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1.22 ! jsing 1: /* $OpenBSD: apps.c,v 1.21 2014/12/28 16:33:34 jsing Exp $ */
1.2 jsing 2: /*
3: * Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
1.1 jsing 17: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
18: * All rights reserved.
19: *
20: * This package is an SSL implementation written
21: * by Eric Young (eay@cryptsoft.com).
22: * The implementation was written so as to conform with Netscapes SSL.
23: *
24: * This library is free for commercial and non-commercial use as long as
25: * the following conditions are aheared to. The following conditions
26: * apply to all code found in this distribution, be it the RC4, RSA,
27: * lhash, DES, etc., code; not just the SSL code. The SSL documentation
28: * included with this distribution is covered by the same copyright terms
29: * except that the holder is Tim Hudson (tjh@cryptsoft.com).
30: *
31: * Copyright remains Eric Young's, and as such any Copyright notices in
32: * the code are not to be removed.
33: * If this package is used in a product, Eric Young should be given attribution
34: * as the author of the parts of the library used.
35: * This can be in the form of a textual message at program startup or
36: * in documentation (online or textual) provided with the package.
37: *
38: * Redistribution and use in source and binary forms, with or without
39: * modification, are permitted provided that the following conditions
40: * are met:
41: * 1. Redistributions of source code must retain the copyright
42: * notice, this list of conditions and the following disclaimer.
43: * 2. Redistributions in binary form must reproduce the above copyright
44: * notice, this list of conditions and the following disclaimer in the
45: * documentation and/or other materials provided with the distribution.
46: * 3. All advertising materials mentioning features or use of this software
47: * must display the following acknowledgement:
48: * "This product includes cryptographic software written by
49: * Eric Young (eay@cryptsoft.com)"
50: * The word 'cryptographic' can be left out if the rouines from the library
51: * being used are not cryptographic related :-).
52: * 4. If you include any Windows specific code (or a derivative thereof) from
53: * the apps directory (application code) you must include an acknowledgement:
54: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
55: *
56: * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
57: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
58: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
59: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
60: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
61: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
62: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
63: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
64: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
65: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
66: * SUCH DAMAGE.
67: *
68: * The licence and distribution terms for any publically available version or
69: * derivative of this code cannot be changed. i.e. this code cannot simply be
70: * copied and put under another distribution licence
71: * [including the GNU Public Licence.]
72: */
73: /* ====================================================================
74: * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
75: *
76: * Redistribution and use in source and binary forms, with or without
77: * modification, are permitted provided that the following conditions
78: * are met:
79: *
80: * 1. Redistributions of source code must retain the above copyright
81: * notice, this list of conditions and the following disclaimer.
82: *
83: * 2. Redistributions in binary form must reproduce the above copyright
84: * notice, this list of conditions and the following disclaimer in
85: * the documentation and/or other materials provided with the
86: * distribution.
87: *
88: * 3. All advertising materials mentioning features or use of this
89: * software must display the following acknowledgment:
90: * "This product includes software developed by the OpenSSL Project
91: * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
92: *
93: * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
94: * endorse or promote products derived from this software without
95: * prior written permission. For written permission, please contact
96: * openssl-core@openssl.org.
97: *
98: * 5. Products derived from this software may not be called "OpenSSL"
99: * nor may "OpenSSL" appear in their names without prior written
100: * permission of the OpenSSL Project.
101: *
102: * 6. Redistributions of any form whatsoever must retain the following
103: * acknowledgment:
104: * "This product includes software developed by the OpenSSL Project
105: * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
106: *
107: * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
108: * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
109: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
110: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
111: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
112: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
113: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
114: * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
115: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
116: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
117: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
118: * OF THE POSSIBILITY OF SUCH DAMAGE.
119: * ====================================================================
120: *
121: * This product includes cryptographic software written by Eric Young
122: * (eay@cryptsoft.com). This product includes software written by Tim
123: * Hudson (tjh@cryptsoft.com).
124: *
125: */
126:
127: #include <sys/types.h>
128: #include <sys/stat.h>
129: #include <sys/times.h>
130:
131: #include <ctype.h>
132: #include <errno.h>
133: #include <stdio.h>
134: #include <stdlib.h>
135: #include <limits.h>
136: #include <string.h>
137: #include <strings.h>
138: #include <unistd.h>
139:
140: #include "apps.h"
141:
142: #include <openssl/bn.h>
143: #include <openssl/err.h>
144: #include <openssl/pem.h>
145: #include <openssl/pkcs12.h>
146: #include <openssl/safestack.h>
147: #include <openssl/ui.h>
148: #include <openssl/x509.h>
149: #include <openssl/x509v3.h>
150:
151: #ifndef OPENSSL_NO_ENGINE
152: #include <openssl/engine.h>
153: #endif
154:
155: #include <openssl/rsa.h>
156:
157: typedef struct {
158: const char *name;
159: unsigned long flag;
160: unsigned long mask;
161: } NAME_EX_TBL;
162:
163: static UI_METHOD *ui_method = NULL;
164:
165: static int set_table_opts(unsigned long *flags, const char *arg,
166: const NAME_EX_TBL *in_tbl);
167: static int set_multi_opts(unsigned long *flags, const char *arg,
168: const NAME_EX_TBL *in_tbl);
169:
170: #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
171: /* Looks like this stuff is worth moving into separate function */
172: static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file,
173: const char *key_descrip, int format);
174: #endif
175:
176: int
177: str2fmt(char *s)
178: {
179: if (s == NULL)
180: return FORMAT_UNDEF;
181: if ((*s == 'D') || (*s == 'd'))
182: return (FORMAT_ASN1);
183: else if ((*s == 'T') || (*s == 't'))
184: return (FORMAT_TEXT);
185: else if ((*s == 'N') || (*s == 'n'))
186: return (FORMAT_NETSCAPE);
187: else if ((*s == 'S') || (*s == 's'))
188: return (FORMAT_SMIME);
189: else if ((*s == 'M') || (*s == 'm'))
190: return (FORMAT_MSBLOB);
191: else if ((*s == '1') ||
192: (strcmp(s, "PKCS12") == 0) || (strcmp(s, "pkcs12") == 0) ||
193: (strcmp(s, "P12") == 0) || (strcmp(s, "p12") == 0))
194: return (FORMAT_PKCS12);
195: else if ((*s == 'E') || (*s == 'e'))
196: return (FORMAT_ENGINE);
197: else if ((*s == 'P') || (*s == 'p')) {
198: if (s[1] == 'V' || s[1] == 'v')
199: return FORMAT_PVK;
200: else
201: return (FORMAT_PEM);
202: } else
203: return (FORMAT_UNDEF);
204: }
205:
206: void
207: program_name(char *in, char *out, int size)
208: {
209: char *p;
210:
211: p = strrchr(in, '/');
212: if (p != NULL)
213: p++;
214: else
215: p = in;
216: strlcpy(out, p, size);
217: }
218:
219: int
220: chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
221: {
222: int num, i;
223: char *p;
224:
225: *argc = 0;
226: *argv = NULL;
227:
228: i = 0;
229: if (arg->count == 0) {
230: arg->count = 20;
231: arg->data = reallocarray(NULL, arg->count, sizeof(char *));
232: }
233: for (i = 0; i < arg->count; i++)
234: arg->data[i] = NULL;
235:
236: num = 0;
237: p = buf;
238: for (;;) {
239: /* first scan over white space */
240: if (!*p)
241: break;
242: while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
243: p++;
244: if (!*p)
245: break;
246:
247: /* The start of something good :-) */
248: if (num >= arg->count) {
249: char **tmp_p;
250: int tlen = arg->count + 20;
251: tmp_p = reallocarray(arg->data, tlen, sizeof(char *));
252: if (tmp_p == NULL)
253: return 0;
254: arg->data = tmp_p;
255: arg->count = tlen;
256: /* initialize newly allocated data */
257: for (i = num; i < arg->count; i++)
258: arg->data[i] = NULL;
259: }
260: arg->data[num++] = p;
261:
262: /* now look for the end of this */
263: if ((*p == '\'') || (*p == '\"')) { /* scan for closing
264: * quote */
265: i = *(p++);
266: arg->data[num - 1]++; /* jump over quote */
267: while (*p && (*p != i))
268: p++;
269: *p = '\0';
270: } else {
271: while (*p && ((*p != ' ') &&
272: (*p != '\t') && (*p != '\n')))
273: p++;
274:
275: if (*p == '\0')
276: p--;
277: else
278: *p = '\0';
279: }
280: p++;
281: }
282: *argc = num;
283: *argv = arg->data;
284: return (1);
285: }
286:
287: int
288: dump_cert_text(BIO *out, X509 *x)
289: {
290: char *p;
291:
292: p = X509_NAME_oneline(X509_get_subject_name(x), NULL, 0);
293: BIO_puts(out, "subject=");
294: BIO_puts(out, p);
295: free(p);
296:
297: p = X509_NAME_oneline(X509_get_issuer_name(x), NULL, 0);
298: BIO_puts(out, "\nissuer=");
299: BIO_puts(out, p);
300: BIO_puts(out, "\n");
301: free(p);
302:
303: return 0;
304: }
305:
306: static int
307: ui_open(UI *ui)
308: {
309: return UI_method_get_opener(UI_OpenSSL()) (ui);
310: }
311:
312: static int
313: ui_read(UI *ui, UI_STRING *uis)
314: {
315: if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD &&
316: UI_get0_user_data(ui)) {
317: switch (UI_get_string_type(uis)) {
318: case UIT_PROMPT:
319: case UIT_VERIFY:
320: {
321: const char *password =
322: ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
323: if (password && password[0] != '\0') {
324: UI_set_result(ui, uis, password);
325: return 1;
326: }
327: }
328: break;
329: default:
330: break;
331: }
332: }
333: return UI_method_get_reader(UI_OpenSSL()) (ui, uis);
334: }
335:
336: static int
337: ui_write(UI *ui, UI_STRING *uis)
338: {
339: if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD &&
340: UI_get0_user_data(ui)) {
341: switch (UI_get_string_type(uis)) {
342: case UIT_PROMPT:
343: case UIT_VERIFY:
344: {
345: const char *password =
346: ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
347: if (password && password[0] != '\0')
348: return 1;
349: }
350: break;
351: default:
352: break;
353: }
354: }
355: return UI_method_get_writer(UI_OpenSSL()) (ui, uis);
356: }
357:
358: static int
359: ui_close(UI *ui)
360: {
361: return UI_method_get_closer(UI_OpenSSL()) (ui);
362: }
363:
364: int
365: setup_ui_method(void)
366: {
367: ui_method = UI_create_method("OpenSSL application user interface");
368: UI_method_set_opener(ui_method, ui_open);
369: UI_method_set_reader(ui_method, ui_read);
370: UI_method_set_writer(ui_method, ui_write);
371: UI_method_set_closer(ui_method, ui_close);
372: return 0;
373: }
374:
375: void
376: destroy_ui_method(void)
377: {
378: if (ui_method) {
379: UI_destroy_method(ui_method);
380: ui_method = NULL;
381: }
382: }
383:
384: int
385: password_callback(char *buf, int bufsiz, int verify, void *arg)
386: {
387: PW_CB_DATA *cb_tmp = arg;
388: UI *ui = NULL;
389: int res = 0;
390: const char *prompt_info = NULL;
391: const char *password = NULL;
392: PW_CB_DATA *cb_data = (PW_CB_DATA *) cb_tmp;
393:
394: if (cb_data) {
395: if (cb_data->password)
396: password = cb_data->password;
397: if (cb_data->prompt_info)
398: prompt_info = cb_data->prompt_info;
399: }
400: if (password) {
401: res = strlen(password);
402: if (res > bufsiz)
403: res = bufsiz;
404: memcpy(buf, password, res);
405: return res;
406: }
407: ui = UI_new_method(ui_method);
408: if (ui) {
409: int ok = 0;
410: char *buff = NULL;
411: int ui_flags = 0;
412: char *prompt = NULL;
413:
414: prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
415:
416: ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
417: UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
418:
419: if (ok >= 0)
420: ok = UI_add_input_string(ui, prompt, ui_flags, buf,
421: PW_MIN_LENGTH, bufsiz - 1);
422: if (ok >= 0 && verify) {
423: buff = malloc(bufsiz);
424: ok = UI_add_verify_string(ui, prompt, ui_flags, buff,
425: PW_MIN_LENGTH, bufsiz - 1, buf);
426: }
427: if (ok >= 0)
428: do {
429: ok = UI_process(ui);
430: } while (ok < 0 &&
431: UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
432:
433: if (buff) {
434: OPENSSL_cleanse(buff, (unsigned int) bufsiz);
435: free(buff);
436: }
437: if (ok >= 0)
438: res = strlen(buf);
439: if (ok == -1) {
440: BIO_printf(bio_err, "User interface error\n");
441: ERR_print_errors(bio_err);
442: OPENSSL_cleanse(buf, (unsigned int) bufsiz);
443: res = 0;
444: }
445: if (ok == -2) {
446: BIO_printf(bio_err, "aborted!\n");
447: OPENSSL_cleanse(buf, (unsigned int) bufsiz);
448: res = 0;
449: }
450: UI_free(ui);
451: free(prompt);
452: }
453: return res;
454: }
455:
456: static char *app_get_pass(BIO *err, char *arg, int keepbio);
457:
458: int
459: app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
460: {
461: int same;
462:
463: if (!arg2 || !arg1 || strcmp(arg1, arg2))
464: same = 0;
465: else
466: same = 1;
467: if (arg1) {
468: *pass1 = app_get_pass(err, arg1, same);
469: if (!*pass1)
470: return 0;
471: } else if (pass1)
472: *pass1 = NULL;
473: if (arg2) {
474: *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
475: if (!*pass2)
476: return 0;
477: } else if (pass2)
478: *pass2 = NULL;
479: return 1;
480: }
481:
482: static char *
483: app_get_pass(BIO *err, char *arg, int keepbio)
484: {
485: char *tmp, tpass[APP_PASS_LEN];
486: static BIO *pwdbio = NULL;
487: const char *errstr = NULL;
488: int i;
489:
490: if (!strncmp(arg, "pass:", 5))
491: return strdup(arg + 5);
492: if (!strncmp(arg, "env:", 4)) {
493: tmp = getenv(arg + 4);
494: if (!tmp) {
495: BIO_printf(err, "Can't read environment variable %s\n",
496: arg + 4);
497: return NULL;
498: }
499: return strdup(tmp);
500: }
501: if (!keepbio || !pwdbio) {
502: if (!strncmp(arg, "file:", 5)) {
503: pwdbio = BIO_new_file(arg + 5, "r");
504: if (!pwdbio) {
505: BIO_printf(err, "Can't open file %s\n",
506: arg + 5);
507: return NULL;
508: }
509: } else if (!strncmp(arg, "fd:", 3)) {
510: BIO *btmp;
511: i = strtonum(arg + 3, 0, INT_MAX, &errstr);
512: if (errstr) {
513: BIO_printf(err,
514: "Invalid file descriptor %s: %s\n",
515: arg, errstr);
516: return NULL;
517: }
518: pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
519: if (!pwdbio) {
520: BIO_printf(err,
521: "Can't access file descriptor %s\n",
522: arg + 3);
523: return NULL;
524: }
525: /*
526: * Can't do BIO_gets on an fd BIO so add a buffering
527: * BIO
528: */
529: btmp = BIO_new(BIO_f_buffer());
530: pwdbio = BIO_push(btmp, pwdbio);
531: } else if (!strcmp(arg, "stdin")) {
532: pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
533: if (!pwdbio) {
534: BIO_printf(err, "Can't open BIO for stdin\n");
535: return NULL;
536: }
537: } else {
538: BIO_printf(err, "Invalid password argument \"%s\"\n",
539: arg);
540: return NULL;
541: }
542: }
543: i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
544: if (keepbio != 1) {
545: BIO_free_all(pwdbio);
546: pwdbio = NULL;
547: }
548: if (i <= 0) {
549: BIO_printf(err, "Error reading password from BIO\n");
550: return NULL;
551: }
552: tmp = strchr(tpass, '\n');
553: if (tmp)
554: *tmp = 0;
555: return strdup(tpass);
556: }
557:
558: int
559: add_oid_section(BIO *err, CONF *conf)
560: {
561: char *p;
562: STACK_OF(CONF_VALUE) *sktmp;
563: CONF_VALUE *cnf;
564: int i;
565:
566: if (!(p = NCONF_get_string(conf, NULL, "oid_section"))) {
567: ERR_clear_error();
568: return 1;
569: }
570: if (!(sktmp = NCONF_get_section(conf, p))) {
571: BIO_printf(err, "problem loading oid section %s\n", p);
572: return 0;
573: }
574: for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
575: cnf = sk_CONF_VALUE_value(sktmp, i);
576: if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
577: BIO_printf(err, "problem creating object %s=%s\n",
578: cnf->name, cnf->value);
579: return 0;
580: }
581: }
582: return 1;
583: }
584:
585: static int
586: load_pkcs12(BIO *err, BIO *in, const char *desc, pem_password_cb *pem_cb,
587: void *cb_data, EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
588: {
589: const char *pass;
590: char tpass[PEM_BUFSIZE];
591: int len, ret = 0;
592: PKCS12 *p12;
593:
594: p12 = d2i_PKCS12_bio(in, NULL);
595: if (p12 == NULL) {
596: BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
597: goto die;
598: }
599: /* See if an empty password will do */
600: if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
601: pass = "";
602: else {
603: if (!pem_cb)
604: pem_cb = password_callback;
605: len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
606: if (len < 0) {
607: BIO_printf(err, "Passpharse callback error for %s\n",
608: desc);
609: goto die;
610: }
611: if (len < PEM_BUFSIZE)
612: tpass[len] = 0;
613: if (!PKCS12_verify_mac(p12, tpass, len)) {
614: BIO_printf(err,
615: "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
616: goto die;
617: }
618: pass = tpass;
619: }
620: ret = PKCS12_parse(p12, pass, pkey, cert, ca);
621:
622: die:
623: if (p12)
624: PKCS12_free(p12);
625: return ret;
626: }
627:
628: X509 *
629: load_cert(BIO *err, const char *file, int format, const char *pass, ENGINE *e,
630: const char *cert_descrip)
631: {
632: X509 *x = NULL;
633: BIO *cert;
634:
635: if ((cert = BIO_new(BIO_s_file())) == NULL) {
636: ERR_print_errors(err);
637: goto end;
638: }
639: if (file == NULL) {
640: setvbuf(stdin, NULL, _IONBF, 0);
641: BIO_set_fp(cert, stdin, BIO_NOCLOSE);
642: } else {
643: if (BIO_read_filename(cert, file) <= 0) {
644: BIO_printf(err, "Error opening %s %s\n",
645: cert_descrip, file);
646: ERR_print_errors(err);
647: goto end;
648: }
649: }
650:
651: if (format == FORMAT_ASN1)
652: x = d2i_X509_bio(cert, NULL);
653: else if (format == FORMAT_NETSCAPE) {
654: NETSCAPE_X509 *nx;
655: nx = ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),
656: cert, NULL);
657: if (nx == NULL)
658: goto end;
659:
660: if ((strncmp(NETSCAPE_CERT_HDR, (char *) nx->header->data,
661: nx->header->length) != 0)) {
662: NETSCAPE_X509_free(nx);
663: BIO_printf(err,
664: "Error reading header on certificate\n");
665: goto end;
666: }
667: x = nx->cert;
668: nx->cert = NULL;
669: NETSCAPE_X509_free(nx);
670: } else if (format == FORMAT_PEM)
671: x = PEM_read_bio_X509_AUX(cert, NULL, password_callback, NULL);
672: else if (format == FORMAT_PKCS12) {
673: if (!load_pkcs12(err, cert, cert_descrip, NULL, NULL,
674: NULL, &x, NULL))
675: goto end;
676: } else {
677: BIO_printf(err, "bad input format specified for %s\n",
678: cert_descrip);
679: goto end;
680: }
681:
682: end:
683: if (x == NULL) {
684: BIO_printf(err, "unable to load certificate\n");
685: ERR_print_errors(err);
686: }
687: BIO_free(cert);
688: return (x);
689: }
690:
691: EVP_PKEY *
692: load_key(BIO *err, const char *file, int format, int maybe_stdin,
693: const char *pass, ENGINE *e, const char *key_descrip)
694: {
695: BIO *key = NULL;
696: EVP_PKEY *pkey = NULL;
697: PW_CB_DATA cb_data;
698:
699: cb_data.password = pass;
700: cb_data.prompt_info = file;
701:
702: if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
703: BIO_printf(err, "no keyfile specified\n");
704: goto end;
705: }
706: #ifndef OPENSSL_NO_ENGINE
707: if (format == FORMAT_ENGINE) {
708: if (!e)
709: BIO_printf(err, "no engine specified\n");
710: else {
711: pkey = ENGINE_load_private_key(e, file,
712: ui_method, &cb_data);
713: if (!pkey) {
714: BIO_printf(err, "cannot load %s from engine\n",
715: key_descrip);
716: ERR_print_errors(err);
717: }
718: }
719: goto end;
720: }
721: #endif
722: key = BIO_new(BIO_s_file());
723: if (key == NULL) {
724: ERR_print_errors(err);
725: goto end;
726: }
727: if (file == NULL && maybe_stdin) {
728: setvbuf(stdin, NULL, _IONBF, 0);
729: BIO_set_fp(key, stdin, BIO_NOCLOSE);
730: } else if (BIO_read_filename(key, file) <= 0) {
731: BIO_printf(err, "Error opening %s %s\n",
732: key_descrip, file);
733: ERR_print_errors(err);
734: goto end;
735: }
736: if (format == FORMAT_ASN1) {
737: pkey = d2i_PrivateKey_bio(key, NULL);
738: } else if (format == FORMAT_PEM) {
739: pkey = PEM_read_bio_PrivateKey(key, NULL, password_callback, &cb_data);
740: }
741: #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
742: else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
743: pkey = load_netscape_key(err, key, file, key_descrip, format);
744: #endif
745: else if (format == FORMAT_PKCS12) {
746: if (!load_pkcs12(err, key, key_descrip, password_callback, &cb_data,
747: &pkey, NULL, NULL))
748: goto end;
749: }
750: #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
751: else if (format == FORMAT_MSBLOB)
752: pkey = b2i_PrivateKey_bio(key);
753: else if (format == FORMAT_PVK)
754: pkey = b2i_PVK_bio(key, password_callback,
755: &cb_data);
756: #endif
757: else {
758: BIO_printf(err, "bad input format specified for key file\n");
759: goto end;
760: }
761: end:
762: BIO_free(key);
763: if (pkey == NULL) {
764: BIO_printf(err, "unable to load %s\n", key_descrip);
765: ERR_print_errors(err);
766: }
767: return (pkey);
768: }
769:
770: EVP_PKEY *
771: load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
772: const char *pass, ENGINE *e, const char *key_descrip)
773: {
774: BIO *key = NULL;
775: EVP_PKEY *pkey = NULL;
776: PW_CB_DATA cb_data;
777:
778: cb_data.password = pass;
779: cb_data.prompt_info = file;
780:
781: if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
782: BIO_printf(err, "no keyfile specified\n");
783: goto end;
784: }
785: #ifndef OPENSSL_NO_ENGINE
786: if (format == FORMAT_ENGINE) {
787: if (!e)
788: BIO_printf(bio_err, "no engine specified\n");
789: else
790: pkey = ENGINE_load_public_key(e, file,
791: ui_method, &cb_data);
792: goto end;
793: }
794: #endif
795: key = BIO_new(BIO_s_file());
796: if (key == NULL) {
797: ERR_print_errors(err);
798: goto end;
799: }
800: if (file == NULL && maybe_stdin) {
801: setvbuf(stdin, NULL, _IONBF, 0);
802: BIO_set_fp(key, stdin, BIO_NOCLOSE);
803: } else if (BIO_read_filename(key, file) <= 0) {
804: BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
805: ERR_print_errors(err);
806: goto end;
807: }
808: if (format == FORMAT_ASN1) {
809: pkey = d2i_PUBKEY_bio(key, NULL);
810: }
811: else if (format == FORMAT_ASN1RSA) {
812: RSA *rsa;
813: rsa = d2i_RSAPublicKey_bio(key, NULL);
814: if (rsa) {
815: pkey = EVP_PKEY_new();
816: if (pkey)
817: EVP_PKEY_set1_RSA(pkey, rsa);
818: RSA_free(rsa);
819: } else
820: pkey = NULL;
821: } else if (format == FORMAT_PEMRSA) {
822: RSA *rsa;
823: rsa = PEM_read_bio_RSAPublicKey(key, NULL, password_callback, &cb_data);
824: if (rsa) {
825: pkey = EVP_PKEY_new();
826: if (pkey)
827: EVP_PKEY_set1_RSA(pkey, rsa);
828: RSA_free(rsa);
829: } else
830: pkey = NULL;
831: }
832: else if (format == FORMAT_PEM) {
833: pkey = PEM_read_bio_PUBKEY(key, NULL, password_callback, &cb_data);
834: }
835: #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
836: else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
837: pkey = load_netscape_key(err, key, file, key_descrip, format);
838: #endif
839: #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
840: else if (format == FORMAT_MSBLOB)
841: pkey = b2i_PublicKey_bio(key);
842: #endif
843: else {
844: BIO_printf(err, "bad input format specified for key file\n");
845: goto end;
846: }
847:
848: end:
849: BIO_free(key);
850: if (pkey == NULL)
851: BIO_printf(err, "unable to load %s\n", key_descrip);
852: return (pkey);
853: }
854:
855: #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
856: static EVP_PKEY *
857: load_netscape_key(BIO *err, BIO *key, const char *file,
858: const char *key_descrip, int format)
859: {
860: EVP_PKEY *pkey;
861: BUF_MEM *buf;
862: RSA *rsa;
863: const unsigned char *p;
864: int size, i;
865:
866: buf = BUF_MEM_new();
867: pkey = EVP_PKEY_new();
868: size = 0;
869: if (buf == NULL || pkey == NULL)
870: goto error;
871: for (;;) {
872: if (!BUF_MEM_grow_clean(buf, size + 1024 * 10))
873: goto error;
874: i = BIO_read(key, &(buf->data[size]), 1024 * 10);
875: size += i;
876: if (i == 0)
877: break;
878: if (i < 0) {
879: BIO_printf(err, "Error reading %s %s",
880: key_descrip, file);
881: goto error;
882: }
883: }
884: p = (unsigned char *) buf->data;
885: rsa = d2i_RSA_NET(NULL, &p, (long) size, NULL,
886: (format == FORMAT_IISSGC ? 1 : 0));
887: if (rsa == NULL)
888: goto error;
889: BUF_MEM_free(buf);
890: EVP_PKEY_set1_RSA(pkey, rsa);
891: return pkey;
892:
893: error:
894: BUF_MEM_free(buf);
895: EVP_PKEY_free(pkey);
896: return NULL;
897: }
898: #endif /* ndef OPENSSL_NO_RC4 */
899:
900: static int
901: load_certs_crls(BIO *err, const char *file, int format, const char *pass,
902: ENGINE *e, const char *desc, STACK_OF(X509) **pcerts,
903: STACK_OF(X509_CRL) **pcrls)
904: {
905: int i;
906: BIO *bio;
907: STACK_OF(X509_INFO) *xis = NULL;
908: X509_INFO *xi;
909: PW_CB_DATA cb_data;
910: int rv = 0;
911:
912: cb_data.password = pass;
913: cb_data.prompt_info = file;
914:
915: if (format != FORMAT_PEM) {
916: BIO_printf(err, "bad input format specified for %s\n", desc);
917: return 0;
918: }
919: if (file == NULL)
920: bio = BIO_new_fp(stdin, BIO_NOCLOSE);
921: else
922: bio = BIO_new_file(file, "r");
923:
924: if (bio == NULL) {
925: BIO_printf(err, "Error opening %s %s\n",
926: desc, file ? file : "stdin");
927: ERR_print_errors(err);
928: return 0;
929: }
930: xis = PEM_X509_INFO_read_bio(bio, NULL, password_callback, &cb_data);
931:
932: BIO_free(bio);
933:
934: if (pcerts) {
935: *pcerts = sk_X509_new_null();
936: if (!*pcerts)
937: goto end;
938: }
939: if (pcrls) {
940: *pcrls = sk_X509_CRL_new_null();
941: if (!*pcrls)
942: goto end;
943: }
944: for (i = 0; i < sk_X509_INFO_num(xis); i++) {
945: xi = sk_X509_INFO_value(xis, i);
946: if (xi->x509 && pcerts) {
947: if (!sk_X509_push(*pcerts, xi->x509))
948: goto end;
949: xi->x509 = NULL;
950: }
951: if (xi->crl && pcrls) {
952: if (!sk_X509_CRL_push(*pcrls, xi->crl))
953: goto end;
954: xi->crl = NULL;
955: }
956: }
957:
958: if (pcerts && sk_X509_num(*pcerts) > 0)
959: rv = 1;
960:
961: if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
962: rv = 1;
963:
964: end:
965: if (xis)
966: sk_X509_INFO_pop_free(xis, X509_INFO_free);
967:
968: if (rv == 0) {
969: if (pcerts) {
970: sk_X509_pop_free(*pcerts, X509_free);
971: *pcerts = NULL;
972: }
973: if (pcrls) {
974: sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
975: *pcrls = NULL;
976: }
977: BIO_printf(err, "unable to load %s\n",
978: pcerts ? "certificates" : "CRLs");
979: ERR_print_errors(err);
980: }
981: return rv;
982: }
983:
984: STACK_OF(X509) *
985: load_certs(BIO *err, const char *file, int format, const char *pass,
986: ENGINE *e, const char *desc)
987: {
988: STACK_OF(X509) *certs;
989:
990: if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL))
991: return NULL;
992: return certs;
993: }
994:
995: STACK_OF(X509_CRL) *
996: load_crls(BIO *err, const char *file, int format, const char *pass, ENGINE *e,
997: const char *desc)
998: {
999: STACK_OF(X509_CRL) *crls;
1000:
1001: if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls))
1002: return NULL;
1003: return crls;
1004: }
1005:
1006: #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1007: /* Return error for unknown extensions */
1008: #define X509V3_EXT_DEFAULT 0
1009: /* Print error for unknown extensions */
1010: #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1011: /* ASN1 parse unknown extensions */
1012: #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1013: /* BIO_dump unknown extensions */
1014: #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1015:
1016: #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1017: X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1018:
1019: int
1020: set_cert_ex(unsigned long *flags, const char *arg)
1021: {
1022: static const NAME_EX_TBL cert_tbl[] = {
1023: {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1024: {"ca_default", X509_FLAG_CA, 0xffffffffl},
1025: {"no_header", X509_FLAG_NO_HEADER, 0},
1026: {"no_version", X509_FLAG_NO_VERSION, 0},
1027: {"no_serial", X509_FLAG_NO_SERIAL, 0},
1028: {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1029: {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1030: {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1031: {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1032: {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1033: {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1034: {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1035: {"no_aux", X509_FLAG_NO_AUX, 0},
1036: {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1037: {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1038: {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1039: {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1040: {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1041: {NULL, 0, 0}
1042: };
1043: return set_multi_opts(flags, arg, cert_tbl);
1044: }
1045:
1046: int
1047: set_name_ex(unsigned long *flags, const char *arg)
1048: {
1049: static const NAME_EX_TBL ex_tbl[] = {
1050: {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1051: {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1052: {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1053: {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1054: {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1055: {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1056: {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1057: {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1058: {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1059: {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1060: {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1061: {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1062: {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1063: {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1064: {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1065: {"dn_rev", XN_FLAG_DN_REV, 0},
1066: {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1067: {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1068: {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1069: {"align", XN_FLAG_FN_ALIGN, 0},
1070: {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1071: {"space_eq", XN_FLAG_SPC_EQ, 0},
1072: {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1073: {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1074: {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1075: {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1076: {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1077: {NULL, 0, 0}
1078: };
1079: return set_multi_opts(flags, arg, ex_tbl);
1080: }
1081:
1082: int
1083: set_ext_copy(int *copy_type, const char *arg)
1084: {
1085: if (!strcasecmp(arg, "none"))
1086: *copy_type = EXT_COPY_NONE;
1087: else if (!strcasecmp(arg, "copy"))
1088: *copy_type = EXT_COPY_ADD;
1089: else if (!strcasecmp(arg, "copyall"))
1090: *copy_type = EXT_COPY_ALL;
1091: else
1092: return 0;
1093: return 1;
1094: }
1095:
1096: int
1097: copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1098: {
1099: STACK_OF(X509_EXTENSION) *exts = NULL;
1100: X509_EXTENSION *ext, *tmpext;
1101: ASN1_OBJECT *obj;
1102: int i, idx, ret = 0;
1103:
1104: if (!x || !req || (copy_type == EXT_COPY_NONE))
1105: return 1;
1106: exts = X509_REQ_get_extensions(req);
1107:
1108: for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1109: ext = sk_X509_EXTENSION_value(exts, i);
1110: obj = X509_EXTENSION_get_object(ext);
1111: idx = X509_get_ext_by_OBJ(x, obj, -1);
1112: /* Does extension exist? */
1113: if (idx != -1) {
1114: /* If normal copy don't override existing extension */
1115: if (copy_type == EXT_COPY_ADD)
1116: continue;
1117: /* Delete all extensions of same type */
1118: do {
1119: tmpext = X509_get_ext(x, idx);
1120: X509_delete_ext(x, idx);
1121: X509_EXTENSION_free(tmpext);
1122: idx = X509_get_ext_by_OBJ(x, obj, -1);
1123: } while (idx != -1);
1124: }
1125: if (!X509_add_ext(x, ext, -1))
1126: goto end;
1127: }
1128:
1129: ret = 1;
1130:
1131: end:
1132: sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1133:
1134: return ret;
1135: }
1136:
1137: static int
1138: set_multi_opts(unsigned long *flags, const char *arg,
1139: const NAME_EX_TBL *in_tbl)
1140: {
1141: STACK_OF(CONF_VALUE) *vals;
1142: CONF_VALUE *val;
1143: int i, ret = 1;
1144:
1145: if (!arg)
1146: return 0;
1147: vals = X509V3_parse_list(arg);
1148: for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1149: val = sk_CONF_VALUE_value(vals, i);
1150: if (!set_table_opts(flags, val->name, in_tbl))
1151: ret = 0;
1152: }
1153: sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1154: return ret;
1155: }
1156:
1157: static int
1158: set_table_opts(unsigned long *flags, const char *arg,
1159: const NAME_EX_TBL *in_tbl)
1160: {
1161: char c;
1162: const NAME_EX_TBL *ptbl;
1163:
1164: c = arg[0];
1165: if (c == '-') {
1166: c = 0;
1167: arg++;
1168: } else if (c == '+') {
1169: c = 1;
1170: arg++;
1171: } else
1172: c = 1;
1173:
1174: for (ptbl = in_tbl; ptbl->name; ptbl++) {
1175: if (!strcasecmp(arg, ptbl->name)) {
1176: *flags &= ~ptbl->mask;
1177: if (c)
1178: *flags |= ptbl->flag;
1179: else
1180: *flags &= ~ptbl->flag;
1181: return 1;
1182: }
1183: }
1184: return 0;
1185: }
1186:
1187: void
1188: print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1189: {
1190: char *buf;
1191: char mline = 0;
1192: int indent = 0;
1193:
1194: if (title)
1195: BIO_puts(out, title);
1196: if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1197: mline = 1;
1198: indent = 4;
1199: }
1200: if (lflags == XN_FLAG_COMPAT) {
1201: buf = X509_NAME_oneline(nm, 0, 0);
1202: BIO_puts(out, buf);
1203: BIO_puts(out, "\n");
1204: free(buf);
1205: } else {
1206: if (mline)
1207: BIO_puts(out, "\n");
1208: X509_NAME_print_ex(out, nm, indent, lflags);
1209: BIO_puts(out, "\n");
1210: }
1211: }
1212:
1213: X509_STORE *
1214: setup_verify(BIO *bp, char *CAfile, char *CApath)
1215: {
1216: X509_STORE *store;
1217: X509_LOOKUP *lookup;
1218:
1219: if (!(store = X509_STORE_new()))
1220: goto end;
1221: lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1222: if (lookup == NULL)
1223: goto end;
1224: if (CAfile) {
1225: if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1226: BIO_printf(bp, "Error loading file %s\n", CAfile);
1227: goto end;
1228: }
1229: } else
1230: X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1231:
1232: lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1233: if (lookup == NULL)
1234: goto end;
1235: if (CApath) {
1236: if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1237: BIO_printf(bp, "Error loading directory %s\n", CApath);
1238: goto end;
1239: }
1240: } else
1241: X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1242:
1243: ERR_clear_error();
1244: return store;
1245:
1246: end:
1247: X509_STORE_free(store);
1248: return NULL;
1249: }
1250:
1251: #ifndef OPENSSL_NO_ENGINE
1252: /* Try to load an engine in a shareable library */
1253: static ENGINE *
1254: try_load_engine(BIO *err, const char *engine, int debug)
1255: {
1256: ENGINE *e = ENGINE_by_id("dynamic");
1257:
1258: if (e) {
1259: if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0) ||
1260: !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
1261: ENGINE_free(e);
1262: e = NULL;
1263: }
1264: }
1265: return e;
1266: }
1267:
1268: ENGINE *
1269: setup_engine(BIO *err, const char *engine, int debug)
1270: {
1271: ENGINE *e = NULL;
1272:
1273: if (engine) {
1274: if (strcmp(engine, "auto") == 0) {
1275: BIO_printf(err, "enabling auto ENGINE support\n");
1276: ENGINE_register_all_complete();
1277: return NULL;
1278: }
1279: if ((e = ENGINE_by_id(engine)) == NULL &&
1280: (e = try_load_engine(err, engine, debug)) == NULL) {
1281: BIO_printf(err, "invalid engine \"%s\"\n", engine);
1282: ERR_print_errors(err);
1283: return NULL;
1284: }
1285: if (debug) {
1286: ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1287: 0, err, 0);
1288: }
1289: ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1290: if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1291: BIO_printf(err, "can't use that engine\n");
1292: ERR_print_errors(err);
1293: ENGINE_free(e);
1294: return NULL;
1295: }
1296: BIO_printf(err, "engine \"%s\" set.\n", ENGINE_get_id(e));
1297:
1298: /* Free our "structural" reference. */
1299: ENGINE_free(e);
1300: }
1301: return e;
1302: }
1303: #endif
1304:
1305: int
1306: load_config(BIO *err, CONF *cnf)
1307: {
1308: static int load_config_called = 0;
1309:
1310: if (load_config_called)
1311: return 1;
1312: load_config_called = 1;
1313: if (cnf == NULL)
1314: cnf = config;
1315: if (cnf == NULL)
1316: return 1;
1317:
1318: OPENSSL_load_builtin_modules();
1319:
1320: if (CONF_modules_load(cnf, NULL, 0) <= 0) {
1321: BIO_printf(err, "Error configuring OpenSSL\n");
1322: ERR_print_errors(err);
1323: return 0;
1324: }
1325: return 1;
1326: }
1327:
1328: char *
1329: make_config_name()
1330: {
1331: const char *t = X509_get_default_cert_area();
1332: char *p;
1333:
1334: if (asprintf(&p, "%s/openssl.cnf", t) == -1)
1335: return NULL;
1336: return p;
1337: }
1338:
1339: static unsigned long
1340: index_serial_hash(const OPENSSL_CSTRING *a)
1341: {
1342: const char *n;
1343:
1344: n = a[DB_serial];
1345: while (*n == '0')
1346: n++;
1347: return (lh_strhash(n));
1348: }
1349:
1350: static int
1351: index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1352: {
1353: const char *aa, *bb;
1354:
1355: for (aa = a[DB_serial]; *aa == '0'; aa++)
1356: ;
1357: for (bb = b[DB_serial]; *bb == '0'; bb++)
1358: ;
1359: return (strcmp(aa, bb));
1360: }
1361:
1362: static int
1363: index_name_qual(char **a)
1364: {
1365: return (a[0][0] == 'V');
1366: }
1367:
1368: static unsigned long
1369: index_name_hash(const OPENSSL_CSTRING *a)
1370: {
1371: return (lh_strhash(a[DB_name]));
1372: }
1373:
1374: int
1375: index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1376: {
1377: return (strcmp(a[DB_name], b[DB_name]));
1378: }
1379:
1380: static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1381: static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1382: static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1383: static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1384:
1385: #define BSIZE 256
1386:
1387: BIGNUM *
1388: load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1389: {
1390: BIO *in = NULL;
1391: BIGNUM *ret = NULL;
1392: char buf[1024];
1393: ASN1_INTEGER *ai = NULL;
1394:
1395: ai = ASN1_INTEGER_new();
1396: if (ai == NULL)
1397: goto err;
1398:
1399: if ((in = BIO_new(BIO_s_file())) == NULL) {
1400: ERR_print_errors(bio_err);
1401: goto err;
1402: }
1403: if (BIO_read_filename(in, serialfile) <= 0) {
1404: if (!create) {
1405: perror(serialfile);
1406: goto err;
1407: } else {
1408: ret = BN_new();
1409: if (ret == NULL || !rand_serial(ret, ai))
1410: BIO_printf(bio_err, "Out of memory\n");
1411: }
1412: } else {
1413: if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1414: BIO_printf(bio_err, "unable to load number from %s\n",
1415: serialfile);
1416: goto err;
1417: }
1418: ret = ASN1_INTEGER_to_BN(ai, NULL);
1419: if (ret == NULL) {
1420: BIO_printf(bio_err,
1421: "error converting number from bin to BIGNUM\n");
1422: goto err;
1423: }
1424: }
1425:
1426: if (ret && retai) {
1427: *retai = ai;
1428: ai = NULL;
1429: }
1430:
1431: err:
1432: if (in != NULL)
1433: BIO_free(in);
1434: if (ai != NULL)
1435: ASN1_INTEGER_free(ai);
1436: return (ret);
1437: }
1438:
1439: int
1440: save_serial(char *serialfile, char *suffix, BIGNUM *serial,
1441: ASN1_INTEGER **retai)
1442: {
1443: char buf[1][BSIZE];
1444: BIO *out = NULL;
1445: int ret = 0, n;
1446: ASN1_INTEGER *ai = NULL;
1447: int j;
1448:
1449: if (suffix == NULL)
1450: j = strlen(serialfile);
1451: else
1452: j = strlen(serialfile) + strlen(suffix) + 1;
1453: if (j >= BSIZE) {
1454: BIO_printf(bio_err, "file name too long\n");
1455: goto err;
1456: }
1457: if (suffix == NULL)
1458: n = strlcpy(buf[0], serialfile, BSIZE);
1459: else
1460: n = snprintf(buf[0], sizeof buf[0], "%s.%s",
1461: serialfile, suffix);
1462: if (n == -1 || n >= sizeof(buf[0])) {
1463: BIO_printf(bio_err, "serial too long\n");
1464: goto err;
1465: }
1466: out = BIO_new(BIO_s_file());
1467: if (out == NULL) {
1468: ERR_print_errors(bio_err);
1469: goto err;
1470: }
1471: if (BIO_write_filename(out, buf[0]) <= 0) {
1472: perror(serialfile);
1473: goto err;
1474: }
1475: if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1476: BIO_printf(bio_err,
1477: "error converting serial to ASN.1 format\n");
1478: goto err;
1479: }
1480: i2a_ASN1_INTEGER(out, ai);
1481: BIO_puts(out, "\n");
1482: ret = 1;
1483: if (retai) {
1484: *retai = ai;
1485: ai = NULL;
1486: }
1487:
1488: err:
1489: if (out != NULL)
1490: BIO_free_all(out);
1491: if (ai != NULL)
1492: ASN1_INTEGER_free(ai);
1493: return (ret);
1494: }
1495:
1496: int
1497: rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1498: {
1499: char buf[5][BSIZE];
1500: int i, j;
1501:
1502: i = strlen(serialfile) + strlen(old_suffix);
1503: j = strlen(serialfile) + strlen(new_suffix);
1504: if (i > j)
1505: j = i;
1506: if (j + 1 >= BSIZE) {
1507: BIO_printf(bio_err, "file name too long\n");
1508: goto err;
1509: }
1510: snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, new_suffix);
1511: snprintf(buf[1], sizeof buf[1], "%s.%s", serialfile, old_suffix);
1512:
1513:
1514: if (rename(serialfile, buf[1]) < 0 &&
1515: errno != ENOENT && errno != ENOTDIR) {
1516: BIO_printf(bio_err, "unable to rename %s to %s\n",
1517: serialfile, buf[1]);
1518: perror("reason");
1519: goto err;
1520: }
1521:
1522:
1523: if (rename(buf[0], serialfile) < 0) {
1524: BIO_printf(bio_err, "unable to rename %s to %s\n",
1525: buf[0], serialfile);
1526: perror("reason");
1527: rename(buf[1], serialfile);
1528: goto err;
1529: }
1530: return 1;
1531:
1532: err:
1533: return 0;
1534: }
1535:
1536: int
1537: rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1538: {
1539: BIGNUM *btmp;
1540: int ret = 0;
1541:
1542: if (b)
1543: btmp = b;
1544: else
1545: btmp = BN_new();
1546:
1547: if (!btmp)
1548: return 0;
1549:
1550: if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1551: goto error;
1552: if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1553: goto error;
1554:
1555: ret = 1;
1556:
1557: error:
1558: if (!b)
1559: BN_free(btmp);
1560:
1561: return ret;
1562: }
1563:
1564: CA_DB *
1565: load_index(char *dbfile, DB_ATTR *db_attr)
1566: {
1567: CA_DB *retdb = NULL;
1568: TXT_DB *tmpdb = NULL;
1569: BIO *in = BIO_new(BIO_s_file());
1570: CONF *dbattr_conf = NULL;
1571: char buf[1][BSIZE];
1572: long errorline = -1;
1573:
1574: if (in == NULL) {
1575: ERR_print_errors(bio_err);
1576: goto err;
1577: }
1578: if (BIO_read_filename(in, dbfile) <= 0) {
1579: perror(dbfile);
1580: BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1581: goto err;
1582: }
1583: if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1584: goto err;
1585:
1586: snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1587: dbattr_conf = NCONF_new(NULL);
1588: if (NCONF_load(dbattr_conf, buf[0], &errorline) <= 0) {
1589: if (errorline > 0) {
1590: BIO_printf(bio_err,
1591: "error on line %ld of db attribute file '%s'\n",
1592: errorline, buf[0]);
1593: goto err;
1594: } else {
1595: NCONF_free(dbattr_conf);
1596: dbattr_conf = NULL;
1597: }
1598: }
1599: if ((retdb = malloc(sizeof(CA_DB))) == NULL) {
1600: fprintf(stderr, "Out of memory\n");
1601: goto err;
1602: }
1603: retdb->db = tmpdb;
1604: tmpdb = NULL;
1605: if (db_attr)
1606: retdb->attributes = *db_attr;
1607: else {
1608: retdb->attributes.unique_subject = 1;
1609: }
1610:
1611: if (dbattr_conf) {
1612: char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1613: if (p) {
1614: retdb->attributes.unique_subject = parse_yesno(p, 1);
1615: }
1616: }
1617:
1618: err:
1619: if (dbattr_conf)
1620: NCONF_free(dbattr_conf);
1621: if (tmpdb)
1622: TXT_DB_free(tmpdb);
1623: if (in)
1624: BIO_free_all(in);
1625: return retdb;
1626: }
1627:
1628: int
1629: index_index(CA_DB *db)
1630: {
1631: if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1632: LHASH_HASH_FN(index_serial), LHASH_COMP_FN(index_serial))) {
1633: BIO_printf(bio_err,
1634: "error creating serial number index:(%ld,%ld,%ld)\n",
1635: db->db->error, db->db->arg1, db->db->arg2);
1636: return 0;
1637: }
1638: if (db->attributes.unique_subject &&
1639: !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1640: LHASH_HASH_FN(index_name), LHASH_COMP_FN(index_name))) {
1641: BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
1642: db->db->error, db->db->arg1, db->db->arg2);
1643: return 0;
1644: }
1645: return 1;
1646: }
1647:
1648: int
1649: save_index(const char *dbfile, const char *suffix, CA_DB *db)
1650: {
1651: char buf[3][BSIZE];
1652: BIO *out = BIO_new(BIO_s_file());
1653: int j;
1654:
1655: if (out == NULL) {
1656: ERR_print_errors(bio_err);
1657: goto err;
1658: }
1659: j = strlen(dbfile) + strlen(suffix);
1660: if (j + 6 >= BSIZE) {
1661: BIO_printf(bio_err, "file name too long\n");
1662: goto err;
1663: }
1664: snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1665: snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1666: snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1667:
1668:
1669: if (BIO_write_filename(out, buf[0]) <= 0) {
1670: perror(dbfile);
1671: BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1672: goto err;
1673: }
1674: j = TXT_DB_write(out, db->db);
1675: if (j <= 0)
1676: goto err;
1677:
1678: BIO_free(out);
1679:
1680: out = BIO_new(BIO_s_file());
1681:
1682:
1683: if (BIO_write_filename(out, buf[1]) <= 0) {
1684: perror(buf[2]);
1685: BIO_printf(bio_err, "unable to open '%s'\n", buf[2]);
1686: goto err;
1687: }
1688: BIO_printf(out, "unique_subject = %s\n",
1689: db->attributes.unique_subject ? "yes" : "no");
1690: BIO_free(out);
1691:
1692: return 1;
1693:
1694: err:
1695: return 0;
1696: }
1697:
1698: int
1699: rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1700: {
1701: char buf[5][BSIZE];
1702: int i, j;
1703:
1704: i = strlen(dbfile) + strlen(old_suffix);
1705: j = strlen(dbfile) + strlen(new_suffix);
1706: if (i > j)
1707: j = i;
1708: if (j + 6 >= BSIZE) {
1709: BIO_printf(bio_err, "file name too long\n");
1710: goto err;
1711: }
1712: snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1713: snprintf(buf[2], sizeof buf[2], "%s.attr.%s", dbfile, new_suffix);
1714: snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, new_suffix);
1715: snprintf(buf[1], sizeof buf[1], "%s.%s", dbfile, old_suffix);
1716: snprintf(buf[3], sizeof buf[3], "%s.attr.%s", dbfile, old_suffix);
1717:
1718:
1719: if (rename(dbfile, buf[1]) < 0 && errno != ENOENT && errno != ENOTDIR) {
1720: BIO_printf(bio_err, "unable to rename %s to %s\n",
1721: dbfile, buf[1]);
1722: perror("reason");
1723: goto err;
1724: }
1725:
1726:
1727: if (rename(buf[0], dbfile) < 0) {
1728: BIO_printf(bio_err, "unable to rename %s to %s\n",
1729: buf[0], dbfile);
1730: perror("reason");
1731: rename(buf[1], dbfile);
1732: goto err;
1733: }
1734:
1735:
1736: if (rename(buf[4], buf[3]) < 0 && errno != ENOENT && errno != ENOTDIR) {
1737: BIO_printf(bio_err, "unable to rename %s to %s\n",
1738: buf[4], buf[3]);
1739: perror("reason");
1740: rename(dbfile, buf[0]);
1741: rename(buf[1], dbfile);
1742: goto err;
1743: }
1744:
1745:
1746: if (rename(buf[2], buf[4]) < 0) {
1747: BIO_printf(bio_err, "unable to rename %s to %s\n",
1748: buf[2], buf[4]);
1749: perror("reason");
1750: rename(buf[3], buf[4]);
1751: rename(dbfile, buf[0]);
1752: rename(buf[1], dbfile);
1753: goto err;
1754: }
1755: return 1;
1756:
1757: err:
1758: return 0;
1759: }
1760:
1761: void
1762: free_index(CA_DB *db)
1763: {
1764: if (db) {
1765: if (db->db)
1766: TXT_DB_free(db->db);
1767: free(db);
1768: }
1769: }
1770:
1771: int
1772: parse_yesno(const char *str, int def)
1773: {
1774: int ret = def;
1775:
1776: if (str) {
1777: switch (*str) {
1778: case 'f': /* false */
1779: case 'F': /* FALSE */
1780: case 'n': /* no */
1781: case 'N': /* NO */
1782: case '0': /* 0 */
1783: ret = 0;
1784: break;
1785: case 't': /* true */
1786: case 'T': /* TRUE */
1787: case 'y': /* yes */
1788: case 'Y': /* YES */
1789: case '1': /* 1 */
1790: ret = 1;
1791: break;
1792: default:
1793: ret = def;
1794: break;
1795: }
1796: }
1797: return ret;
1798: }
1799:
1800: /*
1801: * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1802: * where characters may be escaped by \
1803: */
1804: X509_NAME *
1805: parse_name(char *subject, long chtype, int multirdn)
1806: {
1807: X509_NAME *name = NULL;
1808: size_t buflen, max_ne;
1809: char **ne_types, **ne_values;
1810: char *buf, *bp, *sp;
1811: int i, nid, ne_num = 0;
1812: int *mval;
1813:
1814: /*
1815: * Buffer to copy the types and values into. Due to escaping the
1816: * copy can only become shorter.
1817: */
1818: buflen = strlen(subject) + 1;
1819: buf = malloc(buflen);
1820:
1821: /* Maximum number of name elements. */
1822: max_ne = buflen / 2 + 1;
1823: ne_types = reallocarray(NULL, max_ne, sizeof(char *));
1824: ne_values = reallocarray(NULL, max_ne, sizeof(char *));
1825: mval = reallocarray(NULL, max_ne, sizeof(int));
1826:
1827: if (buf == NULL || ne_types == NULL || ne_values == NULL ||
1828: mval == NULL) {
1829: BIO_printf(bio_err, "malloc error\n");
1830: goto error;
1831: }
1832:
1833: bp = buf;
1834: sp = subject;
1835:
1836: if (*subject != '/') {
1837: BIO_printf(bio_err, "Subject does not start with '/'.\n");
1838: goto error;
1839: }
1840:
1841: /* Skip leading '/'. */
1842: sp++;
1843:
1844: /* No multivalued RDN by default. */
1845: mval[ne_num] = 0;
1846:
1847: while (*sp) {
1848: /* Collect type. */
1849: ne_types[ne_num] = bp;
1850: while (*sp) {
1851: /* is there anything to escape in the type...? */
1852: if (*sp == '\\') {
1853: if (*++sp)
1854: *bp++ = *sp++;
1855: else {
1856: BIO_printf(bio_err, "escape character "
1857: "at end of string\n");
1858: goto error;
1859: }
1860: } else if (*sp == '=') {
1861: sp++;
1862: *bp++ = '\0';
1863: break;
1864: } else
1865: *bp++ = *sp++;
1866: }
1867: if (!*sp) {
1868: BIO_printf(bio_err, "end of string encountered while "
1869: "processing type of subject name element #%d\n",
1870: ne_num);
1871: goto error;
1872: }
1873: ne_values[ne_num] = bp;
1874: while (*sp) {
1875: if (*sp == '\\') {
1876: if (*++sp)
1877: *bp++ = *sp++;
1878: else {
1879: BIO_printf(bio_err, "escape character "
1880: "at end of string\n");
1881: goto error;
1882: }
1883: } else if (*sp == '/') {
1884: sp++;
1885: /* no multivalued RDN by default */
1886: mval[ne_num + 1] = 0;
1887: break;
1888: } else if (*sp == '+' && multirdn) {
1889: /* a not escaped + signals a mutlivalued RDN */
1890: sp++;
1891: mval[ne_num + 1] = -1;
1892: break;
1893: } else
1894: *bp++ = *sp++;
1895: }
1896: *bp++ = '\0';
1897: ne_num++;
1898: }
1899:
1900: if ((name = X509_NAME_new()) == NULL)
1901: goto error;
1902:
1903: for (i = 0; i < ne_num; i++) {
1904: if ((nid = OBJ_txt2nid(ne_types[i])) == NID_undef) {
1905: BIO_printf(bio_err,
1906: "Subject Attribute %s has no known NID, skipped\n",
1907: ne_types[i]);
1908: continue;
1909: }
1910: if (!*ne_values[i]) {
1911: BIO_printf(bio_err, "No value provided for Subject "
1912: "Attribute %s, skipped\n", ne_types[i]);
1913: continue;
1914: }
1915: if (!X509_NAME_add_entry_by_NID(name, nid, chtype,
1916: (unsigned char *) ne_values[i], -1, -1, mval[i]))
1917: goto error;
1918: }
1919: goto done;
1920:
1921: error:
1922: X509_NAME_free(name);
1923: name = NULL;
1924:
1925: done:
1926: free(ne_values);
1927: free(ne_types);
1928: free(mval);
1929: free(buf);
1930:
1931: return name;
1932: }
1933:
1934: int
1935: args_verify(char ***pargs, int *pargc, int *badarg, BIO *err,
1936: X509_VERIFY_PARAM **pm)
1937: {
1938: ASN1_OBJECT *otmp = NULL;
1939: unsigned long flags = 0;
1940: int i;
1941: int purpose = 0, depth = -1;
1942: char **oldargs = *pargs;
1943: char *arg = **pargs, *argn = (*pargs)[1];
1944: time_t at_time = 0;
1945: const char *errstr = NULL;
1946:
1947: if (!strcmp(arg, "-policy")) {
1948: if (!argn)
1949: *badarg = 1;
1950: else {
1951: otmp = OBJ_txt2obj(argn, 0);
1952: if (!otmp) {
1953: BIO_printf(err, "Invalid Policy \"%s\"\n",
1954: argn);
1955: *badarg = 1;
1956: }
1957: }
1958: (*pargs)++;
1959: } else if (strcmp(arg, "-purpose") == 0) {
1960: X509_PURPOSE *xptmp;
1961: if (!argn)
1962: *badarg = 1;
1963: else {
1964: i = X509_PURPOSE_get_by_sname(argn);
1965: if (i < 0) {
1966: BIO_printf(err, "unrecognized purpose\n");
1967: *badarg = 1;
1968: } else {
1969: xptmp = X509_PURPOSE_get0(i);
1970: purpose = X509_PURPOSE_get_id(xptmp);
1971: }
1972: }
1973: (*pargs)++;
1974: } else if (strcmp(arg, "-verify_depth") == 0) {
1975: if (!argn)
1976: *badarg = 1;
1977: else {
1978: depth = strtonum(argn, 1, INT_MAX, &errstr);
1979: if (errstr) {
1980: BIO_printf(err, "invalid depth %s: %s\n",
1981: argn, errstr);
1982: *badarg = 1;
1983: }
1984: }
1985: (*pargs)++;
1986: } else if (strcmp(arg, "-attime") == 0) {
1987: if (!argn)
1988: *badarg = 1;
1989: else {
1990: long long timestamp;
1991: /*
1992: * interpret the -attime argument as seconds since
1993: * Epoch
1994: */
1995: if (sscanf(argn, "%lli", ×tamp) != 1) {
1996: BIO_printf(bio_err,
1997: "Error parsing timestamp %s\n",
1998: argn);
1999: *badarg = 1;
2000: }
2001: /* XXX 2038 truncation */
2002: at_time = (time_t) timestamp;
2003: }
2004: (*pargs)++;
2005: } else if (!strcmp(arg, "-ignore_critical"))
2006: flags |= X509_V_FLAG_IGNORE_CRITICAL;
2007: else if (!strcmp(arg, "-issuer_checks"))
2008: flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2009: else if (!strcmp(arg, "-crl_check"))
2010: flags |= X509_V_FLAG_CRL_CHECK;
2011: else if (!strcmp(arg, "-crl_check_all"))
2012: flags |= X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL;
2013: else if (!strcmp(arg, "-policy_check"))
2014: flags |= X509_V_FLAG_POLICY_CHECK;
2015: else if (!strcmp(arg, "-explicit_policy"))
2016: flags |= X509_V_FLAG_EXPLICIT_POLICY;
2017: else if (!strcmp(arg, "-inhibit_any"))
2018: flags |= X509_V_FLAG_INHIBIT_ANY;
2019: else if (!strcmp(arg, "-inhibit_map"))
2020: flags |= X509_V_FLAG_INHIBIT_MAP;
2021: else if (!strcmp(arg, "-x509_strict"))
2022: flags |= X509_V_FLAG_X509_STRICT;
2023: else if (!strcmp(arg, "-extended_crl"))
2024: flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2025: else if (!strcmp(arg, "-use_deltas"))
2026: flags |= X509_V_FLAG_USE_DELTAS;
2027: else if (!strcmp(arg, "-policy_print"))
2028: flags |= X509_V_FLAG_NOTIFY_POLICY;
2029: else if (!strcmp(arg, "-check_ss_sig"))
2030: flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2031: else
2032: return 0;
2033:
2034: if (*badarg) {
2035: if (*pm)
2036: X509_VERIFY_PARAM_free(*pm);
2037: *pm = NULL;
2038: goto end;
2039: }
2040: if (!*pm && !(*pm = X509_VERIFY_PARAM_new())) {
2041: *badarg = 1;
2042: goto end;
2043: }
2044: if (otmp)
2045: X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2046: if (flags)
2047: X509_VERIFY_PARAM_set_flags(*pm, flags);
2048:
2049: if (purpose)
2050: X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2051:
2052: if (depth >= 0)
2053: X509_VERIFY_PARAM_set_depth(*pm, depth);
2054:
2055: if (at_time)
2056: X509_VERIFY_PARAM_set_time(*pm, at_time);
2057:
2058: end:
2059: (*pargs)++;
2060:
2061: if (pargc)
2062: *pargc -= *pargs - oldargs;
2063:
2064: return 1;
2065: }
2066:
2067: /* Read whole contents of a BIO into an allocated memory buffer and
2068: * return it.
2069: */
2070:
2071: int
2072: bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2073: {
2074: BIO *mem;
2075: int len, ret;
2076: unsigned char tbuf[1024];
2077:
2078: mem = BIO_new(BIO_s_mem());
2079: if (!mem)
2080: return -1;
2081: for (;;) {
2082: if ((maxlen != -1) && maxlen < 1024)
2083: len = maxlen;
2084: else
2085: len = 1024;
2086: len = BIO_read(in, tbuf, len);
2087: if (len <= 0)
2088: break;
2089: if (BIO_write(mem, tbuf, len) != len) {
2090: BIO_free(mem);
2091: return -1;
2092: }
2093: maxlen -= len;
2094:
2095: if (maxlen == 0)
2096: break;
2097: }
2098: ret = BIO_get_mem_data(mem, (char **) out);
2099: BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2100: BIO_free(mem);
2101: return ret;
2102: }
2103:
2104: int
2105: pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2106: {
2107: int rv;
2108: char *stmp, *vtmp = NULL;
2109:
1.11 jsing 2110: if (value == NULL)
2111: return -1;
2112: stmp = strdup(value);
1.1 jsing 2113: if (!stmp)
2114: return -1;
2115: vtmp = strchr(stmp, ':');
2116: if (vtmp) {
2117: *vtmp = 0;
2118: vtmp++;
2119: }
2120: rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2121: free(stmp);
2122:
2123: return rv;
2124: }
2125:
2126: static void
2127: nodes_print(BIO *out, const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2128: {
2129: X509_POLICY_NODE *node;
2130: int i;
2131:
2132: BIO_printf(out, "%s Policies:", name);
2133: if (nodes) {
2134: BIO_puts(out, "\n");
2135: for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2136: node = sk_X509_POLICY_NODE_value(nodes, i);
2137: X509_POLICY_NODE_print(out, node, 2);
2138: }
2139: } else
2140: BIO_puts(out, " <empty>\n");
2141: }
2142:
2143: void
2144: policies_print(BIO *out, X509_STORE_CTX *ctx)
2145: {
2146: X509_POLICY_TREE *tree;
2147: int explicit_policy;
2148: int free_out = 0;
2149:
2150: if (out == NULL) {
2151: out = BIO_new_fp(stderr, BIO_NOCLOSE);
2152: free_out = 1;
2153: }
2154: tree = X509_STORE_CTX_get0_policy_tree(ctx);
2155: explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2156:
2157: BIO_printf(out, "Require explicit Policy: %s\n",
2158: explicit_policy ? "True" : "False");
2159:
2160: nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2161: nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2162: if (free_out)
2163: BIO_free(out);
2164: }
2165:
2166: /* next_protos_parse parses a comma separated list of strings into a string
2167: * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2168: * outlen: (output) set to the length of the resulting buffer on success.
2169: * err: (maybe NULL) on failure, an error message line is written to this BIO.
2170: * in: a NUL termianted string like "abc,def,ghi"
2171: *
2172: * returns: a malloced buffer or NULL on failure.
2173: */
2174: unsigned char *
2175: next_protos_parse(unsigned short *outlen, const char *in)
2176: {
2177: size_t len;
2178: unsigned char *out;
2179: size_t i, start = 0;
2180:
2181: len = strlen(in);
2182: if (len >= 65535)
2183: return NULL;
2184:
2185: out = malloc(strlen(in) + 1);
2186: if (!out)
2187: return NULL;
2188:
2189: for (i = 0; i <= len; ++i) {
2190: if (i == len || in[i] == ',') {
2191: if (i - start > 255) {
2192: free(out);
2193: return NULL;
2194: }
2195: out[start] = i - start;
2196: start = i + 1;
2197: } else
2198: out[i + 1] = in[i];
2199: }
2200:
2201: *outlen = len + 1;
2202: return out;
2203: }
2204:
2205: int
2206: app_isdir(const char *name)
2207: {
2208: struct stat st;
2209:
2210: if (stat(name, &st) == 0)
2211: return S_ISDIR(st.st_mode);
2212: return -1;
1.2 jsing 2213: }
2214:
1.10 jsing 2215: #define OPTION_WIDTH 18
2216:
1.2 jsing 2217: void
2218: options_usage(struct option *opts)
2219: {
1.10 jsing 2220: const char *p, *q;
2221: char optstr[32];
1.2 jsing 2222: int i;
2223:
2224: for (i = 0; opts[i].name != NULL; i++) {
2225: if (opts[i].desc == NULL)
2226: continue;
1.10 jsing 2227:
2228: snprintf(optstr, sizeof(optstr), "-%s %s", opts[i].name,
2229: (opts[i].argname != NULL) ? opts[i].argname : "");
2230: fprintf(stderr, " %-*s", OPTION_WIDTH, optstr);
2231: if (strlen(optstr) > OPTION_WIDTH)
2232: fprintf(stderr, "\n %-*s", OPTION_WIDTH, "");
2233:
2234: p = opts[i].desc;
2235: while ((q = strchr(p, '\n')) != NULL) {
2236: fprintf(stderr, " %.*s", (int)(q - p), p);
2237: fprintf(stderr, "\n %-*s", OPTION_WIDTH, "");
2238: p = q + 1;
2239: }
2240: fprintf(stderr, " %s\n", p);
1.2 jsing 2241: }
2242: }
2243:
2244: int
1.18 jsing 2245: options_parse(int argc, char **argv, struct option *opts, char **unnamed,
2246: int *argsused)
1.2 jsing 2247: {
1.3 jsing 2248: const char *errstr;
1.2 jsing 2249: struct option *opt;
1.3 jsing 2250: long long val;
1.2 jsing 2251: char *arg, *p;
1.20 jsing 2252: int fmt, used;
1.5 jsing 2253: int ord = 0;
1.2 jsing 2254: int i, j;
2255:
1.17 jsing 2256: if (unnamed != NULL)
2257: *unnamed = NULL;
2258:
1.2 jsing 2259: for (i = 1; i < argc; i++) {
2260: p = arg = argv[i];
2261:
1.17 jsing 2262: /* Single unnamed argument (without leading hyphen). */
1.2 jsing 2263: if (*p++ != '-') {
1.18 jsing 2264: if (argsused != NULL)
2265: goto done;
1.2 jsing 2266: if (unnamed == NULL)
2267: goto unknown;
1.17 jsing 2268: if (*unnamed != NULL)
2269: goto toomany;
1.2 jsing 2270: *unnamed = arg;
2271: continue;
2272: }
1.17 jsing 2273:
1.19 jsing 2274: /* End of named options (single hyphen). */
2275: if (*p == '\0') {
2276: if (++i >= argc)
2277: goto done;
2278: if (argsused != NULL)
2279: goto done;
2280: if (unnamed != NULL && i == argc - 1) {
2281: if (*unnamed != NULL)
2282: goto toomany;
2283: *unnamed = argv[i];
2284: continue;
2285: }
1.2 jsing 2286: goto unknown;
1.19 jsing 2287: }
1.2 jsing 2288:
1.20 jsing 2289: /* See if there is a matching option... */
1.2 jsing 2290: for (j = 0; opts[j].name != NULL; j++) {
1.21 jsing 2291: if (strcmp(p, opts[j].name) == 0)
1.16 jsing 2292: break;
2293: }
1.21 jsing 2294: opt = &opts[j];
1.22 ! jsing 2295: if (opt->name == NULL && opt->type == 0)
1.16 jsing 2296: goto unknown;
1.2 jsing 2297:
1.16 jsing 2298: if (opt->type == OPTION_ARG ||
2299: opt->type == OPTION_ARG_FORMAT ||
2300: opt->type == OPTION_ARG_FUNC ||
2301: opt->type == OPTION_ARG_INT) {
2302: if (++i >= argc) {
2303: fprintf(stderr, "missing %s argument for -%s\n",
2304: opt->argname, opt->name);
2305: return (1);
1.3 jsing 2306: }
1.16 jsing 2307: }
1.3 jsing 2308:
1.16 jsing 2309: switch (opt->type) {
2310: case OPTION_ARG:
2311: *opt->opt.arg = argv[i];
1.20 jsing 2312: break;
2313:
2314: case OPTION_ARGV_FUNC:
2315: if (opt->opt.argvfunc(argc - i, &argv[i], &used) != 0)
2316: return (1);
2317: i += used - 1;
1.16 jsing 2318: break;
1.4 jsing 2319:
1.16 jsing 2320: case OPTION_ARG_FORMAT:
2321: fmt = str2fmt(argv[i]);
2322: if (fmt == FORMAT_UNDEF) {
2323: fprintf(stderr, "unknown %s '%s' for -%s\n",
2324: opt->argname, argv[i], opt->name);
2325: return (1);
2326: }
2327: *opt->opt.value = fmt;
2328: break;
1.8 jsing 2329:
1.16 jsing 2330: case OPTION_ARG_FUNC:
2331: if (opt->opt.argfunc(argv[i]) != 0)
2332: return (1);
2333: break;
1.3 jsing 2334:
1.16 jsing 2335: case OPTION_ARG_INT:
2336: val = strtonum(argv[i], 0, INT_MAX, &errstr);
2337: if (errstr != NULL) {
2338: fprintf(stderr, "%s %s argument for -%s\n",
2339: errstr, opt->argname, opt->name);
2340: return (1);
2341: }
2342: *opt->opt.value = (int)val;
2343: break;
1.2 jsing 2344:
1.16 jsing 2345: case OPTION_FUNC:
2346: if (opt->opt.func() != 0)
2347: return (1);
2348: break;
1.13 bcook 2349:
1.16 jsing 2350: case OPTION_FLAG:
2351: *opt->opt.flag = 1;
2352: break;
1.5 jsing 2353:
1.16 jsing 2354: case OPTION_FLAG_ORD:
2355: *opt->opt.flag = ++ord;
2356: break;
1.2 jsing 2357:
1.16 jsing 2358: case OPTION_VALUE:
2359: *opt->opt.value = opt->value;
2360: break;
1.2 jsing 2361:
1.16 jsing 2362: default:
2363: fprintf(stderr, "option %s - unknown type %i\n",
2364: opt->name, opt->type);
2365: return (1);
1.2 jsing 2366: }
2367: }
1.18 jsing 2368:
2369: done:
2370: if (argsused != NULL)
2371: *argsused = i;
1.2 jsing 2372:
2373: return (0);
1.17 jsing 2374:
2375: toomany:
2376: fprintf(stderr, "too many arguments\n");
2377: return (1);
1.2 jsing 2378:
2379: unknown:
2380: fprintf(stderr, "unknown option '%s'\n", arg);
2381: return (1);
1.1 jsing 2382: }