apps.c 52.2 KB
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/* apps/apps.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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 * 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.]
 */
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/* ====================================================================
 * 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).
 *
 */
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
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#include <ctype.h>
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#include <openssl/err.h>
#include <openssl/x509.h>
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#include <openssl/x509v3.h>
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#include <openssl/pem.h>
#include <openssl/pkcs12.h>
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#include <openssl/ui.h>
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#include <openssl/safestack.h>
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#ifndef OPENSSL_NO_ENGINE
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#include <openssl/engine.h>
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#endif
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#include <openssl/rsa.h>
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#include <openssl/bn.h>
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#define NON_MAIN
#include "apps.h"
#undef NON_MAIN

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typedef struct {
	char *name;
	unsigned long flag;
	unsigned long mask;
} NAME_EX_TBL;

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static UI_METHOD *ui_method = NULL;

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static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
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static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
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#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
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/* 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

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int app_init(long mesgwin);
#ifdef undef /* never finished - probably never will be :-) */
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int args_from_file(char *file, int *argc, char **argv[])
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	{
	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;
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	if (buf != NULL) OPENSSL_free(buf);
	buf=(char *)OPENSSL_malloc(len+1);
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	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++;
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	if (arg != NULL) OPENSSL_free(arg);
	arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
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	*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

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int str2fmt(char *s)
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	{
	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);
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	else if ((*s == 'S') || (*s == 's'))
		return(FORMAT_SMIME);
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	else if ((*s == '1')
		|| (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
		|| (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
		return(FORMAT_PKCS12);
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	else if ((*s == 'E') || (*s == 'e'))
		return(FORMAT_ENGINE);
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	else
		return(FORMAT_UNDEF);
	}

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#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
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void program_name(char *in, char *out, int size)
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	{
	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);
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#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
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	/* 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;
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#endif

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	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
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#ifdef OPENSSL_SYS_VMS
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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)
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		q = p + strlen(p);
	strncpy(out,p,size-1);
	if (q-p >= size)
		{
		out[size-1]='\0';
		}
	else
		{
		out[q-p]='\0';
		}
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	}
#else
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void program_name(char *in, char *out, int size)
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	{
	char *p;

	p=strrchr(in,'/');
	if (p != NULL)
		p++;
	else
		p=in;
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	BUF_strlcpy(out,p,size);
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	}
#endif
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#endif
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int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
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	{
	int num,len,i;
	char *p;

	*argc=0;
	*argv=NULL;

	len=strlen(buf);
	i=0;
	if (arg->count == 0)
		{
		arg->count=20;
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		arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
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		}
	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;
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			arg->data=(char **)OPENSSL_realloc(arg->data,
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				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
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int app_init(long mesgwin)
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	{
	return(1);
	}
#endif
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int dump_cert_text (BIO *out, X509 *x)
{
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	char *p;

	p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
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	BIO_puts(out,"subject=");
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	BIO_puts(out,p);
	OPENSSL_free(p);
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	p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
	BIO_puts(out,"\nissuer=");
	BIO_puts(out,p);
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	BIO_puts(out,"\n");
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	OPENSSL_free(p);

	return 0;
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}
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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;
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			if (password && password[0] != '\0')
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				{
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				UI_set_result(ui, uis, password);
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				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;
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			if (password && password[0] != '\0')
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				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);
	}
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int setup_ui_method(void)
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	{
	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;
	}
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void destroy_ui_method(void)
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	{
	if(ui_method)
		{
		UI_destroy_method(ui_method);
		ui_method = NULL;
		}
	}
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int password_callback(char *buf, int bufsiz, int verify,
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	PW_CB_DATA *cb_tmp)
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	{
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	UI *ui = NULL;
	int res = 0;
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	const char *prompt_info = NULL;
	const char *password = NULL;
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	PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
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	if (cb_data)
		{
		if (cb_data->password)
			password = cb_data->password;
		if (cb_data->prompt_info)
			prompt_info = cb_data->prompt_info;
		}

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	if (password)
		{
		res = strlen(password);
		if (res > bufsiz)
			res = bufsiz;
		memcpy(buf, password, res);
		return res;
		}

