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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; | |
30 | extern int am_daemon; | |
7a6421fa | 31 | extern int verbose; |
32eda096 WD |
32 | extern int blocking_io; |
33 | extern int cvs_exclude; | |
34 | extern int delete_mode; | |
35 | extern int delete_excluded; | |
36 | extern int delete_after; | |
37 | extern int daemon_over_rsh; | |
38 | extern int do_stats; | |
39 | extern int dry_run; | |
40 | extern int list_only; | |
41 | extern int local_server; | |
42 | extern int log_got_error; | |
43 | extern int module_id; | |
44 | extern int orig_umask; | |
45 | extern int preserve_hard_links; | |
d04e9c51 | 46 | extern int protocol_version; |
32eda096 WD |
47 | extern int recurse; |
48 | extern int relative_paths; | |
49 | extern int rsync_port; | |
50 | extern int read_batch; | |
51 | extern int write_batch; | |
52 | extern int filesfrom_fd; | |
53 | extern pid_t cleanup_child_pid; | |
54 | extern char *files_from; | |
55 | extern char *remote_filesfrom_file; | |
56 | extern char *rsync_path; | |
57 | extern char *shell_cmd; | |
58 | extern struct file_list *batch_flist; | |
c627d613 | 59 | |
ee7118a8 DD |
60 | /* there's probably never more than at most 2 outstanding child processes, |
61 | * but set it higher just in case. | |
62 | */ | |
63 | #define MAXCHILDPROCS 5 | |
64 | ||
65 | struct pid_status { | |
66 | pid_t pid; | |
67 | int status; | |
68 | } pid_stat_table[MAXCHILDPROCS]; | |
69 | ||
e5a2b854 | 70 | static void show_malloc_stats(void); |
82980a23 AT |
71 | |
72 | /**************************************************************************** | |
73 | wait for a process to exit, calling io_flush while waiting | |
74 | ****************************************************************************/ | |
75 | void wait_process(pid_t pid, int *status) | |
76 | { | |
ee7118a8 DD |
77 | pid_t waited_pid; |
78 | int cnt; | |
79 | ||
80 | while ((waited_pid = waitpid(pid, status, WNOHANG)) == 0) { | |
a24c6870 | 81 | msleep(20); |
f1e3656e | 82 | io_flush(FULL_FLUSH); |
82980a23 | 83 | } |
d9c7edf6 | 84 | |
ee7118a8 DD |
85 | if ((waited_pid == -1) && (errno == ECHILD)) { |
86 | /* status of requested child no longer available. | |
87 | * check to see if it was processed by the sigchld_handler. | |
88 | */ | |
89 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { | |
90 | if (pid == pid_stat_table[cnt].pid) { | |
91 | *status = pid_stat_table[cnt].status; | |
92 | pid_stat_table[cnt].pid = 0; | |
93 | break; | |
94 | } | |
95 | } | |
96 | } | |
97 | ||
d9c7edf6 WD |
98 | /* TODO: If the child exited on a signal, then log an |
99 | * appropriate error message. Perhaps we should also accept a | |
100 | * message describing the purpose of the child. Also indicate | |
101 | * this to the caller so that thhey know something went | |
102 | * wrong. */ | |
82980a23 AT |
103 | *status = WEXITSTATUS(*status); |
104 | } | |
105 | ||
c627d613 AT |
106 | static void report(int f) |
107 | { | |
7a6421fa | 108 | time_t t = time(NULL); |
17d31b38 | 109 | int send_stats; |
7a6421fa | 110 | |
7bb7058e | 111 | if (do_stats && verbose > 1) { |
5c15e29f | 112 | /* These come out from every process */ |
7bb7058e | 113 | show_malloc_stats(); |
86943126 | 114 | show_flist_stats(); |
5c15e29f MP |
115 | } |
116 | ||
248fbb8c | 117 | if (am_daemon) { |
a9766ef1 | 118 | log_exit(0, __FILE__, __LINE__); |
7b372642 | 119 | if (f == -1 || !am_sender) return; |
248fbb8c AT |
120 | } |
121 | ||
d04e9c51 | 122 | send_stats = verbose || protocol_version >= 20; |
e19452a9 | 123 | if (am_server) { |
17d31b38 | 124 | if (am_sender && send_stats) { |
23c5aef1 DD |
125 | int64 w; |
126 | /* store total_written in a temporary | |
d9c7edf6 | 127 | * because write_longint changes it */ |
23c5aef1 | 128 | w = stats.total_written; |
e19452a9 | 129 | write_longint(f,stats.total_read); |
23c5aef1 | 130 | write_longint(f,w); |
e19452a9 DD |
131 | write_longint(f,stats.total_size); |
132 | } | |
7a6421fa AT |
133 | return; |
134 | } | |
e19452a9 DD |
135 | |
136 | /* this is the client */ | |
d9c7edf6 | 137 | |
17d31b38 | 138 | if (!am_sender && send_stats) { |
23c5aef1 | 139 | int64 r; |
a800434a | 140 | stats.total_written = read_longint(f); |
23c5aef1 DD |
141 | /* store total_read in a temporary, read_longint changes it */ |
142 | r = read_longint(f); | |
a800434a | 143 | stats.total_size = read_longint(f); |
23c5aef1 | 144 | stats.total_read = r; |
a800434a AT |
145 | } |
146 | ||
147 | if (do_stats) { | |
17d31b38 | 148 | if (!am_sender && !send_stats) { |
d9c7edf6 WD |
149 | /* missing the bytes written by the generator */ |
