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authorSimo Sorce <ssorce@redhat.com>2008-02-26 12:34:02 -0500
committerSimo Sorce <ssorce@redhat.com>2008-02-26 12:34:02 -0500
commitc367b917d78f3de357d01fdc409ee7824e24a8d1 (patch)
treecb03069cd561b6550358653a17a8656fee47a334 /contrib
parent66df51c754bad5b170e34a84aa5657dbb8b5f291 (diff)
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Contribute, RHEL4 compatible, simple setup script
Diffstat (limited to 'contrib')
-rw-r--r--contrib/RHEL4/ipa-client-setup343
-rw-r--r--contrib/RHEL4/ipachangeconf.py459
2 files changed, 802 insertions, 0 deletions
diff --git a/contrib/RHEL4/ipa-client-setup b/contrib/RHEL4/ipa-client-setup
new file mode 100644
index 0000000..dfdfc23
--- /dev/null
+++ b/contrib/RHEL4/ipa-client-setup
@@ -0,0 +1,343 @@
+#! /usr/bin/python -E
+# Authors: Simo Sorce <ssorce@redhat.com>
+# Karl MacMillan <kmacmillan@mentalrootkit.com>
+#
+# Copyright (C) 2007 Red Hat
+# see file 'COPYING' for use and warranty information
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; version 2 only
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+
+VERSION = "%prog .1"
+
+import sys
+import os
+import string
+import shutil
+import socket
+import logging
+from optparse import OptionParser
+import ipachangeconf
+import ldap
+from ldap import LDAPError
+
+class ipaserver:
+
+ def __init__(self, server):
+ self.server = server
+ self.realm = None
+ self.domain = None
+ self.basedn = None
+
+ def getServerName(self):
+ return str(self.server)
+
+ def getDomainName(self):
+ return str(self.domain)
+
+ def getRealmName(self):
+ return str(self.realm)
+
+ def getBaseDN(self):
+ return str(self.basedn)
+
+ def check(self):
+
+ lret = []
+ lres = []
+ lattr = ""
+ linfo = ""
+ lrealms = []
+
+ i = 0
+
+ #now verify the server is really an IPA server
+ try:
+ logging.debug("Init ldap with: ldap://"+self.server+":389")
+ lh = ldap.initialize("ldap://"+self.server+":389")
+ lh.simple_bind_s("","")
+
+ logging.debug("Search rootdse")
+ lret = lh.search_s("", ldap.SCOPE_BASE, "(objectClass=*)")
+ for lattr in lret[0][1]:
+ if lattr.lower() == "namingcontexts":
+ self.basedn = lret[0][1][lattr][0]
+
+ logging.debug("Search for (info=*) in "+self.basedn+"(base)")
+ lret = lh.search_s(self.basedn, ldap.SCOPE_BASE, "(info=IPA*)")
+ if not lret:
+ return False
+ logging.debug("Found: "+str(lret))
+
+ for lattr in lret[0][1]:
+ if lattr.lower() == "info":
+ linfo = lret[0][1][lattr][0].lower()
+ break
+
+ if not linfo:
+ return False
+
+ #search and return known realms
+ logging.debug("Search for (objectClass=krbRealmContainer) in "+self.basedn+"(sub)")
+ lret = lh.search_s("cn=kerberos,"+self.basedn, ldap.SCOPE_SUBTREE, "(objectClass=krbRealmContainer)")
+ if not lret:
+ #something very wrong
+ return False
+ logging.debug("Found: "+str(lret))
+
+ for lres in lret:
+ for lattr in lres[1]:
+ if lattr.lower() == "cn":
+ lrealms.append(lres[1][lattr][0])
+
+
+ if len(lrealms) != 1:
+ #which one? we can't attach to a multi-realm server without DNS working
+ return False
+ else:
+ self.realm = lrealms[0]
+ self.domain = lrealms[0].lower()
+ return True
+
+ except LDAPError, err:
+ #no good
+ logging.error("Ldap Error: "+str(err))
+ return False
+
+ntp_conf = """# Permit time synchronization with our time source, but do not
+# permit the source to query or modify the service on this system.
