djm@openbsd.org | 4739e8d | 2015-05-21 12:01:19 +0000 | [diff] [blame^] | 1 | /* $OpenBSD: ssh-keygen.c,v 1.272 2015/05/21 12:01:19 djm Exp $ */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 2 | /* |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 3 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
| 4 | * Copyright (c) 1994 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| 5 | * All rights reserved |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 6 | * Identity and host key generation and maintenance. |
Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 7 | * |
| 8 | * As far as I am concerned, the code I have written for this software |
| 9 | * can be used freely for any purpose. Any derived versions of this |
| 10 | * software must be clearly marked as such, and if the derived work is |
| 11 | * incompatible with the protocol description in the RFC file, it must be |
| 12 | * called by a name other than "ssh" or "Secure Shell". |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 13 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 14 | |
| 15 | #include "includes.h" |
Damien Miller | f17883e | 2006-03-15 11:45:54 +1100 | [diff] [blame] | 16 | |
| 17 | #include <sys/types.h> |
Damien Miller | e3b60b5 | 2006-07-10 21:08:03 +1000 | [diff] [blame] | 18 | #include <sys/socket.h> |
Damien Miller | f17883e | 2006-03-15 11:45:54 +1100 | [diff] [blame] | 19 | #include <sys/stat.h> |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 20 | |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 21 | #ifdef WITH_OPENSSL |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 22 | #include <openssl/evp.h> |
| 23 | #include <openssl/pem.h> |
Darren Tucker | bfaaf96 | 2008-02-28 19:13:52 +1100 | [diff] [blame] | 24 | #include "openbsd-compat/openssl-compat.h" |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 25 | #endif |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 26 | |
Darren Tucker | 3997249 | 2006-07-12 22:22:46 +1000 | [diff] [blame] | 27 | #include <errno.h> |
Damien Miller | 57cf638 | 2006-07-10 21:13:46 +1000 | [diff] [blame] | 28 | #include <fcntl.h> |
Damien Miller | b8fe89c | 2006-07-24 14:51:00 +1000 | [diff] [blame] | 29 | #include <netdb.h> |
Darren Tucker | 2ee50c5 | 2006-07-11 18:55:05 +1000 | [diff] [blame] | 30 | #ifdef HAVE_PATHS_H |
| 31 | # include <paths.h> |
| 32 | #endif |
Damien Miller | 9f2abc4 | 2006-07-10 20:53:08 +1000 | [diff] [blame] | 33 | #include <pwd.h> |
Damien Miller | ded319c | 2006-09-01 15:38:36 +1000 | [diff] [blame] | 34 | #include <stdarg.h> |
Damien Miller | a7a73ee | 2006-08-05 11:37:59 +1000 | [diff] [blame] | 35 | #include <stdio.h> |
Damien Miller | e7a1e5c | 2006-08-05 11:34:19 +1000 | [diff] [blame] | 36 | #include <stdlib.h> |
Damien Miller | e3476ed | 2006-07-24 14:13:33 +1000 | [diff] [blame] | 37 | #include <string.h> |
Damien Miller | e6b3b61 | 2006-07-24 14:01:23 +1000 | [diff] [blame] | 38 | #include <unistd.h> |
deraadt@openbsd.org | 2ae4f33 | 2015-01-16 06:40:12 +0000 | [diff] [blame] | 39 | #include <limits.h> |
Damien Miller | 9f2abc4 | 2006-07-10 20:53:08 +1000 | [diff] [blame] | 40 | |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 41 | #include "xmalloc.h" |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 42 | #include "sshkey.h" |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 43 | #include "rsa.h" |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 44 | #include "authfile.h" |
| 45 | #include "uuencode.h" |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 46 | #include "sshbuf.h" |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 47 | #include "pathnames.h" |
| 48 | #include "log.h" |
Darren Tucker | e608ca2 | 2004-05-13 16:15:47 +1000 | [diff] [blame] | 49 | #include "misc.h" |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 50 | #include "match.h" |
| 51 | #include "hostfile.h" |
Damien Miller | 6999610 | 2006-07-10 20:53:31 +1000 | [diff] [blame] | 52 | #include "dns.h" |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 53 | #include "ssh.h" |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 54 | #include "ssh2.h" |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 55 | #include "ssherr.h" |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 56 | #include "ssh-pkcs11.h" |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 57 | #include "atomicio.h" |
| 58 | #include "krl.h" |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 59 | #include "digest.h" |
Ben Lindstrom | cd39228 | 2001-07-04 03:44:03 +0000 | [diff] [blame] | 60 | |
Damien Miller | 3f54a9f | 2005-11-05 14:52:18 +1100 | [diff] [blame] | 61 | /* Number of bits in the RSA/DSA key. This value can be set on the command line. */ |
| 62 | #define DEFAULT_BITS 2048 |
| 63 | #define DEFAULT_BITS_DSA 1024 |
Damien Miller | 6e9f680 | 2010-09-10 11:17:38 +1000 | [diff] [blame] | 64 | #define DEFAULT_BITS_ECDSA 256 |
Damien Miller | 3f54a9f | 2005-11-05 14:52:18 +1100 | [diff] [blame] | 65 | u_int32_t bits = 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 66 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 67 | /* |
| 68 | * Flag indicating that we just want to change the passphrase. This can be |
| 69 | * set on the command line. |
| 70 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 71 | int change_passphrase = 0; |
| 72 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 73 | /* |
| 74 | * Flag indicating that we just want to change the comment. This can be set |
| 75 | * on the command line. |
| 76 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 77 | int change_comment = 0; |
| 78 | |
| 79 | int quiet = 0; |
| 80 | |
Darren Tucker | 35c4553 | 2008-06-13 04:43:15 +1000 | [diff] [blame] | 81 | int log_level = SYSLOG_LEVEL_INFO; |
| 82 | |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 83 | /* Flag indicating that we want to hash a known_hosts file */ |
| 84 | int hash_hosts = 0; |
| 85 | /* Flag indicating that we want lookup a host in known_hosts file */ |
| 86 | int find_host = 0; |
| 87 | /* Flag indicating that we want to delete a host from a known_hosts file */ |
| 88 | int delete_host = 0; |
| 89 | |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 90 | /* Flag indicating that we want to show the contents of a certificate */ |
| 91 | int show_cert = 0; |
| 92 | |
Damien Miller | 10f6f6b | 1999-11-17 17:29:08 +1100 | [diff] [blame] | 93 | /* Flag indicating that we just want to see the key fingerprint */ |
| 94 | int print_fingerprint = 0; |
Ben Lindstrom | 8fd372b | 2001-03-12 03:02:17 +0000 | [diff] [blame] | 95 | int print_bubblebabble = 0; |
Damien Miller | 10f6f6b | 1999-11-17 17:29:08 +1100 | [diff] [blame] | 96 | |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 97 | /* Hash algorithm to use for fingerprints. */ |
| 98 | int fingerprint_hash = SSH_FP_HASH_DEFAULT; |
| 99 | |
Damien Miller | 431f66b | 1999-11-21 18:31:57 +1100 | [diff] [blame] | 100 | /* The identity file name, given on the command line or entered by the user. */ |
| 101 | char identity_file[1024]; |
| 102 | int have_identity = 0; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 103 | |
| 104 | /* This is set to the passphrase if given on the command line. */ |
| 105 | char *identity_passphrase = NULL; |
| 106 | |
| 107 | /* This is set to the new passphrase if given on the command line. */ |
| 108 | char *identity_new_passphrase = NULL; |
| 109 | |
| 110 | /* This is set to the new comment if given on the command line. */ |
| 111 | char *identity_comment = NULL; |
| 112 | |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 113 | /* Path to CA key when certifying keys. */ |
| 114 | char *ca_key_path = NULL; |
| 115 | |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 116 | /* Certificate serial number */ |
Damien Miller | 55aca02 | 2012-12-03 11:25:30 +1100 | [diff] [blame] | 117 | unsigned long long cert_serial = 0; |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 118 | |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 119 | /* Key type when certifying */ |
| 120 | u_int cert_key_type = SSH2_CERT_TYPE_USER; |
| 121 | |
| 122 | /* "key ID" of signed key */ |
| 123 | char *cert_key_id = NULL; |
| 124 | |
| 125 | /* Comma-separated list of principal names for certifying keys */ |
| 126 | char *cert_principals = NULL; |
| 127 | |
| 128 | /* Validity period for certificates */ |
| 129 | u_int64_t cert_valid_from = 0; |
| 130 | u_int64_t cert_valid_to = ~0ULL; |
| 131 | |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 132 | /* Certificate options */ |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 133 | #define CERTOPT_X_FWD (1) |
| 134 | #define CERTOPT_AGENT_FWD (1<<1) |
| 135 | #define CERTOPT_PORT_FWD (1<<2) |
| 136 | #define CERTOPT_PTY (1<<3) |
| 137 | #define CERTOPT_USER_RC (1<<4) |
| 138 | #define CERTOPT_DEFAULT (CERTOPT_X_FWD|CERTOPT_AGENT_FWD| \ |
| 139 | CERTOPT_PORT_FWD|CERTOPT_PTY|CERTOPT_USER_RC) |
| 140 | u_int32_t certflags_flags = CERTOPT_DEFAULT; |
| 141 | char *certflags_command = NULL; |
| 142 | char *certflags_src_addr = NULL; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 143 | |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 144 | /* Conversion to/from various formats */ |
| 145 | int convert_to = 0; |
| 146 | int convert_from = 0; |
| 147 | enum { |
| 148 | FMT_RFC4716, |
| 149 | FMT_PKCS8, |
| 150 | FMT_PEM |
| 151 | } convert_format = FMT_RFC4716; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 152 | int print_public = 0; |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 153 | int print_generic = 0; |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 154 | |
Damien Miller | a41c8b1 | 2002-01-22 23:05:08 +1100 | [diff] [blame] | 155 | char *key_type_name = NULL; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 156 | |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 157 | /* Load key from this PKCS#11 provider */ |
| 158 | char *pkcs11provider = NULL; |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 159 | |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 160 | /* Use new OpenSSH private key format when writing SSH2 keys instead of PEM */ |
| 161 | int use_new_format = 0; |
| 162 | |
| 163 | /* Cipher for new-format private keys */ |
| 164 | char *new_format_cipher = NULL; |
| 165 | |
| 166 | /* |
| 167 | * Number of KDF rounds to derive new format keys / |
| 168 | * number of primality trials when screening moduli. |
| 169 | */ |
| 170 | int rounds = 0; |
| 171 | |
Damien Miller | 431f66b | 1999-11-21 18:31:57 +1100 | [diff] [blame] | 172 | /* argv0 */ |
| 173 | extern char *__progname; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 174 | |
Damien Miller | e5c0d52 | 2014-07-03 21:24:19 +1000 | [diff] [blame] | 175 | char hostname[NI_MAXHOST]; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 176 | |
Darren Tucker | 770fc01 | 2004-05-13 16:24:32 +1000 | [diff] [blame] | 177 | /* moduli.c */ |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 178 | int gen_candidates(FILE *, u_int32_t, u_int32_t, BIGNUM *); |
Damien Miller | dfceafe | 2012-07-06 13:44:19 +1000 | [diff] [blame] | 179 | int prime_test(FILE *, FILE *, u_int32_t, u_int32_t, char *, unsigned long, |
| 180 | unsigned long); |
Darren Tucker | 770fc01 | 2004-05-13 16:24:32 +1000 | [diff] [blame] | 181 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 182 | static void |
djm@openbsd.org | 7efb455 | 2015-01-18 13:22:28 +0000 | [diff] [blame] | 183 | type_bits_valid(int type, const char *name, u_int32_t *bitsp) |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 184 | { |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 185 | #ifdef WITH_OPENSSL |
djm@openbsd.org | 734226b | 2015-04-27 01:52:30 +0000 | [diff] [blame] | 186 | u_int maxbits, nid; |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 187 | #endif |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 188 | |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 189 | if (type == KEY_UNSPEC) |
| 190 | fatal("unknown key type %s", key_type_name); |
Damien Miller | 884b63a | 2011-05-05 14:14:52 +1000 | [diff] [blame] | 191 | if (*bitsp == 0) { |
Damien Miller | 773dda2 | 2015-01-30 23:10:17 +1100 | [diff] [blame] | 192 | #ifdef WITH_OPENSSL |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 193 | if (type == KEY_DSA) |
Damien Miller | 884b63a | 2011-05-05 14:14:52 +1000 | [diff] [blame] | 194 | *bitsp = DEFAULT_BITS_DSA; |
djm@openbsd.org | 7efb455 | 2015-01-18 13:22:28 +0000 | [diff] [blame] | 195 | else if (type == KEY_ECDSA) { |
| 196 | if (name != NULL && |
| 197 | (nid = sshkey_ecdsa_nid_from_name(name)) > 0) |
| 198 | *bitsp = sshkey_curve_nid_to_bits(nid); |
| 199 | if (*bitsp == 0) |
| 200 | *bitsp = DEFAULT_BITS_ECDSA; |
Damien Miller | 773dda2 | 2015-01-30 23:10:17 +1100 | [diff] [blame] | 201 | } else |
| 202 | #endif |
Damien Miller | 884b63a | 2011-05-05 14:14:52 +1000 | [diff] [blame] | 203 | *bitsp = DEFAULT_BITS; |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 204 | } |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 205 | #ifdef WITH_OPENSSL |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 206 | maxbits = (type == KEY_DSA) ? |
| 207 | OPENSSL_DSA_MAX_MODULUS_BITS : OPENSSL_RSA_MAX_MODULUS_BITS; |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 208 | if (*bitsp > maxbits) |
| 209 | fatal("key bits exceeds maximum %d", maxbits); |
Damien Miller | 884b63a | 2011-05-05 14:14:52 +1000 | [diff] [blame] | 210 | if (type == KEY_DSA && *bitsp != 1024) |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 211 | fatal("DSA keys must be 1024 bits"); |
Damien Miller | 5be9d9e | 2013-12-07 11:24:01 +1100 | [diff] [blame] | 212 | else if (type != KEY_ECDSA && type != KEY_ED25519 && *bitsp < 768) |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 213 | fatal("Key must at least be 768 bits"); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 214 | else if (type == KEY_ECDSA && sshkey_ecdsa_bits_to_nid(*bitsp) == -1) |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 215 | fatal("Invalid ECDSA key length - valid lengths are " |
| 216 | "256, 384 or 521 bits"); |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 217 | #endif |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | static void |
Damien Miller | 431f66b | 1999-11-21 18:31:57 +1100 | [diff] [blame] | 221 | ask_filename(struct passwd *pw, const char *prompt) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 222 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 223 | char buf[1024]; |
Damien Miller | e39cacc | 2000-11-29 12:18:44 +1100 | [diff] [blame] | 224 | char *name = NULL; |
| 225 | |
Damien Miller | 993dd55 | 2002-02-19 15:22:47 +1100 | [diff] [blame] | 226 | if (key_type_name == NULL) |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 227 | name = _PATH_SSH_CLIENT_ID_RSA; |
Damien Miller | 9096740 | 2006-03-26 14:07:26 +1100 | [diff] [blame] | 228 | else { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 229 | switch (sshkey_type_from_name(key_type_name)) { |
Damien Miller | 993dd55 | 2002-02-19 15:22:47 +1100 | [diff] [blame] | 230 | case KEY_RSA1: |
| 231 | name = _PATH_SSH_CLIENT_IDENTITY; |
| 232 | break; |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 233 | case KEY_DSA_CERT: |
| 234 | case KEY_DSA_CERT_V00: |
Damien Miller | 993dd55 | 2002-02-19 15:22:47 +1100 | [diff] [blame] | 235 | case KEY_DSA: |
| 236 | name = _PATH_SSH_CLIENT_ID_DSA; |
| 237 | break; |
Damien Miller | dd190dd | 2010-11-11 14:17:02 +1100 | [diff] [blame] | 238 | #ifdef OPENSSL_HAS_ECC |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 239 | case KEY_ECDSA_CERT: |
| 240 | case KEY_ECDSA: |
| 241 | name = _PATH_SSH_CLIENT_ID_ECDSA; |
| 242 | break; |
Damien Miller | dd190dd | 2010-11-11 14:17:02 +1100 | [diff] [blame] | 243 | #endif |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 244 | case KEY_RSA_CERT: |
| 245 | case KEY_RSA_CERT_V00: |
Damien Miller | 993dd55 | 2002-02-19 15:22:47 +1100 | [diff] [blame] | 246 | case KEY_RSA: |
| 247 | name = _PATH_SSH_CLIENT_ID_RSA; |
| 248 | break; |
Damien Miller | 5be9d9e | 2013-12-07 11:24:01 +1100 | [diff] [blame] | 249 | case KEY_ED25519: |
| 250 | case KEY_ED25519_CERT: |
| 251 | name = _PATH_SSH_CLIENT_ID_ED25519; |
| 252 | break; |
Damien Miller | 993dd55 | 2002-02-19 15:22:47 +1100 | [diff] [blame] | 253 | default: |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 254 | fatal("bad key type"); |
Damien Miller | 993dd55 | 2002-02-19 15:22:47 +1100 | [diff] [blame] | 255 | } |
Damien Miller | 9096740 | 2006-03-26 14:07:26 +1100 | [diff] [blame] | 256 | } |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 257 | snprintf(identity_file, sizeof(identity_file), |
| 258 | "%s/%s", pw->pw_dir, name); |
| 259 | printf("%s (%s): ", prompt, identity_file); |
| 260 | fflush(stdout); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 261 | if (fgets(buf, sizeof(buf), stdin) == NULL) |
| 262 | exit(1); |
Damien Miller | 14b017d | 2007-09-17 16:09:15 +1000 | [diff] [blame] | 263 | buf[strcspn(buf, "\n")] = '\0'; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 264 | if (strcmp(buf, "") != 0) |
| 265 | strlcpy(identity_file, buf, sizeof(identity_file)); |
| 266 | have_identity = 1; |
Damien Miller | 10f6f6b | 1999-11-17 17:29:08 +1100 | [diff] [blame] | 267 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 268 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 269 | static struct sshkey * |
Ben Lindstrom | d78ae76 | 2001-06-05 20:35:09 +0000 | [diff] [blame] | 270 | load_identity(char *filename) |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 271 | { |
Ben Lindstrom | d0fca42 | 2001-03-26 13:44:06 +0000 | [diff] [blame] | 272 | char *pass; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 273 | struct sshkey *prv; |
| 274 | int r; |
Ben Lindstrom | d0fca42 | 2001-03-26 13:44:06 +0000 | [diff] [blame] | 275 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 276 | if ((r = sshkey_load_private(filename, "", &prv, NULL)) == 0) |
| 277 | return prv; |
| 278 | if (r != SSH_ERR_KEY_WRONG_PASSPHRASE) |
| 279 | fatal("Load key \"%s\": %s", filename, ssh_err(r)); |
| 280 | if (identity_passphrase) |
| 281 | pass = xstrdup(identity_passphrase); |
| 282 | else |
| 283 | pass = read_passphrase("Enter passphrase: ", RP_ALLOW_STDIN); |
| 284 | r = sshkey_load_private(filename, pass, &prv, NULL); |
| 285 | explicit_bzero(pass, strlen(pass)); |
| 286 | free(pass); |
| 287 | if (r != 0) |
| 288 | fatal("Load key \"%s\": %s", filename, ssh_err(r)); |
Ben Lindstrom | d0fca42 | 2001-03-26 13:44:06 +0000 | [diff] [blame] | 289 | return prv; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 290 | } |
| 291 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 292 | #define SSH_COM_PUBLIC_BEGIN "---- BEGIN SSH2 PUBLIC KEY ----" |
Ben Lindstrom | cb72e4f | 2002-06-21 00:41:51 +0000 | [diff] [blame] | 293 | #define SSH_COM_PUBLIC_END "---- END SSH2 PUBLIC KEY ----" |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 294 | #define SSH_COM_PRIVATE_BEGIN "---- BEGIN SSH2 ENCRYPTED PRIVATE KEY ----" |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 295 | #define SSH_COM_PRIVATE_KEY_MAGIC 0x3f6ff9eb |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 296 | |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 297 | #ifdef WITH_OPENSSL |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 298 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 299 | do_convert_to_ssh2(struct passwd *pw, struct sshkey *k) |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 300 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 301 | size_t len; |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 302 | u_char *blob; |
Darren Tucker | d04758d | 2010-01-12 19:41:57 +1100 | [diff] [blame] | 303 | char comment[61]; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 304 | int r; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 305 | |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 306 | if (k->type == KEY_RSA1) |
