Annotation of src/usr.bin/openssl/apps.c, Revision 1.43
1.43 ! deraadt 1: /* $OpenBSD: apps.c,v 1.42 2017/01/21 09:29:09 deraadt 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:
130: #include <ctype.h>
131: #include <errno.h>
132: #include <stdio.h>
133: #include <stdlib.h>
134: #include <limits.h>
135: #include <string.h>
136: #include <unistd.h>
137:
138: #include "apps.h"
139:
140: #include <openssl/bn.h>
141: #include <openssl/err.h>
142: #include <openssl/pem.h>
143: #include <openssl/pkcs12.h>
144: #include <openssl/safestack.h>
145: #include <openssl/x509.h>
146: #include <openssl/x509v3.h>
147:
148: #include <openssl/rsa.h>
149:
150: typedef struct {
151: const char *name;
152: unsigned long flag;
153: unsigned long mask;
154: } NAME_EX_TBL;
155:
1.36 bcook 156: UI_METHOD *ui_method = NULL;
1.1 jsing 157:
158: static int set_table_opts(unsigned long *flags, const char *arg,
159: const NAME_EX_TBL *in_tbl);
160: static int set_multi_opts(unsigned long *flags, const char *arg,
161: const NAME_EX_TBL *in_tbl);
162:
163: #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
164: /* Looks like this stuff is worth moving into separate function */
165: static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file,
166: const char *key_descrip, int format);
167: #endif
168:
169: int
170: str2fmt(char *s)
171: {
172: if (s == NULL)
173: return FORMAT_UNDEF;
174: if ((*s == 'D') || (*s == 'd'))
175: return (FORMAT_ASN1);
176: else if ((*s == 'T') || (*s == 't'))
177: return (FORMAT_TEXT);
178: else if ((*s == 'N') || (*s == 'n'))
179: return (FORMAT_NETSCAPE);
180: else if ((*s == 'S') || (*s == 's'))
181: return (FORMAT_SMIME);
182: else if ((*s == 'M') || (*s == 'm'))
183: return (FORMAT_MSBLOB);
184: else if ((*s == '1') ||
185: (strcmp(s, "PKCS12") == 0) || (strcmp(s, "pkcs12") == 0) ||
186: (strcmp(s, "P12") == 0) || (strcmp(s, "p12") == 0))
187: return (FORMAT_PKCS12);
188: else if ((*s == 'P') || (*s == 'p')) {
189: if (s[1] == 'V' || s[1] == 'v')
190: return FORMAT_PVK;
191: else
192: return (FORMAT_PEM);
193: } else
194: return (FORMAT_UNDEF);
195: }
196:
197: void
198: program_name(char *in, char *out, int size)
199: {
200: char *p;
201:
202: p = strrchr(in, '/');
203: if (p != NULL)
204: p++;
205: else
206: p = in;
207: strlcpy(out, p, size);
208: }
209:
210: int
211: chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
212: {
213: int num, i;
214: char *p;
215:
216: *argc = 0;
217: *argv = NULL;
218:
219: i = 0;
220: if (arg->count == 0) {
221: arg->count = 20;
222: arg->data = reallocarray(NULL, arg->count, sizeof(char *));
1.24 lteo 223: if (arg->data == NULL)
224: return 0;
1.1 jsing 225: }
226: for (i = 0; i < arg->count; i++)
227: arg->data[i] = NULL;
228:
229: num = 0;
230: p = buf;
231: for (;;) {
232: /* first scan over white space */
233: if (!*p)
234: break;
235: while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
236: p++;
237: if (!*p)
238: break;
239:
240: /* The start of something good :-) */
241: if (num >= arg->count) {
242: char **tmp_p;
243: int tlen = arg->count + 20;
244: tmp_p = reallocarray(arg->data, tlen, sizeof(char *));
245: if (tmp_p == NULL)
246: return 0;
247: arg->data = tmp_p;
248: arg->count = tlen;
249: /* initialize newly allocated data */
250: for (i = num; i < arg->count; i++)
251: arg->data[i] = NULL;
252: }
253: arg->data[num++] = p;
254:
255: /* now look for the end of this */
256: if ((*p == '\'') || (*p == '\"')) { /* scan for closing
257: * quote */
258: i = *(p++);
259: arg->data[num - 1]++; /* jump over quote */
260: while (*p && (*p != i))
261: p++;
262: *p = '\0';
263: } else {
264: while (*p && ((*p != ' ') &&
265: (*p != '\t') && (*p != '\n')))
266: p++;
267:
268: if (*p == '\0')
269: p--;
270: else
271: *p = '\0';
272: }
273: p++;
274: }
275: *argc = num;
276: *argv = arg->data;
277: return (1);
278: }
279:
280: int
281: dump_cert_text(BIO *out, X509 *x)
282: {
283: char *p;
284:
285: p = X509_NAME_oneline(X509_get_subject_name(x), NULL, 0);
286: BIO_puts(out, "subject=");
287: BIO_puts(out, p);
288: free(p);
289:
290: p = X509_NAME_oneline(X509_get_issuer_name(x), NULL, 0);
291: BIO_puts(out, "\nissuer=");
292: BIO_puts(out, p);
293: BIO_puts(out, "\n");
294: free(p);
295:
296: return 0;
297: }
298:
1.36 bcook 299: int
1.1 jsing 300: ui_open(UI *ui)
301: {
302: return UI_method_get_opener(UI_OpenSSL()) (ui);
303: }
304:
1.36 bcook 305: int
1.1 jsing 306: ui_read(UI *ui, UI_STRING *uis)
307: {
1.36 bcook 308: const char *password;
309: int string_type;
310:
1.1 jsing 311: if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD &&
312: UI_get0_user_data(ui)) {
1.36 bcook 313: string_type = UI_get_string_type(uis);
314: if (string_type == UIT_PROMPT || string_type == UIT_VERIFY) {
315: password =
316: ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
317: if (password && password[0] != '\0') {
318: UI_set_result(ui, uis, password);
319: return 1;
1.1 jsing 320: }
321: }
322: }
323: return UI_method_get_reader(UI_OpenSSL()) (ui, uis);
324: }
325:
1.36 bcook 326: int
1.1 jsing 327: ui_write(UI *ui, UI_STRING *uis)
328: {
1.36 bcook 329: const char *password;
330: int string_type;
331:
1.1 jsing 332: if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD &&
333: UI_get0_user_data(ui)) {
1.36 bcook 334: string_type = UI_get_string_type(uis);
335: if (string_type == UIT_PROMPT || string_type == UIT_VERIFY) {
336: password =
337: ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
338: if (password && password[0] != '\0')
339: return 1;
1.1 jsing 340: }
341: }
342: return UI_method_get_writer(UI_OpenSSL()) (ui, uis);
343: }
344:
1.36 bcook 345: int
1.1 jsing 346: ui_close(UI *ui)
347: {
348: return UI_method_get_closer(UI_OpenSSL()) (ui);
349: }
350:
351: int
352: password_callback(char *buf, int bufsiz, int verify, void *arg)
353: {
354: PW_CB_DATA *cb_tmp = arg;
355: UI *ui = NULL;
356: int res = 0;
357: const char *prompt_info = NULL;
358: const char *password = NULL;
359: PW_CB_DATA *cb_data = (PW_CB_DATA *) cb_tmp;
360:
361: if (cb_data) {
362: if (cb_data->password)
363: password = cb_data->password;
364: if (cb_data->prompt_info)
365: prompt_info = cb_data->prompt_info;
366: }
367: if (password) {
368: res = strlen(password);
369: if (res > bufsiz)
370: res = bufsiz;
371: memcpy(buf, password, res);
372: return res;
373: }
374: ui = UI_new_method(ui_method);
375: if (ui) {
376: int ok = 0;
377: char *buff = NULL;
378: int ui_flags = 0;
379: char *prompt = NULL;
380:
381: prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
382:
383: ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
384: UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
385:
386: if (ok >= 0)
387: ok = UI_add_input_string(ui, prompt, ui_flags, buf,
388: PW_MIN_LENGTH, bufsiz - 1);
389: if (ok >= 0 && verify) {
390: buff = malloc(bufsiz);
391: ok = UI_add_verify_string(ui, prompt, ui_flags, buff,
392: PW_MIN_LENGTH, bufsiz - 1, buf);
393: }
394: if (ok >= 0)
395: do {
396: ok = UI_process(ui);
397: } while (ok < 0 &&
398: UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
399:
1.43 ! deraadt 400: freezero(buff, (unsigned int) bufsiz);
1.1 jsing 401: if (ok >= 0)
402: res = strlen(buf);
403: if (ok == -1) {
404: BIO_printf(bio_err, "User interface error\n");
405: ERR_print_errors(bio_err);
1.34 jsing 406: explicit_bzero(buf, (unsigned int) bufsiz);
1.1 jsing 407: res = 0;
408: }
409: if (ok == -2) {
410: BIO_printf(bio_err, "aborted!\n");
1.34 jsing 411: explicit_bzero(buf, (unsigned int) bufsiz);
1.1 jsing 412: res = 0;
413: }
414: UI_free(ui);
415: free(prompt);
416: }
417: return res;
418: }
419:
