Diff

Differences From Artifact [95e7747218]:

To Artifact [b9a7131d32]:


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#ifdef CACKEY_DEBUG
#  ifdef HAVE_STDIO_H
#    include <stdio.h>
#  endif

#  define CACKEY_DEBUG_PRINTF(x...) { fprintf(stderr, "%s(): ", __func__); fprintf(stderr, x); fprintf(stderr, "\n"); }
#  define CACKEY_DEBUG_PRINTBUF(f, x, y) { unsigned char *buf; unsigned long idx; buf = (unsigned char *) (x); fprintf(stderr, "%s(): %s  (%s/%lu = {%02x", __func__, f, #x, (unsigned long) (y), buf[0]); for (idx = 1; idx < (y); idx++) { fprintf(stderr, ", %02x", buf[idx]); }; fprintf(stderr, "})\n"); }
#  define CACKEY_DEBUG_PERROR(x) { fprintf(stderr, "%s(): ", __func__); perror(x); }
#  define free(x) { CACKEY_DEBUG_PRINTF("FREE(%p) (%s)", x, #x); free(x); }

static void *CACKEY_DEBUG_FUNC_MALLOC(size_t size, const char *func) {
	void *retval;

	retval = malloc(size);







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#ifdef CACKEY_DEBUG
#  ifdef HAVE_STDIO_H
#    include <stdio.h>
#  endif

#  define CACKEY_DEBUG_PRINTF(x...) { fprintf(stderr, "%s(): ", __func__); fprintf(stderr, x); fprintf(stderr, "\n"); }
#  define CACKEY_DEBUG_PRINTBUF(f, x, y) { unsigned char *TMPBUF; unsigned long idx; TMPBUF = (unsigned char *) (x); fprintf(stderr, "%s(): %s  (%s/%lu = {%02x", __func__, f, #x, (unsigned long) (y), TMPBUF[0]); for (idx = 1; idx < (y); idx++) { fprintf(stderr, ", %02x", TMPBUF[idx]); }; fprintf(stderr, "})\n"); }
#  define CACKEY_DEBUG_PERROR(x) { fprintf(stderr, "%s(): ", __func__); perror(x); }
#  define free(x) { CACKEY_DEBUG_PRINTF("FREE(%p) (%s)", x, #x); free(x); }

static void *CACKEY_DEBUG_FUNC_MALLOC(size_t size, const char *func) {
	void *retval;

	retval = malloc(size);
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	CACKEY_DEBUG_PRINTF("Returning 0x%lx", retval);

	return(retval);
}

/* PC/SC Related Functions */














static void cackey_slots_disconnect_all(void) {
	uint32_t idx;

	CACKEY_DEBUG_PRINTF("Called.");

	for (idx = 0; idx < (sizeof(cackey_slots) / sizeof(cackey_slots[0])); idx++) {
		if (cackey_slots[idx].pcsc_card_connected) {
			CACKEY_DEBUG_PRINTF("SCardDisconnect(%lu) called", (unsigned long) idx);

			SCardDisconnect(cackey_slots[idx].pcsc_card, SCARD_LEAVE_CARD);
		}

		cackey_slots[idx].pcsc_card_connected = 0;
	}

	CACKEY_DEBUG_PRINTF("Returning");

	return;
}

















static cackey_ret cackey_pcsc_connect(void) {
	LONG scard_est_context_ret;
#ifdef HAVE_SCARDISVALIDCONTEXT
	LONG scard_isvalid_ret;
#endif

	CACKEY_DEBUG_PRINTF("Called.");







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	CACKEY_DEBUG_PRINTF("Returning 0x%lx", retval);

	return(retval);
}

/* PC/SC Related Functions */
/*
 * SYNPOSIS
 *     void cackey_slots_disconnect_all(void);
 *
 * ARGUMENTS
 *     None
 *
 * RETURN VALUE
 *     None
 *
 * NOTES
 *     This function disconnects from all cards.
 *
 */
static void cackey_slots_disconnect_all(void) {
	uint32_t idx;

	CACKEY_DEBUG_PRINTF("Called.");

	for (idx = 0; idx < (sizeof(cackey_slots) / sizeof(cackey_slots[0])); idx++) {
		if (cackey_slots[idx].pcsc_card_connected) {
			CACKEY_DEBUG_PRINTF("SCardDisconnect(%lu) called", (unsigned long) idx);

