diff --git a/configure.ac b/configure.ac index 12843170..68593574 100644 --- a/configure.ac +++ b/configure.ac @@ -1,908 +1,929 @@ # configure.ac for GPGME # Copyright (C) 2000 Werner Koch (dd9jn) # Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, # 2009, 2010, 2011, 2012, 2013, 2014, 2015 g10 Code GmbH # # This file is part of GPGME. # # GPGME is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as # published by the Free Software Foundation; either version 2.1 of the # License, or (at your option) any later version. # # GPGME is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General # Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # (Process this file with autoconf to produce a configure script.) AC_PREREQ(2.59) min_automake_version="1.14" # To build a release you need to create a tag with the version number # (git tag -s gpgme-n.m.k) and run "./autogen.sh --force". Please # bump the version number immediately after the release and do another # commit and push so that the git magic is able to work. See below # for the LT versions. m4_define(mym4_version_major, [1]) m4_define(mym4_version_minor, [10]) m4_define(mym4_version_micro, [0]) # Below is m4 magic to extract and compute the revision number, the # decimalized short revision number, a beta version string, and a flag # indicating a development version (mym4_isgit). Note that the m4 # processing is done by autoconf and not during the configure run. m4_define(mym4_version, [mym4_version_major.mym4_version_minor.mym4_version_micro]) m4_define([mym4_revision], m4_esyscmd([git rev-parse --short HEAD | tr -d '\n\r'])) m4_define([mym4_revision_dec], m4_esyscmd_s([echo $((0x$(echo ]mym4_revision[|head -c 4)))])) m4_define([mym4_betastring], m4_esyscmd_s([git describe --match 'gpgme-[0-9].*[0-9]' --long|\ awk -F- '$3!=0{print"-beta"$3}'])) m4_define([mym4_isgit],m4_if(mym4_betastring,[],[no],[yes])) m4_define([mym4_full_version],[mym4_version[]mym4_betastring]) AC_INIT([gpgme],[mym4_full_version],[http://bugs.gnupg.org]) # LT Version numbers, remember to change them just *before* a release. # (Code changed: REVISION++) # (Interfaces added/removed/changed: CURRENT++, REVISION=0) # (Interfaces added: AGE++) # (Interfaces removed/changed: AGE=0) # LIBGPGME_LT_CURRENT=29 LIBGPGME_LT_AGE=18 LIBGPGME_LT_REVISION=0 # If there is an ABI break in gpgmepp or qgpgme also bump the # version in IMPORTED_LOCATION in the GpgmeppConfig-w32.cmake.in.in LIBGPGMEPP_LT_CURRENT=10 LIBGPGMEPP_LT_AGE=4 LIBGPGMEPP_LT_REVISION=0 LIBQGPGME_LT_CURRENT=9 LIBQGPGME_LT_AGE=2 LIBQGPGME_LT_REVISION=0 # If the API is changed in an incompatible way: increment the next counter. GPGME_CONFIG_API_VERSION=1 ############################################## NEED_GPG_ERROR_VERSION=1.17 NEED_LIBASSUAN_API=2 NEED_LIBASSUAN_VERSION=2.0.2 PACKAGE=$PACKAGE_NAME VERSION=$PACKAGE_VERSION VERSION_MAJOR=mym4_version_major VERSION_MINOR=mym4_version_minor VERSION_MICRO=mym4_version_micro AC_CONFIG_AUX_DIR([build-aux]) AC_CONFIG_MACRO_DIR([m4]) AC_CONFIG_SRCDIR(src/gpgme.h.in) AC_CONFIG_HEADER(config.h) AM_INIT_AUTOMAKE([serial-tests dist-bzip2 no-dist-gzip]) AM_MAINTAINER_MODE AC_CANONICAL_HOST AM_SILENT_RULES AC_ARG_VAR(SYSROOT,[locate config scripts also below that directory]) # Enable GNU extensions on systems that have them. AC_GNU_SOURCE AH_VERBATIM([_REENTRANT], [/* To allow the use of GPGME in multithreaded programs we have to use special features from the library. IMPORTANT: gpgme is not yet fully reentrant and you should use it only from one thread. */ #ifndef _REENTRANT # define _REENTRANT 1 #endif]) AC_PROG_CC AC_PROG_CPP AC_PROG_CXX # Note: A suitable gitlog-to-changelog script can be found in GnuPG master. AC_CHECK_PROGS(GITLOG_TO_CHANGELOG, gitlog-to-changelog, [gitlog-to-changelog]) AC_SUBST(LIBGPGME_LT_CURRENT) AC_SUBST(LIBGPGME_LT_AGE) AC_SUBST(LIBGPGME_LT_REVISION) AC_SUBST(LIBGPGMEPP_LT_CURRENT) AC_SUBST(LIBGPGMEPP_LT_AGE) AC_SUBST(LIBGPGMEPP_LT_REVISION) AC_SUBST(LIBQGPGME_LT_CURRENT) AC_SUBST(LIBQGPGME_LT_AGE) AC_SUBST(LIBQGPGME_LT_REVISION) AC_SUBST(PACKAGE) AC_SUBST(VERSION) AC_SUBST(VERSION_MAJOR) AC_SUBST(VERSION_MINOR) AC_SUBST(VERSION_MICRO) AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package]) AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version of this package]) VERSION_NUMBER=m4_esyscmd(printf "0x%02x%02x%02x" mym4_version_major \ mym4_version_minor mym4_version_micro) AC_SUBST(VERSION_NUMBER) # We need to compile and run a program on the build machine. A # comment in libgpg-error says that the AC_PROG_CC_FOR_BUILD macro in # the AC archive is broken for autoconf 2.57. Given that there is no # newer version of that macro, we assume that it is also broken for # autoconf 2.61 and thus we use a simple but usually sufficient # approach. AC_MSG_CHECKING(for cc for build) if test "$cross_compiling" = "yes"; then CC_FOR_BUILD="${CC_FOR_BUILD-cc}" else CC_FOR_BUILD="${CC_FOR_BUILD-$CC}" fi AC_MSG_RESULT($CC_FOR_BUILD) AC_ARG_VAR(CC_FOR_BUILD,[build system C compiler]) # Don't default to build static libs. LT_PREREQ([2.2.6]) LT_INIT([win32-dll disable-static]) LT_LANG([Windows Resource]) # For now we hardcode the use of version