Commit | Line | Data |
---|---|---|
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; | |
46 | extern int preserve_hard_links; | |
d04e9c51 | 47 | extern int protocol_version; |
32eda096 WD |
48 | extern int recurse; |
49 | extern int relative_paths; | |
50 | extern int rsync_port; | |
51 | extern int read_batch; | |
52 | extern int write_batch; | |
53 | extern int filesfrom_fd; | |
54 | extern pid_t cleanup_child_pid; | |
55 | extern char *files_from; | |
56 | extern char *remote_filesfrom_file; | |
57 | extern char *rsync_path; | |
58 | extern char *shell_cmd; | |
59 | extern struct file_list *batch_flist; | |
c627d613 | 60 | |
b695f242 | 61 | |
ee7118a8 DD |
62 | /* there's probably never more than at most 2 outstanding child processes, |
63 | * but set it higher just in case. | |
64 | */ | |
65 | #define MAXCHILDPROCS 5 | |
66 | ||
67 | struct pid_status { | |
68 | pid_t pid; | |
69 | int status; | |
70 | } pid_stat_table[MAXCHILDPROCS]; | |
71 | ||
e5a2b854 | 72 | static void show_malloc_stats(void); |
82980a23 AT |
73 | |
74 | /**************************************************************************** | |
75 | wait for a process to exit, calling io_flush while waiting | |
76 | ****************************************************************************/ | |
77 | void wait_process(pid_t pid, int *status) | |
78 | { | |
ee7118a8 DD |
79 | pid_t waited_pid; |
80 | int cnt; | |
81 | ||
82 | while ((waited_pid = waitpid(pid, status, WNOHANG)) == 0) { | |
a24c6870 | 83 | msleep(20); |
f1e3656e | 84 | io_flush(FULL_FLUSH); |
82980a23 | 85 | } |
d9c7edf6 | 86 | |
ee7118a8 DD |
87 | if ((waited_pid == -1) && (errno == ECHILD)) { |
88 | /* status of requested child no longer available. | |
89 | * check to see if it was processed by the sigchld_handler. | |
90 | */ | |
91 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { | |
92 | if (pid == pid_stat_table[cnt].pid) { | |
93 | *status = pid_stat_table[cnt].status; | |
94 | pid_stat_table[cnt].pid = 0; | |
95 | break; | |
96 | } | |
97 | } | |
98 | } | |
99 | ||
d9c7edf6 WD |
100 | /* TODO: If the child exited on a signal, then log an |
101 | * appropriate error message. Perhaps we should also accept a | |
102 | * message describing the purpose of the child. Also indicate | |
103 | * this to the caller so that thhey know something went | |
104 | * wrong. */ | |
82980a23 AT |
105 | *status = WEXITSTATUS(*status); |
106 | } | |
107 | ||
c627d613 AT |
108 | static void report(int f) |
109 | { | |
7a6421fa | 110 | time_t t = time(NULL); |
7a6421fa | 111 | |
7bb7058e | 112 | if (do_stats && verbose > 1) { |
5c15e29f | 113 | /* These come out from every process */ |
7bb7058e | 114 | show_malloc_stats(); |
86943126 | 115 | show_flist_stats(); |
5c15e29f MP |
116 | } |
117 | ||
e5fbaa71 S |
118 | if (am_generator) |
119 | return; | |
120 | ||
248fbb8c | 121 | if (am_daemon) { |
a9766ef1 | 122 | log_exit(0, __FILE__, __LINE__); |
7b372642 | 123 | if (f == -1 || !am_sender) return; |
248fbb8c AT |
124 | } |
125 | ||
e19452a9 | 126 | if (am_server) { |
3e491682 | 127 | if (am_sender) { |
23c5aef1 DD |
128 | int64 w; |
129 | /* store total_written in a temporary | |
d9c7edf6 | 130 | * because write_longint changes it */ |
23c5aef1 | 131 | w = stats.total_written; |
e19452a9 | 132 | write_longint(f,stats.total_read); |
23c5aef1 | 133 | write_longint(f,w); |
e19452a9 DD |
134 | write_longint(f,stats.total_size); |
135 | } | |
7a6421fa AT |
136 | return; |
137 | } | |
e19452a9 DD |
138 | |
139 | /* this is the client */ | |
d9c7edf6 | 140 | |
3e491682 | 141 | if (!am_sender) { |
23c5aef1 | 142 | int64 r; |
a800434a | 143 | stats.total_written = read_longint(f); |
23c5aef1 DD |
144 | /* store total_read in a temporary, read_longint changes it */ |
145 | r = read_longint(f); | |
a800434a | 146 | stats.total_size = read_longint(f); |
23c5aef1 | 147 | stats.total_read = r; |
a800434a AT |
148 | } |
149 | ||
150 | if (do_stats) { | |
1f658d42 | 151 | rprintf(FINFO,"\nNumber of files: %d\n", stats.num_files); |
d9c7edf6 WD |
152 | rprintf(FINFO,"Number of files transferred: %d\n", |
153 | stats.num_transferred_files); | |
154 | rprintf(FINFO,"Total file size: %.0f bytes\n", | |
155 | (double)stats.total_size); | |
156 | rprintf(FINFO,"Total transferred file size: %.0f bytes\n", | |
157 | (double)stats.total_transferred_size); | |
158 | rprintf(FINFO,"Literal data: %.0f bytes\n", | |
159 | (double)stats.literal_data); | |
160 | rprintf(FINFO,"Matched data: %.0f bytes\n", | |
161 | (double)stats.matched_data); | |
1f658d42 | 162 | rprintf(FINFO,"File list size: %d\n", stats.flist_size); |
