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git01.mediatek.com / haproxy / 85270da1d9b5cbdace5bb6a3c656c4dbf5016883 / . / src / cfgparse.c
blob: 38d894a7ddcc5cc6a689f2f1461a8113c6a8943b [file] [log] [blame]
/*
* Configuration parser
*
* Copyright 2000-2006 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <netdb.h>
#include <ctype.h>
#include <common/cfgparse.h>
#include <common/config.h>
#include <common/memory.h>
#include <common/standard.h>
#include <common/time.h>
#include <common/uri_auth.h>
#include <types/capture.h>
#include <types/global.h>
#include <types/httperr.h>
#include <types/polling.h>
#include <types/proxy.h>
#include <types/queue.h>
#include <proto/backend.h>
#include <proto/buffers.h>
#include <proto/checks.h>
#include <proto/httperr.h>
#include <proto/log.h>
#include <proto/proxy.h>
#include <proto/server.h>
#include <proto/task.h>
/* This is the SSLv3 CLIENT HELLO packet used in conjunction with the
* ssl-hello-chk option to ensure that the remote server speaks SSL.
*
* Check RFC 2246 (TLSv1.0) sections A.3 and A.4 for details.
*/
const char sslv3_client_hello_pkt[] = {
"\x16" /* ContentType : 0x16 = Hanshake */
"\x03\x00" /* ProtocolVersion : 0x0300 = SSLv3 */
"\x00\x79" /* ContentLength : 0x79 bytes after this one */
"\x01" /* HanshakeType : 0x01 = CLIENT HELLO */
"\x00\x00\x75" /* HandshakeLength : 0x75 bytes after this one */
"\x03\x00" /* Hello Version : 0x0300 = v3 */
"\x00\x00\x00\x00" /* Unix GMT Time (s) : filled with <now> (@0x0B) */
"HAPROXYSSLCHK\nHAPROXYSSLCHK\n" /* Random : must be exactly 28 bytes */
"\x00" /* Session ID length : empty (no session ID) */
"\x00\x4E" /* Cipher Suite Length : 78 bytes after this one */
"\x00\x01" "\x00\x02" "\x00\x03" "\x00\x04" /* 39 most common ciphers : */
"\x00\x05" "\x00\x06" "\x00\x07" "\x00\x08" /* 0x01...0x1B, 0x2F...0x3A */
"\x00\x09" "\x00\x0A" "\x00\x0B" "\x00\x0C" /* This covers RSA/DH, */
"\x00\x0D" "\x00\x0E" "\x00\x0F" "\x00\x10" /* various bit lengths, */
"\x00\x11" "\x00\x12" "\x00\x13" "\x00\x14" /* SHA1/MD5, DES/3DES/AES... */
"\x00\x15" "\x00\x16" "\x00\x17" "\x00\x18"
"\x00\x19" "\x00\x1A" "\x00\x1B" "\x00\x2F"
"\x00\x30" "\x00\x31" "\x00\x32" "\x00\x33"
"\x00\x34" "\x00\x35" "\x00\x36" "\x00\x37"
"\x00\x38" "\x00\x39" "\x00\x3A"
"\x01" /* Compression Length : 0x01 = 1 byte for types */
"\x00" /* Compression Type : 0x00 = NULL compression */
};
/* some of the most common options which are also the easiest to handle */
static const struct {
const char *name;
unsigned int val;
unsigned int cap;
} cfg_opts[] =
{
#ifdef TPROXY
{ "transparent", PR_O_TRANSP, PR_CAP_FE },
#endif
{ "redispatch", PR_O_REDISP, PR_CAP_BE },
{ "keepalive", PR_O_KEEPALIVE, PR_CAP_NONE },
{ "forwardfor", PR_O_FWDFOR, PR_CAP_FE | PR_CAP_BE },
{ "httpclose", PR_O_HTTP_CLOSE, PR_CAP_FE | PR_CAP_BE },
{ "logasap", PR_O_LOGASAP, PR_CAP_FE },
{ "abortonclose", PR_O_ABRT_CLOSE, PR_CAP_BE },
{ "checkcache", PR_O_CHK_CACHE, PR_CAP_BE },
{ "dontlognull", PR_O_NULLNOLOG, PR_CAP_FE },
{ "clitcpka", PR_O_TCP_CLI_KA, PR_CAP_FE },
{ "srvtcpka", PR_O_TCP_SRV_KA, PR_CAP_BE },
{ "allbackups", PR_O_USE_ALL_BK, PR_CAP_BE },
{ "persist", PR_O_PERSIST, PR_CAP_BE },
{ "forceclose", PR_O_FORCE_CLO | PR_O_HTTP_CLOSE, PR_CAP_BE },
{ NULL, 0, 0 }
};
static struct proxy defproxy; /* fake proxy used to assign default values on all instances */
int cfg_maxpconn = DEFAULT_MAXCONN; /* # of simultaneous connections per proxy (-N) */
int cfg_maxconn = 0; /* # of simultaneous connections, (-n) */
/*
* converts <str> to a list of listeners which are dynamically allocated.
* The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
* - <addr> can be empty or "*" to indicate INADDR_ANY ;
* - <port> is a numerical port from 1 to 65535 ;
* - <end> indicates to use the range from <port> to <end> instead (inclusive).
* This can be repeated as many times as necessary, separated by a coma.
* The <tail> argument is a pointer to a current list which should be appended
* to the tail of the new list. The pointer to the new list is returned.
*/
static struct listener *str2listener(char *str, struct listener *tail)
{
struct listener *l;
char *c, *next, *range, *dupstr;
int port, end;
next = dupstr = strdup(str);
while (next && *next) {
struct sockaddr_storage ss;
str = next;
/* 1) look for the end of the first address */
if ((next = strrchr(str, ',')) != NULL) {
*next++ = 0;
}
/* 2) look for the addr/port delimiter, it's the last colon. */
if ((range = strrchr(str, ':')) == NULL) {
Alert("Missing port number: '%s'\n", str);
goto fail;
}
*range++ = 0;
if (strrchr(str, ':') != NULL) {
/* IPv6 address contains ':' */
memset(&ss, 0, sizeof(ss));
ss.ss_family = AF_INET6;
if (!inet_pton(ss.ss_family, str, &((struct sockaddr_in6 *)&ss)->sin6_addr)) {
Alert("Invalid server address: '%s'\n", str);
goto fail;
}
}
else {
memset(&ss, 0, sizeof(ss));
ss.ss_family = AF_INET;
if (*str == '*' || *str == '\0') { /* INADDR_ANY */
((struct sockaddr_in *)&ss)->sin_addr.s_addr = INADDR_ANY;
}
else if (!inet_pton(ss.ss_family, str, &((struct sockaddr_in *)&ss)->sin_addr)) {
struct hostent *he;
if ((he = gethostbyname(str)) == NULL) {
Alert("Invalid server name: '%s'\n", str);
goto fail;
}
else
((struct sockaddr_in *)&ss)->sin_addr =
*(struct in_addr *) *(he->h_addr_list);
}
}
/* 3) look for the port-end delimiter */
if ((c = strchr(range, '-')) != NULL) {
*c++ = 0;
end = atol(c);
}
else {
end = atol(range);
}
port = atol(range);
if (port < 1 || port > 65535) {
Alert("Invalid port '%d' specified for address '%s'.\n", port, str);
goto fail;
}
if (end < 1 || end > 65535) {
Alert("Invalid port '%d' specified for address '%s'.\n", end, str);
goto fail;
}
for (; port <= end; port++) {
l = (struct listener *)calloc(1, sizeof(struct listener));
l->next = tail;
tail = l;
l->fd = -1;
l->addr = ss;
if (ss.ss_family == AF_INET6)
((struct sockaddr_in6 *)(&l->addr))->sin6_port = htons(port);
else
((struct sockaddr_in *)(&l->addr))->sin_port = htons(port);
} /* end for(port) */
} /* end while(next) */
free(dupstr);
return tail;
fail:
free(dupstr);
return NULL;
}
/*
* Sends a warning if proxy <proxy> does not have at least one of the
* capabilities in <cap>. An optionnal <hint> may be added at the end
* of the warning to help the user. Returns 1 if a warning was emitted
* or 0 if the condition is valid.
*/
int warnifnotcap(struct proxy *proxy, int cap, const char *file, int line, char *arg, char *hint)
{
char *msg;
switch (cap) {
case PR_CAP_BE: msg = "no backend"; break;
case PR_CAP_FE: msg = "no frontend"; break;
case PR_CAP_RS: msg = "no ruleset"; break;
case PR_CAP_BE|PR_CAP_FE: msg = "neither frontend nor backend"; break;
default: msg = "not enough"; break;
}
if (!(proxy->cap & cap)) {
Warning("parsing [%s:%d] : '%s' ignored because %s '%s' has %s capability.%s\n",
file, line, arg, proxy_type_str(proxy), proxy->id, msg, hint ? hint : "");
return 1;
}
return 0;
}
/*
* parse a line in a <global> section. Returns 0 if OK, -1 if error.
