Commit | Line | Data |
---|---|---|
0b76cd63 AT |
1 | /* |
2 | Copyright (C) Andrew Tridgell 1998 | |
3 | ||
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 2 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
15 | along with this program; if not, write to the Free Software | |
16 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
17 | */ | |
18 | ||
19 | /* | |
20 | logging and utility functions | |
21 | ||
22 | tridge, May 1998 | |
23 | */ | |
24 | #include "rsync.h" | |
25 | ||
4f6325c3 AT |
26 | static FILE *logfile; |
27 | ||
e0414f42 | 28 | |
4f6325c3 AT |
29 | static void logit(int priority, char *buf) |
30 | { | |
31 | if (logfile) { | |
67ea0d48 | 32 | fprintf(logfile,"%s [%d] %s", |
f7632fc6 | 33 | timestring(time(NULL)), (int)getpid(), buf); |
4f6325c3 AT |
34 | fflush(logfile); |
35 | } else { | |
36 | syslog(priority, "%s", buf); | |
37 | } | |
38 | } | |
e42c9458 | 39 | |
1a016bfd AT |
40 | void log_open(void) |
41 | { | |
42 | static int initialised; | |
43 | int options = LOG_PID; | |
bcf5b133 | 44 | time_t t; |
27d3cdbc | 45 | char *logf; |
1a016bfd AT |
46 | |
47 | if (initialised) return; | |
48 | initialised = 1; | |
49 | ||
958f3735 AT |
50 | /* this looks pointless, but it is needed in order for the |
51 | C library on some systems to fetch the timezone info | |
52 | before the chroot */ | |
53 | t = time(NULL); | |
54 | localtime(&t); | |
55 | ||
56 | /* optionally use a log file instead of syslog */ | |
27d3cdbc AT |
57 | logf = lp_log_file(); |
58 | if (logf && *logf) { | |
e8030905 AT |
59 | extern int orig_umask; |
60 | int old_umask = umask(022 | orig_umask); | |
27d3cdbc | 61 | logfile = fopen(logf, "a"); |
6265551a | 62 | umask(old_umask); |
4f6325c3 AT |
63 | return; |
64 | } | |
65 | ||
1a016bfd AT |
66 | #ifdef LOG_NDELAY |
67 | options |= LOG_NDELAY; | |
68 | #endif | |
69 | ||
70 | #ifdef LOG_DAEMON | |
71 | openlog("rsyncd", options, lp_syslog_facility()); | |
72 | #else | |
73 | openlog("rsyncd", options); | |
74 | #endif | |
75 | ||
76 | #ifndef LOG_NDELAY | |
4f6325c3 | 77 | logit(LOG_INFO,"rsyncd started\n"); |
1a016bfd AT |
78 | #endif |
79 | } | |
80 | ||
81 | ||
e08bfe12 AT |
82 | /* this is the rsync debugging function. Call it with FINFO, FERROR or FLOG */ |
83 | void rprintf(int fd, const char *format, ...) | |
0b76cd63 AT |
84 | { |
85 | va_list ap; | |
86 | char buf[1024]; | |
87 | int len; | |
88 | FILE *f=NULL; | |
89 | extern int am_daemon; | |
8d9dc9f9 | 90 | /* recursion can happen with certain fatal conditions */ |
8d9dc9f9 | 91 | |
0b76cd63 | 92 | va_start(ap, format); |
37f9805d | 93 | len = vslprintf(buf, sizeof(buf), format, ap); |
0b76cd63 AT |
94 | va_end(ap); |
95 | ||
65417579 | 96 | if (len < 0) exit_cleanup(RERR_MESSAGEIO); |
0b76cd63 | 97 | |
65417579 | 98 | if (len > sizeof(buf)-1) exit_cleanup(RERR_MESSAGEIO); |
45ccc5c0 | 99 | |
ff8b29b8 AT |
100 | buf[len] = 0; |
101 | ||
11a5a3c7 AT |
102 | if (fd == FLOG) { |
103 | if (am_daemon) logit(LOG_INFO, buf); | |
11a5a3c7 AT |
104 | return; |
105 | } | |
106 | ||
ff8b29b8 | 107 | if (am_daemon) { |
b24203b3 | 108 | static int depth; |
ff8b29b8 AT |
109 | int priority = LOG_INFO; |
110 | if (fd == FERROR) priority = LOG_WARNING; | |
45ccc5c0 | 111 | |
b24203b3 AT |
112 | if (depth) return; |
113 | ||
f27b53f5 AT |
114 | depth++; |
115 | ||
1a016bfd | 116 | log_open(); |
8d9dc9f9 | 117 | if (!io_multiplex_write(fd, buf, strlen(buf))) { |
