File: | src/usr.bin/ssh/scp/../scp.c |
Warning: | line 1427, column 4 Value stored to 'fd' is never read |
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1 | /* $OpenBSD: scp.c,v 1.260 2023/10/11 05:42:08 djm Exp $ */ |
2 | /* |
3 | * scp - secure remote copy. This is basically patched BSD rcp which |
4 | * uses ssh to do the data transfer (instead of using rcmd). |
5 | * |
6 | * NOTE: This version should NOT be suid root. (This uses ssh to |
7 | * do the transfer and ssh has the necessary privileges.) |
8 | * |
9 | * 1995 Timo Rinne <tri@iki.fi>, Tatu Ylonen <ylo@cs.hut.fi> |
10 | * |
11 | * As far as I am concerned, the code I have written for this software |
12 | * can be used freely for any purpose. Any derived versions of this |
13 | * software must be clearly marked as such, and if the derived work is |
14 | * incompatible with the protocol description in the RFC file, it must be |
15 | * called by a name other than "ssh" or "Secure Shell". |
16 | */ |
17 | /* |
18 | * Copyright (c) 1999 Theo de Raadt. All rights reserved. |
19 | * Copyright (c) 1999 Aaron Campbell. All rights reserved. |
20 | * |
21 | * Redistribution and use in source and binary forms, with or without |
22 | * modification, are permitted provided that the following conditions |
23 | * are met: |
24 | * 1. Redistributions of source code must retain the above copyright |
25 | * notice, this list of conditions and the following disclaimer. |
26 | * 2. Redistributions in binary form must reproduce the above copyright |
27 | * notice, this list of conditions and the following disclaimer in the |
28 | * documentation and/or other materials provided with the distribution. |
29 | * |
30 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
31 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
32 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
33 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
34 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
35 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
36 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
37 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
38 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
39 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
40 | */ |
41 | |
42 | /* |
43 | * Parts from: |
44 | * |
45 | * Copyright (c) 1983, 1990, 1992, 1993, 1995 |
46 | * The Regents of the University of California. All rights reserved. |
47 | * |
48 | * Redistribution and use in source and binary forms, with or without |
49 | * modification, are permitted provided that the following conditions |
50 | * are met: |
51 | * 1. Redistributions of source code must retain the above copyright |
52 | * notice, this list of conditions and the following disclaimer. |
53 | * 2. Redistributions in binary form must reproduce the above copyright |
54 | * notice, this list of conditions and the following disclaimer in the |
55 | * documentation and/or other materials provided with the distribution. |
56 | * 3. Neither the name of the University nor the names of its contributors |
57 | * may be used to endorse or promote products derived from this software |
58 | * without specific prior written permission. |
59 | * |
60 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
61 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
62 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
63 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
64 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
65 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
66 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
67 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
68 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
69 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
70 | * SUCH DAMAGE. |
71 | * |
72 | */ |
73 | |
74 | #include <sys/types.h> |
75 | #include <sys/poll.h> |
76 | #include <sys/wait.h> |
77 | #include <sys/stat.h> |
78 | #include <sys/time.h> |
79 | #include <sys/uio.h> |
80 | |
81 | #include <ctype.h> |
82 | #include <dirent.h> |
83 | #include <errno(*__errno()).h> |
84 | #include <fcntl.h> |
85 | #include <fnmatch.h> |
86 | #include <glob.h> |
87 | #include <libgen.h> |
88 | #include <locale.h> |
89 | #include <pwd.h> |
90 | #include <signal.h> |
91 | #include <stdarg.h> |
92 | #include <stdint.h> |
93 | #include <stdio.h> |
94 | #include <stdlib.h> |
95 | #include <string.h> |
96 | #include <time.h> |
97 | #include <unistd.h> |
98 | #include <limits.h> |
99 | #include <util.h> |
100 | #include <vis.h> |
101 | |
102 | #include "xmalloc.h" |
103 | #include "ssh.h" |
104 | #include "atomicio.h" |
105 | #include "pathnames.h" |
106 | #include "log.h" |
107 | #include "misc.h" |
108 | #include "progressmeter.h" |
109 | #include "utf8.h" |
110 | #include "sftp.h" |
111 | |
112 | #include "sftp-common.h" |
113 | #include "sftp-client.h" |
114 | |
115 | #define COPY_BUFLEN16384 16384 |
116 | |
117 | int do_cmd(char *, char *, char *, int, int, char *, int *, int *, pid_t *); |
118 | int do_cmd2(char *, char *, int, char *, int, int); |
119 | |
120 | /* Struct for addargs */ |
121 | arglist args; |
122 | arglist remote_remote_args; |
123 | |
124 | /* Bandwidth limit */ |
125 | long long limit_kbps = 0; |
126 | struct bwlimit bwlimit; |
127 | |
128 | /* Name of current file being transferred. */ |
129 | char *curfile; |
130 | |
131 | /* This is set to non-zero to enable verbose mode. */ |
132 | int verbose_mode = 0; |
133 | LogLevel log_level = SYSLOG_LEVEL_INFO; |
134 | |
135 | /* This is set to zero if the progressmeter is not desired. */ |
136 | int showprogress = 1; |
137 | |
138 | /* |
139 | * This is set to non-zero if remote-remote copy should be piped |
140 | * through this process. |
141 | */ |
142 | int throughlocal = 1; |
143 | |
144 | /* Non-standard port to use for the ssh connection or -1. */ |
145 | int sshport = -1; |
146 | |
147 | /* This is the program to execute for the secured connection. ("ssh" or -S) */ |
148 | char *ssh_program = _PATH_SSH_PROGRAM"/usr/bin/ssh"; |
149 | |
150 | /* This is used to store the pid of ssh_program */ |
151 | pid_t do_cmd_pid = -1; |
152 | pid_t do_cmd_pid2 = -1; |
153 | |
154 | /* SFTP copy parameters */ |
155 | size_t sftp_copy_buflen; |
156 | size_t sftp_nrequests; |
157 | |
158 | /* Needed for sftp */ |
159 | volatile sig_atomic_t interrupted = 0; |
160 | |
161 | int sftp_glob(struct sftp_conn *, const char *, int, |
162 | int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */ |
163 | |
164 | static void |
165 | killchild(int signo) |
166 | { |
167 | if (do_cmd_pid > 1) { |
168 | kill(do_cmd_pid, signo ? signo : SIGTERM15); |
169 | (void)waitpid(do_cmd_pid, NULL((void *)0), 0); |
170 | } |
171 | if (do_cmd_pid2 > 1) { |
172 | kill(do_cmd_pid2, signo ? signo : SIGTERM15); |
173 | (void)waitpid(do_cmd_pid2, NULL((void *)0), 0); |
174 | } |
175 | |
176 | if (signo) |
177 | _exit(1); |
178 | exit(1); |
179 | } |
180 | |
181 | static void |
182 | suspone(int pid, int signo) |
183 | { |
184 | int status; |
185 | |
186 | if (pid > 1) { |
187 | kill(pid, signo); |
188 | while (waitpid(pid, &status, WUNTRACED0x02) == -1 && |
189 | errno(*__errno()) == EINTR4) |
190 | ; |
191 | } |
192 | } |
193 | |
194 | static void |
195 | suspchild(int signo) |
196 | { |
197 | suspone(do_cmd_pid, signo); |
198 | suspone(do_cmd_pid2, signo); |
199 | kill(getpid(), SIGSTOP17); |
200 | } |
201 | |
202 | static int |
203 | do_local_cmd(arglist *a) |
204 | { |
205 | u_int i; |
206 | int status; |
207 | pid_t pid; |
208 | |
209 | if (a->num == 0) |
210 | fatal("do_local_cmd: no arguments")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 210, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "do_local_cmd: no arguments" ); |
211 | |
212 | if (verbose_mode) { |
213 | fprintf(stderr(&__sF[2]), "Executing:"); |
214 | for (i = 0; i < a->num; i++) |
215 | fmprintf(stderr(&__sF[2]), " %s", a->list[i]); |
216 | fprintf(stderr(&__sF[2]), "\n"); |
217 | } |
218 | if ((pid = fork()) == -1) |
219 | fatal("do_local_cmd: fork: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 219, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "do_local_cmd: fork: %s", strerror ((*__errno()))); |
220 | |
221 | if (pid == 0) { |
222 | execvp(a->list[0], a->list); |
223 | perror(a->list[0]); |
224 | exit(1); |
225 | } |
226 | |
227 | do_cmd_pid = pid; |
228 | ssh_signal(SIGTERM15, killchild); |
229 | ssh_signal(SIGINT2, killchild); |
230 | ssh_signal(SIGHUP1, killchild); |
231 | |
232 | while (waitpid(pid, &status, 0) == -1) |
233 | if (errno(*__errno()) != EINTR4) |
234 | fatal("do_local_cmd: waitpid: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 234, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "do_local_cmd: waitpid: %s" , strerror((*__errno()))); |
235 | |
236 | do_cmd_pid = -1; |
237 | |
238 | if (!WIFEXITED(status)(((status) & 0177) == 0) || WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff) != 0) |
239 | return (-1); |
240 | |
241 | return (0); |
242 | } |
243 | |
244 | /* |
245 | * This function executes the given command as the specified user on the |
246 | * given host. This returns < 0 if execution fails, and >= 0 otherwise. This |
247 | * assigns the input and output file descriptors on success. |
248 | */ |
249 | |
250 | int |
251 | do_cmd(char *program, char *host, char *remuser, int port, int subsystem, |
252 | char *cmd, int *fdin, int *fdout, pid_t *pid) |
253 | { |
254 | int sv[2]; |
255 | |
256 | if (verbose_mode) |
257 | fmprintf(stderr(&__sF[2]), |
258 | "Executing: program %s host %s, user %s, command %s\n", |
259 | program, host, |
260 | remuser ? remuser : "(unspecified)", cmd); |
261 | |
262 | if (port == -1) |
263 | port = sshport; |
264 | |
265 | /* Create a socket pair for communicating with ssh. */ |
266 | if (socketpair(AF_UNIX1, SOCK_STREAM1, 0, sv) == -1) |
267 | fatal("socketpair: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 267, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "socketpair: %s", strerror ((*__errno()))); |
268 | |
269 | ssh_signal(SIGTSTP18, suspchild); |
270 | ssh_signal(SIGTTIN21, suspchild); |
271 | ssh_signal(SIGTTOU22, suspchild); |
272 | |
273 | /* Fork a child to execute the command on the remote host using ssh. */ |
