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haproxy/src/log.c
William Lallemand bfb099c3b3 BUG/MEDIUM: bad length in log_format and __send_log 
__send_log(): the size of the buffer sent is wrong when the facility
is lower than 3 digits.

logformat_write_string(): computation of size is wrong

Note: this was introduced after 1.5-dev7, no backport needed.
2012-03-19 17:15:13 +01:00

1126 lines
30 KiB
C
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/*
* General logging functions.
*
* Copyright 2000-2008 Willy Tarreau <w@1wt.eu>
*
* 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.
*
*/
#include <fcntl.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <time.h>
#include <unistd.h>
#include <errno.h>
#include <sys/time.h>
#include <common/config.h>
#include <common/compat.h>
#include <common/standard.h>
#include <common/time.h>
#include <types/global.h>
#include <types/log.h>
#include <proto/log.h>
#include <proto/stream_interface.h>
const char *log_facilities[NB_LOG_FACILITIES] = {
"kern", "user", "mail", "daemon",
"auth", "syslog", "lpr", "news",
"uucp", "cron", "auth2", "ftp",
"ntp", "audit", "alert", "cron2",
"local0", "local1", "local2", "local3",
"local4", "local5", "local6", "local7"
};
const char *log_levels[NB_LOG_LEVELS] = {
"emerg", "alert", "crit", "err",
"warning", "notice", "info", "debug"
};
const char sess_term_cond[10] = "-cCsSPRIDK"; /* normal, CliTo, CliErr, SrvTo, SrvErr, PxErr, Resource, Internal, Down, Killed */
const char sess_fin_state[8] = "-RCHDLQT"; /* cliRequest, srvConnect, srvHeader, Data, Last, Queue, Tarpit */
/* log_format */
struct logformat_type {
char *name;
int type;
int mode;
int (*config_callback)(struct logformat_node *node, struct proxy *curproxy);
};
int prepare_addrsource(struct logformat_node *node, struct proxy *curproxy);
/* log_format variable names */
static const struct logformat_type logformat_keywords[] = {
{ "o", LOG_GLOBAL, PR_MODE_TCP, NULL }, /* global option */
{ "Ci", LOG_CLIENTIP, PR_MODE_TCP, NULL }, /* client ip */
{ "Cp", LOG_CLIENTPORT, PR_MODE_TCP, NULL }, /* client port */
{ "Bp", LOG_SOURCEPORT, PR_MODE_TCP, prepare_addrsource }, /* backend source port */
{ "Bi", LOG_SOURCEIP, PR_MODE_TCP, prepare_addrsource }, /* backend source ip */
{ "t", LOG_DATE, PR_MODE_TCP, NULL }, /* date */
{ "T", LOG_DATEGMT, PR_MODE_TCP, NULL }, /* date GMT */
{ "ms", LOG_MS, PR_MODE_TCP, NULL }, /* accept date millisecond */
{ "f", LOG_FRONTEND, PR_MODE_TCP, NULL }, /* frontend */
{ "b", LOG_BACKEND, PR_MODE_TCP, NULL }, /* backend */
{ "s", LOG_SERVER, PR_MODE_TCP, NULL }, /* server */
{ "B", LOG_BYTES, PR_MODE_TCP, NULL }, /* bytes read */
{ "Tq", LOG_TQ, PR_MODE_HTTP, NULL }, /* Tq */
{ "Tw", LOG_TW, PR_MODE_TCP, NULL }, /* Tw */
{ "Tc", LOG_TC, PR_MODE_TCP, NULL }, /* Tc */
{ "Tr", LOG_TR, PR_MODE_HTTP, NULL }, /* Tr */
{ "Tt", LOG_TT, PR_MODE_TCP, NULL }, /* Tt */
{ "st", LOG_STATUS, PR_MODE_HTTP, NULL }, /* status code */
{ "cc", LOG_CCLIENT, PR_MODE_HTTP, NULL }, /* client cookie */
{ "cs", LOG_CSERVER, PR_MODE_HTTP, NULL }, /* server cookie */
{ "ts", LOG_TERMSTATE, PR_MODE_TCP, NULL },/* terminaison state */
{ "tsc", LOG_TERMSTATE_CK, PR_MODE_HTTP, NULL },/* terminaison state with cookie status */
{ "ac", LOG_ACTCONN, PR_MODE_TCP, NULL }, /* actconn */
{ "fc", LOG_FECONN, PR_MODE_TCP, NULL }, /* feconn */
{ "bc", LOG_BECONN, PR_MODE_TCP, NULL }, /* beconn */
