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-rw-r--r--sunrpc/auth_unix.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/sunrpc/auth_unix.c b/sunrpc/auth_unix.c
index 92703fbbc1..9062e796b9 100644
--- a/sunrpc/auth_unix.c
+++ b/sunrpc/auth_unix.c
@@ -43,7 +43,10 @@ static char sccsid[] = "@(#)auth_unix.c 1.19 87/08/11 Copyr 1984 Sun Micro";
*
*/
+#include <limits.h>
#include <stdio.h>
+#include <unistd.h>
+#include <sys/params.h>
#include <rpc/types.h>
#include <rpc/xdr.h>
@@ -171,16 +174,21 @@ authunix_create_default()
char machname[MAX_MACHINE_NAME + 1];
register int uid;
register int gid;
- int gids[NGRPS];
+ int max_nr_groups = sysconf (_SC_NGROUP_MAX);
+ gid_t gids[max_nr_groups];
if (gethostname(machname, MAX_MACHINE_NAME) == -1)
abort();
machname[MAX_MACHINE_NAME] = 0;
uid = geteuid();
gid = getegid();
- if ((len = getgroups(NGRPS, gids)) < 0)
+
+ if ((len = getgroups(max_nr_groups, gids)) < 0)
abort();
- return (authunix_create(machname, uid, gid, len, gids));
+ /* This braindamaged Sun code forces us here to truncate the
+ list of groups to NGRPS members since the code in
+ authuxprot.c transforms a fixed array. Grrr. */
+ return (authunix_create(machname, uid, gid, MIN (NGRPS, len), gids));
}
/*