diff options
Diffstat (limited to 'openssl-1.1.0h/apps/ciphers.c')
| -rw-r--r-- | openssl-1.1.0h/apps/ciphers.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/openssl-1.1.0h/apps/ciphers.c b/openssl-1.1.0h/apps/ciphers.c new file mode 100644 index 0000000..e1b5b25 --- /dev/null +++ b/openssl-1.1.0h/apps/ciphers.c @@ -0,0 +1,242 @@ +/* + * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "apps.h" +#include <openssl/err.h> +#include <openssl/ssl.h> + +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_SRP, + OPT_V, OPT_UPPER_V, OPT_S +} OPTION_CHOICE; + +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 +#ifndef OPENSSL_NO_SRP + {"srp", OPT_SRP, '-', "include ciphersuites requiring SRP"}, +#endif + {NULL} +}; + +#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 +#ifndef OPENSSL_NO_SRP +static char *dummy_srp(SSL *ssl, void *arg) +{ + return ""; +} +#endif + +int ciphers_main(int argc, char **argv) +{ + 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 +#ifndef OPENSSL_NO_PSK + int psk = 0; +#endif +#ifndef OPENSSL_NO_SRP + int srp = 0; +#endif + const char *p; + char *ciphers = NULL, *prog; + char buf[512]; + OPTION_CHOICE o; + int min_version = 0, max_version = 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; + break; + case OPT_UPPER_V: + verbose = Verbose = 1; + break; + case OPT_S: + use_supported = 1; + break; + case OPT_STDNAME: +#ifndef OPENSSL_NO_SSL_TRACE + stdname = verbose = 1; +#endif + break; + case OPT_SSL3: + min_version = SSL3_VERSION; + max_version = SSL3_VERSION; + break; + case OPT_TLS1: + min_version = TLS1_VERSION; + max_version = TLS1_VERSION; + break; + case OPT_TLS1_1: + min_version = TLS1_1_VERSION; + max_version = TLS1_1_VERSION; + break; + case OPT_TLS1_2: + min_version = TLS1_2_VERSION; + max_version = TLS1_2_VERSION; + break; + case OPT_PSK: +#ifndef OPENSSL_NO_PSK + psk = 1; +#endif + break; + case OPT_SRP: +#ifndef OPENSSL_NO_SRP + srp = 1; +#endif + break; + } + } + argv = opt_rest(); + argc = opt_num_rest(); + + if (argc == 1) + ciphers = *argv; + else if (argc != 0) + goto opthelp; + + ctx = SSL_CTX_new(meth); + if (ctx == NULL) + goto err; + if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0) + goto err; + if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0) + goto err; + +#ifndef OPENSSL_NO_PSK + if (psk) + SSL_CTX_set_psk_client_callback(ctx, dummy_psk); +#endif +#ifndef OPENSSL_NO_SRP + if (srp) + SSL_CTX_set_srp_client_pwd_callback(ctx, dummy_srp); +#endif + if (ciphers != NULL) { + if (!SSL_CTX_set_cipher_list(ctx, ciphers)) { + BIO_printf(bio_err, "Error in cipher list\n"); + goto err; + } + } + ssl = SSL_new(ctx); + if (ssl == NULL) + goto err; + + if (use_supported) + sk = SSL_get1_supported_ciphers(ssl); + else + sk = SSL_get_ciphers(ssl); + + if (!verbose) { + for (i = 0; i < sk_SSL_CIPHER_num(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(bio_out, ":"); + BIO_printf(bio_out, "%s", p); + } + BIO_printf(bio_out, "\n"); + } else { + + for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) { + const SSL_CIPHER *c; + + c = sk_SSL_CIPHER_value(sk, i); + + if (Verbose) { + unsigned long id = SSL_CIPHER_get_id(c); + int id0 = (int)(id >> 24); + int id1 = (int)((id >> 16) & 0xffL); + int id2 = (int)((id >> 8) & 0xffL); + int id3 = (int)(id & 0xffL); + + 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(bio_out, "%s - ", nm); + } +#endif + BIO_puts(bio_out, SSL_CIPHER_description(c, buf, sizeof(buf))); + } + } + + ret = 0; + goto end; + err: + ERR_print_errors(bio_err); + end: + if (use_supported) + sk_SSL_CIPHER_free(sk); + SSL_CTX_free(ctx); + SSL_free(ssl); + return (ret); +} |