Fixes for signed/unsigned warnings and shadows.
[openssl.git] / apps / s_server.c
index 9b8fe570cc4b543a68d8198ff04dd271ebaf141e..a5e8bcd024e7a549b4fdb4bceab5691474f9ea28 100644 (file)
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/types.h>
+
 #include <sys/stat.h>
 #include <openssl/e_os2.h>
 #ifdef OPENSSL_NO_STDIO
 #define APPS_WIN16
 #endif
 
+#if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
+#include <sys/types.h>
+#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
@@ -150,6 +154,7 @@ typedef unsigned int u_int;
 #include <openssl/ssl.h>
 #include <openssl/rand.h>
 #include "s_apps.h"
+#include "timeouts.h"
 
 #ifdef OPENSSL_SYS_WINCE
 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
@@ -176,7 +181,7 @@ static void print_stats(BIO *bp,SSL_CTX *ctx);
 static int generate_session_id(const SSL *ssl, unsigned char *id,
                                unsigned int *id_len);
 #ifndef OPENSSL_NO_DH
-static DH *load_dh_param(char *dhfile);
+static DH *load_dh_param(const char *dhfile);
 static DH *get_dh512(void);
 #endif
 
@@ -235,7 +240,7 @@ extern int verify_depth;
 static char *cipher=NULL;
 static int s_server_verify=SSL_VERIFY_NONE;
 static int s_server_session_id_context = 1; /* anything will do */
-static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
+static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
 #ifdef FIONBIO
 static int s_nbio=0;
@@ -256,6 +261,11 @@ static char *engine_id=NULL;
 #endif
 static const char *session_id_prefix=NULL;
 
+static int enable_timeouts = 0;
+static long mtu;
+static int cert_chain = 0;
+
+
 #ifdef MONOLITH
 static void s_server_init(void)
        {
@@ -292,12 +302,18 @@ static void sv_usage(void)
        BIO_printf(bio_err," -context arg  - set session ID context\n");
        BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
        BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
-       BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
+       BIO_printf(bio_err," -cert arg     - certificate file to use\n");
        BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
-       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 (default is %s)\n",TEST_CERT);
+       BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
+       BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
        BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
+       BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
        BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
+       BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
+       BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
        BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
        BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 #ifndef OPENSSL_NO_ECDH
@@ -323,6 +339,10 @@ static void sv_usage(void)
        BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
        BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
        BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
+       BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
+       BIO_printf(bio_err," -timeout      - Enable timeouts\n");
+       BIO_printf(bio_err," -mtu          - Set MTU\n");
+       BIO_printf(bio_err," -chain        - Read a certificate chain\n");
        BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
        BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
        BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
@@ -505,7 +525,7 @@ int MAIN(int argc, char *argv[])
        int vflags = 0;
        short port=PORT;
        char *CApath=NULL,*CAfile=NULL;
-       char *context = NULL;
+       unsigned char *context = NULL;
        char *dhfile = NULL;
        char *named_curve = NULL;
        int badop=0,bugs=0;
@@ -514,10 +534,17 @@ int MAIN(int argc, char *argv[])
        int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
        int state=0;
        SSL_METHOD *meth=NULL;
+    int sock_type=SOCK_STREAM;
 #ifndef OPENSSL_NO_ENGINE
        ENGINE *e=NULL;
 #endif
        char *inrand=NULL;
+       int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
+       char *passarg = NULL, *pass = NULL;
+       char *dpassarg = NULL, *dpass = NULL;
+       int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
+       X509 *s_cert = NULL, *s_dcert = NULL;
+       EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 
 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
        meth=SSLv23_server_method();
@@ -577,18 +604,33 @@ int MAIN(int argc, char *argv[])
                else if (strcmp(*argv,"-context") == 0)
                        {
                        if (--argc < 1) goto bad;
-                       context= *(++argv);
+                       context= (unsigned char *)*(++argv);
                        }
                else if (strcmp(*argv,"-cert") == 0)
                        {
                        if (--argc < 1) goto bad;
                        s_cert_file= *(++argv);
                        }
+               else if (strcmp(*argv,"-certform") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       s_cert_format = str2fmt(*(++argv));
+                       }
                else if (strcmp(*argv,"-key") == 0)
                        {
                        if (--argc < 1) goto bad;
                        s_key_file= *(++argv);
                        }
+               else if (strcmp(*argv,"-keyform") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       s_key_format = str2fmt(*(++argv));
+                       }
+               else if (strcmp(*argv,"-pass") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       passarg = *(++argv);
+                       }
                else if (strcmp(*argv,"-dhparam") == 0)
                        {
                        if (--argc < 1) goto bad;
@@ -601,11 +643,26 @@ int MAIN(int argc, char *argv[])
                        named_curve = *(++argv);
                        }
 #endif
+               else if (strcmp(*argv,"-dcertform") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       s_dcert_format = str2fmt(*(++argv));
+                       }
                else if (strcmp(*argv,"-dcert") == 0)
                        {
                        if (--argc < 1) goto bad;
                        s_dcert_file= *(++argv);
                        }
+               else if (strcmp(*argv,"-dkeyform") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       s_dkey_format = str2fmt(*(++argv));
+                       }
+               else if (strcmp(*argv,"-dpass") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       dpassarg = *(++argv);
+                       }
                else if (strcmp(*argv,"-dkey") == 0)
                        {
                        if (--argc < 1) goto bad;
@@ -694,6 +751,22 @@ int MAIN(int argc, char *argv[])
 #ifndef OPENSSL_NO_TLS1
                else if (strcmp(*argv,"-tls1") == 0)
                        { meth=TLSv1_server_method(); }
+#endif
+#ifndef OPENSSL_NO_DTLS1
+               else if (strcmp(*argv,"-dtls1") == 0)
+                       { 
+                       meth=DTLSv1_server_method();
+                       sock_type = SOCK_DGRAM;
+                       }
+               else if (strcmp(*argv,"-timeout") == 0)
+                       enable_timeouts = 1;
+               else if (strcmp(*argv,"-mtu") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       mtu = atol(*(++argv));
+                       }
+               else if (strcmp(*argv, "-chain") == 0)
+                       cert_chain = 1;
 #endif
                else if (strcmp(*argv, "-id_prefix") == 0)
                        {
@@ -735,6 +808,59 @@ bad:
         e = setup_engine(bio_err, engine_id, 1);
 #endif
 
