File: | src/usr.bin/ssh/sftp/../sftp.c |
Warning: | line 1408, column 13 Null pointer passed as 1st argument to string length function |
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1 | /* $OpenBSD: sftp.c,v 1.212 2021/09/11 09:05:50 schwarze 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 | ||||
53 | /* File to read commands from */ | |||
54 | FILE* infile; | |||
55 | ||||
56 | /* Are we in batchfile mode? */ | |||
57 | int batchmode = 0; | |||
58 | ||||
59 | /* PID of ssh transport process */ | |||
60 | static volatile pid_t sshpid = -1; | |||
61 | ||||
62 | /* Suppress diagnostic messages */ | |||
63 | int quiet = 0; | |||
64 | ||||
65 | /* This is set to 0 if the progressmeter is not desired. */ | |||
66 | int showprogress = 1; | |||
67 | ||||
68 | /* When this option is set, we always recursively download/upload directories */ | |||
69 | int global_rflag = 0; | |||
70 | ||||
71 | /* When this option is set, we resume download or upload if possible */ | |||
72 | int global_aflag = 0; | |||
73 | ||||
74 | /* When this option is set, the file transfers will always preserve times */ | |||
75 | int global_pflag = 0; | |||
76 | ||||
77 | /* When this option is set, transfers will have fsync() called on each file */ | |||
78 | int global_fflag = 0; | |||
79 | ||||
80 | /* SIGINT received during command processing */ | |||
81 | volatile sig_atomic_t interrupted = 0; | |||
82 | ||||
83 | /* I wish qsort() took a separate ctx for the comparison function...*/ | |||
84 | int sort_flag; | |||
85 | glob_t *sort_glob; | |||
86 | ||||
87 | /* Context used for commandline completion */ | |||
88 | struct complete_ctx { | |||
89 | struct sftp_conn *conn; | |||
90 | char **remote_pathp; | |||
91 | }; | |||
92 | ||||
93 | int remote_glob(struct sftp_conn *, const char *, int, | |||
94 | int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */ | |||
95 | ||||
96 | /* Separators for interactive commands */ | |||
97 | #define WHITESPACE" \t\r\n" " \t\r\n" | |||
98 | ||||
99 | /* ls flags */ | |||
100 | #define LS_LONG_VIEW0x0001 0x0001 /* Full view ala ls -l */ | |||
101 | #define LS_SHORT_VIEW0x0002 0x0002 /* Single row view ala ls -1 */ | |||
102 | #define LS_NUMERIC_VIEW0x0004 0x0004 /* Long view with numeric uid/gid */ | |||
103 | #define LS_NAME_SORT0x0008 0x0008 /* Sort by name (default) */ | |||
104 | #define LS_TIME_SORT0x0010 0x0010 /* Sort by mtime */ | |||
105 | #define LS_SIZE_SORT0x0020 0x0020 /* Sort by file size */ | |||
106 | #define LS_REVERSE_SORT0x0040 0x0040 /* Reverse sort order */ | |||
107 | #define LS_SHOW_ALL0x0080 0x0080 /* Don't skip filenames starting with '.' */ | |||
108 | #define LS_SI_UNITS0x0100 0x0100 /* Display sizes as K, M, G, etc. */ | |||
109 | ||||
110 | #define VIEW_FLAGS(0x0001|0x0002|0x0004|0x0100) (LS_LONG_VIEW0x0001|LS_SHORT_VIEW0x0002|LS_NUMERIC_VIEW0x0004|LS_SI_UNITS0x0100) | |||
111 | #define SORT_FLAGS(0x0008|0x0010|0x0020) (LS_NAME_SORT0x0008|LS_TIME_SORT0x0010|LS_SIZE_SORT0x0020) | |||
112 | ||||
113 | /* Commands for interactive mode */ | |||
114 | enum sftp_command { | |||
115 | I_CHDIR = 1, | |||
116 | I_CHGRP, | |||
117 | I_CHMOD, | |||
118 | I_CHOWN, | |||
119 | I_DF, | |||
120 | I_GET, | |||
121 | I_HELP, | |||
122 | I_LCHDIR, | |||
123 | I_LINK, | |||
124 | I_LLS, | |||
125 | I_LMKDIR, | |||
126 | I_LPWD, | |||
127 | I_LS, | |||
128 | I_LUMASK, | |||
129 | I_MKDIR, | |||
130 | I_PUT, | |||
131 | I_PWD, | |||
132 | I_QUIT, | |||
133 | I_REGET, | |||
134 | I_RENAME, | |||
135 | I_REPUT, | |||
136 | I_RM, | |||
137 | I_RMDIR, | |||
138 | I_SHELL, | |||
139 | I_SYMLINK, | |||
140 | I_VERSION, | |||
141 | I_PROGRESS, | |||
142 | }; | |||
143 | ||||
144 | struct CMD { | |||
145 | const char *c; | |||
146 | const int n; | |||
147 | const int t; | |||
148 | }; | |||
149 | ||||
150 | /* Type of completion */ | |||
151 | #define NOARGS0 0 | |||
152 | #define REMOTE1 1 | |||
153 | #define LOCAL2 2 | |||
154 | ||||
155 | static const struct CMD cmds[] = { | |||
156 | { "bye", I_QUIT, NOARGS0 }, | |||
157 | { "cd", I_CHDIR, REMOTE1 }, | |||
158 | { "chdir", I_CHDIR, REMOTE1 }, | |||
159 | { "chgrp", I_CHGRP, REMOTE1 }, | |||
160 | { "chmod", I_CHMOD, REMOTE1 }, | |||
161 | { "chown", I_CHOWN, REMOTE1 }, | |||
162 | { "df", I_DF, REMOTE1 }, | |||
163 | { "dir", I_LS, REMOTE1 }, | |||
164 | { "exit", I_QUIT, NOARGS0 }, | |||
165 | { "get", I_GET, REMOTE1 }, | |||
166 | { "help", I_HELP, NOARGS0 }, | |||
167 | { "lcd", I_LCHDIR, LOCAL2 }, | |||
168 | { "lchdir", I_LCHDIR, LOCAL2 }, | |||
169 | { "lls", I_LLS, LOCAL2 }, | |||
170 | { "lmkdir", I_LMKDIR, LOCAL2 }, | |||
171 | { "ln", I_LINK, REMOTE1 }, | |||
172 | { "lpwd", I_LPWD, LOCAL2 }, | |||
173 | { "ls", I_LS, REMOTE1 }, | |||
174 | { "lumask", I_LUMASK, NOARGS0 }, | |||
175 | { "mkdir", I_MKDIR, REMOTE1 }, | |||
176 | { "mget", I_GET, REMOTE1 }, | |||
177 | { "mput", I_PUT, LOCAL2 }, | |||
178 | { "progress", I_PROGRESS, NOARGS0 }, | |||
179 | { "put", I_PUT, LOCAL2 }, | |||
180 | { "pwd", I_PWD, REMOTE1 }, | |||
181 | { "quit", I_QUIT, NOARGS0 }, | |||
182 | { "reget", I_REGET, REMOTE1 }, | |||
183 | { "rename", I_RENAME, REMOTE1 }, | |||
184 | { "reput", I_REPUT, LOCAL2 }, | |||
185 | { "rm", I_RM, REMOTE1 }, | |||
186 | { "rmdir", I_RMDIR, REMOTE1 }, | |||
187 | { "symlink", I_SYMLINK, REMOTE1 }, | |||
188 | { "version", I_VERSION, NOARGS0 }, | |||
189 | { "!", I_SHELL, NOARGS0 }, | |||
190 | { "?", I_HELP, NOARGS0 }, | |||
191 | { NULL((void *)0), -1, -1 } | |||
192 | }; | |||
193 | ||||
194 | /* ARGSUSED */ | |||
195 | static void | |||
196 | killchild(int signo) | |||
197 | { | |||
198 | pid_t pid; | |||
199 | ||||
200 | pid = sshpid; | |||
201 | if (pid > 1) { | |||
202 | kill(pid, SIGTERM15); | |||
203 | waitpid(pid, NULL((void *)0), 0); | |||
204 | } | |||
205 | ||||
206 | _exit(1); | |||
207 | } | |||
208 | ||||
209 | /* ARGSUSED */ | |||
210 | static void | |||
211 | suspchild(int signo) | |||
212 | { | |||
213 | if (sshpid > 1) { | |||
214 | kill(sshpid, signo); | |||
215 | while (waitpid(sshpid, NULL((void *)0), WUNTRACED2) == -1 && errno(*__errno()) == EINTR4) | |||
216 | continue; | |||
217 | } | |||
218 | kill(getpid(), SIGSTOP17); | |||
219 | } | |||
220 | ||||
221 | /* ARGSUSED */ | |||
222 | static void | |||
223 | cmd_interrupt(int signo) | |||
224 | { | |||
225 | const char msg[] = "\rInterrupt \n"; | |||
226 | int olderrno = errno(*__errno()); | |||
227 | ||||
228 | (void)write(STDERR_FILENO2, msg, sizeof(msg) - 1); | |||
229 | interrupted = 1; | |||
230 | errno(*__errno()) = olderrno; | |||
231 | } | |||
232 | ||||
233 | /* ARGSUSED */ | |||
234 | static void | |||
235 | read_interrupt(int signo) | |||
236 | { | |||
237 | interrupted = 1; | |||
238 | } | |||
239 | ||||
240 | /*ARGSUSED*/ | |||
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), WNOHANG1)) == -1 && errno(*__errno()) == EINTR4) | |||
250 | continue; | |||
251 | if (pid == sshpid) { | |||
252 | (void)write(STDERR_FILENO2, msg, sizeof(msg) - 1); | |||
253 | sshpid = -1; | |||
254 | } | |||
255 | ||||
256 | errno(*__errno()) = save_errno; | |||
257 | } | |||
258 | ||||
259 | static void | |||
260 | help(void) | |||
261 | { | |||
262 | printf("Available commands:\n" | |||
263 | "bye Quit sftp\n" | |||
264 | "cd path Change remote directory to 'path'\n" | |||
265 | "chgrp [-h] grp path Change group of file 'path' to 'grp'\n" | |||
266 | "chmod [-h] mode path Change permissions of file 'path' to 'mode'\n" | |||
267 | "chown [-h] own path Change owner of file 'path' to 'own'\n" | |||
268 | "df [-hi] [path] Display statistics for current directory or\n" | |||
269 | " filesystem containing 'path'\n" | |||
270 | "exit Quit sftp\n" | |||
271 | "get [-afpR] remote [local] Download file\n" | |||
272 | "help Display this help text\n" | |||
273 | "lcd path Change local directory to 'path'\n" | |||
274 | "lls [ls-options [path]] Display local directory listing\n" | |||
275 | "lmkdir path Create local directory\n" | |||
276 | "ln [-s] oldpath newpath Link remote file (-s for symlink)\n" | |||
277 | "lpwd Print local working directory\n" | |||
278 | "ls [-1afhlnrSt] [path] Display remote directory listing\n" | |||
279 | "lumask umask Set local umask to 'umask'\n" | |||
280 | "mkdir path Create remote directory\n" | |||
281 | "progress Toggle display of progress meter\n" | |||
282 | "put [-afpR] local [remote] Upload file\n" | |||
283 | "pwd Display remote working directory\n" | |||
284 | "quit Quit sftp\n" | |||
285 | "reget [-fpR] remote [local] Resume download file\n" | |||
286 | "rename oldpath newpath Rename remote file\n" | |||
287 | "reput [-fpR] local [remote] Resume upload file\n" | |||
288 | "rm path Delete remote file\n" | |||
289 | "rmdir path Remove remote directory\n" | |||
290 | "symlink oldpath newpath Symlink remote file\n" | |||
291 | "version Show SFTP version\n" | |||
292 | "!command Execute 'command' in local shell\n" | |||
293 | "! Escape to local shell\n" | |||
294 | "? Synonym for help\n"); | |||
295 | } | |||
296 | ||||
297 | static void | |||
298 | local_do_shell(const char *args) | |||
299 | { | |||
300 | int status; | |||
301 | char *shell; | |||
302 | pid_t pid; | |||
303 | ||||
304 | if (!*args) | |||
305 | args = NULL((void *)0); | |||
306 | ||||
307 | if ((shell = getenv("SHELL")) == NULL((void *)0) || *shell == '\0') | |||
308 | shell = _PATH_BSHELL"/bin/sh"; | |||
309 | ||||
310 | if ((pid = fork()) == -1) | |||
311 | fatal("Couldn't fork: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 311 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Couldn't fork: %s", strerror ((*__errno()))); | |||
312 | ||||
313 | if (pid == 0) { | |||
314 | /* XXX: child has pipe fds to ssh subproc open - issue? */ | |||
315 | if (args) { | |||
316 | debug3("Executing %s -c \"%s\"", shell, args)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 316, 0 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "Executing %s -c \"%s\"", shell, args); | |||
317 | execl(shell, shell, "-c", args, (char *)NULL((void *)0)); | |||
318 | } else { | |||
319 | debug3("Executing %s", shell)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 319, 0 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "Executing %s", shell); | |||
320 | execl(shell, shell, (char *)NULL((void *)0)); | |||
321 | } | |||
322 | fprintf(stderr(&__sF[2]), "Couldn't execute \"%s\": %s\n", shell, | |||
323 | strerror(errno(*__errno()))); | |||
324 | _exit(1); | |||
325 | } | |||
326 | while (waitpid(pid, &status, 0) == -1) | |||
327 | if (errno(*__errno()) != EINTR4) | |||
328 | fatal("Couldn't wait for child: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 328 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Couldn't wait for child: %s" , strerror((*__errno()))); | |||
329 | if (!WIFEXITED(status)(((status) & 0177) == 0)) | |||
330 | error("Shell exited abnormally")sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 330, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Shell exited abnormally"); | |||
331 | else if (WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff)) | |||
332 | error("Shell exited with status %d", WEXITSTATUS(status))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 332, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Shell exited with status %d" , (int)(((unsigned)(status) >> 8) & 0xff)); | |||
333 | } | |||
334 | ||||
335 | static void | |||
336 | local_do_ls(const char *args) | |||
337 | { | |||
338 | if (!args || !*args) | |||
339 | local_do_shell(_PATH_LS"ls"); | |||
340 | else { | |||
341 | int len = strlen(_PATH_LS"ls" " ") + strlen(args) + 1; | |||
342 | char *buf = xmalloc(len); | |||
343 | ||||
344 | /* XXX: quoting - rip quoting code from ftp? */ | |||
345 | snprintf(buf, len, _PATH_LS"ls" " %s", args); | |||
346 | local_do_shell(buf); | |||
347 | free(buf); | |||
348 | } | |||
349 | } | |||
350 | ||||
351 | /* Strip one path (usually the pwd) from the start of another */ | |||
352 | static char * | |||
353 | path_strip(const char *path, const char *strip) | |||
354 | { | |||
355 | size_t len; | |||
356 | ||||
357 | if (strip == NULL((void *)0)) | |||
358 | return (xstrdup(path)); | |||
359 | ||||
360 | len = strlen(strip); | |||
361 | if (strncmp(path, strip, len) == 0) { | |||
362 | if (strip[len - 1] != '/' && path[len] == '/') | |||
363 | len++; | |||
364 | return (xstrdup(path + len)); | |||
365 | } | |||
366 | ||||
367 | return (xstrdup(path)); | |||
368 | } | |||
369 | ||||
370 | static int | |||
371 | parse_getput_flags(const char *cmd, char **argv, int argc, | |||
