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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; |
7c2a9e76 WD |
27 | extern char *files_from; |
28 | extern int filesfrom_fd; | |
29 | extern char *remote_filesfrom_file; | |
d9c7edf6 WD |
30 | extern int am_server; |
31 | extern int am_sender; | |
32 | extern int am_daemon; | |
7a6421fa | 33 | extern int verbose; |
d04e9c51 | 34 | extern int protocol_version; |
c627d613 | 35 | |
ee7118a8 DD |
36 | /* there's probably never more than at most 2 outstanding child processes, |
37 | * but set it higher just in case. | |
38 | */ | |
39 | #define MAXCHILDPROCS 5 | |
40 | ||
41 | struct pid_status { | |
42 | pid_t pid; | |
43 | int status; | |
44 | } pid_stat_table[MAXCHILDPROCS]; | |
45 | ||
e5a2b854 | 46 | static void show_malloc_stats(void); |
82980a23 AT |
47 | |
48 | /**************************************************************************** | |
49 | wait for a process to exit, calling io_flush while waiting | |
50 | ****************************************************************************/ | |
51 | void wait_process(pid_t pid, int *status) | |
52 | { | |
ee7118a8 DD |
53 | pid_t waited_pid; |
54 | int cnt; | |
55 | ||
56 | while ((waited_pid = waitpid(pid, status, WNOHANG)) == 0) { | |
a24c6870 | 57 | msleep(20); |
82980a23 AT |
58 | io_flush(); |
59 | } | |
d9c7edf6 | 60 | |
ee7118a8 DD |
61 | if ((waited_pid == -1) && (errno == ECHILD)) { |
62 | /* status of requested child no longer available. | |
63 | * check to see if it was processed by the sigchld_handler. | |
64 | */ | |
65 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { | |
66 | if (pid == pid_stat_table[cnt].pid) { | |
67 | *status = pid_stat_table[cnt].status; | |
68 | pid_stat_table[cnt].pid = 0; | |
69 | break; | |
70 | } | |
71 | } | |
72 | } | |
73 | ||
d9c7edf6 WD |
74 | /* TODO: If the child exited on a signal, then log an |
75 | * appropriate error message. Perhaps we should also accept a | |
76 | * message describing the purpose of the child. Also indicate | |
77 | * this to the caller so that thhey know something went | |
78 | * wrong. */ | |
82980a23 AT |
79 | *status = WEXITSTATUS(*status); |
80 | } | |
81 | ||
c627d613 AT |
82 | static void report(int f) |
83 | { | |
7a6421fa | 84 | time_t t = time(NULL); |
a800434a | 85 | extern int do_stats; |
17d31b38 | 86 | int send_stats; |
7a6421fa | 87 | |
7bb7058e | 88 | if (do_stats && verbose > 1) { |
5c15e29f | 89 | /* These come out from every process */ |
7bb7058e | 90 | show_malloc_stats(); |
86943126 | 91 | show_flist_stats(); |
5c15e29f MP |
92 | } |
93 | ||
248fbb8c | 94 | if (am_daemon) { |
a9766ef1 | 95 | log_exit(0, __FILE__, __LINE__); |
7b372642 | 96 | if (f == -1 || !am_sender) return; |
248fbb8c AT |
97 | } |
98 | ||
d04e9c51 | 99 | send_stats = verbose || protocol_version >= 20; |
e19452a9 | 100 | if (am_server) { |
17d31b38 | 101 | if (am_sender && send_stats) { |
23c5aef1 DD |
102 | int64 w; |
103 | /* store total_written in a temporary | |
d9c7edf6 | 104 | * because write_longint changes it */ |
23c5aef1 | 105 | w = stats.total_written; |
e19452a9 | 106 | write_longint(f,stats.total_read); |
23c5aef1 | 107 | write_longint(f,w); |
e19452a9 DD |
108 | write_longint(f,stats.total_size); |
109 | } | |
7a6421fa AT |
110 | return; |
111 | } | |
e19452a9 DD |
112 | |
113 | /* this is the client */ | |
d9c7edf6 | 114 | |
17d31b38 | 115 | if (!am_sender && send_stats) { |
23c5aef1 | 116 | int64 r; |
a800434a | 117 | stats.total_written = read_longint(f); |
23c5aef1 DD |
118 | /* store total_read in a temporary, read_longint changes it */ |
119 | r = read_longint(f); | |
a800434a | 120 | stats.total_size = read_longint(f); |
23c5aef1 | 121 | stats.total_read = r; |
a800434a AT |
122 | } |
123 | ||
124 | if (do_stats) { | |
17d31b38 | 125 | if (!am_sender && !send_stats) { |
d9c7edf6 WD |
126 | /* missing the bytes written by the generator */ |
127 | rprintf(FINFO, "\nCannot show stats as receiver because remote protocol version is less than 20\n"); | |
128 | rprintf(FINFO, "Use --stats -v to show stats\n"); | |
129 | return; | |
17d31b38 | 130 | } |
1f658d42 | 131 | rprintf(FINFO,"\nNumber of files: %d\n", stats.num_files); |
d9c7edf6 WD |
132 | rprintf(FINFO,"Number of files transferred: %d\n", |
133 | stats.num_transferred_files); | |
134 | rprintf(FINFO,"Total file size: %.0f bytes\n", | |
135 | (double)stats.total_size); | |
136 | rprintf(FINFO,"Total transferred file size: %.0f bytes\n", | |
137 | (double)stats.total_transferred_size); | |
138 | rprintf(FINFO,"Literal data: %.0f bytes\n", | |
139 | (double)stats.literal_data); | |
140 | rprintf(FINFO,"Matched data: %.0f bytes\n", | |
141 | (double)stats.matched_data); | |
