xref: /onnv-gate/usr/src/lib/libldap4/common/getattr.c (revision 3857:21b9b714e4ab)
1 /*
2  * Portions Copyright 2001 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 #pragma ident	"%Z%%M%	%I%	%E% SMI"
7 
8 /*
9  *  Copyright (c) 1990 Regents of the University of Michigan.
10  *  All rights reserved.
11  *
12  *  getattr.c
13  */
14 
15 #ifndef lint
16 static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
17 #endif
18 
19 #include <stdio.h>
20 #include <ctype.h>
21 #include <string.h>
22 #ifdef MACOS
23 #include <stdlib.h>
24 #include "macos.h"
25 #else /* MACOS */
26 #if defined( DOS ) || defined( _WIN32 )
27 #include <malloc.h>
28 #include "msdos.h"
29 #else /* DOS */
30 #include <sys/types.h>
31 #include <sys/socket.h>
32 #endif /* DOS */
33 #endif /* MACOS */
34 
35 #include "lber.h"
36 #include "ldap.h"
37 #include "ldap-private.h"
38 #include "ldap-int.h"
39 
40 char *
ldap_first_attribute(LDAP * ld,LDAPMessage * entry,BerElement ** ber)41 ldap_first_attribute( LDAP *ld, LDAPMessage *entry, BerElement **ber )
42 {
43 	int	len;
44 	char	*attrbuffer;
45 
46 	if ((attrbuffer = (char *)malloc(LDAP_MAX_ATTR_LEN)) == NULL) {
47 		return (NULL);
48 	}
49 
50 	Debug( LDAP_DEBUG_TRACE, catgets(slapdcat, 1, 179, "ldap_first_attribute\n"), 0, 0, 0 );
51 
52 	if ( (*ber = alloc_ber_with_options( ld )) == NULLBER ) {
53 		free(attrbuffer);
54 		return( NULL );
55 	}
56 
57 	**ber = *entry->lm_ber;
58 
59 	/*
60 	 * Skip past the sequence, dn, sequence of sequence, snarf the
61 	 * attribute type, and skip the set of values, leaving us
62 	 * positioned right before the next attribute type/value sequence.
63 	 */
64 
65 	len = LDAP_MAX_ATTR_LEN;
66 	if ( ber_scanf( *ber, "{x{{sx}", attrbuffer, &len )
67 	    == LBER_ERROR ) {
68 		ld->ld_errno = LDAP_DECODING_ERROR;
69 		ber_free( *ber, 0 );
70 		*ber = NULL;
71 		free(attrbuffer);
72 		return( NULL );
73 	}
74 
75 	return( attrbuffer );
76 }
77 
78 /* ARGSUSED */
79 char *
ldap_next_attribute(LDAP * ld,LDAPMessage * entry,BerElement * ber)80 ldap_next_attribute( LDAP *ld, LDAPMessage *entry, BerElement *ber )
81 {
82 	int	len;
83 	char	*attrbuffer;
84 
85 	if ((attrbuffer = (char *)malloc(LDAP_MAX_ATTR_LEN)) == NULL) {
86 		return (NULL);
87 	}
88 
89 	Debug( LDAP_DEBUG_TRACE, catgets(slapdcat, 1, 180, "ldap_next_attribute\n"), 0, 0, 0 );
90 
91 	/* skip sequence, snarf attribute type, skip values */
92 	len = LDAP_MAX_ATTR_LEN;
93 	if ( ber_scanf( ber, "{sx}", attrbuffer, &len )
94 	    == LBER_ERROR ) {
95 		ld->ld_errno = LDAP_DECODING_ERROR;
96 		free(attrbuffer);
97 		return( NULL );
98 	}
99 	ld->ld_errno = LDAP_SUCCESS;
100 	return( attrbuffer );
101 }
102 
ldap_memfree(char * mem)103 void ldap_memfree(char *mem)
104 {
105 	free(mem);
106 }
107 
108