michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "cpr_ipc.h"
michael@0: #include "cpr_types.h"
michael@0: 
michael@0: #ifndef SIP_OS_WINDOWS
michael@0: #include "netdb.h"
michael@0: #include "arpa/inet.h"
michael@0: #endif
michael@0: 
michael@0: #include "dns_utils.h"
michael@0: #include "phone_debug.h"
michael@0: #include "util_string.h"
michael@0: 
michael@0: #ifdef SIP_OS_WINDOWS
michael@0: cc_int32_t
michael@0: dnsGetHostByName (const char *hname,
michael@0:                    cpr_ip_addr_t *ipaddr_ptr,
michael@0:                    cc_int32_t timeout,
michael@0:                    cc_int32_t retries)
michael@0: {
michael@0: 	return DNS_ERR_NOHOST;
michael@0: }
michael@0: #else
michael@0: /*
michael@0:  *  dnsGetHostByName
michael@0:  *
michael@0:  *  DESCRIPTION: Perform an DNS lookup of the name specified
michael@0:  *
michael@0:  *  RETURNS: returns 0 for success or DNS_ERR_NOHOST
michael@0:  *
michael@0:  */
michael@0: cc_int32_t
michael@0: dnsGetHostByName (const char *hname,
michael@0:                    cpr_ip_addr_t *ipaddr_ptr,
michael@0:                    cc_int32_t timeout,
michael@0:                    cc_int32_t retries)
michael@0: {
michael@0:     uint32_t ip_address;
michael@0:     struct hostent *dns_response;
michael@0: #ifdef IPV6_STACK_ENABLED
michael@0:     uint32_t err;
michael@0:     uint16_t   ip_valid;
michael@0:     char     ip_addr[MAX_IPADDR_STR_LEN];
michael@0:     struct addrinfo hints, *result;
michael@0:     struct sockaddr sa;
michael@0: #endif
michael@0: 
michael@0: #ifdef IPV6_STACK_ENABLED
michael@0:     /* Check if the IPv6 address */
michael@0:     ip_valid = cpr_inet_pton(AF_INET6, hname, ip_addr);
michael@0: 
michael@0:     if (ip_valid) {
michael@0:         ipaddr_ptr->type = CPR_IP_ADDR_IPV6;
michael@0:         cpr_memcopy(ipaddr_ptr->u.ip6.addr.base8, ip_addr, 16);
michael@0:         return(0);
michael@0:     }
michael@0: #endif
michael@0: 
michael@0:     ip_address = inet_addr(hname);
michael@0:     if (ip_address != INADDR_NONE) {
michael@0:         ipaddr_ptr->u.ip4 = ip_address;
michael@0:         ipaddr_ptr->type = CPR_IP_ADDR_IPV4;
michael@0:         return 0;
michael@0:     } else {
michael@0: 
michael@0: #ifdef IPV6_STACK_ENABLED
michael@0:         memset(&hints, 0, sizeof(hints));
michael@0:         hints.ai_family = PF_INET6;
michael@0:         err = getaddrinfo(hname, NULL, &hints, &result);
michael@0: 
michael@0:         if (err) {
michael@0:             return DNS_ERR_NOHOST;
michael@0: 
michael@0:         }
michael@0: 
michael@0:         while (result) {
michael@0:             sa = result->ai_addr;
michael@0:             if (sa->family == AF_INET) {
michael@0:                 ipaddr_ptr->type = CPR_IP_ADDR_IPV4;
michael@0:                 ip_addr->u.ip4 = ((cpr_sockaddr_in_t *)from)->sin_addr.s_addr;
michael@0: 
michael@0:             } else if (sa->family == AF_INET6) {
michael@0: 
michael@0:                 //Todo IPv6: Add getaddrinfo() functioncall to get the IPv6 address.
michael@0:                 ipaddr_ptr->type = CPR_IP_ADDR_IPV6;
michael@0:                 ip_addr->u.ip6 = ((cpr_sockaddr_in6_t *)sa)->sin6_addr;
michael@0:             }
michael@0:         }
michael@0: 
michael@0:         freeaddrinfo(result);
michael@0: #endif
michael@0: 
michael@0:         dns_response = gethostbyname(hname);
michael@0:         if (dns_response) {
michael@0:             ipaddr_ptr->u.ip4 = *(uint32_t *) dns_response->h_addr_list[0];
michael@0:             ipaddr_ptr->type = CPR_IP_ADDR_IPV4;
michael@0:             return 0;
michael@0:         }
michael@0: 
michael@0: 
michael@0:     }
michael@0:     return DNS_ERR_NOHOST;
michael@0: }
michael@0: 
michael@0: #endif
michael@0: 
michael@0: #ifdef SIP_OS_WINDOWS
michael@0: 
michael@0: cc_int32_t
michael@0: dnsGetHostBySRV (cc_int8_t *service,
michael@0:                   cc_int8_t *protocol,
michael@0:                   cc_int8_t *domain,
michael@0:                   cpr_ip_addr_t *ipaddr_ptr,
michael@0:                   cc_uint16_t *port,
michael@0:                   cc_int32_t timeout,
michael@0:                   cc_int32_t retries,
michael@0:                   srv_handle_t *psrv_handle)
michael@0: {
michael@0: 	return DNS_ERR_NOHOST;
michael@0: }
michael@0: 
michael@0: #else
michael@0: /*
michael@0:  *  dnsGetHostBySRV
michael@0:  *
michael@0:  *  DESCRIPTION: This function calls the dns api to
michael@0:  *  perform a dns srv query
michael@0:  *
michael@0:  *  RETURNS: returns 0 for success or
michael@0:  *           DNS_ERR_NOHOST, DNS_ERR_HOST_UNAVAIL
michael@0:  *
michael@0:  */
michael@0: cc_int32_t
michael@0: dnsGetHostBySRV (cc_int8_t *service,
michael@0:                   cc_int8_t *protocol,
michael@0:                   cc_int8_t *domain,
michael@0:                   cpr_ip_addr_t *ipaddr_ptr,
michael@0:                   cc_uint16_t *port,
michael@0:                   cc_int32_t timeout,
michael@0:                   cc_int32_t retries,
michael@0:                   srv_handle_t *psrv_handle)
michael@0: {
michael@0:     uint32_t ip_address;
michael@0: 
michael@0: 
michael@0:     ip_address = inet_addr(domain);
michael@0:     if (ip_address != INADDR_NONE) {
michael@0:         ipaddr_ptr->u.ip4 = ip_address;
michael@0:         ipaddr_ptr->type = CPR_IP_ADDR_IPV4;
michael@0:         return 0;
michael@0:     }
michael@0: 
michael@0:     return DNS_ERR_NOBUF; /* not yet implemented */
michael@0: }
michael@0: #endif
michael@0: 
michael@0: void
michael@0: dnsFreeSrvHandle (srv_handle_t srv_handle)
michael@0: {
michael@0:   // this function does nothing
michael@0:   //  srv_handle = NULL;
michael@0: }