Commit | Line | Data |
---|---|---|
a039749b MP |
1 | /* -*- c-file-style: "linux"; -*- |
2 | ||
15b7b73d MP |
3 | Copyright (C) 1998-2001 by Andrew Tridgell <tridge@samba.org> |
4 | Copyright (C) 2001 by Martin Pool <mbp@samba.org> | |
3591c066 AT |
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 | ||
bc363ea9 | 21 | /* the socket based protocol for setting up a connection with rsyncd */ |
3591c066 AT |
22 | |
23 | #include "rsync.h" | |
24 | ||
25 | extern int module_id; | |
26 | extern int read_only; | |
27 | extern int verbose; | |
28 | extern int rsync_port; | |
97cb8dc2 | 29 | char *auth_user; |
cb13abfe | 30 | int sanitize_paths = 0; |
3591c066 | 31 | |
bc363ea9 MP |
32 | /* |
33 | * Run a client connected to an rsyncd. The alternative to this | |
34 | * function for remote-shell connections is do_cmd. | |
35 | */ | |
3591c066 AT |
36 | int start_socket_client(char *host, char *path, int argc, char *argv[]) |
37 | { | |
38 | int fd, i; | |
39 | char *sargs[MAX_ARGS]; | |
40 | int sargc=0; | |
e42c9458 | 41 | char line[MAXPATHLEN]; |
bcb7e502 | 42 | char *p, *user=NULL; |
13c5fc0e | 43 | extern int remote_version; |
8d9dc9f9 | 44 | extern int am_sender; |
bc363ea9 | 45 | extern char *shell_cmd; |
7a55d06e | 46 | extern int kludge_around_eof; |
06963d0f | 47 | extern char *bind_address; |
13e29995 | 48 | extern int default_af_hint; |
06963d0f | 49 | |
27e3e9c9 AT |
50 | if (argc == 0 && !am_sender) { |
51 | extern int list_only; | |
52 | list_only = 1; | |
53 | } | |
54 | ||
bc363ea9 MP |
55 | /* This is just a friendliness enhancement: if the connection |
56 | * is to an rsyncd then there is no point specifying the -e option. | |
57 | * Note that this is only set if the -e was explicitly specified, | |
58 | * not if the environment variable just happens to be set. | |
59 | * See http://lists.samba.org/pipermail/rsync/2000-September/002744.html | |
60 | */ | |
61 | if (shell_cmd) { | |
62 | rprintf(FERROR, "WARNING: --rsh or -e option ignored when " | |
63 | "connecting to rsync daemon\n"); | |
64 | /* continue */ | |
65 | } | |
66 | ||
f98df1d9 | 67 | if (*path == '/') { |
ff81e809 | 68 | rprintf(FERROR,"ERROR: The remote path must start with a module name not a /\n"); |
f98df1d9 AT |
69 | return -1; |
70 | } | |
71 | ||
bcb7e502 AT |
72 | p = strchr(host, '@'); |
73 | if (p) { | |
74 | user = host; | |
75 | host = p+1; | |
76 | *p = 0; | |
77 | } | |
78 | ||
79 | if (!user) user = getenv("USER"); | |
80 | if (!user) user = getenv("LOGNAME"); | |
81 | ||
1bbd10fe DD |
82 | if (verbose >= 2) { |
83 | } | |
d5d4b282 | 84 | fd = open_socket_out_wrapped (host, rsync_port, bind_address, |
13e29995 | 85 | default_af_hint); |
3591c066 | 86 | if (fd == -1) { |
65417579 | 87 | exit_cleanup(RERR_SOCKETIO); |
3591c066 AT |
88 | } |
89 | ||
90 | server_options(sargs,&sargc); | |
91 | ||
92 | sargs[sargc++] = "."; | |
93 | ||
94 | if (path && *path) | |
95 | sargs[sargc++] = path; | |
96 | ||
97 | sargs[sargc] = NULL; | |
98 | ||
91eee594 AT |
99 | io_printf(fd,"@RSYNCD: %d\n", PROTOCOL_VERSION); |
100 | ||
3591c066 AT |
101 | if (!read_line(fd, line, sizeof(line)-1)) { |
102 | return -1; | |
103 | } | |
104 | ||
13c5fc0e | 105 | if (sscanf(line,"@RSYNCD: %d", &remote_version) != 1) { |