*/
int cfg_parse_global(const char *file, int linenum, char **args)
{
if (!strcmp(args[0], "global")) { /* new section */
/* no option, nothing special to do */
return 0;
}
else if (!strcmp(args[0], "daemon")) {
global.mode |= MODE_DAEMON;
}
else if (!strcmp(args[0], "debug")) {
global.mode |= MODE_DEBUG;
}
else if (!strcmp(args[0], "noepoll")) {
cfg_polling_mechanism &= ~POLL_USE_EPOLL;
}
else if (!strcmp(args[0], "nopoll")) {
cfg_polling_mechanism &= ~POLL_USE_POLL;
}
else if (!strcmp(args[0], "quiet")) {
global.mode |= MODE_QUIET;
}
else if (!strcmp(args[0], "stats")) {
global.mode |= MODE_STATS;
}
else if (!strcmp(args[0], "uid")) {
if (global.uid != 0) {
Alert("parsing [%s:%d] : '%s' already specified. Continuing.\n", file, linenum, args[0]);
return 0;
}
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
return -1;
}
global.uid = atol(args[1]);
}
else if (!strcmp(args[0], "gid")) {
if (global.gid != 0) {
Alert("parsing [%s:%d] : '%s' already specified. Continuing.\n", file, linenum, args[0]);
return 0;
}
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
return -1;
}
global.gid = atol(args[1]);
}
else if (!strcmp(args[0], "nbproc")) {
if (global.nbproc != 0) {
Alert("parsing [%s:%d] : '%s' already specified. Continuing.\n", file, linenum, args[0]);
return 0;
}
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
return -1;
}
global.nbproc = atol(args[1]);
}
else if (!strcmp(args[0], "maxconn")) {
if (global.maxconn != 0) {
Alert("parsing [%s:%d] : '%s' already specified. Continuing.\n", file, linenum, args[0]);
return 0;
}
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
return -1;
}
global.maxconn = atol(args[1]);
#ifdef SYSTEM_MAXCONN
if (global.maxconn > DEFAULT_MAXCONN && cfg_maxconn <= DEFAULT_MAXCONN) {
Alert("parsing [%s:%d] : maxconn value %d too high for this system.\nLimiting to %d. Please use '-n' to force the value.\n", file, linenum, global.maxconn, DEFAULT_MAXCONN);
global.maxconn = DEFAULT_MAXCONN;
}
#endif /* SYSTEM_MAXCONN */
}
else if (!strcmp(args[0], "ulimit-n")) {
if (global.rlimit_nofile != 0) {
Alert("parsing [%s:%d] : '%s' already specified. Continuing.\n", file, linenum, args[0]);
return 0;
}
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
return -1;
}
global.rlimit_nofile = atol(args[1]);
}
else if (!strcmp(args[0], "chroot")) {
if (global.chroot != NULL) {
Alert("parsing [%s:%d] : '%s' already specified. Continuing.\n", file, linenum, args[0]);
return 0;
}
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects a directory as an argument.\n", file, linenum, args[0]);
return -1;
}
global.chroot = strdup(args[1]);
}
else if (!strcmp(args[0], "pidfile")) {
if (global.pidfile != NULL) {
Alert("parsing [%s:%d] : '%s' already specified. Continuing.\n", file, linenum, args[0]);
return 0;
}
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects a file name as an argument.\n", file, linenum, args[0]);
return -1;
}
global.pidfile = strdup(args[1]);
}
else if (!strcmp(args[0], "log")) { /* syslog server address */
struct sockaddr_in *sa;
int facility, level;
if (*(args[1]) == 0 || *(args[2]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <address> and <facility> as arguments.\n", file, linenum, args[0]);
return -1;
}
facility = get_log_facility(args[2]);
if (facility < 0) {
Alert("parsing [%s:%d] : unknown log facility '%s'\n", file, linenum, args[2]);
exit(1);
}
level = 7; /* max syslog level = debug */
if (*(args[3])) {
level = get_log_level(args[3]);
if (level < 0) {
Alert("parsing [%s:%d] : unknown optional log level '%s'\n", file, linenum, args[3]);
exit(1);
}
}
sa = str2sa(args[1]);
if (!sa->sin_port)
sa->sin_port = htons(SYSLOG_PORT);
if (global.logfac1 == -1) {
global.logsrv1 = *sa;
global.logfac1 = facility;
global.loglev1 = level;
}
else if (global.logfac2 == -1) {
global.logsrv2 = *sa;
global.logfac2 = facility;
global.loglev2 = level;
}
else {
Alert("parsing [%s:%d] : too many syslog servers\n", file, linenum);
return -1;
}
}
else {
Alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], "global");
return -1;
}
return 0;
}
static void init_default_instance()
{
memset(&defproxy, 0, sizeof(defproxy));
defproxy.mode = PR_MODE_TCP;
defproxy.state = PR_STNEW;
defproxy.maxconn = cfg_maxpconn;
defproxy.conn_retries = CONN_RETRIES;
defproxy.logfac1 = defproxy.logfac2 = -1; /* log disabled */
}
/*
* Parse a line in a <listen>, <frontend>, <backend> or <ruleset> section.
* Returns 0 if OK, -1 if error.
*/
int cfg_parse_listen(const char *file, int linenum, char **args)
{
static struct proxy *curproxy = NULL;
struct server *newsrv = NULL;
const char *err;
int rc;
if (!strcmp(args[0], "listen"))
rc = PR_CAP_LISTEN;
else if (!strcmp(args[0], "frontend"))
rc = PR_CAP_FE | PR_CAP_RS;
else if (!strcmp(args[0], "backend"))
rc = PR_CAP_BE | PR_CAP_RS;
else if (!strcmp(args[0], "ruleset"))
rc = PR_CAP_RS;
else
rc = PR_CAP_NONE;
if (rc != PR_CAP_NONE) { /* new proxy */
if (!*args[1]) {
Alert("parsing [%s:%d] : '%s' expects an <id> argument and\n"
" optionnally supports [addr1]:port1[-end1]{,[addr]:port[-end]}...\n",
file, linenum, args[0]);
return -1;
}
if ((curproxy = (struct proxy *)calloc(1, sizeof(struct proxy))) == NULL) {
Alert("parsing [%s:%d] : out of memory.\n", file, linenum);
return -1;
}
curproxy->next = proxy;
proxy = curproxy;
LIST_INIT(&curproxy->pendconns);
curproxy->id = strdup(args[1]);
curproxy->cap = rc;
/* parse the listener address if any */
if ((curproxy->cap & PR_CAP_FE) && *args[2]) {
curproxy->listen = str2listener(args[2], curproxy->listen);
if (!curproxy->listen)
return -1;
global.maxsock++;
}
/* set default values */
curproxy->state = defproxy.state;
curproxy->options = defproxy.options;
if (curproxy->cap & PR_CAP_FE) {
curproxy->maxconn = defproxy.maxconn;
/* initialize error relocations */
for (rc = 0; rc < HTTP_ERR_SIZE; rc++) {
if (defproxy.errmsg[rc].str)
chunk_dup(&curproxy->errmsg[rc], &defproxy.errmsg[rc]);
}
curproxy->to_log = defproxy.to_log & ~LW_COOKIE & ~LW_REQHDR & ~ LW_RSPHDR;
}
if (curproxy->cap & PR_CAP_BE) {
curproxy->fullconn = defproxy.fullconn;
curproxy->conn_retries = defproxy.conn_retries;
if (defproxy.check_req)
curproxy->check_req = strdup(defproxy.check_req);
curproxy->check_len = defproxy.check_len;
if (defproxy.cookie_name)
curproxy->cookie_name = strdup(defproxy.cookie_name);
curproxy->cookie_len = defproxy.cookie_len;
}
if (curproxy->cap & PR_CAP_RS) {
if (defproxy.capture_name)
curproxy->capture_name = strdup(defproxy.capture_name);
curproxy->capture_namelen = defproxy.capture_namelen;
curproxy->capture_len = defproxy.capture_len;
}
if (curproxy->cap & PR_CAP_FE) {
curproxy->clitimeout = defproxy.clitimeout;
curproxy->uri_auth = defproxy.uri_auth;
curproxy->mon_net = defproxy.mon_net;
curproxy->mon_mask = defproxy.mon_mask;
if (defproxy.monitor_uri)
curproxy->monitor_uri = strdup(defproxy.monitor_uri);
curproxy->monitor_uri_len = defproxy.monitor_uri_len;
if (defproxy.defbe.name)
curproxy->defbe.name = strdup(defproxy.defbe.name);
}
if (curproxy->cap & PR_CAP_BE) {
curproxy->contimeout = defproxy.contimeout;
curproxy->srvtimeout = defproxy.srvtimeout;
curproxy->source_addr = defproxy.source_addr;
}
curproxy->mode = defproxy.mode;
curproxy->logfac1 = defproxy.logfac1;
curproxy->logsrv1 = defproxy.logsrv1;
curproxy->loglev1 = defproxy.loglev1;
curproxy->logfac2 = defproxy.logfac2;
curproxy->logsrv2 = defproxy.logsrv2;
curproxy->loglev2 = defproxy.loglev2;
curproxy->grace = defproxy.grace;
return 0;
}
else if (!strcmp(args[0], "defaults")) { /* use this one to assign default values */
/* some variables may have already been initialized earlier */
/* FIXME-20070101: we should do this too at the end of the
* config parsing to free all default values.
