2 Copyright 2007-2008, Red Hat, Inc
5 This software may be freely redistributed under the terms of the GNU
6 general public license.
8 You should have received a copy of the GNU General Public License
9 along with this program; if not, write to the Free Software
10 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 from config
import read_config
25 from commonconfig
import MinionConfig
29 # FIXME: module needs better pydoc
32 # FIXME: can remove this constant?
33 REMOTE_ERROR
= "REMOTE_ERROR"
35 # The standard I/O file descriptors are redirected to /dev/null by default.
36 if (hasattr(os
, "devnull")):
37 REDIRECT_TO
= os
.devnull
39 REDIRECT_TO
= "/dev/null"
45 x
= traceback
.extract_stack()
46 bar
= string
.join(traceback
.format_list(x
))
49 def daemonize(pidfile
=None):
51 Daemonize this process with the UNIX double-fork trick.
52 Writes the new PID to the provided file name if not None.
67 # based on http://code.activestate.com/recipes/278731/
68 os
.open(REDIRECT_TO
, os
.O_RDWR
) # standard input (0)
70 os
.dup2(0, 1) # standard output (1)
71 os
.dup2(0, 2) # standard error (2)
76 if pidfile
is not None:
77 open(pidfile
, "w").write(str(pid
))
81 def nice_exception(etype
, evalue
, etb
):
84 lefti
= etype
.index("'") + 1
85 righti
= etype
.rindex("'")
86 nicetype
= etype
[lefti
:righti
]
89 nicestack
= string
.join(traceback
.format_list(traceback
.extract_tb(etb
)))
90 return [ REMOTE_ERROR
, nicetype
, str(evalue
), nicestack
]
93 # FIXME: I believe we can remove this function
94 if type(result
) != list:
98 if result
[0] == REMOTE_ERROR
:
102 def get_hostname(talk_to_certmaster
=True):
104 "localhost" is a lame hostname to use for a key, so try to get
105 a more meaningful hostname. We do this by connecting to the certmaster
106 and seeing what interface/ip it uses to make that connection, and looking
107 up the hostname for that.
109 # FIXME: this code ignores http proxies (which granted, we don't
110 # support elsewhere either.
112 hostname
= socket
.gethostname()
113 # print "DEBUG: HOSTNAME TRY1: %s" % hostname
115 ip
= socket
.gethostbyname(hostname
)
118 if ip
!= "127.0.0.1":
122 # FIXME: move to requestor module and also create a verbose mode
123 # prints to the screen for usage by /usr/bin/certmaster-request
125 def create_minion_keys(hostname
=None, ca
=''):
126 log
= logger
.Logger().logger
128 # FIXME: paths should not be hard coded here, move to settings universally
129 config_file
= '/etc/certmaster/minion.conf'
130 config
= read_config(config_file
, MinionConfig
)
132 cert_dir
= config
.ca
[ca
]['cert_dir']
134 master_uri
= 'http://%s:%s/' % (config
.certmaster
, config
.certmaster_port
)
141 raise codes
.CMException("Could not determine a hostname other than localhost")
143 # use lowercase letters for hostnames
146 key_file
= '%s/%s.pem' % (cert_dir
, hn
)
147 csr_file
= '%s/%s.csr' % (cert_dir
, hn
)
148 cert_file
= '%s/%s.cert' % (cert_dir
, hn
)
149 ca_cert_file
= '%s/ca.cert' % cert_dir
151 if os
.path
.exists(cert_file
) and os
.path
.exists(ca_cert_file
):
152 # print "DEBUG: err, no cert_file"
157 if not os
.path
.exists(cert_dir
):
158 os
.makedirs(cert_dir
)
159 if not os
.path
.exists(key_file
):
160 keypair
= certs
.make_keypair(dest
=key_file
)
161 if not os
.path
.exists(csr_file
):
163 keypair
= certs
.retrieve_key_from_file(key_file
)
164 csr
= certs
.make_csr(keypair
, dest
=csr_file
, hostname
=hn
)
166 traceback
.print_exc()
167 raise codes
.CMException
, "Could not create local keypair or csr for session"
173 # print "DEBUG: submitting CSR to certmaster: %s" % master_uri
174 log
.debug("submitting CSR: %s to certmaster %s" % (csr_file
, master_uri
))
175 result
, cert_string
, ca_cert_string
= submit_csr_to_master(csr_file
, master_uri
, ca
)
176 except socket
.error
, e
:
177 log
.warning("Could not locate certmaster at %s" % master_uri
)
179 # logging here would be nice
181 # print "DEBUG: no response from certmaster, sleeping 10 seconds"
182 log
.warning("no response from certmaster %s, sleeping 10 seconds" % master_uri
)
187 # print "DEBUG: recieved certificate from certmaster"
188 log
.debug("received certificate from certmaster %s, storing to %s" % (master_uri
, cert_file
))
190 keypair
= certs
.retrieve_key_from_file(key_file
)
191 valid
= certs
.check_cert_key_match(cert_string
, keypair
)
193 log
.info("certificate does not match key (run certmaster-ca --clean first?)")
194 sys
.stderr
.write("certificate does not match key (run certmaster-ca --clean first?)\n")
196 cert_fd
= os
.open(cert_file
, os
.O_RDWR|os
.O_CREAT
, 0644)
197 os
.write(cert_fd
, cert_string
)
200 ca_cert_fd
= os
.open(ca_cert_file
, os
.O_RDWR|os
.O_CREAT
, 0644)
201 os
.write(ca_cert_fd
, ca_cert_string
)
204 def run_triggers(ref
, globber
):
206 Runs all the trigger scripts in a given directory.
207 ref can be a certmaster object, if not None, the name will be passed
208 to the script. If ref is None, the script will be called with
209 no argumenets. Globber is a wildcard expression indicating which
210 triggers to run. Example: "/var/lib/certmaster/triggers/blah/*"
213 log
= logger
.Logger().logger
214 triggers
= glob
.glob(globber
)
216 for file in triggers
:
217 log
.debug("Executing trigger: %s" % file)
219 if file.find(".rpm") != -1:
220 # skip .rpmnew files that may have been installed
221 # in the triggers directory
224 rc
= sub_process
.call([file, ref
], shell
=False)
226 rc
= sub_process
.call([file], shell
=False)
228 log
.warning("Warning: failed to execute trigger: %s" % file)
232 raise codes
.CMException
, "certmaster trigger failed: %(file)s returns %(code)d" % { "file" : file, "code" : rc
}
235 def submit_csr_to_master(csr_file
, master_uri
, ca
=''):
237 gets us our cert back from the certmaster.wait_for_cert() method
238 takes csr_file as path location and master_uri
239 returns Bool, str(cert), str(ca_cert)
244 s
= xmlrpclib
.ServerProxy(master_uri
)
246 # print "DEBUG: waiting for cert"
247 return s
.wait_for_cert(csr
,ca
)