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1 /* $OpenLDAP$ */
2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
3  *
4  * Copyright 1998-2018 The OpenLDAP Foundation.
5  * Portions Copyright 1998-2003 Kurt D. Zeilenga.
6  * Portions Copyright 2003 IBM Corporation.
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 /* ACKNOWLEDGEMENTS:
18  * This work was initially developed by Kurt Zeilenga for inclusion
19  * in OpenLDAP Software.  Additional signficant contributors include
20  *    Jong Hyuk Choi
21  */
22
23 #include "portable.h"
24
25 #include <stdio.h>
26
27 #include <ac/stdlib.h>
28 #include <ac/ctype.h>
29 #include <ac/socket.h>
30 #include <ac/string.h>
31
32 #include "slapcommon.h"
33 #include "ldif.h"
34
35 static volatile sig_atomic_t gotsig;
36
37 static RETSIGTYPE
38 slapcat_sig( int sig )
39 {
40         gotsig=1;
41 }
42
43 int
44 slapcat( int argc, char **argv )
45 {
46         ID id;
47         int rc = EXIT_SUCCESS;
48         Operation op = {0};
49         const char *progname = "slapcat";
50         int requestBSF;
51         int doBSF = 0;
52
53         slap_tool_init( progname, SLAPCAT, argc, argv );
54
55         requestBSF = ( sub_ndn.bv_len || filter );
56
57 #ifdef SIGPIPE
58         (void) SIGNAL( SIGPIPE, slapcat_sig );
59 #endif
60 #ifdef SIGHUP
61         (void) SIGNAL( SIGHUP, slapcat_sig );
62 #endif
63         (void) SIGNAL( SIGINT, slapcat_sig );
64         (void) SIGNAL( SIGTERM, slapcat_sig );
65
66         if( !be->be_entry_open ||
67                 !be->be_entry_close ||
68                 !( be->be_entry_first_x || be->be_entry_first ) ||
69                 !be->be_entry_next ||
70                 !be->be_entry_get )
71         {
72                 fprintf( stderr, "%s: database doesn't support necessary operations.\n",
73                         progname );
74                 exit( EXIT_FAILURE );
75         }
76
77         if( be->be_entry_open( be, 0 ) != 0 ) {
78                 fprintf( stderr, "%s: could not open database.\n",
79                         progname );
80                 exit( EXIT_FAILURE );
81         }
82
83         op.o_bd = be;
84         if ( !requestBSF && be->be_entry_first ) {
85                 id = be->be_entry_first( be );
86
87         } else {
88                 if ( be->be_entry_first_x ) {
89                         id = be->be_entry_first_x( be,
90                                 sub_ndn.bv_len ? &sub_ndn : NULL, scope, filter );
91
92                 } else {
93                         assert( be->be_entry_first != NULL );
94                         doBSF = 1;
95                         id = be->be_entry_first( be );
96                 }
97         }
98
99         for ( ; id != NOID; id = be->be_entry_next( be ) )
100         {
101                 char *data;
102                 int len;
103                 Entry* e;
104
105                 if ( gotsig )
106                         break;
107
108                 e = be->be_entry_get( be, id );
109                 if ( e == NULL ) {
110                         printf("# no data for entry id=%08lx\n\n", (long) id );
111                         rc = EXIT_FAILURE;
112                         if ( continuemode == 0 ) {
113                                 break;
114
115                         } else if ( continuemode == 1 ) {
116                                 continue;
117                         }
118
119                         /* this is a last resort: linearly scan all ids
120                          * trying to recover as much as possible (ITS#6482) */
121                         while ( ++id != NOID ) {
122                                 e = be->be_entry_get( be, id );
123                                 if ( e != NULL ) break;
124                                 printf("# no data for entry id=%08lx\n\n", (long) id );
125                         }
126
127                         if ( e == NULL ) break;
128                 }
129
130                 if ( doBSF ) {
131                         if ( sub_ndn.bv_len && !dnIsSuffixScope( &e->e_nname, &sub_ndn, scope ) )
132                         {
133                                 be_entry_release_r( &op, e );
134                                 continue;
135                         }
136
137
138                         if ( filter != NULL ) {
139                                 int rc = test_filter( NULL, e, filter );
140                                 if ( rc != LDAP_COMPARE_TRUE ) {
141                                         be_entry_release_r( &op, e );
142                                         continue;
143                                 }
144                         }
145                 }
146
147                 if ( verbose ) {
148                         printf( "# id=%08lx\n", (long) id );
149                 }
150
151                 data = entry2str_wrap( e, &len, ldif_wrap );
152                 be_entry_release_r( &op, e );
153
154                 if ( data == NULL ) {
155                         printf("# bad data for entry id=%08lx\n\n", (long) id );
156                         rc = EXIT_FAILURE;
157                         if( continuemode ) continue;
158                         break;
159                 }
160
161                 if ( fputs( data, ldiffp->fp ) == EOF ||
162                         fputs( "\n", ldiffp->fp ) == EOF ) {
163                         fprintf(stderr, "%s: error writing output.\n",
164                                 progname);
165                         rc = EXIT_FAILURE;
166                         break;
167                 }
168         }
169
170         be->be_entry_close( be );
171
172         if ( slap_tool_destroy())
173                 rc = EXIT_FAILURE;
174         return rc;
175 }