The branch, master has been updated
       via  3de3f64 s4-kdc: Move KDC packet handling functions to kdc-server.c
       via  3da8932 s4-kdc: Create a kdc-proxy.h header file
       via  379ed08 s4-kdc: Rename proxy-heimdal.c to kdc-proxy.c
       via  dc350a3 s4-kdc: Move KDC socket structs to krb5-server.h
       via  f110662 s4-kdc: Move kdc_process_fn_t declaration to kdc-server.h
       via  13661b6 s4-kdc: Move definitions to kdc-server.h
       via  cafd2d3 s4-kdc: Use better and simpler names for the 
kdc_process_ret enum
       via  0314796 s4-kdc: Put the heimdal kdc config into a private data 
pointer
       via  5ddfe5e s4-kdc: Use smb_krb5_mk_error() in kpasswd implementation
       via  c5a02e8 s4-kdc: Use smb_krb5_mk_error() in kdc implemenation
       via  8a0b058 krb5_wrap: Add smb_krb5_mk_error()
       via  de88bfc s4-kdc: Rename heimdal KDC files
      from  a978113 ctdb-tests: Improve ctdb protocol tests

https://git.samba.org/?p=samba.git;a=shortlog;h=master


- Log -----------------------------------------------------------------
commit 3de3f643a870239a7a410a13065a86053992f7fa
Author: Andreas Schneider <[email protected]>
Date:   Fri Jun 10 11:29:20 2016 +0200

    s4-kdc: Move KDC packet handling functions to kdc-server.c
    
    Create an Kerberos implmentation independent KDC-SERVER subsystem so we
    can use it to implement a kpasswd server with MIT Kerberos in future.
    
    Signed-off-by: Andreas Schneider <[email protected]>
    Reviewed-by: Jeremy Allison <[email protected]>
    
    Autobuild-User(master): Jeremy Allison <[email protected]>
    Autobuild-Date(master): Sun Jun 19 03:31:32 CEST 2016 on sn-devel-144

commit 3da8932e4ce4c289daf7bb102c0e5f54413b568c
Author: Andreas Schneider <[email protected]>
Date:   Mon Jun 13 11:20:44 2016 +0200

    s4-kdc: Create a kdc-proxy.h header file
    
    This makes the it Kerberos implmentation independent.
    
    Signed-off-by: Andreas Schneider <[email protected]>
    Reviewed-by: Jeremy Allison <[email protected]>

commit 379ed087545c01c6d897e7daaf4861edec32c3bf
Author: Andreas Schneider <[email protected]>
Date:   Mon Jun 13 11:19:51 2016 +0200

    s4-kdc: Rename proxy-heimdal.c to kdc-proxy.c
    
    The plan is to have a KDC-SERVER subsystem later.
    
    Signed-off-by: Andreas Schneider <[email protected]>
    Reviewed-by: Jeremy Allison <[email protected]>

commit dc350a349ac8ae484074e0900129d817a017c11f
Author: Andreas Schneider <[email protected]>
Date:   Fri Jun 10 11:23:20 2016 +0200

    s4-kdc: Move KDC socket structs to krb5-server.h
    
    Signed-off-by: Andreas Schneider <[email protected]>
    Reviewed-by: Jeremy Allison <[email protected]>

commit f11066231052190467df8c7d0019c80e61c281b5
Author: Andreas Schneider <[email protected]>
Date:   Fri Jun 10 14:06:10 2016 +0200

    s4-kdc: Move kdc_process_fn_t declaration to kdc-server.h
    
    Signed-off-by: Andreas Schneider <[email protected]>
    Reviewed-by: Jeremy Allison <[email protected]>

commit 13661b6fb0806c871d858716394a85c0d3936ca0
Author: Andreas Schneider <[email protected]>
Date:   Fri Jun 10 11:10:50 2016 +0200

