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Diffstat (limited to 'nis/nss_nisplus/nisplus-pwd.c')
-rw-r--r--nis/nss_nisplus/nisplus-pwd.c408
1 files changed, 0 insertions, 408 deletions
diff --git a/nis/nss_nisplus/nisplus-pwd.c b/nis/nss_nisplus/nisplus-pwd.c
deleted file mode 100644
index b1834609a8..0000000000
--- a/nis/nss_nisplus/nisplus-pwd.c
+++ /dev/null
@@ -1,408 +0,0 @@
-/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.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
- <https://www.gnu.org/licenses/>. */
-
-#include <atomic.h>
-#include <nss.h>
-#include <errno.h>
-#include <pwd.h>
-#include <string.h>
-#include <libc-lock.h>
-#include <rpcsvc/nis.h>
-
-#include "nss-nisplus.h"
-#include "nisplus-parser.h"
-#include <libnsl.h>
-#include <nis_intern.h>
-#include <nis_xdr.h>
-
-
-__libc_lock_define_initialized (static, lock)
-
-/* Connection information. */
-static ib_request *ibreq;
-static directory_obj *dir;
-static dir_binding bptr;
-static char *tablepath;
-static char *tableptr;
-/* Cursor. */
-static netobj cursor;
-
-
-nis_name pwd_tablename_val attribute_hidden;
-size_t pwd_tablename_len attribute_hidden;
-
-enum nss_status
-_nss_pwd_create_tablename (int *errnop)
-{
- if (pwd_tablename_val == NULL)
- {
- const char *local_dir = nis_local_directory ();
- size_t local_dir_len = strlen (local_dir);
- static const char prefix[] = "passwd.org_dir.";
-
- char *p = malloc (sizeof (prefix) + local_dir_len);
- if (p == NULL)
- {
- *errnop = errno;
- return NSS_STATUS_TRYAGAIN;
- }
-
- memcpy (__stpcpy (p, prefix), local_dir, local_dir_len + 1);
-
- pwd_tablename_len = sizeof (prefix) - 1 + local_dir_len;
-
- atomic_write_barrier ();
-
- if (atomic_compare_and_exchange_bool_acq (&pwd_tablename_val, p, NULL))
- {
- /* Another thread already installed the value. */
- free (p);
- pwd_tablename_len = strlen (pwd_tablename_val);
- }
- }
-
- return NSS_STATUS_SUCCESS;
-}
-
-
-static void
-internal_nisplus_endpwent (void)
-{
- __nisbind_destroy (&bptr);
- memset (&bptr, '\0', sizeof (bptr));
-
- nis_free_directory (dir);
- dir = NULL;
-
- nis_free_request (ibreq);
- ibreq = NULL;
-
- xdr_free ((xdrproc_t) xdr_netobj, (char *) &cursor);
- memset (&cursor, '\0', sizeof (cursor));
-
- free (tablepath);
- tableptr = tablepath = NULL;
-}
-
-
-static enum nss_status
-internal_nisplus_setpwent (int *errnop)
-{
- enum nss_status status = NSS_STATUS_SUCCESS;
-
- if (pwd_tablename_val == NULL)
- status = _nss_pwd_create_tablename (errnop);
-
- if (status == NSS_STATUS_SUCCESS)
- {
- ibreq = __create_ib_request (pwd_tablename_val, 0);
- if (ibreq == NULL)
- {
- *errnop = errno;
- return NSS_STATUS_TRYAGAIN;
- }
-
- nis_error retcode = __prepare_niscall (pwd_tablename_val, &dir,
- &bptr, 0);
- if (retcode != NIS_SUCCESS)
- {
- nis_free_request (ibreq);
- ibreq = NULL;
- status = niserr2nss (retcode);
- }
- }
-
- return status;
-}
-
-
-enum nss_status
-_nss_nisplus_setpwent (int stayopen)
-{
- enum nss_status status;
-
- __libc_lock_lock (lock);
-
- internal_nisplus_endpwent ();
-
- // XXX We need to be able to set errno. Pass in new parameter.
