1/* apps/apps.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@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@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@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@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@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@cryptsoft.com).  This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
111
112#ifndef _POSIX_C_SOURCE
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
151static int WIN32_rename(const char *from, const char *to);
152#define rename(from,to) WIN32_rename((from),(to))
153#endif
154
155typedef struct {
156	const char *name;
157	unsigned long flag;
158	unsigned long mask;
159} NAME_EX_TBL;
160
161static UI_METHOD *ui_method = NULL;
162
163static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
164static 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 */
168static EVP_PKEY *
169load_netscape_key(BIO *err, BIO *key, const char *file,
170		const char *key_descrip, int format);
171#endif
172
173int app_init(long mesgwin);
174#ifdef undef /* never finished - probably never will be :-) */
175int 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
258int 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)
290void 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
339void 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
366void 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
380int 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		}
394	for (i=0; i<arg->count; i++)
395		arg->data[i]=NULL;
396
397	num=0;
398	p=buf;
399	for (;;)
400		{
401		/* first scan over white space */
402		if (!*p) break;
403		while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
404			p++;
405		if (!*p) break;
406
407		/* The start of something good :-) */
408		if (num >= arg->count)
409			{
410			char **tmp_p;
411			int tlen = arg->count + 20;
412			tmp_p = (char **)OPENSSL_realloc(arg->data,
413				sizeof(char *)*tlen);
414			if (tmp_p == NULL)
415				return 0;
416			arg->data  = tmp_p;
417			arg->count = tlen;
418			/* initialize newly allocated data */
419			for (i = num; i < arg->count; i++)
420				arg->data[i] = NULL;
421			}
422		arg->data[num++]=p;
423
424		/* now look for the end of this */
425		if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
426			{
427			i= *(p++);
428			arg->data[num-1]++; /* jump over quote */
429			while (*p && (*p != i))
430				p++;
431			*p='\0';
432			}
433		else
434			{
435			while (*p && ((*p != ' ') &&
436				(*p != '\t') && (*p != '\n')))
437				p++;
438
439			if (*p == '\0')
440				p--;
441			else
442				*p='\0';
443			}
444		p++;
445		}
446	*argc=num;
447	*argv=arg->data;
448	return(1);
449	}
450
451#ifndef APP_INIT
452int app_init(long mesgwin)
453	{
454	return(1);
455	}
456#endif
457
458
459int dump_cert_text (BIO *out, X509 *x)
460{
461	char *p;
462
463	p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
464	BIO_puts(out,"subject=");
465	BIO_puts(out,p);
466	OPENSSL_free(p);
467
468	p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
469	BIO_puts(out,"\nissuer=");
470	BIO_puts(out,p);
471	BIO_puts(out,"\n");
472	OPENSSL_free(p);
473
474	return 0;
475}
476
477static int ui_open(UI *ui)
478	{
479	return UI_method_get_opener(UI_OpenSSL())(ui);
480	}
481static int ui_read(UI *ui, UI_STRING *uis)
482	{
483	if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
484		&& UI_get0_user_data(ui))
485		{
486		switch(UI_get_string_type(uis))
487			{
488		case UIT_PROMPT:
489		case UIT_VERIFY:
490			{
491			const char *password =
492				((PW_CB_DATA *)UI_get0_user_data(ui))->password;
493			if (password && password[0] != '\0')
494				{
495				UI_set_result(ui, uis, password);
496				return 1;
497				}
498			}
499		default:
500			break;
501			}
502		}
503	return UI_method_get_reader(UI_OpenSSL())(ui, uis);
504	}
505static int ui_write(UI *ui, UI_STRING *uis)
506	{
507	if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
508		&& UI_get0_user_data(ui))
509		{
510		switch(UI_get_string_type(uis))
511			{
512		case UIT_PROMPT:
513		case UIT_VERIFY:
514			{
515			const char *password =
516				((PW_CB_DATA *)UI_get0_user_data(ui))->password;
517			if (password && password[0] != '\0')
518				return 1;
519			}
520		default:
521			break;
522			}
523		}
524	return UI_method_get_writer(UI_OpenSSL())(ui, uis);
525	}
526static int ui_close(UI *ui)
527	{
528	return UI_method_get_closer(UI_OpenSSL())(ui);
529	}
530int setup_ui_method(void)
531	{
532	ui_method = UI_create_method("OpenSSL application user interface");
533	UI_method_set_opener(ui_method, ui_open);
534	UI_method_set_reader(ui_method, ui_read);
535	UI_method_set_writer(ui_method, ui_write);
536	UI_method_set_closer(ui_method, ui_close);
537	return 0;
538	}
539void destroy_ui_method(void)
540	{
541	if(ui_method)
542		{
543		UI_destroy_method(ui_method);
544		ui_method = NULL;
545		}
546	}
547int password_callback(char *buf, int bufsiz, int verify,
548	PW_CB_DATA *cb_tmp)
549	{
550	UI *ui = NULL;
551	int res = 0;
552	const char *prompt_info = NULL;
553	const char *password = NULL;
554	PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
555
556	if (cb_data)
557		{
558		if (cb_data->password)
559			password = cb_data->password;
560		if (cb_data->prompt_info)
561			prompt_info = cb_data->prompt_info;
562		}
563
564	if (password)
565		{
566		res = strlen(password);
567		if (res > bufsiz)
568			res = bufsiz;
569		memcpy(buf, password, res);
570		return res;
571		}
572
573	ui = UI_new_method(ui_method);
574	if (ui)
575		{
576		int ok = 0;
577		char *buff = NULL;
578		int ui_flags = 0;
579		char *prompt = NULL;
580
581		prompt = UI_construct_prompt(ui, "pass phrase",
582			prompt_info);
583
584		ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
585		UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
586
587		if (ok >= 0)
588			ok = UI_add_input_string(ui,prompt,ui_flags,buf,
589				PW_MIN_LENGTH,BUFSIZ-1);
590		if (ok >= 0 && verify)
591			{
592			buff = (char *)OPENSSL_malloc(bufsiz);
593			ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
594				PW_MIN_LENGTH,BUFSIZ-1, buf);
595			}
596		if (ok >= 0)
597			do
598				{
599				ok = UI_process(ui);
600				}
601			while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
602
603		if (buff)
604			{
605			OPENSSL_cleanse(buff,(unsigned int)bufsiz);
606			OPENSSL_free(buff);
607			}
608
609		if (ok >= 0)
610			res = strlen(buf);
611		if (ok == -1)
612			{
613			BIO_printf(bio_err, "User interface error\n");
614			ERR_print_errors(bio_err);
615			OPENSSL_cleanse(buf,(unsigned int)bufsiz);
616			res = 0;
617			}
618		if (ok == -2)
619			{
620			BIO_printf(bio_err,"aborted!\n");
621			OPENSSL_cleanse(buf,(unsigned int)bufsiz);
622			res = 0;
623			}
624		UI_free(ui);
625		OPENSSL_free(prompt);
626		}
627	return res;
628	}
629
630static char *app_get_pass(BIO *err, char *arg, int keepbio);
631
632int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
633{
634	int same;
635	if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
636	else same = 1;
637	if(arg1) {
638		*pass1 = app_get_pass(err, arg1, same);
639		if(!*pass1) return 0;
640	} else if(pass1) *pass1 = NULL;
641	if(arg2) {
642		*pass2 = app_get_pass(err, arg2, same ? 2 : 0);
643		if(!*pass2) return 0;
644	} else if(pass2) *pass2 = NULL;
645	return 1;
646}
647
648static char *app_get_pass(BIO *err, char *arg, int keepbio)
649{
650	char *tmp, tpass[APP_PASS_LEN];
651	static BIO *pwdbio = NULL;
652	int i;
653	if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
654	if(!strncmp(arg, "env:", 4)) {
655		tmp = getenv(arg + 4);
656		if(!tmp) {
657			BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
658			return NULL;
659		}
660		return BUF_strdup(tmp);
661	}
662	if(!keepbio || !pwdbio) {
663		if(!strncmp(arg, "file:", 5)) {
664			pwdbio = BIO_new_file(arg + 5, "r");
665			if(!pwdbio) {
666				BIO_printf(err, "Can't open file %s\n", arg + 5);
667				return NULL;
668			}
669#if !defined(_WIN32)
670		/*
671		 * Under _WIN32, which covers even Win64 and CE, file
672		 * descriptors referenced by BIO_s_fd are not inherited
673		 * by child process and therefore below is not an option.
674		 * It could have been an option if bss_fd.c was operating
675		 * on real Windows descriptors, such as those obtained
676		 * with CreateFile.
