]> git.sur5r.net Git - openldap/blobdiff - libraries/libldap/getdn.c
ITS#791: fix SASL ctx close
[openldap] / libraries / libldap / getdn.c
index f434465058fa53df8126933bb97371352f2fdd16..3fe68f5466107aeab1045dcbe3099952ed9b541c 100644 (file)
@@ -1,5 +1,6 @@
+/* $OpenLDAP$ */
 /*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 /*  Portions
@@ -12,7 +13,8 @@
 #include "portable.h"
 
 #include <stdio.h>
-#include <stdlib.h>
+
+#include <ac/stdlib.h>
 
 #include <ac/ctype.h>
 #include <ac/socket.h>
 
 #include "ldap-int.h"
 
-static char **explode_name( LDAP_CONST char *name, int notypes, int is_dn );
+#define NAME_TYPE_LDAP_RDN     0
+#define NAME_TYPE_LDAP_DN      1
+#define NAME_TYPE_DCE_DN       2
+
+static char **explode_name( const char *name, int notypes, int is_type );
 
 char *
 ldap_get_dn( LDAP *ld, LDAPMessage *entry )
@@ -37,7 +43,7 @@ ldap_get_dn( LDAP *ld, LDAPMessage *entry )
        }
 
        tmp = *entry->lm_ber;   /* struct copy */
-       if ( ber_scanf( &tmp, "{a", &dn ) == LBER_ERROR ) {
+       if ( ber_scanf( &tmp, "{a" /*}*/, &dn ) == LBER_ERROR ) {
                ld->ld_errno = LDAP_DECODING_ERROR;
                return( NULL );
        }
@@ -48,155 +54,160 @@ ldap_get_dn( LDAP *ld, LDAPMessage *entry )
 char *
 ldap_dn2ufn( LDAP_CONST char *dn )
 {
-       char    *p, *ufn, *r;
-       int     state;
+       char    *ufn;
+       char    **vals;
 
        Debug( LDAP_DEBUG_TRACE, "ldap_dn2ufn\n", 0, 0, 0 );
 
-       if ( ldap_is_dns_dn( dn ) || ( p = strchr( dn, '=' )) == NULL )
-               return( LDAP_STRDUP( dn ) );
+       /* produces completely untyped UFNs */
 
-       ufn = LDAP_STRDUP( ++p );
+       if( dn == NULL ) {
+               return NULL;
+       }
 
-#define INQUOTE                1
-#define OUTQUOTE       2
-       state = OUTQUOTE;
-       for ( p = ufn, r = ufn; *p; p++ ) {
-               switch ( *p ) {
-               case '\\':
-                       if ( *++p == '\0' )
-                               p--;
-                       else {
-                               *r++ = '\\';
-                               *r++ = *p;
-                       }
-                       break;
-               case '"':
-                       if ( state == INQUOTE )
-                               state = OUTQUOTE;
-                       else
-                               state = INQUOTE;
-                       *r++ = *p;
-                       break;
-               case ';':
-               case ',':
-                       if ( state == OUTQUOTE )
-                               *r++ = ',';
-                       else
-                               *r++ = *p;
-                       break;
-               case '=':
-                       if ( state == INQUOTE )
-                               *r++ = *p;
-                       else {
-                               char    *rsave = r;
-
-                               *r-- = '\0';
-                               while ( !isspace( (unsigned char) *r )
-                                       && *r != ';' && *r != ',' && r > ufn )
-                                       r--;
-                               r++;
-
-                               if ( strcasecmp( r, "c" )
-                                   && strcasecmp( r, "o" )
-                                   && strcasecmp( r, "ou" )
-                                   && strcasecmp( r, "st" )
-                                   && strcasecmp( r, "l" )
-                                   && strcasecmp( r, "cn" ) ) {
-                                       r = rsave;
-                                       *r++ = '=';
-                               }
-                       }
-                       break;
-               default:
-                       *r++ = *p;
-                       break;
-               }
+       vals = ldap_explode_dn( dn , 1 );
+       if( vals == NULL ) {
+               return NULL;
        }
-       *r = '\0';
 
-       return( ufn );
+       ufn = ldap_charray2str( vals, ", " );
+
+       ldap_memvfree( vals );
+       return ufn;
 }
 
 char **
-ldap_explode_dns( LDAP_CONST char *dn_in )
+ldap_explode_dn( LDAP_CONST char *dn, int notypes )
 {
-       char    *s;
-       char    **rdns;
-       char    *tok_r;
-       char    *dn;
+       Debug( LDAP_DEBUG_TRACE, "ldap_explode_dn\n", 0, 0, 0 );
 
