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webalizer.c
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webalizer.c
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/*
webalizer - a web server log analysis program
Copyright (C) 1997-2011 Bradford L. Barrett
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
*/
/*********************************************/
/* STANDARD INCLUDES */
/*********************************************/
/* Fix broken Zlib 64 bitness */
#if _FILE_OFFSET_BITS == 64
#ifndef _LARGEFILE64_SOURCE
#define _LARGEFILE64_SOURCE 1
#endif
#endif
#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h> /* normal stuff */
#include <locale.h>
#include <ctype.h>
#include <sys/utsname.h>
#include <zlib.h>
#include <sys/stat.h>
/* ensure getopt */
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
/* ensure sys/types */
#ifndef _SYS_TYPES_H
#include <sys/types.h>
#endif
/* Need socket header? */
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
/* some systems need this */
#ifdef HAVE_MATH_H
#include <math.h>
#endif
#ifdef USE_DNS
#include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <db.h>
#endif /* USE_DNS */
#ifdef USE_GEOIP
#include <GeoIP.h>
#endif
#ifdef USE_BZIP
#include <bzlib.h>
int bz2_rewind(void **, char *, char *);
#endif
#include "webalizer.h" /* main header */
#include "output.h"
#include "parser.h"
#include "preserve.h"
#include "hashtab.h"
#include "linklist.h"
#include "webalizer_lang.h" /* lang. support */
#ifdef USE_DNS
#include "dns_resolv.h"
#endif
/* internal function prototypes */
void clear_month(); /* clear monthly stuff */
char *unescape(char *); /* unescape URLs */
void print_opts(char *); /* print options */
void print_version(); /* duhh... */
int isurlchar(unsigned char, int); /* valid URL char fnc. */
void get_config(char *); /* Read a config file */
static char *save_opt(char *); /* save conf option */
void srch_string(char *); /* srch str analysis */
char *get_domain(char *); /* return domain name */
void agent_mangle(char *); /* reformat user agent */
char *our_gzgets(void *, char *, int); /* our gzgets */
int ouricmp(char *, char *); /* case ins. compare */
int isipaddr(char *); /* is IP address test */
/*********************************************/
/* GLOBAL VARIABLES */
/*********************************************/
char *version = "2.23"; /* program version */
char *editlvl = "05"; /* edit level */
char *moddate = "14-Apr-2011"; /* modification date */
char *copyright = "Copyright 1997-2011 by Bradford L. Barrett";
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 hist_gap = 0; /* 1=error w/hist, save bkp */
int ignore_hist = 0; /* history flag (1=skip) */
int ignore_state = 0; /* state flag (1=skip) */
int default_index= 1; /* default index. (1=yes) */
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 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 URLs */
int htaccess = 0; /* create .htaccess? (0=no) */
int stripcgi = 1; /* strip url cgi (0=no) */
int normalize = 1; /* normalize CLF URL (0=no) */
int trimsquid = 0; /* trim squid urls (0=no) */
int searchcasei = 1; /* case insensitive search */
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; /* log type (default=CLF) */
int group_domains= 0; /* Group domains 0=none */
int hide_sites = 0; /* Hide ind. sites (0=no) */
int link_referrer= 0; /* Link referrers (0=no) */
char *hname = NULL; /* hostname for reports */
char *state_fname = "webalizer.current"; /* run state file name */
char *hist_fname = "webalizer.hist"; /* name of history file */
char *html_ext = "html"; /* HTML file suffix */
char *dump_ext = "tab"; /* Dump file suffix */
char *conf_fname = NULL; /* name of config file */
char *log_fname = NULL; /* log file pointer */
char *out_dir = NULL; /* output directory */
char *blank_str = ""; /* blank string */
char *geodb_fname = NULL; /* GeoDB database filename */
char *dns_cache = NULL; /* DNS cache file name */
int dns_children = 0; /* DNS children (0=don't do)*/
int cache_ips = 0; /* CacheIPs in DB (0=no) */
int cache_ttl = 7; /* DNS Cache TTL (days) */
int geodb = 0; /* Use GeoDB (0=no) */
int graph_mths = 12; /* # months in index graph */
int index_mths = 12; /* # months in index table */
