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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; | |
52 | extern int read_batch; | |
53 | extern int write_batch; | |
54 | extern int filesfrom_fd; | |
55 | extern pid_t cleanup_child_pid; | |
56 | extern char *files_from; | |
57 | extern char *remote_filesfrom_file; | |
58 | extern char *rsync_path; | |
59 | extern char *shell_cmd; | |
60 | extern struct file_list *batch_flist; | |
c627d613 | 61 | |
b695f242 | 62 | |
ee7118a8 DD |
63 | /* there's probably never more than at most 2 outstanding child processes, |
64 | * but set it higher just in case. | |
65 | */ | |
66 | #define MAXCHILDPROCS 5 | |
67 | ||
68 | struct pid_status { | |
69 | pid_t pid; | |
70 | int status; | |
71 | } pid_stat_table[MAXCHILDPROCS]; | |
72 | ||
e5a2b854 | 73 | static void show_malloc_stats(void); |
82980a23 AT |
74 | |
75 | /**************************************************************************** | |
76 | wait for a process to exit, calling io_flush while waiting | |
77 | ****************************************************************************/ | |
78 | void wait_process(pid_t pid, int *status) | |
79 | { | |
ee7118a8 DD |
80 | pid_t waited_pid; |
81 | int cnt; | |
82 | ||
83 | while ((waited_pid = waitpid(pid, status, WNOHANG)) == 0) { | |
a24c6870 | 84 | msleep(20); |
f1e3656e | 85 | io_flush(FULL_FLUSH); |
82980a23 | 86 | } |
d9c7edf6 | 87 | |
6fb812f7 | 88 | if (waited_pid == -1 && errno == ECHILD) { |
ee7118a8 DD |
89 | /* status of requested child no longer available. |
90 | * check to see if it was processed by the sigchld_handler. | |
91 | */ | |
92 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { | |
93 | if (pid == pid_stat_table[cnt].pid) { | |
94 | *status = pid_stat_table[cnt].status; | |
95 | pid_stat_table[cnt].pid = 0; | |
96 | break; | |
97 | } | |
98 | } | |
99 | } | |
100 | ||
d9c7edf6 WD |
101 | /* TODO: If the child exited on a signal, then log an |
102 | * appropriate error message. Perhaps we should also accept a | |
103 | * message describing the purpose of the child. Also indicate | |
104 | * this to the caller so that thhey know something went | |
105 | * wrong. */ | |
82980a23 AT |
106 | *status = WEXITSTATUS(*status); |
107 | } | |
108 | ||
c627d613 AT |
109 | static void report(int f) |
110 | { | |
7a6421fa | 111 | time_t t = time(NULL); |
7a6421fa | 112 | |
7bb7058e | 113 | if (do_stats && verbose > 1) { |
5c15e29f | 114 | /* These come out from every process */ |
7bb7058e | 115 | show_malloc_stats(); |
86943126 | 116 | show_flist_stats(); |
5c15e29f MP |
117 | } |
118 | ||
e5fbaa71 S |
119 | if (am_generator) |
120 | return; | |
121 | ||
248fbb8c | 122 | if (am_daemon) { |
a9766ef1 | 123 | log_exit(0, __FILE__, __LINE__); |
83926d3c WD |
124 | if (f == -1 || !am_sender) |
125 | return; | |
248fbb8c AT |
126 | } |
127 | ||
e19452a9 | 128 | if (am_server) { |
3e491682 | 129 | if (am_sender) { |
23c5aef1 DD |
130 | int64 w; |
131 | /* store total_written in a temporary | |
d9c7edf6 | 132 | * because write_longint changes it */ |
23c5aef1 | 133 | w = stats.total_written; |
e19452a9 | 134 | write_longint(f,stats.total_read); |
23c5aef1 | 135 | write_longint(f,w); |
e19452a9 DD |
136 | write_longint(f,stats.total_size); |
137 | } | |
7a6421fa AT |
138 | return; |
139 | } | |
e19452a9 DD |
140 | |
141 | /* this is the client */ | |
d9c7edf6 | 142 | |
3e491682 | 143 | if (!am_sender) { |
23c5aef1 | 144 | int64 r; |
a800434a | 145 | stats.total_written = read_longint(f); |
23c5aef1 DD |
146 | /* store total_read in a temporary, read_longint changes it */ |
147 | r = read_longint(f); | |
a800434a | 148 | stats.total_size = read_longint(f); |
23c5aef1 | 149 | stats.total_read = r; |
a800434a AT |
150 | } |
151 | ||
152 | if (do_stats) { | |
1f658d42 | 153 | rprintf(FINFO,"\nNumber of files: %d\n", stats.num_files); |
d9c7edf6 WD |
154 | rprintf(FINFO,"Number of files transferred: %d\n", |
155 | stats.num_transferred_files); | |
156 | rprintf(FINFO,"Total file size: %.0f bytes\n", | |
157 | (double)stats.total_size); | |
158 | rprintf(FINFO,"Total transferred file size: %.0f bytes\n", | |
159 | (double)stats.total_transferred_size); | |
160 | rprintf(FINFO,"Literal data: %.0f bytes\n", | |
161 | (double)stats.literal_data); | |
162 | rprintf(FINFO,"Matched data: %.0f bytes\n", | |
163 | (double)stats.matched_data); | |
1f658d42 | 164 | rprintf(FINFO,"File list size: %d\n", stats.flist_size); |
d9c7edf6 WD |
165 | rprintf(FINFO,"Total bytes written: %.0f\n", |
166 | (double)stats.total_written); | |
577ab12c | 167 | rprintf(FINFO,"Total bytes read: %.0f\n", |
d9c7edf6 | 168 | (double)stats.total_read); |
7a6421fa | 169 | } |
