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| author | Jeff Layton <jlayton@poochiereds.net> | 2014-06-22 04:52:16 +0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-07-13 02:41:20 +0400 |
| commit | a0337d1ddb5a4bd609e3ff0955551cb240340340 (patch) | |
| tree | 70aaa98dc13ac50b41f4741b620b8954508f9728 /net/sunrpc/auth_gss | |
| parent | 2004c726b9d9a9670b7f837190be9c8dfa7a0e9d (diff) | |
| download | linux-a0337d1ddb5a4bd609e3ff0955551cb240340340.tar.xz | |
sunrpc: add a new "stringify_acceptor" rpc_credop
...and add an new rpc_auth function to call it when it exists. This
is only applicable for AUTH_GSS mechanisms, so we only specify this
for those sorts of credentials.
Signed-off-by: Jeff Layton <jlayton@poochiereds.net>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'net/sunrpc/auth_gss')
| -rw-r--r-- | net/sunrpc/auth_gss/auth_gss.c | 62 |
1 files changed, 42 insertions, 20 deletions
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index e34af68603bd..73854314fb85 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -1346,6 +1346,26 @@ gss_cred_init(struct rpc_auth *auth, struct rpc_cred *cred) return err; } +static char * +gss_stringify_acceptor(struct rpc_cred *cred) +{ + char *string; + struct gss_cred *gss_cred = container_of(cred, struct gss_cred, gc_base); + struct xdr_netobj *acceptor = &gss_cred->gc_ctx->gc_acceptor; + + /* no point if there's no string */ + if (!acceptor->len) + return NULL; + + string = kmalloc(acceptor->len + 1, GFP_KERNEL); + if (!string) + return string; + + memcpy(string, acceptor->data, acceptor->len); + string[acceptor->len] = '\0'; + return string; +} + /* * Returns -EACCES if GSS context is NULL or will expire within the * timeout (miliseconds) @@ -1923,29 +1943,31 @@ static const struct rpc_authops authgss_ops = { }; static const struct rpc_credops gss_credops = { - .cr_name = "AUTH_GSS", - .crdestroy = gss_destroy_cred, - .cr_init = gss_cred_init, - .crbind = rpcauth_generic_bind_cred, - .crmatch = gss_match, - .crmarshal = gss_marshal, - .crrefresh = gss_refresh, - .crvalidate = gss_validate, - .crwrap_req = gss_wrap_req, - .crunwrap_resp = gss_unwrap_resp, - .crkey_timeout = gss_key_timeout, + .cr_name = "AUTH_GSS", + .crdestroy = gss_destroy_cred, + .cr_init = gss_cred_init, + .crbind = rpcauth_generic_bind_cred, + .crmatch = gss_match, + .crmarshal = gss_marshal, + .crrefresh = gss_refresh, + .crvalidate = gss_validate, + .crwrap_req = gss_wrap_req, + .crunwrap_resp = gss_unwrap_resp, + .crkey_timeout = gss_key_timeout, + .crstringify_acceptor = gss_stringify_acceptor, }; static const struct rpc_credops gss_nullops = { - .cr_name = "AUTH_GSS", - .crdestroy = gss_destroy_nullcred, - .crbind = rpcauth_generic_bind_cred, - .crmatch = gss_match, - .crmarshal = gss_marshal, - .crrefresh = gss_refresh_null, - .crvalidate = gss_validate, - .crwrap_req = gss_wrap_req, - .crunwrap_resp = gss_unwrap_resp, + .cr_name = "AUTH_GSS", + .crdestroy = gss_destroy_nullcred, + .crbind = rpcauth_generic_bind_cred, + .crmatch = gss_match, + .crmarshal = gss_marshal, + .crrefresh = gss_refresh_null, + .crvalidate = gss_validate, + .crwrap_req = gss_wrap_req, + .crunwrap_resp = gss_unwrap_resp, + .crstringify_acceptor = gss_stringify_acceptor, }; static const struct rpc_pipe_ops gss_upcall_ops_v0 = { |