int year_hdrs = 1; /* index year seperators */
int year_totals = 1; /* index year subtotals */
int use_flags = 0; /* Show flags in ctry table */
char *flag_dir = "flags"; /* location of flag icons */
#ifdef USE_GEOIP
int geoip = 0; /* Use GeoIP (0=no) */
char *geoip_db = NULL; /* GeoIP database filename */
GeoIP *geo_fp = NULL; /* GeoIP database handle */
#endif
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 URLs (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; /* URLs */
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_int64_t cur_tstamp=0; /* Timestamp... */
u_int64_t rec_tstamp=0;
u_int64_t req_tstamp=0;
u_int64_t epoch; /* used for timestamp adj. */
int check_dup=0; /* check for dup flag */
int gz_log=COMP_NONE; /* gziped log? (0=no) */
double t_xfer=0.0; /* monthly total xfer value */
u_int64_t 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_int64_t tm_hit[31], tm_file[31], /* daily total arrays */
tm_site[31], tm_page[31],
tm_visit[31];
u_int64_t dt_site; /* daily 'sites' total */
u_int64_t ht_hit=0, mh_hit=0; /* hourly hits totals */
u_int64_t 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_int64_t ul_bogus =0; /* Dummy counter for groups */
struct log_struct log_rec; /* expanded log storage */
void *zlog_fp; /* compressed logfile ptr */
FILE *log_fp; /* regular logfile pointer */
char buffer[BUFSIZE]; /* log file record buffer */
char tmp_buf[BUFSIZE]; /* used to temp save above */
CLISTPTR *top_ctrys = NULL; /* Top countries table */
#define GZ_BUFSIZE 16384 /* our_getfs buffer size */
char f_buf[GZ_BUFSIZE]; /* our_getfs buffer */
char *f_cp=f_buf+GZ_BUFSIZE; /* pointer into the buffer */
int f_end=0; /* count to end of buffer */
char hit_color[] = "#00805c"; /* graph hit color */
char file_color[] = "#0040ff"; /* graph file color */
char site_color[] = "#ff8000"; /* graph site color */
char kbyte_color[] = "#ff0000"; /* graph kbyte color */
char page_color[] = "#00e0ff"; /* graph page color */
char visit_color[] = "#ffff00"; /* graph visit color */
char misc_color[] = "#00e0ff"; /* graph misc color */
char pie_color1[] = "#800080"; /* pie additionnal color 1 */
char pie_color2[] = "#80ffc0"; /* pie additionnal color 2 */
char pie_color3[] = "#ff00ff"; /* pie additionnal color 3 */
char pie_color4[] = "#ffc080"; /* pie additionnal color 4 */
/*********************************************/
/* MAIN - start here */
/*********************************************/
int main(int argc, char *argv[])
{
int i; /* generic counter */
char *cp1, *cp2, *cp3; /* generic char pointers */
char host_buf[MAXHOST+1]; /* used to save hostname */
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 */
int rec_year,rec_month=1,rec_day,rec_hour,rec_min,rec_sec;
int good_rec =0; /* 1 if we had a good record */
u_int64_t total_rec =0; /* Total Records Processed */
u_int64_t total_ignore=0; /* Total Records Ignored */
u_int64_t total_bad =0; /* Total Bad Records */
int max_ctry; /* max countries defined */
/* month names used for parsing logfile (shouldn't be lang specific) */
char *log_month[12]={ "jan", "feb", "mar",
"apr", "may", "jun",
"jul", "aug", "sep",
"oct", "nov", "dec"};
/* stat struct for files */
struct stat log_stat;
/* Assume that LC_CTYPE is what the user wants for non-ASCII chars */
setlocale(LC_CTYPE,"");
/* initalize epoch */
epoch=jdate(1,1,1970); /* used for timestamp adj. */
sprintf(tmp_buf,"%s/webalizer.conf",ETCDIR);
/* check for default config file */
if (!access("webalizer.conf",F_OK))
get_config("webalizer.conf");
else if (!access(tmp_buf,F_OK))
get_config(tmp_buf);
/* get command line options */
opterr = 0; /* disable parser errors */
while ((i=getopt(argc,argv,"a:A:bc:C:dD:e:E:fF:g:GhHiI:jJ:k:K:l:Lm:M:n:N:o:O:pP:qQr:R:s:S:t:Tu:U:vVwW:x:XYz:Z"))!=EOF)
{
switch (i)
{
case 'a': add_nlist(optarg,&hidden_agents); break; /* Hide agents */
case 'A': ntop_agents=atoi(optarg); break; /* Top agents */
case 'b': ignore_state=1; break; /* Ignore state file */
case 'c': get_config(optarg); break; /* Config file */
case 'C': ntop_ctrys=atoi(optarg); break; /* Top countries */
case 'd': debug_mode=1; break; /* Debug */
case 'D': 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=(tolower(optarg[0])=='f')?
