Damien Miller | 57cf638 | 2006-07-10 21:13:46 +1000 | [diff] [blame^] | 1 | /* $OpenBSD: sftp-client.c,v 1.66 2006/07/09 15:15:11 stevesk 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> |
| 26 | #ifdef HAVE_SYS_STAT_H |
| 27 | # include <sys/stat.h> |
| 28 | #endif |
Damien Miller | 57cf638 | 2006-07-10 21:13:46 +1000 | [diff] [blame^] | 29 | |
| 30 | #include <fcntl.h> |
| 31 | #include <signal.h> |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 32 | |
Damien Miller | 9b48151 | 2002-09-12 10:43:29 +1000 | [diff] [blame] | 33 | #include "openbsd-compat/sys-queue.h" |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 34 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 35 | #include "buffer.h" |
| 36 | #include "bufaux.h" |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 37 | #include "xmalloc.h" |
| 38 | #include "log.h" |
| 39 | #include "atomicio.h" |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 40 | #include "progressmeter.h" |
Damien Miller | 3f94188 | 2006-03-31 23:13:02 +1100 | [diff] [blame] | 41 | #include "misc.h" |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 42 | |
| 43 | #include "sftp.h" |
| 44 | #include "sftp-common.h" |
| 45 | #include "sftp-client.h" |
| 46 | |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 47 | extern volatile sig_atomic_t interrupted; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 48 | extern int showprogress; |
| 49 | |
Damien Miller | 0c8d8f6 | 2006-03-15 11:34:25 +1100 | [diff] [blame] | 50 | /* Minimum amount of data to read at a time */ |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 51 | #define MIN_READ_SIZE 512 |
| 52 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 53 | struct sftp_conn { |
| 54 | int fd_in; |
| 55 | int fd_out; |
| 56 | u_int transfer_buflen; |
| 57 | u_int num_requests; |
| 58 | u_int version; |
| 59 | u_int msg_id; |
| 60 | }; |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 61 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 62 | static void |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 63 | send_msg(int fd, Buffer *m) |
| 64 | { |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 65 | u_char mlen[4]; |
Damien Miller | 58ca98b | 2006-04-23 12:06:35 +1000 | [diff] [blame] | 66 | struct iovec iov[2]; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 67 | |
Damien Miller | 5444618 | 2006-01-02 23:40:50 +1100 | [diff] [blame] | 68 | if (buffer_len(m) > SFTP_MAX_MSG_LENGTH) |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 69 | fatal("Outbound message too long %u", buffer_len(m)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 70 | |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 71 | /* Send length first */ |
Damien Miller | 3f94188 | 2006-03-31 23:13:02 +1100 | [diff] [blame] | 72 | put_u32(mlen, buffer_len(m)); |
Damien Miller | 58ca98b | 2006-04-23 12:06:35 +1000 | [diff] [blame] | 73 | iov[0].iov_base = mlen; |
| 74 | iov[0].iov_len = sizeof(mlen); |
| 75 | iov[1].iov_base = buffer_ptr(m); |
| 76 | iov[1].iov_len = buffer_len(m); |
| 77 | |
| 78 | if (atomiciov(writev, fd, iov, 2) != buffer_len(m) + sizeof(mlen)) |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 79 | fatal("Couldn't send packet: %s", strerror(errno)); |
| 80 | |
| 81 | buffer_clear(m); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 82 | } |
| 83 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 84 | static void |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 85 | get_msg(int fd, Buffer *m) |
| 86 | { |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 87 | u_int msg_len; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 88 | |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 89 | buffer_append_space(m, 4); |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 90 | if (atomicio(read, fd, buffer_ptr(m), 4) != 4) { |
| 91 | if (errno == EPIPE) |
| 92 | fatal("Connection closed"); |
| 93 | else |
| 94 | fatal("Couldn't read packet: %s", strerror(errno)); |
| 95 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 96 | |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 97 | msg_len = buffer_get_int(m); |
Damien Miller | 5444618 | 2006-01-02 23:40:50 +1100 | [diff] [blame] | 98 | if (msg_len > SFTP_MAX_MSG_LENGTH) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 99 | fatal("Received message too long %u", msg_len); |
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 | buffer_append_space(m, msg_len); |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 102 | if (atomicio(read, fd, buffer_ptr(m), msg_len) != msg_len) { |
| 103 | if (errno == EPIPE) |
| 104 | fatal("Connection closed"); |
| 105 | else |
| 106 | fatal("Read packet: %s", strerror(errno)); |
| 107 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 108 | } |
| 109 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 110 | static void |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 111 | send_string_request(int fd, u_int id, u_int code, char *s, |
| 112 | u_int len) |
| 113 | { |
| 114 | Buffer msg; |
| 115 | |
| 116 | buffer_init(&msg); |
| 117 | buffer_put_char(&msg, code); |
| 118 | buffer_put_int(&msg, id); |
| 119 | buffer_put_string(&msg, s, len); |
| 120 | send_msg(fd, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 121 | debug3("Sent message fd %d T:%u I:%u", fd, code, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 122 | buffer_free(&msg); |
| 123 | } |
| 124 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 125 | static void |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 126 | send_string_attrs_request(int fd, u_int id, u_int code, char *s, |
| 127 | u_int len, Attrib *a) |
| 128 | { |
| 129 | Buffer msg; |
| 130 | |
| 131 | buffer_init(&msg); |
| 132 | buffer_put_char(&msg, code); |
| 133 | buffer_put_int(&msg, id); |
| 134 | buffer_put_string(&msg, s, len); |
| 135 | encode_attrib(&msg, a); |
| 136 | send_msg(fd, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 137 | debug3("Sent message fd %d T:%u I:%u", fd, code, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 138 | buffer_free(&msg); |
| 139 | } |
| 140 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 141 | static u_int |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 142 | get_status(int fd, u_int expected_id) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 143 | { |
| 144 | Buffer msg; |
| 145 | u_int type, id, status; |
| 146 | |
| 147 | buffer_init(&msg); |
| 148 | get_msg(fd, &msg); |
| 149 | type = buffer_get_char(&msg); |
| 150 | id = buffer_get_int(&msg); |
| 151 | |
| 152 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 153 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 154 | if (type != SSH2_FXP_STATUS) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 155 | fatal("Expected SSH2_FXP_STATUS(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 156 | SSH2_FXP_STATUS, type); |
| 157 | |
| 158 | status = buffer_get_int(&msg); |
| 159 | buffer_free(&msg); |
| 160 | |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 161 | debug3("SSH2_FXP_STATUS %u", status); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 162 | |
| 163 | return(status); |
| 164 | } |
| 165 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 166 | static char * |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 167 | get_handle(int fd, u_int expected_id, u_int *len) |
