Damien Miller | 2f93d05 | 2013-10-15 12:06:27 +1100 | [diff] [blame^] | 1 | /* $OpenBSD: sftp-client.c,v 1.106 2013/10/11 02:52:23 djm Exp $ */ |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 2 | /* |
Damien Miller | 4e60ed7 | 2004-02-17 17:07:59 +1100 | [diff] [blame] | 3 | * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 4 | * |
Damien Miller | 4e60ed7 | 2004-02-17 17:07:59 +1100 | [diff] [blame] | 5 | * Permission to use, copy, modify, and distribute this software for any |
| 6 | * purpose with or without fee is hereby granted, provided that the above |
| 7 | * copyright notice and this permission notice appear in all copies. |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 8 | * |
Damien Miller | 4e60ed7 | 2004-02-17 17:07:59 +1100 | [diff] [blame] | 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 16 | */ |
| 17 | |
| 18 | /* XXX: memleaks */ |
| 19 | /* XXX: signed vs unsigned */ |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 20 | /* XXX: remove all logging, only return status codes */ |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 21 | /* XXX: copy between two remote sites */ |
| 22 | |
| 23 | #include "includes.h" |
Damien Miller | f17883e | 2006-03-15 11:45:54 +1100 | [diff] [blame] | 24 | |
| 25 | #include <sys/types.h> |
Damien Miller | 8dbffe7 | 2006-08-05 11:02:17 +1000 | [diff] [blame] | 26 | #include <sys/param.h> |
Darren Tucker | 5b2e2ba | 2008-06-08 09:25:28 +1000 | [diff] [blame] | 27 | #ifdef HAVE_SYS_STATVFS_H |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 28 | #include <sys/statvfs.h> |
Darren Tucker | 5b2e2ba | 2008-06-08 09:25:28 +1000 | [diff] [blame] | 29 | #endif |
Damien Miller | d783435 | 2006-08-05 12:39:39 +1000 | [diff] [blame] | 30 | #include "openbsd-compat/sys-queue.h" |
Damien Miller | f17883e | 2006-03-15 11:45:54 +1100 | [diff] [blame] | 31 | #ifdef HAVE_SYS_STAT_H |
| 32 | # include <sys/stat.h> |
| 33 | #endif |
Damien Miller | 9aec919 | 2006-08-05 10:57:45 +1000 | [diff] [blame] | 34 | #ifdef HAVE_SYS_TIME_H |
| 35 | # include <sys/time.h> |
| 36 | #endif |
Damien Miller | d783435 | 2006-08-05 12:39:39 +1000 | [diff] [blame] | 37 | #include <sys/uio.h> |
Damien Miller | 57cf638 | 2006-07-10 21:13:46 +1000 | [diff] [blame] | 38 | |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 39 | #include <dirent.h> |
Darren Tucker | 3997249 | 2006-07-12 22:22:46 +1000 | [diff] [blame] | 40 | #include <errno.h> |
Damien Miller | 57cf638 | 2006-07-10 21:13:46 +1000 | [diff] [blame] | 41 | #include <fcntl.h> |
| 42 | #include <signal.h> |
Damien Miller | d783435 | 2006-08-05 12:39:39 +1000 | [diff] [blame] | 43 | #include <stdarg.h> |
Damien Miller | a7a73ee | 2006-08-05 11:37:59 +1000 | [diff] [blame] | 44 | #include <stdio.h> |
Damien Miller | e3476ed | 2006-07-24 14:13:33 +1000 | [diff] [blame] | 45 | #include <string.h> |
Damien Miller | e6b3b61 | 2006-07-24 14:01:23 +1000 | [diff] [blame] | 46 | #include <unistd.h> |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 47 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 48 | #include "xmalloc.h" |
Damien Miller | d783435 | 2006-08-05 12:39:39 +1000 | [diff] [blame] | 49 | #include "buffer.h" |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 50 | #include "log.h" |
| 51 | #include "atomicio.h" |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 52 | #include "progressmeter.h" |
Damien Miller | 3f94188 | 2006-03-31 23:13:02 +1100 | [diff] [blame] | 53 | #include "misc.h" |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 54 | |
| 55 | #include "sftp.h" |
| 56 | #include "sftp-common.h" |
| 57 | #include "sftp-client.h" |
| 58 | |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 59 | extern volatile sig_atomic_t interrupted; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 60 | extern int showprogress; |
| 61 | |
Damien Miller | 0c8d8f6 | 2006-03-15 11:34:25 +1100 | [diff] [blame] | 62 | /* Minimum amount of data to read at a time */ |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 63 | #define MIN_READ_SIZE 512 |
| 64 | |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 65 | /* Maximum depth to descend in directory trees */ |
| 66 | #define MAX_DIR_DEPTH 64 |
| 67 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 68 | struct sftp_conn { |
| 69 | int fd_in; |
| 70 | int fd_out; |
| 71 | u_int transfer_buflen; |
| 72 | u_int num_requests; |
| 73 | u_int version; |
| 74 | u_int msg_id; |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 75 | #define SFTP_EXT_POSIX_RENAME 0x00000001 |
| 76 | #define SFTP_EXT_STATVFS 0x00000002 |
| 77 | #define SFTP_EXT_FSTATVFS 0x00000004 |
Darren Tucker | af1f909 | 2010-12-05 09:02:47 +1100 | [diff] [blame] | 78 | #define SFTP_EXT_HARDLINK 0x00000008 |
Damien Miller | 7a3e1d0 | 2008-03-27 10:59:57 +1100 | [diff] [blame] | 79 | u_int exts; |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 80 | u_int64_t limit_kbps; |
| 81 | struct bwlimit bwlimit_in, bwlimit_out; |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 82 | }; |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 83 | |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame] | 84 | static char * |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 85 | get_handle(struct sftp_conn *conn, u_int expected_id, u_int *len, |
| 86 | const char *errfmt, ...) __attribute__((format(printf, 4, 5))); |
| 87 | |
| 88 | /* ARGSUSED */ |
| 89 | static int |
| 90 | sftpio(void *_bwlimit, size_t amount) |
| 91 | { |
| 92 | struct bwlimit *bwlimit = (struct bwlimit *)_bwlimit; |
| 93 | |
| 94 | bandwidth_limit(bwlimit, amount); |
| 95 | return 0; |
| 96 | } |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame] | 97 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 98 | static void |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 99 | send_msg(struct sftp_conn *conn, Buffer *m) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 100 | { |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 101 | u_char mlen[4]; |
Damien Miller | 58ca98b | 2006-04-23 12:06:35 +1000 | [diff] [blame] | 102 | struct iovec iov[2]; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 103 | |
Damien Miller | 5444618 | 2006-01-02 23:40:50 +1100 | [diff] [blame] | 104 | if (buffer_len(m) > SFTP_MAX_MSG_LENGTH) |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 105 | fatal("Outbound message too long %u", buffer_len(m)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 106 | |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 107 | /* Send length first */ |
Damien Miller | 3f94188 | 2006-03-31 23:13:02 +1100 | [diff] [blame] | 108 | put_u32(mlen, buffer_len(m)); |
Damien Miller | 58ca98b | 2006-04-23 12:06:35 +1000 | [diff] [blame] | 109 | iov[0].iov_base = mlen; |
| 110 | iov[0].iov_len = sizeof(mlen); |
| 111 | iov[1].iov_base = buffer_ptr(m); |
| 112 | iov[1].iov_len = buffer_len(m); |
Damien Miller | d783435 | 2006-08-05 12:39:39 +1000 | [diff] [blame] | 113 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 114 | if (atomiciov6(writev, conn->fd_out, iov, 2, |
Damien Miller | 0d03241 | 2013-07-25 11:56:52 +1000 | [diff] [blame] | 115 | conn->limit_kbps > 0 ? sftpio : NULL, &conn->bwlimit_out) != |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 116 | buffer_len(m) + sizeof(mlen)) |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 117 | fatal("Couldn't send packet: %s", strerror(errno)); |
| 118 | |
| 119 | buffer_clear(m); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 120 | } |
| 121 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 122 | static void |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 123 | get_msg(struct sftp_conn *conn, Buffer *m) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 124 | { |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 125 | u_int msg_len; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 126 | |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 127 | buffer_append_space(m, 4); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 128 | if (atomicio6(read, conn->fd_in, buffer_ptr(m), 4, |
| 129 | conn->limit_kbps > 0 ? sftpio : NULL, &conn->bwlimit_in) != 4) { |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 130 | if (errno == EPIPE) |
| 131 | fatal("Connection closed"); |
| 132 | else |
| 133 | fatal("Couldn't read packet: %s", strerror(errno)); |
| 134 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 135 | |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 136 | msg_len = buffer_get_int(m); |
Damien Miller | 5444618 | 2006-01-02 23:40:50 +1100 | [diff] [blame] | 137 | if (msg_len > SFTP_MAX_MSG_LENGTH) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 138 | fatal("Received message too long %u", msg_len); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 139 | |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 140 | buffer_append_space(m, msg_len); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 141 | if (atomicio6(read, conn->fd_in, buffer_ptr(m), msg_len, |
| 142 | conn->limit_kbps > 0 ? sftpio : NULL, &conn->bwlimit_in) |
| 143 | != msg_len) { |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 144 | if (errno == EPIPE) |
| 145 | fatal("Connection closed"); |
| 146 | else |
| 147 | fatal("Read packet: %s", strerror(errno)); |
| 148 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 149 | } |
| 150 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 151 | static void |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 152 | send_string_request(struct sftp_conn *conn, u_int id, u_int code, char *s, |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 153 | u_int len) |
| 154 | { |
| 155 | Buffer msg; |
| 156 | |
| 157 | buffer_init(&msg); |
| 158 | buffer_put_char(&msg, code); |
| 159 | buffer_put_int(&msg, id); |
| 160 | buffer_put_string(&msg, s, len); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 161 | send_msg(conn, &msg); |
| 162 | debug3("Sent message fd %d T:%u I:%u", conn->fd_out, code, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 163 | buffer_free(&msg); |
| 164 | } |
| 165 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 166 | static void |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 167 | send_string_attrs_request(struct sftp_conn *conn, u_int id, u_int code, |
| 168 | char *s, u_int len, Attrib *a) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 169 | { |
| 170 | Buffer msg; |
| 171 | |
| 172 | buffer_init(&msg); |
| 173 | buffer_put_char(&msg, code); |
| 174 | buffer_put_int(&msg, id); |
| 175 | buffer_put_string(&msg, s, len); |
| 176 | encode_attrib(&msg, a); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 177 | send_msg(conn, &msg); |
| 178 | debug3("Sent message fd %d T:%u I:%u", conn->fd_out, code, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 179 | buffer_free(&msg); |
| 180 | } |
| 181 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 182 | static u_int |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 183 | get_status(struct sftp_conn *conn, u_int expected_id) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 184 | { |
| 185 | Buffer msg; |
| 186 | u_int type, id, status; |
| 187 | |
| 188 | buffer_init(&msg); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 189 | get_msg(conn, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 190 | type = buffer_get_char(&msg); |
| 191 | id = buffer_get_int(&msg); |
| 192 | |