LOG_FTP:(tolower(optarg[0])=='s')?
LOG_SQUID:(tolower(optarg[0])=='w')?
LOG_W3C:LOG_CLF; break; /* define log type */
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 'j': geodb=1; break; /* Enable GeoDB */
case 'J': geodb_fname=optarg; break; /* GeoDB db filename */
case 'k': graph_mths=atoi(optarg); break; /* # months idx graph */
case 'K': index_mths=atoi(optarg); break; /* # months idx table */
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': hname=optarg; break; /* Hostname */
case 'N': dns_children=atoi(optarg); break; /* # of DNS children */
case 'o': out_dir=optarg; break; /* Output directory */
case 'O': add_nlist(optarg,&omit_page); break; /* pages not counted */
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': 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': verbose=2; debug_mode=1; break; /* Verbose */
case 'V': print_version(); break; /* Version */
#ifdef USE_GEOIP
case 'w': geoip=1; break; /* Enable GeoIP */
case 'W': geoip_db=optarg; break; /* GeoIP database name */
#endif
case 'x': 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 */
case 'Z': normalize=0; break; /* Dont normalize URLs */
case 'z': use_flags=1; flag_dir=optarg; break; /* Ctry flag dir */
}
}
if (argc - optind != 0) log_fname = argv[optind];
if ( log_fname && (log_fname[0]=='-')) log_fname=NULL; /* force STDIN? */
/* check for gzipped file - .gz */
if (log_fname) if (!strcmp((log_fname+strlen(log_fname)-3),".gz"))
gz_log=COMP_GZIP;
#ifdef USE_BZIP
/* check for bzip file - .bz2 */
if (log_fname) if (!strcmp((log_fname+strlen(log_fname)-4),".bz2"))
gz_log=COMP_BZIP;
#endif
/* setup our internal variables */
init_counters(); /* initalize (zero) main counters */
memset(hist, 0, sizeof(hist)); /* initalize (zero) history array */
/* add default index. alias if needed */
if (default_index) add_nlist("index.",&index_alias);
if (page_type==NULL) /* check if page types present */
{
if ((log_type==LOG_CLF)||(log_type==LOG_SQUID)||(log_type==LOG_W3C))
{
add_nlist("htm*" ,&page_type); /* if no page types specified, we */
add_nlist("cgi" ,&page_type); /* use the default ones here... */
if (!isinlist(page_type,html_ext)) add_nlist(html_ext,&page_type);
}
else add_nlist("txt" ,&page_type); /* FTP logs default to .txt */
}
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! */
if (graph_mths<12) graph_mths=12;
if (graph_mths>GRAPHMAX) graph_mths=GRAPHMAX;
if (index_mths<12) index_mths=12;
if (index_mths>HISTSIZE) index_mths=HISTSIZE;
if (log_type == LOG_FTP)
{
/* disable stuff for ftp logs */
ntop_entry=ntop_exit=0;
ntop_search=0;
}
else
{
if (search_list==NULL)
{
/* If no search engines defined, define some :) */
add_glist(".google. q=" ,&search_list);
add_glist("yahoo.com p=" ,&search_list);
add_glist("altavista.com q=" ,&search_list);
add_glist("aolsearch. query=" ,&search_list);
add_glist("ask.co q=" ,&search_list);
add_glist("eureka.com q=" ,&search_list);
add_glist("lycos.com query=" ,&search_list);
add_glist("hotbot.com MT=" ,&search_list);
add_glist("msn.com q=" ,&search_list);
add_glist("infoseek.com qt=" ,&search_list);
add_glist("webcrawler searchText=" ,&search_list);
add_glist("excite search=" ,&search_list);
add_glist("netscape.com query=" ,&search_list);
add_glist("mamma.com query=" ,&search_list);
add_glist("alltheweb.com q=" ,&search_list);
add_glist("northernlight.com qr=" ,&search_list);
}
}