274 | *pid = fork(); |
275 | switch (*pid) { |
276 | case -1: |
277 | fatal("fork: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 277, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "fork: %s", strerror((*__errno ()))); |
278 | case 0: |
279 | /* Child. */ |
280 | if (dup2(sv[0], STDIN_FILENO0) == -1 || |
281 | dup2(sv[0], STDOUT_FILENO1) == -1) { |
282 | perror("dup2"); |
283 | _exit(1); |
284 | } |
285 | close(sv[0]); |
286 | close(sv[1]); |
287 | replacearg(&args, 0, "%s", program); |
288 | if (port != -1) { |
289 | addargs(&args, "-p"); |
290 | addargs(&args, "%d", port); |
291 | } |
292 | if (remuser != NULL((void *)0)) { |
293 | addargs(&args, "-l"); |
294 | addargs(&args, "%s", remuser); |
295 | } |
296 | if (subsystem) |
297 | addargs(&args, "-s"); |
298 | addargs(&args, "--"); |
299 | addargs(&args, "%s", host); |
300 | addargs(&args, "%s", cmd); |
301 | |
302 | execvp(program, args.list); |
303 | perror(program); |
304 | _exit(1); |
305 | default: |
306 | /* Parent. Close the other side, and return the local side. */ |
307 | close(sv[0]); |
308 | *fdin = sv[1]; |
309 | *fdout = sv[1]; |
310 | ssh_signal(SIGTERM15, killchild); |
311 | ssh_signal(SIGINT2, killchild); |
312 | ssh_signal(SIGHUP1, killchild); |
313 | return 0; |
314 | } |
315 | } |
316 | |
317 | /* |
318 | * This function executes a command similar to do_cmd(), but expects the |
319 | * input and output descriptors to be setup by a previous call to do_cmd(). |
320 | * This way the input and output of two commands can be connected. |
321 | */ |
322 | int |
323 | do_cmd2(char *host, char *remuser, int port, char *cmd, |
324 | int fdin, int fdout) |
325 | { |
326 | int status; |
327 | pid_t pid; |
328 | |
329 | if (verbose_mode) |
330 | fmprintf(stderr(&__sF[2]), |
331 | "Executing: 2nd program %s host %s, user %s, command %s\n", |
332 | ssh_program, host, |
333 | remuser ? remuser : "(unspecified)", cmd); |
334 | |
335 | if (port == -1) |
336 | port = sshport; |
337 | |
338 | /* Fork a child to execute the command on the remote host using ssh. */ |
339 | pid = fork(); |
340 | if (pid == 0) { |
341 | if (dup2(fdin, 0) == -1) |
342 | perror("dup2"); |
343 | if (dup2(fdout, 1) == -1) |
344 | perror("dup2"); |
345 | |
346 | replacearg(&args, 0, "%s", ssh_program); |
347 | if (port != -1) { |
348 | addargs(&args, "-p"); |
349 | addargs(&args, "%d", port); |
350 | } |
351 | if (remuser != NULL((void *)0)) { |
352 | addargs(&args, "-l"); |
353 | addargs(&args, "%s", remuser); |
354 | } |
355 | addargs(&args, "-oBatchMode=yes"); |
356 | addargs(&args, "--"); |
357 | addargs(&args, "%s", host); |
358 | addargs(&args, "%s", cmd); |
359 | |
360 | execvp(ssh_program, args.list); |
361 | perror(ssh_program); |
362 | exit(1); |
363 | } else if (pid == -1) { |
364 | fatal("fork: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 364, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "fork: %s", strerror((*__errno ()))); |
365 | } |
366 | while (waitpid(pid, &status, 0) == -1) |
367 | if (errno(*__errno()) != EINTR4) |
368 | fatal("do_cmd2: waitpid: %s", strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 368, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "do_cmd2: waitpid: %s", strerror ((*__errno()))); |
369 | return 0; |
370 | } |
371 | |
372 | typedef struct { |
373 | size_t cnt; |
374 | char *buf; |
375 | } BUF; |
376 | |
377 | BUF *allocbuf(BUF *, int, int); |
378 | void lostconn(int); |
379 | int okname(char *); |
380 | void run_err(const char *,...) |
381 | __attribute__((__format__ (printf, 1, 2))) |
382 | __attribute__((__nonnull__ (1))); |
383 | int note_err(const char *,...) |
384 | __attribute__((__format__ (printf, 1, 2))); |
385 | void verifydir(char *); |
386 | |
387 | struct passwd *pwd; |
388 | uid_t userid; |
389 | int errs, remin, remout, remin2, remout2; |
390 | int Tflag, pflag, iamremote, iamrecursive, targetshouldbedirectory; |
391 | |
392 | #define CMDNEEDS64 64 |
393 | char cmd[CMDNEEDS64]; /* must hold "rcp -r -p -d\0" */ |
394 | |
395 | enum scp_mode_e { |
396 | MODE_SCP, |
397 | MODE_SFTP |
398 | }; |
399 | |
400 | int response(void); |
401 | void rsource(char *, struct stat *); |
402 | void sink(int, char *[], const char *); |
403 | void source(int, char *[]); |
404 | void tolocal(int, char *[], enum scp_mode_e, char *sftp_direct); |
405 | void toremote(int, char *[], enum scp_mode_e, char *sftp_direct); |
406 | void usage(void); |
407 | |
408 | void source_sftp(int, char *, char *, struct sftp_conn *); |
409 | void sink_sftp(int, char *, const char *, struct sftp_conn *); |
410 | void throughlocal_sftp(struct sftp_conn *, struct sftp_conn *, |
411 | char *, char *); |
412 | |
413 | int |
414 | main(int argc, char **argv) |
415 | { |
416 | int ch, fflag, tflag, status, r, n; |
417 | char **newargv, *argv0; |
418 | const char *errstr; |
419 | extern char *optarg; |
420 | extern int optind; |
421 | enum scp_mode_e mode = MODE_SFTP; |
422 | char *sftp_direct = NULL((void *)0); |
423 | long long llv; |
424 | |
425 | /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ |
426 | sanitise_stdfd(); |
427 | |
428 | setlocale(LC_CTYPE2, ""); |
429 | |
430 | /* Copy argv, because we modify it */ |
431 | argv0 = argv[0]; |
432 | newargv = xcalloc(MAXIMUM(argc + 1, 1)(((argc + 1) > (1)) ? (argc + 1) : (1)), sizeof(*newargv)); |
433 | for (n = 0; n < argc; n++) |
434 | newargv[n] = xstrdup(argv[n]); |
435 | argv = newargv; |
436 | |
437 | log_init(argv0, log_level, SYSLOG_FACILITY_USER, 2); |
438 | |
439 | memset(&args, '\0', sizeof(args)); |
440 | memset(&remote_remote_args, '\0', sizeof(remote_remote_args)); |
441 | args.list = remote_remote_args.list = NULL((void *)0); |
442 | addargs(&args, "%s", ssh_program); |
443 | addargs(&args, "-x"); |
444 | addargs(&args, "-oPermitLocalCommand=no"); |
445 | addargs(&args, "-oClearAllForwardings=yes"); |
446 | addargs(&args, "-oRemoteCommand=none"); |
447 | addargs(&args, "-oRequestTTY=no"); |
448 | |
449 | fflag = Tflag = tflag = 0; |
450 | while ((ch = getopt(argc, argv, |
451 | "12346ABCTdfOpqRrstvD:F:J:M:P:S:c:i:l:o:X:")) != -1) { |
452 | switch (ch) { |
453 | /* User-visible flags. */ |
454 | case '1': |
455 | fatal("SSH protocol v.1 is no longer supported")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 455, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "SSH protocol v.1 is no longer supported" ); |
456 | break; |
457 | case '2': |
458 | /* Ignored */ |
459 | break; |
460 | case 'A': |
461 | case '4': |
462 | case '6': |
463 | case 'C': |
464 | addargs(&args, "-%c", ch); |
465 | addargs(&remote_remote_args, "-%c", ch); |
466 | break; |
467 | case 'D': |
468 | sftp_direct = optarg; |
469 | break; |
470 | case '3': |
471 | throughlocal = 1; |
472 | break; |
473 | case 'R': |
474 | throughlocal = 0; |
475 | break; |
476 | case 'o': |
477 | case 'c': |
478 | case 'i': |
479 | case 'F': |
480 | case 'J': |
481 | addargs(&remote_remote_args, "-%c", ch); |
482 | addargs(&remote_remote_args, "%s", optarg); |
483 | addargs(&args, "-%c", ch); |
484 | addargs(&args, "%s", optarg); |
485 | break; |
486 | case 'O': |
487 | mode = MODE_SCP; |
488 | break; |
489 | case 's': |
490 | mode = MODE_SFTP; |
491 | break; |
492 | case 'P': |
493 | sshport = a2port(optarg); |
494 | if (sshport <= 0) |
495 | fatal("bad port \"%s\"\n", optarg)sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 495, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "bad port \"%s\"\n", optarg ); |
496 | break; |
497 | case 'B': |
498 | addargs(&remote_remote_args, "-oBatchmode=yes"); |
499 | addargs(&args, "-oBatchmode=yes"); |
500 | break; |
501 | case 'l': |
502 | limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024, |
503 | &errstr); |
504 | if (errstr != NULL((void *)0)) |
505 | usage(); |
506 | limit_kbps *= 1024; /* kbps */ |
507 | bandwidth_limit_init(&bwlimit, limit_kbps, COPY_BUFLEN16384); |
508 | break; |
509 | case 'p': |
510 | pflag = 1; |
511 | break; |
512 | case 'r': |
513 | iamrecursive = 1; |
514 | break; |
515 | case 'S': |
516 | ssh_program = xstrdup(optarg); |
517 | break; |
518 | case 'v': |
519 | addargs(&args, "-v"); |
520 | addargs(&remote_remote_args, "-v"); |
521 | if (verbose_mode == 0) |
522 | log_level = SYSLOG_LEVEL_DEBUG1; |
523 | else if (log_level < SYSLOG_LEVEL_DEBUG3) |
524 | log_level++; |
525 | verbose_mode = 1; |
526 | break; |
527 | case 'q': |
528 | addargs(&args, "-q"); |
529 | addargs(&remote_remote_args, "-q"); |
530 | showprogress = 0; |
531 | break; |
532 | case 'X': |
533 | /* Please keep in sync with sftp.c -X */ |
534 | if (strncmp(optarg, "buffer=", 7) == 0) { |
535 | r = scan_scaled(optarg + 7, &llv); |
536 | if (r == 0 && (llv <= 0 || llv > 256 * 1024)) { |
537 | r = -1; |
538 | errno(*__errno()) = EINVAL22; |
539 | } |
540 | if (r == -1) { |
541 | fatal("Invalid buffer size \"%s\": %s",sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 542, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid buffer size \"%s\": %s" , optarg + 7, strerror((*__errno()))) |
542 | optarg + 7, strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 542, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid buffer size \"%s\": %s" , optarg + 7, strerror((*__errno()))); |
543 | } |
544 | sftp_copy_buflen = (size_t)llv; |
545 | } else if (strncmp(optarg, "nrequests=", 10) == 0) { |
546 | llv = strtonum(optarg + 10, 1, 256 * 1024, |
547 | &errstr); |
548 | if (errstr != NULL((void *)0)) { |
549 | fatal("Invalid number of requests "sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 550, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid number of requests " "\"%s\": %s", optarg + 10, errstr) |
550 | "\"%s\": %s", optarg + 10, errstr)sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 550, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid number of requests " "\"%s\": %s", optarg + 10, errstr); |
551 | } |
552 | sftp_nrequests = (size_t)llv; |
553 | } else { |
554 | fatal("Invalid -X option")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 554, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "Invalid -X option"); |
555 | } |
556 | break; |
557 | |
558 | /* Server options. */ |
559 | case 'd': |
560 | targetshouldbedirectory = 1; |
561 | break; |
