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webdruid.c

/*
    The WebDruid - a web server log analysis program

    Copyright (C) 2003-2004  Fabien Chevalier (fabien@juliana-multimedia.com)

    Original webalizer copyright:
    Copyright (C) 1997-2001  Bradford L. Barrett (brad@mrunix.net)

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version, and provided that the above
    copyright and permission notice is included with all distributed
    copies of this or derived software.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

    This software uses the gd graphics library, which is copyright by
    Quest Protein Database Center, Cold Spring Harbor Labs.  Please
    see the documentation supplied with the library for additional
    information and license terms, or visit www.boutell.com/gd/ for the
    most recent version of the library and supporting documentation.
*/

/*********************************************/
/* STANDARD INCLUDES                         */
/*********************************************/

#include "config.h"

#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>                           /* normal stuff             */
#include <ctype.h>
#include <sys/utsname.h>
#include <sys/times.h>
#include <zlib.h>

/* ensure getopt */
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif

/* ensure sys/types */
#ifndef _SYS_TYPES_H
#include <sys/types.h>
#endif

/* some systems need this */
#ifdef HAVE_MATH_H
#include <math.h>
#endif

/* SunOS 4.x Fix */
#ifndef CLK_TCK
#define CLK_TCK _SC_CLK_TCK
#endif

#ifdef USE_DNS
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>

#ifdef HAVE_DB_185_H
#include <db_185.h>
#else
#include <db.h>
#endif  /* HAVE_DB_185_H */
#endif  /* USE_DNS */

#include "webdruid.h"                         /* main header                   */
#include "output.h"                           /* webalizer compat output       */
#include "xml_output.h"                       /* new XML output                */
#include "preserve.h"                         /* webalizer compat incremental  */
#include "sengine.h"                          /* search engines support        */
#include "logs_mgmt.h"                        /* log files management          */
#include "hashtab.h"                          /* search engines support        */
#include "linklist.h"                         /* generic lists                 */
#include "utils.h"
#include "lang_strings.h"                     /* define strings in this module */
#ifdef USE_DNS
#include "dns_resolv.h"
#endif

/* internal function prototypes */

static void    clear_month();                              /* clear monthly stuff */
static char    *unescape(char *);                          /* unescape URL's      */
static char    from_hex(char);                             /* convert hex to dec  */
static void    print_opts(char *);                         /* print options       */
static void    print_version();                            /* duhh...             */
static int     isurlchar(unsigned char);                   /* valid URL char fnc. */
static void    get_config(char *);                         /* Read a config file  */
static void    save_opt(char **, char *);                  /* save conf option    */
static char    *get_domain(char *);                        /* return domain name  */
static void    print_path_stats(PNODEPTR *, int);          /* devel purpose       */
static void    del_htabs();                                /* delete hash tables  */
static int     apply_monthly_skin(int year, int month);    /* applies skin        */
static int     apply_summary_skin();                       /* applies skin        */

/*********************************************/
/* SHARED GLOBAL VARIABLES                   */
/*********************************************/

int     verbose      = 2;                     /* 2=verbose,1=err, 0=none  */
int     debug_mode   = 0;                     /* debug mode flag          */
int     time_me      = 0;                     /* timing display flag      */
int     local_time   = 1;                     /* 1=localtime 0=GMT (UTC)  */
int     ignore_hist  = 0;                     /* history flag (1=skip)    */
int     use_xml      = 0;                     /* Try new xml output       */
char    *skin_name   = 0;                     /* skin to use              */
int     hourly_graph = 1;                     /* hourly graph display     */
int     hourly_stats = 1;                     /* hourly stats table       */
int     daily_graph  = 1;                     /* daily graph display      */
int     daily_stats  = 1;                     /* daily stats table        */
int     path_graph   = 1;                     /* show path graph          */
int     path_graph_max_paths   =   10;        /* path graph max paths     */
int     users_flow   = 1;                     /* users flow graph         */
int     users_flow_max_edges   =   30;        /* users flow max edges     */
char    *font_face      ;                     /* font face name for gd2   */
int     ctry_graph   = 1;                     /* country graph display    */
int     shade_groups = 1;                     /* Group shading 0=no 1=yes */
int     hlite_groups = 1;                     /* Group hlite 0=no 1=yes   */
int     mangle_agent = 0;                     /* mangle user agents       */
int     incremental  = 0;                     /* incremental mode 1=yes   */
int     use_https    = 0;                     /* use 'https://' on URL's  */
int     visit_timeout= 1800;                  /* visit timeout (seconds)  */
int     graph_legend = 1;                     /* graph legend (1=yes)     */
int     graph_lines  = 2;                     /* graph lines (0=none)     */
int     fold_seq_err = 0;                     /* fold seq err (0=no)      */
int     log_type     = LOG_CLF;               /* (0=clf, 1=ftp, 2=squid)  */
int     group_domains= 0;                     /* Group domains 0=none     */
int     hide_sites   = 0;                     /* Hide ind. sites (0=no)   */
char    *hname       = NULL;                  /* hostname for reports     */
char    *html_ext    = NULL;                  /* HTML file prefix         */
char    *dump_ext    = NULL;                  /* Dump file prefix         */
char    *conf_fname  = NULL;                  /* name of config file      */
char    *out_dir     = NULL;                  /* output directory         */
char    *dot_location= NULL          ;        /* dot exe filename         */
char    *blank_str   = "";                    /* blank string             */
char    *dns_cache   = NULL;                  /* DNS cache file name      */
int     dns_children = 0;                     /* DNS children (0=don't do)*/

int     ntop_sites   = 30;                    /* top n sites to display   */
int     ntop_sitesK  = 10;                    /* top n sites (by kbytes)  */
int     ntop_urls    = 30;                    /* top n url's to display   */
int     ntop_urlsK   = 10;                    /* top n url's (by kbytes)  */
int     ntop_entry   = 10;                    /* top n entry url's        */
int     ntop_exit    = 10;                    /* top n exit url's         */
int     ntop_refs    = 30;                    /* top n referrers ""       */
int     ntop_agents  = 15;                    /* top n user agents ""     */
int     ntop_ctrys   = 30;                    /* top n countries   ""     */
int     ntop_search  = 20;                    /* top n search strings     */
int     ntop_users   = 20;                    /* top n users to display   */

int     all_sites    = 0;                     /* List All sites (0=no)    */
int     all_urls     = 0;                     /* List All URL's (0=no)    */
int     all_refs     = 0;                     /* List All Referrers       */
int     all_agents   = 0;                     /* List All User Agents     */
int     all_search   = 0;                     /* List All Search Strings  */
int     all_users    = 0;                     /* List All Usernames       */

int     dump_sites   = 0;                     /* Dump tab delimited sites */
int     dump_urls    = 0;                     /* URL's                    */
int     dump_refs    = 0;                     /* Referrers                */
int     dump_agents  = 0;                     /* User Agents              */
int     dump_users   = 0;                     /* Usernames                */
int     dump_search  = 0;                     /* Search strings           */
int     dump_header  = 0;                     /* Dump header as first rec */
char    *dump_path   = NULL;                  /* Path for dump files      */

int     cur_year=0, cur_month=0,              /* year/month/day/hour      */
        cur_day=0, cur_hour=0,                /* tracking variables       */
        cur_min=0, cur_sec=0;

u_long  cur_tstamp=0;                         /* Timestamp...             */
u_long  rec_tstamp=0;
u_long  req_tstamp=0;
u_long  epoch;                                /* used for timestamp adj.  */

int     check_dup=0;                          /* check for dup flag       */

double  t_xfer=0.0;                           /* monthly total xfer value */
u_long  t_hit=0,t_file=0,t_site=0,            /* monthly total vars       */
        t_url=0,t_ref=0,t_agent=0,
        t_page=0, t_visit=0, t_user=0;

double  tm_xfer[31];                          /* daily transfer totals    */

u_long  tm_hit[31], tm_file[31],              /* daily total arrays       */
        tm_site[31], tm_page[31],
        tm_visit[31];

u_long  dt_site;                              /* daily 'sites' total      */

u_long  ht_hit=0, mh_hit=0;                   /* hourly hits totals       */

u_long  th_hit[24], th_file[24],              /* hourly total arrays      */
        th_page[24];

double  th_xfer[24];

int     f_day,l_day;                          /* first/last day vars      */

struct  utsname system_info;                  /* system info structure    */

u_long  ul_bogus =0;                          /* Dummy counter for groups */

struct  log_struct log_rec;                   /* expanded log storage     */

time_t  now;                                  /* used by cur_time funct   */
struct  tm *tp;                               /* to generate timestamp    */
char    timestamp[32];                        /* for the reports          */

char    tmp_buf[BUFSIZE];                     /* used to temp save above  */

CLISTPTR *top_ctrys    = NULL;                /* Top countries table      */

/*********************************************/
/* GLOBAL VARIABLES                          */
/*********************************************/

char    *version     = "0.5.4";                  /* program version          */
char    *moddate   = "22th June 2004";          /* modification date        */
char    *copyright  = "Copyright (C) 2003-2004 Fabien Chevalier";

const char *optstring =
   "a:A:c:C:dD:e:E:fF:g:GhHiI:l:Lm:M:n:N:o:pP:qQr:R:s:S:t:Tu:U:vVx:XY";

