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cfg_param.c
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/*
* Copyright (C) 2004-2008 Christos Tsantilas
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA.
*/
#include "common.h"
#include "c-icap.h"
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <assert.h>
#include "service.h"
#include "debug.h"
#include "module.h"
#include "filetype.h"
#include "cfg_param.h"
#include "commands.h"
#include "acl.h"
#include "txtTemplate.h"
#include "proc_mutex.h"
#include "port.h"
#include "registry.h"
#include "shared_mem.h"
#ifdef USE_OPENSSL
#include "net_io_ssl.h"
#endif
#define MAX_INCLUDE_LEVEL 5
#define LINESIZE 8192
#define MAX_DIRECTIVE_SIZE 80
#define MAX_ARGS 50
int ARGC;
char **ARGV;
struct ci_server_conf CI_CONF = {
NULL,
#ifdef _WIN32
"c:\\TEMP", /*TMPDIR*/ "c:\\TEMP\\c-icap.pid", /*PIDFILE*/ "\\\\.\\pipe\\c-icap", /*COMMANDS_SOCKET; */
#else
"/var/tmp/", /*TMPDIR*/ "/var/run/c-icap/c-icap.pid", /*PIDFILE*/ "/var/run/c-icap/c-icap.ctl", /*COMMANDS_SOCKET; */
#endif
NULL, /* RUN_USER */
NULL, /* RUN_GROUP */
#ifdef _WIN32
CI_CONFDIR "\\c-icap.conf", /*cfg_file */
CI_CONFDIR "\\c-icap.magic", /*magics_file */
#else
CI_CONFDIR "/c-icap.conf", /*cfg_file */
CI_CONFDIR "/c-icap.magic", /*magics_file */
#endif
NULL, /*MAGIC_DB */
CI_SERVDIR, /*SERVICES_DIR */
CI_MODSDIR, /*MODULES_DIR */
NULL, /*SERVER_ADMIN*/
NULL, /*SERVER_NAME*/
5, /*START_SERVERS*/
10, /*MAX_SERVERS*/
30, /*THREADS_PER_CHILD*/
30, /*MIN_SPARE_THREADS*/
60 /*MAX_SPARE_THREADS*/
#ifdef USE_OPENSSL
,
0 /*TLS_ENABLED, set by TLSPort*/
#endif
};
int TIMEOUT = 300;
int KEEPALIVE_TIMEOUT = 15;
int MAX_KEEPALIVE_REQUESTS = 100;
int MAX_SECS_TO_LINGER = 5;
int MAX_REQUESTS_BEFORE_REALLOCATE_MEM = 100;
int MAX_REQUESTS_PER_CHILD = 0;
int DAEMON_MODE = 1;
int VERSION_MODE = 0;
int HELP_MODE = 0;
int DebugLevelSetFromCmd = 0;
const char *DEFAULT_SERVICE = NULL; /*Default service if not defined in ICAP URI*/
int PIPELINING = 1;
int CHECK_FOR_BUGGY_CLIENT = 0;
int ALLOW204_AS_200OK_ZERO_ENCAPS = 0;
int FAKE_ALLOW204 = 1;
extern char *SERVER_LOG_FILE;
extern char *ACCESS_LOG_FILE;
extern char *ACCESS_LOG_FORMAT;
/*extern char *LOGS_DIR;*/
extern logger_module_t *default_logger;
extern access_control_module_t **used_access_controllers;
extern char *REMOTE_PROXY_USER_HEADER;
extern int ALLOW_REMOTE_PROXY_USERS;
extern int REMOTE_PROXY_USER_HEADER_ENCODED;
/*Functions declaration */
int parse_file(const char *conf_file);
/*config table functions*/
int cfg_load_magicfile(const char *directive, const char **argv, void *setdata);
int cfg_load_service(const char *directive, const char **argv, void *setdata);
int cfg_service_alias(const char *directive, const char **argv, void *setdata);
int cfg_load_module(const char *directive, const char **argv, void *setdata);
int cfg_set_logformat(const char *directive, const char **argv, void *setdata);
int cfg_set_logger(const char *directive, const char **argv, void *setdata);
int cfg_set_accesslog(const char *directive, const char **argv, void *setdata);
int cfg_set_debug_level(const char *directive, const char **argv, void *setdata);
int cfg_set_debug_stdout(const char *directive, const char **argv, void *setdata);
int cfg_set_body_maxmem(const char *directive, const char **argv, void *setdata);
int cfg_set_tmp_dir(const char *directive, const char **argv, void *setdata);
int cfg_set_acl_controllers(const char *directive, const char **argv, void *setdata);
