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 | ||
e42c9458 | 26 | |
1a016bfd AT |
27 | void log_open(void) |
28 | { | |
29 | static int initialised; | |
30 | int options = LOG_PID; | |
bcf5b133 | 31 | time_t t; |
1a016bfd AT |
32 | |
33 | if (initialised) return; | |
34 | initialised = 1; | |
35 | ||
36 | #ifdef LOG_NDELAY | |
37 | options |= LOG_NDELAY; | |
38 | #endif | |
39 | ||
40 | #ifdef LOG_DAEMON | |
41 | openlog("rsyncd", options, lp_syslog_facility()); | |
42 | #else | |
43 | openlog("rsyncd", options); | |
44 | #endif | |
45 | ||
46 | #ifndef LOG_NDELAY | |
47 | syslog(LOG_INFO,"rsyncd started\n"); | |
48 | #endif | |
bcf5b133 AT |
49 | |
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); | |
1a016bfd AT |
55 | } |
56 | ||
57 | ||
0b76cd63 AT |
58 | /* this is the rsync debugging function. Call it with FINFO or FERROR */ |
59 | void rprintf(int fd, const char *format, ...) | |
60 | { | |
61 | va_list ap; | |
62 | char buf[1024]; | |
63 | int len; | |
64 | FILE *f=NULL; | |
65 | extern int am_daemon; | |
8d9dc9f9 AT |
66 | /* recursion can happen with certain fatal conditions */ |
67 | static int depth; | |
68 | ||
69 | if (depth) return; | |
70 | ||
71 | depth++; | |
0b76cd63 AT |
72 | |
73 | va_start(ap, format); | |
e42c9458 | 74 | len = vslprintf(buf, sizeof(buf)-1, format, ap); |
0b76cd63 AT |
75 | va_end(ap); |
76 | ||
77 | if (len < 0) exit_cleanup(1); | |
78 | ||
45ccc5c0 AT |
79 | if (len > sizeof(buf)-1) exit_cleanup(1); |
80 | ||
ff8b29b8 AT |
81 | buf[len] = 0; |
82 | ||
83 | if (am_daemon) { | |
84 | int priority = LOG_INFO; | |
85 | if (fd == FERROR) priority = LOG_WARNING; | |
45ccc5c0 | 86 | |
1a016bfd | 87 | log_open(); |
8d9dc9f9 AT |
88 | if (!io_multiplex_write(fd, buf, strlen(buf))) { |
89 | syslog(priority, "%s", buf); | |
90 | } | |
91 | ||
92 | depth--; | |
ff8b29b8 | 93 | return; |
0b76cd63 AT |
94 | } |
95 | ||
ff8b29b8 AT |
96 | if (fd == FERROR) { |
97 | f = stderr; | |
98 | } | |
99 | ||
100 | if (fd == FINFO) { | |
101 | extern int am_server; | |
102 | if (am_server) | |
103 | f = stderr; | |
104 | else | |
105 | f = stdout; | |
106 | } | |
107 | ||
0b76cd63 AT |
108 | if (!f) exit_cleanup(1); |
109 | ||
110 | if (fwrite(buf, len, 1, f) != 1) exit_cleanup(1); | |
8d9dc9f9 | 111 | |
bcf5b133 | 112 | if (buf[len-1] == '\r' || buf[len-1] == '\n') fflush(f); |
eb86d661 | 113 | |
8d9dc9f9 | 114 | depth--; |
0b76cd63 AT |
115 | } |
116 | ||
117 | void rflush(int fd) | |
118 | { | |
119 | FILE *f = NULL; | |
120 | extern int am_daemon; | |
121 | ||
122 | if (am_daemon) { | |
123 | return; | |
124 | } | |
125 | ||
126 | if (fd == FERROR) { | |
127 | f = stderr; | |
128 | } | |
129 | ||
130 | if (fd == FINFO) { | |
131 | extern int am_server; | |
132 | if (am_server) | |
133 | f = stderr; | |
134 | else | |
135 | f = stdout; | |
136 | } | |
137 | ||
138 | if (!f) exit_cleanup(1); | |
139 | fflush(f); | |
140 | } | |
141 |