poorman/libhttpd/libhttpd.c

1472     static char* checked;
1500 	    httpd_realloc_str( &checked, &maxchecked, checkedlen );
1501 	    (void) strcpy( checked, path );
1503 	    while ( checked[checkedlen - 1] == '/' )
1505 		checked[checkedlen - 1] = '\0';
1511 	    return checked;
1515     /* Start out with nothing in checked and the whole filename in rest. */
1516     httpd_realloc_str( &checked, &maxchecked, 1 );
1517     checked[0] = '\0';
1543 	/* Grab one component from r and transfer it to checked. */
1551 		httpd_realloc_str( &checked, &maxchecked, checkedlen + 1 );
1552 		(void) strncpy( &checked[checkedlen], r, 1 );
1560 		    cp2 = strrchr( checked, '/' );
1563 		    else if ( cp2 == checked )
1566 			checkedlen = cp2 - checked;
1571 		httpd_realloc_str( &checked, &maxchecked, checkedlen + 1 + i );
1572 		if ( checkedlen > 0 && checked[checkedlen-1] != '/' )
1573 		    checked[checkedlen++] = '/';
1574 		(void) strncpy( &checked[checkedlen], r, i );
1577 	    checked[checkedlen] = '\0';
1589 		    cp2 = strrchr( checked, '/' );
1592 		    else if ( cp2 == checked )
1595 			checkedlen = cp2 - checked;
1596 		    checked[checkedlen] = '\0';
1602 		    &checked, &maxchecked, checkedlen + 1 + restlen );
1603 		if ( checkedlen > 0 && checked[checkedlen-1] != '/' )
1604 		    checked[checkedlen++] = '/';
1605 		(void) strcpy( &checked[checkedlen], r );
1613 	if ( checked[0] == '\0' )
1615 	linklen = readlink( checked, lnk, sizeof(lnk) - 1 );
1625 		    (void) strcpy( checked, "." );
1627 		    checked[prevcheckedlen] = '\0';
1628 		return checked;
1630 //	    syslog( LOG_ERR, "readlink %.80s - %m", checked );
1668 	    /* There must have been an absolute symlink - zero out checked. */
1669 	    checked[0] = '\0';
1676 	    checked[checkedlen] = '\0';
1682     if ( checked[0] == '\0' )
1683 	(void) strcpy( checked, "." );
1684     return checked;
1805 ** have checked so far; and hc->checked_state is the current state of the