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Diffstat (limited to 'lib/libpcap/libpcap/configure.ac')
| -rw-r--r-- | lib/libpcap/libpcap/configure.ac | 2465 |
1 files changed, 2465 insertions, 0 deletions
diff --git a/lib/libpcap/libpcap/configure.ac b/lib/libpcap/libpcap/configure.ac new file mode 100644 index 0000000..eba2723 --- /dev/null +++ b/lib/libpcap/libpcap/configure.ac @@ -0,0 +1,2465 @@ +dnl +dnl Copyright (c) 1994, 1995, 1996, 1997 +dnl The Regents of the University of California. All rights reserved. +dnl +dnl Process this file with autoconf to produce a configure script. +dnl + +# +# See +# +# http://ftp.gnu.org/gnu/config/README +# +# for the URLs to use to fetch new versions of config.guess and +# config.sub. +# + +AC_PREREQ(2.64) + +AC_INIT(pcap, m4_esyscmd_s([cat VERSION])) +AC_CONFIG_SRCDIR(pcap.c) +AC_SUBST(PACKAGE_NAME) + +AC_CANONICAL_SYSTEM + +AC_LBL_C_INIT_BEFORE_CC(V_CCOPT, V_INCLS) +# +# Try to enable as many C99 features as we can. +# At minimum, we want C++/C99-style // comments. +# +AC_PROG_CC_C99 +if test "$ac_cv_prog_cc_c99" = "no"; then + AC_MSG_WARN([The C compiler does not support C99; there may be compiler errors]) +fi +AC_LBL_C_INIT(V_CCOPT, V_INCLS) +AC_LBL_SHLIBS_INIT +AC_LBL_C_INLINE + +# +# Try to arrange for large file support. +# +AC_SYS_LARGEFILE +AC_FUNC_FSEEKO + +dnl +dnl Even if <net/bpf.h> were, on all OSes that support BPF, fixed to +dnl include <sys/ioccom.h>, and we were to drop support for older +dnl releases without that fix, so that pcap-bpf.c doesn't need to +dnl include <sys/ioccom.h>, the test program in "AC_LBL_FIXINCLUDES" +dnl in "aclocal.m4" uses it, so we would still have to test for it +dnl and set "HAVE_SYS_IOCCOM_H" if we have it, otherwise +dnl "AC_LBL_FIXINCLUDES" wouldn't work on some platforms such as Solaris. +dnl +AC_CHECK_HEADERS(sys/ioccom.h sys/sockio.h limits.h) +AC_CHECK_HEADERS(netpacket/packet.h) +AC_CHECK_HEADERS(net/pfvar.h, , , [#include <sys/types.h> +#include <sys/socket.h> +#include <net/if.h>]) +if test "$ac_cv_header_net_pfvar_h" = yes; then + # + # Check for various PF actions. + # + AC_MSG_CHECKING(whether net/pfvar.h defines PF_NAT through PF_NORDR) + AC_TRY_COMPILE( + [#include <sys/types.h> + #include <sys/socket.h> + #include <net/if.h> + #include <net/pfvar.h>], + [return PF_NAT+PF_NONAT+PF_BINAT+PF_NOBINAT+PF_RDR+PF_NORDR;], + [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_PF_NAT_THROUGH_PF_NORDR, 1, + [define if net/pfvar.h defines PF_NAT through PF_NORDR]) + ], + AC_MSG_RESULT(no)) +fi + +case "$host_os" in +linux*|uclinux*) + AC_CHECK_HEADERS(linux/sockios.h linux/if_bonding.h,,, + [ +#include <sys/socket.h> +#include <linux/if.h> + ]) + ;; +esac + +AC_LBL_FIXINCLUDES + +AC_CHECK_FUNCS(strerror) +AC_CHECK_FUNC(strerror_r, + [ + # + # We have strerror_r; if we define _GNU_SOURCE, is it a + # POSIX-compliant strerror_r() or a GNU strerror_r()? + # + AC_MSG_CHECKING(whether strerror_r is GNU-style) + AC_COMPILE_IFELSE( + [ + AC_LANG_SOURCE( +#define _GNU_SOURCE +#include <string.h> + +/* Define it GNU-style; that will cause an error if it's not GNU-style */ +extern char *strerror_r(int, char *, size_t); + +int +main(void) +{ + return 0; +} +) + ], + [ + # GNU-style + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_GNU_STRERROR_R,, + [Define to 1 if you have a GNU-style `strerror_r' function.]) + ], + [ + AC_MSG_RESULT(no) + AC_DEFINE(HAVE_POSIX_STRERROR_R,, + [Define to 1 if you have a POSIX-style `strerror_r' function.]) + ]) + ], + [ + # + # We don't have strerror_r; do we have strerror_s? + # + AC_CHECK_FUNCS(strerror_s) + ]) + +# +# Thanks, IBM, for not providing vsyslog() in AIX! +# +AC_CHECK_FUNCS(vsyslog) + +# +# Either: +# +# we have snprintf() and vsnprintf(), and have asprintf() and +# vasprintf(); +# +# we have snprintf() and vsnprintf(), but don't have asprintf() +# or vasprintf(); +# +# we have neither snprintf() nor vsnprintf(), and don't have +# asprintf() or vasprintf(), either. +# +# We assume that if we have asprintf() we have vasprintf(), as well +# as snprintf() and vsnprintf(), and that if we have snprintf() we +# have vsnprintf(). +# +# For the first case, we don't need any replacement routines. +# For the second case, we need replacement asprintf()/vasprintf() +# routines. +# For the third case, we need replacement snprintf()/vsnprintf() and +# asprintf()/vasprintf() routines. +# +needsnprintf=no +AC_CHECK_FUNCS(vsnprintf snprintf,, + [needsnprintf=yes]) +needasprintf=no +AC_CHECK_FUNCS(vasprintf asprintf,, + [needasprintf=yes]) +if test $needsnprintf = yes; then + # + # We assume we have none of them; missing/snprintf.c supplies + # all of them. + # + AC_LIBOBJ([snprintf]) +elif test $needasprintf = yes; then + # + # We assume we have snprintf()/vsnprintf() but lack + # asprintf()/vasprintf(); missing/asprintf.c supplies + # the latter (using vsnprintf()). + # + AC_LIBOBJ([asprintf]) +fi + +needstrlcat=no +AC_CHECK_FUNCS(strlcat,, + [needstrlcat=yes]) +if test $needstrlcat = yes; then + AC_LIBOBJ([strlcat]) +fi + +needstrlcpy=no +AC_CHECK_FUNCS(strlcpy,, + [needstrlcpy=yes]) +if test $needstrlcpy = yes; then + AC_LIBOBJ([strlcpy]) +fi + +needstrtok_r=no +AC_CHECK_FUNCS(strtok_r,, + [needstrtok_r=yes]) +if test $needstrtok_r = yes; then + AC_LIBOBJ([strtok_r]) +fi + +# +# Do we have ffs(), and is it declared in <strings.h>? +# +AC_CHECK_FUNCS(ffs) +if test "$ac_cv_func_ffs" = yes; then + # + # We have ffs(); is it declared in <strings.h>? + # + # This test fails if we don't have <strings.h> or if we do + # but it doesn't declare ffs(). + # + AC_CHECK_DECL(ffs, + [ + AC_DEFINE(STRINGS_H_DECLARES_FFS,, + [Define to 1 if strings.h declares `ffs']) + ],, + [ +#include <strings.h> + ]) +fi + +# +# Do this before checking for ether_hostton(), as it's a +# "getaddrinfo()-ish function". +# +AC_LBL_LIBRARY_NET + +# +# Check for reentrant versions of getnetbyname_r(), as provided by +# Linux (glibc), Solaris/IRIX, and AIX (with three different APIs!). +# If we don't find one, we just use getnetbyname(), which uses +# thread-specific data on many platforms, but doesn't use it on +# NetBSD or OpenBSD, and may not use it on older versions of other +# platforms. +# +# Only do the check if we have a declaration of getnetbyname_r(); +# without it, we can't check which API it has. (We assume that +# if there's a declaration, it has a prototype, so that the API +# can be checked.) +# +AC_CHECK_DECL(getnetbyname_r, + [ + AC_MSG_CHECKING([for the Linux getnetbyname_r()]) + AC_TRY_LINK( + [#include <netdb.h>], + [ + struct netent netent_buf; + char buf[1024]; + struct netent *resultp; + int h_errnoval; + + return getnetbyname_r((const char *)0, &netent_buf, buf, sizeof buf, &resultp, &h_errnoval); + ], + [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_LINUX_GETNETBYNAME_R, 1, + [define if we have the Linux getnetbyname_r()]) + ], + [ + AC_MSG_RESULT(no) + + AC_MSG_CHECKING([for Solaris/IRIX getnetbyname_r()]) + AC_TRY_LINK( + [#include <netdb.h>], + [ + struct netent netent_buf; + char buf[1024]; + + return getnetbyname_r((const char *)0, &netent_buf, buf, (int)sizeof buf) != NULL; + ], + [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SOLARIS_IRIX_GETNETBYNAME_R, 1, + [define if we have the Solaris/IRIX getnetbyname_r()]) + ], + [ + AC_MSG_RESULT(no) + + AC_MSG_CHECKING([for AIX getnetbyname_r()]) + AC_TRY_LINK( + [#include <netdb.h>], + [ + struct netent netent_buf; + struct netent_data net_data; + + return getnetbyname_r((const char *)0, &netent_buf, &net_data); + ], + [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_AIX_GETNETBYNAME_R, 1, + [define if we have the AIX getnetbyname_r()]) + ], + [ + AC_MSG_RESULT(no) + ]) + ]) + ]) + ],,[#include <netdb.h>]) + +# +# Check for reentrant versions of getprotobyname_r(), as provided by +# Linux (glibc), Solaris/IRIX, and AIX (with three different APIs!). +# If we don't find one, we just use getprotobyname(), which uses +# thread-specific data on many platforms, but doesn't use it on +# NetBSD or OpenBSD, and may not use it on older versions of other +# platforms. +# +# Only do the check if we have a declaration of getprotobyname_r(); +# without it, we can't check which API it