d9c7edf6 WD |
163 | rprintf(FINFO,"Total bytes written: %.0f\n", |
164 | (double)stats.total_written); | |
577ab12c | 165 | rprintf(FINFO,"Total bytes read: %.0f\n", |
d9c7edf6 | 166 | (double)stats.total_read); |
7a6421fa | 167 | } |
d9c7edf6 | 168 | |
e19452a9 | 169 | if (verbose || do_stats) { |
577ab12c | 170 | rprintf(FINFO,"\nwrote %.0f bytes read %.0f bytes %.2f bytes/sec\n", |
d9c7edf6 WD |
171 | (double)stats.total_written, |
172 | (double)stats.total_read, | |
173 | (stats.total_written+stats.total_read)/(0.5 + (t-starttime))); | |
e19452a9 | 174 | rprintf(FINFO,"total size is %.0f speedup is %.2f\n", |
d9c7edf6 WD |
175 | (double)stats.total_size, |
176 | (1.0*stats.total_size)/(stats.total_written+stats.total_read)); | |
e19452a9 | 177 | } |
fc8a6b97 AT |
178 | |
179 | fflush(stdout); | |
180 | fflush(stderr); | |
c627d613 AT |
181 | } |
182 | ||
183 | ||
e5a2b854 MP |
184 | /** |
185 | * If our C library can get malloc statistics, then show them to FINFO | |
186 | **/ | |
187 | static void show_malloc_stats(void) | |
188 | { | |
189 | #ifdef HAVE_MALLINFO | |
190 | struct mallinfo mi; | |
191 | ||
192 | mi = mallinfo(); | |
193 | ||
ce672562 | 194 | rprintf(FINFO, "\n" RSYNC_NAME "[%d] (%s%s%s) heap statistics:\n", |
5c15e29f MP |
195 | getpid(), |
196 | am_server ? "server " : "", | |
197 | am_daemon ? "daemon " : "", | |
b695f242 | 198 | who_am_i()); |
e5a2b854 MP |
199 | rprintf(FINFO, " arena: %10d (bytes from sbrk)\n", mi.arena); |
200 | rprintf(FINFO, " ordblks: %10d (chunks not in use)\n", mi.ordblks); | |
201 | rprintf(FINFO, " smblks: %10d\n", mi.smblks); | |
202 | rprintf(FINFO, " hblks: %10d (chunks from mmap)\n", mi.hblks); | |
203 | rprintf(FINFO, " hblkhd: %10d (bytes from mmap)\n", mi.hblkhd); | |
7b74bba1 S |
204 | rprintf(FINFO, " allmem: %10d (bytes from sbrk + mmap)\n", |
205 | mi.arena + mi.hblkhd); | |
e5a2b854 MP |
206 | rprintf(FINFO, " usmblks: %10d\n", mi.usmblks); |
207 | rprintf(FINFO, " fsmblks: %10d\n", mi.fsmblks); | |
208 | rprintf(FINFO, " uordblks: %10d (bytes used)\n", mi.uordblks); | |
209 | rprintf(FINFO, " fordblks: %10d (bytes free)\n", mi.fordblks); | |
210 | rprintf(FINFO, " keepcost: %10d (bytes in releasable chunk)\n", mi.keepcost); | |
211 | #endif /* HAVE_MALLINFO */ | |
212 | } | |
213 | ||
214 | ||
0882faa2 | 215 | /* Start the remote shell. cmd may be NULL to use the default. */ |
6c2e5b56 WD |
216 | static pid_t do_cmd(char *cmd, char *machine, char *user, char *path, |
217 | int *f_in, int *f_out) | |
c627d613 | 218 | { |
6c2e5b56 | 219 | int i, argc = 0; |
366345fe | 220 | char *args[100]; |
19b27a48 | 221 | pid_t ret; |
6c2e5b56 | 222 | char *tok, *dir = NULL; |
bb4aa89c | 223 | int dash_l_set = 0; |
366345fe | 224 | |
088aac85 | 225 | if (!read_batch && !local_server) { |
9af87151 | 226 | char *rsh_env = getenv(RSYNC_RSH_ENV); |
366345fe | 227 | if (!cmd) |
9af87151 | 228 | cmd = rsh_env; |
366345fe AT |
229 | if (!cmd) |
230 | cmd = RSYNC_RSH; | |
231 | cmd = strdup(cmd); | |
d9c7edf6 | 232 | if (!cmd) |
366345fe AT |
233 | goto oom; |
234 | ||
6c2e5b56 | 235 | for (tok = strtok(cmd, " "); tok; tok = strtok(NULL, " ")) |
366345fe | 236 | args[argc++] = tok; |
c627d613 | 237 | |
d9c7edf6 | 238 | /* check to see if we've already been given '-l user' in |
9af87151 | 239 | * the remote-shell command */ |
bb4aa89c WD |
240 | for (i = 0; i < argc-1; i++) { |
241 | if (!strcmp(args[i], "-l") && args[i+1][0] != '-') | |
242 | dash_l_set = 1; | |
243 | } | |
244 | ||
7b8356d0 | 245 | #if HAVE_REMSH |
366345fe AT |
246 | /* remsh (on HPUX) takes the arguments the other way around */ |
247 | args[argc++] = machine; | |
bb4aa89c | 248 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
249 | args[argc++] = "-l"; |
250 | args[argc++] = user; | |
251 | } | |
7b8356d0 | 252 | #else |
bb4aa89c | 253 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
254 | args[argc++] = "-l"; |
255 | args[argc++] = user; | |
256 | } | |
257 | args[argc++] = machine; | |
7b8356d0 | 258 | #endif |
c627d613 | 259 | |
366345fe | 260 | args[argc++] = rsync_path; |
c627d613 | 261 | |
9af87151 | 262 | if (blocking_io < 0) { |
90e22f4b WD |
263 | char *cp; |
264 | if ((cp = strrchr(cmd, '/')) != NULL) | |
265 | cp++; | |
266 | else | |
267 | cp = cmd; | |
268 | if (strcmp(cp, "rsh") == 0 || strcmp(cp, "remsh") == 0) | |
269 | blocking_io = 1; | |
66b71163 | 270 | } |
e384bfbd | 271 | |
93689aa5 | 272 | server_options(args,&argc); |
366345fe | 273 | } |
c627d613 | 274 | |
366345fe | 275 | args[argc++] = "."; |
76076c4b | 276 | |
d9c7edf6 | 277 | if (!daemon_over_rsh && path && *path) |
