Commit | Line | Data |
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0ba48136 | 1 | /* -*- c-file-style: "linux" -*- |
d9c7edf6 | 2 | |
50135767 | 3 | Copyright (C) 1996-2001 by Andrew Tridgell <tridge@samba.org> |
c627d613 | 4 | Copyright (C) Paul Mackerras 1996 |
e5a2b854 | 5 | Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org> |
d9c7edf6 | 6 | |
c627d613 AT |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
d9c7edf6 | 11 | |
c627d613 AT |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
d9c7edf6 | 16 | |
c627d613 AT |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | */ | |
21 | ||
22 | #include "rsync.h" | |
23 | ||
f0fca04e | 24 | time_t starttime = 0; |
a800434a | 25 | |
b35d0d8e | 26 | extern struct stats stats; |
32eda096 | 27 | extern int am_root; |
d9c7edf6 WD |
28 | extern int am_server; |
29 | extern int am_sender; | |
b695f242 | 30 | extern int am_generator; |
d9c7edf6 | 31 | extern int am_daemon; |
7a6421fa | 32 | extern int verbose; |
32eda096 WD |
33 | extern int blocking_io; |
34 | extern int cvs_exclude; | |
35 | extern int delete_mode; | |
36 | extern int delete_excluded; | |
37 | extern int delete_after; | |
38 | extern int daemon_over_rsh; | |
39 | extern int do_stats; | |
40 | extern int dry_run; | |
41 | extern int list_only; | |
42 | extern int local_server; | |
43 | extern int log_got_error; | |
44 | extern int module_id; | |
45 | extern int orig_umask; | |
83926d3c | 46 | extern int keep_dirlinks; |
32eda096 | 47 | extern int preserve_hard_links; |
d04e9c51 | 48 | extern int protocol_version; |
32eda096 WD |
49 | extern int recurse; |
50 | extern int relative_paths; | |
51 | extern int rsync_port; | |
b1df18d7 | 52 | extern int whole_file; |
32eda096 WD |
53 | extern int read_batch; |
54 | extern int write_batch; | |
b9f592fb | 55 | extern int batch_fd; |
32eda096 WD |
56 | extern int filesfrom_fd; |
57 | extern pid_t cleanup_child_pid; | |
58 | extern char *files_from; | |
59 | extern char *remote_filesfrom_file; | |
60 | extern char *rsync_path; | |
61 | extern char *shell_cmd; | |
9b3318b0 | 62 | extern char *batch_name; |
c627d613 | 63 | |
b695f242 | 64 | |
ee7118a8 DD |
65 | /* there's probably never more than at most 2 outstanding child processes, |
66 | * but set it higher just in case. | |
67 | */ | |
68 | #define MAXCHILDPROCS 5 | |
69 | ||
70 | struct pid_status { | |
71 | pid_t pid; | |
72 | int status; | |
73 | } pid_stat_table[MAXCHILDPROCS]; | |
74 | ||
e5a2b854 | 75 | static void show_malloc_stats(void); |
82980a23 AT |
76 | |
77 | /**************************************************************************** | |
78 | wait for a process to exit, calling io_flush while waiting | |
79 | ****************************************************************************/ | |
80 | void wait_process(pid_t pid, int *status) | |
81 | { | |
ee7118a8 DD |
82 | pid_t waited_pid; |
83 | int cnt; | |
84 | ||
85 | while ((waited_pid = waitpid(pid, status, WNOHANG)) == 0) { | |
a24c6870 | 86 | msleep(20); |
f1e3656e | 87 | io_flush(FULL_FLUSH); |
82980a23 | 88 | } |
d9c7edf6 | 89 | |
6fb812f7 | 90 | if (waited_pid == -1 && errno == ECHILD) { |
ee7118a8 DD |
91 | /* status of requested child no longer available. |
92 | * check to see if it was processed by the sigchld_handler. | |
93 | */ | |
94 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { | |
95 | if (pid == pid_stat_table[cnt].pid) { | |
96 | *status = pid_stat_table[cnt].status; | |
97 | pid_stat_table[cnt].pid = 0; | |
98 | break; | |
99 | } | |
100 | } | |
101 | } | |
102 | ||
d9c7edf6 WD |
103 | /* TODO: If the child exited on a signal, then log an |
104 | * appropriate error message. Perhaps we should also accept a | |
105 | * message describing the purpose of the child. Also indicate | |
106 | * this to the caller so that thhey know something went | |
107 | * wrong. */ | |
82980a23 AT |
108 | *status = WEXITSTATUS(*status); |
109 | } | |
110 | ||
b9f592fb WD |
111 | /* This function gets called from all 3 processes. We want the client side |
112 | * to actually output the text, but the sender is the only process that has | |
113 | * all the stats we need. So, if we're a client sender, we do the report. | |
114 | * If we're a server sender, we write the stats on the supplied fd. If | |
115 | * we're the client receiver we read the stats from the supplied fd and do | |
116 | * the report. All processes might also generate a set of debug stats, if | |
117 | * the verbose level is high enough (this is the only thing that the | |
118 | * generator process and the server receiver ever do here). */ | |
c627d613 AT |
119 | static void report(int f) |
120 | { | |
b9f592fb WD |
121 | /* Cache two stats because the read/write code can change it. */ |
122 | int64 total_read = stats.total_read; | |
123 | int64 total_written = stats.total_written; | |
7a6421fa | 124 | time_t t = time(NULL); |
7a6421fa | 125 | |
7bb7058e | 126 | if (do_stats && verbose > 1) { |
5c15e29f | 127 | /* These come out from every process */ |
7bb7058e | 128 | show_malloc_stats(); |
86943126 | 129 | show_flist_stats(); |
5c15e29f MP |
130 | } |
131 | ||
e5fbaa71 S |
132 | if (am_generator) |
133 | return; | |
134 | ||