const char *kwords[]= { "Undefined",         /* 0 = undefined keyword       0  */
                        "OutputDir",         /* Output directory            1  */
                        "LogFile",           /* Log file to use for input   2  */
                        "ReportTitle",       /* Title for reports           3  */
                        "HostName",          /* Hostname to use             4  */
                        "IgnoreHist",        /* Ignore history file         5  */
                        "Quiet",             /* Run in quiet mode           6  */
                        "TimeMe",            /* Produce timing results      7  */
                        "Debug",             /* Produce debug information   8  */
                        "HourlyGraph",       /* Hourly stats graph          9  */
                        "HourlyStats",       /* Hourly stats table         10  */
                        "TopSites",          /* Top sites                  11  */
                        "TopURLs",           /* Top URL's                  12  */
                        "TopReferrers",      /* Top Referrers              13  */
                        "TopAgents",         /* Top User Agents            14  */
                        "TopCountries",      /* Top Countries              15  */
                        "HideSite",          /* Sites to hide              16  */
                        "HideURL",           /* URL's to hide              17  */
                        "HideReferrer",      /* Referrers to hide          18  */
                        "HideAgent",         /* User Agents to hide        19  */
                        "IndexAlias",        /* Aliases for index.html     20  */
                        "HTMLHead",          /* HTML Top1 code             21  */
                        "HTMLPost",          /* HTML Top2 code             22  */
                        "HTMLTail",          /* HTML Tail code             23  */
                        "MangleAgents",      /* Mangle User Agents         24  */
                        "IgnoreSite",        /* Sites to ignore            25  */
                        "IgnoreURL",         /* Url's to ignore            26  */
                        "IgnoreReferrer",    /* Referrers to ignore        27  */
                        "IgnoreAgent",       /* User Agents to ignore      28  */
                        "ReallyQuiet",       /* Dont display ANY messages  29  */
                        "GMTTime",           /* Local or UTC time?         30  */
                        "GroupURL",          /* Group URL's                31  */
                        "GroupSite",         /* Group Sites                32  */
                        "GroupReferrer",     /* Group Referrers            33  */
                        "GroupAgent",        /* Group Agents               34  */
                        "GroupShading",      /* Shade Grouped entries      35  */
                        "GroupHighlight",    /* BOLD Grouped entries       36  */
                        "Incremental",       /* Incremental runs           37  */
                        "IncrementalName",   /* Filename for state data    38  */
                        "HistoryName",       /* Filename for history data  39  */
                        "HTMLExtension",     /* HTML filename extension    40  */
                        "HTMLPre",           /* HTML code at beginning     41  */
                        "HTMLBody",          /* HTML body code             42  */
                        "HTMLEnd",           /* HTML code at end           43  */
                        "UseHTTPS",          /* Use https:// on URL's      44  */
                        "IncludeSite",       /* Sites to always include    45  */
                        "IncludeURL",        /* URL's to always include    46  */
                        "IncludeReferrer",   /* Referrers to include       47  */
                        "IncludeAgent",      /* User Agents to include     48  */
                        "PageType",          /* Page Type (pageview)       49  */
                        "VisitTimeout",      /* Visit timeout (seconds)    50  */
                        "GraphLegend",       /* Graph Legends (yes/no)     51  */
                        "GraphLines",        /* Graph Lines (0=none)       52  */
                        "FoldSeqErr",        /* Fold sequence errors       53  */
                        "CountryGraph",      /* Display ctry graph (0=no)  54  */
                        "TopKSites",         /* Top sites (by KBytes)      55  */
                        "TopKURLs",          /* Top URL's (by KBytes)      56  */
                        "TopEntry",          /* Top Entry Pages            57  */
                        "TopExit",           /* Top Exit Pages             58  */
                        "TopSearch",         /* Top Search Strings         59  */
                        "LogType",           /* Log Type (clf/ftp/squid)   60  */
                        "SearchEngine",      /* SearchEngine strings       61  */
                        "GroupDomains",      /* Group domains (n=level)    62  */
                        "HideAllSites",      /* Hide ind. sites (0=no)     63  */
                        "AllSites",          /* List all sites?            64  */
                        "AllURLs",           /* List all URLs?             65  */
                        "AllReferrers",      /* List all Referrers?        66  */
                        "AllAgents",         /* List all User Agents?      67  */
                        "AllSearchStr",      /* List all Search Strings?   68  */
                        "AllUsers",          /* List all Users?            69  */
                        "TopUsers",          /* Top Usernames to show      70  */
                        "HideUser",          /* Usernames to hide          71  */
                        "IgnoreUser",        /* Usernames to ignore        72  */
                        "IncludeUser",       /* Usernames to include       73  */
                        "GroupUser",         /* Usernames to group         74  */
                        "DumpPath",          /* Path for dump files        75  */
                        "DumpExtension",     /* Dump filename extension    76  */
                        "DumpHeader",        /* Dump header as first rec?  77  */
                        "DumpSites",         /* Dump sites tab file        78  */
                        "DumpURLs",          /* Dump urls tab file         79  */
                        "DumpReferrers",     /* Dump referrers tab file    80  */
                        "DumpAgents",        /* Dump user agents tab file  81  */
                        "DumpUsers",         /* Dump usernames tab file    82  */
                        "DumpSearchStr",     /* Dump search str tab file   83  */
                        "DNSCache",          /* DNS Cache file name        84  */
                        "DNSChildren",       /* DNS Children (0=no DNS)    85  */
                        "DailyGraph",        /* Daily Graph (0=no)         86  */
                        "DailyStats",        /* Daily Stats (0=no)         87  */
                        "PathGraph",         /* show path graph            88  */
                        "PathGraphMaxPaths", /* obvious                    89  */
                        "UsersFlow",         /* show users flow graph      90  */
                        "UsersFlowMaxEdges", /* obvious                    91  */
                        "Skin",              /* Skin to use                92  */
                        "XMLOutput",         /* try new XML backend        93  */
                        "DotLocation",       /* dot exe filename           94  */
                        "FontFace"           /* font face name for gd2     95  */
                     };

/*********************************************/
/* MAIN - start here                         */
/*********************************************/

int main(int argc, char *argv[])
{
   int      i;                           /* generic counter             */
   char     *cp1, *cp2, *cp3, *str;      /* generic char pointers       */
   NLISTPTR lptr;                        /* generic list pointer        */

   extern char *optarg;                  /* used for command line       */
   extern int optind;                    /* parsing routine 'getopt'    */
   extern int opterr;

   time_t start_time, end_time;          /* program timers              */
   float  temp_time;                     /* temporary time storage      */
   struct tms     mytms;                 /* bogus tms structure         */

   int    good_rec    =0;                /* 1 if we had a good record   */

   int    max_ctry;                      /* max countries defined       */

   char * current_locale;                /* en_US, ...or something else */

   int    one_true_file;                 /* Keep in mind if we will
                                            process one true file
                                            (e.g. not STDIN)            */

   current_locale = setlocale (LC_ALL, "");
   bindtextdomain ("webdruid", LOCALEDIR);
   textdomain ("webdruid");

   /* set sensible default font path if not set */
   if(getenv("GDFONTPATH") == 0)
      setenv("GDFONTPATH", "/usr/share/fonts/truetype/freefont:/usr/share/fonts/truetype:/usr/share/fonts/freefont", 1);

   /* We choose default font face for gd2 (charts + dot graphs): FreeSerif */
   save_opt(&font_face, "FreeSerif");

   /* initalize epoch */
   epoch=jdate(1,1,1970);                /* used for timestamp adj.     */

   /* add default index. alias */
   add_nlist("index.",&index_alias);

   /* set default skin name */
   save_opt(&skin_name, "classic");

   /* set default dot location */
   save_opt(&dot_location, "/usr/bin/dot");

   sprintf(tmp_buf,"%s/webdruid/webdruid.conf", SYSCONFDIR);
   /* check for default config file */
   if (!access("webdruid.conf", R_OK))
      get_config("webdruid.conf");
   /* if not any try to read global file */
   else if (!access(tmp_buf, R_OK))
      get_config(tmp_buf);

   /* get command line options */
   opterr = 0; /* disable parser errors */
   /* We must deal with the -c option first (Debian bug #240931) */
   while ((i = getopt(argc, argv, optstring)) != -1)
   {
      if(i == 'c') /* Config file */
         get_config(optarg);
   }

   optind = 0; /* we need to reinit the options index counter */
   while ((i = getopt(argc, argv, optstring)) != -1)
   {
      switch (i)
      {
        case 'a': add_nlist(optarg,&hidden_agents);  break;  /* Hide agents         */
        case 'A': ntop_agents=atoi(optarg);          break;  /* Top agents          */
        case 'c': /* Treated above, do nothing */    break;  /* Config file         */
        case 'C': ntop_ctrys=atoi(optarg);           break;  /* Top countries       */
        case 'd': debug_mode=1;                      break;  /* Debug               */
        case 'D': save_opt(&dns_cache, optarg);      break;  /* DNS Cache filename  */
        case 'e': ntop_entry=atoi(optarg);           break;  /* Top entry pages     */
        case 'E': ntop_exit=atoi(optarg);            break;  /* Top exit pages      */
        case 'f': fold_seq_err=1;                    break;  /* Fold sequence errs  */
        case 'F': log_type=(optarg[0]=='w')?
                   LOG_W3C:LOG_CLF;                  break;  /* LogType             */
        case 'g': group_domains=atoi(optarg);        break;  /* GroupDomains (0=no) */
        case 'G': hourly_graph=0;                    break;  /* no hourly graph     */
        case 'h': print_opts(argv[0]);               break;  /* help                */
        case 'H': hourly_stats=0;                    break;  /* no hourly stats     */
        case 'i': ignore_hist=1;                     break;  /* Ignore history      */
        case 'I': add_nlist(optarg,&index_alias);    break;  /* Index alias         */
        case 'l': graph_lines=atoi(optarg);          break;  /* Graph Lines         */
        case 'L': graph_legend=0;                    break;  /* Graph Legends       */
        case 'm': visit_timeout=atoi(optarg);        break;  /* Visit Timeout       */
        case 'M': mangle_agent=atoi(optarg);         break;  /* mangle user agents  */
        case 'n': save_opt(&hname, optarg);          break;  /* Hostname            */
        case 'N': dns_children=atoi(optarg);         break;  /* # of DNS children   */
        case 'o': save_opt(&out_dir, optarg);        break;  /* Output directory    */
        case 'p': incremental=1;                     break;  /* Incremental run     */
        case 'P': add_nlist(optarg,&page_type);      break;  /* page view types     */
        case 'q': verbose=1;                         break;  /* Quiet (verbose=1)   */
        case 'Q': verbose=0;                         break;  /* Really Quiet        */
        case 'r': add_nlist(optarg,&hidden_refs);    break;  /* Hide referrer       */
        case 'R': ntop_refs=atoi(optarg);            break;  /* Top referrers       */
        case 's': add_nlist(optarg,&hidden_sites);   break;  /* Hide site           */
        case 'S': ntop_sites=atoi(optarg);           break;  /* Top sites           */
        case 't': save_opt(&msg_title, optarg);      break;  /* Report title        */
        case 'T': time_me=1;                         break;  /* TimeMe              */
        case 'u': add_nlist(optarg,&hidden_urls);    break;  /* hide URL            */
        case 'U': ntop_urls=atoi(optarg);            break;  /* Top urls            */
        case 'v':
        case 'V': print_version();
                  clean_exit(0);                     break;  /* Version             */
        case 'x': save_opt(&html_ext, optarg);       break;  /* HTML file extension */
        case 'X': hide_sites=1;                      break;  /* Hide ind. sites     */
        case 'Y': ctry_graph=0;                      break;  /* Supress ctry graph  */
      }