    s4-kdc: Move definitions to kdc-server.h
    
    Signed-off-by: Andreas Schneider <[email protected]>
    Reviewed-by: Jeremy Allison <[email protected]>

commit cafd2d365abd42193caa2b666ae443fdc8a9d0a6
Author: Andreas Schneider <[email protected]>
Date:   Fri Jun 10 09:50:45 2016 +0200

    s4-kdc: Use better and simpler names for the kdc_process_ret enum
    
    Signed-off-by: Andreas Schneider <[email protected]>
    Reviewed-by: Jeremy Allison <[email protected]>

commit 0314796113db86cb9ee3342e06e8e9e117fdd162
Author: Andreas Schneider <[email protected]>
Date:   Fri Jun 10 09:42:33 2016 +0200

    s4-kdc: Put the heimdal kdc config into a private data pointer
    
    This allows us to make the struct general useable.
    
    Signed-off-by: Andreas Schneider <[email protected]>
    Reviewed-by: Jeremy Allison <[email protected]>

commit 5ddfe5ecd3e941f645619ec200d6e131763e4bb3
Author: Andreas Schneider <[email protected]>
Date:   Tue Jun 14 16:31:32 2016 +0200

    s4-kdc: Use smb_krb5_mk_error() in kpasswd implementation
    
    Signed-off-by: Andreas Schneider <[email protected]>
    Reviewed-by: Jeremy Allison <[email protected]>

commit c5a02e81ea423f02b402ae3d16c61054d8606158
Author: Andreas Schneider <[email protected]>
Date:   Tue Jun 14 16:33:34 2016 +0200

    s4-kdc: Use smb_krb5_mk_error() in kdc implemenation
    
    Signed-off-by: Andreas Schneider <[email protected]>
    Reviewed-by: Jeremy Allison <[email protected]>

commit 8a0b058ceedf4a568e3e5e272eef356abbe9bd08
Author: Andreas Schneider <[email protected]>
Date:   Mon Jun 13 10:52:46 2016 +0200

    krb5_wrap: Add smb_krb5_mk_error()
    
    Signed-off-by: Andreas Schneider <[email protected]>
    Reviewed-by: Jeremy Allison <[email protected]>

commit de88bfc770b5f281c0065a2e3e4b9c9106b03ea4
Author: Andreas Schneider <[email protected]>
Date:   Fri Jun 10 09:12:39 2016 +0200

    s4-kdc: Rename heimdal KDC files
    
    Signed-off-by: Andreas Schneider <[email protected]>
    Reviewed-by: Jeremy Allison <[email protected]>

-----------------------------------------------------------------------

Summary of changes:
 lib/krb5_wrap/krb5_samba.c                    |  37 ++
 lib/krb5_wrap/krb5_samba.h                    |   6 +
 source4/kdc/kdc-glue.h                        |  52 +-
 source4/kdc/kdc-heimdal.c                     | 460 ++++++++++++++
 source4/kdc/{proxy.c => kdc-proxy.c}          |   3 +-
 source4/kdc/kdc-proxy.h                       |  45 ++
 source4/kdc/{kdc.c => kdc-server.c}           | 857 +++++++-------------------
 source4/kdc/kdc-server.h                      |  82 +++
 source4/kdc/{kpasswdd.c => kpasswd-heimdal.c} |  59 +-
 source4/kdc/wscript_build                     |  16 +-
 10 files changed, 893 insertions(+), 724 deletions(-)
 create mode 100644 source4/kdc/kdc-heimdal.c
 rename source4/kdc/{proxy.c => kdc-proxy.c} (99%)
 create mode 100644 source4/kdc/kdc-proxy.h
 rename source4/kdc/{kdc.c => kdc-server.c} (52%)
 create mode 100644 source4/kdc/kdc-server.h
 rename source4/kdc/{kpasswdd.c => kpasswd-heimdal.c} (95%)


