from __do_niscall.
* nis/nis_table.c (__create_ib_request): Renamed from create_ib_request
and exported.
(__follow_path): New function. Split out from nis_list.
* nis/nis_xdr.h: Add libnsl_hidden_proto for _xdr_ib_request and
_xdr_nis_result.
* nis/nis_xdr.c: Add libnsl_hidden_def for _xdr_ib_request and
_xdr_nis_result.
* nis/libnsl.h: Declare __prepare_niscall, __create_ib_request,
and __follow_path.
* nis/Versions: Export __prepare_niscall, __create_ib_request,
__follow_path, __do_niscall3, _xdr_ib_request, and _xdr_nis_result
from libnsl for version GLIBC_PRIVATE.
* nis/nisplus-parser.h: Remove _nss_nisplus_parse_pwent_chk.
Remove entry parameter from _nss_nisplus_parse_pwent and
_nss_nisplus_parse_grent.
* nis/nss_nisplus/nisplus-parser.c: Likewise.
* nis/nss_nisplus/nisplus-pwd.c: Remove support for SETENT_BATCH_READ
again. Rewrite getpwent handling to not use nis_first_entry and
nis_next_entry. Roll out own niscall handling.
* nis/nss_nisplus/nisplus-grp.c: Likewise.
* sunrpc/xdr_rec.c: Fix typo in comment.
2006-05-18 David Woodhouse <dwmw2@redhat.com>
+2006-05-20 Ulrich Drepper <drepper@redhat.com>
+
+ * nis/nis_call.c (__prepare_niscall): New function. Split out
+ from __do_niscall.
+ * nis/nis_table.c (__create_ib_request): Renamed from create_ib_request
+ and exported.
+ (__follow_path): New function. Split out from nis_list.
+ * nis/nis_xdr.h: Add libnsl_hidden_proto for _xdr_ib_request and
+ _xdr_nis_result.
+ * nis/nis_xdr.c: Add libnsl_hidden_def for _xdr_ib_request and
+ _xdr_nis_result.
+ * nis/libnsl.h: Declare __prepare_niscall, __create_ib_request,
+ and __follow_path.
+ * nis/Versions: Export __prepare_niscall, __create_ib_request,
+ __follow_path, __do_niscall3, _xdr_ib_request, and _xdr_nis_result
+ from libnsl for version GLIBC_PRIVATE.
+ * nis/nisplus-parser.h: Remove _nss_nisplus_parse_pwent_chk.
+ Remove entry parameter from _nss_nisplus_parse_pwent and
+ _nss_nisplus_parse_grent.
+ * nis/nss_nisplus/nisplus-parser.c: Likewise.
+ * nis/nss_nisplus/nisplus-pwd.c: Remove support for SETENT_BATCH_READ
+ again. Rewrite getpwent handling to not use nis_first_entry and
+ nis_next_entry. Roll out own niscall handling.
+ * nis/nss_nisplus/nisplus-grp.c: Likewise.
+
+ * sunrpc/xdr_rec.c: Fix typo in comment.
+
2006-05-19 Ulrich Drepper <drepper@redhat.com>
* nis/nis_call.c (__do_niscall3): Avoid code duplication in error
cb->serv together. Remove now obsolete free calls.
(__nis_destroy_callback): Remove now obsolete free call.