| 193 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 194 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 195 | if (type != SSH2_FXP_STATUS) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 196 | fatal("Expected SSH2_FXP_STATUS(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 197 | SSH2_FXP_STATUS, type); |
| 198 | |
| 199 | status = buffer_get_int(&msg); |
| 200 | buffer_free(&msg); |
| 201 | |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 202 | debug3("SSH2_FXP_STATUS %u", status); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 203 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 204 | return status; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 205 | } |
| 206 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 207 | static char * |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 208 | get_handle(struct sftp_conn *conn, u_int expected_id, u_int *len, |
| 209 | const char *errfmt, ...) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 210 | { |
| 211 | Buffer msg; |
| 212 | u_int type, id; |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame] | 213 | char *handle, errmsg[256]; |
| 214 | va_list args; |
| 215 | int status; |
| 216 | |
| 217 | va_start(args, errfmt); |
| 218 | if (errfmt != NULL) |
| 219 | vsnprintf(errmsg, sizeof(errmsg), errfmt, args); |
| 220 | va_end(args); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 221 | |
| 222 | buffer_init(&msg); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 223 | get_msg(conn, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 224 | type = buffer_get_char(&msg); |
| 225 | id = buffer_get_int(&msg); |
| 226 | |
| 227 | if (id != expected_id) |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame] | 228 | fatal("%s: ID mismatch (%u != %u)", |
| 229 | errfmt == NULL ? __func__ : errmsg, id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 230 | if (type == SSH2_FXP_STATUS) { |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame] | 231 | status = buffer_get_int(&msg); |
| 232 | if (errfmt != NULL) |
| 233 | error("%s: %s", errmsg, fx2txt(status)); |
Darren Tucker | cd516ef | 2004-12-06 22:43:43 +1100 | [diff] [blame] | 234 | buffer_free(&msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 235 | return(NULL); |
| 236 | } else if (type != SSH2_FXP_HANDLE) |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame] | 237 | fatal("%s: Expected SSH2_FXP_HANDLE(%u) packet, got %u", |
| 238 | errfmt == NULL ? __func__ : errmsg, SSH2_FXP_HANDLE, type); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 239 | |
| 240 | handle = buffer_get_string(&msg, len); |
| 241 | buffer_free(&msg); |
| 242 | |
| 243 | return(handle); |
| 244 | } |
| 245 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 246 | static Attrib * |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 247 | get_decode_stat(struct sftp_conn *conn, u_int expected_id, int quiet) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 248 | { |
| 249 | Buffer msg; |
| 250 | u_int type, id; |
| 251 | Attrib *a; |
| 252 | |
| 253 | buffer_init(&msg); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 254 | get_msg(conn, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 255 | |
| 256 | type = buffer_get_char(&msg); |
| 257 | id = buffer_get_int(&msg); |
| 258 | |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 259 | debug3("Received stat reply T:%u I:%u", type, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 260 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 261 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 262 | if (type == SSH2_FXP_STATUS) { |
| 263 | int status = buffer_get_int(&msg); |
| 264 | |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 265 | if (quiet) |
| 266 | debug("Couldn't stat remote file: %s", fx2txt(status)); |
| 267 | else |
| 268 | error("Couldn't stat remote file: %s", fx2txt(status)); |
Darren Tucker | cd516ef | 2004-12-06 22:43:43 +1100 | [diff] [blame] | 269 | buffer_free(&msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 270 | return(NULL); |
| 271 | } else if (type != SSH2_FXP_ATTRS) { |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 272 | fatal("Expected SSH2_FXP_ATTRS(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 273 | SSH2_FXP_ATTRS, type); |
| 274 | } |
| 275 | a = decode_attrib(&msg); |
| 276 | buffer_free(&msg); |
| 277 | |
| 278 | return(a); |
| 279 | } |
| 280 | |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 281 | static int |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 282 | get_decode_statvfs(struct sftp_conn *conn, struct sftp_statvfs *st, |
| 283 | u_int expected_id, int quiet) |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 284 | { |
| 285 | Buffer msg; |
| 286 | u_int type, id, flag; |
| 287 | |
| 288 | buffer_init(&msg); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 289 | get_msg(conn, &msg); |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 290 | |
| 291 | type = buffer_get_char(&msg); |
| 292 | id = buffer_get_int(&msg); |
| 293 | |
| 294 | debug3("Received statvfs reply T:%u I:%u", type, id); |
| 295 | if (id != expected_id) |
| 296 | fatal("ID mismatch (%u != %u)", id, expected_id); |
| 297 | if (type == SSH2_FXP_STATUS) { |
| 298 | int status = buffer_get_int(&msg); |
| 299 | |
| 300 | if (quiet) |
| 301 | debug("Couldn't statvfs: %s", fx2txt(status)); |
| 302 | else |
| 303 | error("Couldn't statvfs: %s", fx2txt(status)); |
| 304 | buffer_free(&msg); |
| 305 | return -1; |
| 306 | } else if (type != SSH2_FXP_EXTENDED_REPLY) { |
| 307 | fatal("Expected SSH2_FXP_EXTENDED_REPLY(%u) packet, got %u", |
| 308 | SSH2_FXP_EXTENDED_REPLY, type); |
| 309 | } |
| 310 | |
| 311 | bzero(st, sizeof(*st)); |
Darren Tucker | 7b59889 | 2008-06-09 22:49:36 +1000 | [diff] [blame] | 312 | st->f_bsize = buffer_get_int64(&msg); |
| 313 | st->f_frsize = buffer_get_int64(&msg); |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 314 | st->f_blocks = buffer_get_int64(&msg); |
| 315 | st->f_bfree = buffer_get_int64(&msg); |
| 316 | st->f_bavail = buffer_get_int64(&msg); |
| 317 | st->f_files = buffer_get_int64(&msg); |
| 318 | st->f_ffree = buffer_get_int64(&msg); |
| 319 | st->f_favail = buffer_get_int64(&msg); |
Darren Tucker | 294b841 | 2008-06-08 12:57:08 +1000 | [diff] [blame] | 320 | st->f_fsid = buffer_get_int64(&msg); |
Darren Tucker | 7b59889 | 2008-06-09 22:49:36 +1000 | [diff] [blame] | 321 | flag = buffer_get_int64(&msg); |
| 322 | st->f_namemax = buffer_get_int64(&msg); |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 323 | |
| 324 | st->f_flag = (flag & SSH2_FXE_STATVFS_ST_RDONLY) ? ST_RDONLY : 0; |
| 325 | st->f_flag |= (flag & SSH2_FXE_STATVFS_ST_NOSUID) ? ST_NOSUID : 0; |
| 326 | |
| 327 | buffer_free(&msg); |
| 328 | |
| 329 | return 0; |
| 330 | } |
| 331 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 332 | struct sftp_conn * |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 333 | do_init(int fd_in, int fd_out, u_int transfer_buflen, u_int num_requests, |
| 334 | u_int64_t limit_kbps) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 335 | { |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 336 | u_int type; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 337 | Buffer msg; |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 338 | struct sftp_conn *ret; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 339 | |
Damien Miller | fec029f | 2013-08-21 02:42:12 +1000 | [diff] [blame] | 340 | ret = xcalloc(1, sizeof(*ret)); |
| 341 | ret->msg_id = 1; |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 342 | ret->fd_in = fd_in; |
| 343 | ret->fd_out = fd_out; |
| 344 | ret->transfer_buflen = transfer_buflen; |
| 345 | ret->num_requests = num_requests; |
| 346 | ret->exts = 0; |
| 347 | ret->limit_kbps = 0; |
| 348 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 349 | buffer_init(&msg); |
| 350 | buffer_put_char(&msg, SSH2_FXP_INIT); |
| 351 | buffer_put_int(&msg, SSH2_FILEXFER_VERSION); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 352 | send_msg(ret, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 353 | |
| 354 | buffer_clear(&msg); |
| 355 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 356 | get_msg(ret, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 357 | |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 358 | /* Expecting a VERSION reply */ |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 359 | if ((type = buffer_get_char(&msg)) != SSH2_FXP_VERSION) { |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 360 | error("Invalid packet back from SSH2_FXP_INIT (type %u)", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 361 | type); |
| 362 | buffer_free(&msg); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 363 | return(NULL); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 364 | } |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 365 | ret->version = buffer_get_int(&msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 366 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 367 | debug2("Remote version: %u", ret->version); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 368 | |
| 369 | /* Check for extensions */ |
| 370 | while (buffer_len(&msg) > 0) { |
| 371 | char *name = buffer_get_string(&msg, NULL); |
| 372 | char *value = buffer_get_string(&msg, NULL); |
Darren Tucker | a64ab33 | 2008-06-13 07:01:29 +1000 | [diff] [blame] | 373 | int known = 0; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 374 | |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 375 | if (strcmp(name, "posix-rename@openssh.com") == 0 && |
Darren Tucker | a64ab33 | 2008-06-13 07:01:29 +1000 | [diff] [blame] | 376 | strcmp(value, "1") == 0) { |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 377 | ret->exts |= SFTP_EXT_POSIX_RENAME; |
Darren Tucker | a64ab33 | 2008-06-13 07:01:29 +1000 | [diff] [blame] | 378 | known = 1; |
| 379 | } else if (strcmp(name, "statvfs@openssh.com") == 0 && |
| 380 | strcmp(value, "2") == 0) { |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 381 | ret->exts |= SFTP_EXT_STATVFS; |
Darren Tucker | a64ab33 | 2008-06-13 07:01:29 +1000 | [diff] [blame] | 382 | known = 1; |
Darren Tucker | af1f909 | 2010-12-05 09:02:47 +1100 | [diff] [blame] | 383 | } else if (strcmp(name, "fstatvfs@openssh.com") == 0 && |
Darren Tucker | a64ab33 | 2008-06-13 07:01:29 +1000 | [diff] [blame] | 384 | strcmp(value, "2") == 0) { |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 385 | ret->exts |= SFTP_EXT_FSTATVFS; |
Darren Tucker | a64ab33 | 2008-06-13 07:01:29 +1000 | [diff] [blame] | 386 | known = 1; |
Darren Tucker | af1f909 | 2010-12-05 09:02:47 +1100 | [diff] [blame] | 387 | } else if (strcmp(name, "hardlink@openssh.com") == 0 && |
| 388 | strcmp(value, "1") == 0) { |
| 389 | ret->exts |= SFTP_EXT_HARDLINK; |
| 390 | known = 1; |
Darren Tucker | a64ab33 | 2008-06-13 07:01:29 +1000 | [diff] [blame] | 391 | } |
| 392 | if (known) { |
| 393 | debug2("Server supports extension \"%s\" revision %s", |
| 394 | name, value); |
| 395 | } else { |
| 396 | debug2("Unrecognised server extension \"%s\"", name); |
| 397 | } |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 398 | free(name); |
| 399 | free(value); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 400 | } |
| 401 | |
| 402 | buffer_free(&msg); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 403 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 404 | /* Some filexfer v.0 servers don't support large packets */ |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 405 | if (ret->version == 0) |
