[Dovecot] dovecot-auth file descriptor usage
Timo Sirainen
tss at iki.fi
Fri Jan 19 21:34:44 UTC 2007
On Wed, 2007-01-17 at 12:57 -0600, Steven F Siirila wrote:
> Doh! Here's another one (took 3 more trials to nab one):
>
> 29058: imap-login
> Current rlimit: unlimited file descriptors
> 0: S_IFSOCK mode:0666 dev:293,0 ino:63436 uid:0 gid:0 size:0
> O_RDWR|O_NONBLOCK
> SOCK_STREAM
> SO_REUSEADDR,SO_KEEPALIVE,SO_SNDBUF(49152),SO_RCVBUF(49152),IP_NEXTHOP(0.0.192.0)
> sockname: AF_INET 0.0.0.0 port: 143
> 1: S_IFSOCK mode:0666 dev:293,0 ino:42189 uid:0 gid:0 size:0
> O_RDWR|O_NONBLOCK
> SOCK_STREAM
> SO_REUSEADDR,SO_KEEPALIVE,SO_SNDBUF(49152),SO_RCVBUF(49152),IP_NEXTHOP(0.0.192.0)
> sockname: AF_INET 0.0.0.0 port: 993
Almost, but not quite :) File descriptors 0 and 1 are open only when the
process is listening for new connections (for ports 143 and 993). So
this process wasn't proxying SSL.
> 2: S_IFIFO mode:0000 dev:295,0 ino:2456463 uid:0 gid:1 size:0
> O_RDWR
This is logging pipe.
> 3: S_IFSOCK mode:0666 dev:293,0 ino:37418 uid:0 gid:0 size:0
> O_RDWR
> SOCK_STREAM
> SO_SNDBUF(16384),SO_RCVBUF(5120)
> sockname: AF_UNIX
Connection to master process.
> 4: S_IFCHR mode:0644 dev:287,0 ino:99614726 uid:0 gid:3 rdev:190,1
> O_RDONLY|O_LARGEFILE FD_CLOEXEC
> /devices/pseudo/random at 0:urandom
/dev/urandom.
So it hasn't actually yet even connected to dovecot-auth.
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