677		 */
678		} else if(!strncmp(arg, "fd:", 3)) {
679			BIO *btmp;
680			i = atoi(arg + 3);
681			if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
682			if((i < 0) || !pwdbio) {
683				BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
684				return NULL;
685			}
686			/* Can't do BIO_gets on an fd BIO so add a buffering BIO */
687			btmp = BIO_new(BIO_f_buffer());
688			pwdbio = BIO_push(btmp, pwdbio);
689#endif
690		} else if(!strcmp(arg, "stdin")) {
691			pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
692			if(!pwdbio) {
693				BIO_printf(err, "Can't open BIO for stdin\n");
694				return NULL;
695			}
696		} else {
697			BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
698			return NULL;
699		}
700	}
701	i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
702	if(keepbio != 1) {
703		BIO_free_all(pwdbio);
704		pwdbio = NULL;
705	}
706	if(i <= 0) {
707		BIO_printf(err, "Error reading password from BIO\n");
708		return NULL;
709	}
710	tmp = strchr(tpass, '\n');
711	if(tmp) *tmp = 0;
712	return BUF_strdup(tpass);
713}
714
715int add_oid_section(BIO *err, CONF *conf)
716{
717	char *p;
718	STACK_OF(CONF_VALUE) *sktmp;
719	CONF_VALUE *cnf;
720	int i;
721	if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
722		{
723		ERR_clear_error();
724		return 1;
725		}
726	if(!(sktmp = NCONF_get_section(conf, p))) {
727		BIO_printf(err, "problem loading oid section %s\n", p);
728		return 0;
729	}
730	for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
731		cnf = sk_CONF_VALUE_value(sktmp, i);
732		if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
733			BIO_printf(err, "problem creating object %s=%s\n",
734							 cnf->name, cnf->value);
735			return 0;
736		}
737	}
738	return 1;
739}
740
741static int load_pkcs12(BIO *err, BIO *in, const char *desc,
742		pem_password_cb *pem_cb,  void *cb_data,
743		EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
744	{
745 	const char *pass;
746	char tpass[PEM_BUFSIZE];
747	int len, ret = 0;
748	PKCS12 *p12;
749	p12 = d2i_PKCS12_bio(in, NULL);
750	if (p12 == NULL)
751		{
752		BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
753		goto die;
754		}
755	/* See if an empty password will do */
756	if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
757		pass = "";
758	else
759		{
760		if (!pem_cb)
761			pem_cb = (pem_password_cb *)password_callback;
762		len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
763		if (len < 0)
764			{
765			BIO_printf(err, "Passpharse callback error for %s\n",
766					desc);
767			goto die;
768			}
769		if (len < PEM_BUFSIZE)
770			tpass[len] = 0;
771		if (!PKCS12_verify_mac(p12, tpass, len))
772			{
773			BIO_printf(err,
774	"Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
775			goto die;
776			}
777		pass = tpass;
778		}
779	ret = PKCS12_parse(p12, pass, pkey, cert, ca);
780	die:
781	if (p12)
782		PKCS12_free(p12);
783	return ret;
784	}
785
786X509 *load_cert(BIO *err, const char *file, int format,
787	const char *pass, ENGINE *e, const char *cert_descrip)
788	{
789	X509 *x=NULL;
790	BIO *cert;
791
792	if ((cert=BIO_new(BIO_s_file())) == NULL)
793		{
794		ERR_print_errors(err);
795		goto end;
796		}
797
798	if (file == NULL)
799		{
800#ifdef _IONBF
801# ifndef OPENSSL_NO_SETVBUF_IONBF
802		setvbuf(stdin, NULL, _IONBF, 0);
803# endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
804#endif
805		BIO_set_fp(cert,stdin,BIO_NOCLOSE);
806		}
807	else
808		{
809		if (BIO_read_filename(cert,file) <= 0)
810			{
811			BIO_printf(err, "Error opening %s %s\n",
812				cert_descrip, file);
813			ERR_print_errors(err);
814			goto end;
815			}
816		}
817
818	if 	(format == FORMAT_ASN1)
819		x=d2i_X509_bio(cert,NULL);
820	else if (format == FORMAT_NETSCAPE)
821		{
822		NETSCAPE_X509 *nx;
823		nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
824		if (nx == NULL)
825				goto end;
826
827		if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
828			nx->header->length) != 0))
829			{
830			NETSCAPE_X509_free(nx);
831			BIO_printf(err,"Error reading header on certificate\n");
832			goto end;
833			}
834		x=nx->cert;
835		nx->cert = NULL;
836		NETSCAPE_X509_free(nx);
837		}
838	else if (format == FORMAT_PEM)
839		x=PEM_read_bio_X509_AUX(cert,NULL,
840			(pem_password_cb *)password_callback, NULL);
841	else if (format == FORMAT_PKCS12)
842		{
843		if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
844					NULL, &x, NULL))
845			goto end;
846		}
847	else	{
848		BIO_printf(err,"bad input format specified for %s\n",
849			cert_descrip);
850		goto end;
851		}
852end:
853	if (x == NULL)
854		{
855		BIO_printf(err,"unable to load certificate\n");
856		ERR_print_errors(err);
857		}
858	if (cert != NULL) BIO_free(cert);
859	return(x);
860	}
861
862EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
863	const char *pass, ENGINE *e, const char *key_descrip)
864	{
865	BIO *key=NULL;
866	EVP_PKEY *pkey=NULL;
867	PW_CB_DATA cb_data;
868
869	cb_data.password = pass;
870	cb_data.prompt_info = file;
871
872	if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
873		{
874		BIO_printf(err,"no keyfile specified\n");
875		goto end;
876		}
877#ifndef OPENSSL_NO_ENGINE
878	if (format == FORMAT_ENGINE)
879		{
880		if (!e)
881			BIO_printf(err,"no engine specified\n");
882		else
883			{
884			pkey = ENGINE_load_private_key(e, file,
885				ui_method, &cb_data);
886			if (!pkey)
887				{
888				BIO_printf(err,"cannot load %s from engine\n",key_descrip);
889				ERR_print_errors(err);
890				}
891			}
892		goto end;
893		}
894#endif
895	key=BIO_new(BIO_s_file());
896	if (key == NULL)
897		{
898		ERR_print_errors(err);
899		goto end;
900		}
901	if (file == NULL && maybe_stdin)
902		{
903#ifdef _IONBF
904# ifndef OPENSSL_NO_SETVBUF_IONBF
905		setvbuf(stdin, NULL, _IONBF, 0);
906# endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
907#endif
908		BIO_set_fp(key,stdin,BIO_NOCLOSE);
909		}
910	else
911		if (BIO_read_filename(key,file) <= 0)
912			{
913			BIO_printf(err, "Error opening %s %s\n",
914				key_descrip, file);
915			ERR_print_errors(err);
916			goto end;
917			}
918	if (format == FORMAT_ASN1)
919		{
920		pkey=d2i_PrivateKey_bio(key, NULL);
921		}
922	else if (format == FORMAT_PEM)
923		{
924		pkey=PEM_read_bio_PrivateKey(key,NULL,
925			(pem_password_cb *)password_callback, &cb_data);
926		}
927#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
928	else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
929		pkey = load_netscape_key(err, key, file, key_descrip, format);
930#endif
931	else if (format == FORMAT_PKCS12)
932		{
933		if (!load_pkcs12(err, key, key_descrip,
934				(pem_password_cb *)password_callback, &cb_data,
935				&pkey, NULL, NULL))
936			goto end;
937		}
938#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
939	else if (format == FORMAT_MSBLOB)
940		pkey = b2i_PrivateKey_bio(key);
941	else if (format == FORMAT_PVK)
942		pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
943								&cb_data);
944#endif
945	else
946		{
947		BIO_printf(err,"bad input format specified for key file\n");
948		goto end;
949		}
950 end:
951	if (key != NULL) BIO_free(key);
952	if (pkey == NULL)
953		{
954		BIO_printf(err,"unable to load %s\n", key_descrip);
955		ERR_print_errors(err);
956		}
957	return(pkey);
958	}
959
960EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
961	const char *pass, ENGINE *e, const char *key_descrip)
962	{
963	BIO *key=NULL;
964	EVP_PKEY *pkey=NULL;
965	PW_CB_DATA cb_data;
966
967	cb_data.password = pass;
968	cb_data.prompt_info = file;
969
970	if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
971		{
972		BIO_printf(err,"no keyfile specified\n");
973		goto end;
974		}
975#ifndef OPENSSL_NO_ENGINE
976	if (format == FORMAT_ENGINE)
977		{
978		if (!e)
979			BIO_printf(bio_err,"no engine specified\n");
980		else
981			pkey = ENGINE_load_public_key(e, file,
982				ui_method, &cb_data);
983		goto end;
984		}
985#endif
986	key=BIO_new(BIO_s_file());
987	if (key == NULL)
988		{
989		ERR_print_errors(err);
990		goto end;
991		}
992	if (file == NULL && maybe_stdin)
993		{
994#ifdef _IONBF
995# ifndef OPENSSL_NO_SETVBUF_IONBF
996		setvbuf(stdin, NULL, _IONBF, 0);
997# endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
998#endif
999		BIO_set_fp(key,stdin,BIO_NOCLOSE);
1000		}
1001	else
1002		if (BIO_read_filename(key,file) <= 0)
1003			{
1004			BIO_printf(err, "Error opening %s %s\n",
1005				key_descrip, file);
1006			ERR_print_errors(err);
1007			goto end;
1008		}
1009	if (format == FORMAT_ASN1)
1010		{
1011		pkey=d2i_PUBKEY_bio(key, NULL);
1012		}
1013#ifndef OPENSSL_NO_RSA
1014	else if (format == FORMAT_ASN1RSA)
1015		{
1016		RSA *rsa;
1017		rsa = d2i_RSAPublicKey_bio(key, NULL);
1018		if (rsa)
1019			{