150 | rprintf(FINFO, "\nCannot show stats as receiver because remote protocol version is less than 20\n"); | |
151 | rprintf(FINFO, "Use --stats -v to show stats\n"); | |
152 | return; | |
17d31b38 | 153 | } |
1f658d42 | 154 | rprintf(FINFO,"\nNumber of files: %d\n", stats.num_files); |
d9c7edf6 WD |
155 | rprintf(FINFO,"Number of files transferred: %d\n", |
156 | stats.num_transferred_files); | |
157 | rprintf(FINFO,"Total file size: %.0f bytes\n", | |
158 | (double)stats.total_size); | |
159 | rprintf(FINFO,"Total transferred file size: %.0f bytes\n", | |
160 | (double)stats.total_transferred_size); | |
161 | rprintf(FINFO,"Literal data: %.0f bytes\n", | |
162 | (double)stats.literal_data); | |
163 | rprintf(FINFO,"Matched data: %.0f bytes\n", | |
164 | (double)stats.matched_data); | |
1f658d42 | 165 | rprintf(FINFO,"File list size: %d\n", stats.flist_size); |
d9c7edf6 WD |
166 | rprintf(FINFO,"Total bytes written: %.0f\n", |
167 | (double)stats.total_written); | |
577ab12c | 168 | rprintf(FINFO,"Total bytes read: %.0f\n", |
d9c7edf6 | 169 | (double)stats.total_read); |
7a6421fa | 170 | } |
d9c7edf6 | 171 | |
e19452a9 | 172 | if (verbose || do_stats) { |
577ab12c | 173 | rprintf(FINFO,"\nwrote %.0f bytes read %.0f bytes %.2f bytes/sec\n", |
d9c7edf6 WD |
174 | (double)stats.total_written, |
175 | (double)stats.total_read, | |
176 | (stats.total_written+stats.total_read)/(0.5 + (t-starttime))); | |
e19452a9 | 177 | rprintf(FINFO,"total size is %.0f speedup is %.2f\n", |
d9c7edf6 WD |
178 | (double)stats.total_size, |
179 | (1.0*stats.total_size)/(stats.total_written+stats.total_read)); | |
e19452a9 | 180 | } |
fc8a6b97 AT |
181 | |
182 | fflush(stdout); | |
183 | fflush(stderr); | |
c627d613 AT |
184 | } |
185 | ||
186 | ||
e5a2b854 MP |
187 | /** |
188 | * If our C library can get malloc statistics, then show them to FINFO | |
189 | **/ | |
190 | static void show_malloc_stats(void) | |
191 | { | |
192 | #ifdef HAVE_MALLINFO | |
193 | struct mallinfo mi; | |
194 | ||
195 | mi = mallinfo(); | |
196 | ||
ce672562 | 197 | rprintf(FINFO, "\n" RSYNC_NAME "[%d] (%s%s%s) heap statistics:\n", |
5c15e29f MP |
198 | getpid(), |
199 | am_server ? "server " : "", | |
200 | am_daemon ? "daemon " : "", | |
201 | am_sender ? "sender" : "receiver"); | |
e5a2b854 MP |
202 | rprintf(FINFO, " arena: %10d (bytes from sbrk)\n", mi.arena); |
203 | rprintf(FINFO, " ordblks: %10d (chunks not in use)\n", mi.ordblks); | |
204 | rprintf(FINFO, " smblks: %10d\n", mi.smblks); | |
205 | rprintf(FINFO, " hblks: %10d (chunks from mmap)\n", mi.hblks); | |
206 | rprintf(FINFO, " hblkhd: %10d (bytes from mmap)\n", mi.hblkhd); | |
207 | rprintf(FINFO, " usmblks: %10d\n", mi.usmblks); | |
208 | rprintf(FINFO, " fsmblks: %10d\n", mi.fsmblks); | |
209 | rprintf(FINFO, " uordblks: %10d (bytes used)\n", mi.uordblks); | |
210 | rprintf(FINFO, " fordblks: %10d (bytes free)\n", mi.fordblks); | |
211 | rprintf(FINFO, " keepcost: %10d (bytes in releasable chunk)\n", mi.keepcost); | |
212 | #endif /* HAVE_MALLINFO */ | |
213 | } | |
214 | ||
215 | ||
0882faa2 | 216 | /* Start the remote shell. cmd may be NULL to use the default. */ |
19b27a48 | 217 | static pid_t do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out) |
c627d613 | 218 | { |
366345fe | 219 | char *args[100]; |
19b27a48 AT |
220 | int i,argc=0; |
221 | pid_t ret; | |
366345fe | 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 | ||
235 | for (tok=strtok(cmd," ");tok;tok=strtok(NULL," ")) { | |
236 | args[argc++] = tok; | |
237 | } | |
c627d613 | 238 | |
d9c7edf6 | 239 | /* check to see if we've already been given '-l user' in |
9af87151 | 240 | * the remote-shell command */ |
bb4aa89c WD |
241 | for (i = 0; i < argc-1; i++) { |
242 | if (!strcmp(args[i], "-l") && args[i+1][0] != '-') | |
243 | dash_l_set = 1; | |
244 | } | |
245 | ||
7b8356d0 | 246 | #if HAVE_REMSH |
366345fe AT |
247 | /* remsh (on HPUX) takes the arguments the other way around */ |
248 | args[argc++] = machine; | |
bb4aa89c | 249 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
250 | args[argc++] = "-l"; |
251 | args[argc++] = user; | |
252 | } | |
7b8356d0 | 253 | #else |
bb4aa89c | 254 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
255 | args[argc++] = "-l"; |
256 | args[argc++] = user; | |
257 | } | |
258 | args[argc++] = machine; | |
7b8356d0 | 259 | #endif |
c627d613 | 260 | |
366345fe | 261 | args[argc++] = rsync_path; |
c627d613 | 262 | |
9af87151 | 263 | if (blocking_io < 0) { |
90e22f4b WD |
264 | char *cp; |
265 | if ((cp = strrchr(cmd, '/')) != NULL) | |
266 | cp++; | |
267 | else | |
