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      1 /* apps/apps.c */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) cryptsoft.com).
      7  * The implementation was written so as to conform with Netscapes SSL.
      8  *
      9  * This library is free for commercial and non-commercial use as long as
     10  * the following conditions are aheared to.  The following conditions
     11  * apply to all code found in this distribution, be it the RC4, RSA,
     12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
     13  * included with this distribution is covered by the same copyright terms
     14  * except that the holder is Tim Hudson (tjh (at) cryptsoft.com).
     15  *
     16  * Copyright remains Eric Young's, and as such any Copyright notices in
     17  * the code are not to be removed.
     18  * If this package is used in a product, Eric Young should be given attribution
     19  * as the author of the parts of the library used.
     20  * This can be in the form of a textual message at program startup or
     21  * in documentation (online or textual) provided with the package.
     22  *
     23  * Redistribution and use in source and binary forms, with or without
     24  * modification, are permitted provided that the following conditions
     25  * are met:
     26  * 1. Redistributions of source code must retain the copyright
     27  *    notice, this list of conditions and the following disclaimer.
     28  * 2. Redistributions in binary form must reproduce the above copyright
     29  *    notice, this list of conditions and the following disclaimer in the
     30  *    documentation and/or other materials provided with the distribution.
     31  * 3. All advertising materials mentioning features or use of this software
     32  *    must display the following acknowledgement:
     33  *    "This product includes cryptographic software written by
     34  *     Eric Young (eay (at) cryptsoft.com)"
     35  *    The word 'cryptographic' can be left out if the rouines from the library
     36  *    being used are not cryptographic related :-).
     37  * 4. If you include any Windows specific code (or a derivative thereof) from
     38  *    the apps directory (application code) you must include an acknowledgement:
     39  *    "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)"
     40  *
     41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
     42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     51  * SUCH DAMAGE.
     52  *
     53  * The licence and distribution terms for any publically available version or
     54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
     55  * copied and put under another distribution licence
     56  * [including the GNU Public Licence.]
     57  */
     58 /* ====================================================================
     59  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
     60  *
     61  * Redistribution and use in source and binary forms, with or without
     62  * modification, are permitted provided that the following conditions
     63  * are met:
     64  *
     65  * 1. Redistributions of source code must retain the above copyright
     66  *    notice, this list of conditions and the following disclaimer.
     67  *
     68  * 2. Redistributions in binary form must reproduce the above copyright
     69  *    notice, this list of conditions and the following disclaimer in
     70  *    the documentation and/or other materials provided with the
     71  *    distribution.
     72  *
     73  * 3. All advertising materials mentioning features or use of this
     74  *    software must display the following acknowledgment:
     75  *    "This product includes software developed by the OpenSSL Project
     76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
     77  *
     78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
     79  *    endorse or promote products derived from this software without
     80  *    prior written permission. For written permission, please contact
     81  *    openssl-core (at) openssl.org.
     82  *
     83  * 5. Products derived from this software may not be called "OpenSSL"
     84  *    nor may "OpenSSL" appear in their names without prior written
     85  *    permission of the OpenSSL Project.
     86  *
     87  * 6. Redistributions of any form whatsoever must retain the following
     88  *    acknowledgment:
     89  *    "This product includes software developed by the OpenSSL Project
     90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
     91  *
     92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
     93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
     96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
    103  * OF THE POSSIBILITY OF SUCH DAMAGE.
    104  * ====================================================================
    105  *
    106  * This product includes cryptographic software written by Eric Young
    107  * (eay (at) cryptsoft.com).  This product includes software written by Tim
    108  * Hudson (tjh (at) cryptsoft.com).
    109  *
    110  */
    111 
    112 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
    113 #define _POSIX_C_SOURCE 2	/* On VMS, you need to define this to get
    114 				   the declaration of fileno().  The value
    115 				   2 is to make sure no function defined
    116 				   in POSIX-2 is left undefined. */
    117 #endif
    118 #include <stdio.h>
    119 #include <stdlib.h>
    120 #include <string.h>
    121 #if !defined(OPENSSL_SYSNAME_WIN32) && !defined(NETWARE_CLIB)
    122 #include <strings.h>
    123 #endif
    124 #include <sys/types.h>
    125 #include <ctype.h>
    126 #include <errno.h>
    127 #include <assert.h>
    128 #include <openssl/err.h>
    129 #include <openssl/x509.h>
    130 #include <openssl/x509v3.h>
    131 #include <openssl/pem.h>
    132 #include <openssl/pkcs12.h>
    133 #include <openssl/ui.h>
    134 #include <openssl/safestack.h>
    135 #ifndef OPENSSL_NO_ENGINE
    136 #include <openssl/engine.h>
    137 #endif
    138 #ifndef OPENSSL_NO_RSA
    139 #include <openssl/rsa.h>
    140 #endif
    141 #include <openssl/bn.h>
    142 #ifndef OPENSSL_NO_JPAKE
    143 #include <openssl/jpake.h>
    144 #endif
    145 
    146 #define NON_MAIN
    147 #include "apps.h"
    148 #undef NON_MAIN
    149 
    150 #ifdef _WIN32
    151 static int WIN32_rename(const char *from, const char *to);
    152 #define rename(from,to) WIN32_rename((from),(to))
    153 #endif
    154 
    155 typedef struct {
    156 	const char *name;
    157 	unsigned long flag;
    158 	unsigned long mask;
    159 } NAME_EX_TBL;
    160 
    161 static UI_METHOD *ui_method = NULL;
    162 
    163 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
    164 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
    165 
    166 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
    167 /* Looks like this stuff is worth moving into separate function */
    168 static EVP_PKEY *
    169 load_netscape_key(BIO *err, BIO *key, const char *file,
    170 		const char *key_descrip, int format);
    171 #endif
    172 
    173 int app_init(long mesgwin);
    174 #ifdef undef /* never finished - probably never will be :-) */
    175 int args_from_file(char *file, int *argc, char **argv[])
    176 	{
    177 	FILE *fp;
    178 	int num,i;
    179 	unsigned int len;
    180 	static char *buf=NULL;
    181 	static char **arg=NULL;
    182 	char *p;
    183 
    184 	fp=fopen(file,"r");
    185 	if (fp == NULL)
    186 		return(0);
    187 
    188 	if (fseek(fp,0,SEEK_END)==0)
    189 		len=ftell(fp), rewind(fp);
    190 	else	len=-1;
    191 	if (len<=0)
    192 		{
    193 		fclose(fp);
    194 		return(0);
    195 		}
    196 
    197 	*argc=0;
    198 	*argv=NULL;
    199 
    200 	if (buf != NULL) OPENSSL_free(buf);
    201 	buf=(char *)OPENSSL_malloc(len+1);
    202 	if (buf == NULL) return(0);
    203 
    204 	len=fread(buf,1,len,fp);
    205 	if (len <= 1) return(0);
    206 	buf[len]='\0';
    207 
    208 	i=0;
    209 	for (p=buf; *p; p++)
    210 		if (*p == '\n') i++;
    211 	if (arg != NULL) OPENSSL_free(arg);
    212 	arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
    213 
    214 	*argv=arg;
    215 	num=0;
    216 	p=buf;
    217 	for (;;)
    218 		{
    219 		if (!*p) break;
    220 		if (*p == '#') /* comment line */
    221 			{
    222 			while (*p && (*p != '\n')) p++;
    223 			continue;
    224 			}
    225 		/* else we have a line */
    226 		*(arg++)=p;
    227 		num++;
    228 		while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
    229 			p++;
    230 		if (!*p) break;
    231 		if (*p == '\n')
    232 			{
    233 			*(p++)='\0';
    234 			continue;
    235 			}
    236 		/* else it is a tab or space */
    237 		p++;
    238 		while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
    239 			p++;
    240 		if (!*p) break;
    241 		if (*p == '\n')
    242 			{
    243 			p++;
    244 			continue;
    245 			}
    246 		*(arg++)=p++;
    247 		num++;
    248 		while (*p && (*p != '\n')) p++;
    249 		if (!*p) break;
    250 		/* else *p == '\n' */
    251 		*(p++)='\0';
    252 		}
    253 	*argc=num;
    254 	return(1);
    255 	}
    256 #endif
    257 
    258 int str2fmt(char *s)
    259 	{
    260 	if (s == NULL)
    261 		return FORMAT_UNDEF;
    262 	if 	((*s == 'D') || (*s == 'd'))
    263 		return(FORMAT_ASN1);
    264 	else if ((*s == 'T') || (*s == 't'))
    265 		return(FORMAT_TEXT);
    266   	else if ((*s == 'N') || (*s == 'n'))
    267   		return(FORMAT_NETSCAPE);
    268   	else if ((*s == 'S') || (*s == 's'))
    269   		return(FORMAT_SMIME);
    270  	else if ((*s == 'M') || (*s == 'm'))
    271  		return(FORMAT_MSBLOB);
    272 	else if ((*s == '1')
    273 		|| (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
    274 		|| (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
    275 		return(FORMAT_PKCS12);
    276 	else if ((*s == 'E') || (*s == 'e'))
    277 		return(FORMAT_ENGINE);
    278 	else if ((*s == 'P') || (*s == 'p'))
    279  		{
    280  		if (s[1] == 'V' || s[1] == 'v')
    281  			return FORMAT_PVK;
    282  		else
    283   			return(FORMAT_PEM);
    284  		}
    285 	else
    286 		return(FORMAT_UNDEF);
    287 	}
    288 
    289 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
    290 void program_name(char *in, char *out, int size)
    291 	{
    292 	int i,n;
    293 	char *p=NULL;
    294 
    295 	n=strlen(in);
    296 	/* find the last '/', '\' or ':' */
    297 	for (i=n-1; i>0; i--)
    298 		{
    299 		if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
    300 			{
    301 			p= &(in[i+1]);
    302 			break;
    303 			}
    304 		}
    305 	if (p == NULL)
    306 		p=in;
    307 	n=strlen(p);
    308 
    309 #if defined(OPENSSL_SYS_NETWARE)
    310    /* strip off trailing .nlm if present. */
    311    if ((n > 4) && (p[n-4] == '.') &&
    312       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
    313       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
    314       ((p[n-1] == 'm') || (p[n-1] == 'M')))
    315       n-=4;
    316 #else
    317 	/* strip off trailing .exe if present. */
    318 	if ((n > 4) && (p[n-4] == '.') &&
    319 		((p[n-3] == 'e') || (p[n-3] == 'E')) &&
    320 		((p[n-2] == 'x') || (p[n-2] == 'X')) &&
    321 		((p[n-1] == 'e') || (p[n-1] == 'E')))
    322 		n-=4;
    323 #endif
    324 
    325 	if (n > size-1)
    326 		n=size-1;
    327 
    328 	for (i=0; i<n; i++)
    329 		{
    330 		if ((p[i] >= 'A') && (p[i] <= 'Z'))
    331 			out[i]=p[i]-'A'+'a';
    332 		else
    333 			out[i]=p[i];
    334 		}
    335 	out[n]='\0';
    336 	}
    337 #else
    338 #ifdef OPENSSL_SYS_VMS
    339 void program_name(char *in, char *out, int size)
    340 	{
    341 	char *p=in, *q;
    342 	char *chars=":]>";
    343 
    344 	while(*chars != '\0')
    345 		{
    346 		q=strrchr(p,*chars);
    347 		if (q > p)
    348 			p = q + 1;
    349 		chars++;
    350 		}
    351 
    352 	q=strrchr(p,'.');
