| File: | src/usr.bin/ssh/sftp/../sftp.c |
| Warning: | line 1510, column 8 Although the value stored to 'optidx' is used in the enclosing expression, the value is never actually read from 'optidx' |
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| 1 | /* $OpenBSD: sftp.c,v 1.236 2023/09/10 23:12:32 djm Exp $ */ |
| 2 | /* |
| 3 | * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> |
| 4 | * |
| 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. |
| 8 | * |
| 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. |
| 16 | */ |
| 17 | |
| 18 | #include <sys/types.h> |
| 19 | #include <sys/ioctl.h> |
| 20 | #include <sys/wait.h> |
| 21 | #include <sys/stat.h> |
| 22 | #include <sys/socket.h> |
| 23 | #include <sys/statvfs.h> |
| 24 | |
| 25 | #include <ctype.h> |
| 26 | #include <errno(*__errno()).h> |
| 27 | #include <glob.h> |
| 28 | #include <histedit.h> |
| 29 | #include <paths.h> |
| 30 | #include <libgen.h> |
| 31 | #include <locale.h> |
| 32 | #include <signal.h> |
| 33 | #include <stdarg.h> |
| 34 | #include <stdlib.h> |
| 35 | #include <stdio.h> |
| 36 | #include <string.h> |
| 37 | #include <unistd.h> |
| 38 | #include <limits.h> |
| 39 | #include <util.h> |
| 40 | |
| 41 | #include "xmalloc.h" |
| 42 | #include "log.h" |
| 43 | #include "pathnames.h" |
| 44 | #include "misc.h" |
| 45 | #include "utf8.h" |
| 46 | |
| 47 | #include "sftp.h" |
| 48 | #include "ssherr.h" |
| 49 | #include "sshbuf.h" |
| 50 | #include "sftp-common.h" |
| 51 | #include "sftp-client.h" |
| 52 | #include "sftp-usergroup.h" |
| 53 | |
| 54 | /* File to read commands from */ |
| 55 | FILE* infile; |
| 56 | |
| 57 | /* Are we in batchfile mode? */ |
| 58 | int batchmode = 0; |
| 59 | |
| 60 | /* PID of ssh transport process */ |
| 61 | static volatile pid_t sshpid = -1; |
| 62 | |
| 63 | /* Suppress diagnostic messages */ |
| 64 | int quiet = 0; |
| 65 | |
| 66 | /* This is set to 0 if the progressmeter is not desired. */ |
| 67 | int showprogress = 1; |
| 68 | |
| 69 | /* When this option is set, we always recursively download/upload directories */ |
| 70 | int global_rflag = 0; |
| 71 | |
| 72 | /* When this option is set, we resume download or upload if possible */ |
| 73 | int global_aflag = 0; |
| 74 | |
| 75 | /* When this option is set, the file transfers will always preserve times */ |
| 76 | int global_pflag = 0; |
| 77 | |
| 78 | /* When this option is set, transfers will have fsync() called on each file */ |
| 79 | int global_fflag = 0; |
| 80 | |
| 81 | /* SIGINT received during command processing */ |
| 82 | volatile sig_atomic_t interrupted = 0; |
| 83 | |
| 84 | /* I wish qsort() took a separate ctx for the comparison function...*/ |
| 85 | int sort_flag; |
| 86 | glob_t *sort_glob; |
| 87 | |
| 88 | /* Context used for commandline completion */ |
| 89 | struct complete_ctx { |
| 90 | struct sftp_conn *conn; |
| 91 | char **remote_pathp; |
| 92 | }; |
| 93 | |
| 94 | int sftp_glob(struct sftp_conn *, const char *, int, |
| 95 | int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */ |
| 96 | |
| 97 | /* Separators for interactive commands */ |
| 98 | #define WHITESPACE" \t\r\n" " \t\r\n" |
| 99 | |
| 100 | /* ls flags */ |
| 101 | #define LS_LONG_VIEW0x0001 0x0001 /* Full view ala ls -l */ |
| 102 | #define LS_SHORT_VIEW0x0002 0x0002 /* Single row view ala ls -1 */ |
| 103 | #define LS_NUMERIC_VIEW0x0004 0x0004 /* Long view with numeric uid/gid */ |
| 104 | #define LS_NAME_SORT0x0008 0x0008 /* Sort by name (default) */ |
| 105 | #define LS_TIME_SORT0x0010 0x0010 /* Sort by mtime */ |
| 106 | #define LS_SIZE_SORT0x0020 0x0020 /* Sort by file size */ |
| 107 | #define LS_REVERSE_SORT0x0040 0x0040 /* Reverse sort order */ |
| 108 | #define LS_SHOW_ALL0x0080 0x0080 /* Don't skip filenames starting with '.' */ |
| 109 | #define LS_SI_UNITS0x0100 0x0100 /* Display sizes as K, M, G, etc. */ |
| 110 | |
| 111 | #define VIEW_FLAGS(0x0001|0x0002|0x0004|0x0100) (LS_LONG_VIEW0x0001|LS_SHORT_VIEW0x0002|LS_NUMERIC_VIEW0x0004|LS_SI_UNITS0x0100) |
| 112 | #define SORT_FLAGS(0x0008|0x0010|0x0020) (LS_NAME_SORT0x0008|LS_TIME_SORT0x0010|LS_SIZE_SORT0x0020) |
| 113 | |
| 114 | /* Commands for interactive mode */ |
| 115 | enum sftp_command { |
| 116 | I_CHDIR = 1, |
| 117 | I_CHGRP, |
| 118 | I_CHMOD, |
| 119 | I_CHOWN, |
| 120 | I_COPY, |
| 121 | I_DF, |
| 122 | I_GET, |
| 123 | I_HELP, |
| 124 | I_LCHDIR, |
| 125 | I_LINK, |
| 126 | I_LLS, |
| 127 | I_LMKDIR, |
| 128 | I_LPWD, |
| 129 | I_LS, |
| 130 | I_LUMASK, |
| 131 | I_MKDIR, |
| 132 | I_PUT, |
| 133 | I_PWD, |
| 134 | I_QUIT, |
| 135 | I_REGET, |
| 136 | I_RENAME, |
| 137 | I_REPUT, |
| 138 | I_RM, |
| 139 | I_RMDIR, |
| 140 | I_SHELL, |
| 141 | I_SYMLINK, |
| 142 | I_VERSION, |
| 143 | I_PROGRESS, |
| 144 | }; |
| 145 | |
| 146 | struct CMD { |
| 147 | const char *c; |
| 148 | const int n; |
| 149 | const int t; /* Completion type for the first argument */ |
| 150 | const int t2; /* completion type for the optional second argument */ |
| 151 | }; |
| 152 | |
| 153 | /* Type of completion */ |
| 154 | #define NOARGS0 0 |
| 155 | #define REMOTE1 1 |
| 156 | #define LOCAL2 2 |
| 157 | |
| 158 | static const struct CMD cmds[] = { |
| 159 | { "bye", I_QUIT, NOARGS0, NOARGS0 }, |
| 160 | { "cd", I_CHDIR, REMOTE1, NOARGS0 }, |
| 161 | { "chdir", I_CHDIR, REMOTE1, NOARGS0 }, |
| 162 | { "chgrp", I_CHGRP, REMOTE1, NOARGS0 }, |
| 163 | { "chmod", I_CHMOD, REMOTE1, NOARGS0 }, |
| 164 | { "chown", I_CHOWN, REMOTE1, NOARGS0 }, |
| 165 | { "copy", I_COPY, REMOTE1, LOCAL2 }, |
| 166 | { "cp", I_COPY, REMOTE1, LOCAL2 }, |
| 167 | { "df", I_DF, REMOTE1, NOARGS0 }, |
| 168 | { "dir", I_LS, REMOTE1, NOARGS0 }, |
| 169 | { "exit", I_QUIT, NOARGS0, NOARGS0 }, |
| 170 | { "get", I_GET, REMOTE1, LOCAL2 }, |
| 171 | { "help", I_HELP, NOARGS0, NOARGS0 }, |
| 172 | { "lcd", I_LCHDIR, LOCAL2, NOARGS0 }, |
| 173 | { "lchdir", I_LCHDIR, LOCAL2, NOARGS0 }, |
| 174 | { "lls", I_LLS, LOCAL2, NOARGS0 }, |
| 175 | { "lmkdir", I_LMKDIR, LOCAL2, NOARGS0 }, |
| 176 | { "ln", I_LINK, REMOTE1, REMOTE1 }, |
| 177 | { "lpwd", I_LPWD, LOCAL2, NOARGS0 }, |
| 178 | { "ls", I_LS, REMOTE1, NOARGS0 }, |
| 179 | { "lumask", I_LUMASK, NOARGS0, NOARGS0 }, |
| 180 | { "mkdir", I_MKDIR, REMOTE1, NOARGS0 }, |
| 181 | { "mget", I_GET, REMOTE1, LOCAL2 }, |
| 182 | { "mput", I_PUT, LOCAL2, REMOTE1 }, |
| 183 | { "progress", I_PROGRESS, NOARGS0, NOARGS0 }, |
| 184 | { "put", I_PUT, LOCAL2, REMOTE1 }, |
| 185 | { "pwd", I_PWD, REMOTE1, NOARGS0 }, |
| 186 | { "quit", I_QUIT, NOARGS0, NOARGS0 }, |
| 187 | { "reget", I_REGET, REMOTE1, LOCAL2 }, |
| 188 | { "rename", I_RENAME, REMOTE1, REMOTE1 }, |
| 189 | { "reput", I_REPUT, LOCAL2, REMOTE1 }, |
| 190 | { "rm", I_RM, REMOTE1, NOARGS0 }, |
| 191 | { "rmdir", I_RMDIR, REMOTE1, NOARGS0 }, |
| 192 | { "symlink", I_SYMLINK, REMOTE1, REMOTE1 }, |
| 193 | { "version", I_VERSION, NOARGS0, NOARGS0 }, |
| 194 | { "!", I_SHELL, NOARGS0, NOARGS0 }, |
| 195 | { "?", I_HELP, NOARGS0, NOARGS0 }, |
| 196 | { NULL((void *)0), -1, -1, -1 } |
| 197 | }; |
| 198 | |
| 199 | static void |
| 200 | killchild(int signo) |
| 201 | { |
| 202 | pid_t pid; |
| 203 | |
| 204 | pid = sshpid; |
| 205 | if (pid > 1) { |
| 206 | kill(pid, SIGTERM15); |
| 207 | (void)waitpid(pid, NULL((void *)0), 0); |
| 208 | } |
| 209 | |
| 210 | _exit(1); |
| 211 | } |
| 212 | |
| 213 | static void |
| 214 | suspchild(int signo) |
| 215 | { |
| 216 | if (sshpid > 1) { |
| 217 | kill(sshpid, signo); |
| 218 | while (waitpid(sshpid, NULL((void *)0), WUNTRACED0x02) == -1 && errno(*__errno()) == EINTR4) |
| 219 | continue; |
| 220 | } |
| 221 | kill(getpid(), SIGSTOP17); |
| 222 | } |
| 223 | |
| 224 | static void |
| 225 | cmd_interrupt(int signo) |
| 226 | { |
| 227 | const char msg[] = "\rInterrupt \n"; |
| 228 | int olderrno = errno(*__errno()); |
| 229 | |
| 230 | (void)write(STDERR_FILENO2, msg, sizeof(msg) - 1); |
| 231 | interrupted = 1; |
| 232 | errno(*__errno()) = olderrno; |
| 233 | } |
| 234 | |
| 235 | static void |
| 236 | read_interrupt(int signo) |
| 237 | { |
| 238 | interrupted = 1; |
| 239 | } |
| 240 | |
| 241 | static void |
| 242 | sigchld_handler(int sig) |
| 243 | { |
| 244 | int save_errno = errno(*__errno()); |
| 245 | pid_t pid; |
| 246 | const char msg[] = "\rConnection closed. \n"; |
| 247 | |
| 248 | /* Report if ssh transport process dies. */ |
| 249 | while ((pid = waitpid(sshpid, NULL((void *)0), WNOHANG0x01)) == -1 && errno(*__errno()) == EINTR4) |
| 250 | continue; |
| 251 | if (pid == sshpid) { |
| 252 | if (!quiet) |
| 253 | (void)write(STDERR_FILENO2, msg, sizeof(msg) - 1); |
| 254 | sshpid = -1; |
| 255 | } |
| 256 | |
| 257 | errno(*__errno()) = save_errno; |
| 258 | } |
| 259 | |
| 260 | static void |
| 261 | help(void) |
| 262 | { |
| 263 | printf("Available commands:\n" |
| 264 | "bye Quit sftp\n" |
| 265 | "cd path Change remote directory to 'path'\n" |
| 266 | "chgrp [-h] grp path Change group of file 'path' to 'grp'\n" |
| 267 | "chmod [-h] mode path Change permissions of file 'path' to 'mode'\n" |
| 268 | "chown [-h] own path Change owner of file 'path' to 'own'\n" |
| 269 | "copy oldpath newpath Copy remote file\n" |
| 270 | "cp oldpath newpath Copy remote file\n" |
| 271 | "df [-hi] [path] Display statistics for current directory or\n" |
| 272 | " filesystem containing 'path'\n" |
| 273 | "exit Quit sftp\n" |
| 274 | "get [-afpR] remote [local] Download file\n" |
| 275 | "help Display this help text\n" |
| 276 | "lcd path Change local directory to 'path'\n" |
| 277 | "lls [ls-options [path]] Display local directory listing\n" |
| 278 | "lmkdir path Create local directory\n" |
| 279 | "ln [-s] oldpath newpath Link remote file (-s for symlink)\n" |
| 280 | "lpwd Print local working directory\n" |
| 281 | "ls [-1afhlnrSt] [path] Display remote directory listing\n" |
| 282 | "lumask umask Set local umask to 'umask'\n" |
| 283 | "mkdir path Create remote directory\n" |
| 284 | "progress Toggle display of progress meter\n" |
| 285 | "put [-afpR] local [remote] Upload file\n" |
| 286 | "pwd Display remote working directory\n" |
| 287 | "quit Quit sftp\n" |
| 288 | "reget [-fpR] remote [local] Resume download file\n" |
| 289 | "rename oldpath newpath Rename remote file\n" |
| 290 | "reput [-fpR] local [remote] Resume upload file\n" |
| 291 | "rm path Delete remote file\n" |
| 292 | "rmdir path Remove remote directory\n" |
| 293 | "symlink oldpath newpath Symlink remote file\n" |
| 294 | "version Show SFTP version\n" |
| 295 | "!command Execute 'command' in local shell\n" |
| 296 | "! Escape to local shell\n" |
| 297 | "? Synonym for help\n"); |
| 298 | } |
| 299 | |
| 300 | static void |
| 301 | local_do_shell(const char *args) |
| 302 | { |
| 303 | int status; |
| 304 | char *shell; |
| 305 | pid_t pid; |
| 306 | |
| 307 | if (!*args) |
| 308 | args = NULL((void *)0); |
| 309 | |
| 310 | if ((shell = getenv("SHELL")) == NULL((void *)0) || *shell == '\0') |
| 311 | shell = _PATH_BSHELL"/bin/sh"; |
| 312 | |
| 313 | if ((pid = fork()) == -1) |
| 314 | fatal("Couldn't fork: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 314 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Couldn't fork: %s", strerror ((*__errno()))); |
| 315 | |
| 316 | if (pid == 0) { |
| 317 | /* XXX: child has pipe fds to ssh subproc open - issue? */ |
| 318 | if (args) { |
| 319 | debug3("Executing %s -c \"%s\"", shell, args)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 319, 0 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "Executing %s -c \"%s\"", shell, args); |
| 320 | execl(shell, shell, "-c", args, (char *)NULL((void *)0)); |
| 321 | } else { |
| 322 | debug3("Executing %s", shell)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 322, 0 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "Executing %s", shell); |
| 323 | execl(shell, shell, (char *)NULL((void *)0)); |
| 324 | } |
| 325 | fprintf(stderr(&__sF[2]), "Couldn't execute \"%s\": %s\n", shell, |
| 326 | strerror(errno(*__errno()))); |
| 327 | _exit(1); |
| 328 | } |
| 329 | while (waitpid(pid, &status, 0) == -1) |
| 330 | if (errno(*__errno()) != EINTR4) |
| 331 | fatal("Couldn't wait for child: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 331 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Couldn't wait for child: %s" , strerror((*__errno()))); |
| 332 | if (!WIFEXITED(status)(((status) & 0177) == 0)) |
| 333 | error("Shell exited abnormally")sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 333, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Shell exited abnormally"); |
| 334 | else if (WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff)) |
| 335 | error("Shell exited with status %d", WEXITSTATUS(status))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 335, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Shell exited with status %d" , (int)(((unsigned)(status) >> 8) & 0xff)); |
| 336 | } |
| 337 | |
| 338 | static void |
| 339 | local_do_ls(const char *args) |
| 340 | { |
