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		setvbuf(stdin, NULL, _IONBF, 0);
802#endif
803		BIO_set_fp(cert,stdin,BIO_NOCLOSE);
804		}
805	else
806		{
807		if (BIO_read_filename(cert,file) <= 0)
808			{
809			BIO_printf(err, "Error opening %s %s\n",
810				cert_descrip, file);
811			ERR_print_errors(err);
812			goto end;
813			}
814		}
815
816	if 	(format == FORMAT_ASN1)
817		x=d2i_X509_bio(cert,NULL);
818	else if (format == FORMAT_NETSCAPE)
819		{
820		NETSCAPE_X509 *nx;
821		nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
822		if (nx == NULL)
823				goto end;
824
825		if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
826			nx->header->length) != 0))
827			{
828			NETSCAPE_X509_free(nx);
829			BIO_printf(err,"Error reading header on certificate\n");
830			goto end;
831			}
832		x=nx->cert;
833		nx->cert = NULL;
834		NETSCAPE_X509_free(nx);
835		}
836	else if (format == FORMAT_PEM)
837		x=PEM_read_bio_X509_AUX(cert,NULL,
838			(pem_password_cb *)password_callback, NULL);
839	else if (format == FORMAT_PKCS12)
840		{
841		if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
842					NULL, &x, NULL))
843			goto end;
844		}
845	else	{
846		BIO_printf(err,"bad input format specified for %s\n",
847			cert_descrip);
848		goto end;
849		}
850end:
851	if (x == NULL)
852		{
853		BIO_printf(err,"unable to load certificate\n");
854		ERR_print_errors(err);
855		}
856	if (cert != NULL) BIO_free(cert);
857	return(x);
858	}
859
860EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
861	const char *pass, ENGINE *e, const char *key_descrip)
862	{
863	BIO *key=NULL;
864	EVP_PKEY *pkey=NULL;
865	PW_CB_DATA cb_data;
866
867	cb_data.password = pass;
868	cb_data.prompt_info = file;
869
870	if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
871		{
872		BIO_printf(err,"no keyfile specified\n");
873		goto end;
874		}
875#ifndef OPENSSL_NO_ENGINE
876	if (format == FORMAT_ENGINE)
877		{
878		if (!e)
879			BIO_printf(err,"no engine specified\n");
880		else
881			{
882			pkey = ENGINE_load_private_key(e, file,
883				ui_method, &cb_data);
884			if (!pkey)
885				{
886				BIO_printf(err,"cannot load %s from engine\n",key_descrip);
887				ERR_print_errors(err);
888				}
889			}
890		goto end;
891		}
892#endif
893	key=BIO_new(BIO_s_file());
894	if (key == NULL)
895		{
896		ERR_print_errors(err);
897		goto end;
898		}
899	if (file == NULL && maybe_stdin)
900		{
901#ifdef _IONBF
902		setvbuf(stdin, NULL, _IONBF, 0);
903#endif
904		BIO_set_fp(key,stdin,BIO_NOCLOSE);
905		}
906	else
907		if (BIO_read_filename(key,file) <= 0)
908			{
909			BIO_printf(err, "Error opening %s %s\n",
910				key_descrip, file);
911			ERR_print_errors(err);
912			goto end;
913			}
914	if (format == FORMAT_ASN1)
915		{
916		pkey=d2i_PrivateKey_bio(key, NULL);
917		}
918	else if (format == FORMAT_PEM)
919		{
920		pkey=PEM_read_bio_PrivateKey(key,NULL,
921			(pem_password_cb *)password_callback, &cb_data);
922		}
923#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
924	else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
925		pkey = load_netscape_key(err, key, file, key_descrip, format);
926#endif
927	else if (format == FORMAT_PKCS12)
928		{
929		if (!load_pkcs12(err, key, key_descrip,
930				(pem_password_cb *)password_callback, &cb_data,
931				&pkey, NULL, NULL))
932			goto end;
933		}
934#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
935	else if (format == FORMAT_MSBLOB)
936		pkey = b2i_PrivateKey_bio(key);
937	else if (format == FORMAT_PVK)
938		pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
939								&cb_data);
940#endif
941	else
942		{
943		BIO_printf(err,"bad input format specified for key file\n");
944		goto end;
945		}
946 end:
947	if (key != NULL) BIO_free(key);
948	if (pkey == NULL)
949		{
950		BIO_printf(err,"unable to load %s\n", key_descrip);
951		ERR_print_errors(err);
952		}
953	return(pkey);
954	}
955
956EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
957	const char *pass, ENGINE *e, const char *key_descrip)
958	{
959	BIO *key=NULL;
960	EVP_PKEY *pkey=NULL;
961	PW_CB_DATA cb_data;
962
963	cb_data.password = pass;
964	cb_data.prompt_info = file;
965
966	if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
967		{
968		BIO_printf(err,"no keyfile specified\n");
969		goto end;
970		}
971#ifndef OPENSSL_NO_ENGINE
972	if (format == FORMAT_ENGINE)
973		{
974		if (!e)
975			BIO_printf(bio_err,"no engine specified\n");
976		else
977			pkey = ENGINE_load_public_key(e, file,
978				ui_method, &cb_data);
979		goto end;
980		}
981#endif
982	key=BIO_new(BIO_s_file());
983	if (key == NULL)
984		{
985		ERR_print_errors(err);
986		goto end;
987		}
988	if (file == NULL && maybe_stdin)
989		{
990#ifdef _IONBF
991		setvbuf(stdin, NULL, _IONBF, 0);
992#endif
993		BIO_set_fp(key,stdin,BIO_NOCLOSE);
994		}
995	else
996		if (BIO_read_filename(key,file) <= 0)
997			{
998			BIO_printf(err, "Error opening %s %s\n",
999				key_descrip, file);
1000			ERR_print_errors(err);
1001			goto end;
1002		}
1003	if (format == FORMAT_ASN1)
1004		{
1005		pkey=d2i_PUBKEY_bio(key, NULL);
1006		}
1007#ifndef OPENSSL_NO_RSA
1008	else if (format == FORMAT_ASN1RSA)
1009		{
1010		RSA *rsa;
1011		rsa = d2i_RSAPublicKey_bio(key, NULL);
1012		if (rsa)
1013			{
1014			pkey = EVP_PKEY_new();
1015			if (pkey)
1016				EVP_PKEY_set1_RSA(pkey, rsa);
1017			RSA_free(rsa);
1018			}
1019		else
1020			pkey = NULL;
1021		}
1022	else if (format == FORMAT_PEMRSA)
1023		{
1024		RSA *rsa;
1025		rsa = PEM_read_bio_RSAPublicKey(key, NULL,
1026			(pem_password_cb *)password_callback, &cb_data);
1027		if (rsa)
1028			{
1029			pkey = EVP_PKEY_new();
1030			if (pkey)
1031				EVP_PKEY_set1_RSA(pkey, rsa);
1032			RSA_free(rsa);
1033			}
1034		else
1035			pkey = NULL;
1036		}
1037#endif
1038	else if (format == FORMAT_PEM)
1039		{
1040		pkey=PEM_read_bio_PUBKEY(key,NULL,
1041			(pem_password_cb *)password_callback, &cb_data);
1042		}
1043#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1044	else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1045		pkey = load_netscape_key(err, key, file, key_descrip, format);
1046#endif
1047#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1048	else if (format == FORMAT_MSBLOB)
1049		pkey = b2i_PublicKey_bio(key);
1050#endif
1051	else
1052		{
1053		BIO_printf(err,"bad input format specified for key file\n");
1054		goto end;
1055		}
1056 end:
1057	if (key != NULL) BIO_free(key);
1058	if (pkey == NULL)
1059		BIO_printf(err,"unable to load %s\n", key_descrip);
1060	return(pkey);
1061	}
1062
1063#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1064static EVP_PKEY *
1065load_netscape_key(BIO *err, BIO *key, const char *file,
1066		const char *key_descrip, int format)
1067	{
1068	EVP_PKEY *pkey;
1069	BUF_MEM *buf;
1070	RSA	*rsa;
1071	const unsigned char *p;
1072	int size, i;
1073
1074	buf=BUF_MEM_new();
1075	pkey = EVP_PKEY_new();
1076	size = 0;
1077	if (buf == NULL || pkey == NULL)
1078		goto error;
1079	for (;;)
1080		{
1081		if (!BUF_MEM_grow_clean(buf,size+1024*10))
1082			goto error;
1083		i = BIO_read(key, &(buf->data[size]), 1024*10);
1084		size += i;
1085		if (i == 0)
1086			break;
