PR: 910
[openssl.git] / apps / s_client.c
index 009aa83e4eefb466b7690be99268f4f9ada1a682..0204b517b1fc871eea312139dfc1a5a37141036a 100644 (file)
  * copied and put under another distribution licence
  * [including the GNU Public Licence.]
  */
+/* ====================================================================
+ * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
 
 #include <assert.h>
 #include <stdio.h>
@@ -80,11 +133,15 @@ typedef unsigned int u_int;
 #include <openssl/ssl.h>
 #include <openssl/err.h>
 #include <openssl/pem.h>
-#include <openssl/engine.h>
+#include <openssl/rand.h>
 #include "s_apps.h"
 
-#ifdef OPENSSL_SYS_WINDOWS
-#include <conio.h>
+#ifdef OPENSSL_SYS_WINCE
+/* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
+#ifdef fileno
+#undef fileno
+#endif
+#define fileno(a) (int)_fileno(a)
 #endif
 
 
@@ -113,6 +170,7 @@ static int c_nbio=0;
 #endif
 static int c_Pause=0;
 static int c_debug=0;
+static int c_msg=0;
 static int c_showcerts=0;
 
 static void sc_usage(void);
@@ -131,14 +189,18 @@ static void sc_usage(void)
 
        BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
        BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
-       BIO_printf(bio_err," -key arg      - Private key file to use, PEM format assumed, in cert file if\n");
+       BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
+       BIO_printf(bio_err," -key arg      - Private key file to use, in cert file if\n");
        BIO_printf(bio_err,"                 not specified but cert file is.\n");
+       BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
+       BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
        BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
        BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
        BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
        BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
        BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
        BIO_printf(bio_err," -debug        - extra output\n");
+       BIO_printf(bio_err," -msg          - Show protocol messages\n");
        BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
        BIO_printf(bio_err," -state        - print the 'ssl' states\n");
 #ifdef FIONBIO
@@ -155,7 +217,13 @@ static void sc_usage(void)
        BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");
        BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
        BIO_printf(bio_err,"                 command to see what is available\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");
+#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);
 
        }
@@ -168,7 +236,7 @@ int MAIN(int argc, char **argv)
        SSL *con=NULL,*con2=NULL;
        X509_STORE *store = NULL;
        int s,k,width,state=0;
-       char *cbuf=NULL,*sbuf=NULL;
+       char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
        int cbuf_len,cbuf_off;
        int sbuf_len,sbuf_off;
        fd_set readfds,writefds;
@@ -176,19 +244,26 @@ int MAIN(int argc, char **argv)
        int full_log=1;
        char *host=SSL_HOST_NAME;
        char *cert_file=NULL,*key_file=NULL;
+       int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
+       char *passarg = NULL, *pass = NULL;
+       X509 *cert = NULL;
+       EVP_PKEY *key = NULL;
        char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
        int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
        int crlf=0;
        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 prexit = 0, vflags = 0;
        SSL_METHOD *meth=NULL;
        BIO *sbio;
        char *inrand=NULL;
+#ifndef OPENSSL_NO_ENGINE
        char *engine_id=NULL;
        ENGINE *e=NULL;
-#ifdef OPENSSL_SYS_WINDOWS
+#endif
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
        struct timeval tv;
 #endif
 
@@ -205,13 +280,18 @@ int MAIN(int argc, char **argv)
        c_quiet=0;
        c_ign_eof=0;
        c_debug=0;
+       c_msg=0;
        c_showcerts=0;
 
