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root/svn/ircd-hybrid/trunk/src/log.c
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Comparing:
ircd-hybrid/src/s_log.c (file contents), Revision 1155 by michael, Tue Aug 9 20:27:45 2011 UTC vs.
ircd-hybrid/trunk/src/log.c (file contents), Revision 4340 by michael, Sat Aug 2 16:53:22 2014 UTC

# Line 1 | Line 1
1   /*
2 < *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 < *  s_log.c: Logger functions.
2 > *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3   *
4 < *  Copyright (C) 2002 by the past and present ircd coders, and others.
4 > *  Copyright (c) 1997-2014 ircd-hybrid development team
5   *
6   *  This program is free software; you can redistribute it and/or modify
7   *  it under the terms of the GNU General Public License as published by
# Line 18 | Line 17
17   *  along with this program; if not, write to the Free Software
18   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19   *  USA
21 *
22 *  $Id$
20   */
21  
22 < #include "stdinc.h"
22 > /*! \file log.c
23 > * \brief Logger functions.
24 > * \version $Id$
25 > */
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"
40 < #include "fileio.h"
27 > #include "stdinc.h"
28 > #include "log.h"
29   #include "irc_string.h"
42 #include "sprintf_irc.h"
30   #include "ircd.h"
31 < #include "s_misc.h"
32 < #include "event.h"      /* Needed for EVH etc. */
46 < #include "s_conf.h"
47 < #include "memory.h"
48 <
49 < /* some older syslogs would overflow at 2024 */
50 < #define LOG_BUFSIZE 2000
31 > #include "conf.h"
32 > #include "misc.h"
33  
52 static FBFILE *logFile;
53 static int logLevel = INIT_LOG_LEVEL;
34  
35 < #ifndef SYSLOG_USERS
56 < static EVH user_log_resync;
57 < static FBFILE *user_log_fb = NULL;
58 < #endif
59 <
60 <
61 < #ifdef USE_SYSLOG
62 < static const int sysLogLevel[] =
35 > static struct
36   {
37 <  LOG_CRIT,
38 <  LOG_ERR,
39 <  LOG_WARNING,
40 <  LOG_NOTICE,
68 <  LOG_INFO,
69 <  LOG_INFO,
70 <  LOG_INFO
71 < };
72 < #endif
37 >  char path[HYB_PATH_MAX + 1];
38 >  size_t size;
39 >  FILE *file;
40 > } log_type_table[LOG_TYPE_LAST];
41  
74 static const char *logLevelToString[] =
75 {
76  "L_CRIT",
77  "L_ERROR",
78  "L_WARN",
79  "L_NOTICE",
80  "L_TRACE",
81  "L_INFO",
82  "L_DEBUG"
83 };
42  
43 < /*
44 < * open_log - open ircd logging file
87 < * returns true (1) if successful, false (0) otherwise
88 < */
89 < static int
90 < open_log(const char *filename)
43 > void
44 > log_set_file(enum log_type type, size_t size, const char *path)
45   {
46 <  logFile = fbopen(filename, "a");
46 >  strlcpy(log_type_table[type].path, path, sizeof(log_type_table[type].path));
47 >  log_type_table[type].size = size;
48  
49 <  if (logFile == NULL)
50 <  {
96 < #ifdef USE_SYSLOG
97 <    syslog(LOG_ERR, "Unable to open log file: %s: %s",
98 <           filename, strerror(errno));
99 < #endif
100 <    return (0);
101 <  }
102 <
103 <  return (1);
49 >  if (type == LOG_TYPE_IRCD)
50 >    log_type_table[type].file = fopen(log_type_table[type].path, "a");
51   }
52  
106 static void
107 write_log(const char *message)
108 {
109  char buf[LOG_BUFSIZE];
110  size_t nbytes = 0;
111
112  if (logFile == NULL)
113    return;
114
115  nbytes = snprintf(buf, sizeof(buf), "[%s] %s\n",
116                    smalldate(CurrentTime), message);
117
118  fbputs(buf, logFile, nbytes);
119 }
120  
53   void
54 < ilog(const int priority, const char *fmt, ...)
