From e6860eb957208a932fb565dd7b5e79fe5a4df662 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Eivind=20N=C3=A6ss?= Date: Fri, 3 Mar 2023 05:22:13 +0000 Subject: [PATCH 1/2] Adding support for compiling against pppd-2.5.0 (current master) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Eivind Næss --- configure.ac | 46 +++++++++++++++++++++++++++++++++++++-- src/nm-l2tp-pppd-plugin.c | 20 +++++++++-------- 2 files changed, 55 insertions(+), 11 deletions(-) diff --git a/configure.ac b/configure.ac index baf8d44..b925eb0 100644 --- a/configure.ac +++ b/configure.ac @@ -33,7 +33,10 @@ dnl AC_PROG_CC AM_PROG_CC_C_O AC_PROG_INSTALL +AC_PROG_CPP +AC_PROG_EGREP AC_PATH_PROG(GLIB_COMPILE_RESOURCES, glib-compile-resources) +PKG_PROG_PKG_CONFIG() AC_CHECK_PROG([has_file], file, yes, no) if test x$has_file = xno ; then @@ -49,24 +52,63 @@ dnl dnl Required headers dnl AC_HEADER_STDC -AC_CHECK_HEADERS(fcntl.h paths.h sys/ioctl.h sys/time.h syslog.h unistd.h) +AC_CHECK_HEADERS([ + fcntl.h + paths.h + stdarg.h + stdbool.h + sys/ioctl.h + sys/time.h + syslog.h + unistd.h + ]) AC_CHECK_HEADERS(pppd/pppd.h,, AC_MSG_ERROR(couldn't find pppd.h. pppd development headers are required.)) +dnl +dnl Check the presense of other pppd/*.h files +AC_CHECK_HEADERS([ + pppd/chap.h + pppd/chap-new.h + pppd/chap_ms.h + ]) + +dnl +dnl Versions >= 2.5.0 will have pkg-config support +PKG_CHECK_EXISTS([pppd], + [AS_VAR_SET([pppd_pkgconfig_support],[yes])]) + +dnl +dnl Get the version of pppd using pkg-config, assume 2.4.9 if not present +PPPD_VERSION=2.4.9 +if test x"$pppd_pkgconfig_support" = xyes; then + PPPD_VERSION=`$PKG_CONFIG --modversion pppd` +fi + AC_ARG_WITH([pppd-plugin-dir], AS_HELP_STRING([--with-pppd-plugin-dir=DIR], [path to the pppd plugins directory])) if test -n "$with_pppd_plugin_dir" ; then PPPD_PLUGIN_DIR="$with_pppd_plugin_dir" else - PPPD_PLUGIN_DIR="${libdir}/pppd/2.4.9" + PPPD_PLUGIN_DIR="${libdir}/pppd/$PPPD_VERSION" fi AC_SUBST(PPPD_PLUGIN_DIR) +dnl The version of pppd dictates what code can be included, i.e. enable use of +dnl #if WITH_PPP_VERSION >= PPP_VERSION(2,5,0) in the code +AC_DEFINE_UNQUOTED([PPP_VERSION(x,y,z)], + [((x & 0xFF) << 16 | (y & 0xFF) << 8 | (z & 0xFF) << 0)], + [Macro to help determine the particular version of pppd]) +PPP_VERSION=$(echo $PPPD_VERSION | sed -e "s/\./\,/g") +AC_DEFINE_UNQUOTED(WITH_PPP_VERSION, PPP_VERSION($PPP_VERSION), + [The real version of pppd represented as an int]) + AC_MSG_CHECKING(whether EAP-TLS patch has been applied to pppd) AC_EGREP_CPP(eaptls_passwd_hook, [ #define USE_EAPTLS #include +#include ], [have_eap_tls=yes] , [have_eap_tls=no]) if test "x${have_eap_tls}" = "xno"; then diff --git a/src/nm-l2tp-pppd-plugin.c b/src/nm-l2tp-pppd-plugin.c index 71a7878..dd752a1 100644 --- a/src/nm-l2tp-pppd-plugin.c +++ b/src/nm-l2tp-pppd-plugin.c @@ -9,11 +9,6 @@ #include #define ___CONFIG_H__ -/* pppd headers *sigh* */ -#include -#include -#include - #include "nm-default.h" #include @@ -25,13 +20,14 @@ #include "nm-l2tp-service.h" #include "nm-ppp-status.h" +#include "nm-l2tp-pppd-compat.h" #include "nm-utils/nm-shared-utils.h" #include "nm-utils/nm-vpn-plugin-macros.h" int plugin_init(void); -char pppd_version[] = VERSION; +char pppd_version[] = PPPD_VERSION; /*****************************************************************************/ @@ -146,7 +142,7 @@ nm_phasechange(void *data, int arg) static void nm_ip_up(void *data, int arg) { - guint32 pppd_made_up_address = htonl (0x0a404040 + ifunit); + guint32 pppd_made_up_address = htonl (0x0a404040 + ppp_ifunit()); ipcp_options opts = ipcp_gotoptions[0]; ipcp_options peer_opts = ipcp_hisoptions[0]; GVariantBuilder builder; @@ -166,7 +162,7 @@ nm_ip_up(void *data, int arg) g_variant_builder_add(&builder, "{sv}", NM_VPN_PLUGIN_IP4_CONFIG_TUNDEV, - g_variant_new_string(ifname)); + g_variant_new_string(ppp_ifname())); g_variant_builder_add(&builder, "{sv}", @@ -343,12 +339,18 @@ plugin_init(void) chap_check_hook = get_chap_check; pap_passwd_hook = get_credentials; pap_check_hook = get_pap_check; -#ifdef USE_EAPTLS +#if defined(USE_EAPTLS) || defined(PPP_WITH_EAPTLS) eaptls_passwd_hook = get_credentials; #endif +#if WITH_PPP_VERSION < PPP_VERSION(2,5,0) add_notifier(&phasechange, nm_phasechange, NULL); add_notifier(&ip_up_notifier, nm_ip_up, NULL); add_notifier(&exitnotify, nm_exit_notify, NULL); +#else + ppp_add_notify(NF_PHASE_CHANGE, nm_phasechange, NULL); + ppp_add_notify(NF_IP_UP, nm_ip_up, NULL); + ppp_add_notify(NF_EXIT, nm_exit_notify, NULL); +#endif return 0; } -- 2.40.0