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	ui = UI_new_method(ui_method);
	if (ui)
		{
		int ok = 0;
		char *buff = NULL;
		int ui_flags = 0;
		char *prompt = NULL;
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		prompt = UI_construct_prompt(ui, "pass phrase",
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			prompt_info);
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		ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
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		UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
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		if (ok >= 0)
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			ok = UI_add_input_string(ui,prompt,ui_flags,buf,
				PW_MIN_LENGTH,BUFSIZ-1);
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		if (ok >= 0 && verify)
			{
			buff = (char *)OPENSSL_malloc(bufsiz);
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			ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
				PW_MIN_LENGTH,BUFSIZ-1, buf);
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			}
		if (ok >= 0)
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			do
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				{
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				ok = UI_process(ui);
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				}
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			while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));

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		if (buff)
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			{
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			OPENSSL_cleanse(buff,(unsigned int)bufsiz);
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			OPENSSL_free(buff);
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			}
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		if (ok >= 0)
			res = strlen(buf);
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		if (ok == -1)
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			{
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			BIO_printf(bio_err, "User interface error\n");
			ERR_print_errors(bio_err);
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			OPENSSL_cleanse(buf,(unsigned int)bufsiz);
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			res = 0;
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			}
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		if (ok == -2)
			{
			BIO_printf(bio_err,"aborted!\n");
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			OPENSSL_cleanse(buf,(unsigned int)bufsiz);
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			res = 0;
			}
		UI_free(ui);
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		OPENSSL_free(prompt);
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		}
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	return res;
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	}

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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);
}
664

D
 
Dr. Stephen Henson 已提交
665
int add_oid_section(BIO *err, CONF *conf)
666 667 668 669 670
{	
	char *p;
	STACK_OF(CONF_VALUE) *sktmp;
	CONF_VALUE *cnf;
	int i;
D
 
Dr. Stephen Henson 已提交
671
	if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
672 673 674 675
		{
		ERR_clear_error();
		return 1;
		}
D
 
Dr. Stephen Henson 已提交
676
	if(!(sktmp = NCONF_get_section(conf, p))) {
677 678 679 680 681 682 683 684 685 686 687 688 689 690
		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;
}

691 692 693 694 695 696 697 698 699 700 701 702
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);	
703
		goto die;
704 705 706 707 708 709 710 711 712 713 714 715 716
		}
	/* 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);
717
			goto die;
718 719 720 721 722 723 724
			}
		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);	
725
			goto die;
726 727 728 729
			}
		pass = tpass;
		}
	ret = PKCS12_parse(p12, pass, pkey, cert, ca);
730
	die:
731 732 733 734 735
	if (p12)
		PKCS12_free(p12);
	return ret;
	}

736 737
X509 *load_cert(BIO *err, const char *file, int format,
	const char *pass, ENGINE *e, const char *cert_descrip)
738 739 740 741 742 743 744 745
	{
	ASN1_HEADER *ah=NULL;
	BUF_MEM *buf=NULL;
	X509 *x=NULL;
	BIO *cert;

	if ((cert=BIO_new(BIO_s_file())) == NULL)
		{
746
		ERR_print_errors(err);
747 748 749 750
		goto end;
		}

	if (file == NULL)
751 752
		{
		setvbuf(stdin, NULL, _IONBF, 0);
753
		BIO_set_fp(cert,stdin,BIO_NOCLOSE);
754
		}
755 756 757 758
	else
		{
		if (BIO_read_filename(cert,file) <= 0)
			{
759 760 761
			BIO_printf(err, "Error opening %s %s\n",
				cert_descrip, file);
			ERR_print_errors(err);
762 763 764 765 766 767 768 769
			goto end;
			}
		}

	if 	(format == FORMAT_ASN1)
		x=d2i_X509_bio(cert,NULL);
	else if (format == FORMAT_NETSCAPE)
		{
770
		const unsigned char *p,*op;
771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799
		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))
			{
800
			BIO_printf(err,"Error reading header on certificate\n");
801 802 803 804 805 806 807 808 809 810 811
			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)
812 813
		x=PEM_read_bio_X509_AUX(cert,NULL,
			(pem_password_cb *)password_callback, NULL);
814 815
	else if (format == FORMAT_PKCS12)
		{
816 817 818
		if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
					NULL, &x, NULL))
			goto end;
819 820
		}
	else	{
821 822
		BIO_printf(err,"bad input format specified for %s\n",
			cert_descrip);
823 824 825 826 827
		goto end;
		}
end:
	if (x == NULL)
		{
828 829
		BIO_printf(err,"unable to load certificate\n");
		ERR_print_errors(err);
830 831 832 833 834 835 836
		}
	if (ah != NULL) ASN1_HEADER_free(ah);
	if (cert != NULL) BIO_free(cert);
	if (buf != NULL) BUF_MEM_free(buf);
	return(x);
	}

