83 lines
2.8 KiB
C
83 lines
2.8 KiB
C
|
/* util.h
|
||
|
|
*
|
||
|
|
* Copyright (C) 2006-2023 wolfSSL Inc.
|
||
|
|
*
|
||
|
|
* This file is part of wolfSSL.
|
||
|
|
*
|
||
|
|
* wolfSSL is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 2 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* wolfSSL is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _UTIL_H_
|
||
|
|
#define _UTIL_H_
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <wolfssl/ssl.h>
|
||
|
|
#include <ifaddrs.h>
|
||
|
|
#include <applibs/log.h>
|
||
|
|
|
||
|
|
#define _GNU_SOURCE /* defines NI_NUMERICHOST */
|
||
|
|
#ifndef NI_MAXHOST
|
||
|
|
#define NI_MAXHOST 256
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static void util_Cleanup(int sockfd, WOLFSSL_CTX* ctx, WOLFSSL* ssl)
|
||
|
|
{
|
||
|
|
wolfSSL_free(ssl); /* Free the wolfSSL object */
|
||
|
|
wolfSSL_CTX_free(ctx); /* Free the wolfSSL context object */
|
||
|
|
wolfSSL_Cleanup(); /* Cleanup the wolfSSL environment */
|
||
|
|
close(sockfd); /* Close the connection to the server */
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Displays each AF_INET interface and it's IP Address
|
||
|
|
* Return: WOLFSSL_SUCCESS if print is successful else WOLFSSL_FAILURE
|
||
|
|
*/
|
||
|
|
static int util_PrintIfAddr(void)
|
||
|
|
{
|
||
|
|
char host[NI_MAXHOST];
|
||
|
|
struct ifaddrs* ifaddr, * nxt;
|
||
|
|
int family, info, n;
|
||
|
|
|
||
|
|
/* Get a linked list of 'struct ifaddrs*' */
|
||
|
|
if (getifaddrs(&ifaddr) != 0) {
|
||
|
|
fprintf(stderr, "ERROR: Getting network interface and IP address");
|
||
|
|
return WOLFSSL_FAILURE;
|
||
|
|
}
|
||
|
|
printf("\nInterface IP Address\n");
|
||
|
|
/* Traverse ifaddr linked list using nxt */
|
||
|
|
for (nxt = ifaddr; nxt != NULL; nxt = nxt->ifa_next) {
|
||
|
|
if (nxt->ifa_addr == NULL)
|
||
|
|
continue;
|
||
|
|
family = nxt->ifa_addr->sa_family;
|
||
|
|
/* Display the address of each AF_INET* interface */
|
||
|
|
if (family == AF_INET) {
|
||
|
|
info = getnameinfo(nxt->ifa_addr, sizeof(struct sockaddr_in),
|
||
|
|
host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
|
||
|
|
if (info != 0) {
|
||
|
|
fprintf(stderr, "Failed to getnameinfo");
|
||
|
|
freeifaddrs(ifaddr);
|
||
|
|
return WOLFSSL_FAILURE;
|
||
|
|
}
|
||
|
|
/* Determine amount of space, n, to justify IP Address */
|
||
|
|
n = (int)strlen("Interface ") - (int)strlen(nxt->ifa_name);
|
||
|
|
n = (n > 0) ? n : 1; /* Set space to 1 if n is negative */
|
||
|
|
printf("%s %*c%s>\n", nxt->ifa_name, n, '<', host);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
printf("\n");
|
||
|
|
freeifaddrs(ifaddr);
|
||
|
|
return WOLFSSL_SUCCESS;
|
||
|
|
}
|
||
|
|
#endif
|