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root/svn/ircd-hybrid/trunk/src/log.c
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Comparing:
ircd-hybrid-7.2/src/s_log.c (file contents), Revision 581 by michael, Tue May 2 07:50:39 2006 UTC vs.
ircd-hybrid-8/src/log.c (file contents), Revision 1319 by michael, Thu Mar 29 11:06:05 2012 UTC

# Line 1 | Line 1
1   /*
2   *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 < *  s_log.c: Logger functions.
3 > *  log.c: Logger functions.
4   *
5   *  Copyright (C) 2002 by the past and present ircd coders, and others.
6   *
# Line 24 | Line 24
24  
25   #include "stdinc.h"
26  
27 < #ifdef USE_SYSLOG
28 < # ifdef HAVE_SYS_SYSLOG_H
29 < #  include <sys/syslog.h>
30 < # else
31 < #  ifdef HAVE_SYSLOG_H
32 < #   include <syslog.h>
33 < #  endif
34 < # endif
35 < #endif
36 <
37 < #include "client.h"     /* Needed for struct Client */
38 < #include "common.h"
39 < #include "s_log.h"
27 > #include "log.h"
28   #include "fileio.h"
29   #include "irc_string.h"
42 #include "sprintf_irc.h"
30   #include "ircd.h"
31 + #include "conf.h"
32 + #include "send.h"
33   #include "s_misc.h"
45 #include "event.h"      /* Needed for EVH etc. */
46 #include "s_conf.h"
47 #include "memory.h"
34  
49 /* some older syslogs would overflow at 2024 */
50 #define LOG_BUFSIZE 2000
35  
36 < static FBFILE *logFile;
37 < static int logLevel = INIT_LOG_LEVEL;
36 > static struct {
37 >  char path[PATH_MAX + 1];
38 >  size_t size;
39 >  FBFILE *file;
40 > } log_type_table[LOG_TYPE_LAST];
41  
55 #ifndef SYSLOG_USERS
56 static EVH user_log_resync;
57 static FBFILE *user_log_fb = NULL;
58 #endif
42  
43 <
44 < #ifdef USE_SYSLOG
62 < static const int sysLogLevel[] =
43 > int
44 > log_add_file(enum log_type type, size_t size, const char *path)
45   {
46 <  LOG_CRIT,
47 <  LOG_ERR,
66 <  LOG_WARNING,
67 <  LOG_NOTICE,
68 <  LOG_INFO,
69 <  LOG_INFO,
70 <  LOG_INFO
71 < };
72 < #endif
46 >  if (log_type_table[type].file)
47 >    fbclose(log_type_table[type].file);
48  
49 < static const char *logLevelToString[] =
50 < {
76 <  "L_CRIT",
77 <  "L_ERROR",
78 <  "L_WARN",
79 <  "L_NOTICE",
80 <  "L_TRACE",
81 <  "L_INFO",
82 <  "L_DEBUG"
83 < };
49 >  strlcpy(log_type_table[type].path, path, sizeof(log_type_table[type].path));
50 >  log_type_table[type].size = size;
51  
52 < /*
53 < * open_log - open ircd logging file
54 < * returns true (1) if successful, false (0) otherwise
55 < */
56 < static int
90 < open_log(const char *filename)
52 >  return (log_type_table[type].file = fbopen(path, "a")) != NULL;
53 > }
54 >
55 > void
56 > log_close_all(void)
57   {
58 <  logFile = fbopen(filename, "a");
58 >  unsigned int type = 0;
59  
60 <  if (logFile == NULL)
60 >  while (++type < LOG_TYPE_LAST)
61    {
62 < #ifdef USE_SYSLOG
63 <    syslog(LOG_ERR, "Unable to open log file: %s: %s",
64 <           filename, strerror(errno));
65 < #endif
66 <    return (0);
62 >    if (log_type_table[type].file == NULL)
63 >      continue;
64 >
65 >    fbclose(log_type_table[type].file);
66 >    log_type_table[type].file = NULL;
67    }
68 + }
69  
70 <  return (1);
70 > static int
71 > log_exceed_size(unsigned int type)
72 > {
73 >  struct stat sb;
74 >
75 >  if (!log_type_table[type].size)
76 >    return 0;
77 >
78 >  if (stat(log_type_table[type].path, &sb) < 0)
79 >    return -1;
80 >
81 >  return (size_t)sb.st_size > log_type_table[type].size;
82   }
83  
84 +
85   static void
86 < write_log(const char *message)
86 > write_log(enum log_type type, const char *message)
87   {
88    char buf[LOG_BUFSIZE];
89    size_t nbytes = 0;
90  
91 <  if (logFile == NULL)
92 <    return;
91 >  if (ConfigLoggingEntry.timestamp)
92 >    nbytes = snprintf(buf, sizeof(buf), "[%s] %s\n",
93 >                      smalldate(CurrentTime), message);
94 >  else
95 >    nbytes = snprintf(buf, sizeof(buf), "%s\n", message);
96  
97 < #ifdef _WIN32
116 <  nbytes = snprintf(buf, sizeof(buf), "[%s] %s\r\n",
117 <                    smalldate(CurrentTime), message);
118 < #else
119 <  nbytes = snprintf(buf, sizeof(buf), "[%s] %s\n",
120 <                    smalldate(CurrentTime), message);
121 < #endif
122 <  fbputs(buf, logFile, nbytes);
97 >  fbputs(buf, log_type_table[type].file, nbytes);
98   }
99    
100   void
101 < ilog(const int priority, const char *fmt, ...)