562 | case 'f': /* "from" */ |
563 | iamremote = 1; |
564 | fflag = 1; |
565 | break; |
566 | case 't': /* "to" */ |
567 | iamremote = 1; |
568 | tflag = 1; |
569 | break; |
570 | case 'T': |
571 | Tflag = 1; |
572 | break; |
573 | default: |
574 | usage(); |
575 | } |
576 | } |
577 | argc -= optind; |
578 | argv += optind; |
579 | |
580 | log_init(argv0, log_level, SYSLOG_FACILITY_USER, 2); |
581 | |
582 | /* Do this last because we want the user to be able to override it */ |
583 | addargs(&args, "-oForwardAgent=no"); |
584 | |
585 | if (iamremote) |
586 | mode = MODE_SCP; |
587 | |
588 | if ((pwd = getpwuid(userid = getuid())) == NULL((void *)0)) |
589 | fatal("unknown user %u", (u_int) userid)sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 589, 0 , SYSLOG_LEVEL_FATAL, ((void *)0), "unknown user %u", (u_int) userid); |
590 | |
591 | if (!isatty(STDOUT_FILENO1)) |
592 | showprogress = 0; |
593 | |
594 | if (pflag) { |
595 | /* Cannot pledge: -p allows setuid/setgid files... */ |
596 | } else { |
597 | if (pledge("stdio rpath wpath cpath fattr tty proc exec", |
598 | NULL((void *)0)) == -1) { |
599 | perror("pledge"); |
600 | exit(1); |
601 | } |
602 | } |
603 | |
604 | remin = STDIN_FILENO0; |
605 | remout = STDOUT_FILENO1; |
606 | |
607 | if (fflag) { |
608 | /* Follow "protocol", send data. */ |
609 | (void) response(); |
610 | source(argc, argv); |
611 | exit(errs != 0); |
612 | } |
613 | if (tflag) { |
614 | /* Receive data. */ |
615 | sink(argc, argv, NULL((void *)0)); |
616 | exit(errs != 0); |
617 | } |
618 | if (argc < 2) |
619 | usage(); |
620 | if (argc > 2) |
621 | targetshouldbedirectory = 1; |
622 | |
623 | remin = remout = -1; |
624 | do_cmd_pid = -1; |
625 | /* Command to be executed on remote system using "ssh". */ |
626 | (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", |
627 | verbose_mode ? " -v" : "", |
628 | iamrecursive ? " -r" : "", pflag ? " -p" : "", |
629 | targetshouldbedirectory ? " -d" : ""); |
630 | |
631 | (void) ssh_signal(SIGPIPE13, lostconn); |
632 | |
633 | if (colon(argv[argc - 1])) /* Dest is remote host. */ |
634 | toremote(argc, argv, mode, sftp_direct); |
635 | else { |
636 | if (targetshouldbedirectory) |
637 | verifydir(argv[argc - 1]); |
638 | tolocal(argc, argv, mode, sftp_direct); /* Dest is local host. */ |
639 | } |
640 | /* |
641 | * Finally check the exit status of the ssh process, if one was forked |
642 | * and no error has occurred yet |
643 | */ |
644 | if (do_cmd_pid != -1 && (mode == MODE_SFTP || errs == 0)) { |
645 | if (remin != -1) |
646 | (void) close(remin); |
647 | if (remout != -1) |
648 | (void) close(remout); |
649 | if (waitpid(do_cmd_pid, &status, 0) == -1) |
650 | errs = 1; |
651 | else { |
652 | if (!WIFEXITED(status)(((status) & 0177) == 0) || WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff) != 0) |
653 | errs = 1; |
654 | } |
655 | } |
656 | exit(errs != 0); |
657 | } |
658 | |
659 | /* Callback from atomicio6 to update progress meter and limit bandwidth */ |
660 | static int |
661 | scpio(void *_cnt, size_t s) |
662 | { |
663 | off_t *cnt = (off_t *)_cnt; |
664 | |
665 | *cnt += s; |
666 | refresh_progress_meter(0); |
667 | if (limit_kbps > 0) |
668 | bandwidth_limit(&bwlimit, s); |
669 | return 0; |
670 | } |
671 | |
672 | static int |
673 | do_times(int fd, int verb, const struct stat *sb) |
674 | { |
675 | /* strlen(2^64) == 20; strlen(10^6) == 7 */ |
676 | char buf[(20 + 7 + 2) * 2 + 2]; |
677 | |
678 | (void)snprintf(buf, sizeof(buf), "T%llu 0 %llu 0\n", |
679 | (unsigned long long) (sb->st_mtimest_mtim.tv_sec < 0 ? 0 : sb->st_mtimest_mtim.tv_sec), |
680 | (unsigned long long) (sb->st_atimest_atim.tv_sec < 0 ? 0 : sb->st_atimest_atim.tv_sec)); |
681 | if (verb) { |
682 | fprintf(stderr(&__sF[2]), "File mtime %lld atime %lld\n", |
683 | (long long)sb->st_mtimest_mtim.tv_sec, (long long)sb->st_atimest_atim.tv_sec); |
684 | fprintf(stderr(&__sF[2]), "Sending file timestamps: %s", buf); |
685 | } |
686 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, fd, buf, strlen(buf)); |
687 | return (response()); |
688 | } |
689 | |
690 | static int |
691 | parse_scp_uri(const char *uri, char **userp, char **hostp, int *portp, |
692 | char **pathp) |
693 | { |
694 | int r; |
695 | |
696 | r = parse_uri("scp", uri, userp, hostp, portp, pathp); |
697 | if (r == 0 && *pathp == NULL((void *)0)) |
698 | *pathp = xstrdup("."); |
699 | return r; |
700 | } |
701 | |
702 | /* Appends a string to an array; returns 0 on success, -1 on alloc failure */ |
703 | static int |
704 | append(char *cp, char ***ap, size_t *np) |
705 | { |
706 | char **tmp; |
707 | |
708 | if ((tmp = reallocarray(*ap, *np + 1, sizeof(*tmp))) == NULL((void *)0)) |
709 | return -1; |
710 | tmp[(*np)] = cp; |
711 | (*np)++; |
712 | *ap = tmp; |
713 | return 0; |
714 | } |
715 | |
716 | /* |
717 | * Finds the start and end of the first brace pair in the pattern. |
718 | * returns 0 on success or -1 for invalid patterns. |
719 | */ |
720 | static int |
721 | find_brace(const char *pattern, int *startp, int *endp) |
722 | { |
723 | int i; |
724 | int in_bracket, brace_level; |
725 | |
726 | *startp = *endp = -1; |
727 | in_bracket = brace_level = 0; |
728 | for (i = 0; i < INT_MAX0x7fffffff && *endp < 0 && pattern[i] != '\0'; i++) { |
729 | switch (pattern[i]) { |
730 | case '\\': |
731 | /* skip next character */ |
732 | if (pattern[i + 1] != '\0') |
733 | i++; |
734 | break; |
735 | case '[': |
736 | in_bracket = 1; |
737 | break; |
738 | case ']': |
739 | in_bracket = 0; |
740 | break; |
741 | case '{': |
742 | if (in_bracket) |
743 | break; |
744 | if (pattern[i + 1] == '}') { |
745 | /* Protect a single {}, for find(1), like csh */ |
746 | i++; /* skip */ |
747 | break; |
748 | } |
749 | if (*startp == -1) |
750 | *startp = i; |
751 | brace_level++; |
752 | break; |
753 | case '}': |
754 | if (in_bracket) |
755 | break; |
756 | if (*startp < 0) { |
757 | /* Unbalanced brace */ |
758 | return -1; |
759 | } |
760 | if (--brace_level <= 0) |
761 | *endp = i; |
762 | break; |
763 | } |
764 | } |
765 | /* unbalanced brackets/braces */ |
766 | if (*endp < 0 && (*startp >= 0 || in_bracket)) |
767 | return -1; |
768 | return 0; |
769 | } |
770 | |
771 | /* |
772 | * Assembles and records a successfully-expanded pattern, returns -1 on |
773 | * alloc failure. |
774 | */ |
775 | static int |
776 | emit_expansion(const char *pattern, int brace_start, int brace_end, |
777 | int sel_start, int sel_end, char ***patternsp, size_t *npatternsp) |
778 | { |
779 | char *cp; |
780 | size_t pattern_len; |
781 | int o = 0, tail_len; |
782 | |
783 | if ((pattern_len = strlen(pattern)) == 0 || pattern_len >= INT_MAX0x7fffffff) |
784 | return -1; |
785 | |
786 | tail_len = strlen(pattern + brace_end + 1); |
787 | if ((cp = malloc(brace_start + (sel_end - sel_start) + |
788 | tail_len + 1)) == NULL((void *)0)) |
789 | return -1; |
790 | |
791 | /* Pattern before initial brace */ |
792 | if (brace_start > 0) { |
793 | memcpy(cp, pattern, brace_start); |
794 | o = brace_start; |
795 | } |
796 | /* Current braced selection */ |
797 | if (sel_end - sel_start > 0) { |
798 | memcpy(cp + o, pattern + sel_start, |
799 | sel_end - sel_start); |
800 | o += sel_end - sel_start; |
801 | } |
802 | /* Remainder of pattern after closing brace */ |
803 | if (tail_len > 0) { |
804 | memcpy(cp + o, pattern + brace_end + 1, tail_len); |
805 | o += tail_len; |
806 | } |
807 | cp[o] = '\0'; |
808 | if (append(cp, patternsp, npatternsp) != 0) { |
809 | free(cp); |
810 | return -1; |
811 | } |
812 | return 0; |
813 | } |
814 | |
815 | /* |
816 | * Expand the first encountered brace in pattern, appending the expanded |
817 | * patterns it yielded to the *patternsp array. |
818 | * |
819 | * Returns 0 on success or -1 on allocation failure. |
820 | * |
821 | * Signals whether expansion was performed via *expanded and whether |
822 | * pattern was invalid via *invalid. |
823 | */ |
824 | static int |
825 | brace_expand_one(const char *pattern, char ***patternsp, size_t *npatternsp, |
826 | int *expanded, int *invalid) |
827 | { |
828 | int i; |
829 | int in_bracket, brace_start, brace_end, brace_level; |
830 | int sel_start, sel_end; |
831 | |
832 | *invalid = *expanded = 0; |
833 | |
834 | if (find_brace(pattern, &brace_start, &brace_end) != 0) { |
835 | *invalid = 1; |
836 | return 0; |
837 | } else if (brace_start == -1) |
838 | return 0; |
839 | |
840 | in_bracket = brace_level = 0; |
841 | for (i = sel_start = brace_start + 1; i < brace_end; i++) { |
842 | switch (pattern[i]) { |
843 | case '{': |
844 | if (in_bracket) |
845 | break; |
846 | brace_level++; |
847 | break; |
848 | case '}': |
849 | if (in_bracket) |
850 | break; |
851 | brace_level--; |
852 | break; |
853 | case '[': |
854 | in_bracket = 1; |
855 | break; |
856 | case ']': |
857 | in_bracket = 0; |
858 | break; |
859 | case '\\': |
860 | if (i < brace_end - 1) |
861 | i++; /* skip */ |
862 | break; |
863 | } |
864 | if (pattern[i] == ',' || i == brace_end - 1) { |
865 | if (in_bracket || brace_level > 0) |
866 | continue; |
867 | /* End of a selection, emit an expanded pattern */ |
868 | |
869 | /* Adjust end index for last selection */ |
870 | sel_end = (i == brace_end - 1) ? brace_end : i; |
871 | if (emit_expansion(pattern, brace_start, brace_end, |
872 | sel_start, sel_end, patternsp, npatternsp) != 0) |
873 | return -1; |
874 | /* move on to the next selection */ |
875 | sel_start = i + 1; |
876 | continue; |
877 | } |
878 | } |
879 | if (in_bracket || brace_level > 0) { |
880 | *invalid = 1; |
881 | return 0; |
882 | } |
883 | /* success */ |
884 | *expanded = 1; |
885 | return 0; |
886 | } |
887 | |
888 | /* Expand braces from pattern. Returns 0 on success, -1 on failure */ |
889 | static int |
890 | brace_expand(const char *pattern, char ***patternsp, size_t *npatternsp) |
891 | { |
892 | char *cp, *cp2, **active = NULL((void *)0), **done = NULL((void *)0); |
893 | size_t i, nactive = 0, ndone = 0; |
894 | int ret = -1, invalid = 0, expanded = 0; |
895 | |
896 | *patternsp = NULL((void *)0); |
897 | *npatternsp = 0; |
898 | |
899 | /* Start the worklist with the original pattern */ |
900 | if ((cp = strdup(pattern)) == NULL((void *)0)) |
901 | return -1; |
902 | if (append(cp, &active, &nactive) != 0) { |