d9c7edf6 | 170 | |
e19452a9 | 171 | if (verbose || do_stats) { |
577ab12c | 172 | rprintf(FINFO,"\nwrote %.0f bytes read %.0f bytes %.2f bytes/sec\n", |
d9c7edf6 WD |
173 | (double)stats.total_written, |
174 | (double)stats.total_read, | |
175 | (stats.total_written+stats.total_read)/(0.5 + (t-starttime))); | |
e19452a9 | 176 | rprintf(FINFO,"total size is %.0f speedup is %.2f\n", |
d9c7edf6 WD |
177 | (double)stats.total_size, |
178 | (1.0*stats.total_size)/(stats.total_written+stats.total_read)); | |
e19452a9 | 179 | } |
fc8a6b97 AT |
180 | |
181 | fflush(stdout); | |
182 | fflush(stderr); | |
c627d613 AT |
183 | } |
184 | ||
185 | ||
e5a2b854 MP |
186 | /** |
187 | * If our C library can get malloc statistics, then show them to FINFO | |
188 | **/ | |
189 | static void show_malloc_stats(void) | |
190 | { | |
191 | #ifdef HAVE_MALLINFO | |
192 | struct mallinfo mi; | |
193 | ||
194 | mi = mallinfo(); | |
195 | ||
ce672562 | 196 | rprintf(FINFO, "\n" RSYNC_NAME "[%d] (%s%s%s) heap statistics:\n", |
5c15e29f MP |
197 | getpid(), |
198 | am_server ? "server " : "", | |
199 | am_daemon ? "daemon " : "", | |
b695f242 | 200 | who_am_i()); |
e5a2b854 MP |
201 | rprintf(FINFO, " arena: %10d (bytes from sbrk)\n", mi.arena); |
202 | rprintf(FINFO, " ordblks: %10d (chunks not in use)\n", mi.ordblks); | |
203 | rprintf(FINFO, " smblks: %10d\n", mi.smblks); | |
204 | rprintf(FINFO, " hblks: %10d (chunks from mmap)\n", mi.hblks); | |
205 | rprintf(FINFO, " hblkhd: %10d (bytes from mmap)\n", mi.hblkhd); | |
7b74bba1 S |
206 | rprintf(FINFO, " allmem: %10d (bytes from sbrk + mmap)\n", |
207 | mi.arena + mi.hblkhd); | |
e5a2b854 MP |
208 | rprintf(FINFO, " usmblks: %10d\n", mi.usmblks); |
209 | rprintf(FINFO, " fsmblks: %10d\n", mi.fsmblks); | |
210 | rprintf(FINFO, " uordblks: %10d (bytes used)\n", mi.uordblks); | |
211 | rprintf(FINFO, " fordblks: %10d (bytes free)\n", mi.fordblks); | |
212 | rprintf(FINFO, " keepcost: %10d (bytes in releasable chunk)\n", mi.keepcost); | |
213 | #endif /* HAVE_MALLINFO */ | |
214 | } | |
215 | ||
216 | ||
0882faa2 | 217 | /* Start the remote shell. cmd may be NULL to use the default. */ |
6c2e5b56 WD |
218 | static pid_t do_cmd(char *cmd, char *machine, char *user, char *path, |
219 | int *f_in, int *f_out) | |
c627d613 | 220 | { |
6c2e5b56 | 221 | int i, argc = 0; |
887e553f | 222 | char *args[MAX_ARGS]; |
19b27a48 | 223 | pid_t ret; |
6c2e5b56 | 224 | char *tok, *dir = NULL; |
bb4aa89c | 225 | int dash_l_set = 0; |
366345fe | 226 | |
088aac85 | 227 | if (!read_batch && !local_server) { |
9af87151 | 228 | char *rsh_env = getenv(RSYNC_RSH_ENV); |
366345fe | 229 | if (!cmd) |
9af87151 | 230 | cmd = rsh_env; |
366345fe AT |
231 | if (!cmd) |
232 | cmd = RSYNC_RSH; | |
233 | cmd = strdup(cmd); | |
d9c7edf6 | 234 | if (!cmd) |
366345fe AT |
235 | goto oom; |
236 | ||
887e553f | 237 | for (tok = strtok(cmd, " "); tok; tok = strtok(NULL, " ")) { |
e7a392c7 WD |
238 | /* Comparison leaves rooms for server_options(). */ |
239 | if (argc >= MAX_ARGS - 100) { | |
240 | rprintf(FERROR, "internal: args[] overflowed in do_cmd()\n"); | |
887e553f WD |
241 | exit_cleanup(RERR_SYNTAX); |
242 | } | |
366345fe | 243 | args[argc++] = tok; |
887e553f | 244 | } |
c627d613 | 245 | |
d9c7edf6 | 246 | /* check to see if we've already been given '-l user' in |
9af87151 | 247 | * the remote-shell command */ |
bb4aa89c WD |
248 | for (i = 0; i < argc-1; i++) { |
249 | if (!strcmp(args[i], "-l") && args[i+1][0] != '-') | |
250 | dash_l_set = 1; | |
251 | } | |
252 | ||
7b8356d0 | 253 | #if HAVE_REMSH |
366345fe AT |
254 | /* remsh (on HPUX) takes the arguments the other way around */ |
255 | args[argc++] = machine; | |
bb4aa89c | 256 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
257 | args[argc++] = "-l"; |
258 | args[argc++] = user; | |
259 | } | |
7b8356d0 | 260 | #else |
bb4aa89c | 261 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
262 | args[argc++] = "-l"; |
263 | args[argc++] = user; | |
264 | } | |
265 | args[argc++] = machine; | |
7b8356d0 | 266 | #endif |
c627d613 | 267 | |
366345fe | 268 | args[argc++] = rsync_path; |
c627d613 | 269 | |
9af87151 | 270 | if (blocking_io < 0) { |
90e22f4b WD |
271 | char *cp; |
272 | if ((cp = strrchr(cmd, '/')) != NULL) | |
273 | cp++; | |
274 | else | |
275 | cp = cmd; | |
276 | if (strcmp(cp, "rsh") == 0 || strcmp(cp, "remsh") == 0) | |
277 | blocking_io = 1; | |
66b71163 | 278 | } |
e384bfbd | 279 | |
93689aa5 | 280 | server_options(args,&argc); |
e7a392c7 WD |
281 | |
282 | if (argc >= MAX_ARGS - 2) { | |
283 | rprintf(FERROR, "internal: args[] overflowed in do_cmd()\n"); | |
284 | exit_cleanup(RERR_SYNTAX); | |
285 | } | |
366345fe | 286 | } |
c627d613 | 287 | |
