djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1 | /* $OpenBSD: ssh-keygen.c,v 1.256 2015/01/18 21:49:42 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 |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 186 | u_int maxbits; |
djm@openbsd.org | 7efb455 | 2015-01-18 13:22:28 +0000 | [diff] [blame] | 187 | int nid; |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 188 | #endif |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 189 | |
| 190 | if (type == KEY_UNSPEC) { |
| 191 | fprintf(stderr, "unknown key type %s\n", key_type_name); |
| 192 | exit(1); |
| 193 | } |
Damien Miller | 884b63a | 2011-05-05 14:14:52 +1000 | [diff] [blame] | 194 | if (*bitsp == 0) { |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 195 | if (type == KEY_DSA) |
Damien Miller | 884b63a | 2011-05-05 14:14:52 +1000 | [diff] [blame] | 196 | *bitsp = DEFAULT_BITS_DSA; |
djm@openbsd.org | 7efb455 | 2015-01-18 13:22:28 +0000 | [diff] [blame] | 197 | else if (type == KEY_ECDSA) { |
| 198 | if (name != NULL && |
| 199 | (nid = sshkey_ecdsa_nid_from_name(name)) > 0) |
| 200 | *bitsp = sshkey_curve_nid_to_bits(nid); |
| 201 | if (*bitsp == 0) |
| 202 | *bitsp = DEFAULT_BITS_ECDSA; |
| 203 | } |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 204 | else |
Damien Miller | 884b63a | 2011-05-05 14:14:52 +1000 | [diff] [blame] | 205 | *bitsp = DEFAULT_BITS; |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 206 | } |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 207 | #ifdef WITH_OPENSSL |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 208 | maxbits = (type == KEY_DSA) ? |
| 209 | OPENSSL_DSA_MAX_MODULUS_BITS : OPENSSL_RSA_MAX_MODULUS_BITS; |
Damien Miller | 884b63a | 2011-05-05 14:14:52 +1000 | [diff] [blame] | 210 | if (*bitsp > maxbits) { |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 211 | fprintf(stderr, "key bits exceeds maximum %d\n", maxbits); |
| 212 | exit(1); |
| 213 | } |
Damien Miller | 884b63a | 2011-05-05 14:14:52 +1000 | [diff] [blame] | 214 | if (type == KEY_DSA && *bitsp != 1024) |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 215 | fatal("DSA keys must be 1024 bits"); |
Damien Miller | 5be9d9e | 2013-12-07 11:24:01 +1100 | [diff] [blame] | 216 | else if (type != KEY_ECDSA && type != KEY_ED25519 && *bitsp < 768) |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 217 | fatal("Key must at least be 768 bits"); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 218 | else if (type == KEY_ECDSA && sshkey_ecdsa_bits_to_nid(*bitsp) == -1) |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 219 | fatal("Invalid ECDSA key length - valid lengths are " |
| 220 | "256, 384 or 521 bits"); |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 221 | #endif |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 222 | } |
| 223 | |
| 224 | static void |
Damien Miller | 431f66b | 1999-11-21 18:31:57 +1100 | [diff] [blame] | 225 | ask_filename(struct passwd *pw, const char *prompt) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 226 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 227 | char buf[1024]; |
Damien Miller | e39cacc | 2000-11-29 12:18:44 +1100 | [diff] [blame] | 228 | char *name = NULL; |
| 229 | |
Damien Miller | 993dd55 | 2002-02-19 15:22:47 +1100 | [diff] [blame] | 230 | if (key_type_name == NULL) |
Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 231 | name = _PATH_SSH_CLIENT_ID_RSA; |
Damien Miller | 9096740 | 2006-03-26 14:07:26 +1100 | [diff] [blame] | 232 | else { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 233 | switch (sshkey_type_from_name(key_type_name)) { |
Damien Miller | 993dd55 | 2002-02-19 15:22:47 +1100 | [diff] [blame] | 234 | case KEY_RSA1: |
| 235 | name = _PATH_SSH_CLIENT_IDENTITY; |
| 236 | break; |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 237 | case KEY_DSA_CERT: |
| 238 | case KEY_DSA_CERT_V00: |
Damien Miller | 993dd55 | 2002-02-19 15:22:47 +1100 | [diff] [blame] | 239 | case KEY_DSA: |
| 240 | name = _PATH_SSH_CLIENT_ID_DSA; |
| 241 | break; |
Damien Miller | dd190dd | 2010-11-11 14:17:02 +1100 | [diff] [blame] | 242 | #ifdef OPENSSL_HAS_ECC |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 243 | case KEY_ECDSA_CERT: |
| 244 | case KEY_ECDSA: |
| 245 | name = _PATH_SSH_CLIENT_ID_ECDSA; |
| 246 | break; |
Damien Miller | dd190dd | 2010-11-11 14:17:02 +1100 | [diff] [blame] | 247 | #endif |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 248 | case KEY_RSA_CERT: |
| 249 | case KEY_RSA_CERT_V00: |
Damien Miller | 993dd55 | 2002-02-19 15:22:47 +1100 | [diff] [blame] | 250 | case KEY_RSA: |
| 251 | name = _PATH_SSH_CLIENT_ID_RSA; |
| 252 | break; |
Damien Miller | 5be9d9e | 2013-12-07 11:24:01 +1100 | [diff] [blame] | 253 | case KEY_ED25519: |
| 254 | case KEY_ED25519_CERT: |
| 255 | name = _PATH_SSH_CLIENT_ID_ED25519; |
| 256 | break; |
Damien Miller | 993dd55 | 2002-02-19 15:22:47 +1100 | [diff] [blame] | 257 | default: |
Damien Miller | 9eab956 | 2009-02-22 08:47:02 +1100 | [diff] [blame] | 258 | fprintf(stderr, "bad key type\n"); |
Damien Miller | 993dd55 | 2002-02-19 15:22:47 +1100 | [diff] [blame] | 259 | exit(1); |
| 260 | break; |
| 261 | } |
Damien Miller | 9096740 | 2006-03-26 14:07:26 +1100 | [diff] [blame] | 262 | } |
Damien Miller | e39cacc | 2000-11-29 12:18:44 +1100 | [diff] [blame] | 263 | snprintf(identity_file, sizeof(identity_file), "%s/%s", pw->pw_dir, name); |
Ben Lindstrom | 3deda8b | 2000-12-22 20:27:43 +0000 | [diff] [blame] | 264 | fprintf(stderr, "%s (%s): ", prompt, identity_file); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 265 | if (fgets(buf, sizeof(buf), stdin) == NULL) |
| 266 | exit(1); |
Damien Miller | 14b017d | 2007-09-17 16:09:15 +1000 | [diff] [blame] | 267 | buf[strcspn(buf, "\n")] = '\0'; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 268 | if (strcmp(buf, "") != 0) |
| 269 | strlcpy(identity_file, buf, sizeof(identity_file)); |
| 270 | have_identity = 1; |
Damien Miller | 10f6f6b | 1999-11-17 17:29:08 +1100 | [diff] [blame] | 271 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 272 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 273 | static struct sshkey * |
Ben Lindstrom | d78ae76 | 2001-06-05 20:35:09 +0000 | [diff] [blame] | 274 | load_identity(char *filename) |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 275 | { |
Ben Lindstrom | d0fca42 | 2001-03-26 13:44:06 +0000 | [diff] [blame] | 276 | char *pass; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 277 | struct sshkey *prv; |
| 278 | int r; |
Ben Lindstrom | d0fca42 | 2001-03-26 13:44:06 +0000 | [diff] [blame] | 279 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 280 | if ((r = sshkey_load_private(filename, "", &prv, NULL)) == 0) |
| 281 | return prv; |
| 282 | if (r != SSH_ERR_KEY_WRONG_PASSPHRASE) |
| 283 | fatal("Load key \"%s\": %s", filename, ssh_err(r)); |
| 284 | if (identity_passphrase) |
| 285 | pass = xstrdup(identity_passphrase); |
| 286 | else |
| 287 | pass = read_passphrase("Enter passphrase: ", RP_ALLOW_STDIN); |
| 288 | r = sshkey_load_private(filename, pass, &prv, NULL); |
| 289 | explicit_bzero(pass, strlen(pass)); |
| 290 | free(pass); |
| 291 | if (r != 0) |
| 292 | fatal("Load key \"%s\": %s", filename, ssh_err(r)); |
Ben Lindstrom | d0fca42 | 2001-03-26 13:44:06 +0000 | [diff] [blame] | 293 | return prv; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 294 | } |
| 295 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 296 | #define SSH_COM_PUBLIC_BEGIN "---- BEGIN SSH2 PUBLIC KEY ----" |
Ben Lindstrom | cb72e4f | 2002-06-21 00:41:51 +0000 | [diff] [blame] | 297 | #define SSH_COM_PUBLIC_END "---- END SSH2 PUBLIC KEY ----" |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 298 | #define SSH_COM_PRIVATE_BEGIN "---- BEGIN SSH2 ENCRYPTED PRIVATE KEY ----" |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 299 | #define SSH_COM_PRIVATE_KEY_MAGIC 0x3f6ff9eb |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 300 | |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 301 | #ifdef WITH_OPENSSL |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 302 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 303 | do_convert_to_ssh2(struct passwd *pw, struct sshkey *k) |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 304 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 305 | size_t len; |
Ben Lindstrom | 46c1622 | 2000-12-22 01:43:59 +0000 | [diff] [blame] | 306 | u_char *blob; |
Darren Tucker | d04758d | 2010-01-12 19:41:57 +1100 | [diff] [blame] | 307 | char comment[61]; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 308 | int r; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 309 | |
Damien Miller | a563cce | 2012-04-22 11:07:28 +1000 | [diff] [blame] | 310 | if (k->type == KEY_RSA1) { |
| 311 | fprintf(stderr, "version 1 keys are not supported\n"); |
| 312 | exit(1); |
| 313 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 314 | if ((r = sshkey_to_blob(k, &blob, &len)) != 0) { |
| 315 | fprintf(stderr, "key_to_blob failed: %s\n", ssh_err(r)); |
Ben Lindstrom | 99a30f1 | 2001-09-18 05:49:14 +0000 | [diff] [blame] | 316 | exit(1); |
| 317 | } |
Darren Tucker | d04758d | 2010-01-12 19:41:57 +1100 | [diff] [blame] | 318 | /* Comment + surrounds must fit into 72 chars (RFC 4716 sec 3.3) */ |
| 319 | snprintf(comment, sizeof(comment), |
| 320 | "%u-bit %s, converted by %s@%s from OpenSSH", |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 321 | sshkey_size(k), sshkey_type(k), |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 322 | pw->pw_name, hostname); |
Darren Tucker | d04758d | 2010-01-12 19:41:57 +1100 | [diff] [blame] | 323 | |
| 324 | fprintf(stdout, "%s\n", SSH_COM_PUBLIC_BEGIN); |
| 325 | fprintf(stdout, "Comment: \"%s\"\n", comment); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 326 | dump_base64(stdout, blob, len); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 327 | fprintf(stdout, "%s\n", SSH_COM_PUBLIC_END); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 328 | sshkey_free(k); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 329 | free(blob); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 330 | exit(0); |
| 331 | } |
| 332 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 333 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 334 | do_convert_to_pkcs8(struct sshkey *k) |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 335 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 336 | switch (sshkey_type_plain(k->type)) { |
Damien Miller | a563cce | 2012-04-22 11:07:28 +1000 | [diff] [blame] | 337 | case KEY_RSA1: |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 338 | case KEY_RSA: |
| 339 | if (!PEM_write_RSA_PUBKEY(stdout, k->rsa)) |
| 340 | fatal("PEM_write_RSA_PUBKEY failed"); |
| 341 | break; |
| 342 | case KEY_DSA: |
| 343 | if (!PEM_write_DSA_PUBKEY(stdout, k->dsa)) |
| 344 | fatal("PEM_write_DSA_PUBKEY failed"); |
| 345 | break; |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 346 | #ifdef OPENSSL_HAS_ECC |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 347 | case KEY_ECDSA: |
| 348 | if (!PEM_write_EC_PUBKEY(stdout, k->ecdsa)) |
| 349 | fatal("PEM_write_EC_PUBKEY failed"); |
| 350 | break; |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 351 | #endif |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 352 | default: |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 353 | fatal("%s: unsupported key type %s", __func__, sshkey_type(k)); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 354 | } |
| 355 | exit(0); |
| 356 | } |
| 357 | |
| 358 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 359 | do_convert_to_pem(struct sshkey *k) |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 360 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 361 | switch (sshkey_type_plain(k->type)) { |
Damien Miller | a563cce | 2012-04-22 11:07:28 +1000 | [diff] [blame] | 362 | case KEY_RSA1: |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 363 | case KEY_RSA: |
| 364 | if (!PEM_write_RSAPublicKey(stdout, k->rsa)) |
| 365 | fatal("PEM_write_RSAPublicKey failed"); |
| 366 | break; |
| 367 | #if notyet /* OpenSSH 0.9.8 lacks this function */ |
| 368 | case KEY_DSA: |
| 369 | if (!PEM_write_DSAPublicKey(stdout, k->dsa)) |
| 370 | fatal("PEM_write_DSAPublicKey failed"); |
| 371 | break; |
| 372 | #endif |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 373 | /* XXX ECDSA? */ |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 374 | default: |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 375 | fatal("%s: unsupported key type %s", __func__, sshkey_type(k)); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 376 | } |
| 377 | exit(0); |
| 378 | } |
| 379 | |
| 380 | static void |
| 381 | do_convert_to(struct passwd *pw) |
| 382 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 383 | struct sshkey *k; |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 384 | struct stat st; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 385 | int r; |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 386 | |
| 387 | if (!have_identity) |
| 388 | ask_filename(pw, "Enter file in which the key is"); |
| 389 | if (stat(identity_file, &st) < 0) |
| 390 | fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 391 | if ((r = sshkey_load_public(identity_file, &k, NULL)) != 0) |
| 392 | k = load_identity(identity_file); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 393 | switch (convert_format) { |
| 394 | case FMT_RFC4716: |
| 395 | do_convert_to_ssh2(pw, k); |
| 396 | break; |
| 397 | case FMT_PKCS8: |
| 398 | do_convert_to_pkcs8(k); |
| 399 | break; |
| 400 | case FMT_PEM: |
| 401 | do_convert_to_pem(k); |
| 402 | break; |
| 403 | default: |
| 404 | fatal("%s: unknown key format %d", __func__, convert_format); |
| 405 | } |
| 406 | exit(0); |
| 407 | } |
| 408 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 409 | /* |
| 410 | * This is almost exactly the bignum1 encoding, but with 32 bit for length |
| 411 | * instead of 16. |
| 412 | */ |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 413 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 414 | buffer_get_bignum_bits(struct sshbuf *b, BIGNUM *value) |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 415 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 416 | u_int bytes, bignum_bits; |
| 417 | int r; |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 418 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 419 | if ((r = sshbuf_get_u32(b, &bignum_bits)) != 0) |
| 420 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
| 421 | bytes = (bignum_bits + 7) / 8; |
| 422 | if (sshbuf_len(b) < bytes) |
| 423 | fatal("%s: input buffer too small: need %d have %zu", |
| 424 | __func__, bytes, sshbuf_len(b)); |
| 425 | if (BN_bin2bn(sshbuf_ptr(b), bytes, value) == NULL) |
| 426 | fatal("%s: BN_bin2bn failed", __func__); |
| 427 | if ((r = sshbuf_consume(b, bytes)) != 0) |
| 428 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 429 | } |
| 430 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 431 | static struct sshkey * |
Ben Lindstrom | 90fd814 | 2002-02-26 18:09:42 +0000 | [diff] [blame] | 432 | do_convert_private_ssh2_from_blob(u_char *blob, u_int blen) |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 433 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 434 | struct sshbuf *b; |
| 435 | struct sshkey *key = NULL; |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 436 | char *type, *cipher; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 437 | u_char e1, e2, e3, *sig = NULL, data[] = "abcde12345"; |
| 438 | int r, rlen, ktype; |
| 439 | u_int magic, i1, i2, i3, i4; |
| 440 | size_t slen; |
Ben Lindstrom | e586c4c | 2001-06-25 05:04:58 +0000 | [diff] [blame] | 441 | u_long e; |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 442 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 443 | if ((b = sshbuf_from(blob, blen)) == NULL) |
| 444 | fatal("%s: sshbuf_from failed", __func__); |
| 445 | if ((r = sshbuf_get_u32(b, &magic)) != 0) |
| 446 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 447 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 448 | if (magic != SSH_COM_PRIVATE_KEY_MAGIC) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 449 | error("bad magic 0x%x != 0x%x", magic, |
| 450 | SSH_COM_PRIVATE_KEY_MAGIC); |
| 451 | sshbuf_free(b); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 452 | return NULL; |
| 453 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 454 | if ((r = sshbuf_get_u32(b, &i1)) != 0 || |
| 455 | (r = sshbuf_get_cstring(b, &type, NULL)) != 0 || |
| 456 | (r = sshbuf_get_cstring(b, &cipher, NULL)) != 0 || |
| 457 | (r = sshbuf_get_u32(b, &i2)) != 0 || |
| 458 | (r = sshbuf_get_u32(b, &i3)) != 0 || |
| 459 | (r = sshbuf_get_u32(b, &i4)) != 0) |
| 460 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
Damien Miller | 8016390 | 2007-01-05 16:30:16 +1100 | [diff] [blame] | 461 | debug("ignore (%d %d %d %d)", i1, i2, i3, i4); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 462 | if (strcmp(cipher, "none") != 0) { |
| 463 | error("unsupported cipher %s", cipher); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 464 | free(cipher); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 465 | sshbuf_free(b); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 466 | free(type); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 467 | return NULL; |