+restrict default kod nomodify notrap nopeer noquery
+restrict -6 default kod nomodify notrap nopeer noquery
+
+# Permit all access over the loopback interface. This could
+# be tightened as well, but to do so would effect some of
+# the administrative functions.
+restrict 127.0.0.1
+restrict -6 ::1
+
+# Hosts on local network are less restricted.
+#restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap
+
+# Use public servers from the pool.ntp.org project.
+# Please consider joining the pool (http://www.pool.ntp.org/join.html).
+server $SERVER
+
+#broadcast 192.168.1.255 key 42 # broadcast server
+#broadcastclient # broadcast client
+#broadcast 224.0.1.1 key 42 # multicast server
+#multicastclient 224.0.1.1 # multicast client
+#manycastserver 239.255.254.254 # manycast server
+#manycastclient 239.255.254.254 key 42 # manycast client
+
+# Undisciplined Local Clock. This is a fake driver intended for backup
+# and when no outside source of synchronized time is available.
+server 127.127.1.0 # local clock
+#fudge 127.127.1.0 stratum 10
+
+# Drift file. Put this in a directory which the daemon can write to.
+# No symbolic links allowed, either, since the daemon updates the file
+# by creating a temporary in the same directory and then rename()'ing
+# it to the file.
+driftfile /var/lib/ntp/drift
+
+# Key file containing the keys and key identifiers used when operating
+# with symmetric key cryptography.
+keys /etc/ntp/keys
+
+# Specify the key identifiers which are trusted.
+#trustedkey 4 8 42
+
+# Specify the key identifier to use with the ntpdc utility.
+#requestkey 8
+
+# Specify the key identifier to use with the ntpq utility.
+#controlkey 8
+"""
+
+def config_ntp(server_fqdn):
+
+ nc = string.replace(ntp_conf, "$SERVER", server_fqdn)
+
+ shutil.copy("/etc/ntp.conf", "/etc/ntp.conf.ipabkp")
+
+ fd = open("/etc/ntp.conf", "w")
+ fd.write(nc)
+ fd.close()
+
+ # Set the ntpd to start on boot
+ os.system("/sbin/chkconfig ntpd on")
+
+ # Restart ntpd
+ os.system("/sbin/service ntpd restart")
+
+def parse_options():
+ parser = OptionParser(version=VERSION)
+ parser.add_option("--server", dest="server", help="IPA server")
+ parser.add_option("-d", "--debug", dest="debug", action="store_true",
+ default=False, help="print debugging information")
+ parser.add_option("-U", "--unattended", dest="unattended",
+ action="store_true",
+ help="unattended installation never prompts the user")
+ parser.add_option("-N", "--no-ntp", action="store_false",
+ help="do not configure ntp", default=True, dest="conf_ntp")
+
+ options, args = parser.parse_args()
+ if not options.server:
+ parser.error("error: must provide an IPA server name with --server")
+
+ return options
+
+def ask_for_confirmation(message):
+ yesno = raw_input(message + " [y/N]: ")
+ if not yesno or yesno.lower()[0] != "y":
+ return False
+ print "\n"
+ return True
+
+def logging_setup(options):
+ # Always log everything (i.e., DEBUG) to the log
+ # file.
+ logger = logging.getLogger('ipa-client-setup')
+ fh = logging.FileHandler('ipaclient-install.log')
+ formatter = logging.Formatter('%(name)-12s: %(levelname)-8s %(message)s')
+ fh.setFormatter(formatter)
+ logger.addHandler(fh)
+
+ # If the debug option is set, also log debug messages to the console
+ if options.debug:
+ logger.setLevel(logging.DEBUG)
+ else:
+ # Otherwise, log critical and error messages
+ logger.setLevel(logging.ERROR)
+
+ return logger
+
+def main():
+ options = parse_options()
+ logger = logging_setup(options)
+ dnsok = True
+
+ ipasrv = ipaserver(options.server)
+
+ ret = ipasrv.check()
+ if ret == False:
+ print "Failed to verify that ["+options.server+"] is an IPA Server, aborting!"