54 > log_del_all(void)
55   {
56 <  char buf[LOG_BUFSIZE];
125 <  va_list args;
126 <
127 <  assert(priority > -1);
128 <
129 <  if (fmt == NULL)
130 <    return;
56 >  unsigned int type = 0;
57  
58 <  if (priority > logLevel)
59 <    return;
134 <
135 <  va_start(args, fmt);
136 <  vsnprintf(buf, sizeof(buf), fmt, args);
137 <  va_end(args);
138 <
139 < #ifdef USE_SYSLOG  
140 <  if (priority <= L_DEBUG)
141 <    syslog(sysLogLevel[priority], "%s", buf);
142 < #endif
143 <  if (ConfigLoggingEntry.use_logging)
144 <    write_log(buf);
145 < }
146 <  
147 < void
148 < init_log(const char *filename)
149 < {
150 <  open_log(filename);
151 < #ifdef USE_SYSLOG
152 <  openlog("ircd", LOG_PID | LOG_NDELAY, LOG_FACILITY);
153 < #endif
154 < #ifndef SYSLOG_USERS
155 <  eventAddIsh("user_log_resync", user_log_resync, NULL, 60);
156 < #endif
58 >  while (++type < LOG_TYPE_LAST)
59 >    log_type_table[type].path[0] = '\0';
60   }
61  
62   void
63 < reopen_log(const char *filename)
63 > log_reopen_all(void)
64   {
65 <  if (logFile != NULL)
163 <    fbclose(logFile);
164 <  open_log(filename);
165 < }
65 >  unsigned int type = 0;
66  
67 < void
68 < set_log_level(const int level)
69 < {
70 <  if (L_ERROR < level && level <= L_DEBUG)
71 <    logLevel = level;
72 < }
67 >  while (++type < LOG_TYPE_LAST)
68 >  {
69 >    if (log_type_table[type].file)
70 >    {
71 >      fclose(log_type_table[type].file);
72 >      log_type_table[type].file = NULL;
73 >    }
74  
75 < int
76 < get_log_level(void)
77 < {
177 <  return(logLevel);
75 >    if (log_type_table[type].path[0])
76 >      log_type_table[type].file = fopen(log_type_table[type].path, "a");
77 >  }
78   }
79  
80 < const char *
81 < get_log_level_as_string(int level)
80 > static int
81 > log_exceed_size(unsigned int type)
82   {
83 <  if (level > L_DEBUG)
184 <    level = L_DEBUG;
185 <  else if (level < L_ERROR)
186 <    level = L_ERROR;
83 >  struct stat sb;
84  
85 <  return(logLevelToString[level]);
86 < }
85 >  if (!log_type_table[type].size)
86 >    return 0;
87  
88 < /* log_user_exit()
89 < *
193 < * inputs       - pointer to connecting client
194 < * output       - NONE
195 < * side effects - Current exiting client is logged to
196 < *                either SYSLOG or to file.
197 < */
198 < void
199 < log_user_exit(struct Client *source_p)
200 < {
201 <  time_t on_for = CurrentTime - source_p->firsttime;
202 < #ifdef SYSLOG_USERS
203 <  if (IsClient(source_p))
204 <  {
205 <    ilog(L_INFO, "%s (%3u:%02u:%02u): %s!%s@%s %llu/%llu",
206 <         myctime(source_p->firsttime), (unsigned int)(on_for / 3600),
207 <         (unsigned int)((on_for % 3600)/60), (unsigned int)(on_for % 60),
208 <         source_p->name, source_p->username, source_p->host,
209 <         source_p->localClient->send.bytes>>10,
210 <         source_p->localClient->recv.bytes>>10);
211 <    }
212 < #else
213 <  {
214 <    char linebuf[BUFSIZ];
88 >  if (stat(log_type_table[type].path, &sb) < 0)
89 >    return -1;
90  
91 <    /*
217 <     * This conditional makes the logfile active only after
218 <     * it's been created - thus logging can be turned off by
219 <     * removing the file.
220 <     * -Taner
221 <     */
222 <    if (IsClient(source_p))
223 <    {
224 <      if (user_log_fb == NULL)
225 <      {
226 <        if ((ConfigLoggingEntry.userlog[0] != '\0') &&
227 <           (user_log_fb = fbopen(ConfigLoggingEntry.userlog, "r")) != NULL)
228 <        {
229 <          fbclose(user_log_fb);
230 <          user_log_fb = fbopen(ConfigLoggingEntry.userlog, "a");
231 <        }
232 <      }
233 <
234 <      if (user_log_fb != NULL)
235 <      {
236 <        size_t nbytes = ircsprintf(linebuf,
237 <                   "%s (%3u:%02u:%02u): %s!%s@%s %llu/%llu\n",
238 <                   myctime(source_p->firsttime),
239 <                   (unsigned int)(on_for / 3600),
240 <                   (unsigned int)((on_for % 3600)/60),
241 <                   (unsigned int)(on_for % 60),
242 <                   source_p->name, source_p->username, source_p->host,
243 <                   source_p->localClient->send.bytes>>10,
244 <                   source_p->localClient->recv.bytes>>10);
245 <        fbputs(linebuf, user_log_fb, nbytes);
246 <      }
247 <    }
248 <  }
249 < #endif
91 >  return (size_t)sb.st_size > log_type_table[type].size;
92   }
93  
252 #ifndef SYSLOG_USERS
253 /* user_log_resync()
254 *
255 * inputs       - NONE
256 * output       - NONE
257 * side effects -
258 */
94   static void
95 < user_log_resync(void *notused)
95 > log_write(enum log_type type, const char *message)
96   {
97 <  if (user_log_fb != NULL)
98 <  {
99 <    fbclose(user_log_fb);
100 <    user_log_fb = NULL;
101 <  }
97 >  char buf[IRCD_BUFSIZE] = "";
98 >
99 >  strftime(buf, sizeof(buf), "[%FT%H:%M:%S%z]", localtime(&CurrentTime));
100 >
101 >  fprintf(log_type_table[type].file, "%s %s\n", buf, message);
102 >  fflush(log_type_table[type].file);
103   }
268 #endif
104  
270 /* log_oper_action()
271 *
272 * inputs       - type of oper log entry
273 *              - pointer to oper
274 *              - const char *pattern == format string
275 *              - var args for format string
276 * output       - none
277 * side effects - corresponding log is written to, if its present.
