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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 | ||
ce672562 | 174 | rprintf(FINFO, "\n" RSYNC_NAME "[%d] (%s%s%s) heap statistics:\n", |
5c15e29f MP |
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) { |
9af87151 | 208 | char *rsh_env = getenv(RSYNC_RSH_ENV); |
366345fe | 209 | if (!cmd) |
9af87151 | 210 | cmd = rsh_env; |
366345fe AT |
211 | if (!cmd) |
212 | cmd = RSYNC_RSH; | |
213 | cmd = strdup(cmd); | |
d9c7edf6 | 214 | if (!cmd) |
366345fe AT |
215 | goto oom; |
216 | ||
217 | for (tok=strtok(cmd," ");tok;tok=strtok(NULL," ")) { | |
218 | args[argc++] = tok; | |
219 | } | |
c627d613 | 220 | |
d9c7edf6 | 221 | /* check to see if we've already been given '-l user' in |
9af87151 | 222 | * the remote-shell command */ |
bb4aa89c WD |
223 | for (i = 0; i < argc-1; i++) { |
224 | if (!strcmp(args[i], "-l") && args[i+1][0] != '-') | |
225 | dash_l_set = 1; | |
226 | } | |
227 | ||
7b8356d0 | 228 | #if HAVE_REMSH |
366345fe AT |
229 | /* remsh (on HPUX) takes the arguments the other way around */ |
230 | args[argc++] = machine; | |
bb4aa89c | 231 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
232 | args[argc++] = "-l"; |
233 | args[argc++] = user; | |
234 | } | |
7b8356d0 | 235 | #else |
bb4aa89c | 236 | if (user && !(daemon_over_rsh && dash_l_set)) { |
366345fe AT |
237 | args[argc++] = "-l"; |
238 | args[argc++] = user; | |
239 | } | |
240 | args[argc++] = machine; | |
7b8356d0 | 241 | #endif |
c627d613 | 242 | |
366345fe | 243 | args[argc++] = rsync_path; |
c627d613 | 244 | |
9af87151 | 245 | if (blocking_io < 0) { |
90e22f4b WD |
246 | char *cp; |
247 | if ((cp = strrchr(cmd, '/')) != NULL) | |
248 | cp++; | |
249 | else | |
250 | cp = cmd; | |
251 | if (strcmp(cp, "rsh") == 0 || strcmp(cp, "remsh") == 0) | |
252 | blocking_io = 1; | |
66b71163 | 253 | } |
e384bfbd | 254 | |
93689aa5 | 255 | server_options(args,&argc); |
366345fe | 256 | } |
c627d613 | 257 | |
366345fe | 258 | args[argc++] = "."; |
76076c4b | 259 | |
d9c7edf6 | 260 | if (!daemon_over_rsh && path && *path) |
366345fe | 261 | args[argc++] = path; |
c627d613 | 262 | |
366345fe | 263 | args[argc] = NULL; |
c627d613 | 264 | |
366345fe | 265 | if (verbose > 3) { |
9486289c | 266 | rprintf(FINFO,"cmd="); |
366345fe | 267 | for (i=0;i<argc;i++) |
9486289c AT |
268 | rprintf(FINFO,"%s ",args[i]); |
269 | rprintf(FINFO,"\n"); | |
366345fe AT |
270 | } |
271 | ||
272 | if (local_server) { | |
6902ed17 | 273 | if (read_batch) |
d9c7edf6 | 274 | create_flist_from_batch(); /* sets batch_flist */ |
25d34a5c | 275 | ret = local_child(argc, args, f_in, f_out, child_main); |
366345fe AT |
276 | } else { |
277 | ret = piped_child(args,f_in,f_out); | |
278 | } | |
c627d613 | 279 | |
366345fe | 280 | if (dir) free(dir); |
82306bf6 | 281 | |
366345fe | 282 | return ret; |
c627d613 AT |
283 | |
284 | oom: | |
366345fe AT |
285 | out_of_memory("do_cmd"); |
286 | return 0; /* not reached */ | |
c627d613 AT |
287 | } |
288 | ||
289 | ||
290 | ||
291 | ||
292 | static char *get_local_name(struct file_list *flist,char *name) | |
293 | { | |
7a6421fa | 294 | STRUCT_STAT st; |
87cc45e1 | 295 | int e; |
7a6421fa | 296 | extern int orig_umask; |
c627d613 | 297 | |
c95da96a | 298 | if (verbose > 2) |
d9c7edf6 | 299 | rprintf(FINFO,"get_local_name count=%d %s\n", |
1f0610ef DD |
300 | flist->count, NS(name)); |
301 | ||
d9c7edf6 | 302 | if (!name) |
1f0610ef | 303 | return NULL; |
c95da96a | 304 | |
1ff5450d AT |
305 | if (do_stat(name,&st) == 0) { |
306 | if (S_ISDIR(st.st_mode)) { | |
5243c216 | 307 | if (!push_dir(name, 0)) { |
ea42541f WD |
308 | rprintf(FERROR, "push_dir %s failed: %s (1)\n", |
309 | full_fname(name), strerror(errno)); | |
65417579 | 310 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
311 | } |
312 | return NULL; | |
313 | } | |
