#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/rand.h>
+#include <openssl/ocsp.h>
#include "s_apps.h"
#include "timeouts.h"
#endif
static int c_Pause=0;
static int c_debug=0;
+#ifndef OPENSSL_NO_TLSEXT
+static int c_tlsextdebug=0;
+static int c_status_req=0;
+#endif
static int c_msg=0;
static int c_showcerts=0;
static void sc_usage(void);
static void print_stuff(BIO *berr,SSL *con,int full);
+#ifndef OPENSSL_NO_TLSEXT
+static int ocsp_resp_cb(SSL *s, void *arg);
+#endif
static BIO *bio_c_out=NULL;
static int c_quiet=0;
static int c_ign_eof=0;
BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
BIO_printf(bio_err," -quiet - no s_client output\n");
BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
+ BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
BIO_printf(bio_err," -tls1 - just use TLSv1\n");
BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
- BIO_printf(bio_err," -mtu - set the MTU\n");
+ BIO_printf(bio_err," -mtu - set the link layer MTU\n");
BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
BIO_printf(bio_err," for those protocols that support it, where\n");
BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
- BIO_printf(bio_err," only \"smtp\" and \"pop3\" are supported.\n");
+ BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
+ BIO_printf(bio_err," are supported.\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
#endif
BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
+ BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
+ BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
+#ifndef OPENSSL_NO_TLSEXT
+ BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
+ BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
+ BIO_printf(bio_err," -status - request certificate status from server\n");
+ BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
+#endif
+ }
+
+#ifndef OPENSSL_NO_TLSEXT
+
+/* This is a context that we pass to callbacks */
+typedef struct tlsextctx_st {
+ BIO * biodebug;
+ int ack;
+} tlsextctx;
+
+static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
+ {
+ tlsextctx * p = (tlsextctx *) arg;
+ const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
+ if (SSL_get_servername_type(s) != -1)
+ p->ack = !SSL_session_reused(s) && hn != NULL;
+ else
+ BIO_printf(bio_err,"Can't use SSL_get_servername\n");
+
+ return SSL_TLSEXT_ERR_OK;
}
+#endif
+enum
+{
+ PROTO_OFF = 0,
+ PROTO_SMTP,
+ PROTO_POP3,
+ PROTO_IMAP,
+ PROTO_FTP,
+ PROTO_XMPP
+};
int MAIN(int, char **);
int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
SSL_CTX *ctx=NULL;
int ret=1,in_init=1,i,nbio_test=0;
- int starttls_proto = 0;
+ int starttls_proto = PROTO_OFF;
int prexit = 0, vflags = 0;
SSL_METHOD *meth=NULL;
#ifdef sock_type
int sock_type=SOCK_STREAM;
BIO *sbio;
char *inrand=NULL;
+ int mbuf_len=0;
#ifndef OPENSSL_NO_ENGINE
char *engine_id=NULL;
- ENGINE *e=NULL;
+ char *ssl_client_engine_id=NULL;
+ ENGINE *ssl_client_engine=NULL;
#endif
+ ENGINE *e=NULL;
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
struct timeval tv;
#endif
+#ifndef OPENSSL_NO_TLSEXT
+ char *servername = NULL;
+ tlsextctx tlsextcbp =
+ {NULL,0};
+#endif
+ char *sess_in = NULL;
+ char *sess_out = NULL;
struct sockaddr peer;
int peerlen = sizeof(peer);
int enable_timeouts = 0 ;
- long mtu = 0;
+ long socket_mtu = 0;
+#ifndef OPENSSL_NO_JPAKE
+ char *jpake_secret = NULL;
+#endif