   }

   /* Be polite and announce yourself... */
   if (verbose > 1)
   {
      print_version();
   }

   /* Set default parameters if needed */
   if(html_ext == NULL)
      save_opt(&html_ext, "html");
   if(dump_ext == NULL)
      save_opt(&dump_ext, "tab");

   /* Adding log files */
   one_true_file = (logs_nr_files() > 0); /* There is at least one valid LogFile directive in config file */
   for(i = optind; i < argc; i++)
   {
      if(argv[i][0] == '-')
         logs_add_stdin();
      else if(logs_add_file(argv[i]) != 0)
         clean_exit(1);
      else
         one_true_file = 1; /* We will deal with at least one != STDIN file */
   }
   if(logs_nr_files() == 0)
      logs_add_stdin(); /* At least add STDIN */


   /* setup our internal variables */
   init_counters();                      /* initalize main counters         */

   if (page_type==NULL)                  /* check if page types present     */
   {
      add_nlist("htm*"  ,&page_type); /* if no page types specified, we  */
      add_nlist("php*"  ,&page_type); /* use the default ones here...    */
      add_nlist("cgi"   ,&page_type);
      if (!isinlist(page_type,html_ext)) add_nlist(html_ext,&page_type);
   }

   for (max_ctry=0;ctry[max_ctry].desc;max_ctry++);
   if (ntop_ctrys > max_ctry) ntop_ctrys = max_ctry;   /* force upper limit */
   if (graph_lines> 20)       graph_lines= 20;         /* keep graphs sane! */

   /* ensure entry/exits don't exceed urls */
   i=(ntop_urls>ntop_urlsK)?ntop_urls:ntop_urlsK;
   if (ntop_entry>i) ntop_entry=i;
   if (ntop_exit>i)  ntop_exit=i;

   for (i=0;i<MAXHASH;i++)
   {
      sm_htab[i]=sd_htab[i]=NULL;        /* initalize hash tables           */
      um_htab[i]=NULL;
      rm_htab[i]=NULL;
      am_htab[i]=NULL;
      op_htab[i]=NULL;
      gp_htab[i]=NULL;
      fm_htab[i]=NULL;
   }

#ifndef USE_DNS
   if (strstr(argv[0],"webdruid-resolve")!=0)
   {
      printf("DNS support not present, aborting...\n");
      clean_exit(1);
   }
#endif  /* USE_DNS */

   /* switch directories if needed */
   if (out_dir)
   {
      if (chdir(out_dir) != 0)
      {
         /* Error: Can't change directory to ... */
         fprintf(stderr, "%s %s\n",_("Error: Can't change directory to"),out_dir);
         clean_exit(1);
      }
   }

#ifdef USE_DNS
   if (strstr(argv[0],"webdruid-resolve")!=0)
   {
      if (!dns_children) dns_children=5;  /* default dns children if needed */
      if (!dns_cache)
      {
         /* No cache file specified, aborting... */
         fprintf(stderr,"%s\n",_("No cache file specified, aborting..."));     /* Must have a cache file */
         clean_exit(1);
      }
   }

   if (dns_cache && dns_children)    /* run-time resolution */
   {
      if (dns_children > MAXCHILD) dns_children=MAXCHILD;
      /* DNS Lookup (#children): */
      if (verbose>1) printf("%s (%d): ",_("DNS Lookup"),dns_children);
      fflush(stdout);

      /* let's to lookups for log records */
      dns_resolver();

      if(one_true_file == 0)
         clean_exit(0); /* exit if the only file we ran on was stdin */
   }

   if (strstr(argv[0],"webdruid-resolve")!=0)
   {
      clean_exit(0);   /* webdruid-resolve exits here */
   }

   if (dns_cache)
   {
      if (!open_cache()) { dns_cache=NULL; dns_db=NULL; }
      else
      {
         /* Using DNS cache file <filaneme> */
         if (verbose>1) printf("%s %s\n",_("Using DNS cache file"),dns_cache);
      }
   }
#endif  /* USE_DNS */

   /* let's load engines databases if needed */
   if(ntop_search > 0)
   {
      if ( verbose > 1 ) {
         printf(_("Loading search engines list..."));
         fflush(stdout);
      }

      if(sengine_parse(WEBDRUIDDATADIR ENGINES_FNAME) != 0)
      {
         if ( verbose > 1 )
         {
            printf("%s\n",_("Could not load shared search engines list, aborting."));
         }
         clean_exit(1);
      }

      /* Try to load local engines list */
      if(access(SYSCONFDIR "/webdruid/" ENGINES_FNAME, R_OK) == 0)
      {
         if(sengine_parse(SYSCONFDIR "/webdruid/" ENGINES_FNAME) != 0)
         {
            if ( verbose > 1 )
            {
               printf("%s\n",_("Could not load local search engines list, aborting."));
            }
            clean_exit(1);
         }
      }

      if ( verbose > 1 )
         printf("%s\n", _("Ok"));

      sp_table = sengine_make_table();
   }

   /* Creating output in ... */
   if (verbose>1)
      printf("%s %s\n",_("Creating output in"),out_dir?out_dir:_("current directory"));

   /* prep hostname */
   if (!hname)
   {
      if (uname(&system_info))
         save_opt(&hname, "localhost");
      else
         save_opt(&hname, system_info.nodename);
   }

   /* Hostname for reports is ... */
   if (verbose>1) printf("%s '%s'\n",_("Hostname for reports is"),hname);

   /* get past history */
   if (ignore_hist) {if (verbose>1) printf("%s\n",_("Ignoring previous history...")); }
   else get_history();

   if (incremental)                      /* incremental processing?         */
   {
      if ((i=restore_state()))           /* restore internal data structs   */
      {
         /* Error: Unable to restore run data (error num) */
         /* if (verbose) fprintf(stderr,"%s (%d)\n",_("msg_bad_data"),i); */
         fprintf(stderr,"%s (%d)\n",_("Error: Unable to restore run data"),i);
         clean_exit(1);
      }
   }

   /* Allocate memory for our TOP countries array */
   if (ntop_ctrys  != 0)
   { if ( (top_ctrys=calloc(ntop_ctrys,sizeof(CLISTPTR))) == NULL)
    /* Can't get memory, Top Countries disabled! */
    {if (verbose) fprintf(stderr,"%s\n",_("Can't allocate enough memory, Top Countries disabled!")); ntop_ctrys=0;}}

   /* check for dot executable if needed */
   if((path_graph != 0) || (users_flow != 0))
   {
      if(access(dot_location, X_OK) != 0)
      {
        if(verbose)
            fprintf(stderr, _("We won't be able execute %s : disabling TopPath & UsersFlow outputs\n"), dot_location);
        path_graph = 0;
        users_flow = 0;
      }
   }

   start_time = times(&mytms);

   /*********************************************/
   /* MAIN PROCESS LOOP - read through log file */
   /*********************************************/

   while (logs_next_record(&log_rec) == 0)
   {
      {
         /*********************************************/
         /* GOOD RECORD, CHECK INCREMENTAL/TIMESTAMPS */
         /*********************************************/

         /* Flag as a good one */
         good_rec = 1;

         /* get current records timestamp (seconds since epoch) */
         req_tstamp=cur_tstamp;
         rec_tstamp=((jdate(log_rec.day,log_rec.month,log_rec.year)-epoch)*86400)+
                     (log_rec.hour*3600)+(log_rec.min*60)+log_rec.sec;

         /* Do we need to check for duplicate records? (incremental mode)   */
         if (check_dup)
         {
            /* check if less than/equal to last record processed            */
            if ( rec_tstamp <= cur_tstamp )
            {
               /* if it is, assume we have already processed and ignore it  */
               total_ignore++;
               continue;
            }
            else
            {
               /* if it isn't.. disable any more checks this run            */
               check_dup=0;
               /* now check if it's a new month                             */
               if (cur_month != log_rec.month)
               {
                  flush_ophtab(0);              /* flush all open path      */
                  clear_month();
                  cur_sec    = log_rec.sec;     /* set current counters     */
                  cur_min    = log_rec.min;
                  cur_hour   = log_rec.hour;
                  cur_day    = log_rec.day;
                  cur_month  = log_rec.month;
                  cur_year   = log_rec.year;
                  cur_tstamp = rec_tstamp;
                  f_day = l_day = log_rec.day;  /* reset first and last day */
               }
            }
         }

         /* check for out of sequence records */
         if (rec_tstamp/3600 < cur_tstamp/3600)
         {
            if (!fold_seq_err && ((rec_tstamp+SLOP_VAL)/3600<cur_tstamp/3600) )
               { total_ignore++; continue; }
            else
            {
               log_rec.sec   = cur_sec;             /* if folding sequence      */
               log_rec.min   = cur_min;             /* errors, just make it     */
               log_rec.hour  = cur_hour;            /* look like the last       */
               log_rec.day   = cur_day;             /* good records timestamp   */
               log_rec.month = cur_month;
               log_rec.year  = cur_year;
               rec_tstamp= cur_tstamp;
            }
         }
         cur_tstamp=rec_tstamp;                 /* update current timestamp */

         /*********************************************/
         /* DO SOME PRE-PROCESS FORMATTING            */
         /*********************************************/

         /* fix URL field */
         cp1 = cp2 = log_rec.url;
         /* handle null '-' case here... */
         if (*++cp1 == '-') { *cp2++ = '-'; *cp2 = '\0'; }
         else
         {
            /* strip actual URL out of request */
            while  ( (*cp1 != ' ') && (*cp1 != '\0') ) cp1++;
            if (*cp1 != '\0')
            {
               /* scan to begin of actual URL field */
               while ((*cp1 == ' ') && (*cp1 != '\0')) cp1++;
               /* remove duplicate / if needed */
               if (( *cp1=='/') && (*(cp1+1)=='/')) cp1++;
               while ((*cp1 != ' ')&&(*cp1 != '"')&&(*cp1 != '\0'))
                  *cp2++ = *cp1++;
               *cp2 = '\0';
            }
         }

         /* un-escape URL */
         unescape(log_rec.url);

