X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Fs_client.c;h=1a9565e1ac322b39ee45c7ddb1f441bc2c4645a6;hp=1fa157573a743751cf32436754652b8bc9f7f8d3;hb=56dde3ebe6df8d925fa2465df9c87ed5506aa107;hpb=bc2e519a89dec54f7a075170ac5d9102642a6cbe

diff --git a/apps/s_client.c b/apps/s_client.c
index 1fa157573a..1a9565e1ac 100644
--- a/apps/s_client.c
+++ b/apps/s_client.c
@@ -56,36 +56,41 @@
  * [including the GNU Public Licence.]
  */
 
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <openssl/opensslconf.h>
+#ifdef OPENSSL_NO_STDIO
+#define APPS_WIN16
+#endif
+
 /* With IPv6, it looks like Digital has mixed up the proper order of
    recursive header file inclusion, resulting in the compiler complaining
    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
    is needed to have fileno() declared correctly...  So let's define u_int */
-#if defined(__DECC) && !defined(__U_INT)
+#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 #define __U_INT
 typedef unsigned int u_int;
 #endif
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 #define USE_SOCKETS
-#ifdef NO_STDIO
-#define APPS_WIN16
-#endif
 #include "apps.h"
 #include <openssl/x509.h>
 #include <openssl/ssl.h>
 #include <openssl/err.h>
 #include <openssl/pem.h>
+#include <openssl/engine.h>
 #include "s_apps.h"
 
-#if (defined(VMS) && __VMS_VER < 70000000)
-/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
-#undef FIONBIO
+#ifdef OPENSSL_SYS_WINDOWS
+#include <conio.h>
 #endif
 
-#if defined(NO_RSA) && !defined(NO_SSL2)
-#define NO_SSL2
+
+#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
+/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
+#undef FIONBIO
 #endif
 
 #undef PROG
@@ -114,6 +119,7 @@ static void sc_usage(void);
 static void print_stuff(BIO *berr,SSL *con,int full);
 static BIO *bio_c_out=NULL;
 static int c_quiet=0;
+static int c_ign_eof=0;
 
 static void sc_usage(void)
 	{
@@ -138,17 +144,24 @@ static void sc_usage(void)
 #ifdef FIONBIO
 	BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 #endif
+	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," -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," -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," -cipher       - prefered cipher to use, use the 'openssl ciphers'\n");
+	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," -engine id    - Initialise and use the specified engine\n");
+	BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 
 	}
 
+int MAIN(int, char **);
+
 int MAIN(int argc, char **argv)
 	{
 	int off=0;
@@ -164,32 +177,40 @@ int MAIN(int argc, char **argv)
 	char *cert_file=NULL,*key_file=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 prexit = 0;
 	SSL_METHOD *meth=NULL;
 	BIO *sbio;
-	/*static struct timeval timeout={10,0};*/
+	char *inrand=NULL;
+	char *engine_id=NULL;
+	ENGINE *e=NULL;
+#ifdef OPENSSL_SYS_WINDOWS
+	struct timeval tv;
+#endif
 
-#if !defined(NO_SSL2) && !defined(NO_SSL3)
+#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 	meth=SSLv23_client_method();
-#elif !defined(NO_SSL3)
+#elif !defined(OPENSSL_NO_SSL3)
 	meth=SSLv3_client_method();
-#elif !defined(NO_SSL2)
+#elif !defined(OPENSSL_NO_SSL2)
 	meth=SSLv2_client_method();
 #endif
 
 	apps_startup();
 	c_Pause=0;
 	c_quiet=0;
+	c_ign_eof=0;
 	c_debug=0;
 	c_showcerts=0;
 
