apps.c revision 142425
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
129#define NON_MAIN
130#include "apps.h"
131#undef NON_MAIN
132
133typedef struct {
134	char *name;
135	unsigned long flag;
136	unsigned long mask;
137} NAME_EX_TBL;
138
139static UI_METHOD *ui_method = NULL;
140
141static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
142static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
143
144#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
145/* Looks like this stuff is worth moving into separate function */
146static EVP_PKEY *
147load_netscape_key(BIO *err, BIO *key, const char *file,
148		const char *key_descrip, int format);
149#endif
150
151int app_init(long mesgwin);
152#ifdef undef /* never finished - probably never will be :-) */
153int args_from_file(char *file, int *argc, char **argv[])
154	{
155	FILE *fp;
156	int num,i;
157	unsigned int len;
158	static char *buf=NULL;
159	static char **arg=NULL;
160	char *p;
161	struct stat stbuf;
162
163	if (stat(file,&stbuf) < 0) return(0);
164
165	fp=fopen(file,"r");
166	if (fp == NULL)
167		return(0);
168
169	*argc=0;
170	*argv=NULL;
171
172	len=(unsigned int)stbuf.st_size;
173	if (buf != NULL) OPENSSL_free(buf);
174	buf=(char *)OPENSSL_malloc(len+1);
175	if (buf == NULL) return(0);
176
177	len=fread(buf,1,len,fp);
178	if (len <= 1) return(0);
179	buf[len]='\0';
180
181	i=0;
182	for (p=buf; *p; p++)
183		if (*p == '\n') i++;
184	if (arg != NULL) OPENSSL_free(arg);
185	arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
186
187	*argv=arg;
188	num=0;
189	p=buf;
190	for (;;)
191		{
192		if (!*p) break;
193		if (*p == '#') /* comment line */
194			{
195			while (*p && (*p != '\n')) p++;
196			continue;
197			}
198		/* else we have a line */
199		*(arg++)=p;
200		num++;
201		while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
202			p++;
203		if (!*p) break;
204		if (*p == '\n')
205			{
206			*(p++)='\0';
207			continue;
208			}
209		/* else it is a tab or space */
210		p++;
211		while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
212			p++;
213		if (!*p) break;
214		if (*p == '\n')
215			{
216			p++;
217			continue;
218			}
219		*(arg++)=p++;
220		num++;
221		while (*p && (*p != '\n')) p++;
222		if (!*p) break;
223		/* else *p == '\n' */
224		*(p++)='\0';
225		}
226	*argc=num;
227	return(1);
228	}
229#endif
230
231int str2fmt(char *s)
232	{
233	if 	((*s == 'D') || (*s == 'd'))
234		return(FORMAT_ASN1);
235	else if ((*s == 'T') || (*s == 't'))
236		return(FORMAT_TEXT);
237	else if ((*s == 'P') || (*s == 'p'))
238		return(FORMAT_PEM);
239	else if ((*s == 'N') || (*s == 'n'))
240		return(FORMAT_NETSCAPE);
241	else if ((*s == 'S') || (*s == 's'))
242		return(FORMAT_SMIME);
243	else if ((*s == '1')
244		|| (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
245		|| (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
246		return(FORMAT_PKCS12);
247	else if ((*s == 'E') || (*s == 'e'))
248		return(FORMAT_ENGINE);
249	else
250		return(FORMAT_UNDEF);
251	}
252
253#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
254void program_name(char *in, char *out, int size)
255	{
256	int i,n;
257	char *p=NULL;
258
259	n=strlen(in);
260	/* find the last '/', '\' or ':' */
261	for (i=n-1; i>0; i--)
262		{
263		if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
264			{
265			p= &(in[i+1]);
266			break;
267			}
268		}
269	if (p == NULL)
270		p=in;
271	n=strlen(p);
272	/* strip off trailing .exe if present. */
273	if ((n > 4) && (p[n-4] == '.') &&
274		((p[n-3] == 'e') || (p[n-3] == 'E')) &&
275		((p[n-2] == 'x') || (p[n-2] == 'X')) &&
276		((p[n-1] == 'e') || (p[n-1] == 'E')))
277		n-=4;
278	if (n > size-1)
279		n=size-1;
280
281	for (i=0; i<n; i++)
282		{
283		if ((p[i] >= 'A') && (p[i] <= 'Z'))
284			out[i]=p[i]-'A'+'a';
285		else
286			out[i]=p[i];
287		}
288	out[n]='\0';
289	}
290#else
291#ifdef OPENSSL_SYS_VMS
292void program_name(char *in, char *out, int size)
293	{
294	char *p=in, *q;
295	char *chars=":]>";
296
297	while(*chars != '\0')
298		{
299		q=strrchr(p,*chars);
300		if (q > p)
301			p = q + 1;
302		chars++;
303		}
304
305	q=strrchr(p,'.');
306	if (q == NULL)
307		q = p + strlen(p);
308	strncpy(out,p,size-1);
309	if (q-p >= size)
310		{
311		out[size-1]='\0';
312		}
313	else
314		{
315		out[q-p]='\0';
316		}
317	}
318#else
319void program_name(char *in, char *out, int size)
320	{
321	char *p;
322
323	p=strrchr(in,'/');
324	if (p != NULL)
325		p++;
326	else
327		p=in;
328	BUF_strlcpy(out,p,size);
329	}
330#endif
331#endif
332
333#ifdef OPENSSL_SYS_VMS
334int VMS_strcasecmp(const char *str1, const char *str2)
335	{
336	while (*str1 && *str2)
337		{
338		int res = toupper(*str1) - toupper(*str2);
339		if (res) return res < 0 ? -1 : 1;
340		}
341	if (*str1)
342		return 1;
343	if (*str2)
344		return -1;
345	return 0;
346	}
347#endif
348
349int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
350	{
351	int num,len,i;
352	char *p;
353
354	*argc=0;
355	*argv=NULL;
356
357	len=strlen(buf);
358	i=0;
359	if (arg->count == 0)
360		{
361		arg->count=20;
362		arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
363		}
364	for (i=0; i<arg->count; i++)
365		arg->data[i]=NULL;
366
367	num=0;
368	p=buf;
369	for (;;)
370		{
371		/* first scan over white space */
372		if (!*p) break;
373		while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
374			p++;
375		if (!*p) break;
376
377		/* The start of something good :-) */
378		if (num >= arg->count)
379			{
380			arg->count+=20;
381			arg->data=(char **)OPENSSL_realloc(arg->data,
382				sizeof(char *)*arg->count);
383			if (argc == 0) return(0);
384			}
385		arg->data[num++]=p;
386
387		/* now look for the end of this */
388		if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
389			{
390			i= *(p++);
391			arg->data[num-1]++; /* jump over quote */
392			while (*p && (*p != i))