{ "sc", LOG_SRVCONN, PR_MODE_TCP, NULL }, /* srv_conn */
{ "rc", LOG_RETRIES, PR_MODE_TCP, NULL }, /* retries */
{ "sq", LOG_SRVQUEUE, PR_MODE_TCP, NULL }, /* srv_queue */
{ "bq", LOG_BCKQUEUE, PR_MODE_TCP, NULL }, /* backend_queue */
{ "hr", LOG_HDRREQUEST, PR_MODE_HTTP, NULL }, /* header request */
{ "hs", LOG_HDRRESPONS, PR_MODE_HTTP, NULL }, /* header response */
{ "hrl", LOG_HDRREQUESTLIST, PR_MODE_HTTP, NULL }, /* header request list */
{ "hsl", LOG_HDRRESPONSLIST, PR_MODE_HTTP, NULL }, /* header response list */
{ "r", LOG_REQ, PR_MODE_HTTP, NULL }, /* request */
{ 0, 0, 0, NULL }
};
char default_http_log_format[] = "%Ci:%Cp [%t] %f %b/%s %Tq/%Tw/%Tc/%Tr/%Tt %st %B %cc %cs %tsc %ac/%fc/%bc/%sc/%rc %sq/%bq %hr %hs %{+Q}r"; // default format
char clf_http_log_format[] = "%{+Q}o %{-Q}Ci - - [%T] %r %st %B \"\" \"\" %Cp %ms %f %b %s %Tq %Tw %Tc %Tr %Tt %tsc %ac %fc %bc %sc %rc %sq %bq %cc %cs %hrl %hsl";
char default_tcp_log_format[] = "%Ci:%Cp [%t] %f %b/%s %Tw/%Tc/%Tt %B %ts %ac/%fc/%bc/%sc/%rc %sq/%bq";
char *log_format = NULL;
/* This is a global syslog line, common to all outgoing messages. It begins
* with the syslog tag and the date that are updated by update_log_hdr().
*/
static char logline[MAX_SYSLOG_LEN];
struct logformat_var_args {
char *name;
int mask;
};
struct logformat_var_args var_args_list[] = {
// global
{ "M", LOG_OPT_MANDATORY },
{ "Q", LOG_OPT_QUOTE },
{ 0, 0 }
};
/*
* callback used to configure addr source retrieval
*/
int prepare_addrsource(struct logformat_node *node, struct proxy *curproxy)
{
curproxy->options2 |= PR_O2_SRC_ADDR;
return 0;
}
/*
* Parse args in a logformat_var
*/
int parse_logformat_var_args(char *args, struct logformat_node *node)
{
int i = 0;
int end = 0;
int flags = 0; // 1 = + 2 = -
char *sp = NULL; // start pointer
if (args == NULL)
return 1;
while (1) {
if (*args == '\0')
end = 1;
if (*args == '+') {
// add flag
sp = args + 1;
flags = 1;
}
if (*args == '-') {
// delete flag
sp = args + 1;
flags = 2;
}
if (*args == '\0' || *args == ',') {
*args = '\0';
for (i = 0; var_args_list[i].name; i++) {
if (strcmp(sp, var_args_list[i].name) == 0) {
if (flags == 1) {
node->options |= var_args_list[i].mask;
break;
} else if (flags == 2) {
node->options &= ~var_args_list[i].mask;
break;
}
}
}
sp = NULL;
if (end)
break;
}
args++;
}
return 0;
}
/*
* Parse a variable '%varname' or '%{args}varname' in logformat
*
*/
int parse_logformat_var(char *str, size_t len, struct proxy *curproxy, int *defoptions)
{
int i, j;
char *arg = NULL; // arguments
int fparam = 0;
char *name = NULL;
struct logformat_node *node = NULL;
char varname[255] = { 0 }; // variable name
for (i = 1; i < len; i++) { // escape first char %
if (!arg && str[i] == '{') {
arg = str + i;
fparam = 1;
} else if (arg && str[i] == '}') {
char *tmp = arg;
arg = calloc(str + i - tmp, 1); // without {}
strncpy(arg, tmp + 1, str + i - tmp - 1); // copy without { and }
arg[str + i - tmp - 1] = '\0';
fparam = 0;
} else if (!name && !fparam) {
strncpy(varname, str + i, len - i + 1);
varname[len - i] = '\0';
for (j = 0; logformat_keywords[j].name; j++) { // search a log type
if (strcmp(varname, logformat_keywords[j].name) == 0) {
if (!((logformat_keywords[j].mode == PR_MODE_HTTP) && (curproxy->mode == PR_MODE_TCP))) {
node = calloc(1, sizeof(struct logformat_node));
node->type = logformat_keywords[j].type;
