non-Monolith fixes.
[openssl.git] / apps / req.c
index fd26ed8343443560eca87fb044d5abaf7a683b2d..ba2167aabd071a62a7b6181fdd46b15672d52675 100644 (file)
@@ -60,7 +60,7 @@
 #include <stdlib.h>
 #include <time.h>
 #include <string.h>
-#ifdef NO_STDIO
+#ifdef OPENSSL_NO_STDIO
 #define APPS_WIN16
 #endif
 #include "apps.h"
@@ -84,6 +84,7 @@
 #define V3_EXTENSIONS  "x509_extensions"
 #define REQ_EXTENSIONS "req_extensions"
 #define STRING_MASK    "string_mask"
+#define UTF8_IN                "utf8"
 
 #define DEFAULT_KEY_LENGTH     512
 #define MIN_KEY_LENGTH         384
  * -nodes      - no des encryption
  * -config file        - Load configuration file.
  * -key file   - make a request using key in file (or use it for verification).
- * -keyform    - key file format.
+ * -keyform arg        - key file format.
  * -rand file(s) - load the file(s) into the PRNG.
  * -newkey     - make a key and a request.
  * -modulus    - print RSA modulus.
+ * -pubkey     - output Public Key.
  * -x509       - output a self signed X509 structure instead.
  * -asn1-kludge        - output new certificate request in a format that some CA's
  *               require.  This format is wrong
  */
 
-static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs);
+static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
+               unsigned long chtype);
+static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
 static int prompt_info(X509_REQ *req,
                STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
-               STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs);
+               STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
+               unsigned long chtype);
 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
-                               STACK_OF(CONF_VALUE) *attr, int attribs);
+                               STACK_OF(CONF_VALUE) *attr, int attribs,
+                               unsigned long chtype);
 static int add_attribute_object(X509_REQ *req, char *text,
-                               char *def, char *value, int nid, int min,
-                               int max);
+                               char *def, char *value, int nid, int n_min,
+                               int n_max, unsigned long chtype);
 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
-       int nid,int min,int max);
-#ifndef NO_RSA
+       int nid,int n_min,int n_max, unsigned long chtype);
+#ifndef OPENSSL_NO_RSA
 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 #endif
-static int req_check_len(int len,int min,int max);
+static int req_check_len(int len,int n_min,int n_max);
 static int check_end(char *str, char *end);
 #ifndef MONOLITH
 static char *default_config_file=NULL;
-static LHASH *config=NULL;
+static CONF *config=NULL;
 #endif
-static LHASH *req_conf=NULL;
+static CONF *req_conf=NULL;
+static int batch=0;
 
 #define TYPE_RSA       1
 #define TYPE_DSA       2
 #define TYPE_DH                3
+#define TYPE_ECDSA     4
 
 int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
        {
-#ifndef NO_DSA
+       ENGINE *e = NULL;
+#ifndef OPENSSL_NO_DSA
        DSA *dsa_params=NULL;
 #endif
+#ifndef OPENSSL_NO_ECDSA
+       ECDSA *ecdsa_params = NULL;
+#endif
+       unsigned long nmflag = 0;
        int ex=1,x509=0,days=30;
        X509 *x509ss=NULL;
        X509_REQ *req=NULL;
        EVP_PKEY *pkey=NULL;
-       int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
+       int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
+       long newkey = -1;
        BIO *in=NULL,*out=NULL;
        int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
-       int nodes=0,kludge=0,newhdr=0;
+       int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
        char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
+       char *engine=NULL;
        char *extensions = NULL;
        char *req_exts = NULL;
-       EVP_CIPHER *cipher=NULL;
+       const EVP_CIPHER *cipher=NULL;
+       ASN1_INTEGER *serial = NULL;
        int modulus=0;
        char *inrand=NULL;
        char *passargin = NULL, *passargout = NULL;
        char *passin = NULL, *passout = NULL;
        char *p;
+       char *subj = NULL;
        const EVP_MD *md_alg=NULL,*digest=EVP_md5();
+       unsigned long chtype = MBSTRING_ASC;
 #ifndef MONOLITH
        MS_STATIC char config_name[256];
+       long errline;
 #endif
 
