{"id":25310224,"url":"https://github.com/vdbe/sshd-command","last_synced_at":"2025-04-07T11:27:18.735Z","repository":{"id":276610328,"uuid":"929769590","full_name":"vdbe/sshd-command","owner":"vdbe","description":"Template parser for sshd AuthorizedKeysCommand and AuthorizedPrincipalsCommand","archived":false,"fork":false,"pushed_at":"2025-04-06T16:28:37.000Z","size":95,"stargazers_count":0,"open_issues_count":2,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-04-06T17:29:37.219Z","etag":null,"topics":["ssh","ssh-certificates"],"latest_commit_sha":null,"homepage":"","language":"Rust","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/vdbe.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","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}},"created_at":"2025-02-09T11:07:00.000Z","updated_at":"2025-04-06T16:28:41.000Z","dependencies_parsed_at":"2025-04-06T17:35:14.886Z","dependency_job_id":null,"html_url":"https://github.com/vdbe/sshd-command","commit_stats":null,"previous_names":["vdbe/sshd-command"],"tags_count":2,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vdbe%2Fsshd-command","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vdbe%2Fsshd-command/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vdbe%2Fsshd-command/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vdbe%2Fsshd-command/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/vdbe","download_url":"https://codeload.github.com/vdbe/sshd-command/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":247642600,"owners_count":20971931,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","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":["ssh","ssh-certificates"],"created_at":"2025-02-13T13:53:43.391Z","updated_at":"2025-04-07T11:27:18.729Z","avatar_url":"https://github.com/vdbe.png","language":"Rust","funding_links":[],"categories":[],"sub_categories":[],"readme":"# sshd-command\n\nSshd-command is tool to be used a `AuthorizedKeysCommand`/`AuthorizedPrincipalsCommand` (see SSHD_CONFIG(5))\nin combination with a [tera template](https://keats.github.io/tera/).\n\n\n## Usage\n\n```\n# /etc/ssh/sshd_config\n# ...\n\nAuthorizedPrincipalsCommand /usr/local/bin/sshd-command /etc/ssh/templates/principals.tera %U %u\nAuthorizedPrincipalsCommandUser nobody\n````\n```tera\n---\n# /etc/ssh/templates/principals.tera\nsshd_command:\n    version: 0.1.0\n    command: principals\n    tokens: '%U %u'\n    hostname: true\n    complete_user: true\nsearch_domains:\n    - home.arpa\n    - local\n---\n{% macro principals(fqdn) -%}\n    {{ fqdn }}\n    {{ user.name }}@{{ fqdn }}\n    {%- for group in user.groups  %}\n        {%- if group.gid \u003e= 1000 %}\n           @{{- group.name }}@{{ fqdn }}\n        {%- endif %}\n    {%- endfor -%}\n{%- endmacro input -%}\n\n{{- self::principals(fqdn=hostname) }}\n{% for search_domain in search_domains  %}\n    {{- self::principals(fqdn=hostname ~ \".\" ~ search_domain) }}\n{%  endfor -%}\n```\n\nYou can validate the front matter with `sshd-command --validate \u003ctemplate\u003e`.\n\n\u003cdetails open\u003e\n\u003csummary\u003eOutput: user@server01: @admin\u003c/summary\u003e\n    \n```\nserver01\n    user@server01\n           @admin@server01\nserver01.home.arpa\n    user@server01.home.arpa\n           @admin@server01.home.arpa\nserver01.local\n    user@server01.local\n           @admin@server01.local\n```\n\u003c/details\u003e\n\n## Installation\n\nDonwload the correct binary from the [latest release](https://github.com/vdbe/sshd-command/releases/tag/v0.2.0).\n\n### Nixos\n\nThis project is packaged (and updated/cached) in [vdbe/flake-pkgs](https://github.com/vdbe/flake-pkgs).\n\npackage: `legacyPackage.${system}.sshd-command`\n\u003cdetails close\u003e\n\u003csummary\u003enixosModule `nixosModules.sshd-command`\u003c/summary\u003e\n  \n```nix\nimports = [\n  inputs.mypkgs.nixosModules.sshd-command\n];\n\nservices.openssh = {\n  extraConfig = ''\n    TrustedUserCAKeys /etc/ssh/trusted_user_ca\n    AuthorizedPrincipalsCommandUser nobody\n  '';\n\n  sshd-command = {\n    enable = true;\n    package = inpust'.mypkgs.sshd-command;\n    templates = {\n      principals = {\n        sshd-command = {\n          command = \"principals\";\n          tokens = [\n            \"%U\"\n            \"%u\"\n          ];\n        };\n        extraFrontMatter = {\n          search_domains = [\"home.arpa\" \"local\"];\n        };\n        tera = ''\n          {% macro principals(fqdn) -%}\n          {{ fqdn }}\n          {{ user.name }}@{{ fqdn }}\n              {%- for group in user.groups  %}\n                  {%- if group.gid \u003e= 1000 %}\n          @{{- group.name }}@{{ fqdn }}\n                  {%- endif %}\n              {%- endfor -%}\n          {%- endmacro principals -%}\n\n          {{- self::principals(fqdn=hostname) }}\n          {% for search_domain in search_domains  %}\n          {{- self::principals(fqdn=hostname ~ \".\" ~ search_domain) }}\n          {%  endfor -%}\n        '';\n      };\n    };\n  };\n};\n```\n\u003c/details\u003e\n\n\n## Documentation\n\n### Front matter\n\nFront matter options outside of the `sshd_command` scope are added to the terraform context,\nall options documented below are in the `sshd_command` scope.\n\n- version (REQUIRED)\n  Minimum version required for the template.\n- command (REQUIRED)\n  For what sshd command is the template: `principals`/`keys`.\n- Tokens (REQUIRED)\n  Space seperated list of token provided to the command.\n  If more then 1 this must be quoted.\n- hostname (OPTIONAL)\n  Add the systems hostname to the context\n- complete_user (OPTIONAL)\n  Completes user information from %U or %u (atleast 1 must be provided) with:\n  - user id (`user.uid`)\n  - user name (`user.name`)\n  - primary group id (`user.gid`)\n  - user groups (`user.groups[]`)\n    - group id (`user.groups[].name`)\n    - group name (`user.groups[].gid`)\n\n\n### Tokens/context\n\n| Token | Context           | Frontmatter                             |\n| ----- | ----------------- | --------------------------------------- |\n| `%C`  | `client`/`server` | -                                       |\n| `%D`  | TODO              | -                                       |\n| `%F`  | TODO              | -                                       |\n| `%f`  | TODO              | -                                       |\n| `%h`  | `home_dir`        | -                                       |\n| `%i`  | `key_id`          | -                                       |\n| `%K`  | TODO              | -                                       |\n| `%k`  | TODO              | -                                       |\n| `%S`  | TODO              | -                                       |\n| `%T`  | TODO              | -                                       |\n| `%t`  | TODO              | -                                       |\n| `%U`  | `user.uid`        | `sshd_command.complete_user` (OPTIONAL) |\n| `%u`  | `user.name`       | `sshd_command.complete_user` (OPTIONAL) |\n| -     | `hostname`        | `sshd_command.hostname`                 |\n\n\n## Thanks to\n- [catppuccin/whiskers](https://github.com/catppuccin/whiskers) for the inspiration\n- [getchoo/nixpkgs-tracker-bot](https://github.com/getchoo/nixpkgs-tracker-bot) for the nix parts\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fvdbe%2Fsshd-command","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fvdbe%2Fsshd-command","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fvdbe%2Fsshd-command/lists"}