int rc_get_nas_id(VALUE_PAIR **sendpairs)
{
UINT4 client_id;
char *nasid;
nasid = rc_conf_str("nas_identifier");
if (strlen(nasid)) {
/*
* Fill in NAS-Identifier
*/
if (rc_avpair_add(sendpairs, PW_NAS_IDENTIFIER, nasid, 0,
VENDOR_NONE) == NULL)
return (ERROR_RC);
return (OK_RC);
} else {
/*
* Fill in NAS-IP-Address
*/
if ((client_id = rc_own_ipaddress()) == 0)
return (ERROR_RC);
if (rc_avpair_add(sendpairs, PW_NAS_IP_ADDRESS, &client_id,
0, VENDOR_NONE) == NULL)
return (ERROR_RC);
}
return (OK_RC);
}
int rc_find_server (char *server_name, UINT4 *ip_addr, char *secret)
{
UINT4 myipaddr = 0;
int len;
int result;
FILE *clientfd;
char *h;
char *s;
char *host2;
char buffer[128];
char hostnm[AUTH_ID_LEN + 1];
/* Get the IP address of the authentication server */
if ((*ip_addr = rc_get_ipaddr (server_name)) == (UINT4) 0)
return (-1);
if ((clientfd = fopen (rc_conf_str("servers"), "r")) == (FILE *) NULL)
{
errorlog("rc_find_server: couldn't open file: %m: %s", rc_conf_str("servers"));
return (-1);
}
myipaddr = rc_own_ipaddress();
result = 0;
while (fgets (buffer, sizeof (buffer), clientfd) != (char *) NULL)
{
if (*buffer == '#')
continue;
if ((h = strtok (buffer, " \t\n")) == NULL) /* first hostname */
continue;
memset (hostnm, '\0', AUTH_ID_LEN);
len = strlen (h);
if (len > AUTH_ID_LEN)
{
len = AUTH_ID_LEN;
}
strncpy (hostnm, h, (size_t) len);
hostnm[AUTH_ID_LEN] = '\0';
if ((s = strtok (NULL, " \t\n")) == NULL) /* and secret field */
continue;
memset (secret, '\0', MAX_SECRET_LENGTH);
len = strlen (s);
if (len > MAX_SECRET_LENGTH)
{
len = MAX_SECRET_LENGTH;
}
strncpy (secret, s, (size_t) len);
secret[MAX_SECRET_LENGTH] = '\0';
if (!strchr (hostnm, '/')) /* If single name form */
{
if (find_match (ip_addr, hostnm) == 0)
{
result++;
break;
}
}
else /* <name1>/<name2> "paired" form */
{
strtok (hostnm, "/");
if (find_match (&myipaddr, hostnm) == 0)
{ /* If we're the 1st name, target is 2nd */
host2 = strtok (NULL, " ");
if (find_match (ip_addr, host2) == 0)
{
result++;
break;
}
}
else /* If we were 2nd name, target is 1st name */
{
if (find_match (ip_addr, hostnm) == 0)
{
result++;
break;
}
}
}
}
fclose (clientfd);
if (result == 0)
{
memset (buffer, '\0', sizeof (buffer));
memset (secret, '\0', sizeof (secret));
errorlog("rc_find_server: couldn't find RADIUS server %s in %s",
server_name, rc_conf_str("servers"));
return (-1);
}
return 0;
}
