smartfilter.c

   1 /*
   2  * SARG Squid Analysis Report Generator      http://sarg.sourceforge.net
   3  *                                                            1998, 2012
   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         FILE *fp_in = NULL, *fp_ou = NULL, *fp_user = NULL;
  33
  34         char buf[MAXLEN];
  35         char url[MAXLEN];
  36         char csort[255];
  37         char smart_in[MAXLEN];
  38         char smart_ou[MAXLEN];
  39         char sites[MAXLEN];
  40         char report[MAXLEN];
  41         char ip[MAXLEN];
  42         char user[MAXLEN];
  43         char ouser[MAXLEN];
  44         char data[15];
  45         char hora[15];
  46         char smartcat[256];
  47         char ftime[128];
  48         char smartuser[MAXLEN];
  49         int cstatus;
  50         struct getwordstruct gwarea;
  51         const struct userinfostruct *uinfo;
  52
  53         ouser[0]='\0';
  54
  55         if (snprintf(smart_in,sizeof(smart_in),"%s/smartfilter.int_unsort",tmp)>=sizeof(smart_in)) {
  56                 debuga(_("File name too long: %s/smartfilter.int_unsort\n"),tmp);
  57                 exit(EXIT_FAILURE);
  58         }
  59         if (snprintf(sites,sizeof(sites),"%s/sarg-sites",outdirname)>=sizeof(sites)) {
  60                 debuga(_("File name too long: %s/sarg-sites\n"),outdirname);
  61                 exit(EXIT_FAILURE);
  62         }
  63         if (snprintf(smart_ou,sizeof(smart_ou),"%s/smartfilter.int_log",tmp)>=sizeof(smart_ou)) {
  64                 debuga(_("File name too long: %s/smartfilter.int_log\n"),tmp);
  65                 exit(EXIT_FAILURE);
  66         }
  67         if (snprintf(report,sizeof(report),"%s/smartfilter.html",outdirname)>=sizeof(report)) {
  68                 debuga(_("File name too long: %s/smartfilter.html\n"),outdirname);
  69                 exit(EXIT_FAILURE);
  70         }
  71
  72         if (snprintf(csort,sizeof(csort),"sort -n -t \"\t\" -k 1,1 -k 2,2 -k 3,3 -o \"%s\" \"%s\"",smart_ou,smart_in)>=sizeof(csort)) {
  73                 debuga(_("cannot build the sort command to sort file %s\n"),smart_in);
  74                 exit(EXIT_FAILURE);
  75         }
  76         cstatus=system(csort);
  77         if (!WIFEXITED(cstatus) || WEXITSTATUS(cstatus)) {
  78                 debuga(_("sort command return status %d\n"),WEXITSTATUS(cstatus));
  79                 debuga(_("sort command: %s\n"),csort);
  80                 exit(EXIT_FAILURE);
  81         }
  82         if((fp_in=fopen(smart_ou,"r"))==NULL) {
  83                 debuga(_("(smartfilter) Cannot open log file %s: %s\n"),smart_ou,strerror(errno));
  84                 debuga(_("sort command: %s\n"),csort);
  85                 exit(EXIT_FAILURE);
  86         }
  87         if (!KeepTempLog && unlink(smart_in)) {
  88                 debuga(_("Cannot delete \"%s\": %s\n"),smart_in,strerror(errno));
  89                 exit(EXIT_FAILURE);
  90         }
  91
  92         if((fp_ou=fopen(report,"w"))==NULL) {
  93                 debuga(_("(smartfilter) Cannot open log file %s: %s\n"),report,strerror(errno));
  94                 exit(EXIT_FAILURE);
  95         }
  96
  97         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);
  98         fputs("</head>\n",fp_ou);
  99         if(strlen(FontFace) > 0) fprintf(fp_ou,"<font face=%s>\n",FontFace);
 100         fprintf(fp_ou,"<body bgcolor=\"%s\" text=\"%s\" background=\"%s\">\n",BgColor,TxColor,BgImage);
 101         fputs("<div align=\"center\"><table cellpadding=\"0\" cellspacing=\"0\">\n",fp_ou);
 102         write_logo_image(fp_ou);
 103
 104         fprintf(fp_ou,"<tr><th align=\"center\"><b><font color=\"%s\" size=\"+1\">%s</font></b></th></tr>\n",TiColor,Title);
 105         fprintf(fp_ou,"<tr><td align=\"center\" bgcolor=\"%s\"><font size=\"%s\">",HeaderBgColor,FontSize);
 106         fprintf(fp_ou,_("Period: %s"),period.html);
 107         fputs("</font></td></tr>\n",fp_ou);
 108         fprintf(fp_ou,"<tr><th bgcolor=\"%s\" align=\"center\"><font size=\"%s\">%s</font></th></tr>\n",HeaderBgColor,FontSize,_("SmartFilter"));
 109         fputs("</table></div>\n",fp_ou);
 110
 111         fputs("<div align=\"center\"><table cellpadding=\"0\" cellspacing=\"2\">\n",fp_ou);
 112         fputs("<tr><td></td></tr>\n",fp_ou);
 113         fputs("<tr><td></td></tr>\n",fp_ou);
 114         fputs("<tr><td></td></tr>\n",fp_ou);
 115         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,_("SMARTFILTER"));
 116
 117         while(fgets(buf,sizeof(buf),fp_in)!=NULL) {
 118                 getword_start(&gwarea,buf);
 119                 if (getword(user,sizeof(user),&gwarea,'\t')<0 || getword(data,sizeof(data),&gwarea,'\t')<0 ||
 120                     getword(hora,sizeof(hora),&gwarea,'\t')<0 || getword(ip,sizeof(ip),&gwarea,'\t')<0 ||
 121                     getword(url,sizeof(url),&gwarea,'\t')<0 || getword(smartcat,sizeof(smartcat),&gwarea,'\n')<0) {
 122                         debuga(_("There is a broken record or garbage in file %s\n"),smart_ou);
 123                         exit(EXIT_FAILURE);
 124                 }
 125
 126                 uinfo=userinfo_find_from_id(user);
 127                 if (!uinfo) {
 128                         debuga(_("Unknown user ID %s in file %s\n"),user,smart_ou);
 129                         exit(EXIT_FAILURE);
 130                 }
 131                 if(strcmp(ouser,user) != 0) {
 132                         strcpy(ouser,user);
 133                         sprintf(smartuser,"%s/denied_%s.html",outdirname,uinfo->filename);
