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author | Adam Langley <agl@google.com> | 2015-01-22 14:27:53 -0800 |
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committer | Adam Langley <agl@google.com> | 2015-01-30 16:52:14 -0800 |
commit | d9e397b599b13d642138480a28c14db7a136bf05 (patch) | |
tree | 34bab61dc4ce323b123ad4614dbc07e86ea2f9ef /src/ssl/ssl_test.c | |
download | external_boringssl-d9e397b599b13d642138480a28c14db7a136bf05.zip external_boringssl-d9e397b599b13d642138480a28c14db7a136bf05.tar.gz external_boringssl-d9e397b599b13d642138480a28c14db7a136bf05.tar.bz2 |
Initial commit of BoringSSL for Android.
Diffstat (limited to 'src/ssl/ssl_test.c')
-rw-r--r-- | src/ssl/ssl_test.c | 456 |
1 files changed, 456 insertions, 0 deletions
diff --git a/src/ssl/ssl_test.c b/src/ssl/ssl_test.c new file mode 100644 index 0000000..70291a2 --- /dev/null +++ b/src/ssl/ssl_test.c @@ -0,0 +1,456 @@ +/* Copyright (c) 2014, Google Inc. + * + * Permission to use, copy, modify, and/or 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 <stdio.h> +#include <string.h> + +#include <openssl/base64.h> +#include <openssl/bio.h> +#include <openssl/err.h> +#include <openssl/ssl.h> + +typedef struct { + int id; + int in_group_flag; +} EXPECTED_CIPHER; + +typedef struct { + /* The rule string to apply. */ + const char *rule; + /* The list of expected ciphers, in order, terminated with -1. */ + const EXPECTED_CIPHER *expected; +} CIPHER_TEST; + +/* Selecting individual ciphers should work. */ +static const char kRule1[] = + "ECDHE-ECDSA-CHACHA20-POLY1305:" + "ECDHE-RSA-CHACHA20-POLY1305:" + "ECDHE-ECDSA-AES128-GCM-SHA256:" + "ECDHE-RSA-AES128-GCM-SHA256"; + +static const EXPECTED_CIPHER kExpected1[] = { + { TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305, 0 }, + { TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, 0 }, + { TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0 }, + { TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0 }, + { -1, -1 }, +}; + +/* + reorders selected ciphers to the end, keeping their relative + * order. */ +static const char kRule2[] = + "ECDHE-ECDSA-CHACHA20-POLY1305:" + "ECDHE-RSA-CHACHA20-POLY1305:" + "ECDHE-ECDSA-AES128-GCM-SHA256:" + "ECDHE-RSA-AES128-GCM-SHA256:" + "+aRSA"; + +static const EXPECTED_CIPHER kExpected2[] = { + { TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305, 0 }, + { TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0 }, + { TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, 0 }, + { TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0 }, + { -1, -1 }, +}; + +/* ! banishes ciphers from future selections. */ +static const char kRule3[] = + "!aRSA:" + "ECDHE-ECDSA-CHACHA20-POLY1305:" + "ECDHE-RSA-CHACHA20-POLY1305:" + "ECDHE-ECDSA-AES128-GCM-SHA256:" + "ECDHE-RSA-AES128-GCM-SHA256"; + +static const EXPECTED_CIPHER kExpected3[] = { + { TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305, 0 }, + { TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0 }, + { -1, -1 }, +}; + +/* Multiple masks can be ANDed in a single rule. */ +static const