goodixmoc: Fix some big/little endian support issues
Goodix driver is not working fine in BigEndian architectures. This commit fixes some of these issues. Related: #236
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parent
3b83157e9b
commit
e0c41c5444
3 changed files with 58 additions and 33 deletions
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@ -127,7 +127,7 @@ fp_cmd_receive_cb (FpiUsbTransfer *transfer,
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}
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gx_proto_crc32_calc (transfer->buffer, PACKAGE_HEADER_SIZE + header.len, (uint8_t *) &crc32_calc);
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if(crc32_calc != *(uint32_t *) (transfer->buffer + PACKAGE_HEADER_SIZE + header.len))
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if(crc32_calc != GUINT32_FROM_LE (*(uint32_t *) (transfer->buffer + PACKAGE_HEADER_SIZE + header.len)))
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{
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fpi_ssm_mark_failed (transfer->ssm,
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fpi_device_error_new_msg (FP_DEVICE_ERROR_PROTO,
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@ -141,8 +141,11 @@ crc32_update (gf_crc32_context *ctx, const uint8_t *message, uint32_t n_bytes)
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static void
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crc32_final (gf_crc32_context *ctx, uint8_t *md)
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{
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uint32_t crc = 0;
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ctx->crc = (REFLECT_REMAINDER (ctx->crc) ^ FINAL_XOR_VALUE);
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memcpy (md, &ctx->crc, 4);
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crc = GUINT32_TO_LE (ctx->crc);
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memcpy (md, &crc, 4);
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}
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uint8_t
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@ -184,7 +187,7 @@ init_pack_header (
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pheader->cmd1 = LOBYTE (cmd);
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pheader->packagenum = packagenum;
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pheader->reserved = dump_seq++;
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pheader->len = len + PACKAGE_CRC_SIZE;
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pheader->len = GUINT16_TO_LE (len + PACKAGE_CRC_SIZE);
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pheader->crc8 = gx_proto_crc8_calc ((uint8_t *) pheader, 6);
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pheader->rev_crc8 = ~pheader->crc8;
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}
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@ -224,14 +227,14 @@ gx_proto_parse_header (
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{
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if (!buffer || !pheader)
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return -1;
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if (buffer_len < PACKAGE_HEADER_SIZE)
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if (buffer_len < PACKAGE_HEADER_SIZE + PACKAGE_CRC_SIZE)
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return -1;
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memcpy (pheader, buffer, sizeof (pack_header));
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pheader->len = GUINT16_FROM_LE ( *(uint16_t *) (buffer + 4));
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pheader->len = GUINT16_FROM_LE (pheader->len);
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if (buffer_len < pheader->len + PACKAGE_HEADER_SIZE)
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return -1;
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pheader->len -= PACKAGE_CRC_SIZE;
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return 0;
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}
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@ -248,7 +251,7 @@ gx_proto_parse_fingerid (
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if (!template || !fid_buffer)
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return -1;
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if (fid_buffer_size < 70)
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if (fid_buffer_size < G_STRUCT_OFFSET (template_format_t, payload) + sizeof (uint32_t))
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return -1;
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buffer = fid_buffer;
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@ -256,28 +259,30 @@ gx_proto_parse_fingerid (
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if (buffer[Offset++] != 67)
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return -1;
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fid_buffer_size--;
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template->type = buffer[Offset++];
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fid_buffer_size--;
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template->finger_index = buffer[Offset++];
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fid_buffer_size--;
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Offset++;
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memcpy (template->accountid, &buffer[Offset], 32);
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Offset += 32;
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memcpy (template->tid, &buffer[Offset], 32);
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Offset += 32; // Offset == 68
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memcpy (template->accountid, &buffer[Offset], sizeof (template->accountid));
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Offset += sizeof (template->accountid);
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memcpy (template->tid, &buffer[Offset], sizeof (template->tid));
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Offset += sizeof (template->tid); // Offset == 68
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template->payload.size = buffer[Offset++];
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memset (template->payload.data, 0, 56);
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if (template->payload.size > sizeof (template->payload.data))
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return -1;
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memset (template->payload.data, 0, template->payload.size);
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memcpy (template->payload.data, &buffer[Offset], template->payload.size);
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return 0;
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}
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int
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gx_proto_parse_body (uint16_t cmd, uint8_t *buffer, uint32_t buffer_len, pgxfp_cmd_response_t presp)
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gx_proto_parse_body (uint16_t cmd, uint8_t *buffer, uint16_t buffer_len, pgxfp_cmd_response_t presp)
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{
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uint32_t offset = 0;
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uint16_t offset = 0;
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uint8_t *fingerlist = NULL;
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if (!buffer || !presp)
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@ -289,6 +294,8 @@ gx_proto_parse_body (uint16_t cmd, uint8_t *buffer, uint32_t buffer_len, pgxfp_c
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{
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case RESPONSE_PACKAGE_CMD:
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{
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if (buffer_len < sizeof (gxfp_parse_msg_t) + 1)
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return -1;
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presp->parse_msg.ack_cmd = buffer[1];
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}
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break;
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@ -296,32 +303,46 @@ gx_proto_parse_body (uint16_t cmd, uint8_t *buffer, uint32_t buffer_len, pgxfp_c
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case MOC_CMD0_UPDATE_CONFIG:
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{
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presp->finger_config.status = buffer[0];
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if (buffer_len >= 3)
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presp->finger_config.max_stored_prints = buffer[2];
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else
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/* to compatiable old version firmware */
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presp->finger_config.max_stored_prints = FP_MAX_FINGERNUM;