has. (We assume that +# if there's a declaration, it has a prototype, so that the API +# can be checked.) +# +AC_CHECK_DECL(getprotobyname_r, + [ + AC_MSG_CHECKING([for the Linux getprotobyname_r()]) + AC_TRY_LINK( + [#include <netdb.h>], + [ + struct protoent protoent_buf; + char buf[1024]; + struct protoent *resultp; + + return getprotobyname_r((const char *)0, &protoent_buf, buf, sizeof buf, &resultp); + ], + [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_LINUX_GETPROTOBYNAME_R, 1, + [define if we have the Linux getprotobyname_r()]) + ], + [ + AC_MSG_RESULT(no) + + AC_MSG_CHECKING([for Solaris/IRIX getprotobyname_r()]) + AC_TRY_LINK( + [#include <netdb.h>], + [ + struct protoent protoent_buf; + char buf[1024]; + + return getprotobyname_r((const char *)0, &protoent_buf, buf, (int)sizeof buf) != NULL; + ], + [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SOLARIS_IRIX_GETPROTOBYNAME_R, 1, + [define if we have the Solaris/IRIX getprotobyname_r()]) + ], + [ + AC_MSG_RESULT(no) + + AC_MSG_CHECKING([for AIX getprotobyname_r()]) + AC_TRY_LINK( + [#include <netdb.h>], + [ + struct protoent protoent_buf; + struct protoent_data proto_data; + + return getprotobyname_r((const char *)0, &protoent_buf, &proto_data); + ], + [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_AIX_GETPROTOBYNAME_R, 1, + [define if we have the AIX getprotobyname_r()]) + ], + [ + AC_MSG_RESULT(no) + ]) + ]) + ]) + ],,[#include <netdb.h>]) + +# +# You are in a twisty little maze of UN*Xes, all different. +# Some might not have ether_hostton(). +# Some might have it and declare it in <net/ethernet.h>. +# Some might have it and declare it in <netinet/ether.h> +# Some might have it and declare it in <sys/ethernet.h>. +# Some might have it and declare it in <arpa/inet.h>. +# Some might have it and declare it in <netinet/if_ether.h>. +# Some might have it and not declare it in any header file. +# +# Before you is a C compiler. +# +AC_CHECK_FUNCS(ether_hostton) +if test "$ac_cv_func_ether_hostton" = yes; then + # + # OK, we have ether_hostton(). Is it declared in <net/ethernet.h>? + # + # This test fails if we don't have <net/ethernet.h> or if we do + # but it doesn't declare ether_hostton(). + # + AC_CHECK_DECL(ether_hostton, + [ + AC_DEFINE(NET_ETHERNET_H_DECLARES_ETHER_HOSTTON,, + [Define to 1 if net/ethernet.h declares `ether_hostton']) + ],, + [ +#include <net/ethernet.h> + ]) + # + # Did that succeed? + # + if test "$ac_cv_have_decl_ether_hostton" != yes; then + # + # No, how about <netinet/ether.h>, as on Linux? + # + # This test fails if we don't have <netinet/ether.h> + # or if we do but it doesn't declare ether_hostton(). + # + # Unset ac_cv_have_decl_ether_hostton so we don't + # treat the previous failure as a cached value and + # suppress the next test. + # + unset ac_cv_have_decl_ether_hostton + AC_CHECK_DECL(ether_hostton, + [ + AC_DEFINE(NETINET_ETHER_H_DECLARES_ETHER_HOSTTON,, + [Define to 1 if netinet/ether.h declares `ether_hostton']) + ],, + [ +#include <netinet/ether.h> + ]) + fi + # + # Did that succeed? + # + if test "$ac_cv_have_decl_ether_hostton" != yes; then + # + # No, how about <sys/ethernet.h>, as on Solaris 10 + # and later? + # + # This test fails if we don't have <sys/ethernet.h> + # or if we do but it doesn't declare ether_hostton(). + # + # Unset ac_cv_have_decl_ether_hostton so we don't + # treat the previous failure as a cached value and + # suppress the next test. + # + unset ac_cv_have_decl_ether_hostton + AC_CHECK_DECL(ether_hostton, + [ + AC_DEFINE(SYS_ETHERNET_H_DECLARES_ETHER_HOSTTON,, + [Define to 1 if sys/ethernet.h declares `ether_hostton']) + ],, + [ +#include <sys/ethernet.h> + ]) + fi + # + # Did that succeed? + # + if test "$ac_cv_have_decl_ether_hostton" != yes; then + # + # No, how about <arpa/inet.h>, as in AIX? + # + # This test fails if we don't have <arpa/inet.h> + # (if we have ether_hostton(), we should have + # networking, and if we have networking, we should + # have <arapa/inet.h>) or if we do but it doesn't + # declare ether_hostton(). + # + # Unset ac_cv_have_decl_ether_hostton so we don't + # treat the previous failure as a cached value and + # suppress the next test. + # + unset ac_cv_have_decl_ether_hostton + AC_CHECK_DECL(ether_hostton, + [ + AC_DEFINE(ARPA_INET_H_DECLARES_ETHER_HOSTTON,, + [Define to 1 if arpa/inet.h declares `ether_hostton']) + ],, + [ +#include <arpa/inet.h> + ]) + fi + # + # Did that succeed? + # + if test "$ac_cv_have_decl_ether_hostton" != yes; then + # + # No, how about <netinet/if_ether.h>? + # On some platforms, it requires <net/if.h> and + # <netinet/in.h>, and we always include it with + # both of them, so test it with both of them. + # + # This test fails if we don't have <netinet/if_ether.h> + # and the headers we include before it, or if we do but + # <netinet/if_ether.h> doesn't declare ether_hostton(). + # + # Unset ac_cv_have_decl_ether_hostton so we don't + # treat the previous failure as a cached value and + # suppress the next test. + # + unset ac_cv_have_decl_ether_hostton + AC_CHECK_DECL(ether_hostton, + [ + AC_DEFINE(NETINET_IF_ETHER_H_DECLARES_ETHER_HOSTTON,, + [Define to 1 if netinet/if_ether.h declares `ether_hostton']) + ],, + [ +#include <sys/types.h> +#include <sys/socket.h> +#include <net/if.h> +#include <netinet/in.h> +#include <netinet/if_ether.h> + ]) + fi + # + # After all that, is ether_hostton() declared? + # + if test "$ac_cv_have_decl_ether_hostton" = yes; then + # + # Yes. + # + AC_DEFINE(HAVE_DECL_ETHER_HOSTTON, 1, + [Define to 1 if you have the declaration of `ether_hostton']) + else + # + # No, we'll have to declare it ourselves. + # Do we have "struct ether_addr" if we include + # <netinet/if_ether.h>? + # + AC_CHECK_TYPES(struct ether_addr,,, + [ + #include <sys/types.h> + #include <sys/socket.h> + #include <net/if.h> + #include <netinet/in.h> + #include <netinet/if_ether.h> + ]) + fi +fi + +# +# For various things that might use pthreads. +# +AC_CHECK_HEADER(pthread.h, + [ + # + # OK, we have pthread.h. Do we have pthread_create in the + # system libraries? + # + AC_CHECK_FUNC(pthread_create, + [ + # + # Yes. + # + ac_lbl_have_pthreads="found" + ], + [ + # + # No - do we have it in -lpthreads? + # + AC_CHECK_LIB(pthreads, pthread_create, + [ + # + # Yes - add -lpthreads. + # + ac_lbl_have_pthreads="found" + PTHREAD_LIBS="$PTHREAD_LIBS -lpthreads" + ], + [ + # + # No - do we have it in -lpthread? + # + AC_CHECK_LIB(pthread, pthread_create, + [ + # + # Yes - add -lpthread. + # + ac_lbl_have_pthreads="found" + PTHREAD_LIBS="$PTHREAD_LIBS -lpthread" + ], + [ + # + # No. + # + ac_lbl_have_pthreads="not found" + ]) + ]) + ]) + ], + [ + # + # We didn't find pthread.h. + # + ac_lbl_have_pthreads="not found" + ] +) + +dnl to pacify those who hate protochain insn +AC_MSG_CHECKING(if --disable-protochain option is specified) +AC_ARG_ENABLE(protochain, +AC_HELP_STRING([--disable-protochain],[disable \"protochain\" insn])) +case "x$enable_protochain" in +xyes) enable_protochain=enabled ;; +xno) enable_protochain=disabled ;; +x) enable_protochain=enabled ;; +esac + +if test "$enable_protochain" = "disabled"; then + AC_DEFINE(NO_PROTOCHAIN,1,[do not use protochain]) +fi +AC_MSG_RESULT(${enable_protochain}) + +# +# valgrindtest directly uses the native capture mechanism, but +# only tests with BPF and PF_PACKET sockets; only enable it if +# we have BPF or PF_PACKET sockets. +# +VALGRINDTEST_SRC= + +# +# SITA support is mutually exclusive with native capture support; +# "--with-sita" selects SITA support. +# +AC_ARG_WITH(sita, +AC_HELP_STRING([--with-sita],[include SITA support]), +[ + if test ! "x$withval" = "xno" ; then + AC_DEFINE(SITA,1,[include ACN support]) + AC_MSG_NOTICE(Enabling SITA ACN support) + V_PCAP=sita + fi +], +[ +AC_ARG_WITH(pcap, +AC_HELP_STRING([--with-pcap=TYPE],[use packet capture TYPE])) +if test ! -z "$with_pcap" ; then + V_PCAP="$withval" +else + # + # Check for a bunch of headers for various packet + # capture mechanisms. + # + AC_CHECK_HEADERS(net/bpf.h) + if test "$ac_cv_header_net_bpf_h" = yes; then + # + # Does it define BIOCSETIF? + # I.e., is it a header for an LBL/BSD-style capture + # mechanism, or is it just a header for a BPF filter + # engine? Some versions of Arch Linux, for example, + # have a net/bpf.h that doesn't define BIOCSETIF; + # as it's a Linux, it should use packet sockets, + # instead. + # + # We need: + # + # sys/types.h, because FreeBSD 10's net/bpf.h + # requires that various BSD-style integer types + # be defined; + # + # sys/time.h, because AIX 5.2 and 5.3's net/bpf.h + # doesn't include it but does use struct timeval + # in ioctl definitions; + # + # sys/ioctl.h and, if we have it, sys/ioccom.h, + # because net/bpf.h defines ioctls; + # + # net/if.h, because it defines some structures + # used in ioctls defined by net/bpf.h; + # + # sys/socket.h, because OpenBSD 5.9's net/bpf.h + # defines some structure fields as being + # struct sockaddrs; + # + # and net/bpf.h doesn't necessarily include all + # of those headers itself. + # + AC_MSG_CHECKING(if net/bpf.h defines BIOCSETIF) + AC_CACHE_VAL(ac_cv_lbl_bpf_h_defines_biocsetif, + AC_TRY_COMPILE( +[ +#include <sys/types.h> +#include <sys/time.h> +#include <sys/ioctl.h> +#include <sys/socket.h> +#ifdef HAVE_SYS_IOCCOM_H +#include <sys/ioccom.h> +#endif +#include <net/bpf.h> +#include <net/if.h> +], + [u_int i = BIOCSETIF;], + ac_cv_lbl_bpf_h_defines_biocsetif=yes, + ac_cv_lbl_bpf_h_defines_biocsetif=no)) + AC_MSG_RESULT($ac_cv_lbl_bpf_h_defines_biocsetif) + fi + AC_CHECK_HEADERS(net/pfilt.h net/enet.h) + AC_CHECK_HEADERS(net/nit.h sys/net/nit.h) + AC_CHECK_HEADERS(linux/socket.h net/raw.h sys/dlpi.h) + + if test "$ac_cv_lbl_bpf_h_defines_biocsetif" = yes; then + # + # BPF. + # Check this before DLPI, so that we pick BPF on + # Solaris 11 and later. + # + V_PCAP=bpf + + # + # We have BPF, so build valgrindtest with "make test" + # on macOS and FreeBSD (add your OS once there's a + # valgrind for it). + # + case "$host_os" in + + freebsd*|darwin*|linux*) + VALGRINDTEST_SRC=valgrindtest.c + ;; + esac + elif test "$ac_cv_header_linux_socket_h" = yes; then + # + # No prizes for guessing this one. + # + V_PCAP=linux + + # + # XXX - this won't work with older kernels that have + # SOCK_PACKET sockets but not PF_PACKET sockets. + # + VALGRINDTEST_SRC=valgrindtest.c + elif test "$ac_cv_header_net_pfilt_h" = yes; then + # + # DEC OSF/1, Digital UNIX, Tru64 UNIX + # + V_PCAP=pf + elif test "$ac_cv_header_net_enet_h" = yes; then + # + # Stanford Enetfilter. + # + V_PCAP=enet + elif test "$ac_cv_header_net_nit_h" = yes; then + # + # SunOS 4.x STREAMS NIT. + # + V_PCAP=snit + elif test "$ac_cv_header_sys_net_nit_h" = yes; then + # + # Pre-SunOS 4.x non-STREAMS NIT. + # + V_PCAP=nit + elif test "$ac_cv_header_net_raw_h" = yes; then + # + # IRIX snoop. + # + V_PCAP=snoop + elif test "$ac_cv_header_sys_dlpi_h" = yes; then + # + # DLPI on pre-Solaris 11 SunOS 5, HP-UX, possibly others. + # + V_PCAP=dlpi + else + # + # Nothing we support. + # + V_PCAP=null + AC_MSG_WARN(cannot determine packet capture interface) + AC_MSG_WARN((see the INSTALL doc for more info)) + fi +fi +AC_MSG_CHECKING(packet capture type) +AC_MSG_RESULT($V_PCAP) +AC_SUBST(VALGRINDTEST_SRC) + +# +# Do capture-mechanism-dependent tests. +# +case "$V_PCAP" in +dlpi) + # + # Needed for common functions used by pcap-[dlpi,libdlpi].c + # + SSRC="dlpisubs.c" + + # + # Checks for some header files. + # + AC_CHECK_HEADERS(sys/bufmod.h sys/dlpi_ext.h) + + # + # Checks to see if Solaris has the public libdlpi(3LIB) library. + # Note: The existence of /usr/include/libdlpi.h does not mean it is the + # public libdlpi(3LIB) version. Before libdlpi was made public, a + # private version also existed, which did not have the same APIs. + # Due to a gcc bug, the default search path for 32-bit libraries does + # not include /lib, we add it explicitly here. + # [http://bugs.opensolaris.org/view_bug.do?bug_id=6619485]. + # Also, due to the bug above applications that link to libpcap with + # libdlpi will have to add "-L/lib" option to "configure". + # + saved_ldflags=$LDFLAGS + LDFLAGS="$LIBS -L/lib" + AC_CHECK_LIB(dlpi, dlpi_walk, + [ + LIBS="-ldlpi $LIBS" + V_PCAP=libdlpi + AC_DEFINE(HAVE_LIBDLPI,1,[if libdlpi exists]) + ], + V_PCAP=dlpi) + LDFLAGS=$saved_ldflags + + # + # Checks whether <sys/dlpi.h> is usable, to catch weird SCO + # versions of DLPI. + # + AC_MSG_CHECKING(whether <sys/dlpi.h> is usable) + AC_CACHE_VAL(ac_cv_sys_dlpi_usable, + AC_TRY_COMPILE( + [ + #include <sys/types.h> + #include <sys/time.h> + #include <sys/dlpi.h> + ], + [int i = DL_PROMISC_PHYS;], + ac_cv_sys_dlpi_usable=yes, + ac_cv_sys_dlpi_usable=no)) + AC_MSG_RESULT($ac_cv_sys_dlpi_usable) + if test $ac_cv_sys_dlpi_usable = no ; then + AC_MSG_ERROR(<sys/dlpi.h> is not usable on this system; it probably has a non-standard DLPI) + fi + + # + # Check to see if Solaris has the dl_passive_req_t struct defined + # in <sys/dlpi.h>. + # This check is for DLPI support for passive modes. + # See dlpi(7P) for more details. + # + AC_CHECK_TYPES(dl_passive_req_t,,, + [ + #include <sys/types.h> + #include <sys/dlpi.h> + ]) + ;; + +linux) + # + # Do we have the wireless extensions? + # + AC_CHECK_HEADERS(linux/wireless.h, [], [], + [ +#include <sys/socket.h> +#include <linux/if.h> +#include <linux/types.h> + ]) + + # + # Do we have libnl? + # + AC_ARG_WITH(libnl, + AC_HELP_STRING([--without-libnl],[disable libnl support @<:@default=yes, on Linux, if present@:>@]), + with_libnl=$withval,with_libnl=if_available) + + if test x$with_libnl != xno ; then + have_any_nl="no" + + incdir=-I/usr/include/libnl3 + libnldir= + case "$with_libnl" in + + yes|if_available) + ;; + + *) + if test -d $withval; then + libnldir=-L${withval}/lib/.libs + incdir=-I${withval}/include + fi + ;; + esac + + # + # Try libnl 3.x first. + # + AC_CHECK_LIB(nl-3, nl_socket_alloc, + [ + # + # Yes, we have libnl 3.x. + # + LIBS="${libnldir} -lnl-genl-3 -lnl-3 $LIBS" + AC_DEFINE(HAVE_LIBNL,1,[if libnl exists]) + AC_DEFINE(HAVE_LIBNL_3_x,1,[if libnl exists and is version 3.x]) + AC_DEFINE(HAVE_LIBNL_NLE,1,[libnl has NLE_FAILURE]) + AC_DEFINE(HAVE_LIBNL_SOCKETS,1,[libnl has new-style socket api]) + V_INCLS="$V_INCLS ${incdir}" + have_any_nl="yes" + ],[], ${incdir} ${libnldir} -lnl-genl-3 -lnl-3 ) + + if test x$have_any_nl = xno ; then + # + # Try libnl 2.x + # + AC_CHECK_LIB(nl, nl_socket_alloc, + [ + # + # Yes, we have libnl 2.x. + # + LIBS="${libnldir} -lnl-genl -lnl $LIBS" + AC_DEFINE(HAVE_LIBNL,1,[if libnl exists]) + AC_DEFINE(HAVE_LIBNL_2_x,1,[if libnl exists and is version 2.x]) + AC_DEFINE(HAVE_LIBNL_NLE,1,[libnl has NLE_FAILURE]) + AC_DEFINE(HAVE_LIBNL_SOCKETS,1,[libnl has new-style socket api]) + have_any_nl="yes" + ]) + fi + + if test x$have_any_nl = xno ; then + # + # No, we don't; do we have libnl 1.x? + # + AC_CHECK_LIB(nl, nl_handle_alloc, + [ + # + # Yes. + # + LIBS="${libnldir} -lnl $LIBS" + AC_DEFINE(HAVE_LIBNL,1,[if libnl exists]) + have_any_nl="yes" + ]) + fi + + if test x$have_any_nl = xno ; then + # + # No, we don't have libnl at all. + # + if test x$with_libnl = xyes ; then + AC_MSG_ERROR([libnl support requested but libnl not found]) + fi + fi + fi + + AC_CHECK_HEADERS(linux/ethtool.h,,, + [ +AC_INCLUDES_DEFAULT +#include <linux/types.h> + ]) + + # + # Check to see if struct tpacket_stats is defined in + # <linux/if_packet.h>. If so, then pcap-linux.c can use this + # to report proper statistics. + # + # -Scott Barron + # + AC_CHECK_TYPES(struct tpacket_stats,,, + [ + #include <linux/if_packet.h> + ]) + + # + # Check to see if the tpacket_auxdata struct has a tp_vlan_tci member. + # + # NOTE: any failure means we conclude that it doesn't have that + # member, so if we don't have tpacket_auxdata, we conclude it + # doesn't have that member (which is OK, as either we won't be + # using code that would use that member, or we wouldn't compile + # in any case). + AC_CHECK_MEMBERS([struct tpacket_auxdata.tp_vlan_tci],,, + [ + #include <sys/types.h> + #include <linux/if_packet.h> + ]) + ;; + +bpf) + # + # Check whether we have the *BSD-style ioctls. + # + AC_CHECK_HEADERS(net/if_media.h) + + # + # Check whether we have struct BPF_TIMEVAL. + # + AC_CHECK_TYPES(struct BPF_TIMEVAL,,, + [ + #include <sys/types.h> + #include <sys/ioctl.h> + #ifdef HAVE_SYS_IOCCOM_H + #include <sys/ioccom.h> + #endif + #include <net/bpf.h> + ]) + ;; + +dag) + # + # --with-pcap=dag