1f658d42 | 142 | rprintf(FINFO,"File list size: %d\n", stats.flist_size); |
d9c7edf6 WD |
143 | rprintf(FINFO,"Total bytes written: %.0f\n", |
144 | (double)stats.total_written); | |
577ab12c | 145 | rprintf(FINFO,"Total bytes read: %.0f\n", |
d9c7edf6 | 146 | (double)stats.total_read); |
7a6421fa | 147 | } |
d9c7edf6 | 148 | |
e19452a9 | 149 | if (verbose || do_stats) { |
577ab12c | 150 | rprintf(FINFO,"\nwrote %.0f bytes read %.0f bytes %.2f bytes/sec\n", |
d9c7edf6 WD |
151 | (double)stats.total_written, |
152 | (double)stats.total_read, | |
153 | (stats.total_written+stats.total_read)/(0.5 + (t-starttime))); | |
e19452a9 | 154 | rprintf(FINFO,"total size is %.0f speedup is %.2f\n", |
d9c7edf6 WD |
155 | (double)stats.total_size, |
156 | (1.0*stats.total_size)/(stats.total_written+stats.total_read)); | |
e19452a9 | 157 | } |
fc8a6b97 AT |
158 | |
159 | fflush(stdout); | |
160 | fflush(stderr); | |
c627d613 AT |
161 | } |
162 | ||
163 | ||
e5a2b854 MP |
164 | /** |
165 | * If our C library can get malloc statistics, then show them to FINFO | |
166 | **/ | |
167 | static void show_malloc_stats(void) | |
168 | { | |
169 | #ifdef HAVE_MALLINFO | |
170 | struct mallinfo mi; | |
171 | ||
172 | mi = mallinfo(); | |
173 | ||
5c15e29f MP |
174 | rprintf(FINFO, RSYNC_NAME "[%d] (%s%s%s) heap statistics:\n", |
175 | getpid(), | |
176 | am_server ? "server " : "", | |
177 | am_daemon ? "daemon " : "", | |
178 | am_sender ? "sender" : "receiver"); | |
e5a2b854 MP |
179 | rprintf(FINFO, " arena: %10d (bytes from sbrk)\n", mi.arena); |
180 | rprintf(FINFO, " ordblks: %10d (chunks not in use)\n", mi.ordblks); | |
181 | rprintf(FINFO, " smblks: %10d\n", mi.smblks); | |
182 | rprintf(FINFO, " hblks: %10d (chunks from mmap)\n", mi.hblks); | |
183 | rprintf(FINFO, " hblkhd: %10d (bytes from mmap)\n", mi.hblkhd); | |
184 | rprintf(FINFO, " usmblks: %10d\n", mi.usmblks); | |
185 | rprintf(FINFO, " fsmblks: %10d\n", mi.fsmblks); | |
186 | rprintf(FINFO, " uordblks: %10d (bytes used)\n", mi.uordblks); | |
187 | rprintf(FINFO, " fordblks: %10d (bytes free)\n", mi.fordblks); | |
188 | rprintf(FINFO, " keepcost: %10d (bytes in releasable chunk)\n", mi.keepcost); | |
189 | #endif /* HAVE_MALLINFO */ | |
190 | } | |
191 | ||
192 | ||
0882faa2 | 193 | /* Start the remote shell. cmd may be NULL to use the default. */ |
19b27a48 | 194 | static pid_t do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out) |
c627d613 | 195 | { |
366345fe | 196 | char *args[100]; |
19b27a48 AT |
197 | int i,argc=0; |
198 | pid_t ret; | |
366345fe | 199 | char *tok,*dir=NULL; |
bb4aa89c | 200 | int dash_l_set = 0; |
7a6421fa AT |
201 | extern int local_server; |
202 | extern char *rsync_path; | |
e384bfbd | 203 | extern int blocking_io; |
75aeac44 | 204 | extern int daemon_over_rsh; |
6902ed17 | 205 | extern int read_batch; |
366345fe | 206 | |
088aac85 | 207 | if (!read_batch && !local_server) { |
366345fe AT |
208 | if (!cmd) |
209 | cmd = getenv(RSYNC_RSH_ENV); | |
210 | if (!cmd) | |
211 | cmd = RSYNC_RSH; | |
212 | cmd = strdup(cmd); | |
d9c7edf6 | 213 | if (!cmd) |
366345fe AT |
214 | goto oom; |
215 | ||
216 | for (tok=strtok(cmd," ");tok;tok=strtok(NULL," ")) { | |
217 | args[argc++] = tok; | |
218 | } | |
c627d613 | 219 | |
d9c7edf6 | 220 | /* check to see if we've already been given '-l user' in |
bb4aa89c WD |
221 | the remote-shell command */ |
222 | for (i = 0; i < argc-1; i++) { | |
223 | if (!strcmp(args[i], "-l") && args[i+1][0] != '-') | |
224 | dash_l_set = 1; | |
225 | } | |
226 | ||
7b8356d0 | 227 | #if HAVE_REMSH |
366345fe AT |
228 | /* remsh (on HPUX) takes the arguments the other way around */ |
229 | args[argc++] = machine; | |
bb4aa89c | 230 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
231 | args[argc++] = "-l"; |
232 | args[argc++] = user; | |
233 | } | |
7b8356d0 | 234 | #else |
bb4aa89c | 235 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
236 | args[argc++] = "-l"; |
237 | args[argc++] = user; | |
238 | } | |
239 | args[argc++] = machine; | |
7b8356d0 | 240 | #endif |
c627d613 | 241 | |
366345fe | 242 | args[argc++] = rsync_path; |
c627d613 | 243 | |
93689aa5 DD |
244 | if ((blocking_io == -1) && (strcmp(cmd, RSYNC_RSH) == 0)) |
245 | blocking_io = 1; | |
e384bfbd | 246 | |
93689aa5 | 247 | server_options(args,&argc); |
e384bfbd | 248 | |
366345fe | 249 | } |
c627d613 | 250 | |
366345fe | 251 | args[argc++] = "."; |
76076c4b | 252 | |
d9c7edf6 | 253 | if (!daemon_over_rsh && path && *path) |
366345fe | 254 | args[argc++] = path; |
c627d613 | 255 | |
366345fe | 256 | args[argc] = NULL; |
c627d613 | 257 | |
366345fe | 258 | if (verbose > 3) { |
9486289c | 259 | rprintf(FINFO,"cmd="); |