+ return -1
+
+ print "IPA Server verified."
+ print "Realm: "+ipasrv.getRealmName()
+ print "DNS Domain: "+ipasrv.getDomainName()
+ print "IPA Server: "+ipasrv.getServerName()
+ print "BaseDN: "+ipasrv.getBaseDN()
+
+ print "\n"
+ if not options.unattended and not ask_for_confirmation("Continue to configure the system with these values?"):
+ return 1
+
+ # Configure ipa.conf
+ ipaconf = ipaclient.ipachangeconf.IPAChangeConf("IPA Installer")
+ ipaconf.setOptionAssignment(" = ")
+ ipaconf.setSectionNameDelimiters(("[","]"))
+
+ opts = [{'name':'comment', 'type':'comment', 'value':'File modified by ipa-client-install'},
+ {'name':'empty', 'type':'empty'}]
+
+ #[defaults]
+ defopts = [{'name':'server', 'type':'option', 'value':ipasrv.getServerName()},
+ {'name':'realm', 'type':'option', 'value':ipasrv.getRealmName()}]
+
+ opts.append({'name':'defaults', 'type':'section', 'value':defopts})
+ opts.append({'name':'empty', 'type':'empty'})
+
+ ipaconf.newConf("/etc/ipa/ipa.conf", opts)
+
+ # Configure ldap.conf
+ ldapconf = ipaclient.ipachangeconf.IPAChangeConf("IPA Installer")
+ ldapconf.setOptionAssignment(" ")
+
+ opts = [{'name':'comment', 'type':'comment', 'value':'File modified by ipa-client-install'},
+ {'name':'empty', 'type':'empty'},
+ {'name':'nss_base_passwd', 'type':'option', 'value':ipasrv.getBaseDN()+'?sub'},
+ {'name':'nss_base_group', 'type':'option', 'value':ipasrv.getBaseDN()+'?sub'},
+ {'name':'nss_map_attribute', 'type':'option', 'value':'uniqueMember member'},
+ {'name':'base', 'type':'option', 'value':ipasrv.getBaseDN()},
+ {'name':'ldap_version', 'type':'option', 'value':'3'},
+ {'name':'uri', 'type':'option', 'value':'ldap://'+ipasrv.getServerName()},
+ {'name':'empty', 'type':'empty'}]
+ try:
+ ldapconf.newConf("/etc/ldap.conf", opts)
+ except Exception, e:
+ print "Configuration failed: " + str(e)
+ return 1
+
+ if not "" == ipasrv.getRealmName():
+ #Configure krb5.conf
+ krbconf = ipaclient.ipachangeconf.IPAChangeConf("IPA Installer")
+ krbconf.setOptionAssignment(" = ")
+ krbconf.setSectionNameDelimiters(("[","]"))
+ krbconf.setSubSectionDelimiters(("{","}"))
+ krbconf.setIndent((""," "," "))
+
+ opts = [{'name':'comment', 'type':'comment', 'value':'File modified by ipa-client-install'},
+ {'name':'empty', 'type':'empty'}]
+
+ #[libdefaults]
+ libopts = [{'name':'default_realm', 'type':'option', 'value':ipasrv.getRealmName()}]
+ libopts.append({'name':'dns_lookup_realm', 'type':'option', 'value':'false'})
+ libopts.append({'name':'dns_lookup_kdc', 'type':'option', 'value':'false'})
+ libopts.append({'name':'ticket_lifetime', 'type':'option', 'value':'24h'})
+ libopts.append({'name':'forwardable', 'type':'option', 'value':'yes'})
+
+ opts.append({'name':'libdefaults', 'type':'section', 'value':libopts})
+ opts.append({'name':'empty', 'type':'empty'})
+
+ #[realms]
+ kropts =[{'name':'kdc', 'type':'option', 'value':ipasrv.getServerName()+':88'},
+ {'name':'admin_server', 'type':'option', 'value':ipasrv.getServerName()+':749'},
+ {'name':'default_domain', 'type':'option', 'value':ipasrv.getDomainName()}]
+ ropts = [{'name':ipasrv.getRealmName(), 'type':'subsection', 'value':kropts}]
+ opts.append({'name':'realms', 'type':'section', 'value':ropts})
+ opts.append({'name':'empty', 'type':'empty'})
+