420: static char *app_get_pass(BIO *err, char *arg, int keepbio);
421:
422: int
423: app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
424: {
425: int same;
426:
427: if (!arg2 || !arg1 || strcmp(arg1, arg2))
428: same = 0;
429: else
430: same = 1;
431: if (arg1) {
432: *pass1 = app_get_pass(err, arg1, same);
433: if (!*pass1)
434: return 0;
435: } else if (pass1)
436: *pass1 = NULL;
437: if (arg2) {
438: *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
439: if (!*pass2)
440: return 0;
441: } else if (pass2)
442: *pass2 = NULL;
443: return 1;
444: }
445:
446: static char *
447: app_get_pass(BIO *err, char *arg, int keepbio)
448: {
449: char *tmp, tpass[APP_PASS_LEN];
450: static BIO *pwdbio = NULL;
451: const char *errstr = NULL;
452: int i;
453:
454: if (!strncmp(arg, "pass:", 5))
455: return strdup(arg + 5);
456: if (!strncmp(arg, "env:", 4)) {
457: tmp = getenv(arg + 4);
458: if (!tmp) {
459: BIO_printf(err, "Can't read environment variable %s\n",
460: arg + 4);
461: return NULL;
462: }
463: return strdup(tmp);
464: }
465: if (!keepbio || !pwdbio) {
466: if (!strncmp(arg, "file:", 5)) {
467: pwdbio = BIO_new_file(arg + 5, "r");
468: if (!pwdbio) {
469: BIO_printf(err, "Can't open file %s\n",
470: arg + 5);
471: return NULL;
472: }
473: } else if (!strncmp(arg, "fd:", 3)) {
474: BIO *btmp;
475: i = strtonum(arg + 3, 0, INT_MAX, &errstr);
476: if (errstr) {
477: BIO_printf(err,
478: "Invalid file descriptor %s: %s\n",
479: arg, errstr);
480: return NULL;
481: }
482: pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
483: if (!pwdbio) {
484: BIO_printf(err,
485: "Can't access file descriptor %s\n",
486: arg + 3);
487: return NULL;
488: }
489: /*
490: * Can't do BIO_gets on an fd BIO so add a buffering
491: * BIO
492: */
493: btmp = BIO_new(BIO_f_buffer());
494: pwdbio = BIO_push(btmp, pwdbio);
495: } else if (!strcmp(arg, "stdin")) {
496: pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
497: if (!pwdbio) {
498: BIO_printf(err, "Can't open BIO for stdin\n");
499: return NULL;
500: }
501: } else {
502: BIO_printf(err, "Invalid password argument \"%s\"\n",
503: arg);
504: return NULL;
505: }
506: }
507: i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
508: if (keepbio != 1) {
509: BIO_free_all(pwdbio);
510: pwdbio = NULL;
511: }
512: if (i <= 0) {
513: BIO_printf(err, "Error reading password from BIO\n");
514: return NULL;
515: }
516: tmp = strchr(tpass, '\n');
517: if (tmp)
518: *tmp = 0;
519: return strdup(tpass);
520: }
521:
522: int
523: add_oid_section(BIO *err, CONF *conf)
524: {
525: char *p;
526: STACK_OF(CONF_VALUE) *sktmp;
527: CONF_VALUE *cnf;
528: int i;
529:
530: if (!(p = NCONF_get_string(conf, NULL, "oid_section"))) {
531: ERR_clear_error();
532: return 1;
533: }
534: if (!(sktmp = NCONF_get_section(conf, p))) {
535: BIO_printf(err, "problem loading oid section %s\n", p);
536: return 0;
537: }
538: for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
539: cnf = sk_CONF_VALUE_value(sktmp, i);
540: if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
541: BIO_printf(err, "problem creating object %s=%s\n",
542: cnf->name, cnf->value);
543: return 0;
544: }
545: }
546: return 1;
547: }
548:
549: static int
550: load_pkcs12(BIO *err, BIO *in, const char *desc, pem_password_cb *pem_cb,
551: void *cb_data, EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
552: {
553: const char *pass;
554: char tpass[PEM_BUFSIZE];
555: int len, ret = 0;
556: PKCS12 *p12;
557:
558: p12 = d2i_PKCS12_bio(in, NULL);
559: if (p12 == NULL) {
560: BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
561: goto die;
562: }
563: /* See if an empty password will do */
564: if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
565: pass = "";
566: else {
567: if (!pem_cb)
568: pem_cb = password_callback;
569: len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
570: if (len < 0) {
571: BIO_printf(err, "Passpharse callback error for %s\n",
572: desc);
573: goto die;
574: }
575: if (len < PEM_BUFSIZE)
576: tpass[len] = 0;
577: if (!PKCS12_verify_mac(p12, tpass, len)) {
578: BIO_printf(err,
579: "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
580: goto die;
581: }
582: pass = tpass;
583: }
584: ret = PKCS12_parse(p12, pass, pkey, cert, ca);
585:
586: die:
587: if (p12)
588: PKCS12_free(p12);
589: return ret;
590: }
591:
592: X509 *
1.35 bcook 593: load_cert(BIO *err, const char *file, int format, const char *pass,
1.1 jsing 594: const char *cert_descrip)
595: {
596: X509 *x = NULL;
597: BIO *cert;
598:
599: if ((cert = BIO_new(BIO_s_file())) == NULL) {
600: ERR_print_errors(err);
601: goto end;
602: }
603: if (file == NULL) {
604: setvbuf(stdin, NULL, _IONBF, 0);
605: BIO_set_fp(cert, stdin, BIO_NOCLOSE);
606: } else {
607: if (BIO_read_filename(cert, file) <= 0) {
608: BIO_printf(err, "Error opening %s %s\n",
609: cert_descrip, file);
610: ERR_print_errors(err);
611: goto end;
612: }
613: }
614:
615: if (format == FORMAT_ASN1)
616: x = d2i_X509_bio(cert, NULL);
617: else if (format == FORMAT_NETSCAPE) {
618: NETSCAPE_X509 *nx;
1.41 jsing 619: nx = ASN1_item_d2i_bio(&NETSCAPE_X509_it,
1.1 jsing 620: cert, NULL);
621: if (nx == NULL)
622: goto end;
623:
624: if ((strncmp(NETSCAPE_CERT_HDR, (char *) nx->header->data,
625: nx->header->length) != 0)) {
626: NETSCAPE_X509_free(nx);
627: BIO_printf(err,
628: "Error reading header on certificate\n");
629: goto end;
630: }
631: x = nx->cert;
632: nx->cert = NULL;
633: NETSCAPE_X509_free(nx);
634: } else if (format == FORMAT_PEM)
635: x = PEM_read_bio_X509_AUX(cert, NULL, password_callback, NULL);
636: else if (format == FORMAT_PKCS12) {
637: if (!load_pkcs12(err, cert, cert_descrip, NULL, NULL,
638: NULL, &x, NULL))
639: goto end;
640: } else {
641: BIO_printf(err, "bad input format specified for %s\n",
642: cert_descrip);
643: goto end;
644: }
645:
646: end:
647: if (x == NULL) {
648: BIO_printf(err, "unable to load certificate\n");
649: ERR_print_errors(err);
650: }
651: BIO_free(cert);
652: return (x);
653: }
654:
655: EVP_PKEY *
656: load_key(BIO *err, const char *file, int format, int maybe_stdin,
1.35 bcook 657: const char *pass, const char *key_descrip)
1.1 jsing 658: {
659: BIO *key = NULL;
660: EVP_PKEY *pkey = NULL;
661: PW_CB_DATA cb_data;
662:
663: cb_data.password = pass;
664: cb_data.prompt_info = file;
665:
1.35 bcook 666: if (file == NULL && (!maybe_stdin)) {
1.1 jsing 667: BIO_printf(err, "no keyfile specified\n");
668: goto end;
669: }
670: key = BIO_new(BIO_s_file());
671: if (key == NULL) {
672: ERR_print_errors(err);
673: goto end;
674: }
675: if (file == NULL && maybe_stdin) {
676: setvbuf(stdin, NULL, _IONBF, 0);
677: BIO_set_fp(key, stdin, BIO_NOCLOSE);
678: } else if (BIO_read_filename(key, file) <= 0) {
679: BIO_printf(err, "Error opening %s %s\n",
680: key_descrip, file);
681: ERR_print_errors(err);
682: goto end;
683: }
684: if (format == FORMAT_ASN1) {
685: pkey = d2i_PrivateKey_bio(key, NULL);
686: } else if (format == FORMAT_PEM) {
687: pkey = PEM_read_bio_PrivateKey(key, NULL, password_callback, &cb_data);
688: }
689: #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
690: else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
691: pkey = load_netscape_key(err, key, file, key_descrip, format);
692: #endif
693: else if (format == FORMAT_PKCS12) {
694: if (!load_pkcs12(err, key, key_descrip, password_callback, &cb_data,
695: &pkey, NULL, NULL))
696: goto end;
697: }
698: #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
699: else if (format == FORMAT_MSBLOB)
700: pkey = b2i_PrivateKey_bio(key);
701: else if (format == FORMAT_PVK)
702: pkey = b2i_PVK_bio(key, password_callback,
