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-rw-r--r--nss/nss_db/db-XXX.c56
-rw-r--r--nss/nss_db/db-alias.c44
-rw-r--r--nss/nss_db/db-netgrp.c33
3 files changed, 93 insertions, 40 deletions
diff --git a/nss/nss_db/db-XXX.c b/nss/nss_db/db-XXX.c
index 3839940028..8ba73efcb6 100644
--- a/nss/nss_db/db-XXX.c
+++ b/nss/nss_db/db-XXX.c
@@ -17,7 +17,7 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#include <db_185.h>
+#include <db.h>
#include <fcntl.h>
#include <bits/libc-lock.h>
#include "nsswitch.h"
@@ -60,29 +60,41 @@ static enum nss_status
internal_setent (int stayopen)
{
enum nss_status status = NSS_STATUS_SUCCESS;
+ int err;
if (db == NULL)
{
- db = __dbopen (DBFILE, O_RDONLY, 0, DB_BTREE, NULL);
+ err = __nss_db_open (DBFILE, DB_BTREE, DB_RDONLY, 0, NULL, NULL, &db);
- if (db == NULL)
- status = errno == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
+ if (err != 0)
+ {
+ __set_errno (err);
+ status = err == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
+ }
else
{
/* We have to make sure the file is `closed on exec'. */
+ int fd;
int result, flags;
- result = flags = fcntl ((*db->fd) (db), F_GETFD, 0);
+ err = db->fd (db, &fd);
+ if (err != 0)
+ {
+ __set_errno (err);
+ result = -1;
+ }
+ else
+ result = flags = fcntl (fd, F_GETFD, 0);
if (result >= 0)
{
flags |= FD_CLOEXEC;
- result = fcntl ((*db->fd) (db), F_SETFD, flags);
+ result = fcntl (fd, F_SETFD, flags);
}
if (result < 0)
{
/* Something went wrong. Close the stream and return a
failure. */
- (*db->close) (db);
+ db->close (db, 0);
db = NULL;
status = NSS_STATUS_UNAVAIL;
}
@@ -122,7 +134,7 @@ internal_endent (void)
{
if (db != NULL)
{
- (*db->close) (db);
+ db->close (db, 0);
db = NULL;
}
}
@@ -146,7 +158,7 @@ CONCAT(_nss_db_end,ENTNAME) (void)
/* Do a database lookup for KEY. */
static enum nss_status
-lookup (const DBT *key, struct STRUCTURE *result,
+lookup (DBT *key, struct STRUCTURE *result,
void *buffer, size_t buflen, int *errnop H_ERRNO_PROTO)
{
char *p;
@@ -164,17 +176,21 @@ lookup (const DBT *key, struct STRUCTURE *result,
}
/* Succeed iff it matches a value that parses correctly. */
- err = (*db->get) (db, key, &value, 0);
- if (err < 0)
- {
- *errnop = errno;
- H_ERRNO_SET (NETDB_INTERNAL);
- status = NSS_STATUS_UNAVAIL;
- }
- else if (err != 0)
+ value.flags = 0;
+ err = db->get (db, NULL, key, &value, 0);
+ if (err != 0)
{
- H_ERRNO_SET (HOST_NOT_FOUND);
- status = NSS_STATUS_NOTFOUND;
+ if (err == DB_NOTFOUND)
+ {
+ H_ERRNO_SET (HOST_NOT_FOUND);
+ status = NSS_STATUS_NOTFOUND;
+ }
+ else
+ {
+ *errnop = err;
+ H_ERRNO_SET (NETDB_INTERNAL);
+ status = NSS_STATUS_UNAVAIL;
+ }
}
else if (buflen < value.size)
{
@@ -253,6 +269,7 @@ _nss_db_get##name##_r (proto, \
const size_t size = (keysize) + 1; \
key.data = __alloca (size); \
key.size = KEYPRINTF keypattern; \
+ key.flags = 0; \
__libc_lock_lock (lock); \
status = lookup (&key, result, buffer, buflen, errnop H_ERRNO_ARG); \
__libc_lock_unlock (lock); \
@@ -281,6 +298,7 @@ CONCAT(_nss_db_get,ENTNAME_r) (struct STRUCTURE *result, char *buffer,
do
{
key.size = snprintf (key.data = buf, sizeof buf, "0%u", entidx++);
+ key.flags = 0;
status = lookup (&key, result, buffer, buflen, errnop H_ERRNO_ARG);
if (status == NSS_STATUS_TRYAGAIN
#ifdef NEED_H_ERRNO
diff --git a/nss/nss_db/db-alias.c b/nss/nss_db/db-alias.c
index 27b7952b30..81037ed5f7 100644
--- a/nss/nss_db/db-alias.c
+++ b/nss/nss_db/db-alias.c
@@ -21,7 +21,7 @@
#include <aliases.h>
#include <alloca.h>
#include <ctype.h>
-#include <db_185.h>
+#include <db.h>
#include <errno.h>
#include <fcntl.h>
#include <bits/libc-lock.h>
@@ -44,29 +44,42 @@ static enum nss_status
internal_setent (int stayopen)
{
enum nss_status status = NSS_STATUS_SUCCESS;
+ int err;
if (db == NULL)
{
- db = __dbopen (_PATH_VARDB "aliases.db", O_RDONLY, 0, DB_BTREE, NULL);
+ err = __nss_db_open (_PATH_VARDB "aliases.db", DB_BTREE, DB_RDONLY, 0,
+ NULL, NULL, &db);
- if (db == NULL)
- status = NSS_STATUS_UNAVAIL;
+ if (err != 0)
+ {
+ __set_errno (err);
+ status = NSS_STATUS_UNAVAIL;
+ }
else
{
/* We have to make sure the file is `closed on exec'. */
+ int fd;
int result, flags;