372 | int *aflag, int *fflag, int *pflag, int *rflag) | |||
373 | { | |||
374 | extern int opterr, optind, optopt, optreset; | |||
375 | int ch; | |||
376 | ||||
377 | optind = optreset = 1; | |||
378 | opterr = 0; | |||
379 | ||||
380 | *aflag = *fflag = *rflag = *pflag = 0; | |||
381 | while ((ch = getopt(argc, argv, "afPpRr")) != -1) { | |||
382 | switch (ch) { | |||
383 | case 'a': | |||
384 | *aflag = 1; | |||
385 | break; | |||
386 | case 'f': | |||
387 | *fflag = 1; | |||
388 | break; | |||
389 | case 'p': | |||
390 | case 'P': | |||
391 | *pflag = 1; | |||
392 | break; | |||
393 | case 'r': | |||
394 | case 'R': | |||
395 | *rflag = 1; | |||
396 | break; | |||
397 | default: | |||
398 | error("%s: Invalid flag -%c", cmd, optopt)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 398, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: Invalid flag -%c", cmd , optopt); | |||
399 | return -1; | |||
400 | } | |||
401 | } | |||
402 | ||||
403 | return optind; | |||
404 | } | |||
405 | ||||
406 | static int | |||
407 | parse_link_flags(const char *cmd, char **argv, int argc, int *sflag) | |||
408 | { | |||
409 | extern int opterr, optind, optopt, optreset; | |||
410 | int ch; | |||
411 | ||||
412 | optind = optreset = 1; | |||
413 | opterr = 0; | |||
414 | ||||
415 | *sflag = 0; | |||
416 | while ((ch = getopt(argc, argv, "s")) != -1) { | |||
417 | switch (ch) { | |||
418 | case 's': | |||
419 | *sflag = 1; | |||
420 | break; | |||
421 | default: | |||
422 | error("%s: Invalid flag -%c", cmd, optopt)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 422, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: Invalid flag -%c", cmd , optopt); | |||
423 | return -1; | |||
424 | } | |||
425 | } | |||
426 | ||||
427 | return optind; | |||
428 | } | |||
429 | ||||
430 | static int | |||
431 | parse_rename_flags(const char *cmd, char **argv, int argc, int *lflag) | |||
432 | { | |||
433 | extern int opterr, optind, optopt, optreset; | |||
434 | int ch; | |||
435 | ||||
436 | optind = optreset = 1; | |||
437 | opterr = 0; | |||
438 | ||||
439 | *lflag = 0; | |||
440 | while ((ch = getopt(argc, argv, "l")) != -1) { | |||
441 | switch (ch) { | |||
442 | case 'l': | |||
443 | *lflag = 1; | |||
444 | break; | |||
445 | default: | |||
446 | error("%s: Invalid flag -%c", cmd, optopt)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 446, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: Invalid flag -%c", cmd , optopt); | |||
447 | return -1; | |||
448 | } | |||
449 | } | |||
450 | ||||
451 | return optind; | |||
452 | } | |||
453 | ||||
454 | static int | |||
455 | parse_ls_flags(char **argv, int argc, int *lflag) | |||
456 | { | |||
457 | extern int opterr, optind, optopt, optreset; | |||
458 | int ch; | |||
459 | ||||
460 | optind = optreset = 1; | |||
461 | opterr = 0; | |||
462 | ||||
463 | *lflag = LS_NAME_SORT0x0008; | |||
464 | while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) { | |||
465 | switch (ch) { | |||
466 | case '1': | |||
467 | *lflag &= ~VIEW_FLAGS(0x0001|0x0002|0x0004|0x0100); | |||
468 | *lflag |= LS_SHORT_VIEW0x0002; | |||
469 | break; | |||
470 | case 'S': | |||
471 | *lflag &= ~SORT_FLAGS(0x0008|0x0010|0x0020); | |||
472 | *lflag |= LS_SIZE_SORT0x0020; | |||
473 | break; | |||
474 | case 'a': | |||
475 | *lflag |= LS_SHOW_ALL0x0080; | |||
476 | break; | |||
477 | case 'f': | |||
478 | *lflag &= ~SORT_FLAGS(0x0008|0x0010|0x0020); | |||
479 | break; | |||
480 | case 'h': | |||
481 | *lflag |= LS_SI_UNITS0x0100; | |||
482 | break; | |||
483 | case 'l': | |||
484 | *lflag &= ~LS_SHORT_VIEW0x0002; | |||
485 | *lflag |= LS_LONG_VIEW0x0001; | |||
486 | break; | |||
487 | case 'n': | |||
488 | *lflag &= ~LS_SHORT_VIEW0x0002; | |||
489 | *lflag |= LS_NUMERIC_VIEW0x0004|LS_LONG_VIEW0x0001; | |||
490 | break; | |||
491 | case 'r': | |||
492 | *lflag |= LS_REVERSE_SORT0x0040; | |||
493 | break; | |||
494 | case 't': | |||
495 | *lflag &= ~SORT_FLAGS(0x0008|0x0010|0x0020); | |||
496 | *lflag |= LS_TIME_SORT0x0010; | |||
497 | break; | |||
498 | default: | |||
499 | error("ls: Invalid flag -%c", optopt)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 499, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "ls: Invalid flag -%c", optopt ); | |||
500 | return -1; | |||
501 | } | |||
502 | } | |||
503 | ||||
504 | return optind; | |||
505 | } | |||
506 | ||||
507 | static int | |||
508 | parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag) | |||
509 | { | |||
510 | extern int opterr, optind, optopt, optreset; | |||
511 | int ch; | |||
512 | ||||
513 | optind = optreset = 1; | |||
514 | opterr = 0; | |||
515 | ||||
516 | *hflag = *iflag = 0; | |||
517 | while ((ch = getopt(argc, argv, "hi")) != -1) { | |||
518 | switch (ch) { | |||
519 | case 'h': | |||
520 | *hflag = 1; | |||
521 | break; | |||
522 | case 'i': | |||
523 | *iflag = 1; | |||
524 | break; | |||
525 | default: | |||
526 | error("%s: Invalid flag -%c", cmd, optopt)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 526, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: Invalid flag -%c", cmd , optopt); | |||
527 | return -1; | |||
528 | } | |||
529 | } | |||
530 | ||||
531 | return optind; | |||
532 | } | |||
533 | ||||
534 | static int | |||
535 | parse_ch_flags(const char *cmd, char **argv, int argc, int *hflag) | |||
536 | { | |||
537 | extern int opterr, optind, optopt, optreset; | |||
538 | int ch; | |||
539 | ||||
540 | optind = optreset = 1; | |||
541 | opterr = 0; | |||
542 | ||||
543 | *hflag = 0; | |||
544 | while ((ch = getopt(argc, argv, "h")) != -1) { | |||
545 | switch (ch) { | |||
546 | case 'h': | |||
547 | *hflag = 1; | |||
548 | break; | |||
549 | default: | |||
550 | error("%s: Invalid flag -%c", cmd, optopt)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 550, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: Invalid flag -%c", cmd , optopt); | |||
551 | return -1; | |||
552 | } | |||
553 | } | |||
554 | ||||
555 | return optind; | |||
556 | } | |||
557 | ||||
558 | static int | |||
559 | parse_no_flags(const char *cmd, char **argv, int argc) | |||
560 | { | |||
561 | extern int opterr, optind, optopt, optreset; | |||
562 | int ch; | |||
563 | ||||
564 | optind = optreset = 1; | |||
565 | opterr = 0; | |||
566 | ||||
567 | while ((ch = getopt(argc, argv, "")) != -1) { | |||
568 | switch (ch) { | |||
569 | default: | |||
570 | error("%s: Invalid flag -%c", cmd, optopt)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 570, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: Invalid flag -%c", cmd , optopt); | |||
571 | return -1; | |||
572 | } | |||
573 | } | |||
574 | ||||
575 | return optind; | |||
576 | } | |||
577 | ||||
578 | static int | |||
579 | process_get(struct sftp_conn *conn, const char *src, const char *dst, | |||
580 | const char *pwd, int pflag, int rflag, int resume, int fflag) | |||
581 | { | |||
582 | char *abs_src = NULL((void *)0); | |||
583 | char *abs_dst = NULL((void *)0); | |||
584 | glob_t g; | |||
585 | char *filename, *tmp=NULL((void *)0); | |||
586 | int i, r, err = 0; | |||
587 | ||||
588 | abs_src = xstrdup(src); | |||
589 | abs_src = make_absolute(abs_src, pwd); | |||
590 | memset(&g, 0, sizeof(g)); | |||
591 | ||||
592 | debug3("Looking up %s", abs_src)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 592, 0 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "Looking up %s", abs_src); | |||
593 | if ((r = remote_glob(conn, abs_src, GLOB_MARK0x0008, NULL((void *)0), &g)) != 0) { | |||
594 | if (r == GLOB_NOSPACE(-1)) { | |||
595 | error("Too many matches for \"%s\".", abs_src)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 595, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Too many matches for \"%s\"." , abs_src); | |||
596 | } else { | |||
597 | error("File \"%s\" not found.", abs_src)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 597, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "File \"%s\" not found.", abs_src ); | |||
598 | } | |||
599 | err = -1; | |||
600 | goto out; | |||
601 | } | |||
602 | ||||
603 | /* | |||
604 | * If multiple matches then dst must be a directory or | |||
605 | * unspecified. | |||
606 | */ | |||
607 | if (g.gl_matchc > 1 && dst != NULL((void *)0) && !local_is_dir(dst)) { | |||
608 | error("Multiple source paths, but destination "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 609, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Multiple source paths, but destination " "\"%s\" is not a directory", dst) | |||
609 | "\"%s\" is not a directory", dst)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 609, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Multiple source paths, but destination " "\"%s\" is not a directory", dst); | |||
610 | err = -1; | |||
611 | goto out; | |||
612 | } | |||
613 | ||||
614 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { | |||
615 | tmp = xstrdup(g.gl_pathv[i]); | |||
616 | if ((filename = basename(tmp)) == NULL((void *)0)) { | |||
617 | error("basename %s: %s", tmp, strerror(errno))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 617, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "basename %s: %s", tmp, strerror ((*__errno()))); | |||
618 | free(tmp); | |||
619 | err = -1; | |||
620 | goto out; | |||
621 | } | |||
622 | ||||
623 | if (g.gl_matchc == 1 && dst) { | |||
624 | if (local_is_dir(dst)) { | |||
625 | abs_dst = path_append(dst, filename); | |||
626 | } else { | |||
627 | abs_dst = xstrdup(dst); | |||
628 | } | |||
629 | } else if (dst) { | |||
630 | abs_dst = path_append(dst, filename); | |||
631 | } else { | |||
632 | abs_dst = xstrdup(filename); | |||
633 | } | |||
634 | free(tmp); | |||
635 | ||||
636 | resume |= global_aflag; | |||
637 | if (!quiet && resume) | |||
638 | mprintf("Resuming %s to %s\n", | |||
639 | g.gl_pathv[i], abs_dst); | |||
640 | else if (!quiet && !resume) | |||
641 | mprintf("Fetching %s to %s\n", | |||
642 | g.gl_pathv[i], abs_dst); | |||
643 | /* XXX follow link flag */ | |||
644 | if (globpath_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) { | |||
645 | if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL((void *)0), | |||
646 | pflag || global_pflag, 1, resume, | |||
647 | fflag || global_fflag, 0) == -1) | |||
648 | err = -1; | |||
649 | } else { | |||
650 | if (do_download(conn, g.gl_pathv[i], abs_dst, NULL((void *)0), | |||
651 | pflag || global_pflag, resume, | |||
652 | fflag || global_fflag) == -1) | |||
653 | err = -1; | |||
654 | } | |||
655 | free(abs_dst); | |||
656 | abs_dst = NULL((void *)0); | |||
657 | } | |||
658 | ||||
659 | out: | |||
660 | free(abs_src); | |||
661 | globfree(&g); | |||
662 | return(err); | |||
663 | } | |||
664 | ||||
665 | static int | |||
666 | process_put(struct sftp_conn *conn, const char *src, const char *dst, | |||
667 | const char *pwd, int pflag, int rflag, int resume, int fflag) | |||
668 | { | |||
669 | char *tmp_dst = NULL((void *)0); | |||
670 | char *abs_dst = NULL((void *)0); | |||
671 | char *tmp = NULL((void *)0), *filename = NULL((void *)0); | |||
672 | glob_t g; | |||
673 | int err = 0; | |||
674 | int i, dst_is_dir = 1; | |||
675 | struct stat sb; | |||
676 | ||||
677 | if (dst) { | |||
678 | tmp_dst = xstrdup(dst); | |||
679 | tmp_dst = make_absolute(tmp_dst, pwd); | |||
680 | } | |||
681 | ||||
682 | memset(&g, 0, sizeof(g)); | |||
683 | debug3("Looking up %s", src)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 683, 0 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "Looking up %s", src); | |||
684 | if (glob(src, GLOB_NOCHECK0x0010 | GLOB_MARK0x0008, NULL((void *)0), &g)) { | |||
685 | error("File \"%s\" not found.", src)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 685, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "File \"%s\" not found.", src ); | |||
686 | err = -1; | |||
687 | goto out; | |||
688 | } | |||
689 | ||||
690 | /* If we aren't fetching to pwd then stash this status for later */ | |||
691 | if (tmp_dst != NULL((void *)0)) | |||
692 | dst_is_dir = remote_is_dir(conn, tmp_dst); | |||
693 | ||||
694 | /* If multiple matches, dst may be directory or unspecified */ | |||
695 | if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) { | |||
696 | error("Multiple paths match, but destination "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 697, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Multiple paths match, but destination " "\"%s\" is not a directory", tmp_dst) | |||
