Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame^] | 1 | /* $OpenBSD: sftp-client.c,v 1.88 2009/08/14 18:17:49 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 | 3997249 | 2006-07-12 22:22:46 +1000 | [diff] [blame] | 39 | #include <errno.h> |
Damien Miller | 57cf638 | 2006-07-10 21:13:46 +1000 | [diff] [blame] | 40 | #include <fcntl.h> |
| 41 | #include <signal.h> |
Damien Miller | d783435 | 2006-08-05 12:39:39 +1000 | [diff] [blame] | 42 | #include <stdarg.h> |
Damien Miller | a7a73ee | 2006-08-05 11:37:59 +1000 | [diff] [blame] | 43 | #include <stdio.h> |
Damien Miller | e3476ed | 2006-07-24 14:13:33 +1000 | [diff] [blame] | 44 | #include <string.h> |
Damien Miller | e6b3b61 | 2006-07-24 14:01:23 +1000 | [diff] [blame] | 45 | #include <unistd.h> |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 46 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 47 | #include "xmalloc.h" |
Damien Miller | d783435 | 2006-08-05 12:39:39 +1000 | [diff] [blame] | 48 | #include "buffer.h" |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 49 | #include "log.h" |
| 50 | #include "atomicio.h" |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 51 | #include "progressmeter.h" |
Damien Miller | 3f94188 | 2006-03-31 23:13:02 +1100 | [diff] [blame] | 52 | #include "misc.h" |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 53 | |
| 54 | #include "sftp.h" |
| 55 | #include "sftp-common.h" |
| 56 | #include "sftp-client.h" |
| 57 | |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 58 | extern volatile sig_atomic_t interrupted; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 59 | extern int showprogress; |
| 60 | |
Damien Miller | 0c8d8f6 | 2006-03-15 11:34:25 +1100 | [diff] [blame] | 61 | /* Minimum amount of data to read at a time */ |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 62 | #define MIN_READ_SIZE 512 |
| 63 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 64 | struct sftp_conn { |
| 65 | int fd_in; |
| 66 | int fd_out; |
| 67 | u_int transfer_buflen; |
| 68 | u_int num_requests; |
| 69 | u_int version; |
| 70 | u_int msg_id; |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 71 | #define SFTP_EXT_POSIX_RENAME 0x00000001 |
| 72 | #define SFTP_EXT_STATVFS 0x00000002 |
| 73 | #define SFTP_EXT_FSTATVFS 0x00000004 |
Damien Miller | 7a3e1d0 | 2008-03-27 10:59:57 +1100 | [diff] [blame] | 74 | u_int exts; |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 75 | }; |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 76 | |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame^] | 77 | static char * |
| 78 | get_handle(int fd, u_int expected_id, u_int *len, const char *errfmt, ...) |
| 79 | __attribute__((format(printf, 4, 5))); |
| 80 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 81 | static void |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 82 | send_msg(int fd, Buffer *m) |
| 83 | { |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 84 | u_char mlen[4]; |
Damien Miller | 58ca98b | 2006-04-23 12:06:35 +1000 | [diff] [blame] | 85 | struct iovec iov[2]; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 86 | |
Damien Miller | 5444618 | 2006-01-02 23:40:50 +1100 | [diff] [blame] | 87 | if (buffer_len(m) > SFTP_MAX_MSG_LENGTH) |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 88 | fatal("Outbound message too long %u", buffer_len(m)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 89 | |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 90 | /* Send length first */ |
Damien Miller | 3f94188 | 2006-03-31 23:13:02 +1100 | [diff] [blame] | 91 | put_u32(mlen, buffer_len(m)); |
Damien Miller | 58ca98b | 2006-04-23 12:06:35 +1000 | [diff] [blame] | 92 | iov[0].iov_base = mlen; |
| 93 | iov[0].iov_len = sizeof(mlen); |
| 94 | iov[1].iov_base = buffer_ptr(m); |
| 95 | iov[1].iov_len = buffer_len(m); |
Damien Miller | d783435 | 2006-08-05 12:39:39 +1000 | [diff] [blame] | 96 | |
Damien Miller | 58ca98b | 2006-04-23 12:06:35 +1000 | [diff] [blame] | 97 | if (atomiciov(writev, fd, iov, 2) != buffer_len(m) + sizeof(mlen)) |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 98 | fatal("Couldn't send packet: %s", strerror(errno)); |
| 99 | |
| 100 | buffer_clear(m); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 101 | } |
| 102 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 103 | static void |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 104 | get_msg(int fd, Buffer *m) |
| 105 | { |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 106 | u_int msg_len; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 107 | |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 108 | buffer_append_space(m, 4); |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 109 | if (atomicio(read, fd, buffer_ptr(m), 4) != 4) { |
| 110 | if (errno == EPIPE) |
| 111 | fatal("Connection closed"); |
| 112 | else |
| 113 | fatal("Couldn't read packet: %s", strerror(errno)); |
| 114 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 115 | |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 116 | msg_len = buffer_get_int(m); |
Damien Miller | 5444618 | 2006-01-02 23:40:50 +1100 | [diff] [blame] | 117 | if (msg_len > SFTP_MAX_MSG_LENGTH) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 118 | fatal("Received message too long %u", msg_len); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 119 | |
Damien Miller | a7f3aaa | 2003-01-10 21:43:58 +1100 | [diff] [blame] | 120 | buffer_append_space(m, msg_len); |
Damien Miller | b253cc4 | 2005-05-26 12:23:44 +1000 | [diff] [blame] | 121 | if (atomicio(read, fd, buffer_ptr(m), msg_len) != msg_len) { |
| 122 | if (errno == EPIPE) |
| 123 | fatal("Connection closed"); |
| 124 | else |
| 125 | fatal("Read packet: %s", strerror(errno)); |
| 126 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 127 | } |
| 128 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 129 | static void |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 130 | send_string_request(int fd, u_int id, u_int code, char *s, |
| 131 | u_int len) |
| 132 | { |
| 133 | Buffer msg; |
| 134 | |
| 135 | buffer_init(&msg); |
| 136 | buffer_put_char(&msg, code); |
| 137 | buffer_put_int(&msg, id); |
| 138 | buffer_put_string(&msg, s, len); |
| 139 | send_msg(fd, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 140 | debug3("Sent message fd %d T:%u I:%u", fd, code, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 141 | buffer_free(&msg); |
| 142 | } |
| 143 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 144 | static void |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 145 | send_string_attrs_request(int fd, u_int id, u_int code, char *s, |
| 146 | u_int len, Attrib *a) |
| 147 | { |
| 148 | Buffer msg; |
| 149 | |
| 150 | buffer_init(&msg); |
| 151 | buffer_put_char(&msg, code); |
| 152 | buffer_put_int(&msg, id); |
| 153 | buffer_put_string(&msg, s, len); |
| 154 | encode_attrib(&msg, a); |
| 155 | send_msg(fd, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 156 | debug3("Sent message fd %d T:%u I:%u", fd, code, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 157 | buffer_free(&msg); |
| 158 | } |
| 159 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 160 | static u_int |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 161 | get_status(int fd, u_int expected_id) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 162 | { |
| 163 | Buffer msg; |
| 164 | u_int type, id, status; |
| 165 | |
| 166 | buffer_init(&msg); |
| 167 | get_msg(fd, &msg); |
| 168 | type = buffer_get_char(&msg); |
| 169 | id = buffer_get_int(&msg); |
| 170 | |
| 171 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 172 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 173 | if (type != SSH2_FXP_STATUS) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 174 | fatal("Expected SSH2_FXP_STATUS(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 175 | SSH2_FXP_STATUS, type); |
| 176 | |
| 177 | status = buffer_get_int(&msg); |
| 178 | buffer_free(&msg); |
| 179 | |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 180 | debug3("SSH2_FXP_STATUS %u", status); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 181 | |
| 182 | return(status); |
| 183 | } |
| 184 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 185 | static char * |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame^] | 186 | get_handle(int fd, u_int expected_id, u_int *len, const char *errfmt, ...) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 187 | { |
