From 6615a15ca6a9fdf71523c0b14bfb7493dbc5a37c Mon Sep 17 00:00:00 2001 From: Marcus Brinkmann Date: Sat, 13 Sep 2003 17:45:04 +0000 Subject: [PATCH] 2003-09-13 Marcus Brinkmann * acinclude.m4: Remove libtool cruft, add jm_GLIBC21. * configure.ac: Add check for getenv_r, and call jm_GLIBC21. Define HAVE_THREAD_SAFE_GETENV if appropriate. gpgme/ 2003-09-13 Marcus Brinkmann * get-env.c: New file. * util.h (_gpgme_getenv): Add prototype. * Makefile.am (libgpgme_real_la_SOURCES): Add get-env.c. * rungpg.c (build_argv): Use _gpgme_getenv. * debug.c (debug_init): Likewise. * engine-gpgsm.c (gpgsm_new): Likewise. (gpgsm_new): Use ttyname_r. * w32-io.c (_gpgme_io_spawn): Disable debugging for now. --- trunk/ChangeLog | 6 + trunk/TODO | 4 +- trunk/acinclude.m4 | 3727 +----------------------------------- trunk/configure.ac | 18 + trunk/gpgme/ChangeLog | 11 + trunk/gpgme/Makefile.am | 2 +- trunk/gpgme/debug.c | 11 +- trunk/gpgme/engine-gpgsm.c | 25 +- trunk/gpgme/get-env.c | 58 + trunk/gpgme/rungpg.c | 9 +- trunk/gpgme/util.h | 6 + trunk/gpgme/w32-io.c | 3 +- 12 files changed, 174 insertions(+), 3706 deletions(-) create mode 100644 trunk/gpgme/get-env.c diff --git a/trunk/ChangeLog b/trunk/ChangeLog index 6e055d4..6e98280 100644 --- a/trunk/ChangeLog +++ b/trunk/ChangeLog @@ -1,3 +1,9 @@ +2003-09-13 Marcus Brinkmann + + * acinclude.m4: Remove libtool cruft, add jm_GLIBC21. + * configure.ac: Add check for getenv_r, and call jm_GLIBC21. + Define HAVE_THREAD_SAFE_GETENV if appropriate. + 2003-09-03 Marcus Brinkmann * configure.ac: Remove GPGME_CONFIG_LIBS and GPGME_CONFIG_CFLAGS. diff --git a/trunk/TODO b/trunk/TODO index 23e09bf..28d5e23 100644 --- a/trunk/TODO +++ b/trunk/TODO @@ -1,7 +1,8 @@ Hey Emacs, this is -*- outline -*- mode! * Before release: -** currently nothing +** set_locale for thread safe and env independent locale selection. +** Add gpgme_strerror_r() when gpg_strerror_r() exists. * ABI's to break: ** I/O and User Data could be made extensible. But this can be done @@ -38,7 +39,6 @@ Hey Emacs, this is -*- outline -*- mode! ** --learn-code support This might be integrated with import. we still need to work out how to learn a card when gpg and gpgsm have support for smartcards. -** set_locale for thread safe and env independent locale selection. ** How to terminate a pending operation? Something like gpgme_op_reset, but where are you allowed to call it (think callback handlers). Then gpgme_op_*list_end can go. Update: The only place where this diff --git a/trunk/acinclude.m4 b/trunk/acinclude.m4 index abdee4d..30ee8ca 100644 --- a/trunk/acinclude.m4 +++ b/trunk/acinclude.m4 @@ -432,3700 +432,6 @@ else fi ]) -# libtool.m4 - Configure libtool for the host system. -*-Shell-script-*- -## Copyright 1996, 1997, 1998, 1999, 2000, 2001 -## Free Software Foundation, Inc. -## Originally by Gordon Matzigkeit , 1996 -## -## This program is free software; you can redistribute it and/or modify -## it under the terms of the GNU General Public License as published by -## the Free Software Foundation; either version 2 of the License, or -## (at your option) any later version. -## -## This program 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 -## General Public License for more details. -## -## You should have received a copy of the GNU General Public License -## along with this program; if not, write to the Free Software -## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -## -## As a special exception to the GNU General Public License, if you -## distribute this file as part of a program that contains a -## configuration script generated by Autoconf, you may include it under -## the same distribution terms that you use for the