scripts. It would be better # to write a test for this or even implement this within libtool. have_ld_version_script=no case "${host}" in *-*-linux*) have_ld_version_script=yes ;; *-*-gnu*) have_ld_version_script=yes ;; *-apple-darwin*) AC_DEFINE(_DARWIN_C_SOURCE, 900000L, Expose all libc features (__DARWIN_C_FULL).) AC_DEFINE(_XOPEN_SOURCE, 500, Activate POSIX interface on MacOS X) ;; esac AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes") GPG_DEFAULT=no GPGSM_DEFAULT=no GPGCONF_DEFAULT=no G13_DEFAULT=no component_system=None have_dosish_system=no have_android_system=no have_w32_system=no have_w64_system=no have_macos_system=no build_w32_glib=no build_w32_qt=no available_languages="cl cpp python python2 python3 qt" default_languages="cl cpp python qt" case "${host}" in x86_64-*mingw32*) have_w64_system=yes ;; *-mingw32ce*) have_w32ce_system=yes ;; *-linux-androideabi) have_android_system=yes ;; *-apple-darwin*) have_macos_system=yes ;; esac case "${host}" in *-mingw32ce*|*-mingw32*) have_dosish_system=yes have_w32_system=yes GPG_DEFAULT='c:\\gnupg\\gpg.exe' GPGSM_DEFAULT='c:\\gnupg\\gpgsm.exe' GPGCONF_DEFAULT='c:\\gnupg\\gpgconf.exe' G13_DEFAULT='c:\\gnupg\\g13.exe' #component_system='COM+' AM_PATH_GLIB_2_0 AC_ARG_ENABLE(w32-glib, AC_HELP_STRING([--enable-w32-glib], [build GPGME Glib for W32]), build_w32_glib=$enableval) ;; *) # XXX: Probably use exec-prefix here? # GPG_DEFAULT='/usr/bin/gpg' # GPGSM_DEFAULT='/usr/bin/gpgsm' # GPGCONF_DEFAULT='/usr/bin/gpgconf' # G13_DEFAULT='/usr/bin/g13' ;; esac if test "$have_dosish_system" = yes; then AC_DEFINE(HAVE_DOSISH_SYSTEM,1, [Defined if we run on some of the PCDOS like systems (DOS, Windoze. OS/2) with special properties like no file modes]) fi AM_CONDITIONAL(HAVE_DOSISH_SYSTEM, test "$have_dosish_system" = yes) if test "$have_w32_system" = yes; then AC_DEFINE(HAVE_W32_SYSTEM,1, [Defined if we run on any kind of W32 API based system]) fi AM_CONDITIONAL(HAVE_W32_SYSTEM, test "$have_w32_system" = yes) if test "$have_w64_system" = yes; then AC_DEFINE(HAVE_W64_SYSTEM,1, [Defined if we run on a 64 bit W32 API based system]) fi AM_CONDITIONAL(HAVE_W64_SYSTEM, test "$have_w64_system" = yes) if test "$have_w32ce_system" = yes; then AC_DEFINE(HAVE_W32CE_SYSTEM,1, [Defined if we run on a W32 CE API based system]) fi AM_CONDITIONAL(HAVE_W32CE_SYSTEM, test "$have_w32ce_system" = yes) if test "$have_android_system" = yes; then AC_DEFINE(HAVE_ANDROID_SYSTEM,1, [Defined if we build for an Android system]) fi AM_CONDITIONAL(HAVE_ANDROID_SYSTEM, test "$have_android_system" = yes) if test "$have_macos_system" = yes; then AC_DEFINE(HAVE_MACOS_SYSTEM,1, [Defined if we build for an MacOS system]) fi AM_CONDITIONAL(HAVE_MACOS_SYSTEM, test "$have_macos_system" = yes) AM_CONDITIONAL(BUILD_W32_GLIB, test "$build_w32_glib" = yes) AC_ARG_ENABLE([fixed-path], AC_HELP_STRING([--enable-fixed-path=PATH], [locate binaries only via this PATH]), [fixed_search_path="$enableval"], [fixed_search_path=""]) if test x$fixed_search_path != x ; then AC_DEFINE_UNQUOTED(FIXED_SEARCH_PATH, "$fixed_search_path", [Locate binaries only via this PATH]) fi # Note: You need to declare all possible langauges also in # lang/Makefile.am's DIST_SUBDIRS. AC_ARG_ENABLE([languages], AC_HELP_STRING([--enable-languages=languages], [enable only specific language bindings]), [enabled_languages=`echo $enableval | \ tr ',:' ' ' | tr '[A-Z]' '[a-z]' | \ sed 's/c++/cpp/'`], [enabled_languages="maybe"]) if test "x$enabled_languages" = "x" \ -o "$enabled_languages" = "no"; then enabled_languages= fi # If languages are explicitly set missing requirements # for the languages are treated as errors otherwise # there will be a warning. explicit_languages=1 if test "x$enabled_languages" = "xmaybe"; then explicit_languages=0 enabled_languages="$default_languages" fi for language in $enabled_languages; do LIST_MEMBER($language, $available_languages) if test "$found" = "0"; then AC_MSG_ERROR([unsupported language binding specified]) fi done # Enable C++ 11 if cpp language is requested LIST_MEMBER("cpp", $enabled_languages) if test "$found" = "1"; then AX_CXX_COMPILE_STDCXX(11, noext, optional) if test "$HAVE_CXX11" != "1"; then if test "$explicit_languages" = "1"; then AC_MSG_ERROR([[ *** *** A compiler with c++11 support is required for the c++ binding. ***]]) else enabled_languages=$(echo $enabled_languages | sed 's/cpp//') enabled_languages=$(echo $enabled_languages | sed 's/qt//') AC_MSG_WARN([[ *** *** No c++11 support detected. C++ and Qt bindings will be disabled. ***]]) fi fi fi # Check that if qt is enabled cpp also is enabled LIST_MEMBER("qt", $enabled_languages) if test "$found" = "1"; then # We need to ensure that in the langauge order qt comes after cpp # so we remove qt first and explicitly add it as last list member. enabled_languages=$(echo $enabled_languages | sed 's/qt//') LIST_MEMBER("cpp", $enabled_languages) if test "$found" = "0"; then AC_MSG_ERROR([[ *** *** Qt language binding depends on cpp binding. ***]]) fi FIND_QT if test "$have_qt5_libs" != "yes"; then if test "$explicit_languages" = "1"; then AC_MSG_ERROR([[ *** *** Qt5 (Qt5Core) is required for Qt binding. ***]]) else