697 | "\"%s\" is not a directory", tmp_dst)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 697, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Multiple paths match, but destination " "\"%s\" is not a directory", tmp_dst); | |||
698 | err = -1; | |||
699 | goto out; | |||
700 | } | |||
701 | ||||
702 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { | |||
703 | if (stat(g.gl_pathv[i], &sb) == -1) { | |||
704 | err = -1; | |||
705 | error("stat %s: %s", g.gl_pathv[i], strerror(errno))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 705, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "stat %s: %s", g.gl_pathv[ i], strerror((*__errno()))); | |||
706 | continue; | |||
707 | } | |||
708 | ||||
709 | tmp = xstrdup(g.gl_pathv[i]); | |||
710 | if ((filename = basename(tmp)) == NULL((void *)0)) { | |||
711 | error("basename %s: %s", tmp, strerror(errno))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 711, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "basename %s: %s", tmp, strerror ((*__errno()))); | |||
712 | free(tmp); | |||
713 | err = -1; | |||
714 | goto out; | |||
715 | } | |||
716 | ||||
717 | if (g.gl_matchc == 1 && tmp_dst) { | |||
718 | /* If directory specified, append filename */ | |||
719 | if (dst_is_dir) | |||
720 | abs_dst = path_append(tmp_dst, filename); | |||
721 | else | |||
722 | abs_dst = xstrdup(tmp_dst); | |||
723 | } else if (tmp_dst) { | |||
724 | abs_dst = path_append(tmp_dst, filename); | |||
725 | } else { | |||
726 | abs_dst = make_absolute(xstrdup(filename), pwd); | |||
727 | } | |||
728 | free(tmp); | |||
729 | ||||
730 | resume |= global_aflag; | |||
731 | if (!quiet && resume) | |||
732 | mprintf("Resuming upload of %s to %s\n", | |||
733 | g.gl_pathv[i], abs_dst); | |||
734 | else if (!quiet && !resume) | |||
735 | mprintf("Uploading %s to %s\n", | |||
736 | g.gl_pathv[i], abs_dst); | |||
737 | /* XXX follow_link_flag */ | |||
738 | if (globpath_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) { | |||
739 | if (upload_dir(conn, g.gl_pathv[i], abs_dst, | |||
740 | pflag || global_pflag, 1, resume, | |||
741 | fflag || global_fflag, 0) == -1) | |||
742 | err = -1; | |||
743 | } else { | |||
744 | if (do_upload(conn, g.gl_pathv[i], abs_dst, | |||
745 | pflag || global_pflag, resume, | |||
746 | fflag || global_fflag) == -1) | |||
747 | err = -1; | |||
748 | } | |||
749 | } | |||
750 | ||||
751 | out: | |||
752 | free(abs_dst); | |||
753 | free(tmp_dst); | |||
754 | globfree(&g); | |||
755 | return(err); | |||
756 | } | |||
757 | ||||
758 | static int | |||
759 | sdirent_comp(const void *aa, const void *bb) | |||
760 | { | |||
761 | SFTP_DIRENT *a = *(SFTP_DIRENT **)aa; | |||
762 | SFTP_DIRENT *b = *(SFTP_DIRENT **)bb; | |||
763 | int rmul = sort_flag & LS_REVERSE_SORT0x0040 ? -1 : 1; | |||
764 | ||||
765 | #define NCMP(a,b)(a == b ? 0 : (a < b ? 1 : -1)) (a == b ? 0 : (a < b ? 1 : -1)) | |||
766 | if (sort_flag & LS_NAME_SORT0x0008) | |||
767 | return (rmul * strcmp(a->filename, b->filename)); | |||
768 | else if (sort_flag & LS_TIME_SORT0x0010) | |||
769 | return (rmul * NCMP(a->a.mtime, b->a.mtime)(a->a.mtime == b->a.mtime ? 0 : (a->a.mtime < b-> a.mtime ? 1 : -1))); | |||
770 | else if (sort_flag & LS_SIZE_SORT0x0020) | |||
771 | return (rmul * NCMP(a->a.size, b->a.size)(a->a.size == b->a.size ? 0 : (a->a.size < b-> a.size ? 1 : -1))); | |||
772 | ||||
773 | fatal("Unknown ls sort type")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 773 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unknown ls sort type"); | |||
774 | } | |||
775 | ||||
776 | /* sftp ls.1 replacement for directories */ | |||
777 | static int | |||
778 | do_ls_dir(struct sftp_conn *conn, const char *path, | |||
779 | const char *strip_path, int lflag) | |||
780 | { | |||
781 | int n; | |||
782 | u_int c = 1, colspace = 0, columns = 1; | |||
783 | SFTP_DIRENT **d; | |||
784 | ||||
785 | if ((n = do_readdir(conn, path, &d)) != 0) | |||
786 | return (n); | |||
787 | ||||
788 | if (!(lflag & LS_SHORT_VIEW0x0002)) { | |||
789 | u_int m = 0, width = 80; | |||
790 | struct winsize ws; | |||
791 | char *tmp; | |||
792 | ||||
793 | /* Count entries for sort and find longest filename */ | |||
794 | for (n = 0; d[n] != NULL((void *)0); n++) { | |||
795 | if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL0x0080)) | |||
796 | m = MAXIMUM(m, strlen(d[n]->filename))(((m) > (strlen(d[n]->filename))) ? (m) : (strlen(d[n]-> filename))); | |||
797 | } | |||
798 | ||||
799 | /* Add any subpath that also needs to be counted */ | |||
800 | tmp = path_strip(path, strip_path); | |||
801 | m += strlen(tmp); | |||
802 | free(tmp); | |||
803 | ||||
804 | 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) | |||
805 | width = ws.ws_col; | |||
806 | ||||
807 | columns = width / (m + 2); | |||
808 | columns = MAXIMUM(columns, 1)(((columns) > (1)) ? (columns) : (1)); | |||
809 | colspace = width / columns; | |||
810 | colspace = MINIMUM(colspace, width)(((colspace) < (width)) ? (colspace) : (width)); | |||
811 | } | |||
812 | ||||
813 | if (lflag & SORT_FLAGS(0x0008|0x0010|0x0020)) { | |||
814 | for (n = 0; d[n] != NULL((void *)0); n++) | |||
815 | ; /* count entries */ | |||
816 | sort_flag = lflag & (SORT_FLAGS(0x0008|0x0010|0x0020)|LS_REVERSE_SORT0x0040); | |||
817 | qsort(d, n, sizeof(*d), sdirent_comp); | |||
818 | } | |||
819 | ||||
820 | for (n = 0; d[n] != NULL((void *)0) && !interrupted; n++) { | |||
821 | char *tmp, *fname; | |||
822 | ||||
823 | if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL0x0080)) | |||
824 | continue; | |||
825 | ||||
826 | tmp = path_append(path, d[n]->filename); | |||
827 | fname = path_strip(tmp, strip_path); | |||
828 | free(tmp); | |||
829 | ||||
830 | if (lflag & LS_LONG_VIEW0x0001) { | |||
831 | if (lflag & (LS_NUMERIC_VIEW0x0004|LS_SI_UNITS0x0100)) { | |||
832 | char *lname; | |||
833 | struct stat sb; | |||
834 | ||||
835 | memset(&sb, 0, sizeof(sb)); | |||
836 | attrib_to_stat(&d[n]->a, &sb); | |||
837 | lname = ls_file(fname, &sb, 1, | |||
838 | (lflag & LS_SI_UNITS0x0100)); | |||
839 | mprintf("%s\n", lname); | |||
840 | free(lname); | |||
841 | } else | |||
842 | mprintf("%s\n", d[n]->longname); | |||
843 | } else { | |||
844 | mprintf("%-*s", colspace, fname); | |||
845 | if (c >= columns) { | |||
846 | printf("\n"); | |||
847 | c = 1; | |||
848 | } else | |||
849 | c++; | |||
850 | } | |||
851 | ||||
852 | free(fname); | |||
853 | } | |||
854 | ||||
855 | if (!(lflag & LS_LONG_VIEW0x0001) && (c != 1)) | |||
856 | printf("\n"); | |||
857 | ||||
858 | free_sftp_dirents(d); | |||
859 | return (0); | |||
860 | } | |||
861 | ||||
862 | static int | |||
863 | sglob_comp(const void *aa, const void *bb) | |||
864 | { | |||
865 | u_int a = *(const u_int *)aa; | |||
866 | u_int b = *(const u_int *)bb; | |||
867 | const char *ap = sort_glob->gl_pathv[a]; | |||
868 | const char *bp = sort_glob->gl_pathv[b]; | |||
869 | const struct stat *as = sort_glob->gl_statv[a]; | |||
870 | const struct stat *bs = sort_glob->gl_statv[b]; | |||
871 | int rmul = sort_flag & LS_REVERSE_SORT0x0040 ? -1 : 1; | |||
872 | ||||
873 | #define NCMP(a,b)(a == b ? 0 : (a < b ? 1 : -1)) (a == b ? 0 : (a < b ? 1 : -1)) | |||
874 | if (sort_flag & LS_NAME_SORT0x0008) | |||
875 | return (rmul * strcmp(ap, bp)); | |||
876 | else if (sort_flag & LS_TIME_SORT0x0010) { | |||
877 | 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))) | |||
878 | return 0; | |||
879 | 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)) ? | |||
880 | rmul : -rmul; | |||
881 | } else if (sort_flag & LS_SIZE_SORT0x0020) | |||
882 | return (rmul * NCMP(as->st_size, bs->st_size)(as->st_size == bs->st_size ? 0 : (as->st_size < bs ->st_size ? 1 : -1))); | |||
883 | ||||
884 | fatal("Unknown ls sort type")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 884 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unknown ls sort type"); | |||
885 | } | |||
886 | ||||
887 | /* sftp ls.1 replacement which handles path globs */ | |||
888 | static int | |||
889 | do_globbed_ls(struct sftp_conn *conn, const char *path, | |||
890 | const char *strip_path, int lflag) | |||
891 | { | |||
892 | char *fname, *lname; | |||
893 | glob_t g; | |||
894 | int err, r; | |||
895 | struct winsize ws; | |||
896 | u_int i, j, nentries, *indices = NULL((void *)0), c = 1; | |||
897 | u_int colspace = 0, columns = 1, m = 0, width = 80; | |||
898 | ||||
899 | memset(&g, 0, sizeof(g)); | |||
900 | ||||
901 | if ((r = remote_glob(conn, path, | |||
902 | GLOB_MARK0x0008|GLOB_NOCHECK0x0010|GLOB_BRACE0x0080|GLOB_KEEPSTAT0x4000|GLOB_NOSORT0x0020, | |||
903 | NULL((void *)0), &g)) != 0 || | |||
904 | (g.gl_pathc && !g.gl_matchc)) { | |||
905 | if (g.gl_pathc) | |||
906 | globfree(&g); | |||
907 | if (r == GLOB_NOSPACE(-1)) { | |||
908 | error("Can't ls: Too many matches for \"%s\"", path)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 908, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Can't ls: Too many matches for \"%s\"" , path); | |||
909 | } else { | |||
910 | error("Can't ls: \"%s\" not found", path)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 910, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Can't ls: \"%s\" not found" , path); | |||
911 | } | |||
912 | return -1; | |||
913 | } | |||
914 | ||||
915 | if (interrupted) | |||
916 | goto out; | |||
917 | ||||
918 | /* | |||
919 | * If the glob returns a single match and it is a directory, | |||
920 | * then just list its contents. | |||
921 | */ | |||
922 | if (g.gl_matchc == 1 && g.gl_statv[0] != NULL((void *)0) && | |||
923 | S_ISDIR(g.gl_statv[0]->st_mode)((g.gl_statv[0]->st_mode & 0170000) == 0040000)) { | |||
924 | err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag); | |||
925 | globfree(&g); | |||
926 | return err; | |||
927 | } | |||
928 | ||||
929 | 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) | |||
930 | width = ws.ws_col; | |||
931 | ||||
932 | if (!(lflag & LS_SHORT_VIEW0x0002)) { | |||
933 | /* Count entries for sort and find longest filename */ | |||
934 | for (i = 0; g.gl_pathv[i]; i++) | |||
935 | m = MAXIMUM(m, strlen(g.gl_pathv[i]))(((m) > (strlen(g.gl_pathv[i]))) ? (m) : (strlen(g.gl_pathv [i]))); | |||
936 | ||||
937 | columns = width / (m + 2); | |||
938 | columns = MAXIMUM(columns, 1)(((columns) > (1)) ? (columns) : (1)); | |||
939 | colspace = width / columns; | |||
940 | } | |||
941 | ||||
942 | /* | |||
943 | * Sorting: rather than mess with the contents of glob_t, prepare | |||
944 | * an array of indices into it and sort that. For the usual | |||
945 | * unsorted case, the indices are just the identity 1=1, 2=2, etc. | |||
946 | */ | |||
947 | for (nentries = 0; g.gl_pathv[nentries] != NULL((void *)0); nentries++) | |||
948 | ; /* count entries */ | |||
949 | indices = calloc(nentries, sizeof(*indices)); | |||
950 | for (i = 0; i < nentries; i++) | |||
951 | indices[i] = i; | |||
952 | ||||
953 | if (lflag & SORT_FLAGS(0x0008|0x0010|0x0020)) { | |||
954 | sort_glob = &g; | |||
955 | sort_flag = lflag & (SORT_FLAGS(0x0008|0x0010|0x0020)|LS_REVERSE_SORT0x0040); | |||
956 | qsort(indices, nentries, sizeof(*indices), sglob_comp); | |||
957 | sort_glob = NULL((void *)0); | |||
958 | } | |||
959 | ||||
960 | for (j = 0; j < nentries && !interrupted; j++) { | |||
961 | i = indices[j]; | |||
962 | fname = path_strip(g.gl_pathv[i], strip_path); | |||
963 | if (lflag & LS_LONG_VIEW0x0001) { | |||
964 | if (g.gl_statv[i] == NULL((void *)0)) { | |||
965 | error("no stat information for %s", fname)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 965, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "no stat information for %s" , fname); | |||
966 | continue; | |||
967 | } | |||
968 | lname = ls_file(fname, g.gl_statv[i], 1, | |||
969 | (lflag & LS_SI_UNITS0x0100)); | |||
970 | mprintf("%s\n", lname); | |||
971 | free(lname); | |||
972 | } else { | |||
973 | mprintf("%-*s", colspace, fname); | |||
974 | if (c >= columns) { | |||
975 | printf("\n"); | |||
976 | c = 1; | |||
977 | } else | |||
978 | c++; | |||
979 | } | |||
980 | free(fname); | |||
981 | } | |||
982 | ||||
983 | if (!(lflag & LS_LONG_VIEW0x0001) && (c != 1)) | |||
984 | printf("\n"); | |||
985 | ||||
986 | out: | |||
987 | if (g.gl_pathc) | |||
988 | globfree(&g); | |||
989 | free(indices); | |||
990 | ||||
991 | return 0; | |||
992 | } | |||
993 | ||||
994 | static int | |||
995 | do_df(struct sftp_conn *conn, const char *path, int hflag, int iflag) | |||
996 | { | |||
997 | struct sftp_statvfs st; | |||
