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4aa4a154f9
This is raw IPv6 packet support for most port and ping scans, Neighbor Discovery, and traceroute.
103 lines
2.5 KiB
Plaintext
103 lines
2.5 KiB
Plaintext
dnl Type of 6th argument to recvfrom(). Usually int or socklen_t.
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AC_DEFUN([RECVFROM_ARG6_TYPE],
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[
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AC_LANG_PUSH(C++)
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AC_MSG_CHECKING([for type of 6th argument to recvfrom()])
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recvfrom6_t=
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for t in socklen_t int; do
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AC_TRY_COMPILE([
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/socket.h>],[
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$t arg;
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recvfrom (0, NULL, 0, 0, NULL, &arg);],[
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recvfrom6_t="$t"
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break])
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done
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if test "x$recvfrom6_t" = x; then
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AC_MSG_WARN([Cannot find type for 6th argument to recvfrom(). Using socklen_t ptr])
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recvfrom6_t="socklen_t"
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fi
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AC_MSG_RESULT($recvfrom6_t)
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AC_DEFINE_UNQUOTED(recvfrom6_t, $recvfrom6_t,
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[Type of 6th argument to recvfrom()])
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AC_LANG_POP(C++)
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])
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dnl Checks if the pcap version is suitable. The has to be at least version
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dnl 0.9.4. Mac OS X 10.6 has a bug in its BIOCSRTIMEOUT ioctl that is worked
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dnl around in libpcap 1.1.0 and later; but before that we must use our own copy.
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AC_DEFUN([PCAP_IS_SUITABLE],
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[
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AC_CHECK_HEADERS(sys/ioccom.h sys/time.h net/bpf.h)
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AC_MSG_CHECKING(if libpcap is suitable)
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AC_TRY_RUN([
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#include <stdio.h>
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extern char pcap_version[];
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int main() {
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int major, minor1, minor2;
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sscanf(pcap_version,"%d.%d.%d", &major, &minor1, &minor2);
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if (major > 0)
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exit(0);
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if (minor1 < 9)
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exit(1);
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if (minor2 < 4)
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exit(1);
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exit(0);
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}
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], [
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AC_TRY_RUN([
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#include <stdio.h>
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#ifdef HAVE_SYS_IOCCOM_H
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#include <sys/ioccom.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#ifdef HAVE_NET_BPF_H
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#include <net/bpf.h>
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#endif
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extern char pcap_version[];
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int main() {
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int major, minor;
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sscanf(pcap_version,"%d.%d", &major, &minor);
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if ((major == 1 && minor >= 1) || major > 1)
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return 0;
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#ifdef BIOCSRTIMEOUT
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#ifdef IOCPARM_LEN
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if (IOCPARM_LEN(BIOCSRTIMEOUT) != sizeof(struct timeval))
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return 1;
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#endif
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#endif
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return 0;
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}
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],
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[AC_MSG_RESULT(yes); $1],
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[AC_MSG_RESULT(no -- BPF_TIMEOUT BIOCSRTIMEOUT bug (64-bit OS X)); $2])
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],
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[AC_MSG_RESULT(no); $2],
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[AC_MSG_RESULT(cross-compiling -- assuming yes); $3])
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])
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])
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dnl Checks if IPPROTO_RAW induces IP_HDRINCL-like behavior in AF_INET6 sockets.
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dnl Defines HAVE_IPV6_IPPROTO_RAW if so. So far I only know this happens on
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dnl Linux.
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AC_DEFUN([CHECK_IPV6_IPPROTO_RAW],
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[
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AC_MSG_CHECKING(if AF_INET6 IPPROTO_RAW sockets include the packet header)
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# This should be replaced with a better test, if possible.
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case "$host" in
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*-linux*)
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AC_DEFINE(HAVE_IPV6_IPPROTO_RAW)
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AC_MSG_RESULT(yes)
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;;
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*)
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AC_MSG_RESULT(no)
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;;
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esac
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])
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