#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
meth=SSLv23_client_method();
if (--argc < 1) goto bad;
cert_file= *(++argv);
}
+ else if (strcmp(*argv,"-sess_out") == 0)
+ {
+ if (--argc < 1) goto bad;
+ sess_out = *(++argv);
+ }
+ else if (strcmp(*argv,"-sess_in") == 0)
+ {
+ if (--argc < 1) goto bad;
+ sess_in = *(++argv);
+ }
else if (strcmp(*argv,"-certform") == 0)
{
if (--argc < 1) goto bad;
}
else if (strcmp(*argv,"-ign_eof") == 0)
c_ign_eof=1;
+ else if (strcmp(*argv,"-no_ign_eof") == 0)
+ c_ign_eof=0;
else if (strcmp(*argv,"-pause") == 0)
c_Pause=1;
else if (strcmp(*argv,"-debug") == 0)
c_debug=1;
+#ifndef OPENSSL_NO_TLSEXT
+ else if (strcmp(*argv,"-tlsextdebug") == 0)
+ c_tlsextdebug=1;
+ else if (strcmp(*argv,"-status") == 0)
+ c_status_req=1;
+#endif
#ifdef WATT32
else if (strcmp(*argv,"-wdebug") == 0)
dbug_init();
else if (strcmp(*argv,"-mtu") == 0)
{
if (--argc < 1) goto bad;
- mtu = atol(*(++argv));
+ socket_mtu = atol(*(++argv));
}
#endif
else if (strcmp(*argv,"-bugs") == 0)
off|=SSL_OP_NO_SSLv3;
else if (strcmp(*argv,"-no_ssl2") == 0)
off|=SSL_OP_NO_SSLv2;
+#ifndef OPENSSL_NO_TLSEXT
+ else if (strcmp(*argv,"-no_ticket") == 0)
+ { off|=SSL_OP_NO_TICKET; }
+#endif
else if (strcmp(*argv,"-serverpref") == 0)
off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
else if (strcmp(*argv,"-cipher") == 0)
if (--argc < 1) goto bad;
++argv;
if (strcmp(*argv,"smtp") == 0)
- starttls_proto = 1;
+ starttls_proto = PROTO_SMTP;
else if (strcmp(*argv,"pop3") == 0)
- starttls_proto = 2;
+ starttls_proto = PROTO_POP3;
+ else if (strcmp(*argv,"imap") == 0)
+ starttls_proto = PROTO_IMAP;
+ else if (strcmp(*argv,"ftp") == 0)
+ starttls_proto = PROTO_FTP;
+ else if (strcmp(*argv, "xmpp") == 0)
+ starttls_proto = PROTO_XMPP;
else
goto bad;
}
if (--argc < 1) goto bad;
engine_id = *(++argv);
}
+ else if (strcmp(*argv,"-ssl_client_engine") == 0)
+ {
+ if (--argc < 1) goto bad;
+ ssl_client_engine_id = *(++argv);
+ }
#endif
else if (strcmp(*argv,"-rand") == 0)
{
if (--argc < 1) goto bad;
inrand= *(++argv);
}
+#ifndef OPENSSL_NO_TLSEXT
+ else if (strcmp(*argv,"-servername") == 0)
+ {
+ if (--argc < 1) goto bad;
+ servername= *(++argv);
+ /* meth=TLSv1_client_method(); */
+ }
+#endif
+#ifndef OPENSSL_NO_JPAKE
+ else if (strcmp(*argv,"-jpake") == 0)
+ {
+ if (--argc < 1) goto bad;
+ jpake_secret = *++argv;
+ }
+#endif
else
{
BIO_printf(bio_err,"unknown option %s\n",*argv);
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine_id, 1);
+ if (ssl_client_engine_id)
+ {
+ ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
+ if (!ssl_client_engine)
+ {
+ BIO_printf(bio_err,
+ "Error getting client auth engine\n");
+ goto end;
+ }
+ }
#endif
if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
{
goto end;
}
+#ifndef OPENSSL_NO_ENGINE
+ if (ssl_client_engine)
+ {
+ if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
+ {
+ BIO_puts(bio_err, "Error setting client auth engine\n");
+ ERR_print_errors(bio_err);
+ ENGINE_free(ssl_client_engine);
+ goto end;
+ }
+ ENGINE_free(ssl_client_engine);
+ }
+#endif
+
if (bugs)
SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
else
store = SSL_CTX_get_cert_store(ctx);
X509_STORE_set_flags(store, vflags);
+#ifndef OPENSSL_NO_TLSEXT
+ if (servername != NULL)
+ {
+ tlsextcbp.biodebug = bio_err;
+ SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
+ SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