+ #[domain_realm]
+ dropts = [{'name':'.'+ipasrv.getDomainName(), 'type':'option', 'value':ipasrv.getRealmName()},
+ {'name':ipasrv.getDomainName(), 'type':'option', 'value':ipasrv.getRealmName()}]
+ opts.append({'name':'domain_realm', 'type':'section', 'value':dropts})
+ opts.append({'name':'empty', 'type':'empty'})
+
+ #[appdefaults]
+ pamopts = [{'name':'debug', 'type':'option', 'value':'false'},
+ {'name':'ticket_lifetime', 'type':'option', 'value':'36000'},
+ {'name':'renew_lifetime', 'type':'option', 'value':'36000'},
+ {'name':'forwardable', 'type':'option', 'value':'true'},
+ {'name':'krb4_convert', 'type':'option', 'value':'false'}]
+ appopts = [{'name':'pam', 'type':'subsection', 'value':pamopts}]
+ opts.append({'name':'appdefaults', 'type':'section', 'value':appopts})
+
+ krbconf.newConf("/etc/krb5.conf", opts);
+
+ #Modify nsswitch to add nss_ldap
+ os.system("/usr/sbin/authconfig --enableldap --kickstart")
+
+ #Modify pam to add pam_krb5
+ os.system("/usr/sbin/authconfig --enablekrb5 --kickstart")
+
+ if options.conf_ntp:
+ config_ntp(ipasrv.getServerName())
+
+ print "Client configuration complete."
+
+ return 0
+
+sys.exit(main())
diff --git a/contrib/RHEL4/ipachangeconf.py b/contrib/RHEL4/ipachangeconf.py
new file mode 100644
index 0000000..34c08d1
--- /dev/null
+++ b/contrib/RHEL4/ipachangeconf.py
@@ -0,0 +1,459 @@
+#
+# ipachangeconf - configuration file manipulation classes and functions
+# partially based on authconfig code
+# Copyright (c) 1999-2007 Red Hat, Inc.
+# Author: Simo Sorce <ssorce@redhat.com>
+#
+# This is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 only
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+
+import fcntl
+import os
+import string
+import time
+import shutil
+
+def openLocked(filename, perms):
+ fd = -1
+ try:
+ fd = os.open(filename, os.O_RDWR | os.O_CREAT, perms)
+
+ fcntl.lockf(fd, fcntl.LOCK_EX)
+ except OSError, (errno, strerr):
+ if fd != -1:
+ try:
+ os.close(fd)
+ except OSError:
+ pass
+ raise IOError(errno, strerr)
+ return os.fdopen(fd, "r+")
+
+
+ #TODO: add subsection as a concept
+ # (ex. REALM.NAME = { foo = x bar = y } )
+ #TODO: put section delimiters as separating element of the list
+ # so that we can process multiple sections in one go
+ #TODO: add a comment all but provided options as a section option
+class IPAChangeConf:
+
+ def __init__(self, name):
+ self.progname = name
+ self.indent = ("","","")
+ self.assign = (" = ","=")
+ self.dassign = self.assign[0]
+ self.comment = ("#",)
+ self.dcomment = self.comment[0]
+ self.eol = ("\n",)
+ self.deol = self.eol[0]
+ self.sectnamdel = ("[","]")
+ self.subsectdel = ("{","}")
+
+ def setProgName(self, name):
+ self.progname = name
+
+ def setIndent(self, indent):
+ if type(indent) is tuple:
+ self.indent = indent
+ elif type(indent) is str:
+ self.indent = (indent, )
+ else:
+ raise ValueError, 'Indent must be a list of strings'
+
+ def setOptionAssignment(self, assign):
+ if type(assign) is tuple:
+ self.assign = assign
+ else:
+ self.assign = (assign, )
+ self.dassign = self.assign[0]
+
+ def setCommentPrefix(self, comment):
+ if type(comment) is tuple:
+ self.comment = comment
+ else:
+ self.comment = (comment, )
+ self.dcomment = self.comment[0]
+
+ def setEndLine(self, eol):
+ if type(eol) is tuple:
