diff options
| author | David Howells <dhowells@redhat.com> | 2019-06-26 23:02:33 +0300 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2019-06-28 01:02:12 +0300 |
| commit | a58946c158a040068e7c94dc1d58bbd273258068 (patch) | |
| tree | e655258b700359cdfd9f762c099b7587dc0eed9b /net/dns_resolver | |
| parent | 9b242610514fe387ef957bce05e1fdd3efd60359 (diff) | |
| download | linux-a58946c158a040068e7c94dc1d58bbd273258068.tar.xz | |
keys: Pass the network namespace into request_key mechanism
Create a request_key_net() function and use it to pass the network
namespace domain tag into DNS revolver keys and rxrpc/AFS keys so that keys
for different domains can coexist in the same keyring.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: netdev@vger.kernel.org
cc: linux-nfs@vger.kernel.org
cc: linux-cifs@vger.kernel.org
cc: linux-afs@lists.infradead.org
Diffstat (limited to 'net/dns_resolver')
| -rw-r--r-- | net/dns_resolver/dns_query.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/dns_resolver/dns_query.c b/net/dns_resolver/dns_query.c index 2d260432b3be..cab4e0df924f 100644 --- a/net/dns_resolver/dns_query.c +++ b/net/dns_resolver/dns_query.c @@ -40,6 +40,7 @@ #include <linux/cred.h> #include <linux/dns_resolver.h> #include <linux/err.h> +#include <net/net_namespace.h> #include <keys/dns_resolver-type.h> #include <keys/user-type.h> @@ -48,6 +49,7 @@ /** * dns_query - Query the DNS + * @net: The network namespace to operate in. * @type: Query type (or NULL for straight host->IP lookup) * @name: Name to look up * @namelen: Length of name @@ -69,7 +71,8 @@ * * Returns the size of the result on success, -ve error code otherwise. */ -int dns_query(const char *type, const char *name, size_t namelen, +int dns_query(struct net *net, + const char *type, const char *name, size_t namelen, const char *options, char **_result, time64_t *_expiry, bool invalidate) { @@ -122,7 +125,7 @@ int dns_query(const char *type, const char *name, size_t namelen, * add_key() to preinstall malicious redirections */ saved_cred = override_creds(dns_resolver_cache); - rkey = request_key(&key_type_dns_resolver, desc, options); + rkey = request_key_net(&key_type_dns_resolver, desc, net, options); revert_creds(saved_cred); kfree(desc); if (IS_ERR(rkey)) { |