* nis/nis_table.c (nis_list): Handle FOLLOW_PATH | ALL_RESULTS
when callback is NULL. * nis/Versions (libnss_nisplus): Add _nss_nisplus_initgroups_dyn@@GLIBC_PRIVATE. * nis/Makefile (libnss_nisplus-routines): Add nisplus-initgroups. * nis/nss_nisplus/nisplus-grp.c (tablename_val, tablename_len, _nss_create_tablename): Rename to... (grp_tablename_val, grp_tablename_len, _nss_grp_create_tablename): ... these. No longer static. (internal_setgrent): Adjust users. (_nss_nisplus_getgrnam_r, _nss_nisplus_getgrgid_r): Likewise. Don't use locking around _nss_grp_create_tablename call. * nis/nss_nisplus/nisplus-initgroups.c: New file.
This commit is contained in:
parent
ffb15bc0aa
commit
6836157252
17
ChangeLog
17
ChangeLog
|
@ -1,3 +1,20 @@
|
|||
2006-09-27 Jakub Jelinek <jakub@redhat.com>
|
||||
|
||||
* nis/nis_table.c (nis_list): Handle FOLLOW_PATH | ALL_RESULTS
|
||||
when callback is NULL.
|
||||
|
||||
* nis/Versions (libnss_nisplus): Add
|
||||
_nss_nisplus_initgroups_dyn@@GLIBC_PRIVATE.
|
||||
* nis/Makefile (libnss_nisplus-routines): Add nisplus-initgroups.
|
||||
* nis/nss_nisplus/nisplus-grp.c (tablename_val, tablename_len,
|
||||
_nss_create_tablename): Rename to...
|
||||
(grp_tablename_val, grp_tablename_len, _nss_grp_create_tablename):
|
||||
... these. No longer static.
|
||||
(internal_setgrent): Adjust users.
|
||||
(_nss_nisplus_getgrnam_r, _nss_nisplus_getgrgid_r): Likewise.
|
||||
Don't use locking around _nss_grp_create_tablename call.
|
||||
* nis/nss_nisplus/nisplus-initgroups.c: New file.
|
||||
|
||||
2006-10-06 Ulrich Drepper <drepper@redhat.com>
|
||||
|
||||
* version.h (VERSION): Bump to 2.5.90 for new development tree.
|
||||
|
|
|
@ -64,7 +64,7 @@ libnss_nis-routines := $(addprefix nis-,$(databases)) nis-initgroups \
|
|||
libnss_nis-inhibit-o = $(filter-out .os,$(object-suffixes))
|
||||
|
||||
libnss_nisplus-routines := $(addprefix nisplus-,$(databases)) nisplus-parser \
|
||||
nss-nisplus
|
||||
nss-nisplus nisplus-initgroups
|
||||
libnss_nisplus-inhibit-o = $(filter-out .os,$(object-suffixes))
|
||||
|
||||
include ../Rules
|
||||
|
|
|
@ -125,6 +125,6 @@ libnss_nisplus {
|
|||
_nss_nisplus_setetherent; _nss_nisplus_setgrent; _nss_nisplus_sethostent;
|
||||
_nss_nisplus_setnetent; _nss_nisplus_setnetgrent; _nss_nisplus_setprotoent;
|
||||
_nss_nisplus_setpwent; _nss_nisplus_setrpcent; _nss_nisplus_setservent;
|
||||
_nss_nisplus_setspent;
|
||||
_nss_nisplus_setspent; _nss_nisplus_initgroups_dyn;
|
||||
}
|
||||
}
|
||||
|
|
|
@ -215,6 +215,7 @@ nis_list (const_nis_name name, unsigned int flags,
|
|||
char *tableptr;
|
||||
char *tablepath = NULL;
|
||||
int first_try = 0; /* Do we try the old binding at first ? */
|
||||
nis_result *allres = NULL;
|
||||
|
||||
if (res == NULL)
|
||||
return NULL;
|
||||
|
@ -223,6 +224,7 @@ nis_list (const_nis_name name, unsigned int flags,
|
|||
{
|
||||
status = NIS_BADNAME;
|
||||
err_out:
|
||||
nis_freeresult (allres);
|
||||
memset (res, '\0', sizeof (nis_result));
|
||||
NIS_RES_STATUS (res) = status;
|
||||
return res;
|
||||
|
@ -349,6 +351,7 @@ nis_list (const_nis_name name, unsigned int flags,
|
|||
if (names != namebuf)
|
||||
nis_freenames (names);
|
||||
nis_free_request (ibreq);
|
||||
nis_freeresult (allres);
|
||||
return res;
|
||||
}
|
||||
