diff options
Diffstat (limited to 'net/dns_resolver')
| -rw-r--r-- | net/dns_resolver/dns_key.c | 20 | ||||
| -rw-r--r-- | net/dns_resolver/dns_query.c | 11 | ||||
| -rw-r--r-- | net/dns_resolver/internal.h | 3 |
3 files changed, 15 insertions, 19 deletions
diff --git a/net/dns_resolver/dns_key.c b/net/dns_resolver/dns_key.c index 8aa4b111538..bf858433904 100644 --- a/net/dns_resolver/dns_key.c +++ b/net/dns_resolver/dns_key.c @@ -19,8 +19,7 @@ * the GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License - * along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * along with this library; if not, see <http://www.gnu.org/licenses/>. */ #include <linux/module.h> #include <linux/moduleparam.h> @@ -118,7 +117,7 @@ dns_resolver_instantiate(struct key *key, struct key_preparsed_payload *prep) if (opt_vlen <= 0) goto bad_option_value; - ret = strict_strtoul(eq, 10, &derrno); + ret = kstrtoul(eq, 10, &derrno); if (ret < 0) goto bad_option_value; @@ -259,20 +258,16 @@ static int __init init_dns_resolver(void) if (!cred) return -ENOMEM; - keyring = key_alloc(&key_type_keyring, ".dns_resolver", - GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, cred, - (KEY_POS_ALL & ~KEY_POS_SETATTR) | - KEY_USR_VIEW | KEY_USR_READ, - KEY_ALLOC_NOT_IN_QUOTA); + keyring = keyring_alloc(".dns_resolver", + GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, cred, + (KEY_POS_ALL & ~KEY_POS_SETATTR) | + KEY_USR_VIEW | KEY_USR_READ, + KEY_ALLOC_NOT_IN_QUOTA, NULL); if (IS_ERR(keyring)) { ret = PTR_ERR(keyring); goto failed_put_cred; } - ret = key_instantiate_and_link(keyring, NULL, 0, NULL, NULL); - if (ret < 0) - goto failed_put_key; - ret = register_key_type(&key_type_dns_resolver); if (ret < 0) goto failed_put_key; @@ -304,3 +299,4 @@ static void __exit exit_dns_resolver(void) module_init(init_dns_resolver) module_exit(exit_dns_resolver) MODULE_LICENSE("GPL"); + diff --git a/net/dns_resolver/dns_query.c b/net/dns_resolver/dns_query.c index c32be292c7e..dd8696a3dbe 100644 --- a/net/dns_resolver/dns_query.c +++ b/net/dns_resolver/dns_query.c @@ -32,8 +32,7 @@ * the GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License - * along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * along with this library; if not, see <http://www.gnu.org/licenses/>. */ #include <linux/module.h> @@ -94,8 +93,8 @@ int dns_query(const char *type, const char *name, size_t namelen, } if (!namelen) - namelen = strlen(name); - if (namelen < 3) + namelen = strnlen(name, 256); + if (namelen < 3 || namelen > 255) return -EINVAL; desclen += namelen + 1; @@ -150,7 +149,9 @@ int dns_query(const char *type, const char *name, size_t namelen, if (!*_result) goto put; - memcpy(*_result, upayload->data, len + 1); + memcpy(*_result, upayload->data, len); + (*_result)[len] = '\0'; + if (_expiry) *_expiry = rkey->expiry; diff --git a/net/dns_resolver/internal.h b/net/dns_resolver/internal.h index 17c7886b5b3..7af1ed39c00 100644 --- a/net/dns_resolver/internal.h +++ b/net/dns_resolver/internal.h @@ -15,8 +15,7 @@ * the GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License - * along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * along with this library; if not, see <http://www.gnu.org/licenses/>. */ #include <linux/compiler.h> |