    353 	if (q == NULL)
    354 		q = p + strlen(p);
    355 	strncpy(out,p,size-1);
    356 	if (q-p >= size)
    357 		{
    358 		out[size-1]='\0';
    359 		}
    360 	else
    361 		{
    362 		out[q-p]='\0';
    363 		}
    364 	}
    365 #else
    366 void program_name(char *in, char *out, int size)
    367 	{
    368 	char *p;
    369 
    370 	p=strrchr(in,'/');
    371 	if (p != NULL)
    372 		p++;
    373 	else
    374 		p=in;
    375 	BUF_strlcpy(out,p,size);
    376 	}
    377 #endif
    378 #endif
    379 
    380 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
    381 	{
    382 	int num,i;
    383 	char *p;
    384 
    385 	*argc=0;
    386 	*argv=NULL;
    387 
    388 	i=0;
    389 	if (arg->count == 0)
    390 		{
    391 		arg->count=20;
    392 		arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
    393 		if (arg->data == NULL)
    394 			return 0;
    395 		}
    396 	for (i=0; i<arg->count; i++)
    397 		arg->data[i]=NULL;
    398 
    399 	num=0;
    400 	p=buf;
    401 	for (;;)
    402 		{
    403 		/* first scan over white space */
    404 		if (!*p) break;
    405 		while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
    406 			p++;
    407 		if (!*p) break;
    408 
    409 		/* The start of something good :-) */
    410 		if (num >= arg->count)
    411 			{
    412 			char **tmp_p;
    413 			int tlen = arg->count + 20;
    414 			tmp_p = (char **)OPENSSL_realloc(arg->data,
    415 				sizeof(char *)*tlen);
    416 			if (tmp_p == NULL)
    417 				return 0;
    418 			arg->data  = tmp_p;
    419 			arg->count = tlen;
    420 			/* initialize newly allocated data */
    421 			for (i = num; i < arg->count; i++)
    422 				arg->data[i] = NULL;
    423 			}
    424 		arg->data[num++]=p;
    425 
    426 		/* now look for the end of this */
    427 		if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
    428 			{
    429 			i= *(p++);
    430 			arg->data[num-1]++; /* jump over quote */
    431 			while (*p && (*p != i))
    432 				p++;
    433 			*p='\0';
    434 			}
    435 		else
    436 			{
    437 			while (*p && ((*p != ' ') &&
    438 				(*p != '\t') && (*p != '\n')))
    439 				p++;
    440 
    441 			if (*p == '\0')
    442 				p--;
    443 			else
    444 				*p='\0';
    445 			}
    446 		p++;
    447 		}
    448 	*argc=num;
    449 	*argv=arg->data;
    450 	return(1);
    451 	}
    452 
    453 #ifndef APP_INIT
    454 int app_init(long mesgwin)
    455 	{
    456 	return(1);
    457 	}
    458 #endif
    459 
    460 
    461 int dump_cert_text (BIO *out, X509 *x)
    462 {
    463 	char *p;
    464 
    465 	p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
    466 	BIO_puts(out,"subject=");
    467 	BIO_puts(out,p);
    468 	OPENSSL_free(p);
    469 
    470 	p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
    471 	BIO_puts(out,"\nissuer=");
    472 	BIO_puts(out,p);
    473 	BIO_puts(out,"\n");
    474 	OPENSSL_free(p);
    475 
    476 	return 0;
    477 }
    478 
    479 static int ui_open(UI *ui)
    480 	{
    481 	return UI_method_get_opener(UI_OpenSSL())(ui);
    482 	}
    483 static int ui_read(UI *ui, UI_STRING *uis)
    484 	{
    485 	if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
    486 		&& UI_get0_user_data(ui))
    487 		{
    488 		switch(UI_get_string_type(uis))
    489 			{
    490 		case UIT_PROMPT:
    491 		case UIT_VERIFY:
    492 			{
    493 			const char *password =
    494 				((PW_CB_DATA *)UI_get0_user_data(ui))->password;
    495 			if (password && password[0] != '\0')
    496 				{
    497 				UI_set_result(ui, uis, password);
    498 				return 1;
    499 				}
    500 			}
    501 		default:
    502 			break;
    503 			}
    504 		}
    505 	return UI_method_get_reader(UI_OpenSSL())(ui, uis);
    506 	}
    507 static int ui_write(UI *ui, UI_STRING *uis)
    508 	{
    509 	if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
    510 		&& UI_get0_user_data(ui))
    511 		{
    512 		switch(UI_get_string_type(uis))
    513 			{
    514 		case UIT_PROMPT:
    515 		case UIT_VERIFY:
    516 			{
    517 			const char *password =
    518 				((PW_CB_DATA *)UI_get0_user_data(ui))->password;
    519 			if (password && password[0] != '\0')
    520 				return 1;
    521 			}
    522 		default:
    523 			break;
    524 			}
    525 		}
    526 	return UI_method_get_writer(UI_OpenSSL())(ui, uis);
    527 	}
    528 static int ui_close(UI *ui)
    529 	{
    530 	return UI_method_get_closer(UI_OpenSSL())(ui);
    531 	}
    532 int setup_ui_method(void)
    533 	{
    534 	ui_method = UI_create_method("OpenSSL application user interface");
    535 	UI_method_set_opener(ui_method, ui_open);
    536 	UI_method_set_reader(ui_method, ui_read);
    537 	UI_method_set_writer(ui_method, ui_write);
    538 	UI_method_set_closer(ui_method, ui_close);
    539 	return 0;
    540 	}
    541 void destroy_ui_method(void)
    542 	{
    543 	if(ui_method)
    544 		{
    545 		UI_destroy_method(ui_method);
    546 		ui_method = NULL;
    547 		}
    548 	}
    549 int password_callback(char *buf, int bufsiz, int verify,
    550 	PW_CB_DATA *cb_tmp)
    551 	{
    552 	UI *ui = NULL;
    553 	int res = 0;
    554 	const char *prompt_info = NULL;
    555 	const char *password = NULL;
    556 	PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
    557 
    558 	if (cb_data)
    559 		{
    560 		if (cb_data->password)
    561 			password = cb_data->password;
    562 		if (cb_data->prompt_info)
    563 			prompt_info = cb_data->prompt_info;
    564 		}
    565 
    566 	if (password)
    567 		{
    568 		res = strlen(password);
    569 		if (res > bufsiz)
    570 			res = bufsiz;
    571 		memcpy(buf, password, res);
    572 		return res;
    573 		}
    574 
    575 	ui = UI_new_method(ui_method);
    576 	if (ui)
    577 		{
    578 		int ok = 0;
    579 		char *buff = NULL;
    580 		int ui_flags = 0;
    581 		char *prompt = NULL;
    582 
    583 		prompt = UI_construct_prompt(ui, "pass phrase",
    584 			prompt_info);
    585 
    586 		ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
    587 		UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
    588 
    589 		if (ok >= 0)
    590 			ok = UI_add_input_string(ui,prompt,ui_flags,buf,
    591 				PW_MIN_LENGTH,bufsiz-1);
    592 		if (ok >= 0 && verify)
    593 			{
    594 			buff = (char *)OPENSSL_malloc(bufsiz);
    595 			ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
    596 				PW_MIN_LENGTH,bufsiz-1, buf);
    597 			}
    598 		if (ok >= 0)
    599 			do
    600 				{
    601 				ok = UI_process(ui);
    602 				}
    603 			while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
    604 
    605 		if (buff)
    606 			{
    607 			OPENSSL_cleanse(buff,(unsigned int)bufsiz);
    608 			OPENSSL_free(buff);
    609 			}
    610 
    611 		if (ok >= 0)
    612 			res = strlen(buf);
    613 		if (ok == -1)
    614 			{
    615 			BIO_printf(bio_err, "User interface error\n");
    616 			ERR_print_errors(bio_err);
    617 			OPENSSL_cleanse(buf,(unsigned int)bufsiz);
    618 			res = 0;
    619 			}
    620 		if (ok == -2)
    621 			{
    622 			BIO_printf(bio_err,"aborted!\n");
    623 			OPENSSL_cleanse(buf,(unsigned int)bufsiz);
    624 			res = 0;
    625 			}
    626 		UI_free(ui);
    627 		OPENSSL_free(prompt);
    628 		}
    629 	return res;
    630 	}
    631 
    632 static char *app_get_pass(BIO *err, char *arg, int keepbio);
    633 
    634 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
    635 {
    636 	int same;
    637 	if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
    638 	else same = 1;
    639 	if(arg1) {
    640 		*pass1 = app_get_pass(err, arg1, same);
    641 		if(!*pass1) return 0;
    642 	} else if(pass1) *pass1 = NULL;
    643 	if(arg2) {
    644 		*pass2 = app_get_pass(err, arg2, same ? 2 : 0);
    645 		if(!*pass2) return 0;
    646 	} else if(pass2) *pass2 = NULL;
    647 	return 1;
    648 }
    649 
    650 static char *app_get_pass(BIO *err, char *arg, int keepbio)
    651 {
    652 	char *tmp, tpass[APP_PASS_LEN];
    653 	static BIO *pwdbio = NULL;
    654 	int i;
    655 	if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
    656 	if(!strncmp(arg, "env:", 4)) {
    657 		tmp = getenv(arg + 4);
    658 		if(!tmp) {
    659 			BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
    660 			return NULL;
    661 		}
    662 		return BUF_strdup(tmp);
    663 	}
    664 	if(!keepbio || !pwdbio) {
    665 		if(!strncmp(arg, "file:", 5)) {
    666 			pwdbio = BIO_new_file(arg + 5, "r");
    667 			if(!pwdbio) {
    668 				BIO_printf(err, "Can't open file %s\n", arg + 5);
    669 				return NULL;
    670 			}
    671 #if !defined(_WIN32)
    672 		/*
    673 		 * Under _WIN32, which covers even Win64 and CE, file
    674 		 * descriptors referenced by BIO_s_fd are not inherited
    675 		 * by child process and therefore below is not an option.
    676 		 * It could have been an option if bss_fd.c was operating
    677 		 * on real Windows descriptors, such as those obtained
    678 		 * with CreateFile.
    679 		 */
    680 		} else if(!strncmp(arg, "fd:", 3)) {
    681 			BIO *btmp;
    682 			i = atoi(arg + 3);
    683 			if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
    684 			if((i < 0) || !pwdbio) {
    685 				BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
    686 				return NULL;
    687 			}
    688 			/* Can't do BIO_gets on an fd BIO so add a buffering BIO */
    689 			btmp = BIO_new(BIO_f_buffer());
    690 			pwdbio = BIO_push(btmp, pwdbio);
    691 #endif
    692 		} else if(!strcmp(arg, "stdin")) {
    693 			pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
    694 			if(!pwdbio) {
    695 				BIO_printf(err, "Can't open BIO for stdin\n");
    696 				return NULL;
    697 			}
    698 		} else {
    699 			BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
    700 			return NULL;
    701 		}
    702 	}
    703 	i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
    704 	if(keepbio != 1) {
    705 		BIO_free_all(pwdbio);
    706 		pwdbio = NULL;
    707 	}
    708 	if(i <= 0) {
    709 		BIO_printf(err, "Error reading password from BIO\n");
    710 		return NULL;
    711 	}
    712 	tmp = strchr(tpass, '\n');
    713 	if(tmp) *tmp = 0;
    714 	return BUF_strdup(tpass);
    715 }
    716 
    717 int add_oid_section(BIO *err, CONF *conf)
    718 {
    719 	char *p;
    720 	STACK_OF(CONF_VALUE) *sktmp;
    721 	CONF_VALUE *cnf;
    722 	int i;
    723 	if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
    724 		{
    725 		ERR_clear_error();
    726 		return 1;
    727 		}
    728 	if(!(sktmp = NCONF_get_section(conf, p))) {
    729 		BIO_printf(err, "problem loading oid section %s\n", p);
    730 		return 0;
    731 	}
    732 	for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
    733 		cnf = sk_CONF_VALUE_value(sktmp, i);
    734 		if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
    735 			BIO_printf(err, "problem creating object %s=%s\n",
    736 							 cnf->name, cnf->value);
    737 			return 0;
    738 		}
    739 	}
    740 	return 1;
    741 }
    742 
    743 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
    744 		pem_password_cb *pem_cb,  void *cb_data,
    745 		EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
    746 	{
    747  	const char *pass;
    748 	char tpass[PEM_BUFSIZE];
    749 	int len, ret = 0;
    750 	PKCS12 *p12;
    751 	p12 = d2i_PKCS12_bio(in, NULL);
    752 	if (p12 == NULL)
    753 		{
    754 		BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
    755 		goto die;
    756 		}
    757 	/* See if an empty password will do */
    758 	if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
    759 		pass = "";
    760 	else
    761 		{
    762 		if (!pem_cb)
    763 			pem_cb = (pem_password_cb *)password_callback;
    764 		len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
    765 		if (len < 0)
    766 			{
    767 			BIO_printf(err, "Passpharse callback error for %s\n",
    768 					desc);
    769 			goto die;
    770 			}
