bt-67xx_universal_hw/thirdparty/FreeRadius/lib/config.c

/*
 * $Id: config.c,v 1.23 2010/04/28 14:26:15 aland Exp $
 *
 * Copyright (C) 1995,1996,1997 Lars Fenneberg
 *
 * Copyright 1992 Livingston Enterprises, Inc.
 *
 * Copyright 1992,1993, 1994,1995 The Regents of the University of Michigan
 * and Merit Network, Inc. All Rights Reserved
 *
 * See the file COPYRIGHT for the respective terms and conditions.
 * If the file is missing contact me at lf@elemental.net
 * and I'll send you a copy.
 *
 */

#include <radius_config.h>
#include <includes.h>
#include <freeradius-client.h>
#include <fr_options.h>
#include "util.h"

extern OPTION      rcOptions;

/** Find an option in the option list
 *
 * @param rh a handle to parsed configuration.
 * @param optname the name of the option.
 * @param type the option type.
 * @return pointer to option on success, NULL otherwise.
 */
static OPTION *find_option(rc_handle const *rh, char const *optname, unsigned int type)
{
	int 	i;

	/* there're so few options that a binary search seems not necessary */
	for (i = 0; i < NUM_OPTIONS; i++) {
		if (!strcmp(rh->config_options[i].name, optname) &&
		    (rh->config_options[i].type & type))
		{
		    	return &rh->config_options[i];
		}
	}

	return NULL;
}

/** Set a specific option doing type conversions
 *
 * @param filename the name of the config file (for logging purposes).
 * @param line the line number in the file.
 * @param p Value.
 * @return 0 on success, -1 on failure.
 */
static int set_option_str(char const *filename, int line, OPTION *option, char const *p)
{
	if (p) {
		option->val = (void *) strdup(p);
		if (option->val == NULL) {
			rc_log(LOG_CRIT, "read_config: out of memory");
			return -1;
		}
	} else {
		option->val = NULL;
	}

	return 0;
}

static int set_option_int(char const *filename, int line, OPTION *option, char const *p)
{
	int *iptr;

	if (p == NULL) {
		rc_log(LOG_ERR, "%s: line %d: bogus option value", filename, line);
		return -1;
	}

	if ((iptr = malloc(sizeof(*iptr))) == NULL) {
		rc_log(LOG_CRIT, "read_config: out of memory");
		return -1;
	}

	*iptr = atoi(p);
	option->val = (void *) iptr;

	return 0;
}

static int set_option_srv(char const *filename, int line, OPTION *option, char const *p)
{
#if 0  
	SERVER *serv;
	char *p_pointer;
	char *p_dupe;
	char *p_save;
	char *q;
	char *s;
	struct servent *svp;

	p_dupe = strdup(p);

	if (p_dupe == NULL) {
		rc_log(LOG_ERR, "%s: line %d: Invalid option or memory failure", filename, line);
		return -1;
	}

	serv = (SERVER *) option->val;
	if (serv == NULL) {
		DEBUG(LOG_ERR, "option->val / server is NULL, allocating memory");
		serv = malloc(sizeof(*serv));
		if (serv == NULL) {
			rc_log(LOG_CRIT, "read_config: out of memory");
			free(p_dupe);
			return -1;
		}
		memset(serv, 0, sizeof(*serv));
		serv->max = 0;
	}

	p_pointer = strtok_r(p_dupe, ", \t", &p_save);

	/* check to see for '[IPv6]:port' syntax */
	if ((q = strchr(p_pointer,'[')) != NULL) {
		*q = '\0';
		q++;
		p_pointer = q;

		q = strchr(p_pointer, ']');
		if (q == NULL) {
			free(p_dupe);
			rc_log(LOG_CRIT, "read_config: IPv6 parse error");
			return -1;
		}
		*q = '\0';
		q++;

		if (q[0] == ':') {
			q++;
		}

		/* Check to see if we have '[IPv6]:port:secret' syntax */
		if((s=strchr(q, ':')) != NULL) {
			*s = '\0';
			s++;
			serv->secret[serv->max] = strdup(s);
			if (serv->secret[serv->max] == NULL) {
				rc_log(LOG_CRIT, "read_config: out of memory");
				if (option->val == NULL) {
					free(p_dupe);
					free(serv);
				}
				return -1;
			}
		}