903 | free(cp); |
904 | return -1; |
905 | } |
906 | while (nactive > 0) { |
907 | cp = active[nactive - 1]; |
908 | nactive--; |
909 | if (brace_expand_one(cp, &active, &nactive, |
910 | &expanded, &invalid) == -1) { |
911 | free(cp); |
912 | goto fail; |
913 | } |
914 | if (invalid) |
915 | fatal_f("invalid brace pattern \"%s\"", cp)sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 915, 1 , SYSLOG_LEVEL_FATAL, ((void *)0), "invalid brace pattern \"%s\"" , cp); |
916 | if (expanded) { |
917 | /* |
918 | * Current entry expanded to new entries on the |
919 | * active list; discard the progenitor pattern. |
920 | */ |
921 | free(cp); |
922 | continue; |
923 | } |
924 | /* |
925 | * Pattern did not expand; append the finename component to |
926 | * the completed list |
927 | */ |
928 | if ((cp2 = strrchr(cp, '/')) != NULL((void *)0)) |
929 | *cp2++ = '\0'; |
930 | else |
931 | cp2 = cp; |
932 | if (append(xstrdup(cp2), &done, &ndone) != 0) { |
933 | free(cp); |
934 | goto fail; |
935 | } |
936 | free(cp); |
937 | } |
938 | /* success */ |
939 | *patternsp = done; |
940 | *npatternsp = ndone; |
941 | done = NULL((void *)0); |
942 | ndone = 0; |
943 | ret = 0; |
944 | fail: |
945 | for (i = 0; i < nactive; i++) |
946 | free(active[i]); |
947 | free(active); |
948 | for (i = 0; i < ndone; i++) |
949 | free(done[i]); |
950 | free(done); |
951 | return ret; |
952 | } |
953 | |
954 | static struct sftp_conn * |
955 | do_sftp_connect(char *host, char *user, int port, char *sftp_direct, |
956 | int *reminp, int *remoutp, int *pidp) |
957 | { |
958 | if (sftp_direct == NULL((void *)0)) { |
959 | if (do_cmd(ssh_program, host, user, port, 1, "sftp", |
960 | reminp, remoutp, pidp) < 0) |
961 | return NULL((void *)0); |
962 | |
963 | } else { |
964 | freeargs(&args); |
965 | addargs(&args, "sftp-server"); |
966 | if (do_cmd(sftp_direct, host, NULL((void *)0), -1, 0, "sftp", |
967 | reminp, remoutp, pidp) < 0) |
968 | return NULL((void *)0); |
969 | } |
970 | return sftp_init(*reminp, *remoutp, |
971 | sftp_copy_buflen, sftp_nrequests, limit_kbps); |
972 | } |
973 | |
974 | void |
975 | toremote(int argc, char **argv, enum scp_mode_e mode, char *sftp_direct) |
976 | { |
977 | char *suser = NULL((void *)0), *host = NULL((void *)0), *src = NULL((void *)0); |
978 | char *bp, *tuser, *thost, *targ; |
979 | int sport = -1, tport = -1; |
980 | struct sftp_conn *conn = NULL((void *)0), *conn2 = NULL((void *)0); |
981 | arglist alist; |
982 | int i, r, status; |
983 | struct stat sb; |
984 | u_int j; |
985 | |
986 | memset(&alist, '\0', sizeof(alist)); |
987 | alist.list = NULL((void *)0); |
988 | |
989 | /* Parse target */ |
990 | r = parse_scp_uri(argv[argc - 1], &tuser, &thost, &tport, &targ); |
991 | if (r == -1) { |
992 | fmprintf(stderr(&__sF[2]), "%s: invalid uri\n", argv[argc - 1]); |
993 | ++errs; |
994 | goto out; |
995 | } |
996 | if (r != 0) { |
997 | if (parse_user_host_path(argv[argc - 1], &tuser, &thost, |
998 | &targ) == -1) { |
999 | fmprintf(stderr(&__sF[2]), "%s: invalid target\n", argv[argc - 1]); |
1000 | ++errs; |
1001 | goto out; |
1002 | } |
1003 | } |
1004 | |
1005 | /* Parse source files */ |
1006 | for (i = 0; i < argc - 1; i++) { |
1007 | free(suser); |
1008 | free(host); |
1009 | free(src); |
1010 | r = parse_scp_uri(argv[i], &suser, &host, &sport, &src); |
1011 | if (r == -1) { |
1012 | fmprintf(stderr(&__sF[2]), "%s: invalid uri\n", argv[i]); |
1013 | ++errs; |
1014 | continue; |
1015 | } |
1016 | if (r != 0) { |
1017 | parse_user_host_path(argv[i], &suser, &host, &src); |
1018 | } |
1019 | if (suser != NULL((void *)0) && !okname(suser)) { |
1020 | ++errs; |
1021 | continue; |
1022 | } |
1023 | if (host && throughlocal) { /* extended remote to remote */ |
1024 | if (mode == MODE_SFTP) { |
1025 | if (remin == -1) { |
1026 | /* Connect to dest now */ |
1027 | conn = do_sftp_connect(thost, tuser, |
1028 | tport, sftp_direct, |
1029 | &remin, &remout, &do_cmd_pid); |
1030 | if (conn == NULL((void *)0)) { |
1031 | fatal("Unable to open "sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1032, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unable to open " "destination connection" ) |
1032 | "destination connection")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1032, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unable to open " "destination connection" ); |
1033 | } |
1034 | debug3_f("origin in %d out %d pid %ld",sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1035, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "origin in %d out %d pid %ld" , remin, remout, (long)do_cmd_pid) |
1035 | remin, remout, (long)do_cmd_pid)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1035, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "origin in %d out %d pid %ld" , remin, remout, (long)do_cmd_pid); |
1036 | } |
1037 | /* |
1038 | * XXX remember suser/host/sport and only |
1039 | * reconnect if they change between arguments. |
1040 | * would save reconnections for cases like |
1041 | * scp -3 hosta:/foo hosta:/bar hostb: |
1042 | */ |
1043 | /* Connect to origin now */ |
1044 | conn2 = do_sftp_connect(host, suser, |
1045 | sport, sftp_direct, |
1046 | &remin2, &remout2, &do_cmd_pid2); |
1047 | if (conn2 == NULL((void *)0)) { |
1048 | fatal("Unable to open "sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1049, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unable to open " "source connection" ) |
1049 | "source connection")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1049, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unable to open " "source connection" ); |
1050 | } |
1051 | debug3_f("destination in %d out %d pid %ld",sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1052, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "destination in %d out %d pid %ld" , remin2, remout2, (long)do_cmd_pid2) |
1052 | remin2, remout2, (long)do_cmd_pid2)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1052, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "destination in %d out %d pid %ld" , remin2, remout2, (long)do_cmd_pid2); |
1053 | throughlocal_sftp(conn2, conn, src, targ); |
1054 | (void) close(remin2); |
1055 | (void) close(remout2); |
1056 | remin2 = remout2 = -1; |
1057 | if (waitpid(do_cmd_pid2, &status, 0) == -1) |
1058 | ++errs; |
1059 | else if (!WIFEXITED(status)(((status) & 0177) == 0) || |
1060 | WEXITSTATUS(status)(int)(((unsigned)(status) >> 8) & 0xff) != 0) |
1061 | ++errs; |
1062 | do_cmd_pid2 = -1; |
1063 | continue; |
1064 | } else { |
1065 | xasprintf(&bp, "%s -f %s%s", cmd, |
1066 | *src == '-' ? "-- " : "", src); |
1067 | if (do_cmd(ssh_program, host, suser, sport, 0, |
1068 | bp, &remin, &remout, &do_cmd_pid) < 0) |
1069 | exit(1); |
1070 | free(bp); |
1071 | xasprintf(&bp, "%s -t %s%s", cmd, |
1072 | *targ == '-' ? "-- " : "", targ); |
1073 | if (do_cmd2(thost, tuser, tport, bp, |
1074 | remin, remout) < 0) |
1075 | exit(1); |
1076 | free(bp); |
1077 | (void) close(remin); |
1078 | (void) close(remout); |
1079 | remin = remout = -1; |
1080 | } |
1081 | } else if (host) { /* standard remote to remote */ |
1082 | /* |
1083 | * Second remote user is passed to first remote side |
1084 | * via scp command-line. Ensure it contains no obvious |
1085 | * shell characters. |
1086 | */ |
1087 | if (tuser != NULL((void *)0) && !okname(tuser)) { |
1088 | ++errs; |
1089 | continue; |
1090 | } |
1091 | if (tport != -1 && tport != SSH_DEFAULT_PORT22) { |
1092 | /* This would require the remote support URIs */ |
1093 | fatal("target port not supported with two "sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1094, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "target port not supported with two " "remote hosts and the -R option") |
1094 | "remote hosts and the -R option")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1094, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "target port not supported with two " "remote hosts and the -R option"); |
1095 | } |
1096 | |
1097 | freeargs(&alist); |
1098 | addargs(&alist, "%s", ssh_program); |
1099 | addargs(&alist, "-x"); |
1100 | addargs(&alist, "-oClearAllForwardings=yes"); |
1101 | addargs(&alist, "-n"); |
1102 | for (j = 0; j < remote_remote_args.num; j++) { |
1103 | addargs(&alist, "%s", |
1104 | remote_remote_args.list[j]); |
1105 | } |
1106 | |
1107 | if (sport != -1) { |
1108 | addargs(&alist, "-p"); |
1109 | addargs(&alist, "%d", sport); |
1110 | } |
1111 | if (suser) { |
1112 | addargs(&alist, "-l"); |
1113 | addargs(&alist, "%s", suser); |
1114 | } |
1115 | addargs(&alist, "--"); |
1116 | addargs(&alist, "%s", host); |
1117 | addargs(&alist, "%s", cmd); |
1118 | addargs(&alist, "%s", src); |
1119 | addargs(&alist, "%s%s%s:%s", |
1120 | tuser ? tuser : "", tuser ? "@" : "", |
1121 | thost, targ); |
1122 | if (do_local_cmd(&alist) != 0) |
1123 | errs = 1; |
1124 | } else { /* local to remote */ |
1125 | if (mode == MODE_SFTP) { |
1126 | /* no need to glob: already done by shell */ |
1127 | if (stat(argv[i], &sb) != 0) { |
1128 | fatal("stat local \"%s\": %s", argv[i],sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1129, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "stat local \"%s\": %s", argv[i], strerror((*__errno()))) |
1129 | strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1129, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "stat local \"%s\": %s", argv[i], strerror((*__errno()))); |
1130 | } |
1131 | if (remin == -1) { |
1132 | /* Connect to remote now */ |
1133 | conn = do_sftp_connect(thost, tuser, |
1134 | tport, sftp_direct, |
1135 | &remin, &remout, &do_cmd_pid); |
1136 | if (conn == NULL((void *)0)) { |
1137 | fatal("Unable to open sftp "sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1138, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unable to open sftp " "connection" ) |
1138 | "connection")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1138, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "Unable to open sftp " "connection" ); |
1139 | } |
1140 | } |
1141 | |
1142 | /* The protocol */ |
1143 | source_sftp(1, argv[i], targ, conn); |
1144 | continue; |
1145 | } |
1146 | /* SCP */ |
1147 | if (remin == -1) { |
1148 | xasprintf(&bp, "%s -t %s%s", cmd, |