+ self.eol = eol
+ else:
+ self.eol = (eol, )
+ self.deol = self.eol[0]
+
+ def setSectionNameDelimiters(self, delims):
+ self.sectnamdel = delims
+
+ def setSubSectionDelimiters(self, delims):
+ self.subsectdel = delims
+
+ def matchComment(self, line):
+ for v in self.comment:
+ if line.lstrip().startswith(v):
+ return line.lstrip()[len(v):]
+ return False
+
+ def matchEmpty(self, line):
+ if line.strip() == "":
+ return True
+ return False
+
+ def matchSection(self, line):
+ cl = "".join(line.strip().split()).lower()
+ if len(self.sectnamdel) != 2:
+ return False
+ if not cl.startswith(self.sectnamdel[0]):
+ return False
+ if not cl.endswith(self.sectnamdel[1]):
+ return False
+ return cl[len(self.sectnamdel[0]):-len(self.sectnamdel[1])]
+
+ def matchSubSection(self, line):
+ if self.matchComment(line):
+ return False
+
+ parts = line.split(self.dassign, 1)
+ if len(parts) < 2:
+ return False
+
+ if parts[1].strip() == self.subsectdel[0]:
+ return parts[0].strip()
+
+ return False
+
+ def matchSubSectionEnd(self, line):
+ if self.matchComment(line):
+ return False
+
+ if line.strip() == self.subsectdel[1]:
+ return True
+
+ return False
+
+ def getSectionLine(self, section):
+ if len(self.sectnamdel) != 2:
+ return section
+ return self.sectnamdel[0]+section+self.sectnamdel[1]+self.deol
+
+ def dump(self, options, level=0):
+ output = ""
+ if level >= len(self.indent):
+ level = len(self.indent)-1
+
+ for o in options:
+ if o['type'] == "section":
+ output += self.sectnamdel[0]+o['name']+self.sectnamdel[1]+self.deol
+ output += self.dump(o['value'], level+1)
+ continue
+ if o['type'] == "subsection":
+ output += self.indent[level]+o['name']+self.dassign+self.subsectdel[0]+self.deol
+ output += self.dump(o['value'], level+1)
+ output += self.indent[level]+self.subsectdel[1]+self.deol
+ continue
+ if o['type'] == "option":
+ output += self.indent[level]+o['name']+self.dassign+o['value']+self.deol
+ continue
+ if o['type'] == "comment":
+ output += self.dcomment+o['value']+self.deol
+ continue
+ if o['type'] == "empty":
+ output += self.deol
+ continue
+ raise SyntaxError, 'Unknown type: ['+o['type']+']'
+
+ return output
+
+ def parseLine(self, line):
+
+ if self.matchEmpty(line):
+ return {'name':'empty', 'type':'empty'}
+
+ value = self.matchComment(line)
+ if value:
+ return {'name':'comment', 'type':'comment', 'value':value.rstrip()}
+
+ parts = line.split(self.dassign, 1)
+ if len(parts) < 2:
+ raise SyntaxError, 'Syntax Error: Unknown line format'
+
+ return {'name':parts[0].strip(), 'type':'option', 'value':parts[1].rstrip()}
+
+ def findOpts(self, opts, type, name, exclude_sections=False):
+
+ num = 0
+ for o in opts:
+ if o['type'] == type and o['name'] == name:
+ return (num, o)
+ if exclude_sections and (o['type'] == "section" or o['type'] == "subsection"):
+ return (num, None)
+ num += 1
+ return (num, None)
+
+ def commentOpts(self, inopts, level = 0):
+
+ opts = []
+
+ if level >= len(self.indent):
+ level = len(self.indent)-1
+
+ for o in inopts:
+ if o['type'] == 'section':
+ no = self.commentOpts(o['value'], level+1)
+ val = self.dcomment+self.sectnamdel[0]+o['name']+self.sectnamdel[1]
+ opts.append({'name':'comment', 'type':'comment', 'value':val})
+ for n in no:
+ opts.append(n)
+ continue
