37ad91db54
The trousers code uses getpwent_r, which is not available in musl. Detect the availability of getpwent_r in the trousers build system, and use it conditionally. This broke the build of tpm-tools because linking with libtspi.so failed. Fixes: http://autobuild.buildroot.net/results/830fc20c68a0653afa5567edffc2ededc4e45cc6 Runtime-tested by running tpm_version in a chroot and verifying that it creates a "user.data" file with both the Buildroot-provided CodeSourcery and Musl toolchains on x86_64. Signed-off-by: Noé Rubinstein <nrubinstein@aldebaran.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
81 lines
2.4 KiB
Diff
81 lines
2.4 KiB
Diff
From 9e42c405f30d2b52d019598436ea346ef8586f43 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?No=C3=A9=20Rubinstein?= <nrubinstein@aldebaran.com>
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Date: Wed, 24 Aug 2016 18:55:25 +0200
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Subject: [PATCH] Check that getpwent_r is available before using it
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This fixes building trousers with musl
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Signed-off-by: Noé Rubinstein <nrubinstein@aldebaran.com>
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---
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configure.in | 4 ++++
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src/tspi/ps/tspps.c | 10 +++++-----
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2 files changed, 9 insertions(+), 5 deletions(-)
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diff --git a/configure.in b/configure.in
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index fd3f5f1..e3d7acf 100644
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--- a/configure.in
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+++ b/configure.in
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@@ -145,6 +145,10 @@ else
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AC_MSG_ERROR(["gtk", "openssl" and "none" are the only supported gui options for trousers])
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fi
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+# Look for getpwent_r. If it is not found, getpwent will be used instead, with
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+# an additional mutex.
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+AC_CHECK_FUNC(getpwent_r, [AC_DEFINE(HAVE_GETPWENT_R)])
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+
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#
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# The default port that the TCS daemon listens on
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#
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diff --git a/src/tspi/ps/tspps.c b/src/tspi/ps/tspps.c
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index c6f9c3d..9d00d2a 100644
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--- a/src/tspi/ps/tspps.c
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+++ b/src/tspi/ps/tspps.c
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@@ -45,7 +45,7 @@
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static int user_ps_fd = -1;
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static MUTEX_DECLARE_INIT(user_ps_lock);
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-#if (defined (__FreeBSD__) || defined (__OpenBSD__))
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+#ifndef HAVE_GETPWENT_R
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static MUTEX_DECLARE_INIT(user_ps_path);
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#endif
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static struct flock fl;
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@@ -60,7 +60,7 @@ get_user_ps_path(char **file)
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TSS_RESULT result;
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char *file_name = NULL, *home_dir = NULL;
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struct passwd *pwp;
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-#if (defined (__linux) || defined (linux) || defined(__GLIBC__))
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+#ifdef HAVE_GETPWENT_R
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struct passwd pw;
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#endif
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struct stat stat_buf;
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@@ -72,7 +72,7 @@ get_user_ps_path(char **file)
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*file = strdup(file_name);
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return (*file) ? TSS_SUCCESS : TSPERR(TSS_E_OUTOFMEMORY);
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}
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-#if (defined (__FreeBSD__) || defined (__OpenBSD__))
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+#ifndef HAVE_GETPWENT_R
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MUTEX_LOCK(user_ps_path);
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#endif
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@@ -90,7 +90,7 @@ get_user_ps_path(char **file)
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#else
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setpwent();
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while (1) {
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-#if (defined (__linux) || defined (linux) || defined(__GLIBC__))
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+#ifdef HAVE_GETPWENT_R
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rc = getpwent_r(&pw, buf, PASSWD_BUFSIZE, &pwp);
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if (rc) {
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LogDebugFn("USER PS: Error getting path to home directory: getpwent_r: %s",
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@@ -99,7 +99,7 @@ get_user_ps_path(char **file)
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return TSPERR(TSS_E_INTERNAL_ERROR);
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}
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-#elif (defined (__FreeBSD__) || defined (__OpenBSD__))
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+#else
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if ((pwp = getpwent()) == NULL) {
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LogDebugFn("USER PS: Error getting path to home directory: getpwent: %s",
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strerror(rc));
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--
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2.1.4
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