        req_conf = NULL;
-#ifndef NO_DES
+#ifndef OPENSSL_NO_DES
        cipher=EVP_des_ede3_cbc();
 #endif
        apps_startup();
@@ -195,14 +214,22 @@ int MAIN(int argc, char **argv)
                        if (--argc < 1) goto bad;
                        outformat=str2fmt(*(++argv));
                        }
+               else if (strcmp(*argv,"-engine") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       engine= *(++argv);
+                       }
                else if (strcmp(*argv,"-key") == 0)
                        {
                        if (--argc < 1) goto bad;
                        keyfile= *(++argv);
                        }
+               else if (strcmp(*argv,"-pubkey") == 0)
+                       {
+                       pubkey=1;
+                       }
                else if (strcmp(*argv,"-new") == 0)
                        {
-                       pkey_type=TYPE_RSA;
                        newreq=1;
                        }
                else if (strcmp(*argv,"-config") == 0)
@@ -260,7 +287,7 @@ int MAIN(int argc, char **argv)
                                newkey= atoi(p);
                                }
                        else
-#ifndef NO_DSA
+#ifndef OPENSSL_NO_DSA
                                if (strncmp("dsa:",p,4) == 0)
                                {
                                X509 *xtmp=NULL;
@@ -295,12 +322,64 @@ int MAIN(int argc, char **argv)
                                                }
                                        }
                                BIO_free(in);
-                               newkey=BN_num_bits(dsa_params->p);
                                in=NULL;
+                               newkey=BN_num_bits(dsa_params->p);
                                }
                        else 
 #endif
-#ifndef NO_DH
+#ifndef OPENSSL_NO_ECDSA
+                               if (strncmp("ecdsa:",p,4) == 0)
+                               {
+                               X509 *xtmp=NULL;
+                               EVP_PKEY *dtmp;
+
+                               pkey_type=TYPE_ECDSA;
+                               p+=6;
+                               if ((in=BIO_new_file(p,"r")) == NULL)
+                                       {
+                                       perror(p);
+                                       goto end;
+                                       }
+                               if ((ecdsa_params = PEM_read_bio_ECDSAParameters(in, NULL, NULL, NULL)) == NULL)
+                                       {
+                                       ERR_clear_error();
+                                       (void)BIO_reset(in);
+                                       if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
+                                               {       
+                                               BIO_printf(bio_err,"unable to load ECDSA parameters from file\n");
+                                               goto end;
+                                               }
+
+                                       dtmp=X509_get_pubkey(xtmp);
+                                       if (dtmp->type == EVP_PKEY_ECDSA)
+                                               ecdsa_params = ECDSAParameters_dup(dtmp->pkey.ecdsa);
+                                       EVP_PKEY_free(dtmp);
+                                       X509_free(xtmp);
+                                       if (ecdsa_params == NULL)
+                                               {
+                                               BIO_printf(bio_err,"Certificate does not contain ECDSA parameters\n");
+                                               goto end;
+                                               }
+                                       }
+
+                               BIO_free(in);
+                               in=NULL;
+                               
+                               {
+                               BIGNUM *order = BN_new();
+                               
+                               if (!order)
+                                       goto end;
+                               if (!EC_GROUP_get_order(ecdsa_params->group, order, NULL))
+                                       goto end;
+                               newkey = BN_num_bits(order);
+                               BN_free(order);
+                               }
+
+                               }
+                       else
+#endif
+#ifndef OPENSSL_NO_DH
                                if (strncmp("dh:",p,4) == 0)
                                {
                                pkey_type=TYPE_DH;
@@ -312,6 +391,8 @@ int MAIN(int argc, char **argv)
 
                        newreq=1;
                        }
+               else if (strcmp(*argv,"-batch") == 0)
+                       batch=1;
                else if (strcmp(*argv,"-newhdr") == 0)
                        newhdr=1;
                else if (strcmp(*argv,"-modulus") == 0)
@@ -322,6 +403,17 @@ int MAIN(int argc, char **argv)
                        nodes=1;
                else if (strcmp(*argv,"-noout") == 0)
                        noout=1;
+               else if (strcmp(*argv,"-verbose") == 0)
+                       verbose=1;
+               else if (strcmp(*argv,"-utf8") == 0)
+                       chtype = MBSTRING_UTF8;
+               else if (strcmp(*argv,"-nameopt") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       if (!set_name_ex(&nmflag, *(++argv))) goto bad;
+                       }
+               else if (strcmp(*argv,"-subject") == 0)
+                       subject=1;
                else if (strcmp(*argv,"-text") == 0)
                        text=1;
                else if (strcmp(*argv,"-x509") == 0)
@@ -330,12 +422,23 @@ int MAIN(int argc, char **argv)
                        kludge=1;
                else if (strcmp(*argv,"-no-asn1-kludge") == 0)
                        kludge=0;
+               else if (strcmp(*argv,"-subj") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       subj= *(++argv);
+                       }
                else if (strcmp(*argv,"-days") == 0)
                        {
                        if (--argc < 1) goto bad;
                        days= atoi(*(++argv));
                        if (days == 0) days=30;
                        }
+               else if (strcmp(*argv,"-set_serial") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       serial = s2i_ASN1_INTEGER(NULL, *(++argv));
+                       if (!serial) goto bad;
+                       }
                else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
                        {
                        /* ok */
@@ -371,11 +474,15 @@ bad:
                BIO_printf(bio_err," -in arg        input file\n");
                BIO_printf(bio_err," -out arg       output file\n");
                BIO_printf(bio_err," -text          text form of request\n");
+               BIO_printf(bio_err," -pubkey        output public key\n");
                BIO_printf(bio_err," -noout         do not output REQ\n");
                BIO_printf(bio_err," -verify        verify signature on REQ\n");
                BIO_printf(bio_err," -modulus       RSA modulus\n");
                BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
-               BIO_printf(bio_err," -key file  use the private key contained in file\n");
+               BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
+               BIO_printf(bio_err," -subject       output the request's subject\n");
+               BIO_printf(bio_err," -passin        private key password source\n");
+               BIO_printf(bio_err," -key file      use the private key contained in file\n");
                BIO_printf(bio_err," -keyform arg   key file format\n");
                BIO_printf(bio_err," -keyout arg    file to send the key to\n");
                BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
@@ -383,17 +490,21 @@ bad:
                BIO_printf(bio_err,"                the random number generator\n");
                BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
                BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
-
-               BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
+               BIO_printf(bio_err," -newkey ecdsa:file generate a new ECDSA key, parameters taken from CA in 'file'\n");
+               BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
                BIO_printf(bio_err," -config file   request template file.\n");
+               BIO_printf(bio_err," -subj arg      set or modify request subject\n");
                BIO_printf(bio_err," -new           new request.\n");
+               BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
                BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
-               BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
+               BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
+               BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
                BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
                BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
                BIO_printf(bio_err,"                have been reported as requiring\n");
                BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
                BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
+               BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
                goto end;
                }
 