314 | if (flist->count > 1) { | |
315 | rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n"); | |
65417579 | 316 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
317 | } |
318 | return name; | |
319 | } | |
320 | ||
87cc45e1 | 321 | if (flist->count <= 1 && ((e = strlen(name)) <= 1 || name[e-1] != '/')) |
1ff5450d AT |
322 | return name; |
323 | ||
1ff5450d | 324 | if (do_mkdir(name,0777 & ~orig_umask) != 0) { |
ea42541f WD |
325 | rprintf(FERROR, "mkdir %s failed: %s\n", |
326 | full_fname(name), strerror(errno)); | |
65417579 | 327 | exit_cleanup(RERR_FILEIO); |
1ff5450d | 328 | } else { |
b536f47e AT |
329 | if (verbose > 0) |
330 | rprintf(FINFO,"created directory %s\n",name); | |
1ff5450d AT |
331 | } |
332 | ||
5243c216 | 333 | if (!push_dir(name, 0)) { |
ea42541f WD |
334 | rprintf(FERROR, "push_dir %s failed: %s (2)\n", |
335 | full_fname(name), strerror(errno)); | |
65417579 | 336 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
337 | } |
338 | ||
339 | return NULL; | |
c627d613 AT |
340 | } |
341 | ||
342 | ||
343 | ||
344 | ||
9486289c | 345 | static void do_server_sender(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 346 | { |
7a6421fa AT |
347 | int i; |
348 | struct file_list *flist; | |
349 | char *dir = argv[0]; | |
350 | extern int relative_paths; | |
7a6421fa | 351 | extern int recurse; |
c627d613 | 352 | |
7a6421fa AT |
353 | if (verbose > 2) |
354 | rprintf(FINFO,"server_sender starting pid=%d\n",(int)getpid()); | |
d9c7edf6 | 355 | |
5243c216 | 356 | if (!relative_paths && !push_dir(dir, 0)) { |
ea42541f WD |
357 | rprintf(FERROR, "push_dir %s failed: %s (3)\n", |
358 | full_fname(dir), strerror(errno)); | |
65417579 | 359 | exit_cleanup(RERR_FILESELECT); |
7a6421fa AT |
360 | } |
361 | argc--; | |
362 | argv++; | |
d9c7edf6 | 363 | |
7a6421fa AT |
364 | if (strcmp(dir,".")) { |
365 | int l = strlen(dir); | |
d9c7edf6 | 366 | if (strcmp(dir,"/") == 0) |
7a6421fa AT |
367 | l = 0; |
368 | for (i=0;i<argc;i++) | |
369 | argv[i] += l+1; | |
370 | } | |
c627d613 | 371 | |
7a6421fa AT |
372 | if (argc == 0 && recurse) { |
373 | argc=1; | |
374 | argv--; | |
375 | argv[0] = "."; | |
376 | } | |
d9c7edf6 | 377 | |
7a6421fa | 378 | flist = send_file_list(f_out,argc,argv); |
8d9dc9f9 AT |
379 | if (!flist || flist->count == 0) { |
380 | exit_cleanup(0); | |
381 | } | |
382 | ||
7a6421fa | 383 | send_files(flist,f_out,f_in); |
3d382777 | 384 | io_flush(); |
7a6421fa | 385 | report(f_out); |
d04e9c51 | 386 | if (protocol_version >= 24) { |
d9c7edf6 | 387 | /* final goodbye message */ |
adc19c98 AT |
388 | read_int(f_in); |
389 | } | |
8d9dc9f9 | 390 | io_flush(); |
7a6421fa | 391 | exit_cleanup(0); |
c627d613 AT |
392 | } |
393 | ||
394 | ||
dc5ddbcc AT |
395 | static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name) |
396 | { | |
d186eb1a AT |
397 | int pid; |
398 | int status=0; | |
399 | int recv_pipe[2]; | |
554e0a8d | 400 | int error_pipe[2]; |
d186eb1a | 401 | extern int preserve_hard_links; |
6957ae33 AT |
402 | extern int delete_after; |
403 | extern int recurse; | |
404 | extern int delete_mode; | |
dc5ddbcc | 405 | |
d186eb1a AT |
406 | if (preserve_hard_links) |
407 | init_hard_links(flist); | |
dc5ddbcc | 408 | |
6957ae33 AT |
409 | if (!delete_after) { |
410 | /* I moved this here from recv_files() to prevent a race condition */ | |
411 | if (recurse && delete_mode && !local_name && flist->count>0) { | |
412 | delete_files(flist); | |
413 | } | |
414 | } | |
415 | ||
08f15335 | 416 | if (fd_pair(recv_pipe) < 0) { |
d186eb1a | 417 | rprintf(FERROR,"pipe failed in do_recv\n"); |
65417579 | 418 | exit_cleanup(RERR_SOCKETIO); |
d186eb1a | 419 | } |
554e0a8d | 420 | |
08f15335 | 421 | if (fd_pair(error_pipe) < 0) { |
554e0a8d AT |
422 | rprintf(FERROR,"error pipe failed in do_recv\n"); |
423 | exit_cleanup(RERR_SOCKETIO); | |