366345fe | 260 | for (i=0;i<argc;i++) |
9486289c AT |
261 | rprintf(FINFO,"%s ",args[i]); |
262 | rprintf(FINFO,"\n"); | |
366345fe AT |
263 | } |
264 | ||
265 | if (local_server) { | |
6902ed17 | 266 | if (read_batch) |
d9c7edf6 | 267 | create_flist_from_batch(); /* sets batch_flist */ |
25d34a5c | 268 | ret = local_child(argc, args, f_in, f_out, child_main); |
366345fe AT |
269 | } else { |
270 | ret = piped_child(args,f_in,f_out); | |
271 | } | |
c627d613 | 272 | |
366345fe | 273 | if (dir) free(dir); |
82306bf6 | 274 | |
366345fe | 275 | return ret; |
c627d613 AT |
276 | |
277 | oom: | |
366345fe AT |
278 | out_of_memory("do_cmd"); |
279 | return 0; /* not reached */ | |
c627d613 AT |
280 | } |
281 | ||
282 | ||
283 | ||
284 | ||
285 | static char *get_local_name(struct file_list *flist,char *name) | |
286 | { | |
7a6421fa | 287 | STRUCT_STAT st; |
87cc45e1 | 288 | int e; |
7a6421fa | 289 | extern int orig_umask; |
c627d613 | 290 | |
c95da96a | 291 | if (verbose > 2) |
d9c7edf6 | 292 | rprintf(FINFO,"get_local_name count=%d %s\n", |
1f0610ef DD |
293 | flist->count, NS(name)); |
294 | ||
d9c7edf6 | 295 | if (!name) |
1f0610ef | 296 | return NULL; |
c95da96a | 297 | |
1ff5450d AT |
298 | if (do_stat(name,&st) == 0) { |
299 | if (S_ISDIR(st.st_mode)) { | |
5243c216 AT |
300 | if (!push_dir(name, 0)) { |
301 | rprintf(FERROR,"push_dir %s : %s (1)\n", | |
1ff5450d | 302 | name,strerror(errno)); |
65417579 | 303 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
304 | } |
305 | return NULL; | |
306 | } | |
307 | if (flist->count > 1) { | |
308 | rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n"); | |
65417579 | 309 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
310 | } |
311 | return name; | |
312 | } | |
313 | ||
87cc45e1 | 314 | if (flist->count <= 1 && ((e = strlen(name)) <= 1 || name[e-1] != '/')) |
1ff5450d AT |
315 | return name; |
316 | ||
1ff5450d | 317 | if (do_mkdir(name,0777 & ~orig_umask) != 0) { |
b84ba896 MP |
318 | rprintf(FERROR, RSYNC_NAME ": mkdir %s: %s\n", |
319 | name, strerror(errno)); | |
65417579 | 320 | exit_cleanup(RERR_FILEIO); |
1ff5450d | 321 | } else { |
b536f47e AT |
322 | if (verbose > 0) |
323 | rprintf(FINFO,"created directory %s\n",name); | |
1ff5450d AT |
324 | } |
325 | ||
5243c216 | 326 | if (!push_dir(name, 0)) { |
b84ba896 MP |
327 | rprintf(FERROR, RSYNC_NAME ": push_dir %s: %s\n", |
328 | name, strerror(errno)); | |
65417579 | 329 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
330 | } |
331 | ||
332 | return NULL; | |
c627d613 AT |
333 | } |
334 | ||
335 | ||
336 | ||
337 | ||
9486289c | 338 | static void do_server_sender(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 339 | { |
7a6421fa AT |
340 | int i; |
341 | struct file_list *flist; | |
342 | char *dir = argv[0]; | |
343 | extern int relative_paths; | |
7a6421fa | 344 | extern int recurse; |
c627d613 | 345 | |
7a6421fa AT |
346 | if (verbose > 2) |
347 | rprintf(FINFO,"server_sender starting pid=%d\n",(int)getpid()); | |
d9c7edf6 | 348 | |
5243c216 AT |
349 | if (!relative_paths && !push_dir(dir, 0)) { |
350 | rprintf(FERROR,"push_dir %s: %s (3)\n",dir,strerror(errno)); | |
65417579 | 351 | exit_cleanup(RERR_FILESELECT); |
7a6421fa AT |
352 | } |
353 | argc--; | |
354 | argv++; | |
d9c7edf6 | 355 | |
7a6421fa AT |
356 | if (strcmp(dir,".")) { |
357 | int l = strlen(dir); | |
d9c7edf6 | 358 | if (strcmp(dir,"/") == 0) |
7a6421fa AT |
359 | l = 0; |
360 | for (i=0;i<argc;i++) | |
361 | argv[i] += l+1; | |
362 | } | |
c627d613 | 363 | |
7a6421fa AT |
364 | if (argc == 0 && recurse) { |
365 | argc=1; | |
366 | argv--; | |
367 | argv[0] = "."; | |
368 | } | |
d9c7edf6 | 369 | |
7a6421fa | 370 | flist = send_file_list(f_out,argc,argv); |
8d9dc9f9 AT |
371 | if (!flist || flist->count == 0) { |
372 | exit_cleanup(0); | |
373 | } | |
374 | ||
7a6421fa | 375 | send_files(flist,f_out,f_in); |
3d382777 | 376 | io_flush(); |
7a6421fa | 377 | report(f_out); |
d04e9c51 | 378 | if (protocol_version >= 24) { |
d9c7edf6 | 379 | /* final goodbye message */ |
adc19c98 AT |
380 | read_int(f_in); |
381 | } | |
8d9dc9f9 | 382 | io_flush(); |
7a6421fa | 383 | exit_cleanup(0); |
c627d613 AT |
384 | } |
385 | ||
386 | ||
dc5ddbcc AT |
387 | static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name) |
388 | { | |
d186eb1a AT |
389 | int pid; |
390 | int status=0; | |
391 | int recv_pipe[2]; | |
554e0a8d | 392 | int error_pipe[2]; |
d186eb1a | 393 | extern int preserve_hard_links; |
6957ae33 AT |
394 | extern int delete_after; |
395 | extern int recurse; | |
396 | extern int delete_mode; | |
dc5ddbcc | 397 | |
d186eb1a AT |
398 | if (preserve_hard_links) |
399 | init_hard_links(flist); | |
dc5ddbcc | 400 | |
6957ae33 AT |