1087		if (i < 0)
1088			{
1089				BIO_printf(err, "Error reading %s %s",
1090					key_descrip, file);
1091				goto error;
1092			}
1093		}
1094	p=(unsigned char *)buf->data;
1095	rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1096		(format == FORMAT_IISSGC ? 1 : 0));
1097	if (rsa == NULL)
1098		goto error;
1099	BUF_MEM_free(buf);
1100	EVP_PKEY_set1_RSA(pkey, rsa);
1101	return pkey;
1102error:
1103	BUF_MEM_free(buf);
1104	EVP_PKEY_free(pkey);
1105	return NULL;
1106	}
1107#endif /* ndef OPENSSL_NO_RC4 */
1108
1109static int load_certs_crls(BIO *err, const char *file, int format,
1110	const char *pass, ENGINE *e, const char *desc,
1111	STACK_OF(X509) **pcerts, STACK_OF(X509_CRL) **pcrls)
1112	{
1113	int i;
1114	BIO *bio;
1115	STACK_OF(X509_INFO) *xis = NULL;
1116	X509_INFO *xi;
1117	PW_CB_DATA cb_data;
1118	int rv = 0;
1119
1120	cb_data.password = pass;
1121	cb_data.prompt_info = file;
1122
1123	if (format != FORMAT_PEM)
1124		{
1125		BIO_printf(err,"bad input format specified for %s\n", desc);
1126		return 0;
1127		}
1128
1129	if (file == NULL)
1130		bio = BIO_new_fp(stdin,BIO_NOCLOSE);
1131	else
1132		bio = BIO_new_file(file, "r");
1133
1134	if (bio == NULL)
1135		{
1136		BIO_printf(err, "Error opening %s %s\n",
1137				desc, file ? file : "stdin");
1138		ERR_print_errors(err);
1139		return 0;
1140		}
1141
1142	xis = PEM_X509_INFO_read_bio(bio, NULL,
1143				(pem_password_cb *)password_callback, &cb_data);
1144
1145	BIO_free(bio);
1146
1147	if (pcerts)
1148		{
1149		*pcerts = sk_X509_new_null();
1150		if (!*pcerts)
1151			goto end;
1152		}
1153
1154	if (pcrls)
1155		{
1156		*pcrls = sk_X509_CRL_new_null();
1157		if (!*pcrls)
1158			goto end;
1159		}
1160
1161	for(i = 0; i < sk_X509_INFO_num(xis); i++)
1162		{
1163		xi = sk_X509_INFO_value (xis, i);
1164		if (xi->x509 && pcerts)
1165			{
1166			if (!sk_X509_push(*pcerts, xi->x509))
1167				goto end;
1168			xi->x509 = NULL;
1169			}
1170		if (xi->crl && pcrls)
1171			{
1172			if (!sk_X509_CRL_push(*pcrls, xi->crl))
1173				goto end;
1174			xi->crl = NULL;
1175			}
1176		}
1177
1178	if (pcerts && sk_X509_num(*pcerts) > 0)
1179		rv = 1;
1180
1181	if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1182		rv = 1;
1183
1184	end:
1185
1186	if (xis)
1187		sk_X509_INFO_pop_free(xis, X509_INFO_free);
1188
1189	if (rv == 0)
1190		{
1191		if (pcerts)
1192			{
1193			sk_X509_pop_free(*pcerts, X509_free);
1194			*pcerts = NULL;
1195			}
1196		if (pcrls)
1197			{
1198			sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1199			*pcrls = NULL;
1200			}
1201		BIO_printf(err,"unable to load %s\n",
1202				pcerts ? "certificates" : "CRLs");
1203		ERR_print_errors(err);
1204		}
1205	return rv;
1206	}
1207
1208STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1209	const char *pass, ENGINE *e, const char *desc)
1210	{
1211	STACK_OF(X509) *certs;
1212	load_certs_crls(err, file, format, pass, e, desc, &certs, NULL);
1213	return certs;
1214	}
1215
1216STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1217	const char *pass, ENGINE *e, const char *desc)
1218	{
1219	STACK_OF(X509_CRL) *crls;
1220	load_certs_crls(err, file, format, pass, e, desc, NULL, &crls);
1221	return crls;
1222	}
1223
1224#define X509V3_EXT_UNKNOWN_MASK		(0xfL << 16)
1225/* Return error for unknown extensions */
1226#define X509V3_EXT_DEFAULT		0
1227/* Print error for unknown extensions */
1228#define X509V3_EXT_ERROR_UNKNOWN	(1L << 16)
1229/* ASN1 parse unknown extensions */
1230#define X509V3_EXT_PARSE_UNKNOWN	(2L << 16)
1231/* BIO_dump unknown extensions */
1232#define X509V3_EXT_DUMP_UNKNOWN		(3L << 16)
1233
1234#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1235			 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1236
1237int set_cert_ex(unsigned long *flags, const char *arg)
1238{
1239	static const NAME_EX_TBL cert_tbl[] = {
1240		{ "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1241		{ "ca_default", X509_FLAG_CA, 0xffffffffl},
1242		{ "no_header", X509_FLAG_NO_HEADER, 0},
1243		{ "no_version", X509_FLAG_NO_VERSION, 0},
1244		{ "no_serial", X509_FLAG_NO_SERIAL, 0},
1245		{ "no_signame", X509_FLAG_NO_SIGNAME, 0},
1246		{ "no_validity", X509_FLAG_NO_VALIDITY, 0},
1247		{ "no_subject", X509_FLAG_NO_SUBJECT, 0},
1248		{ "no_issuer", X509_FLAG_NO_ISSUER, 0},
1249		{ "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1250		{ "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1251		{ "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1252		{ "no_aux", X509_FLAG_NO_AUX, 0},
1253		{ "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1254		{ "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1255		{ "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1256		{ "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1257		{ "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1258		{ NULL, 0, 0}
1259	};
1260	return set_multi_opts(flags, arg, cert_tbl);
1261}
1262
1263int set_name_ex(unsigned long *flags, const char *arg)
1264{
1265	static const NAME_EX_TBL ex_tbl[] = {
1266		{ "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1267		{ "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1268		{ "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1269		{ "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1270		{ "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1271		{ "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1272		{ "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1273		{ "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1274		{ "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1275		{ "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1276		{ "compat", XN_FLAG_COMPAT, 0xffffffffL},
1277		{ "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1278		{ "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1279		{ "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1280		{ "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1281		{ "dn_rev", XN_FLAG_DN_REV, 0},
1282		{ "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1283		{ "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1284		{ "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1285		{ "align", XN_FLAG_FN_ALIGN, 0},
1286		{ "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1287		{ "space_eq", XN_FLAG_SPC_EQ, 0},
1288		{ "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1289		{ "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1290		{ "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1291		{ "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1292		{ "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1293		{ NULL, 0, 0}
1294	};
1295	return set_multi_opts(flags, arg, ex_tbl);
1296}
1297
1298int set_ext_copy(int *copy_type, const char *arg)
1299{
1300	if (!strcasecmp(arg, "none"))
1301		*copy_type = EXT_COPY_NONE;
1302	else if (!strcasecmp(arg, "copy"))
1303		*copy_type = EXT_COPY_ADD;
1304	else if (!strcasecmp(arg, "copyall"))
1305		*copy_type = EXT_COPY_ALL;
1306	else
1307		return 0;
1308	return 1;
1309}
1310
1311int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1312{
1313	STACK_OF(X509_EXTENSION) *exts = NULL;