393				p++;
394			*p='\0';
395			}
396		else
397			{
398			while (*p && ((*p != ' ') &&
399				(*p != '\t') && (*p != '\n')))
400				p++;
401
402			if (*p == '\0')
403				p--;
404			else
405				*p='\0';
406			}
407		p++;
408		}
409	*argc=num;
410	*argv=arg->data;
411	return(1);
412	}
413
414#ifndef APP_INIT
415int app_init(long mesgwin)
416	{
417	return(1);
418	}
419#endif
420
421
422int dump_cert_text (BIO *out, X509 *x)
423{
424	char *p;
425
426	p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
427	BIO_puts(out,"subject=");
428	BIO_puts(out,p);
429	OPENSSL_free(p);
430
431	p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
432	BIO_puts(out,"\nissuer=");
433	BIO_puts(out,p);
434	BIO_puts(out,"\n");
435	OPENSSL_free(p);
436
437	return 0;
438}
439
440static int ui_open(UI *ui)
441	{
442	return UI_method_get_opener(UI_OpenSSL())(ui);
443	}
444static int ui_read(UI *ui, UI_STRING *uis)
445	{
446	if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
447		&& UI_get0_user_data(ui))
448		{
449		switch(UI_get_string_type(uis))
450			{
451		case UIT_PROMPT:
452		case UIT_VERIFY:
453			{
454			const char *password =
455				((PW_CB_DATA *)UI_get0_user_data(ui))->password;
456			if (password && password[0] != '\0')
457				{
458				UI_set_result(ui, uis, password);
459				return 1;
460				}
461			}
462		default:
463			break;
464			}
465		}
466	return UI_method_get_reader(UI_OpenSSL())(ui, uis);
467	}
468static int ui_write(UI *ui, UI_STRING *uis)
469	{
470	if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
471		&& UI_get0_user_data(ui))
472		{
473		switch(UI_get_string_type(uis))
474			{
475		case UIT_PROMPT:
476		case UIT_VERIFY:
477			{
478			const char *password =
479				((PW_CB_DATA *)UI_get0_user_data(ui))->password;
480			if (password && password[0] != '\0')
481				return 1;
482			}
483		default:
484			break;
485			}
486		}
487	return UI_method_get_writer(UI_OpenSSL())(ui, uis);
488	}
489static int ui_close(UI *ui)
490	{
491	return UI_method_get_closer(UI_OpenSSL())(ui);
492	}
493int setup_ui_method(void)
494	{
495	ui_method = UI_create_method("OpenSSL application user interface");
496	UI_method_set_opener(ui_method, ui_open);
497	UI_method_set_reader(ui_method, ui_read);
498	UI_method_set_writer(ui_method, ui_write);
499	UI_method_set_closer(ui_method, ui_close);
500	return 0;
501	}
502void destroy_ui_method(void)
503	{
504	if(ui_method)
505		{
506		UI_destroy_method(ui_method);
507		ui_method = NULL;
508		}
509	}
510int password_callback(char *buf, int bufsiz, int verify,
511	PW_CB_DATA *cb_tmp)
512	{
513	UI *ui = NULL;
514	int res = 0;
515	const char *prompt_info = NULL;
516	const char *password = NULL;
517	PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
518
519	if (cb_data)
520		{
521		if (cb_data->password)
522			password = cb_data->password;
523		if (cb_data->prompt_info)
524			prompt_info = cb_data->prompt_info;
525		}
526
527	if (password)
528		{
529		res = strlen(password);
530		if (res > bufsiz)
531			res = bufsiz;
532		memcpy(buf, password, res);
533		return res;
534		}
535
536	ui = UI_new_method(ui_method);
537	if (ui)
538		{
539		int ok = 0;
540		char *buff = NULL;
541		int ui_flags = 0;
542		char *prompt = NULL;
543
544		prompt = UI_construct_prompt(ui, "pass phrase",
545			cb_data->prompt_info);
546
547		ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
548		UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
549
550		if (ok >= 0)
551			ok = UI_add_input_string(ui,prompt,ui_flags,buf,
552				PW_MIN_LENGTH,BUFSIZ-1);
553		if (ok >= 0 && verify)
554			{
555			buff = (char *)OPENSSL_malloc(bufsiz);
556			ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
557				PW_MIN_LENGTH,BUFSIZ-1, buf);
558			}
559		if (ok >= 0)
560			do
561				{
562				ok = UI_process(ui);
563				}
564			while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
565
566		if (buff)
567			{
568			OPENSSL_cleanse(buff,(unsigned int)bufsiz);
569			OPENSSL_free(buff);
570			}
571
572		if (ok >= 0)
573			res = strlen(buf);
574		if (ok == -1)
575			{
576			BIO_printf(bio_err, "User interface error\n");
577			ERR_print_errors(bio_err);
578			OPENSSL_cleanse(buf,(unsigned int)bufsiz);
579			res = 0;
580			}
581		if (ok == -2)
582			{
583			BIO_printf(bio_err,"aborted!\n");
584			OPENSSL_cleanse(buf,(unsigned int)bufsiz);
585			res = 0;
586			}
587		UI_free(ui);
588		OPENSSL_free(prompt);
589		}
590	return res;
591	}
592
593static char *app_get_pass(BIO *err, char *arg, int keepbio);
594
595int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
596{
597	int same;
598	if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
599	else same = 1;
600	if(arg1) {
601		*pass1 = app_get_pass(err, arg1, same);
602		if(!*pass1) return 0;
603	} else if(pass1) *pass1 = NULL;
604	if(arg2) {
605		*pass2 = app_get_pass(err, arg2, same ? 2 : 0);
606		if(!*pass2) return 0;
607	} else if(pass2) *pass2 = NULL;
608	return 1;
609}
610
611static char *app_get_pass(BIO *err, char *arg, int keepbio)
612{
613	char *tmp, tpass[APP_PASS_LEN];
614	static BIO *pwdbio = NULL;
615	int i;
616	if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
617	if(!strncmp(arg, "env:", 4)) {
618		tmp = getenv(arg + 4);
619		if(!tmp) {
620			BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
621			return NULL;
622		}
623		return BUF_strdup(tmp);
624	}
625	if(!keepbio || !pwdbio) {
626		if(!strncmp(arg, "file:", 5)) {
627			pwdbio = BIO_new_file(arg + 5, "r");
628			if(!pwdbio) {
629				BIO_printf(err, "Can't open file %s\n", arg + 5);
630				return NULL;
631			}
632		} else if(!strncmp(arg, "fd:", 3)) {
633			BIO *btmp;
634			i = atoi(arg + 3);
635			if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
636			if((i < 0) || !pwdbio) {
637				BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
638				return NULL;
639			}
640			/* Can't do BIO_gets on an fd BIO so add a buffering BIO */