703: &cb_data);
704: #endif
705: else {
706: BIO_printf(err, "bad input format specified for key file\n");
707: goto end;
708: }
709: end:
710: BIO_free(key);
711: if (pkey == NULL) {
712: BIO_printf(err, "unable to load %s\n", key_descrip);
713: ERR_print_errors(err);
714: }
715: return (pkey);
716: }
717:
718: EVP_PKEY *
719: load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
1.35 bcook 720: const char *pass, const char *key_descrip)
1.1 jsing 721: {
722: BIO *key = NULL;
723: EVP_PKEY *pkey = NULL;
724: PW_CB_DATA cb_data;
725:
726: cb_data.password = pass;
727: cb_data.prompt_info = file;
728:
1.35 bcook 729: if (file == NULL && !maybe_stdin) {
1.1 jsing 730: BIO_printf(err, "no keyfile specified\n");
731: goto end;
732: }
733: key = BIO_new(BIO_s_file());
734: if (key == NULL) {
735: ERR_print_errors(err);
736: goto end;
737: }
738: if (file == NULL && maybe_stdin) {
739: setvbuf(stdin, NULL, _IONBF, 0);
740: BIO_set_fp(key, stdin, BIO_NOCLOSE);
741: } else if (BIO_read_filename(key, file) <= 0) {
742: BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
743: ERR_print_errors(err);
744: goto end;
745: }
746: if (format == FORMAT_ASN1) {
747: pkey = d2i_PUBKEY_bio(key, NULL);
748: }
749: else if (format == FORMAT_ASN1RSA) {
750: RSA *rsa;
751: rsa = d2i_RSAPublicKey_bio(key, NULL);
752: if (rsa) {
753: pkey = EVP_PKEY_new();
754: if (pkey)
755: EVP_PKEY_set1_RSA(pkey, rsa);
756: RSA_free(rsa);
757: } else
758: pkey = NULL;
759: } else if (format == FORMAT_PEMRSA) {
760: RSA *rsa;
761: rsa = PEM_read_bio_RSAPublicKey(key, NULL, password_callback, &cb_data);
762: if (rsa) {
763: pkey = EVP_PKEY_new();
764: if (pkey)
765: EVP_PKEY_set1_RSA(pkey, rsa);
766: RSA_free(rsa);
767: } else
768: pkey = NULL;
769: }
770: else if (format == FORMAT_PEM) {
771: pkey = PEM_read_bio_PUBKEY(key, NULL, password_callback, &cb_data);
772: }
773: #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
774: else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
775: pkey = load_netscape_key(err, key, file, key_descrip, format);
776: #endif
777: #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
778: else if (format == FORMAT_MSBLOB)
779: pkey = b2i_PublicKey_bio(key);
780: #endif
781: else {
782: BIO_printf(err, "bad input format specified for key file\n");
783: goto end;
784: }
785:
786: end:
787: BIO_free(key);
788: if (pkey == NULL)
789: BIO_printf(err, "unable to load %s\n", key_descrip);
790: return (pkey);
791: }
792:
793: #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
794: static EVP_PKEY *
795: load_netscape_key(BIO *err, BIO *key, const char *file,
796: const char *key_descrip, int format)
797: {
798: EVP_PKEY *pkey;
799: BUF_MEM *buf;
800: RSA *rsa;
801: const unsigned char *p;
802: int size, i;
803:
804: buf = BUF_MEM_new();
805: pkey = EVP_PKEY_new();
806: size = 0;
807: if (buf == NULL || pkey == NULL)
808: goto error;
809: for (;;) {
810: if (!BUF_MEM_grow_clean(buf, size + 1024 * 10))
811: goto error;
812: i = BIO_read(key, &(buf->data[size]), 1024 * 10);
813: size += i;
814: if (i == 0)
815: break;
816: if (i < 0) {
817: BIO_printf(err, "Error reading %s %s",
818: key_descrip, file);
819: goto error;
820: }
821: }
822: p = (unsigned char *) buf->data;
823: rsa = d2i_RSA_NET(NULL, &p, (long) size, NULL,
824: (format == FORMAT_IISSGC ? 1 : 0));
825: if (rsa == NULL)
826: goto error;
827: BUF_MEM_free(buf);
828: EVP_PKEY_set1_RSA(pkey, rsa);
829: return pkey;
830:
831: error:
832: BUF_MEM_free(buf);
833: EVP_PKEY_free(pkey);
834: return NULL;
835: }
836: #endif /* ndef OPENSSL_NO_RC4 */
837:
838: static int
839: load_certs_crls(BIO *err, const char *file, int format, const char *pass,
1.35 bcook 840: const char *desc, STACK_OF(X509) **pcerts,
1.1 jsing 841: STACK_OF(X509_CRL) **pcrls)
842: {
843: int i;
844: BIO *bio;
845: STACK_OF(X509_INFO) *xis = NULL;
846: X509_INFO *xi;
847: PW_CB_DATA cb_data;
848: int rv = 0;
849:
850: cb_data.password = pass;
851: cb_data.prompt_info = file;
852:
853: if (format != FORMAT_PEM) {
854: BIO_printf(err, "bad input format specified for %s\n", desc);
855: return 0;
856: }
857: if (file == NULL)
858: bio = BIO_new_fp(stdin, BIO_NOCLOSE);
859: else
860: bio = BIO_new_file(file, "r");
861:
862: if (bio == NULL) {
863: BIO_printf(err, "Error opening %s %s\n",
864: desc, file ? file : "stdin");
865: ERR_print_errors(err);
866: return 0;
867: }
868: xis = PEM_X509_INFO_read_bio(bio, NULL, password_callback, &cb_data);
869:
870: BIO_free(bio);
871:
872: if (pcerts) {
873: *pcerts = sk_X509_new_null();
874: if (!*pcerts)
875: goto end;
876: }
877: if (pcrls) {
878: *pcrls = sk_X509_CRL_new_null();
879: if (!*pcrls)
880: goto end;
881: }
882: for (i = 0; i < sk_X509_INFO_num(xis); i++) {
883: xi = sk_X509_INFO_value(xis, i);
884: if (xi->x509 && pcerts) {
885: if (!sk_X509_push(*pcerts, xi->x509))
886: goto end;
887: xi->x509 = NULL;
888: }
889: if (xi->crl && pcrls) {
890: if (!sk_X509_CRL_push(*pcrls, xi->crl))
891: goto end;
892: xi->crl = NULL;
893: }
894: }
895:
896: if (pcerts && sk_X509_num(*pcerts) > 0)
897: rv = 1;
898:
899: if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
900: rv = 1;
901:
902: end:
903: if (xis)
904: sk_X509_INFO_pop_free(xis, X509_INFO_free);
905:
906: if (rv == 0) {
907: if (pcerts) {
908: sk_X509_pop_free(*pcerts, X509_free);
909: *pcerts = NULL;
910: }
911: if (pcrls) {
912: sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
913: *pcrls = NULL;
914: }
915: BIO_printf(err, "unable to load %s\n",
916: pcerts ? "certificates" : "CRLs");
917: ERR_print_errors(err);
918: }
919: return rv;
920: }
921:
922: STACK_OF(X509) *
923: load_certs(BIO *err, const char *file, int format, const char *pass,
1.35 bcook 924: const char *desc)
1.1 jsing 925: {
926: STACK_OF(X509) *certs;
927:
1.35 bcook 928: if (!load_certs_crls(err, file, format, pass, desc, &certs, NULL))
1.1 jsing 929: return NULL;
930: return certs;
931: }
932:
933: STACK_OF(X509_CRL) *
1.35 bcook 934: load_crls(BIO *err, const char *file, int format, const char *pass,
1.1 jsing 935: const char *desc)
936: {
937: STACK_OF(X509_CRL) *crls;
938:
1.35 bcook 939: if (!load_certs_crls(err, file, format, pass, desc, NULL, &crls))
1.1 jsing 940: return NULL;
941: return crls;
942: }
943:
944: #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
945: /* Return error for unknown extensions */
946: #define X509V3_EXT_DEFAULT 0
947: /* Print error for unknown extensions */
948: #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
949: /* ASN1 parse unknown extensions */
950: #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
951: /* BIO_dump unknown extensions */
952: #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
953:
954: #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
955: X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
956:
957: int
958: set_cert_ex(unsigned long *flags, const char *arg)
959: {
960: static const NAME_EX_TBL cert_tbl[] = {
961: {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
962: {"ca_default", X509_FLAG_CA, 0xffffffffl},
963: {"no_header", X509_FLAG_NO_HEADER, 0},
964: {"no_version", X509_FLAG_NO_VERSION, 0},
965: {"no_serial", X509_FLAG_NO_SERIAL, 0},
966: {"no_signame", X509_FLAG_NO_SIGNAME, 0},
967: {"no_validity", X509_FLAG_NO_VALIDITY, 0},
968: {"no_subject", X509_FLAG_NO_SUBJECT, 0},
969: {"no_issuer", X509_FLAG_NO_ISSUER, 0},
970: {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
971: {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
972: {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
973: {"no_aux", X509_FLAG_NO_AUX, 0},
974: {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