| 307 | fatal("version 1 keys are not supported"); |
| 308 | if ((r = sshkey_to_blob(k, &blob, &len)) != 0) |
| 309 | fatal("key_to_blob failed: %s", ssh_err(r)); |
Darren Tucker | d04758d | 2010-01-12 19:41:57 +1100 | [diff] [blame] | 310 | /* Comment + surrounds must fit into 72 chars (RFC 4716 sec 3.3) */ |
| 311 | snprintf(comment, sizeof(comment), |
| 312 | "%u-bit %s, converted by %s@%s from OpenSSH", |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 313 | sshkey_size(k), sshkey_type(k), |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 314 | pw->pw_name, hostname); |
Darren Tucker | d04758d | 2010-01-12 19:41:57 +1100 | [diff] [blame] | 315 | |
| 316 | fprintf(stdout, "%s\n", SSH_COM_PUBLIC_BEGIN); |
| 317 | fprintf(stdout, "Comment: \"%s\"\n", comment); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 318 | dump_base64(stdout, blob, len); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 319 | fprintf(stdout, "%s\n", SSH_COM_PUBLIC_END); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 320 | sshkey_free(k); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 321 | free(blob); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 322 | exit(0); |
| 323 | } |
| 324 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 325 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 326 | do_convert_to_pkcs8(struct sshkey *k) |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 327 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 328 | switch (sshkey_type_plain(k->type)) { |
Damien Miller | a563cce | 2012-04-22 11:07:28 +1000 | [diff] [blame] | 329 | case KEY_RSA1: |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 330 | case KEY_RSA: |
| 331 | if (!PEM_write_RSA_PUBKEY(stdout, k->rsa)) |
| 332 | fatal("PEM_write_RSA_PUBKEY failed"); |
| 333 | break; |
| 334 | case KEY_DSA: |
| 335 | if (!PEM_write_DSA_PUBKEY(stdout, k->dsa)) |
| 336 | fatal("PEM_write_DSA_PUBKEY failed"); |
| 337 | break; |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 338 | #ifdef OPENSSL_HAS_ECC |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 339 | case KEY_ECDSA: |
| 340 | if (!PEM_write_EC_PUBKEY(stdout, k->ecdsa)) |
| 341 | fatal("PEM_write_EC_PUBKEY failed"); |
| 342 | break; |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 343 | #endif |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 344 | default: |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 345 | fatal("%s: unsupported key type %s", __func__, sshkey_type(k)); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 346 | } |
| 347 | exit(0); |
| 348 | } |
| 349 | |
| 350 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 351 | do_convert_to_pem(struct sshkey *k) |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 352 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 353 | switch (sshkey_type_plain(k->type)) { |
Damien Miller | a563cce | 2012-04-22 11:07:28 +1000 | [diff] [blame] | 354 | case KEY_RSA1: |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 355 | case KEY_RSA: |
| 356 | if (!PEM_write_RSAPublicKey(stdout, k->rsa)) |
| 357 | fatal("PEM_write_RSAPublicKey failed"); |
| 358 | break; |
| 359 | #if notyet /* OpenSSH 0.9.8 lacks this function */ |
| 360 | case KEY_DSA: |
| 361 | if (!PEM_write_DSAPublicKey(stdout, k->dsa)) |
| 362 | fatal("PEM_write_DSAPublicKey failed"); |
| 363 | break; |
| 364 | #endif |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 365 | /* XXX ECDSA? */ |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 366 | default: |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 367 | fatal("%s: unsupported key type %s", __func__, sshkey_type(k)); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 368 | } |
| 369 | exit(0); |
| 370 | } |
| 371 | |
| 372 | static void |
| 373 | do_convert_to(struct passwd *pw) |
| 374 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 375 | struct sshkey *k; |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 376 | struct stat st; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 377 | int r; |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 378 | |
| 379 | if (!have_identity) |
| 380 | ask_filename(pw, "Enter file in which the key is"); |
| 381 | if (stat(identity_file, &st) < 0) |
| 382 | fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 383 | if ((r = sshkey_load_public(identity_file, &k, NULL)) != 0) |
| 384 | k = load_identity(identity_file); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 385 | switch (convert_format) { |
| 386 | case FMT_RFC4716: |
| 387 | do_convert_to_ssh2(pw, k); |
| 388 | break; |
| 389 | case FMT_PKCS8: |
| 390 | do_convert_to_pkcs8(k); |
| 391 | break; |
| 392 | case FMT_PEM: |
| 393 | do_convert_to_pem(k); |
| 394 | break; |
| 395 | default: |
| 396 | fatal("%s: unknown key format %d", __func__, convert_format); |
| 397 | } |
| 398 | exit(0); |
| 399 | } |
| 400 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 401 | /* |
| 402 | * This is almost exactly the bignum1 encoding, but with 32 bit for length |
| 403 | * instead of 16. |
| 404 | */ |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 405 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 406 | buffer_get_bignum_bits(struct sshbuf *b, BIGNUM *value) |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 407 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 408 | u_int bytes, bignum_bits; |
| 409 | int r; |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 410 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 411 | if ((r = sshbuf_get_u32(b, &bignum_bits)) != 0) |
| 412 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
| 413 | bytes = (bignum_bits + 7) / 8; |
| 414 | if (sshbuf_len(b) < bytes) |
| 415 | fatal("%s: input buffer too small: need %d have %zu", |
| 416 | __func__, bytes, sshbuf_len(b)); |
| 417 | if (BN_bin2bn(sshbuf_ptr(b), bytes, value) == NULL) |
| 418 | fatal("%s: BN_bin2bn failed", __func__); |
| 419 | if ((r = sshbuf_consume(b, bytes)) != 0) |
| 420 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 421 | } |
| 422 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 423 | static struct sshkey * |
Ben Lindstrom | 90fd814 | 2002-02-26 18:09:42 +0000 | [diff] [blame] | 424 | do_convert_private_ssh2_from_blob(u_char *blob, u_int blen) |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 425 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 426 | struct sshbuf *b; |
| 427 | struct sshkey *key = NULL; |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 428 | char *type, *cipher; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 429 | u_char e1, e2, e3, *sig = NULL, data[] = "abcde12345"; |
| 430 | int r, rlen, ktype; |
| 431 | u_int magic, i1, i2, i3, i4; |
| 432 | size_t slen; |
Ben Lindstrom | e586c4c | 2001-06-25 05:04:58 +0000 | [diff] [blame] | 433 | u_long e; |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 434 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 435 | if ((b = sshbuf_from(blob, blen)) == NULL) |
| 436 | fatal("%s: sshbuf_from failed", __func__); |
| 437 | if ((r = sshbuf_get_u32(b, &magic)) != 0) |
| 438 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 439 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 440 | if (magic != SSH_COM_PRIVATE_KEY_MAGIC) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 441 | error("bad magic 0x%x != 0x%x", magic, |
| 442 | SSH_COM_PRIVATE_KEY_MAGIC); |
| 443 | sshbuf_free(b); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 444 | return NULL; |
| 445 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 446 | if ((r = sshbuf_get_u32(b, &i1)) != 0 || |
| 447 | (r = sshbuf_get_cstring(b, &type, NULL)) != 0 || |
| 448 | (r = sshbuf_get_cstring(b, &cipher, NULL)) != 0 || |
| 449 | (r = sshbuf_get_u32(b, &i2)) != 0 || |
| 450 | (r = sshbuf_get_u32(b, &i3)) != 0 || |
| 451 | (r = sshbuf_get_u32(b, &i4)) != 0) |
| 452 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
Damien Miller | 8016390 | 2007-01-05 16:30:16 +1100 | [diff] [blame] | 453 | debug("ignore (%d %d %d %d)", i1, i2, i3, i4); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 454 | if (strcmp(cipher, "none") != 0) { |
| 455 | error("unsupported cipher %s", cipher); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 456 | free(cipher); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 457 | sshbuf_free(b); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 458 | free(type); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 459 | return NULL; |
| 460 | } |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 461 | free(cipher); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 462 | |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 463 | if (strstr(type, "dsa")) { |
| 464 | ktype = KEY_DSA; |
| 465 | } else if (strstr(type, "rsa")) { |
| 466 | ktype = KEY_RSA; |
| 467 | } else { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 468 | sshbuf_free(b); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 469 | free(type); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 470 | return NULL; |
| 471 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 472 | if ((key = sshkey_new_private(ktype)) == NULL) |
| 473 | fatal("key_new_private failed"); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 474 | free(type); |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 475 | |
| 476 | switch (key->type) { |
| 477 | case KEY_DSA: |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 478 | buffer_get_bignum_bits(b, key->dsa->p); |
| 479 | buffer_get_bignum_bits(b, key->dsa->g); |
| 480 | buffer_get_bignum_bits(b, key->dsa->q); |
| 481 | buffer_get_bignum_bits(b, key->dsa->pub_key); |
| 482 | buffer_get_bignum_bits(b, key->dsa->priv_key); |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 483 | break; |
| 484 | case KEY_RSA: |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 485 | if ((r = sshbuf_get_u8(b, &e1)) != 0 || |
| 486 | (e1 < 30 && (r = sshbuf_get_u8(b, &e2)) != 0) || |
| 487 | (e1 < 30 && (r = sshbuf_get_u8(b, &e3)) != 0)) |
| 488 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
| 489 | e = e1; |
Ben Lindstrom | 34f9188 | 2001-06-25 04:47:54 +0000 | [diff] [blame] | 490 | debug("e %lx", e); |
| 491 | if (e < 30) { |
| 492 | e <<= 8; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 493 | e += e2; |
Ben Lindstrom | 34f9188 | 2001-06-25 04:47:54 +0000 | [diff] [blame] | 494 | debug("e %lx", e); |
| 495 | e <<= 8; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 496 | e += e3; |
Ben Lindstrom | 34f9188 | 2001-06-25 04:47:54 +0000 | [diff] [blame] | 497 | debug("e %lx", e); |
| 498 | } |
| 499 | if (!BN_set_word(key->rsa->e, e)) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 500 | sshbuf_free(b); |
| 501 | sshkey_free(key); |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 502 | return NULL; |
| 503 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 504 | buffer_get_bignum_bits(b, key->rsa->d); |
| 505 | buffer_get_bignum_bits(b, key->rsa->n); |
| 506 | buffer_get_bignum_bits(b, key->rsa->iqmp); |
| 507 | buffer_get_bignum_bits(b, key->rsa->q); |
| 508 | buffer_get_bignum_bits(b, key->rsa->p); |
| 509 | if ((r = rsa_generate_additional_parameters(key->rsa)) != 0) |
| 510 | fatal("generate RSA parameters failed: %s", ssh_err(r)); |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 511 | break; |
| 512 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 513 | rlen = sshbuf_len(b); |
Ben Lindstrom | 1c37c6a | 2001-12-06 18:00:18 +0000 | [diff] [blame] | 514 | if (rlen != 0) |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 515 | error("do_convert_private_ssh2_from_blob: " |
| 516 | "remaining bytes in key blob %d", rlen); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 517 | sshbuf_free(b); |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 518 | |
Ben Lindstrom | e586c4c | 2001-06-25 05:04:58 +0000 | [diff] [blame] | 519 | /* try the key */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 520 | if (sshkey_sign(key, &sig, &slen, data, sizeof(data), 0) != 0 || |
| 521 | sshkey_verify(key, sig, slen, data, sizeof(data), 0) != 0) { |
| 522 | sshkey_free(key); |
| 523 | free(sig); |
| 524 | return NULL; |
| 525 | } |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 526 | free(sig); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 527 | return key; |
| 528 | } |
| 529 | |
Damien Miller | 8056a9d | 2006-03-15 12:05:40 +1100 | [diff] [blame] | 530 | static int |
| 531 | get_line(FILE *fp, char *line, size_t len) |
| 532 | { |
| 533 | int c; |
| 534 | size_t pos = 0; |
| 535 | |
| 536 | line[0] = '\0'; |
| 537 | while ((c = fgetc(fp)) != EOF) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 538 | if (pos >= len - 1) |
| 539 | fatal("input line too long."); |
Damien Miller | 9096740 | 2006-03-26 14:07:26 +1100 | [diff] [blame] | 540 | switch (c) { |
Damien Miller | 8056a9d | 2006-03-15 12:05:40 +1100 | [diff] [blame] | 541 | case '\r': |
| 542 | c = fgetc(fp); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 543 | if (c != EOF && c != '\n' && ungetc(c, fp) == EOF) |
| 544 | fatal("unget: %s", strerror(errno)); |
Damien Miller | 8056a9d | 2006-03-15 12:05:40 +1100 | [diff] [blame] | 545 | return pos; |
| 546 | case '\n': |
| 547 | return pos; |
| 548 | } |
| 549 | line[pos++] = c; |
| 550 | line[pos] = '\0'; |
| 551 | } |
Damien Miller | 6c7439f | 2007-01-05 16:29:55 +1100 | [diff] [blame] | 552 | /* We reached EOF */ |
| 553 | return -1; |
Damien Miller | 8056a9d | 2006-03-15 12:05:40 +1100 | [diff] [blame] | 554 | } |
| 555 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 556 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 557 | do_convert_from_ssh2(struct passwd *pw, struct sshkey **k, int *private) |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 558 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 559 | int r, blen, escaped = 0; |
Ben Lindstrom | 155b981 | 2002-04-02 20:26:26 +0000 | [diff] [blame] | 560 | u_int len; |
Damien Miller | 8056a9d | 2006-03-15 12:05:40 +1100 | [diff] [blame] | 561 | char line[1024]; |
Ben Lindstrom | 9e0ddd4 | 2001-09-18 05:41:19 +0000 | [diff] [blame] | 562 | u_char blob[8096]; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 563 | char encoded[8096]; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 564 | FILE *fp; |
| 565 | |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 566 | if ((fp = fopen(identity_file, "r")) == NULL) |
| 567 | fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 568 | encoded[0] = '\0'; |
Damien Miller | 8056a9d | 2006-03-15 12:05:40 +1100 | [diff] [blame] | 569 | while ((blen = get_line(fp, line, sizeof(line))) != -1) { |
Damien Miller | 746d1a6 | 2013-07-18 16:13:02 +1000 | [diff] [blame] | 570 | if (blen > 0 && line[blen - 1] == '\\') |
Damien Miller | 30c3d42 | 2000-05-09 11:02:59 +1000 | [diff] [blame] | 571 | escaped++; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 572 | if (strncmp(line, "----", 4) == 0 || |
| 573 | strstr(line, ": ") != NULL) { |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 574 | if (strstr(line, SSH_COM_PRIVATE_BEGIN) != NULL) |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 575 | *private = 1; |
Ben Lindstrom | e586c4c | 2001-06-25 05:04:58 +0000 | [diff] [blame] | 576 | if (strstr(line, " END ") != NULL) { |
| 577 | break; |
| 578 | } |
Ben Lindstrom | 3035860 | 2001-04-24 16:59:28 +0000 | [diff] [blame] | 579 | /* fprintf(stderr, "ignore: %s", line); */ |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 580 | continue; |
| 581 | } |
Damien Miller | 30c3d42 | 2000-05-09 11:02:59 +1000 | [diff] [blame] | 582 | if (escaped) { |
| 583 | escaped--; |
Ben Lindstrom | 3035860 | 2001-04-24 16:59:28 +0000 | [diff] [blame] | 584 | /* fprintf(stderr, "escaped: %s", line); */ |
Damien Miller | 30c3d42 | 2000-05-09 11:02:59 +1000 | [diff] [blame] | 585 | continue; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 586 | } |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 587 | strlcat(encoded, line, sizeof(encoded)); |
| 588 | } |
Ben Lindstrom | 155b981 | 2002-04-02 20:26:26 +0000 | [diff] [blame] | 589 | len = strlen(encoded); |
| 590 | if (((len % 4) == 3) && |
| 591 | (encoded[len-1] == '=') && |
| 592 | (encoded[len-2] == '=') && |
| 593 | (encoded[len-3] == '=')) |
| 594 | encoded[len-3] = '\0'; |
Damien Miller | 4a8ed54 | 2002-01-22 23:33:31 +1100 | [diff] [blame] | 595 | blen = uudecode(encoded, blob, sizeof(blob)); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 596 | if (blen < 0) |
| 597 | fatal("uudecode failed."); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 598 | if (*private) |
| 599 | *k = do_convert_private_ssh2_from_blob(blob, blen); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 600 | else if ((r = sshkey_from_blob(blob, blen, k)) != 0) |
| 601 | fatal("decode blob failed: %s", ssh_err(r)); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 602 | fclose(fp); |
| 603 | } |
| 604 | |
| 605 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 606 | do_convert_from_pkcs8(struct sshkey **k, int *private) |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 607 | { |
| 608 | EVP_PKEY *pubkey; |
| 609 | FILE *fp; |
| 610 | |
| 611 | if ((fp = fopen(identity_file, "r")) == NULL) |
| 612 | fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
| 613 | if ((pubkey = PEM_read_PUBKEY(fp, NULL, NULL, NULL)) == NULL) { |
| 614 | fatal("%s: %s is not a recognised public key format", __func__, |
| 615 | identity_file); |
| 616 | } |
| 617 | fclose(fp); |
| 618 | switch (EVP_PKEY_type(pubkey->type)) { |
| 619 | case EVP_PKEY_RSA: |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 620 | if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
| 621 | fatal("sshkey_new failed"); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 622 | (*k)->type = KEY_RSA; |
| 623 | (*k)->rsa = EVP_PKEY_get1_RSA(pubkey); |
| 624 | break; |
| 625 | case EVP_PKEY_DSA: |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 626 | if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
| 627 | fatal("sshkey_new failed"); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 628 | (*k)->type = KEY_DSA; |
| 629 | (*k)->dsa = EVP_PKEY_get1_DSA(pubkey); |
| 630 | break; |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 631 | #ifdef OPENSSL_HAS_ECC |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 632 | case EVP_PKEY_EC: |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 633 | if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
| 634 | fatal("sshkey_new failed"); |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 635 | (*k)->type = KEY_ECDSA; |
| 636 | (*k)->ecdsa = EVP_PKEY_get1_EC_KEY(pubkey); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 637 | (*k)->ecdsa_nid = sshkey_ecdsa_key_to_nid((*k)->ecdsa); |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 638 | break; |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 639 | #endif |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 640 | default: |
| 641 | fatal("%s: unsupported pubkey type %d", __func__, |
| 642 | EVP_PKEY_type(pubkey->type)); |
| 643 | } |
| 644 | EVP_PKEY_free(pubkey); |
| 645 | return; |
| 646 | } |
| 647 | |
| 648 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 649 | do_convert_from_pem(struct sshkey **k, int *private) |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 650 | { |
| 651 | FILE *fp; |
| 652 | RSA *rsa; |
| 653 | #ifdef notyet |
| 654 | DSA *dsa; |
| 655 | #endif |
| 656 | |
| 657 | if ((fp = fopen(identity_file, "r")) == NULL) |
| 658 | fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
| 659 | if ((rsa = PEM_read_RSAPublicKey(fp, NULL, NULL, NULL)) != NULL) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 660 | if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
| 661 | fatal("sshkey_new failed"); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 662 | (*k)->type = KEY_RSA; |
| 663 | (*k)->rsa = rsa; |
| 664 | fclose(fp); |
| 665 | return; |
| 666 | } |
| 667 | #if notyet /* OpenSSH 0.9.8 lacks this function */ |
