dnl OpenVPN -- An application to securely tunnel IP networks dnl over a single UDP port, with support for SSL/TLS-based dnl session authentication and key exchange, dnl packet encryption, packet authentication, and dnl packet compression. dnl dnl Copyright (C) 2002-2010 OpenVPN Technologies, Inc. dnl Copyright (C) 2006-2012 Alon Bar-Lev dnl dnl This program is free software; you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by dnl the Free Software Foundation; either version 2 of the License, or dnl (at your option) any later version. dnl dnl This program is distributed in the hope that it will be useful, dnl but WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the dnl GNU General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this program (see the file COPYING included with this dnl distribution); if not, write to the Free Software Foundation, Inc., dnl 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA dnl Process this file with autoconf to produce a configure script. AC_PREREQ(2.59) m4_include(version.m4) AC_INIT([PRODUCT_NAME], [PRODUCT_VERSION], [PRODUCT_BUGREPORT], [PRODUCT_TARNAME]) m4_include(compat.m4) AC_DEFINE([OPENVPN_VERSION_RESOURCE], [PRODUCT_VERSION_RESOURCE], [Version in windows resource format]) AC_SUBST([OPENVPN_VERSION_MAJOR], [PRODUCT_VERSION_MAJOR], [OpenVPN major version]) AC_SUBST([OPENVPN_VERSION_MINOR], [PRODUCT_VERSION_MINOR], [OpenVPN minor version]) AC_SUBST([OPENVPN_VERSION_PATCH], [PRODUCT_VERSION_PATCH], [OpenVPN patch level - may be a string or integer]) AC_DEFINE([OPENVPN_VERSION_MAJOR], [PRODUCT_VERSION_MAJOR], [OpenVPN major version - integer]) AC_DEFINE([OPENVPN_VERSION_MINOR], [PRODUCT_VERSION_MINOR], [OpenVPN minor version - integer]) AC_DEFINE([OPENVPN_VERSION_PATCH], ["PRODUCT_VERSION_PATCH"], [OpenVPN patch level - may be a string or integer]) AC_CONFIG_AUX_DIR([.]) AC_CONFIG_HEADERS([config.h include/openvpn-plugin.h]) AC_CONFIG_SRCDIR([src/openvpn/syshead.h]) AC_CONFIG_MACRO_DIR([m4]) dnl Initialize automake. automake < 1.12 didn't have serial-tests and dnl gives an error if it sees this, but for automake >= 1.13 dnl serial-tests is required so we have to include it. Solution is to dnl test for the version of automake (by running an external command) dnl and provide it if necessary. Note we have to do this entirely using dnl m4 macros since automake queries this macro by running dnl 'autoconf --trace ...'. m4_define([serial_tests], [ m4_esyscmd([automake --version | head -1 | awk '{split ($NF,a,"."); if (a[1] == 1 && a[2] >= 12) { print "serial-tests" }}' ]) ]) AM_INIT_AUTOMAKE(foreign serial_tests) dnl NB: Do not [quote] this parameter. AC_CANONICAL_HOST AC_USE_SYSTEM_EXTENSIONS AC_ARG_ENABLE( [lzo], [AS_HELP_STRING([--disable-lzo], [disable LZO compression support @<:@default=yes@:>@])], , [enable_lzo="yes"] ) AC_ARG_ENABLE(lz4, [ --disable-lz4 Disable LZ4 compression support], [enable_lz4="$enableval"], [enable_lz4="yes"] ) AC_ARG_ENABLE(comp-stub, [ --enable-comp-stub Don't compile compression support but still allow limited interoperability with compression-enabled peers], [enable_comp_stub="$enableval"], [enable_comp_stub="no"] ) AC_ARG_ENABLE( [crypto], [AS_HELP_STRING([--disable-crypto], [disable crypto support @<:@default=yes@:>@])], , [enable_crypto="yes"] ) AC_ARG_ENABLE( [ofb-cfb], [AS_HELP_STRING([--disable-ofb-cfb], [disable support for OFB and CFB cipher modes @<:@default=yes@:>@])], , [enable_crypto_ofb_cfb="yes"] ) AC_ARG_ENABLE( [x509-alt-username], [AS_HELP_STRING([--enable-x509-alt-username], [enable the --x509-username-field feature @<:@default=no@:>@])], , [enable_x509_alt_username="no"] ) AC_ARG_ENABLE( [multi], [AS_HELP_STRING([--disable-multi], [disable client/server support (--mode server + client mode) @<:@default=yes@:>@])], , [enable_multi="yes"] ) AC_ARG_ENABLE( [server], [AS_HELP_STRING([--disable-server], [disable server support only (but retain client support) @<:@default=yes@:>@])], , [enable_server="yes"] ) AC_ARG_ENABLE( [plugins], [AS_HELP_STRING([--disable-plugins], [disable plug-in support @<:@default=yes@:>@])], , [enable_plugins="yes"] ) AC_ARG_ENABLE( [management], [AS_HELP_STRING([--disable-management], [disable management server support @<:@default=yes@:>@])], , [enable_management="yes"] ) AC_ARG_ENABLE( [pkcs11], [AS_HELP_STRING([--enable-pkcs11], [enable pkcs11 support @<:@default=no@:>@])], , [enable_pkcs11="no"] ) AC_ARG_ENABLE( [fragment], [AS_HELP_STRING([--disable-fragment], [disable internal fragmentation support (--fragment) @<:@default=yes@:>@])], , [enable_fragment="yes"] ) AC_ARG_ENABLE( [multihome], [AS_HELP_STRING([--disable-multihome], [disable multi-homed UDP server support (--multihome) @<:@default=yes@:>@])], , [enable_multihome="yes"] ) AC_ARG_ENABLE( [port-share], [AS_HELP_STRING([--disable-port-share], [disable TCP server port-share support (--port-share) @<:@default=yes@:>@])], , [enable_port_share="yes"] ) AC_ARG_ENABLE( [debug], [AS_HELP_STRING([--disable-debug], [disable debugging support (disable gremlin and verb 7+ messages) @<:@default=yes@:>@])], , [enable_debug="yes"] ) AC_ARG_ENABLE( [small], [AS_HELP_STRING([--enable-small], [enable smaller executable size (disable OCC, usage message, and verb 4 parm list) @<:@default=no@:>@])], , [enable_small="no"] ) AC_ARG_ENABLE( [iproute2], [AS_HELP_STRING([--enable-iproute2], [enable support for iproute2 @<:@default=no@:>@])], , [enable_iproute2="no"] ) AC_ARG_ENABLE( [def-auth], [AS_HELP_STRING([--disable-def-auth], [disable deferred authentication @<:@default=yes@:>@])], , [enable_def_auth="yes"] ) AC_ARG_ENABLE( [pf], [AS_HELP_STRING([--disable-pf], [disable internal packet filter @<:@default=yes@:>@])], , [enable_pf="yes"] ) AC_ARG_ENABLE( [plugin-auth-pam], [AS_HELP_STRING([--disable-plugin-auth-pam], [disable auth-pam plugin @<:@default=platform specific@:>@])], , [ case "$host" in *-*-openbsd*) enable_plugin_auth_pam="no";; *-mingw*) enable_plugin_auth_pam="no";; *) enable_plugin_auth_pam="yes";; esac ] ) AC_ARG_ENABLE( [plugin-down-root], [AS_HELP_STRING([--disable-plugin-down-root], [disable down-root plugin @<:@default=platform specific@:>@])], , [ case "$host" in *-mingw*) enable_plugin_down_root="no";; *) enable_plugin_down_root="yes";; esac ] ) AC_ARG_ENABLE( [pam-dlopen], [AS_HELP_STRING([--enable-pam-dlopen], [dlopen libpam @<:@default=no@:>@])], , [enable_pam_dlopen="no"] ) AC_ARG_ENABLE( [strict], [AS_HELP_STRING([--enable-strict], [enable strict compiler warnings (debugging option) @<:@default=no@:>@])], , [enable_strict="no"] ) AC_ARG_ENABLE( [pedantic], [AS_HELP_STRING([--enable-pedantic], [enable pedantic compiler warnings, will not generate a working executable (debugging option) @<:@default=no@:>@])], , [enable_pedantic="no"] ) AC_ARG_ENABLE( [werror], [AS_HELP_STRING([--enable-werror], [promote compiler warnings to errors, will cause builds to fail is the compiler issues warnings (debugging option) @<:@default=no@:>@])], , [enable_werror="no"] ) AC_ARG_ENABLE( [strict-options], [AS_HELP_STRING([--enable-strict-options], [enable strict options check between peers (debugging option) @<:@default=no@:>@])], , [enable_strict_options="no"] ) AC_ARG_ENABLE( [selinux], [AS_HELP_STRING([--enable-selinux], [enable SELinux support @<:@default=no@:>@])], , [enable_selinux="no"] ) AC_ARG_ENABLE( [systemd], [AS_HELP_STRING([--enable-systemd], [enable systemd suppport @<:@default=no@:>@])], , [enable_systemd="no"] ) AC_ARG_ENABLE( [async-push], [AS_HELP_STRING([--enable-async-push], [enable async-push support @<:@default=no@:>@])], [enable_async_push="yes"], [enable_async_push="no"] ) AC_ARG_WITH( [special-build], [AS_HELP_STRING([--with-special-build=STRING], [specify special build string])], [test -n "${withval}" && AC_DEFINE_UNQUOTED([CONFIGURE_SPECIAL_BUILD], ["${withval}"], [special build string])] ) AC_ARG_WITH( [mem-check], [AS_HELP_STRING([--with-mem-check=TYPE], [build with debug memory checking, TYPE=no|dmalloc|valgrind|ssl @<:@default=no@:>@])], [ case "${withval}" in dmalloc|valgrind|ssl|no) ;; *) AC_MSG_ERROR([bad value ${withval} for --mem-check]) ;; esac ], [with_mem_check="no"] ) AC_ARG_WITH( [crypto-library], [AS_HELP_STRING([--with-crypto-library=library], [build