@@ -411,23 +522,26 @@ bad:
        if (p == NULL)
                {
                strcpy(config_name,X509_get_default_cert_area());
-#ifndef VMS
+#ifndef OPENSSL_SYS_VMS
                strcat(config_name,"/");
 #endif
                strcat(config_name,OPENSSL_CONF);
                p=config_name;
                }
        default_config_file=p;
-       config=CONF_load(config,p,NULL);
+       config=NCONF_new(NULL);
+       i=NCONF_load(config, p, &errline);
 #endif
 
        if (template != NULL)
                {
                long errline;
 
-               BIO_printf(bio_err,"Using configuration from %s\n",template);
-               req_conf=CONF_load(NULL,template,&errline);
-               if (req_conf == NULL)
+               if( verbose )
+                       BIO_printf(bio_err,"Using configuration from %s\n",template);
+               req_conf=NCONF_new(NULL);
+               i=NCONF_load(req_conf,template,&errline);
+               if (i == 0)
                        {
                        BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
                        goto end;
@@ -436,7 +550,8 @@ bad:
        else
                {
                req_conf=config;
-               BIO_printf(bio_err,"Using configuration from %s\n",
+               if( verbose )
+                       BIO_printf(bio_err,"Using configuration from %s\n",
                        default_config_file);
                if (req_conf == NULL)
                        {
@@ -446,7 +561,11 @@ bad:
 
        if (req_conf != NULL)
                {
-               p=CONF_get_string(req_conf,NULL,"oid_file");
+               if (!load_config(bio_err, req_conf))
+                       goto end;
+               p=NCONF_get_string(req_conf,NULL,"oid_file");
+               if (p == NULL)
+                       ERR_clear_error();
                if (p != NULL)
                        {
                        BIO *oid_bio;
@@ -466,23 +585,32 @@ bad:
                                }
                        }
                }
-               if(!add_oid_section(bio_err, req_conf)) goto end;
+       if(!add_oid_section(bio_err, req_conf)) goto end;
 
-       if ((md_alg == NULL) &&
-               ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
+       if (md_alg == NULL)
                {
-               if ((md_alg=EVP_get_digestbyname(p)) != NULL)
-                       digest=md_alg;
+               p=NCONF_get_string(req_conf,SECTION,"default_md");
+               if (p == NULL)
+                       ERR_clear_error();
+               if (p != NULL)
+                       {
+                       if ((md_alg=EVP_get_digestbyname(p)) != NULL)
+                               digest=md_alg;
+                       }
                }
 
-       if(!extensions)
-               extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
-       if(extensions) {
+       if (!extensions)
+               {
+               extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
+               if (!extensions)
+                       ERR_clear_error();
+               }
+       if (extensions) {
                /* Check syntax of file */
                X509V3_CTX ctx;
                X509V3_set_ctx_test(&ctx);
-               X509V3_set_conf_lhash(&ctx, req_conf);
-               if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
+               X509V3_set_nconf(&ctx, req_conf);
+               if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
                        BIO_printf(bio_err,
                         "Error Loading extension section %s\n", extensions);
                        goto end;
@@ -490,26 +618,50 @@ bad:
        }
 
        if(!passin)
-               passin = CONF_get_string(req_conf, SECTION, "input_password");
-
+               {
+               passin = NCONF_get_string(req_conf, SECTION, "input_password");
+               if (!passin)
+                       ERR_clear_error();
+               }
+       
        if(!passout)
-               passout = CONF_get_string(req_conf, SECTION, "output_password");
+               {
+               passout = NCONF_get_string(req_conf, SECTION, "output_password");
+               if (!passout)
+                       ERR_clear_error();
+               }
 