Changeset truncated at 500 lines:

diff --git a/lib/krb5_wrap/krb5_samba.c b/lib/krb5_wrap/krb5_samba.c
index 3cb1cee..79e9450 100644
--- a/lib/krb5_wrap/krb5_samba.c
+++ b/lib/krb5_wrap/krb5_samba.c
@@ -138,6 +138,43 @@ bool setup_kaddr( krb5_address *pkaddr, struct 
sockaddr_storage *paddr)
 #error UNKNOWN_ADDRTYPE
 #endif
 
+krb5_error_code smb_krb5_mk_error(krb5_context context,
+                                 krb5_error_code error_code,
+                                 const char *e_text,
+                                 krb5_data *e_data,
+                                 krb5_data *enc_err)
+{
+       krb5_error_code code = EINVAL;
+#ifdef SAMBA4_USES_HEIMDAL
+       code = krb5_mk_error(context,
+                            error_code,
+                            e_text,
+                            e_data,
+                            NULL, /* client */
+                            NULL, /* server */
+                            NULL, /* client_time */
+                            NULL, /* client_usec */
+                            enc_err);
+#else
+       krb5_error dec_err = {
+               .error = error_code,
+       };
+
+       if (e_text != NULL) {
+               dec_err.text.length = strlen(e_text);
+               dec_err.text.data = discard_const_p(e_text, char);
+       }
+       if (e_data != NULL) {
+               dec_err.e_data = *e_data;
+       }
+
+       code = krb5_mk_error(context,
+                            &dec_err,
+                            enc_err);
+#endif
+       return code;
+}
+
 /**
 * @brief Create a keyblock based on input parameters
 *
diff --git a/lib/krb5_wrap/krb5_samba.h b/lib/krb5_wrap/krb5_samba.h
index 15da9a1..41664f1 100644
--- a/lib/krb5_wrap/krb5_samba.h
+++ b/lib/krb5_wrap/krb5_samba.h
@@ -145,6 +145,12 @@ void krb5_free_unparsed_name(krb5_context ctx, char *val);
 /* Samba wrapper functions for krb5 functionality. */
 bool setup_kaddr( krb5_address *pkaddr, struct sockaddr_storage *paddr);
 
+krb5_error_code smb_krb5_mk_error(krb5_context context,
+                                 krb5_error_code error_code,
+                                 const char *e_text,
+                                 krb5_data *e_data,
+                                 krb5_data *enc_err);
+
 krb5_error_code get_kerberos_allowed_etypes(krb5_context context, krb5_enctype 
**enctypes);
 bool get_krb5_smb_session_key(TALLOC_CTX *mem_ctx,
                              krb5_context context,
diff --git a/source4/kdc/kdc-glue.h b/source4/kdc/kdc-glue.h
index 591ddd1..c083b8c 100644
--- a/source4/kdc/kdc-glue.h
+++ b/source4/kdc/kdc-glue.h
@@ -29,58 +29,22 @@
 #include <kdc.h>
 #include <krb5/windc_plugin.h>
 #include "kdc/samba_kdc.h"
+#include "kdc/kdc-server.h"
 
 struct tsocket_address;
 
-/*
-  top level context structure for the kdc server
-*/
-struct kdc_server {
-       struct task_server *task;
-       krb5_kdc_configuration *config;
-       struct smb_krb5_context *smb_krb5_context;
-       struct samba_kdc_base_context *base_ctx;
-       struct ldb_context *samdb;
-       bool am_rodc;
-       uint32_t proxy_timeout;
-};
-
-enum kdc_process_ret {
-       KDC_PROCESS_OK=0,
-       KDC_PROCESS_FAILED,
-       KDC_PROCESS_PROXY};
-
-enum kdc_process_ret kpasswdd_process(struct kdc_server *kdc,
-                                     TALLOC_CTX *mem_ctx,
-                                     DATA_BLOB *input,
-                                     DATA_BLOB *reply,
-                                     struct tsocket_address *peer_addr,
-                                     struct tsocket_address *my_addr,
-                                     int datagram_reply);
+kdc_code kpasswdd_process(struct kdc_server *kdc,
+                         TALLOC_CTX *mem_ctx,
+                         DATA_BLOB *input,
+                         DATA_BLOB *reply,
+                         struct tsocket_address *peer_addr,
+                         struct tsocket_address *my_addr,
+                         int datagram_reply);
 
