PR: 2069
[openssl.git] / apps / apps.c
index d3d601d..09d9df2 100644 (file)
  * copied and put under another distribution licence
  * [including the GNU Public Licence.]
  */
+/* ====================================================================
+ * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
 
+#ifndef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 2      /* On VMS, you need to define this to get
+                                  the declaration of fileno().  The value
+                                  2 is to make sure no function defined
+                                  in POSIX-2 is left undefined. */
+#endif
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#if !defined(OPENSSL_SYSNAME_WIN32) && !defined(NETWARE_CLIB)
+#include <strings.h>
+#endif
 #include <sys/types.h>
-#include <sys/stat.h>
+#include <ctype.h>
+#include <errno.h>
+#include <assert.h>
+#include <openssl/err.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include <openssl/pem.h>
+#include <openssl/pkcs12.h>
+#include <openssl/ui.h>
+#include <openssl/safestack.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+#ifndef OPENSSL_NO_RSA
+#include <openssl/rsa.h>
+#endif
+#include <openssl/bn.h>
+#ifndef OPENSSL_NO_JPAKE
+#include <openssl/jpake.h>
+#endif
+
 #define NON_MAIN
 #include "apps.h"
 #undef NON_MAIN
 
-#ifdef WINDOWS
-#  include "bss_file.c"
+#ifdef _WIN32
+static int WIN32_rename(const char *from, const char *to);
+#define rename(from,to) WIN32_rename((from),(to))
+#endif
+
+typedef struct {
+       const char *name;
+       unsigned long flag;
+       unsigned long mask;
+} NAME_EX_TBL;
+
+static UI_METHOD *ui_method = NULL;
+
+static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
+static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
+
+#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
+/* Looks like this stuff is worth moving into separate function */
+static EVP_PKEY *
+load_netscape_key(BIO *err, BIO *key, const char *file,
+               const char *key_descrip, int format);
 #endif
 
 int app_init(long mesgwin);
@@ -79,20 +180,25 @@ int args_from_file(char *file, int *argc, char **argv[])
        static char *buf=NULL;
        static char **arg=NULL;
        char *p;
-       struct stat stbuf;
-
-       if (stat(file,&stbuf) < 0) return(0);
 
        fp=fopen(file,"r");
        if (fp == NULL)
                return(0);
 
+       if (fseek(fp,0,SEEK_END)==0)
+               len=ftell(fp), rewind(fp);
+       else    len=-1;
+       if (len<=0)
+               {
+               fclose(fp);
+               return(0);
+               }
+
        *argc=0;
        *argv=NULL;
 
-       len=(unsigned int)stbuf.st_size;
-       if (buf != NULL) Free(buf);
-       buf=(char *)Malloc(len+1);
+       if (buf != NULL) OPENSSL_free(buf);
+       buf=(char *)OPENSSL_malloc(len+1);
        if (buf == NULL) return(0);
 
        len=fread(buf,1,len,fp);
@@ -102,8 +208,8 @@ int args_from_file(char *file, int *argc, char **argv[])
        i=0;
        for (p=buf; *p; p++)
                if (*p == '\n') i++;
-       if (arg != NULL) Free(arg);
-       arg=(char **)Malloc(sizeof(char *)*(i*2));
+       if (arg != NULL) OPENSSL_free(arg);
+       arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 
        *argv=arg;
        num=0;
@@ -155,15 +261,30 @@ int str2fmt(char *s)
                return(FORMAT_ASN1);
        else if ((*s == 'T') || (*s == 't'))
                return(FORMAT_TEXT);
+       else if ((*s == 'N') || (*s == 'n'))
+               return(FORMAT_NETSCAPE);
+       else if ((*s == 'S') || (*s == 's'))
+               return(FORMAT_SMIME);
+       else if ((*s == 'M') || (*s == 'm'))
+               return(FORMAT_MSBLOB);
+       else if ((*s == '1')
+               || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
+               || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
+               return(FORMAT_PKCS12);
+       else if ((*s == 'E') || (*s == 'e'))
+               return(FORMAT_ENGINE);
        else if ((*s == 'P') || (*s == 'p'))
-               return(FORMAT_PEM);
-       else if ((*s == 'N') || (*s == 'n'))
-               return(FORMAT_NETSCAPE);
+               {
+               if (s[1] == 'V' || s[1] == 'v')
+                       return FORMAT_PVK;
+               else
+                       return(FORMAT_PEM);
+               }
        else
                return(FORMAT_UNDEF);
        }
 
-#if defined(MSDOS) || defined(WIN32) || defined(WIN16)
+#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 void program_name(char *in, char *out, int size)
        {
        int i,n;
@@ -182,12 +303,23 @@ void program_name(char *in, char *out, int size)
        if (p == NULL)
                p=in;
        n=strlen(p);
+
+#if defined(OPENSSL_SYS_NETWARE)
+   /* strip off trailing .nlm if present. */
+   if ((n > 4) && (p[n-4] == '.') &&
+      ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
+      ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
+      ((p[n-1] == 'm') || (p[n-1] == 'M')))
+      n-=4;
+#else
        /* strip off trailing .exe if present. */
        if ((n > 4) && (p[n-4] == '.') &&
                ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
                ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
                ((p[n-1] == 'e') || (p[n-1] == 'E')))
                n-=4;
+#endif
+
        if (n > size-1)
                n=size-1;
 
@@ -201,6 +333,34 @@ void program_name(char *in, char *out, int size)
        out[n]='\0';
        }
 #else
+#ifdef OPENSSL_SYS_VMS
+void program_name(char *in, char *out, int size)
+       {
+       char *p=in, *q;
+       char *chars=":]>";
+
+       while(*chars != '\0')
+               {
+               q=strrchr(p,*chars);
+               if (q > p)
+                       p = q + 1;
+               chars++;
+               }
+
+       q=strrchr(p,'.');
+       if (q == NULL)
+               q = p + strlen(p);
+       strncpy(out,p,size-1);
+       if (q-p >= size)
+               {
+               out[size-1]='\0';
+               }
+       else
+               {
+               out[q-p]='\0';
+               }
+       }
+#else
 void program_name(char *in, char *out, int size)
        {
        char *p;
@@ -210,19 +370,9 @@ void program_name(char *in, char *out, int size)
                p++;
        else
                p=in;
-       strncpy(out,p,size-1);
-       out[size-1]='\0';
+       BUF_strlcpy(out,p,size);
        }
 #endif
-
-#ifdef WIN32
-int WIN32_rename(char *from, char *to)
-       {
-       int ret;
-
-       ret=MoveFileEx(from,to,MOVEFILE_REPLACE_EXISTING|MOVEFILE_COPY_ALLOWED);
-       return(ret?0:-1);
-       }
 #endif
 
 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
@@ -238,7 +388,7 @@ int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
        if (arg->count == 0)
                {
                arg->count=20;
-               arg->data=(char **)Malloc(sizeof(char *)*arg->count);
+               arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
                }
        for (i=0; i<arg->count; i++)
                arg->data[i]=NULL;
@@ -256,10 +406,17 @@ int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
                /* The start of something good :-) */
                if (num >= arg->count)
                        {
-                       arg->count+=20;
-                       arg->data=(char **)Realloc(arg->data,
-                               sizeof(char *)*arg->count);
-                       if (argc == 0) return(0);
+                       char **tmp_p;
+                       int tlen = arg->count + 20;
+                       tmp_p = (char **)OPENSSL_realloc(arg->data,
+                               sizeof(char *)*tlen);
+                       if (tmp_p == NULL)
+                               return 0;
+                       arg->data  = tmp_p;
+                       arg->count = tlen;
+                       /* initialize newly allocated data */
+                       for (i = num; i < arg->count; i++)
+                               arg->data[i] = NULL;
                        }
                arg->data[num++]=p;
 
@@ -296,3 +453,2507 @@ int app_init(long mesgwin)
        return(1);
        }
 #endif
+
+
+int dump_cert_text (BIO *out, X509 *x)
+{
+       char *p;
+
+       p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
+       BIO_puts(out,"subject=");
+       BIO_puts(out,p);
+       OPENSSL_free(p);
+
+       p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
+       BIO_puts(out,"\nissuer=");
+       BIO_puts(out,p);
+       BIO_puts(out,"\n");
+       OPENSSL_free(p);
+
+       return 0;
+}
+
+static int ui_open(UI *ui)
+       {
+       return UI_method_get_opener(UI_OpenSSL())(ui);
+       }
+static int ui_read(UI *ui, UI_STRING *uis)
+       {
+       if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
+               && UI_get0_user_data(ui))
+               {
+               switch(UI_get_string_type(uis))
+                       {
+               case UIT_PROMPT:
+               case UIT_VERIFY:
+                       {
+                       const char *password =
+                               ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
+                       if (password && password[0] != '\0')
+                               {
+                               UI_set_result(ui, uis, password);
+                               return 1;
+                               }
+                       }
+               default:
+                       break;
+                       }
+               }
+       return UI_method_get_reader(UI_OpenSSL())(ui, uis);
+       }
+static int ui_write(UI *ui, UI_STRING *uis)
+       {
+       if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
+               && UI_get0_user_data(ui))
+               {
+               switch(UI_get_string_type(uis))
+                       {
+               case UIT_PROMPT:
+               case UIT_VERIFY:
+                       {
+                       const char *password =
+                               ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
+                       if (password && password[0] != '\0')
+                               return 1;
+                       }
+               default:
+                       break;
+                       }
+               }
+       return UI_method_get_writer(UI_OpenSSL())(ui, uis);
+       }
+static int ui_close(UI *ui)
+       {
+       return UI_method_get_closer(UI_OpenSSL())(ui);
+       }
+int setup_ui_method(void)
+       {
+       ui_method = UI_create_method("OpenSSL application user interface");
+       UI_method_set_opener(ui_method, ui_open);
+       UI_method_set_reader(ui_method, ui_read);
+       UI_method_set_writer(ui_method, ui_write);
+       UI_method_set_closer(ui_method, ui_close);
+       return 0;
+       }
+void destroy_ui_method(void)
+       {
+       if(ui_method)
+               {
+               UI_destroy_method(ui_method);
+               ui_method = NULL;
+               }
+       }
+int password_callback(char *buf, int bufsiz, int verify,
+       PW_CB_DATA *cb_tmp)
+       {
+       UI *ui = NULL;
+       int res = 0;
+       const char *prompt_info = NULL;
+       const char *password = NULL;
+       PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
+
+       if (cb_data)
+               {
+               if (cb_data->password)
+                       password = cb_data->password;
+               if (cb_data->prompt_info)
+                       prompt_info = cb_data->prompt_info;
+               }
+
+       if (password)