424 | } | |
d9c7edf6 | 425 | |
8d9dc9f9 | 426 | io_flush(); |
c6e7fcb4 | 427 | |
d186eb1a | 428 | if ((pid=do_fork()) == 0) { |
e08c9610 | 429 | close(recv_pipe[0]); |
554e0a8d | 430 | close(error_pipe[0]); |
e08c9610 AT |
431 | if (f_in != f_out) close(f_out); |
432 | ||
554e0a8d AT |
433 | /* we can't let two processes write to the socket at one time */ |
434 | io_multiplexing_close(); | |
435 | ||
436 | /* set place to send errors */ | |
437 | set_error_fd(error_pipe[1]); | |
438 | ||
e08c9610 | 439 | recv_files(f_in,flist,local_name,recv_pipe[1]); |
3d382777 | 440 | io_flush(); |
ba5e128d | 441 | report(f_in); |
e08c9610 | 442 | |
8b35435f AT |
443 | write_int(recv_pipe[1],1); |
444 | close(recv_pipe[1]); | |
8d9dc9f9 | 445 | io_flush(); |
4a748188 | 446 | /* finally we go to sleep until our parent kills us |
9af87151 WD |
447 | * with a USR2 signal. We sleep for a short time as on |
448 | * some OSes a signal won't interrupt a sleep! */ | |
e1bd49d6 MP |
449 | while (msleep(20)) |
450 | ; | |
d186eb1a | 451 | } |
dc5ddbcc | 452 | |
e08c9610 | 453 | close(recv_pipe[1]); |
554e0a8d | 454 | close(error_pipe[1]); |
e08c9610 | 455 | if (f_in != f_out) close(f_in); |
e1b3d5c4 | 456 | |
b3e10ed7 AT |
457 | io_start_buffering(f_out); |
458 | ||
554e0a8d AT |
459 | io_set_error_fd(error_pipe[0]); |
460 | ||
e08c9610 | 461 | generate_files(f_out,flist,local_name,recv_pipe[0]); |
8d9dc9f9 | 462 | |
8b35435f AT |
463 | read_int(recv_pipe[0]); |
464 | close(recv_pipe[0]); | |
d04e9c51 | 465 | if (protocol_version >= 24) { |
8ada7518 AT |
466 | /* send a final goodbye message */ |
467 | write_int(f_out, -1); | |
468 | } | |
8d9dc9f9 | 469 | io_flush(); |
8ada7518 | 470 | |
b5ae4aba | 471 | io_set_error_fd(-1); |
089a2435 | 472 | kill(pid, SIGUSR2); |
d79d1c69 | 473 | wait_process(pid, &status); |
d186eb1a | 474 | return status; |
dc5ddbcc AT |
475 | } |
476 | ||
c627d613 | 477 | |
9486289c | 478 | static void do_server_recv(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 479 | { |
7a6421fa AT |
480 | int status; |
481 | struct file_list *flist; | |
482 | char *local_name=NULL; | |
483 | char *dir = NULL; | |
484 | extern int delete_mode; | |
b33b791e | 485 | extern int delete_excluded; |
09b7f5db | 486 | extern int module_id; |
088aac85 DD |
487 | extern int read_batch; |
488 | extern struct file_list *batch_flist; | |
f0fca04e | 489 | |
7a6421fa AT |
490 | if (verbose > 2) |
491 | rprintf(FINFO,"server_recv(%d) starting pid=%d\n",argc,(int)getpid()); | |
09b7f5db AT |
492 | |
493 | if (am_daemon && lp_read_only(module_id) && !am_sender) { | |
494 | rprintf(FERROR,"ERROR: module is read only\n"); | |
495 | exit_cleanup(RERR_SYNTAX); | |
496 | return; | |
497 | } | |
498 | ||
d9c7edf6 | 499 | |
7a6421fa AT |
500 | if (argc > 0) { |
501 | dir = argv[0]; | |
502 | argc--; | |
503 | argv++; | |
5243c216 | 504 | if (!am_daemon && !push_dir(dir, 0)) { |
ea42541f WD |
505 | rprintf(FERROR, "push_dir %s failed: %s (4)\n", |
506 | full_fname(dir), strerror(errno)); | |
65417579 | 507 | exit_cleanup(RERR_FILESELECT); |
d9c7edf6 | 508 | } |
7a6421fa | 509 | } |
c627d613 | 510 | |
b33b791e | 511 | if (delete_mode && !delete_excluded) |
7a6421fa | 512 | recv_exclude_list(f_in); |
c627d613 | 513 | |
7c2a9e76 WD |
514 | if (filesfrom_fd >= 0) { |
515 | /* We're receiving the file info from the sender, so we need | |
516 | * the IO routines to automatically write out the names onto | |
517 | * our f_out socket as we read the list info from the sender. | |
518 | * This avoids both deadlock and extra delays/buffers. */ | |
519 | io_set_filesfrom_fds(filesfrom_fd, f_out); | |
520 | filesfrom_fd = -1; | |
521 | } | |
522 | ||
088aac85 | 523 | if (read_batch) |
d9c7edf6 | 524 | flist = batch_flist; |
6902ed17 | 525 | else |
d9c7edf6 | 526 | flist = recv_file_list(f_in); |
4c36a13e AT |
