Commit | Line | Data |
---|---|---|
0f78b815 WD |
1 | /* |
2 | * The startup routines, including main(), for rsync. | |
3 | * | |
4 | * Copyright (C) 1996-2001 Andrew Tridgell <tridge@samba.org> | |
5 | * Copyright (C) 1996 Paul Mackerras | |
6 | * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org> | |
ba2133d6 | 7 | * Copyright (C) 2003-2007 Wayne Davison |
0f78b815 WD |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
8e41b68e WD |
10 | * it under the terms of the GNU General Public License as published by |
11 | * the Free Software Foundation; either version 3 of the License, or | |
12 | * (at your option) any later version. | |
0f78b815 WD |
13 | * |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
e7c67065 | 19 | * You should have received a copy of the GNU General Public License along |
4fd842f9 | 20 | * with this program; if not, visit the http://fsf.org website. |
0f78b815 | 21 | */ |
c627d613 AT |
22 | |
23 | #include "rsync.h" | |
1b42f628 | 24 | #include "ifuncs.h" |
a72ba0cf | 25 | #include "io.h" |
d9401514 WD |
26 | #if defined CONFIG_LOCALE && defined HAVE_LOCALE_H |
27 | #include <locale.h> | |
28 | #endif | |
c627d613 | 29 | |
50839b4b WD |
30 | extern int verbose; |
31 | extern int dry_run; | |
32 | extern int list_only; | |
32eda096 | 33 | extern int am_root; |
d9c7edf6 WD |
34 | extern int am_server; |
35 | extern int am_sender; | |
b695f242 | 36 | extern int am_generator; |
d9c7edf6 | 37 | extern int am_daemon; |
3ea6e0e7 | 38 | extern int inc_recurse; |
32eda096 | 39 | extern int blocking_io; |
47c11975 | 40 | extern int remove_source_files; |
bf26aa22 | 41 | extern int need_messages_from_generator; |
051182cb | 42 | extern int kluge_around_eof; |
32eda096 | 43 | extern int do_stats; |
32eda096 WD |
44 | extern int log_got_error; |
45 | extern int module_id; | |
bb6721dc | 46 | extern int copy_links; |
a695b379 | 47 | extern int copy_dirlinks; |
83926d3c | 48 | extern int keep_dirlinks; |
32eda096 | 49 | extern int preserve_hard_links; |
d04e9c51 | 50 | extern int protocol_version; |
f3d6d480 | 51 | extern int file_total; |
32eda096 | 52 | extern int recurse; |
26bbb6aa | 53 | extern int xfer_dirs; |
f7e5068d | 54 | extern int protect_args; |
32eda096 | 55 | extern int relative_paths; |
7c58c991 | 56 | extern int sanitize_paths; |
c2a2147a | 57 | extern int curr_dir_depth; |
615a5415 | 58 | extern int curr_dir_len; |
7c58c991 | 59 | extern int module_id; |
32eda096 | 60 | extern int rsync_port; |
b1df18d7 | 61 | extern int whole_file; |
32eda096 WD |
62 | extern int read_batch; |
63 | extern int write_batch; | |
b9f592fb | 64 | extern int batch_fd; |
32eda096 WD |
65 | extern int filesfrom_fd; |
66 | extern pid_t cleanup_child_pid; | |
50839b4b | 67 | extern struct stats stats; |
860236bf | 68 | extern char *filesfrom_host; |
c2c8db91 | 69 | extern char *partial_dir; |
7c58c991 | 70 | extern char *basis_dir[]; |
32eda096 WD |
71 | extern char *rsync_path; |
72 | extern char *shell_cmd; | |
9b3318b0 | 73 | extern char *batch_name; |
a39da29a | 74 | extern char *password_file; |
615a5415 | 75 | extern char curr_dir[MAXPATHLEN]; |
da131912 | 76 | extern struct file_list *first_flist; |
c2c8db91 | 77 | extern struct filter_list_struct server_filter_list; |
71605b0f WD |
78 | #ifdef ICONV_OPTION |
79 | extern iconv_t ic_send; | |
80 | #endif | |
57dee64e WD |
81 | |
82 | int local_server = 0; | |
e208631a | 83 | int daemon_over_rsh = 0; |
05278935 | 84 | mode_t orig_umask = 0; |
f3d6d480 | 85 | int batch_gen_fd = -1; |
c627d613 | 86 | |
91c5833b WD |
87 | /* There's probably never more than at most 2 outstanding child processes, |
88 | * but set it higher, just in case. */ | |
84e6d6fd | 89 | #define MAXCHILDPROCS 7 |
ee7118a8 | 90 | |
8261af74 WD |
91 | #ifdef HAVE_SIGACTION |
92 | # ifdef HAVE_SIGPROCMASK | |
93 | # define SIGACTMASK(n,h) SIGACTION(n,h), sigaddset(&sigmask,(n)) | |
94 | # else | |
95 | # define SIGACTMASK(n,h) SIGACTION(n,h) | |
96 | # endif | |
60ee01f5 WD |
97 | static struct sigaction sigact; |
98 | #endif | |
99 | ||
ee7118a8 DD |
100 | struct pid_status { |
101 | pid_t pid; | |
84e6d6fd | 102 | int status; |
ee7118a8 DD |
103 | } pid_stat_table[MAXCHILDPROCS]; |
104 | ||
33c4b445 WD |
105 | static time_t starttime, endtime; |
106 | static int64 total_read, total_written; | |
107 | ||
e5a2b854 | 108 | static void show_malloc_stats(void); |
82980a23 | 109 | |
97d8e709 | 110 | /* Works like waitpid(), but if we already harvested the child pid in our |
6d59ac19 | 111 | * remember_children(), we succeed instead of returning an error. */ |
97d8e709 | 112 | pid_t wait_process(pid_t pid, int *status_ptr, int flags) |
82980a23 | 113 | { |
d365e229 WD |
114 | pid_t waited_pid; |
115 | ||
116 | do { | |
117 | waited_pid = waitpid(pid, status_ptr, flags); | |
118 | } while (waited_pid == -1 && errno == EINTR); | |
d9c7edf6 | 119 | |
6fb812f7 | 120 | if (waited_pid == -1 && errno == ECHILD) { |
97d8e709 | 121 | /* Status of requested child no longer available: check to |
6d59ac19 | 122 | * see if it was processed by remember_children(). */ |
97d8e709 | 123 | int cnt; |
84e6d6fd | 124 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { |
ee7118a8 | 125 | if (pid == pid_stat_table[cnt].pid) { |
97d8e709 | 126 | *status_ptr = pid_stat_table[cnt].status; |
ee7118a8 | 127 | pid_stat_table[cnt].pid = 0; |
97d8e709 | 128 | return pid; |
ee7118a8 DD |
129 | } |
130 | } | |
131 | } | |
132 | ||
97d8e709 WD |
133 | return waited_pid; |
134 | } | |
135 | ||
136 | /* Wait for a process to exit, calling io_flush while waiting. */ | |
84e6d6fd | 137 | static void wait_process_with_flush(pid_t pid, int *exit_code_ptr) |
97d8e709 WD |
138 | { |
139 | pid_t waited_pid; | |
140 | int status; | |
141 | ||
142 | while ((waited_pid = wait_process(pid, &status, WNOHANG)) == 0) { | |
143 | msleep(20); | |
144 | io_flush(FULL_FLUSH); | |
145 | } | |
146 | ||
d9c7edf6 WD |
147 | /* TODO: If the child exited on a signal, then log an |
148 | * appropriate error message. Perhaps we should also accept a | |
149 | * message describing the purpose of the child. Also indicate | |
dbefb6b4 | 150 | * this to the caller so that they know something went wrong. */ |
84e6d6fd WD |
151 | if (waited_pid < 0) { |
152 | rsyserr(FERROR, errno, "waitpid"); | |
153 | *exit_code_ptr = RERR_WAITCHILD; | |
154 | } else if (!WIFEXITED(status)) { | |
40e6752f | 155 | #ifdef WCOREDUMP |
dbefb6b4 | 156 | if (WCOREDUMP(status)) |
84e6d6fd | 157 | *exit_code_ptr = RERR_CRASHED; |
40e6752f WD |
158 | else |
159 | #endif | |
160 | if (WIFSIGNALED(status)) | |
84e6d6fd | 161 | *exit_code_ptr = RERR_TERMINATED; |
dbefb6b4 | 162 | else |
84e6d6fd | 163 | *exit_code_ptr = RERR_WAITCHILD; |
dbefb6b4 | 164 | } else |
84e6d6fd | 165 | *exit_code_ptr = WEXITSTATUS(status); |
82980a23 AT |
166 | } |
167 | ||
b9f592fb WD |
168 | /* This function gets called from all 3 processes. We want the client side |
169 | * to actually output the text, but the sender is the only process that has | |
170 | * all the stats we need. So, if we're a client sender, we do the report. | |
171 | * If we're a server sender, we write the stats on the supplied fd. If | |
172 | * we're the client receiver we read the stats from the supplied fd and do | |
173 | * the report. All processes might also generate a set of debug stats, if | |
174 | * the verbose level is high enough (this is the only thing that the | |
175 | * generator process and the server receiver ever do here). */ | |
33c4b445 | 176 | static void handle_stats(int f) |
c627d613 | 177 | { |