with the given crypto library, TYPE=openssl|mbedtls @<:@default=openssl@:>@])], [ case "${withval}" in openssl|mbedtls) ;; *) AC_MSG_ERROR([bad value ${withval} for --with-crypto-library]) ;; esac ], [with_crypto_library="openssl"] ) AC_ARG_WITH( [plugindir], [AS_HELP_STRING([--with-plugindir], [plugin directory @<:@default=LIBDIR/openvpn@:>@])], , [with_plugindir="\$(libdir)/openvpn/plugins"] ) AC_DEFINE_UNQUOTED([TARGET_ALIAS], ["${host}"], [A string representing our host]) case "$host" in *-*-linux*) AC_DEFINE([TARGET_LINUX], [1], [Are we running on Linux?]) AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["L"], [Target prefix]) ;; *-*-solaris*) AC_DEFINE([TARGET_SOLARIS], [1], [Are we running on Solaris?]) AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["S"], [Target prefix]) ;; *-*-openbsd*) AC_DEFINE([TARGET_OPENBSD], [1], [Are we running on OpenBSD?]) AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["O"], [Target prefix]) ;; *-*-freebsd*) AC_DEFINE([TARGET_FREEBSD], [1], [Are we running on FreeBSD?]) AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["F"], [Target prefix]) ;; *-*-netbsd*) AC_DEFINE([TARGET_NETBSD], [1], [Are we running NetBSD?]) AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["N"], [Target prefix]) ;; *-*-darwin*) AC_DEFINE([TARGET_DARWIN], [1], [Are we running on Mac OS X?]) AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["M"], [Target prefix]) have_tap_header="yes" dnl some Mac OS X tendering (we use vararg macros...) CPPFLAGS="$CPPFLAGS -no-cpp-precomp" ;; *-mingw*) AC_DEFINE([TARGET_WIN32], [1], [Are we running WIN32?]) AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["W"], [Target prefix]) CPPFLAGS="${CPPFLAGS} -DWIN32_LEAN_AND_MEAN" CPPFLAGS="${CPPFLAGS} -DNTDDI_VERSION=NTDDI_VISTA -D_WIN32_WINNT=_WIN32_WINNT_VISTA" WIN32=yes ;; *-*-dragonfly*) AC_DEFINE([TARGET_DRAGONFLY], [1], [Are we running on DragonFlyBSD?]) AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["D"], [Target prefix]) ;; *-aix*) AC_DEFINE([TARGET_AIX], [1], [Are we running AIX?]) AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["A"], [Target prefix]) ROUTE="/usr/sbin/route" have_tap_header="yes" ac_cv_header_net_if_h="no" # exists, but breaks things ;; *) AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["X"], [Target prefix]) have_tap_header="yes" ;; esac PKG_PROG_PKG_CONFIG AC_PROG_CPP AC_PROG_INSTALL AC_PROG_LN_S AC_PROG_SED AC_PROG_MAKE_SET AC_ARG_VAR([IFCONFIG], [full path to ipconfig utility]) AC_ARG_VAR([ROUTE], [full path to route utility]) AC_ARG_VAR([IPROUTE], [full path to ip utility]) AC_ARG_VAR([NETSTAT], [path to netstat utility]) # tests AC_ARG_VAR([MAN2HTML], [path to man2html utility]) AC_ARG_VAR([GIT], [path to git utility]) AC_ARG_VAR([SYSTEMD_ASK_PASSWORD], [path to systemd-ask-password utility]) AC_PATH_PROGS([IFCONFIG], [ifconfig],, [$PATH:/usr/local/sbin:/usr/sbin:/sbin]) AC_PATH_PROGS([ROUTE], [route],, [$PATH:/usr/local/sbin:/usr/sbin:/sbin]) AC_PATH_PROGS([IPROUTE], [ip],, [$PATH:/usr/local/sbin:/usr/sbin:/sbin]) AC_PATH_PROGS([SYSTEMD_ASK_PASSWORD], [systemd-ask-password],, [$PATH:/usr/local/bin:/usr/bin:/bin]) AC_CHECK_PROGS([NETSTAT], [netstat], [netstat], [$PATH:/usr/local/sbin:/usr/sbin:/sbin:/etc]) # tests AC_CHECK_PROGS([MAN2HTML], [man2html]) AC_CHECK_PROGS([GIT], [git]) # optional AC_DEFINE_UNQUOTED([IFCONFIG_PATH], ["$IFCONFIG"], [Path to ifconfig tool]) AC_DEFINE_UNQUOTED([IPROUTE_PATH], ["$IPROUTE"], [Path to iproute tool]) AC_DEFINE_UNQUOTED([ROUTE_PATH], ["$ROUTE"], [Path to route tool]) AC_DEFINE_UNQUOTED([SYSTEMD_ASK_PASSWORD_PATH], ["$SYSTEMD_ASK_PASSWORD"], [Path to systemd-ask-password tool]) # # Libtool # ifdef( [LT_INIT], [ LT_INIT([win32-dll]) LT_LANG([Windows Resource]) ], [ AC_LIBTOOL_WIN32_DLL AC_LIBTOOL_RC AC_PROG_LIBTOOL ] ) AC_C_CONST AC_C_INLINE AC_C_VOLATILE AC_TYPE_OFF_T AC_TYPE_PID_T AC_TYPE_SIZE_T AC_TYPE_UID_T AC_TYPE_INT8_T AC_TYPE_INT16_T AC_TYPE_INT32_T AC_TYPE_INT64_T AC_TYPE_UINT8_T AC_TYPE_UINT16_T AC_TYPE_UINT32_T AC_TYPE_UINT64_T AC_TYPE_SIGNAL AX_CPP_VARARG_MACRO_ISO AX_CPP_VARARG_MACRO_GCC AX_TYPE_SOCKLEN_T AX_EMPTY_ARRAY