/*
- * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
* Copyright 2005 Nokia. All rights reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (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
#endif
#include "apps.h"
+#include "progs.h"
#include <openssl/x509.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/ocsp.h>
#include <openssl/bn.h>
+#include <openssl/trace.h>
#include <openssl/async.h>
#ifndef OPENSSL_NO_SRP
# include <openssl/srp.h>
static int ocsp_resp_cb(SSL *s, void *arg);
#endif
static int ldap_ExtendedResponse_parse(const char *buf, long rem);
+static char *base64encode (const void *buf, size_t len);
+static int is_dNS_name(const char *host);
static int saved_errno;
return 0;
}
- if (key_len == EVP_MD_size(EVP_sha256()))
- cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id);
- else if(key_len == EVP_MD_size(EVP_sha384()))
- cipher = SSL_CIPHER_find(s, tls13_aes256gcmsha384_id);
-
+ /* We default to SHA-256 */
+ cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id);
if (cipher == NULL) {
- /* Doesn't look like a suitable TLSv1.3 key. Ignore it */
+ BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
OPENSSL_free(key);
- *id = NULL;
- *idlen = 0;
- *sess = NULL;
return 0;
}
+
usesess = SSL_SESSION_new();
if (usesess == NULL
|| !SSL_SESSION_set1_master_key(usesess, key, key_len)
int strength; /* minimal size for N */
} SRP_ARG;
-# define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
-
static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
{
BN_CTX *bn_ctx = BN_CTX_new();
BIGNUM *r = BN_new();
int ret =
g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
- BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
+ BN_check_prime(N, bn_ctx, NULL) == 1 &&
p != NULL && BN_rshift1(p, N) &&
/* p = (N-1)/2 */
- BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
+ BN_check_prime(p, bn_ctx, NULL) == 1 &&
r != NULL &&
/* verify g^((N-1)/2) == -1 (mod N) */
BN_mod_exp(r, g, p, N, bn_ctx) &&
#endif
-static char *srtp_profiles = NULL;
-
#ifndef OPENSSL_NO_NEXTPROTONEG
/* This the context that we pass to next_proto_cb */
typedef struct tlsextnextprotoctx_st {
unsigned char ext_buf[4 + 65536];
/* Reconstruct the type/len fields prior to extension data */
- ext_buf[0] = ext_type >> 8;
- ext_buf[1] = ext_type & 0xFF;
- ext_buf[2] = inlen >> 8;
- ext_buf[3] = inlen & 0xFF;
+ inlen &= 0xffff; /* for formal memcmpy correctness */
+ ext_buf[0] = (unsigned char)(ext_type >> 8);
+ ext_buf[1] = (unsigned char)(ext_type);
+ ext_buf[2] = (unsigned char)(inlen >> 8);
+ ext_buf[3] = (unsigned char)(inlen);
memcpy(ext_buf + 4, in, inlen);
BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
- OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
+ OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_BIND, OPT_UNIX,
OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
OPT_SSL3, OPT_SSL_CONFIG,
OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
- OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
- OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
- OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
+ OPT_CERT_CHAIN, OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN,
+ OPT_NEXTPROTONEG, OPT_ALPN,
+ OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
+ OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE, OPT_VERIFYCAFILE,
+ OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST,
- OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
- OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
+ OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES,
+ OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
OPT_V_ENUM,
OPT_X_ENUM,
OPT_S_ENUM,
- OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
+ OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_PROXY_USER, OPT_PROXY_PASS,
+ OPT_DANE_TLSA_DOMAIN,
#ifndef OPENSSL_NO_CT
OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
#endif
OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME,