if (NIS_RES_OBJECT (res)->LI_data.li_attrs.li_attrs_len)
|
||||
|
@ -392,6 +395,53 @@ nis_list (const_nis_name name, unsigned int flags,
|
|||
goto again;
|
||||
}
|
||||
}
|
||||
else if ((flags & (FOLLOW_PATH | ALL_RESULTS))
|
||||
== (FOLLOW_PATH | ALL_RESULTS))
|
||||
{
|
||||
if (allres == NULL)
|
||||
{
|
||||
allres = res;
|
||||
res = malloc (sizeof (nis_result));
|
||||
if (res == NULL)
|
||||
{
|
||||
res = allres;
|
||||
allres = NULL;
|
||||
NIS_RES_STATUS (res) = NIS_NOMEMORY;
|
||||
goto fail;
|
||||
}
|
||||
NIS_RES_STATUS (res) = NIS_RES_STATUS (allres);
|
||||
}
|
||||
else
|
||||
{
|
||||
nis_object *objects_val
|
||||
= realloc (NIS_RES_OBJECT (allres),
|
||||
(NIS_RES_NUMOBJ (allres)
|
||||
+ NIS_RES_NUMOBJ (res))
|
||||
* sizeof (nis_object));
|
||||
if (objects_val == NULL)
|
||||
{
|
||||
NIS_RES_STATUS (res) = NIS_NOMEMORY;
|
||||
goto fail;
|
||||
}
|
||||
NIS_RES_OBJECT (allres) = objects_val;
|
||||
memcpy (NIS_RES_OBJECT (allres) + NIS_RES_NUMOBJ (allres),
|
||||
NIS_RES_OBJECT (res),
|
||||
NIS_RES_NUMOBJ (res) * sizeof (nis_object));
|
||||
NIS_RES_NUMOBJ (allres) += NIS_RES_NUMOBJ (res);
|
||||
NIS_RES_NUMOBJ (res) = 0;
|
||||
free (NIS_RES_OBJECT (res));
|
||||
NIS_RES_OBJECT (res) = NULL;
|
||||
NIS_RES_STATUS (allres) = NIS_RES_STATUS (res);
|
||||
xdr_free ((xdrproc_t) _xdr_nis_result, (char *) res);
|
||||
}
|
||||
clnt_status = __follow_path (&tablepath, &tableptr, ibreq,
|
||||
&bptr);
|
||||
if (clnt_status != NIS_SUCCESS)
|
||||
{
|
||||
NIS_RES_STATUS (res) = clnt_status;
|
||||
++done;
|
||||
}
|
||||
}
|
||||
else
|
||||
++done;
|
||||
break;
|
||||
|
@ -485,6 +535,12 @@ nis_list (const_nis_name name, unsigned int flags,
|
|||
|
||||
nis_free_request (ibreq);
|
||||
|
||||
if (allres)
|
||||
{
|
||||
nis_freeresult (res);
|
||||
return allres;
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
libnsl_hidden_def (nis_list)
|
||||
|
|
|
@ -46,13 +46,13 @@ static char *tableptr;
|
|||
static netobj cursor;
|
||||
|
||||
|
||||
static nis_name tablename_val;
|
||||
static size_t tablename_len;
|
||||
nis_name grp_tablename_val attribute_hidden;
|
||||
size_t grp_tablename_len attribute_hidden;
|
||||
|
||||
static enum nss_status
|
||||
_nss_create_tablename (int *errnop)
|
||||
enum nss_status
|
||||
_nss_grp_create_tablename (int *errnop)
|
||||
{
|
||||
if (tablename_val == NULL)
|
||||
if (grp_tablename_val == NULL)
|
||||
{
|
||||
const char *local_dir = nis_local_directory ();
|
||||
size_t local_dir_len = strlen (local_dir);
|
||||
|
@ -67,11 +67,16 @@ _nss_create_tablename (int *errnop)
|
|||
|
||||
memcpy (__stpcpy (p, prefix), local_dir, local_dir_len + 1);
|
||||
|
||||
tablename_len = sizeof (prefix) - 1 + local_dir_len;
|
||||
grp_tablename_len = sizeof (prefix) - 1 + local_dir_len;
|
||||
|
||||
atomic_write_barrier ();
|
||||
|
||||
tablename_val = p;
|
||||
if (atomic_compare_and_exchange_bool_acq (&grp_tablename_val, p, NULL))
|
||||
{
|
||||
/* Another thread already installed the value. */
|
||||
free (p);
|
||||
grp_tablename_len = strlen (grp_tablename_val);
|
||||
}
|
||||
}
|
||||
|
||||
return NSS_STATUS_SUCCESS;
|
||||
|
@ -103,19 +108,19 @@ internal_setgrent (int *errnop)
|
|||
{
|
||||
enum nss_status status = NSS_STATUS_SUCCESS;
|
||||
|
||||
if (tablename_val == NULL)
|
||||
