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This commit is contained in:
Martin Willi
2006-04-05 12:10:50 +00:00
parent 3dbbbf3e16
commit 6862128151
171 changed files with 674 additions and 1355 deletions
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Source/charon/network/Makefile.network
+3 -7
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@@ -12,17 +12,13 @@
# for more details.
#
NETWORK_DIR= $(MAIN_DIR)network/
NETWORK_DIR= $(CHARON_DIR)network/
OBJS+= $(BUILD_DIR)packet.o
CHARON_OBJS+= $(BUILD_DIR)packet.o
$(BUILD_DIR)packet.o : $(NETWORK_DIR)packet.c $(NETWORK_DIR)packet.h
$(CC) $(CFLAGS) -c -o $@ $<
OBJS+= $(BUILD_DIR)socket.o
CHARON_OBJS+= $(BUILD_DIR)socket.o
$(BUILD_DIR)socket.o : $(NETWORK_DIR)socket.c $(NETWORK_DIR)socket.h
$(CC) $(CFLAGS) -c -o $@ $<
OBJS+= $(BUILD_DIR)host.o
$(BUILD_DIR)host.o : $(NETWORK_DIR)host.c $(NETWORK_DIR)host.h
$(CC) $(CFLAGS) -c -o $@ $<
Source/charon/network/host.c
-365
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@@ -1,365 +0,0 @@
/**
* @file host.c
*
* @brief Implementation of host_t.
*
*/
/*
* Copyright (C) 2005 Jan Hutter, Martin Willi
* Hochschule fuer Technik Rapperswil
*
* This program 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 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program 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.
*/
#include "host.h"
#include <utils/allocator.h>
typedef struct private_host_t private_host_t;
/**
* @brief Private Data of a host object.
*/
struct private_host_t {
/**
* Public data
*/
host_t public;
/**
* Address family to use, such as AF_INET or AF_INET6
*/
int family;
/**
* string representation of host
*/
char *string;
/**
* low-lewel structure, wich stores the address
*/
union {
struct sockaddr address;
struct sockaddr_in address4;
};
/**
* length of address structure
*/
socklen_t socklen;
};
/**
* implements host_t.get_sockaddr
*/
static sockaddr_t *get_sockaddr(private_host_t *this)
{
return &(this->address);
}
/**
* implements host_t.get_sockaddr_len
*/
static socklen_t *get_sockaddr_len(private_host_t *this)
{
return &(this->socklen);
}
/**
* Implementation of host_t.is_default_route.
*/
static bool is_default_route (private_host_t *this)
{
switch (this->family)
{
case AF_INET:
{
static u_int8_t default_route[4] = {0x00,0x00,0x00,0x00};
if (memcmp(default_route,&(this->address4.sin_addr.s_addr),4) == 0)
{
return TRUE;
}
return FALSE;
}
default:
{
/* empty chunk is returned */
return FALSE;
}
}
}
/**
* implements host_t.get_address
*/
static char *get_address(private_host_t *this)
{
switch (this->family)
{
case AF_INET:
{
char *string;
/* we need to clone it, since inet_ntoa overwrites
* internal buffer on subsequent calls
*/
allocator_free(this->string);
string = inet_ntoa(this->address4.sin_addr);
this->string = allocator_alloc(strlen(string)+1);
strcpy(this->string, string);
return this->string;
}
default:
{
return "(family not supported)";
}
}
}
/**
* Implementation of host_t.get_address_as_chunk.
*/
static chunk_t get_address_as_chunk(private_host_t *this)
{
chunk_t address = CHUNK_INITIALIZER;
switch (this->family)
{
case AF_INET:
{
/* allocate 4 bytes for IPV4 address*/
address.ptr = allocator_alloc(4);
address.len = 4;
memcpy(address.ptr,&(this->address4.sin_addr.s_addr),4);
}
default:
{
/* empty chunk is returned */
return address;
}
}
}
static xfrm_address_t get_xfrm_addr(private_host_t *this)
{
switch (this->family)
{
case AF_INET:
{
return (xfrm_address_t)(this->address4.sin_addr.s_addr);
}
default:
{
/* todo */
return (xfrm_address_t)(this->address4.sin_addr.s_addr);
}
}
}
static int get_family(private_host_t *this)
{
return this->family;
}
/**
* implements host_t.get_port
*/
static u_int16_t get_port(private_host_t *this)
{
switch (this->family)
{
case AF_INET:
{
return ntohs(this->address4.sin_port);
}
default:
{
return 0;
}
}
}
/**
* Implements host_t.clone.
