Package: ps-watcher
Version: 1.08-2
Severity: important
The ps-watcher documentation states that the option --ps_prog defaults to
/bin/ps however
line 342 of /usr/bin/ps-watcher reads "$opts{ps_prog} = 'no'; # Where is
ps?" which
sets the ps command to "no" if unspecified. Because the value is not validated
this will
always cause the program to fail to read the process table but run actions as
if no process
match was found. Running the program in debug mode produces the following
output.
Can't exec "no": No such file or directory at /usr/bin/ps-watcher line 584 (#1)
(W exec) A system(), exec(), or piped open call could not execute the
named program for the indicated reason. Typical reasons include: the
permissions were wrong on the file, the file wasn't found in
$ENV{PATH}, the executable in question was compiled for another
architecture, or the #! line in a script points to an interpreter that
can't be run for similar reasons. (Or maybe your system doesn't support
#! at all.)
To be consistent with the documentation the maintainer should change the
default from "no" to
"/bin/ps". Alternately the documentation should reflect the need for a required
configuration
directive and the program should fail if it cannot validate the ps command. In
Debian the
program can be made operable by simply adding "--ps-prog /bin/ps" to the
DAEMON_OPTS section
of /etc/default/ps-watcher.
-- System Information:
Debian Release: 6.0.2
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages ps-watcher depends on:
ii libconfig-inifiles-per 2.52-1 Read .ini-style configuration file
ii perl 5.10.1-17squeeze2 Larry Wall's Practical Extraction
Versions of packages ps-watcher recommends:
ii perl [libsys-syslog-pe 5.10.1-17squeeze2 Larry Wall's Practical Extraction
ps-watcher suggests no packages.
-- Configuration Files:
/etc/default/ps-watcher changed [not included]
-- no debconf information
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