Commit | Line | Data |
---|---|---|
a039749b MP |
1 | /* -*- c-file-style: "linux"; -*- |
2 | ||
15b7b73d | 3 | Copyright (C) 1998-2001 by Andrew Tridgell <tridge@samba.org> |
be2961da | 4 | Copyright (C) 2001-2002 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 | |
be2961da | 32 | /** |
bc363ea9 | 33 | * Run a client connected to an rsyncd. The alternative to this |
be2961da MP |
34 | * function for remote-shell connections is do_cmd(). |
35 | * | |
36 | * After initial server startup, hands over to client_run(). | |
37 | * | |
38 | * @return -1 for error in startup, or the result of client_run(). | |
39 | **/ | |
3591c066 AT |
40 | int start_socket_client(char *host, char *path, int argc, char *argv[]) |
41 | { | |
42 | int fd, i; | |
43 | char *sargs[MAX_ARGS]; | |
44 | int sargc=0; | |
e42c9458 | 45 | char line[MAXPATHLEN]; |
bcb7e502 | 46 | char *p, *user=NULL; |
13c5fc0e | 47 | extern int remote_version; |
8d9dc9f9 | 48 | extern int am_sender; |
bc363ea9 | 49 | extern char *shell_cmd; |
9098bbf3 | 50 | extern int list_only; |
7a55d06e | 51 | extern int kludge_around_eof; |
06963d0f | 52 | extern char *bind_address; |
13e29995 | 53 | extern int default_af_hint; |
06963d0f | 54 | |
27e3e9c9 AT |
55 | if (argc == 0 && !am_sender) { |
56 | extern int list_only; | |
57 | list_only = 1; | |
58 | } | |
59 | ||
bc363ea9 MP |
60 | /* This is just a friendliness enhancement: if the connection |
61 | * is to an rsyncd then there is no point specifying the -e option. | |
62 | * Note that this is only set if the -e was explicitly specified, | |
63 | * not if the environment variable just happens to be set. | |
64 | * See http://lists.samba.org/pipermail/rsync/2000-September/002744.html | |
65 | */ | |
66 | if (shell_cmd) { | |
67 | rprintf(FERROR, "WARNING: --rsh or -e option ignored when " | |
68 | "connecting to rsync daemon\n"); | |
69 | /* continue */ | |
70 | } | |
71 | ||
f98df1d9 | 72 | if (*path == '/') { |
ff81e809 | 73 | rprintf(FERROR,"ERROR: The remote path must start with a module name not a /\n"); |
f98df1d9 AT |
74 | return -1; |
75 | } | |
76 | ||
bcb7e502 AT |
77 | p = strchr(host, '@'); |
78 | if (p) { | |
79 | user = host; | |
80 | host = p+1; | |
81 | *p = 0; | |
82 | } | |
83 | ||
84 | if (!user) user = getenv("USER"); | |
85 | if (!user) user = getenv("LOGNAME"); | |
86 | ||
1bbd10fe | 87 | if (verbose >= 2) { |
604f343c MP |
88 | /* FIXME: If we're going to use a socket program for |
89 | * testing, then this message is wrong. We need to | |
90 | * say something like "(except really using %s)" */ | |
1264288c MP |
91 | rprintf(FINFO, "opening tcp connection to %s port %d\n", |
92 | host, rsync_port); | |
1bbd10fe | 93 | } |
d5d4b282 | 94 | fd = open_socket_out_wrapped (host, rsync_port, bind_address, |
13e29995 | 95 | default_af_hint); |
3591c066 | 96 | if (fd == -1) { |
