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parser.c
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parser.c
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/**
* parser.c -- web log parsing
* Copyright (C) 2009-2014 by Gerardo Orellana <[email protected]>
* GoAccess - An Ncurses apache weblog analyzer & interactive viewer
*
* 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.
*
* 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.
*
* A copy of the GNU General Public License is attached to this
* source distribution for its full text.
*
* Visit http://goaccess.prosoftcorp.com for new releases.
*/
/*
* "_XOPEN_SOURCE" is required for the GNU libc to export "strptime(3)"
* correctly.
*/
#define _LARGEFILE_SOURCE
#define _LARGEFILE64_SOURCE
#define _FILE_OFFSET_BITS 64
#define _XOPEN_SOURCE 700
#include <ctype.h>
#include <errno.h>
#if HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_NCURSESW_NCURSES_H
#include <ncursesw/ncurses.h>
#elif HAVE_NCURSES_NCURSES_H
#include <ncurses/ncurses.h>
#elif HAVE_NCURSES_H
#include <ncurses.h>
#elif HAVE_CURSES_H
#include <curses.h>
#endif
#include <arpa/inet.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#ifdef HAVE_LIBTOKYOCABINET
#include "tcabinet.h"
#else
#include "glibht.h"
#endif
#ifdef HAVE_LIBGEOIP
#include "geolocation.h"
#endif
#include "parser.h"
#include "browsers.h"
#include "commons.h"
#include "goaccess.h"
#include "error.h"
#include "opesys.h"
#include "settings.h"
#include "util.h"
#include "xmalloc.h"
/* sort data ascending */
int
cmp_data_asc (const void *a, const void *b)
{
const GHolderItem *ia = a;
const GHolderItem *ib = b;
return strcmp (ia->data, ib->data);
}
/* sort data descending */
int
cmp_data_desc (const void *a, const void *b)
{
const GHolderItem *ia = a;
const GHolderItem *ib = b;
return strcmp (ib->data, ia->data);
}
/* sort raw data descending */
int
cmp_raw_data_desc (const void *a, const void *b)
{
const GRawDataItem *ia = a;
const GRawDataItem *ib = b;
return strcmp ((const char *) ib->key, (const char *) ia->key);
}
/* sort numeric descending */
int
cmp_num_desc (const void *a, const void *b)
{
const GHolderItem *ia = a;
const GHolderItem *ib = b;
return (int) (ib->hits - ia->hits);
}
/* sort raw numeric descending */
int
cmp_raw_num_desc (const void *a, const void *b)
{
const GRawDataItem *ia = a;
const GRawDataItem *ib = b;
return (int) (*(int *) ib->value - *(int *) ia->value);
}
/* sort raw numeric descending */
int
cmp_raw_os_num_desc (const void *a, const void *b)
{
const GRawDataItem *ia = a;
const GRawDataItem *ib = b;
GOpeSys *aos = ia->value;
GOpeSys *bos = ib->value;
return (int) (bos->hits - aos->hits);
}
/* sort raw numeric descending */
int
cmp_raw_browser_num_desc (const void *a, const void *b)
{
const GRawDataItem *ia = a;
const GRawDataItem *ib = b;
GBrowser *abro = ia->value;
GBrowser *bbro = ib->value;
return (int) (bbro->hits - abro->hits);
}
/* sort raw numeric descending */
#ifdef HAVE_LIBGEOIP
int
cmp_raw_geo_num_desc (const void *a, const void *b)
{
const GRawDataItem *ia = a;
const GRawDataItem *ib = b;
GLocation *aloc = ia->value;
GLocation *bloc = ib->value;
return (int) (bloc->hits - aloc->hits);
}
#endif
/* sort numeric ascending */
int
cmp_num_asc (const void *a, const void *b)
{
const GHolderItem *ia = a;
const GHolderItem *ib = b;
return (int) (ia->hits - ib->hits);
}
/* sort bandwidth descending */
int
cmp_bw_desc (const void *a, const void *b)
{
const GHolderItem *ia = a;
const GHolderItem *ib = b;
return (unsigned long long) (ib->bw - ia->bw);