-2006-05-18 David Woodhouse <dwmw2@infradead.org>
+2006-05-18 David Woodhouse <dwmw2@redhat.com>
* sysdeps/posix/getaddrinfo.c: Add unique labels to the default
RFC3484 precedence table for fec0::/10 and fc00::/7 (site-local
xdr_ypall;
}
GLIBC_PRIVATE {
- _nsl_default_nss;
+ _nsl_default_nss; __prepare_niscall; __follow_path; __do_niscall3;
+ __create_ib_request; _xdr_ib_request; _xdr_nis_result;
}
}
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <rpcsvc/nis.h>
+
#define NSS_FLAG_NETID_AUTHORITATIVE 1
#define NSS_FLAG_SERVICES_AUTHORITATIVE 2
#define NSS_FLAG_SETENT_BATCH_READ 4
/* Get current set of default flags. */
extern int _nsl_default_nss (void);
+
+/* Set up everything for a call to __do_niscall3. */
+extern nis_error __prepare_niscall (const_nis_name name, directory_obj **dirp,
+ dir_binding *bptrp, unsigned int flags);
+
+extern struct ib_request *__create_ib_request (const_nis_name name,
+ unsigned int flags);
+libnsl_hidden_proto (__create_ib_request)
+
+extern nis_error __follow_path (char **tablepath, char **tableptr,
+ struct ib_request *ibreq, dir_binding *bptr);
+libnsl_hidden_proto (__follow_path)
return result;
}
+
nis_error
-__do_niscall (const_nis_name name, u_long prog, xdrproc_t xargs,
- caddr_t req, xdrproc_t xres, caddr_t resp, unsigned int flags,
- nis_cb *cb)
+__prepare_niscall (const_nis_name name, directory_obj **dirp,
+ dir_binding *bptrp, unsigned int flags)
{
- nis_error retcode;
- dir_binding bptr;
- directory_obj *dir = NULL;
+ nis_error retcode = __nisfind_server (name, dirp);
+ if (__builtin_expect (retcode != NIS_SUCCESS, 0))
+ return retcode;
+
nis_server *server;
u_int server_len;
- int saved_errno = errno;
-
- retcode = __nisfind_server (name, &dir);
- if (retcode != NIS_SUCCESS)
- return retcode;
if (flags & MASTER_ONLY)
{
- server = dir->do_servers.do_servers_val;
+ server = (*dirp)->do_servers.do_servers_val;
server_len = 1;
}
else
{
- server = dir->do_servers.do_servers_val;
- server_len = dir->do_servers.do_servers_len;
+ server = (*dirp)->do_servers.do_servers_val;
+ server_len = (*dirp)->do_servers.do_servers_len;
}
- retcode = __nisbind_create (&bptr, server, server_len, flags);
+ retcode = __nisbind_create (bptrp, server, server_len, flags);
+ if (retcode == NIS_SUCCESS)
+ {
+ do
+ if (__nisbind_connect (bptrp) == NIS_SUCCESS)
+ return NIS_SUCCESS;
+ while (__nisbind_next (bptrp) == NIS_SUCCESS);
+
+ __nisbind_destroy (bptrp);
+ memset (bptrp, '\0', sizeof (*bptrp));
+
+ retcode = NIS_NAMEUNREACHABLE;
+ }
+
+ nis_free_directory (*dirp);
+ *dirp = NULL;
+
+ return retcode;
+}
+
+
+nis_error
+__do_niscall (const_nis_name name, u_long prog, xdrproc_t xargs,
+ caddr_t req, xdrproc_t xres, caddr_t resp, unsigned int flags,
+ nis_cb *cb)
+{
+ dir_binding bptr;
+ directory_obj *dir = NULL;
+ int saved_errno = errno;
+
+ nis_error retcode = __prepare_niscall (name, &dir, &bptr, flags);
if (retcode == NIS_SUCCESS)
{
- while (__nisbind_connect (&bptr) != NIS_SUCCESS)
- {
- if (__nisbind_next (&bptr) != NIS_SUCCESS)
- {
- nis_free_directory (dir);
- return NIS_NAMEUNREACHABLE;
- }
- }
retcode = __do_niscall3 (&bptr, prog, xargs, req, xres, resp, flags, cb);
__nisbind_destroy (&bptr);
- }
- nis_free_directory (dir);
+ nis_free_directory (dir);
+ }
__set_errno (saved_errno);
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <assert.h>
#include <string.h>
#include <rpcsvc/nis.h>
#include "nis_xdr.h"
#include "nis_intern.h"
+#include "libnsl.h"
-static struct ib_request *
-create_ib_request (const_nis_name name, unsigned int flags)
+struct ib_request *
+__create_ib_request (const_nis_name name, unsigned int flags)
{
struct ib_request *ibreq = calloc (1, sizeof (struct ib_request));
nis_attr *search_val = NULL;
return ibreq;
}
+libnsl_hidden_def (__create_ib_request)
static const struct timeval RPCTIMEOUT = {10, 0};
return str;
}
+
+nis_error
+__follow_path (char **tablepath, char **tableptr, struct ib_request *ibreq,
