| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945 | /* * $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 0	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;#endif}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){#if 0	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;#endif}/** 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){    rh->config_options = &rcOptions;        //memcpy(rh->config_options, &config_options_default, sizeof(config_options_default));}#if 0rc_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){#if 0	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;#endif}/** * rc_config_free: * @param rh a handle to parsed configuration * * Free allocated config values * */voidrc_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;}
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