X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=apps%2Fs_client.c;h=f0c2280d2ec326e94fd980a0a677a7248e19eb20;hb=54a29df0ec79db2e38c8b3a58a276fa47ae80199;hp=a75e8ae3112227b7e939ebc3ea7b24318008fc96;hpb=a8236c8c322101c273d14c62282f264555e147c4;p=oweals%2Fopenssl.git

diff --git a/apps/s_client.c b/apps/s_client.c
index a75e8ae311..f0c2280d2e 100644
--- a/apps/s_client.c
+++ b/apps/s_client.c
@@ -64,12 +64,16 @@
 #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"
 
+#if defined(NO_RSA) && !defined(NO_SSL2)
+#define NO_SSL2
+#endif
+
 #undef PROG
 #define PROG	s_client_main
 
@@ -90,19 +94,14 @@ 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: s_client args\n");
 	BIO_printf(bio_err,"\n");
@@ -118,6 +117,7 @@ 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");
@@ -135,9 +135,7 @@ static void sc_usage()
 
 	}
 
-int MAIN(argc, argv)
-int argc;
-char **argv;
+int MAIN(int argc, char **argv)
 	{
 	int off=0;
 	SSL *con=NULL,*con2=NULL;
@@ -152,7 +150,7 @@ 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;
@@ -171,6 +169,7 @@ char **argv;
 	c_Pause=0;
 	c_quiet=0;
 	c_debug=0;
+	c_showcerts=0;
 
 	if (bio_err == NULL)
 		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
@@ -227,6 +226,8 @@ 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)
@@ -434,31 +435,36 @@ 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);*/
 
-		i=select(width,&readfds,&writefds,NULL,NULL);
-		if ( i < 0)
-			{
-			BIO_printf(bio_err,"bad select %d\n",
+			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; */
+				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);
@@ -526,7 +532,7 @@ 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);
 
@@ -546,7 +552,7 @@ re_start:
 				}
 			}
 #endif
-		else if (FD_ISSET(SSL_get_fd(con),&readfds))
+		else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
 			{
 #ifdef RENEG
 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
@@ -613,9 +619,9 @@ printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240
 
 			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
 				{
@@ -623,8 +629,8 @@ printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240
 				cbuf_off=0;
 				}
 
-			read_tty=0;
 			write_ssl=1;
+			read_tty=0;
 			}
 #endif
 		}
@@ -647,16 +653,14 @@ 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=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;
@@ -667,14 +671,16 @@ int full;
 		if (sk != NULL)
 			{
 			BIO_printf(bio,"---\nCertificate chain\n");
-			for (i=0; i<sk_num(sk); i++)
+			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));
 				}
 			}
 
@@ -683,7 +689,8 @@ 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);
@@ -694,13 +701,13 @@ int full;
 		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);
@@ -713,6 +720,11 @@ int full;
 		p=SSL_get_shared_ciphers(s,buf,BUFSIZ);
 		if (p != NULL)
 			{
+			/* This works only for SSL 2.  In later protocol
+			 * versions, the client does not know what other
+			 * ciphers (in addition to the one to be used
+			 * in the current connection) the server supports. */
+
 			BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
 			j=i=0;
 			while (*p)