apps.c revision 306195
1/* apps/apps.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to.  The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 *    notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 *    notice, this list of conditions and the following disclaimer in the
30 *    documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 *    must display the following acknowledgement:
33 *    "This product includes cryptographic software written by
34 *     Eric Young (eay@cryptsoft.com)"
35 *    The word 'cryptographic' can be left out if the rouines from the library
36 *    being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 *    the apps directory (application code) you must include an acknowledgement:
39 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed.  i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58/* ====================================================================
59 * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
60 *
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
63 * are met:
64 *
65 * 1. Redistributions of source code must retain the above copyright
66 *    notice, this list of conditions and the following disclaimer.
67 *
68 * 2. Redistributions in binary form must reproduce the above copyright
69 *    notice, this list of conditions and the following disclaimer in
70 *    the documentation and/or other materials provided with the
71 *    distribution.
72 *
73 * 3. All advertising materials mentioning features or use of this
74 *    software must display the following acknowledgment:
75 *    "This product includes software developed by the OpenSSL Project
76 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 *
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 *    endorse or promote products derived from this software without
80 *    prior written permission. For written permission, please contact
81 *    openssl-core@openssl.org.
82 *
83 * 5. Products derived from this software may not be called "OpenSSL"
84 *    nor may "OpenSSL" appear in their names without prior written
85 *    permission of the OpenSSL Project.
86 *
87 * 6. Redistributions of any form whatsoever must retain the following
88 *    acknowledgment:
89 *    "This product includes software developed by the OpenSSL Project
90 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 *
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
105 *
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com).  This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
111
112#if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
113/*
114 * On VMS, you need to define this to get the declaration of fileno().  The
115 * value 2 is to make sure no function defined in POSIX-2 is left undefined.
116 */
117# define _POSIX_C_SOURCE 2
118#endif
119#include <stdio.h>
120#include <stdlib.h>
121#include <string.h>
122#include <sys/types.h>
123#include <ctype.h>
124#include <errno.h>
125#include <assert.h>
126#include <openssl/err.h>
127#include <openssl/x509.h>
128#include <openssl/x509v3.h>
129#include <openssl/pem.h>
130#include <openssl/pkcs12.h>
131#include <openssl/ui.h>
132#include <openssl/safestack.h>
133#ifndef OPENSSL_NO_ENGINE
134# include <openssl/engine.h>
135#endif
136#ifndef OPENSSL_NO_RSA
137# include <openssl/rsa.h>
138#endif
139#include <openssl/bn.h>
140#ifndef OPENSSL_NO_JPAKE
141# include <openssl/jpake.h>
142#endif
143
144#define NON_MAIN
145#include "apps.h"
146#undef NON_MAIN
147
148#ifdef _WIN32
149static int WIN32_rename(const char *from, const char *to);
150# define rename(from,to) WIN32_rename((from),(to))
151#endif
152
153typedef struct {
154    const char *name;
155    unsigned long flag;
156    unsigned long mask;
157} NAME_EX_TBL;
158
159static UI_METHOD *ui_method = NULL;
160
161static int set_table_opts(unsigned long *flags, const char *arg,
162                          const NAME_EX_TBL * in_tbl);
163static int set_multi_opts(unsigned long *flags, const char *arg,
164                          const NAME_EX_TBL * in_tbl);
165
166#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
167/* Looks like this stuff is worth moving into separate function */
168static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file,
169                                   const char *key_descrip, int format);
170#endif
171
172int app_init(long mesgwin);
173#ifdef undef                    /* never finished - probably never will be
174                                 * :-) */
175int args_from_file(char *file, int *argc, char **argv[])
176{
177    FILE *fp;
178    int num, i;
179    unsigned int len;
180    static char *buf = NULL;
181    static char **arg = NULL;
182    char *p;
183
184    fp = fopen(file, "r");
185    if (fp == NULL)
186        return (0);
187
188    if (fseek(fp, 0, SEEK_END) == 0)
189        len = ftell(fp), rewind(fp);
190    else
191        len = -1;
192    if (len <= 0) {
193        fclose(fp);
194        return (0);
195    }
196
197    *argc = 0;
198    *argv = NULL;
199
200    if (buf != NULL)
201        OPENSSL_free(buf);
202    buf = (char *)OPENSSL_malloc(len + 1);
203    if (buf == NULL)
204        return (0);
205
206    len = fread(buf, 1, len, fp);
207    if (len <= 1)
208        return (0);
209    buf[len] = '\0';
210
211    i = 0;
