1#include "includes.h"
2#include "system/kerberos.h"
3#include "auth/kerberos/kerberos.h"
4#include <hdb.h>
5#include "kdc/hdb-samba4.h"
6#include "libnet/libnet.h"
7
8NTSTATUS libnet_export_keytab(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_export_keytab *r)
9{
10	krb5_error_code ret;
11	struct smb_krb5_context *smb_krb5_context;
12	const char *from_keytab;
13
14	/* Register hdb-samba4 hooks for use as a keytab */
15
16	struct hdb_samba4_context *hdb_samba4_context = talloc(mem_ctx, struct hdb_samba4_context);
17	if (!hdb_samba4_context) {
18		return NT_STATUS_NO_MEMORY;
19	}
20
21	hdb_samba4_context->ev_ctx = ctx->event_ctx;
22	hdb_samba4_context->lp_ctx = ctx->lp_ctx;
23
24	from_keytab = talloc_asprintf(hdb_samba4_context, "HDB:samba4&%p", hdb_samba4_context);
25	if (!from_keytab) {
26		return NT_STATUS_NO_MEMORY;
27	}
28
29	ret = smb_krb5_init_context(ctx, ctx->event_ctx, ctx->lp_ctx, &smb_krb5_context);
30	if (ret) {
31		return NT_STATUS_NO_MEMORY;
32	}
33
34	ret = krb5_plugin_register(smb_krb5_context->krb5_context,
35				   PLUGIN_TYPE_DATA, "hdb",
36				   &hdb_samba4);
37	if(ret) {
38		return NT_STATUS_NO_MEMORY;
39	}
40
41	ret = krb5_kt_register(smb_krb5_context->krb5_context, &hdb_kt_ops);
42	if(ret) {
43		return NT_STATUS_NO_MEMORY;
44	}
45
46	ret = kt_copy(smb_krb5_context->krb5_context, from_keytab, r->in.keytab_name);
47	if(ret) {
48		r->out.error_string = smb_get_krb5_error_message(smb_krb5_context->krb5_context,
49								 ret, mem_ctx);
50		return NT_STATUS_UNSUCCESSFUL;
51	}
52	return NT_STATUS_OK;
53}
54