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[Pki-devel] [PATCH] 278 - handle external certs



This is to resolve ticket 1742.

For this ticket, we need a mechanism to import third party certs to
clones.  This patch provides a general mechanism to do this.

A follow-on patch with documentation on how this all works is
forthcoming.

Ade
From ae19db5c895e1c70e98de0ff7b825c8801c98e1f Mon Sep 17 00:00:00 2001
From: Ade Lee <alee redhat com>
Date: Sat, 27 Feb 2016 02:32:14 -0500
Subject: [PATCH] Handle import and export of external certs

Ticket 1742 has a case where a third party CA certificate has
been added by IPA to the dogtag certdb for the proxy cert.
There is no way to ensure that this certificate is imported
when the system is cloned.

This patch will allow the user to import third party certificates
into a dogtag instance through CLI commands (pki-server).
The certs are tracked by a new instance level configuration file
external_certs.conf.

Then, when cloning:

1.  When the pk12 file is created by the pki-server ca-clone-prepare
    command, the external certs are automatically included.
2.  When creating the clone, the new pki_server_pk12_path and
    password must be provided.  Also, a copy of the
    external_certs.conf file must be provided.
3.  This copy will be read and merged with the existing
    external_certs.conf if one exists.
---
 base/common/python/pki/nssdb.py                    |  27 +--
 base/server/python/pki/server/__init__.py          | 106 ++++++++++++
 base/server/python/pki/server/cli/ca.py            |  10 +-
 base/server/python/pki/server/cli/instance.py      | 185 +++++++++++++++++++++
 base/server/python/pki/server/cli/kra.py           |  10 +-
 base/server/python/pki/server/cli/ocsp.py          |   7 +-
 base/server/python/pki/server/cli/tks.py           |   7 +-
 base/server/python/pki/server/cli/tps.py           |   7 +-
 .../server/deployment/scriptlets/configuration.py  |   2 +-
 .../deployment/scriptlets/security_databases.py    |  36 +++-
 10 files changed, 373 insertions(+), 24 deletions(-)

diff --git a/base/common/python/pki/nssdb.py b/base/common/python/pki/nssdb.py
index b2cf9f1cf0ceaa06a5b1df193bd9aef9da0525f7..8d0f96711be3012ec4618dfb51b1d463f675d673 100644
--- a/base/common/python/pki/nssdb.py
+++ b/base/common/python/pki/nssdb.py
@@ -377,7 +377,8 @@ class NSSDatabase(object):
 
         subprocess.check_call(cmd)
 
-    def import_cert_chain(self, nickname, cert_chain_file, trust_attributes=None):
+    def import_cert_chain(self, nickname, cert_chain_file,
+                          trust_attributes=None):
 
         tmpdir = tempfile.mkdtemp()
 
@@ -389,16 +390,18 @@ class NSSDatabase(object):
                     nickname=nickname,
                     cert_file=cert_chain_file,
                     trust_attributes=trust_attributes)
-                return self.get_cert(
-                    nickname=nickname,
-                    output_format='base64')
+                return (
+                    self.get_cert(nickname=nickname, output_format='base64'),
+                    [nickname]
+                )
 
             elif file_type == 'pkcs7':  # import PKCS #7 cert chain
-                return self.import_pkcs7(
+                chain, nicks = self.import_pkcs7(
                     pkcs7_file=cert_chain_file,
                     nickname=nickname,
                     trust_attributes=trust_attributes,
                     output_format='base64')
+                return chain, nicks
 
             else:  # import PKCS #7 data without header/footer
                 with open(cert_chain_file, 'r') as f:
@@ -409,17 +412,18 @@ class NSSDatabase(object):
                 with open(tmp_cert_chain_file, 'w') as f:
                     f.write(pkcs7_data)
 
-                self.import_pkcs7(
+                chain, nicks = self.import_pkcs7(
                     pkcs7_file=tmp_cert_chain_file,
                     nickname=nickname,
                     trust_attributes=trust_attributes)
 