int cfg_set_auth_method(const char *directive, const char **argv, void *setdata);
int cfg_include_config_file(const char *directive, const char **argv, void *setdata);
int cfg_group_source_by_group(const char *directive, const char **argv, void *setdata);
int cfg_group_source_by_user(const char *directive, const char **argv, void *setdata);
int cfg_shared_mem_scheme(const char *directive, const char **argv, void *setdata);
int cfg_proc_lock_scheme(const char *directive, const char **argv, void *setdata);
int cfg_set_port(const char *directive, const char **argv, void *setdata);
int cfg_set_template_dir(const char *directive, const char **argv, void *setdata);
int cfg_set_template_default_lang(const char *directive, const char **argv, void *setdata);
int cfg_set_template_reload_time(const char *directive, const char **argv, void *setdata);
int cfg_set_template_cache_size(const char *directive, const char **argv, void *setdata);
int cfg_set_template_membuf_size(const char *directive, const char **argv, void *setdata);
/*The following 2 functions defined in access.c file*/
int cfg_acl_add(const char *directive, const char **argv, void *setdata);
int cfg_default_acl_access(const char *directive, const char **argv, void *setdata);
/****/
struct sub_table {
const char *name;
int type;
struct ci_conf_entry *conf_table;
};
static struct ci_conf_entry conf_variables[] = {
// {"ListenAddress", &CI_CONF.ADDRESS, intl_cfg_set_str, NULL},
{"PidFile", &CI_CONF.PIDFILE, intl_cfg_set_str, NULL},
{"CommandsSocket", &CI_CONF.COMMANDS_SOCKET, intl_cfg_set_str, NULL},
{"Timeout", (void *) (&TIMEOUT), intl_cfg_set_int, NULL},
{"KeepAlive", NULL, NULL, NULL},
{"MaxKeepAliveRequests", &MAX_KEEPALIVE_REQUESTS, intl_cfg_set_int, NULL},
{"KeepAliveTimeout", &KEEPALIVE_TIMEOUT, intl_cfg_set_int, NULL},
{"StartServers", &CI_CONF.START_SERVERS, intl_cfg_set_int, NULL},
{"MaxServers", &CI_CONF.MAX_SERVERS, intl_cfg_set_int, NULL},
{"MinSpareThreads", &CI_CONF.MIN_SPARE_THREADS, intl_cfg_set_int, NULL},
{"MaxSpareThreads", &CI_CONF.MAX_SPARE_THREADS, intl_cfg_set_int, NULL},
{"ThreadsPerChild", &CI_CONF.THREADS_PER_CHILD, intl_cfg_set_int, NULL},
{"MaxRequestsPerChild", &MAX_REQUESTS_PER_CHILD, intl_cfg_set_int, NULL},
{"MaxRequestsReallocateMem", &MAX_REQUESTS_BEFORE_REALLOCATE_MEM, intl_cfg_set_int, NULL},
{"Port", &CI_CONF.PORTS, cfg_set_port, NULL},
#ifdef USE_OPENSSL
{"TlsPort", &CI_CONF.PORTS, cfg_set_port, NULL},
{"TlsPassphrase", &CI_CONF.TLS_PASSPHRASE, intl_cfg_set_str, NULL},
/*The Ssl* alias of Tls* cfg params*/
{"SslPort", &CI_CONF.PORTS, cfg_set_port, NULL},
{"SslPassphrase", &CI_CONF.TLS_PASSPHRASE, intl_cfg_set_str, NULL},
#endif
{"User", &CI_CONF.RUN_USER, intl_cfg_set_str, NULL},
{"Group", &CI_CONF.RUN_GROUP, intl_cfg_set_str, NULL},
{"ServerAdmin", &CI_CONF.SERVER_ADMIN, intl_cfg_set_str, NULL},
{"ServerName", &CI_CONF.SERVER_NAME, intl_cfg_set_str, NULL},
{"LoadMagicFile", NULL, cfg_load_magicfile, NULL},
{"Logger", &default_logger, cfg_set_logger, NULL},
{"ServerLog", &SERVER_LOG_FILE, intl_cfg_set_str, NULL},
{"AccessLog", NULL, cfg_set_accesslog, NULL},
{"LogFormat", NULL, cfg_set_logformat, NULL},
{"DebugLevel", NULL, cfg_set_debug_level, NULL}, /*Set library's debug level */
{"ServicesDir", &CI_CONF.SERVICES_DIR, intl_cfg_set_str, NULL},
{"ModulesDir", &CI_CONF.MODULES_DIR, intl_cfg_set_str, NULL},
{"Service", NULL, cfg_load_service, NULL},
{"ServiceAlias", NULL, cfg_service_alias, NULL},
{"Module", NULL, cfg_load_module, NULL},