| 341 | if (!args || !*args) |
| 342 | local_do_shell(_PATH_LS"ls"); |
| 343 | else { |
| 344 | int len = strlen(_PATH_LS"ls" " ") + strlen(args) + 1; |
| 345 | char *buf = xmalloc(len); |
| 346 | |
| 347 | /* XXX: quoting - rip quoting code from ftp? */ |
| 348 | snprintf(buf, len, _PATH_LS"ls" " %s", args); |
| 349 | local_do_shell(buf); |
| 350 | free(buf); |
| 351 | } |
| 352 | } |
| 353 | |
| 354 | /* Strip one path (usually the pwd) from the start of another */ |
| 355 | static char * |
| 356 | path_strip(const char *path, const char *strip) |
| 357 | { |
| 358 | size_t len; |
| 359 | |
| 360 | if (strip == NULL((void *)0)) |
| 361 | return (xstrdup(path)); |
| 362 | |
| 363 | len = strlen(strip); |
| 364 | if (strncmp(path, strip, len) == 0) { |
| 365 | if (strip[len - 1] != '/' && path[len] == '/') |
| 366 | len++; |
| 367 | return (xstrdup(path + len)); |
| 368 | } |
| 369 | |
| 370 | return (xstrdup(path)); |
| 371 | } |
| 372 | |
| 373 | static int |
| 374 | parse_getput_flags(const char *cmd, char **argv, int argc, |
| 375 | int *aflag, int *fflag, int *pflag, int *rflag) |
| 376 | { |
| 377 | extern int opterr, optind, optopt, optreset; |
| 378 | int ch; |
| 379 | |
| 380 | optind = optreset = 1; |
| 381 | opterr = 0; |
| 382 | |
| 383 | *aflag = *fflag = *rflag = *pflag = 0; |
| 384 | while ((ch = getopt(argc, argv, "afPpRr")) != -1) { |
| 385 | switch (ch) { |
| 386 | case 'a': |
| 387 | *aflag = 1; |
| 388 | break; |
| 389 | case 'f': |
| 390 | *fflag = 1; |
| 391 | break; |
| 392 | case 'p': |
| 393 | case 'P': |
| 394 | *pflag = 1; |
| 395 | break; |
| 396 | case 'r': |
| 397 | case 'R': |
| 398 | *rflag = 1; |
| 399 | break; |
| 400 | default: |
| 401 | error("%s: Invalid flag -%c", cmd, optopt)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 401, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: Invalid flag -%c", cmd , optopt); |
| 402 | return -1; |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | return optind; |
| 407 | } |
| 408 | |
| 409 | static int |
| 410 | parse_link_flags(const char *cmd, char **argv, int argc, int *sflag) |
| 411 | { |
| 412 | extern int opterr, optind, optopt, optreset; |
| 413 | int ch; |
| 414 | |
| 415 | optind = optreset = 1; |
| 416 | opterr = 0; |
| 417 | |
| 418 | *sflag = 0; |
| 419 | while ((ch = getopt(argc, argv, "s")) != -1) { |
| 420 | switch (ch) { |
| 421 | case 's': |
| 422 | *sflag = 1; |
| 423 | break; |
| 424 | default: |
| 425 | error("%s: Invalid flag -%c", cmd, optopt)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 425, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: Invalid flag -%c", cmd , optopt); |
| 426 | return -1; |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | return optind; |
| 431 | } |
| 432 | |
| 433 | static int |
| 434 | parse_rename_flags(const char *cmd, char **argv, int argc, int *lflag) |
| 435 | { |
| 436 | extern int opterr, optind, optopt, optreset; |
| 437 | int ch; |
| 438 | |
| 439 | optind = optreset = 1; |
| 440 | opterr = 0; |
| 441 | |
| 442 | *lflag = 0; |
| 443 | while ((ch = getopt(argc, argv, "l")) != -1) { |
| 444 | switch (ch) { |
| 445 | case 'l': |
| 446 | *lflag = 1; |
| 447 | break; |
| 448 | default: |
| 449 | error("%s: Invalid flag -%c", cmd, optopt)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 449, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: Invalid flag -%c", cmd , optopt); |
| 450 | return -1; |
| 451 | } |
| 452 | } |
| 453 | |
| 454 | return optind; |
| 455 | } |
| 456 | |
| 457 | static int |
| 458 | parse_ls_flags(char **argv, int argc, int *lflag) |
| 459 | { |
| 460 | extern int opterr, optind, optopt, optreset; |
| 461 | int ch; |
| 462 | |
| 463 | optind = optreset = 1; |
| 464 | opterr = 0; |
| 465 | |
| 466 | *lflag = LS_NAME_SORT0x0008; |
| 467 | while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) { |
| 468 | switch (ch) { |
| 469 | case '1': |
| 470 | *lflag &= ~VIEW_FLAGS(0x0001|0x0002|0x0004|0x0100); |
| 471 | *lflag |= LS_SHORT_VIEW0x0002; |
| 472 | break; |
| 473 | case 'S': |
| 474 | *lflag &= ~SORT_FLAGS(0x0008|0x0010|0x0020); |
| 475 | *lflag |= LS_SIZE_SORT0x0020; |
| 476 | break; |
| 477 | case 'a': |
| 478 | *lflag |= LS_SHOW_ALL0x0080; |
| 479 | break; |
| 480 | case 'f': |
| 481 | *lflag &= ~SORT_FLAGS(0x0008|0x0010|0x0020); |
| 482 | break; |
| 483 | case 'h': |
| 484 | *lflag |= LS_SI_UNITS0x0100; |
| 485 | break; |
| 486 | case 'l': |
| 487 | *lflag &= ~LS_SHORT_VIEW0x0002; |
| 488 | *lflag |= LS_LONG_VIEW0x0001; |
| 489 | break; |
| 490 | case 'n': |
| 491 | *lflag &= ~LS_SHORT_VIEW0x0002; |
| 492 | *lflag |= LS_NUMERIC_VIEW0x0004|LS_LONG_VIEW0x0001; |
| 493 | break; |
| 494 | case 'r': |
| 495 | *lflag |= LS_REVERSE_SORT0x0040; |
| 496 | break; |
| 497 | case 't': |
| 498 | *lflag &= ~SORT_FLAGS(0x0008|0x0010|0x0020); |
| 499 | *lflag |= LS_TIME_SORT0x0010; |
| 500 | break; |
| 501 | default: |
| 502 | error("ls: Invalid flag -%c", optopt)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 502, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "ls: Invalid flag -%c", optopt ); |
| 503 | return -1; |
| 504 | } |
| 505 | } |
| 506 | |
| 507 | return optind; |
| 508 | } |
| 509 | |
| 510 | static int |
| 511 | parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag) |
| 512 | { |
| 513 | extern int opterr, optind, optopt, optreset; |
| 514 | int ch; |
| 515 | |
| 516 | optind = optreset = 1; |
| 517 | opterr = 0; |
| 518 | |
| 519 | *hflag = *iflag = 0; |
| 520 | while ((ch = getopt(argc, argv, "hi")) != -1) { |
| 521 | switch (ch) { |
| 522 | case 'h': |
| 523 | *hflag = 1; |
| 524 | break; |
| 525 | case 'i': |
| 526 | *iflag = 1; |
| 527 | break; |
| 528 | default: |
| 529 | error("%s: Invalid flag -%c", cmd, optopt)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 529, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: Invalid flag -%c", cmd , optopt); |
| 530 | return -1; |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | return optind; |
| 535 | } |
| 536 | |
| 537 | static int |
| 538 | parse_ch_flags(const char *cmd, char **argv, int argc, int *hflag) |
| 539 | { |
| 540 | extern int opterr, optind, optopt, optreset; |
| 541 | int ch; |
| 542 | |
| 543 | optind = optreset = 1; |
| 544 | opterr = 0; |
| 545 | |
| 546 | *hflag = 0; |
| 547 | while ((ch = getopt(argc, argv, "h")) != -1) { |
| 548 | switch (ch) { |
| 549 | case 'h': |
| 550 | *hflag = 1; |
| 551 | break; |
| 552 | default: |
| 553 | error("%s: Invalid flag -%c", cmd, optopt)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 553, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: Invalid flag -%c", cmd , optopt); |
| 554 | return -1; |
| 555 | } |
| 556 | } |
| 557 | |
| 558 | return optind; |
| 559 | } |
| 560 | |
| 561 | static int |
| 562 | parse_no_flags(const char *cmd, char **argv, int argc) |
| 563 | { |
| 564 | extern int opterr, optind, optopt, optreset; |
| 565 | int ch; |
| 566 | |
| 567 | optind = optreset = 1; |
| 568 | opterr = 0; |
| 569 | |
| 570 | while ((ch = getopt(argc, argv, "")) != -1) { |
| 571 | switch (ch) { |
| 572 | default: |
| 573 | error("%s: Invalid flag -%c", cmd, optopt)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 573, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: Invalid flag -%c", cmd , optopt); |
| 574 | return -1; |
| 575 | } |
| 576 | } |
| 577 | |
| 578 | return optind; |
| 579 | } |
| 580 | |
| 581 | static char * |
| 582 | escape_glob(const char *s) |
| 583 | { |
| 584 | size_t i, o, len; |
| 585 | char *ret; |
| 586 | |
| 587 | len = strlen(s); |
| 588 | ret = xcalloc(2, len + 1); |
| 589 | for (i = o = 0; i < len; i++) { |
| 590 | if (strchr("[]?*\\", s[i]) != NULL((void *)0)) |
| 591 | ret[o++] = '\\'; |
| 592 | ret[o++] = s[i]; |
| 593 | } |
| 594 | ret[o++] = '\0'; |
| 595 | return ret; |
| 596 | } |
| 597 | |
| 598 | /* |
| 599 | * Arg p must be dynamically allocated. make_absolute will either return it |
| 600 | * or free it and allocate a new one. Caller must free returned string. |
| 601 | */ |
| 602 | static char * |
| 603 | make_absolute_pwd_glob(char *p, const char *pwd) |
| 604 | { |
| 605 | char *ret, *escpwd; |
| 606 | |
| 607 | escpwd = escape_glob(pwd); |
| 608 | if (p == NULL((void *)0)) |
| 609 | return escpwd; |
| 610 | ret = sftp_make_absolute(p, escpwd); |
| 611 | free(escpwd); |
| 612 | return ret; |
| 613 | } |
| 614 | |
| 615 | static int |
| 616 | local_is_dir(const char *path) |
| 617 | { |
| 618 | struct stat sb; |
| 619 | |
| 620 | if (stat(path, &sb) == -1) |
| 621 | return 0; |
| 622 | return S_ISDIR(sb.st_mode)((sb.st_mode & 0170000) == 0040000); |
| 623 | } |
| 624 | |
| 625 | static int |
| 626 | process_get(struct sftp_conn *conn, const char *src, const char *dst, |
| 627 | const char *pwd, int pflag, int rflag, int resume, int fflag) |
| 628 | { |
| 629 | char *filename, *abs_src = NULL((void *)0), *abs_dst = NULL((void *)0), *tmp = NULL((void *)0); |
| 630 | glob_t g; |
| 631 | int i, r, err = 0; |
| 632 | |
| 633 | abs_src = make_absolute_pwd_glob(xstrdup(src), pwd); |
| 634 | memset(&g, 0, sizeof(g)); |
| 635 | |
| 636 | debug3("Looking up %s", abs_src)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 636, 0 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "Looking up %s", abs_src); |
| 637 | if ((r = sftp_glob(conn, abs_src, GLOB_MARK0x0008, NULL((void *)0), &g)) != 0) { |
| 638 | if (r == GLOB_NOSPACE(-1)) { |
| 639 | error("Too many matches for \"%s\".", abs_src)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 639, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Too many matches for \"%s\"." , abs_src); |
| 640 | } else { |
| 641 | error("File \"%s\" not found.", abs_src)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 641, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "File \"%s\" not found.", abs_src ); |
| 642 | } |
| 643 | err = -1; |
| 644 | goto out; |
| 645 | } |
| 646 | |
| 647 | /* |
| 648 | * If multiple matches then dst must be a directory or |
| 649 | * unspecified. |
| 650 | */ |
| 651 | if (g.gl_matchc > 1 && dst != NULL((void *)0) && !local_is_dir(dst)) { |
| 652 | error("Multiple source paths, but destination "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 653, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Multiple source paths, but destination " "\"%s\" is not a directory", dst) |
| 653 | "\"%s\" is not a directory", dst)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 653, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Multiple source paths, but destination " "\"%s\" is not a directory", dst); |
| 654 | err = -1; |
| 655 | goto out; |
| 656 | } |
| 657 | |
| 658 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
| 659 | tmp = xstrdup(g.gl_pathv[i]); |
| 660 | if ((filename = basename(tmp)) == NULL((void *)0)) { |
| 661 | error("basename %s: %s", tmp, strerror(errno))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 661, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "basename %s: %s", tmp, strerror ((*__errno()))); |
| 662 | free(tmp); |
| 663 | err = -1; |
| 664 | goto out; |
| 665 | } |
| 666 | |
| 667 | if (g.gl_matchc == 1 && dst) { |
| 668 | if (local_is_dir(dst)) { |
| 669 | abs_dst = sftp_path_append(dst, filename); |
| 670 | } else { |
| 671 | abs_dst = xstrdup(dst); |
| 672 | } |
| 673 | } else if (dst) { |
| 674 | abs_dst = sftp_path_append(dst, filename); |
| 675 | } else { |
| 676 | abs_dst = xstrdup(filename); |
| 677 | } |
| 678 | free(tmp); |
| 679 | |
| 680 | resume |= global_aflag; |
| 681 | if (!quiet && resume) |
| 682 | mprintf("Resuming %s to %s\n", |
| 683 | g.gl_pathv[i], abs_dst); |
| 684 | else if (!quiet && !resume) |
| 685 | mprintf("Fetching %s to %s\n", |
| 686 | g.gl_pathv[i], abs_dst); |
| 687 | /* XXX follow link flag */ |
| 688 | if (sftp_globpath_is_dir(g.gl_pathv[i]) && |
| 689 | (rflag || global_rflag)) { |
| 690 | if (sftp_download_dir(conn, g.gl_pathv[i], abs_dst, |
| 691 | NULL((void *)0), pflag || global_pflag, 1, resume, |
| 692 | fflag || global_fflag, 0, 0) == -1) |
| 693 | err = -1; |
| 694 | } else { |
| 695 | if (sftp_download(conn, g.gl_pathv[i], abs_dst, NULL((void *)0), |
| 696 | pflag || global_pflag, resume, |
| 697 | fflag || global_fflag, 0) == -1) |
| 698 | err = -1; |
| 699 | } |
| 700 | free(abs_dst); |
| 701 | abs_dst = NULL((void *)0); |
| 702 | } |
| 703 | |
| 704 | out: |
| 705 | free(abs_src); |
| 706 | globfree(&g); |
| 707 | return(err); |
| 708 | } |
| 709 | |
| 710 | static int |
| 711 | process_put(struct sftp_conn *conn, const char *src, const char *dst, |
| 712 | const char *pwd, int pflag, int rflag, int resume, int fflag) |
| 713 | { |
| 714 | char *tmp_dst = NULL((void *)0); |
| 715 | char *abs_dst = NULL((void *)0); |
| 716 | char *tmp = NULL((void *)0), *filename = NULL((void *)0); |
| 717 | glob_t g; |
| 718 | int err = 0; |
| 719 | int i, dst_is_dir = 1; |
| 720 | struct stat sb; |
| 721 | |
| 722 | if (dst) { |
| 723 | tmp_dst = xstrdup(dst); |