248fbb8c | 135 | if (am_daemon) { |
a9766ef1 | 136 | log_exit(0, __FILE__, __LINE__); |
83926d3c WD |
137 | if (f == -1 || !am_sender) |
138 | return; | |
248fbb8c AT |
139 | } |
140 | ||
e19452a9 | 141 | if (am_server) { |
3e491682 | 142 | if (am_sender) { |
b9f592fb WD |
143 | write_longint(f, total_read); |
144 | write_longint(f, total_written); | |
145 | write_longint(f, stats.total_size); | |
e19452a9 | 146 | } |
7a6421fa AT |
147 | return; |
148 | } | |
e19452a9 DD |
149 | |
150 | /* this is the client */ | |
d9c7edf6 | 151 | |
3e491682 | 152 | if (!am_sender) { |
b9f592fb WD |
153 | total_written = read_longint(f); |
154 | total_read = read_longint(f); | |
a800434a | 155 | stats.total_size = read_longint(f); |
b9f592fb WD |
156 | } else if (write_batch) { |
157 | /* The --read-batch process is going to be a client | |
158 | * receiver, so we need to give it the stats. */ | |
159 | write_longint(batch_fd, total_read); | |
160 | write_longint(batch_fd, total_written); | |
161 | write_longint(batch_fd, stats.total_size); | |
a800434a AT |
162 | } |
163 | ||
164 | if (do_stats) { | |
1f658d42 | 165 | rprintf(FINFO,"\nNumber of files: %d\n", stats.num_files); |
d9c7edf6 WD |
166 | rprintf(FINFO,"Number of files transferred: %d\n", |
167 | stats.num_transferred_files); | |
168 | rprintf(FINFO,"Total file size: %.0f bytes\n", | |
169 | (double)stats.total_size); | |
170 | rprintf(FINFO,"Total transferred file size: %.0f bytes\n", | |
171 | (double)stats.total_transferred_size); | |
172 | rprintf(FINFO,"Literal data: %.0f bytes\n", | |
173 | (double)stats.literal_data); | |
174 | rprintf(FINFO,"Matched data: %.0f bytes\n", | |
175 | (double)stats.matched_data); | |
1f658d42 | 176 | rprintf(FINFO,"File list size: %d\n", stats.flist_size); |
d9c7edf6 | 177 | rprintf(FINFO,"Total bytes written: %.0f\n", |
b9f592fb | 178 | (double)total_written); |
577ab12c | 179 | rprintf(FINFO,"Total bytes read: %.0f\n", |
b9f592fb | 180 | (double)total_read); |
7a6421fa | 181 | } |
d9c7edf6 | 182 | |
e19452a9 | 183 | if (verbose || do_stats) { |
b9f592fb WD |
184 | rprintf(FINFO, |
185 | "\nwrote %.0f bytes read %.0f bytes %.2f bytes/sec\n", | |
186 | (double)total_written, (double)total_read, | |
187 | (total_written + total_read)/(0.5 + (t - starttime))); | |
188 | rprintf(FINFO, "total size is %.0f speedup is %.2f\n", | |
d9c7edf6 | 189 | (double)stats.total_size, |
b9f592fb | 190 | (double)stats.total_size / (total_written+total_read)); |
e19452a9 | 191 | } |
fc8a6b97 AT |
192 | |
193 | fflush(stdout); | |
194 | fflush(stderr); | |
c627d613 AT |
195 | } |
196 | ||
197 | ||
e5a2b854 MP |
198 | /** |
199 | * If our C library can get malloc statistics, then show them to FINFO | |
200 | **/ | |
201 | static void show_malloc_stats(void) | |
202 | { | |
203 | #ifdef HAVE_MALLINFO | |
204 | struct mallinfo mi; | |
205 | ||
206 | mi = mallinfo(); | |
207 | ||
ce672562 | 208 | rprintf(FINFO, "\n" RSYNC_NAME "[%d] (%s%s%s) heap statistics:\n", |
5c15e29f MP |
209 | getpid(), |
210 | am_server ? "server " : "", | |
211 | am_daemon ? "daemon " : "", | |
b695f242 | 212 | who_am_i()); |
e5a2b854 MP |
213 | rprintf(FINFO, " arena: %10d (bytes from sbrk)\n", mi.arena); |
214 | rprintf(FINFO, " ordblks: %10d (chunks not in use)\n", mi.ordblks); | |
215 | rprintf(FINFO, " smblks: %10d\n", mi.smblks); | |
216 | rprintf(FINFO, " hblks: %10d (chunks from mmap)\n", mi.hblks); | |
217 | rprintf(FINFO, " hblkhd: %10d (bytes from mmap)\n", mi.hblkhd); | |
7b74bba1 S |
218 | rprintf(FINFO, " allmem: %10d (bytes from sbrk + mmap)\n", |
219 | mi.arena + mi.hblkhd); | |
e5a2b854 MP |
220 | rprintf(FINFO, " usmblks: %10d\n", mi.usmblks); |
221 | rprintf(FINFO, " fsmblks: %10d\n", mi.fsmblks); | |
222 | rprintf(FINFO, " uordblks: %10d (bytes used)\n", mi.uordblks); | |
223 | rprintf(FINFO, " fordblks: %10d (bytes free)\n", mi.fordblks); | |
224 | rprintf(FINFO, " keepcost: %10d (bytes in releasable chunk)\n", mi.keepcost); | |
225 | #endif /* HAVE_MALLINFO */ | |
226 | } | |
227 | ||
228 | ||
0882faa2 | 229 | /* Start the remote shell. cmd may be NULL to use the default. */ |
6c2e5b56 WD |
230 | static pid_t do_cmd(char *cmd, char *machine, char *user, char *path, |
231 | int *f_in, int *f_out) | |
c627d613 | 232 | { |
6c2e5b56 | 233 | int i, argc = 0; |
887e553f | 234 | char *args[MAX_ARGS]; |
19b27a48 | 235 | pid_t ret; |
6c2e5b56 | 236 | char *tok, *dir = NULL; |
bb4aa89c | 237 | int dash_l_set = 0; |
366345fe | 238 | |
088aac85 | 239 | if (!read_batch && !local_server) { |
9af87151 | 240 | char *rsh_env = getenv(RSYNC_RSH_ENV); |
366345fe | 241 | if (!cmd) |
9af87151 | 242 | cmd = rsh_env; |
366345fe AT |
243 | if (!cmd) |
244 | cmd = RSYNC_RSH; | |
245 | cmd = strdup(cmd); | |
d9c7edf6 | 246 | if (!cmd) |
366345fe AT |
247 | goto oom; |
248 | ||
887e553f | 249 | for (tok = strtok(cmd, " "); tok; tok = strtok(NULL, " ")) { |
e7a392c7 WD |
250 | /* Comparison leaves rooms for server_options(). */ |
251 | if (argc >= MAX_ARGS - 100) { | |
252 | rprintf(FERROR, "internal: args[] overflowed in do_cmd()\n"); | |
887e553f WD |
253 | exit_cleanup(RERR_SYNTAX); |
254 | } | |
366345fe | 255 | args[argc++] = tok; |
887e553f | 256 | } |