268 | cp = cmd; | |
269 | if (strcmp(cp, "rsh") == 0 || strcmp(cp, "remsh") == 0) | |
270 | blocking_io = 1; | |
66b71163 | 271 | } |
e384bfbd | 272 | |
93689aa5 | 273 | server_options(args,&argc); |
366345fe | 274 | } |
c627d613 | 275 | |
366345fe | 276 | args[argc++] = "."; |
76076c4b | 277 | |
d9c7edf6 | 278 | if (!daemon_over_rsh && path && *path) |
366345fe | 279 | args[argc++] = path; |
c627d613 | 280 | |
366345fe | 281 | args[argc] = NULL; |
c627d613 | 282 | |
366345fe | 283 | if (verbose > 3) { |
9486289c | 284 | rprintf(FINFO,"cmd="); |
366345fe | 285 | for (i=0;i<argc;i++) |
9486289c AT |
286 | rprintf(FINFO,"%s ",args[i]); |
287 | rprintf(FINFO,"\n"); | |
366345fe AT |
288 | } |
289 | ||
290 | if (local_server) { | |
6902ed17 | 291 | if (read_batch) |
d9c7edf6 | 292 | create_flist_from_batch(); /* sets batch_flist */ |
25d34a5c | 293 | ret = local_child(argc, args, f_in, f_out, child_main); |
366345fe AT |
294 | } else { |
295 | ret = piped_child(args,f_in,f_out); | |
296 | } | |
c627d613 | 297 | |
366345fe | 298 | if (dir) free(dir); |
82306bf6 | 299 | |
366345fe | 300 | return ret; |
c627d613 AT |
301 | |
302 | oom: | |
366345fe AT |
303 | out_of_memory("do_cmd"); |
304 | return 0; /* not reached */ | |
c627d613 AT |
305 | } |
306 | ||
307 | ||
308 | ||
309 | ||
310 | static char *get_local_name(struct file_list *flist,char *name) | |
311 | { | |
7a6421fa | 312 | STRUCT_STAT st; |
87cc45e1 | 313 | int e; |
c627d613 | 314 | |
c95da96a | 315 | if (verbose > 2) |
d9c7edf6 | 316 | rprintf(FINFO,"get_local_name count=%d %s\n", |
1f0610ef DD |
317 | flist->count, NS(name)); |
318 | ||
d9c7edf6 | 319 | if (!name) |
1f0610ef | 320 | return NULL; |
c95da96a | 321 | |
1ff5450d AT |
322 | if (do_stat(name,&st) == 0) { |
323 | if (S_ISDIR(st.st_mode)) { | |
59187666 | 324 | if (!push_dir(name)) { |
ea42541f WD |
325 | rprintf(FERROR, "push_dir %s failed: %s (1)\n", |
326 | full_fname(name), strerror(errno)); | |
65417579 | 327 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
328 | } |
329 | return NULL; | |
330 | } | |
331 | if (flist->count > 1) { | |
332 | rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n"); | |
65417579 | 333 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
334 | } |
335 | return name; | |
336 | } | |
337 | ||
87cc45e1 | 338 | if (flist->count <= 1 && ((e = strlen(name)) <= 1 || name[e-1] != '/')) |
1ff5450d AT |
339 | return name; |
340 | ||
1ff5450d | 341 | if (do_mkdir(name,0777 & ~orig_umask) != 0) { |
ea42541f WD |
342 | rprintf(FERROR, "mkdir %s failed: %s\n", |
343 | full_fname(name), strerror(errno)); | |
65417579 | 344 | exit_cleanup(RERR_FILEIO); |
1ff5450d | 345 | } else { |
b536f47e AT |
346 | if (verbose > 0) |
347 | rprintf(FINFO,"created directory %s\n",name); | |
1ff5450d AT |
348 | } |
349 | ||
59187666 | 350 | if (!push_dir(name)) { |
ea42541f WD |
351 | rprintf(FERROR, "push_dir %s failed: %s (2)\n", |
352 | full_fname(name), strerror(errno)); | |
65417579 | 353 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
354 | } |
355 | ||
356 | return NULL; | |
c627d613 AT |
357 | } |
358 | ||
359 | ||
9486289c | 360 | static void do_server_sender(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 361 | { |
7a6421fa AT |
362 | int i; |
363 | struct file_list *flist; | |
364 | char *dir = argv[0]; | |
c627d613 | 365 | |
7a6421fa AT |
366 | if (verbose > 2) |
367 | rprintf(FINFO,"server_sender starting pid=%d\n",(int)getpid()); | |
d9c7edf6 | 368 | |
59187666 | 369 | if (!relative_paths && !push_dir(dir)) { |
ea42541f WD |
370 | rprintf(FERROR, "push_dir %s failed: %s (3)\n", |
371 | full_fname(dir), strerror(errno)); | |
65417579 | 372 | exit_cleanup(RERR_FILESELECT); |
7a6421fa AT |
373 | } |
374 | argc--; | |
375 | argv++; | |
d9c7edf6 | 376 | |
7a6421fa AT |
377 | if (strcmp(dir,".")) { |
378 | int l = strlen(dir); | |
d9c7edf6 | 379 | if (strcmp(dir,"/") == 0) |
7a6421fa AT |
380 | l = 0; |
381 | for (i=0;i<argc;i++) | |
382 | argv[i] += l+1; | |
383 | } | |
c627d613 | 384 | |
7a6421fa AT |
385 | if (argc == 0 && recurse) { |
386 | argc=1; | |
387 | argv--; | |
388 | argv[0] = "."; | |
389 | } | |
d9c7edf6 | 390 | |
7a6421fa | 391 | flist = send_file_list(f_out,argc,argv); |
8d9dc9f9 AT |
392 | if (!flist || flist->count == 0) { |
393 | exit_cleanup(0); | |
394 | } | |
395 | ||
76c21947 WD |
396 | io_start_buffering_in(f_in); |
397 | io_start_buffering_out(f_out); | |
7a6421fa | 398 | send_files(flist,f_out,f_in); |
f1e3656e | 399 | io_flush(FULL_FLUSH); |
7a6421fa | 400 | report(f_out); |
d04e9c51 | 401 | if (protocol_version >= 24) { |
d9c7edf6 | 402 | /* final goodbye message */ |
64c3523a WD |
403 | read_int(f_in); |
404 | } | |
f1e3656e | 405 | io_flush(FULL_FLUSH); |
7a6421fa | 406 | exit_cleanup(0); |
c627d613 AT |
407 | } |
408 | ||
409 | ||
dc5ddbcc AT |
410 | static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name) |
411 | { | |
d186eb1a AT |
412 | int pid; |
413 | int status=0; | |
554e0a8d | 414 | int error_pipe[2]; |
dc5ddbcc | 415 | |
d186eb1a AT |
416 | if (preserve_hard_links) |
417 | init_hard_links(flist); | |
dc5ddbcc | 418 | |
6957ae33 AT |
419 | if (!delete_after) { |
420 | /* I moved this here from recv_files() to prevent a race condition */ | |
421 | if (recurse && delete_mode && !local_name && flist->count>0) { | |
422 | delete_files(flist); | |
423 | } | |
424 | } | |
425 | ||
08f15335 | 426 | if (fd_pair(error_pipe) < 0) { |
554e0a8d AT |
427 | rprintf(FERROR,"error pipe failed in do_recv\n"); |
428 | exit_cleanup(RERR_SOCKETIO); | |
429 | } | |
d9c7edf6 | 430 | |
f1e3656e | 431 | io_flush(NORMAL_FLUSH); |
c6e7fcb4 | 432 | |
d186eb1a | 433 | if ((pid=do_fork()) == 0) { |
554e0a8d | 434 | close(error_pipe[0]); |
e08c9610 AT |
435 | if (f_in != f_out) close(f_out); |
436 | ||
554e0a8d AT |
437 | /* we can't let two processes write to the socket at one time */ |
438 | io_multiplexing_close(); | |
439 | ||
440 | /* set place to send errors */ | |
f1e3656e | 441 | set_msg_fd_out(error_pipe[1]); |
554e0a8d | 442 | |
f1e3656e WD |
443 | recv_files(f_in,flist,local_name); |
444 | io_flush(FULL_FLUSH); | |
ba5e128d | 445 | report(f_in); |
e08c9610 | 446 | |
f1e3656e WD |
447 | send_msg(MSG_DONE, "", 0); |
448 | io_flush(FULL_FLUSH); | |
4a748188 | 449 | /* finally we go to sleep until our parent kills us |
9af87151 WD |
450 | * with a USR2 signal. We sleep for a short time as on |
451 | * some OSes a signal won't interrupt a sleep! */ | |
f1e3656e WD |
452 | while (1) |
453 | msleep(20); | |
d186eb1a | 454 | } |
dc5ddbcc | 455 | |
554e0a8d | 456 | close(error_pipe[1]); |
e08c9610 | 457 | if (f_in != f_out) close(f_in); |
e1b3d5c4 | 458 | |
76c21947 | 459 | io_start_buffering_out(f_out); |
b3e10ed7 | 460 | |
f1e3656e | 461 | set_msg_fd_in(error_pipe[0]); |
554e0a8d | 462 | |
f1e3656e | 463 | generate_files(f_out, flist, local_name); |
8d9dc9f9 | 464 | |
f1e3656e WD |
465 | get_redo_num(); /* Read final -1, and any prior messages. */ |
466 | io_flush(FULL_FLUSH); | |
d04e9c51 | 467 | if (protocol_version >= 24) { |
8ada7518 AT |
468 | /* send a final goodbye message */ |
469 | write_int(f_out, -1); | |
470 | } | |
f1e3656e | 471 | io_flush(FULL_FLUSH); |
8ada7518 | 472 | |
f1e3656e | 473 | set_msg_fd_in(-1); |
089a2435 | 474 | kill(pid, SIGUSR2); |
d79d1c69 | 475 | wait_process(pid, &status); |
d186eb1a | 476 | return status; |
dc5ddbcc AT |
477 | } |
478 | ||
c627d613 | 479 | |
9486289c | 480 | static void do_server_recv(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 481 | { |
7a6421fa AT |
482 | int status; |
483 | struct file_list *flist; | |
484 | char *local_name=NULL; | |
485 | char *dir = NULL; | |
f0fca04e | 486 | |
7a6421fa AT |
487 | if (verbose > 2) |
488 | rprintf(FINFO,"server_recv(%d) starting pid=%d\n",argc,(int)getpid()); | |
09b7f5db AT |
489 | |
490 | if (am_daemon && lp_read_only(module_id) && !am_sender) { | |
491 | rprintf(FERROR,"ERROR: module is read only\n"); | |
492 | exit_cleanup(RERR_SYNTAX); | |
493 | return; | |
494 | } | |
495 | ||
d9c7edf6 | 496 | |
7a6421fa AT |
497 | if (argc > 0) { |
498 | dir = argv[0]; | |
499 | argc--; | |
500 | argv++; | |
59187666 | 501 | if (!am_daemon && !push_dir(dir)) { |
ea42541f WD |
502 | rprintf(FERROR, "push_dir %s failed: %s (4)\n", |
503 | full_fname(dir), strerror(errno)); | |
65417579 | 504 | exit_cleanup(RERR_FILESELECT); |
d9c7edf6 | 505 | } |
7a6421fa | 506 | } |
c627d613 | 507 | |
76c21947 | 508 | io_start_buffering_in(f_in); |
b33b791e | 509 | if (delete_mode && !delete_excluded) |
7a6421fa | 510 | recv_exclude_list(f_in); |
c627d613 | 511 | |
7c2a9e76 WD |
512 | if (filesfrom_fd >= 0) { |
513 | /* We're receiving the file info from the sender, so we need | |
514 | * the IO routines to automatically write out the names onto | |
515 | * our f_out socket as we read the list info from the sender. | |
516 | * This avoids both deadlock and extra delays/buffers. */ | |
517 | io_set_filesfrom_fds(filesfrom_fd, f_out); | |
518 | filesfrom_fd = -1; | |
519 | } | |
520 | ||
088aac85 | 521 | if (read_batch) |
d9c7edf6 | 522 | flist = batch_flist; |
6902ed17 | 523 | else |
d9c7edf6 | 524 | flist = recv_file_list(f_in); |
4c36a13e AT |
525 | if (!flist) { |
526 | rprintf(FERROR,"server_recv: recv_file_list error\n"); | |
