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Changes On Branch 27d18fd03aac61b9
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Changes In Branch protected-auth-path Through [27d18fd03a] Excluding Merge-Ins

This is equivalent to a diff from 8a76f09a85 to 27d18fd03a

2013-09-14
04:11
Merged in changes from piv check-in: 5f8f3e59a7 user: rkeene tags: protected-auth-path
2013-08-19
03:19
Fixed memory leak when checking PIV certificates check-in: 182c88b988 user: rkeene tags: piv
2013-08-18
06:53
First work towards implementing C_WaitForSlotEvent check-in: 4d4946cc1f user: rkeene tags: wait-for-slot-event
2013-08-14
06:29
Updated to not dead-lock when prompting for PIN during a signing operation check-in: 27d18fd03a user: rkeene tags: protected-auth-path
05:53
If using Protected Authentication Path, don't set the LOGIN_REQUIRED flag check-in: 14d49a499f user: rkeene tags: protected-auth-path
04:54
Added support for enabling the PROTECTED_AUTHENTICATION_PATH flag for the token if a command to provide the PIN is configured check-in: 8a76f09a85 user: rkeene tags: piv
04:49
Merged trunk check-in: 2e12e46ded user: rkeene tags: piv
04:22
Merged in updates check-in: 5469f9a4d0 user: rkeene tags: protected-auth-path

Modified cackey.c from [ce38432e82] to [37c3fd69d4].

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	if (slot->pcsc_card_connected) {
		SCardDisconnect(slot->pcsc_card, SCARD_LEAVE_CARD);
	}

	slot->slot_reset = 1;
	slot->pcsc_card_connected = 0;

	slot->token_flags = CKF_LOGIN_REQUIRED;




	CACKEY_DEBUG_PRINTF("Returning.");

	return;
}

/*








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	if (slot->pcsc_card_connected) {
		SCardDisconnect(slot->pcsc_card, SCARD_LEAVE_CARD);
	}

	slot->slot_reset = 1;
	slot->pcsc_card_connected = 0;
	if (cackey_pin_command == NULL) {
		slot->token_flags = CKF_LOGIN_REQUIRED;
	} else {
		slot->token_flags = 0;
	}

	CACKEY_DEBUG_PRINTF("Returning.");

	return;
}

/*
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					free(tmpbuf_s);
				}
			}

			/* End transaction */
			cackey_end_transaction(slot);

			if (respcode == 0x6982) {
				CACKEY_DEBUG_PRINTF("Security status not satisified.  Returning NEEDLOGIN");

				cackey_mark_slot_reset(slot);
				slot->token_flags = CKF_LOGIN_REQUIRED;

				return(CACKEY_PCSC_E_NEEDLOGIN);
			}

			if (send_ret == CACKEY_PCSC_E_TOKENABSENT) {
				CACKEY_DEBUG_PRINTF("Token absent.  Returning TOKENABSENT");









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					free(tmpbuf_s);
				}
			}

			/* End transaction */
			cackey_end_transaction(slot);

			if (respcode == 0x6982 || respcode == 0x6e00) {
				CACKEY_DEBUG_PRINTF("Security status not satisified.  Returning NEEDLOGIN");

				cackey_mark_slot_reset(slot);


				return(CACKEY_PCSC_E_NEEDLOGIN);
			}

			if (send_ret == CACKEY_PCSC_E_TOKENABSENT) {
				CACKEY_DEBUG_PRINTF("Token absent.  Returning TOKENABSENT");
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						if (slot_reset) {
							cackey_slots[currslot].active = 1;
							cackey_slots[currslot].internal = 0;
							cackey_slots[currslot].pcsc_reader = strdup(pcsc_readers);
							cackey_slots[currslot].pcsc_card_connected = 0;
							cackey_slots[currslot].transaction_depth = 0;
							cackey_slots[currslot].transaction_need_hw_lock = 0;

							cackey_slots[currslot].token_flags = CKF_LOGIN_REQUIRED;



							cackey_slots[currslot].label = NULL;

							cackey_mark_slot_reset(&cackey_slots[currslot]);
						}
					} else {
						/* Artificially increase the number of active slots by what will become active */
						slot_count++;