65417579 | 97 | exit_cleanup(RERR_SOCKETIO); |
3591c066 AT |
98 | } |
99 | ||
100 | server_options(sargs,&sargc); | |
101 | ||
102 | sargs[sargc++] = "."; | |
103 | ||
104 | if (path && *path) | |
105 | sargs[sargc++] = path; | |
106 | ||
107 | sargs[sargc] = NULL; | |
108 | ||
91eee594 AT |
109 | io_printf(fd,"@RSYNCD: %d\n", PROTOCOL_VERSION); |
110 | ||
3591c066 | 111 | if (!read_line(fd, line, sizeof(line)-1)) { |
be2961da | 112 | rprintf(FERROR, "rsync: did not see server greeting\n"); |
3591c066 AT |
113 | return -1; |
114 | } | |
115 | ||
13c5fc0e | 116 | if (sscanf(line,"@RSYNCD: %d", &remote_version) != 1) { |
be2961da MP |
117 | /* note that read_line strips of \n or \r */ |
118 | rprintf(FERROR, "rsync: server sent \"%s\" rather than greeting\n", | |
119 | line); | |
3591c066 AT |
120 | return -1; |
121 | } | |
122 | ||
2c91d3d3 AT |
123 | p = strchr(path,'/'); |
124 | if (p) *p = 0; | |
125 | io_printf(fd,"%s\n",path); | |
126 | if (p) *p = '/'; | |
127 | ||
063393d6 MP |
128 | /* Old servers may just drop the connection here, |
129 | rather than sending a proper EXIT command. Yuck. */ | |
9098bbf3 | 130 | kludge_around_eof = list_only && (remote_version < 25); |
7a55d06e | 131 | |
063393d6 | 132 | while (1) { |
3591c066 | 133 | if (!read_line(fd, line, sizeof(line)-1)) { |
be2961da | 134 | rprintf(FERROR, "rsync: didn't get server startup line\n"); |
3591c066 AT |
135 | return -1; |
136 | } | |
31593dd6 | 137 | |
31593dd6 | 138 | if (strncmp(line,"@RSYNCD: AUTHREQD ",18) == 0) { |
bcb7e502 | 139 | auth_client(fd, user, line+18); |
31593dd6 AT |
140 | continue; |
141 | } | |
31593dd6 | 142 | |
3591c066 | 143 | if (strcmp(line,"@RSYNCD: OK") == 0) break; |
8f04bb36 AT |
144 | |
145 | if (strcmp(line,"@RSYNCD: EXIT") == 0) exit(0); | |
146 | ||
c613d370 DD |
147 | if (strncmp(line, "@ERROR", 6) == 0) |
148 | rprintf(FERROR,"%s\n", line); | |
149 | else | |
150 | rprintf(FINFO,"%s\n", line); | |
3591c066 | 151 | } |
7a55d06e | 152 | kludge_around_eof = False; |
3591c066 AT |
153 | |
154 | for (i=0;i<sargc;i++) { | |
155 | io_printf(fd,"%s\n", sargs[i]); | |
156 | } | |
157 | io_printf(fd,"\n"); | |
158 | ||
09b7f5db AT |
159 | if (remote_version < 23) { |
160 | if (remote_version == 22 || (remote_version > 17 && !am_sender)) | |
161 | io_start_multiplex_in(fd); | |
162 | } | |
8d9dc9f9 | 163 | |
3591c066 AT |
164 | return client_run(fd, fd, -1, argc, argv); |
165 | } | |
166 | ||
167 | ||
168 | ||
169 | static int rsync_module(int fd, int i) | |
170 | { | |
171 | int argc=0; | |
172 | char *argv[MAX_ARGS]; | |
173 | char **argp; | |
e42c9458 | 174 | char line[MAXPATHLEN]; |
2af27ad9 | 175 | uid_t uid = (uid_t)-2; /* canonically "nobody" */ |
1a016bfd | 176 | gid_t gid = (gid_t)-2; |
8ef4ffd6 | 177 | char *p; |
56c473b7 AT |
178 | char *addr = client_addr(fd); |
179 | char *host = client_name(fd); | |