| 468 | } |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 469 | free(cipher); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 470 | |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 471 | if (strstr(type, "dsa")) { |
| 472 | ktype = KEY_DSA; |
| 473 | } else if (strstr(type, "rsa")) { |
| 474 | ktype = KEY_RSA; |
| 475 | } else { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 476 | sshbuf_free(b); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 477 | free(type); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 478 | return NULL; |
| 479 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 480 | if ((key = sshkey_new_private(ktype)) == NULL) |
| 481 | fatal("key_new_private failed"); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 482 | free(type); |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 483 | |
| 484 | switch (key->type) { |
| 485 | case KEY_DSA: |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 486 | buffer_get_bignum_bits(b, key->dsa->p); |
| 487 | buffer_get_bignum_bits(b, key->dsa->g); |
| 488 | buffer_get_bignum_bits(b, key->dsa->q); |
| 489 | buffer_get_bignum_bits(b, key->dsa->pub_key); |
| 490 | buffer_get_bignum_bits(b, key->dsa->priv_key); |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 491 | break; |
| 492 | case KEY_RSA: |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 493 | if ((r = sshbuf_get_u8(b, &e1)) != 0 || |
| 494 | (e1 < 30 && (r = sshbuf_get_u8(b, &e2)) != 0) || |
| 495 | (e1 < 30 && (r = sshbuf_get_u8(b, &e3)) != 0)) |
| 496 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
| 497 | e = e1; |
Ben Lindstrom | 34f9188 | 2001-06-25 04:47:54 +0000 | [diff] [blame] | 498 | debug("e %lx", e); |
| 499 | if (e < 30) { |
| 500 | e <<= 8; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 501 | e += e2; |
Ben Lindstrom | 34f9188 | 2001-06-25 04:47:54 +0000 | [diff] [blame] | 502 | debug("e %lx", e); |
| 503 | e <<= 8; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 504 | e += e3; |
Ben Lindstrom | 34f9188 | 2001-06-25 04:47:54 +0000 | [diff] [blame] | 505 | debug("e %lx", e); |
| 506 | } |
| 507 | if (!BN_set_word(key->rsa->e, e)) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 508 | sshbuf_free(b); |
| 509 | sshkey_free(key); |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 510 | return NULL; |
| 511 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 512 | buffer_get_bignum_bits(b, key->rsa->d); |
| 513 | buffer_get_bignum_bits(b, key->rsa->n); |
| 514 | buffer_get_bignum_bits(b, key->rsa->iqmp); |
| 515 | buffer_get_bignum_bits(b, key->rsa->q); |
| 516 | buffer_get_bignum_bits(b, key->rsa->p); |
| 517 | if ((r = rsa_generate_additional_parameters(key->rsa)) != 0) |
| 518 | fatal("generate RSA parameters failed: %s", ssh_err(r)); |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 519 | break; |
| 520 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 521 | rlen = sshbuf_len(b); |
Ben Lindstrom | 1c37c6a | 2001-12-06 18:00:18 +0000 | [diff] [blame] | 522 | if (rlen != 0) |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 523 | error("do_convert_private_ssh2_from_blob: " |
| 524 | "remaining bytes in key blob %d", rlen); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 525 | sshbuf_free(b); |
Ben Lindstrom | d09fcf5 | 2001-03-29 00:29:54 +0000 | [diff] [blame] | 526 | |
Ben Lindstrom | e586c4c | 2001-06-25 05:04:58 +0000 | [diff] [blame] | 527 | /* try the key */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 528 | if (sshkey_sign(key, &sig, &slen, data, sizeof(data), 0) != 0 || |
| 529 | sshkey_verify(key, sig, slen, data, sizeof(data), 0) != 0) { |
| 530 | sshkey_free(key); |
| 531 | free(sig); |
| 532 | return NULL; |
| 533 | } |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 534 | free(sig); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 535 | return key; |
| 536 | } |
| 537 | |
Damien Miller | 8056a9d | 2006-03-15 12:05:40 +1100 | [diff] [blame] | 538 | static int |
| 539 | get_line(FILE *fp, char *line, size_t len) |
| 540 | { |
| 541 | int c; |
| 542 | size_t pos = 0; |
| 543 | |
| 544 | line[0] = '\0'; |
| 545 | while ((c = fgetc(fp)) != EOF) { |
| 546 | if (pos >= len - 1) { |
| 547 | fprintf(stderr, "input line too long.\n"); |
| 548 | exit(1); |
| 549 | } |
Damien Miller | 9096740 | 2006-03-26 14:07:26 +1100 | [diff] [blame] | 550 | switch (c) { |
Damien Miller | 8056a9d | 2006-03-15 12:05:40 +1100 | [diff] [blame] | 551 | case '\r': |
| 552 | c = fgetc(fp); |
| 553 | if (c != EOF && c != '\n' && ungetc(c, fp) == EOF) { |
| 554 | fprintf(stderr, "unget: %s\n", strerror(errno)); |
| 555 | exit(1); |
| 556 | } |
| 557 | return pos; |
| 558 | case '\n': |
| 559 | return pos; |
| 560 | } |
| 561 | line[pos++] = c; |
| 562 | line[pos] = '\0'; |
| 563 | } |
Damien Miller | 6c7439f | 2007-01-05 16:29:55 +1100 | [diff] [blame] | 564 | /* We reached EOF */ |
| 565 | return -1; |
Damien Miller | 8056a9d | 2006-03-15 12:05:40 +1100 | [diff] [blame] | 566 | } |
| 567 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 568 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 569 | do_convert_from_ssh2(struct passwd *pw, struct sshkey **k, int *private) |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 570 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 571 | int r, blen, escaped = 0; |
Ben Lindstrom | 155b981 | 2002-04-02 20:26:26 +0000 | [diff] [blame] | 572 | u_int len; |
Damien Miller | 8056a9d | 2006-03-15 12:05:40 +1100 | [diff] [blame] | 573 | char line[1024]; |
Ben Lindstrom | 9e0ddd4 | 2001-09-18 05:41:19 +0000 | [diff] [blame] | 574 | u_char blob[8096]; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 575 | char encoded[8096]; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 576 | FILE *fp; |
| 577 | |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 578 | if ((fp = fopen(identity_file, "r")) == NULL) |
| 579 | fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 580 | encoded[0] = '\0'; |
Damien Miller | 8056a9d | 2006-03-15 12:05:40 +1100 | [diff] [blame] | 581 | while ((blen = get_line(fp, line, sizeof(line))) != -1) { |
Damien Miller | 746d1a6 | 2013-07-18 16:13:02 +1000 | [diff] [blame] | 582 | if (blen > 0 && line[blen - 1] == '\\') |
Damien Miller | 30c3d42 | 2000-05-09 11:02:59 +1000 | [diff] [blame] | 583 | escaped++; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 584 | if (strncmp(line, "----", 4) == 0 || |
| 585 | strstr(line, ": ") != NULL) { |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 586 | if (strstr(line, SSH_COM_PRIVATE_BEGIN) != NULL) |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 587 | *private = 1; |
Ben Lindstrom | e586c4c | 2001-06-25 05:04:58 +0000 | [diff] [blame] | 588 | if (strstr(line, " END ") != NULL) { |
| 589 | break; |
| 590 | } |
Ben Lindstrom | 3035860 | 2001-04-24 16:59:28 +0000 | [diff] [blame] | 591 | /* fprintf(stderr, "ignore: %s", line); */ |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 592 | continue; |
| 593 | } |
Damien Miller | 30c3d42 | 2000-05-09 11:02:59 +1000 | [diff] [blame] | 594 | if (escaped) { |
| 595 | escaped--; |
Ben Lindstrom | 3035860 | 2001-04-24 16:59:28 +0000 | [diff] [blame] | 596 | /* fprintf(stderr, "escaped: %s", line); */ |
Damien Miller | 30c3d42 | 2000-05-09 11:02:59 +1000 | [diff] [blame] | 597 | continue; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 598 | } |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 599 | strlcat(encoded, line, sizeof(encoded)); |
| 600 | } |
Ben Lindstrom | 155b981 | 2002-04-02 20:26:26 +0000 | [diff] [blame] | 601 | len = strlen(encoded); |
| 602 | if (((len % 4) == 3) && |
| 603 | (encoded[len-1] == '=') && |
| 604 | (encoded[len-2] == '=') && |
| 605 | (encoded[len-3] == '=')) |
| 606 | encoded[len-3] = '\0'; |
Damien Miller | 4a8ed54 | 2002-01-22 23:33:31 +1100 | [diff] [blame] | 607 | blen = uudecode(encoded, blob, sizeof(blob)); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 608 | if (blen < 0) { |
| 609 | fprintf(stderr, "uudecode failed.\n"); |
| 610 | exit(1); |
| 611 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 612 | if (*private) |
| 613 | *k = do_convert_private_ssh2_from_blob(blob, blen); |
| 614 | else if ((r = sshkey_from_blob(blob, blen, k)) != 0) { |
| 615 | fprintf(stderr, "decode blob failed: %s\n", ssh_err(r)); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 616 | exit(1); |
| 617 | } |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 618 | fclose(fp); |
| 619 | } |
| 620 | |
| 621 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 622 | do_convert_from_pkcs8(struct sshkey **k, int *private) |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 623 | { |
| 624 | EVP_PKEY *pubkey; |
| 625 | FILE *fp; |
| 626 | |
| 627 | if ((fp = fopen(identity_file, "r")) == NULL) |
| 628 | fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
| 629 | if ((pubkey = PEM_read_PUBKEY(fp, NULL, NULL, NULL)) == NULL) { |
| 630 | fatal("%s: %s is not a recognised public key format", __func__, |
| 631 | identity_file); |
| 632 | } |
| 633 | fclose(fp); |
| 634 | switch (EVP_PKEY_type(pubkey->type)) { |
| 635 | case EVP_PKEY_RSA: |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 636 | if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
| 637 | fatal("sshkey_new failed"); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 638 | (*k)->type = KEY_RSA; |
| 639 | (*k)->rsa = EVP_PKEY_get1_RSA(pubkey); |
| 640 | break; |
| 641 | case EVP_PKEY_DSA: |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 642 | if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
| 643 | fatal("sshkey_new failed"); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 644 | (*k)->type = KEY_DSA; |
| 645 | (*k)->dsa = EVP_PKEY_get1_DSA(pubkey); |
| 646 | break; |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 647 | #ifdef OPENSSL_HAS_ECC |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 648 | case EVP_PKEY_EC: |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 649 | if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
| 650 | fatal("sshkey_new failed"); |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 651 | (*k)->type = KEY_ECDSA; |
| 652 | (*k)->ecdsa = EVP_PKEY_get1_EC_KEY(pubkey); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 653 | (*k)->ecdsa_nid = sshkey_ecdsa_key_to_nid((*k)->ecdsa); |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 654 | break; |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 655 | #endif |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 656 | default: |
| 657 | fatal("%s: unsupported pubkey type %d", __func__, |
| 658 | EVP_PKEY_type(pubkey->type)); |
| 659 | } |
| 660 | EVP_PKEY_free(pubkey); |
| 661 | return; |
| 662 | } |
| 663 | |
| 664 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 665 | do_convert_from_pem(struct sshkey **k, int *private) |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 666 | { |
| 667 | FILE *fp; |
| 668 | RSA *rsa; |
| 669 | #ifdef notyet |
| 670 | DSA *dsa; |
| 671 | #endif |
| 672 | |
| 673 | if ((fp = fopen(identity_file, "r")) == NULL) |
| 674 | fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
| 675 | if ((rsa = PEM_read_RSAPublicKey(fp, NULL, NULL, NULL)) != NULL) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 676 | if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
| 677 | fatal("sshkey_new failed"); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 678 | (*k)->type = KEY_RSA; |
| 679 | (*k)->rsa = rsa; |
| 680 | fclose(fp); |
| 681 | return; |
| 682 | } |
| 683 | #if notyet /* OpenSSH 0.9.8 lacks this function */ |
| 684 | rewind(fp); |
| 685 | if ((dsa = PEM_read_DSAPublicKey(fp, NULL, NULL, NULL)) != NULL) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 686 | if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
| 687 | fatal("sshkey_new failed"); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 688 | (*k)->type = KEY_DSA; |
| 689 | (*k)->dsa = dsa; |
| 690 | fclose(fp); |
| 691 | return; |
| 692 | } |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 693 | /* XXX ECDSA */ |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 694 | #endif |
| 695 | fatal("%s: unrecognised raw private key format", __func__); |
| 696 | } |
| 697 | |
| 698 | static void |
| 699 | do_convert_from(struct passwd *pw) |
| 700 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 701 | struct sshkey *k = NULL; |
| 702 | int r, private = 0, ok = 0; |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 703 | struct stat st; |
| 704 | |
| 705 | if (!have_identity) |
| 706 | ask_filename(pw, "Enter file in which the key is"); |
| 707 | if (stat(identity_file, &st) < 0) |
| 708 | fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
| 709 | |
| 710 | switch (convert_format) { |
| 711 | case FMT_RFC4716: |
| 712 | do_convert_from_ssh2(pw, &k, &private); |
| 713 | break; |
| 714 | case FMT_PKCS8: |
| 715 | do_convert_from_pkcs8(&k, &private); |
| 716 | break; |
| 717 | case FMT_PEM: |
| 718 | do_convert_from_pem(&k, &private); |
| 719 | break; |
| 720 | default: |
| 721 | fatal("%s: unknown key format %d", __func__, convert_format); |
| 722 | } |
| 723 | |
| 724 | if (!private) |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 725 | if ((r = sshkey_write(k, stdout)) == 0) |
| 726 | ok = 1; |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 727 | if (ok) |
| 728 | fprintf(stdout, "\n"); |
| 729 | else { |
| 730 | switch (k->type) { |
| 731 | case KEY_DSA: |
| 732 | ok = PEM_write_DSAPrivateKey(stdout, k->dsa, NULL, |
| 733 | NULL, 0, NULL, NULL); |
| 734 | break; |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 735 | #ifdef OPENSSL_HAS_ECC |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 736 | case KEY_ECDSA: |
| 737 | ok = PEM_write_ECPrivateKey(stdout, k->ecdsa, NULL, |
| 738 | NULL, 0, NULL, NULL); |
| 739 | break; |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 740 | #endif |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 741 | case KEY_RSA: |
| 742 | ok = PEM_write_RSAPrivateKey(stdout, k->rsa, NULL, |
| 743 | NULL, 0, NULL, NULL); |
| 744 | break; |
| 745 | default: |
| 746 | fatal("%s: unsupported key type %s", __func__, |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 747 | sshkey_type(k)); |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 748 | } |
| 749 | } |
| 750 | |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 751 | if (!ok) { |
Damien Miller | 9eab956 | 2009-02-22 08:47:02 +1100 | [diff] [blame] | 752 | fprintf(stderr, "key write failed\n"); |
Damien Miller | 874d77b | 2000-10-14 16:23:11 +1100 | [diff] [blame] | 753 | exit(1); |
| 754 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 755 | sshkey_free(k); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 756 | exit(0); |
| 757 | } |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 758 | #endif |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 759 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 760 | static void |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 761 | do_print_public(struct passwd *pw) |
| 762 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 763 | struct sshkey *prv; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 764 | struct stat st; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 765 | int r; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 766 | |
| 767 | if (!have_identity) |
| 768 | ask_filename(pw, "Enter file in which the key is"); |
| 769 | if (stat(identity_file, &st) < 0) { |
| 770 | perror(identity_file); |
| 771 | exit(1); |
| 772 | } |
Ben Lindstrom | d78ae76 | 2001-06-05 20:35:09 +0000 | [diff] [blame] | 773 | prv = load_identity(identity_file); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 774 | if ((r = sshkey_write(prv, stdout)) != 0) |
| 775 | fprintf(stderr, "key_write failed: %s", ssh_err(r)); |
| 776 | sshkey_free(prv); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 777 | fprintf(stdout, "\n"); |
| 778 | exit(0); |
| 779 | } |
| 780 | |
Ben Lindstrom | cd39228 | 2001-07-04 03:44:03 +0000 | [diff] [blame] | 781 | static void |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 782 | do_download(struct passwd *pw) |
Ben Lindstrom | cd39228 | 2001-07-04 03:44:03 +0000 | [diff] [blame] | 783 | { |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 784 | #ifdef ENABLE_PKCS11 |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 785 | struct sshkey **keys = NULL; |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 786 | int i, nkeys; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 787 | enum sshkey_fp_rep rep; |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 788 | int fptype; |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 789 | char *fp, *ra; |
Ben Lindstrom | 8282d6a | 2001-08-06 21:44:05 +0000 | [diff] [blame] | 790 | |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 791 | fptype = print_bubblebabble ? SSH_DIGEST_SHA1 : fingerprint_hash; |
| 792 | rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_DEFAULT; |
Damien Miller | 1422c08 | 2013-01-09 16:44:54 +1100 | [diff] [blame] | 793 | |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 794 | pkcs11_init(0); |
| 795 | nkeys = pkcs11_add_provider(pkcs11provider, NULL, &keys); |
| 796 | if (nkeys <= 0) |
| 797 | fatal("cannot read public key from pkcs11"); |
| 798 | for (i = 0; i < nkeys; i++) { |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 799 | if (print_fingerprint) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 800 | fp = sshkey_fingerprint(keys[i], fptype, rep); |
