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allow all private ip ranges

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This commit is contained in:
Benjamin Wilson 2025-01-10 11:37:11 -05:00
parent 4a30d74a90
commit 197febd589
1 changed files with 24 additions and 8 deletions
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32
main/http_server/http_server.c
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@ -153,18 +153,34 @@ static esp_err_t check_is_same_network(httpd_req_t * req){
origin_ip_addr = request_ip_addr;
}
uint32_t requestor_network = request_ip_addr & server_netmask;
uint32_t origin_network = origin_ip_addr & server_netmask;
//Check if client is in the same network as the server
if (server_network != origin_network || server_network != requestor_network) {
ESP_LOGI(TAG, "Client is NOT in the same network as the server.");
return ESP_FAIL;
}
return ESP_OK;
//Private IP ranges
//192.168.0.0
uint32_t sixteen_bit_block = b11000000101010000000000000000000;
uint32_t sixteen_bit_mask = b11111111111111110000000000000000;
if(requestor_network & sixteen_bit_mask == sixteen_bit_block && origin_network & sixteen_bit_mask == sixteen_bit_block){
return ESP_OK;
}
//172.16.0.0
uint32_t twenty_bit_block = b10101100000100000000000000000000;
uint32_t twenty_bit_mask = b11111111111100000000000000000000;
if(requestor_network & twenty_bit_mask == twenty_bit_block && origin_network & twenty_bit_mask == twenty_bit_block){
return ESP_OK;
}
//10.0.0.0
uint32_t twenty_four_bit_block = b00001010000000000000000000000000;
uint32_t twenty_four_bit_mask = b11111111000000000000000000000000;
if(requestor_network & twenty_four_bit_mask == twenty_four_bit_block && origin_network & twenty_four_bit_mask == twenty_four_bit_block){
return ESP_OK;
}
ESP_LOGI(TAG, "Client is NOT in the private ip ranges or same range as server.");
return ESP_FAIL;
}