denied.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 #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
  50    ouser[0]='\0';
  51
  52    sprintf(denied_in,"%s/sarg/denied.log",TempDir);
  53    if(!denied_count) {
  54       unlink(denied_in);
  55       return;
  56    }
  57
  58    sprintf(per,"%s/sarg-period",dirname);
  59    sprintf(report,"%s/denied.html",dirname);
  60
  61    if ((fp_in = fopen(per, "r")) == 0) {
  62       fprintf(stderr, "SARG: (denied) %s: %s\n",text[45],per);
  63       exit(1);
  64    }
  65
  66    fgets(period,sizeof(period),fp_in);
  67    fclose(fp_in);
  68
  69 #if defined(HAVE_FOPEN64)
  70    if((fp_in=fopen64(denied_in,"r"))==NULL) {
  71 #else
  72    if((fp_in=fopen(denied_in,"r"))==NULL) {
  73 #endif
  74      fprintf(stderr, "SARG: (denied) %s: %s\n",text[8],denied_in);
  75      exit(1);
  76    }
  77
  78 #if defined(HAVE_FOPEN64)
  79    if((fp_ou=fopen64(report,"w"))==NULL) {
  80 #else
  81    if((fp_ou=fopen(report,"w"))==NULL) {
  82 #endif
  83      fprintf(stderr, "SARG: (denied) %s: %s\n",text[8],report);
  84      exit(1);
  85    }
  86
  87    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);
  88    css(fp_ou);
  89    fputs("</head>\n",fp_ou);
  90    fprintf(fp_ou,"<body bgcolor=%s text=%s background='%s'>\n",BgColor,TxColor,BgImage);
  91    if(strlen(LogoImage) > 0) fprintf(fp_ou, "<center><table cellpadding=\"0\" cellspacing=\"0\">\n<tr><th class=\"logo\"><img src='%s' border=0 align=absmiddle width=%s height=%s>&nbsp;%s</th></tr>\n<tr><td height=\"5\"></td></tr>\n</table>\n",LogoImage,Width,Height,LogoText);
  92
  93    if(strcmp(IndexTree,"date") == 0)
  94       show_sarg(fp_ou, "../../..");
  95    else
  96       show_sarg(fp_ou, "..");
  97
  98    fputs("<center><table cellpadding=0 cellspacing=0>\n",fp_ou);
  99    fprintf(fp_ou,"<tr><th class=\"title\">%s</b></th></tr>\n",Title);
 100
 101    fprintf(fp_ou,"<tr><td class=\"header\">%s: %s</td></tr>\n",text[89],period);
 102    fprintf(fp_ou,"<tr><th class=\"header3\">%s</th></tr>\n",text[46]);
 103    fputs("</table></center>\n",fp_ou);
 104
 105    fputs("<center><table cellpadding=0 cellspacing=2>\n",fp_ou);
 106    fputs("<tr><td></td></tr>\n",fp_ou);
 107    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]);
 108
 109    while(fgets(buf,sizeof(buf),fp_in)!=NULL) {
 110       if (getword(data,sizeof(data),buf,' ')<0 || getword(hora,sizeof(hora),buf,' ')<0 ||
 111           getword(user,sizeof(user),buf,' ')<0 || getword(ip,sizeof(ip),buf,' ')<0 ||
 112           getword(url,sizeof(url),buf,' ')<0) {
 113          printf("SARG: Maybe you have a broken record or garbage in your %s file.\n",denied_in);
 114          exit(1);
 115       }
 116
 117       if((str=(char *) strstr(user, "_")) != (char *) NULL ) {
 118          if((str=(char *) strstr(str+1, "_")) != (char *) NULL )
 119             fixip(user);
 120       }
 121
 122       if(strcmp(Ip2Name,"yes") == 0)
 123          ip2name(ip,sizeof(ip));
 124
 125       if(!z) {
 126          strcpy(ouser,user);
 127          strcpy(oip,ip);
 128          z++;
 129       } else {
 130          if(strcmp(ouser,user) == 0)
 131             user[0]='\0';
 132          if(user[0] != '\0')
 133             strcpy(ouser,user);
 134          if(strcmp(oip,ip) == 0)
 135             ip[0]='\0';
 136          if(ip[0] != '\0')
 137             strcpy(oip,ip);
 138       }
 139
 140       if(UserTabFile[0] != '\0') {
 141          sprintf(warea,":%s:",user);
 142          if((str=(char *) strstr(userfile,warea)) != (char *) NULL ) {
 143             z1=0;
 144             str2=(char *) strstr(str+1,":");
 145             str2++;
 146             bzero(name, MAXLEN);
 147             while(str2[z1] != ':') {
 148                name[z1]=str2[z1];
 149                z1++;
 150             }
 151          } else strcpy(name,user);
 152       } else strcpy(name,user);
 153
 154       if(dotinuser && strstr(name,"_")) {
 155          str2=(char *)subs(name,"_",".");
 156          strcpy(name,str2);
 157       }
 158
 159       if(DeniedReportLimit) {
 160          if(strcmp(ouser2,name) == 0) {
 161             count++;
 162          } else {
 163             count=1;
 164             strcpy(ouser2,name);
 165          }
 166          if(count >= DeniedReportLimit)
 167             continue;
 168       }
 169
 170       if(strlen(BlockIt) > 0)
 171          sprintf(BlockImage,"<a href=\"%s%s?url=%s\"><img src=\"%s/sarg-squidguard-block.png\" border=\"0\"></a>&nbsp;",wwwDocumentRoot,BlockIt,url,ImageFile);
 172       else BlockImage[0]='\0';
 173
 174       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);
 175    }
 176
 177    fputs("</table>\n",fp_ou);
 178
 179    show_info(fp_ou);
 180    fputs("</body></html>\n",fp_ou);
 181
 182    fclose(fp_in);
 183    fclose(fp_ou);
 184
 185    unlink(denied_in);
 186
 187    return;
 188 }