+       if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
+               {
+               BIO_printf(bio_err, "Error getting password\n");
+               goto end;
+               }
+
+
+       if (s_key_file == NULL)
+               s_key_file = s_cert_file;
+
+       s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
+                      "server certificate private key file");
+       if (!s_key)
+               {
+               ERR_print_errors(bio_err);
+               goto end;
+               }
+
+       s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
+                       NULL, e, "server certificate file");
+
+       if (!s_cert)
+               {
+               ERR_print_errors(bio_err);
+               goto end;
+               }
+
+       if (s_dcert_file)
+               {
+
+               if (s_dkey_file == NULL)
+                       s_dkey_file = s_dcert_file;
+
+               s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
+                               0, dpass, e,
+                              "second certificate private key file");
+               if (!s_dkey)
+                       {
+                       ERR_print_errors(bio_err);
+                       goto end;
+                       }
+
+               s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
+                               NULL, e, "second server certificate file");
+
+               if (!s_dcert)
+                       {
+                       ERR_print_errors(bio_err);
+                       goto end;
+                       }
+
+               }
+
        if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
                && !RAND_status())
                {
@@ -793,6 +919,10 @@ bad:
        if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
        if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
        SSL_CTX_set_options(ctx,off);
+       /* DTLS: partial reads end up discarding unread UDP bytes :-( 
+        * Setting read ahead solves this problem.
+        */
+       if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
 
        if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 
@@ -899,11 +1029,11 @@ bad:
                }
 #endif
        
-       if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
+       if (!set_cert_key_stuff(ctx,s_cert,s_key))
                goto end;
-       if (s_dcert_file != NULL)
+       if (s_dcert != NULL)
                {
-               if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
+               if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
                        goto end;
                }
 
@@ -947,16 +1077,28 @@ bad:
 
        BIO_printf(bio_s_out,"ACCEPT\n");
        if (www)
-               do_server(port,&accept_socket,www_body, context);
+               do_server(port,sock_type,&accept_socket,www_body, context);
        else
-               do_server(port,&accept_socket,sv_body, context);
+               do_server(port,sock_type,&accept_socket,sv_body, context);
        print_stats(bio_s_out,ctx);
        ret=0;
 end:
        if (ctx != NULL) SSL_CTX_free(ctx);
+       if (s_cert)
+               X509_free(s_cert);
+       if (s_dcert)
+               X509_free(s_dcert);
+       if (s_key)
+               EVP_PKEY_free(s_key);
+       if (s_dkey)
+               EVP_PKEY_free(s_dkey);
+       if (pass)
+               OPENSSL_free(pass);
+       if (dpass)
+               OPENSSL_free(dpass);
        if (bio_s_out != NULL)
                {
-               BIO_free(bio_s_out);
+        BIO_free(bio_s_out);
                bio_s_out=NULL;
                }
        apps_shutdown();
@@ -997,7 +1139,7 @@ static int sv_body(char *hostname, int s, unsigned char *context)
        unsigned long l;
        SSL *con=NULL;
        BIO *sbio;
-#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
        struct timeval tv;
 #endif
 
@@ -1035,7 +1177,39 @@ static int sv_body(char *hostname, int s, unsigned char *context)
        }
        SSL_clear(con);
 
