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" | |
a72ba0cf | 24 | #include "io.h" |
d9401514 WD |
25 | #if defined CONFIG_LOCALE && defined HAVE_LOCALE_H |
26 | #include <locale.h> | |
27 | #endif | |
c627d613 | 28 | |
50839b4b WD |
29 | extern int verbose; |
30 | extern int dry_run; | |
31 | extern int list_only; | |
32eda096 | 32 | extern int am_root; |
d9c7edf6 WD |
33 | extern int am_server; |
34 | extern int am_sender; | |
b695f242 | 35 | extern int am_generator; |
d9c7edf6 | 36 | extern int am_daemon; |
3ea6e0e7 | 37 | extern int inc_recurse; |
32eda096 | 38 | extern int blocking_io; |
47c11975 | 39 | extern int remove_source_files; |
bf26aa22 | 40 | extern int need_messages_from_generator; |
051182cb | 41 | extern int kluge_around_eof; |
32eda096 | 42 | extern int do_stats; |
32eda096 WD |
43 | extern int log_got_error; |
44 | extern int module_id; | |
bb6721dc | 45 | extern int copy_links; |
a695b379 | 46 | extern int copy_dirlinks; |
83926d3c | 47 | extern int keep_dirlinks; |
32eda096 | 48 | extern int preserve_hard_links; |
d04e9c51 | 49 | extern int protocol_version; |
f3d6d480 | 50 | extern int file_total; |
32eda096 | 51 | extern int recurse; |
f7e5068d | 52 | extern int protect_args; |
32eda096 | 53 | extern int relative_paths; |
7c58c991 | 54 | extern int sanitize_paths; |
c2a2147a | 55 | extern int curr_dir_depth; |
615a5415 | 56 | extern int curr_dir_len; |
7c58c991 | 57 | extern int module_id; |
32eda096 | 58 | extern int rsync_port; |
b1df18d7 | 59 | extern int whole_file; |
32eda096 WD |
60 | extern int read_batch; |
61 | extern int write_batch; | |
b9f592fb | 62 | extern int batch_fd; |
32eda096 WD |
63 | extern int filesfrom_fd; |
64 | extern pid_t cleanup_child_pid; | |
50839b4b | 65 | extern struct stats stats; |
860236bf | 66 | extern char *filesfrom_host; |
c2c8db91 | 67 | extern char *partial_dir; |
7c58c991 | 68 | extern char *basis_dir[]; |
32eda096 WD |
69 | extern char *rsync_path; |
70 | extern char *shell_cmd; | |
9b3318b0 | 71 | extern char *batch_name; |
a39da29a | 72 | extern char *password_file; |
615a5415 | 73 | extern char curr_dir[MAXPATHLEN]; |
d4d6646a | 74 | extern struct file_list *cur_flist; |
c2c8db91 | 75 | extern struct filter_list_struct server_filter_list; |
57dee64e WD |
76 | |
77 | int local_server = 0; | |
2a94207a | 78 | int new_root_dir = 0; |
e208631a | 79 | int daemon_over_rsh = 0; |
05278935 | 80 | mode_t orig_umask = 0; |
f3d6d480 | 81 | int batch_gen_fd = -1; |
c627d613 | 82 | |
91c5833b WD |
83 | /* There's probably never more than at most 2 outstanding child processes, |
84 | * but set it higher, just in case. */ | |
84e6d6fd | 85 | #define MAXCHILDPROCS 7 |
ee7118a8 | 86 | |
8261af74 WD |
87 | #ifdef HAVE_SIGACTION |
88 | # ifdef HAVE_SIGPROCMASK | |
89 | # define SIGACTMASK(n,h) SIGACTION(n,h), sigaddset(&sigmask,(n)) | |
90 | # else | |
91 | # define SIGACTMASK(n,h) SIGACTION(n,h) | |
92 | # endif | |
60ee01f5 WD |
93 | static struct sigaction sigact; |
94 | #endif | |
95 | ||
ee7118a8 DD |
96 | struct pid_status { |
97 | pid_t pid; | |
84e6d6fd | 98 | int status; |
ee7118a8 DD |
99 | } pid_stat_table[MAXCHILDPROCS]; |
100 | ||
33c4b445 WD |
101 | static time_t starttime, endtime; |
102 | static int64 total_read, total_written; | |
103 | ||
e5a2b854 | 104 | static void show_malloc_stats(void); |
82980a23 | 105 | |
97d8e709 | 106 | /* Works like waitpid(), but if we already harvested the child pid in our |
6d59ac19 | 107 | * remember_children(), we succeed instead of returning an error. */ |
97d8e709 | 108 | pid_t wait_process(pid_t pid, int *status_ptr, int flags) |
82980a23 | 109 | { |
d365e229 WD |
110 | pid_t waited_pid; |
111 | ||
112 | do { | |
113 | waited_pid = waitpid(pid, status_ptr, flags); | |
114 | } while (waited_pid == -1 && errno == EINTR); | |
d9c7edf6 | 115 | |
6fb812f7 | 116 | if (waited_pid == -1 && errno == ECHILD) { |
97d8e709 | 117 | /* Status of requested child no longer available: check to |
6d59ac19 | 118 | * see if it was processed by remember_children(). */ |
97d8e709 | 119 | int cnt; |
84e6d6fd | 120 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { |
ee7118a8 | 121 | if (pid == pid_stat_table[cnt].pid) { |
97d8e709 | 122 | *status_ptr = pid_stat_table[cnt].status; |
ee7118a8 | 123 | pid_stat_table[cnt].pid = 0; |
97d8e709 | 124 | return pid; |
ee7118a8 DD |
125 | } |
126 | } | |
127 | } | |
128 | ||
97d8e709 WD |
129 | return waited_pid; |
130 | } | |
131 | ||
132 | /* Wait for a process to exit, calling io_flush while waiting. */ | |
84e6d6fd | 133 | static void wait_process_with_flush(pid_t pid, int *exit_code_ptr) |
97d8e709 WD |
134 | { |
135 | pid_t waited_pid; | |
136 | int status; | |
137 | ||
138 | while ((waited_pid = wait_process(pid, &status, WNOHANG)) == 0) { | |
139 | msleep(20); | |
140 | io_flush(FULL_FLUSH); | |
141 | } | |
142 | ||
d9c7edf6 WD |
143 | /* TODO: If the child exited on a signal, then log an |
144 | * appropriate error message. Perhaps we should also accept a | |
145 | * message describing the purpose of the child. Also indicate | |
dbefb6b4 | 146 | * this to the caller so that they know something went wrong. */ |
84e6d6fd WD |
147 | if (waited_pid < 0) { |
148 | rsyserr(FERROR, errno, "waitpid"); | |
149 | *exit_code_ptr = RERR_WAITCHILD; | |
150 | } else if (!WIFEXITED(status)) { | |
40e6752f | 151 | #ifdef WCOREDUMP |
dbefb6b4 | 152 | if (WCOREDUMP(status)) |
84e6d6fd | 153 | *exit_code_ptr = RERR_CRASHED; |
40e6752f WD |
154 | else |
155 | #endif | |
156 | if (WIFSIGNALED(status)) | |
84e6d6fd | 157 | *exit_code_ptr = RERR_TERMINATED; |
dbefb6b4 | 158 | else |
84e6d6fd | 159 | *exit_code_ptr = RERR_WAITCHILD; |
dbefb6b4 | 160 | } else |
84e6d6fd | 161 | *exit_code_ptr = WEXITSTATUS(status); |
82980a23 AT |
162 | } |
163 | ||
b9f592fb WD |
164 | /* This function gets called from all 3 processes. We want the client side |
165 | * to actually output the text, but the sender is the only process that has | |
166 | * all the stats we need. So, if we're a client sender, we do the report. | |
167 | * If we're a server sender, we write the stats on the supplied fd. If | |
168 | * we're the client receiver we read the stats from the supplied fd and do | |
169 | * the report. All processes might also generate a set of debug stats, if | |
170 | * the verbose level is high enough (this is the only thing that the | |
171 | * generator process and the server receiver ever do here). */ | |
33c4b445 | 172 | static void handle_stats(int f) |
c627d613 | 173 | { |
33c4b445 WD |
174 | endtime = time(NULL); |
175 | ||
b9f592fb | 176 | /* Cache two stats because the read/write code can change it. */ |
33c4b445 WD |
177 | total_read = stats.total_read; |
178 | total_written = stats.total_written; | |
7a6421fa | 179 | |
7bb7058e | 180 | if (do_stats && verbose > 1) { |
5c15e29f | 181 | /* These come out from every process */ |
7bb7058e | 182 | show_malloc_stats(); |
86943126 | 183 | show_flist_stats(); |
5c15e29f MP |
184 | } |
185 | ||
e5fbaa71 S |
186 | if (am_generator) |
187 | return; | |
188 | ||
248fbb8c | 189 | if (am_daemon) { |
83926d3c WD |
190 | if (f == -1 || !am_sender) |