-                return base64_data
+                return base64_data, nicks
 
         finally:
             shutil.rmtree(tmpdir)
 
-    def import_pkcs7(self, pkcs7_file, nickname, trust_attributes=None, output_format='pem'):
+    def import_pkcs7(self, pkcs7_file, nickname, trust_attributes=None,
+                     output_format='pem'):
 
         tmpdir = tempfile.mkdtemp()
 
@@ -435,6 +439,7 @@ class NSSDatabase(object):
             # parse PEM output into separate PEM certificates
             certs = []
             lines = []
+            nicks = []
             state = 'header'
 
             for line in output.splitlines():
@@ -476,6 +481,7 @@ class NSSDatabase(object):
                     n = '%s #%d' % (nickname, counter)
 
                 self.add_cert(n, cert_file, trust_attributes)
+                nicks.append(n)
 
                 counter += 1
 
@@ -483,12 +489,13 @@ class NSSDatabase(object):
             with open(pkcs7_file, 'r') as f:
                 data = f.read()
 
-            return convert_pkcs7(data, 'pem', output_format)
+            return convert_pkcs7(data, 'pem', output_format), nicks
 
         finally:
             shutil.rmtree(tmpdir)
 
-    def import_pkcs12(self, pkcs12_file, pkcs12_password=None, pkcs12_password_file=None):
+    def import_pkcs12(self, pkcs12_file, pkcs12_password=None,
+                      pkcs12_password_file=None):
 
         tmpdir = tempfile.mkdtemp()
 
diff --git a/base/server/python/pki/server/__init__.py b/base/server/python/pki/server/__init__.py
index e308a5033aa8ecdf3f89e66233d5dd3b29a39308..107de78c4e6fede0f0acf91304f98062e01c9431 100644
--- a/base/server/python/pki/server/__init__.py
+++ b/base/server/python/pki/server/__init__.py
@@ -349,6 +349,9 @@ class PKIInstance(object):
 
         self.conf_dir = os.path.join(self.base_dir, 'conf')
         self.password_conf = os.path.join(self.conf_dir, 'password.conf')
+        self.external_certs_conf = os.path.join(
+            self.conf_dir, 'external_certs.conf')
+        self.external_certs = {}
 
         self.nssdb_dir = os.path.join(self.base_dir, 'alias')
         self.lib_dir = os.path.join(self.base_dir, 'lib')
@@ -417,6 +420,8 @@ class PKIInstance(object):
             value = parts[1]
             self.passwords[name] = value
 
+        self.load_external_certs(self.external_certs_conf)
+
         # load subsystems
         for subsystem_name in os.listdir(self.registry_dir):
             if subsystem_name in SUBSYSTEM_TYPES:
@@ -427,6 +432,18 @@ class PKIInstance(object):
                 subsystem.load()
                 self.subsystems.append(subsystem)
 
+    def load_external_certs(self, conf_file):
+        # load external certs data
+        if os.path.exists(conf_file):
+            lines = open(conf_file).read().splitlines()
+            for line in lines:
+                parts = line.split('=', 1)
+                name = parts[0]
+                value = parts[1]
+                self.external_certs[name] = value
+        else:
+            self.external_certs['num_certs'] = 0
+
     def get_password(self, name):
         if name in self.passwords:
             return self.passwords[name]
@@ -442,6 +459,95 @@ class PKIInstance(object):
             token=token,
             password=self.get_password(token))
 