874895d5 | 180 | char *name = lp_name(i); |
8638dd48 | 181 | int use_chroot = lp_use_chroot(i); |
874895d5 | 182 | int start_glob=0; |
41979ff8 | 183 | int ret; |
7b372642 AT |
184 | char *request=NULL; |
185 | extern int am_sender; | |
8d9dc9f9 | 186 | extern int remote_version; |
943882a2 | 187 | extern int am_root; |
56c473b7 AT |
188 | |
189 | if (!allow_access(addr, host, lp_hosts_allow(i), lp_hosts_deny(i))) { | |
190 | rprintf(FERROR,"rsync denied on module %s from %s (%s)\n", | |
31ec50d7 | 191 | name, host, addr); |
c8e78d87 | 192 | io_printf(fd,"@ERROR: access denied to %s from %s (%s)\n", |
31ec50d7 | 193 | name, host, addr); |
56c473b7 AT |
194 | return -1; |
195 | } | |
3591c066 | 196 | |
5e71c444 | 197 | if (!claim_connection(lp_lock_file(i), lp_max_connections(i))) { |
8d72ef6e AT |
198 | if (errno) { |
199 | rprintf(FERROR,"failed to open lock file %s : %s\n", | |
5e71c444 | 200 | lp_lock_file(i), strerror(errno)); |
8d72ef6e | 201 | io_printf(fd,"@ERROR: failed to open lock file %s : %s\n", |
5e71c444 | 202 | lp_lock_file(i), strerror(errno)); |
8d72ef6e AT |
203 | } else { |
204 | rprintf(FERROR,"max connections (%d) reached\n", | |
5e71c444 AT |
205 | lp_max_connections(i)); |
206 | io_printf(fd,"@ERROR: max connections (%d) reached - try again later\n", lp_max_connections(i)); | |
8d72ef6e | 207 | } |
0c515f17 AT |
208 | return -1; |
209 | } | |
210 | ||
31593dd6 | 211 | |
97cb8dc2 | 212 | auth_user = auth_server(fd, i, addr, "@RSYNCD: AUTHREQD "); |
d0d56395 | 213 | |
97cb8dc2 | 214 | if (!auth_user) { |
d0d56395 AT |
215 | rprintf(FERROR,"auth failed on module %s from %s (%s)\n", |
216 | name, client_name(fd), client_addr(fd)); | |
217 | io_printf(fd,"@ERROR: auth failed on module %s\n",name); | |
218 | return -1; | |
219 | } | |
220 | ||
3591c066 AT |
221 | module_id = i; |
222 | ||
716baed7 | 223 | am_root = (getuid() == 0); |
8ef4ffd6 | 224 | |
716baed7 DD |
225 | if (am_root) { |
226 | p = lp_uid(i); | |
227 | if (!name_to_uid(p, &uid)) { | |
228 | if (!isdigit(*p)) { | |
229 | rprintf(FERROR,"Invalid uid %s\n", p); | |
fd2dd2aa | 230 | io_printf(fd,"@ERROR: invalid uid %s\n", p); |
716baed7 DD |
231 | return -1; |
232 | } | |
233 | uid = atoi(p); | |
234 | } | |
235 | ||
236 | p = lp_gid(i); | |
237 | if (!name_to_gid(p, &gid)) { | |
238 | if (!isdigit(*p)) { | |
239 | rprintf(FERROR,"Invalid gid %s\n", p); | |
fd2dd2aa | 240 | io_printf(fd,"@ERROR: invalid gid %s\n", p); |
716baed7 DD |
241 | return -1; |
242 | } | |
243 | gid = atoi(p); | |
244 | } | |
8ef4ffd6 | 245 | } |
3b2b5345 MP |
246 | |
247 | /* TODO: If we're not root, but the configuration requests | |
248 | * that we change to some uid other than the current one, then | |
249 | * log a warning. */ | |
250 | ||
251 | /* TODO: Perhaps take a list of gids, and make them into the | |
252 | * supplementary groups. */ | |
8ef4ffd6 | 253 | |