	} else /* Check to see if we have 'servername:port' syntax */
	if ((q = strchr(p_pointer,':')) != NULL) {
		*q = '\0';
		q++;

		/* Check to see if we have 'servername:port:secret' syntax */
		if((s = strchr(q,':')) != NULL) {
			*s = '\0';
			s++;
			serv->secret[serv->max] = strdup(s);
			if (serv->secret[serv->max] == NULL) {
				rc_log(LOG_CRIT, "read_config: out of memory");
				if (option->val == NULL) {
					free(p_dupe);
					free(serv);
				}
				return -1;
			}
		}
	}

	if(q && strlen(q) > 0) {
		serv->port[serv->max] = atoi(q);
	} else {
		if (!strcmp(option->name,"authserver"))
			if ((svp = getservbyname ("radius", "udp")) == NULL)
				serv->port[serv->max] = PW_AUTH_UDP_PORT;
			else
				serv->port[serv->max] = ntohs ((unsigned int) svp->s_port);
		else if (!strcmp(option->name, "acctserver"))
			if ((svp = getservbyname ("radacct", "udp")) == NULL)
				serv->port[serv->max] = PW_ACCT_UDP_PORT;
			else
				serv->port[serv->max] = ntohs ((unsigned int) svp->s_port);
		else {
			rc_log(LOG_ERR, "%s: line %d: no default port for %s", filename, line, option->name);
			if (option->val == NULL) {
				free(p_dupe);
				free(serv);
			}
			return -1;
		}
	}

	serv->name[serv->max] = strdup(p_pointer);
	if (serv->name[serv->max] == NULL) {
		rc_log(LOG_CRIT, "read_config: out of memory");
		if (option->val == NULL) {
			free(p_dupe);
			free(serv);
		}
		return -1;
	}
	free(p_dupe);

	serv->deadtime_ends[serv->max] = -1;
	serv->max++;

	if (option->val == NULL)
		option->val = (void *)serv;
#endif
	return 0;

}

static int set_option_auo(char const *filename, int line, OPTION *option, char const *p)
{
	int *iptr;
	char *p_dupe = NULL;
	char *p_pointer = NULL;
	char *p_save = NULL;

	p_dupe = strdup(p);

	if (p_dupe == NULL) {
		rc_log(LOG_WARNING, "%s: line %d: bogus option value", filename, line);
		return -1;
	}

	if ((iptr = malloc(sizeof(iptr))) == NULL) {
			rc_log(LOG_CRIT, "read_config: out of memory");
			free(p_dupe);
			return -1;
	}

	*iptr = 0;
	p_pointer = strtok_r(p_dupe, ", \t", &p_save);

	if (!strncmp(p_pointer, "local", 5))
			*iptr = AUTH_LOCAL_FST;
	else if (!strncmp(p_pointer, "radius", 6))
			*iptr = AUTH_RADIUS_FST;
	else {
		rc_log(LOG_ERR,"%s: auth_order: unknown keyword: %s", filename, p);
		free(iptr);
		free(p_dupe);
		return -1;
	}

	p_pointer = strtok_r(NULL, ", \t", &p_save);

	if (p_pointer && (*p_pointer != '\0')) {
		if ((*iptr & AUTH_RADIUS_FST) && !strcmp(p_pointer, "local"))
			*iptr = (*iptr) | AUTH_LOCAL_SND;
		else if ((*iptr & AUTH_LOCAL_FST) && !strcmp(p_pointer, "radius"))
			*iptr = (*iptr) | AUTH_RADIUS_SND;
		else {
			rc_log(LOG_ERR,"%s: auth_order: unknown or unexpected keyword: %s", filename, p);
			free(iptr);
			free(p_dupe);
			return -1;
		}
	}