AC_CHECK_SIZEOF([unsigned int]) AC_CHECK_SIZEOF([unsigned long]) AC_CHECK_HEADERS([ \ stdio.h stdarg.h stdbool.h limits.h \ time.h errno.h fcntl.h io.h direct.h \ ctype.h sys/types.h sys/socket.h \ signal.h unistd.h dlfcn.h \ netinet/in.h netinet/in_systm.h \ netinet/tcp.h arpa/inet.h netdb.h \ windows.h winsock2.h ws2tcpip.h \ versionhelpers.h \ ]) AC_CHECK_HEADERS([ \ sys/time.h sys/ioctl.h sys/stat.h \ sys/mman.h sys/file.h sys/wait.h \ unistd.h signal.h libgen.h stropts.h \ syslog.h pwd.h grp.h \ sys/sockio.h sys/uio.h linux/sockios.h \ linux/types.h sys/poll.h sys/epoll.h err.h \ ]) SOCKET_INCLUDES=" #ifdef HAVE_STDLIB_H #include #endif #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_WINDOWS_H #include #endif #ifdef HAVE_WINSOCK2_H #include #endif #ifdef HAVE_WS2TCPIP_H #include #endif #ifdef HAVE_NETINET_IN_SYSTM_H #include #endif #ifdef HAVE_NETINET_IP_H #include #endif " AC_CHECK_HEADERS( [net/if.h netinet/ip.h resolv.h sys/un.h net/if_utun.h sys/kern_control.h], , , [[${SOCKET_INCLUDES}]] ) AC_CHECK_TYPES( [in_addr_t], , [AC_DEFINE([in_addr_t], [uint32_t], [Workaround missing in_addr_t])], [[${SOCKET_INCLUDES}]] ) AC_CHECK_TYPE( [struct iphdr], [AC_DEFINE([HAVE_IPHDR], [1], [struct iphdr needed for IPv6 support])], , [[${SOCKET_INCLUDES}]] ) AC_CHECK_TYPE( [struct sock_extended_err], [AC_DEFINE([HAVE_SOCK_EXTENDED_ERR], [1], [struct sock_extended_err needed for extended socket error support])], , [[${SOCKET_INCLUDES}]] ) AC_CHECK_TYPE( [struct msghdr], [AC_DEFINE([HAVE_MSGHDR], [1], [struct msghdr needed for extended socket error support])], , [[${SOCKET_INCLUDES}]] ) AC_CHECK_TYPE( [struct cmsghdr], [AC_DEFINE([HAVE_CMSGHDR], [1], [struct cmsghdr needed for extended socket error support])], , [[${SOCKET_INCLUDES}]] ) AC_CHECK_TYPE( [struct in_pktinfo], [AC_DEFINE([HAVE_IN_PKTINFO], [1], [struct in_pktinfo needed for IP_PKTINFO support])], , [[${SOCKET_INCLUDES}]] ) AC_CHECK_TYPE( [sa_family_t], [AC_DEFINE([HAVE_SA_FAMILY_T], [1], [sa_family_t, needed to hold AF_* info])], , [[${SOCKET_INCLUDES}]] ) AC_CHECK_TYPE( [struct sockaddr_in6], , [AC_MSG_ERROR([struct sockaddr_in6 not found, needed for ipv6 transport support.])], [[${SOCKET_INCLUDES}]] ) AC_CHECK_DECLS( [SO_MARK], , , [[${SOCKET_INCLUDES}]] ) dnl We emulate signals in Windows AC_CHECK_DECLS( [SIGHUP], , [AC_DEFINE([SIGHUP], [1], [SIGHUP replacement])], [[ #ifdef HAVE_SIGNAL_H #include #endif ]] ) AC_CHECK_DECLS( [SIGINT], , [AC_DEFINE([SIGINT], [2], [SIGINT replacement])], [[ #ifdef HAVE_SIGNAL_H #include #endif ]] ) AC_CHECK_DECLS( [SIGUSR1], , [AC_DEFINE([SIGUSR1], [10], [SIGUSR1 replacement])], [[ #ifdef HAVE_SIGNAL_H #include #endif ]] ) AC_CHECK_DECLS( [SIGUSR2], , [AC_DEFINE([SIGUSR2], [12], [SIGUSR2 replacement])], [[ #ifdef HAVE_SIGNAL_H #include #endif ]] ) AC_CHECK_DECLS( [SIGTERM], , [AC_DEFINE([SIGTERM], [15], [SIGTERM replacement])], [[ #ifdef HAVE_SIGNAL_H #include #endif ]] ) AC_FUNC_FORK AC_CHECK_FUNCS([ \ daemon chroot getpwnam setuid nice system getpid dup dup2 \ getpass strerror syslog openlog mlockall getgrnam setgid \ setgroups stat flock readv writev time gettimeofday \ ctime memset vsnprintf strdup \ setsid chdir putenv getpeername unlink \ chsize ftruncate execve getpeereid umask basename dirname access \ epoll_create \ ]) AC_CHECK_LIB( [dl], [dlopen], [DL_LIBS="-ldl"] ) AC_SUBST([DL_LIBS]) AC_CHECK_LIB( [nsl], [inet_ntoa], [SOCKETS_LIBS="${SOCKETS_LIBS} -lnsl"] ) AC_CHECK_LIB( [socket], [socket], [SOCKETS_LIBS="${SOCKETS_LIBS} -lsocket"] ) AC_CHECK_LIB( [resolv], [gethostbyname], [SOCKETS_LIBS="${SOCKETS_LIBS} -lresolv"] ) AC_SUBST([SOCKETS_LIBS]) old_LIBS="${LIBS}" LIBS="${LIBS} ${SOCKETS_LIBS}" AC_CHECK_FUNCS([sendmsg recvmsg]) # Windows use stdcall for winsock so we cannot auto detect these m4_define( [SOCKET_FUNCS], [socket recv recvfrom send sendto listen dnl accept connect bind select gethostbyname inet_ntoa]dnl ) m4_define( [SOCKET_OPT_FUNCS], [setsockopt getsockopt getsockname poll]dnl ) if test "${WIN32}" = "yes"; then # normal autoconf function checking does not find inet_ntop/inet_pton # because they need to include the