/* 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;
sr_htab[i]=NULL;
}
/* Be polite and announce yourself... */
if (verbose>1)
{
uname(&system_info);
printf("Webalizer V%s-%s (%s %s %s) %s\n", version,editlvl,
system_info.sysname, system_info.release,
system_info.machine,language);
}
#ifndef USE_DNS
if (strstr(argv[0],"webazolver")!=0)
/* DNS support not present, aborting... */
{ printf("%s\n",msg_dns_abrt); exit(1); }
#else
/* Force sane values for cache TTL */
if (cache_ttl<1) cache_ttl=1;
if (cache_ttl>100) cache_ttl=100;
#endif /* USE_DNS */
/* open log file */
if (log_fname)
{
/* stat the file */
if ( !(lstat(log_fname, &log_stat)) )
{
/* check if the file a symlink */
if ( S_ISLNK(log_stat.st_mode) )
{
if (verbose)
fprintf(stderr,"%s %s (symlink)\n",msg_log_err,log_fname);
exit(EBADF);
}
}
if (gz_log)
{
/* open compressed file */
#ifdef USE_BZIP
if (gz_log==COMP_BZIP)
zlog_fp = BZ2_bzopen(log_fname,"rb");
else
#endif
zlog_fp = gzopen(log_fname, "rb");
if (zlog_fp==Z_NULL)
{
/* Error: Can't open log file ... */
fprintf(stderr, "%s %s (%d)\n",msg_log_err,log_fname,ENOENT);
exit(ENOENT);
}
}
else
{
/* open regular file */
log_fp = fopen(log_fname,"r");
if (log_fp==NULL)
{
/* Error: Can't open log file ... */
fprintf(stderr, "%s %s\n",msg_log_err,log_fname);
exit(1);
}
}
}
/* Using logfile ... */
if (verbose>1)
{
printf("%s %s (",msg_log_use,log_fname?log_fname:"STDIN");
if (gz_log==COMP_GZIP) printf("gzip-");
#ifdef USE_BZIP
if (gz_log==COMP_BZIP) printf("bzip-");
#endif
switch (log_type)
{
/* display log file type hint */
case LOG_CLF: printf("clf)\n"); break;
case LOG_FTP: printf("ftp)\n"); break;
case LOG_SQUID: printf("squid)\n"); break;
case LOG_W3C: printf("w3c)\n"); break;
}
}
/* switch directories if needed */
if (out_dir)
{
if (chdir(out_dir) != 0)
{
/* Error: Can't change directory to ... */
fprintf(stderr, "%s %s\n",msg_dir_err,out_dir);
exit(1);
}
}
#ifdef USE_DNS
if (strstr(argv[0],"webazolver")!=0)
{
if (!dns_children) dns_children=5; /* default dns children if needed */
if (!dns_cache)
{
/* No cache file specified, aborting... */
fprintf(stderr,"%s\n",msg_dns_nocf); /* Must have a cache file */
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): ",msg_dns_rslv,dns_children);
fflush(stdout);
(gz_log)?dns_resolver(zlog_fp):dns_resolver(log_fp);
#ifdef USE_BZIP
(gz_log==COMP_BZIP)?bz2_rewind(&zlog_fp, log_fname, "rb"):
#endif
(gz_log==COMP_GZIP)?gzrewind(zlog_fp):
(log_fname)?rewind(log_fp):exit(0);
}
if (strstr(argv[0],"webazolver")!=0) exit(0); /* webazolver 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",msg_dns_usec,dns_cache);
}
}
/* Open GeoDB? */
if (geodb)
{
geo_db=geodb_open(geodb_fname);
if (geo_db==NULL)
{
if (verbose) printf("%s: %s\n",msg_geo_open,
(geodb_fname)?geodb_fname:msg_geo_dflt);
if (verbose) printf("GeoDB %s\n",msg_geo_nolu);
geodb=0;
}
else if (verbose>1) printf("%s %s\n",
msg_geo_use,geodb_ver(geo_db,buffer));
#ifdef USE_GEOIP
if (geoip) geoip=0; /* Disable GeoIP if using GeoDB */
#endif
}
#endif /* USE_DNS */
#ifdef USE_GEOIP
/* open GeoIP database */
if (geoip)
{
if (geoip_db!=NULL)
geo_fp=GeoIP_open(geoip_db, GEOIP_MEMORY_CACHE);
else
geo_fp=GeoIP_new(GEOIP_MEMORY_CACHE);
/* Did we open one? */
if (geo_fp==NULL)
{
/* couldn't open.. warn user */
if (verbose) printf("GeoIP %s\n",msg_geo_nolu);
geoip=0;
}
else if (verbose>1) printf("%s %s (%s)\n",msg_geo_use,
