X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Fs_client.c;h=ae3ce3e4e855aebeb09cbe1cd47e3eca99f7e942;hp=b5dc238878a73aa8b264ca57414a41950fb404fd;hb=a9be3af5ad4836f7e50f0546311ca90c717b861e;hpb=eda1f21f1af8b6f77327e7b37573af9c1ba73726

diff --git a/apps/s_client.c b/apps/s_client.c
index b5dc238878..ae3ce3e4e8 100644
--- a/apps/s_client.c
+++ b/apps/s_client.c
@@ -1,5 +1,5 @@
 /* apps/s_client.c */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * This package is an SSL implementation written
@@ -60,14 +60,14 @@
 #include <stdlib.h>
 #include <string.h>
 #define USE_SOCKETS
-#ifdef WIN16
+#ifdef NO_STDIO
 #define APPS_WIN16
 #endif
 #include "apps.h"
-#include "x509.h"
-#include "ssl.h"
-#include "err.h"
-#include "pem.h"
+#include <openssl/x509.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/pem.h>
 #include "s_apps.h"
 
 #undef PROG
@@ -90,21 +90,16 @@ static int c_nbio=0;
 #endif
 static int c_Pause=0;
 static int c_debug=0;
+static int c_showcerts=0;
 
-#ifndef NOPROTO
 static void sc_usage(void);
 static void print_stuff(BIO *berr,SSL *con,int full);
-#else
-static void sc_usage();
-static void print_stuff();
-#endif
-
 static BIO *bio_c_out=NULL;
 static int c_quiet=0;
 
-static void sc_usage()
+static void sc_usage(void)
 	{
-	BIO_printf(bio_err,"usage: client args\n");
+	BIO_printf(bio_err,"usage: s_client args\n");
 	BIO_printf(bio_err,"\n");
 	BIO_printf(bio_err," -host host     - use -connect instead\n");
 	BIO_printf(bio_err," -port port     - use -connect instead\n");
@@ -118,6 +113,7 @@ static void sc_usage()
 	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," -nbio_test    - more ssl protocol testing\n");
 	BIO_printf(bio_err," -state        - print the 'ssl' states\n");
@@ -127,16 +123,17 @@ static void sc_usage()
 	BIO_printf(bio_err," -quiet        - no s_client output\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 'ssleay ciphers'\n");
-	BIO_printf(bio_err,"                 command to se what is available\n");
+	BIO_printf(bio_err," -cipher       - prefered cipher to use, use the 'openssl ciphers'\n");
+	BIO_printf(bio_err,"                 command to see what is available\n");
 
 	}
 
-int MAIN(argc, argv)
-int argc;
-char **argv;
+int MAIN(int argc, char **argv)
 	{
+	int off=0;
 	SSL *con=NULL,*con2=NULL;
 	int s,k,width,state=0;
 	char *cbuf=NULL,*sbuf=NULL;
@@ -149,7 +146,7 @@ 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 write_tty,read_tty,write_ssl,read_ssl,tty_on;
+	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;
 	SSL_METHOD *meth=NULL;
@@ -165,8 +162,10 @@ char **argv;
 #endif
 
 	apps_startup();
+	c_Pause=0;
 	c_quiet=0;
 	c_debug=0;
+	c_showcerts=0;
 
 	if (bio_err == NULL)
 		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
@@ -223,6 +222,8 @@ char **argv;
 			c_Pause=1;
 		else if	(strcmp(*argv,"-debug") == 0)
 			c_debug=1;
+		else if	(strcmp(*argv,"-showcerts") == 0)
+			c_showcerts=1;
 		else if	(strcmp(*argv,"-nbio_test") == 0)
 			nbio_test=1;
 		else if	(strcmp(*argv,"-state") == 0)
@@ -234,6 +235,10 @@ char **argv;
 #ifndef NO_SSL3
 		else if	(strcmp(*argv,"-ssl3") == 0)
 			meth=SSLv3_client_method();
+#endif
+#ifndef NO_TLS1
+		else if	(strcmp(*argv,"-tls1") == 0)
+			meth=TLSv1_client_method();
 #endif
 		else if (strcmp(*argv,"-bugs") == 0)
 			bugs=1;
@@ -256,6 +261,12 @@ char **argv;
 			if (--argc < 1) goto bad;
 			CAfile= *(++argv);
 			}
+		else if (strcmp(*argv,"-no_tls1") == 0)
+			off|=SSL_OP_NO_TLSv1;
+		else if (strcmp(*argv,"-no_ssl3") == 0)
+			off|=SSL_OP_NO_SSLv3;
+		else if (strcmp(*argv,"-no_ssl2") == 0)
+			off|=SSL_OP_NO_SSLv2;
 		else if	(strcmp(*argv,"-cipher") == 0)
 			{
 			if (--argc < 1) goto bad;
@@ -302,7 +313,10 @@ bad:
 		goto end;
 		}
 
