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 "sprintf_irc.h"
  42 #include "send.h"
  43 #include "client.h"
  44 #include "s_serv.h"
  45
  46 static FILE *log_main;
  47 static FILE *log_user;
  48 static FILE *log_fuser;
  49 static FILE *log_oper;
  50 static FILE *log_foper;
  51 static FILE *log_server;
  52 static FILE *log_kill;
  53 static FILE *log_kline;
  54 static FILE *log_operspy;
  55 static FILE *log_ioerror;
  56
  57 struct log_struct
  58 {
  59         char **name;
  60         FILE **logfile;
  61 };
  62
  63 static struct log_struct log_table[LAST_LOGFILE] =
  64 {
  65         { NULL,                                 &log_main       },
  66         { &ConfigFileEntry.fname_userlog,       &log_user       },
  67         { &ConfigFileEntry.fname_fuserlog,      &log_fuser      },
  68         { &ConfigFileEntry.fname_operlog,       &log_oper       },
  69         { &ConfigFileEntry.fname_foperlog,      &log_foper      },
  70         { &ConfigFileEntry.fname_serverlog,     &log_server     },
  71         { &ConfigFileEntry.fname_killlog,       &log_kill       },
  72         { &ConfigFileEntry.fname_klinelog,      &log_kline      },
  73         { &ConfigFileEntry.fname_operspylog,    &log_operspy    },
  74         { &ConfigFileEntry.fname_ioerrorlog,    &log_ioerror    }
  75 };
  76
  77 void
  78 init_main_logfile(void)
  79 {
  80         if(log_main == NULL)
  81                 log_main = fopen(logFileName, "a");
  82 }
  83
  84 void
  85 open_logfiles(void)
  86 {
  87         int i;
  88
  89         if(log_main != NULL)
  90                 fclose(log_main);
  91
  92         log_main = fopen(logFileName, "a");
  93
  94         /* log_main is handled above, so just do the rest */
  95         for(i = 1; i < LAST_LOGFILE; i++)
  96         {
  97                 /* close open logfiles */
  98                 if(*log_table[i].logfile != NULL)
  99                 {
 100                         fclose(*log_table[i].logfile);
 101                         *log_table[i].logfile = NULL;
 102                 }
 103
 104                 /* reopen those with paths */
 105                 if(!EmptyString(*log_table[i].name))
 106                         *log_table[i].logfile = fopen(*log_table[i].name, "a");
 107         }
 108 }
 109
 110 void
 111 ilog(ilogfile dest, const char *format, ...)
 112 {
 113         FILE *logfile = *log_table[dest].logfile;
 114         char buf[BUFSIZE];
 115         char buf2[BUFSIZE];
 116         va_list args;
 117
 118         if(logfile == NULL)
 119                 return;
 120
 121         va_start(args, format);
 122         rb_vsnprintf(buf, sizeof(buf), format, args);
 123         va_end(args);
 124
 125         rb_snprintf(buf2, sizeof(buf2), "%s %s\n", smalldate(), buf);
 126
 127         if(fputs(buf2, logfile) < 0)
 128         {
 129                 fclose(logfile);
 130                 *log_table[dest].logfile = NULL;
 131         }
 132
 133         fflush(logfile);
 134 }
 135
 136 static void
 137 _iprint(const char *domain, const char *buf)
 138 {
 139         if (domain == NULL || buf == NULL)
 140                 return;
 141
 142         fprintf(stderr, "%8s: %s\n", domain, buf);
 143 }
 144
 145 void
 146 inotice(const char *format, ...)
 147 {
 148         char buf[BUFSIZE];
 149         va_list args;
 150
 151         va_start(args, format);
 152         rb_vsnprintf(buf, sizeof(buf), format, args);
 153         va_end(args);
 154
 155         _iprint("notice", buf);
 156
 157         ilog(L_MAIN, "%s", buf);
 158 }
 159
 160 void
 161 iwarn(const char *format, ...)
 162 {
 163         char buf[BUFSIZE];
 164         va_list args;
 165
 166         va_start(args, format);
 167         rb_vsnprintf(buf, sizeof(buf), format, args);
 168         va_end(args);
 169
 170         _iprint("warning", buf);
 171
 172         ilog(L_MAIN, "%s", buf);
 173 }
 174
 175 void
 176 ierror(const char *format, ...)
 177 {
 178         char buf[BUFSIZE];
 179         va_list args;
 180
 181         va_start(args, format);
 182         rb_vsnprintf(buf, sizeof(buf), format, args);
 183         va_end(args);
 184
 185         _iprint("error", buf);
 186
 187         ilog(L_MAIN, "%s", buf);
 188 }
 189
 190 void
 191 report_operspy(struct Client *source_p, const char *token, const char *arg)
 192 {
 193         /* if its not my client its already propagated */
 194         if(MyClient(source_p))
 195                 sendto_match_servs(source_p, "*", CAP_ENCAP, NOCAPS,
 196                                    "ENCAP * OPERSPY %s %s",
 197                                    token, arg ? arg : "");
 198
 199         sendto_realops_snomask(SNO_OPERSPY,
 200                              ConfigFileEntry.operspy_admin_only ? L_ADMIN : L_ALL,
 201                              "OPERSPY %s %s %s",
 202                              get_oper_name(source_p), token,
 203                              arg ? arg : "");
 204
 205         ilog(L_OPERSPY, "OPERSPY %s %s %s",
 206              get_oper_name(source_p), token, arg ? arg : "");
 207 }
 208
 209 const char *
 210 smalldate(void)
 211 {
 212         static char buf[MAX_DATE_STRING];
 213         struct tm *lt;
 214         time_t ltime = rb_current_time();
 215
 216         lt = localtime(&ltime);
 217
 218         rb_snprintf(buf, sizeof(buf), "%d/%d/%d %02d.%02d",
 219                     lt->tm_year + 1900, lt->tm_mon + 1,
 220                     lt->tm_mday, lt->tm_hour, lt->tm_min);
 221
 222         return buf;
 223 }
 224
 225 void
 226 ilog_error(const char *error)
 227 {
 228         ilog(L_IOERROR, "%s: %d (%s)", error, errno, strerror(errno));
 229
 230         sendto_realops_snomask(SNO_DEBUG, L_ALL, "%s: %d (%s)", error, errno, strerror(errno));
 231 }