Ben Lindstrom | a1d8114 | 2002-04-02 20:58:11 +0000 | [diff] [blame] | 406 | ret->transfer_buflen = MIN(ret->transfer_buflen, 20480); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 407 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 408 | ret->limit_kbps = limit_kbps; |
| 409 | if (ret->limit_kbps > 0) { |
| 410 | bandwidth_limit_init(&ret->bwlimit_in, ret->limit_kbps, |
| 411 | ret->transfer_buflen); |
| 412 | bandwidth_limit_init(&ret->bwlimit_out, ret->limit_kbps, |
| 413 | ret->transfer_buflen); |
| 414 | } |
| 415 | |
| 416 | return ret; |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 417 | } |
| 418 | |
| 419 | u_int |
| 420 | sftp_proto_version(struct sftp_conn *conn) |
| 421 | { |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 422 | return conn->version; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 423 | } |
| 424 | |
| 425 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 426 | do_close(struct sftp_conn *conn, char *handle, u_int handle_len) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 427 | { |
| 428 | u_int id, status; |
| 429 | Buffer msg; |
| 430 | |
| 431 | buffer_init(&msg); |
| 432 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 433 | id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 434 | buffer_put_char(&msg, SSH2_FXP_CLOSE); |
| 435 | buffer_put_int(&msg, id); |
| 436 | buffer_put_string(&msg, handle, handle_len); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 437 | send_msg(conn, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 438 | debug3("Sent message SSH2_FXP_CLOSE I:%u", id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 439 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 440 | status = get_status(conn, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 441 | if (status != SSH2_FX_OK) |
| 442 | error("Couldn't close file: %s", fx2txt(status)); |
| 443 | |
| 444 | buffer_free(&msg); |
| 445 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 446 | return status; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 447 | } |
| 448 | |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 449 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 450 | static int |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 451 | do_lsreaddir(struct sftp_conn *conn, char *path, int print_flag, |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 452 | SFTP_DIRENT ***dir) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 453 | { |
| 454 | Buffer msg; |
Damien Miller | eccb9de | 2005-06-17 12:59:34 +1000 | [diff] [blame] | 455 | u_int count, type, id, handle_len, i, expected_id, ents = 0; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 456 | char *handle; |
| 457 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 458 | id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 459 | |
| 460 | buffer_init(&msg); |
| 461 | buffer_put_char(&msg, SSH2_FXP_OPENDIR); |
| 462 | buffer_put_int(&msg, id); |
| 463 | buffer_put_cstring(&msg, path); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 464 | send_msg(conn, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 465 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 466 | handle = get_handle(conn, id, &handle_len, |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame] | 467 | "remote readdir(\"%s\")", path); |
Damien Miller | 57c38ac | 2011-09-22 21:42:45 +1000 | [diff] [blame] | 468 | if (handle == NULL) { |
| 469 | buffer_free(&msg); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 470 | return -1; |
Damien Miller | 57c38ac | 2011-09-22 21:42:45 +1000 | [diff] [blame] | 471 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 472 | |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 473 | if (dir) { |
| 474 | ents = 0; |
| 475 | *dir = xmalloc(sizeof(**dir)); |
| 476 | (*dir)[0] = NULL; |
| 477 | } |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 478 | |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 479 | for (; !interrupted;) { |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 480 | id = expected_id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 481 | |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 482 | debug3("Sending SSH2_FXP_READDIR I:%u", id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 483 | |
| 484 | buffer_clear(&msg); |
| 485 | buffer_put_char(&msg, SSH2_FXP_READDIR); |
| 486 | buffer_put_int(&msg, id); |
| 487 | buffer_put_string(&msg, handle, handle_len); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 488 | send_msg(conn, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 489 | |
| 490 | buffer_clear(&msg); |
| 491 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 492 | get_msg(conn, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 493 | |
| 494 | type = buffer_get_char(&msg); |
| 495 | id = buffer_get_int(&msg); |
| 496 | |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 497 | debug3("Received reply T:%u I:%u", type, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 498 | |
| 499 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 500 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 501 | |
| 502 | if (type == SSH2_FXP_STATUS) { |
| 503 | int status = buffer_get_int(&msg); |
| 504 | |
| 505 | debug3("Received SSH2_FXP_STATUS %d", status); |
| 506 | |
| 507 | if (status == SSH2_FX_EOF) { |
| 508 | break; |
| 509 | } else { |
| 510 | error("Couldn't read directory: %s", |
| 511 | fx2txt(status)); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 512 | do_close(conn, handle, handle_len); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 513 | free(handle); |
Damien Miller | 57c38ac | 2011-09-22 21:42:45 +1000 | [diff] [blame] | 514 | buffer_free(&msg); |
Ben Lindstrom | 10ac33f | 2001-02-10 21:53:40 +0000 | [diff] [blame] | 515 | return(status); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 516 | } |
| 517 | } else if (type != SSH2_FXP_NAME) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 518 | fatal("Expected SSH2_FXP_NAME(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 519 | SSH2_FXP_NAME, type); |
| 520 | |
| 521 | count = buffer_get_int(&msg); |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 522 | if (count == 0) |
| 523 | break; |
| 524 | debug3("Received %d SSH2_FXP_NAME responses", count); |
Damien Miller | 9f0f5c6 | 2001-12-21 14:45:46 +1100 | [diff] [blame] | 525 | for (i = 0; i < count; i++) { |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 526 | char *filename, *longname; |
| 527 | Attrib *a; |
| 528 | |
| 529 | filename = buffer_get_string(&msg, NULL); |
| 530 | longname = buffer_get_string(&msg, NULL); |
| 531 | a = decode_attrib(&msg); |
| 532 | |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 533 | if (print_flag) |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 534 | printf("%s\n", longname); |
| 535 | |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 536 | /* |
| 537 | * Directory entries should never contain '/' |
| 538 | * These can be used to attack recursive ops |
| 539 | * (e.g. send '../../../../etc/passwd') |
| 540 | */ |
| 541 | if (strchr(filename, '/') != NULL) { |
| 542 | error("Server sent suspect path \"%s\" " |
| 543 | "during readdir of \"%s\"", filename, path); |
| 544 | goto next; |
| 545 | } |
| 546 | |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 547 | if (dir) { |
Damien Miller | 3681209 | 2006-03-26 14:22:47 +1100 | [diff] [blame] | 548 | *dir = xrealloc(*dir, ents + 2, sizeof(**dir)); |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 549 | (*dir)[ents] = xmalloc(sizeof(***dir)); |
| 550 | (*dir)[ents]->filename = xstrdup(filename); |
| 551 | (*dir)[ents]->longname = xstrdup(longname); |
| 552 | memcpy(&(*dir)[ents]->a, a, sizeof(*a)); |
| 553 | (*dir)[++ents] = NULL; |
| 554 | } |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 555 | next: |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 556 | free(filename); |
| 557 | free(longname); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 558 | } |
| 559 | } |
| 560 | |
| 561 | buffer_free(&msg); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 562 | do_close(conn, handle, handle_len); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 563 | free(handle); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 564 | |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 565 | /* Don't return partial matches on interrupt */ |
| 566 | if (interrupted && dir != NULL && *dir != NULL) { |
| 567 | free_sftp_dirents(*dir); |
| 568 | *dir = xmalloc(sizeof(**dir)); |
| 569 | **dir = NULL; |
| 570 | } |
| 571 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 572 | return 0; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 573 | } |
| 574 | |
| 575 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 576 | do_readdir(struct sftp_conn *conn, char *path, SFTP_DIRENT ***dir) |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 577 | { |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 578 | return(do_lsreaddir(conn, path, 0, dir)); |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 579 | } |
| 580 | |
| 581 | void free_sftp_dirents(SFTP_DIRENT **s) |
| 582 | { |
| 583 | int i; |
Damien Miller | 9f0f5c6 | 2001-12-21 14:45:46 +1100 | [diff] [blame] | 584 | |
| 585 | for (i = 0; s[i]; i++) { |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 586 | free(s[i]->filename); |
| 587 | free(s[i]->longname); |
| 588 | free(s[i]); |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 589 | } |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 590 | free(s); |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 591 | } |
| 592 | |
| 593 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 594 | do_rm(struct sftp_conn *conn, char *path) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 595 | { |
| 596 | u_int status, id; |
| 597 | |
| 598 | debug2("Sending SSH2_FXP_REMOVE \"%s\"", path); |
| 599 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 600 | id = conn->msg_id++; |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 601 | send_string_request(conn, id, SSH2_FXP_REMOVE, path, strlen(path)); |
| 602 | status = get_status(conn, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 603 | if (status != SSH2_FX_OK) |
| 604 | error("Couldn't delete file: %s", fx2txt(status)); |
| 605 | return(status); |
| 606 | } |
| 607 | |
| 608 | int |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 609 | do_mkdir(struct sftp_conn *conn, char *path, Attrib *a, int print_flag) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 610 | { |
| 611 | u_int status, id; |
| 612 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 613 | id = conn->msg_id++; |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 614 | send_string_attrs_request(conn, id, SSH2_FXP_MKDIR, path, |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 615 | strlen(path), a); |
| 616 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 617 | status = get_status(conn, id); |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 618 | if (status != SSH2_FX_OK && print_flag) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 619 | error("Couldn't create directory: %s", fx2txt(status)); |
| 620 | |
| 621 | return(status); |
| 622 | } |
| 623 | |
| 624 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 625 | do_rmdir(struct sftp_conn *conn, char *path) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 626 | { |