-       p = CONF_get_string(req_conf, SECTION, STRING_MASK);
+       p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
+       if (!p)
+               ERR_clear_error();
 
        if(p && !ASN1_STRING_set_default_mask_asc(p)) {
                BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
                goto end;
        }
 
+       if (chtype != MBSTRING_UTF8)
+               {
+               p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
+               if (!p)
+                       ERR_clear_error();
+               else if (!strcmp(p, "yes"))
+                       chtype = MBSTRING_UTF8;
+               }
+
+
        if(!req_exts)
-               req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
+               {
+               req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
+               if (!req_exts)
+                       ERR_clear_error();
+               }
        if(req_exts) {
                /* Check syntax of file */
                X509V3_CTX ctx;
                X509V3_set_ctx_test(&ctx);
-               X509V3_set_conf_lhash(&ctx, req_conf);
-               if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
+               X509V3_set_nconf(&ctx, req_conf);
+               if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
                        BIO_printf(bio_err,
                         "Error Loading request extension section %s\n",
                                                                req_exts);
@@ -522,59 +674,55 @@ bad:
        if ((in == NULL) || (out == NULL))
                goto end;
 
+        e = setup_engine(bio_err, engine, 0);
+
        if (keyfile != NULL)
                {
-               if (BIO_read_filename(in,keyfile) <= 0)
+               pkey = load_key(bio_err, keyfile, keyform, passin, e,
+                       "Private Key");
+               if (!pkey)
                        {
-                       perror(keyfile);
+                       /* load_key() has already printed an appropriate
+                          message */
                        goto end;
                        }
-
-               if (keyform == FORMAT_ASN1)
-                       pkey=d2i_PrivateKey_bio(in,NULL);
-               else if (keyform == FORMAT_PEM)
-                       {
-                       pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,passin);
-                       }
-               else
+               if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA || EVP_PKEY_type(pkey->type) == EVP_PKEY_ECDSA)
                        {
-                       BIO_printf(bio_err,"bad input format specified for X509 request\n");
-                       goto end;
-                       }
-
-               if (pkey == NULL)
-                       {
-                       BIO_printf(bio_err,"unable to load Private key\n");
-                       goto end;
+                       char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
+                       if (randfile == NULL)
+                               ERR_clear_error();
+                       app_RAND_load_file(randfile, bio_err, 0);
                        }
                }
 
        if (newreq && (pkey == NULL))
                {
-               char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
+               char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
+               if (randfile == NULL)
+                       ERR_clear_error();
                app_RAND_load_file(randfile, bio_err, 0);
                if (inrand)
                        app_RAND_load_files(inrand);
        
                if (newkey <= 0)
                        {
-                       newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
-                       if (newkey <= 0)
+                       if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
                                newkey=DEFAULT_KEY_LENGTH;
                        }
 
-               if (newkey < MIN_KEY_LENGTH)
+               if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
+               /* TODO: appropriate minimal keylength for the different algorithm (esp. ECDSA) */
                        {
                        BIO_printf(bio_err,"private key length is too short,\n");
                        BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
                        goto end;
                        }
                BIO_printf(bio_err,"Generating a %d bit %s private key\n",
-                       newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
+                       newkey,(pkey_type == TYPE_RSA)?"RSA":(pkey_type == TYPE_DSA)?"DSA":"ECDSA");
 
                if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 
-#ifndef NO_RSA
+#ifndef OPENSSL_NO_RSA
                if (pkey_type == TYPE_RSA)
                        {
                        if (!EVP_PKEY_assign_RSA(pkey,
@@ -584,7 +732,7 @@ bad:
                        }
                else
 #endif
-#ifndef NO_DSA
+#ifndef OPENSSL_NO_DSA
                        if (pkey_type == TYPE_DSA)
                        {
                        if (!DSA_generate_key(dsa_params)) goto end;
@@ -592,18 +740,36 @@ bad:
                        dsa_params=NULL;
                        }
 #endif
+#ifndef OPENSSL_NO_ECDSA
+                       if (pkey_type == TYPE_ECDSA)
+                       {
+                       if (!ECDSA_generate_key(ecdsa_params)) goto end;
+                       if (!EVP_PKEY_assign_ECDSA(pkey, ecdsa_params)) goto end;
+                       ecdsa_params = NULL;
+                       }
+#endif
 
                app_RAND_write_file(randfile, bio_err);
 
                if (pkey == NULL) goto end;
 
                if (keyout == NULL)
-                       keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
-
+                       {
+                       keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
+                       if (keyout == NULL)
+                               ERR_clear_error();
+                       }
+               
                if (keyout == NULL)
                        {
                        BIO_printf(bio_err,"writing new private key to stdout\n");
                        BIO_set_fp(out,stdout,BIO_NOCLOSE);
+#ifdef OPENSSL_SYS_VMS
+                       {
+                       BIO *tmpbio = BIO_new(BIO_f_linebuffer());
+                       out = BIO_push(tmpbio, out);
+                       }
+#endif
                        }
                else
                        {
@@ -615,9 +781,14 @@ bad:
                                }
                        }
 