401 | if (!delete_after) { |
402 | /* I moved this here from recv_files() to prevent a race condition */ | |
403 | if (recurse && delete_mode && !local_name && flist->count>0) { | |
404 | delete_files(flist); | |
405 | } | |
406 | } | |
407 | ||
08f15335 | 408 | if (fd_pair(recv_pipe) < 0) { |
d186eb1a | 409 | rprintf(FERROR,"pipe failed in do_recv\n"); |
65417579 | 410 | exit_cleanup(RERR_SOCKETIO); |
d186eb1a | 411 | } |
554e0a8d | 412 | |
08f15335 | 413 | if (fd_pair(error_pipe) < 0) { |
554e0a8d AT |
414 | rprintf(FERROR,"error pipe failed in do_recv\n"); |
415 | exit_cleanup(RERR_SOCKETIO); | |
416 | } | |
d9c7edf6 | 417 | |
8d9dc9f9 | 418 | io_flush(); |
c6e7fcb4 | 419 | |
d186eb1a | 420 | if ((pid=do_fork()) == 0) { |
e08c9610 | 421 | close(recv_pipe[0]); |
554e0a8d | 422 | close(error_pipe[0]); |
e08c9610 AT |
423 | if (f_in != f_out) close(f_out); |
424 | ||
554e0a8d AT |
425 | /* we can't let two processes write to the socket at one time */ |
426 | io_multiplexing_close(); | |
427 | ||
428 | /* set place to send errors */ | |
429 | set_error_fd(error_pipe[1]); | |
430 | ||
e08c9610 | 431 | recv_files(f_in,flist,local_name,recv_pipe[1]); |
3d382777 | 432 | io_flush(); |
ba5e128d | 433 | report(f_in); |
e08c9610 | 434 | |
8b35435f AT |
435 | write_int(recv_pipe[1],1); |
436 | close(recv_pipe[1]); | |
8d9dc9f9 | 437 | io_flush(); |
4a748188 | 438 | /* finally we go to sleep until our parent kills us |
27e3e9c9 | 439 | with a USR2 signal. We sleep for a short time as on |
4a748188 | 440 | some OSes a signal won't interrupt a sleep! */ |
e1bd49d6 MP |
441 | while (msleep(20)) |
442 | ; | |
d186eb1a | 443 | } |
dc5ddbcc | 444 | |
e08c9610 | 445 | close(recv_pipe[1]); |
554e0a8d | 446 | close(error_pipe[1]); |
e08c9610 | 447 | if (f_in != f_out) close(f_in); |
e1b3d5c4 | 448 | |
b3e10ed7 AT |
449 | io_start_buffering(f_out); |
450 | ||
554e0a8d AT |
451 | io_set_error_fd(error_pipe[0]); |
452 | ||
e08c9610 | 453 | generate_files(f_out,flist,local_name,recv_pipe[0]); |
8d9dc9f9 | 454 | |
8b35435f AT |
455 | read_int(recv_pipe[0]); |
456 | close(recv_pipe[0]); | |
d04e9c51 | 457 | if (protocol_version >= 24) { |
8ada7518 AT |
458 | /* send a final goodbye message */ |
459 | write_int(f_out, -1); | |
460 | } | |
8d9dc9f9 | 461 | io_flush(); |
8ada7518 | 462 | |
b5ae4aba | 463 | io_set_error_fd(-1); |
089a2435 | 464 | kill(pid, SIGUSR2); |
d79d1c69 | 465 | wait_process(pid, &status); |
d186eb1a | 466 | return status; |
dc5ddbcc AT |
467 | } |
468 | ||
c627d613 | 469 | |
9486289c | 470 | static void do_server_recv(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 471 | { |
7a6421fa AT |
472 | int status; |
473 | struct file_list *flist; | |
474 | char *local_name=NULL; | |
475 | char *dir = NULL; | |
476 | extern int delete_mode; | |
b33b791e | 477 | extern int delete_excluded; |
09b7f5db | 478 | extern int module_id; |
088aac85 DD |
479 | extern int read_batch; |
480 | extern struct file_list *batch_flist; | |
f0fca04e | 481 | |
7a6421fa AT |
482 | if (verbose > 2) |
483 | rprintf(FINFO,"server_recv(%d) starting pid=%d\n",argc,(int)getpid()); | |
09b7f5db AT |
484 | |
485 | if (am_daemon && lp_read_only(module_id) && !am_sender) { | |
486 | rprintf(FERROR,"ERROR: module is read only\n"); | |
487 | exit_cleanup(RERR_SYNTAX); | |
488 | return; | |
489 | } | |
490 | ||
d9c7edf6 | 491 | |
7a6421fa AT |
492 | if (argc > 0) { |
493 | dir = argv[0]; | |
494 | argc--; | |
495 | argv++; | |
5243c216 AT |
496 | if (!am_daemon && !push_dir(dir, 0)) { |
497 | rprintf(FERROR,"push_dir %s : %s (4)\n", | |
7a6421fa | 498 | dir,strerror(errno)); |
65417579 | 499 | exit_cleanup(RERR_FILESELECT); |
d9c7edf6 | 500 | } |
7a6421fa | 501 | } |
c627d613 | 502 | |
b33b791e | 503 | if (delete_mode && !delete_excluded) |
7a6421fa | 504 | recv_exclude_list(f_in); |
c627d613 | 505 | |
7c2a9e76 WD |
506 | if (filesfrom_fd >= 0) { |
507 | /* We're receiving the file info from the sender, so we need | |
508 | * the IO routines to automatically write out the names onto | |
509 | * our f_out socket as we read the list info from the sender. | |
510 | * This avoids both deadlock and extra delays/buffers. */ | |
511 | io_set_filesfrom_fds(filesfrom_fd, f_out); | |
512 | filesfrom_fd = -1; | |
513 | } | |
514 | ||
088aac85 | 515 | if (read_batch) |
d9c7edf6 | 516 | flist = batch_flist; |
6902ed17 | 517 | else |
d9c7edf6 | 518 | flist = recv_file_list(f_in); |
4c36a13e AT |
519 | if (!flist) { |
520 | rprintf(FERROR,"server_recv: recv_file_list error\n"); | |
65417579 | 521 | exit_cleanup(RERR_FILESELECT); |
7a6421fa | 522 | } |
d9c7edf6 WD |
523 | |
524 | if (argc > 0) { | |
7a6421fa AT |
525 | if (strcmp(dir,".")) { |
526 | argv[0] += strlen(dir); | |