}
/* sort bandwidth ascending */
int
cmp_bw_asc (const void *a, const void *b)
{
const GHolderItem *ia = a;
const GHolderItem *ib = b;
return (unsigned long long) (ia->bw - ib->bw);
}
/* sort usec descending */
int
cmp_usec_desc (const void *a, const void *b)
{
const GHolderItem *ia = a;
const GHolderItem *ib = b;
return (unsigned long long) (ib->usecs - ia->usecs);
}
/* sort usec ascending */
int
cmp_usec_asc (const void *a, const void *b)
{
const GHolderItem *ia = a;
const GHolderItem *ib = b;
return (unsigned long long) (ia->usecs - ib->usecs);
}
/* sort protocol ascending */
int
cmp_proto_asc (const void *a, const void *b)
{
const GHolderItem *ia = a;
const GHolderItem *ib = b;
return strcmp (ia->protocol, ib->protocol);
}
/* sort protocol descending */
int
cmp_proto_desc (const void *a, const void *b)
{
const GHolderItem *ia = a;
const GHolderItem *ib = b;
return strcmp (ib->protocol, ia->protocol);
}
/* sort method ascending */
int
cmp_mthd_asc (const void *a, const void *b)
{
const GHolderItem *ia = a;
const GHolderItem *ib = b;
return strcmp (ia->method, ib->method);
}
/* sort method descending */
int
cmp_mthd_desc (const void *a, const void *b)
{
const GHolderItem *ia = a;
const GHolderItem *ib = b;
return strcmp (ib->method, ia->method);
}
/* allocate memory for ht raw data */
GRawData *
new_grawdata (void)
{
GRawData *raw_data = xmalloc (sizeof (GRawData));
memset (raw_data, 0, sizeof *raw_data);
return raw_data;
}
/* allocate memory for raw data items */
GRawDataItem *
new_grawdata_item (unsigned int size)
{
GRawDataItem *item = xcalloc (size, sizeof (GRawDataItem));
return item;
}
/* free memory allocated in raw data */
void
free_raw_data (GRawData * raw_data)
{
#ifdef HAVE_LIBTOKYOCABINET
int i;
for (i = 0; i < raw_data->size; i++) {
if (raw_data->items[i].key != NULL)
free (raw_data->items[i].key);
if (raw_data->items[i].value != NULL)
free (raw_data->items[i].value);
}
#endif
free (raw_data->items);
free (raw_data);
}
void
reset_struct (GLog * logger)
{
logger->invalid = 0;
logger->process = 0;
logger->resp_size = 0LL;
}
GLog *
init_log (void)
{
GLog *glog = xmalloc (sizeof (GLog));
memset (glog, 0, sizeof *glog);
return glog;
}
GLogItem *
init_log_item (GLog * logger)
{
GLogItem *glog;
logger->items = xmalloc (sizeof (GLogItem));
glog = logger->items;
memset (glog, 0, sizeof *glog);
glog->agent = NULL;
glog->date = NULL;
glog->host = NULL;
glog->ref = NULL;
glog->method = NULL;
glog->protocol = NULL;
glog->req = NULL;
glog->status = NULL;
glog->resp_size = 0LL;
glog->serve_time = 0;
return glog;
}
static void
free_logger (GLogItem * glog)
{
if (glog->agent != NULL)
free (glog->agent);
if (glog->date != NULL)
free (glog->date);
if (glog->host != NULL)
free (glog->host);
if (glog->ref != NULL)
free (glog->ref);
if (glog->method != NULL)
free (glog->method);
if (glog->protocol != NULL)
free (glog->protocol);
if (glog->req != NULL)
free (glog->req);
if (glog->status != NULL)
free (glog->status);
free (glog);
}
#define BASE16_TO_10(x) (((x) >= '0' && (x) <= '9') ? ((x) - '0') : \
(toupper((x)) - 'A' + 10))
static char *
decode_url (char *url)
{
char *out, *ptr;
const char *c;
if ((url == NULL) || (*url == '\0'))
return NULL;
out = ptr = xstrdup (url);
for (c = url; *c; c++) {
if (*c != '%' || !isxdigit (c[1]) || !isxdigit (c[2]))
*ptr++ = *c;
else {
*ptr++ = (BASE16_TO_10 (c[1]) * 16) + (BASE16_TO_10 (c[2]));
c += 2;
}
}
*ptr = 0;
strip_newlines (out);
return trim_str (out);
}
/* Process keyphrases from Google search, cache, and translate.
