diff options
Diffstat (limited to 'tinyNET/src/dhcp6/tnet_dhcp6_option.c')
| -rw-r--r-- | tinyNET/src/dhcp6/tnet_dhcp6_option.c | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/tinyNET/src/dhcp6/tnet_dhcp6_option.c b/tinyNET/src/dhcp6/tnet_dhcp6_option.c new file mode 100644 index 0000000..7f7aca4 --- /dev/null +++ b/tinyNET/src/dhcp6/tnet_dhcp6_option.c @@ -0,0 +1,336 @@ +/*
+* Copyright (C) 2009-2010 Mamadou Diop.
+*
+* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
+*
+* This file is part of Open Source Doubango Framework.
+*
+* DOUBANGO 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 of the License, or
+* (at your option) any later version.
+*
+* DOUBANGO 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 DOUBANGO.
+*
+*/
+/**@file tnet_dhcp6_option.c
+ * @brief DHCPv6 Options as per RFC 3315 subclause 22.
+ *
+ * @author Mamadou Diop <diopmamadou(at)doubango.org>
+ *
+ * @date Created: Sat Nov 8 16:54:58 2009 mdiop
+ */
+#include "tnet_dhcp6_option.h"
+
+#include "../tnet_types.h"
+#include "../tnet_endianness.h"
+
+#include "tsk_memory.h"
+
+#include <string.h>
+
+tnet_dhcp6_option_t* tnet_dhcp6_option_create(tnet_dhcp6_option_code_t code, const void* payload, tsk_size_t payload_size)
+{
+ return tsk_object_new(tnet_dhcp6_option_def_t, code, payload, payload_size);
+}
+
+tnet_dhcp6_option_identifier_t* tnet_dhcp6_option_indentifer_create(tnet_dhcp6_option_code_t code, const void* payload, tsk_size_t payload_size)
+{
+ return tsk_object_new(tnet_dhcp6_option_identifier_def_t, code, payload, payload_size);
+}
+
+tnet_dhcp6_option_identifier_t* tnet_dhcp6_option_clientid_create(const void* payload, tsk_size_t payload_size)
+{
+ return tnet_dhcp6_option_indentifer_create(dhcp6_code_clientid, payload, payload_size);
+}
+
+tnet_dhcp6_option_identifier_t* tnet_dhcp6_option_serverid_create(const void* payload, tsk_size_t payload_size)
+{
+ return tnet_dhcp6_option_indentifer_create(dhcp6_code_serverid, payload, payload_size);
+}
+
+tnet_dhcp6_option_orequest_t* tnet_dhcp6_option_orequest_create(const void* payload, tsk_size_t payload_size)
+{
+ return tsk_object_new(tnet_dhcp6_option_orequest_def_t, payload, payload_size);
+}
+
+tnet_dhcp6_option_orequest_t* tnet_dhcp6_option_orequest_create_null()
+{
+ return tnet_dhcp6_option_orequest_create(tsk_null, 0);
+}
+
+tnet_dhcp6_option_vendorclass_t* tnet_dhcp6_option_vendorclass_create(const void* payload, tsk_size_t payload_size)
+{
+ return tsk_object_new(tnet_dhcp6_option_vendorclass_def_t, payload, payload_size);
+}
+
+tnet_dhcp6_option_vendorclass_t* tnet_dhcp6_option_vendorclass_create_null()
+{
+ return tnet_dhcp6_option_vendorclass_create(tsk_null, 0);
+}
+
+tnet_dhcp6_option_t* tnet_dhcp6_option_deserialize(const void* data, tsk_size_t size)
+{
+ tnet_dhcp6_option_t *option = 0;
+ uint8_t* dataPtr = ((uint8_t*)data);
+ //uint8_t* dataEnd = (dataPtr+size);
+
+ tnet_dhcp6_option_code_t code;
+ uint16_t len;
+
+ /* Check validity */
+ if(!dataPtr || size<4/*Code Len*/){
+ goto bail;
+ }
+
+ code = (tnet_dhcp6_option_code_t) tnet_ntohs_2(dataPtr);
+ dataPtr += 2;