527 | if (argv[0][0] == '/') argv[0]++; | |
528 | } | |
529 | local_name = get_local_name(flist,argv[0]); | |
530 | } | |
c627d613 | 531 | |
7a6421fa AT |
532 | status = do_recv(f_in,f_out,flist,local_name); |
533 | exit_cleanup(status); | |
c627d613 AT |
534 | } |
535 | ||
536 | ||
734a94a2 | 537 | int child_main(int argc, char *argv[]) |
25d34a5c MP |
538 | { |
539 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); | |
734a94a2 | 540 | return 0; |
25d34a5c MP |
541 | } |
542 | ||
543 | ||
9486289c | 544 | void start_server(int f_in, int f_out, int argc, char *argv[]) |
366345fe | 545 | { |
7a6421fa | 546 | extern int cvs_exclude; |
088aac85 | 547 | extern int read_batch; |
ff41a59f | 548 | |
6d7b6081 AT |
549 | setup_protocol(f_out, f_in); |
550 | ||
f0359dd0 AT |
551 | set_nonblocking(f_in); |
552 | set_nonblocking(f_out); | |
553 | ||
d04e9c51 | 554 | if (protocol_version >= 23) |
ff41a59f | 555 | io_start_multiplex_out(f_out); |
7a6421fa | 556 | |
7a6421fa | 557 | if (am_sender) { |
088aac85 | 558 | if (!read_batch) { |
d9c7edf6 WD |
559 | recv_exclude_list(f_in); |
560 | if (cvs_exclude) | |
561 | add_cvs_excludes(); | |
6902ed17 | 562 | } |
7a6421fa AT |
563 | do_server_sender(f_in, f_out, argc, argv); |
564 | } else { | |
565 | do_server_recv(f_in, f_out, argc, argv); | |
566 | } | |
567 | exit_cleanup(0); | |
366345fe AT |
568 | } |
569 | ||
0ba48136 MP |
570 | |
571 | /* | |
572 | * This is called once the connection has been negotiated. It is used | |
573 | * for rsyncd, remote-shell, and local connections. | |
574 | */ | |
19b27a48 | 575 | int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[]) |
9486289c | 576 | { |
088aac85 | 577 | struct file_list *flist = NULL; |
9486289c AT |
578 | int status = 0, status2 = 0; |
579 | char *local_name = NULL; | |
19b27a48 | 580 | extern pid_t cleanup_child_pid; |
088aac85 DD |
581 | extern int write_batch; |
582 | extern int read_batch; | |
583 | extern struct file_list *batch_flist; | |
19b27a48 AT |
584 | |
585 | cleanup_child_pid = pid; | |
6902ed17 | 586 | if (read_batch) |
d9c7edf6 | 587 | flist = batch_flist; |
ff41a59f | 588 | |
f0359dd0 AT |
589 | set_nonblocking(f_in); |
590 | set_nonblocking(f_out); | |
591 | ||
6d7b6081 AT |
592 | setup_protocol(f_out,f_in); |
593 | ||
d04e9c51 | 594 | if (protocol_version >= 23) |
ff41a59f | 595 | io_start_multiplex_in(f_in); |
d9c7edf6 | 596 | |
9486289c | 597 | if (am_sender) { |
7a6421fa AT |
598 | extern int cvs_exclude; |
599 | extern int delete_mode; | |
b33b791e | 600 | extern int delete_excluded; |
9486289c AT |
601 | if (cvs_exclude) |
602 | add_cvs_excludes(); | |
d9c7edf6 | 603 | if (delete_mode && !delete_excluded) |
9486289c | 604 | send_exclude_list(f_out); |
7c2a9e76 WD |
605 | if (remote_filesfrom_file) |
606 | filesfrom_fd = f_in; | |
6902ed17 | 607 | if (!read_batch) /* dw -- don't write to pipe */ |
d9c7edf6 WD |
608 | flist = send_file_list(f_out,argc,argv); |
609 | if (verbose > 3) | |
9486289c | 610 | rprintf(FINFO,"file list sent\n"); |
e1b3d5c4 | 611 | |
9486289c | 612 | send_files(flist,f_out,f_in); |
d04e9c51 | 613 | if (protocol_version >= 24) { |
d9c7edf6 | 614 | /* final goodbye message */ |
6c65e146 AT |
615 | read_int(f_in); |
616 | } | |
9486289c AT |
617 | if (pid != -1) { |
618 | if (verbose > 3) | |
08a740ff | 619 | rprintf(FINFO,"client_run waiting on %d\n", (int) pid); |
8d9dc9f9 | 620 | io_flush(); |
d79d1c69 | 621 | wait_process(pid, &status); |
9486289c | 622 | } |
3d382777 | 623 | report(-1); |
9486289c AT |
624 | exit_cleanup(status); |
625 | } | |
f7632fc6 | 626 | |
27e3e9c9 AT |
627 | if (argc == 0) { |
628 | extern int list_only; | |
629 | list_only = 1; | |
630 | } | |
d9c7edf6 | 631 | |
088aac85 | 632 | if (!write_batch) |
d9c7edf6 WD |
633 | send_exclude_list(f_out); |
634 | ||
7c2a9e76 WD |
635 | if (filesfrom_fd >= 0) { |
636 | io_set_filesfrom_fds(filesfrom_fd, f_out); | |
637 | filesfrom_fd = -1; | |
638 | } | |
639 | ||
9486289c AT |
640 | flist = recv_file_list(f_in); |
641 | if (!flist || flist->count == 0) { | |
796d484b | 642 | rprintf(FINFO, "client: nothing to do: " |
d9c7edf6 WD |
643 | "perhaps you need to specify some filenames or " |
644 | "the --recursive option?\n"); | |
9486289c AT |
645 | exit_cleanup(0); |
646 | } | |
d9c7edf6 | 647 | |
9486289c | 648 | local_name = get_local_name(flist,argv[0]); |
d9c7edf6 | 649 | |
9486289c | 650 | status2 = do_recv(f_in,f_out,flist,local_name); |
d9c7edf6 | 651 | |
9486289c | 652 | if (pid != -1) { |
8d9dc9f9 | 653 | if (verbose > 3) |
08a740ff | 654 | rprintf(FINFO,"client_run2 waiting on %d\n", (int) pid); |
8d9dc9f9 | 655 | io_flush(); |
d79d1c69 | 656 | wait_process(pid, &status); |
9486289c | 657 | } |