1314	X509_EXTENSION *ext, *tmpext;
1315	ASN1_OBJECT *obj;
1316	int i, idx, ret = 0;
1317	if (!x || !req || (copy_type == EXT_COPY_NONE))
1318		return 1;
1319	exts = X509_REQ_get_extensions(req);
1320
1321	for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1322		ext = sk_X509_EXTENSION_value(exts, i);
1323		obj = X509_EXTENSION_get_object(ext);
1324		idx = X509_get_ext_by_OBJ(x, obj, -1);
1325		/* Does extension exist? */
1326		if (idx != -1) {
1327			/* If normal copy don't override existing extension */
1328			if (copy_type == EXT_COPY_ADD)
1329				continue;
1330			/* Delete all extensions of same type */
1331			do {
1332				tmpext = X509_get_ext(x, idx);
1333				X509_delete_ext(x, idx);
1334				X509_EXTENSION_free(tmpext);
1335				idx = X509_get_ext_by_OBJ(x, obj, -1);
1336			} while (idx != -1);
1337		}
1338		if (!X509_add_ext(x, ext, -1))
1339			goto end;
1340	}
1341
1342	ret = 1;
1343
1344	end:
1345
1346	sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1347
1348	return ret;
1349}
1350
1351
1352
1353
1354static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1355{
1356	STACK_OF(CONF_VALUE) *vals;
1357	CONF_VALUE *val;
1358	int i, ret = 1;
1359	if(!arg) return 0;
1360	vals = X509V3_parse_list(arg);
1361	for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1362		val = sk_CONF_VALUE_value(vals, i);
1363		if (!set_table_opts(flags, val->name, in_tbl))
1364			ret = 0;
1365	}
1366	sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1367	return ret;
1368}
1369
1370static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1371{
1372	char c;
1373	const NAME_EX_TBL *ptbl;
1374	c = arg[0];
1375
1376	if(c == '-') {
1377		c = 0;
1378		arg++;
1379	} else if (c == '+') {
1380		c = 1;
1381		arg++;
1382	} else c = 1;
1383
1384	for(ptbl = in_tbl; ptbl->name; ptbl++) {
1385		if(!strcasecmp(arg, ptbl->name)) {
1386			*flags &= ~ptbl->mask;
1387			if(c) *flags |= ptbl->flag;
1388			else *flags &= ~ptbl->flag;
1389			return 1;
1390		}
1391	}
1392	return 0;
1393}
1394
1395void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1396{
1397	char *buf;
1398	char mline = 0;
1399	int indent = 0;
1400
1401	if(title) BIO_puts(out, title);
1402	if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1403		mline = 1;
1404		indent = 4;
1405	}
1406	if(lflags == XN_FLAG_COMPAT) {
1407		buf = X509_NAME_oneline(nm, 0, 0);
1408		BIO_puts(out, buf);
1409		BIO_puts(out, "\n");
1410		OPENSSL_free(buf);
1411	} else {
1412		if(mline) BIO_puts(out, "\n");
1413		X509_NAME_print_ex(out, nm, indent, lflags);
1414		BIO_puts(out, "\n");
1415	}
1416}
1417
1418X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1419{
1420	X509_STORE *store;
1421	X509_LOOKUP *lookup;
1422	if(!(store = X509_STORE_new())) goto end;
1423	lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1424	if (lookup == NULL) goto end;
1425	if (CAfile) {
1426		if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1427			BIO_printf(bp, "Error loading file %s\n", CAfile);
1428			goto end;
1429		}
1430	} else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1431
1432	lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1433	if (lookup == NULL) goto end;
1434	if (CApath) {
1435		if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1436			BIO_printf(bp, "Error loading directory %s\n", CApath);
1437			goto end;
1438		}
1439	} else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1440
1441	ERR_clear_error();
1442	return store;
1443	end:
1444	X509_STORE_free(store);
1445	return NULL;
1446}
1447
1448#ifndef OPENSSL_NO_ENGINE
1449/* Try to load an engine in a shareable library */
1450static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1451	{
1452	ENGINE *e = ENGINE_by_id("dynamic");
1453	if (e)
1454		{
1455		if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1456			|| !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1457			{
1458			ENGINE_free(e);
1459			e = NULL;
1460			}
1461		}
1462	return e;
1463	}
1464
1465ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1466        {
1467        ENGINE *e = NULL;
1468
1469        if (engine)
1470                {
1471		if(strcmp(engine, "auto") == 0)
1472			{
1473			BIO_printf(err,"enabling auto ENGINE support\n");
1474			ENGINE_register_all_complete();
1475			return NULL;
1476			}
1477		if((e = ENGINE_by_id(engine)) == NULL
1478			&& (e = try_load_engine(err, engine, debug)) == NULL)
1479			{
1480			BIO_printf(err,"invalid engine \"%s\"\n", engine);
1481			ERR_print_errors(err);
1482			return NULL;
1483			}
1484		if (debug)
1485			{
1486			ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1487				0, err, 0);
1488			}
1489                ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1490		if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1491			{
1492			BIO_printf(err,"can't use that engine\n");
1493			ERR_print_errors(err);
1494			ENGINE_free(e);
1495			return NULL;
1496			}
1497
1498		BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1499
1500		/* Free our "structural" reference. */
1501		ENGINE_free(e);
1502		}
1503        return e;
1504        }
1505#endif
1506
1507int load_config(BIO *err, CONF *cnf)
1508	{
1509	static int load_config_called = 0;
1510	if (load_config_called)
1511		return 1;
1512	load_config_called = 1;
1513	if (!cnf)
1514		cnf = config;
1515	if (!cnf)
1516		return 1;
1517
1518	OPENSSL_load_builtin_modules();
1519
1520	if (CONF_modules_load(cnf, NULL, 0) <= 0)
1521		{
1522		BIO_printf(err, "Error configuring OpenSSL\n");
1523		ERR_print_errors(err);
1524		return 0;
1525		}
1526	return 1;
1527	}
1528
1529char *make_config_name()
1530	{
1531	const char *t=X509_get_default_cert_area();
1532	size_t len;
1533	char *p;
1534
1535	len=strlen(t)+strlen(OPENSSL_CONF)+2;
1536	p=OPENSSL_malloc(len);
1537	BUF_strlcpy(p,t,len);
1538#ifndef OPENSSL_SYS_VMS
1539	BUF_strlcat(p,"/",len);
1540#endif
1541	BUF_strlcat(p,OPENSSL_CONF,len);
1542
1543	return p;
1544	}
1545
1546static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1547	{
1548	const char *n;
1549
1550	n=a[DB_serial];
1551	while (*n == '0') n++;
1552	return(lh_strhash(n));
1553	}
1554
1555static int index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1556	{
1557	const char *aa,*bb;
1558
1559	for (aa=a[DB_serial]; *aa == '0'; aa++);
1560	for (bb=b[DB_serial]; *bb == '0'; bb++);
1561	return(strcmp(aa,bb));
1562	}
1563
1564static int index_name_qual(char **a)
1565	{ return(a[0][0] == 'V'); }
1566
1567static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1568	{ return(lh_strhash(a[DB_name])); }
1569
1570int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1571	{ return(strcmp(a[DB_name], b[DB_name])); }
1572
1573static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1574static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1575static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1576static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1577
1578#undef BSIZE
1579#define BSIZE 256
1580
1581BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1582	{
1583	BIO *in=NULL;
1584	BIGNUM *ret=NULL;
1585	MS_STATIC char buf[1024];
1586	ASN1_INTEGER *ai=NULL;
1587
