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 | 4 | Copyright (C) Paul Mackerras 1996 |
e5a2b854 | 5 | Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org> |
c627d613 AT |
6 | |
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. | |
11 | ||
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. | |
16 | ||
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 AT |
25 | |
26 | struct stats stats; | |
5d6bcd44 | 27 | |
7a6421fa | 28 | extern int verbose; |
c627d613 | 29 | |
e5a2b854 | 30 | static void show_malloc_stats(void); |
82980a23 AT |
31 | |
32 | /**************************************************************************** | |
33 | wait for a process to exit, calling io_flush while waiting | |
34 | ****************************************************************************/ | |
35 | void wait_process(pid_t pid, int *status) | |
36 | { | |
37 | while (waitpid(pid, status, WNOHANG) == 0) { | |
a24c6870 | 38 | msleep(20); |
82980a23 AT |
39 | io_flush(); |
40 | } | |
50135767 MP |
41 | |
42 | /* TODO: If the child exited on a signal, then log an | |
43 | * appropriate error message. Perhaps we should also accept a | |
44 | * message describing the purpose of the child. Also indicate | |
45 | * this to the caller so that thhey know something went | |
46 | * wrong. */ | |
82980a23 AT |
47 | *status = WEXITSTATUS(*status); |
48 | } | |
49 | ||
c627d613 AT |
50 | static void report(int f) |
51 | { | |
7a6421fa AT |
52 | time_t t = time(NULL); |
53 | extern int am_server; | |
54 | extern int am_sender; | |
248fbb8c | 55 | extern int am_daemon; |
a800434a | 56 | extern int do_stats; |
17d31b38 DD |
57 | extern int remote_version; |
58 | int send_stats; | |
7a6421fa | 59 | |
5c15e29f MP |
60 | if (do_stats) { |
61 | /* These come out from every process */ | |
62 | show_malloc_stats(); | |
86943126 | 63 | show_flist_stats(); |
5c15e29f MP |
64 | } |
65 | ||
248fbb8c | 66 | if (am_daemon) { |
a9766ef1 | 67 | log_exit(0, __FILE__, __LINE__); |
7b372642 | 68 | if (f == -1 || !am_sender) return; |
248fbb8c AT |
69 | } |
70 | ||
ebb00c8e | 71 | send_stats = verbose || (remote_version >= 20); |
e19452a9 | 72 | if (am_server) { |
17d31b38 | 73 | if (am_sender && send_stats) { |
23c5aef1 DD |
74 | int64 w; |
75 | /* store total_written in a temporary | |
76 | because write_longint changes it */ | |
77 | w = stats.total_written; | |
e19452a9 | 78 | write_longint(f,stats.total_read); |
23c5aef1 | 79 | write_longint(f,w); |
e19452a9 DD |
80 | write_longint(f,stats.total_size); |
81 | } | |
7a6421fa AT |
82 | return; |
83 | } | |
e19452a9 DD |
84 | |
85 | /* this is the client */ | |
86 | ||
17d31b38 | 87 | if (!am_sender && send_stats) { |
23c5aef1 | 88 | int64 r; |
a800434a | 89 | stats.total_written = read_longint(f); |
23c5aef1 DD |
90 | /* store total_read in a temporary, read_longint changes it */ |
91 | r = read_longint(f); | |
a800434a | 92 | stats.total_size = read_longint(f); |
23c5aef1 | 93 | stats.total_read = r; |
a800434a AT |
94 | } |
95 | ||
96 | if (do_stats) { | |
17d31b38 DD |
97 | if (!am_sender && !send_stats) { |
98 | /* missing the bytes written by the generator */ | |
ebb00c8e | 99 | rprintf(FINFO, "\nCannot show stats as receiver because remote protocol version is less than 20\n"); |
17d31b38 DD |
100 | rprintf(FINFO, "Use --stats -v to show stats\n"); |
101 | return; | |
102 | } | |
1f658d42 AT |
103 | rprintf(FINFO,"\nNumber of files: %d\n", stats.num_files); |
104 | rprintf(FINFO,"Number of files transferred: %d\n", | |
a800434a | 105 | stats.num_transferred_files); |
1f658d42 | 106 | rprintf(FINFO,"Total file size: %.0f bytes\n", |
a800434a | 107 | (double)stats.total_size); |
1f658d42 | 108 | rprintf(FINFO,"Total transferred file size: %.0f bytes\n", |
a800434a | 109 | (double)stats.total_transferred_size); |
1f658d42 | 110 | rprintf(FINFO,"Literal data: %.0f bytes\n", |