GeoIPDBDescription[(int)geo_fp->databaseType],
(geoip_db==NULL)?msg_geo_dflt:geo_fp->file_path);
}
#endif /* USE_GEOIP */
/* Creating output in ... */
if (verbose>1)
printf("%s %s\n",msg_dir_use,out_dir?out_dir:msg_cur_dir);
/* prep hostname */
if (!hname)
{
if (uname(&system_info)) hname="localhost";
else hname=system_info.nodename;
}
/* Hostname for reports is ... */
if (strlen(hname)) if (verbose>1) printf("%s '%s'\n",msg_hostname,hname);
/* get past history */
if (ignore_hist) { if (verbose>1) printf("%s\n",msg_ign_hist); }
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",msg_bad_data,i);
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",msg_nomem_tc); ntop_ctrys=0;}}
/* get processing start time */
start_time = time(NULL);
/*********************************************/
/* MAIN PROCESS LOOP - read through log file */
/*********************************************/
while ( (gz_log)?(our_gzgets(zlog_fp,buffer,BUFSIZE) != Z_NULL):
(fgets(buffer,BUFSIZE,log_fname?log_fp:stdin) != NULL))
{
total_rec++;
if (strlen(buffer) == (BUFSIZE-1))
{
if (verbose)
{
fprintf(stderr,"%s",msg_big_rec);
if (debug_mode) fprintf(stderr,":\n%s",buffer);
else fprintf(stderr,"\n");
}
total_bad++; /* bump bad record counter */
/* get the rest of the record */
while ( (gz_log)?(our_gzgets(zlog_fp,buffer,BUFSIZE)!=Z_NULL):
(fgets(buffer,BUFSIZE,log_fname?log_fp:stdin)!=NULL))
{
if (strlen(buffer) < BUFSIZE-1)
{
if (debug_mode && verbose) fprintf(stderr,"%s\n",buffer);
break;
}
if (debug_mode && verbose) fprintf(stderr,"%s",buffer);
}
continue; /* go get next record if any */
}
/* got a record... */
strcpy(tmp_buf, buffer); /* save buffer in case of error */
if (parse_record(buffer)) /* parse the record */
{
/*********************************************/
/* PASSED MINIMAL CHECKS, DO A LITTLE MORE */
/*********************************************/
/* convert month name to lowercase */
for (i=4;i<7;i++)
log_rec.datetime[i]=tolower(log_rec.datetime[i]);
/* lowercase sitename/IPv6 addresses */
cp1=log_rec.hostname;
while (*cp1++!='\0') *cp1=tolower(*cp1);
/* get year/month/day/hour/min/sec values */
for (i=0;i<12;i++)
{
if (strncmp(log_month[i],&log_rec.datetime[4],3)==0)
{ rec_month = i+1; break; }
}
rec_year=atoi(&log_rec.datetime[8]); /* get year number (int) */
rec_day =atoi(&log_rec.datetime[1]); /* get day number */
rec_hour=atoi(&log_rec.datetime[13]); /* get hour number */
rec_min =atoi(&log_rec.datetime[16]); /* get minute number */
rec_sec =atoi(&log_rec.datetime[19]); /* get second number */
/* Kludge for Netscape server time (0-24?) error */
if (rec_hour>23) rec_hour=0;
/* minimal sanity check on date */
if ((i>=12)||(rec_min>59)||(rec_sec>60)||(rec_year<1990))
{
total_bad++; /* if a bad date, bump counter */
if (verbose)
{
fprintf(stderr,"%s: %s [%llu]",
msg_bad_date,log_rec.datetime,total_rec);
if (debug_mode) fprintf(stderr,":\n%s\n",tmp_buf);
else fprintf(stderr,"\n");
}
continue; /* and ignore this record */
}
/*********************************************/
/* 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(rec_day,rec_month,rec_year)-epoch)*86400)+
(rec_hour*3600)+(rec_min*60)+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 != rec_month) || (cur_year != rec_year) )
{
clear_month();
cur_sec = rec_sec; /* set current counters */
cur_min = rec_min;
cur_hour = rec_hour;
cur_day = rec_day;
cur_month = rec_month;