actual header file and link ws2_32.dll LIBS="${LIBS} -lws2_32" AC_MSG_CHECKING([for MinGW inet_ntop()/inet_pton()]) AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[ #include ]], [[ int r = (int) inet_ntop (0, NULL, NULL, 0); r += inet_pton(AF_INET, NULL, NULL); return r; ]] )], [AC_MSG_RESULT([OK]) AC_DEFINE([HAVE_INET_NTOP],[1],[MinGW inet_ntop]) AC_DEFINE([HAVE_INET_PTON],[1],[MinGW inet_pton]) ], [AC_MSG_RESULT([not found])] ) m4_foreach( [F], m4_split(SOCKET_FUNCS SOCKET_OPT_FUNCS), m4_define([UF], [[m4_join([_], [HAVE], m4_toupper(F))]]) AC_DEFINE([UF], [1], [Win32 builtin]) ) else AC_CHECK_FUNCS([inet_ntop inet_pton]) AC_CHECK_FUNCS( SOCKET_FUNCS, , [AC_MSG_ERROR([Required library function not found])] ) AC_CHECK_FUNCS(SOCKET_OPT_FUNCS) fi LIBS="${old_LIBS}" # we assume res_init() always exist, but need to find out *where*... AC_SEARCH_LIBS(__res_init, resolv bind, , AC_SEARCH_LIBS(res_9_init, resolv bind, , AC_SEARCH_LIBS(res_init, resolv bind, , ))) AC_ARG_VAR([TAP_CFLAGS], [C compiler flags for tap]) old_CFLAGS="${CFLAGS}" CFLAGS="${CFLAGS} ${TAP_CFLAGS}" AC_CHECK_HEADERS( [ \ net/if_tun.h net/tun/if_tun.h \ linux/if_tun.h \ tap-windows.h \ ], [have_tap_header="yes"] ) AC_CHECK_DECLS( [TUNSETPERSIST], [AC_DEFINE([ENABLE_FEATURE_TUN_PERSIST], [1], [We have persist tun capability])], , [[ #ifdef HAVE_LINUX_IF_TUN_H #include #endif ]] ) CFLAGS="${old_CFLAGS}" test "${have_tap_header}" = "yes" || AC_MSG_ERROR([no tap header could be found]) AC_CHECK_LIB( [selinux], [setcon], [SELINUX_LIBS="-lselinux"] ) AC_SUBST([SELINUX_LIBS]) AC_ARG_VAR([LIBPAM_CFLAGS], [C compiler flags for libpam]) AC_ARG_VAR([LIBPAM_LIBS], [linker flags for libpam]) if test -z "${LIBPAM_LIBS}"; then AC_CHECK_LIB( [pam], [pam_start], [LIBPAM_LIBS="-lpam"] ) fi case "${with_mem_check}" in valgrind) AC_CHECK_HEADERS( [valgrind/memcheck.h], [ CFLAGS="${CFLAGS} -g -fno-inline" AC_DEFINE( [USE_VALGRIND], [1], [Use valgrind memory debugging library] ) ], [AC_MSG_ERROR([valgrind headers not found.])] ) ;; dmalloc) AC_CHECK_HEADERS( [dmalloc.h], [AC_CHECK_LIB( [dmalloc], [malloc], [ LIBS="${LIBS} -ldmalloc" AC_DEFINE( [DMALLOC], [1], [Use dmalloc memory debugging library] ) ], [AC_MSG_ERROR([dmalloc library not found.])] )], [AC_MSG_ERROR([dmalloc headers not found.])] ) ;; ssl) AC_CHECK_LIB( [ssl], [CRYPTO_mem_ctrl], [ AC_DEFINE( [CRYPTO_MDEBUG], [1], [Use memory debugging function in OpenSSL] ) AC_MSG_NOTICE([NOTE: OpenSSL library must be compiled with CRYPTO_MDEBUG]) ], [AC_MSG_ERROR([Memory Debugging function in OpenSSL library not found.])] ) ;; esac PKG_CHECK_MODULES( [PKCS11_HELPER], [libpkcs11-helper-1 >= 1.11], [have_pkcs11_helper="yes"], [] ) if test "${with_crypto_library}" = "openssl"; then AC_ARG_VAR([OPENSSL_CFLAGS], [C compiler flags for OpenSSL]) AC_ARG_VAR([OPENSSL_LIBS], [linker flags for OpenSSL]) if test -z "${OPENSSL_CFLAGS}" -a -z "${OPENSSL_LIBS}"; then # if the user did not explicitly specify flags, try to autodetect PKG_CHECK_MODULES( [OPENSSL], [libcrypto >= 0.9.8, libssl >= 0.9.8], [have_openssl="yes"], [have_openssl="no"] # Provide if-not-found to prevent erroring out ) OPENSSL_LIBS=${OPENSSL_LIBS:--lssl -lcrypto} fi saved_CFLAGS="${CFLAGS}" saved_LIBS="${LIBS}" CFLAGS="${CFLAGS} ${OPENSSL_CFLAGS}" LIBS="${LIBS} ${OPENSSL_LIBS}" AC_CHECK_FUNCS([SSL_CTX_new EVP_CIPHER_CTX_set_key_length], , [AC_MSG_ERROR([openssl check failed])] ) have_openssl_engine="yes" AC_CHECK_FUNCS( [ \ ENGINE_load_builtin_engines \ ENGINE_register_all_complete \ ENGINE_cleanup \ ], , [have_openssl_engine="no"; break] ) if test "${have_openssl_engine}" = "yes"; then AC_DEFINE([HAVE_OPENSSL_ENGINE], [1], [OpenSSL engine support available]) fi have_crypto_aead_modes="yes" AC_CHECK_FUNCS( [EVP_aes_256_gcm], , [have_crypto_aead_modes="no"; break] ) CFLAGS="${saved_CFLAGS}" LIBS="${saved_LIBS}" have_crypto="yes" AC_DEFINE([ENABLE_CRYPTO_OPENSSL], [1], [Use OpenSSL library]) CRYPTO_CFLAGS="${OPENSSL_CFLAGS}" CRYPTO_LIBS="${OPENSSL_LIBS}" elif test "${with_crypto_library}" = "mbedtls"; then AC_ARG_VAR([MBEDTLS_CFLAGS], [C compiler flags for mbedtls]) AC_ARG_VAR([MBEDTLS_LIBS], [linker