| 668 | rewind(fp); |
| 669 | if ((dsa = PEM_read_DSAPublicKey(fp, NULL, NULL, NULL)) != NULL) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 670 | if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
| 671 | fatal("sshkey_new failed"); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 672 | (*k)->type = KEY_DSA; |
| 673 | (*k)->dsa = dsa; |
| 674 | fclose(fp); |
| 675 | return; |
| 676 | } |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 677 | /* XXX ECDSA */ |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 678 | #endif |
| 679 | fatal("%s: unrecognised raw private key format", __func__); |
| 680 | } |
| 681 | |
| 682 | static void |
| 683 | do_convert_from(struct passwd *pw) |
| 684 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 685 | struct sshkey *k = NULL; |
| 686 | int r, private = 0, ok = 0; |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 687 | struct stat st; |
| 688 | |
| 689 | if (!have_identity) |
| 690 | ask_filename(pw, "Enter file in which the key is"); |
| 691 | if (stat(identity_file, &st) < 0) |
| 692 | fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
| 693 | |
| 694 | switch (convert_format) { |
| 695 | case FMT_RFC4716: |
| 696 | do_convert_from_ssh2(pw, &k, &private); |
| 697 | break; |
| 698 | case FMT_PKCS8: |
| 699 | do_convert_from_pkcs8(&k, &private); |
| 700 | break; |
| 701 | case FMT_PEM: |
| 702 | do_convert_from_pem(&k, &private); |
| 703 | break; |
| 704 | default: |
| 705 | fatal("%s: unknown key format %d", __func__, convert_format); |
| 706 | } |
| 707 | |
djm@openbsd.org | 7a2c368 | 2015-01-30 00:59:19 +0000 | [diff] [blame] | 708 | if (!private) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 709 | if ((r = sshkey_write(k, stdout)) == 0) |
| 710 | ok = 1; |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 711 | if (ok) |
| 712 | fprintf(stdout, "\n"); |
djm@openbsd.org | 7a2c368 | 2015-01-30 00:59:19 +0000 | [diff] [blame] | 713 | } else { |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 714 | switch (k->type) { |
| 715 | case KEY_DSA: |
| 716 | ok = PEM_write_DSAPrivateKey(stdout, k->dsa, NULL, |
| 717 | NULL, 0, NULL, NULL); |
| 718 | break; |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 719 | #ifdef OPENSSL_HAS_ECC |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 720 | case KEY_ECDSA: |
| 721 | ok = PEM_write_ECPrivateKey(stdout, k->ecdsa, NULL, |
| 722 | NULL, 0, NULL, NULL); |
| 723 | break; |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 724 | #endif |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 725 | case KEY_RSA: |
| 726 | ok = PEM_write_RSAPrivateKey(stdout, k->rsa, NULL, |
| 727 | NULL, 0, NULL, NULL); |
| 728 | break; |
| 729 | default: |
| 730 | fatal("%s: unsupported key type %s", __func__, |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 731 | sshkey_type(k)); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 732 | } |
| 733 | } |
| 734 | |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 735 | if (!ok) |
| 736 | fatal("key write failed"); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 737 | sshkey_free(k); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 738 | exit(0); |
| 739 | } |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 740 | #endif |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 741 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 742 | static void |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 743 | do_print_public(struct passwd *pw) |
| 744 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 745 | struct sshkey *prv; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 746 | struct stat st; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 747 | int r; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 748 | |
| 749 | if (!have_identity) |
| 750 | ask_filename(pw, "Enter file in which the key is"); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 751 | if (stat(identity_file, &st) < 0) |
| 752 | fatal("%s: %s", identity_file, strerror(errno)); |
Ben Lindstrom | d78ae76 | 2001-06-05 20:35:09 +0000 | [diff] [blame] | 753 | prv = load_identity(identity_file); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 754 | if ((r = sshkey_write(prv, stdout)) != 0) |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 755 | error("key_write failed: %s", ssh_err(r)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 756 | sshkey_free(prv); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 757 | fprintf(stdout, "\n"); |
| 758 | exit(0); |
| 759 | } |
| 760 | |
Ben Lindstrom | cd39228 | 2001-07-04 03:44:03 +0000 | [diff] [blame] | 761 | static void |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 762 | do_download(struct passwd *pw) |
Ben Lindstrom | cd39228 | 2001-07-04 03:44:03 +0000 | [diff] [blame] | 763 | { |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 764 | #ifdef ENABLE_PKCS11 |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 765 | struct sshkey **keys = NULL; |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 766 | int i, nkeys; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 767 | enum sshkey_fp_rep rep; |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 768 | int fptype; |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 769 | char *fp, *ra; |
Ben Lindstrom | 8282d6a | 2001-08-06 21:44:05 +0000 | [diff] [blame] | 770 | |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 771 | fptype = print_bubblebabble ? SSH_DIGEST_SHA1 : fingerprint_hash; |
| 772 | rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_DEFAULT; |
Damien Miller | 1422c08 | 2013-01-09 16:44:54 +1100 | [diff] [blame] | 773 | |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 774 | pkcs11_init(0); |
| 775 | nkeys = pkcs11_add_provider(pkcs11provider, NULL, &keys); |
| 776 | if (nkeys <= 0) |
| 777 | fatal("cannot read public key from pkcs11"); |
| 778 | for (i = 0; i < nkeys; i++) { |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 779 | if (print_fingerprint) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 780 | fp = sshkey_fingerprint(keys[i], fptype, rep); |
| 781 | ra = sshkey_fingerprint(keys[i], fingerprint_hash, |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 782 | SSH_FP_RANDOMART); |
djm@openbsd.org | 9ce86c9 | 2015-01-28 22:36:00 +0000 | [diff] [blame] | 783 | if (fp == NULL || ra == NULL) |
| 784 | fatal("%s: sshkey_fingerprint fail", __func__); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 785 | printf("%u %s %s (PKCS11 key)\n", sshkey_size(keys[i]), |
| 786 | fp, sshkey_type(keys[i])); |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 787 | if (log_level >= SYSLOG_LEVEL_VERBOSE) |
| 788 | printf("%s\n", ra); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 789 | free(ra); |
| 790 | free(fp); |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 791 | } else { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 792 | (void) sshkey_write(keys[i], stdout); /* XXX check */ |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 793 | fprintf(stdout, "\n"); |
| 794 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 795 | sshkey_free(keys[i]); |
Ben Lindstrom | 0936a5b | 2002-03-26 03:17:42 +0000 | [diff] [blame] | 796 | } |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 797 | free(keys); |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 798 | pkcs11_terminate(); |
Ben Lindstrom | 8282d6a | 2001-08-06 21:44:05 +0000 | [diff] [blame] | 799 | exit(0); |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 800 | #else |
| 801 | fatal("no pkcs11 support"); |
| 802 | #endif /* ENABLE_PKCS11 */ |
Ben Lindstrom | 8282d6a | 2001-08-06 21:44:05 +0000 | [diff] [blame] | 803 | } |
Ben Lindstrom | cd39228 | 2001-07-04 03:44:03 +0000 | [diff] [blame] | 804 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 805 | static void |
Damien Miller | 10f6f6b | 1999-11-17 17:29:08 +1100 | [diff] [blame] | 806 | do_fingerprint(struct passwd *pw) |
| 807 | { |
Damien Miller | 98c7ad6 | 2000-03-09 21:27:49 +1100 | [diff] [blame] | 808 | FILE *f; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 809 | struct sshkey *public; |
Darren Tucker | 9c16ac9 | 2008-06-13 04:40:35 +1000 | [diff] [blame] | 810 | char *comment = NULL, *cp, *ep, line[16*1024], *fp, *ra; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 811 | int r, i, skip = 0, num = 0, invalid = 1; |
| 812 | enum sshkey_fp_rep rep; |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 813 | int fptype; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 814 | struct stat st; |
Damien Miller | 10f6f6b | 1999-11-17 17:29:08 +1100 | [diff] [blame] | 815 | |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 816 | fptype = print_bubblebabble ? SSH_DIGEST_SHA1 : fingerprint_hash; |
| 817 | rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_DEFAULT; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 818 | if (!have_identity) |
| 819 | ask_filename(pw, "Enter file in which the key is"); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 820 | if (stat(identity_file, &st) < 0) |
| 821 | fatal("%s: %s", identity_file, strerror(errno)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 822 | if ((r = sshkey_load_public(identity_file, &public, &comment)) != 0) |
djm@openbsd.org | 2285c30 | 2015-02-23 22:21:21 +0000 | [diff] [blame] | 823 | debug2("Error loading public key \"%s\": %s", |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 824 | identity_file, ssh_err(r)); |
| 825 | else { |
| 826 | fp = sshkey_fingerprint(public, fptype, rep); |
| 827 | ra = sshkey_fingerprint(public, fingerprint_hash, |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 828 | SSH_FP_RANDOMART); |
djm@openbsd.org | 9ce86c9 | 2015-01-28 22:36:00 +0000 | [diff] [blame] | 829 | if (fp == NULL || ra == NULL) |
| 830 | fatal("%s: sshkey_fingerprint fail", __func__); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 831 | printf("%u %s %s (%s)\n", sshkey_size(public), fp, comment, |
| 832 | sshkey_type(public)); |
Darren Tucker | 35c4553 | 2008-06-13 04:43:15 +1000 | [diff] [blame] | 833 | if (log_level >= SYSLOG_LEVEL_VERBOSE) |
| 834 | printf("%s\n", ra); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 835 | sshkey_free(public); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 836 | free(comment); |
| 837 | free(ra); |
| 838 | free(fp); |
Damien Miller | 98c7ad6 | 2000-03-09 21:27:49 +1100 | [diff] [blame] | 839 | exit(0); |
| 840 | } |
Damien Miller | 40b5985 | 2006-06-13 13:00:25 +1000 | [diff] [blame] | 841 | if (comment) { |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 842 | free(comment); |
Damien Miller | 40b5985 | 2006-06-13 13:00:25 +1000 | [diff] [blame] | 843 | comment = NULL; |
| 844 | } |
Damien Miller | 98c7ad6 | 2000-03-09 21:27:49 +1100 | [diff] [blame] | 845 | |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 846 | if ((f = fopen(identity_file, "r")) == NULL) |
| 847 | fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
Damien Miller | 98c7ad6 | 2000-03-09 21:27:49 +1100 | [diff] [blame] | 848 | |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 849 | while (fgets(line, sizeof(line), f)) { |
| 850 | if ((cp = strchr(line, '\n')) == NULL) { |
| 851 | error("line %d too long: %.40s...", |
| 852 | num + 1, line); |
| 853 | skip = 1; |
| 854 | continue; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 855 | } |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 856 | num++; |
| 857 | if (skip) { |
| 858 | skip = 0; |
| 859 | continue; |
| 860 | } |
| 861 | *cp = '\0'; |
| 862 | |
| 863 | /* Skip leading whitespace, empty and comment lines. */ |
| 864 | for (cp = line; *cp == ' ' || *cp == '\t'; cp++) |
| 865 | ; |
| 866 | if (!*cp || *cp == '\n' || *cp == '#') |
| 867 | continue; |
| 868 | i = strtol(cp, &ep, 10); |
| 869 | if (i == 0 || ep == NULL || (*ep != ' ' && *ep != '\t')) { |
| 870 | int quoted = 0; |
| 871 | comment = cp; |
| 872 | for (; *cp && (quoted || (*cp != ' ' && |
| 873 | *cp != '\t')); cp++) { |
| 874 | if (*cp == '\\' && cp[1] == '"') |
| 875 | cp++; /* Skip both */ |
| 876 | else if (*cp == '"') |
| 877 | quoted = !quoted; |
| 878 | } |
| 879 | if (!*cp) |
| 880 | continue; |
| 881 | *cp++ = '\0'; |
| 882 | } |
| 883 | ep = cp; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 884 | if ((public = sshkey_new(KEY_RSA1)) == NULL) |
| 885 | fatal("sshkey_new failed"); |
| 886 | if ((r = sshkey_read(public, &cp)) != 0) { |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 887 | cp = ep; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 888 | sshkey_free(public); |
| 889 | if ((public = sshkey_new(KEY_UNSPEC)) == NULL) |
| 890 | fatal("sshkey_new failed"); |
| 891 | if ((r = sshkey_read(public, &cp)) != 0) { |
| 892 | sshkey_free(public); |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 893 | continue; |
| 894 | } |
| 895 | } |
| 896 | comment = *cp ? cp : comment; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 897 | fp = sshkey_fingerprint(public, fptype, rep); |
| 898 | ra = sshkey_fingerprint(public, fingerprint_hash, |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 899 | SSH_FP_RANDOMART); |
djm@openbsd.org | 9ce86c9 | 2015-01-28 22:36:00 +0000 | [diff] [blame] | 900 | if (fp == NULL || ra == NULL) |
| 901 | fatal("%s: sshkey_fingerprint fail", __func__); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 902 | printf("%u %s %s (%s)\n", sshkey_size(public), fp, |
| 903 | comment ? comment : "no comment", sshkey_type(public)); |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 904 | if (log_level >= SYSLOG_LEVEL_VERBOSE) |
| 905 | printf("%s\n", ra); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 906 | free(ra); |
| 907 | free(fp); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 908 | sshkey_free(public); |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 909 | invalid = 0; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 910 | } |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 911 | fclose(f); |
| 912 | |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 913 | if (invalid) |
| 914 | fatal("%s is not a public key file.", identity_file); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 915 | exit(0); |
Damien Miller | 10f6f6b | 1999-11-17 17:29:08 +1100 | [diff] [blame] | 916 | } |
| 917 | |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 918 | static void |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 919 | do_gen_all_hostkeys(struct passwd *pw) |
| 920 | { |
| 921 | struct { |
| 922 | char *key_type; |
| 923 | char *key_type_display; |
| 924 | char *path; |
| 925 | } key_types[] = { |
djm@openbsd.org | 5c27e3b | 2015-03-23 06:06:38 +0000 | [diff] [blame] | 926 | #ifdef WITH_OPENSSL |
| 927 | #ifdef WITH_SSH1 |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 928 | { "rsa1", "RSA1", _PATH_HOST_KEY_FILE }, |
djm@openbsd.org | 5c27e3b | 2015-03-23 06:06:38 +0000 | [diff] [blame] | 929 | #endif /* WITH_SSH1 */ |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 930 | { "rsa", "RSA" ,_PATH_HOST_RSA_KEY_FILE }, |
| 931 | { "dsa", "DSA", _PATH_HOST_DSA_KEY_FILE }, |
Damien Miller | b56e493 | 2012-02-06 07:41:27 +1100 | [diff] [blame] | 932 | #ifdef OPENSSL_HAS_ECC |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 933 | { "ecdsa", "ECDSA",_PATH_HOST_ECDSA_KEY_FILE }, |
djm@openbsd.org | 5c27e3b | 2015-03-23 06:06:38 +0000 | [diff] [blame] | 934 | #endif /* OPENSSL_HAS_ECC */ |
| 935 | #endif /* WITH_OPENSSL */ |
Damien Miller | 5be9d9e | 2013-12-07 11:24:01 +1100 | [diff] [blame] | 936 | { "ed25519", "ED25519",_PATH_HOST_ED25519_KEY_FILE }, |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 937 | { NULL, NULL, NULL } |
| 938 | }; |
| 939 | |
| 940 | int first = 0; |
| 941 | struct stat st; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 942 | struct sshkey *private, *public; |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 943 | char comment[1024]; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 944 | int i, type, fd, r; |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 945 | FILE *f; |
| 946 | |
| 947 | for (i = 0; key_types[i].key_type; i++) { |
| 948 | if (stat(key_types[i].path, &st) == 0) |
| 949 | continue; |
| 950 | if (errno != ENOENT) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 951 | error("Could not stat %s: %s", key_types[i].path, |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 952 | strerror(errno)); |
| 953 | first = 0; |
| 954 | continue; |
| 955 | } |
| 956 | |
| 957 | if (first == 0) { |
| 958 | first = 1; |
| 959 | printf("%s: generating new host keys: ", __progname); |
| 960 | } |
| 961 | printf("%s ", key_types[i].key_type_display); |
| 962 | fflush(stdout); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 963 | type = sshkey_type_from_name(key_types[i].key_type); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 964 | strlcpy(identity_file, key_types[i].path, sizeof(identity_file)); |
| 965 | bits = 0; |
djm@openbsd.org | 7efb455 | 2015-01-18 13:22:28 +0000 | [diff] [blame] | 966 | type_bits_valid(type, NULL, &bits); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 967 | if ((r = sshkey_generate(type, bits, &private)) != 0) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 968 | error("key_generate failed: %s", ssh_err(r)); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 969 | first = 0; |
| 970 | continue; |
| 971 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 972 | if ((r = sshkey_from_private(private, &public)) != 0) |
| 973 | fatal("sshkey_from_private failed: %s", ssh_err(r)); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 974 | snprintf(comment, sizeof comment, "%s@%s", pw->pw_name, |
| 975 | hostname); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 976 | if ((r = sshkey_save_private(private, identity_file, "", |
| 977 | comment, use_new_format, new_format_cipher, rounds)) != 0) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 978 | error("Saving key \"%s\" failed: %s", |
| 979 | identity_file, ssh_err(r)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 980 | sshkey_free(private); |
| 981 | sshkey_free(public); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 982 | first = 0; |
| 983 | continue; |
| 984 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 985 | sshkey_free(private); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 986 | strlcat(identity_file, ".pub", sizeof(identity_file)); |
| 987 | fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
| 988 | if (fd == -1) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 989 | error("Could not save your public key in %s", |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 990 | identity_file); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 991 | sshkey_free(public); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 992 | first = 0; |
| 993 | continue; |
| 994 | } |
| 995 | f = fdopen(fd, "w"); |
| 996 | if (f == NULL) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 997 | error("fdopen %s failed", identity_file); |
doug@openbsd.org | 7df8818 | 2014-08-21 01:08:52 +0000 | [diff] [blame] | 998 | close(fd); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 999 | sshkey_free(public); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 1000 | first = 0; |
| 1001 | continue; |
| 1002 | } |
djm@openbsd.org | bb8b442 | 2015-01-16 15:55:07 +0000 | [diff] [blame] | 1003 | if ((r = sshkey_write(public, f)) != 0) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1004 | error("write key failed: %s", ssh_err(r)); |
doug@openbsd.org | 7df8818 | 2014-08-21 01:08:52 +0000 | [diff] [blame] | 1005 | fclose(f); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1006 | sshkey_free(public); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 1007 | first = 0; |
| 1008 | continue; |
| 1009 | } |
| 1010 | fprintf(f, " %s\n", comment); |
| 1011 | fclose(f); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1012 | sshkey_free(public); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 1013 | |
| 1014 | } |
| 1015 | if (first != 0) |
| 1016 | printf("\n"); |
| 1017 | } |
| 1018 | |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1019 | struct known_hosts_ctx { |
djm@openbsd.org | 2b3c3c7 | 2015-01-18 21:51:19 +0000 | [diff] [blame] | 1020 | const char *host; /* Hostname searched for in find/delete case */ |
| 1021 | FILE *out; /* Output file, stdout for find_hosts case */ |
| 1022 | int has_unhashed; /* When hashing, original had unhashed hosts */ |
| 1023 | int found_key; /* For find/delete, host was found */ |
| 1024 | int invalid; /* File contained invalid items; don't delete */ |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1025 | }; |
| 1026 | |
| 1027 | static int |
| 1028 | known_hosts_hash(struct hostkey_foreach_line *l, void *_ctx) |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1029 | { |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1030 | struct known_hosts_ctx *ctx = (struct known_hosts_ctx *)_ctx; |
| 1031 | char *hashed, *cp, *hosts, *ohosts; |
| 1032 | int has_wild = l->hosts && strcspn(l->hosts, "*?!") != strlen(l->hosts); |
Darren Tucker | 0f7e910 | 2008-06-08 12:54:29 +1000 | [diff] [blame] | 1033 | |
djm@openbsd.org | 6c5c949 | 2015-02-16 22:08:57 +0000 | [diff] [blame] | 1034 | switch (l->status) { |
| 1035 | case HKF_STATUS_OK: |
| 1036 | case HKF_STATUS_MATCHED: |
| 1037 | /* |
| 1038 | * Don't hash hosts already already hashed, with wildcard |
| 1039 | * characters or a CA/revocation marker. |
| 1040 | */ |
| 1041 | if ((l->match & HKF_MATCH_HOST_HASHED) != 0 || |
| 1042 | has_wild || l->marker != MRK_NONE) { |
| 1043 | fprintf(ctx->out, "%s\n", l->line); |
| 1044 | if (has_wild && !find_host) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1045 | logit("%s:%ld: ignoring host name " |
| 1046 | "with wildcard: %.64s", l->path, |
djm@openbsd.org | 6c5c949 | 2015-02-16 22:08:57 +0000 | [diff] [blame] | 1047 | l->linenum, l->hosts); |
| 1048 | } |
| 1049 | return 0; |
| 1050 | } |
| 1051 | /* |
| 1052 | * Split any comma-separated hostnames from the host list, |
| 1053 | * hash and store separately. |
| 1054 | */ |
| 1055 | ohosts = hosts = xstrdup(l->hosts); |
| 1056 | while ((cp = strsep(&hosts, ",")) != NULL && *cp != '\0') { |
| 1057 | if ((hashed = host_hash(cp, NULL, 0)) == NULL) |
| 1058 | fatal("hash_host failed"); |
| 1059 | fprintf(ctx->out, "%s %s\n", hashed, l->rawkey); |
| 1060 | ctx->has_unhashed = 1; |
| 1061 | } |
| 1062 | free(ohosts); |
| 1063 | return 0; |
| 1064 | case HKF_STATUS_INVALID: |
| 1065 | /* Retain invalid lines, but mark file as invalid. */ |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1066 | ctx->invalid = 1; |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1067 | logit("%s:%ld: invalid line", l->path, l->linenum); |
djm@openbsd.org | 6c5c949 | 2015-02-16 22:08:57 +0000 | [diff] [blame] | 1068 | /* FALLTHROUGH */ |
| 1069 | default: |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1070 | fprintf(ctx->out, "%s\n", l->line); |
| 1071 | return 0; |
Darren Tucker | 0f7e910 | 2008-06-08 12:54:29 +1000 | [diff] [blame] | 1072 | } |
djm@openbsd.org | 6c5c949 | 2015-02-16 22:08:57 +0000 | [diff] [blame] | 1073 | /* NOTREACHED */ |
| 1074 | return -1; |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1075 | } |
| 1076 | |
| 1077 | static int |
| 1078 | known_hosts_find_delete(struct hostkey_foreach_line *l, void *_ctx) |
| 1079 | { |
| 1080 | struct known_hosts_ctx *ctx = (struct known_hosts_ctx *)_ctx; |
djm@openbsd.org | 4739e8d | 2015-05-21 12:01:19 +0000 | [diff] [blame^] | 1081 | enum sshkey_fp_rep rep; |
| 1082 | int fptype; |
| 1083 | char *fp; |
| 1084 | |
| 1085 | fptype = print_bubblebabble ? SSH_DIGEST_SHA1 : fingerprint_hash; |
| 1086 | rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_DEFAULT; |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1087 | |
djm@openbsd.org | 6c5c949 | 2015-02-16 22:08:57 +0000 | [diff] [blame] | 1088 | if (l->status == HKF_STATUS_MATCHED) { |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1089 | if (delete_host) { |
| 1090 | if (l->marker != MRK_NONE) { |
| 1091 | /* Don't remove CA and revocation lines */ |
| 1092 | fprintf(ctx->out, "%s\n", l->line); |
| 1093 | } else { |
| 1094 | /* |
| 1095 | * Hostname matches and has no CA/revoke |
| 1096 | * marker, delete it by *not* writing the |
| 1097 | * line to ctx->out. |
| 1098 | */ |
| 1099 | ctx->found_key = 1; |
| 1100 | if (!quiet) |
| 1101 | printf("# Host %s found: line %ld\n", |
| 1102 | ctx->host, l->linenum); |
| 1103 | } |
| 1104 | return 0; |
| 1105 | } else if (find_host) { |
| 1106 | ctx->found_key = 1; |
| 1107 | if (!quiet) { |
| 1108 | printf("# Host %s found: line %ld %s\n", |
| 1109 | ctx->host, |
| 1110 | l->linenum, l->marker == MRK_CA ? "CA" : |
| 1111 | (l->marker == MRK_REVOKE ? "REVOKED" : "")); |
| 1112 | } |
| 1113 | if (hash_hosts) |
| 1114 | known_hosts_hash(l, ctx); |
djm@openbsd.org | 4739e8d | 2015-05-21 12:01:19 +0000 | [diff] [blame^] | 1115 | else if (print_fingerprint) { |
| 1116 | fp = sshkey_fingerprint(l->key, fptype, rep); |
| 1117 | printf("%s %s %s %s\n", ctx->host, |
| 1118 | sshkey_type(l->key), fp, l->comment); |
| 1119 | free(fp); |
| 1120 | } else |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1121 | fprintf(ctx->out, "%s\n", l->line); |
| 1122 | return 0; |
| 1123 | } |
| 1124 | } else if (delete_host) { |
| 1125 | /* Retain non-matching hosts when deleting */ |
| 1126 | if (l->status == HKF_STATUS_INVALID) { |
| 1127 | ctx->invalid = 1; |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1128 | logit("%s:%ld: invalid line", l->path, l->linenum); |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1129 | } |
| 1130 | fprintf(ctx->out, "%s\n", l->line); |
| 1131 | } |
| 1132 | return 0; |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1133 | } |
| 1134 | |
| 1135 | static void |
| 1136 | do_known_hosts(struct passwd *pw, const char *name) |
| 1137 | { |
deraadt@openbsd.org | d2099de | 2015-01-19 00:32:54 +0000 | [diff] [blame] | 1138 | char *cp, tmp[PATH_MAX], old[PATH_MAX]; |
djm@openbsd.org | 2b3c3c7 | 2015-01-18 21:51:19 +0000 | [diff] [blame] | 1139 | int r, fd, oerrno, inplace = 0; |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1140 | struct known_hosts_ctx ctx; |
djm@openbsd.org | 4739e8d | 2015-05-21 12:01:19 +0000 | [diff] [blame^] | 1141 | u_int foreach_options; |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1142 | |
| 1143 | if (!have_identity) { |
| 1144 | cp = tilde_expand_filename(_PATH_SSH_USER_HOSTFILE, pw->pw_uid); |
| 1145 | if (strlcpy(identity_file, cp, sizeof(identity_file)) >= |
| 1146 | sizeof(identity_file)) |
| 1147 | fatal("Specified known hosts path too long"); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1148 | free(cp); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1149 | have_identity = 1; |
| 1150 | } |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1151 | |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1152 | memset(&ctx, 0, sizeof(ctx)); |
| 1153 | ctx.out = stdout; |
| 1154 | ctx.host = name; |
| 1155 | |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1156 | /* |
| 1157 | * Find hosts goes to stdout, hash and deletions happen in-place |
| 1158 | * A corner case is ssh-keygen -HF foo, which should go to stdout |
| 1159 | */ |
| 1160 | if (!find_host && (hash_hosts || delete_host)) { |
| 1161 | if (strlcpy(tmp, identity_file, sizeof(tmp)) >= sizeof(tmp) || |
| 1162 | strlcat(tmp, ".XXXXXXXXXX", sizeof(tmp)) >= sizeof(tmp) || |
| 1163 | strlcpy(old, identity_file, sizeof(old)) >= sizeof(old) || |
| 1164 | strlcat(old, ".old", sizeof(old)) >= sizeof(old)) |
| 1165 | fatal("known_hosts path too long"); |
| 1166 | umask(077); |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1167 | if ((fd = mkstemp(tmp)) == -1) |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1168 | fatal("mkstemp: %s", strerror(errno)); |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1169 | if ((ctx.out = fdopen(fd, "w")) == NULL) { |
| 1170 | oerrno = errno; |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1171 | unlink(tmp); |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1172 | fatal("fdopen: %s", strerror(oerrno)); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1173 | } |
djm@openbsd.org | 2b3c3c7 | 2015-01-18 21:51:19 +0000 | [diff] [blame] | 1174 | inplace = 1; |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1175 | } |
| 1176 | |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1177 | /* XXX support identity_file == "-" for stdin */ |
djm@openbsd.org | 4739e8d | 2015-05-21 12:01:19 +0000 | [diff] [blame^] | 1178 | foreach_options = find_host ? HKF_WANT_MATCH : 0; |
| 1179 | foreach_options |= print_fingerprint ? HKF_WANT_PARSE_KEY : 0; |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1180 | if ((r = hostkeys_foreach(identity_file, |
| 1181 | hash_hosts ? known_hosts_hash : known_hosts_find_delete, &ctx, |
djm@openbsd.org | 4739e8d | 2015-05-21 12:01:19 +0000 | [diff] [blame^] | 1182 | name, NULL, foreach_options)) != 0) |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1183 | fatal("%s: hostkeys_foreach failed: %s", __func__, ssh_err(r)); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1184 | |
djm@openbsd.org | 2b3c3c7 | 2015-01-18 21:51:19 +0000 | [diff] [blame] | 1185 | if (inplace) |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1186 | fclose(ctx.out); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1187 | |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1188 | if (ctx.invalid) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1189 | error("%s is not a valid known_hosts file.", identity_file); |
djm@openbsd.org | 2b3c3c7 | 2015-01-18 21:51:19 +0000 | [diff] [blame] | 1190 | if (inplace) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1191 | error("Not replacing existing known_hosts " |
| 1192 | "file because of errors"); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1193 | unlink(tmp); |
| 1194 | } |
| 1195 | exit(1); |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1196 | } else if (delete_host && !ctx.found_key) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1197 | logit("Host %s not found in %s", name, identity_file); |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1198 | unlink(tmp); |
djm@openbsd.org | 2b3c3c7 | 2015-01-18 21:51:19 +0000 | [diff] [blame] | 1199 | } else if (inplace) { |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1200 | /* Backup existing file */ |
| 1201 | if (unlink(old) == -1 && errno != ENOENT) |
| 1202 | fatal("unlink %.100s: %s", old, strerror(errno)); |
| 1203 | if (link(identity_file, old) == -1) |
| 1204 | fatal("link %.100s to %.100s: %s", identity_file, old, |
| 1205 | strerror(errno)); |
| 1206 | /* Move new one into place */ |
| 1207 | if (rename(tmp, identity_file) == -1) { |
| 1208 | error("rename\"%s\" to \"%s\": %s", tmp, identity_file, |
| 1209 | strerror(errno)); |
| 1210 | unlink(tmp); |
| 1211 | unlink(old); |
| 1212 | exit(1); |
| 1213 | } |
| 1214 | |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1215 | printf("%s updated.\n", identity_file); |
| 1216 | printf("Original contents retained as %s\n", old); |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1217 | if (ctx.has_unhashed) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1218 | logit("WARNING: %s contains unhashed entries", old); |
| 1219 | logit("Delete this file to ensure privacy " |
| 1220 | "of hostnames"); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1221 | } |
| 1222 | } |
| 1223 | |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame] | 1224 | exit (find_host && !ctx.found_key); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1225 | } |
| 1226 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1227 | /* |
| 1228 | * Perform changing a passphrase. The argument is the passwd structure |
| 1229 | * for the current user. |
| 1230 | */ |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 1231 | static void |
Damien Miller | 10f6f6b | 1999-11-17 17:29:08 +1100 | [diff] [blame] | 1232 | do_change_passphrase(struct passwd *pw) |
| 1233 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1234 | char *comment; |
| 1235 | char *old_passphrase, *passphrase1, *passphrase2; |
| 1236 | struct stat st; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1237 | struct sshkey *private; |
| 1238 | int r; |
Damien Miller | 10f6f6b | 1999-11-17 17:29:08 +1100 | [diff] [blame] | 1239 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1240 | if (!have_identity) |
| 1241 | ask_filename(pw, "Enter file in which the key is"); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1242 | if (stat(identity_file, &st) < 0) |
| 1243 | fatal("%s: %s", identity_file, strerror(errno)); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1244 | /* Try to load the file with empty passphrase. */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1245 | r = sshkey_load_private(identity_file, "", &private, &comment); |
| 1246 | if (r == SSH_ERR_KEY_WRONG_PASSPHRASE) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1247 | if (identity_passphrase) |
| 1248 | old_passphrase = xstrdup(identity_passphrase); |
| 1249 | else |
Ben Lindstrom | 949974b | 2001-06-25 05:20:31 +0000 | [diff] [blame] | 1250 | old_passphrase = |
| 1251 | read_passphrase("Enter old passphrase: ", |
| 1252 | RP_ALLOW_STDIN); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1253 | r = sshkey_load_private(identity_file, old_passphrase, |
| 1254 | &private, &comment); |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 1255 | explicit_bzero(old_passphrase, strlen(old_passphrase)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1256 | free(old_passphrase); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1257 | if (r != 0) |
| 1258 | goto badkey; |
| 1259 | } else if (r != 0) { |
| 1260 | badkey: |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1261 | fatal("Failed to load key %s: %s", identity_file, ssh_err(r)); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1262 | } |
djm@openbsd.org | f43d172 | 2015-02-26 20:45:47 +0000 | [diff] [blame] | 1263 | if (comment) |
| 1264 | printf("Key has comment '%s'\n", comment); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1265 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1266 | /* Ask the new passphrase (twice). */ |
| 1267 | if (identity_new_passphrase) { |
| 1268 | passphrase1 = xstrdup(identity_new_passphrase); |
| 1269 | passphrase2 = NULL; |
| 1270 | } else { |
| 1271 | passphrase1 = |
Ben Lindstrom | 949974b | 2001-06-25 05:20:31 +0000 | [diff] [blame] | 1272 | read_passphrase("Enter new passphrase (empty for no " |
| 1273 | "passphrase): ", RP_ALLOW_STDIN); |
| 1274 | passphrase2 = read_passphrase("Enter same passphrase again: ", |
Damien Miller | 9f0f5c6 | 2001-12-21 14:45:46 +1100 | [diff] [blame] | 1275 | RP_ALLOW_STDIN); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1276 | |
| 1277 | /* Verify that they are the same. */ |
| 1278 | if (strcmp(passphrase1, passphrase2) != 0) { |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 1279 | explicit_bzero(passphrase1, strlen(passphrase1)); |
| 1280 | explicit_bzero(passphrase2, strlen(passphrase2)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1281 | free(passphrase1); |
| 1282 | free(passphrase2); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1283 | printf("Pass phrases do not match. Try again.\n"); |
| 1284 | exit(1); |
| 1285 | } |
| 1286 | /* Destroy the other copy. */ |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 1287 | explicit_bzero(passphrase2, strlen(passphrase2)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1288 | free(passphrase2); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1289 | } |
| 1290 | |
| 1291 | /* Save the file using the new passphrase. */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1292 | if ((r = sshkey_save_private(private, identity_file, passphrase1, |
| 1293 | comment, use_new_format, new_format_cipher, rounds)) != 0) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1294 | error("Saving key \"%s\" failed: %s.", |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1295 | identity_file, ssh_err(r)); |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 1296 | explicit_bzero(passphrase1, strlen(passphrase1)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1297 | free(passphrase1); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1298 | sshkey_free(private); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1299 | free(comment); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1300 | exit(1); |
| 1301 | } |
| 1302 | /* Destroy the passphrase and the copy of the key in memory. */ |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 1303 | explicit_bzero(passphrase1, strlen(passphrase1)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1304 | free(passphrase1); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1305 | sshkey_free(private); /* Destroys contents */ |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1306 | free(comment); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1307 | |
| 1308 | printf("Your identification has been saved with the new passphrase.\n"); |
| 1309 | exit(0); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1310 | } |
| 1311 | |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 1312 | /* |
| 1313 | * Print the SSHFP RR. |
| 1314 | */ |
Damien Miller | cb31482 | 2006-03-26 13:48:01 +1100 | [diff] [blame] | 1315 | static int |
| 1316 | do_print_resource_record(struct passwd *pw, char *fname, char *hname) |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 1317 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1318 | struct sshkey *public; |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 1319 | char *comment = NULL; |
| 1320 | struct stat st; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1321 | int r; |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 1322 | |
Damien Miller | cb31482 | 2006-03-26 13:48:01 +1100 | [diff] [blame] | 1323 | if (fname == NULL) |
Damien Miller | 5bb8833 | 2013-07-18 16:13:37 +1000 | [diff] [blame] | 1324 | fatal("%s: no filename", __func__); |
Damien Miller | cb31482 | 2006-03-26 13:48:01 +1100 | [diff] [blame] | 1325 | if (stat(fname, &st) < 0) { |
| 1326 | if (errno == ENOENT) |
| 1327 | return 0; |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1328 | fatal("%s: %s", fname, strerror(errno)); |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 1329 | } |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1330 | if ((r = sshkey_load_public(fname, &public, &comment)) != 0) |
| 1331 | fatal("Failed to read v2 public key from \"%s\": %s.", |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1332 | fname, ssh_err(r)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1333 | export_dns_rr(hname, public, stdout, print_generic); |
| 1334 | sshkey_free(public); |
| 1335 | free(comment); |
| 1336 | return 1; |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 1337 | } |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 1338 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1339 | /* |
| 1340 | * Change the comment of a private key file. |
| 1341 | */ |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 1342 | static void |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1343 | do_change_comment(struct passwd *pw) |
| 1344 | { |
Ben Lindstrom | 5fc6270 | 2001-03-09 18:19:24 +0000 | [diff] [blame] | 1345 | char new_comment[1024], *comment, *passphrase; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1346 | struct sshkey *private; |
| 1347 | struct sshkey *public; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1348 | struct stat st; |
| 1349 | FILE *f; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1350 | int r, fd; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1351 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1352 | if (!have_identity) |
