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Diffstat (limited to 'ipa-server/ipaserver/installutils.py')
| -rw-r--r-- | ipa-server/ipaserver/installutils.py | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/ipa-server/ipaserver/installutils.py b/ipa-server/ipaserver/installutils.py deleted file mode 100644 index 563b168e..00000000 --- a/ipa-server/ipaserver/installutils.py +++ /dev/null @@ -1,248 +0,0 @@ -# Authors: Simo Sorce <ssorce@redhat.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 -# - -import logging -import socket -import errno -import getpass -import os -import re -import fileinput -import sys -import time -import struct -import fcntl - -from ipa import ipautil -from ipa import dnsclient - -def get_fqdn(): - fqdn = "" - try: - fqdn = socket.getfqdn() - except: - try: - fqdn = socket.gethostname() - except: - fqdn = "" - return fqdn - -def verify_fqdn(host_name,no_host_dns=False): - - if len(host_name.split(".")) < 2 or host_name == "localhost.localdomain": - raise RuntimeError("Invalid hostname: " + host_name) - - try: - hostaddr = socket.getaddrinfo(host_name, None) - except: - raise RuntimeError("Unable to resolve host name, check /etc/hosts or DNS name resolution") - - if len(hostaddr) == 0: - raise RuntimeError("Unable to resolve host name, check /etc/hosts or DNS name resolution") - - for a in hostaddr: - if a[4][0] == '127.0.0.1' or a[4][0] == '::1': - raise RuntimeError("The IPA Server hostname cannot resolve to localhost (%s). A routable IP address must be used. Check /etc/hosts to see if %s is an alias for %s" % (a[4][0], host_name, a[4][0])) - try: - revname = socket.gethostbyaddr(a[4][0])[0] - except: - raise RuntimeError("Unable to resolve the reverse ip address, check /etc/hosts or DNS name resolution") - if revname != host_name: - raise RuntimeError("The host name %s does not match the reverse lookup %s" % (host_name, revname)) - - if no_host_dns: - print "Warning: skipping DNS resolution of host", host_name - return - - # Verify this is NOT a CNAME - rs = dnsclient.query(host_name+".", dnsclient.DNS_C_IN, dnsclient.DNS_T_CNAME) - if len(rs) != 0: - for rsn in rs: - if rsn.dns_type == dnsclient.DNS_T_CNAME: - raise RuntimeError("The IPA Server Hostname cannot be a CNAME, only A names are allowed.") - - # Verify that it is a DNS A record - rs = dnsclient.query(host_name+".", dnsclient.DNS_C_IN, dnsclient.DNS_T_A) - if len(rs) == 0: - print "Warning: Hostname (%s) not found in DNS" % host_name - return - - rec = None - for rsn in rs: - if rsn.dns_type == dnsclient.DNS_T_A: - rec = rsn - break - - if rec == None: - print "Warning: Hostname (%s) not found in DNS" % host_name - return - - # Compare the forward and reverse - forward = rec.dns_name - - addr = socket.inet_ntoa(struct.pack('<L',rec.rdata.address)) - ipaddr = socket.inet_ntoa(struct.pack('!L',rec.rdata.address)) - - addr = addr + ".in-addr.arpa." - rs = dnsclient.query(addr, dnsclient.DNS_C_IN, dnsclient.DNS_T_PTR) - if len(rs) == 0: - raise RuntimeError("Cannot find Reverse Address for %s (%s)" % (host_name, addr)) - - rev = None - for rsn in rs: - if rsn.dns_type == dnsclient.DNS_T_PTR: - rev = rsn - break - - if rev == None: - raise RuntimeError("Cannot find Reverse Address for %s (%s)" % (host_name, addr)) - - reverse = rev.rdata.ptrdname - - if forward != reverse: - raise RuntimeError("The DNS forward record %s does not match the reverse address %s" % (forward, reverse)) - -def port_available(port): - """Try to bind to a port on the wildcard host - Return 1 if the port is available - Return 0 if the port is in use - """ - rv = 1 - - try: - s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) - fcntl.fcntl(s, fcntl.F_SETFD, fcntl.FD_CLOEXEC) - s.bind(('', port)) - s.close() - except socket.error, e: - if e[0] == errno.EADDRINUSE: - rv = 0 - - if rv: - try: - s = socket.socket(socket.AF_INET6, socket.SOCK_STREAM) - fcntl.fcntl(s, fcntl.F_SETFD, fcntl.FD_CLOEXEC) - s.bind(('', port)) - s.close() - except socket.error, e: - if e[0] == errno.EADDRINUSE: - rv = 0 - - return rv - -def standard_logging_setup(log_filename, debug=False): - old_umask = os.umask(077) - # Always log everything (i.e., DEBUG) to the log - # file. - logging.basicConfig(level=logging.DEBUG, - format='%(asctime)s %(levelname)s %(message)s', - filename=log_filename, - filemode='w') - os.umask(old_umask) - - console = logging.StreamHandler() - # If the debug option is set, also log debug messages to the console - if debug: - console.setLevel(logging.DEBUG) - else: - # Otherwise, log critical and error messages - console.setLevel(logging.ERROR) - formatter = logging.Formatter('%(name)-12s: %(levelname)-8s %(message)s') - console.setFormatter(formatter) - logging.getLogger('').addHandler(console) - -def get_password(prompt): - if os.isatty(sys.stdin.fileno()): - return getpass.getpass(prompt) - else: - return sys.stdin.readline().rstrip() - -def read_password(user, confirm=True, validate=True): - correct = False - pwd = "" - while not correct: - pwd = get_password(user + " password: ") - if not pwd: - continue - if validate and len(pwd) < 8: - print "Password must be at least 8 characters long" - continue - if not confirm: - correct = True - continue - pwd_confirm = get_password("Password (confirm): ") - if pwd != pwd_confirm: - print "Password mismatch!" - print "" - else: - correct = True - print "" - return pwd - -def update_file(filename, orig, subst): - if os.path.exists(filename): - pattern = "%s" % re.escape(orig) - p = re.compile(pattern) - for line in fileinput.input(filename, inplace=1): - if not p.search(line): - sys.stdout.write(line) - else: - sys.stdout.write(p.sub(subst, line)) - fileinput.close() - return 0 - else: - print "File %s doesn't exist." % filename - return 1 - -def set_directive(filename, directive, value): - """Set a name/value pair directive in a configuration file. - - This has only been tested with nss.conf - """ - fd = open(filename) - file = [] - for line in fd: - if directive in line: - file.append('%s "%s"\n' % (directive, value)) - else: - file.append(line) - fd.close() - - fd = open(filename, "w") - fd.write("".join(file)) - fd.close() - -def kadmin(command): - ipautil.run(["/usr/kerberos/sbin/kadmin.local", "-q", command]) - -def kadmin_addprinc(principal): - kadmin("addprinc -randkey " + principal) - -def kadmin_modprinc(principal, options): - kadmin("modprinc " + options + " " + principal) - -def create_keytab(path, principal): - try: - if ipautil.file_exists(path): - os.remove(path) - except os.error: - logging.critical("Failed to remove %s." % path) - - kadmin("ktadd -k " + path + " " + principal) - 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