975: {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
976: {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
977: {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
978: {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
979: {NULL, 0, 0}
980: };
981: return set_multi_opts(flags, arg, cert_tbl);
982: }
983:
984: int
985: set_name_ex(unsigned long *flags, const char *arg)
986: {
987: static const NAME_EX_TBL ex_tbl[] = {
988: {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
989: {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
990: {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
991: {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
992: {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
993: {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
994: {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
995: {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
996: {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
997: {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
998: {"compat", XN_FLAG_COMPAT, 0xffffffffL},
999: {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1000: {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1001: {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1002: {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1003: {"dn_rev", XN_FLAG_DN_REV, 0},
1004: {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1005: {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1006: {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1007: {"align", XN_FLAG_FN_ALIGN, 0},
1008: {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1009: {"space_eq", XN_FLAG_SPC_EQ, 0},
1010: {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1011: {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1012: {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1013: {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1014: {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1015: {NULL, 0, 0}
1016: };
1017: return set_multi_opts(flags, arg, ex_tbl);
1018: }
1019:
1020: int
1021: set_ext_copy(int *copy_type, const char *arg)
1022: {
1023: if (!strcasecmp(arg, "none"))
1024: *copy_type = EXT_COPY_NONE;
1025: else if (!strcasecmp(arg, "copy"))
1026: *copy_type = EXT_COPY_ADD;
1027: else if (!strcasecmp(arg, "copyall"))
1028: *copy_type = EXT_COPY_ALL;
1029: else
1030: return 0;
1031: return 1;
1032: }
1033:
1034: int
1035: copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1036: {
1037: STACK_OF(X509_EXTENSION) *exts = NULL;
1038: X509_EXTENSION *ext, *tmpext;
1039: ASN1_OBJECT *obj;
1040: int i, idx, ret = 0;
1041:
1042: if (!x || !req || (copy_type == EXT_COPY_NONE))
1043: return 1;
1044: exts = X509_REQ_get_extensions(req);
1045:
1046: for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1047: ext = sk_X509_EXTENSION_value(exts, i);
1048: obj = X509_EXTENSION_get_object(ext);
1049: idx = X509_get_ext_by_OBJ(x, obj, -1);
1050: /* Does extension exist? */
1051: if (idx != -1) {
1052: /* If normal copy don't override existing extension */
1053: if (copy_type == EXT_COPY_ADD)
1054: continue;
1055: /* Delete all extensions of same type */
1056: do {
1057: tmpext = X509_get_ext(x, idx);
1058: X509_delete_ext(x, idx);
1059: X509_EXTENSION_free(tmpext);
1060: idx = X509_get_ext_by_OBJ(x, obj, -1);
1061: } while (idx != -1);
1062: }
1063: if (!X509_add_ext(x, ext, -1))
1064: goto end;
1065: }
1066:
1067: ret = 1;
1068:
1069: end:
1070: sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1071:
1072: return ret;
1073: }
1074:
1075: static int
1076: set_multi_opts(unsigned long *flags, const char *arg,
1077: const NAME_EX_TBL *in_tbl)
1078: {
1079: STACK_OF(CONF_VALUE) *vals;
1080: CONF_VALUE *val;
1081: int i, ret = 1;
1082:
1083: if (!arg)
1084: return 0;
1085: vals = X509V3_parse_list(arg);
1086: for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1087: val = sk_CONF_VALUE_value(vals, i);
1088: if (!set_table_opts(flags, val->name, in_tbl))
1089: ret = 0;
1090: }
1091: sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1092: return ret;
1093: }
1094:
1095: static int
1096: set_table_opts(unsigned long *flags, const char *arg,
1097: const NAME_EX_TBL *in_tbl)
1098: {
1099: char c;
1100: const NAME_EX_TBL *ptbl;
1101:
1102: c = arg[0];
1103: if (c == '-') {
1104: c = 0;
1105: arg++;
1106: } else if (c == '+') {
1107: c = 1;
1108: arg++;
1109: } else
1110: c = 1;
1111:
1112: for (ptbl = in_tbl; ptbl->name; ptbl++) {
1113: if (!strcasecmp(arg, ptbl->name)) {
1114: *flags &= ~ptbl->mask;
1115: if (c)
1116: *flags |= ptbl->flag;
1117: else
1118: *flags &= ~ptbl->flag;
1119: return 1;
1120: }
1121: }
1122: return 0;
1123: }
1124:
1125: void
1126: print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1127: {
1128: char *buf;
1129: char mline = 0;
1130: int indent = 0;
1131:
1132: if (title)
1133: BIO_puts(out, title);
1134: if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1135: mline = 1;
1136: indent = 4;
1137: }
1138: if (lflags == XN_FLAG_COMPAT) {
1139: buf = X509_NAME_oneline(nm, 0, 0);
1140: BIO_puts(out, buf);
1141: BIO_puts(out, "\n");
1142: free(buf);
1143: } else {
1144: if (mline)
1145: BIO_puts(out, "\n");
1146: X509_NAME_print_ex(out, nm, indent, lflags);
1147: BIO_puts(out, "\n");
1148: }
1149: }
1150:
1151: X509_STORE *
1152: setup_verify(BIO *bp, char *CAfile, char *CApath)
1153: {
1154: X509_STORE *store;
1155: X509_LOOKUP *lookup;
1156:
1157: if (!(store = X509_STORE_new()))
1158: goto end;
1159: lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1160: if (lookup == NULL)
1161: goto end;
1162: if (CAfile) {
1163: if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1164: BIO_printf(bp, "Error loading file %s\n", CAfile);
1165: goto end;
1166: }
1167: } else
1168: X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1169:
1170: lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1171: if (lookup == NULL)
1172: goto end;
1173: if (CApath) {
1174: if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1175: BIO_printf(bp, "Error loading directory %s\n", CApath);
1176: goto end;
1177: }
1178: } else
1179: X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1180:
1181: ERR_clear_error();
1182: return store;
1183:
1184: end:
1185: X509_STORE_free(store);
1186: return NULL;
1187: }
1188:
1189: int
1190: load_config(BIO *err, CONF *cnf)
1191: {
1192: static int load_config_called = 0;
1193:
1194: if (load_config_called)
1195: return 1;
1196: load_config_called = 1;
1197: if (cnf == NULL)
1198: cnf = config;
1199: if (cnf == NULL)
1200: return 1;
1201:
1202: OPENSSL_load_builtin_modules();
1203:
1204: if (CONF_modules_load(cnf, NULL, 0) <= 0) {
1205: BIO_printf(err, "Error configuring OpenSSL\n");
1206: ERR_print_errors(err);
1207: return 0;
1208: }
1209: return 1;
1210: }
1211:
1212: char *
1213: make_config_name()
1214: {
1215: const char *t = X509_get_default_cert_area();
1216: char *p;
1217:
1218: if (asprintf(&p, "%s/openssl.cnf", t) == -1)
1219: return NULL;
1220: return p;
1221: }
1222:
1223: static unsigned long
1224: index_serial_hash(const OPENSSL_CSTRING *a)
1225: {
1226: const char *n;
1227:
1228: n = a[DB_serial];
1229: while (*n == '0')
1230: n++;
1231: return (lh_strhash(n));
1232: }
1233:
1234: static int
1235: index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1236: {
1237: const char *aa, *bb;
1238:
1239: for (aa = a[DB_serial]; *aa == '0'; aa++)
1240: ;
1241: for (bb = b[DB_serial]; *bb == '0'; bb++)
1242: ;
1243: return (strcmp(aa, bb));
1244: }
1245:
1246: static int
1247: index_name_qual(char **a)
1248: {