3591c066 AT |
106 | return -1; |
107 | } | |
108 | ||
2c91d3d3 AT |
109 | p = strchr(path,'/'); |
110 | if (p) *p = 0; | |
111 | io_printf(fd,"%s\n",path); | |
112 | if (p) *p = '/'; | |
113 | ||
063393d6 MP |
114 | /* Old servers may just drop the connection here, |
115 | rather than sending a proper EXIT command. Yuck. */ | |
116 | kludge_around_eof = remote_version < 25; | |
7a55d06e | 117 | |
063393d6 | 118 | while (1) { |
3591c066 AT |
119 | if (!read_line(fd, line, sizeof(line)-1)) { |
120 | return -1; | |
121 | } | |
31593dd6 | 122 | |
31593dd6 | 123 | if (strncmp(line,"@RSYNCD: AUTHREQD ",18) == 0) { |
bcb7e502 | 124 | auth_client(fd, user, line+18); |
31593dd6 AT |
125 | continue; |
126 | } | |
31593dd6 | 127 | |
3591c066 | 128 | if (strcmp(line,"@RSYNCD: OK") == 0) break; |
8f04bb36 AT |
129 | |
130 | if (strcmp(line,"@RSYNCD: EXIT") == 0) exit(0); | |
131 | ||
c613d370 DD |
132 | if (strncmp(line, "@ERROR", 6) == 0) |
133 | rprintf(FERROR,"%s\n", line); | |
134 | else | |
135 | rprintf(FINFO,"%s\n", line); | |
3591c066 | 136 | } |
7a55d06e | 137 | kludge_around_eof = False; |
3591c066 AT |
138 | |
139 | for (i=0;i<sargc;i++) { | |
140 | io_printf(fd,"%s\n", sargs[i]); | |
141 | } | |
142 | io_printf(fd,"\n"); | |
143 | ||
09b7f5db AT |
144 | if (remote_version < 23) { |
145 | if (remote_version == 22 || (remote_version > 17 && !am_sender)) | |
146 | io_start_multiplex_in(fd); | |
147 | } | |
8d9dc9f9 | 148 | |
3591c066 AT |
149 | return client_run(fd, fd, -1, argc, argv); |
150 | } | |
151 | ||
152 | ||
153 | ||
154 | static int rsync_module(int fd, int i) | |
155 | { | |
156 | int argc=0; | |
157 | char *argv[MAX_ARGS]; | |
158 | char **argp; | |
e42c9458 | 159 | char line[MAXPATHLEN]; |
2af27ad9 | 160 | uid_t uid = (uid_t)-2; /* canonically "nobody" */ |
1a016bfd | 161 | gid_t gid = (gid_t)-2; |
8ef4ffd6 | 162 | char *p; |
56c473b7 AT |
163 | char *addr = client_addr(fd); |
164 | char *host = client_name(fd); | |
874895d5 | 165 | char *name = lp_name(i); |
8638dd48 | 166 | int use_chroot = lp_use_chroot(i); |
874895d5 | 167 | int start_glob=0; |
41979ff8 | 168 | int ret; |
7b372642 AT |
169 | char *request=NULL; |
170 | extern int am_sender; | |
8d9dc9f9 | 171 | extern int remote_version; |
943882a2 | 172 | extern int am_root; |
56c473b7 AT |
173 | |
174 | if (!allow_access(addr, host, lp_hosts_allow(i), lp_hosts_deny(i))) { | |
175 | rprintf(FERROR,"rsync denied on module %s from %s (%s)\n", | |
31ec50d7 | 176 | name, host, addr); |
c8e78d87 | 177 | io_printf(fd,"@ERROR: access denied to %s from %s (%s)\n", |
31ec50d7 | 178 | name, host, addr); |
56c473b7 AT |
179 | return -1; |
180 | } | |
3591c066 | 181 | |
5e71c444 | 182 | if (!claim_connection(lp_lock_file(i), lp_max_connections(i))) { |
8d72ef6e AT |
183 | if (errno) { |
184 | rprintf(FERROR,"failed to open lock file %s : %s\n", | |
5e71c444 | 185 | lp_lock_file(i), strerror(errno)); |
8d72ef6e | 186 | io_printf(fd,"@ERROR: failed to open lock file %s : %s\n", |
5e71c444 | 187 | lp_lock_file(i), strerror(errno)); |
8d72ef6e AT |
188 | } else { |
189 | rprintf(FERROR,"max connections (%d) reached\n", | |
5e71c444 AT |
190 | lp_max_connections(i)); |
191 | io_printf(fd,"@ERROR: max connections (%d) reached - try again later\n", lp_max_connections(i)); | |
