Forum: Cfengine Help
Subject: Re: segfault using edit_line with 3.1.0b2
Author: babudro
Link to topic: https://cfengine.com/forum/read.php?3,18764,18777#msg-18777
Today's observations: If I comment-out the second promise, the one regarding
/etc/default/useradd, the segfault goes away on the 64-bit boxes, but not the
32-bit one.
On the 32-bit box I whittled the rules down to this skeletal set:
promises.cf
body common control {
bundlesequence => { "definitions", "auth_defaults" };
inputs => { "auth.cf" };
}
body server control {
allowconnects => { @(cfengine_hosts) };
allowallconnects => { @(cfengine_hosts) };
cfruncommand => "$(sys.workdir)/bin/cf-agent";
allowusers => { "root" };
}
bundle common definitions {
vars:
"cfengine_hosts" slist => { "127.0.0.1", ":::1", "10.0.0.0/8" };
}
bundle server access_rules() {
access:
"/var/cfengine/masterfiles"
admit => { @(cfengine_hosts) };
"/var/cfengine/bin/cf-agent"
admit => { @(cfengine_hosts) };
}
body edit_field col(split,col,newval,method) {
field_separator => "$(split)";
select_field => "$(col)";
value_separator => ",";
field_value => "$(newval)";
field_operation => "$(method)";
extend_fields => "true";
allow_blank_fields => "true";
}
auth.cf
bundle agent auth_defaults {
files:
"/etc/login.defs"
comment => "Maintain password policy settings",
create => "false",
edit_defaults => etc_files,
edit_line => login_defaults("90");
}
bundle edit_line login_defaults(maxday) {
field_edits:
"^(PASS_MAX_DAYS\t)([0-9]+)$"
edit_field => col("\t","2","$(maxday)","set"),
comment => "Reset PASS_MAX_DAYS log-in value according to policy,
if necessary.";
}
body edit_defaults etc_files {
empty_file_before_editing => "false"; #|We will just verify &
re-write single lines
edit_backup => "true"; #|Keep a back-up if it changes
max_file_size => "64k"; #|Most config files are under
64k
}
I put these two into a fresh directory with nothing but these two files, run
*cf-promises -f ./promises.cf* and see no errors; run *cf-agent -IKf
./promises.cf" and it bombs as always.
If I run my promise that edits /etc/resolv.conf it works fine, so it's not all
edit_line operations nor all files in /etc/ that are the problem.
Is anyone else able to reproduce this or provide any other diagnostic ideas?
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