smartfilter.c

   1 /*
   2  * SARG Squid Analysis Report Generator      http://sarg.sourceforge.net
   3  *                                                            1998, 2010
   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 smartfilter_report(void)
  31 {
  32
  33    FILE *fp_in = NULL, *fp_ou = NULL, *fp_user = NULL;
  34
  35    char buf[MAXLEN];
  36    char url[MAXLEN];
  37    char csort[255];
  38    char smart_in[MAXLEN];
  39    char smart_ou[MAXLEN];
  40    char sites[MAXLEN];
  41    char report[MAXLEN];
  42    char ip[MAXLEN];
  43    char user[MAXLEN];
  44    char ouser[MAXLEN];
  45    char data[15];
  46    char hora[15];
  47    char smartcat[256];
  48    char smartheader[15];
  49    char ftime[128];
  50    char smartuser[MAXLEN];
  51    int  fuser=0;
  52    int cstatus;
  53    struct getwordstruct gwarea;
  54    const struct userinfostruct *uinfo;
  55
  56    ouser[0]='\0';
  57
  58    strcpy(smartheader,_("SmartFilter"));
  59    strup(smartheader);
  60
  61    sprintf(smart_in,"%s/smartfilter.unsort",outdirname);
  62    sprintf(sites,"%s/sarg-sites",outdirname);
  63    sprintf(smart_ou,"%s/smartfilter.log",outdirname);
  64    sprintf(report,"%s/smartfilter.html",outdirname);
  65
  66    if (snprintf(csort,sizeof(csort),"sort -n -k 1,1 -k 2,2 -k 3,3 -o \"%s\" \"%s\"",smart_ou,smart_in)>=sizeof(csort)) {
  67       debuga(_("cannot build the sort command to sort file %s\n"),smart_in);
  68       exit(EXIT_FAILURE);
  69    }
  70    cstatus=system(csort);
  71    if (!WIFEXITED(cstatus) || WEXITSTATUS(cstatus)) {
  72       debuga(_("sort command return status %d\n"),WEXITSTATUS(cstatus));
  73       debuga(_("sort command: %s\n"),csort);
  74       exit(EXIT_FAILURE);
  75    }
  76    if((fp_in=fopen(smart_ou,"r"))==NULL) {
  77       debuga(_("(smartfilter) Cannot open log file %s\n"),smart_ou);
  78       debuga(_("sort command: %s\n"),csort);
  79       exit(EXIT_FAILURE);
  80    }
  81    unlink(smart_in);
  82
  83    if((fp_ou=fopen(report,"w"))==NULL) {
  84      debuga(_("(smartfilter) Cannot open log file %s\n"),report);
  85      exit(EXIT_FAILURE);
  86    }
  87
  88    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);
  89    fputs("</head>\n",fp_ou);
  90    if(strlen(FontFace) > 0) fprintf(fp_ou,"<font face=%s>\n",FontFace);
  91    fprintf(fp_ou,"<body bgcolor=\"%s\" text=\"%s\" background=\"%s\">\n",BgColor,TxColor,BgImage);
  92    fputs("<div align=\"center\"><table cellpadding=\"0\" cellspacing=\"0\">\n",fp_ou);
  93    write_logo_image(fp_ou);
  94
  95    fprintf(fp_ou,"<tr><th align=\"center\"><b><font color=\"%s\" size=\"+1\">%s</font></b></th></tr>\n",TiColor,Title);
  96    fprintf(fp_ou,"<tr><td align=\"center\" bgcolor=\"%s\"><font size=\"%s\">",HeaderBgColor,FontSize);
  97    fprintf(fp_ou,_("Period: %s"),period.html);
  98    fputs("</font></td></tr>\n",fp_ou);
  99    fprintf(fp_ou,"<tr><th bgcolor=\"%s\" align=\"center\"><font size=\"%s\">%s</font></th></tr>\n",HeaderBgColor,FontSize,_("SmartFilter"));
 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    fputs("<tr><td></td></tr>\n",fp_ou);