flags for mbedtls]) saved_CFLAGS="${CFLAGS}" saved_LIBS="${LIBS}" if test -z "${MBEDTLS_CFLAGS}" -a -z "${MBEDTLS_LIBS}"; then # if the user did not explicitly specify flags, try to autodetect LIBS="${LIBS} -lmbedtls -lmbedx509 -lmbedcrypto" AC_CHECK_LIB( [mbedtls], [mbedtls_ssl_init], [MBEDTLS_LIBS="-lmbedtls -lmbedx509 -lmbedcrypto"], [AC_MSG_ERROR([Could not find mbed TLS.])], [${PKCS11_HELPER_LIBS}] ) fi CFLAGS="${MBEDTLS_CFLAGS} ${PKCS11_HELPER_CFLAGS} ${CFLAGS}" LIBS="${MBEDTLS_LIBS} ${PKCS11_HELPER_LIBS} ${LIBS}" AC_MSG_CHECKING([mbedtls version]) AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[ #include ]], [[ #if MBEDTLS_VERSION_NUMBER < 0x02000000 || MBEDTLS_VERSION_NUMBER >= 0x03000000 #error invalid version #endif ]] )], [AC_MSG_RESULT([ok])], [AC_MSG_ERROR([mbed TLS 2.y.z required])] ) mbedtls_with_pkcs11="no" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[ #include ]], [[ #ifndef MBEDTLS_PKCS11_C #error pkcs11 wrapper missing #endif ]] )], mbedtls_with_pkcs11="yes") AC_MSG_CHECKING([mbedtls pkcs11 support]) if test "${enable_pkcs11}" = "yes"; then if test "${mbedtls_with_pkcs11}" = "yes"; then AC_MSG_RESULT([ok]) else AC_MSG_ERROR([mbedtls has no pkcs11 wrapper compiled in]) fi else if test "${mbedtls_with_pkcs11}" != "yes"; then AC_MSG_RESULT([ok]) else AC_MSG_ERROR([mbed TLS compiled with PKCS11, while OpenVPN is not]) fi fi have_crypto_aead_modes="yes" AC_CHECK_FUNCS( [ \ mbedtls_cipher_write_tag \ mbedtls_cipher_check_tag \ ], , [have_crypto_aead_modes="no"; break] ) CFLAGS="${saved_CFLAGS}" LIBS="${saved_LIBS}" have_crypto="yes" AC_DEFINE([ENABLE_CRYPTO_MBEDTLS], [1], [Use mbed TLS library]) CRYPTO_CFLAGS="${MBEDTLS_CFLAGS}" CRYPTO_LIBS="${MBEDTLS_LIBS}" else AC_MSG_ERROR([Invalid crypto library: ${with_crypto_library}]) fi AC_ARG_VAR([LZO_CFLAGS], [C compiler flags for lzo]) AC_ARG_VAR([LZO_LIBS], [linker flags for lzo]) have_lzo="yes" if test -z "${LZO_LIBS}"; then AC_CHECK_LIB( [lzo2], [lzo1x_1_15_compress], [LZO_LIBS="-llzo2"], [AC_CHECK_LIB( [lzo], [lzo1x_1_15_compress], [LZO_LIBS="-llzo"], [have_lzo="no"] )] ) fi if test "${have_lzo}" = "yes"; then saved_CFLAGS="${CFLAGS}" CFLAGS="${CFLAGS} ${LZO_CFLAGS}" AC_CHECK_HEADERS( [lzo/lzoutil.h], , [AC_CHECK_HEADERS( [lzoutil.h], , [AC_MSG_ERROR([lzoutil.h is missing])] )] ) AC_CHECK_HEADERS( [lzo/lzo1x.h], , [AC_CHECK_HEADERS( [lzo1x.h], , [AC_MSG_ERROR([lzo1x.h is missing])] )] ) CFLAGS="${saved_CFLAGS}" fi dnl dnl check for LZ4 library dnl AC_ARG_VAR([LZ4_CFLAGS], [C compiler flags for lz4]) AC_ARG_VAR([LZ4_LIBS], [linker flags for lz4]) if test "$enable_lz4" = "yes" && test "$enable_comp_stub" = "no"; then AC_CHECKING([for LZ4 Library and Header files]) havelz4lib=1 # if LZ4_LIBS is set, we assume it will work, otherwise test if test -z "${LZ4_LIBS}"; then AC_CHECK_LIB(lz4, LZ4_compress, [ LZ4_LIBS="-llz4" ], [ AC_MSG_RESULT([LZ4 library not found.]) havelz4lib=0 ]) fi saved_CFLAGS="${CFLAGS}" CFLAGS="${CFLAGS} ${LZ4_CFLAGS}" AC_CHECK_HEADERS(lz4.h, , [ AC_MSG_RESULT([LZ4 headers not found.]) havelz4lib=0 ]) if test $havelz4lib = 0 ; then AC_MSG_RESULT([LZ4 library or header not found, using version in src/compat/compat-lz4.*]) AC_DEFINE([NEED_COMPAT_LZ4], [1], [use copy of LZ4 source in compat/]) LZ4_LIBS="" fi OPTIONAL_LZ4_CFLAGS="${LZ4_CFLAGS}" OPTIONAL_LZ4_LIBS="${LZ4_LIBS}" AC_DEFINE(ENABLE_LZ4, 1, [Enable LZ4 compression library]) CFLAGS="${saved_CFLAGS}" fi dnl dnl Check for systemd dnl if test "$enable_systemd" = "yes" ; then PKG_CHECK_MODULES([libsystemd], [systemd libsystemd], [], [PKG_CHECK_MODULES([libsystemd], [libsystemd-daemon])] ) AC_CHECK_HEADERS(systemd/sd-daemon.h, , [ AC_MSG_ERROR([systemd development headers not found.]) ]) saved_LIBS="${LIBS}" LIBS="${LIBS} ${libsystemd_LIBS}" AC_CHECK_FUNCS([sd_booted], [], [AC_MSG_ERROR([systemd library is missing sd_booted()])]) OPTIONAL_SYSTEMD_LIBS="${libsystemd_LIBS}" AC_DEFINE(ENABLE_SYSTEMD, 1, [Enable systemd integration]) LIBS="${saved_LIBS}" fi AC_MSG_CHECKING([git checkout]) GIT_CHECKOUT="no" if test -n "${GIT}" -a -d "${srcdir}/.git"; then AC_DEFINE([HAVE_CONFIG_VERSION_H], [1], [extra