-               p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
+               p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
                if (p == NULL)
-                       p=CONF_get_string(req_conf,SECTION,"encrypt_key");
+                       {
+                       ERR_clear_error();
+                       p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
+                       if (p == NULL)
+                               ERR_clear_error();
+                       }
                if ((p != NULL) && (strcmp(p,"no") == 0))
                        cipher=NULL;
                if (nodes) cipher=NULL;
@@ -674,16 +845,19 @@ loop:
 
        if (newreq || x509)
                {
-#ifndef NO_DSA
-               if (pkey->type == EVP_PKEY_DSA)
-                       digest=EVP_dss1();
-#endif
-
                if (pkey == NULL)
                        {
                        BIO_printf(bio_err,"you need to specify a private key\n");
                        goto end;
                        }
+#ifndef OPENSSL_NO_DSA
+               if (pkey->type == EVP_PKEY_DSA)
+                       digest=EVP_dss1();
+#endif
+#ifndef OPENSSL_NO_ECDSA
+               if (pkey->type == EVP_PKEY_ECDSA)
+                       digest=EVP_ecdsa();
+#endif
                if (req == NULL)
                        {
                        req=X509_REQ_new();
@@ -692,9 +866,13 @@ loop:
                                goto end;
                                }
 
-                       i=make_REQ(req,pkey,!x509);
-                       if (kludge >= 0)
-                               req->req_info->req_kludge=kludge;
+                       i=make_REQ(req,pkey,subj,!x509, chtype);
+                       subj=NULL; /* done processing '-subj' option */
+                       if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
+                               {
+                               sk_X509_ATTRIBUTE_free(req->req_info->attributes);
+                               req->req_info->attributes = NULL;
+                               }
                        if (!i)
                                {
                                BIO_printf(bio_err,"problems making Certificate Request\n");
@@ -709,7 +887,10 @@ loop:
 
                        /* Set version to V3 */
                        if(!X509_set_version(x509ss, 2)) goto end;
-                       ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
+                       if (serial)
+                               X509_set_serialNumber(x509ss, serial);
+                       else
+                               ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 
                        X509_set_issuer_name(x509ss,
                                X509_REQ_get_subject_name(req));
@@ -725,18 +906,18 @@ loop:
                        /* Set up V3 context struct */
 
                        X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
-                       X509V3_set_conf_lhash(&ext_ctx, req_conf);
+                       X509V3_set_nconf(&ext_ctx, req_conf);
 
                        /* Add extensions */
-                       if(extensions && !X509V3_EXT_add_conf(req_conf, 
+                       if(extensions && !X509V3_EXT_add_nconf(req_conf, 
                                        &ext_ctx, extensions, x509ss))
-                           {
-                           BIO_printf(bio_err,
-                                      "Error Loading extension section %s\n",
-                                      extensions);
-                           goto end;
-                           }
-
+                               {
+                               BIO_printf(bio_err,
+                                       "Error Loading extension section %s\n",
+                                       extensions);
+                               goto end;
+                               }
+                       
                        if (!(i=X509_sign(x509ss,pkey,digest)))
                                goto end;
                        }
@@ -747,22 +928,51 @@ loop:
                        /* Set up V3 context struct */
 
                        X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
-                       X509V3_set_conf_lhash(&ext_ctx, req_conf);
+                       X509V3_set_nconf(&ext_ctx, req_conf);
 
                        /* Add extensions */
-                       if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf, 
+                       if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, 
                                        &ext_ctx, req_exts, req))
-                           {
-                           BIO_printf(bio_err,
-                                      "Error Loading extension section %s\n",
-                                      req_exts);
-                           goto end;
-                           }
+                               {
+                               BIO_printf(bio_err,
+                                       "Error Loading extension section %s\n",
+                                       req_exts);
+                               goto end;
+                               }
                        if (!(i=X509_REQ_sign(req,pkey,digest)))
                                goto end;
                        }
                }
 
+       if (subj && x509)
+               {
+               BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
+               goto end;
+               }
+
+       if (subj && !x509)
+               {
+               if (verbose)
+                       {
+                       BIO_printf(bio_err, "Modifying Request's Subject\n");
+                       print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
+                       }
+
+               if (build_subject(req, subj, chtype) == 0)
+                       {
+                       BIO_printf(bio_err, "ERROR: cannot modify subject\n");
+                       ex=1;
+                       goto end;
+                       }
+
+               req->req_info->enc.modified = 1;
+
+               if (verbose)
+                       {
+                       print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
+                       }
+               }
+
        if (verify && !x509)
                {
                int tmp=0;
@@ -787,19 +997,28 @@ loop:
                else if (i == 0)
                        {
                        BIO_printf(bio_err,"verify failure\n");
+                       ERR_print_errors(bio_err);
                        }
                else /* if (i > 0) */
                        BIO_printf(bio_err,"verify OK\n");
                }
 