 105    fputs("<tr><td></td></tr>\n",fp_ou);
 106    fprintf(fp_ou,"<tr><th bgcolor=%s><font size=\"%s\">%s</font></th><th bgcolor=\"%s\"><font size=\"%s\">%s</font></th><th bgcolor=\"%s\"><font size=\"%s\">%s</font></th><th bgcolor=\"%s\"><font size=\"%s\">%s</font></th><th bgcolor=\"%s\"><font size=\"%s\">%s</font></th></tr>\n",HeaderBgColor,FontSize,_("USERID"),HeaderBgColor,FontSize,_("IP/NAME"),HeaderBgColor,FontSize,_("DATE/TIME"),HeaderBgColor,FontSize,_("ACCESSED SITE"),HeaderBgColor,FontSize,smartheader);
 107
 108    while(fgets(buf,sizeof(buf),fp_in)!=NULL) {
 109       getword_start(&gwarea,buf);
 110       if (getword(user,sizeof(user),&gwarea,'\t')<0 || getword(data,sizeof(data),&gwarea,'\t')<0 ||
 111           getword(hora,sizeof(hora),&gwarea,'\t')<0 || getword(ip,sizeof(ip),&gwarea,'\t')<0 ||
 112           getword(url,sizeof(url),&gwarea,'\t')<0 || getword(smartcat,sizeof(smartcat),&gwarea,'\n')<0) {
 113          debuga(_("There is a broken record or garbage in file %s\n"),smart_ou);
 114          exit(EXIT_FAILURE);
 115       }
 116
 117       uinfo=userinfo_find_from_id(user);
 118       if (!uinfo) {
 119          debuga(_("Unknown user ID %s in file %s\n"),user,smart_ou);
 120          exit(EXIT_FAILURE);
 121       }
 122       if(strcmp(ouser,user) != 0) {
 123          strcpy(ouser,user);
 124          sprintf(smartuser,"%s/denied_%s.html",outdirname,uinfo->filename);
 125          if(fuser) {
 126             fuser=0;
 127             fputs("</table>\n",fp_user);
 128             if(ShowSargInfo) {
 129                zdate(ftime, sizeof(ftime), DateFormat);
 130                fprintf(fp_user,"<br><br><div align=\"center\"><font size=\"-2\">%s <a href=\"%s\">%s-%s</a> %s %s</font></div>\n",_("Generated by"),URL,PGM,VERSION,_("on"),ftime);
 131             }
 132             fputs("</body>\n</html>\n",fp_user);
 133             fclose(fp_user);
 134          }
 135          if ((fp_user = fopen(smartuser, "a")) == 0) {
 136             debuga(_("(smartfilter) Cannot open file %s\n"),smartuser);
 137             exit(EXIT_FAILURE);
 138          }
 139          fuser=1;
 140
 141          fputs("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"",fp_ou);
 142          fputs(" \"http://www.w3.org/TR/html4/loose.dtd\">\n",fp_ou);
 143          fputs("<html>\n",fp_user);
 144          fputs("<head>\n",fp_user);
 145          fprintf(fp_user,"  <meta http-equiv=\"Content-Type\" content=\"text/html; charset=%s\">\n",CharSet);
 146          fputs("</head>\n",fp_user);
 147
 148          if(FontFace[0] != 0) {
 149             /*
 150             Before merging the sprintf and the fputs, the code looked like this:
 151             sprintf(html2,"<font face=%s>\n",FontFace);
 152             fputs(url,fp_user);
 153             The two lines don't use the same buffer so the string formated by sprintf is not the string
 154             written to fp_user. I (fmarchal) assumed it was a typo and replaced it by a fprintf but
 155             that font tag is not valid outside of the body. So, the generated html was likely
 156             containing garbage not rendered by the browser.