366345fe | 288 | args[argc++] = "."; |
76076c4b | 289 | |
d9c7edf6 | 290 | if (!daemon_over_rsh && path && *path) |
366345fe | 291 | args[argc++] = path; |
c627d613 | 292 | |
366345fe | 293 | args[argc] = NULL; |
c627d613 | 294 | |
366345fe | 295 | if (verbose > 3) { |
9486289c | 296 | rprintf(FINFO,"cmd="); |
e7a392c7 | 297 | for (i = 0; i < argc; i++) |
9486289c AT |
298 | rprintf(FINFO,"%s ",args[i]); |
299 | rprintf(FINFO,"\n"); | |
366345fe AT |
300 | } |
301 | ||
302 | if (local_server) { | |
6902ed17 | 303 | if (read_batch) |
d9c7edf6 | 304 | create_flist_from_batch(); /* sets batch_flist */ |
25d34a5c | 305 | ret = local_child(argc, args, f_in, f_out, child_main); |
366345fe AT |
306 | } else { |
307 | ret = piped_child(args,f_in,f_out); | |
308 | } | |
c627d613 | 309 | |
3a69fad0 WD |
310 | if (dir) |
311 | free(dir); | |
82306bf6 | 312 | |
366345fe | 313 | return ret; |
c627d613 AT |
314 | |
315 | oom: | |
366345fe AT |
316 | out_of_memory("do_cmd"); |
317 | return 0; /* not reached */ | |
c627d613 AT |
318 | } |
319 | ||
320 | ||
c627d613 AT |
321 | static char *get_local_name(struct file_list *flist,char *name) |
322 | { | |
7a6421fa | 323 | STRUCT_STAT st; |
87cc45e1 | 324 | int e; |
c627d613 | 325 | |
c95da96a | 326 | if (verbose > 2) |
d9c7edf6 | 327 | rprintf(FINFO,"get_local_name count=%d %s\n", |
1f0610ef DD |
328 | flist->count, NS(name)); |
329 | ||
d9c7edf6 | 330 | if (!name) |
1f0610ef | 331 | return NULL; |
c95da96a | 332 | |
1ff5450d AT |
333 | if (do_stat(name,&st) == 0) { |
334 | if (S_ISDIR(st.st_mode)) { | |
59187666 | 335 | if (!push_dir(name)) { |
982e05bb WD |
336 | rsyserr(FERROR, errno, "push_dir#1 %s failed", |
337 | full_fname(name)); | |
65417579 | 338 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
339 | } |
340 | return NULL; | |
341 | } | |
342 | if (flist->count > 1) { | |
343 | rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n"); | |
65417579 | 344 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
345 | } |
346 | return name; | |
347 | } | |
348 | ||
87cc45e1 | 349 | if (flist->count <= 1 && ((e = strlen(name)) <= 1 || name[e-1] != '/')) |
1ff5450d AT |
350 | return name; |
351 | ||
1ff5450d | 352 | if (do_mkdir(name,0777 & ~orig_umask) != 0) { |
982e05bb | 353 | rsyserr(FERROR, errno, "mkdir %s failed", full_fname(name)); |
65417579 | 354 | exit_cleanup(RERR_FILEIO); |
1ff5450d | 355 | } else { |
b536f47e AT |
356 | if (verbose > 0) |
357 | rprintf(FINFO,"created directory %s\n",name); | |
1ff5450d AT |
358 | } |
359 | ||
59187666 | 360 | if (!push_dir(name)) { |
982e05bb WD |
361 | rsyserr(FERROR, errno, "push_dir#2 %s failed", |
362 | full_fname(name)); | |
65417579 | 363 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
364 | } |
365 | ||
366 | return NULL; | |
c627d613 AT |
367 | } |
368 | ||
369 | ||
9486289c | 370 | static void do_server_sender(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 371 | { |
7a6421fa AT |
372 | int i; |
373 | struct file_list *flist; | |
374 | char *dir = argv[0]; | |
c627d613 | 375 | |
45e08edb WD |
376 | if (verbose > 2) { |
377 | rprintf(FINFO, "server_sender starting pid=%ld\n", | |
378 | (long)getpid()); | |
379 | } | |
d9c7edf6 | 380 | |
7a92ded3 WD |
381 | if (am_daemon && lp_write_only(module_id) && am_sender) { |
382 | rprintf(FERROR, "ERROR: module is write only\n"); | |
383 | exit_cleanup(RERR_SYNTAX); | |
384 | return; | |
385 | } | |
386 | ||
59187666 | 387 | if (!relative_paths && !push_dir(dir)) { |
982e05bb WD |
388 | rsyserr(FERROR, errno, "push_dir#3 %s failed", |
389 | full_fname(dir)); | |
65417579 | 390 | exit_cleanup(RERR_FILESELECT); |
7a6421fa AT |
391 | } |
392 | argc--; | |
393 | argv++; | |
d9c7edf6 | 394 | |
7a6421fa AT |
395 | if (strcmp(dir,".")) { |
396 | int l = strlen(dir); | |
d9c7edf6 | 397 | if (strcmp(dir,"/") == 0) |
7a6421fa | 398 | l = 0; |
e7a392c7 | 399 | for (i = 0; i < argc; i++) |
7a6421fa AT |
400 | argv[i] += l+1; |
401 | } | |
c627d613 | 402 | |
7a6421fa | 403 | if (argc == 0 && recurse) { |
e1f67417 | 404 | argc = 1; |
7a6421fa AT |
405 | argv--; |
406 | argv[0] = "."; | |
407 | } | |
d9c7edf6 | 408 | |
7a6421fa | 409 | flist = send_file_list(f_out,argc,argv); |
8d9dc9f9 AT |
410 | if (!flist || flist->count == 0) { |
411 | exit_cleanup(0); | |
412 | } | |
413 | ||
76c21947 WD |
414 | io_start_buffering_in(f_in); |
415 | io_start_buffering_out(f_out); | |
7a6421fa | 416 | send_files(flist,f_out,f_in); |
f1e3656e | 417 | io_flush(FULL_FLUSH); |
7a6421fa | 418 | report(f_out); |
d04e9c51 | 419 | if (protocol_version >= 24) { |
d9c7edf6 | 420 | /* final goodbye message */ |
64c3523a WD |
421 | read_int(f_in); |
422 | } | |
f1e3656e | 423 | io_flush(FULL_FLUSH); |