+    def external_cert_exists(self, nickname, token):
+        num_certs = int(self.external_certs['num_certs'])
+        if num_certs > 0:
+            for num in range(0, num_certs):
+                if ((self.external_certs[str(num) + ".nickname"] == nickname)
+                        and (self.external_certs[str(num) + ".token"] == token)):
+                    return True
+        return False
+
+    def add_external_cert(self, nickname, token):
+        num_certs = int(self.external_certs['num_certs'])
+        if self.external_cert_exists(nickname, token):
+            return
+        self.external_certs[str(num_certs) + '.nickname'] = nickname
+        self.external_certs[str(num_certs) + '.token'] = token
+        self.external_certs['num_certs'] = num_certs + 1
+        self.save_external_cert_data()
+
+    def delete_external_cert(self, nickname, token):
+        match_found = False
+        num_certs = int(self.external_certs['num_certs'])
+        if num_certs > 0:
+            for num in range(0, num_certs):
+                current_nick = self.external_certs[str(num) + ".nickname"]
+                current_token = self.external_certs[str(num) + ".token"]
+                if current_nick == nickname and current_token == token:
+                    del self.external_certs[str(num) + ".nickname"]
+                    del self.external_certs[str(num) + ".token"]
+                    match_found = True
+                    continue
+                if match_found:
+                    self.external_certs[str(num - 1) + ".nickname"] = current_nick
+                    self.external_certs[str(num - 1) + ".token"] = current_token
+
+            self.external_certs['num_certs'] = num_certs - 1
+            self.save_external_cert_data()
+
+    def save_external_cert_data(self):
+        sorted_config = sorted(self.external_certs.items(),
+                               key=operator.itemgetter(0))
+        with io.open(self.external_certs_conf, 'wb') as f:
+            for (key, value) in sorted_config:
+                f.write('%s=%s\n' % (key, value))
+
+    def export_external_certs(self, pkcs12_file, pkcs12_password_file,
+                              new_file=False):
+        num_certs = int(self.external_certs['num_certs'])
+        for num in range(0, num_certs):
+            nickname = self.external_certs[str(num) + '.nickname']
+            token = self.external_certs[str(num) + '.token']
+            if token == 'Internal Key Storage Token':
+                token = 'internal'
+            nssdb_password = self.get_password(token)
+
+            tmpdir = tempfile.mkdtemp()
+
+            try:
+                nssdb_password_file = os.path.join(tmpdir, 'password.txt')
+                with open(nssdb_password_file, 'w') as f:
+                    f.write(nssdb_password)
+
+                # add the certificate, key, and chain
+                cmd = [
+                    'pki',
+                    '-d', self.nssdb_dir,
+                    '-C', nssdb_password_file
+                ]
+
+                if token and token != 'internal':
+                    cmd.extend(['--token', token])
+
+                cmd.extend([
+                    'pkcs12-cert-add',
+                    '--pkcs12', pkcs12_file,
+                    '--pkcs12-password-file', pkcs12_password_file,
+                ])
+
+                if new_file:
+                    cmd.extend(['--new-file'])
+
+                cmd.extend([
+                    nickname
+                ])
+
+                subprocess.check_call(cmd)
+
+            finally:
+                shutil.rmtree(tmpdir)
+
     def get_subsystem(self, name):
         for subsystem in self.subsystems:
             if name == subsystem.name:
diff --git a/base/server/python/pki/server/cli/ca.py b/base/server/python/pki/server/cli/ca.py
index a47a293cffc3313f76e28c63934ea7ef526a6c25..54eabe299f6f7061d119fc8c5eabbd68b0f60ba6 100644
--- a/base/server/python/pki/server/cli/ca.py
+++ b/base/server/python/pki/server/cli/ca.py
@@ -397,9 +397,13 @@ class CAClonePrepareCLI(pki.cli.CLI):
 
             subsystem.export_system_cert(
                 'subsystem', pkcs12_file, pkcs12_password_file, new_file=True)
-            subsystem.export_system_cert('signing', pkcs12_file, pkcs12_password_file)
-            subsystem.export_system_cert('ocsp_signing', pkcs12_file, pkcs12_password_file)
-            subsystem.export_system_cert('audit_signing', pkcs12_file, pkcs12_password_file)
+            subsystem.export_system_cert(
+                'signing', pkcs12_file, pkcs12_password_file)
+            subsystem.export_system_cert(
+                'ocsp_signing', pkcs12_file, pkcs12_password_file)
+            subsystem.export_system_cert(
+                'audit_signing', pkcs12_file, pkcs12_password_file)
+            instance.export_external_certs(pkcs12_file, pkcs12_password_file)
 