- result = flags = fcntl ((*db->fd) (db), F_GETFD, 0);
+ err = db->fd (db, &fd);
+ if (err != 0)
+ {
+ __set_errno (err);
+ result = -1;
+ }
+ else
+ result = flags = fcntl (fd, F_GETFD, 0);
if (result >= 0)
{
flags |= FD_CLOEXEC;
- result = fcntl ((*db->fd) (db), F_SETFD, flags);
+ result = fcntl (fd, F_SETFD, flags);
}
if (result < 0)
{
/* Something went wrong. Close the stream and return a
failure. */
- (*db->close) (db);
+ db->close (db, 0);
db = NULL;
status = NSS_STATUS_UNAVAIL;
}
@@ -106,7 +119,7 @@ internal_endent (void)
{
if (db != NULL)
{
- (*db->close) (db);
+ db->close (db, 0);
db = NULL;
}
}
@@ -133,7 +146,7 @@ _nss_db_endaliasent (void)
:include: statements so we simply have to parse the list and store
the result. */
static enum nss_status
-lookup (const DBT *key, struct aliasent *result, char *buffer,
+lookup (DBT *key, struct aliasent *result, char *buffer,
size_t buflen, int *errnop)
{
enum nss_status status;
@@ -142,9 +155,13 @@ lookup (const DBT *key, struct aliasent *result, char *buffer,
/* Open the database. */
status = internal_setent (keep_db);
if (status != NSS_STATUS_SUCCESS)
- return status;
+ {
+ *errnop = errno;
+ return status;
+ }
- if ((*db->get) (db, key, &value, 0) == 0)
+ value.flags = 0;
+ if (db->get (db, NULL, key, &value, 0) == 0)
{
const char *src = value.data;
@@ -228,7 +245,11 @@ _nss_db_getaliasent_r (struct aliasent *result, char *buffer, size_t buflen,
__libc_lock_lock (lock);
key.size = snprintf (key.data = buf, sizeof buf, "0%u", entidx++);
+ key.flags = 0;
status = lookup (&key, result, buffer, buflen, errnop);
+ if (status == NSS_STATUS_TRYAGAIN && *errnop == ERANGE)
+ /* Give the user a chance to get the same entry with a larger buffer. */
+ --entidx;
__libc_lock_unlock (lock);
return status;
@@ -247,6 +268,7 @@ _nss_db_getaliasbyname_r (const char *name, struct aliasent *result,
key.data = __alloca (key.size);
((char *) key.data)[0] = '.';
memcpy (&((char *) key.data)[1], name, key.size - 1);
+ key.flags = 0;
__libc_lock_lock (lock);
status = lookup (&key, result, buffer, buflen, errnop);
diff --git a/nss/nss_db/db-netgrp.c b/nss/nss_db/db-netgrp.c
index d63d1cb1af..8707d85f04 100644
--- a/nss/nss_db/db-netgrp.c
+++ b/nss/nss_db/db-netgrp.c
@@ -18,7 +18,7 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#include <db_185.h>
+#include <db.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
@@ -43,32 +43,44 @@ enum nss_status
_nss_db_setnetgrent (const char *group)
{
enum nss_status status = NSS_STATUS_SUCCESS;
+ int err;
__libc_lock_lock (lock);
/* Make sure the data base file is open. */
if (db == NULL)
{
- db = __dbopen (DBFILE, O_RDONLY, 0, DB_BTREE, NULL);
+ err = __nss_db_open (DBFILE, DB_BTREE, O_RDONLY, 0, NULL, NULL, &db);
- if (db == NULL)
- status = errno == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
+ if (err != 0)
+ {
+ __set_errno (err);
+ status = err == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
+ }
else
{
/* We have to make sure the file is `closed on exec'. */
+ int fd;
int result, flags;
- result = flags = fcntl ((*db->fd) (db), F_GETFD, 0);
+ err = db->fd (db, &fd);
+ if (err != 0)
+ {
+ __set_errno (err);
+ result = -1;
+ }
+ else
+ result = flags = fcntl (fd, F_GETFD, 0);
if (result >= 0)
{
flags |= FD_CLOEXEC;
- result = fcntl ((*db->fd) (db), F_SETFD, flags);
+ result = fcntl (fd, F_SETFD, flags);
}
if (result < 0)
{
/* Something went wrong. Close the stream and return a
failure. */
- (*db->close) (db);
+ db->close (db, 0);
db = NULL;
status = NSS_STATUS_UNAVAIL;
}
@@ -77,10 +89,11 @@ _nss_db_setnetgrent (const char *group)
if (status == NSS_STATUS_SUCCESS)
{
- DBT key = { data: (void *) group, size: strlen (group) };
+ DBT key = { data: (void *) group, size: strlen (group), flags: 0 };
DBT value;
- if ((*db->get) (db, &key, &value, 0) != 0)
+ value.flags = 0;
+ if (db->get (db, NULL, &key, &value, 0) != 0)
status = NSS_STATUS_NOTFOUND;
else
cursor = entry = value.data;
@@ -100,7 +113,7 @@ _nss_db_endnetgrent (void)
if (db != NULL)
{
- (*db->close) (db);
+ db->close (db, 0);
db = NULL;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 13:18:47 +0000