7a6421fa | 424 | exit_cleanup(0); |
c627d613 AT |
425 | } |
426 | ||
427 | ||
dc5ddbcc AT |
428 | static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name) |
429 | { | |
d186eb1a | 430 | int pid; |
e1f67417 | 431 | int status = 0; |
554e0a8d | 432 | int error_pipe[2]; |
dc5ddbcc | 433 | |
d186eb1a AT |
434 | if (preserve_hard_links) |
435 | init_hard_links(flist); | |
dc5ddbcc | 436 | |
6957ae33 AT |
437 | if (!delete_after) { |
438 | /* I moved this here from recv_files() to prevent a race condition */ | |
439 | if (recurse && delete_mode && !local_name && flist->count>0) { | |
440 | delete_files(flist); | |
441 | } | |
442 | } | |
443 | ||
08f15335 | 444 | if (fd_pair(error_pipe) < 0) { |
554e0a8d AT |
445 | rprintf(FERROR,"error pipe failed in do_recv\n"); |
446 | exit_cleanup(RERR_SOCKETIO); | |
447 | } | |
d9c7edf6 | 448 | |
f1e3656e | 449 | io_flush(NORMAL_FLUSH); |
c6e7fcb4 | 450 | |
e1f67417 | 451 | if ((pid = do_fork()) == 0) { |
554e0a8d | 452 | close(error_pipe[0]); |
3a69fad0 WD |
453 | if (f_in != f_out) |
454 | close(f_out); | |
e08c9610 | 455 | |
554e0a8d AT |
456 | /* we can't let two processes write to the socket at one time */ |
457 | io_multiplexing_close(); | |
458 | ||
459 | /* set place to send errors */ | |
f1e3656e | 460 | set_msg_fd_out(error_pipe[1]); |
554e0a8d | 461 | |
f1e3656e WD |
462 | recv_files(f_in,flist,local_name); |
463 | io_flush(FULL_FLUSH); | |
ba5e128d | 464 | report(f_in); |
e08c9610 | 465 | |
f1e3656e WD |
466 | send_msg(MSG_DONE, "", 0); |
467 | io_flush(FULL_FLUSH); | |
4a748188 | 468 | /* finally we go to sleep until our parent kills us |
9af87151 WD |
469 | * with a USR2 signal. We sleep for a short time as on |
470 | * some OSes a signal won't interrupt a sleep! */ | |
f1e3656e WD |
471 | while (1) |
472 | msleep(20); | |
d186eb1a | 473 | } |
dc5ddbcc | 474 | |
b695f242 WD |
475 | am_generator = 1; |
476 | ||
554e0a8d | 477 | close(error_pipe[1]); |
3a69fad0 WD |
478 | if (f_in != f_out) |
479 | close(f_in); | |
e1b3d5c4 | 480 | |
76c21947 | 481 | io_start_buffering_out(f_out); |
b3e10ed7 | 482 | |
f1e3656e | 483 | set_msg_fd_in(error_pipe[0]); |
554e0a8d | 484 | |
f1e3656e | 485 | generate_files(f_out, flist, local_name); |
8d9dc9f9 | 486 | |
40da9042 | 487 | get_redo_num(); /* Read final MSG_DONE and any prior messages. */ |
e5fbaa71 | 488 | report(-1); |
f1e3656e | 489 | io_flush(FULL_FLUSH); |
d04e9c51 | 490 | if (protocol_version >= 24) { |
8ada7518 AT |
491 | /* send a final goodbye message */ |
492 | write_int(f_out, -1); | |
493 | } | |
f1e3656e | 494 | io_flush(FULL_FLUSH); |
8ada7518 | 495 | |
f1e3656e | 496 | set_msg_fd_in(-1); |
089a2435 | 497 | kill(pid, SIGUSR2); |
d79d1c69 | 498 | wait_process(pid, &status); |
d186eb1a | 499 | return status; |
dc5ddbcc AT |
500 | } |
501 | ||
c627d613 | 502 | |
9486289c | 503 | static void do_server_recv(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 504 | { |
7a6421fa AT |
505 | int status; |
506 | struct file_list *flist; | |
6c2e5b56 | 507 | char *local_name = NULL; |
7a6421fa | 508 | char *dir = NULL; |
f0fca04e | 509 | |
45e08edb WD |
510 | if (verbose > 2) { |
511 | rprintf(FINFO, "server_recv(%d) starting pid=%ld\n", | |
512 | argc, (long)getpid()); | |
513 | } | |
09b7f5db AT |
514 | |
515 | if (am_daemon && lp_read_only(module_id) && !am_sender) { | |
516 | rprintf(FERROR,"ERROR: module is read only\n"); | |
517 | exit_cleanup(RERR_SYNTAX); | |
518 | return; | |
519 | } | |
520 | ||
d9c7edf6 | 521 | |
7a6421fa AT |
522 | if (argc > 0) { |
523 | dir = argv[0]; | |
524 | argc--; | |
525 | argv++; | |
59187666 | 526 | if (!am_daemon && !push_dir(dir)) { |
982e05bb WD |
527 | rsyserr(FERROR, errno, "push_dir#4 %s failed", |
528 | full_fname(dir)); | |
65417579 | 529 | exit_cleanup(RERR_FILESELECT); |
d9c7edf6 | 530 | } |
7a6421fa | 531 | } |
c627d613 | 532 | |
76c21947 | 533 | io_start_buffering_in(f_in); |
b33b791e | 534 | if (delete_mode && !delete_excluded) |
7a6421fa | 535 | recv_exclude_list(f_in); |
c627d613 | 536 | |
7c2a9e76 WD |
537 | if (filesfrom_fd >= 0) { |
538 | /* We're receiving the file info from the sender, so we need | |
539 | * the IO routines to automatically write out the names onto | |
540 | * our f_out socket as we read the list info from the sender. | |
541 | * This avoids both deadlock and extra delays/buffers. */ | |
542 | io_set_filesfrom_fds(filesfrom_fd, f_out); | |
543 | filesfrom_fd = -1; | |
544 | } | |
545 | ||
088aac85 | 546 | if (read_batch) |
d9c7edf6 | 547 | flist = batch_flist; |
6902ed17 | 548 | else |
d9c7edf6 | 549 | flist = recv_file_list(f_in); |
4c36a13e AT |
550 | if (!flist) { |
551 | rprintf(FERROR,"server_recv: recv_file_list error\n"); | |