1149 | *targ == '-' ? "-- " : "", targ); |
1150 | if (do_cmd(ssh_program, thost, tuser, tport, 0, |
1151 | bp, &remin, &remout, &do_cmd_pid) < 0) |
1152 | exit(1); |
1153 | if (response() < 0) |
1154 | exit(1); |
1155 | free(bp); |
1156 | } |
1157 | source(1, argv + i); |
1158 | } |
1159 | } |
1160 | out: |
1161 | if (mode == MODE_SFTP) |
1162 | free(conn); |
1163 | free(tuser); |
1164 | free(thost); |
1165 | free(targ); |
1166 | free(suser); |
1167 | free(host); |
1168 | free(src); |
1169 | } |
1170 | |
1171 | void |
1172 | tolocal(int argc, char **argv, enum scp_mode_e mode, char *sftp_direct) |
1173 | { |
1174 | char *bp, *host = NULL((void *)0), *src = NULL((void *)0), *suser = NULL((void *)0); |
1175 | arglist alist; |
1176 | struct sftp_conn *conn = NULL((void *)0); |
1177 | int i, r, sport = -1; |
1178 | |
1179 | memset(&alist, '\0', sizeof(alist)); |
1180 | alist.list = NULL((void *)0); |
1181 | |
1182 | for (i = 0; i < argc - 1; i++) { |
1183 | free(suser); |
1184 | free(host); |
1185 | free(src); |
1186 | r = parse_scp_uri(argv[i], &suser, &host, &sport, &src); |
1187 | if (r == -1) { |
1188 | fmprintf(stderr(&__sF[2]), "%s: invalid uri\n", argv[i]); |
1189 | ++errs; |
1190 | continue; |
1191 | } |
1192 | if (r != 0) |
1193 | parse_user_host_path(argv[i], &suser, &host, &src); |
1194 | if (suser != NULL((void *)0) && !okname(suser)) { |
1195 | ++errs; |
1196 | continue; |
1197 | } |
1198 | if (!host) { /* Local to local. */ |
1199 | freeargs(&alist); |
1200 | addargs(&alist, "%s", _PATH_CP"cp"); |
1201 | if (iamrecursive) |
1202 | addargs(&alist, "-r"); |
1203 | if (pflag) |
1204 | addargs(&alist, "-p"); |
1205 | addargs(&alist, "--"); |
1206 | addargs(&alist, "%s", argv[i]); |
1207 | addargs(&alist, "%s", argv[argc-1]); |
1208 | if (do_local_cmd(&alist)) |
1209 | ++errs; |
1210 | continue; |
1211 | } |
1212 | /* Remote to local. */ |
1213 | if (mode == MODE_SFTP) { |
1214 | conn = do_sftp_connect(host, suser, sport, |
1215 | sftp_direct, &remin, &remout, &do_cmd_pid); |
1216 | if (conn == NULL((void *)0)) { |
1217 | error("sftp connection failed")sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1217, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "sftp connection failed"); |
1218 | ++errs; |
1219 | continue; |
1220 | } |
1221 | |
1222 | /* The protocol */ |
1223 | sink_sftp(1, argv[argc - 1], src, conn); |
1224 | |
1225 | free(conn); |
1226 | (void) close(remin); |
1227 | (void) close(remout); |
1228 | remin = remout = -1; |
1229 | continue; |
1230 | } |
1231 | /* SCP */ |
1232 | xasprintf(&bp, "%s -f %s%s", |
1233 | cmd, *src == '-' ? "-- " : "", src); |
1234 | if (do_cmd(ssh_program, host, suser, sport, 0, bp, |
1235 | &remin, &remout, &do_cmd_pid) < 0) { |
1236 | free(bp); |
1237 | ++errs; |
1238 | continue; |
1239 | } |
1240 | free(bp); |
1241 | sink(1, argv + argc - 1, src); |
1242 | (void) close(remin); |
1243 | remin = remout = -1; |
1244 | } |
1245 | free(suser); |
1246 | free(host); |
1247 | free(src); |
1248 | } |
1249 | |
1250 | /* Prepare remote path, handling ~ by assuming cwd is the homedir */ |
1251 | static char * |
1252 | prepare_remote_path(struct sftp_conn *conn, const char *path) |
1253 | { |
1254 | size_t nslash; |
1255 | |
1256 | /* Handle ~ prefixed paths */ |
1257 | if (*path == '\0' || strcmp(path, "~") == 0) |
1258 | return xstrdup("."); |
1259 | if (*path != '~') |
1260 | return xstrdup(path); |
1261 | if (strncmp(path, "~/", 2) == 0) { |
1262 | if ((nslash = strspn(path + 2, "/")) == strlen(path + 2)) |
1263 | return xstrdup("."); |
1264 | return xstrdup(path + 2 + nslash); |
1265 | } |
1266 | if (sftp_can_expand_path(conn)) |
1267 | return sftp_expand_path(conn, path); |
1268 | /* No protocol extension */ |
1269 | error("server expand-path extension is required "sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1270, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "server expand-path extension is required " "for ~user paths in SFTP mode") |
1270 | "for ~user paths in SFTP mode")sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1270, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "server expand-path extension is required " "for ~user paths in SFTP mode"); |
1271 | return NULL((void *)0); |
1272 | } |
1273 | |
1274 | void |
1275 | source_sftp(int argc, char *src, char *targ, struct sftp_conn *conn) |
1276 | { |
1277 | char *target = NULL((void *)0), *filename = NULL((void *)0), *abs_dst = NULL((void *)0); |
1278 | int src_is_dir, target_is_dir; |
1279 | Attrib a; |
1280 | struct stat st; |
1281 | |
1282 | memset(&a, '\0', sizeof(a)); |
1283 | if (stat(src, &st) != 0) |
1284 | fatal("stat local \"%s\": %s", src, strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1284, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "stat local \"%s\": %s", src, strerror((*__errno()))); |
1285 | src_is_dir = S_ISDIR(st.st_mode)((st.st_mode & 0170000) == 0040000); |
1286 | if ((filename = basename(src)) == NULL((void *)0)) |
1287 | fatal("basename \"%s\": %s", src, strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1287, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "basename \"%s\": %s", src , strerror((*__errno()))); |
1288 | |
1289 | /* |
1290 | * No need to glob here - the local shell already took care of |
1291 | * the expansions |
1292 | */ |
1293 | if ((target = prepare_remote_path(conn, targ)) == NULL((void *)0)) |
1294 | cleanup_exit(255); |
1295 | target_is_dir = sftp_remote_is_dir(conn, target); |
1296 | if (targetshouldbedirectory && !target_is_dir) { |
1297 | debug("target directory \"%s\" does not exist", target)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1297, 0 , SYSLOG_LEVEL_DEBUG1, ((void *)0), "target directory \"%s\" does not exist" , target); |
1298 | a.flags = SSH2_FILEXFER_ATTR_PERMISSIONS0x00000004; |
1299 | a.perm = st.st_mode | 0700; /* ensure writable */ |
1300 | if (sftp_mkdir(conn, target, &a, 1) != 0) |
1301 | cleanup_exit(255); /* error already logged */ |
1302 | target_is_dir = 1; |
1303 | } |
1304 | if (target_is_dir) |
1305 | abs_dst = sftp_path_append(target, filename); |
1306 | else { |
1307 | abs_dst = target; |
1308 | target = NULL((void *)0); |
1309 | } |
1310 | debug3_f("copying local %s to remote %s", src, abs_dst)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1310, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "copying local %s to remote %s" , src, abs_dst); |
1311 | |
1312 | if (src_is_dir && iamrecursive) { |
1313 | if (sftp_upload_dir(conn, src, abs_dst, pflag, |
1314 | SFTP_PROGRESS_ONLY2, 0, 0, 1, 1) != 0) { |
1315 | error("failed to upload directory %s to %s", src, targ)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1315, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "failed to upload directory %s to %s" , src, targ); |
1316 | errs = 1; |
1317 | } |
1318 | } else if (sftp_upload(conn, src, abs_dst, pflag, 0, 0, 1) != 0) { |
1319 | error("failed to upload file %s to %s", src, targ)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1319, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "failed to upload file %s to %s" , src, targ); |
1320 | errs = 1; |
1321 | } |
1322 | |
1323 | free(abs_dst); |
1324 | free(target); |
1325 | } |
1326 | |
1327 | void |
1328 | source(int argc, char **argv) |
1329 | { |
1330 | struct stat stb; |
1331 | static BUF buffer; |
1332 | BUF *bp; |
1333 | off_t i, statbytes; |
1334 | size_t amt, nr; |
1335 | int fd = -1, haderr, indx; |
1336 | char *last, *name, buf[PATH_MAX1024 + 128], encname[PATH_MAX1024]; |
1337 | int len; |
1338 | |
1339 | for (indx = 0; indx < argc; ++indx) { |
1340 | name = argv[indx]; |
1341 | statbytes = 0; |
1342 | len = strlen(name); |
1343 | while (len > 1 && name[len-1] == '/') |
1344 | name[--len] = '\0'; |
1345 | if ((fd = open(name, O_RDONLY0x0000|O_NONBLOCK0x0004)) == -1) |
1346 | goto syserr; |
1347 | if (strchr(name, '\n') != NULL((void *)0)) { |
1348 | strnvis(encname, name, sizeof(encname), VIS_NL0x10); |
1349 | name = encname; |
1350 | } |
1351 | if (fstat(fd, &stb) == -1) { |
1352 | syserr: run_err("%s: %s", name, strerror(errno(*__errno()))); |
1353 | goto next; |
1354 | } |
1355 | if (stb.st_size < 0) { |
1356 | run_err("%s: %s", name, "Negative file size"); |
1357 | goto next; |
1358 | } |
1359 | unset_nonblock(fd); |
1360 | switch (stb.st_mode & S_IFMT0170000) { |
1361 | case S_IFREG0100000: |
1362 | break; |
1363 | case S_IFDIR0040000: |
1364 | if (iamrecursive) { |
1365 | rsource(name, &stb); |
1366 | goto next; |
1367 | } |
1368 | /* FALLTHROUGH */ |
1369 | default: |
1370 | run_err("%s: not a regular file", name); |
1371 | goto next; |
1372 | } |
1373 | if ((last = strrchr(name, '/')) == NULL((void *)0)) |
1374 | last = name; |
1375 | else |
1376 | ++last; |
1377 | curfile = last; |
1378 | if (pflag) { |
1379 | if (do_times(remout, verbose_mode, &stb) < 0) |
1380 | goto next; |
1381 | } |
1382 | #define FILEMODEMASK(0004000|0002000|0000700|0000070|0000007) (S_ISUID0004000|S_ISGID0002000|S_IRWXU0000700|S_IRWXG0000070|S_IRWXO0000007) |
1383 | snprintf(buf, sizeof buf, "C%04o %lld %s\n", |
1384 | (u_int) (stb.st_mode & FILEMODEMASK(0004000|0002000|0000700|0000070|0000007)), |
1385 | (long long)stb.st_size, last); |
1386 | if (verbose_mode) |
1387 | fmprintf(stderr(&__sF[2]), "Sending file modes: %s", buf); |
1388 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, buf, strlen(buf)); |
1389 | if (response() < 0) |
1390 | goto next; |
1391 | if ((bp = allocbuf(&buffer, fd, COPY_BUFLEN16384)) == NULL((void *)0)) { |
1392 | next: if (fd != -1) { |
1393 | (void) close(fd); |
1394 | fd = -1; |
1395 | } |
1396 | continue; |
1397 | } |
1398 | if (showprogress) |
1399 | start_progress_meter(curfile, stb.st_size, &statbytes); |
1400 | set_nonblock(remout); |
1401 | for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { |
1402 | amt = bp->cnt; |
1403 | if (i + (off_t)amt > stb.st_size) |
1404 | amt = stb.st_size - i; |
1405 | if (!haderr) { |
1406 | if ((nr = atomicio(read, fd, |
1407 | bp->buf, amt)) != amt) { |
1408 | haderr = errno(*__errno()); |
1409 | memset(bp->buf + nr, 0, amt - nr); |
1410 | } |
1411 | } |
1412 | /* Keep writing after error to retain sync */ |
1413 | if (haderr) { |
1414 | (void)atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, bp->buf, amt); |