1020			pkey = EVP_PKEY_new();
1021			if (pkey)
1022				EVP_PKEY_set1_RSA(pkey, rsa);
1023			RSA_free(rsa);
1024			}
1025		else
1026			pkey = NULL;
1027		}
1028	else if (format == FORMAT_PEMRSA)
1029		{
1030		RSA *rsa;
1031		rsa = PEM_read_bio_RSAPublicKey(key, NULL,
1032			(pem_password_cb *)password_callback, &cb_data);
1033		if (rsa)
1034			{
1035			pkey = EVP_PKEY_new();
1036			if (pkey)
1037				EVP_PKEY_set1_RSA(pkey, rsa);
1038			RSA_free(rsa);
1039			}
1040		else
1041			pkey = NULL;
1042		}
1043#endif
1044	else if (format == FORMAT_PEM)
1045		{
1046		pkey=PEM_read_bio_PUBKEY(key,NULL,
1047			(pem_password_cb *)password_callback, &cb_data);
1048		}
1049#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1050	else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1051		pkey = load_netscape_key(err, key, file, key_descrip, format);
1052#endif
1053#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1054	else if (format == FORMAT_MSBLOB)
1055		pkey = b2i_PublicKey_bio(key);
1056#endif
1057	else
1058		{
1059		BIO_printf(err,"bad input format specified for key file\n");
1060		goto end;
1061		}
1062 end:
1063	if (key != NULL) BIO_free(key);
1064	if (pkey == NULL)
1065		BIO_printf(err,"unable to load %s\n", key_descrip);
1066	return(pkey);
1067	}
1068
1069#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1070static EVP_PKEY *
1071load_netscape_key(BIO *err, BIO *key, const char *file,
1072		const char *key_descrip, int format)
1073	{
1074	EVP_PKEY *pkey;
1075	BUF_MEM *buf;
1076	RSA	*rsa;
1077	const unsigned char *p;
1078	int size, i;
1079
1080	buf=BUF_MEM_new();
1081	pkey = EVP_PKEY_new();
1082	size = 0;
1083	if (buf == NULL || pkey == NULL)
1084		goto error;
1085	for (;;)
1086		{
1087		if (!BUF_MEM_grow_clean(buf,size+1024*10))
1088			goto error;
1089		i = BIO_read(key, &(buf->data[size]), 1024*10);
1090		size += i;
1091		if (i == 0)
1092			break;
1093		if (i < 0)
1094			{
1095				BIO_printf(err, "Error reading %s %s",
1096					key_descrip, file);
1097				goto error;
1098			}
1099		}
1100	p=(unsigned char *)buf->data;
1101	rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1102		(format == FORMAT_IISSGC ? 1 : 0));
1103	if (rsa == NULL)
1104		goto error;
1105	BUF_MEM_free(buf);
1106	EVP_PKEY_set1_RSA(pkey, rsa);
1107	return pkey;
1108error:
1109	BUF_MEM_free(buf);
1110	EVP_PKEY_free(pkey);
1111	return NULL;
1112	}
1113#endif /* ndef OPENSSL_NO_RC4 */
1114
1115static int load_certs_crls(BIO *err, const char *file, int format,
1116	const char *pass, ENGINE *e, const char *desc,
1117	STACK_OF(X509) **pcerts, STACK_OF(X509_CRL) **pcrls)
1118	{
1119	int i;
1120	BIO *bio;
1121	STACK_OF(X509_INFO) *xis = NULL;
1122	X509_INFO *xi;
1123	PW_CB_DATA cb_data;
1124	int rv = 0;
1125
1126	cb_data.password = pass;
1127	cb_data.prompt_info = file;
1128
1129	if (format != FORMAT_PEM)
1130		{
1131		BIO_printf(err,"bad input format specified for %s\n", desc);
1132		return 0;
1133		}
1134
1135	if (file == NULL)
1136		bio = BIO_new_fp(stdin,BIO_NOCLOSE);
1137	else
1138		bio = BIO_new_file(file, "r");
1139
1140	if (bio == NULL)
1141		{
1142		BIO_printf(err, "Error opening %s %s\n",
1143				desc, file ? file : "stdin");
1144		ERR_print_errors(err);
1145		return 0;
1146		}
1147
1148	xis = PEM_X509_INFO_read_bio(bio, NULL,
1149				(pem_password_cb *)password_callback, &cb_data);
1150
1151	BIO_free(bio);
1152
1153	if (pcerts)
1154		{
1155		*pcerts = sk_X509_new_null();
1156		if (!*pcerts)
1157			goto end;
1158		}
1159
1160	if (pcrls)
1161		{
1162		*pcrls = sk_X509_CRL_new_null();
1163		if (!*pcrls)
1164			goto end;
1165		}
1166
1167	for(i = 0; i < sk_X509_INFO_num(xis); i++)
1168		{
1169		xi = sk_X509_INFO_value (xis, i);
1170		if (xi->x509 && pcerts)
1171			{
1172			if (!sk_X509_push(*pcerts, xi->x509))
1173				goto end;
1174			xi->x509 = NULL;
1175			}
1176		if (xi->crl && pcrls)
1177			{
1178			if (!sk_X509_CRL_push(*pcrls, xi->crl))
1179				goto end;
1180			xi->crl = NULL;
1181			}
1182		}
1183
1184	if (pcerts && sk_X509_num(*pcerts) > 0)
1185		rv = 1;
1186
1187	if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1188		rv = 1;
1189
1190	end:
1191
1192	if (xis)
1193		sk_X509_INFO_pop_free(xis, X509_INFO_free);
1194
1195	if (rv == 0)
1196		{
1197		if (pcerts)
1198			{
1199			sk_X509_pop_free(*pcerts, X509_free);
1200			*pcerts = NULL;
1201			}
1202		if (pcrls)
1203			{
1204			sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1205			*pcrls = NULL;
1206			}
1207		BIO_printf(err,"unable to load %s\n",
1208				pcerts ? "certificates" : "CRLs");
1209		ERR_print_errors(err);
1210		}
1211	return rv;
1212	}
1213
1214STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1215	const char *pass, ENGINE *e, const char *desc)
1216	{
1217	STACK_OF(X509) *certs;
1218	load_certs_crls(err, file, format, pass, e, desc, &certs, NULL);
1219	return certs;
1220	}
1221
1222STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1223	const char *pass, ENGINE *e, const char *desc)
1224	{
1225	STACK_OF(X509_CRL) *crls;
1226	load_certs_crls(err, file, format, pass, e, desc, NULL, &crls);
1227	return crls;
1228	}
1229
1230#define X509V3_EXT_UNKNOWN_MASK		(0xfL << 16)
1231/* Return error for unknown extensions */
1232#define X509V3_EXT_DEFAULT		0
1233/* Print error for unknown extensions */
1234#define X509V3_EXT_ERROR_UNKNOWN	(1L << 16)
1235/* ASN1 parse unknown extensions */
1236#define X509V3_EXT_PARSE_UNKNOWN	(2L << 16)
1237/* BIO_dump unknown extensions */
1238#define X509V3_EXT_DUMP_UNKNOWN		(3L << 16)
1239
1240#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1241			 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1242
1243int set_cert_ex(unsigned long *flags, const char *arg)
1244{
1245	static const NAME_EX_TBL cert_tbl[] = {
1246		{ "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1247		{ "ca_default", X509_FLAG_CA, 0xffffffffl},
1248		{ "no_header", X509_FLAG_NO_HEADER, 0},
1249		{ "no_version", X509_FLAG_NO_VERSION, 0},
1250		{ "no_serial", X509_FLAG_NO_SERIAL, 0},
1251		{ "no_signame", X509_FLAG_NO_SIGNAME, 0},
1252		{ "no_validity", X509_FLAG_NO_VALIDITY, 0},
1253		{ "no_subject", X509_FLAG_NO_SUBJECT, 0},
1254		{ "no_issuer", X509_FLAG_NO_ISSUER, 0},
1255		{ "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1256		{ "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1257		{ "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1258		{ "no_aux", X509_FLAG_NO_AUX, 0},
1259		{ "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1260		{ "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1261		{ "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1262		{ "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1263		{ "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1264		{ NULL, 0, 0}
1265	};
1266	return set_multi_opts(flags, arg, cert_tbl);
1267}
1268
1269int set_name_ex(unsigned long *flags, const char *arg)
1270{
1271	static const NAME_EX_TBL ex_tbl[] = {
1272		{ "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1273		{ "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1274		{ "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1275		{ "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1276		{ "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1277		{ "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1278		{ "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1279		{ "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1280		{ "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1281		{ "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1282		{ "compat", XN_FLAG_COMPAT, 0xffffffffL},
1283		{ "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1284		{ "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1285		{ "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1286		{ "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1287		{ "dn_rev", XN_FLAG_DN_REV, 0},
1288		{ "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1289		{ "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1290		{ "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1291		{ "align", XN_FLAG_FN_ALIGN, 0},
1292		{ "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1293		{ "space_eq", XN_FLAG_SPC_EQ, 0},
1294		{ "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1295		{ "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1296		{ "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1297		{ "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1298		{ "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1299		{ NULL, 0, 0}
1300	};
1301	return set_multi_opts(flags, arg, ex_tbl);
1302}
1303
1304int set_ext_copy(int *copy_type, const char *arg)
1305{
1306	if (!strcasecmp(arg, "none"))
1307		*copy_type = EXT_COPY_NONE;
1308	else if (!strcasecmp(arg, "copy"))