65417579 | 552 | exit_cleanup(RERR_FILESELECT); |
7a6421fa | 553 | } |
d9c7edf6 WD |
554 | |
555 | if (argc > 0) { | |
7a6421fa AT |
556 | if (strcmp(dir,".")) { |
557 | argv[0] += strlen(dir); | |
3a69fad0 WD |
558 | if (argv[0][0] == '/') |
559 | argv[0]++; | |
7a6421fa AT |
560 | } |
561 | local_name = get_local_name(flist,argv[0]); | |
562 | } | |
c627d613 | 563 | |
7a6421fa AT |
564 | status = do_recv(f_in,f_out,flist,local_name); |
565 | exit_cleanup(status); | |
c627d613 AT |
566 | } |
567 | ||
568 | ||
734a94a2 | 569 | int child_main(int argc, char *argv[]) |
25d34a5c MP |
570 | { |
571 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); | |
734a94a2 | 572 | return 0; |
25d34a5c MP |
573 | } |
574 | ||
575 | ||
9486289c | 576 | void start_server(int f_in, int f_out, int argc, char *argv[]) |
366345fe | 577 | { |
6d7b6081 AT |
578 | setup_protocol(f_out, f_in); |
579 | ||
f0359dd0 AT |
580 | set_nonblocking(f_in); |
581 | set_nonblocking(f_out); | |
582 | ||
d04e9c51 | 583 | if (protocol_version >= 23) |
ff41a59f | 584 | io_start_multiplex_out(f_out); |
7a6421fa | 585 | |
7a6421fa | 586 | if (am_sender) { |
83926d3c | 587 | keep_dirlinks = 0; /* Must be disabled on the sender. */ |
088aac85 | 588 | if (!read_batch) { |
d9c7edf6 WD |
589 | recv_exclude_list(f_in); |
590 | if (cvs_exclude) | |
591 | add_cvs_excludes(); | |
6902ed17 | 592 | } |
7a6421fa AT |
593 | do_server_sender(f_in, f_out, argc, argv); |
594 | } else { | |
595 | do_server_recv(f_in, f_out, argc, argv); | |
596 | } | |
597 | exit_cleanup(0); | |
366345fe AT |
598 | } |
599 | ||
0ba48136 MP |
600 | |
601 | /* | |
602 | * This is called once the connection has been negotiated. It is used | |
603 | * for rsyncd, remote-shell, and local connections. | |
604 | */ | |
19b27a48 | 605 | int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[]) |
9486289c | 606 | { |
088aac85 | 607 | struct file_list *flist = NULL; |
9486289c AT |
608 | int status = 0, status2 = 0; |
609 | char *local_name = NULL; | |
19b27a48 AT |
610 | |
611 | cleanup_child_pid = pid; | |
6902ed17 | 612 | if (read_batch) |
d9c7edf6 | 613 | flist = batch_flist; |
ff41a59f | 614 | |
f0359dd0 AT |
615 | set_nonblocking(f_in); |
616 | set_nonblocking(f_out); | |
617 | ||
6d7b6081 AT |
618 | setup_protocol(f_out,f_in); |
619 | ||
d04e9c51 | 620 | if (protocol_version >= 23) |
ff41a59f | 621 | io_start_multiplex_in(f_in); |
d9c7edf6 | 622 | |
9486289c | 623 | if (am_sender) { |
83926d3c | 624 | keep_dirlinks = 0; /* Must be disabled on the sender. */ |
76c21947 | 625 | io_start_buffering_out(f_out); |
9486289c AT |
626 | if (cvs_exclude) |
627 | add_cvs_excludes(); | |
d9c7edf6 | 628 | if (delete_mode && !delete_excluded) |
9486289c | 629 | send_exclude_list(f_out); |
7c2a9e76 WD |
630 | if (remote_filesfrom_file) |
631 | filesfrom_fd = f_in; | |
64c3523a | 632 | if (!read_batch) /* don't write to pipe */ |
d9c7edf6 WD |
633 | flist = send_file_list(f_out,argc,argv); |
634 | if (verbose > 3) | |
9486289c | 635 | rprintf(FINFO,"file list sent\n"); |
e1b3d5c4 | 636 | |
f1e3656e | 637 | io_flush(NORMAL_FLUSH); |
9486289c | 638 | send_files(flist,f_out,f_in); |
f1e3656e | 639 | io_flush(FULL_FLUSH); |
d04e9c51 | 640 | if (protocol_version >= 24) { |
d9c7edf6 | 641 | /* final goodbye message */ |
6c65e146 AT |
642 | read_int(f_in); |
643 | } | |
9486289c AT |
644 | if (pid != -1) { |
645 | if (verbose > 3) | |
08a740ff | 646 | rprintf(FINFO,"client_run waiting on %d\n", (int) pid); |
f1e3656e | 647 | io_flush(FULL_FLUSH); |
d79d1c69 | 648 | wait_process(pid, &status); |
9486289c | 649 | } |
3d382777 | 650 | report(-1); |
f1e3656e | 651 | io_flush(FULL_FLUSH); |
9486289c AT |
652 | exit_cleanup(status); |
653 | } | |
f7632fc6 | 654 | |
1082b52b | 655 | if (argc == 0) |
27e3e9c9 | 656 | list_only = 1; |
d9c7edf6 | 657 | |
1082b52b | 658 | if (!read_batch) |
d9c7edf6 WD |
659 | send_exclude_list(f_out); |
660 | ||
7c2a9e76 WD |
661 | if (filesfrom_fd >= 0) { |
662 | io_set_filesfrom_fds(filesfrom_fd, f_out); | |
663 | filesfrom_fd = -1; | |
664 | } | |
665 | ||
9486289c AT |
666 | flist = recv_file_list(f_in); |
667 | if (!flist || flist->count == 0) { | |
796d484b | 668 | rprintf(FINFO, "client: nothing to do: " |
d9c7edf6 WD |
669 | "perhaps you need to specify some filenames or " |
670 | "the --recursive option?\n"); | |
9486289c AT |
671 | exit_cleanup(0); |
672 | } | |
d9c7edf6 | 673 | |
9486289c | 674 | local_name = get_local_name(flist,argv[0]); |
d9c7edf6 | 675 | |
9486289c | 676 | status2 = do_recv(f_in,f_out,flist,local_name); |
d9c7edf6 | 677 | |
9486289c | 678 | if (pid != -1) { |
8d9dc9f9 | 679 | if (verbose > 3) |
08a740ff | 680 | rprintf(FINFO,"client_run2 waiting on %d\n", (int) pid); |
