Commit | Line | Data |
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0ba48136 MP |
1 | /* -*- c-file-style: "linux" -*- |
2 | ||
50135767 | 3 | Copyright (C) 1996-2001 by Andrew Tridgell <tridge@samba.org> |
c627d613 AT |
4 | Copyright (C) Paul Mackerras 1996 |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | */ | |
20 | ||
21 | #include "rsync.h" | |
22 | ||
f0fca04e | 23 | time_t starttime = 0; |
a800434a AT |
24 | |
25 | struct stats stats; | |
5d6bcd44 | 26 | |
7a6421fa | 27 | extern int verbose; |
c627d613 | 28 | |
82980a23 AT |
29 | |
30 | /**************************************************************************** | |
31 | wait for a process to exit, calling io_flush while waiting | |
32 | ****************************************************************************/ | |
33 | void wait_process(pid_t pid, int *status) | |
34 | { | |
35 | while (waitpid(pid, status, WNOHANG) == 0) { | |
a24c6870 | 36 | msleep(20); |
82980a23 AT |
37 | io_flush(); |
38 | } | |
50135767 MP |
39 | |
40 | /* TODO: If the child exited on a signal, then log an | |
41 | * appropriate error message. Perhaps we should also accept a | |
42 | * message describing the purpose of the child. Also indicate | |
43 | * this to the caller so that thhey know something went | |
44 | * wrong. */ | |
82980a23 AT |
45 | *status = WEXITSTATUS(*status); |
46 | } | |
47 | ||
c627d613 AT |
48 | static void report(int f) |
49 | { | |
7a6421fa AT |
50 | time_t t = time(NULL); |
51 | extern int am_server; | |
52 | extern int am_sender; | |
248fbb8c | 53 | extern int am_daemon; |
a800434a | 54 | extern int do_stats; |
17d31b38 DD |
55 | extern int remote_version; |
56 | int send_stats; | |
7a6421fa | 57 | |
248fbb8c | 58 | if (am_daemon) { |
a9766ef1 | 59 | log_exit(0, __FILE__, __LINE__); |
7b372642 | 60 | if (f == -1 || !am_sender) return; |
248fbb8c AT |
61 | } |
62 | ||
ebb00c8e | 63 | send_stats = verbose || (remote_version >= 20); |
e19452a9 | 64 | if (am_server) { |
17d31b38 | 65 | if (am_sender && send_stats) { |
23c5aef1 DD |
66 | int64 w; |
67 | /* store total_written in a temporary | |
68 | because write_longint changes it */ | |
69 | w = stats.total_written; | |
e19452a9 | 70 | write_longint(f,stats.total_read); |
23c5aef1 | 71 | write_longint(f,w); |
e19452a9 DD |
72 | write_longint(f,stats.total_size); |
73 | } | |
7a6421fa AT |
74 | return; |
75 | } | |
e19452a9 DD |
76 | |
77 | /* this is the client */ | |
78 | ||
17d31b38 | 79 | if (!am_sender && send_stats) { |
23c5aef1 | 80 | int64 r; |
a800434a | 81 | stats.total_written = read_longint(f); |
23c5aef1 DD |
82 | /* store total_read in a temporary, read_longint changes it */ |
83 | r = read_longint(f); | |
a800434a | 84 | stats.total_size = read_longint(f); |
23c5aef1 | 85 | stats.total_read = r; |
a800434a AT |
86 | } |
87 | ||
88 | if (do_stats) { | |
17d31b38 DD |
89 | if (!am_sender && !send_stats) { |
90 | /* missing the bytes written by the generator */ | |
ebb00c8e | 91 | rprintf(FINFO, "\nCannot show stats as receiver because remote protocol version is less than 20\n"); |
17d31b38 DD |
92 | rprintf(FINFO, "Use --stats -v to show stats\n"); |
93 | return; | |
94 | } | |
1f658d42 AT |
95 | rprintf(FINFO,"\nNumber of files: %d\n", stats.num_files); |
96 | rprintf(FINFO,"Number of files transferred: %d\n", | |