65417579 | 527 | exit_cleanup(RERR_FILESELECT); |
7a6421fa | 528 | } |
d9c7edf6 WD |
529 | |
530 | if (argc > 0) { | |
7a6421fa AT |
531 | if (strcmp(dir,".")) { |
532 | argv[0] += strlen(dir); | |
533 | if (argv[0][0] == '/') argv[0]++; | |
534 | } | |
535 | local_name = get_local_name(flist,argv[0]); | |
536 | } | |
c627d613 | 537 | |
7a6421fa AT |
538 | status = do_recv(f_in,f_out,flist,local_name); |
539 | exit_cleanup(status); | |
c627d613 AT |
540 | } |
541 | ||
542 | ||
734a94a2 | 543 | int child_main(int argc, char *argv[]) |
25d34a5c MP |
544 | { |
545 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); | |
734a94a2 | 546 | return 0; |
25d34a5c MP |
547 | } |
548 | ||
549 | ||
9486289c | 550 | void start_server(int f_in, int f_out, int argc, char *argv[]) |
366345fe | 551 | { |
6d7b6081 AT |
552 | setup_protocol(f_out, f_in); |
553 | ||
f0359dd0 AT |
554 | set_nonblocking(f_in); |
555 | set_nonblocking(f_out); | |
556 | ||
d04e9c51 | 557 | if (protocol_version >= 23) |
ff41a59f | 558 | io_start_multiplex_out(f_out); |
7a6421fa | 559 | |
7a6421fa | 560 | if (am_sender) { |
088aac85 | 561 | if (!read_batch) { |
d9c7edf6 WD |
562 | recv_exclude_list(f_in); |
563 | if (cvs_exclude) | |
564 | add_cvs_excludes(); | |
6902ed17 | 565 | } |
7a6421fa AT |
566 | do_server_sender(f_in, f_out, argc, argv); |
567 | } else { | |
568 | do_server_recv(f_in, f_out, argc, argv); | |
569 | } | |
570 | exit_cleanup(0); | |
366345fe AT |
571 | } |
572 | ||
0ba48136 MP |
573 | |
574 | /* | |
575 | * This is called once the connection has been negotiated. It is used | |
576 | * for rsyncd, remote-shell, and local connections. | |
577 | */ | |
19b27a48 | 578 | int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[]) |
9486289c | 579 | { |
088aac85 | 580 | struct file_list *flist = NULL; |
9486289c AT |
581 | int status = 0, status2 = 0; |
582 | char *local_name = NULL; | |
19b27a48 AT |
583 | |
584 | cleanup_child_pid = pid; | |
6902ed17 | 585 | if (read_batch) |
d9c7edf6 | 586 | flist = batch_flist; |
ff41a59f | 587 | |
f0359dd0 AT |
588 | set_nonblocking(f_in); |
589 | set_nonblocking(f_out); | |
590 | ||
6d7b6081 AT |
591 | setup_protocol(f_out,f_in); |
592 | ||
d04e9c51 | 593 | if (protocol_version >= 23) |
ff41a59f | 594 | io_start_multiplex_in(f_in); |
d9c7edf6 | 595 | |
9486289c | 596 | if (am_sender) { |
76c21947 | 597 | io_start_buffering_out(f_out); |
9486289c AT |
598 | if (cvs_exclude) |
599 | add_cvs_excludes(); | |
d9c7edf6 | 600 | if (delete_mode && !delete_excluded) |
9486289c | 601 | send_exclude_list(f_out); |
7c2a9e76 WD |
602 | if (remote_filesfrom_file) |
603 | filesfrom_fd = f_in; | |
64c3523a | 604 | if (!read_batch) /* don't write to pipe */ |
d9c7edf6 WD |
605 | flist = send_file_list(f_out,argc,argv); |
606 | if (verbose > 3) | |
9486289c | 607 | rprintf(FINFO,"file list sent\n"); |
e1b3d5c4 | 608 | |
f1e3656e | 609 | io_flush(NORMAL_FLUSH); |
9486289c | 610 | send_files(flist,f_out,f_in); |
f1e3656e | 611 | io_flush(FULL_FLUSH); |
d04e9c51 | 612 | if (protocol_version >= 24) { |
d9c7edf6 | 613 | /* final goodbye message */ |
6c65e146 AT |
614 | read_int(f_in); |
615 | } | |
9486289c AT |
616 | if (pid != -1) { |
617 | if (verbose > 3) | |
08a740ff | 618 | rprintf(FINFO,"client_run waiting on %d\n", (int) pid); |
f1e3656e | 619 | io_flush(FULL_FLUSH); |
d79d1c69 | 620 | wait_process(pid, &status); |
9486289c | 621 | } |
3d382777 | 622 | report(-1); |
f1e3656e | 623 | io_flush(FULL_FLUSH); |
9486289c AT |
624 | exit_cleanup(status); |
625 | } | |
f7632fc6 | 626 | |
27e3e9c9 | 627 | if (argc == 0) { |
27e3e9c9 AT |
628 | list_only = 1; |
629 | } | |
d9c7edf6 | 630 | |
088aac85 | 631 | if (!write_batch) |
d9c7edf6 WD |
632 | send_exclude_list(f_out); |
633 | ||
7c2a9e76 WD |
634 | if (filesfrom_fd >= 0) { |
635 | io_set_filesfrom_fds(filesfrom_fd, f_out); | |
636 | filesfrom_fd = -1; | |
637 | } | |
638 | ||
9486289c AT |
639 | flist = recv_file_list(f_in); |
640 | if (!flist || flist->count == 0) { | |
796d484b | 641 | rprintf(FINFO, "client: nothing to do: " |
d9c7edf6 WD |
642 | "perhaps you need to specify some filenames or " |
643 | "the --recursive option?\n"); | |
9486289c AT |
644 | exit_cleanup(0); |
645 | } | |
d9c7edf6 | 646 | |
9486289c | 647 | local_name = get_local_name(flist,argv[0]); |
d9c7edf6 | 648 | |
9486289c | 649 | status2 = do_recv(f_in,f_out,flist,local_name); |
d9c7edf6 | 650 | |
9486289c | 651 | if (pid != -1) { |
8d9dc9f9 | 652 | if (verbose > 3) |
08a740ff | 653 | rprintf(FINFO,"client_run2 waiting on %d\n", (int) pid); |
f1e3656e | 654 | io_flush(FULL_FLUSH); |