| 1353 | ask_filename(pw, "Enter file in which the key is"); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1354 | if (stat(identity_file, &st) < 0) |
| 1355 | fatal("%s: %s", identity_file, strerror(errno)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1356 | if ((r = sshkey_load_private(identity_file, "", |
| 1357 | &private, &comment)) == 0) |
| 1358 | passphrase = xstrdup(""); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1359 | else if (r != SSH_ERR_KEY_WRONG_PASSPHRASE) |
| 1360 | fatal("Cannot load private key \"%s\": %s.", |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1361 | identity_file, ssh_err(r)); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1362 | else { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1363 | if (identity_passphrase) |
| 1364 | passphrase = xstrdup(identity_passphrase); |
| 1365 | else if (identity_new_passphrase) |
| 1366 | passphrase = xstrdup(identity_new_passphrase); |
| 1367 | else |
Ben Lindstrom | 949974b | 2001-06-25 05:20:31 +0000 | [diff] [blame] | 1368 | passphrase = read_passphrase("Enter passphrase: ", |
| 1369 | RP_ALLOW_STDIN); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1370 | /* Try to load using the passphrase. */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1371 | if ((r = sshkey_load_private(identity_file, passphrase, |
| 1372 | &private, &comment)) != 0) { |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 1373 | explicit_bzero(passphrase, strlen(passphrase)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1374 | free(passphrase); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1375 | fatal("Cannot load private key \"%s\": %s.", |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1376 | identity_file, ssh_err(r)); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1377 | } |
| 1378 | } |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1379 | /* XXX what about new-format keys? */ |
Ben Lindstrom | d0fca42 | 2001-03-26 13:44:06 +0000 | [diff] [blame] | 1380 | if (private->type != KEY_RSA1) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1381 | error("Comments are only supported for RSA1 keys."); |
tobias@openbsd.org | 704d8c8 | 2015-03-31 11:06:49 +0000 | [diff] [blame] | 1382 | explicit_bzero(passphrase, strlen(passphrase)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1383 | sshkey_free(private); |
Ben Lindstrom | d0fca42 | 2001-03-26 13:44:06 +0000 | [diff] [blame] | 1384 | exit(1); |
Damien Miller | 9f0f5c6 | 2001-12-21 14:45:46 +1100 | [diff] [blame] | 1385 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1386 | printf("Key now has comment '%s'\n", comment); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1387 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1388 | if (identity_comment) { |
| 1389 | strlcpy(new_comment, identity_comment, sizeof(new_comment)); |
| 1390 | } else { |
| 1391 | printf("Enter new comment: "); |
| 1392 | fflush(stdout); |
| 1393 | if (!fgets(new_comment, sizeof(new_comment), stdin)) { |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 1394 | explicit_bzero(passphrase, strlen(passphrase)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1395 | sshkey_free(private); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1396 | exit(1); |
| 1397 | } |
Damien Miller | 14b017d | 2007-09-17 16:09:15 +1000 | [diff] [blame] | 1398 | new_comment[strcspn(new_comment, "\n")] = '\0'; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1399 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1400 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1401 | /* Save the file using the new passphrase. */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1402 | if ((r = sshkey_save_private(private, identity_file, passphrase, |
| 1403 | new_comment, use_new_format, new_format_cipher, rounds)) != 0) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1404 | error("Saving key \"%s\" failed: %s", |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1405 | identity_file, ssh_err(r)); |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 1406 | explicit_bzero(passphrase, strlen(passphrase)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1407 | free(passphrase); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1408 | sshkey_free(private); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1409 | free(comment); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1410 | exit(1); |
| 1411 | } |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 1412 | explicit_bzero(passphrase, strlen(passphrase)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1413 | free(passphrase); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1414 | if ((r = sshkey_from_private(private, &public)) != 0) |
| 1415 | fatal("key_from_private failed: %s", ssh_err(r)); |
| 1416 | sshkey_free(private); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1417 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1418 | strlcat(identity_file, ".pub", sizeof(identity_file)); |
Ben Lindstrom | 5fc6270 | 2001-03-09 18:19:24 +0000 | [diff] [blame] | 1419 | fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1420 | if (fd == -1) |
| 1421 | fatal("Could not save your public key in %s", identity_file); |
Ben Lindstrom | 5fc6270 | 2001-03-09 18:19:24 +0000 | [diff] [blame] | 1422 | f = fdopen(fd, "w"); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1423 | if (f == NULL) |
| 1424 | fatal("fdopen %s failed: %s", identity_file, strerror(errno)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1425 | if ((r = sshkey_write(public, f)) != 0) |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1426 | fatal("write key failed: %s", ssh_err(r)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1427 | sshkey_free(public); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 1428 | fprintf(f, " %s\n", new_comment); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1429 | fclose(f); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1430 | |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1431 | free(comment); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1432 | |
| 1433 | printf("The comment in your key file has been changed.\n"); |
| 1434 | exit(0); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1435 | } |
| 1436 | |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1437 | static const char * |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1438 | fmt_validity(u_int64_t valid_from, u_int64_t valid_to) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1439 | { |
| 1440 | char from[32], to[32]; |
| 1441 | static char ret[64]; |
| 1442 | time_t tt; |
| 1443 | struct tm *tm; |
| 1444 | |
| 1445 | *from = *to = '\0'; |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1446 | if (valid_from == 0 && valid_to == 0xffffffffffffffffULL) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1447 | return "forever"; |
| 1448 | |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1449 | if (valid_from != 0) { |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1450 | /* XXX revisit INT_MAX in 2038 :) */ |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1451 | tt = valid_from > INT_MAX ? INT_MAX : valid_from; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1452 | tm = localtime(&tt); |
| 1453 | strftime(from, sizeof(from), "%Y-%m-%dT%H:%M:%S", tm); |
| 1454 | } |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1455 | if (valid_to != 0xffffffffffffffffULL) { |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1456 | /* XXX revisit INT_MAX in 2038 :) */ |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1457 | tt = valid_to > INT_MAX ? INT_MAX : valid_to; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1458 | tm = localtime(&tt); |
| 1459 | strftime(to, sizeof(to), "%Y-%m-%dT%H:%M:%S", tm); |
| 1460 | } |
| 1461 | |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1462 | if (valid_from == 0) { |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1463 | snprintf(ret, sizeof(ret), "before %s", to); |
| 1464 | return ret; |
| 1465 | } |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1466 | if (valid_to == 0xffffffffffffffffULL) { |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1467 | snprintf(ret, sizeof(ret), "after %s", from); |
| 1468 | return ret; |
| 1469 | } |
| 1470 | |
| 1471 | snprintf(ret, sizeof(ret), "from %s to %s", from, to); |
| 1472 | return ret; |
| 1473 | } |
| 1474 | |
| 1475 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1476 | add_flag_option(struct sshbuf *c, const char *name) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1477 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1478 | int r; |
| 1479 | |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1480 | debug3("%s: %s", __func__, name); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1481 | if ((r = sshbuf_put_cstring(c, name)) != 0 || |
| 1482 | (r = sshbuf_put_string(c, NULL, 0)) != 0) |
| 1483 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1484 | } |
| 1485 | |
| 1486 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1487 | add_string_option(struct sshbuf *c, const char *name, const char *value) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1488 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1489 | struct sshbuf *b; |
| 1490 | int r; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1491 | |
| 1492 | debug3("%s: %s=%s", __func__, name, value); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1493 | if ((b = sshbuf_new()) == NULL) |
| 1494 | fatal("%s: sshbuf_new failed", __func__); |
| 1495 | if ((r = sshbuf_put_cstring(b, value)) != 0 || |
| 1496 | (r = sshbuf_put_cstring(c, name)) != 0 || |
| 1497 | (r = sshbuf_put_stringb(c, b)) != 0) |
| 1498 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1499 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1500 | sshbuf_free(b); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1501 | } |
| 1502 | |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1503 | #define OPTIONS_CRITICAL 1 |
| 1504 | #define OPTIONS_EXTENSIONS 2 |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1505 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1506 | prepare_options_buf(struct sshbuf *c, int which) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1507 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1508 | sshbuf_reset(c); |
Damien Miller | 1da6388 | 2010-08-05 13:03:51 +1000 | [diff] [blame] | 1509 | if ((which & OPTIONS_CRITICAL) != 0 && |
| 1510 | certflags_command != NULL) |
| 1511 | add_string_option(c, "force-command", certflags_command); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1512 | if ((which & OPTIONS_EXTENSIONS) != 0 && |
Damien Miller | 2ce12ef | 2011-05-05 14:17:18 +1000 | [diff] [blame] | 1513 | (certflags_flags & CERTOPT_X_FWD) != 0) |
| 1514 | add_flag_option(c, "permit-X11-forwarding"); |
| 1515 | if ((which & OPTIONS_EXTENSIONS) != 0 && |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1516 | (certflags_flags & CERTOPT_AGENT_FWD) != 0) |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1517 | add_flag_option(c, "permit-agent-forwarding"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1518 | if ((which & OPTIONS_EXTENSIONS) != 0 && |
| 1519 | (certflags_flags & CERTOPT_PORT_FWD) != 0) |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1520 | add_flag_option(c, "permit-port-forwarding"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1521 | if ((which & OPTIONS_EXTENSIONS) != 0 && |
| 1522 | (certflags_flags & CERTOPT_PTY) != 0) |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1523 | add_flag_option(c, "permit-pty"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1524 | if ((which & OPTIONS_EXTENSIONS) != 0 && |
| 1525 | (certflags_flags & CERTOPT_USER_RC) != 0) |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1526 | add_flag_option(c, "permit-user-rc"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1527 | if ((which & OPTIONS_CRITICAL) != 0 && |
| 1528 | certflags_src_addr != NULL) |
| 1529 | add_string_option(c, "source-address", certflags_src_addr); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1530 | } |
| 1531 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1532 | static struct sshkey * |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1533 | load_pkcs11_key(char *path) |
| 1534 | { |
| 1535 | #ifdef ENABLE_PKCS11 |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1536 | struct sshkey **keys = NULL, *public, *private = NULL; |
| 1537 | int r, i, nkeys; |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1538 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1539 | if ((r = sshkey_load_public(path, &public, NULL)) != 0) |
| 1540 | fatal("Couldn't load CA public key \"%s\": %s", |
| 1541 | path, ssh_err(r)); |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1542 | |
| 1543 | nkeys = pkcs11_add_provider(pkcs11provider, identity_passphrase, &keys); |
| 1544 | debug3("%s: %d keys", __func__, nkeys); |
| 1545 | if (nkeys <= 0) |
| 1546 | fatal("cannot read public key from pkcs11"); |
| 1547 | for (i = 0; i < nkeys; i++) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1548 | if (sshkey_equal_public(public, keys[i])) { |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1549 | private = keys[i]; |
| 1550 | continue; |
| 1551 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1552 | sshkey_free(keys[i]); |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1553 | } |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1554 | free(keys); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1555 | sshkey_free(public); |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1556 | return private; |
| 1557 | #else |
| 1558 | fatal("no pkcs11 support"); |
| 1559 | #endif /* ENABLE_PKCS11 */ |
| 1560 | } |
| 1561 | |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1562 | static void |
| 1563 | do_ca_sign(struct passwd *pw, int argc, char **argv) |
| 1564 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1565 | int r, i, fd; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1566 | u_int n; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1567 | struct sshkey *ca, *public; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1568 | char *otmp, *tmp, *cp, *out, *comment, **plist = NULL; |
| 1569 | FILE *f; |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1570 | int v00 = 0; /* legacy keys */ |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1571 | |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1572 | if (key_type_name != NULL) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1573 | switch (sshkey_type_from_name(key_type_name)) { |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1574 | case KEY_RSA_CERT_V00: |
| 1575 | case KEY_DSA_CERT_V00: |
| 1576 | v00 = 1; |
| 1577 | break; |
| 1578 | case KEY_UNSPEC: |
| 1579 | if (strcasecmp(key_type_name, "v00") == 0) { |
| 1580 | v00 = 1; |
| 1581 | break; |
| 1582 | } else if (strcasecmp(key_type_name, "v01") == 0) |
| 1583 | break; |
| 1584 | /* FALLTHROUGH */ |
| 1585 | default: |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 1586 | fatal("unknown key type %s", key_type_name); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1587 | } |
| 1588 | } |
| 1589 | |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 1590 | #ifdef ENABLE_PKCS11 |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1591 | pkcs11_init(1); |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 1592 | #endif |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1593 | tmp = tilde_expand_filename(ca_key_path, pw->pw_uid); |
| 1594 | if (pkcs11provider != NULL) { |
| 1595 | if ((ca = load_pkcs11_key(tmp)) == NULL) |
| 1596 | fatal("No PKCS#11 key matching %s found", ca_key_path); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1597 | } else |
| 1598 | ca = load_identity(tmp); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1599 | free(tmp); |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1600 | |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1601 | for (i = 0; i < argc; i++) { |
| 1602 | /* Split list of principals */ |
| 1603 | n = 0; |
| 1604 | if (cert_principals != NULL) { |
| 1605 | otmp = tmp = xstrdup(cert_principals); |
| 1606 | plist = NULL; |
| 1607 | for (; (cp = strsep(&tmp, ",")) != NULL; n++) { |
deraadt@openbsd.org | 657a5fb | 2015-04-24 01:36:00 +0000 | [diff] [blame] | 1608 | plist = xreallocarray(plist, n + 1, sizeof(*plist)); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1609 | if (*(plist[n] = xstrdup(cp)) == '\0') |
| 1610 | fatal("Empty principal name"); |
| 1611 | } |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1612 | free(otmp); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1613 | } |
| 1614 | |
| 1615 | tmp = tilde_expand_filename(argv[i], pw->pw_uid); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1616 | if ((r = sshkey_load_public(tmp, &public, &comment)) != 0) |
| 1617 | fatal("%s: unable to open \"%s\": %s", |
| 1618 | __func__, tmp, ssh_err(r)); |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 1619 | if (public->type != KEY_RSA && public->type != KEY_DSA && |
Damien Miller | 5be9d9e | 2013-12-07 11:24:01 +1100 | [diff] [blame] | 1620 | public->type != KEY_ECDSA && public->type != KEY_ED25519) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1621 | fatal("%s: key \"%s\" type %s cannot be certified", |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1622 | __func__, tmp, sshkey_type(public)); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1623 | |
| 1624 | /* Prepare certificate to sign */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1625 | if ((r = sshkey_to_certified(public, v00)) != 0) |
| 1626 | fatal("Could not upgrade key %s to certificate: %s", |
| 1627 | tmp, ssh_err(r)); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1628 | public->cert->type = cert_key_type; |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1629 | public->cert->serial = (u_int64_t)cert_serial; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1630 | public->cert->key_id = xstrdup(cert_key_id); |
| 1631 | public->cert->nprincipals = n; |
| 1632 | public->cert->principals = plist; |
| 1633 | public->cert->valid_after = cert_valid_from; |
| 1634 | public->cert->valid_before = cert_valid_to; |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1635 | if (v00) { |
Damien Miller | 8668706 | 2014-07-02 15:28:02 +1000 | [diff] [blame] | 1636 | prepare_options_buf(public->cert->critical, |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1637 | OPTIONS_CRITICAL|OPTIONS_EXTENSIONS); |
| 1638 | } else { |
Damien Miller | 8668706 | 2014-07-02 15:28:02 +1000 | [diff] [blame] | 1639 | prepare_options_buf(public->cert->critical, |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1640 | OPTIONS_CRITICAL); |
Damien Miller | 8668706 | 2014-07-02 15:28:02 +1000 | [diff] [blame] | 1641 | prepare_options_buf(public->cert->extensions, |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1642 | OPTIONS_EXTENSIONS); |
| 1643 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1644 | if ((r = sshkey_from_private(ca, |
| 1645 | &public->cert->signature_key)) != 0) |
| 1646 | fatal("key_from_private (ca key): %s", ssh_err(r)); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1647 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1648 | if (sshkey_certify(public, ca) != 0) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1649 | fatal("Couldn't not certify key %s", tmp); |
| 1650 | |
| 1651 | if ((cp = strrchr(tmp, '.')) != NULL && strcmp(cp, ".pub") == 0) |
| 1652 | *cp = '\0'; |
| 1653 | xasprintf(&out, "%s-cert.pub", tmp); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1654 | free(tmp); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1655 | |
| 1656 | if ((fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1) |
| 1657 | fatal("Could not open \"%s\" for writing: %s", out, |
| 1658 | strerror(errno)); |
| 1659 | if ((f = fdopen(fd, "w")) == NULL) |