1309		*copy_type = EXT_COPY_ADD;
1310	else if (!strcasecmp(arg, "copyall"))
1311		*copy_type = EXT_COPY_ALL;
1312	else
1313		return 0;
1314	return 1;
1315}
1316
1317int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1318{
1319	STACK_OF(X509_EXTENSION) *exts = NULL;
1320	X509_EXTENSION *ext, *tmpext;
1321	ASN1_OBJECT *obj;
1322	int i, idx, ret = 0;
1323	if (!x || !req || (copy_type == EXT_COPY_NONE))
1324		return 1;
1325	exts = X509_REQ_get_extensions(req);
1326
1327	for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1328		ext = sk_X509_EXTENSION_value(exts, i);
1329		obj = X509_EXTENSION_get_object(ext);
1330		idx = X509_get_ext_by_OBJ(x, obj, -1);
1331		/* Does extension exist? */
1332		if (idx != -1) {
1333			/* If normal copy don't override existing extension */
1334			if (copy_type == EXT_COPY_ADD)
1335				continue;
1336			/* Delete all extensions of same type */
1337			do {
1338				tmpext = X509_get_ext(x, idx);
1339				X509_delete_ext(x, idx);
1340				X509_EXTENSION_free(tmpext);
1341				idx = X509_get_ext_by_OBJ(x, obj, -1);
1342			} while (idx != -1);
1343		}
1344		if (!X509_add_ext(x, ext, -1))
1345			goto end;
1346	}
1347
1348	ret = 1;
1349
1350	end:
1351
1352	sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1353
1354	return ret;
1355}
1356
1357
1358
1359
1360static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1361{
1362	STACK_OF(CONF_VALUE) *vals;
1363	CONF_VALUE *val;
1364	int i, ret = 1;
1365	if(!arg) return 0;
1366	vals = X509V3_parse_list(arg);
1367	for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1368		val = sk_CONF_VALUE_value(vals, i);
1369		if (!set_table_opts(flags, val->name, in_tbl))
1370			ret = 0;
1371	}
1372	sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1373	return ret;
1374}
1375
1376static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1377{
1378	char c;
1379	const NAME_EX_TBL *ptbl;
1380	c = arg[0];
1381
1382	if(c == '-') {
1383		c = 0;
1384		arg++;
1385	} else if (c == '+') {
1386		c = 1;
1387		arg++;
1388	} else c = 1;
1389
1390	for(ptbl = in_tbl; ptbl->name; ptbl++) {
1391		if(!strcasecmp(arg, ptbl->name)) {
1392			*flags &= ~ptbl->mask;
1393			if(c) *flags |= ptbl->flag;
1394			else *flags &= ~ptbl->flag;
1395			return 1;
1396		}
1397	}
1398	return 0;
1399}
1400
1401void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1402{
1403	char *buf;
1404	char mline = 0;
1405	int indent = 0;
1406
1407	if(title) BIO_puts(out, title);
1408	if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1409		mline = 1;
1410		indent = 4;
1411	}
1412	if(lflags == XN_FLAG_COMPAT) {
1413		buf = X509_NAME_oneline(nm, 0, 0);
1414		BIO_puts(out, buf);
1415		BIO_puts(out, "\n");
1416		OPENSSL_free(buf);
1417	} else {
1418		if(mline) BIO_puts(out, "\n");
1419		X509_NAME_print_ex(out, nm, indent, lflags);
1420		BIO_puts(out, "\n");
1421	}
1422}
1423
1424X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1425{
1426	X509_STORE *store;
1427	X509_LOOKUP *lookup;
1428	if(!(store = X509_STORE_new())) goto end;
1429	lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1430	if (lookup == NULL) goto end;
1431	if (CAfile) {
1432		if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1433			BIO_printf(bp, "Error loading file %s\n", CAfile);
1434			goto end;
1435		}
1436	} else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1437
1438	lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1439	if (lookup == NULL) goto end;
1440	if (CApath) {
1441		if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1442			BIO_printf(bp, "Error loading directory %s\n", CApath);
1443			goto end;
1444		}
1445	} else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1446
1447	ERR_clear_error();
1448	return store;
1449	end:
1450	X509_STORE_free(store);
1451	return NULL;
1452}
1453
1454#ifndef OPENSSL_NO_ENGINE
1455/* Try to load an engine in a shareable library */
1456static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1457	{
1458	ENGINE *e = ENGINE_by_id("dynamic");
1459	if (e)
1460		{
1461		if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1462			|| !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1463			{
1464			ENGINE_free(e);
1465			e = NULL;
1466			}
1467		}
1468	return e;
1469	}
1470
1471ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1472        {
1473        ENGINE *e = NULL;
1474
1475        if (engine)
1476                {
1477		if(strcmp(engine, "auto") == 0)
1478			{
1479			BIO_printf(err,"enabling auto ENGINE support\n");
1480			ENGINE_register_all_complete();
1481			return NULL;
1482			}
1483		if((e = ENGINE_by_id(engine)) == NULL
1484			&& (e = try_load_engine(err, engine, debug)) == NULL)
1485			{
1486			BIO_printf(err,"invalid engine \"%s\"\n", engine);
1487			ERR_print_errors(err);
1488			return NULL;
1489			}
1490		if (debug)
1491			{
1492			ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1493				0, err, 0);
1494			}
1495                ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1496		if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1497			{
1498			BIO_printf(err,"can't use that engine\n");
1499			ERR_print_errors(err);
1500			ENGINE_free(e);
1501			return NULL;
1502			}
1503
1504		BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1505
1506		/* Free our "structural" reference. */
1507		ENGINE_free(e);
1508		}
1509        return e;
1510        }
1511#endif
1512
1513int load_config(BIO *err, CONF *cnf)
1514	{
1515	static int load_config_called = 0;
1516	if (load_config_called)
1517		return 1;
1518	load_config_called = 1;
1519	if (!cnf)
1520		cnf = config;
1521	if (!cnf)
1522		return 1;
1523
1524	OPENSSL_load_builtin_modules();
1525
1526	if (CONF_modules_load(cnf, NULL, 0) <= 0)
1527		{
1528		BIO_printf(err, "Error configuring OpenSSL\n");
1529		ERR_print_errors(err);
1530		return 0;
1531		}
1532	return 1;
1533	}
1534
1535char *make_config_name()
1536	{
1537	const char *t=X509_get_default_cert_area();
1538	size_t len;
1539	char *p;
1540
1541	len=strlen(t)+strlen(OPENSSL_CONF)+2;
1542	p=OPENSSL_malloc(len);
1543	BUF_strlcpy(p,t,len);
1544#ifndef OPENSSL_SYS_VMS
1545	BUF_strlcat(p,"/",len);
1546#endif
1547	BUF_strlcat(p,OPENSSL_CONF,len);
1548
1549	return p;
1550	}
1551
1552static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1553	{
1554	const char *n;
1555
1556	n=a[DB_serial];
1557	while (*n == '0') n++;
1558	return(lh_strhash(n));
1559	}
1560
1561static int index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1562	{
1563	const char *aa,*bb;
1564
1565	for (aa=a[DB_serial]; *aa == '0'; aa++);
1566	for (bb=b[DB_serial]; *bb == '0'; bb++);
1567	return(strcmp(aa,bb));
1568	}
1569
1570static int index_name_qual(char **a)
1571	{ return(a[0][0] == 'V'); }
1572
1573static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1574	{ return(lh_strhash(a[DB_name])); }
1575
1576int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1577	{ return(strcmp(a[DB_name], b[DB_name])); }
1578
1579static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1580static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1581static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1582static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1583
1584#undef BSIZE
1585#define BSIZE 256
1586
1587BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1588	{
1589	BIO *in=NULL;
1590	BIGNUM *ret=NULL;
1591	MS_STATIC char buf[1024];
1592	ASN1_INTEGER *ai=NULL;
1593
1594	ai=ASN1_INTEGER_new();
1595	if (ai == NULL) goto err;
1596
1597	if ((in=BIO_new(BIO_s_file())) == NULL)
1598		{
1599		ERR_print_errors(bio_err);
1600		goto err;
1601		}
1602
1603	if (BIO_read_filename(in,serialfile) <= 0)
1604		{
1605		if (!create)
1606			{
1607			perror(serialfile);
1608			goto err;
1609			}
1610		else
1611			{
1612			ret=BN_new();
1613			if (ret == NULL || !rand_serial(ret, ai))
1614				BIO_printf(bio_err, "Out of memory\n");
1615			}
1616		}
1617	else
1618		{
1619		if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1620			{
1621			BIO_printf(bio_err,"unable to load number from %s\n",
1622				serialfile);
1623			goto err;
1624			}
1625		ret=ASN1_INTEGER_to_BN(ai,NULL);
1626		if (ret == NULL)
1627			{
1628			BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1629			goto err;
1630			}
1631		}
1632
1633	if (ret && retai)
1634		{
1635		*retai = ai;
1636		ai = NULL;
1637		}
1638 err:
1639	if (in != NULL) BIO_free(in);
1640	if (ai != NULL) ASN1_INTEGER_free(ai);
1641	return(ret);
1642	}
1643
1644int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1645	{
1646	char buf[1][BSIZE];
1647	BIO *out = NULL;
1648	int ret=0;
1649	ASN1_INTEGER *ai=NULL;
1650	int j;
1651
1652	if (suffix == NULL)
1653		j = strlen(serialfile);
1654	else
1655		j = strlen(serialfile) + strlen(suffix) + 1;