char kRule4[] = "kRSA+AESGCM+AES128"; + +static const EXPECTED_CIPHER kExpected4[] = { + { TLS1_CK_RSA_WITH_AES_128_GCM_SHA256, 0 }, + { -1, -1 }, +}; + +/* - removes selected ciphers, but preserves their order for future + * selections. Select AES_128_GCM, but order the key exchanges RSA, + * DHE_RSA, ECDHE_RSA. */ +static const char kRule5[] = + "ALL:-kEECDH:-kEDH:-kRSA:-ALL:" + "AESGCM+AES128+aRSA"; + +static const EXPECTED_CIPHER kExpected5[] = { + { TLS1_CK_RSA_WITH_AES_128_GCM_SHA256, 0 }, + { TLS1_CK_DHE_RSA_WITH_AES_128_GCM_SHA256, 0 }, + { TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0 }, + { -1, -1 }, +}; + +/* Unknown selectors are no-ops. */ +static const char kRule6[] = + "ECDHE-ECDSA-CHACHA20-POLY1305:" + "ECDHE-RSA-CHACHA20-POLY1305:" + "ECDHE-ECDSA-AES128-GCM-SHA256:" + "ECDHE-RSA-AES128-GCM-SHA256:" + "BOGUS1:-BOGUS2:+BOGUS3:!BOGUS4"; + +static const EXPECTED_CIPHER kExpected6[] = { + { TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305, 0 }, + { TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, 0 }, + { TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0 }, + { TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0 }, + { -1, -1 }, +}; + +/* Square brackets specify equi-preference groups. */ +static const char kRule7[] = + "[ECDHE-ECDSA-CHACHA20-POLY1305|ECDHE-ECDSA-AES128-GCM-SHA256]:" + "[ECDHE-RSA-CHACHA20-POLY1305]:" + "ECDHE-RSA-AES128-GCM-SHA256"; + +static const EXPECTED_CIPHER kExpected7[] = { + { TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305, 1 }, + { TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0 }, + { TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, 0 }, + { TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0 }, + { -1, -1 }, +}; + +/* @STRENGTH performs a stable strength-sort of the selected + * ciphers and only the selected ciphers. */ +static const char kRule8[] = + /* To simplify things, banish all but {ECDHE_RSA,RSA} x + * {CHACHA20,AES_256_CBC,AES_128_CBC,RC4} x SHA1. */ + "!kEDH:!AESGCM:!3DES:!SHA256:!MD5:!SHA384:" + /* Order some ciphers backwards by strength. */ + "ALL:-CHACHA20:-AES256:-AES128:-RC4:-ALL:" + /* Select ECDHE ones and sort them by strength. Ties should resolve + * based on the order above. */ + "kEECDH:@STRENGTH:-ALL:" + /* Now bring back everything uses RSA. ECDHE_RSA should be first, + * sorted by strength. Then RSA, backwards by strength. */ + "aRSA"; + +static const EXPECTED_CIPHER kExpected8[] = { + { TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA, 0 }, + { TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, 0 }, + { TLS1_CK_ECDHE_RSA_WITH_RC4_128_SHA, 0 }, + { TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA, 0 }, + { SSL3_CK_RSA_RC4_128_SHA, 0 }, + { TLS1_CK_RSA_WITH_AES_128_SHA, 0 }, + { TLS1_CK_RSA_WITH_AES_256_SHA, 0 }, + { -1, -1 }, +}; + +static CIPHER_TEST kCipherTests[] = { + { kRule1, kExpected1 }, + { kRule2, kExpected2 }, + { kRule3, kExpected3 }, + { kRule4, kExpected4 }, + { kRule5, kExpected5 }, + { kRule6, kExpected6 }, + { kRule7, kExpected7 }, + { kRule8, kExpected8 }, + { NULL, NULL }, +}; + +static const char *kBadRules[] = { + /* Invalid brackets. */ + "[ECDHE-RSA-CHACHA20-POLY1305|ECDHE-RSA-AES128-GCM-SHA256", + "RSA]", + "[[RSA]]", + /* Operators inside brackets */ + "[+RSA]", + /* Unknown directive. */ + "@BOGUS", + /* Empty cipher lists error at SSL_CTX_set_cipher_list. */ + "", + "BOGUS", + /* Invalid command. */ + "?BAR", + /* Special operators are not allowed if groups are used. */ + "[ECDHE-RSA-CHACHA20-POLY1305|ECDHE-RSA-AES128-GCM-SHA256]:+FOO", + "[ECDHE-RSA-CHACHA20-POLY1305|ECDHE-RSA-AES128-GCM-SHA256]:!FOO", + "[ECDHE-RSA-CHACHA20-POLY1305|ECDHE-RSA-AES128-GCM-SHA256]:-FOO", + "[ECDHE-RSA-CHACHA20-POLY1305|ECDHE-RSA-AES128-GCM-SHA256]:@STRENGTH", + NULL, +}; + +static void print_cipher_preference_list( + struct ssl_cipher_preference_list_st *list) { + size_t i; + int in_group = 0; + for (i = 0; i < sk_SSL_CIPHER_num(list->ciphers); i++) { + const SSL_CIPHER *cipher = sk_SSL_CIPHER_value(list->ciphers, i); + if (!in_group && list->in_group_flags[i]) { + fprintf(stderr, "\t[\n"); + in_group = 1; + } + fprintf(stderr, "\t"); + if (in_group) { + fprintf(stderr, " "); + } + fprintf(stderr, "%s\n", SSL_CIPHER_get_name(cipher)); + if (in_group && !list->in_group_flags[i]) { + fprintf(stderr, "\t]\n"); + in_group = 0; + } + } +} + +static int test_cipher_rule(CIPHER_TEST *t) { + int ret = 0; + SSL_CTX *ctx = SSL_CTX_new(SSLv23_server_method()); + size_t i; + + if (!SSL_CTX_set_cipher_list(ctx, t->rule)) { + fprintf(stderr, "Error testing cipher rule '%s'\n", t->rule); + BIO_print_errors_fp(stderr); + goto done; + } + + /* Compare the two lists. */ + for (i = 0; i < sk_SSL_CIPHER_num(ctx->cipher_list->ciphers); i++) { + const SSL_CIPHER *cipher = + sk_SSL_CIPHER_value(ctx->cipher_list->ciphers, i); + if (t->expected[i].id != SSL_CIPHER_get_id(cipher) || + t->expected[i].in_group_flag != ctx->cipher_list->in_group_flags[i]) { + fprintf(stderr, "Error: cipher rule '%s' evaluted to:\n", t->rule); + print_cipher_preference_list(ctx->cipher_list); + goto done; + } + } + + if (t->expected[i].id != -1) { + fprintf(stderr, "Error: cipher rule '%s' evaluted to:\n", t->rule); + print_cipher_preference_list(ctx->cipher_list); + goto done; + } + + ret = 1; +done: + SSL_CTX_free(ctx); + return ret; +} + +static int test_cipher_rules(void) { + size_t i; + for (i = 0; kCipherTests[i].rule != NULL; i++) { + if (!test_cipher_rule(&kCipherTests[i])) { + return 0; + } + } + + for (i = 0; kBadRules[i] != NULL; i++) { + SSL_CTX *ctx = SSL_CTX_new(SSLv23_server_method()); + if (SSL_CTX_set_cipher_list(ctx, kBadRules[i])) { + fprintf(stderr, "Cipher rule '%s' unexpectedly succeeded\n", kBadRules[i]); + return 0; + } + ERR_clear_error(); + SSL_CTX_free(ctx); + } + + return 1; +} + +/* kOpenSSLSession is a serialized SSL_SESSION generated from openssl + * s_client -sess_out. */ +static const char