This script provides various functionalities related to the SNCF WiFi inOui service, allowing users to manage their connection, check trip details, and configure DNS settings.

⚠️ Compatibility: macOS and Linux only

• jq: A lightweight and flexible command-line JSON processor. It is used to parse JSON responses from SNCF WiFi APIs.
• curl: A command-line tool and library for transferring data with URLs. It is used to make HTTP requests to SNCF WiFi APIs.
• Network Setup Tool (networksetup): A command-line utility on macOS used to configure network settings, including DNS servers.

./wifi_sncf.sh [OPTION]

• (no option): Displays the current DNS configuration and pings google.com.
• -h: Displays help information.
• -sncf: Uses the SNCF WiFi gateway as the DNS server and retrieves trip details.
• -normandie: Uses the Normandie WiFi gateway as the DNS server and retrieves trip details.
• -google: Uses Google DNS servers as the DNS servers.
• -nextdns: Sets DNS to go through NextDNS only.

$ ./wifi_sncf.sh -sncf

Output:

DNS config:
10.122.0.1

Pinging google.com: NOK

Status: true (identifier has existing grant)

Granted Bandwidth: 9.76 MB/s
Remaining Data: 106.15 MB
Consumed Data: 893.84 MB
Data Remaining: 10%
Next Reset: 2024-04-01 11:49:35

Connection already activated.

WiFi Quality: 5/5
Number of Devices Connected: 126
Train speed: 82.598 km/h
Train altitude: 356.63 meters

Trip percentage: 91%
Number of Stops: 1
Final destination: Grenoble
Theoretical Arrival: 13:13
Real Arrival: 13:18
Delayed stops: Grenoble is delayed by 5 minutes

Bar queue is not empty

Thanks to Vulpine Citrus for insights into the SNCF WiFi API.