    771 		if (len < PEM_BUFSIZE)
    772 			tpass[len] = 0;
    773 		if (!PKCS12_verify_mac(p12, tpass, len))
    774 			{
    775 			BIO_printf(err,
    776 	"Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
    777 			goto die;
    778 			}
    779 		pass = tpass;
    780 		}
    781 	ret = PKCS12_parse(p12, pass, pkey, cert, ca);
    782 	die:
    783 	if (p12)
    784 		PKCS12_free(p12);
    785 	return ret;
    786 	}
    787 
    788 X509 *load_cert(BIO *err, const char *file, int format,
    789 	const char *pass, ENGINE *e, const char *cert_descrip)
    790 	{
    791 	X509 *x=NULL;
    792 	BIO *cert;
    793 
    794 	if ((cert=BIO_new(BIO_s_file())) == NULL)
    795 		{
    796 		ERR_print_errors(err);
    797 		goto end;
    798 		}
    799 
    800 	if (file == NULL)
    801 		{
    802 #ifdef _IONBF
    803 # ifndef OPENSSL_NO_SETVBUF_IONBF
    804 		setvbuf(stdin, NULL, _IONBF, 0);
    805 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
    806 #endif
    807 		BIO_set_fp(cert,stdin,BIO_NOCLOSE);
    808 		}
    809 	else
    810 		{
    811 		if (BIO_read_filename(cert,file) <= 0)
    812 			{
    813 			BIO_printf(err, "Error opening %s %s\n",
    814 				cert_descrip, file);
    815 			ERR_print_errors(err);
    816 			goto end;
    817 			}
    818 		}
    819 
    820 	if 	(format == FORMAT_ASN1)
    821 		x=d2i_X509_bio(cert,NULL);
    822 	else if (format == FORMAT_NETSCAPE)
    823 		{
    824 		NETSCAPE_X509 *nx;
    825 		nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
    826 		if (nx == NULL)
    827 				goto end;
    828 
    829 		if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
    830 			nx->header->length) != 0))
    831 			{
    832 			NETSCAPE_X509_free(nx);
    833 			BIO_printf(err,"Error reading header on certificate\n");
    834 			goto end;
    835 			}
    836 		x=nx->cert;
    837 		nx->cert = NULL;
    838 		NETSCAPE_X509_free(nx);
    839 		}
    840 	else if (format == FORMAT_PEM)
    841 		x=PEM_read_bio_X509_AUX(cert,NULL,
    842 			(pem_password_cb *)password_callback, NULL);
    843 	else if (format == FORMAT_PKCS12)
    844 		{
    845 		if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
    846 					NULL, &x, NULL))
    847 			goto end;
    848 		}
    849 	else	{
    850 		BIO_printf(err,"bad input format specified for %s\n",
    851 			cert_descrip);
    852 		goto end;
    853 		}
    854 end:
    855 	if (x == NULL)
    856 		{
    857 		BIO_printf(err,"unable to load certificate\n");
    858 		ERR_print_errors(err);
    859 		}
    860 	if (cert != NULL) BIO_free(cert);
    861 	return(x);
    862 	}
    863 
    864 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
    865 	const char *pass, ENGINE *e, const char *key_descrip)
    866 	{
    867 	BIO *key=NULL;
    868 	EVP_PKEY *pkey=NULL;
    869 	PW_CB_DATA cb_data;
    870 
    871 	cb_data.password = pass;
    872 	cb_data.prompt_info = file;
    873 
    874 	if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
    875 		{
    876 		BIO_printf(err,"no keyfile specified\n");
    877 		goto end;
    878 		}
    879 #ifndef OPENSSL_NO_ENGINE
    880 	if (format == FORMAT_ENGINE)
    881 		{
    882 		if (!e)
    883 			BIO_printf(err,"no engine specified\n");
    884 		else
    885 			{
    886 			pkey = ENGINE_load_private_key(e, file,
    887 				ui_method, &cb_data);
    888 			if (!pkey)
    889 				{
    890 				BIO_printf(err,"cannot load %s from engine\n",key_descrip);
    891 				ERR_print_errors(err);
    892 				}
    893 			}
    894 		goto end;
    895 		}
    896 #endif
    897 	key=BIO_new(BIO_s_file());
    898 	if (key == NULL)
    899 		{
    900 		ERR_print_errors(err);
    901 		goto end;
    902 		}
    903 	if (file == NULL && maybe_stdin)
    904 		{
    905 #ifdef _IONBF
    906 # ifndef OPENSSL_NO_SETVBUF_IONBF
    907 		setvbuf(stdin, NULL, _IONBF, 0);
    908 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
    909 #endif
    910 		BIO_set_fp(key,stdin,BIO_NOCLOSE);
    911 		}
    912 	else
    913 		if (BIO_read_filename(key,file) <= 0)
    914 			{
    915 			BIO_printf(err, "Error opening %s %s\n",
    916 				key_descrip, file);
    917 			ERR_print_errors(err);
    918 			goto end;
    919 			}
    920 	if (format == FORMAT_ASN1)
    921 		{
    922 		pkey=d2i_PrivateKey_bio(key, NULL);
    923 		}
    924 	else if (format == FORMAT_PEM)
    925 		{
    926 		pkey=PEM_read_bio_PrivateKey(key,NULL,
    927 			(pem_password_cb *)password_callback, &cb_data);
    928 		}
    929 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
    930 	else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
    931 		pkey = load_netscape_key(err, key, file, key_descrip, format);
    932 #endif
    933 	else if (format == FORMAT_PKCS12)
    934 		{
    935 		if (!load_pkcs12(err, key, key_descrip,
    936 				(pem_password_cb *)password_callback, &cb_data,
    937 				&pkey, NULL, NULL))
    938 			goto end;
    939 		}
    940 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
    941 	else if (format == FORMAT_MSBLOB)
    942 		pkey = b2i_PrivateKey_bio(key);
    943 	else if (format == FORMAT_PVK)
    944 		pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
    945 								&cb_data);
    946 #endif
    947 	else
    948 		{
    949 		BIO_printf(err,"bad input format specified for key file\n");
    950 		goto end;
    951 		}
    952  end:
    953 	if (key != NULL) BIO_free(key);
    954 	if (pkey == NULL)
    955 		{
    956 		BIO_printf(err,"unable to load %s\n", key_descrip);
    957 		ERR_print_errors(err);
    958 		}
    959 	return(pkey);
    960 	}
    961 
    962 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
    963 	const char *pass, ENGINE *e, const char *key_descrip)
    964 	{
    965 	BIO *key=NULL;
    966 	EVP_PKEY *pkey=NULL;
    967 	PW_CB_DATA cb_data;
    968 
    969 	cb_data.password = pass;
    970 	cb_data.prompt_info = file;
    971 
    972 	if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
    973 		{
    974 		BIO_printf(err,"no keyfile specified\n");
    975 		goto end;
    976 		}
    977 #ifndef OPENSSL_NO_ENGINE
    978 	if (format == FORMAT_ENGINE)
    979 		{
    980 		if (!e)
    981 			BIO_printf(bio_err,"no engine specified\n");
    982 		else
    983 			pkey = ENGINE_load_public_key(e, file,
    984 				ui_method, &cb_data);
    985 		goto end;
    986 		}
    987 #endif
    988 	key=BIO_new(BIO_s_file());
    989 	if (key == NULL)
    990 		{
    991 		ERR_print_errors(err);
    992 		goto end;
    993 		}
    994 	if (file == NULL && maybe_stdin)
    995 		{
    996 #ifdef _IONBF
    997 # ifndef OPENSSL_NO_SETVBUF_IONBF
    998 		setvbuf(stdin, NULL, _IONBF, 0);
    999 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
   1000 #endif
   1001 		BIO_set_fp(key,stdin,BIO_NOCLOSE);
   1002 		}
   1003 	else
   1004 		if (BIO_read_filename(key,file) <= 0)
   1005 			{
   1006 			BIO_printf(err, "Error opening %s %s\n",
   1007 				key_descrip, file);
   1008 			ERR_print_errors(err);
   1009 			goto end;
   1010 		}
   1011 	if (format == FORMAT_ASN1)
   1012 		{
   1013 		pkey=d2i_PUBKEY_bio(key, NULL);
   1014 		}
   1015 #ifndef OPENSSL_NO_RSA
   1016 	else if (format == FORMAT_ASN1RSA)
   1017 		{
   1018 		RSA *rsa;
   1019 		rsa = d2i_RSAPublicKey_bio(key, NULL);
   1020 		if (rsa)
   1021 			{
   1022 			pkey = EVP_PKEY_new();
   1023 			if (pkey)
   1024 				EVP_PKEY_set1_RSA(pkey, rsa);
   1025 			RSA_free(rsa);
   1026 			}
   1027 		else
   1028 			pkey = NULL;
   1029 		}
   1030 	else if (format == FORMAT_PEMRSA)
   1031 		{
   1032 		RSA *rsa;
   1033 		rsa = PEM_read_bio_RSAPublicKey(key, NULL,
   1034 			(pem_password_cb *)password_callback, &cb_data);
   1035 		if (rsa)
   1036 			{
   1037 			pkey = EVP_PKEY_new();
   1038 			if (pkey)
   1039 				EVP_PKEY_set1_RSA(pkey, rsa);
   1040 			RSA_free(rsa);
   1041 			}
   1042 		else
   1043 			pkey = NULL;
   1044 		}
   1045 #endif
   1046 	else if (format == FORMAT_PEM)
   1047 		{
   1048 		pkey=PEM_read_bio_PUBKEY(key,NULL,
   1049 			(pem_password_cb *)password_callback, &cb_data);
   1050 		}
   1051 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
   1052 	else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
   1053 		pkey = load_netscape_key(err, key, file, key_descrip, format);
   1054 #endif
   1055 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
   1056 	else if (format == FORMAT_MSBLOB)
   1057 		pkey = b2i_PublicKey_bio(key);
   1058 #endif
   1059 	else
   1060 		{
   1061 		BIO_printf(err,"bad input format specified for key file\n");
   1062 		goto end;
   1063 		}
   1064  end:
   1065 	if (key != NULL) BIO_free(key);
   1066 	if (pkey == NULL)
   1067 		BIO_printf(err,"unable to load %s\n", key_descrip);
   1068 	return(pkey);
   1069 	}
   1070 
   1071 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
   1072 static EVP_PKEY *
   1073 load_netscape_key(BIO *err, BIO *key, const char *file,
   1074 		const char *key_descrip, int format)
   1075 	{
   1076 	EVP_PKEY *pkey;
   1077 	BUF_MEM *buf;
   1078 	RSA	*rsa;
   1079 	const unsigned char *p;
   1080 	int size, i;
   1081 
   1082 	buf=BUF_MEM_new();
   1083 	pkey = EVP_PKEY_new();
   1084 	size = 0;
   1085 	if (buf == NULL || pkey == NULL)
   1086 		goto error;
   1087 	for (;;)
   1088 		{
   1089 		if (!BUF_MEM_grow_clean(buf,size+1024*10))
   1090 			goto error;
   1091 		i = BIO_read(key, &(buf->data[size]), 1024*10);
   1092 		size += i;
   1093 		if (i == 0)
   1094 			break;
   1095 		if (i < 0)
   1096 			{
   1097 				BIO_printf(err, "Error reading %s %s",
   1098 					key_descrip, file);
   1099 				goto error;
   1100 			}
   1101 		}
   1102 	p=(unsigned char *)buf->data;
   1103 	rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
   1104 		(format == FORMAT_IISSGC ? 1 : 0));
   1105 	if (rsa == NULL)
   1106 		goto error;
   1107 	BUF_MEM_free(buf);
   1108 	EVP_PKEY_set1_RSA(pkey, rsa);
   1109 	return pkey;
   1110 error:
   1111 	BUF_MEM_free(buf);
   1112 	EVP_PKEY_free(pkey);
   1113 	return NULL;
   1114 	}
   1115 #endif /* ndef OPENSSL_NO_RC4 */
   1116 
   1117 static int load_certs_crls(BIO *err, const char *file, int format,
   1118 	const char *pass, ENGINE *e, const char *desc,
   1119 	STACK_OF(X509) **pcerts, STACK_OF(X509_CRL) **pcrls)
   1120 	{
   1121 	int i;
   1122 	BIO *bio;
   1123 	STACK_OF(X509_INFO) *xis = NULL;
   1124 	X509_INFO *xi;
   1125 	PW_CB_DATA cb_data;
   1126 	int rv = 0;
   1127 
   1128 	cb_data.password = pass;
   1129 	cb_data.prompt_info = file;
   1130 
   1131 	if (format != FORMAT_PEM)
   1132 		{
   1133 		BIO_printf(err,"bad input format specified for %s\n", desc);
   1134 		return 0;
   1135 		}
   1136 
   1137 	if (file == NULL)
   1138 		bio = BIO_new_fp(stdin,BIO_NOCLOSE);
   1139 	else
   1140 		bio = BIO_new_file(file, "r");
   1141 
   1142 	if (bio == NULL)
   1143 		{
   1144 		BIO_printf(err, "Error opening %s %s\n",
   1145 				desc, file ? file : "stdin");
   1146 		ERR_print_errors(err);
   1147 		return 0;
   1148 		}
   1149 
   1150 	xis = PEM_X509_INFO_read_bio(bio, NULL,
   1151 				(pem_password_cb *)password_callback, &cb_data);
   1152 
   1153 	BIO_free(bio);
   1154 
   1155 	if (pcerts)
   1156 		{
   1157 		*pcerts = sk_X509_new_null();
   1158 		if (!*pcerts)
   1159 			goto end;
   1160 		}
   1161 
   1162 	if (pcrls)
   1163 		{
   1164 		*pcrls = sk_X509_CRL_new_null();
   1165 		if (!*pcrls)
   1166 			goto end;
   1167 		}
   1168 
   1169 	for(i = 0; i < sk_X509_INFO_num(xis); i++)
   1170 		{
   1171 		xi = sk_X509_INFO_value (xis, i);
   1172 		if (xi->x509 && pcerts)
   1173 			{
   1174 			if (!sk_X509_push(*pcerts, xi->x509))
   1175 				goto end;
   1176 			xi->x509 = NULL;
   1177 			}
   1178 		if (xi->crl && pcrls)
   1179 			{
   1180 			if (!sk_X509_CRL_push(*pcrls, xi->crl))
   1181 				goto end;
   1182 			xi->crl = NULL;
   1183 			}
   1184 		}
   1185 
   1186 	if (pcerts && sk_X509_num(*pcerts) > 0)
   1187 		rv = 1;
   1188 
   1189 	if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
   1190 		rv = 1;