1588	ai=ASN1_INTEGER_new();
1589	if (ai == NULL) goto err;
1590
1591	if ((in=BIO_new(BIO_s_file())) == NULL)
1592		{
1593		ERR_print_errors(bio_err);
1594		goto err;
1595		}
1596
1597	if (BIO_read_filename(in,serialfile) <= 0)
1598		{
1599		if (!create)
1600			{
1601			perror(serialfile);
1602			goto err;
1603			}
1604		else
1605			{
1606			ret=BN_new();
1607			if (ret == NULL || !rand_serial(ret, ai))
1608				BIO_printf(bio_err, "Out of memory\n");
1609			}
1610		}
1611	else
1612		{
1613		if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1614			{
1615			BIO_printf(bio_err,"unable to load number from %s\n",
1616				serialfile);
1617			goto err;
1618			}
1619		ret=ASN1_INTEGER_to_BN(ai,NULL);
1620		if (ret == NULL)
1621			{
1622			BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1623			goto err;
1624			}
1625		}
1626
1627	if (ret && retai)
1628		{
1629		*retai = ai;
1630		ai = NULL;
1631		}
1632 err:
1633	if (in != NULL) BIO_free(in);
1634	if (ai != NULL) ASN1_INTEGER_free(ai);
1635	return(ret);
1636	}
1637
1638int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1639	{
1640	char buf[1][BSIZE];
1641	BIO *out = NULL;
1642	int ret=0;
1643	ASN1_INTEGER *ai=NULL;
1644	int j;
1645
1646	if (suffix == NULL)
1647		j = strlen(serialfile);
1648	else
1649		j = strlen(serialfile) + strlen(suffix) + 1;
1650	if (j >= BSIZE)
1651		{
1652		BIO_printf(bio_err,"file name too long\n");
1653		goto err;
1654		}
1655
1656	if (suffix == NULL)
1657		BUF_strlcpy(buf[0], serialfile, BSIZE);
1658	else
1659		{
1660#ifndef OPENSSL_SYS_VMS
1661		j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1662#else
1663		j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1664#endif
1665		}
1666#ifdef RL_DEBUG
1667	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1668#endif
1669	out=BIO_new(BIO_s_file());
1670	if (out == NULL)
1671		{
1672		ERR_print_errors(bio_err);
1673		goto err;
1674		}
1675	if (BIO_write_filename(out,buf[0]) <= 0)
1676		{
1677		perror(serialfile);
1678		goto err;
1679		}
1680
1681	if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1682		{
1683		BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1684		goto err;
1685		}
1686	i2a_ASN1_INTEGER(out,ai);
1687	BIO_puts(out,"\n");
1688	ret=1;
1689	if (retai)
1690		{
1691		*retai = ai;
1692		ai = NULL;
1693		}
1694err:
1695	if (out != NULL) BIO_free_all(out);
1696	if (ai != NULL) ASN1_INTEGER_free(ai);
1697	return(ret);
1698	}
1699
1700int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1701	{
1702	char buf[5][BSIZE];
1703	int i,j;
1704
1705	i = strlen(serialfile) + strlen(old_suffix);
1706	j = strlen(serialfile) + strlen(new_suffix);
1707	if (i > j) j = i;
1708	if (j + 1 >= BSIZE)
1709		{
1710		BIO_printf(bio_err,"file name too long\n");
1711		goto err;
1712		}
1713
1714#ifndef OPENSSL_SYS_VMS
1715	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1716		serialfile, new_suffix);
1717#else
1718	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1719		serialfile, new_suffix);
1720#endif
1721#ifndef OPENSSL_SYS_VMS
1722	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1723		serialfile, old_suffix);
1724#else
1725	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1726		serialfile, old_suffix);
1727#endif
1728#ifdef RL_DEBUG
1729	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1730		serialfile, buf[1]);
1731#endif
1732	if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1733#ifdef ENOTDIR
1734			&& errno != ENOTDIR
1735#endif
1736	   )		{
1737			BIO_printf(bio_err,
1738				"unable to rename %s to %s\n",
1739				serialfile, buf[1]);
1740			perror("reason");
1741			goto err;
1742			}
1743#ifdef RL_DEBUG
1744	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1745		buf[0],serialfile);
1746#endif
1747	if (rename(buf[0],serialfile) < 0)
1748		{
1749		BIO_printf(bio_err,
1750			"unable to rename %s to %s\n",
1751			buf[0],serialfile);
1752		perror("reason");
1753		rename(buf[1],serialfile);
1754		goto err;
1755		}
1756	return 1;
1757 err:
1758	return 0;
1759	}
1760
1761int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1762	{
1763	BIGNUM *btmp;
1764	int ret = 0;
1765	if (b)
1766		btmp = b;
1767	else
1768		btmp = BN_new();
1769
1770	if (!btmp)
1771		return 0;
1772
1773	if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1774		goto error;
1775	if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1776		goto error;
1777
1778	ret = 1;
1779
1780	error:
1781
1782	if (!b)
1783		BN_free(btmp);
1784
1785	return ret;
1786	}
1787
1788CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1789	{
1790	CA_DB *retdb = NULL;
1791	TXT_DB *tmpdb = NULL;
1792	BIO *in = BIO_new(BIO_s_file());
1793	CONF *dbattr_conf = NULL;
1794	char buf[1][BSIZE];
1795	long errorline= -1;
1796
1797	if (in == NULL)
1798		{
1799		ERR_print_errors(bio_err);
1800		goto err;
1801		}
1802	if (BIO_read_filename(in,dbfile) <= 0)
1803		{
1804		perror(dbfile);
1805		BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1806		goto err;
1807		}
1808	if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1809		goto err;
1810
1811#ifndef OPENSSL_SYS_VMS
1812	BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1813#else
1814	BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1815#endif
1816	dbattr_conf = NCONF_new(NULL);
1817	if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1818		{
1819		if (errorline > 0)
1820			{
1821			BIO_printf(bio_err,
1822				"error on line %ld of db attribute file '%s'\n"
1823				,errorline,buf[0]);
1824			goto err;
1825			}
1826		else
1827			{
1828			NCONF_free(dbattr_conf);
1829			dbattr_conf = NULL;
1830			}
1831		}
1832
1833	if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1834		{
1835		fprintf(stderr, "Out of memory\n");
1836		goto err;
1837		}
1838
1839	retdb->db = tmpdb;
1840	tmpdb = NULL;
1841	if (db_attr)
1842		retdb->attributes = *db_attr;
1843	else
1844		{
1845		retdb->attributes.unique_subject = 1;
1846		}
1847
1848	if (dbattr_conf)
1849		{
1850		char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1851		if (p)
1852			{
1853#ifdef RL_DEBUG
1854			BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1855#endif
1856			retdb->attributes.unique_subject = parse_yesno(p,1);
1857			}
1858		}
1859
1860 err:
1861	if (dbattr_conf) NCONF_free(dbattr_conf);
1862	if (tmpdb) TXT_DB_free(tmpdb);
1863	if (in) BIO_free_all(in);
1864	return retdb;
1865	}
1866
1867int index_index(CA_DB *db)
1868	{
1869	if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1870				LHASH_HASH_FN(index_serial),
1871				LHASH_COMP_FN(index_serial)))
1872		{
1873		BIO_printf(bio_err,
1874		  "error creating serial number index:(%ld,%ld,%ld)\n",
1875		  			db->db->error,db->db->arg1,db->db->arg2);
1876			return 0;
1877		}
1878
1879	if (db->attributes.unique_subject
1880		&& !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1881			LHASH_HASH_FN(index_name),
1882			LHASH_COMP_FN(index_name)))
1883		{
1884		BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1885			db->db->error,db->db->arg1,db->db->arg2);
1886		return 0;
1887		}
1888	return 1;
1889	}
1890
1891int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1892	{
1893	char buf[3][BSIZE];
