Forgot the self-documentation within req.
[openssl.git] / apps / req.c
index 00ce23103366d9cf8899a1301f06bfea053fafa5..b9b19b83129caac4105481af399b3c0b9da82df0 100644 (file)
@@ -91,7 +91,7 @@
 #undef PROG
 #define PROG   req_main
 
-/* -inform arg - input format - default PEM (one of DER, TXT or PEM)
+/* -inform arg - input format - default PEM (DER or PEM)
  * -outform arg - output format - default PEM
  * -in arg     - input file - default stdin
  * -out arg    - output file - default stdout
  * -config file        - Load configuration file.
  * -key file   - make a request using key in file (or use it for verification).
  * -keyform    - key file format.
+ * -rand file(s) - load the file(s) into the PRNG.
  * -newkey     - make a key and a request.
  * -modulus    - print RSA modulus.
  * -x509       - output a self signed X509 structure instead.
@@ -115,13 +116,15 @@ static int prompt_info(X509_REQ *req,
                STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs);
 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
                                STACK_OF(CONF_VALUE) *attr, int attribs);
-static int add_attribute_object(STACK_OF(X509_ATTRIBUTE) *n, char *text,
+static int add_attribute_object(X509_REQ *req, char *text,
                                char *def, char *value, int nid, int min,
                                int max);
 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
        int nid,int min,int max);
+#ifndef NO_RSA
 static void MS_CALLBACK req_cb(int p,int n,void *arg);
-static int req_fix_data(int nid,int *type,int len,int min,int max);
+#endif
+static int req_check_len(int len,int min,int max);
 static int check_end(char *str, char *end);
 static int add_oid_section(LHASH *conf);
 #ifndef MONOLITH
@@ -134,6 +137,8 @@ static LHASH *req_conf=NULL;
 #define TYPE_DSA       2
 #define TYPE_DH                3
 
+int MAIN(int, char **);
+
 int MAIN(int argc, char **argv)
        {
 #ifndef NO_DSA
@@ -146,12 +151,14 @@ int MAIN(int argc, char **argv)
        int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
        BIO *in=NULL,*out=NULL;
        int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
-       int nodes=0,kludge=0;
+       int nodes=0,kludge=0,newhdr=0;
        char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
        char *extensions = NULL;
        char *req_exts = NULL;
        EVP_CIPHER *cipher=NULL;
        int modulus=0;
+       char *inrand=NULL;
+       char *passargin = NULL, *passargout = NULL;
        char *passin = NULL, *passout = NULL;
        char *p;
        const EVP_MD *md_alg=NULL,*digest=EVP_md5();
@@ -227,34 +234,17 @@ int MAIN(int argc, char **argv)
                else if (strcmp(*argv,"-passin") == 0)
                        {
                        if (--argc < 1) goto bad;
-                       passin= *(++argv);
+                       passargin= *(++argv);
                        }
-               else if (strcmp(*argv,"-envpassin") == 0)
+               else if (strcmp(*argv,"-passout") == 0)
                        {
                        if (--argc < 1) goto bad;
-                               if(!(passin= getenv(*(++argv))))
-                               {
-                               BIO_printf(bio_err,
-                                "Can't read environment variable %s\n",
-                                                               *argv);
-                               badops = 1;
-                               }
+                       passargout= *(++argv);
                        }
-               else if (strcmp(*argv,"-envpassout") == 0)
+               else if (strcmp(*argv,"-rand") == 0)
                        {
                        if (--argc < 1) goto bad;
-                       if(!(passout= getenv(*(++argv))))
-                               {
-                               BIO_printf(bio_err,
-                                "Can't read environment variable %s\n",
-                                                               *argv);
-                               badops = 1;
-                               }
-                       }
-               else if (strcmp(*argv,"-passout") == 0)
-                       {
-                       if (--argc < 1) goto bad;
-                       passout= *(++argv);
+                       inrand= *(++argv);
                        }
                else if (strcmp(*argv,"-newkey") == 0)
                        {
@@ -323,6 +313,8 @@ int MAIN(int argc, char **argv)
 