| 1660 | fatal("%s: fdopen: %s", __func__, strerror(errno)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1661 | if ((r = sshkey_write(public, f)) != 0) |
| 1662 | fatal("Could not write certified key to %s: %s", |
| 1663 | out, ssh_err(r)); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1664 | fprintf(f, " %s\n", comment); |
| 1665 | fclose(f); |
| 1666 | |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1667 | if (!quiet) { |
| 1668 | logit("Signed %s key %s: id \"%s\" serial %llu%s%s " |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1669 | "valid %s", sshkey_cert_type(public), |
Damien Miller | 821de0a | 2011-01-11 17:20:29 +1100 | [diff] [blame] | 1670 | out, public->cert->key_id, |
| 1671 | (unsigned long long)public->cert->serial, |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1672 | cert_principals != NULL ? " for " : "", |
| 1673 | cert_principals != NULL ? cert_principals : "", |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1674 | fmt_validity(cert_valid_from, cert_valid_to)); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1675 | } |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1676 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1677 | sshkey_free(public); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1678 | free(out); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1679 | } |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 1680 | #ifdef ENABLE_PKCS11 |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1681 | pkcs11_terminate(); |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 1682 | #endif |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1683 | exit(0); |
| 1684 | } |
| 1685 | |
| 1686 | static u_int64_t |
| 1687 | parse_relative_time(const char *s, time_t now) |
| 1688 | { |
| 1689 | int64_t mul, secs; |
| 1690 | |
| 1691 | mul = *s == '-' ? -1 : 1; |
| 1692 | |
| 1693 | if ((secs = convtime(s + 1)) == -1) |
| 1694 | fatal("Invalid relative certificate time %s", s); |
| 1695 | if (mul == -1 && secs > now) |
| 1696 | fatal("Certificate time %s cannot be represented", s); |
| 1697 | return now + (u_int64_t)(secs * mul); |
| 1698 | } |
| 1699 | |
| 1700 | static u_int64_t |
| 1701 | parse_absolute_time(const char *s) |
| 1702 | { |
| 1703 | struct tm tm; |
| 1704 | time_t tt; |
Damien Miller | 2ca342b | 2010-03-03 12:14:15 +1100 | [diff] [blame] | 1705 | char buf[32], *fmt; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1706 | |
Damien Miller | 2ca342b | 2010-03-03 12:14:15 +1100 | [diff] [blame] | 1707 | /* |
| 1708 | * POSIX strptime says "The application shall ensure that there |
| 1709 | * is white-space or other non-alphanumeric characters between |
| 1710 | * any two conversion specifications" so arrange things this way. |
| 1711 | */ |
| 1712 | switch (strlen(s)) { |
| 1713 | case 8: |
Damien Miller | 3e1ee49 | 2010-03-08 09:24:11 +1100 | [diff] [blame] | 1714 | fmt = "%Y-%m-%d"; |
| 1715 | snprintf(buf, sizeof(buf), "%.4s-%.2s-%.2s", s, s + 4, s + 6); |
Damien Miller | 2ca342b | 2010-03-03 12:14:15 +1100 | [diff] [blame] | 1716 | break; |
| 1717 | case 14: |
Damien Miller | 3e1ee49 | 2010-03-08 09:24:11 +1100 | [diff] [blame] | 1718 | fmt = "%Y-%m-%dT%H:%M:%S"; |
| 1719 | snprintf(buf, sizeof(buf), "%.4s-%.2s-%.2sT%.2s:%.2s:%.2s", |
Damien Miller | 2ca342b | 2010-03-03 12:14:15 +1100 | [diff] [blame] | 1720 | s, s + 4, s + 6, s + 8, s + 10, s + 12); |
| 1721 | break; |
| 1722 | default: |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1723 | fatal("Invalid certificate time format %s", s); |
Damien Miller | 2ca342b | 2010-03-03 12:14:15 +1100 | [diff] [blame] | 1724 | } |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1725 | |
Damien Miller | 1d2c456 | 2014-02-04 11:18:20 +1100 | [diff] [blame] | 1726 | memset(&tm, 0, sizeof(tm)); |
Damien Miller | 2ca342b | 2010-03-03 12:14:15 +1100 | [diff] [blame] | 1727 | if (strptime(buf, fmt, &tm) == NULL) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1728 | fatal("Invalid certificate time %s", s); |
| 1729 | if ((tt = mktime(&tm)) < 0) |
| 1730 | fatal("Certificate time %s cannot be represented", s); |
| 1731 | return (u_int64_t)tt; |
| 1732 | } |
| 1733 | |
| 1734 | static void |
| 1735 | parse_cert_times(char *timespec) |
| 1736 | { |
| 1737 | char *from, *to; |
| 1738 | time_t now = time(NULL); |
| 1739 | int64_t secs; |
| 1740 | |
| 1741 | /* +timespec relative to now */ |
| 1742 | if (*timespec == '+' && strchr(timespec, ':') == NULL) { |
| 1743 | if ((secs = convtime(timespec + 1)) == -1) |
| 1744 | fatal("Invalid relative certificate life %s", timespec); |
| 1745 | cert_valid_to = now + secs; |
| 1746 | /* |
| 1747 | * Backdate certificate one minute to avoid problems on hosts |
| 1748 | * with poorly-synchronised clocks. |
| 1749 | */ |
| 1750 | cert_valid_from = ((now - 59)/ 60) * 60; |
| 1751 | return; |
| 1752 | } |
| 1753 | |
| 1754 | /* |
| 1755 | * from:to, where |
| 1756 | * from := [+-]timespec | YYYYMMDD | YYYYMMDDHHMMSS |
| 1757 | * to := [+-]timespec | YYYYMMDD | YYYYMMDDHHMMSS |
| 1758 | */ |
| 1759 | from = xstrdup(timespec); |
| 1760 | to = strchr(from, ':'); |
| 1761 | if (to == NULL || from == to || *(to + 1) == '\0') |
Damien Miller | 910f209 | 2010-03-04 14:17:22 +1100 | [diff] [blame] | 1762 | fatal("Invalid certificate life specification %s", timespec); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1763 | *to++ = '\0'; |
| 1764 | |
| 1765 | if (*from == '-' || *from == '+') |
| 1766 | cert_valid_from = parse_relative_time(from, now); |
| 1767 | else |
| 1768 | cert_valid_from = parse_absolute_time(from); |
| 1769 | |
| 1770 | if (*to == '-' || *to == '+') |
Damien Miller | 5b01b0d | 2013-10-23 16:31:31 +1100 | [diff] [blame] | 1771 | cert_valid_to = parse_relative_time(to, now); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1772 | else |
| 1773 | cert_valid_to = parse_absolute_time(to); |
| 1774 | |
| 1775 | if (cert_valid_to <= cert_valid_from) |
| 1776 | fatal("Empty certificate validity interval"); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1777 | free(from); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1778 | } |
| 1779 | |
| 1780 | static void |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1781 | add_cert_option(char *opt) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1782 | { |
| 1783 | char *val; |
| 1784 | |
Damien Miller | 044f4a6 | 2011-05-05 14:14:08 +1000 | [diff] [blame] | 1785 | if (strcasecmp(opt, "clear") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1786 | certflags_flags = 0; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1787 | else if (strcasecmp(opt, "no-x11-forwarding") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1788 | certflags_flags &= ~CERTOPT_X_FWD; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1789 | else if (strcasecmp(opt, "permit-x11-forwarding") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1790 | certflags_flags |= CERTOPT_X_FWD; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1791 | else if (strcasecmp(opt, "no-agent-forwarding") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1792 | certflags_flags &= ~CERTOPT_AGENT_FWD; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1793 | else if (strcasecmp(opt, "permit-agent-forwarding") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1794 | certflags_flags |= CERTOPT_AGENT_FWD; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1795 | else if (strcasecmp(opt, "no-port-forwarding") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1796 | certflags_flags &= ~CERTOPT_PORT_FWD; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1797 | else if (strcasecmp(opt, "permit-port-forwarding") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1798 | certflags_flags |= CERTOPT_PORT_FWD; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1799 | else if (strcasecmp(opt, "no-pty") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1800 | certflags_flags &= ~CERTOPT_PTY; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1801 | else if (strcasecmp(opt, "permit-pty") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1802 | certflags_flags |= CERTOPT_PTY; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1803 | else if (strcasecmp(opt, "no-user-rc") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1804 | certflags_flags &= ~CERTOPT_USER_RC; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1805 | else if (strcasecmp(opt, "permit-user-rc") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1806 | certflags_flags |= CERTOPT_USER_RC; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1807 | else if (strncasecmp(opt, "force-command=", 14) == 0) { |
| 1808 | val = opt + 14; |
| 1809 | if (*val == '\0') |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1810 | fatal("Empty force-command option"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1811 | if (certflags_command != NULL) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1812 | fatal("force-command already specified"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1813 | certflags_command = xstrdup(val); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1814 | } else if (strncasecmp(opt, "source-address=", 15) == 0) { |
| 1815 | val = opt + 15; |
| 1816 | if (*val == '\0') |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1817 | fatal("Empty source-address option"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1818 | if (certflags_src_addr != NULL) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1819 | fatal("source-address already specified"); |
| 1820 | if (addr_match_cidr_list(NULL, val) != 0) |
| 1821 | fatal("Invalid source-address list"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1822 | certflags_src_addr = xstrdup(val); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1823 | } else |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1824 | fatal("Unsupported certificate option \"%s\"", opt); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1825 | } |
| 1826 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 1827 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1828 | show_options(struct sshbuf *optbuf, int v00, int in_critical) |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1829 | { |
Damien Miller | 633de33 | 2014-05-15 13:48:26 +1000 | [diff] [blame] | 1830 | char *name, *arg; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1831 | struct sshbuf *options, *option = NULL; |
| 1832 | int r; |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1833 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1834 | if ((options = sshbuf_fromb(optbuf)) == NULL) |
| 1835 | fatal("%s: sshbuf_fromb failed", __func__); |
| 1836 | while (sshbuf_len(options) != 0) { |
| 1837 | sshbuf_free(option); |
| 1838 | option = NULL; |
| 1839 | if ((r = sshbuf_get_cstring(options, &name, NULL)) != 0 || |
| 1840 | (r = sshbuf_froms(options, &option)) != 0) |
| 1841 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1842 | printf(" %s", name); |
| 1843 | if ((v00 || !in_critical) && |
| 1844 | (strcmp(name, "permit-X11-forwarding") == 0 || |
| 1845 | strcmp(name, "permit-agent-forwarding") == 0 || |
| 1846 | strcmp(name, "permit-port-forwarding") == 0 || |
| 1847 | strcmp(name, "permit-pty") == 0 || |
| 1848 | strcmp(name, "permit-user-rc") == 0)) |
| 1849 | printf("\n"); |
| 1850 | else if ((v00 || in_critical) && |
| 1851 | (strcmp(name, "force-command") == 0 || |
| 1852 | strcmp(name, "source-address") == 0)) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1853 | if ((r = sshbuf_get_cstring(option, &arg, NULL)) != 0) |
| 1854 | fatal("%s: buffer error: %s", |
| 1855 | __func__, ssh_err(r)); |
Damien Miller | 633de33 | 2014-05-15 13:48:26 +1000 | [diff] [blame] | 1856 | printf(" %s\n", arg); |
| 1857 | free(arg); |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1858 | } else { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1859 | printf(" UNKNOWN OPTION (len %zu)\n", |
| 1860 | sshbuf_len(option)); |
| 1861 | sshbuf_reset(option); |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1862 | } |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1863 | free(name); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1864 | if (sshbuf_len(option) != 0) |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1865 | fatal("Option corrupt: extra data at end"); |
| 1866 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1867 | sshbuf_free(option); |
| 1868 | sshbuf_free(options); |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1869 | } |
| 1870 | |
| 1871 | static void |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1872 | do_show_cert(struct passwd *pw) |
| 1873 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1874 | struct sshkey *key; |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1875 | struct stat st; |
| 1876 | char *key_fp, *ca_fp; |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1877 | u_int i, v00; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1878 | int r; |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1879 | |
| 1880 | if (!have_identity) |
| 1881 | ask_filename(pw, "Enter file in which the key is"); |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 1882 | if (stat(identity_file, &st) < 0) |
| 1883 | fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1884 | if ((r = sshkey_load_public(identity_file, &key, NULL)) != 0) |
| 1885 | fatal("Cannot load public key \"%s\": %s", |
| 1886 | identity_file, ssh_err(r)); |
| 1887 | if (!sshkey_is_cert(key)) |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1888 | fatal("%s is not a certificate", identity_file); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1889 | v00 = key->type == KEY_RSA_CERT_V00 || key->type == KEY_DSA_CERT_V00; |
| 1890 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1891 | key_fp = sshkey_fingerprint(key, fingerprint_hash, SSH_FP_DEFAULT); |
| 1892 | ca_fp = sshkey_fingerprint(key->cert->signature_key, |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 1893 | fingerprint_hash, SSH_FP_DEFAULT); |
djm@openbsd.org | 9ce86c9 | 2015-01-28 22:36:00 +0000 | [diff] [blame] | 1894 | if (key_fp == NULL || ca_fp == NULL) |
| 1895 | fatal("%s: sshkey_fingerprint fail", __func__); |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1896 | |
| 1897 | printf("%s:\n", identity_file); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1898 | printf(" Type: %s %s certificate\n", sshkey_ssh_name(key), |
| 1899 | sshkey_cert_type(key)); |
| 1900 | printf(" Public key: %s %s\n", sshkey_type(key), key_fp); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1901 | printf(" Signing CA: %s %s\n", |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1902 | sshkey_type(key->cert->signature_key), ca_fp); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1903 | printf(" Key ID: \"%s\"\n", key->cert->key_id); |
Damien Miller | 821de0a | 2011-01-11 17:20:29 +1100 | [diff] [blame] | 1904 | if (!v00) { |
| 1905 | printf(" Serial: %llu\n", |
| 1906 | (unsigned long long)key->cert->serial); |
| 1907 | } |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1908 | printf(" Valid: %s\n", |
| 1909 | fmt_validity(key->cert->valid_after, key->cert->valid_before)); |
| 1910 | printf(" Principals: "); |
| 1911 | if (key->cert->nprincipals == 0) |
| 1912 | printf("(none)\n"); |
| 1913 | else { |
| 1914 | for (i = 0; i < key->cert->nprincipals; i++) |
| 1915 | printf("\n %s", |
| 1916 | key->cert->principals[i]); |
| 1917 | printf("\n"); |
| 1918 | } |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1919 | printf(" Critical Options: "); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1920 | if (sshbuf_len(key->cert->critical) == 0) |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1921 | printf("(none)\n"); |
| 1922 | else { |
| 1923 | printf("\n"); |
Damien Miller | 8668706 | 2014-07-02 15:28:02 +1000 | [diff] [blame] | 1924 | show_options(key->cert->critical, v00, 1); |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1925 | } |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1926 | if (!v00) { |
| 1927 | printf(" Extensions: "); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1928 | if (sshbuf_len(key->cert->extensions) == 0) |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1929 | printf("(none)\n"); |
| 1930 | else { |
| 1931 | printf("\n"); |
Damien Miller | 8668706 | 2014-07-02 15:28:02 +1000 | [diff] [blame] | 1932 | show_options(key->cert->extensions, v00, 0); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1933 | } |
| 1934 | } |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1935 | exit(0); |
| 1936 | } |
| 1937 | |
| 1938 | static void |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1939 | load_krl(const char *path, struct ssh_krl **krlp) |
| 1940 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1941 | struct sshbuf *krlbuf; |
| 1942 | int r, fd; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1943 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1944 | if ((krlbuf = sshbuf_new()) == NULL) |
| 1945 | fatal("sshbuf_new failed"); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1946 | if ((fd = open(path, O_RDONLY)) == -1) |
| 1947 | fatal("open %s: %s", path, strerror(errno)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1948 | if ((r = sshkey_load_file(fd, krlbuf)) != 0) |
| 1949 | fatal("Unable to load KRL: %s", ssh_err(r)); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1950 | close(fd); |
| 1951 | /* XXX check sigs */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1952 | if ((r = ssh_krl_from_blob(krlbuf, krlp, NULL, 0)) != 0 || |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1953 | *krlp == NULL) |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1954 | fatal("Invalid KRL file: %s", ssh_err(r)); |
| 1955 | sshbuf_free(krlbuf); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1956 | } |
| 1957 | |
| 1958 | static void |
djm@openbsd.org | 669aee9 | 2015-01-30 01:10:33 +0000 | [diff] [blame] | 1959 | update_krl_from_file(struct passwd *pw, const char *file, int wild_ca, |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1960 | const struct sshkey *ca, struct ssh_krl *krl) |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1961 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1962 | struct sshkey *key = NULL; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1963 | u_long lnum = 0; |
| 1964 | char *path, *cp, *ep, line[SSH_MAX_PUBKEY_BYTES]; |
| 1965 | unsigned long long serial, serial2; |
| 1966 | int i, was_explicit_key, was_sha1, r; |
| 1967 | FILE *krl_spec; |
| 1968 | |
| 1969 | path = tilde_expand_filename(file, pw->pw_uid); |
| 1970 | if (strcmp(path, "-") == 0) { |
| 1971 | krl_spec = stdin; |
| 1972 | free(path); |
| 1973 | path = xstrdup("(standard input)"); |
| 1974 | } else if ((krl_spec = fopen(path, "r")) == NULL) |
| 1975 | fatal("fopen %s: %s", path, strerror(errno)); |
| 1976 | |
| 1977 | if (!quiet) |
| 1978 | printf("Revoking from %s\n", path); |
| 1979 | while (read_keyfile_line(krl_spec, path, line, sizeof(line), |
| 1980 | &lnum) == 0) { |
| 1981 | was_explicit_key = was_sha1 = 0; |
| 1982 | cp = line + strspn(line, " \t"); |
| 1983 | /* Trim trailing space, comments and strip \n */ |
| 1984 | for (i = 0, r = -1; cp[i] != '\0'; i++) { |
| 1985 | if (cp[i] == '#' || cp[i] == '\n') { |
| 1986 | cp[i] = '\0'; |
| 1987 | break; |
| 1988 | } |
| 1989 | if (cp[i] == ' ' || cp[i] == '\t') { |
| 1990 | /* Remember the start of a span of whitespace */ |
| 1991 | if (r == -1) |
| 1992 | r = i; |
| 1993 | } else |
| 1994 | r = -1; |
| 1995 | } |
| 1996 | if (r != -1) |
| 1997 | cp[r] = '\0'; |
| 1998 | if (*cp == '\0') |
| 1999 | continue; |
| 2000 | if (strncasecmp(cp, "serial:", 7) == 0) { |
djm@openbsd.org | 669aee9 | 2015-01-30 01:10:33 +0000 | [diff] [blame] | 2001 | if (ca == NULL && !wild_ca) { |
Damien Miller | d234afb | 2013-08-21 02:42:58 +1000 | [diff] [blame] | 2002 | fatal("revoking certificates by serial number " |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2003 | "requires specification of a CA key"); |
