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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_LIBNCURSESW
#ifdef __FreeBSD__
#include <ncurses.h>
#else
#include <ncursesw/curses.h>
#endif
#else
#include <ncurses.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#include <arpa/inet.h>
#include "parser.h"
#include "commons.h"
#include "error.h"
#include "xmalloc.h"
#include "gdashboard.h"
#include "settings.h"
#include "util.h"
/* *INDENT-OFF* */
/* Definitions checked against declarations */
GHashTable *ht_browsers = NULL;
GHashTable *ht_countries = NULL;
GHashTable *ht_date_bw = NULL;
GHashTable *ht_file_bw = NULL;
GHashTable *ht_file_serve_usecs = NULL;
GHashTable *ht_host_bw = NULL;
GHashTable *ht_hostnames = NULL;
GHashTable *ht_hosts_agents = NULL;
GHashTable *ht_host_serve_usecs = NULL;
GHashTable *ht_hosts = NULL;
GHashTable *ht_keyphrases = NULL;
GHashTable *ht_monthly = NULL;
GHashTable *ht_not_found_requests = NULL;
GHashTable *ht_os = NULL;
GHashTable *ht_referrers = NULL;
GHashTable *ht_referring_sites = NULL;
GHashTable *ht_requests = NULL;
GHashTable *ht_requests_static = NULL;
GHashTable *ht_status_code = NULL;
GHashTable *ht_unique_visitors = NULL;
GHashTable *ht_unique_vis = NULL;
/* *INDENT-ON* */
/* 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) ((char *) ib->value - (char *) ia->value);
}
/* sort raw numeric descending */
int
cmp_raw_req_num_desc (const void *a, const void *b)
{
const GRawDataItem *ia = a;
const GRawDataItem *ib = b;
GRequest *areq = ia->value;
GRequest *breq = ib->value;
return (int) (breq->hits - areq->hits);
}
/* 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 */
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);
}
/* 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);
}
void
reset_struct (GLog * logger)
{
logger->invalid = 0;
logger->process = 0;
logger->resp_size = 0LL;
}
GLog *
init_log (void)
{
GLog *log = xmalloc (sizeof (GLog));
memset (log, 0, sizeof *log);
return log;
}
GLogItem *
init_log_item (GLog * logger)
{
GLogItem *log;
logger->items = xmalloc (sizeof (GLogItem));
log = logger->items;
memset (log, 0, sizeof *log);
log->agent = NULL;
log->date = NULL;
log->host = NULL;
log->ref = NULL;
log->method = NULL;
log->protocol = NULL;
log->req = NULL;
log->status = NULL;
log->resp_size = 0LL;
log->serve_time = 0;
return log;
}
static void
free_logger (GLogItem * log)
{
if (log->agent != NULL)
free (log->agent);
if (log->date != NULL)
free (log->date);
if (log->host != NULL)
free (log->host);
if (log->ref != NULL)
free (log->ref);
if (log->method != NULL)
free (log->method);
if (log->protocol != NULL)
free (log->protocol);
if (log->req != NULL)
free (log->req);
if (log->status != NULL)
free (log->status);
free (log);
}
/* process bandwidth & time taken to serve the request */
static int
process_request_meta (GHashTable * ht, char *key, unsigned long long size)
{
gpointer value_ptr;
unsigned long long add_value;
unsigned long long *ptr_value;
if ((ht == NULL) || (key == NULL))
return (EINVAL);
value_ptr = g_hash_table_lookup (ht, key);
if (value_ptr != NULL) {
ptr_value = (unsigned long long *) value_ptr;
add_value = *ptr_value + size;
} else {
add_value = 0 + size;
}
ptr_value = xmalloc (sizeof (unsigned long long));
*ptr_value = add_value;
g_hash_table_replace (ht, g_strdup (key), ptr_value);
return 0;
}
static int
process_opesys (GHashTable * ht, const char *key, const char *os_type)
{
GOpeSys *opesys;
if (ht == NULL)
return (EINVAL);
opesys = g_hash_table_lookup (ht, key);
if (opesys != NULL) {
opesys->hits++;
} else {
opesys = xcalloc (1, sizeof (GOpeSys));
strcpy (opesys->os_type, os_type);
opesys->hits = 1;
}
/* replace the entry. old key will be freed by "free_os" */
g_hash_table_replace (ht, g_strdup (key), opesys);
return 0;
}
static int
process_browser (GHashTable * ht, const char *key, const char *browser_type)
{
GBrowser *browser;
if (ht == NULL)
return (EINVAL);
browser = g_hash_table_lookup (ht, key);
if (browser != NULL) {
browser->hits++;
} else {
browser = xcalloc (1, sizeof (GBrowser));
strcpy (browser->browser_type, browser_type);
browser->hits = 1;
}
/* replace the entry. old key will be freed by "free_browser" */