* Note that the referer hasn't been decoded at the entry point
* since there could be '&' within the search query. */
static int
process_keyphrases (char *ref)
{
char *r, *ptr, *pch, *referer;
int encoded = 0;
if (!(strstr (ref, "http://www.google.")) &&
!(strstr (ref, "http://webcache.googleusercontent.com/")) &&
!(strstr (ref, "http://translate.googleusercontent.com/")))
return 1;
/* webcache.googleusercontent */
if ((r = strstr (ref, "/+&")) != NULL)
return 1;
/* webcache.googleusercontent */
else if ((r = strstr (ref, "/+")) != NULL)
r += 2;
/* webcache.googleusercontent */
else if ((r = strstr (ref, "q=cache:")) != NULL) {
pch = strchr (r, '+');
if (pch)
r += pch - r + 1;
}
/* www.google.* or translate.googleusercontent */
else if ((r = strstr (ref, "&q=")) != NULL ||
(r = strstr (ref, "?q=")) != NULL)
r += 3;
else if ((r = strstr (ref, "%26q%3D")) != NULL ||
(r = strstr (ref, "%3Fq%3D")) != NULL)
encoded = 1, r += 7;
else
return 1;
if (!encoded && (ptr = strchr (r, '&')) != NULL)
*ptr = '\0';
else if (encoded && (ptr = strstr (r, "%26")) != NULL)
*ptr = '\0';
referer = decode_url (r);
if (referer == NULL || *referer == '\0')
return 1;
referer = char_replace (referer, '+', ' ');
process_generic_data (ht_keyphrases, trim_str (referer));
free (referer);
return 0;
}
/* process referer */
static void
process_referrers (char *referrer)
{
char *ref;
char url[REF_SITE_LEN] = "";
if (referrer == NULL)
return;
/* extract the host part, i.e., www.foo.com */
if (sscanf (referrer, "%*[^/]%*[/]%[^/]", url) == 1)
process_generic_data (ht_referring_sites, url);
process_keyphrases (referrer);
ref = decode_url (referrer);
if (ref == NULL || *ref == '\0')
return;
process_generic_data (ht_referrers, ref);
free (ref);
}
/* process data based on a unique key, this includes the following
* modules, VISITORS, BROWSERS, OS */
static void
process_unique_data (char *host, char *date, char *agent)
{
#ifdef HAVE_LIBGEOIP
char city[CITY_LEN] = "";
char continent[CONTINENT_LEN] = "";
char country[COUNTRY_LEN] = "";
#endif
char *a = NULL, *browser_key = NULL, *browser = NULL;
char *os_key = NULL, *opsys = NULL;
char visitor_key[UKEY_BUFFER];
char os_type[OPESYS_TYPE_LEN], browser_type[BROWSER_TYPE_LEN];
a = deblank (xstrdup (agent));
snprintf (visitor_key, sizeof (visitor_key), "%s|%s|%s", host, date, a);
(visitor_key)[sizeof (visitor_key) - 1] = '\0';
free (a);
/* Check if the unique visitor key exists, if not,
* process hit as unique visitor. Includes, BROWSERS, OSs, VISITORS. */
if (process_generic_data (ht_unique_visitors, visitor_key) == -1) {
process_generic_data (ht_unique_vis, date);
browser_key = xstrdup (agent);
os_key = xstrdup (agent);
/* extract browser & OS from agent */
browser = verify_browser (browser_key, browser_type);
if (browser != NULL)
process_browser (ht_browsers, browser, browser_type);
opsys = verify_os (os_key, os_type);
if (opsys != NULL)
process_opesys (ht_os, opsys, os_type);
#ifdef HAVE_LIBGEOIP
if (geo_location_data != NULL) {
if (conf.geoip_city_data)
geoip_get_city (host, city);
geoip_get_country (host, country);
geoip_get_continent (host, continent);
process_geolocation (ht_countries, country, continent, city);
}
#endif
}
if (browser != NULL)
free (browser);
if (browser_key != NULL)
free (browser_key);
if (os_key != NULL)
free (os_key);
if (opsys != NULL)
free (opsys);
}
/**
* Append HTTP method to the request
* ###NOTE: the whole string will serve as a key
*/
static void
append_method_to_request (char **key, const char *method)
{
char *s = NULL;
if (*key == NULL || **key == '\0')
return;
if (method == NULL || *method == '\0')
return;