cd64343a DD |
254 | p = lp_include_from(i); |
255 | add_exclude_file(p, 1, 1); | |
256 | ||
257 | p = lp_include(i); | |
258 | add_include_line(p); | |
259 | ||
8f3a2d54 | 260 | p = lp_exclude_from(i); |
2b6b4d53 | 261 | add_exclude_file(p, 1, 0); |
8f3a2d54 | 262 | |
5805327b | 263 | p = lp_exclude(i); |
8f3a2d54 AT |
264 | add_exclude_line(p); |
265 | ||
45a83540 | 266 | log_init(); |
1a016bfd | 267 | |
8638dd48 | 268 | if (use_chroot) { |
b52c1d9d MP |
269 | /* |
270 | * XXX: The 'use chroot' flag is a fairly reliable | |
271 | * source of confusion, because it fails under two | |
272 | * important circumstances: running as non-root, | |
273 | * running on Win32 (or possibly others). On the | |
274 | * other hand, if you are running as root, then it | |
275 | * might be better to always use chroot. | |
276 | * | |
277 | * So, perhaps if we can't chroot we should just issue | |
278 | * a warning, unless a "require chroot" flag is set, | |
279 | * in which case we fail. | |
280 | */ | |
8638dd48 | 281 | if (chroot(lp_path(i))) { |
a039749b | 282 | rsyserr(FERROR, errno, "chroot %s failed", lp_path(i)); |
8638dd48 DD |
283 | io_printf(fd,"@ERROR: chroot failed\n"); |
284 | return -1; | |
285 | } | |
3591c066 | 286 | |
c226b7c2 | 287 | if (!push_dir("/", 0)) { |
a039749b | 288 | rsyserr(FERROR, errno, "chdir %s failed\n", lp_path(i)); |
8638dd48 DD |
289 | io_printf(fd,"@ERROR: chdir failed\n"); |
290 | return -1; | |
291 | } | |
3591c066 | 292 | |
716baed7 DD |
293 | } else { |
294 | if (!push_dir(lp_path(i), 0)) { | |
a039749b | 295 | rsyserr(FERROR, errno, "chdir %s failed\n", lp_path(i)); |
716baed7 DD |
296 | io_printf(fd,"@ERROR: chdir failed\n"); |
297 | return -1; | |
298 | } | |
cb13abfe | 299 | sanitize_paths = 1; |
716baed7 DD |
300 | } |
301 | ||
302 | if (am_root) { | |
e3bdb763 | 303 | #ifdef HAVE_SETGROUPS |
715d1f45 MP |
304 | /* Get rid of any supplementary groups this process |
305 | * might have inheristed. */ | |
306 | if (setgroups(0, NULL)) { | |
307 | rsyserr(FERROR, errno, "setgroups failed"); | |
308 | io_printf(fd, "@ERROR: setgroups failed\n"); | |
309 | return -1; | |
310 | } | |
e3bdb763 | 311 | #endif |
715d1f45 MP |
312 | |
313 | /* XXXX: You could argue that if the daemon is started | |
314 | * by a non-root user and they explicitly specify a | |
315 | * gid, then we should try to change to that gid -- | |
316 | * this could be possible if it's already in their | |
317 | * supplementary groups. */ | |
318 | ||
319 | /* TODO: Perhaps we need to document that if rsyncd is | |
320 | * started by somebody other than root it will inherit | |
321 | * all their supplementary groups. */ | |
322 | ||
716baed7 | 323 | if (setgid(gid)) { |
08a740ff | 324 | rsyserr(FERROR, errno, "setgid %d failed", (int) gid); |
8638dd48 DD |
325 | io_printf(fd,"@ERROR: setgid failed\n"); |
326 | return -1; | |
