diff options
Diffstat (limited to 'src/charon/network/socket.c')
| -rw-r--r-- | src/charon/network/socket.c | 76 |
1 files changed, 75 insertions, 1 deletions
diff --git a/src/charon/network/socket.c b/src/charon/network/socket.c index c69f3714d..9922a1e46 100644 --- a/src/charon/network/socket.c +++ b/src/charon/network/socket.c @@ -391,6 +391,7 @@ status_t sender(private_socket_t *this, packet_t *packet) */ static bool is_local_address(private_socket_t *this, host_t *host, char **dev) { +#ifdef HAVE_GETIFADDRS struct ifaddrs *list; struct ifaddrs *cur; bool found = FALSE; @@ -456,14 +457,50 @@ static bool is_local_address(private_socket_t *this, host_t *host, char **dev) } freeifaddrs(list); return found; +#else /* !HAVE_GETIFADDRS */ + + int skt = socket(AF_INET, SOCK_DGRAM, 0); + struct ifconf conf; + struct ifreq reqs[16]; + + conf.ifc_len = sizeof(reqs); + conf.ifc_req = reqs; + + if (ioctl(skt, SIOCGIFCONF, &conf) == -1) + { + DBG1(DBG_NET, "checking address using ioctl() failed: %m"); + close(skt); + return FALSE; + } + close(skt); + + while (conf.ifc_len >= sizeof(struct ifreq)) + { + /* only IPv4 supported yet */ + if (conf.ifc_req->ifr_addr.sa_family == AF_INET && + host->get_family(host) == AF_INET) + { + struct sockaddr_in *listed, *requested; + listed = (struct sockaddr_in*)&conf.ifc_req->ifr_addr; + requested = (struct sockaddr_in*)host->get_sockaddr(host); + if (listed->sin_addr.s_addr == requested->sin_addr.s_addr) + { + return TRUE; + } + } + conf.ifc_len -= sizeof(struct ifreq); + conf.ifc_req++; + } + return FALSE; +#endif /* HAVE_GETIFADDRS */ } - /** * implements socket_t.create_local_address_list */ static linked_list_t* create_local_address_list(private_socket_t *this) { +#ifdef HAVE_GETIFADDRS struct ifaddrs *list; struct ifaddrs *cur; host_t *host; @@ -493,6 +530,43 @@ static linked_list_t* create_local_address_list(private_socket_t *this) } freeifaddrs(list); return result; +#else /* !HAVE_GETIFADDRS */ + int skt = socket(AF_INET, SOCK_DGRAM, 0); + struct ifconf conf; + struct ifreq reqs[16]; + linked_list_t *result = linked_list_create(); + host_t *host; + + conf.ifc_len = sizeof(reqs); + conf.ifc_req = reqs; + + if (ioctl(skt, SIOCGIFCONF, &conf) == -1) + { + DBG1(DBG_NET, "getting address list using ioctl() failed: %m"); + close(skt); + return FALSE; + } + close(skt); + + while (conf.ifc_len >= sizeof(struct ifreq)) + { + /* only IPv4 supported yet */ + if (conf.ifc_req->ifr_addr.sa_family == AF_INET) + { + host = host_create_from_sockaddr(&conf.ifc_req->ifr_addr); + if (host) + { + /* we use always the IKEv2 port. This is relevant for + * natd payload hashing. */ + host->set_port(host, this->port); + result->insert_last(result, host); + } + } + conf.ifc_len -= sizeof(struct ifreq); + conf.ifc_req++; + } + return result; +#endif /* HAVE_GETIFADDRS */ } /** |