AC_MSG_WARN([[ *** *** Qt5 (Qt5Core) not found Qt Binding will be disabled. ***]]) fi else enabled_languages=`echo $enabled_languages qt` AC_CHECK_PROGS([DOXYGEN], [doxygen]) if test -z "$DOXYGEN"; # This is not highlighted becase it's not really important. then AC_MSG_WARN([Doxygen not found - Qt binding doc will not be built.]) fi AC_CHECK_PROGS([GRAPHVIZ], [dot]) if test -z "$GRAPHVIZ"; then AC_MSG_WARN([Graphviz not found - Qt binding doc will not have diagrams.]) fi fi fi AM_CONDITIONAL([HAVE_DOXYGEN], [test -n "$DOXYGEN"]) if test -n "$GRAPHVIZ"; then HAVE_DOT="YES" else HAVE_DOT="NO" fi AC_SUBST(HAVE_DOT) # Python bindings. LIST_MEMBER("python2", $enabled_languages) found_py2=$found LIST_MEMBER("python3", $enabled_languages) found_py3=$found LIST_MEMBER("python", $enabled_languages) found_py=$found if test "$found_py" = "1" -o "$found_py2" = "1" -o "$found_py3" = "1"; then AX_PKG_SWIG if test -z "$SWIG"; then if test "$explicit_languages" = "1"; then AC_MSG_ERROR([[ *** *** You need SWIG to build the Python bindings. ***]]) else enabled_languages=$(echo $enabled_languages | sed 's/python//') fi else # Reset all the stuff, just to be sure. PYTHONS= PYTHON_VERSIONS= unset PYTHON unset PYTHON_VERSION unset PYTHON_CPPFLAGS unset PYTHON_LDFLAGS unset PYTHON_SITE_PKG unset PYTHON_EXTRA_LIBS unset PYTHON_EXTRA_LDFLAGS unset ac_cv_path_PYTHON unset am_cv_pathless_PYTHON unset am_cv_python_version unset am_cv_python_platform unset am_cv_python_pythondir unset am_cv_python_pyexecdir if test "$found_py" = "1" -o "$found_py2" = "1"; then AM_PATH_PYTHON([2.7], [ AX_PYTHON_DEVEL if test "$PYTHON_VERSION"; then PYTHONS="$(echo $PYTHONS $PYTHON)" PYTHON_VERSIONS="$(echo $PYTHON_VERSIONS $PYTHON_VERSION)" fi ], :) fi if test "$found_py" = "1" -o "$found_py3" = "1"; then # Reset everything, so that we can look for another Python. unset PYTHON unset PYTHON_VERSION unset PYTHON_CPPFLAGS unset PYTHON_LDFLAGS unset PYTHON_SITE_PKG unset PYTHON_EXTRA_LIBS unset PYTHON_EXTRA_LDFLAGS unset ac_cv_path_PYTHON unset am_cv_pathless_PYTHON unset am_cv_python_version unset am_cv_python_platform unset am_cv_python_pythondir unset am_cv_python_pyexecdir AM_PATH_PYTHON([3.4], [ AX_PYTHON_DEVEL if test "$PYTHON_VERSION"; then PYTHONS="$(echo $PYTHONS $PYTHON)" PYTHON_VERSIONS="$(echo $PYTHON_VERSIONS $PYTHON_VERSION)" fi ], :) fi # Recover some values lost in the second attempt to find Python. PYTHON="$(echo $PYTHONS | cut -d ' ' -f 1)" PYTHON_VERSION="$(echo $PYTHON_VERSIONS | cut -d ' ' -f 1)" # Remove duplicates. PYTHONS="$(echo $PYTHONS | tr '[[:space:]]' '\n' | sort | uniq | tr '\n' ' ' | sed -e 's/ $//')" PYTHON_VERSIONS="$(echo $PYTHON_VERSIONS | tr '[[:space:]]' '\n' | sort | uniq | tr '\n' ' ' | sed -e 's/ $//')" if test "$PYTHON_VERSIONS"; then enabled_languages_v=$(echo $enabled_languages | sed -Ee "s/python[[23]]?/python ($PYTHON_VERSIONS)/") enabled_languages=$(echo $enabled_languages | sed -Ee "s/python[[23]]?/python/") else if test "$explicit_languages" = "1"; then AC_MSG_ERROR([[ *** *** Please install the python development packages. ***]]) else enabled_languages=$(echo $enabled_languages | sed 's/python//') fi fi AC_SUBST(PYTHONS, $PYTHONS) fi fi AC_SUBST(ENABLED_LANGUAGES, $enabled_languages) # # Provide information about the build. # BUILD_REVISION="mym4_revision" AC_SUBST(BUILD_REVISION) AC_DEFINE_UNQUOTED(BUILD_REVISION, "$BUILD_REVISION", [GIT commit id revision used to build this package]) changequote(,)dnl BUILD_FILEVERSION=`echo "$PACKAGE_VERSION"|sed 's/\([0-9.]*\).*/\1./;s/\./,/g'` changequote([,])dnl BUILD_FILEVERSION="${BUILD_FILEVERSION}mym4_revision_dec" AC_SUBST(BUILD_FILEVERSION) AC_ARG_ENABLE([build-timestamp], AC_HELP_STRING([--enable-build-timestamp], [set an explicit build timestamp for reproducibility. (default is the current time in ISO-8601 format)]), [if test "$enableval" = "yes"; then BUILD_TIMESTAMP=`date -u +%Y-%m-%dT%H:%M+0000 2>/dev/null || date` else BUILD_TIMESTAMP="$enableval" fi], [BUILD_TIMESTAMP=""]) AC_SUBST(BUILD_TIMESTAMP) AC_DEFINE_UNQUOTED(BUILD_TIMESTAMP, "$BUILD_TIMESTAMP", [The time this package was configured for a build]) # # Options to disable some regression tests # run_gpgconf_test="yes" AC_ARG_ENABLE(gpgconf-test, AC_HELP_STRING([--disable-gpgconf-test], [disable GPGCONF regression test]), run_gpgconf_test=$enableval) AM_CONDITIONAL(RUN_GPGCONF_TESTS, test "$run_gpgconf_test" = "yes") run_gpg_test="yes" AC_ARG_ENABLE(gpg-test, AC_HELP_STRING([--disable-gpg-test], [disable GPG regression test]), run_gpg_test=$enableval) AM_CONDITIONAL(RUN_GPG_TESTS, test "$run_gpg_test" = "yes") run_gpgsm_test="yes" AC_ARG_ENABLE(gpgsm-test, AC_HELP_STRING([--disable-gpgsm-test], [disable GPGSM regression test]), run_gpgsm_test=$enableval) AM_CONDITIONAL(RUN_GPGSM_TESTS, test "$run_gpgsm_test" = "yes") run_g13_test="yes" AC_ARG_ENABLE(g13-test, AC_HELP_STRING([--disable-g13-test], [disable G13 regression test]), run_g13_test=$enableval) AM_CONDITIONAL(RUN_G13_TESTS, test "$run_g13_test" = "yes") # Checks for header files. AC_CHECK_HEADERS_ONCE([locale.h sys/select.h sys/uio.h argp.h unistd.h sys/time.h sys/types.h sys/stat.h]) # Type checks. AC_C_INLINE