| 168 | { |
| 169 | Buffer msg; |
| 170 | u_int type, id; |
| 171 | char *handle; |
| 172 | |
| 173 | buffer_init(&msg); |
| 174 | get_msg(fd, &msg); |
| 175 | type = buffer_get_char(&msg); |
| 176 | id = buffer_get_int(&msg); |
| 177 | |
| 178 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 179 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 180 | if (type == SSH2_FXP_STATUS) { |
| 181 | int status = buffer_get_int(&msg); |
| 182 | |
| 183 | error("Couldn't get handle: %s", fx2txt(status)); |
Darren Tucker | cd516ef | 2004-12-06 22:43:43 +1100 | [diff] [blame] | 184 | buffer_free(&msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 185 | return(NULL); |
| 186 | } else if (type != SSH2_FXP_HANDLE) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 187 | fatal("Expected SSH2_FXP_HANDLE(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 188 | SSH2_FXP_HANDLE, type); |
| 189 | |
| 190 | handle = buffer_get_string(&msg, len); |
| 191 | buffer_free(&msg); |
| 192 | |
| 193 | return(handle); |
| 194 | } |
| 195 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 196 | static Attrib * |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 197 | get_decode_stat(int fd, u_int expected_id, int quiet) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 198 | { |
| 199 | Buffer msg; |
| 200 | u_int type, id; |
| 201 | Attrib *a; |
| 202 | |
| 203 | buffer_init(&msg); |
| 204 | get_msg(fd, &msg); |
| 205 | |
| 206 | type = buffer_get_char(&msg); |
| 207 | id = buffer_get_int(&msg); |
| 208 | |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 209 | debug3("Received stat reply T:%u I:%u", type, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 210 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 211 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 212 | if (type == SSH2_FXP_STATUS) { |
| 213 | int status = buffer_get_int(&msg); |
| 214 | |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 215 | if (quiet) |
| 216 | debug("Couldn't stat remote file: %s", fx2txt(status)); |
| 217 | else |
| 218 | error("Couldn't stat remote file: %s", fx2txt(status)); |
Darren Tucker | cd516ef | 2004-12-06 22:43:43 +1100 | [diff] [blame] | 219 | buffer_free(&msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 220 | return(NULL); |
| 221 | } else if (type != SSH2_FXP_ATTRS) { |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 222 | fatal("Expected SSH2_FXP_ATTRS(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 223 | SSH2_FXP_ATTRS, type); |
| 224 | } |
| 225 | a = decode_attrib(&msg); |
| 226 | buffer_free(&msg); |
| 227 | |
| 228 | return(a); |
| 229 | } |
| 230 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 231 | struct sftp_conn * |
| 232 | do_init(int fd_in, int fd_out, u_int transfer_buflen, u_int num_requests) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 233 | { |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 234 | u_int type; |
| 235 | int version; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 236 | Buffer msg; |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 237 | struct sftp_conn *ret; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 238 | |
| 239 | buffer_init(&msg); |
| 240 | buffer_put_char(&msg, SSH2_FXP_INIT); |
| 241 | buffer_put_int(&msg, SSH2_FILEXFER_VERSION); |
| 242 | send_msg(fd_out, &msg); |
| 243 | |
| 244 | buffer_clear(&msg); |
| 245 | |
| 246 | get_msg(fd_in, &msg); |
| 247 | |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 248 | /* Expecting a VERSION reply */ |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 249 | if ((type = buffer_get_char(&msg)) != SSH2_FXP_VERSION) { |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 250 | error("Invalid packet back from SSH2_FXP_INIT (type %u)", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 251 | type); |
| 252 | buffer_free(&msg); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 253 | return(NULL); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 254 | } |
| 255 | version = buffer_get_int(&msg); |
| 256 | |
| 257 | debug2("Remote version: %d", version); |
| 258 | |
| 259 | /* Check for extensions */ |
| 260 | while (buffer_len(&msg) > 0) { |
| 261 | char *name = buffer_get_string(&msg, NULL); |
| 262 | char *value = buffer_get_string(&msg, NULL); |
| 263 | |
| 264 | debug2("Init extension: \"%s\"", name); |
| 265 | xfree(name); |
| 266 | xfree(value); |
| 267 | } |
| 268 | |
| 269 | buffer_free(&msg); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 270 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 271 | ret = xmalloc(sizeof(*ret)); |
| 272 | ret->fd_in = fd_in; |
| 273 | ret->fd_out = fd_out; |
| 274 | ret->transfer_buflen = transfer_buflen; |
| 275 | ret->num_requests = num_requests; |
| 276 | ret->version = version; |
| 277 | ret->msg_id = 1; |
| 278 | |
| 279 | /* Some filexfer v.0 servers don't support large packets */ |
| 280 | if (version == 0) |
Ben Lindstrom | a1d8114 | 2002-04-02 20:58:11 +0000 | [diff] [blame] | 281 | ret->transfer_buflen = MIN(ret->transfer_buflen, 20480); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 282 | |
| 283 | return(ret); |
| 284 | } |
| 285 | |
| 286 | u_int |
| 287 | sftp_proto_version(struct sftp_conn *conn) |
| 288 | { |
| 289 | return(conn->version); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 290 | } |
| 291 | |
| 292 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 293 | do_close(struct sftp_conn *conn, char *handle, u_int handle_len) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 294 | { |
| 295 | u_int id, status; |
| 296 | Buffer msg; |
| 297 | |
| 298 | buffer_init(&msg); |
| 299 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 300 | id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 301 | buffer_put_char(&msg, SSH2_FXP_CLOSE); |
| 302 | buffer_put_int(&msg, id); |
| 303 | buffer_put_string(&msg, handle, handle_len); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 304 | send_msg(conn->fd_out, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 305 | debug3("Sent message SSH2_FXP_CLOSE I:%u", id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 306 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 307 | status = get_status(conn->fd_in, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 308 | if (status != SSH2_FX_OK) |
| 309 | error("Couldn't close file: %s", fx2txt(status)); |
| 310 | |
| 311 | buffer_free(&msg); |
| 312 | |
| 313 | return(status); |
| 314 | } |
| 315 | |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 316 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 317 | static int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 318 | do_lsreaddir(struct sftp_conn *conn, char *path, int printflag, |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 319 | SFTP_DIRENT ***dir) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 320 | { |
| 321 | Buffer msg; |
Damien Miller | eccb9de | 2005-06-17 12:59:34 +1000 | [diff] [blame] | 322 | u_int count, type, id, handle_len, i, expected_id, ents = 0; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 323 | char *handle; |
| 324 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 325 | id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 326 | |
| 327 | buffer_init(&msg); |