278 *
279 * rewritten sept 5 2005 - Dianora
280 */
105   void
106 < log_oper_action(int log_type, const struct Client *source_p,
283 <                const char *pattern, ...)
106 > ilog(enum log_type type, const char *fmt, ...)
107   {
108 +  char buf[LOG_BUFSIZE] = "";
109    va_list args;
286  char linebuf[IRCD_BUFSIZE];
287  FBFILE *log_fb;
288  char *logfile;
289  const char *log_message;
290  size_t nbytes;
291  size_t n_preamble;
292  char *p;
110  
111 <  switch(log_type)
295 <  {
296 <  case LOG_OPER_TYPE:
297 <    logfile = ConfigLoggingEntry.operlog;
298 <    log_message = "OPER";
299 <    break;
300 <  case LOG_FAILED_OPER_TYPE:
301 <    logfile = ConfigLoggingEntry.failed_operlog;
302 <    log_message = "FAILED OPER";
303 <    break;
304 <  case LOG_KLINE_TYPE:
305 <    logfile = ConfigLoggingEntry.klinelog;
306 <    log_message = "KLINE";
307 <    break;
308 <  case LOG_RKLINE_TYPE:
309 <    logfile = ConfigLoggingEntry.klinelog;
310 <    log_message = "RKLINE";
311 <    break;
312 <  case LOG_DLINE_TYPE:
313 <    logfile = ConfigLoggingEntry.klinelog;
314 <    log_message = "DLINE";
315 <    break;
316 <  case LOG_TEMP_DLINE_TYPE:
317 <    logfile = ConfigLoggingEntry.klinelog;
318 <    log_message = "TEMP DLINE";
319 <    break;
320 <  case LOG_TEMP_KLINE_TYPE:
321 <    logfile = ConfigLoggingEntry.klinelog;
322 <    log_message = "TEMP KLINE";
323 <    break;
324 <  case LOG_GLINE_TYPE:
325 <    logfile = ConfigLoggingEntry.glinelog;
326 <    log_message = "GLINE";
327 <    break;
328 <  case LOG_KILL_TYPE:
329 <    logfile = ConfigLoggingEntry.killlog;
330 <    log_message = "KILL";
331 <    break;
332 <  case LOG_IOERR_TYPE:
333 <    logfile = ConfigLoggingEntry.ioerrlog;
334 <    log_message = "IO ERR";
335 <    break;
336 <  default:
111 >  if (!log_type_table[type].file || !ConfigLog.use_logging)
112      return;
338  }
113  
114 <  if (*logfile == '\0')
115 <    return;
114 >  va_start(args, fmt);
115 >  vsnprintf(buf, sizeof(buf), fmt, args);
116 >  va_end(args);
117  
118 <  p = linebuf;
344 <  if (source_p != NULL)
345 <  {
346 <    n_preamble = ircsprintf(linebuf, "%s %s by (%s!%s@%s) :",
347 <                            myctime(CurrentTime), log_message,
348 <                            source_p->name, source_p->username, source_p->host);
118 >  log_write(type, buf);
119  
120 <  }
121 <  else
352 <  {
353 <    n_preamble = ircsprintf(linebuf, "%s %s :",
354 <                            myctime(CurrentTime), log_message);
355 <  }
120 >  if (log_exceed_size(type) <= 0)
121 >    return;
122  
123 <  p += n_preamble;
123 >  snprintf(buf, sizeof(buf), "Rotating logfile %s",
124 >           log_type_table[type].path);
125 >  log_write(type, buf);
126 >
127 >  fclose(log_type_table[type].file);
128 >  log_type_table[type].file = NULL;
129 >
130 >  snprintf(buf, sizeof(buf), "%s.old", log_type_table[type].path);
131 >  unlink(buf);
132 >  rename(log_type_table[type].path, buf);
133  
134 <  if ((log_fb = fbopen(logfile, "r")) != NULL)
135 <  {
361 <    fbclose(log_fb);
362 <    log_fb = fbopen(logfile, "a");
363 <    if (log_fb == NULL)
364 <      return;
365 <    va_start(args, pattern);
366 <    /* XXX add check for IRCD_BUFSIZE-(n_preamble+1) < 0 ? -db */
367 <    nbytes = vsnprintf(p, IRCD_BUFSIZE-(n_preamble+1), pattern, args);
368 <    nbytes += n_preamble;
369 <    va_end(args);
370 <    fbputs(linebuf, log_fb, nbytes);
371 <    fbclose(log_fb);
372 <  }
134 >  log_set_file(type, log_type_table[type].size, log_type_table[type].path);
135 >  log_type_table[type].file = fopen(log_type_table[type].path, "a");
136   }

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