+ dir_binding *bptr)
+{
+ if (*tablepath == NULL)
+ {
+ *tablepath = get_tablepath (ibreq->ibr_name, bptr);
+ if (*tablepath == NULL)
+ return NIS_NOMEMORY;
+
+ *tableptr = *tablepath;
+ }
+ if (*tableptr == NULL)
+ return NIS_NOTFOUND;
+
+ char *newname = strsep (tableptr, ":");
+ if (newname[0] == '\0')
+ return NIS_NOTFOUND;
+
+ newname = strdup (newname);
+ if (newname == NULL)
+ return NIS_NOMEMORY;
+
+ free (ibreq->ibr_name);
+ ibreq->ibr_name = newname;
+
+ return NIS_SUCCESS;
+}
+libnsl_hidden_def (__follow_path)
+
+
nis_result *
nis_list (const_nis_name name, unsigned int flags,
int (*callback) (const_nis_name name,
return res;
}
- ibreq = create_ib_request (name, flags);
+ ibreq = __create_ib_request (name, flags);
if (ibreq == NULL)
{
status = NIS_BADNAME;
if (callback != NULL)
{
+ assert (cb == NULL);
cb = __nis_create_callback (callback, userdata, flags);
ibreq->ibr_cbhost.ibr_cbhost_len = 1;
ibreq->ibr_cbhost.ibr_cbhost_val = cb->serv;
following code. But it also would unnecessarily
free the result structure. We avoid this here
along with the necessary tests. */
-#if 1
xdr_free ((xdrproc_t) _xdr_nis_result, (char *)res);
memset (res, '\0', sizeof (*res));
-#else
- nis_freeresult (res);
- res = calloc (1, sizeof (nis_result));
- if (res == NULL)
- goto fail;
-#endif
first_try = 1; /* Try at first the old binding */
goto again;
}
else if ((flags & FOLLOW_PATH)
&& NIS_RES_STATUS (res) == NIS_PARTIAL)
{
- if (tablepath == NULL)
- {
- tablepath = get_tablepath (ibreq->ibr_name, &bptr);
- tableptr = tablepath;
- }
- if (tableptr == NULL)
+ clnt_status = __follow_path (&tablepath, &tableptr, ibreq,
+ &bptr);
+ if (clnt_status != NIS_SUCCESS)
{
- ++done;
- break;
- }
- free (ibreq->ibr_name);
- ibreq->ibr_name = strsep (&tableptr, ":");
- if (ibreq->ibr_name == NULL || ibreq->ibr_name[0] == '\0')
- {
- ibreq->ibr_name = strdup ("");
- if (ibreq->ibr_name == NULL)
- {
- NIS_RES_STATUS (res) = NIS_NOMEMORY;
- goto fail;
- }
+ NIS_RES_STATUS (res) = clnt_status;
++done;
}
else
{
- ibreq->ibr_name = strdup (ibreq->ibr_name);
/* The following is a non-obvious optimization. A
nis_freeresult call would call xdr_free as the
following code. But it also would unnecessarily
free the result structure. We avoid this here
along with the necessary tests. */
-#if 1
- xdr_free ((xdrproc_t) _xdr_nis_result, (char *)res);
+ xdr_free ((xdrproc_t) _xdr_nis_result, (char *) res);
memset (res, '\0', sizeof (*res));
- if (ibreq->ibr_name == NULL)
- {
- NIS_RES_STATUS (res) = NIS_NOMEMORY;
- goto fail;
- }
-#else
- nis_freeresult (res);
- res = calloc (1, sizeof (nis_result));
- if (res == NULL || ibreq->ibr_name == NULL)
- {
- free (res);
- res = NULL;
- goto fail;
- }
-#endif
first_try = 1;
goto again;
}
++done;
else
{
- if (tablepath == NULL)
- {
- tablepath = get_tablepath (ibreq->ibr_name, &bptr);
- tableptr = tablepath;
- }
- if (tableptr == NULL)
- {
- ++done;
- break;
- }
- free (ibreq->ibr_name);
- ibreq->ibr_name = strsep (&tableptr, ":");
- if (ibreq->ibr_name == NULL || ibreq->ibr_name[0] == '\0')
- {
- ibreq->ibr_name = strdup ("");
- ++done;
- }
- else
- ibreq->ibr_name = strdup (ibreq->ibr_name);
- if (ibreq->ibr_name == NULL)
- {
- NIS_RES_STATUS (res) = NIS_NOMEMORY;
- goto fail;
- }
+ NIS_RES_STATUS (res)
+ = __follow_path (&tablepath, &tableptr, ibreq, &bptr);
+ if (NIS_RES_STATUS (res) != NIS_SUCCESS)
+ ++done;
}
}
break;
return res;
}
- ib_request *ibreq = create_ib_request (name, flags);
+ ib_request *ibreq = __create_ib_request (name, flags);
if (ibreq == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
if (res == NULL)
return NULL;
- ibreq = create_ib_request (name, flags);
+ ibreq = __create_ib_request (name, flags);
if (ibreq == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
}
- ibreq = create_ib_request (name, flags);
+ ibreq = __create_ib_request (name, flags);
if (ibreq == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
}
- ibreq = create_ib_request (name, 0);
