init.c revision 1.2 
1/*	$NetBSD: init.c,v 1.2 2020/08/11 13:15:41 christos Exp $	*/
2
3/* $OpenLDAP$ */
4/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 *
6 * Copyright 1999-2020 The OpenLDAP Foundation.
7 * Portions Copyright 1999 John C. Quillan.
8 * Portions Copyright 2002 myinternet Limited.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted only as authorized by the OpenLDAP
13 * Public License.
14 *
15 * A copy of this license is available in file LICENSE in the
16 * top-level directory of the distribution or, alternatively, at
17 * <http://www.OpenLDAP.org/license.html>.
18 */
19
20#include "perl_back.h"
21#include "../config.h"
22
23#ifdef PERL_SYS_INIT3
24#include <ac/unistd.h>		/* maybe get environ */
25extern char **environ;
26#endif
27
28static void perl_back_xs_init LDAP_P((PERL_BACK_XS_INIT_PARAMS));
29EXT void boot_DynaLoader LDAP_P((PERL_BACK_BOOT_DYNALOADER_PARAMS));
30
31PerlInterpreter *PERL_INTERPRETER = NULL;
32ldap_pvt_thread_mutex_t	perl_interpreter_mutex;
33
34
35/**********************************************************
36 *
37 * Init
38 *
39 **********************************************************/
40
41int
42perl_back_initialize(
43	BackendInfo	*bi
44)
45{
46	char *embedding[] = { "", "-e", "0", NULL }, **argv = embedding;
47	int argc = 3;
48#ifdef PERL_SYS_INIT3
49	char **env = environ;
50#else
51	char **env = NULL;
52#endif
53
54	bi->bi_open = NULL;
55	bi->bi_config = 0;
56	bi->bi_close = perl_back_close;
57	bi->bi_destroy = 0;
58
59	bi->bi_db_init = perl_back_db_init;
60	bi->bi_db_config = perl_back_db_config;
61	bi->bi_db_open = perl_back_db_open;
62	bi->bi_db_close = 0;
63	bi->bi_db_destroy = perl_back_db_destroy;
64
65	bi->bi_op_bind = perl_back_bind;
66	bi->bi_op_unbind = 0;
67	bi->bi_op_search = perl_back_search;
68	bi->bi_op_compare = perl_back_compare;
69	bi->bi_op_modify = perl_back_modify;
70	bi->bi_op_modrdn = perl_back_modrdn;
71	bi->bi_op_add = perl_back_add;
72	bi->bi_op_delete = perl_back_delete;
73	bi->bi_op_abandon = 0;
74
75	bi->bi_extended = 0;
76
77	bi->bi_chk_referrals = 0;
78
79	bi->bi_connection_init = 0;
80	bi->bi_connection_destroy = 0;
81
82	/* injecting code from perl_back_open, because using fonction reference  (bi->bi_open) is not functional */
83	Debug( LDAP_DEBUG_TRACE, "perl backend open\n", 0, 0, 0 );
84
85	if( PERL_INTERPRETER != NULL ) {
86		Debug( LDAP_DEBUG_ANY, "perl backend open: already opened\n",
87			0, 0, 0 );
88		return 1;
89	}
90
91	ldap_pvt_thread_mutex_init( &perl_interpreter_mutex );
92
93#ifdef PERL_SYS_INIT3
94	PERL_SYS_INIT3(&argc, &argv, &env);
95#endif
96	PERL_INTERPRETER = perl_alloc();
97	perl_construct(PERL_INTERPRETER);
98#ifdef PERL_EXIT_DESTRUCT_END
99	PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
100#endif
101	perl_parse(PERL_INTERPRETER, perl_back_xs_init, argc, argv, env);
102	perl_run(PERL_INTERPRETER);
103	return perl_back_init_cf( bi );
104}
105
106int
107perl_back_db_init(
108	BackendDB	*be,
109	ConfigReply	*cr
110)
111{
112	be->be_private = (PerlBackend *) ch_malloc( sizeof(PerlBackend) );
113	memset( be->be_private, '\0', sizeof(PerlBackend));
114
115	((PerlBackend *)be->be_private)->pb_filter_search_results = 0;
116
117	Debug( LDAP_DEBUG_TRACE, "perl backend db init\n", 0, 0, 0 );
118
119	be->be_cf_ocs = be->bd_info->bi_cf_ocs;
120
121	return 0;
122}
123
124int
125perl_back_db_open(
126	BackendDB	*be,
127	ConfigReply	*cr
128)
129{
130	int count;
131	int return_code;
132
133	PerlBackend *perl_back = (PerlBackend *) be->be_private;
134
135	ldap_pvt_thread_mutex_lock( &perl_interpreter_mutex );
136
137	{
138		dSP; ENTER; SAVETMPS;
139
140		PUSHMARK(sp);
141		XPUSHs( perl_back->pb_obj_ref );
142
143		PUTBACK;
144
145		count = call_method("init", G_SCALAR);
146
147		SPAGAIN;
148
149		if (count != 1) {
150			croak("Big trouble in perl_back_db_open\n");
151		}
152
153		return_code = POPi;
154
155		PUTBACK; FREETMPS; LEAVE;
156	}
157
158	ldap_pvt_thread_mutex_unlock( &perl_interpreter_mutex );
159
160	return return_code;
161}
162
163
164static void
165perl_back_xs_init(PERL_BACK_XS_INIT_PARAMS)
166{
167	char *file = __FILE__;
168	dXSUB_SYS;
169	newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
170}
171
172#if SLAPD_PERL == SLAPD_MOD_DYNAMIC
173
174/* conditionally define the init_module() function */
175SLAP_BACKEND_INIT_MODULE( perl )
176
177#endif /* SLAPD_PERL == SLAPD_MOD_DYNAMIC */
178
179
180