1415 | memset(bp->buf, 0, amt); |
1416 | continue; |
1417 | } |
1418 | if (atomicio6(vwrite(ssize_t (*)(int, void *, size_t))write, remout, bp->buf, amt, scpio, |
1419 | &statbytes) != amt) |
1420 | haderr = errno(*__errno()); |
1421 | } |
1422 | unset_nonblock(remout); |
1423 | |
1424 | if (fd != -1) { |
1425 | if (close(fd) == -1 && !haderr) |
1426 | haderr = errno(*__errno()); |
1427 | fd = -1; |
Value stored to 'fd' is never read | |
1428 | } |
1429 | if (!haderr) |
1430 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, "", 1); |
1431 | else |
1432 | run_err("%s: %s", name, strerror(haderr)); |
1433 | (void) response(); |
1434 | if (showprogress) |
1435 | stop_progress_meter(); |
1436 | } |
1437 | } |
1438 | |
1439 | void |
1440 | rsource(char *name, struct stat *statp) |
1441 | { |
1442 | DIR *dirp; |
1443 | struct dirent *dp; |
1444 | char *last, *vect[1], path[PATH_MAX1024]; |
1445 | |
1446 | if (!(dirp = opendir(name))) { |
1447 | run_err("%s: %s", name, strerror(errno(*__errno()))); |
1448 | return; |
1449 | } |
1450 | last = strrchr(name, '/'); |
1451 | if (last == NULL((void *)0)) |
1452 | last = name; |
1453 | else |
1454 | last++; |
1455 | if (pflag) { |
1456 | if (do_times(remout, verbose_mode, statp) < 0) { |
1457 | closedir(dirp); |
1458 | return; |
1459 | } |
1460 | } |
1461 | (void) snprintf(path, sizeof path, "D%04o %d %.1024s\n", |
1462 | (u_int) (statp->st_mode & FILEMODEMASK(0004000|0002000|0000700|0000070|0000007)), 0, last); |
1463 | if (verbose_mode) |
1464 | fmprintf(stderr(&__sF[2]), "Entering directory: %s", path); |
1465 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, path, strlen(path)); |
1466 | if (response() < 0) { |
1467 | closedir(dirp); |
1468 | return; |
1469 | } |
1470 | while ((dp = readdir(dirp)) != NULL((void *)0)) { |
1471 | if (dp->d_inod_fileno == 0) |
1472 | continue; |
1473 | if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) |
1474 | continue; |
1475 | if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) { |
1476 | run_err("%s/%s: name too long", name, dp->d_name); |
1477 | continue; |
1478 | } |
1479 | (void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name); |
1480 | vect[0] = path; |
1481 | source(1, vect); |
1482 | } |
1483 | (void) closedir(dirp); |
1484 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, "E\n", 2); |
1485 | (void) response(); |
1486 | } |
1487 | |
1488 | void |
1489 | sink_sftp(int argc, char *dst, const char *src, struct sftp_conn *conn) |
1490 | { |
1491 | char *abs_src = NULL((void *)0); |
1492 | char *abs_dst = NULL((void *)0); |
1493 | glob_t g; |
1494 | char *filename, *tmp = NULL((void *)0); |
1495 | int i, r, err = 0, dst_is_dir; |
1496 | struct stat st; |
1497 | |
1498 | memset(&g, 0, sizeof(g)); |
1499 | |
1500 | /* |
1501 | * Here, we need remote glob as SFTP can not depend on remote shell |
1502 | * expansions |
1503 | */ |
1504 | if ((abs_src = prepare_remote_path(conn, src)) == NULL((void *)0)) { |
1505 | err = -1; |
1506 | goto out; |
1507 | } |
1508 | |
1509 | debug3_f("copying remote %s to local %s", abs_src, dst)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1509, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "copying remote %s to local %s" , abs_src, dst); |
1510 | if ((r = sftp_glob(conn, abs_src, GLOB_NOCHECK0x0010|GLOB_MARK0x0008, |
1511 | NULL((void *)0), &g)) != 0) { |
1512 | if (r == GLOB_NOSPACE(-1)) |
1513 | error("%s: too many glob matches", src)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1513, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: too many glob matches" , src); |
1514 | else |
1515 | error("%s: %s", src, strerror(ENOENT))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1515, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: %s", src, strerror(2) ); |
1516 | err = -1; |
1517 | goto out; |
1518 | } |
1519 | |
1520 | /* Did we actually get any matches back from the glob? */ |
1521 | if (g.gl_matchc == 0 && g.gl_pathc == 1 && g.gl_pathv[0] != 0) { |
1522 | /* |
1523 | * If nothing matched but a path returned, then it's probably |
1524 | * a GLOB_NOCHECK result. Check whether the unglobbed path |
1525 | * exists so we can give a nice error message early. |
1526 | */ |
1527 | if (sftp_stat(conn, g.gl_pathv[0], 1, NULL((void *)0)) != 0) { |
1528 | error("%s: %s", src, strerror(ENOENT))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1528, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: %s", src, strerror(2) ); |
1529 | err = -1; |
1530 | goto out; |
1531 | } |
1532 | } |
1533 | |
1534 | if ((r = stat(dst, &st)) != 0) |
1535 | debug2_f("stat local \"%s\": %s", dst, strerror(errno))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1535, 1 , SYSLOG_LEVEL_DEBUG2, ((void *)0), "stat local \"%s\": %s", dst , strerror((*__errno()))); |
1536 | dst_is_dir = r == 0 && S_ISDIR(st.st_mode)((st.st_mode & 0170000) == 0040000); |
1537 | |
1538 | if (g.gl_matchc > 1 && !dst_is_dir) { |
1539 | if (r == 0) { |
1540 | error("Multiple files match pattern, but destination "sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1541, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Multiple files match pattern, but destination " "\"%s\" is not a directory", dst) |
1541 | "\"%s\" is not a directory", dst)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1541, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "Multiple files match pattern, but destination " "\"%s\" is not a directory", dst); |
1542 | err = -1; |
1543 | goto out; |
1544 | } |
1545 | debug2_f("creating destination \"%s\"", dst)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1545, 1 , SYSLOG_LEVEL_DEBUG2, ((void *)0), "creating destination \"%s\"" , dst); |
1546 | if (mkdir(dst, 0777) != 0) { |
1547 | error("local mkdir \"%s\": %s", dst, strerror(errno))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1547, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "local mkdir \"%s\": %s", dst , strerror((*__errno()))); |
1548 | err = -1; |
1549 | goto out; |
1550 | } |
1551 | dst_is_dir = 1; |
1552 | } |
1553 | |
1554 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
1555 | tmp = xstrdup(g.gl_pathv[i]); |
1556 | if ((filename = basename(tmp)) == NULL((void *)0)) { |
1557 | error("basename %s: %s", tmp, strerror(errno))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1557, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "basename %s: %s", tmp, strerror ((*__errno()))); |
1558 | err = -1; |
1559 | goto out; |
1560 | } |
1561 | |
1562 | if (dst_is_dir) |
1563 | abs_dst = sftp_path_append(dst, filename); |
1564 | else |
1565 | abs_dst = xstrdup(dst); |
1566 | |
1567 | debug("Fetching %s to %s\n", g.gl_pathv[i], abs_dst)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1567, 0 , SYSLOG_LEVEL_DEBUG1, ((void *)0), "Fetching %s to %s\n", g. gl_pathv[i], abs_dst); |
1568 | if (sftp_globpath_is_dir(g.gl_pathv[i]) && iamrecursive) { |
1569 | if (sftp_download_dir(conn, g.gl_pathv[i], abs_dst, |
1570 | NULL((void *)0), pflag, SFTP_PROGRESS_ONLY2, 0, 0, 1, 1) == -1) |
1571 | err = -1; |
1572 | } else { |
1573 | if (sftp_download(conn, g.gl_pathv[i], abs_dst, NULL((void *)0), |
1574 | pflag, 0, 0, 1) == -1) |
1575 | err = -1; |
1576 | } |
1577 | free(abs_dst); |
1578 | abs_dst = NULL((void *)0); |
1579 | free(tmp); |
1580 | tmp = NULL((void *)0); |
1581 | } |
1582 | |
1583 | out: |
1584 | free(abs_src); |
1585 | free(tmp); |
1586 | globfree(&g); |
1587 | if (err == -1) |
1588 | errs = 1; |
1589 | } |
1590 | |
1591 | |
1592 | #define TYPE_OVERFLOW(type, val)((sizeof(type) == 4 && (val) > 0x7fffffff) || (sizeof (type) == 8 && (val) > 0x7fffffffffffffffLL) || (sizeof (type) != 4 && sizeof(type) != 8)) \ |
1593 | ((sizeof(type) == 4 && (val) > INT32_MAX0x7fffffff) || \ |
1594 | (sizeof(type) == 8 && (val) > INT64_MAX0x7fffffffffffffffLL) || \ |
1595 | (sizeof(type) != 4 && sizeof(type) != 8)) |
1596 | |
1597 | void |
1598 | sink(int argc, char **argv, const char *src) |
1599 | { |
1600 | static BUF buffer; |
1601 | struct stat stb; |
1602 | BUF *bp; |
1603 | off_t i; |
1604 | size_t j, count; |
1605 | int amt, exists, first, ofd; |
1606 | mode_t mode, omode, mask; |
1607 | off_t size, statbytes; |
1608 | unsigned long long ull; |
1609 | int setimes, targisdir, wrerr; |
1610 | char ch, *cp, *np, *targ, *why, *vect[1], buf[2048], visbuf[2048]; |
1611 | char **patterns = NULL((void *)0); |
1612 | size_t n, npatterns = 0; |
1613 | struct timeval tv[2]; |
1614 | |
1615 | #define atimetv[0] tv[0] |
1616 | #define mtimetv[1] tv[1] |
1617 | #define SCREWUP(str){ why = str; goto screwup; } { why = str; goto screwup; } |
1618 | |
1619 | if (TYPE_OVERFLOW(time_t, 0)((sizeof(time_t) == 4 && (0) > 0x7fffffff) || (sizeof (time_t) == 8 && (0) > 0x7fffffffffffffffLL) || (sizeof (time_t) != 4 && sizeof(time_t) != 8)) || TYPE_OVERFLOW(off_t, 0)((sizeof(off_t) == 4 && (0) > 0x7fffffff) || (sizeof (off_t) == 8 && (0) > 0x7fffffffffffffffLL) || (sizeof (off_t) != 4 && sizeof(off_t) != 8))) |
1620 | SCREWUP("Unexpected off_t/time_t size"){ why = "Unexpected off_t/time_t size"; goto screwup; }; |
1621 | |
1622 | setimes = targisdir = 0; |
1623 | mask = umask(0); |
1624 | if (!pflag) |
1625 | (void) umask(mask); |
1626 | if (argc != 1) { |
1627 | run_err("ambiguous target"); |
1628 | exit(1); |
1629 | } |
1630 | targ = *argv; |
1631 | if (targetshouldbedirectory) |
1632 | verifydir(targ); |
1633 | |
1634 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, "", 1); |
1635 | if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)((stb.st_mode & 0170000) == 0040000)) |
1636 | targisdir = 1; |
1637 | if (src != NULL((void *)0) && !iamrecursive && !Tflag) { |
1638 | /* |
1639 | * Prepare to try to restrict incoming filenames to match |
1640 | * the requested destination file glob. |
1641 | */ |
1642 | if (brace_expand(src, &patterns, &npatterns) != 0) |
1643 | fatal_f("could not expand pattern")sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1643, 1, SYSLOG_LEVEL_FATAL, ((void *)0), "could not expand pattern" ); |
1644 | } |
1645 | for (first = 1;; first = 0) { |
1646 | cp = buf; |
1647 | if (atomicio(read, remin, cp, 1) != 1) |
1648 | goto done; |
1649 | if (*cp++ == '\n') |
