146 lines
4.1 KiB
C
146 lines
4.1 KiB
C
/* $OpenBSD: util.c,v 1.3 2018/11/09 06:30:41 bluhm Exp $ */
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/*
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* Copyright (c) 2018 Alexander Bluhm <bluhm@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <err.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <openssl/err.h>
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#include <openssl/ssl.h>
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#include <openssl/opensslv.h>
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#include <openssl/crypto.h>
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#include "util.h"
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void
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print_version(void)
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{
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#ifdef OPENSSL_VERSION_NUMBER
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printf("OPENSSL_VERSION_NUMBER: %#08lx\n", OPENSSL_VERSION_NUMBER);
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#endif
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#ifdef LIBRESSL_VERSION_NUMBER
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printf("LIBRESSL_VERSION_NUMBER: %#08lx\n", LIBRESSL_VERSION_NUMBER);
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#endif
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#ifdef LIBRESSL_VERSION_TEXT
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printf("LIBRESSL_VERSION_TEXT: %s\n", LIBRESSL_VERSION_TEXT);
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#endif
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#if OPENSSL_VERSION_NUMBER >= 0x1010000f
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printf("OpenSSL_version_num: %#08lx\n", OpenSSL_version_num());
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printf("OpenSSL_version OPENSSL_VERSION: %s\n",
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OpenSSL_version(OPENSSL_VERSION));
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printf("OpenSSL_version OPENSSL_CFLAGS: %s\n",
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OpenSSL_version(OPENSSL_CFLAGS));
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printf("OpenSSL_version OPENSSL_BUILT_ON: %s\n",
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OpenSSL_version(OPENSSL_BUILT_ON));
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printf("OpenSSL_version OPENSSL_PLATFORM: %s\n",
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OpenSSL_version(OPENSSL_PLATFORM));
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printf("OpenSSL_version OPENSSL_DIR: %s\n",
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OpenSSL_version(OPENSSL_DIR));
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printf("OpenSSL_version OPENSSL_ENGINES_DIR: %s\n",
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OpenSSL_version(OPENSSL_ENGINES_DIR));
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#endif
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printf("SSLeay: %#08lx\n", SSLeay());
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printf("SSLeay_version SSLEAY_VERSION: %s\n",
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SSLeay_version(SSLEAY_VERSION));
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printf("SSLeay_version SSLEAY_CFLAGS: %s\n",
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SSLeay_version(SSLEAY_CFLAGS));
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printf("SSLeay_version SSLEAY_BUILT_ON: %s\n",
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SSLeay_version(SSLEAY_BUILT_ON));
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printf("SSLeay_version SSLEAY_PLATFORM: %s\n",
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SSLeay_version(SSLEAY_PLATFORM));
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printf("SSLeay_version SSLEAY_DIR: %s\n",
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SSLeay_version(SSLEAY_DIR));
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}
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void
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print_ciphers(STACK_OF(SSL_CIPHER) *cstack)
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{
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const SSL_CIPHER *cipher;
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int i;
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for (i = 0; (cipher = sk_SSL_CIPHER_value(cstack, i)) != NULL; i++)
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printf("cipher %s\n", SSL_CIPHER_get_name(cipher));
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if (fflush(stdout) != 0)
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err(1, "fflush stdout");
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}
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void
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print_sockname(BIO *bio)
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{
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struct sockaddr_storage ss;
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socklen_t slen;
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char host[NI_MAXHOST], port[NI_MAXSERV];
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int fd;
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if (BIO_get_fd(bio, &fd) <= 0)
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err_ssl(1, "BIO_get_fd");
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slen = sizeof(ss);
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if (getsockname(fd, (struct sockaddr *)&ss, &slen) == -1)
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err(1, "getsockname");
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if (getnameinfo((struct sockaddr *)&ss, ss.ss_len, host,
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sizeof(host), port, sizeof(port), NI_NUMERICHOST | NI_NUMERICSERV))
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errx(1, "getnameinfo");
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printf("sock: %s %s\n", host, port);
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if (fflush(stdout) != 0)
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err(1, "fflush stdout");
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}
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void
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print_peername(BIO *bio)
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{
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struct sockaddr_storage ss;
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socklen_t slen;
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char host[NI_MAXHOST], port[NI_MAXSERV];
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int fd;
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if (BIO_get_fd(bio, &fd) <= 0)
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err_ssl(1, "BIO_get_fd");
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slen = sizeof(ss);
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if (getpeername(fd, (struct sockaddr *)&ss, &slen) == -1)
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err(1, "getpeername");
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if (getnameinfo((struct sockaddr *)&ss, ss.ss_len, host,
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sizeof(host), port, sizeof(port), NI_NUMERICHOST | NI_NUMERICSERV))
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errx(1, "getnameinfo");
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printf("peer: %s %s\n", host, port);
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if (fflush(stdout) != 0)
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err(1, "fflush stdout");
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}
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void
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err_ssl(int eval, const char *fmt, ...)
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{
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va_list ap;
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ERR_print_errors_fp(stderr);
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va_start(ap, fmt);
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verrx(eval, fmt, ap);
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va_end(ap);
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}
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int
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verify_callback(int preverify_ok, X509_STORE_CTX *x509_ctx)
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{
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printf("verify: %s\n", preverify_ok ? "pass" : "fail");
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if (fflush(stdout) != 0)
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err(1, "fflush stdout");
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return preverify_ok;
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}
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