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Diffstat (limited to 'source4/lib/ldb/common/ldb_dn.c')
-rw-r--r--source4/lib/ldb/common/ldb_dn.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/source4/lib/ldb/common/ldb_dn.c b/source4/lib/ldb/common/ldb_dn.c
index b497de142b..abe8985f9d 100644
--- a/source4/lib/ldb/common/ldb_dn.c
+++ b/source4/lib/ldb/common/ldb_dn.c
@@ -839,3 +839,58 @@ struct ldb_dn_component *ldb_dn_get_rdn(void *mem_ctx, const struct ldb_dn *dn)
return rdn;
}
+static char *ldb_dn_canonical(void *mem_ctx, const struct ldb_dn *dn, int ex_format) {
+ int i;
+ char *cracked = NULL;
+ for (i = dn->comp_num - 1 ; i >= 0; i--) {
+ if (strcasecmp(dn->components[i].name, "dc") != 0) {
+ break;
+ }
+ if (cracked) {
+ cracked = talloc_asprintf(mem_ctx, "%s.%s", dn->components[i].value.data,
+ cracked);
+ } else {
+ cracked = talloc_strdup(mem_ctx, dn->components[i].value.data);
+ }
+ if (!cracked) {
+ return NULL;
+ }
+ }
+
+ /* Only domain components */
+ if (i < 0) {
+ if (ex_format) {
+ cracked = talloc_asprintf(mem_ctx, "%s\n", cracked);
+ } else {
+ cracked = talloc_asprintf(mem_ctx, "%s/", cracked);
+ }
+ return cracked;
+ }
+
+ for (; i > 0; i--) {
+ cracked = talloc_asprintf(mem_ctx, "%s/%s", cracked,
+ dn->components[i].value.data);
+ if (!cracked) {
+ return NULL;
+ }
+ }
+
+ /* Last one */
+ if (ex_format) {
+ cracked = talloc_asprintf(mem_ctx, "%s\n%s", cracked,
+ dn->components[i].value.data);
+ } else {
+ cracked = talloc_asprintf(mem_ctx, "%s/%s", cracked,
+ dn->components[i].value.data);
+ }
+ return cracked;
+}
+
+char *ldb_dn_canonical_string(void *mem_ctx, const struct ldb_dn *dn) {
+ return ldb_dn_canonical(mem_ctx, dn, 0);
+
+}
+
+char *ldb_dn_canonical_ex_string(void *mem_ctx, const struct ldb_dn *dn) {
+ return ldb_dn_canonical(mem_ctx, dn, 1);
+}