*/
if (defproxy.check_req) free(defproxy.check_req);
if (defproxy.cookie_name) free(defproxy.cookie_name);
if (defproxy.capture_name) free(defproxy.capture_name);
if (defproxy.monitor_uri) free(defproxy.monitor_uri);
if (defproxy.defbe.name) free(defproxy.defbe.name);
for (rc = 0; rc < HTTP_ERR_SIZE; rc++) {
if (defproxy.errmsg[rc].len)
free(defproxy.errmsg[rc].str);
}
/* we cannot free uri_auth because it might already be used */
init_default_instance();
curproxy = &defproxy;
defproxy.cap = PR_CAP_LISTEN; /* all caps for now */
return 0;
}
else if (curproxy == NULL) {
Alert("parsing [%s:%d] : 'listen' or 'defaults' expected.\n", file, linenum);
return -1;
}
/* Now let's parse the proxy-specific keywords */
if (!strcmp(args[0], "bind")) { /* new listen addresses */
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], NULL))
return 0;
if (strchr(args[1], ':') == NULL) {
Alert("parsing [%s:%d] : '%s' expects [addr1]:port1[-end1]{,[addr]:port[-end]}... as arguments.\n",
file, linenum, args[0]);
return -1;
}
curproxy->listen = str2listener(args[1], curproxy->listen);
if (!curproxy->listen)
return -1;
global.maxsock++;
return 0;
}
else if (!strcmp(args[0], "monitor-net")) { /* set the range of IPs to ignore */
if (!*args[1] || !str2net(args[1], &curproxy->mon_net, &curproxy->mon_mask)) {
Alert("parsing [%s:%d] : '%s' expects address[/mask].\n",
file, linenum, args[0]);
return -1;
}
if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], NULL))
return 0;
/* flush useless bits */
curproxy->mon_net.s_addr &= curproxy->mon_mask.s_addr;
return 0;
}
else if (!strcmp(args[0], "monitor-uri")) { /* set the URI to intercept */
if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], NULL))
return 0;
if (!*args[1]) {
Alert("parsing [%s:%d] : '%s' expects an URI.\n",
file, linenum, args[0]);
return -1;
}
if (curproxy->monitor_uri != NULL)
free(curproxy->monitor_uri);
curproxy->monitor_uri_len = strlen(args[1]) + 2; /* include leading and trailing spaces */
curproxy->monitor_uri = (char *)calloc(1, curproxy->monitor_uri_len + 1);
memcpy(curproxy->monitor_uri + 1, args[1], curproxy->monitor_uri_len - 2);
curproxy->monitor_uri[curproxy->monitor_uri_len-1] = curproxy->monitor_uri[0] = ' ';
curproxy->monitor_uri[curproxy->monitor_uri_len] = '\0';
return 0;
}
else if (!strcmp(args[0], "mode")) { /* sets the proxy mode */
if (!strcmp(args[1], "http")) curproxy->mode = PR_MODE_HTTP;
else if (!strcmp(args[1], "tcp")) curproxy->mode = PR_MODE_TCP;
else if (!strcmp(args[1], "health")) curproxy->mode = PR_MODE_HEALTH;
else {
Alert("parsing [%s:%d] : unknown proxy mode '%s'.\n", file, linenum, args[1]);
return -1;
}
}
else if (!strcmp(args[0], "disabled")) { /* disables this proxy */
curproxy->state = PR_STSTOPPED;
}
else if (!strcmp(args[0], "enabled")) { /* enables this proxy (used to revert a disabled default) */
curproxy->state = PR_STNEW;
}
else if (!strcmp(args[0], "cookie")) { /* cookie name */
int cur_arg;
// if (curproxy == &defproxy) {
// Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
// return -1;
// }
if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
return 0;
if (curproxy->cookie_name != NULL) {
// Alert("parsing [%s:%d] : cookie name already specified. Continuing.\n",
// file, linenum);
// return 0;
free(curproxy->cookie_name);
}
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <cookie_name> as argument.\n",
file, linenum, args[0]);
return -1;
}
curproxy->cookie_name = strdup(args[1]);
curproxy->cookie_len = strlen(curproxy->cookie_name);
cur_arg = 2;
while (*(args[cur_arg])) {
if (!strcmp(args[cur_arg], "rewrite")) {
curproxy->options |= PR_O_COOK_RW;
}
else if (!strcmp(args[cur_arg], "indirect")) {
curproxy->options |= PR_O_COOK_IND;
}
else if (!strcmp(args[cur_arg], "insert")) {
curproxy->options |= PR_O_COOK_INS;
}
else if (!strcmp(args[cur_arg], "nocache")) {
curproxy->options |= PR_O_COOK_NOC;
}
else if (!strcmp(args[cur_arg], "postonly")) {
curproxy->options |= PR_O_COOK_POST;
}
else if (!strcmp(args[cur_arg], "prefix")) {
curproxy->options |= PR_O_COOK_PFX;
}
else {
Alert("parsing [%s:%d] : '%s' supports 'rewrite', 'insert', 'prefix', 'indirect', 'nocache' and 'postonly' options.\n",
file, linenum, args[0]);
return -1;
}
cur_arg++;
}
if (!POWEROF2(curproxy->options & (PR_O_COOK_RW|PR_O_COOK_IND))) {
Alert("parsing [%s:%d] : cookie 'rewrite' and 'indirect' modes are incompatible.\n",
file, linenum);
return -1;
}
if (!POWEROF2(curproxy->options & (PR_O_COOK_RW|PR_O_COOK_INS|PR_O_COOK_PFX))) {
Alert("parsing [%s:%d] : cookie 'rewrite', 'insert' and 'prefix' modes are incompatible.\n",
file, linenum);
return -1;
}
}/* end else if (!strcmp(args[0], "cookie")) */
else if (!strcmp(args[0], "appsession")) { /* cookie name */
// if (curproxy == &defproxy) {
// Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
// return -1;
// }
if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
return 0;
if (curproxy->appsession_name != NULL) {
// Alert("parsing [%s:%d] : cookie name already specified. Continuing.\n",
// file, linenum);
// return 0;
free(curproxy->appsession_name);
}
if (*(args[5]) == 0) {
Alert("parsing [%s:%d] : '%s' expects 'appsession' <cookie_name> 'len' <len> 'timeout' <timeout>.\n",
file, linenum, args[0]);
return -1;
}
have_appsession = 1;
curproxy->appsession_name = strdup(args[1]);
curproxy->appsession_name_len = strlen(curproxy->appsession_name);
curproxy->appsession_len = atoi(args[3]);
curproxy->appsession_timeout = atoi(args[5]);
rc = chtbl_init(&(curproxy->htbl_proxy), TBLSIZ, hashpjw, match_str, destroy);
if (rc) {
Alert("Error Init Appsession Hashtable.\n");
return -1;
}
} /* Url App Session */
else if (!strcmp(args[0], "capture")) {
if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (!strcmp(args[1], "cookie")) { /* name of a cookie to capture */
// if (curproxy == &defproxy) {
// Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
// return -1;
// }
if (curproxy->capture_name != NULL) {
// Alert("parsing [%s:%d] : '%s' already specified. Continuing.\n",
// file, linenum, args[0]);
// return 0;
free(curproxy->capture_name);
}
if (*(args[4]) == 0) {
Alert("parsing [%s:%d] : '%s' expects 'cookie' <cookie_name> 'len' <len>.\n",
file, linenum, args[0]);
return -1;
}
curproxy->capture_name = strdup(args[2]);
curproxy->capture_namelen = strlen(curproxy->capture_name);
curproxy->capture_len = atol(args[4]);
if (curproxy->capture_len >= CAPTURE_LEN) {
Warning("parsing [%s:%d] : truncating capture length to %d bytes.\n",
file, linenum, CAPTURE_LEN - 1);
curproxy->capture_len = CAPTURE_LEN - 1;
}
curproxy->to_log |= LW_COOKIE;
}
else if (!strcmp(args[1], "request") && !strcmp(args[2], "header")) {
struct cap_hdr *hdr;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s %s' not allowed in 'defaults' section.\n", file, linenum, args[0], args[1]);
return -1;
}
if (*(args[3]) == 0 || strcmp(args[4], "len") != 0 || *(args[5]) == 0) {
Alert("parsing [%s:%d] : '%s %s' expects 'header' <header_name> 'len' <len>.\n",
file, linenum, args[0], args[1]);
return -1;
}
hdr = calloc(sizeof(struct cap_hdr), 1);
hdr->next = curproxy->req_cap;
hdr->name = strdup(args[3]);
hdr->namelen = strlen(args[3]);
hdr->len = atol(args[5]);
hdr->index = curproxy->nb_req_cap++;
curproxy->req_cap = hdr;
curproxy->to_log |= LW_REQHDR;
}
else if (!strcmp(args[1], "response") && !strcmp(args[2], "header")) {
struct cap_hdr *hdr;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s %s' not allowed in 'defaults' section.\n", file, linenum, args[0], args[1]);
return -1;
}
if (*(args[3]) == 0 || strcmp(args[4], "len") != 0 || *(args[5]) == 0) {
Alert("parsing [%s:%d] : '%s %s' expects 'header' <header_name> 'len' <len>.\n",
file, linenum, args[0], args[1]);
return -1;
}
hdr = calloc(sizeof(struct cap_hdr), 1);
hdr->next = curproxy->rsp_cap;
hdr->name = strdup(args[3]);
hdr->namelen = strlen(args[3]);
hdr->len = atol(args[5]);
hdr->index = curproxy->nb_rsp_cap++;
curproxy->rsp_cap = hdr;
curproxy->to_log |= LW_RSPHDR;
}
else {
Alert("parsing [%s:%d] : '%s' expects 'cookie' or 'request header' or 'response header'.\n",
file, linenum, args[0]);
return -1;
}
}
else if (!strcmp(args[0], "contimeout")) { /* connect timeout */
if (curproxy->contimeout != defproxy.contimeout) {
Alert("parsing [%s:%d] : '%s' already specified. Continuing.\n", file, linenum, args[0]);
return 0;
}
else if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects an integer <time_in_ms> as argument.\n",
file, linenum, args[0]);
return -1;
}
