-/* apps/ciphers.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
#include <openssl/err.h>
#include <openssl/ssl.h>
-#undef PROG
-#define PROG ciphers_main
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_STDNAME,
+ OPT_SSL3,
+ OPT_TLS1,
+ OPT_TLS1_1,
+ OPT_TLS1_2,
+ OPT_PSK,
+ OPT_V, OPT_UPPER_V, OPT_S
+} OPTION_CHOICE;
-static const char *ciphers_usage[] = {
- "usage: ciphers args\n",
- " -v - verbose mode, a textual listing of the SSL/TLS ciphers in OpenSSL\n",
- " -V - even more verbose\n",
- " -ssl3 - SSL3 mode\n",
- " -tls1 - TLS1 mode\n",
- NULL
+OPTIONS ciphers_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"v", OPT_V, '-', "Verbose listing of the SSL/TLS ciphers"},
+ {"V", OPT_UPPER_V, '-', "Even more verbose"},
+ {"s", OPT_S, '-', "Only supported ciphers"},
+#ifndef OPENSSL_NO_SSL3
+ {"ssl3", OPT_SSL3, '-', "SSL3 mode"},
+#endif
+#ifndef OPENSSL_NO_TLS1
+ {"tls1", OPT_TLS1, '-', "TLS1 mode"},
+#endif
+#ifndef OPENSSL_NO_TLS1_1
+ {"tls1_1", OPT_TLS1_1, '-', "TLS1.1 mode"},
+#endif
+#ifndef OPENSSL_NO_TLS1_2
+ {"tls1_2", OPT_TLS1_2, '-', "TLS1.2 mode"},
+#endif
+#ifndef OPENSSL_NO_SSL_TRACE
+ {"stdname", OPT_STDNAME, '-', "Show standard cipher names"},
+#endif
+#ifndef OPENSSL_NO_PSK
+ {"psk", OPT_PSK, '-', "include ciphersuites requiring PSK"},
+#endif
+ {NULL}
};
-int MAIN(int, char **);
+#ifndef OPENSSL_NO_PSK
+static unsigned int dummy_psk(SSL *ssl, const char *hint, char *identity,
+ unsigned int max_identity_len,
+ unsigned char *psk,
+ unsigned int max_psk_len)
+{
+ return 0;
+}
+#endif
-int MAIN(int argc, char **argv)
+int ciphers_main(int argc, char **argv)
{
- int ret = 1, i;
- int verbose = 0, Verbose = 0;
- int use_supported = 0;
+ SSL_CTX *ctx = NULL;
+ SSL *ssl = NULL;
+ STACK_OF(SSL_CIPHER) *sk = NULL;
+ const SSL_METHOD *meth = TLS_server_method();
+ int ret = 1, i, verbose = 0, Verbose = 0, use_supported = 0;
#ifndef OPENSSL_NO_SSL_TRACE
int stdname = 0;
#endif
- const char **pp;
+#ifndef OPENSSL_NO_PSK
+ int psk = 0;
+#endif
const char *p;
- int badops = 0;
- SSL_CTX *ctx = NULL;
- SSL *ssl = NULL;
- char *ciphers = NULL;
- const SSL_METHOD *meth = NULL;
- STACK_OF(SSL_CIPHER) *sk = NULL;
+ char *ciphers = NULL, *prog;
char buf[512];
- BIO *STDout = NULL;
-
- meth = SSLv23_server_method();
-
- apps_startup();
+ OPTION_CHOICE o;
- if (bio_err == NULL)
- bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
- STDout = BIO_new_fp(stdout, BIO_NOCLOSE);
-#ifdef OPENSSL_SYS_VMS
- {
- BIO *tmpbio = BIO_new(BIO_f_linebuffer());
- STDout = BIO_push(tmpbio, STDout);
- }
-#endif
- if (!load_config(bio_err, NULL))
- goto end;
-
- argc--;
- argv++;
- while (argc >= 1) {
- if (strcmp(*argv, "-v") == 0)
+ prog = opt_init(argc, argv, ciphers_options);
+ while ((o = opt_next()) != OPT_EOF) {
+ switch (o) {
+ case OPT_EOF:
+ case OPT_ERR:
+ opthelp:
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ goto end;
+ case OPT_HELP:
+ opt_help(ciphers_options);
+ ret = 0;
+ goto end;
+ case OPT_V:
verbose = 1;
- else if (strcmp(*argv, "-V") == 0)
+ break;
+ case OPT_UPPER_V:
verbose = Verbose = 1;
- else if (strcmp(*argv, "-s") == 0)
+ break;