191 | return; | |
248fbb8c AT |
192 | } |
193 | ||
e19452a9 | 194 | if (am_server) { |
3e491682 | 195 | if (am_sender) { |
a72ba0cf WD |
196 | write_varlong30(f, total_read, 3); |
197 | write_varlong30(f, total_written, 3); | |
198 | write_varlong30(f, stats.total_size, 3); | |
f0f7e760 | 199 | if (protocol_version >= 29) { |
a72ba0cf WD |
200 | write_varlong30(f, stats.flist_buildtime, 3); |
201 | write_varlong30(f, stats.flist_xfertime, 3); | |
f0f7e760 | 202 | } |
e19452a9 | 203 | } |
7a6421fa AT |
204 | return; |
205 | } | |
e19452a9 DD |
206 | |
207 | /* this is the client */ | |
d9c7edf6 | 208 | |
9d19f8a5 | 209 | if (f < 0 && !am_sender) /* e.g. when we got an empty file list. */ |
0f78b815 | 210 | ; |
9d19f8a5 | 211 | else if (!am_sender) { |
58c5c245 WD |
212 | /* Read the first two in opposite order because the meaning of |
213 | * read/write swaps when switching from sender to receiver. */ | |
a72ba0cf WD |
214 | total_written = read_varlong30(f, 3); |
215 | total_read = read_varlong30(f, 3); | |
216 | stats.total_size = read_varlong30(f, 3); | |
f0f7e760 | 217 | if (protocol_version >= 29) { |
a72ba0cf WD |
218 | stats.flist_buildtime = read_varlong30(f, 3); |
219 | stats.flist_xfertime = read_varlong30(f, 3); | |
f0f7e760 | 220 | } |
e4676bb5 | 221 | } else if (write_batch) { |
b9f592fb WD |
222 | /* The --read-batch process is going to be a client |
223 | * receiver, so we need to give it the stats. */ | |
a72ba0cf WD |
224 | write_varlong30(batch_fd, total_read, 3); |
225 | write_varlong30(batch_fd, total_written, 3); | |
226 | write_varlong30(batch_fd, stats.total_size, 3); | |
f0f7e760 | 227 | if (protocol_version >= 29) { |
a72ba0cf WD |
228 | write_varlong30(batch_fd, stats.flist_buildtime, 3); |
229 | write_varlong30(batch_fd, stats.flist_xfertime, 3); | |
f0f7e760 | 230 | } |
a800434a | 231 | } |
e4676bb5 | 232 | } |
a800434a | 233 | |
e4676bb5 WD |
234 | static void output_summary(void) |
235 | { | |
a800434a | 236 | if (do_stats) { |
b64ee91a WD |
237 | rprintf(FCLIENT, "\n"); |
238 | rprintf(FINFO,"Number of files: %d\n", stats.num_files); | |
d9c7edf6 WD |
239 | rprintf(FINFO,"Number of files transferred: %d\n", |
240 | stats.num_transferred_files); | |
60613dc8 WD |
241 | rprintf(FINFO,"Total file size: %s bytes\n", |
242 | human_num(stats.total_size)); | |
243 | rprintf(FINFO,"Total transferred file size: %s bytes\n", | |
244 | human_num(stats.total_transferred_size)); | |
245 | rprintf(FINFO,"Literal data: %s bytes\n", | |
246 | human_num(stats.literal_data)); | |
247 | rprintf(FINFO,"Matched data: %s bytes\n", | |
248 | human_num(stats.matched_data)); | |
eb0144d7 WD |
249 | rprintf(FINFO,"File list size: %s\n", |
250 | human_num(stats.flist_size)); | |
f0f7e760 WD |
251 | if (stats.flist_buildtime) { |
252 | rprintf(FINFO, | |
253 | "File list generation time: %.3f seconds\n", | |
254 | (double)stats.flist_buildtime / 1000); | |
255 | rprintf(FINFO, | |
256 | "File list transfer time: %.3f seconds\n", | |
257 | (double)stats.flist_xfertime / 1000); | |
258 | } | |
60613dc8 WD |
259 | rprintf(FINFO,"Total bytes sent: %s\n", |
260 | human_num(total_written)); | |
261 | rprintf(FINFO,"Total bytes received: %s\n", | |
262 | human_num(total_read)); | |
7a6421fa | 263 | } |
d9c7edf6 | 264 | |
e19452a9 | 265 | if (verbose || do_stats) { |
b64ee91a | 266 | rprintf(FCLIENT, "\n"); |
b9f592fb | 267 | rprintf(FINFO, |
b64ee91a | 268 | "sent %s bytes received %s bytes %s bytes/sec\n", |
60613dc8 WD |
269 | human_num(total_written), human_num(total_read), |
270 | human_dnum((total_written + total_read)/(0.5 + (endtime - starttime)), 2)); | |
271 | rprintf(FINFO, "total size is %s speedup is %.2f\n", | |
272 | human_num(stats.total_size), | |
b9f592fb | 273 | (double)stats.total_size / (total_written+total_read)); |
e19452a9 | 274 | } |
fc8a6b97 AT |
275 | |
276 | fflush(stdout); | |
277 | fflush(stderr); | |
c627d613 AT |
278 | } |
279 | ||
280 | ||
e5a2b854 MP |
281 | /** |
282 | * If our C library can get malloc statistics, then show them to FINFO | |
283 | **/ | |
284 | static void show_malloc_stats(void) | |
285 | { | |
4f5b0756 | 286 | #ifdef HAVE_MALLINFO |
e5a2b854 MP |
287 | struct mallinfo mi; |
288 | ||
289 | mi = mallinfo(); | |
290 | ||
b64ee91a WD |
291 | rprintf(FCLIENT, "\n"); |
292 | rprintf(FINFO, RSYNC_NAME "[%d] (%s%s%s) heap statistics:\n", | |
f846a9bf WD |
293 | getpid(), am_server ? "server " : "", |
294 | am_daemon ? "daemon " : "", who_am_i()); | |
295 | rprintf(FINFO, " arena: %10ld (bytes from sbrk)\n", | |
296 | (long)mi.arena); | |
297 | rprintf(FINFO, " ordblks: %10ld (chunks not in use)\n", | |
298 | (long)mi.ordblks); | |
299 | rprintf(FINFO, " smblks: %10ld\n", | |
300 | (long)mi.smblks); | |
301 | rprintf(FINFO, " hblks: %10ld (chunks from mmap)\n", | |
302 | (long)mi.hblks); | |
303 | rprintf(FINFO, " hblkhd: %10ld (bytes from mmap)\n", | |
304 | (long)mi.hblkhd); | |
305 | rprintf(FINFO, " allmem: %10ld (bytes from sbrk + mmap)\n", | |
306 | (long)mi.arena + mi.hblkhd); | |
307 | rprintf(FINFO, " usmblks: %10ld\n", | |
308 | (long)mi.usmblks); | |
309 | rprintf(FINFO, " fsmblks: %10ld\n", | |
310 | (long)mi.fsmblks); | |
311 | rprintf(FINFO, " uordblks: %10ld (bytes used)\n", | |
312 | (long)mi.uordblks); | |
313 | rprintf(FINFO, " fordblks: %10ld (bytes free)\n", | |
314 | (long)mi.fordblks); | |
315 | rprintf(FINFO, " keepcost: %10ld (bytes in releasable chunk)\n", | |
316 | (long)mi.keepcost); | |
e5a2b854 MP |
317 | #endif /* HAVE_MALLINFO */ |
318 | } | |
319 | ||
320 | ||
0882faa2 | 321 | /* Start the remote shell. cmd may be NULL to use the default. */ |
f7e5068d WD |
322 | static pid_t do_cmd(char *cmd, char *machine, char *user, char **remote_argv, int remote_argc, |
323 | int *f_in_p, int *f_out_p) | |
c627d613 | 324 | { |
6c2e5b56 | 325 | int i, argc = 0; |
887e553f | 326 | char *args[MAX_ARGS]; |
19b27a48 | 327 | pid_t ret; |
82f0c63e | 328 | char *dir = NULL; |
bb4aa89c | 329 | int dash_l_set = 0; |
366345fe | 330 | |
088aac85 | 331 | if (!read_batch && !local_server) { |
82f0c63e | 332 | char *t, *f, in_quote = '\0'; |
9af87151 | 333 | char *rsh_env = getenv(RSYNC_RSH_ENV); |
366345fe | 334 | if (!cmd) |
9af87151 | 335 | cmd = rsh_env; |
366345fe AT |
336 | if (!cmd) |
337 | cmd = RSYNC_RSH; | |
338 | cmd = strdup(cmd); | |
d9c7edf6 | 339 | if (!cmd) |
366345fe AT |
340 | goto oom; |
341 | ||
82f0c63e WD |
342 | for (t = f = cmd; *f; f++) { |
343 | if (*f == ' ') | |
344 | continue; | |
e7a392c7 | 345 | /* Comparison leaves rooms for server_options(). */ |
f7e5068d WD |
346 | if (argc >= MAX_ARGS - MAX_SERVER_ARGS) |
347 | goto arg_overflow; | |
82f0c63e WD |
348 | args[argc++] = t; |
349 | while (*f != ' ' || in_quote) { | |
350 | if (!*f) { | |
351 | if (in_quote) { | |
352 | rprintf(FERROR, | |
353 | "Missing trailing-%c in remote-shell command.\n", | |
354 | in_quote); | |
355 | exit_cleanup(RERR_SYNTAX); | |
356 | } | |
357 | f--; | |
358 | break; | |
359 | } | |
360 | if (*f == '\'' || *f == '"') { | |
361 | if (!in_quote) { | |
362 | in_quote = *f++; | |
363 | continue; | |
364 | } | |
365 | if (*f == in_quote && *++f != in_quote) { | |