d79d1c69 | 655 | wait_process(pid, &status); |
9486289c | 656 | } |
d9c7edf6 | 657 | |
ff81e809 | 658 | return MAX(status, status2); |
9486289c AT |
659 | } |
660 | ||
7169bb4a MP |
661 | static int copy_argv (char *argv[]) |
662 | { | |
663 | int i; | |
664 | ||
665 | for (i = 0; argv[i]; i++) { | |
666 | if (!(argv[i] = strdup(argv[i]))) { | |
667 | rprintf (FERROR, "out of memory at %s(%d)\n", | |
668 | __FILE__, __LINE__); | |
669 | return RERR_MALLOC; | |
670 | } | |
671 | } | |
672 | ||
673 | return 0; | |
674 | } | |
675 | ||
676 | ||
c1a04ecb | 677 | /** |
0ba48136 MP |
678 | * Start a client for either type of remote connection. Work out |
679 | * whether the arguments request a remote shell or rsyncd connection, | |
680 | * and call the appropriate connection function, then run_client. | |
0b4af330 MP |
681 | * |
682 | * Calls either start_socket_client (for sockets) or do_cmd and | |
683 | * client_run (for ssh). | |
c1a04ecb | 684 | **/ |
fc8a6b97 | 685 | static int start_client(int argc, char *argv[]) |
5d6bcd44 AT |
686 | { |
687 | char *p; | |
688 | char *shell_machine = NULL; | |
689 | char *shell_path = NULL; | |
690 | char *shell_user = NULL; | |
19b27a48 AT |
691 | int ret; |
692 | pid_t pid; | |
5d6bcd44 | 693 | int f_in,f_out; |
7169bb4a MP |
694 | int rc; |
695 | ||
696 | /* Don't clobber argv[] so that ps(1) can still show the right | |
d9c7edf6 | 697 | * command line. */ |
75aeac44 | 698 | if ((rc = copy_argv(argv))) |
7169bb4a | 699 | return rc; |
5d6bcd44 | 700 | |
75aeac44 | 701 | /* rsync:// always uses rsync server over direct socket connection */ |
7169bb4a | 702 | if (strncasecmp(URL_PREFIX, argv[0], strlen(URL_PREFIX)) == 0) { |
f7632fc6 AT |
703 | char *host, *path; |
704 | ||
7169bb4a | 705 | host = argv[0] + strlen(URL_PREFIX); |
f7632fc6 AT |
706 | p = strchr(host,'/'); |
707 | if (p) { | |
708 | *p = 0; | |
709 | path = p+1; | |
710 | } else { | |
a125c82a | 711 | path = ""; |
f7632fc6 | 712 | } |
2acf81eb DD |
713 | p = strchr(host,':'); |
714 | if (p) { | |
715 | rsync_port = atoi(p+1); | |
716 | *p = 0; | |
717 | } | |
f7632fc6 AT |
718 | return start_socket_client(host, path, argc-1, argv+1); |
719 | } | |
720 | ||
088aac85 | 721 | if (!read_batch) { |
a125c82a | 722 | p = find_colon(argv[0]); |
d9c7edf6 | 723 | if (p) { |
7c2a9e76 WD |
724 | if (remote_filesfrom_file |
725 | && remote_filesfrom_file != files_from + 1 | |
726 | && strncmp(files_from, argv[0], p-argv[0]+1) != 0) { | |
727 | rprintf(FERROR, | |
728 | "--files-from hostname is not transfer hostname\n"); | |
729 | exit_cleanup(RERR_SYNTAX); | |
730 | } | |
d9c7edf6 WD |
731 | if (p[1] == ':') { /* double colon */ |
732 | *p = 0; | |
733 | if (!shell_cmd) { | |
734 | return start_socket_client(argv[0], p+2, | |
735 | argc-1, argv+1); | |
736 | } | |
737 | p++; | |
738 | daemon_over_rsh = 1; | |
75aeac44 | 739 | } |
3591c066 | 740 | |
d9c7edf6 WD |
741 | if (argc < 1) { |
742 | usage(FERROR); | |
743 | exit_cleanup(RERR_SYNTAX); | |
744 | } | |
a125c82a | 745 | |
d9c7edf6 WD |
746 | am_sender = 0; |
747 | *p = 0; | |
748 | shell_machine = argv[0]; | |
749 | shell_path = p+1; | |
750 | argc--; | |
751 | argv++; | |
752 | } else { | |
753 | am_sender = 1; | |
754 | ||
755 | /* rsync:// destination uses rsync server over direct socket */ | |
756 | if (strncasecmp(URL_PREFIX, argv[argc-1], strlen(URL_PREFIX)) == 0) { | |
757 | char *host, *path; | |
758 | ||
759 | host = argv[argc-1] + strlen(URL_PREFIX); | |
760 | p = strchr(host,'/'); | |
761 | if (p) { | |
762 | *p = 0; | |
763 | path = p+1; | |
764 | } else { | |
765 | path = ""; | |
766 | } | |
767 | p = strchr(host,':'); | |
768 | if (p) { | |
769 | rsync_port = atoi(p+1); | |
770 | *p = 0; | |
771 | } | |
772 | return start_socket_client(host, path, argc-1, argv); | |
a125c82a | 773 | } |
d9c7edf6 WD |
774 | |
775 | p = find_colon(argv[argc-1]); | |
7c2a9e76 WD |
776 | if (p && remote_filesfrom_file |
777 | && remote_filesfrom_file != files_from + 1 | |
778 | && strncmp(files_from, argv[argc-1], p-argv[argc-1]+1) != 0) { | |
779 | rprintf(FERROR, | |
780 | "--files-from hostname is not transfer hostname\n"); | |
781 | exit_cleanup(RERR_SYNTAX); | |
782 | } | |
d9c7edf6 WD |
783 | if (!p) { |
784 | local_server = 1; | |
7c2a9e76 WD |
785 | if (remote_filesfrom_file) { |
786 | rprintf(FERROR, | |
787 | "--files-from is remote but transfer is local\n"); | |
788 | exit_cleanup(RERR_SYNTAX); | |
789 | } | |
d9c7edf6 | 790 | } else if (p[1] == ':') { /* double colon */ |
a125c82a | 791 | *p = 0; |
d9c7edf6 WD |
792 | if (!shell_cmd) { |
793 | return start_socket_client(argv[argc-1], p+2, | |