| 328 | buffer_put_char(&msg, SSH2_FXP_OPENDIR); |
| 329 | buffer_put_int(&msg, id); |
| 330 | buffer_put_cstring(&msg, path); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 331 | send_msg(conn->fd_out, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 332 | |
| 333 | buffer_clear(&msg); |
| 334 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 335 | handle = get_handle(conn->fd_in, id, &handle_len); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 336 | if (handle == NULL) |
| 337 | return(-1); |
| 338 | |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 339 | if (dir) { |
| 340 | ents = 0; |
| 341 | *dir = xmalloc(sizeof(**dir)); |
| 342 | (*dir)[0] = NULL; |
| 343 | } |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 344 | |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 345 | for (; !interrupted;) { |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 346 | id = expected_id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 347 | |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 348 | debug3("Sending SSH2_FXP_READDIR I:%u", id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 349 | |
| 350 | buffer_clear(&msg); |
| 351 | buffer_put_char(&msg, SSH2_FXP_READDIR); |
| 352 | buffer_put_int(&msg, id); |
| 353 | buffer_put_string(&msg, handle, handle_len); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 354 | send_msg(conn->fd_out, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 355 | |
| 356 | buffer_clear(&msg); |
| 357 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 358 | get_msg(conn->fd_in, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 359 | |
| 360 | type = buffer_get_char(&msg); |
| 361 | id = buffer_get_int(&msg); |
| 362 | |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 363 | debug3("Received reply T:%u I:%u", type, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 364 | |
| 365 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 366 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 367 | |
| 368 | if (type == SSH2_FXP_STATUS) { |
| 369 | int status = buffer_get_int(&msg); |
| 370 | |
| 371 | debug3("Received SSH2_FXP_STATUS %d", status); |
| 372 | |
| 373 | if (status == SSH2_FX_EOF) { |
| 374 | break; |
| 375 | } else { |
| 376 | error("Couldn't read directory: %s", |
| 377 | fx2txt(status)); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 378 | do_close(conn, handle, handle_len); |
Damien Miller | 0011138 | 2003-03-10 11:21:17 +1100 | [diff] [blame] | 379 | xfree(handle); |
Ben Lindstrom | 10ac33f | 2001-02-10 21:53:40 +0000 | [diff] [blame] | 380 | return(status); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 381 | } |
| 382 | } else if (type != SSH2_FXP_NAME) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 383 | fatal("Expected SSH2_FXP_NAME(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 384 | SSH2_FXP_NAME, type); |
| 385 | |
| 386 | count = buffer_get_int(&msg); |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 387 | if (count == 0) |
| 388 | break; |
| 389 | debug3("Received %d SSH2_FXP_NAME responses", count); |
Damien Miller | 9f0f5c6 | 2001-12-21 14:45:46 +1100 | [diff] [blame] | 390 | for (i = 0; i < count; i++) { |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 391 | char *filename, *longname; |
| 392 | Attrib *a; |
| 393 | |
| 394 | filename = buffer_get_string(&msg, NULL); |
| 395 | longname = buffer_get_string(&msg, NULL); |
| 396 | a = decode_attrib(&msg); |
| 397 | |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 398 | if (printflag) |
| 399 | printf("%s\n", longname); |
| 400 | |
| 401 | if (dir) { |
Damien Miller | 3681209 | 2006-03-26 14:22:47 +1100 | [diff] [blame] | 402 | *dir = xrealloc(*dir, ents + 2, sizeof(**dir)); |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 403 | (*dir)[ents] = xmalloc(sizeof(***dir)); |
| 404 | (*dir)[ents]->filename = xstrdup(filename); |
| 405 | (*dir)[ents]->longname = xstrdup(longname); |
| 406 | memcpy(&(*dir)[ents]->a, a, sizeof(*a)); |
| 407 | (*dir)[++ents] = NULL; |
| 408 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 409 | |
| 410 | xfree(filename); |
| 411 | xfree(longname); |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | buffer_free(&msg); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 416 | do_close(conn, handle, handle_len); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 417 | xfree(handle); |
| 418 | |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 419 | /* Don't return partial matches on interrupt */ |
| 420 | if (interrupted && dir != NULL && *dir != NULL) { |
| 421 | free_sftp_dirents(*dir); |
| 422 | *dir = xmalloc(sizeof(**dir)); |
| 423 | **dir = NULL; |
| 424 | } |
| 425 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 426 | return(0); |
| 427 | } |
| 428 | |
| 429 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 430 | do_readdir(struct sftp_conn *conn, char *path, SFTP_DIRENT ***dir) |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 431 | { |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 432 | return(do_lsreaddir(conn, path, 0, dir)); |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 433 | } |
| 434 | |
| 435 | void free_sftp_dirents(SFTP_DIRENT **s) |
| 436 | { |
| 437 | int i; |
Damien Miller | 9f0f5c6 | 2001-12-21 14:45:46 +1100 | [diff] [blame] | 438 | |
| 439 | for (i = 0; s[i]; i++) { |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 440 | xfree(s[i]->filename); |
| 441 | xfree(s[i]->longname); |
| 442 | xfree(s[i]); |
| 443 | } |
| 444 | xfree(s); |
| 445 | } |
| 446 | |
| 447 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 448 | do_rm(struct sftp_conn *conn, char *path) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 449 | { |
| 450 | u_int status, id; |
| 451 | |
| 452 | debug2("Sending SSH2_FXP_REMOVE \"%s\"", path); |
| 453 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 454 | id = conn->msg_id++; |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 455 | send_string_request(conn->fd_out, id, SSH2_FXP_REMOVE, path, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 456 | strlen(path)); |
| 457 | status = get_status(conn->fd_in, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 458 | if (status != SSH2_FX_OK) |
| 459 | error("Couldn't delete file: %s", fx2txt(status)); |
| 460 | return(status); |
| 461 | } |
| 462 | |
| 463 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 464 | do_mkdir(struct sftp_conn *conn, char *path, Attrib *a) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 465 | { |
| 466 | u_int status, id; |
| 467 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 468 | id = conn->msg_id++; |
| 469 | send_string_attrs_request(conn->fd_out, id, SSH2_FXP_MKDIR, path, |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 470 | strlen(path), a); |
| 471 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 472 | status = get_status(conn->fd_in, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 473 | if (status != SSH2_FX_OK) |
| 474 | error("Couldn't create directory: %s", fx2txt(status)); |
| 475 | |
| 476 | return(status); |
| 477 | } |
| 478 | |
| 479 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 480 | do_rmdir(struct sftp_conn *conn, char *path) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 481 | { |
| 482 | u_int status, id; |