{"TmpDir", NULL, cfg_set_tmp_dir, NULL},
{"MaxMemObject", NULL, cfg_set_body_maxmem, NULL}, /*Set library's body max mem */
{"AclControllers", NULL, cfg_set_acl_controllers, NULL},
{"acl", NULL, cfg_acl_add, NULL},
{"icap_access", NULL, cfg_default_acl_access, NULL},
{"client_access", NULL, cfg_default_acl_access, NULL},
{"AuthMethod", NULL, cfg_set_auth_method, NULL},
{"Include", NULL, cfg_include_config_file, NULL},
{"RemoteProxyUserHeader", &REMOTE_PROXY_USER_HEADER, intl_cfg_set_str, NULL},
{"RemoteProxyUserHeaderEncoded", &REMOTE_PROXY_USER_HEADER_ENCODED, intl_cfg_onoff, NULL},
{"RemoteProxyUsers", &ALLOW_REMOTE_PROXY_USERS, intl_cfg_onoff, NULL},
{"TemplateDir", NULL, cfg_set_template_dir, NULL},
{"TemplateDefaultLanguage", NULL, cfg_set_template_default_lang, NULL},
{"TemplateReloadTime", NULL, cfg_set_template_reload_time, NULL},
{"TemplateCacheSize", NULL, cfg_set_template_cache_size, NULL},
{"TemplateMemBufSize", NULL, cfg_set_template_membuf_size, NULL},
{"GroupSourceByGroup", NULL, cfg_group_source_by_group, NULL},
{"GroupSourceByUser", NULL, cfg_group_source_by_user, NULL},
{"InterProcessSharedMemScheme", NULL, cfg_shared_mem_scheme, NULL},
{"InterProcessLockingScheme", NULL, cfg_proc_lock_scheme, NULL},
{"DefaultService", &DEFAULT_SERVICE, intl_cfg_set_str, NULL},
{"Pipelining", &PIPELINING, intl_cfg_onoff, NULL},
{"SupportBuggyClients", &CHECK_FOR_BUGGY_CLIENT, intl_cfg_onoff, NULL},
{"Allow204As200okZeroEncaps", &ALLOW204_AS_200OK_ZERO_ENCAPS, intl_cfg_enable, NULL},
{"FakeAllow204", &FAKE_ALLOW204, intl_cfg_onoff, NULL},
{NULL, NULL, NULL, NULL}
};
#define STEPSIZE 10
static struct sub_table *extra_conf_tables = NULL;
int conf_tables_list_size = 0;
int conf_tables_num = 0;
struct ci_conf_entry *search_conf_table(struct ci_conf_entry *table, char *varname)
{
int i;
for (i = 0; table[i].name != NULL; i++) {
if (0 == strcmp(varname, table[i].name))
return &table[i];
}
return NULL;
}
void init_conf_tables()
{
if ((extra_conf_tables =
malloc(STEPSIZE * sizeof(struct sub_table))) == NULL) {
ci_debug_printf(1, "Error allocating memory...\n");
return;
}
conf_tables_list_size = STEPSIZE;
}
void reset_conf_tables()
{
conf_tables_num = 0;
}
int register_conf_table(const char *name, struct ci_conf_entry *table, int type)
{
struct sub_table *new;
int i, insert_pos;
if (!extra_conf_tables)
return 0;
insert_pos = -1;
for (i = 0; insert_pos < 0 && i < conf_tables_num; i++) {
if (extra_conf_tables[i].name && strcmp(name, extra_conf_tables[i].name) == 0) {
ci_debug_printf(1,"Config table :%s already exists!\n", name);
return 0;
} else if (extra_conf_tables[i].name == NULL) { /*empty pos use this one*/
insert_pos = i;
}
}
if (insert_pos < 0) { /*if not empry pos found add it to the end*/
insert_pos = conf_tables_num;
if (conf_tables_num == conf_tables_list_size) {
/*tables list is full, reallocating space ...... */
if (NULL ==
(new =
realloc(extra_conf_tables, sizeof(struct sub_table)*(conf_tables_list_size + STEPSIZE))))
return 0;
extra_conf_tables = new;
conf_tables_list_size += STEPSIZE;
}
conf_tables_num++;
}
ci_debug_printf(10, "Registering conf table: %s\n", name);
extra_conf_tables[insert_pos].name = name; /*It works. Points to the modules.name. (????) */
extra_conf_tables[insert_pos].type = type;
extra_conf_tables[insert_pos].conf_table = table;
return 1;
}
struct ci_conf_entry *unregister_conf_table(const char *name)
{
int i;
struct ci_conf_entry *table;
if (extra_conf_tables) { /*Not really needed........ */