 /* from hdb-samba4.c */
 NTSTATUS hdb_samba4_create_kdc(struct samba_kdc_base_context *base_ctx,
                               krb5_context context, struct HDB **db);
 
-/* from proxy.c */
-struct tevent_req *kdc_udp_proxy_send(TALLOC_CTX *mem_ctx,
-                                     struct tevent_context *ev,
-                                     struct kdc_server *kdc,
-                                     uint16_t port,
-                                     DATA_BLOB in);
-NTSTATUS kdc_udp_proxy_recv(struct tevent_req *req,
-                           TALLOC_CTX *mem_ctx,
-                           DATA_BLOB *out);
-
-struct tevent_req *kdc_tcp_proxy_send(TALLOC_CTX *mem_ctx,
-                                     struct tevent_context *ev,
-                                     struct kdc_server *kdc,
-                                     uint16_t port,
-                                     DATA_BLOB in);
-NTSTATUS kdc_tcp_proxy_recv(struct tevent_req *req,
-                           TALLOC_CTX *mem_ctx,
-                           DATA_BLOB *out);
-
 /* from kdc-glue.c */
 int kdc_check_pac(krb5_context krb5_context,
                  DATA_BLOB server_sig,
diff --git a/source4/kdc/kdc-heimdal.c b/source4/kdc/kdc-heimdal.c
new file mode 100644
index 0000000..be45073
--- /dev/null
+++ b/source4/kdc/kdc-heimdal.c
@@ -0,0 +1,460 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   KDC Server startup
+
+   Copyright (C) Andrew Bartlett <[email protected]> 2005-2008
+   Copyright (C) Andrew Tridgell       2005
+   Copyright (C) Stefan Metzmacher     2005
+
+   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; either version 3 of the License, or
+   (at your option) any later version.
+
+   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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "smbd/process_model.h"
+#include "lib/tsocket/tsocket.h"
+#include "lib/messaging/irpc.h"
+#include "librpc/gen_ndr/ndr_irpc.h"
+#include "librpc/gen_ndr/ndr_krb5pac.h"
+#include "lib/socket/netif.h"
+#include "param/param.h"
+#include "kdc/kdc-server.h"
+#include "kdc/kdc-proxy.h"
+#include "kdc/kdc-glue.h"
+#include "kdc/pac-glue.h"
+#include "dsdb/samdb/samdb.h"
+#include "auth/session.h"
+#include "libds/common/roles.h"
+#include <kdc.h>
+#include <hdb.h>
+
+NTSTATUS server_service_kdc_init(void);
+
+extern struct krb5plugin_windc_ftable windc_plugin_table;
+
+/**
+   Wrapper for krb5_kdc_process_krb5_request, converting to/from Samba
+   calling conventions
+*/
+
+static kdc_code kdc_process(struct kdc_server *kdc,
+                           TALLOC_CTX *mem_ctx,
+                           DATA_BLOB *input,
+                           DATA_BLOB *reply,
+                           struct tsocket_address *peer_addr,
+                           struct tsocket_address *my_addr,
+                           int datagram_reply)
+{
+       int ret;
+       char *pa;
+       struct sockaddr_storage ss;
+       krb5_data k5_reply;
+       krb5_kdc_configuration *kdc_config =
+               (krb5_kdc_configuration *)kdc->private_data;
+
+       krb5_data_zero(&k5_reply);
+
+       krb5_kdc_update_time(NULL);
+
+       ret = tsocket_address_bsd_sockaddr(peer_addr, (struct sockaddr *) &ss,
+                               sizeof(struct sockaddr_storage));
+       if (ret < 0) {
+               return KDC_ERROR;
+       }
+       pa = tsocket_address_string(peer_addr, mem_ctx);
+       if (pa == NULL) {
+               return KDC_ERROR;
+       }
+
+       DEBUG(10,("Received KDC packet of length %lu from %s\n",
+                               (long)input->length - 4, pa));
+
+       ret = krb5_kdc_process_krb5_request(kdc->smb_krb5_context->krb5_context,