| 483 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 484 | id = conn->msg_id++; |
| 485 | send_string_request(conn->fd_out, id, SSH2_FXP_RMDIR, path, |
| 486 | strlen(path)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 487 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 488 | status = get_status(conn->fd_in, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 489 | if (status != SSH2_FX_OK) |
| 490 | error("Couldn't remove directory: %s", fx2txt(status)); |
| 491 | |
| 492 | return(status); |
| 493 | } |
| 494 | |
| 495 | Attrib * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 496 | do_stat(struct sftp_conn *conn, char *path, int quiet) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 497 | { |
| 498 | u_int id; |
| 499 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 500 | id = conn->msg_id++; |
| 501 | |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 502 | send_string_request(conn->fd_out, id, |
| 503 | conn->version == 0 ? SSH2_FXP_STAT_VERSION_0 : SSH2_FXP_STAT, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 504 | path, strlen(path)); |
| 505 | |
| 506 | return(get_decode_stat(conn->fd_in, id, quiet)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 507 | } |
| 508 | |
| 509 | Attrib * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 510 | do_lstat(struct sftp_conn *conn, char *path, int quiet) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 511 | { |
| 512 | u_int id; |
| 513 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 514 | if (conn->version == 0) { |
| 515 | if (quiet) |
| 516 | debug("Server version does not support lstat operation"); |
| 517 | else |
Damien Miller | 996acd2 | 2003-04-09 20:59:48 +1000 | [diff] [blame] | 518 | logit("Server version does not support lstat operation"); |
Ben Lindstrom | f26ff5b | 2002-04-02 21:00:31 +0000 | [diff] [blame] | 519 | return(do_stat(conn, path, quiet)); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 520 | } |
| 521 | |
| 522 | id = conn->msg_id++; |
| 523 | send_string_request(conn->fd_out, id, SSH2_FXP_LSTAT, path, |
| 524 | strlen(path)); |
| 525 | |
| 526 | return(get_decode_stat(conn->fd_in, id, quiet)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | Attrib * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 530 | 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] | 531 | { |
| 532 | u_int id; |
| 533 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 534 | id = conn->msg_id++; |
| 535 | send_string_request(conn->fd_out, id, SSH2_FXP_FSTAT, handle, |
| 536 | handle_len); |
| 537 | |
| 538 | return(get_decode_stat(conn->fd_in, id, quiet)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 539 | } |
| 540 | |
| 541 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 542 | do_setstat(struct sftp_conn *conn, char *path, Attrib *a) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 543 | { |
| 544 | u_int status, id; |
| 545 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 546 | id = conn->msg_id++; |
| 547 | send_string_attrs_request(conn->fd_out, id, SSH2_FXP_SETSTAT, path, |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 548 | strlen(path), a); |
| 549 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 550 | status = get_status(conn->fd_in, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 551 | if (status != SSH2_FX_OK) |
| 552 | error("Couldn't setstat on \"%s\": %s", path, |
| 553 | fx2txt(status)); |
| 554 | |
| 555 | return(status); |
| 556 | } |
| 557 | |
| 558 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 559 | do_fsetstat(struct sftp_conn *conn, char *handle, u_int handle_len, |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 560 | Attrib *a) |
| 561 | { |
| 562 | u_int status, id; |
| 563 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 564 | id = conn->msg_id++; |
| 565 | send_string_attrs_request(conn->fd_out, id, SSH2_FXP_FSETSTAT, handle, |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 566 | handle_len, a); |
| 567 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 568 | status = get_status(conn->fd_in, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 569 | if (status != SSH2_FX_OK) |
| 570 | error("Couldn't fsetstat: %s", fx2txt(status)); |
| 571 | |
| 572 | return(status); |
| 573 | } |
| 574 | |
| 575 | char * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 576 | do_realpath(struct sftp_conn *conn, char *path) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 577 | { |
| 578 | Buffer msg; |
| 579 | u_int type, expected_id, count, id; |
| 580 | char *filename, *longname; |
| 581 | Attrib *a; |
| 582 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 583 | expected_id = id = conn->msg_id++; |
| 584 | send_string_request(conn->fd_out, id, SSH2_FXP_REALPATH, path, |
| 585 | strlen(path)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 586 | |
| 587 | buffer_init(&msg); |
| 588 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 589 | get_msg(conn->fd_in, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 590 | type = buffer_get_char(&msg); |
| 591 | id = buffer_get_int(&msg); |
| 592 | |
| 593 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 594 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 595 | |
| 596 | if (type == SSH2_FXP_STATUS) { |
| 597 | u_int status = buffer_get_int(&msg); |
| 598 | |
| 599 | error("Couldn't canonicalise: %s", fx2txt(status)); |
| 600 | return(NULL); |
| 601 | } else if (type != SSH2_FXP_NAME) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 602 | fatal("Expected SSH2_FXP_NAME(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 603 | SSH2_FXP_NAME, type); |
| 604 | |
| 605 | count = buffer_get_int(&msg); |
| 606 | if (count != 1) |
| 607 | fatal("Got multiple names (%d) from SSH_FXP_REALPATH", count); |
| 608 | |
| 609 | filename = buffer_get_string(&msg, NULL); |
| 610 | longname = buffer_get_string(&msg, NULL); |
| 611 | a = decode_attrib(&msg); |
| 612 | |
| 613 | debug3("SSH_FXP_REALPATH %s -> %s", path, filename); |
| 614 | |
| 615 | xfree(longname); |
| 616 | |
| 617 | buffer_free(&msg); |
| 618 | |
| 619 | return(filename); |
| 620 | } |
| 621 | |
| 622 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 623 | do_rename(struct sftp_conn *conn, char *oldpath, char *newpath) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 624 | { |
| 625 | Buffer msg; |
| 626 | u_int status, id; |
| 627 | |
| 628 | buffer_init(&msg); |
| 629 | |
| 630 | /* Send rename request */ |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 631 | id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 632 | buffer_put_char(&msg, SSH2_FXP_RENAME); |
| 633 | buffer_put_int(&msg, id); |
| 634 | buffer_put_cstring(&msg, oldpath); |
| 635 | buffer_put_cstring(&msg, newpath); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 636 | send_msg(conn->fd_out, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 637 | debug3("Sent message SSH2_FXP_RENAME \"%s\" -> \"%s\"", oldpath, |
| 638 | newpath); |
| 639 | buffer_free(&msg); |
| 640 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 641 | status = get_status(conn->fd_in, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 642 | if (status != SSH2_FX_OK) |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 643 | error("Couldn't rename file \"%s\" to \"%s\": %s", oldpath, |