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						if (slot_reset) {
							cackey_slots[currslot].active = 1;
							cackey_slots[currslot].internal = 0;
							cackey_slots[currslot].pcsc_reader = strdup(pcsc_readers);
							cackey_slots[currslot].pcsc_card_connected = 0;
							cackey_slots[currslot].transaction_depth = 0;
							cackey_slots[currslot].transaction_need_hw_lock = 0;
							if (cackey_pin_command == NULL) {
								cackey_slots[currslot].token_flags = CKF_LOGIN_REQUIRED;
							} else {
								cackey_slots[currslot].token_flags = 0;
							}
							cackey_slots[currslot].label = NULL;

							cackey_mark_slot_reset(&cackey_slots[currslot]);
						}
					} else {
						/* Artificially increase the number of active slots by what will become active */
						slot_count++;
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	}

	CACKEY_DEBUG_PRINTF("Returning CKR_FUNCTION_NOT_SUPPORTED (%i)", CKR_FUNCTION_NOT_SUPPORTED);

	return(CKR_FUNCTION_NOT_SUPPORTED);
}

CK_DEFINE_FUNCTION(CK_RV, C_Login)(CK_SESSION_HANDLE hSession, CK_USER_TYPE userType, CK_UTF8CHAR_PTR pPin, CK_ULONG ulPinLen) {
	CK_SLOT_ID slotID;
	FILE *pinfd;
	char *pincmd, pinbuf[64], *fgets_ret;
	int mutex_retval;
	int tries_remaining;
	int login_ret;
	int pclose_ret;








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	}

	CACKEY_DEBUG_PRINTF("Returning CKR_FUNCTION_NOT_SUPPORTED (%i)", CKR_FUNCTION_NOT_SUPPORTED);

	return(CKR_FUNCTION_NOT_SUPPORTED);
}

CK_DEFINE_FUNCTION(CK_RV, _C_LoginMutexArg)(CK_SESSION_HANDLE hSession, CK_USER_TYPE userType, CK_UTF8CHAR_PTR pPin, CK_ULONG ulPinLen, int lock_mutex) {
	CK_SLOT_ID slotID;
	FILE *pinfd;
	char *pincmd, pinbuf[64], *fgets_ret;
	int mutex_retval;
	int tries_remaining;
	int login_ret;
	int pclose_ret;
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	if (userType != CKU_USER) {
		CACKEY_DEBUG_PRINTF("Error.  We only support USER mode, asked for %lu mode.", (unsigned long) userType)

		return(CKR_USER_TYPE_INVALID);
	}


	mutex_retval = cackey_mutex_lock(cackey_biglock);
	if (mutex_retval != 0) {
		CACKEY_DEBUG_PRINTF("Error.  Locking failed.");

		return(CKR_GENERAL_ERROR);

	}

	if (!cackey_sessions[hSession].active) {

		cackey_mutex_unlock(cackey_biglock);


		CACKEY_DEBUG_PRINTF("Error.  Session not active.");
		
		return(CKR_SESSION_HANDLE_INVALID);
	}

	slotID = cackey_sessions[hSession].slotID;

	if (slotID < 0 || slotID >= (sizeof(cackey_slots) / sizeof(cackey_slots[0]))) {
		CACKEY_DEBUG_PRINTF("Error. Invalid slot requested (%lu), outside of valid range", slotID);





		return(CKR_GENERAL_ERROR);
	}

	if (cackey_slots[slotID].active == 0) {
		CACKEY_DEBUG_PRINTF("Error. Invalid slot requested (%lu), slot not currently active", slotID);


		cackey_mutex_unlock(cackey_biglock);