| 801 | ra = sshkey_fingerprint(keys[i], fingerprint_hash, |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 802 | SSH_FP_RANDOMART); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 803 | printf("%u %s %s (PKCS11 key)\n", sshkey_size(keys[i]), |
| 804 | fp, sshkey_type(keys[i])); |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 805 | if (log_level >= SYSLOG_LEVEL_VERBOSE) |
| 806 | printf("%s\n", ra); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 807 | free(ra); |
| 808 | free(fp); |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 809 | } else { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 810 | (void) sshkey_write(keys[i], stdout); /* XXX check */ |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 811 | fprintf(stdout, "\n"); |
| 812 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 813 | sshkey_free(keys[i]); |
Ben Lindstrom | 0936a5b | 2002-03-26 03:17:42 +0000 | [diff] [blame] | 814 | } |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 815 | free(keys); |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 816 | pkcs11_terminate(); |
Ben Lindstrom | 8282d6a | 2001-08-06 21:44:05 +0000 | [diff] [blame] | 817 | exit(0); |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 818 | #else |
| 819 | fatal("no pkcs11 support"); |
| 820 | #endif /* ENABLE_PKCS11 */ |
Ben Lindstrom | 8282d6a | 2001-08-06 21:44:05 +0000 | [diff] [blame] | 821 | } |
Ben Lindstrom | cd39228 | 2001-07-04 03:44:03 +0000 | [diff] [blame] | 822 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 823 | static void |
Damien Miller | 10f6f6b | 1999-11-17 17:29:08 +1100 | [diff] [blame] | 824 | do_fingerprint(struct passwd *pw) |
| 825 | { |
Damien Miller | 98c7ad6 | 2000-03-09 21:27:49 +1100 | [diff] [blame] | 826 | FILE *f; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 827 | struct sshkey *public; |
Darren Tucker | 9c16ac9 | 2008-06-13 04:40:35 +1000 | [diff] [blame] | 828 | char *comment = NULL, *cp, *ep, line[16*1024], *fp, *ra; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 829 | int r, i, skip = 0, num = 0, invalid = 1; |
| 830 | enum sshkey_fp_rep rep; |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 831 | int fptype; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 832 | struct stat st; |
Damien Miller | 10f6f6b | 1999-11-17 17:29:08 +1100 | [diff] [blame] | 833 | |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 834 | fptype = print_bubblebabble ? SSH_DIGEST_SHA1 : fingerprint_hash; |
| 835 | rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_DEFAULT; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 836 | if (!have_identity) |
| 837 | ask_filename(pw, "Enter file in which the key is"); |
| 838 | if (stat(identity_file, &st) < 0) { |
| 839 | perror(identity_file); |
| 840 | exit(1); |
| 841 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 842 | if ((r = sshkey_load_public(identity_file, &public, &comment)) != 0) |
| 843 | error("Error loading public key \"%s\": %s", |
| 844 | identity_file, ssh_err(r)); |
| 845 | else { |
| 846 | fp = sshkey_fingerprint(public, fptype, rep); |
| 847 | ra = sshkey_fingerprint(public, fingerprint_hash, |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 848 | SSH_FP_RANDOMART); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 849 | printf("%u %s %s (%s)\n", sshkey_size(public), fp, comment, |
| 850 | sshkey_type(public)); |
Darren Tucker | 35c4553 | 2008-06-13 04:43:15 +1000 | [diff] [blame] | 851 | if (log_level >= SYSLOG_LEVEL_VERBOSE) |
| 852 | printf("%s\n", ra); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 853 | sshkey_free(public); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 854 | free(comment); |
| 855 | free(ra); |
| 856 | free(fp); |
Damien Miller | 98c7ad6 | 2000-03-09 21:27:49 +1100 | [diff] [blame] | 857 | exit(0); |
| 858 | } |
Damien Miller | 40b5985 | 2006-06-13 13:00:25 +1000 | [diff] [blame] | 859 | if (comment) { |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 860 | free(comment); |
Damien Miller | 40b5985 | 2006-06-13 13:00:25 +1000 | [diff] [blame] | 861 | comment = NULL; |
| 862 | } |
Damien Miller | 98c7ad6 | 2000-03-09 21:27:49 +1100 | [diff] [blame] | 863 | |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 864 | if ((f = fopen(identity_file, "r")) == NULL) |
| 865 | fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
Damien Miller | 98c7ad6 | 2000-03-09 21:27:49 +1100 | [diff] [blame] | 866 | |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 867 | while (fgets(line, sizeof(line), f)) { |
| 868 | if ((cp = strchr(line, '\n')) == NULL) { |
| 869 | error("line %d too long: %.40s...", |
| 870 | num + 1, line); |
| 871 | skip = 1; |
| 872 | continue; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 873 | } |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 874 | num++; |
| 875 | if (skip) { |
| 876 | skip = 0; |
| 877 | continue; |
| 878 | } |
| 879 | *cp = '\0'; |
| 880 | |
| 881 | /* Skip leading whitespace, empty and comment lines. */ |
| 882 | for (cp = line; *cp == ' ' || *cp == '\t'; cp++) |
| 883 | ; |
| 884 | if (!*cp || *cp == '\n' || *cp == '#') |
| 885 | continue; |
| 886 | i = strtol(cp, &ep, 10); |
| 887 | if (i == 0 || ep == NULL || (*ep != ' ' && *ep != '\t')) { |
| 888 | int quoted = 0; |
| 889 | comment = cp; |
| 890 | for (; *cp && (quoted || (*cp != ' ' && |
| 891 | *cp != '\t')); cp++) { |
| 892 | if (*cp == '\\' && cp[1] == '"') |
| 893 | cp++; /* Skip both */ |
| 894 | else if (*cp == '"') |
| 895 | quoted = !quoted; |
| 896 | } |
| 897 | if (!*cp) |
| 898 | continue; |
| 899 | *cp++ = '\0'; |
| 900 | } |
| 901 | ep = cp; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 902 | if ((public = sshkey_new(KEY_RSA1)) == NULL) |
| 903 | fatal("sshkey_new failed"); |
| 904 | if ((r = sshkey_read(public, &cp)) != 0) { |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 905 | cp = ep; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 906 | sshkey_free(public); |
| 907 | if ((public = sshkey_new(KEY_UNSPEC)) == NULL) |
| 908 | fatal("sshkey_new failed"); |
| 909 | if ((r = sshkey_read(public, &cp)) != 0) { |
| 910 | sshkey_free(public); |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 911 | continue; |
| 912 | } |
| 913 | } |
| 914 | comment = *cp ? cp : comment; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 915 | fp = sshkey_fingerprint(public, fptype, rep); |
| 916 | ra = sshkey_fingerprint(public, fingerprint_hash, |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 917 | SSH_FP_RANDOMART); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 918 | printf("%u %s %s (%s)\n", sshkey_size(public), fp, |
| 919 | comment ? comment : "no comment", sshkey_type(public)); |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 920 | if (log_level >= SYSLOG_LEVEL_VERBOSE) |
| 921 | printf("%s\n", ra); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 922 | free(ra); |
| 923 | free(fp); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 924 | sshkey_free(public); |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 925 | invalid = 0; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 926 | } |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 927 | fclose(f); |
| 928 | |
Damien Miller | 98c7ad6 | 2000-03-09 21:27:49 +1100 | [diff] [blame] | 929 | if (invalid) { |
Damien Miller | eb5fec6 | 2001-11-12 10:52:44 +1100 | [diff] [blame] | 930 | printf("%s is not a public key file.\n", identity_file); |
Damien Miller | 98c7ad6 | 2000-03-09 21:27:49 +1100 | [diff] [blame] | 931 | exit(1); |
| 932 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 933 | exit(0); |
Damien Miller | 10f6f6b | 1999-11-17 17:29:08 +1100 | [diff] [blame] | 934 | } |
| 935 | |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 936 | static void |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 937 | do_gen_all_hostkeys(struct passwd *pw) |
| 938 | { |
| 939 | struct { |
| 940 | char *key_type; |
| 941 | char *key_type_display; |
| 942 | char *path; |
| 943 | } key_types[] = { |
| 944 | { "rsa1", "RSA1", _PATH_HOST_KEY_FILE }, |
| 945 | { "rsa", "RSA" ,_PATH_HOST_RSA_KEY_FILE }, |
| 946 | { "dsa", "DSA", _PATH_HOST_DSA_KEY_FILE }, |
Damien Miller | b56e493 | 2012-02-06 07:41:27 +1100 | [diff] [blame] | 947 | #ifdef OPENSSL_HAS_ECC |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 948 | { "ecdsa", "ECDSA",_PATH_HOST_ECDSA_KEY_FILE }, |
Damien Miller | b56e493 | 2012-02-06 07:41:27 +1100 | [diff] [blame] | 949 | #endif |
Damien Miller | 5be9d9e | 2013-12-07 11:24:01 +1100 | [diff] [blame] | 950 | { "ed25519", "ED25519",_PATH_HOST_ED25519_KEY_FILE }, |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 951 | { NULL, NULL, NULL } |
| 952 | }; |
| 953 | |
| 954 | int first = 0; |
| 955 | struct stat st; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 956 | struct sshkey *private, *public; |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 957 | char comment[1024]; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 958 | int i, type, fd, r; |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 959 | FILE *f; |
| 960 | |
| 961 | for (i = 0; key_types[i].key_type; i++) { |
| 962 | if (stat(key_types[i].path, &st) == 0) |
| 963 | continue; |
| 964 | if (errno != ENOENT) { |
| 965 | printf("Could not stat %s: %s", key_types[i].path, |
| 966 | strerror(errno)); |
| 967 | first = 0; |
| 968 | continue; |
| 969 | } |
| 970 | |
| 971 | if (first == 0) { |
| 972 | first = 1; |
| 973 | printf("%s: generating new host keys: ", __progname); |
| 974 | } |
| 975 | printf("%s ", key_types[i].key_type_display); |
| 976 | fflush(stdout); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 977 | type = sshkey_type_from_name(key_types[i].key_type); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 978 | strlcpy(identity_file, key_types[i].path, sizeof(identity_file)); |
| 979 | bits = 0; |
djm@openbsd.org | 7efb455 | 2015-01-18 13:22:28 +0000 | [diff] [blame] | 980 | type_bits_valid(type, NULL, &bits); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 981 | if ((r = sshkey_generate(type, bits, &private)) != 0) { |
| 982 | fprintf(stderr, "key_generate failed: %s\n", |
| 983 | ssh_err(r)); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 984 | first = 0; |
| 985 | continue; |
| 986 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 987 | if ((r = sshkey_from_private(private, &public)) != 0) |
| 988 | fatal("sshkey_from_private failed: %s", ssh_err(r)); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 989 | snprintf(comment, sizeof comment, "%s@%s", pw->pw_name, |
| 990 | hostname); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 991 | if ((r = sshkey_save_private(private, identity_file, "", |
| 992 | comment, use_new_format, new_format_cipher, rounds)) != 0) { |
| 993 | printf("Saving key \"%s\" failed: %s\n", identity_file, |
| 994 | ssh_err(r)); |
| 995 | sshkey_free(private); |
| 996 | sshkey_free(public); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 997 | first = 0; |
| 998 | continue; |
| 999 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1000 | sshkey_free(private); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 1001 | strlcat(identity_file, ".pub", sizeof(identity_file)); |
| 1002 | fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
| 1003 | if (fd == -1) { |
| 1004 | printf("Could not save your public key in %s\n", |
| 1005 | identity_file); |
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 | f = fdopen(fd, "w"); |
| 1011 | if (f == NULL) { |
| 1012 | printf("fdopen %s failed\n", identity_file); |
doug@openbsd.org | 7df8818 | 2014-08-21 01:08:52 +0000 | [diff] [blame] | 1013 | close(fd); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1014 | sshkey_free(public); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 1015 | first = 0; |
| 1016 | continue; |
| 1017 | } |
djm@openbsd.org | bb8b442 | 2015-01-16 15:55:07 +0000 | [diff] [blame] | 1018 | if ((r = sshkey_write(public, f)) != 0) { |
| 1019 | fprintf(stderr, "write key failed: %s\n", ssh_err(r)); |
doug@openbsd.org | 7df8818 | 2014-08-21 01:08:52 +0000 | [diff] [blame] | 1020 | fclose(f); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1021 | sshkey_free(public); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 1022 | first = 0; |
| 1023 | continue; |
| 1024 | } |
| 1025 | fprintf(f, " %s\n", comment); |
| 1026 | fclose(f); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1027 | sshkey_free(public); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 1028 | |
| 1029 | } |
| 1030 | if (first != 0) |
| 1031 | printf("\n"); |
| 1032 | } |
| 1033 | |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1034 | struct known_hosts_ctx { |
| 1035 | FILE *out; |
| 1036 | const char *host; |
| 1037 | int has_unhashed, found_key, inplace, invalid; |
| 1038 | }; |
| 1039 | |
| 1040 | static int |
| 1041 | known_hosts_hash(struct hostkey_foreach_line *l, void *_ctx) |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1042 | { |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1043 | struct known_hosts_ctx *ctx = (struct known_hosts_ctx *)_ctx; |
| 1044 | char *hashed, *cp, *hosts, *ohosts; |
| 1045 | int has_wild = l->hosts && strcspn(l->hosts, "*?!") != strlen(l->hosts); |
Darren Tucker | 0f7e910 | 2008-06-08 12:54:29 +1000 | [diff] [blame] | 1046 | |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1047 | /* Retain invalid lines when hashing, but mark file as invalid. */ |
| 1048 | if (l->status == HKF_STATUS_INVALID) { |
| 1049 | ctx->invalid = 1; |
| 1050 | fprintf(stderr, "%s:%ld: invalid line\n", l->path, l->linenum); |
| 1051 | fprintf(ctx->out, "%s\n", l->line); |
| 1052 | return 0; |
Darren Tucker | 0f7e910 | 2008-06-08 12:54:29 +1000 | [diff] [blame] | 1053 | } |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1054 | |
| 1055 | /* |
| 1056 | * Don't hash hosts already already hashed, with wildcard characters |
| 1057 | * or a CA/revocation marker. |
| 1058 | */ |
| 1059 | if (l->was_hashed || has_wild || l->marker != MRK_NONE) { |
| 1060 | fprintf(ctx->out, "%s\n", l->line); |
| 1061 | if (has_wild && !find_host) { |
| 1062 | fprintf(stderr, "%s:%ld: ignoring host name " |
| 1063 | "with wildcard: %.64s\n", l->path, |
| 1064 | l->linenum, l->hosts); |
| 1065 | ctx->has_unhashed = 1; |
| 1066 | } |
| 1067 | return 0; |
| 1068 | } |
| 1069 | /* |
| 1070 | * Split any comma-separated hostnames from the host list, |
| 1071 | * hash and store separately. |
| 1072 | */ |
| 1073 | ohosts = hosts = xstrdup(l->hosts); |
| 1074 | while ((cp = strsep(&hosts, ",")) != NULL && *cp != '\0') { |
| 1075 | if ((hashed = host_hash(cp, NULL, 0)) == NULL) |
| 1076 | fatal("hash_host failed"); |
| 1077 | fprintf(ctx->out, "%s %s\n", hashed, l->rawkey); |
| 1078 | ctx->has_unhashed = 1; |
| 1079 | } |
| 1080 | free(ohosts); |
| 1081 | return 0; |
| 1082 | } |
| 1083 | |
| 1084 | static int |
| 1085 | known_hosts_find_delete(struct hostkey_foreach_line *l, void *_ctx) |
| 1086 | { |
| 1087 | struct known_hosts_ctx *ctx = (struct known_hosts_ctx *)_ctx; |
| 1088 | |
| 1089 | if (l->status == HKF_STATUS_HOST_MATCHED) { |
| 1090 | if (delete_host) { |
| 1091 | if (l->marker != MRK_NONE) { |
| 1092 | /* Don't remove CA and revocation lines */ |
| 1093 | fprintf(ctx->out, "%s\n", l->line); |
| 1094 | } else { |
| 1095 | /* |
| 1096 | * Hostname matches and has no CA/revoke |
| 1097 | * marker, delete it by *not* writing the |
| 1098 | * line to ctx->out. |
| 1099 | */ |
| 1100 | ctx->found_key = 1; |
| 1101 | if (!quiet) |
| 1102 | printf("# Host %s found: line %ld\n", |
| 1103 | ctx->host, l->linenum); |
| 1104 | } |
| 1105 | return 0; |
| 1106 | } else if (find_host) { |
| 1107 | ctx->found_key = 1; |
| 1108 | if (!quiet) { |
| 1109 | printf("# Host %s found: line %ld %s\n", |
| 1110 | ctx->host, |
| 1111 | l->linenum, l->marker == MRK_CA ? "CA" : |
| 1112 | (l->marker == MRK_REVOKE ? "REVOKED" : "")); |
| 1113 | } |
| 1114 | if (hash_hosts) |
| 1115 | known_hosts_hash(l, ctx); |
| 1116 | else |
| 1117 | fprintf(ctx->out, "%s\n", l->line); |
| 1118 | return 0; |
| 1119 | } |
| 1120 | } else if (delete_host) { |
| 1121 | /* Retain non-matching hosts when deleting */ |
| 1122 | if (l->status == HKF_STATUS_INVALID) { |
| 1123 | ctx->invalid = 1; |
| 1124 | fprintf(stderr, "%s:%ld: invalid line\n", |
| 1125 | l->path, l->linenum); |
| 1126 | } |
| 1127 | fprintf(ctx->out, "%s\n", l->line); |
| 1128 | } |
| 1129 | return 0; |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1130 | } |
| 1131 | |
| 1132 | static void |
| 1133 | do_known_hosts(struct passwd *pw, const char *name) |
| 1134 | { |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1135 | char *cp, tmp[MAXPATHLEN], old[MAXPATHLEN]; |
| 1136 | int r, fd, oerrno; |
| 1137 | struct known_hosts_ctx ctx; |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1138 | |
| 1139 | if (!have_identity) { |
| 1140 | cp = tilde_expand_filename(_PATH_SSH_USER_HOSTFILE, pw->pw_uid); |
| 1141 | if (strlcpy(identity_file, cp, sizeof(identity_file)) >= |
| 1142 | sizeof(identity_file)) |
| 1143 | fatal("Specified known hosts path too long"); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1144 | free(cp); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1145 | have_identity = 1; |
| 1146 | } |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1147 | |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1148 | memset(&ctx, 0, sizeof(ctx)); |
| 1149 | ctx.out = stdout; |
| 1150 | ctx.host = name; |
| 1151 | |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1152 | /* |
