]> git.ipfire.org Git - thirdparty/sarg.git/blobdiff - denied.c
Make b-tree cache functions static.
[thirdparty/sarg.git] / denied.c
index a12625670cf5aaf48e7598b40f0e4ea307573603..88cd37f1ac447341bf6c84aef108846aca180a32 100644 (file)
--- a/denied.c
+++ b/denied.c
@@ -1,6 +1,6 @@
 /*
  * SARG Squid Analysis Report Generator      http://sarg.sourceforge.net
- *                                                            1998, 2010
+ *                                                            1998, 2015
  *
  * SARG donations:
  *      please look at http://sarg.sourceforge.net/donations.php
 
 #include "include/conf.h"
 #include "include/defs.h"
+#include "include/readlog.h"
 
+//! Name of the file containing the unsorted denied entries.
+static char denied_unsort[MAXLEN]="";
+//! The file handle to write the entries.
+static FILE *fp_denied=NULL;
+//! \c True if at least one denied entry exists.
+static bool denied_exists=false;
+
+/*!
+Open a file to store the denied accesses.
+
+\return The file handle or NULL if no file is necessary.
+*/
+void denied_open(void)
+{
+       if ((ReportType & REPORT_TYPE_DENIED) == 0) {
+               if (debugz>=LogLevel_Process) debugaz(__FILE__,__LINE__,_("Denied report not produced as it is not requested\n"));
+               return;
+       }
+       if (Privacy) {
+               if (debugz>=LogLevel_Process) debugaz(__FILE__,__LINE__,_("Denied report not produced because privacy option is active\n"));
+               return;
+       }
+
+       snprintf(denied_unsort,sizeof(denied_unsort),"%s/denied.int_unsort",tmp);
+       if ((fp_denied=MY_FOPEN(denied_unsort,"w"))==NULL) {
+               debuga(__FILE__,__LINE__,_("Cannot open file \"%s\": %s\n"),denied_unsort,strerror(errno));
+               exit(EXIT_FAILURE);
+       }
+       return;
+}
+
+/*!
+Write one entry in the unsorted denied file provided that it is required.
+
+\param log_entry The entry to write into the log file.
+*/
+void denied_write(const struct ReadLogStruct *log_entry)
+{
+       char date[80];
+
+       if (fp_denied && strstr(log_entry->HttpCode,"DENIED/403") != 0) {
+               strftime(date,sizeof(date),"%d/%m/%Y\t%H:%M:%S",&log_entry->EntryTime);
+               fprintf(fp_denied, "%s\t%s\t%s\t%s\n",date,log_entry->User,log_entry->Ip,log_entry->Url);
+               denied_exists=true;
+       }
+}
+
+/*!
+Close the file opened by denied_open().
+*/
+void denied_close(void)
+{
+       if (fp_denied) {
+               if (fclose(fp_denied)==EOF) {
+                       debuga(__FILE__,__LINE__,_("Write error in \"%s\": %s\n"),denied_unsort,strerror(errno));
+                       exit(EXIT_FAILURE);
+               }
+               fp_denied=NULL;
+       }
+}
+
+/*!
+Tell the caller if a denied report exists.
+
+\return \c True if the report is available or \c false if no report
+was generated.
+*/
+bool is_denied(void)
+{
+       return(denied_exists);
+}
+
+static void show_ignored_denied(FILE *fp_ou,int count)
+{
+       char ignored[80];
+
+       snprintf(ignored,sizeof(ignored),ngettext("%d more denied access not shown here…","%d more denied accesses not shown here…",count),count);
+       fprintf(fp_ou,"<tr><td class=\"data\"></td><td class=\"data\"></td><td class=\"data\"></td><td class=\"data2 more\">%s</td></tr>\n",ignored);
+}
+
+/*!
+Generate a report containing the denied accesses.
