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Diffstat (limited to '')
| -rw-r--r-- | tests/prf.c | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/tests/prf.c b/tests/prf.c new file mode 100644 index 0000000..02a174d --- /dev/null +++ b/tests/prf.c @@ -0,0 +1,477 @@ +/* + * Copyright (C) 2015 Red Hat, Inc. + * + * This file is part of GnuTLS. + * + * GnuTLS is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * GnuTLS is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GnuTLS; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> + +#if defined(_WIN32) || !defined(ENABLE_ALPN) + +int main(int argc, char **argv) +{ + exit(77); +} + +#else + +#include <string.h> +#include <sys/types.h> +#include <netinet/in.h> +#include <sys/socket.h> +#include <sys/wait.h> +#include <arpa/inet.h> +#include <unistd.h> +#include <signal.h> +#include <gnutls/gnutls.h> +#include <gnutls/dtls.h> + +#include "utils.h" + +static void terminate(void); + +/* This program tests whether the gnutls_prf() works as + * expected. + */ + +static void server_log_func(int level, const char *str) +{ + fprintf(stderr, "server|<%d>| %s", level, str); +} + +static void client_log_func(int level, const char *str) +{ + fprintf(stderr, "client|<%d>| %s", level, str); +} + +/* These are global */ +static pid_t child; + +static unsigned char server_cert_pem[] = +"-----BEGIN CERTIFICATE-----\n" +"MIIDIzCCAgugAwIBAgIMUz8PCR2sdRK56V6OMA0GCSqGSIb3DQEBCwUAMA8xDTAL\n" +"BgNVBAMTBENBLTEwIhgPMjAxNDA0MDQxOTU5MDVaGA85OTk5MTIzMTIzNTk1OVow\n" +"EzERMA8GA1UEAxMIc2VydmVyLTIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK\n" +"AoIBAQDZ3dCzh9gOTOiOb2dtrPu91fYYgC/ey0ACYjQxaru7FZwnuXPhQK9KHsIV\n" +"YRIyo49wjKZddkHet2sbpFAAeETZh8UUWLRb/mupyaSJMycaYCNjLZCUJTztvXxJ\n" +"CCNfbtgvKC+Vu1mu94KBPatslgvnsamH7AiL5wmwRRqdH/Z93XaEvuRG6Zk0Sh9q\n" +"ZMdCboGfjtmGEJ1V+z5CR+IyH4sckzd8WJW6wBSEwgliGaXnc75xKtFWBZV2njNr\n" +"8V1TOYOdLEbiF4wduVExL5TKq2ywNkRpUfK2I1BcWS5D9Te/QT7aSdE08rL6ztmZ\n" +"IhILSrMOfoLnJ4lzXspz3XLlEuhnAgMBAAGjdzB1MAwGA1UdEwEB/wQCMAAwFAYD\n" +"VR0RBA0wC4IJbG9jYWxob3N0MA8GA1UdDwEB/wQFAwMHoAAwHQYDVR0OBBYEFJXR\n" +"raRS5MVhEqaRE42A3S2BIj7UMB8GA1UdIwQYMBaAFP6S7AyMRO2RfkANgo8YsCl8\n" +"JfJkMA0GCSqGSIb3DQEBCwUAA4IBAQCQ62+skMVZYrGbpab8RI9IG6xH8kEndvFj\n" +"J7wBBZCOlcjOj+HQ7a2buF5zGKRwAOSznKcmvZ7l5DPdsd0t5/VT9LKSbQ6+CfGr\n" +"Xs5qPaDJnRhZkOILCvXJ9qyO+79WNMsg9pWnxkTK7aWR5OYE+1Qw1jG681HMkWTm\n" +"nt7et9bdiNNpvA+L55569XKbdtJLs3hn5gEQFgS7EaEj59aC4vzSTFcidowCoa43\n" +"7JmfSfC9YaAIFH2vriyU0QNf2y7cG5Hpkge+U7uMzQrsT77Q3SDB9WkyPAFNSB4Q\n" +"B/r+OtZXOnQhLlMV7h4XGlWruFEaOBVjFHSdMGUh+DtaLvd1bVXI\n" +"-----END