33c4b445 WD |
178 | endtime = time(NULL); |
179 | ||
b9f592fb | 180 | /* Cache two stats because the read/write code can change it. */ |
33c4b445 WD |
181 | total_read = stats.total_read; |
182 | total_written = stats.total_written; | |
7a6421fa | 183 | |
7bb7058e | 184 | if (do_stats && verbose > 1) { |
5c15e29f | 185 | /* These come out from every process */ |
7bb7058e | 186 | show_malloc_stats(); |
86943126 | 187 | show_flist_stats(); |
5c15e29f MP |
188 | } |
189 | ||
e5fbaa71 S |
190 | if (am_generator) |
191 | return; | |
192 | ||
248fbb8c | 193 | if (am_daemon) { |
83926d3c WD |
194 | if (f == -1 || !am_sender) |
195 | return; | |
248fbb8c AT |
196 | } |
197 | ||
e19452a9 | 198 | if (am_server) { |
3e491682 | 199 | if (am_sender) { |
a72ba0cf WD |
200 | write_varlong30(f, total_read, 3); |
201 | write_varlong30(f, total_written, 3); | |
202 | write_varlong30(f, stats.total_size, 3); | |
f0f7e760 | 203 | if (protocol_version >= 29) { |
a72ba0cf WD |
204 | write_varlong30(f, stats.flist_buildtime, 3); |
205 | write_varlong30(f, stats.flist_xfertime, 3); | |
f0f7e760 | 206 | } |
e19452a9 | 207 | } |
7a6421fa AT |
208 | return; |
209 | } | |
e19452a9 DD |
210 | |
211 | /* this is the client */ | |
d9c7edf6 | 212 | |
9d19f8a5 | 213 | if (f < 0 && !am_sender) /* e.g. when we got an empty file list. */ |
0f78b815 | 214 | ; |
9d19f8a5 | 215 | else if (!am_sender) { |
58c5c245 WD |
216 | /* Read the first two in opposite order because the meaning of |
217 | * read/write swaps when switching from sender to receiver. */ | |
a72ba0cf WD |
218 | total_written = read_varlong30(f, 3); |
219 | total_read = read_varlong30(f, 3); | |
220 | stats.total_size = read_varlong30(f, 3); | |
f0f7e760 | 221 | if (protocol_version >= 29) { |
a72ba0cf WD |
222 | stats.flist_buildtime = read_varlong30(f, 3); |
223 | stats.flist_xfertime = read_varlong30(f, 3); | |
f0f7e760 | 224 | } |
e4676bb5 | 225 | } else if (write_batch) { |
b9f592fb WD |
226 | /* The --read-batch process is going to be a client |
227 | * receiver, so we need to give it the stats. */ | |
a72ba0cf WD |
228 | write_varlong30(batch_fd, total_read, 3); |
229 | write_varlong30(batch_fd, total_written, 3); | |
230 | write_varlong30(batch_fd, stats.total_size, 3); | |
f0f7e760 | 231 | if (protocol_version >= 29) { |
a72ba0cf WD |
232 | write_varlong30(batch_fd, stats.flist_buildtime, 3); |
233 | write_varlong30(batch_fd, stats.flist_xfertime, 3); | |
f0f7e760 | 234 | } |
a800434a | 235 | } |
e4676bb5 | 236 | } |
a800434a | 237 | |
e4676bb5 WD |
238 | static void output_summary(void) |
239 | { | |
a800434a | 240 | if (do_stats) { |
b64ee91a WD |
241 | rprintf(FCLIENT, "\n"); |
242 | rprintf(FINFO,"Number of files: %d\n", stats.num_files); | |
d9c7edf6 WD |
243 | rprintf(FINFO,"Number of files transferred: %d\n", |
244 | stats.num_transferred_files); | |
60613dc8 WD |
245 | rprintf(FINFO,"Total file size: %s bytes\n", |
246 | human_num(stats.total_size)); | |
247 | rprintf(FINFO,"Total transferred file size: %s bytes\n", | |
248 | human_num(stats.total_transferred_size)); | |
249 | rprintf(FINFO,"Literal data: %s bytes\n", | |
250 | human_num(stats.literal_data)); | |
251 | rprintf(FINFO,"Matched data: %s bytes\n", | |
252 | human_num(stats.matched_data)); | |
eb0144d7 WD |
253 | rprintf(FINFO,"File list size: %s\n", |
254 | human_num(stats.flist_size)); | |
f0f7e760 WD |
255 | if (stats.flist_buildtime) { |
256 | rprintf(FINFO, | |
257 | "File list generation time: %.3f seconds\n", | |
258 | (double)stats.flist_buildtime / 1000); | |
259 | rprintf(FINFO, | |
260 | "File list transfer time: %.3f seconds\n", | |
261 | (double)stats.flist_xfertime / 1000); | |
262 | } | |
60613dc8 WD |
263 | rprintf(FINFO,"Total bytes sent: %s\n", |
264 | human_num(total_written)); | |
265 | rprintf(FINFO,"Total bytes received: %s\n", | |
266 | human_num(total_read)); | |
7a6421fa | 267 | } |
d9c7edf6 | 268 | |
e19452a9 | 269 | if (verbose || do_stats) { |
b64ee91a | 270 | rprintf(FCLIENT, "\n"); |
b9f592fb | 271 | rprintf(FINFO, |
b64ee91a | 272 | "sent %s bytes received %s bytes %s bytes/sec\n", |
60613dc8 WD |
273 | human_num(total_written), human_num(total_read), |
274 | human_dnum((total_written + total_read)/(0.5 + (endtime - starttime)), 2)); | |
275 | rprintf(FINFO, "total size is %s speedup is %.2f\n", | |
276 | human_num(stats.total_size), | |
b9f592fb | 277 | (double)stats.total_size / (total_written+total_read)); |
e19452a9 | 278 | } |
fc8a6b97 AT |
279 | |
280 | fflush(stdout); | |
281 | fflush(stderr); | |
c627d613 AT |
282 | } |
283 | ||
284 | ||
e5a2b854 MP |
285 | /** |
286 | * If our C library can get malloc statistics, then show them to FINFO | |
287 | **/ | |
288 | static void show_malloc_stats(void) | |
289 | { | |
4f5b0756 | 290 | #ifdef HAVE_MALLINFO |
e5a2b854 MP |
291 | struct mallinfo mi; |
292 | ||
293 | mi = mallinfo(); | |
294 | ||
b64ee91a WD |
295 | rprintf(FCLIENT, "\n"); |
296 | rprintf(FINFO, RSYNC_NAME "[%d] (%s%s%s) heap statistics:\n", | |
f846a9bf WD |
297 | getpid(), am_server ? "server " : "", |
298 | am_daemon ? "daemon " : "", who_am_i()); | |
299 | rprintf(FINFO, " arena: %10ld (bytes from sbrk)\n", | |
300 | (long)mi.arena); | |
301 | rprintf(FINFO, " ordblks: %10ld (chunks not in use)\n", | |
302 | (long)mi.ordblks); | |
303 | rprintf(FINFO, " smblks: %10ld\n", | |
304 | (long)mi.smblks); | |
305 | rprintf(FINFO, " hblks: %10ld (chunks from mmap)\n", | |
306 | (long)mi.hblks); | |
307 | rprintf(FINFO, " hblkhd: %10ld (bytes from mmap)\n", | |
308 | (long)mi.hblkhd); | |
309 | rprintf(FINFO, " allmem: %10ld (bytes from sbrk + mmap)\n", | |
310 | (long)mi.arena + mi.hblkhd); | |
311 | rprintf(FINFO, " usmblks: %10ld\n", | |
312 | (long)mi.usmblks); | |
313 | rprintf(FINFO, " fsmblks: %10ld\n", | |
314 | (long)mi.fsmblks); | |
315 | rprintf(FINFO, " uordblks: %10ld (bytes used)\n", | |
316 | (long)mi.uordblks); | |
317 | rprintf(FINFO, " fordblks: %10ld (bytes free)\n", | |
318 | (long)mi.fordblks); | |
319 | rprintf(FINFO, " keepcost: %10ld (bytes in releasable chunk)\n", | |
320 | (long)mi.keepcost); | |
e5a2b854 MP |
321 | #endif /* HAVE_MALLINFO */ |
322 | } | |
323 | ||
324 | ||
0882faa2 | 325 | /* Start the remote shell. cmd may be NULL to use the default. */ |
f7e5068d WD |
326 | static pid_t do_cmd(char *cmd, char *machine, char *user, char **remote_argv, int remote_argc, |
327 | int *f_in_p, int *f_out_p) | |
c627d613 | 328 | { |
6c2e5b56 | 329 | int i, argc = 0; |
887e553f | 330 | char *args[MAX_ARGS]; |
19b27a48 | 331 | pid_t ret; |
82f0c63e | 332 | char *dir = NULL; |
bb4aa89c | 333 | int dash_l_set = 0; |
366345fe | 334 | |
088aac85 | 335 | if (!read_batch && !local_server) { |
82f0c63e | 336 | char *t, *f, in_quote = '\0'; |
9af87151 | 337 | char *rsh_env = getenv(RSYNC_RSH_ENV); |
366345fe | 338 | if (!cmd) |
9af87151 | 339 | cmd = rsh_env; |
366345fe AT |
340 | if (!cmd) |
341 | cmd = RSYNC_RSH; | |
342 | cmd = strdup(cmd); | |
d9c7edf6 | 343 | if (!cmd) |
366345fe AT |
344 | goto oom; |
345 | ||
82f0c63e WD |
346 | for (t = f = cmd; *f; f++) { |
347 | if (*f == ' ') | |
348 | continue; | |
e7a392c7 | 349 | /* Comparison leaves rooms for server_options(). */ |
f7e5068d WD |
350 | if (argc >= MAX_ARGS - MAX_SERVER_ARGS) |
351 | goto arg_overflow; | |
82f0c63e WD |
352 | args[argc++] = t; |
353 | while (*f != ' ' || in_quote) { | |
354 | if (!*f) { | |
355 | if (in_quote) { | |
356 | rprintf(FERROR, | |
357 | "Missing trailing-%c in remote-shell command.\n", | |
358 | in_quote); | |
359 | exit_cleanup(RERR_SYNTAX); | |
360 | } | |
361 | f--; | |
362 | break; | |
363 | } | |
364 | if (*f == '\'' || *f == '"') { | |
365 | if (!in_quote) { | |
366 | in_quote = *f++; | |
367 | continue; | |
368 | } | |
369 | if (*f == in_quote && *++f != in_quote) { | |
370 | in_quote = '\0'; | |
371 | continue; | |
372 | } | |
373 | } | |
374 | *t++ = *f++; | |
375 | } | |
376 | *t++ = '\0'; | |
887e553f | 377 | } |
c627d613 | 378 | |
d9c7edf6 | 379 | /* check to see if we've already been given '-l user' in |
9af87151 | 380 | * the remote-shell command */ |
bb4aa89c WD |
381 | for (i = 0; i < argc-1; i++) { |
382 | if (!strcmp(args[i], "-l") && args[i+1][0] != '-') | |
383 | dash_l_set = 1; | |
384 | } | |
385 | ||
4f5b0756 | 386 | #ifdef HAVE_REMSH |
366345fe AT |
387 | /* remsh (on HPUX) takes the arguments the other way around */ |
388 | args[argc++] = machine; | |
bb4aa89c | 389 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
390 | args[argc++] = "-l"; |
391 | args[argc++] = user; | |
392 | } | |
7b8356d0 | 393 | #else |
bb4aa89c | 394 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
395 | args[argc++] = "-l"; |
396 | args[argc++] = user; | |
397 | } | |
398 | args[argc++] = machine; | |
7b8356d0 | 399 | #endif |
c627d613 | 400 | |
366345fe | 401 | args[argc++] = rsync_path; |
c627d613 | 402 | |
9af87151 | 403 | if (blocking_io < 0) { |
90e22f4b WD |
404 | char *cp; |
405 | if ((cp = strrchr(cmd, '/')) != NULL) | |
406 | cp++; | |
407 | else | |
408 | cp = cmd; | |
409 | if (strcmp(cp, "rsh") == 0 || strcmp(cp, "remsh") == 0) | |
410 | blocking_io = 1; | |
66b71163 | 411 | } |
e384bfbd | 412 | |
93689aa5 | 413 | server_options(args,&argc); |
e7a392c7 | 414 | |
f7e5068d WD |
415 | if (argc >= MAX_ARGS - 2) |
416 | goto arg_overflow; | |
366345fe | 417 | } |
c627d613 | 418 | |
366345fe | 419 | args[argc++] = "."; |
76076c4b | 420 | |
f7e5068d WD |
421 | if (!daemon_over_rsh) { |
422 | while (remote_argc > 0) { | |
423 | if (argc >= MAX_ARGS - 1) { | |
424 | arg_overflow: | |
425 | rprintf(FERROR, "internal: args[] overflowed in do_cmd()\n"); | |
426 | exit_cleanup(RERR_SYNTAX); | |
427 | } | |
428 | args[argc++] = *remote_argv++; | |
429 | remote_argc--; | |
430 | } | |
431 | } | |
c627d613 | 432 | |
366345fe | 433 | args[argc] = NULL; |
c627d613 | 434 | |
366345fe | 435 | if (verbose > 3) { |
e7a392c7 | 436 | for (i = 0; i < argc; i++) |
b64ee91a WD |
437 | rprintf(FCLIENT, "cmd[%d]=%s ", i, args[i]); |
438 | rprintf(FCLIENT, "\n"); | |
366345fe AT |
439 | } |
440 | ||
c0d8e84c WD |
441 | if (read_batch) { |
442 | int from_gen_pipe[2]; | |
443 | if (fd_pair(from_gen_pipe) < 0) { | |
444 | rsyserr(FERROR, errno, "pipe"); | |
445 | exit_cleanup(RERR_IPC); | |
446 | } | |
447 | batch_gen_fd = from_gen_pipe[0]; | |
f7e5068d WD |
448 | *f_out_p = from_gen_pipe[1]; |
449 | *f_in_p = batch_fd; | |
c0d8e84c | 450 | ret = -1; /* no child pid */ |
44c4492a | 451 | #ifdef ICONV_CONST |
b61665d5 | 452 | setup_iconv(); |
44c4492a | 453 | #endif |
c0d8e84c | 454 | } else if (local_server) { |
b1df18d7 WD |
455 | /* If the user didn't request --[no-]whole-file, force |
456 | * it on, but only if we're not batch processing. */ | |
c0d8e84c | 457 | if (whole_file < 0 && !write_batch) |
b1df18d7 | 458 | whole_file = 1; |
f7e5068d | 459 | ret = local_child(argc, args, f_in_p, f_out_p, child_main); |
44c4492a | 460 | #ifdef ICONV_CONST |
b61665d5 | 461 | setup_iconv(); |
44c4492a | 462 | #endif |
f7e5068d | 463 | } else { |
44c4492a | 464 | #ifdef ICONV_CONST |
b61665d5 | 465 | setup_iconv(); |
44c4492a | 466 | #endif |
f7e5068d | 467 | if (protect_args) { |
71605b0f WD |
468 | int fd; |
469 | #ifdef ICONV_OPTION | |
470 | int convert = ic_send != (iconv_t)-1; | |
471 | xbuf outbuf, inbuf; | |
472 | ||
473 | if (convert) | |
474 | alloc_xbuf(&outbuf, 1024); | |
475 | #endif | |
476 | ||
f7e5068d | 477 | ret = piped_child(args, f_in_p, f_out_p); |
71605b0f WD |
478 | |
479 | for (i = 0; args[i]; i++) {} /* find first NULL */ | |
480 | args[i] = "rsync"; /* set a new arg0 */ | |
481 | if (verbose > 1) | |
482 | print_child_argv("protected args:", args + i + 1); | |
483 | fd = *f_out_p; | |
484 | do { | |
485 | #ifdef ICONV_OPTION | |
486 | if (convert) { | |
487 | INIT_XBUF_STRLEN(inbuf, args[i]); | |
488 | iconvbufs(ic_send, &inbuf, &outbuf, | |
489 | ICB_EXPAND_OUT | ICB_INCLUDE_BAD | ICB_INCLUDE_INCOMPLETE); | |
490 | outbuf.buf[outbuf.len] = '\0'; | |
491 | write_buf(fd, outbuf.buf, outbuf.len + 1); | |
492 | outbuf.len = 0; | |
493 | } else | |
494 | #endif | |
495 | write_buf(fd, args[i], strlen(args[i]) + 1); | |
496 | } while (args[++i]); | |
497 | write_byte(fd, 0); | |
498 | #ifdef ICONV_OPTION | |
499 | if (convert) | |
500 | free(outbuf.buf); | |
501 | #endif | |
f7e5068d WD |
502 | } else |
503 | ret = piped_child(args, f_in_p, f_out_p); | |
504 | } | |
c627d613 | 505 | |
3a69fad0 WD |
506 | if (dir) |
507 | free(dir); | |
82306bf6 | 508 | |
366345fe | 509 | return ret; |
c627d613 | 510 | |
acee11fc | 511 | oom: |
366345fe AT |
512 | out_of_memory("do_cmd"); |
513 | return 0; /* not reached */ | |
c627d613 AT |
514 | } |
515 | ||
eb598fac WD |
516 | /* The receiving side operates in one of two modes: |
517 | * | |
cc8c5057 WD |
518 | * 1. it receives any number of files into a destination directory, |
519 | * placing them according to their names in the file-list. | |
eb598fac WD |
520 | * |
521 | * 2. it receives a single file and saves it using the name in the | |
522 | * destination path instead of its file-list name. This requires a | |
523 | * "local name" for writing out the destination file. | |
524 | * | |
a7d461fc WD |
525 | * So, our task is to figure out what mode/local-name we need. |
526 | * For mode 1, we change into the destination directory and return NULL. | |
527 | * For mode 2, we change into the directory containing the destination | |
528 | * file (if we aren't already there) and return the local-name. */ | |
eb598fac | 529 | static char *get_local_name(struct file_list *flist, char *dest_path) |
c627d613 | 530 | { |
7a6421fa | 531 | STRUCT_STAT st; |
a7d461fc | 532 | int statret; |
eb598fac | 533 | char *cp; |
c627d613 | 534 | |
eb598fac WD |
535 | if (verbose > 2) { |
536 | rprintf(FINFO, "get_local_name count=%d %s\n", | |
f3d6d480 | 537 | file_total, NS(dest_path)); |
eb598fac | 538 | } |
1f0610ef | 539 | |
ee8e2b15 | 540 | if (!dest_path || list_only) |
1f0610ef | 541 | return NULL; |
c95da96a | 542 | |
a7d461fc | 543 | /* See what currently exists at the destination. */ |
1a7f3d99 | 544 | if ((statret = do_stat(dest_path, &st)) == 0) { |
a7d461fc | 545 | /* If the destination is a dir, enter it and use mode 1. */ |
1ff5450d | 546 | if (S_ISDIR(st.st_mode)) { |
615a5415 | 547 | if (!push_dir(dest_path, 0)) { |
982e05bb | 548 | rsyserr(FERROR, errno, "push_dir#1 %s failed", |
eb598fac | 549 | full_fname(dest_path)); |
65417579 | 550 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
551 | } |
552 | return NULL; | |
553 | } | |
f3d6d480 | 554 | if (file_total > 1) { |
eb598fac WD |
555 | rprintf(FERROR, |
556 | "ERROR: destination must be a directory when" | |
557 | " copying more than 1 file\n"); | |
65417579 | 558 | exit_cleanup(RERR_FILESELECT); |
1ff5450d | 559 | } |
f3d6d480 | 560 | if (file_total == 1 && S_ISDIR(flist->files[0]->mode)) { |
44c26bf2 WD |
561 | rprintf(FERROR, |
562 | "ERROR: cannot overwrite non-directory" | |
563 | " with a directory\n"); | |
564 | exit_cleanup(RERR_FILESELECT); | |
565 | } | |
cc8c5057 | 566 | } else if (errno != ENOENT) { |
a7d461fc WD |
567 | /* If we don't know what's at the destination, fail. */ |
568 | rsyserr(FERROR, errno, "ERROR: cannot stat destination %s", | |
cc8c5057 WD |
569 | full_fname(dest_path)); |
570 | exit_cleanup(RERR_FILESELECT); | |
1ff5450d AT |
571 | } |
572 | ||
eb598fac WD |
573 | cp = strrchr(dest_path, '/'); |
574 | ||
a7d461fc WD |
575 | /* If we need a destination directory because the transfer is not |
576 | * of a single non-directory or the user has requested one via a | |
577 | * destination path ending in a slash, create one and use mode 1. */ | |
f3d6d480 | 578 | if (file_total > 1 || (cp && !cp[1])) { |
eb598fac WD |
579 | /* Lop off the final slash (if any). */ |
580 | if (cp && !cp[1]) | |
581 | *cp = '\0'; | |
582 | ||
a7d461fc WD |
583 | if (statret == 0) { |
584 | rprintf(FERROR, | |
585 | "ERROR: destination path is not a directory\n"); | |
586 | exit_cleanup(RERR_SYNTAX); | |
587 | } | |
588 | ||
05278935 | 589 | if (mkdir_defmode(dest_path) != 0) { |
eb598fac WD |
590 | rsyserr(FERROR, errno, "mkdir %s failed", |
591 | full_fname(dest_path)); | |
592 | exit_cleanup(RERR_FILEIO); | |
593 | } | |
1ff5450d | 594 | |
7341ee2d WD |
595 | if (flist->high >= flist->low |
596 | && strcmp(flist->files[flist->low]->basename, ".") == 0) | |
288b12ee | 597 | flist->files[0]->flags |= FLAG_DIR_CREATED; |
2a94207a | 598 | |
eb598fac WD |
599 | if (verbose) |
600 | rprintf(FINFO, "created directory %s\n", dest_path); | |
601 | ||
602 | if (dry_run) { | |
615a5415 | 603 | /* Indicate that dest dir doesn't really exist. */ |
eb598fac | 604 | dry_run++; |
eb598fac WD |
605 | } |
606 | ||
615a5415 | 607 | if (!push_dir(dest_path, dry_run > 1)) { |
eb598fac WD |
608 | rsyserr(FERROR, errno, "push_dir#2 %s failed", |
609 | full_fname(dest_path)); | |
610 | exit_cleanup(RERR_FILESELECT); | |
611 | } | |
e5a96f0f | 612 | |
e5a96f0f | 613 | return NULL; |
1ff5450d AT |
614 | } |
615 | ||
eb598fac WD |
616 | /* Otherwise, we are writing a single file, possibly on top of an |
617 | * existing non-directory. Change to the item's parent directory | |
618 | * (if it has a path component), return the basename of the | |
619 | * destination file as the local name, and use mode 2. */ | |
620 | if (!cp) | |
621 | return dest_path; | |
622 | ||
623 | if (cp == dest_path) | |
624 | dest_path = "/"; | |
625 | ||
626 | *cp = '\0'; | |
615a5415 | 627 | if (!push_dir(dest_path, 0)) { |
eb598fac WD |
628 | rsyserr(FERROR, errno, "push_dir#3 %s failed", |
629 | full_fname(dest_path)); | |
65417579 | 630 | exit_cleanup(RERR_FILESELECT); |
1ff5450d | 631 | } |
eb598fac | 632 | *cp = '/'; |
1ff5450d | 633 | |
eb598fac | 634 | return cp + 1; |
c627d613 AT |
635 | } |
636 | ||
615a5415 WD |
637 | /* Call this if the destination dir (which is assumed to be in curr_dir) |
638 | * does not yet exist and we can't create it due to being in dry-run | |
639 | * mode. We'll fix dirs that can be relative to the non-existent dir. */ | |
640 | static void fix_basis_dirs(void) | |
641 | { | |
ddcba3f0 | 642 | char **dir, *new, *slash; |
615a5415 WD |
643 | int len; |
644 | ||
ddcba3f0 WD |
645 | if (dry_run <= 1) |
646 | return; | |
647 | ||
648 | slash = strrchr(curr_dir, '/'); | |
649 | ||
615a5415 WD |
650 | for (dir = basis_dir; *dir; dir++) { |
651 | if (**dir == '/') | |
652 | continue; | |
653 | len = curr_dir_len + 1 + strlen(*dir) + 1; | |
654 | if (!(new = new_array(char, len))) | |
655 | out_of_memory("fix_basis_dirs"); | |
ddcba3f0 WD |
656 | if (slash && strncmp(*dir, "../", 3) == 0) { |
657 | /* We want to remove only one leading "../" prefix for | |
658 | * the directory we couldn't create in dry-run mode: | |
659 | * this ensures that any other ".." references get | |
660 | * evaluated the same as they would for a live copy. */ | |
661 | *slash = '\0'; | |
662 | pathjoin(new, len, curr_dir, *dir + 3); | |
663 | *slash = '/'; | |
664 | } else | |
665 | pathjoin(new, len, curr_dir, *dir); | |
615a5415 WD |
666 | *dir = new; |
667 | } | |
668 | } | |
c627d613 | 669 | |
1a8e5c97 | 670 | /* This is only called by the sender. */ |
16edf865 | 671 | static void read_final_goodbye(int f_in) |
4e0fcd85 | 672 | { |
f3d6d480 WD |
673 | int i, iflags, xlen; |
674 | uchar fnamecmp_type; | |
675 | char xname[MAXPATHLEN]; | |
1a8e5c97 WD |
676 | |
677 | if (protocol_version < 29) | |
678 | i = read_int(f_in); | |
679 | else { | |
16edf865 WD |
680 | i = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type, |
681 | xname, &xlen); | |
4e0fcd85 WD |
682 | } |
683 | ||
82ad07c4 | 684 | if (i != NDX_DONE) { |
c7791b8c WD |
685 | rprintf(FERROR, "Invalid packet at end of run (%d) [%s]\n", |
686 | i, who_am_i()); | |
1a8e5c97 | 687 | exit_cleanup(RERR_PROTOCOL); |
4e0fcd85 WD |
688 | } |
689 | } | |
690 | ||
eb598fac | 691 | static void do_server_sender(int f_in, int f_out, int argc, char *argv[]) |
c627d613 | 692 | { |
7a6421fa AT |
693 | struct file_list *flist; |
694 | char *dir = argv[0]; | |
c627d613 | 695 | |
45e08edb WD |
696 | if (verbose > 2) { |
697 | rprintf(FINFO, "server_sender starting pid=%ld\n", | |
698 | (long)getpid()); | |
699 | } | |
d9c7edf6 | 700 | |
2adbcdc7 | 701 | if (am_daemon && lp_write_only(module_id)) { |
7a92ded3 WD |
702 | rprintf(FERROR, "ERROR: module is write only\n"); |
703 | exit_cleanup(RERR_SYNTAX); | |
704 | return; | |
705 | } | |
47c11975 | 706 | if (am_daemon && lp_read_only(module_id) && remove_source_files) { |
bf26aa22 | 707 | rprintf(FERROR, |
044ccbaa | 708 | "ERROR: --remove-%s-files cannot be used with a read-only module\n", |
47c11975 | 709 | remove_source_files == 1 ? "source" : "sent"); |
bf26aa22 WD |
710 | exit_cleanup(RERR_SYNTAX); |
711 | return; | |
712 | } | |
7a92ded3 | 713 | |
582c1589 | 714 | if (!relative_paths) { |
615a5415 | 715 | if (!push_dir(dir, 0)) { |
582c1589 WD |
716 | rsyserr(FERROR, errno, "push_dir#3 %s failed", |
717 | full_fname(dir)); | |
718 | exit_cleanup(RERR_FILESELECT); | |
719 | } | |
7a6421fa AT |
720 | } |
721 | argc--; | |
722 | argv++; | |
d9c7edf6 | 723 | |
48a1ff0d | 724 | if (argc == 0 && (recurse || list_only)) { |
e1f67417 | 725 | argc = 1; |
7a6421fa AT |
726 | argv--; |
727 | argv[0] = "."; | |
728 | } | |
d9c7edf6 | 729 | |
7a6421fa | 730 | flist = send_file_list(f_out,argc,argv); |
9decb4d2 | 731 | if (!flist || flist->used == 0) |
8d9dc9f9 | 732 | exit_cleanup(0); |
8d9dc9f9 | 733 | |
f3d6d480 | 734 | io_start_buffering_in(f_in); |
da3478b2 | 735 | |
f3d6d480 | 736 | send_files(f_in, f_out); |
f1e3656e | 737 | io_flush(FULL_FLUSH); |
33c4b445 | 738 | handle_stats(f_out); |
4e0fcd85 | 739 | if (protocol_version >= 24) |
16edf865 | 740 | read_final_goodbye(f_in); |
f1e3656e | 741 | io_flush(FULL_FLUSH); |
7a6421fa | 742 | exit_cleanup(0); |
c627d613 AT |
743 | } |
744 | ||
745 | ||
f3d6d480 | 746 | static int do_recv(int f_in, int f_out, char *local_name) |
dc5ddbcc | 747 | { |
d186eb1a | 748 | int pid; |
84e6d6fd | 749 | int exit_code = 0; |
c70e07d9 | 750 | int error_pipe[2]; |
dc5ddbcc | 751 | |
bb6721dc WD |
752 | /* The receiving side mustn't obey this, or an existing symlink that |
753 | * points to an identical file won't be replaced by the referent. */ | |
a695b379 | 754 | copy_links = copy_dirlinks = 0; |
bb6721dc | 755 | |
1e1ca253 | 756 | #ifdef SUPPORT_HARD_LINKS |
d4d6646a | 757 | if (preserve_hard_links && !inc_recurse) |
da131912 | 758 | match_hard_links(first_flist); |
1e1ca253 | 759 | #endif |
dc5ddbcc | 760 | |
c70e07d9 | 761 | if (fd_pair(error_pipe) < 0) { |
ab759cd2 | 762 | rsyserr(FERROR, errno, "pipe failed in do_recv"); |
c8f2f857 | 763 | exit_cleanup(RERR_IPC); |
554e0a8d | 764 | } |
d9c7edf6 | 765 | |