366345fe | 278 | args[argc++] = path; |
c627d613 | 279 | |
6c2e5b56 WD |
280 | if (argc >= (int)(sizeof args / sizeof args[0])) { |
281 | rprintf(FERROR, "internal: args[] overflowed in do_cmd()\n"); | |
282 | exit_cleanup(RERR_MALLOC); /* XXX Need better RERR? */ | |
283 | } | |
284 | ||
366345fe | 285 | args[argc] = NULL; |
c627d613 | 286 | |
366345fe | 287 | if (verbose > 3) { |
9486289c | 288 | rprintf(FINFO,"cmd="); |
366345fe | 289 | for (i=0;i<argc;i++) |
9486289c AT |
290 | rprintf(FINFO,"%s ",args[i]); |
291 | rprintf(FINFO,"\n"); | |
366345fe AT |
292 | } |
293 | ||
294 | if (local_server) { | |
6902ed17 | 295 | if (read_batch) |
d9c7edf6 | 296 | create_flist_from_batch(); /* sets batch_flist */ |
25d34a5c | 297 | ret = local_child(argc, args, f_in, f_out, child_main); |
366345fe AT |
298 | } else { |
299 | ret = piped_child(args,f_in,f_out); | |
300 | } | |
c627d613 | 301 | |
366345fe | 302 | if (dir) free(dir); |
82306bf6 | 303 | |
366345fe | 304 | return ret; |
c627d613 AT |
305 | |
306 | oom: | |
366345fe AT |
307 | out_of_memory("do_cmd"); |
308 | return 0; /* not reached */ | |
c627d613 AT |
309 | } |
310 | ||
311 | ||
c627d613 AT |
312 | static char *get_local_name(struct file_list *flist,char *name) |
313 | { | |
7a6421fa | 314 | STRUCT_STAT st; |
87cc45e1 | 315 | int e; |
c627d613 | 316 | |
c95da96a | 317 | if (verbose > 2) |
d9c7edf6 | 318 | rprintf(FINFO,"get_local_name count=%d %s\n", |
1f0610ef DD |
319 | flist->count, NS(name)); |
320 | ||
d9c7edf6 | 321 | if (!name) |
1f0610ef | 322 | return NULL; |
c95da96a | 323 | |
1ff5450d AT |
324 | if (do_stat(name,&st) == 0) { |
325 | if (S_ISDIR(st.st_mode)) { | |
59187666 | 326 | if (!push_dir(name)) { |
982e05bb WD |
327 | rsyserr(FERROR, errno, "push_dir#1 %s failed", |
328 | full_fname(name)); | |
65417579 | 329 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
330 | } |
331 | return NULL; | |
332 | } | |
333 | if (flist->count > 1) { | |
334 | rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n"); | |
65417579 | 335 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
336 | } |
337 | return name; | |
338 | } | |
339 | ||
87cc45e1 | 340 | if (flist->count <= 1 && ((e = strlen(name)) <= 1 || name[e-1] != '/')) |
1ff5450d AT |
341 | return name; |
342 | ||
1ff5450d | 343 | if (do_mkdir(name,0777 & ~orig_umask) != 0) { |
982e05bb | 344 | rsyserr(FERROR, errno, "mkdir %s failed", full_fname(name)); |
65417579 | 345 | exit_cleanup(RERR_FILEIO); |
1ff5450d | 346 | } else { |
b536f47e AT |
347 | if (verbose > 0) |
348 | rprintf(FINFO,"created directory %s\n",name); | |
1ff5450d AT |
349 | } |
350 | ||
59187666 | 351 | if (!push_dir(name)) { |
982e05bb WD |
352 | rsyserr(FERROR, errno, "push_dir#2 %s failed", |
353 | full_fname(name)); | |
65417579 | 354 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
355 | } |
356 | ||
357 | return NULL; | |
c627d613 AT |
358 | } |
359 | ||
360 | ||
9486289c | 361 | static void do_server_sender(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 362 | { |
7a6421fa AT |
363 | int i; |
364 | struct file_list *flist; | |
365 | char *dir = argv[0]; | |
c627d613 | 366 | |
45e08edb WD |
367 | if (verbose > 2) { |
368 | rprintf(FINFO, "server_sender starting pid=%ld\n", | |
369 | (long)getpid()); | |
370 | } | |
d9c7edf6 | 371 | |
7a92ded3 WD |
372 | if (am_daemon && lp_write_only(module_id) && am_sender) { |
373 | rprintf(FERROR, "ERROR: module is write only\n"); | |
374 | exit_cleanup(RERR_SYNTAX); | |
375 | return; | |
376 | } | |
377 | ||
59187666 | 378 | if (!relative_paths && !push_dir(dir)) { |
982e05bb WD |
379 | rsyserr(FERROR, errno, "push_dir#3 %s failed", |
380 | full_fname(dir)); | |
65417579 | 381 | exit_cleanup(RERR_FILESELECT); |
7a6421fa AT |
382 | } |
383 | argc--; | |
384 | argv++; | |
d9c7edf6 | 385 | |
7a6421fa AT |
386 | if (strcmp(dir,".")) { |
387 | int l = strlen(dir); | |
d9c7edf6 | 388 | if (strcmp(dir,"/") == 0) |
7a6421fa AT |
389 | l = 0; |
390 | for (i=0;i<argc;i++) | |
391 | argv[i] += l+1; | |
392 | } | |
c627d613 | 393 | |
7a6421fa AT |
394 | if (argc == 0 && recurse) { |
395 | argc=1; | |
396 | argv--; | |
397 | argv[0] = "."; | |
398 | } | |
d9c7edf6 | 399 | |
7a6421fa | 400 | flist = send_file_list(f_out,argc,argv); |
8d9dc9f9 AT |
401 | if (!flist || flist->count == 0) { |
402 | exit_cleanup(0); | |
403 | } | |
404 | ||
76c21947 WD |
405 | io_start_buffering_in(f_in); |
406 | io_start_buffering_out(f_out); | |
7a6421fa | 407 | send_files(flist,f_out,f_in); |
f1e3656e | 408 | io_flush(FULL_FLUSH); |
7a6421fa | 409 | report(f_out); |
d04e9c51 | 410 | if (protocol_version >= 24) { |