837
EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
838
	const char *pass, ENGINE *e, const char *key_descrip)
839 840 841
	{
	BIO *key=NULL;
	EVP_PKEY *pkey=NULL;
842 843 844 845
	PW_CB_DATA cb_data;

	cb_data.password = pass;
	cb_data.prompt_info = file;
846

847
	if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
848
		{
849
		BIO_printf(err,"no keyfile specified\n");
850 851
		goto end;
		}
852
#ifndef OPENSSL_NO_ENGINE
853 854 855 856 857
	if (format == FORMAT_ENGINE)
		{
		if (!e)
			BIO_printf(bio_err,"no engine specified\n");
		else
858
			pkey = ENGINE_load_private_key(e, file,
859
				ui_method, &cb_data);
860 861
		goto end;
		}
862
#endif
863 864 865
	key=BIO_new(BIO_s_file());
	if (key == NULL)
		{
866
		ERR_print_errors(err);
867 868
		goto end;
		}
869
	if (file == NULL && maybe_stdin)
870
		{
871 872
		setvbuf(stdin, NULL, _IONBF, 0);
		BIO_set_fp(key,stdin,BIO_NOCLOSE);
873
		}
874 875 876 877 878 879 880 881
	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;
			}
882 883 884 885 886 887
	if (format == FORMAT_ASN1)
		{
		pkey=d2i_PrivateKey_bio(key, NULL);
		}
	else if (format == FORMAT_PEM)
		{
888 889
		pkey=PEM_read_bio_PrivateKey(key,NULL,
			(pem_password_cb *)password_callback, &cb_data);
890
		}
891
#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
892 893 894
	else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
		pkey = load_netscape_key(err, key, file, key_descrip, format);
#endif
895 896
	else if (format == FORMAT_PKCS12)
		{
897 898 899 900
		if (!load_pkcs12(err, key, key_descrip,
				(pem_password_cb *)password_callback, &cb_data,
				&pkey, NULL, NULL))
			goto end;
901 902 903
		}
	else
		{
904
		BIO_printf(err,"bad input format specified for key file\n");
905 906 907 908 909
		goto end;
		}
 end:
	if (key != NULL) BIO_free(key);
	if (pkey == NULL)
910
		BIO_printf(err,"unable to load %s\n", key_descrip);
911 912 913
	return(pkey);
	}

914
EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
915
	const char *pass, ENGINE *e, const char *key_descrip)
916 917 918
	{
	BIO *key=NULL;
	EVP_PKEY *pkey=NULL;
919 920 921 922
	PW_CB_DATA cb_data;

	cb_data.password = pass;
	cb_data.prompt_info = file;
923

924
	if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
925 926 927 928
		{
		BIO_printf(err,"no keyfile specified\n");
		goto end;
		}
929
#ifndef OPENSSL_NO_ENGINE
930 931 932 933 934
	if (format == FORMAT_ENGINE)
		{
		if (!e)
			BIO_printf(bio_err,"no engine specified\n");
		else
935
			pkey = ENGINE_load_public_key(e, file,
936
				ui_method, &cb_data);
937 938
		goto end;
		}
939
#endif
940 941 942 943 944 945
	key=BIO_new(BIO_s_file());
	if (key == NULL)
		{
		ERR_print_errors(err);
		goto end;
		}
946
	if (file == NULL && maybe_stdin)
947
		{
948 949 950 951 952 953 954 955 956 957
		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;
958 959 960 961 962 963 964
		}
	if (format == FORMAT_ASN1)
		{
		pkey=d2i_PUBKEY_bio(key, NULL);
		}
	else if (format == FORMAT_PEM)
		{
965 966
		pkey=PEM_read_bio_PUBKEY(key,NULL,
			(pem_password_cb *)password_callback, &cb_data);
967
		}
968
#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
969 970 971
	else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
		pkey = load_netscape_key(err, key, file, key_descrip, format);
#endif
972 973
	else
		{
974
		BIO_printf(err,"bad input format specified for key file\n");
975 976 977 978 979
		goto end;
		}
 end:
	if (key != NULL) BIO_free(key);
	if (pkey == NULL)
980
		BIO_printf(err,"unable to load %s\n", key_descrip);
981 982 983
	return(pkey);
	}