curproxy->contimeout = atol(args[1]);
}
else if (!strcmp(args[0], "clitimeout")) { /* client timeout */
if (curproxy->clitimeout != defproxy.clitimeout) {
Alert("parsing [%s:%d] : '%s' already specified. Continuing.\n",
file, linenum, args[0]);
return 0;
}
else if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects an integer <time_in_ms> as argument.\n",
file, linenum, args[0]);
return -1;
}
curproxy->clitimeout = atol(args[1]);
}
else if (!strcmp(args[0], "srvtimeout")) { /* server timeout */
if (curproxy->srvtimeout != defproxy.srvtimeout) {
Alert("parsing [%s:%d] : '%s' already specified. Continuing.\n", file, linenum, args[0]);
return 0;
}
else if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects an integer <time_in_ms> as argument.\n",
file, linenum, args[0]);
return -1;
}
curproxy->srvtimeout = atol(args[1]);
}
else if (!strcmp(args[0], "retries")) { /* connection retries */
if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects an integer argument (dispatch counts for one).\n",
file, linenum, args[0]);
return -1;
}
curproxy->conn_retries = atol(args[1]);
}
else if (!strcmp(args[0], "stats")) {
if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
return 0;
if (curproxy != &defproxy && curproxy->uri_auth == defproxy.uri_auth)
curproxy->uri_auth = NULL; /* we must detach from the default config */
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects 'uri', 'realm', 'auth', 'scope' or 'enable'.\n", file, linenum, args[0]);
return -1;
} else if (!strcmp(args[1], "uri")) {
if (*(args[2]) == 0) {
Alert("parsing [%s:%d] : 'uri' needs an URI prefix.\n", file, linenum);
return -1;
} else if (!stats_set_uri(&curproxy->uri_auth, args[2])) {
Alert("parsing [%s:%d] : out of memory.\n", file, linenum);
return -1;
}
} else if (!strcmp(args[1], "realm")) {
if (*(args[2]) == 0) {
Alert("parsing [%s:%d] : 'realm' needs an realm name.\n", file, linenum);
return -1;
} else if (!stats_set_realm(&curproxy->uri_auth, args[2])) {
Alert("parsing [%s:%d] : out of memory.\n", file, linenum);
return -1;
}
} else if (!strcmp(args[1], "auth")) {
if (*(args[2]) == 0) {
Alert("parsing [%s:%d] : 'auth' needs a user:password account.\n", file, linenum);
return -1;
} else if (!stats_add_auth(&curproxy->uri_auth, args[2])) {
Alert("parsing [%s:%d] : out of memory.\n", file, linenum);
return -1;
}
} else if (!strcmp(args[1], "scope")) {
if (*(args[2]) == 0) {
Alert("parsing [%s:%d] : 'scope' needs a proxy name.\n", file, linenum);
return -1;
} else if (!stats_add_scope(&curproxy->uri_auth, args[2])) {
Alert("parsing [%s:%d] : out of memory.\n", file, linenum);
return -1;
}
} else if (!strcmp(args[1], "enable")) {
if (!stats_check_init_uri_auth(&curproxy->uri_auth)) {
Alert("parsing [%s:%d] : out of memory.\n", file, linenum);
return -1;
}
} else {
Alert("parsing [%s:%d] : unknown stats parameter '%s' (expects 'uri', 'realm', 'auth' or 'enable').\n",
file, linenum, args[0]);
return -1;
}
}
else if (!strcmp(args[0], "option")) {
int optnum;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects an option name.\n", file, linenum, args[0]);
return -1;
}
for (optnum = 0; cfg_opts[optnum].name; optnum++) {
if (!strcmp(args[1], cfg_opts[optnum].name)) {
if (warnifnotcap(curproxy, cfg_opts[optnum].cap, file, linenum, args[1], NULL))
return 0;
curproxy->options |= cfg_opts[optnum].val;
return 0;
}
}
if (!strcmp(args[1], "httplog"))
/* generate a complete HTTP log */
curproxy->to_log |= LW_DATE | LW_CLIP | LW_SVID | LW_REQ | LW_PXID | LW_RESP | LW_BYTES;
else if (!strcmp(args[1], "tcplog"))
/* generate a detailed TCP log */
curproxy->to_log |= LW_DATE | LW_CLIP | LW_SVID | LW_PXID | LW_BYTES;
else if (!strcmp(args[1], "tcpka")) {
/* enable TCP keep-alives on client and server sessions */
if (warnifnotcap(curproxy, PR_CAP_BE | PR_CAP_FE, file, linenum, args[1], NULL))
return 0;
if (curproxy->cap & PR_CAP_FE)
curproxy->options |= PR_O_TCP_CLI_KA;
if (curproxy->cap & PR_CAP_BE)
curproxy->options |= PR_O_TCP_SRV_KA;
}
else if (!strcmp(args[1], "httpchk")) {
if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[1], NULL))
return 0;
/* use HTTP request to check servers' health */
if (curproxy->check_req != NULL) {
free(curproxy->check_req);
}
curproxy->options |= PR_O_HTTP_CHK;
curproxy->options &= ~PR_O_SSL3_CHK;
if (!*args[2]) { /* no argument */
curproxy->check_req = strdup(DEF_CHECK_REQ); /* default request */
curproxy->check_len = strlen(DEF_CHECK_REQ);
} else if (!*args[3]) { /* one argument : URI */
int reqlen = strlen(args[2]) + strlen("OPTIONS / HTTP/1.0\r\n\r\n");
curproxy->check_req = (char *)malloc(reqlen);
curproxy->check_len = snprintf(curproxy->check_req, reqlen,
"OPTIONS %s HTTP/1.0\r\n\r\n", args[2]); /* URI to use */
} else { /* more arguments : METHOD URI [HTTP_VER] */
int reqlen = strlen(args[2]) + strlen(args[3]) + 3 + strlen("\r\n\r\n");
if (*args[4])
reqlen += strlen(args[4]);
else
reqlen += strlen("HTTP/1.0");
curproxy->check_req = (char *)malloc(reqlen);
curproxy->check_len = snprintf(curproxy->check_req, reqlen,
"%s %s %s\r\n\r\n", args[2], args[3], *args[4]?args[4]:"HTTP/1.0");
}
}
else if (!strcmp(args[1], "ssl-hello-chk")) {
/* use SSLv3 CLIENT HELLO to check servers' health */
if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[1], NULL))
return 0;
if (curproxy->check_req != NULL) {
free(curproxy->check_req);
}
curproxy->options &= ~PR_O_HTTP_CHK;
curproxy->options |= PR_O_SSL3_CHK;
}
else {
Alert("parsing [%s:%d] : unknown option '%s'.\n", file, linenum, args[1]);
return -1;
}
return 0;
}
else if (!strcmp(args[0], "default_backend")) {
if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects a backend name.\n", file, linenum, args[0]);
return -1;
}
if (curproxy->defbe.name)
free(curproxy->defbe.name);
curproxy->defbe.name = strdup(args[1]);
}
else if (!strcmp(args[0], "redispatch") || !strcmp(args[0], "redisp")) {
if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
return 0;
/* enable reconnections to dispatch */
curproxy->options |= PR_O_REDISP;
}
#ifdef TPROXY
else if (!strcmp(args[0], "transparent")) {
/* enable transparent proxy connections */
curproxy->options |= PR_O_TRANSP;
}
#endif
else if (!strcmp(args[0], "maxconn")) { /* maxconn */
if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], " Maybe you want 'fullconn' instead ?"))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
return -1;
}
curproxy->maxconn = atol(args[1]);
}
else if (!strcmp(args[0], "fullconn")) { /* fullconn */
if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], " Maybe you want 'maxconn' instead ?"))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
return -1;
}
curproxy->fullconn = atol(args[1]);
}
else if (!strcmp(args[0], "grace")) { /* grace time (ms) */
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects a time in milliseconds.\n", file, linenum, args[0]);
return -1;
}
curproxy->grace = atol(args[1]);
}
else if (!strcmp(args[0], "dispatch")) { /* dispatch address */
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
return 0;
if (strchr(args[1], ':') == NULL) {
Alert("parsing [%s:%d] : '%s' expects <addr:port> as argument.\n", file, linenum, args[0]);
return -1;
}
curproxy->dispatch_addr = *str2sa(args[1]);
}
else if (!strcmp(args[0], "balance")) { /* set balancing with optional algorithm */
if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
return 0;
if (*(args[1])) {
if (!strcmp(args[1], "roundrobin")) {
curproxy->options |= PR_O_BALANCE_RR;
}
else if (!strcmp(args[1], "source")) {
curproxy->options |= PR_O_BALANCE_SH;
}
else {
Alert("parsing [%s:%d] : '%s' only supports 'roundrobin' and 'source' options.\n", file, linenum, args[0]);
return -1;
}
}
else /* if no option is set, use round-robin by default */
curproxy->options |= PR_O_BALANCE_RR;
}
else if (!strcmp(args[0], "server")) { /* server address */
int cur_arg;
char *rport;
char *raddr;
short realport;
int do_check;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
return 0;
if (!*args[2]) {
Alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
file, linenum, args[0]);
return -1;
}
if ((newsrv = (struct server *)calloc(1, sizeof(struct server))) == NULL) {
Alert("parsing [%s:%d] : out of memory.\n", file, linenum);
return -1;
}
/* the servers are linked backwards first */
newsrv->next = curproxy->srv;
curproxy->srv = newsrv;
newsrv->proxy = curproxy;
LIST_INIT(&newsrv->pendconns);
do_check = 0;
newsrv->state = SRV_RUNNING; /* early server setup */
newsrv->id = strdup(args[1]);
/* several ways to check the port component :
