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-rw-r--r--source4/lib/ldb-samba/ldif_handlers.c198
1 files changed, 198 insertions, 0 deletions
diff --git a/source4/lib/ldb-samba/ldif_handlers.c b/source4/lib/ldb-samba/ldif_handlers.c
index 5c29d001c2..1f718cc1c5 100644
--- a/source4/lib/ldb-samba/ldif_handlers.c
+++ b/source4/lib/ldb-samba/ldif_handlers.c
@@ -26,7 +26,9 @@
#include "dsdb/samdb/samdb.h"
#include "librpc/gen_ndr/ndr_security.h"
#include "librpc/gen_ndr/ndr_misc.h"
+#include "librpc/gen_ndr/ndr_drsblobs.h"
#include "libcli/security/security.h"
+#include "param/param.h"
/*
convert a ldif formatted objectSid to a NDR formatted blob
@@ -371,10 +373,199 @@ static int ldif_comparison_objectCategory(struct ldb_context *ldb, void *mem_ctx
return ret;
}
+/*
+ convert a ldif formatted prefixMap to a NDR formatted blob
+*/
+static int ldif_read_prefixMap(struct ldb_context *ldb, void *mem_ctx,
+ const struct ldb_val *in, struct ldb_val *out)
+{
+ struct prefixMapBlob *blob;
+ enum ndr_err_code ndr_err;
+ char *string, *line, *p, *oid;
+
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+
+ if (tmp_ctx == NULL) {
+ return -1;
+ }
+
+ blob = talloc_zero(tmp_ctx, struct prefixMapBlob);
+ if (blob == NULL) {
+ talloc_free(blob);
+ return -1;
+ }
+
+ blob->version = PREFIX_MAP_VERSION_DSDB;
+
+ string = talloc_strndup(mem_ctx, (const char *)in->data, in->length);
+ if (string == NULL) {
+ talloc_free(blob);
+ return -1;
+ }
+
+ line = string;
+ while (line && line[0]) {
+ p=strchr(line, ';');
+ if (p) {
+ p[0] = '\0';
+ } else {
+ p=strchr(line, '\n');
+ if (p) {
+ p[0] = '\0';
+ }
+ }
+ /* allow a traling seperator */
+ if (line == p) {
+ break;
+ }
+
+ blob->ctr.dsdb.mappings = talloc_realloc(blob,
+ blob->ctr.dsdb.mappings,
+ struct drsuapi_DsReplicaOIDMapping,
+ blob->ctr.dsdb.num_mappings+1);
+ if (!blob->ctr.dsdb.mappings) {
+ talloc_free(tmp_ctx);
+ return -1;
+ }
+
+ blob->ctr.dsdb.mappings[blob->ctr.dsdb.num_mappings].id_prefix = strtoul(line, &oid, 10);
+
+ if (oid[0] != ':') {
+ talloc_free(tmp_ctx);
+ return -1;
+ }
+
+ /* we know there must be at least ":" */
+ oid++;
+
+ blob->ctr.dsdb.mappings[blob->ctr.dsdb.num_mappings].oid.oid
+ = talloc_strdup(blob->ctr.dsdb.mappings, oid);
+
+ blob->ctr.dsdb.num_mappings++;
+
+ /* Now look past the terminator we added above */
+ if (p) {
+ line = p + 1;
+ } else {
+ line = NULL;
+ }
+ }
+
+ ndr_err = ndr_push_struct_blob(out, mem_ctx,
+ lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
+ blob,
+ (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
+ talloc_free(tmp_ctx);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return -1;
+ }
+ return 0;
+}
+
+/*
+ convert a NDR formatted blob to a ldif formatted prefixMap
+*/
+static int ldif_write_prefixMap(struct ldb_context *ldb, void *mem_ctx,
+ const struct ldb_val *in, struct ldb_val *out)
+{
+ struct prefixMapBlob *blob;
+ enum ndr_err_code ndr_err;
+ char *string;
+ uint32_t i;
+
+ blob = talloc(mem_ctx, struct prefixMapBlob);
+ if (blob == NULL) {
+ return -1;