		return(CKR_GENERAL_ERROR);
	}

	pincmd = cackey_pin_command;
	if (pincmd != NULL) {
		CACKEY_DEBUG_PRINTF("CACKEY_PIN_COMMAND = %s", pincmd);

		if (pPin != NULL) {
			CACKEY_DEBUG_PRINTF("Protected authentication path in effect and PIN provided !?");
		}

		pinfd = popen(pincmd, "r");
		if (pinfd == NULL) {
			CACKEY_DEBUG_PRINTF("Error.  %s: Unable to run", pincmd);


			cackey_mutex_unlock(cackey_biglock);


			CACKEY_DEBUG_PRINTF("Returning CKR_PIN_INCORRECT (%i)", (int) CKR_PIN_INCORRECT);

			return(CKR_PIN_INCORRECT);
		}

		fgets_ret = fgets(pinbuf, sizeof(pinbuf), pinfd);
		if (fgets_ret == NULL) {
			pinbuf[0] = '\0';
		}

		pclose_ret = pclose(pinfd);
		if (pclose_ret != 0) {
			CACKEY_DEBUG_PRINTF("Error.  %s: exited with non-zero status of %i", pincmd, pclose_ret);


			cackey_mutex_unlock(cackey_biglock);


			CACKEY_DEBUG_PRINTF("Returning CKR_PIN_INCORRECT (%i)", (int) CKR_PIN_INCORRECT);

			return(CKR_PIN_INCORRECT);
		}

		if (strlen(pinbuf) < 1) {
			CACKEY_DEBUG_PRINTF("Error.  %s: returned no data", pincmd);


			cackey_mutex_unlock(cackey_biglock);


			CACKEY_DEBUG_PRINTF("Returning CKR_PIN_INCORRECT (%i)", (int) CKR_PIN_INCORRECT);

			return(CKR_PIN_INCORRECT);
		}

		if (pinbuf[strlen(pinbuf) - 1] == '\n') {
			pinbuf[strlen(pinbuf) - 1] = '\0';
		}

		pPin = (CK_UTF8CHAR_PTR) pinbuf;
		ulPinLen = strlen(pinbuf);
	}

	login_ret = cackey_login(&cackey_slots[slotID], pPin, ulPinLen, &tries_remaining);
	if (login_ret != CACKEY_PCSC_S_OK) {

		cackey_mutex_unlock(cackey_biglock);


		if (login_ret == CACKEY_PCSC_E_LOCKED) {
			CACKEY_DEBUG_PRINTF("Error.  Token is locked.");

			cackey_slots[slotID].token_flags |= CKF_USER_PIN_LOCKED;

			CACKEY_DEBUG_PRINTF("Returning CKR_PIN_LOCKED (%i)", (int) CKR_PIN_LOCKED);








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	if (userType != CKU_USER) {
		CACKEY_DEBUG_PRINTF("Error.  We only support USER mode, asked for %lu mode.", (unsigned long) userType)

		return(CKR_USER_TYPE_INVALID);
	}

	if (lock_mutex) {
		mutex_retval = cackey_mutex_lock(cackey_biglock);
		if (mutex_retval != 0) {
			CACKEY_DEBUG_PRINTF("Error.  Locking failed.");

			return(CKR_GENERAL_ERROR);
		}
	}

	if (!cackey_sessions[hSession].active) {
		if (lock_mutex) {
			cackey_mutex_unlock(cackey_biglock);
		}