| 724 | tmp_dst = sftp_make_absolute(tmp_dst, pwd); |
| 725 | } |
| 726 | |
| 727 | memset(&g, 0, sizeof(g)); |
| 728 | debug3("Looking up %s", src)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 728, 0 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "Looking up %s", src); |
| 729 | if (glob(src, GLOB_NOCHECK0x0010 | GLOB_MARK0x0008, NULL((void *)0), &g)) { |
| 730 | error("File \"%s\" not found.", src)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 730, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "File \"%s\" not found.", src ); |
| 731 | err = -1; |
| 732 | goto out; |
| 733 | } |
| 734 | |
| 735 | /* If we aren't fetching to pwd then stash this status for later */ |
| 736 | if (tmp_dst != NULL((void *)0)) |
| 737 | dst_is_dir = sftp_remote_is_dir(conn, tmp_dst); |
| 738 | |
| 739 | /* If multiple matches, dst may be directory or unspecified */ |
| 740 | if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) { |
| 741 | error("Multiple paths match, but destination "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 742, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Multiple paths match, but destination " "\"%s\" is not a directory", tmp_dst) |
| 742 | "\"%s\" is not a directory", tmp_dst)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 742, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Multiple paths match, but destination " "\"%s\" is not a directory", tmp_dst); |
| 743 | err = -1; |
| 744 | goto out; |
| 745 | } |
| 746 | |
| 747 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
| 748 | if (stat(g.gl_pathv[i], &sb) == -1) { |
| 749 | err = -1; |
| 750 | error("stat %s: %s", g.gl_pathv[i], strerror(errno))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 750, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "stat %s: %s", g.gl_pathv[ i], strerror((*__errno()))); |
| 751 | continue; |
| 752 | } |
| 753 | |
| 754 | tmp = xstrdup(g.gl_pathv[i]); |
| 755 | if ((filename = basename(tmp)) == NULL((void *)0)) { |
| 756 | error("basename %s: %s", tmp, strerror(errno))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 756, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "basename %s: %s", tmp, strerror ((*__errno()))); |
| 757 | free(tmp); |
| 758 | err = -1; |
| 759 | goto out; |
| 760 | } |
| 761 | |
| 762 | free(abs_dst); |
| 763 | abs_dst = NULL((void *)0); |
| 764 | if (g.gl_matchc == 1 && tmp_dst) { |
| 765 | /* If directory specified, append filename */ |
| 766 | if (dst_is_dir) |
| 767 | abs_dst = sftp_path_append(tmp_dst, filename); |
| 768 | else |
| 769 | abs_dst = xstrdup(tmp_dst); |
| 770 | } else if (tmp_dst) { |
| 771 | abs_dst = sftp_path_append(tmp_dst, filename); |
| 772 | } else { |
| 773 | abs_dst = sftp_make_absolute(xstrdup(filename), pwd); |
| 774 | } |
| 775 | free(tmp); |
| 776 | |
| 777 | resume |= global_aflag; |
| 778 | if (!quiet && resume) |
| 779 | mprintf("Resuming upload of %s to %s\n", |
| 780 | g.gl_pathv[i], abs_dst); |
| 781 | else if (!quiet && !resume) |
| 782 | mprintf("Uploading %s to %s\n", |
| 783 | g.gl_pathv[i], abs_dst); |
| 784 | /* XXX follow_link_flag */ |
| 785 | if (sftp_globpath_is_dir(g.gl_pathv[i]) && |
| 786 | (rflag || global_rflag)) { |
| 787 | if (sftp_upload_dir(conn, g.gl_pathv[i], abs_dst, |
| 788 | pflag || global_pflag, 1, resume, |
| 789 | fflag || global_fflag, 0, 0) == -1) |
| 790 | err = -1; |
| 791 | } else { |
| 792 | if (sftp_upload(conn, g.gl_pathv[i], abs_dst, |
| 793 | pflag || global_pflag, resume, |
| 794 | fflag || global_fflag, 0) == -1) |
| 795 | err = -1; |
| 796 | } |
| 797 | } |
| 798 | |
| 799 | out: |
| 800 | free(abs_dst); |
| 801 | free(tmp_dst); |
| 802 | globfree(&g); |
| 803 | return(err); |
| 804 | } |
| 805 | |
| 806 | static int |
| 807 | sdirent_comp(const void *aa, const void *bb) |
| 808 | { |
| 809 | SFTP_DIRENT *a = *(SFTP_DIRENT **)aa; |
| 810 | SFTP_DIRENT *b = *(SFTP_DIRENT **)bb; |
| 811 | int rmul = sort_flag & LS_REVERSE_SORT0x0040 ? -1 : 1; |
| 812 | |
| 813 | #define NCMP(a,b)(a == b ? 0 : (a < b ? 1 : -1)) (a == b ? 0 : (a < b ? 1 : -1)) |
| 814 | if (sort_flag & LS_NAME_SORT0x0008) |
| 815 | return (rmul * strcmp(a->filename, b->filename)); |
| 816 | else if (sort_flag & LS_TIME_SORT0x0010) |
| 817 | return (rmul * NCMP(a->a.mtime, b->a.mtime)(a->a.mtime == b->a.mtime ? 0 : (a->a.mtime < b-> a.mtime ? 1 : -1))); |
| 818 | else if (sort_flag & LS_SIZE_SORT0x0020) |
| 819 | return (rmul * NCMP(a->a.size, b->a.size)(a->a.size == b->a.size ? 0 : (a->a.size < b-> a.size ? 1 : -1))); |
| 820 | |
| 821 | fatal("Unknown ls sort type")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 821 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unknown ls sort type"); |
| 822 | } |
| 823 | |
| 824 | /* sftp ls.1 replacement for directories */ |
| 825 | static int |
| 826 | do_ls_dir(struct sftp_conn *conn, const char *path, |
| 827 | const char *strip_path, int lflag) |
| 828 | { |
| 829 | int n; |
| 830 | u_int c = 1, colspace = 0, columns = 1; |
| 831 | SFTP_DIRENT **d; |
| 832 | |
| 833 | if ((n = sftp_readdir(conn, path, &d)) != 0) |
| 834 | return (n); |
| 835 | |
| 836 | if (!(lflag & LS_SHORT_VIEW0x0002)) { |
| 837 | u_int m = 0, width = 80; |
| 838 | struct winsize ws; |
| 839 | char *tmp; |
| 840 | |
| 841 | /* Count entries for sort and find longest filename */ |
| 842 | for (n = 0; d[n] != NULL((void *)0); n++) { |
| 843 | if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL0x0080)) |
| 844 | m = MAXIMUM(m, strlen(d[n]->filename))(((m) > (strlen(d[n]->filename))) ? (m) : (strlen(d[n]-> filename))); |
| 845 | } |
| 846 | |
| 847 | /* Add any subpath that also needs to be counted */ |
| 848 | tmp = path_strip(path, strip_path); |
| 849 | m += strlen(tmp); |
| 850 | free(tmp); |
| 851 | |
| 852 | if (ioctl(fileno(stdin)(!__isthreaded ? (((&__sF[0]))->_file) : (fileno)((& __sF[0]))), TIOCGWINSZ((unsigned long)0x40000000 | ((sizeof(struct winsize) & 0x1fff ) << 16) | ((('t')) << 8) | ((104))), &ws) != -1) |
| 853 | width = ws.ws_col; |
| 854 | |
| 855 | columns = width / (m + 2); |
| 856 | columns = MAXIMUM(columns, 1)(((columns) > (1)) ? (columns) : (1)); |
| 857 | colspace = width / columns; |
| 858 | colspace = MINIMUM(colspace, width)(((colspace) < (width)) ? (colspace) : (width)); |
| 859 | } |
| 860 | |
| 861 | if (lflag & SORT_FLAGS(0x0008|0x0010|0x0020)) { |
| 862 | for (n = 0; d[n] != NULL((void *)0); n++) |
| 863 | ; /* count entries */ |
| 864 | sort_flag = lflag & (SORT_FLAGS(0x0008|0x0010|0x0020)|LS_REVERSE_SORT0x0040); |
| 865 | qsort(d, n, sizeof(*d), sdirent_comp); |
| 866 | } |
| 867 | |
| 868 | get_remote_user_groups_from_dirents(conn, d); |
| 869 | for (n = 0; d[n] != NULL((void *)0) && !interrupted; n++) { |
| 870 | char *tmp, *fname; |
| 871 | |
| 872 | if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL0x0080)) |
| 873 | continue; |
| 874 | |
| 875 | tmp = sftp_path_append(path, d[n]->filename); |
| 876 | fname = path_strip(tmp, strip_path); |
| 877 | free(tmp); |
| 878 | |
| 879 | if (lflag & LS_LONG_VIEW0x0001) { |
| 880 | if ((lflag & (LS_NUMERIC_VIEW0x0004|LS_SI_UNITS0x0100)) != 0 || |
| 881 | sftp_can_get_users_groups_by_id(conn)) { |
| 882 | char *lname; |
| 883 | struct stat sb; |
| 884 | |
| 885 | memset(&sb, 0, sizeof(sb)); |
| 886 | attrib_to_stat(&d[n]->a, &sb); |
| 887 | lname = ls_file(fname, &sb, 1, |
| 888 | (lflag & LS_SI_UNITS0x0100), |
| 889 | ruser_name(sb.st_uid), |
| 890 | rgroup_name(sb.st_gid)); |
| 891 | mprintf("%s\n", lname); |
| 892 | free(lname); |
| 893 | } else |
| 894 | mprintf("%s\n", d[n]->longname); |
| 895 | } else { |
| 896 | mprintf("%-*s", colspace, fname); |
| 897 | if (c >= columns) { |
| 898 | printf("\n"); |
| 899 | c = 1; |
| 900 | } else |
| 901 | c++; |
| 902 | } |
| 903 | |
| 904 | free(fname); |
| 905 | } |
| 906 | |
| 907 | if (!(lflag & LS_LONG_VIEW0x0001) && (c != 1)) |
| 908 | printf("\n"); |
| 909 | |
| 910 | sftp_free_dirents(d); |
| 911 | return (0); |
| 912 | } |
| 913 | |
| 914 | static int |
| 915 | sglob_comp(const void *aa, const void *bb) |
| 916 | { |
| 917 | u_int a = *(const u_int *)aa; |
| 918 | u_int b = *(const u_int *)bb; |
| 919 | const char *ap = sort_glob->gl_pathv[a]; |
| 920 | const char *bp = sort_glob->gl_pathv[b]; |
| 921 | const struct stat *as = sort_glob->gl_statv[a]; |
| 922 | const struct stat *bs = sort_glob->gl_statv[b]; |
| 923 | int rmul = sort_flag & LS_REVERSE_SORT0x0040 ? -1 : 1; |
| 924 | |
| 925 | #define NCMP(a,b)(a == b ? 0 : (a < b ? 1 : -1)) (a == b ? 0 : (a < b ? 1 : -1)) |
| 926 | if (sort_flag & LS_NAME_SORT0x0008) |
| 927 | return (rmul * strcmp(ap, bp)); |
| 928 | else if (sort_flag & LS_TIME_SORT0x0010) { |
| 929 | if (timespeccmp(&as->st_mtim, &bs->st_mtim, ==)(((&as->st_mtim)->tv_sec == (&bs->st_mtim)-> tv_sec) ? ((&as->st_mtim)->tv_nsec == (&bs-> st_mtim)->tv_nsec) : ((&as->st_mtim)->tv_sec == ( &bs->st_mtim)->tv_sec))) |
| 930 | return 0; |
| 931 | return timespeccmp(&as->st_mtim, &bs->st_mtim, <)(((&as->st_mtim)->tv_sec == (&bs->st_mtim)-> tv_sec) ? ((&as->st_mtim)->tv_nsec < (&bs-> st_mtim)->tv_nsec) : ((&as->st_mtim)->tv_sec < (&bs->st_mtim)->tv_sec)) ? |
| 932 | rmul : -rmul; |
| 933 | } else if (sort_flag & LS_SIZE_SORT0x0020) |
| 934 | return (rmul * NCMP(as->st_size, bs->st_size)(as->st_size == bs->st_size ? 0 : (as->st_size < bs ->st_size ? 1 : -1))); |
| 935 | |
| 936 | fatal("Unknown ls sort type")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 936 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unknown ls sort type"); |
| 937 | } |
| 938 | |
| 939 | /* sftp ls.1 replacement which handles path globs */ |
| 940 | static int |
| 941 | do_globbed_ls(struct sftp_conn *conn, const char *path, |
| 942 | const char *strip_path, int lflag) |
| 943 | { |
| 944 | char *fname, *lname; |
| 945 | glob_t g; |
| 946 | int err, r; |
| 947 | struct winsize ws; |
| 948 | u_int i, j, nentries, *indices = NULL((void *)0), c = 1; |
| 949 | u_int colspace = 0, columns = 1, m = 0, width = 80; |
| 950 | |
| 951 | memset(&g, 0, sizeof(g)); |
| 952 | |
| 953 | if ((r = sftp_glob(conn, path, |
| 954 | GLOB_MARK0x0008|GLOB_NOCHECK0x0010|GLOB_BRACE0x0080|GLOB_KEEPSTAT0x4000|GLOB_NOSORT0x0020, |
| 955 | NULL((void *)0), &g)) != 0 || |
| 956 | (g.gl_pathc && !g.gl_matchc)) { |
| 957 | if (g.gl_pathc) |
| 958 | globfree(&g); |
| 959 | if (r == GLOB_NOSPACE(-1)) { |
| 960 | error("Can't ls: Too many matches for \"%s\"", path)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 960, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Can't ls: Too many matches for \"%s\"" , path); |
| 961 | } else { |
| 962 | error("Can't ls: \"%s\" not found", path)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 962, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Can't ls: \"%s\" not found" , path); |
| 963 | } |
| 964 | return -1; |
| 965 | } |
| 966 | |
| 967 | if (interrupted) |
| 968 | goto out; |
| 969 | |
| 970 | /* |
| 971 | * If the glob returns a single match and it is a directory, |
| 972 | * then just list its contents. |
| 973 | */ |
| 974 | if (g.gl_matchc == 1 && g.gl_statv[0] != NULL((void *)0) && |
| 975 | S_ISDIR(g.gl_statv[0]->st_mode)((g.gl_statv[0]->st_mode & 0170000) == 0040000)) { |
| 976 | err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag); |
| 977 | globfree(&g); |
| 978 | return err; |
| 979 | } |
| 980 | |
| 981 | if (ioctl(fileno(stdin)(!__isthreaded ? (((&__sF[0]))->_file) : (fileno)((& __sF[0]))), TIOCGWINSZ((unsigned long)0x40000000 | ((sizeof(struct winsize) & 0x1fff ) << 16) | ((('t')) << 8) | ((104))), &ws) != -1) |
| 982 | width = ws.ws_col; |
| 983 | |
| 984 | if (!(lflag & LS_SHORT_VIEW0x0002)) { |
| 985 | /* Count entries for sort and find longest filename */ |
| 986 | for (i = 0; g.gl_pathv[i]; i++) |
| 987 | m = MAXIMUM(m, strlen(g.gl_pathv[i]))(((m) > (strlen(g.gl_pathv[i]))) ? (m) : (strlen(g.gl_pathv [i]))); |
| 988 | |
| 989 | columns = width / (m + 2); |
| 990 | columns = MAXIMUM(columns, 1)(((columns) > (1)) ? (columns) : (1)); |
| 991 | colspace = width / columns; |
| 992 | } |
| 993 | |
| 994 | /* |
| 995 | * Sorting: rather than mess with the contents of glob_t, prepare |
| 996 | * an array of indices into it and sort that. For the usual |
| 997 | * unsorted case, the indices are just the identity 1=1, 2=2, etc. |
| 998 | */ |
| 999 | for (nentries = 0; g.gl_pathv[nentries] != NULL((void *)0); nentries++) |
| 1000 | ; /* count entries */ |
| 1001 | indices = xcalloc(nentries, sizeof(*indices)); |
| 1002 | for (i = 0; i < nentries; i++) |
| 1003 | indices[i] = i; |
| 1004 | |
| 1005 | if (lflag & SORT_FLAGS(0x0008|0x0010|0x0020)) { |
| 1006 | sort_glob = &g; |
| 1007 | sort_flag = lflag & (SORT_FLAGS(0x0008|0x0010|0x0020)|LS_REVERSE_SORT0x0040); |
| 1008 | qsort(indices, nentries, sizeof(*indices), sglob_comp); |
| 1009 | sort_glob = NULL((void *)0); |
| 1010 | } |
| 1011 | |
| 1012 | get_remote_user_groups_from_glob(conn, &g); |
| 1013 | for (j = 0; j < nentries && !interrupted; j++) { |