+ ibreq = __create_ib_request (name, 0);
if (ibreq == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
}
- ibreq = create_ib_request (name, 0);
+ ibreq = __create_ib_request (name, 0);
if (ibreq == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
}
return res;
}
+libnsl_hidden_def (_xdr_nis_result)
bool_t
_xdr_ns_request (XDR *xdrs, ns_request *objp)
}
return res;
}
+libnsl_hidden_def (_xdr_ib_request)
bool_t
_xdr_ping_args (XDR *xdrs, ping_args *objp)
extern bool_t _xdr_directory_obj (XDR *, directory_obj*) attribute_hidden;
extern bool_t _xdr_nis_object (XDR *, nis_object*) attribute_hidden;
extern bool_t _xdr_nis_error (XDR *, nis_error*) attribute_hidden;
-extern bool_t _xdr_nis_result (XDR *, nis_result*) attribute_hidden;
extern bool_t _xdr_ns_request (XDR *, ns_request*) attribute_hidden;
-extern bool_t _xdr_ib_request (XDR *, ib_request*) attribute_hidden;
extern bool_t _xdr_ping_args (XDR *, ping_args*) attribute_hidden;
extern bool_t _xdr_cp_result (XDR *, cp_result*) attribute_hidden;
extern bool_t _xdr_nis_tag (XDR *, nis_tag*) attribute_hidden;
extern bool_t _xdr_fd_args (XDR *, fd_args*) attribute_hidden;
extern bool_t _xdr_fd_result (XDR *, fd_result*) attribute_hidden;
+extern bool_t _xdr_ib_request (XDR *, ib_request*);
+libnsl_hidden_proto (_xdr_ib_request)
+extern bool_t _xdr_nis_result (XDR *, nis_result*);
+libnsl_hidden_proto (_xdr_nis_result)
+
#endif
#include <grp.h>
#include <shadow.h>
-extern int _nss_nisplus_parse_pwent (nis_result *result, size_t entry,
- struct passwd *pw, char *buffer,
- size_t buflen, int *errnop);
-extern int _nss_nisplus_parse_pwent_chk (nis_result *result, struct passwd *pw,
- char *buffer, size_t buflen,
- int *errnop);
-extern int _nss_nisplus_parse_grent (nis_result *result, u_long entry,
- struct group *gr, char *buffer,
- size_t buflen, int *errnop);
+extern int _nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw,
+ char *buffer, size_t buflen, int *errnop);
+
+extern int _nss_nisplus_parse_grent (nis_result *result, struct group *gr,
+ char *buffer, size_t buflen, int *errnop);
+
extern int _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp,
char *buffer, size_t buflen, int *errnop);
#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);
-static nis_result *result;
-static unsigned long next_entry;
+/* Connection information. */
+static ib_request *ibreq;
+static directory_obj *dir;
+static dir_binding bptr;
+static char *tablepath;
+static char *tableptr;
+/* Cursor. */
+static netobj cursor;
+
+
static nis_name tablename_val;
static size_t tablename_len;
return NSS_STATUS_SUCCESS;
}
-static enum nss_status
-internal_setgrent (void)
+
+static void
+internal_endgrent (void)
{
- enum nss_status status;
+ __nisbind_destroy (&bptr);
+ memset (&bptr, '\0', sizeof (bptr));
- if (result != NULL)
- {
- nis_freeresult (result);
- result = NULL;
- }
- next_entry = 0;
+ 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_setgrent (int *errnop)
+{
+ enum nss_status status = NSS_STATUS_SUCCESS;
if (tablename_val == NULL)
- {
- int err;
- if (_nss_create_tablename (&err) != NSS_STATUS_SUCCESS)
- return NSS_STATUS_UNAVAIL;
- }
+ status = _nss_create_tablename (errnop);
- result = nis_list (tablename_val, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
- if (result == NULL)
+ if (status == NSS_STATUS_SUCCESS)
{
- status = NSS_STATUS_TRYAGAIN;
- __set_errno (ENOMEM);
- }
- else
- {
- status = niserr2nss (result->status);
- if (status != NSS_STATUS_SUCCESS)
+ ibreq = __create_ib_request (tablename_val, 0);
+ if (ibreq == NULL)
{
- nis_freeresult (result);
- result = NULL;
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ nis_error retcode = __prepare_niscall (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_setgrent (int stayopen)
{
__libc_lock_lock (lock);
- status = internal_setgrent ();
+ internal_endgrent ();
+
+ // XXX We need to be able to set errno. Pass in new parameter.