is the only way to get here, and it means + # "DAG support but nothing else" + # + V_DEFS="$V_DEFS -DDAG_ONLY" + xxx_only=yes + ;; + +septel) + # + # --with-pcap=septel is the only way to get here, and it means + # "Septel support but nothing else" + # + V_DEFS="$V_DEFS -DSEPTEL_ONLY" + xxx_only=yes + ;; + +snf) + # + # --with-pcap=snf is the only way to get here, and it means + # "SNF support but nothing else" + # + V_DEFS="$V_DEFS -DSNF_ONLY" + xxx_only=yes + ;; + +null) + ;; + +*) + AC_MSG_ERROR($V_PCAP is not a valid pcap type) + ;; +esac + +dnl +dnl Now figure out how we get a list of interfaces and addresses, +dnl if we support capturing. Don't bother if we don't support +dnl capturing. +dnl +if test "$V_PCAP" != null +then + AC_CHECK_FUNC(getifaddrs,[ + # + # We have "getifaddrs()"; make sure we have <ifaddrs.h> + # as well, just in case some platform is really weird. + # + AC_CHECK_HEADER(ifaddrs.h,[ + # + # We have the header, so we use "getifaddrs()" to + # get the list of interfaces. + # + V_FINDALLDEVS=fad-getad.c + ],[ + # + # We don't have the header - give up. + # XXX - we could also fall back on some other + # mechanism, but, for now, this'll catch this + # problem so that we can at least try to figure + # out something to do on systems with "getifaddrs()" + # but without "ifaddrs.h", if there is something + # we can do on those systems. + # + AC_MSG_ERROR([Your system has getifaddrs() but doesn't have a usable <ifaddrs.h>.]) + ]) + ],[ + # + # Well, we don't have "getifaddrs()", at least not with the + # libraries with which we've decided we need to link + # libpcap with, so we have to use some other mechanism. + # + # Note that this may happen on Solaris, which has + # getifaddrs(), but in -lsocket, not in -lxnet, so we + # won't find it if we link with -lxnet, which we want + # to do for other reasons. + # + # For now, we use either the SIOCGIFCONF ioctl or the + # SIOCGLIFCONF ioctl, preferring the latter if we have + # it; the latter is a Solarisism that first appeared + # in Solaris 8. (Solaris's getifaddrs() appears to + # be built atop SIOCGLIFCONF; using it directly + # avoids a not-all-that-useful middleman.) + # + AC_MSG_CHECKING(whether we have SIOCGLIFCONF) + AC_CACHE_VAL(ac_cv_lbl_have_siocglifconf, + AC_TRY_COMPILE( + [#include <sys/param.h> + #include <sys/file.h> + #include <sys/ioctl.h> + #include <sys/socket.h> + #include <sys/sockio.h>], + [ioctl(0, SIOCGLIFCONF, (char *)0);], + ac_cv_lbl_have_siocglifconf=yes, + ac_cv_lbl_have_siocglifconf=no)) + AC_MSG_RESULT($ac_cv_lbl_have_siocglifconf) + if test $ac_cv_lbl_have_siocglifconf = yes ; then + V_FINDALLDEVS=fad-glifc.c + else + V_FINDALLDEVS=fad-gifc.c + fi + ]) +fi +]) + +dnl check for hardware timestamp support +case "$host_os" in +linux*) + AC_CHECK_HEADERS([linux/net_tstamp.h]) + ;; +*) + AC_MSG_NOTICE(no hardware timestamp support implemented for $host_os) + ;; +esac + +AC_ARG_ENABLE([packet-ring], +[AC_HELP_STRING([--enable-packet-ring],[enable packet ring support on Linux @<:@default=yes@:>@])], +,enable_packet_ring=yes) + +if test "x$enable_packet_ring" != "xno" ; then + AC_DEFINE(PCAP_SUPPORT_PACKET_RING, 1, [use packet ring capture support on Linux if available]) + AC_SUBST(PCAP_SUPPORT_PACKET_RING) +fi + +# +# Check for socklen_t. +# +AC_CHECK_TYPES(socklen_t,,, + [ + #include <sys/types.h> + #include <sys/socket.h> + ]) + +AC_ARG_ENABLE(ipv6, +AC_HELP_STRING([--enable-ipv6],[build IPv6-capable version @<:@default=yes@:>@]), + [], + [enable_ipv6=yes]) +if test "$enable_ipv6" != "no"; then + # + # We've already made sure we have getaddrinfo above in + # AC_LBL_LIBRARY_NET. + # + AC_DEFINE(INET6,1,[IPv6]) +fi + +# Check for Endace DAG card support. +AC_ARG_WITH([dag], +AC_HELP_STRING([--with-dag@<:@=DIR@:>@],[include Endace DAG support (located in directory DIR, if supplied). @<:@default=yes, if present@:>@]), +[ + if test "$withval" = no + then + # User doesn't want DAG support. + want_dag=no + elif test "$withval" = yes + then + # User wants DAG support but hasn't specified a directory. + want_dag=yes + else + # User wants DAG support and has specified a directory, so use the provided value. + want_dag=yes + dag_root=$withval + fi +],[ + if test "$V_PCAP" = dag; then + # User requested DAG-only libpcap, so we'd better have + # the DAG API. + want_dag=yes + elif test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want DAG support. + want_dag=no + else + # + # Use DAG API if present, otherwise don't + # + want_dag=ifpresent + fi +]) + +AC_ARG_WITH([dag-includes], +AC_HELP_STRING([--with-dag-includes=IDIR],[Endace DAG include directory, if not DIR/include]), +[ + # User wants DAG support and has specified a header directory, so use the provided value. + want_dag=yes + dag_include_dir=$withval +],[]) + +AC_ARG_WITH([dag-libraries], +AC_HELP_STRING([--with-dag-libraries=LDIR],[Endace DAG library directory, if not DIR/lib]), +[ + # User wants DAG support and has specified a library directory, so use the provided value. + want_dag=yes + dag_lib_dir=$withval +],[]) + +if test "$want_dag" != no; then + + # If necessary, set default paths for DAG API headers and libraries. + if test -z "$dag_root"; then + dag_root=/usr/local + fi + + if test -z "$dag_include_dir"; then + dag_include_dir="$dag_root/include" + fi + + if test -z "$dag_lib_dir"; then + dag_lib_dir="$dag_root/lib" + fi + + V_INCLS="$V_INCLS -I$dag_include_dir" + + AC_CHECK_HEADERS([dagapi.h]) + + if test "$ac_cv_header_dagapi_h" = yes; then + + if test $V_PCAP != dag ; then + SSRC="$SSRC pcap-dag.c" + fi + + # Check for various DAG API functions. + # Don't need to save and restore LIBS to prevent -ldag being + # included if there's a found-action (arg 3). + saved_ldflags=$LDFLAGS + LDFLAGS="-L$dag_lib_dir" + AC_CHECK_LIB([dag], [dag_attach_stream], + [], + [AC_MSG_ERROR(DAG library lacks streams support)]) + AC_CHECK_LIB([dag], [dag_attach_stream64], [dag_large_streams="1"], [dag_large_streams="0"]) + AC_CHECK_LIB([dag],[dag_get_erf_types], [ + AC_DEFINE(HAVE_DAG_GET_ERF_TYPES, 1, [define if you have dag_get_erf_types()])]) + AC_CHECK_LIB([dag],[dag_get_stream_erf_types], [ + AC_DEFINE(HAVE_DAG_GET_STREAM_ERF_TYPES, 1, [define if you have dag_get_stream_erf_types()])]) + + LDFLAGS=$saved_ldflags + + # + # We assume that if we have libdag we have libdagconf, + # as they're installed at the same time from the same + # package. + # + LIBS="$LIBS -ldag -ldagconf" + LDFLAGS="$LDFLAGS -L$dag_lib_dir" + + if test "$dag_large_streams" = 1; then + AC_DEFINE(HAVE_DAG_LARGE_STREAMS_API, 1, [define if you have large streams capable DAG API]) + AC_CHECK_LIB([vdag],[vdag_set_device_info], [ac_dag_have_vdag="1"], [ac_dag_have_vdag="0"]) + if test "$ac_dag_have_vdag" = 1; then + AC_DEFINE(HAVE_DAG_VDAG, 1, [define if you have vdag_set_device_info()]) + if test "$ac_lbl_have_pthreads" != "found"; then + AC_MSG_ERROR([DAG requires pthreads, but we didn't find them]) + fi + LIBS="$LIBS $PTHREAD_LIBS" + fi + fi + + AC_DEFINE(HAVE_DAG_API, 1, [define if you have the DAG API]) + else + + if test "$V_PCAP" = dag; then + # User requested "dag" capture type but we couldn't + # find the DAG API support. + AC_MSG_ERROR([DAG support requested with --with-pcap=dag, but the DAG headers weren't found at $dag_include_dir: make sure the DAG support is installed, specify a different path or paths if necessary, or don't request DAG support]) + fi + + if test "$want_dag" = yes; then + # User wanted DAG support but we couldn't find it. + AC_MSG_ERROR([DAG support requested with --with-dag, but the DAG headers weren't found at $dag_include_dir: make sure the DAG support is installed, specify a different path or paths if necessary, or don't request DAG support]) + fi + fi +fi + +AC_ARG_WITH(septel, +AC_HELP_STRING([--with-septel@<:@=DIR@:>@],[include Septel support (located in directory DIR, if supplied). @<:@default=yes, if present@:>@]), +[ + if test "$withval" = no + then + want_septel=no + elif test "$withval" = yes + then + want_septel=yes + septel_root= + else + want_septel=yes + septel_root=$withval + fi +],[ + if test "$V_PCAP" = septel; then + # User requested Septel-only libpcap, so we'd better have + # the Septel