a800434a | 97 | stats.num_transferred_files); |
1f658d42 | 98 | rprintf(FINFO,"Total file size: %.0f bytes\n", |
a800434a | 99 | (double)stats.total_size); |
1f658d42 | 100 | rprintf(FINFO,"Total transferred file size: %.0f bytes\n", |
a800434a | 101 | (double)stats.total_transferred_size); |
1f658d42 | 102 | rprintf(FINFO,"Literal data: %.0f bytes\n", |
a800434a | 103 | (double)stats.literal_data); |
1f658d42 | 104 | rprintf(FINFO,"Matched data: %.0f bytes\n", |
a800434a | 105 | (double)stats.matched_data); |
1f658d42 AT |
106 | rprintf(FINFO,"File list size: %d\n", stats.flist_size); |
107 | rprintf(FINFO,"Total bytes written: %.0f\n", | |
a800434a | 108 | (double)stats.total_written); |
1f658d42 | 109 | rprintf(FINFO,"Total bytes read: %.0f\n\n", |
a800434a | 110 | (double)stats.total_read); |
7a6421fa AT |
111 | } |
112 | ||
e19452a9 DD |
113 | if (verbose || do_stats) { |
114 | rprintf(FINFO,"wrote %.0f bytes read %.0f bytes %.2f bytes/sec\n", | |
115 | (double)stats.total_written, | |
116 | (double)stats.total_read, | |
117 | (stats.total_written+stats.total_read)/(0.5 + (t-starttime))); | |
118 | rprintf(FINFO,"total size is %.0f speedup is %.2f\n", | |
119 | (double)stats.total_size, | |
120 | (1.0*stats.total_size)/(stats.total_written+stats.total_read)); | |
121 | } | |
fc8a6b97 AT |
122 | |
123 | fflush(stdout); | |
124 | fflush(stderr); | |
c627d613 AT |
125 | } |
126 | ||
127 | ||
305ab133 MP |
128 | /* Start the remote shell. */ |
129 | /* TODO: When the shell exits, look at its return value, as this may | |
130 | * well tell us if something went wrong in trying to connect to the | |
131 | * remote machine. Although it doesn't seem to be specified anywhere, | |
132 | * ssh and the shell seem to return these values: | |
133 | * | |
134 | * 124 if the command exited with status 255 | |
135 | * 125 if the command is killed by a signal | |
136 | * 126 if the command cannot be run | |
137 | * 127 if the command is not found | |
138 | * | |
139 | * and we could use this to give a better explanation if the remote | |
140 | * command is not found. | |
141 | */ | |
e3cd198f | 142 | static int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out) |
c627d613 | 143 | { |
366345fe AT |
144 | char *args[100]; |
145 | int i,argc=0, ret; | |
146 | char *tok,*dir=NULL; | |
7a6421fa AT |
147 | extern int local_server; |
148 | extern char *rsync_path; | |
e384bfbd | 149 | extern int blocking_io; |
366345fe AT |
150 | |
151 | if (!local_server) { | |
152 | if (!cmd) | |
153 | cmd = getenv(RSYNC_RSH_ENV); | |
154 | if (!cmd) | |
155 | cmd = RSYNC_RSH; | |
156 | cmd = strdup(cmd); | |
157 | if (!cmd) | |
158 | goto oom; | |
159 | ||
160 | for (tok=strtok(cmd," ");tok;tok=strtok(NULL," ")) { | |
161 | args[argc++] = tok; | |
162 | } | |
c627d613 | 163 | |
7b8356d0 | 164 | #if HAVE_REMSH |
366345fe AT |
165 | /* remsh (on HPUX) takes the arguments the other way around */ |
166 | args[argc++] = machine; | |
167 | if (user) { | |
168 | args[argc++] = "-l"; | |
169 | args[argc++] = user; | |
170 | } | |
7b8356d0 | 171 | #else |
366345fe AT |
172 | if (user) { |
173 | args[argc++] = "-l"; | |
174 | args[argc++] = user; | |
175 | } | |
176 | args[argc++] = machine; | |
7b8356d0 | 177 | #endif |
c627d613 | 178 | |
366345fe | 179 | args[argc++] = rsync_path; |
c627d613 | 180 | |