c627d613 | 257 | |
d9c7edf6 | 258 | /* check to see if we've already been given '-l user' in |
9af87151 | 259 | * the remote-shell command */ |
bb4aa89c WD |
260 | for (i = 0; i < argc-1; i++) { |
261 | if (!strcmp(args[i], "-l") && args[i+1][0] != '-') | |
262 | dash_l_set = 1; | |
263 | } | |
264 | ||
7b8356d0 | 265 | #if HAVE_REMSH |
366345fe AT |
266 | /* remsh (on HPUX) takes the arguments the other way around */ |
267 | args[argc++] = machine; | |
bb4aa89c | 268 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
269 | args[argc++] = "-l"; |
270 | args[argc++] = user; | |
271 | } | |
7b8356d0 | 272 | #else |
bb4aa89c | 273 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
274 | args[argc++] = "-l"; |
275 | args[argc++] = user; | |
276 | } | |
277 | args[argc++] = machine; | |
7b8356d0 | 278 | #endif |
c627d613 | 279 | |
366345fe | 280 | args[argc++] = rsync_path; |
c627d613 | 281 | |
9af87151 | 282 | if (blocking_io < 0) { |
90e22f4b WD |
283 | char *cp; |
284 | if ((cp = strrchr(cmd, '/')) != NULL) | |
285 | cp++; | |
286 | else | |
287 | cp = cmd; | |
288 | if (strcmp(cp, "rsh") == 0 || strcmp(cp, "remsh") == 0) | |
289 | blocking_io = 1; | |
66b71163 | 290 | } |
e384bfbd | 291 | |
93689aa5 | 292 | server_options(args,&argc); |
e7a392c7 WD |
293 | |
294 | if (argc >= MAX_ARGS - 2) { | |
295 | rprintf(FERROR, "internal: args[] overflowed in do_cmd()\n"); | |
296 | exit_cleanup(RERR_SYNTAX); | |
297 | } | |
366345fe | 298 | } |
c627d613 | 299 | |
366345fe | 300 | args[argc++] = "."; |
76076c4b | 301 | |
d9c7edf6 | 302 | if (!daemon_over_rsh && path && *path) |
366345fe | 303 | args[argc++] = path; |
c627d613 | 304 | |
366345fe | 305 | args[argc] = NULL; |
c627d613 | 306 | |
366345fe | 307 | if (verbose > 3) { |
9486289c | 308 | rprintf(FINFO,"cmd="); |
e7a392c7 | 309 | for (i = 0; i < argc; i++) |
9486289c AT |
310 | rprintf(FINFO,"%s ",args[i]); |
311 | rprintf(FINFO,"\n"); | |
366345fe AT |
312 | } |
313 | ||
314 | if (local_server) { | |
b1df18d7 WD |
315 | /* If the user didn't request --[no-]whole-file, force |
316 | * it on, but only if we're not batch processing. */ | |
317 | if (whole_file < 0 && !read_batch && !write_batch) | |
318 | whole_file = 1; | |
25d34a5c | 319 | ret = local_child(argc, args, f_in, f_out, child_main); |
366345fe AT |
320 | } else { |
321 | ret = piped_child(args,f_in,f_out); | |
322 | } | |
c627d613 | 323 | |
3a69fad0 WD |
324 | if (dir) |
325 | free(dir); | |
82306bf6 | 326 | |
366345fe | 327 | return ret; |
c627d613 AT |
328 | |
329 | oom: | |
366345fe AT |
330 | out_of_memory("do_cmd"); |
331 | return 0; /* not reached */ | |
c627d613 AT |
332 | } |
333 | ||
334 | ||
c627d613 AT |
335 | static char *get_local_name(struct file_list *flist,char *name) |
336 | { | |
7a6421fa | 337 | STRUCT_STAT st; |
87cc45e1 | 338 | int e; |
c627d613 | 339 | |
c95da96a | 340 | if (verbose > 2) |
d9c7edf6 | 341 | rprintf(FINFO,"get_local_name count=%d %s\n", |
1f0610ef DD |
342 | flist->count, NS(name)); |
343 | ||
d9c7edf6 | 344 | if (!name) |
1f0610ef | 345 | return NULL; |
c95da96a | 346 | |
1ff5450d AT |
347 | if (do_stat(name,&st) == 0) { |
348 | if (S_ISDIR(st.st_mode)) { | |
59187666 | 349 | if (!push_dir(name)) { |
982e05bb WD |
350 | rsyserr(FERROR, errno, "push_dir#1 %s failed", |
351 | full_fname(name)); | |
65417579 | 352 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
353 | } |
354 | return NULL; | |
355 | } | |
356 | if (flist->count > 1) { | |
357 | rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n"); | |
65417579 | 358 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
359 | } |
360 | return name; | |
361 | } | |
362 | ||
87cc45e1 | 363 | if (flist->count <= 1 && ((e = strlen(name)) <= 1 || name[e-1] != '/')) |
1ff5450d AT |
364 | return name; |
365 | ||
1ff5450d | 366 | if (do_mkdir(name,0777 & ~orig_umask) != 0) { |
982e05bb | 367 | rsyserr(FERROR, errno, "mkdir %s failed", full_fname(name)); |
65417579 | 368 | exit_cleanup(RERR_FILEIO); |
1ff5450d | 369 | } else { |
b536f47e AT |
370 | if (verbose > 0) |
371 | rprintf(FINFO,"created directory %s\n",name); | |
1ff5450d AT |
372 | } |
373 | ||
59187666 | 374 | if (!push_dir(name)) { |
982e05bb WD |
375 | rsyserr(FERROR, errno, "push_dir#2 %s failed", |
376 | full_fname(name)); | |
65417579 | 377 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
378 | } |
379 | ||
380 | return NULL; | |
c627d613 AT |
381 | } |
382 | ||
383 | ||
9486289c | 384 | static void do_server_sender(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 385 | { |
7a6421fa AT |
386 | int i; |
387 | struct file_list *flist; | |
388 | char *dir = argv[0]; | |
c627d613 | 389 | |
45e08edb WD |
390 | if (verbose > 2) { |
391 | rprintf(FINFO, "server_sender starting pid=%ld\n", | |
392 | (long)getpid()); | |
393 | } | |
d9c7edf6 | 394 | |
7a92ded3 WD |
395 | if (am_daemon && lp_write_only(module_id) && am_sender) { |
396 | rprintf(FERROR, "ERROR: module is write only\n"); | |
397 | exit_cleanup(RERR_SYNTAX); | |
398 | return; | |
399 | } | |
400 | ||
59187666 | 401 | if (!relative_paths && !push_dir(dir)) { |
982e05bb WD |
402 | rsyserr(FERROR, errno, "push_dir#3 %s failed", |
403 | full_fname(dir)); | |