   1191 
   1192 	end:
   1193 
   1194 	if (xis)
   1195 		sk_X509_INFO_pop_free(xis, X509_INFO_free);
   1196 
   1197 	if (rv == 0)
   1198 		{
   1199 		if (pcerts)
   1200 			{
   1201 			sk_X509_pop_free(*pcerts, X509_free);
   1202 			*pcerts = NULL;
   1203 			}
   1204 		if (pcrls)
   1205 			{
   1206 			sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
   1207 			*pcrls = NULL;
   1208 			}
   1209 		BIO_printf(err,"unable to load %s\n",
   1210 				pcerts ? "certificates" : "CRLs");
   1211 		ERR_print_errors(err);
   1212 		}
   1213 	return rv;
   1214 	}
   1215 
   1216 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
   1217 	const char *pass, ENGINE *e, const char *desc)
   1218 	{
   1219 	STACK_OF(X509) *certs;
   1220 	if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL))
   1221 		return NULL;
   1222 	return certs;
   1223 	}
   1224 
   1225 STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
   1226 	const char *pass, ENGINE *e, const char *desc)
   1227 	{
   1228 	STACK_OF(X509_CRL) *crls;
   1229 	if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls))
   1230 		return NULL;
   1231 	return crls;
   1232 	}
   1233 
   1234 #define X509V3_EXT_UNKNOWN_MASK		(0xfL << 16)
   1235 /* Return error for unknown extensions */
   1236 #define X509V3_EXT_DEFAULT		0
   1237 /* Print error for unknown extensions */
   1238 #define X509V3_EXT_ERROR_UNKNOWN	(1L << 16)
   1239 /* ASN1 parse unknown extensions */
   1240 #define X509V3_EXT_PARSE_UNKNOWN	(2L << 16)
   1241 /* BIO_dump unknown extensions */
   1242 #define X509V3_EXT_DUMP_UNKNOWN		(3L << 16)
   1243 
   1244 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
   1245 			 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
   1246 
   1247 int set_cert_ex(unsigned long *flags, const char *arg)
   1248 {
   1249 	static const NAME_EX_TBL cert_tbl[] = {
   1250 		{ "compatible", X509_FLAG_COMPAT, 0xffffffffl},
   1251 		{ "ca_default", X509_FLAG_CA, 0xffffffffl},
   1252 		{ "no_header", X509_FLAG_NO_HEADER, 0},
   1253 		{ "no_version", X509_FLAG_NO_VERSION, 0},
   1254 		{ "no_serial", X509_FLAG_NO_SERIAL, 0},
   1255 		{ "no_signame", X509_FLAG_NO_SIGNAME, 0},
   1256 		{ "no_validity", X509_FLAG_NO_VALIDITY, 0},
   1257 		{ "no_subject", X509_FLAG_NO_SUBJECT, 0},
   1258 		{ "no_issuer", X509_FLAG_NO_ISSUER, 0},
   1259 		{ "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
   1260 		{ "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
   1261 		{ "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
   1262 		{ "no_aux", X509_FLAG_NO_AUX, 0},
   1263 		{ "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
   1264 		{ "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
   1265 		{ "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
   1266 		{ "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
   1267 		{ "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
   1268 		{ NULL, 0, 0}
   1269 	};
   1270 	return set_multi_opts(flags, arg, cert_tbl);
   1271 }
   1272 
   1273 int set_name_ex(unsigned long *flags, const char *arg)
   1274 {
   1275 	static const NAME_EX_TBL ex_tbl[] = {
   1276 		{ "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
   1277 		{ "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
   1278 		{ "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
   1279 		{ "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
   1280 		{ "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
   1281 		{ "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
   1282 		{ "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
   1283 		{ "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
   1284 		{ "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
   1285 		{ "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
   1286 		{ "compat", XN_FLAG_COMPAT, 0xffffffffL},
   1287 		{ "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
   1288 		{ "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
   1289 		{ "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
   1290 		{ "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
   1291 		{ "dn_rev", XN_FLAG_DN_REV, 0},
   1292 		{ "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
   1293 		{ "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
   1294 		{ "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
   1295 		{ "align", XN_FLAG_FN_ALIGN, 0},
   1296 		{ "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
   1297 		{ "space_eq", XN_FLAG_SPC_EQ, 0},
   1298 		{ "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
   1299 		{ "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
   1300 		{ "oneline", XN_FLAG_ONELINE, 0xffffffffL},
   1301 		{ "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
   1302 		{ "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
   1303 		{ NULL, 0, 0}
   1304 	};
   1305 	return set_multi_opts(flags, arg, ex_tbl);
   1306 }
   1307 
   1308 int set_ext_copy(int *copy_type, const char *arg)
   1309 {
   1310 	if (!strcasecmp(arg, "none"))
   1311 		*copy_type = EXT_COPY_NONE;
   1312 	else if (!strcasecmp(arg, "copy"))
   1313 		*copy_type = EXT_COPY_ADD;
   1314 	else if (!strcasecmp(arg, "copyall"))
   1315 		*copy_type = EXT_COPY_ALL;
   1316 	else
   1317 		return 0;
   1318 	return 1;
   1319 }
   1320 
   1321 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
   1322 {
   1323 	STACK_OF(X509_EXTENSION) *exts = NULL;
   1324 	X509_EXTENSION *ext, *tmpext;
   1325 	ASN1_OBJECT *obj;
   1326 	int i, idx, ret = 0;
   1327 	if (!x || !req || (copy_type == EXT_COPY_NONE))
   1328 		return 1;
   1329 	exts = X509_REQ_get_extensions(req);
   1330 
   1331 	for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
   1332 		ext = sk_X509_EXTENSION_value(exts, i);
   1333 		obj = X509_EXTENSION_get_object(ext);
   1334 		idx = X509_get_ext_by_OBJ(x, obj, -1);
   1335 		/* Does extension exist? */
   1336 		if (idx != -1) {
   1337 			/* If normal copy don't override existing extension */
   1338 			if (copy_type == EXT_COPY_ADD)
   1339 				continue;
   1340 			/* Delete all extensions of same type */
   1341 			do {
   1342 				tmpext = X509_get_ext(x, idx);
   1343 				X509_delete_ext(x, idx);
   1344 				X509_EXTENSION_free(tmpext);
   1345 				idx = X509_get_ext_by_OBJ(x, obj, -1);
   1346 			} while (idx != -1);
   1347 		}
   1348 		if (!X509_add_ext(x, ext, -1))
   1349 			goto end;
   1350 	}
   1351 
   1352 	ret = 1;
   1353 
   1354 	end:
   1355 
   1356 	sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
   1357 
   1358 	return ret;
   1359 }
   1360 
   1361 
   1362 
   1363 
   1364 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
   1365 {
   1366 	STACK_OF(CONF_VALUE) *vals;
   1367 	CONF_VALUE *val;
   1368 	int i, ret = 1;
   1369 	if(!arg) return 0;
   1370 	vals = X509V3_parse_list(arg);
   1371 	for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
   1372 		val = sk_CONF_VALUE_value(vals, i);
   1373 		if (!set_table_opts(flags, val->name, in_tbl))
   1374 			ret = 0;
   1375 	}
   1376 	sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
   1377 	return ret;
   1378 }
   1379 
   1380 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
   1381 {
   1382 	char c;
   1383 	const NAME_EX_TBL *ptbl;
   1384 	c = arg[0];
   1385 
   1386 	if(c == '-') {
   1387 		c = 0;
   1388 		arg++;
   1389 	} else if (c == '+') {
   1390 		c = 1;
   1391 		arg++;
   1392 	} else c = 1;
   1393 
   1394 	for(ptbl = in_tbl; ptbl->name; ptbl++) {
   1395 		if(!strcasecmp(arg, ptbl->name)) {
   1396 			*flags &= ~ptbl->mask;
   1397 			if(c) *flags |= ptbl->flag;
   1398 			else *flags &= ~ptbl->flag;
   1399 			return 1;
   1400 		}
   1401 	}
   1402 	return 0;
   1403 }
   1404 
   1405 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
   1406 {
   1407 	char *buf;
   1408 	char mline = 0;
   1409 	int indent = 0;
   1410 
   1411 	if(title) BIO_puts(out, title);
   1412 	if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
   1413 		mline = 1;
   1414 		indent = 4;
   1415 	}
   1416 	if(lflags == XN_FLAG_COMPAT) {
   1417 		buf = X509_NAME_oneline(nm, 0, 0);
   1418 		BIO_puts(out, buf);
   1419 		BIO_puts(out, "\n");
   1420 		OPENSSL_free(buf);
   1421 	} else {
   1422 		if(mline) BIO_puts(out, "\n");
   1423 		X509_NAME_print_ex(out, nm, indent, lflags);
   1424 		BIO_puts(out, "\n");
   1425 	}
   1426 }
   1427 
   1428 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
   1429 {
   1430 	X509_STORE *store;
   1431 	X509_LOOKUP *lookup;
   1432 	if(!(store = X509_STORE_new())) goto end;
   1433 	lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
   1434 	if (lookup == NULL) goto end;
   1435 	if (CAfile) {
   1436 		if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
   1437 			BIO_printf(bp, "Error loading file %s\n", CAfile);
   1438 			goto end;
   1439 		}
   1440 	} else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
   1441 
   1442 	lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
   1443 	if (lookup == NULL) goto end;
   1444 	if (CApath) {
   1445 		if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
   1446 			BIO_printf(bp, "Error loading directory %s\n", CApath);
   1447 			goto end;
   1448 		}
   1449 	} else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
   1450 
   1451 	ERR_clear_error();
   1452 	return store;
   1453 	end:
   1454 	X509_STORE_free(store);
   1455 	return NULL;
   1456 }
   1457 
   1458 #ifndef OPENSSL_NO_ENGINE
   1459 /* Try to load an engine in a shareable library */
   1460 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
   1461 	{
   1462 	ENGINE *e = ENGINE_by_id("dynamic");
   1463 	if (e)
   1464 		{
   1465 		if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
   1466 			|| !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
   1467 			{
   1468 			ENGINE_free(e);
   1469 			e = NULL;
   1470 			}
   1471 		}
   1472 	return e;
   1473 	}
   1474 
   1475 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
   1476         {
   1477         ENGINE *e = NULL;
   1478 
   1479         if (engine)
   1480                 {
   1481 		if(strcmp(engine, "auto") == 0)
   1482 			{
   1483 			BIO_printf(err,"enabling auto ENGINE support\n");
   1484 			ENGINE_register_all_complete();
   1485 			return NULL;
   1486 			}
   1487 		if((e = ENGINE_by_id(engine)) == NULL
   1488 			&& (e = try_load_engine(err, engine, debug)) == NULL)
   1489 			{
   1490 			BIO_printf(err,"invalid engine \"%s\"\n", engine);
   1491 			ERR_print_errors(err);
   1492 			return NULL;
   1493 			}
   1494 		if (debug)
   1495 			{
   1496 			ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
   1497 				0, err, 0);
   1498 			}
   1499                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
   1500 		if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
   1501 			{
   1502 			BIO_printf(err,"can't use that engine\n");
   1503 			ERR_print_errors(err);
   1504 			ENGINE_free(e);
   1505 			return NULL;
   1506 			}
   1507 
   1508 		BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
   1509 
   1510 		/* Free our "structural" reference. */
   1511 		ENGINE_free(e);
   1512 		}
   1513         return e;
   1514         }
   1515 #endif
   1516 
   1517 int load_config(BIO *err, CONF *cnf)
   1518 	{
   1519 	static int load_config_called = 0;
   1520 	if (load_config_called)
   1521 		return 1;
   1522 	load_config_called = 1;
   1523 	if (!cnf)
   1524 		cnf = config;
   1525 	if (!cnf)
   1526 		return 1;
   1527 
   1528 	OPENSSL_load_builtin_modules();
   1529 
   1530 	if (CONF_modules_load(cnf, NULL, 0) <= 0)
   1531 		{
   1532 		BIO_printf(err, "Error configuring OpenSSL\n");
   1533 		ERR_print_errors(err);
   1534 		return 0;
   1535 		}
   1536 	return 1;
   1537 	}
   1538 
   1539 char *make_config_name()
   1540 	{
   1541 	const char *t=X509_get_default_cert_area();
   1542 	size_t len;
   1543 	char *p;
   1544 
   1545 	len=strlen(t)+strlen(OPENSSL_CONF)+2;
   1546 	p=OPENSSL_malloc(len);
   1547 	if (p == NULL)