1894	BIO *out = BIO_new(BIO_s_file());
1895	int j;
1896
1897	if (out == NULL)
1898		{
1899		ERR_print_errors(bio_err);
1900		goto err;
1901		}
1902
1903	j = strlen(dbfile) + strlen(suffix);
1904	if (j + 6 >= BSIZE)
1905		{
1906		BIO_printf(bio_err,"file name too long\n");
1907		goto err;
1908		}
1909
1910#ifndef OPENSSL_SYS_VMS
1911	j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1912#else
1913	j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1914#endif
1915#ifndef OPENSSL_SYS_VMS
1916	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1917#else
1918	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1919#endif
1920#ifndef OPENSSL_SYS_VMS
1921	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1922#else
1923	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1924#endif
1925#ifdef RL_DEBUG
1926	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1927#endif
1928	if (BIO_write_filename(out,buf[0]) <= 0)
1929		{
1930		perror(dbfile);
1931		BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1932		goto err;
1933		}
1934	j=TXT_DB_write(out,db->db);
1935	if (j <= 0) goto err;
1936
1937	BIO_free(out);
1938
1939	out = BIO_new(BIO_s_file());
1940#ifdef RL_DEBUG
1941	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1942#endif
1943	if (BIO_write_filename(out,buf[1]) <= 0)
1944		{
1945		perror(buf[2]);
1946		BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1947		goto err;
1948		}
1949	BIO_printf(out,"unique_subject = %s\n",
1950		db->attributes.unique_subject ? "yes" : "no");
1951	BIO_free(out);
1952
1953	return 1;
1954 err:
1955	return 0;
1956	}
1957
1958int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1959	{
1960	char buf[5][BSIZE];
1961	int i,j;
1962
1963	i = strlen(dbfile) + strlen(old_suffix);
1964	j = strlen(dbfile) + strlen(new_suffix);
1965	if (i > j) j = i;
1966	if (j + 6 >= BSIZE)
1967		{
1968		BIO_printf(bio_err,"file name too long\n");
1969		goto err;
1970		}
1971
1972#ifndef OPENSSL_SYS_VMS
1973	j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1974#else
1975	j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1976#endif
1977#ifndef OPENSSL_SYS_VMS
1978	j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1979		dbfile, new_suffix);
1980#else
1981	j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1982		dbfile, new_suffix);
1983#endif
1984#ifndef OPENSSL_SYS_VMS
1985	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1986		dbfile, new_suffix);
1987#else
1988	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1989		dbfile, new_suffix);
1990#endif
1991#ifndef OPENSSL_SYS_VMS
1992	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1993		dbfile, old_suffix);
1994#else
1995	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1996		dbfile, old_suffix);
1997#endif
1998#ifndef OPENSSL_SYS_VMS
1999	j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
2000		dbfile, old_suffix);
2001#else
2002	j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
2003		dbfile, old_suffix);
2004#endif
2005#ifdef RL_DEBUG
2006	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2007		dbfile, buf[1]);
2008#endif
2009	if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
2010#ifdef ENOTDIR
2011		&& errno != ENOTDIR
2012#endif
2013	   )		{
2014			BIO_printf(bio_err,
2015				"unable to rename %s to %s\n",
2016				dbfile, buf[1]);
2017			perror("reason");
2018			goto err;
2019			}
2020#ifdef RL_DEBUG
2021	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2022		buf[0],dbfile);
2023#endif
2024	if (rename(buf[0],dbfile) < 0)
2025		{
2026		BIO_printf(bio_err,
2027			"unable to rename %s to %s\n",
2028			buf[0],dbfile);
2029		perror("reason");
2030		rename(buf[1],dbfile);
2031		goto err;
2032		}
2033#ifdef RL_DEBUG
2034	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2035		buf[4],buf[3]);
2036#endif
2037	if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
2038#ifdef ENOTDIR
2039		&& errno != ENOTDIR
2040#endif
2041	   )		{
2042			BIO_printf(bio_err,
2043				"unable to rename %s to %s\n",
2044				buf[4], buf[3]);
2045			perror("reason");
2046			rename(dbfile,buf[0]);
2047			rename(buf[1],dbfile);
2048			goto err;
2049			}
2050#ifdef RL_DEBUG
2051	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2052		buf[2],buf[4]);
2053#endif
2054	if (rename(buf[2],buf[4]) < 0)
2055		{
2056		BIO_printf(bio_err,
2057			"unable to rename %s to %s\n",
2058			buf[2],buf[4]);
2059		perror("reason");
2060		rename(buf[3],buf[4]);
2061		rename(dbfile,buf[0]);
2062		rename(buf[1],dbfile);
2063		goto err;
2064		}
2065	return 1;
2066 err:
2067	return 0;
2068	}
2069
2070void free_index(CA_DB *db)
2071	{
2072	if (db)
2073		{
2074		if (db->db) TXT_DB_free(db->db);
2075		OPENSSL_free(db);
2076		}
2077	}
2078
2079int parse_yesno(const char *str, int def)
2080	{
2081	int ret = def;
2082	if (str)
2083		{
2084		switch (*str)
2085			{
2086		case 'f': /* false */
2087		case 'F': /* FALSE */
2088		case 'n': /* no */
2089		case 'N': /* NO */
2090		case '0': /* 0 */
2091			ret = 0;
2092			break;
2093		case 't': /* true */
2094		case 'T': /* TRUE */
2095		case 'y': /* yes */
2096		case 'Y': /* YES */
2097		case '1': /* 1 */
2098			ret = 1;
2099			break;
2100		default:
2101			ret = def;
2102			break;
2103			}
2104		}
2105	return ret;
2106	}
2107
2108/*
2109 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2110 * where characters may be escaped by \
2111 */
2112X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2113	{
2114	size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2115	char *buf = OPENSSL_malloc(buflen);
2116	size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2117	char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2118	char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2119	int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2120
2121	char *sp = subject, *bp = buf;
2122	int i, ne_num = 0;
2123
2124	X509_NAME *n = NULL;
2125	int nid;
2126
2127	if (!buf || !ne_types || !ne_values)
2128		{
2129		BIO_printf(bio_err, "malloc error\n");
2130		goto error;
2131		}
2132
2133	if (*subject != '/')
2134		{
2135		BIO_printf(bio_err, "Subject does not start with '/'.\n");
2136		goto error;
2137		}
2138	sp++; /* skip leading / */
2139
2140	/* no multivalued RDN by default */
2141	mval[ne_num] = 0;
2142
2143	while (*sp)
2144		{
2145		/* collect type */
2146		ne_types[ne_num] = bp;
2147		while (*sp)
2148			{
2149			if (*sp == '\\') /* is there anything to escape in the type...? */
2150				{
2151				if (*++sp)
2152					*bp++ = *sp++;
2153				else
2154					{
2155					BIO_printf(bio_err, "escape character at end of string\n");
2156					goto error;
2157					}
2158				}
2159			else if (*sp == '=')
2160				{
2161				sp++;
2162				*bp++ = '\0';
2163				break;
2164				}
2165			else
2166				*bp++ = *sp++;
2167			}
2168		if (!*sp)
2169			{
2170			BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2171			goto error;
2172			}
2173		ne_values[ne_num] = bp;
2174		while (*sp)
2175			{
2176			if (*sp == '\\')
2177				{
2178				if (*++sp)
2179					*bp++ = *sp++;
2180				else
2181					{
2182					BIO_printf(bio_err, "escape character at end of string\n");
