proxmark3/client/proxmark3.c
2017-12-21 10:08:07 +01:00

508 lines
14 KiB
C

//-----------------------------------------------------------------------------
// Copyright (C) 2009 Michael Gernoth <michael at gernoth.net>
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// Main binary
//-----------------------------------------------------------------------------
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <unistd.h>
#include <readline/readline.h>
#include <readline/history.h>
#include "proxmark3.h"
#include "proxgui.h"
#include "cmdmain.h"
#include "uart.h"
#include "ui.h"
#include "util.h"
#include "cmdparser.h"
#include "cmdhw.h"
#include "whereami.h"
#if defined (_WIN32)
#define SERIAL_PORT_H "com3"
#elif defined(__APPLE__)
#define SERIAL_PORT_H "/dev/cu.usbmodem888"
#else
#define SERIAL_PORT_H "/dev/ttyACM0"
#endif
static serial_port sp;
static UsbCommand txcmd;
static char comport[255];
byte_t rx[sizeof(UsbCommand)];
byte_t* prx = rx;
volatile static bool txcmd_pending = false;
void SendCommand(UsbCommand *c) {
#if 0
pthread_mutex_lock(&print_lock);
printf("Sending %d bytes\n", sizeof(UsbCommand));
pthread_mutex_unlock(&print_lock);
#endif
if (offline) {
PrintAndLog("Sending bytes to proxmark failed - offline");
return;
}
/**
The while-loop below causes hangups at times, when the pm3 unit is unresponsive
or disconnected. The main console thread is alive, but comm thread just spins here.
Not good.../holiman
**/
while (txcmd_pending);
txcmd = *c;
__atomic_test_and_set(&txcmd_pending, __ATOMIC_SEQ_CST);
}
struct receiver_arg {
int run;
};
#if defined(__linux__) || (__APPLE__)
static void showBanner(void){
printf("\n\n");
printf("\e[34m██████╗ ███╗ ███╗ ████╗\e[0m ...iceman fork\n");
printf("\e[34m██╔══██╗████╗ ████║ ══█║\e[0m\n");
printf("\e[34m██████╔╝██╔████╔██║ ████╔╝\e[0m\n");
printf("\e[34m██╔═══╝ ██║╚██╔╝██║ ══█║\e[0m iceman@icesql.net\n");
printf("\e[34m██║ ██║ ╚═╝ ██║ ████╔╝\e[0m https://github.com/iceman1001/proxmark3\n");
printf("\e[34m╚═╝ ╚═╝ ╚═╝ ╚═══╝\e[0m v3.1.0\n");
printf("\nKeep iceman fork alive with a donation! https://paypal.me/iceman1001/");
printf("\nMONERO: 43mNJLpgBVaTvyZmX9ajcohpvVkaRy1kbZPm8tqAb7itZgfuYecgkRF36rXrKFUkwEGeZedPsASRxgv4HPBHvJwyJdyvQuP");
printf("\n\n\n");
}
#endif
bool hookUpPM3() {
bool ret = false;
sp = uart_open( comport );
if (sp == INVALID_SERIAL_PORT) {
printf("Reconnect failed, retrying... (reason: invalid serial port)\n");
ret = false;
offline = 1;
} else if (sp == CLAIMED_SERIAL_PORT) {
printf("Reconnect failed, retrying... (reason: serial port is claimed by another process)\n");
ret = false;
offline = 1;
} else {
printf("Proxmark reconnected\n");
ret = true;
offline = 0;
}
return ret;
}
// (iceman) if uart_receiver fails a command three times, we conside the device to be offline.
void *uart_receiver(void *targ) {
struct receiver_arg *arg = (struct receiver_arg*)targ;
size_t rxlen;
bool tmpsignal;
int counter_to_offline = 0;
while (arg->run) {
rxlen = 0;
if (uart_receive(sp, prx, sizeof(UsbCommand) - (prx-rx), &rxlen)) {
if ( rxlen == 0 ) continue;
prx += rxlen;
if ( (prx-rx) < sizeof(UsbCommand)) {
continue;
}
UsbCommandReceived((UsbCommand*)rx);
}
prx = rx;
__atomic_load(&txcmd_pending, &tmpsignal, __ATOMIC_SEQ_CST);
if ( tmpsignal ) {
bool res = uart_send(sp, (byte_t*) &txcmd, sizeof(UsbCommand));
if (!res) {
counter_to_offline++;
PrintAndLog("Sending bytes to proxmark failed");
}
__atomic_clear(&txcmd_pending, __ATOMIC_SEQ_CST);
// set offline flag
if ( counter_to_offline == 3 ) {
__atomic_test_and_set(&offline, __ATOMIC_SEQ_CST);
break;
}
}
}
// when this reader thread dies, we close the serial port.
