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Bug 1493005

Summary:	sudoers lens fails to parse match_group_by_gid option [rhel-7.4.z]
Product:	Red Hat Enterprise Linux 7	Reporter:	Oneata Mircea Teodor <toneata>
Component:	augeas	Assignee:	Pino Toscano <ptoscano>
Status:	CLOSED ERRATA	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	high	Docs Contact:
Priority:	high
Version:	7.4	CC:	cdonnell, cww, jherrman, ltoscano, mryodatak, mtessun, pasik, pgrist, ptoscano, rjones, tenobreg, vmishra, xchen, yoguo
Target Milestone:	rc	Keywords:	Regression, Triaged, ZStream
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	augeas-1.4.0-2.el7_4.2	Doc Type:	Bug Fix
Doc Text:	Prior to this update, Augeas was not able to read the default /etc/sudoers file provided by more recent versions of the sudo utility. The sudoers lens of Augeas has been fixed to parse also the match_group_by_gid option. As a result, Augeas now reads default /etc/sudoers as expected.	Story Points:	---
Clone Of:	1483888	Environment:
Last Closed:	2017-10-19 15:14:28 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1483888
Bug Blocks:	1471135

Description Oneata Mircea Teodor 2017-09-19 07:19:46 UTC

This bug has been copied from bug #1483888 and has been proposed to be backported to 7.4 z-stream (EUS).

Comment 4 Xianghua Chen 2017-09-22 05:49:02 UTC

Verified with the packages:
sudo-1.8.19p2-10.el7.x86_64
augeas-1.4.0-4.el7_4.2.x86_64


Steps:
1. On rhel7.4 host
# augtool -e "print /files/etc/sudoers"
augtool> print /files/etc/sudoers 
/files/etc/sudoers
/files/etc/sudoers/#comment[1] = "# Sudoers allows particular users to run various commands as"
/files/etc/sudoers/#comment[2] = "# the root user, without needing the root password."
/files/etc/sudoers/#comment[3] = "#"
/files/etc/sudoers/#comment[4] = "# Examples are provided at the bottom of the file for collections"
/files/etc/sudoers/#comment[5] = "# of related commands, which can then be delegated out to particular"
/files/etc/sudoers/#comment[6] = "# users or groups."
/files/etc/sudoers/#comment[7] = "#"
/files/etc/sudoers/#comment[8] = "# This file must be edited with the 'visudo' command."
/files/etc/sudoers/#comment[9] = "# Host Aliases"
/files/etc/sudoers/#comment[10] = "# Groups of machines. You may prefer to use hostnames (perhaps using"
/files/etc/sudoers/#comment[11] = "# wildcards for entire domains) or IP addresses instead."
/files/etc/sudoers/#comment[12] = "Host_Alias     FILESERVERS = fs1, fs2"
/files/etc/sudoers/#comment[13] = "Host_Alias     MAILSERVERS = smtp, smtp2"
/files/etc/sudoers/#comment[14] = "# User Aliases"
/files/etc/sudoers/#comment[15] = "# These aren't often necessary, as you can use regular groups"
/files/etc/sudoers/#comment[16] = "# (ie, from files, LDAP, NIS, etc) in this file - just use %groupname"