2183					goto error;
2184					}
2185				}
2186			else if (*sp == '/')
2187				{
2188				sp++;
2189				/* no multivalued RDN by default */
2190				mval[ne_num+1] = 0;
2191				break;
2192				}
2193			else if (*sp == '+' && multirdn)
2194				{
2195				/* a not escaped + signals a mutlivalued RDN */
2196				sp++;
2197				mval[ne_num+1] = -1;
2198				break;
2199				}
2200			else
2201				*bp++ = *sp++;
2202			}
2203		*bp++ = '\0';
2204		ne_num++;
2205		}
2206
2207	if (!(n = X509_NAME_new()))
2208		goto error;
2209
2210	for (i = 0; i < ne_num; i++)
2211		{
2212		if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2213			{
2214			BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2215			continue;
2216			}
2217
2218		if (!*ne_values[i])
2219			{
2220			BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2221			continue;
2222			}
2223
2224		if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2225			goto error;
2226		}
2227
2228	OPENSSL_free(ne_values);
2229	OPENSSL_free(ne_types);
2230	OPENSSL_free(buf);
2231	return n;
2232
2233error:
2234	X509_NAME_free(n);
2235	if (ne_values)
2236		OPENSSL_free(ne_values);
2237	if (ne_types)
2238		OPENSSL_free(ne_types);
2239	if (buf)
2240		OPENSSL_free(buf);
2241	return NULL;
2242}
2243
2244int args_verify(char ***pargs, int *pargc,
2245			int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2246	{
2247	ASN1_OBJECT *otmp = NULL;
2248	unsigned long flags = 0;
2249	int i;
2250	int purpose = 0, depth = -1;
2251	char **oldargs = *pargs;
2252	char *arg = **pargs, *argn = (*pargs)[1];
2253	if (!strcmp(arg, "-policy"))
2254		{
2255		if (!argn)
2256			*badarg = 1;
2257		else
2258			{
2259			otmp = OBJ_txt2obj(argn, 0);
2260			if (!otmp)
2261				{
2262				BIO_printf(err, "Invalid Policy \"%s\"\n",
2263									argn);
2264				*badarg = 1;
2265				}
2266			}
2267		(*pargs)++;
2268		}
2269	else if (strcmp(arg,"-purpose") == 0)
2270		{
2271		X509_PURPOSE *xptmp;
2272		if (!argn)
2273			*badarg = 1;
2274		else
2275			{
2276			i = X509_PURPOSE_get_by_sname(argn);
2277			if(i < 0)
2278				{
2279				BIO_printf(err, "unrecognized purpose\n");
2280				*badarg = 1;
2281				}
2282			else
2283				{
2284				xptmp = X509_PURPOSE_get0(i);
2285				purpose = X509_PURPOSE_get_id(xptmp);
2286				}
2287			}
2288		(*pargs)++;
2289		}
2290	else if (strcmp(arg,"-verify_depth") == 0)
2291		{
2292		if (!argn)
2293			*badarg = 1;
2294		else
2295			{
2296			depth = atoi(argn);
2297			if(depth < 0)
2298				{
2299				BIO_printf(err, "invalid depth\n");
2300				*badarg = 1;
2301				}
2302			}
2303		(*pargs)++;
2304		}
2305	else if (!strcmp(arg, "-ignore_critical"))
2306		flags |= X509_V_FLAG_IGNORE_CRITICAL;
2307	else if (!strcmp(arg, "-issuer_checks"))
2308		flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2309	else if (!strcmp(arg, "-crl_check"))
2310		flags |=  X509_V_FLAG_CRL_CHECK;
2311	else if (!strcmp(arg, "-crl_check_all"))
2312		flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2313	else if (!strcmp(arg, "-policy_check"))
2314		flags |= X509_V_FLAG_POLICY_CHECK;
2315	else if (!strcmp(arg, "-explicit_policy"))
2316		flags |= X509_V_FLAG_EXPLICIT_POLICY;
2317	else if (!strcmp(arg, "-inhibit_any"))
2318		flags |= X509_V_FLAG_INHIBIT_ANY;
2319	else if (!strcmp(arg, "-inhibit_map"))
2320		flags |= X509_V_FLAG_INHIBIT_MAP;
2321	else if (!strcmp(arg, "-x509_strict"))
2322		flags |= X509_V_FLAG_X509_STRICT;
2323	else if (!strcmp(arg, "-extended_crl"))
2324		flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2325	else if (!strcmp(arg, "-use_deltas"))
2326		flags |= X509_V_FLAG_USE_DELTAS;
2327	else if (!strcmp(arg, "-policy_print"))
2328		flags |= X509_V_FLAG_NOTIFY_POLICY;
2329	else if (!strcmp(arg, "-check_ss_sig"))
2330		flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2331	else
2332		return 0;
2333
2334	if (*badarg)
2335		{
2336		if (*pm)
2337			X509_VERIFY_PARAM_free(*pm);
2338		*pm = NULL;
2339		goto end;
2340		}
2341
2342	if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2343		{
2344		*badarg = 1;
2345		goto end;
2346		}
2347
2348	if (otmp)
2349		X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2350	if (flags)
2351		X509_VERIFY_PARAM_set_flags(*pm, flags);
2352
2353	if (purpose)
2354		X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2355
2356	if (depth >= 0)
2357		X509_VERIFY_PARAM_set_depth(*pm, depth);
2358
2359	end:
2360
2361	(*pargs)++;
2362
2363	if (pargc)
2364		*pargc -= *pargs - oldargs;
2365
2366	return 1;
2367
2368	}
2369
2370/* Read whole contents of a BIO into an allocated memory buffer and
2371 * return it.
2372 */
2373
2374int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2375	{
2376	BIO *mem;
2377	int len, ret;
2378	unsigned char tbuf[1024];
2379	mem = BIO_new(BIO_s_mem());
2380	if (!mem)
2381		return -1;
2382	for(;;)
2383		{
2384		if ((maxlen != -1) && maxlen < 1024)
2385			len = maxlen;
2386		else
2387			len = 1024;
2388		len = BIO_read(in, tbuf, len);
2389		if (len <= 0)
2390			break;
2391		if (BIO_write(mem, tbuf, len) != len)
2392			{
2393			BIO_free(mem);
2394			return -1;
2395			}
2396		maxlen -= len;
2397
2398		if (maxlen == 0)
2399			break;
2400		}
2401	ret = BIO_get_mem_data(mem, (char **)out);
2402	BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2403	BIO_free(mem);
2404	return ret;
2405	}
2406
2407int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2408	{
2409	int rv;
2410	char *stmp, *vtmp = NULL;
2411	stmp = BUF_strdup(value);
2412	if (!stmp)
2413		return -1;
2414	vtmp = strchr(stmp, ':');
2415	if (vtmp)
2416		{
2417		*vtmp = 0;
2418		vtmp++;
2419		}
2420	rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2421	OPENSSL_free(stmp);
2422	return rv;
2423	}
2424
2425static void nodes_print(BIO *out, const char *name,
2426	STACK_OF(X509_POLICY_NODE) *nodes)
2427	{
2428	X509_POLICY_NODE *node;
2429	int i;
2430	BIO_printf(out, "%s Policies:", name);
2431	if (nodes)
2432		{
2433		BIO_puts(out, "\n");
2434		for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2435			{
2436			node = sk_X509_POLICY_NODE_value(nodes, i);
2437			X509_POLICY_NODE_print(out, node, 2);
2438			}
2439		}
2440	else
2441		BIO_puts(out, " <empty>\n");
2442	}
2443
2444void policies_print(BIO *out, X509_STORE_CTX *ctx)
2445	{
2446	X509_POLICY_TREE *tree;
2447	int explicit_policy;
2448	int free_out = 0;
2449	if (out == NULL)
2450		{
2451		out = BIO_new_fp(stderr, BIO_NOCLOSE);
2452		free_out = 1;
2453		}
2454	tree = X509_STORE_CTX_get0_policy_tree(ctx);
2455	explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2456
2457	BIO_printf(out, "Require explicit Policy: %s\n",
2458				explicit_policy ? "True" : "False");
2459
2460	nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2461	nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2462	if (free_out)
2463		BIO_free(out);
2464	}
2465
2466#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2467
2468static JPAKE_CTX *jpake_init(const char *us, const char *them,
2469							 const char *secret)
2470	{
2471	BIGNUM *p = NULL;
2472	BIGNUM *g = NULL;
2473	BIGNUM *q = NULL;
2474	BIGNUM *bnsecret = BN_new();
2475	JPAKE_CTX *ctx;
2476
2477	/* Use a safe prime for p (that we found earlier) */