g_hash_table_replace (ht, g_strdup (key), browser);
return 0;
}
static int
process_request (GHashTable * ht, const char *key, const GLogItem * log)
{
GRequest *request;
if (ht == NULL)
return (EINVAL);
request = g_hash_table_lookup (ht, key);
if (request != NULL) {
request->hits++;
} else {
request = xcalloc (1, sizeof (GRequest));
if (conf.append_protocol && log->protocol) {
strncpy (request->protocol, log->protocol, REQ_PROTO_LEN);
request->protocol[REQ_PROTO_LEN - 1] = '\0';
}
if (conf.append_method && log->method) {
strncpy (request->method, log->method, REQ_METHOD_LEN);
request->method[REQ_METHOD_LEN - 1] = '\0';
}
request->request = alloc_string (log->req);
request->hits = 1;
}
/* replace the entry. old key will be freed by "free_requests" */
g_hash_table_replace (ht, g_strdup (key), request);
return 0;
}
/* store geolocation data into a hash table */
#ifdef HAVE_LIBGEOIP
static int
process_geolocation (GHashTable * ht, const char *cntry, const char *cont)
{
GLocation *loc;
if (ht == NULL)
return (EINVAL);
loc = g_hash_table_lookup (ht, cntry);
if (loc != NULL) {
loc->hits++;
} else {
loc = xcalloc (1, sizeof (GLocation));
strncpy (loc->continent, cont, CONTINENT_LEN);
loc->continent[CONTINENT_LEN - 1] = '\0';
loc->hits = 1;
}
/* replace the entry. old key will be freed by "free_countries" */
g_hash_table_replace (ht, g_strdup (cntry), loc);
return 0;
}
#endif
/* store generic data into the given hash table */
static int
process_generic_data (GHashTable * ht, const char *key)
{
int first = 0;
gint value_int;
gpointer value_ptr;
if ((ht == NULL) || (key == NULL))
return (EINVAL);
value_ptr = g_hash_table_lookup (ht, key);
if (value_ptr != NULL)
value_int = GPOINTER_TO_INT (value_ptr);
else {
value_int = 0;
first = 1;
}
value_int++;
/* replace the entry. old key will be freed by "free_key_value" */
g_hash_table_replace (ht, g_strdup (key), GINT_TO_POINTER (value_int));
return first ? KEY_NOT_FOUND : KEY_FOUND;
}
/** from oreillynet.com
** with minor modifications **/
#define SPC_BASE16_TO_10(x) (((x) >= '0' && (x) <= '9') ? \
((x) - '0') : (toupper((x)) - 'A' + 10))
static char *
spc_decode_url (char *url)
{
char *out, *ptr;
const char *c;
if (!(out = ptr = xstrdup (url)))
return 0;
for (c = url; *c; c++) {
if (*c != '%' || !isxdigit (c[1]) || !isxdigit (c[2]))
*ptr++ = *c;
else {
*ptr++ = (SPC_BASE16_TO_10 (c[1]) * 16) + (SPC_BASE16_TO_10 (c[2]));
c += 2;
}
}
*ptr = 0;
return trim_str (out);
}
/* process keyphrases used on Google search, Google cache, and
* Google translate. */
static int
process_keyphrases (char *ref)
{
char *r, *ptr, *p, *dec, *pch;
if (!(strstr (ref, "http://www.google.")) &&
!(strstr (ref, "http://webcache.googleusercontent.com/")) &&
!(strstr (ref, "http://translate.googleusercontent.com/")))
return 1;
if ((r = strstr (ref, "/+&")) != NULL)
return 1;
else if ((r = strstr (ref, "/+")) != NULL)
r += 2;
else if ((r = strstr (ref, "q=cache:")) != NULL) {
pch = strchr (r, '+');
if (pch)
r += pch - r + 1;
} 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)
r += 7;
else
return 1;
dec = spc_decode_url (r);
if ((ptr = strstr (dec, "%26")) != NULL || (ptr = strchr (dec, '&')) != NULL)
*ptr = '\0';
p = dec;
if (p[0] == '\0') {
if (dec != NULL)
free (dec);
return 1;
}
p = char_replace (p, '+', ' ');
process_generic_data (ht_keyphrases, trim_str (dec));
if (dec != NULL)
free (dec);
return 0;
}
/* process host agent strings */
static int
process_host_agents (char *host, char *agent)
{
char *ptr_value, *tmp, *a;
GHashTable *ht = ht_hosts_agents;
gpointer value_ptr;
size_t len1, len2;
if ((ht == NULL) || (host == NULL) || (agent == NULL))
return (EINVAL);
a = xstrdup (agent);
value_ptr = g_hash_table_lookup (ht, host);
if (value_ptr != NULL) {
ptr_value = (char *) value_ptr;
if (strstr (ptr_value, a)) {
if (a != NULL)
free (a);
return 0;
}
len1 = strlen (ptr_value);
len2 = strlen (a);
tmp = xmalloc (len1 + len2 + 2);
memcpy (tmp, ptr_value, len1);
tmp[len1] = '|';
/*
* NUL-terminated
*/
memcpy (tmp + len1 + 1, a, len2 + 1);
} else
tmp = alloc_string (a);
g_hash_table_replace (ht, g_strdup (host), tmp);
if (a != NULL)
free (a);
return 0;