rest of that program. - -# serial 46 AC_PROG_LIBTOOL - -AC_DEFUN([AC_PROG_LIBTOOL], -[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl - -# This can be used to rebuild libtool when needed -LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh" - -# Always use our own libtool. -LIBTOOL='$(SHELL) $(top_builddir)/libtool' -AC_SUBST(LIBTOOL)dnl - -# Prevent multiple expansion -define([AC_PROG_LIBTOOL], []) -]) - -AC_DEFUN([AC_LIBTOOL_SETUP], -[AC_PREREQ(2.13)dnl -AC_REQUIRE([AC_ENABLE_SHARED])dnl -AC_REQUIRE([AC_ENABLE_STATIC])dnl -AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl -AC_REQUIRE([AC_CANONICAL_HOST])dnl -AC_REQUIRE([AC_CANONICAL_BUILD])dnl -AC_REQUIRE([AC_PROG_CC])dnl -AC_REQUIRE([AC_PROG_LD])dnl -AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl -AC_REQUIRE([AC_PROG_NM])dnl -AC_REQUIRE([LT_AC_PROG_SED])dnl - -AC_REQUIRE([AC_PROG_LN_S])dnl -AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl -AC_REQUIRE([AC_OBJEXT])dnl -AC_REQUIRE([AC_EXEEXT])dnl -dnl - -_LT_AC_PROG_ECHO_BACKSLASH -# Only perform the check for file, if the check method requires it -case $deplibs_check_method in -file_magic*) - if test "$file_magic_cmd" = '$MAGIC_CMD'; 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Prefer GNU sed if found. -AC_DEFUN([LT_AC_PROG_SED], -[AC_MSG_CHECKING([for a sed that does not truncate output]) -AC_CACHE_VAL(lt_cv_path_SED, -[# Loop through the user's path and test for sed and gsed. -# Then use that list of sed's as ones to test for truncation. -as_executable_p="test -f" -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_prog in sed gsed; do - for ac_exec_ext in '' $ac_executable_extensions; do - if $as_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then - _sed_list="$_sed_list $as_dir/$ac_prog$ac_exec_ext" - fi - done - done -done - - # Create a temporary directory, and hook for its removal unless debugging. -$debug || -{ - trap 'exit_status=$?; rm -rf $tmp && exit $exit_status' 0 - trap '{ (exit 1); exit 1; }' 1 2 13 15 -} - -# Create a (secure) tmp directory for tmp files. -: ${TMPDIR=/tmp} -{ - tmp=`(umask 077 && mktemp -d -q "$TMPDIR/sedXXXXXX") 2>/dev/null` && - test -n "$tmp" && test -d "$tmp" -} || -{ - tmp=$TMPDIR/sed$$-$RANDOM - (umask 077 && mkdir $tmp) -} || -{ - echo "$me: cannot create a temporary directory in $TMPDIR" >&2 - { (exit 1); exit 1; } -} - _max=0 - _count=0 - # Add /usr/xpg4/bin/sed as it is typically found on Solaris - # along with /bin/sed that truncates output. - for _sed in $_sed_list /usr/xpg4/bin/sed; do - test ! -f ${_sed} && break - cat /dev/null > "$tmp/sed.in" - _count=0 - echo ${ECHO_N-$ac_n} "0123456789${ECHO_C-$ac_c}" >"$tmp/sed.in" - # Check for GNU sed and select it if it is found. - if "${_sed}" --version 2>&1 < /dev/null | egrep '(GNU)' > /dev/null; then - lt_cv_path_SED=${_sed} - break; - fi - while true; do - cat "$tmp/sed.in" "$tmp/sed.in" >"$tmp/sed.tmp" - mv "$tmp/sed.tmp" "$tmp/sed.in" - cp "$tmp/sed.in" "$tmp/sed.nl" - echo >>"$tmp/sed.nl" - ${_sed} -e 's/a$//' < "$tmp/sed.nl" >"$tmp/sed.out" || break - cmp -s "$tmp/sed.out" "$tmp/sed.nl" || break - # 40000 chars as input seems more than enough - test $_count -gt 10 && break - _count=`expr $_count + 1` - if test $_count -gt $_max; then - _max=$_count - lt_cv_path_SED=$_sed - fi - done - done - rm -rf "$tmp" -]) -if test "X$SED" != "X"; then - lt_cv_path_SED=$SED -else - SED=$lt_cv_path_SED -fi -AC_MSG_RESULT([$SED]) -]) - dnl GNUPG_CHECK_VA_COPY() dnl Do some check on how to implement va_copy. dnl May define MUST_COPY_VA_BY_VAL. @@ -4160,3 +466,36 @@ AC_DEFUN(GNUPG_CHECK_VA_COPY, AC_MSG_RESULT($gnupg_cv_must_copy_va_byval) ]) + +# glibc21.m4 serial 2 (fileutils-4.1.3, gettext-0.10.40) +dnl