| 644 | newpath, fx2txt(status)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 645 | |
| 646 | return(status); |
| 647 | } |
| 648 | |
| 649 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 650 | do_symlink(struct sftp_conn *conn, char *oldpath, char *newpath) |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 651 | { |
| 652 | Buffer msg; |
| 653 | u_int status, id; |
| 654 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 655 | if (conn->version < 3) { |
| 656 | error("This server does not support the symlink operation"); |
| 657 | return(SSH2_FX_OP_UNSUPPORTED); |
| 658 | } |
| 659 | |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 660 | buffer_init(&msg); |
| 661 | |
Darren Tucker | dca6a4d | 2004-04-19 22:10:52 +1000 | [diff] [blame] | 662 | /* Send symlink request */ |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 663 | id = conn->msg_id++; |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 664 | buffer_put_char(&msg, SSH2_FXP_SYMLINK); |
| 665 | buffer_put_int(&msg, id); |
| 666 | buffer_put_cstring(&msg, oldpath); |
| 667 | buffer_put_cstring(&msg, newpath); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 668 | send_msg(conn->fd_out, &msg); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 669 | debug3("Sent message SSH2_FXP_SYMLINK \"%s\" -> \"%s\"", oldpath, |
| 670 | newpath); |
| 671 | buffer_free(&msg); |
| 672 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 673 | status = get_status(conn->fd_in, id); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 674 | if (status != SSH2_FX_OK) |
Ben Lindstrom | 8e879cf | 2002-11-09 15:48:49 +0000 | [diff] [blame] | 675 | error("Couldn't symlink file \"%s\" to \"%s\": %s", oldpath, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 676 | newpath, fx2txt(status)); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 677 | |
| 678 | return(status); |
| 679 | } |
| 680 | |
| 681 | char * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 682 | do_readlink(struct sftp_conn *conn, char *path) |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 683 | { |
| 684 | Buffer msg; |
| 685 | u_int type, expected_id, count, id; |
| 686 | char *filename, *longname; |
| 687 | Attrib *a; |
| 688 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 689 | expected_id = id = conn->msg_id++; |
| 690 | send_string_request(conn->fd_out, id, SSH2_FXP_READLINK, path, |
| 691 | strlen(path)); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 692 | |
| 693 | buffer_init(&msg); |
| 694 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 695 | get_msg(conn->fd_in, &msg); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 696 | type = buffer_get_char(&msg); |
| 697 | id = buffer_get_int(&msg); |
| 698 | |
| 699 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 700 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 701 | |
| 702 | if (type == SSH2_FXP_STATUS) { |
| 703 | u_int status = buffer_get_int(&msg); |
| 704 | |
| 705 | error("Couldn't readlink: %s", fx2txt(status)); |
| 706 | return(NULL); |
| 707 | } else if (type != SSH2_FXP_NAME) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 708 | fatal("Expected SSH2_FXP_NAME(%u) packet, got %u", |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 709 | SSH2_FXP_NAME, type); |
| 710 | |
| 711 | count = buffer_get_int(&msg); |
| 712 | if (count != 1) |
| 713 | fatal("Got multiple names (%d) from SSH_FXP_READLINK", count); |
| 714 | |
| 715 | filename = buffer_get_string(&msg, NULL); |
| 716 | longname = buffer_get_string(&msg, NULL); |
| 717 | a = decode_attrib(&msg); |
| 718 | |
| 719 | debug3("SSH_FXP_READLINK %s -> %s", path, filename); |
| 720 | |
| 721 | xfree(longname); |
| 722 | |
| 723 | buffer_free(&msg); |
| 724 | |
| 725 | return(filename); |
| 726 | } |
| 727 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 728 | static void |
| 729 | send_read_request(int fd_out, u_int id, u_int64_t offset, u_int len, |
| 730 | char *handle, u_int handle_len) |
| 731 | { |
| 732 | Buffer msg; |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 733 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 734 | buffer_init(&msg); |
| 735 | buffer_clear(&msg); |
| 736 | buffer_put_char(&msg, SSH2_FXP_READ); |
| 737 | buffer_put_int(&msg, id); |
| 738 | buffer_put_string(&msg, handle, handle_len); |
| 739 | buffer_put_int64(&msg, offset); |
| 740 | buffer_put_int(&msg, len); |
| 741 | send_msg(fd_out, &msg); |
| 742 | buffer_free(&msg); |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 743 | } |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 744 | |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 745 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 746 | do_download(struct sftp_conn *conn, char *remote_path, char *local_path, |
| 747 | int pflag) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 748 | { |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 749 | Attrib junk, *a; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 750 | Buffer msg; |
| 751 | char *handle; |
Darren Tucker | 4085853 | 2005-08-02 17:07:07 +1000 | [diff] [blame] | 752 | int local_fd, status = 0, write_error; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 753 | int read_error, write_errno; |
| 754 | u_int64_t offset, size; |
Damien Miller | eccb9de | 2005-06-17 12:59:34 +1000 | [diff] [blame] | 755 | u_int handle_len, mode, type, id, buflen, num_req, max_req; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 756 | off_t progress_counter; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 757 | struct request { |
| 758 | u_int id; |
| 759 | u_int len; |
| 760 | u_int64_t offset; |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 761 | TAILQ_ENTRY(request) tq; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 762 | }; |
| 763 | TAILQ_HEAD(reqhead, request) requests; |
| 764 | struct request *req; |
| 765 | |
| 766 | TAILQ_INIT(&requests); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 767 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 768 | a = do_stat(conn, remote_path, 0); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 769 | if (a == NULL) |
| 770 | return(-1); |
| 771 | |
| 772 | /* XXX: should we preserve set[ug]id? */ |
| 773 | if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) |
Damien Miller | 770b374 | 2003-01-08 14:04:53 +1100 | [diff] [blame] | 774 | mode = a->perm & 0777; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 775 | else |
| 776 | mode = 0666; |
| 777 | |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 778 | if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && |
Damien Miller | 5fa01fd | 2003-01-14 22:24:47 +1100 | [diff] [blame] | 779 | (!S_ISREG(a->perm))) { |
| 780 | error("Cannot download non-regular file: %s", remote_path); |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 781 | return(-1); |
| 782 | } |
| 783 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 784 | if (a->flags & SSH2_FILEXFER_ATTR_SIZE) |
| 785 | size = a->size; |
| 786 | else |
| 787 | size = 0; |
| 788 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 789 | buflen = conn->transfer_buflen; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 790 | buffer_init(&msg); |
| 791 | |