for (i = 0; i < conf_tables_num; i++) {
if (extra_conf_tables[i].name && strcmp(name, extra_conf_tables[i].name) == 0) {
table = extra_conf_tables[i].conf_table;
extra_conf_tables[i].name = NULL;
extra_conf_tables[i].type = 0;
extra_conf_tables[i].conf_table = NULL;
return table;
}
}
}
ci_debug_printf(1, "Table %s not found!\n", name);
return NULL;
}
struct ci_conf_entry *search_variables(char *table, char *varname)
{
int i;
if (table == NULL)
return search_conf_table(conf_variables, varname);
ci_debug_printf(3, "Going to search variable %s in table %s\n", varname,
table);
if (!extra_conf_tables) /*Not really needed........ */
return NULL;
for (i = 0; i < conf_tables_num; i++) {
if (extra_conf_tables[i].name && strcmp(table, extra_conf_tables[i].name) == 0) {
return search_conf_table(extra_conf_tables[i].conf_table,
varname);
}
}
ci_debug_printf(1, "Variable %s or table %s not found!\n", varname, table);
return NULL;
}
void print_conf_variables(struct ci_conf_entry *table)
{
int i;
for (i = 0; table[i].name != NULL; i++) {
ci_debug_printf(9, "%s=", table[i].name);
if (!table[i].data) {
ci_debug_printf(9, "\n");
} else if (table[i].action == intl_cfg_set_str) {
if (*(char *) table[i].data) {
ci_debug_printf(9, "%s\n", *(char **) table[i].data);
} else {
ci_debug_printf(9, "\n");
}
} else if (table[i].action == intl_cfg_set_int) {
ci_debug_printf(9, "%d\n", *(int *) table[i].data);
} else if (table[i].action == intl_cfg_size_off) {
ci_debug_printf(9, "%" PRINTF_OFF_T "\n",
(CAST_OFF_T) *(ci_off_t *) table[i].data);
} else if (table[i].action == intl_cfg_size_long) {
ci_debug_printf(9, "%ld\n", *(long *) table[i].data);
} else if (table[i].action == intl_cfg_onoff) {
ci_debug_printf(9, "%d\n", *(int *) table[i].data);
} else if (table[i].action == intl_cfg_enable) {
ci_debug_printf(9, "%d\n", *(int *) table[i].data);
} else if (table[i].action == intl_cfg_disable) {
ci_debug_printf(9, "%d\n", *(int *) table[i].data);
} else if (table[i].data) {
ci_debug_printf(9, "%p\n", table[i].data);
}
}
}
int print_variables()
{
int i;
ci_debug_printf(9, "\n\nPrinting variables\n");
print_conf_variables(conf_variables);
if (!extra_conf_tables) /*Not really needed........ */
return 1;
for (i = 0; i < conf_tables_num; i++) {
if ( extra_conf_tables[i].name) {
ci_debug_printf(9, "Printing variables in table %s\n",
extra_conf_tables[i].name);
print_conf_variables(extra_conf_tables[i].conf_table);
}
}
return 1;
}
/************************************************************************/
/* Set variables functions */
/*
The following tree functions refered to non constant variables so
the compilers in Win32 have problem to appeared in static arrays
*/
int cfg_set_port(const char *directive, const char **argv, void *setdata)
{
int i;
char *s, *addr, *connect_port;
ci_port_t *pcfg = NULL;
ci_port_t tmpP;
ci_vector_t **port_configs = (ci_vector_t **)setdata;
if (argv == NULL || argv[0] == NULL) {
ci_debug_printf(1, "Missing arguments in %s directive\n", directive);
return 0;
}
if (!*port_configs)
*port_configs = ci_vector_create(2048);
memset(&tmpP, 0, sizeof(ci_port_t));
pcfg = (ci_port_t *)ci_vector_add(*port_configs, (void *)&tmpP, sizeof(ci_port_t));
if (!pcfg) {
ci_debug_printf(1, "Maximum number of configured ports is reached\n");
return 0;
}
pcfg->accept_socket = CI_SOCKET_INVALID;
connect_port = strdup(argv[0]);
if ((s = strrchr(connect_port, ':'))) {
*s = '\0';
addr = connect_port;
if (*addr == '[') {
if (addr[strlen(addr) - 1] != ']') {
