Commit | Line | Data |
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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 | ||
28 | static void logit(int priority, char *buf) | |
29 | { | |
30 | if (logfile) { | |
31 | fprintf(logfile,"%s", buf); | |
32 | fflush(logfile); | |
33 | } else { | |
34 | syslog(priority, "%s", buf); | |
35 | } | |
36 | } | |
e42c9458 | 37 | |
1a016bfd AT |
38 | void log_open(void) |
39 | { | |
40 | static int initialised; | |
41 | int options = LOG_PID; | |
bcf5b133 | 42 | time_t t; |
1a016bfd AT |
43 | |
44 | if (initialised) return; | |
45 | initialised = 1; | |
46 | ||
4f6325c3 AT |
47 | if (lp_log_file()) { |
48 | logfile = fopen(lp_log_file(), "a"); | |
49 | return; | |
50 | } | |
51 | ||
1a016bfd AT |
52 | #ifdef LOG_NDELAY |
53 | options |= LOG_NDELAY; | |
54 | #endif | |
55 | ||
56 | #ifdef LOG_DAEMON | |
57 | openlog("rsyncd", options, lp_syslog_facility()); | |
58 | #else | |
59 | openlog("rsyncd", options); | |
60 | #endif | |
61 | ||
62 | #ifndef LOG_NDELAY | |
4f6325c3 | 63 | logit(LOG_INFO,"rsyncd started\n"); |
1a016bfd | 64 | #endif |
bcf5b133 AT |
65 | |
66 | /* this looks pointless, but it is needed in order for the | |
67 | C library on some systems to fetch the timezone info | |
68 | before the chroot */ | |
69 | t = time(NULL); | |
70 | localtime(&t); | |
1a016bfd AT |
71 | } |
72 | ||
73 | ||
0b76cd63 AT |
74 | /* this is the rsync debugging function. Call it with FINFO or FERROR */ |
75 | void rprintf(int fd, const char *format, ...) | |
76 | { | |
77 | va_list ap; | |
78 | char buf[1024]; | |
79 | int len; | |
80 | FILE *f=NULL; | |
81 | extern int am_daemon; | |
8d9dc9f9 AT |
82 | /* recursion can happen with certain fatal conditions */ |
83 | static int depth; | |
84 | ||
85 | if (depth) return; | |
86 | ||
87 | depth++; | |
0b76cd63 AT |
88 | |
89 | va_start(ap, format); | |
e42c9458 | 90 | len = vslprintf(buf, sizeof(buf)-1, format, ap); |
0b76cd63 AT |
91 | va_end(ap); |
92 | ||
93 | if (len < 0) exit_cleanup(1); | |
94 | ||
45ccc5c0 AT |
95 | if (len > sizeof(buf)-1) exit_cleanup(1); |
96 | ||
ff8b29b8 AT |
97 | buf[len] = 0; |
98 | ||
99 | if (am_daemon) { | |
100 | int priority = LOG_INFO; | |
101 | if (fd == FERROR) priority = LOG_WARNING; | |
45ccc5c0 | 102 | |
1a016bfd | 103 | log_open(); |
8d9dc9f9 | 104 | if (!io_multiplex_write(fd, buf, strlen(buf))) { |
4f6325c3 | 105 | logit(priority, buf); |
8d9dc9f9 AT |
106 | } |
107 | ||
108 | depth--; | |
ff8b29b8 | 109 | return; |
0b76cd63 AT |
110 | } |
111 | ||
ff8b29b8 AT |
112 | if (fd == FERROR) { |
113 | f = stderr; | |
114 | } | |
115 | ||
116 | if (fd == FINFO) { | |
117 | extern int am_server; | |
118 | if (am_server) | |
119 | f = stderr; | |
120 | else | |
121 | f = stdout; | |
122 | } | |
123 | ||
0b76cd63 AT |
124 | if (!f) exit_cleanup(1); |
125 | ||
126 | if (fwrite(buf, len, 1, f) != 1) exit_cleanup(1); | |
8d9dc9f9 | 127 | |
bcf5b133 | 128 | if (buf[len-1] == '\r' || buf[len-1] == '\n') fflush(f); |
eb86d661 | 129 | |
8d9dc9f9 | 130 | depth--; |
0b76cd63 AT |
131 | } |
132 | ||
133 | void rflush(int fd) | |
134 | { | |
135 | FILE *f = NULL; | |
136 | extern int am_daemon; | |
137 | ||
138 | if (am_daemon) { | |
139 | return; | |
140 | } | |
141 | ||
142 | if (fd == FERROR) { | |
143 | f = stderr; | |
144 | } | |
145 | ||
146 | if (fd == FINFO) { | |
147 | extern int am_server; | |
148 | if (am_server) | |
149 | f = stderr; | |
150 | else | |
151 | f = stdout; | |
152 | } | |
153 | ||
154 | if (!f) exit_cleanup(1); | |
155 | fflush(f); | |
156 | } | |
157 |