| 2004 | } |
| 2005 | cp += 7; |
| 2006 | cp = cp + strspn(cp, " \t"); |
| 2007 | errno = 0; |
| 2008 | serial = strtoull(cp, &ep, 0); |
| 2009 | if (*cp == '\0' || (*ep != '\0' && *ep != '-')) |
| 2010 | fatal("%s:%lu: invalid serial \"%s\"", |
| 2011 | path, lnum, cp); |
| 2012 | if (errno == ERANGE && serial == ULLONG_MAX) |
| 2013 | fatal("%s:%lu: serial out of range", |
| 2014 | path, lnum); |
| 2015 | serial2 = serial; |
| 2016 | if (*ep == '-') { |
| 2017 | cp = ep + 1; |
| 2018 | errno = 0; |
| 2019 | serial2 = strtoull(cp, &ep, 0); |
| 2020 | if (*cp == '\0' || *ep != '\0') |
| 2021 | fatal("%s:%lu: invalid serial \"%s\"", |
| 2022 | path, lnum, cp); |
| 2023 | if (errno == ERANGE && serial2 == ULLONG_MAX) |
| 2024 | fatal("%s:%lu: serial out of range", |
| 2025 | path, lnum); |
| 2026 | if (serial2 <= serial) |
| 2027 | fatal("%s:%lu: invalid serial range " |
| 2028 | "%llu:%llu", path, lnum, |
| 2029 | (unsigned long long)serial, |
| 2030 | (unsigned long long)serial2); |
| 2031 | } |
| 2032 | if (ssh_krl_revoke_cert_by_serial_range(krl, |
| 2033 | ca, serial, serial2) != 0) { |
| 2034 | fatal("%s: revoke serial failed", |
| 2035 | __func__); |
| 2036 | } |
| 2037 | } else if (strncasecmp(cp, "id:", 3) == 0) { |
djm@openbsd.org | 669aee9 | 2015-01-30 01:10:33 +0000 | [diff] [blame] | 2038 | if (ca == NULL && !wild_ca) { |
Damien Miller | d5d9d7b | 2013-08-21 02:43:27 +1000 | [diff] [blame] | 2039 | fatal("revoking certificates by key ID " |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2040 | "requires specification of a CA key"); |
| 2041 | } |
| 2042 | cp += 3; |
| 2043 | cp = cp + strspn(cp, " \t"); |
| 2044 | if (ssh_krl_revoke_cert_by_key_id(krl, ca, cp) != 0) |
| 2045 | fatal("%s: revoke key ID failed", __func__); |
| 2046 | } else { |
| 2047 | if (strncasecmp(cp, "key:", 4) == 0) { |
| 2048 | cp += 4; |
| 2049 | cp = cp + strspn(cp, " \t"); |
| 2050 | was_explicit_key = 1; |
| 2051 | } else if (strncasecmp(cp, "sha1:", 5) == 0) { |
| 2052 | cp += 5; |
| 2053 | cp = cp + strspn(cp, " \t"); |
| 2054 | was_sha1 = 1; |
| 2055 | } else { |
| 2056 | /* |
| 2057 | * Just try to process the line as a key. |
| 2058 | * Parsing will fail if it isn't. |
| 2059 | */ |
| 2060 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2061 | if ((key = sshkey_new(KEY_UNSPEC)) == NULL) |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2062 | fatal("key_new"); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2063 | if ((r = sshkey_read(key, &cp)) != 0) |
| 2064 | fatal("%s:%lu: invalid key: %s", |
| 2065 | path, lnum, ssh_err(r)); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2066 | if (was_explicit_key) |
| 2067 | r = ssh_krl_revoke_key_explicit(krl, key); |
| 2068 | else if (was_sha1) |
| 2069 | r = ssh_krl_revoke_key_sha1(krl, key); |
| 2070 | else |
| 2071 | r = ssh_krl_revoke_key(krl, key); |
| 2072 | if (r != 0) |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2073 | fatal("%s: revoke key failed: %s", |
| 2074 | __func__, ssh_err(r)); |
| 2075 | sshkey_free(key); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2076 | } |
| 2077 | } |
| 2078 | if (strcmp(path, "-") != 0) |
| 2079 | fclose(krl_spec); |
Damien Miller | 0d6771b | 2013-04-23 15:23:24 +1000 | [diff] [blame] | 2080 | free(path); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2081 | } |
| 2082 | |
| 2083 | static void |
| 2084 | do_gen_krl(struct passwd *pw, int updating, int argc, char **argv) |
| 2085 | { |
| 2086 | struct ssh_krl *krl; |
| 2087 | struct stat sb; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2088 | struct sshkey *ca = NULL; |
djm@openbsd.org | 669aee9 | 2015-01-30 01:10:33 +0000 | [diff] [blame] | 2089 | int fd, i, r, wild_ca = 0; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2090 | char *tmp; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2091 | struct sshbuf *kbuf; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2092 | |
| 2093 | if (*identity_file == '\0') |
| 2094 | fatal("KRL generation requires an output file"); |
| 2095 | if (stat(identity_file, &sb) == -1) { |
| 2096 | if (errno != ENOENT) |
| 2097 | fatal("Cannot access KRL \"%s\": %s", |
| 2098 | identity_file, strerror(errno)); |
| 2099 | if (updating) |
| 2100 | fatal("KRL \"%s\" does not exist", identity_file); |
| 2101 | } |
| 2102 | if (ca_key_path != NULL) { |
djm@openbsd.org | 669aee9 | 2015-01-30 01:10:33 +0000 | [diff] [blame] | 2103 | if (strcasecmp(ca_key_path, "none") == 0) |
| 2104 | wild_ca = 1; |
| 2105 | else { |
| 2106 | tmp = tilde_expand_filename(ca_key_path, pw->pw_uid); |
| 2107 | if ((r = sshkey_load_public(tmp, &ca, NULL)) != 0) |
| 2108 | fatal("Cannot load CA public key %s: %s", |
| 2109 | tmp, ssh_err(r)); |
| 2110 | free(tmp); |
| 2111 | } |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2112 | } |
| 2113 | |
| 2114 | if (updating) |
| 2115 | load_krl(identity_file, &krl); |
| 2116 | else if ((krl = ssh_krl_init()) == NULL) |
| 2117 | fatal("couldn't create KRL"); |
| 2118 | |
| 2119 | if (cert_serial != 0) |
| 2120 | ssh_krl_set_version(krl, cert_serial); |
| 2121 | if (identity_comment != NULL) |
| 2122 | ssh_krl_set_comment(krl, identity_comment); |
| 2123 | |
| 2124 | for (i = 0; i < argc; i++) |
djm@openbsd.org | 669aee9 | 2015-01-30 01:10:33 +0000 | [diff] [blame] | 2125 | update_krl_from_file(pw, argv[i], wild_ca, ca, krl); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2126 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2127 | if ((kbuf = sshbuf_new()) == NULL) |
| 2128 | fatal("sshbuf_new failed"); |
| 2129 | if (ssh_krl_to_blob(krl, kbuf, NULL, 0) != 0) |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2130 | fatal("Couldn't generate KRL"); |
| 2131 | if ((fd = open(identity_file, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1) |
| 2132 | fatal("open %s: %s", identity_file, strerror(errno)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2133 | if (atomicio(vwrite, fd, (void *)sshbuf_ptr(kbuf), sshbuf_len(kbuf)) != |
| 2134 | sshbuf_len(kbuf)) |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2135 | fatal("write %s: %s", identity_file, strerror(errno)); |
| 2136 | close(fd); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2137 | sshbuf_free(kbuf); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2138 | ssh_krl_free(krl); |
Damien Miller | 0d6771b | 2013-04-23 15:23:24 +1000 | [diff] [blame] | 2139 | if (ca != NULL) |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2140 | sshkey_free(ca); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2141 | } |
| 2142 | |
| 2143 | static void |
| 2144 | do_check_krl(struct passwd *pw, int argc, char **argv) |
| 2145 | { |
| 2146 | int i, r, ret = 0; |
| 2147 | char *comment; |
| 2148 | struct ssh_krl *krl; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2149 | struct sshkey *k; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2150 | |
| 2151 | if (*identity_file == '\0') |
| 2152 | fatal("KRL checking requires an input file"); |
| 2153 | load_krl(identity_file, &krl); |
| 2154 | for (i = 0; i < argc; i++) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2155 | if ((r = sshkey_load_public(argv[i], &k, &comment)) != 0) |
| 2156 | fatal("Cannot load public key %s: %s", |
| 2157 | argv[i], ssh_err(r)); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2158 | r = ssh_krl_check_key(krl, k); |
| 2159 | printf("%s%s%s%s: %s\n", argv[i], |
| 2160 | *comment ? " (" : "", comment, *comment ? ")" : "", |
| 2161 | r == 0 ? "ok" : "REVOKED"); |
| 2162 | if (r != 0) |
| 2163 | ret = 1; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2164 | sshkey_free(k); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2165 | free(comment); |
| 2166 | } |
| 2167 | ssh_krl_free(krl); |
| 2168 | exit(ret); |
| 2169 | } |
| 2170 | |
| 2171 | static void |
Damien Miller | 431f66b | 1999-11-21 18:31:57 +1100 | [diff] [blame] | 2172 | usage(void) |
| 2173 | { |
Damien Miller | f0858de | 2014-04-20 13:01:30 +1000 | [diff] [blame] | 2174 | fprintf(stderr, |
| 2175 | "usage: ssh-keygen [-q] [-b bits] [-t dsa | ecdsa | ed25519 | rsa | rsa1]\n" |
| 2176 | " [-N new_passphrase] [-C comment] [-f output_keyfile]\n" |
| 2177 | " ssh-keygen -p [-P old_passphrase] [-N new_passphrase] [-f keyfile]\n" |
| 2178 | " ssh-keygen -i [-m key_format] [-f input_keyfile]\n" |
| 2179 | " ssh-keygen -e [-m key_format] [-f input_keyfile]\n" |
| 2180 | " ssh-keygen -y [-f input_keyfile]\n" |
| 2181 | " ssh-keygen -c [-P passphrase] [-C comment] [-f keyfile]\n" |
naddy@openbsd.org | 6288e3a | 2015-02-24 15:24:05 +0000 | [diff] [blame] | 2182 | " ssh-keygen -l [-v] [-E fingerprint_hash] [-f input_keyfile]\n" |
Damien Miller | f0858de | 2014-04-20 13:01:30 +1000 | [diff] [blame] | 2183 | " ssh-keygen -B [-f input_keyfile]\n"); |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 2184 | #ifdef ENABLE_PKCS11 |
Damien Miller | f0858de | 2014-04-20 13:01:30 +1000 | [diff] [blame] | 2185 | fprintf(stderr, |
| 2186 | " ssh-keygen -D pkcs11\n"); |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 2187 | #endif |
Damien Miller | f0858de | 2014-04-20 13:01:30 +1000 | [diff] [blame] | 2188 | fprintf(stderr, |
| 2189 | " ssh-keygen -F hostname [-f known_hosts_file] [-l]\n" |
| 2190 | " ssh-keygen -H [-f known_hosts_file]\n" |
| 2191 | " ssh-keygen -R hostname [-f known_hosts_file]\n" |
| 2192 | " ssh-keygen -r hostname [-f input_keyfile] [-g]\n" |
| 2193 | " ssh-keygen -G output_file [-v] [-b bits] [-M memory] [-S start_point]\n" |
| 2194 | " ssh-keygen -T output_file -f input_file [-v] [-a rounds] [-J num_lines]\n" |
| 2195 | " [-j start_line] [-K checkpt] [-W generator]\n" |
| 2196 | " ssh-keygen -s ca_key -I certificate_identity [-h] [-n principals]\n" |
| 2197 | " [-O option] [-V validity_interval] [-z serial_number] file ...\n" |
| 2198 | " ssh-keygen -L [-f input_keyfile]\n" |
| 2199 | " ssh-keygen -A\n" |
| 2200 | " ssh-keygen -k -f krl_file [-u] [-s ca_public] [-z version_number]\n" |
| 2201 | " file ...\n" |
| 2202 | " ssh-keygen -Q -f krl_file file ...\n"); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2203 | exit(1); |
Damien Miller | 431f66b | 1999-11-21 18:31:57 +1100 | [diff] [blame] | 2204 | } |
| 2205 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2206 | /* |
| 2207 | * Main program for key management. |
| 2208 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 2209 | int |
Damien Miller | df8b7db | 2007-01-05 16:22:57 +1100 | [diff] [blame] | 2210 | main(int argc, char **argv) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 2211 | { |
deraadt@openbsd.org | 2ae4f33 | 2015-01-16 06:40:12 +0000 | [diff] [blame] | 2212 | char dotsshdir[PATH_MAX], comment[1024], *passphrase1, *passphrase2; |
Damien Miller | 390d056 | 2011-10-18 16:05:19 +1100 | [diff] [blame] | 2213 | char *checkpoint = NULL; |
djm@openbsd.org | 9ce86c9 | 2015-01-28 22:36:00 +0000 | [diff] [blame] | 2214 | char out_file[PATH_MAX], *rr_hostname = NULL, *ep, *fp, *ra; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2215 | struct sshkey *private, *public; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2216 | struct passwd *pw; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2217 | struct stat st; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2218 | int r, opt, type, fd; |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 2219 | u_int32_t memory = 0, generator_wanted = 0; |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2220 | int do_gen_candidates = 0, do_screen_candidates = 0; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2221 | int gen_all_hostkeys = 0, gen_krl = 0, update_krl = 0, check_krl = 0; |
Damien Miller | dfceafe | 2012-07-06 13:44:19 +1000 | [diff] [blame] | 2222 | unsigned long start_lineno = 0, lines_to_process = 0; |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2223 | BIGNUM *start = NULL; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2224 | FILE *f; |
Damien Miller | 02e754f | 2005-05-26 12:19:39 +1000 | [diff] [blame] | 2225 | const char *errstr; |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 2226 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2227 | extern int optind; |
| 2228 | extern char *optarg; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 2229 | |
Darren Tucker | ce321d8 | 2005-10-03 18:11:24 +1000 | [diff] [blame] | 2230 | /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ |
| 2231 | sanitise_stdfd(); |
| 2232 | |
Darren Tucker | 9ac56e9 | 2007-01-14 10:19:59 +1100 | [diff] [blame] | 2233 | __progname = ssh_get_progname(argv[0]); |
Damien Miller | f9b625c | 2000-07-09 22:42:32 +1000 | [diff] [blame] | 2234 | |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 2235 | #ifdef WITH_OPENSSL |
Damien Miller | 4314c2b | 2010-09-10 11:12:09 +1000 | [diff] [blame] | 2236 | OpenSSL_add_all_algorithms(); |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 2237 | #endif |
Damien Miller | df8b7db | 2007-01-05 16:22:57 +1100 | [diff] [blame] | 2238 | log_init(argv[0], SYSLOG_LEVEL_INFO, SYSLOG_FACILITY_USER, 1); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2239 | |
Kevin Steves | 3a88191 | 2002-07-20 19:05:40 +0000 | [diff] [blame] | 2240 | seed_rng(); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2241 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 2242 | /* we need this for the home * directory. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2243 | pw = getpwuid(getuid()); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 2244 | if (!pw) |
| 2245 | fatal("No user exists for uid %lu", (u_long)getuid()); |
| 2246 | if (gethostname(hostname, sizeof(hostname)) < 0) |
| 2247 | fatal("gethostname: %s", strerror(errno)); |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 2248 | |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 2249 | /* Remaining characters: UYdw */ |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 2250 | while ((opt = getopt(argc, argv, "ABHLQXceghiklopquvxy" |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 2251 | "C:D:E:F:G:I:J:K:M:N:O:P:R:S:T:V:W:Z:" |
| 2252 | "a:b:f:g:j:m:n:r:s:t:z:")) != -1) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2253 | switch (opt) { |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 2254 | case 'A': |
| 2255 | gen_all_hostkeys = 1; |
| 2256 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2257 | case 'b': |
Damien Miller | 5773794 | 2010-09-10 11:16:37 +1000 | [diff] [blame] | 2258 | bits = (u_int32_t)strtonum(optarg, 256, 32768, &errstr); |
Damien Miller | 02e754f | 2005-05-26 12:19:39 +1000 | [diff] [blame] | 2259 | if (errstr) |
| 2260 | fatal("Bits has bad value %s (%s)", |
| 2261 | optarg, errstr); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2262 | break; |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 2263 | case 'E': |
| 2264 | fingerprint_hash = ssh_digest_alg_by_name(optarg); |
| 2265 | if (fingerprint_hash == -1) |
| 2266 | fatal("Invalid hash algorithm \"%s\"", optarg); |
| 2267 | break; |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 2268 | case 'F': |
| 2269 | find_host = 1; |
| 2270 | rr_hostname = optarg; |
| 2271 | break; |
| 2272 | case 'H': |
| 2273 | hash_hosts = 1; |
| 2274 | break; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2275 | case 'I': |
| 2276 | cert_key_id = optarg; |
| 2277 | break; |
Damien Miller | dfceafe | 2012-07-06 13:44:19 +1000 | [diff] [blame] | 2278 | case 'J': |
| 2279 | lines_to_process = strtoul(optarg, NULL, 10); |
| 2280 | break; |
| 2281 | case 'j': |
| 2282 | start_lineno = strtoul(optarg, NULL, 10); |
| 2283 | break; |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 2284 | case 'R': |
| 2285 | delete_host = 1; |
| 2286 | rr_hostname = optarg; |
| 2287 | break; |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 2288 | case 'L': |
| 2289 | show_cert = 1; |
| 2290 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2291 | case 'l': |
| 2292 | print_fingerprint = 1; |
| 2293 | break; |
Ben Lindstrom | 8fd372b | 2001-03-12 03:02:17 +0000 | [diff] [blame] | 2294 | case 'B': |
| 2295 | print_bubblebabble = 1; |
| 2296 | break; |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 2297 | case 'm': |
| 2298 | if (strcasecmp(optarg, "RFC4716") == 0 || |
| 2299 | strcasecmp(optarg, "ssh2") == 0) { |
| 2300 | convert_format = FMT_RFC4716; |
| 2301 | break; |
| 2302 | } |
| 2303 | if (strcasecmp(optarg, "PKCS8") == 0) { |
| 2304 | convert_format = FMT_PKCS8; |
| 2305 | break; |
| 2306 | } |
| 2307 | if (strcasecmp(optarg, "PEM") == 0) { |
| 2308 | convert_format = FMT_PEM; |
| 2309 | break; |
| 2310 | } |
| 2311 | fatal("Unsupported conversion format \"%s\"", optarg); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2312 | case 'n': |
| 2313 | cert_principals = optarg; |
| 2314 | break; |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 2315 | case 'o': |
| 2316 | use_new_format = 1; |
| 2317 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2318 | case 'p': |
| 2319 | change_passphrase = 1; |
| 2320 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2321 | case 'c': |
| 2322 | change_comment = 1; |
| 2323 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2324 | case 'f': |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 2325 | if (strlcpy(identity_file, optarg, sizeof(identity_file)) >= |
| 2326 | sizeof(identity_file)) |
| 2327 | fatal("Identity filename too long"); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2328 | have_identity = 1; |
| 2329 | break; |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 2330 | case 'g': |
| 2331 | print_generic = 1; |
| 2332 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2333 | case 'P': |
| 2334 | identity_passphrase = optarg; |
| 2335 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2336 | case 'N': |
| 2337 | identity_new_passphrase = optarg; |
| 2338 | break; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2339 | case 'Q': |
| 2340 | check_krl = 1; |
| 2341 | break; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2342 | case 'O': |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 2343 | add_cert_option(optarg); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2344 | break; |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 2345 | case 'Z': |
| 2346 | new_format_cipher = optarg; |
| 2347 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2348 | case 'C': |
| 2349 | identity_comment = optarg; |
| 2350 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2351 | case 'q': |
| 2352 | quiet = 1; |
| 2353 | break; |
Ben Lindstrom | 5a70782 | 2001-04-22 17:15:46 +0000 | [diff] [blame] | 2354 | case 'e': |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2355 | case 'x': |
Ben Lindstrom | 5a70782 | 2001-04-22 17:15:46 +0000 | [diff] [blame] | 2356 | /* export key */ |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 2357 | convert_to = 1; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2358 | break; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2359 | case 'h': |
| 2360 | cert_key_type = SSH2_CERT_TYPE_HOST; |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 2361 | certflags_flags = 0; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2362 | break; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2363 | case 'k': |
| 2364 | gen_krl = 1; |
| 2365 | break; |
Ben Lindstrom | 5a70782 | 2001-04-22 17:15:46 +0000 | [diff] [blame] | 2366 | case 'i': |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2367 | case 'X': |
Ben Lindstrom | 5a70782 | 2001-04-22 17:15:46 +0000 | [diff] [blame] | 2368 | /* import key */ |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 2369 | convert_from = 1; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2370 | break; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2371 | case 'y': |
| 2372 | print_public = 1; |
| 2373 | break; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2374 | case 's': |
| 2375 | ca_key_path = optarg; |
| 2376 | break; |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 2377 | case 't': |