| 1153 | * Find hosts goes to stdout, hash and deletions happen in-place |
| 1154 | * A corner case is ssh-keygen -HF foo, which should go to stdout |
| 1155 | */ |
| 1156 | if (!find_host && (hash_hosts || delete_host)) { |
| 1157 | if (strlcpy(tmp, identity_file, sizeof(tmp)) >= sizeof(tmp) || |
| 1158 | strlcat(tmp, ".XXXXXXXXXX", sizeof(tmp)) >= sizeof(tmp) || |
| 1159 | strlcpy(old, identity_file, sizeof(old)) >= sizeof(old) || |
| 1160 | strlcat(old, ".old", sizeof(old)) >= sizeof(old)) |
| 1161 | fatal("known_hosts path too long"); |
| 1162 | umask(077); |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1163 | if ((fd = mkstemp(tmp)) == -1) |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1164 | fatal("mkstemp: %s", strerror(errno)); |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1165 | if ((ctx.out = fdopen(fd, "w")) == NULL) { |
| 1166 | oerrno = errno; |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1167 | unlink(tmp); |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1168 | fatal("fdopen: %s", strerror(oerrno)); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1169 | } |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1170 | ctx.inplace = 1; |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1171 | } |
| 1172 | |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1173 | /* XXX support identity_file == "-" for stdin */ |
| 1174 | if ((r = hostkeys_foreach(identity_file, |
| 1175 | hash_hosts ? known_hosts_hash : known_hosts_find_delete, &ctx, |
| 1176 | name, find_host ? HKF_WANT_MATCH_HOST : 0)) != 0) |
| 1177 | fatal("%s: hostkeys_foreach failed: %s", __func__, ssh_err(r)); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1178 | |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1179 | if (ctx.inplace) |
| 1180 | fclose(ctx.out); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1181 | |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1182 | if (ctx.invalid) { |
Damien Miller | cb2fbb2 | 2008-02-10 22:24:55 +1100 | [diff] [blame] | 1183 | fprintf(stderr, "%s is not a valid known_hosts file.\n", |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1184 | identity_file); |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1185 | if (ctx.inplace) { |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1186 | fprintf(stderr, "Not replacing existing known_hosts " |
Darren Tucker | 9f438a9 | 2005-03-14 23:09:18 +1100 | [diff] [blame] | 1187 | "file because of errors\n"); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1188 | unlink(tmp); |
| 1189 | } |
| 1190 | exit(1); |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1191 | } else if (delete_host && !ctx.found_key) { |
| 1192 | fprintf(stderr, "Host %s not found in %s\n", |
| 1193 | name, identity_file); |
| 1194 | unlink(tmp); |
| 1195 | } else if (ctx.inplace) { |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1196 | /* Backup existing file */ |
| 1197 | if (unlink(old) == -1 && errno != ENOENT) |
| 1198 | fatal("unlink %.100s: %s", old, strerror(errno)); |
| 1199 | if (link(identity_file, old) == -1) |
| 1200 | fatal("link %.100s to %.100s: %s", identity_file, old, |
| 1201 | strerror(errno)); |
| 1202 | /* Move new one into place */ |
| 1203 | if (rename(tmp, identity_file) == -1) { |
| 1204 | error("rename\"%s\" to \"%s\": %s", tmp, identity_file, |
| 1205 | strerror(errno)); |
| 1206 | unlink(tmp); |
| 1207 | unlink(old); |
| 1208 | exit(1); |
| 1209 | } |
| 1210 | |
| 1211 | fprintf(stderr, "%s updated.\n", identity_file); |
| 1212 | fprintf(stderr, "Original contents retained as %s\n", old); |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1213 | if (ctx.has_unhashed) { |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1214 | fprintf(stderr, "WARNING: %s contains unhashed " |
| 1215 | "entries\n", old); |
| 1216 | fprintf(stderr, "Delete this file to ensure privacy " |
Damien Miller | 0dc1bef | 2005-07-17 17:22:45 +1000 | [diff] [blame] | 1217 | "of hostnames\n"); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1218 | } |
| 1219 | } |
| 1220 | |
djm@openbsd.org | cecb30b | 2015-01-18 21:49:42 +0000 | [diff] [blame^] | 1221 | exit (find_host && !ctx.found_key); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 1222 | } |
| 1223 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1224 | /* |
| 1225 | * Perform changing a passphrase. The argument is the passwd structure |
| 1226 | * for the current user. |
| 1227 | */ |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 1228 | static void |
Damien Miller | 10f6f6b | 1999-11-17 17:29:08 +1100 | [diff] [blame] | 1229 | do_change_passphrase(struct passwd *pw) |
| 1230 | { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1231 | char *comment; |
| 1232 | char *old_passphrase, *passphrase1, *passphrase2; |
| 1233 | struct stat st; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1234 | struct sshkey *private; |
| 1235 | int r; |
Damien Miller | 10f6f6b | 1999-11-17 17:29:08 +1100 | [diff] [blame] | 1236 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1237 | if (!have_identity) |
| 1238 | ask_filename(pw, "Enter file in which the key is"); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1239 | if (stat(identity_file, &st) < 0) { |
| 1240 | perror(identity_file); |
| 1241 | exit(1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1242 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1243 | /* Try to load the file with empty passphrase. */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1244 | r = sshkey_load_private(identity_file, "", &private, &comment); |
| 1245 | if (r == SSH_ERR_KEY_WRONG_PASSPHRASE) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1246 | if (identity_passphrase) |
| 1247 | old_passphrase = xstrdup(identity_passphrase); |
| 1248 | else |
Ben Lindstrom | 949974b | 2001-06-25 05:20:31 +0000 | [diff] [blame] | 1249 | old_passphrase = |
| 1250 | read_passphrase("Enter old passphrase: ", |
| 1251 | RP_ALLOW_STDIN); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1252 | r = sshkey_load_private(identity_file, old_passphrase, |
| 1253 | &private, &comment); |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 1254 | explicit_bzero(old_passphrase, strlen(old_passphrase)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1255 | free(old_passphrase); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1256 | if (r != 0) |
| 1257 | goto badkey; |
| 1258 | } else if (r != 0) { |
| 1259 | badkey: |
| 1260 | fprintf(stderr, "Failed to load key \"%s\": %s\n", |
| 1261 | identity_file, ssh_err(r)); |
| 1262 | exit(1); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1263 | } |
| 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) { |
| 1294 | printf("Saving key \"%s\" failed: %s.\n", |
| 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; |
| 1328 | perror(fname); |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 1329 | exit(1); |
| 1330 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1331 | if ((r = sshkey_load_public(fname, &public, &comment)) != 0) { |
| 1332 | printf("Failed to read v2 public key from \"%s\": %s.\n", |
| 1333 | fname, ssh_err(r)); |
| 1334 | exit(1); |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 1335 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1336 | export_dns_rr(hname, public, stdout, print_generic); |
| 1337 | sshkey_free(public); |
| 1338 | free(comment); |
| 1339 | return 1; |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 1340 | } |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 1341 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1342 | /* |
| 1343 | * Change the comment of a private key file. |
| 1344 | */ |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 1345 | static void |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1346 | do_change_comment(struct passwd *pw) |
| 1347 | { |
Ben Lindstrom | 5fc6270 | 2001-03-09 18:19:24 +0000 | [diff] [blame] | 1348 | char new_comment[1024], *comment, *passphrase; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1349 | struct sshkey *private; |
| 1350 | struct sshkey *public; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1351 | struct stat st; |
| 1352 | FILE *f; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1353 | int r, fd; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1354 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1355 | if (!have_identity) |
| 1356 | ask_filename(pw, "Enter file in which the key is"); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1357 | if (stat(identity_file, &st) < 0) { |
| 1358 | perror(identity_file); |
| 1359 | exit(1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1360 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1361 | if ((r = sshkey_load_private(identity_file, "", |
| 1362 | &private, &comment)) == 0) |
| 1363 | passphrase = xstrdup(""); |
| 1364 | else if (r != SSH_ERR_KEY_WRONG_PASSPHRASE) { |
| 1365 | printf("Cannot load private key \"%s\": %s.\n", |
| 1366 | identity_file, ssh_err(r)); |
| 1367 | exit(1); |
| 1368 | } else { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1369 | if (identity_passphrase) |
| 1370 | passphrase = xstrdup(identity_passphrase); |
| 1371 | else if (identity_new_passphrase) |
| 1372 | passphrase = xstrdup(identity_new_passphrase); |
| 1373 | else |
Ben Lindstrom | 949974b | 2001-06-25 05:20:31 +0000 | [diff] [blame] | 1374 | passphrase = read_passphrase("Enter passphrase: ", |
| 1375 | RP_ALLOW_STDIN); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1376 | /* Try to load using the passphrase. */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1377 | if ((r = sshkey_load_private(identity_file, passphrase, |
| 1378 | &private, &comment)) != 0) { |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 1379 | explicit_bzero(passphrase, strlen(passphrase)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1380 | free(passphrase); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1381 | printf("Cannot load private key \"%s\": %s.\n", |
| 1382 | identity_file, ssh_err(r)); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1383 | exit(1); |
| 1384 | } |
| 1385 | } |
Ben Lindstrom | d0fca42 | 2001-03-26 13:44:06 +0000 | [diff] [blame] | 1386 | if (private->type != KEY_RSA1) { |
| 1387 | fprintf(stderr, "Comments are only supported for RSA1 keys.\n"); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1388 | sshkey_free(private); |
Ben Lindstrom | d0fca42 | 2001-03-26 13:44:06 +0000 | [diff] [blame] | 1389 | exit(1); |
Damien Miller | 9f0f5c6 | 2001-12-21 14:45:46 +1100 | [diff] [blame] | 1390 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1391 | printf("Key now has comment '%s'\n", comment); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1392 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1393 | if (identity_comment) { |
| 1394 | strlcpy(new_comment, identity_comment, sizeof(new_comment)); |
| 1395 | } else { |
| 1396 | printf("Enter new comment: "); |
| 1397 | fflush(stdout); |
| 1398 | if (!fgets(new_comment, sizeof(new_comment), stdin)) { |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 1399 | explicit_bzero(passphrase, strlen(passphrase)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1400 | sshkey_free(private); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1401 | exit(1); |
| 1402 | } |
Damien Miller | 14b017d | 2007-09-17 16:09:15 +1000 | [diff] [blame] | 1403 | new_comment[strcspn(new_comment, "\n")] = '\0'; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1404 | } |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1405 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1406 | /* Save the file using the new passphrase. */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1407 | if ((r = sshkey_save_private(private, identity_file, passphrase, |
| 1408 | new_comment, use_new_format, new_format_cipher, rounds)) != 0) { |
| 1409 | printf("Saving key \"%s\" failed: %s\n", |
| 1410 | identity_file, ssh_err(r)); |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 1411 | explicit_bzero(passphrase, strlen(passphrase)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1412 | free(passphrase); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1413 | sshkey_free(private); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1414 | free(comment); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1415 | exit(1); |
| 1416 | } |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 1417 | explicit_bzero(passphrase, strlen(passphrase)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1418 | free(passphrase); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1419 | if ((r = sshkey_from_private(private, &public)) != 0) |
| 1420 | fatal("key_from_private failed: %s", ssh_err(r)); |
| 1421 | sshkey_free(private); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1422 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1423 | strlcat(identity_file, ".pub", sizeof(identity_file)); |
Ben Lindstrom | 5fc6270 | 2001-03-09 18:19:24 +0000 | [diff] [blame] | 1424 | fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
| 1425 | if (fd == -1) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1426 | printf("Could not save your public key in %s\n", identity_file); |
| 1427 | exit(1); |
| 1428 | } |
Ben Lindstrom | 5fc6270 | 2001-03-09 18:19:24 +0000 | [diff] [blame] | 1429 | f = fdopen(fd, "w"); |
| 1430 | if (f == NULL) { |
Damien Miller | 9eab956 | 2009-02-22 08:47:02 +1100 | [diff] [blame] | 1431 | printf("fdopen %s failed\n", identity_file); |
Ben Lindstrom | 5fc6270 | 2001-03-09 18:19:24 +0000 | [diff] [blame] | 1432 | exit(1); |
| 1433 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1434 | if ((r = sshkey_write(public, f)) != 0) |
| 1435 | fprintf(stderr, "write key failed: %s\n", ssh_err(r)); |
| 1436 | sshkey_free(public); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 1437 | fprintf(f, " %s\n", new_comment); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1438 | fclose(f); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1439 | |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1440 | free(comment); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 1441 | |
| 1442 | printf("The comment in your key file has been changed.\n"); |
| 1443 | exit(0); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1444 | } |
| 1445 | |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1446 | static const char * |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1447 | fmt_validity(u_int64_t valid_from, u_int64_t valid_to) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1448 | { |
| 1449 | char from[32], to[32]; |
| 1450 | static char ret[64]; |
| 1451 | time_t tt; |
| 1452 | struct tm *tm; |
| 1453 | |
| 1454 | *from = *to = '\0'; |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1455 | if (valid_from == 0 && valid_to == 0xffffffffffffffffULL) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1456 | return "forever"; |
| 1457 | |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1458 | if (valid_from != 0) { |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1459 | /* XXX revisit INT_MAX in 2038 :) */ |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1460 | tt = valid_from > INT_MAX ? INT_MAX : valid_from; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1461 | tm = localtime(&tt); |
| 1462 | strftime(from, sizeof(from), "%Y-%m-%dT%H:%M:%S", tm); |
| 1463 | } |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1464 | if (valid_to != 0xffffffffffffffffULL) { |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1465 | /* XXX revisit INT_MAX in 2038 :) */ |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1466 | tt = valid_to > INT_MAX ? INT_MAX : valid_to; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1467 | tm = localtime(&tt); |
| 1468 | strftime(to, sizeof(to), "%Y-%m-%dT%H:%M:%S", tm); |
| 1469 | } |
| 1470 | |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1471 | if (valid_from == 0) { |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1472 | snprintf(ret, sizeof(ret), "before %s", to); |
| 1473 | return ret; |
| 1474 | } |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1475 | if (valid_to == 0xffffffffffffffffULL) { |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1476 | snprintf(ret, sizeof(ret), "after %s", from); |
| 1477 | return ret; |
| 1478 | } |
| 1479 | |
| 1480 | snprintf(ret, sizeof(ret), "from %s to %s", from, to); |
| 1481 | return ret; |
| 1482 | } |
| 1483 | |
| 1484 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1485 | add_flag_option(struct sshbuf *c, const char *name) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1486 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1487 | int r; |
| 1488 | |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1489 | debug3("%s: %s", __func__, name); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1490 | if ((r = sshbuf_put_cstring(c, name)) != 0 || |
| 1491 | (r = sshbuf_put_string(c, NULL, 0)) != 0) |
| 1492 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1493 | } |
| 1494 | |
| 1495 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1496 | add_string_option(struct sshbuf *c, const char *name, const char *value) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1497 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1498 | struct sshbuf *b; |
| 1499 | int r; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1500 | |
| 1501 | debug3("%s: %s=%s", __func__, name, value); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1502 | if ((b = sshbuf_new()) == NULL) |