+ case OPT_S:
use_supported = 1;
+ break;
+ case OPT_STDNAME:
#ifndef OPENSSL_NO_SSL_TRACE
- else if (strcmp(*argv, "-stdname") == 0)
stdname = verbose = 1;
#endif
+ break;
+ case OPT_SSL3:
#ifndef OPENSSL_NO_SSL3
- else if (strcmp(*argv, "-ssl3") == 0)
meth = SSLv3_client_method();
#endif
- else if (strcmp(*argv, "-tls1") == 0)
+ break;
+ case OPT_TLS1:
+#ifndef OPENSSL_NO_TLS1
meth = TLSv1_client_method();
- else if ((strncmp(*argv, "-h", 2) == 0) || (strcmp(*argv, "-?") == 0)) {
- badops = 1;
+#endif
+ break;
+ case OPT_TLS1_1:
+#ifndef OPENSSL_NO_TLS1_1
+ meth = TLSv1_1_client_method();
+#endif
+ break;
+ case OPT_TLS1_2:
+#ifndef OPENSSL_NO_TLS1_2
+ meth = TLSv1_2_client_method();
+#endif
+ break;
+ case OPT_PSK:
+#ifndef OPENSSL_NO_PSK
+ psk = 1;
+#endif
break;
- } else {
- ciphers = *argv;
}
- argc--;
- argv++;
}
+ argv = opt_rest();
+ argc = opt_num_rest();
- if (badops) {
- for (pp = ciphers_usage; (*pp != NULL); pp++)
- BIO_printf(bio_err, "%s", *pp);
- goto end;
- }
-
- OpenSSL_add_ssl_algorithms();
+ if (argc == 1)
+ ciphers = *argv;
+ else if (argc != 0)
+ goto opthelp;
ctx = SSL_CTX_new(meth);
if (ctx == NULL)
goto err;
+#ifndef OPENSSL_NO_PSK
+ if (psk)
+ SSL_CTX_set_psk_client_callback(ctx, dummy_psk);
+#endif
if (ciphers != NULL) {
if (!SSL_CTX_set_cipher_list(ctx, ciphers)) {
BIO_printf(bio_err, "Error in cipher list\n");
if (!verbose) {
for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
- SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
+ const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
p = SSL_CIPHER_get_name(c);
if (p == NULL)
break;
if (i != 0)
- BIO_printf(STDout, ":");
- BIO_printf(STDout, "%s", p);
+ BIO_printf(bio_out, ":");
+ BIO_printf(bio_out, "%s", p);
}
- BIO_printf(STDout, "\n");
- } else { /* verbose */
+ BIO_printf(bio_out, "\n");
+ } else {
for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
- SSL_CIPHER *c;
+ const SSL_CIPHER *c;
c = sk_SSL_CIPHER_value(sk, i);
int id2 = (int)((id >> 8) & 0xffL);
int id3 = (int)(id & 0xffL);
- if ((id & 0xff000000L) == 0x03000000L) {
- /* SSL3 cipher */
- BIO_printf(STDout, " 0x%02X,0x%02X - ", id2,
- id3);
- } else {
- /* whatever */
- BIO_printf(STDout, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0,
- id1, id2, id3);
- }
+ if ((id & 0xff000000L) == 0x03000000L)
+ BIO_printf(bio_out, " 0x%02X,0x%02X - ", id2, id3); /* SSL3
+ * cipher */
+ else
+ BIO_printf(bio_out, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */
}
#ifndef OPENSSL_NO_SSL_TRACE
if (stdname) {
const char *nm = SSL_CIPHER_standard_name(c);
if (nm == NULL)
nm = "UNKNOWN";
- BIO_printf(STDout, "%s - ", nm);
+ BIO_printf(bio_out, "%s - ", nm);
}
#endif
- BIO_puts(STDout, SSL_CIPHER_description(c, buf, sizeof buf));
+ BIO_puts(bio_out, SSL_CIPHER_description(c, buf, sizeof buf));
}
}
ret = 0;
- if (0) {
+ goto end;
err:
- SSL_load_error_strings();
- ERR_print_errors(bio_err);
- }
+ ERR_print_errors(bio_err);
end:
- if (use_supported && sk)
+ if (use_supported)
sk_SSL_CIPHER_free(sk);
SSL_CTX_free(ctx);
SSL_free(ssl);
- BIO_free_all(STDout);
- apps_shutdown();
- OPENSSL_EXIT(ret);
+ return (ret);
}