-       int ncomps;
-       int maxcomps = 8;
+       return explode_name( dn, notypes, NAME_TYPE_LDAP_DN );
+}
 
-       if ( (dn = LDAP_STRDUP( dn_in )) == NULL ) {
-               return( NULL );
-       }
+char **
+ldap_explode_rdn( LDAP_CONST char *rdn, int notypes )
+{
+       Debug( LDAP_DEBUG_TRACE, "ldap_explode_rdn\n", 0, 0, 0 );
+       return explode_name( rdn, notypes, NAME_TYPE_LDAP_RDN );
+}
 
-       if ( (rdns = (char **) LDAP_MALLOC( maxcomps * sizeof(char *) )) == NULL ) {
-               LDAP_FREE( dn );
-               return( NULL );
+char *
+ldap_dn2dcedn( LDAP_CONST char *dn )
+{
+       char *dce, *q, **rdns, **p;
+       int len = 0;
+
+       Debug( LDAP_DEBUG_TRACE, "ldap_dn2dcedn\n", 0, 0, 0 );
+
+       rdns = explode_name( dn, 0, NAME_TYPE_LDAP_DN );
+       if ( rdns == NULL ) {
+               return NULL;
+       }
+       
+       for ( p = rdns; *p != NULL; p++ ) {
+               len += strlen( *p ) + 1;
        }
 
-       ncomps = 0;
-       for ( s = ldap_pvt_strtok( dn, "@.", &tok_r ); s != NULL; 
-             s = ldap_pvt_strtok( NULL, "@.", &tok_r ) )
-       {
-               if ( ncomps == maxcomps ) {
-                       maxcomps *= 2;
-                       if ( (rdns = (char **) LDAP_REALLOC( rdns, maxcomps *
-                           sizeof(char *) )) == NULL )
-                       {
-                               LDAP_FREE( dn );
-                               return NULL;
-                       }
-               }
-               rdns[ncomps++] = LDAP_STRDUP( s );
+       q = dce = LDAP_MALLOC( len + 1 );
+       if ( dce == NULL ) {
+               return NULL;
        }
-       LDAP_FREE(dn);
 
-       rdns[ncomps] = NULL;
+       p--; /* get back past NULL */
+
+       for ( ; p != rdns; p-- ) {
+               strcpy( q, "/" );
+               q++;
+               strcpy( q, *p );
+               q += strlen( *p );
+       }
 
-       /* trim rdns */
-       rdns = (char **) LDAP_REALLOC( rdns, (ncomps+1) * sizeof(char*) );
-       return( rdns );
+       strcpy( q, "/" );
+       q++;
+       strcpy( q, *p );
+       
+       return dce;
 }
 
-char **
-ldap_explode_dn( LDAP_CONST char *dn, int notypes )
+char *
+ldap_dcedn2dn( LDAP_CONST char *dce )
 {
-       Debug( LDAP_DEBUG_TRACE, "ldap_explode_dn\n", 0, 0, 0 );
+       char *dn, *q, **rdns, **p;
+       int len;
+
+       Debug( LDAP_DEBUG_TRACE, "ldap_dcedn2dn\n", 0, 0, 0 );
 
-       if ( ldap_is_dns_dn( dn ) ) {
-               return( ldap_explode_dns( dn ) );
+       rdns = explode_name( dce, 0, NAME_TYPE_DCE_DN );
+       if ( rdns == NULL ) {
+               return NULL;
        }
-       return explode_name( dn, notypes, 1 );
-}
 
-char **
-ldap_explode_rdn( LDAP_CONST char *rdn, int notypes )
-{
-       Debug( LDAP_DEBUG_TRACE, "ldap_explode_rdn\n", 0, 0, 0 );
-       return explode_name( rdn, notypes, 0 );
+       len = 0;
+
+       for ( p = rdns; *p != NULL; p++ ) {
+               len += strlen( *p ) + 1;
+       }
+
+       q = dn = LDAP_MALLOC( len );
+       if ( dn == NULL ) {
+               return NULL;
+       }
+
+       p--;
+
+       for ( ; p != rdns; p-- ) {
+               strcpy( q, *p );
+               q += strlen( *p );
+               strcpy( q, "," );
+               q++;
+       }
+
+       if ( *dce == '/' ) {
+               /* the name was fully qualified, thus the most-significant
+                * RDN was empty. trash the last comma */
+               q--;
+               *q = '\0';
+       } else {
+               /* the name was relative. copy the most significant RDN */
+               strcpy( q, *p );
+       }
+
+       return dn;
 }
 