	option->val = (void *) iptr;

	free(p_dupe);
	return 0;
}

/** Allow a config option to be added to rc_handle from inside a program
 *
 * @param rh a handle to parsed configuration.
 * @param option_name the name of the option.
 * @param option_val the value to be added.
 * @param source typically should be %__FILE__ or %__func__ for logging purposes.
 * @param line %__LINE__ for logging purposes.
 * @return 0 on success, -1 on failure.
 */
int rc_add_config(rc_handle *rh, char const *option_name, char const *option_val, char const *source, int line)
{
	OPTION *option;

	if ((option = find_option(rh, option_name, OT_ANY)) == NULL)
	{
		rc_log(LOG_ERR, "ERROR: unrecognized option: %s", option_name);
		return -1;
	}

	if (option->status != ST_UNDEF)
	{
		rc_log(LOG_ERR, "ERROR: duplicate option: %s", option_name);
		return -1;
	}

	switch (option->type) {
		case OT_STR:
			if (set_option_str(source, line, option, option_val) < 0) {
				return -1;
			}
			break;
		case OT_INT:
			if (set_option_int(source, line, option, option_val) < 0) {
				return -1;
			}
			break;
		case OT_SRV:
			if (set_option_srv(source, line, option, option_val) < 0) {
				return -1;
			}
			break;
		case OT_AUO:
			if (set_option_auo(source, line, option, option_val) < 0) {
				return -1;
			}
			break;
		default:
			rc_log(LOG_CRIT, "rc_add_config: impossible case branch!");
			abort();
	}

	if (strcmp(option->name, "bindaddr") == 0) {
		memset(&rh->own_bind_addr, 0, sizeof(rh->own_bind_addr));
		rh->own_bind_addr_set = 0;
		rc_own_bind_addr(rh, &rh->own_bind_addr);
		rh->own_bind_addr_set = 1;
	}

	return 0;
}

/** Initialise a configuration structure
 *
 * Initialize the configuration structure from an external program.  For use when not
 * running a standalone client that reads from a config file.
 *
 * @param rh a handle to parsed configuration.
 * @return rc_handle on success, NULL on failure.
 */
rc_handle *rc_config_init(rc_handle *rh)
{
	int i;
	SERVER *authservers;
	SERVER *acctservers;
	OPTION *acct;
	OPTION *auth;

        rh->config_options = malloc(sizeof(config_options_default));
        if (rh->config_options == NULL)
	{
                rc_log(LOG_CRIT, "rc_config_init: out of memory");
		rc_destroy(rh);
                return NULL;
        }
        memcpy(rh->config_options, &config_options_default, sizeof(config_options_default));

	acct = find_option(rh, "acctserver", OT_ANY);
	auth = find_option(rh, "authserver", OT_ANY);
	authservers = malloc(sizeof(SERVER));
	acctservers = malloc(sizeof(SERVER));

	if(authservers == NULL || acctservers == NULL)
	{
                rc_log(LOG_CRIT, "rc_config_init: error initializing server structs");
		rc_destroy(rh);
		if(authservers) free(authservers);
		if(acctservers) free(acctservers);
                return NULL;
	}


	authservers->max = 0;
	acctservers->max = 0;

	for(i=0; i < SERVER_MAX; i++)
	{
		authservers->name[i] = NULL;
		authservers->secret[i] = NULL;
		acctservers->name[i] = NULL;
		acctservers->secret[i] = NULL;
	}
	acct->val = acctservers;
	auth->val = authservers;
	return rh;
}

/** Read the global config file
 *
 * @param filename a name of a file.
 * @return new rc_handle on success, NULL when failure.
 */
void rc_read_config(rc_handle* rh)
{
    // TODO запускаем random generator
        
    rh->config_options = &rcOptions;
    
