aboutsummaryrefslogtreecommitdiff
path: root/nss
diff options
context:
space:
mode:
Diffstat (limited to 'nss')
-rw-r--r--nss/nss_db/db-XXX.c24
-rw-r--r--nss/nss_db/db-alias.c22
-rw-r--r--nss/nss_db/db-netgrp.c20
-rw-r--r--nss/nss_files/files-XXX.c21
-rw-r--r--nss/nss_files/files-alias.c23
-rw-r--r--nss/nss_files/files-hosts.c20
6 files changed, 118 insertions, 12 deletions
diff --git a/nss/nss_db/db-XXX.c b/nss/nss_db/db-XXX.c
index 0c1b1ad..54e7a75 100644
--- a/nss/nss_db/db-XXX.c
+++ b/nss/nss_db/db-XXX.c
@@ -1,5 +1,5 @@
/* Common code for DB-based databases in nss_db module.
- Copyright (C) 1996 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997 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
@@ -66,7 +66,27 @@ internal_setent (int stayopen)
db = __dbopen (DBFILE, O_RDONLY, 0, DB_BTREE, NULL);
if (db == NULL)
- status = NSS_STATUS_UNAVAIL;
+ status = errno == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
+ else
+ {
+ /* We have to make sure the file is `closed on exec'. */
+ int result, flags;
+
+ result = flags = fcntl ((*db->fd) (db), F_GETFD, 0);
+ if (result >= 0)
+ {
+ flags |= FD_CLOEXEC;
+ result = fcntl ((*db->fd) (db), F_SETFD, flags);
+ }
+ if (result < 0)
+ {
+ /* Something went wrong. Close the stream and return a
+ failure. */
+ (*db->close) (db);
+ db = NULL;
+ status = NSS_STATUS_UNAVAIL;
+ }
+ }
}
/* Remember STAYOPEN flag. */
diff --git a/nss/nss_db/db-alias.c b/nss/nss_db/db-alias.c
index 8b8cb41..810fc3a 100644
--- a/nss/nss_db/db-alias.c
+++ b/nss/nss_db/db-alias.c
@@ -1,5 +1,5 @@
/* Mail alias file parser in nss_db module.
- Copyright (C) 1996 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -51,6 +51,26 @@ internal_setent (int stayopen)
if (db == NULL)
status = NSS_STATUS_UNAVAIL;
+ else
+ {
+ /* We have to make sure the file is `closed on exec'. */
+ int result, flags;
+
+ result = flags = fcntl ((*db->fd) (db), F_GETFD, 0);
+ if (result >= 0)
+ {
+ flags |= FD_CLOEXEC;
+ result = fcntl ((*db->fd) (db), F_SETFD, flags);
+ }
+ if (result < 0)
+ {
+ /* Something went wrong. Close the stream and return a
+ failure. */
+ (*db->close) (db);
+ db = NULL;
+ status = NSS_STATUS_UNAVAIL;
+ }
+ }
}
/* Remember STAYOPEN flag. */
diff --git a/nss/nss_db/db-netgrp.c b/nss/nss_db/db-netgrp.c
index e716dd0..c301789 100644
--- a/nss/nss_db/db-netgrp.c
+++ b/nss/nss_db/db-netgrp.c
@@ -53,6 +53,26 @@ _nss_db_setnetgrent (const char *group)
if (db == NULL)
status = errno == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
+ else
+ {
+ /* We have to make sure the file is `closed on exec'. */
+ int result, flags;
+
+ result = flags = fcntl ((*db->fd) (db), F_GETFD, 0);
+ if (result >= 0)
+ {
+ flags |= FD_CLOEXEC;
+ result = fcntl ((*db->fd) (db), F_SETFD, flags);
+ }
+ if (result < 0)
+ {
+ /* Something went wrong. Close the stream and return a
+ failure. */
+ (*db->close) (db);
+ db = NULL;
+ status = NSS_STATUS_UNAVAIL;
+ }
+ }
}
if (status == NSS_STATUS_SUCCESS)
