Merge branch 'bugfix/blufi_buffer_overflow_report' into 'master'

Bugfix/blufi buffer overflow report

See merge request espressif/esp-idf!9177
pull/5628/head
Jiang Jiang Jian 2020-06-16 15:58:25 +08:00
commit d93b8b2939
2 zmienionych plików z 11 dodań i 2 usunięć

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@ -83,6 +83,7 @@ typedef enum {
ESP_BLUFI_DH_PARAM_ERROR,
ESP_BLUFI_READ_PARAM_ERROR,
ESP_BLUFI_MAKE_PUBLIC_ERROR,
ESP_BLUFI_DATA_FORMAT_ERROR,
} esp_blufi_error_state_t;
/**

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@ -433,11 +433,19 @@ static void btc_blufi_recv_handler(uint8_t *data, int len)
blufi_env.aggr_buf = osi_malloc(blufi_env.total_len);
if (blufi_env.aggr_buf == NULL) {
BTC_TRACE_ERROR("%s no mem, len %d\n", __func__, blufi_env.total_len);
btc_blufi_report_error(ESP_BLUFI_DH_MALLOC_ERROR);
return;
}
}
memcpy(blufi_env.aggr_buf + blufi_env.offset, hdr->data + 2, hdr->data_len - 2);
blufi_env.offset += (hdr->data_len - 2);
if (blufi_env.offset + hdr->data_len - 2 <= blufi_env.total_len){
memcpy(blufi_env.aggr_buf + blufi_env.offset, hdr->data + 2, hdr->data_len - 2);
blufi_env.offset += (hdr->data_len - 2);
} else {
BTC_TRACE_ERROR("%s payload is longer than packet length, len %d \n", __func__, blufi_env.total_len);
btc_blufi_report_error(ESP_BLUFI_DATA_FORMAT_ERROR);
return;
}
} else {
if (blufi_env.offset > 0) { /* if previous pkt is frag */
memcpy(blufi_env.aggr_buf + blufi_env.offset, hdr->data, hdr->data_len);