[gpsd-dev] [PATCH 2/4] Drop also supplementary groups when dropping privileges.

[Miroslav Lichvar]

---
 gpsd.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gpsd.c b/gpsd.c
index c77f684..76d1850 100644
--- a/gpsd.c
+++ b/gpsd.c
@@ -2059,6 +2059,10 @@ int main(int argc, char *argv[])
         * of any compromises in the code.  It requires that all GPS
         * devices have their group read/write permissions set.
         */
+       if (setgroups(0, NULL) != 0)
+           gpsd_report(context.debug, LOG_ERROR,
+                       "setgroups() failed, errno %s\n",
+                       strerror(errno));
        /address@hidden@*/
 #ifdef GPSD_GROUP
        {
-- 
1.8.3.1