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Diffstat (limited to 'nis/nss_nis/nis-grp.c')
-rw-r--r--nis/nss_nis/nis-grp.c359
1 files changed, 0 insertions, 359 deletions
diff --git a/nis/nss_nis/nis-grp.c b/nis/nss_nis/nis-grp.c
deleted file mode 100644
index 74a8f82f9a..0000000000
--- a/nis/nss_nis/nis-grp.c
+++ /dev/null
@@ -1,359 +0,0 @@
-/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Thorsten Kukuk <kukuk@suse.de>, 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
- <https://www.gnu.org/licenses/>. */
-
-#include <ctype.h>
-#include <errno.h>
-#include <grp.h>
-#include <nss.h>
-#include <string.h>
-#include <libc-lock.h>
-#include <rpcsvc/yp.h>
-#include <rpcsvc/ypclnt.h>
-
-#include "nss-nis.h"
-#include <libnsl.h>
-
-/* Get the declaration of the parser function. */
-#define ENTNAME grent
-#define STRUCTURE group
-#define EXTERN_PARSER
-#include <nss/nss_files/files-parse.c>
-
-/* Protect global state against multiple changers */
-__libc_lock_define_initialized (static, lock)
-
-static bool_t new_start = 1;
-static char *oldkey;
-static int oldkeylen;
-static intern_t intern;
-
-
-static void
-internal_nis_endgrent (void)
-{
- new_start = 1;
- if (oldkey != NULL)
- {
- free (oldkey);
- oldkey = NULL;
- oldkeylen = 0;
- }
-
- struct response_t *curr = intern.start;
-
- while (curr != NULL)
- {
- struct response_t *last = curr;
- curr = curr->next;
- free (last);
- }
-
- intern.next = intern.start = NULL;
-}
-
-
-enum nss_status
-_nss_nis_endgrent (void)
-{
- __libc_lock_lock (lock);
-
- internal_nis_endgrent ();
-
- __libc_lock_unlock (lock);
-
- return NSS_STATUS_SUCCESS;
-}
-
-
-enum nss_status
-internal_nis_setgrent (void)
-{
- /* We have to read all the data now. */
- char *domain;
- if (__glibc_unlikely (yp_get_default_domain (&domain)))
- return NSS_STATUS_UNAVAIL;
-
- struct ypall_callback ypcb;
-
- ypcb.foreach = _nis_saveit;
- ypcb.data = (char *) &intern;
- enum nss_status status = yperr2nss (yp_all (domain, "group.byname", &ypcb));
-
-
- /* Mark the last buffer as full. */
- if (intern.next != NULL)
- intern.next->size = intern.offset;
-
- intern.next = intern.start;
- intern.offset = 0;
-
- return status;
-}
-
-
-enum nss_status
-_nss_nis_setgrent (int stayopen)
-{
- enum nss_status result = NSS_STATUS_SUCCESS;
-
- __libc_lock_lock (lock);
-
- internal_nis_endgrent ();
-
- if (_nsl_default_nss () & NSS_FLAG_SETENT_BATCH_READ)
- result = internal_nis_setgrent ();
-
- __libc_lock_unlock (lock);
-
- return result;
-}
-
-
-static enum nss_status
-internal_nis_getgrent_r (struct group *grp, char *buffer, size_t buflen,
- int *errnop)
-{
- /* If we read the entire database at setpwent time we just iterate
- over the data we have in memory. */
- bool batch_read = intern.start != NULL;
-
- char *domain = NULL;
- if (!batch_read && __builtin_expect (yp_get_default_domain (&domain), 0))
- return NSS_STATUS_UNAVAIL;
-
- /* Get the next entry until we found a correct one. */
- int parse_res;
- do
- {
- char *result;
- char *outkey;
- int len;
- int keylen;
-
- if (batch_read)
- {
- struct response_t *bucket;
-
- handle_batch_read:
- bucket = intern.next;
-
- if (__glibc_unlikely (intern.offset >= bucket->size))
- {
- if (bucket->next == NULL)
- return NSS_STATUS_NOTFOUND;
-
- /* We look at all the content in the current bucket. Go on
- to the next. */
- bucket = intern.next = bucket->next;
- intern.offset = 0;
- }
-
- for (result = &bucket->mem[intern.offset]; isspace (*result);
- ++result)
- ++intern.offset;
-
- len = strlen (result);
- }
- else
- {
- int yperr;
-
- if (new_start)
- {
- /* Maybe we should read the database in one piece. */
- if ((_nsl_default_nss () & NSS_FLAG_SETENT_BATCH_READ)