 157             */
 158             fprintf(fp_user,"<font face=%s>\n",FontFace);
 159          }
 160          fprintf(fp_user,"<body bgcolor=\"%s\" text=\"%s\" background=\"%s\">\n",BgColor,TxColor,BgImage);
 161          fputs("<div align=\"center\"><table cellpadding=\"0\" cellspacing=\"0\">\n",fp_user);
 162          if(LogoImage[0]!='\0') fprintf(fp_user,"<tr><th align=left><img src=\"%s\" border=\"0\" align=\"absmiddle\" width=\"%s\" height=\"%s\"><font color=\"%s\">%s</font>\n",LogoImage,Width,Height,LogoTextColor,LogoText);
 163          fprintf(fp_user,"<tr><th align=\"center\"><b><font color=\"%s\" size=\"+1\">%s</font></b></th></tr>\n",TiColor,Title);
 164          fputs("<tr><td align=center bgcolor=\"%s\"><font size=\"%s\">",fp_user);
 165          fprintf(fp_user,_("Period: %s"),period.html);
 166          fputs("</font></td></tr>\n",fp_user);
 167          fprintf(fp_user,"<tr><td align=\"center\" bgcolor=\"%s\"><font size=\"%s\">%s:</font><font size=\"%s\"> %s</font></td></tr>\n",HeaderBgColor,FontSize,_("User"),FontSize,uinfo->label);
 168          fputs("</table></div>\n",fp_user);
 169          fputs("<div align=\"center\"><table cellpadding=0 cellspacing=2>\n",fp_user);
 170          fputs("<tr><td></td></tr>\n",fp_user);
 171          fputs("<tr><td></td></tr>\n",fp_user);
 172          fputs("<tr><td></td></tr>\n",fp_user);
 173          fprintf(fp_user,"<tr><th bgcolor=%s><font size=%s>%s</font></th><th bgcolor=%s><font size=%s>%s</font></th><th bgcolor=%s><font size=%s>%s</font></th><th bgcolor=%s><font size=%s>%s</font></th><th bgcolor=%s><font size=%s>%s</font></th></tr>\n",HeaderBgColor,FontSize,_("USERID"),HeaderBgColor,FontSize,_("IP/NAME"),HeaderBgColor,FontSize,_("DATE/TIME"),HeaderBgColor,FontSize,_("ACCESSED SITE"),HeaderBgColor,FontSize,smartheader);
 174       }
 175       fprintf(fp_user,"<tr><td bgcolor=%s align=center><font size=%s>%s</font></td><td bgcolor=%s align=center><font size=%s>%s</font></td><td bgcolor=%s align=center><font size=%s>%s-%s</font></td><td bgcolor=%s><font size=%s>%s</font></td><td bgcolor=%s><font size=%s>%s</font></td></th>\n",TxBgColor,FontSize,uinfo->label,TxBgColor,FontSize,ip,TxBgColor,FontSize,data,hora,TxBgColor,FontSize,url,TxBgColor,FontSize,smartcat);
 176
 177       fprintf(fp_ou,"<tr><td bgcolor=%s align=center><font size=%s>%s</font></td><td bgcolor=%s align=center><font size=%s>%s</font></td><td bgcolor=%s align=center><font size=%s>%s-%s</font></td><td bgcolor=%s><font size=%s>%s</font></td><td bgcolor=%s><font size=%s>%s</font></td></th>\n",TxBgColor,FontSize,uinfo->label,TxBgColor,FontSize,ip,TxBgColor,FontSize,data,hora,TxBgColor,FontSize,url,TxBgColor,FontSize,smartcat);
 178    }
 179
 180    fputs("</table>\n",fp_ou);
 181
 182    if(ShowSargInfo) {
 183       zdate(ftime, sizeof(ftime), DateFormat);
 184       fprintf(fp_ou,"<br><br><div align=\"center\"><font size=\"-2\">%s <a href=\"%s\">%s-%s</a> %s %s</font></div>\n",_("Generated by"),URL,PGM,VERSION,_("on"),ftime);
 185    }
 186
 187    fputs("</body>\n</html>\n",fp_user);
 188
 189    fclose(fp_ou);
 190    if(fp_user) {
 191       fputs("</table>\n",fp_user);
 192       if(ShowSargInfo) {
 193          zdate(ftime, sizeof(ftime), DateFormat);
 194          fprintf(fp_user,"<br><br><div align=\"center\"><font size=\"-2\">%s <a href=\"%s\">%s-%s</a> %s %s</font></div>\n",_("Generated by"),URL,PGM,VERSION,_("on"),ftime);
 195       }
 196       fputs("</body>\n</html>\n",fp_user);
 197       fclose(fp_user);
 198    }
 199
 200    return;
 201 }