794 | argc-1, argv); | |
795 | } | |
796 | p++; | |
797 | daemon_over_rsh = 1; | |
a125c82a | 798 | } |
a125c82a | 799 | |
d9c7edf6 WD |
800 | if (argc < 2) { |
801 | usage(FERROR); | |
802 | exit_cleanup(RERR_SYNTAX); | |
75aeac44 | 803 | } |
3591c066 | 804 | |
d9c7edf6 WD |
805 | if (local_server) { |
806 | shell_machine = NULL; | |
807 | shell_path = argv[argc-1]; | |
808 | } else { | |
809 | *p = 0; | |
810 | shell_machine = argv[argc-1]; | |
811 | shell_path = p+1; | |
812 | } | |
813 | argc--; | |
5d6bcd44 | 814 | } |
6902ed17 | 815 | } else { |
d9c7edf6 WD |
816 | am_sender = 1; |
817 | local_server = 1; | |
818 | shell_path = argv[argc-1]; | |
6902ed17 MP |
819 | } |
820 | ||
5d6bcd44 | 821 | if (shell_machine) { |
6fc048f4 | 822 | p = strrchr(shell_machine,'@'); |
5d6bcd44 AT |
823 | if (p) { |
824 | *p = 0; | |
825 | shell_user = shell_machine; | |
826 | shell_machine = p+1; | |
827 | } | |
828 | } | |
829 | ||
830 | if (verbose > 3) { | |
9486289c | 831 | rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n", |
5d6bcd44 AT |
832 | shell_cmd?shell_cmd:"", |
833 | shell_machine?shell_machine:"", | |
834 | shell_user?shell_user:"", | |
835 | shell_path?shell_path:""); | |
836 | } | |
d9c7edf6 | 837 | |
f7632fc6 | 838 | if (!am_sender && argc > 1) { |
5d6bcd44 | 839 | usage(FERROR); |
65417579 | 840 | exit_cleanup(RERR_SYNTAX); |
5d6bcd44 | 841 | } |
27e3e9c9 AT |
842 | |
843 | if (argc == 0 && !am_sender) { | |
27e3e9c9 AT |
844 | list_only = 1; |
845 | } | |
d9c7edf6 | 846 | |
75aeac44 WD |
847 | pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path, |
848 | &f_in,&f_out); | |
849 | ||
850 | /* if we're running an rsync server on the remote host over a | |
9af87151 | 851 | * remote shell command, we need to do the RSYNCD protocol first */ |
75aeac44 WD |
852 | if (daemon_over_rsh) { |
853 | int tmpret; | |
854 | tmpret = start_inband_exchange(shell_user, shell_path, | |
855 | f_in, f_out, argc); | |
856 | if (tmpret < 0) | |
857 | return tmpret; | |
858 | } | |
859 | ||
fc8a6b97 AT |
860 | ret = client_run(f_in, f_out, pid, argc, argv); |
861 | ||
862 | fflush(stdout); | |
863 | fflush(stderr); | |
864 | ||
865 | return ret; | |
5d6bcd44 AT |
866 | } |
867 | ||
366345fe | 868 | |
067669da WD |
869 | static RETSIGTYPE sigusr1_handler(UNUSED(int val)) |
870 | { | |
65417579 | 871 | exit_cleanup(RERR_SIGNAL); |
82306bf6 AT |
872 | } |
873 | ||
067669da WD |
874 | static RETSIGTYPE sigusr2_handler(UNUSED(int val)) |
875 | { | |
19b27a48 | 876 | if (log_got_error) _exit(RERR_PARTIAL); |
8b35435f AT |
877 | _exit(0); |
878 | } | |
879 | ||
067669da WD |
880 | static RETSIGTYPE sigchld_handler(UNUSED(int val)) |
881 | { | |
029c1713 | 882 | #ifdef WNOHANG |
ee7118a8 DD |
883 | int cnt, status; |
884 | pid_t pid; | |
885 | /* An empty waitpid() loop was put here by Tridge and we could never | |
d9c7edf6 | 886 | * get him to explain why he put it in, so rather than taking it |
ee7118a8 DD |
887 | * out we're instead saving the child exit statuses for later use. |
888 | * The waitpid() loop presumably eliminates all possibility of leaving | |
889 | * zombie children, maybe that's why he did it. | |
890 | */ | |
891 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0) { | |
9af87151 WD |
892 | /* save the child's exit status */ |
893 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { | |
894 | if (pid_stat_table[cnt].pid == 0) { | |
895 | pid_stat_table[cnt].pid = pid; | |
896 | pid_stat_table[cnt].status = status; | |
897 | break; | |
898 | } | |
899 | } | |
ee7118a8 | 900 | } |
029c1713 | 901 | #endif |
19b27a48 AT |
902 | } |
903 | ||
c0531332 MP |
904 | |
905 | /** | |
906 | * This routine catches signals and tries to send them to gdb. | |
907 | * | |
908 | * Because it's called from inside a signal handler it ought not to | |
909 | * use too many library routines. | |
910 | * | |
911 | * @todo Perhaps use "screen -X" instead/as well, to help people | |
912 | * debugging without easy access to X. Perhaps use an environment | |
913 | * variable, or just call a script? | |
914 | * | |
915 | * @todo The /proc/ magic probably only works on Linux (and | |
916 | * Solaris?) Can we be more portable? | |
917 | **/ | |
918 | #ifdef MAINTAINER_MODE | |
4fdc39dd MP |
919 | const char *get_panic_action(void) |
920 | { | |
921 | const char *cmd_fmt = getenv("RSYNC_PANIC_ACTION"); | |
922 | ||
923 | if (cmd_fmt) | |
924 | return cmd_fmt; | |
925 | else | |
926 | return "xterm -display :0 -T Panic -n Panic " | |
927 | "-e gdb /proc/%d/exe %d"; | |
928 | } | |
929 | ||
930 | ||
9fb3f7a9 MP |
931 | /** |
