Christina Quast | 69d1f90 | 2015-04-03 11:41:23 +0200 | [diff] [blame] | 1 | import usb.core |
| 2 | import usb.util |
| 3 | |
Christina Quast | 88c7fa1 | 2015-04-06 00:35:03 +0200 | [diff] [blame] | 4 | from ccid_raw import SmartcardConnection |
Christina Quast | 158c1dd | 2015-04-17 20:19:29 +0200 | [diff] [blame^] | 5 | from smartcard_emulator import SmartCardEmulator |
Christina Quast | 95270b1 | 2015-04-04 19:59:03 +0200 | [diff] [blame] | 6 | |
Christina Quast | 88c7fa1 | 2015-04-06 00:35:03 +0200 | [diff] [blame] | 7 | from contextlib import closing |
| 8 | |
Christina Quast | f2e53f0 | 2015-04-11 08:42:38 +0200 | [diff] [blame] | 9 | from util import HEX |
Christina Quast | 9547e9f | 2015-04-14 22:18:30 +0200 | [diff] [blame] | 10 | from constants import * |
Christina Quast | 5384061 | 2015-04-16 11:10:59 +0200 | [diff] [blame] | 11 | from apdu_split import Apdu_splitter, apdu_states |
Christina Quast | 88c7fa1 | 2015-04-06 00:35:03 +0200 | [diff] [blame] | 12 | |
Christina Quast | 69d1f90 | 2015-04-03 11:41:23 +0200 | [diff] [blame] | 13 | def find_dev(): |
| 14 | dev = usb.core.find(idVendor=0x03eb, idProduct=0x6004) |
| 15 | if dev is None: |
| 16 | raise ValueError("Device not found") |
| 17 | else: |
| 18 | print("Found device") |
| 19 | return dev |
| 20 | |
Christina Quast | 88c7fa1 | 2015-04-06 00:35:03 +0200 | [diff] [blame] | 21 | def pattern_match(inpt): |
| 22 | print("Matching inpt", inpt) |
Christina Quast | 94ddb91 | 2015-04-11 12:29:41 +0200 | [diff] [blame] | 23 | if (inpt == ATR_SYSMOCOM1) or (inpt == ATR_STRANGE_SIM): |
| 24 | print("ATR: ", inpt) |
Christina Quast | 88c7fa1 | 2015-04-06 00:35:03 +0200 | [diff] [blame] | 25 | return NEW_ATR |
| 26 | elif (inpt == CMD_SEL_FILE): |
Christina Quast | 94ddb91 | 2015-04-11 12:29:41 +0200 | [diff] [blame] | 27 | print("CMD_SEL_FILE:", inpt) |
| 28 | return CMD_SEL_ROOT |
| 29 | elif (inpt == CMD_GET_DATA): |
| 30 | print("CMD_DATA:", inpt) |
Christina Quast | 88c7fa1 | 2015-04-06 00:35:03 +0200 | [diff] [blame] | 31 | return CMD_SEL_ROOT |
| 32 | else: |
| 33 | return inpt |
Christina Quast | 69d1f90 | 2015-04-03 11:41:23 +0200 | [diff] [blame] | 34 | |
Christina Quast | 88c7fa1 | 2015-04-06 00:35:03 +0200 | [diff] [blame] | 35 | def poll_ep(dev, ep): |
| 36 | try: |
Christina Quast | 3a47a4f | 2015-04-11 18:16:14 +0200 | [diff] [blame] | 37 | return dev.read(ep, 64, 10) |
Christina Quast | 88c7fa1 | 2015-04-06 00:35:03 +0200 | [diff] [blame] | 38 | except usb.core.USBError as e: |
| 39 | if e.errno != ERR_TIMEOUT: |
| 40 | raise |
| 41 | return None |
Christina Quast | 69d1f90 | 2015-04-03 11:41:23 +0200 | [diff] [blame] | 42 | |