984
#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
L
Lutz Jänicke 已提交
985
static EVP_PKEY *
986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001
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 (;;)
		{
1002
		if (!BUF_MEM_grow_clean(buf,size+1024*10))
1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029
			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 */

1030 1031
STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
	const char *pass, ENGINE *e, const char *cert_descrip)
1032 1033 1034 1035 1036 1037
	{
	BIO *certs;
	int i;
	STACK_OF(X509) *othercerts = NULL;
	STACK_OF(X509_INFO) *allcerts = NULL;
	X509_INFO *xi;
1038 1039 1040 1041
	PW_CB_DATA cb_data;

	cb_data.password = pass;
	cb_data.prompt_info = file;
1042 1043 1044

	if((certs = BIO_new(BIO_s_file())) == NULL)
		{
1045
		ERR_print_errors(err);
1046 1047 1048 1049 1050 1051 1052 1053 1054
		goto end;
		}

	if (file == NULL)
		BIO_set_fp(certs,stdin,BIO_NOCLOSE);
	else
		{
		if (BIO_read_filename(certs,file) <= 0)
			{
1055 1056 1057
			BIO_printf(err, "Error opening %s %s\n",
				cert_descrip, file);
			ERR_print_errors(err);
1058 1059 1060 1061 1062 1063
			goto end;
			}
		}

	if      (format == FORMAT_PEM)
		{
1064
		othercerts = sk_X509_new_null();
1065 1066 1067 1068 1069 1070
		if(!othercerts)
			{
			sk_X509_free(othercerts);
			othercerts = NULL;
			goto end;
			}
1071 1072
		allcerts = PEM_X509_INFO_read_bio(certs, NULL,
				(pem_password_cb *)password_callback, &cb_data);
1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084
		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	{
1085 1086
		BIO_printf(err,"bad input format specified for %s\n",
			cert_descrip);
1087 1088 1089 1090 1091
		goto end;
		}
end:
	if (othercerts == NULL)
		{
1092 1093
		BIO_printf(err,"unable to load certificates\n");
		ERR_print_errors(err);
1094 1095 1096 1097 1098 1099
		}
	if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
	if (certs != NULL) BIO_free(certs);
	return(othercerts);
	}

1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110

#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)

D
 
Dr. Stephen Henson 已提交
1111 1112 1113
#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
			 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)

1114 1115 1116 1117
int set_cert_ex(unsigned long *flags, const char *arg)
{
	static const NAME_EX_TBL cert_tbl[] = {
		{ "compatible", X509_FLAG_COMPAT, 0xffffffffl},
D
 
Dr. Stephen Henson 已提交
1118
		{ "ca_default", X509_FLAG_CA, 0xffffffffl},
1119 1120 1121 1122 1123 1124
		{ "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},
D
 
Dr. Stephen Henson 已提交
1125
		{ "no_issuer", X509_FLAG_NO_ISSUER, 0},
1126 1127 1128 1129
		{ "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},
D
 
Dr. Stephen Henson 已提交
1130
		{ "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1131 1132 1133 1134 1135 1136
		{ "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}
	};
D
 
Dr. Stephen Henson 已提交
1137
	return set_multi_opts(flags, arg, cert_tbl);
1138
}
D
 
Dr. Stephen Henson 已提交
1139 1140 1141

int set_name_ex(unsigned long *flags, const char *arg)
{
1142
	static const NAME_EX_TBL ex_tbl[] = {
D
 
Dr. Stephen Henson 已提交
1143 1144 1145 1146 1147
		{ "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},
D
 
Dr. Stephen Henson 已提交
1148 1149
		{ "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
		{ "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
D
 