   1548 		return NULL;
   1549 	BUF_strlcpy(p,t,len);
   1550 #ifndef OPENSSL_SYS_VMS
   1551 	BUF_strlcat(p,"/",len);
   1552 #endif
   1553 	BUF_strlcat(p,OPENSSL_CONF,len);
   1554 
   1555 	return p;
   1556 	}
   1557 
   1558 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
   1559 	{
   1560 	const char *n;
   1561 
   1562 	n=a[DB_serial];
   1563 	while (*n == '0') n++;
   1564 	return(lh_strhash(n));
   1565 	}
   1566 
   1567 static int index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
   1568 	{
   1569 	const char *aa,*bb;
   1570 
   1571 	for (aa=a[DB_serial]; *aa == '0'; aa++);
   1572 	for (bb=b[DB_serial]; *bb == '0'; bb++);
   1573 	return(strcmp(aa,bb));
   1574 	}
   1575 
   1576 static int index_name_qual(char **a)
   1577 	{ return(a[0][0] == 'V'); }
   1578 
   1579 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
   1580 	{ return(lh_strhash(a[DB_name])); }
   1581 
   1582 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
   1583 	{ return(strcmp(a[DB_name], b[DB_name])); }
   1584 
   1585 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
   1586 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
   1587 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
   1588 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
   1589 
   1590 #undef BSIZE
   1591 #define BSIZE 256
   1592 
   1593 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
   1594 	{
   1595 	BIO *in=NULL;
   1596 	BIGNUM *ret=NULL;
   1597 	MS_STATIC char buf[1024];
   1598 	ASN1_INTEGER *ai=NULL;
   1599 
   1600 	ai=ASN1_INTEGER_new();
   1601 	if (ai == NULL) goto err;
   1602 
   1603 	if ((in=BIO_new(BIO_s_file())) == NULL)
   1604 		{
   1605 		ERR_print_errors(bio_err);
   1606 		goto err;
   1607 		}
   1608 
   1609 	if (BIO_read_filename(in,serialfile) <= 0)
   1610 		{
   1611 		if (!create)
   1612 			{
   1613 			perror(serialfile);
   1614 			goto err;
   1615 			}
   1616 		else
   1617 			{
   1618 			ret=BN_new();
   1619 			if (ret == NULL || !rand_serial(ret, ai))
   1620 				BIO_printf(bio_err, "Out of memory\n");
   1621 			}
   1622 		}
   1623 	else
   1624 		{
   1625 		if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
   1626 			{
   1627 			BIO_printf(bio_err,"unable to load number from %s\n",
   1628 				serialfile);
   1629 			goto err;
   1630 			}
   1631 		ret=ASN1_INTEGER_to_BN(ai,NULL);
   1632 		if (ret == NULL)
   1633 			{
   1634 			BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
   1635 			goto err;
   1636 			}
   1637 		}
   1638 
   1639 	if (ret && retai)
   1640 		{
   1641 		*retai = ai;
   1642 		ai = NULL;
   1643 		}
   1644  err:
   1645 	if (in != NULL) BIO_free(in);
   1646 	if (ai != NULL) ASN1_INTEGER_free(ai);
   1647 	return(ret);
   1648 	}
   1649 
   1650 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
   1651 	{
   1652 	char buf[1][BSIZE];
   1653 	BIO *out = NULL;
   1654 	int ret=0;
   1655 	ASN1_INTEGER *ai=NULL;
   1656 	int j;
   1657 
   1658 	if (suffix == NULL)
   1659 		j = strlen(serialfile);
   1660 	else
   1661 		j = strlen(serialfile) + strlen(suffix) + 1;
   1662 	if (j >= BSIZE)
   1663 		{
   1664 		BIO_printf(bio_err,"file name too long\n");
   1665 		goto err;
   1666 		}
   1667 
   1668 	if (suffix == NULL)
   1669 		BUF_strlcpy(buf[0], serialfile, BSIZE);
   1670 	else
   1671 		{
   1672 #ifndef OPENSSL_SYS_VMS
   1673 		j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
   1674 #else
   1675 		j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
   1676 #endif
   1677 		}
   1678 #ifdef RL_DEBUG
   1679 	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
   1680 #endif
   1681 	out=BIO_new(BIO_s_file());
   1682 	if (out == NULL)
   1683 		{
   1684 		ERR_print_errors(bio_err);
   1685 		goto err;
   1686 		}
   1687 	if (BIO_write_filename(out,buf[0]) <= 0)
   1688 		{
   1689 		perror(serialfile);
   1690 		goto err;
   1691 		}
   1692 
   1693 	if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
   1694 		{
   1695 		BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
   1696 		goto err;
   1697 		}
   1698 	i2a_ASN1_INTEGER(out,ai);
   1699 	BIO_puts(out,"\n");
   1700 	ret=1;
   1701 	if (retai)
   1702 		{
   1703 		*retai = ai;
   1704 		ai = NULL;
   1705 		}
   1706 err:
   1707 	if (out != NULL) BIO_free_all(out);
   1708 	if (ai != NULL) ASN1_INTEGER_free(ai);
   1709 	return(ret);
   1710 	}
   1711 
   1712 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
   1713 	{
   1714 	char buf[5][BSIZE];
   1715 	int i,j;
   1716 
   1717 	i = strlen(serialfile) + strlen(old_suffix);
   1718 	j = strlen(serialfile) + strlen(new_suffix);
   1719 	if (i > j) j = i;
   1720 	if (j + 1 >= BSIZE)
   1721 		{
   1722 		BIO_printf(bio_err,"file name too long\n");
   1723 		goto err;
   1724 		}
   1725 
   1726 #ifndef OPENSSL_SYS_VMS
   1727 	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
   1728 		serialfile, new_suffix);
   1729 #else
   1730 	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
   1731 		serialfile, new_suffix);
   1732 #endif
   1733 #ifndef OPENSSL_SYS_VMS
   1734 	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
   1735 		serialfile, old_suffix);
   1736 #else
   1737 	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
   1738 		serialfile, old_suffix);
   1739 #endif
   1740 #ifdef RL_DEBUG
   1741 	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
   1742 		serialfile, buf[1]);
   1743 #endif
   1744 	if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
   1745 #ifdef ENOTDIR
   1746 			&& errno != ENOTDIR
   1747 #endif
   1748 	   )		{
   1749 			BIO_printf(bio_err,
   1750 				"unable to rename %s to %s\n",
   1751 				serialfile, buf[1]);
   1752 			perror("reason");
   1753 			goto err;
   1754 			}
   1755 #ifdef RL_DEBUG
   1756 	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
   1757 		buf[0],serialfile);
   1758 #endif
   1759 	if (rename(buf[0],serialfile) < 0)
   1760 		{
   1761 		BIO_printf(bio_err,
   1762 			"unable to rename %s to %s\n",
   1763 			buf[0],serialfile);
   1764 		perror("reason");
   1765 		rename(buf[1],serialfile);
   1766 		goto err;
   1767 		}
   1768 	return 1;
   1769  err:
   1770 	return 0;
   1771 	}
   1772 
   1773 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
   1774 	{
   1775 	BIGNUM *btmp;
   1776 	int ret = 0;
   1777 	if (b)
   1778 		btmp = b;
   1779 	else
   1780 		btmp = BN_new();
   1781 
   1782 	if (!btmp)
   1783 		return 0;
   1784 
   1785 	if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
   1786 		goto error;
   1787 	if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
   1788 		goto error;
   1789 
   1790 	ret = 1;
   1791 
   1792 	error:
   1793 
   1794 	if (!b)
   1795 		BN_free(btmp);
   1796 
   1797 	return ret;
   1798 	}
   1799 
   1800 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
   1801 	{
   1802 	CA_DB *retdb = NULL;
   1803 	TXT_DB *tmpdb = NULL;
   1804 	BIO *in = BIO_new(BIO_s_file());
   1805 	CONF *dbattr_conf = NULL;
   1806 	char buf[1][BSIZE];
   1807 	long errorline= -1;
   1808 
   1809 	if (in == NULL)
   1810 		{
   1811 		ERR_print_errors(bio_err);
   1812 		goto err;
   1813 		}
   1814 	if (BIO_read_filename(in,dbfile) <= 0)
   1815 		{
   1816 		perror(dbfile);
   1817 		BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
   1818 		goto err;
   1819 		}
   1820 	if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
   1821 		goto err;
   1822 
   1823 #ifndef OPENSSL_SYS_VMS
   1824 	BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
   1825 #else
   1826 	BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
   1827 #endif
   1828 	dbattr_conf = NCONF_new(NULL);
   1829 	if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
   1830 		{
   1831 		if (errorline > 0)
   1832 			{
   1833 			BIO_printf(bio_err,
   1834 				"error on line %ld of db attribute file '%s'\n"
   1835 				,errorline,buf[0]);
   1836 			goto err;
   1837 			}
   1838 		else
   1839 			{
   1840 			NCONF_free(dbattr_conf);
   1841 			dbattr_conf = NULL;
   1842 			}
   1843 		}
   1844 
   1845 	if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
   1846 		{
   1847 		fprintf(stderr, "Out of memory\n");
   1848 		goto err;
   1849 		}
   1850 
   1851 	retdb->db = tmpdb;
   1852 	tmpdb = NULL;
   1853 	if (db_attr)
   1854 		retdb->attributes = *db_attr;
   1855 	else
   1856 		{
   1857 		retdb->attributes.unique_subject = 1;
   1858 		}
   1859 
   1860 	if (dbattr_conf)
   1861 		{
   1862 		char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
   1863 		if (p)
   1864 			{
   1865 #ifdef RL_DEBUG
   1866 			BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
   1867 #endif
   1868 			retdb->attributes.unique_subject = parse_yesno(p,1);
   1869 			}
   1870 		}
   1871 
   1872  err:
   1873 	if (dbattr_conf) NCONF_free(dbattr_conf);
   1874 	if (tmpdb) TXT_DB_free(tmpdb);
   1875 	if (in) BIO_free_all(in);
   1876 	return retdb;
   1877 	}
   1878 
   1879 int index_index(CA_DB *db)
   1880 	{
   1881 	if (!TXT_DB_create_index(db->db, DB_serial, NULL,
   1882 				LHASH_HASH_FN(index_serial),
   1883 				LHASH_COMP_FN(index_serial)))
   1884 		{
   1885 		BIO_printf(bio_err,
   1886 		  "error creating serial number index:(%ld,%ld,%ld)\n",
   1887 		  			db->db->error,db->db->arg1,db->db->arg2);
   1888 			return 0;
   1889 		}
   1890 
   1891 	if (db->attributes.unique_subject
   1892 		&& !TXT_DB_create_index(db->db, DB_name, index_name_qual,
   1893 			LHASH_HASH_FN(index_name),
   1894 			LHASH_COMP_FN(index_name)))
   1895 		{
   1896 		BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
   1897 			db->db->error,db->db->arg1,db->db->arg2);
   1898 		return 0;
   1899 		}
   1900 	return 1;
   1901 	}
   1902 
   1903 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
   1904 	{
   1905 	char buf[3][BSIZE];
   1906 	BIO *out = BIO_new(BIO_s_file());
   1907 	int j;
   1908 
   1909 	if (out == NULL)
   1910 		{
   1911 		ERR_print_errors(bio_err);
   1912 		goto err;
   1913 		}
   1914 
   1915 	j = strlen(dbfile) + strlen(suffix);
   1916 	if (j + 6 >= BSIZE)
   1917 		{
   1918 		BIO_printf(bio_err,"file name too long\n");
   1919 		goto err;
   1920 		}
   1921 
   1922 #ifndef OPENSSL_SYS_VMS
   1923 	j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
   1924 #else
   1925 	j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
   1926 #endif
   1927 #ifndef OPENSSL_SYS_VMS
   1928 	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
   1929 #else
   1930 	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
   1931 #endif
   1932 #ifndef OPENSSL_SYS_VMS
   1933 	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
   1934 #else
   1935 	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
   1936 #endif
   1937 #ifdef RL_DEBUG
   1938 	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
   1939 #endif
   1940 	if (BIO_write_filename(out,buf[0]) <= 0)
   1941 		{
   1942 		perror(dbfile);
   1943 		BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
   1944 		goto err;
   1945 		}
   1946 	j=TXT_DB_write(out,db->db);
   1947 	if (j <= 0) goto err;
   1948 
   1949 	BIO_free(out);
   1950 
   1951 	out = BIO_new(BIO_s_file());
   1952 #ifdef RL_DEBUG
   1953 	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
   1954 #endif
   1955 	if (BIO_write_filename(out,buf[1]) <= 0)
   1956 		{
   1957 		perror(buf[2]);
   1958 		BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
   1959 		goto err;
   1960 		}
   1961 	BIO_printf(out,"unique_subject = %s\n",
   1962 		db->attributes.unique_subject ? "yes" : "no");
   1963 	BIO_free(out);
   1964 
   1965 	return 1;
   1966  err:
   1967 	return 0;
   1968 	}
   1969 
   1970 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
   1971 	{
   1972 	char buf[5][BSIZE];
   1973 	int i,j;
   1974 
   1975 	i = strlen(dbfile) + strlen(old_suffix);
   1976 	j = strlen(dbfile) + strlen(new_suffix);
   1977 	if (i > j) j = i;
   1978 	if (j + 6 >= BSIZE)
   1979 		{
   1980 		BIO_printf(bio_err,"file name too long\n");