*/
static private_host_t *clone(private_host_t *this)
{
private_host_t *new = allocator_alloc_thing(private_host_t);
memcpy(new, this, sizeof(private_host_t));
if (this->string)
{
new->string = allocator_alloc(strlen(this->string)+1);
strcpy(new->string, this->string);
}
return new;
}
/**
* Impelements host_t.ip_equals
*/
static bool ip_equals(private_host_t *this, private_host_t *other)
{
switch (this->family)
{
/* IPv4 */
case AF_INET:
{
if ((this->address4.sin_family == other->address4.sin_family) &&
(this->address4.sin_addr.s_addr == other->address4.sin_addr.s_addr))
{
return TRUE;
}
}
}
return FALSE;
}
/**
* Impelements host_t.equals
*/
static bool equals(private_host_t *this, private_host_t *other)
{
switch (this->family)
{
/* IPv4 */
case AF_INET:
{
if ((this->address4.sin_family == other->address4.sin_family) &&
(this->address4.sin_addr.s_addr == other->address4.sin_addr.s_addr) &&
(this->address4.sin_port == other->address4.sin_port))
{
return TRUE;
}
}
}
return FALSE;
}
/**
* Implements host_t.destroy
*/
static void destroy(private_host_t *this)
{
allocator_free(this->string);
allocator_free(this);
}
/**
* Creates an empty host_t object
*/
static private_host_t *host_create_empty()
{
private_host_t *this = allocator_alloc_thing(private_host_t);
this->public.get_sockaddr = (sockaddr_t* (*) (host_t*))get_sockaddr;
this->public.get_sockaddr_len = (socklen_t*(*) (host_t*))get_sockaddr_len;
this->public.clone = (host_t* (*) (host_t*))clone;
this->public.get_family = (int (*) (host_t*))get_family;
this->public.get_xfrm_addr = (xfrm_address_t (*) (host_t *))get_xfrm_addr;
this->public.get_address = (char* (*) (host_t *))get_address;
this->public.get_address_as_chunk = (chunk_t (*) (host_t *)) get_address_as_chunk;
this->public.get_port = (u_int16_t (*) (host_t *))get_port;
this->public.ip_equals = (bool (*) (host_t *,host_t *)) ip_equals;
this->public.equals = (bool (*) (host_t *,host_t *)) equals;
this->public.is_default_route = (bool (*) (host_t *)) is_default_route;
this->public.destroy = (void (*) (host_t*))destroy;
this->string = NULL;
return this;
}
/*
* Described in header.
*/
host_t *host_create(int family, char *address, u_int16_t port)
{
private_host_t *this = host_create_empty();
this->family = family;
switch (family)
{
/* IPv4 */
case AF_INET:
{
this->address4.sin_family = AF_INET;
this->address4.sin_addr.s_addr = inet_addr(address);
this->address4.sin_port = htons(port);
this->socklen = sizeof(struct sockaddr_in);
return &(this->public);
}
default:
{
allocator_free(this);
return NULL;
}
}
}
/*
* Described in header.
*/
host_t *host_create_from_chunk(int family, chunk_t address, u_int16_t port)
{
private_host_t *this = host_create_empty();
this->family = family;
switch (family)
{
/* IPv4 */
case AF_INET:
{
if (address.len != 4)
{
break;
}
this->address4.sin_family = AF_INET;
memcpy(&(this->address4.sin_addr.s_addr),address.ptr,4);
this->address4.sin_port = htons(port);
this->socklen = sizeof(struct sockaddr_in);
return &(this->public);
}
}
allocator_free(this);
return NULL;
}
/*
* Described in header.
*/
host_t *host_create_from_sockaddr(sockaddr_t *sockaddr)
{
chunk_t address;
switch (sockaddr->sa_family)
{
/* IPv4 */
case AF_INET:
{
struct sockaddr_in *sin = (struct sockaddr_in *)sockaddr;
address.ptr = (void*)&(sin->sin_addr.s_addr);
address.len = 4;
return host_create_from_chunk(AF_INET, address, ntohs(sin->sin_port));
}
default:
return NULL;
}
}
Source/charon/network/host.h
-225
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@@ -1,225 +0,0 @@
/**
* @file host.h
*
* @brief Interface of host_t.
*
*/
/*
* Copyright (C) 2005 Jan Hutter, Martin Willi
* Hochschule fuer Technik Rapperswil
*
* This program 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 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program 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.