                        newreq=1;
                        }
+               else if (strcmp(*argv,"-newhdr") == 0)
+                       newhdr=1;
                else if (strcmp(*argv,"-modulus") == 0)
                        modulus=1;
                else if (strcmp(*argv,"-verify") == 0)
@@ -375,8 +367,8 @@ int MAIN(int argc, char **argv)
 bad:
                BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
                BIO_printf(bio_err,"where options  are\n");
-               BIO_printf(bio_err," -inform arg    input format - one of DER TXT PEM\n");
-               BIO_printf(bio_err," -outform arg   output format - one of DER TXT PEM\n");
+               BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
+               BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
                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");
@@ -387,6 +379,9 @@ bad:
                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);
+               BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
+               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");
 
@@ -395,15 +390,19 @@ bad:
                BIO_printf(bio_err," -new           new request.\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," -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,"                [ It is now always turned on but can be turned off with -no-asn1-kludge ]\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");
                goto end;
                }
 
        ERR_load_crypto_strings();
+       if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
+               BIO_printf(bio_err, "Error getting passwords\n");
+               goto end;
+       }
 
 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
        /* Lets load up our environment a little */
@@ -536,7 +535,7 @@ bad:
                        pkey=d2i_PrivateKey_bio(in,NULL);
                else if (keyform == FORMAT_PEM)
                        {
-                       pkey=PEM_read_bio_PrivateKey(in,NULL,PEM_cb,passin);
+                       pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,passin);
                        }
                else
                        {
@@ -553,7 +552,12 @@ bad:
 
        if (newreq && (pkey == NULL))
                {
-               char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
+               char *randfile;
+
+               if (inrand)
+                       randfile = inrand;
+               else
+                       randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
                app_RAND_load_file(randfile, bio_err, 0);
        
                if (newkey <= 0)
@@ -625,7 +629,7 @@ bad:
                i=0;
 loop:
                if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
-                       NULL,0,PEM_cb,passout))
+                       NULL,0,NULL,passout))
                        {
                        if ((ERR_GET_REASON(ERR_peek_error()) ==
                                PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
@@ -848,9 +852,10 @@ loop:
                {
                if      (outformat == FORMAT_ASN1)
                        i=i2d_X509_REQ_bio(out,req);
-               else if (outformat == FORMAT_PEM)
-                       i=PEM_write_bio_X509_REQ(out,req);
-               else    {
+               else if (outformat == FORMAT_PEM) {
+                       if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
+                       else i=PEM_write_bio_X509_REQ(out,req);
+               } else {
                        BIO_printf(bio_err,"bad output format specified for outfile\n");
                        goto end;
                        }
@@ -888,6 +893,8 @@ end:
        EVP_PKEY_free(pkey);
        X509_REQ_free(req);
        X509_free(x509ss);
+       if(passargin && passin) OPENSSL_free(passin);
+       if(passargout && passout) OPENSSL_free(passout);
        OBJ_cleanup();
 #ifndef NO_DSA
        if (dsa_params != NULL) DSA_free(dsa_params);
@@ -938,115 +945,7 @@ static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
        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(!i) goto err;
-#if 0
-       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(sk))
-               {
-               i= -1;
-start:         for (;;)
-                       {
-                       i++;
-                       if (sk_CONF_VALUE_num(sk) <= i) break;
-
-                       v=sk_CONF_VALUE_value(sk,i);
-                       p=q=NULL;
-                       type=v->name;
-                       if(!check_end(type,"_min") || !check_end(type,"_max") ||
-                               !check_end(type,"_default") ||
-                                        !check_end(type,"_value")) continue;
-                       /* Skip past any leading X. X: X, etc to allow for
-                        * multiple instances 
-                        */
-                       for(p = v->name; *p ; p++) 
-                               if ((*p == ':') || (*p == ',') ||
-                                                        (*p == '.')) {
-                                       p++;
-                                       if(*p) type = p;
-                                       break;
-                               }
-                       /* 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,tmp,buf)) == NULL)
-                               def="";
-                               
-                       sprintf(buf,"%s_value",v->name);
-                       if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL)
-                               value=NULL;
-
-                       sprintf(buf,"%s_min",v->name);
-                       min=(int)CONF_get_number(req_conf,tmp,buf);
-
-                       sprintf(buf,"%s_max",v->name);
-                       max=(int)CONF_get_number(req_conf,tmp,buf);
-
-                       if (!add_DN_object(ri->subject,v->value,def,value,nid,
-                               min,max))
-                               goto err;
-                       }
-               if (sk_X509_NAME_ENTRY_num(ri->subject->entries) == 0)
-                       {
-                       BIO_printf(bio_err,"error, no objects specified in config file\n");
-                       goto err;
-                       }
 