         finally:
             shutil.rmtree(tmpdir)
diff --git a/base/server/python/pki/server/cli/instance.py b/base/server/python/pki/server/cli/instance.py
index b5e6a5e4105b455337d33eefc61c631d57f3c6bd..5d16153294e0f85b5ff56f6d3821e7f025ee2a80 100644
--- a/base/server/python/pki/server/cli/instance.py
+++ b/base/server/python/pki/server/cli/instance.py
@@ -26,6 +26,7 @@ import os
 import sys
 
 import pki.cli
+import pki.nssdb
 import pki.server
 import pki.server.cli.nuxwdog
 
@@ -44,6 +45,8 @@ class InstanceCLI(pki.cli.CLI):
         self.add_module(InstanceMigrateCLI())
         self.add_module(InstanceNuxwdogEnableCLI())
         self.add_module(InstanceNuxwdogDisableCLI())
+        self.add_module(InstanceExternalCertAddCLI())
+        self.add_module(InstanceExternalCertDeleteCLI())
 
     @staticmethod
     def print_instance(instance):
@@ -532,3 +535,185 @@ class InstanceNuxwdogDisableCLI(pki.cli.CLI):
             instance)  # pylint: disable=no-member,maybe-no-member
 
         self.print_message('Nuxwdog disabled for instance %s.' % instance_name)
+
+
+class InstanceExternalCertAddCLI(pki.cli.CLI):
+
+    def __init__(self):
+        super(InstanceExternalCertAddCLI, self).__init__(
+            'externalcert-add',
+            'Add external certificate or chain to the instance')
+
+    def print_help(self):
+        print('Usage: pki-server instance-externalcert-add [OPTIONS]')
+        print()
+        print('  -i, --instance <instance ID>       Instance ID (default: pki-tomcat).')
+        print('      --cert-file <path>             Input file containing the external certificate or certificate chain.')
+        print('      --trust-args <trust-args>      Trust args (default \",,\").')
+        print('      --nickname <nickname>          Nickname to be used.')
+        print('      --token <token_name>           Token (default: internal).')
+        print('  -v, --verbose                      Run in verbose mode.')
+        print('      --help                         Show help message.')
+        print()
+
+    def execute(self, argv):
+        try:
+            opts, _ = getopt.gnu_getopt(argv, 'i:v', [
+                'instance=',
+                'cert-file=', 'trust-args=', 'nickname=','token=',
+                'verbose', 'help'])
+
+        except getopt.GetoptError as e:
+            print('ERROR: ' + str(e))
+            self.print_help()
+            sys.exit(1)
+
+        instance_name = 'pki-tomcat'
+        cert_file = None
+        trust_args = '\",,\"'
+        nickname = None
+        token = 'internal'
+
+        for o, a in opts:
+            if o in ('-i', '--instance'):
+                instance_name = a
+
+            elif o == '--cert-file':
+                cert_file = a
+
+            elif o == '--trust-args':
+                trust_args = a
+
+            elif o == '--nickname':
+                nickname = a
+
+            elif o == '--token':
+                token = a
+
+            elif o in ('-v', '--verbose'):
+                self.set_verbose(True)
+
+            elif o == '--help':
+                self.print_help()
+                sys.exit()
+
+            else:
+                print('ERROR: unknown option ' + o)
+                self.print_help()
+                sys.exit(1)
+
+        if not cert_file:
+            print('ERROR: missing input file containing certificate')
+            self.print_help()
+            sys.exit(1)
+
+        if not nickname:
+            print('ERROR: missing nickname')
+            self.print_help()
+            sys.exit(1)
+
+        instance = pki.server.PKIInstance(instance_name)
+        instance.load()
+
+        if instance.external_cert_exists(nickname, token):
+            print('ERROR: Certificate already imported for instance %s.' %
+                  instance_name)
+            sys.exit(1)
+
+        nicks = self.import_certs(
+            instance, cert_file, nickname, token, trust_args)
+        self.update_instance_config(instance, nicks, token)
+
+        self.print_message('Certificate imported for instance %s.' %
+                           instance_name)
+