366 | in_quote = '\0'; | |
367 | continue; | |
368 | } | |
369 | } | |
370 | *t++ = *f++; | |
371 | } | |
372 | *t++ = '\0'; | |
887e553f | 373 | } |
c627d613 | 374 | |
d9c7edf6 | 375 | /* check to see if we've already been given '-l user' in |
9af87151 | 376 | * the remote-shell command */ |
bb4aa89c WD |
377 | for (i = 0; i < argc-1; i++) { |
378 | if (!strcmp(args[i], "-l") && args[i+1][0] != '-') | |
379 | dash_l_set = 1; | |
380 | } | |
381 | ||
4f5b0756 | 382 | #ifdef HAVE_REMSH |
366345fe AT |
383 | /* remsh (on HPUX) takes the arguments the other way around */ |
384 | args[argc++] = machine; | |
bb4aa89c | 385 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
386 | args[argc++] = "-l"; |
387 | args[argc++] = user; | |
388 | } | |
7b8356d0 | 389 | #else |
bb4aa89c | 390 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
391 | args[argc++] = "-l"; |
392 | args[argc++] = user; | |
393 | } | |
394 | args[argc++] = machine; | |
7b8356d0 | 395 | #endif |
c627d613 | 396 | |
366345fe | 397 | args[argc++] = rsync_path; |
c627d613 | 398 | |
9af87151 | 399 | if (blocking_io < 0) { |
90e22f4b WD |
400 | char *cp; |
401 | if ((cp = strrchr(cmd, '/')) != NULL) | |
402 | cp++; | |
403 | else | |
404 | cp = cmd; | |
405 | if (strcmp(cp, "rsh") == 0 || strcmp(cp, "remsh") == 0) | |
406 | blocking_io = 1; | |
66b71163 | 407 | } |
e384bfbd | 408 | |
93689aa5 | 409 | server_options(args,&argc); |
e7a392c7 | 410 | |
f7e5068d WD |
411 | if (argc >= MAX_ARGS - 2) |
412 | goto arg_overflow; | |
366345fe | 413 | } |
c627d613 | 414 | |
366345fe | 415 | args[argc++] = "."; |
76076c4b | 416 | |
f7e5068d WD |
417 | if (!daemon_over_rsh) { |
418 | while (remote_argc > 0) { | |
419 | if (argc >= MAX_ARGS - 1) { | |
420 | arg_overflow: | |
421 | rprintf(FERROR, "internal: args[] overflowed in do_cmd()\n"); | |
422 | exit_cleanup(RERR_SYNTAX); | |
423 | } | |
424 | args[argc++] = *remote_argv++; | |
425 | remote_argc--; | |
426 | } | |
427 | } | |
c627d613 | 428 | |
366345fe | 429 | args[argc] = NULL; |
c627d613 | 430 | |
366345fe | 431 | if (verbose > 3) { |
e7a392c7 | 432 | for (i = 0; i < argc; i++) |
b64ee91a WD |
433 | rprintf(FCLIENT, "cmd[%d]=%s ", i, args[i]); |
434 | rprintf(FCLIENT, "\n"); | |
366345fe AT |
435 | } |
436 | ||
c0d8e84c WD |
437 | if (read_batch) { |
438 | int from_gen_pipe[2]; | |
439 | if (fd_pair(from_gen_pipe) < 0) { | |
440 | rsyserr(FERROR, errno, "pipe"); | |
441 | exit_cleanup(RERR_IPC); | |
442 | } | |
443 | batch_gen_fd = from_gen_pipe[0]; | |
f7e5068d WD |
444 | *f_out_p = from_gen_pipe[1]; |
445 | *f_in_p = batch_fd; | |
c0d8e84c WD |
446 | ret = -1; /* no child pid */ |
447 | } else if (local_server) { | |
b1df18d7 WD |
448 | /* If the user didn't request --[no-]whole-file, force |
449 | * it on, but only if we're not batch processing. */ | |
c0d8e84c | 450 | if (whole_file < 0 && !write_batch) |
b1df18d7 | 451 | whole_file = 1; |
f7e5068d WD |
452 | ret = local_child(argc, args, f_in_p, f_out_p, child_main); |
453 | } else { | |
454 | if (protect_args) { | |
455 | char *save_opts1, *save_opts2; | |
456 | for (i = 0; strcmp(args[i], "--server") != 0; i++) {} | |
457 | save_opts1 = args[i+1]; | |
458 | save_opts2 = args[i+2]; | |
459 | args[i+1] = "-s"; | |
460 | args[i+2] = NULL; | |
461 | ret = piped_child(args, f_in_p, f_out_p); | |
462 | args[i] = args[i-1]; /* move command name over --server */ | |
463 | args[i+1] = save_opts1; | |
464 | args[i+2] = save_opts2; | |
465 | while (args[i]) { | |
466 | write_sbuf(*f_out_p, args[i++]); | |
467 | write_byte(*f_out_p, 0); | |
468 | } | |
469 | write_byte(*f_out_p, 0); | |
470 | } else | |
471 | ret = piped_child(args, f_in_p, f_out_p); | |
472 | } | |
c627d613 | 473 | |
3a69fad0 WD |
474 | if (dir) |
475 | free(dir); | |
82306bf6 | 476 | |
366345fe | 477 | return ret; |
c627d613 | 478 | |
acee11fc | 479 | oom: |
366345fe AT |
480 | out_of_memory("do_cmd"); |
481 | return 0; /* not reached */ | |
c627d613 AT |
482 | } |
483 | ||
eb598fac WD |
484 | /* The receiving side operates in one of two modes: |
485 | * | |
cc8c5057 WD |
486 | * 1. it receives any number of files into a destination directory, |
487 | * placing them according to their names in the file-list. | |
eb598fac WD |
488 | * |
489 | * 2. it receives a single file and saves it using the name in the | |
490 | * destination path instead of its file-list name. This requires a | |
491 | * "local name" for writing out the destination file. | |
492 | * | |
a7d461fc WD |
493 | * So, our task is to figure out what mode/local-name we need. |
494 | * For mode 1, we change into the destination directory and return NULL. | |
495 | * For mode 2, we change into the directory containing the destination | |
496 | * file (if we aren't already there) and return the local-name. */ | |
eb598fac | 497 | static char *get_local_name(struct file_list *flist, char *dest_path) |
c627d613 | 498 | { |
7a6421fa | 499 | STRUCT_STAT st; |
a7d461fc | 500 | int statret; |
eb598fac | 501 | char *cp; |
c627d613 | 502 | |
eb598fac WD |
503 | if (verbose > 2) { |
504 | rprintf(FINFO, "get_local_name count=%d %s\n", | |
f3d6d480 | 505 | file_total, NS(dest_path)); |
eb598fac | 506 | } |
1f0610ef | 507 | |
ee8e2b15 | 508 | if (!dest_path || list_only) |
1f0610ef | 509 | return NULL; |
c95da96a | 510 | |
a7d461fc | 511 | /* See what currently exists at the destination. */ |
1a7f3d99 | 512 | if ((statret = do_stat(dest_path, &st)) == 0) { |
a7d461fc | 513 | /* If the destination is a dir, enter it and use mode 1. */ |
1ff5450d | 514 | if (S_ISDIR(st.st_mode)) { |
615a5415 | 515 | if (!push_dir(dest_path, 0)) { |
982e05bb | 516 | rsyserr(FERROR, errno, "push_dir#1 %s failed", |
eb598fac | 517 | full_fname(dest_path)); |
65417579 | 518 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
519 | } |
520 | return NULL; | |
521 | } | |
f3d6d480 | 522 | if (file_total > 1) { |
eb598fac WD |
523 | rprintf(FERROR, |
524 | "ERROR: destination must be a directory when" | |
525 | " copying more than 1 file\n"); | |
65417579 | 526 | exit_cleanup(RERR_FILESELECT); |
1ff5450d | 527 | } |
f3d6d480 | 528 | if (file_total == 1 && S_ISDIR(flist->files[0]->mode)) { |
44c26bf2 WD |
529 | rprintf(FERROR, |
530 | "ERROR: cannot overwrite non-directory" | |
531 | " with a directory\n"); | |
532 | exit_cleanup(RERR_FILESELECT); | |
533 | } | |
cc8c5057 | 534 | } else if (errno != ENOENT) { |
a7d461fc WD |
535 | /* If we don't know what's at the destination, fail. */ |
536 | rsyserr(FERROR, errno, "ERROR: cannot stat destination %s", | |
cc8c5057 WD |
537 | full_fname(dest_path)); |
538 | exit_cleanup(RERR_FILESELECT); | |
1ff5450d AT |
539 | } |
540 | ||
eb598fac WD |
541 | cp = strrchr(dest_path, '/'); |
542 | ||
a7d461fc WD |
543 | /* If we need a destination directory because the transfer is not |
544 | * of a single non-directory or the user has requested one via a | |
545 | * destination path ending in a slash, create one and use mode 1. */ | |
f3d6d480 | 546 | if (file_total > 1 || (cp && !cp[1])) { |
eb598fac WD |
547 | /* Lop off the final slash (if any). */ |
548 | if (cp && !cp[1]) | |
549 | *cp = '\0'; | |