        if (bio_err == NULL)
                bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 
+       if (!load_config(bio_err, NULL))
+               goto end;
+
        if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
-               ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
+               ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
+               ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
                {
                BIO_printf(bio_err,"out of memory\n");
                goto end;
@@ -256,6 +336,11 @@ int MAIN(int argc, char **argv)
                        if (--argc < 1) goto bad;
                        cert_file= *(++argv);
                        }
+               else if (strcmp(*argv,"-certform") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       cert_format = str2fmt(*(++argv));
+                       }
                else if (strcmp(*argv,"-crl_check") == 0)
                        vflags |= X509_V_FLAG_CRL_CHECK;
                else if (strcmp(*argv,"-crl_check_all") == 0)
@@ -275,6 +360,8 @@ int MAIN(int argc, char **argv)
                        c_Pause=1;
                else if (strcmp(*argv,"-debug") == 0)
                        c_debug=1;
+               else if (strcmp(*argv,"-msg") == 0)
+                       c_msg=1;
                else if (strcmp(*argv,"-showcerts") == 0)
                        c_showcerts=1;
                else if (strcmp(*argv,"-nbio_test") == 0)
@@ -295,6 +382,16 @@ int MAIN(int argc, char **argv)
 #endif
                else if (strcmp(*argv,"-bugs") == 0)
                        bugs=1;
+               else if (strcmp(*argv,"-keyform") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       key_format = str2fmt(*(++argv));
+                       }
+               else if (strcmp(*argv,"-pass") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       passarg = *(++argv);
+                       }
                else if (strcmp(*argv,"-key") == 0)
                        {
                        if (--argc < 1) goto bad;
@@ -331,11 +428,24 @@ int MAIN(int argc, char **argv)
                else if (strcmp(*argv,"-nbio") == 0)
                        { c_nbio=1; }
 #endif
+               else if (strcmp(*argv,"-starttls") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       ++argv;
+                       if (strcmp(*argv,"smtp") == 0)
+                               starttls_proto = 1;
+                       else if (strcmp(*argv,"pop3") == 0)
+                               starttls_proto = 2;
+                       else
+                               goto bad;
+                       }
+#ifndef OPENSSL_NO_ENGINE
                else if (strcmp(*argv,"-engine") == 0)
                        {
                        if (--argc < 1) goto bad;
                        engine_id = *(++argv);
                        }
+#endif
                else if (strcmp(*argv,"-rand") == 0)
                        {
                        if (--argc < 1) goto bad;
@@ -357,6 +467,38 @@ bad:
                goto end;
                }
 
+       OpenSSL_add_ssl_algorithms();
+       SSL_load_error_strings();
+
+#ifndef OPENSSL_NO_ENGINE
+        e = setup_engine(bio_err, engine_id, 1);
+#endif
+       if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
+               {
+               BIO_printf(bio_err, "Error getting password\n");
+               goto end;
+               }
+
+       if (key_file == NULL)
+               key_file = cert_file;
+
+       key = load_key(bio_err, key_file, key_format, 0, pass, e,
+                      "client certificate private key file");
+       if (!key)
+               {
+               ERR_print_errors(bio_err);
+               goto end;
+               }
+
+       cert = load_cert(bio_err,cert_file,cert_format,
+                       NULL, e, "client certificate file");
+
+       if (!cert)
+               {
+               ERR_print_errors(bio_err);
+               goto end;
+               }
+
        if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
                && !RAND_status())
                {
@@ -368,7 +510,7 @@ bad:
 
        if (bio_c_out == NULL)
                {
-               if (c_quiet)
+               if (c_quiet && !c_debug && !c_msg)
                        {
                        bio_c_out=BIO_new(BIO_s_null());
                        }
@@ -379,11 +521,6 @@ bad:
                        }
                }
 
-       OpenSSL_add_ssl_algorithms();
-       SSL_load_error_strings();
-
-        e = setup_engine(bio_err, engine_id, 1);
-
        ctx=SSL_CTX_new(meth);
        if (ctx == NULL)
                {
@@ -409,7 +546,7 @@ bad:
 #endif
 
        SSL_CTX_set_verify(ctx,verify,verify_callback);
-       if (!set_cert_stuff(ctx,cert_file,key_file))
+       if (!set_cert_key_stuff(ctx,cert,key))
                goto end;
 
        if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
@@ -468,9 +605,14 @@ re_start:
        if (c_debug)
                {
                con->debug=1;
-               BIO_set_callback(sbio,bio_dump_cb);
+               BIO_set_callback(sbio,bio_dump_callback);
                BIO_set_callback_arg(sbio,bio_c_out);
                }
+       if (c_msg)
+               {
+               SSL_set_msg_callback(con, msg_cb);
+               SSL_set_msg_callback_arg(con, bio_c_out);
+               }
 