a800434a | 111 | (double)stats.literal_data); |
1f658d42 | 112 | rprintf(FINFO,"Matched data: %.0f bytes\n", |
a800434a | 113 | (double)stats.matched_data); |
1f658d42 AT |
114 | rprintf(FINFO,"File list size: %d\n", stats.flist_size); |
115 | rprintf(FINFO,"Total bytes written: %.0f\n", | |
a800434a | 116 | (double)stats.total_written); |
1f658d42 | 117 | rprintf(FINFO,"Total bytes read: %.0f\n\n", |
a800434a | 118 | (double)stats.total_read); |
7a6421fa AT |
119 | } |
120 | ||
e19452a9 DD |
121 | if (verbose || do_stats) { |
122 | rprintf(FINFO,"wrote %.0f bytes read %.0f bytes %.2f bytes/sec\n", | |
123 | (double)stats.total_written, | |
124 | (double)stats.total_read, | |
125 | (stats.total_written+stats.total_read)/(0.5 + (t-starttime))); | |
126 | rprintf(FINFO,"total size is %.0f speedup is %.2f\n", | |
127 | (double)stats.total_size, | |
128 | (1.0*stats.total_size)/(stats.total_written+stats.total_read)); | |
129 | } | |
fc8a6b97 AT |
130 | |
131 | fflush(stdout); | |
132 | fflush(stderr); | |
c627d613 AT |
133 | } |
134 | ||
135 | ||
e5a2b854 MP |
136 | /** |
137 | * If our C library can get malloc statistics, then show them to FINFO | |
138 | **/ | |
139 | static void show_malloc_stats(void) | |
140 | { | |
141 | #ifdef HAVE_MALLINFO | |
142 | struct mallinfo mi; | |
5c15e29f MP |
143 | extern int am_server; |
144 | extern int am_sender; | |
145 | extern int am_daemon; | |
e5a2b854 MP |
146 | |
147 | mi = mallinfo(); | |
148 | ||
5c15e29f MP |
149 | rprintf(FINFO, RSYNC_NAME "[%d] (%s%s%s) heap statistics:\n", |
150 | getpid(), | |
151 | am_server ? "server " : "", | |
152 | am_daemon ? "daemon " : "", | |
153 | am_sender ? "sender" : "receiver"); | |
e5a2b854 MP |
154 | rprintf(FINFO, " arena: %10d (bytes from sbrk)\n", mi.arena); |
155 | rprintf(FINFO, " ordblks: %10d (chunks not in use)\n", mi.ordblks); | |
156 | rprintf(FINFO, " smblks: %10d\n", mi.smblks); | |
157 | rprintf(FINFO, " hblks: %10d (chunks from mmap)\n", mi.hblks); | |
158 | rprintf(FINFO, " hblkhd: %10d (bytes from mmap)\n", mi.hblkhd); | |
159 | rprintf(FINFO, " usmblks: %10d\n", mi.usmblks); | |
160 | rprintf(FINFO, " fsmblks: %10d\n", mi.fsmblks); | |
161 | rprintf(FINFO, " uordblks: %10d (bytes used)\n", mi.uordblks); | |
162 | rprintf(FINFO, " fordblks: %10d (bytes free)\n", mi.fordblks); | |
163 | rprintf(FINFO, " keepcost: %10d (bytes in releasable chunk)\n", mi.keepcost); | |
164 | #endif /* HAVE_MALLINFO */ | |
165 | } | |
166 | ||
167 | ||
0882faa2 | 168 | /* Start the remote shell. cmd may be NULL to use the default. */ |
19b27a48 | 169 | static pid_t do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out) |
c627d613 | 170 | { |
366345fe | 171 | char *args[100]; |
19b27a48 AT |
172 | int i,argc=0; |
173 | pid_t ret; | |
366345fe | 174 | char *tok,*dir=NULL; |
7a6421fa AT |
175 | extern int local_server; |
176 | extern char *rsync_path; | |
e384bfbd | 177 | extern int blocking_io; |
6902ed17 | 178 | extern int read_batch; |
366345fe | 179 | |
6902ed17 | 180 | if (!read_batch && !local_server) { /* dw -- added read_batch */ |
366345fe AT |
181 | if (!cmd) |
182 | cmd = getenv(RSYNC_RSH_ENV); | |
183 | if (!cmd) | |
184 | cmd = RSYNC_RSH; | |
185 | cmd = strdup(cmd); | |
186 | if (!cmd) | |
187 | goto oom; | |
188 | ||
189 | for (tok=strtok(cmd," ");tok;tok=strtok(NULL," ")) { | |
190 | args[argc++] = tok; | |
191 | } | |
c627d613 | 192 | |
7b8356d0 | 193 | #if HAVE_REMSH |
366345fe AT |
194 | /* remsh (on HPUX) takes the arguments the other way around */ |
195 | args[argc++] = machine; | |
196 | if (user) { | |
197 | args[argc++] = "-l"; | |
198 | args[argc++] = user; | |
199 | } | |
7b8356d0 | 200 | #else |
366345fe AT |
201 | if (user) { |
202 | args[argc++] = "-l"; | |
203 | args[argc++] = user; | |
204 | } | |
205 | args[argc++] = machine; | |