status = _nss_create_tablename (errnop);
|
||||
if (grp_tablename_val == NULL)
|
||||
status = _nss_grp_create_tablename (errnop);
|
||||
|
||||
if (status == NSS_STATUS_SUCCESS)
|
||||
{
|
||||
ibreq = __create_ib_request (tablename_val, 0);
|
||||
ibreq = __create_ib_request (grp_tablename_val, 0);
|
||||
if (ibreq == NULL)
|
||||
{
|
||||
*errnop = errno;
|
||||
return NSS_STATUS_TRYAGAIN;
|
||||
}
|
||||
|
||||
nis_error retcode = __prepare_niscall (tablename_val, &dir, &bptr, 0);
|
||||
nis_error retcode = __prepare_niscall (grp_tablename_val, &dir, &bptr, 0);
|
||||
if (retcode != NIS_SUCCESS)
|
||||
{
|
||||
nis_free_request (ibreq);
|
||||
|
@ -285,13 +290,9 @@ _nss_nisplus_getgrnam_r (const char *name, struct group *gr,
|
|||
{
|
||||
int parse_res;
|
||||
|
||||
if (tablename_val == NULL)
|
||||
if (grp_tablename_val == NULL)
|
||||
{
|
||||
__libc_lock_lock (lock);
|
||||
|
||||
enum nss_status status = _nss_create_tablename (errnop);
|
||||
|
||||
__libc_lock_unlock (lock);
|
||||
enum nss_status status = _nss_grp_create_tablename (errnop);
|
||||
|
||||
if (status != NSS_STATUS_SUCCESS)
|
||||
return status;
|
||||
|
@ -304,10 +305,10 @@ _nss_nisplus_getgrnam_r (const char *name, struct group *gr,
|
|||
}
|
||||
|
||||
nis_result *result;
|
||||
char buf[strlen (name) + 9 + tablename_len];
|
||||
char buf[strlen (name) + 9 + grp_tablename_len];
|
||||
int olderr = errno;
|
||||
|
||||
snprintf (buf, sizeof (buf), "[name=%s],%s", name, tablename_val);
|
||||
snprintf (buf, sizeof (buf), "[name=%s],%s", name, grp_tablename_val);
|
||||
|
||||
result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
|
||||
|
||||
|
@ -348,13 +349,9 @@ enum nss_status
|
|||
_nss_nisplus_getgrgid_r (const gid_t gid, struct group *gr,
|
||||
char *buffer, size_t buflen, int *errnop)
|
||||
{
|
||||
if (tablename_val == NULL)
|
||||
if (grp_tablename_val == NULL)
|
||||
{
|
||||
__libc_lock_lock (lock);
|
||||
|
||||
enum nss_status status = _nss_create_tablename (errnop);
|
||||
|
||||
__libc_lock_unlock (lock);
|
||||
enum nss_status status = _nss_grp_create_tablename (errnop);
|
||||
|
||||
if (status != NSS_STATUS_SUCCESS)
|
||||
return status;
|
||||
|
@ -362,11 +359,11 @@ _nss_nisplus_getgrgid_r (const gid_t gid, struct group *gr,
|
|||
|
||||
int parse_res;
|
||||
nis_result *result;
|
||||
char buf[8 + 3 * sizeof (unsigned long int) + tablename_len];
|
||||
char buf[8 + 3 * sizeof (unsigned long int) + grp_tablename_len];
|
||||
int olderr = errno;
|
||||
|
||||
snprintf (buf, sizeof (buf), "[gid=%lu],%s",
|
||||
(unsigned long int) gid, tablename_val);
|
||||
(unsigned long int) gid, grp_tablename_val);
|
||||
|
||||
result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
|
||||
|
||||
|
|
150
nis/nss_nisplus/nisplus-initgroups.c
Normal file
150
nis/nss_nisplus/nisplus-initgroups.c
Normal file
|
@ -0,0 +1,150 @@
|
|||
/* Copyright (C) 1997, 2001, 2002, 2003, 2005, 2006
|
||||
Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
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, write to the Free
|
||||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA. */
|
||||
|
||||
#include <atomic.h>
|
||||
#include <nss.h>
|
||||
#include <grp.h>
|
||||
#include <ctype.h>
|
||||
#include <errno.h>
|
||||
#include <string.h>
|
||||
