wireshark/epan/wslua/wslua_address.c

/*
 * wslua_address.c
 *
 * Wireshark's interface to the Lua Programming Language
 *
 * (c) 2006, Luis E. Garcia Ontanon <luis@ontanon.org>
 * (c) 2008, Balint Reczey <balint.reczey@ericsson.com>
 * (c) 2011, Stig Bjorlykke <stig@bjorlykke.org>
 * (c) 2014, Hadriel Kaplan <hadrielk@yahoo.com>
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 *
 * 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.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "config.h"

#include "wslua.h"

#include <epan/addr_resolv.h>

/* WSLUA_CONTINUE_MODULE Pinfo */


WSLUA_CLASS_DEFINE(Address,FAIL_ON_NULL("Address"),NOP); /* Represents an address. */

WSLUA_CONSTRUCTOR Address_ip(lua_State* L) {
    /* Creates an Address Object representing an IP address. */

#define WSLUA_ARG_Address_ip_HOSTNAME 1 /* The address or name of the IP host. */
    Address addr = (Address)g_malloc(sizeof(address));
    guint32 ip_addr;
    const gchar* name = luaL_checkstring(L,WSLUA_ARG_Address_ip_HOSTNAME);

    if (! get_host_ipaddr(name, &ip_addr)) {
        ip_addr = 0;
    }

    alloc_address_wmem(NULL, addr, AT_IPv4, 4, &ip_addr);
    pushAddress(L,addr);
    WSLUA_RETURN(1); /* The Address object. */
}

#if 0
/* TODO */
static int Address_ipv6(lua_State* L) {
    Address addr = g_malloc(sizeof(address));

    /* alloc_address() */

    pushAddress(L,addr);
    return 1;
}
static int Address_ss7(lua_State* L) {
    Address addr = g_malloc(sizeof(address));

    /* alloc_address() */

    pushAddress(L,addr);
    return 1;
}
static int Address_eth(lua_State* L) {
    Address addr = g_malloc(sizeof(address));

    /* alloc_address() */

    pushAddress(L,addr);
    return 1;
}
static int Address_sna(lua_State* L) {
    Address addr = g_malloc(sizeof(address));

    /* alloc_address() */

    pushAddress(L,addr);
    return 1;
}
static int Address_atalk(lua_State* L) {
    Address addr = g_malloc(sizeof(address));

    /* alloc_address() */

    pushAddress(L,addr);
    return 1;
}
static int Address_vines(lua_State* L) {
    Address addr = g_malloc(sizeof(address));

    /* alloc_address() */

    pushAddress(L,addr);
    return 1;
}
static int Address_osi(lua_State* L) {
    Address addr = g_malloc(sizeof(address));

    /* alloc_address() */

    pushAddress(L,addr);
    return 1;
}
static int Address_arcnet(lua_State* L) {
    Address addr = g_malloc(sizeof(address));

    /* alloc_address() */

    pushAddress(L,addr);
    return 1;
}
static int Address_fc(lua_State* L) {
    Address addr = g_malloc(sizeof(address));

    /* alloc_address() */

    pushAddress(L,addr);
    return 1;
}
static int Address_string(lua_State* L) {
    Address addr = g_malloc(sizeof(address));

    /* alloc_address() */

    pushAddress(L,addr);
    return 1;
}
static int Address_eui64(lua_State* L) {
    Address addr = g_malloc(sizeof(address));

    /* alloc_address() */

    pushAddress(L,addr);
    return 1;
}
static int Address_uri(lua_State* L) {
    Address addr = g_malloc(sizeof(address));

    /* alloc_address() */

    pushAddress(L,addr);
    return 1;
}
static int Address_tipc(lua_State* L) {
    Address addr = g_malloc(sizeof(address));

    /* alloc_address() */

    pushAddress(L,addr);
    return 1;
}
#endif

WSLUA_METHODS Address_methods[] = {
    WSLUA_CLASS_FNREG(Address,ip),
    WSLUA_CLASS_FNREG_ALIAS(Address,ipv4,ip),
#if 0
    WSLUA_CLASS_FNREG(Address,ipv6),
    WSLUA_CLASS_FNREG_ALIAS(Address,ss7pc,ss7),
    WSLUA_CLASS_FNREG(Address,eth),
    WSLUA_CLASS_FNREG(Address,sna},
    WSLUA_CLASS_FNREG(Address,atalk),
    WSLUA_CLASS_FNREG(Address,vines),
    WSLUA_CLASS_FNREG(Address,osi),
    WSLUA_CLASS_FNREG(Address,arcnet),
    WSLUA_CLASS_FNREG(Address,fc),
    WSLUA_CLASS_FNREG(Address,string),
    WSLUA_CLASS_FNREG(Address,eui64),
    WSLUA_CLASS_FNREG(Address,uri),
    WSLUA_CLASS_FNREG(Address,tipc),
#endif
    { NULL, NULL }
};

WSLUA_METAMETHOD Address__tostring(lua_State* L) {
    Address addr = checkAddress(L,1);
    gchar *str = address_to_display(NULL, addr);

    lua_pushstring(L, str);

    wmem_free(NULL, str);

    WSLUA_RETURN(1); /* The string representing the address. */
}

/* Gets registered as metamethod automatically by WSLUA_REGISTER_CLASS/META */
static int Address__gc(lua_State* L) {
    Address addr = toAddress(L,1);

    if (addr) {
        free_address(addr);
        g_free(addr);
    }

    return 0;
}

WSLUA_METAMETHOD Address__eq(lua_State* L) { /* Compares two Addresses. */
    Address addr1 = checkAddress(L,1);
    Address addr2 = checkAddress(L,2);
    gboolean result = FALSE;

    if (addresses_equal(addr1, addr2))
        result = TRUE;

    lua_pushboolean(L,result);

    return 1;
}

WSLUA_METAMETHOD Address__le(lua_State* L) { /* Compares two Addresses. */
    Address addr1 = checkAddress(L,1);
    Address addr2 = checkAddress(L,2);
    gboolean result = FALSE;

    if (cmp_address(addr1, addr2) <= 0)
        result = TRUE;

    lua_pushboolean(L,result);

    return 1;
}

WSLUA_METAMETHOD Address__lt(lua_State* L) { /* Compares two Addresses. */
    Address addr1 = checkAddress(L,1);
    Address addr2 = checkAddress(L,2);
    gboolean result = FALSE;

    if (cmp_address(addr1, addr2) < 0)
        result = TRUE;

    lua_pushboolean(L,result);

    return 1;
}

WSLUA_META Address_meta[] = {
    WSLUA_CLASS_MTREG(Address,tostring),
    WSLUA_CLASS_MTREG(Address,eq),
    WSLUA_CLASS_MTREG(Address,le),
    WSLUA_CLASS_MTREG(Address,lt),
    { NULL, NULL }
};


int Address_register(lua_State *L) {
    WSLUA_REGISTER_CLASS(Address);
    return 0;
}


/*
 * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
 *
 * Local variables:
 * c-basic-offset: 4
 * tab-width: 8
 * indent-tabs-mode: nil
 * End:
 *
 * vi: set shiftwidth=4 tabstop=8 expandtab:
 * :indentSize=4:tabSize=8:noTabs=true:
 */