+                                           kdc_config,
+                                           input->data, input->length,
+                                           &k5_reply,
+                                           pa,
+                                           (struct sockaddr *) &ss,
+                                           datagram_reply);
+       if (ret == -1) {
+               *reply = data_blob(NULL, 0);
+               return KDC_ERROR;
+       }
+
+       if (ret == HDB_ERR_NOT_FOUND_HERE) {
+               *reply = data_blob(NULL, 0);
+               return KDC_PROXY_REQUEST;
+       }
+
+       if (k5_reply.length) {
+               *reply = data_blob_talloc(mem_ctx, k5_reply.data, 
k5_reply.length);
+               krb5_data_free(&k5_reply);
+       } else {
+               *reply = data_blob(NULL, 0);
+       }
+       return KDC_OK;
+}
+
+/*
+  setup our listening sockets on the configured network interfaces
+*/
+static NTSTATUS kdc_startup_interfaces(struct kdc_server *kdc, struct 
loadparm_context *lp_ctx,
+                                      struct interface *ifaces)
+{
+       const struct model_ops *model_ops;
+       int num_interfaces;
+       TALLOC_CTX *tmp_ctx = talloc_new(kdc);
+       NTSTATUS status;
+       int i;
+       uint16_t kdc_port = lpcfg_krb5_port(lp_ctx);
+       uint16_t kpasswd_port = lpcfg_kpasswd_port(lp_ctx);
+       bool done_wildcard = false;
+
+       /* within the kdc task we want to be a single process, so
+          ask for the single process model ops and pass these to the
+          stream_setup_socket() call. */
+       model_ops = process_model_startup("single");
+       if (!model_ops) {
+               DEBUG(0,("Can't find 'single' process model_ops\n"));
+               return NT_STATUS_INTERNAL_ERROR;
+       }
+
+       num_interfaces = iface_list_count(ifaces);
+
+       /* if we are allowing incoming packets from any address, then
+          we need to bind to the wildcard address */
+       if (!lpcfg_bind_interfaces_only(lp_ctx)) {
+               int num_binds = 0;
+               char **wcard = iface_list_wildcard(kdc);
+               NT_STATUS_HAVE_NO_MEMORY(wcard);
+               for (i=0; wcard[i]; i++) {
+                       if (kdc_port) {
+                               status = kdc_add_socket(kdc, model_ops,
+                                                       "kdc", wcard[i], 
kdc_port,
+                                                       kdc_process, false);
+                               if (NT_STATUS_IS_OK(status)) {
+                                       num_binds++;
+                               }
+                       }
+
+                       if (kpasswd_port) {
+                               status = kdc_add_socket(kdc, model_ops,
+                                                       "kpasswd", wcard[i], 
kpasswd_port,
+                                                       kpasswdd_process, 
false);
+                               if (NT_STATUS_IS_OK(status)) {
+                                       num_binds++;
+                               }
+                       }
+               }
+               talloc_free(wcard);
+               if (num_binds == 0) {
+                       return NT_STATUS_INVALID_PARAMETER_MIX;
+               }
+               done_wildcard = true;
+       }
+
+       for (i=0; i<num_interfaces; i++) {
+               const char *address = talloc_strdup(tmp_ctx, 
iface_list_n_ip(ifaces, i));
+
+               if (kdc_port) {
+                       status = kdc_add_socket(kdc, model_ops,
+                                               "kdc", address, kdc_port,