+ }
+ ndr_err = ndr_pull_struct_blob(in, blob,
+ lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
+ blob,
+ (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ talloc_free(blob);
+ return -1;
+ }
+ if (blob->version != PREFIX_MAP_VERSION_DSDB) {
+ return -1;
+ }
+ string = talloc_strdup(mem_ctx, "");
+ if (string == NULL) {
+ return -1;
+ }
+
+ for (i=0; i < blob->ctr.dsdb.num_mappings; i++) {
+ if (i > 0) {
+ string = talloc_asprintf_append(string, ";");
+ }
+ string = talloc_asprintf_append(string, "%u:%s",
+ blob->ctr.dsdb.mappings[i].id_prefix,
+ blob->ctr.dsdb.mappings[i].oid.oid);
+ if (string == NULL) {
+ return -1;
+ }
+ }
+
+ talloc_free(blob);
+ *out = data_blob_string_const(string);
+ return 0;
+}
+
+static bool ldif_comparision_prefixMap_isString(const struct ldb_val *v)
+{
+ if (v->length < 4) {
+ return true;
+ }
+
+ if (IVAL(v->data, 0) == PREFIX_MAP_VERSION_DSDB) {
+ return false;
+ }
+
+ return true;
+}
+
+/*
+ canonicalise a prefixMap
+*/
+static int ldif_canonicalise_prefixMap(struct ldb_context *ldb, void *mem_ctx,
+ const struct ldb_val *in, struct ldb_val *out)
+{
+ if (ldif_comparision_prefixMap_isString(in)) {
+ return ldif_read_prefixMap(ldb, mem_ctx, in, out);
+ }
+ return ldb_handler_copy(ldb, mem_ctx, in, out);
+}
+
+static int ldif_comparison_prefixMap(struct ldb_context *ldb, void *mem_ctx,
+ const struct ldb_val *v1,
+ const struct ldb_val *v2)
+{
+
+ int ret, ret1, ret2;
+ struct ldb_val v1_canon, v2_canon;
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+
+ /* I could try and bail if tmp_ctx was NULL, but what return
+ * value would I use?
+ *
+ * It seems easier to continue on the NULL context
+ */
+ ret1 = ldif_canonicalise_prefixMap(ldb, tmp_ctx, v1, &v1_canon);
+ ret2 = ldif_canonicalise_prefixMap(ldb, tmp_ctx, v2, &v2_canon);
+
+ if (ret1 == LDB_SUCCESS && ret2 == LDB_SUCCESS) {
+ ret = data_blob_cmp(&v1_canon, &v2_canon);
+ } else {
+ ret = data_blob_cmp(v1, v2);
+ }
+ talloc_free(tmp_ctx);
+ return ret;
+}
+
#define LDB_SYNTAX_SAMBA_SID "LDB_SYNTAX_SAMBA_SID"
#define LDB_SYNTAX_SAMBA_SECURITY_DESCRIPTOR "LDB_SYNTAX_SAMBA_SECURITY_DESCRIPTOR"
#define LDB_SYNTAX_SAMBA_GUID "LDB_SYNTAX_SAMBA_GUID"
#define LDB_SYNTAX_SAMBA_OBJECT_CATEGORY "LDB_SYNTAX_SAMBA_OBJECT_CATEGORY"
+#define LDB_SYNTAX_SAMBA_PREFIX_MAP "LDB_SYNTAX_SAMBA_PREFIX_MAP"
static const struct ldb_schema_syntax samba_syntaxes[] = {
{
@@ -401,6 +592,12 @@ static const struct ldb_schema_syntax samba_syntaxes[] = {
.ldif_write_fn = ldb_handler_copy,
.canonicalise_fn= ldif_canonicalise_objectCategory,
.comparison_fn = ldif_comparison_objectCategory
+ },{
+ .name = LDB_SYNTAX_SAMBA_PREFIX_MAP,
+ .ldif_read_fn = ldif_read_prefixMap,
+ .ldif_write_fn = ldif_write_prefixMap,
+ .canonicalise_fn= ldif_canonicalise_prefixMap,
+ .comparison_fn = ldif_comparison_prefixMap
}
};
@@ -435,6 +632,7 @@ static const struct {
{ "masteredBy", LDB_SYNTAX_DN },
{ "msDs-masteredBy", LDB_SYNTAX_DN },
{ "fSMORoleOwner", LDB_SYNTAX_DN },
+ { "prefixMap", LDB_SYNTAX_SAMBA_PREFIX_MAP }
};
/*