| 627 | u_int status, id; |
| 628 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 629 | id = conn->msg_id++; |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 630 | send_string_request(conn, id, SSH2_FXP_RMDIR, path, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 631 | strlen(path)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 632 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 633 | status = get_status(conn, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 634 | if (status != SSH2_FX_OK) |
| 635 | error("Couldn't remove directory: %s", fx2txt(status)); |
| 636 | |
| 637 | return(status); |
| 638 | } |
| 639 | |
| 640 | Attrib * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 641 | do_stat(struct sftp_conn *conn, char *path, int quiet) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 642 | { |
| 643 | u_int id; |
| 644 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 645 | id = conn->msg_id++; |
| 646 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 647 | send_string_request(conn, id, |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 648 | conn->version == 0 ? SSH2_FXP_STAT_VERSION_0 : SSH2_FXP_STAT, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 649 | path, strlen(path)); |
| 650 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 651 | return(get_decode_stat(conn, id, quiet)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 652 | } |
| 653 | |
| 654 | Attrib * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 655 | do_lstat(struct sftp_conn *conn, char *path, int quiet) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 656 | { |
| 657 | u_int id; |
| 658 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 659 | if (conn->version == 0) { |
| 660 | if (quiet) |
| 661 | debug("Server version does not support lstat operation"); |
| 662 | else |
Damien Miller | 996acd2 | 2003-04-09 20:59:48 +1000 | [diff] [blame] | 663 | logit("Server version does not support lstat operation"); |
Ben Lindstrom | f26ff5b | 2002-04-02 21:00:31 +0000 | [diff] [blame] | 664 | return(do_stat(conn, path, quiet)); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 665 | } |
| 666 | |
| 667 | id = conn->msg_id++; |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 668 | send_string_request(conn, id, SSH2_FXP_LSTAT, path, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 669 | strlen(path)); |
| 670 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 671 | return(get_decode_stat(conn, id, quiet)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 672 | } |
| 673 | |
Damien Miller | cfe23d3 | 2008-02-10 22:20:44 +1100 | [diff] [blame] | 674 | #ifdef notyet |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 675 | Attrib * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 676 | do_fstat(struct sftp_conn *conn, char *handle, u_int handle_len, int quiet) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 677 | { |
| 678 | u_int id; |
| 679 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 680 | id = conn->msg_id++; |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 681 | send_string_request(conn, id, SSH2_FXP_FSTAT, handle, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 682 | handle_len); |
| 683 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 684 | return(get_decode_stat(conn, id, quiet)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 685 | } |
Damien Miller | cfe23d3 | 2008-02-10 22:20:44 +1100 | [diff] [blame] | 686 | #endif |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 687 | |
| 688 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 689 | do_setstat(struct sftp_conn *conn, char *path, Attrib *a) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 690 | { |
| 691 | u_int status, id; |
| 692 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 693 | id = conn->msg_id++; |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 694 | send_string_attrs_request(conn, id, SSH2_FXP_SETSTAT, path, |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 695 | strlen(path), a); |
| 696 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 697 | status = get_status(conn, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 698 | if (status != SSH2_FX_OK) |
| 699 | error("Couldn't setstat on \"%s\": %s", path, |
| 700 | fx2txt(status)); |
| 701 | |
| 702 | return(status); |
| 703 | } |
| 704 | |
| 705 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 706 | do_fsetstat(struct sftp_conn *conn, char *handle, u_int handle_len, |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 707 | Attrib *a) |
| 708 | { |
| 709 | u_int status, id; |
| 710 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 711 | id = conn->msg_id++; |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 712 | send_string_attrs_request(conn, id, SSH2_FXP_FSETSTAT, handle, |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 713 | handle_len, a); |
| 714 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 715 | status = get_status(conn, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 716 | if (status != SSH2_FX_OK) |
| 717 | error("Couldn't fsetstat: %s", fx2txt(status)); |
| 718 | |
| 719 | return(status); |
| 720 | } |
| 721 | |
| 722 | char * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 723 | do_realpath(struct sftp_conn *conn, char *path) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 724 | { |
| 725 | Buffer msg; |
| 726 | u_int type, expected_id, count, id; |
| 727 | char *filename, *longname; |
| 728 | Attrib *a; |
| 729 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 730 | expected_id = id = conn->msg_id++; |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 731 | send_string_request(conn, id, SSH2_FXP_REALPATH, path, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 732 | strlen(path)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 733 | |
| 734 | buffer_init(&msg); |
| 735 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 736 | get_msg(conn, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 737 | type = buffer_get_char(&msg); |
| 738 | id = buffer_get_int(&msg); |
| 739 | |
| 740 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 741 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 742 | |
| 743 | if (type == SSH2_FXP_STATUS) { |
| 744 | u_int status = buffer_get_int(&msg); |
| 745 | |
| 746 | error("Couldn't canonicalise: %s", fx2txt(status)); |
Damien Miller | 4956631 | 2010-06-26 09:38:23 +1000 | [diff] [blame] | 747 | buffer_free(&msg); |
| 748 | return NULL; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 749 | } else if (type != SSH2_FXP_NAME) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 750 | fatal("Expected SSH2_FXP_NAME(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 751 | SSH2_FXP_NAME, type); |
| 752 | |
| 753 | count = buffer_get_int(&msg); |
| 754 | if (count != 1) |
| 755 | fatal("Got multiple names (%d) from SSH_FXP_REALPATH", count); |
| 756 | |
| 757 | filename = buffer_get_string(&msg, NULL); |
| 758 | longname = buffer_get_string(&msg, NULL); |
| 759 | a = decode_attrib(&msg); |
| 760 | |
Darren Tucker | 4908d44 | 2012-07-02 22:15:38 +1000 | [diff] [blame] | 761 | debug3("SSH_FXP_REALPATH %s -> %s size %lu", path, filename, |
| 762 | (unsigned long)a->size); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 763 | |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 764 | free(longname); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 765 | |
| 766 | buffer_free(&msg); |
| 767 | |
| 768 | return(filename); |
| 769 | } |
| 770 | |
| 771 | int |
Damien Miller | c7dba12 | 2013-08-21 02:41:15 +1000 | [diff] [blame] | 772 | do_rename(struct sftp_conn *conn, char *oldpath, char *newpath, |
| 773 | int force_legacy) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 774 | { |
| 775 | Buffer msg; |
| 776 | u_int status, id; |
Damien Miller | c7dba12 | 2013-08-21 02:41:15 +1000 | [diff] [blame] | 777 | int use_ext = (conn->exts & SFTP_EXT_POSIX_RENAME) && !force_legacy; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 778 | |
| 779 | buffer_init(&msg); |
| 780 | |
| 781 | /* Send rename request */ |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 782 | id = conn->msg_id++; |
Damien Miller | c7dba12 | 2013-08-21 02:41:15 +1000 | [diff] [blame] | 783 | if (use_ext) { |
Damien Miller | 7a3e1d0 | 2008-03-27 10:59:57 +1100 | [diff] [blame] | 784 | buffer_put_char(&msg, SSH2_FXP_EXTENDED); |
| 785 | buffer_put_int(&msg, id); |
| 786 | buffer_put_cstring(&msg, "posix-rename@openssh.com"); |
| 787 | } else { |
| 788 | buffer_put_char(&msg, SSH2_FXP_RENAME); |
| 789 | buffer_put_int(&msg, id); |
| 790 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 791 | buffer_put_cstring(&msg, oldpath); |
| 792 | buffer_put_cstring(&msg, newpath); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 793 | send_msg(conn, &msg); |
Damien Miller | 7a3e1d0 | 2008-03-27 10:59:57 +1100 | [diff] [blame] | 794 | debug3("Sent message %s \"%s\" -> \"%s\"", |
Damien Miller | c7dba12 | 2013-08-21 02:41:15 +1000 | [diff] [blame] | 795 | use_ext ? "posix-rename@openssh.com" : "SSH2_FXP_RENAME", |
| 796 | oldpath, newpath); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 797 | buffer_free(&msg); |
| 798 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 799 | status = get_status(conn, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 800 | if (status != SSH2_FX_OK) |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 801 | error("Couldn't rename file \"%s\" to \"%s\": %s", oldpath, |
| 802 | newpath, fx2txt(status)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 803 | |
| 804 | return(status); |
| 805 | } |
| 806 | |
| 807 | int |
Darren Tucker | af1f909 | 2010-12-05 09:02:47 +1100 | [diff] [blame] | 808 | do_hardlink(struct sftp_conn *conn, char *oldpath, char *newpath) |
| 809 | { |
| 810 | Buffer msg; |
| 811 | u_int status, id; |
| 812 | |
Darren Tucker | af1f909 | 2010-12-05 09:02:47 +1100 | [diff] [blame] | 813 | if ((conn->exts & SFTP_EXT_HARDLINK) == 0) { |
| 814 | error("Server does not support hardlink@openssh.com extension"); |
| 815 | return -1; |
| 816 | } |
| 817 | |
Damien Miller | 3decdba | 2011-09-22 21:41:05 +1000 | [diff] [blame] | 818 | buffer_init(&msg); |
| 819 | |
| 820 | /* Send link request */ |
| 821 | id = conn->msg_id++; |
Darren Tucker | af1f909 | 2010-12-05 09:02:47 +1100 | [diff] [blame] | 822 | buffer_put_char(&msg, SSH2_FXP_EXTENDED); |
| 823 | buffer_put_int(&msg, id); |
| 824 | buffer_put_cstring(&msg, "hardlink@openssh.com"); |
| 825 | buffer_put_cstring(&msg, oldpath); |
| 826 | buffer_put_cstring(&msg, newpath); |
| 827 | send_msg(conn, &msg); |
| 828 | debug3("Sent message hardlink@openssh.com \"%s\" -> \"%s\"", |
| 829 | oldpath, newpath); |
| 830 | buffer_free(&msg); |
| 831 | |
| 832 | status = get_status(conn, id); |
| 833 | if (status != SSH2_FX_OK) |
| 834 | error("Couldn't link file \"%s\" to \"%s\": %s", oldpath, |
| 835 | newpath, fx2txt(status)); |
| 836 | |
| 837 | return(status); |
| 838 | } |
| 839 | |
| 840 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 841 | do_symlink(struct sftp_conn *conn, char *oldpath, char *newpath) |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 842 | { |
| 843 | Buffer msg; |
| 844 | u_int status, id; |
| 845 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 846 | if (conn->version < 3) { |
| 847 | error("This server does not support the symlink operation"); |