		CACKEY_DEBUG_PRINTF("Error.  Session not active.");
		
		return(CKR_SESSION_HANDLE_INVALID);
	}

	slotID = cackey_sessions[hSession].slotID;

	if (slotID < 0 || slotID >= (sizeof(cackey_slots) / sizeof(cackey_slots[0]))) {
		CACKEY_DEBUG_PRINTF("Error. Invalid slot requested (%lu), outside of valid range", slotID);

		if (lock_mutex) {
			cackey_mutex_unlock(cackey_biglock);
		}

		return(CKR_GENERAL_ERROR);
	}

	if (cackey_slots[slotID].active == 0) {
		CACKEY_DEBUG_PRINTF("Error. Invalid slot requested (%lu), slot not currently active", slotID);

		if (lock_mutex) {
			cackey_mutex_unlock(cackey_biglock);
		}

		return(CKR_GENERAL_ERROR);
	}

	pincmd = cackey_pin_command;
	if (pincmd != NULL) {
		CACKEY_DEBUG_PRINTF("CACKEY_PIN_COMMAND = %s", pincmd);

		if (pPin != NULL) {
			CACKEY_DEBUG_PRINTF("Protected authentication path in effect and PIN provided !?");
		}

		pinfd = popen(pincmd, "r");
		if (pinfd == NULL) {
			CACKEY_DEBUG_PRINTF("Error.  %s: Unable to run", pincmd);

			if (lock_mutex) {
				cackey_mutex_unlock(cackey_biglock);
			}

			CACKEY_DEBUG_PRINTF("Returning CKR_PIN_INCORRECT (%i)", (int) CKR_PIN_INCORRECT);

			return(CKR_PIN_INCORRECT);
		}

		fgets_ret = fgets(pinbuf, sizeof(pinbuf), pinfd);
		if (fgets_ret == NULL) {
			pinbuf[0] = '\0';
		}

		pclose_ret = pclose(pinfd);
		if (pclose_ret != 0) {
			CACKEY_DEBUG_PRINTF("Error.  %s: exited with non-zero status of %i", pincmd, pclose_ret);

			if (lock_mutex) {
				cackey_mutex_unlock(cackey_biglock);
			}

			CACKEY_DEBUG_PRINTF("Returning CKR_PIN_INCORRECT (%i)", (int) CKR_PIN_INCORRECT);

			return(CKR_PIN_INCORRECT);
		}

		if (strlen(pinbuf) < 1) {
			CACKEY_DEBUG_PRINTF("Error.  %s: returned no data", pincmd);

			if (lock_mutex) {
				cackey_mutex_unlock(cackey_biglock);
			}

			CACKEY_DEBUG_PRINTF("Returning CKR_PIN_INCORRECT (%i)", (int) CKR_PIN_INCORRECT);

			return(CKR_PIN_INCORRECT);
		}

		if (pinbuf[strlen(pinbuf) - 1] == '\n') {
			pinbuf[strlen(pinbuf) - 1] = '\0';
		}

		pPin = (CK_UTF8CHAR_PTR) pinbuf;
		ulPinLen = strlen(pinbuf);
	}

	login_ret = cackey_login(&cackey_slots[slotID], pPin, ulPinLen, &tries_remaining);
	if (login_ret != CACKEY_PCSC_S_OK) {
		if (lock_mutex) {
			cackey_mutex_unlock(cackey_biglock);
		}

		if (login_ret == CACKEY_PCSC_E_LOCKED) {
			CACKEY_DEBUG_PRINTF("Error.  Token is locked.");

			cackey_slots[slotID].token_flags |= CKF_USER_PIN_LOCKED;

			CACKEY_DEBUG_PRINTF("Returning CKR_PIN_LOCKED (%i)", (int) CKR_PIN_LOCKED);
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		return(CKR_GENERAL_ERROR);
	}

	cackey_slots[slotID].token_flags &= ~(CKF_USER_PIN_LOCKED | CKF_USER_PIN_COUNT_LOW | CKF_LOGIN_REQUIRED | CKF_USER_PIN_FINAL_TRY);

	cackey_sessions[hSession].state = CKS_RO_USER_FUNCTIONS;


	mutex_retval = cackey_mutex_unlock(cackey_biglock);
	if (mutex_retval != 0) {
		CACKEY_DEBUG_PRINTF("Error.  Unlocking failed.");

		return(CKR_GENERAL_ERROR);