366345fe | 181 | server_options(args,&argc); |
e384bfbd AT |
182 | |
183 | ||
184 | if (strcmp(cmd, RSYNC_RSH) == 0) blocking_io = 1; | |
366345fe | 185 | } |
c627d613 | 186 | |
366345fe | 187 | args[argc++] = "."; |
76076c4b | 188 | |
366345fe AT |
189 | if (path && *path) |
190 | args[argc++] = path; | |
c627d613 | 191 | |
366345fe | 192 | args[argc] = NULL; |
c627d613 | 193 | |
366345fe | 194 | if (verbose > 3) { |
9486289c | 195 | rprintf(FINFO,"cmd="); |
366345fe | 196 | for (i=0;i<argc;i++) |
9486289c AT |
197 | rprintf(FINFO,"%s ",args[i]); |
198 | rprintf(FINFO,"\n"); | |
366345fe AT |
199 | } |
200 | ||
201 | if (local_server) { | |
202 | ret = local_child(argc, args, f_in, f_out); | |
203 | } else { | |
204 | ret = piped_child(args,f_in,f_out); | |
205 | } | |
c627d613 | 206 | |
366345fe | 207 | if (dir) free(dir); |
82306bf6 | 208 | |
366345fe | 209 | return ret; |
c627d613 AT |
210 | |
211 | oom: | |
366345fe AT |
212 | out_of_memory("do_cmd"); |
213 | return 0; /* not reached */ | |
c627d613 AT |
214 | } |
215 | ||
216 | ||
217 | ||
218 | ||
219 | static char *get_local_name(struct file_list *flist,char *name) | |
220 | { | |
7a6421fa AT |
221 | STRUCT_STAT st; |
222 | extern int orig_umask; | |
c627d613 | 223 | |
c95da96a AT |
224 | if (verbose > 2) |
225 | rprintf(FINFO,"get_local_name count=%d %s\n", | |
1f0610ef DD |
226 | flist->count, NS(name)); |
227 | ||
228 | if (!name) | |
229 | return NULL; | |
c95da96a | 230 | |
1ff5450d AT |
231 | if (do_stat(name,&st) == 0) { |
232 | if (S_ISDIR(st.st_mode)) { | |
5243c216 AT |
233 | if (!push_dir(name, 0)) { |
234 | rprintf(FERROR,"push_dir %s : %s (1)\n", | |
1ff5450d | 235 | name,strerror(errno)); |
65417579 | 236 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
237 | } |
238 | return NULL; | |
239 | } | |
240 | if (flist->count > 1) { | |
241 | rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n"); | |
65417579 | 242 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
243 | } |
244 | return name; | |
245 | } | |
246 | ||
cec8aa77 | 247 | if (flist->count <= 1) |
1ff5450d AT |
248 | return name; |
249 | ||
1ff5450d AT |
250 | if (do_mkdir(name,0777 & ~orig_umask) != 0) { |
251 | rprintf(FERROR,"mkdir %s : %s (1)\n",name,strerror(errno)); | |
65417579 | 252 | exit_cleanup(RERR_FILEIO); |
1ff5450d | 253 | } else { |
b536f47e AT |
254 | if (verbose > 0) |
255 | rprintf(FINFO,"created directory %s\n",name); | |
1ff5450d AT |
256 | } |
257 | ||
5243c216 AT |
258 | if (!push_dir(name, 0)) { |
259 | rprintf(FERROR,"push_dir %s : %s (2)\n", | |
260 | name,strerror(errno)); | |
65417579 | 261 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
262 | } |
263 | ||
264 | return NULL; | |
c627d613 AT |
265 | } |
266 | ||
267 | ||
268 | ||
269 | ||
9486289c | 270 | static void do_server_sender(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 271 | { |
7a6421fa AT |
272 | int i; |
273 | struct file_list *flist; | |
274 | char *dir = argv[0]; | |
275 | extern int relative_paths; | |
7a6421fa | 276 | extern int recurse; |
adc19c98 | 277 | extern int remote_version; |
c627d613 | 278 | |
7a6421fa AT |
279 | if (verbose > 2) |
280 | rprintf(FINFO,"server_sender starting pid=%d\n",(int)getpid()); | |
c627d613 | 281 | |
5243c216 AT |
282 | if (!relative_paths && !push_dir(dir, 0)) { |
283 | rprintf(FERROR,"push_dir %s: %s (3)\n",dir,strerror(errno)); | |