+ int err;
+ status = internal_setgrent (&err);
__libc_lock_unlock (lock);
return status;
}
+
enum nss_status
_nss_nisplus_endgrent (void)
{
__libc_lock_lock (lock);
- if (result != NULL)
- {
- nis_freeresult (result);
- result = NULL;
- }
+ internal_endgrent ();
__libc_lock_unlock (lock);
return NSS_STATUS_SUCCESS;
}
+
static enum nss_status
internal_nisplus_getgrent_r (struct group *gr, char *buffer, size_t buflen,
int *errnop)
{
- int parse_res;
-
- if (result == NULL)
- {
- enum nss_status status;
-
- status = internal_setgrent ();
- if (result == NULL || status != NSS_STATUS_SUCCESS)
- return status;
- }
+ int parse_res = -1;
+ enum nss_status retval = NSS_STATUS_SUCCESS;
/* Get the next entry until we found a correct one. */
do
{
- if (next_entry >= result->objects.objects_len)
- return NSS_STATUS_NOTFOUND;
+ nis_error status;
+ nis_result result;
+ memset (&result, '\0', sizeof (result));
- parse_res = _nss_nisplus_parse_grent (result, next_entry, gr,
+ if (cursor.n_bytes == NULL)
+ {
+ if (ibreq == NULL)
+ {
+ retval = internal_setgrent (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_grent (&result, gr,
buffer, buflen, errnop);
- if (parse_res == -1)
- return NSS_STATUS_TRYAGAIN;
+ if (__builtin_expect (parse_res == -1, 0))
+ {
+ *errnop = ERANGE;
+ retval = NSS_STATUS_TRYAGAIN;
+ goto freeres;
+ }
- ++next_entry;
+ 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 NSS_STATUS_SUCCESS;
+ return retval;
}
enum nss_status
return status;
}
- parse_res = _nss_nisplus_parse_grent (result, 0, gr, buffer, buflen, errnop);
+ parse_res = _nss_nisplus_parse_grent (result, gr, buffer, buflen, errnop);
nis_freeresult (result);
if (__builtin_expect (parse_res < 1, 0))
{
return status;
}
- parse_res = _nss_nisplus_parse_grent (result, 0, gr, buffer, buflen, errnop);
+ parse_res = _nss_nisplus_parse_grent (result, gr, buffer, buflen, errnop);
nis_freeresult (result);
if (__builtin_expect (parse_res < 1, 0))
#define NISENTRYLEN(idx, col, res) \
(NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
+#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)
+
int
-_nss_nisplus_parse_pwent_chk (nis_result *result, struct passwd *pw,
- char *buffer, size_t buflen, int *errnop)
+_nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw,
+ char *buffer, size_t buflen, int *errnop)
{
if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
|| NIS_RES_NUMOBJ (result) != 1
|| NIS_RES_OBJECT (result)->EN_data.en_cols.en_cols_len < 7)
return 0;
- return _nss_nisplus_parse_pwent (result, 0, pw, buffer, buflen, errnop);
-}
-
-
-int
-_nss_nisplus_parse_pwent (nis_result *result, size_t entry, struct passwd *pw,
- char *buffer, size_t buflen, int *errnop)
-{
+ nis_object *obj = NIS_RES_OBJECT (result);
char *first_unused = buffer;
size_t room_left = buflen;
size_t len;
- if (NISENTRYLEN (entry, 0, result) >= room_left)
+ if (NISOBJLEN (0, obj) >= room_left)
{
/* The line is too long for our buffer. */
no_more_room:
return -1;
}
- strncpy (first_unused, NISENTRYVAL (entry, 0, result),
- NISENTRYLEN (entry, 0, result));
- first_unused[NISENTRYLEN (entry, 0, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (0, obj), NISOBJLEN (0, obj));
+ first_unused[NISOBJLEN (0, obj)] = '\0';
len = strlen (first_unused);
if (len == 0) /* No name ? Should never happen, database is corrupt */
return 0;
room_left -= len + 1;
first_unused += len + 1;
- if (NISENTRYLEN (entry, 1, result) >= room_left)
+ if (NISOBJLEN (1, obj) >= room_left)
goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (entry, 1, result),
- NISENTRYLEN (entry, 1, result));
- first_unused[NISENTRYLEN (entry, 1, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (1, obj), NISOBJLEN (1, obj));
+ first_unused[NISOBJLEN (1, obj)] = '\0';
pw->pw_passwd = first_unused;
len = strlen (first_unused);
room_left -= len + 1;
first_unused += len + 1;
- char *numstr = NISENTRYVAL (entry, 2, result);
- len = NISENTRYLEN (entry, 2, result);
+ char *numstr = NISOBJVAL (2, obj);
+ len = NISOBJLEN (2, obj);
if (len == 0 && numstr[len - 1] != '\0')
{
if (len >= room_left)
return 0;
pw->pw_uid = strtoul (numstr, NULL, 10);
- numstr = NISENTRYVAL (entry, 3, result);
- len = NISENTRYLEN (entry, 3, result);
+ numstr = NISOBJVAL (3, obj);
+ len = NISOBJLEN (3, obj);
if (len == 0 && numstr[len - 1] != '\0')
{
if (len >= room_left)
return 0;
pw->pw_gid = strtoul (numstr, NULL, 10);
- if (NISENTRYLEN(entry, 4, result) >= room_left)
+ if (NISOBJLEN(4, obj) >= room_left)
goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (entry, 4, result),
- NISENTRYLEN (entry, 4, result));
- first_unused[NISENTRYLEN (entry, 4, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (4, obj), NISOBJLEN (4, obj));
+ first_unused[NISOBJLEN (4, obj)] = '\0';
pw->pw_gecos = first_unused;
len = strlen (first_unused);
room_left -= len + 1;
first_unused += len + 1;
- if (NISENTRYLEN (entry, 5, result) >= room_left)
+ if (NISOBJLEN (5, obj) >= room_left)
goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (entry, 5, result),
- NISENTRYLEN (entry, 5, result));
- first_unused[NISENTRYLEN (entry, 5, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (5, obj), NISOBJLEN (5, obj));
+ first_unused[NISOBJLEN (5, obj)] = '\0';
pw->pw_dir = first_unused;
len = strlen (first_unused);
room_left -= len + 1;
first_unused += len + 1;
- if (NISENTRYLEN (entry, 6, result) >= room_left)
+ if (NISOBJLEN (6, obj) >= room_left)
goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (entry, 6, result),
- NISENTRYLEN (entry, 6, result));
- first_unused[NISENTRYLEN (entry, 6, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (6, obj), NISOBJLEN (6, obj));
+ first_unused[NISOBJLEN (6, obj)] = '\0';
pw->pw_shell = first_unused;
len = strlen (first_unused);
room_left -= len + 1;
int
-_nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr,
+_nss_nisplus_parse_grent (nis_result *result, struct group *gr,
char *buffer, size_t buflen, int *errnop)
{
+ if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
+ || __type_of(NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ
+ || strcmp (NIS_RES_OBJECT (result)[0].EN_data.en_type, "group_tbl") != 0
+ || NIS_RES_OBJECT (result)[0].EN_data.en_cols.en_cols_len < 4)
+ return 0;
+
+ nis_object *obj = NIS_RES_OBJECT (result);
char *first_unused = buffer;
size_t room_left = buflen;
char *line;
int count;
size_t len;
- if (result == NULL)
- return 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)[entry].EN_data.en_type,
- "group_tbl") != 0
- || NIS_RES_OBJECT (result)[entry].EN_data.en_cols.en_cols_len < 4)
- return 0;
-
- if (NISENTRYLEN (entry, 0, result) >= room_left)
+ if (NISOBJLEN (0, obj) >= room_left)
{
/* The line is too long for our buffer. */
no_more_room:
return -1;
}
- strncpy (first_unused, NISENTRYVAL (entry, 0, result),
- NISENTRYLEN (entry, 0, result));
- first_unused[NISENTRYLEN (entry, 0, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (0, obj), NISOBJLEN (0, obj));
