diff options
Diffstat (limited to 'm4/acinclude.m4')
| -rw-r--r-- | m4/acinclude.m4 | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/m4/acinclude.m4 b/m4/acinclude.m4 index f0d8ef8..b0e1891 100644 --- a/m4/acinclude.m4 +++ b/m4/acinclude.m4 @@ -26,93 +26,6 @@ AC_DEFUN([AC_LIBNET_LINUX_PROCFS], fi]) dnl -dnl Checks to see if this linux kernel has a working PF_PACKET -dnl -dnl usage: -dnl -dnl AC_LIBNET_CHECK_PF_PACKET -dnl -dnl results: -dnl -dnl HAVE_PACKET_SOCKET (DEFINED) -dnl - -AC_DEFUN([AC_LIBNET_CHECK_PF_PACKET], -[ - AC_MSG_CHECKING(for packet socket (PF_PACKET)) - AC_CACHE_VAL(libnet_cv_have_packet_socket, - - [ - cat > pf_packet-test.c << EOF -#include <stdio.h> -#include <errno.h> -#include <stdlib.h> -#include <netinet/in.h> -#include <sys/socket.h> -#include <features.h> /* for the glibc version number */ -#if __GLIBC__ >= 2 && __GLIBC_MINOR >= 1 -#include <netpacket/packet.h> -#include <net/ethernet.h> /* the L2 protocols */ -#else -#include <asm/types.h> -#include <linux/if_packet.h> -#include <linux/if_ether.h> /* The L2 protocols */ -#endif - -#ifndef SOL_PACKET -#define SOL_PACKET 263 -#endif /* SOL_PACKET */ - -int -main(int argc, char **argv) -{ - int fd; - - fd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL)); - if (fd == -1) - { - if (errno == EPERM) - { - /* user's UID != 0 */ - printf("probably"); - exit (EXIT_FAILURE); - } - printf("no"); - exit (EXIT_FAILURE); - } - printf("yes"); - exit (EXIT_SUCCESS); -} -EOF - ${CC-cc} -o pf_packet-test $CFLAGS pf_packet-test.c >/dev/null 2>&1 - - # Oopz 4.3 BSD doesn't have this. Sorry. - if test ! -x ./pf_packet-test ; then - libnet_cv_have_packet_socket=choked - else - libnet_cv_have_packet_socket=`./pf_packet-test`; - fi - if test $libnet_cv_have_packet_socket = choked; then - AC_MSG_RESULT(test program compile choked... assuming no) - elif test $libnet_cv_have_packet_socket = yes; then - AC_MSG_RESULT(yes) - elif test $libnet_cv_have_packet_socket = probably; then - AC_MSG_RESULT(test program got EPERM... assuming yes) - elif test $libnet_cv_have_packet_socket = no; then - AC_MSG_RESULT(no) - fi - - rm -f pf_packet-test* core core.pf_packet-test - - ]) - - if test $libnet_cv_have_packet_socket = yes -o $libnet_cv_have_packet_socket = probably; then - AC_DEFINE(HAVE_PACKET_SOCKET, 1, - [Define if we're running on a Linux system with PF_PACKET sockets.]) - fi -]) - -dnl dnl Looks for a previous libnet version and attempts to determine which version dnl it is. Version 0.8 was the first version that actually knew internally dnl what version it was. |