-	if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
+	if (bugs)
+		SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
+	else
+		SSL_CTX_set_options(ctx,off);
 
 	if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 	if (cipher != NULL)
@@ -319,20 +333,21 @@ 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 seting default verify locations\n"); */
 		ERR_print_errors(bio_err);
-		goto end;
+		/* goto end; */
 		}
 
 	SSL_load_error_strings();
 
 	con=(SSL *)SSL_new(ctx);
+/*	SSL_set_cipher_list(con,"RC4-MD5"); */
 
 re_start:
 
 	if (init_client(&s,host,port) == 0)
 		{
-		BIO_printf(bio_err,"connect:errno=%d\n",errno);
+		BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
 		SHUTDOWN(s);
 		goto end;
 		}
@@ -343,7 +358,11 @@ re_start:
 		{
 		unsigned long l=1;
 		BIO_printf(bio_c_out,"turning on non blocking io\n");
-		socket_ioctl(s,FIONBIO,&l);
+		if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
+			{
+			ERR_print_errors(bio_err);
+			goto end;
+			}
 		}
 #endif                                              
 	if (c_Pause & 0x01) con->debug=1;
@@ -386,7 +405,7 @@ re_start:
 		FD_ZERO(&readfds);
 		FD_ZERO(&writefds);
 
-		if (SSL_in_init(con))
+		if (SSL_in_init(con) && !SSL_total_renegotiations(con))
 			{
 			in_init=1;
 			tty_on=0;
@@ -412,31 +431,36 @@ re_start:
 				}
 			}
 
-#ifndef WINDOWS
-		if (tty_on)
+		ssl_pending = read_ssl && SSL_pending(con);
+
+		if (!ssl_pending)
 			{
-			if (read_tty)  FD_SET(fileno(stdin),&readfds);
-			if (write_tty) FD_SET(fileno(stdout),&writefds);
-			}
+#ifndef 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);
+			if (read_ssl)
+				FD_SET(SSL_get_fd(con),&readfds);
+			if (write_ssl)
+				FD_SET(SSL_get_fd(con),&writefds);
 
-/*		printf("mode tty(%d %d%d) ssl(%d%d)\n",
-			tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
+/*			printf("mode tty(%d %d%d) ssl(%d%d)\n",
+				tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
 
-/*		printf("pending=%d\n",SSL_pending(con)); */
-		i=select(width,&readfds,&writefds,NULL,NULL);
-		if ( i < 0)
-			{
-			BIO_printf(bio_err,"bad select %d\n",sock_err());
-			goto shut;
-			/* goto end; */
+			i=select(width,&readfds,&writefds,NULL,NULL);
+			if ( i < 0)
+				{
+				BIO_printf(bio_err,"bad select %d\n",
+				get_last_socket_error());
+				goto shut;
+				/* goto end; */
+				}
 			}
 
-		if (FD_ISSET(SSL_get_fd(con),&writefds))
+		if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
 			{
 			k=SSL_write(con,&(cbuf[cbuf_off]),
 				(unsigned int)cbuf_len);
@@ -489,7 +513,7 @@ re_start:
 				if ((k != 0) || (cbuf_len != 0))
 					{
 					BIO_printf(bio_err,"write:errno=%d\n",
-						errno);
+						get_last_socket_error());
 					goto shut;
 					}
 				else
@@ -504,7 +528,7 @@ re_start:
 				}
 			}
 #ifndef WINDOWS
-		else if (FD_ISSET(fileno(stdout),&writefds))
+		else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
 			{
 			i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
 
@@ -524,9 +548,20 @@ re_start:
 				}
 			}
 #endif
-		else if (FD_ISSET(SSL_get_fd(con),&readfds))
+		else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
 			{
-			k=SSL_read(con,sbuf,BUFSIZZ);
+#ifdef RENEG
+{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
+#endif
+#if 1
+			k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
+#else
+/* Demo for pending and peek :-) */
+			k=SSL_read(con,sbuf,16);
+{ char zbuf[10240]; 
+printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
+}
+#endif
 
 			switch (SSL_get_error(con,k))
 				{
@@ -555,7 +590,7 @@ re_start:
 				BIO_printf(bio_c_out,"read X BLOCK\n");
 				break;
 			case SSL_ERROR_SYSCALL:
-				BIO_printf(bio_err,"read:errno=%d\n",errno);
+				BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
 				goto shut;
 			case SSL_ERROR_ZERO_RETURN:
 				BIO_printf(bio_c_out,"closed\n");
@@ -563,7 +598,7 @@ re_start:
 			case SSL_ERROR_SSL:
 				ERR_print_errors(bio_err);
 				goto shut;
-				break;
+				/* break; */
 				}
 			}
 