+*/
 void gen_denied_report(void)
 {
+       FileObject *fp_in = NULL;
+       FILE *fp_ou = NULL;
+
+       char *buf;
+       char *url;
+       char denied_sort[MAXLEN];
+       char report[MAXLEN];
+       char ip[MAXLEN];
+       char oip[MAXLEN];
+       char user[MAXLEN];
+       char ouser[MAXLEN]="";
+       char ouser2[MAXLEN]="";
+       char data[15];
+       char hora[15];
+       char csort[4098];
+       bool z=false;
+       int  count=0;
+       int day,month,year;
+       int cstatus;
+       bool new_user;
+       struct getwordstruct gwarea;
+       longline line;
+       struct userinfostruct *uinfo;
+       struct tm t;
+
+       if (!denied_exists) {
+               if (!KeepTempLog && denied_unsort[0]!='\0' && unlink(denied_unsort))
+                       debuga(__FILE__,__LINE__,_("Cannot delete \"%s\": %s\n"),denied_unsort,strerror(errno));
+               denied_unsort[0]='\0';
+               if (debugz>=LogLevel_Process) debugaz(__FILE__,__LINE__,_("Denied report not produced because it is empty\n"));
+               return;
+       }
+       if (debugz>=LogLevel_Process)
+               debuga(__FILE__,__LINE__,_("Creating denied accesses report...\n"));
+
+       if (snprintf(denied_sort,sizeof(denied_sort),"%s/denied.int_log",tmp)>=sizeof(denied_sort)) {
+               debuga(__FILE__,__LINE__,_("Temporary directory path too long to sort the denied accesses\n"));
+               exit(EXIT_FAILURE);
+       }
+       if (snprintf(csort,sizeof(csort),"sort -T \"%s\" -t \"\t\" -k 3,3 -k 5,5 -o \"%s\" \"%s\"",tmp,denied_sort,denied_unsort)>=sizeof(csort)) {
+               debuga(__FILE__,__LINE__,_("Sort command too long when sorting file \"%s\" to \"%s\"\n"),denied_unsort,denied_sort);
+               exit(EXIT_FAILURE);
+       }
+       cstatus=system(csort);
+       if (!WIFEXITED(cstatus) || WEXITSTATUS(cstatus)) {
+               debuga(__FILE__,__LINE__,_("sort command return status %d\n"),WEXITSTATUS(cstatus));
+               debuga(__FILE__,__LINE__,_("sort command: %s\n"),csort);
+               exit(EXIT_FAILURE);
+       }
+       if (unlink(denied_unsort)) {
+               debuga(__FILE__,__LINE__,_("Cannot delete \"%s\": %s\n"),denied_unsort,strerror(errno));
+               exit(EXIT_FAILURE);
+       }
+       denied_unsort[0]='\0';
+
+       sprintf(report,"%s/denied.html",outdirname);
+
+       if((fp_in=FileObject_Open(denied_sort))==NULL) {
+               debuga(__FILE__,__LINE__,_("Cannot open file \"%s\": %s\n"),denied_sort,FileObject_GetLastOpenError());
+               exit(EXIT_FAILURE);
+       }
+
+       if((fp_ou=MY_FOPEN(report,"w"))==NULL) {
+               debuga(__FILE__,__LINE__,_("Cannot open file \"%s\": %s\n"),report,strerror(errno));
+               exit(EXIT_FAILURE);
+       }
+
+       write_html_header(fp_ou,(IndexTree == INDEX_TREE_DATE) ? 3 : 1,_("Denied"),HTML_JS_NONE);
+       fputs("<tr><td class=\"header_c\">",fp_ou);
+       fprintf(fp_ou,_("Period: %s"),period.html);
+       fputs("</td></tr>\n",fp_ou);
+       fprintf(fp_ou,"<tr><th class=\"header_c\">%s</th></tr>\n",_("Denied"));
+       close_html_header(fp_ou);
+
+       fputs("<div class=\"report\"><table cellpadding=\"0\" cellspacing=\"2\">\n",fp_ou);
+       fprintf(fp_ou,"<tr><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th></tr>\n",_("USERID"),_("IP/NAME"),_("DATE/TIME"),_("ACCESSED SITE"));
+
+       if ((line=longline_create())==NULL) {
+               debuga(__FILE__,__LINE__,_("Not enough memory to read file \"%s\"\n"),denied_sort);
+               exit(EXIT_FAILURE);
+       }
+
+       while((buf=longline_read(fp_in,line))!=NULL) {
+               getword_start(&gwarea,buf);
+               if (getword(data,sizeof(data),&gwarea,'\t')<0 || getword(hora,sizeof(hora),&gwarea,'\t')<0 ||
+                   getword(user,sizeof(user),&gwarea,'\t')<0 || getword(ip,sizeof(ip),&gwarea,'\t')<0) {
+                       debuga(__FILE__,__LINE__,_("Invalid record in file \"%s\"\n"),denied_sort);
+                       exit(EXIT_FAILURE);
+               }
+               if (getword_ptr(buf,&url,&gwarea,'\t')<0) {
+                       debuga(__FILE__,__LINE__,_("Invalid url in file \"%s\"\n"),denied_sort);
