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| author | Kevin Coffman <kwc@citi.umich.edu> | 2007-11-09 18:42:09 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-11-17 13:08:46 -0500 |
| commit | ef338bee3f4f509e82066e100f76fecbbbbc4cca (patch) | |
| tree | 833662511977c31a81374ee1627be950d59fafd2 /net/sunrpc/auth_gss/gss_krb5_mech.c | |
| parent | ffc40f569272b6be60c66441aeae79a686ff54d9 (diff) | |
| download | linux-ef338bee3f4f509e82066e100f76fecbbbbc4cca.tar.gz | |
sunrpc: return error if unsupported enctype or cksumtype is encountered
Return an error from gss_import_sec_context_kerberos if the
negotiated context contains encryption or checksum types not
supported by the kernel code.
This fixes an Oops because success was assumed and later code found
no internal_ctx_id.
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/auth_gss/gss_krb5_mech.c')
| -rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_mech.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c index 9843eacef11dc4..60c3dba545d7c8 100644 --- a/net/sunrpc/auth_gss/gss_krb5_mech.c +++ b/net/sunrpc/auth_gss/gss_krb5_mech.c @@ -147,13 +147,17 @@ gss_import_sec_context_kerberos(const void *p, p = simple_get_bytes(p, end, &tmp, sizeof(tmp)); if (IS_ERR(p)) goto out_err_free_ctx; - if (tmp != SGN_ALG_DES_MAC_MD5) + if (tmp != SGN_ALG_DES_MAC_MD5) { + p = ERR_PTR(-ENOSYS); goto out_err_free_ctx; + } p = simple_get_bytes(p, end, &tmp, sizeof(tmp)); if (IS_ERR(p)) goto out_err_free_ctx; - if (tmp != SEAL_ALG_DES) + if (tmp != SEAL_ALG_DES) { + p = ERR_PTR(-ENOSYS); goto out_err_free_ctx; + } p = simple_get_bytes(p, end, &ctx->endtime, sizeof(ctx->endtime)); if (IS_ERR(p)) goto out_err_free_ctx; |