| 188 | Buffer msg; |
| 189 | u_int type, id; |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame^] | 190 | char *handle, errmsg[256]; |
| 191 | va_list args; |
| 192 | int status; |
| 193 | |
| 194 | va_start(args, errfmt); |
| 195 | if (errfmt != NULL) |
| 196 | vsnprintf(errmsg, sizeof(errmsg), errfmt, args); |
| 197 | va_end(args); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 198 | |
| 199 | buffer_init(&msg); |
| 200 | get_msg(fd, &msg); |
| 201 | type = buffer_get_char(&msg); |
| 202 | id = buffer_get_int(&msg); |
| 203 | |
| 204 | if (id != expected_id) |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame^] | 205 | fatal("%s: ID mismatch (%u != %u)", |
| 206 | errfmt == NULL ? __func__ : errmsg, id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 207 | if (type == SSH2_FXP_STATUS) { |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame^] | 208 | status = buffer_get_int(&msg); |
| 209 | if (errfmt != NULL) |
| 210 | error("%s: %s", errmsg, fx2txt(status)); |
Darren Tucker | cd516ef | 2004-12-06 22:43:43 +1100 | [diff] [blame] | 211 | buffer_free(&msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 212 | return(NULL); |
| 213 | } else if (type != SSH2_FXP_HANDLE) |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame^] | 214 | fatal("%s: Expected SSH2_FXP_HANDLE(%u) packet, got %u", |
| 215 | errfmt == NULL ? __func__ : errmsg, SSH2_FXP_HANDLE, type); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 216 | |
| 217 | handle = buffer_get_string(&msg, len); |
| 218 | buffer_free(&msg); |
| 219 | |
| 220 | return(handle); |
| 221 | } |
| 222 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 223 | static Attrib * |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 224 | get_decode_stat(int fd, u_int expected_id, int quiet) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 225 | { |
| 226 | Buffer msg; |
| 227 | u_int type, id; |
| 228 | Attrib *a; |
| 229 | |
| 230 | buffer_init(&msg); |
| 231 | get_msg(fd, &msg); |
| 232 | |
| 233 | type = buffer_get_char(&msg); |
| 234 | id = buffer_get_int(&msg); |
| 235 | |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 236 | debug3("Received stat reply T:%u I:%u", type, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 237 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 238 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 239 | if (type == SSH2_FXP_STATUS) { |
| 240 | int status = buffer_get_int(&msg); |
| 241 | |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 242 | if (quiet) |
| 243 | debug("Couldn't stat remote file: %s", fx2txt(status)); |
| 244 | else |
| 245 | error("Couldn't stat remote file: %s", fx2txt(status)); |
Darren Tucker | cd516ef | 2004-12-06 22:43:43 +1100 | [diff] [blame] | 246 | buffer_free(&msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 247 | return(NULL); |
| 248 | } else if (type != SSH2_FXP_ATTRS) { |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 249 | fatal("Expected SSH2_FXP_ATTRS(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 250 | SSH2_FXP_ATTRS, type); |
| 251 | } |
| 252 | a = decode_attrib(&msg); |
| 253 | buffer_free(&msg); |
| 254 | |
| 255 | return(a); |
| 256 | } |
| 257 | |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 258 | static int |
Darren Tucker | 7b59889 | 2008-06-09 22:49:36 +1000 | [diff] [blame] | 259 | get_decode_statvfs(int fd, struct sftp_statvfs *st, u_int expected_id, |
| 260 | int quiet) |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 261 | { |
| 262 | Buffer msg; |
| 263 | u_int type, id, flag; |
| 264 | |
| 265 | buffer_init(&msg); |
| 266 | get_msg(fd, &msg); |
| 267 | |
| 268 | type = buffer_get_char(&msg); |
| 269 | id = buffer_get_int(&msg); |
| 270 | |
| 271 | debug3("Received statvfs reply T:%u I:%u", type, id); |
| 272 | if (id != expected_id) |
| 273 | fatal("ID mismatch (%u != %u)", id, expected_id); |
| 274 | if (type == SSH2_FXP_STATUS) { |
| 275 | int status = buffer_get_int(&msg); |
| 276 | |
| 277 | if (quiet) |
| 278 | debug("Couldn't statvfs: %s", fx2txt(status)); |
| 279 | else |
| 280 | error("Couldn't statvfs: %s", fx2txt(status)); |
| 281 | buffer_free(&msg); |
| 282 | return -1; |
| 283 | } else if (type != SSH2_FXP_EXTENDED_REPLY) { |
| 284 | fatal("Expected SSH2_FXP_EXTENDED_REPLY(%u) packet, got %u", |
| 285 | SSH2_FXP_EXTENDED_REPLY, type); |
| 286 | } |
| 287 | |
| 288 | bzero(st, sizeof(*st)); |
Darren Tucker | 7b59889 | 2008-06-09 22:49:36 +1000 | [diff] [blame] | 289 | st->f_bsize = buffer_get_int64(&msg); |
| 290 | st->f_frsize = buffer_get_int64(&msg); |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 291 | st->f_blocks = buffer_get_int64(&msg); |
| 292 | st->f_bfree = buffer_get_int64(&msg); |
| 293 | st->f_bavail = buffer_get_int64(&msg); |
| 294 | st->f_files = buffer_get_int64(&msg); |
| 295 | st->f_ffree = buffer_get_int64(&msg); |
| 296 | st->f_favail = buffer_get_int64(&msg); |
Darren Tucker | 294b841 | 2008-06-08 12:57:08 +1000 | [diff] [blame] | 297 | st->f_fsid = buffer_get_int64(&msg); |
Darren Tucker | 7b59889 | 2008-06-09 22:49:36 +1000 | [diff] [blame] | 298 | flag = buffer_get_int64(&msg); |
| 299 | st->f_namemax = buffer_get_int64(&msg); |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 300 | |
| 301 | st->f_flag = (flag & SSH2_FXE_STATVFS_ST_RDONLY) ? ST_RDONLY : 0; |
| 302 | st->f_flag |= (flag & SSH2_FXE_STATVFS_ST_NOSUID) ? ST_NOSUID : 0; |
| 303 | |
| 304 | buffer_free(&msg); |
| 305 | |
| 306 | return 0; |
| 307 | } |
| 308 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 309 | struct sftp_conn * |
| 310 | 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] | 311 | { |
Damien Miller | 7a3e1d0 | 2008-03-27 10:59:57 +1100 | [diff] [blame] | 312 | u_int type, exts = 0; |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 313 | int version; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 314 | Buffer msg; |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 315 | struct sftp_conn *ret; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 316 | |
| 317 | buffer_init(&msg); |
| 318 | buffer_put_char(&msg, SSH2_FXP_INIT); |
| 319 | buffer_put_int(&msg, SSH2_FILEXFER_VERSION); |
| 320 | send_msg(fd_out, &msg); |
| 321 | |
| 322 | buffer_clear(&msg); |
| 323 | |
| 324 | get_msg(fd_in, &msg); |
| 325 | |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 326 | /* Expecting a VERSION reply */ |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 327 | if ((type = buffer_get_char(&msg)) != SSH2_FXP_VERSION) { |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 328 | error("Invalid packet back from SSH2_FXP_INIT (type %u)", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 329 | type); |
| 330 | buffer_free(&msg); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 331 | return(NULL); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 332 | } |
| 333 | version = buffer_get_int(&msg); |
| 334 | |
| 335 | debug2("Remote version: %d", version); |
| 336 | |
| 337 | /* Check for extensions */ |
| 338 | while (buffer_len(&msg) > 0) { |
| 339 | char *name = buffer_get_string(&msg, NULL); |
| 340 | char *value = buffer_get_string(&msg, NULL); |
Darren Tucker | a64ab33 | 2008-06-13 07:01:29 +1000 | [diff] [blame] | 341 | int known = 0; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 342 | |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 343 | if (strcmp(name, "posix-rename@openssh.com") == 0 && |
Darren Tucker | a64ab33 | 2008-06-13 07:01:29 +1000 | [diff] [blame] | 344 | strcmp(value, "1") == 0) { |
Damien Miller | 7a3e1d0 | 2008-03-27 10:59:57 +1100 | [diff] [blame] | 345 | exts |= SFTP_EXT_POSIX_RENAME; |
Darren Tucker | a64ab33 | 2008-06-13 07:01:29 +1000 | [diff] [blame] | 346 | known = 1; |
| 347 | } else if (strcmp(name, "statvfs@openssh.com") == 0 && |
| 348 | strcmp(value, "2") == 0) { |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 349 | exts |= SFTP_EXT_STATVFS; |
Darren Tucker | a64ab33 | 2008-06-13 07:01:29 +1000 | [diff] [blame] | 350 | known = 1; |
| 351 | } if (strcmp(name, "fstatvfs@openssh.com") == 0 && |
| 352 | strcmp(value, "2") == 0) { |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 353 | exts |= SFTP_EXT_FSTATVFS; |
Darren Tucker | a64ab33 | 2008-06-13 07:01:29 +1000 | [diff] [blame] | 354 | known = 1; |
| 355 | } |
| 356 | if (known) { |
| 357 | debug2("Server supports extension \"%s\" revision %s", |
| 358 | name, value); |
| 359 | } else { |
| 360 | debug2("Unrecognised server extension \"%s\"", name); |