2478	BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2479	g = BN_new();
2480	BN_set_word(g, 2);
2481	q = BN_new();
2482	BN_rshift1(q, p);
2483
2484	BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2485
2486	ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2487	BN_free(bnsecret);
2488	BN_free(q);
2489	BN_free(g);
2490	BN_free(p);
2491
2492	return ctx;
2493	}
2494
2495static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2496	{
2497	BN_print(conn, p->gx);
2498	BIO_puts(conn, "\n");
2499	BN_print(conn, p->zkpx.gr);
2500	BIO_puts(conn, "\n");
2501	BN_print(conn, p->zkpx.b);
2502	BIO_puts(conn, "\n");
2503	}
2504
2505static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2506	{
2507	JPAKE_STEP1 s1;
2508
2509	JPAKE_STEP1_init(&s1);
2510	JPAKE_STEP1_generate(&s1, ctx);
2511	jpake_send_part(bconn, &s1.p1);
2512	jpake_send_part(bconn, &s1.p2);
2513	(void)BIO_flush(bconn);
2514	JPAKE_STEP1_release(&s1);
2515	}
2516
2517static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2518	{
2519	JPAKE_STEP2 s2;
2520
2521	JPAKE_STEP2_init(&s2);
2522	JPAKE_STEP2_generate(&s2, ctx);
2523	jpake_send_part(bconn, &s2);
2524	(void)BIO_flush(bconn);
2525	JPAKE_STEP2_release(&s2);
2526	}
2527
2528static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2529	{
2530	JPAKE_STEP3A s3a;
2531
2532	JPAKE_STEP3A_init(&s3a);
2533	JPAKE_STEP3A_generate(&s3a, ctx);
2534	BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2535	(void)BIO_flush(bconn);
2536	JPAKE_STEP3A_release(&s3a);
2537	}
2538
2539static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2540	{
2541	JPAKE_STEP3B s3b;
2542
2543	JPAKE_STEP3B_init(&s3b);
2544	JPAKE_STEP3B_generate(&s3b, ctx);
2545	BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2546	(void)BIO_flush(bconn);
2547	JPAKE_STEP3B_release(&s3b);
2548	}
2549
2550static void readbn(BIGNUM **bn, BIO *bconn)
2551	{
2552	char buf[10240];
2553	int l;
2554
2555	l = BIO_gets(bconn, buf, sizeof buf);
2556	assert(l > 0);
2557	assert(buf[l-1] == '\n');
2558	buf[l-1] = '\0';
2559	BN_hex2bn(bn, buf);
2560	}
2561
2562static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2563	{
2564	readbn(&p->gx, bconn);
2565	readbn(&p->zkpx.gr, bconn);
2566	readbn(&p->zkpx.b, bconn);
2567	}
2568
2569static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2570	{
2571	JPAKE_STEP1 s1;
2572
2573	JPAKE_STEP1_init(&s1);
2574	jpake_receive_part(&s1.p1, bconn);
2575	jpake_receive_part(&s1.p2, bconn);
2576	if(!JPAKE_STEP1_process(ctx, &s1))
2577		{
2578		ERR_print_errors(bio_err);
2579		exit(1);
2580		}
2581	JPAKE_STEP1_release(&s1);
2582	}
2583
2584static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2585	{
2586	JPAKE_STEP2 s2;
2587
2588	JPAKE_STEP2_init(&s2);
2589	jpake_receive_part(&s2, bconn);
2590	if(!JPAKE_STEP2_process(ctx, &s2))
2591		{
2592		ERR_print_errors(bio_err);
2593		exit(1);
2594		}
2595	JPAKE_STEP2_release(&s2);
2596	}
2597
2598static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2599	{
2600	JPAKE_STEP3A s3a;
2601	int l;
2602
2603	JPAKE_STEP3A_init(&s3a);
2604	l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2605	assert(l == sizeof s3a.hhk);
2606	if(!JPAKE_STEP3A_process(ctx, &s3a))
2607		{
2608		ERR_print_errors(bio_err);
2609		exit(1);
2610		}
2611	JPAKE_STEP3A_release(&s3a);
2612	}
2613
2614static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2615	{
2616	JPAKE_STEP3B s3b;
2617	int l;
2618
2619	JPAKE_STEP3B_init(&s3b);
2620	l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2621	assert(l == sizeof s3b.hk);
2622	if(!JPAKE_STEP3B_process(ctx, &s3b))
2623		{
2624		ERR_print_errors(bio_err);
2625		exit(1);
2626		}
2627	JPAKE_STEP3B_release(&s3b);
2628	}
2629
2630void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2631	{
2632	JPAKE_CTX *ctx;
2633	BIO *bconn;
2634
2635	BIO_puts(out, "Authenticating with JPAKE\n");
2636
2637	ctx = jpake_init("client", "server", secret);
2638
2639	bconn = BIO_new(BIO_f_buffer());
2640	BIO_push(bconn, conn);
2641
2642	jpake_send_step1(bconn, ctx);
2643	jpake_receive_step1(ctx, bconn);
2644	jpake_send_step2(bconn, ctx);
2645	jpake_receive_step2(ctx, bconn);
2646	jpake_send_step3a(bconn, ctx);
2647	jpake_receive_step3b(ctx, bconn);
2648
2649	BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2650
2651	psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2652
2653	BIO_pop(bconn);
2654	BIO_free(bconn);
2655
2656	JPAKE_CTX_free(ctx);
2657	}
2658
2659void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2660	{
2661	JPAKE_CTX *ctx;
2662	BIO *bconn;
2663
2664	BIO_puts(out, "Authenticating with JPAKE\n");
2665
2666	ctx = jpake_init("server", "client", secret);
2667
2668	bconn = BIO_new(BIO_f_buffer());
2669	BIO_push(bconn, conn);
2670
2671	jpake_receive_step1(ctx, bconn);
2672	jpake_send_step1(bconn, ctx);
2673	jpake_receive_step2(ctx, bconn);
2674	jpake_send_step2(bconn, ctx);
2675	jpake_receive_step3a(ctx, bconn);
2676	jpake_send_step3b(bconn, ctx);
2677
2678	BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2679
2680	psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2681
2682	BIO_pop(bconn);
2683	BIO_free(bconn);
2684
2685	JPAKE_CTX_free(ctx);
2686	}
2687
2688#endif
2689
2690/*
2691 * Platform-specific sections
2692 */
2693#if defined(_WIN32)
2694# ifdef fileno
2695#  undef fileno
2696#  define fileno(a) (int)_fileno(a)
2697# endif
2698
2699# include <windows.h>
2700# include <tchar.h>
2701
2702static int WIN32_rename(const char *from, const char *to)
2703	{
2704	TCHAR  *tfrom=NULL,*tto;
2705	DWORD	err;
2706	int	ret=0;
2707
2708	if (sizeof(TCHAR) == 1)
2709		{
2710		tfrom = (TCHAR *)from;
2711		tto   = (TCHAR *)to;
2712		}
2713	else	/* UNICODE path */
2714		{
2715		size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
2716		tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
2717		if (tfrom==NULL) goto err;
2718		tto=tfrom+flen;
2719#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2720		if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
2721#endif
2722			for (i=0;i<flen;i++)	tfrom[i]=(TCHAR)from[i];
2723#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2724		if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
2725#endif
2726			for (i=0;i<tlen;i++)	tto[i]  =(TCHAR)to[i];
2727		}
2728
2729	if (MoveFile(tfrom,tto))	goto ok;
2730	err=GetLastError();
2731	if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
2732		{
2733		if (DeleteFile(tto) && MoveFile(tfrom,tto))
2734			goto ok;
2735		err=GetLastError();
2736		}
2737	if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
2738		errno = ENOENT;
2739	else if (err==ERROR_ACCESS_DENIED)
2740		errno = EACCES;
2741	else
2742		errno = EINVAL;	/* we could map more codes... */
2743err:
2744	ret=-1;
2745ok:
2746	if (tfrom!=NULL && tfrom!=(TCHAR *)from)	free(tfrom);
2747	return ret;
2748	}
2749#endif
2750
2751/* app_tminterval section */
2752
2753#include <barrelfish/barrelfish.h>
2754extern uint64_t tscperms;
2755double app_tminterval(int stop,int usertime)
2756{
2757    static uint64_t start_time = 0;
2758
2759    if (stop == TM_START) {
2760        start_time = rdtsc();
2761        return 0;
2762    } else {