+
+ len = tnet_ntohs_2(dataPtr);
+ dataPtr += 2;
+
+ switch(code){
+ case dhcp6_code_clientid:
+ case dhcp6_code_serverid:
+ {
+ break;
+ }
+
+ default:
+ {
+ break;
+ }
+ }
+bail:
+ return option;
+}
+
+int tnet_dhcp6_option_serialize(const tnet_dhcp6_option_t* self, tsk_buffer_t *output)
+{
+ uint16_t _2bytes;
+ int ret = -1;
+
+ if(!self || !output){
+ goto bail;
+ }
+
+ /*== Code */
+ _2bytes = tnet_htons(self->code);
+ tsk_buffer_append(output, &(_2bytes), 2);
+
+ switch(self->code){
+ case dhcp6_code_clientid:
+ case dhcp6_code_serverid:
+ {
+ break;
+ }
+
+ case dhcp6_code_oro:
+ default:
+ {
+ if(self->data)
+ {
+ const tnet_dhcp6_option_orequest_t* opt = (const tnet_dhcp6_option_orequest_t*)self->data;
+ if(opt->codes){
+ /* option-len */
+ _2bytes = tnet_htons(opt->codes->size);
+ tsk_buffer_append(output, &(_2bytes), 2);
+ /* option-data */
+ ret = tsk_buffer_append(output, opt->codes->data, opt->codes->size);
+ }
+
+ }
+ break;
+ }
+ }
+bail:
+ return ret;
+}
+
+int tnet_dhcp6_option_serializeex(tnet_dhcp6_option_code_t code, uint8_t length, const void* value, tsk_buffer_t *output)
+{
+ return -1;
+}
+
+//
+// [[DHCPv6 OPTION]] object definition
+//
+static tsk_object_t* tnet_dhcp6_option_ctor(tsk_object_t * self, va_list * app)
+{
+ tnet_dhcp6_option_t *option = self;
+ if(option){
+ tnet_dhcp6_option_code_t code = va_arg(*app, tnet_dhcp6_option_code_t);
+ const void* payload = va_arg(*app, const void*);
+ tsk_size_t payload_size = va_arg(*app, tsk_size_t);
+
+ option->code = code;
+ if(payload && payload_size){
+ if((option->data = (tnet_dhcp6_option_data_t*)tsk_calloc(payload_size, sizeof(uint8_t)))){
+ memcpy(option->data, payload, payload_size);
+ option->len = payload_size;
+ }
+ }
+ }
+ return self;
+}
+
+static tsk_object_t* tnet_dhcp6_option_dtor(tsk_object_t * self)
+{
+ tnet_dhcp6_option_t *option = self;
+ if(option){
+ TSK_OBJECT_SAFE_FREE(option->data);
+ }
+ return self;
+}
+
+static const tsk_object_def_t tnet_dhcp6_option_def_s =
+{
+ sizeof(tnet_dhcp6_option_t),
+ tnet_dhcp6_option_ctor,
+ tnet_dhcp6_option_dtor,
+ tsk_null,
+};
+const tsk_object_def_t *tnet_dhcp6_option_def_t = &tnet_dhcp6_option_def_s;
+
+/*======================================================================================
+* RFC 3315 -
+ 22.2. Client Identifier Option
+ 22.3. Server Identifier Option
+*=======================================================================================*/
+//
+// [[DHCPv6 Option Request Option]] object definition
+//
+static tsk_object_t* tnet_dhcp6_option_identifier_ctor(tsk_object_t * self, va_list * app)
+{
+ tnet_dhcp6_option_identifier_t *option = self;
+ if(option){
+ //tnet_dhcp6_option_code_t code = va_arg(*app, tnet_dhcp6_option_code_t);
+ const void* payload = va_arg(*app, const void*);
+ tsk_size_t payload_size = va_arg(*app, tsk_size_t);
+
+ if(payload && payload_size){
+ /* DESERIALIZATION */
+ }
+ }
+ return self;
+}
+
+static tsk_object_t* tnet_dhcp6_option_identifier_dtor(tsk_object_t * self)
+{
+ tnet_dhcp6_option_identifier_t *option = self;
+ if(option){
