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#include <stdio.h>
113#include <stdlib.h>
114#include <string.h>
115#include <sys/types.h>
116#include <sys/stat.h>
117#include <ctype.h>
118#include <openssl/err.h>
119#include <openssl/x509.h>
120#include <openssl/x509v3.h>
121#include <openssl/pem.h>
122#include <openssl/pkcs12.h>
123#include <openssl/ui.h>
124#include <openssl/safestack.h>
125#ifndef OPENSSL_NO_ENGINE
126#include <openssl/engine.h>
127#endif
128#ifndef OPENSSL_NO_RSA
129#include <openssl/rsa.h>
130#endif
131#include <openssl/bn.h>
132
133#define NON_MAIN
134#include "apps.h"
135#undef NON_MAIN
136
137typedef struct {
138	const char *name;
139	unsigned long flag;
140	unsigned long mask;
141} NAME_EX_TBL;
142
143static UI_METHOD *ui_method = NULL;
144
145static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
146static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
147
148#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
149/* Looks like this stuff is worth moving into separate function */
150static EVP_PKEY *
151load_netscape_key(BIO *err, BIO *key, const char *file,
152		const char *key_descrip, int format);
153#endif
154
155int app_init(long mesgwin);
156#ifdef undef /* never finished - probably never will be :-) */
157int args_from_file(char *file, int *argc, char **argv[])
158	{
159	FILE *fp;
160	int num,i;
161	unsigned int len;
162	static char *buf=NULL;
163	static char **arg=NULL;
164	char *p;
165	struct stat stbuf;
166
167	if (stat(file,&stbuf) < 0) return(0);
168
169	fp=fopen(file,"r");
170	if (fp == NULL)
171		return(0);
172
173	*argc=0;
174	*argv=NULL;
175
176	len=(unsigned int)stbuf.st_size;
177	if (buf != NULL) OPENSSL_free(buf);
178	buf=(char *)OPENSSL_malloc(len+1);
179	if (buf == NULL) return(0);
180
181	len=fread(buf,1,len,fp);
182	if (len <= 1) return(0);
183	buf[len]='\0';
184
185	i=0;
186	for (p=buf; *p; p++)
187		if (*p == '\n') i++;
188	if (arg != NULL) OPENSSL_free(arg);
189	arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
190
191	*argv=arg;
192	num=0;
193	p=buf;
194	for (;;)
195		{
196		if (!*p) break;
197		if (*p == '#') /* comment line */
198			{
199			while (*p && (*p != '\n')) p++;
200			continue;
201			}
202		/* else we have a line */
203		*(arg++)=p;
204		num++;
205		while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
206			p++;
207		if (!*p) break;
208		if (*p == '\n')
209			{
210			*(p++)='\0';
211			continue;
212			}
213		/* else it is a tab or space */
214		p++;
215		while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
216			p++;
217		if (!*p) break;
218		if (*p == '\n')
219			{
220			p++;
221			continue;
222			}
223		*(arg++)=p++;
224		num++;
225		while (*p && (*p != '\n')) p++;
226		if (!*p) break;
227		/* else *p == '\n' */
228		*(p++)='\0';
229		}
230	*argc=num;
231	return(1);
232	}
233#endif
234
235int str2fmt(char *s)
236	{
237	if 	((*s == 'D') || (*s == 'd'))
238		return(FORMAT_ASN1);
239	else if ((*s == 'T') || (*s == 't'))
240		return(FORMAT_TEXT);
241	else if ((*s == 'P') || (*s == 'p'))
242		return(FORMAT_PEM);
243	else if ((*s == 'N') || (*s == 'n'))
244		return(FORMAT_NETSCAPE);
245	else if ((*s == 'S') || (*s == 's'))
246		return(FORMAT_SMIME);
247	else if ((*s == '1')
248		|| (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
249		|| (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
250		return(FORMAT_PKCS12);
251	else if ((*s == 'E') || (*s == 'e'))
252		return(FORMAT_ENGINE);
253	else
254		return(FORMAT_UNDEF);
255	}
256
257#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
258void program_name(char *in, char *out, int size)
259	{
260	int i,n;
261	char *p=NULL;
262
263	n=strlen(in);
264	/* find the last '/', '\' or ':' */
265	for (i=n-1; i>0; i--)
266		{
267		if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
268			{
269			p= &(in[i+1]);
270			break;
271			}
272		}
273	if (p == NULL)
274		p=in;
275	n=strlen(p);
276
277#if defined(OPENSSL_SYS_NETWARE)
278   /* strip off trailing .nlm if present. */
279   if ((n > 4) && (p[n-4] == '.') &&
280      ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
281      ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
282      ((p[n-1] == 'm') || (p[n-1] == 'M')))
283      n-=4;
284#else
285	/* strip off trailing .exe if present. */
286	if ((n > 4) && (p[n-4] == '.') &&
287		((p[n-3] == 'e') || (p[n-3] == 'E')) &&
288		((p[n-2] == 'x') || (p[n-2] == 'X')) &&
289		((p[n-1] == 'e') || (p[n-1] == 'E')))
290		n-=4;
291#endif
292
293	if (n > size-1)
294		n=size-1;
295
296	for (i=0; i<n; i++)
297		{
298		if ((p[i] >= 'A') && (p[i] <= 'Z'))
299			out[i]=p[i]-'A'+'a';
300		else
301			out[i]=p[i];
302		}
303	out[n]='\0';
304	}
305#else
306#ifdef OPENSSL_SYS_VMS
307void program_name(char *in, char *out, int size)
308	{
309	char *p=in, *q;
310	char *chars=":]>";
311
312	while(*chars != '\0')
313		{
314		q=strrchr(p,*chars);
315		if (q > p)
316			p = q + 1;
317		chars++;
318		}
319
320	q=strrchr(p,'.');
321	if (q == NULL)
322		q = p + strlen(p);
323	strncpy(out,p,size-1);
324	if (q-p >= size)
325		{
326		out[size-1]='\0';
327		}
328	else
329		{
330		out[q-p]='\0';
331		}
332	}
333#else
334void program_name(char *in, char *out, int size)
335	{
336	char *p;
337
338	p=strrchr(in,'/');
339	if (p != NULL)
340		p++;
341	else
342		p=in;
343	BUF_strlcpy(out,p,size);
344	}
345#endif
346#endif
347
348int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
349	{
350	int num,len,i;
351	char *p;
352
353	*argc=0;
354	*argv=NULL;
355
356	len=strlen(buf);
357	i=0;
358	if (arg->count == 0)
359		{
360		arg->count=20;
361		arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
362		}
363	for (i=0; i<arg->count; i++)
364		arg->data[i]=NULL;
365
366	num=0;
367	p=buf;
368	for (;;)
369		{
370		/* first scan over white space */
371		if (!*p) break;
372		while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
373			p++;
374		if (!*p) break;
375
376		/* The start of something good :-) */
377		if (num >= arg->count)
378			{
379			char **tmp_p;
380			int tlen = arg->count + 20;
381			tmp_p = (char **)OPENSSL_realloc(arg->data,
382				sizeof(char *)*tlen);
383			if (tmp_p == NULL)
384				return 0;
385			arg->data  = tmp_p;
386			arg->count = tlen;
387			/* initialize newly allocated data */
388			for (i = num; i < arg->count; i++)
389				arg->data[i] = NULL;
390			}
391		arg->data[num++]=p;
392
393		/* now look for the end of this */
394		if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
395			{
396			i= *(p++);
397			arg->data[num-1]++; /* jump over quote */
398			while (*p && (*p != i))
399				p++;
400			*p='\0';
401			}
402		else
403			{
404			while (*p && ((*p != ' ') &&
405				(*p != '\t') && (*p != '\n')))
406				p++;
407
408			if (*p == '\0')
409				p--;
410			else
411				*p='\0';
412			}
413		p++;
414		}
415	*argc=num;
416	*argv=arg->data;
417	return(1);
418	}
419
420#ifndef APP_INIT
421int app_init(long mesgwin)
422	{
423	return(1);
424	}
425#endif
426