| 1503 | fatal("%s: sshbuf_new failed", __func__); |
| 1504 | if ((r = sshbuf_put_cstring(b, value)) != 0 || |
| 1505 | (r = sshbuf_put_cstring(c, name)) != 0 || |
| 1506 | (r = sshbuf_put_stringb(c, b)) != 0) |
| 1507 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1508 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1509 | sshbuf_free(b); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1510 | } |
| 1511 | |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1512 | #define OPTIONS_CRITICAL 1 |
| 1513 | #define OPTIONS_EXTENSIONS 2 |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1514 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1515 | prepare_options_buf(struct sshbuf *c, int which) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1516 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1517 | sshbuf_reset(c); |
Damien Miller | 1da6388 | 2010-08-05 13:03:51 +1000 | [diff] [blame] | 1518 | if ((which & OPTIONS_CRITICAL) != 0 && |
| 1519 | certflags_command != NULL) |
| 1520 | add_string_option(c, "force-command", certflags_command); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1521 | if ((which & OPTIONS_EXTENSIONS) != 0 && |
Damien Miller | 2ce12ef | 2011-05-05 14:17:18 +1000 | [diff] [blame] | 1522 | (certflags_flags & CERTOPT_X_FWD) != 0) |
| 1523 | add_flag_option(c, "permit-X11-forwarding"); |
| 1524 | if ((which & OPTIONS_EXTENSIONS) != 0 && |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1525 | (certflags_flags & CERTOPT_AGENT_FWD) != 0) |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1526 | add_flag_option(c, "permit-agent-forwarding"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1527 | if ((which & OPTIONS_EXTENSIONS) != 0 && |
| 1528 | (certflags_flags & CERTOPT_PORT_FWD) != 0) |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1529 | add_flag_option(c, "permit-port-forwarding"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1530 | if ((which & OPTIONS_EXTENSIONS) != 0 && |
| 1531 | (certflags_flags & CERTOPT_PTY) != 0) |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1532 | add_flag_option(c, "permit-pty"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1533 | if ((which & OPTIONS_EXTENSIONS) != 0 && |
| 1534 | (certflags_flags & CERTOPT_USER_RC) != 0) |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1535 | add_flag_option(c, "permit-user-rc"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1536 | if ((which & OPTIONS_CRITICAL) != 0 && |
| 1537 | certflags_src_addr != NULL) |
| 1538 | add_string_option(c, "source-address", certflags_src_addr); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1539 | } |
| 1540 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1541 | static struct sshkey * |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1542 | load_pkcs11_key(char *path) |
| 1543 | { |
| 1544 | #ifdef ENABLE_PKCS11 |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1545 | struct sshkey **keys = NULL, *public, *private = NULL; |
| 1546 | int r, i, nkeys; |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1547 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1548 | if ((r = sshkey_load_public(path, &public, NULL)) != 0) |
| 1549 | fatal("Couldn't load CA public key \"%s\": %s", |
| 1550 | path, ssh_err(r)); |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1551 | |
| 1552 | nkeys = pkcs11_add_provider(pkcs11provider, identity_passphrase, &keys); |
| 1553 | debug3("%s: %d keys", __func__, nkeys); |
| 1554 | if (nkeys <= 0) |
| 1555 | fatal("cannot read public key from pkcs11"); |
| 1556 | for (i = 0; i < nkeys; i++) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1557 | if (sshkey_equal_public(public, keys[i])) { |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1558 | private = keys[i]; |
| 1559 | continue; |
| 1560 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1561 | sshkey_free(keys[i]); |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1562 | } |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1563 | free(keys); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1564 | sshkey_free(public); |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1565 | return private; |
| 1566 | #else |
| 1567 | fatal("no pkcs11 support"); |
| 1568 | #endif /* ENABLE_PKCS11 */ |
| 1569 | } |
| 1570 | |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1571 | static void |
| 1572 | do_ca_sign(struct passwd *pw, int argc, char **argv) |
| 1573 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1574 | int r, i, fd; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1575 | u_int n; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1576 | struct sshkey *ca, *public; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1577 | char *otmp, *tmp, *cp, *out, *comment, **plist = NULL; |
| 1578 | FILE *f; |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1579 | int v00 = 0; /* legacy keys */ |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1580 | |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1581 | if (key_type_name != NULL) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1582 | switch (sshkey_type_from_name(key_type_name)) { |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1583 | case KEY_RSA_CERT_V00: |
| 1584 | case KEY_DSA_CERT_V00: |
| 1585 | v00 = 1; |
| 1586 | break; |
| 1587 | case KEY_UNSPEC: |
| 1588 | if (strcasecmp(key_type_name, "v00") == 0) { |
| 1589 | v00 = 1; |
| 1590 | break; |
| 1591 | } else if (strcasecmp(key_type_name, "v01") == 0) |
| 1592 | break; |
| 1593 | /* FALLTHROUGH */ |
| 1594 | default: |
| 1595 | fprintf(stderr, "unknown key type %s\n", key_type_name); |
| 1596 | exit(1); |
| 1597 | } |
| 1598 | } |
| 1599 | |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 1600 | #ifdef ENABLE_PKCS11 |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1601 | pkcs11_init(1); |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 1602 | #endif |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1603 | tmp = tilde_expand_filename(ca_key_path, pw->pw_uid); |
| 1604 | if (pkcs11provider != NULL) { |
| 1605 | if ((ca = load_pkcs11_key(tmp)) == NULL) |
| 1606 | fatal("No PKCS#11 key matching %s found", ca_key_path); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1607 | } else |
| 1608 | ca = load_identity(tmp); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1609 | free(tmp); |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1610 | |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1611 | for (i = 0; i < argc; i++) { |
| 1612 | /* Split list of principals */ |
| 1613 | n = 0; |
| 1614 | if (cert_principals != NULL) { |
| 1615 | otmp = tmp = xstrdup(cert_principals); |
| 1616 | plist = NULL; |
| 1617 | for (; (cp = strsep(&tmp, ",")) != NULL; n++) { |
| 1618 | plist = xrealloc(plist, n + 1, sizeof(*plist)); |
| 1619 | if (*(plist[n] = xstrdup(cp)) == '\0') |
| 1620 | fatal("Empty principal name"); |
| 1621 | } |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1622 | free(otmp); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1623 | } |
| 1624 | |
| 1625 | tmp = tilde_expand_filename(argv[i], pw->pw_uid); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1626 | if ((r = sshkey_load_public(tmp, &public, &comment)) != 0) |
| 1627 | fatal("%s: unable to open \"%s\": %s", |
| 1628 | __func__, tmp, ssh_err(r)); |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 1629 | if (public->type != KEY_RSA && public->type != KEY_DSA && |
Damien Miller | 5be9d9e | 2013-12-07 11:24:01 +1100 | [diff] [blame] | 1630 | public->type != KEY_ECDSA && public->type != KEY_ED25519) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1631 | fatal("%s: key \"%s\" type %s cannot be certified", |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1632 | __func__, tmp, sshkey_type(public)); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1633 | |
| 1634 | /* Prepare certificate to sign */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1635 | if ((r = sshkey_to_certified(public, v00)) != 0) |
| 1636 | fatal("Could not upgrade key %s to certificate: %s", |
| 1637 | tmp, ssh_err(r)); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1638 | public->cert->type = cert_key_type; |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1639 | public->cert->serial = (u_int64_t)cert_serial; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1640 | public->cert->key_id = xstrdup(cert_key_id); |
| 1641 | public->cert->nprincipals = n; |
| 1642 | public->cert->principals = plist; |
| 1643 | public->cert->valid_after = cert_valid_from; |
| 1644 | public->cert->valid_before = cert_valid_to; |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1645 | if (v00) { |
Damien Miller | 8668706 | 2014-07-02 15:28:02 +1000 | [diff] [blame] | 1646 | prepare_options_buf(public->cert->critical, |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1647 | OPTIONS_CRITICAL|OPTIONS_EXTENSIONS); |
| 1648 | } else { |
Damien Miller | 8668706 | 2014-07-02 15:28:02 +1000 | [diff] [blame] | 1649 | prepare_options_buf(public->cert->critical, |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1650 | OPTIONS_CRITICAL); |
Damien Miller | 8668706 | 2014-07-02 15:28:02 +1000 | [diff] [blame] | 1651 | prepare_options_buf(public->cert->extensions, |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1652 | OPTIONS_EXTENSIONS); |
| 1653 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1654 | if ((r = sshkey_from_private(ca, |
| 1655 | &public->cert->signature_key)) != 0) |
| 1656 | fatal("key_from_private (ca key): %s", ssh_err(r)); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1657 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1658 | if (sshkey_certify(public, ca) != 0) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1659 | fatal("Couldn't not certify key %s", tmp); |
| 1660 | |
| 1661 | if ((cp = strrchr(tmp, '.')) != NULL && strcmp(cp, ".pub") == 0) |
| 1662 | *cp = '\0'; |
| 1663 | xasprintf(&out, "%s-cert.pub", tmp); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1664 | free(tmp); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1665 | |
| 1666 | if ((fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1) |
| 1667 | fatal("Could not open \"%s\" for writing: %s", out, |
| 1668 | strerror(errno)); |
| 1669 | if ((f = fdopen(fd, "w")) == NULL) |
| 1670 | fatal("%s: fdopen: %s", __func__, strerror(errno)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1671 | if ((r = sshkey_write(public, f)) != 0) |
| 1672 | fatal("Could not write certified key to %s: %s", |
| 1673 | out, ssh_err(r)); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1674 | fprintf(f, " %s\n", comment); |
| 1675 | fclose(f); |
| 1676 | |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1677 | if (!quiet) { |
| 1678 | logit("Signed %s key %s: id \"%s\" serial %llu%s%s " |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1679 | "valid %s", sshkey_cert_type(public), |
Damien Miller | 821de0a | 2011-01-11 17:20:29 +1100 | [diff] [blame] | 1680 | out, public->cert->key_id, |
| 1681 | (unsigned long long)public->cert->serial, |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1682 | cert_principals != NULL ? " for " : "", |
| 1683 | cert_principals != NULL ? cert_principals : "", |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1684 | fmt_validity(cert_valid_from, cert_valid_to)); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1685 | } |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1686 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1687 | sshkey_free(public); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1688 | free(out); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1689 | } |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 1690 | #ifdef ENABLE_PKCS11 |
Damien Miller | 757f34e | 2010-08-05 13:05:31 +1000 | [diff] [blame] | 1691 | pkcs11_terminate(); |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 1692 | #endif |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1693 | exit(0); |
| 1694 | } |
| 1695 | |
| 1696 | static u_int64_t |
| 1697 | parse_relative_time(const char *s, time_t now) |
| 1698 | { |
| 1699 | int64_t mul, secs; |
| 1700 | |
| 1701 | mul = *s == '-' ? -1 : 1; |
| 1702 | |
| 1703 | if ((secs = convtime(s + 1)) == -1) |
| 1704 | fatal("Invalid relative certificate time %s", s); |
| 1705 | if (mul == -1 && secs > now) |
| 1706 | fatal("Certificate time %s cannot be represented", s); |
| 1707 | return now + (u_int64_t)(secs * mul); |
| 1708 | } |
| 1709 | |
| 1710 | static u_int64_t |
| 1711 | parse_absolute_time(const char *s) |
| 1712 | { |
| 1713 | struct tm tm; |
| 1714 | time_t tt; |
Damien Miller | 2ca342b | 2010-03-03 12:14:15 +1100 | [diff] [blame] | 1715 | char buf[32], *fmt; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1716 | |
Damien Miller | 2ca342b | 2010-03-03 12:14:15 +1100 | [diff] [blame] | 1717 | /* |
| 1718 | * POSIX strptime says "The application shall ensure that there |
| 1719 | * is white-space or other non-alphanumeric characters between |
| 1720 | * any two conversion specifications" so arrange things this way. |
| 1721 | */ |
| 1722 | switch (strlen(s)) { |
| 1723 | case 8: |
Damien Miller | 3e1ee49 | 2010-03-08 09:24:11 +1100 | [diff] [blame] | 1724 | fmt = "%Y-%m-%d"; |
| 1725 | snprintf(buf, sizeof(buf), "%.4s-%.2s-%.2s", s, s + 4, s + 6); |
Damien Miller | 2ca342b | 2010-03-03 12:14:15 +1100 | [diff] [blame] | 1726 | break; |
| 1727 | case 14: |
Damien Miller | 3e1ee49 | 2010-03-08 09:24:11 +1100 | [diff] [blame] | 1728 | fmt = "%Y-%m-%dT%H:%M:%S"; |
| 1729 | snprintf(buf, sizeof(buf), "%.4s-%.2s-%.2sT%.2s:%.2s:%.2s", |
Damien Miller | 2ca342b | 2010-03-03 12:14:15 +1100 | [diff] [blame] | 1730 | s, s + 4, s + 6, s + 8, s + 10, s + 12); |
| 1731 | break; |
| 1732 | default: |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1733 | fatal("Invalid certificate time format %s", s); |
Damien Miller | 2ca342b | 2010-03-03 12:14:15 +1100 | [diff] [blame] | 1734 | } |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1735 | |
Damien Miller | 1d2c456 | 2014-02-04 11:18:20 +1100 | [diff] [blame] | 1736 | memset(&tm, 0, sizeof(tm)); |
Damien Miller | 2ca342b | 2010-03-03 12:14:15 +1100 | [diff] [blame] | 1737 | if (strptime(buf, fmt, &tm) == NULL) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1738 | fatal("Invalid certificate time %s", s); |
| 1739 | if ((tt = mktime(&tm)) < 0) |
| 1740 | fatal("Certificate time %s cannot be represented", s); |
| 1741 | return (u_int64_t)tt; |
| 1742 | } |
| 1743 | |
| 1744 | static void |
| 1745 | parse_cert_times(char *timespec) |
| 1746 | { |
| 1747 | char *from, *to; |
| 1748 | time_t now = time(NULL); |
| 1749 | int64_t secs; |
| 1750 | |
| 1751 | /* +timespec relative to now */ |
| 1752 | if (*timespec == '+' && strchr(timespec, ':') == NULL) { |
| 1753 | if ((secs = convtime(timespec + 1)) == -1) |
| 1754 | fatal("Invalid relative certificate life %s", timespec); |
| 1755 | cert_valid_to = now + secs; |
| 1756 | /* |
| 1757 | * Backdate certificate one minute to avoid problems on hosts |
| 1758 | * with poorly-synchronised clocks. |
| 1759 | */ |
| 1760 | cert_valid_from = ((now - 59)/ 60) * 60; |
| 1761 | return; |
| 1762 | } |
| 1763 | |
| 1764 | /* |
| 1765 | * from:to, where |
| 1766 | * from := [+-]timespec | YYYYMMDD | YYYYMMDDHHMMSS |
| 1767 | * to := [+-]timespec | YYYYMMDD | YYYYMMDDHHMMSS |
| 1768 | */ |
| 1769 | from = xstrdup(timespec); |
| 1770 | to = strchr(from, ':'); |
| 1771 | if (to == NULL || from == to || *(to + 1) == '\0') |
Damien Miller | 910f209 | 2010-03-04 14:17:22 +1100 | [diff] [blame] | 1772 | fatal("Invalid certificate life specification %s", timespec); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1773 | *to++ = '\0'; |
| 1774 | |
| 1775 | if (*from == '-' || *from == '+') |
| 1776 | cert_valid_from = parse_relative_time(from, now); |
| 1777 | else |
| 1778 | cert_valid_from = parse_absolute_time(from); |
| 1779 | |
| 1780 | if (*to == '-' || *to == '+') |
Damien Miller | 5b01b0d | 2013-10-23 16:31:31 +1100 | [diff] [blame] | 1781 | cert_valid_to = parse_relative_time(to, now); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1782 | else |
| 1783 | cert_valid_to = parse_absolute_time(to); |
| 1784 | |
| 1785 | if (cert_valid_to <= cert_valid_from) |
| 1786 | fatal("Empty certificate validity interval"); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1787 | free(from); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1788 | } |
| 1789 | |
| 1790 | static void |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1791 | add_cert_option(char *opt) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1792 | { |
| 1793 | char *val; |
| 1794 | |
