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/* $OpenBSD: util.c,v 1.1.1.1 2018/11/07 01:08:49 bluhm Exp $ */
/*
* Copyright (c) 2018 Alexander Bluhm <bluhm@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <err.h>
#include <netdb.h>
#include <stdio.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
#include "util.h"
void
print_ciphers(STACK_OF(SSL_CIPHER) *cstack)
{
SSL_CIPHER *cipher;
int i;
for (i = 0; (cipher = sk_SSL_CIPHER_value(cstack, i)) != NULL; i++)
printf("cipher %s\n", SSL_CIPHER_get_name(cipher));
if (fflush(stdout) != 0)
err(1, "fflush stdout");
}
void
print_sockname(BIO *bio)
{
struct sockaddr_storage ss;
socklen_t slen;
char host[NI_MAXHOST], port[NI_MAXSERV];
int fd;
if (BIO_get_fd(bio, &fd) <= 0)
err_ssl(1, "BIO_get_fd");
slen = sizeof(ss);
if (getsockname(fd, (struct sockaddr *)&ss, &slen) == -1)
err(1, "getsockname");
if (getnameinfo((struct sockaddr *)&ss, ss.ss_len, host,
sizeof(host), port, sizeof(port), NI_NUMERICHOST | NI_NUMERICSERV))
errx(1, "getnameinfo");
printf("sock: %s %s\n", host, port);
if (fflush(stdout) != 0)
err(1, "fflush stdout");
}
void
print_peername(BIO *bio)
{
struct sockaddr_storage ss;
socklen_t slen;
char host[NI_MAXHOST], port[NI_MAXSERV];
int fd;
if (BIO_get_fd(bio, &fd) <= 0)
err_ssl(1, "BIO_get_fd");
slen = sizeof(ss);
if (getpeername(fd, (struct sockaddr *)&ss, &slen) == -1)
err(1, "getpeername");
if (getnameinfo((struct sockaddr *)&ss, ss.ss_len, host,
sizeof(host), port, sizeof(port), NI_NUMERICHOST | NI_NUMERICSERV))
errx(1, "getnameinfo");
printf("peer: %s %s\n", host, port);
if (fflush(stdout) != 0)
err(1, "fflush stdout");
}
void
err_ssl(int eval, const char *fmt, ...)
{
va_list ap;
ERR_print_errors_fp(stderr);
va_start(ap, fmt);
verrx(eval, fmt, ap);
va_end(ap);
}
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