         /* check for service (ie: http://) and lowercase if found */
         if ( (cp2=strstr(log_rec.url,"://")) != NULL)
         {
            cp1=log_rec.url;
            while (cp1!=cp2)
            {
               if ( (*cp1>='A') && (*cp1<='Z')) *cp1 += 'a'-'A';
               cp1++;
            }
         }

         /* strip query portion of cgi scripts */
         cp1 = log_rec.url;
         while (*cp1 != '\0')
         if (!isurlchar(*cp1)) { *cp1 = '\0'; break; }
         else cp1++;
         if (log_rec.url[0]=='\0')
         { log_rec.url[0]='/'; log_rec.url[1]='\0'; }

         /* strip off index.html (or any aliases) */
         lptr=index_alias;
         while (lptr!=NULL)
         {
            if ((cp1=strstr(log_rec.url,lptr->string))!=NULL)
            {
               if ((cp1==log_rec.url)||(*(cp1-1)=='/'))
               {
                  *cp1='\0';
                  if (log_rec.url[0]=='\0')
                  { log_rec.url[0]='/'; log_rec.url[1]='\0'; }
                  break;
               }
            }
            lptr=lptr->next;
         }

         /* unescape referrer */
         unescape(log_rec.refer);

         /* fix referrer field */
         cp1 = log_rec.refer;
         cp3 = cp2 = cp1++;
         if ( (*cp2 != '\0') && (*cp2 == '"') )
         {
            while ( *cp1 != '\0' )
            {
               cp3=cp2;
               if ((*cp1<32&&*cp1>0) || *cp1==127 || *cp1=='<') *cp1=0;
               else *cp2++=*cp1++;
            }
            *cp3 = '\0';
         }

         /* strip query portion of cgi referrals */
         cp1 = log_rec.refer;
         if (*cp1 != '\0')
         {
            while (*cp1 != '\0')
            {
               if (!isurlchar(*cp1))
               {
                  /* Save query portion in log.rec.srchstr */
                  strncpy(log_rec.srchstr,cp1,MAXSRCH);
                  *cp1++='\0';
                  break;
               }
               else cp1++;
            }
            /* handle null referrer */
            if (log_rec.refer[0]=='\0')
            { log_rec.refer[0]='-'; log_rec.refer[1]='\0'; }
         }

         /* if HTTP request, lowercase http://sitename/ portion */
         cp1 = log_rec.refer;
         if ( (*cp1=='h') || (*cp1=='H'))
         {
            while ( (*cp1!='/') && (*cp1!='\0'))
            {
               if ( (*cp1>='A') && (*cp1<='Z')) *cp1 += 'a'-'A';
               cp1++;
            }
            /* now do hostname */
            if ( (*cp1=='/') && ( *(cp1+1)=='/')) {cp1++; cp1++;}
            while ( (*cp1!='/') && (*cp1!='\0'))
            {
               if ( (*cp1>='A') && (*cp1<='Z')) *cp1 += 'a'-'A';
               cp1++;
            }
         }

         /* Do we need to mangle? */
         if (mangle_agent)
         {
            str=cp2=log_rec.agent;
      cp1=strstr(str,"ompatible"); /* check known fakers */
      if (cp1!=NULL) {
      while (*cp1!=';'&&*cp1!='\0') cp1++;

      /* kludge for Mozilla/3.01 (compatible;) */
      if (*cp1++==';' && strcmp(cp1,")\"")) { /* success! */
            /* Opera can hide as MSIE */
            cp3=strstr(str,"Opera");
            if (cp3!=NULL)
            {
               while (*cp3!='.'&&*cp3!='\0')
               {
                  if(*cp3=='/')
                        *cp2++=' ';
                  else
                        *cp2++=*cp3;
                  cp3++;
               }
               cp1=cp3;
            }
            else
            {
               while (*cp1 == ' ') cp1++; /* eat spaces */
               while (*cp1!='.'&&*cp1!='\0'&&*cp1!=';') *cp2++=*cp1++;
            }
            if (mangle_agent<5)
            {
               while (*cp1!='.'&&*cp1!=';'&&*cp1!='\0') *cp2++=*cp1++;
               if (*cp1!=';'&&*cp1!='\0') {
                  *cp2++=*cp1++;
                  *cp2++=*cp1++;
               }
            }
            if (mangle_agent<4)
               if (*cp1>='0'&&*cp1<='9') *cp2++=*cp1++;
            if (mangle_agent<3)
               while (*cp1!=';'&&*cp1!='\0'&&*cp1!='('&&*cp1!=' ') *cp2++=*cp1++;
            if (mangle_agent<2)
            {
            /* Level 1 - try to get OS */
            cp1=strstr(str,")");
            if (cp1!=NULL)
            {
               *cp2++=' ';
               *cp2++='(';
               while (*cp1!=';'&&*cp1!='('&&cp1!=str) cp1--;
               if (cp1!=str&&*cp1!='\0') cp1++;
               while (*cp1==' '&&*cp1!='\0') cp1++;
               while (*cp1!=')'&&*cp1!='\0') *cp2++=*cp1++;
               *cp2++=')';
            }
            }
            *cp2='\0';
      } else { /* nothing after "compatible", should we mangle? */
            /* not for now */
      }
      } else {
            cp1=strstr(str,"Opera");  /* Opera flavor         */
            if (cp1!=NULL)
            {
               while (*cp1!='/'&&*cp1!=' '&&*cp1!='\0') *cp2++=*cp1++;
               while (*cp1!='.'&&*cp1!='\0') {
                           if(*cp1=='/')
                              *cp2++=' ';
                           else
                              *cp2++=*cp1;
                           cp1++;
               }
               if (mangle_agent<5)
               {
               while (*cp1!='.'&&*cp1!='\0') *cp2++=*cp1++;
               *cp2++=*cp1++;
               *cp2++=*cp1++;
               }
               if (mangle_agent<4)
               if (*cp1>='0'&&*cp1<='9') *cp2++=*cp1++;
               if (mangle_agent<3)
               while (*cp1!=' '&&*cp1!='\0'&&*cp1!='(')
                  *cp2++=*cp1++;
               if (mangle_agent<2)
               {
               cp1=strstr(str,"(");
               if (cp1!=NULL)
               {
                  cp1++;
                  *cp2++=' ';
                  *cp2++='(';
                  while (*cp1!=';'&&*cp1!=')'&&*cp1!='\0')
                  *cp2++=*cp1++;
                  *cp2++=')';
               }
               }
               *cp2='\0';
            } else {
               cp1=strstr(str,"Mozilla");  /* Netscape flavor      */
               if (cp1!=NULL)
               {
                  while (*cp1!='/'&&*cp1!=' '&&*cp1!='\0') *cp2++=*cp1++;
                  if (*cp1==' ') *cp1='/';
                  while (*cp1!='.'&&*cp1!='\0') *cp2++=*cp1++;
                  if (mangle_agent<5)
                  {
                        while (*cp1!='.'&&*cp1!='\0') *cp2++=*cp1++;
                        *cp2++=*cp1++;
                        *cp2++=*cp1++;
                  }
                  if (mangle_agent<4)
                        if (*cp1>='0'&&*cp1<='9') *cp2++=*cp1++;
                  if (mangle_agent<3)
                        while (*cp1!=' '&&*cp1!='\0'&&*cp1!='(')
                        *cp2++=*cp1++;
                  if (mangle_agent<2)
                  {
                        /* Level 1 - Try to get OS */
                        cp1=strstr(str,"(");
                        if (cp1!=NULL)
                        {
                        cp1++;
                        *cp2++=' ';
                        *cp2++='(';
                        while (*cp1!=';'&&*cp1!=')'&&*cp1!='\0')
                           *cp2++=*cp1++;
                        *cp2++=')';
                        }
                  }
                  *cp2='\0';
               }
            }
      }
   }

         /* if necessary, shrink referrer to fit storage */
         if (strlen(log_rec.refer)>=MAXREFH)
         {
            if (verbose) fprintf(stderr,"%s [%lu]\n",
               _("Warning: Truncating oversized referrer field"),total_rec);
            log_rec.refer[MAXREFH-1]='\0';
         }

         /* if necessary, shrink URL to fit storage */
         if (strlen(log_rec.url)>=MAXURLH)
         {
            if (verbose) fprintf(stderr,"%s [%lu]\n",
               _("Warning: Truncating oversized request field"),total_rec);
            log_rec.url[MAXURLH-1]='\0';
         }

         /* fix user agent field */
         cp1 = log_rec.agent;
         cp3 = cp2 = cp1++;
         if ( (*cp2 != '\0') && ((*cp2 == '"')||(*cp2 == '(')) )
         {
            while (*cp1 |= '\0') { cp3 = cp2; *cp2++ = *cp1++; }
            *cp3 = '\0';
         }
         cp1 = log_rec.agent;    /* CHANGE !!! */
         while (*cp1 != 0)       /* get rid of more common _bad_ chars ;)   */
         {
            if ( (*cp1 < 32) || (*cp1==127) || (*cp1=='<') || (*cp1=='>') )
               { *cp1='\0'; break; }
            else cp1++;
         }

         /* fix username if needed */
         if (log_rec.ident[0]==0)
         {  log_rec.ident[0]='-'; log_rec.ident[1]='\0'; }
         else
         {
            cp3=log_rec.ident;
            while (*cp3>=32 && *cp3!='"') cp3++;
            *cp3='\0';
         }
         /* unescape user name */
         unescape(log_rec.ident);

         /********************************************/
         /* PROCESS RECORD                           */
         /********************************************/

         /* first time through? */
         if (cur_month == 0)
         {
            /* if yes, init our date vars */
            cur_month = log_rec.month;
            cur_year  = log_rec.year;
            cur_day   = log_rec.day;
            cur_hour  = log_rec.hour;
            cur_min   = log_rec.min;
            cur_sec   = log_rec.sec;
            f_day     = log_rec.day;
         }

         /* adjust last day processed if different */
         if (log_rec.day > l_day) l_day = log_rec.day;

         /* update min/sec stuff */
         if (cur_sec != log_rec.sec) cur_sec = log_rec.sec;
         if (cur_min != log_rec.min) cur_min = log_rec.min;

         /* check for hour change  */
         if (cur_hour != log_rec.hour)
         {
            /* if yes, init hourly stuff */
            if (ht_hit > mh_hit) mh_hit = ht_hit;
            ht_hit = 0;
            cur_hour = log_rec.hour;
         }