1656	if (j >= BSIZE)
1657		{
1658		BIO_printf(bio_err,"file name too long\n");
1659		goto err;
1660		}
1661
1662	if (suffix == NULL)
1663		BUF_strlcpy(buf[0], serialfile, BSIZE);
1664	else
1665		{
1666#ifndef OPENSSL_SYS_VMS
1667		j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1668#else
1669		j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1670#endif
1671		}
1672#ifdef RL_DEBUG
1673	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1674#endif
1675	out=BIO_new(BIO_s_file());
1676	if (out == NULL)
1677		{
1678		ERR_print_errors(bio_err);
1679		goto err;
1680		}
1681	if (BIO_write_filename(out,buf[0]) <= 0)
1682		{
1683		perror(serialfile);
1684		goto err;
1685		}
1686
1687	if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1688		{
1689		BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1690		goto err;
1691		}
1692	i2a_ASN1_INTEGER(out,ai);
1693	BIO_puts(out,"\n");
1694	ret=1;
1695	if (retai)
1696		{
1697		*retai = ai;
1698		ai = NULL;
1699		}
1700err:
1701	if (out != NULL) BIO_free_all(out);
1702	if (ai != NULL) ASN1_INTEGER_free(ai);
1703	return(ret);
1704	}
1705
1706int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1707	{
1708	char buf[5][BSIZE];
1709	int i,j;
1710
1711	i = strlen(serialfile) + strlen(old_suffix);
1712	j = strlen(serialfile) + strlen(new_suffix);
1713	if (i > j) j = i;
1714	if (j + 1 >= BSIZE)
1715		{
1716		BIO_printf(bio_err,"file name too long\n");
1717		goto err;
1718		}
1719
1720#ifndef OPENSSL_SYS_VMS
1721	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1722		serialfile, new_suffix);
1723#else
1724	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1725		serialfile, new_suffix);
1726#endif
1727#ifndef OPENSSL_SYS_VMS
1728	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1729		serialfile, old_suffix);
1730#else
1731	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1732		serialfile, old_suffix);
1733#endif
1734#ifdef RL_DEBUG
1735	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1736		serialfile, buf[1]);
1737#endif
1738	if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1739#ifdef ENOTDIR
1740			&& errno != ENOTDIR
1741#endif
1742	   )		{
1743			BIO_printf(bio_err,
1744				"unable to rename %s to %s\n",
1745				serialfile, buf[1]);
1746			perror("reason");
1747			goto err;
1748			}
1749#ifdef RL_DEBUG
1750	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1751		buf[0],serialfile);
1752#endif
1753	if (rename(buf[0],serialfile) < 0)
1754		{
1755		BIO_printf(bio_err,
1756			"unable to rename %s to %s\n",
1757			buf[0],serialfile);
1758		perror("reason");
1759		rename(buf[1],serialfile);
1760		goto err;
1761		}
1762	return 1;
1763 err:
1764	return 0;
1765	}
1766
1767int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1768	{
1769	BIGNUM *btmp;
1770	int ret = 0;
1771	if (b)
1772		btmp = b;
1773	else
1774		btmp = BN_new();
1775
1776	if (!btmp)
1777		return 0;
1778
1779	if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1780		goto error;
1781	if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1782		goto error;
1783
1784	ret = 1;
1785
1786	error:
1787
1788	if (!b)
1789		BN_free(btmp);
1790
1791	return ret;
1792	}
1793
1794CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1795	{
1796	CA_DB *retdb = NULL;
1797	TXT_DB *tmpdb = NULL;
1798	BIO *in = BIO_new(BIO_s_file());
1799	CONF *dbattr_conf = NULL;
1800	char buf[1][BSIZE];
1801	long errorline= -1;
1802
1803	if (in == NULL)
1804		{
1805		ERR_print_errors(bio_err);
1806		goto err;
1807		}
1808	if (BIO_read_filename(in,dbfile) <= 0)
1809		{
1810		perror(dbfile);
1811		BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1812		goto err;
1813		}
1814	if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1815		goto err;
1816
1817#ifndef OPENSSL_SYS_VMS
1818	BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1819#else
1820	BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1821#endif
1822	dbattr_conf = NCONF_new(NULL);
1823	if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1824		{
1825		if (errorline > 0)
1826			{
1827			BIO_printf(bio_err,
1828				"error on line %ld of db attribute file '%s'\n"
1829				,errorline,buf[0]);
1830			goto err;
1831			}
1832		else
1833			{
1834			NCONF_free(dbattr_conf);
1835			dbattr_conf = NULL;
1836			}
1837		}
1838
1839	if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1840		{
1841		fprintf(stderr, "Out of memory\n");
1842		goto err;
1843		}
1844
1845	retdb->db = tmpdb;
1846	tmpdb = NULL;
1847	if (db_attr)
1848		retdb->attributes = *db_attr;
1849	else
1850		{
1851		retdb->attributes.unique_subject = 1;
1852		}
1853
1854	if (dbattr_conf)
1855		{
1856		char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1857		if (p)
1858			{
1859#ifdef RL_DEBUG
1860			BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1861#endif
1862			retdb->attributes.unique_subject = parse_yesno(p,1);
1863			}
1864		}
1865
1866 err:
1867	if (dbattr_conf) NCONF_free(dbattr_conf);
1868	if (tmpdb) TXT_DB_free(tmpdb);
1869	if (in) BIO_free_all(in);
1870	return retdb;
1871	}
1872
1873int index_index(CA_DB *db)
1874	{
1875	if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1876				LHASH_HASH_FN(index_serial),
1877				LHASH_COMP_FN(index_serial)))
1878		{
1879		BIO_printf(bio_err,
1880		  "error creating serial number index:(%ld,%ld,%ld)\n",
1881		  			db->db->error,db->db->arg1,db->db->arg2);
1882			return 0;
1883		}
1884
1885	if (db->attributes.unique_subject
1886		&& !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1887			LHASH_HASH_FN(index_name),
1888			LHASH_COMP_FN(index_name)))
1889		{
1890		BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1891			db->db->error,db->db->arg1,db->db->arg2);
1892		return 0;
1893		}
1894	return 1;
1895	}
1896
1897int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1898	{
1899	char buf[3][BSIZE];
1900	BIO *out = BIO_new(BIO_s_file());
1901	int j;
1902
1903	if (out == NULL)
1904		{
1905		ERR_print_errors(bio_err);
1906		goto err;
1907		}
1908
1909	j = strlen(dbfile) + strlen(suffix);
1910	if (j + 6 >= BSIZE)
1911		{
1912		BIO_printf(bio_err,"file name too long\n");
1913		goto err;
1914		}
1915
1916#ifndef OPENSSL_SYS_VMS
1917	j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1918#else
1919	j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1920#endif
1921#ifndef OPENSSL_SYS_VMS
1922	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1923#else
1924	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1925#endif
1926#ifndef OPENSSL_SYS_VMS
1927	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1928#else
1929	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1930#endif
1931#ifdef RL_DEBUG
1932	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1933#endif
1934	if (BIO_write_filename(out,buf[0]) <= 0)
1935		{
1936		perror(dbfile);
1937		BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1938		goto err;
1939		}
1940	j=TXT_DB_write(out,db->db);
1941	if (j <= 0) goto err;
1942
1943	BIO_free(out);
1944
1945	out = BIO_new(BIO_s_file());
1946#ifdef RL_DEBUG
1947	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1948#endif
1949	if (BIO_write_filename(out,buf[1]) <= 0)
1950		{
1951		perror(buf[2]);
1952		BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1953		goto err;
1954		}
1955	BIO_printf(out,"unique_subject = %s\n",
1956		db->attributes.unique_subject ? "yes" : "no");
1957	BIO_free(out);
1958
1959	return 1;
1960 err:
1961	return 0;
1962	}
1963
1964int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1965	{
1966	char buf[5][BSIZE];
1967	int i,j;
1968
1969	i = strlen(dbfile) + strlen(old_suffix);
1970	j = strlen(dbfile) + strlen(new_suffix);
1971	if (i > j) j = i;
1972	if (j + 6 >= BSIZE)
1973		{
1974		BIO_printf(bio_err,"file name too long\n");
1975		goto err;
1976		}
1977
1978#ifndef OPENSSL_SYS_VMS
1979	j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1980#else
1981	j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1982#endif
1983#ifndef OPENSSL_SYS_VMS
1984	j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1985		dbfile, new_suffix);
1986#else
1987	j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1988		dbfile, new_suffix);
1989#endif
1990#ifndef OPENSSL_SYS_VMS
1991	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1992		dbfile, new_suffix);
1993#else
1994	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1995		dbfile, new_suffix);
1996#endif
1997#ifndef OPENSSL_SYS_VMS
1998	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1999		dbfile, old_suffix);
2000#else
2001	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
2002		dbfile, old_suffix);
2003#endif
2004#ifndef OPENSSL_SYS_VMS
2005	j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
2006		dbfile, old_suffix);
2007#else
2008	j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