65417579 | 284 | exit_cleanup(RERR_FILESELECT); |
7a6421fa AT |
285 | } |
286 | argc--; | |
287 | argv++; | |
c627d613 | 288 | |
7a6421fa AT |
289 | if (strcmp(dir,".")) { |
290 | int l = strlen(dir); | |
291 | if (strcmp(dir,"/") == 0) | |
292 | l = 0; | |
293 | for (i=0;i<argc;i++) | |
294 | argv[i] += l+1; | |
295 | } | |
c627d613 | 296 | |
7a6421fa AT |
297 | if (argc == 0 && recurse) { |
298 | argc=1; | |
299 | argv--; | |
300 | argv[0] = "."; | |
301 | } | |
302 | ||
7a6421fa | 303 | flist = send_file_list(f_out,argc,argv); |
8d9dc9f9 AT |
304 | if (!flist || flist->count == 0) { |
305 | exit_cleanup(0); | |
306 | } | |
307 | ||
7a6421fa | 308 | send_files(flist,f_out,f_in); |
3d382777 | 309 | io_flush(); |
7a6421fa | 310 | report(f_out); |
adc19c98 AT |
311 | if (remote_version >= 24) { |
312 | /* final goodbye message */ | |
313 | read_int(f_in); | |
314 | } | |
8d9dc9f9 | 315 | io_flush(); |
7a6421fa | 316 | exit_cleanup(0); |
c627d613 AT |
317 | } |
318 | ||
319 | ||
dc5ddbcc AT |
320 | static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name) |
321 | { | |
d186eb1a AT |
322 | int pid; |
323 | int status=0; | |
324 | int recv_pipe[2]; | |
554e0a8d | 325 | int error_pipe[2]; |
d186eb1a | 326 | extern int preserve_hard_links; |
6957ae33 AT |
327 | extern int delete_after; |
328 | extern int recurse; | |
329 | extern int delete_mode; | |
8ada7518 | 330 | extern int remote_version; |
dc5ddbcc | 331 | |
d186eb1a AT |
332 | if (preserve_hard_links) |
333 | init_hard_links(flist); | |
dc5ddbcc | 334 | |
6957ae33 AT |
335 | if (!delete_after) { |
336 | /* I moved this here from recv_files() to prevent a race condition */ | |
337 | if (recurse && delete_mode && !local_name && flist->count>0) { | |
338 | delete_files(flist); | |
339 | } | |
340 | } | |
341 | ||
08f15335 | 342 | if (fd_pair(recv_pipe) < 0) { |
d186eb1a | 343 | rprintf(FERROR,"pipe failed in do_recv\n"); |
65417579 | 344 | exit_cleanup(RERR_SOCKETIO); |
d186eb1a | 345 | } |
554e0a8d | 346 | |
08f15335 | 347 | if (fd_pair(error_pipe) < 0) { |
554e0a8d AT |
348 | rprintf(FERROR,"error pipe failed in do_recv\n"); |
349 | exit_cleanup(RERR_SOCKETIO); | |
350 | } | |
c6e7fcb4 | 351 | |
8d9dc9f9 | 352 | io_flush(); |
c6e7fcb4 | 353 | |
d186eb1a | 354 | if ((pid=do_fork()) == 0) { |
e08c9610 | 355 | close(recv_pipe[0]); |
554e0a8d | 356 | close(error_pipe[0]); |
e08c9610 AT |
357 | if (f_in != f_out) close(f_out); |
358 | ||
554e0a8d AT |
359 | /* we can't let two processes write to the socket at one time */ |
360 | io_multiplexing_close(); | |
361 | ||
362 | /* set place to send errors */ | |
363 | set_error_fd(error_pipe[1]); | |
364 | ||
e08c9610 | 365 | recv_files(f_in,flist,local_name,recv_pipe[1]); |
3d382777 | 366 | io_flush(); |
ba5e128d | 367 | report(f_in); |
e08c9610 | 368 | |
8b35435f AT |
369 | write_int(recv_pipe[1],1); |
370 | close(recv_pipe[1]); | |
8d9dc9f9 | 371 | io_flush(); |
4a748188 | 372 | /* finally we go to sleep until our parent kills us |
27e3e9c9 | 373 | with a USR2 signal. We sleep for a short time as on |
4a748188 | 374 | some OSes a signal won't interrupt a sleep! */ |
27e3e9c9 | 375 | while (1) msleep(20); |
d186eb1a | 376 | } |
dc5ddbcc | 377 | |
e08c9610 | 378 | close(recv_pipe[1]); |
554e0a8d | 379 | close(error_pipe[1]); |