    //memcpy(rh->config_options, &config_options_default, sizeof(config_options_default));
}

#if 0
rc_handle *rc_read_config(char const *filename)
{
	FILE *configfd;
	char buffer[512], *p;
	OPTION *option;
	int line;
	size_t pos;
	rc_handle *rh;

	srandom((unsigned int)(time(NULL)+getpid()));

	rh = rc_new();
	if (rh == NULL)
		return NULL;

        rh->config_options = malloc(sizeof(config_options_default));
        if (rh->config_options == NULL) {
            rc_log(LOG_CRIT, "rc_read_config: out of memory");
            rc_destroy(rh);
            return NULL;
        }
        memcpy(rh->config_options, &config_options_default, sizeof(config_options_default));

	if ((configfd = fopen(filename,"r")) == NULL)
	{
		rc_log(LOG_ERR,"rc_read_config: can't open %s: %s", filename, strerror(errno));
		rc_destroy(rh);
		return NULL;
	}

	line = 0;
	while ((fgets(buffer, sizeof(buffer), configfd) != NULL))
	{
		line++;
		p = buffer;

		if ((*p == '\n') || (*p == '#') || (*p == '\0'))
			continue;

		p[strlen(p)-1] = '\0';


		if ((pos = strcspn(p, "\t ")) == 0) {
			rc_log(LOG_ERR, "%s: line %d: bogus format: %s", filename, line, p);
			fclose(configfd);
			rc_destroy(rh);
			return NULL;
		}

		p[pos] = '\0';

		if ((option = find_option(rh, p, OT_ANY)) == NULL) {
			rc_log(LOG_ERR, "%s: line %d: unrecognized keyword: %s", filename, line, p);
			fclose(configfd);
			rc_destroy(rh);
			return NULL;
		}

		if (option->status != ST_UNDEF) {
			rc_log(LOG_ERR, "%s: line %d: duplicate option line: %s", filename, line, p);
			fclose(configfd);
			rc_destroy(rh);
			return NULL;
		}

		p += pos+1;
		while (isspace(*p))
			p++;
		pos = strlen(p) - 1;
		while(pos != 0 && isspace(p[pos]))
			pos--;
		p[pos + 1] = '\0';

		switch (option->type) {
			case OT_STR:
				if (set_option_str(filename, line, option, p) < 0) {
					fclose(configfd);
					rc_destroy(rh);
				 	return NULL;
				}
				break;
			case OT_INT:
				if (set_option_int(filename, line, option, p) < 0) {
					fclose(configfd);
					rc_destroy(rh);
				 	return NULL;
				}
				break;
			case OT_SRV:
				if (set_option_srv(filename, line, option, p) < 0) {
					fclose(configfd);
					rc_destroy(rh);
				 	return NULL;
				}
				break;
			case OT_AUO:
				if (set_option_auo(filename, line, option, p) < 0) {
					fclose(configfd);
					rc_destroy(rh);
				 	return NULL;
				}
				break;
			default:
				rc_log(LOG_CRIT, "rc_read_config: impossible case branch!");
				abort();
		}
	}
	fclose(configfd);

	if (test_config(rh, filename) == -1) {
		rc_destroy(rh);
		return NULL;
	}
	return rh;
}
#endif

/** Get the value of a config option
 *
 * @param rh a handle to parsed configuration.
 * @param optname the name of an option.
 * @return config option value.
 */
char *rc_conf_str(rc_handle const *rh, char const *optname)
{
	OPTION *option;

	option = find_option(rh, optname, OT_STR);

	if (option != NULL) {
		return (char *)option->val;
	} else {
		rc_log(LOG_CRIT, "rc_conf_str: unkown config option requested: %s", optname);
		return NULL;
	}
}