| 361 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 362 | xfree(name); |
| 363 | xfree(value); |
| 364 | } |
| 365 | |
| 366 | buffer_free(&msg); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 367 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 368 | ret = xmalloc(sizeof(*ret)); |
| 369 | ret->fd_in = fd_in; |
| 370 | ret->fd_out = fd_out; |
| 371 | ret->transfer_buflen = transfer_buflen; |
| 372 | ret->num_requests = num_requests; |
| 373 | ret->version = version; |
| 374 | ret->msg_id = 1; |
Damien Miller | 7a3e1d0 | 2008-03-27 10:59:57 +1100 | [diff] [blame] | 375 | ret->exts = exts; |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 376 | |
| 377 | /* Some filexfer v.0 servers don't support large packets */ |
| 378 | if (version == 0) |
Ben Lindstrom | a1d8114 | 2002-04-02 20:58:11 +0000 | [diff] [blame] | 379 | ret->transfer_buflen = MIN(ret->transfer_buflen, 20480); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 380 | |
| 381 | return(ret); |
| 382 | } |
| 383 | |
| 384 | u_int |
| 385 | sftp_proto_version(struct sftp_conn *conn) |
| 386 | { |
| 387 | return(conn->version); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 388 | } |
| 389 | |
| 390 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 391 | do_close(struct sftp_conn *conn, char *handle, u_int handle_len) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 392 | { |
| 393 | u_int id, status; |
| 394 | Buffer msg; |
| 395 | |
| 396 | buffer_init(&msg); |
| 397 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 398 | id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 399 | buffer_put_char(&msg, SSH2_FXP_CLOSE); |
| 400 | buffer_put_int(&msg, id); |
| 401 | buffer_put_string(&msg, handle, handle_len); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 402 | send_msg(conn->fd_out, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 403 | debug3("Sent message SSH2_FXP_CLOSE I:%u", id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 404 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 405 | status = get_status(conn->fd_in, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 406 | if (status != SSH2_FX_OK) |
| 407 | error("Couldn't close file: %s", fx2txt(status)); |
| 408 | |
| 409 | buffer_free(&msg); |
| 410 | |
| 411 | return(status); |
| 412 | } |
| 413 | |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 414 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 415 | static int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 416 | do_lsreaddir(struct sftp_conn *conn, char *path, int printflag, |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 417 | SFTP_DIRENT ***dir) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 418 | { |
| 419 | Buffer msg; |
Damien Miller | eccb9de | 2005-06-17 12:59:34 +1000 | [diff] [blame] | 420 | u_int count, type, id, handle_len, i, expected_id, ents = 0; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 421 | char *handle; |
| 422 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 423 | id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 424 | |
| 425 | buffer_init(&msg); |
| 426 | buffer_put_char(&msg, SSH2_FXP_OPENDIR); |
| 427 | buffer_put_int(&msg, id); |
| 428 | buffer_put_cstring(&msg, path); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 429 | send_msg(conn->fd_out, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 430 | |
| 431 | buffer_clear(&msg); |
| 432 | |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame^] | 433 | handle = get_handle(conn->fd_in, id, &handle_len, |
| 434 | "remote readdir(\"%s\")", path); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 435 | if (handle == NULL) |
| 436 | return(-1); |
| 437 | |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 438 | if (dir) { |
| 439 | ents = 0; |
| 440 | *dir = xmalloc(sizeof(**dir)); |
| 441 | (*dir)[0] = NULL; |
| 442 | } |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 443 | |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 444 | for (; !interrupted;) { |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 445 | id = expected_id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 446 | |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 447 | debug3("Sending SSH2_FXP_READDIR I:%u", id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 448 | |
| 449 | buffer_clear(&msg); |
| 450 | buffer_put_char(&msg, SSH2_FXP_READDIR); |
| 451 | buffer_put_int(&msg, id); |
| 452 | buffer_put_string(&msg, handle, handle_len); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 453 | send_msg(conn->fd_out, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 454 | |
| 455 | buffer_clear(&msg); |
| 456 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 457 | get_msg(conn->fd_in, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 458 | |
| 459 | type = buffer_get_char(&msg); |
| 460 | id = buffer_get_int(&msg); |
| 461 | |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 462 | debug3("Received reply T:%u I:%u", type, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 463 | |
| 464 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 465 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 466 | |
| 467 | if (type == SSH2_FXP_STATUS) { |
| 468 | int status = buffer_get_int(&msg); |
| 469 | |
| 470 | debug3("Received SSH2_FXP_STATUS %d", status); |
| 471 | |
| 472 | if (status == SSH2_FX_EOF) { |
| 473 | break; |
| 474 | } else { |
| 475 | error("Couldn't read directory: %s", |
| 476 | fx2txt(status)); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 477 | do_close(conn, handle, handle_len); |
Damien Miller | 0011138 | 2003-03-10 11:21:17 +1100 | [diff] [blame] | 478 | xfree(handle); |
Ben Lindstrom | 10ac33f | 2001-02-10 21:53:40 +0000 | [diff] [blame] | 479 | return(status); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 480 | } |
| 481 | } else if (type != SSH2_FXP_NAME) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 482 | fatal("Expected SSH2_FXP_NAME(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 483 | SSH2_FXP_NAME, type); |
| 484 | |
| 485 | count = buffer_get_int(&msg); |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 486 | if (count == 0) |
| 487 | break; |
| 488 | debug3("Received %d SSH2_FXP_NAME responses", count); |
Damien Miller | 9f0f5c6 | 2001-12-21 14:45:46 +1100 | [diff] [blame] | 489 | for (i = 0; i < count; i++) { |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 490 | char *filename, *longname; |
| 491 | Attrib *a; |
| 492 | |
| 493 | filename = buffer_get_string(&msg, NULL); |
| 494 | longname = buffer_get_string(&msg, NULL); |
| 495 | a = decode_attrib(&msg); |
| 496 | |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 497 | if (printflag) |
| 498 | printf("%s\n", longname); |
| 499 | |
| 500 | if (dir) { |
Damien Miller | 3681209 | 2006-03-26 14:22:47 +1100 | [diff] [blame] | 501 | *dir = xrealloc(*dir, ents + 2, sizeof(**dir)); |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 502 | (*dir)[ents] = xmalloc(sizeof(***dir)); |
| 503 | (*dir)[ents]->filename = xstrdup(filename); |
| 504 | (*dir)[ents]->longname = xstrdup(longname); |
| 505 | memcpy(&(*dir)[ents]->a, a, sizeof(*a)); |
| 506 | (*dir)[++ents] = NULL; |
| 507 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 508 | |
| 509 | xfree(filename); |
| 510 | xfree(longname); |
| 511 | } |
| 512 | } |
| 513 | |
| 514 | buffer_free(&msg); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 515 | do_close(conn, handle, handle_len); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 516 | xfree(handle); |
| 517 | |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 518 | /* Don't return partial matches on interrupt */ |
| 519 | if (interrupted && dir != NULL && *dir != NULL) { |
| 520 | free_sftp_dirents(*dir); |
| 521 | *dir = xmalloc(sizeof(**dir)); |
| 522 | **dir = NULL; |
| 523 | } |
| 524 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 525 | return(0); |
| 526 | } |
| 527 | |
| 528 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 529 | do_readdir(struct sftp_conn *conn, char *path, SFTP_DIRENT ***dir) |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 530 | { |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 531 | return(do_lsreaddir(conn, path, 0, dir)); |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 532 | } |
| 533 | |
| 534 | void free_sftp_dirents(SFTP_DIRENT **s) |
| 535 | { |
| 536 | int i; |
Damien Miller | 9f0f5c6 | 2001-12-21 14:45:46 +1100 | [diff] [blame] | 537 | |
