1 /* $NetBSD: init.c,v 1.3 2021/08/14 16:15:01 christos Exp $ */
2
3 /* $OpenLDAP$ */
4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 *
6 * Copyright 1999-2021 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 "../slap-config.h"
22
23 #ifdef PERL_SYS_INIT3
24 #include <ac/unistd.h> /* maybe get environ */
25 extern char **environ;
26 #endif
27
28 static void perl_back_xs_init LDAP_P((PERL_BACK_XS_INIT_PARAMS));
29 EXT void boot_DynaLoader LDAP_P((PERL_BACK_BOOT_DYNALOADER_PARAMS));
30
31 PerlInterpreter *PERL_INTERPRETER = NULL;
32 ldap_pvt_thread_mutex_t perl_interpreter_mutex;
33
34
35 /**********************************************************
36 *
37 * Init
38 *
39 **********************************************************/
40
41 int
perl_back_initialize(BackendInfo * bi)42 perl_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 function reference (bi->bi_open) is not functional */
83 Debug( LDAP_DEBUG_TRACE, "perl backend open\n" );
84
85 if( PERL_INTERPRETER != NULL ) {
86 Debug( LDAP_DEBUG_ANY, "perl backend open: already opened\n" );
87 return 1;
88 }
89
90 ldap_pvt_thread_mutex_init( &perl_interpreter_mutex );
91
92 #ifdef PERL_SYS_INIT3
93 PERL_SYS_INIT3(&argc, &argv, &env);
94 #endif
95 PERL_INTERPRETER = perl_alloc();
96 perl_construct(PERL_INTERPRETER);
97 #ifdef PERL_EXIT_DESTRUCT_END
98 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
99 #endif
100 perl_parse(PERL_INTERPRETER, perl_back_xs_init, argc, argv, env);
101 perl_run(PERL_INTERPRETER);
102 return perl_back_init_cf( bi );
103 }
104
105 int
perl_back_db_init(BackendDB * be,ConfigReply * cr)106 perl_back_db_init(
107 BackendDB *be,
108 ConfigReply *cr
109 )
110 {
111 be->be_private = (PerlBackend *) ch_malloc( sizeof(PerlBackend) );
112 memset( be->be_private, '\0', sizeof(PerlBackend));
113
114 ((PerlBackend *)be->be_private)->pb_filter_search_results = 0;
115
116 Debug( LDAP_DEBUG_TRACE, "perl backend db init\n" );
117
118 be->be_cf_ocs = be->bd_info->bi_cf_ocs;
119
120 return 0;
121 }
122
123 int
perl_back_db_open(BackendDB * be,ConfigReply * cr)124 perl_back_db_open(
125 BackendDB *be,
126 ConfigReply *cr
127 )
128 {
129 int count;
130 int return_code;
131
132 PerlBackend *perl_back = (PerlBackend *) be->be_private;
133
134 ldap_pvt_thread_mutex_lock( &perl_interpreter_mutex );
135
136 {
137 dSP; ENTER; SAVETMPS;
138
139 PUSHMARK(sp);
140 XPUSHs( perl_back->pb_obj_ref );
141
142 PUTBACK;
143
144 count = call_method("init", G_SCALAR);
145
146 SPAGAIN;
147
148 if (count != 1) {
149 croak("Big trouble in perl_back_db_open\n");
150 }
151
152 return_code = POPi;
153
154 PUTBACK; FREETMPS; LEAVE;
155 }
156
157 ldap_pvt_thread_mutex_unlock( &perl_interpreter_mutex );
158
159 return return_code;
160 }
161
162
163 static void
perl_back_xs_init(PERL_BACK_XS_INIT_PARAMS)164 perl_back_xs_init(PERL_BACK_XS_INIT_PARAMS)
165 {
166 char *file = __FILE__;
167 dXSUB_SYS;
168 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
169 }
170
171 #if SLAPD_PERL == SLAPD_MOD_DYNAMIC
172
173 /* conditionally define the init_module() function */
174 SLAP_BACKEND_INIT_MODULE( perl )
175
176 #endif /* SLAPD_PERL == SLAPD_MOD_DYNAMIC */
177
178
179