* - IP => port=+0, relative
* - IP: => port=+0, relative
* - IP:N => port=N, absolute
* - IP:+N => port=+N, relative
* - IP:-N => port=-N, relative
*/
raddr = strdup(args[2]);
rport = strchr(raddr, ':');
if (rport) {
*rport++ = 0;
realport = atol(rport);
if (!isdigit((int)*rport))
newsrv->state |= SRV_MAPPORTS;
} else {
realport = 0;
newsrv->state |= SRV_MAPPORTS;
}
newsrv->addr = *str2sa(raddr);
newsrv->addr.sin_port = htons(realport);
free(raddr);
newsrv->curfd = -1; /* no health-check in progress */
newsrv->inter = DEF_CHKINTR;
newsrv->rise = DEF_RISETIME;
newsrv->fall = DEF_FALLTIME;
newsrv->health = newsrv->rise; /* up, but will fall down at first failure */
cur_arg = 3;
while (*args[cur_arg]) {
if (!strcmp(args[cur_arg], "cookie")) {
newsrv->cookie = strdup(args[cur_arg + 1]);
newsrv->cklen = strlen(args[cur_arg + 1]);
cur_arg += 2;
}
else if (!strcmp(args[cur_arg], "rise")) {
newsrv->rise = atol(args[cur_arg + 1]);
newsrv->health = newsrv->rise;
cur_arg += 2;
}
else if (!strcmp(args[cur_arg], "fall")) {
newsrv->fall = atol(args[cur_arg + 1]);
cur_arg += 2;
}
else if (!strcmp(args[cur_arg], "inter")) {
newsrv->inter = atol(args[cur_arg + 1]);
cur_arg += 2;
}
else if (!strcmp(args[cur_arg], "port")) {
newsrv->check_port = atol(args[cur_arg + 1]);
cur_arg += 2;
}
else if (!strcmp(args[cur_arg], "backup")) {
newsrv->state |= SRV_BACKUP;
cur_arg ++;
}
else if (!strcmp(args[cur_arg], "weight")) {
int w;
w = atol(args[cur_arg + 1]);
if (w < 1 || w > 256) {
Alert("parsing [%s:%d] : weight of server %s is not within 1 and 256 (%d).\n",
file, linenum, newsrv->id, w);
return -1;
}
newsrv->uweight = w - 1;
cur_arg += 2;
}
else if (!strcmp(args[cur_arg], "minconn")) {
newsrv->minconn = atol(args[cur_arg + 1]);
cur_arg += 2;
}
else if (!strcmp(args[cur_arg], "maxconn")) {
newsrv->maxconn = atol(args[cur_arg + 1]);
cur_arg += 2;
}
else if (!strcmp(args[cur_arg], "check")) {
global.maxsock++;
do_check = 1;
cur_arg += 1;
}
else if (!strcmp(args[cur_arg], "source")) { /* address to which we bind when connecting */
if (!*args[cur_arg + 1]) {
Alert("parsing [%s:%d] : '%s' expects <addr>[:<port>] as argument.\n",
file, linenum, "source");
return -1;
}
newsrv->state |= SRV_BIND_SRC;
newsrv->source_addr = *str2sa(args[cur_arg + 1]);
cur_arg += 2;
#ifdef CONFIG_HAP_CTTPROXY
if (!strcmp(args[cur_arg], "usesrc")) { /* address to use outside */
if (newsrv->source_addr.sin_addr.s_addr == INADDR_ANY) {
Alert("parsing [%s:%d] : '%s' requires an explicit 'source' address.\n",
file, linenum, "usesrc");
return -1;
}
if (!*args[cur_arg + 1]) {
Alert("parsing [%s:%d] : '%s' expects <addr>[:<port>], 'client', or 'clientip' as argument.\n",
file, linenum, "usesrc");
return -1;
}
if (!strcmp(args[cur_arg + 1], "client")) {
newsrv->state |= SRV_TPROXY_CLI;
} else if (!strcmp(args[cur_arg + 1], "clientip")) {
newsrv->state |= SRV_TPROXY_CIP;
} else {
newsrv->state |= SRV_TPROXY_ADDR;
newsrv->tproxy_addr = *str2sa(args[cur_arg + 1]);
}
global.last_checks |= LSTCHK_CTTPROXY | LSTCHK_NETADM;
cur_arg += 2;
}
#endif
}
else {
Alert("parsing [%s:%d] : server %s only supports options 'backup', 'cookie', 'check', 'inter', 'rise', 'fall', 'port', 'source', 'minconn', 'maxconn' and 'weight'.\n",
file, linenum, newsrv->id);
return -1;
}
}
if (do_check) {
if (!newsrv->check_port && !(newsrv->state & SRV_MAPPORTS))
newsrv->check_port = realport; /* by default */
if (!newsrv->check_port) {
Alert("parsing [%s:%d] : server %s has neither service port nor check port. Check has been disabled.\n",
file, linenum, newsrv->id);
return -1;
}
newsrv->state |= SRV_CHECKED;
}
if (newsrv->state & SRV_BACKUP)
curproxy->srv_bck++;
else
curproxy->srv_act++;
}
else if (!strcmp(args[0], "log")) { /* syslog server address */
struct sockaddr_in *sa;
int facility;
if (*(args[1]) && *(args[2]) == 0 && !strcmp(args[1], "global")) {
curproxy->logfac1 = global.logfac1;
curproxy->logsrv1 = global.logsrv1;
curproxy->loglev1 = global.loglev1;
curproxy->logfac2 = global.logfac2;
curproxy->logsrv2 = global.logsrv2;
curproxy->loglev2 = global.loglev2;
}
else if (*(args[1]) && *(args[2])) {
int level;
facility = get_log_facility(args[2]);
if (facility < 0) {
Alert("parsing [%s:%d] : unknown log facility '%s'\n", file, linenum, args[2]);
exit(1);
}
level = 7; /* max syslog level = debug */
if (*(args[3])) {
level = get_log_level(args[3]);
if (level < 0) {
Alert("parsing [%s:%d] : unknown optional log level '%s'\n", file, linenum, args[3]);
exit(1);
}
}
sa = str2sa(args[1]);
if (!sa->sin_port)
sa->sin_port = htons(SYSLOG_PORT);
if (curproxy->logfac1 == -1) {
curproxy->logsrv1 = *sa;
curproxy->logfac1 = facility;
curproxy->loglev1 = level;
}
else if (curproxy->logfac2 == -1) {
curproxy->logsrv2 = *sa;
curproxy->logfac2 = facility;
curproxy->loglev2 = level;
}
else {
Alert("parsing [%s:%d] : too many syslog servers\n", file, linenum);
return -1;
}
}
else {
Alert("parsing [%s:%d] : 'log' expects either <address[:port]> and <facility> or 'global' as arguments.\n",
file, linenum);
return -1;
}
}
else if (!strcmp(args[0], "source")) { /* address to which we bind when connecting */
if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
return 0;
if (!*args[1]) {
Alert("parsing [%s:%d] : '%s' expects <addr>[:<port>] as argument.\n",
file, linenum, "source");
return -1;
}
curproxy->source_addr = *str2sa(args[1]);
curproxy->options |= PR_O_BIND_SRC;
#ifdef CONFIG_HAP_CTTPROXY
if (!strcmp(args[2], "usesrc")) { /* address to use outside */
if (curproxy->source_addr.sin_addr.s_addr == INADDR_ANY) {
Alert("parsing [%s:%d] : '%s' requires an explicit 'source' address.\n",
file, linenum, "usesrc");
return -1;
}
if (!*args[3]) {
Alert("parsing [%s:%d] : '%s' expects <addr>[:<port>], 'client', or 'clientip' as argument.\n",
file, linenum, "usesrc");
return -1;
}
if (!strcmp(args[3], "client")) {
curproxy->options |= PR_O_TPXY_CLI;
} else if (!strcmp(args[3], "clientip")) {
curproxy->options |= PR_O_TPXY_CIP;
} else {
curproxy->options |= PR_O_TPXY_ADDR;
curproxy->tproxy_addr = *str2sa(args[3]);
}
global.last_checks |= LSTCHK_CTTPROXY | LSTCHK_NETADM;
}
#endif
}
else if (!strcmp(args[0], "cliexp") || !strcmp(args[0], "reqrep")) { /* replace request header from a regex */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0 || *(args[2]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <search> and <replace> as arguments.\n",
file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
err = chain_regex(&curproxy->req_exp, preg, ACT_REPLACE, strdup(args[2]));
if (err) {
Alert("parsing [%s:%d] : invalid character or unterminated sequence in replacement string near '%c'.\n",
file, linenum, *err);
return -1;
}
}
else if (!strcmp(args[0], "reqdel")) { /* delete request header from a regex */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <regex> as an argument.\n", file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
chain_regex(&curproxy->req_exp, preg, ACT_REMOVE, NULL);
}
else if (!strcmp(args[0], "reqdeny")) { /* deny a request if a header matches this regex */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <regex> as an argument.\n", file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
chain_regex(&curproxy->req_exp, preg, ACT_DENY, NULL);
}
else if (!strcmp(args[0], "reqpass")) { /* pass this header without allowing or denying the request */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <regex> as an argument.\n", file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
chain_regex(&curproxy->req_exp, preg, ACT_PASS, NULL);
}
else if (!strcmp(args[0], "reqallow")) { /* allow a request if a header matches this regex */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <regex> as an argument.\n", file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
chain_regex(&curproxy->req_exp, preg, ACT_ALLOW, NULL);
}
else if (!strcmp(args[0], "reqtarpit")) { /* tarpit a request if a header matches this regex */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <regex> as an argument.\n", file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
chain_regex(&curproxy->req_exp, preg, ACT_TARPIT, NULL);
}
else if (!strcmp(args[0], "reqsetbe")) { /* switch the backend from a regex, respecting case */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0 || *(args[2]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <search> and <target> as arguments.\n",
file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
}
chain_regex(&curproxy->req_exp, preg, ACT_SETBE, strdup(args[2]));
}