node->options = *defoptions;
node->arg = arg;
parse_logformat_var_args(node->arg, node);
if (node->type == LOG_GLOBAL) {
*defoptions = node->options;
free(node);
} else {
if (logformat_keywords[j].config_callback != NULL) {
if (logformat_keywords[j].config_callback(node, curproxy) != 0) {
return -1;
}
}
LIST_ADDQ(&curproxy->logformat, &node->list);
}
return 0;
} else {
Warning("Warning: No such variable name '%s' in this log mode\n", varname);
if (arg)
free(arg);
return -1;
}
}
}
Warning("Warning: No such variable name '%s' in logformat\n", varname);
if (arg)
free(arg);
return -1;
}
}
return -1;
}
/*
* push to the logformat linked list
*
* start: start pointer
* end: end text pointer
* type: string type
*
* LOG_TEXT: copy chars from start to end excluding end.
*
*/
void add_to_logformat_list(char *start, char *end, int type, struct proxy *curproxy)
{
char *str;
if (type == LOG_TEXT) { /* type text */
struct logformat_node *node = calloc(1, sizeof(struct logformat_node));
str = calloc(end - start + 1, 1);
strncpy(str, start, end - start);
str[end - start] = '\0';
node->arg = str;
node->type = LOG_TEXT; // type string
LIST_ADDQ(&curproxy->logformat, &node->list);
} else if (type == LOG_SEPARATOR) {
struct logformat_node *node = calloc(1, sizeof(struct logformat_node));
node->type = LOG_SEPARATOR;
LIST_ADDQ(&curproxy->logformat, &node->list);
}
}
/*
* Parse the log_format string and fill a linked list.
* Variable name are preceded by % and composed by characters [a-zA-Z0-9]* : %varname
* You can set arguments using { } : %{many arguments}varname
*/
void parse_logformat_string(char *str, struct proxy *curproxy)
{
char *sp = str; /* start pointer */
int cformat = -1; /* current token format : LOG_TEXT, LOG_SEPARATOR, LOG_VARIABLE */
int pformat = -1; /* previous token format */
struct logformat_node *tmplf, *back;
int options = 0;
/* flush the list first. */
list_for_each_entry_safe(tmplf, back, &curproxy->logformat, list) {
LIST_DEL(&tmplf->list);
free(tmplf);
}
while (1) {
// push the variable only if formats are different, not
// within a variable, and not the first iteration
if ((cformat != pformat && cformat != -1 && pformat != -1) || *str == '\0') {
if (((pformat != LF_STARTVAR && cformat != LF_VAR) &&
(pformat != LF_STARTVAR && cformat != LF_STARG) &&
(pformat != LF_STARG && cformat != LF_VAR)) || *str == '\0') {
if (pformat > LF_VAR) // unfinished string
pformat = LF_TEXT;
if (pformat == LF_VAR)
parse_logformat_var(sp, str - sp, curproxy, &options);
else
add_to_logformat_list(sp, str, pformat, curproxy);
sp = str;
if (*str == '\0')
break;
}
}
if (cformat != -1)
str++; // consume the string, except on the first tour
pformat = cformat;
if (*str == '\0') {
cformat = LF_STARTVAR; // for breaking in all cases
continue;
}
if (pformat == LF_STARTVAR) { // after a %
if ( (*str >= 'a' && *str <= 'z') || // parse varname
(*str >= 'A' && *str <= 'Z') ||
(*str >= '0' && *str <= '9')) {
cformat = LF_VAR; // varname
continue;
} else if (*str == '{') {
cformat = LF_STARG; // variable arguments
continue;
} else { // another unexpected token
pformat = LF_TEXT; // redefine the format of the previous token to TEXT
cformat = LF_TEXT;
continue;
}
} else if (pformat == LF_VAR) { // after a varname
if ( (*str >= 'a' && *str <= 'z') || // parse varname
(*str >= 'A' && *str <= 'Z') ||
(*str >= '0' && *str <= '9')) {
cformat = LF_VAR;
continue;