@@ -580,9 +615,9 @@ re_start:
 
 			if ((!c_quiet) && (cbuf[0] == 'R'))
 				{
+				BIO_printf(bio_err,"RENEGOTIATING\n");
 				SSL_renegotiate(con);
-				read_tty=0;
-				write_ssl=1;
+				cbuf_len=0;
 				}
 			else
 				{
@@ -590,8 +625,8 @@ re_start:
 				cbuf_off=0;
 				}
 
-			read_tty=0;
 			write_ssl=1;
+			read_tty=0;
 			}
 #endif
 		}
@@ -614,16 +649,14 @@ end:
 	}
 
 
-static void print_stuff(bio,s,full)
-BIO *bio;
-SSL *s;
-int full;
+static void print_stuff(BIO *bio, SSL *s, int full)
 	{
-	X509 *peer;
+	X509 *peer=NULL;
 	char *p;
 	static char *space="                ";
 	char buf[BUFSIZ];
-	STACK *sk;
+	STACK_OF(X509) *sk;
+	STACK_OF(X509_NAME) *sk2;
 	SSL_CIPHER *c;
 	X509_NAME *xn;
 	int j,i;
@@ -633,15 +666,17 @@ int full;
 		sk=SSL_get_peer_cert_chain(s);
 		if (sk != NULL)
 			{
-			BIO_printf(bio,"---\nCertficate chain\n");
-			for (i=0; i<sk_num(sk); i++)
+			BIO_printf(bio,"---\nCertificate chain\n");
+			for (i=0; i<sk_X509_num(sk); i++)
 				{
-				X509_NAME_oneline(X509_get_subject_name((X509 *)
-					sk_value(sk,i)),buf,BUFSIZ);
+				X509_NAME_oneline(X509_get_subject_name(
+					sk_X509_value(sk,i)),buf,BUFSIZ);
 				BIO_printf(bio,"%2d s:%s\n",i,buf);
-				X509_NAME_oneline(X509_get_issuer_name((X509 *)
-					sk_value(sk,i)),buf,BUFSIZ);
+				X509_NAME_oneline(X509_get_issuer_name(
+					sk_X509_value(sk,i)),buf,BUFSIZ);
 				BIO_printf(bio,"   i:%s\n",buf);
+				if (c_showcerts)
+					PEM_write_bio_X509(bio,sk_X509_value(sk,i));
 				}
 			}
 
@@ -650,25 +685,25 @@ int full;
 		if (peer != NULL)
 			{
 			BIO_printf(bio,"Server certificate\n");
-			PEM_write_bio_X509(bio,peer);
+			if (!c_showcerts) /* Redundant if we showed the whole chain */
+				PEM_write_bio_X509(bio,peer);
 			X509_NAME_oneline(X509_get_subject_name(peer),
 				buf,BUFSIZ);
 			BIO_printf(bio,"subject=%s\n",buf);
 			X509_NAME_oneline(X509_get_issuer_name(peer),
 				buf,BUFSIZ);
 			BIO_printf(bio,"issuer=%s\n",buf);
-			X509_free(peer);
 			}
 		else
 			BIO_printf(bio,"no peer certificate available\n");
 
-		sk=SSL_get_client_CA_list(s);
-		if ((sk != NULL) && (sk_num(sk) > 0))
+		sk2=SSL_get_client_CA_list(s);
+		if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
 			{
 			BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
-			for (i=0; i<sk_num(sk); i++)
+			for (i=0; i<sk_X509_NAME_num(sk2); i++)
 				{
-				xn=(X509_NAME *)sk_value(sk,i);
+				xn=sk_X509_NAME_value(sk2,i);
 				X509_NAME_oneline(xn,buf,sizeof(buf));
 				BIO_write(bio,buf,strlen(buf));
 				BIO_write(bio,"\n",1);
@@ -687,7 +722,7 @@ int full;
 				{
 				if (*p == ':')
 					{
-					BIO_write(bio,space,15-j);
+					BIO_write(bio,space,15-j%25);
 					i++;
 					j=0;
 					BIO_write(bio,((i%3)?" ":"\n"),1);
@@ -711,7 +746,16 @@ int full;
 	BIO_printf(bio,"%s, Cipher is %s\n",
 		SSL_CIPHER_get_version(c),
 		SSL_CIPHER_get_name(c));
+	if (peer != NULL) {
+		EVP_PKEY *pktmp;
+		pktmp = X509_get_pubkey(peer);
+		BIO_printf(bio,"Server public key is %d bit\n",
+							 EVP_PKEY_bits(pktmp));
+		EVP_PKEY_free(pktmp);
+	}
 	SSL_SESSION_print(bio,SSL_get_session(s));
 	BIO_printf(bio,"---\n");
+	if (peer != NULL)
+		X509_free(peer);
 	}