f1e3656e | 681 | io_flush(FULL_FLUSH); |
d79d1c69 | 682 | wait_process(pid, &status); |
9486289c | 683 | } |
d9c7edf6 | 684 | |
ff81e809 | 685 | return MAX(status, status2); |
9486289c AT |
686 | } |
687 | ||
7169bb4a MP |
688 | static int copy_argv (char *argv[]) |
689 | { | |
690 | int i; | |
691 | ||
692 | for (i = 0; argv[i]; i++) { | |
693 | if (!(argv[i] = strdup(argv[i]))) { | |
694 | rprintf (FERROR, "out of memory at %s(%d)\n", | |
695 | __FILE__, __LINE__); | |
696 | return RERR_MALLOC; | |
697 | } | |
698 | } | |
699 | ||
700 | return 0; | |
701 | } | |
702 | ||
703 | ||
c1a04ecb | 704 | /** |
0ba48136 MP |
705 | * Start a client for either type of remote connection. Work out |
706 | * whether the arguments request a remote shell or rsyncd connection, | |
707 | * and call the appropriate connection function, then run_client. | |
0b4af330 MP |
708 | * |
709 | * Calls either start_socket_client (for sockets) or do_cmd and | |
710 | * client_run (for ssh). | |
c1a04ecb | 711 | **/ |
fc8a6b97 | 712 | static int start_client(int argc, char *argv[]) |
5d6bcd44 AT |
713 | { |
714 | char *p; | |
715 | char *shell_machine = NULL; | |
716 | char *shell_path = NULL; | |
717 | char *shell_user = NULL; | |
19b27a48 AT |
718 | int ret; |
719 | pid_t pid; | |
5d6bcd44 | 720 | int f_in,f_out; |
7169bb4a MP |
721 | int rc; |
722 | ||
723 | /* Don't clobber argv[] so that ps(1) can still show the right | |
d9c7edf6 | 724 | * command line. */ |
75aeac44 | 725 | if ((rc = copy_argv(argv))) |
7169bb4a | 726 | return rc; |
5d6bcd44 | 727 | |
75aeac44 | 728 | /* rsync:// always uses rsync server over direct socket connection */ |
7169bb4a | 729 | if (strncasecmp(URL_PREFIX, argv[0], strlen(URL_PREFIX)) == 0) { |
f7632fc6 AT |
730 | char *host, *path; |
731 | ||
7169bb4a | 732 | host = argv[0] + strlen(URL_PREFIX); |
f7632fc6 AT |
733 | p = strchr(host,'/'); |
734 | if (p) { | |
735 | *p = 0; | |
736 | path = p+1; | |
737 | } else { | |
a125c82a | 738 | path = ""; |
f7632fc6 | 739 | } |
2acf81eb DD |
740 | p = strchr(host,':'); |
741 | if (p) { | |
742 | rsync_port = atoi(p+1); | |
743 | *p = 0; | |
744 | } | |
f7632fc6 AT |
745 | return start_socket_client(host, path, argc-1, argv+1); |
746 | } | |
747 | ||
d16c245f | 748 | if (!read_batch) { /* for read_batch, NO source is specified */ |
a125c82a | 749 | p = find_colon(argv[0]); |
d16c245f | 750 | if (p) { /* source is remote */ |
7c2a9e76 WD |
751 | if (remote_filesfrom_file |
752 | && remote_filesfrom_file != files_from + 1 | |
753 | && strncmp(files_from, argv[0], p-argv[0]+1) != 0) { | |
754 | rprintf(FERROR, | |
755 | "--files-from hostname is not transfer hostname\n"); | |
756 | exit_cleanup(RERR_SYNTAX); | |
757 | } | |
d9c7edf6 WD |
758 | if (p[1] == ':') { /* double colon */ |
759 | *p = 0; | |
760 | if (!shell_cmd) { | |
761 | return start_socket_client(argv[0], p+2, | |
762 | argc-1, argv+1); | |
763 | } | |
764 | p++; | |
765 | daemon_over_rsh = 1; | |
75aeac44 | 766 | } |
3591c066 | 767 | |
d16c245f | 768 | if (argc < 1) { /* destination required */ |
d9c7edf6 WD |
769 | usage(FERROR); |
770 | exit_cleanup(RERR_SYNTAX); | |
771 | } | |
a125c82a | 772 | |
d9c7edf6 WD |
773 | am_sender = 0; |
774 | *p = 0; | |
775 | shell_machine = argv[0]; | |
776 | shell_path = p+1; | |
d9c7edf6 | 777 | argv++; |
d16c245f | 778 | } else { /* source is local */ |
d9c7edf6 WD |
779 | am_sender = 1; |
780 | ||
781 | /* rsync:// destination uses rsync server over direct socket */ | |
782 | if (strncasecmp(URL_PREFIX, argv[argc-1], strlen(URL_PREFIX)) == 0) { | |
783 | char *host, *path; | |
784 | ||
785 | host = argv[argc-1] + strlen(URL_PREFIX); | |
786 | p = strchr(host,'/'); | |
787 | if (p) { | |
788 | *p = 0; | |
789 | path = p+1; | |
790 | } else { | |
791 | path = ""; | |
792 | } | |
793 | p = strchr(host,':'); | |
794 | if (p) { | |
795 | rsync_port = atoi(p+1); | |
796 | *p = 0; | |
797 | } | |
798 | return start_socket_client(host, path, argc-1, argv); | |
a125c82a | 799 | } |
d9c7edf6 | 800 | |
d16c245f | 801 | p = find_colon(argv[argc-1]); /* look in dest arg */ |
7c2a9e76 WD |
802 | if (p && remote_filesfrom_file |
803 | && remote_filesfrom_file != files_from + 1 | |
804 | && strncmp(files_from, argv[argc-1], p-argv[argc-1]+1) != 0) { | |
805 | rprintf(FERROR, | |
806 | "--files-from hostname is not transfer hostname\n"); | |
807 | exit_cleanup(RERR_SYNTAX); | |
808 | } | |
d16c245f | 809 | if (!p) { /* no colon found, so src & dest are local */ |
d9c7edf6 | 810 | local_server = 1; |
7c2a9e76 WD |
811 | if (remote_filesfrom_file) { |
812 | rprintf(FERROR, | |
813 | "--files-from is remote but transfer is local\n"); | |
