-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2001, 2002 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 Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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
- Library General Public License for more details.
+ Lesser 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. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
#include <nss.h>
#include <errno.h>
#include <string.h>
#include <bits/libc-lock.h>
#include <rpcsvc/nis.h>
-#include <rpcsvc/nislib.h>
#include "nss-nisplus.h"
__libc_lock_define_initialized (static, lock)
-static nis_result *result = NULL;
-static nis_name tablename_val = NULL;
-static u_long tablename_len = 0;
+static nis_result *result;
+static nis_name tablename_val;
+static u_long tablename_len;
#define NISENTRYVAL(idx,col,res) \
((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
static int
_nss_nisplus_parse_protoent (nis_result * result, struct protoent *proto,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
char *first_unused = buffer;
size_t room_left = buflen;
if (result == NULL)
return 0;
- if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) ||
- __type_of (NIS_RES_OBJECT (result)) != ENTRY_OBJ ||
- strcmp (NIS_RES_OBJECT (result)->EN_data.en_type, "protocols_tbl") != 0
+ if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
+ || __type_of (NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ
+ || strcmp (NIS_RES_OBJECT (result)->EN_data.en_type,
+ "protocols_tbl") != 0
|| NIS_RES_OBJECT (result)->EN_data.en_cols.en_cols_len < 3)
return 0;
if (NISENTRYLEN (0, 0, result) + 1 > room_left)
{
no_more_room:
- __set_errno (ERANGE);
- return 0;
+ *errnop = ERANGE;
+ return -1;
}
strncpy (first_unused, NISENTRYVAL (0, 0, result),
NISENTRYLEN (0, 0, result));
p = first_unused;
line = p;
- for (i = 0; i < result->objects.objects_len; i++)
+ for (i = 0; i < result->objects.objects_len; ++i)
{
if (strcmp (NISENTRYVAL (i, 1, result), proto->p_name) != 0)
{
if (NISENTRYLEN (i, 1, result) + 2 > room_left)
goto no_more_room;
*p++ = ' ';
- p = stpncpy (p, NISENTRYVAL (i, 1, result),
- NISENTRYLEN (i, 1, result));
+ p = __stpncpy (p, NISENTRYVAL (i, 1, result),
+ NISENTRYLEN (i, 1, result));
*p = '\0';
room_left -= (NISENTRYLEN (i, 1, result) + 1);
}
}
- ++p;
+ *p++ = '\0';
first_unused = p;
/* Adjust the pointer so it is aligned for
proto->p_aliases = (char **) first_unused;
if (room_left < sizeof (char *))
goto no_more_room;
- room_left -= (sizeof (char *));
+ room_left -= sizeof (char *);
proto->p_aliases[0] = NULL;
i = 0;
}
static enum nss_status
-_nss_create_tablename (void)
+_nss_create_tablename (int *errnop)
{
if (tablename_val == NULL)
{
char buf [40 + strlen (nis_local_directory ())];
char *p;
- p = stpcpy (buf, "protocols.org_dir.");
- p = stpcpy (p, nis_local_directory ());
- tablename_val = strdup (buf);
+ p = __stpcpy (buf, "protocols.org_dir.");
+ p = __stpcpy (p, nis_local_directory ());
+ tablename_val = __strdup (buf);
if (tablename_val == NULL)
- return NSS_STATUS_TRYAGAIN;
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
tablename_len = strlen (tablename_val);
}
return NSS_STATUS_SUCCESS;
}
enum nss_status
-_nss_nisplus_setprotoent (void)
+_nss_nisplus_setprotoent (int stayopen)
{
enum nss_status status = NSS_STATUS_SUCCESS;
result = NULL;
if (tablename_val == NULL)
- status = _nss_create_tablename ();
+ {
+ int err;
+ status = _nss_create_tablename (&err);
+ }
__libc_lock_unlock (lock);
static enum nss_status
internal_nisplus_getprotoent_r (struct protoent *proto, char *buffer,
- size_t buflen)
+ size_t buflen, int *errnop)
{
int parse_res;
/* Get the next entry until we found a correct one. */
do
{
+ nis_result *saved_res;
+
if (result == NULL)
{
+ saved_res = NULL;
if (tablename_val == NULL)
- if (_nss_create_tablename () != NSS_STATUS_SUCCESS)
- return NSS_STATUS_UNAVAIL;
+ {
+ enum nss_status status = _nss_create_tablename (errnop);
+
+ if (status != NSS_STATUS_SUCCESS)
+ return status;
+ }
result = nis_first_entry (tablename_val);