8d72ef6e | 192 | } |
0c515f17 AT |
193 | return -1; |
194 | } | |
195 | ||
31593dd6 | 196 | |
97cb8dc2 | 197 | auth_user = auth_server(fd, i, addr, "@RSYNCD: AUTHREQD "); |
d0d56395 | 198 | |
97cb8dc2 | 199 | if (!auth_user) { |
d0d56395 AT |
200 | rprintf(FERROR,"auth failed on module %s from %s (%s)\n", |
201 | name, client_name(fd), client_addr(fd)); | |
202 | io_printf(fd,"@ERROR: auth failed on module %s\n",name); | |
203 | return -1; | |
204 | } | |
205 | ||
3591c066 AT |
206 | module_id = i; |
207 | ||
716baed7 | 208 | am_root = (getuid() == 0); |
8ef4ffd6 | 209 | |
716baed7 DD |
210 | if (am_root) { |
211 | p = lp_uid(i); | |
212 | if (!name_to_uid(p, &uid)) { | |
213 | if (!isdigit(*p)) { | |
214 | rprintf(FERROR,"Invalid uid %s\n", p); | |
fd2dd2aa | 215 | io_printf(fd,"@ERROR: invalid uid %s\n", p); |
716baed7 DD |
216 | return -1; |
217 | } | |
218 | uid = atoi(p); | |
219 | } | |
220 | ||
221 | p = lp_gid(i); | |
222 | if (!name_to_gid(p, &gid)) { | |
223 | if (!isdigit(*p)) { | |
224 | rprintf(FERROR,"Invalid gid %s\n", p); | |
fd2dd2aa | 225 | io_printf(fd,"@ERROR: invalid gid %s\n", p); |
716baed7 DD |
226 | return -1; |
227 | } | |
228 | gid = atoi(p); | |
229 | } | |
8ef4ffd6 | 230 | } |
3b2b5345 MP |
231 | |
232 | /* TODO: If we're not root, but the configuration requests | |
233 | * that we change to some uid other than the current one, then | |
234 | * log a warning. */ | |
235 | ||
236 | /* TODO: Perhaps take a list of gids, and make them into the | |
237 | * supplementary groups. */ | |
8ef4ffd6 | 238 | |
cd64343a DD |
239 | p = lp_include_from(i); |
240 | add_exclude_file(p, 1, 1); | |
241 | ||
242 | p = lp_include(i); | |
243 | add_include_line(p); | |
244 | ||
8f3a2d54 | 245 | p = lp_exclude_from(i); |
2b6b4d53 | 246 | add_exclude_file(p, 1, 0); |
8f3a2d54 | 247 | |
5805327b | 248 | p = lp_exclude(i); |
8f3a2d54 AT |
249 | add_exclude_line(p); |
250 | ||
45a83540 | 251 | log_init(); |
1a016bfd | 252 | |
8638dd48 | 253 | if (use_chroot) { |
b52c1d9d MP |
254 | /* |
255 | * XXX: The 'use chroot' flag is a fairly reliable | |
256 | * source of confusion, because it fails under two | |
257 | * important circumstances: running as non-root, | |
258 | * running on Win32 (or possibly others). On the | |
259 | * other hand, if you are running as root, then it | |
260 | * might be better to always use chroot. | |
261 | * | |
262 | * So, perhaps if we can't chroot we should just issue | |
263 | * a warning, unless a "require chroot" flag is set, | |
264 | * in which case we fail. | |
265 | */ | |
8638dd48 | 266 | if (chroot(lp_path(i))) { |
a039749b | 267 | rsyserr(FERROR, errno, "chroot %s failed", lp_path(i)); |
8638dd48 DD |
268 | io_printf(fd,"@ERROR: chroot failed\n"); |
269 | return -1; | |
270 | } | |
3591c066 | 271 | |
c226b7c2 | 272 | if (!push_dir("/", 0)) { |
a039749b | 273 | rsyserr(FERROR, errno, "chdir %s failed\n", lp_path(i)); |
8638dd48 DD |
274 | io_printf(fd,"@ERROR: chdir failed\n"); |
275 | return -1; | |
276 | } | |
3591c066 | 277 | |
716baed7 DD |
278 | } else { |
279 | if (!push_dir(lp_path(i), 0)) { | |
a039749b | 280 | rsyserr(FERROR, errno, "chdir %s failed\n", lp_path(i)); |
716baed7 DD |