527 | if (!flist) { |
528 | rprintf(FERROR,"server_recv: recv_file_list error\n"); | |
65417579 | 529 | exit_cleanup(RERR_FILESELECT); |
7a6421fa | 530 | } |
d9c7edf6 WD |
531 | |
532 | if (argc > 0) { | |
7a6421fa AT |
533 | if (strcmp(dir,".")) { |
534 | argv[0] += strlen(dir); | |
535 | if (argv[0][0] == '/') argv[0]++; | |
536 | } | |
537 | local_name = get_local_name(flist,argv[0]); | |
538 | } | |
c627d613 | 539 | |
7a6421fa AT |
540 | status = do_recv(f_in,f_out,flist,local_name); |
541 | exit_cleanup(status); | |
c627d613 AT |
542 | } |
543 | ||
544 | ||
734a94a2 | 545 | int child_main(int argc, char *argv[]) |
25d34a5c MP |
546 | { |
547 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); | |
734a94a2 | 548 | return 0; |
25d34a5c MP |
549 | } |
550 | ||
551 | ||
9486289c | 552 | void start_server(int f_in, int f_out, int argc, char *argv[]) |
366345fe | 553 | { |
7a6421fa | 554 | extern int cvs_exclude; |
088aac85 | 555 | extern int read_batch; |
ff41a59f | 556 | |
6d7b6081 AT |
557 | setup_protocol(f_out, f_in); |
558 | ||
f0359dd0 AT |
559 | set_nonblocking(f_in); |
560 | set_nonblocking(f_out); | |
561 | ||
d04e9c51 | 562 | if (protocol_version >= 23) |
ff41a59f | 563 | io_start_multiplex_out(f_out); |
7a6421fa | 564 | |
7a6421fa | 565 | if (am_sender) { |
088aac85 | 566 | if (!read_batch) { |
d9c7edf6 WD |
567 | recv_exclude_list(f_in); |
568 | if (cvs_exclude) | |
569 | add_cvs_excludes(); | |
6902ed17 | 570 | } |
7a6421fa AT |
571 | do_server_sender(f_in, f_out, argc, argv); |
572 | } else { | |
573 | do_server_recv(f_in, f_out, argc, argv); | |
574 | } | |
575 | exit_cleanup(0); | |
366345fe AT |
576 | } |
577 | ||
0ba48136 MP |
578 | |
579 | /* | |
580 | * This is called once the connection has been negotiated. It is used | |
581 | * for rsyncd, remote-shell, and local connections. | |
582 | */ | |
19b27a48 | 583 | int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[]) |
9486289c | 584 | { |
088aac85 | 585 | struct file_list *flist = NULL; |
9486289c AT |
586 | int status = 0, status2 = 0; |
587 | char *local_name = NULL; | |
19b27a48 | 588 | extern pid_t cleanup_child_pid; |
088aac85 DD |
589 | extern int write_batch; |
590 | extern int read_batch; | |
591 | extern struct file_list *batch_flist; | |
19b27a48 AT |
592 | |
593 | cleanup_child_pid = pid; | |
6902ed17 | 594 | if (read_batch) |
d9c7edf6 | 595 | flist = batch_flist; |
ff41a59f | 596 | |
f0359dd0 AT |
597 | set_nonblocking(f_in); |
598 | set_nonblocking(f_out); | |
599 | ||
6d7b6081 AT |
600 | setup_protocol(f_out,f_in); |
601 | ||
d04e9c51 | 602 | if (protocol_version >= 23) |
ff41a59f | 603 | io_start_multiplex_in(f_in); |
d9c7edf6 | 604 | |
9486289c | 605 | if (am_sender) { |
7a6421fa AT |
606 | extern int cvs_exclude; |
607 | extern int delete_mode; | |
b33b791e | 608 | extern int delete_excluded; |
9486289c AT |
609 | if (cvs_exclude) |
610 | add_cvs_excludes(); | |
d9c7edf6 | 611 | if (delete_mode && !delete_excluded) |
9486289c | 612 | send_exclude_list(f_out); |
7c2a9e76 WD |
613 | if (remote_filesfrom_file) |
614 | filesfrom_fd = f_in; | |
6902ed17 | 615 | if (!read_batch) /* dw -- don't write to pipe */ |
d9c7edf6 WD |
616 | flist = send_file_list(f_out,argc,argv); |
617 | if (verbose > 3) | |
9486289c | 618 | rprintf(FINFO,"file list sent\n"); |
e1b3d5c4 | 619 | |
9486289c | 620 | send_files(flist,f_out,f_in); |
d04e9c51 | 621 | if (protocol_version >= 24) { |
d9c7edf6 | 622 | /* final goodbye message */ |
6c65e146 AT |
623 | read_int(f_in); |
624 | } | |
9486289c AT |
625 | if (pid != -1) { |
626 | if (verbose > 3) | |
08a740ff | 627 | rprintf(FINFO,"client_run waiting on %d\n", (int) pid); |
8d9dc9f9 | 628 | io_flush(); |
d79d1c69 | 629 | wait_process(pid, &status); |
9486289c | 630 | } |
3d382777 | 631 | report(-1); |
9486289c AT |
632 | exit_cleanup(status); |