| 1014 | i = indices[j]; |
| 1015 | fname = path_strip(g.gl_pathv[i], strip_path); |
| 1016 | if (lflag & LS_LONG_VIEW0x0001) { |
| 1017 | if (g.gl_statv[i] == NULL((void *)0)) { |
| 1018 | error("no stat information for %s", fname)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1018, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "no stat information for %s" , fname); |
| 1019 | free(fname); |
| 1020 | continue; |
| 1021 | } |
| 1022 | lname = ls_file(fname, g.gl_statv[i], 1, |
| 1023 | (lflag & LS_SI_UNITS0x0100), |
| 1024 | ruser_name(g.gl_statv[i]->st_uid), |
| 1025 | rgroup_name(g.gl_statv[i]->st_gid)); |
| 1026 | mprintf("%s\n", lname); |
| 1027 | free(lname); |
| 1028 | } else { |
| 1029 | mprintf("%-*s", colspace, fname); |
| 1030 | if (c >= columns) { |
| 1031 | printf("\n"); |
| 1032 | c = 1; |
| 1033 | } else |
| 1034 | c++; |
| 1035 | } |
| 1036 | free(fname); |
| 1037 | } |
| 1038 | |
| 1039 | if (!(lflag & LS_LONG_VIEW0x0001) && (c != 1)) |
| 1040 | printf("\n"); |
| 1041 | |
| 1042 | out: |
| 1043 | if (g.gl_pathc) |
| 1044 | globfree(&g); |
| 1045 | free(indices); |
| 1046 | |
| 1047 | return 0; |
| 1048 | } |
| 1049 | |
| 1050 | static int |
| 1051 | do_df(struct sftp_conn *conn, const char *path, int hflag, int iflag) |
| 1052 | { |
| 1053 | struct sftp_statvfs st; |
| 1054 | char s_used[FMT_SCALED_STRSIZE7], s_avail[FMT_SCALED_STRSIZE7]; |
| 1055 | char s_root[FMT_SCALED_STRSIZE7], s_total[FMT_SCALED_STRSIZE7]; |
| 1056 | char s_icapacity[16], s_dcapacity[16]; |
| 1057 | |
| 1058 | if (sftp_statvfs(conn, path, &st, 1) == -1) |
| 1059 | return -1; |
| 1060 | if (st.f_files == 0) |
| 1061 | strlcpy(s_icapacity, "ERR", sizeof(s_icapacity)); |
| 1062 | else { |
| 1063 | snprintf(s_icapacity, sizeof(s_icapacity), "%3llu%%", |
| 1064 | (unsigned long long)(100 * (st.f_files - st.f_ffree) / |
| 1065 | st.f_files)); |
| 1066 | } |
| 1067 | if (st.f_blocks == 0) |
| 1068 | strlcpy(s_dcapacity, "ERR", sizeof(s_dcapacity)); |
| 1069 | else { |
| 1070 | snprintf(s_dcapacity, sizeof(s_dcapacity), "%3llu%%", |
| 1071 | (unsigned long long)(100 * (st.f_blocks - st.f_bfree) / |
| 1072 | st.f_blocks)); |
| 1073 | } |
| 1074 | if (iflag) { |
| 1075 | printf(" Inodes Used Avail " |
| 1076 | "(root) %%Capacity\n"); |
| 1077 | printf("%11llu %11llu %11llu %11llu %s\n", |
| 1078 | (unsigned long long)st.f_files, |
| 1079 | (unsigned long long)(st.f_files - st.f_ffree), |
| 1080 | (unsigned long long)st.f_favail, |
| 1081 | (unsigned long long)st.f_ffree, s_icapacity); |
| 1082 | } else if (hflag) { |
| 1083 | strlcpy(s_used, "error", sizeof(s_used)); |
| 1084 | strlcpy(s_avail, "error", sizeof(s_avail)); |
| 1085 | strlcpy(s_root, "error", sizeof(s_root)); |
| 1086 | strlcpy(s_total, "error", sizeof(s_total)); |
| 1087 | fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used); |
| 1088 | fmt_scaled(st.f_bavail * st.f_frsize, s_avail); |
| 1089 | fmt_scaled(st.f_bfree * st.f_frsize, s_root); |
| 1090 | fmt_scaled(st.f_blocks * st.f_frsize, s_total); |
| 1091 | printf(" Size Used Avail (root) %%Capacity\n"); |
| 1092 | printf("%7sB %7sB %7sB %7sB %s\n", |
| 1093 | s_total, s_used, s_avail, s_root, s_dcapacity); |
| 1094 | } else { |
| 1095 | printf(" Size Used Avail " |
| 1096 | "(root) %%Capacity\n"); |
| 1097 | printf("%12llu %12llu %12llu %12llu %s\n", |
| 1098 | (unsigned long long)(st.f_frsize * st.f_blocks / 1024), |
| 1099 | (unsigned long long)(st.f_frsize * |
| 1100 | (st.f_blocks - st.f_bfree) / 1024), |
| 1101 | (unsigned long long)(st.f_frsize * st.f_bavail / 1024), |
| 1102 | (unsigned long long)(st.f_frsize * st.f_bfree / 1024), |
| 1103 | s_dcapacity); |
| 1104 | } |
| 1105 | return 0; |
| 1106 | } |
| 1107 | |
| 1108 | /* |
| 1109 | * Undo escaping of glob sequences in place. Used to undo extra escaping |
| 1110 | * applied in makeargv() when the string is destined for a function that |
| 1111 | * does not glob it. |
| 1112 | */ |
| 1113 | static void |
| 1114 | undo_glob_escape(char *s) |
| 1115 | { |
| 1116 | size_t i, j; |
| 1117 | |
| 1118 | for (i = j = 0;;) { |
| 1119 | if (s[i] == '\0') { |
| 1120 | s[j] = '\0'; |
| 1121 | return; |
| 1122 | } |
| 1123 | if (s[i] != '\\') { |
| 1124 | s[j++] = s[i++]; |
| 1125 | continue; |
| 1126 | } |
| 1127 | /* s[i] == '\\' */ |
| 1128 | ++i; |
| 1129 | switch (s[i]) { |
| 1130 | case '?': |
| 1131 | case '[': |
| 1132 | case '*': |
| 1133 | case '\\': |
| 1134 | s[j++] = s[i++]; |
| 1135 | break; |
| 1136 | case '\0': |
| 1137 | s[j++] = '\\'; |
| 1138 | s[j] = '\0'; |
| 1139 | return; |
| 1140 | default: |
| 1141 | s[j++] = '\\'; |
| 1142 | s[j++] = s[i++]; |
| 1143 | break; |
| 1144 | } |
| 1145 | } |
| 1146 | } |
| 1147 | |
| 1148 | /* |
| 1149 | * Split a string into an argument vector using sh(1)-style quoting, |
| 1150 | * comment and escaping rules, but with some tweaks to handle glob(3) |
| 1151 | * wildcards. |
| 1152 | * The "sloppy" flag allows for recovery from missing terminating quote, for |
| 1153 | * use in parsing incomplete commandlines during tab autocompletion. |
| 1154 | * |
| 1155 | * Returns NULL on error or a NULL-terminated array of arguments. |
| 1156 | * |
| 1157 | * If "lastquote" is not NULL, the quoting character used for the last |
| 1158 | * argument is placed in *lastquote ("\0", "'" or "\""). |
| 1159 | * |
| 1160 | * If "terminated" is not NULL, *terminated will be set to 1 when the |
| 1161 | * last argument's quote has been properly terminated or 0 otherwise. |
| 1162 | * This parameter is only of use if "sloppy" is set. |
| 1163 | */ |
| 1164 | #define MAXARGS128 128 |
| 1165 | #define MAXARGLEN8192 8192 |
| 1166 | static char ** |
| 1167 | makeargv(const char *arg, int *argcp, int sloppy, char *lastquote, |
| 1168 | u_int *terminated) |
| 1169 | { |
| 1170 | int argc, quot; |
| 1171 | size_t i, j; |
| 1172 | static char argvs[MAXARGLEN8192]; |
| 1173 | static char *argv[MAXARGS128 + 1]; |
| 1174 | enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q; |
| 1175 | |
| 1176 | *argcp = argc = 0; |
| 1177 | if (strlen(arg) > sizeof(argvs) - 1) { |
| 1178 | args_too_longs: |
| 1179 | error("string too long")sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1179, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "string too long"); |
| 1180 | return NULL((void *)0); |
| 1181 | } |
| 1182 | if (terminated != NULL((void *)0)) |
| 1183 | *terminated = 1; |
| 1184 | if (lastquote != NULL((void *)0)) |
| 1185 | *lastquote = '\0'; |
| 1186 | state = MA_START; |
| 1187 | i = j = 0; |
| 1188 | for (;;) { |
| 1189 | if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){ |
| 1190 | error("Too many arguments.")sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1190, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Too many arguments."); |
| 1191 | return NULL((void *)0); |
| 1192 | } |
| 1193 | if (isspace((unsigned char)arg[i])) { |
| 1194 | if (state == MA_UNQUOTED) { |
| 1195 | /* Terminate current argument */ |
| 1196 | argvs[j++] = '\0'; |
| 1197 | argc++; |
| 1198 | state = MA_START; |
| 1199 | } else if (state != MA_START) |
| 1200 | argvs[j++] = arg[i]; |
| 1201 | } else if (arg[i] == '"' || arg[i] == '\'') { |
| 1202 | q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE; |
| 1203 | if (state == MA_START) { |
| 1204 | argv[argc] = argvs + j; |
| 1205 | state = q; |
| 1206 | if (lastquote != NULL((void *)0)) |
| 1207 | *lastquote = arg[i]; |
| 1208 | } else if (state == MA_UNQUOTED) |
| 1209 | state = q; |
| 1210 | else if (state == q) |
| 1211 | state = MA_UNQUOTED; |
| 1212 | else |
| 1213 | argvs[j++] = arg[i]; |
| 1214 | } else if (arg[i] == '\\') { |
| 1215 | if (state == MA_SQUOTE || state == MA_DQUOTE) { |
| 1216 | quot = state == MA_SQUOTE ? '\'' : '"'; |
| 1217 | /* Unescape quote we are in */ |
| 1218 | /* XXX support \n and friends? */ |
| 1219 | if (arg[i + 1] == quot) { |
| 1220 | i++; |
| 1221 | argvs[j++] = arg[i]; |
| 1222 | } else if (arg[i + 1] == '?' || |
| 1223 | arg[i + 1] == '[' || arg[i + 1] == '*') { |
| 1224 | /* |
| 1225 | * Special case for sftp: append |
| 1226 | * double-escaped glob sequence - |
| 1227 | * glob will undo one level of |
| 1228 | * escaping. NB. string can grow here. |
| 1229 | */ |
| 1230 | if (j >= sizeof(argvs) - 5) |
| 1231 | goto args_too_longs; |
| 1232 | argvs[j++] = '\\'; |
| 1233 | argvs[j++] = arg[i++]; |
| 1234 | argvs[j++] = '\\'; |
| 1235 | argvs[j++] = arg[i]; |
| 1236 | } else { |
| 1237 | argvs[j++] = arg[i++]; |
| 1238 | argvs[j++] = arg[i]; |
| 1239 | } |
| 1240 | } else { |
| 1241 | if (state == MA_START) { |
| 1242 | argv[argc] = argvs + j; |
| 1243 | state = MA_UNQUOTED; |
| 1244 | if (lastquote != NULL((void *)0)) |
| 1245 | *lastquote = '\0'; |
| 1246 | } |
| 1247 | if (arg[i + 1] == '?' || arg[i + 1] == '[' || |
| 1248 | arg[i + 1] == '*' || arg[i + 1] == '\\') { |
| 1249 | /* |
| 1250 | * Special case for sftp: append |
| 1251 | * escaped glob sequence - |
| 1252 | * glob will undo one level of |
| 1253 | * escaping. |
| 1254 | */ |
| 1255 | argvs[j++] = arg[i++]; |
| 1256 | argvs[j++] = arg[i]; |
| 1257 | } else { |
| 1258 | /* Unescape everything */ |
| 1259 | /* XXX support \n and friends? */ |
| 1260 | i++; |
| 1261 | argvs[j++] = arg[i]; |
| 1262 | } |
| 1263 | } |
| 1264 | } else if (arg[i] == '#') { |
| 1265 | if (state == MA_SQUOTE || state == MA_DQUOTE) |
| 1266 | argvs[j++] = arg[i]; |
| 1267 | else |
| 1268 | goto string_done; |
| 1269 | } else if (arg[i] == '\0') { |
| 1270 | if (state == MA_SQUOTE || state == MA_DQUOTE) { |
| 1271 | if (sloppy) { |
| 1272 | state = MA_UNQUOTED; |
| 1273 | if (terminated != NULL((void *)0)) |
| 1274 | *terminated = 0; |
| 1275 | goto string_done; |
| 1276 | } |
| 1277 | error("Unterminated quoted argument")sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1277, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Unterminated quoted argument" ); |
| 1278 | return NULL((void *)0); |
| 1279 | } |
| 1280 | string_done: |
| 1281 | if (state == MA_UNQUOTED) { |
| 1282 | argvs[j++] = '\0'; |
| 1283 | argc++; |
| 1284 | } |
| 1285 | break; |
| 1286 | } else { |
| 1287 | if (state == MA_START) { |
| 1288 | argv[argc] = argvs + j; |
| 1289 | state = MA_UNQUOTED; |
| 1290 | if (lastquote != NULL((void *)0)) |
| 1291 | *lastquote = '\0'; |
| 1292 | } |
| 1293 | if ((state == MA_SQUOTE || state == MA_DQUOTE) && |
| 1294 | (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) { |
| 1295 | /* |
| 1296 | * Special case for sftp: escape quoted |
| 1297 | * glob(3) wildcards. NB. string can grow |
| 1298 | * here. |
| 1299 | */ |
| 1300 | if (j >= sizeof(argvs) - 3) |
| 1301 | goto args_too_longs; |
| 1302 | argvs[j++] = '\\'; |
| 1303 | argvs[j++] = arg[i]; |
| 1304 | } else |
| 1305 | argvs[j++] = arg[i]; |
| 1306 | } |
| 1307 | i++; |
| 1308 | } |
| 1309 | *argcp = argc; |
| 1310 | return argv; |
| 1311 | } |
| 1312 | |
| 1313 | static int |
| 1314 | parse_args(const char **cpp, int *ignore_errors, int *disable_echo, int *aflag, |
| 1315 | int *fflag, int *hflag, int *iflag, int *lflag, int *pflag, |
| 1316 | int *rflag, int *sflag, |
| 1317 | unsigned long *n_arg, char **path1, char **path2) |
| 1318 | { |
| 1319 | const char *cmd, *cp = *cpp; |
| 1320 | char *cp2, **argv; |
| 1321 | int base = 0; |
| 1322 | long long ll; |
| 1323 | int path1_mandatory = 0, i, cmdnum, optidx, argc; |
| 1324 | |
| 1325 | /* Skip leading whitespace */ |
| 1326 | cp = cp + strspn(cp, WHITESPACE" \t\r\n"); |
| 1327 | |
| 1328 | /* |
| 1329 | * Check for leading '-' (disable error processing) and '@' (suppress |
| 1330 | * command echo) |
| 1331 | */ |
| 1332 | *ignore_errors = 0; |
| 1333 | *disable_echo = 0; |
| 1334 | for (;*cp != '\0'; cp++) { |
| 1335 | if (*cp == '-') { |
| 1336 | *ignore_errors = 1; |
| 1337 | } else if (*cp == '@') { |
| 1338 | *disable_echo = 1; |
| 1339 | } else { |
| 1340 | /* all other characters terminate prefix processing */ |
| 1341 | break; |
| 1342 | } |
| 1343 | } |
| 1344 | cp = cp + strspn(cp, WHITESPACE" \t\r\n"); |
| 1345 | |
| 1346 | /* Ignore blank lines and lines which begin with comment '#' char */ |
| 1347 | if (*cp == '\0' || *cp == '#') |
| 1348 | return (0); |
| 1349 | |
| 1350 | if ((argv = makeargv(cp, &argc, 0, NULL((void *)0), NULL((void *)0))) == NULL((void *)0)) |
| 1351 | return -1; |
| 1352 | |
| 1353 | /* Figure out which command we have */ |
| 1354 | for (i = 0; cmds[i].c != NULL((void *)0); i++) { |
| 1355 | if (argv[0] != NULL((void *)0) && strcasecmp(cmds[i].c, argv[0]) == 0) |
| 1356 | break; |
| 1357 | } |
| 1358 | cmdnum = cmds[i].n; |
| 1359 | cmd = cmds[i].c; |
| 1360 | |
| 1361 | /* Special case */ |
| 1362 | if (*cp == '!') { |
| 1363 | cp++; |
| 1364 | cmdnum = I_SHELL; |
| 1365 | } else if (cmdnum == -1) { |
| 1366 | error("Invalid command.")sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1366, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Invalid command."); |
| 1367 | return -1; |
| 1368 | } |
| 1369 | |