version available in config-version.h]) GIT_CHECKOUT="yes" fi AC_MSG_RESULT([${GIT_CHECKOUT}]) if test -n "${SP_PLATFORM_WINDOWS}"; then AC_DEFINE_UNQUOTED([PATH_SEPARATOR], ['\\\\'], [Path separator]) #" AC_DEFINE_UNQUOTED([PATH_SEPARATOR_STR], ["\\\\"], [Path separator]) #" else AC_DEFINE_UNQUOTED([PATH_SEPARATOR], ['/'], [Path separator]) AC_DEFINE_UNQUOTED([PATH_SEPARATOR_STR], ["/"], [Path separator]) fi dnl enable --x509-username-field feature if requested if test "${enable_x509_alt_username}" = "yes"; then if test "${with_crypto_library}" = "mbedtls" ; then AC_MSG_ERROR([mbed TLS does not support the --x509-username-field feature]) fi AC_DEFINE([ENABLE_X509ALTUSERNAME], [1], [Enable --x509-username-field feature]) fi test "${ac_cv_header_sys_uio_h}" = "yes" && AC_DEFINE([HAVE_IOVEC], [1], [struct iovec needed for IPv6 support]) test "${enable_multi}" = "yes" && AC_DEFINE([ENABLE_CLIENT_SERVER], [1], [Enable client/server capability]) test "${enable_server}" = "no" && AC_DEFINE([ENABLE_CLIENT_ONLY], [1], [Enable client capability only]) test "${enable_management}" = "yes" && AC_DEFINE([ENABLE_MANAGEMENT], [1], [Enable management server capability]) test "${enable_multihome}" = "yes" && AC_DEFINE([ENABLE_MULTIHOME], [1], [Enable multi-homed UDP server capability]) test "${enable_debug}" = "yes" && AC_DEFINE([ENABLE_DEBUG], [1], [Enable debugging support]) test "${enable_small}" = "yes" && AC_DEFINE([ENABLE_SMALL], [1], [Enable smaller executable size]) test "${enable_fragment}" = "yes" && AC_DEFINE([ENABLE_FRAGMENT], [1], [Enable internal fragmentation support]) test "${enable_port_share}" = "yes" && AC_DEFINE([ENABLE_PORT_SHARE], [1], [Enable TCP Server port sharing]) test "${enable_def_auth}" = "yes" && AC_DEFINE([ENABLE_DEF_AUTH], [1], [Enable deferred authentication]) test "${enable_pf}" = "yes" && AC_DEFINE([ENABLE_PF], [1], [Enable internal packet filter]) test "${enable_strict_options}" = "yes" && AC_DEFINE([ENABLE_STRICT_OPTIONS_CHECK], [1], [Enable strict options check between peers]) if test "${enable_crypto}" = "yes"; then test "${have_crypto}" != "yes" && AC_MSG_ERROR([${with_crypto_library} crypto is required but missing]) test "${enable_crypto_ofb_cfb}" = "yes" && AC_DEFINE([ENABLE_OFB_CFB_MODE], [1], [Enable OFB and CFB cipher modes]) test "${have_crypto_aead_modes}" = "yes" && AC_DEFINE([HAVE_AEAD_CIPHER_MODES], [1], [Use crypto library]) OPTIONAL_CRYPTO_CFLAGS="${OPTIONAL_CRYPTO_CFLAGS} ${CRYPTO_CFLAGS}" OPTIONAL_CRYPTO_LIBS="${OPTIONAL_CRYPTO_LIBS} ${CRYPTO_LIBS}" AC_DEFINE([ENABLE_CRYPTO], [1], [Enable crypto library]) fi if test "${enable_plugins}" = "yes"; then OPTIONAL_DL_LIBS="${DL_LIBS}" AC_DEFINE([ENABLE_PLUGIN], [1], [Enable plug-in support]) else enable_plugin_auth_pam="no" enable_plugin_down_root="no" fi if test "${enable_iproute2}" = "yes"; then test -z "${IPROUTE}" && AC_MSG_ERROR([ip utility is required but missing]) AC_DEFINE([ENABLE_IPROUTE], [1], [enable iproute2 support]) else if test "${WIN32}" != "yes"; then test -z "${ROUTE}" && AC_MSG_ERROR([route utility is required but missing]) test -z "${IFCONFIG}" && AC_MSG_ERROR([ifconfig utility is required but missing]) fi fi if test "${enable_selinux}" = "yes"; then test -z "${SELINUX_LIBS}" && AC_MSG_ERROR([libselinux required but missing]) OPTIONAL_SELINUX_LIBS="${SELINUX_LIBS}" AC_DEFINE([ENABLE_SELINUX], [1], [SELinux support]) fi if test "${enable_lzo}" = "yes"; then test "${have_lzo}" != "yes" && AC_MSG_ERROR([lzo enabled but missing]) OPTIONAL_LZO_CFLAGS="${LZO_CFLAGS}" OPTIONAL_LZO_LIBS="${LZO_LIBS}" AC_DEFINE([ENABLE_LZO], [1], [Enable LZO compression library]) fi if test "${enable_comp_stub}" = "yes"; then test "${enable_lzo}" = "yes" && AC_MSG_ERROR([Cannot have both comp stub and lzo enabled (use --disable-lzo)]) test "${enable_lz4}" = "yes" && AC_MSG_ERROR([Cannot have both comp stub and LZ4 enabled (use --disable-lz4)]) AC_DEFINE([ENABLE_COMP_STUB], [1], [Enable compression stub capability]) fi if test "${enable_pkcs11}" = "yes"; then test "${have_pkcs11_helper}" != "yes" && AC_MSG_ERROR([PKCS11 enabled but libpkcs11-helper