-       if (noout && !text && !modulus)
+       if (noout && !text && !modulus && !subject && !pubkey)
                {
                ex=0;
                goto end;
                }
 
        if (outfile == NULL)
+               {
                BIO_set_fp(out,stdout,BIO_NOCLOSE);
+#ifdef OPENSSL_SYS_VMS
+               {
+               BIO *tmpbio = BIO_new(BIO_f_linebuffer());
+               out = BIO_push(tmpbio, out);
+               }
+#endif
+               }
        else
                {
                if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
@@ -813,6 +1032,20 @@ loop:
                        }
                }
 
+       if (pubkey)
+               {
+               EVP_PKEY *tpubkey; 
+               tpubkey=X509_REQ_get_pubkey(req);
+               if (tpubkey == NULL)
+                       {
+                       BIO_printf(bio_err,"Error getting public key\n");
+                       ERR_print_errors(bio_err);
+                       goto end;
+                       }
+               PEM_write_bio_PUBKEY(out, tpubkey);
+               EVP_PKEY_free(tpubkey);
+               }
+
        if (text)
                {
                if (x509)
@@ -821,26 +1054,35 @@ loop:
                        X509_REQ_print(out,req);
                }
 
+       if(subject) 
+               {
+               if(x509)
+                       print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
+               else
+                       print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
+               }
+
        if (modulus)
                {
-               EVP_PKEY *pubkey;
+               EVP_PKEY *tpubkey;
 
                if (x509)
-                       pubkey=X509_get_pubkey(x509ss);
+                       tpubkey=X509_get_pubkey(x509ss);
                else
-                       pubkey=X509_REQ_get_pubkey(req);
-               if (pubkey == NULL)
+                       tpubkey=X509_REQ_get_pubkey(req);
+               if (tpubkey == NULL)
                        {
                        fprintf(stdout,"Modulus=unavailable\n");
                        goto end; 
                        }
                fprintf(stdout,"Modulus=");
-#ifndef NO_RSA
-               if (pubkey->type == EVP_PKEY_RSA)
-                       BN_print(out,pubkey->pkey.rsa->n);
+#ifndef OPENSSL_NO_RSA
+               if (tpubkey->type == EVP_PKEY_RSA)
+                       BN_print(out,tpubkey->pkey.rsa->n);
                else
 #endif
                        fprintf(stdout,"Wrong Algorithm type");
+               EVP_PKEY_free(tpubkey);
                fprintf(stdout,"\n");
                }
 
@@ -883,51 +1125,62 @@ end:
                {
                ERR_print_errors(bio_err);
                }
-       if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
+       if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
        BIO_free(in);
-       BIO_free(out);
+       BIO_free_all(out);
        EVP_PKEY_free(pkey);
        X509_REQ_free(req);
        X509_free(x509ss);
+       ASN1_INTEGER_free(serial);
        if(passargin && passin) OPENSSL_free(passin);
        if(passargout && passout) OPENSSL_free(passout);
        OBJ_cleanup();
-#ifndef NO_DSA
+#ifndef OPENSSL_NO_DSA
        if (dsa_params != NULL) DSA_free(dsa_params);
 #endif
+#ifndef OPENSSL_NO_ECDSA
+       if (ecdsa_params != NULL) ECDSA_free(ecdsa_params);
+#endif
+       apps_shutdown();
        EXIT(ex);
        }
 
-static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
+static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
+                       unsigned long chtype)
        {
        int ret=0,i;
        char no_prompt = 0;
        STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
        char *tmp, *dn_sect,*attr_sect;
 
-       tmp=CONF_get_string(req_conf,SECTION,PROMPT);
+       tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
+       if (tmp == NULL)
+               ERR_clear_error();
        if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
 
-       dn_sect=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
+       dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
        if (dn_sect == NULL)
                {
                BIO_printf(bio_err,"unable to find '%s' in config\n",
                        DISTINGUISHED_NAME);
                goto err;
                }
-       dn_sk=CONF_get_section(req_conf,dn_sect);
+       dn_sk=NCONF_get_section(req_conf,dn_sect);
        if (dn_sk == NULL)
                {
                BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
                goto err;
                }
 
-       attr_sect=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
+       attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
        if (attr_sect == NULL)
+               {
+               ERR_clear_error();              
                attr_sk=NULL;
+               }
        else
                {
-               attr_sk=CONF_get_section(req_conf,attr_sect);
+               attr_sk=NCONF_get_section(req_conf,attr_sect);
                if (attr_sk == NULL)
                        {
                        BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
@@ -938,8 +1191,15 @@ static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
        /* setup version number */
        if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
 
-       if(no_prompt) i = auto_info(req, dn_sk, attr_sk, attribs);
-       else i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs);
+       if (no_prompt) 
+               i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
+       else 
+               {
+               if (subj)
+                       i = build_subject(req, subj, chtype);
+               else
+                       i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
+               }
        if(!i) goto err;
 