550 | ||
a7d461fc WD |
551 | if (statret == 0) { |
552 | rprintf(FERROR, | |
553 | "ERROR: destination path is not a directory\n"); | |
554 | exit_cleanup(RERR_SYNTAX); | |
555 | } | |
556 | ||
05278935 | 557 | if (mkdir_defmode(dest_path) != 0) { |
eb598fac WD |
558 | rsyserr(FERROR, errno, "mkdir %s failed", |
559 | full_fname(dest_path)); | |
560 | exit_cleanup(RERR_FILEIO); | |
561 | } | |
1ff5450d | 562 | |
2a94207a WD |
563 | new_root_dir = 1; |
564 | ||
eb598fac WD |
565 | if (verbose) |
566 | rprintf(FINFO, "created directory %s\n", dest_path); | |
567 | ||
568 | if (dry_run) { | |
615a5415 | 569 | /* Indicate that dest dir doesn't really exist. */ |
eb598fac | 570 | dry_run++; |
eb598fac WD |
571 | } |
572 | ||
615a5415 | 573 | if (!push_dir(dest_path, dry_run > 1)) { |
eb598fac WD |
574 | rsyserr(FERROR, errno, "push_dir#2 %s failed", |
575 | full_fname(dest_path)); | |
576 | exit_cleanup(RERR_FILESELECT); | |
577 | } | |
e5a96f0f | 578 | |
e5a96f0f | 579 | return NULL; |
1ff5450d AT |
580 | } |
581 | ||
eb598fac WD |
582 | /* Otherwise, we are writing a single file, possibly on top of an |
583 | * existing non-directory. Change to the item's parent directory | |
584 | * (if it has a path component), return the basename of the | |
585 | * destination file as the local name, and use mode 2. */ | |
586 | if (!cp) | |
587 | return dest_path; | |
588 | ||
589 | if (cp == dest_path) | |
590 | dest_path = "/"; | |
591 | ||
592 | *cp = '\0'; | |
615a5415 | 593 | if (!push_dir(dest_path, 0)) { |
eb598fac WD |
594 | rsyserr(FERROR, errno, "push_dir#3 %s failed", |
595 | full_fname(dest_path)); | |
65417579 | 596 | exit_cleanup(RERR_FILESELECT); |
1ff5450d | 597 | } |
eb598fac | 598 | *cp = '/'; |
1ff5450d | 599 | |
eb598fac | 600 | return cp + 1; |
c627d613 AT |
601 | } |
602 | ||
615a5415 WD |
603 | /* Call this if the destination dir (which is assumed to be in curr_dir) |
604 | * does not yet exist and we can't create it due to being in dry-run | |
605 | * mode. We'll fix dirs that can be relative to the non-existent dir. */ | |
606 | static void fix_basis_dirs(void) | |
607 | { | |
ddcba3f0 | 608 | char **dir, *new, *slash; |
615a5415 WD |
609 | int len; |
610 | ||
ddcba3f0 WD |
611 | if (dry_run <= 1) |
612 | return; | |
613 | ||
614 | slash = strrchr(curr_dir, '/'); | |
615 | ||
615a5415 WD |
616 | for (dir = basis_dir; *dir; dir++) { |
617 | if (**dir == '/') | |
618 | continue; | |
619 | len = curr_dir_len + 1 + strlen(*dir) + 1; | |
620 | if (!(new = new_array(char, len))) | |
621 | out_of_memory("fix_basis_dirs"); | |
ddcba3f0 WD |
622 | if (slash && strncmp(*dir, "../", 3) == 0) { |
623 | /* We want to remove only one leading "../" prefix for | |
624 | * the directory we couldn't create in dry-run mode: | |
625 | * this ensures that any other ".." references get | |
626 | * evaluated the same as they would for a live copy. */ | |
627 | *slash = '\0'; | |
628 | pathjoin(new, len, curr_dir, *dir + 3); | |
629 | *slash = '/'; | |
630 | } else | |
631 | pathjoin(new, len, curr_dir, *dir); | |
615a5415 WD |
632 | *dir = new; |
633 | } | |
634 | } | |
c627d613 | 635 | |
1a8e5c97 | 636 | /* This is only called by the sender. */ |
16edf865 | 637 | static void read_final_goodbye(int f_in) |
4e0fcd85 | 638 | { |
f3d6d480 WD |
639 | int i, iflags, xlen; |
640 | uchar fnamecmp_type; | |
641 | char xname[MAXPATHLEN]; | |
1a8e5c97 WD |
642 | |
643 | if (protocol_version < 29) | |
644 | i = read_int(f_in); | |
645 | else { | |
16edf865 WD |
646 | i = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type, |
647 | xname, &xlen); | |
4e0fcd85 WD |
648 | } |
649 | ||
82ad07c4 | 650 | if (i != NDX_DONE) { |
c7791b8c WD |
651 | rprintf(FERROR, "Invalid packet at end of run (%d) [%s]\n", |
652 | i, who_am_i()); | |
1a8e5c97 | 653 | exit_cleanup(RERR_PROTOCOL); |
4e0fcd85 WD |
654 | } |
655 | } | |
656 | ||
eb598fac | 657 | static void do_server_sender(int f_in, int f_out, int argc, char *argv[]) |
c627d613 | 658 | { |
7a6421fa AT |
659 | struct file_list *flist; |
660 | char *dir = argv[0]; | |
c627d613 | 661 | |
45e08edb WD |
662 | if (verbose > 2) { |
663 | rprintf(FINFO, "server_sender starting pid=%ld\n", | |
664 | (long)getpid()); | |
665 | } | |
d9c7edf6 | 666 | |
2adbcdc7 | 667 | if (am_daemon && lp_write_only(module_id)) { |
7a92ded3 WD |
668 | rprintf(FERROR, "ERROR: module is write only\n"); |
669 | exit_cleanup(RERR_SYNTAX); | |
670 | return; | |
671 | } | |
47c11975 | 672 | if (am_daemon && lp_read_only(module_id) && remove_source_files) { |
bf26aa22 | 673 | rprintf(FERROR, |
044ccbaa | 674 | "ERROR: --remove-%s-files cannot be used with a read-only module\n", |
47c11975 | 675 | remove_source_files == 1 ? "source" : "sent"); |
bf26aa22 WD |
676 | exit_cleanup(RERR_SYNTAX); |
677 | return; | |
678 | } | |
7a92ded3 | 679 | |
582c1589 | 680 | if (!relative_paths) { |
615a5415 | 681 | if (!push_dir(dir, 0)) { |
582c1589 WD |
682 | rsyserr(FERROR, errno, "push_dir#3 %s failed", |
683 | full_fname(dir)); | |
684 | exit_cleanup(RERR_FILESELECT); | |
685 | } | |
7a6421fa AT |
686 | } |
687 | argc--; | |
688 | argv++; | |
d9c7edf6 | 689 | |
48a1ff0d | 690 | if (argc == 0 && (recurse || list_only)) { |
e1f67417 | 691 | argc = 1; |
7a6421fa AT |
692 | argv--; |
693 | argv[0] = "."; | |
694 | } | |
d9c7edf6 | 695 | |
7a6421fa | 696 | flist = send_file_list(f_out,argc,argv); |
9decb4d2 | 697 | if (!flist || flist->used == 0) |
8d9dc9f9 | 698 | exit_cleanup(0); |
8d9dc9f9 | 699 | |
f3d6d480 | 700 | io_start_buffering_in(f_in); |
da3478b2 | 701 | |
f3d6d480 | 702 | send_files(f_in, f_out); |
f1e3656e | 703 | io_flush(FULL_FLUSH); |
33c4b445 | 704 | handle_stats(f_out); |
4e0fcd85 | 705 | if (protocol_version >= 24) |
16edf865 | 706 | read_final_goodbye(f_in); |
f1e3656e | 707 | io_flush(FULL_FLUSH); |
7a6421fa | 708 | exit_cleanup(0); |
c627d613 AT |
709 | } |
710 | ||
711 | ||
f3d6d480 | 712 | static int do_recv(int f_in, int f_out, char *local_name) |
dc5ddbcc | 713 | { |
d186eb1a | 714 | int pid; |
84e6d6fd | 715 | int exit_code = 0; |
c70e07d9 | 716 | int error_pipe[2]; |
dc5ddbcc | 717 | |
bb6721dc WD |
718 | /* The receiving side mustn't obey this, or an existing symlink that |
719 | * points to an identical file won't be replaced by the referent. */ | |
a695b379 | 720 | copy_links = copy_dirlinks = 0; |
bb6721dc | 721 | |
1e1ca253 | 722 | #ifdef SUPPORT_HARD_LINKS |
d4d6646a WD |
723 | if (preserve_hard_links && !inc_recurse) |
724 | match_hard_links(cur_flist); | |
1e1ca253 | 725 | #endif |
dc5ddbcc | 726 | |
c70e07d9 | 727 | if (fd_pair(error_pipe) < 0) { |
ab759cd2 | 728 | rsyserr(FERROR, errno, "pipe failed in do_recv"); |
c8f2f857 | 729 | exit_cleanup(RERR_IPC); |
554e0a8d | 730 | } |
d9c7edf6 | 731 | |
f1e3656e | 732 | io_flush(NORMAL_FLUSH); |
c6e7fcb4 | 733 | |
ba449e44 | 734 | if ((pid = do_fork()) == -1) { |
c8f2f857 | 735 | rsyserr(FERROR, errno, "fork failed in do_recv"); |
ba449e44 WD |
736 | exit_cleanup(RERR_IPC); |
737 | } | |
738 | ||
739 | if (pid == 0) { | |
554e0a8d | 740 | close(error_pipe[0]); |
3a69fad0 WD |
741 | if (f_in != f_out) |
742 | close(f_out); | |
