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From: Balint Reczey 

I would like to handle the rare situation of Little Endian encoded
IP addresses, so i added a function which reads the address with
tvb_get_ipv4(), then swaps the bytes before SET_ADDRESS().


svn path=/trunk/; revision=21397
This commit is contained in:
Luis Ontanon 2007-04-12 22:45:22 +00:00
parent bbf2ad0977
commit 5f5f656108
2 changed files with 26 additions and 1 deletions
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2
AUTHORS
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@ -2510,7 +2510,7 @@ Authesserre Samuel <sauthess [AT] gmail.com> {
}
Balint Reczey <balint.reczey [AT] ericsson.com> {
Lua fixes
Lua fixes and enhancements
}
Stephen Fisher <stephentfisher [AT] yahoo.com> {

25
epan/wslua/wslua_tvb.c
View File

@ -702,6 +702,30 @@ WSLUA_METHOD TvbRange_get_ipv4(lua_State* L) {
WSLUA_RETURN(1); /* the IPv4 Address */
}
WSLUA_METHOD TvbRange_get_le_ipv4(lua_State* L) {
/* get an Little Endian IPv4 Address from a TvbRange. */
TvbRange tvbr = checkTvbRange(L,1);
Address addr;
guint32* ip_addr;
if ( !tvbr ) return 0;
if (tvbr->len != 4)
WSLUA_ERROR(TvbRange_get_ipv4,"The range must be 4 octets long");
addr = g_malloc(sizeof(address));
ip_addr = g_malloc(sizeof(guint32));
*ip_addr = tvb_get_ipv4(tvbr->tvb,tvbr->offset);
*((guint32 *)ip_addr) = GUINT32_SWAP_LE_BE(*((guint32 *)ip_addr));
SET_ADDRESS(addr, AT_IPv4, 4, ip_addr);
pushAddress(L,addr);
WSLUA_RETURN(1); /* the IPv4 Address */
}
WSLUA_METHOD TvbRange_get_ether(lua_State* L) {
/* get an Ethernet Address from a TvbRange. */
TvbRange tvbr = checkTvbRange(L,1);
@ -769,6 +793,7 @@ static const luaL_reg TvbRange_methods[] = {
{"le_float", TvbRange_get_le_float},
{"ether", TvbRange_get_ether},
{"ipv4", TvbRange_get_ipv4},
{"le_ipv4", TvbRange_get_le_ipv4},
{"string", TvbRange_get_string},
{"bytes", TvbRange_get_bytes},
{"tvb", Tvb_new_subset},