e08c9610 | 380 | if (f_in != f_out) close(f_in); |
e1b3d5c4 | 381 | |
b3e10ed7 AT |
382 | io_start_buffering(f_out); |
383 | ||
554e0a8d AT |
384 | io_set_error_fd(error_pipe[0]); |
385 | ||
e08c9610 | 386 | generate_files(f_out,flist,local_name,recv_pipe[0]); |
8d9dc9f9 | 387 | |
8b35435f AT |
388 | read_int(recv_pipe[0]); |
389 | close(recv_pipe[0]); | |
8ada7518 AT |
390 | if (remote_version >= 24) { |
391 | /* send a final goodbye message */ | |
392 | write_int(f_out, -1); | |
393 | } | |
8d9dc9f9 | 394 | io_flush(); |
8ada7518 | 395 | |
8b35435f | 396 | kill(pid, SIGUSR2); |
d79d1c69 | 397 | wait_process(pid, &status); |
d186eb1a | 398 | return status; |
dc5ddbcc AT |
399 | } |
400 | ||
c627d613 | 401 | |
9486289c | 402 | static void do_server_recv(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 403 | { |
7a6421fa AT |
404 | int status; |
405 | struct file_list *flist; | |
406 | char *local_name=NULL; | |
407 | char *dir = NULL; | |
408 | extern int delete_mode; | |
b33b791e | 409 | extern int delete_excluded; |
7a6421fa | 410 | extern int am_daemon; |
09b7f5db AT |
411 | extern int module_id; |
412 | extern int am_sender; | |
f0fca04e | 413 | |
7a6421fa AT |
414 | if (verbose > 2) |
415 | rprintf(FINFO,"server_recv(%d) starting pid=%d\n",argc,(int)getpid()); | |
09b7f5db AT |
416 | |
417 | if (am_daemon && lp_read_only(module_id) && !am_sender) { | |
418 | rprintf(FERROR,"ERROR: module is read only\n"); | |
419 | exit_cleanup(RERR_SYNTAX); | |
420 | return; | |
421 | } | |
422 | ||
7a6421fa | 423 | |
7a6421fa AT |
424 | if (argc > 0) { |
425 | dir = argv[0]; | |
426 | argc--; | |
427 | argv++; | |
5243c216 AT |
428 | if (!am_daemon && !push_dir(dir, 0)) { |
429 | rprintf(FERROR,"push_dir %s : %s (4)\n", | |
7a6421fa | 430 | dir,strerror(errno)); |
65417579 | 431 | exit_cleanup(RERR_FILESELECT); |
7a6421fa AT |
432 | } |
433 | } | |
c627d613 | 434 | |
b33b791e | 435 | if (delete_mode && !delete_excluded) |
7a6421fa | 436 | recv_exclude_list(f_in); |
c627d613 | 437 | |
7a6421fa | 438 | flist = recv_file_list(f_in); |
4c36a13e AT |
439 | if (!flist) { |
440 | rprintf(FERROR,"server_recv: recv_file_list error\n"); | |
65417579 | 441 | exit_cleanup(RERR_FILESELECT); |
7a6421fa AT |
442 | } |
443 | ||
444 | if (argc > 0) { | |
445 | if (strcmp(dir,".")) { | |
446 | argv[0] += strlen(dir); | |
447 | if (argv[0][0] == '/') argv[0]++; | |
448 | } | |
449 | local_name = get_local_name(flist,argv[0]); | |
450 | } | |
c627d613 | 451 | |
7a6421fa AT |
452 | status = do_recv(f_in,f_out,flist,local_name); |
453 | exit_cleanup(status); | |
c627d613 AT |
454 | } |
455 | ||
456 | ||
9486289c | 457 | void start_server(int f_in, int f_out, int argc, char *argv[]) |
366345fe | 458 | { |
7a6421fa AT |
459 | extern int cvs_exclude; |
460 | extern int am_sender; | |
ff41a59f AT |
461 | extern int remote_version; |
462 | ||
6d7b6081 AT |
463 | setup_protocol(f_out, f_in); |
464 | ||
f0359dd0 AT |
465 | set_nonblocking(f_in); |
466 | set_nonblocking(f_out); | |
467 | ||
ff41a59f AT |
468 | if (remote_version >= 23) |
469 | io_start_multiplex_out(f_out); | |
7a6421fa | 470 | |
7a6421fa AT |
471 | if (am_sender) { |
472 | recv_exclude_list(f_in); | |
473 | if (cvs_exclude) | |
474 | add_cvs_excludes(); | |
475 | do_server_sender(f_in, f_out, argc, argv); | |
476 | } else { | |