+ OPT_ENABLE_PHA,
+ OPT_SCTP_LABEL_BUG,
OPT_R_ENUM
} OPTION_CHOICE;
{"port", OPT_PORT, 'p', "Use -connect instead"},
{"connect", OPT_CONNECT, 's',
"TCP/IP where to connect (default is :" PORT ")"},
+ {"bind", OPT_BIND, 's', "bind local address for connection"},
{"proxy", OPT_PROXY, 's',
"Connect to via specified proxy to the real server"},
+ {"proxy_user", OPT_PROXY_USER, 's', "UserID for proxy authentication"},
+ {"proxy_pass", OPT_PROXY_PASS, 's', "Proxy authentication password source"},
#ifdef AF_UNIX
{"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
#endif
{"pass", OPT_PASS, 's', "Private key file pass phrase source"},
{"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
{"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
+ {"CAstore", OPT_CAFILE, ':', "URI to store of CA's"},
{"no-CAfile", OPT_NOCAFILE, '-',
"Do not load the default certificates file"},
{"no-CApath", OPT_NOCAPATH, '-',
"Do not load certificates from the default certificates directory"},
+ {"no-CAstore", OPT_NOCAPATH, '-',
+ "Do not load certificates from the default certificates store"},
{"requestCAfile", OPT_REQCAFILE, '<',
"PEM format file of CA names to send to the server"},
{"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
"Disable name checks when matching DANE-EE(3) TLSA records"},
{"reconnect", OPT_RECONNECT, '-',
"Drop and re-make the connection with the same Session-ID"},
- {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
+ {"showcerts", OPT_SHOWCERTS, '-',
+ "Show all certificates sent by the server"},
{"debug", OPT_DEBUG, '-', "Extra output"},
{"msg", OPT_MSG, '-', "Show protocol messages"},
{"msgfile", OPT_MSGFILE, '>',
OPT_R_OPTIONS,
{"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
{"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
+#ifndef OPENSSL_NO_SRTP
{"use_srtp", OPT_USE_SRTP, 's',
"Offer SRTP key management with a colon-separated profile list"},
+#endif
{"keymatexport", OPT_KEYMATEXPORT, 's',
"Export keying material using label"},
{"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
"Export len bytes of keying material (default 20)"},
+ {"maxfraglen", OPT_MAXFRAGLEN, 'p',
+ "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
{"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
{"name", OPT_PROTOHOST, 's',
"Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
"CA file for certificate chain (PEM format)"},
{"verifyCAfile", OPT_VERIFYCAFILE, '<',
"CA file for certificate verification (PEM format)"},
+ {"chainCAstore", OPT_CHAINCASTORE, ':',
+ "CA store URI for certificate chain"},
+ {"verifyCAstore", OPT_VERIFYCASTORE, ':',
+ "CA store URI for certificate verification"},
{"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
{"servername", OPT_SERVERNAME, 's',
"Set TLS extension servername (SNI) in ClientHello (default)"},
#endif
#ifndef OPENSSL_NO_SCTP
{"sctp", OPT_SCTP, '-', "Use SCTP"},
+ {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
#endif
#ifndef OPENSSL_NO_SSL_TRACE
{"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
#endif
{"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
{"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
+ {"enable_pha", OPT_ENABLE_PHA, '-', "Enable post-handshake-authentication"},
{NULL, OPT_EOF, 0x00, NULL}
};
*dest = OPENSSL_strdup(source);
}
-static int new_session_cb(SSL *S, SSL_SESSION *sess)
+static int new_session_cb(SSL *s, SSL_SESSION *sess)
{
- BIO *stmp = BIO_new_file(sess_out, "w");
- if (stmp == NULL) {
- BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
- } else {
- PEM_write_bio_SSL_SESSION(stmp, sess);
- BIO_free(stmp);
+ if (sess_out != NULL) {
+ BIO *stmp = BIO_new_file(sess_out, "w");
+
+ if (stmp == NULL) {
+ BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
+ } else {
+ PEM_write_bio_SSL_SESSION(stmp, sess);
+ BIO_free(stmp);
+ }
+ }
+
+ /*
+ * Session data gets dumped on connection for TLSv1.2 and below, and on
+ * arrival of the NewSessionTicket for TLSv1.3.