1249: return (a[0][0] == 'V');
1250: }
1251:
1252: static unsigned long
1253: index_name_hash(const OPENSSL_CSTRING *a)
1254: {
1255: return (lh_strhash(a[DB_name]));
1256: }
1257:
1258: int
1259: index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1260: {
1261: return (strcmp(a[DB_name], b[DB_name]));
1262: }
1263:
1264: static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1265: static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1266: static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1267: static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1268:
1269: BIGNUM *
1270: load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1271: {
1272: BIO *in = NULL;
1273: BIGNUM *ret = NULL;
1274: char buf[1024];
1275: ASN1_INTEGER *ai = NULL;
1276:
1277: ai = ASN1_INTEGER_new();
1278: if (ai == NULL)
1279: goto err;
1280:
1281: if ((in = BIO_new(BIO_s_file())) == NULL) {
1282: ERR_print_errors(bio_err);
1283: goto err;
1284: }
1285: if (BIO_read_filename(in, serialfile) <= 0) {
1286: if (!create) {
1287: perror(serialfile);
1288: goto err;
1289: } else {
1290: ret = BN_new();
1291: if (ret == NULL || !rand_serial(ret, ai))
1292: BIO_printf(bio_err, "Out of memory\n");
1293: }
1294: } else {
1.38 deraadt 1295: if (!a2i_ASN1_INTEGER(in, ai, buf, sizeof buf)) {
1.1 jsing 1296: BIO_printf(bio_err, "unable to load number from %s\n",
1297: serialfile);
1298: goto err;
1299: }
1300: ret = ASN1_INTEGER_to_BN(ai, NULL);
1301: if (ret == NULL) {
1302: BIO_printf(bio_err,
1303: "error converting number from bin to BIGNUM\n");
1304: goto err;
1305: }
1306: }
1307:
1308: if (ret && retai) {
1309: *retai = ai;
1310: ai = NULL;
1311: }
1312:
1313: err:
1314: if (in != NULL)
1315: BIO_free(in);
1316: if (ai != NULL)
1317: ASN1_INTEGER_free(ai);
1318: return (ret);
1319: }
1320:
1321: int
1322: save_serial(char *serialfile, char *suffix, BIGNUM *serial,
1323: ASN1_INTEGER **retai)
1324: {
1.38 deraadt 1325: char serialpath[PATH_MAX];
1.1 jsing 1326: BIO *out = NULL;
1327: int ret = 0, n;
1328: ASN1_INTEGER *ai = NULL;
1329:
1330: if (suffix == NULL)
1.38 deraadt 1331: n = strlcpy(serialpath, serialfile, sizeof serialpath);
1.1 jsing 1332: else
1.38 deraadt 1333: n = snprintf(serialpath, sizeof serialpath, "%s.%s",
1.1 jsing 1334: serialfile, suffix);
1.38 deraadt 1335: if (n == -1 || n >= sizeof(serialpath)) {
1.1 jsing 1336: BIO_printf(bio_err, "serial too long\n");
1337: goto err;
1338: }
1339: out = BIO_new(BIO_s_file());
1340: if (out == NULL) {
1341: ERR_print_errors(bio_err);
1342: goto err;
1343: }
1.38 deraadt 1344: if (BIO_write_filename(out, serialpath) <= 0) {
1.1 jsing 1345: perror(serialfile);
1346: goto err;
1347: }
1348: if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1349: BIO_printf(bio_err,
1350: "error converting serial to ASN.1 format\n");
1351: goto err;
1352: }
1353: i2a_ASN1_INTEGER(out, ai);
1354: BIO_puts(out, "\n");
1355: ret = 1;
1356: if (retai) {
1357: *retai = ai;
1358: ai = NULL;
1359: }
1360:
1361: err:
1362: if (out != NULL)
1363: BIO_free_all(out);
1364: if (ai != NULL)
1365: ASN1_INTEGER_free(ai);
1366: return (ret);
1367: }
1368:
1369: int
1370: rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1371: {
1.38 deraadt 1372: char opath[PATH_MAX], npath[PATH_MAX];
1.1 jsing 1373:
1.38 deraadt 1374: if (snprintf(npath, sizeof npath, "%s.%s", serialfile,
1375: new_suffix) >= sizeof npath) {
1.1 jsing 1376: BIO_printf(bio_err, "file name too long\n");
1377: goto err;
1378: }
1379:
1.38 deraadt 1380: if (snprintf(opath, sizeof opath, "%s.%s", serialfile,
1381: old_suffix) >= sizeof opath) {
1382: BIO_printf(bio_err, "file name too long\n");
1383: goto err;
1384: }
1.1 jsing 1385:
1.38 deraadt 1386: if (rename(serialfile, opath) < 0 &&
1.1 jsing 1387: errno != ENOENT && errno != ENOTDIR) {
1388: BIO_printf(bio_err, "unable to rename %s to %s\n",
1.38 deraadt 1389: serialfile, opath);
1.1 jsing 1390: perror("reason");
1391: goto err;
1392: }
1393:
1394:
1.38 deraadt 1395: if (rename(npath, serialfile) < 0) {
1.1 jsing 1396: BIO_printf(bio_err, "unable to rename %s to %s\n",
1.38 deraadt 1397: npath, serialfile);
1.1 jsing 1398: perror("reason");
1.38 deraadt 1399: if (rename(opath, serialfile) < 0) {
1.30 doug 1400: BIO_printf(bio_err, "unable to rename %s to %s\n",
1.38 deraadt 1401: opath, serialfile);
1.30 doug 1402: perror("reason");
1403: }
1.1 jsing 1404: goto err;
1405: }
1406: return 1;
1407:
1408: err:
1409: return 0;
1410: }
1411:
1412: int
1413: rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1414: {
1415: BIGNUM *btmp;
1416: int ret = 0;
1417:
1418: if (b)
1419: btmp = b;
1420: else
1421: btmp = BN_new();
1422:
1423: if (!btmp)
1424: return 0;
1425:
1426: if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1427: goto error;
1428: if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1429: goto error;
1430:
1431: ret = 1;
1432:
1433: error:
1434: if (!b)
1435: BN_free(btmp);
1436:
1437: return ret;
1438: }
1439:
1440: CA_DB *
1441: load_index(char *dbfile, DB_ATTR *db_attr)
1442: {
1443: CA_DB *retdb = NULL;
1444: TXT_DB *tmpdb = NULL;
1445: BIO *in = BIO_new(BIO_s_file());
1446: CONF *dbattr_conf = NULL;
1.38 deraadt 1447: char attrpath[PATH_MAX];
1.1 jsing 1448: long errorline = -1;
1449:
1450: if (in == NULL) {
1451: ERR_print_errors(bio_err);
1452: goto err;
1453: }
1454: if (BIO_read_filename(in, dbfile) <= 0) {
1455: perror(dbfile);
1456: BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1457: goto err;
1458: }
1459: if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1460: goto err;
1461:
1.38 deraadt 1462: if (snprintf(attrpath, sizeof attrpath, "%s.attr", dbfile)
1463: >= sizeof attrpath) {
1464: BIO_printf(bio_err, "attr filename too long\n");
1465: goto err;
1466: }
1.42 deraadt 1467:
1.1 jsing 1468: dbattr_conf = NCONF_new(NULL);
1.38 deraadt 1469: if (NCONF_load(dbattr_conf, attrpath, &errorline) <= 0) {
1.1 jsing 1470: if (errorline > 0) {
1471: BIO_printf(bio_err,
1472: "error on line %ld of db attribute file '%s'\n",
1.38 deraadt 1473: errorline, attrpath);
1.1 jsing 1474: goto err;
1475: } else {
1476: NCONF_free(dbattr_conf);
1477: dbattr_conf = NULL;
1478: }
1479: }
1480: if ((retdb = malloc(sizeof(CA_DB))) == NULL) {
1481: fprintf(stderr, "Out of memory\n");
1482: goto err;
1483: }
1484: retdb->db = tmpdb;
1485: tmpdb = NULL;
1486: if (db_attr)
1487: retdb->attributes = *db_attr;
1488: else {
1489: retdb->attributes.unique_subject = 1;
1490: }
1491:
1492: if (dbattr_conf) {
1493: char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1494: if (p) {
1495: retdb->attributes.unique_subject = parse_yesno(p, 1);
1496: }
1497: }
1498:
1499: err:
1500: if (dbattr_conf)
1501: NCONF_free(dbattr_conf);
1502: if (tmpdb)
1503: TXT_DB_free(tmpdb);
1504: if (in)
1505: BIO_free_all(in);
1506: return retdb;
1507: }
1508:
1509: int
1510: index_index(CA_DB *db)
1511: {
1512: if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1513: LHASH_HASH_FN(index_serial), LHASH_COMP_FN(index_serial))) {
1514: BIO_printf(bio_err,
1515: "error creating serial number index:(%ld,%ld,%ld)\n",
1516: db->db->error, db->db->arg1, db->db->arg2);
1517: return 0;
1518: }
1519: if (db->attributes.unique_subject &&
1520: !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1521: LHASH_HASH_FN(index_name), LHASH_COMP_FN(index_name))) {
1522: BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
1523: db->db->error, db->db->arg1, db->db->arg2);
1524: return 0;
1525: }
1526: return 1;
1527: }
1528:
1529: int
1.38 deraadt 1530: save_index(const char *file, const char *suffix, CA_DB *db)
1.1 jsing 1531: {
