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List: openssh-bugs
Subject: [Bug 2625] Support Capabilities for ssh client port forwarding
From: bugzilla-daemon () bugzilla ! mindrot ! org
Date: 2016-10-24 6:10:15
Message-ID: bug-2625-705-WIgG8t5Pvm () https ! bugzilla ! mindrot ! org/
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https://bugzilla.mindrot.org/show_bug.cgi?id=2625
--- Comment #5 from Darren Tucker <dtucker@zip.com.au> ---
(In reply to Alexey Mochkin from comment #4)
> Your bind_permitted() function should have fallback to check for uid
> == 0 if no capabilities were presented.
fair enough, but it'd be cleaner if it just fell through, eg:
int
bind_permitted(int port, uid_t uid)
{
#ifdef LINUX_CAPABILITIES
if (linux_capability_bind_permitted())
return 1;
#endif
if (port < IPPORT_RESERVED && uid != 0)
return 0;
return 1;
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