327 | } | |
3591c066 | 328 | |
716baed7 | 329 | if (setuid(uid)) { |
08a740ff | 330 | rsyserr(FERROR, errno, "setuid %d failed", (int) uid); |
8638dd48 DD |
331 | io_printf(fd,"@ERROR: setuid failed\n"); |
332 | return -1; | |
333 | } | |
334 | ||
716baed7 | 335 | am_root = (getuid() == 0); |
3591c066 AT |
336 | } |
337 | ||
338 | io_printf(fd,"@RSYNCD: OK\n"); | |
339 | ||
340 | argv[argc++] = "rsyncd"; | |
341 | ||
342 | while (1) { | |
343 | if (!read_line(fd, line, sizeof(line)-1)) { | |
344 | return -1; | |
345 | } | |
346 | ||
347 | if (!*line) break; | |
348 | ||
874895d5 AT |
349 | p = line; |
350 | ||
874895d5 | 351 | argv[argc] = strdup(p); |
3591c066 AT |
352 | if (!argv[argc]) { |
353 | return -1; | |
354 | } | |
355 | ||
874895d5 | 356 | if (start_glob) { |
1a016bfd | 357 | if (start_glob == 1) { |
7b372642 | 358 | request = strdup(p); |
1a016bfd AT |
359 | start_glob++; |
360 | } | |
cb13abfe | 361 | glob_expand(name, argv, &argc, MAX_ARGS); |
874895d5 AT |
362 | } else { |
363 | argc++; | |
364 | } | |
365 | ||
366 | if (strcmp(line,".") == 0) { | |
367 | start_glob = 1; | |
368 | } | |
369 | ||
3591c066 AT |
370 | if (argc == MAX_ARGS) { |
371 | return -1; | |
372 | } | |
373 | } | |
374 | ||
cb13abfe | 375 | if (sanitize_paths) { |
8638dd48 DD |
376 | /* |
377 | * Note that this is applied to all parameters, whether or not | |
378 | * they are filenames, but no other legal parameters contain | |
379 | * the forms that need to be sanitized so it doesn't hurt; | |
380 | * it is not known at this point which parameters are files | |
381 | * and which aren't. | |
382 | */ | |
383 | for (i = 1; i < argc; i++) { | |
cb13abfe | 384 | sanitize_path(argv[i], NULL); |
8638dd48 DD |
385 | } |
386 | } | |
387 | ||
15b7b73d MP |
388 | argp = argv; |
389 | ret = parse_arguments(&argc, (const char ***) &argp, 0); | |
3591c066 | 390 | |
7b372642 | 391 | if (request) { |
97cb8dc2 | 392 | if (*auth_user) { |
d0d56395 AT |
393 | rprintf(FINFO,"rsync %s %s from %s@%s (%s)\n", |
394 | am_sender?"on":"to", | |
97cb8dc2 | 395 | request, auth_user, host, addr); |
d0d56395 AT |
396 | } else { |
397 | rprintf(FINFO,"rsync %s %s from %s (%s)\n", | |
398 | am_sender?"on":"to", | |
399 | request, host, addr); | |
400 | } | |
7b372642 AT |
401 | free(request); |
402 | } | |
403 | ||
15b7b73d | 404 | #ifndef DEBUG |
3591c066 AT |
405 | /* don't allow the logs to be flooded too fast */ |
406 | if (verbose > 1) verbose = 1; | |
0199b05f | 407 | #endif |
3591c066 | 408 | |
09b7f5db AT |
409 | if (remote_version < 23) { |
410 | if (remote_version == 22 || (remote_version > 17 && am_sender)) | |
411 | io_start_multiplex_out(fd); | |
554e0a8d | 412 | } |
15b7b73d MP |
413 | |
414 | /* For later protocol versions, we don't start multiplexing | |
415 | * until we've configured nonblocking in start_server. That | |