CERTIFICATE-----\n" +"-----BEGIN CERTIFICATE-----\n" +"MIIDATCCAemgAwIBAgIBATANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwRDQS0w\n" +"MCIYDzIwMTQwNDA0MTk1OTA1WhgPOTk5OTEyMzEyMzU5NTlaMA8xDTALBgNVBAMT\n" +"BENBLTEwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDvhyQfsUm3T0xK\n" +"jiBXO3H6Y27b7lmCRYZQCmXCl2sUsGDL7V9biavTt3+sorWtH542/cTGDh5n8591\n" +"7rVxAB/VASmN55O3fjZyFGrjusjhXBla0Yxe5rZ/7/Pjrq84T7gc/IXiX9Sums/c\n" +"o9AeoykfhsjV2ubhh4h+8uPsHDTcAFTxq3mQaoldwnW2nmjDFzaKLtQdnyFf41o6\n" +"nsJCK/J9PtpdCID5Zb+eQfu5Yhk1iUHe8a9TOstCHtgBq61YzufDHUQk3zsT+VZM\n" +"20lDvSBnHdWLjxoea587JbkvtH8xRR8ThwABSb98qPnhJ8+A7mpO89QO1wxZM85A\n" +"xEweQlMHAgMBAAGjZDBiMA8GA1UdEwEB/wQFMAMBAf8wDwYDVR0PAQH/BAUDAwcE\n" +"ADAdBgNVHQ4EFgQU/pLsDIxE7ZF+QA2CjxiwKXwl8mQwHwYDVR0jBBgwFoAUGD0R\n" +"Yr2H7kfjQUcBMxSTCDQnhu0wDQYJKoZIhvcNAQELBQADggEBANEXLUV+Z1PGTn7M\n" +"3rPT/m/EamcrZJ3vFWrnfN91ws5llyRUKNhx6222HECh3xRSxH9YJONsbv2zY6sd\n" +"ztY7lvckL4xOgWAjoCVTx3hqbZjDxpLRsvraw1PlqBHlRQVWLKlEQ55+tId2zgMX\n" +"Z+wxM7FlU/6yWVPODIxrqYQd2KqaEp4aLIklw6Hi4HD6DnQJikjsJ6Noe0qyX1Tx\n" +"uZ8mgP/G47Fe2d2H29kJ1iJ6hp1XOqyWrVIh/jONcnTvWS8aMqS3MU0EJH2Pb1Qa\n" +"KGIvbd/3H9LykFTP/b7Imdv2fZxXIK8jC+jbF1w6rdBCVNA0p30X/jonoC3vynEK\n" +"5cK0cgs=\n" +"-----END CERTIFICATE-----\n"; + +const gnutls_datum_t server_cert = { server_cert_pem, + sizeof(server_cert_pem) +}; + +static unsigned char server_key_pem[] = +"-----BEGIN RSA PRIVATE KEY-----\n" +"MIIEpQIBAAKCAQEA2d3Qs4fYDkzojm9nbaz7vdX2GIAv3stAAmI0MWq7uxWcJ7lz\n" +"4UCvSh7CFWESMqOPcIymXXZB3rdrG6RQAHhE2YfFFFi0W/5rqcmkiTMnGmAjYy2Q\n" +"lCU87b18SQgjX27YLygvlbtZrveCgT2rbJYL57Gph+wIi+cJsEUanR/2fd12hL7k\n" +"RumZNEofamTHQm6Bn47ZhhCdVfs+QkfiMh+LHJM3fFiVusAUhMIJYhml53O+cSrR\n" +"VgWVdp4za/FdUzmDnSxG4heMHblRMS+UyqtssDZEaVHytiNQXFkuQ/U3v0E+2knR\n" +"NPKy+s7ZmSISC0qzDn6C5yeJc17Kc91y5RLoZwIDAQABAoIBAQCRXAu5HPOsZufq\n" +"0K2DYZz9BdqSckR+M8HbVUZZiksDAeIUJwoHyi6qF2eK+B86JiK4Bz+gsBw2ys3t\n" +"vW2bQqM9N/boIl8D2fZfbCgZWkXGtUonC+mgzk+el4Rq/cEMFVqr6/YDwuKNeJpc\n" +"PJc5dcsvpTvlcjgpj9bJAvJEz2SYiIUpvtG4WNMGGapVZZPDvWn4/isY+75T5oDf\n" +"1X5jG0lN9uoUjcuGuThN7gxjwlRkcvEOPHjXc6rxfrWIDdiz/91V46PwpqVDpRrg\n" +"ig6U7+ckS0Oy2v32x0DaDhwAfDJ2RNc9az6Z+11lmY3LPkjG/p8Klcmgvt4/lwkD\n" +"OYRC5QGRAoGBAPFdud6nmVt9h1DL0o4R6snm6P3K81Ds765VWVmpzJkK3+bwe4PQ\n" +"GQQ0I0zN4hXkDMwHETS+EVWllqkK/d4dsE3volYtyTti8zthIATlgSEJ81x/ChAQ\n" +"vvXxgx+zPUnb1mUwy+X+6urTHe4bxN2ypg6ROIUmT+Hx1ITG40LRRiPTAoGBAOcT\n" +"WR8DTrj42xbxAUpz9vxJ15ZMwuIpk3ShE6+CWqvaXHF22Ju4WFwRNlW2zVLH6UMt\n" +"nNfOzyDoryoiu0+0mg0wSmgdJbtCSHoI2GeiAnjGn5i8flQlPQ8bdwwmU6g6I/EU\n" +"QRbGK/2XLmlrGN52gVy9UX0NsAA5fEOsAJiFj1CdAoGBAN9i3nbq6O2bNVSa/8mL\n" +"XaD1vGe/oQgh8gaIaYSpuXlfbjCAG+C4BZ81XgJkfj3CbfGbDNqimsqI0fKsAJ/F\n" +"HHpVMgrOn3L+Np2bW5YMj0Fzwy+1SCvsQ8C+gJwjOLMV6syGp/+6udMSB55rRv3k\n" +"rPnIf+YDumUke4tTw9wAcgkPAoGASHMkiji7QfuklbjSsslRMyDj21gN8mMevH6U\n" +"cX7pduBsA5dDqu9NpPAwnQdHsSDE3i868d8BykuqQAfLut3hPylY6vPYlLHfj4Oe\n" +"dj+xjrSX7YeMBE34qvfth32s1R4FjtzO25keyc/Q2XSew4FcZftlxVO5Txi3AXC4\n" +"bxnRKXECgYEAva+og7/rK+ZjboJVNxhFrwHp9bXhz4tzrUaWNvJD2vKJ5ZcThHcX\n" +"zCig8W7eXHLPLDhi9aWZ3kUZ1RLhrFc/6dujtVtU9z2w1tmn1I+4Zi6D6L4DzKdg\n" +"nMRLFoXufs/qoaJTqa8sQvKa+ceJAF04+gGtw617cuaZdZ3SYRLR2dk=\n" +"-----END RSA PRIVATE KEY-----\n"; + +const gnutls_datum_t server_key = { server_key_pem, + sizeof(server_key_pem) +}; + +static const +gnutls_datum_t hrnd = {(void*)"\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32}; +static const +gnutls_datum_t hsrnd = {(void*)"\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32}; + +static void dump(const char *name, const uint8_t *data, unsigned data_size) +{ + unsigned i; + + fprintf(stderr, "%s", name); + for (i=0;i<data_size;i++) + fprintf(stderr, "\\x%.2x", (unsigned)data[i]); + fprintf(stderr, "\n"); +} + +static gnutls_datum_t master = + { (void*)"\x44\x66\x44\xa9\xb6\x29\xed\x6e\xd6\x93\x15\xdb\xf0\x7d\x4b\x2e\x18\xb1\x9d\xed\xff\x6a\x86\x76\xc9\x0e\x16\xab\xc2\x10\xbb\x17\x99\x24\xb1\xd9\xb9\x95\xe7\xea\xea\xea\xea\xea\xff\xaa\xac", 48}; +static gnutls_datum_t sess_id = + { (void*)"\xd9\xb9\x95\xe7\xea", 5}; + +#define TRY(label_size, label, extra_size, extra, size, exp) \ + { \ + ret = gnutls_prf_rfc5705(session, label_size, label, extra_size, extra, size, \ + (void*)key_material); \ + if (ret < 0) { \ + fprintf(stderr, "gnutls_prf_rfc5705: error in %d\n", __LINE__); \ + gnutls_perror(ret); \ + exit(1); \ + } \ + if (memcmp(key_material, exp, size) != 0) { \ + fprintf(stderr, "gnutls_prf_rfc5705: output doesn't match for '%s'\n", label); \ + dump("got ", key_material, size); \ + dump("expected ", exp, size); \ + exit(1); \ + } \ + } + +#define TRY_OLD(label_size, label, extra_size, extra, size, exp) \ + { \ + ret = gnutls_prf(session, label_size, label, 1, extra_size, extra, size, \ + (void*)key_material); \ + if (ret < 0) { \ + fprintf(stderr, "gnutls_prf: error in %d\n", __LINE__); \ + gnutls_perror(ret); \ + exit(1); \ + } \ + if (memcmp(key_material, exp, size) != 0) { \ + fprintf(stderr, "gnutls_prf: output doesn't match for '%s'\n", label); \ + dump("got ", key_material, size); \ + dump("expected ", exp, size); \ + exit(1); \ + } \ + } +static void check_prfs(gnutls_session_t session) +{ + unsigned char key_material[512]; + unsigned char key_material2[512]; + int ret; + + TRY(13, "key expansion", 0, NULL, 34, (uint8_t*)"\xcf\x3e\x1c\x03\x47\x1a\xdf\x4a\x8e\x74\xc6\xda\xcd\xda\x22\xa4\x8e\xa5\xf7\x62\xef\xd6\x47\xe7\x41\x20\xea\x44\xb8\x5d\x66\x87\x0a\x61"); + TRY(6, "hello", 0, NULL, 31, (uint8_t*)"\x83\x6c\xc7\x8e\x1b\x62\xc7\x06\x17\x99\x37\x95\x2e\xb8\x42\x5c\x42\xcd\x75\x65\x2c\xa3\x16\x2b\xab\x0a\xcf\xfc\xc8\x90\x30"); + TRY(7, "context", 5, "abcd\xfa", 31, (uint8_t*)"\x5b\xc7\x72\xe9\xda\xe4\x79\x3e\xfe\x9a\xc5\x6f\xf4\x8d\x5a\xfe\x4c\x8d\x16\xa7\xf0\x13\x13\xf1\x93\xdd\x4b\x43\x65\xc1\x94"); + TRY(12, "null-context", 0, "", 31, (uint8_t*)"\xd7\xb6\xff\x3d\xf7\xbe\x0e\xf2\xd0\xbf\x55\x0b\x56\xac\xfb\x3c\x1d\x5c\xaa\xa8\x71\x45\xf5\xd5\x71\x35\xa2\x35\x83\xc2\xe0"); + + TRY_OLD(6, "hello", 0, NULL, 31, (uint8_t*)"\x53\x35\x9b\x1c\xbf\xf2\x50\x85\xa1\xbc\x42\xfb\x45\x92\xc3\xbe\x20\x24\x24\xe2\xeb\x6e\xf7\x4f\xc0\xee\xe3\xaa\x46\x36\xfd"); + TRY_OLD(7, "context", 5, "abcd\xfa", 31, (uint8_t*)"\x5f\x75\xb7\x61\x76\x4c\x1e\x86\x4b\x7d\x2e\x6c\x09\x91\xfd\x1e\xe6\xe8\xee\xf9\x86\x6a\x80\xfe\xf3\xbe\x96\xd0\x47\xf5\x9e"); + + /* check whether gnutls_prf matches gnutls_prf_rfc5705 when no context is given */ + ret = gnutls_prf(session, 4, "aaaa", 0, 0, NULL, 64, + (void*)key_material); + if (ret < 0) { + fprintf(stderr, "gnutls_prf: error in %d\n", __LINE__); + gnutls_perror(ret); + exit(1); + } + + ret = gnutls_prf_rfc5705(session, 4, "aaaa", 0, NULL, 64, + (void*)key_material2); + if (ret < 0) { + fprintf(stderr, "gnutls_prf_rfc5705: error in %d\n", __LINE__); + gnutls_perror(ret); + exit(1); + } + + if (memcmp(key_material, key_material2, 64) != 0) { + fprintf(stderr, "gnutls_prf: output doesn't match in cross-check\n"); + dump("got1 ", key_material, 64); + dump("got2 ", key_material2, 64); + exit(1); + } +} + +static void client(int fd) +{ + gnutls_session_t session; + int ret; + gnutls_certificate_credentials_t clientx509cred; + const char *err; + /* Need to enable anonymous KX specifically. */ + + global_init(); + + if (debug) { + gnutls_global_set_log_function(client_log_func); + gnutls_global_set_log_level(4711); + } + + gnutls_certificate_allocate_credentials(&clientx509cred); + + /* Initialize