7b8356d0 | 206 | #endif |
c627d613 | 207 | |
366345fe | 208 | args[argc++] = rsync_path; |
c627d613 | 209 | |
366345fe | 210 | server_options(args,&argc); |
e384bfbd AT |
211 | |
212 | ||
213 | if (strcmp(cmd, RSYNC_RSH) == 0) blocking_io = 1; | |
366345fe | 214 | } |
c627d613 | 215 | |
366345fe | 216 | args[argc++] = "."; |
76076c4b | 217 | |
366345fe AT |
218 | if (path && *path) |
219 | args[argc++] = path; | |
c627d613 | 220 | |
366345fe | 221 | args[argc] = NULL; |
c627d613 | 222 | |
366345fe | 223 | if (verbose > 3) { |
9486289c | 224 | rprintf(FINFO,"cmd="); |
366345fe | 225 | for (i=0;i<argc;i++) |
9486289c AT |
226 | rprintf(FINFO,"%s ",args[i]); |
227 | rprintf(FINFO,"\n"); | |
366345fe AT |
228 | } |
229 | ||
230 | if (local_server) { | |
6902ed17 MP |
231 | if (read_batch) |
232 | create_flist_from_batch(); | |
366345fe AT |
233 | ret = local_child(argc, args, f_in, f_out); |
234 | } else { | |
235 | ret = piped_child(args,f_in,f_out); | |
236 | } | |
c627d613 | 237 | |
366345fe | 238 | if (dir) free(dir); |
82306bf6 | 239 | |
366345fe | 240 | return ret; |
c627d613 AT |
241 | |
242 | oom: | |
366345fe AT |
243 | out_of_memory("do_cmd"); |
244 | return 0; /* not reached */ | |
c627d613 AT |
245 | } |
246 | ||
247 | ||
248 | ||
249 | ||
250 | static char *get_local_name(struct file_list *flist,char *name) | |
251 | { | |
7a6421fa AT |
252 | STRUCT_STAT st; |
253 | extern int orig_umask; | |
c627d613 | 254 | |
c95da96a AT |
255 | if (verbose > 2) |
256 | rprintf(FINFO,"get_local_name count=%d %s\n", | |
1f0610ef DD |
257 | flist->count, NS(name)); |
258 | ||
259 | if (!name) | |
260 | return NULL; | |
c95da96a | 261 | |
1ff5450d AT |
262 | if (do_stat(name,&st) == 0) { |
263 | if (S_ISDIR(st.st_mode)) { | |
5243c216 AT |
264 | if (!push_dir(name, 0)) { |
265 | rprintf(FERROR,"push_dir %s : %s (1)\n", | |
1ff5450d | 266 | name,strerror(errno)); |
65417579 | 267 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
268 | } |
269 | return NULL; | |
270 | } | |
271 | if (flist->count > 1) { | |
272 | rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n"); | |
65417579 | 273 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
274 | } |
275 | return name; | |
276 | } | |
277 | ||
cec8aa77 | 278 | if (flist->count <= 1) |
1ff5450d AT |
279 | return name; |
280 | ||
1ff5450d AT |
281 | if (do_mkdir(name,0777 & ~orig_umask) != 0) { |
282 | rprintf(FERROR,"mkdir %s : %s (1)\n",name,strerror(errno)); | |
65417579 | 283 | exit_cleanup(RERR_FILEIO); |
1ff5450d | 284 | } else { |
b536f47e AT |
285 | if (verbose > 0) |
286 | rprintf(FINFO,"created directory %s\n",name); | |
1ff5450d AT |
287 | } |
288 | ||
5243c216 AT |
289 | if (!push_dir(name, 0)) { |
290 | rprintf(FERROR,"push_dir %s : %s (2)\n", | |
291 | name,strerror(errno)); | |
65417579 | 292 | exit_cleanup(RERR_FILESELECT); |
1ff5450d AT |
293 | } |
294 | ||
295 | return NULL; | |
c627d613 AT |
296 | } |
297 | ||
298 | ||
299 | ||
300 | ||
9486289c | 301 | static void do_server_sender(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 302 | { |
7a6421fa AT |
303 | int i; |
304 | struct file_list *flist; | |
305 | char *dir = argv[0]; | |
306 | extern int relative_paths; | |
7a6421fa | 307 | extern int recurse; |
adc19c98 | 308 | extern int remote_version; |
c627d613 | 309 | |
7a6421fa AT |
310 | if (verbose > 2) |
311 | rprintf(FINFO,"server_sender starting pid=%d\n",(int)getpid()); | |
c627d613 | 312 | |
5243c216 AT |
313 | if (!relative_paths && !push_dir(dir, 0)) { |
314 | rprintf(FERROR,"push_dir %s: %s (3)\n",dir,strerror(errno)); | |
65417579 | 315 | exit_cleanup(RERR_FILESELECT); |
7a6421fa AT |
316 | } |
317 | argc--; | |
318 | argv++; | |
c627d613 | 319 | |
7a6421fa AT |
320 | if (strcmp(dir,".")) { |
321 | int l = strlen(dir); | |
322 | if (strcmp(dir,"/") == 0) | |
323 | l = 0; | |
324 | for (i=0;i<argc;i++) | |