+ */
+ if (SSL_version(s) == TLS1_3_VERSION) {
+ BIO_printf(bio_c_out,
+ "---\nPost-Handshake New Session Ticket arrived:\n");
+ SSL_SESSION_print(bio_c_out, sess);
+ BIO_printf(bio_c_out, "---\n");
}
/*
int dane_ee_no_name = 0;
STACK_OF(X509_CRL) *crls = NULL;
const SSL_METHOD *meth = TLS_client_method();
- const char *CApath = NULL, *CAfile = NULL;
- char *cbuf = NULL, *sbuf = NULL;
- char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
+ const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
+ char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
+ char *proxystr = NULL, *proxyuser = NULL;
+ char *proxypassarg = NULL, *proxypass = NULL;
+ char *connectstr = NULL, *bindstr = NULL;
char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
- char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
+ char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL, *host = NULL;
char *port = OPENSSL_strdup(PORT);
- char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
+ char *bindhost = NULL, *bindport = NULL;
+ char *passarg = NULL, *pass = NULL;
+ char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
char *ReqCAfile = NULL;
char *sess_in = NULL, *crl_file = NULL, *p;
const char *protohost = NULL;
struct timeval timeout, *timeoutp;
fd_set readfds, writefds;
- int noCApath = 0, noCAfile = 0;
+ int noCApath = 0, noCAfile = 0, noCAstore = 0;
int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
int prexit = 0;
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
struct timeval tv;
#endif
- char *servername = NULL;
+ const char *servername = NULL;
int noservername = 0;
const char *alpn_in = NULL;
tlsextctx tlsextcbp = { NULL, 0 };
int srp_lateuser = 0;
SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
#endif
+#ifndef OPENSSL_NO_SRTP
+ char *srtp_profiles = NULL;
+#endif
#ifndef OPENSSL_NO_CT
char *ctlog_file = NULL;
int ct_validation = 0;
unsigned int split_send_fragment = 0, max_pipelines = 0;
enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
int count4or6 = 0;
+ uint8_t maxfraglen = 0;
int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
int c_tlsextdebug = 0;
#ifndef OPENSSL_NO_OCSP
int isdtls = 0;
#endif
char *psksessf = NULL;
+ int enable_pha = 0;
+#ifndef OPENSSL_NO_SCTP
+ int sctp_label_bug = 0;
+#endif
FD_ZERO(&readfds);
FD_ZERO(&writefds);
connect_type = use_inet;
freeandcopy(&connectstr, opt_arg());
break;
+ case OPT_BIND:
+ freeandcopy(&bindstr, opt_arg());
+ break;
case OPT_PROXY:
proxystr = opt_arg();
starttls_proto = PROTO_CONNECT;
break;
+ case OPT_PROXY_USER:
+ proxyuser = opt_arg();
+ break;
+ case OPT_PROXY_PASS:
+ proxypassarg = opt_arg();
+ break;
#ifdef AF_UNIX
case OPT_UNIX:
connect_type = use_unix;
goto opthelp;
break;
case OPT_VERIFY_RET_ERROR:
+ verify = SSL_VERIFY_PEER;
verify_args.return_error = 1;
break;
case OPT_VERIFY_QUIET:
case OPT_SCTP:
#ifndef OPENSSL_NO_SCTP
protocol = IPPROTO_SCTP;
+#endif
+ break;
+ case OPT_SCTP_LABEL_BUG:
+#ifndef OPENSSL_NO_SCTP
+ sctp_label_bug = 1;
#endif
break;
case OPT_TIMEOUT:
case OPT_VERIFYCAFILE:
vfyCAfile = opt_arg();
break;
+ case OPT_CASTORE:
+ CAstore = opt_arg();
+ break;
+ case OPT_NOCASTORE:
+ noCAstore = 1;
+ break;
+ case OPT_CHAINCASTORE:
+ chCAstore = opt_arg();
+ break;
+ case OPT_VERIFYCASTORE:
+ vfyCAstore = opt_arg();
+ break;
case OPT_DANE_TLSA_DOMAIN:
dane_tlsa_domain = opt_arg();
break;
noservername = 1;
break;
case OPT_USE_SRTP:
+#ifndef OPENSSL_NO_SRTP
srtp_profiles = opt_arg();
+#endif
break;
case OPT_KEYMATEXPORT:
keymatexportlabel = opt_arg();
case OPT_ASYNC:
async = 1;
break;
+ case OPT_MAXFRAGLEN:
+ len = atoi(opt_arg());
+ switch (len) {
+ case 512:
+ maxfraglen = TLSEXT_max_fragment_length_512;
+ break;
+ case 1024:
+ maxfraglen = TLSEXT_max_fragment_length_1024;
+ break;
+ case 2048:
+ maxfraglen = TLSEXT_max_fragment_length_2048;
+ break;
+ case 4096:
+ maxfraglen = TLSEXT_max_fragment_length_4096;
+ break;
+ default:
+ BIO_printf(bio_err,