+                                               kdc_process, done_wildcard);
+                       NT_STATUS_NOT_OK_RETURN(status);
+               }
+
+               if (kpasswd_port) {
+                       status = kdc_add_socket(kdc, model_ops,
+                                               "kpasswd", address, 
kpasswd_port,
+                                               kpasswdd_process, 
done_wildcard);
+                       NT_STATUS_NOT_OK_RETURN(status);
+               }
+       }
+
+       talloc_free(tmp_ctx);
+
+       return NT_STATUS_OK;
+}
+
+static NTSTATUS kdc_check_generic_kerberos(struct irpc_message *msg,
+                                struct kdc_check_generic_kerberos *r)
+{
+       struct PAC_Validate pac_validate;
+       DATA_BLOB srv_sig;
+       struct PAC_SIGNATURE_DATA kdc_sig;
+       struct kdc_server *kdc = talloc_get_type(msg->private_data, struct 
kdc_server);
+       krb5_kdc_configuration *kdc_config =
+               (krb5_kdc_configuration *)kdc->private_data;
+       enum ndr_err_code ndr_err;
+       int ret;
+       hdb_entry_ex ent;
+       krb5_principal principal;
+
+
+       /* There is no reply to this request */
+       r->out.generic_reply = data_blob(NULL, 0);
+
+       ndr_err = ndr_pull_struct_blob(&r->in.generic_request, msg, 
&pac_validate,
+                                      
(ndr_pull_flags_fn_t)ndr_pull_PAC_Validate);
+       if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+               return NT_STATUS_INVALID_PARAMETER;
+       }
+
+       if (pac_validate.MessageType != NETLOGON_GENERIC_KRB5_PAC_VALIDATE) {
+               /* We don't implement any other message types - such as 
certificate validation - yet */
+               return NT_STATUS_INVALID_PARAMETER;
+       }
+
+       if (pac_validate.ChecksumAndSignature.length != 
(pac_validate.ChecksumLength + pac_validate.SignatureLength)
+           || pac_validate.ChecksumAndSignature.length < 
pac_validate.ChecksumLength
+           || pac_validate.ChecksumAndSignature.length < 
pac_validate.SignatureLength ) {
+               return NT_STATUS_INVALID_PARAMETER;
+       }
+
+       srv_sig = data_blob_const(pac_validate.ChecksumAndSignature.data,
+                                 pac_validate.ChecksumLength);
+
+       ret = krb5_make_principal(kdc->smb_krb5_context->krb5_context, 
&principal,
+                                 lpcfg_realm(kdc->task->lp_ctx),
+                                 "krbtgt", lpcfg_realm(kdc->task->lp_ctx),
+                                 NULL);
+
+       if (ret != 0) {
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       ret = 
kdc_config->db[0]->hdb_fetch_kvno(kdc->smb_krb5_context->krb5_context,
+                                                kdc_config->db[0],
+                                                principal,
+                                                HDB_F_GET_KRBTGT | 
HDB_F_DECRYPT,
+                                                0,
+                                                &ent);
+
+       if (ret != 0) {
+               hdb_free_entry(kdc->smb_krb5_context->krb5_context, &ent);
+               krb5_free_principal(kdc->smb_krb5_context->krb5_context, 
principal);
+
+               return NT_STATUS_LOGON_FAILURE;
+       }
+
+       kdc_sig.type = pac_validate.SignatureType;
+       kdc_sig.signature = 
data_blob_const(&pac_validate.ChecksumAndSignature.data[pac_validate.ChecksumLength],
+                                           pac_validate.SignatureLength);
+
+       ret = kdc_check_pac(kdc->smb_krb5_context->krb5_context, srv_sig, 
&kdc_sig, &ent);
+
+       hdb_free_entry(kdc->smb_krb5_context->krb5_context, &ent);
