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| author | Kevin Coffman <kwc@citi.umich.edu> | 2010-03-17 13:03:02 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-05-14 15:09:19 -0400 |
| commit | 8b23707612cffdba694dcd18aa8a018918aa86dc (patch) | |
| tree | 3dd484658768c0a710b252a674c697124380b223 /net/sunrpc/auth_gss/gss_krb5_unseal.c | |
| parent | bf6d359c508cf83401c942262a9749752598394d (diff) | |
| download | blackbird-op-linux-8b23707612cffdba694dcd18aa8a018918aa86dc.tar.gz blackbird-op-linux-8b23707612cffdba694dcd18aa8a018918aa86dc.zip | |
gssd_krb5: arcfour-hmac support
For arcfour-hmac support, the make_checksum function needs a usage
field to correctly calculate the checksum differently for MIC and
WRAP tokens.
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
Signed-off-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/auth_gss/gss_krb5_unseal.c')
| -rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_unseal.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/net/sunrpc/auth_gss/gss_krb5_unseal.c b/net/sunrpc/auth_gss/gss_krb5_unseal.c index 4ede4cc4391f..ef91366e3dea 100644 --- a/net/sunrpc/auth_gss/gss_krb5_unseal.c +++ b/net/sunrpc/auth_gss/gss_krb5_unseal.c @@ -115,7 +115,7 @@ gss_verify_mic_v1(struct krb5_ctx *ctx, cksumkey = NULL; if (make_checksum(ctx, ptr, 8, message_buffer, 0, - cksumkey, &md5cksum)) + cksumkey, KG_USAGE_SIGN, &md5cksum)) return GSS_S_FAILURE; if (memcmp(md5cksum.data, ptr + GSS_KRB5_TOK_HDR_LEN, @@ -154,6 +154,7 @@ gss_verify_mic_v2(struct krb5_ctx *ctx, u8 *cksumkey; u8 flags; int i; + unsigned int cksum_usage; dprintk("RPC: %s\n", __func__); @@ -174,13 +175,16 @@ gss_verify_mic_v2(struct krb5_ctx *ctx, if (ptr[i] != 0xff) return GSS_S_DEFECTIVE_TOKEN; - if (ctx->initiate) + if (ctx->initiate) { cksumkey = ctx->acceptor_sign; - else + cksum_usage = KG_USAGE_ACCEPTOR_SIGN; + } else { cksumkey = ctx->initiator_sign; + cksum_usage = KG_USAGE_INITIATOR_SIGN; + } if (make_checksum_v2(ctx, ptr, GSS_KRB5_TOK_HDR_LEN, message_buffer, 0, - cksumkey, &cksumobj)) + cksumkey, cksum_usage, &cksumobj)) return GSS_S_FAILURE; if (memcmp(cksumobj.data, ptr + GSS_KRB5_TOK_HDR_LEN, |