uart_close(sp);
pthread_exit(NULL);
return NULL;
}
void main_loop(char *script_cmds_file, char *script_cmd, bool usb_present) {
struct receiver_arg rarg;
char *cmd = NULL;
pthread_t reader_thread;
bool execCommand = (script_cmd != NULL);
bool stdinOnPipe = !isatty(STDIN_FILENO);
FILE *sf = NULL;
char script_cmd_buf[256] = {0x00}; // iceman, needs lua script the same file_path_buffer as the rest
if (usb_present) {
rarg.run = 1;
pthread_create(&reader_thread, NULL, &uart_receiver, &rarg);
// cache Version information now:
if ( execCommand || script_cmds_file || stdinOnPipe)
CmdVersion("s");
else
CmdVersion("");
}
if (script_cmds_file) {
sf = fopen(script_cmds_file, "r");
if (sf)
printf("executing commands from file: %s\n", script_cmds_file);
}
read_history(".history");
// loops every time enter is pressed...
while(1) {
// this should hook up the PM3 again.
if (offline) {
// sets the global variable, SP and offline)
usb_present = hookUpPM3();
// usb and the reader_thread is NULL, create a new reader thread.
if (usb_present && !offline) {
rarg.run = 1;
pthread_create(&reader_thread, NULL, &uart_receiver, &rarg);
// cache Version information now:
if ( execCommand || script_cmds_file || stdinOnPipe)
CmdVersion("s");
else
CmdVersion("");
}
}
// If there is a script file
if (sf) {
memset(script_cmd_buf, 0, sizeof(script_cmd_buf));
if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), sf)) {
fclose(sf);
sf = NULL;
} else {
strcleanrn(script_cmd_buf, sizeof(script_cmd_buf));
if ((cmd = strmcopy(script_cmd_buf)) != NULL) {
printf(PROXPROMPT"%s\n", cmd);
}
}
} else {
// If there is a script command
if (execCommand){
if ((cmd = strmcopy(script_cmd)) != NULL) {
printf(PROXPROMPT"%s\n", cmd);
}
execCommand = false;
} else {
// exit after exec command
if (script_cmd)
break;
// if there is a pipe from stdin
if (stdinOnPipe) {
memset(script_cmd_buf, 0, sizeof(script_cmd_buf));
if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), stdin)) {
printf("\nstdin end, exit...\n");
break;
}
strcleanrn(script_cmd_buf, sizeof(script_cmd_buf));
if ((cmd = strmcopy(script_cmd_buf)) != NULL) {
printf(PROXPROMPT"%s\n", cmd);
}
} else {
// read command from command prompt
cmd = readline(PROXPROMPT);
}
}
}
// execute command
if (cmd) {
// rtrim
size_t l = strlen(cmd);
if ( l > 0 && isspace(cmd[l - 1]))
cmd[l-1] = 0x00;
if (cmd[0] != 0x00) {
int ret = CommandReceived(cmd);
add_history(cmd);
// exit or quit
if (ret == 99)
break;
}
free(cmd);
cmd = NULL;
} else {
pthread_mutex_lock(&print_lock);
printf("\n");
pthread_mutex_unlock(&print_lock);
break;
}
}
if (sf)
fclose(sf);
write_history(".history");
free(cmd);
cmd = NULL;
if (usb_present) {
rarg.run = 0;
pthread_join(reader_thread, NULL);
}
}
static void dumpAllHelp(int markdown) {
printf("\n%sProxmark3 command dump%s\n\n", markdown ? "# " : "", markdown ? "" : "\n======================");
printf("Some commands are available only if a Proxmark is actually connected.%s\n", markdown ? " " : "");
printf("Check column \"offline\" for their availability.\n");
printf("\n");
command_t *cmds = getTopLevelCommandTable();
dumpCommandsRecursive(cmds, markdown);
}
static char *my_executable_path = NULL;
static char *my_executable_directory = NULL;
const char *get_my_executable_path(void) {
return my_executable_path;
}
const char *get_my_executable_directory(void) {
return my_executable_directory;
}
static void set_my_executable_path(void) {
int path_length = wai_getExecutablePath(NULL, 0, NULL);
if (path_length != -1) {
my_executable_path = (char*)malloc(path_length + 1);
int dirname_length = 0;
if (wai_getExecutablePath(my_executable_path, path_length, &dirname_length) != -1) {
my_executable_path[path_length] = '\0';
my_executable_directory = (char *)malloc(dirname_length + 2);
strncpy(my_executable_directory, my_executable_path, dirname_length+1);
my_executable_directory[dirname_length+1] = '\0';
}
}
}
static void show_help(bool showFullHelp, char *command_line){
printf("syntax: %s <port> [-h|-help|-m|-f|-flush|-w|-wait|-c|-command|-l|-lua] [cmd_script_file_name] [command][lua_script_name]\n", command_line);
printf("\tLinux example:'%s /dev/ttyACM0'\n", command_line);
printf("\tWindows example:'%s com3'\n\n", command_line);
if (showFullHelp){
printf("help: <-h|-help> Dump all interactive command's help at once.\n");
printf("\t%s -h\n\n", command_line);
printf("markdown: <-m> Dump all interactive help at once in markdown syntax\n");
printf("\t%s -m\n\n", command_line);
printf("flush: <-f|-flush> Output will be flushed after every print.\n");
printf("\t%s -f\n\n", command_line);
printf("wait: <-w|-wait> 20sec waiting the serial port to appear in the OS\n");
printf("\t%s "SERIAL_PORT_H" -w\n\n", command_line);
printf("script: A script file with one proxmark3 command per line.\n\n");
printf("command: <-c|-command> Execute one proxmark3 command.\n");
printf("\t%s "SERIAL_PORT_H" -c \"hf mf chk 1* ?\"\n", command_line);
printf("\t%s "SERIAL_PORT_H" -command \"hf mf nested 1 *\"\n\n", command_line);
printf("lua: <-l|-lua> Execute lua script.\n");
printf("\t%s "SERIAL_PORT_H" -l hf_read\n\n", command_line);
}
}
int main(int argc, char* argv[]) {
srand(time(0));
bool usb_present = false;
bool waitCOMPort = false;
bool executeCommand = false;
bool addLuaExec = false;
char *script_cmds_file = NULL;
char *script_cmd = NULL;
if (argc < 2) {
show_help(true, argv[0]);
return 1;
}
// lets copy the comport string.