	}

	CACKEY_DEBUG_PRINTF("Returning CKR_OK (%i)", CKR_OK);

	return(CKR_OK);
}





CK_DEFINE_FUNCTION(CK_RV, C_Logout)(CK_SESSION_HANDLE hSession) {
	CK_SLOT_ID slotID;
	int mutex_retval;

	CACKEY_DEBUG_PRINTF("Called.");









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		return(CKR_GENERAL_ERROR);
	}

	cackey_slots[slotID].token_flags &= ~(CKF_USER_PIN_LOCKED | CKF_USER_PIN_COUNT_LOW | CKF_LOGIN_REQUIRED | CKF_USER_PIN_FINAL_TRY);

	cackey_sessions[hSession].state = CKS_RO_USER_FUNCTIONS;

	if (lock_mutex) {
		mutex_retval = cackey_mutex_unlock(cackey_biglock);
		if (mutex_retval != 0) {
			CACKEY_DEBUG_PRINTF("Error.  Unlocking failed.");

			return(CKR_GENERAL_ERROR);
		}
	}

	CACKEY_DEBUG_PRINTF("Returning CKR_OK (%i)", CKR_OK);

	return(CKR_OK);
}

CK_DEFINE_FUNCTION(CK_RV, C_Login)(CK_SESSION_HANDLE hSession, CK_USER_TYPE userType, CK_UTF8CHAR_PTR pPin, CK_ULONG ulPinLen) {
	return(_C_LoginMutexArg(hSession, userType, pPin, ulPinLen, 1));
}

CK_DEFINE_FUNCTION(CK_RV, C_Logout)(CK_SESSION_HANDLE hSession) {
	CK_SLOT_ID slotID;
	int mutex_retval;

	CACKEY_DEBUG_PRINTF("Called.");
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		cackey_mutex_unlock(cackey_biglock);

		return(CKR_GENERAL_ERROR);
	}

	cackey_sessions[hSession].state = CKS_RO_PUBLIC_SESSION;


	cackey_slots[slotID].token_flags = CKF_LOGIN_REQUIRED;




	mutex_retval = cackey_mutex_unlock(cackey_biglock);
	if (mutex_retval != 0) {
		CACKEY_DEBUG_PRINTF("Error.  Unlocking failed.");

		return(CKR_GENERAL_ERROR);
	}








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		cackey_mutex_unlock(cackey_biglock);

		return(CKR_GENERAL_ERROR);
	}

	cackey_sessions[hSession].state = CKS_RO_PUBLIC_SESSION;

	if (cackey_pin_command == NULL) {
		cackey_slots[slotID].token_flags = CKF_LOGIN_REQUIRED;
	} else {
		cackey_slots[slotID].token_flags = 0;
	}

	mutex_retval = cackey_mutex_unlock(cackey_biglock);
	if (mutex_retval != 0) {
		CACKEY_DEBUG_PRINTF("Error.  Unlocking failed.");

		return(CKR_GENERAL_ERROR);
	}
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		return(CKR_GENERAL_ERROR);
	}

	switch (cackey_sessions[hSession].decrypt_mechanism) {
		case CKM_RSA_PKCS:
			/* Ask card to decrypt */
			buflen = cackey_signdecrypt(&cackey_slots[slotID], cackey_sessions[hSession].decrypt_identity, pEncryptedPart, ulEncryptedPartLen, buf, sizeof(buf), 0, 1);







			if (buflen < 0) {
				/* Decryption failed. */
				if (buflen == CACKEY_PCSC_E_NEEDLOGIN) {
					retval = CKR_USER_NOT_LOGGED_IN;
				} else if (buflen == CACKEY_PCSC_E_TOKENABSENT) {
					retval = CKR_DEVICE_REMOVED;