else if (!strcmp(args[0], "reqisetbe")) { /* switch the backend from a regex, ignoring case */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0 || *(args[2]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <search> and <target> as arguments.\n",
file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED | REG_ICASE) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
}
chain_regex(&curproxy->req_exp, preg, ACT_SETBE, strdup(args[2]));
}
else if (!strcmp(args[0], "reqirep")) { /* replace request header from a regex, ignoring case */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0 || *(args[2]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <search> and <replace> as arguments.\n",
file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED | REG_ICASE) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
err = chain_regex(&curproxy->req_exp, preg, ACT_REPLACE, strdup(args[2]));
if (err) {
Alert("parsing [%s:%d] : invalid character or unterminated sequence in replacement string near '%c'.\n",
file, linenum, *err);
return -1;
}
}
else if (!strcmp(args[0], "reqidel")) { /* delete request header from a regex ignoring case */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <regex> as an argument.\n", file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED | REG_ICASE) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
chain_regex(&curproxy->req_exp, preg, ACT_REMOVE, NULL);
}
else if (!strcmp(args[0], "reqideny")) { /* deny a request if a header matches this regex ignoring case */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <regex> as an argument.\n", file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED | REG_ICASE) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
chain_regex(&curproxy->req_exp, preg, ACT_DENY, NULL);
}
else if (!strcmp(args[0], "reqipass")) { /* pass this header without allowing or denying the request */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <regex> as an argument.\n", file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED | REG_ICASE) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
chain_regex(&curproxy->req_exp, preg, ACT_PASS, NULL);
}
else if (!strcmp(args[0], "reqiallow")) { /* allow a request if a header matches this regex ignoring case */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <regex> as an argument.\n", file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED | REG_ICASE) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
chain_regex(&curproxy->req_exp, preg, ACT_ALLOW, NULL);
}
else if (!strcmp(args[0], "reqitarpit")) { /* tarpit a request if a header matches this regex ignoring case */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <regex> as an argument.\n", file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED | REG_ICASE) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
chain_regex(&curproxy->req_exp, preg, ACT_TARPIT, NULL);
}
else if (!strcmp(args[0], "reqadd")) { /* add request header */
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (curproxy->nb_reqadd >= MAX_NEWHDR) {
Alert("parsing [%s:%d] : too many '%s'. Continuing.\n", file, linenum, args[0]);
return 0;
}
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <header> as an argument.\n", file, linenum, args[0]);
return -1;
}
curproxy->req_add[curproxy->nb_reqadd++] = strdup(args[1]);
}
else if (!strcmp(args[0], "srvexp") || !strcmp(args[0], "rsprep")) { /* replace response header from a regex */
regex_t *preg;
if (*(args[1]) == 0 || *(args[2]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <search> and <replace> as arguments.\n",
file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
err = chain_regex(&curproxy->rsp_exp, preg, ACT_REPLACE, strdup(args[2]));
if (err) {
Alert("parsing [%s:%d] : invalid character or unterminated sequence in replacement string near '%c'.\n",
file, linenum, *err);
return -1;
}
}
else if (!strcmp(args[0], "rspdel")) { /* delete response header from a regex */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <search> as an argument.\n", file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
err = chain_regex(&curproxy->rsp_exp, preg, ACT_REMOVE, strdup(args[2]));
if (err) {
Alert("parsing [%s:%d] : invalid character or unterminated sequence in replacement string near '%c'.\n",
file, linenum, *err);
return -1;
}
}
else if (!strcmp(args[0], "rspdeny")) { /* block response header from a regex */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <search> as an argument.\n", file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
err = chain_regex(&curproxy->rsp_exp, preg, ACT_DENY, strdup(args[2]));
if (err) {
Alert("parsing [%s:%d] : invalid character or unterminated sequence in replacement string near '%c'.\n",
file, linenum, *err);
return -1;
}
}
else if (!strcmp(args[0], "rspirep")) { /* replace response header from a regex ignoring case */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0 || *(args[2]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <search> and <replace> as arguments.\n",
file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED | REG_ICASE) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
err = chain_regex(&curproxy->rsp_exp, preg, ACT_REPLACE, strdup(args[2]));
if (err) {
Alert("parsing [%s:%d] : invalid character or unterminated sequence in replacement string near '%c'.\n",
file, linenum, *err);
return -1;
}
}
else if (!strcmp(args[0], "rspidel")) { /* delete response header from a regex ignoring case */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <search> as an argument.\n", file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED | REG_ICASE) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
err = chain_regex(&curproxy->rsp_exp, preg, ACT_REMOVE, strdup(args[2]));
if (err) {
Alert("parsing [%s:%d] : invalid character or unterminated sequence in replacement string near '%c'.\n",
file, linenum, *err);
return -1;
}
}
else if (!strcmp(args[0], "rspideny")) { /* block response header from a regex ignoring case */
regex_t *preg;
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <search> as an argument.\n", file, linenum, args[0]);
return -1;
}
preg = calloc(1, sizeof(regex_t));
if (regcomp(preg, args[1], REG_EXTENDED | REG_ICASE) != 0) {
Alert("parsing [%s:%d] : bad regular expression '%s'.\n", file, linenum, args[1]);
return -1;
}
err = chain_regex(&curproxy->rsp_exp, preg, ACT_DENY, strdup(args[2]));
if (err) {
Alert("parsing [%s:%d] : invalid character or unterminated sequence in replacement string near '%c'.\n",
file, linenum, *err);
return -1;
}
}
else if (!strcmp(args[0], "rspadd")) { /* add response header */
if (curproxy == &defproxy) {
Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
return -1;
}
else if (warnifnotcap(curproxy, PR_CAP_RS, file, linenum, args[0], NULL))
return 0;
if (curproxy->nb_rspadd >= MAX_NEWHDR) {
Alert("parsing [%s:%d] : too many '%s'. Continuing.\n", file, linenum, args[0]);
return 0;
}
if (*(args[1]) == 0) {
Alert("parsing [%s:%d] : '%s' expects <header> as an argument.\n", file, linenum, args[0]);
return -1;
}
curproxy->rsp_add[curproxy->nb_rspadd++] = strdup(args[1]);
}
else if (!strcmp(args[0], "errorloc") ||
!strcmp(args[0], "errorloc302") ||
!strcmp(args[0], "errorloc303")) { /* error location */
int errnum, errlen;
char *err;
// if (curproxy == &defproxy) {
// Alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
// return -1;
// }
if (warnifnotcap(curproxy, PR_CAP_FE | PR_CAP_BE, file, linenum, args[0], NULL))
return 0;
if (*(args[2]) == 0) {
Alert("parsing [%s:%d] : <%s> expects <status_code> and <url> as arguments.\n", file, linenum);
return -1;
}
errnum = atol(args[1]);
if (!strcmp(args[0], "errorloc303")) {
err = malloc(strlen(HTTP_303) + strlen(args[2]) + 5);
errlen = sprintf(err, "%s%s\r\n\r\n", HTTP_303, args[2]);
} else {
err = malloc(strlen(HTTP_302) + strlen(args[2]) + 5);
errlen = sprintf(err, "%s%s\r\n\r\n", HTTP_302, args[2]);
}
for (rc = 0; rc < HTTP_ERR_SIZE; rc++) {
if (http_err_codes[rc] == errnum) {
if (curproxy->errmsg[rc].str)
free(curproxy->errmsg[rc].str);
curproxy->errmsg[rc].str = err;
curproxy->errmsg[rc].len = errlen;
break;
}
}
if (rc >= HTTP_ERR_SIZE) {
Warning("parsing [%s:%d] : status code %d not handled, error relocation will be ignored.\n",
file, linenum, errnum);
free(err);
}
}
else {
Alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], "listen");
return -1;
}
return 0;
}
/*
* This function reads and parses the configuration file given in the argument.