65417579 | 404 | exit_cleanup(RERR_FILESELECT); |
7a6421fa AT |
405 | } |
406 | argc--; | |
407 | argv++; | |
d9c7edf6 | 408 | |
7a6421fa AT |
409 | if (strcmp(dir,".")) { |
410 | int l = strlen(dir); | |
d9c7edf6 | 411 | if (strcmp(dir,"/") == 0) |
7a6421fa | 412 | l = 0; |
e7a392c7 | 413 | for (i = 0; i < argc; i++) |
7a6421fa AT |
414 | argv[i] += l+1; |
415 | } | |
c627d613 | 416 | |
7a6421fa | 417 | if (argc == 0 && recurse) { |
e1f67417 | 418 | argc = 1; |
7a6421fa AT |
419 | argv--; |
420 | argv[0] = "."; | |
421 | } | |
d9c7edf6 | 422 | |
7a6421fa | 423 | flist = send_file_list(f_out,argc,argv); |
8d9dc9f9 AT |
424 | if (!flist || flist->count == 0) { |
425 | exit_cleanup(0); | |
426 | } | |
427 | ||
76c21947 WD |
428 | io_start_buffering_in(f_in); |
429 | io_start_buffering_out(f_out); | |
7a6421fa | 430 | send_files(flist,f_out,f_in); |
f1e3656e | 431 | io_flush(FULL_FLUSH); |
7a6421fa | 432 | report(f_out); |
d04e9c51 | 433 | if (protocol_version >= 24) { |
d9c7edf6 | 434 | /* final goodbye message */ |
64c3523a WD |
435 | read_int(f_in); |
436 | } | |
f1e3656e | 437 | io_flush(FULL_FLUSH); |
7a6421fa | 438 | exit_cleanup(0); |
c627d613 AT |
439 | } |
440 | ||
441 | ||
dc5ddbcc AT |
442 | static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name) |
443 | { | |
d186eb1a | 444 | int pid; |
e1f67417 | 445 | int status = 0; |
554e0a8d | 446 | int error_pipe[2]; |
dc5ddbcc | 447 | |
d186eb1a AT |
448 | if (preserve_hard_links) |
449 | init_hard_links(flist); | |
dc5ddbcc | 450 | |
6957ae33 AT |
451 | if (!delete_after) { |
452 | /* I moved this here from recv_files() to prevent a race condition */ | |
453 | if (recurse && delete_mode && !local_name && flist->count>0) { | |
454 | delete_files(flist); | |
455 | } | |
456 | } | |
457 | ||
08f15335 | 458 | if (fd_pair(error_pipe) < 0) { |
554e0a8d AT |
459 | rprintf(FERROR,"error pipe failed in do_recv\n"); |
460 | exit_cleanup(RERR_SOCKETIO); | |
461 | } | |
d9c7edf6 | 462 | |
f1e3656e | 463 | io_flush(NORMAL_FLUSH); |
c6e7fcb4 | 464 | |
e1f67417 | 465 | if ((pid = do_fork()) == 0) { |
554e0a8d | 466 | close(error_pipe[0]); |
3a69fad0 WD |
467 | if (f_in != f_out) |
468 | close(f_out); | |
e08c9610 | 469 | |
554e0a8d AT |
470 | /* we can't let two processes write to the socket at one time */ |
471 | io_multiplexing_close(); | |
472 | ||
473 | /* set place to send errors */ | |
f1e3656e | 474 | set_msg_fd_out(error_pipe[1]); |
554e0a8d | 475 | |
f1e3656e WD |
476 | recv_files(f_in,flist,local_name); |
477 | io_flush(FULL_FLUSH); | |
ba5e128d | 478 | report(f_in); |
e08c9610 | 479 | |
f1e3656e WD |
480 | send_msg(MSG_DONE, "", 0); |
481 | io_flush(FULL_FLUSH); | |
4a748188 | 482 | /* finally we go to sleep until our parent kills us |
9af87151 WD |
483 | * with a USR2 signal. We sleep for a short time as on |
484 | * some OSes a signal won't interrupt a sleep! */ | |
f1e3656e WD |
485 | while (1) |
486 | msleep(20); | |
d186eb1a | 487 | } |
dc5ddbcc | 488 | |
b695f242 | 489 | am_generator = 1; |
b9f592fb WD |
490 | if (write_batch) |
491 | stop_write_batch(); | |
b695f242 | 492 | |
554e0a8d | 493 | close(error_pipe[1]); |
3a69fad0 WD |
494 | if (f_in != f_out) |
495 | close(f_in); | |
e1b3d5c4 | 496 | |
76c21947 | 497 | io_start_buffering_out(f_out); |
b3e10ed7 | 498 | |
f1e3656e | 499 | set_msg_fd_in(error_pipe[0]); |
554e0a8d | 500 | |
f1e3656e | 501 | generate_files(f_out, flist, local_name); |
8d9dc9f9 | 502 | |
40da9042 | 503 | get_redo_num(); /* Read final MSG_DONE and any prior messages. */ |
e5fbaa71 | 504 | report(-1); |
f1e3656e | 505 | io_flush(FULL_FLUSH); |
d04e9c51 | 506 | if (protocol_version >= 24) { |
8ada7518 AT |
507 | /* send a final goodbye message */ |
508 | write_int(f_out, -1); | |
509 | } | |
f1e3656e | 510 | io_flush(FULL_FLUSH); |
8ada7518 | 511 | |
f1e3656e | 512 | set_msg_fd_in(-1); |
089a2435 | 513 | kill(pid, SIGUSR2); |
d79d1c69 | 514 | wait_process(pid, &status); |
d186eb1a | 515 | return status; |
dc5ddbcc AT |
516 | } |
517 | ||
c627d613 | 518 | |
9486289c | 519 | static void do_server_recv(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 520 | { |
7a6421fa AT |
521 | int status; |
522 | struct file_list *flist; | |
6c2e5b56 | 523 | char *local_name = NULL; |
7a6421fa | 524 | char *dir = NULL; |
f0fca04e | 525 | |
45e08edb WD |
526 | if (verbose > 2) { |
527 | rprintf(FINFO, "server_recv(%d) starting pid=%ld\n", | |
528 | argc, (long)getpid()); | |
529 | } | |
09b7f5db AT |
530 | |
531 | if (am_daemon && lp_read_only(module_id) && !am_sender) { | |
532 | rprintf(FERROR,"ERROR: module is read only\n"); | |
533 | exit_cleanup(RERR_SYNTAX); | |
534 | return; | |
535 | } | |
536 | ||
d9c7edf6 | 537 | |
7a6421fa AT |
538 | if (argc > 0) { |
539 | dir = argv[0]; | |
540 | argc--; | |
541 | argv++; | |
59187666 | 542 | if (!am_daemon && !push_dir(dir)) { |
982e05bb WD |
543 | rsyserr(FERROR, errno, "push_dir#4 %s failed", |
544 | full_fname(dir)); | |
65417579 | 545 | exit_cleanup(RERR_FILESELECT); |
d9c7edf6 | 546 | } |
7a6421fa | 547 | } |
c627d613 | 548 | |
76c21947 | 549 | io_start_buffering_in(f_in); |
b33b791e | 550 | if (delete_mode && !delete_excluded) |
7a6421fa | 551 | recv_exclude_list(f_in); |