641			btmp = BIO_new(BIO_f_buffer());
642			pwdbio = BIO_push(btmp, pwdbio);
643		} else if(!strcmp(arg, "stdin")) {
644			pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
645			if(!pwdbio) {
646				BIO_printf(err, "Can't open BIO for stdin\n");
647				return NULL;
648			}
649		} else {
650			BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
651			return NULL;
652		}
653	}
654	i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
655	if(keepbio != 1) {
656		BIO_free_all(pwdbio);
657		pwdbio = NULL;
658	}
659	if(i <= 0) {
660		BIO_printf(err, "Error reading password from BIO\n");
661		return NULL;
662	}
663	tmp = strchr(tpass, '\n');
664	if(tmp) *tmp = 0;
665	return BUF_strdup(tpass);
666}
667
668int add_oid_section(BIO *err, CONF *conf)
669{
670	char *p;
671	STACK_OF(CONF_VALUE) *sktmp;
672	CONF_VALUE *cnf;
673	int i;
674	if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
675		{
676		ERR_clear_error();
677		return 1;
678		}
679	if(!(sktmp = NCONF_get_section(conf, p))) {
680		BIO_printf(err, "problem loading oid section %s\n", p);
681		return 0;
682	}
683	for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
684		cnf = sk_CONF_VALUE_value(sktmp, i);
685		if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
686			BIO_printf(err, "problem creating object %s=%s\n",
687							 cnf->name, cnf->value);
688			return 0;
689		}
690	}
691	return 1;
692}
693
694X509 *load_cert(BIO *err, const char *file, int format,
695	const char *pass, ENGINE *e, const char *cert_descrip)
696	{
697	ASN1_HEADER *ah=NULL;
698	BUF_MEM *buf=NULL;
699	X509 *x=NULL;
700	BIO *cert;
701
702	if ((cert=BIO_new(BIO_s_file())) == NULL)
703		{
704		ERR_print_errors(err);
705		goto end;
706		}
707
708	if (file == NULL)
709		{
710		setvbuf(stdin, NULL, _IONBF, 0);
711		BIO_set_fp(cert,stdin,BIO_NOCLOSE);
712		}
713	else
714		{
715		if (BIO_read_filename(cert,file) <= 0)
716			{
717			BIO_printf(err, "Error opening %s %s\n",
718				cert_descrip, file);
719			ERR_print_errors(err);
720			goto end;
721			}
722		}
723
724	if 	(format == FORMAT_ASN1)
725		x=d2i_X509_bio(cert,NULL);
726	else if (format == FORMAT_NETSCAPE)
727		{
728		unsigned char *p,*op;
729		int size=0,i;
730
731		/* We sort of have to do it this way because it is sort of nice
732		 * to read the header first and check it, then
733		 * try to read the certificate */
734		buf=BUF_MEM_new();
735		for (;;)
736			{
737			if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
738				goto end;
739			i=BIO_read(cert,&(buf->data[size]),1024*10);
740			size+=i;
741			if (i == 0) break;
742			if (i < 0)
743				{
744				perror("reading certificate");
745				goto end;
746				}
747			}
748		p=(unsigned char *)buf->data;
749		op=p;
750
751		/* First load the header */
752		if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
753			goto end;
754		if ((ah->header == NULL) || (ah->header->data == NULL) ||
755			(strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
756			ah->header->length) != 0))
757			{
758			BIO_printf(err,"Error reading header on certificate\n");
759			goto end;
760			}
761		/* header is ok, so now read the object */
762		p=op;
763		ah->meth=X509_asn1_meth();
764		if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
765			goto end;
766		x=(X509 *)ah->data;
767		ah->data=NULL;
768		}
769	else if (format == FORMAT_PEM)
770		x=PEM_read_bio_X509_AUX(cert,NULL,
771			(pem_password_cb *)password_callback, NULL);
772	else if (format == FORMAT_PKCS12)
773		{
774		PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
775
776		PKCS12_parse(p12, NULL, NULL, &x, NULL);
777		PKCS12_free(p12);
778		p12 = NULL;
779		}
780	else	{
781		BIO_printf(err,"bad input format specified for %s\n",
782			cert_descrip);
783		goto end;
784		}
785end:
786	if (x == NULL)
787		{
788		BIO_printf(err,"unable to load certificate\n");
789		ERR_print_errors(err);
790		}
791	if (ah != NULL) ASN1_HEADER_free(ah);
792	if (cert != NULL) BIO_free(cert);
793	if (buf != NULL) BUF_MEM_free(buf);
794	return(x);
795	}
796
797EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
798	const char *pass, ENGINE *e, const char *key_descrip)
799	{
800	BIO *key=NULL;
801	EVP_PKEY *pkey=NULL;
802	PW_CB_DATA cb_data;
803
804	cb_data.password = pass;
805	cb_data.prompt_info = file;
806
807	if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
808		{
809		BIO_printf(err,"no keyfile specified\n");
810		goto end;
811		}
812#ifndef OPENSSL_NO_ENGINE
813	if (format == FORMAT_ENGINE)
814		{
815		if (!e)
816			BIO_printf(bio_err,"no engine specified\n");
817		else
818			pkey = ENGINE_load_private_key(e, file,
819				ui_method, &cb_data);
820		goto end;
821		}
822#endif
823	key=BIO_new(BIO_s_file());
824	if (key == NULL)
825		{
826		ERR_print_errors(err);
827		goto end;
828		}
829	if (file == NULL && maybe_stdin)
830		{
831		setvbuf(stdin, NULL, _IONBF, 0);
832		BIO_set_fp(key,stdin,BIO_NOCLOSE);
833		}
834	else
835		if (BIO_read_filename(key,file) <= 0)
836			{
837			BIO_printf(err, "Error opening %s %s\n",
838				key_descrip, file);
839			ERR_print_errors(err);
840			goto end;
841			}
842	if (format == FORMAT_ASN1)
843		{
844		pkey=d2i_PrivateKey_bio(key, NULL);
845		}
846	else if (format == FORMAT_PEM)
847		{
848		pkey=PEM_read_bio_PrivateKey(key,NULL,
849			(pem_password_cb *)password_callback, &cb_data);
850		}
851#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
852	else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
853		pkey = load_netscape_key(err, key, file, key_descrip, format);
854#endif
855	else if (format == FORMAT_PKCS12)
856		{
857		PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
858
859		PKCS12_parse(p12, pass, &pkey, NULL, NULL);
860		PKCS12_free(p12);
861		p12 = NULL;
862		}
863	else
864		{
865		BIO_printf(err,"bad input format specified for key file\n");
866		goto end;