f1e3656e | 766 | io_flush(NORMAL_FLUSH); |
c6e7fcb4 | 767 | |
ba449e44 | 768 | if ((pid = do_fork()) == -1) { |
c8f2f857 | 769 | rsyserr(FERROR, errno, "fork failed in do_recv"); |
ba449e44 WD |
770 | exit_cleanup(RERR_IPC); |
771 | } | |
772 | ||
773 | if (pid == 0) { | |
554e0a8d | 774 | close(error_pipe[0]); |
3a69fad0 WD |
775 | if (f_in != f_out) |
776 | close(f_out); | |
e08c9610 | 777 | |
554e0a8d | 778 | /* we can't let two processes write to the socket at one time */ |
f3d6d480 | 779 | io_end_multiplex_out(); |
554e0a8d AT |
780 | |
781 | /* set place to send errors */ | |
f1e3656e | 782 | set_msg_fd_out(error_pipe[1]); |
f3d6d480 | 783 | io_start_buffering_out(error_pipe[1]); |
554e0a8d | 784 | |
f3d6d480 | 785 | recv_files(f_in, local_name); |
f1e3656e | 786 | io_flush(FULL_FLUSH); |
33c4b445 | 787 | handle_stats(f_in); |
e08c9610 | 788 | |
332cf6df | 789 | send_msg(MSG_DONE, "", 1, 0); |
a72ba0cf | 790 | write_varlong(error_pipe[1], stats.total_read, 3); |
f1e3656e | 791 | io_flush(FULL_FLUSH); |
4e0fcd85 | 792 | |
40df65fd WD |
793 | /* Handle any keep-alive packets from the post-processing work |
794 | * that the generator does. */ | |
4e0fcd85 | 795 | if (protocol_version >= 29) { |
f3d6d480 WD |
796 | int iflags, xlen; |
797 | uchar fnamecmp_type; | |
798 | char xname[MAXPATHLEN]; | |
799 | ||
051182cb | 800 | kluge_around_eof = -1; |
1a8e5c97 WD |
801 | |
802 | /* This should only get stopped via a USR2 signal. */ | |
16edf865 | 803 | read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type, |
f3d6d480 | 804 | xname, &xlen); |
1a8e5c97 | 805 | |
3485ae83 WD |
806 | rprintf(FERROR, "Invalid packet at end of run [%s]\n", |
807 | who_am_i()); | |
1a8e5c97 | 808 | exit_cleanup(RERR_PROTOCOL); |
4e0fcd85 WD |
809 | } |
810 | ||
9e0582f9 WD |
811 | /* Finally, we go to sleep until our parent kills us with a |
812 | * USR2 signal. We sleep for a short time, as on some OSes | |
813 | * a signal won't interrupt a sleep! */ | |
f1e3656e WD |
814 | while (1) |
815 | msleep(20); | |
d186eb1a | 816 | } |
dc5ddbcc | 817 | |
b695f242 | 818 | am_generator = 1; |
f3d6d480 WD |
819 | |
820 | io_end_multiplex_in(); | |
e8a96e27 | 821 | if (write_batch && !am_server) |
b9f592fb | 822 | stop_write_batch(); |
b695f242 | 823 | |
554e0a8d | 824 | close(error_pipe[1]); |
3a69fad0 WD |
825 | if (f_in != f_out) |
826 | close(f_in); | |
e1b3d5c4 | 827 | |
f3d6d480 | 828 | io_start_buffering_out(f_out); |
b3e10ed7 | 829 | |
f1e3656e | 830 | set_msg_fd_in(error_pipe[0]); |
f3d6d480 | 831 | io_start_buffering_in(error_pipe[0]); |
554e0a8d | 832 | |
da131912 WD |
833 | #ifdef SUPPORT_HARD_LINKS |
834 | if (preserve_hard_links && inc_recurse) { | |
835 | struct file_list *flist; | |
836 | for (flist = first_flist; flist; flist = flist->next) | |
837 | match_hard_links(flist); | |
838 | } | |
839 | #endif | |
840 | ||
f3d6d480 | 841 | generate_files(f_out, local_name); |
8d9dc9f9 | 842 | |
33c4b445 | 843 | handle_stats(-1); |
f1e3656e | 844 | io_flush(FULL_FLUSH); |
d04e9c51 | 845 | if (protocol_version >= 24) { |
8ada7518 | 846 | /* send a final goodbye message */ |
9ae7a2cd | 847 | write_ndx(f_out, NDX_DONE); |
8ada7518 | 848 | } |
f1e3656e | 849 | io_flush(FULL_FLUSH); |
8ada7518 | 850 | |
f1e3656e | 851 | set_msg_fd_in(-1); |
089a2435 | 852 | kill(pid, SIGUSR2); |
84e6d6fd WD |
853 | wait_process_with_flush(pid, &exit_code); |
854 | return exit_code; | |
dc5ddbcc AT |
855 | } |
856 | ||
f3d6d480 | 857 | static void do_server_recv(int f_in, int f_out, int argc, char *argv[]) |
c627d613 | 858 | { |
84e6d6fd | 859 | int exit_code; |
7a6421fa | 860 | struct file_list *flist; |
6c2e5b56 | 861 | char *local_name = NULL; |
7a6421fa | 862 | char *dir = NULL; |
07bff66f WD |
863 | int save_verbose = verbose; |
864 | ||
865 | if (filesfrom_fd >= 0) { | |
866 | /* We can't mix messages with files-from data on the socket, | |
867 | * so temporarily turn off verbose messages. */ | |
868 | verbose = 0; | |
869 | } | |
f0fca04e | 870 | |
45e08edb WD |
871 | if (verbose > 2) { |
872 | rprintf(FINFO, "server_recv(%d) starting pid=%ld\n", | |
873 | argc, (long)getpid()); | |
874 | } | |
09b7f5db | 875 | |
2adbcdc7 | 876 | if (am_daemon && lp_read_only(module_id)) { |
09b7f5db AT |
877 | rprintf(FERROR,"ERROR: module is read only\n"); |
878 | exit_cleanup(RERR_SYNTAX); | |
879 | return; | |
880 | } | |
881 | ||
7a6421fa AT |
882 | if (argc > 0) { |
883 | dir = argv[0]; | |
884 | argc--; | |
885 | argv++; | |
615a5415 | 886 | if (!am_daemon && !push_dir(dir, 0)) { |
982e05bb WD |
887 | rsyserr(FERROR, errno, "push_dir#4 %s failed", |
888 | full_fname(dir)); | |
65417579 | 889 | exit_cleanup(RERR_FILESELECT); |
d9c7edf6 | 890 | } |
7a6421fa | 891 | } |
c627d613 | 892 | |
f3d6d480 WD |
893 | if (protocol_version >= 30) |
894 | io_start_multiplex_in(); | |
895 | else | |
896 | io_start_buffering_in(f_in); | |
57dee64e | 897 | recv_filter_list(f_in); |
c627d613 | 898 | |
7c2a9e76 | 899 | if (filesfrom_fd >= 0) { |
07bff66f WD |
900 | /* We need to send the files-from names to the sender at the |
901 | * same time that we receive the file-list from them, so we | |
902 | * need the IO routines to automatically write out the names | |
903 | * onto our f_out socket as we read the file-list. This | |
904 | * avoids both deadlock and extra delays/buffers. */ | |
7c2a9e76 WD |
905 | io_set_filesfrom_fds(filesfrom_fd, f_out); |
906 | filesfrom_fd = -1; | |
907 | } | |
908 | ||
b9f592fb | 909 | flist = recv_file_list(f_in); |
4c36a13e AT |
910 | if (!flist) { |
911 | rprintf(FERROR,"server_recv: recv_file_list error\n"); | |
65417579 | 912 | exit_cleanup(RERR_FILESELECT); |
7a6421fa | 913 | } |
3ea6e0e7 | 914 | if (inc_recurse && file_total == 1) |
f3d6d480 WD |
915 | recv_additional_file_list(f_in); |
916 | verbose = save_verbose; | |
d9c7edf6 | 917 | |
29fad7a3 | 918 | if (argc > 0) |
7a6421fa | 919 | local_name = get_local_name(flist,argv[0]); |
c627d613 | 920 | |
7c58c991 WD |
921 | /* Now that we know what our destination directory turned out to be, |
922 | * we can sanitize the --link-/copy-/compare-dest args correctly. */ | |
923 | if (sanitize_paths) { | |
7c58c991 | 924 | char **dir; |
c2c8db91 | 925 | for (dir = basis_dir; *dir; dir++) { |
c2a2147a | 926 | *dir = sanitize_path(NULL, *dir, NULL, curr_dir_depth, NULL); |
c2c8db91 WD |
927 | } |
928 | if (partial_dir) { | |
929 | partial_dir = sanitize_path(NULL, partial_dir, NULL, curr_dir_depth, NULL); | |
c2c8db91 WD |
930 | } |
931 | } | |
ddcba3f0 | 932 | fix_basis_dirs(); |
615a5415 | 933 | |
c2c8db91 WD |
934 | if (server_filter_list.head) { |
935 | char **dir; | |
936 | struct filter_list_struct *elp = &server_filter_list; | |
937 | ||
938 | for (dir = basis_dir; *dir; dir++) { | |
939 | if (check_filter(elp, *dir, 1) < 0) | |
940 | goto options_rejected; | |
941 | } | |
942 | if (partial_dir && *partial_dir == '/' | |
943 | && check_filter(elp, partial_dir, 1) < 0) { | |
944 | options_rejected: | |
945 | rprintf(FERROR, | |
946 | "Your options have been rejected by the server.\n"); | |
947 | exit_cleanup(RERR_SYNTAX); | |
948 | } | |
7c58c991 WD |
949 | } |
950 | ||
f3d6d480 | 951 | exit_code = do_recv(f_in, f_out, local_name); |
84e6d6fd | 952 | exit_cleanup(exit_code); |
c627d613 AT |
953 | } |
954 | ||
955 | ||
734a94a2 | 956 | int child_main(int argc, char *argv[]) |
25d34a5c MP |
957 | { |
958 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); | |
734a94a2 | 959 | return 0; |
25d34a5c MP |
960 | } |
961 | ||
962 | ||
9486289c | 963 | void start_server(int f_in, int f_out, int argc, char *argv[]) |
