>Number: 176697
>Category: bin
>Synopsis: incorrect fetch(1) exit codes with -s option versus ftp proxy
>use
>Confidential: no
>Severity: serious
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Mar 06 19:20:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: Matthias Andree
>Release: FreeBSD 9.1-RELEASE amd64
>Organization:
>Environment:
System: FreeBSD apollo.emma.line.org 9.1-RELEASE FreeBSD 9.1-RELEASE #2
r244869: Sun Dec 30 22:05:16 CET 2012
t...@apollo.emma.line.org:/usr/obj/usr/src/sys/GENERIC amd64
>Description:
fetch -s exit codes are not consistent across proxy vs. non-proxy
setups when checking for a non-existent file on an ftp server, with
fetch -svv ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/8.3-RELEASE/base.txz
With Squid as proxy, we get exit code 1 (correct) and an error message.
Without proxy, we get "Unknown" as result, and an exit code of 0 (bogus).
Since fetch failed to obtain the requested file size, it must not use
EXIT_SUCCESS (0), but must report the error.
Expected behaviour: fetch should, when it is unable to obtain the file size,
always exit with code 1 after printing an error message.
Log, first the correct case with proxy:
$ fetch -svv
ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/8.3-RELEASE/base.txz ; echo $?
scheme: [ftp]
user: []
password: []
host: [ftp.freebsd.org]
port: [0]
document: [/pub/FreeBSD/releases/amd64/8.3-RELEASE/base.txz]
scheme: [http]
user: []
password: []
host: [proxy]
port: [8080]
document: [/]
---> proxy:8080
looking up proxy
connecting to proxy:8080
requesting ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/8.3-RELEASE/base.txz
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
>>> HEAD ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/8.3-RELEASE/base.txz
>>> HTTP/1.1
>>> Host: ftp.freebsd.org
>>> User-Agent: fetch libfetch/2.0
>>> Connection: close
>>>
<<< HTTP/1.1 404 Not Found
<<< Server: squid/3.2.7
<<< Mime-Version: 1.0
<<< Date: Wed, 06 Mar 2013 18:33:46 GMT
<<< Content-Type: text/html
<<< Content-Length: 3807
<<< X-Squid-Error: ERR_FTP_NOT_FOUND 0
content length: [3807]
<<< Vary: Accept-Language
<<< Content-Language: en
<<< X-Cache: MISS from proxy.madpilot.net
<<< Via: 1.1 proxy.madpilot.net (squid/3.2.7)
<<< Connection: close
<<<
offset 0, length -1, size -1, clength 3807
fetch: Not Found
1
Now the faulty one, without proxy:
$ /usr/bin/fetch -svvv
ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/8.3-RELEASE/base.txz ; echo $?
scheme: [ftp]
user: []
password: []
host: [ftp.freebsd.org]
port: [0]
document: [/pub/FreeBSD/releases/amd64/8.3-RELEASE/base.txz]
---> ftp.freebsd.org:21
looking up ftp.freebsd.org
connecting to ftp.freebsd.org:21
<<< 220 beastie.tdk.net FTP server (Version 6.00LS) ready.
>>> USER anonymous
<<< 331 Guest login ok, send your email address as password.
>>> PASS mand...@apollo.emma.line.org
<<< 230 Guest login ok, access restrictions apply.
>>> PWD
<<< 257 "/" is current directory.
>>> CWD pub/FreeBSD/releases/amd64/8.3-RELEASE
<<< 250 CWD command successful.
>>> MODE S
<<< 200 MODE S accepted.
>>> TYPE I
<<< 200 Type set to I.
>>> SIZE base.txz
<<< 550 base.txz: No such file or directory.
>>> QUIT
<<< 221 Goodbye.
Unknown
0
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