diff --git a/nss/nss_files/files-XXX.c b/nss/nss_files/files-XXX.c
index 3281580..e80c06d 100644
--- a/nss/nss_files/files-XXX.c
+++ b/nss/nss_files/files-XXX.c
@@ -21,6 +21,7 @@
#include <ctype.h>
#include <assert.h>
#include <errno.h>
+#include <fcntl.h>
#include <bits/libc-lock.h>
#include "nsswitch.h"
@@ -72,6 +73,26 @@ internal_setent (int stayopen)
if (stream == NULL)
status = NSS_STATUS_UNAVAIL;
+ else
+ {
+ /* We have to make sure the file is `closed on exec'. */
+ int result, flags;
+
+ result = flags = fcntl (fileno (stream), F_GETFD, 0);
+ if (result >= 0)
+ {
+ flags |= FD_CLOEXEC;
+ result = fcntl (fileno (stream), F_SETFD, flags);
+ }
+ if (result < 0)
+ {
+ /* Something went wrong. Close the stream and return a
+ failure. */
+ fclose (stream);
+ stream = NULL;
+ status = NSS_STATUS_UNAVAIL;
+ }
+ }
}
else
rewind (stream);
diff --git a/nss/nss_files/files-alias.c b/nss/nss_files/files-alias.c
index 99217fa..0a910aa 100644
--- a/nss/nss_files/files-alias.c
+++ b/nss/nss_files/files-alias.c
@@ -1,5 +1,5 @@
/* Mail alias file parser in nss_files module.
- Copyright (C) 1996 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -21,6 +21,7 @@
#include <aliases.h>
#include <ctype.h>
#include <errno.h>
+#include <fcntl.h>
#include <bits/libc-lock.h>
#include <stdlib.h>
#include <stdio.h>
@@ -49,6 +50,26 @@ internal_setent (void)
if (stream == NULL)
status = NSS_STATUS_UNAVAIL;
+ else
+ {
+ /* We have to make sure the file is `closed on exec'. */
+ int result, flags;
+
+ result = flags = fcntl (fileno (stream), F_GETFD, 0);
+ if (result >= 0)
+ {
+ flags |= FD_CLOEXEC;
+ result = fcntl (fileno (stream), F_SETFD, flags);
+ }
+ if (result < 0)
+ {
+ /* Something went wrong. Close the stream and return a
+ failure. */
+ fclose (stream);
+ stream = NULL;
+ status = NSS_STATUS_UNAVAIL;
+ }
+ }
}
else
rewind (stream);
diff --git a/nss/nss_files/files-hosts.c b/nss/nss_files/files-hosts.c
index 239dea7..d6c4152 100644
--- a/nss/nss_files/files-hosts.c
+++ b/nss/nss_files/files-hosts.c
@@ -50,12 +50,7 @@ LINE_PARSER
STRING_FIELD (addr, isspace, 1);
/* Parse address. */
- if (inet_pton (AF_INET6, p, entdata->host_addr) > 0)
- {
- result->h_addrtype = AF_INET6;
- result->h_length = IN6ADDRSZ;
- }
- else if (inet_pton (AF_INET, addr, entdata->host_addr) > 0)
+ if (inet_pton (AF_INET, addr, entdata->host_addr) > 0)
{
if (_res.options & RES_USE_INET6)
{
@@ -70,6 +65,11 @@ LINE_PARSER
result->h_length = INADDRSZ;
}
}
+ else if (inet_pton (AF_INET6, addr, entdata->host_addr) > 0)
+ {
+ result->h_addrtype = AF_INET6;
+ result->h_length = IN6ADDRSZ;
+ }
else
/* Illegal address: ignore line. */
return 0;
@@ -85,8 +85,12 @@ LINE_PARSER
#include "files-XXX.c"
DB_LOOKUP (hostbyname, ,,
- LOOKUP_NAME (h_name, h_aliases),
- const char *name)
+ {
+ if (result->h_addrtype != ((_res.options & RES_USE_INET6)
+ ? AF_INET6 : AF_INET))
+ continue;
+ LOOKUP_NAME (h_name, h_aliases)
+ }, const char *name)
DB_LOOKUP (hostbyname2, ,,
{
generated by cgit v1.1 at 2024-12-13 22:12:34 +0000