633 | } | |
f7632fc6 | 634 | |
27e3e9c9 AT |
635 | if (argc == 0) { |
636 | extern int list_only; | |
637 | list_only = 1; | |
638 | } | |
d9c7edf6 | 639 | |
088aac85 | 640 | if (!write_batch) |
d9c7edf6 WD |
641 | send_exclude_list(f_out); |
642 | ||
7c2a9e76 WD |
643 | if (filesfrom_fd >= 0) { |
644 | io_set_filesfrom_fds(filesfrom_fd, f_out); | |
645 | filesfrom_fd = -1; | |
646 | } | |
647 | ||
9486289c AT |
648 | flist = recv_file_list(f_in); |
649 | if (!flist || flist->count == 0) { | |
796d484b | 650 | rprintf(FINFO, "client: nothing to do: " |
d9c7edf6 WD |
651 | "perhaps you need to specify some filenames or " |
652 | "the --recursive option?\n"); | |
9486289c AT |
653 | exit_cleanup(0); |
654 | } | |
d9c7edf6 | 655 | |
9486289c | 656 | local_name = get_local_name(flist,argv[0]); |
d9c7edf6 | 657 | |
9486289c | 658 | status2 = do_recv(f_in,f_out,flist,local_name); |
d9c7edf6 | 659 | |
9486289c | 660 | if (pid != -1) { |
8d9dc9f9 | 661 | if (verbose > 3) |
08a740ff | 662 | rprintf(FINFO,"client_run2 waiting on %d\n", (int) pid); |
8d9dc9f9 | 663 | io_flush(); |
d79d1c69 | 664 | wait_process(pid, &status); |
9486289c | 665 | } |
d9c7edf6 | 666 | |
ff81e809 | 667 | return MAX(status, status2); |
9486289c AT |
668 | } |
669 | ||
7169bb4a MP |
670 | static int copy_argv (char *argv[]) |
671 | { | |
672 | int i; | |
673 | ||
674 | for (i = 0; argv[i]; i++) { | |
675 | if (!(argv[i] = strdup(argv[i]))) { | |
676 | rprintf (FERROR, "out of memory at %s(%d)\n", | |
677 | __FILE__, __LINE__); | |
678 | return RERR_MALLOC; | |
679 | } | |
680 | } | |
681 | ||
682 | return 0; | |
683 | } | |
684 | ||
685 | ||
c1a04ecb | 686 | /** |
0ba48136 MP |
687 | * Start a client for either type of remote connection. Work out |
688 | * whether the arguments request a remote shell or rsyncd connection, | |
689 | * and call the appropriate connection function, then run_client. | |
0b4af330 MP |
690 | * |
691 | * Calls either start_socket_client (for sockets) or do_cmd and | |
692 | * client_run (for ssh). | |
c1a04ecb | 693 | **/ |
fc8a6b97 | 694 | static int start_client(int argc, char *argv[]) |
5d6bcd44 AT |
695 | { |
696 | char *p; | |
697 | char *shell_machine = NULL; | |
698 | char *shell_path = NULL; | |
699 | char *shell_user = NULL; | |
19b27a48 AT |
700 | int ret; |
701 | pid_t pid; | |
5d6bcd44 | 702 | int f_in,f_out; |
7a6421fa | 703 | extern int local_server; |
7a6421fa | 704 | extern char *shell_cmd; |
2acf81eb | 705 | extern int rsync_port; |
75aeac44 | 706 | extern int daemon_over_rsh; |
6902ed17 | 707 | extern int read_batch; |
7169bb4a MP |
708 | int rc; |
709 | ||
710 | /* Don't clobber argv[] so that ps(1) can still show the right | |
d9c7edf6 | 711 | * command line. */ |
75aeac44 | 712 | if ((rc = copy_argv(argv))) |
7169bb4a | 713 | return rc; |
5d6bcd44 | 714 | |
75aeac44 | 715 | /* rsync:// always uses rsync server over direct socket connection */ |
7169bb4a | 716 | if (strncasecmp(URL_PREFIX, argv[0], strlen(URL_PREFIX)) == 0) { |
f7632fc6 AT |
717 | char *host, *path; |
718 | ||
7169bb4a | 719 | host = argv[0] + strlen(URL_PREFIX); |
f7632fc6 AT |
720 | p = strchr(host,'/'); |
721 | if (p) { | |
722 | *p = 0; | |
723 | path = p+1; | |
724 | } else { | |
a125c82a | 725 | path = ""; |
f7632fc6 | 726 | } |
2acf81eb DD |
727 | p = strchr(host,':'); |
728 | if (p) { | |
729 | rsync_port = atoi(p+1); | |
730 | *p = 0; | |
731 | } | |
f7632fc6 AT |
732 | return start_socket_client(host, path, argc-1, argv+1); |
733 | } | |
734 | ||
088aac85 | 735 | if (!read_batch) { |
a125c82a | 736 | p = find_colon(argv[0]); |
d9c7edf6 | 737 | if (p) { |
7c2a9e76 WD |
738 | if (remote_filesfrom_file |
739 | && remote_filesfrom_file != files_from + 1 | |
740 | && strncmp(files_from, argv[0], p-argv[0]+1) != 0) { | |
741 | rprintf(FERROR, | |
742 | "--files-from hostname is not transfer hostname\n"); | |