        SSL_set_bio(con,sbio,sbio);
        SSL_set_connect_state(con);
@@ -489,6 +631,20 @@ re_start:
        sbuf_len=0;
        sbuf_off=0;
 
+       /* This is an ugly hack that does a lot of assumptions */
+       if (starttls_proto == 1)
+               {
+               BIO_read(sbio,mbuf,BUFSIZZ);
+               BIO_printf(sbio,"STARTTLS\r\n");
+               BIO_read(sbio,sbuf,BUFSIZZ);
+               }
+       if (starttls_proto == 2)
+               {
+               BIO_read(sbio,mbuf,BUFSIZZ);
+               BIO_printf(sbio,"STLS\r\n");
+               BIO_read(sbio,sbuf,BUFSIZZ);
+               }
+
        for (;;)
                {
                FD_ZERO(&readfds);
@@ -508,6 +664,13 @@ re_start:
                                print_stuff(bio_c_out,con,full_log);
                                if (full_log > 0) full_log--;
 
+                               if (starttls_proto)
+                                       {
+                                       BIO_printf(bio_err,"%s",mbuf);
+                                       /* We don't need to know any more */
+                                       starttls_proto = 0;
+                                       }
+
                                if (reconnect)
                                        {
                                        reconnect--;
@@ -524,7 +687,7 @@ re_start:
 
                if (!ssl_pending)
                        {
-#ifndef OPENSSL_SYS_WINDOWS
+#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
                        if (tty_on)
                                {
                                if (read_tty)  FD_SET(fileno(stdin),&readfds);
@@ -551,8 +714,8 @@ re_start:
                         * will choke the compiler: if you do have a cast then
                         * you can either go for (int *) or (void *).
                         */
-#ifdef OPENSSL_SYS_WINDOWS
-                       /* Under Windows we make the assumption that we can
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
+                        /* Under Windows/DOS we make the assumption that we can
                         * always write to the tty: therefore if we need to
                         * write to the tty we just fall through. Otherwise
                         * we timeout the select every second and see if there
@@ -566,10 +729,24 @@ re_start:
                                        tv.tv_usec = 0;
                                        i=select(width,(void *)&readfds,(void *)&writefds,
                                                 NULL,&tv);
+#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
+                                       if(!i && (!_kbhit() || !read_tty) ) continue;
+#else
                                        if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
+#endif
                                } else  i=select(width,(void *)&readfds,(void *)&writefds,
                                         NULL,NULL);
                        }
+#elif defined(OPENSSL_SYS_NETWARE)
+                       if(!write_tty) {
+                               if(read_tty) {
+                                       tv.tv_sec = 1;
+                                       tv.tv_usec = 0;
+                                       i=select(width,(void *)&readfds,(void *)&writefds,
+                                               NULL,&tv);
+                               } else  i=select(width,(void *)&readfds,(void *)&writefds,
+                                       NULL,NULL);
+                       }
 #else
                        i=select(width,(void *)&readfds,(void *)&writefds,
                                 NULL,NULL);
@@ -650,8 +827,8 @@ re_start:
                                goto shut;
                                }
                        }
-#ifdef OPENSSL_SYS_WINDOWS
-               /* Assume Windows can always write */
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
+               /* Assume Windows/DOS can always write */
                else if (!ssl_pending && write_tty)
 #else
                else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
@@ -731,8 +908,14 @@ printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240
                                }
                        }
 
