Merge branch 'no-hard-coded-tmpdir' into 'main'

build: Don't use build-time TMPDIR, TEMP, TMP as socket directory

Closes #551

See merge request dbus/dbus!522

CMakeLists.txt

@@ -562,24 +562,10 @@ if(MSVC_IDE)
     file(REMOVE ${PROJECT_BINARY_DIR}/data/dbus-1/services)
 endif()
 
-#### Find socket directories
+if(UNIX AND NOT DBUS_SESSION_SOCKET_DIR)
-set(DBUS_SESSION_SOCKET_DIR "" CACHE STRING "Default directory for session socket")
+    set(DBUS_SESSION_SOCKET_DIR /tmp)
-if(UNIX)
-    if (CMAKE_CROSSCOMPILING)
-        if (NOT DBUS_SESSION_SOCKET_DIR)
-            message(FATAL_ERROR "cannot autodetect session socket directory "
-                    "when crosscompiling, pass -DDBUS_SESSION_SOCKET_DIR=...")
-        endif()
-    elseif(NOT $ENV{TMPDIR} STREQUAL "")
-        set(DBUS_SESSION_SOCKET_DIR $ENV{TMPDIR})
-    elseif(NOT $ENV{TEMP} STREQUAL "")
-        set(DBUS_SESSION_SOCKET_DIR $ENV{TEMP})
-    elseif(NOT $ENV{TMP} STREQUAL "")
-        set(DBUS_SESSION_SOCKET_DIR $ENV{TMP})
-    else()
-        set(DBUS_SESSION_SOCKET_DIR /tmp)
-    endif()
 endif()
+set(DBUS_SESSION_SOCKET_DIR "${DBUS_SESSION_SOCKET_DIR}" CACHE STRING "Default directory for session socket on Unix")
 
  # Not used on Windows, where there is no system bus
 set(DBUS_SYSTEM_PID_FILE ${DBUS_RUNSTATEDIR}/dbus/pid)

cmake/config.h.cmake

@@ -32,7 +32,6 @@
 #cmakedefine DBUS_PREFIX "@DBUS_PREFIX@"
 #cmakedefine DBUS_SYSTEM_CONFIG_FILE  "@DBUS_SYSTEM_CONFIG_FILE@"
 #cmakedefine DBUS_SESSION_CONFIG_FILE "@DBUS_SESSION_CONFIG_FILE@"
-#cmakedefine DBUS_SESSION_SOCKET_DIR "@DBUS_SESSION_SOCKET_DIR@"
 #cmakedefine DBUS_DAEMON_NAME "@DBUS_DAEMON_NAME@"
 #cmakedefine DBUS_SYSTEM_BUS_DEFAULT_ADDRESS  "@DBUS_SYSTEM_BUS_DEFAULT_ADDRESS@"
 #cmakedefine DBUS_SESSION_BUS_CONNECT_ADDRESS  "@DBUS_SESSION_BUS_CONNECT_ADDRESS@"
@@ -227,8 +226,6 @@
 #cmakedefine DBUS_USER "@DBUS_USER@"
 #cmakedefine DBUS_TEST_USER "@DBUS_TEST_USER@"
 #cmakedefine DBUS_TEST_EXEC "@DBUS_TEST_EXEC@"
-/* Where to put test sockets */
-#define DBUS_TEST_SOCKET_DIR "@TEST_SOCKET_DIR@"
 
 // system type defines
 #if defined(_WIN32) || defined(_WIN64) || defined (_WIN32_WCE)
@@ -244,6 +241,12 @@
 # define DBUS_UNIX
 #endif
 
+#ifdef DBUS_UNIX
+#cmakedefine DBUS_SESSION_SOCKET_DIR "@DBUS_SESSION_SOCKET_DIR@"
+/* Where to put test sockets */
+#define DBUS_TEST_SOCKET_DIR "@TEST_SOCKET_DIR@"
+#endif
+
 #if defined(_WIN32) || defined(_WIN64)
 // mingw mode_t
 # ifdef HAVE_STDIO_H

meson.build

@@ -1070,29 +1070,29 @@ endif
 data_config.set('SYSCONFDIR_FROM_PKGDATADIR', sysconfdir_from_pkgdatadir)
 data_config.set('DATADIR_FROM_PKGSYSCONFDIR', datadir_from_pkgsysconfdir)
 
-#### Find socket directories
+if platform_unix
-values = run_command(python, '-c',
+    session_socket_dir = get_option('session_socket_dir')
-    'import os; [print(os.getenv(e, "")) for e in ["TMPDIR", "TEMP", "TMP"]]',
-    check: true,
-).stdout()
-values += '/tmp'
-default_socket_dir = values.strip().split('\n')[0]
 
-test_socket_dir = get_option('test_socket_dir')
+    if session_socket_dir == ''
-if test_socket_dir == ''
+        session_socket_dir = '/tmp'
-    test_socket_dir = default_socket_dir
+    endif
+
+    config.set_quoted('DBUS_SESSION_SOCKET_DIR', session_socket_dir)
+
+    test_socket_dir = get_option('test_socket_dir')
+
+    if test_socket_dir == ''
+        test_socket_dir = session_socket_dir
+    endif
+
+    config.set_quoted('DBUS_TEST_SOCKET_DIR', test_socket_dir)
+    test_listen = 'unix:tmpdir=' + test_socket_dir
+else
+    test_listen = 'tcp:host=localhost'
 endif
-test_listen = platform_unix ? 'unix:tmpdir=' + test_socket_dir : 'tcp:host=localhost'
 config.set_quoted('TEST_LISTEN', test_listen)
-config.set_quoted('DBUS_TEST_SOCKET_DIR', test_socket_dir)
 data_config.set('TEST_LISTEN', test_listen)
 
-session_socket_dir = get_option('session_socket_dir')
-if session_socket_dir == ''
-    session_socket_dir = default_socket_dir
-endif
-config.set_quoted('DBUS_SESSION_SOCKET_DIR', session_socket_dir)
-
 # This must be a listening address. It doesn't necessarily need to be an
 # address you can connect to - it can be something vague like
 # "nonce-tcp:".
@@ -1395,9 +1395,14 @@ summary_dict += {
     'System bus user':          dbus_user,
     'Session bus services dir':
         get_option('prefix') / get_option('datadir') / 'dbus-1' / 'services',
-    'Tests socket dir':         test_socket_dir,
 }
 
+if platform_unix
+    summary_dict += {
+        'Tests socket dir': test_socket_dir,
+    }
+endif
+
 if host_os.contains('solaris')
   summary_dict += {
       'Console owner file': console_owner_file,

meson_options.txt

@@ -247,7 +247,7 @@ option(
 option(
   'test_socket_dir',
   type: 'string',
-  description: 'Where to put sockets for make check'
+  description: 'Where to put sockets for automated tests'
 )
 
 option(