1 /* $OpenBSD: util.c,v 1.3 2018/11/09 06:30:41 bluhm Exp $ */
2 /*
3 * Copyright (c) 2018 Alexander Bluhm <bluhm@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <sys/types.h>
19 #include <sys/socket.h>
20
21 #include <err.h>
22 #include <netdb.h>
23 #include <stdio.h>
24
25 #include <openssl/err.h>
26 #include <openssl/ssl.h>
27 #include <openssl/opensslv.h>
28 #include <openssl/crypto.h>
29
30 #include "util.h"
31
32 void
print_version(void)33 print_version(void)
34 {
35 #ifdef OPENSSL_VERSION_NUMBER
36 printf("OPENSSL_VERSION_NUMBER: %#08lx\n", OPENSSL_VERSION_NUMBER);
37 #endif
38 #ifdef LIBRESSL_VERSION_NUMBER
39 printf("LIBRESSL_VERSION_NUMBER: %#08lx\n", LIBRESSL_VERSION_NUMBER);
40 #endif
41 #ifdef LIBRESSL_VERSION_TEXT
42 printf("LIBRESSL_VERSION_TEXT: %s\n", LIBRESSL_VERSION_TEXT);
43 #endif
44 #if OPENSSL_VERSION_NUMBER >= 0x1010000f
45 printf("OpenSSL_version_num: %#08lx\n", OpenSSL_version_num());
46 printf("OpenSSL_version OPENSSL_VERSION: %s\n",
47 OpenSSL_version(OPENSSL_VERSION));
48 printf("OpenSSL_version OPENSSL_CFLAGS: %s\n",
49 OpenSSL_version(OPENSSL_CFLAGS));
50 printf("OpenSSL_version OPENSSL_BUILT_ON: %s\n",
51 OpenSSL_version(OPENSSL_BUILT_ON));
52 printf("OpenSSL_version OPENSSL_PLATFORM: %s\n",
53 OpenSSL_version(OPENSSL_PLATFORM));
54 printf("OpenSSL_version OPENSSL_DIR: %s\n",
55 OpenSSL_version(OPENSSL_DIR));
56 printf("OpenSSL_version OPENSSL_ENGINES_DIR: %s\n",
57 OpenSSL_version(OPENSSL_ENGINES_DIR));
58 #endif
59 printf("SSLeay: %#08lx\n", SSLeay());
60 printf("SSLeay_version SSLEAY_VERSION: %s\n",
61 SSLeay_version(SSLEAY_VERSION));
62 printf("SSLeay_version SSLEAY_CFLAGS: %s\n",
63 SSLeay_version(SSLEAY_CFLAGS));
64 printf("SSLeay_version SSLEAY_BUILT_ON: %s\n",
65 SSLeay_version(SSLEAY_BUILT_ON));
66 printf("SSLeay_version SSLEAY_PLATFORM: %s\n",
67 SSLeay_version(SSLEAY_PLATFORM));
68 printf("SSLeay_version SSLEAY_DIR: %s\n",
69 SSLeay_version(SSLEAY_DIR));
70 }
71
72 void
print_ciphers(STACK_OF (SSL_CIPHER)* cstack)73 print_ciphers(STACK_OF(SSL_CIPHER) *cstack)
74 {
75 const SSL_CIPHER *cipher;
76 int i;
77
78 for (i = 0; (cipher = sk_SSL_CIPHER_value(cstack, i)) != NULL; i++)
79 printf("cipher %s\n", SSL_CIPHER_get_name(cipher));
80 if (fflush(stdout) != 0)
81 err(1, "fflush stdout");
82 }
83
84 void
print_sockname(BIO * bio)85 print_sockname(BIO *bio)
86 {
87 struct sockaddr_storage ss;
88 socklen_t slen;
89 char host[NI_MAXHOST], port[NI_MAXSERV];
90 int fd;
91
92 if (BIO_get_fd(bio, &fd) <= 0)
93 err_ssl(1, "BIO_get_fd");
94 slen = sizeof(ss);
95 if (getsockname(fd, (struct sockaddr *)&ss, &slen) == -1)
96 err(1, "getsockname");
97 if (getnameinfo((struct sockaddr *)&ss, ss.ss_len, host,
98 sizeof(host), port, sizeof(port), NI_NUMERICHOST | NI_NUMERICSERV))
99 errx(1, "getnameinfo");
100 printf("sock: %s %s\n", host, port);
101 if (fflush(stdout) != 0)
102 err(1, "fflush stdout");
103 }
104
105 void
print_peername(BIO * bio)106 print_peername(BIO *bio)
107 {
108 struct sockaddr_storage ss;
109 socklen_t slen;
110 char host[NI_MAXHOST], port[NI_MAXSERV];
111 int fd;
112
113 if (BIO_get_fd(bio, &fd) <= 0)
114 err_ssl(1, "BIO_get_fd");
115 slen = sizeof(ss);
116 if (getpeername(fd, (struct sockaddr *)&ss, &slen) == -1)
117 err(1, "getpeername");
118 if (getnameinfo((struct sockaddr *)&ss, ss.ss_len, host,
119 sizeof(host), port, sizeof(port), NI_NUMERICHOST | NI_NUMERICSERV))
120 errx(1, "getnameinfo");
121 printf("peer: %s %s\n", host, port);
122 if (fflush(stdout) != 0)
123 err(1, "fflush stdout");
124 }
125
126 void
err_ssl(int eval,const char * fmt,...)127 err_ssl(int eval, const char *fmt, ...)
128 {
129 va_list ap;
130
131 ERR_print_errors_fp(stderr);
132 va_start(ap, fmt);
133 verrx(eval, fmt, ap);
134 va_end(ap);
135 }
136
137 int
verify_callback(int preverify_ok,X509_STORE_CTX * x509_ctx)138 verify_callback(int preverify_ok, X509_STORE_CTX *x509_ctx)
139 {
140 printf("verify: %s\n", preverify_ok ? "pass" : "fail");
141 if (fflush(stdout) != 0)
142 err(1, "fflush stdout");
143
144 return preverify_ok;
145 }
146