| 2378 | key_type_name = optarg; |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 2379 | break; |
Ben Lindstrom | 8282d6a | 2001-08-06 21:44:05 +0000 | [diff] [blame] | 2380 | case 'D': |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 2381 | pkcs11provider = optarg; |
Ben Lindstrom | cd39228 | 2001-07-04 03:44:03 +0000 | [diff] [blame] | 2382 | break; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2383 | case 'u': |
| 2384 | update_krl = 1; |
| 2385 | break; |
Darren Tucker | 06930c7 | 2003-12-31 11:34:51 +1100 | [diff] [blame] | 2386 | case 'v': |
| 2387 | if (log_level == SYSLOG_LEVEL_INFO) |
| 2388 | log_level = SYSLOG_LEVEL_DEBUG1; |
| 2389 | else { |
Darren Tucker | fc95970 | 2004-07-17 16:12:08 +1000 | [diff] [blame] | 2390 | if (log_level >= SYSLOG_LEVEL_DEBUG1 && |
Darren Tucker | 06930c7 | 2003-12-31 11:34:51 +1100 | [diff] [blame] | 2391 | log_level < SYSLOG_LEVEL_DEBUG3) |
| 2392 | log_level++; |
| 2393 | } |
| 2394 | break; |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 2395 | case 'r': |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 2396 | rr_hostname = optarg; |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 2397 | break; |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2398 | case 'W': |
Damien Miller | 5f34006 | 2006-03-26 14:27:57 +1100 | [diff] [blame] | 2399 | generator_wanted = (u_int32_t)strtonum(optarg, 1, |
| 2400 | UINT_MAX, &errstr); |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 2401 | if (errstr) |
| 2402 | fatal("Desired generator has bad value: %s (%s)", |
| 2403 | optarg, errstr); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2404 | break; |
| 2405 | case 'a': |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 2406 | rounds = (int)strtonum(optarg, 1, INT_MAX, &errstr); |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 2407 | if (errstr) |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 2408 | fatal("Invalid number: %s (%s)", |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 2409 | optarg, errstr); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2410 | break; |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 2411 | #ifdef WITH_OPENSSL |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2412 | case 'M': |
Damien Miller | 5f34006 | 2006-03-26 14:27:57 +1100 | [diff] [blame] | 2413 | memory = (u_int32_t)strtonum(optarg, 1, UINT_MAX, &errstr); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 2414 | if (errstr) |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 2415 | fatal("Memory limit is %s: %s", errstr, optarg); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2416 | break; |
| 2417 | case 'G': |
| 2418 | do_gen_candidates = 1; |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 2419 | if (strlcpy(out_file, optarg, sizeof(out_file)) >= |
| 2420 | sizeof(out_file)) |
| 2421 | fatal("Output filename too long"); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2422 | break; |
| 2423 | case 'T': |
| 2424 | do_screen_candidates = 1; |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 2425 | if (strlcpy(out_file, optarg, sizeof(out_file)) >= |
| 2426 | sizeof(out_file)) |
| 2427 | fatal("Output filename too long"); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2428 | break; |
Damien Miller | 390d056 | 2011-10-18 16:05:19 +1100 | [diff] [blame] | 2429 | case 'K': |
deraadt@openbsd.org | 2ae4f33 | 2015-01-16 06:40:12 +0000 | [diff] [blame] | 2430 | if (strlen(optarg) >= PATH_MAX) |
Damien Miller | 390d056 | 2011-10-18 16:05:19 +1100 | [diff] [blame] | 2431 | fatal("Checkpoint filename too long"); |
| 2432 | checkpoint = xstrdup(optarg); |
| 2433 | break; |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2434 | case 'S': |
| 2435 | /* XXX - also compare length against bits */ |
| 2436 | if (BN_hex2bn(&start, optarg) == 0) |
| 2437 | fatal("Invalid start point."); |
| 2438 | break; |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 2439 | #endif /* WITH_OPENSSL */ |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2440 | case 'V': |
| 2441 | parse_cert_times(optarg); |
| 2442 | break; |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 2443 | case 'z': |
Damien Miller | 6f3b362 | 2012-11-14 19:04:33 +1100 | [diff] [blame] | 2444 | errno = 0; |
| 2445 | cert_serial = strtoull(optarg, &ep, 10); |
| 2446 | if (*optarg < '0' || *optarg > '9' || *ep != '\0' || |
| 2447 | (errno == ERANGE && cert_serial == ULLONG_MAX)) |
| 2448 | fatal("Invalid serial number \"%s\"", optarg); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 2449 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2450 | case '?': |
| 2451 | default: |
| 2452 | usage(); |
| 2453 | } |
| 2454 | } |
Darren Tucker | 06930c7 | 2003-12-31 11:34:51 +1100 | [diff] [blame] | 2455 | |
| 2456 | /* reinit */ |
Damien Miller | df8b7db | 2007-01-05 16:22:57 +1100 | [diff] [blame] | 2457 | log_init(argv[0], log_level, SYSLOG_FACILITY_USER, 1); |
Darren Tucker | 06930c7 | 2003-12-31 11:34:51 +1100 | [diff] [blame] | 2458 | |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2459 | argv += optind; |
| 2460 | argc -= optind; |
| 2461 | |
| 2462 | if (ca_key_path != NULL) { |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2463 | if (argc < 1 && !gen_krl) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 2464 | error("Too few arguments."); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2465 | usage(); |
| 2466 | } |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2467 | } else if (argc > 0 && !gen_krl && !check_krl) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 2468 | error("Too many arguments."); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2469 | usage(); |
| 2470 | } |
| 2471 | if (change_passphrase && change_comment) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 2472 | error("Can only have one of -p and -c."); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2473 | usage(); |
| 2474 | } |
Darren Tucker | 0f7e910 | 2008-06-08 12:54:29 +1000 | [diff] [blame] | 2475 | if (print_fingerprint && (delete_host || hash_hosts)) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 2476 | error("Cannot use -l with -H or -R."); |
Darren Tucker | 0f7e910 | 2008-06-08 12:54:29 +1000 | [diff] [blame] | 2477 | usage(); |
| 2478 | } |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2479 | if (gen_krl) { |
| 2480 | do_gen_krl(pw, update_krl, argc, argv); |
| 2481 | return (0); |
| 2482 | } |
| 2483 | if (check_krl) { |
| 2484 | do_check_krl(pw, argc, argv); |
| 2485 | return (0); |
| 2486 | } |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2487 | if (ca_key_path != NULL) { |
| 2488 | if (cert_key_id == NULL) |
| 2489 | fatal("Must specify key id (-I) when certifying"); |
| 2490 | do_ca_sign(pw, argc, argv); |
| 2491 | } |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 2492 | if (show_cert) |
| 2493 | do_show_cert(pw); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 2494 | if (delete_host || hash_hosts || find_host) |
| 2495 | do_known_hosts(pw, rr_hostname); |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 2496 | if (pkcs11provider != NULL) |
| 2497 | do_download(pw); |
Ben Lindstrom | 8fd372b | 2001-03-12 03:02:17 +0000 | [diff] [blame] | 2498 | if (print_fingerprint || print_bubblebabble) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2499 | do_fingerprint(pw); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2500 | if (change_passphrase) |
| 2501 | do_change_passphrase(pw); |
Damien Miller | 4a10d2e | 2002-03-11 22:53:29 +1100 | [diff] [blame] | 2502 | if (change_comment) |
| 2503 | do_change_comment(pw); |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 2504 | #ifdef WITH_OPENSSL |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 2505 | if (convert_to) |
| 2506 | do_convert_to(pw); |
| 2507 | if (convert_from) |
| 2508 | do_convert_from(pw); |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 2509 | #endif |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2510 | if (print_public) |
| 2511 | do_print_public(pw); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 2512 | if (rr_hostname != NULL) { |
Damien Miller | cb31482 | 2006-03-26 13:48:01 +1100 | [diff] [blame] | 2513 | unsigned int n = 0; |
| 2514 | |
| 2515 | if (have_identity) { |
| 2516 | n = do_print_resource_record(pw, |
| 2517 | identity_file, rr_hostname); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 2518 | if (n == 0) |
| 2519 | fatal("%s: %s", identity_file, strerror(errno)); |
Damien Miller | cb31482 | 2006-03-26 13:48:01 +1100 | [diff] [blame] | 2520 | exit(0); |
| 2521 | } else { |
| 2522 | |
| 2523 | n += do_print_resource_record(pw, |
| 2524 | _PATH_HOST_RSA_KEY_FILE, rr_hostname); |
| 2525 | n += do_print_resource_record(pw, |
| 2526 | _PATH_HOST_DSA_KEY_FILE, rr_hostname); |
Damien Miller | 3bde12a | 2012-06-20 21:51:11 +1000 | [diff] [blame] | 2527 | n += do_print_resource_record(pw, |
| 2528 | _PATH_HOST_ECDSA_KEY_FILE, rr_hostname); |
Damien Miller | 16cd392 | 2014-05-15 13:45:58 +1000 | [diff] [blame] | 2529 | n += do_print_resource_record(pw, |
| 2530 | _PATH_HOST_ED25519_KEY_FILE, rr_hostname); |
Damien Miller | cb31482 | 2006-03-26 13:48:01 +1100 | [diff] [blame] | 2531 | if (n == 0) |
| 2532 | fatal("no keys found."); |
| 2533 | exit(0); |
| 2534 | } |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 2535 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2536 | |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2537 | if (do_gen_candidates) { |
| 2538 | FILE *out = fopen(out_file, "w"); |
Damien Miller | 787b2ec | 2003-11-21 23:56:47 +1100 | [diff] [blame] | 2539 | |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2540 | if (out == NULL) { |
| 2541 | error("Couldn't open modulus candidate file \"%s\": %s", |
| 2542 | out_file, strerror(errno)); |
| 2543 | return (1); |
| 2544 | } |
Damien Miller | 3f54a9f | 2005-11-05 14:52:18 +1100 | [diff] [blame] | 2545 | if (bits == 0) |
| 2546 | bits = DEFAULT_BITS; |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2547 | if (gen_candidates(out, memory, bits, start) != 0) |
Damien Miller | 15d72a0 | 2005-11-05 15:07:33 +1100 | [diff] [blame] | 2548 | fatal("modulus candidate generation failed"); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2549 | |
| 2550 | return (0); |
| 2551 | } |
| 2552 | |
| 2553 | if (do_screen_candidates) { |
| 2554 | FILE *in; |
Damien Miller | 78d2271 | 2013-02-12 11:03:36 +1100 | [diff] [blame] | 2555 | FILE *out = fopen(out_file, "a"); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2556 | |
| 2557 | if (have_identity && strcmp(identity_file, "-") != 0) { |
| 2558 | if ((in = fopen(identity_file, "r")) == NULL) { |
| 2559 | fatal("Couldn't open modulus candidate " |
Damien Miller | a8e06ce | 2003-11-21 23:48:55 +1100 | [diff] [blame] | 2560 | "file \"%s\": %s", identity_file, |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2561 | strerror(errno)); |
| 2562 | } |
| 2563 | } else |
| 2564 | in = stdin; |
| 2565 | |
| 2566 | if (out == NULL) { |
| 2567 | fatal("Couldn't open moduli file \"%s\": %s", |
| 2568 | out_file, strerror(errno)); |
| 2569 | } |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 2570 | if (prime_test(in, out, rounds == 0 ? 100 : rounds, |
| 2571 | generator_wanted, checkpoint, |
Damien Miller | dfceafe | 2012-07-06 13:44:19 +1000 | [diff] [blame] | 2572 | start_lineno, lines_to_process) != 0) |
Damien Miller | 15d72a0 | 2005-11-05 15:07:33 +1100 | [diff] [blame] | 2573 | fatal("modulus screening failed"); |
Darren Tucker | f4220e6 | 2003-08-21 16:44:07 +1000 | [diff] [blame] | 2574 | return (0); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2575 | } |
| 2576 | |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 2577 | if (gen_all_hostkeys) { |
| 2578 | do_gen_all_hostkeys(pw); |
| 2579 | return (0); |
| 2580 | } |
| 2581 | |
Damien Miller | f14be5c | 2005-11-05 15:15:49 +1100 | [diff] [blame] | 2582 | if (key_type_name == NULL) |
| 2583 | key_type_name = "rsa"; |
| 2584 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2585 | type = sshkey_type_from_name(key_type_name); |
djm@openbsd.org | 7efb455 | 2015-01-18 13:22:28 +0000 | [diff] [blame] | 2586 | type_bits_valid(type, key_type_name, &bits); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 2587 | |
Darren Tucker | 3af2ac5 | 2005-11-29 13:10:24 +1100 | [diff] [blame] | 2588 | if (!quiet) |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2589 | printf("Generating public/private %s key pair.\n", |
| 2590 | key_type_name); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 2591 | if ((r = sshkey_generate(type, bits, &private)) != 0) |
| 2592 | fatal("key_generate failed"); |
| 2593 | if ((r = sshkey_from_private(private, &public)) != 0) |
| 2594 | fatal("key_from_private failed: %s\n", ssh_err(r)); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2595 | |
| 2596 | if (!have_identity) |
| 2597 | ask_filename(pw, "Enter file in which to save the key"); |
| 2598 | |
Damien Miller | 788f212 | 2005-11-05 15:14:59 +1100 | [diff] [blame] | 2599 | /* Create ~/.ssh directory if it doesn't already exist. */ |
Damien Miller | 50af79b | 2010-05-10 11:52:00 +1000 | [diff] [blame] | 2600 | snprintf(dotsshdir, sizeof dotsshdir, "%s/%s", |
| 2601 | pw->pw_dir, _PATH_SSH_USER_DIR); |
| 2602 | if (strstr(identity_file, dotsshdir) != NULL) { |
| 2603 | if (stat(dotsshdir, &st) < 0) { |
| 2604 | if (errno != ENOENT) { |
| 2605 | error("Could not stat %s: %s", dotsshdir, |
| 2606 | strerror(errno)); |
| 2607 | } else if (mkdir(dotsshdir, 0700) < 0) { |
| 2608 | error("Could not create directory '%s': %s", |
| 2609 | dotsshdir, strerror(errno)); |
| 2610 | } else if (!quiet) |
| 2611 | printf("Created directory '%s'.\n", dotsshdir); |
| 2612 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2613 | } |
| 2614 | /* If the file already exists, ask the user to confirm. */ |
| 2615 | if (stat(identity_file, &st) >= 0) { |
| 2616 | char yesno[3]; |
| 2617 | printf("%s already exists.\n", identity_file); |
| 2618 | printf("Overwrite (y/n)? "); |
| 2619 | fflush(stdout); |
| 2620 | if (fgets(yesno, sizeof(yesno), stdin) == NULL) |
| 2621 | exit(1); |
| 2622 | if (yesno[0] != 'y' && yesno[0] != 'Y') |
| 2623 | exit(1); |
| 2624 | } |
| 2625 | /* Ask for a passphrase (twice). */ |
| 2626 | if (identity_passphrase) |
| 2627 | passphrase1 = xstrdup(identity_passphrase); |
| 2628 | else if (identity_new_passphrase) |
| 2629 | passphrase1 = xstrdup(identity_new_passphrase); |
| 2630 | else { |
| 2631 | passphrase_again: |
| 2632 | passphrase1 = |
Ben Lindstrom | 949974b | 2001-06-25 05:20:31 +0000 | [diff] [blame] | 2633 | read_passphrase("Enter passphrase (empty for no " |
| 2634 | "passphrase): ", RP_ALLOW_STDIN); |
| 2635 | passphrase2 = read_passphrase("Enter same passphrase again: ", |
| 2636 | RP_ALLOW_STDIN); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2637 | if (strcmp(passphrase1, passphrase2) != 0) { |
Ben Lindstrom | 949974b | 2001-06-25 05:20:31 +0000 | [diff] [blame] | 2638 | /* |
| 2639 | * The passphrases do not match. Clear them and |
| 2640 | * retry. |
| 2641 | */ |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 2642 | explicit_bzero(passphrase1, strlen(passphrase1)); |
| 2643 | explicit_bzero(passphrase2, strlen(passphrase2)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 2644 | free(passphrase1); |
| 2645 | free(passphrase2); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2646 | printf("Passphrases do not match. Try again.\n"); |
| 2647 | goto passphrase_again; |
| 2648 | } |
| 2649 | /* Clear the other copy of the passphrase. */ |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 2650 | explicit_bzero(passphrase2, strlen(passphrase2)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 2651 | free(passphrase2); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2652 | } |
| 2653 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2654 | if (identity_comment) { |
| 2655 | strlcpy(comment, identity_comment, sizeof(comment)); |
| 2656 | } else { |
Darren Tucker | e15fb09 | 2008-11-11 16:31:43 +1100 | [diff] [blame] | 2657 | /* Create default comment field for the passphrase. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2658 | snprintf(comment, sizeof comment, "%s@%s", pw->pw_name, hostname); |
| 2659 | } |
| 2660 | |
| 2661 | /* Save the key with the given passphrase and comment. */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2662 | if ((r = sshkey_save_private(private, identity_file, passphrase1, |
| 2663 | comment, use_new_format, new_format_cipher, rounds)) != 0) { |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 2664 | error("Saving key \"%s\" failed: %s", |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2665 | identity_file, ssh_err(r)); |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 2666 | explicit_bzero(passphrase1, strlen(passphrase1)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 2667 | free(passphrase1); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2668 | exit(1); |
| 2669 | } |
| 2670 | /* Clear the passphrase. */ |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 2671 | explicit_bzero(passphrase1, strlen(passphrase1)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 2672 | free(passphrase1); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2673 | |
| 2674 | /* Clear the private key and the random number generator. */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2675 | sshkey_free(private); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2676 | |
| 2677 | if (!quiet) |
| 2678 | printf("Your identification has been saved in %s.\n", identity_file); |
| 2679 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2680 | strlcat(identity_file, ".pub", sizeof(identity_file)); |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 2681 | if ((fd = open(identity_file, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1) |
| 2682 | fatal("Unable to save public key to %s: %s", |
| 2683 | identity_file, strerror(errno)); |
| 2684 | if ((f = fdopen(fd, "w")) == NULL) |
| 2685 | fatal("fdopen %s failed: %s", identity_file, strerror(errno)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2686 | if ((r = sshkey_write(public, f)) != 0) |
djm@openbsd.org | 3038a19 | 2015-04-17 13:19:22 +0000 | [diff] [blame] | 2687 | error("write key failed: %s", ssh_err(r)); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2688 | fprintf(f, " %s\n", comment); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2689 | fclose(f); |
| 2690 | |
| 2691 | if (!quiet) { |
djm@openbsd.org | 9ce86c9 | 2015-01-28 22:36:00 +0000 | [diff] [blame] | 2692 | fp = sshkey_fingerprint(public, fingerprint_hash, |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 2693 | SSH_FP_DEFAULT); |
djm@openbsd.org | 9ce86c9 | 2015-01-28 22:36:00 +0000 | [diff] [blame] | 2694 | ra = sshkey_fingerprint(public, fingerprint_hash, |
Darren Tucker | 9c16ac9 | 2008-06-13 04:40:35 +1000 | [diff] [blame] | 2695 | SSH_FP_RANDOMART); |
djm@openbsd.org | 9ce86c9 | 2015-01-28 22:36:00 +0000 | [diff] [blame] | 2696 | if (fp == NULL || ra == NULL) |
| 2697 | fatal("sshkey_fingerprint failed"); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2698 | printf("Your public key has been saved in %s.\n", |
| 2699 | identity_file); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2700 | printf("The key fingerprint is:\n"); |
Ben Lindstrom | cfccef9 | 2001-03-13 04:57:58 +0000 | [diff] [blame] | 2701 | printf("%s %s\n", fp, comment); |
Darren Tucker | 9c16ac9 | 2008-06-13 04:40:35 +1000 | [diff] [blame] | 2702 | printf("The key's randomart image is:\n"); |
| 2703 | printf("%s\n", ra); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 2704 | free(ra); |
| 2705 | free(fp); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2706 | } |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2707 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2708 | sshkey_free(public); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2709 | exit(0); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 2710 | } |