#include <bits/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>
|
||||
|
||||
#define NISOBJVAL(col, obj) \
|
||||
((obj)->EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
|
||||
|
||||
#define NISOBJLEN(col, obj) \
|
||||
((obj)->EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
|
||||
|
||||
extern nis_name grp_tablename_val attribute_hidden;
|
||||
extern size_t grp_tablename_len attribute_hidden;
|
||||
extern enum nss_status _nss_grp_create_tablename (int *errnop);
|
||||
|
||||
|
||||
enum nss_status
|
||||
_nss_nisplus_initgroups_dyn (const char *user, gid_t group, long int *start,
|
||||
long int *size, gid_t **groupsp, long int limit,
|
||||
int *errnop)
|
||||
{
|
||||
if (grp_tablename_val == NULL)
|
||||
{
|
||||
enum nss_status status = _nss_grp_create_tablename (errnop);
|
||||
|
||||
if (status != NSS_STATUS_SUCCESS)
|
||||
return status;
|
||||
}
|
||||
|
||||
nis_result *result;
|
||||
char buf[strlen (user) + 12 + grp_tablename_len];
|
||||
|
||||
snprintf (buf, sizeof (buf), "[members=%s],%s", user, grp_tablename_val);
|
||||
|
||||
result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH | ALL_RESULTS, NULL, NULL);
|
||||
|
||||
if (result == NULL)
|
||||
{
|
||||
*errnop = ENOMEM;
|
||||
return NSS_STATUS_TRYAGAIN;
|
||||
}
|
||||
|
||||
if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
|
||||
{
|
||||
enum nss_status status = niserr2nss (result->status);
|
||||
|
||||
nis_freeresult (result);
|
||||
return status;
|
||||
}
|
||||
|
||||
if (NIS_RES_NUMOBJ (result) == 0)
|
||||
{
|
||||
errout:
|
||||
nis_freeresult (result);
|
||||
return NSS_STATUS_NOTFOUND;
|
||||
}
|
||||
|
||||
gid_t *groups = *groupsp;
|
||||
nis_object *obj = NIS_RES_OBJECT (result);
|
||||
for (unsigned int cnt = 0; cnt < NIS_RES_NUMOBJ (result); ++cnt, ++obj)
|
||||
{
|
||||
if (__type_of (obj) != NIS_ENTRY_OBJ
|
||||
|| strcmp (obj->EN_data.en_type, "group_tbl") != 0
|
||||
|| obj->EN_data.en_cols.en_cols_len < 4)
|
||||
continue;
|
||||
|
||||
char *numstr = NISOBJVAL (2, obj);
|
||||
size_t len = NISOBJLEN (2, obj);
|
||||
if (len == 0 || numstr[0] == '\0')
|
||||
continue;
|
||||
|
||||
gid_t gid;
|
||||
char *endp;
|
||||
if (__builtin_expect (numstr[len - 1] != '\0', 0))
|
||||
{
|
||||
char numstrbuf[len + 1];
|
||||
memcpy (numstrbuf, numstr, len);
|
||||
numstrbuf[len] = '\0';
|
||||
gid = strtoul (numstrbuf, &endp, 10);
|
||||
if (*endp)
|
||||
continue;
|
||||
}
|
||||
else
|
||||
{
|
||||
gid = strtoul (numstr, &endp, 10);
|
||||
if (*endp)
|
||||
continue;
|
||||
}
|
||||
|
||||
if (gid == group)
|
||||
continue;
|
||||
|
||||
/* Insert this group. */
|
||||
if (*start == *size)
|
||||
{
|
||||
/* Need a bigger buffer. */
|
||||
long int newsize;
|
||||
|
||||
if (limit > 0 && *size == limit)
|
||||
/* We reached the maximum. */
|
||||
break;
|
||||
|
||||
if (limit <= 0)
|
||||
newsize = 2 * *size;
|
||||
else
|
||||
newsize = MIN (limit, 2 * *size);
|
||||
|
||||
gid_t *newgroups = realloc (groups, newsize * sizeof (*groups));
|
||||
if (newgroups == NULL)
|
||||
goto errout;
|
||||
*groupsp = groups = newgroups;
|
||||
*size = newsize;
|
||||
}
|
||||
|
||||
groups[*start] = gid;
|
||||
*start += 1;
|
||||
}
|
||||
|
||||
nis_freeresult (result);
|
||||
return NSS_STATUS_SUCCESS;
|
||||
}
|
Loading…
Reference in a new issue