d9c7edf6 | 411 | /* final goodbye message */ |
64c3523a WD |
412 | read_int(f_in); |
413 | } | |
f1e3656e | 414 | io_flush(FULL_FLUSH); |
7a6421fa | 415 | exit_cleanup(0); |
c627d613 AT |
416 | } |
417 | ||
418 | ||
dc5ddbcc AT |
419 | static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name) |
420 | { | |
d186eb1a AT |
421 | int pid; |
422 | int status=0; | |
554e0a8d | 423 | int error_pipe[2]; |
dc5ddbcc | 424 | |
d186eb1a AT |
425 | if (preserve_hard_links) |
426 | init_hard_links(flist); | |
dc5ddbcc | 427 | |
6957ae33 AT |
428 | if (!delete_after) { |
429 | /* I moved this here from recv_files() to prevent a race condition */ | |
430 | if (recurse && delete_mode && !local_name && flist->count>0) { | |
431 | delete_files(flist); | |
432 | } | |
433 | } | |
434 | ||
08f15335 | 435 | if (fd_pair(error_pipe) < 0) { |
554e0a8d AT |
436 | rprintf(FERROR,"error pipe failed in do_recv\n"); |
437 | exit_cleanup(RERR_SOCKETIO); | |
438 | } | |
d9c7edf6 | 439 | |
f1e3656e | 440 | io_flush(NORMAL_FLUSH); |
c6e7fcb4 | 441 | |
d186eb1a | 442 | if ((pid=do_fork()) == 0) { |
554e0a8d | 443 | close(error_pipe[0]); |
e08c9610 AT |
444 | if (f_in != f_out) close(f_out); |
445 | ||
554e0a8d AT |
446 | /* we can't let two processes write to the socket at one time */ |
447 | io_multiplexing_close(); | |
448 | ||
449 | /* set place to send errors */ | |
f1e3656e | 450 | set_msg_fd_out(error_pipe[1]); |
554e0a8d | 451 | |
f1e3656e WD |
452 | recv_files(f_in,flist,local_name); |
453 | io_flush(FULL_FLUSH); | |
ba5e128d | 454 | report(f_in); |
e08c9610 | 455 | |
f1e3656e WD |
456 | send_msg(MSG_DONE, "", 0); |
457 | io_flush(FULL_FLUSH); | |
4a748188 | 458 | /* finally we go to sleep until our parent kills us |
9af87151 WD |
459 | * with a USR2 signal. We sleep for a short time as on |
460 | * some OSes a signal won't interrupt a sleep! */ | |
f1e3656e WD |
461 | while (1) |
462 | msleep(20); | |
d186eb1a | 463 | } |
dc5ddbcc | 464 | |
b695f242 WD |
465 | am_generator = 1; |
466 | ||
554e0a8d | 467 | close(error_pipe[1]); |
e08c9610 | 468 | if (f_in != f_out) close(f_in); |
e1b3d5c4 | 469 | |
76c21947 | 470 | io_start_buffering_out(f_out); |
b3e10ed7 | 471 | |
f1e3656e | 472 | set_msg_fd_in(error_pipe[0]); |
554e0a8d | 473 | |
f1e3656e | 474 | generate_files(f_out, flist, local_name); |
8d9dc9f9 | 475 | |
40da9042 | 476 | get_redo_num(); /* Read final MSG_DONE and any prior messages. */ |
e5fbaa71 | 477 | report(-1); |
f1e3656e | 478 | io_flush(FULL_FLUSH); |
d04e9c51 | 479 | if (protocol_version >= 24) { |
8ada7518 AT |
480 | /* send a final goodbye message */ |
481 | write_int(f_out, -1); | |
482 | } | |
f1e3656e | 483 | io_flush(FULL_FLUSH); |
8ada7518 | 484 | |
f1e3656e | 485 | set_msg_fd_in(-1); |
089a2435 | 486 | kill(pid, SIGUSR2); |
d79d1c69 | 487 | wait_process(pid, &status); |
d186eb1a | 488 | return status; |
dc5ddbcc AT |
489 | } |
490 | ||
c627d613 | 491 | |
9486289c | 492 | static void do_server_recv(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 493 | { |
7a6421fa AT |
494 | int status; |
495 | struct file_list *flist; | |
6c2e5b56 | 496 | char *local_name = NULL; |
7a6421fa | 497 | char *dir = NULL; |
f0fca04e | 498 | |
45e08edb WD |
499 | if (verbose > 2) { |
500 | rprintf(FINFO, "server_recv(%d) starting pid=%ld\n", | |
501 | argc, (long)getpid()); | |
502 | } | |
09b7f5db AT |
503 | |
504 | if (am_daemon && lp_read_only(module_id) && !am_sender) { | |
505 | rprintf(FERROR,"ERROR: module is read only\n"); | |
506 | exit_cleanup(RERR_SYNTAX); | |
507 | return; | |
508 | } | |
509 | ||
d9c7edf6 | 510 | |
7a6421fa AT |
511 | if (argc > 0) { |
512 | dir = argv[0]; | |
513 | argc--; | |
514 | argv++; | |
59187666 | 515 | if (!am_daemon && !push_dir(dir)) { |
982e05bb WD |
516 | rsyserr(FERROR, errno, "push_dir#4 %s failed", |
517 | full_fname(dir)); | |
65417579 | 518 | exit_cleanup(RERR_FILESELECT); |
d9c7edf6 | 519 | } |
7a6421fa | 520 | } |
c627d613 | 521 | |
76c21947 | 522 | io_start_buffering_in(f_in); |
b33b791e | 523 | if (delete_mode && !delete_excluded) |
7a6421fa | 524 | recv_exclude_list(f_in); |
c627d613 | 525 | |
7c2a9e76 WD |
526 | if (filesfrom_fd >= 0) { |
527 | /* We're receiving the file info from the sender, so we need | |
528 | * the IO routines to automatically write out the names onto | |
529 | * our f_out socket as we read the list info from the sender. | |
530 | * This avoids both deadlock and extra delays/buffers. */ | |
531 | io_set_filesfrom_fds(filesfrom_fd, f_out); | |
532 | filesfrom_fd = -1; | |
533 | } | |
534 | ||
088aac85 | 535 | if (read_batch) |