Damien Miller | 044f4a6 | 2011-05-05 14:14:08 +1000 | [diff] [blame] | 1795 | if (strcasecmp(opt, "clear") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1796 | certflags_flags = 0; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1797 | else if (strcasecmp(opt, "no-x11-forwarding") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1798 | certflags_flags &= ~CERTOPT_X_FWD; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1799 | else if (strcasecmp(opt, "permit-x11-forwarding") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1800 | certflags_flags |= CERTOPT_X_FWD; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1801 | else if (strcasecmp(opt, "no-agent-forwarding") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1802 | certflags_flags &= ~CERTOPT_AGENT_FWD; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1803 | else if (strcasecmp(opt, "permit-agent-forwarding") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1804 | certflags_flags |= CERTOPT_AGENT_FWD; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1805 | else if (strcasecmp(opt, "no-port-forwarding") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1806 | certflags_flags &= ~CERTOPT_PORT_FWD; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1807 | else if (strcasecmp(opt, "permit-port-forwarding") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1808 | certflags_flags |= CERTOPT_PORT_FWD; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1809 | else if (strcasecmp(opt, "no-pty") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1810 | certflags_flags &= ~CERTOPT_PTY; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1811 | else if (strcasecmp(opt, "permit-pty") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1812 | certflags_flags |= CERTOPT_PTY; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1813 | else if (strcasecmp(opt, "no-user-rc") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1814 | certflags_flags &= ~CERTOPT_USER_RC; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1815 | else if (strcasecmp(opt, "permit-user-rc") == 0) |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1816 | certflags_flags |= CERTOPT_USER_RC; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1817 | else if (strncasecmp(opt, "force-command=", 14) == 0) { |
| 1818 | val = opt + 14; |
| 1819 | if (*val == '\0') |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1820 | fatal("Empty force-command option"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1821 | if (certflags_command != NULL) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1822 | fatal("force-command already specified"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1823 | certflags_command = xstrdup(val); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1824 | } else if (strncasecmp(opt, "source-address=", 15) == 0) { |
| 1825 | val = opt + 15; |
| 1826 | if (*val == '\0') |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1827 | fatal("Empty source-address option"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1828 | if (certflags_src_addr != NULL) |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1829 | fatal("source-address already specified"); |
| 1830 | if (addr_match_cidr_list(NULL, val) != 0) |
| 1831 | fatal("Invalid source-address list"); |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 1832 | certflags_src_addr = xstrdup(val); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1833 | } else |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1834 | fatal("Unsupported certificate option \"%s\"", opt); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 1835 | } |
| 1836 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 1837 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1838 | show_options(struct sshbuf *optbuf, int v00, int in_critical) |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1839 | { |
Damien Miller | 633de33 | 2014-05-15 13:48:26 +1000 | [diff] [blame] | 1840 | char *name, *arg; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1841 | struct sshbuf *options, *option = NULL; |
| 1842 | int r; |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1843 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1844 | if ((options = sshbuf_fromb(optbuf)) == NULL) |
| 1845 | fatal("%s: sshbuf_fromb failed", __func__); |
| 1846 | while (sshbuf_len(options) != 0) { |
| 1847 | sshbuf_free(option); |
| 1848 | option = NULL; |
| 1849 | if ((r = sshbuf_get_cstring(options, &name, NULL)) != 0 || |
| 1850 | (r = sshbuf_froms(options, &option)) != 0) |
| 1851 | fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1852 | printf(" %s", name); |
| 1853 | if ((v00 || !in_critical) && |
| 1854 | (strcmp(name, "permit-X11-forwarding") == 0 || |
| 1855 | strcmp(name, "permit-agent-forwarding") == 0 || |
| 1856 | strcmp(name, "permit-port-forwarding") == 0 || |
| 1857 | strcmp(name, "permit-pty") == 0 || |
| 1858 | strcmp(name, "permit-user-rc") == 0)) |
| 1859 | printf("\n"); |
| 1860 | else if ((v00 || in_critical) && |
| 1861 | (strcmp(name, "force-command") == 0 || |
| 1862 | strcmp(name, "source-address") == 0)) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1863 | if ((r = sshbuf_get_cstring(option, &arg, NULL)) != 0) |
| 1864 | fatal("%s: buffer error: %s", |
| 1865 | __func__, ssh_err(r)); |
Damien Miller | 633de33 | 2014-05-15 13:48:26 +1000 | [diff] [blame] | 1866 | printf(" %s\n", arg); |
| 1867 | free(arg); |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1868 | } else { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1869 | printf(" UNKNOWN OPTION (len %zu)\n", |
| 1870 | sshbuf_len(option)); |
| 1871 | sshbuf_reset(option); |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1872 | } |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1873 | free(name); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1874 | if (sshbuf_len(option) != 0) |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1875 | fatal("Option corrupt: extra data at end"); |
| 1876 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1877 | sshbuf_free(option); |
| 1878 | sshbuf_free(options); |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1879 | } |
| 1880 | |
| 1881 | static void |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1882 | do_show_cert(struct passwd *pw) |
| 1883 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1884 | struct sshkey *key; |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1885 | struct stat st; |
| 1886 | char *key_fp, *ca_fp; |
Damien Miller | d834d35 | 2010-06-26 09:48:02 +1000 | [diff] [blame] | 1887 | u_int i, v00; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1888 | int r; |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1889 | |
| 1890 | if (!have_identity) |
| 1891 | ask_filename(pw, "Enter file in which the key is"); |
Damien Miller | ba3420a | 2010-06-26 09:39:07 +1000 | [diff] [blame] | 1892 | if (stat(identity_file, &st) < 0) |
| 1893 | fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1894 | if ((r = sshkey_load_public(identity_file, &key, NULL)) != 0) |
| 1895 | fatal("Cannot load public key \"%s\": %s", |
| 1896 | identity_file, ssh_err(r)); |
| 1897 | if (!sshkey_is_cert(key)) |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1898 | fatal("%s is not a certificate", identity_file); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1899 | v00 = key->type == KEY_RSA_CERT_V00 || key->type == KEY_DSA_CERT_V00; |
| 1900 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1901 | key_fp = sshkey_fingerprint(key, fingerprint_hash, SSH_FP_DEFAULT); |
| 1902 | ca_fp = sshkey_fingerprint(key->cert->signature_key, |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 1903 | fingerprint_hash, SSH_FP_DEFAULT); |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1904 | |
| 1905 | printf("%s:\n", identity_file); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1906 | printf(" Type: %s %s certificate\n", sshkey_ssh_name(key), |
| 1907 | sshkey_cert_type(key)); |
| 1908 | printf(" Public key: %s %s\n", sshkey_type(key), key_fp); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1909 | printf(" Signing CA: %s %s\n", |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1910 | sshkey_type(key->cert->signature_key), ca_fp); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1911 | printf(" Key ID: \"%s\"\n", key->cert->key_id); |
Damien Miller | 821de0a | 2011-01-11 17:20:29 +1100 | [diff] [blame] | 1912 | if (!v00) { |
| 1913 | printf(" Serial: %llu\n", |
| 1914 | (unsigned long long)key->cert->serial); |
| 1915 | } |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1916 | printf(" Valid: %s\n", |
| 1917 | fmt_validity(key->cert->valid_after, key->cert->valid_before)); |
| 1918 | printf(" Principals: "); |
| 1919 | if (key->cert->nprincipals == 0) |
| 1920 | printf("(none)\n"); |
| 1921 | else { |
| 1922 | for (i = 0; i < key->cert->nprincipals; i++) |
| 1923 | printf("\n %s", |
| 1924 | key->cert->principals[i]); |
| 1925 | printf("\n"); |
| 1926 | } |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1927 | printf(" Critical Options: "); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1928 | if (sshbuf_len(key->cert->critical) == 0) |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [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->critical, v00, 1); |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1933 | } |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1934 | if (!v00) { |
| 1935 | printf(" Extensions: "); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1936 | if (sshbuf_len(key->cert->extensions) == 0) |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1937 | printf("(none)\n"); |
| 1938 | else { |
| 1939 | printf("\n"); |
Damien Miller | 8668706 | 2014-07-02 15:28:02 +1000 | [diff] [blame] | 1940 | show_options(key->cert->extensions, v00, 0); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 1941 | } |
| 1942 | } |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 1943 | exit(0); |
| 1944 | } |
| 1945 | |
| 1946 | static void |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1947 | load_krl(const char *path, struct ssh_krl **krlp) |
| 1948 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1949 | struct sshbuf *krlbuf; |
| 1950 | int r, fd; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1951 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1952 | if ((krlbuf = sshbuf_new()) == NULL) |
| 1953 | fatal("sshbuf_new failed"); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1954 | if ((fd = open(path, O_RDONLY)) == -1) |
| 1955 | fatal("open %s: %s", path, strerror(errno)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1956 | if ((r = sshkey_load_file(fd, krlbuf)) != 0) |
| 1957 | fatal("Unable to load KRL: %s", ssh_err(r)); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1958 | close(fd); |
| 1959 | /* XXX check sigs */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1960 | if ((r = ssh_krl_from_blob(krlbuf, krlp, NULL, 0)) != 0 || |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1961 | *krlp == NULL) |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1962 | fatal("Invalid KRL file: %s", ssh_err(r)); |
| 1963 | sshbuf_free(krlbuf); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1964 | } |
| 1965 | |
| 1966 | static void |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1967 | update_krl_from_file(struct passwd *pw, const char *file, |
| 1968 | const struct sshkey *ca, struct ssh_krl *krl) |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1969 | { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 1970 | struct sshkey *key = NULL; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 1971 | u_long lnum = 0; |
| 1972 | char *path, *cp, *ep, line[SSH_MAX_PUBKEY_BYTES]; |
| 1973 | unsigned long long serial, serial2; |
| 1974 | int i, was_explicit_key, was_sha1, r; |
| 1975 | FILE *krl_spec; |
| 1976 | |
| 1977 | path = tilde_expand_filename(file, pw->pw_uid); |
| 1978 | if (strcmp(path, "-") == 0) { |
| 1979 | krl_spec = stdin; |
| 1980 | free(path); |
| 1981 | path = xstrdup("(standard input)"); |
| 1982 | } else if ((krl_spec = fopen(path, "r")) == NULL) |
| 1983 | fatal("fopen %s: %s", path, strerror(errno)); |
| 1984 | |
| 1985 | if (!quiet) |
| 1986 | printf("Revoking from %s\n", path); |
| 1987 | while (read_keyfile_line(krl_spec, path, line, sizeof(line), |
| 1988 | &lnum) == 0) { |
| 1989 | was_explicit_key = was_sha1 = 0; |
| 1990 | cp = line + strspn(line, " \t"); |
| 1991 | /* Trim trailing space, comments and strip \n */ |
| 1992 | for (i = 0, r = -1; cp[i] != '\0'; i++) { |
| 1993 | if (cp[i] == '#' || cp[i] == '\n') { |
| 1994 | cp[i] = '\0'; |
| 1995 | break; |
| 1996 | } |
| 1997 | if (cp[i] == ' ' || cp[i] == '\t') { |
| 1998 | /* Remember the start of a span of whitespace */ |
| 1999 | if (r == -1) |
| 2000 | r = i; |
| 2001 | } else |
| 2002 | r = -1; |
| 2003 | } |
| 2004 | if (r != -1) |
| 2005 | cp[r] = '\0'; |
| 2006 | if (*cp == '\0') |
| 2007 | continue; |
| 2008 | if (strncasecmp(cp, "serial:", 7) == 0) { |
| 2009 | if (ca == NULL) { |
Damien Miller | d234afb | 2013-08-21 02:42:58 +1000 | [diff] [blame] | 2010 | fatal("revoking certificates by serial number " |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2011 | "requires specification of a CA key"); |
| 2012 | } |
| 2013 | cp += 7; |
| 2014 | cp = cp + strspn(cp, " \t"); |
| 2015 | errno = 0; |
| 2016 | serial = strtoull(cp, &ep, 0); |
| 2017 | if (*cp == '\0' || (*ep != '\0' && *ep != '-')) |
| 2018 | fatal("%s:%lu: invalid serial \"%s\"", |
| 2019 | path, lnum, cp); |
| 2020 | if (errno == ERANGE && serial == ULLONG_MAX) |
| 2021 | fatal("%s:%lu: serial out of range", |
| 2022 | path, lnum); |
| 2023 | serial2 = serial; |
| 2024 | if (*ep == '-') { |
| 2025 | cp = ep + 1; |
| 2026 | errno = 0; |
| 2027 | serial2 = strtoull(cp, &ep, 0); |
| 2028 | if (*cp == '\0' || *ep != '\0') |
| 2029 | fatal("%s:%lu: invalid serial \"%s\"", |
| 2030 | path, lnum, cp); |
| 2031 | if (errno == ERANGE && serial2 == ULLONG_MAX) |
| 2032 | fatal("%s:%lu: serial out of range", |
| 2033 | path, lnum); |
| 2034 | if (serial2 <= serial) |
| 2035 | fatal("%s:%lu: invalid serial range " |
| 2036 | "%llu:%llu", path, lnum, |
| 2037 | (unsigned long long)serial, |
| 2038 | (unsigned long long)serial2); |
| 2039 | } |
| 2040 | if (ssh_krl_revoke_cert_by_serial_range(krl, |
| 2041 | ca, serial, serial2) != 0) { |
| 2042 | fatal("%s: revoke serial failed", |
| 2043 | __func__); |
| 2044 | } |
| 2045 | } else if (strncasecmp(cp, "id:", 3) == 0) { |
| 2046 | if (ca == NULL) { |
Damien Miller | d5d9d7b | 2013-08-21 02:43:27 +1000 | [diff] [blame] | 2047 | fatal("revoking certificates by key ID " |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2048 | "requires specification of a CA key"); |
| 2049 | } |
| 2050 | cp += 3; |
| 2051 | cp = cp + strspn(cp, " \t"); |
| 2052 | if (ssh_krl_revoke_cert_by_key_id(krl, ca, cp) != 0) |
| 2053 | fatal("%s: revoke key ID failed", __func__); |
| 2054 | } else { |
| 2055 | if (strncasecmp(cp, "key:", 4) == 0) { |
| 2056 | cp += 4; |
| 2057 | cp = cp + strspn(cp, " \t"); |
| 2058 | was_explicit_key = 1; |
| 2059 | } else if (strncasecmp(cp, "sha1:", 5) == 0) { |
| 2060 | cp += 5; |
| 2061 | cp = cp + strspn(cp, " \t"); |
| 2062 | was_sha1 = 1; |
| 2063 | } else { |
| 2064 | /* |
| 2065 | * Just try to process the line as a key. |
| 2066 | * Parsing will fail if it isn't. |
| 2067 | */ |
| 2068 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2069 | if ((key = sshkey_new(KEY_UNSPEC)) == NULL) |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2070 | fatal("key_new"); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2071 | if ((r = sshkey_read(key, &cp)) != 0) |
| 2072 | fatal("%s:%lu: invalid key: %s", |
| 2073 | path, lnum, ssh_err(r)); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2074 | if (was_explicit_key) |
| 2075 | r = ssh_krl_revoke_key_explicit(krl, key); |
| 2076 | else if (was_sha1) |
| 2077 | r = ssh_krl_revoke_key_sha1(krl, key); |
| 2078 | else |
| 2079 | r = ssh_krl_revoke_key(krl, key); |
| 2080 | if (r != 0) |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2081 | fatal("%s: revoke key failed: %s", |
| 2082 | __func__, ssh_err(r)); |
| 2083 | sshkey_free(key); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2084 | } |
| 2085 | } |
| 2086 | if (strcmp(path, "-") != 0) |
| 2087 | fclose(krl_spec); |
Damien Miller | 0d6771b | 2013-04-23 15:23:24 +1000 | [diff] [blame] | 2088 | free(path); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2089 | } |
| 2090 | |
| 2091 | static void |
| 2092 | do_gen_krl(struct passwd *pw, int updating, int argc, char **argv) |
| 2093 | { |
| 2094 | struct ssh_krl *krl; |
| 2095 | struct stat sb; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2096 | struct sshkey *ca = NULL; |
| 2097 | int fd, i, r; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2098 | char *tmp; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2099 | struct sshbuf *kbuf; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2100 | |
| 2101 | if (*identity_file == '\0') |
| 2102 | fatal("KRL generation requires an output file"); |
| 2103 | if (stat(identity_file, &sb) == -1) { |
| 2104 | if (errno != ENOENT) |
| 2105 | fatal("Cannot access KRL \"%s\": %s", |
| 2106 | identity_file, strerror(errno)); |
| 2107 | if (updating) |
| 2108 | fatal("KRL \"%s\" does not exist", identity_file); |
| 2109 | } |
| 2110 | if (ca_key_path != NULL) { |
| 2111 | tmp = tilde_expand_filename(ca_key_path, pw->pw_uid); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2112 | if ((r = sshkey_load_public(tmp, &ca, NULL)) != 0) |
| 2113 | fatal("Cannot load CA public key %s: %s", |
| 2114 | tmp, ssh_err(r)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 2115 | free(tmp); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2116 | } |
| 2117 | |
| 2118 | if (updating) |
| 2119 | load_krl(identity_file, &krl); |
| 2120 | else if ((krl = ssh_krl_init()) == NULL) |
| 2121 | fatal("couldn't create KRL"); |
| 2122 | |
| 2123 | if (cert_serial != 0) |
| 2124 | ssh_krl_set_version(krl, cert_serial); |
| 2125 | if (identity_comment != NULL) |
| 2126 | ssh_krl_set_comment(krl, identity_comment); |
| 2127 | |
| 2128 | for (i = 0; i < argc; i++) |
| 2129 | update_krl_from_file(pw, argv[i], ca, krl); |
