src/logger.c

   1 /*
   2  * charybdis: an advanced Internet Relay Chat Daemon(ircd).
   3  *
   4  * Copyright (C) 2003 Lee H <lee@leeh.co.uk>
   5  * Copyright (C) 2003-2005 ircd-ratbox development team
   6  * Copyright (C) 2008 William Pitcock <nenolod@sacredspiral.co.uk>
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions are
  10  * met:
  11  *
  12  * 1.Redistributions of source code must retain the above copyright notice,
  13  *   this list of conditions and the following disclaimer.
  14  *
  15  * 2.Redistributions in binary form must reproduce the above copyright
  16  *   notice, this list of conditions and the following disclaimer in the
  17  *   documentation and/or other materials provided with the distribution.
  18  *
  19  * 3.The name of the author may not be used to endorse or promote products
  20  *   derived from this software without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  24  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  26  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  27  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  30  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  31  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32  * POSSIBILITY OF SUCH DAMAGE.
  33  *
  34  * $Id: s_log.c 3209 2007-02-11 16:54:43Z jilles $
  35  */
  36
  37 #include "stdinc.h"
  38 #include "ircd_defs.h"
  39 #include "logger.h"
  40 #include "s_conf.h"
  41 #include "send.h"
  42 #include "client.h"
  43 #include "s_serv.h"
  44
  45 static FILE *log_main;
  46 static FILE *log_user;
  47 static FILE *log_fuser;
  48 static FILE *log_oper;
  49 static FILE *log_foper;
  50 static FILE *log_server;
  51 static FILE *log_kill;
  52 static FILE *log_kline;
  53 static FILE *log_operspy;
  54 static FILE *log_ioerror;
  55
  56 struct log_struct
  57 {
  58         char **name;
  59         FILE **logfile;
  60 };
  61
  62 static struct log_struct log_table[LAST_LOGFILE] =
  63 {
  64         { NULL,                                 &log_main       },
  65         { &ConfigFileEntry.fname_userlog,       &log_user       },
  66         { &ConfigFileEntry.fname_fuserlog,      &log_fuser      },
  67         { &ConfigFileEntry.fname_operlog,       &log_oper       },
  68         { &ConfigFileEntry.fname_foperlog,      &log_foper      },
  69         { &ConfigFileEntry.fname_serverlog,     &log_server     },
  70         { &ConfigFileEntry.fname_killlog,       &log_kill       },
  71         { &ConfigFileEntry.fname_klinelog,      &log_kline      },
  72         { &ConfigFileEntry.fname_operspylog,    &log_operspy    },
  73         { &ConfigFileEntry.fname_ioerrorlog,    &log_ioerror    }
  74 };
  75
  76 void
  77 init_main_logfile(void)
  78 {
  79         if(log_main == NULL)
  80                 log_main = fopen(logFileName, "a");
  81 }
  82
  83 void
  84 open_logfiles(void)
  85 {
  86         int i;
  87
  88         close_logfiles();
  89
  90         log_main = fopen(logFileName, "a");
  91
  92         /* log_main is handled above, so just do the rest */
  93         for(i = 1; i < LAST_LOGFILE; i++)
  94         {
  95                 /* reopen those with paths */
  96                 if(!EmptyString(*log_table[i].name))
  97                         *log_table[i].logfile = fopen(*log_table[i].name, "a");
  98         }
  99 }
 100
 101 void
 102 close_logfiles(void)
 103 {
 104         int i;
 105
 106         if(log_main != NULL)
 107                 fclose(log_main);
 108
 109         /* log_main is handled above, so just do the rest */
 110         for(i = 1; i < LAST_LOGFILE; i++)
 111         {
 112                 if(*log_table[i].logfile != NULL)
 113                 {
 114                         fclose(*log_table[i].logfile);
 115                         *log_table[i].logfile = NULL;
 116                 }
 117         }
 118 }
 119
 120 void
 121 ilog(ilogfile dest, const char *format, ...)