+               {
+               res = strlen(password);
+               if (res > bufsiz)
+                       res = bufsiz;
+               memcpy(buf, password, res);
+               return res;
+               }
+
+       ui = UI_new_method(ui_method);
+       if (ui)
+               {
+               int ok = 0;
+               char *buff = NULL;
+               int ui_flags = 0;
+               char *prompt = NULL;
+
+               prompt = UI_construct_prompt(ui, "pass phrase",
+                       prompt_info);
+
+               ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
+               UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
+
+               if (ok >= 0)
+                       ok = UI_add_input_string(ui,prompt,ui_flags,buf,
+                               PW_MIN_LENGTH,BUFSIZ-1);
+               if (ok >= 0 && verify)
+                       {
+                       buff = (char *)OPENSSL_malloc(bufsiz);
+                       ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
+                               PW_MIN_LENGTH,BUFSIZ-1, buf);
+                       }
+               if (ok >= 0)
+                       do
+                               {
+                               ok = UI_process(ui);
+                               }
+                       while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
+
+               if (buff)
+                       {
+                       OPENSSL_cleanse(buff,(unsigned int)bufsiz);
+                       OPENSSL_free(buff);
+                       }
+
+               if (ok >= 0)
+                       res = strlen(buf);
+               if (ok == -1)
+                       {
+                       BIO_printf(bio_err, "User interface error\n");
+                       ERR_print_errors(bio_err);
+                       OPENSSL_cleanse(buf,(unsigned int)bufsiz);
+                       res = 0;
+                       }
+               if (ok == -2)
+                       {
+                       BIO_printf(bio_err,"aborted!\n");
+                       OPENSSL_cleanse(buf,(unsigned int)bufsiz);
+                       res = 0;
+                       }
+               UI_free(ui);
+               OPENSSL_free(prompt);
+               }
+       return res;
+       }
+
+static char *app_get_pass(BIO *err, char *arg, int keepbio);
+
+int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
+{
+       int same;
+       if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
+       else same = 1;
+       if(arg1) {
+               *pass1 = app_get_pass(err, arg1, same);
+               if(!*pass1) return 0;
+       } else if(pass1) *pass1 = NULL;
+       if(arg2) {
+               *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
+               if(!*pass2) return 0;
+       } else if(pass2) *pass2 = NULL;
+       return 1;
+}
+
+static char *app_get_pass(BIO *err, char *arg, int keepbio)
+{
+       char *tmp, tpass[APP_PASS_LEN];
+       static BIO *pwdbio = NULL;
+       int i;
+       if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
+       if(!strncmp(arg, "env:", 4)) {
+               tmp = getenv(arg + 4);
+               if(!tmp) {
+                       BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
+                       return NULL;
+               }
+               return BUF_strdup(tmp);
+       }
+       if(!keepbio || !pwdbio) {
+               if(!strncmp(arg, "file:", 5)) {
+                       pwdbio = BIO_new_file(arg + 5, "r");
+                       if(!pwdbio) {
+                               BIO_printf(err, "Can't open file %s\n", arg + 5);
+                               return NULL;
+                       }
+#if !defined(_WIN32)
+               /*
+                * Under _WIN32, which covers even Win64 and CE, file
+                * descriptors referenced by BIO_s_fd are not inherited
+                * by child process and therefore below is not an option.
+                * It could have been an option if bss_fd.c was operating
+                * on real Windows descriptors, such as those obtained
+                * with CreateFile.
+                */
+               } else if(!strncmp(arg, "fd:", 3)) {
+                       BIO *btmp;
+                       i = atoi(arg + 3);
+                       if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
+                       if((i < 0) || !pwdbio) {
+                               BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
+                               return NULL;
+                       }
+                       /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
+                       btmp = BIO_new(BIO_f_buffer());
+                       pwdbio = BIO_push(btmp, pwdbio);
+#endif
+               } else if(!strcmp(arg, "stdin")) {
+                       pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
+                       if(!pwdbio) {
+                               BIO_printf(err, "Can't open BIO for stdin\n");
+                               return NULL;
+                       }
+               } else {
+                       BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
+                       return NULL;
+               }
+       }
+       i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
+       if(keepbio != 1) {
+               BIO_free_all(pwdbio);
+               pwdbio = NULL;
+       }
+       if(i <= 0) {
+               BIO_printf(err, "Error reading password from BIO\n");
+               return NULL;
+       }
+       tmp = strchr(tpass, '\n');
+       if(tmp) *tmp = 0;
+       return BUF_strdup(tpass);
+}
+
+int add_oid_section(BIO *err, CONF *conf)
+{      
+       char *p;
+       STACK_OF(CONF_VALUE) *sktmp;
+       CONF_VALUE *cnf;
+       int i;
+       if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
+               {
+               ERR_clear_error();
+               return 1;
+               }
+       if(!(sktmp = NCONF_get_section(conf, p))) {
+               BIO_printf(err, "problem loading oid section %s\n", p);
+               return 0;
+       }
+       for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
+               cnf = sk_CONF_VALUE_value(sktmp, i);
+               if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
+                       BIO_printf(err, "problem creating object %s=%s\n",
+                                                        cnf->name, cnf->value);
+                       return 0;
+               }
+       }
+       return 1;
+}
+
+static int load_pkcs12(BIO *err, BIO *in, const char *desc,
+               pem_password_cb *pem_cb,  void *cb_data,
+               EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
+       {
+       const char *pass;
+       char tpass[PEM_BUFSIZE];
+       int len, ret = 0;
+       PKCS12 *p12;
+       p12 = d2i_PKCS12_bio(in, NULL);
+       if (p12 == NULL)
+               {
+               BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);    
+               goto die;
+               }
+       /* See if an empty password will do */
+       if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
+               pass = "";
+       else
+               {
+               if (!pem_cb)
+                       pem_cb = (pem_password_cb *)password_callback;
+               len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
+               if (len < 0) 
+                       {
+                       BIO_printf(err, "Passpharse callback error for %s\n",
+                                       desc);
+                       goto die;
+                       }
+               if (len < PEM_BUFSIZE)
+                       tpass[len] = 0;
+               if (!PKCS12_verify_mac(p12, tpass, len))
+                       {
+                       BIO_printf(err,
+       "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);    
+                       goto die;
+                       }
+               pass = tpass;
+               }
+       ret = PKCS12_parse(p12, pass, pkey, cert, ca);
+       die:
+       if (p12)
+               PKCS12_free(p12);
+       return ret;
+       }
+
+X509 *load_cert(BIO *err, const char *file, int format,
+       const char *pass, ENGINE *e, const char *cert_descrip)
+       {
+       X509 *x=NULL;
+       BIO *cert;
+
+       if ((cert=BIO_new(BIO_s_file())) == NULL)
+               {
+               ERR_print_errors(err);
+               goto end;
+               }
+
+       if (file == NULL)
+               {
+#ifdef _IONBF
+               setvbuf(stdin, NULL, _IONBF, 0);
+#endif
+               BIO_set_fp(cert,stdin,BIO_NOCLOSE);
+               }
+       else
+               {
+               if (BIO_read_filename(cert,file) <= 0)
+                       {
+                       BIO_printf(err, "Error opening %s %s\n",
+                               cert_descrip, file);
+                       ERR_print_errors(err);
+                       goto end;
+                       }
+               }
+
+       if      (format == FORMAT_ASN1)
+               x=d2i_X509_bio(cert,NULL);
+       else if (format == FORMAT_NETSCAPE)
+               {
+               NETSCAPE_X509 *nx;
+               nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
+               if (nx == NULL)
+                               goto end;
+
+               if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
+                       nx->header->length) != 0))
+                       {
+                       NETSCAPE_X509_free(nx);
+                       BIO_printf(err,"Error reading header on certificate\n");
+                       goto end;
+                       }
+               x=nx->cert;
+               nx->cert = NULL;
+               NETSCAPE_X509_free(nx);
+               }
+       else if (format == FORMAT_PEM)
+               x=PEM_read_bio_X509_AUX(cert,NULL,
+                       (pem_password_cb *)password_callback, NULL);
+       else if (format == FORMAT_PKCS12)
+               {
+               if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
+                                       NULL, &x, NULL))
+                       goto end;
+               }
+       else    {
+               BIO_printf(err,"bad input format specified for %s\n",
+                       cert_descrip);
+               goto end;
+               }
+end:
+       if (x == NULL)
+               {
+               BIO_printf(err,"unable to load certificate\n");
+               ERR_print_errors(err);
+               }
+       if (cert != NULL) BIO_free(cert);
+       return(x);
+       }
+
+EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
+       const char *pass, ENGINE *e, const char *key_descrip)
+       {
+       BIO *key=NULL;
+       EVP_PKEY *pkey=NULL;
+       PW_CB_DATA cb_data;
+
+       cb_data.password = pass;
+       cb_data.prompt_info = file;
+
+       if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
+               {
+               BIO_printf(err,"no keyfile specified\n");
+               goto end;
+               }
+#ifndef OPENSSL_NO_ENGINE
+       if (format == FORMAT_ENGINE)
+               {
+               if (!e)
+                       BIO_printf(bio_err,"no engine specified\n");
+               else
+                       pkey = ENGINE_load_private_key(e, file,
+                               ui_method, &cb_data);
+               goto end;
+               }
+#endif
+       key=BIO_new(BIO_s_file());
+       if (key == NULL)
+               {
+               ERR_print_errors(err);
+               goto end;
