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SUNRPC: Add "@len" parameter to gss_unwrap()

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Refactor: This is a pre-requisite to fixing the client-side ralign
computation in gss_unwrap_resp_priv().

The length value is passed in explicitly rather that as the value
of buf->len. This will subsequently allow gss_unwrap_kerberos_v1()
to compute a slack and align value, instead of computing it in
gss_unwrap_resp_priv().

Fixes: 35e77d21ba ("SUNRPC: Add rpc_auth::au_ralign field")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever
2020-04-18 21:06:23 -04:00
parent 6a8b55ed40
commit 31c9590ae4
7 changed files with 30 additions and 27 deletions
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2
include/linux/sunrpc/gss_api.h
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@@ -66,6 +66,7 @@ u32 gss_wrap(
u32 gss_unwrap(
struct gss_ctx *ctx_id,
int offset,
int len,
struct xdr_buf *inbuf);
u32 gss_delete_sec_context(
struct gss_ctx **ctx_id);
@@ -126,6 +127,7 @@ struct gss_api_ops {
u32 (*gss_unwrap)(
struct gss_ctx *ctx_id,
int offset,
int len,
struct xdr_buf *buf);
void (*gss_delete_sec_context)(
void *internal_ctx_id);