AC_CHECK_SIZEOF(unsigned int) AC_SYS_LARGEFILE AC_TYPE_OFF_T AC_TYPE_UINTPTR_T # A simple compile time check in gpgme.h for GNU/Linux systems that # prevents a file offset bits mismatch between gpgme and the application. NEED__FILE_OFFSET_BITS=0 if test "$have_w32_system" != yes; then case "$ac_cv_sys_file_offset_bits" in "" | no | unknown) ;; *) NEED__FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits ;; esac fi AC_SUBST(NEED__FILE_OFFSET_BITS) # Figure out platform dependent typedefs for gpgme.h if test "$have_w32_system" = yes; then INSERT__TYPEDEFS_FOR_GPGME_H=" #ifdef _WIN64 # include typedef int64_t gpgme_off_t; typedef int64_t gpgme_ssize_t; #else /* _WIN32 */ typedef long gpgme_off_t; typedef long gpgme_ssize_t; #endif /* _WIN32 */" API__OFF_T="gpgme_off_t" API__SSIZE_T="gpgme_ssize_t" else INSERT__TYPEDEFS_FOR_GPGME_H=" #include typedef off_t gpgme_off_t; typedef ssize_t gpgme_ssize_t;" API__OFF_T="off_t" API__SSIZE_T="ssize_t" fi AC_SUBST(INSERT__TYPEDEFS_FOR_GPGME_H) AM_SUBST_NOTMAKE(INSERT__TYPEDEFS_FOR_GPGME_H) AC_SUBST(API__OFF_T) AM_SUBST_NOTMAKE(API__OFF_T) AC_SUBST(API__SSIZE_T) AM_SUBST_NOTMAKE(API__SSIZE_T) # Checks for compiler features. if test "$GCC" = yes; then CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes" if test "$USE_MAINTAINER_MODE" = "yes"; then CFLAGS="$CFLAGS -Wformat -Wno-format-y2k -Wformat-security" # If -Wno-missing-field-initializers is supported we can enable a # a bunch of really useful warnings. AC_MSG_CHECKING([if gcc supports -Wno-missing-field-initializers]) _gcc_cflags_save=$CFLAGS CFLAGS="-Wno-missing-field-initializers" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],_gcc_wopt=yes,_gcc_wopt=no) AC_MSG_RESULT($_gcc_wopt) CFLAGS=$_gcc_cflags_save; if test x"$_gcc_wopt" = xyes ; then CFLAGS="$CFLAGS -W -Wextra -Wbad-function-cast" CFLAGS="$CFLAGS -Wwrite-strings" CFLAGS="$CFLAGS -Wdeclaration-after-statement" CFLAGS="$CFLAGS -Wno-missing-field-initializers" CFLAGS="$CFLAGS -Wno-sign-compare" fi CXXFLAGS="$CXXFLAGS -Wall -Wextra -Wno-shadow" AC_MSG_CHECKING([if gcc supports -Wpointer-arith]) _gcc_cflags_save=$CFLAGS CFLAGS="-Wpointer-arith" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],_gcc_wopt=yes,_gcc_wopt=no) AC_MSG_RESULT($_gcc_wopt) CFLAGS=$_gcc_cflags_save; if test x"$_gcc_wopt" = xyes ; then CFLAGS="$CFLAGS -Wpointer-arith" fi fi if test "$have_w32_system" = yes; then CFLAGS="$CFLAGS -mms-bitfields" fi fi # Only used for debugging, so no serious test needed (for actual # functionality you have to test libc as well, this only tests the # compiler). AC_CACHE_CHECK([for __thread],[gpgme_cv_tls_works], AC_COMPILE_IFELSE([AC_LANG_PROGRAM([__thread int foo;])], gpgme_cv_tls_works=yes,gpgme_cv_tls_works=no)) if test "$gpgme_cv_tls_works" = yes; then AC_DEFINE(HAVE_TLS, [1], [Define if __thread is supported]) fi # Checks for library functions. AC_MSG_NOTICE([checking for libraries]) AC_FUNC_FSEEKO # Try to find a thread-safe version of ttyname(). gnupg_REPLACE_TTYNAME_R if test "$ac_cv_func_ttyname_r" != yes; then AC_MSG_WARN([ *** *** ttyname() is not thread-safe and ttyname_r() does not exist ***]) fi # Try to find a thread-safe version of getenv(). have_thread_safe_getenv=no jm_GLIBC21 if test $GLIBC21 = yes; then have_thread_safe_getenv=yes fi if test $have_thread_safe_getenv = yes; then AC_DEFINE(HAVE_THREAD_SAFE_GETENV, [1], [Define if getenv() is thread-safe]) fi have_getenv_r=no AC_CHECK_FUNCS(getenv_r, have_getenv_r=yes) if test $have_getenv_r = no && test $have_thread_safe_getenv = no; then AC_MSG_WARN([ *** *** getenv() is not thread-safe and getenv_r() does not exist ***]) fi # For converting time strings to seconds since Epoch, we need the timegm # function. AC_CHECK_FUNCS(timegm) if test "$ac_cv_func_timegm" != yes; then AC_MSG_WARN([ *** *** timegm() not available - a non-thread-safe kludge will be used *** and the TZ variable might be changed at runtime. ***]) fi AC_CHECK_FUNCS(setlocale) # Checking for libgpg-error. have_gpg_error=no AM_PATH_GPG_ERROR("$NEED_GPG_ERROR_VERSION", have_gpg_error=yes, have_gpg_error=no) AC_DEFINE(GPG_ERR_SOURCE_DEFAULT, GPG_ERR_SOURCE_GPGME, [The default error source for GPGME.]) # And for libassuan. have_libassuan=no AM_PATH_LIBASSUAN("$NEED_LIBASSUAN_API:$NEED_LIBASSUAN_VERSION", have_libassuan=yes, have_libassuan=no) if test "$have_libassuan" = "yes"; then AC_DEFINE_UNQUOTED(GPGME_LIBASSUAN_VERSION, "$libassuan_version", [version of the libassuan library]) fi # # Other checks # # Check for getgid etc AC_CHECK_FUNCS(getgid getegid closefrom) # Replacement functions. AC_REPLACE_FUNCS(stpcpy) AC_REPLACE_FUNCS(setenv) # Assuan check for descriptor passing. AC_CHECK_MEMBER(struct cmsghdr.cmsg_len, [supports_descriptor_passing=yes], [supports_descriptor_passing=no AC_MSG_WARN([ *** *** Data structure for sending ancillary data missing. *** Descriptor passing won't work. ***])],[ #include #include #include #include #include #include #if HAVE_SYS_UIO_H #include #endif #include ]) use_descriptor_passing=yes AC_ARG_ENABLE(fd-passing, AC_HELP_STRING([--disable-fd-passing], [do not use FD passing]), use_descriptor_passing=$enableval) if test "$supports_descriptor_passing" != "yes"; then