867		}
868 end:
869	if (key != NULL) BIO_free(key);
870	if (pkey == NULL)
871		BIO_printf(err,"unable to load %s\n", key_descrip);
872	return(pkey);
873	}
874
875EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
876	const char *pass, ENGINE *e, const char *key_descrip)
877	{
878	BIO *key=NULL;
879	EVP_PKEY *pkey=NULL;
880	PW_CB_DATA cb_data;
881
882	cb_data.password = pass;
883	cb_data.prompt_info = file;
884
885	if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
886		{
887		BIO_printf(err,"no keyfile specified\n");
888		goto end;
889		}
890#ifndef OPENSSL_NO_ENGINE
891	if (format == FORMAT_ENGINE)
892		{
893		if (!e)
894			BIO_printf(bio_err,"no engine specified\n");
895		else
896			pkey = ENGINE_load_public_key(e, file,
897				ui_method, &cb_data);
898		goto end;
899		}
900#endif
901	key=BIO_new(BIO_s_file());
902	if (key == NULL)
903		{
904		ERR_print_errors(err);
905		goto end;
906		}
907	if (file == NULL && maybe_stdin)
908		{
909		setvbuf(stdin, NULL, _IONBF, 0);
910		BIO_set_fp(key,stdin,BIO_NOCLOSE);
911		}
912	else
913		if (BIO_read_filename(key,file) <= 0)
914			{
915			BIO_printf(err, "Error opening %s %s\n",
916				key_descrip, file);
917			ERR_print_errors(err);
918			goto end;
919		}
920	if (format == FORMAT_ASN1)
921		{
922		pkey=d2i_PUBKEY_bio(key, NULL);
923		}
924	else if (format == FORMAT_PEM)
925		{
926		pkey=PEM_read_bio_PUBKEY(key,NULL,
927			(pem_password_cb *)password_callback, &cb_data);
928		}
929#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
930	else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
931		pkey = load_netscape_key(err, key, file, key_descrip, format);
932#endif
933	else
934		{
935		BIO_printf(err,"bad input format specified for key file\n");
936		goto end;
937		}
938 end:
939	if (key != NULL) BIO_free(key);
940	if (pkey == NULL)
941		BIO_printf(err,"unable to load %s\n", key_descrip);
942	return(pkey);
943	}
944
945#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
946static EVP_PKEY *
947load_netscape_key(BIO *err, BIO *key, const char *file,
948		const char *key_descrip, int format)
949	{
950	EVP_PKEY *pkey;
951	BUF_MEM *buf;
952	RSA	*rsa;
953	const unsigned char *p;
954	int size, i;
955
956	buf=BUF_MEM_new();
957	pkey = EVP_PKEY_new();
958	size = 0;
959	if (buf == NULL || pkey == NULL)
960		goto error;
961	for (;;)
962		{
963		if (!BUF_MEM_grow_clean(buf,size+1024*10))
964			goto error;
965		i = BIO_read(key, &(buf->data[size]), 1024*10);
966		size += i;
967		if (i == 0)
968			break;
969		if (i < 0)
970			{
971				BIO_printf(err, "Error reading %s %s",
972					key_descrip, file);
973				goto error;
974			}
975		}
976	p=(unsigned char *)buf->data;
977	rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
978		(format == FORMAT_IISSGC ? 1 : 0));
979	if (rsa == NULL)
980		goto error;
981	BUF_MEM_free(buf);
982	EVP_PKEY_set1_RSA(pkey, rsa);
983	return pkey;
984error:
985	BUF_MEM_free(buf);
986	EVP_PKEY_free(pkey);
987	return NULL;
988	}
989#endif /* ndef OPENSSL_NO_RC4 */
990
991STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
992	const char *pass, ENGINE *e, const char *cert_descrip)
993	{
994	BIO *certs;
995	int i;
996	STACK_OF(X509) *othercerts = NULL;
997	STACK_OF(X509_INFO) *allcerts = NULL;
998	X509_INFO *xi;
999	PW_CB_DATA cb_data;
1000
1001	cb_data.password = pass;
1002	cb_data.prompt_info = file;
1003
1004	if((certs = BIO_new(BIO_s_file())) == NULL)
1005		{
1006		ERR_print_errors(err);
1007		goto end;
1008		}
1009
1010	if (file == NULL)
1011		BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1012	else
1013		{
1014		if (BIO_read_filename(certs,file) <= 0)
1015			{
1016			BIO_printf(err, "Error opening %s %s\n",
1017				cert_descrip, file);
1018			ERR_print_errors(err);
1019			goto end;
1020			}
1021		}
1022
1023	if      (format == FORMAT_PEM)
1024		{
1025		othercerts = sk_X509_new_null();
1026		if(!othercerts)
1027			{
1028			sk_X509_free(othercerts);
1029			othercerts = NULL;
1030			goto end;
1031			}
1032		allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1033				(pem_password_cb *)password_callback, &cb_data);
1034		for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1035			{
1036			xi = sk_X509_INFO_value (allcerts, i);
1037			if (xi->x509)
1038				{
1039				sk_X509_push(othercerts, xi->x509);
1040				xi->x509 = NULL;
1041				}
1042			}
1043		goto end;
1044		}
1045	else	{
1046		BIO_printf(err,"bad input format specified for %s\n",
1047			cert_descrip);
1048		goto end;
1049		}
1050end:
1051	if (othercerts == NULL)
1052		{
1053		BIO_printf(err,"unable to load certificates\n");
1054		ERR_print_errors(err);
1055		}
1056	if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1057	if (certs != NULL) BIO_free(certs);
1058	return(othercerts);
1059	}
1060
1061
1062#define X509V3_EXT_UNKNOWN_MASK		(0xfL << 16)
1063/* Return error for unknown extensions */
1064#define X509V3_EXT_DEFAULT		0
1065/* Print error for unknown extensions */
1066#define X509V3_EXT_ERROR_UNKNOWN	(1L << 16)
1067/* ASN1 parse unknown extensions */
1068#define X509V3_EXT_PARSE_UNKNOWN	(2L << 16)
1069/* BIO_dump unknown extensions */
1070#define X509V3_EXT_DUMP_UNKNOWN		(3L << 16)
1071
1072#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1073			 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1074
1075int set_cert_ex(unsigned long *flags, const char *arg)
1076{
1077	static const NAME_EX_TBL cert_tbl[] = {
1078		{ "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1079		{ "ca_default", X509_FLAG_CA, 0xffffffffl},
1080		{ "no_header", X509_FLAG_NO_HEADER, 0},
1081		{ "no_version", X509_FLAG_NO_VERSION, 0},
1082		{ "no_serial", X509_FLAG_NO_SERIAL, 0},
1083		{ "no_signame", X509_FLAG_NO_SIGNAME, 0},
1084		{ "no_validity", X509_FLAG_NO_VALIDITY, 0},
1085		{ "no_subject", X509_FLAG_NO_SUBJECT, 0},
1086		{ "no_issuer", X509_FLAG_NO_ISSUER, 0},