+ if o['type'] == 'subsection':
+ no = self.commentOpts(o['value'], level+1)
+ val = self.indent[level]+o['name']+self.dassign+self.subsectdel[0]
+ opts.append({'name':'comment', 'type':'comment', 'value':val})
+ for n in no:
+ opts.append(n)
+ val = self.indent[level]+self.subsectdel[1]
+ opts.append({'name':'comment', 'type':'comment', 'value':val})
+ continue
+ if o['type'] == 'option':
+ val = self.indent[level]+o['name']+self.dassign+o['value']
+ opts.append({'name':'comment', 'type':'comment', 'value':val})
+ continue
+ if o['type'] == 'comment':
+ opts.append(o)
+ continue
+ if o['type'] == 'empty':
+ opts.append({'name':'comment', 'type':'comment', 'value':''})
+ continue
+ raise SyntaxError, 'Unknown type: ['+o['type']+']'
+
+ return opts
+
+ def mergeOld(self, oldopts, newopts):
+
+ opts = []
+
+ for o in oldopts:
+ if o['type'] == "section" or o['type'] == "subsection":
+ (num, no) = self.findOpts(newopts, o['type'], o['name'])
+ if not no:
+ opts.append(o)
+ continue
+ if no['action'] == "set":
+ mo = self.mergeOld(o['value'], no['value'])
+ opts.append({'name':o['name'], 'type':o['type'], 'value':mo})
+ continue
+ if no['action'] == "comment":
+ co = self.commentOpts(o['value'])
+ for c in co:
+ opts.append(c)
+ continue
+ if no['action'] == "remove":
+ continue
+ raise SyntaxError, 'Unknown action: ['+no['action']+']'
+
+ if o['type'] == "comment" or o['type'] == "empty":
+ opts.append(o)
+ continue
+
+ if o['type'] == "option":
+ (num, no) = self.findOpts(newopts, 'option', o['name'], True)
+ if not no:
+ opts.append(o)
+ continue
+ if no['action'] == 'comment' or no['action'] == 'remove':
+ if no['value'] != None and o['value'] != no['value']:
+ opts.append(o)
+ continue
+ if no['action'] == 'comment':
+ opts.append({'name':'comment', 'type':'comment',
+ 'value':self.dcomment+o['name']+self.dassign+o['value']})
+ continue
+ if no['action'] == 'set':
+ opts.append(no)
+ continue
+ raise SyntaxError, 'Unknown action: ['+o['action']+']'
+
+ raise SyntaxError, 'Unknown type: ['+o['type']+']'
+
+ return opts
+
+ def mergeNew(self, opts, newopts):
+
+ cline = 0
+
+ for no in newopts:
+
+ if no['type'] == "section" or no['type'] == "subsection":
+ (num, o) = self.findOpts(opts, no['type'], no['name'])
+ if not o:
+ if no['action'] == 'set':
+ opts.append(no)
+ continue
+ if no['action'] == "set":
+ self.mergeNew(o['value'], no['value'])
+ continue
+ cline = num+1
+ continue
+
+ if no['type'] == "option":
+ (num, o) = self.findOpts(opts, no['type'], no['name'], True)
+ if not o:
+ if no['action'] == 'set':
+ opts.append(no)
+ continue
+ cline = num+1
+ continue
+
+ if no['type'] == "comment" or no['type'] == "empty":
+ opts.insert(cline, no)
+ cline += 1
+ continue
+
+ raise SyntaxError, 'Unknown type: ['+no['type']+']'
+
+
+ def merge(self, oldopts, newopts):
+
+ #Use a two pass strategy
+ #First we create a new opts tree from oldopts removing/commenting
+ # the options as indicated by the contents of newopts
+ #Second we fill in the new opts tree with options as indicated
+ # in the newopts tree (this is becaus eentire (sub)sections may
+ # exist in the newopts that do not exist in oldopts)
+
+ opts = self.mergeOld(oldopts, newopts)
+ self.mergeNew(opts, newopts)
+ return opts
+
+ #TODO: Make parse() recursive?