         /* check for day change   */
         if (cur_day != log_rec.day)
         {
            /* if yes, init daily stuff */
            tm_site[cur_day-1]=dt_site; dt_site=0;
            tm_visit[cur_day-1]=tot_visit(sd_htab);
            del_hlist(sd_htab);
            cur_day = log_rec.day;
         }

         /* check for month change */
         if (cur_month != log_rec.month)
         {
            /* if yes, do monthly stuff */
            t_visit=tot_visit(sm_htab);
            flush_ophtab(0);                  /* flush all open path     */
            month_update_exit(req_tstamp);    /* process exit pages      */
            if(use_xml)
               write_month_xml();            /* generate XML for month */
            write_month_html();               /* generate HTML for month */
            if(use_xml)
            {
               write_history_xml();              /* TODO: Drop This one... */
               if(apply_monthly_skin(cur_year, cur_month)) /* TODO: Drop This one... */
               {
                  printf("Skin failed, aborting...\n");
                  clean_exit(1);
               }
            }
            clear_month();
            cur_month     = log_rec.month;            /* update our flags        */
            cur_year      = log_rec.year;
            f_day = l_day = log_rec.day;
         }

#ifdef USE_DNS
         /* Resolve IP address if needed */
         if (dns_db)
         {
         #ifdef USE_IPV6
            struct addrinfo hints, *ares;
            memset(&hints, 0, sizeof(hints));
            hints.ai_family = AF_UNSPEC;
            hints.ai_socktype = SOCK_STREAM;
            hints.ai_flags = AI_NUMERICHOST;
            if (0 == getaddrinfo(log_rec.hostname, "0", &hints, &ares)) {
               freeaddrinfo(ares);
               resolve_dns(&log_rec);
            }
         #else
            if (inet_addr(log_rec.hostname) != INADDR_NONE)
            resolve_dns(&log_rec);
         #endif
         }
#endif

         /* lowercase hostname */
         cp1 = log_rec.hostname;
         while (*cp1 != '\0')
         {
            if ( (*cp1>='A') && (*cp1<='Z') ) *cp1 += 'a'-'A';
            if ( (isalnum((int)*cp1))||(*cp1=='.')||(*cp1=='-') ) cp1++;
            else *cp1='\0';
         }

         /* Catch blank hostnames here */
         if (log_rec.hostname[0]=='\0')
            strncpy(log_rec.hostname,"Unknown",8);

         /* Ignore/Include check */
         if ( (isinlist(include_sites,log_rec.hostname)==NULL) &&
            (isinlist(include_urls,log_rec.url)==NULL)       &&
            (isinlist(include_refs,log_rec.refer)==NULL)     &&
            (isinlist(include_agents,log_rec.agent)==NULL)   &&
            (isinlist(include_users,log_rec.ident)==NULL)    )
         {
            if (isinlist(ignored_sites,log_rec.hostname)!=NULL)
            { total_ignore++; continue; }
            if (isinlist(ignored_urls,log_rec.url)!=NULL)
            { total_ignore++; continue; }
            if (isinlist(ignored_agents,log_rec.agent)!=NULL)
            { total_ignore++; continue; }
            if (isinlist(ignored_refs,log_rec.refer)!=NULL)
            { total_ignore++; continue; }
            if (isinlist(ignored_users,log_rec.ident)!=NULL)
            { total_ignore++; continue; }
         }

         /* Bump response code totals */
         switch (log_rec.resp_code) {
         case RC_CONTINUE:         i=IDX_CONTINUE;         break;
         case RC_SWITCHPROTO:      i=IDX_SWITCHPROTO;      break;
         case RC_OK:               i=IDX_OK;               break;
         case RC_CREATED:          i=IDX_CREATED;          break;
         case RC_ACCEPTED:         i=IDX_ACCEPTED;         break;
         case RC_NONAUTHINFO:      i=IDX_NONAUTHINFO;      break;
         case RC_NOCONTENT:        i=IDX_NOCONTENT;        break;
         case RC_RESETCONTENT:     i=IDX_RESETCONTENT;     break;
         case RC_PARTIALCONTENT:   i=IDX_PARTIALCONTENT;   break;
         case RC_MULTIPLECHOICES:  i=IDX_MULTIPLECHOICES;  break;
         case RC_MOVEDPERM:        i=IDX_MOVEDPERM;        break;
         case RC_MOVEDTEMP:        i=IDX_MOVEDTEMP;        break;
         case RC_SEEOTHER:         i=IDX_SEEOTHER;         break;
         case RC_NOMOD:            i=IDX_NOMOD;            break;
         case RC_USEPROXY:         i=IDX_USEPROXY;         break;
         case RC_MOVEDTEMPORARILY: i=IDX_MOVEDTEMPORARILY; break;
         case RC_BAD:              i=IDX_BAD;              break;
         case RC_UNAUTH:           i=IDX_UNAUTH;           break;
         case RC_PAYMENTREQ:       i=IDX_PAYMENTREQ;       break;
         case RC_FORBIDDEN:        i=IDX_FORBIDDEN;        break;
         case RC_NOTFOUND:         i=IDX_NOTFOUND;         break;
         case RC_METHODNOTALLOWED: i=IDX_METHODNOTALLOWED; break;
         case RC_NOTACCEPTABLE:    i=IDX_NOTACCEPTABLE;    break;
         case RC_PROXYAUTHREQ:     i=IDX_PROXYAUTHREQ;     break;
         case RC_TIMEOUT:          i=IDX_TIMEOUT;          break;
         case RC_CONFLICT:         i=IDX_CONFLICT;         break;
         case RC_GONE:             i=IDX_GONE;             break;
         case RC_LENGTHREQ:        i=IDX_LENGTHREQ;        break;
         case RC_PREFAILED:        i=IDX_PREFAILED;        break;
         case RC_REQENTTOOLARGE:   i=IDX_REQENTTOOLARGE;   break;
         case RC_REQURITOOLARGE:   i=IDX_REQURITOOLARGE;   break;
         case RC_UNSUPMEDIATYPE:   i=IDX_UNSUPMEDIATYPE;   break;
         case RC_RNGNOTSATISFIABLE:i=IDX_RNGNOTSATISFIABLE;break;
         case RC_EXPECTATIONFAILED:i=IDX_EXPECTATIONFAILED;break;
         case RC_SERVERERR:        i=IDX_SERVERERR;        break;
         case RC_NOTIMPLEMENTED:   i=IDX_NOTIMPLEMENTED;   break;
         case RC_BADGATEWAY:       i=IDX_BADGATEWAY;       break;
         case RC_UNAVAIL:          i=IDX_UNAVAIL;          break;
         case RC_GATEWAYTIMEOUT:   i=IDX_GATEWAYTIMEOUT;   break;
         case RC_BADHTTPVER:       i=IDX_BADHTTPVER;       break;
         default:                  i=IDX_UNDEFINED;        break;
         }
         response[i].count++;

         /* now save in the various hash tables... */
         if (log_rec.resp_code==RC_OK || log_rec.resp_code==RC_PARTIALCONTENT)
            i=1; else i=0;

         /* referrer hash table */
         if (ntop_refs)
         {
            if (log_rec.refer[0]!='\0')
            if (put_rnode(log_rec.refer,OBJ_REG,(u_long)1,&t_ref,rm_htab))
            {
            if (verbose)
            fprintf(stderr,"%s %s\n", _("Error adding Referrer node, skipping"), log_rec.refer);
            }
         }

         /* hostname (site) hash table - daily */
         if (put_hnode(log_rec.hostname,OBJ_REG,
            1,(u_long)i,log_rec.xfer_size,&dt_site,
            0,rec_tstamp,"",sd_htab))
         {
            if (verbose)
            /* Error adding host node (daily), skipping .... */
            fprintf(stderr,"%s %s\n",_("Error adding host node (daily), skipping"), log_rec.hostname);
         }

         /* hostname (site) hash table - monthly */
         if (put_hnode(log_rec.hostname,OBJ_REG,
            1,(u_long)i,log_rec.xfer_size,&t_site,
            0,rec_tstamp,"",sm_htab))
         {
            if (verbose)
            /* Error adding host node (monthly), skipping .... */
            fprintf(stderr,"%s %s\n", _("Error adding host node (monthly), skipping"), log_rec.hostname);
         }

         /* user agent hash table */
         if (ntop_agents)
         {
            if (log_rec.agent[0]!='\0')
            if (put_anode(log_rec.agent,OBJ_REG,(u_long)1,&t_agent,am_htab))
            {
            if (verbose)
            fprintf(stderr,"%s %s\n", _("Error adding User Agent node, skipping"), log_rec.agent);
            }
         }

         /* URL/ident hash table (only if valid response code) */
         if ((log_rec.resp_code==RC_OK)||(log_rec.resp_code==RC_NOMOD)||
            (log_rec.resp_code==RC_PARTIALCONTENT))
         {
            /* URL hash table */
            if (put_unode(log_rec.url,OBJ_REG,(u_long)1,
               log_rec.xfer_size,&t_url,(u_long)0,(u_long)0,um_htab))
            {
               if (verbose)
               /* Error adding URL node, skipping ... */
               fprintf(stderr,"%s %s\n", _("Error adding URL node, skipping"), log_rec.url);
            }

            /* ident (username) hash table */
            if (put_inode(log_rec.ident,OBJ_REG,
               1,(u_long)i,log_rec.xfer_size,&t_user,
               0,rec_tstamp,im_htab))
            {
               if (verbose)
               /* Error adding ident node, skipping .... */
               fprintf(stderr,"%s %s\n", _("Error adding Username node, skipping"), log_rec.ident);
            }
         }

         /* bump monthly/daily/hourly totals        */
         t_hit++; ht_hit++;                         /* daily/hourly hits    */
         t_xfer += log_rec.xfer_size;               /* total xfer size      */
         tm_xfer[log_rec.day-1] += log_rec.xfer_size;   /* daily xfer total     */
         tm_hit[log_rec.day-1]++;                       /* daily hits total     */
         th_xfer[log_rec.hour] += log_rec.xfer_size;    /* hourly xfer total    */
         th_hit[log_rec.hour]++;                        /* hourly hits total    */

