-adding plugin for fundamental gns records

1 files changed, 139 insertions, 0 deletions

diff --git a/src/include/gnunet_gnsrecord_lib.h b/src/include/gnunet_gnsrecord_lib.h
new file mode 100644
index 000000000..2c8d73415
--- /dev/null
+++ b/src/include/gnunet_gnsrecord_lib.h
@@ -0,0 +1,139 @@
+/*
+     This file is part of GNUnet
+     (C) 2012, 2013 Christian Grothoff (and other contributing authors)
+
+     GNUnet is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 3, or (at your
+     option) any later version.
+
+     GNUnet is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file include/gnunet_gnsrecord_lib.h
+ * @brief API that can be used to manipulate GNS record data
+ * @author Christian Grothoff
+ */
+#ifndef GNUNET_GNSRECORD_LIB_H
+#define GNUNET_GNSRECORD_LIB_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#if 0                           /* keep Emacsens' auto-indent happy */
+}
+#endif
+#endif
+
+
+/**
+ * Record type indicating any record/'*'
+ */
+#define GNUNET_GNSRECORD_TYPE_ANY 0
+
+/**
+ * Record type for GNS zone transfer ("PKEY").
+ */
+#define GNUNET_GNSRECORD_TYPE_PKEY 65536
+
+/**
+ * Record type for GNS zone transfer ("PSEU").
+ */
+#define GNUNET_GNSRECORD_TYPE_PSEU 65537
+
+/**
+ * Record type for GNS legacy hostnames ("LEHO").
+ */
+#define GNUNET_GNSRECORD_TYPE_LEHO 65538
+
+/**
+ * Record type for VPN resolution
+ */
+#define GNUNET_GNSRECORD_TYPE_VPN 65539
+
+/**
+ * Record type for delegation to DNS.
+ */
+#define GNUNET_GNSRECORD_TYPE_GNS2DNS 65540
+
+/**
+ * Record type for a social place.
+ */
+#define GNUNET_GNSRECORD_TYPE_PLACE 65541
+
+/**
+ * Record type for a phone (of CONVERSATION).
+ */
+#define GNUNET_GNSRECORD_TYPE_PHONE 65542
+
+
+
+/**
+ * Convert the binary value @a data of a record of
+ * type @a type to a human-readable string.
+ *
+ * @param type type of the record
+ * @param data value in binary encoding
+ * @param data_size number of bytes in @a data
+ * @return NULL on error, otherwise human-readable representation of the value
+ */
+char *
+GNUNET_GNSRECORD_value_to_string (uint32_t type,
+                                  const void *data,
+                                  size_t data_size);
+
+
+/**
+ * Convert human-readable version of the value @a s of a record
+ * of type @a type to the respective binary representation.
+ *
+ * @param type type of the record
+ * @param s human-readable string
+ * @param data set to value in binary encoding (will be allocated)
+ * @param data_size set to number of bytes in @a data
+ * @return #GNUNET_OK on success
+ */
+int
+GNUNET_GNSRECORD_string_to_value (uint32_t type,
+                                  const char *s,
+                                  void **data,
+                                  size_t *data_size);
+
+
+/**
+ * Convert a type name (i.e. "AAAA") to the corresponding number.
+ *
+ * @param dns_typename name to convert
+ * @return corresponding number, UINT32_MAX on error
+ */
+uint32_t
+GNUNET_GNSRECORD_typename_to_number (const char *dns_typename);
+
+
+/**
+ * Convert a type number (i.e. 1) to the corresponding type string (i.e. "A")
+ *
+ * @param type number of a type to convert
+ * @return corresponding typestring, NULL on error
+ */
+const char *
+GNUNET_GNSRECORD_number_to_typename (uint32_t type);
+
+
+#if 0                           /* keep Emacsens' auto-indent happy */
+{
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+#endif