s = xmalloc (snprintf (NULL, 0, "%s %s", method, *key) + 1);
sprintf (s, "%s %s", method, *key);
free (*key);
*key = s;
}
/**
* Append HTTP protocol to the request
* ###NOTE: the whole string will serve as a key
*/
static void
append_protocol_to_request (char **key, const char *protocol)
{
char *s = NULL;
if (*key == NULL || **key == '\0')
return;
if (protocol == NULL || *protocol == '\0')
return;
s = xmalloc (snprintf (NULL, 0, "%s %s", protocol, *key) + 1);
sprintf (s, "%s %s", protocol, *key);
free (*key);
*key = s;
}
/* returns 1 if the request seems to be a static file */
static int
verify_static_content (char *req)
{
char *nul = req + strlen (req), *ext = NULL;
int elen = 0, i;
if (strlen (req) < conf.static_file_max_len)
return 0;
for (i = 0; i < conf.static_file_idx; ++i) {
ext = conf.static_files[i];
if (ext == NULL || *ext == '\0')
continue;
elen = strlen (ext);
if (!memcmp (nul - elen, ext, elen))
return 1;
}
return 0;
}
static char *
parse_req (char *line, GLogItem * glog)
{
const char *lookfor = NULL;
char *req, *request, *req_l = NULL, *req_r = NULL;
char *method = NULL, *protocol = NULL;
ptrdiff_t req_len;
if ((lookfor = "OPTIONS ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "GET ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "HEAD ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "POST ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "PUT ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "DELETE ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "TRACE ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "CONNECT ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "options ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "get ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "head ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "post ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "put ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "delete ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "trace ", req_l = strstr (line, lookfor)) != NULL ||
(lookfor = "connect ", req_l = strstr (line, lookfor)) != NULL) {
/* didn't find it - weird */
if ((req_r = strstr (line, " HTTP/1.0")) == NULL &&
(req_r = strstr (line, " HTTP/1.1")) == NULL)
return alloc_string ("-");
req_l += strlen (lookfor);
req_len = req_r - req_l;
/* make sure we don't have some weird requests */
if (req_len <= 0)
return alloc_string ("-");
req = xmalloc (req_len + 1);
strncpy (req, req_l, req_len);
req[req_len] = 0;
if (conf.append_method) {
method = trim_str (xstrdup (lookfor));
str_to_upper (method);
glog->method = method;
}
if (conf.append_protocol) {
protocol = xstrdup (++req_r);
str_to_upper (protocol);
glog->protocol = protocol;
}
} else
req = alloc_string (line);
request = decode_url (req);
if (request != NULL && *request != '\0') {
free (req);
return request;
}
return req;
}
static int
invalid_method (const char *token)
{
const char *lookfor = NULL;
return !((lookfor = "OPTIONS", !memcmp (token, lookfor, 7)) ||
(lookfor = "GET", !memcmp (token, lookfor, 3)) ||
(lookfor = "HEAD", !memcmp (token, lookfor, 4)) ||
(lookfor = "POST", !memcmp (token, lookfor, 4)) ||
(lookfor = "PUT", !memcmp (token, lookfor, 3)) ||
(lookfor = "DELETE", !memcmp (token, lookfor, 6)) ||
(lookfor = "TRACE", !memcmp (token, lookfor, 5)) ||
(lookfor = "CONNECT", !memcmp (token, lookfor, 7)) ||
(lookfor = "options", !memcmp (token, lookfor, 7)) ||
(lookfor = "get", !memcmp (token, lookfor, 3)) ||
(lookfor = "head", !memcmp (token, lookfor, 4)) ||
(lookfor = "post", !memcmp (token, lookfor, 4)) ||
(lookfor = "put", !memcmp (token, lookfor, 3)) ||