   1981 		goto err;
   1982 		}
   1983 
   1984 #ifndef OPENSSL_SYS_VMS
   1985 	j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
   1986 #else
   1987 	j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
   1988 #endif
   1989 #ifndef OPENSSL_SYS_VMS
   1990 	j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
   1991 		dbfile, new_suffix);
   1992 #else
   1993 	j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
   1994 		dbfile, new_suffix);
   1995 #endif
   1996 #ifndef OPENSSL_SYS_VMS
   1997 	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
   1998 		dbfile, new_suffix);
   1999 #else
   2000 	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
   2001 		dbfile, new_suffix);
   2002 #endif
   2003 #ifndef OPENSSL_SYS_VMS
   2004 	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
   2005 		dbfile, old_suffix);
   2006 #else
   2007 	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
   2008 		dbfile, old_suffix);
   2009 #endif
   2010 #ifndef OPENSSL_SYS_VMS
   2011 	j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
   2012 		dbfile, old_suffix);
   2013 #else
   2014 	j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
   2015 		dbfile, old_suffix);
   2016 #endif
   2017 #ifdef RL_DEBUG
   2018 	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
   2019 		dbfile, buf[1]);
   2020 #endif
   2021 	if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
   2022 #ifdef ENOTDIR
   2023 		&& errno != ENOTDIR
   2024 #endif
   2025 	   )		{
   2026 			BIO_printf(bio_err,
   2027 				"unable to rename %s to %s\n",
   2028 				dbfile, buf[1]);
   2029 			perror("reason");
   2030 			goto err;
   2031 			}
   2032 #ifdef RL_DEBUG
   2033 	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
   2034 		buf[0],dbfile);
   2035 #endif
   2036 	if (rename(buf[0],dbfile) < 0)
   2037 		{
   2038 		BIO_printf(bio_err,
   2039 			"unable to rename %s to %s\n",
   2040 			buf[0],dbfile);
   2041 		perror("reason");
   2042 		rename(buf[1],dbfile);
   2043 		goto err;
   2044 		}
   2045 #ifdef RL_DEBUG
   2046 	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
   2047 		buf[4],buf[3]);
   2048 #endif
   2049 	if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
   2050 #ifdef ENOTDIR
   2051 		&& errno != ENOTDIR
   2052 #endif
   2053 	   )		{
   2054 			BIO_printf(bio_err,
   2055 				"unable to rename %s to %s\n",
   2056 				buf[4], buf[3]);
   2057 			perror("reason");
   2058 			rename(dbfile,buf[0]);
   2059 			rename(buf[1],dbfile);
   2060 			goto err;
   2061 			}
   2062 #ifdef RL_DEBUG
   2063 	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
   2064 		buf[2],buf[4]);
   2065 #endif
   2066 	if (rename(buf[2],buf[4]) < 0)
   2067 		{
   2068 		BIO_printf(bio_err,
   2069 			"unable to rename %s to %s\n",
   2070 			buf[2],buf[4]);
   2071 		perror("reason");
   2072 		rename(buf[3],buf[4]);
   2073 		rename(dbfile,buf[0]);
   2074 		rename(buf[1],dbfile);
   2075 		goto err;
   2076 		}
   2077 	return 1;
   2078  err:
   2079 	return 0;
   2080 	}
   2081 
   2082 void free_index(CA_DB *db)
   2083 	{
   2084 	if (db)
   2085 		{
   2086 		if (db->db) TXT_DB_free(db->db);
   2087 		OPENSSL_free(db);
   2088 		}
   2089 	}
   2090 
   2091 int parse_yesno(const char *str, int def)
   2092 	{
   2093 	int ret = def;
   2094 	if (str)
   2095 		{
   2096 		switch (*str)
   2097 			{
   2098 		case 'f': /* false */
   2099 		case 'F': /* FALSE */
   2100 		case 'n': /* no */
   2101 		case 'N': /* NO */
   2102 		case '0': /* 0 */
   2103 			ret = 0;
   2104 			break;
   2105 		case 't': /* true */
   2106 		case 'T': /* TRUE */
   2107 		case 'y': /* yes */
   2108 		case 'Y': /* YES */
   2109 		case '1': /* 1 */
   2110 			ret = 1;
   2111 			break;
   2112 		default:
   2113 			ret = def;
   2114 			break;
   2115 			}
   2116 		}
   2117 	return ret;
   2118 	}
   2119 
   2120 /*
   2121  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
   2122  * where characters may be escaped by \
   2123  */
   2124 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
   2125 	{
   2126 	size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
   2127 	char *buf = OPENSSL_malloc(buflen);
   2128 	size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
   2129 	char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
   2130 	char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
   2131 	int *mval = OPENSSL_malloc (max_ne * sizeof (int));
   2132 
   2133 	char *sp = subject, *bp = buf;
   2134 	int i, ne_num = 0;
   2135 
   2136 	X509_NAME *n = NULL;
   2137 	int nid;
   2138 
   2139 	if (!buf || !ne_types || !ne_values || !mval)
   2140 		{
   2141 		BIO_printf(bio_err, "malloc error\n");
   2142 		goto error;
   2143 		}
   2144 
   2145 	if (*subject != '/')
   2146 		{
   2147 		BIO_printf(bio_err, "Subject does not start with '/'.\n");
   2148 		goto error;
   2149 		}
   2150 	sp++; /* skip leading / */
   2151 
   2152 	/* no multivalued RDN by default */
   2153 	mval[ne_num] = 0;
   2154 
   2155 	while (*sp)
   2156 		{
   2157 		/* collect type */
   2158 		ne_types[ne_num] = bp;
   2159 		while (*sp)
   2160 			{
   2161 			if (*sp == '\\') /* is there anything to escape in the type...? */
   2162 				{
   2163 				if (*++sp)
   2164 					*bp++ = *sp++;
   2165 				else
   2166 					{
   2167 					BIO_printf(bio_err, "escape character at end of string\n");
   2168 					goto error;
   2169 					}
   2170 				}
   2171 			else if (*sp == '=')
   2172 				{
   2173 				sp++;
   2174 				*bp++ = '\0';
   2175 				break;
   2176 				}
   2177 			else
   2178 				*bp++ = *sp++;
   2179 			}
   2180 		if (!*sp)
   2181 			{
   2182 			BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
   2183 			goto error;
   2184 			}
   2185 		ne_values[ne_num] = bp;
   2186 		while (*sp)
   2187 			{
   2188 			if (*sp == '\\')
   2189 				{
   2190 				if (*++sp)
   2191 					*bp++ = *sp++;
   2192 				else
   2193 					{
   2194 					BIO_printf(bio_err, "escape character at end of string\n");
   2195 					goto error;
   2196 					}
   2197 				}
   2198 			else if (*sp == '/')
   2199 				{
   2200 				sp++;
   2201 				/* no multivalued RDN by default */
   2202 				mval[ne_num+1] = 0;
   2203 				break;
   2204 				}
   2205 			else if (*sp == '+' && multirdn)
   2206 				{
   2207 				/* a not escaped + signals a mutlivalued RDN */
   2208 				sp++;
   2209 				mval[ne_num+1] = -1;
   2210 				break;
   2211 				}
   2212 			else
   2213 				*bp++ = *sp++;
   2214 			}
   2215 		*bp++ = '\0';
   2216 		ne_num++;
   2217 		}
   2218 
   2219 	if (!(n = X509_NAME_new()))
   2220 		goto error;
   2221 
   2222 	for (i = 0; i < ne_num; i++)
   2223 		{
   2224 		if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
   2225 			{
   2226 			BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
   2227 			continue;
   2228 			}
   2229 
   2230 		if (!*ne_values[i])
   2231 			{
   2232 			BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
   2233 			continue;
   2234 			}
   2235 
   2236 		if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
   2237 			goto error;
   2238 		}
   2239 
   2240 	OPENSSL_free(ne_values);
   2241 	OPENSSL_free(ne_types);
   2242 	OPENSSL_free(buf);
   2243 	OPENSSL_free(mval);
   2244 	return n;
   2245 
   2246 error:
   2247 	X509_NAME_free(n);
   2248 	if (ne_values)
   2249 		OPENSSL_free(ne_values);
   2250 	if (ne_types)
   2251 		OPENSSL_free(ne_types);
   2252 	if (mval)
   2253 		OPENSSL_free(mval);
   2254 	if (buf)
   2255 		OPENSSL_free(buf);
   2256 	return NULL;
   2257 }
   2258 
   2259 int args_verify(char ***pargs, int *pargc,
   2260 			int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
   2261 	{
   2262 	ASN1_OBJECT *otmp = NULL;
   2263 	unsigned long flags = 0;
   2264 	int i;
   2265 	int purpose = 0, depth = -1;
   2266 	char **oldargs = *pargs;
   2267 	char *arg = **pargs, *argn = (*pargs)[1];
   2268 	time_t at_time = 0;
   2269 	if (!strcmp(arg, "-policy"))
   2270 		{
   2271 		if (!argn)
   2272 			*badarg = 1;
   2273 		else
   2274 			{
   2275 			otmp = OBJ_txt2obj(argn, 0);
   2276 			if (!otmp)
   2277 				{
   2278 				BIO_printf(err, "Invalid Policy \"%s\"\n",
   2279 									argn);
   2280 				*badarg = 1;
   2281 				}
   2282 			}
   2283 		(*pargs)++;
   2284 		}
   2285 	else if (strcmp(arg,"-purpose") == 0)
   2286 		{
   2287 		X509_PURPOSE *xptmp;
   2288 		if (!argn)
   2289 			*badarg = 1;
   2290 		else
   2291 			{
   2292 			i = X509_PURPOSE_get_by_sname(argn);
   2293 			if(i < 0)
   2294 				{
   2295 				BIO_printf(err, "unrecognized purpose\n");
   2296 				*badarg = 1;
   2297 				}
   2298 			else
   2299 				{
   2300 				xptmp = X509_PURPOSE_get0(i);
   2301 				purpose = X509_PURPOSE_get_id(xptmp);
   2302 				}
   2303 			}
   2304 		(*pargs)++;
   2305 		}
   2306 	else if (strcmp(arg,"-verify_depth") == 0)
   2307 		{
   2308 		if (!argn)
   2309 			*badarg = 1;
   2310 		else
   2311 			{
   2312 			depth = atoi(argn);
   2313 			if(depth < 0)
   2314 				{
   2315 				BIO_printf(err, "invalid depth\n");
   2316 				*badarg = 1;
   2317 				}
   2318 			}
   2319 		(*pargs)++;
   2320 		}
   2321 	else if (strcmp(arg,"-attime") == 0)
   2322 		{
   2323 		if (!argn)
   2324 			*badarg = 1;
   2325 		else
   2326 			{
   2327 			long timestamp;
   2328 			/* interpret the -attime argument as seconds since
   2329 			 * Epoch */
   2330 			if (sscanf(argn, "%li", &timestamp) != 1)
   2331 				{
   2332 				BIO_printf(bio_err,
   2333 						"Error parsing timestamp %s\n",
   2334 					   	argn);
   2335 				*badarg = 1;
   2336 				}
   2337 			/* on some platforms time_t may be a float */
   2338 			at_time = (time_t) timestamp;
   2339 			}
   2340 		(*pargs)++;
   2341 		}
   2342 	else if (!strcmp(arg, "-ignore_critical"))
   2343 		flags |= X509_V_FLAG_IGNORE_CRITICAL;
   2344 	else if (!strcmp(arg, "-issuer_checks"))
   2345 		flags |= X509_V_FLAG_CB_ISSUER_CHECK;
   2346 	else if (!strcmp(arg, "-crl_check"))
   2347 		flags |=  X509_V_FLAG_CRL_CHECK;
   2348 	else if (!strcmp(arg, "-crl_check_all"))
   2349 		flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
   2350 	else if (!strcmp(arg, "-policy_check"))
   2351 		flags |= X509_V_FLAG_POLICY_CHECK;
   2352 	else if (!strcmp(arg, "-explicit_policy"))
   2353 		flags |= X509_V_FLAG_EXPLICIT_POLICY;
   2354 	else if (!strcmp(arg, "-inhibit_any"))
   2355 		flags |= X509_V_FLAG_INHIBIT_ANY;
   2356 	else if (!strcmp(arg, "-inhibit_map"))
   2357 		flags |= X509_V_FLAG_INHIBIT_MAP;
   2358 	else if (!strcmp(arg, "-x509_strict"))
   2359 		flags |= X509_V_FLAG_X509_STRICT;
   2360 	else if (!strcmp(arg, "-extended_crl"))
   2361 		flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
   2362 	else if (!strcmp(arg, "-use_deltas"))
   2363 		flags |= X509_V_FLAG_USE_DELTAS;
   2364 	else if (!strcmp(arg, "-policy_print"))
   2365 		flags |= X509_V_FLAG_NOTIFY_POLICY;
   2366 	else if (!strcmp(arg, "-check_ss_sig"))
   2367 		flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
   2368 	else
   2369 		return 0;
   2370 
   2371 	if (*badarg)
   2372 		{
   2373 		if (*pm)
   2374 			X509_VERIFY_PARAM_free(*pm);
   2375 		*pm = NULL;
   2376 		goto end;
   2377 		}
   2378 
   2379 	if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
   2380 		{
   2381 		*badarg = 1;
   2382 		goto end;
   2383 		}
   2384 
   2385 	if (otmp)
   2386 		X509_VERIFY_PARAM_add0_policy(*pm, otmp);
   2387 	if (flags)
   2388 		X509_VERIFY_PARAM_set_flags(*pm, flags);
   2389 
   2390 	if (purpose)
   2391 		X509_VERIFY_PARAM_set_purpose(*pm, purpose);
   2392 
   2393 	if (depth >= 0)
   2394 		X509_VERIFY_PARAM_set_depth(*pm, depth);
   2395 
   2396 	if (at_time)
   2397 		X509_VERIFY_PARAM_set_time(*pm, at_time);
   2398 
   2399 	end:
   2400 
   2401 	(*pargs)++;
   2402 
   2403 	if (pargc)
   2404 		*pargc -= *pargs - oldargs;
   2405 
   2406 	return 1;
   2407 
   2408 	}
   2409 
   2410 /* Read whole contents of a BIO into an allocated memory buffer and
   2411  * return it.