1.38 deraadt 1532: char attrpath[PATH_MAX], dbfile[PATH_MAX];
1.1 jsing 1533: BIO *out = BIO_new(BIO_s_file());
1534: int j;
1535:
1536: if (out == NULL) {
1537: ERR_print_errors(bio_err);
1538: goto err;
1539: }
1.38 deraadt 1540: if (snprintf(attrpath, sizeof attrpath, "%s.attr.%s",
1541: file, suffix) >= sizeof attrpath) {
1542: BIO_printf(bio_err, "file name too long\n");
1543: goto err;
1544: }
1545: if (snprintf(dbfile, sizeof dbfile, "%s.%s",
1546: file, suffix) >= sizeof dbfile) {
1.1 jsing 1547: BIO_printf(bio_err, "file name too long\n");
1548: goto err;
1549: }
1550:
1.38 deraadt 1551: if (BIO_write_filename(out, dbfile) <= 0) {
1.1 jsing 1552: perror(dbfile);
1553: BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1554: goto err;
1555: }
1556: j = TXT_DB_write(out, db->db);
1557: if (j <= 0)
1558: goto err;
1559:
1560: BIO_free(out);
1561:
1562: out = BIO_new(BIO_s_file());
1563:
1.38 deraadt 1564: if (BIO_write_filename(out, attrpath) <= 0) {
1565: perror(attrpath);
1566: BIO_printf(bio_err, "unable to open '%s'\n", attrpath);
1.1 jsing 1567: goto err;
1568: }
1569: BIO_printf(out, "unique_subject = %s\n",
1570: db->attributes.unique_subject ? "yes" : "no");
1571: BIO_free(out);
1572:
1573: return 1;
1574:
1575: err:
1576: return 0;
1577: }
1578:
1579: int
1580: rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1581: {
1.38 deraadt 1582: char attrpath[PATH_MAX], nattrpath[PATH_MAX], oattrpath[PATH_MAX];
1583: char dbpath[PATH_MAX], odbpath[PATH_MAX];
1.1 jsing 1584:
1.38 deraadt 1585: if (snprintf(attrpath, sizeof attrpath, "%s.attr",
1586: dbfile) >= sizeof attrpath) {
1587: BIO_printf(bio_err, "file name too long\n");
1588: goto err;
1589: }
1590: if (snprintf(nattrpath, sizeof nattrpath, "%s.attr.%s",
1591: dbfile, new_suffix) >= sizeof nattrpath) {
1592: BIO_printf(bio_err, "file name too long\n");
1593: goto err;
1594: }
1595: if (snprintf(oattrpath, sizeof oattrpath, "%s.attr.%s",
1596: dbfile, old_suffix) >= sizeof oattrpath) {
1597: BIO_printf(bio_err, "file name too long\n");
1598: goto err;
1599: }
1600: if (snprintf(dbpath, sizeof dbpath, "%s.%s",
1601: dbfile, new_suffix) >= sizeof dbpath) {
1602: BIO_printf(bio_err, "file name too long\n");
1603: goto err;
1604: }
1605: if (snprintf(odbpath, sizeof odbpath, "%s.%s",
1606: dbfile, old_suffix) >= sizeof odbpath) {
1.1 jsing 1607: BIO_printf(bio_err, "file name too long\n");
1608: goto err;
1609: }
1610:
1.38 deraadt 1611: if (rename(dbfile, odbpath) < 0 && errno != ENOENT && errno != ENOTDIR) {
1.1 jsing 1612: BIO_printf(bio_err, "unable to rename %s to %s\n",
1.38 deraadt 1613: dbfile, odbpath);
1.1 jsing 1614: perror("reason");
1615: goto err;
1616: }
1617:
1.38 deraadt 1618: if (rename(dbpath, dbfile) < 0) {
1.1 jsing 1619: BIO_printf(bio_err, "unable to rename %s to %s\n",
1.38 deraadt 1620: dbpath, dbfile);
1.1 jsing 1621: perror("reason");
1.38 deraadt 1622: if (rename(odbpath, dbfile) < 0) {
1.30 doug 1623: BIO_printf(bio_err, "unable to rename %s to %s\n",
1.38 deraadt 1624: odbpath, dbfile);
1.30 doug 1625: perror("reason");
1626: }
1.1 jsing 1627: goto err;
1628: }
1629:
1.38 deraadt 1630: if (rename(attrpath, oattrpath) < 0 && errno != ENOENT && errno != ENOTDIR) {
1.1 jsing 1631: BIO_printf(bio_err, "unable to rename %s to %s\n",
1.38 deraadt 1632: attrpath, oattrpath);
1.1 jsing 1633: perror("reason");
1.38 deraadt 1634: if (rename(dbfile, dbpath) < 0) {
1.30 doug 1635: BIO_printf(bio_err, "unable to rename %s to %s\n",
1.38 deraadt 1636: dbfile, dbpath);
1.30 doug 1637: perror("reason");
1638: }
1.38 deraadt 1639: if (rename(odbpath, dbfile) < 0) {
1.30 doug 1640: BIO_printf(bio_err, "unable to rename %s to %s\n",
1.38 deraadt 1641: odbpath, dbfile);
1.30 doug 1642: perror("reason");
1643: }
1.1 jsing 1644: goto err;
1645: }
1646:
1.38 deraadt 1647: if (rename(nattrpath, attrpath) < 0) {
1.1 jsing 1648: BIO_printf(bio_err, "unable to rename %s to %s\n",
1.38 deraadt 1649: nattrpath, attrpath);
1.1 jsing 1650: perror("reason");
1.38 deraadt 1651: if (rename(oattrpath, attrpath) < 0) {
1.30 doug 1652: BIO_printf(bio_err, "unable to rename %s to %s\n",
1.38 deraadt 1653: oattrpath, attrpath);
1.30 doug 1654: perror("reason");
1655: }
1.38 deraadt 1656: if (rename(dbfile, dbpath) < 0) {
1.30 doug 1657: BIO_printf(bio_err, "unable to rename %s to %s\n",
1.38 deraadt 1658: dbfile, dbpath);
1.30 doug 1659: perror("reason");
1660: }
1.38 deraadt 1661: if (rename(odbpath, dbfile) < 0) {
1.30 doug 1662: BIO_printf(bio_err, "unable to rename %s to %s\n",
1.38 deraadt 1663: odbpath, dbfile);
1.30 doug 1664: perror("reason");
1665: }
1.1 jsing 1666: goto err;
1667: }
1668: return 1;
1669:
1670: err:
1671: return 0;
1672: }
1673:
1674: void
1675: free_index(CA_DB *db)
1676: {
1677: if (db) {
1678: if (db->db)
1679: TXT_DB_free(db->db);
1680: free(db);
1681: }
1682: }
1683:
1684: int
1685: parse_yesno(const char *str, int def)
1686: {
1687: int ret = def;
1688:
1689: if (str) {
1690: switch (*str) {
1691: case 'f': /* false */
1692: case 'F': /* FALSE */
1693: case 'n': /* no */
1694: case 'N': /* NO */
1695: case '0': /* 0 */
1696: ret = 0;
1697: break;
1698: case 't': /* true */
1699: case 'T': /* TRUE */
1700: case 'y': /* yes */
1701: case 'Y': /* YES */
1702: case '1': /* 1 */
1703: ret = 1;
1704: break;
1705: default:
1706: ret = def;
1707: break;
1708: }
1709: }
1710: return ret;
1711: }
1712:
1713: /*
1714: * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1715: * where characters may be escaped by \
1716: */
1717: X509_NAME *
1718: parse_name(char *subject, long chtype, int multirdn)
1719: {
1720: X509_NAME *name = NULL;
1721: size_t buflen, max_ne;
1722: char **ne_types, **ne_values;
1723: char *buf, *bp, *sp;
1724: int i, nid, ne_num = 0;
1725: int *mval;
1726:
1727: /*
1728: * Buffer to copy the types and values into. Due to escaping the
1729: * copy can only become shorter.
1730: */
1731: buflen = strlen(subject) + 1;
1732: buf = malloc(buflen);
1733:
1734: /* Maximum number of name elements. */
1735: max_ne = buflen / 2 + 1;
1736: ne_types = reallocarray(NULL, max_ne, sizeof(char *));
1737: ne_values = reallocarray(NULL, max_ne, sizeof(char *));
1738: mval = reallocarray(NULL, max_ne, sizeof(int));
1739:
1740: if (buf == NULL || ne_types == NULL || ne_values == NULL ||
1741: mval == NULL) {
1742: BIO_printf(bio_err, "malloc error\n");
1743: goto error;
1744: }
1745:
1746: bp = buf;
1747: sp = subject;
1748:
1749: if (*subject != '/') {
1750: BIO_printf(bio_err, "Subject does not start with '/'.\n");
1751: goto error;
1752: }
1753:
1754: /* Skip leading '/'. */
1755: sp++;
1756:
1757: /* No multivalued RDN by default. */
1758: mval[ne_num] = 0;
1759:
1760: while (*sp) {
1761: /* Collect type. */
1762: ne_types[ne_num] = bp;
1763: while (*sp) {
1764: /* is there anything to escape in the type...? */
1765: if (*sp == '\\') {
1766: if (*++sp)
1767: *bp++ = *sp++;
1768: else {
1769: BIO_printf(bio_err, "escape character "
1770: "at end of string\n");
1771: goto error;
1772: }
1773: } else if (*sp == '=') {
1774: sp++;
1775: *bp++ = '\0';
1776: break;
1777: } else
1778: *bp++ = *sp++;
1779: }
1780: if (!*sp) {
1781: BIO_printf(bio_err, "end of string encountered while "
1782: "processing type of subject name element #%d\n",
1783: ne_num);
1784: goto error;
1785: }
1786: ne_values[ne_num] = bp;
1787: while (*sp) {
1788: if (*sp == '\\') {
1789: if (*++sp)
1790: *bp++ = *sp++;
1791: else {
1792: BIO_printf(bio_err, "escape character "
1793: "at end of string\n");
1794: goto error;
1795: }
1796: } else if (*sp == '/') {
1797: sp++;
1798: /* no multivalued RDN by default */
1799: mval[ne_num + 1] = 0;
1800: break;