e08c9610 | 743 | |
554e0a8d | 744 | /* we can't let two processes write to the socket at one time */ |
f3d6d480 | 745 | io_end_multiplex_out(); |
554e0a8d AT |
746 | |
747 | /* set place to send errors */ | |
f1e3656e | 748 | set_msg_fd_out(error_pipe[1]); |
f3d6d480 | 749 | io_start_buffering_out(error_pipe[1]); |
554e0a8d | 750 | |
f3d6d480 | 751 | recv_files(f_in, local_name); |
f1e3656e | 752 | io_flush(FULL_FLUSH); |
33c4b445 | 753 | handle_stats(f_in); |
e08c9610 | 754 | |
332cf6df | 755 | send_msg(MSG_DONE, "", 1, 0); |
a72ba0cf | 756 | write_varlong(error_pipe[1], stats.total_read, 3); |
f1e3656e | 757 | io_flush(FULL_FLUSH); |
4e0fcd85 | 758 | |
40df65fd WD |
759 | /* Handle any keep-alive packets from the post-processing work |
760 | * that the generator does. */ | |
4e0fcd85 | 761 | if (protocol_version >= 29) { |
f3d6d480 WD |
762 | int iflags, xlen; |
763 | uchar fnamecmp_type; | |
764 | char xname[MAXPATHLEN]; | |
765 | ||
051182cb | 766 | kluge_around_eof = -1; |
1a8e5c97 WD |
767 | |
768 | /* This should only get stopped via a USR2 signal. */ | |
16edf865 | 769 | read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type, |
f3d6d480 | 770 | xname, &xlen); |
1a8e5c97 | 771 | |
3485ae83 WD |
772 | rprintf(FERROR, "Invalid packet at end of run [%s]\n", |
773 | who_am_i()); | |
1a8e5c97 | 774 | exit_cleanup(RERR_PROTOCOL); |
4e0fcd85 WD |
775 | } |
776 | ||
9e0582f9 WD |
777 | /* Finally, we go to sleep until our parent kills us with a |
778 | * USR2 signal. We sleep for a short time, as on some OSes | |
779 | * a signal won't interrupt a sleep! */ | |
f1e3656e WD |
780 | while (1) |
781 | msleep(20); | |
d186eb1a | 782 | } |
dc5ddbcc | 783 | |
b695f242 | 784 | am_generator = 1; |
f3d6d480 WD |
785 | |
786 | io_end_multiplex_in(); | |
e8a96e27 | 787 | if (write_batch && !am_server) |
b9f592fb | 788 | stop_write_batch(); |
b695f242 | 789 | |
554e0a8d | 790 | close(error_pipe[1]); |
3a69fad0 WD |
791 | if (f_in != f_out) |
792 | close(f_in); | |
e1b3d5c4 | 793 | |
f3d6d480 | 794 | io_start_buffering_out(f_out); |
b3e10ed7 | 795 | |
f1e3656e | 796 | set_msg_fd_in(error_pipe[0]); |
f3d6d480 | 797 | io_start_buffering_in(error_pipe[0]); |
554e0a8d | 798 | |
f3d6d480 | 799 | generate_files(f_out, local_name); |
8d9dc9f9 | 800 | |
33c4b445 | 801 | handle_stats(-1); |
f1e3656e | 802 | io_flush(FULL_FLUSH); |
d04e9c51 | 803 | if (protocol_version >= 24) { |
8ada7518 | 804 | /* send a final goodbye message */ |
9ae7a2cd | 805 | write_ndx(f_out, NDX_DONE); |
8ada7518 | 806 | } |
f1e3656e | 807 | io_flush(FULL_FLUSH); |
8ada7518 | 808 | |
f1e3656e | 809 | set_msg_fd_in(-1); |
089a2435 | 810 | kill(pid, SIGUSR2); |
84e6d6fd WD |
811 | wait_process_with_flush(pid, &exit_code); |
812 | return exit_code; | |
dc5ddbcc AT |
813 | } |
814 | ||
f3d6d480 | 815 | static void do_server_recv(int f_in, int f_out, int argc, char *argv[]) |
c627d613 | 816 | { |
84e6d6fd | 817 | int exit_code; |
7a6421fa | 818 | struct file_list *flist; |
6c2e5b56 | 819 | char *local_name = NULL; |
7a6421fa | 820 | char *dir = NULL; |
07bff66f WD |
821 | int save_verbose = verbose; |
822 | ||
823 | if (filesfrom_fd >= 0) { | |
824 | /* We can't mix messages with files-from data on the socket, | |
825 | * so temporarily turn off verbose messages. */ | |
826 | verbose = 0; | |
827 | } | |
f0fca04e | 828 | |
45e08edb WD |
829 | if (verbose > 2) { |
830 | rprintf(FINFO, "server_recv(%d) starting pid=%ld\n", | |
831 | argc, (long)getpid()); | |
832 | } | |
09b7f5db | 833 | |
2adbcdc7 | 834 | if (am_daemon && lp_read_only(module_id)) { |
09b7f5db AT |
835 | rprintf(FERROR,"ERROR: module is read only\n"); |
836 | exit_cleanup(RERR_SYNTAX); | |
837 | return; | |
838 | } | |
839 | ||
7a6421fa AT |
840 | if (argc > 0) { |
841 | dir = argv[0]; | |
842 | argc--; | |
843 | argv++; | |
615a5415 | 844 | if (!am_daemon && !push_dir(dir, 0)) { |
982e05bb WD |
845 | rsyserr(FERROR, errno, "push_dir#4 %s failed", |
846 | full_fname(dir)); | |
65417579 | 847 | exit_cleanup(RERR_FILESELECT); |
d9c7edf6 | 848 | } |
7a6421fa | 849 | } |
c627d613 | 850 | |
f3d6d480 WD |
851 | if (protocol_version >= 30) |
852 | io_start_multiplex_in(); | |
853 | else | |
854 | io_start_buffering_in(f_in); | |
57dee64e | 855 | recv_filter_list(f_in); |
c627d613 | 856 | |
7c2a9e76 | 857 | if (filesfrom_fd >= 0) { |
07bff66f WD |
858 | /* We need to send the files-from names to the sender at the |
859 | * same time that we receive the file-list from them, so we | |
860 | * need the IO routines to automatically write out the names | |
861 | * onto our f_out socket as we read the file-list. This | |
862 | * avoids both deadlock and extra delays/buffers. */ | |
7c2a9e76 WD |
863 | io_set_filesfrom_fds(filesfrom_fd, f_out); |
864 | filesfrom_fd = -1; | |
865 | } | |
866 | ||
b9f592fb | 867 | flist = recv_file_list(f_in); |
4c36a13e AT |
868 | if (!flist) { |
869 | rprintf(FERROR,"server_recv: recv_file_list error\n"); | |
65417579 | 870 | exit_cleanup(RERR_FILESELECT); |
7a6421fa | 871 | } |
3ea6e0e7 | 872 | if (inc_recurse && file_total == 1) |
f3d6d480 WD |
873 | recv_additional_file_list(f_in); |
874 | verbose = save_verbose; | |
d9c7edf6 | 875 | |
29fad7a3 | 876 | if (argc > 0) |
7a6421fa | 877 | local_name = get_local_name(flist,argv[0]); |
c627d613 | 878 | |
7c58c991 WD |
879 | /* Now that we know what our destination directory turned out to be, |
880 | * we can sanitize the --link-/copy-/compare-dest args correctly. */ | |
881 | if (sanitize_paths) { | |
7c58c991 | 882 | char **dir; |
c2c8db91 | 883 | for (dir = basis_dir; *dir; dir++) { |
c2a2147a | 884 | *dir = sanitize_path(NULL, *dir, NULL, curr_dir_depth, NULL); |
c2c8db91 WD |
885 | } |
886 | if (partial_dir) { | |
887 | partial_dir = sanitize_path(NULL, partial_dir, NULL, curr_dir_depth, NULL); | |
c2c8db91 WD |
888 | } |
889 | } | |
ddcba3f0 | 890 | fix_basis_dirs(); |
615a5415 | 891 | |
c2c8db91 WD |
892 | if (server_filter_list.head) { |
893 | char **dir; | |
894 | struct filter_list_struct *elp = &server_filter_list; | |
895 | ||
896 | for (dir = basis_dir; *dir; dir++) { | |
897 | if (check_filter(elp, *dir, 1) < 0) | |
898 | goto options_rejected; | |
899 | } | |
900 | if (partial_dir && *partial_dir == '/' | |
901 | && check_filter(elp, partial_dir, 1) < 0) { | |
902 | options_rejected: | |
903 | rprintf(FERROR, | |
904 | "Your options have been rejected by the server.\n"); | |
905 | exit_cleanup(RERR_SYNTAX); | |
906 | } | |
7c58c991 WD |
907 | } |
908 | ||
f3d6d480 | 909 | exit_code = do_recv(f_in, f_out, local_name); |
84e6d6fd | 910 | exit_cleanup(exit_code); |
c627d613 AT |
911 | } |
912 | ||
913 | ||
734a94a2 | 914 | int child_main(int argc, char *argv[]) |
25d34a5c MP |
915 | { |
916 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); | |
734a94a2 | 917 | return 0; |
25d34a5c MP |
918 | } |
919 | ||
920 | ||
9486289c | 921 | void start_server(int f_in, int f_out, int argc, char *argv[]) |
366345fe | 922 | { |
f0359dd0 AT |
923 | set_nonblocking(f_in); |
924 | set_nonblocking(f_out); | |
925 | ||
da3478b2 WD |
926 | io_set_sock_fds(f_in, f_out); |
927 | setup_protocol(f_out, f_in); | |