+               }
+       if (file == NULL && maybe_stdin)
+               {
+#ifdef _IONBF
+               setvbuf(stdin, NULL, _IONBF, 0);
+#endif
+               BIO_set_fp(key,stdin,BIO_NOCLOSE);
+               }
+       else
+               if (BIO_read_filename(key,file) <= 0)
+                       {
+                       BIO_printf(err, "Error opening %s %s\n",
+                               key_descrip, file);
+                       ERR_print_errors(err);
+                       goto end;
+                       }
+       if (format == FORMAT_ASN1)
+               {
+               pkey=d2i_PrivateKey_bio(key, NULL);
+               }
+       else if (format == FORMAT_PEM)
+               {
+               pkey=PEM_read_bio_PrivateKey(key,NULL,
+                       (pem_password_cb *)password_callback, &cb_data);
+               }
+#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
+       else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
+               pkey = load_netscape_key(err, key, file, key_descrip, format);
+#endif
+       else if (format == FORMAT_PKCS12)
+               {
+               if (!load_pkcs12(err, key, key_descrip,
+                               (pem_password_cb *)password_callback, &cb_data,
+                               &pkey, NULL, NULL))
+                       goto end;
+               }
+#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
+       else if (format == FORMAT_MSBLOB)
+               pkey = b2i_PrivateKey_bio(key);
+       else if (format == FORMAT_PVK)
+               pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
+                                                               &cb_data);
+#endif
+       else
+               {
+               BIO_printf(err,"bad input format specified for key file\n");
+               goto end;
+               }
+ end:
+       if (key != NULL) BIO_free(key);
+       if (pkey == NULL)
+               BIO_printf(err,"unable to load %s\n", key_descrip);
+       return(pkey);
+       }
+
+EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
+       const char *pass, ENGINE *e, const char *key_descrip)
+       {
+       BIO *key=NULL;
+       EVP_PKEY *pkey=NULL;
+       PW_CB_DATA cb_data;
+
+       cb_data.password = pass;
+       cb_data.prompt_info = file;
+
+       if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
+               {
+               BIO_printf(err,"no keyfile specified\n");
+               goto end;
+               }
+#ifndef OPENSSL_NO_ENGINE
+       if (format == FORMAT_ENGINE)
+               {
+               if (!e)
+                       BIO_printf(bio_err,"no engine specified\n");
+               else
+                       pkey = ENGINE_load_public_key(e, file,
+                               ui_method, &cb_data);
+               goto end;
+               }
+#endif
+       key=BIO_new(BIO_s_file());
+       if (key == NULL)
+               {
+               ERR_print_errors(err);
+               goto end;
+               }
+       if (file == NULL && maybe_stdin)
+               {
+#ifdef _IONBF
+               setvbuf(stdin, NULL, _IONBF, 0);
+#endif
+               BIO_set_fp(key,stdin,BIO_NOCLOSE);
+               }
+       else
+               if (BIO_read_filename(key,file) <= 0)
+                       {
+                       BIO_printf(err, "Error opening %s %s\n",
+                               key_descrip, file);
+                       ERR_print_errors(err);
+                       goto end;
+               }
+       if (format == FORMAT_ASN1)
+               {
+               pkey=d2i_PUBKEY_bio(key, NULL);
+               }
+#ifndef OPENSSL_NO_RSA
+       else if (format == FORMAT_ASN1RSA)
+               {
+               RSA *rsa;
+               rsa = d2i_RSAPublicKey_bio(key, NULL);
+               if (rsa)
+                       {
+                       pkey = EVP_PKEY_new();
+                       if (pkey)
+                               EVP_PKEY_set1_RSA(pkey, rsa);
+                       RSA_free(rsa);
+                       }
+               else
+                       pkey = NULL;
+               }
+       else if (format == FORMAT_PEMRSA)
+               {
+               RSA *rsa;
+               rsa = PEM_read_bio_RSAPublicKey(key, NULL, 
+                       (pem_password_cb *)password_callback, &cb_data);
+               if (rsa)
+                       {
+                       pkey = EVP_PKEY_new();
+                       if (pkey)
+                               EVP_PKEY_set1_RSA(pkey, rsa);
+                       RSA_free(rsa);
+                       }
+               else
+                       pkey = NULL;
+               }
+#endif
+       else if (format == FORMAT_PEM)
+               {
+               pkey=PEM_read_bio_PUBKEY(key,NULL,
+                       (pem_password_cb *)password_callback, &cb_data);
+               }
+#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
+       else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
+               pkey = load_netscape_key(err, key, file, key_descrip, format);
+#endif
+#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
+       else if (format == FORMAT_MSBLOB)
+               pkey = b2i_PublicKey_bio(key);
+#endif
+       else
+               {
+               BIO_printf(err,"bad input format specified for key file\n");
+               goto end;
+               }
+ end:
+       if (key != NULL) BIO_free(key);
+       if (pkey == NULL)
+               BIO_printf(err,"unable to load %s\n", key_descrip);
+       return(pkey);
+       }
+
+#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
+static EVP_PKEY *
+load_netscape_key(BIO *err, BIO *key, const char *file,
+               const char *key_descrip, int format)
+       {
+       EVP_PKEY *pkey;
+       BUF_MEM *buf;
+       RSA     *rsa;
+       const unsigned char *p;
+       int size, i;
+
+       buf=BUF_MEM_new();
+       pkey = EVP_PKEY_new();
+       size = 0;
+       if (buf == NULL || pkey == NULL)
+               goto error;
+       for (;;)
+               {
+               if (!BUF_MEM_grow_clean(buf,size+1024*10))
+                       goto error;
+               i = BIO_read(key, &(buf->data[size]), 1024*10);
+               size += i;
+               if (i == 0)
+                       break;
+               if (i < 0)
+                       {
+                               BIO_printf(err, "Error reading %s %s",
+                                       key_descrip, file);
+                               goto error;
+                       }
+               }
+       p=(unsigned char *)buf->data;
+       rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
+               (format == FORMAT_IISSGC ? 1 : 0));
+       if (rsa == NULL)
+               goto error;
+       BUF_MEM_free(buf);
+       EVP_PKEY_set1_RSA(pkey, rsa);
+       return pkey;
+error:
+       BUF_MEM_free(buf);
+       EVP_PKEY_free(pkey);
+       return NULL;
+       }
+#endif /* ndef OPENSSL_NO_RC4 */
+
+STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
+       const char *pass, ENGINE *e, const char *cert_descrip)
+       {
+       BIO *certs;
+       int i;
+       STACK_OF(X509) *othercerts = NULL;
+       STACK_OF(X509_INFO) *allcerts = NULL;
+       X509_INFO *xi;
+       PW_CB_DATA cb_data;
+
+       cb_data.password = pass;
+       cb_data.prompt_info = file;
+
+       if((certs = BIO_new(BIO_s_file())) == NULL)
+               {
+               ERR_print_errors(err);
+               goto end;
+               }
+
+       if (file == NULL)
+               BIO_set_fp(certs,stdin,BIO_NOCLOSE);
+       else
+               {
+               if (BIO_read_filename(certs,file) <= 0)
+                       {
+                       BIO_printf(err, "Error opening %s %s\n",
+                               cert_descrip, file);
+                       ERR_print_errors(err);
+                       goto end;
+                       }
+               }
+
+       if      (format == FORMAT_PEM)
+               {
+               othercerts = sk_X509_new_null();
+               if(!othercerts)
+                       {
+                       sk_X509_free(othercerts);
+                       othercerts = NULL;
+                       goto end;
+                       }
+               allcerts = PEM_X509_INFO_read_bio(certs, NULL,
+                               (pem_password_cb *)password_callback, &cb_data);
+               for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
+                       {
+                       xi = sk_X509_INFO_value (allcerts, i);
+                       if (xi->x509)
+                               {
+                               sk_X509_push(othercerts, xi->x509);
+                               xi->x509 = NULL;
+                               }
+                       }
+               goto end;
+               }
+       else    {
+               BIO_printf(err,"bad input format specified for %s\n",
+                       cert_descrip);
+               goto end;
+               }
+end:
+       if (othercerts == NULL)
+               {
+               BIO_printf(err,"unable to load certificates\n");
+               ERR_print_errors(err);
+               }
+       if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
+       if (certs != NULL) BIO_free(certs);
+       return(othercerts);
+       }
+
+
+#define X509V3_EXT_UNKNOWN_MASK                (0xfL << 16)
+/* Return error for unknown extensions */
+#define X509V3_EXT_DEFAULT             0
+/* Print error for unknown extensions */
+#define X509V3_EXT_ERROR_UNKNOWN       (1L << 16)
+/* ASN1 parse unknown extensions */
+#define X509V3_EXT_PARSE_UNKNOWN       (2L << 16)
+/* BIO_dump unknown extensions */
+#define X509V3_EXT_DUMP_UNKNOWN                (3L << 16)
+
+#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
+                        X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
+
+int set_cert_ex(unsigned long *flags, const char *arg)
+{
+       static const NAME_EX_TBL cert_tbl[] = {
+               { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
+               { "ca_default", X509_FLAG_CA, 0xffffffffl},
+               { "no_header", X509_FLAG_NO_HEADER, 0},
+               { "no_version", X509_FLAG_NO_VERSION, 0},
+               { "no_serial", X509_FLAG_NO_SERIAL, 0},
+               { "no_signame", X509_FLAG_NO_SIGNAME, 0},
+               { "no_validity", X509_FLAG_NO_VALIDITY, 0},
+               { "no_subject", X509_FLAG_NO_SUBJECT, 0},
+               { "no_issuer", X509_FLAG_NO_ISSUER, 0},
+               { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
+               { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
+               { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
+               { "no_aux", X509_FLAG_NO_AUX, 0},
+               { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
+               { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
+               { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
+               { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
+               { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
+               { NULL, 0, 0}
+       };
+       return set_multi_opts(flags, arg, cert_tbl);
+}
+
+int set_name_ex(unsigned long *flags, const char *arg)
+{
+       static const NAME_EX_TBL ex_tbl[] = {
+               { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
+               { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
+               { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