}
} else if (pformat == LF_STARG) { // inside variable arguments
if (*str == '}') { // end of varname
cformat = LF_EDARG;
continue;
} else { // all tokens are acceptable within { }
cformat = LF_STARG;
continue;
}
} else if (pformat == LF_EDARG) { // after arguments
if ( (*str >= 'a' && *str <= 'z') || // parse a varname
(*str >= 'A' && *str <= 'Z') ||
(*str >= '0' && *str <= '9')) {
cformat = LF_VAR;
continue;
} else { // if no varname after arguments, transform in TEXT
pformat = LF_TEXT;
cformat = LF_TEXT;
}
}
// others tokens that don't match previous conditions
if (*str == '%') {
cformat = LF_STARTVAR;
} else if (*str == ' ') {
cformat = LF_SEPARATOR;
} else {
cformat = LF_TEXT;
}
}
}
/*
* Displays the message on stderr with the date and pid. Overrides the quiet
* mode during startup.
*/
void Alert(const char *fmt, ...)
{
va_list argp;
struct tm tm;
if (!(global.mode & MODE_QUIET) || (global.mode & (MODE_VERBOSE | MODE_STARTING))) {
va_start(argp, fmt);
get_localtime(date.tv_sec, &tm);
fprintf(stderr, "[ALERT] %03d/%02d%02d%02d (%d) : ",
tm.tm_yday, tm.tm_hour, tm.tm_min, tm.tm_sec, (int)getpid());
vfprintf(stderr, fmt, argp);
fflush(stderr);
va_end(argp);
}
}
/*
* Displays the message on stderr with the date and pid.
*/
void Warning(const char *fmt, ...)
{
va_list argp;
struct tm tm;
if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
va_start(argp, fmt);
get_localtime(date.tv_sec, &tm);
fprintf(stderr, "[WARNING] %03d/%02d%02d%02d (%d) : ",
tm.tm_yday, tm.tm_hour, tm.tm_min, tm.tm_sec, (int)getpid());
vfprintf(stderr, fmt, argp);
fflush(stderr);
va_end(argp);
}
}
/*
* Displays the message on <out> only if quiet mode is not set.
*/
void qfprintf(FILE *out, const char *fmt, ...)
{
va_list argp;
if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
va_start(argp, fmt);
vfprintf(out, fmt, argp);
fflush(out);
va_end(argp);
}
}
/*
* returns log level for <lev> or -1 if not found.
*/
int get_log_level(const char *lev)
{
int level;
level = NB_LOG_LEVELS - 1;
while (level >= 0 && strcmp(log_levels[level], lev))
level--;
return level;
}
/*
* returns log facility for <fac> or -1 if not found.
*/
int get_log_facility(const char *fac)
{
int facility;
facility = NB_LOG_FACILITIES - 1;
while (facility >= 0 && strcmp(log_facilities[facility], fac))
facility--;
return facility;
}
/*
* Write a string in the log string
* Take cares of mandatory and quote options
*
* Return the adress of the \0 character, or NULL on error
*/
char *logformat_write_string(char *dst, char *src, size_t size, struct logformat_node *node)
{
char *orig = dst;
if (src == NULL || *src == '\0') {
if (node->options & LOG_OPT_QUOTE) {
if (size > 2) {
*(dst++) = '"';
*(dst++) = '"';
*dst = '\0';
node->options |= LOG_OPT_WRITTEN;
} else {
dst = NULL;
return dst;
}
} else {
if (size > 1) {
*(dst++) = '-';
*dst = '\0';
node->options |= LOG_OPT_WRITTEN;
} else { // error no space available
dst = NULL;
return dst;
}
}
} else {
if (node->options & LOG_OPT_QUOTE) {
if (size-- > 1 ) {
*(dst++) = '"';
} else {
dst = NULL;
return NULL;
}
dst += strlcpy2(dst, src, size);
size -= dst - orig + 1;
if (size > 1) {
*(dst++) = '"';
*dst = '\0';
} else {
dst = NULL;
}
} else {
dst += strlcpy2(dst, src, size);
}
}
return dst;
}
/* Re-generate the syslog header at the beginning of logline once a second and
* return the pointer to the first character after the header.