332cf6df | 928 | #ifdef ICONV_CONST |
9656de5d WD |
929 | setup_iconv(); |
930 | #endif | |
da3478b2 | 931 | |
d04e9c51 | 932 | if (protocol_version >= 23) |
da3478b2 | 933 | io_start_multiplex_out(); |
7a6421fa | 934 | |
7a6421fa | 935 | if (am_sender) { |
83926d3c | 936 | keep_dirlinks = 0; /* Must be disabled on the sender. */ |
bf26aa22 WD |
937 | if (need_messages_from_generator) |
938 | io_start_multiplex_in(); | |
7842418b | 939 | recv_filter_list(f_in); |
7a6421fa | 940 | do_server_sender(f_in, f_out, argc, argv); |
07613def | 941 | } else |
7a6421fa | 942 | do_server_recv(f_in, f_out, argc, argv); |
7a6421fa | 943 | exit_cleanup(0); |
366345fe AT |
944 | } |
945 | ||
0ba48136 MP |
946 | |
947 | /* | |
948 | * This is called once the connection has been negotiated. It is used | |
949 | * for rsyncd, remote-shell, and local connections. | |
950 | */ | |
19b27a48 | 951 | int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[]) |
9486289c | 952 | { |
088aac85 | 953 | struct file_list *flist = NULL; |
84e6d6fd | 954 | int exit_code = 0, exit_code2 = 0; |
9486289c | 955 | char *local_name = NULL; |
19b27a48 AT |
956 | |
957 | cleanup_child_pid = pid; | |
67a28eb2 | 958 | if (!read_batch) { |
b9f592fb WD |
959 | set_nonblocking(f_in); |
960 | set_nonblocking(f_out); | |
961 | } | |
f0359dd0 | 962 | |
da3478b2 | 963 | io_set_sock_fds(f_in, f_out); |
6d7b6081 | 964 | setup_protocol(f_out,f_in); |
332cf6df | 965 | #ifdef ICONV_CONST |
9656de5d WD |
966 | setup_iconv(); |
967 | #endif | |
6d7b6081 | 968 | |
18882701 WD |
969 | /* We set our stderr file handle to blocking because ssh might have |
970 | * set it to non-blocking. This can be particularly troublesome if | |
971 | * stderr is a clone of stdout, because ssh would have set our stdout | |
972 | * to non-blocking at the same time (which can easily cause us to lose | |
973 | * output from our print statements). This kluge shouldn't cause ssh | |
974 | * any problems for how we use it. Note also that we delayed setting | |
975 | * this until after the above protocol setup so that we know for sure | |
976 | * that ssh is done twiddling its file descriptors. */ | |
977 | set_blocking(STDERR_FILENO); | |
978 | ||
9486289c | 979 | if (am_sender) { |
83926d3c | 980 | keep_dirlinks = 0; /* Must be disabled on the sender. */ |
f3d6d480 WD |
981 | if (protocol_version >= 30) |
982 | io_start_multiplex_out(); | |
983 | else | |
984 | io_start_buffering_out(f_out); | |
860236bf | 985 | if (!filesfrom_host) |
a0a33ee5 | 986 | set_msg_fd_in(f_in); |
57dee64e | 987 | send_filter_list(f_out); |
860236bf | 988 | if (filesfrom_host) |
7c2a9e76 | 989 | filesfrom_fd = f_in; |
b9f592fb | 990 | |
e8a96e27 | 991 | if (write_batch && !am_server) |
b9f592fb | 992 | start_write_batch(f_out); |
a00628b3 | 993 | flist = send_file_list(f_out, argc, argv); |
a0a33ee5 | 994 | set_msg_fd_in(-1); |
d9c7edf6 | 995 | if (verbose > 3) |
9486289c | 996 | rprintf(FINFO,"file list sent\n"); |
f3d6d480 WD |
997 | |
998 | if (protocol_version >= 23) | |
999 | io_start_multiplex_in(); | |
e1b3d5c4 | 1000 | |
f1e3656e | 1001 | io_flush(NORMAL_FLUSH); |
f3d6d480 | 1002 | send_files(f_in, f_out); |
f1e3656e | 1003 | io_flush(FULL_FLUSH); |
33c4b445 | 1004 | handle_stats(-1); |
4e0fcd85 | 1005 | if (protocol_version >= 24) |
16edf865 | 1006 | read_final_goodbye(f_in); |
9486289c AT |
1007 | if (pid != -1) { |
1008 | if (verbose > 3) | |
08a740ff | 1009 | rprintf(FINFO,"client_run waiting on %d\n", (int) pid); |
f1e3656e | 1010 | io_flush(FULL_FLUSH); |
84e6d6fd | 1011 | wait_process_with_flush(pid, &exit_code); |
9486289c | 1012 | } |
33c4b445 | 1013 | output_summary(); |
c87ae64a | 1014 | io_flush(FULL_FLUSH); |
84e6d6fd | 1015 | exit_cleanup(exit_code); |
9486289c | 1016 | } |
f7632fc6 | 1017 | |
f3d6d480 WD |
1018 | if (!read_batch) { |
1019 | if (protocol_version >= 23) | |
1020 | io_start_multiplex_in(); | |
1021 | if (need_messages_from_generator) | |
1022 | io_start_multiplex_out(); | |
1023 | } | |
bf26aa22 | 1024 | |
48a1ff0d WD |
1025 | if (argc == 0) |
1026 | list_only |= 1; | |
d9c7edf6 | 1027 | |
57dee64e | 1028 | send_filter_list(read_batch ? -1 : f_out); |
d9c7edf6 | 1029 | |
7c2a9e76 WD |
1030 | if (filesfrom_fd >= 0) { |
1031 | io_set_filesfrom_fds(filesfrom_fd, f_out); | |
1032 | filesfrom_fd = -1; | |
1033 | } | |
1034 | ||
e8a96e27 | 1035 | if (write_batch && !am_server) |
b9f592fb | 1036 | start_write_batch(f_in); |
9486289c | 1037 | flist = recv_file_list(f_in); |
3ea6e0e7 | 1038 | if (inc_recurse && file_total == 1) |
f3d6d480 | 1039 | recv_additional_file_list(f_in); |
d9c7edf6 | 1040 | |
9decb4d2 | 1041 | if (flist && flist->used > 0) { |
9d19f8a5 | 1042 | local_name = get_local_name(flist, argv[0]); |
d9c7edf6 | 1043 | |
ddcba3f0 | 1044 | fix_basis_dirs(); |
615a5415 | 1045 | |
f3d6d480 | 1046 | exit_code2 = do_recv(f_in, f_out, local_name); |
9d19f8a5 WD |
1047 | } else { |
1048 | handle_stats(-1); | |
1049 | output_summary(); | |
1050 | } | |
d9c7edf6 | 1051 | |
9486289c | 1052 | if (pid != -1) { |
8d9dc9f9 | 1053 | if (verbose > 3) |
08a740ff | 1054 | rprintf(FINFO,"client_run2 waiting on %d\n", (int) pid); |
f1e3656e | 1055 | io_flush(FULL_FLUSH); |
84e6d6fd | 1056 | wait_process_with_flush(pid, &exit_code); |
9486289c | 1057 | } |
d9c7edf6 | 1058 | |
84e6d6fd | 1059 | return MAX(exit_code, exit_code2); |
9486289c AT |
1060 | } |
1061 | ||
07613def | 1062 | static int copy_argv(char *argv[]) |
7169bb4a MP |
1063 | { |
1064 | int i; | |
1065 | ||
1066 | for (i = 0; argv[i]; i++) { | |
1067 | if (!(argv[i] = strdup(argv[i]))) { | |
1068 | rprintf (FERROR, "out of memory at %s(%d)\n", | |
1069 | __FILE__, __LINE__); | |
1070 | return RERR_MALLOC; | |
1071 | } | |
1072 | } | |
1073 | ||
1074 | return 0; | |
1075 | } | |
1076 | ||
1077 | ||
c1a04ecb | 1078 | /** |
0ba48136 MP |
1079 | * Start a client for either type of remote connection. Work out |
1080 | * whether the arguments request a remote shell or rsyncd connection, | |
1081 | * and call the appropriate connection function, then run_client. | |
0b4af330 MP |
1082 | * |
1083 | * Calls either start_socket_client (for sockets) or do_cmd and | |
1084 | * client_run (for ssh). | |
c1a04ecb | 1085 | **/ |
fc8a6b97 | 1086 | static int start_client(int argc, char *argv[]) |
5d6bcd44 | 1087 | { |
f7e5068d WD |
1088 | char *p, *shell_machine = NULL, *shell_user = NULL; |
1089 | char **remote_argv; | |
1090 | int remote_argc; | |
1091 | int f_in, f_out; | |
19b27a48 AT |
1092 | int ret; |
1093 | pid_t pid; | |
7169bb4a MP |
1094 | |
1095 | /* Don't clobber argv[] so that ps(1) can still show the right | |
d9c7edf6 | 1096 | * command line. */ |
f7e5068d WD |
1097 | if ((ret = copy_argv(argv)) != 0) |
1098 | return ret; | |
5d6bcd44 | 1099 | |
d16c245f | 1100 | if (!read_batch) { /* for read_batch, NO source is specified */ |
f7e5068d WD |
1101 | char *path = check_for_hostspec(argv[0], &shell_machine, &rsync_port); |
1102 | if (path) { /* source is remote */ | |
9425918d WD |
1103 | char *dummy1; |
1104 | int dummy2; | |
f7e5068d WD |
1105 | *argv = path; |
1106 | remote_argv = argv; | |
1107 | remote_argc = argc; | |