/files/etc/sudoers/#comment[17] = "# rather than USERALIAS"
/files/etc/sudoers/#comment[18] = "User_Alias ADMINS = jsmith, mikem"
/files/etc/sudoers/#comment[19] = "# Command Aliases"
/files/etc/sudoers/#comment[20] = "# These are groups of related commands..."
/files/etc/sudoers/#comment[21] = "# Networking"
/files/etc/sudoers/#comment[22] = "Cmnd_Alias NETWORKING = /sbin/route, /sbin/ifconfig, /bin/ping, /sbin/dhclient, /usr/bin/net, /sbin/iptables, /usr/bin/rfcomm, /usr/bin/wvdial, /sbin/iwconfig, /sbin/mii-tool"
/files/etc/sudoers/#comment[23] = "# Installation and management of software"
/files/etc/sudoers/#comment[24] = "Cmnd_Alias SOFTWARE = /bin/rpm, /usr/bin/up2date, /usr/bin/yum"
/files/etc/sudoers/#comment[25] = "# Services"
/files/etc/sudoers/#comment[26] = "Cmnd_Alias SERVICES = /sbin/service, /sbin/chkconfig, /usr/bin/systemctl start, /usr/bin/systemctl stop, /usr/bin/systemctl reload, /usr/bin/systemctl restart, /usr/bin/systemctl status, /usr/bin/systemctl enable, /usr/bin/systemctl disable"
/files/etc/sudoers/#comment[27] = "# Updating the locate database"
/files/etc/sudoers/#comment[28] = "Cmnd_Alias LOCATE = /usr/bin/updatedb"
/files/etc/sudoers/#comment[29] = "# Storage"
/files/etc/sudoers/#comment[30] = "Cmnd_Alias STORAGE = /sbin/fdisk, /sbin/sfdisk, /sbin/parted, /sbin/partprobe, /bin/mount, /bin/umount"
/files/etc/sudoers/#comment[31] = "# Delegating permissions"
/files/etc/sudoers/#comment[32] = "Cmnd_Alias DELEGATING = /usr/sbin/visudo, /bin/chown, /bin/chmod, /bin/chgrp"
/files/etc/sudoers/#comment[33] = "# Processes"
/files/etc/sudoers/#comment[34] = "Cmnd_Alias PROCESSES = /bin/nice, /bin/kill, /usr/bin/kill, /usr/bin/killall"
/files/etc/sudoers/#comment[35] = "# Drivers"
/files/etc/sudoers/#comment[36] = "Cmnd_Alias DRIVERS = /sbin/modprobe"
/files/etc/sudoers/#comment[37] = "Defaults specification"
/files/etc/sudoers/#comment[38] = "Refuse to run if unable to disable echo on the tty."
/files/etc/sudoers/Defaults[1]
/files/etc/sudoers/Defaults[1]/visiblepw
/files/etc/sudoers/Defaults[1]/visiblepw/negate
/files/etc/sudoers/#comment[39] = "Preserving HOME has security implications since many programs"
/files/etc/sudoers/#comment[40] = "use it when searching for configuration files. Note that HOME"
/files/etc/sudoers/#comment[41] = "is already set when the the env_reset option is enabled, so"
/files/etc/sudoers/#comment[42] = "this option is only effective for configurations where either"
/files/etc/sudoers/#comment[43] = "env_reset is disabled or HOME is present in the env_keep list."
/files/etc/sudoers/Defaults[2]
/files/etc/sudoers/Defaults[2]/always_set_home
/files/etc/sudoers/Defaults[3]
/files/etc/sudoers/Defaults[3]/match_group_by_gid
... ...