-       sbio=BIO_new_socket(s,BIO_NOCLOSE);
+       if (SSL_version(con) == DTLS1_VERSION)
+               {
+               struct timeval timeout;
+
+               sbio=BIO_new_dgram(s,BIO_NOCLOSE);
+
+               if ( enable_timeouts)
+                       {
+                       timeout.tv_sec = 0;
+                       timeout.tv_usec = DGRAM_RCV_TIMEOUT;
+                       BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
+                       
+                       timeout.tv_sec = 0;
+                       timeout.tv_usec = DGRAM_SND_TIMEOUT;
+                       BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
+                       }
+
+               
+               if ( mtu > 0)
+                       {
+                       SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
+                       SSL_set_mtu(con, mtu);
+                       }
+               else
+                       /* want to do MTU discovery */
+                       BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
+
+        /* turn on cookie exchange */
+        SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
+               }
+       else
+               sbio=BIO_new_socket(s,BIO_NOCLOSE);
+
        if (s_nbio_test)
                {
                BIO *test;
@@ -1050,7 +1224,7 @@ static int sv_body(char *hostname, int s, unsigned char *context)
        if (s_debug)
                {
                con->debug=1;
-               BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
+               BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
                BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
                }
        if (s_msg)
@@ -1071,7 +1245,7 @@ static int sv_body(char *hostname, int s, unsigned char *context)
                if (!read_from_sslcon)
                        {
                        FD_ZERO(&readfds);
-#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
+#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
                        FD_SET(fileno(stdin),&readfds);
 #endif
                        FD_SET(s,&readfds);
@@ -1081,7 +1255,7 @@ static int sv_body(char *hostname, int s, unsigned char *context)
                         * the compiler: if you do have a cast then you can either
                         * go for (int *) or (void *).
                         */
-#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
                         * on sockets. As a workaround we timeout the select every
                         * second and check for any keypress. In a proper Windows
@@ -1141,7 +1315,8 @@ static int sv_body(char *hostname, int s, unsigned char *context)
                                if ((i <= 0) || (buf[0] == 'q'))
                                        {
                                        BIO_printf(bio_s_out,"DONE\n");
-                                       SHUTDOWN(s);
+                                       if (SSL_version(con) != DTLS1_VERSION)
+                        SHUTDOWN(s);
        /*                              close_accept_socket();
                                        ret= -11;*/
                                        goto err;
@@ -1170,7 +1345,7 @@ static int sv_body(char *hostname, int s, unsigned char *context)
                                        }
                                if (buf[0] == 'P')
                                        {
-                                       static char *str="Lets print some clear text\n";
+                                       static const char *str="Lets print some clear text\n";
                                        BIO_write(SSL_get_wbio(con),str,strlen(str));
                                        }
                                if (buf[0] == 'S')
@@ -1354,7 +1529,7 @@ static int init_ssl_connection(SSL *con)
        }
 
 #ifndef OPENSSL_NO_DH
-static DH *load_dh_param(char *dhfile)
+static DH *load_dh_param(const char *dhfile)
        {
        DH *ret=NULL;
        BIO *bio;
@@ -1453,7 +1628,7 @@ static int www_body(char *hostname, int s, unsigned char *context)
        if (s_debug)
                {
                con->debug=1;
-               BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
+               BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
                BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
                }
        if (s_msg)
@@ -1501,7 +1676,9 @@ static int www_body(char *hostname, int s, unsigned char *context)
                        else
                                {
                                BIO_printf(bio_s_out,"read R BLOCK\n");
-#if !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
+#if defined(OPENSSL_SYS_NETWARE)
+            delay(1000);
+#elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
                                sleep(1);
 #endif
                                continue;
@@ -1520,7 +1697,7 @@ static int www_body(char *hostname, int s, unsigned char *context)
                        char *p;
                        X509 *peer;
                        STACK_OF(SSL_CIPHER) *sk;
-                       static char *space="                          ";
+                       static const char *space="                          ";
 
                        BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
                        BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
@@ -1600,7 +1777,7 @@ static int www_body(char *hostname, int s, unsigned char *context)
                        {
                        BIO *file;
                        char *p,*e;
-                       static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
+                       static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
 
                        /* skip the '/' */
                        p= &(buf[5]);
@@ -1776,17 +1953,20 @@ err:
 #ifndef OPENSSL_NO_RSA
 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
        {
+       BIGNUM *bn = NULL;
        static RSA *rsa_tmp=NULL;
 
-       if (rsa_tmp == NULL)
+       if (!rsa_tmp && ((bn = BN_new()) == NULL))
+               BIO_printf(bio_err,"Allocation error in generating RSA key\n");
+       if (!rsa_tmp && bn)
                {
                if (!s_quiet)
                        {
                        BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
                        (void)BIO_flush(bio_err);
                        }
-               if(((rsa_tmp = RSA_new()) == NULL) || !RSA_generate_key_ex(
-                                       rsa_tmp, keylength,RSA_F4,NULL))
+               if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
+                               !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
                        {
                        if(rsa_tmp) RSA_free(rsa_tmp);
                        rsa_tmp = NULL;
@@ -1796,6 +1976,7 @@ static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
                        BIO_printf(bio_err,"\n");
                        (void)BIO_flush(bio_err);
                        }
+               BN_free(bn);
                }
        return(rsa_tmp);
        }