1108 | argv += argc - 1; | |
1109 | if (argc == 1 || **argv == ':') | |
1110 | argc = 0; /* no dest arg */ | |
1111 | else if (check_for_hostspec(*argv, &dummy1, &dummy2)) { | |
9425918d WD |
1112 | rprintf(FERROR, |
1113 | "The source and destination cannot both be remote.\n"); | |
1114 | exit_cleanup(RERR_SYNTAX); | |
f7e5068d WD |
1115 | } else { |
1116 | remote_argc--; /* don't count dest */ | |
1117 | argc = 1; | |
9425918d | 1118 | } |
860236bf WD |
1119 | if (filesfrom_host && *filesfrom_host |
1120 | && strcmp(filesfrom_host, shell_machine) != 0) { | |
7c2a9e76 | 1121 | rprintf(FERROR, |
50b31539 | 1122 | "--files-from hostname is not the same as the transfer hostname\n"); |
7c2a9e76 WD |
1123 | exit_cleanup(RERR_SYNTAX); |
1124 | } | |
42ccb4c0 | 1125 | am_sender = 0; |
e208631a WD |
1126 | if (rsync_port) |
1127 | daemon_over_rsh = shell_cmd ? 1 : -1; | |
42ccb4c0 WD |
1128 | } else { /* source is local, check dest arg */ |
1129 | am_sender = 1; | |
1130 | ||
f7e5068d | 1131 | if (argc > 1) { |
ee8e2b15 | 1132 | p = argv[--argc]; |
f7e5068d WD |
1133 | remote_argv = argv + argc; |
1134 | } else { | |
1135 | static char *dotarg[1] = { "." }; | |
1136 | p = dotarg[0]; | |
1137 | remote_argv = dotarg; | |
ee8e2b15 | 1138 | list_only = 1; |
d9c7edf6 | 1139 | } |
f7e5068d | 1140 | remote_argc = 1; |
a125c82a | 1141 | |
f7e5068d WD |
1142 | path = check_for_hostspec(p, &shell_machine, &rsync_port); |
1143 | if (path && filesfrom_host && *filesfrom_host | |
860236bf | 1144 | && strcmp(filesfrom_host, shell_machine) != 0) { |
7c2a9e76 | 1145 | rprintf(FERROR, |
50b31539 | 1146 | "--files-from hostname is not the same as the transfer hostname\n"); |
7c2a9e76 WD |
1147 | exit_cleanup(RERR_SYNTAX); |
1148 | } | |
f7e5068d | 1149 | if (!path) { /* no hostspec found, so src & dest are local */ |
d9c7edf6 | 1150 | local_server = 1; |
860236bf | 1151 | if (filesfrom_host) { |
7c2a9e76 | 1152 | rprintf(FERROR, |
50b31539 | 1153 | "--files-from cannot be remote when the transfer is local\n"); |
7c2a9e76 WD |
1154 | exit_cleanup(RERR_SYNTAX); |
1155 | } | |
860236bf | 1156 | shell_machine = NULL; |
f7e5068d WD |
1157 | } else { /* hostspec was found, so dest is remote */ |
1158 | argv[argc] = path; | |
1159 | if (rsync_port) | |
1160 | daemon_over_rsh = shell_cmd ? 1 : -1; | |
1161 | } | |
5d6bcd44 | 1162 | } |
d16c245f | 1163 | } else { /* read_batch */ |
d9c7edf6 | 1164 | local_server = 1; |
f7e5068d | 1165 | if (check_for_hostspec(argv[argc-1], &shell_machine, &rsync_port)) { |
b9f592fb WD |
1166 | rprintf(FERROR, "remote destination is not allowed with --read-batch\n"); |
1167 | exit_cleanup(RERR_SYNTAX); | |
1168 | } | |
f7e5068d WD |
1169 | remote_argv = argv + argc - 1; |
1170 | remote_argc = 1; | |
6902ed17 MP |
1171 | } |
1172 | ||
f7e5068d WD |
1173 | if (am_sender) { |
1174 | char *dummy1; | |
1175 | int dummy2; | |
1176 | int i; | |
1177 | /* For local source, extra source args must not have hostspec. */ | |
1178 | for (i = 1; i < argc; i++) { | |
1179 | if (check_for_hostspec(argv[i], &dummy1, &dummy2)) { | |
1180 | rprintf(FERROR, "Unexpected remote arg: %s\n", argv[i]); | |
1181 | exit_cleanup(RERR_SYNTAX); | |
1182 | } | |
1183 | } | |
1184 | } else { | |
1185 | int i; | |
1186 | /* For remote source, any extra source args must be ":SOURCE" args. */ | |
1187 | for (i = 1; i < remote_argc; i++) { | |
1188 | if (*remote_argv[i] != ':') { | |
1189 | rprintf(FERROR, "Unexpected local arg: %s\n", remote_argv[i]); | |
1190 | rprintf(FERROR, "If arg is a remote file/dir, prefix it with a colon (:).\n"); | |
1191 | exit_cleanup(RERR_SYNTAX); | |
1192 | } | |
1193 | remote_argv[i]++; | |
1194 | } | |
1195 | if (argc == 0) | |
1196 | list_only |= 1; | |
e208631a WD |
1197 | } |
1198 | ||
1199 | if (daemon_over_rsh < 0) | |
f7e5068d | 1200 | return start_socket_client(shell_machine, remote_argc, remote_argv, argc, argv); |
e208631a | 1201 | |
a39da29a | 1202 | if (password_file && !daemon_over_rsh) { |
327c559a WD |
1203 | rprintf(FERROR, "The --password-file option may only be " |
1204 | "used when accessing an rsync daemon.\n"); | |
a39da29a WD |
1205 | exit_cleanup(RERR_SYNTAX); |
1206 | } | |
1207 | ||
5d6bcd44 | 1208 | if (shell_machine) { |
6fc048f4 | 1209 | p = strrchr(shell_machine,'@'); |
5d6bcd44 AT |
1210 | if (p) { |
1211 | *p = 0; | |
1212 | shell_user = shell_machine; | |
1213 | shell_machine = p+1; | |
1214 | } | |
1215 | } | |
1216 | ||
1217 | if (verbose > 3) { | |
9486289c | 1218 | rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n", |
f7e5068d WD |
1219 | NS(shell_cmd), NS(shell_machine), NS(shell_user), |
1220 | remote_argv ? NS(remote_argv[0]) : ""); | |
5d6bcd44 | 1221 | } |
d9c7edf6 | 1222 | |
f7e5068d WD |
1223 | pid = do_cmd(shell_cmd, shell_machine, shell_user, remote_argv, remote_argc, |
1224 | &f_in, &f_out); | |
75aeac44 WD |
1225 | |
1226 | /* if we're running an rsync server on the remote host over a | |
9af87151 | 1227 | * remote shell command, we need to do the RSYNCD protocol first */ |
75aeac44 WD |
1228 | if (daemon_over_rsh) { |
1229 | int tmpret; | |
f7e5068d | 1230 | tmpret = start_inband_exchange(f_in, f_out, shell_user, remote_argc, remote_argv); |
75aeac44 WD |
1231 | if (tmpret < 0) |
1232 | return tmpret; | |
1233 | } | |
1234 | ||
fc8a6b97 AT |
1235 | ret = client_run(f_in, f_out, pid, argc, argv); |
1236 | ||
1237 | fflush(stdout); | |
1238 | fflush(stderr); | |
1239 | ||
1240 | return ret; | |
5d6bcd44 AT |
1241 | } |
1242 | ||
366345fe | 1243 | |
067669da WD |
1244 | static RETSIGTYPE sigusr1_handler(UNUSED(int val)) |
1245 | { | |
6bf32edb | 1246 | exit_cleanup(RERR_SIGNAL1); |
82306bf6 AT |
1247 | } |
1248 | ||
067669da WD |
1249 | static RETSIGTYPE sigusr2_handler(UNUSED(int val)) |
1250 | { | |
33c4b445 WD |
1251 | if (!am_server) |
1252 | output_summary(); | |
40df65fd | 1253 | close_all(); |
33c4b445 WD |
1254 | if (log_got_error) |
1255 | _exit(RERR_PARTIAL); | |
8b35435f AT |
1256 | _exit(0); |
1257 | } | |
1258 | ||
6d59ac19 | 1259 | RETSIGTYPE remember_children(UNUSED(int val)) |
067669da | 1260 | { |
029c1713 | 1261 | #ifdef WNOHANG |
ee7118a8 DD |
1262 | int cnt, status; |
1263 | pid_t pid; | |
1264 | /* An empty waitpid() loop was put here by Tridge and we could never | |
d9c7edf6 | 1265 | * get him to explain why he put it in, so rather than taking it |
ee7118a8 DD |
1266 | * out we're instead saving the child exit statuses for later use. |
1267 | * The waitpid() loop presumably eliminates all possibility of leaving | |
97d8e709 | 1268 | * zombie children, maybe that's why he did it. */ |
ee7118a8 | 1269 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0) { |
9af87151 WD |
1270 | /* save the child's exit status */ |
1271 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { | |
1272 | if (pid_stat_table[cnt].pid == 0) { | |
1273 | pid_stat_table[cnt].pid = pid; | |
1274 | pid_stat_table[cnt].status = status; | |
1275 | break; | |
1276 | } | |
1277 | } | |
ee7118a8 | 1278 | } |
029c1713 | 1279 | #endif |
8261af74 | 1280 | #ifndef HAVE_SIGACTION |
6d59ac19 | 1281 | signal(SIGCHLD, remember_children); |
60ee01f5 | 1282 | #endif |
