Logo Search packages:      
Sourcecode: openssl version File versions

apps.c

/* apps/apps.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * 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 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 acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS 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 AUTHOR OR 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.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * 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).
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <ctype.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

#define NON_MAIN
#include "apps.h"
#undef NON_MAIN

typedef struct {
      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);
#ifdef undef /* never finished - probably never will be :-) */
int args_from_file(char *file, int *argc, char **argv[])
      {
      FILE *fp;
      int num,i;
      unsigned int len;
      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);

      *argc=0;
      *argv=NULL;

      len=(unsigned int)stbuf.st_size;
      if (buf != NULL) OPENSSL_free(buf);
      buf=(char *)OPENSSL_malloc(len+1);
      if (buf == NULL) return(0);

      len=fread(buf,1,len,fp);
      if (len <= 1) return(0);
      buf[len]='\0';

      i=0;
      for (p=buf; *p; p++)
            if (*p == '\n') i++;
      if (arg != NULL) OPENSSL_free(arg);
      arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));

      *argv=arg;
      num=0;
      p=buf;
      for (;;)
            {
            if (!*p) break;
            if (*p == '#') /* comment line */
                  {
                  while (*p && (*p != '\n')) p++;
                  continue;
                  }
            /* else we have a line */
            *(arg++)=p;
            num++;
            while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
                  p++;
            if (!*p) break;
            if (*p == '\n')
                  {
                  *(p++)='\0';
                  continue;
                  }
            /* else it is a tab or space */
            p++;
            while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
                  p++;
            if (!*p) break;
            if (*p == '\n')
                  {
                  p++;
                  continue;
                  }
            *(arg++)=p++;
            num++;
            while (*p && (*p != '\n')) p++;
            if (!*p) break;
            /* else *p == '\n' */
            *(p++)='\0';
            }
      *argc=num;
      return(1);
      }
#endif

int str2fmt(char *s)
      {
      if    ((*s == 'D') || (*s == 'd'))
            return(FORMAT_ASN1);
      else if ((*s == 'T') || (*s == 't'))
            return(FORMAT_TEXT);
      else if ((*s == 'P') || (*s == 'p'))
            return(FORMAT_PEM);
      else if ((*s == 'N') || (*s == 'n'))
            return(FORMAT_NETSCAPE);
      else if ((*s == 'S') || (*s == 's'))
            return(FORMAT_SMIME);
      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
            return(FORMAT_UNDEF);
      }

#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
void program_name(char *in, char *out, int size)
      {
      int i,n;
      char *p=NULL;

      n=strlen(in);
      /* find the last '/', '\' or ':' */
      for (i=n-1; i>0; i--)
            {
            if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
                  {
                  p= &(in[i+1]);
                  break;
                  }
            }
      if (p == NULL)
            p=in;
      n=strlen(p);
      /* 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;
      if (n > size-1)
            n=size-1;

      for (i=0; i<n; i++)
            {
            if ((p[i] >= 'A') && (p[i] <= 'Z'))
                  out[i]=p[i]-'A'+'a';
            else
                  out[i]=p[i];
            }
      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;

      p=strrchr(in,'/');
      if (p != NULL)
            p++;
      else
            p=in;
      BUF_strlcpy(out,p,size);
      }
#endif
#endif

#ifdef OPENSSL_SYS_VMS
int VMS_strcasecmp(const char *str1, const char *str2)
      {
      while (*str1 && *str2)
            {
            int res = toupper(*str1) - toupper(*str2);
            if (res) return res < 0 ? -1 : 1;
            }
      if (*str1)
            return 1;
      if (*str2)
            return -1;
      return 0;
      }
#endif

int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
      {
      int num,len,i;
      char *p;

      *argc=0;
      *argv=NULL;

      len=strlen(buf);
      i=0;
      if (arg->count == 0)
            {
            arg->count=20;
            arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
            }
      for (i=0; i<arg->count; i++)
            arg->data[i]=NULL;

      num=0;
      p=buf;
      for (;;)
            {
            /* first scan over white space */
            if (!*p) break;
            while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
                  p++;
            if (!*p) break;

            /* The start of something good :-) */
            if (num >= arg->count)
                  {
                  arg->count+=20;
                  arg->data=(char **)OPENSSL_realloc(arg->data,
                        sizeof(char *)*arg->count);
                  if (argc == 0) return(0);
                  }
            arg->data[num++]=p;

            /* now look for the end of this */
            if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
                  {
                  i= *(p++);
                  arg->data[num-1]++; /* jump over quote */
                  while (*p && (*p != i))
                        p++;
                  *p='\0';
                  }
            else
                  {
                  while (*p && ((*p != ' ') &&
                        (*p != '\t') && (*p != '\n')))
                        p++;

                  if (*p == '\0')
                        p--;
                  else
                        *p='\0';
                  }
            p++;
            }
      *argc=num;
      *argv=arg->data;
      return(1);
      }

#ifndef APP_INIT
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",
                  cb_data->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;
                  }
            } 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);
            } 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;
}

X509 *load_cert(BIO *err, const char *file, int format,
      const char *pass, ENGINE *e, const char *cert_descrip)
      {
      ASN1_HEADER *ah=NULL;
      BUF_MEM *buf=NULL;
      X509 *x=NULL;
      BIO *cert;

      if ((cert=BIO_new(BIO_s_file())) == NULL)
            {
            ERR_print_errors(err);
            goto end;
            }

      if (file == NULL)
            {
            setvbuf(stdin, NULL, _IONBF, 0);
            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)
            {
            unsigned char *p,*op;
            int size=0,i;