325 | argv[i] += l+1; | |
326 | } | |
c627d613 | 327 | |
7a6421fa AT |
328 | if (argc == 0 && recurse) { |
329 | argc=1; | |
330 | argv--; | |
331 | argv[0] = "."; | |
332 | } | |
333 | ||
7a6421fa | 334 | flist = send_file_list(f_out,argc,argv); |
8d9dc9f9 AT |
335 | if (!flist || flist->count == 0) { |
336 | exit_cleanup(0); | |
337 | } | |
338 | ||
7a6421fa | 339 | send_files(flist,f_out,f_in); |
3d382777 | 340 | io_flush(); |
7a6421fa | 341 | report(f_out); |
adc19c98 AT |
342 | if (remote_version >= 24) { |
343 | /* final goodbye message */ | |
344 | read_int(f_in); | |
345 | } | |
8d9dc9f9 | 346 | io_flush(); |
7a6421fa | 347 | exit_cleanup(0); |
c627d613 AT |
348 | } |
349 | ||
350 | ||
dc5ddbcc AT |
351 | static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name) |
352 | { | |
d186eb1a AT |
353 | int pid; |
354 | int status=0; | |
355 | int recv_pipe[2]; | |
554e0a8d | 356 | int error_pipe[2]; |
d186eb1a | 357 | extern int preserve_hard_links; |
6957ae33 AT |
358 | extern int delete_after; |
359 | extern int recurse; | |
360 | extern int delete_mode; | |
8ada7518 | 361 | extern int remote_version; |
dc5ddbcc | 362 | |
d186eb1a AT |
363 | if (preserve_hard_links) |
364 | init_hard_links(flist); | |
dc5ddbcc | 365 | |
6957ae33 AT |
366 | if (!delete_after) { |
367 | /* I moved this here from recv_files() to prevent a race condition */ | |
368 | if (recurse && delete_mode && !local_name && flist->count>0) { | |
369 | delete_files(flist); | |
370 | } | |
371 | } | |
372 | ||
08f15335 | 373 | if (fd_pair(recv_pipe) < 0) { |
d186eb1a | 374 | rprintf(FERROR,"pipe failed in do_recv\n"); |
65417579 | 375 | exit_cleanup(RERR_SOCKETIO); |
d186eb1a | 376 | } |
554e0a8d | 377 | |
08f15335 | 378 | if (fd_pair(error_pipe) < 0) { |
554e0a8d AT |
379 | rprintf(FERROR,"error pipe failed in do_recv\n"); |
380 | exit_cleanup(RERR_SOCKETIO); | |
381 | } | |
c6e7fcb4 | 382 | |
8d9dc9f9 | 383 | io_flush(); |
c6e7fcb4 | 384 | |
d186eb1a | 385 | if ((pid=do_fork()) == 0) { |
e08c9610 | 386 | close(recv_pipe[0]); |
554e0a8d | 387 | close(error_pipe[0]); |
e08c9610 AT |
388 | if (f_in != f_out) close(f_out); |
389 | ||
554e0a8d AT |
390 | /* we can't let two processes write to the socket at one time */ |
391 | io_multiplexing_close(); | |
392 | ||
393 | /* set place to send errors */ | |
394 | set_error_fd(error_pipe[1]); | |
395 | ||
e08c9610 | 396 | recv_files(f_in,flist,local_name,recv_pipe[1]); |
3d382777 | 397 | io_flush(); |
ba5e128d | 398 | report(f_in); |
e08c9610 | 399 | |
8b35435f AT |
400 | write_int(recv_pipe[1],1); |
401 | close(recv_pipe[1]); | |
8d9dc9f9 | 402 | io_flush(); |
4a748188 | 403 | /* finally we go to sleep until our parent kills us |
27e3e9c9 | 404 | with a USR2 signal. We sleep for a short time as on |
4a748188 | 405 | some OSes a signal won't interrupt a sleep! */ |
e1bd49d6 MP |
406 | while (msleep(20)) |
407 | ; | |
d186eb1a | 408 | } |
dc5ddbcc | 409 | |
e08c9610 | 410 | close(recv_pipe[1]); |
554e0a8d | 411 | close(error_pipe[1]); |
e08c9610 | 412 | if (f_in != f_out) close(f_in); |
e1b3d5c4 | 413 | |
b3e10ed7 AT |
414 | io_start_buffering(f_out); |
415 | ||
554e0a8d AT |
416 | io_set_error_fd(error_pipe[0]); |
417 | ||
e08c9610 | 418 | generate_files(f_out,flist,local_name,recv_pipe[0]); |
8d9dc9f9 | 419 | |
8b35435f AT |
420 | read_int(recv_pipe[0]); |
421 | close(recv_pipe[0]); | |
8ada7518 AT |
422 | if (remote_version >= 24) { |
423 | /* send a final goodbye message */ | |
424 | write_int(f_out, -1); | |
425 | } | |
8d9dc9f9 | 426 | io_flush(); |
8ada7518 | 427 | |
8b35435f | 428 | kill(pid, SIGUSR2); |
d79d1c69 | 429 | wait_process(pid, &status); |
d186eb1a | 430 | return status; |
dc5ddbcc AT |
431 | } |
432 | ||
c627d613 | 433 | |
9486289c | 434 | static void do_server_recv(int f_in, int f_out, int argc,char *argv[]) |
c627d613 | 435 | { |