1087		{ "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1088		{ "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1089		{ "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1090		{ "no_aux", X509_FLAG_NO_AUX, 0},
1091		{ "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1092		{ "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1093		{ "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1094		{ "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1095		{ "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1096		{ NULL, 0, 0}
1097	};
1098	return set_multi_opts(flags, arg, cert_tbl);
1099}
1100
1101int set_name_ex(unsigned long *flags, const char *arg)
1102{
1103	static const NAME_EX_TBL ex_tbl[] = {
1104		{ "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1105		{ "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1106		{ "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1107		{ "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1108		{ "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1109		{ "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1110		{ "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1111		{ "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1112		{ "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1113		{ "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1114		{ "compat", XN_FLAG_COMPAT, 0xffffffffL},
1115		{ "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1116		{ "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1117		{ "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1118		{ "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1119		{ "dn_rev", XN_FLAG_DN_REV, 0},
1120		{ "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1121		{ "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1122		{ "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1123		{ "align", XN_FLAG_FN_ALIGN, 0},
1124		{ "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1125		{ "space_eq", XN_FLAG_SPC_EQ, 0},
1126		{ "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1127		{ "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1128		{ "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1129		{ "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1130		{ "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1131		{ NULL, 0, 0}
1132	};
1133	return set_multi_opts(flags, arg, ex_tbl);
1134}
1135
1136int set_ext_copy(int *copy_type, const char *arg)
1137{
1138	if (!strcasecmp(arg, "none"))
1139		*copy_type = EXT_COPY_NONE;
1140	else if (!strcasecmp(arg, "copy"))
1141		*copy_type = EXT_COPY_ADD;
1142	else if (!strcasecmp(arg, "copyall"))
1143		*copy_type = EXT_COPY_ALL;
1144	else
1145		return 0;
1146	return 1;
1147}
1148
1149int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1150{
1151	STACK_OF(X509_EXTENSION) *exts = NULL;
1152	X509_EXTENSION *ext, *tmpext;
1153	ASN1_OBJECT *obj;
1154	int i, idx, ret = 0;
1155	if (!x || !req || (copy_type == EXT_COPY_NONE))
1156		return 1;
1157	exts = X509_REQ_get_extensions(req);
1158
1159	for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1160		ext = sk_X509_EXTENSION_value(exts, i);
1161		obj = X509_EXTENSION_get_object(ext);
1162		idx = X509_get_ext_by_OBJ(x, obj, -1);
1163		/* Does extension exist? */
1164		if (idx != -1) {
1165			/* If normal copy don't override existing extension */
1166			if (copy_type == EXT_COPY_ADD)
1167				continue;
1168			/* Delete all extensions of same type */
1169			do {
1170				tmpext = X509_get_ext(x, idx);
1171				X509_delete_ext(x, idx);
1172				X509_EXTENSION_free(tmpext);
1173				idx = X509_get_ext_by_OBJ(x, obj, -1);
1174			} while (idx != -1);
1175		}
1176		if (!X509_add_ext(x, ext, -1))
1177			goto end;
1178	}
1179
1180	ret = 1;
1181
1182	end:
1183
1184	sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1185
1186	return ret;
1187}
1188
1189
1190
1191
1192static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1193{
1194	STACK_OF(CONF_VALUE) *vals;
1195	CONF_VALUE *val;
1196	int i, ret = 1;
1197	if(!arg) return 0;
1198	vals = X509V3_parse_list(arg);
1199	for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1200		val = sk_CONF_VALUE_value(vals, i);
1201		if (!set_table_opts(flags, val->name, in_tbl))
1202			ret = 0;
1203	}
1204	sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1205	return ret;
1206}
1207
1208static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1209{
1210	char c;
1211	const NAME_EX_TBL *ptbl;
1212	c = arg[0];
1213
1214	if(c == '-') {
1215		c = 0;
1216		arg++;
1217	} else if (c == '+') {
1218		c = 1;
1219		arg++;
1220	} else c = 1;
1221
1222	for(ptbl = in_tbl; ptbl->name; ptbl++) {
1223		if(!strcasecmp(arg, ptbl->name)) {
1224			*flags &= ~ptbl->mask;
1225			if(c) *flags |= ptbl->flag;
1226			else *flags &= ~ptbl->flag;
1227			return 1;
1228		}
1229	}
1230	return 0;
1231}
1232
1233void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1234{
1235	char *buf;
1236	char mline = 0;
1237	int indent = 0;
1238
1239	if(title) BIO_puts(out, title);
1240	if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1241		mline = 1;
1242		indent = 4;
1243	}
1244	if(lflags == XN_FLAG_COMPAT) {
1245		buf = X509_NAME_oneline(nm, 0, 0);
1246		BIO_puts(out, buf);
1247		BIO_puts(out, "\n");
1248		OPENSSL_free(buf);
1249	} else {
1250		if(mline) BIO_puts(out, "\n");
1251		X509_NAME_print_ex(out, nm, indent, lflags);
1252		BIO_puts(out, "\n");
1253	}
1254}
1255
1256X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1257{
1258	X509_STORE *store;
1259	X509_LOOKUP *lookup;
1260	if(!(store = X509_STORE_new())) goto end;
1261	lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1262	if (lookup == NULL) goto end;
1263	if (CAfile) {
1264		if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1265			BIO_printf(bp, "Error loading file %s\n", CAfile);
1266			goto end;
1267		}