+    def import_certs(self, instance, cert_file, nickname, token, trust_args):
+        password = instance.get_password(token)
+        certdb = pki.nssdb.NSSDatabase(
+            directory=instance.nssdb_dir,
+            password=password,
+            token=token)
+        _chain, nicks = certdb.import_cert_chain(
+            nickname, cert_file, trust_attributes=trust_args)
+        return nicks
+
+    def update_instance_config(self, instance, nicks, token):
+        for nickname in nicks:
+            instance.add_external_cert(nickname, token)
+
+
+class InstanceExternalCertDeleteCLI(pki.cli.CLI):
+
+    def __init__(self):
+        super(InstanceExternalCertDeleteCLI, self).__init__(
+            'externalcert-del',
+            'Delete external certificate from the instance')
+
+    def print_help(self):
+        print('Usage: pki-server instance-externalcert-del [OPTIONS]')
+        print()
+        print('  -i, --instance <instance ID>       Instance ID (default: pki-tomcat).')
+        print('      --nickname <nickname>          Nickname to be used.')
+        print('      --token <token_name>           Token (default: internal).')
+        print('  -v, --verbose                      Run in verbose mode.')
+        print('      --help                         Show help message.')
+        print()
+
+    def execute(self, argv):
+        try:
+            opts, _ = getopt.gnu_getopt(argv, 'i:v', [
+                'instance=', 'nickname=','token=',
+                'verbose', 'help'])
+
+        except getopt.GetoptError as e:
+            print('ERROR: ' + str(e))
+            self.print_help()
+            sys.exit(1)
+
+        instance_name = 'pki-tomcat'
+        nickname = None
+        token = 'internal'
+
+        for o, a in opts:
+            if o in ('-i', '--instance'):
+                instance_name = a
+
+            elif o == '--nickname':
+                nickname = a
+
+            elif o == '--token':
+                token = a
+
+            elif o in ('-v', '--verbose'):
+                self.set_verbose(True)
+
+            elif o == '--help':
+                self.print_help()
+                sys.exit()
+
+            else:
+                print('ERROR: unknown option ' + o)
+                self.print_help()
+                sys.exit(1)
+
+        if not nickname:
+            print('ERROR: missing nickname')
+            self.print_help()
+            sys.exit(1)
+
+        instance = pki.server.PKIInstance(instance_name)
+        instance.load()
+
+        self.remove_cert(instance, nickname, token)
+        instance.delete_external_cert(nickname, token)
+
+        self.print_message('Certificate removed from instance %s.' %
+                           instance_name)
+
+    def remove_cert(self, instance, nickname, token):
+        password = instance.get_password(token)
+        certdb = pki.nssdb.NSSDatabase(
+            directory=instance.nssdb_dir,
+            password=password,
+            token=token)
+        certdb.remove_cert(nickname)
diff --git a/base/server/python/pki/server/cli/kra.py b/base/server/python/pki/server/cli/kra.py
index d1b27dbc13167af483ced1c1118f55ea44492419..ba1bf5a97b0767e5e11169677dcb741912f55016 100644
--- a/base/server/python/pki/server/cli/kra.py
+++ b/base/server/python/pki/server/cli/kra.py
@@ -131,9 +131,13 @@ class KRAClonePrepareCLI(pki.cli.CLI):
 
             subsystem.export_system_cert(
                 'subsystem', pkcs12_file, pkcs12_password_file, new_file=True)
-            subsystem.export_system_cert('transport', pkcs12_file, pkcs12_password_file)
-            subsystem.export_system_cert('storage', pkcs12_file, pkcs12_password_file)
-            subsystem.export_system_cert('audit_signing', pkcs12_file, pkcs12_password_file)
+            subsystem.export_system_cert(
+                'transport', pkcs12_file, pkcs12_password_file)
+            subsystem.export_system_cert(
+                'storage', pkcs12_file, pkcs12_password_file)
+            subsystem.export_system_cert(
+                'audit_signing', pkcs12_file, pkcs12_password_file)
+            instance.export_external_certs(pkcs12_file, pkcs12_password_file)
 