+ "%s: Max Fragment Len %u is out of permitted values",
+ prog, len);
+ goto opthelp;
+ }
+ break;
case OPT_MAX_SEND_FRAG:
max_send_fragment = atoi(opt_arg());
break;
case OPT_EARLY_DATA:
early_data_file = opt_arg();
break;
+ case OPT_ENABLE_PHA:
+ enable_pha = 1;
+ break;
}
}
+
if (count4or6 >= 2) {
BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
goto opthelp;
}
}
+ if (bindstr != NULL) {
+ int res;
+ res = BIO_parse_hostserv(bindstr, &bindhost, &bindport,
+ BIO_PARSE_PRIO_HOST);
+ if (!res) {
+ BIO_printf(bio_err,
+ "%s: -bind argument parameter malformed or ambiguous\n",
+ prog);
+ goto end;
+ }
+ }
+
#ifdef AF_UNIX
if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
BIO_printf(bio_err,
#endif
if (!app_passwd(passarg, NULL, &pass, NULL)) {
- BIO_printf(bio_err, "Error getting password\n");
+ BIO_printf(bio_err, "Error getting private key password\n");
+ goto end;
+ }
+
+ if (!app_passwd(proxypassarg, NULL, &proxypass, NULL)) {
+ BIO_printf(bio_err, "Error getting proxy password\n");
+ goto end;
+ }
+
+ if (proxypass != NULL && proxyuser == NULL) {
+ BIO_printf(bio_err, "Error: Must specify proxy_user with proxy_pass\n");
goto end;
}
goto end;
}
+ SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
+
if (sdebug)
ssl_ctx_security_debug(ctx, sdebug);
+ if (!config_ctx(cctx, ssl_args, ctx))
+ goto end;
+
if (ssl_config != NULL) {
if (SSL_CTX_config(ctx, ssl_config) == 0) {
BIO_printf(bio_err, "Error using configuration \"%s\"\n",
}
}
- if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
+#ifndef OPENSSL_NO_SCTP
+ if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
+ SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
+#endif
+
+ if (min_version != 0
+ && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
goto end;
- if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
+ if (max_version != 0
+ && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
goto end;
if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
}
- if (!config_ctx(cctx, ssl_args, ctx))
+ if (maxfraglen > 0
+ && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
+ BIO_printf(bio_err,
+ "%s: Max Fragment Length code %u is out of permitted values"
+ "\n", prog, maxfraglen);
goto end;
+ }
- if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
+ if (!ssl_load_stores(ctx,
+ vfyCApath, vfyCAfile, vfyCAstore,
+ chCApath, chCAfile, chCAstore,
crls, crl_download)) {
BIO_printf(bio_err, "Error loading store locations\n");
ERR_print_errors(bio_err);
SSL_CTX_set_verify(ctx, verify, verify_callback);
- if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
+ if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
+ CAstore, noCAstore)) {
ERR_print_errors(bio_err);
goto end;
}
* come at any time. Therefore we use a callback to write out the session
* when we know about it. This approach works for < TLSv1.3 as well.
*/
- if (sess_out != NULL) {
- SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
- | SSL_SESS_CACHE_NO_INTERNAL_STORE);
- SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
- }
+ SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
+ | SSL_SESS_CACHE_NO_INTERNAL_STORE);
+ SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
if (set_keylog_file(ctx, keylog_file))
goto end;
con = SSL_new(ctx);
+ if (con == NULL)
+ goto end;
+
+ if (enable_pha)
+ SSL_set_post_handshake_auth(con, 1);
+
if (sess_in != NULL) {
SSL_SESSION *sess;
BIO *stmp = BIO_new_file(sess_in, "r");
ERR_print_errors(bio_err);
goto end;
}
- /* By default the SNI should be the same as was set in the session */
- if (!noservername && servername == NULL) {
- const char *sni = SSL_SESSION_get0_hostname(sess);
- if (sni != NULL) {
- servername = OPENSSL_strdup(sni);
- if (servername == NULL) {
- BIO_printf(bio_err, "Can't set server name\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- } else {
- /*
- * Force no SNI to be sent so we are consistent with the
- * session.