cur_year = rec_year;
cur_tstamp= rec_tstamp;
f_day=l_day=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
{
rec_sec = cur_sec; /* if folding sequence */
rec_min = cur_min; /* errors, just make it */
rec_hour = cur_hour; /* look like the last */
rec_day = cur_day; /* good records timestamp */
rec_month = cur_month;
rec_year = cur_year;
rec_tstamp= cur_tstamp;
}
}
cur_tstamp=rec_tstamp; /* update current timestamp */
/*********************************************/
/* DO SOME PRE-PROCESS FORMATTING */
/*********************************************/
/* un-escape URL */
unescape(log_rec.url);
/* fix URL field */
cp1 = cp2 = log_rec.url;
/* handle null '-' case here... */
if (*++cp1 == '-') strcpy(log_rec.url,"/INVALID-URL");
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 */
while (( *cp1=='/') && (*(cp1+1)=='/')) cp1++;
while (( *cp1!='\0')&&(*cp1!='"')) *cp2++=*cp1++;
*cp2='\0';
}
}
/* strip query portion of cgi scripts */
cp1 = log_rec.url;
while (*cp1 != '\0')
if (!isurlchar(*cp1, stripcgi)) { *cp1 = '\0'; break; }
else cp1++;
if (log_rec.url[0]=='\0')
{ log_rec.url[0]='/'; log_rec.url[1]='\0'; }
/* Normalize URL */
if (log_type==LOG_CLF && log_rec.resp_code!=RC_NOTFOUND && normalize)
{
if ( ((cp2=strstr(log_rec.url,"://"))!=NULL)&&(cp2<log_rec.url+6) )
{
cp1=cp2+3;
/* see if a '/' is present after it */
if ( (cp2=strchr(cp1,(int)'/'))==NULL) cp1--;
else cp1=cp2;
/* Ok, now shift url string */
cp2=log_rec.url; while (*cp1!='\0') *cp2++=*cp1++; *cp2='\0';
}
/* extra sanity checks on URL string */
while ((cp2=strstr(log_rec.url,"/./")))
{ cp1=cp2+2; while (*cp1!='\0') *cp2++=*cp1++; *cp2='\0'; }
if (log_rec.url[0]!='/')
{
if ( log_rec.resp_code==RC_OK ||
log_rec.resp_code==RC_PARTIALCONTENT ||
log_rec.resp_code==RC_NOMOD)
{
if (debug_mode)
fprintf(stderr,"Converted URL '%s' to '/'\n",log_rec.url);
log_rec.url[0]='/';
log_rec.url[1]='\0';
}
else
{
if (debug_mode)
fprintf(stderr,"Invalid URL: '%s'\n",log_rec.url);
strcpy(log_rec.url,"/INVALID-URL");
}
}
while ( log_rec.url[ (i=strlen(log_rec.url)-1) ] == '?' )
log_rec.url[i]='\0'; /* drop trailing ?s if any */
}
else
{
/* check for service (ie: http://) and lowercase if found */
if (((cp2=strstr(log_rec.url,"://"))!= NULL)&&(cp2<log_rec.url+6))
{
cp1=log_rec.url;
while (cp1!=cp2)
{
if ( (*cp1>='A') && (*cp1<='Z')) *cp1 += 'a'-'A';
cp1++;
}
}
}
/* strip off index.html (or any aliases) */
lptr=index_alias;
while (lptr!=NULL)
{
if ((cp1=strstr(log_rec.url,lptr->string))!=NULL)
{
if (*(cp1-1)=='/')
{
if ( !stripcgi && (cp2=strchr(cp1,'?'))!=NULL )
{ while(*cp2) *cp1++=*cp2++; *cp1='\0'; }
else *cp1='\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 (((unsigned char)*cp1<32&&(unsigned char)*cp1>0) ||
*cp1==127 || (unsigned char)*cp1=='<') *cp1=0;
else *cp2++=*cp1++;
}
*cp3 = '\0';
}
/* get query portion of cgi referrals */
cp1 = log_rec.refer;
if (*cp1 != '\0')
{
while (*cp1 != '\0')
{
if (!isurlchar(*cp1, 1))
{
/* Save query portion in log.rec.srchstr */
strncpy(log_rec.srchstr,(char *)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) agent_mangle(log_rec.agent);
/* if necessary, shrink referrer to fit storage */
if (strlen(log_rec.refer)>=MAXREFH)
{
if (verbose) fprintf(stderr,"%s [%llu]\n",
msg_big_ref,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 [%llu]\n",
msg_big_req,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 !!! */