         finally:
             shutil.rmtree(tmpdir)
diff --git a/base/server/python/pki/server/cli/ocsp.py b/base/server/python/pki/server/cli/ocsp.py
index 7b1b43487aac97e86962edfd5ba1bb687e28a69e..45d7fca8359e0dc3e871d08bab2690b5619a6079 100644
--- a/base/server/python/pki/server/cli/ocsp.py
+++ b/base/server/python/pki/server/cli/ocsp.py
@@ -131,8 +131,11 @@ class OCSPClonePrepareCLI(pki.cli.CLI):
 
             subsystem.export_system_cert(
                 'subsystem', pkcs12_file, pkcs12_password_file, new_file=True)
-            subsystem.export_system_cert('signing', pkcs12_file, pkcs12_password_file)
-            subsystem.export_system_cert('audit_signing', pkcs12_file, pkcs12_password_file)
+            subsystem.export_system_cert(
+                'signing', pkcs12_file, pkcs12_password_file)
+            subsystem.export_system_cert(
+                'audit_signing', pkcs12_file, pkcs12_password_file)
+            instance.export_external_certs(pkcs12_file, pkcs12_password_file)
 
         finally:
             shutil.rmtree(tmpdir)
diff --git a/base/server/python/pki/server/cli/tks.py b/base/server/python/pki/server/cli/tks.py
index 39343db98e937e23aaa08d5556f03b4ff8724917..2bdfce84a3c38a1b9f1846d93fbee6c5778e4289 100644
--- a/base/server/python/pki/server/cli/tks.py
+++ b/base/server/python/pki/server/cli/tks.py
@@ -131,8 +131,11 @@ class TKSClonePrepareCLI(pki.cli.CLI):
 
             subsystem.export_system_cert(
                 'subsystem', pkcs12_file, pkcs12_password_file, new_file=True)
-            subsystem.export_system_cert('signing', pkcs12_file, pkcs12_password_file)
-            subsystem.export_system_cert('audit_signing', pkcs12_file, pkcs12_password_file)
+            subsystem.export_system_cert(
+                'signing', pkcs12_file, pkcs12_password_file)
+            subsystem.export_system_cert(
+                'audit_signing', pkcs12_file, pkcs12_password_file)
+            instance.export_external_certs(pkcs12_file, pkcs12_password_file)
 
         finally:
             shutil.rmtree(tmpdir)
diff --git a/base/server/python/pki/server/cli/tps.py b/base/server/python/pki/server/cli/tps.py
index 05045cb0d7c4bd19956f8b98afe5b370bc587d07..731b9720c7640fe597c8ac2efe190390e3ce6df6 100644
--- a/base/server/python/pki/server/cli/tps.py
+++ b/base/server/python/pki/server/cli/tps.py
@@ -131,8 +131,11 @@ class TPSClonePrepareCLI(pki.cli.CLI):
 
             subsystem.export_system_cert(
                 'subsystem', pkcs12_file, pkcs12_password_file, new_file=True)
-            subsystem.export_system_cert('signing', pkcs12_file, pkcs12_password_file)
-            subsystem.export_system_cert('audit_signing', pkcs12_file, pkcs12_password_file)
+            subsystem.export_system_cert(
+                'signing', pkcs12_file, pkcs12_password_file)
+            subsystem.export_system_cert(
+                'audit_signing', pkcs12_file, pkcs12_password_file)
+            instance.export_external_certs(pkcs12_file, pkcs12_password_file)
 