1801: } else if (*sp == '+' && multirdn) {
1.37 miod 1802: /* a not escaped + signals a multivalued RDN */
1.1 jsing 1803: sp++;
1804: mval[ne_num + 1] = -1;
1805: break;
1806: } else
1807: *bp++ = *sp++;
1808: }
1809: *bp++ = '\0';
1810: ne_num++;
1811: }
1812:
1813: if ((name = X509_NAME_new()) == NULL)
1814: goto error;
1815:
1816: for (i = 0; i < ne_num; i++) {
1817: if ((nid = OBJ_txt2nid(ne_types[i])) == NID_undef) {
1818: BIO_printf(bio_err,
1819: "Subject Attribute %s has no known NID, skipped\n",
1820: ne_types[i]);
1821: continue;
1822: }
1823: if (!*ne_values[i]) {
1824: BIO_printf(bio_err, "No value provided for Subject "
1825: "Attribute %s, skipped\n", ne_types[i]);
1826: continue;
1827: }
1828: if (!X509_NAME_add_entry_by_NID(name, nid, chtype,
1829: (unsigned char *) ne_values[i], -1, -1, mval[i]))
1830: goto error;
1831: }
1832: goto done;
1833:
1834: error:
1835: X509_NAME_free(name);
1836: name = NULL;
1837:
1838: done:
1839: free(ne_values);
1840: free(ne_types);
1841: free(mval);
1842: free(buf);
1843:
1844: return name;
1845: }
1846:
1847: int
1848: args_verify(char ***pargs, int *pargc, int *badarg, BIO *err,
1849: X509_VERIFY_PARAM **pm)
1850: {
1851: ASN1_OBJECT *otmp = NULL;
1852: unsigned long flags = 0;
1853: int i;
1854: int purpose = 0, depth = -1;
1855: char **oldargs = *pargs;
1856: char *arg = **pargs, *argn = (*pargs)[1];
1857: time_t at_time = 0;
1858: const char *errstr = NULL;
1859:
1860: if (!strcmp(arg, "-policy")) {
1861: if (!argn)
1862: *badarg = 1;
1863: else {
1864: otmp = OBJ_txt2obj(argn, 0);
1865: if (!otmp) {
1866: BIO_printf(err, "Invalid Policy \"%s\"\n",
1867: argn);
1868: *badarg = 1;
1869: }
1870: }
1871: (*pargs)++;
1872: } else if (strcmp(arg, "-purpose") == 0) {
1873: X509_PURPOSE *xptmp;
1874: if (!argn)
1875: *badarg = 1;
1876: else {
1877: i = X509_PURPOSE_get_by_sname(argn);
1878: if (i < 0) {
1879: BIO_printf(err, "unrecognized purpose\n");
1880: *badarg = 1;
1881: } else {
1882: xptmp = X509_PURPOSE_get0(i);
1883: purpose = X509_PURPOSE_get_id(xptmp);
1884: }
1885: }
1886: (*pargs)++;
1887: } else if (strcmp(arg, "-verify_depth") == 0) {
1888: if (!argn)
1889: *badarg = 1;
1890: else {
1891: depth = strtonum(argn, 1, INT_MAX, &errstr);
1892: if (errstr) {
1893: BIO_printf(err, "invalid depth %s: %s\n",
1894: argn, errstr);
1895: *badarg = 1;
1896: }
1897: }
1898: (*pargs)++;
1899: } else if (strcmp(arg, "-attime") == 0) {
1900: if (!argn)
1901: *badarg = 1;
1902: else {
1903: long long timestamp;
1904: /*
1905: * interpret the -attime argument as seconds since
1906: * Epoch
1907: */
1908: if (sscanf(argn, "%lli", ×tamp) != 1) {
1909: BIO_printf(bio_err,
1910: "Error parsing timestamp %s\n",
1911: argn);
1912: *badarg = 1;
1913: }
1914: /* XXX 2038 truncation */
1915: at_time = (time_t) timestamp;
1916: }
1917: (*pargs)++;
1918: } else if (!strcmp(arg, "-ignore_critical"))
1919: flags |= X509_V_FLAG_IGNORE_CRITICAL;
1920: else if (!strcmp(arg, "-issuer_checks"))
1921: flags |= X509_V_FLAG_CB_ISSUER_CHECK;
1922: else if (!strcmp(arg, "-crl_check"))
1923: flags |= X509_V_FLAG_CRL_CHECK;
1924: else if (!strcmp(arg, "-crl_check_all"))
1925: flags |= X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL;
1926: else if (!strcmp(arg, "-policy_check"))
1927: flags |= X509_V_FLAG_POLICY_CHECK;
1928: else if (!strcmp(arg, "-explicit_policy"))
1929: flags |= X509_V_FLAG_EXPLICIT_POLICY;
1930: else if (!strcmp(arg, "-inhibit_any"))
1931: flags |= X509_V_FLAG_INHIBIT_ANY;
1932: else if (!strcmp(arg, "-inhibit_map"))
1933: flags |= X509_V_FLAG_INHIBIT_MAP;
1934: else if (!strcmp(arg, "-x509_strict"))
1935: flags |= X509_V_FLAG_X509_STRICT;
1936: else if (!strcmp(arg, "-extended_crl"))
1937: flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
1938: else if (!strcmp(arg, "-use_deltas"))
1939: flags |= X509_V_FLAG_USE_DELTAS;
1940: else if (!strcmp(arg, "-policy_print"))
1941: flags |= X509_V_FLAG_NOTIFY_POLICY;
1942: else if (!strcmp(arg, "-check_ss_sig"))
1943: flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
1944: else
1945: return 0;
1946:
1947: if (*badarg) {
1948: if (*pm)
1949: X509_VERIFY_PARAM_free(*pm);
1950: *pm = NULL;
1951: goto end;
1952: }
1953: if (!*pm && !(*pm = X509_VERIFY_PARAM_new())) {
1954: *badarg = 1;
1955: goto end;
1956: }
1.29 beck 1957: if (otmp) {
1.1 jsing 1958: X509_VERIFY_PARAM_add0_policy(*pm, otmp);
1.29 beck 1959: otmp = NULL;
1960: }
1.1 jsing 1961: if (flags)
1962: X509_VERIFY_PARAM_set_flags(*pm, flags);
1963:
1964: if (purpose)
1965: X509_VERIFY_PARAM_set_purpose(*pm, purpose);
1966:
1967: if (depth >= 0)
1968: X509_VERIFY_PARAM_set_depth(*pm, depth);
1969:
1970: if (at_time)
1971: X509_VERIFY_PARAM_set_time(*pm, at_time);
1972:
1973: end:
1974: (*pargs)++;
1975:
1976: if (pargc)
1977: *pargc -= *pargs - oldargs;
1978:
1.29 beck 1979: ASN1_OBJECT_free(otmp);
1.1 jsing 1980: return 1;
1981: }
1982:
1983: /* Read whole contents of a BIO into an allocated memory buffer and
1984: * return it.
1985: */
1986:
1987: int
1988: bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1989: {
1990: BIO *mem;
1991: int len, ret;
1992: unsigned char tbuf[1024];
1993:
1994: mem = BIO_new(BIO_s_mem());
1995: if (!mem)
1996: return -1;
1997: for (;;) {
1998: if ((maxlen != -1) && maxlen < 1024)
1999: len = maxlen;
2000: else
2001: len = 1024;
2002: len = BIO_read(in, tbuf, len);
2003: if (len <= 0)
2004: break;
2005: if (BIO_write(mem, tbuf, len) != len) {
2006: BIO_free(mem);
2007: return -1;
2008: }
2009: maxlen -= len;
2010:
2011: if (maxlen == 0)
2012: break;
2013: }
2014: ret = BIO_get_mem_data(mem, (char **) out);
2015: BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2016: BIO_free(mem);
2017: return ret;
2018: }
2019:
2020: int
2021: pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2022: {
2023: int rv;
2024: char *stmp, *vtmp = NULL;
2025:
1.11 jsing 2026: if (value == NULL)
2027: return -1;
2028: stmp = strdup(value);
1.1 jsing 2029: if (!stmp)
2030: return -1;
2031: vtmp = strchr(stmp, ':');
2032: if (vtmp) {
2033: *vtmp = 0;
2034: vtmp++;
2035: }
2036: rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2037: free(stmp);
2038:
2039: return rv;
2040: }
2041:
2042: static void
2043: nodes_print(BIO *out, const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2044: {
2045: X509_POLICY_NODE *node;
2046: int i;
2047:
2048: BIO_printf(out, "%s Policies:", name);
2049: if (nodes) {
2050: BIO_puts(out, "\n");
2051: for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2052: node = sk_X509_POLICY_NODE_value(nodes, i);
2053: X509_POLICY_NODE_print(out, node, 2);
2054: }
2055: } else
2056: BIO_puts(out, " <empty>\n");
2057: }
2058:
2059: void
2060: policies_print(BIO *out, X509_STORE_CTX *ctx)
2061: {
2062: X509_POLICY_TREE *tree;
2063: int explicit_policy;
2064: int free_out = 0;
2065:
2066: if (out == NULL) {
2067: out = BIO_new_fp(stderr, BIO_NOCLOSE);
2068: free_out = 1;
2069: }
2070: tree = X509_STORE_CTX_get0_policy_tree(ctx);
2071: explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2072:
2073: BIO_printf(out, "Require explicit Policy: %s\n",
2074: explicit_policy ? "True" : "False");
2075:
2076: nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2077: nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2078: if (free_out)
2079: BIO_free(out);
2080: }
2081:
2082: /* next_protos_parse parses a comma separated list of strings into a string
2083: * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2084: * outlen: (output) set to the length of the resulting buffer on success.
2085: * err: (maybe NULL) on failure, an error message line is written to this BIO.