is missing]) test "${enable_crypto}" != "yes" && AC_MSG_ERROR([PKCS11 can be enabled only if crypto is enabled]) OPTIONAL_PKCS11_HELPER_CFLAGS="${PKCS11_HELPER_CFLAGS}" OPTIONAL_PKCS11_HELPER_LIBS="${PKCS11_HELPER_LIBS}" AC_DEFINE([ENABLE_PKCS11], [1], [Enable PKCS11]) PKG_CHECK_MODULES( [P11KIT], [p11-kit-1], [proxy_module="`$PKG_CONFIG --variable=proxy_module p11-kit-1`" AC_DEFINE_UNQUOTED([DEFAULT_PKCS11_MODULE], "${proxy_module}", [p11-kit proxy])], [] ) fi if test "${enable_pedantic}" = "yes"; then enable_strict="yes" CFLAGS="${CFLAGS} -pedantic" test "${WIN32}" != "yes" && CFLAGS="${CFLAGS} -ansi" fi if test "${enable_strict}" = "yes"; then CFLAGS="${CFLAGS} -Wall -Wno-unused-parameter -Wno-unused-function" fi if test "${enable_werror}" = "yes"; then CFLAGS="${CFLAGS} -Werror" fi if test "${WIN32}" = "yes"; then test -z "${MAN2HTML}" && AC_MSG_ERROR([man2html is required for win32]) fi if test "${enable_plugin_auth_pam}" = "yes"; then PLUGIN_AUTH_PAM_CFLAGS="${LIBPAM_CFLAGS}" if test "${enable_pam_dlopen}" = "yes"; then AC_DEFINE([USE_PAM_DLOPEN], [1], [dlopen libpam]) PLUGIN_AUTH_PAM_LIBS="${DL_LIBS}" else test -z "${LIBPAM_LIBS}" && AC_MSG_ERROR([libpam required but missing]) PLUGIN_AUTH_PAM_LIBS="${LIBPAM_LIBS}" fi fi if test "${enable_async_push}" = "yes"; then AC_CHECK_HEADERS( [sys/inotify.h], AC_DEFINE([ENABLE_ASYNC_PUSH], [1], [Enable async push]), AC_MSG_ERROR([inotify.h not found.]) ) fi CONFIGURE_DEFINES="`set | grep '^enable_.*=' ; set | grep '^with_.*='`" AC_DEFINE_UNQUOTED([CONFIGURE_DEFINES], ["`echo ${CONFIGURE_DEFINES}`"], [Configuration settings]) TAP_WIN_COMPONENT_ID="PRODUCT_TAP_WIN_COMPONENT_ID" TAP_WIN_MIN_MAJOR="PRODUCT_TAP_WIN_MIN_MAJOR" TAP_WIN_MIN_MINOR="PRODUCT_TAP_WIN_MIN_MINOR" AC_DEFINE_UNQUOTED([TAP_WIN_COMPONENT_ID], ["${TAP_WIN_COMPONENT_ID}"], [The tap-windows id]) AC_DEFINE_UNQUOTED([TAP_WIN_MIN_MAJOR], [${TAP_WIN_MIN_MAJOR}], [The tap-windows version number is required for OpenVPN]) AC_DEFINE_UNQUOTED([TAP_WIN_MIN_MINOR], [${TAP_WIN_MIN_MINOR}], [The tap-windows version number is required for OpenVPN]) AC_SUBST([TAP_WIN_COMPONENT_ID]) AC_SUBST([TAP_WIN_MIN_MAJOR]) AC_SUBST([TAP_WIN_MIN_MINOR]) AC_SUBST([OPTIONAL_DL_LIBS]) AC_SUBST([OPTIONAL_SELINUX_LIBS]) AC_SUBST([OPTIONAL_CRYPTO_CFLAGS]) AC_SUBST([OPTIONAL_CRYPTO_LIBS]) AC_SUBST([OPTIONAL_LZO_CFLAGS]) AC_SUBST([OPTIONAL_LZO_LIBS]) AC_SUBST([OPTIONAL_LZ4_CFLAGS]) AC_SUBST([OPTIONAL_LZ4_LIBS]) AC_SUBST([OPTIONAL_SYSTEMD_LIBS]) AC_SUBST([OPTIONAL_PKCS11_HELPER_CFLAGS]) AC_SUBST([OPTIONAL_PKCS11_HELPER_LIBS]) AC_SUBST([PLUGIN_AUTH_PAM_CFLAGS]) AC_SUBST([PLUGIN_AUTH_PAM_LIBS]) AM_CONDITIONAL([WIN32], [test "${WIN32}" = "yes"]) AM_CONDITIONAL([GIT_CHECKOUT], [test "${GIT_CHECKOUT}" = "yes"]) AM_CONDITIONAL([ENABLE_PLUGIN_AUTH_PAM], [test "${enable_plugin_auth_pam}" = "yes"]) AM_CONDITIONAL([ENABLE_PLUGIN_DOWN_ROOT], [test "${enable_plugin_down_root}" = "yes"]) plugindir="${with_plugindir}" sampledir="\$(docdir)/sample" AC_SUBST([plugindir]) AC_SUBST([sampledir]) VENDOR_SRC_ROOT="\$(abs_top_srcdir)/vendor/" VENDOR_DIST_ROOT="\$(abs_top_builddir)/vendor/dist" VENDOR_BUILD_ROOT="\$(abs_top_builddir)/vendor/.build" AC_SUBST([VENDOR_SRC_ROOT]) AC_SUBST([VENDOR_BUILD_ROOT]) AC_SUBST([VENDOR_DIST_ROOT]) TEST_LDFLAGS="-lcmocka -L\$(abs_top_builddir)/vendor/dist/lib -Wl,-rpath,\$(abs_top_builddir)/vendor/dist/lib" TEST_CFLAGS="-I\$(top_srcdir)/include -I\$(abs_top_builddir)/vendor/dist/include" AC_SUBST([TEST_LDFLAGS]) AC_SUBST([TEST_CFLAGS]) AC_CONFIG_FILES([ version.sh Makefile build/Makefile build/msvc/Makefile build/msvc/msvc-generate/Makefile distro/Makefile distro/rpm/Makefile distro/rpm/openvpn.spec include/Makefile src/Makefile src/compat/Makefile src/openvpn/Makefile src/openvpnserv/Makefile src/plugins/Makefile src/plugins/auth-pam/Makefile src/plugins/down-root/Makefile tests/Makefile tests/unit_tests/Makefile tests/unit_tests/plugins/Makefile tests/unit_tests/plugins/auth-pam/Makefile tests/unit_tests/example_test/Makefile vendor/Makefile sample/Makefile doc/Makefile ]) AC_CONFIG_FILES([tests/t_client.sh], [chmod +x tests/t_client.sh]) AC_OUTPUT