Dr. Stephen Henson 已提交
1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161
		{ "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},
1162
		{ "align", XN_FLAG_FN_ALIGN, 0},
D
 
Dr. Stephen Henson 已提交
1163 1164 1165 1166 1167 1168
		{ "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},
D
 
Dr. Stephen Henson 已提交
1169
		{ "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
D
 
Dr. Stephen Henson 已提交
1170 1171
		{ NULL, 0, 0}
	};
D
 
Dr. Stephen Henson 已提交
1172 1173 1174
	return set_multi_opts(flags, arg, ex_tbl);
}

1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230
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;
}
		
		
			

D
 
Dr. Stephen Henson 已提交
1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244
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;
1245
}
D
 
Dr. Stephen Henson 已提交
1246

1247 1248 1249 1250
static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
{
	char c;
	const NAME_EX_TBL *ptbl;
D
 
Dr. Stephen Henson 已提交
1251 1252 1253 1254 1255 1256 1257 1258 1259 1260
	c = arg[0];

	if(c == '-') {
		c = 0;
		arg++;
	} else if (c == '+') {
		c = 1;
		arg++;
	} else c = 1;

1261
	for(ptbl = in_tbl; ptbl->name; ptbl++) {
1262
		if(!strcasecmp(arg, ptbl->name)) {
D
 
Dr. Stephen Henson 已提交
1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273
			*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)
{
1274
	char *buf;
D
 
Dr. Stephen Henson 已提交
1275 1276
	char mline = 0;
	int indent = 0;
1277

D
 
Dr. Stephen Henson 已提交
1278 1279 1280 1281 1282 1283
	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) {
1284 1285
		buf = X509_NAME_oneline(nm, 0, 0);
		BIO_puts(out, buf);
D
 
Dr. Stephen Henson 已提交
1286
		BIO_puts(out, "\n");
1287
		OPENSSL_free(buf);
D
 
Dr. Stephen Henson 已提交
1288 1289 1290 1291 1292 1293 1294
	} else {
		if(mline) BIO_puts(out, "\n");
		X509_NAME_print_ex(out, nm, indent, lflags);
		BIO_puts(out, "\n");
	}
}

D
 
Dr. Stephen Henson 已提交
1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323
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;
}
1324

1325
#ifndef OPENSSL_NO_ENGINE
1326
/* Try to load an engine in a shareable library */
L
Lutz Jänicke 已提交
1327
static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341
	{
	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;
	}

1342 1343 1344 1345 1346 1347
ENGINE *setup_engine(BIO *err, const char *engine, int debug)
        {
        ENGINE *e = NULL;

        if (engine)
                {
1348 1349 1350 1351 1352 1353
		if(strcmp(engine, "auto") == 0)
			{
			BIO_printf(err,"enabling auto ENGINE support\n");
			ENGINE_register_all_complete();
			return NULL;
			}
1354 1355
		if((e = ENGINE_by_id(engine)) == NULL
			&& (e = try_load_engine(err, engine, debug)) == NULL)
1356 1357
			{
			BIO_printf(err,"invalid engine \"%s\"\n", engine);
1358
			ERR_print_errors(err);
1359 1360 1361 1362 1363 1364 1365
			return NULL;
			}
		if (debug)
			{
			ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
				0, err, 0);
			}
1366
                ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1367 1368 1369
		if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
			{
			BIO_printf(err,"can't use that engine\n");
1370
			ERR_print_errors(err);
1371
			ENGINE_free(e);
1372 1373
			return NULL;
			}
1374

1375
		BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1376

1377 1378 1379 1380 1381
		/* Free our "structural" reference. */
		ENGINE_free(e);
		}
        return e;
        }
1382
#endif
D
Dr. Stephen Henson 已提交
1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400

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;
	}
1401 1402 1403 1404

char *make_config_name()
	{
	const char *t=X509_get_default_cert_area();
1405
	size_t len;
1406 1407
	char *p;

1408 1409 1410
	len=strlen(t)+strlen(OPENSSL_CONF)+2;
	p=OPENSSL_malloc(len);
	BUF_strlcpy(p,t,len);
1411
#ifndef OPENSSL_SYS_VMS
1412
	BUF_strlcat(p,"/",len);
1413
#endif
1414
	BUF_strlcat(p,OPENSSL_CONF,len);
1415 1416 1417

	return p;
	}
1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480

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();
1481
			if (ret == NULL || !rand_serial(ret, ai))
1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511
				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);
	}