d9c7edf6 | 658 | |
ff81e809 | 659 | return MAX(status, status2); |
9486289c AT |
660 | } |
661 | ||
7169bb4a MP |
662 | static int copy_argv (char *argv[]) |
663 | { | |
664 | int i; | |
665 | ||
666 | for (i = 0; argv[i]; i++) { | |
667 | if (!(argv[i] = strdup(argv[i]))) { | |
668 | rprintf (FERROR, "out of memory at %s(%d)\n", | |
669 | __FILE__, __LINE__); | |
670 | return RERR_MALLOC; | |
671 | } | |
672 | } | |
673 | ||
674 | return 0; | |
675 | } | |
676 | ||
677 | ||
c1a04ecb | 678 | /** |
0ba48136 MP |
679 | * Start a client for either type of remote connection. Work out |
680 | * whether the arguments request a remote shell or rsyncd connection, | |
681 | * and call the appropriate connection function, then run_client. | |
0b4af330 MP |
682 | * |
683 | * Calls either start_socket_client (for sockets) or do_cmd and | |
684 | * client_run (for ssh). | |
c1a04ecb | 685 | **/ |
fc8a6b97 | 686 | static int start_client(int argc, char *argv[]) |
5d6bcd44 AT |
687 | { |
688 | char *p; | |
689 | char *shell_machine = NULL; | |
690 | char *shell_path = NULL; | |
691 | char *shell_user = NULL; | |
19b27a48 AT |
692 | int ret; |
693 | pid_t pid; | |
5d6bcd44 | 694 | int f_in,f_out; |
7a6421fa | 695 | extern int local_server; |
7a6421fa | 696 | extern char *shell_cmd; |
2acf81eb | 697 | extern int rsync_port; |
75aeac44 | 698 | extern int daemon_over_rsh; |
6902ed17 | 699 | extern int read_batch; |
7169bb4a MP |
700 | int rc; |
701 | ||
702 | /* Don't clobber argv[] so that ps(1) can still show the right | |
d9c7edf6 | 703 | * command line. */ |
75aeac44 | 704 | if ((rc = copy_argv(argv))) |
7169bb4a | 705 | return rc; |
5d6bcd44 | 706 | |
75aeac44 | 707 | /* rsync:// always uses rsync server over direct socket connection */ |
7169bb4a | 708 | if (strncasecmp(URL_PREFIX, argv[0], strlen(URL_PREFIX)) == 0) { |
f7632fc6 AT |
709 | char *host, *path; |
710 | ||
7169bb4a | 711 | host = argv[0] + strlen(URL_PREFIX); |
f7632fc6 AT |
712 | p = strchr(host,'/'); |
713 | if (p) { | |
714 | *p = 0; | |
715 | path = p+1; | |
716 | } else { | |
a125c82a | 717 | path = ""; |
f7632fc6 | 718 | } |
2acf81eb DD |
719 | p = strchr(host,':'); |
720 | if (p) { | |
721 | rsync_port = atoi(p+1); | |
722 | *p = 0; | |
723 | } | |
f7632fc6 AT |
724 | return start_socket_client(host, path, argc-1, argv+1); |
725 | } | |
726 | ||
088aac85 | 727 | if (!read_batch) { |
a125c82a | 728 | p = find_colon(argv[0]); |
d9c7edf6 | 729 | if (p) { |
7c2a9e76 WD |
730 | if (remote_filesfrom_file |
731 | && remote_filesfrom_file != files_from + 1 | |
732 | && strncmp(files_from, argv[0], p-argv[0]+1) != 0) { | |
733 | rprintf(FERROR, | |
734 | "--files-from hostname is not transfer hostname\n"); | |
735 | exit_cleanup(RERR_SYNTAX); | |
736 | } | |
d9c7edf6 WD |
737 | if (p[1] == ':') { /* double colon */ |
738 | *p = 0; | |
739 | if (!shell_cmd) { | |
740 | return start_socket_client(argv[0], p+2, | |
741 | argc-1, argv+1); | |
742 | } | |
743 | p++; | |
744 | daemon_over_rsh = 1; | |
75aeac44 | 745 | } |
3591c066 | 746 | |
d9c7edf6 WD |
747 | if (argc < 1) { |
748 | usage(FERROR); | |
749 | exit_cleanup(RERR_SYNTAX); | |
750 | } | |
a125c82a | 751 | |
d9c7edf6 WD |
752 | am_sender = 0; |
753 | *p = 0; | |
754 | shell_machine = argv[0]; | |
755 | shell_path = p+1; | |
756 | argc--; | |
757 | argv++; | |
758 | } else { | |
759 | am_sender = 1; | |
760 | ||
761 | /* rsync:// destination uses rsync server over direct socket */ | |
762 | if (strncasecmp(URL_PREFIX, argv[argc-1], strlen(URL_PREFIX)) == 0) { | |
763 | char *host, *path; | |
764 | ||
765 | host = argv[argc-1] + strlen(URL_PREFIX); | |
766 | p = strchr(host,'/'); | |
767 | if (p) { | |
768 | *p = 0; | |
769 | path = p+1; | |
770 | } else { | |
771 | path = ""; | |
772 | } | |
773 | p = strchr(host,':'); | |
774 | if (p) { | |
775 | rsync_port = atoi(p+1); | |
776 | *p = 0; | |
777 | } | |
778 | return start_socket_client(host, path, argc-1, argv); | |
a125c82a | 779 | } |
d9c7edf6 WD |
780 | |
781 | p = find_colon(argv[argc-1]); | |
7c2a9e76 WD |
782 | if (p && remote_filesfrom_file |
783 | && remote_filesfrom_file != files_from + 1 | |
784 | && strncmp(files_from, argv[argc-1], p-argv[argc-1]+1) != 0) { | |
785 | rprintf(FERROR, | |
786 | "--files-from hostname is not transfer hostname\n"); | |
787 | exit_cleanup(RERR_SYNTAX); | |
788 | } | |
d9c7edf6 WD |
789 | if (!p) { |
790 | local_server = 1; | |
7c2a9e76 WD |
791 | if (remote_filesfrom_file) { |
792 | rprintf(FERROR, | |
793 | "--files-from is remote but transfer is local\n"); | |
794 | exit_cleanup(RERR_SYNTAX); | |
795 | } | |
d9c7edf6 | 796 | } else if (p[1] == ':') { /* double colon */ |
a125c82a | 797 | *p = 0; |
d9c7edf6 WD |