/** Get the value of a config option
 *
 * @param rh a handle to parsed configuration.
 * @param optname the name of an option.
 * @return config option value.
 */
int rc_conf_int(rc_handle const *rh, char const *optname)
{
	OPTION *option;

	option = find_option(rh, optname, OT_INT|OT_AUO);

	if (option != NULL) {
		if (option->val) {
			return *((int *)option->val);
		} else {
			rc_log(LOG_ERR, "rc_conf_int: config option %s was not set", optname);
			return 0;
		}
	} else {
		rc_log(LOG_CRIT, "rc_conf_int: unkown config option requested: %s", optname);
		return 0;
	}
}

/** Get the value of a config option
 *
 * @param rh a handle to parsed configuration.
 * @param optname the name of an option.
 * @return config option value.
 */
SERVER *rc_conf_srv(rc_handle const *rh, char const *optname)
{
	OPTION *option;

	option = find_option(rh, optname, OT_SRV);

	if (option != NULL) {
		return (SERVER *)option->val;
	} else {
		rc_log(LOG_CRIT, "rc_conf_srv: unkown config option requested: %s", optname);
		return NULL;
	}
}

/** Tests the configuration the user supplied
 *
 * @param rh a handle to parsed configuration.
 * @param filename a name of a configuration file.
 * @return 0 on success, -1 when failure.
 */
int test_config(rc_handle const *rh, char const *filename)
{
	SERVER *srv;

	srv = rc_conf_srv(rh, "authserver");
	if (!srv || !srv->max)
	{
		rc_log(LOG_ERR,"%s: no authserver specified", filename);
		return -1;
	}

	srv = rc_conf_srv(rh, "acctserver");
	if (!srv || !srv->max)
	{
		rc_log(LOG_ERR,"%s: no acctserver specified", filename);
		return -1;
	}
	if (!rc_conf_str(rh, "servers"))
	{
		rc_log(LOG_ERR,"%s: no servers file specified", filename);
		return -1;
	}
	if (!rc_conf_str(rh, "dictionary"))
	{
		rc_log(LOG_ERR,"%s: no dictionary specified", filename);
		return -1;
	}

	if (rc_conf_int(rh, "radius_timeout") <= 0)
	{
		rc_log(LOG_ERR,"%s: radius_timeout <= 0 is illegal", filename);
		return -1;
	}
	if (rc_conf_int(rh, "radius_retries") <= 0)
	{
		rc_log(LOG_ERR,"%s: radius_retries <= 0 is illegal", filename);
		return -1;
	}
	if (rc_conf_int(rh, "radius_deadtime") < 0)
	{
		rc_log(LOG_ERR,"%s: radius_deadtime is illegal", filename);
		return -1;
	}
	if (rc_conf_int(rh, "login_tries") <= 0)
	{
		rc_log(LOG_ERR,"%s: login_tries <= 0 is illegal", filename);
		return -1;
	}
	if (rc_conf_int(rh, "login_timeout") <= 0)
	{
		rc_log(LOG_ERR,"%s: login_timeout <= 0 is illegal", filename);
		return -1;
	}
	if (rc_conf_str(rh, "mapfile") == NULL)
	{
		rc_log(LOG_ERR,"%s: mapfile not specified", filename);
		return -1;
	}
	if (rc_conf_str(rh, "nologin") == NULL)
	{
		rc_log(LOG_ERR,"%s: nologin not specified", filename);
		return -1;
	}

	return 0;
}

/** See if info matches hostname
 *
 * @param info a struct addrinfo
 * @param hostname the name of the host.
 * @return 0 on success, -1 when failure.
 */
static int find_match (const struct addrinfo* addr, const struct addrinfo *hostname)
{
#if 0  
	const struct addrinfo *ptr, *ptr2;
	unsigned len1, len2;

	ptr = addr;
	while(ptr) {
		ptr2 = hostname;
		while(ptr2) {
			len1 = SA_GET_INLEN(ptr->ai_addr);
			len2 = SA_GET_INLEN(ptr2->ai_addr);

			if (len1 > 0 && 
			    len1 == len2 && 
			    memcmp(SA_GET_INADDR(ptr->ai_addr), SA_GET_INADDR(ptr2->ai_addr), len1) == 0) {
				return 0;
			}
			ptr2 = ptr2->ai_next;
 		}
		ptr = ptr->ai_next;
 	}
#endif    
 	return -1;
}

