dansguardian_log.c

   1 /*
   2  * SARG Squid Analysis Report Generator      http://sarg.sourceforge.net
   3  *                                                            1998, 2013
   4  *
   5  * SARG donations:
   6  *      please look at http://sarg.sourceforge.net/donations.php
   7  * Support:
   8  *     http://sourceforge.net/projects/sarg/forums/forum/363374
   9  * ---------------------------------------------------------------------
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published by
  13  *  the Free Software Foundation; either version 2 of the License, or
  14  *  (at your option) any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful,
  17  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *  GNU General Public License for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License
  22  *  along with this program; if not, write to the Free Software
  23  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  24  *
  25  */
  26
  27 #include "include/conf.h"
  28 #include "include/defs.h"
  29
  30 void dansguardian_log(void)
  31 {
  32         FILE *fp_in = NULL, *fp_ou = NULL, *fp_guard = NULL;
  33         char buf[MAXLEN];
  34         char guard_in[MAXLEN];
  35         char guard_ou[MAXLEN];
  36         char loglocation[MAXLEN] = "/var/log/dansguardian/access.log";
  37         int year, mon, day;
  38         int hour;
  39         char minsec[15];
  40         char user[MAXLEN], code1[255], code2[255];
  41         char ip[45];
  42         char *url;
  43         char tmp6[MAXLEN];
  44         int  idata=0;
  45         int cstatus;
  46         int dfrom, duntil;
  47         struct getwordstruct gwarea;
  48
  49         dfrom=(period.start.tm_year+1900)*10000+(period.start.tm_mon+1)*100+period.start.tm_mday;
  50         duntil=(period.end.tm_year+1900)*10000+(period.end.tm_mon+1)*100+period.end.tm_mday;
  51
  52         snprintf(guard_in,sizeof(guard_in),"%s/dansguardian.int_unsort",tmp);
  53         snprintf(guard_ou,sizeof(guard_ou),"%s/dansguardian.int_log",tmp);
  54
  55         if((fp_guard=fopen(DansGuardianConf,"r"))==NULL) {
  56                 debugapos("dansguardian",_("Cannot open file \"%s\": %s\n"),DansGuardianConf,strerror(errno));
  57                 exit(EXIT_FAILURE);
  58         }
  59
  60         if((fp_ou=MY_FOPEN(guard_in,"a"))==NULL) {
  61                 debugapos("dansguardian",_("Cannot open file \"%s\": %s\n"),guard_in,strerror(errno));
  62                 exit(EXIT_FAILURE);
  63         }
  64
  65         while(fgets(buf,sizeof(buf),fp_guard)!=NULL) {
  66                 fixendofline(buf);
  67                 if(buf[0]=='#')
  68                         continue;
  69                 if(strstr(buf,"loglocation ") != 0) {
  70                         getword_start(&gwarea,buf);
  71                         if (getword_skip(MAXLEN,&gwarea,'\'')<0 || getword(loglocation,sizeof(loglocation),&gwarea,'\'')<0) {
  72                                 debuga(_("Invalid record in file \"%s\"\n"),DansGuardianConf);
  73                                 exit(EXIT_FAILURE);
  74                         }
  75                         if (debug) debuga(_("Using the dansguardian log file \"%s\" found in your configuration file \"%s\"\n"),
  76                                 loglocation,DansGuardianConf);
  77                         break;
  78                 }
  79         }
  80
  81         if(debug)
  82                 debuga(_("Reading DansGuardian log file \"%s\"\n"),loglocation);
  83
  84         if((fp_in=MY_FOPEN(loglocation,"r"))==NULL) {
  85                 debugapos("dansguardian",_("Cannot open file \"%s\": %s\n"),loglocation,strerror(errno));
  86                 exit(EXIT_FAILURE);
  87         }
  88
  89         while(fgets(buf,sizeof(buf),fp_in) != NULL) {
  90                 if(strstr(buf," *DENIED* ") == 0)
  91                         continue;
  92                 getword_start(&gwarea,buf);
  93                 if (getword_atoi(&year,&gwarea,'.')<0 || getword_atoi(&mon,&gwarea,'.')<0 ||
  94                     getword_atoi(&day,&gwarea,' ')<0) {
  95                         debuga(_("Invalid date in file \"%s\"\n"),loglocation);
  96                         exit(EXIT_FAILURE);
  97                 }
  98                 if (getword_atoi(&hour,&gwarea,':')<0 || getword(minsec,sizeof(minsec),&gwarea,' ')<0) {
  99                         debuga(_("Invalid time in file \"%s\"\n"),loglocation);
 100                         exit(EXIT_FAILURE);
 101                 }
 102                 if (getword(user,sizeof(user),&gwarea,' ')<0) {
 103                         debuga(_("Invalid user in file \"%s\"\n"),loglocation);
 104                         exit(EXIT_FAILURE);
 105                 }
 106                 if (getword(ip,sizeof(ip),&gwarea,' ')<0) {
 107                         debuga(_("Invalid IP address in file \"%s\"\n"),loglocation);
 108                         exit(EXIT_FAILURE);
 109                 }
 110                 if (getword_skip(MAXLEN,&gwarea,'/')<0 || getword_skip(MAXLEN,&gwarea,'/')<0) {
 111                         debuga(_("Invalid record in file \"%s\"\n"),loglocation);
 112                         exit(EXIT_FAILURE);
 113                 }
 114                 if (getword_ptr(buf,&url,&gwarea,' ')<0) {
 115                         debuga(_("Invalid url in file \"%s\"\n"),loglocation);
 116                         exit(EXIT_FAILURE);
 117                 }
 118                 if (getword_skip(255,&gwarea,' ')<0 ||
 119                     getword(code1,sizeof(code1),&gwarea,' ')<0 || getword(code2,sizeof(code2),&gwarea,' ')<0) {
 120                         debuga(_("Invalid record in file \"%s\"\n"),loglocation);
 121                         exit(EXIT_FAILURE);
 122                 }
 123                 idata = year*10000+mon*100+day;
 124
 125                 if(DansguardianFilterOutDate) {
 126                         if(idata < dfrom || idata > duntil)
 127                                 continue;
 128                 }
 129
 130                 if (strcmp(user,"-") == 0) {
 131                         strcpy(user,ip);
 132                         ip[0]='\0';
 133                 }
 134                 fprintf(fp_ou,"%s\t%d\t%02d:%s\t%s\t%s\t%s\t%s\n",user,idata,hour,minsec,ip,url,code1,code2);
 135                 dansguardian_count++;
 136         }
 137
 138         if(fp_in) fclose(fp_in);
 139         if(fp_guard) fclose(fp_guard);
 140         if(fp_ou) fclose(fp_ou);
 141
 142         if(debug)
 143                 debuga(_("Sorting file \"%s\"\n"),guard_ou);
 144
 145         snprintf(tmp6,sizeof(tmp6),"sort -t \"\t\" -k 1,1 -k 2,2 -k 4,4 \"%s\" -o \"%s\"",guard_in, guard_ou);
 146         cstatus=system(tmp6);
 147         if (!WIFEXITED(cstatus) || WEXITSTATUS(cstatus)) {
 148                 debuga(_("sort command return status %d\n"),WEXITSTATUS(cstatus));
 149                 debuga(_("sort command: %s\n"),tmp6);
 150                 exit(EXIT_FAILURE);
 151         }
 152         if (!KeepTempLog && unlink(guard_in)) {
 153                 debuga(_("Cannot delete \"%s\": %s\n"),guard_in,strerror(errno));
 154                 exit(EXIT_FAILURE);
 155         }
 156 }