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