743 | exit_cleanup(RERR_SYNTAX); | |
744 | } | |
d9c7edf6 WD |
745 | if (p[1] == ':') { /* double colon */ |
746 | *p = 0; | |
747 | if (!shell_cmd) { | |
748 | return start_socket_client(argv[0], p+2, | |
749 | argc-1, argv+1); | |
750 | } | |
751 | p++; | |
752 | daemon_over_rsh = 1; | |
75aeac44 | 753 | } |
3591c066 | 754 | |
d9c7edf6 WD |
755 | if (argc < 1) { |
756 | usage(FERROR); | |
757 | exit_cleanup(RERR_SYNTAX); | |
758 | } | |
a125c82a | 759 | |
d9c7edf6 WD |
760 | am_sender = 0; |
761 | *p = 0; | |
762 | shell_machine = argv[0]; | |
763 | shell_path = p+1; | |
764 | argc--; | |
765 | argv++; | |
766 | } else { | |
767 | am_sender = 1; | |
768 | ||
769 | /* rsync:// destination uses rsync server over direct socket */ | |
770 | if (strncasecmp(URL_PREFIX, argv[argc-1], strlen(URL_PREFIX)) == 0) { | |
771 | char *host, *path; | |
772 | ||
773 | host = argv[argc-1] + strlen(URL_PREFIX); | |
774 | p = strchr(host,'/'); | |
775 | if (p) { | |
776 | *p = 0; | |
777 | path = p+1; | |
778 | } else { | |
779 | path = ""; | |
780 | } | |
781 | p = strchr(host,':'); | |
782 | if (p) { | |
783 | rsync_port = atoi(p+1); | |
784 | *p = 0; | |
785 | } | |
786 | return start_socket_client(host, path, argc-1, argv); | |
a125c82a | 787 | } |
d9c7edf6 WD |
788 | |
789 | p = find_colon(argv[argc-1]); | |
7c2a9e76 WD |
790 | if (p && remote_filesfrom_file |
791 | && remote_filesfrom_file != files_from + 1 | |
792 | && strncmp(files_from, argv[argc-1], p-argv[argc-1]+1) != 0) { | |
793 | rprintf(FERROR, | |
794 | "--files-from hostname is not transfer hostname\n"); | |
795 | exit_cleanup(RERR_SYNTAX); | |
796 | } | |
d9c7edf6 WD |
797 | if (!p) { |
798 | local_server = 1; | |
7c2a9e76 WD |
799 | if (remote_filesfrom_file) { |
800 | rprintf(FERROR, | |
801 | "--files-from is remote but transfer is local\n"); | |
802 | exit_cleanup(RERR_SYNTAX); | |
803 | } | |
d9c7edf6 | 804 | } else if (p[1] == ':') { /* double colon */ |
a125c82a | 805 | *p = 0; |
d9c7edf6 WD |
806 | if (!shell_cmd) { |
807 | return start_socket_client(argv[argc-1], p+2, | |
808 | argc-1, argv); | |
809 | } | |
810 | p++; | |
811 | daemon_over_rsh = 1; | |
a125c82a | 812 | } |
a125c82a | 813 | |
d9c7edf6 WD |
814 | if (argc < 2) { |
815 | usage(FERROR); | |
816 | exit_cleanup(RERR_SYNTAX); | |
75aeac44 | 817 | } |
3591c066 | 818 | |
d9c7edf6 WD |
819 | if (local_server) { |
820 | shell_machine = NULL; | |
821 | shell_path = argv[argc-1]; | |
822 | } else { | |
823 | *p = 0; | |
824 | shell_machine = argv[argc-1]; | |
825 | shell_path = p+1; | |
826 | } | |
827 | argc--; | |
5d6bcd44 | 828 | } |
6902ed17 | 829 | } else { |
d9c7edf6 WD |
830 | am_sender = 1; |
831 | local_server = 1; | |
832 | shell_path = argv[argc-1]; | |
6902ed17 MP |
833 | } |
834 | ||
5d6bcd44 AT |
835 | if (shell_machine) { |
836 | p = strchr(shell_machine,'@'); | |
837 | if (p) { | |
838 | *p = 0; | |
839 | shell_user = shell_machine; | |
840 | shell_machine = p+1; | |
841 | } | |
842 | } | |
843 | ||
844 | if (verbose > 3) { | |
9486289c | 845 | rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n", |
5d6bcd44 AT |
846 | shell_cmd?shell_cmd:"", |
847 | shell_machine?shell_machine:"", | |
848 | shell_user?shell_user:"", | |
849 | shell_path?shell_path:""); | |
850 | } | |
d9c7edf6 | 851 | |
f7632fc6 | 852 | if (!am_sender && argc > 1) { |
5d6bcd44 | 853 | usage(FERROR); |
65417579 | 854 | exit_cleanup(RERR_SYNTAX); |
5d6bcd44 | 855 | } |
27e3e9c9 AT |
856 | |
857 | if (argc == 0 && !am_sender) { | |
858 | extern int list_only; | |
859 | list_only = 1; | |
860 | } | |
d9c7edf6 | 861 | |
75aeac44 WD |
862 | pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path, |
863 | &f_in,&f_out); | |
864 | ||
865 | /* if we're running an rsync server on the remote host over a | |