| 1370 | /* Get arguments and parse flags */ |
| 1371 | *aflag = *fflag = *hflag = *iflag = *lflag = *pflag = 0; |
| 1372 | *rflag = *sflag = 0; |
| 1373 | *path1 = *path2 = NULL((void *)0); |
| 1374 | optidx = 1; |
| 1375 | switch (cmdnum) { |
| 1376 | case I_GET: |
| 1377 | case I_REGET: |
| 1378 | case I_REPUT: |
| 1379 | case I_PUT: |
| 1380 | if ((optidx = parse_getput_flags(cmd, argv, argc, |
| 1381 | aflag, fflag, pflag, rflag)) == -1) |
| 1382 | return -1; |
| 1383 | /* Get first pathname (mandatory) */ |
| 1384 | if (argc - optidx < 1) { |
| 1385 | error("You must specify at least one path after a "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1386, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must specify at least one path after a " "%s command.", cmd) |
| 1386 | "%s command.", cmd)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1386, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must specify at least one path after a " "%s command.", cmd); |
| 1387 | return -1; |
| 1388 | } |
| 1389 | *path1 = xstrdup(argv[optidx]); |
| 1390 | /* Get second pathname (optional) */ |
| 1391 | if (argc - optidx > 1) { |
| 1392 | *path2 = xstrdup(argv[optidx + 1]); |
| 1393 | /* Destination is not globbed */ |
| 1394 | undo_glob_escape(*path2); |
| 1395 | } |
| 1396 | break; |
| 1397 | case I_LINK: |
| 1398 | if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1) |
| 1399 | return -1; |
| 1400 | goto parse_two_paths; |
| 1401 | case I_COPY: |
| 1402 | if ((optidx = parse_no_flags(cmd, argv, argc)) == -1) |
| 1403 | return -1; |
| 1404 | goto parse_two_paths; |
| 1405 | case I_RENAME: |
| 1406 | if ((optidx = parse_rename_flags(cmd, argv, argc, lflag)) == -1) |
| 1407 | return -1; |
| 1408 | goto parse_two_paths; |
| 1409 | case I_SYMLINK: |
| 1410 | if ((optidx = parse_no_flags(cmd, argv, argc)) == -1) |
| 1411 | return -1; |
| 1412 | parse_two_paths: |
| 1413 | if (argc - optidx < 2) { |
| 1414 | error("You must specify two paths after a %s "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1415, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must specify two paths after a %s " "command.", cmd) |
| 1415 | "command.", cmd)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1415, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must specify two paths after a %s " "command.", cmd); |
| 1416 | return -1; |
| 1417 | } |
| 1418 | *path1 = xstrdup(argv[optidx]); |
| 1419 | *path2 = xstrdup(argv[optidx + 1]); |
| 1420 | /* Paths are not globbed */ |
| 1421 | undo_glob_escape(*path1); |
| 1422 | undo_glob_escape(*path2); |
| 1423 | break; |
| 1424 | case I_RM: |
| 1425 | case I_MKDIR: |
| 1426 | case I_RMDIR: |
| 1427 | case I_LMKDIR: |
| 1428 | path1_mandatory = 1; |
| 1429 | /* FALLTHROUGH */ |
| 1430 | case I_CHDIR: |
| 1431 | case I_LCHDIR: |
| 1432 | if ((optidx = parse_no_flags(cmd, argv, argc)) == -1) |
| 1433 | return -1; |
| 1434 | /* Get pathname (mandatory) */ |
| 1435 | if (argc - optidx < 1) { |
| 1436 | if (!path1_mandatory) |
| 1437 | break; /* return a NULL path1 */ |
| 1438 | error("You must specify a path after a %s command.",sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1439, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must specify a path after a %s command." , cmd) |
| 1439 | cmd)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1439, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must specify a path after a %s command." , cmd); |
| 1440 | return -1; |
| 1441 | } |
| 1442 | *path1 = xstrdup(argv[optidx]); |
| 1443 | /* Only "rm" globs */ |
| 1444 | if (cmdnum != I_RM) |
| 1445 | undo_glob_escape(*path1); |
| 1446 | break; |
| 1447 | case I_DF: |
| 1448 | if ((optidx = parse_df_flags(cmd, argv, argc, hflag, |
| 1449 | iflag)) == -1) |
| 1450 | return -1; |
| 1451 | /* Default to current directory if no path specified */ |
| 1452 | if (argc - optidx < 1) |
| 1453 | *path1 = NULL((void *)0); |
| 1454 | else { |
| 1455 | *path1 = xstrdup(argv[optidx]); |
| 1456 | undo_glob_escape(*path1); |
| 1457 | } |
| 1458 | break; |
| 1459 | case I_LS: |
| 1460 | if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1) |
| 1461 | return(-1); |
| 1462 | /* Path is optional */ |
| 1463 | if (argc - optidx > 0) |
| 1464 | *path1 = xstrdup(argv[optidx]); |
| 1465 | break; |
| 1466 | case I_LLS: |
| 1467 | /* Skip ls command and following whitespace */ |
| 1468 | cp = cp + strlen(cmd) + strspn(cp, WHITESPACE" \t\r\n"); |
| 1469 | case I_SHELL: |
| 1470 | /* Uses the rest of the line */ |
| 1471 | break; |
| 1472 | case I_LUMASK: |
| 1473 | case I_CHMOD: |
| 1474 | base = 8; |
| 1475 | /* FALLTHROUGH */ |
| 1476 | case I_CHOWN: |
| 1477 | case I_CHGRP: |
| 1478 | if ((optidx = parse_ch_flags(cmd, argv, argc, hflag)) == -1) |
| 1479 | return -1; |
| 1480 | /* Get numeric arg (mandatory) */ |
| 1481 | if (argc - optidx < 1) |
| 1482 | goto need_num_arg; |
| 1483 | errno(*__errno()) = 0; |
| 1484 | ll = strtoll(argv[optidx], &cp2, base); |
| 1485 | if (cp2 == argv[optidx] || *cp2 != '\0' || |
| 1486 | ((ll == LLONG_MIN(-0x7fffffffffffffffLL-1) || ll == LLONG_MAX0x7fffffffffffffffLL) && errno(*__errno()) == ERANGE34) || |
| 1487 | ll < 0 || ll > UINT32_MAX0xffffffffU) { |
| 1488 | need_num_arg: |
| 1489 | error("You must supply a numeric argument "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1490, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must supply a numeric argument " "to the %s command.", cmd) |
| 1490 | "to the %s command.", cmd)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1490, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must supply a numeric argument " "to the %s command.", cmd); |
| 1491 | return -1; |
| 1492 | } |
| 1493 | *n_arg = ll; |
| 1494 | if (cmdnum == I_LUMASK) |
| 1495 | break; |
| 1496 | /* Get pathname (mandatory) */ |
| 1497 | if (argc - optidx < 2) { |
| 1498 | error("You must specify a path after a %s command.",sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1499, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must specify a path after a %s command." , cmd) |
| 1499 | cmd)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1499, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must specify a path after a %s command." , cmd); |
| 1500 | return -1; |
| 1501 | } |
| 1502 | *path1 = xstrdup(argv[optidx + 1]); |
| 1503 | break; |
| 1504 | case I_QUIT: |
| 1505 | case I_PWD: |
| 1506 | case I_LPWD: |
| 1507 | case I_HELP: |
| 1508 | case I_VERSION: |
| 1509 | case I_PROGRESS: |
| 1510 | if ((optidx = parse_no_flags(cmd, argv, argc)) == -1) |
Although the value stored to 'optidx' is used in the enclosing expression, the value is never actually read from 'optidx' | |
| 1511 | return -1; |
| 1512 | break; |
| 1513 | default: |
| 1514 | fatal("Command not implemented")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1514 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Command not implemented" ); |
| 1515 | } |
| 1516 | |
| 1517 | *cpp = cp; |
| 1518 | return(cmdnum); |
| 1519 | } |
| 1520 | |
| 1521 | static int |
| 1522 | parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd, |
| 1523 | const char *startdir, int err_abort, int echo_command) |
| 1524 | { |
| 1525 | const char *ocmd = cmd; |
| 1526 | char *path1, *path2, *tmp; |
| 1527 | int ignore_errors = 0, disable_echo = 1; |
| 1528 | int aflag = 0, fflag = 0, hflag = 0, iflag = 0; |
| 1529 | int lflag = 0, pflag = 0, rflag = 0, sflag = 0; |
| 1530 | int cmdnum, i; |
| 1531 | unsigned long n_arg = 0; |
| 1532 | Attrib a, aa; |
| 1533 | char path_buf[PATH_MAX1024]; |
| 1534 | int err = 0; |
| 1535 | glob_t g; |
| 1536 | |
| 1537 | path1 = path2 = NULL((void *)0); |
| 1538 | cmdnum = parse_args(&cmd, &ignore_errors, &disable_echo, &aflag, &fflag, |
| 1539 | &hflag, &iflag, &lflag, &pflag, &rflag, &sflag, &n_arg, |
| 1540 | &path1, &path2); |
| 1541 | if (ignore_errors != 0) |
| 1542 | err_abort = 0; |
| 1543 | |
| 1544 | if (echo_command && !disable_echo) |
| 1545 | mprintf("sftp> %s\n", ocmd); |
| 1546 | |
| 1547 | memset(&g, 0, sizeof(g)); |
| 1548 | |
| 1549 | /* Perform command */ |
| 1550 | switch (cmdnum) { |
| 1551 | case 0: |
| 1552 | /* Blank line */ |
| 1553 | break; |
| 1554 | case -1: |
| 1555 | /* Unrecognized command */ |
| 1556 | err = -1; |
| 1557 | break; |
| 1558 | case I_REGET: |
| 1559 | aflag = 1; |
| 1560 | /* FALLTHROUGH */ |
| 1561 | case I_GET: |
| 1562 | err = process_get(conn, path1, path2, *pwd, pflag, |
| 1563 | rflag, aflag, fflag); |
| 1564 | break; |
| 1565 | case I_REPUT: |
| 1566 | aflag = 1; |
| 1567 | /* FALLTHROUGH */ |
| 1568 | case I_PUT: |
| 1569 | err = process_put(conn, path1, path2, *pwd, pflag, |
| 1570 | rflag, aflag, fflag); |
| 1571 | break; |
| 1572 | case I_COPY: |
| 1573 | path1 = sftp_make_absolute(path1, *pwd); |
| 1574 | path2 = sftp_make_absolute(path2, *pwd); |
| 1575 | err = sftp_copy(conn, path1, path2); |
| 1576 | break; |
| 1577 | case I_RENAME: |
| 1578 | path1 = sftp_make_absolute(path1, *pwd); |
| 1579 | path2 = sftp_make_absolute(path2, *pwd); |
| 1580 | err = sftp_rename(conn, path1, path2, lflag); |
| 1581 | break; |
| 1582 | case I_SYMLINK: |
| 1583 | sflag = 1; |
| 1584 | /* FALLTHROUGH */ |
| 1585 | case I_LINK: |
| 1586 | if (!sflag) |
| 1587 | path1 = sftp_make_absolute(path1, *pwd); |
| 1588 | path2 = sftp_make_absolute(path2, *pwd); |
| 1589 | err = (sflag ? sftp_symlink : sftp_hardlink)(conn, |
| 1590 | path1, path2); |
| 1591 | break; |
| 1592 | case I_RM: |
| 1593 | path1 = make_absolute_pwd_glob(path1, *pwd); |
| 1594 | sftp_glob(conn, path1, GLOB_NOCHECK0x0010, NULL((void *)0), &g); |
| 1595 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
| 1596 | if (!quiet) |
| 1597 | mprintf("Removing %s\n", g.gl_pathv[i]); |
| 1598 | err = sftp_rm(conn, g.gl_pathv[i]); |
| 1599 | if (err != 0 && err_abort) |
| 1600 | break; |
| 1601 | } |
| 1602 | break; |
| 1603 | case I_MKDIR: |
| 1604 | path1 = sftp_make_absolute(path1, *pwd); |
| 1605 | attrib_clear(&a); |
| 1606 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS0x00000004; |
| 1607 | a.perm = 0777; |
| 1608 | err = sftp_mkdir(conn, path1, &a, 1); |
| 1609 | break; |
| 1610 | case I_RMDIR: |
| 1611 | path1 = sftp_make_absolute(path1, *pwd); |
| 1612 | err = sftp_rmdir(conn, path1); |
| 1613 | break; |
| 1614 | case I_CHDIR: |
| 1615 | if (path1 == NULL((void *)0) || *path1 == '\0') |
| 1616 | path1 = xstrdup(startdir); |
| 1617 | path1 = sftp_make_absolute(path1, *pwd); |
| 1618 | if ((tmp = sftp_realpath(conn, path1)) == NULL((void *)0)) { |
| 1619 | err = 1; |
| 1620 | break; |
| 1621 | } |
| 1622 | if (sftp_stat(conn, tmp, 0, &aa) != 0) { |
| 1623 | free(tmp); |
| 1624 | err = 1; |
| 1625 | break; |
| 1626 | } |
| 1627 | if (!(aa.flags & SSH2_FILEXFER_ATTR_PERMISSIONS0x00000004)) { |
| 1628 | error("Can't change directory: Can't check target")sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1628, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't change directory: Can't check target" ); |
| 1629 | free(tmp); |
| 1630 | err = 1; |
| 1631 | break; |
| 1632 | } |
| 1633 | if (!S_ISDIR(aa.perm)((aa.perm & 0170000) == 0040000)) { |
| 1634 | error("Can't change directory: \"%s\" is not "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1635, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't change directory: \"%s\" is not " "a directory", tmp) |
| 1635 | "a directory", tmp)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1635, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't change directory: \"%s\" is not " "a directory", tmp); |
| 1636 | free(tmp); |
| 1637 | err = 1; |
| 1638 | break; |
| 1639 | } |
| 1640 | free(*pwd); |
| 1641 | *pwd = tmp; |
| 1642 | break; |
| 1643 | case I_LS: |
| 1644 | if (!path1) { |
| 1645 | do_ls_dir(conn, *pwd, *pwd, lflag); |
| 1646 | break; |
| 1647 | } |
| 1648 | |
| 1649 | /* Strip pwd off beginning of non-absolute paths */ |
| 1650 | tmp = NULL((void *)0); |
| 1651 | if (!path_absolute(path1)) |
| 1652 | tmp = *pwd; |
| 1653 | |
| 1654 | path1 = make_absolute_pwd_glob(path1, *pwd); |
| 1655 | err = do_globbed_ls(conn, path1, tmp, lflag); |
| 1656 | break; |
| 1657 | case I_DF: |
| 1658 | /* Default to current directory if no path specified */ |
| 1659 | if (path1 == NULL((void *)0)) |
| 1660 | path1 = xstrdup(*pwd); |
| 1661 | path1 = sftp_make_absolute(path1, *pwd); |
| 1662 | err = do_df(conn, path1, hflag, iflag); |
| 1663 | break; |
| 1664 | case I_LCHDIR: |
| 1665 | if (path1 == NULL((void *)0) || *path1 == '\0') |
| 1666 | path1 = xstrdup("~"); |
| 1667 | tmp = tilde_expand_filename(path1, getuid()); |
| 1668 | free(path1); |
| 1669 | path1 = tmp; |
| 1670 | if (chdir(path1) == -1) { |
| 1671 | error("Couldn't change local directory to "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1672, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Couldn't change local directory to " "\"%s\": %s", path1, strerror((*__errno()))) |
