Import of OpenSSH 4.9p1

[gssapi-openssh.git] / openssh / openbsd-compat / port-aix.c

diff --git a/openssh/openbsd-compat/port-aix.c b/openssh/openbsd-compat/port-aix.c
index 94faec6703571de07fa2f558872791f199eae295..5b1cb73874dd51d38906d2ea848b0bf76ee3dedc 100644 (file)
--- a/openssh/openbsd-compat/port-aix.c
+++ b/openssh/openbsd-compat/port-aix.c
@@ -1,7 +1,7 @@
 /*
  *
  * Copyright (c) 2001 Gert Doering.  All rights reserved.
- * Copyright (c) 2003,2004,2005 Darren Tucker.  All rights reserved.
+ * Copyright (c) 2003,2004,2005,2006 Darren Tucker.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -394,4 +394,47 @@ sshaix_getnameinfo(const struct sockaddr *sa, size_t salen, char *host,
 }
 # endif /* AIX_GETNAMEINFO_HACK */
 
+# if defined(USE_GETGRSET)
+#  include <stdlib.h>
+int
+getgrouplist(const char *user, gid_t pgid, gid_t *groups, int *grpcnt)
+{
+       char *cp, *grplist, *grp;
+       gid_t gid;
+       int ret = 0, ngroups = 0, maxgroups;
+       long l;
+
+       maxgroups = *grpcnt;
+
+       if ((cp = grplist = getgrset(user)) == NULL)
+               return -1;
+
+       /* handle zero-length case */
+       if (maxgroups <= 0) {
+               *grpcnt = 0;
+               return -1;
+       }
+
+       /* copy primary group */
+       groups[ngroups++] = pgid;
+
+       /* copy each entry from getgrset into group list */
+       while ((grp = strsep(&grplist, ",")) != NULL) {
+               l = strtol(grp, NULL, 10);
+               if (ngroups >= maxgroups || l == LONG_MIN || l == LONG_MAX) {
+                       ret = -1;
+                       goto out;
+               }
+               gid = (gid_t)l;
+               if (gid == pgid)
+                       continue;       /* we have already added primary gid */
+               groups[ngroups++] = gid;
+       }
+out:
+       free(cp);
+       *grpcnt = ngroups;
+       return ret;
+}
+# endif        /* USE_GETGRSET */
+
 #endif /* _AIX */