998 | char s_used[FMT_SCALED_STRSIZE7], s_avail[FMT_SCALED_STRSIZE7]; | |||
999 | char s_root[FMT_SCALED_STRSIZE7], s_total[FMT_SCALED_STRSIZE7]; | |||
1000 | char s_icapacity[16], s_dcapacity[16]; | |||
1001 | ||||
1002 | if (do_statvfs(conn, path, &st, 1) == -1) | |||
1003 | return -1; | |||
1004 | if (st.f_files == 0) | |||
1005 | strlcpy(s_icapacity, "ERR", sizeof(s_icapacity)); | |||
1006 | else { | |||
1007 | snprintf(s_icapacity, sizeof(s_icapacity), "%3llu%%", | |||
1008 | (unsigned long long)(100 * (st.f_files - st.f_ffree) / | |||
1009 | st.f_files)); | |||
1010 | } | |||
1011 | if (st.f_blocks == 0) | |||
1012 | strlcpy(s_dcapacity, "ERR", sizeof(s_dcapacity)); | |||
1013 | else { | |||
1014 | snprintf(s_dcapacity, sizeof(s_dcapacity), "%3llu%%", | |||
1015 | (unsigned long long)(100 * (st.f_blocks - st.f_bfree) / | |||
1016 | st.f_blocks)); | |||
1017 | } | |||
1018 | if (iflag) { | |||
1019 | printf(" Inodes Used Avail " | |||
1020 | "(root) %%Capacity\n"); | |||
1021 | printf("%11llu %11llu %11llu %11llu %s\n", | |||
1022 | (unsigned long long)st.f_files, | |||
1023 | (unsigned long long)(st.f_files - st.f_ffree), | |||
1024 | (unsigned long long)st.f_favail, | |||
1025 | (unsigned long long)st.f_ffree, s_icapacity); | |||
1026 | } else if (hflag) { | |||
1027 | strlcpy(s_used, "error", sizeof(s_used)); | |||
1028 | strlcpy(s_avail, "error", sizeof(s_avail)); | |||
1029 | strlcpy(s_root, "error", sizeof(s_root)); | |||
1030 | strlcpy(s_total, "error", sizeof(s_total)); | |||
1031 | fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used); | |||
1032 | fmt_scaled(st.f_bavail * st.f_frsize, s_avail); | |||
1033 | fmt_scaled(st.f_bfree * st.f_frsize, s_root); | |||
1034 | fmt_scaled(st.f_blocks * st.f_frsize, s_total); | |||
1035 | printf(" Size Used Avail (root) %%Capacity\n"); | |||
1036 | printf("%7sB %7sB %7sB %7sB %s\n", | |||
1037 | s_total, s_used, s_avail, s_root, s_dcapacity); | |||
1038 | } else { | |||
1039 | printf(" Size Used Avail " | |||
1040 | "(root) %%Capacity\n"); | |||
1041 | printf("%12llu %12llu %12llu %12llu %s\n", | |||
1042 | (unsigned long long)(st.f_frsize * st.f_blocks / 1024), | |||
1043 | (unsigned long long)(st.f_frsize * | |||
1044 | (st.f_blocks - st.f_bfree) / 1024), | |||
1045 | (unsigned long long)(st.f_frsize * st.f_bavail / 1024), | |||
1046 | (unsigned long long)(st.f_frsize * st.f_bfree / 1024), | |||
1047 | s_dcapacity); | |||
1048 | } | |||
1049 | return 0; | |||
1050 | } | |||
1051 | ||||
1052 | /* | |||
1053 | * Undo escaping of glob sequences in place. Used to undo extra escaping | |||
1054 | * applied in makeargv() when the string is destined for a function that | |||
1055 | * does not glob it. | |||
1056 | */ | |||
1057 | static void | |||
1058 | undo_glob_escape(char *s) | |||
1059 | { | |||
1060 | size_t i, j; | |||
1061 | ||||
1062 | for (i = j = 0;;) { | |||
1063 | if (s[i] == '\0') { | |||
1064 | s[j] = '\0'; | |||
1065 | return; | |||
1066 | } | |||
1067 | if (s[i] != '\\') { | |||
1068 | s[j++] = s[i++]; | |||
1069 | continue; | |||
1070 | } | |||
1071 | /* s[i] == '\\' */ | |||
1072 | ++i; | |||
1073 | switch (s[i]) { | |||
1074 | case '?': | |||
1075 | case '[': | |||
1076 | case '*': | |||
1077 | case '\\': | |||
1078 | s[j++] = s[i++]; | |||
1079 | break; | |||
1080 | case '\0': | |||
1081 | s[j++] = '\\'; | |||
1082 | s[j] = '\0'; | |||
1083 | return; | |||
1084 | default: | |||
1085 | s[j++] = '\\'; | |||
1086 | s[j++] = s[i++]; | |||
1087 | break; | |||
1088 | } | |||
1089 | } | |||
1090 | } | |||
1091 | ||||
1092 | /* | |||
1093 | * Split a string into an argument vector using sh(1)-style quoting, | |||
1094 | * comment and escaping rules, but with some tweaks to handle glob(3) | |||
1095 | * wildcards. | |||
1096 | * The "sloppy" flag allows for recovery from missing terminating quote, for | |||
1097 | * use in parsing incomplete commandlines during tab autocompletion. | |||
1098 | * | |||
1099 | * Returns NULL on error or a NULL-terminated array of arguments. | |||
1100 | * | |||
1101 | * If "lastquote" is not NULL, the quoting character used for the last | |||
1102 | * argument is placed in *lastquote ("\0", "'" or "\""). | |||
1103 | * | |||
1104 | * If "terminated" is not NULL, *terminated will be set to 1 when the | |||
1105 | * last argument's quote has been properly terminated or 0 otherwise. | |||
1106 | * This parameter is only of use if "sloppy" is set. | |||
1107 | */ | |||
1108 | #define MAXARGS128 128 | |||
1109 | #define MAXARGLEN8192 8192 | |||
1110 | static char ** | |||
1111 | makeargv(const char *arg, int *argcp, int sloppy, char *lastquote, | |||
1112 | u_int *terminated) | |||
1113 | { | |||
1114 | int argc, quot; | |||
1115 | size_t i, j; | |||
1116 | static char argvs[MAXARGLEN8192]; | |||
1117 | static char *argv[MAXARGS128 + 1]; | |||
1118 | enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q; | |||
1119 | ||||
1120 | *argcp = argc = 0; | |||
1121 | if (strlen(arg) > sizeof(argvs) - 1) { | |||
1122 | args_too_longs: | |||
1123 | error("string too long")sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1123, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "string too long"); | |||
1124 | return NULL((void *)0); | |||
1125 | } | |||
1126 | if (terminated != NULL((void *)0)) | |||
1127 | *terminated = 1; | |||
1128 | if (lastquote != NULL((void *)0)) | |||
1129 | *lastquote = '\0'; | |||
1130 | state = MA_START; | |||
1131 | i = j = 0; | |||
1132 | for (;;) { | |||
1133 | if ((size_t)argc >= sizeof(argv) / sizeof(*argv)){ | |||
1134 | error("Too many arguments.")sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1134, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Too many arguments."); | |||
1135 | return NULL((void *)0); | |||
1136 | } | |||
1137 | if (isspace((unsigned char)arg[i])) { | |||
1138 | if (state == MA_UNQUOTED) { | |||
1139 | /* Terminate current argument */ | |||
1140 | argvs[j++] = '\0'; | |||
1141 | argc++; | |||
1142 | state = MA_START; | |||
1143 | } else if (state != MA_START) | |||
1144 | argvs[j++] = arg[i]; | |||
1145 | } else if (arg[i] == '"' || arg[i] == '\'') { | |||
1146 | q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE; | |||
1147 | if (state == MA_START) { | |||
1148 | argv[argc] = argvs + j; | |||
1149 | state = q; | |||
1150 | if (lastquote != NULL((void *)0)) | |||
1151 | *lastquote = arg[i]; | |||
1152 | } else if (state == MA_UNQUOTED) | |||
1153 | state = q; | |||
1154 | else if (state == q) | |||
1155 | state = MA_UNQUOTED; | |||
1156 | else | |||
1157 | argvs[j++] = arg[i]; | |||
1158 | } else if (arg[i] == '\\') { | |||
1159 | if (state == MA_SQUOTE || state == MA_DQUOTE) { | |||
1160 | quot = state == MA_SQUOTE ? '\'' : '"'; | |||
1161 | /* Unescape quote we are in */ | |||
1162 | /* XXX support \n and friends? */ | |||
1163 | if (arg[i + 1] == quot) { | |||
1164 | i++; | |||
1165 | argvs[j++] = arg[i]; | |||
1166 | } else if (arg[i + 1] == '?' || | |||
1167 | arg[i + 1] == '[' || arg[i + 1] == '*') { | |||
1168 | /* | |||
1169 | * Special case for sftp: append | |||
1170 | * double-escaped glob sequence - | |||
1171 | * glob will undo one level of | |||
1172 | * escaping. NB. string can grow here. | |||
1173 | */ | |||
1174 | if (j >= sizeof(argvs) - 5) | |||
1175 | goto args_too_longs; | |||
1176 | argvs[j++] = '\\'; | |||
1177 | argvs[j++] = arg[i++]; | |||
1178 | argvs[j++] = '\\'; | |||
1179 | argvs[j++] = arg[i]; | |||
1180 | } else { | |||
1181 | argvs[j++] = arg[i++]; | |||
1182 | argvs[j++] = arg[i]; | |||
1183 | } | |||
1184 | } else { | |||
1185 | if (state == MA_START) { | |||
1186 | argv[argc] = argvs + j; | |||
1187 | state = MA_UNQUOTED; | |||
1188 | if (lastquote != NULL((void *)0)) | |||
1189 | *lastquote = '\0'; | |||
1190 | } | |||
1191 | if (arg[i + 1] == '?' || arg[i + 1] == '[' || | |||
1192 | arg[i + 1] == '*' || arg[i + 1] == '\\') { | |||
1193 | /* | |||
1194 | * Special case for sftp: append | |||
1195 | * escaped glob sequence - | |||
1196 | * glob will undo one level of | |||
1197 | * escaping. | |||
1198 | */ | |||
1199 | argvs[j++] = arg[i++]; | |||
1200 | argvs[j++] = arg[i]; | |||
1201 | } else { | |||
1202 | /* Unescape everything */ | |||
1203 | /* XXX support \n and friends? */ | |||
1204 | i++; | |||
1205 | argvs[j++] = arg[i]; | |||
1206 | } | |||
1207 | } | |||
1208 | } else if (arg[i] == '#') { | |||
1209 | if (state == MA_SQUOTE || state == MA_DQUOTE) | |||
1210 | argvs[j++] = arg[i]; | |||
1211 | else | |||
1212 | goto string_done; | |||
1213 | } else if (arg[i] == '\0') { | |||
1214 | if (state == MA_SQUOTE || state == MA_DQUOTE) { | |||
1215 | if (sloppy) { | |||
1216 | state = MA_UNQUOTED; | |||
1217 | if (terminated != NULL((void *)0)) | |||
1218 | *terminated = 0; | |||
1219 | goto string_done; | |||
1220 | } | |||
1221 | error("Unterminated quoted argument")sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1221, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Unterminated quoted argument" ); | |||
1222 | return NULL((void *)0); | |||
1223 | } | |||
1224 | string_done: | |||
1225 | if (state == MA_UNQUOTED) { | |||
1226 | argvs[j++] = '\0'; | |||
1227 | argc++; | |||
1228 | } | |||
1229 | break; | |||
1230 | } else { | |||
1231 | if (state == MA_START) { | |||
1232 | argv[argc] = argvs + j; | |||
1233 | state = MA_UNQUOTED; | |||
1234 | if (lastquote != NULL((void *)0)) | |||
1235 | *lastquote = '\0'; | |||
1236 | } | |||
1237 | if ((state == MA_SQUOTE || state == MA_DQUOTE) && | |||
1238 | (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) { | |||
1239 | /* | |||
1240 | * Special case for sftp: escape quoted | |||
1241 | * glob(3) wildcards. NB. string can grow | |||
1242 | * here. | |||
1243 | */ | |||
1244 | if (j >= sizeof(argvs) - 3) | |||
1245 | goto args_too_longs; | |||
1246 | argvs[j++] = '\\'; | |||
1247 | argvs[j++] = arg[i]; | |||
1248 | } else | |||
1249 | argvs[j++] = arg[i]; | |||
1250 | } | |||
1251 | i++; | |||
1252 | } | |||
1253 | *argcp = argc; | |||
1254 | return argv; | |||
1255 | } | |||
1256 | ||||
1257 | static int | |||
1258 | parse_args(const char **cpp, int *ignore_errors, int *disable_echo, int *aflag, | |||
1259 | int *fflag, int *hflag, int *iflag, int *lflag, int *pflag, | |||
1260 | int *rflag, int *sflag, | |||
1261 | unsigned long *n_arg, char **path1, char **path2) | |||
1262 | { | |||
1263 | const char *cmd, *cp = *cpp; | |||
1264 | char *cp2, **argv; | |||
1265 | int base = 0; | |||
1266 | long long ll; | |||
1267 | int path1_mandatory = 0, i, cmdnum, optidx, argc; | |||
1268 | ||||
1269 | /* Skip leading whitespace */ | |||
1270 | cp = cp + strspn(cp, WHITESPACE" \t\r\n"); | |||
1271 | ||||
1272 | /* | |||
1273 | * Check for leading '-' (disable error processing) and '@' (suppress | |||
1274 | * command echo) | |||
1275 | */ | |||
1276 | *ignore_errors = 0; | |||
1277 | *disable_echo = 0; | |||
1278 | for (;*cp != '\0'; cp++) { | |||
| ||||
1279 | if (*cp == '-') { | |||
1280 | *ignore_errors = 1; | |||
1281 | } else if (*cp == '@') { | |||
1282 | *disable_echo = 1; | |||
1283 | } else { | |||
1284 | /* all other characters terminate prefix processing */ | |||
1285 | break; | |||
1286 | } | |||
1287 | } | |||
1288 | cp = cp + strspn(cp, WHITESPACE" \t\r\n"); | |||
1289 | ||||
1290 | /* Ignore blank lines and lines which begin with comment '#' char */ | |||
1291 | if (*cp == '\0' || *cp == '#') | |||
1292 | return (0); | |||
1293 | ||||
1294 | if ((argv = makeargv(cp, &argc, 0, NULL((void *)0), NULL((void *)0))) == NULL((void *)0)) | |||
1295 | return -1; | |||
1296 | ||||
1297 | /* Figure out which command we have */ | |||
1298 | for (i = 0; cmds[i].c != NULL((void *)0); i++) { | |||
1299 | if (argv[0] != NULL((void *)0) && strcasecmp(cmds[i].c, argv[0]) == 0) | |||
1300 | break; | |||
1301 | } | |||
1302 | cmdnum = cmds[i].n; | |||
1303 | cmd = cmds[i].c; | |||
1304 | ||||
1305 | /* Special case */ | |||
1306 | if (*cp == '!') { | |||
1307 | cp++; | |||
1308 | cmdnum = I_SHELL; | |||
1309 | } else if (cmdnum == -1) { | |||
1310 | error("Invalid command.")sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1310, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Invalid command."); | |||
1311 | return -1; | |||
1312 | } | |||
1313 | ||||
1314 | /* Get arguments and parse flags */ | |||
1315 | *aflag = *fflag = *hflag = *iflag = *lflag = *pflag = 0; | |||
1316 | *rflag = *sflag = 0; | |||
1317 | *path1 = *path2 = NULL((void *)0); | |||
1318 | optidx = 1; | |||
1319 | switch (cmdnum) { | |||
1320 | case I_GET: | |||