| 792 | /* Send open request */ |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 793 | id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 794 | buffer_put_char(&msg, SSH2_FXP_OPEN); |
| 795 | buffer_put_int(&msg, id); |
| 796 | buffer_put_cstring(&msg, remote_path); |
| 797 | buffer_put_int(&msg, SSH2_FXF_READ); |
| 798 | attrib_clear(&junk); /* Send empty attributes */ |
| 799 | encode_attrib(&msg, &junk); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 800 | send_msg(conn->fd_out, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 801 | 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] | 802 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 803 | handle = get_handle(conn->fd_in, id, &handle_len); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 804 | if (handle == NULL) { |
| 805 | buffer_free(&msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 806 | return(-1); |
| 807 | } |
| 808 | |
Damien Miller | a8e06ce | 2003-11-21 23:48:55 +1100 | [diff] [blame] | 809 | local_fd = open(local_path, O_WRONLY | O_CREAT | O_TRUNC, |
Damien Miller | 770b374 | 2003-01-08 14:04:53 +1100 | [diff] [blame] | 810 | mode | S_IWRITE); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 811 | if (local_fd == -1) { |
| 812 | error("Couldn't open local file \"%s\" for writing: %s", |
| 813 | local_path, strerror(errno)); |
Ben Lindstrom | 021fcd3 | 2002-02-26 18:02:43 +0000 | [diff] [blame] | 814 | buffer_free(&msg); |
| 815 | xfree(handle); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 816 | return(-1); |
| 817 | } |
| 818 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 819 | /* Read from remote and write to local */ |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 820 | write_error = read_error = write_errno = num_req = offset = 0; |
| 821 | max_req = 1; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 822 | progress_counter = 0; |
| 823 | |
Damien Miller | 9ba3069 | 2004-03-08 23:12:02 +1100 | [diff] [blame] | 824 | if (showprogress && size != 0) |
| 825 | start_progress_meter(remote_path, size, &progress_counter); |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 826 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 827 | while (num_req > 0 || max_req > 0) { |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 828 | char *data; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 829 | u_int len; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 830 | |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 831 | /* |
Darren Tucker | fc95970 | 2004-07-17 16:12:08 +1000 | [diff] [blame] | 832 | * Simulate EOF on interrupt: stop sending new requests and |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 833 | * allow outstanding requests to drain gracefully |
| 834 | */ |
| 835 | if (interrupted) { |
| 836 | if (num_req == 0) /* If we haven't started yet... */ |
| 837 | break; |
| 838 | max_req = 0; |
| 839 | } |
| 840 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 841 | /* Send some more requests */ |
| 842 | while (num_req < max_req) { |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 843 | debug3("Request range %llu -> %llu (%d/%d)", |
Ben Lindstrom | d45f28c | 2002-03-22 01:00:57 +0000 | [diff] [blame] | 844 | (unsigned long long)offset, |
| 845 | (unsigned long long)offset + buflen - 1, |
| 846 | num_req, max_req); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 847 | req = xmalloc(sizeof(*req)); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 848 | req->id = conn->msg_id++; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 849 | req->len = buflen; |
| 850 | req->offset = offset; |
| 851 | offset += buflen; |
| 852 | num_req++; |
| 853 | TAILQ_INSERT_TAIL(&requests, req, tq); |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 854 | send_read_request(conn->fd_out, req->id, req->offset, |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 855 | req->len, handle, handle_len); |
| 856 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 857 | |
| 858 | buffer_clear(&msg); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 859 | get_msg(conn->fd_in, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 860 | type = buffer_get_char(&msg); |
| 861 | id = buffer_get_int(&msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 862 | 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] | 863 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 864 | /* Find the request in our queue */ |
Darren Tucker | 47eede7 | 2005-03-14 23:08:12 +1100 | [diff] [blame] | 865 | for (req = TAILQ_FIRST(&requests); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 866 | req != NULL && req->id != id; |
| 867 | req = TAILQ_NEXT(req, tq)) |
| 868 | ; |
| 869 | if (req == NULL) |
| 870 | fatal("Unexpected reply %u", id); |
| 871 | |
| 872 | switch (type) { |
| 873 | case SSH2_FXP_STATUS: |
| 874 | status = buffer_get_int(&msg); |
| 875 | if (status != SSH2_FX_EOF) |
| 876 | read_error = 1; |
| 877 | max_req = 0; |
| 878 | TAILQ_REMOVE(&requests, req, tq); |
| 879 | xfree(req); |
| 880 | num_req--; |
| 881 | break; |
| 882 | case SSH2_FXP_DATA: |
| 883 | data = buffer_get_string(&msg, &len); |
Ben Lindstrom | eb50545 | 2002-03-22 01:03:15 +0000 | [diff] [blame] | 884 | debug3("Received data %llu -> %llu", |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 885 | (unsigned long long)req->offset, |
Ben Lindstrom | eb50545 | 2002-03-22 01:03:15 +0000 | [diff] [blame] | 886 | (unsigned long long)req->offset + len - 1); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 887 | if (len > req->len) |
| 888 | fatal("Received more data than asked for " |
Ben Lindstrom | 93576d9 | 2002-12-23 02:06:19 +0000 | [diff] [blame] | 889 | "%u > %u", len, req->len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 890 | if ((lseek(local_fd, req->offset, SEEK_SET) == -1 || |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 891 | atomicio(vwrite, local_fd, data, len) != len) && |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 892 | !write_error) { |
| 893 | write_errno = errno; |
| 894 | write_error = 1; |
| 895 | max_req = 0; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 896 | } |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 897 | progress_counter += len; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 898 | xfree(data); |
| 899 | |
| 900 | if (len == req->len) { |
| 901 | TAILQ_REMOVE(&requests, req, tq); |
| 902 | xfree(req); |
| 903 | num_req--; |
| 904 | } else { |
| 905 | /* Resend the request for the missing data */ |
| 906 | debug3("Short data block, re-requesting " |
Ben Lindstrom | eb50545 | 2002-03-22 01:03:15 +0000 | [diff] [blame] | 907 | "%llu -> %llu (%2d)", |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 908 | (unsigned long long)req->offset + len, |
Ben Lindstrom | 83b79e4 | 2002-03-22 01:05:27 +0000 | [diff] [blame] | 909 | (unsigned long long)req->offset + |
| 910 | req->len - 1, num_req); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 911 | req->id = conn->msg_id++; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 912 | req->len -= len; |
| 913 | req->offset += len; |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 914 | send_read_request(conn->fd_out, req->id, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 915 | req->offset, req->len, handle, handle_len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 916 | /* Reduce the request size */ |