/** Checks if provided address is local address
 *
 * @param addr an %AF_INET or %AF_INET6 address
 * @return 0 if local, 1 if not local, -1 on failure.
 */
static int rc_ipaddr_local(const struct sockaddr *addr)
{
#if 0  
	int temp_sock, res, serrno;
	struct sockaddr tmpaddr;

	memcpy(&tmpaddr, addr, SA_LEN(addr));

	temp_sock = socket(addr->sa_family, SOCK_DGRAM, 0);
	if (temp_sock == -1)
		return -1;

	if (addr->sa_family == AF_INET) {
		((struct sockaddr_in*)&tmpaddr)->sin_port = 0;
	} else {
		((struct sockaddr_in6*)&tmpaddr)->sin6_port = 0;
	}
	res = bind(temp_sock, &tmpaddr, SA_LEN(&tmpaddr));
	serrno = errno;
	close(temp_sock);
	if (res == 0)
		return 0;
	if (serrno == EADDRNOTAVAIL)
		return 1;
#endif    
	return -1;
}

/** Checks if provided name refers to ourselves
 *
 * @param info an addrinfo of the host to check
 * @return 0 if yes, 1 if no and -1 on failure.
 */
static int rc_is_myname(const struct addrinfo *info)
{
#if 0  
	const struct addrinfo *p;
	int	res;

	p = info;
	while(p != NULL) {
		res = rc_ipaddr_local(p->ai_addr);
		if (res == 0 || res == -1) {
 			return res;
		}
		p = p->ai_next;
 	}
#endif    
 	return 1;
}

/** Locate a server in the rh config or if not found, check for a servers file
 *
 * @param rh a handle to parsed configuration.
 * @param server_name the name of the server.
 * @param info: will hold a pointer to addrinfo
 * @param secret will hold the server's secret (of %MAX_SECRET_LENGTH).
 * @param flags %AUTH or %ACCT
 
 * @return 0 on success, -1 on failure.
 */
//int rc_find_server_addr(rc_handle const *, char const *, struct addrinfo **, char *, unsigned flags);

int rc_find_server_addr(rc_handle const *rh, char const *server_name,
                        struct addrinfo** info, char *secret, unsigned flags)
{
	int		i;
	int             result = 0;
	FILE           *clientfd;
	char           *h;
	char           *s;
	char            buffer[128];
	char            hostnm[AUTH_ID_LEN + 1];
	char	       *buffer_save;
	char	       *hostnm_save;
	SERVER	       *authservers;
	SERVER	       *acctservers;
	struct addrinfo *tmpinfo = NULL;

	/* Lookup the IP address of the radius server */
	if ((*info = rc_getaddrinfo (server_name, flags==AUTH?PW_AI_AUTH:PW_AI_ACCT)) == NULL)
		return -1;

	if (flags == AUTH) {
		/* Check to see if the server secret is defined in the rh config */
		if( (authservers = rc_conf_srv(rh, "authserver")) != NULL )
		{
			for( i = 0; i < authservers->max; i++ )
			{
				if( (strncmp(server_name, authservers->name[i], strlen(server_name)) == 0) &&
				    (authservers->secret[i] != NULL) )
				{
					memset (secret, '\0', MAX_SECRET_LENGTH);
					strlcpy (secret, authservers->secret[i], MAX_SECRET_LENGTH);
					return 0;
				}
			}
		}
	} else if (flags == ACCT) {
		if( (acctservers = rc_conf_srv(rh, "acctserver")) != NULL )
		{
			for( i = 0; i < acctservers->max; i++ )
			{
				if( (strncmp(server_name, acctservers->name[i], strlen(server_name)) == 0) &&
				    (acctservers->secret[i] != NULL) )
				{
					memset (secret, '\0', MAX_SECRET_LENGTH);
					strlcpy (secret, acctservers->secret[i], MAX_SECRET_LENGTH);
					return 0;
				}
			}
		}
	}