477 | do_server_recv(f_in, f_out, argc, argv); | |
478 | } | |
479 | exit_cleanup(0); | |
366345fe AT |
480 | } |
481 | ||
0ba48136 MP |
482 | |
483 | /* | |
484 | * This is called once the connection has been negotiated. It is used | |
485 | * for rsyncd, remote-shell, and local connections. | |
486 | */ | |
3591c066 | 487 | int client_run(int f_in, int f_out, int pid, int argc, char *argv[]) |
9486289c AT |
488 | { |
489 | struct file_list *flist; | |
490 | int status = 0, status2 = 0; | |
491 | char *local_name = NULL; | |
7a6421fa | 492 | extern int am_sender; |
ff41a59f AT |
493 | extern int remote_version; |
494 | ||
f0359dd0 AT |
495 | set_nonblocking(f_in); |
496 | set_nonblocking(f_out); | |
497 | ||
6d7b6081 AT |
498 | setup_protocol(f_out,f_in); |
499 | ||
ff41a59f AT |
500 | if (remote_version >= 23) |
501 | io_start_multiplex_in(f_in); | |
9486289c AT |
502 | |
503 | if (am_sender) { | |
7a6421fa AT |
504 | extern int cvs_exclude; |
505 | extern int delete_mode; | |
b33b791e | 506 | extern int delete_excluded; |
9486289c AT |
507 | if (cvs_exclude) |
508 | add_cvs_excludes(); | |
b33b791e | 509 | if (delete_mode && !delete_excluded) |
9486289c AT |
510 | send_exclude_list(f_out); |
511 | flist = send_file_list(f_out,argc,argv); | |
512 | if (verbose > 3) | |
513 | rprintf(FINFO,"file list sent\n"); | |
e1b3d5c4 | 514 | |
9486289c AT |
515 | send_files(flist,f_out,f_in); |
516 | if (pid != -1) { | |
517 | if (verbose > 3) | |
8d9dc9f9 AT |
518 | rprintf(FINFO,"client_run waiting on %d\n",pid); |
519 | io_flush(); | |
d79d1c69 | 520 | wait_process(pid, &status); |
9486289c | 521 | } |
8ada7518 AT |
522 | if (remote_version >= 24) { |
523 | /* final goodbye message */ | |
524 | read_int(f_in); | |
525 | } | |
3d382777 | 526 | report(-1); |
9486289c AT |
527 | exit_cleanup(status); |
528 | } | |
f7632fc6 | 529 | |
27e3e9c9 AT |
530 | if (argc == 0) { |
531 | extern int list_only; | |
532 | list_only = 1; | |
533 | } | |
9486289c AT |
534 | |
535 | send_exclude_list(f_out); | |
536 | ||
537 | flist = recv_file_list(f_in); | |
538 | if (!flist || flist->count == 0) { | |
796d484b MP |
539 | rprintf(FINFO, "client: nothing to do: " |
540 | "perhaps you need to specify some filenames or " | |
541 | "the --recursive option?\n"); | |
9486289c AT |
542 | exit_cleanup(0); |
543 | } | |
544 | ||
545 | local_name = get_local_name(flist,argv[0]); | |
546 | ||
547 | status2 = do_recv(f_in,f_out,flist,local_name); | |
548 | ||
9486289c | 549 | if (pid != -1) { |
8d9dc9f9 AT |
550 | if (verbose > 3) |
551 | rprintf(FINFO,"client_run2 waiting on %d\n",pid); | |
552 | io_flush(); | |
d79d1c69 | 553 | wait_process(pid, &status); |
9486289c AT |
554 | } |
555 | ||
556 | return status | status2; | |
557 | } | |
558 | ||
ca6c93f8 AT |
559 | static char *find_colon(char *s) |
560 | { | |
561 | char *p, *p2; | |
562 | ||
563 | p = strchr(s,':'); | |
564 | if (!p) return NULL; | |
565 | ||
566 | /* now check to see if there is a / in the string before the : - if there is then | |
567 | discard the colon on the assumption that the : is part of a filename */ | |
568 | p2 = strchr(s,'/'); | |
569 | if (p2 && p2 < p) return NULL; | |
570 | ||
571 | return p; | |
572 | } | |
9486289c | 573 | |
0ba48136 MP |
574 | |
575 | /* | |
576 | * Start a client for either type of remote connection. Work out | |