1321 | case I_REGET: | |||
1322 | case I_REPUT: | |||
1323 | case I_PUT: | |||
1324 | if ((optidx = parse_getput_flags(cmd, argv, argc, | |||
1325 | aflag, fflag, pflag, rflag)) == -1) | |||
1326 | return -1; | |||
1327 | /* Get first pathname (mandatory) */ | |||
1328 | if (argc - optidx < 1) { | |||
1329 | error("You must specify at least one path after a "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1330, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must specify at least one path after a " "%s command.", cmd) | |||
1330 | "%s command.", cmd)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1330, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must specify at least one path after a " "%s command.", cmd); | |||
1331 | return -1; | |||
1332 | } | |||
1333 | *path1 = xstrdup(argv[optidx]); | |||
1334 | /* Get second pathname (optional) */ | |||
1335 | if (argc - optidx > 1) { | |||
1336 | *path2 = xstrdup(argv[optidx + 1]); | |||
1337 | /* Destination is not globbed */ | |||
1338 | undo_glob_escape(*path2); | |||
1339 | } | |||
1340 | break; | |||
1341 | case I_LINK: | |||
1342 | if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1) | |||
1343 | return -1; | |||
1344 | goto parse_two_paths; | |||
1345 | case I_RENAME: | |||
1346 | if ((optidx = parse_rename_flags(cmd, argv, argc, lflag)) == -1) | |||
1347 | return -1; | |||
1348 | goto parse_two_paths; | |||
1349 | case I_SYMLINK: | |||
1350 | if ((optidx = parse_no_flags(cmd, argv, argc)) == -1) | |||
1351 | return -1; | |||
1352 | parse_two_paths: | |||
1353 | if (argc - optidx < 2) { | |||
1354 | error("You must specify two paths after a %s "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1355, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must specify two paths after a %s " "command.", cmd) | |||
1355 | "command.", cmd)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1355, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must specify two paths after a %s " "command.", cmd); | |||
1356 | return -1; | |||
1357 | } | |||
1358 | *path1 = xstrdup(argv[optidx]); | |||
1359 | *path2 = xstrdup(argv[optidx + 1]); | |||
1360 | /* Paths are not globbed */ | |||
1361 | undo_glob_escape(*path1); | |||
1362 | undo_glob_escape(*path2); | |||
1363 | break; | |||
1364 | case I_RM: | |||
1365 | case I_MKDIR: | |||
1366 | case I_RMDIR: | |||
1367 | case I_LMKDIR: | |||
1368 | path1_mandatory = 1; | |||
1369 | /* FALLTHROUGH */ | |||
1370 | case I_CHDIR: | |||
1371 | case I_LCHDIR: | |||
1372 | if ((optidx = parse_no_flags(cmd, argv, argc)) == -1) | |||
1373 | return -1; | |||
1374 | /* Get pathname (mandatory) */ | |||
1375 | if (argc - optidx < 1) { | |||
1376 | if (!path1_mandatory) | |||
1377 | break; /* return a NULL path1 */ | |||
1378 | error("You must specify a path after a %s command.",sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1379, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must specify a path after a %s command." , cmd) | |||
1379 | cmd)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1379, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must specify a path after a %s command." , cmd); | |||
1380 | return -1; | |||
1381 | } | |||
1382 | *path1 = xstrdup(argv[optidx]); | |||
1383 | /* Only "rm" globs */ | |||
1384 | if (cmdnum != I_RM) | |||
1385 | undo_glob_escape(*path1); | |||
1386 | break; | |||
1387 | case I_DF: | |||
1388 | if ((optidx = parse_df_flags(cmd, argv, argc, hflag, | |||
1389 | iflag)) == -1) | |||
1390 | return -1; | |||
1391 | /* Default to current directory if no path specified */ | |||
1392 | if (argc - optidx < 1) | |||
1393 | *path1 = NULL((void *)0); | |||
1394 | else { | |||
1395 | *path1 = xstrdup(argv[optidx]); | |||
1396 | undo_glob_escape(*path1); | |||
1397 | } | |||
1398 | break; | |||
1399 | case I_LS: | |||
1400 | if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1) | |||
1401 | return(-1); | |||
1402 | /* Path is optional */ | |||
1403 | if (argc - optidx > 0) | |||
1404 | *path1 = xstrdup(argv[optidx]); | |||
1405 | break; | |||
1406 | case I_LLS: | |||
1407 | /* Skip ls command and following whitespace */ | |||
1408 | cp = cp + strlen(cmd) + strspn(cp, WHITESPACE" \t\r\n"); | |||
| ||||
1409 | case I_SHELL: | |||
1410 | /* Uses the rest of the line */ | |||
1411 | break; | |||
1412 | case I_LUMASK: | |||
1413 | case I_CHMOD: | |||
1414 | base = 8; | |||
1415 | /* FALLTHROUGH */ | |||
1416 | case I_CHOWN: | |||
1417 | case I_CHGRP: | |||
1418 | if ((optidx = parse_ch_flags(cmd, argv, argc, hflag)) == -1) | |||
1419 | return -1; | |||
1420 | /* Get numeric arg (mandatory) */ | |||
1421 | if (argc - optidx < 1) | |||
1422 | goto need_num_arg; | |||
1423 | errno(*__errno()) = 0; | |||
1424 | ll = strtoll(argv[optidx], &cp2, base); | |||
1425 | if (cp2 == argv[optidx] || *cp2 != '\0' || | |||
1426 | ((ll == LLONG_MIN(-9223372036854775807LL -1LL) || ll == LLONG_MAX9223372036854775807LL) && errno(*__errno()) == ERANGE34) || | |||
1427 | ll < 0 || ll > UINT32_MAX0xffffffffU) { | |||
1428 | need_num_arg: | |||
1429 | error("You must supply a numeric argument "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1430, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must supply a numeric argument " "to the %s command.", cmd) | |||
1430 | "to the %s command.", cmd)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1430, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "You must supply a numeric argument " "to the %s command.", cmd); | |||
1431 | return -1; | |||
1432 | } | |||
1433 | *n_arg = ll; | |||
1434 | if (cmdnum == I_LUMASK) | |||
1435 | break; | |||
1436 | /* Get pathname (mandatory) */ | |||
1437 | if (argc - optidx < 2) { | |||
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 + 1]); | |||
1443 | break; | |||
1444 | case I_QUIT: | |||
1445 | case I_PWD: | |||
1446 | case I_LPWD: | |||
1447 | case I_HELP: | |||
1448 | case I_VERSION: | |||
1449 | case I_PROGRESS: | |||
1450 | if ((optidx = parse_no_flags(cmd, argv, argc)) == -1) | |||
1451 | return -1; | |||
1452 | break; | |||
1453 | default: | |||
1454 | fatal("Command not implemented")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1454 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Command not implemented" ); | |||
1455 | } | |||
1456 | ||||
1457 | *cpp = cp; | |||
1458 | return(cmdnum); | |||
1459 | } | |||
1460 | ||||
1461 | static int | |||
1462 | parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd, | |||
1463 | const char *startdir, int err_abort, int echo_command) | |||
1464 | { | |||
1465 | const char *ocmd = cmd; | |||
1466 | char *path1, *path2, *tmp; | |||
1467 | int ignore_errors = 0, disable_echo = 1; | |||
1468 | int aflag = 0, fflag = 0, hflag = 0, iflag = 0; | |||
1469 | int lflag = 0, pflag = 0, rflag = 0, sflag = 0; | |||
1470 | int cmdnum, i; | |||
1471 | unsigned long n_arg = 0; | |||
1472 | Attrib a, *aa; | |||
1473 | char path_buf[PATH_MAX1024]; | |||
1474 | int err = 0; | |||
1475 | glob_t g; | |||
1476 | ||||
1477 | path1 = path2 = NULL((void *)0); | |||
1478 | cmdnum = parse_args(&cmd, &ignore_errors, &disable_echo, &aflag, &fflag, | |||
1479 | &hflag, &iflag, &lflag, &pflag, &rflag, &sflag, &n_arg, | |||
1480 | &path1, &path2); | |||
1481 | if (ignore_errors != 0) | |||
1482 | err_abort = 0; | |||
1483 | ||||
1484 | if (echo_command && !disable_echo) | |||
1485 | mprintf("sftp> %s\n", ocmd); | |||
1486 | ||||
1487 | memset(&g, 0, sizeof(g)); | |||
1488 | ||||
1489 | /* Perform command */ | |||
1490 | switch (cmdnum) { | |||
1491 | case 0: | |||
1492 | /* Blank line */ | |||
1493 | break; | |||
1494 | case -1: | |||
1495 | /* Unrecognized command */ | |||
1496 | err = -1; | |||
1497 | break; | |||
1498 | case I_REGET: | |||
1499 | aflag = 1; | |||
1500 | /* FALLTHROUGH */ | |||
1501 | case I_GET: | |||
1502 | err = process_get(conn, path1, path2, *pwd, pflag, | |||
1503 | rflag, aflag, fflag); | |||
1504 | break; | |||
1505 | case I_REPUT: | |||
1506 | aflag = 1; | |||
1507 | /* FALLTHROUGH */ | |||
1508 | case I_PUT: | |||
1509 | err = process_put(conn, path1, path2, *pwd, pflag, | |||
1510 | rflag, aflag, fflag); | |||
1511 | break; | |||
1512 | case I_RENAME: | |||
1513 | path1 = make_absolute(path1, *pwd); | |||
1514 | path2 = make_absolute(path2, *pwd); | |||
1515 | err = do_rename(conn, path1, path2, lflag); | |||
1516 | break; | |||
1517 | case I_SYMLINK: | |||
1518 | sflag = 1; | |||
1519 | /* FALLTHROUGH */ | |||
1520 | case I_LINK: | |||
1521 | if (!sflag) | |||
1522 | path1 = make_absolute(path1, *pwd); | |||
1523 | path2 = make_absolute(path2, *pwd); | |||
1524 | err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2); | |||
1525 | break; | |||
1526 | case I_RM: | |||
1527 | path1 = make_absolute(path1, *pwd); | |||
1528 | remote_glob(conn, path1, GLOB_NOCHECK0x0010, NULL((void *)0), &g); | |||
1529 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { | |||
1530 | if (!quiet) | |||
1531 | mprintf("Removing %s\n", g.gl_pathv[i]); | |||
1532 | err = do_rm(conn, g.gl_pathv[i]); | |||
1533 | if (err != 0 && err_abort) | |||
1534 | break; | |||
1535 | } | |||
1536 | break; | |||
1537 | case I_MKDIR: | |||
1538 | path1 = make_absolute(path1, *pwd); | |||
1539 | attrib_clear(&a); | |||
1540 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS0x00000004; | |||
1541 | a.perm = 0777; | |||
1542 | err = do_mkdir(conn, path1, &a, 1); | |||
1543 | break; | |||
1544 | case I_RMDIR: | |||
1545 | path1 = make_absolute(path1, *pwd); | |||
1546 | err = do_rmdir(conn, path1); | |||
1547 | break; | |||
1548 | case I_CHDIR: | |||
1549 | if (path1 == NULL((void *)0) || *path1 == '\0') | |||
1550 | path1 = xstrdup(startdir); | |||
1551 | path1 = make_absolute(path1, *pwd); | |||
1552 | if ((tmp = do_realpath(conn, path1)) == NULL((void *)0)) { | |||
1553 | err = 1; | |||
1554 | break; | |||
1555 | } | |||
1556 | if ((aa = do_stat(conn, tmp, 0)) == NULL((void *)0)) { | |||
1557 | free(tmp); | |||
1558 | err = 1; | |||
1559 | break; | |||
1560 | } | |||
1561 | if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS0x00000004)) { | |||
1562 | error("Can't change directory: Can't check target")sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1562, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't change directory: Can't check target" ); | |||
1563 | free(tmp); | |||
1564 | err = 1; | |||
1565 | break; | |||
1566 | } | |||
1567 | if (!S_ISDIR(aa->perm)((aa->perm & 0170000) == 0040000)) { | |||
1568 | error("Can't change directory: \"%s\" is not "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1569, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't change directory: \"%s\" is not " "a directory", tmp) | |||
1569 | "a directory", tmp)sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1569, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't change directory: \"%s\" is not " "a directory", tmp); | |||
1570 | free(tmp); | |||
1571 | err = 1; | |||
1572 | break; | |||
1573 | } | |||
1574 | free(*pwd); | |||
1575 | *pwd = tmp; | |||
1576 | break; | |||
1577 | case I_LS: | |||
1578 | if (!path1) { | |||
1579 | do_ls_dir(conn, *pwd, *pwd, lflag); | |||
1580 | break; | |||
1581 | } | |||
1582 | ||||
1583 | /* Strip pwd off beginning of non-absolute paths */ | |||
1584 | tmp = NULL((void *)0); | |||
1585 | if (!path_absolute(path1)) | |||
1586 | tmp = *pwd; | |||
1587 | ||||
1588 | path1 = make_absolute(path1, *pwd); | |||
1589 | err = do_globbed_ls(conn, path1, tmp, lflag); | |||
1590 | break; | |||
1591 | case I_DF: | |||
1592 | /* Default to current directory if no path specified */ | |||
1593 | if (path1 == NULL((void *)0)) | |||
1594 | path1 = xstrdup(*pwd); | |||
1595 | path1 = make_absolute(path1, *pwd); | |||
1596 | err = do_df(conn, path1, hflag, iflag); | |||
1597 | break; | |||
1598 | case I_LCHDIR: | |||
1599 | if (path1 == NULL((void *)0) || *path1 == '\0') | |||
1600 | path1 = xstrdup("~"); | |||
1601 | tmp = tilde_expand_filename(path1, getuid()); | |||
1602 | free(path1); | |||
1603 | path1 = tmp; | |||
1604 | if (chdir(path1) == -1) { | |||
1605 | error("Couldn't change local directory to "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1606, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Couldn't change local directory to " "\"%s\": %s", path1, strerror((*__errno()))) | |||
1606 | "\"%s\": %s", path1, strerror(errno))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1606, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Couldn't change local directory to " "\"%s\": %s", path1, strerror((*__errno()))); | |||