* returns 0 if OK, -1 if error.
*/
int readcfgfile(const char *file)
{
char thisline[256];
char *line;
FILE *f;
int linenum = 0;
char *end;
char *args[MAX_LINE_ARGS];
int arg;
int cfgerr = 0;
int nbchk, mininter;
int confsect = CFG_NONE;
struct proxy *curproxy = NULL;
struct server *newsrv = NULL;
if ((f=fopen(file,"r")) == NULL)
return -1;
init_default_instance();
while (fgets(line = thisline, sizeof(thisline), f) != NULL) {
linenum++;
end = line + strlen(line);
/* skip leading spaces */
while (isspace((int)*line))
line++;
arg = 0;
args[arg] = line;
while (*line && arg < MAX_LINE_ARGS) {
/* first, we'll replace \\, \<space>, \#, \r, \n, \t, \xXX with their
* C equivalent value. Other combinations left unchanged (eg: \1).
*/
if (*line == '\\') {
int skip = 0;
if (line[1] == ' ' || line[1] == '\\' || line[1] == '#') {
*line = line[1];
skip = 1;
}
else if (line[1] == 'r') {
*line = '\r';
skip = 1;
}
else if (line[1] == 'n') {
*line = '\n';
skip = 1;
}
else if (line[1] == 't') {
*line = '\t';
skip = 1;
}
else if (line[1] == 'x') {
if ((line + 3 < end ) && ishex(line[2]) && ishex(line[3])) {
unsigned char hex1, hex2;
hex1 = toupper(line[2]) - '0';
hex2 = toupper(line[3]) - '0';
if (hex1 > 9) hex1 -= 'A' - '9' - 1;
if (hex2 > 9) hex2 -= 'A' - '9' - 1;
*line = (hex1<<4) + hex2;
skip = 3;
}
else {
Alert("parsing [%s:%d] : invalid or incomplete '\\x' sequence in '%s'.\n", file, linenum, args[0]);
return -1;
}
}
if (skip) {
memmove(line + 1, line + 1 + skip, end - (line + skip + 1));
end -= skip;
}
line++;
}
else if (*line == '#' || *line == '\n' || *line == '\r') {
/* end of string, end of loop */
*line = 0;
break;
}
else if (isspace((int)*line)) {
/* a non-escaped space is an argument separator */
*line++ = 0;
while (isspace((int)*line))
line++;
args[++arg] = line;
}
else {
line++;
}
}
/* empty line */
if (!**args)
continue;
/* zero out remaining args */
while (++arg < MAX_LINE_ARGS) {
args[arg] = line;
}
if (!strcmp(args[0], "listen") ||
!strcmp(args[0], "frontend") ||
!strcmp(args[0], "backend") ||
!strcmp(args[0], "ruleset") ||
!strcmp(args[0], "defaults")) /* new proxy */
confsect = CFG_LISTEN;
else if (!strcmp(args[0], "global")) /* global config */
confsect = CFG_GLOBAL;
/* else it's a section keyword */
switch (confsect) {
case CFG_LISTEN:
if (cfg_parse_listen(file, linenum, args) < 0)
return -1;
break;
case CFG_GLOBAL:
if (cfg_parse_global(file, linenum, args) < 0)
return -1;
break;
default:
Alert("parsing [%s:%d] : unknown keyword '%s' out of section.\n", file, linenum, args[0]);
return -1;
}
}
fclose(f);
/*
* Now, check for the integrity of all that we have collected.
*/
/* will be needed further to delay some tasks */
tv_now(&now);
if ((curproxy = proxy) == NULL) {
Alert("parsing %s : no <listen> line. Nothing to do !\n",
file);
return -1;
}
while (curproxy != NULL) {
curproxy->fiprm = curproxy->beprm = curproxy;
if (curproxy->state == PR_STSTOPPED) {
curproxy = curproxy->next;
continue;
}
if (curproxy->cap & PR_CAP_FE && curproxy->listen == NULL) {
Alert("parsing %s : %s '%s' has no listen address. Please either specify a valid address on the <listen> line, or use the <bind> keyword.\n",
file, proxy_type_str(curproxy), curproxy->id);
cfgerr++;
}
else if (curproxy->cap & PR_CAP_BE &&
((curproxy->mode != PR_MODE_HEALTH) &&
!(curproxy->options & (PR_O_TRANSP | PR_O_BALANCE)) &&
(*(int *)&curproxy->dispatch_addr.sin_addr == 0))) {
Alert("parsing %s : %s '%s' has no dispatch address and is not in transparent or balance mode.\n",
file, proxy_type_str(curproxy), curproxy->id);
cfgerr++;
}
else if ((curproxy->mode != PR_MODE_HEALTH) && (curproxy->options & PR_O_BALANCE)) {
if (curproxy->options & PR_O_TRANSP) {
Alert("parsing %s : %s '%s' cannot use both transparent and balance mode.\n",
file, proxy_type_str(curproxy), curproxy->id);
cfgerr++;
}
#ifdef WE_DONT_SUPPORT_SERVERLESS_LISTENERS
else if (curproxy->srv == NULL) {
Alert("parsing %s : %s '%s' needs at least 1 server in balance mode.\n",
file, proxy_type_str(curproxy), curproxy->id);
cfgerr++;
}
#endif
else if (*(int *)&curproxy->dispatch_addr.sin_addr != 0) {
Warning("parsing %s : dispatch address of %s '%s' will be ignored in balance mode.\n",
file, proxy_type_str(curproxy), curproxy->id);
}
}
else if (curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HEALTH) { /* TCP PROXY or HEALTH CHECK */
if (curproxy->cookie_name != NULL) {
Warning("parsing %s : cookie will be ignored for %s '%s'.\n",
file, proxy_type_str(curproxy), curproxy->id);
}
if ((newsrv = curproxy->srv) != NULL) {
Warning("parsing %s : servers will be ignored for %s '%s'.\n",
file, proxy_type_str(curproxy), curproxy->id);
}
if (curproxy->rsp_exp != NULL) {
Warning("parsing %s : server regular expressions will be ignored for %s '%s'.\n",
file, proxy_type_str(curproxy), curproxy->id);
}
if (curproxy->req_exp != NULL) {
Warning("parsing %s : client regular expressions will be ignored for %s '%s'.\n",
file, proxy_type_str(curproxy), curproxy->id);
}
if (curproxy->monitor_uri != NULL) {
Warning("parsing %s : monitor-uri will be ignored for %s '%s'.\n",
file, proxy_type_str(curproxy), curproxy->id);
}
}
else if (curproxy->mode == PR_MODE_HTTP) { /* HTTP PROXY */
if ((curproxy->cookie_name != NULL) && ((newsrv = curproxy->srv) == NULL)) {
Alert("parsing %s : HTTP proxy %s has a cookie but no server list !\n",
file, curproxy->id);
cfgerr++;
}
}
/* if a default backend was specified, let's find it */
if (curproxy->defbe.name) {
struct proxy *target;
for (target = proxy; target != NULL; target = target->next) {
if (strcmp(target->id, curproxy->defbe.name) == 0)
break;
}
if (target == NULL) {
Alert("parsing %s : default backend '%s' in HTTP %s '%s' was not found !\n",
file, curproxy->defbe.name, proxy_type_str(curproxy), curproxy->id);
cfgerr++;
} else if (target == curproxy) {
Alert("parsing %s : loop detected for default backend %s !\n", file, curproxy->defbe.name);
cfgerr++;
} else if (!(target->cap & PR_CAP_BE)) {
Alert("parsing %s : default backend '%s' in HTTP %s '%s' has no backend capability !\n",
file, curproxy->defbe.name, proxy_type_str(curproxy), curproxy->id);
cfgerr++;
} else if (target->mode != curproxy->mode) {
Alert("parsing %s : default backend '%s' in HTTP %s '%s' is not of same mode (tcp/http) !\n",