| 538 | for (i = 0; s[i]; i++) { |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 539 | xfree(s[i]->filename); |
| 540 | xfree(s[i]->longname); |
| 541 | xfree(s[i]); |
| 542 | } |
| 543 | xfree(s); |
| 544 | } |
| 545 | |
| 546 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 547 | do_rm(struct sftp_conn *conn, char *path) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 548 | { |
| 549 | u_int status, id; |
| 550 | |
| 551 | debug2("Sending SSH2_FXP_REMOVE \"%s\"", path); |
| 552 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 553 | id = conn->msg_id++; |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 554 | send_string_request(conn->fd_out, id, SSH2_FXP_REMOVE, path, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 555 | strlen(path)); |
| 556 | status = get_status(conn->fd_in, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 557 | if (status != SSH2_FX_OK) |
| 558 | error("Couldn't delete file: %s", fx2txt(status)); |
| 559 | return(status); |
| 560 | } |
| 561 | |
| 562 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 563 | do_mkdir(struct sftp_conn *conn, char *path, Attrib *a) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 564 | { |
| 565 | u_int status, id; |
| 566 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 567 | id = conn->msg_id++; |
| 568 | send_string_attrs_request(conn->fd_out, id, SSH2_FXP_MKDIR, path, |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 569 | strlen(path), a); |
| 570 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 571 | status = get_status(conn->fd_in, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 572 | if (status != SSH2_FX_OK) |
| 573 | error("Couldn't create directory: %s", fx2txt(status)); |
| 574 | |
| 575 | return(status); |
| 576 | } |
| 577 | |
| 578 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 579 | do_rmdir(struct sftp_conn *conn, char *path) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 580 | { |
| 581 | u_int status, id; |
| 582 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 583 | id = conn->msg_id++; |
| 584 | send_string_request(conn->fd_out, id, SSH2_FXP_RMDIR, path, |
| 585 | strlen(path)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 586 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 587 | status = get_status(conn->fd_in, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 588 | if (status != SSH2_FX_OK) |
| 589 | error("Couldn't remove directory: %s", fx2txt(status)); |
| 590 | |
| 591 | return(status); |
| 592 | } |
| 593 | |
| 594 | Attrib * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 595 | do_stat(struct sftp_conn *conn, char *path, int quiet) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 596 | { |
| 597 | u_int id; |
| 598 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 599 | id = conn->msg_id++; |
| 600 | |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 601 | send_string_request(conn->fd_out, id, |
| 602 | conn->version == 0 ? SSH2_FXP_STAT_VERSION_0 : SSH2_FXP_STAT, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 603 | path, strlen(path)); |
| 604 | |
| 605 | return(get_decode_stat(conn->fd_in, id, quiet)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 606 | } |
| 607 | |
| 608 | Attrib * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 609 | do_lstat(struct sftp_conn *conn, char *path, int quiet) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 610 | { |
| 611 | u_int id; |
| 612 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 613 | if (conn->version == 0) { |
| 614 | if (quiet) |
| 615 | debug("Server version does not support lstat operation"); |
| 616 | else |
Damien Miller | 996acd2 | 2003-04-09 20:59:48 +1000 | [diff] [blame] | 617 | logit("Server version does not support lstat operation"); |
Ben Lindstrom | f26ff5b | 2002-04-02 21:00:31 +0000 | [diff] [blame] | 618 | return(do_stat(conn, path, quiet)); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 619 | } |
| 620 | |
| 621 | id = conn->msg_id++; |
| 622 | send_string_request(conn->fd_out, id, SSH2_FXP_LSTAT, path, |
| 623 | strlen(path)); |
| 624 | |
| 625 | return(get_decode_stat(conn->fd_in, id, quiet)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 626 | } |
| 627 | |
Damien Miller | cfe23d3 | 2008-02-10 22:20:44 +1100 | [diff] [blame] | 628 | #ifdef notyet |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 629 | Attrib * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 630 | 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] | 631 | { |
| 632 | u_int id; |
| 633 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 634 | id = conn->msg_id++; |
| 635 | send_string_request(conn->fd_out, id, SSH2_FXP_FSTAT, handle, |
| 636 | handle_len); |
| 637 | |
| 638 | return(get_decode_stat(conn->fd_in, id, quiet)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 639 | } |
Damien Miller | cfe23d3 | 2008-02-10 22:20:44 +1100 | [diff] [blame] | 640 | #endif |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 641 | |
| 642 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 643 | do_setstat(struct sftp_conn *conn, char *path, Attrib *a) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 644 | { |
| 645 | u_int status, id; |
| 646 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 647 | id = conn->msg_id++; |
| 648 | send_string_attrs_request(conn->fd_out, id, SSH2_FXP_SETSTAT, path, |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 649 | strlen(path), a); |
| 650 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 651 | status = get_status(conn->fd_in, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 652 | if (status != SSH2_FX_OK) |
| 653 | error("Couldn't setstat on \"%s\": %s", path, |
| 654 | fx2txt(status)); |
| 655 | |
| 656 | return(status); |
| 657 | } |
| 658 | |
| 659 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 660 | do_fsetstat(struct sftp_conn *conn, char *handle, u_int handle_len, |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 661 | Attrib *a) |
| 662 | { |
| 663 | u_int status, id; |
| 664 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 665 | id = conn->msg_id++; |
| 666 | send_string_attrs_request(conn->fd_out, id, SSH2_FXP_FSETSTAT, handle, |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 667 | handle_len, a); |
| 668 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 669 | status = get_status(conn->fd_in, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 670 | if (status != SSH2_FX_OK) |
| 671 | error("Couldn't fsetstat: %s", fx2txt(status)); |
| 672 | |
| 673 | return(status); |
| 674 | } |
| 675 | |
| 676 | char * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 677 | do_realpath(struct sftp_conn *conn, char *path) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 678 | { |
| 679 | Buffer msg; |
| 680 | u_int type, expected_id, count, id; |
| 681 | char *filename, *longname; |
| 682 | Attrib *a; |
| 683 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 684 | expected_id = id = conn->msg_id++; |
| 685 | send_string_request(conn->fd_out, id, SSH2_FXP_REALPATH, path, |
| 686 | strlen(path)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 687 | |
| 688 | buffer_init(&msg); |
| 689 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 690 | get_msg(conn->fd_in, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 691 | type = buffer_get_char(&msg); |
| 692 | id = buffer_get_int(&msg); |
| 693 | |
| 694 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 695 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 696 | |
| 697 | if (type == SSH2_FXP_STATUS) { |
| 698 | u_int status = buffer_get_int(&msg); |
| 699 | |
| 700 | error("Couldn't canonicalise: %s", fx2txt(status)); |
| 701 | return(NULL); |
| 702 | } else if (type != SSH2_FXP_NAME) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 703 | fatal("Expected SSH2_FXP_NAME(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 704 | SSH2_FXP_NAME, type); |
| 705 | |
| 706 | count = buffer_get_int(&msg); |
| 707 | if (count != 1) |
| 708 | fatal("Got multiple names (%d) from SSH_FXP_REALPATH", count); |
| 709 | |
| 710 | filename = buffer_get_string(&msg, NULL); |
| 711 | longname = buffer_get_string(&msg, NULL); |
| 712 | a = decode_attrib(&msg); |
| 713 | |
| 714 | debug3("SSH_FXP_REALPATH %s -> %s", path, filename); |
| 715 | |
| 716 | xfree(longname); |
| 717 | |
| 718 | buffer_free(&msg); |
| 719 | |
| 720 | return(filename); |
| 721 | } |
| 722 | |
