2005-02-03 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>

	* milter-greylist.c: change gid and supplementary groups also


--- milter-greylist-1.6/milter-greylist.c.group	2004-11-27 15:43:17.000000000 +0100
+++ milter-greylist-1.6/milter-greylist.c	2005-02-03 10:43:26.349877397 +0100
@@ -48,6 +48,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <pwd.h>
+#include <grp.h>
 #include <unistd.h>
 
 /* On IRIX, <unistd.h> defines a EX_OK that clashes with <sysexits.h> */
@@ -866,6 +867,19 @@
 			exit(EX_OSERR);
 		}
 
+		if (initgroups(conf.c_user, pw->pw_gid) != 0) {
+		        syslog(LOG_ERR, "%s: can not change supplementary groups: %s\n",
+			       argv[0], strerror(errno));
+			exit(EX_OSERR);
+		}
+
+		if (setgid(pw->pw_gid) != 0 ||
+		    setegid(pw->pw_gid) != 0) {
+			syslog(LOG_ERR, "%s: cannot change GID: %s\n",
+			    argv[0], strerror(errno));
+			exit(EX_OSERR);
+		}
+
 		if ((setuid(pw->pw_uid) != 0) ||
 		    (seteuid(pw->pw_uid) != 0)) {
 			syslog(LOG_ERR, "%s: cannot change UID: %s\n",