427
428int dump_cert_text (BIO *out, X509 *x)
429{
430	char *p;
431
432	p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
433	BIO_puts(out,"subject=");
434	BIO_puts(out,p);
435	OPENSSL_free(p);
436
437	p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
438	BIO_puts(out,"\nissuer=");
439	BIO_puts(out,p);
440	BIO_puts(out,"\n");
441	OPENSSL_free(p);
442
443	return 0;
444}
445
446static int ui_open(UI *ui)
447	{
448	return UI_method_get_opener(UI_OpenSSL())(ui);
449	}
450static int ui_read(UI *ui, UI_STRING *uis)
451	{
452	if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
453		&& UI_get0_user_data(ui))
454		{
455		switch(UI_get_string_type(uis))
456			{
457		case UIT_PROMPT:
458		case UIT_VERIFY:
459			{
460			const char *password =
461				((PW_CB_DATA *)UI_get0_user_data(ui))->password;
462			if (password && password[0] != '\0')
463				{
464				UI_set_result(ui, uis, password);
465				return 1;
466				}
467			}
468		default:
469			break;
470			}
471		}
472	return UI_method_get_reader(UI_OpenSSL())(ui, uis);
473	}
474static int ui_write(UI *ui, UI_STRING *uis)
475	{
476	if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
477		&& UI_get0_user_data(ui))
478		{
479		switch(UI_get_string_type(uis))
480			{
481		case UIT_PROMPT:
482		case UIT_VERIFY:
483			{
484			const char *password =
485				((PW_CB_DATA *)UI_get0_user_data(ui))->password;
486			if (password && password[0] != '\0')
487				return 1;
488			}
489		default:
490			break;
491			}
492		}
493	return UI_method_get_writer(UI_OpenSSL())(ui, uis);
494	}
495static int ui_close(UI *ui)
496	{
497	return UI_method_get_closer(UI_OpenSSL())(ui);
498	}
499int setup_ui_method(void)
500	{
501	ui_method = UI_create_method("OpenSSL application user interface");
502	UI_method_set_opener(ui_method, ui_open);
503	UI_method_set_reader(ui_method, ui_read);
504	UI_method_set_writer(ui_method, ui_write);
505	UI_method_set_closer(ui_method, ui_close);
506	return 0;
507	}
508void destroy_ui_method(void)
509	{
510	if(ui_method)
511		{
512		UI_destroy_method(ui_method);
513		ui_method = NULL;
514		}
515	}
516int password_callback(char *buf, int bufsiz, int verify,
517	PW_CB_DATA *cb_tmp)
518	{
519	UI *ui = NULL;
520	int res = 0;
521	const char *prompt_info = NULL;
522	const char *password = NULL;
523	PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
524
525	if (cb_data)
526		{
527		if (cb_data->password)
528			password = cb_data->password;
529		if (cb_data->prompt_info)
530			prompt_info = cb_data->prompt_info;
531		}
532
533	if (password)
534		{
535		res = strlen(password);
536		if (res > bufsiz)
537			res = bufsiz;
538		memcpy(buf, password, res);
539		return res;
540		}
541
542	ui = UI_new_method(ui_method);
543	if (ui)
544		{
545		int ok = 0;
546		char *buff = NULL;
547		int ui_flags = 0;
548		char *prompt = NULL;
549
550		prompt = UI_construct_prompt(ui, "pass phrase",
551			prompt_info);
552
553		ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
554		UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
555
556		if (ok >= 0)
557			ok = UI_add_input_string(ui,prompt,ui_flags,buf,
558				PW_MIN_LENGTH,BUFSIZ-1);
559		if (ok >= 0 && verify)
560			{
561			buff = (char *)OPENSSL_malloc(bufsiz);
562			ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
563				PW_MIN_LENGTH,BUFSIZ-1, buf);
564			}
565		if (ok >= 0)
566			do
567				{
568				ok = UI_process(ui);
569				}
570			while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
571
572		if (buff)
573			{
574			OPENSSL_cleanse(buff,(unsigned int)bufsiz);
575			OPENSSL_free(buff);
576			}
577
578		if (ok >= 0)
579			res = strlen(buf);
580		if (ok == -1)
581			{
582			BIO_printf(bio_err, "User interface error\n");
583			ERR_print_errors(bio_err);
584			OPENSSL_cleanse(buf,(unsigned int)bufsiz);
585			res = 0;
586			}
587		if (ok == -2)
588			{
589			BIO_printf(bio_err,"aborted!\n");
590			OPENSSL_cleanse(buf,(unsigned int)bufsiz);
591			res = 0;
592			}
593		UI_free(ui);
594		OPENSSL_free(prompt);
595		}
596	return res;
597	}
598
599static char *app_get_pass(BIO *err, char *arg, int keepbio);
600
601int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
602{
603	int same;
604	if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
605	else same = 1;
606	if(arg1) {
607		*pass1 = app_get_pass(err, arg1, same);
608		if(!*pass1) return 0;
609	} else if(pass1) *pass1 = NULL;
610	if(arg2) {
611		*pass2 = app_get_pass(err, arg2, same ? 2 : 0);
612		if(!*pass2) return 0;
613	} else if(pass2) *pass2 = NULL;
614	return 1;
615}
616
617static char *app_get_pass(BIO *err, char *arg, int keepbio)
618{
619	char *tmp, tpass[APP_PASS_LEN];
620	static BIO *pwdbio = NULL;
621	int i;
622	if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
623	if(!strncmp(arg, "env:", 4)) {
624		tmp = getenv(arg + 4);
625		if(!tmp) {
626			BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
627			return NULL;
628		}
629		return BUF_strdup(tmp);
630	}
631	if(!keepbio || !pwdbio) {
632		if(!strncmp(arg, "file:", 5)) {
633			pwdbio = BIO_new_file(arg + 5, "r");
634			if(!pwdbio) {
635				BIO_printf(err, "Can't open file %s\n", arg + 5);
636				return NULL;
637			}
638		} else if(!strncmp(arg, "fd:", 3)) {
639			BIO *btmp;
640			i = atoi(arg + 3);
641			if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
642			if((i < 0) || !pwdbio) {
643				BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
644				return NULL;
645			}
646			/* Can't do BIO_gets on an fd BIO so add a buffering BIO */
647			btmp = BIO_new(BIO_f_buffer());
648			pwdbio = BIO_push(btmp, pwdbio);
649		} else if(!strcmp(arg, "stdin")) {
650			pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
651			if(!pwdbio) {
652				BIO_printf(err, "Can't open BIO for stdin\n");
653				return NULL;
654			}
655		} else {
656			BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
657			return NULL;
658		}
659	}
660	i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
661	if(keepbio != 1) {
662		BIO_free_all(pwdbio);
663		pwdbio = NULL;
664	}
665	if(i <= 0) {
666		BIO_printf(err, "Error reading password from BIO\n");
667		return NULL;
668	}
669	tmp = strchr(tpass, '\n');
670	if(tmp) *tmp = 0;
671	return BUF_strdup(tpass);
672}
673
674int add_oid_section(BIO *err, CONF *conf)
675{
676	char *p;
677	STACK_OF(CONF_VALUE) *sktmp;
678	CONF_VALUE *cnf;
679	int i;
680	if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
681		{
682		ERR_clear_error();
683		return 1;
684		}
685	if(!(sktmp = NCONF_get_section(conf, p))) {
686		BIO_printf(err, "problem loading oid section %s\n", p);
687		return 0;
688	}
689	for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
690		cnf = sk_CONF_VALUE_value(sktmp, i);
691		if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
692			BIO_printf(err, "problem creating object %s=%s\n",
693							 cnf->name, cnf->value);
694			return 0;
695		}
696	}
697	return 1;
698}
699
700static int load_pkcs12(BIO *err, BIO *in, const char *desc,