| 723 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 724 | do_rename(struct sftp_conn *conn, char *oldpath, char *newpath) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 725 | { |
| 726 | Buffer msg; |
| 727 | u_int status, id; |
| 728 | |
| 729 | buffer_init(&msg); |
| 730 | |
| 731 | /* Send rename request */ |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 732 | id = conn->msg_id++; |
Damien Miller | 7a3e1d0 | 2008-03-27 10:59:57 +1100 | [diff] [blame] | 733 | if ((conn->exts & SFTP_EXT_POSIX_RENAME)) { |
| 734 | buffer_put_char(&msg, SSH2_FXP_EXTENDED); |
| 735 | buffer_put_int(&msg, id); |
| 736 | buffer_put_cstring(&msg, "posix-rename@openssh.com"); |
| 737 | } else { |
| 738 | buffer_put_char(&msg, SSH2_FXP_RENAME); |
| 739 | buffer_put_int(&msg, id); |
| 740 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 741 | buffer_put_cstring(&msg, oldpath); |
| 742 | buffer_put_cstring(&msg, newpath); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 743 | send_msg(conn->fd_out, &msg); |
Damien Miller | 7a3e1d0 | 2008-03-27 10:59:57 +1100 | [diff] [blame] | 744 | debug3("Sent message %s \"%s\" -> \"%s\"", |
| 745 | (conn->exts & SFTP_EXT_POSIX_RENAME) ? "posix-rename@openssh.com" : |
| 746 | "SSH2_FXP_RENAME", oldpath, newpath); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 747 | buffer_free(&msg); |
| 748 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 749 | status = get_status(conn->fd_in, id); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 750 | if (status != SSH2_FX_OK) |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 751 | error("Couldn't rename file \"%s\" to \"%s\": %s", oldpath, |
| 752 | newpath, fx2txt(status)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 753 | |
| 754 | return(status); |
| 755 | } |
| 756 | |
| 757 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 758 | do_symlink(struct sftp_conn *conn, char *oldpath, char *newpath) |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 759 | { |
| 760 | Buffer msg; |
| 761 | u_int status, id; |
| 762 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 763 | if (conn->version < 3) { |
| 764 | error("This server does not support the symlink operation"); |
| 765 | return(SSH2_FX_OP_UNSUPPORTED); |
| 766 | } |
| 767 | |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 768 | buffer_init(&msg); |
| 769 | |
Darren Tucker | dca6a4d | 2004-04-19 22:10:52 +1000 | [diff] [blame] | 770 | /* Send symlink request */ |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 771 | id = conn->msg_id++; |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 772 | buffer_put_char(&msg, SSH2_FXP_SYMLINK); |
| 773 | buffer_put_int(&msg, id); |
| 774 | buffer_put_cstring(&msg, oldpath); |
| 775 | buffer_put_cstring(&msg, newpath); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 776 | send_msg(conn->fd_out, &msg); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 777 | debug3("Sent message SSH2_FXP_SYMLINK \"%s\" -> \"%s\"", oldpath, |
| 778 | newpath); |
| 779 | buffer_free(&msg); |
| 780 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 781 | status = get_status(conn->fd_in, id); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 782 | if (status != SSH2_FX_OK) |
Ben Lindstrom | 8e879cf | 2002-11-09 15:48:49 +0000 | [diff] [blame] | 783 | error("Couldn't symlink file \"%s\" to \"%s\": %s", oldpath, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 784 | newpath, fx2txt(status)); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 785 | |
| 786 | return(status); |
| 787 | } |
| 788 | |
Damien Miller | cfe23d3 | 2008-02-10 22:20:44 +1100 | [diff] [blame] | 789 | #ifdef notyet |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 790 | char * |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 791 | do_readlink(struct sftp_conn *conn, char *path) |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 792 | { |
| 793 | Buffer msg; |
| 794 | u_int type, expected_id, count, id; |
| 795 | char *filename, *longname; |
| 796 | Attrib *a; |
| 797 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 798 | expected_id = id = conn->msg_id++; |
| 799 | send_string_request(conn->fd_out, id, SSH2_FXP_READLINK, path, |
| 800 | strlen(path)); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 801 | |
| 802 | buffer_init(&msg); |
| 803 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 804 | get_msg(conn->fd_in, &msg); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 805 | type = buffer_get_char(&msg); |
| 806 | id = buffer_get_int(&msg); |
| 807 | |
| 808 | if (id != expected_id) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 809 | fatal("ID mismatch (%u != %u)", id, expected_id); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 810 | |
| 811 | if (type == SSH2_FXP_STATUS) { |
| 812 | u_int status = buffer_get_int(&msg); |
| 813 | |
| 814 | error("Couldn't readlink: %s", fx2txt(status)); |
| 815 | return(NULL); |
| 816 | } else if (type != SSH2_FXP_NAME) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 817 | fatal("Expected SSH2_FXP_NAME(%u) packet, got %u", |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 818 | SSH2_FXP_NAME, type); |
| 819 | |
| 820 | count = buffer_get_int(&msg); |
| 821 | if (count != 1) |
| 822 | fatal("Got multiple names (%d) from SSH_FXP_READLINK", count); |
| 823 | |
| 824 | filename = buffer_get_string(&msg, NULL); |
| 825 | longname = buffer_get_string(&msg, NULL); |
| 826 | a = decode_attrib(&msg); |
| 827 | |
| 828 | debug3("SSH_FXP_READLINK %s -> %s", path, filename); |
| 829 | |
| 830 | xfree(longname); |
| 831 | |
| 832 | buffer_free(&msg); |
| 833 | |
| 834 | return(filename); |
| 835 | } |
Damien Miller | cfe23d3 | 2008-02-10 22:20:44 +1100 | [diff] [blame] | 836 | #endif |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 837 | |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 838 | int |
Darren Tucker | 7b59889 | 2008-06-09 22:49:36 +1000 | [diff] [blame] | 839 | 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] | 840 | int quiet) |
| 841 | { |
| 842 | Buffer msg; |
| 843 | u_int id; |
| 844 | |
| 845 | if ((conn->exts & SFTP_EXT_STATVFS) == 0) { |
| 846 | error("Server does not support statvfs@openssh.com extension"); |
| 847 | return -1; |
| 848 | } |
| 849 | |
| 850 | id = conn->msg_id++; |
| 851 | |
| 852 | buffer_init(&msg); |
| 853 | buffer_clear(&msg); |
| 854 | buffer_put_char(&msg, SSH2_FXP_EXTENDED); |
| 855 | buffer_put_int(&msg, id); |
| 856 | buffer_put_cstring(&msg, "statvfs@openssh.com"); |
| 857 | buffer_put_cstring(&msg, path); |
| 858 | send_msg(conn->fd_out, &msg); |
| 859 | buffer_free(&msg); |
| 860 | |
| 861 | return get_decode_statvfs(conn->fd_in, st, id, quiet); |
| 862 | } |
| 863 | |
| 864 | #ifdef notyet |
| 865 | int |
| 866 | 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] | 867 | struct sftp_statvfs *st, int quiet) |
Damien Miller | d671e5a | 2008-05-19 14:53:33 +1000 | [diff] [blame] | 868 | { |
| 869 | Buffer msg; |
| 870 | u_int id; |
| 871 | |
| 872 | if ((conn->exts & SFTP_EXT_FSTATVFS) == 0) { |
| 873 | error("Server does not support fstatvfs@openssh.com extension"); |
| 874 | return -1; |
| 875 | } |
| 876 | |
| 877 | id = conn->msg_id++; |
| 878 | |
| 879 | buffer_init(&msg); |
| 880 | buffer_clear(&msg); |
| 881 | buffer_put_char(&msg, SSH2_FXP_EXTENDED); |
| 882 | buffer_put_int(&msg, id); |
| 883 | buffer_put_cstring(&msg, "fstatvfs@openssh.com"); |
| 884 | buffer_put_string(&msg, handle, handle_len); |
| 885 | send_msg(conn->fd_out, &msg); |
| 886 | buffer_free(&msg); |
| 887 | |
| 888 | return get_decode_statvfs(conn->fd_in, st, id, quiet); |
| 889 | } |
| 890 | #endif |
| 891 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 892 | static void |
| 893 | send_read_request(int fd_out, u_int id, u_int64_t offset, u_int len, |
| 894 | char *handle, u_int handle_len) |
| 895 | { |
| 896 | Buffer msg; |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 897 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 898 | buffer_init(&msg); |
| 899 | buffer_clear(&msg); |
| 900 | buffer_put_char(&msg, SSH2_FXP_READ); |
| 901 | buffer_put_int(&msg, id); |
| 902 | buffer_put_string(&msg, handle, handle_len); |
| 903 | buffer_put_int64(&msg, offset); |
| 904 | buffer_put_int(&msg, len); |
| 905 | send_msg(fd_out, &msg); |
| 906 | buffer_free(&msg); |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 907 | } |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 908 | |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 909 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 910 | do_download(struct sftp_conn *conn, char *remote_path, char *local_path, |