+ first_unused[NISOBJLEN (0, obj)] = '\0';
len = strlen (first_unused);
if (len == 0) /* group table is corrupt */
return 0;
room_left -= len + 1;
first_unused += len + 1;
- if (NISENTRYLEN (entry, 1, result) >= room_left)
+ if (NISOBJLEN (1, obj) >= room_left)
goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (entry, 1, result),
- NISENTRYLEN (entry, 1, result));
- first_unused[NISENTRYLEN (entry, 1, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (1, obj), NISOBJLEN (1, obj));
+ first_unused[NISOBJLEN (1, obj)] = '\0';
gr->gr_passwd = first_unused;
len = strlen (first_unused);
room_left -= len + 1;
first_unused += len + 1;
- char *numstr = NISENTRYVAL (entry, 2, result);
- len = NISENTRYLEN (entry, 2, result);
- if (len == 0 && numstr[len - 1] != '\0')
+ char *numstr = NISOBJVAL (2, obj);
+ len = NISOBJLEN (2, obj);
+ if (len == 0 || numstr[len - 1] != '\0')
{
if (len >= room_left)
goto no_more_room;
return 0;
gr->gr_gid = strtoul (numstr, NULL, 10);
- if (NISENTRYLEN (entry, 3, result) >= room_left)
+ if (NISOBJLEN (3, obj) >= room_left)
goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (entry, 3, result),
- NISENTRYLEN (entry, 3, result));
- first_unused[NISENTRYLEN (entry, 3, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (3, obj), NISOBJLEN (3, obj));
+ first_unused[NISOBJLEN (3, obj)] = '\0';
line = first_unused;
len = strlen (line);
room_left -= len + 1;
#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)
-/* Previous result of iteration. */
-static nis_result *result;
+/* Connection information. */
+static ib_request *ibreq;
+static directory_obj *dir;
+static dir_binding bptr;
+static char *tablepath;
+static char *tableptr;
+/* Cursor. */
+static netobj cursor;
-/* All results of batch table load. */
-static nis_result *cached_results;
-static size_t cached_results_iter;
nis_name pwd_tablename_val attribute_hidden;
size_t pwd_tablename_len attribute_hidden;
static void
internal_nisplus_endpwent (void)
{
- if (cached_results != NULL)
- {
- nis_freeresult (cached_results);
- cached_results = NULL;
- cached_results_iter = 0;
- }
+ __nisbind_destroy (&bptr);
+ memset (&bptr, '\0', sizeof (bptr));
- if (result != NULL)
- {
- nis_freeresult (result);
- result = NULL;
- }
+ 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;
+ enum nss_status status = NSS_STATUS_SUCCESS;
- cached_results = nis_list (pwd_tablename_val, FOLLOW_PATH | FOLLOW_LINKS,
- NULL, NULL);
+ if (pwd_tablename_val == NULL)
+ status = _nss_pwd_create_tablename (errnop);
- if (cached_results == NULL)
- {
- *errnop = errno;
- status = NSS_STATUS_TRYAGAIN;
- }
- else if (__builtin_expect ((status = niserr2nss (cached_results->status))
- != NSS_STATUS_SUCCESS, 0))
- {
- nis_freeresult (cached_results);
- cached_results = NULL;
- }
- else if (__builtin_expect (__type_of (NIS_RES_OBJECT (cached_results))
- != NIS_ENTRY_OBJ
- || strcmp (NIS_RES_OBJECT (cached_results)->EN_data.en_type,
- "passwd_tbl") != 0
- || NIS_RES_OBJECT (cached_results)->EN_data.en_cols.en_cols_len < 7,
- 0))
+ if (status == NSS_STATUS_SUCCESS)
{
- nis_freeresult (cached_results);
- cached_results = NULL;
- status = NSS_STATUS_NOTFOUND;
+ 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 = NSS_STATUS_SUCCESS;
+ enum nss_status status;
__libc_lock_lock (lock);
internal_nisplus_endpwent ();
- if (pwd_tablename_val == NULL)
- {
- // XXX We need to be able to set errno. Pass in new parameter.