d9c7edf6 | 536 | flist = batch_flist; |
6902ed17 | 537 | else |
d9c7edf6 | 538 | flist = recv_file_list(f_in); |
4c36a13e AT |
539 | if (!flist) { |
540 | rprintf(FERROR,"server_recv: recv_file_list error\n"); | |
65417579 | 541 | exit_cleanup(RERR_FILESELECT); |
7a6421fa | 542 | } |
d9c7edf6 WD |
543 | |
544 | if (argc > 0) { | |
7a6421fa AT |
545 | if (strcmp(dir,".")) { |
546 | argv[0] += strlen(dir); | |
547 | if (argv[0][0] == '/') argv[0]++; | |
548 | } | |
549 | local_name = get_local_name(flist,argv[0]); | |
550 | } | |
c627d613 | 551 | |
7a6421fa AT |
552 | status = do_recv(f_in,f_out,flist,local_name); |
553 | exit_cleanup(status); | |
c627d613 AT |
554 | } |
555 | ||
556 | ||
734a94a2 | 557 | int child_main(int argc, char *argv[]) |
25d34a5c MP |
558 | { |
559 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); | |
734a94a2 | 560 | return 0; |
25d34a5c MP |
561 | } |
562 | ||
563 | ||
9486289c | 564 | void start_server(int f_in, int f_out, int argc, char *argv[]) |
366345fe | 565 | { |
6d7b6081 AT |
566 | setup_protocol(f_out, f_in); |
567 | ||
f0359dd0 AT |
568 | set_nonblocking(f_in); |
569 | set_nonblocking(f_out); | |
570 | ||
d04e9c51 | 571 | if (protocol_version >= 23) |
ff41a59f | 572 | io_start_multiplex_out(f_out); |
7a6421fa | 573 | |
7a6421fa | 574 | if (am_sender) { |
088aac85 | 575 | if (!read_batch) { |
d9c7edf6 WD |
576 | recv_exclude_list(f_in); |
577 | if (cvs_exclude) | |
578 | add_cvs_excludes(); | |
6902ed17 | 579 | } |
7a6421fa AT |
580 | do_server_sender(f_in, f_out, argc, argv); |
581 | } else { | |
582 | do_server_recv(f_in, f_out, argc, argv); | |
583 | } | |
584 | exit_cleanup(0); | |
366345fe AT |
585 | } |
586 | ||
0ba48136 MP |
587 | |
588 | /* | |
589 | * This is called once the connection has been negotiated. It is used | |
590 | * for rsyncd, remote-shell, and local connections. | |
591 | */ | |
19b27a48 | 592 | int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[]) |
9486289c | 593 | { |
088aac85 | 594 | struct file_list *flist = NULL; |
9486289c AT |
595 | int status = 0, status2 = 0; |
596 | char *local_name = NULL; | |
19b27a48 AT |
597 | |
598 | cleanup_child_pid = pid; | |
6902ed17 | 599 | if (read_batch) |
d9c7edf6 | 600 | flist = batch_flist; |
ff41a59f | 601 | |
f0359dd0 AT |
602 | set_nonblocking(f_in); |
603 | set_nonblocking(f_out); | |
604 | ||
6d7b6081 AT |
605 | setup_protocol(f_out,f_in); |
606 | ||
d04e9c51 | 607 | if (protocol_version >= 23) |
ff41a59f | 608 | io_start_multiplex_in(f_in); |
d9c7edf6 | 609 | |
9486289c | 610 | if (am_sender) { |
76c21947 | 611 | io_start_buffering_out(f_out); |
9486289c AT |
612 | if (cvs_exclude) |
613 | add_cvs_excludes(); | |
d9c7edf6 | 614 | if (delete_mode && !delete_excluded) |
9486289c | 615 | send_exclude_list(f_out); |
7c2a9e76 WD |
616 | if (remote_filesfrom_file) |
617 | filesfrom_fd = f_in; | |
64c3523a | 618 | if (!read_batch) /* don't write to pipe */ |
d9c7edf6 WD |
619 | flist = send_file_list(f_out,argc,argv); |
620 | if (verbose > 3) | |
9486289c | 621 | rprintf(FINFO,"file list sent\n"); |
e1b3d5c4 | 622 | |
f1e3656e | 623 | io_flush(NORMAL_FLUSH); |
9486289c | 624 | send_files(flist,f_out,f_in); |
f1e3656e | 625 | io_flush(FULL_FLUSH); |
d04e9c51 | 626 | if (protocol_version >= 24) { |
d9c7edf6 | 627 | /* final goodbye message */ |
6c65e146 AT |
628 | read_int(f_in); |
629 | } | |
9486289c AT |
630 | if (pid != -1) { |
631 | if (verbose > 3) | |
08a740ff | 632 | rprintf(FINFO,"client_run waiting on %d\n", (int) pid); |
f1e3656e | 633 | io_flush(FULL_FLUSH); |
d79d1c69 | 634 | wait_process(pid, &status); |
9486289c | 635 | } |
3d382777 | 636 | report(-1); |
f1e3656e | 637 | io_flush(FULL_FLUSH); |
9486289c AT |
638 | exit_cleanup(status); |
639 | } | |
f7632fc6 | 640 | |
1082b52b | 641 | if (argc == 0) |
27e3e9c9 | 642 | list_only = 1; |
d9c7edf6 | 643 | |
1082b52b | 644 | if (!read_batch) |
d9c7edf6 WD |
645 | send_exclude_list(f_out); |
646 | ||
7c2a9e76 WD |
647 | if (filesfrom_fd >= 0) { |
648 | io_set_filesfrom_fds(filesfrom_fd, f_out); | |
649 | filesfrom_fd = -1; | |
650 | } | |
651 | ||
9486289c AT |
652 | flist = recv_file_list(f_in); |
653 | if (!flist || flist->count == 0) { | |
796d484b | 654 | rprintf(FINFO, "client: nothing to do: " |
d9c7edf6 WD |
655 | "perhaps you need to specify some filenames or " |
656 | "the --recursive option?\n"); | |
9486289c AT |
657 | exit_cleanup(0); |
658 | } | |
d9c7edf6 | 659 | |
9486289c | 660 | local_name = get_local_name(flist,argv[0]); |
d9c7edf6 | 661 | |
9486289c | 662 | status2 = do_recv(f_in,f_out,flist,local_name); |
d9c7edf6 | 663 | |