2009		dbfile, old_suffix);
2010#endif
2011#ifdef RL_DEBUG
2012	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2013		dbfile, buf[1]);
2014#endif
2015	if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
2016#ifdef ENOTDIR
2017		&& errno != ENOTDIR
2018#endif
2019	   )		{
2020			BIO_printf(bio_err,
2021				"unable to rename %s to %s\n",
2022				dbfile, buf[1]);
2023			perror("reason");
2024			goto err;
2025			}
2026#ifdef RL_DEBUG
2027	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2028		buf[0],dbfile);
2029#endif
2030	if (rename(buf[0],dbfile) < 0)
2031		{
2032		BIO_printf(bio_err,
2033			"unable to rename %s to %s\n",
2034			buf[0],dbfile);
2035		perror("reason");
2036		rename(buf[1],dbfile);
2037		goto err;
2038		}
2039#ifdef RL_DEBUG
2040	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2041		buf[4],buf[3]);
2042#endif
2043	if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
2044#ifdef ENOTDIR
2045		&& errno != ENOTDIR
2046#endif
2047	   )		{
2048			BIO_printf(bio_err,
2049				"unable to rename %s to %s\n",
2050				buf[4], buf[3]);
2051			perror("reason");
2052			rename(dbfile,buf[0]);
2053			rename(buf[1],dbfile);
2054			goto err;
2055			}
2056#ifdef RL_DEBUG
2057	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2058		buf[2],buf[4]);
2059#endif
2060	if (rename(buf[2],buf[4]) < 0)
2061		{
2062		BIO_printf(bio_err,
2063			"unable to rename %s to %s\n",
2064			buf[2],buf[4]);
2065		perror("reason");
2066		rename(buf[3],buf[4]);
2067		rename(dbfile,buf[0]);
2068		rename(buf[1],dbfile);
2069		goto err;
2070		}
2071	return 1;
2072 err:
2073	return 0;
2074	}
2075
2076void free_index(CA_DB *db)
2077	{
2078	if (db)
2079		{
2080		if (db->db) TXT_DB_free(db->db);
2081		OPENSSL_free(db);
2082		}
2083	}
2084
2085int parse_yesno(const char *str, int def)
2086	{
2087	int ret = def;
2088	if (str)
2089		{
2090		switch (*str)
2091			{
2092		case 'f': /* false */
2093		case 'F': /* FALSE */
2094		case 'n': /* no */
2095		case 'N': /* NO */
2096		case '0': /* 0 */
2097			ret = 0;
2098			break;
2099		case 't': /* true */
2100		case 'T': /* TRUE */
2101		case 'y': /* yes */
2102		case 'Y': /* YES */
2103		case '1': /* 1 */
2104			ret = 1;
2105			break;
2106		default:
2107			ret = def;
2108			break;
2109			}
2110		}
2111	return ret;
2112	}
2113
2114/*
2115 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2116 * where characters may be escaped by \
2117 */
2118X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2119	{
2120	size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2121	char *buf = OPENSSL_malloc(buflen);
2122	size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2123	char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2124	char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2125	int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2126
2127	char *sp = subject, *bp = buf;
2128	int i, ne_num = 0;
2129
2130	X509_NAME *n = NULL;
2131	int nid;
2132
2133	if (!buf || !ne_types || !ne_values)
2134		{
2135		BIO_printf(bio_err, "malloc error\n");
2136		goto error;
2137		}
2138
2139	if (*subject != '/')
2140		{
2141		BIO_printf(bio_err, "Subject does not start with '/'.\n");
2142		goto error;
2143		}
2144	sp++; /* skip leading / */
2145
2146	/* no multivalued RDN by default */
2147	mval[ne_num] = 0;
2148
2149	while (*sp)
2150		{
2151		/* collect type */
2152		ne_types[ne_num] = bp;
2153		while (*sp)
2154			{
2155			if (*sp == '\\') /* is there anything to escape in the type...? */
2156				{
2157				if (*++sp)
2158					*bp++ = *sp++;
2159				else
2160					{
2161					BIO_printf(bio_err, "escape character at end of string\n");
2162					goto error;
2163					}
2164				}
2165			else if (*sp == '=')
2166				{
2167				sp++;
2168				*bp++ = '\0';
2169				break;
2170				}
2171			else
2172				*bp++ = *sp++;
2173			}
2174		if (!*sp)
2175			{
2176			BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2177			goto error;
2178			}
2179		ne_values[ne_num] = bp;
2180		while (*sp)
2181			{
2182			if (*sp == '\\')
2183				{
2184				if (*++sp)
2185					*bp++ = *sp++;
2186				else
2187					{
2188					BIO_printf(bio_err, "escape character at end of string\n");
2189					goto error;
2190					}
2191				}
2192			else if (*sp == '/')
2193				{
2194				sp++;
2195				/* no multivalued RDN by default */
2196				mval[ne_num+1] = 0;
2197				break;
2198				}
2199			else if (*sp == '+' && multirdn)
2200				{
2201				/* a not escaped + signals a mutlivalued RDN */
2202				sp++;
2203				mval[ne_num+1] = -1;
2204				break;
2205				}
2206			else
2207				*bp++ = *sp++;
2208			}
2209		*bp++ = '\0';
2210		ne_num++;
2211		}
2212
2213	if (!(n = X509_NAME_new()))
2214		goto error;
2215
2216	for (i = 0; i < ne_num; i++)
2217		{
2218		if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2219			{
2220			BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2221			continue;
2222			}
2223
2224		if (!*ne_values[i])
2225			{
2226			BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2227			continue;
2228			}
2229
2230		if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2231			goto error;
2232		}
2233
2234	OPENSSL_free(ne_values);
2235	OPENSSL_free(ne_types);
2236	OPENSSL_free(buf);
2237	return n;
2238
2239error:
2240	X509_NAME_free(n);
2241	if (ne_values)
2242		OPENSSL_free(ne_values);
2243	if (ne_types)
2244		OPENSSL_free(ne_types);
2245	if (buf)
2246		OPENSSL_free(buf);
2247	return NULL;
2248}
2249
2250int args_verify(char ***pargs, int *pargc,
2251			int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2252	{
2253	ASN1_OBJECT *otmp = NULL;
2254	unsigned long flags = 0;
2255	int i;
2256	int purpose = 0, depth = -1;
2257	char **oldargs = *pargs;
2258	char *arg = **pargs, *argn = (*pargs)[1];
2259	if (!strcmp(arg, "-policy"))
2260		{
2261		if (!argn)
2262			*badarg = 1;
2263		else
2264			{
2265			otmp = OBJ_txt2obj(argn, 0);
2266			if (!otmp)
2267				{
2268				BIO_printf(err, "Invalid Policy \"%s\"\n",
2269									argn);
2270				*badarg = 1;
2271				}
2272			}
2273		(*pargs)++;
2274		}
2275	else if (strcmp(arg,"-purpose") == 0)
2276		{
2277		X509_PURPOSE *xptmp;
2278		if (!argn)
2279			*badarg = 1;
2280		else
2281			{
2282			i = X509_PURPOSE_get_by_sname(argn);
2283			if(i < 0)
2284				{
2285				BIO_printf(err, "unrecognized purpose\n");
2286				*badarg = 1;
2287				}
2288			else
2289				{
2290				xptmp = X509_PURPOSE_get0(i);
2291				purpose = X509_PURPOSE_get_id(xptmp);
2292				}
2293			}
2294		(*pargs)++;
2295		}
2296	else if (strcmp(arg,"-verify_depth") == 0)
2297		{
2298		if (!argn)
2299			*badarg = 1;
2300		else
2301			{
2302			depth = atoi(argn);
2303			if(depth < 0)
2304				{
2305				BIO_printf(err, "invalid depth\n");
2306				*badarg = 1;
2307				}
2308			}
2309		(*pargs)++;
2310		}
2311	else if (!strcmp(arg, "-ignore_critical"))
2312		flags |= X509_V_FLAG_IGNORE_CRITICAL;
2313	else if (!strcmp(arg, "-issuer_checks"))
2314		flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2315	else if (!strcmp(arg, "-crl_check"))
2316		flags |=  X509_V_FLAG_CRL_CHECK;
2317	else if (!strcmp(arg, "-crl_check_all"))
2318		flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2319	else if (!strcmp(arg, "-policy_check"))
2320		flags |= X509_V_FLAG_POLICY_CHECK;
2321	else if (!strcmp(arg, "-explicit_policy"))
2322		flags |= X509_V_FLAG_EXPLICIT_POLICY;
2323	else if (!strcmp(arg, "-inhibit_any"))
2324		flags |= X509_V_FLAG_INHIBIT_ANY;
2325	else if (!strcmp(arg, "-inhibit_map"))
2326		flags |= X509_V_FLAG_INHIBIT_MAP;
2327	else if (!strcmp(arg, "-x509_strict"))
2328		flags |= X509_V_FLAG_X509_STRICT;
2329	else if (!strcmp(arg, "-extended_crl"))
2330		flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2331	else if (!strcmp(arg, "-use_deltas"))
2332		flags |= X509_V_FLAG_USE_DELTAS;
2333	else if (!strcmp(arg, "-policy_print"))
2334		flags |= X509_V_FLAG_NOTIFY_POLICY;
2335	else if (!strcmp(arg, "-check_ss_sig"))
2336		flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2337	else
2338		return 0;
2339
2340	if (*badarg)
2341		{
2342		if (*pm)
2343			X509_VERIFY_PARAM_free(*pm);
2344		*pm = NULL;
2345		goto end;
2346		}
2347
2348	if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2349		{
2350		*badarg = 1;
2351		goto end;
2352		}
2353
2354	if (otmp)
2355		X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2356	if (flags)
2357		X509_VERIFY_PARAM_set_flags(*pm, flags);
2358
2359	if (purpose)
2360		X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2361
2362	if (depth >= 0)
2363		X509_VERIFY_PARAM_set_depth(*pm, depth);
2364
2365	end:
2366
2367	(*pargs)++;
2368
2369	if (pargc)
2370		*pargc -= *pargs - oldargs;
2371
2372	return 1;
2373
2374	}
2375
2376/* Read whole contents of a BIO into an allocated memory buffer and
2377 * return it.