| 1672 | "\"%s\": %s", path1, strerror(errno))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1672, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Couldn't change local directory to " "\"%s\": %s", path1, strerror((*__errno()))); |
| 1673 | err = 1; |
| 1674 | } |
| 1675 | break; |
| 1676 | case I_LMKDIR: |
| 1677 | if (mkdir(path1, 0777) == -1) { |
| 1678 | error("Couldn't create local directory "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1679, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Couldn't create local directory " "\"%s\": %s", path1, strerror((*__errno()))) |
| 1679 | "\"%s\": %s", path1, strerror(errno))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1679, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Couldn't create local directory " "\"%s\": %s", path1, strerror((*__errno()))); |
| 1680 | err = 1; |
| 1681 | } |
| 1682 | break; |
| 1683 | case I_LLS: |
| 1684 | local_do_ls(cmd); |
| 1685 | break; |
| 1686 | case I_SHELL: |
| 1687 | local_do_shell(cmd); |
| 1688 | break; |
| 1689 | case I_LUMASK: |
| 1690 | umask(n_arg); |
| 1691 | printf("Local umask: %03lo\n", n_arg); |
| 1692 | break; |
| 1693 | case I_CHMOD: |
| 1694 | path1 = make_absolute_pwd_glob(path1, *pwd); |
| 1695 | attrib_clear(&a); |
| 1696 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS0x00000004; |
| 1697 | a.perm = n_arg; |
| 1698 | sftp_glob(conn, path1, GLOB_NOCHECK0x0010, NULL((void *)0), &g); |
| 1699 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
| 1700 | if (!quiet) |
| 1701 | mprintf("Changing mode on %s\n", |
| 1702 | g.gl_pathv[i]); |
| 1703 | err = (hflag ? sftp_lsetstat : sftp_setstat)(conn, |
| 1704 | g.gl_pathv[i], &a); |
| 1705 | if (err != 0 && err_abort) |
| 1706 | break; |
| 1707 | } |
| 1708 | break; |
| 1709 | case I_CHOWN: |
| 1710 | case I_CHGRP: |
| 1711 | path1 = make_absolute_pwd_glob(path1, *pwd); |
| 1712 | sftp_glob(conn, path1, GLOB_NOCHECK0x0010, NULL((void *)0), &g); |
| 1713 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
| 1714 | if ((hflag ? sftp_lstat : sftp_stat)(conn, |
| 1715 | g.gl_pathv[i], 0, &aa) != 0) { |
| 1716 | if (err_abort) { |
| 1717 | err = -1; |
| 1718 | break; |
| 1719 | } else |
| 1720 | continue; |
| 1721 | } |
| 1722 | if (!(aa.flags & SSH2_FILEXFER_ATTR_UIDGID0x00000002)) { |
| 1723 | error("Can't get current ownership of "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1724, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't get current ownership of " "remote file \"%s\"", g.gl_pathv[i]) |
| 1724 | "remote file \"%s\"", g.gl_pathv[i])sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1724, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't get current ownership of " "remote file \"%s\"", g.gl_pathv[i]); |
| 1725 | if (err_abort) { |
| 1726 | err = -1; |
| 1727 | break; |
| 1728 | } else |
| 1729 | continue; |
| 1730 | } |
| 1731 | aa.flags &= SSH2_FILEXFER_ATTR_UIDGID0x00000002; |
| 1732 | if (cmdnum == I_CHOWN) { |
| 1733 | if (!quiet) |
| 1734 | mprintf("Changing owner on %s\n", |
| 1735 | g.gl_pathv[i]); |
| 1736 | aa.uid = n_arg; |
| 1737 | } else { |
| 1738 | if (!quiet) |
| 1739 | mprintf("Changing group on %s\n", |
| 1740 | g.gl_pathv[i]); |
| 1741 | aa.gid = n_arg; |
| 1742 | } |
| 1743 | err = (hflag ? sftp_lsetstat : sftp_setstat)(conn, |
| 1744 | g.gl_pathv[i], &aa); |
| 1745 | if (err != 0 && err_abort) |
| 1746 | break; |
| 1747 | } |
| 1748 | break; |
| 1749 | case I_PWD: |
| 1750 | mprintf("Remote working directory: %s\n", *pwd); |
| 1751 | break; |
| 1752 | case I_LPWD: |
| 1753 | if (!getcwd(path_buf, sizeof(path_buf))) { |
| 1754 | error("Couldn't get local cwd: %s", strerror(errno))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1754, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Couldn't get local cwd: %s" , strerror((*__errno()))); |
| 1755 | err = -1; |
| 1756 | break; |
| 1757 | } |
| 1758 | mprintf("Local working directory: %s\n", path_buf); |
| 1759 | break; |
| 1760 | case I_QUIT: |
| 1761 | /* Processed below */ |
| 1762 | break; |
| 1763 | case I_HELP: |
| 1764 | help(); |
| 1765 | break; |
| 1766 | case I_VERSION: |
| 1767 | printf("SFTP protocol version %u\n", sftp_proto_version(conn)); |
| 1768 | break; |
| 1769 | case I_PROGRESS: |
| 1770 | showprogress = !showprogress; |
| 1771 | if (showprogress) |
| 1772 | printf("Progress meter enabled\n"); |
| 1773 | else |
| 1774 | printf("Progress meter disabled\n"); |
| 1775 | break; |
| 1776 | default: |
| 1777 | fatal("%d is not implemented", cmdnum)sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1777 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%d is not implemented" , cmdnum); |
| 1778 | } |
| 1779 | |
| 1780 | if (g.gl_pathc) |
| 1781 | globfree(&g); |
| 1782 | free(path1); |
| 1783 | free(path2); |
| 1784 | |
| 1785 | /* If an unignored error occurs in batch mode we should abort. */ |
| 1786 | if (err_abort && err != 0) |
| 1787 | return (-1); |
| 1788 | else if (cmdnum == I_QUIT) |
| 1789 | return (1); |
| 1790 | |
| 1791 | return (0); |
| 1792 | } |
| 1793 | |
| 1794 | static char * |
| 1795 | prompt(EditLine *el) |
| 1796 | { |
| 1797 | return ("sftp> "); |
| 1798 | } |
| 1799 | |
| 1800 | /* Display entries in 'list' after skipping the first 'len' chars */ |
| 1801 | static void |
| 1802 | complete_display(char **list, u_int len) |
| 1803 | { |
| 1804 | u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen; |
| 1805 | struct winsize ws; |
| 1806 | char *tmp; |
| 1807 | |
| 1808 | /* Count entries for sort and find longest */ |
| 1809 | for (y = 0; list[y]; y++) |
| 1810 | m = MAXIMUM(m, strlen(list[y]))(((m) > (strlen(list[y]))) ? (m) : (strlen(list[y]))); |
| 1811 | |
| 1812 | if (ioctl(fileno(stdin)(!__isthreaded ? (((&__sF[0]))->_file) : (fileno)((& __sF[0]))), TIOCGWINSZ((unsigned long)0x40000000 | ((sizeof(struct winsize) & 0x1fff ) << 16) | ((('t')) << 8) | ((104))), &ws) != -1) |
| 1813 | width = ws.ws_col; |
| 1814 | |
| 1815 | m = m > len ? m - len : 0; |
| 1816 | columns = width / (m + 2); |
| 1817 | columns = MAXIMUM(columns, 1)(((columns) > (1)) ? (columns) : (1)); |
| 1818 | colspace = width / columns; |
| 1819 | colspace = MINIMUM(colspace, width)(((colspace) < (width)) ? (colspace) : (width)); |
| 1820 | |
| 1821 | printf("\n"); |
| 1822 | m = 1; |
| 1823 | for (y = 0; list[y]; y++) { |
| 1824 | llen = strlen(list[y]); |
| 1825 | tmp = llen > len ? list[y] + len : ""; |
| 1826 | mprintf("%-*s", colspace, tmp); |
| 1827 | if (m >= columns) { |
| 1828 | printf("\n"); |
| 1829 | m = 1; |
| 1830 | } else |
| 1831 | m++; |
| 1832 | } |
| 1833 | printf("\n"); |
| 1834 | } |
| 1835 | |
| 1836 | /* |
| 1837 | * Given a "list" of words that begin with a common prefix of "word", |
| 1838 | * attempt to find an autocompletion to extends "word" by the next |
| 1839 | * characters common to all entries in "list". |
| 1840 | */ |
| 1841 | static char * |
| 1842 | complete_ambiguous(const char *word, char **list, size_t count) |
| 1843 | { |
| 1844 | if (word == NULL((void *)0)) |
| 1845 | return NULL((void *)0); |
| 1846 | |
| 1847 | if (count > 0) { |
| 1848 | u_int y, matchlen = strlen(list[0]); |
| 1849 | |
| 1850 | /* Find length of common stem */ |
| 1851 | for (y = 1; list[y]; y++) { |
| 1852 | u_int x; |
| 1853 | |
| 1854 | for (x = 0; x < matchlen; x++) |
| 1855 | if (list[0][x] != list[y][x]) |
| 1856 | break; |
| 1857 | |
| 1858 | matchlen = x; |
| 1859 | } |
| 1860 | |
| 1861 | if (matchlen > strlen(word)) { |
| 1862 | char *tmp = xstrdup(list[0]); |
| 1863 | |
| 1864 | tmp[matchlen] = '\0'; |
| 1865 | return tmp; |
| 1866 | } |
| 1867 | } |
| 1868 | |
| 1869 | return xstrdup(word); |
| 1870 | } |
| 1871 | |
| 1872 | /* Autocomplete a sftp command */ |
| 1873 | static int |
| 1874 | complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote, |
| 1875 | int terminated) |
| 1876 | { |
| 1877 | u_int y, count = 0, cmdlen, tmplen; |
| 1878 | char *tmp, **list, argterm[3]; |
| 1879 | const LineInfo *lf; |
| 1880 | |
| 1881 | list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *)); |
| 1882 | |
| 1883 | /* No command specified: display all available commands */ |
| 1884 | if (cmd == NULL((void *)0)) { |
| 1885 | for (y = 0; cmds[y].c; y++) |
| 1886 | list[count++] = xstrdup(cmds[y].c); |
| 1887 | |
| 1888 | list[count] = NULL((void *)0); |
| 1889 | complete_display(list, 0); |
| 1890 | |
| 1891 | for (y = 0; list[y] != NULL((void *)0); y++) |
| 1892 | free(list[y]); |
| 1893 | free(list); |
| 1894 | return count; |
| 1895 | } |
| 1896 | |
| 1897 | /* Prepare subset of commands that start with "cmd" */ |
| 1898 | cmdlen = strlen(cmd); |
| 1899 | for (y = 0; cmds[y].c; y++) { |
| 1900 | if (!strncasecmp(cmd, cmds[y].c, cmdlen)) |
| 1901 | list[count++] = xstrdup(cmds[y].c); |
| 1902 | } |
| 1903 | list[count] = NULL((void *)0); |
| 1904 | |
| 1905 | if (count == 0) { |
| 1906 | free(list); |
| 1907 | return 0; |
| 1908 | } |
| 1909 | |
| 1910 | /* Complete ambiguous command */ |
| 1911 | tmp = complete_ambiguous(cmd, list, count); |
| 1912 | if (count > 1) |
| 1913 | complete_display(list, 0); |
| 1914 | |
| 1915 | for (y = 0; list[y]; y++) |
| 1916 | free(list[y]); |
| 1917 | free(list); |
| 1918 | |
| 1919 | if (tmp != NULL((void *)0)) { |
| 1920 | tmplen = strlen(tmp); |
| 1921 | cmdlen = strlen(cmd); |
| 1922 | /* If cmd may be extended then do so */ |
| 1923 | if (tmplen > cmdlen) |
| 1924 | if (el_insertstr(el, tmp + cmdlen) == -1) |
| 1925 | fatal("el_insertstr failed.")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1925 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "el_insertstr failed."); |
| 1926 | lf = el_line(el); |
| 1927 | /* Terminate argument cleanly */ |
| 1928 | if (count == 1) { |
| 1929 | y = 0; |
| 1930 | if (!terminated) |
| 1931 | argterm[y++] = quote; |
| 1932 | if (lastarg || *(lf->cursor) != ' ') |
| 1933 | argterm[y++] = ' '; |
| 1934 | argterm[y] = '\0'; |
| 1935 | if (y > 0 && el_insertstr(el, argterm) == -1) |
| 1936 | fatal("el_insertstr failed.")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1936 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "el_insertstr failed."); |
| 1937 | } |
| 1938 | free(tmp); |
| 1939 | } |
| 1940 | |
| 1941 | return count; |
| 1942 | } |
| 1943 | |
| 1944 | /* |
| 1945 | * Determine whether a particular sftp command's arguments (if any) represent |
| 1946 | * local or remote files. The "cmdarg" argument specifies the actual argument |
| 1947 | * and accepts values 1 or 2. |
| 1948 | */ |
| 1949 | static int |
| 1950 | complete_is_remote(char *cmd, int cmdarg) { |
| 1951 | int i; |
| 1952 | |
| 1953 | if (cmd == NULL((void *)0)) |
| 1954 | return -1; |
| 1955 | |
| 1956 | for (i = 0; cmds[i].c; i++) { |
| 1957 | if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c))) { |
| 1958 | if (cmdarg == 1) |
| 1959 | return cmds[i].t; |
| 1960 | else if (cmdarg == 2) |
| 1961 | return cmds[i].t2; |
| 1962 | break; |
| 1963 | } |
| 1964 | } |
| 1965 | |
| 1966 | return -1; |
| 1967 | } |
| 1968 | |
| 1969 | /* Autocomplete a filename "file" */ |
| 1970 | static int |
| 1971 | complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path, |
| 1972 | char *file, int remote, int lastarg, char quote, int terminated) |
| 1973 | { |
| 1974 | glob_t g; |
| 1975 | char *tmp, *tmp2, ins[8]; |
| 1976 | u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs; |
| 1977 | int clen; |
| 1978 | const LineInfo *lf; |
| 1979 | |
| 1980 | /* Glob from "file" location */ |
| 1981 | if (file == NULL((void *)0)) |
| 1982 | tmp = xstrdup("*"); |
| 1983 | else |
| 1984 | xasprintf(&tmp, "%s*", file); |
| 1985 | |
| 1986 | /* Check if the path is absolute. */ |
| 1987 | isabs = path_absolute(tmp); |
| 1988 | |
| 1989 | memset(&g, 0, sizeof(g)); |
| 1990 | if (remote != LOCAL2) { |
| 1991 | tmp = make_absolute_pwd_glob(tmp, remote_path); |
| 1992 | sftp_glob(conn, tmp, GLOB_DOOFFS0x0002|GLOB_MARK0x0008, NULL((void *)0), &g); |
| 1993 | } else |
| 1994 | (void)glob(tmp, GLOB_DOOFFS0x0002|GLOB_MARK0x0008, NULL((void *)0), &g); |
| 1995 | |
| 1996 | /* Determine length of pwd so we can trim completion display */ |
| 1997 | for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) { |
| 1998 | /* Terminate counting on first unescaped glob metacharacter */ |
| 1999 | if (tmp[tmplen] == '*' || tmp[tmplen] == '?') { |
| 2000 | if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0') |
| 2001 | hadglob = 1; |
| 2002 | break; |
| 2003 | } |
| 2004 | if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0') |
| 2005 | tmplen++; |
| 2006 | if (tmp[tmplen] == '/') |
| 2007 | pwdlen = tmplen + 1; /* track last seen '/' */ |
| 2008 | } |
| 2009 | free(tmp); |
| 2010 | tmp = NULL((void *)0); |
| 2011 | |
| 2012 | if (g.gl_matchc == 0) |
| 2013 | goto out; |
| 2014 | |
| 2015 | if (g.gl_matchc > 1) |
| 2016 | complete_display(g.gl_pathv, pwdlen); |
| 2017 | |
| 2018 | /* Don't try to extend globs */ |
| 2019 | if (file == NULL((void *)0) || hadglob) |
| 2020 | goto out; |