| 848 | return(SSH2_FX_OP_UNSUPPORTED); |
| 849 | } |
| 850 | |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 851 | buffer_init(&msg); |
| 852 | |
Darren Tucker | dca6a4d | 2004-04-19 22:10:52 +1000 | [diff] [blame] | 853 | /* Send symlink request */ |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 854 | id = conn->msg_id++; |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 855 | buffer_put_char(&msg, SSH2_FXP_SYMLINK); |
| 856 | buffer_put_int(&msg, id); |
| 857 | buffer_put_cstring(&msg, oldpath); |
| 858 | buffer_put_cstring(&msg, newpath); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 859 | send_msg(conn, &msg); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 860 | debug3("Sent message SSH2_FXP_SYMLINK \"%s\" -> \"%s\"", oldpath, |
| 861 | newpath); |
| 862 | buffer_free(&msg); |
| 863 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 864 | status = get_status(conn, id); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 865 | if (status != SSH2_FX_OK) |
Ben Lindstrom | 8e879cf | 2002-11-09 15:48:49 +0000 | [diff] [blame] | 866 | error("Couldn't symlink file \"%s\" to \"%s\": %s", oldpath, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 867 | newpath, fx2txt(status)); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 868 | |
| 869 | return(status); |
| 870 | } |
| 871 | |
Damien Miller | cfe23d3 | 2008-02-10 22:20:44 +1100 | [diff] [blame] | 872 | #ifdef notyet |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 873 | char * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 874 | do_readlink(struct sftp_conn *conn, char *path) |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 875 | { |
| 876 | Buffer msg; |
| 877 | u_int type, expected_id, count, id; |
| 878 | char *filename, *longname; |
| 879 | Attrib *a; |
| 880 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 881 | expected_id = id = conn->msg_id++; |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 882 | send_string_request(conn, id, SSH2_FXP_READLINK, path, strlen(path)); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 883 | |
| 884 | buffer_init(&msg); |
| 885 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 886 | get_msg(conn, &msg); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 887 | type = buffer_get_char(&msg); |
| 888 | id = buffer_get_int(&msg); |
| 889 | |
| 890 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 891 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 892 | |
| 893 | if (type == SSH2_FXP_STATUS) { |
| 894 | u_int status = buffer_get_int(&msg); |
| 895 | |
| 896 | error("Couldn't readlink: %s", fx2txt(status)); |
Damien Miller | 3decdba | 2011-09-22 21:41:05 +1000 | [diff] [blame] | 897 | buffer_free(&msg); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 898 | return(NULL); |
| 899 | } else if (type != SSH2_FXP_NAME) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 900 | fatal("Expected SSH2_FXP_NAME(%u) packet, got %u", |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 901 | SSH2_FXP_NAME, type); |
| 902 | |
| 903 | count = buffer_get_int(&msg); |
| 904 | if (count != 1) |
| 905 | fatal("Got multiple names (%d) from SSH_FXP_READLINK", count); |
| 906 | |
| 907 | filename = buffer_get_string(&msg, NULL); |
| 908 | longname = buffer_get_string(&msg, NULL); |
| 909 | a = decode_attrib(&msg); |
| 910 | |
| 911 | debug3("SSH_FXP_READLINK %s -> %s", path, filename); |
| 912 | |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 913 | free(longname); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 914 | |
| 915 | buffer_free(&msg); |
| 916 | |
| 917 | return(filename); |
| 918 | } |
Damien Miller | cfe23d3 | 2008-02-10 22:20:44 +1100 | [diff] [blame] | 919 | #endif |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 920 | |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 921 | int |
Darren Tucker | 7b59889 | 2008-06-09 22:49:36 +1000 | [diff] [blame] | 922 | do_statvfs(struct sftp_conn *conn, const char *path, struct sftp_statvfs *st, |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 923 | int quiet) |
| 924 | { |
| 925 | Buffer msg; |
| 926 | u_int id; |
| 927 | |
| 928 | if ((conn->exts & SFTP_EXT_STATVFS) == 0) { |
| 929 | error("Server does not support statvfs@openssh.com extension"); |
| 930 | return -1; |
| 931 | } |
| 932 | |
| 933 | id = conn->msg_id++; |
| 934 | |
| 935 | buffer_init(&msg); |
| 936 | buffer_clear(&msg); |
| 937 | buffer_put_char(&msg, SSH2_FXP_EXTENDED); |
| 938 | buffer_put_int(&msg, id); |
| 939 | buffer_put_cstring(&msg, "statvfs@openssh.com"); |
| 940 | buffer_put_cstring(&msg, path); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 941 | send_msg(conn, &msg); |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 942 | buffer_free(&msg); |
| 943 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 944 | return get_decode_statvfs(conn, st, id, quiet); |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 945 | } |
| 946 | |
| 947 | #ifdef notyet |
| 948 | int |
| 949 | do_fstatvfs(struct sftp_conn *conn, const char *handle, u_int handle_len, |
Darren Tucker | 7b59889 | 2008-06-09 22:49:36 +1000 | [diff] [blame] | 950 | struct sftp_statvfs *st, int quiet) |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 951 | { |
| 952 | Buffer msg; |
| 953 | u_int id; |
| 954 | |
| 955 | if ((conn->exts & SFTP_EXT_FSTATVFS) == 0) { |
| 956 | error("Server does not support fstatvfs@openssh.com extension"); |
| 957 | return -1; |
| 958 | } |
| 959 | |
| 960 | id = conn->msg_id++; |
| 961 | |
| 962 | buffer_init(&msg); |
| 963 | buffer_clear(&msg); |
| 964 | buffer_put_char(&msg, SSH2_FXP_EXTENDED); |
| 965 | buffer_put_int(&msg, id); |
| 966 | buffer_put_cstring(&msg, "fstatvfs@openssh.com"); |
| 967 | buffer_put_string(&msg, handle, handle_len); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 968 | send_msg(conn, &msg); |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 969 | buffer_free(&msg); |
| 970 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 971 | return get_decode_statvfs(conn, st, id, quiet); |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 972 | } |
| 973 | #endif |
| 974 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 975 | static void |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 976 | send_read_request(struct sftp_conn *conn, u_int id, u_int64_t offset, |
| 977 | u_int len, char *handle, u_int handle_len) |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 978 | { |
| 979 | Buffer msg; |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 980 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 981 | buffer_init(&msg); |
| 982 | buffer_clear(&msg); |
| 983 | buffer_put_char(&msg, SSH2_FXP_READ); |
| 984 | buffer_put_int(&msg, id); |
| 985 | buffer_put_string(&msg, handle, handle_len); |
| 986 | buffer_put_int64(&msg, offset); |
| 987 | buffer_put_int(&msg, len); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 988 | send_msg(conn, &msg); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 989 | buffer_free(&msg); |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 990 | } |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 991 | |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 992 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 993 | do_download(struct sftp_conn *conn, char *remote_path, char *local_path, |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 994 | Attrib *a, int preserve_flag, int resume_flag) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 995 | { |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 996 | Attrib junk; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 997 | Buffer msg; |
| 998 | char *handle; |
Damien Miller | 0d03241 | 2013-07-25 11:56:52 +1000 | [diff] [blame] | 999 | int local_fd = -1, status = 0, write_error; |
| 1000 | int read_error, write_errno, reordered = 0; |
| 1001 | u_int64_t offset = 0, size, highwater; |
Damien Miller | eccb9de | 2005-06-17 12:59:34 +1000 | [diff] [blame] | 1002 | u_int handle_len, mode, type, id, buflen, num_req, max_req; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1003 | off_t progress_counter; |
Damien Miller | 0d03241 | 2013-07-25 11:56:52 +1000 | [diff] [blame] | 1004 | struct stat st; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1005 | struct request { |
| 1006 | u_int id; |
| 1007 | u_int len; |
| 1008 | u_int64_t offset; |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1009 | TAILQ_ENTRY(request) tq; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1010 | }; |
| 1011 | TAILQ_HEAD(reqhead, request) requests; |
| 1012 | struct request *req; |
| 1013 | |
| 1014 | TAILQ_INIT(&requests); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1015 | |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1016 | if (a == NULL && (a = do_stat(conn, remote_path, 0)) == NULL) |
| 1017 | return -1; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1018 | |
Damien Miller | 9e72028 | 2008-06-29 22:46:35 +1000 | [diff] [blame] | 1019 | /* Do not preserve set[ug]id here, as we do not preserve ownership */ |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1020 | if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) |
Damien Miller | 770b374 | 2003-01-08 14:04:53 +1100 | [diff] [blame] | 1021 | mode = a->perm & 0777; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1022 | else |
| 1023 | mode = 0666; |
| 1024 | |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 1025 | if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && |
Damien Miller | 5fa01fd | 2003-01-14 22:24:47 +1100 | [diff] [blame] | 1026 | (!S_ISREG(a->perm))) { |
| 1027 | error("Cannot download non-regular file: %s", remote_path); |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 1028 | return(-1); |
| 1029 | } |
| 1030 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1031 | if (a->flags & SSH2_FILEXFER_ATTR_SIZE) |
| 1032 | size = a->size; |
| 1033 | else |
| 1034 | size = 0; |
| 1035 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1036 | buflen = conn->transfer_buflen; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1037 | buffer_init(&msg); |
| 1038 | |
| 1039 | /* Send open request */ |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1040 | id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1041 | buffer_put_char(&msg, SSH2_FXP_OPEN); |
| 1042 | buffer_put_int(&msg, id); |
| 1043 | buffer_put_cstring(&msg, remote_path); |
| 1044 | buffer_put_int(&msg, SSH2_FXF_READ); |
| 1045 | attrib_clear(&junk); /* Send empty attributes */ |
| 1046 | encode_attrib(&msg, &junk); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 1047 | send_msg(conn, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1048 | debug3("Sent message SSH2_FXP_OPEN I:%u P:%s", id, remote_path); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1049 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 1050 | handle = get_handle(conn, id, &handle_len, |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame] | 1051 | "remote open(\"%s\")", remote_path); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1052 | if (handle == NULL) { |
| 1053 | buffer_free(&msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1054 | return(-1); |
| 1055 | } |
| 1056 | |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1057 | local_fd = open(local_path, |
| 1058 | O_WRONLY | O_CREAT | (resume_flag ? 0 : O_TRUNC), mode | S_IWUSR); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1059 | if (local_fd == -1) { |