366345fe | 964 | { |
f0359dd0 AT |
965 | set_nonblocking(f_in); |
966 | set_nonblocking(f_out); | |
967 | ||
da3478b2 WD |
968 | io_set_sock_fds(f_in, f_out); |
969 | setup_protocol(f_out, f_in); | |
970 | ||
d04e9c51 | 971 | if (protocol_version >= 23) |
da3478b2 | 972 | io_start_multiplex_out(); |
7a6421fa | 973 | |
7a6421fa | 974 | if (am_sender) { |
83926d3c | 975 | keep_dirlinks = 0; /* Must be disabled on the sender. */ |
bf26aa22 WD |
976 | if (need_messages_from_generator) |
977 | io_start_multiplex_in(); | |
7842418b | 978 | recv_filter_list(f_in); |
7a6421fa | 979 | do_server_sender(f_in, f_out, argc, argv); |
07613def | 980 | } else |
7a6421fa | 981 | do_server_recv(f_in, f_out, argc, argv); |
7a6421fa | 982 | exit_cleanup(0); |
366345fe AT |
983 | } |
984 | ||
0ba48136 MP |
985 | |
986 | /* | |
987 | * This is called once the connection has been negotiated. It is used | |
988 | * for rsyncd, remote-shell, and local connections. | |
989 | */ | |
19b27a48 | 990 | int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[]) |
9486289c | 991 | { |
088aac85 | 992 | struct file_list *flist = NULL; |
84e6d6fd | 993 | int exit_code = 0, exit_code2 = 0; |
9486289c | 994 | char *local_name = NULL; |
19b27a48 AT |
995 | |
996 | cleanup_child_pid = pid; | |
67a28eb2 | 997 | if (!read_batch) { |
b9f592fb WD |
998 | set_nonblocking(f_in); |
999 | set_nonblocking(f_out); | |
1000 | } | |
f0359dd0 | 1001 | |
da3478b2 | 1002 | io_set_sock_fds(f_in, f_out); |
6d7b6081 AT |
1003 | setup_protocol(f_out,f_in); |
1004 | ||
18882701 WD |
1005 | /* We set our stderr file handle to blocking because ssh might have |
1006 | * set it to non-blocking. This can be particularly troublesome if | |
1007 | * stderr is a clone of stdout, because ssh would have set our stdout | |
1008 | * to non-blocking at the same time (which can easily cause us to lose | |
1009 | * output from our print statements). This kluge shouldn't cause ssh | |
1010 | * any problems for how we use it. Note also that we delayed setting | |
1011 | * this until after the above protocol setup so that we know for sure | |
1012 | * that ssh is done twiddling its file descriptors. */ | |
1013 | set_blocking(STDERR_FILENO); | |
1014 | ||
9486289c | 1015 | if (am_sender) { |
83926d3c | 1016 | keep_dirlinks = 0; /* Must be disabled on the sender. */ |
f3d6d480 WD |
1017 | if (protocol_version >= 30) |
1018 | io_start_multiplex_out(); | |
1019 | else | |
1020 | io_start_buffering_out(f_out); | |
860236bf | 1021 | if (!filesfrom_host) |
a0a33ee5 | 1022 | set_msg_fd_in(f_in); |
57dee64e | 1023 | send_filter_list(f_out); |
860236bf | 1024 | if (filesfrom_host) |
7c2a9e76 | 1025 | filesfrom_fd = f_in; |
b9f592fb | 1026 | |
e8a96e27 | 1027 | if (write_batch && !am_server) |
b9f592fb | 1028 | start_write_batch(f_out); |
a00628b3 | 1029 | flist = send_file_list(f_out, argc, argv); |
a0a33ee5 | 1030 | set_msg_fd_in(-1); |
d9c7edf6 | 1031 | if (verbose > 3) |
9486289c | 1032 | rprintf(FINFO,"file list sent\n"); |
f3d6d480 WD |
1033 | |
1034 | if (protocol_version >= 23) | |
1035 | io_start_multiplex_in(); | |
e1b3d5c4 | 1036 | |
f1e3656e | 1037 | io_flush(NORMAL_FLUSH); |
f3d6d480 | 1038 | send_files(f_in, f_out); |
f1e3656e | 1039 | io_flush(FULL_FLUSH); |
33c4b445 | 1040 | handle_stats(-1); |
4e0fcd85 | 1041 | if (protocol_version >= 24) |
16edf865 | 1042 | read_final_goodbye(f_in); |
9486289c AT |
1043 | if (pid != -1) { |
1044 | if (verbose > 3) | |
08a740ff | 1045 | rprintf(FINFO,"client_run waiting on %d\n", (int) pid); |
f1e3656e | 1046 | io_flush(FULL_FLUSH); |
84e6d6fd | 1047 | wait_process_with_flush(pid, &exit_code); |
9486289c | 1048 | } |
33c4b445 | 1049 | output_summary(); |
c87ae64a | 1050 | io_flush(FULL_FLUSH); |
84e6d6fd | 1051 | exit_cleanup(exit_code); |
9486289c | 1052 | } |
f7632fc6 | 1053 | |
f3d6d480 WD |
1054 | if (!read_batch) { |
1055 | if (protocol_version >= 23) | |
1056 | io_start_multiplex_in(); | |
1057 | if (need_messages_from_generator) | |
1058 | io_start_multiplex_out(); | |
1059 | } | |
bf26aa22 | 1060 | |
26bbb6aa | 1061 | if (argc == 0) { |
48a1ff0d | 1062 | list_only |= 1; |
26bbb6aa WD |
1063 | xfer_dirs |= 1; |
1064 | } | |
d9c7edf6 | 1065 | |
57dee64e | 1066 | send_filter_list(read_batch ? -1 : f_out); |
d9c7edf6 | 1067 | |
7c2a9e76 WD |
1068 | if (filesfrom_fd >= 0) { |
1069 | io_set_filesfrom_fds(filesfrom_fd, f_out); | |
1070 | filesfrom_fd = -1; | |
1071 | } | |
1072 | ||
e8a96e27 | 1073 | if (write_batch && !am_server) |
b9f592fb | 1074 | start_write_batch(f_in); |
9486289c | 1075 | flist = recv_file_list(f_in); |
3ea6e0e7 | 1076 | if (inc_recurse && file_total == 1) |
f3d6d480 | 1077 | recv_additional_file_list(f_in); |
d9c7edf6 | 1078 | |
9decb4d2 | 1079 | if (flist && flist->used > 0) { |
9d19f8a5 | 1080 | local_name = get_local_name(flist, argv[0]); |
d9c7edf6 | 1081 | |
ddcba3f0 | 1082 | fix_basis_dirs(); |
615a5415 | 1083 | |
f3d6d480 | 1084 | exit_code2 = do_recv(f_in, f_out, local_name); |
9d19f8a5 WD |
1085 | } else { |
1086 | handle_stats(-1); | |
1087 | output_summary(); | |
1088 | } | |
d9c7edf6 | 1089 | |
9486289c | 1090 | if (pid != -1) { |
8d9dc9f9 | 1091 | if (verbose > 3) |
08a740ff | 1092 | rprintf(FINFO,"client_run2 waiting on %d\n", (int) pid); |
f1e3656e | 1093 | io_flush(FULL_FLUSH); |
84e6d6fd | 1094 | wait_process_with_flush(pid, &exit_code); |
9486289c | 1095 | } |
d9c7edf6 | 1096 | |
84e6d6fd | 1097 | return MAX(exit_code, exit_code2); |
9486289c AT |
1098 | } |
1099 | ||
07613def | 1100 | static int copy_argv(char *argv[]) |
7169bb4a MP |
1101 | { |
1102 | int i; | |
1103 | ||
1104 | for (i = 0; argv[i]; i++) { | |
1105 | if (!(argv[i] = strdup(argv[i]))) { | |
1106 | rprintf (FERROR, "out of memory at %s(%d)\n", | |
1107 | __FILE__, __LINE__); | |
1108 | return RERR_MALLOC; | |
1109 | } | |
1110 | } | |
1111 | ||
1112 | return 0; | |
1113 | } | |
1114 | ||
1115 | ||
c1a04ecb | 1116 | /** |
0ba48136 MP |
1117 | * Start a client for either type of remote connection. Work out |
1118 | * whether the arguments request a remote shell or rsyncd connection, | |
1119 | * and call the appropriate connection function, then run_client. | |
0b4af330 MP |
1120 | * |
1121 | * Calls either start_socket_client (for sockets) or do_cmd and | |
1122 | * client_run (for ssh). | |
c1a04ecb | 1123 | **/ |
fc8a6b97 | 1124 | static int start_client(int argc, char *argv[]) |
5d6bcd44 | 1125 | { |
f7e5068d WD |
1126 | char *p, *shell_machine = NULL, *shell_user = NULL; |
1127 | char **remote_argv; | |
1128 | int remote_argc; | |
1129 | int f_in, f_out; | |
19b27a48 AT |
1130 | int ret; |
1131 | pid_t pid; | |
7169bb4a MP |
1132 | |
1133 | /* Don't clobber argv[] so that ps(1) can still show the right | |
d9c7edf6 | 1134 | * command line. */ |
f7e5068d WD |
1135 | if ((ret = copy_argv(argv)) != 0) |
1136 | return ret; | |
5d6bcd44 | 1137 | |
d16c245f | 1138 | if (!read_batch) { /* for read_batch, NO source is specified */ |
f7e5068d WD |
1139 | char *path = check_for_hostspec(argv[0], &shell_machine, &rsync_port); |
1140 | if (path) { /* source is remote */ | |
a960239f WD |
1141 | char *dummy_host; |
1142 | int dummy_port = 0; | |
f7e5068d WD |
1143 | *argv = path; |
1144 | remote_argv = argv; | |
1145 | remote_argc = argc; | |
1146 | argv += argc - 1; | |
1147 | if (argc == 1 || **argv == ':') | |
1148 | argc = 0; /* no dest arg */ | |
a960239f | 1149 | else if (check_for_hostspec(*argv, &dummy_host, &dummy_port)) { |
9425918d WD |
1150 | rprintf(FERROR, |
1151 | "The source and destination cannot both be remote.\n"); | |