701		pem_password_cb *pem_cb,  void *cb_data,
702		EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
703	{
704 	const char *pass;
705	char tpass[PEM_BUFSIZE];
706	int len, ret = 0;
707	PKCS12 *p12;
708	p12 = d2i_PKCS12_bio(in, NULL);
709	if (p12 == NULL)
710		{
711		BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
712		goto die;
713		}
714	/* See if an empty password will do */
715	if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
716		pass = "";
717	else
718		{
719		if (!pem_cb)
720			pem_cb = (pem_password_cb *)password_callback;
721		len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
722		if (len < 0)
723			{
724			BIO_printf(err, "Passpharse callback error for %s\n",
725					desc);
726			goto die;
727			}
728		if (len < PEM_BUFSIZE)
729			tpass[len] = 0;
730		if (!PKCS12_verify_mac(p12, tpass, len))
731			{
732			BIO_printf(err,
733	"Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
734			goto die;
735			}
736		pass = tpass;
737		}
738	ret = PKCS12_parse(p12, pass, pkey, cert, ca);
739	die:
740	if (p12)
741		PKCS12_free(p12);
742	return ret;
743	}
744
745X509 *load_cert(BIO *err, const char *file, int format,
746	const char *pass, ENGINE *e, const char *cert_descrip)
747	{
748	ASN1_HEADER *ah=NULL;
749	BUF_MEM *buf=NULL;
750	X509 *x=NULL;
751	BIO *cert;
752
753	if ((cert=BIO_new(BIO_s_file())) == NULL)
754		{
755		ERR_print_errors(err);
756		goto end;
757		}
758
759	if (file == NULL)
760		{
761		setvbuf(stdin, NULL, _IONBF, 0);
762		BIO_set_fp(cert,stdin,BIO_NOCLOSE);
763		}
764	else
765		{
766		if (BIO_read_filename(cert,file) <= 0)
767			{
768			BIO_printf(err, "Error opening %s %s\n",
769				cert_descrip, file);
770			ERR_print_errors(err);
771			goto end;
772			}
773		}
774
775	if 	(format == FORMAT_ASN1)
776		x=d2i_X509_bio(cert,NULL);
777	else if (format == FORMAT_NETSCAPE)
778		{
779		const unsigned char *p,*op;
780		int size=0,i;
781
782		/* We sort of have to do it this way because it is sort of nice
783		 * to read the header first and check it, then
784		 * try to read the certificate */
785		buf=BUF_MEM_new();
786		for (;;)
787			{
788			if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
789				goto end;
790			i=BIO_read(cert,&(buf->data[size]),1024*10);
791			size+=i;
792			if (i == 0) break;
793			if (i < 0)
794				{
795				perror("reading certificate");
796				goto end;
797				}
798			}
799		p=(unsigned char *)buf->data;
800		op=p;
801
802		/* First load the header */
803		if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
804			goto end;
805		if ((ah->header == NULL) || (ah->header->data == NULL) ||
806			(strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
807			ah->header->length) != 0))
808			{
809			BIO_printf(err,"Error reading header on certificate\n");
810			goto end;
811			}
812		/* header is ok, so now read the object */
813		p=op;
814		ah->meth=X509_asn1_meth();
815		if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
816			goto end;
817		x=(X509 *)ah->data;
818		ah->data=NULL;
819		}
820	else if (format == FORMAT_PEM)
821		x=PEM_read_bio_X509_AUX(cert,NULL,
822			(pem_password_cb *)password_callback, NULL);
823	else if (format == FORMAT_PKCS12)
824		{
825		if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
826					NULL, &x, NULL))
827			goto end;
828		}
829	else	{
830		BIO_printf(err,"bad input format specified for %s\n",
831			cert_descrip);
832		goto end;
833		}
834end:
835	if (x == NULL)
836		{
837		BIO_printf(err,"unable to load certificate\n");
838		ERR_print_errors(err);
839		}
840	if (ah != NULL) ASN1_HEADER_free(ah);
841	if (cert != NULL) BIO_free(cert);
842	if (buf != NULL) BUF_MEM_free(buf);
843	return(x);
844	}
845
846EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
847	const char *pass, ENGINE *e, const char *key_descrip)
848	{
849	BIO *key=NULL;
850	EVP_PKEY *pkey=NULL;
851	PW_CB_DATA cb_data;
852
853	cb_data.password = pass;
854	cb_data.prompt_info = file;
855
856	if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
857		{
858		BIO_printf(err,"no keyfile specified\n");
859		goto end;
860		}
861#ifndef OPENSSL_NO_ENGINE
862	if (format == FORMAT_ENGINE)
863		{
864		if (!e)
865			BIO_printf(bio_err,"no engine specified\n");
866		else
867			pkey = ENGINE_load_private_key(e, file,
868				ui_method, &cb_data);
869		goto end;
870		}
871#endif
872	key=BIO_new(BIO_s_file());
873	if (key == NULL)
874		{
875		ERR_print_errors(err);
876		goto end;
877		}
878	if (file == NULL && maybe_stdin)
879		{
880		setvbuf(stdin, NULL, _IONBF, 0);
881		BIO_set_fp(key,stdin,BIO_NOCLOSE);
882		}
883	else
884		if (BIO_read_filename(key,file) <= 0)
885			{
886			BIO_printf(err, "Error opening %s %s\n",
887				key_descrip, file);
888			ERR_print_errors(err);
889			goto end;
890			}
891	if (format == FORMAT_ASN1)
892		{
893		pkey=d2i_PrivateKey_bio(key, NULL);
894		}
895	else if (format == FORMAT_PEM)
896		{
897		pkey=PEM_read_bio_PrivateKey(key,NULL,
898			(pem_password_cb *)password_callback, &cb_data);
899		}
900#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
901	else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
902		pkey = load_netscape_key(err, key, file, key_descrip, format);
903#endif
904	else if (format == FORMAT_PKCS12)
905		{
906		if (!load_pkcs12(err, key, key_descrip,
907				(pem_password_cb *)password_callback, &cb_data,
908				&pkey, NULL, NULL))
909			goto end;
910		}
911	else
912		{
913		BIO_printf(err,"bad input format specified for key file\n");
914		goto end;
915		}
916 end:
917	if (key != NULL) BIO_free(key);
918	if (pkey == NULL)
919		BIO_printf(err,"unable to load %s\n", key_descrip);
920	return(pkey);
921	}
922
923EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
924	const char *pass, ENGINE *e, const char *key_descrip)
925	{
926	BIO *key=NULL;
927	EVP_PKEY *pkey=NULL;
928	PW_CB_DATA cb_data;
929
930	cb_data.password = pass;
931	cb_data.prompt_info = file;
932
933	if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
934		{
935		BIO_printf(err,"no keyfile specified\n");
936		goto end;
937		}
938#ifndef OPENSSL_NO_ENGINE
939	if (format == FORMAT_ENGINE)
940		{
941		if (!e)
942			BIO_printf(bio_err,"no engine specified\n");
943		else
944			pkey = ENGINE_load_public_key(e, file,
945				ui_method, &cb_data);
946		goto end;
947		}
948#endif
949	key=BIO_new(BIO_s_file());
950	if (key == NULL)
951		{
952		ERR_print_errors(err);
953		goto end;
954		}
955	if (file == NULL && maybe_stdin)
956		{
957		setvbuf(stdin, NULL, _IONBF, 0);
958		BIO_set_fp(key,stdin,BIO_NOCLOSE);
959		}
960	else
961		if (BIO_read_filename(key,file) <= 0)
962			{
963			BIO_printf(err, "Error opening %s %s\n",
964				key_descrip, file);
965			ERR_print_errors(err);
966			goto end;
967		}
968	if (format == FORMAT_ASN1)
969		{
970		pkey=d2i_PUBKEY_bio(key, NULL);
971		}
972	else if (format == FORMAT_PEM)
973		{
974		pkey=PEM_read_bio_PUBKEY(key,NULL,
975			(pem_password_cb *)password_callback, &cb_data);
976		}