798 | if (!shell_cmd) { |
799 | return start_socket_client(argv[argc-1], p+2, | |
800 | argc-1, argv); | |
801 | } | |
802 | p++; | |
803 | daemon_over_rsh = 1; | |
a125c82a | 804 | } |
a125c82a | 805 | |
d9c7edf6 WD |
806 | if (argc < 2) { |
807 | usage(FERROR); | |
808 | exit_cleanup(RERR_SYNTAX); | |
75aeac44 | 809 | } |
3591c066 | 810 | |
d9c7edf6 WD |
811 | if (local_server) { |
812 | shell_machine = NULL; | |
813 | shell_path = argv[argc-1]; | |
814 | } else { | |
815 | *p = 0; | |
816 | shell_machine = argv[argc-1]; | |
817 | shell_path = p+1; | |
818 | } | |
819 | argc--; | |
5d6bcd44 | 820 | } |
6902ed17 | 821 | } else { |
d9c7edf6 WD |
822 | am_sender = 1; |
823 | local_server = 1; | |
824 | shell_path = argv[argc-1]; | |
6902ed17 MP |
825 | } |
826 | ||
5d6bcd44 AT |
827 | if (shell_machine) { |
828 | p = strchr(shell_machine,'@'); | |
829 | if (p) { | |
830 | *p = 0; | |
831 | shell_user = shell_machine; | |
832 | shell_machine = p+1; | |
833 | } | |
834 | } | |
835 | ||
836 | if (verbose > 3) { | |
9486289c | 837 | rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n", |
5d6bcd44 AT |
838 | shell_cmd?shell_cmd:"", |
839 | shell_machine?shell_machine:"", | |
840 | shell_user?shell_user:"", | |
841 | shell_path?shell_path:""); | |
842 | } | |
d9c7edf6 | 843 | |
f7632fc6 | 844 | if (!am_sender && argc > 1) { |
5d6bcd44 | 845 | usage(FERROR); |
65417579 | 846 | exit_cleanup(RERR_SYNTAX); |
5d6bcd44 | 847 | } |
27e3e9c9 AT |
848 | |
849 | if (argc == 0 && !am_sender) { | |
850 | extern int list_only; | |
851 | list_only = 1; | |
852 | } | |
d9c7edf6 | 853 | |
75aeac44 WD |
854 | pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path, |
855 | &f_in,&f_out); | |
856 | ||
857 | /* if we're running an rsync server on the remote host over a | |
858 | remote shell command, we need to do the RSYNCD protocol first */ | |
859 | if (daemon_over_rsh) { | |
860 | int tmpret; | |
861 | tmpret = start_inband_exchange(shell_user, shell_path, | |
862 | f_in, f_out, argc); | |
863 | if (tmpret < 0) | |
864 | return tmpret; | |
865 | } | |
866 | ||
fc8a6b97 AT |
867 | ret = client_run(f_in, f_out, pid, argc, argv); |
868 | ||
869 | fflush(stdout); | |
870 | fflush(stderr); | |
871 | ||
872 | return ret; | |
5d6bcd44 AT |
873 | } |
874 | ||
366345fe | 875 | |
067669da WD |
876 | static RETSIGTYPE sigusr1_handler(UNUSED(int val)) |
877 | { | |
65417579 | 878 | exit_cleanup(RERR_SIGNAL); |
82306bf6 AT |
879 | } |
880 | ||
067669da WD |
881 | static RETSIGTYPE sigusr2_handler(UNUSED(int val)) |
882 | { | |
ff81e809 | 883 | extern int log_got_error; |
19b27a48 | 884 | if (log_got_error) _exit(RERR_PARTIAL); |
8b35435f AT |
885 | _exit(0); |
886 | } | |
887 | ||
067669da WD |
888 | static RETSIGTYPE sigchld_handler(UNUSED(int val)) |
889 | { | |
029c1713 | 890 | #ifdef WNOHANG |
ee7118a8 DD |
891 | int cnt, status; |
892 | pid_t pid; | |
893 | /* An empty waitpid() loop was put here by Tridge and we could never | |
d9c7edf6 | 894 | * get him to explain why he put it in, so rather than taking it |
ee7118a8 DD |
895 | * out we're instead saving the child exit statuses for later use. |
896 | * The waitpid() loop presumably eliminates all possibility of leaving | |
897 | * zombie children, maybe that's why he did it. | |
898 | */ | |
899 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0) { | |
900 | /* save the child's exit status */ | |
901 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { | |
902 | if (pid_stat_table[cnt].pid == 0) { | |
903 | pid_stat_table[cnt].pid = pid; | |
904 | pid_stat_table[cnt].status = status; | |
905 | break; | |
906 | } | |
907 | } | |
908 | } | |
029c1713 | 909 | #endif |
19b27a48 AT |
910 | } |
911 | ||
c0531332 MP |
912 | |
913 | /** | |
914 | * This routine catches signals and tries to send them to gdb. | |
915 | * | |
916 | * Because it's called from inside a signal handler it ought not to | |
917 | * use too many library routines. | |
918 | * | |
919 | * @todo Perhaps use "screen -X" instead/as well, to help people | |
920 | * debugging without easy access to X. Perhaps use an environment | |
921 | * variable, or just call a script? | |
922 | * | |
923 | * @todo The /proc/ magic probably only works on Linux (and | |
924 | * Solaris?) Can we be more portable? | |
925 | **/ | |
926 | #ifdef MAINTAINER_MODE | |
4fdc39dd MP |
927 | const char *get_panic_action(void) |
928 | { | |
929 | const char *cmd_fmt = getenv("RSYNC_PANIC_ACTION"); | |
930 | ||
931 | if (cmd_fmt) | |
932 | return cmd_fmt; | |
933 | else | |
934 | return "xterm -display :0 -T Panic -n Panic " | |
935 | "-e gdb /proc/%d/exe %d"; | |
936 | } | |
937 | ||
938 | ||
9fb3f7a9 MP |
939 | /** |