   2412  */
   2413 
   2414 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
   2415 	{
   2416 	BIO *mem;
   2417 	int len, ret;
   2418 	unsigned char tbuf[1024];
   2419 	mem = BIO_new(BIO_s_mem());
   2420 	if (!mem)
   2421 		return -1;
   2422 	for(;;)
   2423 		{
   2424 		if ((maxlen != -1) && maxlen < 1024)
   2425 			len = maxlen;
   2426 		else
   2427 			len = 1024;
   2428 		len = BIO_read(in, tbuf, len);
   2429 		if (len <= 0)
   2430 			break;
   2431 		if (BIO_write(mem, tbuf, len) != len)
   2432 			{
   2433 			BIO_free(mem);
   2434 			return -1;
   2435 			}
   2436 		maxlen -= len;
   2437 
   2438 		if (maxlen == 0)
   2439 			break;
   2440 		}
   2441 	ret = BIO_get_mem_data(mem, (char **)out);
   2442 	BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
   2443 	BIO_free(mem);
   2444 	return ret;
   2445 	}
   2446 
   2447 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
   2448 	{
   2449 	int rv;
   2450 	char *stmp, *vtmp = NULL;
   2451 	stmp = BUF_strdup(value);
   2452 	if (!stmp)
   2453 		return -1;
   2454 	vtmp = strchr(stmp, ':');
   2455 	if (vtmp)
   2456 		{
   2457 		*vtmp = 0;
   2458 		vtmp++;
   2459 		}
   2460 	rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
   2461 	OPENSSL_free(stmp);
   2462 	return rv;
   2463 	}
   2464 
   2465 static void nodes_print(BIO *out, const char *name,
   2466 	STACK_OF(X509_POLICY_NODE) *nodes)
   2467 	{
   2468 	X509_POLICY_NODE *node;
   2469 	int i;
   2470 	BIO_printf(out, "%s Policies:", name);
   2471 	if (nodes)
   2472 		{
   2473 		BIO_puts(out, "\n");
   2474 		for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
   2475 			{
   2476 			node = sk_X509_POLICY_NODE_value(nodes, i);
   2477 			X509_POLICY_NODE_print(out, node, 2);
   2478 			}
   2479 		}
   2480 	else
   2481 		BIO_puts(out, " <empty>\n");
   2482 	}
   2483 
   2484 void policies_print(BIO *out, X509_STORE_CTX *ctx)
   2485 	{
   2486 	X509_POLICY_TREE *tree;
   2487 	int explicit_policy;
   2488 	int free_out = 0;
   2489 	if (out == NULL)
   2490 		{
   2491 		out = BIO_new_fp(stderr, BIO_NOCLOSE);
   2492 		free_out = 1;
   2493 		}
   2494 	tree = X509_STORE_CTX_get0_policy_tree(ctx);
   2495 	explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
   2496 
   2497 	BIO_printf(out, "Require explicit Policy: %s\n",
   2498 				explicit_policy ? "True" : "False");
   2499 
   2500 	nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
   2501 	nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
   2502 	if (free_out)
   2503 		BIO_free(out);
   2504 	}
   2505 
   2506 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
   2507 
   2508 static JPAKE_CTX *jpake_init(const char *us, const char *them,
   2509 							 const char *secret)
   2510 	{
   2511 	BIGNUM *p = NULL;
   2512 	BIGNUM *g = NULL;
   2513 	BIGNUM *q = NULL;
   2514 	BIGNUM *bnsecret = BN_new();
   2515 	JPAKE_CTX *ctx;
   2516 
   2517 	/* Use a safe prime for p (that we found earlier) */
   2518 	BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
   2519 	g = BN_new();
   2520 	BN_set_word(g, 2);
   2521 	q = BN_new();
   2522 	BN_rshift1(q, p);
   2523 
   2524 	BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
   2525 
   2526 	ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
   2527 	BN_free(bnsecret);
   2528 	BN_free(q);
   2529 	BN_free(g);
   2530 	BN_free(p);
   2531 
   2532 	return ctx;
   2533 	}
   2534 
   2535 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
   2536 	{
   2537 	BN_print(conn, p->gx);
   2538 	BIO_puts(conn, "\n");
   2539 	BN_print(conn, p->zkpx.gr);
   2540 	BIO_puts(conn, "\n");
   2541 	BN_print(conn, p->zkpx.b);
   2542 	BIO_puts(conn, "\n");
   2543 	}
   2544 
   2545 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
   2546 	{
   2547 	JPAKE_STEP1 s1;
   2548 
   2549 	JPAKE_STEP1_init(&s1);
   2550 	JPAKE_STEP1_generate(&s1, ctx);
   2551 	jpake_send_part(bconn, &s1.p1);
   2552 	jpake_send_part(bconn, &s1.p2);
   2553 	(void)BIO_flush(bconn);
   2554 	JPAKE_STEP1_release(&s1);
   2555 	}
   2556 
   2557 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
   2558 	{
   2559 	JPAKE_STEP2 s2;
   2560 
   2561 	JPAKE_STEP2_init(&s2);
   2562 	JPAKE_STEP2_generate(&s2, ctx);
   2563 	jpake_send_part(bconn, &s2);
   2564 	(void)BIO_flush(bconn);
   2565 	JPAKE_STEP2_release(&s2);
   2566 	}
   2567 
   2568 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
   2569 	{
   2570 	JPAKE_STEP3A s3a;
   2571 
   2572 	JPAKE_STEP3A_init(&s3a);
   2573 	JPAKE_STEP3A_generate(&s3a, ctx);
   2574 	BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
   2575 	(void)BIO_flush(bconn);
   2576 	JPAKE_STEP3A_release(&s3a);
   2577 	}
   2578 
   2579 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
   2580 	{
   2581 	JPAKE_STEP3B s3b;
   2582 
   2583 	JPAKE_STEP3B_init(&s3b);
   2584 	JPAKE_STEP3B_generate(&s3b, ctx);
   2585 	BIO_write(bconn, s3b.hk, sizeof s3b.hk);
   2586 	(void)BIO_flush(bconn);
   2587 	JPAKE_STEP3B_release(&s3b);
   2588 	}
   2589 
   2590 static void readbn(BIGNUM **bn, BIO *bconn)
   2591 	{
   2592 	char buf[10240];
   2593 	int l;
   2594 
   2595 	l = BIO_gets(bconn, buf, sizeof buf);
   2596 	assert(l > 0);
   2597 	assert(buf[l-1] == '\n');
   2598 	buf[l-1] = '\0';
   2599 	BN_hex2bn(bn, buf);
   2600 	}
   2601 
   2602 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
   2603 	{
   2604 	readbn(&p->gx, bconn);
   2605 	readbn(&p->zkpx.gr, bconn);
   2606 	readbn(&p->zkpx.b, bconn);
   2607 	}
   2608 
   2609 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
   2610 	{
   2611 	JPAKE_STEP1 s1;
   2612 
   2613 	JPAKE_STEP1_init(&s1);
   2614 	jpake_receive_part(&s1.p1, bconn);
   2615 	jpake_receive_part(&s1.p2, bconn);
   2616 	if(!JPAKE_STEP1_process(ctx, &s1))
   2617 		{
   2618 		ERR_print_errors(bio_err);
   2619 		exit(1);
   2620 		}
   2621 	JPAKE_STEP1_release(&s1);
   2622 	}
   2623 
   2624 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
   2625 	{
   2626 	JPAKE_STEP2 s2;
   2627 
   2628 	JPAKE_STEP2_init(&s2);
   2629 	jpake_receive_part(&s2, bconn);
   2630 	if(!JPAKE_STEP2_process(ctx, &s2))
   2631 		{
   2632 		ERR_print_errors(bio_err);
   2633 		exit(1);
   2634 		}
   2635 	JPAKE_STEP2_release(&s2);
   2636 	}
   2637 
   2638 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
   2639 	{
   2640 	JPAKE_STEP3A s3a;
   2641 	int l;
   2642 
   2643 	JPAKE_STEP3A_init(&s3a);
   2644 	l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
   2645 	assert(l == sizeof s3a.hhk);
   2646 	if(!JPAKE_STEP3A_process(ctx, &s3a))
   2647 		{
   2648 		ERR_print_errors(bio_err);
   2649 		exit(1);
   2650 		}
   2651 	JPAKE_STEP3A_release(&s3a);
   2652 	}
   2653 
   2654 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
   2655 	{
   2656 	JPAKE_STEP3B s3b;
   2657 	int l;
   2658 
   2659 	JPAKE_STEP3B_init(&s3b);
   2660 	l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
   2661 	assert(l == sizeof s3b.hk);
   2662 	if(!JPAKE_STEP3B_process(ctx, &s3b))
   2663 		{
   2664 		ERR_print_errors(bio_err);
   2665 		exit(1);
   2666 		}
   2667 	JPAKE_STEP3B_release(&s3b);
   2668 	}
   2669 
   2670 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
   2671 	{
   2672 	JPAKE_CTX *ctx;
   2673 	BIO *bconn;
   2674 
   2675 	BIO_puts(out, "Authenticating with JPAKE\n");
   2676 
   2677 	ctx = jpake_init("client", "server", secret);
   2678 
   2679 	bconn = BIO_new(BIO_f_buffer());
   2680 	BIO_push(bconn, conn);
   2681 
   2682 	jpake_send_step1(bconn, ctx);
   2683 	jpake_receive_step1(ctx, bconn);
   2684 	jpake_send_step2(bconn, ctx);
   2685 	jpake_receive_step2(ctx, bconn);
   2686 	jpake_send_step3a(bconn, ctx);
   2687 	jpake_receive_step3b(ctx, bconn);
   2688 
   2689 	BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
   2690 
   2691 	psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
   2692 
   2693 	BIO_pop(bconn);
   2694 	BIO_free(bconn);
   2695 
   2696 	JPAKE_CTX_free(ctx);
   2697 	}
   2698 
   2699 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
   2700 	{
   2701 	JPAKE_CTX *ctx;
   2702 	BIO *bconn;
   2703 
   2704 	BIO_puts(out, "Authenticating with JPAKE\n");
   2705 
   2706 	ctx = jpake_init("server", "client", secret);
   2707 
   2708 	bconn = BIO_new(BIO_f_buffer());
   2709 	BIO_push(bconn, conn);
   2710 
   2711 	jpake_receive_step1(ctx, bconn);
   2712 	jpake_send_step1(bconn, ctx);
   2713 	jpake_receive_step2(ctx, bconn);
   2714 	jpake_send_step2(bconn, ctx);
   2715 	jpake_receive_step3a(ctx, bconn);
   2716 	jpake_send_step3b(bconn, ctx);
   2717 
   2718 	BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
   2719 
   2720 	psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
   2721 
   2722 	BIO_pop(bconn);
   2723 	BIO_free(bconn);
   2724 
   2725 	JPAKE_CTX_free(ctx);
   2726 	}
   2727 
   2728 #endif
   2729 
   2730 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
   2731 /* next_protos_parse parses a comma separated list of strings into a string
   2732  * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
   2733  *   outlen: (output) set to the length of the resulting buffer on success.