| 917 | if (len < buflen) |
| 918 | buflen = MAX(MIN_READ_SIZE, len); |
| 919 | } |
| 920 | if (max_req > 0) { /* max_req = 0 iff EOF received */ |
| 921 | if (size > 0 && offset > size) { |
| 922 | /* Only one request at a time |
| 923 | * after the expected EOF */ |
| 924 | debug3("Finish at %llu (%2d)", |
Ben Lindstrom | eb50545 | 2002-03-22 01:03:15 +0000 | [diff] [blame] | 925 | (unsigned long long)offset, |
| 926 | num_req); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 927 | max_req = 1; |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 928 | } else if (max_req <= conn->num_requests) { |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 929 | ++max_req; |
| 930 | } |
| 931 | } |
| 932 | break; |
| 933 | default: |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 934 | fatal("Expected SSH2_FXP_DATA(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 935 | SSH2_FXP_DATA, type); |
| 936 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 937 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 938 | |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 939 | if (showprogress && size) |
| 940 | stop_progress_meter(); |
| 941 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 942 | /* Sanity check */ |
| 943 | if (TAILQ_FIRST(&requests) != NULL) |
| 944 | fatal("Transfer complete, but requests still in queue"); |
| 945 | |
| 946 | if (read_error) { |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 947 | error("Couldn't read from remote file \"%s\" : %s", |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 948 | remote_path, fx2txt(status)); |
| 949 | do_close(conn, handle, handle_len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 950 | } else if (write_error) { |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 951 | error("Couldn't write to \"%s\": %s", local_path, |
| 952 | strerror(write_errno)); |
| 953 | status = -1; |
| 954 | do_close(conn, handle, handle_len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 955 | } else { |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 956 | status = do_close(conn, handle, handle_len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 957 | |
| 958 | /* Override umask and utimes if asked */ |
Ben Lindstrom | 6dc75f5 | 2001-02-17 16:47:47 +0000 | [diff] [blame] | 959 | #ifdef HAVE_FCHMOD |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 960 | if (pflag && fchmod(local_fd, mode) == -1) |
Damien Miller | a8e06ce | 2003-11-21 23:48:55 +1100 | [diff] [blame] | 961 | #else |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 962 | if (pflag && chmod(local_path, mode) == -1) |
Ben Lindstrom | 6dc75f5 | 2001-02-17 16:47:47 +0000 | [diff] [blame] | 963 | #endif /* HAVE_FCHMOD */ |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 964 | error("Couldn't set mode on \"%s\": %s", local_path, |
Ben Lindstrom | 93576d9 | 2002-12-23 02:06:19 +0000 | [diff] [blame] | 965 | strerror(errno)); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 966 | if (pflag && (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME)) { |
| 967 | struct timeval tv[2]; |
| 968 | tv[0].tv_sec = a->atime; |
| 969 | tv[1].tv_sec = a->mtime; |
| 970 | tv[0].tv_usec = tv[1].tv_usec = 0; |
| 971 | if (utimes(local_path, tv) == -1) |
| 972 | error("Can't set times on \"%s\": %s", |
Ben Lindstrom | 93576d9 | 2002-12-23 02:06:19 +0000 | [diff] [blame] | 973 | local_path, strerror(errno)); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 974 | } |
Ben Lindstrom | 9d4f2c8 | 2001-02-15 03:22:45 +0000 | [diff] [blame] | 975 | } |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 976 | close(local_fd); |
| 977 | buffer_free(&msg); |
| 978 | xfree(handle); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 979 | |
| 980 | return(status); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 981 | } |
| 982 | |
| 983 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 984 | do_upload(struct sftp_conn *conn, char *local_path, char *remote_path, |
| 985 | int pflag) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 986 | { |
Damien Miller | 8829d36 | 2002-02-08 22:04:05 +1100 | [diff] [blame] | 987 | int local_fd, status; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 988 | u_int handle_len, id, type; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 989 | u_int64_t offset; |
Damien Miller | 8829d36 | 2002-02-08 22:04:05 +1100 | [diff] [blame] | 990 | char *handle, *data; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 991 | Buffer msg; |
| 992 | struct stat sb; |
| 993 | Attrib a; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 994 | u_int32_t startid; |
| 995 | u_int32_t ackid; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 996 | struct outstanding_ack { |
| 997 | u_int id; |
| 998 | u_int len; |
| 999 | u_int64_t offset; |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1000 | TAILQ_ENTRY(outstanding_ack) tq; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1001 | }; |
| 1002 | TAILQ_HEAD(ackhead, outstanding_ack) acks; |
Damien Miller | 7cf17eb | 2004-06-15 10:28:56 +1000 | [diff] [blame] | 1003 | struct outstanding_ack *ack = NULL; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1004 | |
| 1005 | TAILQ_INIT(&acks); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1006 | |
| 1007 | if ((local_fd = open(local_path, O_RDONLY, 0)) == -1) { |
| 1008 | error("Couldn't open local file \"%s\" for reading: %s", |
| 1009 | local_path, strerror(errno)); |
| 1010 | return(-1); |
| 1011 | } |
| 1012 | if (fstat(local_fd, &sb) == -1) { |
| 1013 | error("Couldn't fstat local file \"%s\": %s", |
| 1014 | local_path, strerror(errno)); |
| 1015 | close(local_fd); |
| 1016 | return(-1); |
| 1017 | } |
Damien Miller | 5fa01fd | 2003-01-14 22:24:47 +1100 | [diff] [blame] | 1018 | if (!S_ISREG(sb.st_mode)) { |
| 1019 | error("%s is not a regular file", local_path); |
| 1020 | close(local_fd); |
| 1021 | return(-1); |
| 1022 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1023 | stat_to_attrib(&sb, &a); |
| 1024 | |
| 1025 | a.flags &= ~SSH2_FILEXFER_ATTR_SIZE; |
| 1026 | a.flags &= ~SSH2_FILEXFER_ATTR_UIDGID; |
| 1027 | a.perm &= 0777; |
| 1028 | if (!pflag) |
| 1029 | a.flags &= ~SSH2_FILEXFER_ATTR_ACMODTIME; |
| 1030 | |
| 1031 | buffer_init(&msg); |
| 1032 | |
| 1033 | /* Send open request */ |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1034 | id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1035 | buffer_put_char(&msg, SSH2_FXP_OPEN); |
| 1036 | buffer_put_int(&msg, id); |
| 1037 | buffer_put_cstring(&msg, remote_path); |
| 1038 | buffer_put_int(&msg, SSH2_FXF_WRITE|SSH2_FXF_CREAT|SSH2_FXF_TRUNC); |
| 1039 | encode_attrib(&msg, &a); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1040 | send_msg(conn->fd_out, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1041 | 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] | 1042 | |
| 1043 | buffer_clear(&msg); |
| 1044 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1045 | handle = get_handle(conn->fd_in, id, &handle_len); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1046 | if (handle == NULL) { |
| 1047 | close(local_fd); |
| 1048 | buffer_free(&msg); |
| 1049 | return(-1); |
| 1050 | } |