1607 | err = 1; | |||
1608 | } | |||
1609 | break; | |||
1610 | case I_LMKDIR: | |||
1611 | if (mkdir(path1, 0777) == -1) { | |||
1612 | error("Couldn't create local directory "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1613, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Couldn't create local directory " "\"%s\": %s", path1, strerror((*__errno()))) | |||
1613 | "\"%s\": %s", path1, strerror(errno))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1613, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Couldn't create local directory " "\"%s\": %s", path1, strerror((*__errno()))); | |||
1614 | err = 1; | |||
1615 | } | |||
1616 | break; | |||
1617 | case I_LLS: | |||
1618 | local_do_ls(cmd); | |||
1619 | break; | |||
1620 | case I_SHELL: | |||
1621 | local_do_shell(cmd); | |||
1622 | break; | |||
1623 | case I_LUMASK: | |||
1624 | umask(n_arg); | |||
1625 | printf("Local umask: %03lo\n", n_arg); | |||
1626 | break; | |||
1627 | case I_CHMOD: | |||
1628 | path1 = make_absolute(path1, *pwd); | |||
1629 | attrib_clear(&a); | |||
1630 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS0x00000004; | |||
1631 | a.perm = n_arg; | |||
1632 | remote_glob(conn, path1, GLOB_NOCHECK0x0010, NULL((void *)0), &g); | |||
1633 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { | |||
1634 | if (!quiet) | |||
1635 | mprintf("Changing mode on %s\n", | |||
1636 | g.gl_pathv[i]); | |||
1637 | err = (hflag ? do_lsetstat : do_setstat)(conn, | |||
1638 | g.gl_pathv[i], &a); | |||
1639 | if (err != 0 && err_abort) | |||
1640 | break; | |||
1641 | } | |||
1642 | break; | |||
1643 | case I_CHOWN: | |||
1644 | case I_CHGRP: | |||
1645 | path1 = make_absolute(path1, *pwd); | |||
1646 | remote_glob(conn, path1, GLOB_NOCHECK0x0010, NULL((void *)0), &g); | |||
1647 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { | |||
1648 | if (!(aa = (hflag ? do_lstat : do_stat)(conn, | |||
1649 | g.gl_pathv[i], 0))) { | |||
1650 | if (err_abort) { | |||
1651 | err = -1; | |||
1652 | break; | |||
1653 | } else | |||
1654 | continue; | |||
1655 | } | |||
1656 | if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID0x00000002)) { | |||
1657 | error("Can't get current ownership of "sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1658, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't get current ownership of " "remote file \"%s\"", g.gl_pathv[i]) | |||
1658 | "remote file \"%s\"", g.gl_pathv[i])sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1658, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Can't get current ownership of " "remote file \"%s\"", g.gl_pathv[i]); | |||
1659 | if (err_abort) { | |||
1660 | err = -1; | |||
1661 | break; | |||
1662 | } else | |||
1663 | continue; | |||
1664 | } | |||
1665 | aa->flags &= SSH2_FILEXFER_ATTR_UIDGID0x00000002; | |||
1666 | if (cmdnum == I_CHOWN) { | |||
1667 | if (!quiet) | |||
1668 | mprintf("Changing owner on %s\n", | |||
1669 | g.gl_pathv[i]); | |||
1670 | aa->uid = n_arg; | |||
1671 | } else { | |||
1672 | if (!quiet) | |||
1673 | mprintf("Changing group on %s\n", | |||
1674 | g.gl_pathv[i]); | |||
1675 | aa->gid = n_arg; | |||
1676 | } | |||
1677 | err = (hflag ? do_lsetstat : do_setstat)(conn, | |||
1678 | g.gl_pathv[i], aa); | |||
1679 | if (err != 0 && err_abort) | |||
1680 | break; | |||
1681 | } | |||
1682 | break; | |||
1683 | case I_PWD: | |||
1684 | mprintf("Remote working directory: %s\n", *pwd); | |||
1685 | break; | |||
1686 | case I_LPWD: | |||
1687 | if (!getcwd(path_buf, sizeof(path_buf))) { | |||
1688 | error("Couldn't get local cwd: %s", strerror(errno))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1688, 0, SYSLOG_LEVEL_ERROR, ((void *)0), "Couldn't get local cwd: %s" , strerror((*__errno()))); | |||
1689 | err = -1; | |||
1690 | break; | |||
1691 | } | |||
1692 | mprintf("Local working directory: %s\n", path_buf); | |||
1693 | break; | |||
1694 | case I_QUIT: | |||
1695 | /* Processed below */ | |||
1696 | break; | |||
1697 | case I_HELP: | |||
1698 | help(); | |||
1699 | break; | |||
1700 | case I_VERSION: | |||
1701 | printf("SFTP protocol version %u\n", sftp_proto_version(conn)); | |||
1702 | break; | |||
1703 | case I_PROGRESS: | |||
1704 | showprogress = !showprogress; | |||
1705 | if (showprogress) | |||
1706 | printf("Progress meter enabled\n"); | |||
1707 | else | |||
1708 | printf("Progress meter disabled\n"); | |||
1709 | break; | |||
1710 | default: | |||
1711 | fatal("%d is not implemented", cmdnum)sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1711 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%d is not implemented" , cmdnum); | |||
1712 | } | |||
1713 | ||||
1714 | if (g.gl_pathc) | |||
1715 | globfree(&g); | |||
1716 | free(path1); | |||
1717 | free(path2); | |||
1718 | ||||
1719 | /* If an unignored error occurs in batch mode we should abort. */ | |||
1720 | if (err_abort && err != 0) | |||
1721 | return (-1); | |||
1722 | else if (cmdnum == I_QUIT) | |||
1723 | return (1); | |||
1724 | ||||
1725 | return (0); | |||
1726 | } | |||
1727 | ||||
1728 | static char * | |||
1729 | prompt(EditLine *el) | |||
1730 | { | |||
1731 | return ("sftp> "); | |||
1732 | } | |||
1733 | ||||
1734 | /* Display entries in 'list' after skipping the first 'len' chars */ | |||
1735 | static void | |||
1736 | complete_display(char **list, u_int len) | |||
1737 | { | |||
1738 | u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen; | |||
1739 | struct winsize ws; | |||
1740 | char *tmp; | |||
1741 | ||||
1742 | /* Count entries for sort and find longest */ | |||
1743 | for (y = 0; list[y]; y++) | |||
1744 | m = MAXIMUM(m, strlen(list[y]))(((m) > (strlen(list[y]))) ? (m) : (strlen(list[y]))); | |||
1745 | ||||
1746 | 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) | |||
1747 | width = ws.ws_col; | |||
1748 | ||||
1749 | m = m > len ? m - len : 0; | |||
1750 | columns = width / (m + 2); | |||
1751 | columns = MAXIMUM(columns, 1)(((columns) > (1)) ? (columns) : (1)); | |||
1752 | colspace = width / columns; | |||
1753 | colspace = MINIMUM(colspace, width)(((colspace) < (width)) ? (colspace) : (width)); | |||
1754 | ||||
1755 | printf("\n"); | |||
1756 | m = 1; | |||
1757 | for (y = 0; list[y]; y++) { | |||
1758 | llen = strlen(list[y]); | |||
1759 | tmp = llen > len ? list[y] + len : ""; | |||
1760 | mprintf("%-*s", colspace, tmp); | |||
1761 | if (m >= columns) { | |||
1762 | printf("\n"); | |||
1763 | m = 1; | |||
1764 | } else | |||
1765 | m++; | |||
1766 | } | |||
1767 | printf("\n"); | |||
1768 | } | |||
1769 | ||||
1770 | /* | |||
1771 | * Given a "list" of words that begin with a common prefix of "word", | |||
1772 | * attempt to find an autocompletion to extends "word" by the next | |||
1773 | * characters common to all entries in "list". | |||
1774 | */ | |||
1775 | static char * | |||
1776 | complete_ambiguous(const char *word, char **list, size_t count) | |||
1777 | { | |||
1778 | if (word == NULL((void *)0)) | |||
1779 | return NULL((void *)0); | |||
1780 | ||||
1781 | if (count > 0) { | |||
1782 | u_int y, matchlen = strlen(list[0]); | |||
1783 | ||||
1784 | /* Find length of common stem */ | |||
1785 | for (y = 1; list[y]; y++) { | |||
1786 | u_int x; | |||
1787 | ||||
1788 | for (x = 0; x < matchlen; x++) | |||
1789 | if (list[0][x] != list[y][x]) | |||
1790 | break; | |||
1791 | ||||
1792 | matchlen = x; | |||
1793 | } | |||
1794 | ||||
1795 | if (matchlen > strlen(word)) { | |||
1796 | char *tmp = xstrdup(list[0]); | |||
1797 | ||||
1798 | tmp[matchlen] = '\0'; | |||
1799 | return tmp; | |||
1800 | } | |||
1801 | } | |||
1802 | ||||
1803 | return xstrdup(word); | |||
1804 | } | |||
1805 | ||||
1806 | /* Autocomplete a sftp command */ | |||
1807 | static int | |||
1808 | complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote, | |||
1809 | int terminated) | |||
1810 | { | |||
1811 | u_int y, count = 0, cmdlen, tmplen; | |||
1812 | char *tmp, **list, argterm[3]; | |||
1813 | const LineInfo *lf; | |||
1814 | ||||
1815 | list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *)); | |||
1816 | ||||
1817 | /* No command specified: display all available commands */ | |||
1818 | if (cmd == NULL((void *)0)) { | |||
1819 | for (y = 0; cmds[y].c; y++) | |||
1820 | list[count++] = xstrdup(cmds[y].c); | |||
1821 | ||||
1822 | list[count] = NULL((void *)0); | |||
1823 | complete_display(list, 0); | |||
1824 | ||||
1825 | for (y = 0; list[y] != NULL((void *)0); y++) | |||
1826 | free(list[y]); | |||
1827 | free(list); | |||
1828 | return count; | |||
1829 | } | |||
1830 | ||||
1831 | /* Prepare subset of commands that start with "cmd" */ | |||
1832 | cmdlen = strlen(cmd); | |||
1833 | for (y = 0; cmds[y].c; y++) { | |||
1834 | if (!strncasecmp(cmd, cmds[y].c, cmdlen)) | |||
1835 | list[count++] = xstrdup(cmds[y].c); | |||
1836 | } | |||
1837 | list[count] = NULL((void *)0); | |||
1838 | ||||
1839 | if (count == 0) { | |||
1840 | free(list); | |||
1841 | return 0; | |||
1842 | } | |||
1843 | ||||
1844 | /* Complete ambiguous command */ | |||
1845 | tmp = complete_ambiguous(cmd, list, count); | |||
1846 | if (count > 1) | |||
1847 | complete_display(list, 0); | |||
1848 | ||||
1849 | for (y = 0; list[y]; y++) | |||
1850 | free(list[y]); | |||
1851 | free(list); | |||
1852 | ||||
1853 | if (tmp != NULL((void *)0)) { | |||
1854 | tmplen = strlen(tmp); | |||
1855 | cmdlen = strlen(cmd); | |||
1856 | /* If cmd may be extended then do so */ | |||
1857 | if (tmplen > cmdlen) | |||
1858 | if (el_insertstr(el, tmp + cmdlen) == -1) | |||
1859 | fatal("el_insertstr failed.")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1859 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "el_insertstr failed."); | |||
1860 | lf = el_line(el); | |||
1861 | /* Terminate argument cleanly */ | |||
1862 | if (count == 1) { | |||
1863 | y = 0; | |||
1864 | if (!terminated) | |||
1865 | argterm[y++] = quote; | |||
1866 | if (lastarg || *(lf->cursor) != ' ') | |||
1867 | argterm[y++] = ' '; | |||
1868 | argterm[y] = '\0'; | |||
1869 | if (y > 0 && el_insertstr(el, argterm) == -1) | |||
1870 | fatal("el_insertstr failed.")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1870 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "el_insertstr failed."); | |||
1871 | } | |||
1872 | free(tmp); | |||
1873 | } | |||
1874 | ||||
1875 | return count; | |||
1876 | } | |||
1877 | ||||
1878 | /* | |||
1879 | * Determine whether a particular sftp command's arguments (if any) | |||
1880 | * represent local or remote files. | |||
1881 | */ | |||
1882 | static int | |||
1883 | complete_is_remote(char *cmd) { | |||
1884 | int i; | |||
1885 | ||||
1886 | if (cmd == NULL((void *)0)) | |||
1887 | return -1; | |||
1888 | ||||
1889 | for (i = 0; cmds[i].c; i++) { | |||
1890 | if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c))) | |||
1891 | return cmds[i].t; | |||
1892 | } | |||
1893 | ||||
1894 | return -1; | |||
1895 | } | |||
1896 | ||||
1897 | /* Autocomplete a filename "file" */ | |||
1898 | static int | |||
1899 | complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path, | |||
1900 | char *file, int remote, int lastarg, char quote, int terminated) | |||
1901 | { | |||
1902 | glob_t g; | |||
1903 | char *tmp, *tmp2, ins[8]; | |||
1904 | u_int i, hadglob, pwdlen, len, tmplen, filelen, cesc, isesc, isabs; | |||
1905 | int clen; | |||
1906 | const LineInfo *lf; | |||
1907 | ||||
1908 | /* Glob from "file" location */ | |||
1909 | if (file == NULL((void *)0)) | |||
1910 | tmp = xstrdup("*"); | |||
1911 | else | |||
1912 | xasprintf(&tmp, "%s*", file); | |||
1913 | ||||
1914 | /* Check if the path is absolute. */ | |||
1915 | isabs = path_absolute(tmp); | |||
1916 | ||||
1917 | memset(&g, 0, sizeof(g)); | |||
1918 | if (remote != LOCAL2) { | |||
1919 | tmp = make_absolute(tmp, remote_path); | |||
1920 | remote_glob(conn, tmp, GLOB_DOOFFS0x0002|GLOB_MARK0x0008, NULL((void *)0), &g); | |||
1921 | } else | |||
1922 | glob(tmp, GLOB_DOOFFS0x0002|GLOB_MARK0x0008, NULL((void *)0), &g); | |||
1923 | ||||
1924 | /* Determine length of pwd so we can trim completion display */ | |||
1925 | for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) { | |||
1926 | /* Terminate counting on first unescaped glob metacharacter */ | |||
1927 | if (tmp[tmplen] == '*' || tmp[tmplen] == '?') { | |||
1928 | if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0') | |||
1929 | hadglob = 1; | |||
1930 | break; | |||
1931 | } | |||
