librpc/ndr: add ndr_syntax_id_[from|to]_string()

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>

1 files changed, 47 insertions, 0 deletions

diff --git a/librpc/ndr/ndr_misc.c b/librpc/ndr/ndr_misc.c
index c4a1adb3ead..fa643c84949 100644
--- a/librpc/ndr/ndr_misc.c
+++ b/librpc/ndr/ndr_misc.c
@@ -35,3 +35,50 @@ bool ndr_syntax_id_equal(const struct ndr_syntax_id *i1,
 	return GUID_equal(&i1->uuid, &i2->uuid)
 		&& (i1->if_version == i2->if_version);
 }
+
+_PUBLIC_ char *ndr_syntax_id_to_string(TALLOC_CTX *mem_ctx, const struct ndr_syntax_id *id)
+{
+	return talloc_asprintf(mem_ctx,
+			       "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x/0x%08x",
+			       id->uuid.time_low, id->uuid.time_mid,
+			       id->uuid.time_hi_and_version,
+			       id->uuid.clock_seq[0],
+			       id->uuid.clock_seq[1],
+			       id->uuid.node[0], id->uuid.node[1],
+			       id->uuid.node[2], id->uuid.node[3],
+			       id->uuid.node[4], id->uuid.node[5],
+			       (unsigned)id->if_version);
+}
+
+_PUBLIC_ bool ndr_syntax_id_from_string(const char *s, struct ndr_syntax_id *id)
+{
+	int ret;
+	size_t i;
+	uint32_t time_low;
+	uint32_t time_mid, time_hi_and_version;
+	uint32_t clock_seq[2];
+	uint32_t node[6];
+	uint32_t if_version;
+
+	ret = sscanf(s,
+		     "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x/0x%08x",
+		     &time_low, &time_mid, &time_hi_and_version,
+		     &clock_seq[0], &clock_seq[1],
+		     &node[0], &node[1], &node[2], &node[3], &node[4], &node[5],
+		     &if_version);
+	if (ret != 12) {
+		return false;
+	}
+
+	id->uuid.time_low = time_low;
+	id->uuid.time_mid = time_mid;
+	id->uuid.time_hi_and_version = time_hi_and_version;
+	id->uuid.clock_seq[0] = clock_seq[0];
+	id->uuid.clock_seq[1] = clock_seq[1];
+	for (i=0; i<6; i++) {
+		id->uuid.node[i] = node[i];
+	}
+	id->if_version = if_version;
+
+	return true;
+}