+ if ( strncasecmp( p, LDAP_URL_URLCOLON, LDAP_URL_URLCOLON_LEN ) == 0 ) {
+ p += LDAP_URL_URLCOLON_LEN;
+ }
+
+ /* check for "ldap://" prefix */
+ if ( strncasecmp( p, LDAP_URL_PREFIX, LDAP_URL_PREFIX_LEN ) == 0 ) {
+ /* skip over "ldap://" prefix and return success */
+ p += LDAP_URL_PREFIX_LEN;
+ *scheme = "ldap";
+ return( p );
+ }
+
+ /* check for "ldaps://" prefix */
+ if ( strncasecmp( p, LDAPS_URL_PREFIX, LDAPS_URL_PREFIX_LEN ) == 0 ) {
+ /* skip over "ldaps://" prefix and return success */
+ p += LDAPS_URL_PREFIX_LEN;
+ *scheme = "ldaps";
+ return( p );
+ }
+
+ /* check for "ldapi://" prefix */
+ if ( strncasecmp( p, LDAPI_URL_PREFIX, LDAPI_URL_PREFIX_LEN ) == 0 ) {
+ /* skip over "ldapi://" prefix and return success */
+ p += LDAPI_URL_PREFIX_LEN;
+ *scheme = "ldapi";
+ return( p );
+ }
+
+#ifdef LDAP_CONNECTIONLESS
+ /* check for "cldap://" prefix */
+ if ( strncasecmp( p, LDAPC_URL_PREFIX, LDAPC_URL_PREFIX_LEN ) == 0 ) {
+ /* skip over "cldap://" prefix and return success */
+ p += LDAPC_URL_PREFIX_LEN;
+ *scheme = "cldap";
+ return( p );
+ }
+#endif
+
+ return( NULL );
+}
+
+int
+ldap_pvt_scope2bv( int scope, struct berval *bv )
+{
+ switch ( scope ) {
+ case LDAP_SCOPE_BASE:
+ BER_BVSTR( bv, "base" );
+ break;
+
+ case LDAP_SCOPE_ONELEVEL:
+ BER_BVSTR( bv, "one" );
+ break;
+
+ case LDAP_SCOPE_SUBTREE:
+ BER_BVSTR( bv, "sub" );
+ break;
+
+ case LDAP_SCOPE_SUBORDINATE:
+ BER_BVSTR( bv, "subordinate" );
+ break;
+
+ default:
+ return LDAP_OTHER;
+ }
+
+ return LDAP_SUCCESS;
+}
+
+const char *
+ldap_pvt_scope2str( int scope )
+{
+ struct berval bv;
+
+ if ( ldap_pvt_scope2bv( scope, &bv ) == LDAP_SUCCESS ) {
+ return bv.bv_val;
+ }
+
+ return NULL;
+}
+
+int
+ldap_pvt_bv2scope( struct berval *bv )
+{
+ static struct {
+ struct berval bv;
+ int scope;
+ } v[] = {
+ { BER_BVC( "one" ), LDAP_SCOPE_ONELEVEL },
+ { BER_BVC( "onelevel" ), LDAP_SCOPE_ONELEVEL },
+ { BER_BVC( "base" ), LDAP_SCOPE_BASE },
+ { BER_BVC( "sub" ), LDAP_SCOPE_SUBTREE },
+ { BER_BVC( "subtree" ), LDAP_SCOPE_SUBTREE },
+ { BER_BVC( "subord" ), LDAP_SCOPE_SUBORDINATE },
+ { BER_BVC( "subordinate" ), LDAP_SCOPE_SUBORDINATE },
+ { BER_BVC( "children" ), LDAP_SCOPE_SUBORDINATE },
+ { BER_BVNULL, -1 }
+ };
+ int i;
+
+ for ( i = 0; v[ i ].scope != -1; i++ ) {
+ if ( ber_bvstrcasecmp( bv, &v[ i ].bv ) == 0 ) {
+ return v[ i ].scope;
+ }
+ }
+
+ return( -1 );
+}
+
+int
+ldap_pvt_str2scope( const char *p )
+{
+ struct berval bv;
+
+ ber_str2bv( p, 0, 0, &bv );
+
+ return ldap_pvt_bv2scope( &bv );
+}
+
+static const char hex[] = "0123456789ABCDEF";
+
+#define URLESC_NONE 0x0000U
+#define URLESC_COMMA 0x0001U
+#define URLESC_SLASH 0x0002U
+
+static int
+hex_escape_len( const char *s, unsigned list )
+{
+ int len;
+
+ if ( s == NULL ) {
+ return 0;
+ }
+
+ for ( len = 0; s[0]; s++ ) {
+ switch ( s[0] ) {
+ /* RFC 2396: reserved */
+ case '?':
+ len += 3;
+ break;
+
+ case ',':
+ if ( list & URLESC_COMMA ) {
+ len += 3;
+ } else {
+ len++;
+ }
+ break;
+
+ case '/':
+ if ( list & URLESC_SLASH ) {
+ len += 3;
+ } else {
+ len++;
+ }
+ break;
+
+ case ';':
+ case ':':
+ case '@':
+ case '&':
+ case '=':
+ case '+':
+ case '$':
+
+ /* RFC 2396: unreserved mark */
+ case '-':
+ case '_':
+ case '.':
+ case '!':
+ case '~':
+ case '*':
+ case '\'':
+ case '(':
+ case ')':
+ len++;
+ break;
+
+ /* RFC 2396: unreserved alphanum */
+ default:
+ if ( !isalnum( (unsigned char) s[0] ) ) {
+ len += 3;
+ } else {
+ len++;
+ }
+ break;
+ }
+ }
+
+ return len;
+}
+
+static int
+hex_escape( char *buf, int len, const char *s, unsigned list )
+{
+ int i;
+ int pos;
+
+ if ( s == NULL ) {
+ return 0;
+ }
+
+ for ( pos = 0, i = 0; s[i] && pos < len; i++ ) {
+ int escape = 0;
+
+ switch ( s[i] ) {
+ /* RFC 2396: reserved */
+ case '?':
+ escape = 1;
+ break;
+
+ case ',':
+ if ( list & URLESC_COMMA ) {
+ escape = 1;
+ }
+ break;
+
+ case '/':
+ if ( list & URLESC_SLASH ) {
+ escape = 1;
+ }
+ break;
+
+ case ';':
+ case ':':
+ case '@':
+ case '&':
+ case '=':
+ case '+':
+ case '$':
+
+ /* RFC 2396: unreserved mark */
+ case '-':
+ case '_':
+ case '.':
+ case '!':
+ case '~':
+ case '*':
+ case '\'':
+ case '(':
+ case ')':
+ break;
+
+ /* RFC 2396: unreserved alphanum */
+ default:
+ if ( !isalnum( (unsigned char) s[i] ) ) {
+ escape = 1;
+ }
+ break;
+ }
+
+ if ( escape ) {
+ buf[pos++] = '%';
+ buf[pos++] = hex[ (s[i] >> 4) & 0x0f ];
+ buf[pos++] = hex[ s[i] & 0x0f ];
+
+ } else {
+ buf[pos++] = s[i];
+ }