c627d613 | 552 | |
7c2a9e76 WD |
553 | if (filesfrom_fd >= 0) { |
554 | /* We're receiving the file info from the sender, so we need | |
555 | * the IO routines to automatically write out the names onto | |
556 | * our f_out socket as we read the list info from the sender. | |
557 | * This avoids both deadlock and extra delays/buffers. */ | |
558 | io_set_filesfrom_fds(filesfrom_fd, f_out); | |
559 | filesfrom_fd = -1; | |
560 | } | |
561 | ||
b9f592fb | 562 | flist = recv_file_list(f_in); |
4c36a13e AT |
563 | if (!flist) { |
564 | rprintf(FERROR,"server_recv: recv_file_list error\n"); | |
65417579 | 565 | exit_cleanup(RERR_FILESELECT); |
7a6421fa | 566 | } |
d9c7edf6 WD |
567 | |
568 | if (argc > 0) { | |
7a6421fa AT |
569 | if (strcmp(dir,".")) { |
570 | argv[0] += strlen(dir); | |
3a69fad0 WD |
571 | if (argv[0][0] == '/') |
572 | argv[0]++; | |
7a6421fa AT |
573 | } |
574 | local_name = get_local_name(flist,argv[0]); | |
575 | } | |
c627d613 | 576 | |
7a6421fa AT |
577 | status = do_recv(f_in,f_out,flist,local_name); |
578 | exit_cleanup(status); | |
c627d613 AT |
579 | } |
580 | ||
581 | ||
734a94a2 | 582 | int child_main(int argc, char *argv[]) |
25d34a5c MP |
583 | { |
584 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); | |
734a94a2 | 585 | return 0; |
25d34a5c MP |
586 | } |
587 | ||
588 | ||
9486289c | 589 | void start_server(int f_in, int f_out, int argc, char *argv[]) |
366345fe | 590 | { |
6d7b6081 AT |
591 | setup_protocol(f_out, f_in); |
592 | ||
f0359dd0 AT |
593 | set_nonblocking(f_in); |
594 | set_nonblocking(f_out); | |
595 | ||
d04e9c51 | 596 | if (protocol_version >= 23) |
ff41a59f | 597 | io_start_multiplex_out(f_out); |
7a6421fa | 598 | |
7a6421fa | 599 | if (am_sender) { |
83926d3c | 600 | keep_dirlinks = 0; /* Must be disabled on the sender. */ |
9b3318b0 | 601 | |
b9f592fb WD |
602 | recv_exclude_list(f_in); |
603 | if (cvs_exclude) | |
604 | add_cvs_excludes(); | |
7a6421fa AT |
605 | do_server_sender(f_in, f_out, argc, argv); |
606 | } else { | |
607 | do_server_recv(f_in, f_out, argc, argv); | |
608 | } | |
609 | exit_cleanup(0); | |
366345fe AT |
610 | } |
611 | ||
0ba48136 MP |
612 | |
613 | /* | |
614 | * This is called once the connection has been negotiated. It is used | |
615 | * for rsyncd, remote-shell, and local connections. | |
616 | */ | |
19b27a48 | 617 | int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[]) |
9486289c | 618 | { |
088aac85 | 619 | struct file_list *flist = NULL; |
9486289c AT |
620 | int status = 0, status2 = 0; |
621 | char *local_name = NULL; | |
19b27a48 AT |
622 | |
623 | cleanup_child_pid = pid; | |
b9f592fb WD |
624 | if (read_batch) { |
625 | /* This is the heart of the read_batch approach: | |
626 | * Switcher-roo the file descriptors, and | |
627 | * nobody's the wiser. */ | |
628 | close(f_in); | |
629 | close(f_out); | |
630 | f_in = batch_fd; | |
631 | f_out = do_open("/dev/null", O_WRONLY, 0); | |
632 | assert(am_sender == 0); | |
633 | } else { | |
634 | set_nonblocking(f_in); | |
635 | set_nonblocking(f_out); | |
636 | } | |
f0359dd0 | 637 | |
6d7b6081 AT |
638 | setup_protocol(f_out,f_in); |
639 | ||
b9f592fb | 640 | if (protocol_version >= 23 && !read_batch) |
ff41a59f | 641 | io_start_multiplex_in(f_in); |
d9c7edf6 | 642 | |
9486289c | 643 | if (am_sender) { |
83926d3c | 644 | keep_dirlinks = 0; /* Must be disabled on the sender. */ |
76c21947 | 645 | io_start_buffering_out(f_out); |
9486289c AT |
646 | if (cvs_exclude) |
647 | add_cvs_excludes(); | |
d9c7edf6 | 648 | if (delete_mode && !delete_excluded) |
9486289c | 649 | send_exclude_list(f_out); |
7c2a9e76 WD |
650 | if (remote_filesfrom_file) |
651 | filesfrom_fd = f_in; | |
b9f592fb WD |
652 | |
653 | if (write_batch) | |
654 | start_write_batch(f_out); | |
655 | /* Can be unconditional, but this is theoretically | |
656 | * more efficent for read_batch case. */ | |
64c3523a | 657 | if (!read_batch) /* don't write to pipe */ |
d9c7edf6 WD |
658 | flist = send_file_list(f_out,argc,argv); |
659 | if (verbose > 3) | |
9486289c | 660 | rprintf(FINFO,"file list sent\n"); |
e1b3d5c4 | 661 | |
f1e3656e | 662 | io_flush(NORMAL_FLUSH); |
9486289c | 663 | send_files(flist,f_out,f_in); |
f1e3656e | 664 | io_flush(FULL_FLUSH); |
d04e9c51 | 665 | if (protocol_version >= 24) { |
d9c7edf6 | 666 | /* final goodbye message */ |
6c65e146 AT |
667 | read_int(f_in); |
668 | } | |
9486289c AT |
669 | if (pid != -1) { |
670 | if (verbose > 3) | |
08a740ff | 671 | rprintf(FINFO,"client_run waiting on %d\n", (int) pid); |
f1e3656e | 672 | io_flush(FULL_FLUSH); |
d79d1c69 | 673 | wait_process(pid, &status); |
9486289c | 674 | } |
3d382777 | 675 | report(-1); |
f1e3656e | 676 | io_flush(FULL_FLUSH); |
9486289c AT |
677 | exit_cleanup(status); |
678 | } | |
f7632fc6 | 679 | |
1082b52b | 680 | if (argc == 0) |
27e3e9c9 | 681 | list_only = 1; |
d9c7edf6 | 682 | |
b9f592fb WD |
683 | /* Can be unconditional, but this is theoretically more |
684 | * efficient for the read_batch case. */ | |
1082b52b | 685 | if (!read_batch) |
d9c7edf6 WD |
686 | send_exclude_list(f_out); |
687 | ||
7c2a9e76 WD |
688 | if (filesfrom_fd >= 0) { |
689 | io_set_filesfrom_fds(filesfrom_fd, f_out); | |