			SCardDisconnect(cackey_slots[idx].pcsc_card, SCARD_LEAVE_CARD);
		}

		cackey_slots[idx].pcsc_card_connected = 0;
	}

	CACKEY_DEBUG_PRINTF("Returning");

	return;
}

/*
 * SYNPOSIS
 *     cackey_ret cackey_pcsc_connect(void);
 *
 * ARGUMENTS
 *     None
 *
 * RETURN VALUE
 *     CACKEY_PCSC_S_OK         On success
 *     CACKEY_PCSC_E_GENERIC    On error
 *
 * NOTES
 *     This function connects to the PC/SC Connection Manager and updates the
 *     global handle.
 *
 */
static cackey_ret cackey_pcsc_connect(void) {
	LONG scard_est_context_ret;
#ifdef HAVE_SCARDISVALIDCONTEXT
	LONG scard_isvalid_ret;
#endif

	CACKEY_DEBUG_PRINTF("Called.");
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	CACKEY_DEBUG_PRINTF("Sucessfully connected to PC/SC, returning in success");

	return(CACKEY_PCSC_S_OK);
}

/* APDU Related Functions */






/** Le = 0x00 to indicate not to send Le **/



























































static cackey_ret cackey_send_apdu(struct cackey_slot *slot, unsigned char class, unsigned char instruction, unsigned char p1, unsigned char p2, unsigned char lc, unsigned char *data, unsigned char le, uint16_t *respcode, unsigned char *respdata, size_t *respdata_len) {
	uint8_t major_rc, minor_rc;
	size_t bytes_to_copy, tmp_respdata_len;
	DWORD protocol;
	DWORD xmit_len, recv_len;
	LONG scard_conn_ret, scard_xmit_ret, scard_reconn_ret;
	BYTE xmit_buf[1024], recv_buf[1024];







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	CACKEY_DEBUG_PRINTF("Sucessfully connected to PC/SC, returning in success");

	return(CACKEY_PCSC_S_OK);
}

/* APDU Related Functions */
/*
 * SYNPOSIS
 *     cackey_ret cackey_send_apdu(struct cackey_slot *slot, unsigned char class, unsigned char instruction, unsigned char p1, unsigned char p2, unsigned char lc, unsigned char *data, unsigned char le, uint16_t *respcode, unsigned char *respdata, size_t *respdata_len);
 *
 * ARGUMENTS
 *     cackey_slot *slot
 *         Slot to send commands to
 *
 *     unsigned char class
 *         APDU Class (GSCIS_CLASS_ISO7816 or GSCIS_CLASS_GLOBAL_PLATFORM
 *         usually), (CLA)
 *
 *     unsigned char instruction
 *         APDU Instruction (INS)
 *
 *     unsigned char p1
 *         APDU Parameter 1 (P1)
 *
 *     unsigned char p2
 *         APDU Parameter 2 (P2)
 *
 *     unsigned char lc
 *         APDU Length of Content (Lc) -- this is the length of "data"
 *         parameter.  If "data" is specified as NULL, this parameter will
 *         be ignored.
 *
 *     unsigned char *data
 *         Pointer to buffer to send.  It should be "Lc" bytes long.  If
 *         specified as NULL, "Lc" will not be sent, and this buffer will be
 *         ignored.
 *
 *     unsigned char le
 *         APDU Length of Expectation (Le) -- this is the length of the
 *         expected reply.  If this is specified as 0 then it will not
 *         be sent.
 *
 *     uint16_t *respcode
 *         [OUT] Pointer to storage of APDU response code.  If this is
 *         specified as NULL, the response code will be discarded.
 *
 *     unsigned char *respdata
 *         [OUT] Pointer to storage of APDU response data.  If this is
 *         specified as NULL, the response data will be discarded.  If
 *         the "respdata_len" parameter is specified as NULL, this buffer
 *         will not be updated.
 *
 *     size_t *respdata_len
 *         [IN, OUT] Pointer initialing containing the size of the "respdata"
 *         buffer.  Before returning, the pointed to value is updated to the
 *         number of bytes written to the buffer.  If this is specified as
 *         NULL, it will not be updated, and "respdata" will be ignored causing
 *         the response data to be discarded.
 *
 * RETURN VALUE
 *     CACKEY_PCSC_S_OK         On success
 *     CACKEY_PCSC_E_GENERIC    On error
 *
 * NOTES
 *     This function will connect to the PC/SC Connection Manager via
 *     cackey_pcsc_connect() if needed.
 *
 *     It will connect to the card in the reader attached to the slot
 *     specified.  It will reconnect to the card if the connection
 *     goes away.
 *
 */
static cackey_ret cackey_send_apdu(struct cackey_slot *slot, unsigned char class, unsigned char instruction, unsigned char p1, unsigned char p2, unsigned char lc, unsigned char *data, unsigned char le, uint16_t *respcode, unsigned char *respdata, size_t *respdata_len) {
	uint8_t major_rc, minor_rc;
	size_t bytes_to_copy, tmp_respdata_len;
	DWORD protocol;
	DWORD xmit_len, recv_len;
	LONG scard_conn_ret, scard_xmit_ret, scard_reconn_ret;
	BYTE xmit_buf[1024], recv_buf[1024];
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	CACKEY_DEBUG_PRINTF("APDU Returned an error, returning in failure");