- */
- noservername = 1;
- }
- }
SSL_SESSION_free(sess);
}
SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
- if (servername == NULL)
- servername = (host == NULL) ? "localhost" : host;
- if (!SSL_set_tlsext_host_name(con, servername)) {
+ if (servername == NULL) {
+ if(host == NULL || is_dNS_name(host))
+ servername = (host == NULL) ? "localhost" : host;
+ }
+ if (servername != NULL && !SSL_set_tlsext_host_name(con, servername)) {
BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
ERR_print_errors(bio_err);
goto end;
}
re_start:
- if (init_client(&s, host, port, socket_family, socket_type, protocol)
- == 0) {
+ if (init_client(&s, host, port, bindhost, bindport, socket_family,
+ socket_type, protocol) == 0) {
BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
BIO_closesocket(s);
goto end;
do {
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
}
- while (mbuf_len > 3 && mbuf[3] == '-');
+ while (mbuf_len > 3 && (!isdigit(mbuf[0]) || !isdigit(mbuf[1]) || !isdigit(mbuf[2]) || mbuf[3] != ' '));
(void)BIO_flush(fbio);
BIO_pop(fbio);
BIO_free(fbio);
BIO *fbio = BIO_new(BIO_f_buffer());
BIO_push(fbio, sbio);
- BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
+ BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n", connectstr);
+ /*
+ * Workaround for broken proxies which would otherwise close
+ * the connection when entering tunnel mode (eg Squid 2.6)
+ */
+ BIO_printf(fbio, "Proxy-Connection: Keep-Alive\r\n");
+
+ /* Support for basic (base64) proxy authentication */
+ if (proxyuser != NULL) {
+ size_t l;
+ char *proxyauth, *proxyauthenc;
+
+ l = strlen(proxyuser);
+ if (proxypass != NULL)
+ l += strlen(proxypass);
+ proxyauth = app_malloc(l + 2, "Proxy auth string");
+ BIO_snprintf(proxyauth, l + 2, "%s:%s", proxyuser,
+ (proxypass != NULL) ? proxypass : "");
+ proxyauthenc = base64encode(proxyauth, strlen(proxyauth));
+ BIO_printf(fbio, "Proxy-Authorization: Basic %s\r\n",
+ proxyauthenc);
+ OPENSSL_clear_free(proxyauth, strlen(proxyauth));
+ OPENSSL_clear_free(proxyauthenc, strlen(proxyauthenc));
+ }
+
+ /* Terminate the HTTP CONNECT request */
+ BIO_printf(fbio, "\r\n");
(void)BIO_flush(fbio);
/*
* The first line is the HTTP response. According to RFC 7230,
- * it's formated exactly like this:
+ * it's formatted exactly like this:
*
* HTTP/d.d ddd Reason text\r\n
*/
/* STARTTLS command requires CAPABILITIES... */
BIO_printf(fbio, "CAPABILITIES\r\n");
(void)BIO_flush(fbio);
- /* wait for multi-line CAPABILITIES response */
- do {
- mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
- if (strstr(mbuf, "STARTTLS"))
- foundit = 1;
- } while (mbuf_len > 1 && mbuf[0] != '.');
+ BIO_gets(fbio, mbuf, BUFSIZZ);
+ /* no point in trying to parse the CAPABILITIES response if there is none */
+ if (strstr(mbuf, "101") != NULL) {
+ /* wait for multi-line CAPABILITIES response */
+ do {
+ mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
+ if (strstr(mbuf, "STARTTLS"))
+ foundit = 1;
+ } while (mbuf_len > 1 && mbuf[0] != '.');
+ }
(void)BIO_flush(fbio);
BIO_pop(fbio);
BIO_free(fbio);
FD_ZERO(&readfds);
FD_ZERO(&writefds);
- if ((SSL_version(con) == DTLS1_VERSION) &&
- DTLSv1_get_timeout(con, &timeout))
+ if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
timeoutp = &timeout;
else
timeoutp = NULL;
}
}
- if ((SSL_version(con) == DTLS1_VERSION)
- && DTLSv1_handle_timeout(con) > 0) {
+ if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0)
BIO_printf(bio_err, "TIMEOUT occurred\n");
- }
if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
BIO_printf(bio_err, "RENEGOTIATING\n");
SSL_renegotiate(con);
cbuf_len = 0;
- }
-
- if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
+ } else if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