- int err;
- status = internal_nisplus_setpwent (&err);
-
- __libc_lock_unlock (lock);
-
- return status;
-}
-
-
-enum nss_status
-_nss_nisplus_endpwent (void)
-{
- __libc_lock_lock (lock);
-
- internal_nisplus_endpwent ();
-
- __libc_lock_unlock (lock);
-
- return NSS_STATUS_SUCCESS;
-}
-
-
-static enum nss_status
-internal_nisplus_getpwent_r (struct passwd *pw, char *buffer, size_t buflen,
- int *errnop)
-{
- int parse_res = -1;
- enum nss_status retval = NSS_STATUS_SUCCESS;
-
- /* Get the next entry until we found a correct one. */
- do
- {
- nis_error status;
- nis_result result;
- memset (&result, '\0', sizeof (result));
-
- if (cursor.n_bytes == NULL)
- {
- if (ibreq == NULL)
- {
- retval = internal_nisplus_setpwent (errnop);
- if (retval != NSS_STATUS_SUCCESS)
- return retval;
- }
-
- status = __do_niscall3 (&bptr, NIS_IBFIRST,
- (xdrproc_t) _xdr_ib_request,
- (caddr_t) ibreq,
- (xdrproc_t) _xdr_nis_result,
- (caddr_t) &result,
- 0, NULL);
- }
- else
- {
- ibreq->ibr_cookie.n_bytes = cursor.n_bytes;
- ibreq->ibr_cookie.n_len = cursor.n_len;
-
- status = __do_niscall3 (&bptr, NIS_IBNEXT,
- (xdrproc_t) _xdr_ib_request,
- (caddr_t) ibreq,
- (xdrproc_t) _xdr_nis_result,
- (caddr_t) &result,
- 0, NULL);
-
- ibreq->ibr_cookie.n_bytes = NULL;
- ibreq->ibr_cookie.n_len = 0;
- }
-
- if (status != NIS_SUCCESS)
- return niserr2nss (status);
-
- if (NIS_RES_STATUS (&result) == NIS_NOTFOUND)
- {
- /* No more entries on this server. This means we have to go
- to the next server on the path. */
- status = __follow_path (&tablepath, &tableptr, ibreq, &bptr);
- if (status != NIS_SUCCESS)
- return niserr2nss (status);
-
- directory_obj *newdir = NULL;
- dir_binding newbptr;
- status = __prepare_niscall (ibreq->ibr_name, &newdir, &newbptr, 0);
- if (status != NIS_SUCCESS)
- return niserr2nss (status);
-
- nis_free_directory (dir);
- dir = newdir;
- __nisbind_destroy (&bptr);
- bptr = newbptr;
-
- xdr_free ((xdrproc_t) xdr_netobj, (char *) &result.cookie);
- result.cookie.n_bytes = NULL;
- result.cookie.n_len = 0;
- parse_res = 0;
- goto next;
- }
- else if (NIS_RES_STATUS (&result) != NIS_SUCCESS)
- return niserr2nss (NIS_RES_STATUS (&result));
-
- parse_res = _nss_nisplus_parse_pwent (&result, pw, buffer,
- buflen, errnop);
-
- if (__glibc_unlikely (parse_res == -1))
- {
- *errnop = ERANGE;
- retval = NSS_STATUS_TRYAGAIN;
- goto freeres;
- }
-
- next:
- /* Free the old cursor. */
- xdr_free ((xdrproc_t) xdr_netobj, (char *) &cursor);
- /* Remember the new one. */
- cursor.n_bytes = result.cookie.n_bytes;
- cursor.n_len = result.cookie.n_len;
- /* Free the result structure. NB: we do not remove the cookie. */
- result.cookie.n_bytes = NULL;
- result.cookie.n_len = 0;
- freeres:
- xdr_free ((xdrproc_t) _xdr_nis_result, (char *) &result);
- memset (&result, '\0', sizeof (result));
- }
- while (!parse_res);
-
- return retval;
-}
-
-enum nss_status
-_nss_nisplus_getpwent_r (struct passwd *result, char *buffer, size_t buflen,
- int *errnop)
-{
- int status;
-
- __libc_lock_lock (lock);
-
- status = internal_nisplus_getpwent_r (result, buffer, buflen, errnop);
-
- __libc_lock_unlock (lock);
-
- return status;
-}
-
-enum nss_status
-_nss_nisplus_getpwnam_r (const char *name, struct passwd *pw,
- char *buffer, size_t buflen, int *errnop)
-{
- int parse_res;
-
- if (pwd_tablename_val == NULL)
- {
- enum nss_status status = _nss_pwd_create_tablename (errnop);
-
- if (status != NSS_STATUS_SUCCESS)
- return status;
- }
-
- if (name == NULL)
- {
- *errnop = EINVAL;
- return NSS_STATUS_UNAVAIL;
- }
-
- nis_result *result;
- char buf[strlen (name) + 9 + pwd_tablename_len];
- int olderr = errno;
-
- snprintf (buf, sizeof (buf), "[name=%s],%s", name, pwd_tablename_val);
-
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM, NULL, NULL);
-
- if (result == NULL)
- {
- *errnop = ENOMEM;
- return NSS_STATUS_TRYAGAIN;
- }
-
- if (__glibc_unlikely (niserr2nss (result->status) != NSS_STATUS_SUCCESS))
- {
- enum nss_status status = niserr2nss (result->status);
-
- __set_errno (olderr);
-
- nis_freeresult (result);
- return status;
- }
-
- parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen, errnop);
-
- nis_freeresult (result);
-
- if (__glibc_unlikely (parse_res < 1))
- {
- if (parse_res == -1)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- {
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
- }
- }
-
- return NSS_STATUS_SUCCESS;
-}
-
-enum nss_status
-_nss_nisplus_getpwuid_r (const uid_t uid, struct passwd *pw,
- char *buffer, size_t buflen, int *errnop)
-{
- if (pwd_tablename_val == NULL)
- {
- enum nss_status status = _nss_pwd_create_tablename (errnop);
-
- if (status != NSS_STATUS_SUCCESS)
- return status;
- }
-
- int parse_res;
- nis_result *result;
- char buf[8 + 3 * sizeof (unsigned long int) + pwd_tablename_len];
- int olderr = errno;
-
- snprintf (buf, sizeof (buf), "[uid=%lu],%s",
- (unsigned long int) uid, pwd_tablename_val);
-
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM, NULL, NULL);
-
- if (result == NULL)
- {
- *errnop = ENOMEM;
- return NSS_STATUS_TRYAGAIN;
- }
-
- if (__glibc_unlikely (niserr2nss (result->status) != NSS_STATUS_SUCCESS))
- {
- enum nss_status status = niserr2nss (result->status);
-
- __set_errno (olderr);
-
- nis_freeresult (result);
- return status;
- }
-
- parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen, errnop);
-
- nis_freeresult (result);
-
- if (__glibc_unlikely (parse_res < 1))
- {
- if (parse_res == -1)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- {
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
- }
- }
-
- return NSS_STATUS_SUCCESS;
-}
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