281 | io_printf(fd,"@ERROR: chdir failed\n"); |
282 | return -1; | |
283 | } | |
cb13abfe | 284 | sanitize_paths = 1; |
716baed7 DD |
285 | } |
286 | ||
287 | if (am_root) { | |
715d1f45 MP |
288 | /* Get rid of any supplementary groups this process |
289 | * might have inheristed. */ | |
290 | if (setgroups(0, NULL)) { | |
291 | rsyserr(FERROR, errno, "setgroups failed"); | |
292 | io_printf(fd, "@ERROR: setgroups failed\n"); | |
293 | return -1; | |
294 | } | |
715d1f45 MP |
295 | |
296 | /* XXXX: You could argue that if the daemon is started | |
297 | * by a non-root user and they explicitly specify a | |
298 | * gid, then we should try to change to that gid -- | |
299 | * this could be possible if it's already in their | |
300 | * supplementary groups. */ | |
301 | ||
302 | /* TODO: Perhaps we need to document that if rsyncd is | |
303 | * started by somebody other than root it will inherit | |
304 | * all their supplementary groups. */ | |
305 | ||
716baed7 | 306 | if (setgid(gid)) { |
08a740ff | 307 | rsyserr(FERROR, errno, "setgid %d failed", (int) gid); |
8638dd48 DD |
308 | io_printf(fd,"@ERROR: setgid failed\n"); |
309 | return -1; | |
310 | } | |
3591c066 | 311 | |
716baed7 | 312 | if (setuid(uid)) { |
08a740ff | 313 | rsyserr(FERROR, errno, "setuid %d failed", (int) uid); |
8638dd48 DD |
314 | io_printf(fd,"@ERROR: setuid failed\n"); |
315 | return -1; | |
316 | } | |
317 | ||
716baed7 | 318 | am_root = (getuid() == 0); |
3591c066 AT |
319 | } |
320 | ||
321 | io_printf(fd,"@RSYNCD: OK\n"); | |
322 | ||
323 | argv[argc++] = "rsyncd"; | |
324 | ||
325 | while (1) { | |
326 | if (!read_line(fd, line, sizeof(line)-1)) { | |
327 | return -1; | |
328 | } | |
329 | ||
330 | if (!*line) break; | |
331 | ||
874895d5 AT |
332 | p = line; |
333 | ||
874895d5 | 334 | argv[argc] = strdup(p); |
3591c066 AT |
335 | if (!argv[argc]) { |
336 | return -1; | |
337 | } | |
338 | ||
874895d5 | 339 | if (start_glob) { |
1a016bfd | 340 | if (start_glob == 1) { |
7b372642 | 341 | request = strdup(p); |
1a016bfd AT |
342 | start_glob++; |
343 | } | |
cb13abfe | 344 | glob_expand(name, argv, &argc, MAX_ARGS); |
874895d5 AT |
345 | } else { |
346 | argc++; | |
347 | } | |
348 | ||
349 | if (strcmp(line,".") == 0) { | |
350 | start_glob = 1; | |
351 | } | |
352 | ||
3591c066 AT |
353 | if (argc == MAX_ARGS) { |
354 | return -1; | |
355 | } | |
356 | } | |
357 | ||
cb13abfe | 358 | if (sanitize_paths) { |
8638dd48 DD |
359 | /* |
360 | * Note that this is applied to all parameters, whether or not | |
361 | * they are filenames, but no other legal parameters contain | |
362 | * the forms that need to be sanitized so it doesn't hurt; | |
363 | * it is not known at this point which parameters are files | |
364 | * and which aren't. | |
365 | */ | |
366 | for (i = 1; i < argc; i++) { | |
cb13abfe | 367 | sanitize_path(argv[i], NULL); |
8638dd48 DD |
368 | } |
369 | } | |
370 | ||
15b7b73d MP |
371 | argp = argv; |
372 | ret = parse_arguments(&argc, (const char ***) &argp, 0); | |
3591c066 | 373 | |
7b372642 | 374 | if (request) { |
97cb8dc2 | 375 | if (*auth_user) { |
d0d56395 AT |
376 | rprintf(FINFO,"rsync %s %s from %s@%s (%s)\n", |
377 | am_sender?"on":"to", | |
97cb8dc2 | 378 | request, auth_user, host, addr); |