1268	} else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1269
1270	lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1271	if (lookup == NULL) goto end;
1272	if (CApath) {
1273		if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1274			BIO_printf(bp, "Error loading directory %s\n", CApath);
1275			goto end;
1276		}
1277	} else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1278
1279	ERR_clear_error();
1280	return store;
1281	end:
1282	X509_STORE_free(store);
1283	return NULL;
1284}
1285
1286#ifndef OPENSSL_NO_ENGINE
1287/* Try to load an engine in a shareable library */
1288static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1289	{
1290	ENGINE *e = ENGINE_by_id("dynamic");
1291	if (e)
1292		{
1293		if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1294			|| !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1295			{
1296			ENGINE_free(e);
1297			e = NULL;
1298			}
1299		}
1300	return e;
1301	}
1302
1303ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1304        {
1305        ENGINE *e = NULL;
1306
1307        if (engine)
1308                {
1309		if(strcmp(engine, "auto") == 0)
1310			{
1311			BIO_printf(err,"enabling auto ENGINE support\n");
1312			ENGINE_register_all_complete();
1313			return NULL;
1314			}
1315		if((e = ENGINE_by_id(engine)) == NULL
1316			&& (e = try_load_engine(err, engine, debug)) == NULL)
1317			{
1318			BIO_printf(err,"invalid engine \"%s\"\n", engine);
1319			ERR_print_errors(err);
1320			return NULL;
1321			}
1322		if (debug)
1323			{
1324			ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1325				0, err, 0);
1326			}
1327                ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1328		if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1329			{
1330			BIO_printf(err,"can't use that engine\n");
1331			ERR_print_errors(err);
1332			ENGINE_free(e);
1333			return NULL;
1334			}
1335
1336		BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1337
1338		/* Free our "structural" reference. */
1339		ENGINE_free(e);
1340		}
1341        return e;
1342        }
1343#endif
1344
1345int load_config(BIO *err, CONF *cnf)
1346	{
1347	if (!cnf)
1348		cnf = config;
1349	if (!cnf)
1350		return 1;
1351
1352	OPENSSL_load_builtin_modules();
1353
1354	if (CONF_modules_load(cnf, NULL, 0) <= 0)
1355		{
1356		BIO_printf(err, "Error configuring OpenSSL\n");
1357		ERR_print_errors(err);
1358		return 0;
1359		}
1360	return 1;
1361	}
1362
1363char *make_config_name()
1364	{
1365	const char *t=X509_get_default_cert_area();
1366	size_t len;
1367	char *p;
1368
1369	len=strlen(t)+strlen(OPENSSL_CONF)+2;
1370	p=OPENSSL_malloc(len);
1371	BUF_strlcpy(p,t,len);
1372#ifndef OPENSSL_SYS_VMS
1373	BUF_strlcat(p,"/",len);
1374#endif
1375	BUF_strlcat(p,OPENSSL_CONF,len);
1376
1377	return p;
1378	}
1379
1380static unsigned long index_serial_hash(const char **a)
1381	{
1382	const char *n;
1383
1384	n=a[DB_serial];
1385	while (*n == '0') n++;
1386	return(lh_strhash(n));
1387	}
1388
1389static int index_serial_cmp(const char **a, const char **b)
1390	{
1391	const char *aa,*bb;
1392
1393	for (aa=a[DB_serial]; *aa == '0'; aa++);
1394	for (bb=b[DB_serial]; *bb == '0'; bb++);
1395	return(strcmp(aa,bb));
1396	}
1397
1398static int index_name_qual(char **a)
1399	{ return(a[0][0] == 'V'); }
1400
1401static unsigned long index_name_hash(const char **a)
1402	{ return(lh_strhash(a[DB_name])); }
1403
1404int index_name_cmp(const char **a, const char **b)
1405	{ return(strcmp(a[DB_name],
1406	     b[DB_name])); }
1407
1408static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1409static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1410static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1411static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1412
1413#undef BSIZE
1414#define BSIZE 256
1415
1416BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1417	{
1418	BIO *in=NULL;
1419	BIGNUM *ret=NULL;
1420	MS_STATIC char buf[1024];
1421	ASN1_INTEGER *ai=NULL;
1422
1423	ai=ASN1_INTEGER_new();
1424	if (ai == NULL) goto err;
1425
1426	if ((in=BIO_new(BIO_s_file())) == NULL)
1427		{
1428		ERR_print_errors(bio_err);
1429		goto err;
1430		}
1431
1432	if (BIO_read_filename(in,serialfile) <= 0)
1433		{
1434		if (!create)
1435			{
1436			perror(serialfile);
1437			goto err;
1438			}
1439		else
1440			{
1441			ret=BN_new();
1442			if (ret == NULL || !rand_serial(ret, ai))
1443				BIO_printf(bio_err, "Out of memory\n");
1444			}
1445		}
1446	else
1447		{
1448		if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1449			{
1450			BIO_printf(bio_err,"unable to load number from %s\n",
1451				serialfile);
1452			goto err;
1453			}
1454		ret=ASN1_INTEGER_to_BN(ai,NULL);
1455		if (ret == NULL)
1456			{
1457			BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1458			goto err;
1459			}
1460		}
1461
1462	if (ret && retai)
1463		{
1464		*retai = ai;
1465		ai = NULL;
1466		}
1467 err:
1468	if (in != NULL) BIO_free(in);
1469	if (ai != NULL) ASN1_INTEGER_free(ai);
1470	return(ret);
1471	}
1472
1473int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1474	{
1475	char buf[1][BSIZE];
1476	BIO *out = NULL;
1477	int ret=0;
1478	ASN1_INTEGER *ai=NULL;
1479	int j;
1480
1481	if (suffix == NULL)
1482		j = strlen(serialfile);
1483	else
1484		j = strlen(serialfile) + strlen(suffix) + 1;
1485	if (j >= BSIZE)
1486		{
1487		BIO_printf(bio_err,"file name too long\n");
1488		goto err;
1489		}
1490
1491	if (suffix == NULL)
1492		BUF_strlcpy(buf[0], serialfile, BSIZE);
1493	else
1494		{
1495#ifndef OPENSSL_SYS_VMS
1496		j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1497#else
1498		j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1499#endif
1500		}
1501#ifdef RL_DEBUG
1502	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1503#endif
1504	out=BIO_new(BIO_s_file());
1505	if (out == NULL)
1506		{
