From 9e42c405f30d2b52d019598436ea346ef8586f43 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?No=C3=A9=20Rubinstein?= Date: Wed, 24 Aug 2016 18:55:25 +0200 Subject: [PATCH] Check that getpwent_r is available before using it This fixes building trousers with musl Signed-off-by: Noé Rubinstein --- configure.in | 4 ++++ src/tspi/ps/tspps.c | 10 +++++----- 2 files changed, 9 insertions(+), 5 deletions(-) diff --git a/configure.in b/configure.in index fd3f5f1..e3d7acf 100644 --- a/configure.in +++ b/configure.in @@ -145,6 +145,10 @@ else AC_MSG_ERROR(["gtk", "openssl" and "none" are the only supported gui options for trousers]) fi +# Look for getpwent_r. If it is not found, getpwent will be used instead, with +# an additional mutex. +AC_CHECK_FUNC(getpwent_r, [AC_DEFINE(HAVE_GETPWENT_R)]) + # # The default port that the TCS daemon listens on # diff --git a/src/tspi/ps/tspps.c b/src/tspi/ps/tspps.c index c6f9c3d..9d00d2a 100644 --- a/src/tspi/ps/tspps.c +++ b/src/tspi/ps/tspps.c @@ -45,7 +45,7 @@ static int user_ps_fd = -1; static MUTEX_DECLARE_INIT(user_ps_lock); -#if (defined (__FreeBSD__) || defined (__OpenBSD__)) +#ifndef HAVE_GETPWENT_R static MUTEX_DECLARE_INIT(user_ps_path); #endif static struct flock fl; @@ -60,7 +60,7 @@ get_user_ps_path(char **file) TSS_RESULT result; char *file_name = NULL, *home_dir = NULL; struct passwd *pwp; -#if (defined (__linux) || defined (linux) || defined(__GLIBC__)) +#ifdef HAVE_GETPWENT_R struct passwd pw; #endif struct stat stat_buf; @@ -72,7 +72,7 @@ get_user_ps_path(char **file) *file = strdup(file_name); return (*file) ? TSS_SUCCESS : TSPERR(TSS_E_OUTOFMEMORY); } -#if (defined (__FreeBSD__) || defined (__OpenBSD__)) +#ifndef HAVE_GETPWENT_R MUTEX_LOCK(user_ps_path); #endif @@ -90,7 +90,7 @@ get_user_ps_path(char **file) #else setpwent(); while (1) { -#if (defined (__linux) || defined (linux) || defined(__GLIBC__)) +#ifdef HAVE_GETPWENT_R rc = getpwent_r(&pw, buf, PASSWD_BUFSIZE, &pwp); if (rc) { LogDebugFn("USER PS: Error getting path to home directory: getpwent_r: %s", @@ -99,7 +99,7 @@ get_user_ps_path(char **file) return TSPERR(TSS_E_INTERNAL_ERROR); } -#elif (defined (__FreeBSD__) || defined (__OpenBSD__)) +#else if ((pwp = getpwent()) == NULL) { LogDebugFn("USER PS: Error getting path to home directory: getpwent: %s", strerror(rc)); -- 2.1.4