X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=support%2Fnfs%2Frpc_socket.c;h=7896cd22678bde2927a3470567973466715150fc;hp=0e20824cb614e4a23e69799a05a52adbdce6b58b;hb=HEAD;hpb=f0d3a4bedccca7cce48296757bc1c8bd59b80828

diff --git a/support/nfs/rpc_socket.c b/support/nfs/rpc_socket.c
index 0e20824..7896cd2 100644
--- a/support/nfs/rpc_socket.c
+++ b/support/nfs/rpc_socket.c
@@ -15,8 +15,8 @@
  *
  * You should have received a copy of the GNU General Public
  * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
  *
  */
 
@@ -557,3 +557,24 @@ rpcprog_t nfs_getrpcbyname(const rpcprog_t program, const char *table[])
 
 	return program;
 }
+
+/*
+ * AUTH_SYS doesn't allow more than 16 gids in the supplemental group list.
+ * If there are more than that, trying to determine which ones to include
+ * in the list is problematic. This function creates an auth handle that
+ * only has the primary gid in the supplemental gids list. It's intended to
+ * be used for protocols where credentials really don't matter much (the MNT
+ * protocol, for instance).
+ */
+AUTH *
+nfs_authsys_create(void)
+{
+	char machname[MAXHOSTNAMELEN + 1];
+	uid_t	uid = geteuid();
+	gid_t	gid = getegid();
+
+	if (gethostname(machname, sizeof(machname)) == -1)
+		return NULL;
+
+	return authunix_create(machname, uid, gid, 1, &gid);
+}