}
/* process referer */
static void
process_referrers (char *referrer)
{
char *ref;
char url[512] = "";
if (referrer == NULL)
return;
ref = spc_decode_url (referrer);
/* extract the host part, i.e., www.foo.com */
if (sscanf (ref, "%*[^/]%*[/]%[^/]", url) == 1)
process_generic_data (ht_referring_sites, url);
process_generic_data (ht_referrers, ref);
process_keyphrases (referrer);
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)
{
char *a = NULL;
char *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) {
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);
if ((date = strchr (visitor_key, '|')) != NULL) {
char *tmp_date = NULL;
tmp_date = clean_date (++date);
if (tmp_date != NULL) {
process_generic_data (ht_unique_vis, tmp_date);
free (tmp_date);
}
}
}
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);
if (strlen (req) < 5)
return 0;
if (!memcmp (nul - 4, ".jpg", 4) || !memcmp (nul - 4, ".JPG", 4) ||
!memcmp (nul - 4, ".png", 4) || !memcmp (nul - 4, ".PNG", 4) ||
!memcmp (nul - 4, ".pdf", 4) || !memcmp (nul - 4, ".PDF", 4) ||
!memcmp (nul - 3, ".js", 3) || !memcmp (nul - 3, ".JS", 3) ||
!memcmp (nul - 4, ".map", 4) || !memcmp (nul - 4, ".MAP", 4) ||
!memcmp (nul - 4, ".gif", 4) || !memcmp (nul - 4, ".GIF", 4) ||
!memcmp (nul - 4, ".css", 4) || !memcmp (nul - 4, ".CSS", 4) ||
!memcmp (nul - 4, ".ico", 4) || !memcmp (nul - 4, ".ICO", 4) ||
!memcmp (nul - 4, ".txt", 4) || !memcmp (nul - 4, ".TXT", 4) ||
!memcmp (nul - 4, ".swf", 4) || !memcmp (nul - 4, ".SWF", 4) ||
!memcmp (nul - 5, ".jpeg", 5) || !memcmp (nul - 5, ".JPEG", 5) ||
!memcmp (nul - 5, ".woff", 5) || !memcmp (nul - 5, ".WOFF", 5) ||
!memcmp (nul - 4, ".eot", 4) || !memcmp (nul - 4, ".EOT", 4) ||
!memcmp (nul - 4, ".svg", 4) || !memcmp (nul - 4, ".SVG", 4) ||
!memcmp (nul - 4, ".ttf", 4) || !memcmp (nul - 4, ".TTF", 4) ||
!memcmp (nul - 4, ".dae", 4) || !memcmp (nul - 4, ".DAE", 4))
return 1;
return 0;
}
static char *
parse_req (char *line, GLogItem * log)
{
const char *lookfor = NULL;
char *reqs, *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 ("-");
reqs = xmalloc (req_len + 1);
strncpy (reqs, req_l, req_len);
reqs[req_len] = 0;
if (conf.append_method) {
method = trim_str (xstrdup (lookfor));
str_to_upper (method);
log->method = method;
}
if (conf.append_protocol) {
protocol = xstrdup (++req_r);
str_to_upper (protocol);
log->protocol = protocol;
}
} else
reqs = alloc_string (line);
return reqs;
}
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 * log, 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 (log->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;
}
log->date = tkn;
break;
/* remote hostname (IP only) */
case 'h':
if (log->host)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
return 1;
if (invalid_ipaddr (tkn)) {
free (tkn);
return 1;
}
log->host = tkn;
break;
/* request method */
case 'm':
if (log->method)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
return 1;
if (invalid_method (tkn)) {
free (tkn);
return 1;
}
log->method = tkn;
break;
/* request not including method or protocol */
case 'U':
if (log->req)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
return 1;
log->req = tkn;
break;
/* request protocol */
case 'H':
if (log->protocol)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
return 1;
if (invalid_protocol (tkn)) {
free (tkn);
return 1;
}
log->protocol = tkn;
break;
/* request, including method + protocol */
case 'r':
if (log->req)
return 1;
tkn = parse_string (&str, p[1]);
if (tkn == NULL)
return 1;
log->req = parse_req (tkn, log);
free (tkn);
break;
/* Status Code */
case 's':
if (log->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;
}
log->status = tkn;
break;
/* size of response in bytes - excluding HTTP headers */
case 'b':
if (log->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;
log->resp_size = bandw;
conf.bandwidth = 1;
free (tkn);
break;
/* referrer */
case 'R':
if (log->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 ("-");
}
log->ref = tkn;
break;
/* user agent */
case 'u':
if (log->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)
*/
log->agent = char_replace (spc_decode_url (tkn), '+', ' ');
free (tkn);
break;