-               if (attribs)
-                       {
-                       if ((attr != NULL) && (sk_CONF_VALUE_num(attr) > 0))
-                               {
-                               BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
-                               BIO_printf(bio_err,"to be sent with your certificate request\n");
-                               }
-
-                       i= -1;
-start2:                        for (;;)
-                               {
-                               i++;
-                               if ((attr == NULL) ||
-                                           (sk_CONF_VALUE_num(attr) <= i))
-                                       break;
-
-                               v=sk_CONF_VALUE_value(attr,i);
-                               type=v->name;
-                               if ((nid=OBJ_txt2nid(type)) == NID_undef)
-                                       goto start2;
-
-                               sprintf(buf,"%s_default",type);
-                               if ((def=CONF_get_string(req_conf,tmp_attr,buf))
-                                       == NULL)
-                                       def="";
-                               
-                               sprintf(buf,"%s_value",type);
-                               if ((value=CONF_get_string(req_conf,tmp_attr,buf))
-                                       == NULL)
-                                       value=NULL;
-
-                               sprintf(buf,"%s_min",type);
-                               min=(int)CONF_get_number(req_conf,tmp_attr,buf);
-
-                               sprintf(buf,"%s_max",type);
-                               max=(int)CONF_get_number(req_conf,tmp_attr,buf);
-
-                               if (!add_attribute_object(ri->attributes,
-                                       v->value,def,value,nid,min,max))
-                                       goto err;
-                               }
-                       }
-               }
-       else
-               {
-               BIO_printf(bio_err,"No template, please set one up.\n");
-               goto err;
-               }
-#endif
        X509_REQ_set_pubkey(req,pkey);
 
        ret=1;
@@ -1163,7 +1062,7 @@ start2:                   for (;;)
                                sprintf(buf,"%s_max",type);
                                max=(int)CONF_get_number(req_conf,attr_sect,buf);
 
-                               if (!add_attribute_object(req->req_info->attributes,
+                               if (!add_attribute_object(req,
                                        v->value,def,value,nid,min,max))
                                        return 0;
                                }
@@ -1214,56 +1113,15 @@ static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
                        BIO_printf(bio_err,"error, no objects specified in config file\n");
                        return 0;
                        }
-#if 0
                if (attribs)
                        {
-                       if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0))
+                       for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
                                {
-                               BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
-                               BIO_printf(bio_err,"to be sent with your certificate request\n");
-                               }
-
-                       i= -1;
-start2:                        for (;;)
-                               {
-                               i++;
-                               if ((attr_sk == NULL) ||
-                                           (sk_CONF_VALUE_num(attr_sk) <= i))
-                                       break;
-
                                v=sk_CONF_VALUE_value(attr_sk,i);
-                               type=v->name;
-                               if ((nid=OBJ_txt2nid(type)) == NID_undef)
-                                       goto start2;
-
-                               sprintf(buf,"%s_default",type);
-                               if ((def=CONF_get_string(req_conf,attr_sect,buf))
-                                       == NULL)
-                                       def="";
-                               
-                               sprintf(buf,"%s_value",type);
-                               if ((value=CONF_get_string(req_conf,attr_sect,buf))
-                                       == NULL)
-                                       value=NULL;
-
-                               sprintf(buf,"%s_min",type);
-                               min=(int)CONF_get_number(req_conf,attr_sect,buf);
-
-                               sprintf(buf,"%s_max",type);
-                               max=(int)CONF_get_number(req_conf,attr_sect,buf);
-
-                               if (!add_attribute_object(ri->attributes,
-                                       v->value,def,value,nid,min,max))
-                                       return 0;
+                               if(!X509_REQ_add1_attr_by_txt(req, v->name, MBSTRING_ASC,
+                                       (unsigned char *)v->value, -1)) return 0;
                                }
                        }
-               }
-       else
-               {
-               BIO_printf(bio_err,"No template, please set one up.\n");
-               return 0;
-               }
-#endif
        return 1;
        }
 