577 | * whether the arguments request a remote shell or rsyncd connection, | |
578 | * and call the appropriate connection function, then run_client. | |
579 | */ | |
fc8a6b97 | 580 | static int start_client(int argc, char *argv[]) |
5d6bcd44 AT |
581 | { |
582 | char *p; | |
583 | char *shell_machine = NULL; | |
584 | char *shell_path = NULL; | |
585 | char *shell_user = NULL; | |
fc8a6b97 | 586 | int pid, ret; |
5d6bcd44 | 587 | int f_in,f_out; |
7a6421fa AT |
588 | extern int local_server; |
589 | extern int am_sender; | |
590 | extern char *shell_cmd; | |
2acf81eb | 591 | extern int rsync_port; |
c32d0240 | 592 | char *argv0 = strdup(argv[0]); |
5d6bcd44 | 593 | |
c32d0240 | 594 | if (strncasecmp(URL_PREFIX, argv0, strlen(URL_PREFIX)) == 0) { |
f7632fc6 AT |
595 | char *host, *path; |
596 | ||
c32d0240 | 597 | host = argv0 + strlen(URL_PREFIX); |
f7632fc6 AT |
598 | p = strchr(host,'/'); |
599 | if (p) { | |
600 | *p = 0; | |
601 | path = p+1; | |
602 | } else { | |
603 | path=""; | |
604 | } | |
2acf81eb DD |
605 | p = strchr(host,':'); |
606 | if (p) { | |
607 | rsync_port = atoi(p+1); | |
608 | *p = 0; | |
609 | } | |
f7632fc6 AT |
610 | return start_socket_client(host, path, argc-1, argv+1); |
611 | } | |
612 | ||
c32d0240 | 613 | p = find_colon(argv0); |
5d6bcd44 AT |
614 | |
615 | if (p) { | |
9486289c AT |
616 | if (p[1] == ':') { |
617 | *p = 0; | |
c32d0240 | 618 | return start_socket_client(argv0, p+2, argc-1, argv+1); |
9486289c | 619 | } |
3591c066 | 620 | |
f7632fc6 | 621 | if (argc < 1) { |
3591c066 | 622 | usage(FERROR); |
65417579 | 623 | exit_cleanup(RERR_SYNTAX); |
3591c066 AT |
624 | } |
625 | ||
5d6bcd44 AT |
626 | am_sender = 0; |
627 | *p = 0; | |
38bf526f | 628 | shell_machine = argv0; |
5d6bcd44 AT |
629 | shell_path = p+1; |
630 | argc--; | |
631 | argv++; | |
632 | } else { | |
633 | am_sender = 1; | |
9486289c | 634 | |
ca6c93f8 | 635 | p = find_colon(argv[argc-1]); |
5d6bcd44 AT |
636 | if (!p) { |
637 | local_server = 1; | |
9486289c AT |
638 | } else if (p[1] == ':') { |
639 | *p = 0; | |
640 | return start_socket_client(argv[argc-1], p+2, argc-1, argv); | |
5d6bcd44 | 641 | } |
3591c066 AT |
642 | |
643 | if (argc < 2) { | |
644 | usage(FERROR); | |
65417579 | 645 | exit_cleanup(RERR_SYNTAX); |
3591c066 | 646 | } |
9486289c | 647 | |
5d6bcd44 AT |
648 | if (local_server) { |
649 | shell_machine = NULL; | |
650 | shell_path = argv[argc-1]; | |
651 | } else { | |
652 | *p = 0; | |
653 | shell_machine = argv[argc-1]; | |
654 | shell_path = p+1; | |
655 | } | |
656 | argc--; | |
657 | } | |
658 | ||
659 | if (shell_machine) { | |
660 | p = strchr(shell_machine,'@'); | |
661 | if (p) { | |
662 | *p = 0; | |
663 | shell_user = shell_machine; | |
664 | shell_machine = p+1; | |
665 | } | |
666 | } | |
667 | ||
668 | if (verbose > 3) { | |
9486289c | 669 | rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n", |
5d6bcd44 AT |
670 | shell_cmd?shell_cmd:"", |
671 | shell_machine?shell_machine:"", | |
672 | shell_user?shell_user:"", | |
673 | shell_path?shell_path:""); | |
674 | } | |
675 | ||
f7632fc6 | 676 | if (!am_sender && argc > 1) { |
5d6bcd44 | 677 | usage(FERROR); |
65417579 | 678 | exit_cleanup(RERR_SYNTAX); |
5d6bcd44 | 679 | } |
27e3e9c9 AT |
680 | |
681 | if (argc == 0 && !am_sender) { | |
682 | extern int list_only; | |
