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