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		return(CKR_GENERAL_ERROR);
	}

	switch (cackey_sessions[hSession].decrypt_mechanism) {
		case CKM_RSA_PKCS:
			/* Ask card to decrypt */
			buflen = cackey_signdecrypt(&cackey_slots[slotID], cackey_sessions[hSession].decrypt_identity, pEncryptedPart, ulEncryptedPartLen, buf, sizeof(buf), 0, 1);

			if (buflen == CACKEY_PCSC_E_NEEDLOGIN && cackey_pin_command != NULL) {
				if (_C_LoginMutexArg(hSession, CKU_USER, NULL, 0, 0) == CKR_OK) {
					buflen = cackey_signdecrypt(&cackey_slots[slotID], cackey_sessions[hSession].decrypt_identity, pEncryptedPart, ulEncryptedPartLen, buf, sizeof(buf), 0, 1);
				}
			}

			if (buflen < 0) {
				/* Decryption failed. */
				if (buflen == CACKEY_PCSC_E_NEEDLOGIN) {
					retval = CKR_USER_NOT_LOGGED_IN;
				} else if (buflen == CACKEY_PCSC_E_TOKENABSENT) {
					retval = CKR_DEVICE_REMOVED;
︙︙
6808
6809
6810
6811
6812
6813
6814






6815
6816
6817
6818
6819
6820
6821

	}

	switch (cackey_sessions[hSession].sign_mechanism) {
		case CKM_RSA_PKCS:
			/* Ask card to sign */
			CACKEY_DEBUG_PRINTF("Asking to sign from identity %p in session %lu", (void *) cackey_sessions[hSession].sign_identity, (unsigned long) hSession);
			sigbuflen = cackey_signdecrypt(&cackey_slots[slotID], cackey_sessions[hSession].sign_identity, cackey_sessions[hSession].sign_buf, cackey_sessions[hSession].sign_bufused, sigbuf, sizeof(sigbuf), 1, 0);







			if (sigbuflen < 0) {
				/* Signing failed. */
				if (sigbuflen == CACKEY_PCSC_E_NEEDLOGIN) {
					retval = CKR_USER_NOT_LOGGED_IN;
				} else if (sigbuflen == CACKEY_PCSC_E_TOKENABSENT) {
					retval = CKR_DEVICE_REMOVED;








>
>
>
>
>
>








6850
6851
6852
6853
6854
6855
6856
6857
6858
6859
6860
6861
6862
6863
6864
6865
6866
6867
6868
6869

	}

	switch (cackey_sessions[hSession].sign_mechanism) {
		case CKM_RSA_PKCS:
			/* Ask card to sign */
			CACKEY_DEBUG_PRINTF("Asking to sign from identity %p in session %lu", (void *) cackey_sessions[hSession].sign_identity, (unsigned long) hSession);
			sigbuflen = cackey_signdecrypt(&cackey_slots[slotID], cackey_sessions[hSession].sign_identity, cackey_sessions[hSession].sign_buf, cackey_sessions[hSession].sign_bufused, sigbuf, sizeof(sigbuf), 1, 0);

			if (sigbuflen == CACKEY_PCSC_E_NEEDLOGIN && cackey_pin_command != NULL) {
				if (_C_LoginMutexArg(hSession, CKU_USER, NULL, 0, 0) == CKR_OK) {
					sigbuflen = cackey_signdecrypt(&cackey_slots[slotID], cackey_sessions[hSession].sign_identity, cackey_sessions[hSession].sign_buf, cackey_sessions[hSession].sign_bufused, sigbuf, sizeof(sigbuf), 1, 0);
				}
			}

			if (sigbuflen < 0) {
				/* Signing failed. */
				if (sigbuflen == CACKEY_PCSC_E_NEEDLOGIN) {
					retval = CKR_USER_NOT_LOGGED_IN;
				} else if (sigbuflen == CACKEY_PCSC_E_TOKENABSENT) {
					retval = CKR_DEVICE_REMOVED;
︙︙

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