| 2130 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2131 | if ((kbuf = sshbuf_new()) == NULL) |
| 2132 | fatal("sshbuf_new failed"); |
| 2133 | if (ssh_krl_to_blob(krl, kbuf, NULL, 0) != 0) |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2134 | fatal("Couldn't generate KRL"); |
| 2135 | if ((fd = open(identity_file, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1) |
| 2136 | fatal("open %s: %s", identity_file, strerror(errno)); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2137 | if (atomicio(vwrite, fd, (void *)sshbuf_ptr(kbuf), sshbuf_len(kbuf)) != |
| 2138 | sshbuf_len(kbuf)) |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2139 | fatal("write %s: %s", identity_file, strerror(errno)); |
| 2140 | close(fd); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2141 | sshbuf_free(kbuf); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2142 | ssh_krl_free(krl); |
Damien Miller | 0d6771b | 2013-04-23 15:23:24 +1000 | [diff] [blame] | 2143 | if (ca != NULL) |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2144 | sshkey_free(ca); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2145 | } |
| 2146 | |
| 2147 | static void |
| 2148 | do_check_krl(struct passwd *pw, int argc, char **argv) |
| 2149 | { |
| 2150 | int i, r, ret = 0; |
| 2151 | char *comment; |
| 2152 | struct ssh_krl *krl; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2153 | struct sshkey *k; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2154 | |
| 2155 | if (*identity_file == '\0') |
| 2156 | fatal("KRL checking requires an input file"); |
| 2157 | load_krl(identity_file, &krl); |
| 2158 | for (i = 0; i < argc; i++) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2159 | if ((r = sshkey_load_public(argv[i], &k, &comment)) != 0) |
| 2160 | fatal("Cannot load public key %s: %s", |
| 2161 | argv[i], ssh_err(r)); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2162 | r = ssh_krl_check_key(krl, k); |
| 2163 | printf("%s%s%s%s: %s\n", argv[i], |
| 2164 | *comment ? " (" : "", comment, *comment ? ")" : "", |
| 2165 | r == 0 ? "ok" : "REVOKED"); |
| 2166 | if (r != 0) |
| 2167 | ret = 1; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2168 | sshkey_free(k); |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2169 | free(comment); |
| 2170 | } |
| 2171 | ssh_krl_free(krl); |
| 2172 | exit(ret); |
| 2173 | } |
| 2174 | |
| 2175 | static void |
Damien Miller | 431f66b | 1999-11-21 18:31:57 +1100 | [diff] [blame] | 2176 | usage(void) |
| 2177 | { |
Damien Miller | f0858de | 2014-04-20 13:01:30 +1000 | [diff] [blame] | 2178 | fprintf(stderr, |
| 2179 | "usage: ssh-keygen [-q] [-b bits] [-t dsa | ecdsa | ed25519 | rsa | rsa1]\n" |
| 2180 | " [-N new_passphrase] [-C comment] [-f output_keyfile]\n" |
| 2181 | " ssh-keygen -p [-P old_passphrase] [-N new_passphrase] [-f keyfile]\n" |
| 2182 | " ssh-keygen -i [-m key_format] [-f input_keyfile]\n" |
| 2183 | " ssh-keygen -e [-m key_format] [-f input_keyfile]\n" |
| 2184 | " ssh-keygen -y [-f input_keyfile]\n" |
| 2185 | " ssh-keygen -c [-P passphrase] [-C comment] [-f keyfile]\n" |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 2186 | " ssh-keygen -l [-E fingerprint_hash] [-f input_keyfile]\n" |
Damien Miller | f0858de | 2014-04-20 13:01:30 +1000 | [diff] [blame] | 2187 | " ssh-keygen -B [-f input_keyfile]\n"); |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 2188 | #ifdef ENABLE_PKCS11 |
Damien Miller | f0858de | 2014-04-20 13:01:30 +1000 | [diff] [blame] | 2189 | fprintf(stderr, |
| 2190 | " ssh-keygen -D pkcs11\n"); |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 2191 | #endif |
Damien Miller | f0858de | 2014-04-20 13:01:30 +1000 | [diff] [blame] | 2192 | fprintf(stderr, |
| 2193 | " ssh-keygen -F hostname [-f known_hosts_file] [-l]\n" |
| 2194 | " ssh-keygen -H [-f known_hosts_file]\n" |
| 2195 | " ssh-keygen -R hostname [-f known_hosts_file]\n" |
| 2196 | " ssh-keygen -r hostname [-f input_keyfile] [-g]\n" |
| 2197 | " ssh-keygen -G output_file [-v] [-b bits] [-M memory] [-S start_point]\n" |
| 2198 | " ssh-keygen -T output_file -f input_file [-v] [-a rounds] [-J num_lines]\n" |
| 2199 | " [-j start_line] [-K checkpt] [-W generator]\n" |
| 2200 | " ssh-keygen -s ca_key -I certificate_identity [-h] [-n principals]\n" |
| 2201 | " [-O option] [-V validity_interval] [-z serial_number] file ...\n" |
| 2202 | " ssh-keygen -L [-f input_keyfile]\n" |
| 2203 | " ssh-keygen -A\n" |
| 2204 | " ssh-keygen -k -f krl_file [-u] [-s ca_public] [-z version_number]\n" |
| 2205 | " file ...\n" |
| 2206 | " ssh-keygen -Q -f krl_file file ...\n"); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2207 | exit(1); |
Damien Miller | 431f66b | 1999-11-21 18:31:57 +1100 | [diff] [blame] | 2208 | } |
| 2209 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2210 | /* |
| 2211 | * Main program for key management. |
| 2212 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 2213 | int |
Damien Miller | df8b7db | 2007-01-05 16:22:57 +1100 | [diff] [blame] | 2214 | main(int argc, char **argv) |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 2215 | { |
deraadt@openbsd.org | 2ae4f33 | 2015-01-16 06:40:12 +0000 | [diff] [blame] | 2216 | char dotsshdir[PATH_MAX], comment[1024], *passphrase1, *passphrase2; |
Damien Miller | 390d056 | 2011-10-18 16:05:19 +1100 | [diff] [blame] | 2217 | char *checkpoint = NULL; |
deraadt@openbsd.org | 2ae4f33 | 2015-01-16 06:40:12 +0000 | [diff] [blame] | 2218 | char out_file[PATH_MAX], *rr_hostname = NULL, *ep; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2219 | struct sshkey *private, *public; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2220 | struct passwd *pw; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2221 | struct stat st; |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2222 | int r, opt, type, fd; |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 2223 | u_int32_t memory = 0, generator_wanted = 0; |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2224 | int do_gen_candidates = 0, do_screen_candidates = 0; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2225 | 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] | 2226 | unsigned long start_lineno = 0, lines_to_process = 0; |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2227 | BIGNUM *start = NULL; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2228 | FILE *f; |
Damien Miller | 02e754f | 2005-05-26 12:19:39 +1000 | [diff] [blame] | 2229 | const char *errstr; |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 2230 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2231 | extern int optind; |
| 2232 | extern char *optarg; |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 2233 | |
Darren Tucker | ce321d8 | 2005-10-03 18:11:24 +1000 | [diff] [blame] | 2234 | /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ |
| 2235 | sanitise_stdfd(); |
| 2236 | |
Darren Tucker | 9ac56e9 | 2007-01-14 10:19:59 +1100 | [diff] [blame] | 2237 | __progname = ssh_get_progname(argv[0]); |
Damien Miller | f9b625c | 2000-07-09 22:42:32 +1000 | [diff] [blame] | 2238 | |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 2239 | #ifdef WITH_OPENSSL |
Damien Miller | 4314c2b | 2010-09-10 11:12:09 +1000 | [diff] [blame] | 2240 | OpenSSL_add_all_algorithms(); |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 2241 | #endif |
Damien Miller | df8b7db | 2007-01-05 16:22:57 +1100 | [diff] [blame] | 2242 | log_init(argv[0], SYSLOG_LEVEL_INFO, SYSLOG_FACILITY_USER, 1); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2243 | |
Kevin Steves | 3a88191 | 2002-07-20 19:05:40 +0000 | [diff] [blame] | 2244 | seed_rng(); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2245 | |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 2246 | /* we need this for the home * directory. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2247 | pw = getpwuid(getuid()); |
| 2248 | if (!pw) { |
Damien Miller | 3009d3c | 2013-07-20 13:22:31 +1000 | [diff] [blame] | 2249 | printf("No user exists for uid %lu\n", (u_long)getuid()); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2250 | exit(1); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 2251 | } |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2252 | if (gethostname(hostname, sizeof(hostname)) < 0) { |
| 2253 | perror("gethostname"); |
| 2254 | exit(1); |
| 2255 | } |
Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 2256 | |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 2257 | /* Remaining characters: UYdw */ |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 2258 | while ((opt = getopt(argc, argv, "ABHLQXceghiklopquvxy" |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 2259 | "C:D:E:F:G:I:J:K:M:N:O:P:R:S:T:V:W:Z:" |
| 2260 | "a:b:f:g:j:m:n:r:s:t:z:")) != -1) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2261 | switch (opt) { |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 2262 | case 'A': |
| 2263 | gen_all_hostkeys = 1; |
| 2264 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2265 | case 'b': |
Damien Miller | 5773794 | 2010-09-10 11:16:37 +1000 | [diff] [blame] | 2266 | bits = (u_int32_t)strtonum(optarg, 256, 32768, &errstr); |
Damien Miller | 02e754f | 2005-05-26 12:19:39 +1000 | [diff] [blame] | 2267 | if (errstr) |
| 2268 | fatal("Bits has bad value %s (%s)", |
| 2269 | optarg, errstr); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2270 | break; |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 2271 | case 'E': |
| 2272 | fingerprint_hash = ssh_digest_alg_by_name(optarg); |
| 2273 | if (fingerprint_hash == -1) |
| 2274 | fatal("Invalid hash algorithm \"%s\"", optarg); |
| 2275 | break; |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 2276 | case 'F': |
| 2277 | find_host = 1; |
| 2278 | rr_hostname = optarg; |
| 2279 | break; |
| 2280 | case 'H': |
| 2281 | hash_hosts = 1; |
| 2282 | break; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2283 | case 'I': |
| 2284 | cert_key_id = optarg; |
| 2285 | break; |
Damien Miller | dfceafe | 2012-07-06 13:44:19 +1000 | [diff] [blame] | 2286 | case 'J': |
| 2287 | lines_to_process = strtoul(optarg, NULL, 10); |
| 2288 | break; |
| 2289 | case 'j': |
| 2290 | start_lineno = strtoul(optarg, NULL, 10); |
| 2291 | break; |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 2292 | case 'R': |
| 2293 | delete_host = 1; |
| 2294 | rr_hostname = optarg; |
| 2295 | break; |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 2296 | case 'L': |
| 2297 | show_cert = 1; |
| 2298 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2299 | case 'l': |
| 2300 | print_fingerprint = 1; |
| 2301 | break; |
Ben Lindstrom | 8fd372b | 2001-03-12 03:02:17 +0000 | [diff] [blame] | 2302 | case 'B': |
| 2303 | print_bubblebabble = 1; |
| 2304 | break; |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 2305 | case 'm': |
| 2306 | if (strcasecmp(optarg, "RFC4716") == 0 || |
| 2307 | strcasecmp(optarg, "ssh2") == 0) { |
| 2308 | convert_format = FMT_RFC4716; |
| 2309 | break; |
| 2310 | } |
| 2311 | if (strcasecmp(optarg, "PKCS8") == 0) { |
| 2312 | convert_format = FMT_PKCS8; |
| 2313 | break; |
| 2314 | } |
| 2315 | if (strcasecmp(optarg, "PEM") == 0) { |
| 2316 | convert_format = FMT_PEM; |
| 2317 | break; |
| 2318 | } |
| 2319 | fatal("Unsupported conversion format \"%s\"", optarg); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2320 | case 'n': |
| 2321 | cert_principals = optarg; |
| 2322 | break; |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 2323 | case 'o': |
| 2324 | use_new_format = 1; |
| 2325 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2326 | case 'p': |
| 2327 | change_passphrase = 1; |
| 2328 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2329 | case 'c': |
| 2330 | change_comment = 1; |
| 2331 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2332 | case 'f': |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 2333 | if (strlcpy(identity_file, optarg, sizeof(identity_file)) >= |
| 2334 | sizeof(identity_file)) |
| 2335 | fatal("Identity filename too long"); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2336 | have_identity = 1; |
| 2337 | break; |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 2338 | case 'g': |
| 2339 | print_generic = 1; |
| 2340 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2341 | case 'P': |
| 2342 | identity_passphrase = optarg; |
| 2343 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2344 | case 'N': |
| 2345 | identity_new_passphrase = optarg; |
| 2346 | break; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2347 | case 'Q': |
| 2348 | check_krl = 1; |
| 2349 | break; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2350 | case 'O': |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 2351 | add_cert_option(optarg); |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2352 | break; |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 2353 | case 'Z': |
| 2354 | new_format_cipher = optarg; |
| 2355 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2356 | case 'C': |
| 2357 | identity_comment = optarg; |
| 2358 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2359 | case 'q': |
| 2360 | quiet = 1; |
| 2361 | break; |
Ben Lindstrom | 5a70782 | 2001-04-22 17:15:46 +0000 | [diff] [blame] | 2362 | case 'e': |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2363 | case 'x': |
Ben Lindstrom | 5a70782 | 2001-04-22 17:15:46 +0000 | [diff] [blame] | 2364 | /* export key */ |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 2365 | convert_to = 1; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2366 | break; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2367 | case 'h': |
| 2368 | cert_key_type = SSH2_CERT_TYPE_HOST; |
Damien Miller | d0e4a8e | 2010-05-21 14:58:32 +1000 | [diff] [blame] | 2369 | certflags_flags = 0; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2370 | break; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2371 | case 'k': |
| 2372 | gen_krl = 1; |
| 2373 | break; |
Ben Lindstrom | 5a70782 | 2001-04-22 17:15:46 +0000 | [diff] [blame] | 2374 | case 'i': |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2375 | case 'X': |
Ben Lindstrom | 5a70782 | 2001-04-22 17:15:46 +0000 | [diff] [blame] | 2376 | /* import key */ |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 2377 | convert_from = 1; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2378 | break; |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2379 | case 'y': |
| 2380 | print_public = 1; |
| 2381 | break; |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2382 | case 's': |
| 2383 | ca_key_path = optarg; |
| 2384 | break; |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 2385 | case 't': |
| 2386 | key_type_name = optarg; |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 2387 | break; |
Ben Lindstrom | 8282d6a | 2001-08-06 21:44:05 +0000 | [diff] [blame] | 2388 | case 'D': |
Damien Miller | 7ea845e | 2010-02-12 09:21:02 +1100 | [diff] [blame] | 2389 | pkcs11provider = optarg; |
Ben Lindstrom | cd39228 | 2001-07-04 03:44:03 +0000 | [diff] [blame] | 2390 | break; |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2391 | case 'u': |
| 2392 | update_krl = 1; |
| 2393 | break; |
Darren Tucker | 06930c7 | 2003-12-31 11:34:51 +1100 | [diff] [blame] | 2394 | case 'v': |
| 2395 | if (log_level == SYSLOG_LEVEL_INFO) |
| 2396 | log_level = SYSLOG_LEVEL_DEBUG1; |
| 2397 | else { |
Darren Tucker | fc95970 | 2004-07-17 16:12:08 +1000 | [diff] [blame] | 2398 | if (log_level >= SYSLOG_LEVEL_DEBUG1 && |
Darren Tucker | 06930c7 | 2003-12-31 11:34:51 +1100 | [diff] [blame] | 2399 | log_level < SYSLOG_LEVEL_DEBUG3) |
| 2400 | log_level++; |
| 2401 | } |
| 2402 | break; |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 2403 | case 'r': |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 2404 | rr_hostname = optarg; |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 2405 | break; |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2406 | case 'W': |
Damien Miller | 5f34006 | 2006-03-26 14:27:57 +1100 | [diff] [blame] | 2407 | generator_wanted = (u_int32_t)strtonum(optarg, 1, |
| 2408 | UINT_MAX, &errstr); |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 2409 | if (errstr) |
| 2410 | fatal("Desired generator has bad value: %s (%s)", |
| 2411 | optarg, errstr); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2412 | break; |
| 2413 | case 'a': |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 2414 | rounds = (int)strtonum(optarg, 1, INT_MAX, &errstr); |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 2415 | if (errstr) |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 2416 | fatal("Invalid number: %s (%s)", |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 2417 | optarg, errstr); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2418 | break; |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 2419 | #ifdef WITH_OPENSSL |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2420 | case 'M': |
Damien Miller | 5f34006 | 2006-03-26 14:27:57 +1100 | [diff] [blame] | 2421 | memory = (u_int32_t)strtonum(optarg, 1, UINT_MAX, &errstr); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 2422 | if (errstr) |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 2423 | fatal("Memory limit is %s: %s", errstr, optarg); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2424 | break; |
| 2425 | case 'G': |
| 2426 | do_gen_candidates = 1; |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 2427 | if (strlcpy(out_file, optarg, sizeof(out_file)) >= |