7a6421fa AT |
436 | int status; |
437 | struct file_list *flist; | |
438 | char *local_name=NULL; | |
439 | char *dir = NULL; | |
440 | extern int delete_mode; | |
b33b791e | 441 | extern int delete_excluded; |
7a6421fa | 442 | extern int am_daemon; |
09b7f5db AT |
443 | extern int module_id; |
444 | extern int am_sender; | |
6902ed17 | 445 | extern int read_batch; /* dw */ |
6902ed17 | 446 | extern struct file_list *batch_flist; /* dw */ |
f0fca04e | 447 | |
7a6421fa AT |
448 | if (verbose > 2) |
449 | rprintf(FINFO,"server_recv(%d) starting pid=%d\n",argc,(int)getpid()); | |
09b7f5db AT |
450 | |
451 | if (am_daemon && lp_read_only(module_id) && !am_sender) { | |
452 | rprintf(FERROR,"ERROR: module is read only\n"); | |
453 | exit_cleanup(RERR_SYNTAX); | |
454 | return; | |
455 | } | |
456 | ||
7a6421fa | 457 | |
7a6421fa AT |
458 | if (argc > 0) { |
459 | dir = argv[0]; | |
460 | argc--; | |
461 | argv++; | |
5243c216 AT |
462 | if (!am_daemon && !push_dir(dir, 0)) { |
463 | rprintf(FERROR,"push_dir %s : %s (4)\n", | |
7a6421fa | 464 | dir,strerror(errno)); |
65417579 | 465 | exit_cleanup(RERR_FILESELECT); |
7a6421fa AT |
466 | } |
467 | } | |
c627d613 | 468 | |
b33b791e | 469 | if (delete_mode && !delete_excluded) |
7a6421fa | 470 | recv_exclude_list(f_in); |
c627d613 | 471 | |
6902ed17 MP |
472 | if (read_batch) /* dw */ |
473 | flist = batch_flist; | |
474 | else | |
475 | flist = recv_file_list(f_in); | |
4c36a13e AT |
476 | if (!flist) { |
477 | rprintf(FERROR,"server_recv: recv_file_list error\n"); | |
65417579 | 478 | exit_cleanup(RERR_FILESELECT); |
7a6421fa AT |
479 | } |
480 | ||
481 | if (argc > 0) { | |
482 | if (strcmp(dir,".")) { | |
483 | argv[0] += strlen(dir); | |
484 | if (argv[0][0] == '/') argv[0]++; | |
485 | } | |
486 | local_name = get_local_name(flist,argv[0]); | |
487 | } | |
c627d613 | 488 | |
7a6421fa AT |
489 | status = do_recv(f_in,f_out,flist,local_name); |
490 | exit_cleanup(status); | |
c627d613 AT |
491 | } |
492 | ||
493 | ||
9486289c | 494 | void start_server(int f_in, int f_out, int argc, char *argv[]) |
366345fe | 495 | { |
7a6421fa AT |
496 | extern int cvs_exclude; |
497 | extern int am_sender; | |
ff41a59f | 498 | extern int remote_version; |
6902ed17 | 499 | extern int read_batch; /* dw */ |
ff41a59f | 500 | |
6d7b6081 AT |
501 | setup_protocol(f_out, f_in); |
502 | ||
f0359dd0 AT |
503 | set_nonblocking(f_in); |
504 | set_nonblocking(f_out); | |
505 | ||
ff41a59f AT |
506 | if (remote_version >= 23) |
507 | io_start_multiplex_out(f_out); | |
7a6421fa | 508 | |
7a6421fa | 509 | if (am_sender) { |
6902ed17 MP |
510 | if (!read_batch) { /* dw */ |
511 | recv_exclude_list(f_in); | |
512 | if (cvs_exclude) | |
7a6421fa | 513 | add_cvs_excludes(); |
6902ed17 | 514 | } |
7a6421fa AT |
515 | do_server_sender(f_in, f_out, argc, argv); |
516 | } else { | |
517 | do_server_recv(f_in, f_out, argc, argv); | |
518 | } | |
519 | exit_cleanup(0); | |
366345fe AT |
520 | } |
521 | ||
0ba48136 MP |
522 | |
523 | /* | |
524 | * This is called once the connection has been negotiated. It is used | |
525 | * for rsyncd, remote-shell, and local connections. | |
526 | */ | |
19b27a48 | 527 | int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[]) |
9486289c AT |
528 | { |
529 | struct file_list *flist; | |
530 | int status = 0, status2 = 0; | |
531 | char *local_name = NULL; | |
7a6421fa | 532 | extern int am_sender; |
ff41a59f | 533 | extern int remote_version; |
19b27a48 | 534 | extern pid_t cleanup_child_pid; |
6902ed17 MP |
535 | extern int write_batch; /* dw */ |
536 | extern int read_batch; /* dw */ | |
537 | extern struct file_list *batch_flist; /* dw */ | |
19b27a48 AT |
538 | |
539 | cleanup_child_pid = pid; | |
6902ed17 MP |
540 | if (read_batch) |
541 | flist = batch_flist; /* dw */ | |
ff41a59f | 542 | |
f0359dd0 AT |
543 | set_nonblocking(f_in); |