9486289c | 664 | if (pid != -1) { |
8d9dc9f9 | 665 | if (verbose > 3) |
08a740ff | 666 | rprintf(FINFO,"client_run2 waiting on %d\n", (int) pid); |
f1e3656e | 667 | io_flush(FULL_FLUSH); |
d79d1c69 | 668 | wait_process(pid, &status); |
9486289c | 669 | } |
d9c7edf6 | 670 | |
ff81e809 | 671 | return MAX(status, status2); |
9486289c AT |
672 | } |
673 | ||
7169bb4a MP |
674 | static int copy_argv (char *argv[]) |
675 | { | |
676 | int i; | |
677 | ||
678 | for (i = 0; argv[i]; i++) { | |
679 | if (!(argv[i] = strdup(argv[i]))) { | |
680 | rprintf (FERROR, "out of memory at %s(%d)\n", | |
681 | __FILE__, __LINE__); | |
682 | return RERR_MALLOC; | |
683 | } | |
684 | } | |
685 | ||
686 | return 0; | |
687 | } | |
688 | ||
689 | ||
c1a04ecb | 690 | /** |
0ba48136 MP |
691 | * Start a client for either type of remote connection. Work out |
692 | * whether the arguments request a remote shell or rsyncd connection, | |
693 | * and call the appropriate connection function, then run_client. | |
0b4af330 MP |
694 | * |
695 | * Calls either start_socket_client (for sockets) or do_cmd and | |
696 | * client_run (for ssh). | |
c1a04ecb | 697 | **/ |
fc8a6b97 | 698 | static int start_client(int argc, char *argv[]) |
5d6bcd44 AT |
699 | { |
700 | char *p; | |
701 | char *shell_machine = NULL; | |
702 | char *shell_path = NULL; | |
703 | char *shell_user = NULL; | |
19b27a48 AT |
704 | int ret; |
705 | pid_t pid; | |
5d6bcd44 | 706 | int f_in,f_out; |
7169bb4a MP |
707 | int rc; |
708 | ||
709 | /* Don't clobber argv[] so that ps(1) can still show the right | |
d9c7edf6 | 710 | * command line. */ |
75aeac44 | 711 | if ((rc = copy_argv(argv))) |
7169bb4a | 712 | return rc; |
5d6bcd44 | 713 | |
75aeac44 | 714 | /* rsync:// always uses rsync server over direct socket connection */ |
7169bb4a | 715 | if (strncasecmp(URL_PREFIX, argv[0], strlen(URL_PREFIX)) == 0) { |
f7632fc6 AT |
716 | char *host, *path; |
717 | ||
7169bb4a | 718 | host = argv[0] + strlen(URL_PREFIX); |
f7632fc6 AT |
719 | p = strchr(host,'/'); |
720 | if (p) { | |
721 | *p = 0; | |
722 | path = p+1; | |
723 | } else { | |
a125c82a | 724 | path = ""; |
f7632fc6 | 725 | } |
2acf81eb DD |
726 | p = strchr(host,':'); |
727 | if (p) { | |
728 | rsync_port = atoi(p+1); | |
729 | *p = 0; | |
730 | } | |
f7632fc6 AT |
731 | return start_socket_client(host, path, argc-1, argv+1); |
732 | } | |
733 | ||
088aac85 | 734 | if (!read_batch) { |
a125c82a | 735 | p = find_colon(argv[0]); |
d9c7edf6 | 736 | if (p) { |
7c2a9e76 WD |
737 | if (remote_filesfrom_file |
738 | && remote_filesfrom_file != files_from + 1 | |
739 | && strncmp(files_from, argv[0], p-argv[0]+1) != 0) { | |
740 | rprintf(FERROR, | |
741 | "--files-from hostname is not transfer hostname\n"); | |
742 | exit_cleanup(RERR_SYNTAX); | |
743 | } | |
d9c7edf6 WD |
744 | if (p[1] == ':') { /* double colon */ |
745 | *p = 0; | |
746 | if (!shell_cmd) { | |
747 | return start_socket_client(argv[0], p+2, | |
748 | argc-1, argv+1); | |
749 | } | |
750 | p++; | |
751 | daemon_over_rsh = 1; | |
75aeac44 | 752 | } |
3591c066 | 753 | |
d9c7edf6 WD |
754 | if (argc < 1) { |
755 | usage(FERROR); | |
756 | exit_cleanup(RERR_SYNTAX); | |
757 | } | |
a125c82a | 758 | |
d9c7edf6 WD |
759 | am_sender = 0; |
760 | *p = 0; | |
761 | shell_machine = argv[0]; | |
762 | shell_path = p+1; | |
763 | argc--; | |
764 | argv++; | |
765 | } else { | |
766 | am_sender = 1; | |
767 | ||
768 | /* rsync:// destination uses rsync server over direct socket */ | |
769 | if (strncasecmp(URL_PREFIX, argv[argc-1], strlen(URL_PREFIX)) == 0) { | |
770 | char *host, *path; | |
771 | ||
772 | host = argv[argc-1] + strlen(URL_PREFIX); | |
773 | p = strchr(host,'/'); | |
774 | if (p) { | |
775 | *p = 0; | |
776 | path = p+1; | |
777 | } else { | |
778 | path = ""; | |
779 | } | |
780 | p = strchr(host,':'); | |
781 | if (p) { | |
782 | rsync_port = atoi(p+1); | |
783 | *p = 0; | |
784 | } | |
785 | return start_socket_client(host, path, argc-1, argv); | |
a125c82a | 786 | } |
d9c7edf6 WD |
787 | |
788 | p = find_colon(argv[argc-1]); | |
7c2a9e76 WD |
789 | if (p && remote_filesfrom_file |
790 | && remote_filesfrom_file != files_from + 1 | |
791 | && strncmp(files_from, argv[argc-1], p-argv[argc-1]+1) != 0) { | |
792 | rprintf(FERROR, | |
793 | "--files-from hostname is not transfer hostname\n"); | |
794 | exit_cleanup(RERR_SYNTAX); | |
795 | } | |
d9c7edf6 WD |
796 | if (!p) { |
797 | local_server = 1; | |
7c2a9e76 WD |
798 | if (remote_filesfrom_file) { |
799 | rprintf(FERROR, | |
800 | "--files-from is remote but transfer is local\n"); | |
801 | exit_cleanup(RERR_SYNTAX); | |