940 | * Handle a fatal signal by launching a debugger, controlled by $RSYNC_PANIC_ACTION. | |
941 | * | |
942 | * This signal handler is only installed if we were configured with | |
943 | * --enable-maintainer-mode. Perhaps it should always be on and we | |
944 | * should just look at the environment variable, but I'm a bit leery | |
945 | * of a signal sending us into a busy loop. | |
946 | **/ | |
067669da | 947 | static RETSIGTYPE rsync_panic_handler(UNUSED(int whatsig)) |
c0531332 MP |
948 | { |
949 | char cmd_buf[300]; | |
950 | int ret; | |
4fdc39dd MP |
951 | |
952 | sprintf(cmd_buf, get_panic_action(), | |
c0531332 MP |
953 | getpid(), getpid()); |
954 | ||
955 | /* Unless we failed to execute gdb, we allow the process to | |
956 | * continue. I'm not sure if that's right. */ | |
957 | ret = system(cmd_buf); | |
958 | if (ret) | |
959 | _exit(ret); | |
960 | } | |
961 | #endif | |
962 | ||
963 | ||
5d6bcd44 | 964 | int main(int argc,char *argv[]) |
d9c7edf6 | 965 | { |
7a6421fa AT |
966 | extern int am_root; |
967 | extern int orig_umask; | |
968 | extern int dry_run; | |
ff81e809 | 969 | int ret; |
088aac85 DD |
970 | extern int write_batch; |
971 | int orig_argc; | |
76f79ba7 | 972 | char **orig_argv; |
6902ed17 | 973 | |
088aac85 | 974 | orig_argc = argc; |
76f79ba7 | 975 | orig_argv = argv; |
5d6bcd44 | 976 | |
7a6421fa | 977 | signal(SIGUSR1, sigusr1_handler); |
8b35435f | 978 | signal(SIGUSR2, sigusr2_handler); |
19b27a48 | 979 | signal(SIGCHLD, sigchld_handler); |
c0531332 MP |
980 | #ifdef MAINTAINER_MODE |
981 | signal(SIGSEGV, rsync_panic_handler); | |
982 | signal(SIGFPE, rsync_panic_handler); | |
983 | signal(SIGABRT, rsync_panic_handler); | |
984 | signal(SIGBUS, rsync_panic_handler); | |
985 | #endif /* def MAINTAINER_MODE */ | |
5d6bcd44 | 986 | |
7a6421fa AT |
987 | starttime = time(NULL); |
988 | am_root = (getuid() == 0); | |
c627d613 | 989 | |
a800434a AT |
990 | memset(&stats, 0, sizeof(stats)); |
991 | ||
df5e03da AT |
992 | if (argc < 2) { |
993 | usage(FERROR); | |
65417579 | 994 | exit_cleanup(RERR_SYNTAX); |
df5e03da AT |
995 | } |
996 | ||
7a6421fa AT |
997 | /* we set a 0 umask so that correct file permissions can be |
998 | carried across */ | |
999 | orig_umask = (int)umask(0); | |
5d6bcd44 | 1000 | |
50135767 | 1001 | if (!parse_arguments(&argc, (const char ***) &argv, 1)) { |
d9c7edf6 WD |
1002 | /* FIXME: We ought to call the same error-handling |
1003 | * code here, rather than relying on getopt. */ | |
50135767 | 1004 | option_error(); |
65417579 | 1005 | exit_cleanup(RERR_SYNTAX); |
b11ed3b1 | 1006 | } |
5d6bcd44 | 1007 | |
7a6421fa | 1008 | signal(SIGINT,SIGNAL_CAST sig_int); |
7a6421fa | 1009 | signal(SIGHUP,SIGNAL_CAST sig_int); |
8638dd48 | 1010 | signal(SIGTERM,SIGNAL_CAST sig_int); |
6b83141d | 1011 | |
34758d5c MP |
1012 | /* Ignore SIGPIPE; we consistently check error codes and will |
1013 | * see the EPIPE. */ | |
1014 | signal(SIGPIPE, SIG_IGN); | |
1015 | ||
c226b7c2 DD |
1016 | /* Initialize push_dir here because on some old systems getcwd |
1017 | (implemented by forking "pwd" and reading its output) doesn't | |
1018 | work when there are other child processes. Also, on all systems | |
1019 | that implement getcwd that way "pwd" can't be found after chroot. */ | |
1020 | push_dir(NULL,0); | |
1021 | ||
088aac85 | 1022 | if (write_batch && !am_server) { |
d9c7edf6 | 1023 | write_batch_argvs_file(orig_argc, orig_argv); |
6902ed17 MP |
1024 | } |
1025 | ||
75aeac44 | 1026 | if (am_daemon && !am_server) |
7a6421fa | 1027 | return daemon_main(); |
f0fca04e | 1028 | |
08ac228f AT |
1029 | if (argc < 1) { |
1030 | usage(FERROR); | |
65417579 | 1031 | exit_cleanup(RERR_SYNTAX); |
08ac228f AT |
1032 | } |
1033 | ||
7a6421fa AT |
1034 | if (dry_run) |
1035 | verbose = MAX(verbose,1); | |
c627d613 | 1036 | |
cbbe4892 | 1037 | #ifndef SUPPORT_LINKS |
7a6421fa AT |
1038 | if (!am_server && preserve_links) { |
1039 | rprintf(FERROR,"ERROR: symbolic links not supported\n"); | |
65417579 | 1040 | exit_cleanup(RERR_UNSUPPORTED); |
7a6421fa | 1041 | } |
cbbe4892 AT |
1042 | #endif |
1043 | ||
7a6421fa | 1044 | if (am_server) { |
f0359dd0 AT |
1045 | set_nonblocking(STDIN_FILENO); |
1046 | set_nonblocking(STDOUT_FILENO); | |
75aeac44 WD |
1047 | if (am_daemon) |
1048 | return start_daemon(STDIN_FILENO, STDOUT_FILENO); | |
7a6421fa AT |
1049 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); |
1050 | } | |
c627d613 | 1051 | |
ff81e809 | 1052 | ret = start_client(argc, argv); |
d9c7edf6 | 1053 | if (ret == -1) |
9098bbf3 | 1054 | exit_cleanup(RERR_STARTCLIENT); |
088aac85 | 1055 | else |
9098bbf3 MP |
1056 | exit_cleanup(ret); |
1057 | ||
0f5a04e3 | 1058 | return ret; |
c627d613 | 1059 | } |