416 | * means we're in a sticky situation now: there's no way to | |
417 | * convey errors to the client. */ | |
418 | ||
419 | /* FIXME: Hold off on reporting option processing errors until | |
420 | * we've set up nonblocking and multiplexed IO and can get the | |
421 | * message back to them. */ | |
41979ff8 | 422 | if (!ret) { |
15b7b73d MP |
423 | option_error(); |
424 | exit_cleanup(RERR_UNSUPPORTED); | |
41979ff8 AT |
425 | } |
426 | ||
81791cfc AT |
427 | if (lp_timeout(i)) { |
428 | extern int io_timeout; | |
429 | io_timeout = lp_timeout(i); | |
430 | } | |
431 | ||
3591c066 AT |
432 | start_server(fd, fd, argc, argp); |
433 | ||
434 | return 0; | |
435 | } | |
436 | ||
7a6421fa AT |
437 | /* send a list of available modules to the client. Don't list those |
438 | with "list = False". */ | |
3591c066 AT |
439 | static void send_listing(int fd) |
440 | { | |
441 | int n = lp_numservices(); | |
442 | int i; | |
063393d6 MP |
443 | extern int remote_version; |
444 | ||
3591c066 AT |
445 | for (i=0;i<n;i++) |
446 | if (lp_list(i)) | |
447 | io_printf(fd, "%-15s\t%s\n", lp_name(i), lp_comment(i)); | |
8f04bb36 | 448 | |
063393d6 MP |
449 | if (remote_version >= 25) |
450 | io_printf(fd,"@RSYNCD: EXIT\n"); | |
3591c066 AT |
451 | } |
452 | ||
453 | /* this is called when a socket connection is established to a client | |
454 | and we want to start talking. The setup of the system is done from | |
455 | here */ | |
456 | static int start_daemon(int fd) | |
457 | { | |
7a6421fa | 458 | char line[200]; |
3591c066 | 459 | char *motd; |
8ef4ffd6 | 460 | int i = -1; |
4cdf25e4 | 461 | extern char *config_file; |
13c5fc0e | 462 | extern int remote_version; |
4cdf25e4 | 463 | |
f9e940ef | 464 | if (!lp_load(config_file, 0)) { |
65417579 | 465 | exit_cleanup(RERR_SYNTAX); |
4cdf25e4 | 466 | } |
3591c066 AT |
467 | |
468 | set_socket_options(fd,"SO_KEEPALIVE"); | |
a6801c39 | 469 | set_socket_options(fd,lp_socket_options()); |
f0359dd0 | 470 | set_nonblocking(fd); |
3591c066 AT |
471 | |
472 | io_printf(fd,"@RSYNCD: %d\n", PROTOCOL_VERSION); | |
473 | ||
474 | motd = lp_motd_file(); | |
27d3cdbc | 475 | if (motd && *motd) { |
3591c066 AT |
476 | FILE *f = fopen(motd,"r"); |
477 | while (f && !feof(f)) { | |
478 | int len = fread(line, 1, sizeof(line)-1, f); | |
479 | if (len > 0) { | |
480 | line[len] = 0; | |
481 | io_printf(fd,"%s", line); | |
482 | } | |
483 | } | |
484 | if (f) fclose(f); | |
485 | io_printf(fd,"\n"); | |
486 | } | |
487 | ||
91eee594 AT |
488 | if (!read_line(fd, line, sizeof(line)-1)) { |
489 | return -1; | |
490 | } | |
491 | ||
492 | if (sscanf(line,"@RSYNCD: %d", &remote_version) != 1) { | |
c8e78d87 | 493 | io_printf(fd,"@ERROR: protocol startup error\n"); |
91eee594 AT |
494 | return -1; |
495 | } | |
496 | ||
8ef4ffd6 | 497 | while (i == -1) { |
3591c066 AT |
498 | line[0] = 0; |