@@ -1273,7 +1131,7 @@ static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
        {
        int i,ret=0;
        MS_STATIC char buf[1024];
-
+start:
        BIO_printf(bio_err,"%s [%s]:",text,def);
        (void)BIO_flush(bio_err);
        if (value != NULL)
@@ -1309,7 +1167,7 @@ static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 #ifdef CHARSET_EBCDIC
        ebcdic2ascii(buf, buf, i);
 #endif
-       if(!req_fix_data(-1, NULL, i, min, max)) goto err;
+       if(!req_check_len(i, min, max)) goto start;
        if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
                                (unsigned char *) buf, -1,-1,0)) goto err;
        ret=1;
@@ -1317,15 +1175,12 @@ err:
        return(ret);
        }
 
-static int add_attribute_object(STACK_OF(X509_ATTRIBUTE) *n, char *text,
+static int add_attribute_object(X509_REQ *req, char *text,
                                char *def, char *value, int nid, int min,
                                int max)
        {
-       int i,z;
-       X509_ATTRIBUTE *xa=NULL;
+       int i;
        static char buf[1024];
-       ASN1_BIT_STRING *bs=NULL;
-       ASN1_TYPE *at=NULL;
 
 start:
        BIO_printf(bio_err,"%s [%s]:",text,def);
@@ -1359,50 +1214,21 @@ start:
                return(0);
                }
        buf[--i]='\0';
+       if(!req_check_len(i, min, max)) goto start;
 
-       /* add object plus value */
-       if ((xa=X509_ATTRIBUTE_new()) == NULL)
-               goto err;
-       if ((xa->value.set=sk_ASN1_TYPE_new_null()) == NULL)
+       if(!X509_REQ_add1_attr_by_NID(req, nid, MBSTRING_ASC,
+                                       (unsigned char *)buf, -1)) {
+               BIO_printf(bio_err, "Error adding attribute\n");
+               ERR_print_errors(bio_err);
                goto err;
-       xa->set=1;
-
-       if (xa->object != NULL) ASN1_OBJECT_free(xa->object);
-       xa->object=OBJ_nid2obj(nid);
-
-       if ((bs=ASN1_BIT_STRING_new()) == NULL) goto err;
-
-       bs->type=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
-
-       z=req_fix_data(nid,&bs->type,i,min,max);
-       if (z == 0)
-               {
-               if (value == NULL)
-                       goto start;
-               else    goto err;
-               }
-
-       if (!ASN1_STRING_set(bs,(unsigned char *)buf,i))
-               { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
-
-       if ((at=ASN1_TYPE_new()) == NULL)
-               { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
-
-       ASN1_TYPE_set(at,bs->type,(char *)bs);
-       sk_ASN1_TYPE_push(xa->value.set,at);
-       bs=NULL;
-       at=NULL;
-       /* only one item per attribute */
+       }
 
-       if (!sk_X509_ATTRIBUTE_push(n,xa)) goto err;
        return(1);
 err:
-       if (xa != NULL) X509_ATTRIBUTE_free(xa);
-       if (at != NULL) ASN1_TYPE_free(at);
-       if (bs != NULL) ASN1_BIT_STRING_free(bs);
        return(0);
        }
 
+#ifndef NO_RSA
 static void MS_CALLBACK req_cb(int p, int n, void *arg)
        {
        char c='*';
@@ -1417,27 +1243,10 @@ static void MS_CALLBACK req_cb(int p, int n, void *arg)
        p=n;
 #endif
        }
+#endif
 
-static int req_fix_data(int nid, int *type, int len, int min, int max)
+static int req_check_len(int len, int min, int max)
        {
-       if(type) {
-               if (nid == NID_pkcs9_emailAddress)
-                       *type=V_ASN1_IA5STRING;
-               if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
-                       *type=V_ASN1_T61STRING;
-               if ((nid == NID_pkcs9_challengePassword) &&
-                       (*type == V_ASN1_IA5STRING))
-                       *type=V_ASN1_T61STRING;
-
-               if ((nid == NID_pkcs9_unstructuredName) &&
-                       (*type == V_ASN1_T61STRING))
-                       {
-                       BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n");
-                       return(0);
-                       }
-               if (nid == NID_pkcs9_unstructuredName)
-                       *type=V_ASN1_IA5STRING;
-       }
        if (len < min)
                {
                BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);