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This commit is contained in:
Meatballs 2013-04-14 11:09:12 +01:00
parent 85dc7cc96e
commit 87dae3d449
2 changed files with 93 additions and 1 deletions
c/meterpreter
source/extensions/stdapi/server/net
resolve.c
workspace/ext_server_stdapi
ext_server_stdapi.vcxproj

91
c/meterpreter/source/extensions/stdapi/server/net/resolve.c Normal file

@ -0,0 +1,91 @@
#include "precomp.h"
#include <stdio.h>
#ifdef _WIN32
#include <ws2tcpip.h>
#include <winsock2.h>
#else
#include <netdb.h>
#include <arpa/inet.h>
#endif
DWORD resolve_host(LPCTSTR hostname, char* addr, u_short* addr_type, u_short* addr_length)
{
struct hostent *he;
int i = 0;
#ifdef _WIN32
WSADATA data;
if (WSAStartup (MAKEWORD(1, 1), &data) != 0)
{
dprintf("Could not initialise Winsock.\n", stderr);
return 1;
}
#endif
he = gethostbyname (hostname);
if (he == NULL)
{
return h_errno;
}
for(i = 0; i < he->h_length; i++)
{
memcpy(addr+i, &(he->h_addr_list[0][i]), 1);
}
*addr_type = he->h_addrtype;
*addr_length = he->h_length;
#ifdef _WIN32
WSACleanup ();
#endif
return h_errno;
}
DWORD request_resolve_host(Remote *remote, Packet *packet)
{
Packet *response = packet_create_response(packet);
LPCTSTR hostname = NULL;
char addr[16];
u_short addr_type;
u_short addr_length;
DWORD result = NULL;
hostname = packet_get_tlv_value_string(packet, TLV_TYPE_HOST_NAME);
if (!hostname)
result = ERROR_INVALID_PARAMETER;
else
{
result = resolve_host(hostname, addr, &addr_type, &addr_length);
packet_add_tlv_raw(response, TLV_TYPE_IP, addr, addr_length);
packet_add_tlv_uint(response, TLV_TYPE_ADDR_TYPE, addr_type);
}
packet_transmit_response(result, remote, response);
return ERROR_SUCCESS;
}
DWORD request_resolve_hosts(Remote *remote, Packet *packet)
{
Packet *response = packet_create_response(packet);
Tlv hostname = {0};
DWORD result = NULL;
int index = 0;
while( packet_enum_tlv( packet, index++, TLV_TYPE_HOST_NAME, &hostname ) == ERROR_SUCCESS )
{
char addr[16] = {0};
u_short addr_type = 0;
u_short addr_length = 0;
resolve_host((LPCTSTR)hostname.buffer, addr, &addr_type, &addr_length);
packet_add_tlv_raw(response, TLV_TYPE_IP, addr, addr_length);
packet_add_tlv_uint(response, TLV_TYPE_ADDR_TYPE, addr_type);
}
packet_transmit_response(result, remote, response);
return ERROR_SUCCESS;
}

3
c/meterpreter/workspace/ext_server_stdapi/ext_server_stdapi.vcxproj

@ -311,6 +311,7 @@
</ClCompile>
<ClCompile Include="..\..\source\extensions\stdapi\server\net\config\arp.c" />
<ClCompile Include="..\..\source\extensions\stdapi\server\net\config\netstat.c" />
<ClCompile Include="..\..\source\extensions\stdapi\server\net\resolve.c" />
<ClCompile Include="..\..\source\extensions\stdapi\server\stdapi.c">
<AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">%(PreprocessorDefinitions)</PreprocessorDefinitions>
@ -622,4 +623,4 @@
<ImportGroup Label="ExtensionTargets">
<Import Project="$(VCTargetsPath)\BuildCustomizations\masm.targets" />
</ImportGroup>
</Project>
</Project>