&& cmdletters) {
BIO_printf(bio_err, "KEYUPDATE\n");
SSL_key_update(con,
cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
: SSL_KEY_UPDATE_NOT_REQUESTED);
cbuf_len = 0;
- }
-#ifndef OPENSSL_NO_HEARTBEATS
- else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
- BIO_printf(bio_err, "HEARTBEATING\n");
- SSL_heartbeat(con);
- cbuf_len = 0;
- }
-#endif
- else {
+ } else {
cbuf_len = i;
cbuf_off = 0;
#ifdef CHARSET_EBCDIC
if (in_init)
print_stuff(bio_c_out, con, full_log);
do_ssl_shutdown(con);
-#if defined(OPENSSL_SYS_WINDOWS)
+
/*
- * Give the socket time to send its last data before we close it.
- * No amount of setting SO_LINGER etc on the socket seems to persuade
- * Windows to send the data before closing the socket...but sleeping
- * for a short time seems to do it (units in ms)
- * TODO: Find a better way to do this
+ * If we ended with an alert being sent, but still with data in the
+ * network buffer to be read, then calling BIO_closesocket() will
+ * result in a TCP-RST being sent. On some platforms (notably
+ * Windows) then this will result in the peer immediately abandoning
+ * the connection including any buffered alert data before it has
+ * had a chance to be read. Shutting down the sending side first,
+ * and then closing the socket sends TCP-FIN first followed by
+ * TCP-RST. This seems to allow the peer to read the alert data.
*/
- Sleep(50);
-#endif
+ shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
+ /*
+ * We just said we have nothing else to say, but it doesn't mean that
+ * the other side has nothing. It's even recommended to consume incoming
+ * data. [In testing context this ensures that alerts are passed on...]
+ */
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 500000; /* some extreme round-trip */
+ do {
+ FD_ZERO(&readfds);
+ openssl_fdset(s, &readfds);
+ } while (select(s + 1, &readfds, NULL, NULL, &timeout) > 0
+ && BIO_read(sbio, sbuf, BUFSIZZ) > 0);
+
BIO_closesocket(SSL_get_fd(con));
end:
if (con != NULL) {
OPENSSL_free(srp_arg.srppassin);
#endif
OPENSSL_free(connectstr);
+ OPENSSL_free(bindstr);
OPENSSL_free(host);
OPENSSL_free(port);
X509_VERIFY_PARAM_free(vpm);
OPENSSL_clear_free(cbuf, BUFSIZZ);
OPENSSL_clear_free(sbuf, BUFSIZZ);
OPENSSL_clear_free(mbuf, BUFSIZZ);
+ if (proxypass != NULL)
+ OPENSSL_clear_free(proxypass, strlen(proxypass));
release_engine(e);
BIO_free(bio_c_out);
bio_c_out = NULL;
BIO_free(bio_c_msg);
bio_c_msg = NULL;
- return (ret);
+ return ret;
}
static void print_stuff(BIO *bio, SSL *s, int full)
X509 *peer = NULL;
STACK_OF(X509) *sk;
const SSL_CIPHER *c;
- int i;
+ int i, istls13 = (SSL_version(s) == TLS1_3_VERSION);
+ long verify_result;
#ifndef OPENSSL_NO_COMP
const COMP_METHOD *comp, *expansion;
#endif
BIO_printf(bio, "Expansion: %s\n",
expansion ? SSL_COMP_get_name(expansion) : "NONE");
#endif
+#ifndef OPENSSL_NO_KTLS
+ if (BIO_get_ktls_send(SSL_get_wbio(s)))
+ BIO_printf(bio_err, "Using Kernel TLS for sending\n");
+ if (BIO_get_ktls_recv(SSL_get_rbio(s)))
+ BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
+#endif
-#ifdef SSL_DEBUG
- {
+ if (OSSL_TRACE_ENABLED(TLS)) {
/* Print out local port of connection: useful for debugging */
int sock;
union BIO_sock_info_u info;
}
BIO_ADDR_free(info.addr);
}
-#endif
#if !defined(OPENSSL_NO_NEXTPROTONEG)
if (next_proto.status != -1) {
}
#endif
- if (SSL_version(s) == TLS1_3_VERSION) {
+ if (istls13) {
switch (SSL_get_early_data_status(s)) {
case SSL_EARLY_DATA_NOT_SENT:
BIO_printf(bio, "Early data was not sent\n");
break;
}
+
+ /*
+ * We also print the verify results when we dump session information,
+ * but in TLSv1.3 we may not get that right away (or at all) depending
+ * on when we get a NewSessionTicket. Therefore we print it now as well.