free(connect_port);
ci_debug_printf(1, "Failed to parse listen address: %s\n", addr);
return 0;
}
++addr;
addr[strlen(addr) - 1] = '\0';
}
pcfg->address = strdup(addr);
s++;
} else
s = connect_port;
pcfg->port = atoi(s);
free(connect_port);
connect_port = s = NULL;
if (pcfg->port <= 0) {
ci_debug_printf(1, "Failed to parse %s (parsed port number:%d)\n", directive, pcfg->port);
return 0;
}
if (!argv[1])
return 1;
#ifdef USE_OPENSSL
int isTls = (strcmp(directive, "TlsPort") == 0 || strcmp(directive, "SslPort") == 0) ? 1 : 0;
CI_CONF.TLS_ENABLED = 1;
pcfg->tls_enabled = 1;
#endif
for (i = 1; argv[i] != NULL; ++i) {
#ifdef USE_OPENSSL
if (isTls && icap_port_tls_option(argv[i], pcfg, CI_CONFDIR)) {
} else
#endif
{
ci_debug_printf(1, "Unknown %s option: '%s'", directive, argv[i]);
return 0;
}
}
return 1;
}
int cfg_set_debug_level(const char *directive, const char **argv, void *setdata)
{
if (!DebugLevelSetFromCmd)
return intl_cfg_set_int(directive, argv, &CI_DEBUG_LEVEL);
/*else ignore ....*/
return 1;
}
int cfg_set_debug_level_cmd(const char *directive, const char **argv, void *setdata)
{
DebugLevelSetFromCmd = 1;
return intl_cfg_set_int(directive, argv, &CI_DEBUG_LEVEL);
}
int cfg_set_debug_stdout(const char *directive, const char **argv, void *setdata)
{
return intl_cfg_enable(directive, argv, &CI_DEBUG_STDOUT);
}
int cfg_set_body_maxmem(const char *directive, const char **argv, void *setdata)
{
return intl_cfg_size_long(directive, argv, &CI_BODY_MAX_MEM);
}
int cfg_load_service(const char *directive, const char **argv, void *setdata)
{
ci_service_module_t *service = NULL;
if (argv == NULL || argv[0] == NULL || argv[1] == NULL) {
ci_debug_printf(1, "Missing arguments in LoadService directive\n");
return 0;
}
ci_debug_printf(2, "Loading service: %s path %s\n", argv[0], argv[1]);
if (!(service = register_service(argv[1], argv + 2))) {
ci_debug_printf(1, "Error loading service %s\n", argv[1]);
return 0;
}
add_service_alias(argv[0], service->mod_name, NULL);
return 1;
}
int cfg_service_alias(const char *directive, const char **argv, void *setdata)
{
char *service_args = NULL;
if (argv == NULL || argv[0] == NULL || argv[1] == NULL) {
ci_debug_printf(1, "Missing arguments in ServiceAlias directive\n");
return 0;
}
if ((service_args = strchr(argv[1], '?'))) {
*service_args = '\0';
service_args++;
}
ci_debug_printf(2, "Alias: %s of service %s\n", argv[0], argv[1]);
add_service_alias(argv[0], argv[1], service_args);
return 1;
}
int cfg_load_module(const char *directive, const char **argv, void *setdata)
{
if (argv == NULL || argv[0] == NULL || argv[1] == NULL) {
ci_debug_printf(1, "Missing arguments in LoadModule directive\n");
return 0;
}
ci_debug_printf(2, "Loading service: %s path %s\n", argv[0], argv[1]);
if (!register_module(argv[1], argv[0], argv + 2)) {
ci_debug_printf(1, "Error loading module %s, module path %s\n", argv[1], argv[0]);
return 0;
}
return 1;
}
int cfg_load_magicfile(const char *directive, const char **argv, void *setdata)
{
const char *db_file;
struct ci_magics_db *ndb;
if (argv == NULL || argv[0] == NULL) {
return 0;
}
db_file = argv[0];
if (strcmp(CI_CONF.magics_file, db_file) == 0) {
ci_debug_printf(2, "The db file %s is the same as default. Ignoring...\n", db_file);
return 1;
}
ci_debug_printf(2, "Going to load magic file %s\n", db_file);
ndb = ci_magic_db_load(db_file);
if (!ndb) {
ci_debug_printf(1, "Can not load magic file %s!!!\n", db_file);
return 0;
}
if (!CI_CONF.MAGIC_DB)
CI_CONF.MAGIC_DB = ndb;