- && internal_nis_setgrent () == NSS_STATUS_SUCCESS
- && intern.start != NULL)
- {
- batch_read = true;
- goto handle_batch_read;
- }
-
- yperr = yp_first (domain, "group.byname", &outkey, &keylen,
- &result, &len);
- }
- else
- yperr = yp_next (domain, "group.byname", oldkey, oldkeylen,
- &outkey, &keylen, &result, &len);
-
- if (__glibc_unlikely (yperr != YPERR_SUCCESS))
- {
- enum nss_status retval = yperr2nss (yperr);
-
- if (retval == NSS_STATUS_TRYAGAIN)
- *errnop = errno;
- return retval;
- }
- }
-
- if (__glibc_unlikely ((size_t) (len + 1) > buflen))
- {
- if (!batch_read)
- free (result);
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
-
- char *p = strncpy (buffer, result, len);
- buffer[len] = '\0';
- while (isspace (*p))
- ++p;
- if (!batch_read)
- free (result);
-
- parse_res = _nss_files_parse_grent (p, grp, (void *) buffer, buflen,
- errnop);
- if (__glibc_unlikely (parse_res == -1))
- {
- if (!batch_read)
- free (outkey);
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
-
- if (batch_read)
- intern.offset += len + 1;
- else
- {
- free (oldkey);
- oldkey = outkey;
- oldkeylen = keylen;
- new_start = 0;
- }
- }
- while (parse_res < 1);
-
- return NSS_STATUS_SUCCESS;
-}
-
-enum nss_status
-_nss_nis_getgrent_r (struct group *result, char *buffer, size_t buflen,
- int *errnop)
-{
- int status;
-
- __libc_lock_lock (lock);
-
- status = internal_nis_getgrent_r (result, buffer, buflen, errnop);
-
- __libc_lock_unlock (lock);
-
- return status;
-}
-
-enum nss_status
-_nss_nis_getgrnam_r (const char *name, struct group *grp,
- char *buffer, size_t buflen, int *errnop)
-{
- if (name == NULL)
- {
- *errnop = EINVAL;
- return NSS_STATUS_UNAVAIL;
- }
-
- char *domain;
- if (__glibc_unlikely (yp_get_default_domain (&domain)))
- return NSS_STATUS_UNAVAIL;
-
- char *result;
- int len;
- int yperr = yp_match (domain, "group.byname", name, strlen (name), &result,
- &len);
-
- if (__glibc_unlikely (yperr != YPERR_SUCCESS))
- {
- enum nss_status retval = yperr2nss (yperr);
-
- if (retval == NSS_STATUS_TRYAGAIN)
- *errnop = errno;
- return retval;
- }
-
- if (__glibc_unlikely ((size_t) (len + 1) > buflen))
- {
- free (result);
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
-
- char *p = strncpy (buffer, result, len);
- buffer[len] = '\0';
- while (isspace (*p))
- ++p;
- free (result);
-
- int parse_res = _nss_files_parse_grent (p, grp, (void *) buffer, buflen,
- errnop);
- if (__builtin_expect (parse_res < 1, 0))
- {
- if (parse_res == -1)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
- }
- return NSS_STATUS_SUCCESS;
-}
-
-enum nss_status
-_nss_nis_getgrgid_r (gid_t gid, struct group *grp,
- char *buffer, size_t buflen, int *errnop)
-{
- char *domain;
- if (__glibc_unlikely (yp_get_default_domain (&domain)))
- return NSS_STATUS_UNAVAIL;
-
- char buf[32];
- int nlen = sprintf (buf, "%lu", (unsigned long int) gid);
-
- char *result;
- int len;
- int yperr = yp_match (domain, "group.bygid", buf, nlen, &result, &len);
-
- if (__glibc_unlikely (yperr != YPERR_SUCCESS))
- {
- enum nss_status retval = yperr2nss (yperr);
-
- if (retval == NSS_STATUS_TRYAGAIN)
- *errnop = errno;
- return retval;
- }
-
- if (__glibc_unlikely ((size_t) (len + 1) > buflen))
- {
- free (result);
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
-
- char *p = strncpy (buffer, result, len);
- buffer[len] = '\0';
- while (isspace (*p))
- ++p;
- free (result);
-
- int parse_res = _nss_files_parse_grent (p, grp, (void *) buffer, buflen,
- errnop);
- if (__glibc_unlikely (parse_res < 1))
- {
- if (parse_res == -1)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
- }
- return NSS_STATUS_SUCCESS;
-}
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