iphlpapi: Add interface enumeration for Android.

This commit is contained in:
Huw Davies 2013-09-19 15:39:21 +01:00 committed by Alexandre Julliard
parent 8876c3ee82
commit 21dc848378
4 changed files with 209 additions and 3 deletions

3
configure vendored
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@ -6235,7 +6235,7 @@ fi
done
for ac_header in linux/ipx.h linux/irda.h
for ac_header in linux/ipx.h linux/irda.h linux/rtnetlink.h
do :
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "#include <sys/types.h>
@ -13405,6 +13405,7 @@ for ac_func in \
getpwuid \
gettimeofday \
getuid \
if_nameindex \
kqueue \
lstat \
memmove \

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@ -606,7 +606,7 @@ AC_CHECK_HEADERS([netinet/tcp_timer.h netinet/udp_var.h netinet/icmp_var.h netin
#include <netinet/tcp_timer.h>
#endif])
AC_CHECK_HEADERS([linux/ipx.h linux/irda.h],,,
AC_CHECK_HEADERS([linux/ipx.h linux/irda.h linux/rtnetlink.h],,,
[#include <sys/types.h>
#ifdef HAVE_ASM_TYPES_H
# include <asm/types.h>
@ -2032,6 +2032,7 @@ AC_CHECK_FUNCS(\
getpwuid \
gettimeofday \
getuid \
if_nameindex \
kqueue \
lstat \
memmove \