1932 | if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0') | |||
1933 | tmplen++; | |||
1934 | if (tmp[tmplen] == '/') | |||
1935 | pwdlen = tmplen + 1; /* track last seen '/' */ | |||
1936 | } | |||
1937 | free(tmp); | |||
1938 | tmp = NULL((void *)0); | |||
1939 | ||||
1940 | if (g.gl_matchc == 0) | |||
1941 | goto out; | |||
1942 | ||||
1943 | if (g.gl_matchc > 1) | |||
1944 | complete_display(g.gl_pathv, pwdlen); | |||
1945 | ||||
1946 | /* Don't try to extend globs */ | |||
1947 | if (file == NULL((void *)0) || hadglob) | |||
1948 | goto out; | |||
1949 | ||||
1950 | tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc); | |||
1951 | tmp = path_strip(tmp2, isabs ? NULL((void *)0) : remote_path); | |||
1952 | free(tmp2); | |||
1953 | ||||
1954 | if (tmp == NULL((void *)0)) | |||
1955 | goto out; | |||
1956 | ||||
1957 | tmplen = strlen(tmp); | |||
1958 | filelen = strlen(file); | |||
1959 | ||||
1960 | /* Count the number of escaped characters in the input string. */ | |||
1961 | cesc = isesc = 0; | |||
1962 | for (i = 0; i < filelen; i++) { | |||
1963 | if (!isesc && file[i] == '\\' && i + 1 < filelen){ | |||
1964 | isesc = 1; | |||
1965 | cesc++; | |||
1966 | } else | |||
1967 | isesc = 0; | |||
1968 | } | |||
1969 | ||||
1970 | if (tmplen > (filelen - cesc)) { | |||
1971 | tmp2 = tmp + filelen - cesc; | |||
1972 | len = strlen(tmp2); | |||
1973 | /* quote argument on way out */ | |||
1974 | for (i = 0; i < len; i += clen) { | |||
1975 | if ((clen = mblen(tmp2 + i, len - i)) < 0 || | |||
1976 | (size_t)clen > sizeof(ins) - 2) | |||
1977 | fatal("invalid multibyte character")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1977 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "invalid multibyte character" ); | |||
1978 | ins[0] = '\\'; | |||
1979 | memcpy(ins + 1, tmp2 + i, clen); | |||
1980 | ins[clen + 1] = '\0'; | |||
1981 | switch (tmp2[i]) { | |||
1982 | case '\'': | |||
1983 | case '"': | |||
1984 | case '\\': | |||
1985 | case '\t': | |||
1986 | case '[': | |||
1987 | case ' ': | |||
1988 | case '#': | |||
1989 | case '*': | |||
1990 | if (quote == '\0' || tmp2[i] == quote) { | |||
1991 | if (el_insertstr(el, ins) == -1) | |||
1992 | fatal("el_insertstr "sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1993 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "el_insertstr " "failed." ) | |||
1993 | "failed.")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1993 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "el_insertstr " "failed." ); | |||
1994 | break; | |||
1995 | } | |||
1996 | /* FALLTHROUGH */ | |||
1997 | default: | |||
1998 | if (el_insertstr(el, ins + 1) == -1) | |||
1999 | fatal("el_insertstr failed.")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 1999 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "el_insertstr failed."); | |||
2000 | break; | |||
2001 | } | |||
2002 | } | |||
2003 | } | |||
2004 | ||||
2005 | lf = el_line(el); | |||
2006 | if (g.gl_matchc == 1) { | |||
2007 | i = 0; | |||
2008 | if (!terminated && quote != '\0') | |||
2009 | ins[i++] = quote; | |||
2010 | if (*(lf->cursor - 1) != '/' && | |||
2011 | (lastarg || *(lf->cursor) != ' ')) | |||
2012 | ins[i++] = ' '; | |||
2013 | ins[i] = '\0'; | |||
2014 | if (i > 0 && el_insertstr(el, ins) == -1) | |||
2015 | fatal("el_insertstr failed.")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2015 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "el_insertstr failed."); | |||
2016 | } | |||
2017 | free(tmp); | |||
2018 | ||||
2019 | out: | |||
2020 | globfree(&g); | |||
2021 | return g.gl_matchc; | |||
2022 | } | |||
2023 | ||||
2024 | /* tab-completion hook function, called via libedit */ | |||
2025 | static unsigned char | |||
2026 | complete(EditLine *el, int ch) | |||
2027 | { | |||
2028 | char **argv, *line, quote; | |||
2029 | int argc, carg; | |||
2030 | u_int cursor, len, terminated, ret = CC_ERROR6; | |||
2031 | const LineInfo *lf; | |||
2032 | struct complete_ctx *complete_ctx; | |||
2033 | ||||
2034 | lf = el_line(el); | |||
2035 | if (el_get(el, EL_CLIENTDATA14, (void**)&complete_ctx) != 0) | |||
2036 | fatal_f("el_get failed")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2036 , 1, SYSLOG_LEVEL_FATAL, ((void *)0), "el_get failed"); | |||
2037 | ||||
2038 | /* Figure out which argument the cursor points to */ | |||
2039 | cursor = lf->cursor - lf->buffer; | |||
2040 | line = xmalloc(cursor + 1); | |||
2041 | memcpy(line, lf->buffer, cursor); | |||
2042 | line[cursor] = '\0'; | |||
2043 | argv = makeargv(line, &carg, 1, "e, &terminated); | |||
2044 | free(line); | |||
2045 | ||||
2046 | /* Get all the arguments on the line */ | |||
2047 | len = lf->lastchar - lf->buffer; | |||
2048 | line = xmalloc(len + 1); | |||
2049 | memcpy(line, lf->buffer, len); | |||
2050 | line[len] = '\0'; | |||
2051 | argv = makeargv(line, &argc, 1, NULL((void *)0), NULL((void *)0)); | |||
2052 | ||||
2053 | /* Ensure cursor is at EOL or a argument boundary */ | |||
2054 | if (line[cursor] != ' ' && line[cursor] != '\0' && | |||
2055 | line[cursor] != '\n') { | |||
2056 | free(line); | |||
2057 | return ret; | |||
2058 | } | |||
2059 | ||||
2060 | if (carg == 0) { | |||
2061 | /* Show all available commands */ | |||
2062 | complete_cmd_parse(el, NULL((void *)0), argc == carg, '\0', 1); | |||
2063 | ret = CC_REDISPLAY8; | |||
2064 | } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') { | |||
2065 | /* Handle the command parsing */ | |||
2066 | if (complete_cmd_parse(el, argv[0], argc == carg, | |||
2067 | quote, terminated) != 0) | |||
2068 | ret = CC_REDISPLAY8; | |||
2069 | } else if (carg >= 1) { | |||
2070 | /* Handle file parsing */ | |||
2071 | int remote = complete_is_remote(argv[0]); | |||
2072 | char *filematch = NULL((void *)0); | |||
2073 | ||||
2074 | if (carg > 1 && line[cursor-1] != ' ') | |||
2075 | filematch = argv[carg - 1]; | |||
2076 | ||||
2077 | if (remote != 0 && | |||
2078 | complete_match(el, complete_ctx->conn, | |||
2079 | *complete_ctx->remote_pathp, filematch, | |||
2080 | remote, carg == argc, quote, terminated) != 0) | |||
2081 | ret = CC_REDISPLAY8; | |||
2082 | } | |||
2083 | ||||
2084 | free(line); | |||
2085 | return ret; | |||
2086 | } | |||
2087 | ||||
2088 | static int | |||
2089 | interactive_loop(struct sftp_conn *conn, char *file1, char *file2) | |||
2090 | { | |||
2091 | char *remote_path; | |||
2092 | char *dir = NULL((void *)0), *startdir = NULL((void *)0); | |||
2093 | char cmd[2048]; | |||
2094 | int err, interactive; | |||
2095 | EditLine *el = NULL((void *)0); | |||
2096 | History *hl = NULL((void *)0); | |||
2097 | HistEvent hev; | |||
2098 | extern char *__progname; | |||
2099 | struct complete_ctx complete_ctx; | |||
2100 | ||||
2101 | if (!batchmode && isatty(STDIN_FILENO0)) { | |||
2102 | if ((el = el_init(__progname, stdin(&__sF[0]), stdout(&__sF[1]), stderr(&__sF[2]))) == NULL((void *)0)) | |||
2103 | fatal("Couldn't initialise editline")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2103 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Couldn't initialise editline" ); | |||
2104 | if ((hl = history_init()) == NULL((void *)0)) | |||
2105 | fatal("Couldn't initialise editline history")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2105 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Couldn't initialise editline history" ); | |||
2106 | history(hl, &hev, H_SETSIZE1, 100); | |||
2107 | el_set(el, EL_HIST10, history, hl); | |||
2108 | ||||
2109 | el_set(el, EL_PROMPT0, prompt); | |||
2110 | el_set(el, EL_EDITOR2, "emacs"); | |||
2111 | el_set(el, EL_TERMINAL1, NULL((void *)0)); | |||
2112 | el_set(el, EL_SIGNAL3, 1); | |||
2113 | el_source(el, NULL((void *)0)); | |||
2114 | ||||
2115 | /* Tab Completion */ | |||
2116 | el_set(el, EL_ADDFN9, "ftp-complete", | |||
2117 | "Context sensitive argument completion", complete); | |||
2118 | complete_ctx.conn = conn; | |||
2119 | complete_ctx.remote_pathp = &remote_path; | |||
2120 | el_set(el, EL_CLIENTDATA14, (void*)&complete_ctx); | |||
2121 | el_set(el, EL_BIND4, "^I", "ftp-complete", NULL((void *)0)); | |||
2122 | /* enable ctrl-left-arrow and ctrl-right-arrow */ | |||
2123 | el_set(el, EL_BIND4, "\\e[1;5C", "em-next-word", NULL((void *)0)); | |||
2124 | el_set(el, EL_BIND4, "\\e\\e[C", "em-next-word", NULL((void *)0)); | |||
2125 | el_set(el, EL_BIND4, "\\e[1;5D", "ed-prev-word", NULL((void *)0)); | |||
2126 | el_set(el, EL_BIND4, "\\e\\e[D", "ed-prev-word", NULL((void *)0)); | |||
2127 | /* make ^w match ksh behaviour */ | |||
2128 | el_set(el, EL_BIND4, "^w", "ed-delete-prev-word", NULL((void *)0)); | |||
2129 | } | |||
2130 | ||||
2131 | remote_path = do_realpath(conn, "."); | |||
2132 | if (remote_path == NULL((void *)0)) | |||
2133 | fatal("Need cwd")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2133 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Need cwd"); | |||
2134 | startdir = xstrdup(remote_path); | |||
2135 | ||||
2136 | if (file1 != NULL((void *)0)) { | |||
2137 | dir = xstrdup(file1); | |||
2138 | dir = make_absolute(dir, remote_path); | |||
2139 | ||||
2140 | if (remote_is_dir(conn, dir) && file2 == NULL((void *)0)) { | |||
2141 | if (!quiet) | |||
2142 | mprintf("Changing to: %s\n", dir); | |||
2143 | snprintf(cmd, sizeof cmd, "cd \"%s\"", dir); | |||
2144 | if (parse_dispatch_command(conn, cmd, | |||
2145 | &remote_path, startdir, 1, 0) != 0) { | |||
2146 | free(dir); | |||
2147 | free(startdir); | |||
2148 | free(remote_path); | |||
2149 | free(conn); | |||
2150 | return (-1); | |||
2151 | } | |||
2152 | } else { | |||
2153 | /* XXX this is wrong wrt quoting */ | |||
2154 | snprintf(cmd, sizeof cmd, "get%s %s%s%s", | |||
2155 | global_aflag ? " -a" : "", dir, | |||
2156 | file2 == NULL((void *)0) ? "" : " ", | |||
2157 | file2 == NULL((void *)0) ? "" : file2); | |||
2158 | err = parse_dispatch_command(conn, cmd, | |||
2159 | &remote_path, startdir, 1, 0); | |||
2160 | free(dir); | |||
2161 | free(startdir); | |||
2162 | free(remote_path); | |||
2163 | free(conn); | |||
2164 | return (err); | |||
2165 | } | |||
2166 | free(dir); | |||
2167 | } | |||
2168 | ||||
2169 | setvbuf(stdout(&__sF[1]), NULL((void *)0), _IOLBF1, 0); | |||
2170 | setvbuf(infile, NULL((void *)0), _IOLBF1, 0); | |||
2171 | ||||
2172 | interactive = !batchmode && isatty(STDIN_FILENO0); | |||
2173 | err = 0; | |||
2174 | for (;;) { | |||
2175 | struct sigaction sa; | |||
2176 | const char *line; | |||
2177 | int count = 0; | |||
2178 | ||||
2179 | interrupted = 0; | |||
2180 | memset(&sa, 0, sizeof(sa)); | |||
2181 | sa.sa_handler__sigaction_u.__sa_handler = interactive ? read_interrupt : killchild; | |||
2182 | if (sigaction(SIGINT2, &sa, NULL((void *)0)) == -1) { | |||
2183 | debug3("sigaction(%s): %s", strsignal(SIGINT),sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2184, 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "sigaction(%s): %s", strsignal (2), strerror((*__errno()))) | |||
2184 | strerror(errno))sshlog("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2184, 0, SYSLOG_LEVEL_DEBUG3, ((void *)0), "sigaction(%s): %s", strsignal (2), strerror((*__errno()))); | |||
2185 | break; | |||
2186 | } | |||
2187 | if (el == NULL((void *)0)) { | |||
2188 | if (interactive) | |||
2189 | printf("sftp> "); | |||
2190 | if (fgets(cmd, sizeof(cmd), infile) == NULL((void *)0)) { | |||
2191 | if (interactive) | |||
2192 | printf("\n"); | |||
2193 | if (interrupted) | |||
2194 | continue; | |||
2195 | break; | |||
2196 | } | |||
2197 | } else { | |||
2198 | if ((line = el_gets(el, &count)) == NULL((void *)0) || | |||
2199 | count <= 0) { | |||
2200 | printf("\n"); | |||
2201 | if (interrupted) | |||
2202 | continue; | |||
2203 | break; | |||
2204 | } | |||
2205 | history(hl, &hev, H_ENTER10, line); | |||
2206 | if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) { | |||
2207 | fprintf(stderr(&__sF[2]), "Error: input line too long\n"); | |||
2208 | continue; | |||
2209 | } | |||
2210 | } | |||
2211 | ||||
2212 | cmd[strcspn(cmd, "\n")] = '\0'; | |||
2213 | ||||
2214 | /* Handle user interrupts gracefully during commands */ | |||
2215 | interrupted = 0; | |||
2216 | ssh_signal(SIGINT2, cmd_interrupt); | |||
2217 | ||||
2218 | err = parse_dispatch_command(conn, cmd, &remote_path, | |||
2219 | startdir, batchmode, !interactive && el == NULL((void *)0)); | |||
2220 | if (err != 0) | |||
2221 | break; | |||
2222 | } | |||
2223 | ssh_signal(SIGCHLD20, SIG_DFL(void (*)(int))0); | |||
2224 | free(remote_path); | |||
