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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2025 ConnectWise
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <ctype.h>
#include <stdlib.h>
#include <libxo/xo.h>
#include "sockstat.h"
int *ports;
int
parse_ports(const char *portspec)
{
const char *p;
if (ports == NULL)
if ((ports = calloc(65536 / INT_BIT, sizeof(int))) == NULL)
xo_err(1, "calloc()");
p = portspec;
while (*p != '\0') {
long port, end;
char *endptr = NULL;
errno = 0;
port = strtol(p, &endptr, 10);
if (errno)
return (errno);
if (port < 0 || port > 65535)
return (ERANGE);
SET_PORT(port);
switch (*endptr) {
case '-':
p = endptr + 1;
end = strtol(p, &endptr, 10);
break;
case ',':
p = endptr + 1;
continue;
default:
p = endptr;
continue;
}
if (errno)
return (errno);
if (end < port || end > 65535)
return (ERANGE);
while (port++ < end)
SET_PORT(port);
}
return (0);
}
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