API. + want_septel=yes + elif test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want Septel support. + want_septel=no + else + # + # Use Septel API if present, otherwise don't + # + want_septel=ifpresent + fi +]) + +ac_cv_lbl_septel_api=no +if test "$with_septel" != no; then + + AC_MSG_CHECKING([whether we have Septel API headers]) + + # If necessary, set default paths for Septel API headers and libraries. + if test -z "$septel_root"; then + septel_root=$srcdir/../septel + fi + + septel_tools_dir="$septel_root" + septel_include_dir="$septel_root/INC" + + if test -r "$septel_include_dir/msg.h"; then + ac_cv_lbl_septel_api=yes + fi + + if test "$ac_cv_lbl_septel_api" = yes; then + AC_MSG_RESULT([yes ($septel_include_dir)]) + + V_INCLS="$V_INCLS -I$septel_include_dir" + ADDLOBJS="$ADDLOBJS $septel_tools_dir/asciibin.o $septel_tools_dir/bit2byte.o $septel_tools_dir/confirm.o $septel_tools_dir/fmtmsg.o $septel_tools_dir/gct_unix.o $septel_tools_dir/hqueue.o $septel_tools_dir/ident.o $septel_tools_dir/mem.o $septel_tools_dir/pack.o $septel_tools_dir/parse.o $septel_tools_dir/pool.o $septel_tools_dir/sdlsig.o $septel_tools_dir/strtonum.o $septel_tools_dir/timer.o $septel_tools_dir/trace.o" + ADDLARCHIVEOBJS="$ADDLARCHIVEOBJS $septel_tools_dir/asciibin.o $septel_tools_dir/bit2byte.o $septel_tools_dir/confirm.o $septel_tools_dir/fmtmsg.o $septel_tools_dir/gct_unix.o $septel_tools_dir/hqueue.o $septel_tools_dir/ident.o $septel_tools_dir/mem.o $septel_tools_dir/pack.o $septel_tools_dir/parse.o $septel_tools_dir/pool.o $septel_tools_dir/sdlsig.o $septel_tools_dir/strtonum.o $septel_tools_dir/timer.o $septel_tools_dir/trace.o" + + if test "$V_PCAP" != septel ; then + SSRC="$SSRC pcap-septel.c" + fi + + AC_DEFINE(HAVE_SEPTEL_API, 1, [define if you have the Septel API]) + else + AC_MSG_RESULT(no) + + if test "$V_PCAP" = septel; then + # User requested "septel" capture type but + # we couldn't find the Septel API support. + AC_MSG_ERROR([Septel support requested with --with-pcap=septel, but the Septel headers weren't found at $septel_include_dir: make sure the Septel support is installed, specify a different path or paths if necessary, or don't request Septel support]) + fi + + if test "$want_septel" = yes; then + # User wanted Septel support but we couldn't find it. + AC_MSG_ERROR([Septel support requested with --with-septel, but the Septel headers weren't found at $septel_include_dir: make sure the Septel support is installed, specify a different path or paths if necessary, or don't request Septel support]) + fi + fi +fi + +# Check for Myricom SNF support. +AC_ARG_WITH([snf], +AC_HELP_STRING([--with-snf@<:@=DIR@:>@],[include Myricom SNF support (located in directory DIR, if supplied). @<:@default=yes, if present@:>@]), +[ + if test "$withval" = no + then + # User explicitly doesn't want SNF + want_snf=no + elif test "$withval" = yes + then + # User wants SNF support but hasn't specified a directory. + want_snf=yes + else + # User wants SNF support with a specified directory. + want_snf=yes + snf_root=$withval + fi +],[ + if test "$V_PCAP" = snf; then + # User requested Sniffer-only libpcap, so we'd better have + # the Sniffer API. + want_snf=yes + elif test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want SNF support. + want_snf=no + else + # + # Use Sniffer API if present, otherwise don't + # + want_snf=ifpresent + fi +]) + +AC_ARG_WITH([snf-includes], +AC_HELP_STRING([--with-snf-includes=IDIR],[Myricom SNF include directory, if not DIR/include]), +[ + # User wants SNF with specific header directory + want_snf=yes + snf_include_dir=$withval +],[]) + +AC_ARG_WITH([snf-libraries], +AC_HELP_STRING([--with-snf-libraries=LDIR],[Myricom SNF library directory, if not DIR/lib]), +[ + # User wants SNF with specific lib directory + want_snf=yes + snf_lib_dir=$withval +],[]) + +ac_cv_lbl_snf_api=no +if test "$with_snf" != no; then + + AC_MSG_CHECKING(whether we have Myricom Sniffer API) + + # If necessary, set default paths for Sniffer headers and libraries. + if test -z "$snf_root"; then + snf_root=/opt/snf + fi + + if test -z "$snf_include_dir"; then + snf_include_dir="$snf_root/include" + fi + + if test -z "$snf_lib_dir"; then + snf_lib_dir="$snf_root/lib" + fi + + if test -f "$snf_include_dir/snf.h"; then + # We found a header; make sure we can link with the library + saved_ldflags=$LDFLAGS + LDFLAGS="$LDFLAGS -L$snf_lib_dir" + AC_CHECK_LIB([snf], [snf_init], [ac_cv_lbl_snf_api="yes"]) + LDFLAGS="$saved_ldflags" + if test "$ac_cv_lbl_snf_api" = no; then + AC_MSG_ERROR(SNF API cannot correctly be linked; check config.log) + fi + fi + + if test "$ac_cv_lbl_snf_api" = yes; then + AC_MSG_RESULT([yes ($snf_root)]) + + V_INCLS="$V_INCLS -I$snf_include_dir" + LIBS="$LIBS -lsnf" + LDFLAGS="$LDFLAGS -L$snf_lib_dir" + + if test "$V_PCAP" != snf ; then + SSRC="$SSRC pcap-snf.c" + fi + + AC_DEFINE(HAVE_SNF_API, 1, [define if you have the Myricom SNF API]) + else + AC_MSG_RESULT(no) + + if test "$want_snf" = yes; then + # User requested "snf" capture type but + # we couldn't find the Sniffer API support. + AC_MSG_ERROR([Myricom Sniffer support requested with --with-pcap=snf, but the Sniffer headers weren't found at $snf_include_dir: make sure the Sniffer support is installed, specify a different path or paths if necessary, or don't request Sniffer support]) + fi + + if test "$want_snf" = yes; then + AC_MSG_ERROR([Myricom Sniffer support requested with --with-snf, but the Sniffer headers weren't found at $snf_include_dir: make sure the Sniffer support is installed, specify a different path or paths if necessary, or don't request Sniffer support]) + fi + fi +fi + +# Check for Riverbed TurboCap support. +AC_ARG_WITH([turbocap], +AC_HELP_STRING([--with-turbocap@<:@=DIR@:>@],[include Riverbed TurboCap support (located in directory DIR, if supplied). @<:@default=yes, if present@:>@]), +[ + if test "$withval" = no + then + # User explicitly doesn't want TurboCap + want_turbocap=no + elif test "$withval" = yes + then + # User wants TurboCap support but hasn't specified a directory. + want_turbocap=yes + else + # User wants TurboCap support with a specified directory. + want_turbocap=yes + turbocap_root=$withval + fi +],[ + if test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want TurboCap support. + want_turbocap=no + else + # + # Use TurboCap API if present, otherwise don't + # + want_turbocap=ifpresent + fi +]) + +ac_cv_lbl_turbocap_api=no +if test "$want_turbocap" != no; then + + AC_MSG_CHECKING(whether TurboCap is supported) + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + if test ! -z "$turbocap_root"; then + TURBOCAP_CFLAGS="-I$turbocap_root/include" + TURBOCAP_LIBS="-L$turbocap_root/lib" + CFLAGS="$CFLAGS $TURBOCAP_CFLAGS" + fi + + AC_TRY_COMPILE( + [ + #include <TcApi.h> + ], + [ + TC_INSTANCE a; TC_PORT b; TC_BOARD c; + TC_INSTANCE i; + (void)TcInstanceCreateByName("foo", &i); + ], + ac_cv_lbl_turbocap_api=yes) + + CFLAGS="$save_CFLAGS" + if test $ac_cv_lbl_turbocap_api = yes; then + AC_MSG_RESULT(yes) + + SSRC="$SSRC pcap-tc.c" + V_INCLS="$V_INCLS $TURBOCAP_CFLAGS" + LIBS="$LIBS $TURBOCAP_LIBS -lTcApi -lpthread -lstdc++" + + AC_DEFINE(HAVE_TC_API, 1, [define if you have the TurboCap API]) + else + AC_MSG_RESULT(no) + + if test "$want_turbocap" = yes; then + # User wanted Turbo support but we couldn't find it. + AC_MSG_ERROR([TurboCap support requested with --with-turbocap, but the TurboCap headers weren't found: make sure the TurboCap support is installed or don't request TurboCap support]) + fi + fi +fi + +dnl +dnl Allow the user to enable remote capture. +dnl It's off by default, as that increases the attack surface of +dnl libpcap, exposing it to malicious servers. +dnl +AC_MSG_CHECKING([whether to enable remote packet capture]) +AC_ARG_ENABLE(remote, +[ --enable-remote enable remote packet capture @<:@default=no@:>@ + --disable-remote disable remote packet capture],, + enableval=no) +case "$enableval" in +yes) AC_MSG_RESULT(yes) + AC_WARN([Remote packet capture may expose libpcap-based applications]) + AC_WARN([to attacks by malicious remote capture servers!]) + # + # rpcapd requires pthreads on UN*X. + # + if test "$ac_lbl_have_pthreads" != "found"; then + AC_MSG_ERROR([rpcapd requires pthreads, but we didn't find them]) + fi + # + # It also requires crypt(). + # Do we have it in the system libraries? + # + AC_CHECK_FUNC(crypt,, + [ + # + # No. Do we have it in -lcrypt? + # + AC_CHECK_LIB(crypt, crypt, + [ + # + # Yes; add -lcrypt to the libraries for rpcapd. + # + RPCAPD_LIBS="$RPCAPD_LIBS -lcrypt" + ], + [ + AC_MSG_ERROR([rpcapd requires crypt(), but we didn't find it]) + ]) + ]) + + # + # OK, we have crypt(). Do we have getspnam()? + # + AC_CHECK_FUNCS(getspnam) + + # + # Check for various members of struct msghdr. + # + AC_CHECK_MEMBERS([struct msghdr.msg_control],,, + [ + #include "ftmacros.h" + #include <sys/socket.h> + ]) + AC_CHECK_MEMBERS([struct msghdr.msg_flags],,, + [ + #include "ftmacros.h" + #include <sys/socket.h> + ]) + + AC_DEFINE(ENABLE_REMOTE,, + [Define to 1 if remote packet capture is to be supported]) + SSRC="$SSRC pcap-new.c pcap-rpcap.c rpcap-protocol.c sockutils.c" + BUILD_RPCAPD=build-rpcapd + INSTALL_RPCAPD=install-rpcapd + ;; +*) AC_MSG_RESULT(no) + ;; +esac + +AC_MSG_CHECKING(whether to build optimizer debugging code) +AC_ARG_ENABLE(optimizer-dbg, +AC_HELP_STRING([--enable-optimizer-dbg],[build optimizer debugging code])) +if test "$enable_optimizer_dbg" = "yes"; then + AC_DEFINE(BDEBUG,1,[Enable optimizer debugging]) +fi +AC_MSG_RESULT(${enable_optimizer_dbg-no}) + +AC_MSG_CHECKING(whether to build parser debugging code) +AC_ARG_ENABLE(yydebug, +AC_HELP_STRING([--enable-yydebug],[build parser debugging code])) +if test "$enable_yydebug" = "yes"; then + AC_DEFINE(YYDEBUG,1,[Enable parser debugging]) +fi +AC_MSG_RESULT(${enable_yydebug-no}) + +# +# Look for {f}lex. +# +AC_PROG_LEX +if test "$LEX" = ":"; then + AC_MSG_ERROR([Neither flex nor lex was found.]) +fi + +# +# Make sure {f}lex supports the -P, --header-file, and --nounput flags +# and supports processing our scanner.l. +# +AC_CACHE_CHECK([for capable lex], tcpdump_cv_capable_lex, + if $LEX -P pcap_ --header-file=/dev/null --nounput -t $srcdir/scanner.l > /dev/null 2>&1; then + tcpdump_cv_capable_lex=yes + else + tcpdump_cv_capable_lex=insufficient + fi) +if test $tcpdump_cv_capable_lex = insufficient ; then + AC_MSG_ERROR([$LEX is insufficient to compile libpcap. + libpcap requires Flex 2.5.31 or later, or a compatible version of lex.]) +fi + +# +# Look for yacc/bison/byacc. +# +AC_PROG_YACC + +# +# Make sure it supports the -p flag and supports processing our +# grammar.y. +# +AC_CACHE_CHECK([for capable yacc/bison], tcpdump_cv_capable_yacc, + if $YACC -p pcap_ -o /dev/null $srcdir/grammar.y >/dev/null 2>&1; then + tcpdump_cv_capable_yacc=yes + else + tcpdump_cv_capable_yacc=insufficient + fi) +if test $tcpdump_cv_capable_yacc = insufficient ; then + AC_MSG_ERROR([$YACC is insufficient to compile libpcap. + libpcap requires Bison, a newer version of Berkeley YACC with support + for reentrant parsers, or another YACC compatible with them.]) +fi + +# +# Do various checks for various OSes and versions of those OSes. +# +# Assume, by default, no support for shared libraries and V7/BSD +# convention for man pages (devices in section 4, file formats in +# section 5, miscellaneous info in section 7, administrative commands +# and daemons in section 8). Individual cases can override this. +# +DYEXT="none" +MAN_DEVICES=4 +MAN_FILE_FORMATS=5 +MAN_MISC_INFO=7 +MAN_ADMIN_COMMANDS=8 +case "$host_os" in + +aix*) + dnl Workaround to enable certain features + AC_DEFINE(_SUN,1,[define on AIX to get certain functions]) + + # + # AIX makes it fun to build shared and static libraries, + # because they're *both* ".a" archive libraries. We + # build the static library for the benefit of the traditional + # scheme of building libpcap and tcpdump in subdirectories of + # the same directory, with tcpdump statically linked with the + # libpcap in question, but we also build a shared library as + # "libpcap.shareda" and install *it*, rather than the static + # library, as "libpcap.a". + # + DYEXT="shareda" + + case "$V_PCAP" in + + dlpi) + # + # If we're using DLPI, applications will need to + # use /lib/pse.exp if present, as we use the + # STREAMS routines. + # + pseexe="/lib/pse.exp" + AC_MSG_CHECKING(for $pseexe) + if test -f $pseexe ; then + AC_MSG_RESULT(yes) + LIBS="-I:$pseexe" + fi + ;; + + bpf) + # + # If we're using BPF, we need "-lodm" and "-lcfg", as + # we use them to load the BPF module. + # + LIBS="-lodm -lcfg" + ;; + esac + ;; + +darwin*) + DYEXT="dylib" + V_CCOPT="$V_CCOPT -fno-common" + AC_ARG_ENABLE(universal, + AC_HELP_STRING([--disable-universal],[don't build universal on macOS])) + if test "$enable_universal" != "no"; then + case "$host_os" in + + darwin[[0-7]].*) + # + # Pre-Tiger. Build only for 32-bit PowerPC; no + # need for any special compiler or linker flags. + # + ;; + + darwin8.[[0123]]|darwin8.[[0123]].*) + # + # Tiger, prior to Intel support. Build + # libraries and executables for 32-bit PowerPC + # and 64-bit PowerPC, with 32-bit PowerPC first. + # (I'm guessing that's what Apple does.) + # + # (The double brackets are needed because + # autotools/m4 use brackets as a quoting + # character; the double brackets turn into + # single brackets in the generated configure + # file.) + # + V_LIB_CCOPT_FAT="-arch ppc -arch ppc64" + V_LIB_LDFLAGS_FAT="-arch ppc -arch ppc64" + V_PROG_CCOPT_FAT="-arch ppc -arch ppc64" + V_PROG_LDFLAGS_FAT="-arch ppc -arch ppc64" + ;; + + darwin8.[[456]]|darwin.[[456]].*) + # + # Tiger, subsequent to Intel support but prior + # to x86-64 support. Build libraries and + # executables for 32-bit PowerPC, 64-bit + # PowerPC, and 32-bit x86, with 32-bit PowerPC + # first. (I'm guessing that's what Apple does.) + # + # (The double brackets are needed because + # autotools/m4 use brackets as a quoting + # character; the double brackets turn into + # single brackets in the generated configure + # file.) + # + V_LIB_CCOPT_FAT="-arch ppc -arch ppc64 -arch i386" + V_LIB_LDFLAGS_FAT="-arch ppc -arch ppc64 -arch i386" + V_PROG_CCOPT_FAT="-arch ppc -arch ppc64 -arch i386" + V_PROG_LDFLAGS_FAT="-arch ppc -arch ppc64 -arch i386" + ;; + + darwin8.*) + # + # All other Tiger, so subsequent to x86-64 + # support. Build libraries and executables for + # 32-bit PowerPC, 64-bit PowerPC, 32-bit x86, + # and x86-64, with 32-bit PowerPC first. (I'm + # guessing that's what Apple does.) + # + V_LIB_CCOPT_FAT="-arch ppc -arch ppc64 -arch i386 -arch x86_64" + V_LIB_LDFLAGS_FAT="-arch ppc -arch ppc64 -arch i386 -arch x86_64" + V_PROG_CCOPT_FAT="-arch ppc -arch ppc64 -arch i386 -arch x86_64" + V_PROG_LDFLAGS_FAT="-arch ppc -arch ppc64 -arch i386 -arch x86_64" + ;; + + darwin9.*) + # + # Leopard. Build libraries for 32-bit PowerPC, + # 64-bit PowerPC, 32-bit x86, and x86-64, with + # 32-bit PowerPC first, and build executables + # for 32-bit x86 and 32-bit PowerPC, with 32-bit + # x86 first. (That's what Apple does.) + # + V_LIB_CCOPT_FAT="-arch ppc -arch ppc64 -arch i386 -arch x86_64" + V_LIB_LDFLAGS_FAT="-arch ppc -arch ppc64 -arch i386 -arch x86_64" + V_PROG_CCOPT_FAT="-arch i386 -arch ppc" + V_PROG_LDFLAGS_FAT="-arch i386 -arch ppc" + ;; + + darwin10.*) + # + # Snow Leopard. Build libraries for x86-64, + # 32-bit x86, and 32-bit PowerPC, with x86-64 + # first, and build executables for x86-64 and + # 32-bit x86, with x86-64 first. (That's what + # Apple does, even though Snow Leopard doesn't + # run on PPC, so PPC libpcap runs under Rosetta, + # and Rosetta doesn't support BPF ioctls, so PPC + # programs can't do live captures.) + # + V_LIB_CCOPT_FAT="-arch x86_64 -arch i386 -arch ppc" + V_LIB_LDFLAGS_FAT="-arch x86_64 -arch i386 -arch ppc" + V_PROG_CCOPT_FAT="-arch x86_64 -arch i386" + V_PROG_LDFLAGS_FAT="-arch x86_64 -arch i386" + ;; + + darwin*) + # + # Post-Snow Leopard. Build libraries for x86-64 + # and 32-bit x86, with x86-64 first, and build + # executables only for x86-64. (That's what + # Apple does.) This requires no special flags + # for programs. + # XXX - update if and when Apple drops support + # for 32-bit x86 code and if and when Apple adds + # ARM-based Macs. (You're on your own for iOS + # etc.) + # + # XXX - check whether we *can* build for + # i386 and, if not, suggest that the user + # install the /usr/include headers if they + # want to build fat. + # + AC_MSG_CHECKING(whether building for 32-bit x86 is supported) + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -arch i386" + AC_TRY_COMPILE( + [], + [return 0;], + [ + AC_MSG_RESULT(yes) + V_LIB_CCOPT_FAT="-arch x86_64 -arch i386" + V_LIB_LDFLAGS_FAT="-arch x86_64 -arch i386" + ], + [ + AC_MSG_RESULT(no) + V_LIB_CCOPT_FAT="-arch x86_64" + V_LIB_LDFLAGS_FAT="-arch x86_64" + case "$host_os" in + + darwin18.