101 > ilog(enum log_type type, const char *fmt, ...)
102   {
103    char buf[LOG_BUFSIZE];
104    va_list args;
105  
106 <  assert(priority > -1);
132 <
133 <  if (fmt == NULL)
134 <    return;
135 <
136 <  if (priority > logLevel)
106 >  if (log_type_table[type].file == NULL)
107      return;
108  
109    va_start(args, fmt);
110 <  vsprintf(buf, fmt, args);
110 >  vsnprintf(buf, sizeof(buf), fmt, args);
111    va_end(args);
112  
143 #ifdef USE_SYSLOG  
144  if (priority <= L_DEBUG)
145    syslog(sysLogLevel[priority], "%s", buf);
146 #endif
113    if (ConfigLoggingEntry.use_logging)
148    write_log(buf);
149 }
150  
151 void
152 init_log(const char *filename)
153 {
154  open_log(filename);
155 #ifdef USE_SYSLOG
156  openlog("ircd", LOG_PID | LOG_NDELAY, LOG_FACILITY);
157 #endif
158 #ifndef SYSLOG_USERS
159  eventAddIsh("user_log_resync", user_log_resync, NULL, 60);
160 #endif
161 }
162
163 void
164 reopen_log(const char *filename)
165 {
166  if (logFile != NULL)
167    fbclose(logFile);
168  open_log(filename);
169 }
170
171 void
172 set_log_level(const int level)
173 {
174  if (L_ERROR < level && level <= L_DEBUG)
175    logLevel = level;
176 }
177
178 int
179 get_log_level(void)
180 {
181  return(logLevel);
182 }
183
184 const char *
185 get_log_level_as_string(int level)
186 {
187  if (level > L_DEBUG)
188    level = L_DEBUG;
189  else if (level < L_ERROR)
190    level = L_ERROR;
191
192  return(logLevelToString[level]);
193 }
194
195 /* log_user_exit()
196 *
197 * inputs       - pointer to connecting client
198 * output       - NONE
199 * side effects - Current exiting client is logged to
200 *                either SYSLOG or to file.
201 */
202 void
203 log_user_exit(struct Client *source_p)
204 {
205  time_t on_for = CurrentTime - source_p->firsttime;
206 #ifdef SYSLOG_USERS
207  if (IsClient(source_p))
208  {
209    ilog(L_INFO, "%s (%3u:%02u:%02u): %s!%s@%s %llu/%llu",
210         myctime(source_p->firsttime), on_for / 3600,
211         (on_for % 3600)/60, on_for % 60,
212         source_p->name, source_p->username, source_p->host,
213         source_p->localClient->send.bytes>>10,
214         source_p->localClient->recv.bytes>>10);
215    }
216 #else
217  {
218    char linebuf[BUFSIZ];
219
220    /*
221     * This conditional makes the logfile active only after
222     * it's been created - thus logging can be turned off by
223     * removing the file.
224     * -Taner
225     */
226    if (IsClient(source_p))
227    {
228      if (user_log_fb == NULL)
229      {
230        if ((ConfigLoggingEntry.userlog[0] != '\0') &&
231           (user_log_fb = fbopen(ConfigLoggingEntry.userlog, "r")) != NULL)
232        {
233          fbclose(user_log_fb);
234          user_log_fb = fbopen(ConfigLoggingEntry.userlog, "a");
235        }
236      }
237
238      if (user_log_fb != NULL)
239      {
240        size_t nbytes = ircsprintf(linebuf,
241                   "%s (%3u:%02u:%02u): %s!%s@%s %llu/%llu\n",
242                   myctime(source_p->firsttime),
243                   on_for / 3600,
244                   (on_for % 3600)/60,
245                   on_for % 60,
246                   source_p->name, source_p->username, source_p->host,
247                   source_p->localClient->send.bytes>>10,
248                   source_p->localClient->recv.bytes>>10);
249        fbputs(linebuf, user_log_fb, nbytes);
250      }
251    }
252  }
253 #endif
254 }
255
256 #ifndef SYSLOG_USERS
257 /* user_log_resync()
258 *
259 * inputs       - NONE
260 * output       - NONE
261 * side effects -
262 */
263 static void
264 user_log_resync(void *notused)
265 {
266  if (user_log_fb != NULL)
114    {
115 <    fbclose(user_log_fb);
269 <    user_log_fb = NULL;
270 <  }
271 < }
272 < #endif
115 >    write_log(type, buf);
116  
117 < /* log_oper_action()
275 < *
276 < * inputs       - type of oper log entry
277 < *              - pointer to oper
278 < *              - const char *pattern == format string
279 < *              - var args for format string
280 < * output       - none
281 < * side effects - corresponding log is written to, if its present.