2378 */
2379
2380int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2381	{
2382	BIO *mem;
2383	int len, ret;
2384	unsigned char tbuf[1024];
2385	mem = BIO_new(BIO_s_mem());
2386	if (!mem)
2387		return -1;
2388	for(;;)
2389		{
2390		if ((maxlen != -1) && maxlen < 1024)
2391			len = maxlen;
2392		else
2393			len = 1024;
2394		len = BIO_read(in, tbuf, len);
2395		if (len <= 0)
2396			break;
2397		if (BIO_write(mem, tbuf, len) != len)
2398			{
2399			BIO_free(mem);
2400			return -1;
2401			}
2402		maxlen -= len;
2403
2404		if (maxlen == 0)
2405			break;
2406		}
2407	ret = BIO_get_mem_data(mem, (char **)out);
2408	BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2409	BIO_free(mem);
2410	return ret;
2411	}
2412
2413int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2414	{
2415	int rv;
2416	char *stmp, *vtmp = NULL;
2417	stmp = BUF_strdup(value);
2418	if (!stmp)
2419		return -1;
2420	vtmp = strchr(stmp, ':');
2421	if (vtmp)
2422		{
2423		*vtmp = 0;
2424		vtmp++;
2425		}
2426	rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2427	OPENSSL_free(stmp);
2428	return rv;
2429	}
2430
2431static void nodes_print(BIO *out, const char *name,
2432	STACK_OF(X509_POLICY_NODE) *nodes)
2433	{
2434	X509_POLICY_NODE *node;
2435	int i;
2436	BIO_printf(out, "%s Policies:", name);
2437	if (nodes)
2438		{
2439		BIO_puts(out, "\n");
2440		for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2441			{
2442			node = sk_X509_POLICY_NODE_value(nodes, i);
2443			X509_POLICY_NODE_print(out, node, 2);
2444			}
2445		}
2446	else
2447		BIO_puts(out, " <empty>\n");
2448	}
2449
2450void policies_print(BIO *out, X509_STORE_CTX *ctx)
2451	{
2452	X509_POLICY_TREE *tree;
2453	int explicit_policy;
2454	int free_out = 0;
2455	if (out == NULL)
2456		{
2457		out = BIO_new_fp(stderr, BIO_NOCLOSE);
2458		free_out = 1;
2459		}
2460	tree = X509_STORE_CTX_get0_policy_tree(ctx);
2461	explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2462
2463	BIO_printf(out, "Require explicit Policy: %s\n",
2464				explicit_policy ? "True" : "False");
2465
2466	nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2467	nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2468	if (free_out)
2469		BIO_free(out);
2470	}
2471
2472#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2473
2474static JPAKE_CTX *jpake_init(const char *us, const char *them,
2475							 const char *secret)
2476	{
2477	BIGNUM *p = NULL;
2478	BIGNUM *g = NULL;
2479	BIGNUM *q = NULL;
2480	BIGNUM *bnsecret = BN_new();
2481	JPAKE_CTX *ctx;
2482
2483	/* Use a safe prime for p (that we found earlier) */
2484	BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2485	g = BN_new();
2486	BN_set_word(g, 2);
2487	q = BN_new();
2488	BN_rshift1(q, p);
2489
2490	BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2491
2492	ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2493	BN_free(bnsecret);
2494	BN_free(q);
2495	BN_free(g);
2496	BN_free(p);
2497
2498	return ctx;
2499	}
2500
2501static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2502	{
2503	BN_print(conn, p->gx);
2504	BIO_puts(conn, "\n");
2505	BN_print(conn, p->zkpx.gr);
2506	BIO_puts(conn, "\n");
2507	BN_print(conn, p->zkpx.b);
2508	BIO_puts(conn, "\n");
2509	}
2510
2511static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2512	{
2513	JPAKE_STEP1 s1;
2514
2515	JPAKE_STEP1_init(&s1);
2516	JPAKE_STEP1_generate(&s1, ctx);
2517	jpake_send_part(bconn, &s1.p1);
2518	jpake_send_part(bconn, &s1.p2);
2519	(void)BIO_flush(bconn);
2520	JPAKE_STEP1_release(&s1);
2521	}
2522
2523static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2524	{
2525	JPAKE_STEP2 s2;
2526
2527	JPAKE_STEP2_init(&s2);
2528	JPAKE_STEP2_generate(&s2, ctx);
2529	jpake_send_part(bconn, &s2);
2530	(void)BIO_flush(bconn);
2531	JPAKE_STEP2_release(&s2);
2532	}
2533
2534static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2535	{
2536	JPAKE_STEP3A s3a;
2537
2538	JPAKE_STEP3A_init(&s3a);
2539	JPAKE_STEP3A_generate(&s3a, ctx);
2540	BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2541	(void)BIO_flush(bconn);
2542	JPAKE_STEP3A_release(&s3a);
2543	}
2544
2545static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2546	{
2547	JPAKE_STEP3B s3b;
2548
2549	JPAKE_STEP3B_init(&s3b);
2550	JPAKE_STEP3B_generate(&s3b, ctx);
2551	BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2552	(void)BIO_flush(bconn);
2553	JPAKE_STEP3B_release(&s3b);
2554	}
2555
2556static void readbn(BIGNUM **bn, BIO *bconn)
2557	{
2558	char buf[10240];
2559	int l;
2560
2561	l = BIO_gets(bconn, buf, sizeof buf);
2562	assert(l > 0);
2563	assert(buf[l-1] == '\n');
2564	buf[l-1] = '\0';
2565	BN_hex2bn(bn, buf);
2566	}
2567
2568static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2569	{
2570	readbn(&p->gx, bconn);
2571	readbn(&p->zkpx.gr, bconn);
2572	readbn(&p->zkpx.b, bconn);
2573	}
2574
2575static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2576	{
2577	JPAKE_STEP1 s1;
2578
2579	JPAKE_STEP1_init(&s1);
2580	jpake_receive_part(&s1.p1, bconn);
2581	jpake_receive_part(&s1.p2, bconn);
2582	if(!JPAKE_STEP1_process(ctx, &s1))
2583		{
2584		ERR_print_errors(bio_err);
2585		exit(1);
2586		}
2587	JPAKE_STEP1_release(&s1);
2588	}
2589
2590static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2591	{
2592	JPAKE_STEP2 s2;
2593
2594	JPAKE_STEP2_init(&s2);
2595	jpake_receive_part(&s2, bconn);
2596	if(!JPAKE_STEP2_process(ctx, &s2))
2597		{
2598		ERR_print_errors(bio_err);
2599		exit(1);
2600		}
2601	JPAKE_STEP2_release(&s2);
2602	}
2603
2604static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2605	{
2606	JPAKE_STEP3A s3a;
2607	int l;
2608
2609	JPAKE_STEP3A_init(&s3a);
2610	l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2611	assert(l == sizeof s3a.hhk);
2612	if(!JPAKE_STEP3A_process(ctx, &s3a))
2613		{
2614		ERR_print_errors(bio_err);
2615		exit(1);
2616		}
2617	JPAKE_STEP3A_release(&s3a);
2618	}
2619
2620static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2621	{
2622	JPAKE_STEP3B s3b;
2623	int l;
2624
2625	JPAKE_STEP3B_init(&s3b);
2626	l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2627	assert(l == sizeof s3b.hk);
2628	if(!JPAKE_STEP3B_process(ctx, &s3b))
2629		{
2630		ERR_print_errors(bio_err);
2631		exit(1);
2632		}
2633	JPAKE_STEP3B_release(&s3b);
2634	}
2635
2636void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2637	{
2638	JPAKE_CTX *ctx;
2639	BIO *bconn;
2640
2641	BIO_puts(out, "Authenticating with JPAKE\n");
2642
2643	ctx = jpake_init("client", "server", secret);
2644
2645	bconn = BIO_new(BIO_f_buffer());
2646	BIO_push(bconn, conn);
2647
2648	jpake_send_step1(bconn, ctx);
2649	jpake_receive_step1(ctx, bconn);
2650	jpake_send_step2(bconn, ctx);
2651	jpake_receive_step2(ctx, bconn);
2652	jpake_send_step3a(bconn, ctx);
2653	jpake_receive_step3b(ctx, bconn);
2654
2655	BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2656
2657	psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2658
2659	BIO_pop(bconn);
2660	BIO_free(bconn);
2661
2662	JPAKE_CTX_free(ctx);
2663	}
2664
2665void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2666	{
2667	JPAKE_CTX *ctx;
2668	BIO *bconn;
2669
2670	BIO_puts(out, "Authenticating with JPAKE\n");
2671
2672	ctx = jpake_init("server", "client", secret);
2673
2674	bconn = BIO_new(BIO_f_buffer());
2675	BIO_push(bconn, conn);
2676
2677	jpake_receive_step1(ctx, bconn);
2678	jpake_send_step1(bconn, ctx);
2679	jpake_receive_step2(ctx, bconn);
2680	jpake_send_step2(bconn, ctx);
2681	jpake_receive_step3a(ctx, bconn);
2682	jpake_send_step3b(bconn, ctx);
2683
2684	BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2685
2686	psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2687
2688	BIO_pop(bconn);
2689	BIO_free(bconn);
2690
2691	JPAKE_CTX_free(ctx);
2692	}
2693
2694#endif
2695
2696/*
2697 * Platform-specific sections
2698 */
2699#if defined(_WIN32)
2700# ifdef fileno
2701#  undef fileno
2702#  define fileno(a) (int)_fileno(a)
2703# endif
2704
2705# include <windows.h>
2706# include <tchar.h>
2707
2708static int WIN32_rename(const char *from, const char *to)
2709	{
2710	TCHAR  *tfrom=NULL,*tto;
2711	DWORD	err;
2712	int	ret=0;
2713
2714	if (sizeof(TCHAR) == 1)
2715		{
2716		tfrom = (TCHAR *)from;
2717		tto   = (TCHAR *)to;
2718		}
2719	else	/* UNICODE path */
2720		{
2721		size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
2722		tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
2723		if (tfrom==NULL) goto err;
2724		tto=tfrom+flen;
2725#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2726		if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
2727#endif