1650 | SCREWUP("unexpected <newline>"){ why = "unexpected <newline>"; goto screwup; }; |
1651 | do { |
1652 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
1653 | SCREWUP("lost connection"){ why = "lost connection"; goto screwup; }; |
1654 | *cp++ = ch; |
1655 | } while (cp < &buf[sizeof(buf) - 1] && ch != '\n'); |
1656 | *cp = 0; |
1657 | if (verbose_mode) |
1658 | fmprintf(stderr(&__sF[2]), "Sink: %s", buf); |
1659 | |
1660 | if (buf[0] == '\01' || buf[0] == '\02') { |
1661 | if (iamremote == 0) { |
1662 | (void) snmprintf(visbuf, sizeof(visbuf), |
1663 | NULL((void *)0), "%s", buf + 1); |
1664 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, STDERR_FILENO2, |
1665 | visbuf, strlen(visbuf)); |
1666 | } |
1667 | if (buf[0] == '\02') |
1668 | exit(1); |
1669 | ++errs; |
1670 | continue; |
1671 | } |
1672 | if (buf[0] == 'E') { |
1673 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, "", 1); |
1674 | goto done; |
1675 | } |
1676 | if (ch == '\n') |
1677 | *--cp = 0; |
1678 | |
1679 | cp = buf; |
1680 | if (*cp == 'T') { |
1681 | setimes++; |
1682 | cp++; |
1683 | if (!isdigit((unsigned char)*cp)) |
1684 | SCREWUP("mtime.sec not present"){ why = "mtime.sec not present"; goto screwup; }; |
1685 | ull = strtoull(cp, &cp, 10); |
1686 | if (!cp || *cp++ != ' ') |
1687 | SCREWUP("mtime.sec not delimited"){ why = "mtime.sec not delimited"; goto screwup; }; |
1688 | if (TYPE_OVERFLOW(time_t, ull)((sizeof(time_t) == 4 && (ull) > 0x7fffffff) || (sizeof (time_t) == 8 && (ull) > 0x7fffffffffffffffLL) || ( sizeof(time_t) != 4 && sizeof(time_t) != 8))) |
1689 | setimes = 0; /* out of range */ |
1690 | mtimetv[1].tv_sec = ull; |
1691 | mtimetv[1].tv_usec = strtol(cp, &cp, 10); |
1692 | if (!cp || *cp++ != ' ' || mtimetv[1].tv_usec < 0 || |
1693 | mtimetv[1].tv_usec > 999999) |
1694 | SCREWUP("mtime.usec not delimited"){ why = "mtime.usec not delimited"; goto screwup; }; |
1695 | if (!isdigit((unsigned char)*cp)) |
1696 | SCREWUP("atime.sec not present"){ why = "atime.sec not present"; goto screwup; }; |
1697 | ull = strtoull(cp, &cp, 10); |
1698 | if (!cp || *cp++ != ' ') |
1699 | SCREWUP("atime.sec not delimited"){ why = "atime.sec not delimited"; goto screwup; }; |
1700 | if (TYPE_OVERFLOW(time_t, ull)((sizeof(time_t) == 4 && (ull) > 0x7fffffff) || (sizeof (time_t) == 8 && (ull) > 0x7fffffffffffffffLL) || ( sizeof(time_t) != 4 && sizeof(time_t) != 8))) |
1701 | setimes = 0; /* out of range */ |
1702 | atimetv[0].tv_sec = ull; |
1703 | atimetv[0].tv_usec = strtol(cp, &cp, 10); |
1704 | if (!cp || *cp++ != '\0' || atimetv[0].tv_usec < 0 || |
1705 | atimetv[0].tv_usec > 999999) |
1706 | SCREWUP("atime.usec not delimited"){ why = "atime.usec not delimited"; goto screwup; }; |
1707 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, "", 1); |
1708 | continue; |
1709 | } |
1710 | if (*cp != 'C' && *cp != 'D') { |
1711 | /* |
1712 | * Check for the case "rcp remote:foo\* local:bar". |
1713 | * In this case, the line "No match." can be returned |
1714 | * by the shell before the rcp command on the remote is |
1715 | * executed so the ^Aerror_message convention isn't |
1716 | * followed. |
1717 | */ |
1718 | if (first) { |
1719 | run_err("%s", cp); |
1720 | exit(1); |
1721 | } |
1722 | SCREWUP("expected control record"){ why = "expected control record"; goto screwup; }; |
1723 | } |
1724 | mode = 0; |
1725 | for (++cp; cp < buf + 5; cp++) { |
1726 | if (*cp < '0' || *cp > '7') |
1727 | SCREWUP("bad mode"){ why = "bad mode"; goto screwup; }; |
1728 | mode = (mode << 3) | (*cp - '0'); |
1729 | } |
1730 | if (!pflag) |
1731 | mode &= ~mask; |
1732 | if (*cp++ != ' ') |
1733 | SCREWUP("mode not delimited"){ why = "mode not delimited"; goto screwup; }; |
1734 | |
1735 | if (!isdigit((unsigned char)*cp)) |
1736 | SCREWUP("size not present"){ why = "size not present"; goto screwup; }; |
1737 | ull = strtoull(cp, &cp, 10); |
1738 | if (!cp || *cp++ != ' ') |
1739 | SCREWUP("size not delimited"){ why = "size not delimited"; goto screwup; }; |
1740 | if (TYPE_OVERFLOW(off_t, ull)((sizeof(off_t) == 4 && (ull) > 0x7fffffff) || (sizeof (off_t) == 8 && (ull) > 0x7fffffffffffffffLL) || ( sizeof(off_t) != 4 && sizeof(off_t) != 8))) |
1741 | SCREWUP("size out of range"){ why = "size out of range"; goto screwup; }; |
1742 | size = (off_t)ull; |
1743 | |
1744 | if (*cp == '\0' || strchr(cp, '/') != NULL((void *)0) || |
1745 | strcmp(cp, ".") == 0 || strcmp(cp, "..") == 0) { |
1746 | run_err("error: unexpected filename: %s", cp); |
1747 | exit(1); |
1748 | } |
1749 | if (npatterns > 0) { |
1750 | for (n = 0; n < npatterns; n++) { |
1751 | if (strcmp(patterns[n], cp) == 0 || |
1752 | fnmatch(patterns[n], cp, 0) == 0) |
1753 | break; |
1754 | } |
1755 | if (n >= npatterns) { |
1756 | debug2_f("incoming filename \"%s\" does not "sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1758, 1 , SYSLOG_LEVEL_DEBUG2, ((void *)0), "incoming filename \"%s\" does not " "match any of %zu expected patterns", cp, npatterns) |
1757 | "match any of %zu expected patterns", cp,sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1758, 1 , SYSLOG_LEVEL_DEBUG2, ((void *)0), "incoming filename \"%s\" does not " "match any of %zu expected patterns", cp, npatterns) |
1758 | npatterns)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1758, 1 , SYSLOG_LEVEL_DEBUG2, ((void *)0), "incoming filename \"%s\" does not " "match any of %zu expected patterns", cp, npatterns); |
1759 | for (n = 0; n < npatterns; n++) { |
1760 | debug3_f("expected pattern %zu: \"%s\"",sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1761, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "expected pattern %zu: \"%s\"" , n, patterns[n]) |
1761 | n, patterns[n])sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1761, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "expected pattern %zu: \"%s\"" , n, patterns[n]); |
1762 | } |
1763 | SCREWUP("filename does not match request"){ why = "filename does not match request"; goto screwup; }; |
1764 | } |
1765 | } |
1766 | if (targisdir) { |
1767 | static char *namebuf; |
1768 | static size_t cursize; |
1769 | size_t need; |
1770 | |
1771 | need = strlen(targ) + strlen(cp) + 250; |
1772 | if (need > cursize) { |
1773 | free(namebuf); |
1774 | namebuf = xmalloc(need); |
1775 | cursize = need; |
1776 | } |
1777 | (void) snprintf(namebuf, need, "%s%s%s", targ, |
1778 | strcmp(targ, "/") ? "/" : "", cp); |
1779 | np = namebuf; |
1780 | } else |
1781 | np = targ; |
1782 | curfile = cp; |
1783 | exists = stat(np, &stb) == 0; |
1784 | if (buf[0] == 'D') { |
1785 | int mod_flag = pflag; |
1786 | if (!iamrecursive) |
1787 | SCREWUP("received directory without -r"){ why = "received directory without -r"; goto screwup; }; |
1788 | if (exists) { |
1789 | if (!S_ISDIR(stb.st_mode)((stb.st_mode & 0170000) == 0040000)) { |
1790 | errno(*__errno()) = ENOTDIR20; |
1791 | goto bad; |
1792 | } |
1793 | if (pflag) |
1794 | (void) chmod(np, mode); |
1795 | } else { |
1796 | /* Handle copying from a read-only directory */ |
1797 | mod_flag = 1; |
1798 | if (mkdir(np, mode | S_IRWXU0000700) == -1) |
1799 | goto bad; |
1800 | } |
1801 | vect[0] = xstrdup(np); |
1802 | sink(1, vect, src); |
1803 | if (setimes) { |
1804 | setimes = 0; |
1805 | (void) utimes(vect[0], tv); |
1806 | } |
1807 | if (mod_flag) |
1808 | (void) chmod(vect[0], mode); |
1809 | free(vect[0]); |
1810 | continue; |
1811 | } |
1812 | omode = mode; |
1813 | mode |= S_IWUSR0000200; |
1814 | if ((ofd = open(np, O_WRONLY0x0001|O_CREAT0x0200, mode)) == -1) { |
1815 | bad: run_err("%s: %s", np, strerror(errno(*__errno()))); |
1816 | continue; |
1817 | } |
1818 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, "", 1); |
1819 | if ((bp = allocbuf(&buffer, ofd, COPY_BUFLEN16384)) == NULL((void *)0)) { |
1820 | (void) close(ofd); |
1821 | continue; |
1822 | } |
1823 | cp = bp->buf; |
1824 | wrerr = 0; |
1825 | |
1826 | /* |
1827 | * NB. do not use run_err() unless immediately followed by |
1828 | * exit() below as it may send a spurious reply that might |
1829 | * desyncronise us from the peer. Use note_err() instead. |
1830 | */ |
1831 | statbytes = 0; |
1832 | if (showprogress) |
1833 | start_progress_meter(curfile, size, &statbytes); |
1834 | set_nonblock(remin); |
1835 | for (count = i = 0; i < size; i += bp->cnt) { |
1836 | amt = bp->cnt; |
1837 | if (i + amt > size) |
1838 | amt = size - i; |
1839 | count += amt; |
1840 | do { |
1841 | j = atomicio6(read, remin, cp, amt, |
1842 | scpio, &statbytes); |
1843 | if (j == 0) { |
1844 | run_err("%s", j != EPIPE32 ? |
1845 | strerror(errno(*__errno())) : |
1846 | "dropped connection"); |
1847 | exit(1); |
1848 | } |
1849 | amt -= j; |
1850 | cp += j; |
1851 | } while (amt > 0); |
1852 | |
1853 | if (count == bp->cnt) { |
1854 | /* Keep reading so we stay sync'd up. */ |
1855 | if (!wrerr) { |
1856 | if (atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, ofd, bp->buf, |
1857 | count) != count) { |
1858 | note_err("%s: %s", np, |
1859 | strerror(errno(*__errno()))); |
1860 | wrerr = 1; |
1861 | } |
1862 | } |
1863 | count = 0; |
1864 | cp = bp->buf; |
1865 | } |
1866 | } |
1867 | unset_nonblock(remin); |
1868 | if (count != 0 && !wrerr && |
1869 | atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, ofd, bp->buf, count) != count) { |
1870 | note_err("%s: %s", np, strerror(errno(*__errno()))); |
1871 | wrerr = 1; |
1872 | } |
1873 | if (!wrerr && (!exists || S_ISREG(stb.st_mode)((stb.st_mode & 0170000) == 0100000)) && |
1874 | ftruncate(ofd, size) != 0) |
1875 | note_err("%s: truncate: %s", np, strerror(errno(*__errno()))); |
1876 | if (pflag) { |
1877 | if (exists || omode != mode) |
1878 | if (fchmod(ofd, omode)) { |
1879 | note_err("%s: set mode: %s", |
1880 | np, strerror(errno(*__errno()))); |
1881 | } |
1882 | } else { |
1883 | if (!exists && omode != mode) |
1884 | if (fchmod(ofd, omode & ~mask)) { |
1885 | note_err("%s: set mode: %s", |
1886 | np, strerror(errno(*__errno()))); |
1887 | } |
1888 | } |
1889 | if (close(ofd) == -1) |
1890 | note_err("%s: close: %s", np, strerror(errno(*__errno()))); |
1891 | (void) response(); |
1892 | if (showprogress) |
1893 | stop_progress_meter(); |
1894 | if (setimes && !wrerr) { |
1895 | setimes = 0; |
1896 | if (utimes(np, tv) == -1) { |
1897 | note_err("%s: set times: %s", |
