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| author | Trond Myklebust <trondmy@gmail.com> | 2019-04-24 17:46:44 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-04-26 16:24:32 -0400 |
| commit | 283ebe3ec4157c5cdc2581ed7e5c3764137f8fe5 (patch) | |
| tree | c595d3c0e71de0d85f268970a18cc25425fd9b13 /net/sunrpc/auth_unix.c | |
| parent | 1a58e8a0e5c1f188a80eb9e505bc77d78a31a4ec (diff) | |
| download | lwn-283ebe3ec4157c5cdc2581ed7e5c3764137f8fe5.tar.gz lwn-283ebe3ec4157c5cdc2581ed7e5c3764137f8fe5.zip | |
SUNRPC: Use the client user namespace when encoding creds
When encoding AUTH_UNIX creds and AUTH_GSS upcalls, use the user namespace
of the process that created the rpc client.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/auth_unix.c')
| -rw-r--r-- | net/sunrpc/auth_unix.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/sunrpc/auth_unix.c b/net/sunrpc/auth_unix.c index d4018e5a24c5..e7df1f782b2e 100644 --- a/net/sunrpc/auth_unix.c +++ b/net/sunrpc/auth_unix.c @@ -107,6 +107,8 @@ unx_marshal(struct rpc_task *task, struct xdr_stream *xdr) __be32 *p, *cred_len, *gidarr_len; int i; struct group_info *gi = cred->cr_cred->group_info; + struct user_namespace *userns = clnt->cl_cred ? + clnt->cl_cred->user_ns : &init_user_ns; /* Credential */ @@ -122,14 +124,13 @@ unx_marshal(struct rpc_task *task, struct xdr_stream *xdr) p = xdr_reserve_space(xdr, 3 * sizeof(*p)); if (!p) goto marshal_failed; - *p++ = cpu_to_be32(from_kuid(&init_user_ns, cred->cr_cred->fsuid)); - *p++ = cpu_to_be32(from_kgid(&init_user_ns, cred->cr_cred->fsgid)); + *p++ = cpu_to_be32(from_kuid_munged(userns, cred->cr_cred->fsuid)); + *p++ = cpu_to_be32(from_kgid_munged(userns, cred->cr_cred->fsgid)); gidarr_len = p++; if (gi) for (i = 0; i < UNX_NGROUPS && i < gi->ngroups; i++) - *p++ = cpu_to_be32(from_kgid(&init_user_ns, - gi->gid[i])); + *p++ = cpu_to_be32(from_kgid_munged(userns, gi->gid[i])); *gidarr_len = cpu_to_be32(p - gidarr_len - 1); *cred_len = cpu_to_be32((p - cred_len - 1) << 2); p = xdr_reserve_space(xdr, (p - gidarr_len - 1) << 2); |