499 | if (!read_line(fd, line, sizeof(line)-1)) { | |
500 | return -1; | |
501 | } | |
502 | ||
503 | if (!*line || strcmp(line,"#list")==0) { | |
504 | send_listing(fd); | |
505 | return -1; | |
506 | } | |
507 | ||
508 | if (*line == '#') { | |
509 | /* it's some sort of command that I don't understand */ | |
c8e78d87 | 510 | io_printf(fd,"@ERROR: Unknown command '%s'\n", line); |
3591c066 AT |
511 | return -1; |
512 | } | |
513 | ||
514 | i = lp_number(line); | |
515 | if (i == -1) { | |
c8e78d87 | 516 | io_printf(fd,"@ERROR: Unknown module '%s'\n", line); |
3591c066 AT |
517 | return -1; |
518 | } | |
3591c066 AT |
519 | } |
520 | ||
8ef4ffd6 | 521 | return rsync_module(fd, i); |
3591c066 AT |
522 | } |
523 | ||
524 | ||
525 | int daemon_main(void) | |
526 | { | |
f9e940ef | 527 | extern char *config_file; |
ad517ce5 | 528 | extern int orig_umask; |
8638dd48 | 529 | char *pid_file; |
13e29995 | 530 | extern int no_detach; |
1a016bfd | 531 | |
3591c066 | 532 | if (is_a_socket(STDIN_FILENO)) { |
41979ff8 AT |
533 | int i; |
534 | ||
535 | /* we are running via inetd - close off stdout and | |
536 | stderr so that library functions (and getopt) don't | |
537 | try to use them. Redirect them to /dev/null */ | |
538 | for (i=1;i<3;i++) { | |
539 | close(i); | |
540 | open("/dev/null", O_RDWR); | |
541 | } | |
3eb38818 | 542 | |
3591c066 AT |
543 | return start_daemon(STDIN_FILENO); |
544 | } | |
545 | ||
13e29995 | 546 | if (!no_detach) |
a538066d | 547 | become_daemon(); |
3591c066 | 548 | |
f9e940ef | 549 | if (!lp_load(config_file, 1)) { |
65417579 | 550 | exit_cleanup(RERR_SYNTAX); |
f9e940ef AT |
551 | } |
552 | ||
45a83540 | 553 | log_init(); |
f9e940ef | 554 | |
a358449a MP |
555 | rprintf(FINFO, "rsyncd version %s starting, listening on port %d\n", |
556 | RSYNC_VERSION, | |
15b7b73d MP |
557 | rsync_port); |
558 | /* TODO: If listening on a particular address, then show that | |
431efc89 MP |
559 | * address too. In fact, why not just do inet_ntop on the |
560 | * local address??? */ | |
e42c9458 | 561 | |
8638dd48 | 562 | if (((pid_file = lp_pid_file()) != NULL) && (*pid_file != '\0')) { |
ad517ce5 DD |
563 | char pidbuf[16]; |
564 | int fd; | |
8638dd48 DD |
565 | int pid = (int) getpid(); |
566 | cleanup_set_pid(pid); | |
ad517ce5 DD |
567 | if ((fd = do_open(lp_pid_file(), O_WRONLY|O_CREAT|O_TRUNC, |
568 | 0666 & ~orig_umask)) == -1) { | |
8638dd48 | 569 | cleanup_set_pid(0); |
a039749b | 570 | rsyserr(FLOG, errno, "failed to create pid file %s", pid_file); |
65417579 | 571 | exit_cleanup(RERR_FILEIO); |
8638dd48 | 572 | } |
8950ac03 | 573 | snprintf(pidbuf, sizeof(pidbuf), "%d\n", pid); |
ad517ce5 DD |
574 | write(fd, pidbuf, strlen(pidbuf)); |
575 | close(fd); | |
8638dd48 DD |
576 | } |
577 | ||
8ef4ffd6 AT |
578 | start_accept_loop(rsync_port, start_daemon); |
579 | return -1; | |
3591c066 AT |
580 | } |
581 |