diff options
| author |   Olga Kornievskaia <aglo@citi.umich.edu> | 2008-12-23 16:19:26 -0500 |
|---|---|---|
| committer |   Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-12-23 16:19:26 -0500 |
| commit | 8b1c7bf5b624c9bc91b41ae577b9fc5c21641705 (patch) | |
| tree | 30189b6146999ba27581a84dfefa9a4ab0e09d69 /net/sunrpc | |
| parent | nfsd: support callbacks with gss flavors (diff) | |
| download | linux-dev-8b1c7bf5b624c9bc91b41ae577b9fc5c21641705.tar.xz linux-dev-8b1c7bf5b624c9bc91b41ae577b9fc5c21641705.zip | |
rpc: add target field to new upcall
This patch extends the new upcall by adding a "target" field
communicating who we want to authenticate to (equivalently, the service
principal that we want to acquire a ticket for).
Signed-off: Olga Kornievskaia <aglo@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/auth_gss/auth_gss.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index 153b3e11e61a..1e8cced55ff7 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -368,25 +368,39 @@ static void gss_encode_v0_msg(struct gss_upcall_msg *gss_msg) gss_msg->msg.len = sizeof(gss_msg->uid); } -static void gss_encode_v1_msg(struct gss_upcall_msg *gss_msg) +static void gss_encode_v1_msg(struct gss_upcall_msg *gss_msg, + struct rpc_clnt *clnt) { - gss_msg->msg.len = sprintf(gss_msg->databuf, "mech=%s uid=%d\n", + char *p = gss_msg->databuf; + int len = 0; + + gss_msg->msg.len = sprintf(gss_msg->databuf, "mech=%s uid=%d ", gss_msg->auth->mech->gm_name, gss_msg->uid); + p += gss_msg->msg.len; + if (clnt->cl_principal) { + len = sprintf(p, "target=%s ", clnt->cl_principal); + p += len; + gss_msg->msg.len += len; + } + len = sprintf(p, "\n"); + gss_msg->msg.len += len; + gss_msg->msg.data = gss_msg->databuf; BUG_ON(gss_msg->msg.len > UPCALL_BUF_LEN); } -static void gss_encode_msg(struct gss_upcall_msg *gss_msg) +static void gss_encode_msg(struct gss_upcall_msg *gss_msg, + struct rpc_clnt *clnt) { if (pipe_version == 0) gss_encode_v0_msg(gss_msg); else /* pipe_version == 1 */ - gss_encode_v1_msg(gss_msg); + gss_encode_v1_msg(gss_msg, clnt); } static inline struct gss_upcall_msg * -gss_alloc_msg(struct gss_auth *gss_auth, uid_t uid) +gss_alloc_msg(struct gss_auth *gss_auth, uid_t uid, struct rpc_clnt *clnt) { struct gss_upcall_msg *gss_msg; int vers; @@ -406,7 +420,7 @@ gss_alloc_msg(struct gss_auth *gss_auth, uid_t uid) atomic_set(&gss_msg->count, 1); gss_msg->uid = uid; gss_msg->auth = gss_auth; - gss_encode_msg(gss_msg); + gss_encode_msg(gss_msg, clnt); return gss_msg; } @@ -422,7 +436,7 @@ gss_setup_upcall(struct rpc_clnt *clnt, struct gss_auth *gss_auth, struct rpc_cr if (gss_cred->gc_machine_cred != 0) uid = 0; - gss_new = gss_alloc_msg(gss_auth, uid); + gss_new = gss_alloc_msg(gss_auth, uid, clnt); if (IS_ERR(gss_new)) return gss_new; gss_msg = gss_add_msg(gss_auth, gss_new); |