1898 | np, strerror(errno(*__errno()))); |
1899 | } |
1900 | } |
1901 | /* If no error was noted then signal success for this file */ |
1902 | if (note_err(NULL((void *)0)) == 0) |
1903 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, remout, "", 1); |
1904 | } |
1905 | done: |
1906 | for (n = 0; n < npatterns; n++) |
1907 | free(patterns[n]); |
1908 | free(patterns); |
1909 | return; |
1910 | screwup: |
1911 | for (n = 0; n < npatterns; n++) |
1912 | free(patterns[n]); |
1913 | free(patterns); |
1914 | run_err("protocol error: %s", why); |
1915 | exit(1); |
1916 | } |
1917 | |
1918 | void |
1919 | throughlocal_sftp(struct sftp_conn *from, struct sftp_conn *to, |
1920 | char *src, char *targ) |
1921 | { |
1922 | char *target = NULL((void *)0), *filename = NULL((void *)0), *abs_dst = NULL((void *)0); |
1923 | char *abs_src = NULL((void *)0), *tmp = NULL((void *)0); |
1924 | glob_t g; |
1925 | int i, r, targetisdir, err = 0; |
1926 | |
1927 | if ((filename = basename(src)) == NULL((void *)0)) |
1928 | fatal("basename %s: %s", src, strerror(errno))sshfatal("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1928, 0, SYSLOG_LEVEL_FATAL, ((void *)0), "basename %s: %s", src, strerror ((*__errno()))); |
1929 | |
1930 | if ((abs_src = prepare_remote_path(from, src)) == NULL((void *)0) || |
1931 | (target = prepare_remote_path(to, targ)) == NULL((void *)0)) |
1932 | cleanup_exit(255); |
1933 | memset(&g, 0, sizeof(g)); |
1934 | |
1935 | targetisdir = sftp_remote_is_dir(to, target); |
1936 | if (!targetisdir && targetshouldbedirectory) { |
1937 | error("%s: destination is not a directory", targ)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1937, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: destination is not a directory" , targ); |
1938 | err = -1; |
1939 | goto out; |
1940 | } |
1941 | |
1942 | debug3_f("copying remote %s to remote %s", abs_src, target)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1942, 1 , SYSLOG_LEVEL_DEBUG3, ((void *)0), "copying remote %s to remote %s" , abs_src, target); |
1943 | if ((r = sftp_glob(from, abs_src, GLOB_NOCHECK0x0010|GLOB_MARK0x0008, |
1944 | NULL((void *)0), &g)) != 0) { |
1945 | if (r == GLOB_NOSPACE(-1)) |
1946 | error("%s: too many glob matches", src)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1946, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: too many glob matches" , src); |
1947 | else |
1948 | error("%s: %s", src, strerror(ENOENT))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1948, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: %s", src, strerror(2) ); |
1949 | err = -1; |
1950 | goto out; |
1951 | } |
1952 | |
1953 | /* Did we actually get any matches back from the glob? */ |
1954 | if (g.gl_matchc == 0 && g.gl_pathc == 1 && g.gl_pathv[0] != 0) { |
1955 | /* |
1956 | * If nothing matched but a path returned, then it's probably |
1957 | * a GLOB_NOCHECK result. Check whether the unglobbed path |
1958 | * exists so we can give a nice error message early. |
1959 | */ |
1960 | if (sftp_stat(from, g.gl_pathv[0], 1, NULL((void *)0)) != 0) { |
1961 | error("%s: %s", src, strerror(ENOENT))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1961, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "%s: %s", src, strerror(2) ); |
1962 | err = -1; |
1963 | goto out; |
1964 | } |
1965 | } |
1966 | |
1967 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
1968 | tmp = xstrdup(g.gl_pathv[i]); |
1969 | if ((filename = basename(tmp)) == NULL((void *)0)) { |
1970 | error("basename %s: %s", tmp, strerror(errno))sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1970, 0 , SYSLOG_LEVEL_ERROR, ((void *)0), "basename %s: %s", tmp, strerror ((*__errno()))); |
1971 | err = -1; |
1972 | goto out; |
1973 | } |
1974 | |
1975 | if (targetisdir) |
1976 | abs_dst = sftp_path_append(target, filename); |
1977 | else |
1978 | abs_dst = xstrdup(target); |
1979 | |
1980 | debug("Fetching %s to %s\n", g.gl_pathv[i], abs_dst)sshlog("/usr/src/usr.bin/ssh/scp/../scp.c", __func__, 1980, 0 , SYSLOG_LEVEL_DEBUG1, ((void *)0), "Fetching %s to %s\n", g. gl_pathv[i], abs_dst); |
1981 | if (sftp_globpath_is_dir(g.gl_pathv[i]) && iamrecursive) { |
1982 | if (sftp_crossload_dir(from, to, g.gl_pathv[i], abs_dst, |
1983 | NULL((void *)0), pflag, SFTP_PROGRESS_ONLY2, 1) == -1) |
1984 | err = -1; |
1985 | } else { |
1986 | if (sftp_crossload(from, to, g.gl_pathv[i], abs_dst, |
1987 | NULL((void *)0), pflag) == -1) |
1988 | err = -1; |
1989 | } |
1990 | free(abs_dst); |
1991 | abs_dst = NULL((void *)0); |
1992 | free(tmp); |
1993 | tmp = NULL((void *)0); |
1994 | } |
1995 | |
1996 | out: |
1997 | free(abs_src); |
1998 | free(abs_dst); |
1999 | free(target); |
2000 | free(tmp); |
2001 | globfree(&g); |
2002 | if (err == -1) |
2003 | errs = 1; |
2004 | } |
2005 | |
2006 | int |
2007 | response(void) |
2008 | { |
2009 | char ch, *cp, resp, rbuf[2048], visbuf[2048]; |
2010 | |
2011 | if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp)) |
2012 | lostconn(0); |
2013 | |
2014 | cp = rbuf; |
2015 | switch (resp) { |
2016 | case 0: /* ok */ |
2017 | return (0); |
2018 | default: |
2019 | *cp++ = resp; |
2020 | /* FALLTHROUGH */ |
2021 | case 1: /* error, followed by error msg */ |
2022 | case 2: /* fatal error, "" */ |
2023 | do { |
2024 | if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) |
2025 | lostconn(0); |
2026 | *cp++ = ch; |
2027 | } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n'); |
2028 | |
2029 | if (!iamremote) { |
2030 | cp[-1] = '\0'; |
2031 | (void) snmprintf(visbuf, sizeof(visbuf), |
2032 | NULL((void *)0), "%s\n", rbuf); |
2033 | (void) atomicio(vwrite(ssize_t (*)(int, void *, size_t))write, STDERR_FILENO2, |
2034 | visbuf, strlen(visbuf)); |
2035 | } |
2036 | ++errs; |
2037 | if (resp == 1) |
2038 | return (-1); |
2039 | exit(1); |
2040 | } |
2041 | /* NOTREACHED */ |
2042 | } |
2043 | |
2044 | void |
2045 | usage(void) |
2046 | { |
2047 | (void) fprintf(stderr(&__sF[2]), |
2048 | "usage: scp [-346ABCOpqRrsTv] [-c cipher] [-D sftp_server_path] [-F ssh_config]\n" |
2049 | " [-i identity_file] [-J destination] [-l limit] [-o ssh_option]\n" |
2050 | " [-P port] [-S program] [-X sftp_option] source ... target\n"); |
2051 | exit(1); |
2052 | } |
2053 | |
2054 | void |
2055 | run_err(const char *fmt,...) |
2056 | { |
2057 | static FILE *fp; |
2058 | va_list ap; |
2059 | |
2060 | ++errs; |
2061 | if (fp != NULL((void *)0) || (remout != -1 && (fp = fdopen(remout, "w")))) { |
2062 | (void) fprintf(fp, "%c", 0x01); |
2063 | (void) fprintf(fp, "scp: "); |
2064 | va_start(ap, fmt)__builtin_va_start((ap), fmt); |
2065 | (void) vfprintf(fp, fmt, ap); |
2066 | va_end(ap)__builtin_va_end((ap)); |
2067 | (void) fprintf(fp, "\n"); |
2068 | (void) fflush(fp); |
2069 | } |
2070 | |
2071 | if (!iamremote) { |
2072 | va_start(ap, fmt)__builtin_va_start((ap), fmt); |
2073 | vfmprintf(stderr(&__sF[2]), fmt, ap); |
2074 | va_end(ap)__builtin_va_end((ap)); |
2075 | fprintf(stderr(&__sF[2]), "\n"); |
2076 | } |
2077 | } |
2078 | |
2079 | /* |
2080 | * Notes a sink error for sending at the end of a file transfer. Returns 0 if |
2081 | * no error has been noted or -1 otherwise. Use note_err(NULL) to flush |
2082 | * any active error at the end of the transfer. |
2083 | */ |
2084 | int |
2085 | note_err(const char *fmt, ...) |
2086 | { |
2087 | static char *emsg; |
2088 | va_list ap; |
2089 | |
2090 | /* Replay any previously-noted error */ |
2091 | if (fmt == NULL((void *)0)) { |
2092 | if (emsg == NULL((void *)0)) |
2093 | return 0; |
2094 | run_err("%s", emsg); |
2095 | free(emsg); |
2096 | emsg = NULL((void *)0); |
2097 | return -1; |
2098 | } |
2099 | |
2100 | errs++; |
2101 | /* Prefer first-noted error */ |
2102 | if (emsg != NULL((void *)0)) |
2103 | return -1; |
2104 | |
2105 | va_start(ap, fmt)__builtin_va_start((ap), fmt); |
2106 | vasnmprintf(&emsg, INT_MAX0x7fffffff, NULL((void *)0), fmt, ap); |
2107 | va_end(ap)__builtin_va_end((ap)); |
2108 | return -1; |
2109 | } |
2110 | |
2111 | void |
2112 | verifydir(char *cp) |
2113 | { |
2114 | struct stat stb; |
2115 | |
2116 | if (!stat(cp, &stb)) { |
2117 | if (S_ISDIR(stb.st_mode)((stb.st_mode & 0170000) == 0040000)) |
2118 | return; |
2119 | errno(*__errno()) = ENOTDIR20; |
2120 | } |
2121 | run_err("%s: %s", cp, strerror(errno(*__errno()))); |
2122 | killchild(0); |
2123 | } |
2124 | |
2125 | int |
2126 | okname(char *cp0) |
2127 | { |
2128 | int c; |
2129 | char *cp; |
2130 | |
2131 | cp = cp0; |
2132 | do { |
2133 | c = (int)*cp; |
2134 | if (c & 0200) |
2135 | goto bad; |
2136 | if (!isalpha(c) && !isdigit((unsigned char)c)) { |
2137 | switch (c) { |
2138 | case '\'': |
2139 | case '"': |
2140 | case '`': |
2141 | case ' ': |
2142 | case '#': |
2143 | goto bad; |
2144 | default: |
2145 | break; |
2146 | } |
2147 | } |
2148 | } while (*++cp); |
2149 | return (1); |
2150 | |
2151 | bad: fmprintf(stderr(&__sF[2]), "%s: invalid user name\n", cp0); |
2152 | return (0); |
2153 | } |
2154 | |
2155 | BUF * |
2156 | allocbuf(BUF *bp, int fd, int blksize) |
2157 | { |
2158 | size_t size; |
2159 | struct stat stb; |
2160 | |
2161 | if (fstat(fd, &stb) == -1) { |
2162 | run_err("fstat: %s", strerror(errno(*__errno()))); |
2163 | return (0); |
2164 | } |
2165 | size = ROUNDUP(stb.st_blksize, blksize)((((stb.st_blksize)+((blksize)-1))/(blksize))*(blksize)); |
2166 | if (size == 0) |
2167 | size = blksize; |
2168 | if (bp->cnt >= size) |
2169 | return (bp); |
2170 | bp->buf = xrecallocarray(bp->buf, bp->cnt, size, 1); |
2171 | bp->cnt = size; |
2172 | return (bp); |
2173 | } |
2174 | |
2175 | void |
2176 | lostconn(int signo) |
2177 | { |
2178 | if (!iamremote) |
2179 | (void)write(STDERR_FILENO2, "lost connection\n", 16); |
2180 | if (signo) |
2181 | _exit(1); |
2182 | else |
2183 | exit(1); |
2184 | } |
2185 | |
2186 | void |
2187 | cleanup_exit(int i) |
2188 | { |
2189 | if (remin > 0) |
2190 | close(remin); |
2191 | if (remout > 0) |
2192 | close(remout); |
2193 | if (remin2 > 0) |
2194 | close(remin2); |
2195 | if (remout2 > 0) |
2196 | close(remout2); |
2197 | if (do_cmd_pid > 0) |
2198 | (void)waitpid(do_cmd_pid, NULL((void *)0), 0); |
2199 | if (do_cmd_pid2 > 0) |
2200 | (void)waitpid(do_cmd_pid2, NULL((void *)0), 0); |
2201 | exit(i); |
2202 | } |