19b27a48 AT |
1283 | } |
1284 | ||
c0531332 MP |
1285 | |
1286 | /** | |
1287 | * This routine catches signals and tries to send them to gdb. | |
1288 | * | |
1289 | * Because it's called from inside a signal handler it ought not to | |
1290 | * use too many library routines. | |
1291 | * | |
1292 | * @todo Perhaps use "screen -X" instead/as well, to help people | |
1293 | * debugging without easy access to X. Perhaps use an environment | |
1294 | * variable, or just call a script? | |
1295 | * | |
1296 | * @todo The /proc/ magic probably only works on Linux (and | |
1297 | * Solaris?) Can we be more portable? | |
1298 | **/ | |
1299 | #ifdef MAINTAINER_MODE | |
4fdc39dd MP |
1300 | const char *get_panic_action(void) |
1301 | { | |
1302 | const char *cmd_fmt = getenv("RSYNC_PANIC_ACTION"); | |
1303 | ||
1304 | if (cmd_fmt) | |
1305 | return cmd_fmt; | |
1306 | else | |
1307 | return "xterm -display :0 -T Panic -n Panic " | |
1308 | "-e gdb /proc/%d/exe %d"; | |
1309 | } | |
1310 | ||
1311 | ||
9fb3f7a9 MP |
1312 | /** |
1313 | * Handle a fatal signal by launching a debugger, controlled by $RSYNC_PANIC_ACTION. | |
1314 | * | |
1315 | * This signal handler is only installed if we were configured with | |
1316 | * --enable-maintainer-mode. Perhaps it should always be on and we | |
1317 | * should just look at the environment variable, but I'm a bit leery | |
1318 | * of a signal sending us into a busy loop. | |
1319 | **/ | |
067669da | 1320 | static RETSIGTYPE rsync_panic_handler(UNUSED(int whatsig)) |
c0531332 MP |
1321 | { |
1322 | char cmd_buf[300]; | |
1323 | int ret; | |
4fdc39dd | 1324 | |
83078af5 WD |
1325 | snprintf(cmd_buf, sizeof cmd_buf, get_panic_action(), |
1326 | getpid(), getpid()); | |
c0531332 MP |
1327 | |
1328 | /* Unless we failed to execute gdb, we allow the process to | |
1329 | * continue. I'm not sure if that's right. */ | |
1330 | ret = system(cmd_buf); | |
1331 | if (ret) | |
1332 | _exit(ret); | |
1333 | } | |
1334 | #endif | |
1335 | ||
1336 | ||
5d6bcd44 | 1337 | int main(int argc,char *argv[]) |
d9c7edf6 | 1338 | { |
ff81e809 | 1339 | int ret; |
66a9dc96 WD |
1340 | int orig_argc = argc; |
1341 | char **orig_argv = argv; | |
8261af74 WD |
1342 | #ifdef HAVE_SIGACTION |
1343 | # ifdef HAVE_SIGPROCMASK | |
60ee01f5 | 1344 | sigset_t sigmask; |
5d6bcd44 | 1345 | |
60ee01f5 | 1346 | sigemptyset(&sigmask); |
8261af74 | 1347 | # endif |
60ee01f5 WD |
1348 | sigact.sa_flags = SA_NOCLDSTOP; |
1349 | #endif | |
1350 | SIGACTMASK(SIGUSR1, sigusr1_handler); | |
1351 | SIGACTMASK(SIGUSR2, sigusr2_handler); | |
6d59ac19 | 1352 | SIGACTMASK(SIGCHLD, remember_children); |
c0531332 | 1353 | #ifdef MAINTAINER_MODE |
60ee01f5 WD |
1354 | SIGACTMASK(SIGSEGV, rsync_panic_handler); |
1355 | SIGACTMASK(SIGFPE, rsync_panic_handler); | |
1356 | SIGACTMASK(SIGABRT, rsync_panic_handler); | |
1357 | SIGACTMASK(SIGBUS, rsync_panic_handler); | |
1358 | #endif | |
5d6bcd44 | 1359 | |
7a6421fa | 1360 | starttime = time(NULL); |
6fe05820 | 1361 | am_root = (MY_UID() == 0); |
c627d613 | 1362 | |
a800434a AT |
1363 | memset(&stats, 0, sizeof(stats)); |
1364 | ||
df5e03da AT |
1365 | if (argc < 2) { |
1366 | usage(FERROR); | |
65417579 | 1367 | exit_cleanup(RERR_SYNTAX); |
df5e03da AT |
1368 | } |
1369 | ||
7a6421fa | 1370 | /* we set a 0 umask so that correct file permissions can be |
9af87151 | 1371 | * carried across */ |
05278935 | 1372 | orig_umask = umask(0); |
5d6bcd44 | 1373 | |
eb598fac WD |
1374 | #if defined CONFIG_LOCALE && defined HAVE_SETLOCALE |
1375 | setlocale(LC_CTYPE, ""); | |
1376 | #endif | |
1377 | ||
50135767 | 1378 | if (!parse_arguments(&argc, (const char ***) &argv, 1)) { |
d9c7edf6 WD |
1379 | /* FIXME: We ought to call the same error-handling |
1380 | * code here, rather than relying on getopt. */ | |
50135767 | 1381 | option_error(); |
65417579 | 1382 | exit_cleanup(RERR_SYNTAX); |
b11ed3b1 | 1383 | } |
5d6bcd44 | 1384 | |
60ee01f5 WD |
1385 | SIGACTMASK(SIGINT, sig_int); |
1386 | SIGACTMASK(SIGHUP, sig_int); | |
1387 | SIGACTMASK(SIGTERM, sig_int); | |
1388 | #if defined HAVE_SIGACTION && HAVE_SIGPROCMASK | |
1389 | sigprocmask(SIG_UNBLOCK, &sigmask, NULL); | |
1390 | #endif | |
6b83141d | 1391 | |
34758d5c MP |
1392 | /* Ignore SIGPIPE; we consistently check error codes and will |
1393 | * see the EPIPE. */ | |
60ee01f5 | 1394 | SIGACTION(SIGPIPE, SIG_IGN); |
55e54e46 WD |
1395 | #ifdef SIGXFSZ |
1396 | SIGACTION(SIGXFSZ, SIG_IGN); | |
1397 | #endif | |
34758d5c | 1398 | |
c226b7c2 | 1399 | /* Initialize push_dir here because on some old systems getcwd |
9af87151 WD |
1400 | * (implemented by forking "pwd" and reading its output) doesn't |
1401 | * work when there are other child processes. Also, on all systems | |
1402 | * that implement getcwd that way "pwd" can't be found after chroot. */ | |
615a5415 | 1403 | push_dir(NULL, 0); |
c226b7c2 | 1404 | |
44e9e221 WD |
1405 | init_flist(); |
1406 | ||
e8a96e27 | 1407 | if ((write_batch || read_batch) && !am_server) { |
b9f592fb | 1408 | if (write_batch) |
66a9dc96 | 1409 | write_batch_shell_file(orig_argc, orig_argv, argc); |
b9f592fb | 1410 | |
dbbab0c4 WD |
1411 | if (read_batch && strcmp(batch_name, "-") == 0) |
1412 | batch_fd = STDIN_FILENO; | |
1413 | else { | |
1414 | batch_fd = do_open(batch_name, | |
b9f592fb WD |
1415 | write_batch ? O_WRONLY | O_CREAT | O_TRUNC |
1416 | : O_RDONLY, S_IRUSR | S_IWUSR); | |
dbbab0c4 | 1417 | } |
b9f592fb WD |
1418 | if (batch_fd < 0) { |
1419 | rsyserr(FERROR, errno, "Batch file %s open error", | |
71903f60 | 1420 | full_fname(batch_name)); |
b9f592fb WD |
1421 | exit_cleanup(RERR_FILEIO); |
1422 | } | |
9459290a WD |
1423 | if (read_batch) |
1424 | read_stream_flags(batch_fd); | |
e10664c5 WD |
1425 | else |
1426 | write_stream_flags(batch_fd); | |
1427 | ||
6902ed17 | 1428 | } |
e8a96e27 WD |
1429 | if (write_batch < 0) |
1430 | dry_run = 1; | |
6902ed17 | 1431 | |
75aeac44 | 1432 | if (am_daemon && !am_server) |
7a6421fa | 1433 | return daemon_main(); |
f0fca04e | 1434 | |
f7e5068d WD |
1435 | if (am_server && protect_args) { |
1436 | char buf[MAXPATHLEN]; | |
1437 | protect_args = 0; | |
1438 | read_args(STDIN_FILENO, NULL, buf, sizeof buf, 1, &argv, &argc, NULL); | |
1439 | if (!parse_arguments(&argc, (const char ***) &argv, 1)) { | |
1440 | option_error(); | |
1441 | exit_cleanup(RERR_SYNTAX); | |
1442 | } | |
1443 | } | |
1444 | ||
08ac228f AT |
1445 | if (argc < 1) { |
1446 | usage(FERROR); | |
65417579 | 1447 | exit_cleanup(RERR_SYNTAX); |
08ac228f AT |
1448 | } |
1449 | ||
7a6421fa | 1450 | if (am_server) { |
f0359dd0 AT |
1451 | set_nonblocking(STDIN_FILENO); |
1452 | set_nonblocking(STDOUT_FILENO); | |
75aeac44 WD |
1453 | if (am_daemon) |
1454 | return start_daemon(STDIN_FILENO, STDOUT_FILENO); | |
7a6421fa AT |
1455 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); |
1456 | } | |
c627d613 | 1457 | |
ff81e809 | 1458 | ret = start_client(argc, argv); |
d9c7edf6 | 1459 | if (ret == -1) |
9098bbf3 | 1460 | exit_cleanup(RERR_STARTCLIENT); |
088aac85 | 1461 | else |
9098bbf3 MP |
1462 | exit_cleanup(ret); |
1463 | ||
0f5a04e3 | 1464 | return ret; |
c627d613 | 1465 | } |