802 | } | |
d9c7edf6 | 803 | } else if (p[1] == ':') { /* double colon */ |
a125c82a | 804 | *p = 0; |
d9c7edf6 WD |
805 | if (!shell_cmd) { |
806 | return start_socket_client(argv[argc-1], p+2, | |
807 | argc-1, argv); | |
808 | } | |
809 | p++; | |
810 | daemon_over_rsh = 1; | |
a125c82a | 811 | } |
a125c82a | 812 | |
d9c7edf6 WD |
813 | if (argc < 2) { |
814 | usage(FERROR); | |
815 | exit_cleanup(RERR_SYNTAX); | |
75aeac44 | 816 | } |
3591c066 | 817 | |
d9c7edf6 WD |
818 | if (local_server) { |
819 | shell_machine = NULL; | |
820 | shell_path = argv[argc-1]; | |
821 | } else { | |
822 | *p = 0; | |
823 | shell_machine = argv[argc-1]; | |
824 | shell_path = p+1; | |
825 | } | |
826 | argc--; | |
5d6bcd44 | 827 | } |
6902ed17 | 828 | } else { |
d9c7edf6 WD |
829 | am_sender = 1; |
830 | local_server = 1; | |
831 | shell_path = argv[argc-1]; | |
6902ed17 MP |
832 | } |
833 | ||
5d6bcd44 | 834 | if (shell_machine) { |
6fc048f4 | 835 | p = strrchr(shell_machine,'@'); |
5d6bcd44 AT |
836 | if (p) { |
837 | *p = 0; | |
838 | shell_user = shell_machine; | |
839 | shell_machine = p+1; | |
840 | } | |
841 | } | |
842 | ||
843 | if (verbose > 3) { | |
9486289c | 844 | rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n", |
5d6bcd44 AT |
845 | shell_cmd?shell_cmd:"", |
846 | shell_machine?shell_machine:"", | |
847 | shell_user?shell_user:"", | |
848 | shell_path?shell_path:""); | |
849 | } | |
d9c7edf6 | 850 | |
f7632fc6 | 851 | if (!am_sender && argc > 1) { |
5d6bcd44 | 852 | usage(FERROR); |
65417579 | 853 | exit_cleanup(RERR_SYNTAX); |
5d6bcd44 | 854 | } |
27e3e9c9 AT |
855 | |
856 | if (argc == 0 && !am_sender) { | |
27e3e9c9 AT |
857 | list_only = 1; |
858 | } | |
d9c7edf6 | 859 | |
75aeac44 WD |
860 | pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path, |
861 | &f_in,&f_out); | |
862 | ||
863 | /* if we're running an rsync server on the remote host over a | |
9af87151 | 864 | * remote shell command, we need to do the RSYNCD protocol first */ |
75aeac44 WD |
865 | if (daemon_over_rsh) { |
866 | int tmpret; | |
867 | tmpret = start_inband_exchange(shell_user, shell_path, | |
868 | f_in, f_out, argc); | |
869 | if (tmpret < 0) | |
870 | return tmpret; | |
871 | } | |
872 | ||
fc8a6b97 AT |
873 | ret = client_run(f_in, f_out, pid, argc, argv); |
874 | ||
875 | fflush(stdout); | |
876 | fflush(stderr); | |
877 | ||
878 | return ret; | |
5d6bcd44 AT |
879 | } |
880 | ||
366345fe | 881 | |
067669da WD |
882 | static RETSIGTYPE sigusr1_handler(UNUSED(int val)) |
883 | { | |
65417579 | 884 | exit_cleanup(RERR_SIGNAL); |
82306bf6 AT |
885 | } |
886 | ||
067669da WD |
887 | static RETSIGTYPE sigusr2_handler(UNUSED(int val)) |
888 | { | |
19b27a48 | 889 | if (log_got_error) _exit(RERR_PARTIAL); |
8b35435f AT |
890 | _exit(0); |
891 | } | |
892 | ||
067669da WD |
893 | static RETSIGTYPE sigchld_handler(UNUSED(int val)) |
894 | { | |
029c1713 | 895 | #ifdef WNOHANG |
ee7118a8 DD |
896 | int cnt, status; |
897 | pid_t pid; | |
898 | /* An empty waitpid() loop was put here by Tridge and we could never | |
d9c7edf6 | 899 | * get him to explain why he put it in, so rather than taking it |
ee7118a8 DD |
900 | * out we're instead saving the child exit statuses for later use. |
901 | * The waitpid() loop presumably eliminates all possibility of leaving | |
902 | * zombie children, maybe that's why he did it. | |
903 | */ | |
904 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0) { | |
9af87151 WD |
905 | /* save the child's exit status */ |
906 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { | |
907 | if (pid_stat_table[cnt].pid == 0) { | |
908 | pid_stat_table[cnt].pid = pid; | |
909 | pid_stat_table[cnt].status = status; | |
910 | break; | |
911 | } | |
912 | } | |
ee7118a8 | 913 | } |
029c1713 | 914 | #endif |
19b27a48 AT |
915 | } |
916 | ||
c0531332 MP |
917 | |
918 | /** | |
919 | * This routine catches signals and tries to send them to gdb. | |
920 | * | |
921 | * Because it's called from inside a signal handler it ought not to | |
922 | * use too many library routines. | |
923 | * | |
924 | * @todo Perhaps use "screen -X" instead/as well, to help people | |
925 | * debugging without easy access to X. Perhaps use an environment | |
926 | * variable, or just call a script? | |
927 | * | |
928 | * @todo The /proc/ magic probably only works on Linux (and | |
929 | * Solaris?) Can we be more portable? | |
930 | **/ | |
931 | #ifdef MAINTAINER_MODE | |
4fdc39dd MP |
932 | const char *get_panic_action(void) |
933 | { | |
934 | const char *cmd_fmt = getenv("RSYNC_PANIC_ACTION"); | |
935 | ||