*/
static char *update_log_hdr()
{
static long tvsec;
static char *dataptr = NULL; /* backup of last end of header, NULL first time */
if (unlikely(date.tv_sec != tvsec || dataptr == NULL)) {
/* this string is rebuild only once a second */
struct tm tm;
int hdr_len;
tvsec = date.tv_sec;
get_localtime(tvsec, &tm);
hdr_len = snprintf(logline, MAX_SYSLOG_LEN,
"<<<<>%s %2d %02d:%02d:%02d %s%s[%d]: ",
monthname[tm.tm_mon],
tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec,
global.log_send_hostname ? global.log_send_hostname : "",
global.log_tag, pid);
/* WARNING: depending upon implementations, snprintf may return
* either -1 or the number of bytes that would be needed to store
* the total message. In both cases, we must adjust it.
*/
if (hdr_len < 0 || hdr_len > MAX_SYSLOG_LEN)
hdr_len = MAX_SYSLOG_LEN;
dataptr = logline + hdr_len;
}
return dataptr;
}
/*
* This function adds a header to the message and sends the syslog message
* using a printf format string. It expects an LF-terminated message.
*/
void send_log(struct proxy *p, int level, const char *format, ...)
{
va_list argp;
char *dataptr;
int data_len;
if (level < 0 || format == NULL)
return;
dataptr = update_log_hdr(); /* update log header and skip it */
data_len = dataptr - logline;
va_start(argp, format);
data_len += vsnprintf(dataptr, logline + sizeof(logline) - dataptr, format, argp);
if (data_len < 0 || data_len > MAX_SYSLOG_LEN)
data_len = MAX_SYSLOG_LEN;
va_end(argp);
__send_log(p, level, logline, data_len);
}
/*
* This function sends a syslog message.
* It doesn't care about errors nor does it report them.
* It overrides the last byte (message[size-1]) with an LF character.
*/
void __send_log(struct proxy *p, int level, char *message, size_t size)
{
static int logfdunix = -1; /* syslog to AF_UNIX socket */
static int logfdinet = -1; /* syslog to AF_INET socket */
static char *dataptr = NULL;
int fac_level;
struct list *logsrvs = NULL;
struct logsrv *tmp = NULL;
int nblogger;
char *log_ptr;
dataptr = message;
if (p == NULL) {
if (!LIST_ISEMPTY(&global.logsrvs)) {
logsrvs = &global.logsrvs;
}
} else {
if (!LIST_ISEMPTY(&p->logsrvs)) {
logsrvs = &p->logsrvs;
}
}
if (!logsrvs)
return;
message[size - 1] = '\n';
/* Lazily set up syslog sockets for protocol families of configured
* syslog servers. */
nblogger = 0;
list_for_each_entry(tmp, logsrvs, list) {
const struct logsrv *logsrv = tmp;
int proto, *plogfd;
if (logsrv->addr.ss_family == AF_UNIX) {
proto = 0;
plogfd = &logfdunix;
} else {
proto = IPPROTO_UDP;
plogfd = &logfdinet;
}
if (*plogfd >= 0) {
/* socket already created. */
continue;
}
if ((*plogfd = socket(logsrv->addr.ss_family, SOCK_DGRAM,
proto)) < 0) {
Alert("socket for logger #%d failed: %s (errno=%d)\n",
nblogger + 1, strerror(errno), errno);
return;
}
/* we don't want to receive anything on this socket */
setsockopt(*plogfd, SOL_SOCKET, SO_RCVBUF, &zero, sizeof(zero));
/* does nothing under Linux, maybe needed for others */
shutdown(*plogfd, SHUT_RD);
nblogger++;
}
/* Send log messages to syslog server. */
nblogger = 0;
list_for_each_entry(tmp, logsrvs, list) {
const struct logsrv *logsrv = tmp;
int *plogfd = logsrv->addr.ss_family == AF_UNIX ?
