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authorGünther Deschner <gd@samba.org>2009-02-24 11:34:57 +0100
committerGünther Deschner <gd@samba.org>2009-02-24 12:41:20 +0100
commitf21ae452a008370a4846c8955ac1a8fe1a0acb3c (patch)
tree1bf8d245917bf14f2eca68a45d6b09ee4feb5c96
parent31f2cddcf5886b0a78290fdfa609a2ee63bda5ad (diff)
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s3-lib: add marshall_sec_desc_buf and unmarshall_sec_desc_buf helpers.
Guenther
-rw-r--r--source3/include/proto.h5
-rw-r--r--source3/lib/secdesc.c63
2 files changed, 68 insertions, 0 deletions
diff --git a/source3/include/proto.h b/source3/include/proto.h
index 14241d5ce3..3ca94b9192 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -695,8 +695,13 @@ SEC_DESC *dup_sec_desc(TALLOC_CTX *ctx, const SEC_DESC *src);
NTSTATUS marshall_sec_desc(TALLOC_CTX *mem_ctx,
struct security_descriptor *secdesc,
uint8 **data, size_t *len);
+NTSTATUS marshall_sec_desc_buf(TALLOC_CTX *mem_ctx,
+ struct sec_desc_buf *secdesc_buf,
+ uint8_t **data, size_t *len);
NTSTATUS unmarshall_sec_desc(TALLOC_CTX *mem_ctx, uint8 *data, size_t len,
struct security_descriptor **psecdesc);
+NTSTATUS unmarshall_sec_desc_buf(TALLOC_CTX *mem_ctx, uint8_t *data, size_t len,
+ struct sec_desc_buf **psecdesc_buf);
SEC_DESC *make_standard_sec_desc(TALLOC_CTX *ctx, const DOM_SID *owner_sid, const DOM_SID *grp_sid,
SEC_ACL *dacl, size_t *sd_size);
SEC_DESC_BUF *make_sec_desc_buf(TALLOC_CTX *ctx, size_t len, SEC_DESC *sec_desc);
diff --git a/source3/lib/secdesc.c b/source3/lib/secdesc.c
index 232bbca43c..a81c4ae82a 100644
--- a/source3/lib/secdesc.c
+++ b/source3/lib/secdesc.c
@@ -291,6 +291,32 @@ NTSTATUS marshall_sec_desc(TALLOC_CTX *mem_ctx,
}
/*******************************************************************
+ Convert a secdesc_buf into a byte stream
+********************************************************************/
+
+NTSTATUS marshall_sec_desc_buf(TALLOC_CTX *mem_ctx,
+ struct sec_desc_buf *secdesc_buf,
+ uint8_t **data, size_t *len)
+{
+ DATA_BLOB blob;
+ enum ndr_err_code ndr_err;
+
+ ndr_err = ndr_push_struct_blob(
+ &blob, mem_ctx, NULL, secdesc_buf,
+ (ndr_push_flags_fn_t)ndr_push_sec_desc_buf);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DEBUG(0, ("ndr_push_sec_desc_buf failed: %s\n",
+ ndr_errstr(ndr_err)));
+ return ndr_map_error2ntstatus(ndr_err);;
+ }
+
+ *data = blob.data;
+ *len = blob.length;
+ return NT_STATUS_OK;
+}
+
+/*******************************************************************
Parse a byte stream into a secdesc
********************************************************************/
NTSTATUS unmarshall_sec_desc(TALLOC_CTX *mem_ctx, uint8 *data, size_t len,
@@ -327,6 +353,43 @@ NTSTATUS unmarshall_sec_desc(TALLOC_CTX *mem_ctx, uint8 *data, size_t len,
}
/*******************************************************************
+ Parse a byte stream into a sec_desc_buf
+********************************************************************/
+
+NTSTATUS unmarshall_sec_desc_buf(TALLOC_CTX *mem_ctx, uint8_t *data, size_t len,
+ struct sec_desc_buf **psecdesc_buf)
+{
+ DATA_BLOB blob;
+ enum ndr_err_code ndr_err;
+ struct sec_desc_buf *result;
+
+ if ((data == NULL) || (len == 0)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ result = TALLOC_ZERO_P(mem_ctx, struct sec_desc_buf);
+ if (result == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ blob = data_blob_const(data, len);
+
+ ndr_err = ndr_pull_struct_blob(
+ &blob, result, NULL, result,
+ (ndr_pull_flags_fn_t)ndr_pull_sec_desc_buf);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DEBUG(0, ("ndr_pull_sec_desc_buf failed: %s\n",
+ ndr_errstr(ndr_err)));
+ TALLOC_FREE(result);
+ return ndr_map_error2ntstatus(ndr_err);;
+ }
+
+ *psecdesc_buf = result;
+ return NT_STATUS_OK;
+}
+
+/*******************************************************************
Creates a SEC_DESC structure with typical defaults.
********************************************************************/