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utils.c
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/****************************************************************************/
/* pfixtools: a collection of postfix related tools */
/* ~~~~~~~~~ */
/* ______________________________________________________________________ */
/* */
/* 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. */
/* 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. */
/* 3. The names of its contributors may not be used to endorse or promote */
/* products derived from this software without specific prior written */
/* permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``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 CONTRIBUTORS 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. */
/* */
/* Copyright (c) 2006-2014 the Authors */
/* see AUTHORS and source files for details */
/****************************************************************************/
#include <arpa/inet.h>
#include "utils.h"
#include "str.h"
bool ip_parse_4(ip4_t *restrict ip, const char* restrict txt, ssize_t len)
{
char str[BUFSIZ];
if (len < 0) {
len = m_strlen(txt);
}
if (m_strncpy(str, BUFSIZ, txt, len) > BUFSIZ) {
return false;
}
if (inet_pton(AF_INET, str, ip) != 1) {
return false;
}
*ip = ntohl(*ip);
return true;
}
bool ip_parse_6(ip6_t ip, const char* restrict txt, ssize_t len)
{
char str[BUFSIZ];
if (len < 0) {
len = m_strlen(txt);
}
if (m_strncpy(str, BUFSIZ, txt, len) > BUFSIZ) {
return false;
}
if (inet_pton(AF_INET6, str, ip) != 1) {
return false;
}
return true;
}
bool ip_print_4(buffer_t *buffer, ip4_t ip, bool display, bool reverse)
{
unused(display);
if (!reverse) {
buffer_addf(buffer, "%d.%d.%d.%d",
(ip >> 24) & 0xff, (ip >> 16) & 0xff,
(ip >> 8) & 0xff, ip & 0xff);
} else {
buffer_addf(buffer, "%d.%d.%d.%d",
ip & 0xff, (ip >> 8) & 0xff,
(ip >> 16) & 0xff, (ip >> 24) & 0xff);
}
return true;
}
bool ip_print_6(buffer_t *buffer, const ip6_t ip, bool display, bool reverse)
{
unused(display);
if (!reverse) {
buffer_addf(buffer, "%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x."
"%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x",
(ip[0] >> 4) & 0x0f, ip[0] & 0x0f,
(ip[1] >> 4) & 0x0f, ip[1] & 0x0f,
(ip[2] >> 4) & 0x0f, ip[2] & 0x0f,
(ip[3] >> 4) & 0x0f, ip[3] & 0x0f,
(ip[4] >> 4) & 0x0f, ip[4] & 0x0f,
(ip[5] >> 4) & 0x0f, ip[5] & 0x0f,
(ip[6] >> 4) & 0x0f, ip[6] & 0x0f,
(ip[7] >> 4) & 0x0f, ip[7] & 0x0f,
(ip[8] >> 4) & 0x0f, ip[8] & 0x0f,
(ip[9] >> 4) & 0x0f, ip[9] & 0x0f,
(ip[10] >> 4) & 0x0f, ip[10] & 0x0f,
(ip[11] >> 4) & 0x0f, ip[11] & 0x0f,
(ip[12] >> 4) & 0x0f, ip[12] & 0x0f,
(ip[13] >> 4) & 0x0f, ip[13] & 0x0f,
(ip[14] >> 4) & 0x0f, ip[14] & 0x0f,
(ip[15] >> 4) & 0x0f, ip[15] & 0x0f);
} else {
buffer_addf(buffer, "%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x."
"%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x",
ip[15] & 0x0f, (ip[15] >> 4) & 0x0f,
ip[14] & 0x0f, (ip[14] >> 4) & 0x0f,
ip[13] & 0x0f, (ip[13] >> 4) & 0x0f,
ip[12] & 0x0f, (ip[12] >> 4) & 0x0f,
ip[11] & 0x0f, (ip[11] >> 4) & 0x0f,
ip[10] & 0x0f, (ip[10] >> 4) & 0x0f,
ip[9] & 0x0f, (ip[9] >> 4) & 0x0f,
ip[8] & 0x0f, (ip[8] >> 4) & 0x0f,
ip[7] & 0x0f, (ip[7] >> 4) & 0x0f,
ip[6] & 0x0f, (ip[6] >> 4) & 0x0f,
ip[5] & 0x0f, (ip[5] >> 4) & 0x0f,
ip[4] & 0x0f, (ip[4] >> 4) & 0x0f,
ip[3] & 0x0f, (ip[3] >> 4) & 0x0f,
ip[2] & 0x0f, (ip[2] >> 4) & 0x0f,
ip[1] & 0x0f, (ip[1] >> 4) & 0x0f,
ip[0] & 0x0f, (ip[0] >> 4) & 0x0f);
}
return true;
}
/* vim:set et sw=4 sts=4 sws=4: */