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Diffstat (limited to 'REORG.TODO/nss/nss_db/db-netgrp.c')
-rw-r--r--REORG.TODO/nss/nss_db/db-netgrp.c122
1 files changed, 122 insertions, 0 deletions
diff --git a/REORG.TODO/nss/nss_db/db-netgrp.c b/REORG.TODO/nss/nss_db/db-netgrp.c
new file mode 100644
index 0000000000..25530cc206
--- /dev/null
+++ b/REORG.TODO/nss/nss_db/db-netgrp.c
@@ -0,0 +1,122 @@
+/* Netgroup file parser in nss_db modules.
+   Copyright (C) 1996-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+   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 <ctype.h>
+#include <dlfcn.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <netgroup.h>
+#include <string.h>
+#include <stdint.h>
+#include <libc-lock.h>
+#include <paths.h>
+#include <stdlib.h>
+
+#include "nsswitch.h"
+#include "nss_db.h"
+
+/* The hashing function we use.  */
+#include "../intl/hash-string.h"
+
+
+#define DBFILE		_PATH_VARDB "netgroup.db"
+
+/* Maintenance of the shared handle open on the database.  */
+enum nss_status
+_nss_db_setnetgrent (const char *group, struct __netgrent *result)
+{
+  struct nss_db_map state;
+  enum nss_status status = internal_setent (DBFILE, &state);
+
+  if (status == NSS_STATUS_SUCCESS)
+    {
+      const struct nss_db_header *header = state.header;
+      const stridx_t *hashtable
+	= (const stridx_t *) ((const char *) header
+			      + header->dbs[0].hashoffset);
+      const char *valstrtab = (const char *) header + header->valstroffset;
+      uint32_t hashval = __hash_string (group);
+      size_t grouplen = strlen (group);
+      size_t hidx = hashval % header->dbs[0].hashsize;
+      size_t hval2 = 1 + hashval % (header->dbs[0].hashsize - 2);
+
+      status = NSS_STATUS_NOTFOUND;
+      while (hashtable[hidx] != ~((stridx_t) 0))
+	{
+	  const char *valstr = valstrtab + hashtable[hidx];
+
+	  if (strncmp (valstr, group, grouplen) == 0
+	      && isblank (valstr[grouplen]))
+	    {
+	      const char *cp = &valstr[grouplen + 1];
+	      while (isblank (*cp))
+		++cp;
+	      if (*cp != '\0')
+		{
+		  result->data = strdup (cp);
+		  if (result->data == NULL)
+		    status = NSS_STATUS_TRYAGAIN;
+		  else
+		    {
+		      status = NSS_STATUS_SUCCESS;
+		      result->cursor = result->data;
+		    }
+		  break;
+		}
+	    }
+
+	  if ((hidx += hval2) >= header->dbs[0].hashsize)
+	    hidx -= header->dbs[0].hashsize;
+	}
+
+      internal_endent (&state);
+    }
+
+  return status;
+
+}
+
+
+enum nss_status
+_nss_db_endnetgrent (struct __netgrent *result)
+{
+  free (result->data);
+  result->data = NULL;
+  result->data_size = 0;
+  result->cursor = NULL;
+  return NSS_STATUS_SUCCESS;
+}
+
+
+extern enum nss_status _nss_netgroup_parseline (char **cursor,
+						struct __netgrent *result,
+						char *buffer, size_t buflen,
+						int *errnop);
+
+enum nss_status
+_nss_db_getnetgrent_r (struct __netgrent *result, char *buffer, size_t buflen,
+		       int *errnop)
+{
+  enum nss_status status;
+
+  status = _nss_netgroup_parseline (&result->cursor, result, buffer, buflen,
+				    errnop);
+
+  return status;
+}