683 | list_only = 1; | |
684 | } | |
5d6bcd44 AT |
685 | |
686 | pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,&f_in,&f_out); | |
687 | ||
fc8a6b97 AT |
688 | ret = client_run(f_in, f_out, pid, argc, argv); |
689 | ||
690 | fflush(stdout); | |
691 | fflush(stderr); | |
692 | ||
693 | return ret; | |
5d6bcd44 AT |
694 | } |
695 | ||
366345fe | 696 | |
6e4fb64e | 697 | static RETSIGTYPE sigusr1_handler(int val) { |
65417579 | 698 | exit_cleanup(RERR_SIGNAL); |
82306bf6 AT |
699 | } |
700 | ||
8b35435f AT |
701 | static RETSIGTYPE sigusr2_handler(int val) { |
702 | _exit(0); | |
703 | } | |
704 | ||
5d6bcd44 | 705 | int main(int argc,char *argv[]) |
7a6421fa AT |
706 | { |
707 | extern int am_root; | |
708 | extern int orig_umask; | |
709 | extern int dry_run; | |
710 | extern int am_daemon; | |
711 | extern int am_server; | |
5d6bcd44 | 712 | |
7a6421fa | 713 | signal(SIGUSR1, sigusr1_handler); |
8b35435f | 714 | signal(SIGUSR2, sigusr2_handler); |
5d6bcd44 | 715 | |
7a6421fa AT |
716 | starttime = time(NULL); |
717 | am_root = (getuid() == 0); | |
c627d613 | 718 | |
a800434a AT |
719 | memset(&stats, 0, sizeof(stats)); |
720 | ||
df5e03da AT |
721 | if (argc < 2) { |
722 | usage(FERROR); | |
65417579 | 723 | exit_cleanup(RERR_SYNTAX); |
df5e03da AT |
724 | } |
725 | ||
7a6421fa AT |
726 | /* we set a 0 umask so that correct file permissions can be |
727 | carried across */ | |
728 | orig_umask = (int)umask(0); | |
5d6bcd44 | 729 | |
50135767 | 730 | if (!parse_arguments(&argc, (const char ***) &argv, 1)) { |
305ab133 MP |
731 | /* FIXME: We ought to call the same error-handling |
732 | * code here, rather than relying on getopt. */ | |
50135767 | 733 | option_error(); |
65417579 | 734 | exit_cleanup(RERR_SYNTAX); |
b11ed3b1 | 735 | } |
5d6bcd44 | 736 | |
7a6421fa AT |
737 | signal(SIGCHLD,SIG_IGN); |
738 | signal(SIGINT,SIGNAL_CAST sig_int); | |
739 | signal(SIGPIPE,SIGNAL_CAST sig_int); | |
740 | signal(SIGHUP,SIGNAL_CAST sig_int); | |
8638dd48 | 741 | signal(SIGTERM,SIGNAL_CAST sig_int); |
6b83141d | 742 | |
c226b7c2 DD |
743 | /* Initialize push_dir here because on some old systems getcwd |
744 | (implemented by forking "pwd" and reading its output) doesn't | |
745 | work when there are other child processes. Also, on all systems | |
746 | that implement getcwd that way "pwd" can't be found after chroot. */ | |
747 | push_dir(NULL,0); | |
748 | ||
7a6421fa AT |
749 | if (am_daemon) { |
750 | return daemon_main(); | |
751 | } | |
f0fca04e | 752 | |
08ac228f AT |
753 | if (argc < 1) { |
754 | usage(FERROR); | |
65417579 | 755 | exit_cleanup(RERR_SYNTAX); |
08ac228f AT |
756 | } |
757 | ||
7a6421fa AT |
758 | if (dry_run) |
759 | verbose = MAX(verbose,1); | |
c627d613 | 760 | |
cbbe4892 | 761 | #ifndef SUPPORT_LINKS |
7a6421fa AT |
762 | if (!am_server && preserve_links) { |
763 | rprintf(FERROR,"ERROR: symbolic links not supported\n"); | |
65417579 | 764 | exit_cleanup(RERR_UNSUPPORTED); |
7a6421fa | 765 | } |
cbbe4892 AT |
766 | #endif |
767 | ||
7a6421fa | 768 | if (am_server) { |
f0359dd0 AT |
769 | set_nonblocking(STDIN_FILENO); |
770 | set_nonblocking(STDOUT_FILENO); | |
7a6421fa AT |
771 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); |
772 | } | |
c627d613 | 773 | |
7a6421fa | 774 | return start_client(argc, argv); |
c627d613 | 775 | } |
82306bf6 | 776 |