+               { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
+               { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
+               { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
+               { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
+               { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
+               { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
+               { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
+               { "compat", XN_FLAG_COMPAT, 0xffffffffL},
+               { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
+               { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
+               { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
+               { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
+               { "dn_rev", XN_FLAG_DN_REV, 0},
+               { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
+               { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
+               { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
+               { "align", XN_FLAG_FN_ALIGN, 0},
+               { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
+               { "space_eq", XN_FLAG_SPC_EQ, 0},
+               { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
+               { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
+               { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
+               { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
+               { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
+               { NULL, 0, 0}
+       };
+       return set_multi_opts(flags, arg, ex_tbl);
+}
+
+int set_ext_copy(int *copy_type, const char *arg)
+{
+       if (!strcasecmp(arg, "none"))
+               *copy_type = EXT_COPY_NONE;
+       else if (!strcasecmp(arg, "copy"))
+               *copy_type = EXT_COPY_ADD;
+       else if (!strcasecmp(arg, "copyall"))
+               *copy_type = EXT_COPY_ALL;
+       else
+               return 0;
+       return 1;
+}
+
+int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
+{
+       STACK_OF(X509_EXTENSION) *exts = NULL;
+       X509_EXTENSION *ext, *tmpext;
+       ASN1_OBJECT *obj;
+       int i, idx, ret = 0;
+       if (!x || !req || (copy_type == EXT_COPY_NONE))
+               return 1;
+       exts = X509_REQ_get_extensions(req);
+
+       for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
+               ext = sk_X509_EXTENSION_value(exts, i);
+               obj = X509_EXTENSION_get_object(ext);
+               idx = X509_get_ext_by_OBJ(x, obj, -1);
+               /* Does extension exist? */
+               if (idx != -1) {
+                       /* If normal copy don't override existing extension */
+                       if (copy_type == EXT_COPY_ADD)
+                               continue;
+                       /* Delete all extensions of same type */
+                       do {
+                               tmpext = X509_get_ext(x, idx);
+                               X509_delete_ext(x, idx);
+                               X509_EXTENSION_free(tmpext);
+                               idx = X509_get_ext_by_OBJ(x, obj, -1);
+                       } while (idx != -1);
+               }
+               if (!X509_add_ext(x, ext, -1))
+                       goto end;
+       }
+
+       ret = 1;
+
+       end:
+
+       sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
+
+       return ret;
+}
+               
+               
+                       
+
+static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
+{
+       STACK_OF(CONF_VALUE) *vals;
+       CONF_VALUE *val;
+       int i, ret = 1;
+       if(!arg) return 0;
+       vals = X509V3_parse_list(arg);
+       for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
+               val = sk_CONF_VALUE_value(vals, i);
+               if (!set_table_opts(flags, val->name, in_tbl))
+                       ret = 0;
+       }
+       sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
+       return ret;
+}
+
+static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
+{
+       char c;
+       const NAME_EX_TBL *ptbl;
+       c = arg[0];
+
+       if(c == '-') {
+               c = 0;
+               arg++;
+       } else if (c == '+') {
+               c = 1;
+               arg++;
+       } else c = 1;
+
+       for(ptbl = in_tbl; ptbl->name; ptbl++) {
+               if(!strcasecmp(arg, ptbl->name)) {
+                       *flags &= ~ptbl->mask;
+                       if(c) *flags |= ptbl->flag;
+                       else *flags &= ~ptbl->flag;
+                       return 1;
+               }
+       }
+       return 0;
+}
+
+void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
+{
+       char *buf;
+       char mline = 0;
+       int indent = 0;
+
+       if(title) BIO_puts(out, title);
+       if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
+               mline = 1;
+               indent = 4;
+       }
+       if(lflags == XN_FLAG_COMPAT) {
+               buf = X509_NAME_oneline(nm, 0, 0);
+               BIO_puts(out, buf);
+               BIO_puts(out, "\n");
+               OPENSSL_free(buf);
+       } else {
+               if(mline) BIO_puts(out, "\n");
+               X509_NAME_print_ex(out, nm, indent, lflags);
+               BIO_puts(out, "\n");
+       }
+}
+
+X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
+{
+       X509_STORE *store;
+       X509_LOOKUP *lookup;
+       if(!(store = X509_STORE_new())) goto end;
+       lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
+       if (lookup == NULL) goto end;
+       if (CAfile) {
+               if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
+                       BIO_printf(bp, "Error loading file %s\n", CAfile);
+                       goto end;
+               }
+       } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
+               
+       lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
+       if (lookup == NULL) goto end;
+       if (CApath) {
+               if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
+                       BIO_printf(bp, "Error loading directory %s\n", CApath);
+                       goto end;
+               }
+       } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
+
+       ERR_clear_error();
+       return store;
+       end:
+       X509_STORE_free(store);
+       return NULL;
+}
+
+#ifndef OPENSSL_NO_ENGINE
+/* Try to load an engine in a shareable library */
+static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
+       {
+       ENGINE *e = ENGINE_by_id("dynamic");
+       if (e)
+               {
+               if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
+                       || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
+                       {
+                       ENGINE_free(e);
+                       e = NULL;
+                       }
+               }
+       return e;
+       }
+
+ENGINE *setup_engine(BIO *err, const char *engine, int debug)
+        {
+        ENGINE *e = NULL;
+
+        if (engine)
+                {
+               if(strcmp(engine, "auto") == 0)
+                       {
+                       BIO_printf(err,"enabling auto ENGINE support\n");
+                       ENGINE_register_all_complete();
+                       return NULL;
+                       }
+               if((e = ENGINE_by_id(engine)) == NULL
+                       && (e = try_load_engine(err, engine, debug)) == NULL)
+                       {
+                       BIO_printf(err,"invalid engine \"%s\"\n", engine);
+                       ERR_print_errors(err);
+                       return NULL;
+                       }
+               if (debug)
+                       {
+                       ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
+                               0, err, 0);
+                       }
+                ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
+               if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
+                       {
+                       BIO_printf(err,"can't use that engine\n");
+                       ERR_print_errors(err);
+                       ENGINE_free(e);
+                       return NULL;
+                       }
+
+               BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
+
+               /* Free our "structural" reference. */
+               ENGINE_free(e);
+               }
+        return e;
+        }
+#endif
+
+int load_config(BIO *err, CONF *cnf)
+       {
+       static int load_config_called = 0;
+       if (load_config_called)
+               return 1;
+       load_config_called = 1;
+       if (!cnf)
+               cnf = config;
+       if (!cnf)
+               return 1;
+
+       OPENSSL_load_builtin_modules();
+
+       if (CONF_modules_load(cnf, NULL, 0) <= 0)
+               {
+               BIO_printf(err, "Error configuring OpenSSL\n");
+               ERR_print_errors(err);
+               return 0;
+               }
+       return 1;
+       }
+
+char *make_config_name()
+       {
+       const char *t=X509_get_default_cert_area();
+       size_t len;
+       char *p;
+
+       len=strlen(t)+strlen(OPENSSL_CONF)+2;
+       p=OPENSSL_malloc(len);
+       BUF_strlcpy(p,t,len);
+#ifndef OPENSSL_SYS_VMS
+       BUF_strlcat(p,"/",len);
+#endif
+       BUF_strlcat(p,OPENSSL_CONF,len);
+
+       return p;
+       }
+
+static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
+       {
+       const char *n;
+
+       n=a[DB_serial];
+       while (*n == '0') n++;
+       return(lh_strhash(n));
+       }
+
+static int index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
+       {
+       const char *aa,*bb;
+
+       for (aa=a[DB_serial]; *aa == '0'; aa++);
+       for (bb=b[DB_serial]; *bb == '0'; bb++);
+       return(strcmp(aa,bb));
+       }
+
+static int index_name_qual(char **a)
+       { return(a[0][0] == 'V'); }
+
+static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
+       { return(lh_strhash(a[DB_name])); }
+
+int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
+       { return(strcmp(a[DB_name], b[DB_name])); }
+
+static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
+static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
+static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
+static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
+
+#undef BSIZE
+#define BSIZE 256
+
+BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
+       {
+       BIO *in=NULL;
+       BIGNUM *ret=NULL;
+       MS_STATIC char buf[1024];
+       ASN1_INTEGER *ai=NULL;
+
+       ai=ASN1_INTEGER_new();
+       if (ai == NULL) goto err;
+
+       if ((in=BIO_new(BIO_s_file())) == NULL)
+               {
+               ERR_print_errors(bio_err);
+               goto err;
+               }
+
+       if (BIO_read_filename(in,serialfile) <= 0)
+               {
+               if (!create)
+                       {
+                       perror(serialfile);
+                       goto err;
+                       }
+               else
+                       {
+                       ret=BN_new();
+                       if (ret == NULL || !rand_serial(ret, ai))
+                               BIO_printf(bio_err, "Out of memory\n");
+                       }
+               }
+       else
+               {
+               if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
+                       {
+                       BIO_printf(bio_err,"unable to load number from %s\n",