1152 | exit_cleanup(RERR_SYNTAX); | |
f7e5068d WD |
1153 | } else { |
1154 | remote_argc--; /* don't count dest */ | |
1155 | argc = 1; | |
9425918d | 1156 | } |
860236bf WD |
1157 | if (filesfrom_host && *filesfrom_host |
1158 | && strcmp(filesfrom_host, shell_machine) != 0) { | |
7c2a9e76 | 1159 | rprintf(FERROR, |
50b31539 | 1160 | "--files-from hostname is not the same as the transfer hostname\n"); |
7c2a9e76 WD |
1161 | exit_cleanup(RERR_SYNTAX); |
1162 | } | |
42ccb4c0 | 1163 | am_sender = 0; |
e208631a WD |
1164 | if (rsync_port) |
1165 | daemon_over_rsh = shell_cmd ? 1 : -1; | |
42ccb4c0 WD |
1166 | } else { /* source is local, check dest arg */ |
1167 | am_sender = 1; | |
1168 | ||
f7e5068d | 1169 | if (argc > 1) { |
ee8e2b15 | 1170 | p = argv[--argc]; |
f7e5068d WD |
1171 | remote_argv = argv + argc; |
1172 | } else { | |
1173 | static char *dotarg[1] = { "." }; | |
1174 | p = dotarg[0]; | |
1175 | remote_argv = dotarg; | |
26bbb6aa WD |
1176 | list_only |= 1; |
1177 | xfer_dirs |= 1; | |
d9c7edf6 | 1178 | } |
f7e5068d | 1179 | remote_argc = 1; |
a125c82a | 1180 | |
f7e5068d WD |
1181 | path = check_for_hostspec(p, &shell_machine, &rsync_port); |
1182 | if (path && filesfrom_host && *filesfrom_host | |
860236bf | 1183 | && strcmp(filesfrom_host, shell_machine) != 0) { |
7c2a9e76 | 1184 | rprintf(FERROR, |
50b31539 | 1185 | "--files-from hostname is not the same as the transfer hostname\n"); |
7c2a9e76 WD |
1186 | exit_cleanup(RERR_SYNTAX); |
1187 | } | |
f7e5068d | 1188 | if (!path) { /* no hostspec found, so src & dest are local */ |
d9c7edf6 | 1189 | local_server = 1; |
860236bf | 1190 | if (filesfrom_host) { |
7c2a9e76 | 1191 | rprintf(FERROR, |
50b31539 | 1192 | "--files-from cannot be remote when the transfer is local\n"); |
7c2a9e76 WD |
1193 | exit_cleanup(RERR_SYNTAX); |
1194 | } | |
860236bf | 1195 | shell_machine = NULL; |
f7e5068d WD |
1196 | } else { /* hostspec was found, so dest is remote */ |
1197 | argv[argc] = path; | |
1198 | if (rsync_port) | |
1199 | daemon_over_rsh = shell_cmd ? 1 : -1; | |
1200 | } | |
5d6bcd44 | 1201 | } |
d16c245f | 1202 | } else { /* read_batch */ |
d9c7edf6 | 1203 | local_server = 1; |
f7e5068d | 1204 | if (check_for_hostspec(argv[argc-1], &shell_machine, &rsync_port)) { |
b9f592fb WD |
1205 | rprintf(FERROR, "remote destination is not allowed with --read-batch\n"); |
1206 | exit_cleanup(RERR_SYNTAX); | |
1207 | } | |
f7e5068d WD |
1208 | remote_argv = argv + argc - 1; |
1209 | remote_argc = 1; | |
6902ed17 MP |
1210 | } |
1211 | ||
f7e5068d | 1212 | if (am_sender) { |
a960239f WD |
1213 | char *dummy_host; |
1214 | int dummy_port = rsync_port; | |
f7e5068d WD |
1215 | int i; |
1216 | /* For local source, extra source args must not have hostspec. */ | |
1217 | for (i = 1; i < argc; i++) { | |
a960239f | 1218 | if (check_for_hostspec(argv[i], &dummy_host, &dummy_port)) { |
f7e5068d WD |
1219 | rprintf(FERROR, "Unexpected remote arg: %s\n", argv[i]); |
1220 | exit_cleanup(RERR_SYNTAX); | |
1221 | } | |
1222 | } | |
1223 | } else { | |
a960239f WD |
1224 | char *dummy_host; |
1225 | int dummy_port = rsync_port; | |
f7e5068d | 1226 | int i; |
a960239f WD |
1227 | /* For remote source, any extra source args must have either |
1228 | * the same hostname or an empty hostname. */ | |
f7e5068d | 1229 | for (i = 1; i < remote_argc; i++) { |
a960239f WD |
1230 | char *arg = check_for_hostspec(remote_argv[i], &dummy_host, &dummy_port); |
1231 | if (!arg) { | |
f7e5068d WD |
1232 | rprintf(FERROR, "Unexpected local arg: %s\n", remote_argv[i]); |
1233 | rprintf(FERROR, "If arg is a remote file/dir, prefix it with a colon (:).\n"); | |
1234 | exit_cleanup(RERR_SYNTAX); | |
1235 | } | |
a960239f WD |
1236 | if (*dummy_host && strcmp(dummy_host, shell_machine) != 0) { |
1237 | rprintf(FERROR, "All source args must come from the same machine.\n"); | |
1238 | exit_cleanup(RERR_SYNTAX); | |
1239 | } | |
1240 | if (rsync_port != dummy_port) { | |
1241 | if (!rsync_port || !dummy_port) | |
1242 | rprintf(FERROR, "All source args must use the same hostspec format.\n"); | |
1243 | else | |
1244 | rprintf(FERROR, "All source args must use the same port number.\n"); | |
1245 | exit_cleanup(RERR_SYNTAX); | |
1246 | } | |
1247 | remote_argv[i] = arg; | |
f7e5068d | 1248 | } |
26bbb6aa | 1249 | if (argc == 0) { |
f7e5068d | 1250 | list_only |= 1; |
26bbb6aa WD |
1251 | xfer_dirs |= 1; |
1252 | } | |
e208631a WD |
1253 | } |
1254 | ||
1255 | if (daemon_over_rsh < 0) | |
f7e5068d | 1256 | return start_socket_client(shell_machine, remote_argc, remote_argv, argc, argv); |
e208631a | 1257 | |
a39da29a | 1258 | if (password_file && !daemon_over_rsh) { |
327c559a WD |
1259 | rprintf(FERROR, "The --password-file option may only be " |
1260 | "used when accessing an rsync daemon.\n"); | |
a39da29a WD |
1261 | exit_cleanup(RERR_SYNTAX); |
1262 | } | |
1263 | ||
5d6bcd44 | 1264 | if (shell_machine) { |
6fc048f4 | 1265 | p = strrchr(shell_machine,'@'); |
5d6bcd44 AT |
1266 | if (p) { |
1267 | *p = 0; | |
1268 | shell_user = shell_machine; | |
1269 | shell_machine = p+1; | |
1270 | } | |
1271 | } | |
1272 | ||
1273 | if (verbose > 3) { | |
9486289c | 1274 | rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n", |
f7e5068d WD |
1275 | NS(shell_cmd), NS(shell_machine), NS(shell_user), |
1276 | remote_argv ? NS(remote_argv[0]) : ""); | |
5d6bcd44 | 1277 | } |
d9c7edf6 | 1278 | |
f7e5068d WD |
1279 | pid = do_cmd(shell_cmd, shell_machine, shell_user, remote_argv, remote_argc, |
1280 | &f_in, &f_out); | |
75aeac44 WD |
1281 | |
1282 | /* if we're running an rsync server on the remote host over a | |
9af87151 | 1283 | * remote shell command, we need to do the RSYNCD protocol first */ |
75aeac44 WD |
1284 | if (daemon_over_rsh) { |
1285 | int tmpret; | |
f7e5068d | 1286 | tmpret = start_inband_exchange(f_in, f_out, shell_user, remote_argc, remote_argv); |
75aeac44 WD |
1287 | if (tmpret < 0) |
1288 | return tmpret; | |
1289 | } | |
1290 | ||
fc8a6b97 AT |
1291 | ret = client_run(f_in, f_out, pid, argc, argv); |
1292 | ||
1293 | fflush(stdout); | |
1294 | fflush(stderr); | |
1295 | ||
1296 | return ret; | |
5d6bcd44 AT |
1297 | } |
1298 | ||
366345fe | 1299 | |
067669da WD |
1300 | static RETSIGTYPE sigusr1_handler(UNUSED(int val)) |
1301 | { | |
6bf32edb | 1302 | exit_cleanup(RERR_SIGNAL1); |
82306bf6 AT |
1303 | } |
1304 | ||
067669da WD |
1305 | static RETSIGTYPE sigusr2_handler(UNUSED(int val)) |
1306 | { | |
33c4b445 WD |
1307 | if (!am_server) |
1308 | output_summary(); | |
40df65fd | 1309 | close_all(); |
33c4b445 WD |
1310 | if (log_got_error) |
1311 | _exit(RERR_PARTIAL); | |
8b35435f AT |
1312 | _exit(0); |
1313 | } | |
1314 | ||
6d59ac19 | 1315 | RETSIGTYPE remember_children(UNUSED(int val)) |
067669da | 1316 | { |
029c1713 | 1317 | #ifdef WNOHANG |
ee7118a8 DD |
1318 | int cnt, status; |
1319 | pid_t pid; | |
1320 | /* An empty waitpid() loop was put here by Tridge and we could never | |
d9c7edf6 | 1321 | * get him to explain why he put it in, so rather than taking it |
ee7118a8 DD |
1322 | * out we're instead saving the child exit statuses for later use. |
1323 | * The waitpid() loop presumably eliminates all possibility of leaving | |
97d8e709 | 1324 | * zombie children, maybe that's why he did it. */ |
ee7118a8 | 1325 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0) { |
9af87151 WD |
1326 | /* save the child's exit status */ |
1327 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { | |
1328 | if (pid_stat_table[cnt].pid == 0) { | |
1329 | pid_stat_table[cnt].pid = pid; | |