 	if (bio_err == NULL)
 		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 
-	if (	((cbuf=Malloc(BUFSIZZ)) == NULL) ||
-		((sbuf=Malloc(BUFSIZZ)) == NULL))
+	if (	((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
+		((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 		{
 		BIO_printf(bio_err,"out of memory\n");
 		goto end;
@@ -234,8 +255,17 @@ int MAIN(int argc, char **argv)
 			if (--argc < 1) goto bad;
 			cert_file= *(++argv);
 			}
+		else if	(strcmp(*argv,"-prexit") == 0)
+			prexit=1;
+		else if	(strcmp(*argv,"-crlf") == 0)
+			crlf=1;
 		else if	(strcmp(*argv,"-quiet") == 0)
+			{
 			c_quiet=1;
+			c_ign_eof=1;
+			}
+		else if	(strcmp(*argv,"-ign_eof") == 0)
+			c_ign_eof=1;
 		else if	(strcmp(*argv,"-pause") == 0)
 			c_Pause=1;
 		else if	(strcmp(*argv,"-debug") == 0)
@@ -246,15 +276,15 @@ int MAIN(int argc, char **argv)
 			nbio_test=1;
 		else if	(strcmp(*argv,"-state") == 0)
 			state=1;
-#ifndef NO_SSL2
+#ifndef OPENSSL_NO_SSL2
 		else if	(strcmp(*argv,"-ssl2") == 0)
 			meth=SSLv2_client_method();
 #endif
-#ifndef NO_SSL3
+#ifndef OPENSSL_NO_SSL3
 		else if	(strcmp(*argv,"-ssl3") == 0)
 			meth=SSLv3_client_method();
 #endif
-#ifndef NO_TLS1
+#ifndef OPENSSL_NO_TLS1
 		else if	(strcmp(*argv,"-tls1") == 0)
 			meth=TLSv1_client_method();
 #endif
@@ -285,6 +315,8 @@ int MAIN(int argc, char **argv)
 			off|=SSL_OP_NO_SSLv3;
 		else if (strcmp(*argv,"-no_ssl2") == 0)
 			off|=SSL_OP_NO_SSLv2;
+		else if (strcmp(*argv,"-serverpref") == 0)
+			off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
 		else if	(strcmp(*argv,"-cipher") == 0)
 			{
 			if (--argc < 1) goto bad;
@@ -294,6 +326,16 @@ int MAIN(int argc, char **argv)
 		else if (strcmp(*argv,"-nbio") == 0)
 			{ c_nbio=1; }
 #endif
+		else if	(strcmp(*argv,"-engine") == 0)
+			{
+			if (--argc < 1) goto bad;
+			engine_id = *(++argv);
+			}
+		else if (strcmp(*argv,"-rand") == 0)
+			{
+			if (--argc < 1) goto bad;
+			inrand= *(++argv);
+			}
 		else
 			{
 			BIO_printf(bio_err,"unknown option %s\n",*argv);
@@ -310,6 +352,15 @@ bad:
 		goto end;
 		}
 
+	if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
+		&& !RAND_status())
+		{
+		BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
+		}
+	if (inrand != NULL)
+		BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
+			app_RAND_load_files(inrand));
+
 	if (bio_c_out == NULL)
 		{
 		if (c_quiet)
@@ -323,7 +374,32 @@ bad:
 			}
 		}
 
-	SSLeay_add_ssl_algorithms();
+	OpenSSL_add_ssl_algorithms();
+	SSL_load_error_strings();
+
+	if (engine_id != NULL)
+		{
+		if((e = ENGINE_by_id(engine_id)) == NULL)
+			{
+			BIO_printf(bio_err,"invalid engine\n");
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+		if (c_debug)
+			{
+			ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
+				0, bio_err, 0);
+			}
+		if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
+			{
+			BIO_printf(bio_err,"can't use that engine\n");
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+		BIO_printf(bio_err,"engine \"%s\" set.\n", engine_id);
+		ENGINE_free(e);
+		}
+
 	ctx=SSL_CTX_new(meth);
 	if (ctx == NULL)
 		{
@@ -338,7 +414,11 @@ bad:
 
 	if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 	if (cipher != NULL)
-		SSL_CTX_set_cipher_list(ctx,cipher);
+		if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
+		BIO_printf(bio_err,"error setting cipher list\n");
+		ERR_print_errors(bio_err);
+		goto end;
+	}
 #if 0
 	else
 		SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
@@ -351,14 +431,19 @@ bad:
 	if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
 		(!SSL_CTX_set_default_verify_paths(ctx)))
 		{
-		/* BIO_printf(bio_err,"error seting default verify locations\n"); */
+		/* BIO_printf(bio_err,"error setting default verify locations\n"); */
 		ERR_print_errors(bio_err);
 		/* goto end; */
 		}
 
-	SSL_load_error_strings();
 