2225 | free(startdir); | |||
2226 | free(conn); | |||
2227 | ||||
2228 | if (el != NULL((void *)0)) | |||
2229 | el_end(el); | |||
2230 | ||||
2231 | /* err == 1 signifies normal "quit" exit */ | |||
2232 | return (err >= 0 ? 0 : -1); | |||
2233 | } | |||
2234 | ||||
2235 | static void | |||
2236 | connect_to_server(char *path, char **args, int *in, int *out) | |||
2237 | { | |||
2238 | int c_in, c_out; | |||
2239 | ||||
2240 | int inout[2]; | |||
2241 | ||||
2242 | if (socketpair(AF_UNIX1, SOCK_STREAM1, 0, inout) == -1) | |||
2243 | fatal("socketpair: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2243 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "socketpair: %s", strerror ((*__errno()))); | |||
2244 | *in = *out = inout[0]; | |||
2245 | c_in = c_out = inout[1]; | |||
2246 | ||||
2247 | if ((sshpid = fork()) == -1) | |||
2248 | fatal("fork: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2248 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "fork: %s", strerror((* __errno()))); | |||
2249 | else if (sshpid == 0) { | |||
2250 | if ((dup2(c_in, STDIN_FILENO0) == -1) || | |||
2251 | (dup2(c_out, STDOUT_FILENO1) == -1)) { | |||
2252 | fprintf(stderr(&__sF[2]), "dup2: %s\n", strerror(errno(*__errno()))); | |||
2253 | _exit(1); | |||
2254 | } | |||
2255 | close(*in); | |||
2256 | close(*out); | |||
2257 | close(c_in); | |||
2258 | close(c_out); | |||
2259 | ||||
2260 | /* | |||
2261 | * The underlying ssh is in the same process group, so we must | |||
2262 | * ignore SIGINT if we want to gracefully abort commands, | |||
2263 | * otherwise the signal will make it to the ssh process and | |||
2264 | * kill it too. Contrawise, since sftp sends SIGTERMs to the | |||
2265 | * underlying ssh, it must *not* ignore that signal. | |||
2266 | */ | |||
2267 | ssh_signal(SIGINT2, SIG_IGN(void (*)(int))1); | |||
2268 | ssh_signal(SIGTERM15, SIG_DFL(void (*)(int))0); | |||
2269 | execvp(path, args); | |||
2270 | fprintf(stderr(&__sF[2]), "exec: %s: %s\n", path, strerror(errno(*__errno()))); | |||
2271 | _exit(1); | |||
2272 | } | |||
2273 | ||||
2274 | ssh_signal(SIGTERM15, killchild); | |||
2275 | ssh_signal(SIGINT2, killchild); | |||
2276 | ssh_signal(SIGHUP1, killchild); | |||
2277 | ssh_signal(SIGTSTP18, suspchild); | |||
2278 | ssh_signal(SIGTTIN21, suspchild); | |||
2279 | ssh_signal(SIGTTOU22, suspchild); | |||
2280 | ssh_signal(SIGCHLD20, sigchld_handler); | |||
2281 | close(c_in); | |||
2282 | close(c_out); | |||
2283 | } | |||
2284 | ||||
2285 | static void | |||
2286 | usage(void) | |||
2287 | { | |||
2288 | extern char *__progname; | |||
2289 | ||||
2290 | fprintf(stderr(&__sF[2]), | |||
2291 | "usage: %s [-46AaCfNpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n" | |||
2292 | " [-D sftp_server_path] [-F ssh_config] [-i identity_file]\n" | |||
2293 | " [-J destination] [-l limit] [-o ssh_option] [-P port]\n" | |||
2294 | " [-R num_requests] [-S program] [-s subsystem | sftp_server]\n" | |||
2295 | " destination\n", | |||
2296 | __progname); | |||
2297 | exit(1); | |||
2298 | } | |||
2299 | ||||
2300 | int | |||
2301 | main(int argc, char **argv) | |||
2302 | { | |||
2303 | int in, out, ch, err, tmp, port = -1, noisy = 0; | |||
2304 | char *host = NULL((void *)0), *user, *cp, *file2 = NULL((void *)0); | |||
2305 | int debug_level = 0; | |||
2306 | char *file1 = NULL((void *)0), *sftp_server = NULL((void *)0); | |||
2307 | char *ssh_program = _PATH_SSH_PROGRAM"/usr/bin/ssh", *sftp_direct = NULL((void *)0); | |||
2308 | const char *errstr; | |||
2309 | LogLevel ll = SYSLOG_LEVEL_INFO; | |||
2310 | arglist args; | |||
2311 | extern int optind; | |||
2312 | extern char *optarg; | |||
2313 | struct sftp_conn *conn; | |||
2314 | size_t copy_buffer_len = 0; | |||
2315 | size_t num_requests = 0; | |||
2316 | long long limit_kbps = 0; | |||
2317 | ||||
2318 | /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ | |||
2319 | sanitise_stdfd(); | |||
2320 | setlocale(LC_CTYPE2, ""); | |||
2321 | ||||
2322 | memset(&args, '\0', sizeof(args)); | |||
2323 | args.list = NULL((void *)0); | |||
2324 | addargs(&args, "%s", ssh_program); | |||
2325 | addargs(&args, "-oForwardX11 no"); | |||
2326 | addargs(&args, "-oPermitLocalCommand no"); | |||
2327 | addargs(&args, "-oClearAllForwardings yes"); | |||
2328 | ||||
2329 | ll = SYSLOG_LEVEL_INFO; | |||
2330 | infile = stdin(&__sF[0]); | |||
2331 | ||||
2332 | while ((ch = getopt(argc, argv, | |||
2333 | "1246AafhNpqrvCc:D:i:l:o:s:S:b:B:F:J:P:R:")) != -1) { | |||
2334 | switch (ch) { | |||
2335 | /* Passed through to ssh(1) */ | |||
2336 | case 'A': | |||
2337 | case '4': | |||
2338 | case '6': | |||
2339 | case 'C': | |||
2340 | addargs(&args, "-%c", ch); | |||
2341 | break; | |||
2342 | /* Passed through to ssh(1) with argument */ | |||
2343 | case 'F': | |||
2344 | case 'J': | |||
2345 | case 'c': | |||
2346 | case 'i': | |||
2347 | case 'o': | |||
2348 | addargs(&args, "-%c", ch); | |||
2349 | addargs(&args, "%s", optarg); | |||
2350 | break; | |||
2351 | case 'q': | |||
2352 | ll = SYSLOG_LEVEL_ERROR; | |||
2353 | quiet = 1; | |||
2354 | showprogress = 0; | |||
2355 | addargs(&args, "-%c", ch); | |||
2356 | break; | |||
2357 | case 'P': | |||
2358 | port = a2port(optarg); | |||
2359 | if (port <= 0) | |||
2360 | fatal("Bad port \"%s\"\n", optarg)sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2360 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Bad port \"%s\"\n", optarg ); | |||
2361 | break; | |||
2362 | case 'v': | |||
2363 | if (debug_level < 3) { | |||
2364 | addargs(&args, "-v"); | |||
2365 | ll = SYSLOG_LEVEL_DEBUG1 + debug_level; | |||
2366 | } | |||
2367 | debug_level++; | |||
2368 | break; | |||
2369 | case '1': | |||
2370 | fatal("SSH protocol v.1 is no longer supported")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2370 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "SSH protocol v.1 is no longer supported" ); | |||
2371 | break; | |||
2372 | case '2': | |||
2373 | /* accept silently */ | |||
2374 | break; | |||
2375 | case 'a': | |||
2376 | global_aflag = 1; | |||
2377 | break; | |||
2378 | case 'B': | |||
2379 | copy_buffer_len = strtol(optarg, &cp, 10); | |||
2380 | if (copy_buffer_len == 0 || *cp != '\0') | |||
2381 | fatal("Invalid buffer size \"%s\"", optarg)sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2381 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid buffer size \"%s\"" , optarg); | |||
2382 | break; | |||
2383 | case 'b': | |||
2384 | if (batchmode) | |||
2385 | fatal("Batch file already specified.")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2385 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Batch file already specified." ); | |||
2386 | ||||
2387 | /* Allow "-" as stdin */ | |||
2388 | if (strcmp(optarg, "-") != 0 && | |||
2389 | (infile = fopen(optarg, "r")) == NULL((void *)0)) | |||
2390 | fatal("%s (%s).", strerror(errno), optarg)sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2390 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "%s (%s).", strerror((* __errno())), optarg); | |||
2391 | showprogress = 0; | |||
2392 | quiet = batchmode = 1; | |||
2393 | addargs(&args, "-obatchmode yes"); | |||
2394 | break; | |||
2395 | case 'f': | |||
2396 | global_fflag = 1; | |||
2397 | break; | |||
2398 | case 'N': | |||
2399 | noisy = 1; /* Used to clear quiet mode after getopt */ | |||
2400 | break; | |||
2401 | case 'p': | |||
2402 | global_pflag = 1; | |||
2403 | break; | |||
2404 | case 'D': | |||
2405 | sftp_direct = optarg; | |||
2406 | break; | |||
2407 | case 'l': | |||
2408 | limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024, | |||
2409 | &errstr); | |||
2410 | if (errstr != NULL((void *)0)) | |||
2411 | usage(); | |||
2412 | limit_kbps *= 1024; /* kbps */ | |||
2413 | break; | |||
2414 | case 'r': | |||
2415 | global_rflag = 1; | |||
2416 | break; | |||
2417 | case 'R': | |||
2418 | num_requests = strtol(optarg, &cp, 10); | |||
2419 | if (num_requests == 0 || *cp != '\0') | |||
2420 | fatal("Invalid number of requests \"%s\"",sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2421 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid number of requests \"%s\"" , optarg) | |||
2421 | optarg)sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2421 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid number of requests \"%s\"" , optarg); | |||
2422 | break; | |||
2423 | case 's': | |||
2424 | sftp_server = optarg; | |||
2425 | break; | |||
2426 | case 'S': | |||
2427 | ssh_program = optarg; | |||
2428 | replacearg(&args, 0, "%s", ssh_program); | |||
2429 | break; | |||
2430 | case 'h': | |||
2431 | default: | |||
2432 | usage(); | |||
2433 | } | |||
2434 | } | |||
2435 | ||||
2436 | /* Do this last because we want the user to be able to override it */ | |||
2437 | addargs(&args, "-oForwardAgent no"); | |||
2438 | ||||
2439 | if (!isatty(STDERR_FILENO2)) | |||
2440 | showprogress = 0; | |||
2441 | ||||
2442 | if (noisy) | |||
2443 | quiet = 0; | |||
2444 | ||||
2445 | log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1); | |||
2446 | ||||
2447 | if (sftp_direct == NULL((void *)0)) { | |||
2448 | if (optind == argc || argc > (optind + 2)) | |||
2449 | usage(); | |||
2450 | argv += optind; | |||
2451 | ||||
2452 | switch (parse_uri("sftp", *argv, &user, &host, &tmp, &file1)) { | |||
2453 | case -1: | |||
2454 | usage(); | |||
2455 | break; | |||
2456 | case 0: | |||
2457 | if (tmp != -1) | |||
2458 | port = tmp; | |||
2459 | break; | |||
2460 | default: | |||
2461 | /* Try with user, host and path. */ | |||
2462 | if (parse_user_host_path(*argv, &user, &host, | |||
2463 | &file1) == 0) | |||
2464 | break; | |||
2465 | /* Try with user and host. */ | |||
2466 | if (parse_user_host_port(*argv, &user, &host, NULL((void *)0)) | |||
2467 | == 0) | |||
2468 | break; | |||
2469 | /* Treat as a plain hostname. */ | |||
2470 | host = xstrdup(*argv); | |||
2471 | host = cleanhostname(host); | |||
2472 | break; | |||
2473 | } | |||
2474 | file2 = *(argv + 1); | |||
2475 | ||||
2476 | if (!*host) { | |||
2477 | fprintf(stderr(&__sF[2]), "Missing hostname\n"); | |||
2478 | usage(); | |||
2479 | } | |||
2480 | ||||
2481 | if (port != -1) | |||
2482 | addargs(&args, "-oPort %d", port); | |||
2483 | if (user != NULL((void *)0)) { | |||
2484 | addargs(&args, "-l"); | |||
2485 | addargs(&args, "%s", user); | |||
2486 | } | |||
2487 | ||||
2488 | /* no subsystem if the server-spec contains a '/' */ | |||
2489 | if (sftp_server == NULL((void *)0) || strchr(sftp_server, '/') == NULL((void *)0)) | |||
2490 | addargs(&args, "-s"); | |||
2491 | ||||
2492 | addargs(&args, "--"); | |||
2493 | addargs(&args, "%s", host); | |||
2494 | addargs(&args, "%s", (sftp_server != NULL((void *)0) ? | |||
2495 | sftp_server : "sftp")); | |||
2496 | ||||
2497 | connect_to_server(ssh_program, args.list, &in, &out); | |||
2498 | } else { | |||
2499 | args.list = NULL((void *)0); | |||
2500 | addargs(&args, "sftp-server"); | |||
2501 | ||||
2502 | connect_to_server(sftp_direct, args.list, &in, &out); | |||
2503 | } | |||
2504 | freeargs(&args); | |||
2505 | ||||
2506 | conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps); | |||
2507 | if (conn == NULL((void *)0)) | |||
2508 | fatal("Couldn't initialise connection to server")sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2508 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Couldn't initialise connection to server" ); | |||
2509 | ||||
2510 | if (!quiet) { | |||
2511 | if (sftp_direct == NULL((void *)0)) | |||
2512 | fprintf(stderr(&__sF[2]), "Connected to %s.\n", host); | |||
2513 | else | |||
2514 | fprintf(stderr(&__sF[2]), "Attached to %s.\n", sftp_direct); | |||
2515 | } | |||
2516 | ||||
2517 | err = interactive_loop(conn, file1, file2); | |||
2518 | ||||
2519 | close(in); | |||
2520 | close(out); | |||
2521 | if (batchmode) | |||
2522 | fclose(infile); | |||
2523 | ||||
2524 | while (waitpid(sshpid, NULL((void *)0), 0) == -1 && sshpid > 1) | |||
2525 | if (errno(*__errno()) != EINTR4) | |||
2526 | fatal("Couldn't wait for ssh process: %s",sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2527 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Couldn't wait for ssh process: %s" , strerror((*__errno()))) | |||
2527 | strerror(errno))sshfatal("/usr/src/usr.bin/ssh/sftp/../sftp.c", __func__, 2527 , 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Couldn't wait for ssh process: %s" , strerror((*__errno()))); | |||
2528 | ||||
2529 | exit(err == 0 ? 0 : 1); | |||
2530 | } |