+#define INQUOTE                1
+#define OUTQUOTE       2
+
 static char **
-explode_name( LDAP_CONST char *name, int notypes, int is_dn )
+explode_name( const char *name, int notypes, int is_type )
 {
-       const char *p, *q;
+       const char *p, *q, *rdn;
        char **parts = NULL;
-       int     state, count = 0, endquote, len;
+       int     offset, state, have_equals, count = 0, endquote, len;
+
+       /* safe guard */
+       if(name == NULL) name = "";
 
-       p = name-1;
+       /* skip leading whitespace */
+       while( ldap_utf8_isspace( name )) {
+               LDAP_UTF8_INCR( name );
+       }
+
+       p = rdn = name;
+       offset = 0;
        state = OUTQUOTE;
+       have_equals=0;
 
        do {
+               /* step forward */
+               p += offset;
+               offset = 1;
 
-               ++p;
                switch ( *p ) {
                case '\\':
-                       if ( *++p == '\0' )
-                               p--;
+                       if ( p[1] != '\0' ) {
+                               offset = LDAP_UTF8_OFFSET(++p);
+                       }
                        break;
                case '"':
                        if ( state == INQUOTE )
@@ -204,19 +215,28 @@ explode_name( LDAP_CONST char *name, int notypes, int is_dn )
                        else
                                state = INQUOTE;
                        break;
+               case '=':
+                       if( state == OUTQUOTE ) have_equals++;
+                       break;
                case '+':
-                       if (!is_dn)
+                       if (is_type == NAME_TYPE_LDAP_RDN)
+                               goto end_part;
+                       break;
+               case '/':
+                       if (is_type == NAME_TYPE_DCE_DN)
                                goto end_part;
                        break;
                case ';':
                case ',':
-                       if (!is_dn)
-                               break;
-                       goto end_part;
+                       if (is_type == NAME_TYPE_LDAP_DN)
+                               goto end_part;
+                       break;
                case '\0':
                end_part:
                        if ( state == OUTQUOTE ) {
                                ++count;
+                               have_equals=0;
+
                                if ( parts == NULL ) {
                                        if (( parts = (char **)LDAP_MALLOC( 8
                                                 * sizeof( char *))) == NULL )
@@ -227,31 +247,45 @@ explode_name( LDAP_CONST char *name, int notypes, int is_dn )
                                                == NULL )
                                                return( NULL );
                                }
+
                                parts[ count ] = NULL;
                                endquote = 0;
+
                                if ( notypes ) {
-                                       for ( q = name;
-                                           q < p && *q != '='; ++q ) {
-                                               ;
+                                       for ( q = rdn; q < p && *q != '='; ++q ) {
+                                               /* EMPTY */;
                                        }
+
                                        if ( q < p ) {
-                                               name = ++q;
+                                               rdn = ++q;
                                        }
-                                       if ( *name == '"' ) {
-                                               ++name;
+
+                                       if ( *rdn == '"' ) {
+                                               ++rdn;
                                        }
                                        
-                                       if ( *(p-1) == '"' ) {
+                                       if ( p[-1] == '"' ) {
                                                endquote = 1;
                                                --p;
                                        }
                                }
 
-                               len = p - name;
+                               len = p - rdn;
+
                                if (( parts[ count-1 ] = (char *)LDAP_CALLOC( 1,
-                                   len + 1 )) != NULL ) {
-                                       SAFEMEMCPY( parts[ count-1 ], name,
-                                           len );
+                                   len + 1 )) != NULL )
+                               {
+                                       AC_MEMCPY( parts[ count-1 ], rdn, len );
+
+                                       if( !endquote ) {
+                                               /* skip trailing spaces */
+                                               while( len > 0 && ldap_utf8_isspace(
+                                                       &parts[count-1][len-1] ) )
+                                               {
+                                                       --len;
+                                               }
+                                       }
+
                                        parts[ count-1 ][ len ] = '\0';
                                }
 
@@ -263,22 +297,12 @@ explode_name( LDAP_CONST char *name, int notypes, int is_dn )
                                if ( endquote == 1 )
                                        p++;
 
-                               name = *p ? p + 1 : p;
-                               while ( isascii( *name ) && isspace( *name ) )
-                                       ++name;
-                       }
-                       break;
+                               rdn = *p ? &p[1] : p;
+                               while ( ldap_utf8_isspace( rdn ) )
+                                       ++rdn;
+                       } break;
                }
        } while ( *p );
 
        return( parts );
 }
-
-
-int
-ldap_is_dns_dn( LDAP_CONST char *dn )
-{
-       return( dn[ 0 ] != '\0' && strchr( dn, '=' ) == NULL &&
-           strchr( dn, ',' ) == NULL );
-}
-