9af87151 | 866 | * remote shell command, we need to do the RSYNCD protocol first */ |
75aeac44 WD |
867 | if (daemon_over_rsh) { |
868 | int tmpret; | |
869 | tmpret = start_inband_exchange(shell_user, shell_path, | |
870 | f_in, f_out, argc); | |
871 | if (tmpret < 0) | |
872 | return tmpret; | |
873 | } | |
874 | ||
fc8a6b97 AT |
875 | ret = client_run(f_in, f_out, pid, argc, argv); |
876 | ||
877 | fflush(stdout); | |
878 | fflush(stderr); | |
879 | ||
880 | return ret; | |
5d6bcd44 AT |
881 | } |
882 | ||
366345fe | 883 | |
067669da WD |
884 | static RETSIGTYPE sigusr1_handler(UNUSED(int val)) |
885 | { | |
65417579 | 886 | exit_cleanup(RERR_SIGNAL); |
82306bf6 AT |
887 | } |
888 | ||
067669da WD |
889 | static RETSIGTYPE sigusr2_handler(UNUSED(int val)) |
890 | { | |
ff81e809 | 891 | extern int log_got_error; |
19b27a48 | 892 | if (log_got_error) _exit(RERR_PARTIAL); |
8b35435f AT |
893 | _exit(0); |
894 | } | |
895 | ||
067669da WD |
896 | static RETSIGTYPE sigchld_handler(UNUSED(int val)) |
897 | { | |
029c1713 | 898 | #ifdef WNOHANG |
ee7118a8 DD |
899 | int cnt, status; |
900 | pid_t pid; | |
901 | /* An empty waitpid() loop was put here by Tridge and we could never | |
d9c7edf6 | 902 | * get him to explain why he put it in, so rather than taking it |
ee7118a8 DD |
903 | * out we're instead saving the child exit statuses for later use. |
904 | * The waitpid() loop presumably eliminates all possibility of leaving | |
905 | * zombie children, maybe that's why he did it. | |
906 | */ | |
907 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0) { | |
9af87151 WD |
908 | /* save the child's exit status */ |
909 | for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) { | |
910 | if (pid_stat_table[cnt].pid == 0) { | |
911 | pid_stat_table[cnt].pid = pid; | |
912 | pid_stat_table[cnt].status = status; | |
913 | break; | |
914 | } | |
915 | } | |
ee7118a8 | 916 | } |
029c1713 | 917 | #endif |
19b27a48 AT |
918 | } |
919 | ||
c0531332 MP |
920 | |
921 | /** | |
922 | * This routine catches signals and tries to send them to gdb. | |
923 | * | |
924 | * Because it's called from inside a signal handler it ought not to | |
925 | * use too many library routines. | |
926 | * | |
927 | * @todo Perhaps use "screen -X" instead/as well, to help people | |
928 | * debugging without easy access to X. Perhaps use an environment | |
929 | * variable, or just call a script? | |
930 | * | |
931 | * @todo The /proc/ magic probably only works on Linux (and | |
932 | * Solaris?) Can we be more portable? | |
933 | **/ | |
934 | #ifdef MAINTAINER_MODE | |
4fdc39dd MP |
935 | const char *get_panic_action(void) |
936 | { | |
937 | const char *cmd_fmt = getenv("RSYNC_PANIC_ACTION"); | |
938 | ||
939 | if (cmd_fmt) | |
940 | return cmd_fmt; | |
941 | else | |
942 | return "xterm -display :0 -T Panic -n Panic " | |
943 | "-e gdb /proc/%d/exe %d"; | |
944 | } | |
945 | ||
946 | ||
9fb3f7a9 MP |
947 | /** |
948 | * Handle a fatal signal by launching a debugger, controlled by $RSYNC_PANIC_ACTION. | |
949 | * | |
950 | * This signal handler is only installed if we were configured with | |
951 | * --enable-maintainer-mode. Perhaps it should always be on and we | |
952 | * should just look at the environment variable, but I'm a bit leery | |
953 | * of a signal sending us into a busy loop. | |
954 | **/ | |
067669da | 955 | static RETSIGTYPE rsync_panic_handler(UNUSED(int whatsig)) |
c0531332 MP |
956 | { |
957 | char cmd_buf[300]; | |
958 | int ret; | |
4fdc39dd MP |
959 | |
960 | sprintf(cmd_buf, get_panic_action(), | |
c0531332 MP |
961 | getpid(), getpid()); |
962 | ||
963 | /* Unless we failed to execute gdb, we allow the process to | |
964 | * continue. I'm not sure if that's right. */ | |
965 | ret = system(cmd_buf); | |
966 | if (ret) | |
967 | _exit(ret); | |
968 | } | |
969 | #endif | |
970 | ||
971 | ||
