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gssd_krb5: More arcfour-hmac support

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For the arcfour-hmac support, the make_seq_num and get_seq_num
functions need access to the kerberos context structure.
This will be used in a later patch.

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>
This commit is contained in:
Kevin Coffman 2010-03-17 13:03:04 -04:00 committed by Trond Myklebust
parent fc263a917a
commit 1dbd9029f3
5 changed files with 14 additions and 11 deletions
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5
include/linux/sunrpc/gss_krb5.h
View File

@ -275,12 +275,13 @@ gss_decrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *inbuf,
int offset);
s32
krb5_make_seq_num(struct crypto_blkcipher *key,
krb5_make_seq_num(struct krb5_ctx *kctx,
struct crypto_blkcipher *key,
int direction,
u32 seqnum, unsigned char *cksum, unsigned char *buf);
s32
krb5_get_seq_num(struct crypto_blkcipher *key,
krb5_get_seq_num(struct krb5_ctx *kctx,
unsigned char *cksum,
unsigned char *buf, int *direction, u32 *seqnum);

5
net/sunrpc/auth_gss/gss_krb5_seal.c
View File

@ -152,9 +152,8 @@ gss_get_mic_v1(struct krb5_ctx *ctx, struct xdr_buf *text,
seq_send = ctx->seq_send++;
spin_unlock(&krb5_seq_lock);
if (krb5_make_seq_num(ctx->seq, ctx->initiate ? 0 : 0xff,
seq_send, ptr + GSS_KRB5_TOK_HDR_LEN,
ptr + 8))
if (krb5_make_seq_num(ctx, ctx->seq, ctx->initiate ? 0 : 0xff,
seq_send, ptr + GSS_KRB5_TOK_HDR_LEN, ptr + 8))
return GSS_S_FAILURE;
return (ctx->endtime < now) ? GSS_S_CONTEXT_EXPIRED : GSS_S_COMPLETE;

6
net/sunrpc/auth_gss/gss_krb5_seqnum.c
View File

@ -40,7 +40,8 @@
#endif
s32
krb5_make_seq_num(struct crypto_blkcipher *key,
krb5_make_seq_num(struct krb5_ctx *kctx,
struct crypto_blkcipher *key,
int direction,
u32 seqnum,
unsigned char *cksum, unsigned char *buf)
@ -61,13 +62,14 @@ krb5_make_seq_num(struct crypto_blkcipher *key,
}
s32
krb5_get_seq_num(struct crypto_blkcipher *key,
krb5_get_seq_num(struct krb5_ctx *kctx,
unsigned char *cksum,
unsigned char *buf,
int *direction, u32 *seqnum)
{
s32 code;
unsigned char plain[8];
struct crypto_blkcipher *key = kctx->seq;
dprintk("RPC: krb5_get_seq_num:\n");

3
net/sunrpc/auth_gss/gss_krb5_unseal.c
View File

@ -131,7 +131,8 @@ gss_verify_mic_v1(struct krb5_ctx *ctx,
/* do sequencing checks */
if (krb5_get_seq_num(ctx->seq, ptr + GSS_KRB5_TOK_HDR_LEN, ptr + 8, &direction, &seqnum))
if (krb5_get_seq_num(ctx, ptr + GSS_KRB5_TOK_HDR_LEN, ptr + 8,
&direction, &seqnum))
return GSS_S_FAILURE;
if ((ctx->initiate && direction != 0xff) ||

6
net/sunrpc/auth_gss/gss_krb5_wrap.c
View File

@ -227,7 +227,7 @@ gss_wrap_kerberos_v1(struct krb5_ctx *kctx, int offset,
/* XXX would probably be more efficient to compute checksum
* and encrypt at the same time: */
if ((krb5_make_seq_num(kctx->seq, kctx->initiate ? 0 : 0xff,
if ((krb5_make_seq_num(kctx, kctx->seq, kctx->initiate ? 0 : 0xff,
seq_send, ptr + GSS_KRB5_TOK_HDR_LEN, ptr + 8)))
return GSS_S_FAILURE;
@ -314,8 +314,8 @@ gss_unwrap_kerberos_v1(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
/* do sequencing checks */
if (krb5_get_seq_num(kctx->seq, ptr + GSS_KRB5_TOK_HDR_LEN, ptr + 8,
&direction, &seqnum))
if (krb5_get_seq_num(kctx, ptr + GSS_KRB5_TOK_HDR_LEN,
ptr + 8, &direction, &seqnum))
return GSS_S_BAD_SIG;
if ((kctx->initiate && direction != 0xff) ||