2086: * in: a NUL termianted string like "abc,def,ghi"
2087: *
2088: * returns: a malloced buffer or NULL on failure.
2089: */
2090: unsigned char *
2091: next_protos_parse(unsigned short *outlen, const char *in)
2092: {
2093: size_t len;
2094: unsigned char *out;
2095: size_t i, start = 0;
2096:
2097: len = strlen(in);
2098: if (len >= 65535)
2099: return NULL;
2100:
2101: out = malloc(strlen(in) + 1);
2102: if (!out)
2103: return NULL;
2104:
2105: for (i = 0; i <= len; ++i) {
2106: if (i == len || in[i] == ',') {
2107: if (i - start > 255) {
2108: free(out);
2109: return NULL;
2110: }
2111: out[start] = i - start;
2112: start = i + 1;
2113: } else
2114: out[i + 1] = in[i];
2115: }
2116:
2117: *outlen = len + 1;
2118: return out;
2119: }
2120:
2121: int
2122: app_isdir(const char *name)
2123: {
2124: struct stat st;
2125:
2126: if (stat(name, &st) == 0)
2127: return S_ISDIR(st.st_mode);
2128: return -1;
1.2 jsing 2129: }
2130:
1.10 jsing 2131: #define OPTION_WIDTH 18
2132:
1.2 jsing 2133: void
2134: options_usage(struct option *opts)
2135: {
1.10 jsing 2136: const char *p, *q;
2137: char optstr[32];
1.2 jsing 2138: int i;
2139:
2140: for (i = 0; opts[i].name != NULL; i++) {
2141: if (opts[i].desc == NULL)
2142: continue;
1.10 jsing 2143:
2144: snprintf(optstr, sizeof(optstr), "-%s %s", opts[i].name,
2145: (opts[i].argname != NULL) ? opts[i].argname : "");
2146: fprintf(stderr, " %-*s", OPTION_WIDTH, optstr);
2147: if (strlen(optstr) > OPTION_WIDTH)
2148: fprintf(stderr, "\n %-*s", OPTION_WIDTH, "");
2149:
2150: p = opts[i].desc;
2151: while ((q = strchr(p, '\n')) != NULL) {
2152: fprintf(stderr, " %.*s", (int)(q - p), p);
2153: fprintf(stderr, "\n %-*s", OPTION_WIDTH, "");
2154: p = q + 1;
2155: }
2156: fprintf(stderr, " %s\n", p);
1.2 jsing 2157: }
2158: }
2159:
2160: int
1.18 jsing 2161: options_parse(int argc, char **argv, struct option *opts, char **unnamed,
2162: int *argsused)
1.2 jsing 2163: {
1.3 jsing 2164: const char *errstr;
1.2 jsing 2165: struct option *opt;
1.3 jsing 2166: long long val;
1.2 jsing 2167: char *arg, *p;
1.20 jsing 2168: int fmt, used;
1.5 jsing 2169: int ord = 0;
1.2 jsing 2170: int i, j;
2171:
1.17 jsing 2172: if (unnamed != NULL)
2173: *unnamed = NULL;
2174:
1.2 jsing 2175: for (i = 1; i < argc; i++) {
2176: p = arg = argv[i];
2177:
1.17 jsing 2178: /* Single unnamed argument (without leading hyphen). */
1.2 jsing 2179: if (*p++ != '-') {
1.18 jsing 2180: if (argsused != NULL)
2181: goto done;
1.2 jsing 2182: if (unnamed == NULL)
2183: goto unknown;
1.17 jsing 2184: if (*unnamed != NULL)
2185: goto toomany;
1.2 jsing 2186: *unnamed = arg;
2187: continue;
2188: }
1.17 jsing 2189:
1.19 jsing 2190: /* End of named options (single hyphen). */
2191: if (*p == '\0') {
2192: if (++i >= argc)
2193: goto done;
2194: if (argsused != NULL)
2195: goto done;
2196: if (unnamed != NULL && i == argc - 1) {
2197: if (*unnamed != NULL)
2198: goto toomany;
2199: *unnamed = argv[i];
2200: continue;
2201: }
1.2 jsing 2202: goto unknown;
1.19 jsing 2203: }
1.2 jsing 2204:
1.20 jsing 2205: /* See if there is a matching option... */
1.2 jsing 2206: for (j = 0; opts[j].name != NULL; j++) {
1.21 jsing 2207: if (strcmp(p, opts[j].name) == 0)
1.16 jsing 2208: break;
2209: }
1.21 jsing 2210: opt = &opts[j];
1.22 jsing 2211: if (opt->name == NULL && opt->type == 0)
1.16 jsing 2212: goto unknown;
1.2 jsing 2213:
1.16 jsing 2214: if (opt->type == OPTION_ARG ||
2215: opt->type == OPTION_ARG_FORMAT ||
2216: opt->type == OPTION_ARG_FUNC ||
1.28 jsing 2217: opt->type == OPTION_ARG_INT ||
1.40 guenther 2218: opt->type == OPTION_ARG_LONG ||
2219: opt->type == OPTION_ARG_TIME) {
1.16 jsing 2220: if (++i >= argc) {
2221: fprintf(stderr, "missing %s argument for -%s\n",
2222: opt->argname, opt->name);
2223: return (1);
1.3 jsing 2224: }
1.16 jsing 2225: }
1.3 jsing 2226:
1.16 jsing 2227: switch (opt->type) {
2228: case OPTION_ARG:
2229: *opt->opt.arg = argv[i];
1.20 jsing 2230: break;
2231:
2232: case OPTION_ARGV_FUNC:
2233: if (opt->opt.argvfunc(argc - i, &argv[i], &used) != 0)
2234: return (1);
2235: i += used - 1;
1.16 jsing 2236: break;
1.4 jsing 2237:
1.16 jsing 2238: case OPTION_ARG_FORMAT:
2239: fmt = str2fmt(argv[i]);
2240: if (fmt == FORMAT_UNDEF) {
2241: fprintf(stderr, "unknown %s '%s' for -%s\n",
2242: opt->argname, argv[i], opt->name);
2243: return (1);
2244: }
2245: *opt->opt.value = fmt;
2246: break;
1.8 jsing 2247:
1.16 jsing 2248: case OPTION_ARG_FUNC:
2249: if (opt->opt.argfunc(argv[i]) != 0)
2250: return (1);
2251: break;
1.3 jsing 2252:
1.16 jsing 2253: case OPTION_ARG_INT:
2254: val = strtonum(argv[i], 0, INT_MAX, &errstr);
2255: if (errstr != NULL) {
2256: fprintf(stderr, "%s %s argument for -%s\n",
2257: errstr, opt->argname, opt->name);
2258: return (1);
2259: }
2260: *opt->opt.value = (int)val;
1.28 jsing 2261: break;
2262:
2263: case OPTION_ARG_LONG:
2264: val = strtonum(argv[i], 0, LONG_MAX, &errstr);
2265: if (errstr != NULL) {
2266: fprintf(stderr, "%s %s argument for -%s\n",
2267: errstr, opt->argname, opt->name);
2268: return (1);
2269: }
2270: *opt->opt.lvalue = (long)val;
1.39 deraadt 2271: break;
2272:
2273: case OPTION_ARG_TIME:
2274: val = strtonum(argv[i], 0, LLONG_MAX, &errstr);
2275: if (errstr != NULL) {
2276: fprintf(stderr, "%s %s argument for -%s\n",
2277: errstr, opt->argname, opt->name);
2278: return (1);
2279: }
2280: *opt->opt.tvalue = val;
1.26 doug 2281: break;
2282:
2283: case OPTION_DISCARD:
1.16 jsing 2284: break;
1.2 jsing 2285:
1.16 jsing 2286: case OPTION_FUNC:
2287: if (opt->opt.func() != 0)
2288: return (1);
2289: break;
1.13 bcook 2290:
1.16 jsing 2291: case OPTION_FLAG:
2292: *opt->opt.flag = 1;
2293: break;
1.5 jsing 2294:
1.16 jsing 2295: case OPTION_FLAG_ORD:
2296: *opt->opt.flag = ++ord;
2297: break;
1.2 jsing 2298:
1.16 jsing 2299: case OPTION_VALUE:
2300: *opt->opt.value = opt->value;
1.23 jsing 2301: break;
2302:
2303: case OPTION_VALUE_AND:
2304: *opt->opt.value &= opt->value;
2305: break;
2306:
2307: case OPTION_VALUE_OR:
2308: *opt->opt.value |= opt->value;
1.16 jsing 2309: break;
1.2 jsing 2310:
1.16 jsing 2311: default:
2312: fprintf(stderr, "option %s - unknown type %i\n",
2313: opt->name, opt->type);
2314: return (1);
1.2 jsing 2315: }
2316: }
1.18 jsing 2317:
2318: done:
2319: if (argsused != NULL)
2320: *argsused = i;
1.2 jsing 2321:
2322: return (0);
1.17 jsing 2323:
2324: toomany:
2325: fprintf(stderr, "too many arguments\n");
2326: return (1);
1.2 jsing 2327:
2328: unknown:
2329: fprintf(stderr, "unknown option '%s'\n", arg);
2330: return (1);
1.1 jsing 2331: }