dansguardian_log.c

   1 /*
   2  * AUTHOR: Pedro Lineu Orso                         pedro.orso@gmail.com
   3  *                                                            1998, 2008
   4  * SARG Squid Analysis Report Generator      http://sarg.sourceforge.net
   5  *
   6  * SARG donations:
   7  *      please look at http://sarg.sourceforge.net/donations.php
   8  * ---------------------------------------------------------------------
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  23  *
  24  */
  25
  26 #include "include/conf.h"
  27
  28 int dansguardian_log()
  29 {
  30
  31    FILE *fp_in = NULL, *fp_ou = NULL, *fp_guard = NULL;
  32    char guard_in[MAXLEN];
  33    char guard_ou[MAXLEN];
  34    char loglocation[MAXLEN] = "/var/log/dansguardian/access.log";
  35    char year[10], mon[10], day[10];
  36    char hour[15];
  37    char user[MAXLEN], code1[255], code2[255];
  38    char ip[30];
  39    char wdata[127];
  40    int  idata=0;
  41    int  x, y;
  42
  43    bzero(day, 3);
  44    bzero(mon, 4);
  45    bzero(year, 5);
  46
  47    if(strcmp(df,"e") == 0) {
  48       strncpy(day,period,2);
  49       strncpy(mon,period+2,3);
  50       strncpy(year,period+5,4);
  51       conv_month(mon);
  52       sprintf(warea,"%s%s%s",year,mon,day);
  53       dfrom=atoi(warea);
  54       strncpy(day,period+10,2);
  55       strncpy(mon,period+12,3);
  56       strncpy(year,period+15,4);
  57       conv_month(mon);
  58       sprintf(warea,"%s%s%s",year,mon,day);
  59       duntil=atoi(warea);
  60    } else {
  61       strncpy(day,period+7,2);
  62       strncpy(mon,period+4,3);
  63       strncpy(year,period,4);
  64       conv_month(mon);
  65       sprintf(warea,"%s%s%s",year,mon,day);
  66       dfrom=atoi(warea);
  67       strncpy(day,period+17,2);
  68       strncpy(mon,period+14,3);
  69       strncpy(year,period+10,4);
  70       conv_month(mon);
  71       sprintf(warea,"%s%s%s",year,mon,day);
  72       duntil=atoi(warea);
  73    }
  74
  75    sprintf(guard_in,"%s/dansguardian.unsort",tmp);
  76    sprintf(guard_ou,"%s/dansguardian.log",tmp);
  77
  78    if(access(DansGuardianConf, R_OK) != 0) {
  79       sprintf(msg,"Cannot open DansGuardian config file: %s",DansGuardianConf);
  80       debuga(msg);
  81       exit(1);
  82    }
  83
  84    if((fp_guard=fopen(DansGuardianConf,"r"))==NULL) {
  85       fprintf(stderr, "SARG: (dansguardian) %s: %s\n",text[8],DansGuardianConf);
  86       exit(1);
  87    }
  88
  89    if((fp_ou=fopen(guard_in,"a"))==NULL) {
  90       fprintf(stderr, "SARG: (dansguardian) %s: %s\n",text[8],guard_in);
  91       exit(1);
  92    }
  93
  94    while(fgets(buf,sizeof(buf),fp_guard)!=NULL) {
  95       if(strstr(buf,"\n") != 0)
  96          buf[strlen(buf)-1]='\0';
  97       if(strncmp(buf,"#",1) == 0)
  98          continue;
  99       if(strstr(buf,"loglocation ") != 0) {
 100          getword(loglocation,buf,'\'');
 101          getword(loglocation,buf,'\'');
 102          break;
 103       }
 104    }
 105
 106    if(debug) {
 107       strcpy(buf,text[7]);
 108       getword(urly,buf,' ');
 109       getword(href,buf,' ');
 110       sprintf(msg,"%s DansGuardian %s: %s",urly,buf,loglocation);
 111       debuga(msg);
 112    }
 113
 114    if((fp_in=fopen(loglocation,"r"))==NULL) {
 115       fprintf(stderr, "SARG: (dansguardian) %s: %s\n",text[8],loglocation);
 116       exit(1);
 117    }
 118
 119    while(fgets(buf,sizeof(buf),fp_in) != NULL) {
 120       if(strstr(buf," *DENIED* ") == 0)
 121          continue;
 122       getword(year,buf,'.');
 123       getword(mon,buf,'.');
 124       getword(day,buf,' ');
 125       getword(hour,buf,' ');
 126       getword(user,buf,' ');
 127       getword(ip,buf,' ');
 128       getword(url,buf,'/');
 129       getword(url,buf,'/');
 130       getword(url,buf,' ');
 131       getword(code1,buf,' ');
 132       getword(code1,buf,' ');
 133       getword(code2,buf,' ');
 134       sprintf(wdata,"%s%02d%s",year,atoi(mon),day);
 135       idata = atoi(wdata);
 136
 137       if(strcmp(DansguardianIgnoreDate,"on") == 0) {
 138          if(idata < dfrom && idata > duntil)
 139             continue;
 140       }
 141
 142       if (strcmp(user,"-") == 0) {
 143          strcpy(user,ip);
 144          bzero(ip, 30);
 145       }
 146       sprintf(tmp6,"%s %d %s %s %s %s %s\n",user,idata,hour,ip,url,code1,code2);
 147       fputs(tmp6, fp_ou);
 148       dansguardian_count++;
 149    }
 150
 151    if(fp_in) fclose(fp_in);
 152    if(fp_guard) fclose(fp_guard);
 153    if(fp_ou) fclose(fp_ou);
 154
 155    if(debug) {
 156       sprintf(msg,"%s: %s",text[54],guard_ou);
 157       debuga(msg);
 158    }
 159
 160    sprintf(tmp6,"sort -k 1,1 -k 2,2 -k 4,4 '%s' -o '%s'",guard_in, guard_ou);
 161    system(tmp6);
 162    unlink(guard_in);
 163    return;
 164 }