memset(comport, 0, sizeof(comport));
memcpy(comport, argv[1], strlen(argv[1]));
for (int i = 1; i < argc; i++) {
// helptext
if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "-help") == 0) {
show_help(false, argv[0]);
dumpAllHelp(0);
return 0;
}
// dump markup
if (strcmp(argv[i], "-m") == 0) {
dumpAllHelp(1);
return 0;
}
// flush output
if(strcmp(argv[i], "-f") == 0 || strcmp(argv[i], "-flush") == 0){
printf("Output will be flushed after every print.\n");
flushAfterWrite = 1;
}
// wait for comport
if(strcmp(argv[i], "-w") == 0 || strcmp(argv[i], "-wait") == 0){
waitCOMPort = true;
}
// execute pm3 command
if(strcmp(argv[i], "-c") == 0 || strcmp(argv[i], "-command") == 0){
executeCommand = true;
}
// execute lua script
if(strcmp(argv[i], "-l") == 0 || strcmp(argv[i], "-lua") == 0){
executeCommand = true;
addLuaExec = true;
}
}
// If the user passed the filename of the 'script' to execute, get it from last parameter
if (argc > 2 && argv[argc - 1] && argv[argc - 1][0] != '-') {
if (executeCommand){
script_cmd = argv[argc - 1];
while(script_cmd[strlen(script_cmd) - 1] == ' ')
script_cmd[strlen(script_cmd) - 1] = 0x00;
if (strlen(script_cmd) == 0) {
script_cmd = NULL;
} else {
if (addLuaExec){
// add "script run " to command
char *ctmp = NULL;
int len = strlen(script_cmd) + 11 + 1;
if ((ctmp = (char*) malloc(len)) != NULL) {
memset(ctmp, 0, len);
strcpy(ctmp, "script run ");
strcpy(&ctmp[11], script_cmd);
script_cmd = ctmp;
}
}
printf("Execute command from commandline: %s\n", script_cmd);
}
} else {
script_cmds_file = argv[argc - 1];
}
}
// check command
if (executeCommand && (!script_cmd || strlen(script_cmd) == 0)){
printf("ERROR: execute command: command not found.\n");
return 2;
}
#if defined(__linux__) || (__APPLE__)
// ascii art doesn't work well on mingw :(
bool stdinOnPipe = !isatty(STDIN_FILENO);
if ( !executeCommand && !script_cmds_file && !stdinOnPipe )
showBanner();
#endif
// set global variables
set_my_executable_path();
// open uart
if (!waitCOMPort) {
sp = uart_open(argv[1]);
} else {
printf("Waiting for Proxmark to appear on %s ", argv[1]);
fflush(stdout);
int openCount = 0;
do {
sp = uart_open(argv[1]);
msleep(1000);
printf(".");
fflush(stdout);
} while(++openCount < 20 && (sp == INVALID_SERIAL_PORT || sp == CLAIMED_SERIAL_PORT));
printf("\n");
}
// check result of uart opening
if (sp == INVALID_SERIAL_PORT) {
printf("ERROR: invalid serial port\n");
usb_present = false;
offline = 1;
} else if (sp == CLAIMED_SERIAL_PORT) {
printf("ERROR: serial port is claimed by another process\n");
usb_present = false;
offline = 1;
} else {
usb_present = true;
offline = 0;
}
// create a mutex to avoid interlacing print commands from our different threads
pthread_mutex_init(&print_lock, NULL);
#ifdef HAVE_GUI
# ifdef _WIN32
InitGraphics(argc, argv, script_cmds_file, script_cmd, usb_present);
MainGraphics();
# else
// for *nix distro's, check enviroment variable to verify a display
char* display = getenv("DISPLAY");
if (display && strlen(display) > 1) {
InitGraphics(argc, argv, script_cmds_file, script_cmd, usb_present);
MainGraphics();
} else {
main_loop(script_cmds_file, script_cmd, usb_present);
}
# endif
#else
main_loop(script_cmds_file, script_cmd, usb_present);
#endif
// clean up mutex
pthread_mutex_destroy(&print_lock);
exit(0);
}