We're currently not actually using seed or seed_init.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
struct krb5_ctx {
int initiate; /* 1 = initiating, 0 = accepting */
struct krb5_ctx {
int initiate; /* 1 = initiating, 0 = accepting */
- int seed_init;
- unsigned char seed[16];
struct crypto_blkcipher *enc;
struct crypto_blkcipher *seq;
s32 endtime;
struct crypto_blkcipher *enc;
struct crypto_blkcipher *seq;
s32 endtime;
p = simple_get_bytes(p, end, &ctx->initiate, sizeof(ctx->initiate));
if (IS_ERR(p))
goto out_err_free_ctx;
p = simple_get_bytes(p, end, &ctx->initiate, sizeof(ctx->initiate));
if (IS_ERR(p))
goto out_err_free_ctx;
- p = simple_get_bytes(p, end, &ctx->seed_init, sizeof(ctx->seed_init));
- if (IS_ERR(p))
- goto out_err_free_ctx;
- p = simple_get_bytes(p, end, ctx->seed, sizeof(ctx->seed));
- if (IS_ERR(p))
+ /* The downcall format was designed before we completely understood
+ * the uses of the context fields; so it includes some stuff we
+ * just give some minimal sanity-checking, and some we ignore
+ * completely (like the next twenty bytes): */
+ if (unlikely(p + 20 > end || p + 20 < p))
p = simple_get_bytes(p, end, &tmp, sizeof(tmp));
if (IS_ERR(p))
goto out_err_free_ctx;
p = simple_get_bytes(p, end, &tmp, sizeof(tmp));
if (IS_ERR(p))
goto out_err_free_ctx;