1507		ERR_print_errors(bio_err);
1508		goto err;
1509		}
1510	if (BIO_write_filename(out,buf[0]) <= 0)
1511		{
1512		perror(serialfile);
1513		goto err;
1514		}
1515
1516	if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1517		{
1518		BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1519		goto err;
1520		}
1521	i2a_ASN1_INTEGER(out,ai);
1522	BIO_puts(out,"\n");
1523	ret=1;
1524	if (retai)
1525		{
1526		*retai = ai;
1527		ai = NULL;
1528		}
1529err:
1530	if (out != NULL) BIO_free_all(out);
1531	if (ai != NULL) ASN1_INTEGER_free(ai);
1532	return(ret);
1533	}
1534
1535int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1536	{
1537	char buf[5][BSIZE];
1538	int i,j;
1539	struct stat sb;
1540
1541	i = strlen(serialfile) + strlen(old_suffix);
1542	j = strlen(serialfile) + strlen(new_suffix);
1543	if (i > j) j = i;
1544	if (j + 1 >= BSIZE)
1545		{
1546		BIO_printf(bio_err,"file name too long\n");
1547		goto err;
1548		}
1549
1550#ifndef OPENSSL_SYS_VMS
1551	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1552		serialfile, new_suffix);
1553#else
1554	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1555		serialfile, new_suffix);
1556#endif
1557#ifndef OPENSSL_SYS_VMS
1558	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1559		serialfile, old_suffix);
1560#else
1561	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1562		serialfile, old_suffix);
1563#endif
1564	if (stat(serialfile,&sb) < 0)
1565		{
1566		if (errno != ENOENT
1567#ifdef ENOTDIR
1568			&& errno != ENOTDIR)
1569#endif
1570			goto err;
1571		}
1572	else
1573		{
1574#ifdef RL_DEBUG
1575		BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1576			serialfile, buf[1]);
1577#endif
1578		if (rename(serialfile,buf[1]) < 0)
1579			{
1580			BIO_printf(bio_err,
1581				"unable to rename %s to %s\n",
1582				serialfile, buf[1]);
1583			perror("reason");
1584			goto err;
1585			}
1586		}
1587#ifdef RL_DEBUG
1588	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1589		buf[0],serialfile);
1590#endif
1591	if (rename(buf[0],serialfile) < 0)
1592		{
1593		BIO_printf(bio_err,
1594			"unable to rename %s to %s\n",
1595			buf[0],serialfile);
1596		perror("reason");
1597		rename(buf[1],serialfile);
1598		goto err;
1599		}
1600	return 1;
1601 err:
1602	return 0;
1603	}
1604
1605int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1606	{
1607	BIGNUM *btmp;
1608	int ret = 0;
1609	if (b)
1610		btmp = b;
1611	else
1612		btmp = BN_new();
1613
1614	if (!btmp)
1615		return 0;
1616
1617	if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1618		goto error;
1619	if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1620		goto error;
1621
1622	ret = 1;
1623
1624	error:
1625
1626	if (!b)
1627		BN_free(btmp);
1628
1629	return ret;
1630	}
1631
1632CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1633	{
1634	CA_DB *retdb = NULL;
1635	TXT_DB *tmpdb = NULL;
1636	BIO *in = BIO_new(BIO_s_file());
1637	CONF *dbattr_conf = NULL;
1638	char buf[1][BSIZE];
1639	long errorline= -1;
1640
1641	if (in == NULL)
1642		{
1643		ERR_print_errors(bio_err);
1644		goto err;
1645		}
1646	if (BIO_read_filename(in,dbfile) <= 0)
1647		{
1648		perror(dbfile);
1649		BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1650		goto err;
1651		}
1652	if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1653		{
1654		if (tmpdb != NULL) TXT_DB_free(tmpdb);
1655		goto err;
1656		}
1657
1658#ifndef OPENSSL_SYS_VMS
1659	BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1660#else
1661	BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1662#endif
1663	dbattr_conf = NCONF_new(NULL);
1664	if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1665		{
1666		if (errorline > 0)
1667			{
1668			BIO_printf(bio_err,
1669				"error on line %ld of db attribute file '%s'\n"
1670				,errorline,buf[0]);
1671			goto err;
1672			}
1673		else
1674			{
1675			NCONF_free(dbattr_conf);
1676			dbattr_conf = NULL;
1677			}
1678		}
1679
1680	if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1681		{
1682		fprintf(stderr, "Out of memory\n");
1683		goto err;
1684		}
1685
1686	retdb->db = tmpdb;
1687	tmpdb = NULL;
1688	if (db_attr)
1689		retdb->attributes = *db_attr;
1690	else
1691		{
1692		retdb->attributes.unique_subject = 1;
1693		}
1694
1695	if (dbattr_conf)
1696		{
1697		char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1698		if (p)
1699			{
1700			BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1701			switch(*p)
1702				{
1703			case 'f': /* false */
1704			case 'F': /* FALSE */
1705			case 'n': /* no */
1706			case 'N': /* NO */
1707				retdb->attributes.unique_subject = 0;
1708				break;
1709			case 't': /* true */
1710			case 'T': /* TRUE */
1711			case 'y': /* yes */
1712			case 'Y': /* YES */
1713			default:
1714				retdb->attributes.unique_subject = 1;
1715				break;
1716				}
1717			}
1718		}
1719
1720 err:
1721	if (dbattr_conf) NCONF_free(dbattr_conf);
1722	if (tmpdb) TXT_DB_free(tmpdb);
1723	if (in) BIO_free_all(in);
1724	return retdb;
1725	}
1726
1727int index_index(CA_DB *db)
1728	{
1729	if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1730				LHASH_HASH_FN(index_serial_hash),
1731				LHASH_COMP_FN(index_serial_cmp)))
1732		{
1733		BIO_printf(bio_err,
1734		  "error creating serial number index:(%ld,%ld,%ld)\n",
1735		  			db->db->error,db->db->arg1,db->db->arg2);
1736			return 0;
1737		}
1738
1739	if (db->attributes.unique_subject
1740		&& !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1741			LHASH_HASH_FN(index_name_hash),
1742			LHASH_COMP_FN(index_name_cmp)))
1743		{
1744		BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1745			db->db->error,db->db->arg1,db->db->arg2);
1746		return 0;
1747		}
1748	return 1;
1749	}
1750
1751int save_index(char *dbfile, char *suffix, CA_DB *db)
1752	{
1753	char buf[3][BSIZE];
1754	BIO *out = BIO_new(BIO_s_file());
1755	int j;
1756
1757	if (out == NULL)