TLS session + */ + gnutls_init(&session, GNUTLS_CLIENT); + + ret = gnutls_session_set_premaster(session, GNUTLS_CLIENT, + GNUTLS_TLS1_0, GNUTLS_KX_RSA, + GNUTLS_CIPHER_AES_128_CBC, GNUTLS_MAC_SHA1, + GNUTLS_COMP_NULL, &master, &sess_id); + if (ret < 0) { + fail("client: gnutls_session_set_premaster failed: %s\n", gnutls_strerror(ret)); + exit(1); + } + + /* Use default priorities */ + ret = gnutls_priority_set_direct(session, + "NONE:+VERS-TLS1.0:+AES-128-CBC:+SHA1:+SIGN-ALL:+COMP-NULL:+RSA", + &err); + if (ret < 0) { + fail("client: priority set failed (%s): %s\n", + gnutls_strerror(ret), err); + exit(1); + } + + ret = gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, + clientx509cred); + if (ret < 0) + exit(1); + + gnutls_handshake_set_random(session, &hrnd); + gnutls_transport_set_int(session, fd); + + if (gnutls_prf(session, 4, "aaaa", 0, 0, NULL, sizeof(err), (char *)&err) != + GNUTLS_E_INVALID_REQUEST || + gnutls_prf_rfc5705(session, 4, "aaaa", 0, NULL, sizeof(err), (char *)&err) != + GNUTLS_E_INVALID_REQUEST) { + fprintf(stderr, "unexpected prf error code\n"); + exit(1); + } + + /* Perform the TLS handshake + */ + do { + ret = gnutls_handshake(session); + } + while (ret < 0 && gnutls_error_is_fatal(ret) == 0); + + if (ret < 0) { + fail("client: Handshake failed: %s\n", strerror(ret)); + exit(1); + } else { + if (debug) + success("client: Handshake was completed\n"); + } + + if (debug) + success("client: TLS version is: %s\n", + gnutls_protocol_get_name + (gnutls_protocol_get_version(session))); + + ret = gnutls_cipher_get(session); + if (ret != GNUTLS_CIPHER_AES_128_CBC) { + fprintf(stderr, "negotiated unexpected cipher: %s\n", gnutls_cipher_get_name(ret)); + exit(1); + } + + ret = gnutls_mac_get(session); + if (ret != GNUTLS_MAC_SHA1) { + fprintf(stderr, "negotiated unexpected mac: %s\n", gnutls_mac_get_name(ret)); + exit(1); + } + + ret = gnutls_prf_hash_get(session); + if (ret != GNUTLS_DIG_MD5_SHA1) { + fprintf(stderr, "negotiated unexpected hash: %s\n", gnutls_digest_get_name(ret)); + exit(1); + } + + check_prfs(session); + + gnutls_bye(session, GNUTLS_SHUT_WR); + + close(fd); + + gnutls_deinit(session); + + gnutls_certificate_free_credentials(clientx509cred); + + gnutls_global_deinit(); +} + +static void terminate(void) +{ + int status = 0; + + if (child) { + kill(child, SIGTERM); + wait(&status); + } + exit(1); +} + +static void server(int