	return(CACKEY_PCSC_E_GENERIC);
}





























static ssize_t cackey_read_buffer(struct cackey_slot *slot, unsigned char *buffer, size_t count, unsigned char t_or_v, size_t initial_offset) {
	size_t offset = 0, max_offset, max_count;
	unsigned char cmd[2];
	uint16_t respcode;
	int send_ret;

	CACKEY_DEBUG_PRINTF("Called.");

	max_offset = count;
	max_count = 252;







	cmd[0] = t_or_v;

	while (1) {
		if (offset >= max_offset) {
			CACKEY_DEBUG_PRINTF("Buffer too small, returning what we got...");








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	CACKEY_DEBUG_PRINTF("APDU Returned an error, returning in failure");

	return(CACKEY_PCSC_E_GENERIC);
}

/*
 * SYNPOSIS
 *     ssize_t cackey_read_buffer(struct cackey_slot *slot, unsigned char *buffer, size_t count, unsigned char t_or_v, size_t initial_offset);
 *
 * ARGUMENTS
 *     struct cackey_slot *slot
 *         Slot to send commands to
 *
 *     unsigned char *buffer
 *         [OUT] Buffer
 *
 *     size_t count
 *         Number of bytes to attempt to read
 *
 *     unsigned char t_or_v
 *         Select the T-buffer (01) or V-buffer (02) to read from.  
 *
 *     size_t initial_offset
 *         Specify the offset to begin the read from
 *
 *
 * RETURN VALUE
 *     This function returns the number of bytes actually read, or -1 on error.
 *
 * NOTES
 *     None
 *
 */
static ssize_t cackey_read_buffer(struct cackey_slot *slot, unsigned char *buffer, size_t count, unsigned char t_or_v, size_t initial_offset) {
	size_t offset = 0, max_offset, max_count;
	unsigned char cmd[2];
	uint16_t respcode;
	int send_ret;

	CACKEY_DEBUG_PRINTF("Called.");

	max_offset = count;
	max_count = 252;

	if (t_or_v != 1 && t_or_v != 2) {
		CACKEY_DEBUG_PRINTF("Invalid T or V parameter specified, returning in failure");

		return(-1);
	}

	cmd[0] = t_or_v;

	while (1) {
		if (offset >= max_offset) {
			CACKEY_DEBUG_PRINTF("Buffer too small, returning what we got...");

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	}

	CACKEY_DEBUG_PRINTF("Returning in success, read %lu bytes", (unsigned long) offset);

	return(offset);
}























static cackey_ret cackey_select_applet(struct cackey_slot *slot, unsigned char *aid, size_t aid_len) {
	int send_ret;

	CACKEY_DEBUG_PRINTF("Called.");

	CACKEY_DEBUG_PRINTBUF("Selecting applet:", aid, aid_len);

	send_ret = cackey_send_apdu(slot, GSCIS_CLASS_ISO7816, GSCIS_INSTR_SELECT, GSCIS_PARAM_SELECT_APPLET, 0x0C, aid_len, aid, 0x00, NULL, NULL, NULL);
	if (send_ret != CACKEY_PCSC_S_OK) {
		CACKEY_DEBUG_PRINTF("Failed to open applet, returning in failure");

		return(CACKEY_PCSC_E_GENERIC);
	}

	CACKEY_DEBUG_PRINTF("Successfully selected file");

	return(CACKEY_PCSC_S_OK);
}
























static cackey_ret cackey_select_file(struct cackey_slot *slot, uint16_t ef) {
	unsigned char fid_buf[2];
	int send_ret;

	CACKEY_DEBUG_PRINTF("Called.");