690 | filesfrom_fd = -1; | |
691 | } | |
692 | ||
b9f592fb WD |
693 | if (write_batch) |
694 | start_write_batch(f_in); | |
9486289c AT |
695 | flist = recv_file_list(f_in); |
696 | if (!flist || flist->count == 0) { | |
796d484b | 697 | rprintf(FINFO, "client: nothing to do: " |
d9c7edf6 WD |
698 | "perhaps you need to specify some filenames or " |
699 | "the --recursive option?\n"); | |
9486289c AT |
700 | exit_cleanup(0); |
701 | } | |
d9c7edf6 | 702 | |
9486289c | 703 | local_name = get_local_name(flist,argv[0]); |
d9c7edf6 | 704 | |
9486289c | 705 | status2 = do_recv(f_in,f_out,flist,local_name); |
d9c7edf6 | 706 | |
9486289c | 707 | if (pid != -1) { |
8d9dc9f9 | 708 | if (verbose > 3) |
08a740ff | 709 | rprintf(FINFO,"client_run2 waiting on %d\n", (int) pid); |
f1e3656e | 710 | io_flush(FULL_FLUSH); |
d79d1c69 | 711 | wait_process(pid, &status); |
9486289c | 712 | } |
d9c7edf6 | 713 | |
ff81e809 | 714 | return MAX(status, status2); |
9486289c AT |
715 | } |
716 | ||
7169bb4a MP |
717 | static int copy_argv (char *argv[]) |
718 | { | |
719 | int i; | |
720 | ||
721 | for (i = 0; argv[i]; i++) { | |
722 | if (!(argv[i] = strdup(argv[i]))) { | |
723 | rprintf (FERROR, "out of memory at %s(%d)\n", | |
724 | __FILE__, __LINE__); | |
725 | return RERR_MALLOC; | |
726 | } | |
727 | } | |
728 | ||
729 | return 0; | |
730 | } | |
731 | ||
732 | ||
c1a04ecb | 733 | /** |
0ba48136 MP |
734 | * Start a client for either type of remote connection. Work out |
735 | * whether the arguments request a remote shell or rsyncd connection, | |
736 | * and call the appropriate connection function, then run_client. | |
0b4af330 MP |
737 | * |
738 | * Calls either start_socket_client (for sockets) or do_cmd and | |
739 | * client_run (for ssh). | |
c1a04ecb | 740 | **/ |
fc8a6b97 | 741 | static int start_client(int argc, char *argv[]) |
5d6bcd44 AT |
742 | { |
743 | char *p; | |
744 | char *shell_machine = NULL; | |
745 | char *shell_path = NULL; | |
746 | char *shell_user = NULL; | |
19b27a48 AT |
747 | int ret; |
748 | pid_t pid; | |
5d6bcd44 | 749 | int f_in,f_out; |
7169bb4a MP |
750 | int rc; |
751 | ||
752 | /* Don't clobber argv[] so that ps(1) can still show the right | |
d9c7edf6 | 753 | * command line. */ |
75aeac44 | 754 | if ((rc = copy_argv(argv))) |
7169bb4a | 755 | return rc; |
5d6bcd44 | 756 | |
75aeac44 | 757 | /* rsync:// always uses rsync server over direct socket connection */ |
b9f592fb WD |
758 | if (strncasecmp(URL_PREFIX, argv[0], strlen(URL_PREFIX)) == 0 |
759 | && !read_batch) { | |
f7632fc6 AT |
760 | char *host, *path; |
761 | ||
7169bb4a | 762 | host = argv[0] + strlen(URL_PREFIX); |
f7632fc6 AT |
763 | p = strchr(host,'/'); |
764 | if (p) { | |
765 | *p = 0; | |
766 | path = p+1; | |
767 | } else { | |
a125c82a | 768 | path = ""; |
f7632fc6 | 769 | } |
2acf81eb DD |
770 | p = strchr(host,':'); |
771 | if (p) { | |
772 | rsync_port = atoi(p+1); | |
773 | *p = 0; | |
774 | } | |
f7632fc6 AT |
775 | return start_socket_client(host, path, argc-1, argv+1); |
776 | } | |
777 | ||
d16c245f | 778 | if (!read_batch) { /* for read_batch, NO source is specified */ |
a125c82a | 779 | p = find_colon(argv[0]); |
d16c245f | 780 | if (p) { /* source is remote */ |
7c2a9e76 WD |
781 | if (remote_filesfrom_file |
782 | && remote_filesfrom_file != files_from + 1 | |
783 | && strncmp(files_from, argv[0], p-argv[0]+1) != 0) { | |
784 | rprintf(FERROR, | |
785 | "--files-from hostname is not transfer hostname\n"); | |
786 | exit_cleanup(RERR_SYNTAX); | |
787 | } | |
d9c7edf6 WD |
788 | if (p[1] == ':') { /* double colon */ |
789 | *p = 0; | |
790 | if (!shell_cmd) { | |
791 | return start_socket_client(argv[0], p+2, | |
792 | argc-1, argv+1); | |
793 | } | |
794 | p++; | |
795 | daemon_over_rsh = 1; | |
75aeac44 | 796 | } |
3591c066 | 797 | |
d16c245f | 798 | if (argc < 1) { /* destination required */ |
d9c7edf6 WD |
799 | usage(FERROR); |
800 | exit_cleanup(RERR_SYNTAX); | |
801 | } | |
a125c82a | 802 | |
d9c7edf6 WD |
803 | am_sender = 0; |
804 | *p = 0; | |
805 | shell_machine = argv[0]; | |
806 | shell_path = p+1; | |
d9c7edf6 | 807 | argv++; |
d16c245f | 808 | } else { /* source is local */ |
d9c7edf6 WD |
809 | am_sender = 1; |
810 | ||
811 | /* rsync:// destination uses rsync server over direct socket */ | |
812 | if (strncasecmp(URL_PREFIX, argv[argc-1], strlen(URL_PREFIX)) == 0) { | |
813 | char *host, *path; | |
814 | ||
815 | host = argv[argc-1] + strlen(URL_PREFIX); | |
816 | p = strchr(host,'/'); | |
817 | if (p) { | |
818 | *p = 0; | |
819 | path = p+1; | |
820 | } else { | |
821 | path = ""; | |
822 | } | |
823 | p = strchr(host,':'); | |
824 | if (p) { | |
825 | rsync_port = atoi(p+1); | |
826 | *p = 0; | |
827 | } | |
828 | return start_socket_client(host, path, argc-1, argv); | |
a125c82a | 829 | } |
d9c7edf6 | 830 | |
d16c245f | 831 | p = find_colon(argv[argc-1]); /* look in dest arg */ |
7c2a9e76 WD |
832 | if (p && remote_filesfrom_file |
833 | && remote_filesfrom_file != files_from + 1 | |
834 | && strncmp(files_from, argv[argc-1], p-argv[argc-1]+1) != 0) { | |
835 | rprintf(FERROR, | |
836 | "--files-from hostname is not transfer hostname\n"); | |
837 | exit_cleanup(RERR_SYNTAX); | |