| 911 | int pflag) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 912 | { |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 913 | Attrib junk, *a; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 914 | Buffer msg; |
| 915 | char *handle; |
Darren Tucker | 4085853 | 2005-08-02 17:07:07 +1000 | [diff] [blame] | 916 | int local_fd, status = 0, write_error; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 917 | int read_error, write_errno; |
| 918 | u_int64_t offset, size; |
Damien Miller | eccb9de | 2005-06-17 12:59:34 +1000 | [diff] [blame] | 919 | u_int handle_len, mode, type, id, buflen, num_req, max_req; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 920 | off_t progress_counter; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 921 | struct request { |
| 922 | u_int id; |
| 923 | u_int len; |
| 924 | u_int64_t offset; |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 925 | TAILQ_ENTRY(request) tq; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 926 | }; |
| 927 | TAILQ_HEAD(reqhead, request) requests; |
| 928 | struct request *req; |
| 929 | |
| 930 | TAILQ_INIT(&requests); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 931 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 932 | a = do_stat(conn, remote_path, 0); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 933 | if (a == NULL) |
| 934 | return(-1); |
| 935 | |
Damien Miller | 9e72028 | 2008-06-29 22:46:35 +1000 | [diff] [blame] | 936 | /* 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] | 937 | if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) |
Damien Miller | 770b374 | 2003-01-08 14:04:53 +1100 | [diff] [blame] | 938 | mode = a->perm & 0777; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 939 | else |
| 940 | mode = 0666; |
| 941 | |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 942 | if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && |
Damien Miller | 5fa01fd | 2003-01-14 22:24:47 +1100 | [diff] [blame] | 943 | (!S_ISREG(a->perm))) { |
| 944 | error("Cannot download non-regular file: %s", remote_path); |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 945 | return(-1); |
| 946 | } |
| 947 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 948 | if (a->flags & SSH2_FILEXFER_ATTR_SIZE) |
| 949 | size = a->size; |
| 950 | else |
| 951 | size = 0; |
| 952 | |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 953 | buflen = conn->transfer_buflen; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 954 | buffer_init(&msg); |
| 955 | |
| 956 | /* Send open request */ |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 957 | id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 958 | buffer_put_char(&msg, SSH2_FXP_OPEN); |
| 959 | buffer_put_int(&msg, id); |
| 960 | buffer_put_cstring(&msg, remote_path); |
| 961 | buffer_put_int(&msg, SSH2_FXF_READ); |
| 962 | attrib_clear(&junk); /* Send empty attributes */ |
| 963 | encode_attrib(&msg, &junk); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 964 | send_msg(conn->fd_out, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 965 | 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] | 966 | |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame^] | 967 | handle = get_handle(conn->fd_in, id, &handle_len, |
| 968 | "remote open(\"%s\")", remote_path); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 969 | if (handle == NULL) { |
| 970 | buffer_free(&msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 971 | return(-1); |
| 972 | } |
| 973 | |
Damien Miller | a8e06ce | 2003-11-21 23:48:55 +1100 | [diff] [blame] | 974 | local_fd = open(local_path, O_WRONLY | O_CREAT | O_TRUNC, |
Damien Miller | 770b374 | 2003-01-08 14:04:53 +1100 | [diff] [blame] | 975 | mode | S_IWRITE); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 976 | if (local_fd == -1) { |
| 977 | error("Couldn't open local file \"%s\" for writing: %s", |
| 978 | local_path, strerror(errno)); |
Damien Miller | 6b0c818 | 2008-02-10 22:23:41 +1100 | [diff] [blame] | 979 | do_close(conn, handle, handle_len); |
Ben Lindstrom | 021fcd3 | 2002-02-26 18:02:43 +0000 | [diff] [blame] | 980 | buffer_free(&msg); |
| 981 | xfree(handle); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 982 | return(-1); |
| 983 | } |
| 984 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 985 | /* Read from remote and write to local */ |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 986 | write_error = read_error = write_errno = num_req = offset = 0; |
| 987 | max_req = 1; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 988 | progress_counter = 0; |
| 989 | |
Damien Miller | 9ba3069 | 2004-03-08 23:12:02 +1100 | [diff] [blame] | 990 | if (showprogress && size != 0) |
| 991 | start_progress_meter(remote_path, size, &progress_counter); |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 992 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 993 | while (num_req > 0 || max_req > 0) { |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 994 | char *data; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 995 | u_int len; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 996 | |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 997 | /* |
Darren Tucker | fc95970 | 2004-07-17 16:12:08 +1000 | [diff] [blame] | 998 | * Simulate EOF on interrupt: stop sending new requests and |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 999 | * allow outstanding requests to drain gracefully |
| 1000 | */ |
| 1001 | if (interrupted) { |
| 1002 | if (num_req == 0) /* If we haven't started yet... */ |
| 1003 | break; |
| 1004 | max_req = 0; |
| 1005 | } |
| 1006 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1007 | /* Send some more requests */ |
| 1008 | while (num_req < max_req) { |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1009 | debug3("Request range %llu -> %llu (%d/%d)", |
Ben Lindstrom | d45f28c | 2002-03-22 01:00:57 +0000 | [diff] [blame] | 1010 | (unsigned long long)offset, |
| 1011 | (unsigned long long)offset + buflen - 1, |
| 1012 | num_req, max_req); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1013 | req = xmalloc(sizeof(*req)); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1014 | req->id = conn->msg_id++; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1015 | req->len = buflen; |
| 1016 | req->offset = offset; |
| 1017 | offset += buflen; |
| 1018 | num_req++; |
| 1019 | TAILQ_INSERT_TAIL(&requests, req, tq); |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1020 | send_read_request(conn->fd_out, req->id, req->offset, |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1021 | req->len, handle, handle_len); |
| 1022 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1023 | |
| 1024 | buffer_clear(&msg); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1025 | get_msg(conn->fd_in, &msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1026 | type = buffer_get_char(&msg); |
| 1027 | id = buffer_get_int(&msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1028 | 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] | 1029 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1030 | /* Find the request in our queue */ |
Darren Tucker | 47eede7 | 2005-03-14 23:08:12 +1100 | [diff] [blame] | 1031 | for (req = TAILQ_FIRST(&requests); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1032 | req != NULL && req->id != id; |
| 1033 | req = TAILQ_NEXT(req, tq)) |
| 1034 | ; |
| 1035 | if (req == NULL) |
| 1036 | fatal("Unexpected reply %u", id); |
| 1037 | |
| 1038 | switch (type) { |
| 1039 | case SSH2_FXP_STATUS: |
| 1040 | status = buffer_get_int(&msg); |
| 1041 | if (status != SSH2_FX_EOF) |
| 1042 | read_error = 1; |
| 1043 | max_req = 0; |
| 1044 | TAILQ_REMOVE(&requests, req, tq); |
| 1045 | xfree(req); |
| 1046 | num_req--; |
| 1047 | break; |
| 1048 | case SSH2_FXP_DATA: |
| 1049 | data = buffer_get_string(&msg, &len); |
Ben Lindstrom | eb50545 | 2002-03-22 01:03:15 +0000 | [diff] [blame] | 1050 | debug3("Received data %llu -> %llu", |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1051 | (unsigned long long)req->offset, |
Ben Lindstrom | eb50545 | 2002-03-22 01:03:15 +0000 | [diff] [blame] | 1052 | (unsigned long long)req->offset + len - 1); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1053 | if (len > req->len) |