| 1060 | error("Couldn't open local file \"%s\" for writing: %s", |
| 1061 | local_path, strerror(errno)); |
Damien Miller | 0d03241 | 2013-07-25 11:56:52 +1000 | [diff] [blame] | 1062 | goto fail; |
| 1063 | } |
| 1064 | offset = highwater = 0; |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1065 | if (resume_flag) { |
Damien Miller | 0d03241 | 2013-07-25 11:56:52 +1000 | [diff] [blame] | 1066 | if (fstat(local_fd, &st) == -1) { |
| 1067 | error("Unable to stat local file \"%s\": %s", |
| 1068 | local_path, strerror(errno)); |
| 1069 | goto fail; |
| 1070 | } |
| 1071 | if ((size_t)st.st_size > size) { |
| 1072 | error("Unable to resume download of \"%s\": " |
| 1073 | "local file is larger than remote", local_path); |
| 1074 | fail: |
| 1075 | do_close(conn, handle, handle_len); |
| 1076 | buffer_free(&msg); |
| 1077 | free(handle); |
| 1078 | return -1; |
| 1079 | } |
| 1080 | offset = highwater = st.st_size; |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1081 | } |
| 1082 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1083 | /* Read from remote and write to local */ |
Damien Miller | 0d03241 | 2013-07-25 11:56:52 +1000 | [diff] [blame] | 1084 | write_error = read_error = write_errno = num_req = 0; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1085 | max_req = 1; |
Damien Miller | 0d03241 | 2013-07-25 11:56:52 +1000 | [diff] [blame] | 1086 | progress_counter = offset; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1087 | |
Damien Miller | 9ba3069 | 2004-03-08 23:12:02 +1100 | [diff] [blame] | 1088 | if (showprogress && size != 0) |
| 1089 | start_progress_meter(remote_path, size, &progress_counter); |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1090 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1091 | while (num_req > 0 || max_req > 0) { |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1092 | char *data; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1093 | u_int len; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1094 | |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 1095 | /* |
Darren Tucker | fc95970 | 2004-07-17 16:12:08 +1000 | [diff] [blame] | 1096 | * Simulate EOF on interrupt: stop sending new requests and |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 1097 | * allow outstanding requests to drain gracefully |
| 1098 | */ |
| 1099 | if (interrupted) { |
| 1100 | if (num_req == 0) /* If we haven't started yet... */ |
| 1101 | break; |
| 1102 | max_req = 0; |
| 1103 | } |
| 1104 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1105 | /* Send some more requests */ |
| 1106 | while (num_req < max_req) { |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1107 | debug3("Request range %llu -> %llu (%d/%d)", |
Ben Lindstrom | d45f28c | 2002-03-22 01:00:57 +0000 | [diff] [blame] | 1108 | (unsigned long long)offset, |
| 1109 | (unsigned long long)offset + buflen - 1, |
| 1110 | num_req, max_req); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1111 | req = xmalloc(sizeof(*req)); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1112 | req->id = conn->msg_id++; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1113 | req->len = buflen; |
| 1114 | req->offset = offset; |
| 1115 | offset += buflen; |
| 1116 | num_req++; |
| 1117 | TAILQ_INSERT_TAIL(&requests, req, tq); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 1118 | send_read_request(conn, req->id, req->offset, |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1119 | req->len, handle, handle_len); |
| 1120 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1121 | |
| 1122 | buffer_clear(&msg); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 1123 | get_msg(conn, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1124 | type = buffer_get_char(&msg); |
| 1125 | id = buffer_get_int(&msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1126 | debug3("Received reply T:%u I:%u R:%d", type, id, max_req); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1127 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1128 | /* Find the request in our queue */ |
Darren Tucker | 47eede7 | 2005-03-14 23:08:12 +1100 | [diff] [blame] | 1129 | for (req = TAILQ_FIRST(&requests); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1130 | req != NULL && req->id != id; |
| 1131 | req = TAILQ_NEXT(req, tq)) |
| 1132 | ; |
| 1133 | if (req == NULL) |
| 1134 | fatal("Unexpected reply %u", id); |
| 1135 | |
| 1136 | switch (type) { |
| 1137 | case SSH2_FXP_STATUS: |
| 1138 | status = buffer_get_int(&msg); |
| 1139 | if (status != SSH2_FX_EOF) |
| 1140 | read_error = 1; |
| 1141 | max_req = 0; |
| 1142 | TAILQ_REMOVE(&requests, req, tq); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1143 | free(req); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1144 | num_req--; |
| 1145 | break; |
| 1146 | case SSH2_FXP_DATA: |
| 1147 | data = buffer_get_string(&msg, &len); |
Ben Lindstrom | eb50545 | 2002-03-22 01:03:15 +0000 | [diff] [blame] | 1148 | debug3("Received data %llu -> %llu", |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1149 | (unsigned long long)req->offset, |
Ben Lindstrom | eb50545 | 2002-03-22 01:03:15 +0000 | [diff] [blame] | 1150 | (unsigned long long)req->offset + len - 1); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1151 | if (len > req->len) |
| 1152 | fatal("Received more data than asked for " |
Ben Lindstrom | 93576d9 | 2002-12-23 02:06:19 +0000 | [diff] [blame] | 1153 | "%u > %u", len, req->len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1154 | if ((lseek(local_fd, req->offset, SEEK_SET) == -1 || |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 1155 | atomicio(vwrite, local_fd, data, len) != len) && |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1156 | !write_error) { |
| 1157 | write_errno = errno; |
| 1158 | write_error = 1; |
| 1159 | max_req = 0; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1160 | } |
Damien Miller | 0d03241 | 2013-07-25 11:56:52 +1000 | [diff] [blame] | 1161 | else if (!reordered && req->offset <= highwater) |
| 1162 | highwater = req->offset + len; |
| 1163 | else if (!reordered && req->offset > highwater) |
| 1164 | reordered = 1; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1165 | progress_counter += len; |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1166 | free(data); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1167 | |
| 1168 | if (len == req->len) { |
| 1169 | TAILQ_REMOVE(&requests, req, tq); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1170 | free(req); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1171 | num_req--; |
| 1172 | } else { |
| 1173 | /* Resend the request for the missing data */ |
| 1174 | debug3("Short data block, re-requesting " |
Ben Lindstrom | eb50545 | 2002-03-22 01:03:15 +0000 | [diff] [blame] | 1175 | "%llu -> %llu (%2d)", |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1176 | (unsigned long long)req->offset + len, |
Ben Lindstrom | 83b79e4 | 2002-03-22 01:05:27 +0000 | [diff] [blame] | 1177 | (unsigned long long)req->offset + |
| 1178 | req->len - 1, num_req); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1179 | req->id = conn->msg_id++; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1180 | req->len -= len; |
| 1181 | req->offset += len; |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 1182 | send_read_request(conn, req->id, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1183 | req->offset, req->len, handle, handle_len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1184 | /* Reduce the request size */ |
| 1185 | if (len < buflen) |
| 1186 | buflen = MAX(MIN_READ_SIZE, len); |
| 1187 | } |
| 1188 | if (max_req > 0) { /* max_req = 0 iff EOF received */ |
| 1189 | if (size > 0 && offset > size) { |
| 1190 | /* Only one request at a time |
| 1191 | * after the expected EOF */ |
| 1192 | debug3("Finish at %llu (%2d)", |
Ben Lindstrom | eb50545 | 2002-03-22 01:03:15 +0000 | [diff] [blame] | 1193 | (unsigned long long)offset, |
| 1194 | num_req); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1195 | max_req = 1; |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 1196 | } else if (max_req <= conn->num_requests) { |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1197 | ++max_req; |
| 1198 | } |
| 1199 | } |
| 1200 | break; |
| 1201 | default: |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1202 | fatal("Expected SSH2_FXP_DATA(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1203 | SSH2_FXP_DATA, type); |
| 1204 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1205 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1206 | |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1207 | if (showprogress && size) |
| 1208 | stop_progress_meter(); |
| 1209 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1210 | /* Sanity check */ |
| 1211 | if (TAILQ_FIRST(&requests) != NULL) |
| 1212 | fatal("Transfer complete, but requests still in queue"); |
Damien Miller | 0d03241 | 2013-07-25 11:56:52 +1000 | [diff] [blame] | 1213 | /* Truncate at highest contiguous point to avoid holes on interrupt */ |
| 1214 | if (read_error || write_error || interrupted) { |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1215 | if (reordered && resume_flag) { |
Damien Miller | 0d03241 | 2013-07-25 11:56:52 +1000 | [diff] [blame] | 1216 | error("Unable to resume download of \"%s\": " |
| 1217 | "server reordered requests", local_path); |
| 1218 | } |
| 1219 | debug("truncating at %llu", (unsigned long long)highwater); |
| 1220 | ftruncate(local_fd, highwater); |
| 1221 | } |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1222 | if (read_error) { |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1223 | error("Couldn't read from remote file \"%s\" : %s", |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1224 | remote_path, fx2txt(status)); |
Damien Miller | fec029f | 2013-08-21 02:42:12 +1000 | [diff] [blame] | 1225 | status = -1; |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1226 | do_close(conn, handle, handle_len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1227 | } else if (write_error) { |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1228 | error("Couldn't write to \"%s\": %s", local_path, |
| 1229 | strerror(write_errno)); |
| 1230 | status = -1; |
| 1231 | do_close(conn, handle, handle_len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1232 | } else { |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1233 | status = do_close(conn, handle, handle_len); |
Damien Miller | fec029f | 2013-08-21 02:42:12 +1000 | [diff] [blame] | 1234 | if (interrupted || status != SSH2_FX_OK) |
Damien Miller | 0d03241 | 2013-07-25 11:56:52 +1000 | [diff] [blame] | 1235 | status = -1; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1236 | /* Override umask and utimes if asked */ |
Ben Lindstrom | 6dc75f5 | 2001-02-17 16:47:47 +0000 | [diff] [blame] | 1237 | #ifdef HAVE_FCHMOD |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1238 | if (preserve_flag && fchmod(local_fd, mode) == -1) |
Damien Miller | a8e06ce | 2003-11-21 23:48:55 +1100 | [diff] [blame] | 1239 | #else |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1240 | if (preserve_flag && chmod(local_path, mode) == -1) |
Ben Lindstrom | 6dc75f5 | 2001-02-17 16:47:47 +0000 | [diff] [blame] | 1241 | #endif /* HAVE_FCHMOD */ |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1242 | error("Couldn't set mode on \"%s\": %s", local_path, |
