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Diffstat (limited to 'glibc-compat/nss_files/files-netgrp.c')
-rw-r--r--glibc-compat/nss_files/files-netgrp.c268
1 files changed, 0 insertions, 268 deletions
diff --git a/glibc-compat/nss_files/files-netgrp.c b/glibc-compat/nss_files/files-netgrp.c
deleted file mode 100644
index 8820e6a02c..0000000000
--- a/glibc-compat/nss_files/files-netgrp.c
+++ /dev/null
@@ -1,268 +0,0 @@
-/* Netgroup file parser in nss_files modules.
- Copyright (C) 1996, 1997 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#include <ctype.h>
-#include <errno.h>
-#include <glibc-compat/include/netdb.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "nsswitch.h"
-#include "netgroup.h"
-
-#define DATAFILE "/etc/netgroup"
-
-
-#define EXPAND(needed) \
- do \
- { \
- size_t old_cursor = result->cursor - result->data; \
- \
- result->data_size += 512 > 2 * needed ? 512 : 2 * needed; \
- result->data = realloc (result->data, result->data_size); \
- \
- if (result->data == NULL) \
- { \
- status = NSS_STATUS_UNAVAIL; \
- goto the_end; \
- } \
- \
- result->cursor = result->data + old_cursor; \
- } \
- while (0)
-
-
-enum nss_status
-_nss_files_setnetgrent (const char *group, struct __netgrent *result)
-{
- FILE *fp;
- enum nss_status status;
-
- if (group[0] == '\0')
- return NSS_STATUS_UNAVAIL;
-
- /* Find the netgroups file and open it. */
- fp = fopen (DATAFILE, "r");
- if (fp == NULL)
- status = errno == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
- else
- {
- /* Read the file line by line and try to find the description
- GROUP. We must take care for long lines. */
- char *line = NULL;
- size_t line_len = 0;
- const ssize_t group_len = strlen (group);
-
- status = NSS_STATUS_NOTFOUND;
- result->cursor = result->data;
-
- while (!feof (fp))
- {
- ssize_t curlen = getline (&line, &line_len, fp);
- int found;
-
- if (curlen < 0)
- {
- status = NSS_STATUS_NOTFOUND;
- break;
- }
-
- found = (curlen > group_len && strncmp (line, group, group_len) == 0
- && isspace (line[group_len]));
-
- /* Read the whole line (including continuation) and store it
- if FOUND in nonzero. Otherwise we don't need it. */
- if (found)
- {
- /* Store the data from the first line. */
- EXPAND (curlen - group_len);
- memcpy (result->cursor, &line[group_len + 1],
- curlen - group_len);
- result->cursor += (curlen - group_len) - 1;
- }
-
- while (line[curlen - 1] == '\n' && line[curlen - 2] == '\\')
- {
- /* Yes, we have a continuation line. */
- if (found)
- /* Remove these characters from the stored line. */
- result->cursor -= 2;
-
- /* Get next line. */
- curlen = getline (&line, &line_len, fp);
- if (curlen <= 0)
- break;
-
- if (found)
- {
- /* Make sure we have enough room. */
- EXPAND (1 + curlen + 1);
-
- /* Add separator in case next line starts immediately. */
- *result->cursor++ = ' ';
-
- /* Copy new line. */
- memcpy (result->cursor, line, curlen + 1);
- result->cursor += curlen;
- }
- }
-
- if (found)
- {
- /* Now we have read the line. */
- status = NSS_STATUS_SUCCESS;
- result->cursor = result->data;
- result->first = 1;
- break;
- }
- }
-
- the_end:
- /* We don't need the file and the line buffer anymore. */
- free (line);
- fclose (fp);
- }
-
- return status;
-}
-
-
-int
-_nss_files_endnetgrent (struct __netgrent *result)
-{
- /* Free allocated memory for data if some is present. */
- if (result->data != NULL)
- {
- free (result->data);
- result->data = NULL;
- result->data_size = 0;
- result->cursor = NULL;
- }
-
- return NSS_STATUS_SUCCESS;
-}
-
-
-enum nss_status
-_nss_netgroup_parseline (char **cursor, struct __netgrent *result,
- char *buffer, int buflen)
-{
- enum nss_status status;
- const char *host, *user, *domain;
- char *cp = *cursor;
-
- /* Some sanity checks. */
- if (cp == NULL)
- return NSS_STATUS_NOTFOUND;
-
- /* First skip leading spaces. */
- while (isspace (*cp))
- ++cp;
-
- if (*cp != '(')
- {
- /* We have a list of other netgroups. */
- char *name = cp;
-
- while (*cp != '\0' && ! isspace (*cp))
- ++cp;
-
- if (name != cp)
- {
- /* It is another netgroup name. */
- int last = *cp == '\0';
-
- result->type = group_val;
- result->val.group = name;
- *cp = '\0';
- if (! last)
- ++cp;
- *cursor = cp;
- result->first = 0;
-
- return NSS_STATUS_SUCCESS;
- }
-
- return result->first ? NSS_STATUS_NOTFOUND : NSS_STATUS_RETURN;
- }
-
- /* Match host name. */
- host = ++cp;
- while (*cp != ',')
- if (*cp++ == '\0')
- return result->first ? NSS_STATUS_NOTFOUND : NSS_STATUS_RETURN;
-
- /* Match user name. */
- user = ++cp;
- while (*cp != ',')
- if (*cp++ == '\0')
- return result->first ? NSS_STATUS_NOTFOUND : NSS_STATUS_RETURN;
-
- /* Match domain name. */
- domain = ++cp;
- while (*cp != ')')
- if (*cp++ == '\0')
- return result->first ? NSS_STATUS_NOTFOUND : NSS_STATUS_RETURN;
- ++cp;
-
-
- /* When we got here we have found an entry. Before we can copy it
- to the private buffer we have to make sure it is big enough. */
- if (cp - host > buflen)
- {
- __set_errno (ERANGE);
- status = NSS_STATUS_UNAVAIL;
- }
- else
- {
- memcpy (buffer, host, cp - host);
- result->type = triple_val;
-
- buffer[(user - host) - 1] = '\0';
- result->val.triple.host = *host == ',' ? NULL : buffer;
-
- buffer[(domain - host) - 1] = '\0';
- result->val.triple.user = *user == ',' ? NULL : buffer + (user - host);
-
- buffer[(cp - host) - 1] = '\0';
- result->val.triple.domain =
- *domain == ')' ? NULL : buffer + (domain - host);
-
- status = NSS_STATUS_SUCCESS;
-
- /* Remember where we stopped reading. */
- *cursor = cp;
-
- result->first = 0;
- }
-
- return status;
-}
-
-
-enum nss_status
-_nss_files_getnetgrent_r (struct __netgrent *result, char *buffer, int buflen)
-{
- enum nss_status status;
-
- status = _nss_netgroup_parseline (&result->cursor, result, buffer, buflen);
-
- return status;
-}
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