{"id":25963730,"url":"https://github.com/grsaiago/my_ping","last_synced_at":"2026-04-02T18:43:29.538Z","repository":{"id":280069364,"uuid":"940893644","full_name":"Grsaiago/my_ping","owner":"Grsaiago","description":"A reimplementation of inettools 2.0 Ping utility in C","archived":false,"fork":false,"pushed_at":"2025-03-23T21:18:48.000Z","size":65,"stargazers_count":3,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-06-01T10:27:50.120Z","etag":null,"topics":["c","cli","network-analysis","networking","ping","study-project"],"latest_commit_sha":null,"homepage":"","language":"C","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/Grsaiago.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null}},"created_at":"2025-03-01T02:14:08.000Z","updated_at":"2025-04-04T19:14:37.000Z","dependencies_parsed_at":"2025-06-07T22:15:34.595Z","dependency_job_id":null,"html_url":"https://github.com/Grsaiago/my_ping","commit_stats":null,"previous_names":["grsaiago/my_ping"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/Grsaiago/my_ping","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Grsaiago%2Fmy_ping","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Grsaiago%2Fmy_ping/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Grsaiago%2Fmy_ping/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Grsaiago%2Fmy_ping/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/Grsaiago","download_url":"https://codeload.github.com/Grsaiago/my_ping/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Grsaiago%2Fmy_ping/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":31313233,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-02T12:59:32.332Z","status":"ssl_error","status_checked_at":"2026-04-02T12:54:48.875Z","response_time":89,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.5:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["c","cli","network-analysis","networking","ping","study-project"],"created_at":"2025-03-04T20:47:36.666Z","updated_at":"2026-04-02T18:43:29.533Z","avatar_url":"https://github.com/Grsaiago.png","language":"C","funding_links":[],"categories":[],"sub_categories":[],"readme":"# ft_ping\n\nRecreating the inettools-2.0 ping in C, one ICMP ECHO_REQUEST packet at a time xD.\n\u003cp align=\"center\"\u003e\n  \u003cimg src=\"https://github.com/user-attachments/assets/d83d57ee-842e-4da3-9846-a52e436074bd\" alt=\"usage gif\" /\u003e\n\u003c/p\u003e\n\n## 📂 Project Structure\n\n```sh\n.\n├── Makefile                # Makefile for building and managing the project\n├── README.md               # This file\n├── include/                # Header files\n│   └── my_ping.h           # Main header file for my_ping\n├── obj/                    # Compiled object files (generated during build)\n└── src/                    # Source code files\n    ├── icmp_messages.c     # Handles ICMP message creation and parsing\n    ├── initialization.c    # Initializes the ping utility\n    ├── main.c              # Entry point of the program\n    ├── message_record.c    # Tracks sent and received messages\n    ├── parse.c             # Parses command-line arguments\n    ├── print.c             # Handles output and logging\n    ├── signal.c            # Manages signal handling (e.g., Ctrl+C)\n    ├── socket.c            # Manages socket creation and communication\n    └── validation.c        # Validates input and network parameters\n```\n\n## 🛠️ Features\n\n- GNU-compliant CLI: Uses parse_argp to provide a standard command-line interface.\n\n- Cli Options:\n\n```sh\n-c, --count=NUMBER         Stop after sending NUMBER packets\n-d, --debug                Set the SO_DEBUG option\n-i, --interval=NUMBER      Wait NUMBER seconds between sending each packet\n-t, --ttl=N                specify N as time-to-live\n-v, --verbose              Verbose output\n-W, --linger=N             Number of seconds to wait for response\n-?, --help                 Give this help list\n--usage                Give a short usage message\n-V, --version              Print program version\n```\n\n- ICMP Protocol Implementation: Handles ICMP ECHO_REQUEST,\nECHO_REPLY, and ICMP_TIMXCEED messages.\n\n- Signal Handling: Gracefully handles interruptions (e.g., Ctrl+C).\n\n- Final metrics: min, max and average round trip time (rtt) measurement,\nas well as standard deviation.\n\n## Examples\n\n- Ping a host 5 times:\n\n```sh\nsudo ./my_ping -c 5 google.com\n```\n\n- Set a custom interval between packets\n\n```sh\nsudo ./my_ping -i 2 google.com\n```\n\n- Enable verbose output\n\n```sh\nsudo ./my_ping -v google.com\n```\n\n## How It Works\n\n### Initialization:\n\n1. The program parses command-line arguments and validates the target host.\n1. A raw socket is created to send and receive ICMP packets.\n1. The hostname is resolved with DNS or validated (in case of an ipaddr input).\n\n### ICMP Packet Handling:\n\n1. ICMP ECHO_REQUEST packets are constructed and sent to the target host.\n\n1. The program listens for ECHO_REPLY packets and calculates round-trip times.\n\n### Signal Handling:\n\n1. The program handles interruptions (e.g., Ctrl+C) and displays statistics before exiting.\n\n### Output:\n\n1. The program prints detailed information about each packet,\nincluding sequence numbers, round-trip times, and TTL values.\n\n## References\n\n### RFCS\n\n1. [Ip Packet Definition](https://datatracker.ietf.org/doc/html/rfc791#section-3.1)\n1. [ICMP RFC](https://datatracker.ietf.org/doc/html/rfc792)\n\n### Concepts\n\n1. [Raw sockets](https://man7.org/linux/man-pages/man7/raw.7.html)\n1. [icmp](https://man7.org/linux/man-pages/man7/icmp.7.html)\n\n### Functions\n\n1. [getaddrinfo](https://man7.org/linux/man-pages/man3/getaddrinfo.3.html):\ndns/name host ip validation\n1. [getnameinfo](https://man7.org/linux/man-pages/man3/getnameinfo.3.html):\nreverse dns\n\n## 🙏 Acknowledgments\n\nInspired by the inettools 2.0 ping utility.\n\nBuilt with 💖 and a healthy amount of coffee.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fgrsaiago%2Fmy_ping","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fgrsaiago%2Fmy_ping","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fgrsaiago%2Fmy_ping/lists"}