+                               serialfile);
+                       goto err;
+                       }
+               ret=ASN1_INTEGER_to_BN(ai,NULL);
+               if (ret == NULL)
+                       {
+                       BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
+                       goto err;
+                       }
+               }
+
+       if (ret && retai)
+               {
+               *retai = ai;
+               ai = NULL;
+               }
+ err:
+       if (in != NULL) BIO_free(in);
+       if (ai != NULL) ASN1_INTEGER_free(ai);
+       return(ret);
+       }
+
+int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
+       {
+       char buf[1][BSIZE];
+       BIO *out = NULL;
+       int ret=0;
+       ASN1_INTEGER *ai=NULL;
+       int j;
+
+       if (suffix == NULL)
+               j = strlen(serialfile);
+       else
+               j = strlen(serialfile) + strlen(suffix) + 1;
+       if (j >= BSIZE)
+               {
+               BIO_printf(bio_err,"file name too long\n");
+               goto err;
+               }
+
+       if (suffix == NULL)
+               BUF_strlcpy(buf[0], serialfile, BSIZE);
+       else
+               {
+#ifndef OPENSSL_SYS_VMS
+               j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
+#else
+               j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
+#endif
+               }
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
+#endif
+       out=BIO_new(BIO_s_file());
+       if (out == NULL)
+               {
+               ERR_print_errors(bio_err);
+               goto err;
+               }
+       if (BIO_write_filename(out,buf[0]) <= 0)
+               {
+               perror(serialfile);
+               goto err;
+               }
+
+       if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
+               {
+               BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
+               goto err;
+               }
+       i2a_ASN1_INTEGER(out,ai);
+       BIO_puts(out,"\n");
+       ret=1;
+       if (retai)
+               {
+               *retai = ai;
+               ai = NULL;
+               }
+err:
+       if (out != NULL) BIO_free_all(out);
+       if (ai != NULL) ASN1_INTEGER_free(ai);
+       return(ret);
+       }
+
+int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
+       {
+       char buf[5][BSIZE];
+       int i,j;
+
+       i = strlen(serialfile) + strlen(old_suffix);
+       j = strlen(serialfile) + strlen(new_suffix);
+       if (i > j) j = i;
+       if (j + 1 >= BSIZE)
+               {
+               BIO_printf(bio_err,"file name too long\n");
+               goto err;
+               }
+
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
+               serialfile, new_suffix);
+#else
+       j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
+               serialfile, new_suffix);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
+               serialfile, old_suffix);
+#else
+       j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
+               serialfile, old_suffix);
+#endif
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
+               serialfile, buf[1]);
+#endif
+       if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
+#ifdef ENOTDIR
+                       && errno != ENOTDIR
+#endif
+          )            {
+                       BIO_printf(bio_err,
+                               "unable to rename %s to %s\n",
+                               serialfile, buf[1]);
+                       perror("reason");
+                       goto err;
+                       }
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
+               buf[0],serialfile);
+#endif
+       if (rename(buf[0],serialfile) < 0)
+               {
+               BIO_printf(bio_err,
+                       "unable to rename %s to %s\n",
+                       buf[0],serialfile);
+               perror("reason");
+               rename(buf[1],serialfile);
+               goto err;
+               }
+       return 1;
+ err:
+       return 0;
+       }
+
+int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
+       {
+       BIGNUM *btmp;
+       int ret = 0;
+       if (b)
+               btmp = b;
+       else
+               btmp = BN_new();
+
+       if (!btmp)
+               return 0;
+
+       if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
+               goto error;
+       if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
+               goto error;
+
+       ret = 1;
+       
+       error:
+
+       if (!b)
+               BN_free(btmp);
+       
+       return ret;
+       }
+
+CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
+       {
+       CA_DB *retdb = NULL;
+       TXT_DB *tmpdb = NULL;
+       BIO *in = BIO_new(BIO_s_file());
+       CONF *dbattr_conf = NULL;
+       char buf[1][BSIZE];
+       long errorline= -1;
+
+       if (in == NULL)
+               {
+               ERR_print_errors(bio_err);
+               goto err;
+               }
+       if (BIO_read_filename(in,dbfile) <= 0)
+               {
+               perror(dbfile);
+               BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
+               goto err;
+               }
+       if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
+               goto err;
+
+#ifndef OPENSSL_SYS_VMS
+       BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
+#else
+       BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
+#endif
+       dbattr_conf = NCONF_new(NULL);
+       if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
+               {
+               if (errorline > 0)
+                       {
+                       BIO_printf(bio_err,
+                               "error on line %ld of db attribute file '%s'\n"
+                               ,errorline,buf[0]);
+                       goto err;
+                       }
+               else
+                       {
+                       NCONF_free(dbattr_conf);
+                       dbattr_conf = NULL;
+                       }
+               }
+
+       if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
+               {
+               fprintf(stderr, "Out of memory\n");
+               goto err;
+               }
+
+       retdb->db = tmpdb;
+       tmpdb = NULL;
+       if (db_attr)
+               retdb->attributes = *db_attr;
+       else
+               {
+               retdb->attributes.unique_subject = 1;
+               }
+
+       if (dbattr_conf)
+               {
+               char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
+               if (p)
+                       {
+#ifdef RL_DEBUG
+                       BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
+#endif
+                       retdb->attributes.unique_subject = parse_yesno(p,1);
+                       }
+               }
+
+ err:
+       if (dbattr_conf) NCONF_free(dbattr_conf);
+       if (tmpdb) TXT_DB_free(tmpdb);
+       if (in) BIO_free_all(in);
+       return retdb;
+       }
+
+int index_index(CA_DB *db)
+       {
+       if (!TXT_DB_create_index(db->db, DB_serial, NULL,
+                               LHASH_HASH_FN(index_serial),
+                               LHASH_COMP_FN(index_serial)))
+               {
+               BIO_printf(bio_err,
+                 "error creating serial number index:(%ld,%ld,%ld)\n",
+                                       db->db->error,db->db->arg1,db->db->arg2);
+                       return 0;
+               }
+
+       if (db->attributes.unique_subject
+               && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
+                       LHASH_HASH_FN(index_name),
+                       LHASH_COMP_FN(index_name)))
+               {
+               BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
+                       db->db->error,db->db->arg1,db->db->arg2);
+               return 0;
+               }
+       return 1;
+       }
+
+int save_index(const char *dbfile, const char *suffix, CA_DB *db)
+       {
+       char buf[3][BSIZE];
+       BIO *out = BIO_new(BIO_s_file());
+       int j;
+
+       if (out == NULL)
+               {
+               ERR_print_errors(bio_err);
+               goto err;
+               }
+
+       j = strlen(dbfile) + strlen(suffix);
+       if (j + 6 >= BSIZE)
+               {
+               BIO_printf(bio_err,"file name too long\n");
+               goto err;
+               }
+
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
+#else
+       j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
+#else
+       j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
+#else
+       j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
+#endif
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
+#endif
+       if (BIO_write_filename(out,buf[0]) <= 0)
+               {
+               perror(dbfile);
+               BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
+               goto err;
+               }
+       j=TXT_DB_write(out,db->db);
+       if (j <= 0) goto err;
+                       
+       BIO_free(out);
+
+       out = BIO_new(BIO_s_file());
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
+#endif
+       if (BIO_write_filename(out,buf[1]) <= 0)
+               {
+               perror(buf[2]);
+               BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
+               goto err;
+               }
+       BIO_printf(out,"unique_subject = %s\n",
+               db->attributes.unique_subject ? "yes" : "no");
+       BIO_free(out);
+
+       return 1;
+ err:
+       return 0;
+       }
+
+int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
+       {
+       char buf[5][BSIZE];
+       int i,j;
+
+       i = strlen(dbfile) + strlen(old_suffix);
+       j = strlen(dbfile) + strlen(new_suffix);
+       if (i > j) j = i;
+       if (j + 6 >= BSIZE)
+               {
+               BIO_printf(bio_err,"file name too long\n");
+               goto err;
+               }
+
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
+#else
+       j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
+               dbfile, new_suffix);
+#else
+       j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
+               dbfile, new_suffix);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
+               dbfile, new_suffix);
+#else
+       j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
+               dbfile, new_suffix);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
+               dbfile, old_suffix);
+#else
+       j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
+               dbfile, old_suffix);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
+               dbfile, old_suffix);
+#else
+       j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
+               dbfile, old_suffix);
+#endif
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
+               dbfile, buf[1]);
+#endif
+       if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
+#ifdef ENOTDIR
+               && errno != ENOTDIR
+#endif
+          )            {
+                       BIO_printf(bio_err,
+                               "unable to rename %s to %s\n",
+                               dbfile, buf[1]);
+                       perror("reason");
+                       goto err;
+                       }
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
+               buf[0],dbfile);
+#endif
+       if (rename(buf[0],dbfile) < 0)
+               {
+               BIO_printf(bio_err,
+                       "unable to rename %s to %s\n",