         /* if RC_OK, increase file counters */
         if (log_rec.resp_code == RC_OK)
         {
            t_file++;
            tm_file[log_rec.day-1]++;
            th_file[log_rec.hour]++;
         }

         if (ispage(log_rec.url))
         {
            /* Pages (pageview) calculation */
            t_page++;
            tm_page[log_rec.day-1]++;
            th_page[log_rec.hour]++;

            /* do search string stuff if needed     */
            if (ntop_search)
            {
               int index = sengine_find(log_rec.refer);

               if(index != -1 && *log_rec.srchstr != 0) /* referrer not empty */
               {
                  char *key_phrase = sengine_search_phrase(index, log_rec.srchstr);
                  if(key_phrase == NULL)
                  {
                     /* Something went wrong */
                     if (verbose)
                     {
                        fprintf(stderr,_("Warning: could not extract search phrase from :\n"));
                        dump_logrec(stderr);
                     }
                  }
                  else
                  {
                     sengine_add_search_phrase(key_phrase, log_rec.url, 1, sp_table, index);
                  }
               }
            }

            /* open path hash table (only if valid response code) */
            if ((path_graph || users_flow) &&
               ((log_rec.resp_code==RC_OK)||(log_rec.resp_code==RC_NOMOD)||
               (log_rec.resp_code==RC_PARTIALCONTENT)))
            {
               /* open path hash table */
               if (add_opitem(log_rec.hostname, log_rec.srchstr,
                              log_rec.ident, log_rec.refer, log_rec.url, rec_tstamp, op_htab))
               {
                  if (verbose)
                     /* Error adding path node, skipping .... */
                     fprintf(stderr,"%s %s %s\n",
                     _("Error adding path node element, skipping"), log_rec.hostname, log_rec.url);
               }
            }
         }

         /*********************************************/
         /* RECORD PROCESSED - DO GROUPS HERE         */
         /*********************************************/

         /* URL Grouping */
         if ( (cp1=isinglist(group_urls,log_rec.url))!=NULL)
         {
            if (put_unode(cp1,OBJ_GRP,(u_long)1,log_rec.xfer_size,
               &ul_bogus,(u_long)0,(u_long)0,um_htab))
            {
               if (verbose)
               /* Error adding URL node, skipping ... */
               fprintf(stderr,"%s %s\n", _("Error adding URL node, skipping"), cp1);
            }
         }

         /* Site Grouping */
         if ( (cp1=isinglist(group_sites,log_rec.hostname))!=NULL)
         {
            if (put_hnode(cp1,OBJ_GRP,1,(u_long)(log_rec.resp_code==RC_OK)?1:0,
                        log_rec.xfer_size,&ul_bogus,
                        0,rec_tstamp,"",sm_htab))
            {
               if (verbose)
               /* Error adding Site node, skipping ... */
               fprintf(stderr,"%s %s\n", _("Error adding host node (monthly), skipping"), cp1);
            }
         }
         else
         {
            /* Domain Grouping */
            if (group_domains)
            {
               cp1 = get_domain(log_rec.hostname);
               if (cp1 != NULL)
               {
                  if (put_hnode(cp1,OBJ_GRP,1,
                     (u_long)(log_rec.resp_code==RC_OK)?1:0,
                     log_rec.xfer_size,&ul_bogus,
                     0,rec_tstamp,"",sm_htab))
                  {
                     if (verbose)
                     /* Error adding Site node, skipping ... */
                     fprintf(stderr,"%s %s\n", _("Error adding host node (monthly), skipping"), cp1);
                  }
               }
            }
         }

         /* Referrer Grouping */
         if ( (cp1=isinglist(group_refs,log_rec.refer))!=NULL)
         {
            if (put_rnode(cp1,OBJ_GRP,(u_long)1,&ul_bogus,rm_htab))
            {
               if (verbose)
               /* Error adding Referrer node, skipping ... */
               fprintf(stderr,"%s %s\n", _("Error adding Referrer node, skipping"), cp1);
            }
         }

         /* User Agent Grouping */
         if ( (cp1=isinglist(group_agents,log_rec.agent))!=NULL)
         {
            if (put_anode(cp1,OBJ_GRP,(u_long)1,&ul_bogus,am_htab))
            {
               if (verbose)
               /* Error adding User Agent node, skipping ... */
               fprintf(stderr,"%s %s\n", _("Error adding User Agent node, skipping"), cp1);
            }
         }

         /* Ident (username) Grouping */
         if ( (cp1=isinglist(group_users,log_rec.ident))!=NULL)
         {
            if (put_inode(cp1,OBJ_GRP,1,(u_long)(log_rec.resp_code==RC_OK)?1:0,
                        log_rec.xfer_size,&ul_bogus,
                        0,rec_tstamp,im_htab))
            {
               if (verbose)
               /* Error adding Username node, skipping ... */
               fprintf(stderr,"%s %s\n", _("Error adding Username node, skipping"), cp1);
            }
         }
      }
   }

   /************************************************/
   /* DONE READING LOG FILE(S) - final processing  */
   /************************************************/

   if (good_rec)                             /* were any good records?   */
   {
      tm_site[cur_day-1]=dt_site;            /* If yes, clean up a bit   */
      tm_visit[cur_day-1]=tot_visit(sd_htab);
      t_visit=tot_visit(sm_htab);
      if (ht_hit > mh_hit) mh_hit = ht_hit;

      if (total_rec > (total_ignore+total_bad)) /* did we process any?   */
      {
         if(debug_mode > 0 && path_graph > 0)
         {
            /* let's display computation statistics */

            printf(_("Opened path hash table statistics:\n"));
            print_path_stats((PNODEPTR*) op_htab, 0);
            printf(_("Global path hash table statistics (before flush from opened path hash table):\n"));
            print_path_stats(gp_htab, 1);
         }

         if (incremental)
         {
            if (save_state())                /* incremental stuff        */
            {
               /* Error: Unable to save current run data */
               if (verbose) fprintf(stderr,"%s\n",_("Error: Unable to save current run data"));
            }
         }

         /* close paths of open path hash table based on last record timestamp */
         flush_ophtab(rec_tstamp);
         month_update_exit(rec_tstamp);      /* calculate exit pages     */
         if(use_xml)
            write_month_xml();               /* generate XML for month   */
         write_month_html();                 /* write monthly HTML file  */
         write_main_index();                 /* write main HTML file     */
         if(use_xml)
         {
            write_history_xml();             /* write history XML file  */
            if(apply_monthly_skin(cur_year, cur_month)) /* TODO: Drop This one... */
            {
                printf("Skin failed, aborting...\n");
                clean_exit(1);
            }
         }
         put_history();                      /* write history            */
      }

      if(debug_mode > 0)
      {
         /* let's display computation statistics */

         if(path_graph || users_flow)
         {
            printf(_("Opened path hash table statistics (after flush to global path hash table):\n"));
            print_path_stats((PNODEPTR*) op_htab, 0);
         }

         /* path statistics */
         if(path_graph > 0)
         {
            printf(_("Global path hash table statistics:\n"));
            print_path_stats(gp_htab, 1);
         }

         /* path statistics */
         if(users_flow > 0)
         {
            printf(_("Users flow hash table statistics:\n"));
            print_path_stats(fm_htab, 1);
         }

      }

      end_time = times(&mytms);              /* display timing totals?     */
      if (time_me || (verbose>1))
      {
         printf("%lu %s ",total_rec, _("records"));
         if (total_ignore)
         {
            printf("(%lu %s",total_ignore,_("ignored"));
            if (total_bad) printf(", %lu %s) ",total_bad,_("bad"));
               else        printf(") ");
         }
         else if (total_bad) printf("(%lu %s) ",total_bad,_("bad"));

         /* get processing time (end-start) */
         temp_time = (float)(end_time-start_time)/CLK_TCK;
         printf("%s %.2f %s", _("in"), temp_time, _("seconds"));

         /* calculate records per second */
         if (temp_time)
           i=( (int)( (float)total_rec/temp_time ) );
         else i=0;

         if ( (i>0) && (i<=total_rec) ) printf(", %d/sec\n", i);
            else  printf("\n");
      }

#ifdef USE_DNS
      if (dns_db) close_cache();
#endif

      /* Whew, all done! Exit with completion status (0) */
      clean_exit(0);
   }
   else
   {
      /* No valid records found... exit with error (1) */
      if (verbose) printf("%s\n",_("No valid records found!"));
      clean_exit(1);
   }
   return 0; /* should never get there */
}

/*********************************************/
/* GET_CONFIG - get configuration file info  */
/*********************************************/

void get_config(char *fname)
{
   FILE *fp;

   char       buffer[BUFSIZE];
   char       keyword[32];
   char       value[132];
   char       *cp1, *cp2;
   int        i,key;
   int         num_kwords=sizeof(kwords)/sizeof(char *);

   if ( (fp=fopen(fname,"r")) == NULL)
   {
      if (verbose)
      fprintf(stderr,"%s %s\n",_("Error: Unable to open configuration file"),fname);
      return;
   }

   while ( (fgets(buffer,BUFSIZE,fp)) != NULL)
   {
      /* skip comments and blank lines */
      if ( (buffer[0]=='#') || isspace((int)buffer[0]) ) continue;

      /* Get keyword */
      cp1=buffer;cp2=keyword;
      while ( isalnum((int)*cp1) ) *cp2++ = *cp1++;
      *cp2='\0';

      /* Get value */
      cp2=value;
      while ( (*cp1!='\n')&&(*cp1!='\0')&&(isspace((int)*cp1)) ) cp1++;
      while ( (*cp1!='\n')&&(*cp1!='\0') ) *cp2++ = *cp1++;
      *cp2--='\0';
      while ( (isspace((int)*cp2)) && (cp2 != value) ) *cp2--='\0';

