shared: in code that might get called from suid programs use __secure_getenv() rather...

[elogind.git] / src / shared / log.c

diff --git a/src/shared/log.c b/src/shared/log.c
index 1cbc9d625074f00d6f9b24e300e6145fdf2ec27e..4fc430eed11a1f783e9defeb89cf7317483def06 100644 (file)
--- a/src/shared/log.c
+++ b/src/shared/log.c
@@ -688,21 +688,21 @@ int log_set_max_level_from_string(const char *e) {
 void log_parse_environment(void) {
         const char *e;
 
-        if ((e = getenv("SYSTEMD_LOG_TARGET")))
-                if (log_set_target_from_string(e) < 0)
-                        log_warning("Failed to parse log target %s. Ignoring.", e);
+        e = __secure_getenv("SYSTEMD_LOG_TARGET");
+        if (e && log_set_target_from_string(e) < 0)
+                log_warning("Failed to parse log target %s. Ignoring.", e);
 
-        if ((e = getenv("SYSTEMD_LOG_LEVEL")))
-                if (log_set_max_level_from_string(e) < 0)
-                        log_warning("Failed to parse log level %s. Ignoring.", e);
+        e = __secure_getenv("SYSTEMD_LOG_LEVEL");
+        if (e && log_set_max_level_from_string(e) < 0)
+                log_warning("Failed to parse log level %s. Ignoring.", e);
 
-        if ((e = getenv("SYSTEMD_LOG_COLOR")))
-                if (log_show_color_from_string(e) < 0)
-                        log_warning("Failed to parse bool %s. Ignoring.", e);
+        e = __secure_getenv("SYSTEMD_LOG_COLOR");
+        if (e && log_show_color_from_string(e) < 0)
+                log_warning("Failed to parse bool %s. Ignoring.", e);
 
-        if ((e = getenv("SYSTEMD_LOG_LOCATION")))
-                if (log_show_location_from_string(e) < 0)
-                        log_warning("Failed to parse bool %s. Ignoring.", e);
+        e = __secure_getenv("SYSTEMD_LOG_LOCATION");
+        if (e && log_show_location_from_string(e) < 0)
+                log_warning("Failed to parse bool %s. Ignoring.", e);
 }
 
 LogTarget log_get_target(void) {