Christina Quast | 88c7fa1 | 2015-04-06 00:35:03 +0200 | [diff] [blame] | 43 | def write_phone(dev, resp): |
Christina Quast | f2e53f0 | 2015-04-11 08:42:38 +0200 | [diff] [blame] | 44 | print("WR: ", HEX(resp)) |
Christina Quast | 3a47a4f | 2015-04-11 18:16:14 +0200 | [diff] [blame] | 45 | dev.write(PHONE_WR, resp, 10) |
Christina Quast | 88c7fa1 | 2015-04-06 00:35:03 +0200 | [diff] [blame] | 46 | |
Christina Quast | 158c1dd | 2015-04-17 20:19:29 +0200 | [diff] [blame^] | 47 | def do_mitm(sim_emul=True): |
Christina Quast | 69d1f90 | 2015-04-03 11:41:23 +0200 | [diff] [blame] | 48 | dev = find_dev() |
Christina Quast | 158c1dd | 2015-04-17 20:19:29 +0200 | [diff] [blame^] | 49 | if sim_emul == True: |
| 50 | my_class = SmartCardEmulator |
| 51 | else: |
| 52 | my_class = SmartcardConnection |
| 53 | with closing(my_class()) as sm_con: |
Christina Quast | 6f664a3 | 2015-04-06 19:08:04 +0200 | [diff] [blame] | 54 | atr = sm_con.getATR() |
Christina Quast | 5384061 | 2015-04-16 11:10:59 +0200 | [diff] [blame] | 55 | |
| 56 | apdus = [] |
| 57 | apdu = Apdu_splitter() |
| 58 | |
Christina Quast | 88c7fa1 | 2015-04-06 00:35:03 +0200 | [diff] [blame] | 59 | while True: |
| 60 | cmd = poll_ep(dev, PHONE_INT) |
| 61 | if cmd is not None: |
Christina Quast | f2e53f0 | 2015-04-11 08:42:38 +0200 | [diff] [blame] | 62 | print("Int line ", HEX(cmd)) |
Christina Quast | 88c7fa1 | 2015-04-06 00:35:03 +0200 | [diff] [blame] | 63 | assert cmd[0] == ord('R') |
Christina Quast | 6f664a3 | 2015-04-06 19:08:04 +0200 | [diff] [blame] | 64 | # FIXME: restart card anyways? |
| 65 | # sm_con.reset_card() |
Christina Quast | f2e53f0 | 2015-04-11 08:42:38 +0200 | [diff] [blame] | 66 | print("Write atr: ", HEX(atr)) |
Christina Quast | 6f664a3 | 2015-04-06 19:08:04 +0200 | [diff] [blame] | 67 | write_phone(dev, atr) |
Christina Quast | 69d1f90 | 2015-04-03 11:41:23 +0200 | [diff] [blame] | 68 | |
Christina Quast | 88c7fa1 | 2015-04-06 00:35:03 +0200 | [diff] [blame] | 69 | cmd = poll_ep(dev, PHONE_RD) |
| 70 | if cmd is not None: |
Christina Quast | f2e53f0 | 2015-04-11 08:42:38 +0200 | [diff] [blame] | 71 | print("RD: ", HEX(cmd)) |
Christina Quast | 5384061 | 2015-04-16 11:10:59 +0200 | [diff] [blame] | 72 | for c in cmd: |
| 73 | apdu.split(c) |
| 74 | if apdu.state == apdu_states.APDU_S_SW1: |
| 75 | if len(apdu.data) == 0: |
| 76 | # FIXME: implement other ACK types |
| 77 | write_phone(dev, apdu.ins) |
| 78 | apdu.split(apdu.ins) |
| 79 | else: |
| 80 | sim_data = sm_con.send_receive_cmd(apdu.buf) |
| 81 | write_phone(dev, sim_data) |
| 82 | for c in sim_data: |
| 83 | apdu.split(c) |
| 84 | elif apdu.state == apdu_states.APDU_S_FIN: |
| 85 | apdus.append(apdu) |
| 86 | apdu = Apdu_splitter() |