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This currently server supports only host and hostgroup commands for retrieving, adding and deleting entries. The incoming requests are completely unauthenticated and by default requests must be local. Utilize GSS-Proxy to manage the TGT. Configuration information is in the ipa-smartproxy man page. Design: http://www.freeipa.org/page/V3/Smart_Proxy https://fedorahosted.org/freeipa/ticket/4128 Reviewed-By: Petr Viktorin <pviktori@redhat.com>
106 lines
4.8 KiB
Groff
106 lines
4.8 KiB
Groff
.\" A man page for ipa-smartproxy
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.\" Copyright (C) 2014 Red Hat, Inc.
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.\"
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.\" This program is free software; you can redistribute it and/or modify
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.\" it under the terms of the GNU General Public License as published by
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.\" the Free Software Foundation, either version 3 of the License, or
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.\" (at your option) any later version.
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.\"
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.\" This program is distributed in the hope that it will be useful, but
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.\" WITHOUT ANY WARRANTY; without even the implied warranty of
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.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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.\" General Public License for more details.
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.\"
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.\" You should have received a copy of the GNU General Public License
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.\" along with this program. If not, see <http://www.gnu.org/licenses/>.
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.\"
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.\" Author: Rob Crittenden <rcritten@redhat.com>
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.TH "ipa-smartproxy" "1" "Jan 8 2014" "FreeIPA" "FreeIPA Manual Pages"
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.SH "NAME"
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ipa\-smartproxy \- IPA Foreman Smartproxy server
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.SH "SYNOPSIS"
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ipa\-smartproxy [\fIOPTION\fR]...
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.SH "DESCRIPTION"
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A WSGI service that provides a RESTful API for a use as a Foreman smart proxy. It is run in the context of the Apache web server.
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The RESTful interface is not authenticated so it is expected that the server is not generally accessible. By default it listens only on the localhost interface.
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The server needs access to an principal that is granted permission to perform host and hostgroup operations on an IPA master.
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Smartproxy server\-specific privileges and roles can be created with this:
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.na
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$ ipa privilege\-add 'Smart Proxy Host Management' \-\-desc='Smartproxy host management'
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$ ipa privilege\-add\-permission 'Smart Proxy Host Management' \-\-permission='add hosts' \-\-permission='remove hosts'
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$ ipa permission-add 'modify host password' --permissions='write' --type='host' --attrs='userpassword'
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$ ipa permission-add 'write host certificate' --permissions='write' --type='host' --attrs='usercertificate'
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$ ipa permission-add 'modify host userclass' --permissions='write' --type='host' --attrs='userclass'
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$ ipa privilege-add-permission 'Smart Proxy Host Management' --permission='add hosts' --permission='remove hosts' --permission='modify host password' --permission='modify host userclass' --permission='modify hosts' --permission='revoke certificate' --permission='manage host keytab' --permission='write host certificate' --permissions='retrieve certificates from the ca' --permissions='modify services' --permissions='manage service keytab' --permission='read dns entries' --permission='add dns entries' --permissions='update dns entries' --permissions='remove dns entries'
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$ ipa role\-add 'Smartproxy management' \-\-desc='Smartproxy management'
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$ ipa role\-add\-privilege 'Smartproxy management' \-\-privilege='Smart Proxy Host Management' \-\-privilege='Host Group Administrators'
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Create a host or user whose credentials will be used by the server to make requests and add it to the role:
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$ ipa user\-add smartproxy \-\-first=Smartproxy \-\-last=Server --shell=/sbin/nologin --homedir=/var/www
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$ ipa role\-add\-member \-\-users=smartproxy 'Smartproxy management'
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On the smartproxy server create a keytab for this user:
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# kinit admin
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# ipa\-getkeytab \-s ipa.example.com \-p smartproxy@EXAMPLE.COM \-k /etc/ipa/ipa\-smartproxy.keytab
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# chown root:root /etc/ipa/ipa\-smartproxy.keytab
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# chmod 600 /etc/ipa/ipa\-smartproxy.keytab
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Configure the GSS\-Proxy to manage the credentials. Add this to the top of the gssproxy configuration file (by default /etc/gssproxy/gssproxy.conf), before any other services:
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[service/smartproxy]
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mechs = krb5
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cred_store = client_keytab:/etc/ipa/ipa\-smartproxy.keytab
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cred_store = ccache:/var/lib/gssproxy/clients/krb5cc_%U
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cred_usage = initiate
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euid = <uid of the smartproxy user>
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Restart GSS\-Proxy
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# systemctl restart gssproxy
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Configure Apache to enable GSS\-Proxy. Create the directory /etc/systemd/system/httpd.service.d/ and create the file smartproxy.conf in it:
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# mkdir /etc/systemd/system/httpd.service.d/
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# cat > /etc/systemd/system/httpd.service.d/smartproxy.conf <<EOF
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[Service]
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Environment=GSS_USE_PROXY=1
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EOF
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# systemctl daemon-reload
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Copy /usr/share/doc/freeipa-server-foreman-smartproxy/ipa-smartproxy-apache.conf to /etc/httpd/conf.d/ipa-smartproxy.conf . This will configure the smartproxy WSGI application.
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Add a SELinux rule so Apache can use the port
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# semanage port -a -t http_port_t -p tcp 8090
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Restart Apache
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# systemctl restart httpd
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.SH "TEST"
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To do simple verification that the proxy was installed properly and is working first confirm that it is providing the realm feature:
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# curl http://localhost:8090/features
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["realm"]
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Retrieve information on the current host, using your Kerberos realm in place of EXAMPLE.COM:
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# curl http://localhost:8090/realm/EXAMPLE.COM/`hostname`
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{
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"dn": "fqdn=..."
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"fqdn": [
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...
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]
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"has_keytab": true,
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...
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}
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.SH "SEE ALSO"
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.BR ipa\-smartproxy.conf(5)
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