+ }
+#endif
con=SSL_new(ctx);
+ if (sess_in)
+ {
+ SSL_SESSION *sess;
+ BIO *stmp = BIO_new_file(sess_in, "r");
+ if (!stmp)
+ {
+ BIO_printf(bio_err, "Can't open session file %s\n",
+ sess_in);
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
+ BIO_free(stmp);
+ if (!sess)
+ {
+ BIO_printf(bio_err, "Can't open session file %s\n",
+ sess_in);
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ SSL_set_session(con, sess);
+ SSL_SESSION_free(sess);
+ }
+#ifndef OPENSSL_NO_TLSEXT
+ if (servername != NULL)
+ {
+ if (!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;
+ }
+ }
+#endif
+
#ifndef OPENSSL_NO_KRB5
if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
{
goto end;
}
- BIO_ctrl_set_connected(sbio, 1, &peer);
+ (void)BIO_ctrl_set_connected(sbio, 1, &peer);
if ( enable_timeouts)
{
BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
}
- if ( mtu > 0)
+ if (socket_mtu > 28)
{
SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
- SSL_set_mtu(con, mtu);
+ SSL_set_mtu(con, socket_mtu - 28);
}
else
/* want to do MTU discovery */
else
sbio=BIO_new_socket(s,BIO_NOCLOSE);
-
-
if (nbio_test)
{
BIO *test;
{
con->debug=1;
BIO_set_callback(sbio,bio_dump_callback);
- BIO_set_callback_arg(sbio,bio_c_out);
+ BIO_set_callback_arg(sbio,(char *)bio_c_out);
}
if (c_msg)
{
SSL_set_msg_callback(con, msg_cb);
SSL_set_msg_callback_arg(con, bio_c_out);
}
+#ifndef OPENSSL_NO_TLSEXT
+ if (c_tlsextdebug)
+ {
+ SSL_set_tlsext_debug_callback(con, tlsext_cb);
+ SSL_set_tlsext_debug_arg(con, bio_c_out);
+ }
+ if (c_status_req)
+ {
+ SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
+ SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
+ SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
+#if 0
+{
+STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
+OCSP_RESPID *id = OCSP_RESPID_new();
+id->value.byKey = ASN1_OCTET_STRING_new();
+id->type = V_OCSP_RESPID_KEY;
+ASN1_STRING_set(id->value.byKey, "Hello World", -1);
+sk_OCSP_RESPID_push(ids, id);
+SSL_set_tlsext_status_ids(con, ids);
+}
+#endif
+ }
+#endif
+#ifndef OPENSSL_NO_JPAKE
+ if (jpake_secret)
+ jpake_client_auth(bio_c_out, sbio, jpake_secret);
+#endif
SSL_set_bio(con,sbio,sbio);
SSL_set_connect_state(con);
sbuf_off=0;
/* This is an ugly hack that does a lot of assumptions */
- if (starttls_proto == 1)
+ /* We do have to handle multi-line responses which may come
+ in a single packet or not. We therefore have to use
+ BIO_gets() which does need a buffering BIO. So during
+ the initial chitchat we do push a buffering BIO into the
+ chain that is removed again later on to not disturb the
+ rest of the s_client operation. */
+ if (starttls_proto == PROTO_SMTP)
{
- BIO_read(sbio,mbuf,BUFSIZZ);
+ int foundit=0;
+ BIO *fbio = BIO_new(BIO_f_buffer());
+ BIO_push(fbio, sbio);
+ /* wait for multi-line response to end from SMTP */
+ do
+ {
+ mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
+ }
+ while (mbuf_len>3 && mbuf[3]=='-');
+ /* STARTTLS command requires EHLO... */
+ BIO_printf(fbio,"EHLO openssl.client.net\r\n");
+ (void)BIO_flush(fbio);
+ /* wait for multi-line response to end EHLO SMTP response */
+ do
+ {
+ mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
+ if (strstr(mbuf,"STARTTLS"))
+ foundit=1;
+ }
+ while (mbuf_len>3 && mbuf[3]=='-');
+ (void)BIO_flush(fbio);
+ BIO_pop(fbio);
+ BIO_free(fbio);
+ if (!foundit)