977#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
978	else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
979		pkey = load_netscape_key(err, key, file, key_descrip, format);
980#endif
981	else
982		{
983		BIO_printf(err,"bad input format specified for key file\n");
984		goto end;
985		}
986 end:
987	if (key != NULL) BIO_free(key);
988	if (pkey == NULL)
989		BIO_printf(err,"unable to load %s\n", key_descrip);
990	return(pkey);
991	}
992
993#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
994static EVP_PKEY *
995load_netscape_key(BIO *err, BIO *key, const char *file,
996		const char *key_descrip, int format)
997	{
998	EVP_PKEY *pkey;
999	BUF_MEM *buf;
1000	RSA	*rsa;
1001	const unsigned char *p;
1002	int size, i;
1003
1004	buf=BUF_MEM_new();
1005	pkey = EVP_PKEY_new();
1006	size = 0;
1007	if (buf == NULL || pkey == NULL)
1008		goto error;
1009	for (;;)
1010		{
1011		if (!BUF_MEM_grow_clean(buf,size+1024*10))
1012			goto error;
1013		i = BIO_read(key, &(buf->data[size]), 1024*10);
1014		size += i;
1015		if (i == 0)
1016			break;
1017		if (i < 0)
1018			{
1019				BIO_printf(err, "Error reading %s %s",
1020					key_descrip, file);
1021				goto error;
1022			}
1023		}
1024	p=(unsigned char *)buf->data;
1025	rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1026		(format == FORMAT_IISSGC ? 1 : 0));
1027	if (rsa == NULL)
1028		goto error;
1029	BUF_MEM_free(buf);
1030	EVP_PKEY_set1_RSA(pkey, rsa);
1031	return pkey;
1032error:
1033	BUF_MEM_free(buf);
1034	EVP_PKEY_free(pkey);
1035	return NULL;
1036	}
1037#endif /* ndef OPENSSL_NO_RC4 */
1038
1039STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1040	const char *pass, ENGINE *e, const char *cert_descrip)
1041	{
1042	BIO *certs;
1043	int i;
1044	STACK_OF(X509) *othercerts = NULL;
1045	STACK_OF(X509_INFO) *allcerts = NULL;
1046	X509_INFO *xi;
1047	PW_CB_DATA cb_data;
1048
1049	cb_data.password = pass;
1050	cb_data.prompt_info = file;
1051
1052	if((certs = BIO_new(BIO_s_file())) == NULL)
1053		{
1054		ERR_print_errors(err);
1055		goto end;
1056		}
1057
1058	if (file == NULL)
1059		BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1060	else
1061		{
1062		if (BIO_read_filename(certs,file) <= 0)
1063			{
1064			BIO_printf(err, "Error opening %s %s\n",
1065				cert_descrip, file);
1066			ERR_print_errors(err);
1067			goto end;
1068			}
1069		}
1070
1071	if      (format == FORMAT_PEM)
1072		{
1073		othercerts = sk_X509_new_null();
1074		if(!othercerts)
1075			{
1076			sk_X509_free(othercerts);
1077			othercerts = NULL;
1078			goto end;
1079			}
1080		allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1081				(pem_password_cb *)password_callback, &cb_data);
1082		for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1083			{
1084			xi = sk_X509_INFO_value (allcerts, i);
1085			if (xi->x509)
1086				{
1087				sk_X509_push(othercerts, xi->x509);
1088				xi->x509 = NULL;
1089				}
1090			}
1091		goto end;
1092		}
1093	else	{
1094		BIO_printf(err,"bad input format specified for %s\n",
1095			cert_descrip);
1096		goto end;
1097		}
1098end:
1099	if (othercerts == NULL)
1100		{
1101		BIO_printf(err,"unable to load certificates\n");
1102		ERR_print_errors(err);
1103		}
1104	if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1105	if (certs != NULL) BIO_free(certs);
1106	return(othercerts);
1107	}
1108
1109
1110#define X509V3_EXT_UNKNOWN_MASK		(0xfL << 16)
1111/* Return error for unknown extensions */
1112#define X509V3_EXT_DEFAULT		0
1113/* Print error for unknown extensions */
1114#define X509V3_EXT_ERROR_UNKNOWN	(1L << 16)
1115/* ASN1 parse unknown extensions */
1116#define X509V3_EXT_PARSE_UNKNOWN	(2L << 16)
1117/* BIO_dump unknown extensions */
1118#define X509V3_EXT_DUMP_UNKNOWN		(3L << 16)
1119
1120#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1121			 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1122
1123int set_cert_ex(unsigned long *flags, const char *arg)
1124{
1125	static const NAME_EX_TBL cert_tbl[] = {
1126		{ "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1127		{ "ca_default", X509_FLAG_CA, 0xffffffffl},
1128		{ "no_header", X509_FLAG_NO_HEADER, 0},
1129		{ "no_version", X509_FLAG_NO_VERSION, 0},
1130		{ "no_serial", X509_FLAG_NO_SERIAL, 0},
1131		{ "no_signame", X509_FLAG_NO_SIGNAME, 0},
1132		{ "no_validity", X509_FLAG_NO_VALIDITY, 0},
1133		{ "no_subject", X509_FLAG_NO_SUBJECT, 0},
1134		{ "no_issuer", X509_FLAG_NO_ISSUER, 0},
1135		{ "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1136		{ "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1137		{ "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1138		{ "no_aux", X509_FLAG_NO_AUX, 0},
1139		{ "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1140		{ "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1141		{ "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1142		{ "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1143		{ "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1144		{ NULL, 0, 0}
1145	};
1146	return set_multi_opts(flags, arg, cert_tbl);
1147}
1148
1149int set_name_ex(unsigned long *flags, const char *arg)
1150{
1151	static const NAME_EX_TBL ex_tbl[] = {
1152		{ "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1153		{ "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1154		{ "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1155		{ "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1156		{ "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1157		{ "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1158		{ "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1159		{ "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1160		{ "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1161		{ "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1162		{ "compat", XN_FLAG_COMPAT, 0xffffffffL},
1163		{ "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1164		{ "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1165		{ "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1166		{ "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1167		{ "dn_rev", XN_FLAG_DN_REV, 0},
1168		{ "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1169		{ "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1170		{ "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1171		{ "align", XN_FLAG_FN_ALIGN, 0},
1172		{ "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1173		{ "space_eq", XN_FLAG_SPC_EQ, 0},
1174		{ "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1175		{ "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1176		{ "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1177		{ "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1178		{ "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1179		{ NULL, 0, 0}
1180	};
1181	return set_multi_opts(flags, arg, ex_tbl);
1182}
1183
1184int set_ext_copy(int *copy_type, const char *arg)
1185{
1186	if (!strcasecmp(arg, "none"))
1187		*copy_type = EXT_COPY_NONE;