| 2021 | |
| 2022 | tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc); |
| 2023 | tmp = path_strip(tmp2, isabs ? NULL((void *)0) : remote_path); |
| 2024 | free(tmp2); |
| 2025 | |
| 2026 | if (tmp == NULL((void *)0)) |
| 2027 | goto out; |
| 2028 | |
| 2029 | tmplen = strlen(tmp); |
| 2030 | filelen = strlen(file); |
| 2031 | |
| 2032 | /* Count the number of escaped characters in the input string. */ |
| 2033 | cesc = isesc = 0; |
| 2034 | for (i = 0; i < filelen; i++) { |
| 2035 | if (!isesc && file[i] == '\\' && i + 1 < filelen){ |
| 2036 | isesc = 1; |
| 2037 | cesc++; |
| 2038 | } else |
| 2039 | isesc = 0; |
| 2040 | } |
| 2041 | |
| 2042 | if (tmplen > (filelen - cesc)) { |
| 2043 | tmp2 = tmp + filelen - cesc; |
| 2044 | len = strlen(tmp2); |
| 2045 | /* quote argument on way out */ |
| 2046 | for (i = 0; i < len; i += clen) { |
| 2047 | if ((clen = mblen(tmp2 + i, len - i)) < 0 || |
| 2048 | (size_t)clen > sizeof(ins) - 2) |
| 2049 | fatal("invalid multibyte character")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2049 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "invalid multibyte character" ); |
| 2050 | ins[0] = '\\'; |
| 2051 | memcpy(ins + 1, tmp2 + i, clen); |
| 2052 | ins[clen + 1] = '\0'; |
| 2053 | switch (tmp2[i]) { |
| 2054 | case '\'': |
| 2055 | case '"': |
| 2056 | case '\\': |
| 2057 | case '\t': |
| 2058 | case '[': |
| 2059 | case ' ': |
| 2060 | case '#': |
| 2061 | case '*': |
| 2062 | if (quote == '\0' || tmp2[i] == quote) { |
| 2063 | if (el_insertstr(el, ins) == -1) |
| 2064 | fatal("el_insertstr "sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2065 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "el_insertstr " "failed." ) |
| 2065 | "failed.")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2065 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "el_insertstr " "failed." ); |
| 2066 | break; |
| 2067 | } |
| 2068 | /* FALLTHROUGH */ |
| 2069 | default: |
| 2070 | if (el_insertstr(el, ins + 1) == -1) |
| 2071 | fatal("el_insertstr failed.")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2071 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "el_insertstr failed."); |
| 2072 | break; |
| 2073 | } |
| 2074 | } |
| 2075 | } |
| 2076 | |
| 2077 | lf = el_line(el); |
| 2078 | if (g.gl_matchc == 1) { |
| 2079 | i = 0; |
| 2080 | if (!terminated && quote != '\0') |
| 2081 | ins[i++] = quote; |
| 2082 | if (*(lf->cursor - 1) != '/' && |
| 2083 | (lastarg || *(lf->cursor) != ' ')) |
| 2084 | ins[i++] = ' '; |
| 2085 | ins[i] = '\0'; |
| 2086 | if (i > 0 && el_insertstr(el, ins) == -1) |
| 2087 | fatal("el_insertstr failed.")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2087 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "el_insertstr failed."); |
| 2088 | } |
| 2089 | free(tmp); |
| 2090 | |
| 2091 | out: |
| 2092 | globfree(&g); |
| 2093 | return g.gl_matchc; |
| 2094 | } |
| 2095 | |
| 2096 | /* tab-completion hook function, called via libedit */ |
| 2097 | static unsigned char |
| 2098 | complete(EditLine *el, int ch) |
| 2099 | { |
| 2100 | char **argv, *line, quote; |
| 2101 | int argc, carg; |
| 2102 | u_int cursor, len, terminated, ret = CC_ERROR6; |
| 2103 | const LineInfo *lf; |
| 2104 | struct complete_ctx *complete_ctx; |
| 2105 | |
| 2106 | lf = el_line(el); |
| 2107 | if (el_get(el, EL_CLIENTDATA14, (void**)&complete_ctx) != 0) |
| 2108 | fatal_f("el_get failed")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2108 , 1, SYSLOG_LEVEL_FATAL, ((void *)0), "el_get failed"); |
| 2109 | |
| 2110 | /* Figure out which argument the cursor points to */ |
| 2111 | cursor = lf->cursor - lf->buffer; |
| 2112 | line = xmalloc(cursor + 1); |
| 2113 | memcpy(line, lf->buffer, cursor); |
| 2114 | line[cursor] = '\0'; |
| 2115 | argv = makeargv(line, &carg, 1, "e, &terminated); |
| 2116 | free(line); |
| 2117 | |
| 2118 | /* Get all the arguments on the line */ |
| 2119 | len = lf->lastchar - lf->buffer; |
| 2120 | line = xmalloc(len + 1); |
| 2121 | memcpy(line, lf->buffer, len); |
| 2122 | line[len] = '\0'; |
| 2123 | argv = makeargv(line, &argc, 1, NULL((void *)0), NULL((void *)0)); |
| 2124 | |
| 2125 | /* Ensure cursor is at EOL or a argument boundary */ |
| 2126 | if (line[cursor] != ' ' && line[cursor] != '\0' && |
| 2127 | line[cursor] != '\n') { |
| 2128 | free(line); |
| 2129 | return ret; |
| 2130 | } |
| 2131 | |
| 2132 | if (carg == 0) { |
| 2133 | /* Show all available commands */ |
| 2134 | complete_cmd_parse(el, NULL((void *)0), argc == carg, '\0', 1); |
| 2135 | ret = CC_REDISPLAY8; |
| 2136 | } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') { |
| 2137 | /* Handle the command parsing */ |
| 2138 | if (complete_cmd_parse(el, argv[0], argc == carg, |
| 2139 | quote, terminated) != 0) |
| 2140 | ret = CC_REDISPLAY8; |
| 2141 | } else if (carg >= 1) { |
| 2142 | /* Handle file parsing */ |
| 2143 | int remote = 0; |
| 2144 | int i = 0, cmdarg = 0; |
| 2145 | char *filematch = NULL((void *)0); |
| 2146 | |
| 2147 | if (carg > 1 && line[cursor-1] != ' ') |
| 2148 | filematch = argv[carg - 1]; |
| 2149 | |
| 2150 | for (i = 1; i < carg; i++) { |
| 2151 | /* Skip flags */ |
| 2152 | if (argv[i][0] != '-') |
| 2153 | cmdarg++; |
| 2154 | } |
| 2155 | |
| 2156 | /* |
| 2157 | * If previous argument is complete, then offer completion |
| 2158 | * on the next one. |
| 2159 | */ |
| 2160 | if (line[cursor - 1] == ' ') |
| 2161 | cmdarg++; |
| 2162 | |
| 2163 | remote = complete_is_remote(argv[0], cmdarg); |
| 2164 | |
| 2165 | if ((remote == REMOTE1 || remote == LOCAL2) && |
| 2166 | complete_match(el, complete_ctx->conn, |
| 2167 | *complete_ctx->remote_pathp, filematch, |
| 2168 | remote, carg == argc, quote, terminated) != 0) |
| 2169 | ret = CC_REDISPLAY8; |
| 2170 | } |
| 2171 | |
| 2172 | free(line); |
| 2173 | return ret; |
| 2174 | } |
| 2175 | |
| 2176 | static int |
| 2177 | interactive_loop(struct sftp_conn *conn, char *file1, char *file2) |
| 2178 | { |
| 2179 | char *remote_path; |
| 2180 | char *dir = NULL((void *)0), *startdir = NULL((void *)0); |
| 2181 | char cmd[2048]; |
| 2182 | int err, interactive; |
| 2183 | EditLine *el = NULL((void *)0); |
| 2184 | History *hl = NULL((void *)0); |
| 2185 | HistEvent hev; |
| 2186 | extern char *__progname; |
| 2187 | struct complete_ctx complete_ctx; |
| 2188 | |
| 2189 | if (!batchmode && isatty(STDIN_FILENO0)) { |
| 2190 | if ((el = el_init(__progname, stdin(&__sF[0]), stdout(&__sF[1]), stderr(&__sF[2]))) == NULL((void *)0)) |
| 2191 | fatal("Couldn't initialise editline")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2191 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Couldn't initialise editline" ); |
| 2192 | if ((hl = history_init()) == NULL((void *)0)) |
| 2193 | fatal("Couldn't initialise editline history")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2193 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Couldn't initialise editline history" ); |
| 2194 | history(hl, &hev, H_SETSIZE1, 100); |
| 2195 | el_set(el, EL_HIST10, history, hl); |
| 2196 | |
| 2197 | el_set(el, EL_PROMPT0, prompt); |
| 2198 | el_set(el, EL_EDITOR2, "emacs"); |
| 2199 | el_set(el, EL_TERMINAL1, NULL((void *)0)); |
| 2200 | el_set(el, EL_SIGNAL3, 1); |
| 2201 | el_source(el, NULL((void *)0)); |
| 2202 | |
| 2203 | /* Tab Completion */ |
| 2204 | el_set(el, EL_ADDFN9, "ftp-complete", |
| 2205 | "Context sensitive argument completion", complete); |
| 2206 | complete_ctx.conn = conn; |
| 2207 | complete_ctx.remote_pathp = &remote_path; |
| 2208 | el_set(el, EL_CLIENTDATA14, (void*)&complete_ctx); |
| 2209 | el_set(el, EL_BIND4, "^I", "ftp-complete", NULL((void *)0)); |
| 2210 | /* enable ctrl-left-arrow and ctrl-right-arrow */ |
| 2211 | el_set(el, EL_BIND4, "\\e[1;5C", "em-next-word", NULL((void *)0)); |
| 2212 | el_set(el, EL_BIND4, "\\e\\e[C", "em-next-word", NULL((void *)0)); |
| 2213 | el_set(el, EL_BIND4, "\\e[1;5D", "ed-prev-word", NULL((void *)0)); |
| 2214 | el_set(el, EL_BIND4, "\\e\\e[D", "ed-prev-word", NULL((void *)0)); |
| 2215 | /* make ^w match ksh behaviour */ |
| 2216 | el_set(el, EL_BIND4, "^w", "ed-delete-prev-word", NULL((void *)0)); |
| 2217 | } |
| 2218 | |
| 2219 | if ((remote_path = sftp_realpath(conn, ".")) == NULL((void *)0)) |
| 2220 | fatal("Need cwd")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2220 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Need cwd"); |
| 2221 | startdir = xstrdup(remote_path); |
| 2222 | |
| 2223 | if (file1 != NULL((void *)0)) { |
| 2224 | dir = xstrdup(file1); |
| 2225 | dir = sftp_make_absolute(dir, remote_path); |
| 2226 | |
| 2227 | if (sftp_remote_is_dir(conn, dir) && file2 == NULL((void *)0)) { |
| 2228 | if (!quiet) |
| 2229 | mprintf("Changing to: %s\n", dir); |
| 2230 | snprintf(cmd, sizeof cmd, "cd \"%s\"", dir); |
| 2231 | if (parse_dispatch_command(conn, cmd, |
| 2232 | &remote_path, startdir, 1, 0) != 0) { |
| 2233 | free(dir); |
| 2234 | free(startdir); |
| 2235 | free(remote_path); |
| 2236 | free(conn); |
| 2237 | return (-1); |
| 2238 | } |
| 2239 | } else { |
| 2240 | /* XXX this is wrong wrt quoting */ |
| 2241 | snprintf(cmd, sizeof cmd, "get%s %s%s%s", |
| 2242 | global_aflag ? " -a" : "", dir, |
| 2243 | file2 == NULL((void *)0) ? "" : " ", |
| 2244 | file2 == NULL((void *)0) ? "" : file2); |
| 2245 | err = parse_dispatch_command(conn, cmd, |
| 2246 | &remote_path, startdir, 1, 0); |
| 2247 | free(dir); |
| 2248 | free(startdir); |
| 2249 | free(remote_path); |
| 2250 | free(conn); |
| 2251 | return (err); |
| 2252 | } |
| 2253 | free(dir); |
| 2254 | } |
| 2255 | |
| 2256 | setvbuf(stdout(&__sF[1]), NULL((void *)0), _IOLBF1, 0); |
| 2257 | setvbuf(infile, NULL((void *)0), _IOLBF1, 0); |
| 2258 | |
| 2259 | interactive = !batchmode && isatty(STDIN_FILENO0); |
| 2260 | err = 0; |
| 2261 | for (;;) { |
| 2262 | struct sigaction sa; |
| 2263 | const char *line; |
| 2264 | int count = 0; |
| 2265 | |
| 2266 | interrupted = 0; |
| 2267 | memset(&sa, 0, sizeof(sa)); |
| 2268 | sa.sa_handler__sigaction_u.__sa_handler = interactive ? read_interrupt : killchild; |
| 2269 | if (sigaction(SIGINT2, &sa, NULL((void *)0)) == -1) { |
| 2270 | debug3("sigaction(%s): %s", strsignal(SIGINT),sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2271, 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "sigaction(%s): %s", strsignal (2), strerror((*__errno()))) |
| 2271 | strerror(errno))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2271, 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "sigaction(%s): %s", strsignal (2), strerror((*__errno()))); |
| 2272 | break; |
| 2273 | } |
| 2274 | if (el == NULL((void *)0)) { |
| 2275 | if (interactive) |
| 2276 | printf("sftp> "); |
| 2277 | if (fgets(cmd, sizeof(cmd), infile) == NULL((void *)0)) { |
| 2278 | if (interactive) |
| 2279 | printf("\n"); |
| 2280 | if (interrupted) |
| 2281 | continue; |
| 2282 | break; |
| 2283 | } |
| 2284 | } else { |
| 2285 | if ((line = el_gets(el, &count)) == NULL((void *)0) || |
| 2286 | count <= 0) { |
| 2287 | printf("\n"); |
| 2288 | if (interrupted) |
| 2289 | continue; |
| 2290 | break; |
| 2291 | } |
| 2292 | history(hl, &hev, H_ENTER10, line); |
| 2293 | if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) { |
| 2294 | fprintf(stderr(&__sF[2]), "Error: input line too long\n"); |
| 2295 | continue; |
| 2296 | } |
| 2297 | } |
| 2298 | |
| 2299 | cmd[strcspn(cmd, "\n")] = '\0'; |
| 2300 | |
| 2301 | /* Handle user interrupts gracefully during commands */ |
| 2302 | interrupted = 0; |
| 2303 | ssh_signal(SIGINT2, cmd_interrupt); |
| 2304 | |
| 2305 | err = parse_dispatch_command(conn, cmd, &remote_path, |
| 2306 | startdir, batchmode, !interactive && el == NULL((void *)0)); |
| 2307 | if (err != 0) |
| 2308 | break; |
| 2309 | } |
| 2310 | ssh_signal(SIGCHLD20, SIG_DFL(void (*)(int))0); |
| 2311 | free(remote_path); |
| 2312 | free(startdir); |
| 2313 | free(conn); |
| 2314 | |
| 2315 | if (el != NULL((void *)0)) |
| 2316 | el_end(el); |
| 2317 | |
| 2318 | /* err == 1 signifies normal "quit" exit */ |
| 2319 | return (err >= 0 ? 0 : -1); |
| 2320 | } |
| 2321 | |
| 2322 | static void |
| 2323 | connect_to_server(char *path, char **args, int *in, int *out) |
| 2324 | { |
| 2325 | int c_in, c_out, inout[2]; |
| 2326 | |
| 2327 | if (socketpair(AF_UNIX1, SOCK_STREAM1, 0, inout) == -1) |
| 2328 | fatal("socketpair: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2328 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "socketpair: %s", strerror ((*__errno()))); |
| 2329 | *in = *out = inout[0]; |
| 2330 | c_in = c_out = inout[1]; |
| 2331 | |
| 2332 | if ((sshpid = fork()) == -1) |
| 2333 | fatal("fork: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2333 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "fork: %s", strerror((* __errno()))); |
| 2334 | else if (sshpid == 0) { |
| 2335 | if ((dup2(c_in, STDIN_FILENO0) == -1) || |
| 2336 | (dup2(c_out, STDOUT_FILENO1) == -1)) { |