fd) +{ + int ret; + gnutls_session_t session; + gnutls_certificate_credentials_t serverx509cred; + + /* this must be called once in the program + */ + global_init(); + + if (debug) { + gnutls_global_set_log_function(server_log_func); + gnutls_global_set_log_level(4711); + } + + gnutls_certificate_allocate_credentials(&serverx509cred); + + gnutls_init(&session, GNUTLS_SERVER); + + /* avoid calling all the priority functions, since the defaults + * are adequate. + */ + ret = gnutls_priority_set_direct(session, + "NORMAL:-KX-ALL:+RSA:%NO_SESSION_HASH", NULL); + if (ret < 0) { + fail("server: priority set failed (%s)\n\n", + gnutls_strerror(ret)); + terminate(); + } + + ret = gnutls_session_set_premaster(session, GNUTLS_SERVER, + GNUTLS_TLS1_0, GNUTLS_KX_RSA, + GNUTLS_CIPHER_AES_128_CBC, GNUTLS_MAC_SHA1, + GNUTLS_COMP_NULL, &master, &sess_id); + if (ret < 0) { + fail("server: gnutls_session_set_premaster failed: %s\n", gnutls_strerror(ret)); + exit(1); + } + + gnutls_certificate_set_x509_key_mem(serverx509cred, + &server_cert, &server_key, + GNUTLS_X509_FMT_PEM); + gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, + serverx509cred); + + gnutls_handshake_set_random(session, &hsrnd); + gnutls_transport_set_int(session, fd); + + do { + ret = gnutls_handshake(session); + } + while (ret < 0 && gnutls_error_is_fatal(ret) == 0); + if (ret < 0) { + close(fd); + gnutls_deinit(session); + fail("server: Handshake has failed (%s)\n\n", + gnutls_strerror(ret)); + terminate(); + } + if (debug) + success("server: Handshake was completed\n"); + + if (debug) + success("server: TLS version is: %s\n", + gnutls_protocol_get_name + (gnutls_protocol_get_version(session))); + + /* do not wait for the peer to close the connection. + */ + gnutls_bye(session, GNUTLS_SHUT_WR); + + close(fd); + gnutls_deinit(session); + + gnutls_certificate_free_credentials(serverx509cred); + + gnutls_global_deinit(); + + if (debug) + success("server: finished\n"); +} + +static void start(void) +{ + int fd[2]; + int ret; + + signal(SIGPIPE, SIG_IGN); + + ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fd); + if (ret < 0) { + perror("socketpair"); + exit(1); + } + + child = fork(); + if (child < 0) { + perror("fork"); + fail("fork"); + exit(1); + } + + if (child) { + int status; + /* parent */ + + server(fd[0]); + wait(&status); + check_wait_status(status); + } else { + close(fd[0]); + client(fd[1]); + exit(0); + } +} + +void doit(void) +{ + start(); +} + +#endif /* _WIN32 */ |