-	con=(SSL *)SSL_new(ctx);
+	con=SSL_new(ctx);
+#ifndef OPENSSL_NO_KRB5
+	if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
+                {
+                kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
+		}
+#endif	/* OPENSSL_NO_KRB5  */
 /*	SSL_set_cipher_list(con,"RC4-MD5"); */
 
 re_start:
@@ -453,18 +538,24 @@ re_start:
 
 		if (!ssl_pending)
 			{
-#ifndef WINDOWS
+#ifndef OPENSSL_SYS_WINDOWS
 			if (tty_on)
 				{
 				if (read_tty)  FD_SET(fileno(stdin),&readfds);
 				if (write_tty) FD_SET(fileno(stdout),&writefds);
 				}
-#endif
 			if (read_ssl)
 				FD_SET(SSL_get_fd(con),&readfds);
 			if (write_ssl)
 				FD_SET(SSL_get_fd(con),&writefds);
-
+#else
+			if(!tty_on || !write_tty) {
+				if (read_ssl)
+					FD_SET(SSL_get_fd(con),&readfds);
+				if (write_ssl)
+					FD_SET(SSL_get_fd(con),&writefds);
+			}
+#endif
 /*			printf("mode tty(%d %d%d) ssl(%d%d)\n",
 				tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
 
@@ -474,8 +565,29 @@ 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
+			 * 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
+			 * are any keypresses. Note: this is a hack, in a proper
+			 * Windows application we wouldn't do this.
+			 */
+			i=0;
+			if(!write_tty) {
+				if(read_tty) {
+					tv.tv_sec = 1;
+					tv.tv_usec = 0;
+					i=select(width,(void *)&readfds,(void *)&writefds,
+						 NULL,&tv);
+					if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
+				} else 	i=select(width,(void *)&readfds,(void *)&writefds,
+					 NULL,NULL);
+			}
+#else
 			i=select(width,(void *)&readfds,(void *)&writefds,
 				 NULL,NULL);
+#endif
 			if ( i < 0)
 				{
 				BIO_printf(bio_err,"bad select %d\n",
@@ -552,9 +664,16 @@ re_start:
 				goto shut;
 				}
 			}
-#ifndef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
+		/* Assume Windows can always write */
+		else if (!ssl_pending && write_tty)
+#else
 		else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
+#endif
 			{
+#ifdef CHARSET_EBCDIC
+			ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
+#endif
 			i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
 
 			if (i <= 0)
@@ -572,7 +691,6 @@ re_start:
 				write_tty=0;
 				}
 			}
-#endif
 		else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
 			{
 #ifdef RENEG
@@ -627,18 +745,44 @@ printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240
 				}
 			}
 
-#ifndef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
+		else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
+#else
 		else if (FD_ISSET(fileno(stdin),&readfds))
+#endif
 			{
-			i=read(fileno(stdin),cbuf,BUFSIZZ);
+			if (crlf)
+				{
+				int j, lf_num;
+
+				i=read(fileno(stdin),cbuf,BUFSIZZ/2);
+				lf_num = 0;
+				/* both loops are skipped when i <= 0 */
+				for (j = 0; j < i; j++)
+					if (cbuf[j] == '\n')
+						lf_num++;
+				for (j = i-1; j >= 0; j--)
+					{
+					cbuf[j+lf_num] = cbuf[j];
+					if (cbuf[j] == '\n')
+						{
+						lf_num--;
+						i++;
+						cbuf[j+lf_num] = '\r';
+						}
+					}
+				assert(lf_num == 0);
+				}
+			else
+				i=read(fileno(stdin),cbuf,BUFSIZZ);
 
-			if ((!c_quiet) && ((i <= 0) || (cbuf[0] == 'Q')))
+			if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
 				{
 				BIO_printf(bio_err,"DONE\n");
 				goto shut;
 				}
 
-			if ((!c_quiet) && (cbuf[0] == 'R'))
+			if ((!c_ign_eof) && (cbuf[0] == 'R'))
 				{
 				BIO_printf(bio_err,"RENEGOTIATING\n");
 				SSL_renegotiate(con);
@@ -648,23 +792,26 @@ printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240
 				{
 				cbuf_len=i;
 				cbuf_off=0;
+#ifdef CHARSET_EBCDIC
+				ebcdic2ascii(cbuf, cbuf, i);
+#endif
 				}
 
 			write_ssl=1;
 			read_tty=0;
 			}
-#endif
 		}
 shut:
 	SSL_shutdown(con);
 	SHUTDOWN(SSL_get_fd(con));
 	ret=0;
 end:
+	if(prexit) print_stuff(bio_c_out,con,1);
 	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); Free(cbuf); }
-	if (sbuf != NULL) { memset(sbuf,0,BUFSIZZ); Free(sbuf); }
+	if (cbuf != NULL) { memset(cbuf,0,BUFSIZZ); OPENSSL_free(cbuf); }
+	if (sbuf != NULL) { memset(sbuf,0,BUFSIZZ); OPENSSL_free(sbuf); }
 	if (bio_c_out != NULL)
 		{
 		BIO_free(bio_c_out);