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@ -79,6 +79,10 @@
#include <ifaddrs.h>
#endif
#ifdef HAVE_LINUX_RTNETLINK_H
#include <linux/rtnetlink.h>
#endif
#include "ifenum.h"
#include "ws2ipdef.h"
@ -161,7 +165,7 @@ BOOL isIfIndexLoopback(ULONG idx)
return ret;
}
#ifdef HAVE_IF_NAMEINDEX
DWORD get_interface_indices( BOOL skip_loopback, InterfaceIndexTable **table )
{
DWORD count = 0, i;
@ -199,6 +203,200 @@ end:
return count;
}
#elif defined(HAVE_LINUX_RTNETLINK_H)
static int open_netlink( int *pid )
{
int fd = socket( AF_NETLINK, SOCK_RAW, NETLINK_ROUTE );
struct sockaddr_nl addr;
socklen_t len;
if (fd < 0) return fd;
memset( &addr, 0, sizeof(addr) );
addr.nl_family = AF_NETLINK;
if (bind( fd, (struct sockaddr *)&addr, sizeof(addr) ) < 0)
goto fail;
len = sizeof(addr);
if (getsockname( fd, (struct sockaddr *)&addr, &len ) < 0)
goto fail;
*pid = addr.nl_pid;
return fd;
fail:
close( fd );
return -1;
}
static int send_netlink_req( int fd, int pid, int type, int *seq_no )
{
static LONG seq;
struct request
{
struct nlmsghdr hdr;
struct rtgenmsg gen;
} req;
struct sockaddr_nl addr;
req.hdr.nlmsg_len = sizeof(req);
req.hdr.nlmsg_type = type;
req.hdr.nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST;
req.hdr.nlmsg_pid = pid;
req.hdr.nlmsg_seq = InterlockedIncrement( &seq );
req.gen.rtgen_family = AF_UNSPEC;
memset( &addr, 0, sizeof(addr) );
addr.nl_family = AF_NETLINK;
if (sendto( fd, &req, sizeof(req), 0, (struct sockaddr *)&addr, sizeof(addr) ) != sizeof(req))
return -1;
*seq_no = req.hdr.nlmsg_seq;
return 0;
}
struct netlink_reply
{
struct netlink_reply *next;
int size;
struct nlmsghdr *hdr;
};
static void free_netlink_reply( struct netlink_reply *data )
{
struct netlink_reply *ptr;
while( data )
{
ptr = data->next;
HeapFree( GetProcessHeap(), 0, data );
data = ptr;
}
}
static int recv_netlink_reply( int fd, int pid, int seq, struct netlink_reply **data )
{
int bufsize = getpagesize();
int left, read, done = 0;
socklen_t sa_len;
struct sockaddr_nl addr;
struct netlink_reply *cur, *last = NULL;
struct nlmsghdr *hdr;
char *buf;
*data = NULL;
buf = HeapAlloc( GetProcessHeap(), 0, bufsize );
if (!buf) return -1;
do
{
left = read = recvfrom( fd, buf, bufsize, 0, (struct sockaddr *)&addr, &sa_len );
if (read < 0) goto fail;
if (addr.nl_pid != 0) continue; /* not from kernel */
for (hdr = (struct nlmsghdr *)buf; NLMSG_OK(hdr, left); hdr = NLMSG_NEXT(hdr, left))
{
if (hdr->nlmsg_pid != pid || hdr->nlmsg_seq != seq) continue;
if (hdr->nlmsg_type == NLMSG_DONE)
{
done = 1;
break;
}
}
cur = HeapAlloc( GetProcessHeap(), 0, sizeof(*cur) + read );
if (!cur) goto fail;
cur->next = NULL;
cur->size = read;
cur->hdr = (struct nlmsghdr *)(cur + 1);
memcpy( cur->hdr, buf, read );
if (last) last->next = cur;
else *data = cur;
last = cur;
} while (!done);
HeapFree( GetProcessHeap(), 0, buf );
return 0;
fail:
free_netlink_reply( *data );
HeapFree( GetProcessHeap(), 0, buf );
return -1;
}
static DWORD get_indices_from_reply( struct netlink_reply *reply, int pid, int seq,
BOOL skip_loopback, InterfaceIndexTable *table )
{
struct nlmsghdr *hdr;
struct netlink_reply *r;
int count = 0;
for (r = reply; r; r = r->next)
{
int size = r->size;
for (hdr = r->hdr; NLMSG_OK(hdr, size); hdr = NLMSG_NEXT(hdr, size))
{
if (hdr->nlmsg_pid != pid || hdr->nlmsg_seq != seq) continue;
if (hdr->nlmsg_type == NLMSG_DONE) break;
if (hdr->nlmsg_type == RTM_NEWLINK)
{
struct ifinfomsg *info = NLMSG_DATA(hdr);
if (skip_loopback && (info->ifi_flags & IFF_LOOPBACK)) continue;
if (table) table->indexes[count] = info->ifi_index;
count++;
}
}
}
return count;
}
DWORD get_interface_indices( BOOL skip_loopback, InterfaceIndexTable **table )
{
int fd, pid, seq;
struct netlink_reply *reply = NULL;
DWORD count = 0;
if (table) *table = NULL;
fd = open_netlink( &pid );
if (fd < 0) return 0;
if (send_netlink_req( fd, pid, RTM_GETLINK, &seq ) < 0)
goto end;
if (recv_netlink_reply( fd, pid, seq, &reply ) < 0)
goto end;
count = get_indices_from_reply( reply, pid, seq, skip_loopback, NULL );
if (table)
{
InterfaceIndexTable *ret = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET(InterfaceIndexTable, indexes[count]) );
if (!ret)
{
count = 0;
goto end;
}
ret->numIndexes = count;
get_indices_from_reply( reply, pid, seq, skip_loopback, ret );
*table = ret;
}
end:
free_netlink_reply( reply );
close( fd );
return count;
}
#else
DWORD get_interface_indices( BOOL skip_loopback, InterfaceIndexTable **table )
{
if (table) *table = NULL;
return 0;
}
#endif
static DWORD getInterfaceBCastAddrByName(const char *name)
{
DWORD ret = INADDR_ANY;

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@ -258,6 +258,9 @@
/* Define to 1 if you have the <ifaddrs.h> header file. */
#undef HAVE_IFADDRS_H
/* Define to 1 if you have the `if_nameindex' function. */
#undef HAVE_IF_NAMEINDEX
/* Define to 1 if you have the <inet/mib2.h> header file. */
#undef HAVE_INET_MIB2_H
@ -432,6 +435,9 @@
/* Define to 1 if you have the <linux/param.h> header file. */
#undef HAVE_LINUX_PARAM_H
/* Define to 1 if you have the <linux/rtnetlink.h> header file. */
#undef HAVE_LINUX_RTNETLINK_H
/* Define to 1 if you have the <linux/serial.h> header file. */
#undef HAVE_LINUX_SERIAL_H