kOpenSSLSession[] = + "MIIFpQIBAQICAwMEAsAvBCAG5Q1ndq4Yfmbeo1zwLkNRKmCXGdNgWvGT3cskV0yQ" + "kAQwJlrlzkAWBOWiLj/jJ76D7l+UXoizP2KI2C7I2FccqMmIfFmmkUy32nIJ0mZH" + "IWoJoQYCBFRDO46iBAICASyjggR6MIIEdjCCA16gAwIBAgIIK9dUvsPWSlUwDQYJ" + "KoZIhvcNAQEFBQAwSTELMAkGA1UEBhMCVVMxEzARBgNVBAoTCkdvb2dsZSBJbmMx" + "JTAjBgNVBAMTHEdvb2dsZSBJbnRlcm5ldCBBdXRob3JpdHkgRzIwHhcNMTQxMDA4" + "MTIwNzU3WhcNMTUwMTA2MDAwMDAwWjBoMQswCQYDVQQGEwJVUzETMBEGA1UECAwK" + "Q2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzETMBEGA1UECgwKR29v" + "Z2xlIEluYzEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20wggEiMA0GCSqGSIb3DQEB" + "AQUAA4IBDwAwggEKAoIBAQCcKeLrplAC+Lofy8t/wDwtB6eu72CVp0cJ4V3lknN6" + "huH9ct6FFk70oRIh/VBNBBz900jYy+7111Jm1b8iqOTQ9aT5C7SEhNcQFJvqzH3e" + "MPkb6ZSWGm1yGF7MCQTGQXF20Sk/O16FSjAynU/b3oJmOctcycWYkY0ytS/k3LBu" + "Id45PJaoMqjB0WypqvNeJHC3q5JjCB4RP7Nfx5jjHSrCMhw8lUMW4EaDxjaR9KDh" + "PLgjsk+LDIySRSRDaCQGhEOWLJZVLzLo4N6/UlctCHEllpBUSvEOyFga52qroGjg" + "rf3WOQ925MFwzd6AK+Ich0gDRg8sQfdLH5OuP1cfLfU1AgMBAAGjggFBMIIBPTAd" + "BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwGQYDVR0RBBIwEIIOd3d3Lmdv" + "b2dsZS5jb20waAYIKwYBBQUHAQEEXDBaMCsGCCsGAQUFBzAChh9odHRwOi8vcGtp" + "Lmdvb2dsZS5jb20vR0lBRzIuY3J0MCsGCCsGAQUFBzABhh9odHRwOi8vY2xpZW50" + "czEuZ29vZ2xlLmNvbS9vY3NwMB0GA1UdDgQWBBQ7a+CcxsZByOpc+xpYFcIbnUMZ" + "hTAMBgNVHRMBAf8EAjAAMB8GA1UdIwQYMBaAFErdBhYbvPZotXb1gba7Yhq6WoEv" + "MBcGA1UdIAQQMA4wDAYKKwYBBAHWeQIFATAwBgNVHR8EKTAnMCWgI6Ahhh9odHRw" + "Oi8vcGtpLmdvb2dsZS5jb20vR0lBRzIuY3JsMA0GCSqGSIb3DQEBBQUAA4IBAQCa" + "OXCBdoqUy5bxyq+Wrh1zsyyCFim1PH5VU2+yvDSWrgDY8ibRGJmfff3r4Lud5kal" + "dKs9k8YlKD3ITG7P0YT/Rk8hLgfEuLcq5cc0xqmE42xJ+Eo2uzq9rYorc5emMCxf" + "5L0TJOXZqHQpOEcuptZQ4OjdYMfSxk5UzueUhA3ogZKRcRkdB3WeWRp+nYRhx4St" + "o2rt2A0MKmY9165GHUqMK9YaaXHDXqBu7Sefr1uSoAP9gyIJKeihMivsGqJ1TD6Z" + "cc6LMe+dN2P8cZEQHtD1y296ul4Mivqk3jatUVL8/hCwgch9A8O4PGZq9WqBfEWm" + "IyHh1dPtbg1lOXdYCWtjpAIEAKUDAgEUqQUCAwGJwKqBpwSBpBwUQvoeOk0Kg36S" + "YTcLEkXqKwOBfF9vE4KX0NxeLwjcDTpsuh3qXEaZ992r1N38VDcyS6P7I6HBYN9B" + "sNHM362zZnY27GpTw+Kwd751CLoXFPoaMOe57dbBpXoro6Pd3BTbf/Tzr88K06yE" + "OTDKPNj3+inbMaVigtK4PLyPq+Topyzvx9USFgRvyuoxn0Hgb+R0A3j6SLRuyOdA" + "i4gv7Y5oliyn"; + +/* kCustomSession is a custom serialized SSL_SESSION generated by + * filling in missing fields from |kOpenSSLSession|. This includes + * providing |peer_sha256|, so |peer| is not serialized. */ +static const char kCustomSession[] = + "MIIBdgIBAQICAwMEAsAvBCAG5Q1ndq4Yfmbeo1zwLkNRKmCXGdNgWvGT3cskV0yQ" + "kAQwJlrlzkAWBOWiLj/jJ76D7l+UXoizP2KI2C7I2FccqMmIfFmmkUy32nIJ0mZH" + "IWoJoQYCBFRDO46iBAICASykAwQBAqUDAgEUphAEDnd3dy5nb29nbGUuY29tqAcE" + "BXdvcmxkqQUCAwGJwKqBpwSBpBwUQvoeOk0Kg36SYTcLEkXqKwOBfF9vE4KX0Nxe" + "LwjcDTpsuh3qXEaZ992r1N38VDcyS6P7I6HBYN9BsNHM362zZnY27GpTw+Kwd751" + "CLoXFPoaMOe57dbBpXoro6Pd3BTbf/Tzr88K06yEOTDKPNj3+inbMaVigtK4PLyP" + "q+Topyzvx9USFgRvyuoxn0Hgb+R0A3j6SLRuyOdAi4gv7Y5oliynrSIEIAYGBgYG" + "BgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGrgMEAQevAwQBBLADBAEF"; + +static int decode_base64(uint8_t **out, size_t *out_len, const char *in) { + size_t len; + + if (!EVP_DecodedLength(&len, strlen(in))) { + fprintf(stderr, "EVP_DecodedLength failed\n"); + return 0; + } + + *out = OPENSSL_malloc(len); + if (*out == NULL) { + fprintf(stderr, "malloc failed\n"); + return 0; + } + + if (!EVP_DecodeBase64(*out, out_len, len, (const