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}
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break;
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case MOC_CMD0_COMMITENROLLMENT:
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case MOC_CMD0_DELETETEMPLATE:
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/* just check result */
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break;
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case MOC_CMD0_GET_VERSION:
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if (buffer_len < sizeof (gxfp_version_info_t) + 1)
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return -1;
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memcpy (&presp->version_info, buffer + 1, sizeof (gxfp_version_info_t));
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break;
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case MOC_CMD0_CAPTURE_DATA:
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if (LOBYTE (cmd) == MOC_CMD1_DEFAULT)
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{
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if (buffer_len < sizeof (gxfp_capturedata_t) + 1)
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return -1;
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presp->capture_data_resp.img_quality = buffer[1];
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presp->capture_data_resp.img_coverage = buffer[2];
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}
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break;
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case MOC_CMD0_ENROLL_INIT:
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if (buffer_len < sizeof (gxfp_enroll_init_t) + 1)
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return -1;
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if (presp->result == GX_SUCCESS)
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memcpy (&presp->enroll_init.tid, &buffer[1], TEMPLATE_ID_SIZE);
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break;
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case MOC_CMD0_ENROLL:
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if (buffer_len < sizeof (gxfp_enroll_update_t))
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return -1;
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presp->enroll_update.rollback = (buffer[0] < 0x80) ? false : true;
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presp->enroll_update.img_overlay = buffer[1];
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presp->enroll_update.img_preoverlay = buffer[2];
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@ -331,7 +352,11 @@ gx_proto_parse_body (uint16_t cmd, uint8_t *buffer, uint32_t buffer_len, pgxfp_c
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presp->check_duplicate_resp.duplicate = (presp->result == 0) ? false : true;
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if (presp->check_duplicate_resp.duplicate)
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{
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uint16_t tid_size = GUINT16_FROM_LE (*(buffer + 1));
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if (buffer_len < 3)
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return -1;
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uint16_t tid_size = GUINT16_FROM_LE (*(uint16_t *) (buffer + 1));
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if ((buffer_len < tid_size + 3) || (buffer_len > sizeof (template_format_t)) + 3)
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return -1;
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memcpy (&presp->check_duplicate_resp.template, buffer + 3, tid_size);
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}
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break;
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@ -339,18 +364,16 @@ gx_proto_parse_body (uint16_t cmd, uint8_t *buffer, uint32_t buffer_len, pgxfp_c
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case MOC_CMD0_GETFINGERLIST:
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if (presp->result != GX_SUCCESS)
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break;
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if (buffer_len < 2)
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return -1;
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presp->finger_list_resp.finger_num = buffer[1];
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if (presp->finger_list_resp.finger_num > FP_MAX_FINGERNUM)
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{
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presp->finger_list_resp.finger_num = 0;
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presp->result = GX_ERROR_NO_AVAILABLE_SPACE;
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break;
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}
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fingerlist = buffer + 2;
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for(uint8_t num = 0; num < presp->finger_list_resp.finger_num; num++)
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{
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uint16_t fingerid_length = GUINT16_FROM_LE (*(fingerlist + offset));
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uint16_t fingerid_length = GUINT16_FROM_LE (*(uint16_t *) (fingerlist + offset));
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offset += 2;
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if (buffer_len < fingerid_length + offset + 2)
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return -1;
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if (gx_proto_parse_fingerid (fingerlist + offset,
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fingerid_length,
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&presp->finger_list_resp.finger_list[num]) != 0)
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@ -372,14 +395,16 @@ gx_proto_parse_body (uint16_t cmd, uint8_t *buffer, uint32_t buffer_len, pgxfp_c
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presp->verify.match = (buffer[0] == 0) ? true : false;
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if (presp->verify.match)
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{
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if (buffer_len < sizeof (template_format_t) + 10)
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return -1;
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offset += 1;
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presp->verify.rejectdetail = GUINT16_FROM_LE (*(buffer + offset));
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presp->verify.rejectdetail = GUINT16_FROM_LE (*(uint16_t *) (buffer + offset));
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offset += 2;
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score = GUINT32_FROM_LE (*(buffer + offset));
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score = GUINT32_FROM_LE (*(uint32_t *) (buffer + offset));
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offset += 4;
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study = GUINT16_FROM_LE (*(buffer + offset));
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study = buffer[offset];
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offset += 1;
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fingerid_size = GUINT16_FROM_LE (*(buffer + offset));
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fingerid_size = GUINT16_FROM_LE (*(uint16_t *) (buffer + offset));
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offset += 2;
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if (gx_proto_parse_fingerid (buffer + offset, fingerid_size, &presp->verify.template) != 0)
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{
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@ -89,7 +89,7 @@ typedef struct _gxfp_version_info
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uint8_t interface[GX_VERSION_LEN];
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uint8_t protocol[GX_VERSION_LEN];
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uint8_t flashVersion[GX_VERSION_LEN];
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uint8_t reserved[62];
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uint8_t reserved[38];
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} gxfp_version_info_t, *pgxfp_version_info_t;
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@ -225,7 +225,7 @@ int gx_proto_parse_header (uint8_t *buffer,
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int gx_proto_parse_body (uint16_t cmd,
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uint8_t *buffer,
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uint32_t buffer_len,
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uint16_t buffer_len,
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pgxfp_cmd_response_t presponse);
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int gx_proto_init_sensor_config (pgxfp_sensor_cfg_t pconfig);
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