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added address listing without getifaddrs for uclibc (only IPv4 yet)

This commit is contained in:
Martin Willi 2007-02-02 09:58:59 +00:00
parent 1908670f99
commit 61dd20f9e3
2 changed files with 76 additions and 1 deletions
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1
configure.in
View File

@ -111,6 +111,7 @@ dnl check required libraries
dnl ==========================
AC_CHECK_FUNCS(backtrace)
AC_CHECK_FUNCS(getifaddrs)
AC_HAVE_LIBRARY([gmp],[LIBS="$LIBS"],[AC_MSG_ERROR([GNU Multi Precision library gmp not found])])
if test "$ldap" = "true"; then

76
src/charon/network/socket.c
View File

@ -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 */
}
/**