*/
#ifndef HOST_H_
#define HOST_H_
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <linux/xfrm.h>
#include <types.h>
typedef struct host_t host_t;
/**
* @brief Representates a Host
*
* Host object, identifies a address:port pair and defines some
* useful functions on it.
*
* @b Constructors:
* - host_create()
* - host_create_from_chunk()
* - host_create_from_sockaddr()
*
* @todo Add IPv6 support
*
* @ingroup network
*/
struct host_t {
/**
* @brief Build a clone of this host object.
*
* @param this object to clone
* @return cloned host
*/
host_t *(*clone) (host_t *this);
/**
* @brief Get a pointer to the internal sockaddr struct.
*
* This is used for sending and receiving via sockets.
*
* @param this object to clone
* @return pointer to the internal sockaddr structure
*/
sockaddr_t *(*get_sockaddr) (host_t *this);
/**
* @brief Get the length of the sockaddr struct.
*
* Sepending on the family, the length of the sockaddr struct
* is different. Use this function to get the length of the sockaddr
* struct returned by get_sock_addr.
*
* This is used for sending and receiving via sockets.
*
* @param this object to clone
* @return length of the sockaddr struct
*/
socklen_t *(*get_sockaddr_len) (host_t *this);
/**
* @brief Gets the address as xfrm_address_t.
*
* This function allows the conversion to an
* xfrm_address_t, used for netlink communication
* with the kernel.
*
* @see kernel_interface_t.
*
* @param this calling object
* @return address in xfrm_address_t format
*/
xfrm_address_t (*get_xfrm_addr) (host_t *this);
/**
* @brief Gets the family of the address
*
* @param this calling object
* @return family
*/
int (*get_family) (host_t *this);
/**
* @brief get the address of this host
*
* Mostly used for debugging purposes.
* @warning string must NOT be freed
*
* @param this object
* @return address string,
*/
char* (*get_address) (host_t *this);
/**
* @brief Checks if the ip address of host is set to default route.
*
* @param this calling object
* @return
* - TRUE if host has IP 0.0.0.0 for default route
* - FALSE otherwise
*/
bool (*is_default_route) (host_t *this);
/**
* @brief get the address of this host as chunk_t
*
* @warning returned chunk has to get destroyed by caller.
*
* @param this object
* @return address string,
*/
chunk_t (*get_address_as_chunk) (host_t *this);
/**
* @brief get the port of this host
*
* Mostly used for debugging purposes.
*
* @param this object to clone
* @return port number
*/
u_int16_t (*get_port) (host_t *this);
/**
* @brief Compare the ips of two hosts hosts.
*
* @param this object to compare
* @param other the other to compare
* @return TRUE if addresses are equal.
*/
bool (*ip_equals) (host_t *this, host_t *other);
/**
* @brief Compare two hosts, with port.
*
* @param this object to compare
* @param other the other to compare
* @return TRUE if addresses and ports are equal.
*/
bool (*equals) (host_t *this, host_t *other);
/**
* @brief Destroy this host object
*
* @param this calling
* @return SUCCESS in any case
*/
void (*destroy) (host_t *this);
};
/**
* @brief Constructor to create a host_t object from an address string
*
* Currently supports only IPv4!
*
* @param family Address family to use for this object, such as AF_INET or AF_INET6
* @param address string of an address, such as "152.96.193.130"
* @param port port number
* @return
* - host_t object
* - NULL, if family not supported.
*
* @ingroup network
*/
host_t *host_create(int family, char *address, u_int16_t port);
/**
* @brief Constructor to create a host_t object from an address chunk
*
* Currently supports only IPv4!
*
* @param family Address family to use for this object, such as AF_INET or AF_INET6
* @param address address as 4 byte chunk_t in networ order
* @param port port number
* @return
* - host_t object
* - NULL, if family not supported or chunk_t length not 4 bytes.
*
* @ingroup network
*/
host_t *host_create_from_chunk(int family, chunk_t address, u_int16_t port);
/**
* @brief Constructor to create a host_t object from a sockaddr struct
*
* Currently supports only IPv4!
*
* @param sockaddr sockaddr struct which contains family, address and port
* @return
* - host_t object
* - NULL, if family not supported.
*
* @ingroup network
*/
host_t *host_create_from_sockaddr(sockaddr_t *sockaddr);
#endif /*HOST_H_*/
Source/charon/network/packet.h
+1 -1
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@@ -25,7 +25,7 @@
#include <types.h>
#include <network/host.h>
#include <utils/host.h>
typedef struct packet_t packet_t;