(lookfor = "delete", !memcmp (token, lookfor, 6)) ||
(lookfor = "trace", !memcmp (token, lookfor, 5)) ||
(lookfor = "connect", !memcmp (token, lookfor, 7)));
}
static int
invalid_protocol (const char *token)
{
const char *lookfor = NULL;
return !((lookfor = "HTTP/1.0", !memcmp (token, lookfor, 8)) ||
(lookfor = "HTTP/1.1", !memcmp (token, lookfor, 8)));
}
static char *
parse_string (char **str, char end)
{
char *pch = *str, *p;
do {
if (*pch == end || *pch == '\0') {
size_t len = (pch - *str + 1);
p = xmalloc (len);
memcpy (p, *str, (len - 1));
p[len - 1] = '\0';
*str += len - 1;
return trim_str (p);
}
/* advance to the first unescaped delim */
if (*pch == '\\')
pch++;
} while (*pch++);
return NULL;
}
static int
parse_format (GLogItem * glog, const char *fmt, const char *date_format,
char *str)
{
const char *p;
double serve_secs;
int special = 0;
struct tm tm;
unsigned long long bandw, serve_time;
if (str == NULL || *str == '\0')
return 1;
memset (&tm, 0, sizeof (tm));
/* iterate over the log format */
for (p = fmt; *p; p++) {
if (*p == '%') {
special++;
continue;
}
if (special && *p != '\0') {
char *pch, *sEnd, *bEnd, *tkn = NULL, *end = NULL;
errno = 0;
bandw = 0;
serve_time = 0;
serve_secs = 0;
switch (*p) {
/* date */
case 'd':
if (glog->date)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
return 1;
end = strptime (tkn, date_format, &tm);
if (end == NULL || *end != '\0') {
free (tkn);
return 1;
}
glog->date = tkn;
break;
/* remote hostname (IP only) */
case 'h':
if (glog->host)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
return 1;
if (invalid_ipaddr (tkn)) {
free (tkn);
return 1;
}
glog->host = tkn;
break;
/* request method */
case 'm':
if (glog->method)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
return 1;
if (invalid_method (tkn)) {
free (tkn);
return 1;
}
glog->method = tkn;
break;
/* request not including method or protocol */
case 'U':
if (glog->req)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL || *tkn == '\0')
return 1;
if ((glog->req = decode_url (tkn)) == NULL)
return 1;
free (tkn);
break;
/* request protocol */
case 'H':
if (glog->protocol)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
return 1;
if (invalid_protocol (tkn)) {
free (tkn);
return 1;
}
glog->protocol = tkn;
break;
/* request, including method + protocol */
case 'r':
if (glog->req)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
return 1;
glog->req = parse_req (tkn, glog);
free (tkn);
break;
/* Status Code */
case 's':
if (glog->status)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
return 1;
strtol (tkn, &sEnd, 10);
if (tkn == sEnd || *sEnd != '\0' || errno == ERANGE) {
free (tkn);
return 1;
}
glog->status = tkn;
break;
/* size of response in bytes - excluding HTTP headers */
case 'b':
if (glog->resp_size)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
return 1;
bandw = strtol (tkn, &bEnd, 10);
if (tkn == bEnd || *bEnd != '\0' || errno == ERANGE)
bandw = 0;
glog->resp_size = bandw;
conf.bandwidth = 1;
free (tkn);
break;
/* referrer */
case 'R':
if (glog->ref)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
tkn = alloc_string ("-");
if (tkn != NULL && *tkn == '\0') {
free (tkn);
tkn = alloc_string ("-");
}
glog->ref = tkn;
break;
/* user agent */
case 'u':
if (glog->agent)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn != NULL && *tkn != '\0') {
/* Make sure the user agent is decoded (i.e.: CloudFront)
* and replace all '+' with ' ' (i.e.: w3c) */
glog->agent = char_replace (decode_url (tkn), '+', ' ');
free (tkn);
break;
} else if (tkn != NULL && *tkn == '\0') {
free (tkn);
tkn = alloc_string ("-");
}
/* must be null */
else {