d0d56395 AT |
379 | } else { |
380 | rprintf(FINFO,"rsync %s %s from %s (%s)\n", | |
381 | am_sender?"on":"to", | |
382 | request, host, addr); | |
383 | } | |
7b372642 AT |
384 | free(request); |
385 | } | |
386 | ||
15b7b73d | 387 | #ifndef DEBUG |
3591c066 AT |
388 | /* don't allow the logs to be flooded too fast */ |
389 | if (verbose > 1) verbose = 1; | |
0199b05f | 390 | #endif |
3591c066 | 391 | |
09b7f5db AT |
392 | if (remote_version < 23) { |
393 | if (remote_version == 22 || (remote_version > 17 && am_sender)) | |
394 | io_start_multiplex_out(fd); | |
554e0a8d | 395 | } |
15b7b73d MP |
396 | |
397 | /* For later protocol versions, we don't start multiplexing | |
398 | * until we've configured nonblocking in start_server. That | |
399 | * means we're in a sticky situation now: there's no way to | |
400 | * convey errors to the client. */ | |
401 | ||
402 | /* FIXME: Hold off on reporting option processing errors until | |
403 | * we've set up nonblocking and multiplexed IO and can get the | |
404 | * message back to them. */ | |
41979ff8 | 405 | if (!ret) { |
15b7b73d MP |
406 | option_error(); |
407 | exit_cleanup(RERR_UNSUPPORTED); | |
41979ff8 AT |
408 | } |
409 | ||
81791cfc AT |
410 | if (lp_timeout(i)) { |
411 | extern int io_timeout; | |
412 | io_timeout = lp_timeout(i); | |
413 | } | |
414 | ||
3591c066 AT |
415 | start_server(fd, fd, argc, argp); |
416 | ||
417 | return 0; | |
418 | } | |
419 | ||
7a6421fa AT |
420 | /* send a list of available modules to the client. Don't list those |
421 | with "list = False". */ | |
3591c066 AT |
422 | static void send_listing(int fd) |
423 | { | |
424 | int n = lp_numservices(); | |
425 | int i; | |
063393d6 MP |
426 | extern int remote_version; |
427 | ||
3591c066 AT |
428 | for (i=0;i<n;i++) |
429 | if (lp_list(i)) | |
430 | io_printf(fd, "%-15s\t%s\n", lp_name(i), lp_comment(i)); | |
8f04bb36 | 431 | |
063393d6 MP |
432 | if (remote_version >= 25) |
433 | io_printf(fd,"@RSYNCD: EXIT\n"); | |
3591c066 AT |
434 | } |
435 | ||
436 | /* this is called when a socket connection is established to a client | |
437 | and we want to start talking. The setup of the system is done from | |
438 | here */ | |
439 | static int start_daemon(int fd) | |
440 | { | |
7a6421fa | 441 | char line[200]; |
3591c066 | 442 | char *motd; |
8ef4ffd6 | 443 | int i = -1; |
4cdf25e4 | 444 | extern char *config_file; |
13c5fc0e | 445 | extern int remote_version; |
4cdf25e4 | 446 | |
f9e940ef | 447 | if (!lp_load(config_file, 0)) { |
65417579 | 448 | exit_cleanup(RERR_SYNTAX); |
4cdf25e4 | 449 | } |
3591c066 AT |
450 | |
451 | set_socket_options(fd,"SO_KEEPALIVE"); | |
a6801c39 | 452 | set_socket_options(fd,lp_socket_options()); |
f0359dd0 | 453 | set_nonblocking(fd); |
3591c066 AT |
454 | |
455 | io_printf(fd,"@RSYNCD: %d\n", PROTOCOL_VERSION); | |
456 | ||
457 | motd = lp_motd_file(); | |
27d3cdbc | 458 | if (motd && *motd) { |
3591c066 AT |
459 | FILE *f = fopen(motd,"r"); |
460 | while (f && !feof(f)) { | |
461 | int len = fread(line, 1, sizeof(line)-1, f); | |
462 | if (len > 0) { | |
463 | line[len] = 0; | |
464 | io_printf(fd,"%s", line); | |
465 | } | |
466 | } | |
467 | if (f) fclose(f); | |
468 | io_printf(fd,"\n"); | |
469 | } | |
470 | ||