2763        return ((double)((double)(rdtsc() - start_time) / (double)tscperms)
2764                / (double)1000.0);
2765    }
2766}
2767//asq: use own implementation in Barrelfish
2768//#if defined(_WIN32)
2769//double app_tminterval(int stop,int usertime)
2770//	{
2771//	FILETIME		now;
2772//	double			ret=0;
2773//	static ULARGE_INTEGER	tmstart;
2774//	static int		warning=1;
2775//#ifdef _WIN32_WINNT
2776//	static HANDLE		proc=NULL;
2777//
2778//	if (proc==NULL)
2779//		{
2780//		if (GetVersion() < 0x80000000)
2781//			proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
2782//						GetCurrentProcessId());
2783//		if (proc==NULL) proc = (HANDLE)-1;
2784//		}
2785//
2786//	if (usertime && proc!=(HANDLE)-1)
2787//		{
2788//		FILETIME junk;
2789//		GetProcessTimes(proc,&junk,&junk,&junk,&now);
2790//		}
2791//	else
2792//#endif
2793//		{
2794//		SYSTEMTIME systime;
2795//
2796//		if (usertime && warning)
2797//			{
2798//			BIO_printf(bio_err,"To get meaningful results, run "
2799//					   "this program on idle system.\n");
2800//			warning=0;
2801//			}
2802//		GetSystemTime(&systime);
2803//		SystemTimeToFileTime(&systime,&now);
2804//		}
2805//
2806//	if (stop==TM_START)
2807//		{
2808//		tmstart.u.LowPart  = now.dwLowDateTime;
2809//		tmstart.u.HighPart = now.dwHighDateTime;
2810//		}
2811//	else	{
2812//		ULARGE_INTEGER tmstop;
2813//
2814//		tmstop.u.LowPart   = now.dwLowDateTime;
2815//		tmstop.u.HighPart  = now.dwHighDateTime;
2816//
2817//		ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
2818//		}
2819//
2820//	return (ret);
2821//	}
2822//
2823//#elif defined(OPENSSL_SYS_NETWARE)
2824//#include <time.h>
2825//
2826//double app_tminterval(int stop,int usertime)
2827//	{
2828//	double		ret=0;
2829//	static clock_t	tmstart;
2830//	static int	warning=1;
2831//
2832//	if (usertime && warning)
2833//		{
2834//		BIO_printf(bio_err,"To get meaningful results, run "
2835//				   "this program on idle system.\n");
2836//		warning=0;
2837//		}
2838//
2839//	if (stop==TM_START)	tmstart = clock();
2840//	else			ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
2841//
2842//	return (ret);
2843//	}
2844//
2845//#elif defined(OPENSSL_SYSTEM_VXWORKS)
2846//#include <time.h>
2847//
2848//double app_tminterval(int stop,int usertime)
2849//	{
2850//	double ret=0;
2851//#ifdef CLOCK_REALTIME
2852//	static struct timespec	tmstart;
2853//	struct timespec		now;
2854//#else
2855//	static unsigned long	tmstart;
2856//	unsigned long		now;
2857//#endif
2858//	static int warning=1;
2859//
2860//	if (usertime && warning)
2861//		{
2862//		BIO_printf(bio_err,"To get meaningful results, run "
2863//				   "this program on idle system.\n");
2864//		warning=0;
2865//		}
2866//
2867//#ifdef CLOCK_REALTIME
2868//	clock_gettime(CLOCK_REALTIME,&now);
2869//	if (stop==TM_START)	tmstart = now;
2870//	else	ret = ( (now.tv_sec+now.tv_nsec*1e-9)
2871//			- (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
2872//#else
2873//	now = tickGet();
2874//	if (stop==TM_START)	tmstart = now;
2875//	else			ret = (now - tmstart)/(double)sysClkRateGet();
2876//#endif
2877//	return (ret);
2878//	}
2879//
2880//#elif defined(OPENSSL_SYSTEM_VMS)
2881//#include <time.h>
2882//#include <times.h>
2883//
2884//double app_tminterval(int stop,int usertime)
2885//	{
2886//	static clock_t	tmstart;
2887//	double		ret = 0;
2888//	clock_t		now;
2889//#ifdef __TMS
2890//	struct tms	rus;
2891//
2892//	now = times(&rus);
2893//	if (usertime)	now = rus.tms_utime;
2894//#else
2895//	if (usertime)
2896//		now = clock(); /* sum of user and kernel times */
2897//	else	{
2898//		struct timeval tv;
2899//		gettimeofday(&tv,NULL);
2900//		now = (clock_t)(
2901//			(unsigned long long)tv.tv_sec*CLK_TCK +
2902//			(unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
2903//			);
2904//		}
2905//#endif
2906//	if (stop==TM_START)	tmstart = now;
2907//	else			ret = (now - tmstart)/(double)(CLK_TCK);
2908//
2909//	return (ret);
2910//	}
2911//
2912//#elif defined(_SC_CLK_TCK)	/* by means of unistd.h */
2913//#include <sys/times.h>
2914//
2915//double app_tminterval(int stop,int usertime)
2916//	{
2917//	double		ret = 0;
2918//	struct tms	rus;
2919//	clock_t		now = times(&rus);
2920//	static clock_t	tmstart;
2921//
2922//	if (usertime)		now = rus.tms_utime;
2923//
2924//	if (stop==TM_START)	tmstart = now;
2925//	else
2926//		{
2927//		long int tck = sysconf(_SC_CLK_TCK);
2928//		ret = (now - tmstart)/(double)tck;
2929//		}
2930//
2931//	return (ret);
2932//	}
2933//
2934//#else
2935//#include <sys/time.h>
2936//#include <sys/resource.h>
2937//
2938//double app_tminterval(int stop,int usertime)
2939//	{
2940//	double		ret = 0;
2941//	struct rusage	rus;
2942//	struct timeval	now;
2943//	static struct timeval tmstart;
2944//
2945//	if (usertime)		getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
2946//	else			gettimeofday(&now,NULL);
2947//
2948//	if (stop==TM_START)	tmstart = now;
2949//	else			ret = ( (now.tv_sec+now.tv_usec*1e-6)
2950//					- (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
2951//
2952//	return ret;
2953//	}
2954//#endif
2955//asq: end
2956
2957
2958
2959/* app_isdir section */
2960#ifdef _WIN32
2961int app_isdir(const char *name)
2962	{
2963	HANDLE		hList;
2964	WIN32_FIND_DATA	FileData;
2965#if defined(UNICODE) || defined(_UNICODE)
2966	size_t i, len_0 = strlen(name)+1;
2967
2968	if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
2969		return -1;
2970
2971#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2972	if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
2973#endif
2974		for (i=0;i<len_0;i++)
2975			FileData.cFileName[i] = (WCHAR)name[i];
2976
2977	hList = FindFirstFile(FileData.cFileName,&FileData);
2978#else
2979	hList = FindFirstFile(name,&FileData);
2980#endif
2981	if (hList == INVALID_HANDLE_VALUE)	return -1;
2982	FindClose(hList);
2983	return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
2984	}
2985#else
2986#include <sys/stat.h>
2987#ifndef S_ISDIR
2988# if defined(_S_IFMT) && defined(_S_IFDIR)
2989#  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
2990# else
2991#  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
2992# endif
2993#endif
2994
2995int app_isdir(const char *name)
2996	{
2997#if defined(S_ISDIR)
2998	struct stat st;
2999
3000	if (stat(name,&st)==0)	return S_ISDIR(st.st_mode);
3001	else			return -1;
3002#else
3003	return -1;
3004#endif
3005	}
3006#endif
3007
3008/* raw_read|write section */
3009#if defined(_WIN32) && defined(STD_INPUT_HANDLE)
3010int raw_read_stdin(void *buf,int siz)
3011	{
3012	DWORD n;
3013	if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
3014		return (n);
3015	else	return (-1);
3016	}
3017#else
3018int raw_read_stdin(void *buf,int siz)
3019	{	return read(fileno(stdin),buf,siz);	}
3020#endif
3021
3022#if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
3023int raw_write_stdout(const void *buf,int siz)
3024	{
3025	DWORD n;
3026	if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
3027		return (n);
3028	else	return (-1);
3029	}
3030#else
3031int raw_write_stdout(const void *buf,int siz)
3032	{	return write(fileno(stdout),buf,siz);	}
3033#endif
3034