1512
int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1513
	{
1514 1515
	char buf[1][BSIZE];
	BIO *out = NULL;
1516 1517
	int ret=0;
	ASN1_INTEGER *ai=NULL;
1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528
	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;
		}
1529

1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542
	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
1543 1544 1545 1546 1547 1548
	out=BIO_new(BIO_s_file());
	if (out == NULL)
		{
		ERR_print_errors(bio_err);
		goto err;
		}
1549
	if (BIO_write_filename(out,buf[0]) <= 0)
1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573
		{
		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);
	}

1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643
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;
	}

1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670
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;
	}

1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738
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)
			{
1739
#ifdef RL_DEBUG
1740
			BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1741
#endif
1742
			retdb->attributes.unique_subject = parse_yesno(p,1);
1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810
			}
		}

 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
1811
#ifdef RL_DEBUG
1812
	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1813
#endif
1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825
	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());
1826
#ifdef RL_DEBUG
1827
	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1828
#endif
1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901
	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
		{
1902
#ifdef RL_DEBUG
1903 1904
		BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
			dbfile, buf[1]);
1905
#endif
1906 1907 1908 1909 1910 1911 1912 1913 1914
		if (rename(dbfile,buf[1]) < 0)
			{
			BIO_printf(bio_err,
				"unable to rename %s to %s\n",
				dbfile, buf[1]);
			perror("reason");
			goto err;
			}
		}
1915
#ifdef RL_DEBUG
1916 1917
	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
		buf[0],dbfile);
1918
#endif
1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937
	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
		{
1938
#ifdef RL_DEBUG
1939 1940
		BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
			buf[4],buf[3]);
1941
#endif
1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952
		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;
			}
		}
1953
#ifdef RL_DEBUG
1954 1955
	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
		buf[2],buf[4]);
1956
#endif
1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974
	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)
	{
1975 1976 1977 1978 1979
	if (db)
		{
		if (db->db) TXT_DB_free(db->db);
		OPENSSL_free(db);
		}
1980
	}
1981

1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
int parse_yesno(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 = 0;
			break;
		default:
			ret = def;
			break;
			}
		}
	return ret;
	}

2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146
/*
 * 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;
}

2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184
/* 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
2185

D
Dr. Stephen Henson 已提交
2186 2187
int args_verify(char ***pargs, int *pargc,
			int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2188 2189 2190
	{
	ASN1_OBJECT *otmp = NULL;
	unsigned long flags = 0;
D
Dr. Stephen Henson 已提交
2191 2192 2193
	int i;
	int purpose = 0;
	char **oldargs = *pargs;
2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210
	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)++;
		}
D
Dr. Stephen Henson 已提交
2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231
	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)++;
		}
2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255
	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, "-x509_strict"))
		flags |= X509_V_FLAG_X509_STRICT;
	else if (!strcmp(arg, "-policy_print"))
		flags |= X509_V_FLAG_NOTIFY_POLICY;
	else
		return 0;

	if (*badarg)
		{
		if (*pm)
			X509_VERIFY_PARAM_free(*pm);
		*pm = NULL;
D
Dr. Stephen Henson 已提交
2256
		goto end;
2257 2258 2259 2260 2261
		}

	if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
		{
		*badarg = 1;
D
Dr. Stephen Henson 已提交
2262
		goto end;
2263 2264 2265 2266 2267 2268 2269
		}

	if (otmp)
		X509_VERIFY_PARAM_add0_policy(*pm, otmp);
	if (flags)
		X509_VERIFY_PARAM_set_flags(*pm, flags);

D
Dr. Stephen Henson 已提交
2270 2271 2272 2273 2274
	if (purpose)
		X509_VERIFY_PARAM_set_purpose(*pm, purpose);

	end:

2275 2276
	(*pargs)++;

D
Dr. Stephen Henson 已提交
2277 2278 2279
	if (pargc)
		*pargc -= *pargs - oldargs;

2280 2281 2282
	return 1;

	}
D
Dr. Stephen Henson 已提交
2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322

static void nodes_print(BIO *out, 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);
	}