      /* check if blank keyword/value */
      if ( (keyword[0]=='\0') || (value[0]=='\0') ) continue;

      key=0;
      for (i=0;i<num_kwords;i++)
         if (!strcmp(keyword,kwords[i])) { key=i; break; }

      if (key==0) { printf("%s '%s' (%s)\n",       /* Invalid keyword       */
                    _("Warning: Invalid keyword"),keyword,fname);
                    continue;
                  }

      switch (key)
      {
        case 1:  save_opt(&out_dir, value);         break; /* OutputDir      */
        case 2:
                 if(logs_add_file(value) != 0)
                    clean_exit(1);
                                                    break; /* LogFile        */
        case 3:  save_opt(&msg_title, value);       break; /* ReportTitle    */
        case 4:  save_opt(&hname, value);           break; /* HostName       */
        case 5:  ignore_hist=(value[0]=='n')?0:1;  break; /* IgnoreHist     */
        case 6:  verbose=(value[0]=='n')?2:1;      break; /* Quiet          */
        case 7:  time_me=(value[0]=='n')?0:1;      break; /* TimeMe         */
        case 8:  debug_mode=(value[0]=='n')?0:1;   break; /* Debug          */
        case 9:  hourly_graph=(value[0]=='n')?0:1; break; /* HourlyGraph    */
        case 10: hourly_stats=(value[0]=='n')?0:1; break; /* HourlyStats    */
        case 11: ntop_sites = atoi(value);         break; /* TopSites       */
        case 12: ntop_urls = atoi(value);          break; /* TopURLs        */
        case 13: ntop_refs = atoi(value);          break; /* TopRefs        */
        case 14: ntop_agents = atoi(value);        break; /* TopAgents      */
        case 15: ntop_ctrys = atoi(value);         break; /* TopCountries   */
        case 16: add_nlist(value,&hidden_sites);   break; /* HideSite       */
        case 17: add_nlist(value,&hidden_urls);    break; /* HideURL        */
        case 18: add_nlist(value,&hidden_refs);    break; /* HideReferrer   */
        case 19: add_nlist(value,&hidden_agents);  break; /* HideAgent      */
        case 20: add_nlist(value,&index_alias);    break; /* IndexAlias     */
        case 21: add_nlist(value,&html_head);      break; /* HTMLHead       */
        case 22: add_nlist(value,&html_post);      break; /* HTMLPost       */
        case 23: add_nlist(value,&html_tail);      break; /* HTMLTail       */
        case 24: mangle_agent=atoi(value);         break; /* MangleAgents   */
        case 25: add_nlist(value,&ignored_sites);  break; /* IgnoreSite     */
        case 26: add_nlist(value,&ignored_urls);   break; /* IgnoreURL      */
        case 27: add_nlist(value,&ignored_refs);   break; /* IgnoreReferrer */
        case 28: add_nlist(value,&ignored_agents); break; /* IgnoreAgent    */
        case 29: if (value[0]=='y') verbose=0;     break; /* ReallyQuiet    */
        case 30: local_time=(value[0]=='y')?0:1;   break; /* GMTTime        */
        case 31: add_glist(value,&group_urls);     break; /* GroupURL       */
        case 32: add_glist(value,&group_sites);    break; /* GroupSite      */
        case 33: add_glist(value,&group_refs);     break; /* GroupReferrer  */
        case 34: add_glist(value,&group_agents);   break; /* GroupAgent     */
        case 35: shade_groups=(value[0]=='y')?1:0; break; /* GroupShading   */
        case 36: hlite_groups=(value[0]=='y')?1:0; break; /* GroupHighlight */
        case 37: incremental=(value[0]=='y')?1:0;  break; /* Incremental    */
        case 38:
               fprintf(stderr, _("\nWARNING: The keyword 'IncrementalName' is not supported anymore. " \
                  "Your current incremental file may be ignored!!.\n\n"));
        case 39:
               fprintf(stderr, _("\nWARNING: The keyword 'HistoryName' is not supported anymore. " \
                  "Your current history file may be ignored!!.\n\n"));
                                                    break; /* History FName  */
        case 40: save_opt(&html_ext, value);        break; /* HTML extension */
        case 41: add_nlist(value,&html_pre);       break; /* HTML Pre code  */
        case 42: add_nlist(value,&html_body);      break; /* HTML Body code */
        case 43: add_nlist(value,&html_end);       break; /* HTML End code  */
        case 44: use_https=(value[0]=='y')?1:0;    break; /* Use https://   */
        case 45: add_nlist(value,&include_sites);  break; /* IncludeSite    */
        case 46: add_nlist(value,&include_urls);   break; /* IncludeURL     */
        case 47: add_nlist(value,&include_refs);   break; /* IncludeReferrer*/
        case 48: add_nlist(value,&include_agents); break; /* IncludeAgent   */
        case 49: add_nlist(value,&page_type);      break; /* PageType       */
        case 50: visit_timeout=atoi(value);        break; /* VisitTimeout   */
        case 51: graph_legend=(value[0]=='y')?1:0; break; /* GraphLegend    */
        case 52: graph_lines = atoi(value);        break; /* GraphLines     */
        case 53: fold_seq_err=(value[0]=='y')?1:0; break; /* FoldSeqErr     */
        case 54: ctry_graph=(value[0]=='y')?1:0;   break; /* CountryGraph   */
        case 55: ntop_sitesK = atoi(value);        break; /* TopKSites (KB) */
        case 56: ntop_urlsK  = atoi(value);        break; /* TopKUrls (KB)  */
        case 57: ntop_entry  = atoi(value);        break; /* Top Entry pgs  */
        case 58: ntop_exit   = atoi(value);        break; /* Top Exit pages */
        case 59: ntop_search = atoi(value);        break; /* Top Search pgs */
        case 60: log_type=(value[0]=='f')?
                 LOG_W3C:LOG_CLF;                  break; /* LogType        */
        case 61:
               fprintf(stderr, _("\nWARNING: The keyword 'SearchEngine' is not supported anymore. " \
                  "Please add your search engines to '/etc/webdruid/engines.list' instead. Look at README for more information.\n\n"));
                                                   break; /* SearchEngine   */
        case 62: group_domains=atoi(value);        break; /* GroupDomains   */
        case 63: hide_sites=(value[0]=='y')?1:0;   break; /* HideAllSites   */
        case 64: all_sites=(value[0]=='y')?1:0;    break; /* All Sites?     */
        case 65: all_urls=(value[0]=='y')?1:0;     break; /* All URL's?     */
        case 66: all_refs=(value[0]=='y')?1:0;     break; /* All Refs       */
        case 67: all_agents=(value[0]=='y')?1:0;   break; /* All Agents?    */
        case 68: all_search=(value[0]=='y')?1:0;   break; /* All Srch str   */
        case 69: all_users=(value[0]=='y')?1:0;    break; /* All Users?     */
        case 70: ntop_users=atoi(value);           break; /* TopUsers       */
        case 71: add_nlist(value,&hidden_users);   break; /* HideUser       */
        case 72: add_nlist(value,&ignored_users);  break; /* IgnoreUser     */
        case 73: add_nlist(value,&include_users);  break; /* IncludeUser    */
        case 74: add_glist(value,&group_users);    break; /* GroupUser      */
        case 75: save_opt(&dump_path, value);      break; /* DumpPath       */
        case 76: save_opt(&dump_ext, value);       break; /* Dumpfile ext   */
        case 77: dump_header=(value[0]=='y')?1:0;  break; /* DumpHeader?    */
        case 78: dump_sites=(value[0]=='y')?1:0;   break; /* DumpSites?     */
        case 79: dump_urls=(value[0]=='y')?1:0;    break; /* DumpURLs?      */
        case 80: dump_refs=(value[0]=='y')?1:0;    break; /* DumpReferrers? */
        case 81: dump_agents=(value[0]=='y')?1:0;  break; /* DumpAgents?    */
        case 82: dump_users=(value[0]=='y')?1:0;   break; /* DumpUsers?     */
        case 83: dump_search=(value[0]=='y')?1:0;  break; /* DumpSrchStrs?  */
#ifdef USE_DNS
        case 84: save_opt(&dns_cache, value);      break; /* DNSCache fname */
        case 85: dns_children=atoi(value);         break; /* DNSChildren    */
#else
        case 84: /* Disable DNSCache and DNSChildren if DNS is not enabled  */
        case 85: printf("%s '%s' (%s)\n",_("Warning: Invalid keyword"), keyword, fname); break;
#endif  /* USE_DNS */
        case 86: daily_graph=(value[0]=='n')?0:1;  break; /* HourlyGraph    */
        case 87: daily_stats=(value[0]=='n')?0:1;  break; /* HourlyStats    */
        case 88: path_graph=(value[0]=='n')?0:1;   break; /* path graph     */
        case 89: path_graph_max_paths=atoi(value); break;
        case 90: users_flow=(value[0]=='n')?0:1;   break; /* usrs flow graph*/
        case 91: users_flow_max_edges=atoi(value); break;
        case 92: save_opt(&skin_name, value);      break; /* Skin           */
        case 93: use_xml=(value[0]=='y')?1:0;      break; /* Try XML output */
        case 94: save_opt(&dot_location, value);   break; /* dot filename   */
        case 95: save_opt(&font_face, value);      break; /* gd2 font face  */
      }
   }
   fclose(fp);
}

/*********************************************/
/* SAVE_OPT - save option from config file   */
/*********************************************/

/*
    @target pointer on a the pointer receiving
              the config file option value
    @str    config file option value
*/

static void save_opt(char **target, char *str)
{
   /* second part of the test is a bad hack --
      We should deal with that and understand
      why his value is hardcoded in lang_strings.h
   */
   if((*target != NULL) && strcmp(*target, "Usage Statistics for"))
      free(*target);

   if ( (*target=malloc(strlen(str)+1)) != NULL )
      strcpy(*target,str);
}

/*********************************************/
/* CLEAR_MONTH - initalize monthly stuff     */
/*********************************************/

static void clear_month()
{
   int i;

   init_counters();                  /* reset monthly counters    */
   del_htabs();                      /* clear hash tables         */
   sengine_free_table(&sp_table);    /* clear search phrase table */
   sp_table = sengine_make_table();    /* re-create it              */
   if (ntop_ctrys!=0 ) for (i=0;i<ntop_ctrys;i++)  top_ctrys[i]=NULL;
}

/*********************************************/
/* INIT_COUNTERS - prep counters for use     */
/*********************************************/

void init_counters()
{
   int i;
   for (i=0;i<TOTAL_RC;i++) response[i].count = 0;
   for (i=0;i<31;i++)  /* monthly totals      */
   {
    tm_xfer[i]=0.0;
    tm_hit[i]=tm_file[i]=tm_site[i]=tm_page[i]=tm_visit[i]=0;
   }
   for (i=0;i<24;i++)  /* hourly totals       */
   {
      th_hit[i]=th_file[i]=th_page[i]=0;
      th_xfer[i]=0.0;
   }
   for (i=0;ctry[i].desc;i++) /* country totals */
   {
      ctry[i].count=0;
      ctry[i].files=0;
      ctry[i].xfer=0;
   }
   t_hit=t_file=t_site=t_url=t_ref=t_agent=t_page=t_visit=t_user=0;
   t_xfer=0.0;
   mh_hit = dt_site = 0;
   f_day=l_day=1;
}