1758		{
1759		ERR_print_errors(bio_err);
1760		goto err;
1761		}
1762
1763	j = strlen(dbfile) + strlen(suffix);
1764	if (j + 6 >= BSIZE)
1765		{
1766		BIO_printf(bio_err,"file name too long\n");
1767		goto err;
1768		}
1769
1770#ifndef OPENSSL_SYS_VMS
1771	j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1772#else
1773	j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1774#endif
1775#ifndef OPENSSL_SYS_VMS
1776	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1777#else
1778	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1779#endif
1780#ifndef OPENSSL_SYS_VMS
1781	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1782#else
1783	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1784#endif
1785#ifdef RL_DEBUG
1786	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1787#endif
1788	if (BIO_write_filename(out,buf[0]) <= 0)
1789		{
1790		perror(dbfile);
1791		BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1792		goto err;
1793		}
1794	j=TXT_DB_write(out,db->db);
1795	if (j <= 0) goto err;
1796
1797	BIO_free(out);
1798
1799	out = BIO_new(BIO_s_file());
1800#ifdef RL_DEBUG
1801	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1802#endif
1803	if (BIO_write_filename(out,buf[1]) <= 0)
1804		{
1805		perror(buf[2]);
1806		BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1807		goto err;
1808		}
1809	BIO_printf(out,"unique_subject = %s\n",
1810		db->attributes.unique_subject ? "yes" : "no");
1811	BIO_free(out);
1812
1813	return 1;
1814 err:
1815	return 0;
1816	}
1817
1818int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
1819	{
1820	char buf[5][BSIZE];
1821	int i,j;
1822	struct stat sb;
1823
1824	i = strlen(dbfile) + strlen(old_suffix);
1825	j = strlen(dbfile) + strlen(new_suffix);
1826	if (i > j) j = i;
1827	if (j + 6 >= BSIZE)
1828		{
1829		BIO_printf(bio_err,"file name too long\n");
1830		goto err;
1831		}
1832
1833#ifndef OPENSSL_SYS_VMS
1834	j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1835#else
1836	j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1837#endif
1838#ifndef OPENSSL_SYS_VMS
1839	j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1840		dbfile, new_suffix);
1841#else
1842	j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1843		dbfile, new_suffix);
1844#endif
1845#ifndef OPENSSL_SYS_VMS
1846	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1847		dbfile, new_suffix);
1848#else
1849	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1850		dbfile, new_suffix);
1851#endif
1852#ifndef OPENSSL_SYS_VMS
1853	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1854		dbfile, old_suffix);
1855#else
1856	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1857		dbfile, old_suffix);
1858#endif
1859#ifndef OPENSSL_SYS_VMS
1860	j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1861		dbfile, old_suffix);
1862#else
1863	j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1864		dbfile, old_suffix);
1865#endif
1866	if (stat(dbfile,&sb) < 0)
1867		{
1868		if (errno != ENOENT
1869#ifdef ENOTDIR
1870			&& errno != ENOTDIR)
1871#endif
1872			goto err;
1873		}
1874	else
1875		{
1876#ifdef RL_DEBUG
1877		BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1878			dbfile, buf[1]);
1879#endif
1880		if (rename(dbfile,buf[1]) < 0)
1881			{
1882			BIO_printf(bio_err,
1883				"unable to rename %s to %s\n",
1884				dbfile, buf[1]);
1885			perror("reason");
1886			goto err;
1887			}
1888		}
1889#ifdef RL_DEBUG
1890	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1891		buf[0],dbfile);
1892#endif
1893	if (rename(buf[0],dbfile) < 0)
1894		{
1895		BIO_printf(bio_err,
1896			"unable to rename %s to %s\n",
1897			buf[0],dbfile);
1898		perror("reason");
1899		rename(buf[1],dbfile);
1900		goto err;
1901		}
1902	if (stat(buf[4],&sb) < 0)
1903		{
1904		if (errno != ENOENT
1905#ifdef ENOTDIR
1906			&& errno != ENOTDIR)
1907#endif
1908			goto err;
1909		}
1910	else
1911		{
1912#ifdef RL_DEBUG
1913		BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1914			buf[4],buf[3]);
1915#endif
1916		if (rename(buf[4],buf[3]) < 0)
1917			{
1918			BIO_printf(bio_err,
1919				"unable to rename %s to %s\n",
1920				buf[4], buf[3]);
1921			perror("reason");
1922			rename(dbfile,buf[0]);
1923			rename(buf[1],dbfile);
1924			goto err;
1925			}
1926		}
1927#ifdef RL_DEBUG
1928	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1929		buf[2],buf[4]);
1930#endif
1931	if (rename(buf[2],buf[4]) < 0)
1932		{
1933		BIO_printf(bio_err,
1934			"unable to rename %s to %s\n",
1935			buf[2],buf[4]);
1936		perror("reason");
1937		rename(buf[3],buf[4]);
1938		rename(dbfile,buf[0]);
1939		rename(buf[1],dbfile);
1940		goto err;
1941		}
1942	return 1;
1943 err:
1944	return 0;
1945	}
1946
1947void free_index(CA_DB *db)
1948	{
1949	if (db)
1950		{
1951		if (db->db) TXT_DB_free(db->db);
1952		OPENSSL_free(db);
1953		}
1954	}
1955
1956/* This code MUST COME AFTER anything that uses rename() */
1957#ifdef OPENSSL_SYS_WIN32
1958int WIN32_rename(char *from, char *to)
1959	{
1960#ifndef OPENSSL_SYS_WINCE
1961	/* Windows rename gives an error if 'to' exists, so delete it
1962	 * first and ignore file not found errror
1963	 */
1964	if((remove(to) != 0) && (errno != ENOENT))
1965		return -1;
1966#undef rename
1967	return rename(from, to);
1968#else
1969	/* convert strings to UNICODE */
1970	{
1971	BOOL result = FALSE;
1972	WCHAR* wfrom;
1973	WCHAR* wto;
1974	int i;
1975	wfrom = malloc((strlen(from)+1)*2);
1976	wto = malloc((strlen(to)+1)*2);
1977	if (wfrom != NULL && wto != NULL)
1978		{
1979		for (i=0; i<(int)strlen(from)+1; i++)
1980			wfrom[i] = (short)from[i];
1981		for (i=0; i<(int)strlen(to)+1; i++)
1982			wto[i] = (short)to[i];
1983		result = MoveFile(wfrom, wto);
1984		}
1985	if (wfrom != NULL)
1986		free(wfrom);
1987	if (wto != NULL)
1988		free(wto);
1989	return result;
1990	}
1991#endif
1992	}
1993#endif
1994