return 1;
}
int logformat_add(const char *name, const char *format);
int cfg_set_logformat(const char *directive, const char **argv, void *setdata)
{
if (argv == NULL || argv[0] == NULL || argv[1] == NULL) {
ci_debug_printf(1, "Missing arguments in directive %s\n", directive);
return 0;
}
ci_debug_printf(2, "Adding the logformat %s: %s\n",argv[0],argv[1]);
return logformat_add(argv[0], argv[1]);
}
int file_log_addlogfile(const char *file, const char *format, const char **acls);
int cfg_set_accesslog(const char *directive, const char **argv, void *setdata)
{
const char **acls = NULL;
if (argv == NULL || argv[0] == NULL ) {
ci_debug_printf(1, "Missing arguments in directive %s\n", directive);
return 0;
}
if (argv[1] != NULL && argv[2] !=NULL) {
acls = argv+2;
}
ci_debug_printf(2, "Adding the access logfile %s\n",argv[0]);
return file_log_addlogfile(argv[0], argv[1], acls);
}
extern logger_module_t file_logger;
int cfg_set_logger(const char *directive, const char **argv, void *setdata)
{
logger_module_t *logger;
if (argv == NULL || argv[0] == NULL) {
ci_debug_printf(1, "Missing arguments in directive\n");
return 0;
}
if (!(logger = find_logger(argv[0])))
return 0;
default_logger = logger;
ci_debug_printf(2, "Setting parameter: %s=%s\n", directive, argv[0]);
return 1;
}
int cfg_set_tmp_dir(const char *directive, const char **argv, void *setdata)
{
int len;
if (argv == NULL || argv[0] == NULL) {
return 0;
}
cfg_default_value_store(&CI_CONF.TMPDIR, &CI_CONF.TMPDIR, sizeof(char *));
len = strlen(argv[0]);
CI_CONF.TMPDIR = ci_cfg_alloc_mem((len + 2) * sizeof(char));
strcpy(CI_CONF.TMPDIR, argv[0]);
#ifdef _WIN32
if (CI_CONF.TMPDIR[len] != '\\') {
CI_CONF.TMPDIR[len] = '\\';
CI_CONF.TMPDIR[len + 1] = '\0';
}
#else
if (CI_CONF.TMPDIR[len] != '/') {
CI_CONF.TMPDIR[len] = '/';
CI_CONF.TMPDIR[len + 1] = '\0';
}
#endif
/*Check if tmpdir exists. If no try to build it , report an error and uses the default... */
CI_TMPDIR = CI_CONF.TMPDIR; /*Sets the library's temporary dir to .... */
ci_debug_printf(2, "Setting parameter: %s=%s\n", directive, argv[0]);
return 1;
}
int cfg_set_acl_controllers(const char *directive, const char **argv, void *setdata)
{
int i, k, argc, ret;
access_control_module_t *acl_mod;
if (argv == NULL || argv[0] == NULL) {
return 0;
}
if (strncasecmp(argv[0], "none", 4) == 0) {
used_access_controllers = NULL;
return 1;
}
for (argc = 0; argv[argc] != NULL; argc++); /*Find the number of acl controllers */
used_access_controllers =
ci_cfg_alloc_mem((argc+1) * sizeof(access_control_module_t *));
k = 0;
ret = 1;
for (i = 0; i < argc; i++) {
if ((acl_mod = find_access_controller(argv[i])) != NULL) {
used_access_controllers[k++] = acl_mod;
} else {
ci_debug_printf(1, "No access controller with name :%s\n",
argv[i]);
ret = 0;
}
}
used_access_controllers[k] = NULL;
return ret;
}
int cfg_set_auth_method(const char *directive, const char **argv, void *setdata)
{
const char *method = NULL;
if (argv == NULL || argv[0] == NULL || argv[1] == NULL) {
return 0;
}
method = argv[0];
if (strncasecmp(argv[1], "none", 4) == 0) {
return set_method_authenticators(method, NULL);
}
return set_method_authenticators(method, (const char **)argv + 1);
}
int cfg_acl_add(const char *directive, const char **argv, void *setdata)
{
const char *acl_name, *acl_type;
int argc, ok;
if (!argv[0] || !argv[1] || !argv[2]) /* at least an argument */
return 0;
acl_name = argv[0];
acl_type = argv[1];
for (argc = 2, ok =1; argv[argc] != NULL && ok; argc++) {