1188	else if (!strcasecmp(arg, "copy"))
1189		*copy_type = EXT_COPY_ADD;
1190	else if (!strcasecmp(arg, "copyall"))
1191		*copy_type = EXT_COPY_ALL;
1192	else
1193		return 0;
1194	return 1;
1195}
1196
1197int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1198{
1199	STACK_OF(X509_EXTENSION) *exts = NULL;
1200	X509_EXTENSION *ext, *tmpext;
1201	ASN1_OBJECT *obj;
1202	int i, idx, ret = 0;
1203	if (!x || !req || (copy_type == EXT_COPY_NONE))
1204		return 1;
1205	exts = X509_REQ_get_extensions(req);
1206
1207	for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1208		ext = sk_X509_EXTENSION_value(exts, i);
1209		obj = X509_EXTENSION_get_object(ext);
1210		idx = X509_get_ext_by_OBJ(x, obj, -1);
1211		/* Does extension exist? */
1212		if (idx != -1) {
1213			/* If normal copy don't override existing extension */
1214			if (copy_type == EXT_COPY_ADD)
1215				continue;
1216			/* Delete all extensions of same type */
1217			do {
1218				tmpext = X509_get_ext(x, idx);
1219				X509_delete_ext(x, idx);
1220				X509_EXTENSION_free(tmpext);
1221				idx = X509_get_ext_by_OBJ(x, obj, -1);
1222			} while (idx != -1);
1223		}
1224		if (!X509_add_ext(x, ext, -1))
1225			goto end;
1226	}
1227
1228	ret = 1;
1229
1230	end:
1231
1232	sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1233
1234	return ret;
1235}
1236
1237
1238
1239
1240static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1241{
1242	STACK_OF(CONF_VALUE) *vals;
1243	CONF_VALUE *val;
1244	int i, ret = 1;
1245	if(!arg) return 0;
1246	vals = X509V3_parse_list(arg);
1247	for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1248		val = sk_CONF_VALUE_value(vals, i);
1249		if (!set_table_opts(flags, val->name, in_tbl))
1250			ret = 0;
1251	}
1252	sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1253	return ret;
1254}
1255
1256static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1257{
1258	char c;
1259	const NAME_EX_TBL *ptbl;
1260	c = arg[0];
1261
1262	if(c == '-') {
1263		c = 0;
1264		arg++;
1265	} else if (c == '+') {
1266		c = 1;
1267		arg++;
1268	} else c = 1;
1269
1270	for(ptbl = in_tbl; ptbl->name; ptbl++) {
1271		if(!strcasecmp(arg, ptbl->name)) {
1272			*flags &= ~ptbl->mask;
1273			if(c) *flags |= ptbl->flag;
1274			else *flags &= ~ptbl->flag;
1275			return 1;
1276		}
1277	}
1278	return 0;
1279}
1280
1281void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1282{
1283	char *buf;
1284	char mline = 0;
1285	int indent = 0;
1286
1287	if(title) BIO_puts(out, title);
1288	if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1289		mline = 1;
1290		indent = 4;
1291	}
1292	if(lflags == XN_FLAG_COMPAT) {
1293		buf = X509_NAME_oneline(nm, 0, 0);
1294		BIO_puts(out, buf);
1295		BIO_puts(out, "\n");
1296		OPENSSL_free(buf);
1297	} else {
1298		if(mline) BIO_puts(out, "\n");
1299		X509_NAME_print_ex(out, nm, indent, lflags);
1300		BIO_puts(out, "\n");
1301	}
1302}
1303
1304X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1305{
1306	X509_STORE *store;
1307	X509_LOOKUP *lookup;
1308	if(!(store = X509_STORE_new())) goto end;
1309	lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1310	if (lookup == NULL) goto end;
1311	if (CAfile) {
1312		if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1313			BIO_printf(bp, "Error loading file %s\n", CAfile);
1314			goto end;
1315		}
1316	} else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1317
1318	lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1319	if (lookup == NULL) goto end;
1320	if (CApath) {
1321		if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1322			BIO_printf(bp, "Error loading directory %s\n", CApath);
1323			goto end;
1324		}
1325	} else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1326
1327	ERR_clear_error();
1328	return store;
1329	end:
1330	X509_STORE_free(store);
1331	return NULL;
1332}
1333
1334#ifndef OPENSSL_NO_ENGINE
1335/* Try to load an engine in a shareable library */
1336static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1337	{
1338	ENGINE *e = ENGINE_by_id("dynamic");
1339	if (e)
1340		{
1341		if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1342			|| !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1343			{
1344			ENGINE_free(e);
1345			e = NULL;
1346			}
1347		}
1348	return e;
1349	}
1350
1351ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1352        {
1353        ENGINE *e = NULL;
1354
1355        if (engine)
1356                {
1357		if(strcmp(engine, "auto") == 0)
1358			{
1359			BIO_printf(err,"enabling auto ENGINE support\n");
1360			ENGINE_register_all_complete();
1361			return NULL;
1362			}
1363		if((e = ENGINE_by_id(engine)) == NULL
1364			&& (e = try_load_engine(err, engine, debug)) == NULL)
1365			{
1366			BIO_printf(err,"invalid engine \"%s\"\n", engine);
1367			ERR_print_errors(err);
1368			return NULL;
1369			}
1370		if (debug)
1371			{
1372			ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1373				0, err, 0);
1374			}
1375                ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1376		if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1377			{
1378			BIO_printf(err,"can't use that engine\n");
1379			ERR_print_errors(err);
1380			ENGINE_free(e);
1381			return NULL;
1382			}
1383
1384		BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1385
1386		/* Free our "structural" reference. */
1387		ENGINE_free(e);
1388		}
1389        return e;
1390        }
1391#endif
1392
1393int load_config(BIO *err, CONF *cnf)
1394	{
1395	if (!cnf)
1396		cnf = config;
1397	if (!cnf)
1398		return 1;
1399
1400	OPENSSL_load_builtin_modules();
1401
1402	if (CONF_modules_load(cnf, NULL, 0) <= 0)
1403		{
1404		BIO_printf(err, "Error configuring OpenSSL\n");
1405		ERR_print_errors(err);
1406		return 0;
1407		}
1408	return 1;
1409	}
1410
1411char *make_config_name()
1412	{
1413	const char *t=X509_get_default_cert_area();
1414	size_t len;
1415	char *p;
1416
1417	len=strlen(t)+strlen(OPENSSL_CONF)+2;
1418	p=OPENSSL_malloc(len);
1419	BUF_strlcpy(p,t,len);
1420#ifndef OPENSSL_SYS_VMS
1421	BUF_strlcat(p,"/",len);
1422#endif
1423	BUF_strlcat(p,OPENSSL_CONF,len);
1424
1425	return p;
1426	}
1427
1428static unsigned long index_serial_hash(const char **a)
1429	{
1430	const char *n;
1431
1432	n=a[DB_serial];
1433	while (*n == '0') n++;
1434	return(lh_strhash(n));
1435	}
1436
1437static int index_serial_cmp(const char **a, const char **b)
1438	{
1439	const char *aa,*bb;
1440
1441	for (aa=a[DB_serial]; *aa == '0'; aa++);
1442	for (bb=b[DB_serial]; *bb == '0'; bb++);
1443	return(strcmp(aa,bb));
1444	}
1445
1446static int index_name_qual(char **a)
1447	{ return(a[0][0] == 'V'); }
1448
1449static unsigned long index_name_hash(const char **a)
1450	{ return(lh_strhash(a[DB_name])); }
1451
1452int index_name_cmp(const char **a, const char **b)
1453	{ return(strcmp(a[DB_name],
1454	     b[DB_name])); }
1455