5d6bcd44 | 972 | int main(int argc,char *argv[]) |
d9c7edf6 | 973 | { |
7a6421fa AT |
974 | extern int am_root; |
975 | extern int orig_umask; | |
976 | extern int dry_run; | |
ff81e809 | 977 | int ret; |
088aac85 DD |
978 | extern int write_batch; |
979 | int orig_argc; | |
76f79ba7 | 980 | char **orig_argv; |
6902ed17 | 981 | |
088aac85 | 982 | orig_argc = argc; |
76f79ba7 | 983 | orig_argv = argv; |
5d6bcd44 | 984 | |
7a6421fa | 985 | signal(SIGUSR1, sigusr1_handler); |
8b35435f | 986 | signal(SIGUSR2, sigusr2_handler); |
19b27a48 | 987 | signal(SIGCHLD, sigchld_handler); |
c0531332 MP |
988 | #ifdef MAINTAINER_MODE |
989 | signal(SIGSEGV, rsync_panic_handler); | |
990 | signal(SIGFPE, rsync_panic_handler); | |
991 | signal(SIGABRT, rsync_panic_handler); | |
992 | signal(SIGBUS, rsync_panic_handler); | |
993 | #endif /* def MAINTAINER_MODE */ | |
5d6bcd44 | 994 | |
7a6421fa AT |
995 | starttime = time(NULL); |
996 | am_root = (getuid() == 0); | |
c627d613 | 997 | |
a800434a AT |
998 | memset(&stats, 0, sizeof(stats)); |
999 | ||
df5e03da AT |
1000 | if (argc < 2) { |
1001 | usage(FERROR); | |
65417579 | 1002 | exit_cleanup(RERR_SYNTAX); |
df5e03da AT |
1003 | } |
1004 | ||
7a6421fa | 1005 | /* we set a 0 umask so that correct file permissions can be |
9af87151 | 1006 | * carried across */ |
7a6421fa | 1007 | orig_umask = (int)umask(0); |
5d6bcd44 | 1008 | |
50135767 | 1009 | if (!parse_arguments(&argc, (const char ***) &argv, 1)) { |
d9c7edf6 WD |
1010 | /* FIXME: We ought to call the same error-handling |
1011 | * code here, rather than relying on getopt. */ | |
50135767 | 1012 | option_error(); |
65417579 | 1013 | exit_cleanup(RERR_SYNTAX); |
b11ed3b1 | 1014 | } |
5d6bcd44 | 1015 | |
7a6421fa | 1016 | signal(SIGINT,SIGNAL_CAST sig_int); |
7a6421fa | 1017 | signal(SIGHUP,SIGNAL_CAST sig_int); |
8638dd48 | 1018 | signal(SIGTERM,SIGNAL_CAST sig_int); |
6b83141d | 1019 | |
34758d5c MP |
1020 | /* Ignore SIGPIPE; we consistently check error codes and will |
1021 | * see the EPIPE. */ | |
1022 | signal(SIGPIPE, SIG_IGN); | |
1023 | ||
c226b7c2 | 1024 | /* Initialize push_dir here because on some old systems getcwd |
9af87151 WD |
1025 | * (implemented by forking "pwd" and reading its output) doesn't |
1026 | * work when there are other child processes. Also, on all systems | |
1027 | * that implement getcwd that way "pwd" can't be found after chroot. */ | |
c226b7c2 DD |
1028 | push_dir(NULL,0); |
1029 | ||
088aac85 | 1030 | if (write_batch && !am_server) { |
d9c7edf6 | 1031 | write_batch_argvs_file(orig_argc, orig_argv); |
6902ed17 MP |
1032 | } |
1033 | ||
75aeac44 | 1034 | if (am_daemon && !am_server) |
7a6421fa | 1035 | return daemon_main(); |
f0fca04e | 1036 | |
08ac228f AT |
1037 | if (argc < 1) { |
1038 | usage(FERROR); | |
65417579 | 1039 | exit_cleanup(RERR_SYNTAX); |
08ac228f AT |
1040 | } |
1041 | ||
7a6421fa AT |
1042 | if (dry_run) |
1043 | verbose = MAX(verbose,1); | |
c627d613 | 1044 | |
cbbe4892 | 1045 | #ifndef SUPPORT_LINKS |
7a6421fa AT |
1046 | if (!am_server && preserve_links) { |
1047 | rprintf(FERROR,"ERROR: symbolic links not supported\n"); | |
65417579 | 1048 | exit_cleanup(RERR_UNSUPPORTED); |
7a6421fa | 1049 | } |
cbbe4892 AT |
1050 | #endif |
1051 | ||
7a6421fa | 1052 | if (am_server) { |
f0359dd0 AT |
1053 | set_nonblocking(STDIN_FILENO); |
1054 | set_nonblocking(STDOUT_FILENO); | |
75aeac44 WD |
1055 | if (am_daemon) |
1056 | return start_daemon(STDIN_FILENO, STDOUT_FILENO); | |
7a6421fa AT |
1057 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); |
1058 | } | |
c627d613 | 1059 | |
ff81e809 | 1060 | ret = start_client(argc, argv); |
d9c7edf6 | 1061 | if (ret == -1) |
9098bbf3 | 1062 | exit_cleanup(RERR_STARTCLIENT); |
088aac85 | 1063 | else |
9098bbf3 MP |
1064 | exit_cleanup(ret); |
1065 | ||
0f5a04e3 | 1066 | return ret; |
c627d613 | 1067 | } |