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