----------------------------------------
Sudoers lens can parse match_group_by_gid option normally. Verified it.

Comment 5 Xianghua Chen 2017-09-22 05:56:09 UTC

(In reply to Xianghua Chen from comment #4)
> Verified with the packages:
> sudo-1.8.19p2-10.el7.x86_64
> augeas-1.4.0-4.el7_4.2.x86_64
Typo. The right version is:
augeas-1.4.0-2.el7_4.2.x86_64
> 
> 
> Steps:
> 1. On rhel7.4 host
> # augtool -e "print /files/etc/sudoers"
> augtool> print /files/etc/sudoers 
> /files/etc/sudoers
> /files/etc/sudoers/#comment[1] = "# Sudoers allows particular users to run
> various commands as"
> /files/etc/sudoers/#comment[2] = "# the root user, without needing the root
> password."
> /files/etc/sudoers/#comment[3] = "#"
> /files/etc/sudoers/#comment[4] = "# Examples are provided at the bottom of
> the file for collections"
> /files/etc/sudoers/#comment[5] = "# of related commands, which can then be
> delegated out to particular"
> /files/etc/sudoers/#comment[6] = "# users or groups."
> /files/etc/sudoers/#comment[7] = "#"
> /files/etc/sudoers/#comment[8] = "# This file must be edited with the
> 'visudo' command."
> /files/etc/sudoers/#comment[9] = "# Host Aliases"
> /files/etc/sudoers/#comment[10] = "# Groups of machines. You may prefer to
> use hostnames (perhaps using"
> /files/etc/sudoers/#comment[11] = "# wildcards for entire domains) or IP
> addresses instead."
> /files/etc/sudoers/#comment[12] = "Host_Alias     FILESERVERS = fs1, fs2"
> /files/etc/sudoers/#comment[13] = "Host_Alias     MAILSERVERS = smtp, smtp2"
> /files/etc/sudoers/#comment[14] = "# User Aliases"
> /files/etc/sudoers/#comment[15] = "# These aren't often necessary, as you
> can use regular groups"
> /files/etc/sudoers/#comment[16] = "# (ie, from files, LDAP, NIS, etc) in
> this file - just use %groupname"
> /files/etc/sudoers/#comment[17] = "# rather than USERALIAS"
> /files/etc/sudoers/#comment[18] = "User_Alias ADMINS = jsmith, mikem"
> /files/etc/sudoers/#comment[19] = "# Command Aliases"
> /files/etc/sudoers/#comment[20] = "# These are groups of related commands..."
> /files/etc/sudoers/#comment[21] = "# Networking"
> /files/etc/sudoers/#comment[22] = "Cmnd_Alias NETWORKING = /sbin/route,
> /sbin/ifconfig, /bin/ping, /sbin/dhclient, /usr/bin/net, /sbin/iptables,
> /usr/bin/rfcomm, /usr/bin/wvdial, /sbin/iwconfig, /sbin/mii-tool"
> /files/etc/sudoers/#comment[23] = "# Installation and management of software"
> /files/etc/sudoers/#comment[24] = "Cmnd_Alias SOFTWARE = /bin/rpm,
> /usr/bin/up2date, /usr/bin/yum"
> /files/etc/sudoers/#comment[25] = "# Services"
> /files/etc/sudoers/#comment[26] = "Cmnd_Alias SERVICES = /sbin/service,
> /sbin/chkconfig, /usr/bin/systemctl start, /usr/bin/systemctl stop,
> /usr/bin/systemctl reload, /usr/bin/systemctl restart, /usr/bin/systemctl
> status, /usr/bin/systemctl enable, /usr/bin/systemctl disable"
> /files/etc/sudoers/#comment[27] = "# Updating the locate database"
> /files/etc/sudoers/#comment[28] = "Cmnd_Alias LOCATE = /usr/bin/updatedb"
> /files/etc/sudoers/#comment[29] = "# Storage"
> /files/etc/sudoers/#comment[30] = "Cmnd_Alias STORAGE = /sbin/fdisk,
> /sbin/sfdisk, /sbin/parted, /sbin/partprobe, /bin/mount, /bin/umount"
> /files/etc/sudoers/#comment[31] = "# Delegating permissions"
> /files/etc/sudoers/#comment[32] = "Cmnd_Alias DELEGATING = /usr/sbin/visudo,
> /bin/chown, /bin/chmod, /bin/chgrp"
> /files/etc/sudoers/#comment[33] = "# Processes"
> /files/etc/sudoers/#comment[34] = "Cmnd_Alias PROCESSES = /bin/nice,
> /bin/kill, /usr/bin/kill, /usr/bin/killall"
> /files/etc/sudoers/#comment[35] = "# Drivers"
> /files/etc/sudoers/#comment[36] = "Cmnd_Alias DRIVERS = /sbin/modprobe"
> /files/etc/sudoers/#comment[37] = "Defaults specification"
> /files/etc/sudoers/#comment[38] = "Refuse to run if unable to disable echo
> on the tty."
> /files/etc/sudoers/Defaults[1]
> /files/etc/sudoers/Defaults[1]/visiblepw
> /files/etc/sudoers/Defaults[1]/visiblepw/negate
> /files/etc/sudoers/#comment[39] = "Preserving HOME has security implications
> since many programs"
> /files/etc/sudoers/#comment[40] = "use it when searching for configuration
> files. Note that HOME"
> /files/etc/sudoers/#comment[41] = "is already set when the the env_reset
> option is enabled, so"
> /files/etc/sudoers/#comment[42] = "this option is only effective for
> configurations where either"
> /files/etc/sudoers/#comment[43] = "env_reset is disabled or HOME is present
> in the env_keep list."
> /files/etc/sudoers/Defaults[2]
> /files/etc/sudoers/Defaults[2]/always_set_home
> /files/etc/sudoers/Defaults[3]
> /files/etc/sudoers/Defaults[3]/match_group_by_gid
> ... ...
> 
> ----------------------------------------
> Sudoers lens can parse match_group_by_gid option normally. Verified it.

Comment 7 errata-xmlrpc 2017-10-19 15:14:28 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2017:2939