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vfs: Add helper function hash_blob_sha256 to vfs_acl_common.c

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Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Christian Ambach <ambi@samba.org>
This commit is contained in:
Andrew Bartlett 2013-01-21 12:43:00 +11:00
parent 5a8e04963f
commit 6a5f65b0e9
1 changed files with 19 additions and 7 deletions
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26
source3/modules/vfs_acl_common.c
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@ -49,11 +49,28 @@ static NTSTATUS store_acl_blob_fsp(vfs_handle_struct *handle,
Hash a security descriptor.
*******************************************************************/
static NTSTATUS hash_blob_sha256(DATA_BLOB blob,
uint8_t *hash)
{
SHA256_CTX tctx;
memset(hash, '\0', XATTR_SD_HASH_SIZE);
samba_SHA256_Init(&tctx);
samba_SHA256_Update(&tctx, blob.data, blob.length);
samba_SHA256_Final(hash, &tctx);
return NT_STATUS_OK;
}
/*******************************************************************
Hash a security descriptor.
*******************************************************************/
static NTSTATUS hash_sd_sha256(struct security_descriptor *psd,
uint8_t *hash)
{
DATA_BLOB blob;
SHA256_CTX tctx;
NTSTATUS status;
memset(hash, '\0', XATTR_SD_HASH_SIZE);
@ -61,12 +78,7 @@ static NTSTATUS hash_sd_sha256(struct security_descriptor *psd,
if (!NT_STATUS_IS_OK(status)) {
return status;
}
samba_SHA256_Init(&tctx);
samba_SHA256_Update(&tctx, blob.data, blob.length);
samba_SHA256_Final(hash, &tctx);
return NT_STATUS_OK;
return hash_blob_sha256(blob, hash);
}
/*******************************************************************