838 | } | |
d16c245f | 839 | if (!p) { /* no colon found, so src & dest are local */ |
d9c7edf6 | 840 | local_server = 1; |
7c2a9e76 WD |
841 | if (remote_filesfrom_file) { |
842 | rprintf(FERROR, | |
843 | "--files-from is remote but transfer is local\n"); | |
844 | exit_cleanup(RERR_SYNTAX); | |
845 | } | |
d9c7edf6 | 846 | } else if (p[1] == ':') { /* double colon */ |
a125c82a | 847 | *p = 0; |
d9c7edf6 WD |
848 | if (!shell_cmd) { |
849 | return start_socket_client(argv[argc-1], p+2, | |
850 | argc-1, argv); | |
851 | } | |
852 | p++; | |
853 | daemon_over_rsh = 1; | |
a125c82a | 854 | } |
a125c82a | 855 | |
d9c7edf6 WD |
856 | if (argc < 2) { |
857 | usage(FERROR); | |
858 | exit_cleanup(RERR_SYNTAX); | |
75aeac44 | 859 | } |
3591c066 | 860 | |
d9c7edf6 WD |
861 | if (local_server) { |
862 | shell_machine = NULL; | |
863 | shell_path = argv[argc-1]; | |
864 | } else { | |
865 | *p = 0; | |
866 | shell_machine = argv[argc-1]; | |
867 | shell_path = p+1; | |
868 | } | |
5d6bcd44 | 869 | } |
d16c245f WD |
870 | argc--; |
871 | } else { /* read_batch */ | |
d9c7edf6 WD |
872 | local_server = 1; |
873 | shell_path = argv[argc-1]; | |
b9f592fb WD |
874 | if (find_colon(shell_path)) { |
875 | rprintf(FERROR, "remote destination is not allowed with --read-batch\n"); | |
876 | exit_cleanup(RERR_SYNTAX); | |
877 | } | |
6902ed17 MP |
878 | } |
879 | ||
5d6bcd44 | 880 | if (shell_machine) { |
6fc048f4 | 881 | p = strrchr(shell_machine,'@'); |
5d6bcd44 AT |
882 | if (p) { |
883 | *p = 0; | |
884 | shell_user = shell_machine; | |
885 | shell_machine = p+1; | |
886 | } | |
887 | } | |
888 | ||
889 | if (verbose > 3) { | |
9486289c | 890 | rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n", |
5d6bcd44 AT |
891 | shell_cmd?shell_cmd:"", |
892 | shell_machine?shell_machine:"", | |
893 | shell_user?shell_user:"", | |
894 | shell_path?shell_path:""); | |
895 | } | |
d9c7edf6 | 896 | |
d16c245f | 897 | /* for remote source, only single dest arg can remain ... */ |
f7632fc6 | 898 | if (!am_sender && argc > 1) { |
5d6bcd44 | 899 | usage(FERROR); |
65417579 | 900 | exit_cleanup(RERR_SYNTAX); |
5d6bcd44 | 901 | } |
27e3e9c9 | 902 | |
d16c245f WD |
903 | /* ... or no dest at all */ |
904 | if (!am_sender && argc == 0) { | |
27e3e9c9 AT |
905 | list_only = 1; |
906 | } | |
d9c7edf6 | 907 | |
75aeac44 WD |
908 | pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path, |
909 | &f_in,&f_out); | |
910 | ||
911 | /* if we're running an rsync server on the remote host over a | |
9af87151 | 912 | * remote shell command, we need to do the RSYNCD protocol first */ |
75aeac44 WD |
913 | if (daemon_over_rsh) { |
914 | int tmpret; | |
915 | tmpret = start_inband_exchange(shell_user, shell_path, | |
916 | f_in, f_out, argc); | |
917 | if (tmpret < 0) | |
918 | return tmpret; | |
919 | } | |
920 | ||
fc8a6b97 AT |
921 | ret = client_run(f_in, f_out, pid, argc, argv); |
922 | ||
923 | fflush(stdout); | |
924 | fflush(stderr); | |
925 | ||
926 | return ret; | |
5d6bcd44 AT |
927 | } |
928 | ||
366345fe | 929 | |
067669da WD |
930 | static RETSIGTYPE sigusr1_handler(UNUSED(int val)) |
931 | { | |
65417579 | 932 | exit_cleanup(RERR_SIGNAL); |
82306bf6 AT |
933 | } |
934 | ||
067669da WD |
935 | static RETSIGTYPE sigusr2_handler(UNUSED(int val)) |
936 | { | |
19b27a48 | 937 | if (log_got_error) _exit(RERR_PARTIAL); |
8b35435f AT |
938 | _exit(0); |
939 | } | |
940 | ||
067669da WD |
941 | static RETSIGTYPE sigchld_handler(UNUSED(int val)) |
942 | { | |
029c1713 | 943 | #ifdef WNOHANG |
ee7118a8 DD |
944 | int cnt, status; |
945 | pid_t pid; | |
946 | /* An empty waitpid() loop was put here by Tridge and we could never | |
d9c7edf6 | 947 | * get him to explain why he put it in, so rather than taking it |
ee7118a8 DD |
948 | * out we're instead saving the child exit statuses for later use. |
949 | * The waitpid() loop presumably eliminates all possibility of leaving | |
950 | * zombie children, maybe that's why he did it. | |
951 | */ | |
952 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0) { | |
9af87151 WD |
953 | /* save the child's exit status */ |
954 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { | |
955 | if (pid_stat_table[cnt].pid == 0) { | |
956 | pid_stat_table[cnt].pid = pid; | |
957 | pid_stat_table[cnt].status = status; | |
958 | break; | |
959 | } | |
960 | } | |
ee7118a8 | 961 | } |
029c1713 | 962 | #endif |
19b27a48 AT |
963 | } |
964 | ||
c0531332 MP |
965 | |
966 | /** | |
967 | * This routine catches signals and tries to send them to gdb. | |
968 | * | |
969 | * Because it's called from inside a signal handler it ought not to | |
970 | * use too many library routines. | |
971 | * | |
972 | * @todo Perhaps use "screen -X" instead/as well, to help people | |
973 | * debugging without easy access to X. Perhaps use an environment | |
974 | * variable, or just call a script? | |
975 | * | |
976 | * @todo The /proc/ magic probably only works on Linux (and | |
977 | * Solaris?) Can we be more portable? | |
978 | **/ | |
979 | #ifdef MAINTAINER_MODE | |
4fdc39dd MP |
980 | const char *get_panic_action(void) |
981 | { | |
982 | const char *cmd_fmt = getenv("RSYNC_PANIC_ACTION"); | |
983 | ||