932 | * Handle a fatal signal by launching a debugger, controlled by $RSYNC_PANIC_ACTION. | |
933 | * | |
934 | * This signal handler is only installed if we were configured with | |
935 | * --enable-maintainer-mode. Perhaps it should always be on and we | |
936 | * should just look at the environment variable, but I'm a bit leery | |
937 | * of a signal sending us into a busy loop. | |
938 | **/ | |
067669da | 939 | static RETSIGTYPE rsync_panic_handler(UNUSED(int whatsig)) |
c0531332 MP |
940 | { |
941 | char cmd_buf[300]; | |
942 | int ret; | |
4fdc39dd MP |
943 | |
944 | sprintf(cmd_buf, get_panic_action(), | |
c0531332 MP |
945 | getpid(), getpid()); |
946 | ||
947 | /* Unless we failed to execute gdb, we allow the process to | |
948 | * continue. I'm not sure if that's right. */ | |
949 | ret = system(cmd_buf); | |
950 | if (ret) | |
951 | _exit(ret); | |
952 | } | |
953 | #endif | |
954 | ||
955 | ||
5d6bcd44 | 956 | int main(int argc,char *argv[]) |
d9c7edf6 | 957 | { |
ff81e809 | 958 | int ret; |
088aac85 | 959 | int orig_argc; |
76f79ba7 | 960 | char **orig_argv; |
6902ed17 | 961 | |
088aac85 | 962 | orig_argc = argc; |
76f79ba7 | 963 | orig_argv = argv; |
5d6bcd44 | 964 | |
7a6421fa | 965 | signal(SIGUSR1, sigusr1_handler); |
8b35435f | 966 | signal(SIGUSR2, sigusr2_handler); |
19b27a48 | 967 | signal(SIGCHLD, sigchld_handler); |
c0531332 MP |
968 | #ifdef MAINTAINER_MODE |
969 | signal(SIGSEGV, rsync_panic_handler); | |
970 | signal(SIGFPE, rsync_panic_handler); | |
971 | signal(SIGABRT, rsync_panic_handler); | |
972 | signal(SIGBUS, rsync_panic_handler); | |
973 | #endif /* def MAINTAINER_MODE */ | |
5d6bcd44 | 974 | |
7a6421fa AT |
975 | starttime = time(NULL); |
976 | am_root = (getuid() == 0); | |
c627d613 | 977 | |
a800434a AT |
978 | memset(&stats, 0, sizeof(stats)); |
979 | ||
df5e03da AT |
980 | if (argc < 2) { |
981 | usage(FERROR); | |
65417579 | 982 | exit_cleanup(RERR_SYNTAX); |
df5e03da AT |
983 | } |
984 | ||
7a6421fa | 985 | /* we set a 0 umask so that correct file permissions can be |
9af87151 | 986 | * carried across */ |
7a6421fa | 987 | orig_umask = (int)umask(0); |
5d6bcd44 | 988 | |
50135767 | 989 | if (!parse_arguments(&argc, (const char ***) &argv, 1)) { |
d9c7edf6 WD |
990 | /* FIXME: We ought to call the same error-handling |
991 | * code here, rather than relying on getopt. */ | |
50135767 | 992 | option_error(); |
65417579 | 993 | exit_cleanup(RERR_SYNTAX); |
b11ed3b1 | 994 | } |
5d6bcd44 | 995 | |
7a6421fa | 996 | signal(SIGINT,SIGNAL_CAST sig_int); |
7a6421fa | 997 | signal(SIGHUP,SIGNAL_CAST sig_int); |
8638dd48 | 998 | signal(SIGTERM,SIGNAL_CAST sig_int); |
6b83141d | 999 | |
34758d5c MP |
1000 | /* Ignore SIGPIPE; we consistently check error codes and will |
1001 | * see the EPIPE. */ | |
1002 | signal(SIGPIPE, SIG_IGN); | |
1003 | ||
c226b7c2 | 1004 | /* Initialize push_dir here because on some old systems getcwd |
9af87151 WD |
1005 | * (implemented by forking "pwd" and reading its output) doesn't |
1006 | * work when there are other child processes. Also, on all systems | |
1007 | * that implement getcwd that way "pwd" can't be found after chroot. */ | |
59187666 | 1008 | push_dir(NULL); |
c226b7c2 | 1009 | |
088aac85 | 1010 | if (write_batch && !am_server) { |
d9c7edf6 | 1011 | write_batch_argvs_file(orig_argc, orig_argv); |
6902ed17 MP |
1012 | } |
1013 | ||
75aeac44 | 1014 | if (am_daemon && !am_server) |
7a6421fa | 1015 | return daemon_main(); |
f0fca04e | 1016 | |
08ac228f AT |
1017 | if (argc < 1) { |
1018 | usage(FERROR); | |
65417579 | 1019 | exit_cleanup(RERR_SYNTAX); |
08ac228f AT |
1020 | } |
1021 | ||
7a6421fa AT |
1022 | if (dry_run) |
1023 | verbose = MAX(verbose,1); | |
c627d613 | 1024 | |
cbbe4892 | 1025 | #ifndef SUPPORT_LINKS |
7a6421fa AT |
1026 | if (!am_server && preserve_links) { |
1027 | rprintf(FERROR,"ERROR: symbolic links not supported\n"); | |
65417579 | 1028 | exit_cleanup(RERR_UNSUPPORTED); |
7a6421fa | 1029 | } |
cbbe4892 AT |
1030 | #endif |
1031 | ||
7a6421fa | 1032 | if (am_server) { |
f0359dd0 AT |
1033 | set_nonblocking(STDIN_FILENO); |
1034 | set_nonblocking(STDOUT_FILENO); | |
75aeac44 WD |
1035 | if (am_daemon) |
1036 | return start_daemon(STDIN_FILENO, STDOUT_FILENO); | |
7a6421fa AT |
1037 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); |
1038 | } | |
c627d613 | 1039 | |
ff81e809 | 1040 | ret = start_client(argc, argv); |
d9c7edf6 | 1041 | if (ret == -1) |
9098bbf3 | 1042 | exit_cleanup(RERR_STARTCLIENT); |
088aac85 | 1043 | else |
9098bbf3 MP |
1044 | exit_cleanup(ret); |
1045 | ||
0f5a04e3 | 1046 | return ret; |
c627d613 | 1047 | } |