 122 {
 123         FILE *logfile = *log_table[dest].logfile;
 124         char buf[BUFSIZE];
 125         char buf2[BUFSIZE];
 126         va_list args;
 127
 128         if(logfile == NULL)
 129                 return;
 130
 131         va_start(args, format);
 132         rb_vsnprintf(buf, sizeof(buf), format, args);
 133         va_end(args);
 134
 135         rb_snprintf(buf2, sizeof(buf2), "%s %s\n", smalldate(), buf);
 136
 137         if(fputs(buf2, logfile) < 0)
 138         {
 139                 fclose(logfile);
 140                 *log_table[dest].logfile = NULL;
 141                 return;
 142         }
 143
 144         fflush(logfile);
 145 }
 146
 147 static void
 148 _iprint(const char *domain, const char *buf)
 149 {
 150         if (domain == NULL || buf == NULL)
 151                 return;
 152
 153         fprintf(stderr, "%8s: %s\n", domain, buf);
 154 }
 155
 156 void
 157 inotice(const char *format, ...)
 158 {
 159         char buf[BUFSIZE];
 160         va_list args;
 161
 162         va_start(args, format);
 163         rb_vsnprintf(buf, sizeof(buf), format, args);
 164         va_end(args);
 165
 166         _iprint("notice", buf);
 167
 168         ilog(L_MAIN, "%s", buf);
 169 }
 170
 171 void
 172 iwarn(const char *format, ...)
 173 {
 174         char buf[BUFSIZE];
 175         va_list args;
 176
 177         va_start(args, format);
 178         rb_vsnprintf(buf, sizeof(buf), format, args);
 179         va_end(args);
 180
 181         _iprint("warning", buf);
 182
 183         ilog(L_MAIN, "%s", buf);
 184 }
 185
 186 void
 187 ierror(const char *format, ...)
 188 {
 189         char buf[BUFSIZE];
 190         va_list args;
 191
 192         va_start(args, format);
 193         rb_vsnprintf(buf, sizeof(buf), format, args);
 194         va_end(args);
 195
 196         _iprint("error", buf);
 197
 198         ilog(L_MAIN, "%s", buf);
 199 }
 200
 201 void
 202 report_operspy(struct Client *source_p, const char *token, const char *arg)
 203 {
 204         /* if its not my client its already propagated */
 205         if(MyClient(source_p))
 206                 sendto_match_servs(source_p, "*", CAP_ENCAP, NOCAPS,
 207                                    "ENCAP * OPERSPY %s %s",
 208                                    token, arg ? arg : "");
 209
 210         sendto_realops_snomask(SNO_OPERSPY,
 211                              ConfigFileEntry.operspy_admin_only ? L_ADMIN : L_ALL,
 212                              "OPERSPY %s %s %s",
 213                              get_oper_name(source_p), token,
 214                              arg ? arg : "");
 215
 216         ilog(L_OPERSPY, "OPERSPY %s %s %s",
 217              get_oper_name(source_p), token, arg ? arg : "");
 218 }
 219
 220 const char *
 221 smalldate(void)
 222 {
 223         static char buf[MAX_DATE_STRING];
 224         struct tm *lt;
 225         time_t ltime = rb_current_time();
 226
 227         lt = localtime(&ltime);
 228
 229         rb_snprintf(buf, sizeof(buf), "%d/%d/%d %02d.%02d",
 230                     lt->tm_year + 1900, lt->tm_mon + 1,
 231                     lt->tm_mday, lt->tm_hour, lt->tm_min);
 232
 233         return buf;
 234 }
 235
 236 void
 237 ilog_error(const char *error)
 238 {
 239         ilog(L_IOERROR, "%s: %d (%s)", error, errno, strerror(errno));
 240
 241         sendto_realops_snomask(SNO_DEBUG, L_ALL, "%s: %d (%s)", error, errno, strerror(errno));
 242 }