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Merge pull request '[GITEA] Restrict certificate type for builtin SSH server' (#1172) from Gusted/forgejo:forgejo-cert-user into forgejo-dependency

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Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/1172
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Gusted 2023-08-02 17:08:24 +00:00
commit c929bfd22c
1 changed files with 6 additions and 0 deletions
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6
modules/ssh/ssh.go
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@ -186,6 +186,12 @@ func publicKeyHandler(ctx ssh.Context, key ssh.PublicKey) bool {
return false return false
} }
if cert.CertType != gossh.UserCert {
log.Warn("Certificate Rejected: Not a user certificate")
log.Warn("Failed authentication attempt from %s", ctx.RemoteAddr())
return false
}
// look for the exact principal // look for the exact principal
principalLoop: principalLoop:
for _, principal := range cert.ValidPrincipals { for _, principal := range cert.ValidPrincipals {