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authorAndrew Tridgell <tridge@samba.org>2009-09-12 11:09:10 +1000
committerAndrew Tridgell <tridge@samba.org>2009-09-12 11:15:27 +1000
commit0ba9a1bd3f2f0b278a86f6e244162b0efa7dd510 (patch)
tree44a810984430994340a961b3642092734ca8b921 /source4/dsdb/common/util.c
parent9014cb64fd9a1068e731d42fc0ffaf39518d1b84 (diff)
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s4-kcc: we should only add to the repsFrom if it doesn't already exist
If we already have a repsFrom for a particular DC and naming context then we should not overwrite it, as it contains info on what replication we've already done
Diffstat (limited to 'source4/dsdb/common/util.c')
-rw-r--r--source4/dsdb/common/util.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/source4/dsdb/common/util.c b/source4/dsdb/common/util.c
index 6da02b0b6a..b5005444cc 100644
--- a/source4/dsdb/common/util.c
+++ b/source4/dsdb/common/util.c
@@ -36,6 +36,7 @@
#include "libcli/ldap/ldap_ndr.h"
#include "param/param.h"
#include "libcli/auth/libcli_auth.h"
+#include "librpc/gen_ndr/ndr_drsblobs.h"
/*
search the sam for the specified attributes in a specific domain, filter on
@@ -2146,3 +2147,113 @@ int dsdb_find_guid_by_dn(struct ldb_context *ldb,
talloc_free(tmp_ctx);
return LDB_SUCCESS;
}
+
+
+
+/*
+ load a repsFromTo blob list for a given partition GUID
+ attr must be "repsFrom" or "repsTo"
+ */
+WERROR dsdb_loadreps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
+ const char *attr, struct repsFromToBlob **r, uint32_t *count)
+{
+ const char *attrs[] = { attr, NULL };
+ struct ldb_result *res = NULL;
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ int i;
+ struct ldb_message_element *el;
+
+ *r = NULL;
+ *count = 0;
+
+ if (ldb_search(sam_ctx, tmp_ctx, &res, dn, LDB_SCOPE_BASE, attrs, NULL) != LDB_SUCCESS ||
+ res->count < 1) {
+ DEBUG(0,("dsdb_loadreps: failed to read partition object\n"));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ el = ldb_msg_find_element(res->msgs[0], attr);
+ if (el == NULL) {
+ /* it's OK to be empty */
+ talloc_free(tmp_ctx);
+ return WERR_OK;
+ }
+
+ *count = el->num_values;
+ *r = talloc_array(mem_ctx, struct repsFromToBlob, *count);
+ if (*r == NULL) {
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ for (i=0; i<(*count); i++) {
+ enum ndr_err_code ndr_err;
+ ndr_err = ndr_pull_struct_blob(&el->values[i],
+ mem_ctx, lp_iconv_convenience(ldb_get_opaque(sam_ctx, "loadparm")),
+ &(*r)[i],
+ (ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ }
+
+ talloc_free(tmp_ctx);
+
+ return WERR_OK;
+}
+
+/*
+ save the repsFromTo blob list for a given partition GUID
+ attr must be "repsFrom" or "repsTo"
+ */
+WERROR dsdb_savereps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
+ const char *attr, struct repsFromToBlob *r, uint32_t count)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ struct ldb_message *msg;
+ struct ldb_message_element *el;
+ int i;
+
+ msg = ldb_msg_new(tmp_ctx);
+ msg->dn = dn;
+ if (ldb_msg_add_empty(msg, attr, LDB_FLAG_MOD_REPLACE, &el) != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ el->values = talloc_array(msg, struct ldb_val, count);
+ if (!el->values) {
+ goto failed;
+ }
+
+ for (i=0; i<count; i++) {
+ struct ldb_val v;
+ enum ndr_err_code ndr_err;
+
+ ndr_err = ndr_push_struct_blob(&v, tmp_ctx, lp_iconv_convenience(ldb_get_opaque(sam_ctx, "loadparm")),
+ &r[i],
+ (ndr_push_flags_fn_t)ndr_push_repsFromToBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ goto failed;
+ }
+
+ el->num_values++;
+ el->values[i] = v;
+ }
+
+ if (ldb_modify(sam_ctx, msg) != LDB_SUCCESS) {
+ DEBUG(0,("Failed to store %s - %s\n", attr, ldb_errstring(sam_ctx)));
+ goto failed;
+ }
+
+ talloc_free(tmp_ctx);
+
+ return WERR_OK;
+
+failed:
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+}
+
+