- int err;
- status = _nss_pwd_create_tablename (&err);
- }
-
- if (status == NSS_STATUS_SUCCESS
- && (_nsl_default_nss () & NSS_FLAG_SETENT_BATCH_READ))
- {
- // XXX We need to be able to set errno. Pass in new parameter.
- int err;
- status = internal_nisplus_setpwent (&err);
- }
+ // XXX We need to be able to set errno. Pass in new parameter.
+ int err;
+ status = internal_nisplus_setpwent (&err);
__libc_lock_unlock (lock);
int *errnop)
{
int parse_res = -1;
- nis_result *saved_res = NULL;
+ enum nss_status retval = NSS_STATUS_SUCCESS;
/* Get the next entry until we found a correct one. */
do
{
- if (cached_results != NULL)
+ nis_error status;
+ nis_result result;
+ memset (&result, '\0', sizeof (result));
+
+ if (cursor.n_bytes == NULL)
{
- handle_batch_read:
- /* See whether we reported the last problem. */
- if (cached_results_iter >= NIS_RES_NUMOBJ (cached_results))
- return NSS_STATUS_NOTFOUND;
-
- parse_res = _nss_nisplus_parse_pwent (cached_results,
- cached_results_iter, pw,
- buffer, buflen, errnop);
+ 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
{
- if (result == NULL)
- {
- if (pwd_tablename_val == NULL)
- {
- enum nss_status status = _nss_pwd_create_tablename (errnop);
-
- if (status != NSS_STATUS_SUCCESS)
- return status;
- }
-
- /* Determine whether we should instead read all entries at
- once. */
- if (_nsl_default_nss () & NSS_FLAG_SETENT_BATCH_READ)
- {
- enum nss_status status = internal_nisplus_setpwent (errnop);
-
- if (status == NSS_STATUS_SUCCESS && cached_results != NULL)
- goto handle_batch_read;
- }
-
- saved_res = NULL;
-
- result = nis_first_entry (pwd_tablename_val);
- if (result == NULL)
- {
- *errnop = errno;
- return NSS_STATUS_TRYAGAIN;
- }
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- return niserr2nss (result->status);
- }
- else
- {
- saved_res = result;
- result = nis_next_entry (pwd_tablename_val, &result->cookie);
- if (result == NULL)
- {
- *errnop = errno;
- return NSS_STATUS_TRYAGAIN;
- }
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- nis_freeresult (saved_res);
- return niserr2nss (result->status);
- }
- }
+ 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;
+ }
- parse_res = _nss_nisplus_parse_pwent_chk (result, pw, buffer,
- buflen, errnop);
+ 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 (__builtin_expect (parse_res == -1, 0))
{
- if (cached_results == NULL)
- {
- nis_freeresult (result);
- result = saved_res;
- }
*errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
+ retval = NSS_STATUS_TRYAGAIN;
+ goto freeres;
}
- if (cached_results != NULL)
- ++cached_results_iter;
- else
- if (saved_res)
- {
- nis_freeresult (saved_res);
- saved_res = NULL;
- }
+ 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 NSS_STATUS_SUCCESS;
+ return retval;
}
enum nss_status
return status;
}
- parse_res = _nss_nisplus_parse_pwent_chk (result, pw, buffer, buflen,
- errnop);
+ parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen, errnop);
nis_freeresult (result);
return status;
}
- parse_res = _nss_nisplus_parse_pwent_chk (result, pw, buffer, buflen,
- errnop);
+ parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen, errnop);
nis_freeresult (result);
/*
* now the rest ...
*/
- /* We have to add the const since the `struct xdr_ops' in `struct XDR'
+ /* We have to add the cast since the `struct xdr_ops' in `struct XDR'
is not `const'. */
xdrs->x_ops = (struct xdr_ops *) &xdrrec_ops;
xdrs->x_private = (caddr_t) rstrm;
projects / external / glibc.git / commitdiff