+ BIO_printf(bio_err,
+ "didn't found starttls in server response,"
+ " try anyway...\n");
BIO_printf(sbio,"STARTTLS\r\n");
BIO_read(sbio,sbuf,BUFSIZZ);
}
- if (starttls_proto == 2)
+ else if (starttls_proto == PROTO_POP3)
{
BIO_read(sbio,mbuf,BUFSIZZ);
BIO_printf(sbio,"STLS\r\n");
BIO_read(sbio,sbuf,BUFSIZZ);
}
+ else if (starttls_proto == PROTO_IMAP)
+ {
+ int foundit=0;
+ BIO *fbio = BIO_new(BIO_f_buffer());
+ BIO_push(fbio, sbio);
+ BIO_gets(fbio,mbuf,BUFSIZZ);
+ /* STARTTLS command requires CAPABILITY... */
+ BIO_printf(fbio,". CAPABILITY\r\n");
+ (void)BIO_flush(fbio);
+ /* wait for multi-line CAPABILITY response */
+ do
+ {
+ mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
+ if (strstr(mbuf,"STARTTLS"))
+ foundit=1;
+ }
+ while (mbuf_len>3 && mbuf[0]!='.');
+ (void)BIO_flush(fbio);
+ BIO_pop(fbio);
+ BIO_free(fbio);
+ if (!foundit)
+ BIO_printf(bio_err,
+ "didn't found STARTTLS in server response,"
+ " try anyway...\n");
+ BIO_printf(sbio,". STARTTLS\r\n");
+ BIO_read(sbio,sbuf,BUFSIZZ);
+ }
+ else if (starttls_proto == PROTO_FTP)
+ {
+ BIO *fbio = BIO_new(BIO_f_buffer());
+ BIO_push(fbio, sbio);
+ /* wait for multi-line response to end from FTP */
+ do
+ {
+ mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
+ }
+ while (mbuf_len>3 && mbuf[3]=='-');
+ (void)BIO_flush(fbio);
+ BIO_pop(fbio);
+ BIO_free(fbio);
+ BIO_printf(sbio,"AUTH TLS\r\n");
+ BIO_read(sbio,sbuf,BUFSIZZ);
+ }
+ if (starttls_proto == PROTO_XMPP)
+ {
+ int seen = 0;
+ BIO_printf(sbio,"<stream:stream "
+ "xmlns:stream='http://etherx.jabber.org/streams' "
+ "xmlns='jabber:client' to='%s' version='1.0'>", host);
+ seen = BIO_read(sbio,mbuf,BUFSIZZ);
+ mbuf[seen] = 0;
+ while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
+ {
+ if (strstr(mbuf, "/stream:features>"))
+ goto shut;
+ seen = BIO_read(sbio,mbuf,BUFSIZZ);
+ mbuf[seen] = 0;
+ }
+ BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
+ seen = BIO_read(sbio,sbuf,BUFSIZZ);
+ sbuf[seen] = 0;
+ if (!strstr(sbuf, "<proceed"))
+ goto shut;
+ mbuf[0] = 0;
+ }
for (;;)
{
if (in_init)
{
in_init=0;
+ if (sess_out)
+ {
+ BIO *stmp = BIO_new_file(sess_out, "w");
+ if (stmp)
+ {
+ PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
+ BIO_free(stmp);
+ }
+ else
+ BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
+ }
print_stuff(bio_c_out,con,full_log);
if (full_log > 0) full_log--;
{
BIO_printf(bio_err,"%s",mbuf);
/* We don't need to know any more */
- starttls_proto = 0;
+ starttls_proto = PROTO_OFF;
}
if (reconnect)
if (peer != NULL)
X509_free(peer);
/* flush, or debugging output gets mixed with http response */
- BIO_flush(bio);
+ (void)BIO_flush(bio);
}
+#ifndef OPENSSL_NO_TLSEXT
+
+static int ocsp_resp_cb(SSL *s, void *arg)
+ {
+ const unsigned char *p;
+ int len;
+ OCSP_RESPONSE *rsp;
+ len = SSL_get_tlsext_status_ocsp_resp(s, &p);
+ BIO_puts(arg, "OCSP response: ");
+ if (!p)
+ {
+ BIO_puts(arg, "no response sent\n");
+ return 1;
+ }
+ rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
+ if (!rsp)
+ {
+ BIO_puts(arg, "response parse error\n");
+ BIO_dump_indent(arg, (char *)p, len, 4);
+ return 0;
+ }
+ BIO_puts(arg, "\n======================================\n");
+ OCSP_RESPONSE_print(arg, rsp, 0);
+ BIO_puts(arg, "======================================\n");
+ OCSP_RESPONSE_free(rsp);
+ return 1;
+ }
+#endif /* ndef OPENSSL_NO_TLSEXT */
projects / openssl.git / blobdiff