[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/nis/nis_ismember.c b/ap/libc/glibc/glibc-2.22/nis/nis_ismember.c
new file mode 100644
index 0000000..b230293
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/nis/nis_ismember.c
@@ -0,0 +1,148 @@
+/* Copyright (c) 1997-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <string.h>
+#include <rpcsvc/nis.h>
+
+/* internal_nis_ismember ()
+ return codes: -1 principal is in -group
+ 0 principal isn't in any group
+ 1 pirncipal is in group */
+static int
+internal_ismember (const_nis_name principal, const_nis_name group)
+{
+ size_t grouplen = strlen (group);
+ char buf[grouplen + 50];
+ char leafbuf[grouplen + 2];
+ char domainbuf[grouplen + 2];
+ nis_result *res;
+ char *cp, *cp2;
+ u_int i;
+
+ cp = stpcpy (buf, nis_leaf_of_r (group, leafbuf, sizeof (leafbuf) - 1));
+ cp = stpcpy (cp, ".groups_dir");
+ cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1);
+ if (cp2 != NULL && cp2[0] != '\0')
+ {
+ *cp++ = '.';
+ strcpy (cp, cp2);
+ }
+
+ res = nis_lookup (buf, EXPAND_NAME|FOLLOW_LINKS);
+ if (res == NULL || NIS_RES_STATUS (res) != NIS_SUCCESS)
+ {
+ nis_freeresult (res);
+ return 0;
+ }
+
+ if ((NIS_RES_NUMOBJ (res) != 1) ||
+ (__type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ))
+ {
+ nis_freeresult (res);
+ return 0;
+ }
+
+ /* We search twice in the list, at first, if we have the name
+ with a "-", then if without. "-member" has priority */
+ for (i = 0; i < NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len; ++i)
+ {
+ cp = NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val[i];
+ if (cp[0] == '-')
+ {
+ if (strcmp (&cp[1], principal) == 0)
+ {
+ nis_freeresult (res);
+ return -1;
+ }
+ if (cp[1] == '@')
+ switch (internal_ismember (principal, &cp[2]))
+ {
+ case -1:
+ nis_freeresult (res);
+ return -1;
+ case 1:
+ nis_freeresult (res);
+ return 1;
+ default:
+ break;
+ }
+ else
+ if (cp[1] == '*')
+ {
+ char buf1[strlen (principal) + 2];
+ char buf2[strlen (cp) + 2];
+
+ if (strcmp (nis_domain_of_r (principal, buf1, sizeof buf1),
+ nis_domain_of_r (cp, buf2, sizeof buf2)) == 0)
+ {
+ nis_freeresult (res);
+ return -1;
+ }
+ }
+ }
+ }
+
+ for (i = 0; i < NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len; ++i)
+ {
+ cp = NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val[i];
+ if (cp[0] != '-')
+ {
+ if (strcmp (cp, principal) == 0)
+ {
+ nis_freeresult (res);
+ return 1;
+ }
+ if (cp[0] == '@')
+ switch (internal_ismember (principal, &cp[1]))
+ {
+ case -1:
+ nis_freeresult (res);
+ return -1;
+ case 1:
+ nis_freeresult (res);
+ return 1;
+ default:
+ break;
+ }
+ else
+ if (cp[0] == '*')
+ {
+ char buf1[strlen (principal) + 2];
+ char buf2[strlen (cp) + 2];
+
+ if (strcmp (nis_domain_of_r (principal, buf1, sizeof buf1),
+ nis_domain_of_r (cp, buf2, sizeof buf2)) == 0)
+ {
+ nis_freeresult (res);
+ return 1;
+ }
+ }
+ }
+ }
+ nis_freeresult (res);
+ return 0;
+}
+
+bool_t
+nis_ismember (const_nis_name principal, const_nis_name group)
+{
+ if (group != NULL && group[0] != '\0' && principal != NULL)
+ return internal_ismember (principal, group) == 1 ? TRUE : FALSE;
+ else
+ return FALSE;
+}