544 | set_nonblocking(f_out); | |
545 | ||
6d7b6081 AT |
546 | setup_protocol(f_out,f_in); |
547 | ||
ff41a59f AT |
548 | if (remote_version >= 23) |
549 | io_start_multiplex_in(f_in); | |
9486289c AT |
550 | |
551 | if (am_sender) { | |
7a6421fa AT |
552 | extern int cvs_exclude; |
553 | extern int delete_mode; | |
b33b791e | 554 | extern int delete_excluded; |
9486289c AT |
555 | if (cvs_exclude) |
556 | add_cvs_excludes(); | |
b33b791e | 557 | if (delete_mode && !delete_excluded) |
9486289c | 558 | send_exclude_list(f_out); |
6902ed17 MP |
559 | if (!read_batch) /* dw -- don't write to pipe */ |
560 | flist = send_file_list(f_out,argc,argv); | |
9486289c AT |
561 | if (verbose > 3) |
562 | rprintf(FINFO,"file list sent\n"); | |
e1b3d5c4 | 563 | |
9486289c | 564 | send_files(flist,f_out,f_in); |
6c65e146 AT |
565 | if (remote_version >= 24) { |
566 | /* final goodbye message */ | |
567 | read_int(f_in); | |
568 | } | |
9486289c AT |
569 | if (pid != -1) { |
570 | if (verbose > 3) | |
08a740ff | 571 | rprintf(FINFO,"client_run waiting on %d\n", (int) pid); |
8d9dc9f9 | 572 | io_flush(); |
d79d1c69 | 573 | wait_process(pid, &status); |
9486289c | 574 | } |
3d382777 | 575 | report(-1); |
9486289c AT |
576 | exit_cleanup(status); |
577 | } | |
f7632fc6 | 578 | |
27e3e9c9 AT |
579 | if (argc == 0) { |
580 | extern int list_only; | |
581 | list_only = 1; | |
582 | } | |
9486289c | 583 | |
6902ed17 MP |
584 | if (!write_batch) /* dw */ |
585 | send_exclude_list(f_out); | |
9486289c AT |
586 | |
587 | flist = recv_file_list(f_in); | |
588 | if (!flist || flist->count == 0) { | |
796d484b MP |
589 | rprintf(FINFO, "client: nothing to do: " |
590 | "perhaps you need to specify some filenames or " | |
591 | "the --recursive option?\n"); | |
9486289c AT |
592 | exit_cleanup(0); |
593 | } | |
594 | ||
595 | local_name = get_local_name(flist,argv[0]); | |
596 | ||
597 | status2 = do_recv(f_in,f_out,flist,local_name); | |
598 | ||
9486289c | 599 | if (pid != -1) { |
8d9dc9f9 | 600 | if (verbose > 3) |
08a740ff | 601 | rprintf(FINFO,"client_run2 waiting on %d\n", (int) pid); |
8d9dc9f9 | 602 | io_flush(); |
d79d1c69 | 603 | wait_process(pid, &status); |
9486289c AT |
604 | } |
605 | ||
ff81e809 | 606 | return MAX(status, status2); |
9486289c AT |
607 | } |
608 | ||
ca6c93f8 AT |
609 | static char *find_colon(char *s) |
610 | { | |
611 | char *p, *p2; | |
612 | ||
613 | p = strchr(s,':'); | |
614 | if (!p) return NULL; | |
615 | ||
616 | /* now check to see if there is a / in the string before the : - if there is then | |
617 | discard the colon on the assumption that the : is part of a filename */ | |
618 | p2 = strchr(s,'/'); | |
619 | if (p2 && p2 < p) return NULL; | |
620 | ||
621 | return p; | |
622 | } | |
9486289c | 623 | |
0ba48136 | 624 | |
7169bb4a MP |
625 | static int copy_argv (char *argv[]) |
626 | { | |
627 | int i; | |
628 | ||
629 | for (i = 0; argv[i]; i++) { | |
630 | if (!(argv[i] = strdup(argv[i]))) { | |
631 | rprintf (FERROR, "out of memory at %s(%d)\n", | |
632 | __FILE__, __LINE__); | |
633 | return RERR_MALLOC; | |
634 | } | |
635 | } | |
636 | ||
637 | return 0; | |
638 | } | |
639 | ||
640 | ||
0ba48136 MP |
641 | /* |
642 | * Start a client for either type of remote connection. Work out | |
643 | * whether the arguments request a remote shell or rsyncd connection, | |
644 | * and call the appropriate connection function, then run_client. | |
645 | */ | |
fc8a6b97 | 646 | static int start_client(int argc, char *argv[]) |
5d6bcd44 AT |
647 | { |
648 | char *p; | |
649 | char *shell_machine = NULL; | |
650 | char *shell_path = NULL; | |
651 | char *shell_user = NULL; | |
19b27a48 AT |
652 | int ret; |
653 | pid_t pid; | |
5d6bcd44 | 654 | int f_in,f_out; |
7a6421fa AT |
655 | extern int local_server; |
656 | extern int am_sender; | |