	/* We didn't find it in the rh_config or the servername is too long so look for a
	 * servers file to define the secret(s)
	 */

	if ((clientfd = fopen (rc_conf_str(rh, "servers"), "r")) == NULL)
	{
		rc_log(LOG_ERR, "rc_find_server: couldn't open file: %s: %s", strerror(errno), rc_conf_str(rh, "servers"));
		goto fail;
	}

	while (fgets (buffer, sizeof (buffer), clientfd) != NULL)
	{
		if (*buffer == '#')
			continue;

		if ((h = strtok_r(buffer, " \t\n", &buffer_save)) == NULL) /* first hostname */
			continue;

		strlcpy (hostnm, h, AUTH_ID_LEN);

		if ((s = strtok_r (NULL, " \t\n", &buffer_save)) == NULL) /* and secret field */
			continue;

		strlcpy (secret, s, MAX_SECRET_LENGTH);

		if (!strchr (hostnm, '/')) /* If single name form */
		{
			tmpinfo = rc_getaddrinfo(hostnm, 0);
			if (tmpinfo)
			{
				result = find_match (*info, tmpinfo);
				if (result == 0)
				{
					result++;
					break;
				}

				//freeaddrinfo(tmpinfo);
				tmpinfo = NULL;
			}
		}
		else /* <name1>/<name2> "paired" form */
		{
			strtok_r(hostnm, "/", &hostnm_save);
			tmpinfo = rc_getaddrinfo(hostnm, 0);
			if (tmpinfo)
			{
				if (rc_is_myname(tmpinfo) == 0)
				{	     /* If we're the 1st name, target is 2nd */
					if (find_match (*info, tmpinfo) == 0)
					{
						result++;
						break;
					}
				}
				else	/* If we were 2nd name, target is 1st name */
				{
					if (find_match (*info, tmpinfo) == 0)
					{
						result++;
						break;
					}
				}
				//freeaddrinfo(tmpinfo);
				tmpinfo = NULL;
			}
		}
	}
	fclose (clientfd);
	if (result == 0)
	{
		memset (buffer, '\0', sizeof (buffer));
		memset (secret, '\0', MAX_SECRET_LENGTH);
		rc_log(LOG_ERR, "rc_find_server: couldn't find RADIUS server %s in %s",
			 server_name, rc_conf_str(rh, "servers"));
		goto fail;
	}
	
	result = 0;
	goto cleanup;

 fail:
 	//freeaddrinfo(*info);
 	result = -1;

 cleanup:
 	//if (tmpinfo)
 		//freeaddrinfo(tmpinfo);

	return result;
}

/**
 * rc_config_free:
 * @param rh a handle to parsed configuration
 *
 * Free allocated config values
 *
 */

void
rc_config_free(rc_handle *rh)
{
	int i, j;
	SERVER *serv;

	if (rh->config_options == NULL)
		return;

	for (i = 0; i < NUM_OPTIONS; i++) {
		if (rh->config_options[i].val == NULL)
			continue;
		if (rh->config_options[i].type == OT_SRV) {
		        serv = (SERVER *)rh->config_options[i].val;
			for (j = 0; j < serv->max; j++){
				free(serv->name[j]);
				if(serv->secret[j]) free(serv->secret[j]);
			}
			free(serv);
		} else {
			free(rh->config_options[i].val);
		}
	}
	free(rh->config_options);
	rh->config_options = NULL;
}