+                       buf[0],dbfile);
+               perror("reason");
+               rename(buf[1],dbfile);
+               goto err;
+               }
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
+               buf[4],buf[3]);
+#endif
+       if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
+#ifdef ENOTDIR
+               && errno != ENOTDIR
+#endif
+          )            {
+                       BIO_printf(bio_err,
+                               "unable to rename %s to %s\n",
+                               buf[4], buf[3]);
+                       perror("reason");
+                       rename(dbfile,buf[0]);
+                       rename(buf[1],dbfile);
+                       goto err;
+                       }
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
+               buf[2],buf[4]);
+#endif
+       if (rename(buf[2],buf[4]) < 0)
+               {
+               BIO_printf(bio_err,
+                       "unable to rename %s to %s\n",
+                       buf[2],buf[4]);
+               perror("reason");
+               rename(buf[3],buf[4]);
+               rename(dbfile,buf[0]);
+               rename(buf[1],dbfile);
+               goto err;
+               }
+       return 1;
+ err:
+       return 0;
+       }
+
+void free_index(CA_DB *db)
+       {
+       if (db)
+               {
+               if (db->db) TXT_DB_free(db->db);
+               OPENSSL_free(db);
+               }
+       }
+
+int parse_yesno(const char *str, int def)
+       {
+       int ret = def;
+       if (str)
+               {
+               switch (*str)
+                       {
+               case 'f': /* false */
+               case 'F': /* FALSE */
+               case 'n': /* no */
+               case 'N': /* NO */
+               case '0': /* 0 */
+                       ret = 0;
+                       break;
+               case 't': /* true */
+               case 'T': /* TRUE */
+               case 'y': /* yes */
+               case 'Y': /* YES */
+               case '1': /* 1 */
+                       ret = 1;
+                       break;
+               default:
+                       ret = def;
+                       break;
+                       }
+               }
+       return ret;
+       }
+
+/*
+ * subject is expected to be in the format /type0=value0/type1=value1/type2=...
+ * where characters may be escaped by \
+ */
+X509_NAME *parse_name(char *subject, long chtype, int multirdn)
+       {
+       size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
+       char *buf = OPENSSL_malloc(buflen);
+       size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
+       char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
+       char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
+       int *mval = OPENSSL_malloc (max_ne * sizeof (int));
+
+       char *sp = subject, *bp = buf;
+       int i, ne_num = 0;
+
+       X509_NAME *n = NULL;
+       int nid;
+
+       if (!buf || !ne_types || !ne_values)
+               {
+               BIO_printf(bio_err, "malloc error\n");
+               goto error;
+               }       
+
+       if (*subject != '/')
+               {
+               BIO_printf(bio_err, "Subject does not start with '/'.\n");
+               goto error;
+               }
+       sp++; /* skip leading / */
+
+       /* no multivalued RDN by default */
+       mval[ne_num] = 0;
+
+       while (*sp)
+               {
+               /* collect type */
+               ne_types[ne_num] = bp;
+               while (*sp)
+                       {
+                       if (*sp == '\\') /* is there anything to escape in the type...? */
+                               {
+                               if (*++sp)
+                                       *bp++ = *sp++;
+                               else    
+                                       {
+                                       BIO_printf(bio_err, "escape character at end of string\n");
+                                       goto error;
+                                       }
+                               }       
+                       else if (*sp == '=')
+                               {
+                               sp++;
+                               *bp++ = '\0';
+                               break;
+                               }
+                       else
+                               *bp++ = *sp++;
+                       }
+               if (!*sp)
+                       {
+                       BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
+                       goto error;
+                       }
+               ne_values[ne_num] = bp;
+               while (*sp)
+                       {
+                       if (*sp == '\\')
+                               {
+                               if (*++sp)
+                                       *bp++ = *sp++;
+                               else
+                                       {
+                                       BIO_printf(bio_err, "escape character at end of string\n");
+                                       goto error;
+                                       }
+                               }
+                       else if (*sp == '/')
+                               {
+                               sp++;
+                               /* no multivalued RDN by default */
+                               mval[ne_num+1] = 0;
+                               break;
+                               }
+                       else if (*sp == '+' && multirdn)
+                               {
+                               /* a not escaped + signals a mutlivalued RDN */
+                               sp++;
+                               mval[ne_num+1] = -1;
+                               break;
+                               }
+                       else
+                               *bp++ = *sp++;
+                       }
+               *bp++ = '\0';
+               ne_num++;
+               }       
+
+       if (!(n = X509_NAME_new()))
+               goto error;
+
+       for (i = 0; i < ne_num; i++)
+               {
+               if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
+                       {
+                       BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
+                       continue;
+                       }
+
+               if (!*ne_values[i])
+                       {
+                       BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
+                       continue;
+                       }
+
+               if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
+                       goto error;
+               }
+
+       OPENSSL_free(ne_values);
+       OPENSSL_free(ne_types);
+       OPENSSL_free(buf);
+       return n;
+
+error:
+       X509_NAME_free(n);
+       if (ne_values)
+               OPENSSL_free(ne_values);
+       if (ne_types)
+               OPENSSL_free(ne_types);
+       if (buf)
+               OPENSSL_free(buf);
+       return NULL;
+}
+
+int args_verify(char ***pargs, int *pargc,
+                       int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
+       {
+       ASN1_OBJECT *otmp = NULL;
+       unsigned long flags = 0;
+       int i;
+       int purpose = 0, depth = -1;
+       char **oldargs = *pargs;
+       char *arg = **pargs, *argn = (*pargs)[1];
+       if (!strcmp(arg, "-policy"))
+               {
+               if (!argn)
+                       *badarg = 1;
+               else
+                       {
+                       otmp = OBJ_txt2obj(argn, 0);
+                       if (!otmp)
+                               {
+                               BIO_printf(err, "Invalid Policy \"%s\"\n",
+                                                                       argn);
+                               *badarg = 1;
+                               }
+                       }
+               (*pargs)++;
+               }
+       else if (strcmp(arg,"-purpose") == 0)
+               {
+               X509_PURPOSE *xptmp;
+               if (!argn)
+                       *badarg = 1;
+               else
+                       {
+                       i = X509_PURPOSE_get_by_sname(argn);
+                       if(i < 0)
+                               {
+                               BIO_printf(err, "unrecognized purpose\n");
+                               *badarg = 1;
+                               }
+                       else
+                               {
+                               xptmp = X509_PURPOSE_get0(i);
+                               purpose = X509_PURPOSE_get_id(xptmp);
+                               }
+                       }
+               (*pargs)++;
+               }
+       else if (strcmp(arg,"-verify_depth") == 0)
+               {
+               if (!argn)
+                       *badarg = 1;
+               else
+                       {
+                       depth = atoi(argn);
+                       if(depth < 0)
+                               {
+                               BIO_printf(err, "invalid depth\n");
+                               *badarg = 1;
+                               }
+                       }
+               (*pargs)++;
+               }
+       else if (!strcmp(arg, "-ignore_critical"))
+               flags |= X509_V_FLAG_IGNORE_CRITICAL;
+       else if (!strcmp(arg, "-issuer_checks"))
+               flags |= X509_V_FLAG_CB_ISSUER_CHECK;
+       else if (!strcmp(arg, "-crl_check"))
+               flags |=  X509_V_FLAG_CRL_CHECK;
+       else if (!strcmp(arg, "-crl_check_all"))
+               flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
+       else if (!strcmp(arg, "-policy_check"))
+               flags |= X509_V_FLAG_POLICY_CHECK;
+       else if (!strcmp(arg, "-explicit_policy"))
+               flags |= X509_V_FLAG_EXPLICIT_POLICY;
+       else if (!strcmp(arg, "-inhibit_any"))
+               flags |= X509_V_FLAG_INHIBIT_ANY;
+       else if (!strcmp(arg, "-inhibit_map"))
+               flags |= X509_V_FLAG_INHIBIT_MAP;
+       else if (!strcmp(arg, "-x509_strict"))
+               flags |= X509_V_FLAG_X509_STRICT;
+       else if (!strcmp(arg, "-extended_crl"))
+               flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
+       else if (!strcmp(arg, "-use_deltas"))
+               flags |= X509_V_FLAG_USE_DELTAS;
+       else if (!strcmp(arg, "-policy_print"))
+               flags |= X509_V_FLAG_NOTIFY_POLICY;
+       else if (!strcmp(arg, "-check_ss_sig"))
+               flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
+       else
+               return 0;
+
+       if (*badarg)
+               {
+               if (*pm)
+                       X509_VERIFY_PARAM_free(*pm);
+               *pm = NULL;
+               goto end;
+               }
+
+       if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
+               {
+               *badarg = 1;
+               goto end;
+               }
+
+       if (otmp)
+               X509_VERIFY_PARAM_add0_policy(*pm, otmp);
+       if (flags)
+               X509_VERIFY_PARAM_set_flags(*pm, flags);
+
+       if (purpose)
+               X509_VERIFY_PARAM_set_purpose(*pm, purpose);
+
+       if (depth >= 0)
+               X509_VERIFY_PARAM_set_depth(*pm, depth);
+
+       end:
+
+       (*pargs)++;
+
+       if (pargc)
+               *pargc -= *pargs - oldargs;
+
+       return 1;
+
+       }
+
+/* Read whole contents of a BIO into an allocated memory buffer and
+ * return it.