1456static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1457static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1458static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1459static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1460
1461#undef BSIZE
1462#define BSIZE 256
1463
1464BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1465	{
1466	BIO *in=NULL;
1467	BIGNUM *ret=NULL;
1468	MS_STATIC char buf[1024];
1469	ASN1_INTEGER *ai=NULL;
1470
1471	ai=ASN1_INTEGER_new();
1472	if (ai == NULL) goto err;
1473
1474	if ((in=BIO_new(BIO_s_file())) == NULL)
1475		{
1476		ERR_print_errors(bio_err);
1477		goto err;
1478		}
1479
1480	if (BIO_read_filename(in,serialfile) <= 0)
1481		{
1482		if (!create)
1483			{
1484			perror(serialfile);
1485			goto err;
1486			}
1487		else
1488			{
1489			ret=BN_new();
1490			if (ret == NULL || !rand_serial(ret, ai))
1491				BIO_printf(bio_err, "Out of memory\n");
1492			}
1493		}
1494	else
1495		{
1496		if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1497			{
1498			BIO_printf(bio_err,"unable to load number from %s\n",
1499				serialfile);
1500			goto err;
1501			}
1502		ret=ASN1_INTEGER_to_BN(ai,NULL);
1503		if (ret == NULL)
1504			{
1505			BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1506			goto err;
1507			}
1508		}
1509
1510	if (ret && retai)
1511		{
1512		*retai = ai;
1513		ai = NULL;
1514		}
1515 err:
1516	if (in != NULL) BIO_free(in);
1517	if (ai != NULL) ASN1_INTEGER_free(ai);
1518	return(ret);
1519	}
1520
1521int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1522	{
1523	char buf[1][BSIZE];
1524	BIO *out = NULL;
1525	int ret=0;
1526	ASN1_INTEGER *ai=NULL;
1527	int j;
1528
1529	if (suffix == NULL)
1530		j = strlen(serialfile);
1531	else
1532		j = strlen(serialfile) + strlen(suffix) + 1;
1533	if (j >= BSIZE)
1534		{
1535		BIO_printf(bio_err,"file name too long\n");
1536		goto err;
1537		}
1538
1539	if (suffix == NULL)
1540		BUF_strlcpy(buf[0], serialfile, BSIZE);
1541	else
1542		{
1543#ifndef OPENSSL_SYS_VMS
1544		j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1545#else
1546		j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1547#endif
1548		}
1549#ifdef RL_DEBUG
1550	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1551#endif
1552	out=BIO_new(BIO_s_file());
1553	if (out == NULL)
1554		{
1555		ERR_print_errors(bio_err);
1556		goto err;
1557		}
1558	if (BIO_write_filename(out,buf[0]) <= 0)
1559		{
1560		perror(serialfile);
1561		goto err;
1562		}
1563
1564	if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1565		{
1566		BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1567		goto err;
1568		}
1569	i2a_ASN1_INTEGER(out,ai);
1570	BIO_puts(out,"\n");
1571	ret=1;
1572	if (retai)
1573		{
1574		*retai = ai;
1575		ai = NULL;
1576		}
1577err:
1578	if (out != NULL) BIO_free_all(out);
1579	if (ai != NULL) ASN1_INTEGER_free(ai);
1580	return(ret);
1581	}
1582
1583int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1584	{
1585	char buf[5][BSIZE];
1586	int i,j;
1587	struct stat sb;
1588
1589	i = strlen(serialfile) + strlen(old_suffix);
1590	j = strlen(serialfile) + strlen(new_suffix);
1591	if (i > j) j = i;
1592	if (j + 1 >= BSIZE)
1593		{
1594		BIO_printf(bio_err,"file name too long\n");
1595		goto err;
1596		}
1597
1598#ifndef OPENSSL_SYS_VMS
1599	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1600		serialfile, new_suffix);
1601#else
1602	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1603		serialfile, new_suffix);
1604#endif
1605#ifndef OPENSSL_SYS_VMS
1606	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1607		serialfile, old_suffix);
1608#else
1609	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1610		serialfile, old_suffix);
1611#endif
1612	if (stat(serialfile,&sb) < 0)
1613		{
1614		if (errno != ENOENT
1615#ifdef ENOTDIR
1616			&& errno != ENOTDIR
1617#endif
1618		   )
1619			goto err;
1620		}
1621	else
1622		{
1623#ifdef RL_DEBUG
1624		BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1625			serialfile, buf[1]);
1626#endif
1627		if (rename(serialfile,buf[1]) < 0)
1628			{
1629			BIO_printf(bio_err,
1630				"unable to rename %s to %s\n",
1631				serialfile, buf[1]);
1632			perror("reason");
1633			goto err;
1634			}
1635		}
1636#ifdef RL_DEBUG
1637	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1638		buf[0],serialfile);
1639#endif
1640	if (rename(buf[0],serialfile) < 0)
1641		{
1642		BIO_printf(bio_err,
1643			"unable to rename %s to %s\n",
1644			buf[0],serialfile);
1645		perror("reason");
1646		rename(buf[1],serialfile);
1647		goto err;
1648		}
1649	return 1;
1650 err:
1651	return 0;
1652	}
1653
1654int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1655	{
1656	BIGNUM *btmp;
1657	int ret = 0;
1658	if (b)
1659		btmp = b;
1660	else
1661		btmp = BN_new();
1662
1663	if (!btmp)
1664		return 0;
1665
1666	if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1667		goto error;
1668	if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1669		goto error;
1670
1671	ret = 1;
1672
1673	error:
1674
1675	if (!b)
1676		BN_free(btmp);
1677
1678	return ret;
1679	}
1680
1681CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1682	{
1683	CA_DB *retdb = NULL;
1684	TXT_DB *tmpdb = NULL;
1685	BIO *in = BIO_new(BIO_s_file());
1686	CONF *dbattr_conf = NULL;
1687	char buf[1][BSIZE];
1688	long errorline= -1;
1689
1690	if (in == NULL)
1691		{
1692		ERR_print_errors(bio_err);
1693		goto err;
1694		}
1695	if (BIO_read_filename(in,dbfile) <= 0)
1696		{
1697		perror(dbfile);
1698		BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1699		goto err;
1700		}
1701	if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1702		{
1703		if (tmpdb != NULL) TXT_DB_free(tmpdb);
1704		goto err;
1705		}
1706
1707#ifndef OPENSSL_SYS_VMS
1708	BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1709#else
1710	BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1711#endif
1712	dbattr_conf = NCONF_new(NULL);
1713	if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1714		{
1715		if (errorline > 0)
1716			{
1717			BIO_printf(bio_err,
1718				"error on line %ld of db attribute file '%s'\n"
1719				,errorline,buf[0]);
1720			goto err;
1721			}
1722		else
1723			{
1724			NCONF_free(dbattr_conf);
1725			dbattr_conf = NULL;
1726			}
1727		}
1728
1729	if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1730		{
1731		fprintf(stderr, "Out of memory\n");
1732		goto err;
1733		}
1734
1735	retdb->db = tmpdb;
1736	tmpdb = NULL;
1737	if (db_attr)
1738		retdb->attributes = *db_attr;
1739	else
1740		{
1741		retdb->attributes.unique_subject = 1;
1742		}
1743
1744	if (dbattr_conf)
1745		{
1746		char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1747		if (p)
1748			{
1749#ifdef RL_DEBUG
1750			BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1751#endif
1752			retdb->attributes.unique_subject = parse_yesno(p,1);
1753			}
1754		}
1755
1756 err:
1757	if (dbattr_conf) NCONF_free(dbattr_conf);
1758	if (tmpdb) TXT_DB_free(tmpdb);
1759	if (in) BIO_free_all(in);
1760	return retdb;
1761	}
1762
1763int index_index(CA_DB *db)