*) + # + # Mojave; you need to install the + # /usr/include headers to get + # 32-bit x86 builds to work. + # + AC_MSG_WARN([Compiling for 32-bit x86 gives an error; try installing the command-line tools and, after that, installing the /usr/include headers from the /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg package]) + ;; + + *) + # + # Pre-Mojave; the command-line + # tools should be sufficient to + # enable 32-bit x86 builds. + # + AC_MSG_WARN([Compiling for 32-bit x86 gives an error; try installing the command-line tools]) + ;; + esac + ]) + CFLAGS="$save_CFLAGS" + ;; + esac + fi + ;; + +hpux9*) + AC_DEFINE(HAVE_HPUX9,1,[on HP-UX 9.x]) + + # + # Use System V conventions for man pages. + # + MAN_ADMIN_COMMANDS=1m + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +hpux10.0*) + + # + # Use System V conventions for man pages. + # + MAN_ADMIN_COMMANDS=1m + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +hpux10.1*) + + # + # Use System V conventions for man pages. + # + MAN_ADMIN_COMMANDS=1m + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +hpux*) + dnl HPUX 10.20 and above is similar to HPUX 9, but + dnl not the same.... + dnl + dnl XXX - DYEXT should be set to "sl" if this is building + dnl for 32-bit PA-RISC, but should be left as "so" for + dnl 64-bit PA-RISC or, I suspect, IA-64. + AC_DEFINE(HAVE_HPUX10_20_OR_LATER,1,[on HP-UX 10.20 or later]) + if test "`uname -m`" = "ia64"; then + DYEXT="so" + else + DYEXT="sl" + fi + + # + # "-b" builds a shared library; "+h" sets the soname. + # + SHLIB_OPT="-b" + SONAME_OPT="+h" + + # + # Use System V conventions for man pages. + # + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +irix*) + # + # Use IRIX conventions for man pages; they're the same as the + # System V conventions, except that they use section 8 for + # administrative commands and daemons. + # + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +linux*|freebsd*|netbsd*|openbsd*|dragonfly*|kfreebsd*|gnu*|midipix*) + DYEXT="so" + + # + # Compiler assumed to be GCC; run-time linker may require a -R + # flag. + # + if test "$libdir" != "/usr/lib"; then + V_RFLAGS=-Wl,-R$libdir + fi + ;; + +osf*) + DYEXT="so" + + # + # DEC OSF/1, a/k/a Digial UNIX, a/k/a Tru64 UNIX. + # Use Tru64 UNIX conventions for man pages; they're the same as + # the System V conventions except that they use section 8 for + # administrative commands and daemons. + # + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + MAN_DEVICES=7 + ;; + +sinix*) + AC_MSG_CHECKING(if SINIX compiler defines sinix) + AC_CACHE_VAL(ac_cv_cc_sinix_defined, + AC_TRY_COMPILE( + [], + [int i = sinix;], + ac_cv_cc_sinix_defined=yes, + ac_cv_cc_sinix_defined=no)) + AC_MSG_RESULT($ac_cv_cc_sinix_defined) + if test $ac_cv_cc_sinix_defined = no ; then + AC_DEFINE(sinix,1,[on sinix]) + fi + ;; + +solaris*) + AC_DEFINE(HAVE_SOLARIS,1,[On solaris]) + + DYEXT="so" + + # + # Make sure errno is thread-safe, in case we're called in + # a multithreaded program. We don't guarantee that two + # threads can use the *same* pcap_t safely, but the + # current version does guarantee that you can use different + # pcap_t's in different threads, and even that pcap_compile() + # is thread-safe (it wasn't thread-safe in some older versions). + # + V_CCOPT="$V_CCOPT -D_TS_ERRNO" + + case "`uname -r`" in + + 5.12) + ;; + + *) + # + # Use System V conventions for man pages. + # + MAN_ADMIN_COMMANDS=1m + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + MAN_DEVICES=7D + esac + ;; +esac + +AC_ARG_ENABLE(shared, +AC_HELP_STRING([--enable-shared],[build shared libraries @<:@default=yes, if support available@:>@])) +test "x$enable_shared" = "xno" && DYEXT="none" + +AC_PROG_RANLIB +AC_CHECK_TOOL([AR], [ar]) + +AC_PROG_LN_S +AC_SUBST(LN_S) + +AC_LBL_DEVEL(V_CCOPT) + +# +# Check to see if the sockaddr struct has the 4.4 BSD sa_len member. +# +AC_CHECK_MEMBERS([struct sockaddr.sa_len],,, + [ + #include <sys/types.h> + #include <sys/socket.h> + ]) + +# +# Check to see if there's a sockaddr_storage structure. +# +AC_CHECK_TYPES(struct sockaddr_storage,,, + [ + #include <sys/types.h> + #include <sys/socket.h> + ]) + +# +# Check to see if the dl_hp_ppa_info_t struct has the HP-UX 11.00 +# dl_module_id_1 member. +# +# NOTE: any failure means we conclude that it doesn't have that member, +# so if we don't have DLPI, don't have a <sys/dlpi_ext.h> header, or +# have one that doesn't declare a dl_hp_ppa_info_t type, we conclude +# it doesn't have that member (which is OK, as either we won't be +# using code that would use that member, or we wouldn't compile in +# any case). +# +AC_CHECK_MEMBERS([dl_hp_ppa_info_t.dl_module_id_1],,, + [ + #include <sys/types.h> + #include <sys/dlpi.h> + #include <sys/dlpi_ext.h> + ]) + +AC_LBL_UNALIGNED_ACCESS + +AC_SUBST(V_CCOPT) +AC_SUBST(V_LIB_CCOPT_FAT) +AC_SUBST(V_LIB_LDFLAGS_FAT) +AC_SUBST(V_PROG_CCOPT_FAT) +AC_SUBST(V_PROG_LDFLAGS_FAT) +AC_SUBST(V_DEFS) +AC_SUBST(V_FINDALLDEVS) +AC_SUBST(V_INCLS) +AC_SUBST(V_LEX) +AC_SUBST(V_PCAP) +AC_SUBST(V_SHLIB_CCOPT) +AC_SUBST(V_SHLIB_CMD) +AC_SUBST(V_SHLIB_OPT) +AC_SUBST(V_SONAME_OPT) +AC_SUBST(V_RPATH_OPT) +AC_SUBST(V_YACC) +AC_SUBST(ADDLOBJS) +AC_SUBST(ADDLARCHIVEOBJS) +AC_SUBST(SSRC) +AC_SUBST(DYEXT) +AC_SUBST(MAN_DEVICES) +AC_SUBST(MAN_FILE_FORMATS) +AC_SUBST(MAN_MISC_INFO) +AC_SUBST(MAN_ADMIN_COMMANDS) +AC_SUBST(PTHREAD_LIBS) +AC_SUBST(BUILD_RPCAPD) +AC_SUBST(INSTALL_RPCAPD) +AC_SUBST(RPCAPD_LIBS) +AC_SUBST(EXTRA_NETWORK_LIBS) + +AC_ARG_ENABLE([usb], +[AC_HELP_STRING([--enable-usb],[enable USB capture support @<:@default=yes, if support available@:>@])], + [], + [enable_usb=yes]) + +if test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want USB support. + enable_usb=no +fi + +if test "x$enable_usb" != "xno" ; then + dnl check for USB sniffing support + AC_MSG_CHECKING(for USB sniffing support) + case "$host_os" in + linux*) + AC_DEFINE(PCAP_SUPPORT_USB, 1, [target host supports USB sniffing]) + USB_SRC=pcap-usb-linux.c + AC_MSG_RESULT(yes) + ac_usb_dev_name=`udevinfo -q name -p /sys/class/usb_device/usbmon 2>/dev/null` + if test $? -ne 0 ; then + ac_usb_dev_name="usbmon" + fi + AC_DEFINE_UNQUOTED(LINUX_USB_MON_DEV, "/dev/$ac_usb_dev_name", [path for device for USB sniffing]) + AC_MSG_NOTICE(Device for USB sniffing is /dev/$ac_usb_dev_name) + # + # Do we have a version of <linux/compiler.h> available? + # If so, we might need it for <linux/usbdevice_fs.h>. + # + AC_CHECK_HEADERS(linux/compiler.h) + if test "$ac_cv_header_linux_compiler_h" = yes; then + # + # Yes - include it when testing for <linux/usbdevice_fs.h>. + # + AC_CHECK_HEADERS(linux/usbdevice_fs.h,,,[#include <linux/compiler.h>]) + else + AC_CHECK_HEADERS(linux/usbdevice_fs.h) + fi + if test "$ac_cv_header_linux_usbdevice_fs_h" = yes; then + # + # OK, does it define bRequestType? Older versions of the kernel + # define fields with names like "requesttype, "request", and + # "value", rather than "bRequestType", "bRequest", and + # "wValue". + # + AC_CHECK_MEMBERS([struct usbdevfs_ctrltransfer.bRequestType],,, + [ + AC_INCLUDES_DEFAULT + #ifdef HAVE_LINUX_COMPILER_H + #include <linux/compiler.h> + #endif + #include <linux/usbdevice_fs.h> + ]) + fi + ;; + freebsd*) + # + # This just uses BPF in FreeBSD 8.4 and later; we don't need + # to check for anything special for capturing. + # + AC_MSG_RESULT([yes, in FreeBSD 8.4 and later]) + ;; + + *) + AC_MSG_RESULT(no) + ;; +esac +fi +AC_SUBST(PCAP_SUPPORT_USB) +AC_SUBST(USB_SRC) + +dnl check for netfilter sniffing support +if test "xxx_only" != yes; then + AC_MSG_CHECKING(whether the platform could support netfilter sniffing) + case "$host_os" in + linux*) + AC_MSG_RESULT(yes) + # + # Life's too short to deal with trying to get this to compile + # if you don't get the