+ TSK_OBJECT_SAFE_FREE(option->duid);
+ }
+ return self;
+}
+
+static const tsk_object_def_t tnet_dhcp6_option_identifier_def_s =
+{
+ sizeof(tnet_dhcp6_option_identifier_t),
+ tnet_dhcp6_option_identifier_ctor,
+ tnet_dhcp6_option_identifier_dtor,
+ tsk_null,
+};
+const tsk_object_def_t *tnet_dhcp6_option_identifier_def_t = &tnet_dhcp6_option_identifier_def_s;
+
+/*======================================================================================
+* RFC 3315 - 22.7. Option Request Option
+*=======================================================================================*/
+
+int tnet_dhcp6_option_orequest_add_code(tnet_dhcp6_option_orequest_t* self, uint16_t code)
+{
+ uint16_t _2bytes;
+ int ret = -1;
+ if(self){
+ if(!self->codes){
+ if(!(self->codes = tsk_buffer_create_null())){
+ return -3;
+ }
+ }
+ _2bytes = tnet_ntohs(code);
+ if(!(ret = tsk_buffer_append(self->codes, &_2bytes, 2))){
+ TNET_DHCP6_OPTION(self)->len += 2;
+ }
+ }
+ return ret;
+}
+
+//
+// [[DHCPv6 Option Request Option]] object definition
+//
+static tsk_object_t* tnet_dhcp6_option_orequest_ctor(tsk_object_t * self, va_list * app)
+{
+ tnet_dhcp6_option_orequest_t *option = self;
+ if(option){
+ const void* payload = va_arg(*app, const void*);
+ tsk_size_t payload_size = va_arg(*app, tsk_size_t);
+
+ if(payload && payload_size)
+ { /* DESERIALIZATION */
+ }
+ }
+ return self;
+}
+
+static tsk_object_t* tnet_dhcp6_option_orequest_dtor(tsk_object_t * self)
+{
+ tnet_dhcp6_option_orequest_t *option = self;
+ if(option){
+ TSK_OBJECT_SAFE_FREE(option->codes);
+ }
+ return self;
+}
+
+static const tsk_object_def_t tnet_dhcp6_option_orequest_def_s =
+{
+ sizeof(tnet_dhcp6_option_orequest_t),
+ tnet_dhcp6_option_orequest_ctor,
+ tnet_dhcp6_option_orequest_dtor,
+ tsk_null,
+};
+const tsk_object_def_t *tnet_dhcp6_option_orequest_def_t = &tnet_dhcp6_option_orequest_def_s;
+
+/*======================================================================================
+* RFC 3315 - 22.16. Vendor Class Option
+*=======================================================================================*/
+
+//
+// [[DHCPv6 Option Request Option]] object definition
+//
+static tsk_object_t* tnet_dhcp6_option_vendorclass_ctor(tsk_object_t * self, va_list * app)
+{
+ tnet_dhcp6_option_vendorclass_t *option = self;
+ if(option){
+ const void* payload = va_arg(*app, const void*);
+ tsk_size_t payload_size = va_arg(*app, tsk_size_t);
+
+ if(payload && payload_size){
+ /* DESERIALIZATION */
+ }
+ }
+ return self;
+}
+
+static tsk_object_t* tnet_dhcp6_option_vendorclass_dtor(tsk_object_t * self)
+{
+ tnet_dhcp6_option_vendorclass_t *option = self;
+ if(option){
+ TSK_OBJECT_SAFE_FREE(option->vendor_class_data);
+ }
+ return self;
+}
+
+static const tsk_object_def_t tnet_dhcp6_option_vendorclass_def_s =
+{
+ sizeof(tnet_dhcp6_option_vendorclass_t),
+ tnet_dhcp6_option_vendorclass_ctor,
+ tnet_dhcp6_option_vendorclass_dtor,
+ tsk_null,
+};
+const tsk_object_def_t *tnet_dhcp6_option_vendorclass_def_t = &tnet_dhcp6_option_vendorclass_def_s;
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