| 2428 | sizeof(out_file)) |
| 2429 | fatal("Output filename too long"); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2430 | break; |
| 2431 | case 'T': |
| 2432 | do_screen_candidates = 1; |
Damien Miller | b089fb5 | 2005-05-26 12:16:18 +1000 | [diff] [blame] | 2433 | if (strlcpy(out_file, optarg, sizeof(out_file)) >= |
| 2434 | sizeof(out_file)) |
| 2435 | fatal("Output filename too long"); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2436 | break; |
Damien Miller | 390d056 | 2011-10-18 16:05:19 +1100 | [diff] [blame] | 2437 | case 'K': |
deraadt@openbsd.org | 2ae4f33 | 2015-01-16 06:40:12 +0000 | [diff] [blame] | 2438 | if (strlen(optarg) >= PATH_MAX) |
Damien Miller | 390d056 | 2011-10-18 16:05:19 +1100 | [diff] [blame] | 2439 | fatal("Checkpoint filename too long"); |
| 2440 | checkpoint = xstrdup(optarg); |
| 2441 | break; |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2442 | case 'S': |
| 2443 | /* XXX - also compare length against bits */ |
| 2444 | if (BN_hex2bn(&start, optarg) == 0) |
| 2445 | fatal("Invalid start point."); |
| 2446 | break; |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 2447 | #endif /* WITH_OPENSSL */ |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2448 | case 'V': |
| 2449 | parse_cert_times(optarg); |
| 2450 | break; |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 2451 | case 'z': |
Damien Miller | 6f3b362 | 2012-11-14 19:04:33 +1100 | [diff] [blame] | 2452 | errno = 0; |
| 2453 | cert_serial = strtoull(optarg, &ep, 10); |
| 2454 | if (*optarg < '0' || *optarg > '9' || *ep != '\0' || |
| 2455 | (errno == ERANGE && cert_serial == ULLONG_MAX)) |
| 2456 | fatal("Invalid serial number \"%s\"", optarg); |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 2457 | break; |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2458 | case '?': |
| 2459 | default: |
| 2460 | usage(); |
| 2461 | } |
| 2462 | } |
Darren Tucker | 06930c7 | 2003-12-31 11:34:51 +1100 | [diff] [blame] | 2463 | |
| 2464 | /* reinit */ |
Damien Miller | df8b7db | 2007-01-05 16:22:57 +1100 | [diff] [blame] | 2465 | log_init(argv[0], log_level, SYSLOG_FACILITY_USER, 1); |
Darren Tucker | 06930c7 | 2003-12-31 11:34:51 +1100 | [diff] [blame] | 2466 | |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2467 | argv += optind; |
| 2468 | argc -= optind; |
| 2469 | |
| 2470 | if (ca_key_path != NULL) { |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2471 | if (argc < 1 && !gen_krl) { |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2472 | printf("Too few arguments.\n"); |
| 2473 | usage(); |
| 2474 | } |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2475 | } else if (argc > 0 && !gen_krl && !check_krl) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2476 | printf("Too many arguments.\n"); |
| 2477 | usage(); |
| 2478 | } |
| 2479 | if (change_passphrase && change_comment) { |
| 2480 | printf("Can only have one of -p and -c.\n"); |
| 2481 | usage(); |
| 2482 | } |
Darren Tucker | 0f7e910 | 2008-06-08 12:54:29 +1000 | [diff] [blame] | 2483 | if (print_fingerprint && (delete_host || hash_hosts)) { |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 2484 | printf("Cannot use -l with -H or -R.\n"); |
Darren Tucker | 0f7e910 | 2008-06-08 12:54:29 +1000 | [diff] [blame] | 2485 | usage(); |
| 2486 | } |
Damien Miller | f3747bf | 2013-01-18 11:44:04 +1100 | [diff] [blame] | 2487 | if (gen_krl) { |
| 2488 | do_gen_krl(pw, update_krl, argc, argv); |
| 2489 | return (0); |
| 2490 | } |
| 2491 | if (check_krl) { |
| 2492 | do_check_krl(pw, argc, argv); |
| 2493 | return (0); |
| 2494 | } |
Damien Miller | 0a80ca1 | 2010-02-27 07:55:05 +1100 | [diff] [blame] | 2495 | if (ca_key_path != NULL) { |
| 2496 | if (cert_key_id == NULL) |
| 2497 | fatal("Must specify key id (-I) when certifying"); |
| 2498 | do_ca_sign(pw, argc, argv); |
| 2499 | } |
Damien Miller | f2b70ca | 2010-03-05 07:39:35 +1100 | [diff] [blame] | 2500 | if (show_cert) |
| 2501 | do_show_cert(pw); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 2502 | if (delete_host || hash_hosts || find_host) |
| 2503 | do_known_hosts(pw, rr_hostname); |
Damien Miller | ec77c95 | 2013-01-09 15:58:00 +1100 | [diff] [blame] | 2504 | if (pkcs11provider != NULL) |
| 2505 | do_download(pw); |
Ben Lindstrom | 8fd372b | 2001-03-12 03:02:17 +0000 | [diff] [blame] | 2506 | if (print_fingerprint || print_bubblebabble) |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2507 | do_fingerprint(pw); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2508 | if (change_passphrase) |
| 2509 | do_change_passphrase(pw); |
Damien Miller | 4a10d2e | 2002-03-11 22:53:29 +1100 | [diff] [blame] | 2510 | if (change_comment) |
| 2511 | do_change_comment(pw); |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 2512 | #ifdef WITH_OPENSSL |
Damien Miller | 44b2504 | 2010-07-02 13:35:01 +1000 | [diff] [blame] | 2513 | if (convert_to) |
| 2514 | do_convert_to(pw); |
| 2515 | if (convert_from) |
| 2516 | do_convert_from(pw); |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 2517 | #endif |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2518 | if (print_public) |
| 2519 | do_print_public(pw); |
Damien Miller | 4b42d7f | 2005-03-01 21:48:35 +1100 | [diff] [blame] | 2520 | if (rr_hostname != NULL) { |
Damien Miller | cb31482 | 2006-03-26 13:48:01 +1100 | [diff] [blame] | 2521 | unsigned int n = 0; |
| 2522 | |
| 2523 | if (have_identity) { |
| 2524 | n = do_print_resource_record(pw, |
| 2525 | identity_file, rr_hostname); |
| 2526 | if (n == 0) { |
| 2527 | perror(identity_file); |
| 2528 | exit(1); |
| 2529 | } |
| 2530 | exit(0); |
| 2531 | } else { |
| 2532 | |
| 2533 | n += do_print_resource_record(pw, |
| 2534 | _PATH_HOST_RSA_KEY_FILE, rr_hostname); |
| 2535 | n += do_print_resource_record(pw, |
| 2536 | _PATH_HOST_DSA_KEY_FILE, rr_hostname); |
Damien Miller | 3bde12a | 2012-06-20 21:51:11 +1000 | [diff] [blame] | 2537 | n += do_print_resource_record(pw, |
| 2538 | _PATH_HOST_ECDSA_KEY_FILE, rr_hostname); |
Damien Miller | 16cd392 | 2014-05-15 13:45:58 +1000 | [diff] [blame] | 2539 | n += do_print_resource_record(pw, |
| 2540 | _PATH_HOST_ED25519_KEY_FILE, rr_hostname); |
Damien Miller | cb31482 | 2006-03-26 13:48:01 +1100 | [diff] [blame] | 2541 | if (n == 0) |
| 2542 | fatal("no keys found."); |
| 2543 | exit(0); |
| 2544 | } |
Damien Miller | 37876e9 | 2003-05-15 10:19:46 +1000 | [diff] [blame] | 2545 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2546 | |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2547 | if (do_gen_candidates) { |
| 2548 | FILE *out = fopen(out_file, "w"); |
Damien Miller | 787b2ec | 2003-11-21 23:56:47 +1100 | [diff] [blame] | 2549 | |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2550 | if (out == NULL) { |
| 2551 | error("Couldn't open modulus candidate file \"%s\": %s", |
| 2552 | out_file, strerror(errno)); |
| 2553 | return (1); |
| 2554 | } |
Damien Miller | 3f54a9f | 2005-11-05 14:52:18 +1100 | [diff] [blame] | 2555 | if (bits == 0) |
| 2556 | bits = DEFAULT_BITS; |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2557 | if (gen_candidates(out, memory, bits, start) != 0) |
Damien Miller | 15d72a0 | 2005-11-05 15:07:33 +1100 | [diff] [blame] | 2558 | fatal("modulus candidate generation failed"); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2559 | |
| 2560 | return (0); |
| 2561 | } |
| 2562 | |
| 2563 | if (do_screen_candidates) { |
| 2564 | FILE *in; |
Damien Miller | 78d2271 | 2013-02-12 11:03:36 +1100 | [diff] [blame] | 2565 | FILE *out = fopen(out_file, "a"); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2566 | |
| 2567 | if (have_identity && strcmp(identity_file, "-") != 0) { |
| 2568 | if ((in = fopen(identity_file, "r")) == NULL) { |
| 2569 | fatal("Couldn't open modulus candidate " |
Damien Miller | a8e06ce | 2003-11-21 23:48:55 +1100 | [diff] [blame] | 2570 | "file \"%s\": %s", identity_file, |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2571 | strerror(errno)); |
| 2572 | } |
| 2573 | } else |
| 2574 | in = stdin; |
| 2575 | |
| 2576 | if (out == NULL) { |
| 2577 | fatal("Couldn't open moduli file \"%s\": %s", |
| 2578 | out_file, strerror(errno)); |
| 2579 | } |
Damien Miller | bcd00ab | 2013-12-07 10:41:55 +1100 | [diff] [blame] | 2580 | if (prime_test(in, out, rounds == 0 ? 100 : rounds, |
| 2581 | generator_wanted, checkpoint, |
Damien Miller | dfceafe | 2012-07-06 13:44:19 +1000 | [diff] [blame] | 2582 | start_lineno, lines_to_process) != 0) |
Damien Miller | 15d72a0 | 2005-11-05 15:07:33 +1100 | [diff] [blame] | 2583 | fatal("modulus screening failed"); |
Darren Tucker | f4220e6 | 2003-08-21 16:44:07 +1000 | [diff] [blame] | 2584 | return (0); |
Darren Tucker | 019cefe | 2003-08-02 22:40:07 +1000 | [diff] [blame] | 2585 | } |
| 2586 | |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 2587 | if (gen_all_hostkeys) { |
| 2588 | do_gen_all_hostkeys(pw); |
| 2589 | return (0); |
| 2590 | } |
| 2591 | |
Damien Miller | f14be5c | 2005-11-05 15:15:49 +1100 | [diff] [blame] | 2592 | if (key_type_name == NULL) |
| 2593 | key_type_name = "rsa"; |
| 2594 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2595 | type = sshkey_type_from_name(key_type_name); |
djm@openbsd.org | 7efb455 | 2015-01-18 13:22:28 +0000 | [diff] [blame] | 2596 | type_bits_valid(type, key_type_name, &bits); |
Damien Miller | 58f1baf | 2011-05-05 14:06:15 +1000 | [diff] [blame] | 2597 | |
Darren Tucker | 3af2ac5 | 2005-11-29 13:10:24 +1100 | [diff] [blame] | 2598 | if (!quiet) |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2599 | printf("Generating public/private %s key pair.\n", |
| 2600 | key_type_name); |
| 2601 | if ((r = sshkey_generate(type, bits, &private)) != 0) { |
Damien Miller | 9eab956 | 2009-02-22 08:47:02 +1100 | [diff] [blame] | 2602 | fprintf(stderr, "key_generate failed\n"); |
Damien Miller | 0bc1bd8 | 2000-11-13 22:57:25 +1100 | [diff] [blame] | 2603 | exit(1); |
| 2604 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2605 | if ((r = sshkey_from_private(private, &public)) != 0) { |
| 2606 | fprintf(stderr, "key_from_private failed: %s\n", ssh_err(r)); |
| 2607 | exit(1); |
| 2608 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2609 | |
| 2610 | if (!have_identity) |
| 2611 | ask_filename(pw, "Enter file in which to save the key"); |
| 2612 | |
Damien Miller | 788f212 | 2005-11-05 15:14:59 +1100 | [diff] [blame] | 2613 | /* Create ~/.ssh directory if it doesn't already exist. */ |
Damien Miller | 50af79b | 2010-05-10 11:52:00 +1000 | [diff] [blame] | 2614 | snprintf(dotsshdir, sizeof dotsshdir, "%s/%s", |
| 2615 | pw->pw_dir, _PATH_SSH_USER_DIR); |
| 2616 | if (strstr(identity_file, dotsshdir) != NULL) { |
| 2617 | if (stat(dotsshdir, &st) < 0) { |
| 2618 | if (errno != ENOENT) { |
| 2619 | error("Could not stat %s: %s", dotsshdir, |
| 2620 | strerror(errno)); |
| 2621 | } else if (mkdir(dotsshdir, 0700) < 0) { |
| 2622 | error("Could not create directory '%s': %s", |
| 2623 | dotsshdir, strerror(errno)); |
| 2624 | } else if (!quiet) |
| 2625 | printf("Created directory '%s'.\n", dotsshdir); |
| 2626 | } |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2627 | } |
| 2628 | /* If the file already exists, ask the user to confirm. */ |
| 2629 | if (stat(identity_file, &st) >= 0) { |
| 2630 | char yesno[3]; |
| 2631 | printf("%s already exists.\n", identity_file); |
| 2632 | printf("Overwrite (y/n)? "); |
| 2633 | fflush(stdout); |
| 2634 | if (fgets(yesno, sizeof(yesno), stdin) == NULL) |
| 2635 | exit(1); |
| 2636 | if (yesno[0] != 'y' && yesno[0] != 'Y') |
| 2637 | exit(1); |
| 2638 | } |
| 2639 | /* Ask for a passphrase (twice). */ |
| 2640 | if (identity_passphrase) |
| 2641 | passphrase1 = xstrdup(identity_passphrase); |
| 2642 | else if (identity_new_passphrase) |
| 2643 | passphrase1 = xstrdup(identity_new_passphrase); |
| 2644 | else { |
| 2645 | passphrase_again: |
| 2646 | passphrase1 = |
Ben Lindstrom | 949974b | 2001-06-25 05:20:31 +0000 | [diff] [blame] | 2647 | read_passphrase("Enter passphrase (empty for no " |
| 2648 | "passphrase): ", RP_ALLOW_STDIN); |
| 2649 | passphrase2 = read_passphrase("Enter same passphrase again: ", |
| 2650 | RP_ALLOW_STDIN); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2651 | if (strcmp(passphrase1, passphrase2) != 0) { |
Ben Lindstrom | 949974b | 2001-06-25 05:20:31 +0000 | [diff] [blame] | 2652 | /* |
| 2653 | * The passphrases do not match. Clear them and |
| 2654 | * retry. |
| 2655 | */ |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 2656 | explicit_bzero(passphrase1, strlen(passphrase1)); |
| 2657 | explicit_bzero(passphrase2, strlen(passphrase2)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 2658 | free(passphrase1); |
| 2659 | free(passphrase2); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2660 | printf("Passphrases do not match. Try again.\n"); |
| 2661 | goto passphrase_again; |
| 2662 | } |
| 2663 | /* Clear the other copy of the passphrase. */ |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 2664 | explicit_bzero(passphrase2, strlen(passphrase2)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 2665 | free(passphrase2); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2666 | } |
| 2667 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2668 | if (identity_comment) { |
| 2669 | strlcpy(comment, identity_comment, sizeof(comment)); |
| 2670 | } else { |
Darren Tucker | e15fb09 | 2008-11-11 16:31:43 +1100 | [diff] [blame] | 2671 | /* Create default comment field for the passphrase. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2672 | snprintf(comment, sizeof comment, "%s@%s", pw->pw_name, hostname); |
| 2673 | } |
| 2674 | |
| 2675 | /* Save the key with the given passphrase and comment. */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2676 | if ((r = sshkey_save_private(private, identity_file, passphrase1, |
| 2677 | comment, use_new_format, new_format_cipher, rounds)) != 0) { |
| 2678 | printf("Saving key \"%s\" failed: %s\n", |
| 2679 | identity_file, ssh_err(r)); |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 2680 | explicit_bzero(passphrase1, strlen(passphrase1)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 2681 | free(passphrase1); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2682 | exit(1); |
| 2683 | } |
| 2684 | /* Clear the passphrase. */ |
Damien Miller | a5103f4 | 2014-02-04 11:20:14 +1100 | [diff] [blame] | 2685 | explicit_bzero(passphrase1, strlen(passphrase1)); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 2686 | free(passphrase1); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2687 | |
| 2688 | /* Clear the private key and the random number generator. */ |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2689 | sshkey_free(private); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2690 | |
| 2691 | if (!quiet) |
| 2692 | printf("Your identification has been saved in %s.\n", identity_file); |
| 2693 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2694 | strlcat(identity_file, ".pub", sizeof(identity_file)); |
Ben Lindstrom | 5fc6270 | 2001-03-09 18:19:24 +0000 | [diff] [blame] | 2695 | fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
| 2696 | if (fd == -1) { |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2697 | printf("Could not save your public key in %s\n", identity_file); |
| 2698 | exit(1); |
| 2699 | } |
Ben Lindstrom | 5fc6270 | 2001-03-09 18:19:24 +0000 | [diff] [blame] | 2700 | f = fdopen(fd, "w"); |
| 2701 | if (f == NULL) { |
Damien Miller | 9eab956 | 2009-02-22 08:47:02 +1100 | [diff] [blame] | 2702 | printf("fdopen %s failed\n", identity_file); |
Ben Lindstrom | 5fc6270 | 2001-03-09 18:19:24 +0000 | [diff] [blame] | 2703 | exit(1); |
| 2704 | } |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2705 | if ((r = sshkey_write(public, f)) != 0) |
| 2706 | fprintf(stderr, "write key failed: %s\n", ssh_err(r)); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2707 | fprintf(f, " %s\n", comment); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2708 | fclose(f); |
| 2709 | |
| 2710 | if (!quiet) { |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2711 | char *fp = sshkey_fingerprint(public, fingerprint_hash, |
djm@openbsd.org | 56d1c83 | 2014-12-21 22:27:55 +0000 | [diff] [blame] | 2712 | SSH_FP_DEFAULT); |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2713 | char *ra = sshkey_fingerprint(public, fingerprint_hash, |
Darren Tucker | 9c16ac9 | 2008-06-13 04:40:35 +1000 | [diff] [blame] | 2714 | SSH_FP_RANDOMART); |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2715 | printf("Your public key has been saved in %s.\n", |
| 2716 | identity_file); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2717 | printf("The key fingerprint is:\n"); |
Ben Lindstrom | cfccef9 | 2001-03-13 04:57:58 +0000 | [diff] [blame] | 2718 | printf("%s %s\n", fp, comment); |
Darren Tucker | 9c16ac9 | 2008-06-13 04:40:35 +1000 | [diff] [blame] | 2719 | printf("The key's randomart image is:\n"); |
| 2720 | printf("%s\n", ra); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 2721 | free(ra); |
| 2722 | free(fp); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2723 | } |
Damien Miller | eba71ba | 2000-04-29 23:57:08 +1000 | [diff] [blame] | 2724 | |
djm@openbsd.org | 1129dcf | 2015-01-15 09:40:00 +0000 | [diff] [blame] | 2725 | sshkey_free(public); |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2726 | exit(0); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 2727 | } |