   2734  *   err: (maybe NULL) on failure, an error message line is written to this BIO.
   2735  *   in: a NUL termianted string like "abc,def,ghi"
   2736  *
   2737  *   returns: a malloced buffer or NULL on failure.
   2738  */
   2739 unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
   2740 	{
   2741 	size_t len;
   2742 	unsigned char *out;
   2743 	size_t i, start = 0;
   2744 
   2745 	len = strlen(in);
   2746 	if (len >= 65535)
   2747 		return NULL;
   2748 
   2749 	out = OPENSSL_malloc(strlen(in) + 1);
   2750 	if (!out)
   2751 		return NULL;
   2752 
   2753 	for (i = 0; i <= len; ++i)
   2754 		{
   2755 		if (i == len || in[i] == ',')
   2756 			{
   2757 			if (i - start > 255)
   2758 				{
   2759 				OPENSSL_free(out);
   2760 				return NULL;
   2761 				}
   2762 			out[start] = i - start;
   2763 			start = i + 1;
   2764 			}
   2765 		else
   2766 			out[i+1] = in[i];
   2767 		}
   2768 
   2769 	*outlen = len + 1;
   2770 	return out;
   2771 	}
   2772 #endif  /* !OPENSSL_NO_TLSEXT && !OPENSSL_NO_NEXTPROTONEG */
   2773 
   2774 /*
   2775  * Platform-specific sections
   2776  */
   2777 #if defined(_WIN32)
   2778 # ifdef fileno
   2779 #  undef fileno
   2780 #  define fileno(a) (int)_fileno(a)
   2781 # endif
   2782 
   2783 # include <windows.h>
   2784 # include <tchar.h>
   2785 
   2786 static int WIN32_rename(const char *from, const char *to)
   2787 	{
   2788 	TCHAR  *tfrom=NULL,*tto;
   2789 	DWORD	err;
   2790 	int	ret=0;
   2791 
   2792 	if (sizeof(TCHAR) == 1)
   2793 		{
   2794 		tfrom = (TCHAR *)from;
   2795 		tto   = (TCHAR *)to;
   2796 		}
   2797 	else	/* UNICODE path */
   2798 		{
   2799 		size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
   2800 		tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
   2801 		if (tfrom==NULL) goto err;
   2802 		tto=tfrom+flen;
   2803 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
   2804 		if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
   2805 #endif
   2806 			for (i=0;i<flen;i++)	tfrom[i]=(TCHAR)from[i];
   2807 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
   2808 		if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
   2809 #endif
   2810 			for (i=0;i<tlen;i++)	tto[i]  =(TCHAR)to[i];
   2811 		}
   2812 
   2813 	if (MoveFile(tfrom,tto))	goto ok;
   2814 	err=GetLastError();
   2815 	if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
   2816 		{
   2817 		if (DeleteFile(tto) && MoveFile(tfrom,tto))
   2818 			goto ok;
   2819 		err=GetLastError();
   2820 		}
   2821 	if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
   2822 		errno = ENOENT;
   2823 	else if (err==ERROR_ACCESS_DENIED)
   2824 		errno = EACCES;
   2825 	else
   2826 		errno = EINVAL;	/* we could map more codes... */
   2827 err:
   2828 	ret=-1;
   2829 ok:
   2830 	if (tfrom!=NULL && tfrom!=(TCHAR *)from)	free(tfrom);
   2831 	return ret;
   2832 	}
   2833 #endif
   2834 
   2835 /* app_tminterval section */
   2836 #if defined(_WIN32)
   2837 double app_tminterval(int stop,int usertime)
   2838 	{
   2839 	FILETIME		now;
   2840 	double			ret=0;
   2841 	static ULARGE_INTEGER	tmstart;
   2842 	static int		warning=1;
   2843 #ifdef _WIN32_WINNT
   2844 	static HANDLE		proc=NULL;
   2845 
   2846 	if (proc==NULL)
   2847 		{
   2848 		if (check_winnt())
   2849 			proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
   2850 						GetCurrentProcessId());
   2851 		if (proc==NULL) proc = (HANDLE)-1;
   2852 		}
   2853 
   2854 	if (usertime && proc!=(HANDLE)-1)
   2855 		{
   2856 		FILETIME junk;
   2857 		GetProcessTimes(proc,&junk,&junk,&junk,&now);
   2858 		}
   2859 	else
   2860 #endif
   2861 		{
   2862 		SYSTEMTIME systime;
   2863 
   2864 		if (usertime && warning)
   2865 			{
   2866 			BIO_printf(bio_err,"To get meaningful results, run "
   2867 					   "this program on idle system.\n");
   2868 			warning=0;
   2869 			}
   2870 		GetSystemTime(&systime);
   2871 		SystemTimeToFileTime(&systime,&now);
   2872 		}
   2873 
   2874 	if (stop==TM_START)
   2875 		{
   2876 		tmstart.u.LowPart  = now.dwLowDateTime;
   2877 		tmstart.u.HighPart = now.dwHighDateTime;
   2878 		}
   2879 	else	{
   2880 		ULARGE_INTEGER tmstop;
   2881 
   2882 		tmstop.u.LowPart   = now.dwLowDateTime;
   2883 		tmstop.u.HighPart  = now.dwHighDateTime;
   2884 
   2885 		ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
   2886 		}
   2887 
   2888 	return (ret);
   2889 	}
   2890 
   2891 #elif defined(OPENSSL_SYS_NETWARE)
   2892 #include <time.h>
   2893 
   2894 double app_tminterval(int stop,int usertime)
   2895 	{
   2896 	double		ret=0;
   2897 	static clock_t	tmstart;
   2898 	static int	warning=1;
   2899 
   2900 	if (usertime && warning)
   2901 		{
   2902 		BIO_printf(bio_err,"To get meaningful results, run "
   2903 				   "this program on idle system.\n");
   2904 		warning=0;
   2905 		}
   2906 
   2907 	if (stop==TM_START)	tmstart = clock();
   2908 	else			ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
   2909 
   2910 	return (ret);
   2911 	}
   2912 
   2913 #elif defined(OPENSSL_SYSTEM_VXWORKS)
   2914 #include <time.h>
   2915 
   2916 double app_tminterval(int stop,int usertime)
   2917 	{
   2918 	double ret=0;
   2919 #ifdef CLOCK_REALTIME
   2920 	static struct timespec	tmstart;
   2921 	struct timespec		now;
   2922 #else
   2923 	static unsigned long	tmstart;
   2924 	unsigned long		now;
   2925 #endif
   2926 	static int warning=1;
   2927 
   2928 	if (usertime && warning)
   2929 		{
   2930 		BIO_printf(bio_err,"To get meaningful results, run "
   2931 				   "this program on idle system.\n");
   2932 		warning=0;
   2933 		}
   2934 
   2935 #ifdef CLOCK_REALTIME
   2936 	clock_gettime(CLOCK_REALTIME,&now);
   2937 	if (stop==TM_START)	tmstart = now;
   2938 	else	ret = ( (now.tv_sec+now.tv_nsec*1e-9)
   2939 			- (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
   2940 #else
   2941 	now = tickGet();
   2942 	if (stop==TM_START)	tmstart = now;
   2943 	else			ret = (now - tmstart)/(double)sysClkRateGet();
   2944 #endif
   2945 	return (ret);
   2946 	}
   2947 
   2948 #elif defined(OPENSSL_SYSTEM_VMS)
   2949 #include <time.h>
   2950 #include <times.h>
   2951 
   2952 double app_tminterval(int stop,int usertime)
   2953 	{
   2954 	static clock_t	tmstart;
   2955 	double		ret = 0;
   2956 	clock_t		now;
   2957 #ifdef __TMS
   2958 	struct tms	rus;
   2959 
   2960 	now = times(&rus);
   2961 	if (usertime)	now = rus.tms_utime;
   2962 #else
   2963 	if (usertime)
   2964 		now = clock(); /* sum of user and kernel times */
   2965 	else	{
   2966 		struct timeval tv;
   2967 		gettimeofday(&tv,NULL);
   2968 		now = (clock_t)(
   2969 			(unsigned long long)tv.tv_sec*CLK_TCK +
   2970 			(unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
   2971 			);
   2972 		}
   2973 #endif
   2974 	if (stop==TM_START)	tmstart = now;
   2975 	else			ret = (now - tmstart)/(double)(CLK_TCK);
   2976 
   2977 	return (ret);
   2978 	}
   2979 
   2980 #elif defined(_SC_CLK_TCK)	/* by means of unistd.h */
   2981 #include <sys/times.h>
   2982 
   2983 double app_tminterval(int stop,int usertime)
   2984 	{
   2985 	double		ret = 0;
   2986 	struct tms	rus;
   2987 	clock_t		now = times(&rus);
   2988 	static clock_t	tmstart;
   2989 
   2990 	if (usertime)		now = rus.tms_utime;
   2991 
   2992 	if (stop==TM_START)	tmstart = now;
   2993 	else
   2994 		{
   2995 		long int tck = sysconf(_SC_CLK_TCK);
   2996 		ret = (now - tmstart)/(double)tck;
   2997 		}
   2998 
   2999 	return (ret);
   3000 	}
   3001 
   3002 #else
   3003 #include <sys/time.h>
   3004 #include <sys/resource.h>
   3005 
   3006 double app_tminterval(int stop,int usertime)
   3007 	{
   3008 	double		ret = 0;
   3009 	struct rusage	rus;
   3010 	struct timeval	now;
   3011 	static struct timeval tmstart;
   3012 
   3013 	if (usertime)		getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
   3014 	else			gettimeofday(&now,NULL);
   3015 
   3016 	if (stop==TM_START)	tmstart = now;
   3017 	else			ret = ( (now.tv_sec+now.tv_usec*1e-6)
   3018 					- (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
   3019 
   3020 	return ret;
   3021 	}
   3022 #endif
   3023 
   3024 /* app_isdir section */
   3025 #ifdef _WIN32
   3026 int app_isdir(const char *name)
   3027 	{
   3028 	HANDLE		hList;
   3029 	WIN32_FIND_DATA	FileData;
   3030 #if defined(UNICODE) || defined(_UNICODE)
   3031 	size_t i, len_0 = strlen(name)+1;
   3032 
   3033 	if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
   3034 		return -1;
   3035 
   3036 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
   3037 	if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
   3038 #endif
   3039 		for (i=0;i<len_0;i++)
   3040 			FileData.cFileName[i] = (WCHAR)name[i];
   3041 
   3042 	hList = FindFirstFile(FileData.cFileName,&FileData);
   3043 #else
   3044 	hList = FindFirstFile(name,&FileData);
   3045 #endif
   3046 	if (hList == INVALID_HANDLE_VALUE)	return -1;
   3047 	FindClose(hList);
   3048 	return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
   3049 	}
   3050 #else
   3051 #include <sys/stat.h>
   3052 #ifndef S_ISDIR
   3053 # if defined(_S_IFMT) && defined(_S_IFDIR)
   3054 #  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
   3055 # else
   3056 #  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
   3057 # endif
   3058 #endif
   3059 
   3060 int app_isdir(const char *name)
   3061 	{
   3062 #if defined(S_ISDIR)
   3063 	struct stat st;
   3064 
   3065 	if (stat(name,&st)==0)	return S_ISDIR(st.st_mode);
   3066 	else			return -1;
   3067 #else
   3068 	return -1;
   3069 #endif
   3070 	}
   3071 #endif
   3072 
   3073 /* raw_read|write section */
   3074 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
   3075 int raw_read_stdin(void *buf,int siz)
   3076 	{
   3077 	DWORD n;
   3078 	if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
   3079 		return (n);
   3080 	else	return (-1);
   3081 	}
   3082 #else
   3083 int raw_read_stdin(void *buf,int siz)
   3084 	{	return read(fileno(stdin),buf,siz);	}
   3085 #endif
   3086 
   3087 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
   3088 int raw_write_stdout(const void *buf,int siz)
   3089 	{
   3090 	DWORD n;
   3091 	if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
   3092 		return (n);
   3093 	else	return (-1);
   3094 	}
   3095 #else
   3096 int raw_write_stdout(const void *buf,int siz)
   3097 	{	return write(fileno(stdout),buf,siz);	}
   3098 #endif
   3099