936 | if (cmd_fmt) | |
937 | return cmd_fmt; | |
938 | else | |
939 | return "xterm -display :0 -T Panic -n Panic " | |
940 | "-e gdb /proc/%d/exe %d"; | |
941 | } | |
942 | ||
943 | ||
9fb3f7a9 MP |
944 | /** |
945 | * Handle a fatal signal by launching a debugger, controlled by $RSYNC_PANIC_ACTION. | |
946 | * | |
947 | * This signal handler is only installed if we were configured with | |
948 | * --enable-maintainer-mode. Perhaps it should always be on and we | |
949 | * should just look at the environment variable, but I'm a bit leery | |
950 | * of a signal sending us into a busy loop. | |
951 | **/ | |
067669da | 952 | static RETSIGTYPE rsync_panic_handler(UNUSED(int whatsig)) |
c0531332 MP |
953 | { |
954 | char cmd_buf[300]; | |
955 | int ret; | |
4fdc39dd MP |
956 | |
957 | sprintf(cmd_buf, get_panic_action(), | |
c0531332 MP |
958 | getpid(), getpid()); |
959 | ||
960 | /* Unless we failed to execute gdb, we allow the process to | |
961 | * continue. I'm not sure if that's right. */ | |
962 | ret = system(cmd_buf); | |
963 | if (ret) | |
964 | _exit(ret); | |
965 | } | |
966 | #endif | |
967 | ||
968 | ||
5d6bcd44 | 969 | int main(int argc,char *argv[]) |
d9c7edf6 | 970 | { |
ff81e809 | 971 | int ret; |
088aac85 | 972 | int orig_argc; |
76f79ba7 | 973 | char **orig_argv; |
6902ed17 | 974 | |
088aac85 | 975 | orig_argc = argc; |
76f79ba7 | 976 | orig_argv = argv; |
5d6bcd44 | 977 | |
7a6421fa | 978 | signal(SIGUSR1, sigusr1_handler); |
8b35435f | 979 | signal(SIGUSR2, sigusr2_handler); |
19b27a48 | 980 | signal(SIGCHLD, sigchld_handler); |
c0531332 MP |
981 | #ifdef MAINTAINER_MODE |
982 | signal(SIGSEGV, rsync_panic_handler); | |
983 | signal(SIGFPE, rsync_panic_handler); | |
984 | signal(SIGABRT, rsync_panic_handler); | |
985 | signal(SIGBUS, rsync_panic_handler); | |
986 | #endif /* def MAINTAINER_MODE */ | |
5d6bcd44 | 987 | |
7a6421fa | 988 | starttime = time(NULL); |
6fe05820 | 989 | am_root = (MY_UID() == 0); |
c627d613 | 990 | |
a800434a AT |
991 | memset(&stats, 0, sizeof(stats)); |
992 | ||
df5e03da AT |
993 | if (argc < 2) { |
994 | usage(FERROR); | |
65417579 | 995 | exit_cleanup(RERR_SYNTAX); |
df5e03da AT |
996 | } |
997 | ||
7a6421fa | 998 | /* we set a 0 umask so that correct file permissions can be |
9af87151 | 999 | * carried across */ |
7a6421fa | 1000 | orig_umask = (int)umask(0); |
5d6bcd44 | 1001 | |
50135767 | 1002 | if (!parse_arguments(&argc, (const char ***) &argv, 1)) { |
d9c7edf6 WD |
1003 | /* FIXME: We ought to call the same error-handling |
1004 | * code here, rather than relying on getopt. */ | |
50135767 | 1005 | option_error(); |
65417579 | 1006 | exit_cleanup(RERR_SYNTAX); |
b11ed3b1 | 1007 | } |
5d6bcd44 | 1008 | |
7a6421fa | 1009 | signal(SIGINT,SIGNAL_CAST sig_int); |
7a6421fa | 1010 | signal(SIGHUP,SIGNAL_CAST sig_int); |
8638dd48 | 1011 | signal(SIGTERM,SIGNAL_CAST sig_int); |
6b83141d | 1012 | |
34758d5c MP |
1013 | /* Ignore SIGPIPE; we consistently check error codes and will |
1014 | * see the EPIPE. */ | |
1015 | signal(SIGPIPE, SIG_IGN); | |
1016 | ||
c226b7c2 | 1017 | /* Initialize push_dir here because on some old systems getcwd |
9af87151 WD |
1018 | * (implemented by forking "pwd" and reading its output) doesn't |
1019 | * work when there are other child processes. Also, on all systems | |
1020 | * that implement getcwd that way "pwd" can't be found after chroot. */ | |
59187666 | 1021 | push_dir(NULL); |
c226b7c2 | 1022 | |
44e9e221 WD |
1023 | init_flist(); |
1024 | ||
088aac85 | 1025 | if (write_batch && !am_server) { |
d9c7edf6 | 1026 | write_batch_argvs_file(orig_argc, orig_argv); |
6902ed17 MP |
1027 | } |
1028 | ||
75aeac44 | 1029 | if (am_daemon && !am_server) |
7a6421fa | 1030 | return daemon_main(); |
f0fca04e | 1031 | |
08ac228f AT |
1032 | if (argc < 1) { |
1033 | usage(FERROR); | |
65417579 | 1034 | exit_cleanup(RERR_SYNTAX); |
08ac228f AT |
1035 | } |
1036 | ||
7a6421fa AT |
1037 | if (dry_run) |
1038 | verbose = MAX(verbose,1); | |
c627d613 | 1039 | |
7a6421fa | 1040 | if (am_server) { |
f0359dd0 AT |
1041 | set_nonblocking(STDIN_FILENO); |
1042 | set_nonblocking(STDOUT_FILENO); | |
75aeac44 WD |
1043 | if (am_daemon) |
1044 | return start_daemon(STDIN_FILENO, STDOUT_FILENO); | |
7a6421fa AT |
1045 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); |
1046 | } | |
c627d613 | 1047 | |
ff81e809 | 1048 | ret = start_client(argc, argv); |
d9c7edf6 | 1049 | if (ret == -1) |
9098bbf3 | 1050 | exit_cleanup(RERR_STARTCLIENT); |
088aac85 | 1051 | else |
9098bbf3 MP |
1052 | exit_cleanup(ret); |
1053 | ||
0f5a04e3 | 1054 | return ret; |
c627d613 | 1055 | } |