+                       exit(EXIT_FAILURE);
+               }
+               if (sscanf(data,"%d/%d/%d",&day,&month,&year)!=3) continue;
+               computedate(year,month,day,&t);
+               strftime(data,sizeof(data),"%x",&t);
 
-   FILE *fp_in = NULL, *fp_ou = NULL;
-
-   char *buf;
-   char *url;
-   char denied_in[MAXLEN];
-   char per[MAXLEN];
-   char report[MAXLEN];
-   char period[100];
-   char ip[MAXLEN];
-   char oip[MAXLEN];
-   char user[MAXLEN];
-   char ouser[MAXLEN];
-   char ouser2[MAXLEN];
-   char data[15];
-   char hora[15];
-   int  z=0;
-   int  count=0;
-   int new_user;
-   struct getwordstruct gwarea;
-   longline line;
-   struct userinfostruct *uinfo;
-
-   ouser[0]='\0';
-   ouser2[0]='\0';
-
-   sprintf(denied_in,"%s/sarg/denied.log",TempDir);
-   if(!denied_count) {
-      unlink(denied_in);
-      return;
-   }
-
-   sprintf(per,"%s/sarg-period",outdirname);
-   sprintf(report,"%s/denied.html",outdirname);
-
-   if ((fp_in = fopen(per, "r")) == 0) {
-      debuga(_("(denied) Cannot open file %s\n"),per);
-      exit(EXIT_FAILURE);
-   }
-
-   if (!fgets(period,sizeof(period),fp_in)) {
-      debuga(_("(denied) read error in %s\n"),per);
-      exit(EXIT_FAILURE);
-   }
-   fclose(fp_in);
-
-   if((fp_in=MY_FOPEN(denied_in,"r"))==NULL) {
-     debuga(_("(denied) Cannot open log file %s\n"),denied_in);
-     exit(EXIT_FAILURE);
-   }
-
-   if((fp_ou=MY_FOPEN(report,"w"))==NULL) {
-     debuga(_("(denied) Cannot open log file %s\n"),report);
-     exit(EXIT_FAILURE);
-   }
-
-   write_html_header(fp_ou,(IndexTree == INDEX_TREE_DATE) ? 3 : 1,_("DENIED"));
-   fprintf(fp_ou,"<tr><td class=\"header_l\">%s: %s</td></tr>\n",_("Period"),period);
-   fprintf(fp_ou,"<tr><th class=\"header_c\">%s</th></tr>\n",_("DENIED"));
-   close_html_header(fp_ou);
-
-   fputs("<div class=\"report\"><table cellpadding=\"0\" cellspacing=\"2\">\n",fp_ou);
-   fputs("<tr><td></td></tr>\n",fp_ou);
-   fprintf(fp_ou,"<tr><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th></tr>\n",_("USERID"),_("IP/NAME"),_("DATE/TIME"),_("ACCESSED SITE"));
-
-   if ((line=longline_create())==NULL) {
-      debuga(_("Not enough memory to read the denied accesses\n"));
-      exit(EXIT_FAILURE);
-   }
-
-   while((buf=longline_read(fp_in,line))!=NULL) {
-      getword_start(&gwarea,buf);
-      if (getword(data,sizeof(data),&gwarea,'\t')<0 || getword(hora,sizeof(hora),&gwarea,'\t')<0 ||
-          getword(user,sizeof(user),&gwarea,'\t')<0 || getword(ip,sizeof(ip),&gwarea,'\t')<0) {
-         debuga(_("There is a broken record or garbage in file %s\n"),denied_in);
-         exit(EXIT_FAILURE);
-      }
-      if (getword_ptr(buf,&url,&gwarea,'\t')<0) {
-         debuga(_("There is a broken url in file %s\n"),denied_in);
-         exit(EXIT_FAILURE);
-      }
-
-      uinfo=userinfo_find_from_id(user);
-      if (!uinfo) {
-         debuga(_("Unknown user ID %s in file %s\n"),user,denied_in);
-         exit(EXIT_FAILURE);
-      }
-
-      new_user=0;
-      if(!z) {
-         strcpy(ouser,user);
-         strcpy(oip,ip);
-         z++;
-         new_user=1;
-      } else {
-         if(strcmp(ouser,user) != 0) {
-            strcpy(ouser,user);
-            new_user=1;
-         }
-         if(strcmp(oip,ip) != 0) {
-            strcpy(oip,ip);
-            new_user=1;
-         }
-      }
-
-      if(DeniedReportLimit) {
-         if(strcmp(ouser2,uinfo->label) == 0) {
-            count++;
-         } else {
-            count=1;
-            strcpy(ouser2,uinfo->label);
-         }
-         if(count >= DeniedReportLimit)
-            continue;
-      }
-
-      fputs("<tr>",fp_ou);
-      if (new_user)
-         fprintf(fp_ou,"<td class=\"data\">%s</td><td class=\"data\">%s</td>",uinfo->label,ip);
-      else
-         fputs("<td class=\"data\"></td><td class=\"data\"></td>",fp_ou);
-      fprintf(fp_ou,"<td class=\"data\">%s-%s</td><td class=\"data2\">",data,hora);
-      if(BlockIt[0] != '\0') {
-         fprintf(fp_ou,"<a href=\"%s%s?url=",wwwDocumentRoot,BlockIt);
-         output_html_url(fp_ou,url);
-         fprintf(fp_ou,"\"><img src=\"%s/sarg-squidguard-block.png\"></a>&nbsp;",ImageFile);
-      }
-      fputs("<a href=\"http://",fp_ou);
-      output_html_url(fp_ou,url);