212    for (p = buf; *p; p++)
213        if (*p == '\n')
214            i++;
215    if (arg != NULL)
216        OPENSSL_free(arg);
217    arg = (char **)OPENSSL_malloc(sizeof(char *) * (i * 2));
218    if (arg == NULL)
219        return 0;
220    *argv = arg;
221    num = 0;
222    p = buf;
223    for (;;) {
224        if (!*p)
225            break;
226        if (*p == '#') {        /* comment line */
227            while (*p && (*p != '\n'))
228                p++;
229            continue;
230        }
231        /* else we have a line */
232        *(arg++) = p;
233        num++;
234        while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
235            p++;
236        if (!*p)
237            break;
238        if (*p == '\n') {
239            *(p++) = '\0';
240            continue;
241        }
242        /* else it is a tab or space */
243        p++;
244        while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
245            p++;
246        if (!*p)
247            break;
248        if (*p == '\n') {
249            p++;
250            continue;
251        }
252        *(arg++) = p++;
253        num++;
254        while (*p && (*p != '\n'))
255            p++;
256        if (!*p)
257            break;
258        /* else *p == '\n' */
259        *(p++) = '\0';
260    }
261    *argc = num;
262    return (1);
263}
264#endif
265
266int str2fmt(char *s)
267{
268    if (s == NULL)
269        return FORMAT_UNDEF;
270    if ((*s == 'D') || (*s == 'd'))
271        return (FORMAT_ASN1);
272    else if ((*s == 'T') || (*s == 't'))
273        return (FORMAT_TEXT);
274    else if ((*s == 'N') || (*s == 'n'))
275        return (FORMAT_NETSCAPE);
276    else if ((*s == 'S') || (*s == 's'))
277        return (FORMAT_SMIME);
278    else if ((*s == 'M') || (*s == 'm'))
279        return (FORMAT_MSBLOB);
280    else if ((*s == '1')
281             || (strcmp(s, "PKCS12") == 0) || (strcmp(s, "pkcs12") == 0)
282             || (strcmp(s, "P12") == 0) || (strcmp(s, "p12") == 0))
283        return (FORMAT_PKCS12);
284    else if ((*s == 'E') || (*s == 'e'))
285        return (FORMAT_ENGINE);
286    else if ((*s == 'H') || (*s == 'h'))
287        return FORMAT_HTTP;
288    else if ((*s == 'P') || (*s == 'p')) {
289        if (s[1] == 'V' || s[1] == 'v')
290            return FORMAT_PVK;
291        else
292            return (FORMAT_PEM);
293    } else
294        return (FORMAT_UNDEF);
295}
296
297#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
298void program_name(char *in, char *out, int size)
299{
300    int i, n;
301    char *p = NULL;
302
303    n = strlen(in);
304    /* find the last '/', '\' or ':' */
305    for (i = n - 1; i > 0; i--) {
306        if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':')) {
307            p = &(in[i + 1]);
308            break;
309        }
310    }
311    if (p == NULL)
312        p = in;
313    n = strlen(p);
314
315# if defined(OPENSSL_SYS_NETWARE)
316    /* strip off trailing .nlm if present. */
317    if ((n > 4) && (p[n - 4] == '.') &&
318        ((p[n - 3] == 'n') || (p[n - 3] == 'N')) &&
319        ((p[n - 2] == 'l') || (p[n - 2] == 'L')) &&
320        ((p[n - 1] == 'm') || (p[n - 1] == 'M')))
321        n -= 4;
322# else
323    /* strip off trailing .exe if present. */
324    if ((n > 4) && (p[n - 4] == '.') &&
325        ((p[n - 3] == 'e') || (p[n - 3] == 'E')) &&
326        ((p[n - 2] == 'x') || (p[n - 2] == 'X')) &&
327        ((p[n - 1] == 'e') || (p[n - 1] == 'E')))
328        n -= 4;
329# endif
330
331    if (n > size - 1)
332        n = size - 1;
333
334    for (i = 0; i < n; i++) {
335        if ((p[i] >= 'A') && (p[i] <= 'Z'))
336            out[i] = p[i] - 'A' + 'a';
337        else
338            out[i] = p[i];
339    }
340    out[n] = '\0';
341}
342#else
343# ifdef OPENSSL_SYS_VMS
344void program_name(char *in, char *out, int size)
345{
346    char *p = in, *q;
347    char *chars = ":]>";
348
349    while (*chars != '\0') {
350        q = strrchr(p, *chars);
351        if (q > p)
352            p = q + 1;
353        chars++;
354    }
355
356    q = strrchr(p, '.');
357    if (q == NULL)
358        q = p + strlen(p);
359    strncpy(out, p, size - 1);
360    if (q - p >= size) {
361        out[size - 1] = '\0';
362    } else {
363        out[q - p] = '\0';
364    }
365}
366# else
367void program_name(char *in, char *out, int size)
368{
369    char *p;
370
371    p = strrchr(in, '/');
372    if (p != NULL)
373        p++;
374    else
375        p = in;
376    BUF_strlcpy(out, p, size);
377}
378# endif
379#endif
380
381int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
382{
383    int num, i;
384    char *p;
385
386    *argc = 0;
387    *argv = NULL;
388
389    i = 0;
390    if (arg->count == 0) {
391        arg->count = 20;
392        arg->data = (char **)OPENSSL_malloc(sizeof(char *) * arg->count);
393        if (arg->data == NULL)
394            return 0;
395    }
396    for (i = 0; i < arg->count; i++)
397        arg->data[i] = NULL;
398
399    num = 0;
400    p = buf;
401    for (;;) {
402        /* first scan over white space */
403        if (!*p)
404            break;
405        while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
406            p++;
407        if (!*p)
408            break;
409
410        /* The start of something good :-) */
