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Require access to Still via method

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This commit adds a safeguard to accessing the still from a specific
component by requiring access via the component.GetStill method.
This commit is contained in:
Tom Wiesing 2024-04-08 22:39:32 +02:00
parent 81fa84c244
commit 8235ea9105
No known key found for this signature in database
63 changed files with 288 additions and 197 deletions
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11
internal/dis/component/ssh2/server_forward.go
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@ -58,10 +58,11 @@ func (i Intercept) Intercept(req component.HostPort) (intercepted bool, ok bool,
}
func (ssh2 *SSH2) Intercepts() []Intercept {
upstream := component.GetStill(ssh2).Upstream
return ssh2.interceptsC.Get(func() []Intercept {
return []Intercept{
{Description: "Triplestore", Match: component.HostPort{Host: "triplestore", Port: 7200}, Dest: ssh2.Upstream.Triplestore},
{Description: "SQL", Match: component.HostPort{Host: "sql", Port: 3306}, Dest: ssh2.Upstream.SQL},
{Description: "Triplestore", Match: component.HostPort{Host: "triplestore", Port: 7200}, Dest: upstream.Triplestore},
{Description: "SQL", Match: component.HostPort{Host: "sql", Port: 3306}, Dest: upstream.SQL},
{Description: "PHPMyAdmin", Match: component.HostPort{Host: "phpmyadmin", Port: 80}, Dest: component.HostPort{Host: "phpmyadmin", Port: 80}},
}
})
@ -77,13 +78,15 @@ func (ssh2 *SSH2) getForwardDest(req component.HostPort, ctx ssh.Context) (ok bo
return ok, dest, rejectReason
}
config := component.GetStill(ssh2).Config
// then check the instances
slug, ok := ssh2.Config.HTTP.SlugFromHost(req.Host)
slug, ok := config.HTTP.SlugFromHost(req.Host)
if !ok || req.Port != 22 || !hasPermission(ctx, slug) {
return false, dest, "permission denied"
}
return true, component.HostPort{Host: slug + "." + ssh2.Config.HTTP.PrimaryDomain + ".wisski", Port: 22}, ""
return true, component.HostPort{Host: slug + "." + config.HTTP.PrimaryDomain + ".wisski", Port: 22}, ""
}
// handleDirectTCP handles a direct tcp connection for the server