+ */
+
+int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
+       {
+       BIO *mem;
+       int len, ret;
+       unsigned char tbuf[1024];
+       mem = BIO_new(BIO_s_mem());
+       if (!mem)
+               return -1;
+       for(;;)
+               {
+               if ((maxlen != -1) && maxlen < 1024)
+                       len = maxlen;
+               else
+                       len = 1024;
+               len = BIO_read(in, tbuf, len);
+               if (len <= 0)
+                       break;
+               if (BIO_write(mem, tbuf, len) != len)
+                       {
+                       BIO_free(mem);
+                       return -1;
+                       }
+               maxlen -= len;
+
+               if (maxlen == 0)
+                       break;
+               }
+       ret = BIO_get_mem_data(mem, (char **)out);
+       BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
+       BIO_free(mem);
+       return ret;
+       }
+
+int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
+       {
+       int rv;
+       char *stmp, *vtmp = NULL;
+       stmp = BUF_strdup(value);
+       if (!stmp)
+               return -1;
+       vtmp = strchr(stmp, ':');
+       if (vtmp)
+               {
+               *vtmp = 0;
+               vtmp++;
+               }
+       rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
+       OPENSSL_free(stmp);
+       return rv;
+       }
+
+static void nodes_print(BIO *out, const char *name,
+       STACK_OF(X509_POLICY_NODE) *nodes)
+       {
+       X509_POLICY_NODE *node;
+       int i;
+       BIO_printf(out, "%s Policies:", name);
+       if (nodes)
+               {
+               BIO_puts(out, "\n");
+               for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
+                       {
+                       node = sk_X509_POLICY_NODE_value(nodes, i);
+                       X509_POLICY_NODE_print(out, node, 2);
+                       }
+               }
+       else
+               BIO_puts(out, " <empty>\n");
+       }
+
+void policies_print(BIO *out, X509_STORE_CTX *ctx)
+       {
+       X509_POLICY_TREE *tree;
+       int explicit_policy;
+       int free_out = 0;
+       if (out == NULL)
+               {
+               out = BIO_new_fp(stderr, BIO_NOCLOSE);
+               free_out = 1;
+               }
+       tree = X509_STORE_CTX_get0_policy_tree(ctx);
+       explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
+
+       BIO_printf(out, "Require explicit Policy: %s\n",
+                               explicit_policy ? "True" : "False");
+
+       nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
+       nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
+       if (free_out)
+               BIO_free(out);
+       }
+
+#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
+
+static JPAKE_CTX *jpake_init(const char *us, const char *them,
+                                                        const char *secret)
+       {
+       BIGNUM *p = NULL;
+       BIGNUM *g = NULL;
+       BIGNUM *q = NULL;
+       BIGNUM *bnsecret = BN_new();
+       JPAKE_CTX *ctx;
+
+       /* Use a safe prime for p (that we found earlier) */
+       BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
+       g = BN_new();
+       BN_set_word(g, 2);
+       q = BN_new();
+       BN_rshift1(q, p);
+
+       BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
+
+       ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
+       BN_free(bnsecret);
+       BN_free(q);
+       BN_free(g);
+       BN_free(p);
+
+       return ctx;
+       }
+
+static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
+       {
+       BN_print(conn, p->gx);
+       BIO_puts(conn, "\n");
+       BN_print(conn, p->zkpx.gr);
+       BIO_puts(conn, "\n");
+       BN_print(conn, p->zkpx.b);
+       BIO_puts(conn, "\n");
+       }
+
+static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
+       {
+       JPAKE_STEP1 s1;
+
+       JPAKE_STEP1_init(&s1);
+       JPAKE_STEP1_generate(&s1, ctx);
+       jpake_send_part(bconn, &s1.p1);
+       jpake_send_part(bconn, &s1.p2);
+       (void)BIO_flush(bconn);
+       JPAKE_STEP1_release(&s1);
+       }
+
+static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
+       {
+       JPAKE_STEP2 s2;
+
+       JPAKE_STEP2_init(&s2);
+       JPAKE_STEP2_generate(&s2, ctx);
+       jpake_send_part(bconn, &s2);
+       (void)BIO_flush(bconn);
+       JPAKE_STEP2_release(&s2);
+       }
+
+static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
+       {
+       JPAKE_STEP3A s3a;
+
+       JPAKE_STEP3A_init(&s3a);
+       JPAKE_STEP3A_generate(&s3a, ctx);
+       BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
+       (void)BIO_flush(bconn);
+       JPAKE_STEP3A_release(&s3a);
+       }
+
+static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
+       {
+       JPAKE_STEP3B s3b;
+
+       JPAKE_STEP3B_init(&s3b);
+       JPAKE_STEP3B_generate(&s3b, ctx);
+       BIO_write(bconn, s3b.hk, sizeof s3b.hk);
+       (void)BIO_flush(bconn);
+       JPAKE_STEP3B_release(&s3b);
+       }
+
+static void readbn(BIGNUM **bn, BIO *bconn)
+       {
+       char buf[10240];
+       int l;
+
+       l = BIO_gets(bconn, buf, sizeof buf);
+       assert(l > 0);
+       assert(buf[l-1] == '\n');
+       buf[l-1] = '\0';
+       BN_hex2bn(bn, buf);
+       }
+
+static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
+       {
+       readbn(&p->gx, bconn);
+       readbn(&p->zkpx.gr, bconn);
+       readbn(&p->zkpx.b, bconn);
+       }
+
+static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
+       {
+       JPAKE_STEP1 s1;
+
+       JPAKE_STEP1_init(&s1);
+       jpake_receive_part(&s1.p1, bconn);
+       jpake_receive_part(&s1.p2, bconn);
+       if(!JPAKE_STEP1_process(ctx, &s1))
+               {
+               ERR_print_errors(bio_err);
+               exit(1);
+               }
+       JPAKE_STEP1_release(&s1);
+       }
+
+static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
+       {
+       JPAKE_STEP2 s2;
+
+       JPAKE_STEP2_init(&s2);
+       jpake_receive_part(&s2, bconn);
+       if(!JPAKE_STEP2_process(ctx, &s2))
+               {
+               ERR_print_errors(bio_err);
+               exit(1);
+               }
+       JPAKE_STEP2_release(&s2);
+       }
+
+static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
+       {
+       JPAKE_STEP3A s3a;
+       int l;
+
+       JPAKE_STEP3A_init(&s3a);
+       l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
+       assert(l == sizeof s3a.hhk);
+       if(!JPAKE_STEP3A_process(ctx, &s3a))
+               {
+               ERR_print_errors(bio_err);
+               exit(1);
+               }
+       JPAKE_STEP3A_release(&s3a);
+       }
+
+static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
+       {
+       JPAKE_STEP3B s3b;
+       int l;
+
+       JPAKE_STEP3B_init(&s3b);
+       l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
+       assert(l == sizeof s3b.hk);
+       if(!JPAKE_STEP3B_process(ctx, &s3b))
+               {
+               ERR_print_errors(bio_err);
+               exit(1);
+               }
+       JPAKE_STEP3B_release(&s3b);
+       }
+
+void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
+       {
+       JPAKE_CTX *ctx;
+       BIO *bconn;
+
+       BIO_puts(out, "Authenticating with JPAKE\n");
+
+       ctx = jpake_init("client", "server", secret);
+
+       bconn = BIO_new(BIO_f_buffer());
+       BIO_push(bconn, conn);
+
+       jpake_send_step1(bconn, ctx);
+       jpake_receive_step1(ctx, bconn);
+       jpake_send_step2(bconn, ctx);
+       jpake_receive_step2(ctx, bconn);
+       jpake_send_step3a(bconn, ctx);
+       jpake_receive_step3b(ctx, bconn);
+
+       BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
+
+       psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
+
+       BIO_pop(bconn);
+       BIO_free(bconn);
+
+       JPAKE_CTX_free(ctx);
+       }
+
+void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
+       {
+       JPAKE_CTX *ctx;
+       BIO *bconn;
+
+       BIO_puts(out, "Authenticating with JPAKE\n");
+
+       ctx = jpake_init("server", "client", secret);
+
+       bconn = BIO_new(BIO_f_buffer());
+       BIO_push(bconn, conn);
+
+       jpake_receive_step1(ctx, bconn);
+       jpake_send_step1(bconn, ctx);
+       jpake_receive_step2(ctx, bconn);
+       jpake_send_step2(bconn, ctx);
+       jpake_receive_step3a(ctx, bconn);
+       jpake_send_step3b(bconn, ctx);
+
+       BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
+
+       psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
+
+       BIO_pop(bconn);
+       BIO_free(bconn);
+
+       JPAKE_CTX_free(ctx);
+       }
+
+#endif
+
+/*
+ * Platform-specific sections
+ */
+#if defined(_WIN32)
+# ifdef fileno
+#  undef fileno
+#  define fileno(a) (int)_fileno(a)
+# endif
+
+# include <windows.h>
+# include <tchar.h>
+
+static int WIN32_rename(const char *from, const char *to)
+       {
+       TCHAR  *tfrom=NULL,*tto;
+       DWORD   err;
+       int     ret=0;
+
+       if (sizeof(TCHAR) == 1)
+               {