1764	{
1765	if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1766				LHASH_HASH_FN(index_serial_hash),
1767				LHASH_COMP_FN(index_serial_cmp)))
1768		{
1769		BIO_printf(bio_err,
1770		  "error creating serial number index:(%ld,%ld,%ld)\n",
1771		  			db->db->error,db->db->arg1,db->db->arg2);
1772			return 0;
1773		}
1774
1775	if (db->attributes.unique_subject
1776		&& !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1777			LHASH_HASH_FN(index_name_hash),
1778			LHASH_COMP_FN(index_name_cmp)))
1779		{
1780		BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1781			db->db->error,db->db->arg1,db->db->arg2);
1782		return 0;
1783		}
1784	return 1;
1785	}
1786
1787int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1788	{
1789	char buf[3][BSIZE];
1790	BIO *out = BIO_new(BIO_s_file());
1791	int j;
1792
1793	if (out == NULL)
1794		{
1795		ERR_print_errors(bio_err);
1796		goto err;
1797		}
1798
1799	j = strlen(dbfile) + strlen(suffix);
1800	if (j + 6 >= BSIZE)
1801		{
1802		BIO_printf(bio_err,"file name too long\n");
1803		goto err;
1804		}
1805
1806#ifndef OPENSSL_SYS_VMS
1807	j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1808#else
1809	j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1810#endif
1811#ifndef OPENSSL_SYS_VMS
1812	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1813#else
1814	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1815#endif
1816#ifndef OPENSSL_SYS_VMS
1817	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1818#else
1819	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1820#endif
1821#ifdef RL_DEBUG
1822	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1823#endif
1824	if (BIO_write_filename(out,buf[0]) <= 0)
1825		{
1826		perror(dbfile);
1827		BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1828		goto err;
1829		}
1830	j=TXT_DB_write(out,db->db);
1831	if (j <= 0) goto err;
1832
1833	BIO_free(out);
1834
1835	out = BIO_new(BIO_s_file());
1836#ifdef RL_DEBUG
1837	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1838#endif
1839	if (BIO_write_filename(out,buf[1]) <= 0)
1840		{
1841		perror(buf[2]);
1842		BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1843		goto err;
1844		}
1845	BIO_printf(out,"unique_subject = %s\n",
1846		db->attributes.unique_subject ? "yes" : "no");
1847	BIO_free(out);
1848
1849	return 1;
1850 err:
1851	return 0;
1852	}
1853
1854int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1855	{
1856	char buf[5][BSIZE];
1857	int i,j;
1858	struct stat sb;
1859
1860	i = strlen(dbfile) + strlen(old_suffix);
1861	j = strlen(dbfile) + strlen(new_suffix);
1862	if (i > j) j = i;
1863	if (j + 6 >= BSIZE)
1864		{
1865		BIO_printf(bio_err,"file name too long\n");
1866		goto err;
1867		}
1868
1869#ifndef OPENSSL_SYS_VMS
1870	j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1871#else
1872	j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1873#endif
1874#ifndef OPENSSL_SYS_VMS
1875	j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1876		dbfile, new_suffix);
1877#else
1878	j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1879		dbfile, new_suffix);
1880#endif
1881#ifndef OPENSSL_SYS_VMS
1882	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1883		dbfile, new_suffix);
1884#else
1885	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1886		dbfile, new_suffix);
1887#endif
1888#ifndef OPENSSL_SYS_VMS
1889	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1890		dbfile, old_suffix);
1891#else
1892	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1893		dbfile, old_suffix);
1894#endif
1895#ifndef OPENSSL_SYS_VMS
1896	j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1897		dbfile, old_suffix);
1898#else
1899	j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1900		dbfile, old_suffix);
1901#endif
1902	if (stat(dbfile,&sb) < 0)
1903		{
1904		if (errno != ENOENT
1905#ifdef ENOTDIR
1906			&& errno != ENOTDIR
1907#endif
1908		   )
1909			goto err;
1910		}
1911	else
1912		{
1913#ifdef RL_DEBUG
1914		BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1915			dbfile, buf[1]);
1916#endif
1917		if (rename(dbfile,buf[1]) < 0)
1918			{
1919			BIO_printf(bio_err,
1920				"unable to rename %s to %s\n",
1921				dbfile, buf[1]);
1922			perror("reason");
1923			goto err;
1924			}
1925		}
1926#ifdef RL_DEBUG
1927	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1928		buf[0],dbfile);
1929#endif
1930	if (rename(buf[0],dbfile) < 0)
1931		{
1932		BIO_printf(bio_err,
1933			"unable to rename %s to %s\n",
1934			buf[0],dbfile);
1935		perror("reason");
1936		rename(buf[1],dbfile);
1937		goto err;
1938		}
1939	if (stat(buf[4],&sb) < 0)
1940		{
1941		if (errno != ENOENT
1942#ifdef ENOTDIR
1943			&& errno != ENOTDIR
1944#endif
1945		   )
1946			goto err;
1947		}
1948	else
1949		{
1950#ifdef RL_DEBUG
1951		BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1952			buf[4],buf[3]);
1953#endif
1954		if (rename(buf[4],buf[3]) < 0)
1955			{
1956			BIO_printf(bio_err,
1957				"unable to rename %s to %s\n",
1958				buf[4], buf[3]);
1959			perror("reason");
1960			rename(dbfile,buf[0]);
1961			rename(buf[1],dbfile);
1962			goto err;
1963			}
1964		}
1965#ifdef RL_DEBUG
1966	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1967		buf[2],buf[4]);
1968#endif
1969	if (rename(buf[2],buf[4]) < 0)
1970		{
1971		BIO_printf(bio_err,
1972			"unable to rename %s to %s\n",
1973			buf[2],buf[4]);
1974		perror("reason");
1975		rename(buf[3],buf[4]);
1976		rename(dbfile,buf[0]);
1977		rename(buf[1],dbfile);
1978		goto err;
1979		}
1980	return 1;
1981 err:
1982	return 0;
1983	}
1984
1985void free_index(CA_DB *db)
1986	{
1987	if (db)
1988		{
1989		if (db->db) TXT_DB_free(db->db);
1990		OPENSSL_free(db);
1991		}
1992	}
1993
1994int parse_yesno(const char *str, int def)
1995	{
1996	int ret = def;
1997	if (str)
1998		{
1999		switch (*str)
2000			{
2001		case 'f': /* false */
2002		case 'F': /* FALSE */
2003		case 'n': /* no */
2004		case 'N': /* NO */
2005		case '0': /* 0 */
2006			ret = 0;
2007			break;
2008		case 't': /* true */
2009		case 'T': /* TRUE */
2010		case 'y': /* yes */
2011		case 'Y': /* YES */
2012		case '1': /* 1 */
2013			ret = 0;
2014			break;
2015		default:
2016			ret = def;
2017			break;
2018			}
2019		}
2020	return ret;
2021	}
2022
2023/*
2024 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2025 * where characters may be escaped by \
2026 */
2027X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2028	{
2029	size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2030	char *buf = OPENSSL_malloc(buflen);
2031	size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2032	char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2033	char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2034	int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2035
2036	char *sp = subject, *bp = buf;
2037	int i, ne_num = 0;
2038
2039	X509_NAME *n = NULL;
2040	int nid;
2041
2042	if (!buf || !ne_types || !ne_values)