Ben Lindstrom | 93576d9 | 2002-12-23 02:06:19 +0000 | [diff] [blame] | 1243 | strerror(errno)); |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1244 | if (preserve_flag && |
| 1245 | (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME)) { |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1246 | struct timeval tv[2]; |
| 1247 | tv[0].tv_sec = a->atime; |
| 1248 | tv[1].tv_sec = a->mtime; |
| 1249 | tv[0].tv_usec = tv[1].tv_usec = 0; |
| 1250 | if (utimes(local_path, tv) == -1) |
| 1251 | error("Can't set times on \"%s\": %s", |
Ben Lindstrom | 93576d9 | 2002-12-23 02:06:19 +0000 | [diff] [blame] | 1252 | local_path, strerror(errno)); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1253 | } |
Ben Lindstrom | 9d4f2c8 | 2001-02-15 03:22:45 +0000 | [diff] [blame] | 1254 | } |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 1255 | close(local_fd); |
| 1256 | buffer_free(&msg); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1257 | free(handle); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1258 | |
| 1259 | return(status); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1260 | } |
| 1261 | |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1262 | static int |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1263 | download_dir_internal(struct sftp_conn *conn, char *src, char *dst, int depth, |
| 1264 | Attrib *dirattrib, int preserve_flag, int print_flag, int resume_flag) |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1265 | { |
| 1266 | int i, ret = 0; |
| 1267 | SFTP_DIRENT **dir_entries; |
| 1268 | char *filename, *new_src, *new_dst; |
| 1269 | mode_t mode = 0777; |
| 1270 | |
| 1271 | if (depth >= MAX_DIR_DEPTH) { |
| 1272 | error("Maximum directory depth exceeded: %d levels", depth); |
| 1273 | return -1; |
| 1274 | } |
| 1275 | |
| 1276 | if (dirattrib == NULL && |
| 1277 | (dirattrib = do_stat(conn, src, 1)) == NULL) { |
| 1278 | error("Unable to stat remote directory \"%s\"", src); |
| 1279 | return -1; |
| 1280 | } |
| 1281 | if (!S_ISDIR(dirattrib->perm)) { |
| 1282 | error("\"%s\" is not a directory", src); |
| 1283 | return -1; |
| 1284 | } |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1285 | if (print_flag) |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1286 | printf("Retrieving %s\n", src); |
| 1287 | |
| 1288 | if (dirattrib->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) |
| 1289 | mode = dirattrib->perm & 01777; |
| 1290 | else { |
| 1291 | debug("Server did not send permissions for " |
| 1292 | "directory \"%s\"", dst); |
| 1293 | } |
| 1294 | |
| 1295 | if (mkdir(dst, mode) == -1 && errno != EEXIST) { |
| 1296 | error("mkdir %s: %s", dst, strerror(errno)); |
| 1297 | return -1; |
| 1298 | } |
| 1299 | |
| 1300 | if (do_readdir(conn, src, &dir_entries) == -1) { |
| 1301 | error("%s: Failed to get directory contents", src); |
| 1302 | return -1; |
| 1303 | } |
| 1304 | |
| 1305 | for (i = 0; dir_entries[i] != NULL && !interrupted; i++) { |
| 1306 | filename = dir_entries[i]->filename; |
| 1307 | |
| 1308 | new_dst = path_append(dst, filename); |
| 1309 | new_src = path_append(src, filename); |
| 1310 | |
| 1311 | if (S_ISDIR(dir_entries[i]->a.perm)) { |
| 1312 | if (strcmp(filename, ".") == 0 || |
| 1313 | strcmp(filename, "..") == 0) |
| 1314 | continue; |
| 1315 | if (download_dir_internal(conn, new_src, new_dst, |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1316 | depth + 1, &(dir_entries[i]->a), preserve_flag, |
| 1317 | print_flag, resume_flag) == -1) |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1318 | ret = -1; |
| 1319 | } else if (S_ISREG(dir_entries[i]->a.perm) ) { |
| 1320 | if (do_download(conn, new_src, new_dst, |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1321 | &(dir_entries[i]->a), preserve_flag, resume_flag) == -1) { |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1322 | error("Download of file %s to %s failed", |
| 1323 | new_src, new_dst); |
| 1324 | ret = -1; |
| 1325 | } |
| 1326 | } else |
| 1327 | logit("%s: not a regular file\n", new_src); |
| 1328 | |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1329 | free(new_dst); |
| 1330 | free(new_src); |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1331 | } |
| 1332 | |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1333 | if (preserve_flag) { |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1334 | if (dirattrib->flags & SSH2_FILEXFER_ATTR_ACMODTIME) { |
| 1335 | struct timeval tv[2]; |
| 1336 | tv[0].tv_sec = dirattrib->atime; |
| 1337 | tv[1].tv_sec = dirattrib->mtime; |
| 1338 | tv[0].tv_usec = tv[1].tv_usec = 0; |
| 1339 | if (utimes(dst, tv) == -1) |
| 1340 | error("Can't set times on \"%s\": %s", |
| 1341 | dst, strerror(errno)); |
| 1342 | } else |
| 1343 | debug("Server did not send times for directory " |
| 1344 | "\"%s\"", dst); |
| 1345 | } |
| 1346 | |
| 1347 | free_sftp_dirents(dir_entries); |
| 1348 | |
| 1349 | return ret; |
| 1350 | } |
| 1351 | |
| 1352 | int |
| 1353 | download_dir(struct sftp_conn *conn, char *src, char *dst, |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1354 | Attrib *dirattrib, int preserve_flag, int print_flag, int resume_flag) |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1355 | { |
| 1356 | char *src_canon; |
| 1357 | int ret; |
| 1358 | |
| 1359 | if ((src_canon = do_realpath(conn, src)) == NULL) { |
| 1360 | error("Unable to canonicalise path \"%s\"", src); |
| 1361 | return -1; |
| 1362 | } |
| 1363 | |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1364 | ret = download_dir_internal(conn, src_canon, dst, 0, |
| 1365 | dirattrib, preserve_flag, print_flag, resume_flag); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1366 | free(src_canon); |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1367 | return ret; |
| 1368 | } |
| 1369 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1370 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1371 | do_upload(struct sftp_conn *conn, char *local_path, char *remote_path, |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1372 | int preserve_flag) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1373 | { |
Damien Miller | acdf25b | 2008-02-10 22:27:24 +1100 | [diff] [blame] | 1374 | int local_fd; |
| 1375 | int status = SSH2_FX_OK; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1376 | u_int handle_len, id, type; |
Darren Tucker | c9a1991 | 2013-06-02 08:37:05 +1000 | [diff] [blame] | 1377 | off_t offset, progress_counter; |
Damien Miller | 8829d36 | 2002-02-08 22:04:05 +1100 | [diff] [blame] | 1378 | char *handle, *data; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1379 | Buffer msg; |
| 1380 | struct stat sb; |
| 1381 | Attrib a; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1382 | u_int32_t startid; |
| 1383 | u_int32_t ackid; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1384 | struct outstanding_ack { |
| 1385 | u_int id; |
| 1386 | u_int len; |
Damien Miller | 8b3fdfb | 2007-09-17 16:12:03 +1000 | [diff] [blame] | 1387 | off_t offset; |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1388 | TAILQ_ENTRY(outstanding_ack) tq; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1389 | }; |
| 1390 | TAILQ_HEAD(ackhead, outstanding_ack) acks; |
Damien Miller | 7cf17eb | 2004-06-15 10:28:56 +1000 | [diff] [blame] | 1391 | struct outstanding_ack *ack = NULL; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1392 | |
| 1393 | TAILQ_INIT(&acks); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1394 | |
| 1395 | if ((local_fd = open(local_path, O_RDONLY, 0)) == -1) { |
| 1396 | error("Couldn't open local file \"%s\" for reading: %s", |
| 1397 | local_path, strerror(errno)); |
| 1398 | return(-1); |
| 1399 | } |
| 1400 | if (fstat(local_fd, &sb) == -1) { |
| 1401 | error("Couldn't fstat local file \"%s\": %s", |
| 1402 | local_path, strerror(errno)); |
| 1403 | close(local_fd); |
| 1404 | return(-1); |
| 1405 | } |
Damien Miller | 5fa01fd | 2003-01-14 22:24:47 +1100 | [diff] [blame] | 1406 | if (!S_ISREG(sb.st_mode)) { |
| 1407 | error("%s is not a regular file", local_path); |
| 1408 | close(local_fd); |
| 1409 | return(-1); |
| 1410 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1411 | stat_to_attrib(&sb, &a); |
| 1412 | |
| 1413 | a.flags &= ~SSH2_FILEXFER_ATTR_SIZE; |
| 1414 | a.flags &= ~SSH2_FILEXFER_ATTR_UIDGID; |
| 1415 | a.perm &= 0777; |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1416 | if (!preserve_flag) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1417 | a.flags &= ~SSH2_FILEXFER_ATTR_ACMODTIME; |
| 1418 | |
| 1419 | buffer_init(&msg); |
| 1420 | |
| 1421 | /* Send open request */ |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1422 | id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1423 | buffer_put_char(&msg, SSH2_FXP_OPEN); |
| 1424 | buffer_put_int(&msg, id); |
| 1425 | buffer_put_cstring(&msg, remote_path); |
| 1426 | buffer_put_int(&msg, SSH2_FXF_WRITE|SSH2_FXF_CREAT|SSH2_FXF_TRUNC); |
| 1427 | encode_attrib(&msg, &a); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 1428 | send_msg(conn, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1429 | debug3("Sent message SSH2_FXP_OPEN I:%u P:%s", id, remote_path); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1430 | |
| 1431 | buffer_clear(&msg); |
| 1432 | |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 1433 | handle = get_handle(conn, id, &handle_len, |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame] | 1434 | "remote open(\"%s\")", remote_path); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1435 | if (handle == NULL) { |
| 1436 | close(local_fd); |
| 1437 | buffer_free(&msg); |
Damien Miller | acdf25b | 2008-02-10 22:27:24 +1100 | [diff] [blame] | 1438 | return -1; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1439 | } |
| 1440 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1441 | startid = ackid = id + 1; |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1442 | data = xmalloc(conn->transfer_buflen); |
Damien Miller | 8829d36 | 2002-02-08 22:04:05 +1100 | [diff] [blame] | 1443 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1444 | /* Read from local and write to remote */ |
Darren Tucker | c9a1991 | 2013-06-02 08:37:05 +1000 | [diff] [blame] | 1445 | offset = progress_counter = 0; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1446 | if (showprogress) |
Darren Tucker | c9a1991 | 2013-06-02 08:37:05 +1000 | [diff] [blame] | 1447 | start_progress_meter(local_path, sb.st_size, |
| 1448 | &progress_counter); |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1449 | |
Damien Miller | 9f0f5c6 | 2001-12-21 14:45:46 +1100 | [diff] [blame] | 1450 | for (;;) { |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1451 | int len; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1452 | |
| 1453 | /* |
Darren Tucker | fc95970 | 2004-07-17 16:12:08 +1000 | [diff] [blame] | 1454 | * Can't use atomicio here because it returns 0 on EOF, |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 1455 | * thus losing the last block of the file. |
Darren Tucker | fc95970 | 2004-07-17 16:12:08 +1000 | [diff] [blame] | 1456 | * Simulate an EOF on interrupt, allowing ACKs from the |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 1457 | * server to drain. |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1458 | */ |
Damien Miller | acdf25b | 2008-02-10 22:27:24 +1100 | [diff] [blame] | 1459 | if (interrupted || status != SSH2_FX_OK) |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 1460 | len = 0; |