4f6325c3 | 118 | logit(priority, buf); |
8d9dc9f9 AT |
119 | } |
120 | ||
121 | depth--; | |
ff8b29b8 | 122 | return; |
0b76cd63 AT |
123 | } |
124 | ||
ff8b29b8 AT |
125 | if (fd == FERROR) { |
126 | f = stderr; | |
127 | } | |
128 | ||
129 | if (fd == FINFO) { | |
130 | extern int am_server; | |
131 | if (am_server) | |
132 | f = stderr; | |
133 | else | |
134 | f = stdout; | |
135 | } | |
136 | ||
65417579 | 137 | if (!f) exit_cleanup(RERR_MESSAGEIO); |
0b76cd63 | 138 | |
65417579 | 139 | if (fwrite(buf, len, 1, f) != 1) exit_cleanup(RERR_MESSAGEIO); |
8d9dc9f9 | 140 | |
bcf5b133 | 141 | if (buf[len-1] == '\r' || buf[len-1] == '\n') fflush(f); |
0b76cd63 AT |
142 | } |
143 | ||
144 | void rflush(int fd) | |
145 | { | |
146 | FILE *f = NULL; | |
147 | extern int am_daemon; | |
148 | ||
149 | if (am_daemon) { | |
150 | return; | |
151 | } | |
152 | ||
e08bfe12 AT |
153 | if (fd == FLOG) { |
154 | return; | |
155 | } | |
156 | ||
0b76cd63 AT |
157 | if (fd == FERROR) { |
158 | f = stderr; | |
159 | } | |
160 | ||
161 | if (fd == FINFO) { | |
162 | extern int am_server; | |
163 | if (am_server) | |
164 | f = stderr; | |
165 | else | |
166 | f = stdout; | |
167 | } | |
168 | ||
65417579 | 169 | if (!f) exit_cleanup(RERR_MESSAGEIO); |
0b76cd63 AT |
170 | fflush(f); |
171 | } | |
172 | ||
11a5a3c7 | 173 | |
e08bfe12 AT |
174 | |
175 | /* a generic logging routine for send/recv, with parameter | |
176 | substitiution */ | |
b6062654 AT |
177 | static void log_formatted(int fd, |
178 | char *format, char *op, struct file_struct *file, | |
1b7c47cb | 179 | struct stats *initial_stats) |
e08bfe12 AT |
180 | { |
181 | extern int module_id; | |
97cb8dc2 | 182 | extern char *auth_user; |
e08bfe12 | 183 | char buf[1024]; |
ab7104da | 184 | char buf2[1024]; |
e08bfe12 | 185 | char *p, *s, *n; |
e08bfe12 | 186 | int l; |
1b7c47cb AT |
187 | extern struct stats stats; |
188 | extern int am_sender; | |
af77cc6b | 189 | extern int am_daemon; |
1b7c47cb | 190 | int64 b; |
e08bfe12 | 191 | |
37f9805d | 192 | strlcpy(buf, format, sizeof(buf)); |
e08bfe12 AT |
193 | |
194 | for (s=&buf[0]; | |
195 | s && (p=strchr(s,'%')); ) { | |
196 | n = NULL; | |
197 | s = p + 1; | |
198 | ||
199 | switch (p[1]) { | |
af77cc6b AT |
200 | case 'h': if (am_daemon) n = client_name(0); break; |
201 | case 'a': if (am_daemon) n = client_addr(0); break; | |
e08bfe12 | 202 | case 'l': |
37f9805d | 203 | slprintf(buf2,sizeof(buf2),"%.0f", |
e08bfe12 AT |
204 | (double)file->length); |
205 | n = buf2; | |
206 | break; | |
207 | case 'p': | |
37f9805d | 208 | slprintf(buf2,sizeof(buf2),"%d", |
e08bfe12 AT |
209 | (int)getpid()); |
210 | n = buf2; | |
211 | break; | |
212 | case 'o': n = op; break; | |
ab7104da | 213 | case 'f': |
37f9805d | 214 | slprintf(buf2, sizeof(buf2), "%s/%s", |
ab7104da AT |
215 | file->basedir?file->basedir:"", |
216 | f_name(file)); | |
217 | clean_fname(buf2); | |
218 | n = buf2; | |
b6062654 | 219 | if (*n == '/') n++; |
ab7104da | 220 | break; |
97cb8dc2 | 221 | case 'm': n = lp_name(module_id); break; |
b6062654 | 222 | case 't': n = timestring(time(NULL)); break; |
97cb8dc2 AT |
223 | case 'P': n = lp_path(module_id); break; |
224 | case 'u': n = auth_user; break; | |
1b7c47cb AT |
225 | case 'b': |
226 | if (am_sender) { | |
227 | b = stats.total_written - | |
228 | initial_stats->total_written; | |
229 | } else { | |
230 | b = stats.total_read - | |
