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Author SHA1 Message Date
Xinyu Zhou
f17edfaf5a
Remove deprecated DSA host key from Docker Container (#21522)
Since OpenSSH 7.0 and greater similarly disable the ssh-dss (DSA) public
key algorithm, and recommend against its use.
http://www.openssh.com/legacy.html

## ⚠️ BREAKING ⚠️

This patch will remove DSA host key form OpenSSH daemon configuration
file.

Signed-off-by: baronbunny <its@baronbunny.cn>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
2022-11-03 19:49:12 +08:00
Thomas Andrade
4a295d4a6c
feat: Add support for extra sshd_config parameters via 'Include' file (#19842)
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
2022-05-31 14:42:19 -04:00
Gusted
ba5f2acb9c
Configure OpenSSH log level via Environment in Docker (#19274)
Introduce a new environment variable: SSH_LOG_LEVEL
2022-03-31 11:15:36 +08:00
zeripath
8947422781
Fix bug due to missing MaxStartups and MaxSessions (#16046)
Unforunately #16009 makes these settings mandatory. This PR uses the same technique
as used for the certificates to make these settings non-mandatory.

Fix #16044

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: 6543 <6543@obermui.de>
2021-06-01 15:55:17 -04:00
Dario Louzado
5de01e21a1
Make sshd_config more flexible regarding connections (#16009)
* Make sshd_config more flexible regarding
MaxStartups and MaxSessions.

See https://man.openbsd.org/sshd_config
for more information.

* make property prefix equals
other existing Gitea SSH properties.

Co-authored-by: dlouzado <dlouzado@senado.leg.br>
2021-05-31 21:33:50 -04:00
zeripath
0ada74edbc
Only offer hostcertificates if they exist (#15849)
A common bug report is the otherwise harmless sshd logging:

```
Could not load host certificate "/data/ssh/ssh_host_ed25519_cert": No such file or directory
```

This PR simply checks if these files exist before creation of sshd_config and if
they do not exist, doesn't add a reference to them.

Fix #14110 amongst others.

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: Lauris BH <lauris@nix.lv>
2021-05-13 15:11:28 +03:00
Anders Eurenius Runvald
01f991ac88
Update sshd_config (#13143)
Afaik, adding these lines does nothing unless the file(s) are present. Having them in let's admins supply certs instead of relying on TOFU.

Co-authored-by: zeripath <art27@cantab.net>
2020-10-14 13:01:11 -04:00
Wim
9066d09c57
Add ssh certificate support (#12281)
* Add ssh certificate support

* Add ssh certificate support to builtin ssh

* Write trusted-user-ca-keys.pem based on configuration

* Update app.example.ini

* Update templates/user/settings/keys_principal.tmpl

Co-authored-by: silverwind <me@silverwind.io>

* Remove unused locale string

* Update options/locale/locale_en-US.ini

Co-authored-by: silverwind <me@silverwind.io>

* Update options/locale/locale_en-US.ini

Co-authored-by: silverwind <me@silverwind.io>

* Update models/ssh_key.go

Co-authored-by: silverwind <me@silverwind.io>

* Add missing creation of SSH.Rootpath

* Update cheatsheet, example and locale strings

* Update models/ssh_key.go

Co-authored-by: zeripath <art27@cantab.net>

* Update models/ssh_key.go

Co-authored-by: zeripath <art27@cantab.net>

* Update models/ssh_key.go

Co-authored-by: zeripath <art27@cantab.net>

* Update models/ssh_key.go

Co-authored-by: zeripath <art27@cantab.net>

* Update models/ssh_key.go

* Optimizations based on feedback

* Validate CA keys for external sshd

* Add filename option and change default filename

Add a SSH_TRUSTED_USER_CA_KEYS_FILENAME option which default is
RUN_USER/.ssh/gitea-trusted-user-ca-keys.pem

Do not write a file when SSH_TRUSTED_USER_CA_KEYS is empty.

Add some more documentation.

* Remove unneeded principalkey functions

* Add blank line

* Apply suggestions from code review

Co-authored-by: zeripath <art27@cantab.net>

* Add SSH_AUTHORIZED_PRINCIPALS_ALLOW option

This adds a SSH_AUTHORIZED_PRINCIPALS_ALLOW which is default
email,username this means that users only can add the principals
that match their email or username.

To allow anything the admin need to set the option anything.

This allows for a safe default in gitea which protects against malicious
users using other user's prinicipals. (before that user could set it).

This commit also has some small other fixes from the last code review.

* Rewrite principal keys file on user deletion

* Use correct rewrite method

* Set correct AuthorizedPrincipalsBackup default setting

* Rewrite principalsfile when adding principals

* Add update authorized_principals option to admin dashboard

* Handle non-primary emails

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Add the command actually to the dashboard template

* Update models/ssh_key.go

Co-authored-by: silverwind <me@silverwind.io>

* By default do not show principal options unless there are CA keys set or they are explicitly set

Signed-off-by: Andrew Thornton <art27@cantab.net>

* allow settings when enabled

* Fix typos in TrustedUserCAKeys path

* Allow every CASignatureAlgorithms algorithm

As this depends on the content of TrustedUserCAKeys we should allow all
signature algorithms as admins can choose the specific algorithm on their
signing CA

* Update models/ssh_key.go

Co-authored-by: Lauris BH <lauris@nix.lv>

* Fix linting issue

Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: techknowlogick <matti@mdranta.net>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
2020-10-10 20:38:09 -04:00
zeripath
ea69ec6f0f
Disable DSA ssh keys by default (#13056)
* Disable DSA ssh keys by default

OpenSSH has disabled DSA keys since version 7.0

As the docker runs openssh > v7.0 we should just disable
DSA keys by default.

Refers to #11417

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Just disable DSA keys by default

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Appears we need to set the minimum key sizes too

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Appears we need to set the minimum key sizes too

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Remove DSA type

* Fix Tests

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Lauris BH <lauris@nix.lv>
2020-10-09 09:52:57 +03:00
zeripath
0a96e59884 Fix #8453 by making openssh listen on SSH_LISTEN_PORT not SSH_PORT (#8477) 2019-10-12 23:45:00 +08:00
jpellegrini
852b8e2d81 Make AllowedUsers configurable in sshd_config (#8094)
docker/root/usr/bin/entrypoint already allows for the specification
of USER, USER_UID, USER_GID. But since AllowedUsers is hardcoded in
sshd_config, one cannot log in as a user different ftom git.
This change substitutes ${USER} for git in the sshd_config template.

Signed-off-by: Jeronimo Pellegrini <j_p@aleph0.info>
2019-09-05 22:20:55 +02:00
Christopher Thomas
75d4414386 Implement the ability to change the ssh port to match what is in the gitea config (#7286)
* - rearrange the templates to make it more logical because now ssh_config is a template
- implemented the updating of the port to the same as the port sent to the gitea config

* change the filename back
2019-07-06 21:57:53 -04:00
Renamed from docker/root/etc/ssh/sshd_config (Browse further)