ci_debug_printf(2, "Adding to acl %s the data %s\n", acl_name, argv[argc]);
ok = ci_acl_add_data(acl_name, acl_type, argv[argc]);
}
ci_debug_printf(2, "New ACL with name:%s and ACL Type: %s\n", argv[0], argv[1]);
return ok;
}
int cfg_include_config_file(const char *directive, const char **argv, void *setdata)
{
char path[CI_MAX_PATH];
const char *cfg_file;
if (argv == NULL || argv[0] == NULL) {
return 0;
}
cfg_file = argv[0];
if (cfg_file[0] != '/') { /*Win32 code? */
snprintf(path, CI_MAX_PATH, CI_CONFDIR "/%s", cfg_file);
path[CI_MAX_PATH - 1] = '\0';
cfg_file = path;
}
ci_debug_printf(2, "\n*** Going to open config file %s ***\n", cfg_file);
return parse_file(cfg_file);
}
int group_source_add_by_group(const char *table_name);
int group_source_add_by_user(const char *table_name);
int cfg_group_source_by_group(const char *directive, const char **argv, void *setdata)
{
const char *group_table = NULL;
if (argv == NULL || argv[0] == NULL) {
return 0;
}
group_table = argv[0];
return group_source_add_by_group(group_table);
}
int cfg_group_source_by_user(const char *directive, const char **argv, void *setdata)
{
const char *group_table = NULL;
if (argv == NULL || argv[0] == NULL) {
return 0;
}
group_table = argv[0];
return group_source_add_by_user(group_table);
}
int cfg_shared_mem_scheme(const char *directive, const char **argv, void *setdata)
{
if (argv == NULL || argv[0] == NULL) {
return 0;
}
return ci_shared_mem_set_scheme(argv[0]);
}
int cfg_proc_lock_scheme(const char *directive, const char **argv, void *setdata)
{
if (argv == NULL || argv[0] == NULL) {
return 0;
}
return ci_proc_mutex_set_scheme(argv[0]);
}
int cfg_set_template_dir(const char *directive, const char **argv, void *setdata)
{
return intl_cfg_set_str(directive, argv, &TEMPLATE_DIR);
}
int cfg_set_template_default_lang(const char *directive, const char **argv, void *setdata)
{
return intl_cfg_set_str(directive, argv, &TEMPLATE_DEF_LANG);
}
int cfg_set_template_reload_time(const char *directive, const char **argv, void *setdata)
{
return intl_cfg_set_int(directive, argv, &TEMPLATE_RELOAD_TIME);
}
int cfg_set_template_cache_size(const char *directive, const char **argv, void *setdata)
{
return intl_cfg_set_str(directive, argv, &TEMPLATE_CACHE_SIZE);
}
int cfg_set_template_membuf_size(const char *directive, const char **argv, void *setdata)
{
return intl_cfg_set_str(directive, argv, &TEMPLATE_MEMBUF_SIZE);
}
/**************************************************************************/
/* Parse file functions */
int fread_line(FILE * f_conf, char *line)
{
if (!fgets(line, LINESIZE, f_conf)) {
if (feof(f_conf)) {
line[0] = '\0';
return -1;
} else
return 0;
}
if (strlen(line) >= LINESIZE - 2 && line[LINESIZE - 2] != '\n') { //Size of line > LINESIZE
while (!feof(f_conf)) {
if (fgetc(f_conf) == '\n')
return 1;
}
return 0;
}
return 1;
}
struct ci_conf_entry *find_action(char *str, char **arg)
{
char *end, *table, *s;
end = str;
while (*end != '\0' && !isspace(*end))
end++;
*end = '\0'; /*Mark the end of Variable...... */
end++; /*... and continue.... */
while (*end != '\0' && isspace(*end)) /*Find the start of arguments ...... */
end++;
*arg = end;
if ((s = strchr(str, '.')) != NULL) {
table = str;
str = s + 1;
*s = '\0';
} else
table = NULL;
// return search_conf_table(conf_variables,str);
return search_variables(table, str);
}
char **split_args(char *args)
{
int len, i = 0, brkt;
char **argv = NULL, *str, *end, *p;
argv = malloc((MAX_ARGS + 1) * sizeof(char *));
