*** empty log message ***

[silc.git] / lib / silccore / silcpayload.c

diff --git a/lib/silccore/silcpayload.c b/lib/silccore/silcpayload.c
index 5d2cacabdce0f0c983790841038c6b6f3e53d2d8..6724a95cbe9d16be3b3402fa636ea83b8d0f3841 100644 (file)
--- a/lib/silccore/silcpayload.c
+++ b/lib/silccore/silcpayload.c
@@ -107,17 +107,54 @@ SilcIDPayload silc_id_payload_parse_data(unsigned char *data,
   return NULL;
 }
 
+/* Return the ID directly from the raw payload data. */
+
+void *silc_id_payload_parse_id(unsigned char *data, unsigned int len)
+{
+  SilcBuffer buffer;
+  SilcIdType type;
+  unsigned short idlen;
+  unsigned char *id;
+
+  buffer = silc_buffer_alloc(len);
+  silc_buffer_pull_tail(buffer, SILC_BUFFER_END(buffer));
+  silc_buffer_put(buffer, data, len);
+
+  silc_buffer_unformat(buffer,
+                      SILC_STR_UI_SHORT(&type),
+                      SILC_STR_UI_SHORT(&idlen),
+                      SILC_STR_END);
+
+  silc_buffer_pull(buffer, 4);
+
+  if (idlen > buffer->len)
+    goto err;
+
+  silc_buffer_unformat(buffer,
+                      SILC_STR_UI_XNSTRING_ALLOC(&id, idlen),
+                      SILC_STR_END);
+
+  silc_buffer_free(buffer);
+
+  return silc_id_str2id(id, type);
+
+ err:
+  silc_buffer_free(buffer);
+  return NULL;
+}
+
 /* Encodes ID Payload */
 
-SilcBuffer silc_id_payload_encode(void *id, unsigned short len,
-                                 SilcIdType type)
+SilcBuffer silc_id_payload_encode(void *id, SilcIdType type)
 {
   SilcBuffer buffer;
   unsigned char *id_data;
+  unsigned int len;
 
   SILC_LOG_DEBUG(("Parsing ID payload"));
 
   id_data = silc_id_id2str(id, type);
+  len = silc_id_get_len(type);
 
   buffer = silc_buffer_alloc(4 + len);
   silc_buffer_pull_tail(buffer, SILC_BUFFER_END(buffer));
@@ -154,6 +191,22 @@ void *silc_id_payload_get_id(SilcIDPayload payload)
   return silc_id_str2id(payload->id, payload->type);
 }
 
+/* Get raw ID data. Data is duplicated. */
+
+unsigned char *silc_id_payload_get_data(SilcIDPayload payload)
+{
+  unsigned char *ret = silc_calloc(payload->len, sizeof(*ret));
+  memcpy(ret, payload->id, payload->len);
+  return ret;
+}
+
+/* Get length of ID */
+
+unsigned int silc_id_payload_get_len(SilcIDPayload payload)
+{
+  return payload->len;
+}
+
 /******************************************************************************
 
                              Argument Payload
@@ -275,6 +328,40 @@ SilcBuffer silc_argument_payload_encode(unsigned int argc,
   return buffer;
 }
 
+/* Same as above but encode the buffer from SilcArgumentPayload structure
+   instead of raw data. */
+
+SilcBuffer silc_argument_payload_encode_payload(SilcArgumentPayload payload)
+{
+  SilcBuffer buffer;
+  unsigned int len;
+  int i;
+
+  SILC_LOG_DEBUG(("Encoding Argument payload"));
+
+  len = 0;
+  for (i = 0; i < payload->argc; i++)
+    len += 3 + payload->argv_lens[i];
+
+  buffer = silc_buffer_alloc(len);
+  silc_buffer_pull_tail(buffer, SILC_BUFFER_END(buffer));
+
+  /* Put arguments */
+  for (i = 0; i < payload->argc; i++) {
+    silc_buffer_format(buffer,
+                      SILC_STR_UI_SHORT(payload->argv_lens[i]),
+                      SILC_STR_UI_CHAR(payload->argv_types[i]),
+                      SILC_STR_UI_XNSTRING(payload->argv[i], 
+                                           payload->argv_lens[i]),
+                      SILC_STR_END);
+    silc_buffer_pull(buffer, 3 + payload->argv_lens[i]);
+  }
+
+  silc_buffer_push(buffer, len);
+
+  return buffer;
+}
+
 #if 0
 /* Encodes Argument payload with variable argument list. The arguments
    must be: unsigned int, unsigned char *, unsigned int, ... One