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/*
Copyright (C) 1999-2004 IC & S dbmail@ic-s.nl
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* $Id$
* \file config.c
* \brief read configuration values from a config file
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "dbmail.h"
#include "debug.h"
/* include for iniparser */
#include "lib/iniparser-2.14/src/iniparser.h"
#include <glib.h>
#include <assert.h>
#include <errno.h>
/** dictionary which holds the configuration */
static dictionary *config_dict = NULL;
static int configured = 0;
/**
* read the configuration file and stores the configuration
* directives in an internal structure.
*/
int config_read(const char *config_filename)
{
char *config_filename_copy;
int result = 0;
if (configured++)
return 0;
assert(config_filename != NULL);
config_filename_copy = g_strdup(config_filename);
config_dict = iniparser_load(config_filename_copy);
if (config_dict == NULL) {
trace(CONFIG_ERROR_LEVEL, "%s,%s: error reading "
"config file %s", __FILE__, __func__,
config_filename);
result = -1;
}
g_free(config_filename_copy);
return result;
}
/**
* free all memory related to config
*/
void config_free(void)
{
if (--configured)
return;
iniparser_freedict(config_dict);
}
/* FIXME: Always returns 0, which is dandy for debugging. */
int config_get_value(const field_t field_name,
const char * const service_name,
field_t value) {
char *dict_value;
char *key;
assert(service_name);
assert(config_dict);
key = g_strdup_printf("%s:%s", service_name, field_name);
dict_value = iniparser_getstring(config_dict, key, NULL);
if (dict_value)
g_strlcpy(value, dict_value, FIELDSIZE);
else
value[0] = '\0';
g_free(key);
return 0;
}
void SetTraceLevel(const char *service_name)
{
field_t val;
if (config_get_value("trace_level", service_name, val) < 0)
trace(TRACE_FATAL, "%s,%s: error getting config!",
__FILE__, __func__);
if (strlen(val) == 0)
configure_debug(TRACE_ERROR, 1, 0);
else
configure_debug(atoi(val), 1, 0);
}
void GetDBParams(db_param_t * db_params)
{
field_t port_string, sock_string, serverid_string;
if (config_get_value("host", "DBMAIL", db_params->host) < 0)
trace(TRACE_FATAL, "%s,%s: error getting config!",
__FILE__, __func__);
if (config_get_value("db", "DBMAIL", db_params->db) < 0)
trace(TRACE_FATAL, "%s,%s: error getting config!",
__FILE__, __func__);
if (config_get_value("user", "DBMAIL", db_params->user) < 0)
trace(TRACE_FATAL, "%s,%s: error getting config!",
__FILE__, __func__);
if (config_get_value("pass", "DBMAIL", db_params->pass) < 0)
trace(TRACE_FATAL, "%s,%s: error getting config!",
__FILE__, __func__);
if (config_get_value("sqlport", "DBMAIL", port_string) < 0)
trace(TRACE_FATAL, "%s,%s: error getting config!",
__FILE__, __func__);
if (config_get_value("sqlsocket", "DBMAIL", sock_string) < 0)
trace(TRACE_FATAL, "%s,%s: error getting config!",
__FILE__, __func__);
if (config_get_value("serverid", "DBMAIL", serverid_string) < 0)
trace(TRACE_FATAL, "%s,%s: error getting config!",
__FILE__, __func__);
if (config_get_value("table_prefix", "DBMAIL", db_params->pfx) < 0)
trace(TRACE_FATAL, "%s,%s: error getting config!",
__FILE__, __func__);
if (strcmp(db_params->pfx, "\"\"") == 0) {
/* FIXME: It appears that when the empty string is quoted
* that the quotes themselves are returned as the value. */
g_strlcpy(db_params->pfx, "", FIELDSIZE);
} else if (strlen(db_params->pfx) == 0) {
/* If it's not "" but is zero length, set the default. */
g_strlcpy(db_params->pfx, DEFAULT_DBPFX, FIELDSIZE);
}
/* check if port_string holds a value */
if (strlen(port_string) != 0) {
db_params->port =
(unsigned int) strtoul(port_string, NULL, 10);
if (errno == EINVAL || errno == ERANGE)
trace(TRACE_FATAL,
"%s,%s: wrong value for sqlport in "
"config file", __FILE__, __func__);
} else
db_params->port = 0;
/* same for sock_string */
if (strlen(sock_string) != 0)
g_strlcpy(db_params->sock, sock_string, FIELDSIZE);
else
db_params->sock[0] = '\0';
/* and serverid */
if (strlen(serverid_string) != 0) {
db_params->serverid = (unsigned int) strtol(serverid_string, NULL, 10);
if (errno == EINVAL || errno == ERANGE)
trace(TRACE_FATAL, "%s,%s: serverid invalid in config file",
__FILE__, __func__);
} else {
db_params->serverid = 1;
}
}
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