use_descriptor_passing=no fi if test "$use_descriptor_passing" = "yes"; then AC_DEFINE(USE_DESCRIPTOR_PASSING,1, [Defined if descriptor passing is enabled and supported]) fi AM_CONDITIONAL(USE_DESCRIPTOR_PASSING, test "$use_descriptor_passing" = "yes") uiserver=no if test "$use_descriptor_passing" = "yes" && test "$have_libassuan" = "yes"; then uiserver=yes fi if test "$uiserver" != "no"; then AC_DEFINE(ENABLE_UISERVER, 1, [Defined if we are building with uiserver support.]) fi AM_CONDITIONAL(HAVE_UISERVER, test "$uiserver" != "no") +# Option --disable-linux-getdents +# +# By default we use SYS_getdents on Linux to optimize fd closing +# before an exec. This option allows to switch this optimization off. +use_linux_getdents=yes +AC_ARG_ENABLE(linux-getdents, + AC_HELP_STRING([--disable-linux-getdents], + [do not use SYS_getdents on Linux]), + use_linux_getdents=$enableval) +if test "$use_linux_getdents" = "yes"; then + case "${host}" in + *-*-linux*) + AC_DEFINE(USE_LINUX_GETDENTS,1, + [Defined if SYS_getdents can be used on Linux]) + ;; + esac +fi + + +# # Add a few constants to help porting to W32 +# AH_VERBATIM([SEPCONSTANTS], [ /* Separators as used in $PATH and file name. */ #ifdef HAVE_DOSISH_SYSTEM #define PATHSEP_C ';' #define DIRSEP_C '\\' #define DIRSEP_S "\\" #else #define PATHSEP_C ':' #define DIRSEP_C '/' #define DIRSEP_S "/" #endif ]) AH_BOTTOM([ /* Definition of GCC specific attributes. */ #if __GNUC__ > 2 # define GPGME_GCC_A_PURE __attribute__ ((__pure__)) #else # define GPGME_GCC_A_PURE #endif /* Under WindowsCE we need gpg-error's strerror macro. */ #define GPG_ERR_ENABLE_ERRNO_MACROS 1 #define CRIGHTBLURB "Copyright (C) 2000 Werner Koch\n" \ "Copyright (C) 2001--2017 g10 Code GmbH\n" ]) # Substitution used for gpgme-config GPGME_CONFIG_LIBS="-lgpgme" GPGME_CONFIG_CFLAGS="" GPGME_CONFIG_HOST="$host" GPGME_CONFIG_AVAIL_LANG="$enabled_languages" AC_SUBST(GPGME_CONFIG_API_VERSION) AC_SUBST(GPGME_CONFIG_LIBS) AC_SUBST(GPGME_CONFIG_CFLAGS) AC_SUBST(GPGME_CONFIG_HOST) AC_SUBST(GPGME_CONFIG_AVAIL_LANG) # Frob'da Variables LTLIBOBJS=`echo "$LIB@&t@OBJS" | sed 's,\.[[^.]]* ,.lo ,g;s,\.[[^.]]*$,.lo,'` AC_SUBST(LTLIBOBJS) # Some checks for gpgme-tool # Done at top: AC_CHECK_HEADER([argp.h]) AC_CHECK_TYPES([error_t], [], [AC_DEFINE([error_t], [int], [Define to a type to use for `error_t' if it is not otherwise available.])], [#include ]) # A substitution to set generated files in a Emacs buffer to read-only. AC_SUBST(emacs_local_vars_begin, [['Local][ ][Variables:']]) AC_SUBST(emacs_local_vars_read_only, ['buffer-read-only: t']) AC_SUBST(emacs_local_vars_end, ['End:']) # Last check. die=no if test "$have_gpg_error" = "no"; then die=yes AC_MSG_NOTICE([[ *** *** You need libgpg-error to build this program. ** This library is for example available at *** ftp://ftp.gnupg.org/gcrypt/libgpg-error *** (at least version $NEED_GPG_ERROR_VERSION is required.) ***]]) fi if test "$have_libassuan" = "no"; then die=yes AC_MSG_NOTICE([[ *** *** You need libassuan to build this program. *** This library is for example available at *** ftp://ftp.gnupg.org/gcrypt/libassuan/ *** (at least version $NEED_LIBASSUAN_VERSION (API $NEED_LIBASSUAN_API) is required). ***]]) fi if test "$die" = "yes"; then AC_MSG_ERROR([[ *** *** Required libraries not found. Please consult the above messages *** and install them before running configure again. ***]]) fi # # Create config files AC_CONFIG_FILES(Makefile src/Makefile tests/Makefile tests/gpg/Makefile tests/gpgsm/Makefile tests/opassuan/Makefile doc/Makefile src/versioninfo.rc src/gpgme.h) AC_CONFIG_FILES(src/gpgme-config, chmod +x src/gpgme-config) AC_CONFIG_FILES(lang/cpp/Makefile lang/cpp/src/Makefile) AC_CONFIG_FILES(lang/cpp/src/GpgmeppConfig-w32.cmake.in) AC_CONFIG_FILES(lang/cpp/src/GpgmeppConfig.cmake.in) AC_CONFIG_FILES(lang/cpp/src/GpgmeppConfigVersion.cmake) AC_CONFIG_FILES(lang/cpp/src/gpgmepp_version.h) AC_CONFIG_FILES(lang/qt/Makefile lang/qt/src/Makefile) AC_CONFIG_FILES(lang/qt/src/QGpgmeConfig-w32.cmake.in) AC_CONFIG_FILES(lang/qt/src/QGpgmeConfig.cmake.in) AC_CONFIG_FILES(lang/qt/src/QGpgmeConfigVersion.cmake) AC_CONFIG_FILES(lang/qt/tests/Makefile) AC_CONFIG_FILES(lang/qt/src/qgpgme_version.h) AC_CONFIG_FILES([lang/Makefile lang/cl/Makefile lang/cl/gpgme.asd]) AM_COND_IF([HAVE_DOXYGEN], [AC_CONFIG_FILES([lang/qt/doc/Doxyfile])]) AC_CONFIG_FILES(lang/qt/doc/Makefile) AC_CONFIG_FILES([lang/python/Makefile lang/python/version.py lang/python/tests/Makefile]) AC_CONFIG_FILES([lang/python/setup.py], [chmod a+x lang/python/setup.py]) AC_OUTPUT echo " GPGME v${VERSION} has been configured as follows: Revision: mym4_revision (mym4_revision_dec) Platform: $host UI Server: $uiserver FD Passing: $use_descriptor_passing Language bindings: ${enabled_languages_v:-$enabled_languages} " if test "x${gpg_config_script_warn}" != x; then cat <. */ #ifdef HAVE_CONFIG_H #include #endif #include #include #ifdef HAVE_STDINT_H # include #endif #include #include #include #include #include #ifdef HAVE_UNISTD_H # include #endif #ifdef HAVE_SYS_TIME_H # include #endif #ifdef HAVE_SYS_TYPES_H # include #endif #include #ifdef HAVE_SYS_UIO_H # include #endif #include #include -#if __linux__ +#ifdef USE_LINUX_GETDENTS # include # include # include -#endif /*__linux__ */ +#endif /*USE_LINUX_GETDENTS*/ #include "util.h" #include "priv-io.h" #include "sema.h" #include "ath.h" #include "debug.h" + void _gpgme_io_subsystem_init (void) { struct sigaction act; sigaction (SIGPIPE, NULL, &act); if (act.sa_handler == SIG_DFL) { act.sa_handler = SIG_IGN; sigemptyset (&act.sa_mask); act.sa_flags = 0; sigaction (SIGPIPE, &act, NULL); } } /* Write the printable version of FD to the buffer BUF of length BUFLEN. The printable version is the representation on the command line that the child process expects. */ int _gpgme_io_fd2str (char *buf, int buflen, int fd) { return snprintf (buf, buflen, "%d", fd); } /* The table to hold notification handlers. We use a linear search and extend the table as needed. */ struct notify_table_item_s { int fd; /* -1 indicates an unused entry. */ _gpgme_close_notify_handler_t handler; void *value; }; typedef struct notify_table_item_s *notify_table_item_t; static notify_table_item_t notify_table; static size_t notify_table_size; DEFINE_STATIC_LOCK (notify_table_lock); int _gpgme_io_read (int fd, void *buffer, size_t count) { int nread; TRACE_BEG2 (DEBUG_SYSIO, "_gpgme_io_read", fd, "buffer=%p, count=%u", buffer, count); do { nread = _gpgme_ath_read (fd, buffer, count); } while (nread == -1 && errno == EINTR); TRACE_LOGBUF (buffer, nread); return TRACE_SYSRES (nread); } int _gpgme_io_write (int fd, const void *buffer, size_t count) { int nwritten; TRACE_BEG2 (DEBUG_SYSIO, "_gpgme_io_write", fd, "buffer=%p, count=%u", buffer, count); TRACE_LOGBUF (buffer, count); do { nwritten = _gpgme_ath_write (fd, buffer, count); } while (nwritten == -1 && errno == EINTR); return TRACE_SYSRES (nwritten); } int _gpgme_io_pipe (int filedes[2], int inherit_idx) { int saved_errno; int err; TRACE_BEG2 (DEBUG_SYSIO, "_gpgme_io_pipe", filedes, "inherit_idx=%i (GPGME uses it for %s)", inherit_idx, inherit_idx ? "reading" : "writing"); err = pipe (filedes); if (err < 0) return TRACE_SYSRES (err); /* FIXME: Should get the old flags first. */ err = fcntl (filedes[1 - inherit_idx], F_SETFD, FD_CLOEXEC); saved_errno = errno; if (err < 0) { close (filedes[0]); close (filedes[1]); } errno = saved_errno; if (err) return TRACE_SYSRES (err); return TRACE_SUC2 ("read=0x%x, write=0x%x", filedes[0], filedes[1]); } int _gpgme_io_close (int fd) { int res; _gpgme_close_notify_handler_t handler = NULL; void *handler_value; int idx; TRACE_BEG (DEBUG_SYSIO, "_gpgme_io_close", fd); if (fd == -1) { errno = EINVAL; return TRACE_SYSRES (-1); } /* First call the notify handler. */ LOCK (notify_table_lock); for (idx=0; idx < notify_table_size; idx++) { if (notify_table[idx].fd == fd) { handler = notify_table[idx].handler; handler_value = notify_table[idx].value; notify_table[idx].handler = NULL; notify_table[idx].value = NULL; notify_table[idx].fd = -1; /* Mark slot as free. */ break; } } UNLOCK (notify_table_lock); if (handler) { TRACE_LOG2 ("invoking close handler %p/%p", handler, handler_value); handler (fd, handler_value); } /* Then do the close. */ res = close (fd); return TRACE_SYSRES (res); } int _gpgme_io_set_close_notify (int fd, _gpgme_close_notify_handler_t handler, void *value) { int res = 0; int idx; TRACE_BEG2 (DEBUG_SYSIO, "_gpgme_io_set_close_notify", fd, "close_handler=%p/%p", handler, value); assert (fd != -1); LOCK (notify_table_lock); for (idx=0; idx < notify_table_size; idx++) if (notify_table[idx].fd == -1) break; if (idx == notify_table_size) { /* We need to increase the size of the table. The approach we take is straightforward to minimize the risk of bugs. */ notify_table_item_t newtbl; size_t newsize = notify_table_size + 64; newtbl = calloc (newsize, sizeof *newtbl); if (!newtbl) { res = -1; goto leave; } for (idx=0; idx < notify_table_size; idx++) newtbl[idx] = notify_table[idx]; for (; idx < newsize; idx++) { newtbl[idx].fd = -1; newtbl[idx].handler = NULL; newtbl[idx].value = NULL; } free (notify_table); notify_table = newtbl; idx = notify_table_size; notify_table_size = newsize; } notify_table[idx].fd = fd; notify_table[idx].handler = handler; notify_table[idx].value = value; leave: UNLOCK (notify_table_lock); return TRACE_SYSRES (res); } int _gpgme_io_set_nonblocking (int fd) { int flags; int res; TRACE_BEG (DEBUG_SYSIO, "_gpgme_io_set_nonblocking", fd); flags = fcntl (fd, F_GETFL, 0); if (flags == -1) return TRACE_SYSRES (-1); flags |= O_NONBLOCK; res = fcntl (fd, F_SETFL, flags); return TRACE_SYSRES (res); } -#ifdef __linux__ +#ifdef USE_LINUX_GETDENTS /* This is not declared in public headers; getdents(2) says that we must * define it ourselves. */ struct linux_dirent { unsigned long d_ino; unsigned long d_off; unsigned short d_reclen; char d_name[]; }; # define DIR_BUF_SIZE 1024 -#endif /* __linux__ */ +#endif /*USE_LINUX_GETDENTS*/ + static long int get_max_fds (void) { const char *source = NULL; long int fds = -1; int rc; /* Under Linux we can figure out the highest used file descriptor by * reading /proc/self/fd. This is in the common cases much faster * than for example doing 4096 close calls where almost all of them * will fail. * * We can't use the normal opendir/readdir/closedir interface between * fork and exec in a multi-threaded process because opendir uses * malloc and thus a mutex which may deadlock with a malloc in another * thread. However, the underlying getdents system call is safe. */ -#ifdef __linux__ +#ifdef USE_LINUX_GETDENTS { int dir_fd; char dir_buf[DIR_BUF_SIZE]; struct linux_dirent *dir_entry; int r, pos; const char *s; int x; dir_fd = open ("/proc/self/fd", O_RDONLY | O_DIRECTORY); if (dir_fd != -1) { for (;;) { r = syscall(SYS_getdents, dir_fd, dir_buf, DIR_BUF_SIZE); if (r == -1) { /* Fall back to other methods. */ fds = -1; break; } if (r == 0) break; for (pos = 0; pos < r; pos += dir_entry->d_reclen) { dir_entry = (struct linux_dirent *) (dir_buf + pos); s = dir_entry->d_name; if (*s < '0' || *s > '9') continue; /* atoi is not guaranteed to be async-signal-safe. */ for (x = 0; *s >= '0' && *s <= '9'; s++) x = x * 10 + (*s - '0'); if (!*s && x > fds && x != dir_fd) fds = x; } } close (dir_fd); } if (fds != -1) { fds++; source = "/proc"; } } -#endif /* __linux__ */ +#endif /*USE_LINUX_GETDENTS*/ #ifdef RLIMIT_NOFILE if (fds == -1) { struct rlimit rl; rc = getrlimit (RLIMIT_NOFILE, &rl); if (rc == 0) { source = "RLIMIT_NOFILE"; fds = rl.rlim_max; } } #endif #ifdef RLIMIT_OFILE if (fds == -1) { struct rlimit rl; rc = getrlimit (RLIMIT_OFILE, &rl); if (rc == 0) { source = "RLIMIT_OFILE"; fds = rl.rlim_max; } } #endif #ifdef _SC_OPEN_MAX if (fds == -1) { long int scres; scres = sysconf (_SC_OPEN_MAX); if (scres >= 0) { source = "_SC_OPEN_MAX"; return scres; } } #endif #ifdef OPEN_MAX if (fds == -1) { source = "OPEN_MAX"; fds = OPEN_MAX; } #endif #if !defined(RLIMIT_NOFILE) && !defined(RLIMIT_OFILE) \ && !defined(_SC_OPEN_MAX) && !defined(OPEN_MAX) #warning "No known way to get the maximum number of file descriptors." #endif if (fds == -1) { source = "arbitrary"; /* Arbitrary limit. */ fds = 1024; } /* AIX returns INT32_MAX instead of a proper value. We assume that * this is always an error and use a more reasonable limit. */ #ifdef INT32_MAX if (fds == INT32_MAX) { source = "aix-fix"; fds = 1024; } #endif TRACE2 (DEBUG_SYSIO, "gpgme:max_fds", 0, "max fds=%i (%s)", fds, source); return fds; } int _gpgme_io_waitpid (int pid, int hang, int *r_status, int *r_signal) { int status; pid_t ret; *r_status = 0; *r_signal = 0; do ret = _gpgme_ath_waitpid (pid, &status, hang? 0 : WNOHANG); while (ret == (pid_t)(-1) && errno == EINTR); if (ret == pid) { if (WIFSIGNALED (status)) { *r_status = 4; /* Need some value here. */ *r_signal = WTERMSIG (status); } else if (WIFEXITED (status)) *r_status = WEXITSTATUS (status); else *r_status = 4; /* Oops. */ return 1; } return 0; } /* Returns 0 on success, -1 on error. */ int _gpgme_io_spawn (const char *path, char *const argv[], unsigned int flags, struct spawn_fd_item_s *fd_list, void (*atfork) (void *opaque, int reserved), void *atforkvalue, pid_t *r_pid) { pid_t pid; int i; int status; int signo; TRACE_BEG1 (DEBUG_SYSIO, "_gpgme_io_spawn", path, "path=%s", path); i = 0; while (argv[i]) { TRACE_LOG2 ("argv[%2i] = %s", i, argv[i]); i++; } for (i = 0; fd_list[i].fd != -1; i++) if (fd_list[i].dup_to == -1) TRACE_LOG2 ("fd[%i] = 0x%x", i, fd_list[i].fd); else TRACE_LOG3 ("fd[%i] = 0x%x -> 0x%x", i, fd_list[i].fd, fd_list[i].dup_to); pid = fork (); if (pid == -1) return TRACE_SYSRES (-1); if (!pid) { /* Intermediate child to prevent zombie processes. */ if ((pid = fork ()) == 0) { /* Child. */ int max_fds = -1; int fd; int seen_stdin = 0; int seen_stdout = 0; int seen_stderr = 0; if (atfork) atfork (atforkvalue, 0); /* First close all fds which will not be inherited. If we * have closefrom(2) we first figure out the highest fd we * do not want to close, then call closefrom, and on success * use the regular code to close all fds up to the start * point of closefrom. Note that Solaris' and FreeBSD's closefrom do * not return errors. */ #ifdef HAVE_CLOSEFROM { fd = -1; for (i = 0; fd_list[i].fd != -1; i++) if (fd_list[i].fd > fd) fd = fd_list[i].fd; fd++; #if defined(__sun) || defined(__FreeBSD__) closefrom (fd); max_fds = fd; #else /*!__sun */ while ((i = closefrom (fd)) && errno == EINTR) ; if (!i || errno == EBADF) max_fds = fd; #endif /*!__sun*/ } #endif /*HAVE_CLOSEFROM*/ if (max_fds == -1) max_fds = get_max_fds (); for (fd = 0; fd < max_fds; fd++) { for (i = 0; fd_list[i].fd != -1; i++) if (fd_list[i].fd == fd) break; if (fd_list[i].fd == -1) close (fd); } /* And now dup and close those to be duplicated. */ for (i = 0; fd_list[i].fd != -1; i++) { int child_fd; int res; if (fd_list[i].dup_to != -1) child_fd = fd_list[i].dup_to; else child_fd = fd_list[i].fd; if (child_fd == 0) seen_stdin = 1; else if (child_fd == 1) seen_stdout = 1; else if (child_fd == 2) seen_stderr = 1; if (fd_list[i].dup_to == -1) continue; res = dup2 (fd_list[i].fd, fd_list[i].dup_to); if (res < 0) { #if 0 /* FIXME: The debug file descriptor is not dup'ed anyway, so we can't see this. */ TRACE_LOG1 ("dup2 failed in child: %s\n", strerror (errno)); #endif _exit (8); } close (fd_list[i].fd); } if (! seen_stdin || ! seen_stdout || !seen_stderr) { fd = open ("/dev/null", O_RDWR); if (fd == -1) { /* The debug file descriptor is not dup'ed, so we can't do a trace output. */ _exit (8); } /* Make sure that the process has connected stdin. */ if (! seen_stdin && fd != 0) { if (dup2 (fd, 0) == -1) _exit (8); } if (! seen_stdout && fd != 1) { if (dup2 (fd, 1) == -1) _exit (8); } if (! seen_stderr && fd != 2) { if (dup2 (fd, 2) == -1) _exit (8); } if (fd != 0 && fd != 1 && fd != 2) close (fd); } execv (path, (char *const *) argv); /* Hmm: in that case we could write a special status code to the status-pipe. */ _exit (8); /* End child. */ } if (pid == -1) _exit (1); else _exit (0); } TRACE_LOG1 ("waiting for child process pid=%i", pid); _gpgme_io_waitpid (pid, 1, &status, &signo); if (status) return TRACE_SYSRES (-1); for (i = 0; fd_list[i].fd != -1; i++) { if (! (flags & IOSPAWN_FLAG_NOCLOSE)) _gpgme_io_close (fd_list[i].fd); /* No handle translation. */ fd_list[i].peer_name = fd_list[i].fd; } if (r_pid) *r_pid = pid; return TRACE_SYSRES (0); } /* Select on the list of fds. Returns: -1 = error, 0 = timeout or nothing to select, > 0 = number of signaled fds. */ int _gpgme_io_select (struct io_select_fd_s *fds, size_t nfds, int nonblock) { fd_set readfds; fd_set writefds; unsigned int i; int any; int max_fd; int n; int count; /* Use a 1s timeout. */ struct timeval timeout = { 1, 0 }; void *dbg_help = NULL; TRACE_BEG2 (DEBUG_SYSIO, "_gpgme_io_select", fds, "nfds=%u, nonblock=%u", nfds, nonblock); FD_ZERO (&readfds); FD_ZERO (&writefds); max_fd = 0; if (nonblock) timeout.tv_sec = 0; TRACE_SEQ (dbg_help, "select on [ "); any = 0; for (i = 0; i < nfds; i++) { if (fds[i].fd == -1) continue; if (fds[i].for_read) { if (fds[i].fd >= FD_SETSIZE) { TRACE_END (dbg_help, " -BAD- ]"); gpg_err_set_errno (EMFILE); return TRACE_SYSRES (-1); } assert (!FD_ISSET (fds[i].fd, &readfds)); FD_SET (fds[i].fd, &readfds); if (fds[i].fd > max_fd) max_fd = fds[i].fd; TRACE_ADD1 (dbg_help, "r0x%x ", fds[i].fd); any = 1; } else if (fds[i].for_write) { if (fds[i].fd >= FD_SETSIZE) { TRACE_END (dbg_help, " -BAD- ]"); gpg_err_set_errno (EMFILE); return TRACE_SYSRES (-1); } assert (!FD_ISSET (fds[i].fd, &writefds)); FD_SET (fds[i].fd, &writefds); if (fds[i].fd > max_fd) max_fd = fds[i].fd; TRACE_ADD1 (dbg_help, "w0x%x ", fds[i].fd); any = 1; } fds[i].signaled = 0; } TRACE_END (dbg_help, "]"); if (!any) return TRACE_SYSRES (0); do { count = _gpgme_ath_select (max_fd + 1, &readfds, &writefds, NULL, &timeout); } while (count < 0 && errno == EINTR); if (count < 0) return TRACE_SYSRES (-1); TRACE_SEQ (dbg_help, "select OK [ "); if (TRACE_ENABLED (dbg_help)) { for (i = 0; i <= max_fd; i++) { if (FD_ISSET (i, &readfds)) TRACE_ADD1 (dbg_help, "r0x%x ", i); if (FD_ISSET (i, &writefds)) TRACE_ADD1 (dbg_help, "w0x%x ", i); } TRACE_END (dbg_help, "]"); } /* The variable N is used to optimize it a little bit. */ for (n = count, i = 0; i < nfds && n; i++) { if (fds[i].fd == -1) ; else if (fds[i].for_read) { if (FD_ISSET (fds[i].fd, &readfds)) { fds[i].signaled = 1; n--; } } else if (fds[i].for_write) { if (FD_ISSET (fds[i].fd, &writefds)) { fds[i].signaled = 1; n--; } } } return TRACE_SYSRES (count); } int _gpgme_io_recvmsg (int fd, struct msghdr *msg, int flags) { int nread; int saved_errno; struct iovec *iov; TRACE_BEG2 (DEBUG_SYSIO, "_gpgme_io_recvmsg", fd, "msg=%p, flags=%i", msg, flags); nread = 0; iov = msg->msg_iov; while (iov < msg->msg_iov + msg->msg_iovlen) { nread += iov->iov_len; iov++; } TRACE_LOG1 ("about to receive %d bytes", nread); do { nread = _gpgme_ath_recvmsg (fd, msg, flags); } while (nread == -1 && errno == EINTR); saved_errno = errno; if (nread > 0) { int nr = nread; iov = msg->msg_iov; while (nr > 0) { int len = nr > iov->iov_len ? iov->iov_len : nr; TRACE_LOGBUF (msg->msg_iov->iov_base, len); iov++; nr -= len; } } errno = saved_errno; return TRACE_SYSRES (nread); } int _gpgme_io_sendmsg (int fd, const struct msghdr *msg, int flags) { int nwritten; struct iovec *iov; TRACE_BEG2 (DEBUG_SYSIO, "_gpgme_io_sendmsg", fd, "msg=%p, flags=%i", msg, flags); nwritten = 0; iov = msg->msg_iov; while (iov < msg->msg_iov + msg->msg_iovlen) { nwritten += iov->iov_len; iov++; } TRACE_LOG1 ("about to receive %d bytes", nwritten); iov = msg->msg_iov; while (nwritten > 0) { int len = nwritten > iov->iov_len ? iov->iov_len : nwritten; TRACE_LOGBUF (msg->msg_iov->iov_base, len); iov++; nwritten -= len; } do { nwritten = _gpgme_ath_sendmsg (fd, msg, flags); } while (nwritten == -1 && errno == EINTR); return TRACE_SYSRES (nwritten); } int _gpgme_io_dup (int fd) { int new_fd; do new_fd = dup (fd); while (new_fd == -1 && errno == EINTR); TRACE1 (DEBUG_SYSIO, "_gpgme_io_dup", fd, "new fd==%i", new_fd); return new_fd; } int _gpgme_io_socket (int domain, int type, int proto) { int res; TRACE_BEG2 (DEBUG_SYSIO, "_gpgme_io_socket", domain, "type=%i, proto=%i", type, proto); res = socket (domain, type, proto); return TRACE_SYSRES (res); } int _gpgme_io_connect (int fd, struct sockaddr *addr, int addrlen) { int res; TRACE_BEG2 (DEBUG_SYSIO, "_gpgme_io_connect", fd, "addr=%p, addrlen=%i", addr, addrlen); do res = ath_connect (fd, addr, addrlen); while (res == -1 && errno == EINTR); return TRACE_SYSRES (res); }