Update from 1.0.0-stable.
[openssl.git] / apps / s_client.c
index 59a4daa98a263a0c4a7006038f3ff0c2a6d1a329..bd2a3b8633920b3d8e680eb19d3d692387d03f53 100644 (file)
@@ -161,6 +161,8 @@ typedef unsigned int u_int;
 #include <openssl/err.h>
 #include <openssl/pem.h>
 #include <openssl/rand.h>
+#include <openssl/ocsp.h>
+#include <openssl/bn.h>
 #include "s_apps.h"
 #include "timeouts.h"
 
@@ -196,12 +198,16 @@ 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;
@@ -209,7 +215,7 @@ static int c_ign_eof=0;
 #ifndef OPENSSL_NO_PSK
 /* Default PSK identity and key */
 static char *psk_identity="Client_identity";
-static char *psk_key=NULL; /* by default PSK is not used */
+/*char *psk_key=NULL;  by default PSK is not used */
 
 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
        unsigned int max_identity_len, unsigned char *psk,
@@ -231,7 +237,7 @@ static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
                BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
 
        /* lookup PSK identity and PSK key based on the given identity hint here */
-       ret = BIO_snprintf(identity, max_identity_len, psk_identity);
+       ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
        if (ret < 0 || (unsigned int)ret > max_identity_len)
                goto out_err;
        if (c_debug)
@@ -302,15 +308,19 @@ static void sc_usage(void)
        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");
 #ifndef OPENSSL_NO_PSK
        BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
        BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
+# ifndef OPENSSL_NO_JPAKE
+       BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
+# endif
 #endif
        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");
@@ -319,13 +329,19 @@ static void sc_usage(void)
        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\", \"pop3\", \"imap\", and \"ftp\" 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
        }
 
@@ -357,7 +373,8 @@ enum
        PROTO_SMTP,
        PROTO_POP3,
        PROTO_IMAP,
-       PROTO_FTP
+       PROTO_FTP,
+       PROTO_XMPP
 };
 
 int MAIN(int, char **);
@@ -395,15 +412,16 @@ int MAIN(int argc, char **argv)
        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) || defined(OPENSSL_SYS_BEOS_R5)
        struct timeval tv;
 #if defined(OPENSSL_SYS_BEOS_R5)
        int stdin_set = 0;
 #endif
 #endif
-
 #ifndef OPENSSL_NO_TLSEXT
        char *servername = NULL; 
         tlsextctx tlsextcbp = 
@@ -415,6 +433,9 @@ int MAIN(int argc, char **argv)
        int peerlen = sizeof(peer);
        int enable_timeouts = 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();
@@ -517,6 +538,8 @@ int MAIN(int argc, char **argv)
                        }
                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)
@@ -524,6 +547,8 @@ int MAIN(int argc, char **argv)
 #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)
@@ -650,6 +675,8 @@ int MAIN(int argc, char **argv)
                                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;
                        }
@@ -659,6 +686,11 @@ int MAIN(int argc, char **argv)
                        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)
                        {
@@ -672,6 +704,13 @@ int MAIN(int argc, char **argv)
                        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
                        {
@@ -689,11 +728,42 @@ bad:
                goto end;
                }
 
+#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
+       if (jpake_secret)
+               {
+               if (psk_key)
+                       {
+                       BIO_printf(bio_err,
+                                  "Can't use JPAKE and PSK together\n");
+                       goto end;
+                       }
+               psk_identity = "JPAKE";
+               }
+
+       if (cipher)
+               {
+               BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
+               goto end;
+               }
+       cipher = "PSK";
+#endif
+
        OpenSSL_add_ssl_algorithms();
        SSL_load_error_strings();
 
 #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))
                {
@@ -761,11 +831,29 @@ bad:
                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
+
 #ifndef OPENSSL_NO_PSK
+#ifdef OPENSSL_NO_JPAKE
        if (psk_key != NULL)
+#else
+       if (psk_key != NULL || jpake_secret)
+#endif
                {
                if (c_debug)
-                       BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
+                       BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
                SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
                }
 #endif
@@ -855,6 +943,11 @@ bad:
                }
 #endif /* OPENSSL_NO_KRB5  */
 /*     SSL_set_cipher_list(con,"RC4-MD5"); */
+#if 0
+#ifdef TLSEXT_TYPE_opaque_prf_input
+       SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
+#endif
+#endif
 
 re_start:
 
@@ -906,10 +999,10 @@ re_start:
                        BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
                        }
 
-               if (socket_mtu > 0)
+               if (socket_mtu > 28)
                        {
                        SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
-                       SSL_set_mtu(con, socket_mtu);
+                       SSL_set_mtu(con, socket_mtu - 28);
                        }
                else
                        /* want to do MTU discovery */
@@ -918,8 +1011,6 @@ re_start:
        else
                sbio=BIO_new_socket(s,BIO_NOCLOSE);
 
-
-
        if (nbio_test)
                {
                BIO *test;
@@ -945,6 +1036,27 @@ re_start:
                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);
@@ -1052,6 +1164,28 @@ re_start:
                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 (;;)
                {
@@ -1069,11 +1203,13 @@ re_start:
                        if (in_init)
                                {
                                in_init=0;
+#if 0 /* This test doesn't really work as intended (needs to be fixed) */
 #ifndef OPENSSL_NO_TLSEXT
                                if (servername != NULL && !SSL_session_reused(con))
                                        {
                                        BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
                                        }
+#endif
 #endif
                                if (sess_out)
                                        {
@@ -1244,6 +1380,7 @@ re_start:
                                if (cbuf_len != 0)
                                        {
                                        BIO_printf(bio_c_out,"shutdown\n");
+                                       ret = 0;
                                        goto shut;
                                        }
                                else
@@ -1286,6 +1423,7 @@ re_start:
                        if (i <= 0)
                                {
                                BIO_printf(bio_c_out,"DONE\n");
+                               ret = 0;
                                goto shut;
                                /* goto end; */
                                }
@@ -1340,10 +1478,12 @@ printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240
                                BIO_printf(bio_c_out,"read X BLOCK\n");
                                break;
                        case SSL_ERROR_SYSCALL:
-                               BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
+                               ret=get_last_socket_error();
+                               BIO_printf(bio_err,"read:errno=%d\n",ret);
                                goto shut;
                        case SSL_ERROR_ZERO_RETURN:
                                BIO_printf(bio_c_out,"closed\n");
+                               ret=0;
                                goto shut;
                        case SSL_ERROR_SSL:
                                ERR_print_errors(bio_err);
@@ -1394,6 +1534,7 @@ printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240
                        if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
                                {
                                BIO_printf(bio_err,"DONE\n");
+                               ret=0;
                                goto shut;
                                }
 
@@ -1416,12 +1557,13 @@ printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240
                        read_tty=0;
                        }
                }
+
+       ret=0;
 shut:
        if (in_init)
                print_stuff(bio_c_out,con,full_log);
        SSL_shutdown(con);
        SHUTDOWN(SSL_get_fd(con));
-       ret=0;
 end:
        if (con != NULL)
                {
@@ -1457,7 +1599,7 @@ static void print_stuff(BIO *bio, SSL *s, int full)
        char buf[BUFSIZ];
        STACK_OF(X509) *sk;
        STACK_OF(X509_NAME) *sk2;
-       SSL_CIPHER *c;
+       const SSL_CIPHER *c;
        X509_NAME *xn;
        int j,i;
 #ifndef OPENSSL_NO_COMP
@@ -1581,3 +1723,32 @@ static void print_stuff(BIO *bio, SSL *s, int full)
        (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