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ITS#8605 - spelling fixes
[openldap] / servers / slapd / back-perl / init.c
1 /* $OpenLDAP$ */
2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
3  *
4  * Copyright 1999-2017 The OpenLDAP Foundation.
5  * Portions Copyright 1999 John C. Quillan.
6  * Portions Copyright 2002 myinternet Limited.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted only as authorized by the OpenLDAP
11  * Public License.
12  *
13  * A copy of this license is available in file LICENSE in the
14  * top-level directory of the distribution or, alternatively, at
15  * <http://www.OpenLDAP.org/license.html>.
16  */
17
18 #include "perl_back.h"
19 #include "../config.h"
20
21 #ifdef PERL_SYS_INIT3
22 #include <ac/unistd.h>          /* maybe get environ */
23 extern char **environ;
24 #endif
25
26 static void perl_back_xs_init LDAP_P((PERL_BACK_XS_INIT_PARAMS));
27 EXT void boot_DynaLoader LDAP_P((PERL_BACK_BOOT_DYNALOADER_PARAMS));
28
29 PerlInterpreter *PERL_INTERPRETER = NULL;
30 ldap_pvt_thread_mutex_t perl_interpreter_mutex;
31
32
33 /**********************************************************
34  *
35  * Init
36  *
37  **********************************************************/
38
39 int
40 perl_back_initialize(
41         BackendInfo     *bi
42 )
43 {
44         char *embedding[] = { "", "-e", "0", NULL }, **argv = embedding;
45         int argc = 3;
46 #ifdef PERL_SYS_INIT3
47         char **env = environ;
48 #else
49         char **env = NULL;
50 #endif
51
52         bi->bi_open = NULL;
53         bi->bi_config = 0;
54         bi->bi_close = perl_back_close;
55         bi->bi_destroy = 0;
56
57         bi->bi_db_init = perl_back_db_init;
58         bi->bi_db_config = perl_back_db_config;
59         bi->bi_db_open = perl_back_db_open;
60         bi->bi_db_close = 0;
61         bi->bi_db_destroy = perl_back_db_destroy;
62
63         bi->bi_op_bind = perl_back_bind;
64         bi->bi_op_unbind = 0;
65         bi->bi_op_search = perl_back_search;
66         bi->bi_op_compare = perl_back_compare;
67         bi->bi_op_modify = perl_back_modify;
68         bi->bi_op_modrdn = perl_back_modrdn;
69         bi->bi_op_add = perl_back_add;
70         bi->bi_op_delete = perl_back_delete;
71         bi->bi_op_abandon = 0;
72
73         bi->bi_extended = 0;
74
75         bi->bi_chk_referrals = 0;
76
77         bi->bi_connection_init = 0;
78         bi->bi_connection_destroy = 0;
79
80         /* injecting code from perl_back_open, because using function reference  (bi->bi_open) is not functional */
81         Debug( LDAP_DEBUG_TRACE, "perl backend open\n", 0, 0, 0 );
82
83         if( PERL_INTERPRETER != NULL ) {
84                 Debug( LDAP_DEBUG_ANY, "perl backend open: already opened\n",
85                         0, 0, 0 );
86                 return 1;
87         }
88         
89         ldap_pvt_thread_mutex_init( &perl_interpreter_mutex );
90
91 #ifdef PERL_SYS_INIT3
92         PERL_SYS_INIT3(&argc, &argv, &env);
93 #endif
94         PERL_INTERPRETER = perl_alloc();
95         perl_construct(PERL_INTERPRETER);
96 #ifdef PERL_EXIT_DESTRUCT_END
97         PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
98 #endif
99         perl_parse(PERL_INTERPRETER, perl_back_xs_init, argc, argv, env);
100         perl_run(PERL_INTERPRETER);
101         return perl_back_init_cf( bi );
102 }
103
104 int
105 perl_back_db_init(
106         BackendDB       *be,
107         ConfigReply     *cr
108 )
109 {
110         be->be_private = (PerlBackend *) ch_malloc( sizeof(PerlBackend) );
111         memset( be->be_private, '\0', sizeof(PerlBackend));
112
113         ((PerlBackend *)be->be_private)->pb_filter_search_results = 0;
114
115         Debug( LDAP_DEBUG_TRACE, "perl backend db init\n", 0, 0, 0 );
116
117         be->be_cf_ocs = be->bd_info->bi_cf_ocs;
118
119         return 0;
120 }
121
122 int
123 perl_back_db_open(
124         BackendDB       *be,
125         ConfigReply     *cr
126 )
127 {
128         int count;
129         int return_code;
130
131         PerlBackend *perl_back = (PerlBackend *) be->be_private;
132
133         ldap_pvt_thread_mutex_lock( &perl_interpreter_mutex );
134
135         {
136                 dSP; ENTER; SAVETMPS;
137
138                 PUSHMARK(sp);
139                 XPUSHs( perl_back->pb_obj_ref );
140
141                 PUTBACK;
142
143                 count = call_method("init", G_SCALAR);
144
145                 SPAGAIN;
146
147                 if (count != 1) {
148                         croak("Big trouble in perl_back_db_open\n");
149                 }
150
151                 return_code = POPi;
152
153                 PUTBACK; FREETMPS; LEAVE;
154         }
155
156         ldap_pvt_thread_mutex_unlock( &perl_interpreter_mutex );
157
158         return return_code;
159 }
160
161
162 static void
163 perl_back_xs_init(PERL_BACK_XS_INIT_PARAMS)
164 {
165         char *file = __FILE__;
166         dXSUB_SYS;
167         newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
168 }
169
170 #if SLAPD_PERL == SLAPD_MOD_DYNAMIC
171
172 /* conditionally define the init_module() function */
173 SLAP_BACKEND_INIT_MODULE( perl )
174
175 #endif /* SLAPD_PERL == SLAPD_MOD_DYNAMIC */
176
177