end = args;
do {
str = end;
if (*end == '"') {
end++;
str = end;
while (*end != '\0' && *end != '"') {
/*support escaped \" */
if (*end == '\\' && *(end+1) == '"') {
for (p = end; *p != '\0'; p++)
*p = *(p+1);
}
end++;
}
} else {
/*Support arguments in the form arg{a, b...}*/
brkt = 0;
while (*end != '\0' && (!isspace(*end) || brkt)) {
if (*end == '{') brkt = 1;
else if (brkt && *end == '}') brkt = 0;
end++;
}
}
len = end - str;
argv[i] = malloc((len + 1) * sizeof(char));
memcpy(argv[i], str, len); /*copy until len or end of string */
argv[i][len] = '\0';
++i;
if (i >= MAX_ARGS)
break;
if (*end == '"')
end++;
while (*end != '\0' && isspace(*end))
end++;
} while (*end != '\0');
argv[i] = NULL;
return argv;
}
void free_args(char **argv)
{
int i;
if (argv == NULL)
return;
for (i = 0; argv[i] != NULL; i++) {
free(argv[i]);
argv[i] = NULL;
}
free(argv);
}
int process_line(char *orig_line)
{
char *str, *args, **argv = NULL;
int ret = 1;
struct ci_conf_entry *entry;
char line[LINESIZE];
strncpy(line, orig_line, LINESIZE);
line[LINESIZE-1] = '\0';
str = line;
while (*str != '\0' && isspace(*str)) /*Eat the spaces in the begging */
str++;
if (*str == '\0' || *str == '#') /*Empty line or comment */
return 1;
entry = find_action(str, &args);
// ci_debug_printf(10,"Line %s (Args:%s)\n",entry->name,args);
if (entry && entry->action) {
argv = split_args(args);
if ((*(entry->action)) (entry->name, (const char **)argv, entry->data) == 0)
ret = 0;
free_args(argv);
return ret;
}
/*OK*/
/*Else parse error.......
Log an error..... */
return 0;
}
static int PARSE_LEVEL = 0;
int parse_file(const char *conf_file)
{
FILE *f_conf;
char line[LINESIZE];
int line_count, ret_value;
if (PARSE_LEVEL >= MAX_INCLUDE_LEVEL) {
ci_debug_printf(1, "Include level > %d. I will not parse file:%s\n",
MAX_INCLUDE_LEVEL,
conf_file);
return 0;
}
if ((f_conf = fopen(conf_file, "r")) == NULL) {
//or log_server better........
ci_debug_printf(1, "Can not open configuration file %s\n", conf_file);
return 0;
}
line_count = 0;
ret_value = 1;
PARSE_LEVEL++;
while (!feof(f_conf)) {
line_count++;
if (!fread_line(f_conf, line) || !process_line(line)) {
ci_debug_printf(1, "Fatal error while parsing config file: \"%s\" line: %d\n",
conf_file, line_count);
ci_debug_printf(1, "The line is: %s\n", line);
ret_value = 0;
}
}
fclose(f_conf);
PARSE_LEVEL--;
return ret_value;
}
/****************************************************************/
/* Command line options implementation, function and structures */
/* #ifdef _WIN32 */
/* #define opt_pre "/" */
/* #else */
#define opt_pre "-"
/* #endif */
static struct ci_options_entry options[] = {
{opt_pre "V", NULL, &VERSION_MODE, ci_cfg_version, "Print c-icap version and exits"},
{opt_pre "VV", NULL, &VERSION_MODE, ci_cfg_build_info, "Print c-icap version and build informations and exits"},
{
opt_pre "f", "filename", &CI_CONF.cfg_file, ci_cfg_set_str,
"Specify the configuration file"
},
{opt_pre "N", NULL, &DAEMON_MODE, ci_cfg_disable, "Do not run as daemon"},
{
opt_pre "d", "level", NULL, cfg_set_debug_level_cmd,
"Specify the debug level"
},
{
opt_pre "D", NULL, NULL, cfg_set_debug_stdout,
"Print debug info to stdout"
},
{opt_pre "h", NULL, &HELP_MODE, ci_cfg_enable, "Do not run as daemon"},
{NULL, NULL, NULL, NULL}
};
int config(int argc, char **argv)
{
ARGC = argc;
ARGV = argv;
ci_cfg_lib_init();
if (!ci_args_apply(argc, argv, options)) {
ci_debug_printf(1, "Error in command line options\n");
ci_args_usage(argv[0], options);
exit(-1);
}