Copyright (C) 2000-2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +# Test for the GNU C Library, version 2.1 or newer. +# From Bruno Haible. + +AC_DEFUN([jm_GLIBC21], + [ + AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer, + ac_cv_gnu_library_2_1, + [AC_EGREP_CPP([Lucky GNU user], + [ +#include +#ifdef __GNU_LIBRARY__ + #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2) + Lucky GNU user + #endif +#endif + ], + ac_cv_gnu_library_2_1=yes, + ac_cv_gnu_library_2_1=no) + ] + ) + AC_SUBST(GLIBC21) + GLIBC21="$ac_cv_gnu_library_2_1" + ] +) diff --git a/trunk/configure.ac b/trunk/configure.ac index 1a99236..c5d2fe6 100644 --- a/trunk/configure.ac +++ b/trunk/configure.ac @@ -157,10 +157,28 @@ if test "$ac_cv_func_vasprintf" != yes; then GNUPG_CHECK_VA_COPY 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 + +# Checking for libgpg-error. AM_PATH_GPG_ERROR(0.3,, AC_MSG_ERROR([libgpg-error was not found])) AC_DEFINE(GPG_ERR_SOURCE_DEFAULT, GPG_ERR_SOURCE_GPGME, [The default error source for GPGME.]) + + # Checks for system services NO_OVERRIDE=no AC_ARG_WITH(gpg, diff --git a/trunk/gpgme/ChangeLog b/trunk/gpgme/ChangeLog index 58669e7..bc90ace 100644 --- a/trunk/gpgme/ChangeLog +++ b/trunk/gpgme/ChangeLog @@ -1,3 +1,14 @@ +2003-09-13 Marcus Brinkmann + + * get-env.c: New file. + * util.h (_gpgme_getenv): Add prototype. + * Makefile.am (libgpgme_real_la_SOURCES): Add get-env.c. + * rungpg.c (build_argv): Use _gpgme_getenv. + * debug.c (debug_init): Likewise. + * engine-gpgsm.c (gpgsm_new): Likewise. + (gpgsm_new): Use ttyname_r. + * w32-io.c (_gpgme_io_spawn): Disable debugging for now. + 2003-09-03 Marcus Brinkmann * gpgme-config.in: Use $libdir, not @libdir@, for the echo diff --git a/trunk/gpgme/Makefile.am b/trunk/gpgme/Makefile.am index 49c17e8..00f8c4d 100644 --- a/trunk/gpgme/Makefile.am +++ b/trunk/gpgme/Makefile.am @@ -68,7 +68,7 @@ gpgsm_components = endif libgpgme_real_la_SOURCES = \ - gpgme.h util.h conversion.c context.h ops.h \ + gpgme.h util.h conversion.c get-env.c context.h ops.h \ data.h data.c data-fd.c data-stream.c data-mem.c data-user.c \ data-compat.c \ signers.c \ diff --git a/trunk/gpgme/debug.c b/trunk/gpgme/debug.c index 8fe32e6..53555be 100644 --- a/trunk/gpgme/debug.c +++ b/trunk/gpgme/debug.c @@ -84,9 +84,17 @@ debug_init (void) LOCK (debug_lock); if (!initialized) { - const char *e = getenv ("GPGME_DEBUG"); + gpgme_error_t err; + const char *e; const char *s1, *s2;; + err = _gpgme_getenv ("GPGME_DEBUG", &e); + if (err) + { + UNLOCK (debug_lock); + return; + } + initialized = 1; errfp = stderr; if (e) @@ -123,6 +131,7 @@ debug_init (void) } #endif } + free (e); } if (debug_level > 0) diff --git a/trunk/gpgme/engine-gpgsm.c b/trunk/gpgme/engine-gpgsm.c index c8f9757..4b925f1 100644 --- a/trunk/gpgme/engine-gpgsm.c +++ b/trunk/gpgme/engine-gpgsm.c @@ -302,7 +302,7 @@ gpgsm_new (void **engine) int fds[2]; int child_fds[4]; char *dft_display = NULL; - char *dft_ttyname = NULL; + char dft_ttyname[64]; char *dft_ttytype = NULL; char *old_lc = NULL; char *dft_lc = NULL; @@ -403,14 +403,19 @@ gpgsm_new (void **engine) gpgsm->status_cb.dir = 1; gpgsm->status_cb.data = gpgsm; - dft_display = getenv ("DISPLAY"); + err = _gpgme_getenv ("DISPLAY", &dft_display); + if (err) + goto leave; if (dft_display) { if (asprintf (&optstr, "OPTION display=%s", dft_display) < 0) { + free (dft_display); err = gpg_error_from_errno (errno); goto leave; } + free (dft_display); + err = assuan_transact (gpgsm->assuan_ctx, optstr, NULL, NULL, NULL, NULL, NULL, NULL); free (optstr); @@ -420,8 +425,13 @@ gpgsm_new (void **engine) goto leave; } } - dft_ttyname = ttyname (1); - if (dft_ttyname) + + if (ttyname_r (1, dft_ttyname, sizeof (dft_ttyname))) + { + err = gpg_error_from_errno (errno); + goto leave; + } + else { if (asprintf (&optstr, "OPTION ttyname=%s", dft_ttyname) < 0) { @@ -437,14 +447,19 @@ gpgsm_new (void **engine) goto leave; } - dft_ttytype = getenv ("TERM"); + err = _gpgme_getenv ("TERM", &dft_ttytype); + if (err) + goto leave; if (dft_ttytype) { if (asprintf (&optstr, "OPTION ttytype=%s", dft_ttytype) < 0) { + free (dft_ttytype); err = gpg_error_from_errno (errno); goto leave; } + free (dft_ttytype); + err = assuan_transact (gpgsm->assuan_ctx, optstr, NULL, NULL, NULL, NULL, NULL, NULL); free (optstr); diff --git a/trunk/gpgme/get-env.c b/trunk/gpgme/get-env.c new file mode 100644 index 0000000..577498f --- /dev/null +++ b/trunk/gpgme/get-env.c @@ -0,0 +1,58 @@ +/* get_env.c - A getenv() replacement. + Copyright (C) 2003 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 General Public License as published by + the Free Software Foundation; either version 2 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with GPGME; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#if HAVE_CONFIG_H +#include +#endif +#include +#include +#include + +#include "util.h" + + +#if defined(HAVE_THREAD_SAFE_GETENV) || !defined (HAVE_GETENV_R) +/* We prefer using getenv() if it is thread-safe. */ + +/* Retrieve the environment variable NAME and return a copy of it in a + malloc()'ed buffer in *VALUE. If the environment variable is not + set, return NULL in *VALUE. */ +gpgme_error_t +_gpgme_getenv (const char *name, char **value) +{ + char *env_value; + + env_value = getenv (name); + if (!env_value) + *value = NULL; + else + { + *value = strdup (env_value); + if (!*value) + return gpg_error_from_errno (errno); + } + return 0; +} + +#else + +/* FIXME: Implement this when we have the specification for it. */ +#error Use of getenv_r not implemented. + +#endif diff --git a/trunk/gpgme/rungpg.c b/trunk/gpgme/rungpg.c index 616ff3d..50223c1 100644 --- a/trunk/gpgme/rungpg.c +++ b/trunk/gpgme/rungpg.c @@ -503,6 +503,7 @@ gpg_set_command_handler (void *engine, engine_command_handler_t fnc, static gpgme_error_t build_argv (engine_gpg_t gpg) { + gpgme_error_t err; struct arg_and_data_s *a; struct fd_data_map_s *fd_data_map; size_t datac=0, argc=0; @@ -514,9 +515,13 @@ build_argv (engine_gpg_t gpg) /* We don't want to use the agent with a malformed environment variable. This is only a very basic test but sufficient to make our life in the regression tests easier. */ - p = getenv ("GPG_AGENT_INFO"); + err = _gpgme_getenv ("GPG_AGENT_INFO", &p); + if (err) + return err; use_agent = (p && strchr (p, ':')); - + if (p) + free (p); + if (gpg->argv) { free_argv (gpg->argv); diff --git a/trunk/gpgme/util.h b/trunk/gpgme/util.h index 358c290..c6abc45 100644 --- a/trunk/gpgme/util.h +++ b/trunk/gpgme/util.h @@ -72,4 +72,10 @@ gpgme_error_t _gpgme_decode_percent_string (const char *src, char **destp, gpgme_error_t _gpgme_map_gnupg_error (char *err); + +/* Retrieve the environment variable NAME and return a copy of it in a + malloc()'ed buffer in *VALUE. If the environment variable is not + set, return NULL in *VALUE. */ +gpgme_error_t _gpgme_getenv (const char *name, char **value); + #endif /* UTIL_H */ diff --git a/trunk/gpgme/w32-io.c b/trunk/gpgme/w32-io.c index d25b6e4..24082bd 100644 --- a/trunk/gpgme/w32-io.c +++ b/trunk/gpgme/w32-io.c @@ -806,7 +806,8 @@ _gpgme_io_spawn ( const char *path, char **argv, int duped_stdin = 0; int duped_stderr = 0; HANDLE hnul = INVALID_HANDLE_VALUE; - int debug_me = !!getenv ("GPGME_DEBUG"); + /* FIXME. */ + int debug_me = 0; memset (&sec_attr, 0, sizeof sec_attr ); sec_attr.nLength = sizeof sec_attr; -- 2.26.2