+ def parse(self, f):
+
+ opts = []
+ sectopts = []
+ section = None
+ subsectopts = []
+ subsection = None
+ curopts = opts
+ fatheropts = opts
+
+ # Read in the old file.
+ for line in f:
+
+ # It's a section start.
+ value = self.matchSection(line)
+ if value:
+ if section is not None:
+ opts.append({'name':section, 'type':'section', 'value':sectopts})
+ sectopts = []
+ curopts = sectopts
+ fatheropts = sectopts
+ section = value
+ continue
+
+ # It's a subsection start.
+ value = self.matchSubSection(line)
+ if value:
+ if subsection is not None:
+ raise SyntaxError, 'nested subsections are not supported yet'
+ subsectopts = []
+ curopts = subsectopts
+ subsection = value
+ continue
+
+ value = self.matchSubSectionEnd(line)
+ if value:
+ if subsection is None:
+ raise SyntaxError, 'Unmatched end subsection terminator found'
+ fatheropts.append({'name':subsection, 'type':'subsection', 'value':subsectopts})
+ subsection = None
+ curopts = fatheropts
+ continue
+
+ # Copy anything else as is.
+ curopts.append(self.parseLine(line))
+
+ #Add last section if any
+ if len(sectopts) is not 0:
+ opts.append({'name':section, 'type':'section', 'value':sectopts})
+
+ return opts
+
+ # Write settings to configuration file
+ # file is a path
+ # options is a set of dictionaries in the form:
+ # [{'name': 'foo', 'value': 'bar', 'action': 'set/comment'}]
+ # section is a section name like 'global'
+ def changeConf(self, file, newopts):
+ autosection = False
+ savedsection = None
+ done = False
+ output = ""
+ f = None
+ try:
+ #Do not catch an unexisting file error, we want to fail in that case
+ shutil.copy2(file, file+".ipabkp")
+
+ f = openLocked(file, 0644)
+
+ oldopts = self.parse(f)
+
+ options = self.merge(oldopts, newopts)
+
+ output = self.dump(options)
+
+ # Write it out and close it.
+ f.seek(0)
+ f.truncate(0)
+ f.write(output)
+ finally:
+ try:
+ if f:
+ f.close()
+ except IOError:
+ pass
+ return True
+
+ # Write settings to new file, backup old
+ # file is a path
+ # options is a set of dictionaries in the form:
+ # [{'name': 'foo', 'value': 'bar', 'action': 'set/comment'}]
+ # section is a section name like 'global'
+ def newConf(self, file, options):
+ autosection = False
+ savedsection = None
+ done = False
+ output = ""
+ f = None
+ try:
+ try:
+ shutil.copy2(file, file+".ipabkp")
+ except IOError, err:
+ if err.errno == 2:
+ # The orign file did not exist
+ pass
+
+ f = openLocked(file, 0644)
+
+ # Trunkate
+ f.seek(0)
+ f.truncate(0)
+
+ output = self.dump(options)
+
+ f.write(output)
+ finally:
+ try:
+ if f:
+ f.close()
+ except IOError:
+ pass
+ return True