| 1051 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1052 | startid = ackid = id + 1; |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1053 | data = xmalloc(conn->transfer_buflen); |
Damien Miller | 8829d36 | 2002-02-08 22:04:05 +1100 | [diff] [blame] | 1054 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1055 | /* Read from local and write to remote */ |
| 1056 | offset = 0; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1057 | if (showprogress) |
| 1058 | start_progress_meter(local_path, sb.st_size, &offset); |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1059 | |
Damien Miller | 9f0f5c6 | 2001-12-21 14:45:46 +1100 | [diff] [blame] | 1060 | for (;;) { |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1061 | int len; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1062 | |
| 1063 | /* |
Darren Tucker | fc95970 | 2004-07-17 16:12:08 +1000 | [diff] [blame] | 1064 | * Can't use atomicio here because it returns 0 on EOF, |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 1065 | * thus losing the last block of the file. |
Darren Tucker | fc95970 | 2004-07-17 16:12:08 +1000 | [diff] [blame] | 1066 | * Simulate an EOF on interrupt, allowing ACKs from the |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 1067 | * server to drain. |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1068 | */ |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 1069 | if (interrupted) |
| 1070 | len = 0; |
| 1071 | else do |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1072 | len = read(local_fd, data, conn->transfer_buflen); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1073 | while ((len == -1) && (errno == EINTR || errno == EAGAIN)); |
| 1074 | |
| 1075 | if (len == -1) |
| 1076 | fatal("Couldn't read from \"%s\": %s", local_path, |
| 1077 | strerror(errno)); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1078 | |
| 1079 | if (len != 0) { |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1080 | ack = xmalloc(sizeof(*ack)); |
| 1081 | ack->id = ++id; |
| 1082 | ack->offset = offset; |
| 1083 | ack->len = len; |
| 1084 | TAILQ_INSERT_TAIL(&acks, ack, tq); |
| 1085 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1086 | buffer_clear(&msg); |
| 1087 | buffer_put_char(&msg, SSH2_FXP_WRITE); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1088 | buffer_put_int(&msg, ack->id); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1089 | buffer_put_string(&msg, handle, handle_len); |
| 1090 | buffer_put_int64(&msg, offset); |
| 1091 | buffer_put_string(&msg, data, len); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1092 | send_msg(conn->fd_out, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1093 | debug3("Sent message SSH2_FXP_WRITE I:%u O:%llu S:%u", |
Ben Lindstrom | 93576d9 | 2002-12-23 02:06:19 +0000 | [diff] [blame] | 1094 | id, (unsigned long long)offset, len); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1095 | } else if (TAILQ_FIRST(&acks) == NULL) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1096 | break; |
| 1097 | |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1098 | if (ack == NULL) |
| 1099 | fatal("Unexpected ACK %u", id); |
| 1100 | |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1101 | if (id == startid || len == 0 || |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1102 | id - ackid >= conn->num_requests) { |
Ben Lindstrom | 5a6abda | 2002-06-09 19:41:48 +0000 | [diff] [blame] | 1103 | u_int r_id; |
Ben Lindstrom | 06e9515 | 2002-04-06 04:16:45 +0000 | [diff] [blame] | 1104 | |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1105 | buffer_clear(&msg); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1106 | get_msg(conn->fd_in, &msg); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1107 | type = buffer_get_char(&msg); |
Ben Lindstrom | 06e9515 | 2002-04-06 04:16:45 +0000 | [diff] [blame] | 1108 | r_id = buffer_get_int(&msg); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1109 | |
| 1110 | if (type != SSH2_FXP_STATUS) |
| 1111 | fatal("Expected SSH2_FXP_STATUS(%d) packet, " |
| 1112 | "got %d", SSH2_FXP_STATUS, type); |
| 1113 | |
| 1114 | status = buffer_get_int(&msg); |
| 1115 | debug3("SSH2_FXP_STATUS %d", status); |
| 1116 | |
| 1117 | /* Find the request in our queue */ |
Darren Tucker | 47eede7 | 2005-03-14 23:08:12 +1100 | [diff] [blame] | 1118 | for (ack = TAILQ_FIRST(&acks); |
Ben Lindstrom | 06e9515 | 2002-04-06 04:16:45 +0000 | [diff] [blame] | 1119 | ack != NULL && ack->id != r_id; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1120 | ack = TAILQ_NEXT(ack, tq)) |
| 1121 | ; |
| 1122 | if (ack == NULL) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1123 | fatal("Can't find request for ID %u", r_id); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1124 | TAILQ_REMOVE(&acks, ack, tq); |
| 1125 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1126 | if (status != SSH2_FX_OK) { |
| 1127 | error("Couldn't write to remote file \"%s\": %s", |
Ben Lindstrom | 93576d9 | 2002-12-23 02:06:19 +0000 | [diff] [blame] | 1128 | remote_path, fx2txt(status)); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1129 | do_close(conn, handle, handle_len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1130 | close(local_fd); |
Damien Miller | 0011138 | 2003-03-10 11:21:17 +1100 | [diff] [blame] | 1131 | xfree(data); |
| 1132 | xfree(ack); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1133 | goto done; |
| 1134 | } |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1135 | debug3("In write loop, ack for %u %u bytes at %llu", |
Damien Miller | 0dc1bef | 2005-07-17 17:22:45 +1000 | [diff] [blame] | 1136 | ack->id, ack->len, (unsigned long long)ack->offset); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1137 | ++ackid; |
Ben Lindstrom | eec16fc | 2002-07-04 00:06:15 +0000 | [diff] [blame] | 1138 | xfree(ack); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1139 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1140 | offset += len; |
| 1141 | } |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1142 | if (showprogress) |
| 1143 | stop_progress_meter(); |
Damien Miller | 8829d36 | 2002-02-08 22:04:05 +1100 | [diff] [blame] | 1144 | xfree(data); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1145 | |
| 1146 | if (close(local_fd) == -1) { |
| 1147 | error("Couldn't close local file \"%s\": %s", local_path, |
| 1148 | strerror(errno)); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1149 | do_close(conn, handle, handle_len); |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 1150 | status = -1; |
| 1151 | goto done; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1152 | } |
| 1153 | |
Ben Lindstrom | 9d4f2c8 | 2001-02-15 03:22:45 +0000 | [diff] [blame] | 1154 | /* Override umask and utimes if asked */ |
| 1155 | if (pflag) |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1156 | do_fsetstat(conn, handle, handle_len, &a); |
Ben Lindstrom | 9d4f2c8 | 2001-02-15 03:22:45 +0000 | [diff] [blame] | 1157 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1158 | status = do_close(conn, handle, handle_len); |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 1159 | |
| 1160 | done: |
| 1161 | xfree(handle); |
| 1162 | buffer_free(&msg); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1163 | return(status); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1164 | } |