/*********************************************/
/* PRINT_OPTS - print command line options   */
/*********************************************/

static void print_opts(char *pname)
{
   int i;

   printf("%s: %s %s\n",_("Usage"),pname,_("[options] [log file1] [log file2] ..."));
   for (i=0;h_msg[i];i++) printf("%s\n",_(h_msg[i]));

   clean_exit(1);
}

/*********************************************/
/* PRINT_VERSION                             */
/*********************************************/

static void print_version()
{
 printf("This is The WebDruid %s\n",
         version);
 printf("%s\n", copyright);
 if (debug_mode)
 {
    printf("Mod date: %s  Options: ", moddate);
#ifdef USE_DNS
    printf("DNS ");
#else
    printf("none");
#endif
    printf("\nDefault config dir: %s/webdruid\n\n", SYSCONFDIR);
 }
 else printf("\n");
}

/*********************************************/
/* CUR_TIME - return date/time as a string   */
/*********************************************/

char *cur_time()
{
   /* get system time */
   now = time(NULL);
   /* convert to timestamp string */
   if (local_time)
      strftime(timestamp,sizeof(timestamp),"%d-%b-%Y %H:%M %Z",
            localtime(&now));
   else
      strftime(timestamp,sizeof(timestamp),"%d-%b-%Y %H:%M GMT",
            gmtime(&now));

   return timestamp;
}

/*********************************************/
/* ISPAGE - determine if an HTML page or not */
/*********************************************/

int ispage(char *str)
{
   char *cp1, *cp2;

   cp1=cp2=str;
   while (*cp1!='\0') { if (*cp1=='.') cp2=cp1; cp1++; }
   if ((cp2++==str)||(*(--cp1)=='/')) return 1;
   else return (isinlist(page_type,cp2)!=NULL);
}

/*********************************************/
/* ISURLCHAR - checks for valid URL chars    */
/*********************************************/

static int isurlchar(unsigned char ch)
{
   if (isalnum((int)ch)) return 1;           /* allow letters, numbers...    */
   if (ch > 127) return 1;                   /* allow extended chars...      */
   return (strchr(":/\\.,' *-+_@~()[]",ch)!=NULL); /* and a few special ones */
}

/*********************************************/
/* CTRY_IDX - create unique # from domain    */
/*********************************************/

u_long ctry_idx(char *str)
{
   int i=strlen(str),j=0;
   u_long idx=0;
   char *cp1=str+i;
   for (;i>0;i--) { idx+=((*--cp1-'a'+1)<<j); j+=5; }
   return idx;
}

/*********************************************/
/* FROM_HEX - convert hex char to decimal    */
/*********************************************/

static char from_hex(char c)                    /* convert hex to dec      */
{
   c = (c>='0'&&c<='9')?c-'0':                  /* 0-9?                    */
       (c>='A'&&c<='F')?c-'A'+10:               /* A-F?                    */
       c - 'a' + 10;                            /* lowercase...            */
   return (c<0||c>15)?0:c;                      /* return 0 if bad...      */
}

/*********************************************/
/* UNESCAPE - convert escape seqs to chars   */
/*********************************************/

static char *unescape(char *str)
{
   unsigned char *cp1=str;                      /* force unsigned so we    */
   unsigned char *cp2=str;                      /* can do > 127            */

   if (!str) return NULL;                       /* make sure strings valid */

   while (*cp1)
   {
      if (*cp1=='%')                            /* Found an escape?        */
      {
         cp1++;
         if (isxdigit(*cp1))                    /* ensure a hex digit      */
         {
            if (*cp1) *cp2=from_hex(*cp1++)*16; /* convert hex to an ascii */
            if (*cp1) *cp2+=from_hex(*cp1);     /* (hopefully) character   */
            if ((*cp2<32)||(*cp2==127)) *cp2='_'; /* make '_' if its bad   */
            if (*cp1) cp2++; cp1++;
         }
         else *cp2++='%';
      }
      else *cp2++ = *cp1++;                     /* if not, just continue   */
   }
   *cp2=*cp1;                                   /* don't forget terminator */
   return str;                                  /* return the string       */
}

/*********************************************/
/* GET_DOMAIN - Get domain portion of host   */
/*********************************************/

static char *get_domain(char *str)
{
   char *cp;
   int  i=group_domains+1;

   cp = str+strlen(str)-1;
   if (isdigit((int)*cp)) return NULL;   /* ignore IP addresses */

   while (cp!=str)
   {
      if (*cp=='.')
         if (!(--i)) return ++cp;
      cp--;
   }
   return cp;
}

/*********************************************/
/* DEL_HTABS - clear out our hash tables     */
/*********************************************/

/*
  Please note that the opened paths hashtable
  (op_htab) is not cleared by this function
*/

static void del_htabs()
{
                                              /* Clear out our various    */
   del_plist(gp_htab, 1);                     /* hash tables here by      */
   del_plist(fm_htab, 1);                     /* calling the appropriate  */
   del_hlist(sd_htab);                        /* del_* function for each  */
   del_ulist(um_htab);
   del_hlist(sm_htab);
   del_rlist(rm_htab);
   del_alist(am_htab);
   del_ilist(im_htab);
#ifdef USE_DNS
/* del_dlist(host_table);  */                    /* delete DNS hash table    */
#endif  /* USE_DNS */
}

/*********************************************/
/* CLEAN_EXIT - does what it says            */
/*********************************************/

/* let's do cleanup -- this prevents Valgrind from complaining */

void clean_exit(int ret)
{
   del_lists();
   del_htabs();
   del_oplist(op_htab, 1);
   free(top_ctrys);

   free(dns_cache);
   free(hname);
   free(out_dir);
   /*
      This one can be define in lang2.h. We have to let it go,
      and leek a few bytes when it is user defined.
   */
   //free(msg_title);
   free(html_ext);
   free(dump_path);
   free(dump_ext);

   sengine_free_internal_table();
   sengine_free_table(&sp_table);

   logs_close();

   exit(ret);
}


/*********************************************/
/* PRINT_PATH_STATS                          */
/*********************************************/
/*
  This function is used for debugging purpose,
  it display information about the path htab
  given

  note: the htab given can either be an
        OPNODEPTR *, or an PNODEPTR *
*/

static void print_path_stats(PNODEPTR *htab, int pathcount)
{
   int htab_used = 0;               /* usage of hash table      */
   int max_npath = 0;
   int npath = 0;
   int i;
   int len_max = 0;
   int count_max = 0;
   int count_gt1 = 0; /* count Greater Than 1 */
   int count_gt1_cumulated = 0;
   LISTPTR lptr;

   for(i=0; i<MAXHASH; i++) {
      int j = 0;
      PNODEPTR p = htab[i];

      if(p) htab_used++;

      while(p) {
         int k = 0;
         j++;
         npath++;

         for(lptr = p->path; lptr; lptr = lptr->next) k++;
         len_max = MAX(len_max, k);

         if(pathcount)
            count_max = MAX(count_max, p->count);

         if(p->count > 1)
         {
            count_gt1++;
            count_gt1_cumulated += p->count;
         }

         p = p->next;
      }
      max_npath = MAX(j, max_npath);
   }

   printf(_("--> %u path(s), %.2f%% of hash table used\n"), npath, PCENT(htab_used, MAXHASH));
   if(pathcount)
   {
      printf(_("--> %u maximum path count\n"), count_max);
      printf(_("--> %u path with count > 1, for a total of %u equivalent path(s)\n"),
         count_gt1,
         count_gt1_cumulated);
   }
   printf(_("--> %u maximum element(s) per node\n"), max_npath);
   printf(_("--> %.2f average element(s) per not empty nodes\n"), (float) npath / htab_used);
   printf(_("--> %d maximum path length\n"), len_max);
}

/*********************************************/
/* APPLY_MONTHLY_SKIN                        */
/*********************************************/
/*
  This function generates skin output.
  To do so it calls the apply_skin.sh executable
  (usually in /usr/share/webdruid/{$skin_name}/apply_skin.sh)
  with adhoc arguments.

  returns:
    !=0 on failure
    0   on success
*/

static int apply_monthly_skin(int year, int month)
{
   if(strcmp("null", skin_name) == 0)
   {
      if(verbose>1)
        printf(_("Null skin for %s %04d XML document...\n"), _(l_month[month-1]), year);
      return 0;
   }
   else
   {
      char *argv[10];
      char buff1[256];
      char buff2[256];
      char buff3[256];
      int ret;
      int i;

      if(verbose>1)
         printf(_("Applying '%s' skin on %s %04d XML document...\n"), skin_name, _(l_month[month-1]), year);

      /* Here we prepare arguments for the apply_skin.sh script.
         For more information on what is to be passed see at
         the beginning of the script.
      */

      i = 0;
      argv[i] = "/bin/sh";
      i++;
      if(debug_mode) {
         argv[i] = "-x";
         i++;
      }
      snprintf(buff1, sizeof(buff1), "%s%s/apply_skin.sh", WEBDRUIDDATADIR, skin_name);
      argv[i] = buff1;
      i++;
      argv[i] = "MONTH";
      i++;
      argv[i] = XML_SUBDIR;
      i++;
      snprintf(buff2, sizeof(buff2), "monthly_%04d_%02d.xml", year, month);
      argv[i] = buff2;
      i++;
      snprintf(buff3, sizeof(buff3), "%s/webdruid/skin-%s.xml.conf", SYSCONFDIR, skin_name);
      argv[i] = buff3;
      i++;
      argv[i] = "skin_output";
      i++;
      argv[i] = WEBDRUIDDATADIR;
      i++;
      argv[i] = NULL;
      i++;

      /* Let's run!! */

      ret = safe_run("/bin/sh", argv, 0);

      if(debug_mode && ret)
      {
         printf(_("Script apply_skin.sh returned %u.\n"), ret);
      }

      return (ret);
   }
}

/*********************************************/
/* APPLY_SUMMARY_SKIN                        */
/*********************************************/
/*
  This function calls the generates skin output.
  To do so it calls the apply_skin.sh executable
  for given skin with adhoc arguments

  returns:
    1 on failure
    0 on success
*/

static int apply_summary_skin()
{
   return 0;
}


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