Add automatic browser configuration for kerberos SSO using javascript.

This uses the UniversalPreferencesWrite function to set the browser
preferences to allow negotiation and ticket forwarding in the IPA domain.
A self-signed certificate is generated to sign the javascript.

ipa-server/ipaserver/certs.py

@@ -77,6 +77,11 @@ class CertDB(object):
         new_args = new_args + args
         ipautil.run(new_args, stdin)
 
+    def run_signtool(self, args, stdin=None):
+        new_args = ["/usr/bin/signtool", "-d", self.secdir]
+        new_args = new_args + args
+        ipautil.run(new_args, stdin)
+
     def create_noise_file(self):
         ipautil.backup_file(self.noise_fname)
         f = open(self.noise_fname, "w")
@@ -108,7 +113,7 @@ class CertDB(object):
         self.run_certutil(["-S", "-n", self.cacert_name,
                            "-s", "cn=CAcert",
                            "-x",
-                           "-t", "CT,,",
+                           "-t", "CT,,C",
                            "-m", self.next_serial(),
                            "-v", self.valid_months,
                            "-z", self.noise_fname,
@@ -130,7 +135,7 @@ class CertDB(object):
 
     def load_cacert(self, cacert_fname):
         self.run_certutil(["-A", "-n", self.cacert_name,
-                           "-t", "CT,CT,",
+                           "-t", "CT,,C",
                            "-a",
                            "-i", cacert_fname])
         
@@ -139,7 +144,17 @@ class CertDB(object):
         if not cdb:
             cdb = self
         self.request_cert(name)
-        cdb.issue_cert(self.certreq_fname, self.certder_fname)
+        cdb.issue_server_cert(self.certreq_fname, self.certder_fname)
+        self.add_cert(self.certder_fname, nickname)
+        os.unlink(self.certreq_fname)
+        os.unlink(self.certder_fname)
+        
+    def create_signing_cert(self, nickname, name, other_certdb=None):
+        cdb = other_certdb
+        if not cdb:
+            cdb = self
+        self.request_cert(name)
+        cdb.issue_signing_cert(self.certreq_fname, self.certder_fname)
         self.add_cert(self.certder_fname, nickname)
         os.unlink(self.certreq_fname)
         os.unlink(self.certder_fname)
@@ -151,7 +166,7 @@ class CertDB(object):
                            "-z", self.noise_fname,
                            "-f", self.passwd_fname])
 
-    def issue_cert(self, certreq_fname, cert_fname):
+    def issue_server_cert(self, certreq_fname, cert_fname):
         p = subprocess.Popen(["/usr/bin/certutil",
                               "-d", self.secdir,
                               "-C", "-c", self.cacert_name,
@@ -179,8 +194,37 @@ class CertDB(object):
         #     n - not critical
         p.stdin.write("2\n9\nn\n1\n9\nn\n")
         p.wait()
-        
-        
+
+    def issue_signing_cert(self, certreq_fname, cert_fname):
+        p = subprocess.Popen(["/usr/bin/certutil",
+                              "-d", self.secdir,
+                              "-C", "-c", self.cacert_name,
+                              "-i", certreq_fname,
+                              "-o", cert_fname,
+                              "-m", self.next_serial(),
+                              "-v", self.valid_months,
+                              "-f", self.passwd_fname,
+                              "-1", "-5"],
+                             stdin=subprocess.PIPE,
+                             stdout=subprocess.PIPE)
+
+        # Bah - this sucks, but I guess it isn't possible to fully
+        # control this with command line arguments.
+        #
+        # What this is requesting is:
+        #  -1 (Create key usage extension)
+        #     0 - Digital Signature
+        #     5 - Cert signing key
+        #     9 - done
+        #     n - not critical
+        #
+        #  -5 (Create netscape cert type extension)
+        #     3 - Object Signing
+        #     9 - done
+        #     n - not critical
+        p.stdin.write("0\n5\n9\nn\n3\n9\nn\n")
+        p.wait()
+
     def add_cert(self, cert_fname, nickname):
         self.run_certutil(["-A", "-n", nickname,
                            "-t", "u,u,u",

ipa-server/ipaserver/httpinstance.py

@@ -25,6 +25,7 @@ import pwd
 import fileinput
 import sys
 import time
+import shutil
 
 import service
 import certs
@@ -49,9 +50,10 @@ class HTTPInstance(service.Service):
         service.Service.__init__(self, "httpd")
 
     def create_instance(self, realm, fqdn):
-        self.sub_dict = { "REALM" : realm, "FQDN":  fqdn }
         self.fqdn = fqdn
         self.realm = realm
+        self.domain = fqdn[fqdn.find(".")+1:]
+        self.sub_dict = { "REALM" : realm, "FQDN": fqdn, "DOMAIN" : self.domain }
         
         self.start_creation(7, "Configuring the web interface")
         
@@ -60,6 +62,7 @@ class HTTPInstance(service.Service):
         self.__configure_http()
         self.__create_http_keytab()
         self.__setup_ssl()
+        self.__setup_autoconfig()
 
         self.step("restarting httpd")
         self.restart()
@@ -141,4 +144,31 @@ class HTTPInstance(service.Service):
         ds_ca.cur_serial = 2000
         ca.create_from_cacert(ds_ca.cacert_fname)
         ca.create_server_cert("Server-Cert", "cn=%s,ou=Apache Web Server" % self.fqdn, ds_ca)
-        
+        ca.create_signing_cert("Signing-Cert", "cn=%s,ou=Signing Certificate,o=Identity Policy Audit" % self.fqdn, ds_ca)
+
+    def __setup_autoconfig(self):
+        prefs_txt = template_file(SHARE_DIR + "preferences.html.template", self.sub_dict)
+        prefs_fd = open("/usr/share/ipa/html/preferences.html", "w")
+        prefs_fd.write(prefs_txt)
+        prefs_fd.close()                
+
+        # The signing cert is generated in __setup_ssl
+        ds_ca = certs.CertDB(dsinstance.config_dirname(self.realm))
+        ca = certs.CertDB(NSS_DIR)
+
+        # Publish the CA certificate
+        shutil.copy(ds_ca.cacert_fname, "/usr/share/ipa/html/ca.crt")
+        os.chmod("/usr/share/ipa/html/ca.crt", 0444)
+
+        try:
+            shutil.rmtree("/tmp/ipa")
+        except:
+            pass
+        os.mkdir("/tmp/ipa")
+        shutil.copy("/usr/share/ipa/html/preferences.html", "/tmp/ipa")
+
+        ca.run_signtool(["-k", "Signing-Cert",
+                         "-Z", "/usr/share/ipa/html/configure.jar",
+                         "-e", ".html",
+                         "/tmp/ipa"])
+        shutil.rmtree("/tmp/ipa")