| 1461 | else do |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1462 | len = read(local_fd, data, conn->transfer_buflen); |
Damien Miller | d8968ad | 2008-07-04 23:10:49 +1000 | [diff] [blame] | 1463 | while ((len == -1) && |
| 1464 | (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1465 | |
| 1466 | if (len == -1) |
| 1467 | fatal("Couldn't read from \"%s\": %s", local_path, |
| 1468 | strerror(errno)); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1469 | |
| 1470 | if (len != 0) { |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1471 | ack = xmalloc(sizeof(*ack)); |
| 1472 | ack->id = ++id; |
| 1473 | ack->offset = offset; |
| 1474 | ack->len = len; |
| 1475 | TAILQ_INSERT_TAIL(&acks, ack, tq); |
| 1476 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1477 | buffer_clear(&msg); |
| 1478 | buffer_put_char(&msg, SSH2_FXP_WRITE); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1479 | buffer_put_int(&msg, ack->id); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1480 | buffer_put_string(&msg, handle, handle_len); |
| 1481 | buffer_put_int64(&msg, offset); |
| 1482 | buffer_put_string(&msg, data, len); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 1483 | send_msg(conn, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1484 | debug3("Sent message SSH2_FXP_WRITE I:%u O:%llu S:%u", |
Ben Lindstrom | 93576d9 | 2002-12-23 02:06:19 +0000 | [diff] [blame] | 1485 | id, (unsigned long long)offset, len); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1486 | } else if (TAILQ_FIRST(&acks) == NULL) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1487 | break; |
| 1488 | |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1489 | if (ack == NULL) |
| 1490 | fatal("Unexpected ACK %u", id); |
| 1491 | |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1492 | if (id == startid || len == 0 || |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1493 | id - ackid >= conn->num_requests) { |
Ben Lindstrom | 5a6abda | 2002-06-09 19:41:48 +0000 | [diff] [blame] | 1494 | u_int r_id; |
Ben Lindstrom | 06e9515 | 2002-04-06 04:16:45 +0000 | [diff] [blame] | 1495 | |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1496 | buffer_clear(&msg); |
Damien Miller | 65e42f8 | 2010-09-24 22:15:11 +1000 | [diff] [blame] | 1497 | get_msg(conn, &msg); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1498 | type = buffer_get_char(&msg); |
Ben Lindstrom | 06e9515 | 2002-04-06 04:16:45 +0000 | [diff] [blame] | 1499 | r_id = buffer_get_int(&msg); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1500 | |
| 1501 | if (type != SSH2_FXP_STATUS) |
| 1502 | fatal("Expected SSH2_FXP_STATUS(%d) packet, " |
| 1503 | "got %d", SSH2_FXP_STATUS, type); |
| 1504 | |
| 1505 | status = buffer_get_int(&msg); |
| 1506 | debug3("SSH2_FXP_STATUS %d", status); |
| 1507 | |
| 1508 | /* Find the request in our queue */ |
Darren Tucker | 47eede7 | 2005-03-14 23:08:12 +1100 | [diff] [blame] | 1509 | for (ack = TAILQ_FIRST(&acks); |
Ben Lindstrom | 06e9515 | 2002-04-06 04:16:45 +0000 | [diff] [blame] | 1510 | ack != NULL && ack->id != r_id; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1511 | ack = TAILQ_NEXT(ack, tq)) |
| 1512 | ; |
| 1513 | if (ack == NULL) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1514 | fatal("Can't find request for ID %u", r_id); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1515 | TAILQ_REMOVE(&acks, ack, tq); |
Damien Miller | 8b3fdfb | 2007-09-17 16:12:03 +1000 | [diff] [blame] | 1516 | debug3("In write loop, ack for %u %u bytes at %lld", |
| 1517 | ack->id, ack->len, (long long)ack->offset); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1518 | ++ackid; |
Darren Tucker | c9a1991 | 2013-06-02 08:37:05 +1000 | [diff] [blame] | 1519 | progress_counter += ack->len; |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1520 | free(ack); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1521 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1522 | offset += len; |
Damien Miller | 8b3fdfb | 2007-09-17 16:12:03 +1000 | [diff] [blame] | 1523 | if (offset < 0) |
| 1524 | fatal("%s: offset < 0", __func__); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1525 | } |
Damien Miller | acdf25b | 2008-02-10 22:27:24 +1100 | [diff] [blame] | 1526 | buffer_free(&msg); |
| 1527 | |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1528 | if (showprogress) |
| 1529 | stop_progress_meter(); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1530 | free(data); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1531 | |
Damien Miller | acdf25b | 2008-02-10 22:27:24 +1100 | [diff] [blame] | 1532 | if (status != SSH2_FX_OK) { |
| 1533 | error("Couldn't write to remote file \"%s\": %s", |
| 1534 | remote_path, fx2txt(status)); |
| 1535 | status = -1; |
| 1536 | } |
| 1537 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1538 | if (close(local_fd) == -1) { |
| 1539 | error("Couldn't close local file \"%s\": %s", local_path, |
| 1540 | strerror(errno)); |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 1541 | status = -1; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1542 | } |
| 1543 | |
Ben Lindstrom | 9d4f2c8 | 2001-02-15 03:22:45 +0000 | [diff] [blame] | 1544 | /* Override umask and utimes if asked */ |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1545 | if (preserve_flag) |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1546 | do_fsetstat(conn, handle, handle_len, &a); |
Ben Lindstrom | 9d4f2c8 | 2001-02-15 03:22:45 +0000 | [diff] [blame] | 1547 | |
Damien Miller | acdf25b | 2008-02-10 22:27:24 +1100 | [diff] [blame] | 1548 | if (do_close(conn, handle, handle_len) != SSH2_FX_OK) |
| 1549 | status = -1; |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1550 | free(handle); |
Damien Miller | acdf25b | 2008-02-10 22:27:24 +1100 | [diff] [blame] | 1551 | |
| 1552 | return status; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1553 | } |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1554 | |
| 1555 | static int |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1556 | upload_dir_internal(struct sftp_conn *conn, char *src, char *dst, int depth, |
| 1557 | int preserve_flag, int print_flag) |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1558 | { |
| 1559 | int ret = 0, status; |
| 1560 | DIR *dirp; |
| 1561 | struct dirent *dp; |
| 1562 | char *filename, *new_src, *new_dst; |
| 1563 | struct stat sb; |
| 1564 | Attrib a; |
| 1565 | |
| 1566 | if (depth >= MAX_DIR_DEPTH) { |
| 1567 | error("Maximum directory depth exceeded: %d levels", depth); |
| 1568 | return -1; |
| 1569 | } |
| 1570 | |
| 1571 | if (stat(src, &sb) == -1) { |
| 1572 | error("Couldn't stat directory \"%s\": %s", |
| 1573 | src, strerror(errno)); |
| 1574 | return -1; |
| 1575 | } |
| 1576 | if (!S_ISDIR(sb.st_mode)) { |
| 1577 | error("\"%s\" is not a directory", src); |
| 1578 | return -1; |
| 1579 | } |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1580 | if (print_flag) |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1581 | printf("Entering %s\n", src); |
| 1582 | |
| 1583 | attrib_clear(&a); |
| 1584 | stat_to_attrib(&sb, &a); |
| 1585 | a.flags &= ~SSH2_FILEXFER_ATTR_SIZE; |
| 1586 | a.flags &= ~SSH2_FILEXFER_ATTR_UIDGID; |
| 1587 | a.perm &= 01777; |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1588 | if (!preserve_flag) |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1589 | a.flags &= ~SSH2_FILEXFER_ATTR_ACMODTIME; |
Damien Miller | 0d03241 | 2013-07-25 11:56:52 +1000 | [diff] [blame] | 1590 | |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1591 | status = do_mkdir(conn, dst, &a, 0); |
| 1592 | /* |
| 1593 | * we lack a portable status for errno EEXIST, |
| 1594 | * so if we get a SSH2_FX_FAILURE back we must check |
| 1595 | * if it was created successfully. |
| 1596 | */ |
| 1597 | if (status != SSH2_FX_OK) { |
| 1598 | if (status != SSH2_FX_FAILURE) |
| 1599 | return -1; |
Damien Miller | 0d03241 | 2013-07-25 11:56:52 +1000 | [diff] [blame] | 1600 | if (do_stat(conn, dst, 0) == NULL) |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1601 | return -1; |
| 1602 | } |
| 1603 | |
| 1604 | if ((dirp = opendir(src)) == NULL) { |
| 1605 | error("Failed to open dir \"%s\": %s", src, strerror(errno)); |
| 1606 | return -1; |
| 1607 | } |
Damien Miller | 0d03241 | 2013-07-25 11:56:52 +1000 | [diff] [blame] | 1608 | |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1609 | while (((dp = readdir(dirp)) != NULL) && !interrupted) { |
| 1610 | if (dp->d_ino == 0) |
| 1611 | continue; |
| 1612 | filename = dp->d_name; |
| 1613 | new_dst = path_append(dst, filename); |
| 1614 | new_src = path_append(src, filename); |
| 1615 | |
Darren Tucker | 438b473 | 2009-10-11 21:52:10 +1100 | [diff] [blame] | 1616 | if (lstat(new_src, &sb) == -1) { |
| 1617 | logit("%s: lstat failed: %s", filename, |
| 1618 | strerror(errno)); |
| 1619 | ret = -1; |
| 1620 | } else if (S_ISDIR(sb.st_mode)) { |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1621 | if (strcmp(filename, ".") == 0 || |
| 1622 | strcmp(filename, "..") == 0) |
| 1623 | continue; |
| 1624 | |
| 1625 | if (upload_dir_internal(conn, new_src, new_dst, |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1626 | depth + 1, preserve_flag, print_flag) == -1) |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1627 | ret = -1; |
Darren Tucker | 438b473 | 2009-10-11 21:52:10 +1100 | [diff] [blame] | 1628 | } else if (S_ISREG(sb.st_mode)) { |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1629 | if (do_upload(conn, new_src, new_dst, |
| 1630 | preserve_flag) == -1) { |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1631 | error("Uploading of file %s to %s failed!", |
| 1632 | new_src, new_dst); |
| 1633 | ret = -1; |
| 1634 | } |
| 1635 | } else |
| 1636 | logit("%s: not a regular file\n", filename); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1637 | free(new_dst); |
| 1638 | free(new_src); |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1639 | } |
| 1640 | |
| 1641 | do_setstat(conn, dst, &a); |
| 1642 | |
| 1643 | (void) closedir(dirp); |
| 1644 | return ret; |
| 1645 | } |
| 1646 | |
| 1647 | int |
Damien Miller | bda5c84 | 2013-10-15 12:05:58 +1100 | [diff] [blame] | 1648 | upload_dir(struct sftp_conn *conn, char *src, char *dst, int preserve_flag, |
| 1649 | int print_flag) |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1650 | { |
| 1651 | char *dst_canon; |
| 1652 | int ret; |
| 1653 | |
| 1654 | if ((dst_canon = do_realpath(conn, dst)) == NULL) { |
| 1655 | error("Unable to canonicalise path \"%s\"", dst); |
| 1656 | return -1; |
| 1657 | } |
| 1658 | |
Damien Miller | 2f93d05 | 2013-10-15 12:06:27 +1100 | [diff] [blame^] | 1659 | ret = upload_dir_internal(conn, src, dst_canon, 0, preserve_flag, |
| 1660 | print_flag); |
Darren Tucker | a627d42 | 2013-06-02 07:31:17 +1000 | [diff] [blame] | 1661 | free(dst_canon); |
Darren Tucker | 1b0dd17 | 2009-10-07 08:37:48 +1100 | [diff] [blame] | 1662 | return ret; |
| 1663 | } |
| 1664 | |
| 1665 | char * |
| 1666 | path_append(char *p1, char *p2) |
| 1667 | { |
| 1668 | char *ret; |
| 1669 | size_t len = strlen(p1) + strlen(p2) + 2; |
| 1670 | |
| 1671 | ret = xmalloc(len); |
| 1672 | strlcpy(ret, p1, len); |
| 1673 | if (p1[0] != '\0' && p1[strlen(p1) - 1] != '/') |
| 1674 | strlcat(ret, "/", len); |
| 1675 | strlcat(ret, p2, len); |
| 1676 | |
| 1677 | return(ret); |
| 1678 | } |
| 1679 | |