984 | if (cmd_fmt) | |
985 | return cmd_fmt; | |
986 | else | |
987 | return "xterm -display :0 -T Panic -n Panic " | |
988 | "-e gdb /proc/%d/exe %d"; | |
989 | } | |
990 | ||
991 | ||
9fb3f7a9 MP |
992 | /** |
993 | * Handle a fatal signal by launching a debugger, controlled by $RSYNC_PANIC_ACTION. | |
994 | * | |
995 | * This signal handler is only installed if we were configured with | |
996 | * --enable-maintainer-mode. Perhaps it should always be on and we | |
997 | * should just look at the environment variable, but I'm a bit leery | |
998 | * of a signal sending us into a busy loop. | |
999 | **/ | |
067669da | 1000 | static RETSIGTYPE rsync_panic_handler(UNUSED(int whatsig)) |
c0531332 MP |
1001 | { |
1002 | char cmd_buf[300]; | |
1003 | int ret; | |
4fdc39dd MP |
1004 | |
1005 | sprintf(cmd_buf, get_panic_action(), | |
c0531332 MP |
1006 | getpid(), getpid()); |
1007 | ||
1008 | /* Unless we failed to execute gdb, we allow the process to | |
1009 | * continue. I'm not sure if that's right. */ | |
1010 | ret = system(cmd_buf); | |
1011 | if (ret) | |
1012 | _exit(ret); | |
1013 | } | |
1014 | #endif | |
1015 | ||
1016 | ||
5d6bcd44 | 1017 | int main(int argc,char *argv[]) |
d9c7edf6 | 1018 | { |
ff81e809 | 1019 | int ret; |
088aac85 | 1020 | int orig_argc; |
76f79ba7 | 1021 | char **orig_argv; |
6902ed17 | 1022 | |
088aac85 | 1023 | orig_argc = argc; |
76f79ba7 | 1024 | orig_argv = argv; |
5d6bcd44 | 1025 | |
7a6421fa | 1026 | signal(SIGUSR1, sigusr1_handler); |
8b35435f | 1027 | signal(SIGUSR2, sigusr2_handler); |
19b27a48 | 1028 | signal(SIGCHLD, sigchld_handler); |
c0531332 MP |
1029 | #ifdef MAINTAINER_MODE |
1030 | signal(SIGSEGV, rsync_panic_handler); | |
1031 | signal(SIGFPE, rsync_panic_handler); | |
1032 | signal(SIGABRT, rsync_panic_handler); | |
1033 | signal(SIGBUS, rsync_panic_handler); | |
1034 | #endif /* def MAINTAINER_MODE */ | |
5d6bcd44 | 1035 | |
7a6421fa | 1036 | starttime = time(NULL); |
6fe05820 | 1037 | am_root = (MY_UID() == 0); |
c627d613 | 1038 | |
a800434a AT |
1039 | memset(&stats, 0, sizeof(stats)); |
1040 | ||
df5e03da AT |
1041 | if (argc < 2) { |
1042 | usage(FERROR); | |
65417579 | 1043 | exit_cleanup(RERR_SYNTAX); |
df5e03da AT |
1044 | } |
1045 | ||
7a6421fa | 1046 | /* we set a 0 umask so that correct file permissions can be |
9af87151 | 1047 | * carried across */ |
7a6421fa | 1048 | orig_umask = (int)umask(0); |
5d6bcd44 | 1049 | |
50135767 | 1050 | if (!parse_arguments(&argc, (const char ***) &argv, 1)) { |
d9c7edf6 WD |
1051 | /* FIXME: We ought to call the same error-handling |
1052 | * code here, rather than relying on getopt. */ | |
50135767 | 1053 | option_error(); |
65417579 | 1054 | exit_cleanup(RERR_SYNTAX); |
b11ed3b1 | 1055 | } |
5d6bcd44 | 1056 | |
7a6421fa | 1057 | signal(SIGINT,SIGNAL_CAST sig_int); |
7a6421fa | 1058 | signal(SIGHUP,SIGNAL_CAST sig_int); |
8638dd48 | 1059 | signal(SIGTERM,SIGNAL_CAST sig_int); |
6b83141d | 1060 | |
34758d5c MP |
1061 | /* Ignore SIGPIPE; we consistently check error codes and will |
1062 | * see the EPIPE. */ | |
1063 | signal(SIGPIPE, SIG_IGN); | |
1064 | ||
c226b7c2 | 1065 | /* Initialize push_dir here because on some old systems getcwd |
9af87151 WD |
1066 | * (implemented by forking "pwd" and reading its output) doesn't |
1067 | * work when there are other child processes. Also, on all systems | |
1068 | * that implement getcwd that way "pwd" can't be found after chroot. */ | |
59187666 | 1069 | push_dir(NULL); |
c226b7c2 | 1070 | |
44e9e221 WD |
1071 | init_flist(); |
1072 | ||
b9f592fb WD |
1073 | if (write_batch || read_batch) { |
1074 | if (write_batch) | |
1075 | write_batch_argvs_file(orig_argc, orig_argv); | |
1076 | ||
dbbab0c4 WD |
1077 | if (read_batch && strcmp(batch_name, "-") == 0) |
1078 | batch_fd = STDIN_FILENO; | |
1079 | else { | |
1080 | batch_fd = do_open(batch_name, | |
b9f592fb WD |
1081 | write_batch ? O_WRONLY | O_CREAT | O_TRUNC |
1082 | : O_RDONLY, S_IRUSR | S_IWUSR); | |
dbbab0c4 | 1083 | } |
b9f592fb WD |
1084 | if (batch_fd < 0) { |
1085 | rsyserr(FERROR, errno, "Batch file %s open error", | |
9b3318b0 | 1086 | batch_name); |
b9f592fb WD |
1087 | exit_cleanup(RERR_FILEIO); |
1088 | } | |
6902ed17 MP |
1089 | } |
1090 | ||
75aeac44 | 1091 | if (am_daemon && !am_server) |
7a6421fa | 1092 | return daemon_main(); |
f0fca04e | 1093 | |
08ac228f AT |
1094 | if (argc < 1) { |
1095 | usage(FERROR); | |
65417579 | 1096 | exit_cleanup(RERR_SYNTAX); |
08ac228f AT |
1097 | } |
1098 | ||
7a6421fa AT |
1099 | if (dry_run) |
1100 | verbose = MAX(verbose,1); | |
c627d613 | 1101 | |
7a6421fa | 1102 | if (am_server) { |
f0359dd0 AT |
1103 | set_nonblocking(STDIN_FILENO); |
1104 | set_nonblocking(STDOUT_FILENO); | |
75aeac44 WD |
1105 | if (am_daemon) |
1106 | return start_daemon(STDIN_FILENO, STDOUT_FILENO); | |
7a6421fa AT |
1107 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); |
1108 | } | |
c627d613 | 1109 | |
ff81e809 | 1110 | ret = start_client(argc, argv); |
d9c7edf6 | 1111 | if (ret == -1) |
9098bbf3 | 1112 | exit_cleanup(RERR_STARTCLIENT); |
088aac85 | 1113 | else |
9098bbf3 MP |
1114 | exit_cleanup(ret); |
1115 | ||
0f5a04e3 | 1116 | return ret; |
c627d613 | 1117 | } |