+       krb5_free_principal(kdc->smb_krb5_context->krb5_context, principal);
+
+       if (ret != 0) {
+               return NT_STATUS_LOGON_FAILURE;
+       }
+
+       return NT_STATUS_OK;
+}
+
+
+/*
+  startup the kdc task
+*/
+static void kdc_task_init(struct task_server *task)
+{
+       struct kdc_server *kdc;
+       krb5_kdc_configuration *kdc_config = NULL;
+       NTSTATUS status;
+       krb5_error_code ret;
+       struct interface *ifaces;
+       int ldb_ret;
+
+       switch (lpcfg_server_role(task->lp_ctx)) {
+       case ROLE_STANDALONE:
+               task_server_terminate(task, "kdc: no KDC required in standalone 
configuration", false);
+               return;
+       case ROLE_DOMAIN_MEMBER:
+               task_server_terminate(task, "kdc: no KDC required in member 
server configuration", false);
+               return;
+       case ROLE_DOMAIN_PDC:
+       case ROLE_DOMAIN_BDC:
+               task_server_terminate(task, "Cannot start KDC as a 'classic 
Samba' DC", true);
+               return;
+       case ROLE_ACTIVE_DIRECTORY_DC:
+               /* Yes, we want a KDC */
+               break;
+       }
+
+       load_interface_list(task, task->lp_ctx, &ifaces);
+
+       if (iface_list_count(ifaces) == 0) {
+               task_server_terminate(task, "kdc: no network interfaces 
configured", false);
+               return;
+       }
+
+       task_server_set_title(task, "task[kdc]");
+
+       kdc = talloc_zero(task, struct kdc_server);
+       if (kdc == NULL) {
+               task_server_terminate(task, "kdc: out of memory", true);
+               return;
+       }
+
+       kdc->task = task;
+
+
+       /* get a samdb connection */
+       kdc->samdb = samdb_connect(kdc, kdc->task->event_ctx, kdc->task->lp_ctx,
+                                  system_session(kdc->task->lp_ctx), 0);
+       if (!kdc->samdb) {
+               DEBUG(1,("kdc_task_init: unable to connect to samdb\n"));
+               task_server_terminate(task, "kdc: krb5_init_context samdb 
connect failed", true);
+               return;
+       }
+
+       ldb_ret = samdb_rodc(kdc->samdb, &kdc->am_rodc);
+       if (ldb_ret != LDB_SUCCESS) {
+               DEBUG(1, ("kdc_task_init: Cannot determine if we are an RODC: 
%s\n",
+                         ldb_errstring(kdc->samdb)));
+               task_server_terminate(task, "kdc: krb5_init_context samdb RODC 
connect failed", true);
+               return;
+       }
+
+       kdc->proxy_timeout = lpcfg_parm_int(kdc->task->lp_ctx, NULL, "kdc", 
"proxy timeout", 5);
+
+       initialize_krb5_error_table();
+
+       ret = smb_krb5_init_context(kdc, task->lp_ctx, &kdc->smb_krb5_context);
+       if (ret) {
+               DEBUG(1,("kdc_task_init: krb5_init_context failed (%s)\n",
+                        error_message(ret)));
+               task_server_terminate(task, "kdc: krb5_init_context failed", 
true);
+               return;
+       }
+
+       krb5_add_et_list(kdc->smb_krb5_context->krb5_context, 
initialize_hdb_error_table_r);
+
+       ret = krb5_kdc_get_config(kdc->smb_krb5_context->krb5_context,
+                                 &kdc_config);
+       if(ret) {
+               task_server_terminate(task, "kdc: failed to get KDC 
configuration", true);
+               return;
+       }
+
+       kdc_config->logf = (krb5_log_facility 
*)kdc->smb_krb5_context->pvt_log_data;
+       kdc_config->db = talloc(kdc, struct HDB *);
+       if (!kdc_config->db) {
+               task_server_terminate(task, "kdc: out of memory", true);
+               return;
+       }
+       kdc_config->num_db = 1;


-- 
Samba Shared Repository

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