right types defined with + # __KERNEL_STRICT_NAMES getting defined by some other include. + # + # Check whether the includes Just Work. If not, don't turn on + # netfilter support. + # + AC_MSG_CHECKING(whether we can compile the netfilter support) + AC_CACHE_VAL(ac_cv_netfilter_can_compile, + AC_TRY_COMPILE([ +AC_INCLUDES_DEFAULT +#include <sys/socket.h> +#include <netinet/in.h> +#include <linux/types.h> + +#include <linux/netlink.h> +#include <linux/netfilter.h> +#include <linux/netfilter/nfnetlink.h> +#include <linux/netfilter/nfnetlink_log.h> +#include <linux/netfilter/nfnetlink_queue.h>], + [], + ac_cv_netfilter_can_compile=yes, + ac_cv_netfilter_can_compile=no)) + AC_MSG_RESULT($ac_cv_netfilter_can_compile) + if test $ac_cv_netfilter_can_compile = yes ; then + AC_DEFINE(PCAP_SUPPORT_NETFILTER, 1, + [target host supports netfilter sniffing]) + NETFILTER_SRC=pcap-netfilter-linux.c + fi + ;; + *) + AC_MSG_RESULT(no) + ;; + esac +fi +AC_SUBST(PCAP_SUPPORT_NETFILTER) +AC_SUBST(NETFILTER_SRC) + +AC_ARG_ENABLE([netmap], +[AC_HELP_STRING([--enable-netmap],[enable netmap support @<:@default=yes, if support available@:>@])], + [], + [enable_netmap=yes]) + +if test "x$enable_netmap" != "xno" ; then + # + # Check whether net/netmap_user.h is usable if NETMAP_WITH_LIBS is + # defined; it's not usable on DragonFly BSD 4.6 if NETMAP_WITH_LIBS + # is defined, for example, as it includes a non-existent malloc.h + # header. + # + AC_MSG_CHECKING(whether we can compile the netmap support) + AC_CACHE_VAL(ac_cv_net_netmap_user_can_compile, + AC_TRY_COMPILE([ +AC_INCLUDES_DEFAULT +#define NETMAP_WITH_LIBS +#include <net/netmap_user.h>], + [], + ac_cv_net_netmap_user_can_compile=yes, + ac_cv_net_netmap_user_can_compile=no)) + AC_MSG_RESULT($ac_cv_net_netmap_user_can_compile) + if test $ac_cv_net_netmap_user_can_compile = yes ; then + AC_DEFINE(PCAP_SUPPORT_NETMAP, 1, + [target host supports netmap]) + NETMAP_SRC=pcap-netmap.c + fi + AC_SUBST(PCAP_SUPPORT_NETMAP) + AC_SUBST(NETMAP_SRC) +fi + + +AC_ARG_ENABLE([bluetooth], +[AC_HELP_STRING([--enable-bluetooth],[enable Bluetooth support @<:@default=yes, if support available@:>@])], + [], + [enable_bluetooth=ifsupportavailable]) + +if test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want Bluetooth support. + enable_bluetooth=no +fi + +if test "x$enable_bluetooth" != "xno" ; then + dnl check for Bluetooth sniffing support + case "$host_os" in + linux*) + AC_CHECK_HEADER(bluetooth/bluetooth.h, + [ + # + # We have bluetooth.h, so we support Bluetooth + # sniffing. + # + AC_DEFINE(PCAP_SUPPORT_BT, 1, [target host supports Bluetooth sniffing]) + BT_SRC=pcap-bt-linux.c + AC_MSG_NOTICE(Bluetooth sniffing is supported) + ac_lbl_bluetooth_available=yes + + # + # OK, does struct sockaddr_hci have an hci_channel + # member? + # + AC_CHECK_MEMBERS([struct sockaddr_hci.hci_channel], + [ + # + # Yes; is HCI_CHANNEL_MONITOR defined? + # + AC_MSG_CHECKING(if HCI_CHANNEL_MONITOR is defined) + AC_CACHE_VAL(ac_cv_lbl_hci_channel_monitor_is_defined, + AC_TRY_COMPILE( + [ + #include <bluetooth/bluetooth.h> + #include <bluetooth/hci.h> + ], + [ + u_int i = HCI_CHANNEL_MONITOR; + ], + [ + AC_MSG_RESULT(yes) + AC_DEFINE(PCAP_SUPPORT_BT_MONITOR,, + [target host supports Bluetooth Monitor]) + BT_MONITOR_SRC=pcap-bt-monitor-linux.c + ], + [ + AC_MSG_RESULT(no) + ])) + ],, + [ + #include <bluetooth/bluetooth.h> + #include <bluetooth/hci.h> + ]) + ], + [ + # + # We don't have bluetooth.h, so we don't support + # Bluetooth sniffing. + # + if test "x$enable_bluetooth" = "xyes" ; then + AC_MSG_ERROR(Bluetooth sniffing is not supported; install bluez-lib devel to enable it) + else + AC_MSG_NOTICE(Bluetooth sniffing is not supported; install bluez-lib devel to enable it) + fi + ]) + ;; + *) + if test "x$enable_bluetooth" = "xyes" ; then + AC_MSG_ERROR(no Bluetooth sniffing support implemented for $host_os) + else + AC_MSG_NOTICE(no Bluetooth sniffing support implemented for $host_os) + fi + ;; + esac + AC_SUBST(PCAP_SUPPORT_BT) + AC_SUBST(BT_SRC) + AC_SUBST(BT_MONITOR_SRC) +fi + +AC_ARG_ENABLE([dbus], +[AC_HELP_STRING([--enable-dbus],[enable D-Bus capture support @<:@default=yes, if support available@:>@])], + [], + [enable_dbus=ifavailable]) + +if test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want D-Bus support. + enable_dbus=no +fi + +if test "x$enable_dbus" != "xno"; then + if test "x$enable_dbus" = "xyes"; then + case "$host_os" in + + darwin*) + # + # We don't support D-Bus sniffing on macOS; see + # + # https://bugs.freedesktop.org/show_bug.cgi?id=74029 + # + # The user requested it, so fail. + # + AC_MSG_ERROR([Due to freedesktop.org bug 74029, D-Bus capture support is not available on macOS]) + esac + else + case "$host_os" in + + darwin*) + # + # We don't support D-Bus sniffing on macOS; see + # + # https://bugs.freedesktop.org/show_bug.cgi?id=74029 + # + # The user dind't explicitly request it, so just + # silently refuse to enable it. + # + enable_dbus="no" + ;; + esac + fi +fi + +if test "x$enable_dbus" != "xno"; then + AC_CHECK_PROG([PKGCONFIG], [pkg-config], [pkg-config], [no]) + if test "x$PKGCONFIG" != "xno"; then + AC_MSG_CHECKING([for D-Bus]) + if "$PKGCONFIG" dbus-1; then + AC_MSG_RESULT([yes]) + DBUS_CFLAGS=`"$PKGCONFIG" --cflags dbus-1` + DBUS_LIBS=`"$PKGCONFIG" --libs dbus-1` + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + CFLAGS="$CFLAGS $DBUS_CFLAGS" + LIBS="$LIBS $DBUS_LIBS" + AC_MSG_CHECKING(whether the D-Bus library defines dbus_connection_read_write) + AC_TRY_LINK( + [#include <string.h> + + #include <time.h> + #include <sys/time.h> + + #include <dbus/dbus.h>], + [return dbus_connection_read_write(NULL, 0);], + [ + AC_MSG_RESULT([yes]) + AC_DEFINE(PCAP_SUPPORT_DBUS, 1, [support D-Bus sniffing]) + DBUS_SRC=pcap-dbus.c + V_INCLS="$V_INCLS $DBUS_CFLAGS" + ], + [ + AC_MSG_RESULT([no]) + if test "x$enable_dbus" = "xyes"; then + AC_MSG_ERROR([--enable-dbus was given, but the D-Bus library doesn't define dbus_connection_read_write()]) + fi + LIBS="$save_LIBS" + ]) + CFLAGS="$save_CFLAGS" + else + AC_MSG_RESULT([no]) + if test "x$enable_dbus" = "xyes"; then + AC_MSG_ERROR([--enable-dbus was given, but the dbus-1 package is not installed]) + fi + fi + fi + AC_SUBST(PCAP_SUPPORT_DBUS) + AC_SUBST(DBUS_SRC) +fi + +AC_ARG_ENABLE([rdma], +[AC_HELP_STRING([--enable-rdma],[enable RDMA capture support @<:@default=yes, if support available@:>@])], + [], + [enable_rdma=ifavailable]) + +if test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want RDMA support. + enable_rdma=no +fi + +if test "x$enable_rdma" != "xno"; then + AC_CHECK_LIB(ibverbs, ibv_get_device_list, [ + AC_CHECK_HEADER(infiniband/verbs.h, [ + # + # ibv_create_flow may be defined as a static inline + # function in infiniband/verbs.h, so we can't + # use AC_CHECK_LIB. + # + # Too bad autoconf has no AC_SYMBOL_EXISTS() + # macro that works like CMake's check_symbol_exists() + # function, to check do a compile check like + # this (they do a clever trick to avoid having + # to know the function's signature). + # + AC_MSG_CHECKING(whether libibverbs defines ibv_create_flow) + AC_TRY_LINK( + [ + #include <infiniband/verbs.h> + ], + [ + (void) ibv_create_flow((struct ibv_qp *) NULL, + (struct ibv_flow_attr *) NULL); + ], + [ + AC_MSG_RESULT([yes]) + AC_DEFINE(PCAP_SUPPORT_RDMASNIFF, , [target host supports RDMA sniffing]) + RDMA_SRC=pcap-rdmasniff.c + LIBS="-libverbs $LIBS" + ], + [ + AC_MSG_RESULT([no]) + ] + ) + ]) + ]) + AC_SUBST(PCAP_SUPPORT_RDMASNIFF) + AC_SUBST(RDMA_SRC) +fi + +AC_PROG_INSTALL + +AC_CONFIG_HEADER(config.h) + +AC_OUTPUT_COMMANDS([if test -f .devel; then + echo timestamp > stamp-h + cat $srcdir/Makefile-devel-adds >> Makefile + make depend +fi]) +AC_OUTPUT(Makefile pcap-filter.manmisc pcap-linktype.manmisc + pcap-tstamp.manmisc pcap-savefile.manfile pcap.3pcap + pcap_compile.3pcap pcap_datalink.3pcap pcap_dump_open.3pcap + pcap_get_tstamp_precision.3pcap pcap_list_datalinks.3pcap + pcap_list_tstamp_types.3pcap pcap_open_dead.3pcap + pcap_open_offline.3pcap pcap_set_immediate_mode.3pcap + pcap_set_tstamp_precision.3pcap pcap_set_tstamp_type.3pcap + rpcapd/Makefile rpcapd/rpcapd.manadmin rpcapd/rpcapd-config.manfile + testprogs/Makefile) +exit 0 |