657 | extern char *shell_cmd; | |
2acf81eb | 658 | extern int rsync_port; |
a1a440c2 | 659 | extern int whole_file; |
6902ed17 | 660 | extern int read_batch; |
7169bb4a MP |
661 | int rc; |
662 | ||
663 | /* Don't clobber argv[] so that ps(1) can still show the right | |
664 | command line. */ | |
665 | if ((rc = copy_argv (argv))) | |
666 | return rc; | |
5d6bcd44 | 667 | |
7169bb4a | 668 | if (strncasecmp(URL_PREFIX, argv[0], strlen(URL_PREFIX)) == 0) { |
f7632fc6 AT |
669 | char *host, *path; |
670 | ||
7169bb4a | 671 | host = argv[0] + strlen(URL_PREFIX); |
f7632fc6 AT |
672 | p = strchr(host,'/'); |
673 | if (p) { | |
674 | *p = 0; | |
675 | path = p+1; | |
676 | } else { | |
677 | path=""; | |
678 | } | |
2acf81eb DD |
679 | p = strchr(host,':'); |
680 | if (p) { | |
681 | rsync_port = atoi(p+1); | |
682 | *p = 0; | |
683 | } | |
f7632fc6 AT |
684 | return start_socket_client(host, path, argc-1, argv+1); |
685 | } | |
686 | ||
6902ed17 MP |
687 | if (!read_batch) { /* dw */ |
688 | p = find_colon(argv[0]); | |
5d6bcd44 AT |
689 | |
690 | if (p) { | |
9486289c AT |
691 | if (p[1] == ':') { |
692 | *p = 0; | |
7169bb4a | 693 | return start_socket_client(argv[0], p+2, argc-1, argv+1); |
9486289c | 694 | } |
3591c066 | 695 | |
f7632fc6 | 696 | if (argc < 1) { |
3591c066 | 697 | usage(FERROR); |
65417579 | 698 | exit_cleanup(RERR_SYNTAX); |
3591c066 AT |
699 | } |
700 | ||
5d6bcd44 AT |
701 | am_sender = 0; |
702 | *p = 0; | |
7169bb4a | 703 | shell_machine = argv[0]; |
5d6bcd44 AT |
704 | shell_path = p+1; |
705 | argc--; | |
706 | argv++; | |
707 | } else { | |
708 | am_sender = 1; | |
9486289c | 709 | |
ca6c93f8 | 710 | p = find_colon(argv[argc-1]); |
5d6bcd44 AT |
711 | if (!p) { |
712 | local_server = 1; | |
a1a440c2 DD |
713 | /* disable "rsync algorithm" when both sides local */ |
714 | whole_file = 1; | |
9486289c AT |
715 | } else if (p[1] == ':') { |
716 | *p = 0; | |
717 | return start_socket_client(argv[argc-1], p+2, argc-1, argv); | |
5d6bcd44 | 718 | } |
3591c066 AT |
719 | |
720 | if (argc < 2) { | |
721 | usage(FERROR); | |
65417579 | 722 | exit_cleanup(RERR_SYNTAX); |
3591c066 | 723 | } |
9486289c | 724 | |
5d6bcd44 AT |
725 | if (local_server) { |
726 | shell_machine = NULL; | |
727 | shell_path = argv[argc-1]; | |
728 | } else { | |
729 | *p = 0; | |
730 | shell_machine = argv[argc-1]; | |
731 | shell_path = p+1; | |
732 | } | |
733 | argc--; | |
734 | } | |
6902ed17 MP |
735 | } else { |
736 | am_sender = 1; /* dw */ | |
737 | local_server = 1; /* dw */ | |
738 | shell_path = argv[argc-1]; /* dw */ | |
739 | } | |
740 | ||
5d6bcd44 AT |
741 | if (shell_machine) { |
742 | p = strchr(shell_machine,'@'); | |
743 | if (p) { | |
744 | *p = 0; | |
745 | shell_user = shell_machine; | |
746 | shell_machine = p+1; | |
747 | } | |
748 | } | |
749 | ||
750 | if (verbose > 3) { | |
9486289c | 751 | rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n", |
5d6bcd44 AT |
752 | shell_cmd?shell_cmd:"", |
753 | shell_machine?shell_machine:"", | |
754 | shell_user?shell_user:"", | |
755 | shell_path?shell_path:""); | |
756 | } | |
757 | ||
f7632fc6 | 758 | if (!am_sender && argc > 1) { |
5d6bcd44 | 759 | usage(FERROR); |
65417579 | 760 | exit_cleanup(RERR_SYNTAX); |
5d6bcd44 | 761 | } |
27e3e9c9 AT |
762 | |
763 | if (argc == 0 && !am_sender) { | |
764 | extern int list_only; | |
765 | list_only = 1; | |
766 | } | |
5d6bcd44 AT |
767 | |
768 | pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,&f_in,&f_out); | |
769 | ||
fc8a6b97 AT |
770 | ret = client_run(f_in, f_out, pid, argc, argv); |
771 | ||
772 | fflush(stdout); | |
773 | fflush(stderr); | |
774 | ||
775 | return ret; | |
5d6bcd44 AT |
776 | } |
777 | ||
366345fe | 778 | |
6e4fb64e | 779 | static RETSIGTYPE sigusr1_handler(int val) { |
65417579 | 780 | exit_cleanup(RERR_SIGNAL); |
82306bf6 AT |
781 | } |
782 | ||