| 1054 | fatal("Received more data than asked for " |
Ben Lindstrom | 93576d9 | 2002-12-23 02:06:19 +0000 | [diff] [blame] | 1055 | "%u > %u", len, req->len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1056 | if ((lseek(local_fd, req->offset, SEEK_SET) == -1 || |
Darren Tucker | 9f63f22 | 2003-07-03 13:46:56 +1000 | [diff] [blame] | 1057 | atomicio(vwrite, local_fd, data, len) != len) && |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1058 | !write_error) { |
| 1059 | write_errno = errno; |
| 1060 | write_error = 1; |
| 1061 | max_req = 0; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1062 | } |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1063 | progress_counter += len; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1064 | xfree(data); |
| 1065 | |
| 1066 | if (len == req->len) { |
| 1067 | TAILQ_REMOVE(&requests, req, tq); |
| 1068 | xfree(req); |
| 1069 | num_req--; |
| 1070 | } else { |
| 1071 | /* Resend the request for the missing data */ |
| 1072 | debug3("Short data block, re-requesting " |
Ben Lindstrom | eb50545 | 2002-03-22 01:03:15 +0000 | [diff] [blame] | 1073 | "%llu -> %llu (%2d)", |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1074 | (unsigned long long)req->offset + len, |
Ben Lindstrom | 83b79e4 | 2002-03-22 01:05:27 +0000 | [diff] [blame] | 1075 | (unsigned long long)req->offset + |
| 1076 | req->len - 1, num_req); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1077 | req->id = conn->msg_id++; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1078 | req->len -= len; |
| 1079 | req->offset += len; |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1080 | send_read_request(conn->fd_out, req->id, |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1081 | req->offset, req->len, handle, handle_len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1082 | /* Reduce the request size */ |
| 1083 | if (len < buflen) |
| 1084 | buflen = MAX(MIN_READ_SIZE, len); |
| 1085 | } |
| 1086 | if (max_req > 0) { /* max_req = 0 iff EOF received */ |
| 1087 | if (size > 0 && offset > size) { |
| 1088 | /* Only one request at a time |
| 1089 | * after the expected EOF */ |
| 1090 | debug3("Finish at %llu (%2d)", |
Ben Lindstrom | eb50545 | 2002-03-22 01:03:15 +0000 | [diff] [blame] | 1091 | (unsigned long long)offset, |
| 1092 | num_req); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1093 | max_req = 1; |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 1094 | } else if (max_req <= conn->num_requests) { |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1095 | ++max_req; |
| 1096 | } |
| 1097 | } |
| 1098 | break; |
| 1099 | default: |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1100 | fatal("Expected SSH2_FXP_DATA(%u) packet, got %u", |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1101 | SSH2_FXP_DATA, type); |
| 1102 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1103 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1104 | |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1105 | if (showprogress && size) |
| 1106 | stop_progress_meter(); |
| 1107 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1108 | /* Sanity check */ |
| 1109 | if (TAILQ_FIRST(&requests) != NULL) |
| 1110 | fatal("Transfer complete, but requests still in queue"); |
| 1111 | |
| 1112 | if (read_error) { |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1113 | error("Couldn't read from remote file \"%s\" : %s", |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1114 | remote_path, fx2txt(status)); |
| 1115 | do_close(conn, handle, handle_len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1116 | } else if (write_error) { |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1117 | error("Couldn't write to \"%s\": %s", local_path, |
| 1118 | strerror(write_errno)); |
| 1119 | status = -1; |
| 1120 | do_close(conn, handle, handle_len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1121 | } else { |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1122 | status = do_close(conn, handle, handle_len); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1123 | |
| 1124 | /* Override umask and utimes if asked */ |
Ben Lindstrom | 6dc75f5 | 2001-02-17 16:47:47 +0000 | [diff] [blame] | 1125 | #ifdef HAVE_FCHMOD |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1126 | if (pflag && fchmod(local_fd, mode) == -1) |
Damien Miller | a8e06ce | 2003-11-21 23:48:55 +1100 | [diff] [blame] | 1127 | #else |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1128 | if (pflag && chmod(local_path, mode) == -1) |
Ben Lindstrom | 6dc75f5 | 2001-02-17 16:47:47 +0000 | [diff] [blame] | 1129 | #endif /* HAVE_FCHMOD */ |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1130 | error("Couldn't set mode on \"%s\": %s", local_path, |
Ben Lindstrom | 93576d9 | 2002-12-23 02:06:19 +0000 | [diff] [blame] | 1131 | strerror(errno)); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1132 | if (pflag && (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME)) { |
| 1133 | struct timeval tv[2]; |
| 1134 | tv[0].tv_sec = a->atime; |
| 1135 | tv[1].tv_sec = a->mtime; |
| 1136 | tv[0].tv_usec = tv[1].tv_usec = 0; |
| 1137 | if (utimes(local_path, tv) == -1) |
| 1138 | error("Can't set times on \"%s\": %s", |
Ben Lindstrom | 93576d9 | 2002-12-23 02:06:19 +0000 | [diff] [blame] | 1139 | local_path, strerror(errno)); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1140 | } |
Ben Lindstrom | 9d4f2c8 | 2001-02-15 03:22:45 +0000 | [diff] [blame] | 1141 | } |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 1142 | close(local_fd); |
| 1143 | buffer_free(&msg); |
| 1144 | xfree(handle); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1145 | |
| 1146 | return(status); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1147 | } |
| 1148 | |
| 1149 | int |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1150 | do_upload(struct sftp_conn *conn, char *local_path, char *remote_path, |
| 1151 | int pflag) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1152 | { |
Damien Miller | acdf25b | 2008-02-10 22:27:24 +1100 | [diff] [blame] | 1153 | int local_fd; |
| 1154 | int status = SSH2_FX_OK; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1155 | u_int handle_len, id, type; |
Damien Miller | 8b3fdfb | 2007-09-17 16:12:03 +1000 | [diff] [blame] | 1156 | off_t offset; |
Damien Miller | 8829d36 | 2002-02-08 22:04:05 +1100 | [diff] [blame] | 1157 | char *handle, *data; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1158 | Buffer msg; |
| 1159 | struct stat sb; |
| 1160 | Attrib a; |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1161 | u_int32_t startid; |
| 1162 | u_int32_t ackid; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1163 | struct outstanding_ack { |
| 1164 | u_int id; |
| 1165 | u_int len; |
Damien Miller | 8b3fdfb | 2007-09-17 16:12:03 +1000 | [diff] [blame] | 1166 | off_t offset; |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1167 | TAILQ_ENTRY(outstanding_ack) tq; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1168 | }; |
| 1169 | TAILQ_HEAD(ackhead, outstanding_ack) acks; |
Damien Miller | 7cf17eb | 2004-06-15 10:28:56 +1000 | [diff] [blame] | 1170 | struct outstanding_ack *ack = NULL; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1171 | |
| 1172 | TAILQ_INIT(&acks); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1173 | |
| 1174 | if ((local_fd = open(local_path, O_RDONLY, 0)) == -1) { |
| 1175 | error("Couldn't open local file \"%s\" for reading: %s", |
| 1176 | local_path, strerror(errno)); |
| 1177 | return(-1); |
| 1178 | } |
| 1179 | if (fstat(local_fd, &sb) == -1) { |
| 1180 | error("Couldn't fstat local file \"%s\": %s", |
| 1181 | local_path, strerror(errno)); |
| 1182 | close(local_fd); |
| 1183 | return(-1); |
| 1184 | } |
Damien Miller | 5fa01fd | 2003-01-14 22:24:47 +1100 | [diff] [blame] | 1185 | if (!S_ISREG(sb.st_mode)) { |
| 1186 | error("%s is not a regular file", local_path); |
| 1187 | close(local_fd); |
| 1188 | return(-1); |
| 1189 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1190 | stat_to_attrib(&sb, &a); |
| 1191 | |
| 1192 | a.flags &= ~SSH2_FILEXFER_ATTR_SIZE; |
| 1193 | a.flags &= ~SSH2_FILEXFER_ATTR_UIDGID; |
| 1194 | a.perm &= 0777; |
| 1195 | if (!pflag) |
| 1196 | a.flags &= ~SSH2_FILEXFER_ATTR_ACMODTIME; |
| 1197 | |
| 1198 | buffer_init(&msg); |
| 1199 | |
| 1200 | /* Send open request */ |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1201 | id = conn->msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1202 | buffer_put_char(&msg, SSH2_FXP_OPEN); |
| 1203 | buffer_put_int(&msg, id); |
| 1204 | buffer_put_cstring(&msg, remote_path); |
| 1205 | buffer_put_int(&msg, SSH2_FXF_WRITE|SSH2_FXF_CREAT|SSH2_FXF_TRUNC); |
| 1206 | encode_attrib(&msg, &a); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1207 | send_msg(conn->fd_out, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1208 | 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] | 1209 | |
| 1210 | buffer_clear(&msg); |
| 1211 | |
Darren Tucker | c22f090 | 2009-10-07 08:24:19 +1100 | [diff] [blame^] | 1212 | handle = get_handle(conn->fd_in, id, &handle_len, |
| 1213 | "remote open(\"%s\")", remote_path); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1214 | if (handle == NULL) { |
| 1215 | close(local_fd); |
| 1216 | buffer_free(&msg); |
Damien Miller | acdf25b | 2008-02-10 22:27:24 +1100 | [diff] [blame] | 1217 | return -1; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1218 | } |
| 1219 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1220 | startid = ackid = id + 1; |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1221 | data = xmalloc(conn->transfer_buflen); |
Damien Miller | 8829d36 | 2002-02-08 22:04:05 +1100 | [diff] [blame] | 1222 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1223 | /* Read from local and write to remote */ |
| 1224 | offset = 0; |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1225 | if (showprogress) |
| 1226 | start_progress_meter(local_path, sb.st_size, &offset); |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1227 | |
Damien Miller | 9f0f5c6 | 2001-12-21 14:45:46 +1100 | [diff] [blame] | 1228 | for (;;) { |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1229 | int len; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1230 | |
| 1231 | /* |
Darren Tucker | fc95970 | 2004-07-17 16:12:08 +1000 | [diff] [blame] | 1232 | * Can't use atomicio here because it returns 0 on EOF, |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 1233 | * thus losing the last block of the file. |
Darren Tucker | fc95970 | 2004-07-17 16:12:08 +1000 | [diff] [blame] | 1234 | * Simulate an EOF on interrupt, allowing ACKs from the |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 1235 | * server to drain. |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1236 | */ |
Damien Miller | acdf25b | 2008-02-10 22:27:24 +1100 | [diff] [blame] | 1237 | if (interrupted || status != SSH2_FX_OK) |
Darren Tucker | cdf547a | 2004-05-24 10:12:19 +1000 | [diff] [blame] | 1238 | len = 0; |
| 1239 | else do |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1240 | len = read(local_fd, data, conn->transfer_buflen); |
Damien Miller | d8968ad | 2008-07-04 23:10:49 +1000 | [diff] [blame] | 1241 | while ((len == -1) && |
| 1242 | (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1243 | |
| 1244 | if (len == -1) |
| 1245 | fatal("Couldn't read from \"%s\": %s", local_path, |
| 1246 | strerror(errno)); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1247 | |
| 1248 | if (len != 0) { |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1249 | ack = xmalloc(sizeof(*ack)); |
| 1250 | ack->id = ++id; |
| 1251 | ack->offset = offset; |
| 1252 | ack->len = len; |
| 1253 | TAILQ_INSERT_TAIL(&acks, ack, tq); |
| 1254 | |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1255 | buffer_clear(&msg); |
| 1256 | buffer_put_char(&msg, SSH2_FXP_WRITE); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1257 | buffer_put_int(&msg, ack->id); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1258 | buffer_put_string(&msg, handle, handle_len); |
| 1259 | buffer_put_int64(&msg, offset); |
| 1260 | buffer_put_string(&msg, data, len); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1261 | send_msg(conn->fd_out, &msg); |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1262 | debug3("Sent message SSH2_FXP_WRITE I:%u O:%llu S:%u", |
Ben Lindstrom | 93576d9 | 2002-12-23 02:06:19 +0000 | [diff] [blame] | 1263 | id, (unsigned long long)offset, len); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1264 | } else if (TAILQ_FIRST(&acks) == NULL) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1265 | break; |
| 1266 | |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1267 | if (ack == NULL) |
| 1268 | fatal("Unexpected ACK %u", id); |
| 1269 | |
Ben Lindstrom | 6328ab3 | 2002-03-22 02:54:23 +0000 | [diff] [blame] | 1270 | if (id == startid || len == 0 || |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1271 | id - ackid >= conn->num_requests) { |
Ben Lindstrom | 5a6abda | 2002-06-09 19:41:48 +0000 | [diff] [blame] | 1272 | u_int r_id; |
Ben Lindstrom | 06e9515 | 2002-04-06 04:16:45 +0000 | [diff] [blame] | 1273 | |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1274 | buffer_clear(&msg); |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1275 | get_msg(conn->fd_in, &msg); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1276 | type = buffer_get_char(&msg); |
Ben Lindstrom | 06e9515 | 2002-04-06 04:16:45 +0000 | [diff] [blame] | 1277 | r_id = buffer_get_int(&msg); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1278 | |
| 1279 | if (type != SSH2_FXP_STATUS) |
| 1280 | fatal("Expected SSH2_FXP_STATUS(%d) packet, " |
| 1281 | "got %d", SSH2_FXP_STATUS, type); |
| 1282 | |
| 1283 | status = buffer_get_int(&msg); |
| 1284 | debug3("SSH2_FXP_STATUS %d", status); |
| 1285 | |
| 1286 | /* Find the request in our queue */ |
Darren Tucker | 47eede7 | 2005-03-14 23:08:12 +1100 | [diff] [blame] | 1287 | for (ack = TAILQ_FIRST(&acks); |
Ben Lindstrom | 06e9515 | 2002-04-06 04:16:45 +0000 | [diff] [blame] | 1288 | ack != NULL && ack->id != r_id; |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1289 | ack = TAILQ_NEXT(ack, tq)) |
| 1290 | ; |
| 1291 | if (ack == NULL) |
Ben Lindstrom | b1f483f | 2002-06-23 21:27:18 +0000 | [diff] [blame] | 1292 | fatal("Can't find request for ID %u", r_id); |
Damien Miller | 5873dfd | 2002-02-13 14:04:37 +1100 | [diff] [blame] | 1293 | TAILQ_REMOVE(&acks, ack, tq); |
Damien Miller | 8b3fdfb | 2007-09-17 16:12:03 +1000 | [diff] [blame] | 1294 | debug3("In write loop, ack for %u %u bytes at %lld", |
| 1295 | ack->id, ack->len, (long long)ack->offset); |
Damien Miller | 16a1333 | 2002-02-13 14:03:56 +1100 | [diff] [blame] | 1296 | ++ackid; |
Ben Lindstrom | eec16fc | 2002-07-04 00:06:15 +0000 | [diff] [blame] | 1297 | xfree(ack); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1298 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1299 | offset += len; |
Damien Miller | 8b3fdfb | 2007-09-17 16:12:03 +1000 | [diff] [blame] | 1300 | if (offset < 0) |
| 1301 | fatal("%s: offset < 0", __func__); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1302 | } |
Damien Miller | acdf25b | 2008-02-10 22:27:24 +1100 | [diff] [blame] | 1303 | buffer_free(&msg); |
| 1304 | |
Damien Miller | 62d57f6 | 2003-01-10 21:43:24 +1100 | [diff] [blame] | 1305 | if (showprogress) |
| 1306 | stop_progress_meter(); |
Damien Miller | 8829d36 | 2002-02-08 22:04:05 +1100 | [diff] [blame] | 1307 | xfree(data); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1308 | |
Damien Miller | acdf25b | 2008-02-10 22:27:24 +1100 | [diff] [blame] | 1309 | if (status != SSH2_FX_OK) { |
| 1310 | error("Couldn't write to remote file \"%s\": %s", |
| 1311 | remote_path, fx2txt(status)); |
| 1312 | status = -1; |
| 1313 | } |
| 1314 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1315 | if (close(local_fd) == -1) { |
| 1316 | error("Couldn't close local file \"%s\": %s", local_path, |
| 1317 | strerror(errno)); |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 1318 | status = -1; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1319 | } |
| 1320 | |
Ben Lindstrom | 9d4f2c8 | 2001-02-15 03:22:45 +0000 | [diff] [blame] | 1321 | /* Override umask and utimes if asked */ |
| 1322 | if (pflag) |
Damien Miller | 3db5f53 | 2002-02-13 14:10:32 +1100 | [diff] [blame] | 1323 | do_fsetstat(conn, handle, handle_len, &a); |
Ben Lindstrom | 9d4f2c8 | 2001-02-15 03:22:45 +0000 | [diff] [blame] | 1324 | |
Damien Miller | acdf25b | 2008-02-10 22:27:24 +1100 | [diff] [blame] | 1325 | if (do_close(conn, handle, handle_len) != SSH2_FX_OK) |
| 1326 | status = -1; |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 1327 | xfree(handle); |
Damien Miller | acdf25b | 2008-02-10 22:27:24 +1100 | [diff] [blame] | 1328 | |
| 1329 | return status; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1330 | } |