uint8_t *)in, + strlen(in))) { + fprintf(stderr, "EVP_DecodeBase64 failed\n"); + OPENSSL_free(*out); + *out = NULL; + return 0; + } + return 1; +} + +static int test_ssl_session_asn1(const char *input_b64) { + int ret = 0, len; + size_t input_len, encoded_len; + uint8_t *input = NULL, *encoded = NULL; + const uint8_t *cptr; + uint8_t *ptr; + SSL_SESSION *session = NULL; + + /* Decode the input. */ + if (!decode_base64(&input, &input_len, input_b64)) { + goto done; + } + + /* Verify the SSL_SESSION decodes. */ + cptr = input; + session = d2i_SSL_SESSION(NULL, &cptr, input_len); + if (session == NULL || cptr != input + input_len) { + fprintf(stderr, "d2i_SSL_SESSION failed\n"); + goto done; + } + + /* Verify the SSL_SESSION encoding round-trips. */ + if (!SSL_SESSION_to_bytes(session, &encoded, &encoded_len)) { + fprintf(stderr, "SSL_SESSION_to_bytes failed\n"); + goto done; + } + if (encoded_len != input_len || + memcmp(input, encoded, input_len) != 0) { + fprintf(stderr, "SSL_SESSION_to_bytes did not round-trip\n"); + goto done; + } + OPENSSL_free(encoded); + encoded = NULL; + + /* Verify the SSL_SESSION encoding round-trips via the legacy API. */ + len = i2d_SSL_SESSION(session, NULL); + if (len < 0 || (size_t)len != input_len) { + fprintf(stderr, "i2d_SSL_SESSION(NULL) returned invalid length\n"); + goto done; + } + + encoded = OPENSSL_malloc(input_len); + if (encoded == NULL) { + fprintf(stderr, "malloc failed\n"); + goto done; + } + ptr = encoded; + len = i2d_SSL_SESSION(session, &ptr); + if (len < 0 || (size_t)len != input_len) { + fprintf(stderr, "i2d_SSL_SESSION returned invalid length\n"); + goto done; + } + if (ptr != encoded + input_len) { + fprintf(stderr, "i2d_SSL_SESSION did not advance ptr correctly\n"); + goto done; + } + if (memcmp(input, encoded, input_len) != 0) { + fprintf(stderr, "i2d_SSL_SESSION did not round-trip\n"); + goto done; + } + + ret = 1; + + done: + if (!ret) { + BIO_print_errors_fp(stderr); + } + + if (session) { + SSL_SESSION_free(session); + } + if (input) { + OPENSSL_free(input); + } + if (encoded) { + OPENSSL_free(encoded); + } + return ret; +} + +int test_default_version(uint16_t version, const SSL_METHOD *(*method)(void)) { + SSL_CTX *ctx; + int ret; + + ctx = SSL_CTX_new(method()); + if (ctx == NULL) { + return 0; + } + + ret = ctx->min_version == version && ctx->max_version == version; + SSL_CTX_free(ctx); + return ret; +} + +int main(void) { + SSL_library_init(); + + if (!test_cipher_rules() || + !test_ssl_session_asn1(kOpenSSLSession) || + !test_ssl_session_asn1(kCustomSession) || + !test_default_version(0, &TLS_method) || + !test_default_version(SSL3_VERSION, &SSLv3_method) || + !test_default_version(TLS1_VERSION, &TLSv1_method) || + !test_default_version(TLS1_1_VERSION, &TLSv1_1_method) || + !test_default_version(TLS1_2_VERSION, &TLSv1_2_method) || + !test_default_version(0, &DTLS_method) || + !test_default_version(DTLS1_VERSION, &DTLSv1_method) || + !test_default_version(DTLS1_2_VERSION, &DTLSv1_2_method)) { + return 1; + } + + printf("PASS\n"); + return 0; +} |