+               tfrom = (TCHAR *)from;
+               tto   = (TCHAR *)to;
+               }
+       else    /* UNICODE path */
+               {
+               size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
+               tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
+               if (tfrom==NULL) goto err;
+               tto=tfrom+flen;
+#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
+               if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
+#endif
+                       for (i=0;i<flen;i++)    tfrom[i]=(TCHAR)from[i];
+#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
+               if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
+#endif
+                       for (i=0;i<tlen;i++)    tto[i]  =(TCHAR)to[i];
+               }
+
+       if (MoveFile(tfrom,tto))        goto ok;
+       err=GetLastError();
+       if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
+               {
+               if (DeleteFile(tto) && MoveFile(tfrom,tto))
+                       goto ok;
+               err=GetLastError();
+               }
+       if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
+               errno = ENOENT;
+       else if (err==ERROR_ACCESS_DENIED)
+               errno = EACCES;
+       else
+               errno = EINVAL; /* we could map more codes... */
+err:
+       ret=-1;
+ok:
+       if (tfrom!=NULL && tfrom!=(TCHAR *)from)        free(tfrom);
+       return ret;
+       }
+#endif
+
+/* app_tminterval section */
+#if defined(_WIN32)
+double app_tminterval(int stop,int usertime)
+       {
+       FILETIME                now;
+       double                  ret=0;
+       static ULARGE_INTEGER   tmstart;
+       static int              warning=1;
+#ifdef _WIN32_WINNT
+       static HANDLE           proc=NULL;
+
+       if (proc==NULL)
+               {
+               if (GetVersion() < 0x80000000)
+                       proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
+                                               GetCurrentProcessId());
+               if (proc==NULL) proc = (HANDLE)-1;
+               }
+
+       if (usertime && proc!=(HANDLE)-1)
+               {
+               FILETIME junk;
+               GetProcessTimes(proc,&junk,&junk,&junk,&now);
+               }
+       else
+#endif
+               {
+               SYSTEMTIME systime;
+
+               if (usertime && warning)
+                       {
+                       BIO_printf(bio_err,"To get meaningful results, run "
+                                          "this program on idle system.\n");
+                       warning=0;
+                       }
+               GetSystemTime(&systime);
+               SystemTimeToFileTime(&systime,&now);
+               }
+
+       if (stop==TM_START)
+               {
+               tmstart.u.LowPart  = now.dwLowDateTime;
+               tmstart.u.HighPart = now.dwHighDateTime;
+               }
+       else    {
+               ULARGE_INTEGER tmstop;
+
+               tmstop.u.LowPart   = now.dwLowDateTime;
+               tmstop.u.HighPart  = now.dwHighDateTime;
+
+               ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
+               }
+
+       return (ret);
+       }
+
+#elif defined(OPENSSL_SYS_NETWARE)
+#include <time.h>
+
+double app_tminterval(int stop,int usertime)
+       {
+       double          ret=0;
+       static clock_t  tmstart;
+       static int      warning=1;
+
+       if (usertime && warning)
+               {
+               BIO_printf(bio_err,"To get meaningful results, run "
+                                  "this program on idle system.\n");
+               warning=0;
+               }
+
+       if (stop==TM_START)     tmstart = clock();
+       else                    ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
+
+       return (ret);
+       }
+
+#elif defined(OPENSSL_SYSTEM_VXWORKS)
+#include <time.h>
+
+double app_tminterval(int stop,int usertime)
+       {
+       double ret=0;
+#ifdef CLOCK_REALTIME
+       static struct timespec  tmstart;
+       struct timespec         now;
+#else
+       static unsigned long    tmstart;
+       unsigned long           now;
+#endif
+       static int warning=1;
+
+       if (usertime && warning)
+               {
+               BIO_printf(bio_err,"To get meaningful results, run "
+                                  "this program on idle system.\n");
+               warning=0;
+               }
+
+#ifdef CLOCK_REALTIME
+       clock_gettime(CLOCK_REALTIME,&now);
+       if (stop==TM_START)     tmstart = now;
+       else    ret = ( (now.tv_sec+now.tv_nsec*1e-9)
+                       - (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
+#else
+       now = tickGet();
+       if (stop==TM_START)     tmstart = now;
+       else                    ret = (now - tmstart)/(double)sysClkRateGet();
+#endif
+       return (ret);
+       }
+
+#elif defined(OPENSSL_SYSTEM_VMS)
+#include <time.h>
+#include <times.h>
+
+double app_tminterval(int stop,int usertime)
+       {
+       static clock_t  tmstart;
+       double          ret = 0;
+       clock_t         now;
+#ifdef __TMS
+       struct tms      rus;
+
+       now = times(&rus);
+       if (usertime)   now = rus.tms_utime;
+#else
+       if (usertime)
+               now = clock(); /* sum of user and kernel times */
+       else    {
+               struct timeval tv;
+               gettimeofday(&tv,NULL);
+               now = (clock_t)(
+                       (unsigned long long)tv.tv_sec*CLK_TCK +
+                       (unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
+                       );
+               }
+#endif
+       if (stop==TM_START)     tmstart = now;
+       else                    ret = (now - tmstart)/(double)(CLK_TCK);
+
+       return (ret);
+       }
+
+#elif defined(_SC_CLK_TCK)     /* by means of unistd.h */
+#include <sys/times.h>
+
+double app_tminterval(int stop,int usertime)
+       {
+       double          ret = 0;
+       struct tms      rus;
+       clock_t         now = times(&rus);
+       static clock_t  tmstart;
+
+       if (usertime)           now = rus.tms_utime;
+
+       if (stop==TM_START)     tmstart = now;
+       else
+               {
+               long int tck = sysconf(_SC_CLK_TCK);
+               ret = (now - tmstart)/(double)tck;
+               }
+
+       return (ret);
+       }
+
+#else
+#include <sys/time.h>
+#include <sys/resource.h>
+
+double app_tminterval(int stop,int usertime)
+       {
+       double          ret = 0;
+       struct rusage   rus;
+       struct timeval  now;
+       static struct timeval tmstart;
+
+       if (usertime)           getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
+       else                    gettimeofday(&now,NULL);
+
+       if (stop==TM_START)     tmstart = now;
+       else                    ret = ( (now.tv_sec+now.tv_usec*1e-6)
+                                       - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
+
+       return ret;
+       }
+#endif
+
+/* app_isdir section */
+#ifdef _WIN32
+int app_isdir(const char *name)
+       {
+       HANDLE          hList;
+       WIN32_FIND_DATA FileData;
+#if defined(UNICODE) || defined(_UNICODE)
+       size_t i, len_0 = strlen(name)+1;
+
+       if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
+               return -1;
+
+#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
+       if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
+#endif
+               for (i=0;i<len_0;i++)
+                       FileData.cFileName[i] = (WCHAR)name[i];
+
+       hList = FindFirstFile(FileData.cFileName,&FileData);
+#else
+       hList = FindFirstFile(name,&FileData);
+#endif
+       if (hList == INVALID_HANDLE_VALUE)      return -1;
+       FindClose(hList);
+       return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
+       }
+#else
+#include <sys/stat.h>
+#ifndef S_ISDIR
+# if defined(_S_IFMT) && defined(_S_IFDIR)
+#  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
+# else 
+#  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
+# endif 
+#endif 
+
+int app_isdir(const char *name)
+       {
+#if defined(S_ISDIR)
+       struct stat st;
+
+       if (stat(name,&st)==0)  return S_ISDIR(st.st_mode);
+       else                    return -1;
+#else
+       return -1;
+#endif
+       }
+#endif
+
+/* raw_read|write section */
+#if defined(_WIN32) && defined(STD_INPUT_HANDLE)
+int raw_read_stdin(void *buf,int siz)
+       {
+       DWORD n;
+       if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
+               return (n);
+       else    return (-1);
+       }
+#else
+int raw_read_stdin(void *buf,int siz)
+       {       return read(fileno(stdin),buf,siz);     }
+#endif
+
+#if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
+int raw_write_stdout(const void *buf,int siz)
+       {
+       DWORD n;
+       if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
+               return (n);
+       else    return (-1);
+       }
+#else
+int raw_write_stdout(const void *buf,int siz)
+       {       return write(fileno(stdout),buf,siz);   }
+#endif