         finally:
             shutil.rmtree(tmpdir)
diff --git a/base/server/python/pki/server/deployment/scriptlets/configuration.py b/base/server/python/pki/server/deployment/scriptlets/configuration.py
index d06d88f1dd0fd34f75f9a8ec93ae5b3684edaaa0..79b66757aca48b9738a2a8eea4c65e9bd004822a 100644
--- a/base/server/python/pki/server/deployment/scriptlets/configuration.py
+++ b/base/server/python/pki/server/deployment/scriptlets/configuration.py
@@ -162,7 +162,7 @@ class PkiScriptlet(pkiscriptlet.AbstractBasePkiScriptlet):
                     deployer.mdict['pki_external_ca_cert_chain_nickname']
                 external_ca_cert_chain_file = deployer.mdict['pki_external_ca_cert_chain_path']
                 if external_ca_cert_chain_file:
-                    cert_chain = nssdb.import_cert_chain(
+                    cert_chain, _nicks = nssdb.import_cert_chain(
                         nickname=external_ca_cert_chain_nickname,
                         cert_chain_file=external_ca_cert_chain_file,
                         trust_attributes='CT,C,C')
diff --git a/base/server/python/pki/server/deployment/scriptlets/security_databases.py b/base/server/python/pki/server/deployment/scriptlets/security_databases.py
index a723b1da96462e9b844fb5328476958d4107f707..1844e8c78ddee2abc379aa869f470e244fd59a99 100644
--- a/base/server/python/pki/server/deployment/scriptlets/security_databases.py
+++ b/base/server/python/pki/server/deployment/scriptlets/security_databases.py
@@ -20,7 +20,9 @@
 
 from __future__ import absolute_import
 
+import os
 import pki.nssdb
+import pki.server
 
 # PKI Deployment Imports
 from .. import pkiconfig as config
@@ -89,7 +91,8 @@ class PkiScriptlet(pkiscriptlet.AbstractBasePkiScriptlet):
 
             # importing system certificates
 
-            pki_server_pkcs12_password = deployer.mdict['pki_server_pkcs12_password']
+            pki_server_pkcs12_password = deployer.mdict[
+                'pki_server_pkcs12_password']
             if not pki_server_pkcs12_password:
                 raise Exception('Missing pki_server_pkcs12_password property.')
 
@@ -101,6 +104,11 @@ class PkiScriptlet(pkiscriptlet.AbstractBasePkiScriptlet):
                 pkcs12_file=pki_server_pkcs12_path,
                 pkcs12_password=pki_server_pkcs12_password)
 
+            # update external CA file (if needed)
+            external_cert_path = deployer.mdict['pki_server_external_cert_path']
+            if external_cert_path is not None:
+                self.update_external_cert_conf(external_cert_path, deployer)
+
         if len(deployer.instance.tomcat_instance_subsystems()) < 2:
             # only create a self signed cert for a new instance
             #
@@ -175,6 +183,32 @@ class PkiScriptlet(pkiscriptlet.AbstractBasePkiScriptlet):
         deployer.file.delete(deployer.mdict['pki_shared_pfile'])
         return self.rv
 
+    def update_external_cert_conf(self, external_path, deployer):
+        external_conf = {}
+        if os.path.exists(external_path):
+            lines = open(external_path).read().splitlines()
+            for line in lines:
+                parts = line.split('=', 1)
+                name = parts[0]
+                value = parts[1]
+                external_conf[name] = value
+        else:
+            external_conf['num_certs'] = 0
+
+        num_certs = int(external_conf['num_certs'])
+        if num_certs > 0:
+            instance = pki.server.PKIInstance(
+                deployer.mdict['pki_instance_name'])
+            instance.load_external_certs(
+                os.path.join(deployer.mdict['pki_instance_configuration_path'],
+                             'external_certs.conf')
+            )
+
+            for num in range(0, num_certs):
+                nickname = external_conf[str(num) + '.nickname']
+                token = external_conf[str(num) + '.token']
+                instance.add_external_cert(nickname, token)
+
     def destroy(self, deployer):
 
         config.pki_log.info(log.SECURITY_DATABASES_DESTROY_1, __name__,
-- 
2.4.3


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