denied.c

   1 /*
   2  * AUTHOR: Pedro Lineu Orso                         pedro.orso@gmail.com
   3  *                                                            1998, 2010
   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 #include "include/defs.h"
  28
  29 void gen_denied_report(void)
  30 {
  31
  32    FILE *fp_in = NULL, *fp_ou = NULL;
  33
  34    char url[MAXLEN];
  35    char denied_in[MAXLEN];
  36    char per[MAXLEN];
  37    char report[MAXLEN];
  38    char period[100];
  39    char ip[MAXLEN];
  40    char oip[MAXLEN];
  41    char user[MAXLEN];
  42    char ouser[MAXLEN];
  43    char ouser2[MAXLEN];
  44    char data[15];
  45    char hora[15];
  46    char *str;
  47    int  z=0;
  48    int  count=0;
  49    struct getwordstruct gwarea;
  50
  51    ouser[0]='\0';
  52    ouser2[0]='\0';
  53
  54    sprintf(denied_in,"%s/sarg/denied.log",TempDir);
  55    if(!denied_count) {
  56       unlink(denied_in);
  57       return;
  58    }
  59
  60    sprintf(per,"%s/sarg-period",dirname);
  61    sprintf(report,"%s/denied.html",dirname);
  62
  63    if ((fp_in = fopen(per, "r")) == 0) {
  64       fprintf(stderr, "SARG: (denied) %s: %s\n",text[45],per);
  65       exit(1);
  66    }
  67
  68    if (!fgets(period,sizeof(period),fp_in)) {
  69       fprintf(stderr,"SARG: (denied) read error in %s\n",per);
  70       exit(1);
  71    }
  72    fclose(fp_in);
  73
  74    if((fp_in=MY_FOPEN(denied_in,"r"))==NULL) {
  75      fprintf(stderr, "SARG: (denied) %s: %s\n",text[8],denied_in);
  76      exit(1);
  77    }
  78
  79    if((fp_ou=MY_FOPEN(report,"w"))==NULL) {
  80      fprintf(stderr, "SARG: (denied) %s: %s\n",text[8],report);
  81      exit(1);
  82    }
  83
  84    fprintf(fp_ou, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n<html>\n<head>\n  <meta http-equiv=\"Content-Type\" content=\"text/html; charset=%s\">\n",CharSet);
  85    css(fp_ou);
  86    fputs("</head>\n",fp_ou);
  87    fprintf(fp_ou,"<body bgcolor=\"%s\" text=\"%s\" background=\"%s\">\n",BgColor,TxColor,BgImage);
  88    write_logo_image(fp_ou);
  89
  90    if(strcmp(IndexTree,"date") == 0)
  91       show_sarg(fp_ou, "../../..");
  92    else
  93       show_sarg(fp_ou, "..");
  94
  95    fputs("<div align=\"center\"><table cellpadding=\"0\" cellspacing=\"0\">\n",fp_ou);
  96    fprintf(fp_ou,"<tr><th class=\"title\">%s</b></th></tr>\n",Title);
  97
  98    fprintf(fp_ou,"<tr><td class=\"header\">%s: %s</td></tr>\n",text[89],period);
  99    fprintf(fp_ou,"<tr><th class=\"header3\">%s</th></tr>\n",text[46]);
 100    fputs("</table></div>\n",fp_ou);
 101
 102    fputs("<div align=\"center\"><table cellpadding=\"0\" cellspacing=\"2\">\n",fp_ou);
 103    fputs("<tr><td></td></tr>\n",fp_ou);
 104    fprintf(fp_ou,"<tr><th class=\"header\">%s</th><th class=\"header\">%s</th><th class=\"header\">%s</th><th class=\"header\">%s</th></tr>\n",text[98],text[111],text[110],text[91]);
 105
 106    while(fgets(buf,sizeof(buf),fp_in)!=NULL) {
 107       getword_start(&gwarea,buf);
 108       if (getword(data,sizeof(data),&gwarea,'\t')<0 || getword(hora,sizeof(hora),&gwarea,'\t')<0 ||
 109           getword(user,sizeof(user),&gwarea,'\t')<0 || getword(ip,sizeof(ip),&gwarea,'\t')<0 ||
 110           getword(url,sizeof(url),&gwarea,'\t')<0) {
 111          printf("SARG: Maybe you have a broken record or garbage in your %s file.\n",denied_in);
 112          exit(1);
 113       }
 114
 115       if((str=(char *) strstr(user, "_")) != (char *) NULL ) {
 116          if((str=(char *) strstr(str+1, "_")) != (char *) NULL )
 117             fixip(user);
 118       }
 119
 120       if(Ip2Name)
 121          ip2name(ip,sizeof(ip));
 122
 123       if(!z) {
 124          strcpy(ouser,user);
 125          strcpy(oip,ip);
 126          z++;
 127       } else {
 128          if(strcmp(ouser,user) == 0)
 129             user[0]='\0';
 130          if(user[0] != '\0')
 131             strcpy(ouser,user);
 132          if(strcmp(oip,ip) == 0)
 133             ip[0]='\0';
 134          if(ip[0] != '\0')
 135             strcpy(oip,ip);
 136       }
 137
 138       user_find(name, sizeof(name), user);
 139
 140       if(dotinuser && strchr(name,'_')) {
 141          subs(name,sizeof(name),"_",".");
 142       }
 143
 144       if(DeniedReportLimit) {
 145          if(strcmp(ouser2,name) == 0) {
 146             count++;
 147          } else {
 148             count=1;
 149             strcpy(ouser2,name);
 150          }
 151          if(count >= DeniedReportLimit)
 152             continue;
 153       }
 154
 155       if(BlockIt[0] != '\0')
 156          sprintf(BlockImage,"<a href=\"%s%s?url=%s\"><img src=\"%s/sarg-squidguard-block.png\" border=\"0\"></a>&nbsp;",wwwDocumentRoot,BlockIt,url,ImageFile);
 157       else BlockImage[0]='\0';
 158
 159       fprintf(fp_ou,"<tr><td class=\"data\">%s</td><td class=\"data\">%s</td><td class=\"data\">%s-%s</td><td class=\"data2\">%s<a href=\"%s\">%s</a></td></th>\n",name,ip,data,hora,BlockImage,url,url);
 160    }
 161
 162    fputs("</table>\n",fp_ou);
 163
 164    show_info(fp_ou);
 165    fputs("</body></html>\n",fp_ou);
 166
 167    fclose(fp_in);
 168    fclose(fp_ou);
 169
 170    unlink(denied_in);
 171
 172    return;
 173 }