8b35435f | 783 | static RETSIGTYPE sigusr2_handler(int val) { |
ff81e809 | 784 | extern int log_got_error; |
19b27a48 | 785 | if (log_got_error) _exit(RERR_PARTIAL); |
8b35435f AT |
786 | _exit(0); |
787 | } | |
788 | ||
19b27a48 | 789 | static RETSIGTYPE sigchld_handler(int val) { |
029c1713 AT |
790 | #ifdef WNOHANG |
791 | while (waitpid(-1, NULL, WNOHANG) > 0) ; | |
792 | #endif | |
19b27a48 AT |
793 | } |
794 | ||
5d6bcd44 | 795 | int main(int argc,char *argv[]) |
7a6421fa AT |
796 | { |
797 | extern int am_root; | |
798 | extern int orig_umask; | |
799 | extern int dry_run; | |
800 | extern int am_daemon; | |
801 | extern int am_server; | |
ff81e809 | 802 | int ret; |
6902ed17 MP |
803 | extern int read_batch; /* dw */ |
804 | extern int write_batch; /* dw */ | |
805 | extern char *batch_ext; /* dw */ | |
6902ed17 | 806 | int orig_argc; /* dw */ |
76f79ba7 | 807 | char **orig_argv; |
6902ed17 MP |
808 | |
809 | orig_argc = argc; /* dw */ | |
76f79ba7 | 810 | orig_argv = argv; |
5d6bcd44 | 811 | |
7a6421fa | 812 | signal(SIGUSR1, sigusr1_handler); |
8b35435f | 813 | signal(SIGUSR2, sigusr2_handler); |
19b27a48 | 814 | signal(SIGCHLD, sigchld_handler); |
5d6bcd44 | 815 | |
7a6421fa AT |
816 | starttime = time(NULL); |
817 | am_root = (getuid() == 0); | |
c627d613 | 818 | |
a800434a AT |
819 | memset(&stats, 0, sizeof(stats)); |
820 | ||
df5e03da AT |
821 | if (argc < 2) { |
822 | usage(FERROR); | |
65417579 | 823 | exit_cleanup(RERR_SYNTAX); |
df5e03da AT |
824 | } |
825 | ||
7a6421fa AT |
826 | /* we set a 0 umask so that correct file permissions can be |
827 | carried across */ | |
828 | orig_umask = (int)umask(0); | |
5d6bcd44 | 829 | |
50135767 | 830 | if (!parse_arguments(&argc, (const char ***) &argv, 1)) { |
305ab133 MP |
831 | /* FIXME: We ought to call the same error-handling |
832 | * code here, rather than relying on getopt. */ | |
50135767 | 833 | option_error(); |
65417579 | 834 | exit_cleanup(RERR_SYNTAX); |
b11ed3b1 | 835 | } |
5d6bcd44 | 836 | |
7a6421fa AT |
837 | signal(SIGINT,SIGNAL_CAST sig_int); |
838 | signal(SIGPIPE,SIGNAL_CAST sig_int); | |
839 | signal(SIGHUP,SIGNAL_CAST sig_int); | |
8638dd48 | 840 | signal(SIGTERM,SIGNAL_CAST sig_int); |
6b83141d | 841 | |
c226b7c2 DD |
842 | /* Initialize push_dir here because on some old systems getcwd |
843 | (implemented by forking "pwd" and reading its output) doesn't | |
844 | work when there are other child processes. Also, on all systems | |
845 | that implement getcwd that way "pwd" can't be found after chroot. */ | |
846 | push_dir(NULL,0); | |
847 | ||
6902ed17 MP |
848 | if (write_batch) { /* dw */ |
849 | create_batch_file_ext(); | |
76f79ba7 | 850 | write_batch_argvs_file(orig_argc, orig_argv); |
6902ed17 MP |
851 | } |
852 | ||
853 | if (read_batch) { /* dw */ | |
854 | set_batch_file_ext(batch_ext); | |
855 | } | |
856 | ||
7a6421fa AT |
857 | if (am_daemon) { |
858 | return daemon_main(); | |
859 | } | |
f0fca04e | 860 | |
08ac228f AT |
861 | if (argc < 1) { |
862 | usage(FERROR); | |
65417579 | 863 | exit_cleanup(RERR_SYNTAX); |
08ac228f AT |
864 | } |
865 | ||
7a6421fa AT |
866 | if (dry_run) |
867 | verbose = MAX(verbose,1); | |
c627d613 | 868 | |
cbbe4892 | 869 | #ifndef SUPPORT_LINKS |
7a6421fa AT |
870 | if (!am_server && preserve_links) { |
871 | rprintf(FERROR,"ERROR: symbolic links not supported\n"); | |
65417579 | 872 | exit_cleanup(RERR_UNSUPPORTED); |
7a6421fa | 873 | } |
cbbe4892 AT |
874 | #endif |
875 | ||
7a6421fa | 876 | if (am_server) { |
f0359dd0 AT |
877 | set_nonblocking(STDIN_FILENO); |
878 | set_nonblocking(STDOUT_FILENO); | |
7a6421fa AT |
879 | start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); |
880 | } | |
c627d613 | 881 | |
ff81e809 AT |
882 | ret = start_client(argc, argv); |
883 | exit_cleanup(ret); | |
884 | return ret; | |
c627d613 | 885 | } |
82306bf6 | 886 |