tkn = alloc_string ("-");
}
glog->agent = tkn;
break;
/* time taken to serve the request, in seconds */
case 'T':
if (glog->serve_time)
return 1;
/* ignore seconds if we have microseconds */
if (strstr (fmt, "%D") != NULL)
break;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
return 1;
if (strchr (tkn, '.') != NULL)
serve_secs = strtod (tkn, &bEnd);
else
serve_secs = strtoull (tkn, &bEnd, 10);
if (tkn == bEnd || *bEnd != '\0' || errno == ERANGE)
serve_secs = 0;
/* convert it to microseconds */
if (serve_secs > 0)
glog->serve_time = serve_secs * SECS;
else
glog->serve_time = 0;
conf.serve_usecs = 1;
free (tkn);
break;
/* time taken to serve the request, in microseconds */
case 'D':
if (glog->serve_time)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
return 1;
serve_time = strtoull (tkn, &bEnd, 10);
if (tkn == bEnd || *bEnd != '\0' || errno == ERANGE)
serve_time = 0;
glog->serve_time = serve_time;
conf.serve_usecs = 1;
free (tkn);
break;
/* everything else skip it */
default:
if ((pch = strchr (str, p[1])) != NULL)
str += pch - str;
}
if ((str == NULL) || (*str == '\0'))
return 0;
special = 0;
} else if (special && isspace (p[0])) {
return 1;
} else
str++;
}
return 0;
}
/* process a line from the log and store it accordingly */
static int
process_log (GLog * logger, char *line, int test)
{
GLogItem *glog;
char buf[DATE_LEN];
char *qmark = NULL, *req_key = NULL;
int not_found = 0; /* 404s */
/* make compiler happy */
memset (buf, 0, sizeof (buf));
if ((line == NULL) || (*line == '\0')) {
logger->invalid++;
return 0;
}
/* ignore comments */
if (*line == '#' || *line == '\n')
return 0;
if (parsing_spinner != NULL && parsing_spinner->state == SPN_RUN)
pthread_mutex_lock (&parsing_spinner->mutex);
logger->process++;
#ifdef TCB_BTREE
process_generic_data (ht_general_stats, "total_requests");
#endif
if (parsing_spinner != NULL && parsing_spinner->state == SPN_RUN)
pthread_mutex_unlock (&parsing_spinner->mutex);
glog = init_log_item (logger);
if (parse_format (glog, conf.log_format, conf.date_format, line) == 1) {
free_logger (glog);
logger->invalid++;
#ifdef TCB_BTREE
process_generic_data (ht_general_stats, "failed_requests");
#endif
return 0;
}
/* must have the following fields */
if (glog->host == NULL || glog->date == NULL || glog->status == NULL ||
glog->req == NULL) {
free_logger (glog);
logger->invalid++;
return 0;
}
if (test) {
free_logger (glog);
return 0;
}
convert_date (buf, glog->date, conf.date_format, "%Y%m%d", DATE_LEN);
if (buf == NULL)
return 0;
/* ignore host */
if (conf.ignore_host != NULL && strcmp (glog->host, conf.ignore_host) == 0)
return 0;
/* agent will be null in cases where %u is not specified */
if (glog->agent == NULL)
glog->agent = alloc_string ("-");
/* process visitors, browsers, and OS */
process_unique_data (glog->host, buf, glog->agent);
/* process agents that are part of a host */
if (conf.list_agents)
process_host_agents (glog->host, glog->agent);
/* is this a 404? */
if (!memcmp (glog->status, "404", 3)) {
not_found = 1;
}
/* check if we need to remove the request's query string */
else if (conf.ignore_qstr) {
if ((qmark = strchr (glog->req, '?')) != NULL) {
if ((qmark - glog->req) > 0)
*qmark = '\0';
}
}
req_key = xstrdup (glog->req);
/* include HTTP method/protocol to request */
if (conf.append_method && glog->method) {
str_to_upper (glog->method);
append_method_to_request (&req_key, glog->method);
}
if (conf.append_protocol && glog->protocol) {
str_to_upper (glog->protocol);
append_protocol_to_request (&req_key, glog->protocol);
}
if ((conf.append_method) || (conf.append_protocol))
req_key = deblank (req_key);