814 | exit_cleanup(RERR_SYNTAX); | |
815 | } | |
d9c7edf6 | 816 | } else if (p[1] == ':') { /* double colon */ |
a125c82a | 817 | *p = 0; |
d9c7edf6 WD |
818 | if (!shell_cmd) { |
819 | return start_socket_client(argv[argc-1], p+2, | |
820 | argc-1, argv); | |
821 | } | |
822 | p++; | |
823 | daemon_over_rsh = 1; | |
a125c82a | 824 | } |
a125c82a | 825 | |
d9c7edf6 WD |
826 | if (argc < 2) { |
827 | usage(FERROR); | |
828 | exit_cleanup(RERR_SYNTAX); | |
75aeac44 | 829 | } |
3591c066 | 830 | |
d9c7edf6 WD |
831 | if (local_server) { |
832 | shell_machine = NULL; | |
833 | shell_path = argv[argc-1]; | |
834 | } else { | |
835 | *p = 0; | |
836 | shell_machine = argv[argc-1]; | |
837 | shell_path = p+1; | |
838 | } | |
5d6bcd44 | 839 | } |
d16c245f WD |
840 | argc--; |
841 | } else { /* read_batch */ | |
d9c7edf6 WD |
842 | am_sender = 1; |
843 | local_server = 1; | |
844 | shell_path = argv[argc-1]; | |
6902ed17 MP |
845 | } |
846 | ||
5d6bcd44 | 847 | if (shell_machine) { |
6fc048f4 | 848 | p = strrchr(shell_machine,'@'); |
5d6bcd44 AT |
849 | if (p) { |
850 | *p = 0; | |
851 | shell_user = shell_machine; | |
852 | shell_machine = p+1; | |
853 | } | |
854 | } | |
855 | ||
856 | if (verbose > 3) { | |
9486289c | 857 | rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n", |
5d6bcd44 AT |
858 | shell_cmd?shell_cmd:"", |
859 | shell_machine?shell_machine:"", | |
860 | shell_user?shell_user:"", | |
861 | shell_path?shell_path:""); | |
862 | } | |
d9c7edf6 | 863 | |
d16c245f | 864 | /* for remote source, only single dest arg can remain ... */ |
f7632fc6 | 865 | if (!am_sender && argc > 1) { |
5d6bcd44 | 866 | usage(FERROR); |
65417579 | 867 | exit_cleanup(RERR_SYNTAX); |
5d6bcd44 | 868 | } |
27e3e9c9 | 869 | |
d16c245f WD |
870 | /* ... or no dest at all */ |
871 | if (!am_sender && argc == 0) { | |
27e3e9c9 AT |
872 | list_only = 1; |
873 | } | |
d9c7edf6 | 874 | |
75aeac44 WD |
875 | pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path, |
876 | &f_in,&f_out); | |
877 | ||
878 | /* if we're running an rsync server on the remote host over a | |
9af87151 | 879 | * remote shell command, we need to do the RSYNCD protocol first */ |
75aeac44 WD |
880 | if (daemon_over_rsh) { |
881 | int tmpret; | |
882 | tmpret = start_inband_exchange(shell_user, shell_path, | |
883 | f_in, f_out, argc); | |
884 | if (tmpret < 0) | |
885 | return tmpret; | |
886 | } | |
887 | ||
fc8a6b97 AT |
888 | ret = client_run(f_in, f_out, pid, argc, argv); |
889 | ||
890 | fflush(stdout); | |
891 | fflush(stderr); | |
892 | ||
893 | return ret; | |
5d6bcd44 AT |
894 | } |
895 | ||
366345fe | 896 | |
067669da WD |
897 | static RETSIGTYPE sigusr1_handler(UNUSED(int val)) |
898 | { | |
65417579 | 899 | exit_cleanup(RERR_SIGNAL); |
82306bf6 AT |
900 | } |
901 | ||
067669da WD |
902 | static RETSIGTYPE sigusr2_handler(UNUSED(int val)) |
903 | { | |
19b27a48 | 904 | if (log_got_error) _exit(RERR_PARTIAL); |
8b35435f AT |
905 | _exit(0); |
906 | } | |
907 | ||
067669da WD |
908 | static RETSIGTYPE sigchld_handler(UNUSED(int val)) |
909 | { | |
029c1713 | 910 | #ifdef WNOHANG |
ee7118a8 DD |
911 | int cnt, status; |
912 | pid_t pid; | |
913 | /* An empty waitpid() loop was put here by Tridge and we could never | |
d9c7edf6 | 914 | * get him to explain why he put it in, so rather than taking it |
ee7118a8 DD |
915 | * out we're instead saving the child exit statuses for later use. |
916 | * The waitpid() loop presumably eliminates all possibility of leaving | |
917 | * zombie children, maybe that's why he did it. | |
918 | */ | |
919 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0) { | |
9af87151 WD |
920 | /* save the child's exit status */ |
921 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { | |
922 | if (pid_stat_table[cnt].pid == 0) { | |
923 | pid_stat_table[cnt].pid = pid; | |
924 | pid_stat_table[cnt].status = status; | |
925 | break; | |
926 | } | |
927 | } | |
ee7118a8 | 928 | } |
029c1713 | 929 | #endif |
19b27a48 AT |
930 | } |
931 | ||
c0531332 MP |
932 | |
933 | /** | |
934 | * This routine catches signals and tries to send them to gdb. | |
935 | * | |
936 | * Because it's called from inside a signal handler it ought not to | |
937 | * use too many library routines. | |
938 | * | |
939 | * @todo Perhaps use "screen -X" instead/as well, to help people | |
940 | * debugging without easy access to X. Perhaps use an environment | |
941 | * variable, or just call a script? | |
942 | * | |
943 | * @todo The /proc/ magic probably only works on Linux (and | |
944 | * Solaris?) Can we be more portable? | |
945 | **/ | |
946 | #ifdef MAINTAINER_MODE | |
4fdc39dd MP |
947 | const char *get_panic_action(void) |
948 | { | |
