Update cert-request to allow specifying CA

Add the '--ca' option to the 'ipa cert-request' command, for
specifying the CA to which to direct the request.

Part of: https://fedorahosted.org/freeipa/ticket/4559

Reviewed-By: Jan Cholasta <jcholast@redhat.com>
Reviewed-By: Martin Babinsky <mbabinsk@redhat.com>

API.txt

@@ -758,9 +758,10 @@ arg: Str('serial_number')
 option: Str('version?')
 output: Output('result')
 command: cert_request
-args: 1,5,1
+args: 1,6,1
 arg: File('csr', cli_name='csr_file')
 option: Flag('add', autofill=True, default=False)
+option: Str('cacn?', cli_name='ca')
 option: Str('principal')
 option: Str('profile_id?')
 option: Str('request_type', autofill=True, default=u'pkcs10')

VERSION

@@ -90,5 +90,5 @@ IPA_DATA_VERSION=20100614120000
 #                                                      #
 ########################################################
 IPA_API_VERSION_MAJOR=2
-IPA_API_VERSION_MINOR=182
-# Last change: ftweedal - update caacl plugin for lightweight CAs
+IPA_API_VERSION_MINOR=183
+# Last change: ftweedal - add --ca option to cert-request

ipaserver/plugins/cert.py

@@ -274,7 +274,13 @@ class cert_request(VirtualCommand):
         Str('profile_id?', validate_profile_id,
             label=_("Profile ID"),
             doc=_("Certificate Profile to use"),
-        )
+        ),
+        Str('cacn?',
+            cli_name='ca',
+            query=True,
+            label=_("CA"),
+            doc=_("CA to use"),
+        ),
     )
 
     has_output_params = (
@@ -321,7 +327,13 @@ class cert_request(VirtualCommand):
         add = kw.get('add')
         request_type = kw.get('request_type')
         profile_id = kw.get('profile_id', self.Backend.ra.DEFAULT_PROFILE)
-        ca = IPA_CA_CN  # hardcoded until --ca option implemented
+
+        # Check that requested authority exists (done before CA ACL
+        # enforcement so that user gets better error message if
+        # referencing nonexistant CA) and look up authority ID.
+        #
+        ca = kw.get('cacn', IPA_CA_CN)
+        ca_id = api.Command.ca_show(ca)['result']['ipacaid'][0]
 
         """
         Access control is partially handled by the ACI titled
@@ -499,7 +511,7 @@ class cert_request(VirtualCommand):
 
         # Request the certificate
         result = self.Backend.ra.request_certificate(
-            csr, profile_id, None, request_type=request_type)
+            csr, profile_id, ca_id, request_type=request_type)
         cert = x509.load_certificate(result['certificate'])
         result['issuer'] = unicode(cert.issuer)
         result['valid_not_before'] = unicode(cert.valid_not_before_str)