bin/74972: pppctl lose connection with ppp while using local domain socket

[You SUZUKI]

>Number:         74972
>Category:       bin
>Synopsis:       pppctl lose connection with ppp while using local domain socket
>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:   Sun Dec 12 09:10:21 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     You SUZUKI
>Release:        FreeBSD5.3R
>Organization:
>Environment:
FreeBSD hato.bird.akamoz.jp 5.3-RELEASE FreeBSD 5.3-RELEASE #0: Fri Nov  5 04:19:18 UTC 2004     root at harlow.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386

>Description:
When controlling ppp with pppctl using local (Unix domain) socket,
pppctl complains "Connection closed" and return to the shell
in the middle of the command execution.
FreeBSD4.9R-pl9 seems to work well.
FreeBSD5.3R with TCP soekct seems to work well.
>How-To-Repeat:
1. Install FreeBSD5.3R with "user" distribution.
2. Log in the system (as root) and rename /etc/ppp/ppp.conf to another name.
3. Create /etc/ppp/ppp.conf with following contents.
default:
  set server /var/run/ppp/pppctltest "" 0177
4. Invoke ppp, and leave as it is.
5. Log in the system (as root) from the other tty.
6. Execute: "pppctl /var/run/ppp/pppctltest"
7. Enter "?" (help) into pppctl prompt.
--> pppctl says "Connection closed" and return to shell prompt.

>Fix:

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