&logfdunix : &logfdinet;
int sent;
/* we can filter the level of the messages that are sent to each logger */
if (level > logsrv->level)
continue;
/* For each target, we may have a different facility.
* We can also have a different log level for each message.
* This induces variations in the message header length.
* Since we don't want to recompute it each time, nor copy it every
* time, we only change the facility in the pre-computed header,
* and we change the pointer to the header accordingly.
*/
fac_level = (logsrv->facility << 3) + MAX(level, logsrv->minlvl);
log_ptr = dataptr + 3; /* last digit of the log level */
do {
*log_ptr = '0' + fac_level % 10;
fac_level /= 10;
log_ptr--;
} while (fac_level && log_ptr > dataptr);
*log_ptr = '<';
sent = sendto(*plogfd, log_ptr, size + log_ptr - dataptr,
MSG_DONTWAIT | MSG_NOSIGNAL,
(struct sockaddr *)&logsrv->addr, get_addr_len(&logsrv->addr));
if (sent < 0) {
Alert("sendto logger #%d failed: %s (errno=%d)\n",
nblogger, strerror(errno), errno);
}
nblogger++;
}
}
extern fd_set hdr_encode_map[];
extern fd_set url_encode_map[];
const char sess_cookie[8] = "NIDVEO67"; /* No cookie, Invalid cookie, cookie for a Down server, Valid cookie, Expired cookie, Old cookie, unknown */
const char sess_set_cookie[8] = "NPDIRU67"; /* No set-cookie, Set-cookie found and left unchanged (passive),
Set-cookie Deleted, Set-Cookie Inserted, Set-cookie Rewritten,
Set-cookie Updated, unknown, unknown */
#define LOGCHAR(x) do { \
if (MAX_SYSLOG_LEN - (tmplog - logline) > 1) { \
*(tmplog++) = (x); \
} else { \
goto out; \
} \
} while(0)
/*
* send a log for the session when we have enough info about it.
* Will not log if the frontend has no log defined.
*/
void sess_log(struct session *s)
{
char pn[INET6_ADDRSTRLEN];
char sn[INET6_ADDRSTRLEN];
struct proxy *fe = s->fe;
struct proxy *be = s->be;
struct proxy *prx_log;
struct http_txn *txn = &s->txn;
int tolog, level, err;
char *uri;
const char *svid;
struct tm tm;
int t_request;
int hdr;
int last_isspace = 1;
char *tmplog;
struct logformat_node *tmp;
/* if we don't want to log normal traffic, return now */
err = (s->flags & (SN_ERR_MASK | SN_REDISP)) ||
(s->req->cons->conn_retries != be->conn_retries) ||
((s->fe->mode == PR_MODE_HTTP) && txn->status >= 500);
if (!err && (fe->options2 & PR_O2_NOLOGNORM))
return;
if (LIST_ISEMPTY(&fe->logsrvs))
return;
prx_log = fe;
if (addr_to_str(&s->req->prod->addr.from, pn, sizeof(pn)) == AF_UNIX)
snprintf(pn, sizeof(pn), "unix:%d", s->listener->luid);
if (be->options2 & PR_O2_SRC_ADDR) {
if (addr_to_str(&s->req->cons->addr.from, sn, sizeof(sn)) == AF_UNIX)
snprintf(sn, sizeof(sn), "unix:%d", s->listener->luid);
}
/* FIXME: let's limit ourselves to frontend logging for now. */
tolog = fe->to_log;
if (!(tolog & LW_SVID))
svid = "-";
else switch (s->target.type) {
case TARG_TYPE_SERVER:
svid = s->target.ptr.s->id;
break;
case TARG_TYPE_APPLET:
svid = s->target.ptr.a->name;
break;
default:
svid = "<NOSRV>";
break;
}
t_request = -1;
if (tv_isge(&s->logs.tv_request, &s->logs.tv_accept))
t_request = tv_ms_elapsed(&s->logs.tv_accept, &s->logs.tv_request);
level = LOG_INFO;
if (err && (fe->options2 & PR_O2_LOGERRORS))
level = LOG_ERR;
/* fill logbuffer */
tmplog = update_log_hdr(); /* update log header and skip it */
list_for_each_entry(tmp, &fe->logformat, list) {
char *src = NULL;
switch (tmp->type) {
case LOG_SEPARATOR:
if (!last_isspace) {
LOGCHAR(' ');
last_isspace = 1;
*tmplog = '\0';
}
break;
case LOG_TEXT: // text
src = tmp->arg;
tmplog += strlcpy2(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_CLIENTIP: // %Ci