	/* Open the elementary file */







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	}

	CACKEY_DEBUG_PRINTF("Returning in success, read %lu bytes", (unsigned long) offset);

	return(offset);
}

/*
 * SYNPOSIS
 *     cackey_ret cackey_select_applet(struct cackey_slot *slot, unsigned char *aid, size_t aid_len);
 *
 * ARGUMENTS
 *     struct cackey_slot *slot
 *         Slot to send commands to
 *
 *     unsigned char *aid
 *         Buffer containing Applet ID to select
 *
 *     size_t aid_len
 *         Number of bytes in the "aid" (Applet ID) parameter
 *
 * RETURN VALUE
 *     CACKEY_PCSC_S_OK         On success
 *     CACKEY_PCSC_E_GENERIC    On error
 *
 * NOTES
 *     None
 *
 */
static cackey_ret cackey_select_applet(struct cackey_slot *slot, unsigned char *aid, size_t aid_len) {
	int send_ret;

	CACKEY_DEBUG_PRINTF("Called.");

	CACKEY_DEBUG_PRINTBUF("Selecting applet:", aid, aid_len);

	send_ret = cackey_send_apdu(slot, GSCIS_CLASS_ISO7816, GSCIS_INSTR_SELECT, GSCIS_PARAM_SELECT_APPLET, 0x0C, aid_len, aid, 0x00, NULL, NULL, NULL);
	if (send_ret != CACKEY_PCSC_S_OK) {
		CACKEY_DEBUG_PRINTF("Failed to open applet, returning in failure");

		return(CACKEY_PCSC_E_GENERIC);
	}

	CACKEY_DEBUG_PRINTF("Successfully selected file");

	return(CACKEY_PCSC_S_OK);
}

/*
 * SYNPOSIS
 *     cackey_ret cackey_select_file(struct cackey_slot *slot, uint16_t ef);
 *
 * ARGUMENTS
 *     struct cackey_slot *slot
 *         Slot to send commands to
 *
 *     uint16_t ef
 *         Elemental File to select
 *
 * RETURN VALUE
 *     CACKEY_PCSC_S_OK         On success
 *     CACKEY_PCSC_E_GENERIC    On error
 *
 * NOTES
 *     This selects an Elementary File (EF) under the currently selected
 *     Dedicated File (DF)
 *
 *     Typically this is called after selecting the correct Applet (using
 *     cackey_select_applet) for VM cards
 *
 */
static cackey_ret cackey_select_file(struct cackey_slot *slot, uint16_t ef) {
	unsigned char fid_buf[2];
	int send_ret;

	CACKEY_DEBUG_PRINTF("Called.");

	/* Open the elementary file */
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	}

	CACKEY_DEBUG_PRINTF("Successfully selected file");

	return(CACKEY_PCSC_S_OK);
}

















static void cackey_free_tlv(struct cackey_tlv_entity *root) {
	struct cackey_tlv_entity *curr, *next;

	if (root == NULL) {
		return;
	}








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	}

	CACKEY_DEBUG_PRINTF("Successfully selected file");

	return(CACKEY_PCSC_S_OK);
}

/*
 * SYNPOSIS
 *     void cackey_free_tlv(struct cackey_tlv_entity *root);
 *
 * ARGUMENTS
 *     struct cackey_tlv_entity *root
 *         Root of the TLV list to start freeing
 *
 * RETURN VALUE
 *     None
 *
 * NOTES
 *     This function frees the TLV linked listed returned from
 *     "cackey_read_tlv"
 *
 */
static void cackey_free_tlv(struct cackey_tlv_entity *root) {
	struct cackey_tlv_entity *curr, *next;

	if (root == NULL) {
		return;
	}

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		free(curr);
	}

	return;
}















static struct cackey_tlv_entity *cackey_read_tlv(struct cackey_slot *slot) {
	struct cackey_tlv_entity *curr_entity, *root = NULL, *last = NULL;
	unsigned char tlen_buf[2], tval_buf[1024], *tval;
	unsigned char vlen_buf[2], vval_buf[8192], *vval;
	unsigned char *tmpbuf;
	ssize_t tlen, vlen;
	ssize_t read_ret;







