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 | ||
e0414f42 AT |
28 | |
29 | /**************************************************************************** | |
30 | return the date and time as a string | |
31 | ****************************************************************************/ | |
32 | static char *timestring(void ) | |
33 | { | |
34 | static char TimeBuf[200]; | |
35 | time_t t = time(NULL); | |
36 | struct tm *tm = localtime(&t); | |
37 | ||
38 | #ifdef HAVE_STRFTIME | |
39 | strftime(TimeBuf,sizeof(TimeBuf)-1,"%Y/%m/%d %T",tm); | |
40 | #else | |
41 | strlcpy(TimeBuf, asctime(tm), sizeof(TimeBuf)-1); | |
42 | #endif | |
43 | ||
44 | if (TimeBuf[strlen(TimeBuf)-1] == '\n') { | |
35bdd146 | 45 | TimeBuf[strlen(TimeBuf)-1] = 0; |
e0414f42 AT |
46 | } |
47 | ||
48 | return(TimeBuf); | |
49 | } | |
50 | ||
4f6325c3 AT |
51 | static void logit(int priority, char *buf) |
52 | { | |
53 | if (logfile) { | |
e0414f42 | 54 | fprintf(logfile,"%s %s", timestring(), buf); |
4f6325c3 AT |
55 | fflush(logfile); |
56 | } else { | |
57 | syslog(priority, "%s", buf); | |
58 | } | |
59 | } | |
e42c9458 | 60 | |
1a016bfd AT |
61 | void log_open(void) |
62 | { | |
63 | static int initialised; | |
64 | int options = LOG_PID; | |
bcf5b133 | 65 | time_t t; |
1a016bfd AT |
66 | |
67 | if (initialised) return; | |
68 | initialised = 1; | |
69 | ||
4f6325c3 AT |
70 | if (lp_log_file()) { |
71 | logfile = fopen(lp_log_file(), "a"); | |
72 | return; | |
73 | } | |
74 | ||
1a016bfd AT |
75 | #ifdef LOG_NDELAY |
76 | options |= LOG_NDELAY; | |
77 | #endif | |
78 | ||
79 | #ifdef LOG_DAEMON | |
80 | openlog("rsyncd", options, lp_syslog_facility()); | |
81 | #else | |
82 | openlog("rsyncd", options); | |
83 | #endif | |
84 | ||
85 | #ifndef LOG_NDELAY | |
4f6325c3 | 86 | logit(LOG_INFO,"rsyncd started\n"); |
1a016bfd | 87 | #endif |
bcf5b133 AT |
88 | |
89 | /* this looks pointless, but it is needed in order for the | |
90 | C library on some systems to fetch the timezone info | |
91 | before the chroot */ | |
92 | t = time(NULL); | |
93 | localtime(&t); | |
1a016bfd AT |
94 | } |
95 | ||
96 | ||
0b76cd63 AT |
97 | /* this is the rsync debugging function. Call it with FINFO or FERROR */ |
98 | void rprintf(int fd, const char *format, ...) | |
99 | { | |
100 | va_list ap; | |
101 | char buf[1024]; | |
102 | int len; | |
103 | FILE *f=NULL; | |
104 | extern int am_daemon; | |
8d9dc9f9 AT |
105 | /* recursion can happen with certain fatal conditions */ |
106 | static int depth; | |
107 | ||
108 | if (depth) return; | |
109 | ||
110 | depth++; | |
0b76cd63 AT |
111 | |
112 | va_start(ap, format); | |
e42c9458 | 113 | len = vslprintf(buf, sizeof(buf)-1, format, ap); |
0b76cd63 AT |
114 | va_end(ap); |
115 | ||
116 | if (len < 0) exit_cleanup(1); | |
117 | ||
45ccc5c0 AT |
118 | if (len > sizeof(buf)-1) exit_cleanup(1); |
119 | ||
ff8b29b8 AT |
120 | buf[len] = 0; |
121 | ||
122 | if (am_daemon) { | |
123 | int priority = LOG_INFO; | |
124 | if (fd == FERROR) priority = LOG_WARNING; | |
45ccc5c0 | 125 | |
1a016bfd | 126 | log_open(); |
8d9dc9f9 | 127 | if (!io_multiplex_write(fd, buf, strlen(buf))) { |
4f6325c3 | 128 | logit(priority, buf); |
8d9dc9f9 AT |
129 | } |
130 | ||
131 | depth--; | |
ff8b29b8 | 132 | return; |
0b76cd63 AT |
133 | } |
134 | ||
ff8b29b8 AT |
135 | if (fd == FERROR) { |
136 | f = stderr; | |
137 | } | |
138 | ||
139 | if (fd == FINFO) { | |
140 | extern int am_server; | |
141 | if (am_server) | |
142 | f = stderr; | |
143 | else | |
144 | f = stdout; | |
145 | } | |
146 | ||
0b76cd63 AT |
147 | if (!f) exit_cleanup(1); |
148 | ||
149 | if (fwrite(buf, len, 1, f) != 1) exit_cleanup(1); | |
8d9dc9f9 | 150 | |
bcf5b133 | 151 | if (buf[len-1] == '\r' || buf[len-1] == '\n') fflush(f); |
eb86d661 | 152 | |
8d9dc9f9 | 153 | depth--; |
0b76cd63 AT |
154 | } |
155 | ||
156 | void rflush(int fd) | |
157 | { | |
158 | FILE *f = NULL; | |
159 | extern int am_daemon; | |
160 | ||
161 | if (am_daemon) { | |
162 | return; | |
163 | } | |
164 | ||
165 | if (fd == FERROR) { | |
166 | f = stderr; | |
167 | } | |
168 | ||
169 | if (fd == FINFO) { | |
170 | extern int am_server; | |
171 | if (am_server) | |
172 | f = stderr; | |
173 | else | |
174 | f = stdout; | |
175 | } | |
176 | ||
177 | if (!f) exit_cleanup(1); | |
178 | fflush(f); | |
179 | } | |
180 |