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added some helper functions for GUID handling

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(This used to be commit 7d3ffd4d2b)
This commit is contained in:
Andrew Tridgell 2008-02-12 16:18:51 +11:00
parent f7bcc15bf8
commit 7b96c53bcb
1 changed files with 41 additions and 0 deletions
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41
source4/libcli/raw/rawrequest.c
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@ -972,3 +972,44 @@ size_t smbcli_blob_append_string(struct smbcli_session *session,
return len;
}
/*
pull a GUID structure from the wire. The buffer must be at least 16
bytes long
*/
enum ndr_err_code smbcli_pull_guid(void *base, uint16_t offset,
struct GUID *guid)
{
DATA_BLOB blob;
TALLOC_CTX *tmp_ctx = talloc_new(NULL);
enum ndr_err_code ndr_err;
ZERO_STRUCTP(guid);
blob.data = offset + (uint8_t *)base;
blob.length = 16;
ndr_err = ndr_pull_struct_blob(&blob, tmp_ctx, NULL, guid,
(ndr_pull_flags_fn_t)ndr_pull_GUID);
talloc_free(tmp_ctx);
return ndr_err;
}
/*
push a guid onto the wire. The buffer must hold 16 bytes
*/
enum ndr_err_code smbcli_push_guid(void *base, uint16_t offset,
const struct GUID *guid)
{
TALLOC_CTX *tmp_ctx = talloc_new(NULL);
enum ndr_err_code ndr_err;
DATA_BLOB blob;
ndr_err = ndr_push_struct_blob(&blob, tmp_ctx, NULL,
guid, (ndr_push_flags_fn_t)ndr_push_GUID);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err) || blob.length != 16) {
talloc_free(tmp_ctx);
return ndr_err;
}
memcpy(offset + (uint8_t *)base, blob.data, blob.length);
talloc_free(tmp_ctx);
return ndr_err;
}