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		free(curr);
	}

	return;
}

/*
 * SYNPOSIS
 *     ...
 *
 * ARGUMENTS
 *     ...
 *
 * RETURN VALUE
 *     ...
 *
 * NOTES
 *     ...
 *
 */
static struct cackey_tlv_entity *cackey_read_tlv(struct cackey_slot *slot) {
	struct cackey_tlv_entity *curr_entity, *root = NULL, *last = NULL;
	unsigned char tlen_buf[2], tval_buf[1024], *tval;
	unsigned char vlen_buf[2], vval_buf[8192], *vval;
	unsigned char *tmpbuf;
	ssize_t tlen, vlen;
	ssize_t read_ret;
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			last = curr_entity;
		}
	}

	return(root);
}















static void cackey_free_certs(struct cackey_pcsc_identity *start, size_t count, int free_start) {
	size_t idx;

	for (idx = 0; idx < count; idx++) {
		if (start[idx].certificate) {
			free(start[idx].certificate);
		}
	}

	if (free_start) {
		free(start);
	}

	return;
}















static struct cackey_pcsc_identity *cackey_read_certs(struct cackey_slot *slot, struct cackey_pcsc_identity *certs, unsigned long *count) {
	struct cackey_pcsc_identity *curr_id;
	struct cackey_tlv_entity *ccc_tlv, *ccc_curr, *app_tlv, *app_curr;
	unsigned char ccc_aid[] = {GSCIS_AID_CCC};
	unsigned char curr_aid[7];
	unsigned long outidx = 0;
	int certs_resizable;







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			last = curr_entity;
		}
	}

	return(root);
}

/*
 * SYNPOSIS
 *     ...
 *
 * ARGUMENTS
 *     ...
 *
 * RETURN VALUE
 *     ...
 *
 * NOTES
 *     ...
 *
 */
static void cackey_free_certs(struct cackey_pcsc_identity *start, size_t count, int free_start) {
	size_t idx;

	for (idx = 0; idx < count; idx++) {
		if (start[idx].certificate) {
			free(start[idx].certificate);
		}
	}

	if (free_start) {
		free(start);
	}

	return;
}

/*
 * SYNPOSIS
 *     ...
 *
 * ARGUMENTS
 *     ...
 *
 * RETURN VALUE
 *     ...
 *
 * NOTES
 *     ...
 *
 */
static struct cackey_pcsc_identity *cackey_read_certs(struct cackey_slot *slot, struct cackey_pcsc_identity *certs, unsigned long *count) {
	struct cackey_pcsc_identity *curr_id;
	struct cackey_tlv_entity *ccc_tlv, *ccc_curr, *app_tlv, *app_curr;
	unsigned char ccc_aid[] = {GSCIS_AID_CCC};
	unsigned char curr_aid[7];
	unsigned long outidx = 0;
	int certs_resizable;
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	if (certs_resizable) {
		certs = realloc(certs, sizeof(*certs) * (*count));
	}

	return(certs);
}















static cackey_ret cackey_login(struct cackey_slot *slot, unsigned char *pin, unsigned long pin_len, int *tries_remaining_p) {
	unsigned char cac_pin[8] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
	uint16_t response_code;
	int tries_remaining;
	int send_ret;

	/* Indicate that we do not know about how many tries are remaining */







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	if (certs_resizable) {
		certs = realloc(certs, sizeof(*certs) * (*count));
	}

	return(certs);
}

/*
 * SYNPOSIS
 *     ...
 *
 * ARGUMENTS
 *     ...
 *
 * RETURN VALUE
 *     ...
 *
 * NOTES
 *     ...
 *
 */
static cackey_ret cackey_login(struct cackey_slot *slot, unsigned char *pin, unsigned long pin_len, int *tries_remaining_p) {
	unsigned char cac_pin[8] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
	uint16_t response_code;
	int tries_remaining;
	int send_ret;

	/* Indicate that we do not know about how many tries are remaining */
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	}

	CACKEY_DEBUG_PRINTF("PIN Verification succeeded");

	return(CACKEY_PCSC_S_OK);
}















static cackey_ret cackey_token_present(struct cackey_slot *slot) {
	unsigned char ccc_aid[] = {GSCIS_AID_CCC};
	int send_ret;

	/* Select the CCC Applet */
	send_ret = cackey_select_applet(slot, ccc_aid, sizeof(ccc_aid));
	if (send_ret != CACKEY_PCSC_S_OK) {







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	}

	CACKEY_DEBUG_PRINTF("PIN Verification succeeded");

	return(CACKEY_PCSC_S_OK);
}

/*
 * SYNPOSIS
 *     ...
 *
 * ARGUMENTS
 *     ...
 *
 * RETURN VALUE
 *     ...
 *
 * NOTES
 *     ...
 *
 */
static cackey_ret cackey_token_present(struct cackey_slot *slot) {
	unsigned char ccc_aid[] = {GSCIS_AID_CCC};
	int send_ret;

	/* Select the CCC Applet */
	send_ret = cackey_select_applet(slot, ccc_aid, sizeof(ccc_aid));
	if (send_ret != CACKEY_PCSC_S_OK) {