2728			for (i=0;i<flen;i++)	tfrom[i]=(TCHAR)from[i];
2729#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2730		if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
2731#endif
2732			for (i=0;i<tlen;i++)	tto[i]  =(TCHAR)to[i];
2733		}
2734
2735	if (MoveFile(tfrom,tto))	goto ok;
2736	err=GetLastError();
2737	if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
2738		{
2739		if (DeleteFile(tto) && MoveFile(tfrom,tto))
2740			goto ok;
2741		err=GetLastError();
2742		}
2743	if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
2744		errno = ENOENT;
2745	else if (err==ERROR_ACCESS_DENIED)
2746		errno = EACCES;
2747	else
2748		errno = EINVAL;	/* we could map more codes... */
2749err:
2750	ret=-1;
2751ok:
2752	if (tfrom!=NULL && tfrom!=(TCHAR *)from)	free(tfrom);
2753	return ret;
2754	}
2755#endif
2756
2757/* app_tminterval section */
2758#if defined(_WIN32)
2759double app_tminterval(int stop,int usertime)
2760	{
2761	FILETIME		now;
2762	double			ret=0;
2763	static ULARGE_INTEGER	tmstart;
2764	static int		warning=1;
2765#ifdef _WIN32_WINNT
2766	static HANDLE		proc=NULL;
2767
2768	if (proc==NULL)
2769		{
2770		if (GetVersion() < 0x80000000)
2771			proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
2772						GetCurrentProcessId());
2773		if (proc==NULL) proc = (HANDLE)-1;
2774		}
2775
2776	if (usertime && proc!=(HANDLE)-1)
2777		{
2778		FILETIME junk;
2779		GetProcessTimes(proc,&junk,&junk,&junk,&now);
2780		}
2781	else
2782#endif
2783		{
2784		SYSTEMTIME systime;
2785
2786		if (usertime && warning)
2787			{
2788			BIO_printf(bio_err,"To get meaningful results, run "
2789					   "this program on idle system.\n");
2790			warning=0;
2791			}
2792		GetSystemTime(&systime);
2793		SystemTimeToFileTime(&systime,&now);
2794		}
2795
2796	if (stop==TM_START)
2797		{
2798		tmstart.u.LowPart  = now.dwLowDateTime;
2799		tmstart.u.HighPart = now.dwHighDateTime;
2800		}
2801	else	{
2802		ULARGE_INTEGER tmstop;
2803
2804		tmstop.u.LowPart   = now.dwLowDateTime;
2805		tmstop.u.HighPart  = now.dwHighDateTime;
2806
2807		ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
2808		}
2809
2810	return (ret);
2811	}
2812
2813#elif defined(OPENSSL_SYS_NETWARE)
2814#include <time.h>
2815
2816double app_tminterval(int stop,int usertime)
2817	{
2818	double		ret=0;
2819	static clock_t	tmstart;
2820	static int	warning=1;
2821
2822	if (usertime && warning)
2823		{
2824		BIO_printf(bio_err,"To get meaningful results, run "
2825				   "this program on idle system.\n");
2826		warning=0;
2827		}
2828
2829	if (stop==TM_START)	tmstart = clock();
2830	else			ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
2831
2832	return (ret);
2833	}
2834
2835#elif defined(OPENSSL_SYSTEM_VXWORKS)
2836#include <time.h>
2837
2838double app_tminterval(int stop,int usertime)
2839	{
2840	double ret=0;
2841#ifdef CLOCK_REALTIME
2842	static struct timespec	tmstart;
2843	struct timespec		now;
2844#else
2845	static unsigned long	tmstart;
2846	unsigned long		now;
2847#endif
2848	static int warning=1;
2849
2850	if (usertime && warning)
2851		{
2852		BIO_printf(bio_err,"To get meaningful results, run "
2853				   "this program on idle system.\n");
2854		warning=0;
2855		}
2856
2857#ifdef CLOCK_REALTIME
2858	clock_gettime(CLOCK_REALTIME,&now);
2859	if (stop==TM_START)	tmstart = now;
2860	else	ret = ( (now.tv_sec+now.tv_nsec*1e-9)
2861			- (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
2862#else
2863	now = tickGet();
2864	if (stop==TM_START)	tmstart = now;
2865	else			ret = (now - tmstart)/(double)sysClkRateGet();
2866#endif
2867	return (ret);
2868	}
2869
2870#elif defined(OPENSSL_SYSTEM_VMS)
2871#include <time.h>
2872#include <times.h>
2873
2874double app_tminterval(int stop,int usertime)
2875	{
2876	static clock_t	tmstart;
2877	double		ret = 0;
2878	clock_t		now;
2879#ifdef __TMS
2880	struct tms	rus;
2881
2882	now = times(&rus);
2883	if (usertime)	now = rus.tms_utime;
2884#else
2885	if (usertime)
2886		now = clock(); /* sum of user and kernel times */
2887	else	{
2888		struct timeval tv;
2889		gettimeofday(&tv,NULL);
2890		now = (clock_t)(
2891			(unsigned long long)tv.tv_sec*CLK_TCK +
2892			(unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
2893			);
2894		}
2895#endif
2896	if (stop==TM_START)	tmstart = now;
2897	else			ret = (now - tmstart)/(double)(CLK_TCK);
2898
2899	return (ret);
2900	}
2901
2902#elif defined(_SC_CLK_TCK)	/* by means of unistd.h */
2903#include <sys/times.h>
2904
2905double app_tminterval(int stop,int usertime)
2906	{
2907	double		ret = 0;
2908	struct tms	rus;
2909	clock_t		now = times(&rus);
2910	static clock_t	tmstart;
2911
2912	if (usertime)		now = rus.tms_utime;
2913
2914	if (stop==TM_START)	tmstart = now;
2915	else
2916		{
2917		long int tck = sysconf(_SC_CLK_TCK);
2918		ret = (now - tmstart)/(double)tck;
2919		}
2920
2921	return (ret);
2922	}
2923
2924#else
2925#include <sys/time.h>
2926#include <sys/resource.h>
2927
2928double app_tminterval(int stop,int usertime)
2929	{
2930	double		ret = 0;
2931	struct rusage	rus;
2932	struct timeval	now;
2933	static struct timeval tmstart;
2934
2935	if (usertime)		getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
2936	else			gettimeofday(&now,NULL);
2937
2938	if (stop==TM_START)	tmstart = now;
2939	else			ret = ( (now.tv_sec+now.tv_usec*1e-6)
2940					- (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
2941
2942	return ret;
2943	}
2944#endif
2945
2946/* app_isdir section */
2947#ifdef _WIN32
2948int app_isdir(const char *name)
2949	{
2950	HANDLE		hList;
2951	WIN32_FIND_DATA	FileData;
2952#if defined(UNICODE) || defined(_UNICODE)
2953	size_t i, len_0 = strlen(name)+1;
2954
2955	if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
2956		return -1;
2957
2958#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2959	if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
2960#endif
2961		for (i=0;i<len_0;i++)
2962			FileData.cFileName[i] = (WCHAR)name[i];
2963
2964	hList = FindFirstFile(FileData.cFileName,&FileData);
2965#else
2966	hList = FindFirstFile(name,&FileData);
2967#endif
2968	if (hList == INVALID_HANDLE_VALUE)	return -1;
2969	FindClose(hList);
2970	return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
2971	}
2972#else
2973#include <sys/stat.h>
2974#ifndef S_ISDIR
2975# if defined(_S_IFMT) && defined(_S_IFDIR)
2976#  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
2977# else
2978#  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
2979# endif
2980#endif
2981
2982int app_isdir(const char *name)
2983	{
2984#if defined(S_ISDIR)
2985	struct stat st;
2986
2987	if (stat(name,&st)==0)	return S_ISDIR(st.st_mode);
2988	else			return -1;
2989#else
2990	return -1;
2991#endif
2992	}
2993#endif
2994
2995/* raw_read|write section */
2996#if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2997int raw_read_stdin(void *buf,int siz)
2998	{
2999	DWORD n;
3000	if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
3001		return (n);
3002	else	return (-1);
3003	}
3004#else
3005int raw_read_stdin(void *buf,int siz)
3006	{	return read(fileno(stdin),buf,siz);	}
3007#endif
3008
3009#if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
3010int raw_write_stdout(const void *buf,int siz)
3011	{
3012	DWORD n;
3013	if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
3014		return (n);
3015	else	return (-1);
3016	}
3017#else
3018int raw_write_stdout(const void *buf,int siz)
3019	{	return write(fileno(stdout),buf,siz);	}
3020#endif
3021
3022#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
3023/* next_protos_parse parses a comma separated list of strings into a string
3024 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
3025 *   outlen: (output) set to the length of the resulting buffer on success.
3026 *   in: a NUL termianted string like "abc,def,ghi"
3027 *
3028 *   returns: a malloced buffer or NULL on failure.
3029 */
3030unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
3031	{
3032	size_t len;
3033	unsigned char *out;
3034	size_t i, start = 0;
3035
3036	len = strlen(in);
3037	if (len >= 65535)
3038		return NULL;
3039
3040	out = OPENSSL_malloc(strlen(in) + 1);
3041	if (!out)
3042		return NULL;
3043
3044	for (i = 0; i <= len; ++i)
3045		{
3046		if (i == len || in[i] == ',')
3047			{
3048			if (i - start > 255)
3049				{
3050				OPENSSL_free(out);
3051				return NULL;
3052				}
3053			out[start] = i - start;
3054			start = i + 1;
3055			}
3056		else
3057			out[i+1] = in[i];
3058		}
3059
3060	*outlen = len + 1;
3061	return out;
3062	}
3063#endif  /* !OPENSSL_NO_TLSEXT && !OPENSSL_NO_NEXTPROTONEG */
3064