| 2337 | fprintf(stderr(&__sF[2]), "dup2: %s\n", strerror(errno(*__errno()))); |
| 2338 | _exit(1); |
| 2339 | } |
| 2340 | close(*in); |
| 2341 | close(*out); |
| 2342 | close(c_in); |
| 2343 | close(c_out); |
| 2344 | |
| 2345 | /* |
| 2346 | * The underlying ssh is in the same process group, so we must |
| 2347 | * ignore SIGINT if we want to gracefully abort commands, |
| 2348 | * otherwise the signal will make it to the ssh process and |
| 2349 | * kill it too. Contrawise, since sftp sends SIGTERMs to the |
| 2350 | * underlying ssh, it must *not* ignore that signal. |
| 2351 | */ |
| 2352 | ssh_signal(SIGINT2, SIG_IGN(void (*)(int))1); |
| 2353 | ssh_signal(SIGTERM15, SIG_DFL(void (*)(int))0); |
| 2354 | execvp(path, args); |
| 2355 | fprintf(stderr(&__sF[2]), "exec: %s: %s\n", path, strerror(errno(*__errno()))); |
| 2356 | _exit(1); |
| 2357 | } |
| 2358 | |
| 2359 | ssh_signal(SIGTERM15, killchild); |
| 2360 | ssh_signal(SIGINT2, killchild); |
| 2361 | ssh_signal(SIGHUP1, killchild); |
| 2362 | ssh_signal(SIGTSTP18, suspchild); |
| 2363 | ssh_signal(SIGTTIN21, suspchild); |
| 2364 | ssh_signal(SIGTTOU22, suspchild); |
| 2365 | ssh_signal(SIGCHLD20, sigchld_handler); |
| 2366 | close(c_in); |
| 2367 | close(c_out); |
| 2368 | } |
| 2369 | |
| 2370 | static void |
| 2371 | usage(void) |
| 2372 | { |
| 2373 | extern char *__progname; |
| 2374 | |
| 2375 | fprintf(stderr(&__sF[2]), |
| 2376 | "usage: %s [-46AaCfNpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n" |
| 2377 | " [-D sftp_server_command] [-F ssh_config] [-i identity_file]\n" |
| 2378 | " [-J destination] [-l limit] [-o ssh_option] [-P port]\n" |
| 2379 | " [-R num_requests] [-S program] [-s subsystem | sftp_server]\n" |
| 2380 | " [-X sftp_option] destination\n", |
| 2381 | __progname); |
| 2382 | exit(1); |
| 2383 | } |
| 2384 | |
| 2385 | int |
| 2386 | main(int argc, char **argv) |
| 2387 | { |
| 2388 | int r, in, out, ch, err, tmp, port = -1, noisy = 0; |
| 2389 | char *host = NULL((void *)0), *user, *cp, **cpp, *file2 = NULL((void *)0); |
| 2390 | int debug_level = 0; |
| 2391 | char *file1 = NULL((void *)0), *sftp_server = NULL((void *)0); |
| 2392 | char *ssh_program = _PATH_SSH_PROGRAM"/usr/bin/ssh", *sftp_direct = NULL((void *)0); |
| 2393 | const char *errstr; |
| 2394 | LogLevel ll = SYSLOG_LEVEL_INFO; |
| 2395 | arglist args; |
| 2396 | extern int optind; |
| 2397 | extern char *optarg; |
| 2398 | struct sftp_conn *conn; |
| 2399 | size_t copy_buffer_len = 0; |
| 2400 | size_t num_requests = 0; |
| 2401 | long long llv, limit_kbps = 0; |
| 2402 | |
| 2403 | /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ |
| 2404 | sanitise_stdfd(); |
| 2405 | setlocale(LC_CTYPE2, ""); |
| 2406 | |
| 2407 | memset(&args, '\0', sizeof(args)); |
| 2408 | args.list = NULL((void *)0); |
| 2409 | addargs(&args, "%s", ssh_program); |
| 2410 | addargs(&args, "-oForwardX11 no"); |
| 2411 | addargs(&args, "-oPermitLocalCommand no"); |
| 2412 | addargs(&args, "-oClearAllForwardings yes"); |
| 2413 | |
| 2414 | ll = SYSLOG_LEVEL_INFO; |
| 2415 | infile = stdin(&__sF[0]); |
| 2416 | |
| 2417 | while ((ch = getopt(argc, argv, |
| 2418 | "1246AafhNpqrvCc:D:i:l:o:s:S:b:B:F:J:P:R:X:")) != -1) { |
| 2419 | switch (ch) { |
| 2420 | /* Passed through to ssh(1) */ |
| 2421 | case 'A': |
| 2422 | case '4': |
| 2423 | case '6': |
| 2424 | case 'C': |
| 2425 | addargs(&args, "-%c", ch); |
| 2426 | break; |
| 2427 | /* Passed through to ssh(1) with argument */ |
| 2428 | case 'F': |
| 2429 | case 'J': |
| 2430 | case 'c': |
| 2431 | case 'i': |
| 2432 | case 'o': |
| 2433 | addargs(&args, "-%c", ch); |
| 2434 | addargs(&args, "%s", optarg); |
| 2435 | break; |
| 2436 | case 'q': |
| 2437 | ll = SYSLOG_LEVEL_ERROR; |
| 2438 | quiet = 1; |
| 2439 | showprogress = 0; |
| 2440 | addargs(&args, "-%c", ch); |
| 2441 | break; |
| 2442 | case 'P': |
| 2443 | port = a2port(optarg); |
| 2444 | if (port <= 0) |
| 2445 | fatal("Bad port \"%s\"\n", optarg)sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2445 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Bad port \"%s\"\n", optarg ); |
| 2446 | break; |
| 2447 | case 'v': |
| 2448 | if (debug_level < 3) { |
| 2449 | addargs(&args, "-v"); |
| 2450 | ll = SYSLOG_LEVEL_DEBUG1 + debug_level; |
| 2451 | } |
| 2452 | debug_level++; |
| 2453 | break; |
| 2454 | case '1': |
| 2455 | fatal("SSH protocol v.1 is no longer supported")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2455 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "SSH protocol v.1 is no longer supported" ); |
| 2456 | break; |
| 2457 | case '2': |
| 2458 | /* accept silently */ |
| 2459 | break; |
| 2460 | case 'a': |
| 2461 | global_aflag = 1; |
| 2462 | break; |
| 2463 | case 'B': |
| 2464 | copy_buffer_len = strtol(optarg, &cp, 10); |
| 2465 | if (copy_buffer_len == 0 || *cp != '\0') |
| 2466 | fatal("Invalid buffer size \"%s\"", optarg)sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2466 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid buffer size \"%s\"" , optarg); |
| 2467 | break; |
| 2468 | case 'b': |
| 2469 | if (batchmode) |
| 2470 | fatal("Batch file already specified.")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2470 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Batch file already specified." ); |
| 2471 | |
| 2472 | /* Allow "-" as stdin */ |
| 2473 | if (strcmp(optarg, "-") != 0 && |
| 2474 | (infile = fopen(optarg, "r")) == NULL((void *)0)) |
| 2475 | fatal("%s (%s).", strerror(errno), optarg)sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2475 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s (%s).", strerror((* __errno())), optarg); |
| 2476 | showprogress = 0; |
| 2477 | quiet = batchmode = 1; |
| 2478 | addargs(&args, "-obatchmode yes"); |
| 2479 | break; |
| 2480 | case 'f': |
| 2481 | global_fflag = 1; |
| 2482 | break; |
| 2483 | case 'N': |
| 2484 | noisy = 1; /* Used to clear quiet mode after getopt */ |
| 2485 | break; |
| 2486 | case 'p': |
| 2487 | global_pflag = 1; |
| 2488 | break; |
| 2489 | case 'D': |
| 2490 | sftp_direct = optarg; |
| 2491 | break; |
| 2492 | case 'l': |
| 2493 | limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024, |
| 2494 | &errstr); |
| 2495 | if (errstr != NULL((void *)0)) |
| 2496 | usage(); |
| 2497 | limit_kbps *= 1024; /* kbps */ |
| 2498 | break; |
| 2499 | case 'r': |
| 2500 | global_rflag = 1; |
| 2501 | break; |
| 2502 | case 'R': |
| 2503 | num_requests = strtol(optarg, &cp, 10); |
| 2504 | if (num_requests == 0 || *cp != '\0') |
| 2505 | fatal("Invalid number of requests \"%s\"",sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2506 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid number of requests \"%s\"" , optarg) |
| 2506 | optarg)sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2506 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid number of requests \"%s\"" , optarg); |
| 2507 | break; |
| 2508 | case 's': |
| 2509 | sftp_server = optarg; |
| 2510 | break; |
| 2511 | case 'S': |
| 2512 | ssh_program = optarg; |
| 2513 | replacearg(&args, 0, "%s", ssh_program); |
| 2514 | break; |
| 2515 | case 'X': |
| 2516 | /* Please keep in sync with ssh.c -X */ |
| 2517 | if (strncmp(optarg, "buffer=", 7) == 0) { |
| 2518 | r = scan_scaled(optarg + 7, &llv); |
| 2519 | if (r == 0 && (llv <= 0 || llv > 256 * 1024)) { |
| 2520 | r = -1; |
| 2521 | errno(*__errno()) = EINVAL22; |
| 2522 | } |
| 2523 | if (r == -1) { |
| 2524 | fatal("Invalid buffer size \"%s\": %s",sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2525 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid buffer size \"%s\": %s" , optarg + 7, strerror((*__errno()))) |
| 2525 | optarg + 7, strerror(errno))sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2525 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid buffer size \"%s\": %s" , optarg + 7, strerror((*__errno()))); |
| 2526 | } |
| 2527 | copy_buffer_len = (size_t)llv; |
| 2528 | } else if (strncmp(optarg, "nrequests=", 10) == 0) { |
| 2529 | llv = strtonum(optarg + 10, 1, 256 * 1024, |
| 2530 | &errstr); |
| 2531 | if (errstr != NULL((void *)0)) { |
| 2532 | fatal("Invalid number of requests "sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2533 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid number of requests " "\"%s\": %s", optarg + 10, errstr) |
| 2533 | "\"%s\": %s", optarg + 10, errstr)sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2533 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid number of requests " "\"%s\": %s", optarg + 10, errstr); |
| 2534 | } |
| 2535 | num_requests = (size_t)llv; |
| 2536 | } else { |
| 2537 | fatal("Invalid -X option")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2537 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid -X option"); |
| 2538 | } |
| 2539 | break; |
| 2540 | case 'h': |
| 2541 | default: |
| 2542 | usage(); |
| 2543 | } |
| 2544 | } |
| 2545 | |
| 2546 | /* Do this last because we want the user to be able to override it */ |
| 2547 | addargs(&args, "-oForwardAgent no"); |
| 2548 | |
| 2549 | if (!isatty(STDERR_FILENO2)) |
| 2550 | showprogress = 0; |
| 2551 | |
| 2552 | if (noisy) |
| 2553 | quiet = 0; |
| 2554 | |
| 2555 | log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1); |
| 2556 | |
| 2557 | if (sftp_direct == NULL((void *)0)) { |
| 2558 | if (optind == argc || argc > (optind + 2)) |
| 2559 | usage(); |
| 2560 | argv += optind; |
| 2561 | |
| 2562 | switch (parse_uri("sftp", *argv, &user, &host, &tmp, &file1)) { |
| 2563 | case -1: |
| 2564 | usage(); |
| 2565 | break; |
| 2566 | case 0: |
| 2567 | if (tmp != -1) |
| 2568 | port = tmp; |
| 2569 | break; |
| 2570 | default: |
| 2571 | /* Try with user, host and path. */ |
| 2572 | if (parse_user_host_path(*argv, &user, &host, |
| 2573 | &file1) == 0) |
| 2574 | break; |
| 2575 | /* Try with user and host. */ |
| 2576 | if (parse_user_host_port(*argv, &user, &host, NULL((void *)0)) |
| 2577 | == 0) |
| 2578 | break; |
| 2579 | /* Treat as a plain hostname. */ |
| 2580 | host = xstrdup(*argv); |
| 2581 | host = cleanhostname(host); |
| 2582 | break; |
| 2583 | } |
| 2584 | file2 = *(argv + 1); |
| 2585 | |
| 2586 | if (!*host) { |
| 2587 | fprintf(stderr(&__sF[2]), "Missing hostname\n"); |
| 2588 | usage(); |
| 2589 | } |
| 2590 | |
| 2591 | if (port != -1) |
| 2592 | addargs(&args, "-oPort %d", port); |
| 2593 | if (user != NULL((void *)0)) { |
| 2594 | addargs(&args, "-l"); |
| 2595 | addargs(&args, "%s", user); |
| 2596 | } |
| 2597 | |
| 2598 | /* no subsystem if the server-spec contains a '/' */ |
| 2599 | if (sftp_server == NULL((void *)0) || strchr(sftp_server, '/') == NULL((void *)0)) |
| 2600 | addargs(&args, "-s"); |
| 2601 | |
| 2602 | addargs(&args, "--"); |
| 2603 | addargs(&args, "%s", host); |
| 2604 | addargs(&args, "%s", (sftp_server != NULL((void *)0) ? |
| 2605 | sftp_server : "sftp")); |
| 2606 | |
| 2607 | connect_to_server(ssh_program, args.list, &in, &out); |
| 2608 | } else { |
| 2609 | if ((r = argv_split(sftp_direct, &tmp, &cpp, 1)) != 0) |
| 2610 | fatal_r(r, "Parse -D arguments")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2610 , 0, SYSLOG_LEVEL_FATAL, ssh_err(r), "Parse -D arguments"); |
| 2611 | if (cpp[0] == 0) |
| 2612 | fatal("No sftp server specified via -D")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2612 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "No sftp server specified via -D" ); |
| 2613 | connect_to_server(cpp[0], cpp, &in, &out); |
| 2614 | argv_free(cpp, tmp); |
| 2615 | } |
| 2616 | freeargs(&args); |
| 2617 | |
| 2618 | conn = sftp_init(in, out, copy_buffer_len, num_requests, limit_kbps); |
| 2619 | if (conn == NULL((void *)0)) |
| 2620 | fatal("Couldn't initialise connection to server")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2620 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Couldn't initialise connection to server" ); |
| 2621 | |
| 2622 | if (!quiet) { |
| 2623 | if (sftp_direct == NULL((void *)0)) |
| 2624 | fprintf(stderr(&__sF[2]), "Connected to %s.\n", host); |
| 2625 | else |
| 2626 | fprintf(stderr(&__sF[2]), "Attached to %s.\n", sftp_direct); |
| 2627 | } |
| 2628 | |
| 2629 | err = interactive_loop(conn, file1, file2); |
| 2630 | |
| 2631 | close(in); |
| 2632 | close(out); |
| 2633 | if (batchmode) |
| 2634 | fclose(infile); |
| 2635 | |
| 2636 | while (waitpid(sshpid, NULL((void *)0), 0) == -1 && sshpid > 1) |
| 2637 | if (errno(*__errno()) != EINTR4) |
| 2638 | fatal("Couldn't wait for ssh process: %s",sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2639 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Couldn't wait for ssh process: %s" , strerror((*__errno()))) |
| 2639 | strerror(errno))sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2639 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Couldn't wait for ssh process: %s" , strerror((*__errno()))); |
| 2640 | |
| 2641 | exit(err == 0 ? 0 : 1); |
| 2642 | } |