282 < *
283 < * rewritten sept 5 2005 - Dianora
284 < */
285 < void
286 < log_oper_action(int log_type, const struct Client *source_p,
287 <                const char *pattern, ...)
288 < {
289 <  va_list args;
290 <  char linebuf[IRCD_BUFSIZE];
291 <  FBFILE *log_fb;
292 <  char *logfile;
293 <  const char *log_message;
294 <  size_t nbytes;
295 <  size_t n_preamble;
296 <  char *p;
297 <
298 <  switch(log_type)
299 <  {
300 <  case LOG_OPER_TYPE:
301 <    logfile = ConfigLoggingEntry.operlog;
302 <    log_message = "OPER";
303 <    break;
304 <  case LOG_FAILED_OPER_TYPE:
305 <    logfile = ConfigLoggingEntry.failed_operlog;
306 <    log_message = "FAILED OPER";
307 <    break;
308 <  case LOG_KLINE_TYPE:
309 <    logfile = ConfigLoggingEntry.klinelog;
310 <    log_message = "KLINE";
311 <    break;
312 <  case LOG_RKLINE_TYPE:
313 <    logfile = ConfigLoggingEntry.klinelog;
314 <    log_message = "RKLINE";
315 <    break;
316 <  case LOG_DLINE_TYPE:
317 <    logfile = ConfigLoggingEntry.klinelog;
318 <    log_message = "DLINE";
319 <    break;
320 <  case LOG_TEMP_DLINE_TYPE:
321 <    logfile = ConfigLoggingEntry.klinelog;
322 <    log_message = "TEMP DLINE";
323 <    break;
324 <  case LOG_TEMP_KLINE_TYPE:
325 <    logfile = ConfigLoggingEntry.klinelog;
326 <    log_message = "TEMP KLINE";
327 <    break;
328 <  case LOG_GLINE_TYPE:
329 <    logfile = ConfigLoggingEntry.glinelog;
330 <    log_message = "GLINE";
331 <    break;
332 <  case LOG_KILL_TYPE:
333 <    logfile = ConfigLoggingEntry.killlog;
334 <    log_message = "KILL";
335 <    break;
336 <  case LOG_IOERR_TYPE:
337 <    logfile = ConfigLoggingEntry.ioerrlog;
338 <    log_message = "IO ERR";
339 <    break;
340 <  default:
341 <    return;
342 <  }
343 <
344 <  if (*logfile == '\0')
345 <    return;
346 <
347 <  p = linebuf;
348 <  if (source_p != NULL)
349 <  {
350 <    n_preamble = ircsprintf(linebuf, "%s %s by (%s!%s@%s) :",
351 <                            myctime(CurrentTime), log_message,
352 <                            source_p->name, source_p->username, source_p->host);
353 <
354 <  }
355 <  else
356 <  {
357 <    n_preamble = ircsprintf(linebuf, "%s %s :",
358 <                            myctime(CurrentTime), log_message);
359 <  }
360 <
361 <  p += n_preamble;
362 <
363 <  if ((log_fb = fbopen(logfile, "r")) != NULL)
364 <  {
365 <    fbclose(log_fb);
366 <    log_fb = fbopen(logfile, "a");
367 <    if (log_fb == NULL)
117 >    if (log_exceed_size(type) <= 0)
118        return;
119 <    va_start(args, pattern);
120 <    /* XXX add check for IRCD_BUFSIZE-(n_preamble+1) < 0 ? -db */
121 <    nbytes = vsnprintf(p, IRCD_BUFSIZE-(n_preamble+1), pattern, args);
122 <    nbytes += n_preamble;
123 <    va_end(args);
124 <    fbputs(linebuf, log_fb, nbytes);
125 <    fbclose(log_fb);
119 >
120 >    snprintf(buf, sizeof(buf), "Rotating logfile %s",
121 >             log_type_table[type].path);
122 >    write_log(type, buf);
123 >    fbclose(log_type_table[type].file);
124 >    log_type_table[type].file = NULL;
125 >
126 >    snprintf(buf, sizeof(buf), "%s.old", log_type_table[type].path);
127 >    unlink(buf);
128 >    rename(log_type_table[type].path, buf);
129 >    log_add_file(type, log_type_table[type].size, log_type_table[type].path);
130    }
131   }

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