src = (s->req->prod->addr.from.ss_family == AF_UNIX) ? "unix" : pn;
tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp);
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_CLIENTPORT: // %Cp
tmplog = ltoa_o((s->req->prod->addr.from.ss_family == AF_UNIX) ? s->listener->luid : get_host_port(&s->req->prod->addr.from),
tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_SOURCEIP: // Bi
src = (s->req->cons->addr.from.ss_family == AF_UNIX) ? "unix" : sn;
tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp);
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_SOURCEPORT: // %Bp
tmplog = ltoa_o((s->req->cons->addr.from.ss_family == AF_UNIX) ? s->listener->luid : get_host_port(&s->req->cons->addr.from),
tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_DATE: // %t
get_localtime(s->logs.accept_date.tv_sec, &tm);
tmplog = date2str_log(tmplog, &tm, &(s->logs.accept_date), MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_DATEGMT: // %T
get_gmtime(s->logs.accept_date.tv_sec, &tm);
tmplog = gmt2str_log(tmplog, &tm, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_MS: // %ms
if ((MAX_SYSLOG_LEN - (tmplog - logline)) < 4) {
tmplog = NULL;
goto out;
}
tmplog = utoa_pad((unsigned int)s->logs.accept_date.tv_usec/1000,
tmplog, 4);
last_isspace = 0;
break;
case LOG_FRONTEND: // %f
src = fe->id;
tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp);
if (!tmplog)
goto out;
last_isspace = 0 ;
break;
case LOG_BACKEND: // %b
src = be->id;
tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp);
if (!tmplog)
goto out;
last_isspace = 0 ;
break;
case LOG_SERVER: // %s
src = (char *)svid;
tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp);
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_TQ: // %Tq
tmplog = ltoa_o(t_request, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_TW: // %Tw
tmplog = ltoa_o((s->logs.t_queue >= 0) ? s->logs.t_queue - t_request : -1, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_TC: // %Tc
tmplog = ltoa_o((s->logs.t_connect >= 0) ? s->logs.t_connect - s->logs.t_queue : -1, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_TR: // %Tr
tmplog = ltoa_o((s->logs.t_data >= 0) ? s->logs.t_data - s->logs.t_connect : -1, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_TT: // %Tt
if (!(tolog & LW_BYTES))
*(tmplog++) = '+';
tmplog = ltoa_o(s->logs.t_close, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_STATUS: // %st
tmplog = ultoa_o(txn->status, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_BYTES: // %B
if (!(tolog & LW_BYTES))
*(tmplog++) = '+';
tmplog = lltoa(s->logs.bytes_out, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_CCLIENT: // %cc
src = txn->cli_cookie;
tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp);
last_isspace = 0;
break;
case LOG_CSERVER: // %cs
src = txn->srv_cookie;
tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp);
last_isspace = 0;
break;
case LOG_TERMSTATE: // %ts
LOGCHAR(sess_term_cond[(s->flags & SN_ERR_MASK) >> SN_ERR_SHIFT]);
LOGCHAR(sess_fin_state[(s->flags & SN_FINST_MASK) >> SN_FINST_SHIFT]);
*tmplog = '\0';
last_isspace = 0;
break;
case LOG_TERMSTATE_CK: // %tsc, same as TS with cookie state (for mode HTTP)
LOGCHAR(sess_term_cond[(s->flags & SN_ERR_MASK) >> SN_ERR_SHIFT]);
LOGCHAR(sess_fin_state[(s->flags & SN_FINST_MASK) >> SN_FINST_SHIFT]);
LOGCHAR((be->options & PR_O_COOK_ANY) ? sess_cookie[(txn->flags & TX_CK_MASK) >> TX_CK_SHIFT] : '-');
LOGCHAR((be->options & PR_O_COOK_ANY) ? sess_set_cookie[(txn->flags & TX_SCK_MASK) >> TX_SCK_SHIFT] : '-');