949 | const char *cmd_fmt = getenv("RSYNC_PANIC_ACTION"); | |
950 | ||
951 | if (cmd_fmt) | |
952 | return cmd_fmt; | |
953 | else | |
954 | return "xterm -display :0 -T Panic -n Panic " | |
955 | "-e gdb /proc/%d/exe %d"; | |
956 | } | |
957 | ||
958 | ||
9fb3f7a9 MP |
959 | /** |
960 | * Handle a fatal signal by launching a debugger, controlled by $RSYNC_PANIC_ACTION. | |
961 | * | |
962 | * This signal handler is only installed if we were configured with | |
963 | * --enable-maintainer-mode. Perhaps it should always be on and we | |
964 | * should just look at the environment variable, but I'm a bit leery | |
965 | * of a signal sending us into a busy loop. | |
966 | **/ | |
067669da | 967 | static RETSIGTYPE rsync_panic_handler(UNUSED(int whatsig)) |
c0531332 MP |
968 | { |
969 | char cmd_buf[300]; | |
970 | int ret; | |
4fdc39dd MP |
971 | |
972 | sprintf(cmd_buf, get_panic_action(), | |
c0531332 MP |
973 | getpid(), getpid()); |
974 | ||
975 | /* Unless we failed to execute gdb, we allow the process to | |
976 | * continue. I'm not sure if that's right. */ | |
977 | ret = system(cmd_buf); | |
978 | if (ret) | |
979 | _exit(ret); | |
980 | } | |
981 | #endif | |
982 | ||
983 | ||
5d6bcd44 | 984 | int main(int argc,char *argv[]) |
d9c7edf6 | 985 | { |
ff81e809 | 986 | int ret; |
088aac85 | 987 | int orig_argc; |
76f79ba7 | 988 | char **orig_argv; |
6902ed17 | 989 | |
088aac85 | 990 | orig_argc = argc; |
76f79ba7 | 991 | orig_argv = argv; |
5d6bcd44 | 992 | |
7a6421fa | 993 | signal(SIGUSR1, sigusr1_handler); |
8b35435f | 994 | signal(SIGUSR2, sigusr2_handler); |
19b27a48 | 995 | signal(SIGCHLD, sigchld_handler); |
c0531332 MP |
996 | #ifdef MAINTAINER_MODE |
997 | signal(SIGSEGV, rsync_panic_handler); | |
998 | signal(SIGFPE, rsync_panic_handler); | |
999 | signal(SIGABRT, rsync_panic_handler); | |
1000 | signal(SIGBUS, rsync_panic_handler); | |
1001 | #endif /* def MAINTAINER_MODE */ | |
5d6bcd44 | 1002 | |
7a6421fa | 1003 | starttime = time(NULL); |
6fe05820 | 1004 | am_root = (MY_UID() == 0); |
c627d613 | 1005 | |
a800434a AT |
1006 | memset(&stats, 0, sizeof(stats)); |
1007 | ||
df5e03da AT |
1008 | if (argc < 2) { |
1009 | usage(FERROR); | |
65417579 | 1010 | exit_cleanup(RERR_SYNTAX); |
df5e03da AT |
1011 | } |
1012 | ||
7a6421fa | 1013 | /* we set a 0 umask so that correct file permissions can be |
9af87151 | 1014 | * carried across */ |
7a6421fa | 1015 | orig_umask = (int)umask(0); |
5d6bcd44 | 1016 | |
50135767 | 1017 | if (!parse_arguments(&argc, (const char ***) &argv, 1)) { |
d9c7edf6 WD |
1018 | /* FIXME: We ought to call the same error-handling |
1019 | * code here, rather than relying on getopt. */ | |
50135767 | 1020 | option_error(); |
65417579 | 1021 | exit_cleanup(RERR_SYNTAX); |
b11ed3b1 | 1022 | } |
5d6bcd44 | 1023 | |
7a6421fa | 1024 | signal(SIGINT,SIGNAL_CAST sig_int); |
7a6421fa | 1025 | signal(SIGHUP,SIGNAL_CAST sig_int); |
8638dd48 | 1026 | signal(SIGTERM,SIGNAL_CAST sig_int); |
6b83141d | 1027 | |
34758d5c MP |
1028 | /* Ignore SIGPIPE; we consistently check error codes and will |
1029 | * see the EPIPE. */ | |
1030 | signal(SIGPIPE, SIG_IGN); | |
1031 | ||
c226b7c2 | 1032 | /* Initialize push_dir here because on some old systems getcwd |
9af87151 WD |
1033 | * (implemented by forking "pwd" and reading its output) doesn't |
1034 | * work when there are other child processes. Also, on all systems | |
1035 | * that implement getcwd that way "pwd" can't be found after chroot. */ | |
59187666 | 1036 | push_dir(NULL); |
c226b7c2 | 1037 | |
44e9e221 WD |
1038 | init_flist(); |
1039 | ||
088aac85 | 1040 | if (write_batch && !am_server) { |
d9c7edf6 | 1041 | write_batch_argvs_file(orig_argc, orig_argv); |
6902ed17 MP |
1042 | } |
1043 | ||
75aeac44 | 1044 | if (am_daemon && !am_server) |
7a6421fa | 1045 | return daemon_main(); |
f0fca04e | 1046 | |
08ac228f AT |
1047 | if (argc < 1) { |
1048 | usage(FERROR); | |
65417579 | 1049 | exit_cleanup(RERR_SYNTAX); |
08ac228f AT |
1050 | } |
1051 | ||
7a6421fa AT |
1052 | if (dry_run) |
1053 | verbose = MAX(verbose,1); | |
c627d613 | 1054 | |
7a6421fa | 1055 | if (am_server) { |
f0359dd0 AT |
1056 | set_nonblocking(STDIN_FILENO); |
1057 | set_nonblocking(STDOUT_FILENO); | |
75aeac44 WD |
1058 | if (am_daemon) |
1059 | return start_daemon(STDIN_FILENO, STDOUT_FILENO); | |
7a6421fa AT |
1060 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); |
1061 | } | |
c627d613 | 1062 | |
ff81e809 | 1063 | ret = start_client(argc, argv); |
d9c7edf6 | 1064 | if (ret == -1) |
9098bbf3 | 1065 | exit_cleanup(RERR_STARTCLIENT); |
088aac85 | 1066 | else |
9098bbf3 MP |
1067 | exit_cleanup(ret); |
1068 | ||
0f5a04e3 | 1069 | return ret; |
c627d613 | 1070 | } |