misc/117711: rpcbind binds to all interfaces on random ports even when using the -h flag

[Carlos Eduardo Monti]

>Number:         117711
>Category:       misc
>Synopsis:       rpcbind binds to all interfaces on random ports even when using the -h flag
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Oct 31 06:20:03 UTC 2007
>Closed-Date:
>Last-Modified:
>Originator:     Carlos Eduardo Monti
>Release:        FreeBSD 6.3-PRERELEASE
>Organization:
gfx & stuff
>Environment:
FreeBSD overnight.wicked.homeunix.net 6.3-PRERELEASE FreeBSD 6.3-PRERELEASE #2: Sun Oct 28 01:47:10 ART 2007     root at overnight.wicked.homeunix.net:/usr/obj/usr/src/sys/OVERNIGHT  i386
>Description:
rpcbind opens two sockets on all interfaces on random ports when specified the -h flag, one socket for udp4 and one for udp6.

>How-To-Repeat:
overnight# sockstat | grep rpcbind
overnight# rpcbind -h 192.168.0.3
overnight# sockstat | grep rpcbind
root     rpcbind    2696  4  udp6   *:*                   *:*
root     rpcbind    2696  5  stream /var/run/rpcbind.sock
root     rpcbind    2696  6  udp6   ::1:111               *:*
root     rpcbind    2696  7  udp6   *:*                   *:*
root     rpcbind    2696  8  udp6   *:617                 *:*
root     rpcbind    2696  9  tcp6   ::1:111               *:*
root     rpcbind    2696  10 tcp6   *:*                   *:*
root     rpcbind    2696  11 udp4   127.0.0.1:111         *:*
root     rpcbind    2696  12 udp4   192.168.0.3:111       *:*
root     rpcbind    2696  13 udp4   *:944                 *:*
root     rpcbind    2696  14 tcp4   127.0.0.1:111         *:*
root     rpcbind    2696  15 tcp4   192.168.0.3:111       *:*
overnight# killall rpcbind
overnight# rpcbind -h 192.168.0.3
overnight# sockstat | grep rpcbind
root     rpcbind    2701  4  udp6   *:*                   *:*
root     rpcbind    2701  5  stream /var/run/rpcbind.sock
root     rpcbind    2701  6  udp6   ::1:111               *:*
root     rpcbind    2701  7  udp6   *:*                   *:*
root     rpcbind    2701  8  udp6   *:943                 *:*
root     rpcbind    2701  9  tcp6   ::1:111               *:*
root     rpcbind    2701  10 tcp6   *:*                   *:*
root     rpcbind    2701  11 udp4   127.0.0.1:111         *:*
root     rpcbind    2701  12 udp4   192.168.0.3:111       *:*
root     rpcbind    2701  13 udp4   *:804                 *:*
root     rpcbind    2701  14 tcp4   127.0.0.1:111         *:*
root     rpcbind    2701  15 tcp4   192.168.0.3:111       *:*

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: