apps.c revision 127128
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#ifdef OPENSSL_SYS_WINDOWS
130#define strcasecmp _stricmp
131#else
132#  ifdef NO_STRINGS_H
133    int	strcasecmp();
134#  else
135#    include <strings.h>
136#  endif /* NO_STRINGS_H */
137#endif
138
139#define NON_MAIN
140#include "apps.h"
141#undef NON_MAIN
142
143typedef struct {
144	char *name;
145	unsigned long flag;
146	unsigned long mask;
147} NAME_EX_TBL;
148
149static UI_METHOD *ui_method = NULL;
150
151static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
152static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
153
154#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
155/* Looks like this stuff is worth moving into separate function */
156static EVP_PKEY *
157load_netscape_key(BIO *err, BIO *key, const char *file,
158		const char *key_descrip, int format);
159#endif
160
161int app_init(long mesgwin);
162#ifdef undef /* never finished - probably never will be :-) */
163int args_from_file(char *file, int *argc, char **argv[])
164	{
165	FILE *fp;
166	int num,i;
167	unsigned int len;
168	static char *buf=NULL;
169	static char **arg=NULL;
170	char *p;
171	struct stat stbuf;
172
173	if (stat(file,&stbuf) < 0) return(0);
174
175	fp=fopen(file,"r");
176	if (fp == NULL)
177		return(0);
178
179	*argc=0;
180	*argv=NULL;
181
182	len=(unsigned int)stbuf.st_size;
183	if (buf != NULL) OPENSSL_free(buf);
184	buf=(char *)OPENSSL_malloc(len+1);
185	if (buf == NULL) return(0);
186
187	len=fread(buf,1,len,fp);
188	if (len <= 1) return(0);
189	buf[len]='\0';
190
191	i=0;
192	for (p=buf; *p; p++)
193		if (*p == '\n') i++;
194	if (arg != NULL) OPENSSL_free(arg);
195	arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
196
197	*argv=arg;
198	num=0;
199	p=buf;
200	for (;;)
201		{
202		if (!*p) break;
203		if (*p == '#') /* comment line */
204			{
205			while (*p && (*p != '\n')) p++;
206			continue;
207			}
208		/* else we have a line */
209		*(arg++)=p;
210		num++;
211		while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
212			p++;
213		if (!*p) break;
214		if (*p == '\n')
215			{
216			*(p++)='\0';
217			continue;
218			}
219		/* else it is a tab or space */
220		p++;
221		while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
222			p++;
223		if (!*p) break;
224		if (*p == '\n')
225			{
226			p++;
227			continue;
228			}
229		*(arg++)=p++;
230		num++;
231		while (*p && (*p != '\n')) p++;
232		if (!*p) break;
233		/* else *p == '\n' */
234		*(p++)='\0';
235		}
236	*argc=num;
237	return(1);
238	}
239#endif
240
241int str2fmt(char *s)
242	{
243	if 	((*s == 'D') || (*s == 'd'))
244		return(FORMAT_ASN1);
245	else if ((*s == 'T') || (*s == 't'))
246		return(FORMAT_TEXT);
247	else if ((*s == 'P') || (*s == 'p'))
248		return(FORMAT_PEM);
249	else if ((*s == 'N') || (*s == 'n'))
250		return(FORMAT_NETSCAPE);
251	else if ((*s == 'S') || (*s == 's'))
252		return(FORMAT_SMIME);
253	else if ((*s == '1')
254		|| (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
255		|| (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
256		return(FORMAT_PKCS12);
257	else if ((*s == 'E') || (*s == 'e'))
258		return(FORMAT_ENGINE);
259	else
260		return(FORMAT_UNDEF);
261	}
262
263#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
264void program_name(char *in, char *out, int size)
265	{
266	int i,n;
267	char *p=NULL;
268
269	n=strlen(in);
270	/* find the last '/', '\' or ':' */
271	for (i=n-1; i>0; i--)
272		{
273		if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
274			{
275			p= &(in[i+1]);
276			break;
277			}
278		}
279	if (p == NULL)
280		p=in;
281	n=strlen(p);
282	/* strip off trailing .exe if present. */
283	if ((n > 4) && (p[n-4] == '.') &&
284		((p[n-3] == 'e') || (p[n-3] == 'E')) &&
285		((p[n-2] == 'x') || (p[n-2] == 'X')) &&
286		((p[n-1] == 'e') || (p[n-1] == 'E')))
287		n-=4;
288	if (n > size-1)
289		n=size-1;
290
291	for (i=0; i<n; i++)
292		{
293		if ((p[i] >= 'A') && (p[i] <= 'Z'))
294			out[i]=p[i]-'A'+'a';
295		else
296			out[i]=p[i];
297		}
298	out[n]='\0';
299	}
300#else
301#ifdef OPENSSL_SYS_VMS
302void program_name(char *in, char *out, int size)
303	{
304	char *p=in, *q;
305	char *chars=":]>";
306
307	while(*chars != '\0')
308		{
309		q=strrchr(p,*chars);
310		if (q > p)
311			p = q + 1;
312		chars++;
313		}
314
315	q=strrchr(p,'.');
316	if (q == NULL)
317		q = p + strlen(p);
318	strncpy(out,p,size-1);
319	if (q-p >= size)
320		{
321		out[size-1]='\0';
322		}
323	else
324		{
325		out[q-p]='\0';
326		}
327	}
328#else
329void program_name(char *in, char *out, int size)
330	{
331	char *p;
332
333	p=strrchr(in,'/');
334	if (p != NULL)
335		p++;
336	else
337		p=in;
338	BUF_strlcpy(out,p,size);
339	}
340#endif
341#endif
342
343#ifdef OPENSSL_SYS_WIN32
344int WIN32_rename(char *from, char *to)
345	{
346#ifndef OPENSSL_SYS_WINCE
347	/* Windows rename gives an error if 'to' exists, so delete it
348	 * first and ignore file not found errror
349	 */
350	if((remove(to) != 0) && (errno != ENOENT))
351		return -1;
352#undef rename
353	return rename(from, to);
354#else
355	/* convert strings to UNICODE */
356	{
357	BOOL result = FALSE;
358	WCHAR* wfrom;
359	WCHAR* wto;
360	int i;
361	wfrom = malloc((strlen(from)+1)*2);
362	wto = malloc((strlen(to)+1)*2);
363	if (wfrom != NULL && wto != NULL)
364		{
365		for (i=0; i<(int)strlen(from)+1; i++)
366			wfrom[i] = (short)from[i];
367		for (i=0; i<(int)strlen(to)+1; i++)
368			wto[i] = (short)to[i];
369		result = MoveFile(wfrom, wto);
370		}
371	if (wfrom != NULL)
372		free(wfrom);
373	if (wto != NULL)
374		free(wto);
375	return result;
376	}
377#endif
378	}
379#endif
380
381#ifdef OPENSSL_SYS_VMS
382int VMS_strcasecmp(const char *str1, const char *str2)
383	{
384	while (*str1 && *str2)
385		{
386		int res = toupper(*str1) - toupper(*str2);
387		if (res) return res < 0 ? -1 : 1;
388		}
389	if (*str1)
390		return 1;
391	if (*str2)
392		return -1;
393	return 0;
394	}
395#endif
396
397int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
398	{
399	int num,len,i;
400	char *p;
401
402	*argc=0;
403	*argv=NULL;
404
405	len=strlen(buf);
406	i=0;
407	if (arg->count == 0)
408		{
409		arg->count=20;
410		arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
411		}
412	for (i=0; i<arg->count; i++)
413		arg->data[i]=NULL;
414
415	num=0;
416	p=buf;
417	for (;;)
418		{
419		/* first scan over white space */
420		if (!*p) break;
421		while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
422			p++;
423		if (!*p) break;
424
425		/* The start of something good :-) */
426		if (num >= arg->count)
427			{
428			arg->count+=20;
429			arg->data=(char **)OPENSSL_realloc(arg->data,
430				sizeof(char *)*arg->count);
431			if (argc == 0) return(0);
432			}
433		arg->data[num++]=p;
434
435		/* now look for the end of this */
436		if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
437			{
438			i= *(p++);
439			arg->data[num-1]++; /* jump over quote */
440			while (*p && (*p != i))
441				p++;
442			*p='\0';
443			}
444		else
445			{
446			while (*p && ((*p != ' ') &&
447				(*p != '\t') && (*p != '\n')))
448				p++;
449
450			if (*p == '\0')
451				p--;
452			else
453				*p='\0';
454			}
455		p++;
456		}
457	*argc=num;
458	*argv=arg->data;
459	return(1);
460	}
461
462#ifndef APP_INIT
463int app_init(long mesgwin)
464	{
465	return(1);
466	}
467#endif
468
469
470int dump_cert_text (BIO *out, X509 *x)
471{
472	char *p;
473
474	p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
475	BIO_puts(out,"subject=");
476	BIO_puts(out,p);
477	OPENSSL_free(p);
478
479	p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
480	BIO_puts(out,"\nissuer=");
481	BIO_puts(out,p);
482	BIO_puts(out,"\n");
483	OPENSSL_free(p);
484
485	return 0;
486}
487
488static int ui_open(UI *ui)
489	{
490	return UI_method_get_opener(UI_OpenSSL())(ui);
491	}
492static int ui_read(UI *ui, UI_STRING *uis)
493	{
494	if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
495		&& UI_get0_user_data(ui))
496		{
497		switch(UI_get_string_type(uis))
498			{
499		case UIT_PROMPT:
500		case UIT_VERIFY:
501			{
502			const char *password =
503				((PW_CB_DATA *)UI_get0_user_data(ui))->password;
504			if (password && password[0] != '\0')
505				{
506				UI_set_result(ui, uis, password);
507				return 1;
508				}
509			}
510		default:
511			break;
512			}
513		}
514	return UI_method_get_reader(UI_OpenSSL())(ui, uis);
515	}
516static int ui_write(UI *ui, UI_STRING *uis)
517	{
518	if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
519		&& UI_get0_user_data(ui))
520		{
521		switch(UI_get_string_type(uis))
522			{
523		case UIT_PROMPT:
524		case UIT_VERIFY:
525			{
526			const char *password =
527				((PW_CB_DATA *)UI_get0_user_data(ui))->password;
528			if (password && password[0] != '\0')
529				return 1;
530			}
531		default:
532			break;
533			}
534		}
535	return UI_method_get_writer(UI_OpenSSL())(ui, uis);
536	}
537static int ui_close(UI *ui)
538	{
539	return UI_method_get_closer(UI_OpenSSL())(ui);
540	}
541int setup_ui_method(void)
542	{
543	ui_method = UI_create_method("OpenSSL application user interface");
544	UI_method_set_opener(ui_method, ui_open);
545	UI_method_set_reader(ui_method, ui_read);
546	UI_method_set_writer(ui_method, ui_write);
547	UI_method_set_closer(ui_method, ui_close);
548	return 0;
549	}
550void destroy_ui_method(void)
551	{
552	if(ui_method)
553		{
554		UI_destroy_method(ui_method);
555		ui_method = NULL;
556		}
557	}
558int password_callback(char *buf, int bufsiz, int verify,
559	PW_CB_DATA *cb_tmp)
560	{
561	UI *ui = NULL;
562	int res = 0;
563	const char *prompt_info = NULL;
564	const char *password = NULL;
565	PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
566
567	if (cb_data)
568		{
569		if (cb_data->password)
570			password = cb_data->password;
571		if (cb_data->prompt_info)
572			prompt_info = cb_data->prompt_info;
573		}
574
575	if (password)
576		{
577		res = strlen(password);
578		if (res > bufsiz)
579			res = bufsiz;
580		memcpy(buf, password, res);
581		return res;
582		}
583
584	ui = UI_new_method(ui_method);
585	if (ui)
586		{
587		int ok = 0;
588		char *buff = NULL;
589		int ui_flags = 0;
590		char *prompt = NULL;
591
592		prompt = UI_construct_prompt(ui, "pass phrase",
593			cb_data->prompt_info);
594
595		ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
596		UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
597
598		if (ok >= 0)
599			ok = UI_add_input_string(ui,prompt,ui_flags,buf,
600				PW_MIN_LENGTH,BUFSIZ-1);
601		if (ok >= 0 && verify)
602			{
603			buff = (char *)OPENSSL_malloc(bufsiz);
604			ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
605				PW_MIN_LENGTH,BUFSIZ-1, buf);
606			}
607		if (ok >= 0)
608			do
609				{
610				ok = UI_process(ui);
611				}
612			while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
613
614		if (buff)
615			{
616			OPENSSL_cleanse(buff,(unsigned int)bufsiz);
617			OPENSSL_free(buff);
618			}
619
620		if (ok >= 0)
621			res = strlen(buf);
622		if (ok == -1)
623			{
624			BIO_printf(bio_err, "User interface error\n");
625			ERR_print_errors(bio_err);
626			OPENSSL_cleanse(buf,(unsigned int)bufsiz);
627			res = 0;
628			}
629		if (ok == -2)
630			{
631			BIO_printf(bio_err,"aborted!\n");
632			OPENSSL_cleanse(buf,(unsigned int)bufsiz);
633			res = 0;
634			}
635		UI_free(ui);
636		OPENSSL_free(prompt);
637		}
638	return res;
639	}
640
641static char *app_get_pass(BIO *err, char *arg, int keepbio);
642
643int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
644{
645	int same;
646	if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
647	else same = 1;
648	if(arg1) {
649		*pass1 = app_get_pass(err, arg1, same);
650		if(!*pass1) return 0;
651	} else if(pass1) *pass1 = NULL;
652	if(arg2) {
653		*pass2 = app_get_pass(err, arg2, same ? 2 : 0);
654		if(!*pass2) return 0;
655	} else if(pass2) *pass2 = NULL;
656	return 1;
657}
658
659static char *app_get_pass(BIO *err, char *arg, int keepbio)
660{
661	char *tmp, tpass[APP_PASS_LEN];
662	static BIO *pwdbio = NULL;
663	int i;
664	if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
665	if(!strncmp(arg, "env:", 4)) {
666		tmp = getenv(arg + 4);
667		if(!tmp) {
668			BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
669			return NULL;
670		}
671		return BUF_strdup(tmp);
672	}
673	if(!keepbio || !pwdbio) {
674		if(!strncmp(arg, "file:", 5)) {
675			pwdbio = BIO_new_file(arg + 5, "r");
676			if(!pwdbio) {
677				BIO_printf(err, "Can't open file %s\n", arg + 5);
678				return NULL;
679			}
680		} else if(!strncmp(arg, "fd:", 3)) {
681			BIO *btmp;
682			i = atoi(arg + 3);
683			if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
684			if((i < 0) || !pwdbio) {
685				BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
686				return NULL;
687			}
688			/* Can't do BIO_gets on an fd BIO so add a buffering BIO */
689			btmp = BIO_new(BIO_f_buffer());
690			pwdbio = BIO_push(btmp, pwdbio);
691		} else if(!strcmp(arg, "stdin")) {
692			pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
693			if(!pwdbio) {
694				BIO_printf(err, "Can't open BIO for stdin\n");
695				return NULL;
696			}
697		} else {
698			BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
699			return NULL;
700		}
701	}
702	i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
703	if(keepbio != 1) {
704		BIO_free_all(pwdbio);
705		pwdbio = NULL;
706	}
707	if(i <= 0) {
708		BIO_printf(err, "Error reading password from BIO\n");
709		return NULL;
710	}
711	tmp = strchr(tpass, '\n');
712	if(tmp) *tmp = 0;
713	return BUF_strdup(tpass);
714}
715
716int add_oid_section(BIO *err, CONF *conf)
717{
718	char *p;
719	STACK_OF(CONF_VALUE) *sktmp;
720	CONF_VALUE *cnf;
721	int i;
722	if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
723		{
724		ERR_clear_error();
725		return 1;
726		}
727	if(!(sktmp = NCONF_get_section(conf, p))) {
728		BIO_printf(err, "problem loading oid section %s\n", p);
729		return 0;
730	}
731	for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
732		cnf = sk_CONF_VALUE_value(sktmp, i);
733		if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
734			BIO_printf(err, "problem creating object %s=%s\n",
735							 cnf->name, cnf->value);
736			return 0;
737		}
738	}
739	return 1;
740}
741
742X509 *load_cert(BIO *err, const char *file, int format,
743	const char *pass, ENGINE *e, const char *cert_descrip)
744	{
745	ASN1_HEADER *ah=NULL;
746	BUF_MEM *buf=NULL;
747	X509 *x=NULL;
748	BIO *cert;
749
750	if ((cert=BIO_new(BIO_s_file())) == NULL)
751		{
752		ERR_print_errors(err);
753		goto end;
754		}
755
756	if (file == NULL)
757		{
758		setvbuf(stdin, NULL, _IONBF, 0);
759		BIO_set_fp(cert,stdin,BIO_NOCLOSE);
760		}
761	else
762		{
763		if (BIO_read_filename(cert,file) <= 0)
764			{
765			BIO_printf(err, "Error opening %s %s\n",
766				cert_descrip, file);
767			ERR_print_errors(err);
768			goto end;
769			}
770		}
771
772	if 	(format == FORMAT_ASN1)
773		x=d2i_X509_bio(cert,NULL);
774	else if (format == FORMAT_NETSCAPE)
775		{
776		unsigned char *p,*op;
777		int size=0,i;
778
779		/* We sort of have to do it this way because it is sort of nice
780		 * to read the header first and check it, then
781		 * try to read the certificate */
782		buf=BUF_MEM_new();
783		for (;;)
784			{
785			if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
786				goto end;
787			i=BIO_read(cert,&(buf->data[size]),1024*10);
788			size+=i;
789			if (i == 0) break;
790			if (i < 0)
791				{
792				perror("reading certificate");
793				goto end;
794				}
795			}
796		p=(unsigned char *)buf->data;
797		op=p;
798
799		/* First load the header */
800		if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
801			goto end;
802		if ((ah->header == NULL) || (ah->header->data == NULL) ||
803			(strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
804			ah->header->length) != 0))
805			{
806			BIO_printf(err,"Error reading header on certificate\n");
807			goto end;
808			}
809		/* header is ok, so now read the object */
810		p=op;
811		ah->meth=X509_asn1_meth();
812		if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
813			goto end;
814		x=(X509 *)ah->data;
815		ah->data=NULL;
816		}
817	else if (format == FORMAT_PEM)
818		x=PEM_read_bio_X509_AUX(cert,NULL,
819			(pem_password_cb *)password_callback, NULL);
820	else if (format == FORMAT_PKCS12)
821		{
822		PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
823
824		PKCS12_parse(p12, NULL, NULL, &x, NULL);
825		PKCS12_free(p12);
826		p12 = NULL;
827		}
828	else	{
829		BIO_printf(err,"bad input format specified for %s\n",
830			cert_descrip);
831		goto end;
832		}
833end:
834	if (x == NULL)
835		{
836		BIO_printf(err,"unable to load certificate\n");
837		ERR_print_errors(err);
838		}
839	if (ah != NULL) ASN1_HEADER_free(ah);
840	if (cert != NULL) BIO_free(cert);
841	if (buf != NULL) BUF_MEM_free(buf);
842	return(x);
843	}
844
845EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
846	const char *pass, ENGINE *e, const char *key_descrip)
847	{
848	BIO *key=NULL;
849	EVP_PKEY *pkey=NULL;
850	PW_CB_DATA cb_data;
851
852	cb_data.password = pass;
853	cb_data.prompt_info = file;
854
855	if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
856		{
857		BIO_printf(err,"no keyfile specified\n");
858		goto end;
859		}
860#ifndef OPENSSL_NO_ENGINE
861	if (format == FORMAT_ENGINE)
862		{
863		if (!e)
864			BIO_printf(bio_err,"no engine specified\n");
865		else
866			pkey = ENGINE_load_private_key(e, file,
867				ui_method, &cb_data);
868		goto end;
869		}
870#endif
871	key=BIO_new(BIO_s_file());
872	if (key == NULL)
873		{
874		ERR_print_errors(err);
875		goto end;
876		}
877	if (file == NULL && maybe_stdin)
878		{
879		setvbuf(stdin, NULL, _IONBF, 0);
880		BIO_set_fp(key,stdin,BIO_NOCLOSE);
881		}
882	else
883		if (BIO_read_filename(key,file) <= 0)
884			{
885			BIO_printf(err, "Error opening %s %s\n",
886				key_descrip, file);
887			ERR_print_errors(err);
888			goto end;
889			}
890	if (format == FORMAT_ASN1)
891		{
892		pkey=d2i_PrivateKey_bio(key, NULL);
893		}
894	else if (format == FORMAT_PEM)
895		{
896		pkey=PEM_read_bio_PrivateKey(key,NULL,
897			(pem_password_cb *)password_callback, &cb_data);
898		}
899#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
900	else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
901		pkey = load_netscape_key(err, key, file, key_descrip, format);
902#endif
903	else if (format == FORMAT_PKCS12)
904		{
905		PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
906
907		PKCS12_parse(p12, pass, &pkey, NULL, NULL);
908		PKCS12_free(p12);
909		p12 = NULL;
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, 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			ASN1_INTEGER_set(ai,1);
1490			ret=BN_new();
1491			if (ret == NULL)
1492				BIO_printf(bio_err, "Out of memory\n");
1493			else
1494				BN_one(ret);
1495			}
1496		}
1497	else
1498		{
1499		if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1500			{
1501			BIO_printf(bio_err,"unable to load number from %s\n",
1502				serialfile);
1503			goto err;
1504			}
1505		ret=ASN1_INTEGER_to_BN(ai,NULL);
1506		if (ret == NULL)
1507			{
1508			BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1509			goto err;
1510			}
1511		}
1512
1513	if (ret && retai)
1514		{
1515		*retai = ai;
1516		ai = NULL;
1517		}
1518 err:
1519	if (in != NULL) BIO_free(in);
1520	if (ai != NULL) ASN1_INTEGER_free(ai);
1521	return(ret);
1522	}
1523
1524int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1525	{
1526	char buf[1][BSIZE];
1527	BIO *out = NULL;
1528	int ret=0;
1529	ASN1_INTEGER *ai=NULL;
1530	int j;
1531
1532	if (suffix == NULL)
1533		j = strlen(serialfile);
1534	else
1535		j = strlen(serialfile) + strlen(suffix) + 1;
1536	if (j >= BSIZE)
1537		{
1538		BIO_printf(bio_err,"file name too long\n");
1539		goto err;
1540		}
1541
1542	if (suffix == NULL)
1543		BUF_strlcpy(buf[0], serialfile, BSIZE);
1544	else
1545		{
1546#ifndef OPENSSL_SYS_VMS
1547		j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1548#else
1549		j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1550#endif
1551		}
1552#ifdef RL_DEBUG
1553	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1554#endif
1555	out=BIO_new(BIO_s_file());
1556	if (out == NULL)
1557		{
1558		ERR_print_errors(bio_err);
1559		goto err;
1560		}
1561	if (BIO_write_filename(out,buf[0]) <= 0)
1562		{
1563		perror(serialfile);
1564		goto err;
1565		}
1566
1567	if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1568		{
1569		BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1570		goto err;
1571		}
1572	i2a_ASN1_INTEGER(out,ai);
1573	BIO_puts(out,"\n");
1574	ret=1;
1575	if (retai)
1576		{
1577		*retai = ai;
1578		ai = NULL;
1579		}
1580err:
1581	if (out != NULL) BIO_free_all(out);
1582	if (ai != NULL) ASN1_INTEGER_free(ai);
1583	return(ret);
1584	}
1585
1586int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1587	{
1588	char buf[5][BSIZE];
1589	int i,j;
1590	struct stat sb;
1591
1592	i = strlen(serialfile) + strlen(old_suffix);
1593	j = strlen(serialfile) + strlen(new_suffix);
1594	if (i > j) j = i;
1595	if (j + 1 >= BSIZE)
1596		{
1597		BIO_printf(bio_err,"file name too long\n");
1598		goto err;
1599		}
1600
1601#ifndef OPENSSL_SYS_VMS
1602	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1603		serialfile, new_suffix);
1604#else
1605	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1606		serialfile, new_suffix);
1607#endif
1608#ifndef OPENSSL_SYS_VMS
1609	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1610		serialfile, old_suffix);
1611#else
1612	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1613		serialfile, old_suffix);
1614#endif
1615	if (stat(serialfile,&sb) < 0)
1616		{
1617		if (errno != ENOENT
1618#ifdef ENOTDIR
1619			&& errno != ENOTDIR)
1620#endif
1621			goto err;
1622		}
1623	else
1624		{
1625#ifdef RL_DEBUG
1626		BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1627			serialfile, buf[1]);
1628#endif
1629		if (rename(serialfile,buf[1]) < 0)
1630			{
1631			BIO_printf(bio_err,
1632				"unable to rename %s to %s\n",
1633				serialfile, buf[1]);
1634			perror("reason");
1635			goto err;
1636			}
1637		}
1638#ifdef RL_DEBUG
1639	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1640		buf[0],serialfile);
1641#endif
1642	if (rename(buf[0],serialfile) < 0)
1643		{
1644		BIO_printf(bio_err,
1645			"unable to rename %s to %s\n",
1646			buf[0],serialfile);
1647		perror("reason");
1648		rename(buf[1],serialfile);
1649		goto err;
1650		}
1651	return 1;
1652 err:
1653	return 0;
1654	}
1655
1656CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1657	{
1658	CA_DB *retdb = NULL;
1659	TXT_DB *tmpdb = NULL;
1660	BIO *in = BIO_new(BIO_s_file());
1661	CONF *dbattr_conf = NULL;
1662	char buf[1][BSIZE];
1663	long errorline= -1;
1664
1665	if (in == NULL)
1666		{
1667		ERR_print_errors(bio_err);
1668		goto err;
1669		}
1670	if (BIO_read_filename(in,dbfile) <= 0)
1671		{
1672		perror(dbfile);
1673		BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1674		goto err;
1675		}
1676	if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1677		{
1678		if (tmpdb != NULL) TXT_DB_free(tmpdb);
1679		goto err;
1680		}
1681
1682#ifndef OPENSSL_SYS_VMS
1683	BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1684#else
1685	BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1686#endif
1687	dbattr_conf = NCONF_new(NULL);
1688	if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1689		{
1690		if (errorline > 0)
1691			{
1692			BIO_printf(bio_err,
1693				"error on line %ld of db attribute file '%s'\n"
1694				,errorline,buf[0]);
1695			goto err;
1696			}
1697		else
1698			{
1699			NCONF_free(dbattr_conf);
1700			dbattr_conf = NULL;
1701			}
1702		}
1703
1704	if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1705		{
1706		fprintf(stderr, "Out of memory\n");
1707		goto err;
1708		}
1709
1710	retdb->db = tmpdb;
1711	tmpdb = NULL;
1712	if (db_attr)
1713		retdb->attributes = *db_attr;
1714	else
1715		{
1716		retdb->attributes.unique_subject = 1;
1717		}
1718
1719	if (dbattr_conf)
1720		{
1721		char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1722		if (p)
1723			{
1724			BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1725			switch(*p)
1726				{
1727			case 'f': /* false */
1728			case 'F': /* FALSE */
1729			case 'n': /* no */
1730			case 'N': /* NO */
1731				retdb->attributes.unique_subject = 0;
1732				break;
1733			case 't': /* true */
1734			case 'T': /* TRUE */
1735			case 'y': /* yes */
1736			case 'Y': /* YES */
1737			default:
1738				retdb->attributes.unique_subject = 1;
1739				break;
1740				}
1741			}
1742		}
1743
1744 err:
1745	if (dbattr_conf) NCONF_free(dbattr_conf);
1746	if (tmpdb) TXT_DB_free(tmpdb);
1747	if (in) BIO_free_all(in);
1748	return retdb;
1749	}
1750
1751int index_index(CA_DB *db)
1752	{
1753	if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1754				LHASH_HASH_FN(index_serial_hash),
1755				LHASH_COMP_FN(index_serial_cmp)))
1756		{
1757		BIO_printf(bio_err,
1758		  "error creating serial number index:(%ld,%ld,%ld)\n",
1759		  			db->db->error,db->db->arg1,db->db->arg2);
1760			return 0;
1761		}
1762
1763	if (db->attributes.unique_subject
1764		&& !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1765			LHASH_HASH_FN(index_name_hash),
1766			LHASH_COMP_FN(index_name_cmp)))
1767		{
1768		BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1769			db->db->error,db->db->arg1,db->db->arg2);
1770		return 0;
1771		}
1772	return 1;
1773	}
1774
1775int save_index(char *dbfile, char *suffix, CA_DB *db)
1776	{
1777	char buf[3][BSIZE];
1778	BIO *out = BIO_new(BIO_s_file());
1779	int j;
1780
1781	if (out == NULL)
1782		{
1783		ERR_print_errors(bio_err);
1784		goto err;
1785		}
1786
1787	j = strlen(dbfile) + strlen(suffix);
1788	if (j + 6 >= BSIZE)
1789		{
1790		BIO_printf(bio_err,"file name too long\n");
1791		goto err;
1792		}
1793
1794#ifndef OPENSSL_SYS_VMS
1795	j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1796#else
1797	j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1798#endif
1799#ifndef OPENSSL_SYS_VMS
1800	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1801#else
1802	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1803#endif
1804#ifndef OPENSSL_SYS_VMS
1805	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1806#else
1807	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1808#endif
1809#ifdef RL_DEBUG
1810	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1811#endif
1812	if (BIO_write_filename(out,buf[0]) <= 0)
1813		{
1814		perror(dbfile);
1815		BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1816		goto err;
1817		}
1818	j=TXT_DB_write(out,db->db);
1819	if (j <= 0) goto err;
1820
1821	BIO_free(out);
1822
1823	out = BIO_new(BIO_s_file());
1824#ifdef RL_DEBUG
1825	BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1826#endif
1827	if (BIO_write_filename(out,buf[1]) <= 0)
1828		{
1829		perror(buf[2]);
1830		BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1831		goto err;
1832		}
1833	BIO_printf(out,"unique_subject = %s\n",
1834		db->attributes.unique_subject ? "yes" : "no");
1835	BIO_free(out);
1836
1837	return 1;
1838 err:
1839	return 0;
1840	}
1841
1842int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
1843	{
1844	char buf[5][BSIZE];
1845	int i,j;
1846	struct stat sb;
1847
1848	i = strlen(dbfile) + strlen(old_suffix);
1849	j = strlen(dbfile) + strlen(new_suffix);
1850	if (i > j) j = i;
1851	if (j + 6 >= BSIZE)
1852		{
1853		BIO_printf(bio_err,"file name too long\n");
1854		goto err;
1855		}
1856
1857#ifndef OPENSSL_SYS_VMS
1858	j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1859#else
1860	j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1861#endif
1862#ifndef OPENSSL_SYS_VMS
1863	j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1864		dbfile, new_suffix);
1865#else
1866	j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1867		dbfile, new_suffix);
1868#endif
1869#ifndef OPENSSL_SYS_VMS
1870	j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1871		dbfile, new_suffix);
1872#else
1873	j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1874		dbfile, new_suffix);
1875#endif
1876#ifndef OPENSSL_SYS_VMS
1877	j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1878		dbfile, old_suffix);
1879#else
1880	j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1881		dbfile, old_suffix);
1882#endif
1883#ifndef OPENSSL_SYS_VMS
1884	j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1885		dbfile, old_suffix);
1886#else
1887	j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1888		dbfile, old_suffix);
1889#endif
1890	if (stat(dbfile,&sb) < 0)
1891		{
1892		if (errno != ENOENT
1893#ifdef ENOTDIR
1894			&& errno != ENOTDIR)
1895#endif
1896			goto err;
1897		}
1898	else
1899		{
1900#ifdef RL_DEBUG
1901		BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1902			dbfile, buf[1]);
1903#endif
1904		if (rename(dbfile,buf[1]) < 0)
1905			{
1906			BIO_printf(bio_err,
1907				"unable to rename %s to %s\n",
1908				dbfile, buf[1]);
1909			perror("reason");
1910			goto err;
1911			}
1912		}
1913#ifdef RL_DEBUG
1914	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1915		buf[0],dbfile);
1916#endif
1917	if (rename(buf[0],dbfile) < 0)
1918		{
1919		BIO_printf(bio_err,
1920			"unable to rename %s to %s\n",
1921			buf[0],dbfile);
1922		perror("reason");
1923		rename(buf[1],dbfile);
1924		goto err;
1925		}
1926	if (stat(buf[4],&sb) < 0)
1927		{
1928		if (errno != ENOENT
1929#ifdef ENOTDIR
1930			&& errno != ENOTDIR)
1931#endif
1932			goto err;
1933		}
1934	else
1935		{
1936#ifdef RL_DEBUG
1937		BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1938			buf[4],buf[3]);
1939#endif
1940		if (rename(buf[4],buf[3]) < 0)
1941			{
1942			BIO_printf(bio_err,
1943				"unable to rename %s to %s\n",
1944				buf[4], buf[3]);
1945			perror("reason");
1946			rename(dbfile,buf[0]);
1947			rename(buf[1],dbfile);
1948			goto err;
1949			}
1950		}
1951#ifdef RL_DEBUG
1952	BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1953		buf[2],buf[4]);
1954#endif
1955	if (rename(buf[2],buf[4]) < 0)
1956		{
1957		BIO_printf(bio_err,
1958			"unable to rename %s to %s\n",
1959			buf[2],buf[4]);
1960		perror("reason");
1961		rename(buf[3],buf[4]);
1962		rename(dbfile,buf[0]);
1963		rename(buf[1],dbfile);
1964		goto err;
1965		}
1966	return 1;
1967 err:
1968	return 0;
1969	}
1970
1971void free_index(CA_DB *db)
1972	{
1973	TXT_DB_free(db->db);
1974	OPENSSL_free(db);
1975	}
1976