 134                         if (fp_user) {
 135                                 fputs("</table>\n",fp_user);
 136                                 if(ShowSargInfo) {
 137                                         zdate(ftime, sizeof(ftime), df);
 138                                         fputs("<br><br><div align=\"center\"><font size=\"-2\">",fp_user);
 139                                         fprintf(fp_user,_("Generated by <a href=\"%s\">%s-%s</a> on %s"),URL,PGM,VERSION,ftime);
 140                                         fputs("</font></div>\n",fp_user);
 141                                 }
 142                                 fputs("</body>\n</html>\n",fp_user);
 143                                 if (fclose(fp_user)==EOF) {
 144                                         debuga(_("Write error in %s: %s\n"),smartuser,strerror(errno));
 145                                         exit(EXIT_FAILURE);
 146                                 }
 147                                 fp_user=NULL;
 148                         }
 149                         if ((fp_user = fopen(smartuser, "a")) == 0) {
 150                                 debuga(_("(smartfilter) Cannot open file %s: %s\n"),smartuser,strerror(errno));
 151                                 exit(EXIT_FAILURE);
 152                         }
 153
 154                         fputs("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"",fp_ou);
 155                         fputs(" \"http://www.w3.org/TR/html4/loose.dtd\">\n",fp_ou);
 156                         fputs("<html>\n",fp_user);
 157                         fputs("<head>\n",fp_user);
 158                         fprintf(fp_user,"  <meta http-equiv=\"Content-Type\" content=\"text/html; charset=%s\">\n",CharSet);
 159                         fputs("</head>\n",fp_user);
 160
 161                         if(FontFace[0] != 0) {
 162                                 /*
 163                                 Before merging the sprintf and the fputs, the code looked like this:
 164                                 sprintf(html2,"<font face=%s>\n",FontFace);
 165                                 fputs(url,fp_user);
 166                                 The two lines don't use the same buffer so the string formated by sprintf is not the string
 167                                 written to fp_user. I (fmarchal) assumed it was a typo and replaced it by a fprintf but
 168                                 that font tag is not valid outside of the body. So, the generated html was likely
 169                                 containing garbage not rendered by the browser.
 170                                 */
 171                                 fprintf(fp_user,"<font face=%s>\n",FontFace);
 172                         }
 173                         fprintf(fp_user,"<body bgcolor=\"%s\" text=\"%s\" background=\"%s\">\n",BgColor,TxColor,BgImage);
 174                         fputs("<div align=\"center\"><table cellpadding=\"0\" cellspacing=\"0\">\n",fp_user);
 175                         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);
 176                         fprintf(fp_user,"<tr><th align=\"center\"><b><font color=\"%s\" size=\"+1\">%s</font></b></th></tr>\n",TiColor,Title);
 177                         fputs("<tr><td align=center bgcolor=\"%s\"><font size=\"%s\">",fp_user);
 178                         fprintf(fp_user,_("Period: %s"),period.html);
 179                         fputs("</font></td></tr>\n",fp_user);
 180                         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);
 181                         fputs("</table></div>\n",fp_user);
 182                         fputs("<div align=\"center\"><table cellpadding=0 cellspacing=2>\n",fp_user);
 183                         fputs("<tr><td></td></tr>\n",fp_user);
 184                         fputs("<tr><td></td></tr>\n",fp_user);
 185                         fputs("<tr><td></td></tr>\n",fp_user);
 186                         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,_("SMARTFILTER"));
 187                 }
 188                 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);
 189
 190                 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);
 191         }
 192
 193         fputs("</table>\n",fp_ou);
 194
 195         if(ShowSargInfo) {
 196                 zdate(ftime, sizeof(ftime), df);
 197                 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);
 198         }
 199
 200         fputs("</body>\n</html>\n",fp_user);
 201
 202         if (fclose(fp_ou)==EOF) {
 203                 debuga(_("Write error in %s: %s\n"),report,strerror(errno));
 204                 exit(EXIT_FAILURE);
 205         }
 206         if(fp_user) {
 207                 fputs("</table>\n",fp_user);
 208                 if(ShowSargInfo) {
 209                         zdate(ftime, sizeof(ftime), df);
 210                         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);
 211                 }
 212                 fputs("</body>\n</html>\n",fp_user);
 213                 if (fclose(fp_user)==EOF) {
 214                         debuga(_("Write error in %s: %s\n"),smartuser,strerror(errno));
 215                         exit(EXIT_FAILURE);
 216                 }
 217         }
 218
 219         if (!KeepTempLog && unlink(smart_ou)) {
 220                 debuga(_("Cannot delete \"%s\": %s\n"),smart_ou,strerror(errno));
 221                 exit(EXIT_FAILURE);
 222         }
 223
 224         return;
 225 }