+ */
+ verify_result = SSL_get_verify_result(s);
+ BIO_printf(bio, "Verify return code: %ld (%s)\n", verify_result,
+ X509_verify_cert_error_string(verify_result));
+ } else {
+ /* In TLSv1.3 we do this on arrival of a NewSessionTicket */
+ SSL_SESSION_print(bio, SSL_get_session(s));
}
- SSL_SESSION_print(bio, SSL_get_session(s));
if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
BIO_printf(bio, "Keying material exporter:\n");
BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
return ret;
}
+/*
+ * BASE64 encoder: used only for encoding basic proxy authentication credentials
+ */
+static char *base64encode (const void *buf, size_t len)
+{
+ int i;
+ size_t outl;
+ char *out;
+
+ /* Calculate size of encoded data */
+ outl = (len / 3);
+ if (len % 3 > 0)
+ outl++;
+ outl <<= 2;
+ out = app_malloc(outl + 1, "base64 encode buffer");
+
+ i = EVP_EncodeBlock((unsigned char *)out, buf, len);
+ assert(i <= (int)outl);
+ if (i < 0)
+ *out = '\0';
+ return out;
+}
+
+/*
+ * Host dNS Name verifier: used for checking that the hostname is in dNS format
+ * before setting it as SNI
+ */
+static int is_dNS_name(const char *host)
+{
+ const size_t MAX_LABEL_LENGTH = 63;
+ size_t i;
+ int isdnsname = 0;
+ size_t length = strlen(host);
+ size_t label_length = 0;
+ int all_numeric = 1;
+
+ /*
+ * Deviation from strict DNS name syntax, also check names with '_'
+ * Check DNS name syntax, any '-' or '.' must be internal,
+ * and on either side of each '.' we can't have a '-' or '.'.
+ *
+ * If the name has just one label, we don't consider it a DNS name.
+ */
+ for (i = 0; i < length && label_length < MAX_LABEL_LENGTH; ++i) {
+ char c = host[i];
+
+ if ((c >= 'a' && c <= 'z')
+ || (c >= 'A' && c <= 'Z')
+ || c == '_') {
+ label_length += 1;
+ all_numeric = 0;
+ continue;
+ }
+
+ if (c >= '0' && c <= '9') {
+ label_length += 1;
+ continue;
+ }
+
+ /* Dot and hyphen cannot be first or last. */
+ if (i > 0 && i < length - 1) {
+ if (c == '-') {
+ label_length += 1;
+ continue;
+ }
+ /*
+ * Next to a dot the preceding and following characters must not be
+ * another dot or a hyphen. Otherwise, record that the name is
+ * plausible, since it has two or more labels.
+ */
+ if (c == '.'
+ && host[i + 1] != '.'
+ && host[i - 1] != '-'
+ && host[i + 1] != '-') {
+ label_length = 0;
+ isdnsname = 1;
+ continue;
+ }
+ }
+ isdnsname = 0;
+ break;
+ }
+
+ /* dNS name must not be all numeric and labels must be shorter than 64 characters. */
+ isdnsname &= !all_numeric && !(label_length == MAX_LABEL_LENGTH);
+
+ return isdnsname;
+}
#endif /* OPENSSL_NO_SOCK */
projects / openssl.git / blobdiff