1330 | pid_stat_table[cnt].status = status; | |
1331 | break; | |
1332 | } | |
1333 | } | |
ee7118a8 | 1334 | } |
029c1713 | 1335 | #endif |
8261af74 | 1336 | #ifndef HAVE_SIGACTION |
6d59ac19 | 1337 | signal(SIGCHLD, remember_children); |
60ee01f5 | 1338 | #endif |
19b27a48 AT |
1339 | } |
1340 | ||
c0531332 MP |
1341 | |
1342 | /** | |
1343 | * This routine catches signals and tries to send them to gdb. | |
1344 | * | |
1345 | * Because it's called from inside a signal handler it ought not to | |
1346 | * use too many library routines. | |
1347 | * | |
1348 | * @todo Perhaps use "screen -X" instead/as well, to help people | |
1349 | * debugging without easy access to X. Perhaps use an environment | |
1350 | * variable, or just call a script? | |
1351 | * | |
1352 | * @todo The /proc/ magic probably only works on Linux (and | |
1353 | * Solaris?) Can we be more portable? | |
1354 | **/ | |
1355 | #ifdef MAINTAINER_MODE | |
4fdc39dd MP |
1356 | const char *get_panic_action(void) |
1357 | { | |
1358 | const char *cmd_fmt = getenv("RSYNC_PANIC_ACTION"); | |
1359 | ||
1360 | if (cmd_fmt) | |
1361 | return cmd_fmt; | |
1362 | else | |
1363 | return "xterm -display :0 -T Panic -n Panic " | |
1364 | "-e gdb /proc/%d/exe %d"; | |
1365 | } | |
1366 | ||
1367 | ||
9fb3f7a9 MP |
1368 | /** |
1369 | * Handle a fatal signal by launching a debugger, controlled by $RSYNC_PANIC_ACTION. | |
1370 | * | |
1371 | * This signal handler is only installed if we were configured with | |
1372 | * --enable-maintainer-mode. Perhaps it should always be on and we | |
1373 | * should just look at the environment variable, but I'm a bit leery | |
1374 | * of a signal sending us into a busy loop. | |
1375 | **/ | |
067669da | 1376 | static RETSIGTYPE rsync_panic_handler(UNUSED(int whatsig)) |
c0531332 MP |
1377 | { |
1378 | char cmd_buf[300]; | |
1379 | int ret; | |
4fdc39dd | 1380 | |
83078af5 WD |
1381 | snprintf(cmd_buf, sizeof cmd_buf, get_panic_action(), |
1382 | getpid(), getpid()); | |
c0531332 MP |
1383 | |
1384 | /* Unless we failed to execute gdb, we allow the process to | |
1385 | * continue. I'm not sure if that's right. */ | |
1386 | ret = system(cmd_buf); | |
1387 | if (ret) | |
1388 | _exit(ret); | |
1389 | } | |
1390 | #endif | |
1391 | ||
1392 | ||
5d6bcd44 | 1393 | int main(int argc,char *argv[]) |
d9c7edf6 | 1394 | { |
ff81e809 | 1395 | int ret; |
66a9dc96 WD |
1396 | int orig_argc = argc; |
1397 | char **orig_argv = argv; | |
8261af74 WD |
1398 | #ifdef HAVE_SIGACTION |
1399 | # ifdef HAVE_SIGPROCMASK | |
60ee01f5 | 1400 | sigset_t sigmask; |
5d6bcd44 | 1401 | |
60ee01f5 | 1402 | sigemptyset(&sigmask); |
8261af74 | 1403 | # endif |
60ee01f5 WD |
1404 | sigact.sa_flags = SA_NOCLDSTOP; |
1405 | #endif | |
1406 | SIGACTMASK(SIGUSR1, sigusr1_handler); | |
1407 | SIGACTMASK(SIGUSR2, sigusr2_handler); | |
6d59ac19 | 1408 | SIGACTMASK(SIGCHLD, remember_children); |
c0531332 | 1409 | #ifdef MAINTAINER_MODE |
60ee01f5 WD |
1410 | SIGACTMASK(SIGSEGV, rsync_panic_handler); |
1411 | SIGACTMASK(SIGFPE, rsync_panic_handler); | |
1412 | SIGACTMASK(SIGABRT, rsync_panic_handler); | |
1413 | SIGACTMASK(SIGBUS, rsync_panic_handler); | |
1414 | #endif | |
5d6bcd44 | 1415 | |
7a6421fa | 1416 | starttime = time(NULL); |
6fe05820 | 1417 | am_root = (MY_UID() == 0); |
c627d613 | 1418 | |
a800434a AT |
1419 | memset(&stats, 0, sizeof(stats)); |
1420 | ||
df5e03da AT |
1421 | if (argc < 2) { |
1422 | usage(FERROR); | |
65417579 | 1423 | exit_cleanup(RERR_SYNTAX); |
df5e03da AT |
1424 | } |
1425 | ||
7a6421fa | 1426 | /* we set a 0 umask so that correct file permissions can be |
9af87151 | 1427 | * carried across */ |
05278935 | 1428 | orig_umask = umask(0); |
5d6bcd44 | 1429 | |
eb598fac WD |
1430 | #if defined CONFIG_LOCALE && defined HAVE_SETLOCALE |
1431 | setlocale(LC_CTYPE, ""); | |
1432 | #endif | |
1433 | ||
50135767 | 1434 | if (!parse_arguments(&argc, (const char ***) &argv, 1)) { |
d9c7edf6 WD |
1435 | /* FIXME: We ought to call the same error-handling |
1436 | * code here, rather than relying on getopt. */ | |
50135767 | 1437 | option_error(); |
65417579 | 1438 | exit_cleanup(RERR_SYNTAX); |
b11ed3b1 | 1439 | } |
5d6bcd44 | 1440 | |
60ee01f5 WD |
1441 | SIGACTMASK(SIGINT, sig_int); |
1442 | SIGACTMASK(SIGHUP, sig_int); | |
1443 | SIGACTMASK(SIGTERM, sig_int); | |
1444 | #if defined HAVE_SIGACTION && HAVE_SIGPROCMASK | |
1445 | sigprocmask(SIG_UNBLOCK, &sigmask, NULL); | |
1446 | #endif | |
6b83141d | 1447 | |
34758d5c MP |
1448 | /* Ignore SIGPIPE; we consistently check error codes and will |
1449 | * see the EPIPE. */ | |
60ee01f5 | 1450 | SIGACTION(SIGPIPE, SIG_IGN); |
55e54e46 WD |
1451 | #ifdef SIGXFSZ |
1452 | SIGACTION(SIGXFSZ, SIG_IGN); | |
1453 | #endif | |
34758d5c | 1454 | |
c226b7c2 | 1455 | /* Initialize push_dir here because on some old systems getcwd |
9af87151 WD |
1456 | * (implemented by forking "pwd" and reading its output) doesn't |
1457 | * work when there are other child processes. Also, on all systems | |
1458 | * that implement getcwd that way "pwd" can't be found after chroot. */ | |
615a5415 | 1459 | push_dir(NULL, 0); |
c226b7c2 | 1460 | |
44e9e221 WD |
1461 | init_flist(); |
1462 | ||
e8a96e27 | 1463 | if ((write_batch || read_batch) && !am_server) { |
b9f592fb | 1464 | if (write_batch) |
66a9dc96 | 1465 | write_batch_shell_file(orig_argc, orig_argv, argc); |
b9f592fb | 1466 | |
dbbab0c4 WD |
1467 | if (read_batch && strcmp(batch_name, "-") == 0) |
1468 | batch_fd = STDIN_FILENO; | |
1469 | else { | |
1470 | batch_fd = do_open(batch_name, | |
b9f592fb WD |
1471 | write_batch ? O_WRONLY | O_CREAT | O_TRUNC |
1472 | : O_RDONLY, S_IRUSR | S_IWUSR); | |
dbbab0c4 | 1473 | } |
b9f592fb WD |
1474 | if (batch_fd < 0) { |
1475 | rsyserr(FERROR, errno, "Batch file %s open error", | |
71903f60 | 1476 | full_fname(batch_name)); |
b9f592fb WD |
1477 | exit_cleanup(RERR_FILEIO); |
1478 | } | |
9459290a WD |
1479 | if (read_batch) |
1480 | read_stream_flags(batch_fd); | |
e10664c5 WD |
1481 | else |
1482 | write_stream_flags(batch_fd); | |
1483 | ||
6902ed17 | 1484 | } |
e8a96e27 WD |
1485 | if (write_batch < 0) |
1486 | dry_run = 1; | |
6902ed17 | 1487 | |
44c4492a WD |
1488 | if (am_server) { |
1489 | #ifdef ICONV_CONST | |
b61665d5 | 1490 | setup_iconv(); |
44c4492a WD |
1491 | #endif |
1492 | } else if (am_daemon) | |
7a6421fa | 1493 | return daemon_main(); |
f0fca04e | 1494 | |
f7e5068d WD |
1495 | if (am_server && protect_args) { |
1496 | char buf[MAXPATHLEN]; | |
71605b0f | 1497 | protect_args = 2; |
f7e5068d WD |
1498 | read_args(STDIN_FILENO, NULL, buf, sizeof buf, 1, &argv, &argc, NULL); |
1499 | if (!parse_arguments(&argc, (const char ***) &argv, 1)) { | |
1500 | option_error(); | |
1501 | exit_cleanup(RERR_SYNTAX); | |
1502 | } | |
1503 | } | |
1504 | ||
08ac228f AT |
1505 | if (argc < 1) { |
1506 | usage(FERROR); | |
65417579 | 1507 | exit_cleanup(RERR_SYNTAX); |
08ac228f AT |
1508 | } |
1509 | ||
7a6421fa | 1510 | if (am_server) { |
f0359dd0 AT |
1511 | set_nonblocking(STDIN_FILENO); |
1512 | set_nonblocking(STDOUT_FILENO); | |
75aeac44 WD |
1513 | if (am_daemon) |
1514 | return start_daemon(STDIN_FILENO, STDOUT_FILENO); | |
7a6421fa AT |
1515 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); |
1516 | } | |
c627d613 | 1517 | |
ff81e809 | 1518 | ret = start_client(argc, argv); |
d9c7edf6 | 1519 | if (ret == -1) |
9098bbf3 | 1520 | exit_cleanup(RERR_STARTCLIENT); |
088aac85 | 1521 | else |
9098bbf3 MP |
1522 | exit_cleanup(ret); |
1523 | ||
0f5a04e3 | 1524 | return ret; |
c627d613 | 1525 | } |