mainscnt/mains-frequency-counter-esp32
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

avoid some chararcters

Browse Source
This commit is contained in:
Wolfgang Hottgenroth
2021-03-25 10:27:16 +01:00
parent 14a0ff8810
commit 073c003446
1 changed files with 12 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/main/sinkSender.c
View File

@ -127,14 +127,21 @@ void sinksenderInit() {
ESP_LOGI(TAG, "1. err: %d, len: %d", err, s); ESP_LOGI(TAG, "1. err: %d, len: %d", err, s);
err = nvs_get_str(nvsHandle, "sharedSecret", sharedSecret, &s); err = nvs_get_str(nvsHandle, "sharedSecret", sharedSecret, &s);
ESP_LOGI(TAG, "2. err: %d, len: %d", err, s); ESP_LOGI(TAG, "2. err: %d, len: %d", err, s);
if (err == ESP_OK) { if (err != ESP_OK) {
ESP_LOGI(TAG, "stored sharedSecret: %s", sharedSecret);
} else {
ESP_LOGI(TAG, "sharedSecret not configured, create one"); ESP_LOGI(TAG, "sharedSecret not configured, create one");
memset(sharedSecret, 0, sizeof(sharedSecret)); memset(sharedSecret, 0, sizeof(sharedSecret));
esp_fill_random(sharedSecret, sizeof(sharedSecret)-1); esp_fill_random(sharedSecret, sizeof(sharedSecret)-1);
for (uint8_t i = 0; i < sizeof(sharedSecret)-1; i++) { for (uint8_t i = 0; i < sizeof(sharedSecret)-1; i++) {
sharedSecret[i] = (sharedSecret[i] % 94) + 33; // 0 .. 255 -> 33 .. 93 sharedSecret[i] = (sharedSecret[i] % 91) + 33; // 0 .. 255 -> 33 .. 123
if (sharedSecret[i] == 34) { // "
sharedSecret[i] = 124; // |
}
if (sharedSecret[i] == 39) { // '
sharedSecret[i] = 125; // }
}
if (sharedSecret[i] == 96) { // `
sharedSecret[i] = 126; // ~
}
} }
ESP_LOGI(TAG, "generated sharedSecret is %s", sharedSecret); ESP_LOGI(TAG, "generated sharedSecret is %s", sharedSecret);
if (ESP_OK == nvs_set_str(nvsHandle, "sharedSecret", sharedSecret)) { if (ESP_OK == nvs_set_str(nvsHandle, "sharedSecret", sharedSecret)) {
@ -146,7 +153,7 @@ void sinksenderInit() {
} }
ESP_LOGI(TAG, "finally deviceId: %s", deviceId); ESP_LOGI(TAG, "finally deviceId: %s", deviceId);
ESP_LOGI(TAG, "finally sharedSecret: %s", sharedSecret); ESP_LOGI(TAG, "finally sharedSecret: [masked]");
xTaskCreate(sinksenderExecTask, "sinksender_exec_task", 4096, NULL, 5, NULL); xTaskCreate(sinksenderExecTask, "sinksender_exec_task", 4096, NULL, 5, NULL);
} }