91eee594 AT |
471 | if (!read_line(fd, line, sizeof(line)-1)) { |
472 | return -1; | |
473 | } | |
474 | ||
475 | if (sscanf(line,"@RSYNCD: %d", &remote_version) != 1) { | |
c8e78d87 | 476 | io_printf(fd,"@ERROR: protocol startup error\n"); |
91eee594 AT |
477 | return -1; |
478 | } | |
479 | ||
8ef4ffd6 | 480 | while (i == -1) { |
3591c066 AT |
481 | line[0] = 0; |
482 | if (!read_line(fd, line, sizeof(line)-1)) { | |
483 | return -1; | |
484 | } | |
485 | ||
486 | if (!*line || strcmp(line,"#list")==0) { | |
487 | send_listing(fd); | |
488 | return -1; | |
489 | } | |
490 | ||
491 | if (*line == '#') { | |
492 | /* it's some sort of command that I don't understand */ | |
c8e78d87 | 493 | io_printf(fd,"@ERROR: Unknown command '%s'\n", line); |
3591c066 AT |
494 | return -1; |
495 | } | |
496 | ||
497 | i = lp_number(line); | |
498 | if (i == -1) { | |
c8e78d87 | 499 | io_printf(fd,"@ERROR: Unknown module '%s'\n", line); |
3591c066 AT |
500 | return -1; |
501 | } | |
3591c066 AT |
502 | } |
503 | ||
8ef4ffd6 | 504 | return rsync_module(fd, i); |
3591c066 AT |
505 | } |
506 | ||
507 | ||
508 | int daemon_main(void) | |
509 | { | |
f9e940ef | 510 | extern char *config_file; |
ad517ce5 | 511 | extern int orig_umask; |
8638dd48 | 512 | char *pid_file; |
13e29995 | 513 | extern int no_detach; |
1a016bfd | 514 | |
3591c066 | 515 | if (is_a_socket(STDIN_FILENO)) { |
41979ff8 AT |
516 | int i; |
517 | ||
518 | /* we are running via inetd - close off stdout and | |
519 | stderr so that library functions (and getopt) don't | |
520 | try to use them. Redirect them to /dev/null */ | |
521 | for (i=1;i<3;i++) { | |
522 | close(i); | |
523 | open("/dev/null", O_RDWR); | |
524 | } | |
3eb38818 | 525 | |
3591c066 AT |
526 | return start_daemon(STDIN_FILENO); |
527 | } | |
528 | ||
13e29995 | 529 | if (!no_detach) |
a538066d | 530 | become_daemon(); |
3591c066 | 531 | |
f9e940ef | 532 | if (!lp_load(config_file, 1)) { |
65417579 | 533 | exit_cleanup(RERR_SYNTAX); |
f9e940ef AT |
534 | } |
535 | ||
45a83540 | 536 | log_init(); |
f9e940ef | 537 | |
a358449a MP |
538 | rprintf(FINFO, "rsyncd version %s starting, listening on port %d\n", |
539 | RSYNC_VERSION, | |
15b7b73d MP |
540 | rsync_port); |
541 | /* TODO: If listening on a particular address, then show that | |
431efc89 MP |
542 | * address too. In fact, why not just do inet_ntop on the |
543 | * local address??? */ | |
e42c9458 | 544 | |
8638dd48 | 545 | if (((pid_file = lp_pid_file()) != NULL) && (*pid_file != '\0')) { |
ad517ce5 DD |
546 | char pidbuf[16]; |
547 | int fd; | |
8638dd48 DD |
548 | int pid = (int) getpid(); |
549 | cleanup_set_pid(pid); | |
ad517ce5 DD |
550 | if ((fd = do_open(lp_pid_file(), O_WRONLY|O_CREAT|O_TRUNC, |
551 | 0666 & ~orig_umask)) == -1) { | |
8638dd48 | 552 | cleanup_set_pid(0); |
a039749b | 553 | rsyserr(FLOG, errno, "failed to create pid file %s", pid_file); |
65417579 | 554 | exit_cleanup(RERR_FILEIO); |
8638dd48 | 555 | } |
8950ac03 | 556 | snprintf(pidbuf, sizeof(pidbuf), "%d\n", pid); |
ad517ce5 DD |
557 | write(fd, pidbuf, strlen(pidbuf)); |
558 | close(fd); | |
8638dd48 DD |
559 | } |
560 | ||
8ef4ffd6 AT |
561 | start_accept_loop(rsync_port, start_daemon); |
562 | return -1; | |
3591c066 AT |
563 | } |
564 |