*tmplog = '\0';
last_isspace = 0;
break;
case LOG_ACTCONN: // %ac
tmplog = ltoa_o(actconn, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_FECONN: // %fc
tmplog = ltoa_o(fe->feconn, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_BECONN: // %bc
tmplog = ltoa_o(be->beconn, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_SRVCONN: // %sc
tmplog = ultoa_o(target_srv(&s->target) ? target_srv(&s->target)->cur_sess : 0, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_RETRIES: // %rq
if (s->flags & SN_REDISP)
*(tmplog++) = '+';
tmplog = ltoa_o((s->req->cons->conn_retries>0)?(be->conn_retries - s->req->cons->conn_retries):be->conn_retries, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
last_isspace = 0;
break;
case LOG_SRVQUEUE: // %sq
tmplog = ltoa_o(s->logs.srv_queue_size, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_BCKQUEUE: // %bq
tmplog = ltoa_o(s->logs.prx_queue_size, tmplog, MAX_SYSLOG_LEN - (tmplog - logline));
if (!tmplog)
goto out;
last_isspace = 0;
break;
case LOG_HDRREQUEST: // %hr
/* request header */
if (fe->to_log & LW_REQHDR && txn->req.cap) {
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
LOGCHAR('{');
for (hdr = 0; hdr < fe->nb_req_cap; hdr++) {
if (hdr)
LOGCHAR('|');
if (txn->req.cap[hdr] != NULL)
tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN,
'#', hdr_encode_map, txn->req.cap[hdr]);
}
LOGCHAR('}');
last_isspace = 0;
}
*tmplog = '\0';
break;
case LOG_HDRREQUESTLIST: // %hrl
/* request header list */
if (fe->to_log & LW_REQHDR && txn->req.cap) {
for (hdr = 0; hdr < fe->nb_req_cap; hdr++) {
if (hdr > 0)
LOGCHAR(' ');
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
if (txn->req.cap[hdr] != NULL) {
tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN,
'#', hdr_encode_map, txn->req.cap[hdr]);
} else if (!(tmp->options & LOG_OPT_QUOTE))
LOGCHAR('-');
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
*tmplog = '\0';
last_isspace = 0;
}
}
break;
case LOG_HDRRESPONS: // %hs
/* response header */
if (fe->to_log & LW_RSPHDR &&
txn->rsp.cap) {
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
LOGCHAR('{');
for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) {
if (hdr)
LOGCHAR('|');
if (txn->rsp.cap[hdr] != NULL)
tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN,
'#', hdr_encode_map, txn->rsp.cap[hdr]);
}
LOGCHAR('}');
last_isspace = 0;
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
}
*tmplog = '\0';
break;
case LOG_HDRRESPONSLIST: // %hsl
/* response header list */
if (fe->to_log & LW_RSPHDR && txn->rsp.cap) {
for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) {
if (hdr > 0)
LOGCHAR(' ');
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
if (txn->rsp.cap[hdr] != NULL) {
tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN,
'#', hdr_encode_map, txn->rsp.cap[hdr]);
} else if (!(tmp->options & LOG_OPT_QUOTE))
LOGCHAR('-');
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
*tmplog = '\0';
last_isspace = 0;
}
}
break;
case LOG_REQ: // %r
/* Request */
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
uri = txn->uri ? txn->uri : "<BADREQ>";
tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN,
'#', url_encode_map, uri);
if (tmp->options & LOG_OPT_QUOTE)
LOGCHAR('"');
*tmplog = '\0';
last_isspace = 0;
break;
}
}
out:
if (tmplog == NULL) // if previous error
tmplog = logline + MAX_SYSLOG_LEN - 1;
__send_log(prx_log, level, logline, tmplog - logline + 1);
s->logs.logwait = 0;
}
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*/
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