        X509_REQ_set_pubkey(req,pkey);
@@ -949,26 +1209,94 @@ err:
        return(ret);
        }
 
+static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
+       {
+       X509_NAME *n = NULL;
+
+       int i, nid, ne_num=0;
+
+       char *ne_name = NULL;
+       char *ne_value = NULL;
+
+       char *tmp = NULL;
+       char *p[2];
+
+       char *str_list[256];
+       
+       p[0] = ",/";
+        p[1] = "=";
+
+       n = X509_NAME_new();
+
+       tmp = strtok(subject, p[0]);
+       while((tmp != NULL) && (ne_num < (sizeof str_list/sizeof *str_list)))
+               {
+               char *token = tmp;
+
+               while (token[0] == ' ')
+                       token++;
+               str_list[ne_num] = token;
+
+               tmp = strtok(NULL, p[0]);
+               ne_num++;
+               }
+
+       for(i = 0; i < ne_num; i++)
+               {
+               ne_name  = strtok(str_list[i], p[1]);
+               ne_value = strtok(NULL, p[1]);
+
+               if ((nid=OBJ_txt2nid(ne_name)) == NID_undef)
+                       {
+                       BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_name);
+                       continue;
+                       }
+
+               if (ne_value == NULL)
+                       {
+                       BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_name);
+                       continue;
+                       }
+
+               if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_value, -1,-1,0))
+                       {
+                       X509_NAME_free(n);
+                       return 0;
+                       }
+               }
+
+       if (!X509_REQ_set_subject_name(req, n))
+               return 0;
+       X509_NAME_free(n);
+       return 1;
+}
+
 
 static int prompt_info(X509_REQ *req,
                STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
-               STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs)
+               STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
+               unsigned long chtype)
        {
        int i;
        char *p,*q;
        char buf[100];
-       int nid,min,max;
+       int nid;
+       long n_min,n_max;
        char *type,*def,*value;
        CONF_VALUE *v;
        X509_NAME *subj;
        subj = X509_REQ_get_subject_name(req);
-       BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
-       BIO_printf(bio_err,"into your certificate request.\n");
-       BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
-       BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
-       BIO_printf(bio_err,"For some fields there will be a default value,\n");
-       BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
-       BIO_printf(bio_err,"-----\n");
+
+       if(!batch)
+               {
+               BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
+               BIO_printf(bio_err,"into your certificate request.\n");
+               BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
+               BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
+               BIO_printf(bio_err,"For some fields there will be a default value,\n");
+               BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
+               BIO_printf(bio_err,"-----\n");
+               }
 
 
        if (sk_CONF_VALUE_num(dn_sk))
@@ -998,21 +1326,29 @@ start:           for (;;)
                        /* If OBJ not recognised ignore it */
                        if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
                        sprintf(buf,"%s_default",v->name);
-                       if ((def=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
+                       if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
+                               {
+                               ERR_clear_error();
                                def="";
+                               }
                                
                        sprintf(buf,"%s_value",v->name);
-                       if ((value=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
+                       if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
+                               {
+                               ERR_clear_error();
                                value=NULL;
+                               }
 
                        sprintf(buf,"%s_min",v->name);
-                       min=(int)CONF_get_number(req_conf,dn_sect,buf);
+                       if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
+                               n_min = -1;
 
                        sprintf(buf,"%s_max",v->name);
-                       max=(int)CONF_get_number(req_conf,dn_sect,buf);
+                       if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
+                               n_max = -1;
 
                        if (!add_DN_object(subj,v->value,def,value,nid,
-                               min,max))
+                               n_min,n_max, chtype))
                                return 0;
                        }
                if (X509_NAME_entry_count(subj) == 0)
@@ -1023,7 +1359,7 @@ start:            for (;;)
 
                if (attribs)
                        {
-                       if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0))
+                       if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
                                {
                                BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
                                BIO_printf(bio_err,"to be sent with your certificate request\n");
@@ -1043,23 +1379,32 @@ start2:                 for (;;)
                                        goto start2;
 
                                sprintf(buf,"%s_default",type);
-                               if ((def=CONF_get_string(req_conf,attr_sect,buf))
+                               if ((def=NCONF_get_string(req_conf,attr_sect,buf))
                                        == NULL)
+                                       {
+                                       ERR_clear_error();
                                        def="";
+                                       }
+                               
                                
                                sprintf(buf,"%s_value",type);
-                               if ((value=CONF_get_string(req_conf,attr_sect,buf))
+                               if ((value=NCONF_get_string(req_conf,attr_sect,buf))
                                        == NULL)
+                                       {
+                                       ERR_clear_error();
                                        value=NULL;
+                                       }
 
                                sprintf(buf,"%s_min",type);
-                               min=(int)CONF_get_number(req_conf,attr_sect,buf);
+                               if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
+                                       n_min = -1;
 
                                sprintf(buf,"%s_max",type);
-                               max=(int)CONF_get_number(req_conf,attr_sect,buf);
+                               if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
+                                       n_max = -1;
 