2043		{
2044		BIO_printf(bio_err, "malloc error\n");
2045		goto error;
2046		}
2047
2048	if (*subject != '/')
2049		{
2050		BIO_printf(bio_err, "Subject does not start with '/'.\n");
2051		goto error;
2052		}
2053	sp++; /* skip leading / */
2054
2055	/* no multivalued RDN by default */
2056	mval[ne_num] = 0;
2057
2058	while (*sp)
2059		{
2060		/* collect type */
2061		ne_types[ne_num] = bp;
2062		while (*sp)
2063			{
2064			if (*sp == '\\') /* is there anything to escape in the type...? */
2065				{
2066				if (*++sp)
2067					*bp++ = *sp++;
2068				else
2069					{
2070					BIO_printf(bio_err, "escape character at end of string\n");
2071					goto error;
2072					}
2073				}
2074			else if (*sp == '=')
2075				{
2076				sp++;
2077				*bp++ = '\0';
2078				break;
2079				}
2080			else
2081				*bp++ = *sp++;
2082			}
2083		if (!*sp)
2084			{
2085			BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2086			goto error;
2087			}
2088		ne_values[ne_num] = bp;
2089		while (*sp)
2090			{
2091			if (*sp == '\\')
2092				{
2093				if (*++sp)
2094					*bp++ = *sp++;
2095				else
2096					{
2097					BIO_printf(bio_err, "escape character at end of string\n");
2098					goto error;
2099					}
2100				}
2101			else if (*sp == '/')
2102				{
2103				sp++;
2104				/* no multivalued RDN by default */
2105				mval[ne_num+1] = 0;
2106				break;
2107				}
2108			else if (*sp == '+' && multirdn)
2109				{
2110				/* a not escaped + signals a mutlivalued RDN */
2111				sp++;
2112				mval[ne_num+1] = -1;
2113				break;
2114				}
2115			else
2116				*bp++ = *sp++;
2117			}
2118		*bp++ = '\0';
2119		ne_num++;
2120		}
2121
2122	if (!(n = X509_NAME_new()))
2123		goto error;
2124
2125	for (i = 0; i < ne_num; i++)
2126		{
2127		if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2128			{
2129			BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2130			continue;
2131			}
2132
2133		if (!*ne_values[i])
2134			{
2135			BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2136			continue;
2137			}
2138
2139		if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2140			goto error;
2141		}
2142
2143	OPENSSL_free(ne_values);
2144	OPENSSL_free(ne_types);
2145	OPENSSL_free(buf);
2146	return n;
2147
2148error:
2149	X509_NAME_free(n);
2150	if (ne_values)
2151		OPENSSL_free(ne_values);
2152	if (ne_types)
2153		OPENSSL_free(ne_types);
2154	if (buf)
2155		OPENSSL_free(buf);
2156	return NULL;
2157}
2158
2159/* This code MUST COME AFTER anything that uses rename() */
2160#ifdef OPENSSL_SYS_WIN32
2161int WIN32_rename(const char *from, const char *to)
2162	{
2163#ifndef OPENSSL_SYS_WINCE
2164	/* Windows rename gives an error if 'to' exists, so delete it
2165	 * first and ignore file not found errror
2166	 */
2167	if((remove(to) != 0) && (errno != ENOENT))
2168		return -1;
2169#undef rename
2170	return rename(from, to);
2171#else
2172	/* convert strings to UNICODE */
2173	{
2174	BOOL result = FALSE;
2175	WCHAR* wfrom;
2176	WCHAR* wto;
2177	int i;
2178	wfrom = malloc((strlen(from)+1)*2);
2179	wto = malloc((strlen(to)+1)*2);
2180	if (wfrom != NULL && wto != NULL)
2181		{
2182		for (i=0; i<(int)strlen(from)+1; i++)
2183			wfrom[i] = (short)from[i];
2184		for (i=0; i<(int)strlen(to)+1; i++)
2185			wto[i] = (short)to[i];
2186		result = MoveFile(wfrom, wto);
2187		}
2188	if (wfrom != NULL)
2189		free(wfrom);
2190	if (wto != NULL)
2191		free(wto);
2192	return result;
2193	}
2194#endif
2195	}
2196#endif
2197
2198int args_verify(char ***pargs, int *pargc,
2199			int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2200	{
2201	ASN1_OBJECT *otmp = NULL;
2202	unsigned long flags = 0;
2203	int i;
2204	int purpose = 0;
2205	char **oldargs = *pargs;
2206	char *arg = **pargs, *argn = (*pargs)[1];
2207	if (!strcmp(arg, "-policy"))
2208		{
2209		if (!argn)
2210			*badarg = 1;
2211		else
2212			{
2213			otmp = OBJ_txt2obj(argn, 0);
2214			if (!otmp)
2215				{
2216				BIO_printf(err, "Invalid Policy \"%s\"\n",
2217									argn);
2218				*badarg = 1;
2219				}
2220			}
2221		(*pargs)++;
2222		}
2223	else if (strcmp(arg,"-purpose") == 0)
2224		{
2225		X509_PURPOSE *xptmp;
2226		if (!argn)
2227			*badarg = 1;
2228		else
2229			{
2230			i = X509_PURPOSE_get_by_sname(argn);
2231			if(i < 0)
2232				{
2233				BIO_printf(err, "unrecognized purpose\n");
2234				*badarg = 1;
2235				}
2236			else
2237				{
2238				xptmp = X509_PURPOSE_get0(i);
2239				purpose = X509_PURPOSE_get_id(xptmp);
2240				}
2241			}
2242		(*pargs)++;
2243		}
2244	else if (!strcmp(arg, "-ignore_critical"))
2245		flags |= X509_V_FLAG_IGNORE_CRITICAL;
2246	else if (!strcmp(arg, "-issuer_checks"))
2247		flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2248	else if (!strcmp(arg, "-crl_check"))
2249		flags |=  X509_V_FLAG_CRL_CHECK;
2250	else if (!strcmp(arg, "-crl_check_all"))
2251		flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2252	else if (!strcmp(arg, "-policy_check"))
2253		flags |= X509_V_FLAG_POLICY_CHECK;
2254	else if (!strcmp(arg, "-explicit_policy"))
2255		flags |= X509_V_FLAG_EXPLICIT_POLICY;
2256	else if (!strcmp(arg, "-x509_strict"))
2257		flags |= X509_V_FLAG_X509_STRICT;
2258	else if (!strcmp(arg, "-policy_print"))
2259		flags |= X509_V_FLAG_NOTIFY_POLICY;
2260	else
2261		return 0;
2262
2263	if (*badarg)
2264		{
2265		if (*pm)
2266			X509_VERIFY_PARAM_free(*pm);
2267		*pm = NULL;
2268		goto end;
2269		}
2270
2271	if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2272		{
2273		*badarg = 1;
2274		goto end;
2275		}
2276
2277	if (otmp)
2278		X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2279	if (flags)
2280		X509_VERIFY_PARAM_set_flags(*pm, flags);
2281
2282	if (purpose)
2283		X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2284
2285	end:
2286
2287	(*pargs)++;
2288
2289	if (pargc)
2290		*pargc -= *pargs - oldargs;
2291
2292	return 1;
2293
2294	}
2295
2296static void nodes_print(BIO *out, const char *name,
2297	STACK_OF(X509_POLICY_NODE) *nodes)
2298	{
2299	X509_POLICY_NODE *node;
2300	int i;
2301	BIO_printf(out, "%s Policies:", name);
2302	if (nodes)
2303		{
2304		BIO_puts(out, "\n");
2305		for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2306			{
2307			node = sk_X509_POLICY_NODE_value(nodes, i);
2308			X509_POLICY_NODE_print(out, node, 2);
2309			}
2310		}
2311	else
2312		BIO_puts(out, " <empty>\n");
2313	}
2314
2315void policies_print(BIO *out, X509_STORE_CTX *ctx)
2316	{
2317	X509_POLICY_TREE *tree;
2318	int explicit_policy;
2319	int free_out = 0;
2320	if (out == NULL)
2321		{
2322		out = BIO_new_fp(stderr, BIO_NOCLOSE);
2323		free_out = 1;
2324		}
2325	tree = X509_STORE_CTX_get0_policy_tree(ctx);
2326	explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2327
2328	BIO_printf(out, "Require explicit Policy: %s\n",
2329				explicit_policy ? "True" : "False");
2330
2331	nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2332	nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2333	if (free_out)
2334		BIO_free(out);
2335	}
2336