1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*
Unix SMB/CIFS implementation.
Start MIT krb5kdc server within Samba AD
Copyright (c) 2014 Andreas Schneider <asn@samba.org>
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 "talloc.h"
#include "tevent.h"
#include "system/filesys.h"
#include "lib/param/param.h"
#include "lib/util/samba_util.h"
#include "source4/smbd/service.h"
#include "source4/smbd/process_model.h"
#include "kdc/kdc-service-mit.h"
#include "dynconfig.h"
#include "libds/common/roles.h"
#include "source4/kdc/mit_kdc_irpc.h"
static void mitkdc_server_done(struct tevent_req *subreq);
/*
* Startup a copy of the krb5kdc as a child daemon
*/
void mitkdc_task_init(struct task_server *task)
{
struct tevent_req *subreq;
const char * const *kdc_cmd;
const char *kdc_config;
NTSTATUS status;
task_server_set_title(task, "task[mitkdc_parent]");
switch (lpcfg_server_role(task->lp_ctx)) {
case ROLE_STANDALONE:
task_server_terminate(task,
"The KDC is not required in standalone "
"server configuration, terminate!",
false);
return;
case ROLE_DOMAIN_MEMBER:
task_server_terminate(task,
"The KDC is not required in member "
"server configuration",
false);
return;
case ROLE_ACTIVE_DIRECTORY_DC:
/* Yes, we want to start the KDC */
break;
}
kdc_config = lpcfg_mit_kdc_config(task->lp_ctx, task);
if (kdc_config != NULL && kdc_config[0] != '\0') {
/* Do not overwrite the variable if already set! */
setenv("KRB5_KDC_PROFILE", kdc_config, 0);
}
/* start it as a child process */
kdc_cmd = lpcfg_mit_kdc_command(task->lp_ctx);
subreq = samba_runcmd_send(task,
task->event_ctx,
timeval_zero(),
1, /* stdout log level */
0, /* stderr log level */
kdc_cmd,
"-n", /* Don't go into background */
#if 0
"-w 2", /* Start two workers */
#endif
NULL);
if (subreq == NULL) {
DEBUG(0, ("Failed to start MIT KDC as child daemon\n"));
task_server_terminate(task,
"Failed to startup mitkdc task",
true);
return;
}
tevent_req_set_callback(subreq, mitkdc_server_done, task);
DEBUG(5,("Started krb5kdc process\n"));
status = samba_setup_mit_kdc_irpc(task);
if (!NT_STATUS_IS_OK(status)) {
task_server_terminate(task,
"Failed to setup kdc irpc service",
true);
}
DEBUG(5,("Started irpc service for kdc_server\n"));
}
/*
* This gets called the kdc exits.
*/
static void mitkdc_server_done(struct tevent_req *subreq)
{
struct task_server *task =
tevent_req_callback_data(subreq,
struct task_server);
int sys_errno;
int ret;
ret = samba_runcmd_recv(subreq, &sys_errno);
if (ret != 0) {
DEBUG(0, ("The MIT KDC daemon died with exit status %d\n",
sys_errno));
} else {
DEBUG(0,("The MIT KDC daemon exited normally\n"));
}
task_server_terminate(task, "mitkdc child process exited", true);
}
/* Called at MIT KRB5 startup - register ourselves as a server service */
NTSTATUS server_service_mitkdc_init(TALLOC_CTX *mem_ctx);
NTSTATUS server_service_mitkdc_init(TALLOC_CTX *mem_ctx)
{
return register_server_service("kdc", mitkdc_task_init);
}
|
