denozord/strongswan-ext
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

- wrote clone function for packed

Browse Source 
- test for whole packet functionality
This commit is contained in:
Jan Hutter
2005-11-10 15:38:12 +00:00
parent 1473b8f6c9
commit 3818e5c858
4 changed files with 216 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Source/charon/packet.c
+95 -20
View File
@@ -1,8 +1,8 @@
/**
* @file packet.h
*
* @brief UDP-Packet, contains data, sender and receiver
*
* @file packet.c
*
* @brief UDP-Packet, contains data, sender and receiver.
*
*/
/*
@@ -24,18 +24,82 @@
#include "packet.h"
static status_t destroy(packet_t *this)
/**
* Private data of an packet_t object
*/
typedef struct private_packet_s private_packet_t;
struct private_packet_s {
/**
* Public part of a packet_t object
*/
packet_t public;
/* private functions */
/**
* @brief helper function to set address used by set_dest & set_source.
*
* @param this calling object_t
* @param family address family
* @param saddr source address
* @param address address as string
* @return
* - SUCCESS if successfuly
* - NOT_SUPPORTED if family is not supported
*/
status_t (*set_addr) (private_packet_t *this, int family, struct sockaddr *saddr, char *address, u_int16_t port);
};
/**
* Implements packet_t's destroy function.
* See #packet_s.destroy for description.
*/
static status_t destroy(private_packet_t *this)
{
if (this->data.ptr != NULL)
if (this->public.data.ptr != NULL)
{
allocator_free(this->data.ptr);
allocator_free(this->public.data.ptr);
}
allocator_free(this);
return SUCCESS;
}
/**
* @brief helper function to set address used by set_dest & set_source
* Implements packet_t's clone function.
* See #packet_s.clone for description.
*/
static status_t clone (private_packet_t *packet, packet_t **clone)
{
*clone = packet_create(packet->public.family);
if ((*clone) == NULL)
{
return OUT_OF_RES;
}
(*clone)->sockaddr_len = packet->public.sockaddr_len;
(*clone)->source = packet->public.source;
(*clone)->destination = packet->public.destination;
/* only clone existing chunks :-) */
if (packet->public.data.ptr != NULL)
{
(*clone)->data.ptr = allocator_clone_bytes(packet->public.data.ptr,packet->public.data.len);
if ((*clone)->data.ptr == NULL)
{
(*clone)->destroy((*clone));
return OUT_OF_RES;
}
(*clone)->data.len = packet->public.data.len;
}
return SUCCESS;
}
/**
* Implements private_packet_t's set_addr function.
* See #private_packet_t.set_addr for description.
*/
static status_t set_addr(int family, struct sockaddr *saddr, char *address, u_int16_t port)
{
@@ -54,39 +118,50 @@ static status_t set_addr(int family, struct sockaddr *saddr, char *address, u_in
return NOT_SUPPORTED;
}
status_t set_destination(packet_t *this, char *address, u_int16_t port)
/**
* Implements packet_t's set_destination function.
* See #packet_t.set_destination for description.
*/
static status_t set_destination(packet_t *this, char *address, u_int16_t port)
{
struct sockaddr *saddr = &(this->destination);
return set_addr(this->family, saddr, address, port);
}
status_t set_source(packet_t *this, char *address, u_int16_t port)
/**
* Implements packet_t's set_source function.
* See #packet_t.set_source for description.
*/
static status_t set_source(packet_t *this, char *address, u_int16_t port)
{
struct sockaddr *saddr = &(this->source);
return set_addr(this->family, saddr, address, port);
}
/*
* Documented in header
*/
packet_t *packet_create(int family)
{
packet_t *this = allocator_alloc_thing(packet_t);
private_packet_t *this = allocator_alloc_thing(private_packet_t);
this->destroy = destroy;
this->set_destination = set_destination;
this->set_source = set_source;
this->public.destroy = (status_t(*) (packet_t *)) destroy;
this->public.set_destination = set_destination;
this->public.set_source = set_source;
this->public.clone = (status_t(*) (packet_t *,packet_t**))clone;
this->family = family;
this->public.family = family;
switch (family)
{
case AF_INET:
this->sockaddr_len = sizeof(struct sockaddr_in);
this->public.sockaddr_len = sizeof(struct sockaddr_in);
break;
default: /* not supported */
allocator_free(this);
return NULL;
}
this->data.len = 0;
this->data.ptr = NULL;
return this;
this->public.data.len = 0;
this->public.data.ptr = NULL;
return &(this->public);
}