            /* We sort of have to do it this way because it is sort of nice
             * to read the header first and check it, then
             * try to read the certificate */
            buf=BUF_MEM_new();
            for (;;)
                  {
                  if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
                        goto end;
                  i=BIO_read(cert,&(buf->data[size]),1024*10);
                  size+=i;
                  if (i == 0) break;
                  if (i < 0)
                        {
                        perror("reading certificate");
                        goto end;
                        }
                  }
            p=(unsigned char *)buf->data;
            op=p;

            /* First load the header */
            if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
                  goto end;
            if ((ah->header == NULL) || (ah->header->data == NULL) ||
                  (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
                  ah->header->length) != 0))
                  {
                  BIO_printf(err,"Error reading header on certificate\n");
                  goto end;
                  }
            /* header is ok, so now read the object */
            p=op;
            ah->meth=X509_asn1_meth();
            if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
                  goto end;
            x=(X509 *)ah->data;
            ah->data=NULL;
            }
      else if (format == FORMAT_PEM)
            x=PEM_read_bio_X509_AUX(cert,NULL,
                  (pem_password_cb *)password_callback, NULL);
      else if (format == FORMAT_PKCS12)
            {
            PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);

            PKCS12_parse(p12, NULL, NULL, &x, NULL);
            PKCS12_free(p12);
            p12 = NULL;
            }
      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 (ah != NULL) ASN1_HEADER_free(ah);
      if (cert != NULL) BIO_free(cert);
      if (buf != NULL) BUF_MEM_free(buf);
      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)
            {
            setvbuf(stdin, NULL, _IONBF, 0);
            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)
            {
            PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);

            PKCS12_parse(p12, pass, &pkey, NULL, NULL);
            PKCS12_free(p12);
            p12 = NULL;
            }
      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)
            {
            setvbuf(stdin, NULL, _IONBF, 0);
            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);
            }
      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
      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, 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)
      {
      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 char **a)
      {
      const char *n;

      n=a[DB_serial];
      while (*n == '0') n++;
      return(lh_strhash(n));
      }

static int index_serial_cmp(const char **a, const char **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 char **a)
      { return(lh_strhash(a[DB_name])); }

int index_name_cmp(const char **a, const char **b)
      { return(strcmp(a[DB_name],
           b[DB_name])); }

static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)

#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;
      struct stat sb;

      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
      if (stat(serialfile,&sb) < 0)
            {
            if (errno != ENOENT 
#ifdef ENOTDIR
                  && errno != ENOTDIR)
#endif
                  goto err;
            }
      else
            {
#ifdef RL_DEBUG
            BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
                  serialfile, buf[1]);
#endif
            if (rename(serialfile,buf[1]) < 0)
                  {
                  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)
            {
            if (tmpdb != NULL) TXT_DB_free(tmpdb);
            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)
                  {
                  BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
                  switch(*p)
                        {
                  case 'f': /* false */
                  case 'F': /* FALSE */
                  case 'n': /* no */
                  case 'N': /* NO */
                        retdb->attributes.unique_subject = 0;
                        break;
                  case 't': /* true */
                  case 'T': /* TRUE */
                  case 'y': /* yes */
                  case 'Y': /* YES */
                  default:
                        retdb->attributes.unique_subject = 1;
                        break;
                        }
                  }
            }

 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_hash),
                        LHASH_COMP_FN(index_serial_cmp)))
            {
            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_hash),
                  LHASH_COMP_FN(index_name_cmp)))
            {
            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(char *dbfile, 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(char *dbfile, char *new_suffix, char *old_suffix)
      {
      char buf[5][BSIZE];
      int i,j;
      struct stat sb;

      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
      if (stat(dbfile,&sb) < 0)
            {
            if (errno != ENOENT 
#ifdef ENOTDIR
                  && errno != ENOTDIR)
#endif
                  goto err;
            }
      else
            {
#ifdef RL_DEBUG
            BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
                  dbfile, buf[1]);
#endif
            if (rename(dbfile,buf[1]) < 0)
                  {
                  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;
            }
      if (stat(buf[4],&sb) < 0)
            {
            if (errno != ENOENT 
#ifdef ENOTDIR
                  && errno != ENOTDIR)
#endif
                  goto err;
            }
      else
            {
#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)
                  {
                  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);
            }
      }

/* This code MUST COME AFTER anything that uses rename() */
#ifdef OPENSSL_SYS_WIN32
int WIN32_rename(char *from, char *to)
      {
#ifndef OPENSSL_SYS_WINCE
      /* Windows rename gives an error if 'to' exists, so delete it
       * first and ignore file not found errror
       */
      if((remove(to) != 0) && (errno != ENOENT))
            return -1;
#undef rename
      return rename(from, to);
#else
      /* convert strings to UNICODE */
      {
      BOOL result = FALSE;
      WCHAR* wfrom;
      WCHAR* wto;
      int i;
      wfrom = malloc((strlen(from)+1)*2);
      wto = malloc((strlen(to)+1)*2);
      if (wfrom != NULL && wto != NULL)
            {
            for (i=0; i<(int)strlen(from)+1; i++)
                  wfrom[i] = (short)from[i];
            for (i=0; i<(int)strlen(to)+1; i++)
                  wto[i] = (short)to[i];
            result = MoveFile(wfrom, wto);
            }
      if (wfrom != NULL)
            free(wfrom);
      if (wto != NULL)
            free(wto);
      return result;
      }
#endif
      }
#endif

Generated by  Doxygen 1.6.0   Back to index