-#ifdef OPENSSL_SYS_WINDOWS
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
+#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
+               else if (_kbhit())
+#else
                else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
+#endif
+#elif defined (OPENSSL_SYS_NETWARE)
+        else if (_kbhit())
 #else
                else if (FD_ISSET(fileno(stdin),&readfds))
 #endif
@@ -796,14 +979,22 @@ end:
        if (con != NULL) SSL_free(con);
        if (con2 != NULL) SSL_free(con2);
        if (ctx != NULL) SSL_CTX_free(ctx);
-       if (cbuf != NULL) { memset(cbuf,0,BUFSIZZ); OPENSSL_free(cbuf); }
-       if (sbuf != NULL) { memset(sbuf,0,BUFSIZZ); OPENSSL_free(sbuf); }
+       if (cert)
+               X509_free(cert);
+       if (key)
+               EVP_PKEY_free(key);
+       if (pass)
+               OPENSSL_free(pass);
+       if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
+       if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
+       if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
        if (bio_c_out != NULL)
                {
                BIO_free(bio_c_out);
                bio_c_out=NULL;
                }
-       EXIT(ret);
+       apps_shutdown();
+       OPENSSL_EXIT(ret);
        }
 
 
@@ -818,6 +1009,7 @@ static void print_stuff(BIO *bio, SSL *s, int full)
        SSL_CIPHER *c;
        X509_NAME *xn;
        int j,i;
+       const COMP_METHOD *comp, *expansion;
 
        if (full)
                {
@@ -832,10 +1024,10 @@ static void print_stuff(BIO *bio, SSL *s, int full)
                        for (i=0; i<sk_X509_num(sk); i++)
                                {
                                X509_NAME_oneline(X509_get_subject_name(
-                                       sk_X509_value(sk,i)),buf,BUFSIZ);
+                                       sk_X509_value(sk,i)),buf,sizeof buf);
                                BIO_printf(bio,"%2d s:%s\n",i,buf);
                                X509_NAME_oneline(X509_get_issuer_name(
-                                       sk_X509_value(sk,i)),buf,BUFSIZ);
+                                       sk_X509_value(sk,i)),buf,sizeof buf);
                                BIO_printf(bio,"   i:%s\n",buf);
                                if (c_showcerts)
                                        PEM_write_bio_X509(bio,sk_X509_value(sk,i));
@@ -850,10 +1042,10 @@ static void print_stuff(BIO *bio, SSL *s, int full)
                        if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
                                PEM_write_bio_X509(bio,peer);
                        X509_NAME_oneline(X509_get_subject_name(peer),
-                               buf,BUFSIZ);
+                               buf,sizeof buf);
                        BIO_printf(bio,"subject=%s\n",buf);
                        X509_NAME_oneline(X509_get_issuer_name(peer),
-                               buf,BUFSIZ);
+                               buf,sizeof buf);
                        BIO_printf(bio,"issuer=%s\n",buf);
                        }
                else
@@ -875,7 +1067,7 @@ static void print_stuff(BIO *bio, SSL *s, int full)
                        {
                        BIO_printf(bio,"---\nNo client certificate CA names sent\n");
                        }
-               p=SSL_get_shared_ciphers(s,buf,BUFSIZ);
+               p=SSL_get_shared_ciphers(s,buf,sizeof buf);
                if (p != NULL)
                        {
                        /* This works only for SSL 2.  In later protocol
@@ -920,9 +1112,17 @@ static void print_stuff(BIO *bio, SSL *s, int full)
                                                         EVP_PKEY_bits(pktmp));
                EVP_PKEY_free(pktmp);
        }
+       comp=SSL_get_current_compression(s);
+       expansion=SSL_get_current_expansion(s);
+       BIO_printf(bio,"Compression: %s\n",
+               comp ? SSL_COMP_get_name(comp) : "NONE");
+       BIO_printf(bio,"Expansion: %s\n",
+               expansion ? SSL_COMP_get_name(expansion) : "NONE");
        SSL_SESSION_print(bio,SSL_get_session(s));
        BIO_printf(bio,"---\n");
        if (peer != NULL)
                X509_free(peer);
+       /* flush, or debugging output gets mixed with http response */
+       BIO_flush(bio);
        }