file, curproxy->defbe.name, proxy_type_str(curproxy), curproxy->id);
cfgerr++;
} else {
free(curproxy->defbe.name);
curproxy->defbe.be = target;
}
}
/* find the target proxy in setbe */
if (curproxy->mode == PR_MODE_HTTP && curproxy->req_exp != NULL) {
/* map jump target for ACT_SETBE in req_rep chain */
struct hdr_exp *exp;
struct proxy *target;
for (exp = curproxy->req_exp; exp != NULL; exp = exp->next) {
if (exp->action != ACT_SETBE)
continue;
for (target = proxy; target != NULL; target = target->next) {
if (strcmp(target->id, exp->replace) == 0)
break;
}
if (target == NULL) {
Alert("parsing %s : backend '%s' in HTTP %s '%s' was not found !\n",
file, exp->replace, proxy_type_str(curproxy), curproxy->id);
cfgerr++;
} else if (target == curproxy) {
Alert("parsing %s : loop detected for backend %s !\n", file, exp->replace);
cfgerr++;
} else if (!(target->cap & PR_CAP_BE)) {
Alert("parsing %s : target '%s' in HTTP %s '%s' has no backend capability !\n",
file, exp->replace, proxy_type_str(curproxy), curproxy->id);
cfgerr++;
} else if (target->mode != PR_MODE_HTTP) {
Alert("parsing %s : backend '%s' in HTTP %s '%s' is not HTTP (use 'mode http') !\n",
file, exp->replace, proxy_type_str(curproxy), curproxy->id);
cfgerr++;
} else {
free((void *)exp->replace);
exp->replace = (const char *)target;
}
}
}
if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
(((curproxy->cap & PR_CAP_FE) && !curproxy->clitimeout) ||
((curproxy->cap & PR_CAP_BE) && (curproxy->srv) && (!curproxy->contimeout || !curproxy->srvtimeout)))) {
Warning("parsing %s : missing timeouts for %s '%s'.\n"
" | While not properly invalid, you will certainly encounter various problems\n"
" | with such a configuration. To fix this, please ensure that all following\n"
" | values are set to a non-zero value: clitimeout, contimeout, srvtimeout.\n",
file, proxy_type_str(curproxy), curproxy->id);
}
if (curproxy->options & PR_O_SSL3_CHK) {
curproxy->check_len = sizeof(sslv3_client_hello_pkt);
curproxy->check_req = (char *)malloc(sizeof(sslv3_client_hello_pkt));
memcpy(curproxy->check_req, sslv3_client_hello_pkt, sizeof(sslv3_client_hello_pkt));
}
/* for backwards compatibility with "listen" instances, if
* fullconn is not set but maxconn is set, then maxconn
* is used.
*/
if (!curproxy->fullconn)
curproxy->fullconn = curproxy->maxconn;
/* first, we will invert the servers list order */
newsrv = NULL;
while (curproxy->srv) {
struct server *next;
next = curproxy->srv->next;
curproxy->srv->next = newsrv;
newsrv = curproxy->srv;
if (!next)
break;
curproxy->srv = next;
}
/* now, newsrv == curproxy->srv */
if (newsrv) {
struct server *srv;
int pgcd;
int act, bck;
/* We will factor the weights to reduce the table,
* using Euclide's largest common divisor algorithm
*/
pgcd = newsrv->uweight + 1;
for (srv = newsrv->next; srv && pgcd > 1; srv = srv->next) {
int t, w;
w = srv->uweight + 1;
while (w) {
t = pgcd % w;
pgcd = w;
w = t;
}
}
act = bck = 0;
for (srv = newsrv; srv; srv = srv->next) {
srv->eweight = ((srv->uweight + 1) / pgcd) - 1;
if (srv->state & SRV_BACKUP)
bck += srv->eweight + 1;
else
act += srv->eweight + 1;
}
/* this is the largest map we will ever need for this servers list */
if (act < bck)
act = bck;
curproxy->srv_map = (struct server **)calloc(act, sizeof(struct server *));
/* recounts servers and their weights */
recount_servers(curproxy);
recalc_server_map(curproxy);
}
if (curproxy->options & PR_O_LOGASAP)
curproxy->to_log &= ~LW_BYTES;
/*
* If this server supports a maxconn parameter, it needs a dedicated
* tasks to fill the emptied slots when a connection leaves.
*/
newsrv = curproxy->srv;
while (newsrv != NULL) {
if (newsrv->minconn > newsrv->maxconn) {
/* Only 'minconn' was specified, or it was higher than or equal
* to 'maxconn'. Let's turn this into maxconn and clean it, as
* this will avoid further useless expensive computations.
*/
newsrv->maxconn = newsrv->minconn;
} else if (newsrv->maxconn && !newsrv->minconn) {
/* minconn was not specified, so we set it to maxconn */
newsrv->minconn = newsrv->maxconn;
} else if (newsrv->minconn != newsrv->maxconn && !curproxy->fullconn) {
Alert("parsing %s, %s '%s' : fullconn is mandatory when minconn is set on a server.\n",
file, proxy_type_str(curproxy), curproxy->id, linenum);
return -1;
}
if (newsrv->maxconn > 0) {
struct task *t;
if ((t = pool_alloc(task)) == NULL) {
Alert("parsing [%s:%d] : out of memory.\n", file, linenum);
return -1;
}
t->next = t->prev = t->rqnext = NULL; /* task not in run queue yet */
t->wq = LIST_HEAD(wait_queue[1]); /* already assigned to the eternity queue */
t->state = TASK_IDLE;
t->process = process_srv_queue;
t->context = newsrv;
newsrv->queue_mgt = t;
/* never run it unless specifically woken up */
tv_eternity(&t->expire);
task_queue(t);
}
newsrv = newsrv->next;
}
/* now we'll start this proxy's health checks if any */
/* 1- count the checkers to run simultaneously */
nbchk = 0;
mininter = 0;
newsrv = curproxy->srv;
while (newsrv != NULL) {
if (newsrv->state & SRV_CHECKED) {
if (!mininter || mininter > newsrv->inter)
mininter = newsrv->inter;
nbchk++;
}
newsrv = newsrv->next;
}
/* 2- start them as far as possible from each others while respecting
* their own intervals. For this, we will start them after their own
* interval added to the min interval divided by the number of servers,
* weighted by the server's position in the list.
*/
if (nbchk > 0) {
struct task *t;
int srvpos;
newsrv = curproxy->srv;
srvpos = 0;
while (newsrv != NULL) {
/* should this server be checked ? */
if (newsrv->state & SRV_CHECKED) {
if ((t = pool_alloc(task)) == NULL) {
Alert("parsing [%s:%d] : out of memory.\n", file, linenum);
return -1;
}
t->next = t->prev = t->rqnext = NULL; /* task not in run queue yet */
t->wq = LIST_HEAD(wait_queue[0]); /* but already has a wait queue assigned */
t->state = TASK_IDLE;
t->process = process_chk;
t->context = newsrv;
/* check this every ms */
tv_delayfrom(&t->expire, &now,
newsrv->inter + mininter * srvpos / nbchk);
task_queue(t);
//task_wakeup(&rq, t);
srvpos++;
}
newsrv = newsrv->next;
}
}
curproxy = curproxy->next;
}
if (cfgerr > 0) {
Alert("Errors found in configuration file, aborting.\n");
return -1;
}
else
return 0;
}
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*/