231 | initial_stats->total_read; | |
232 | } | |
37f9805d | 233 | slprintf(buf2,sizeof(buf2),"%.0f", (double)b); |
1b7c47cb AT |
234 | n = buf2; |
235 | break; | |
236 | case 'c': | |
237 | if (!am_sender) { | |
238 | b = stats.total_written - | |
239 | initial_stats->total_written; | |
240 | } else { | |
241 | b = stats.total_read - | |
242 | initial_stats->total_read; | |
243 | } | |
37f9805d | 244 | slprintf(buf2,sizeof(buf2),"%.0f", (double)b); |
1b7c47cb AT |
245 | n = buf2; |
246 | break; | |
e08bfe12 AT |
247 | } |
248 | ||
249 | if (!n) continue; | |
250 | ||
251 | l = strlen(n); | |
252 | ||
253 | if ((l-1) + ((int)(s - &buf[0])) > sizeof(buf)) { | |
254 | rprintf(FERROR,"buffer overflow expanding %%%c - exiting\n", | |
255 | p[0]); | |
65417579 | 256 | exit_cleanup(RERR_MESSAGEIO); |
e08bfe12 AT |
257 | } |
258 | ||
259 | if (l != 2) { | |
34720097 | 260 | memmove(s+(l-1), s+1, strlen(s+1)+1); |
e08bfe12 AT |
261 | } |
262 | memcpy(p, n, l); | |
263 | ||
264 | s = p+l; | |
265 | } | |
266 | ||
b6062654 | 267 | rprintf(fd,"%s\n", buf); |
e08bfe12 AT |
268 | } |
269 | ||
11a5a3c7 | 270 | /* log the outgoing transfer of a file */ |
1b7c47cb | 271 | void log_send(struct file_struct *file, struct stats *initial_stats) |
11a5a3c7 AT |
272 | { |
273 | extern int module_id; | |
b6062654 AT |
274 | extern int am_server; |
275 | extern char *log_format; | |
276 | ||
11a5a3c7 | 277 | if (lp_transfer_logging(module_id)) { |
b6062654 AT |
278 | log_formatted(FLOG, lp_log_format(module_id), "send", file, initial_stats); |
279 | } else if (log_format && !am_server) { | |
280 | log_formatted(FINFO, log_format, "send", file, initial_stats); | |
11a5a3c7 AT |
281 | } |
282 | } | |
283 | ||
284 | /* log the incoming transfer of a file */ | |
1b7c47cb | 285 | void log_recv(struct file_struct *file, struct stats *initial_stats) |
11a5a3c7 AT |
286 | { |
287 | extern int module_id; | |
b6062654 AT |
288 | extern int am_server; |
289 | extern char *log_format; | |
290 | ||
11a5a3c7 | 291 | if (lp_transfer_logging(module_id)) { |
b6062654 AT |
292 | log_formatted(FLOG, lp_log_format(module_id), "send", file, initial_stats); |
293 | } else if (log_format && !am_server) { | |
294 | log_formatted(FINFO, log_format, "send", file, initial_stats); | |
11a5a3c7 AT |
295 | } |
296 | } | |
297 | ||
9b73d1c0 | 298 | /* called when the transfer is interrupted for some reason */ |
a9766ef1 | 299 | void log_exit(int code, const char *file, int line) |
9b73d1c0 AT |
300 | { |
301 | if (code == 0) { | |
302 | extern struct stats stats; | |
67ea0d48 | 303 | rprintf(FLOG,"wrote %.0f bytes read %.0f bytes total size %.0f\n", |
9b73d1c0 AT |
304 | (double)stats.total_written, |
305 | (double)stats.total_read, | |
306 | (double)stats.total_size); | |
307 | } else { | |
a9766ef1 AT |
308 | rprintf(FLOG,"transfer interrupted (code %d) at %s(%d)\n", |
309 | code, file, line); | |
9b73d1c0 AT |
310 | } |
311 | } | |
312 | ||
11a5a3c7 | 313 | /* log the incoming transfer of a file for interactive use, this |
b6062654 AT |
314 | will be called at the end where the client was run |
315 | ||
316 | it i called when a file starts to be transferred | |
317 | */ | |
a9766ef1 | 318 | void log_transfer(struct file_struct *file, const char *fname) |
11a5a3c7 AT |
319 | { |
320 | extern int verbose; | |
321 | ||
322 | if (!verbose) return; | |
323 | ||
324 | rprintf(FINFO,"%s\n", fname); | |
325 | } | |
9b73d1c0 | 326 |