1 /* entry.c - routines for dealing with entries */
4 * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
14 #include <ac/socket.h>
15 #include <ac/string.h>
19 static unsigned char *ebuf; /* buf returned by entry2str */
20 static unsigned char *ecur; /* pointer to end of currently used ebuf */
21 static int emaxsize;/* max size of ebuf */
23 int entry_destroy(void)
43 struct berval *vals[2];
47 * LDIF is used as the string format.
48 * An entry looks like this:
51 * [<attr>:[:] <value>\n]
52 * [<tab><continuedvalue>\n]*
55 * If a double colon is used after a type, it means the
56 * following value is encoded as a base 64 string. This
57 * happens if the value contains a non-printing character
61 Debug( LDAP_DEBUG_TRACE, "=> str2entry\n",
62 s ? s : "NULL", 0, 0 );
66 /* initialize reader/writer lock */
67 e = (Entry *) ch_calloc( 1, sizeof(Entry) );
70 Debug( LDAP_DEBUG_TRACE,
71 "<= str2entry NULL (entry allocation failed)\n",
84 while ( (s = ldif_getline( &next )) != NULL ) {
85 if ( *s == '\n' || *s == '\0' ) {
89 if ( ldif_parse_line( s, &type, &value, &vlen ) != 0 ) {
90 Debug( LDAP_DEBUG_TRACE,
91 "<= str2entry NULL (parse_line)\n", 0, 0, 0 );
95 if ( strcasecmp( type, ptype ) != 0 ) {
96 strncpy( ptype, type, sizeof(ptype) - 1 );
102 if ( strcasecmp( type, "dn" ) == 0 ) {
105 if ( e->e_dn != NULL ) {
106 Debug( LDAP_DEBUG_ANY,
107 "str2entry: entry %ld has multiple dns \"%s\" and \"%s\" (second ignored)\n",
109 value != NULL ? value : NULL );
110 if( value != NULL ) free( value );
113 e->e_dn = value != NULL ? value : ch_strdup( "" );
115 if ( e->e_ndn != NULL ) {
116 Debug( LDAP_DEBUG_ANY,
117 "str2entry: entry %ld already has a normalized dn \"%s\" for \"%s\" (first ignored)\n",
119 value != NULL ? value : NULL );
122 e->e_ndn = ch_strdup( e->e_dn );
123 (void) dn_normalize_case( e->e_ndn );
129 if ( attr_merge_fast( e, type, vals, nvals, 1, &maxvals, &a )
131 Debug( LDAP_DEBUG_TRACE,
132 "<= str2entry NULL (attr_merge)\n", 0, 0, 0 );
144 /* check to make sure there was a dn: line */
145 if ( e->e_dn == NULL ) {
146 Debug( LDAP_DEBUG_ANY, "str2entry: entry %ld has no dn\n",
152 if ( e->e_ndn == NULL ) {
153 Debug( LDAP_DEBUG_ANY,
154 "str2entry: entry %ld (\"%s\") has no normalized dn\n",
155 e->e_id, e->e_dn, 0 );
160 Debug(LDAP_DEBUG_TRACE, "<= str2entry(%s) -> %ld (0x%lx)\n",
161 e->e_dn, e->e_id, (unsigned long)e );
166 #define GRABSIZE BUFSIZ
168 #define MAKE_SPACE( n ) { \
169 while ( ecur + (n) > ebuf + emaxsize ) { \
171 offset = (int) (ecur - ebuf); \
172 ebuf = (unsigned char *) ch_realloc( (char *) ebuf, \
173 emaxsize + GRABSIZE ); \
174 emaxsize += GRABSIZE; \
175 ecur = ebuf + offset; \
189 * In string format, an entry looks like this:
192 * [<attr>: <value>\n]*
198 if ( e->e_dn != NULL ) {
200 tmplen = strlen( e->e_dn );
201 MAKE_SPACE( LDIF_SIZE_NEEDED( 2, tmplen ));
202 ldif_sput( (char **) &ecur, LDIF_PUT_VALUE, "dn", e->e_dn, tmplen );
205 /* put the attributes */
206 for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
207 /* put "<type>:[:] <value>" line for each value */
208 for ( i = 0; a->a_vals[i] != NULL; i++ ) {
210 tmplen = strlen( a->a_type );
211 MAKE_SPACE( LDIF_SIZE_NEEDED( tmplen, bv->bv_len ));
212 ldif_sput( (char **) &ecur, LDIF_PUT_VALUE, a->a_type,
213 bv->bv_val, bv->bv_len );
220 return( (char *) ebuf );
224 entry_free( Entry *e )
228 if ( e->e_dn != NULL ) {
232 if ( e->e_ndn != NULL ) {
236 for ( a = e->e_attrs; a != NULL; a = next ) {
246 * These routines are used only by Backend.
248 * the Entry has three entry points (ways to find things):
250 * by entry e.g., if you already have an entry from the cache
251 * and want to delete it. (really by entry ptr)
252 * by dn e.g., when looking for the base object of a search
253 * by id e.g., for search candidates
255 * these correspond to three different avl trees that are maintained.
259 entry_cmp( Entry *e1, Entry *e2 )
261 return( e1 < e2 ? -1 : (e1 > e2 ? 1 : 0) );
265 entry_dn_cmp( Entry *e1, Entry *e2 )
267 /* compare their normalized UPPERCASED dn's */
268 return( strcmp( e1->e_ndn, e2->e_ndn ) );
272 entry_id_cmp( Entry *e1, Entry *e2 )
274 return( e1->e_id < e2->e_id ? -1 : (e1->e_id > e2->e_id ? 1 : 0) );