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s4-dsdb: added dsdb_load_udv_v2() and dsdb_load_udv_v1()

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This commit is contained in:
Andrew Tridgell 2010-01-16 11:08:15 +11:00
parent 3ff3612e29
commit 4cef7427ec
1 changed files with 82 additions and 0 deletions
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82
source4/dsdb/common/util.c
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@ -3237,3 +3237,85 @@ int samdb_ldb_val_case_cmp(const char *s, struct ldb_val *v)
}
return 0;
}
/*
load the UDV for a partition in v2 format
*/
int dsdb_load_udv_v2(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
struct drsuapi_DsReplicaCursor2 **cursors, uint32_t *count)
{
static const char *attrs[] = { "replUpToDateVector", NULL };
struct ldb_result *r;
const struct ldb_val *ouv_value;
enum ndr_err_code ndr_err;
struct replUpToDateVectorBlob ouv;
int ret;
ret = ldb_search(samdb, mem_ctx, &r, dn, LDB_SCOPE_BASE, attrs, NULL);
if (ret != LDB_SUCCESS) {
return ret;
}
ouv_value = ldb_msg_find_ldb_val(r->msgs[0], "replUpToDateVector");
if (!ouv_value) {
talloc_free(r);
*count = 0;
*cursors = NULL;
return LDB_SUCCESS;
}
ndr_err = ndr_pull_struct_blob(ouv_value, r,
lp_iconv_convenience(ldb_get_opaque(samdb, "loadparm")), &ouv,
(ndr_pull_flags_fn_t)ndr_pull_replUpToDateVectorBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
talloc_free(r);
return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
}
if (ouv.version != 2) {
/* we always store as version 2, and
* replUpToDateVector is not replicated
*/
return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
}
*count = ouv.ctr.ctr2.count;
*cursors = talloc_steal(mem_ctx, ouv.ctr.ctr2.cursors);
talloc_free(r);
return LDB_SUCCESS;
}
/*
load the UDV for a partition in version 1 format
*/
int dsdb_load_udv_v1(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
struct drsuapi_DsReplicaCursor **cursors, uint32_t *count)
{
struct drsuapi_DsReplicaCursor2 *v2;
int ret, i;
ret = dsdb_load_udv_v2(samdb, dn, mem_ctx, &v2, count);
if (ret != LDB_SUCCESS) {
return ret;
}
if (*count == 0) {
talloc_free(v2);
*cursors = NULL;
return LDB_SUCCESS;
}
*cursors = talloc_array(mem_ctx, struct drsuapi_DsReplicaCursor, *count);
if (*cursors == NULL) {
talloc_free(v2);
return LDB_ERR_OPERATIONS_ERROR;
}
for (i=0; i<*count; i++) {
(*cursors)[i].source_dsa_invocation_id = v2[i].source_dsa_invocation_id;
(*cursors)[i].highest_usn = v2[i].highest_usn;
}
talloc_free(v2);
return LDB_SUCCESS;
}