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
nis_result *res;
+ saved_res = result;
res = nis_next_entry (tablename_val, &result->cookie);
- nis_freeresult (result);
result = res;
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- return niserr2nss (result->status);
+ {
+ nis_freeresult (saved_res);
+ return niserr2nss (result->status);
+ }
}
- parse_res = _nss_nisplus_parse_protoent (result, proto, buffer, buflen);
+ parse_res = _nss_nisplus_parse_protoent (result, proto, buffer,
+ buflen, errnop);
+ if (parse_res == -1)
+ {
+ nis_freeresult (result);
+ result = saved_res;
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ if (saved_res)
+ nis_freeresult (saved_res);
+ }
}
while (!parse_res);
enum nss_status
_nss_nisplus_getprotoent_r (struct protoent *result, char *buffer,
- size_t buflen)
+ size_t buflen, int *errnop)
{
int status;
__libc_lock_lock (lock);
- status = internal_nisplus_getprotoent_r (result, buffer, buflen);
+ status = internal_nisplus_getprotoent_r (result, buffer, buflen, errnop);
__libc_lock_unlock (lock);
enum nss_status
_nss_nisplus_getprotobyname_r (const char *name, struct protoent *proto,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
int parse_res;
if (tablename_val == NULL)
- if (_nss_create_tablename () != NSS_STATUS_SUCCESS)
- return NSS_STATUS_UNAVAIL;
+ {
+ enum nss_status status = _nss_create_tablename (errnop);
+
+ if (status != NSS_STATUS_SUCCESS)
+ return status;
+ }
if (name == NULL)
return NSS_STATUS_NOTFOUND;
{
nis_result *result;
char buf[strlen (name) + 255 + tablename_len];
+ int olderr = errno;
/* Search at first in the alias list, and use the correct name
for the next search */
/* If we do not find it, try it as original name. But if the
database is correct, we should find it in the first case, too */
- if ((result->status != NIS_SUCCESS &&
- result->status != NIS_S_SUCCESS) ||
- __type_of (result->objects.objects_val) != ENTRY_OBJ ||
- strcmp (result->objects.objects_val->EN_data.en_type,
- "protocols_tbl") != 0 ||
- result->objects.objects_val->EN_data.en_cols.en_cols_len < 3)
+ if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
+ || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
+ || strcmp (result->objects.objects_val->EN_data.en_type,
+ "protocols_tbl") != 0
+ || result->objects.objects_val->EN_data.en_cols.en_cols_len < 3)
sprintf (buf, "[cname=%s],%s", name, tablename_val);
else
sprintf (buf, "[cname=%s],%s", NISENTRYVAL (0, 0, result),
{
enum nss_status status = niserr2nss (result->status);
+ __set_errno (olderr);
+
nis_freeresult (result);
return status;
}
- parse_res = _nss_nisplus_parse_protoent (result, proto, buffer, buflen);
+ parse_res = _nss_nisplus_parse_protoent (result, proto, buffer, buflen,
+ errnop);
nis_freeresult (result);
- if (parse_res)
- return NSS_STATUS_SUCCESS;
-
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
+ if (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_getprotobynumber_r (const int number, struct protoent *proto,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
if (tablename_val == NULL)
- if (_nss_create_tablename () != NSS_STATUS_SUCCESS)
- return NSS_STATUS_UNAVAIL;
+ {
+ enum nss_status status = _nss_create_tablename (errnop);
+
+ if (status != NSS_STATUS_SUCCESS)
+ return status;
+ }
+
{
int parse_res;
nis_result *result;
char buf[46 + tablename_len];
+ int olderr = errno;
- snprintf (buf, sizeof (buf), "[number=%d],%s", number, tablename_val);
+ sprintf (buf, "[number=%d],%s", number, tablename_val);
result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
{
enum nss_status status = niserr2nss (result->status);
+ __set_errno (olderr);
+
nis_freeresult (result);
return status;
}
- parse_res = _nss_nisplus_parse_protoent (result, proto, buffer, buflen);
+ parse_res = _nss_nisplus_parse_protoent (result, proto, buffer, buflen,
+ errnop);
nis_freeresult (result);
- if (parse_res)
- return NSS_STATUS_SUCCESS;
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
+ if (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;
}
}
projects / thirdparty / glibc.git / blobdiff