-      fputs("\">http://",fp_ou);
-      output_html_string(fp_ou,url,100);
-      fputs("</a></td></tr>\n",fp_ou);
-   }
-   fclose(fp_in);
-   longline_destroy(&line);
-
-   fputs("</table></div>\n",fp_ou);
-   write_html_trailer(fp_ou);
-   fclose(fp_ou);
-
-   unlink(denied_in);
-
-   return;
+               uinfo=userinfo_find_from_id(user);
+               if (!uinfo) {
+                       debuga(__FILE__,__LINE__,_("Unknown user ID %s in file \"%s\"\n"),user,denied_sort);
+                       exit(EXIT_FAILURE);
+               }
+
+               new_user=false;
+               if(!z) {
+                       strcpy(ouser,user);
+                       strcpy(oip,ip);
+                       z=true;
+                       new_user=true;
+               } else {
+                       if(strcmp(ouser,user) != 0) {
+                               strcpy(ouser,user);
+                               new_user=true;
+                       }
+                       if(strcmp(oip,ip) != 0) {
+                               strcpy(oip,ip);
+                               new_user=true;
+                       }
+               }
+
+               if(DeniedReportLimit) {
+                       if(strcmp(ouser2,uinfo->label) == 0) {
+                               count++;
+                       } else {
+                               if(count>DeniedReportLimit && DeniedReportLimit>0)
+                                       show_ignored_denied(fp_ou,count-DeniedReportLimit);
+                               count=1;
+                               strcpy(ouser2,uinfo->label);
+                       }
+                       if(count > DeniedReportLimit)
+                               continue;
+               }
+
+               fputs("<tr>",fp_ou);
+               if (new_user) {
+                       if (uinfo->topuser)
+                               fprintf(fp_ou,"<td class=\"data\"><a href=\"%s/%s.html\">%s</a></td><td class=\"data\">%s</td>",uinfo->filename,uinfo->filename,uinfo->label,ip);
+                       else
+                               fprintf(fp_ou,"<td class=\"data\">%s</td><td class=\"data\">%s</td>",uinfo->label,ip);
+               } else
+                       fputs("<td class=\"data\"></td><td class=\"data\"></td>",fp_ou);
+               fprintf(fp_ou,"<td class=\"data\">%s-%s</td><td class=\"data2\">",data,hora);
+               if(BlockIt[0] != '\0' && url[0]!=ALIAS_PREFIX) {
+                       fprintf(fp_ou,"<a href=\"%s%s?url=",wwwDocumentRoot,BlockIt);
+                       output_html_url(fp_ou,url);
+                       fprintf(fp_ou,"\"><img src=\"%s/sarg-squidguard-block.png\"></a>&nbsp;",ImageFile);
+               }
+               output_html_link(fp_ou,url,100);
+               fputs("</td></tr>\n",fp_ou);
+       }
+       if (FileObject_Close(fp_in)) {
+               debuga(__FILE__,__LINE__,_("Read error in \"%s\": %s\n"),denied_sort,FileObject_GetLastCloseError());
+               exit(EXIT_FAILURE);
+       }
+       longline_destroy(&line);
+
+       if(count>DeniedReportLimit && DeniedReportLimit>0)
+               show_ignored_denied(fp_ou,count-DeniedReportLimit);
+
+       fputs("</table></div>\n",fp_ou);
+       write_html_trailer(fp_ou);
+       if (fclose(fp_ou)==EOF) {
+               debuga(__FILE__,__LINE__,_("Write error in \"%s\": %s\n"),report,strerror(errno));
+               exit(EXIT_FAILURE);
+       }
+
+       if (!KeepTempLog && unlink(denied_sort)==-1)
+               debuga(__FILE__,__LINE__,_("Cannot delete \"%s\": %s\n"),denied_sort,strerror(errno));
+
+       return;
+}
+
+/*!
+Remove any temporary file left by the denied module.
+*/
+void denied_cleanup(void)
+{
+       if (fp_denied){
+               if (fclose(fp_denied)==EOF) {
+                       debuga(__FILE__,__LINE__,_("Write error in \"%s\": %s\n"),denied_unsort,strerror(errno));
+                       exit(EXIT_FAILURE);
+               }
+               fp_denied=NULL;
+       }
+       if (!KeepTempLog && denied_unsort[0]) {
+               if (unlink(denied_unsort)==-1)
+                       debuga(__FILE__,__LINE__,_("Failed to delete \"%s\": %s\n"),denied_unsort,strerror(errno));
+       }
 }