                                if (!add_attribute_object(req,
-                                       v->value,def,value,nid,min,max))
+                                       v->value,def,value,nid,n_min,n_max, chtype))
                                        return 0;
                                }
                        }
@@ -1075,7 +1420,7 @@ start2:                   for (;;)
        }
 
 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
-                       STACK_OF(CONF_VALUE) *attr_sk, int attribs)
+                       STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
        {
        int i;
        char *p,*q;
@@ -1094,12 +1439,16 @@ static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
                 * multiple instances 
                 */
                for(p = v->name; *p ; p++) 
+#ifndef CHARSET_EBCDIC
                        if ((*p == ':') || (*p == ',') || (*p == '.')) {
+#else
+                       if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
+#endif
                                p++;
                                if(*p) type = p;
                                break;
                        }
-               if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC,
+               if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
                                (unsigned char *) v->value,-1,-1,0)) return 0;
 
                }
@@ -1114,7 +1463,7 @@ static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
                        for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
                                {
                                v=sk_CONF_VALUE_value(attr_sk,i);
-                               if(!X509_REQ_add1_attr_by_txt(req, v->name, MBSTRING_ASC,
+                               if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
                                        (unsigned char *)v->value, -1)) return 0;
                                }
                        }
@@ -1123,14 +1472,14 @@ static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
 
 
 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
-            int nid, int min, int max)
+            int nid, int n_min, int n_max, unsigned long chtype)
        {
        int i,ret=0;
        MS_STATIC char buf[1024];
 start:
-       BIO_printf(bio_err,"%s [%s]:",text,def);
+       if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
        (void)BIO_flush(bio_err);
-       if (value != NULL)
+       if(value != NULL)
                {
                strcpy(buf,value);
                strcat(buf,"\n");
@@ -1139,7 +1488,15 @@ start:
        else
                {
                buf[0]='\0';
-               fgets(buf,1024,stdin);
+               if (!batch)
+                       {
+                       fgets(buf,1024,stdin);
+                       }
+               else
+                       {
+                       buf[0] = '\n';
+                       buf[1] = '\0';
+                       }
                }
 
        if (buf[0] == '\0') return(0);
@@ -1159,12 +1516,11 @@ start:
                return(0);
                }
        buf[--i]='\0';
-
 #ifdef CHARSET_EBCDIC
        ebcdic2ascii(buf, buf, i);
 #endif
-       if(!req_check_len(i, min, max)) goto start;
-       if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
+       if(!req_check_len(i, n_min, n_max)) goto start;
+       if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
                                (unsigned char *) buf, -1,-1,0)) goto err;
        ret=1;
 err:
@@ -1172,14 +1528,14 @@ err:
        }
 
 static int add_attribute_object(X509_REQ *req, char *text,
-                               char *def, char *value, int nid, int min,
-                               int max)
+                               char *def, char *value, int nid, int n_min,
+                               int n_max, unsigned long chtype)
        {
        int i;
        static char buf[1024];
 
 start:
-       BIO_printf(bio_err,"%s [%s]:",text,def);
+       if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
        (void)BIO_flush(bio_err);
        if (value != NULL)
                {
@@ -1190,7 +1546,15 @@ start:
        else
                {
                buf[0]='\0';
-               fgets(buf,1024,stdin);
+               if (!batch)
+                       {
+                       fgets(buf,1024,stdin);
+                       }
+               else
+                       {
+                       buf[0] = '\n';
+                       buf[1] = '\0';
+                       }
                }
 
        if (buf[0] == '\0') return(0);
@@ -1210,9 +1574,12 @@ start:
                return(0);
                }
        buf[--i]='\0';
-       if(!req_check_len(i, min, max)) goto start;
+#ifdef CHARSET_EBCDIC
+       ebcdic2ascii(buf, buf, i);
+#endif
+       if(!req_check_len(i, n_min, n_max)) goto start;
 
-       if(!X509_REQ_add1_attr_by_NID(req, nid, MBSTRING_ASC,
+       if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
                                        (unsigned char *)buf, -1)) {
                BIO_printf(bio_err, "Error adding attribute\n");
                ERR_print_errors(bio_err);
@@ -1224,7 +1591,7 @@ err:
        return(0);
        }
 
-#ifndef NO_RSA
+#ifndef OPENSSL_NO_RSA
 static void MS_CALLBACK req_cb(int p, int n, void *arg)
        {
        char c='*';
@@ -1241,16 +1608,16 @@ static void MS_CALLBACK req_cb(int p, int n, void *arg)
        }
 #endif
 
-static int req_check_len(int len, int min, int max)
+static int req_check_len(int len, int n_min, int n_max)
        {
-       if (len < min)
+       if ((n_min > 0) && (len < n_min))
                {
-               BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
+               BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
                return(0);
                }
-       if ((max != 0) && (len > max))
+       if ((n_max >= 0) && (len > n_max))
                {
-               BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
+               BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
                return(0);
                }
        return(1);