411        if (num >= arg->count) {
412            char **tmp_p;
413            int tlen = arg->count + 20;
414            tmp_p = (char **)OPENSSL_realloc(arg->data,
415                                             sizeof(char *) * tlen);
416            if (tmp_p == NULL)
417                return 0;
418            arg->data = tmp_p;
419            arg->count = tlen;
420            /* initialize newly allocated data */
421            for (i = num; i < arg->count; i++)
422                arg->data[i] = NULL;
423        }
424        arg->data[num++] = p;
425
426        /* now look for the end of this */
427        if ((*p == '\'') || (*p == '\"')) { /* scan for closing quote */
428            i = *(p++);
429            arg->data[num - 1]++; /* jump over quote */
430            while (*p && (*p != i))
431                p++;
432            *p = '\0';
433        } else {
434            while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
435                p++;
436
437            if (*p == '\0')
438                p--;
439            else
440                *p = '\0';
441        }
442        p++;
443    }
444    *argc = num;
445    *argv = arg->data;
446    return (1);
447}
448
449#ifndef APP_INIT
450int app_init(long mesgwin)
451{
452    return (1);
453}
454#endif
455
456int dump_cert_text(BIO *out, X509 *x)
457{
458    char *p;
459
460    p = X509_NAME_oneline(X509_get_subject_name(x), NULL, 0);
461    BIO_puts(out, "subject=");
462    BIO_puts(out, p);
463    OPENSSL_free(p);
464
465    p = X509_NAME_oneline(X509_get_issuer_name(x), NULL, 0);
466    BIO_puts(out, "\nissuer=");
467    BIO_puts(out, p);
468    BIO_puts(out, "\n");
469    OPENSSL_free(p);
470
471    return 0;
472}
473
474static int ui_open(UI *ui)
475{
476    return UI_method_get_opener(UI_OpenSSL())(ui);
477}
478
479static int ui_read(UI *ui, UI_STRING *uis)
480{
481    if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
482        && UI_get0_user_data(ui)) {
483        switch (UI_get_string_type(uis)) {
484        case UIT_PROMPT:
485        case UIT_VERIFY:
486            {
487                const char *password =
488                    ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
489                if (password && password[0] != '\0') {
490                    UI_set_result(ui, uis, password);
491                    return 1;
492                }
493            }
494        default:
495            break;
496        }
497    }
498    return UI_method_get_reader(UI_OpenSSL())(ui, uis);
499}
500
501static int ui_write(UI *ui, UI_STRING *uis)
502{
503    if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
504        && UI_get0_user_data(ui)) {
505        switch (UI_get_string_type(uis)) {
506        case UIT_PROMPT:
507        case UIT_VERIFY:
508            {
509                const char *password =
510                    ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
511                if (password && password[0] != '\0')
512                    return 1;
513            }
514        default:
515            break;
516        }
517    }
518    return UI_method_get_writer(UI_OpenSSL())(ui, uis);
519}
520
521static int ui_close(UI *ui)
522{
523    return UI_method_get_closer(UI_OpenSSL())(ui);
524}
525
526int setup_ui_method(void)
527{
528    ui_method = UI_create_method("OpenSSL application user interface");
529    UI_method_set_opener(ui_method, ui_open);
530    UI_method_set_reader(ui_method, ui_read);
531    UI_method_set_writer(ui_method, ui_write);
532    UI_method_set_closer(ui_method, ui_close);
533    return 0;
534}
535
536void destroy_ui_method(void)
537{
538    if (ui_method) {
539        UI_destroy_method(ui_method);
540        ui_method = NULL;
541    }
542}
543
544int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_tmp)
545{
546    UI *ui = NULL;
547    int res = 0;
548    const char *prompt_info = NULL;
549    const char *password = NULL;
550    PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
551
552    if (cb_data) {
553        if (cb_data->password)
554            password = cb_data->password;
555        if (cb_data->prompt_info)
556            prompt_info = cb_data->prompt_info;
557    }
558
559    if (password) {
560        res = strlen(password);
561        if (res > bufsiz)
562            res = bufsiz;
563        memcpy(buf, password, res);
564        return res;
565    }
566
567    ui = UI_new_method(ui_method);
568    if (ui) {
569        int ok = 0;
570        char *buff = NULL;
571        int ui_flags = 0;
572        char *prompt = NULL;
573
574        prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
575        if (!prompt) {
576            BIO_printf(bio_err, "Out of memory\n");
577            UI_free(ui);
578            return 0;
579        }
580
581        ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
582        UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
583
584        if (ok >= 0)
585            ok = UI_add_input_string(ui, prompt, ui_flags, buf,
586                                     PW_MIN_LENGTH, bufsiz - 1);
587        if (ok >= 0 && verify) {
588            buff = (char *)OPENSSL_malloc(bufsiz);
589            if (!buff) {
590                BIO_printf(bio_err, "Out of memory\n");
591                UI_free(ui);
592                OPENSSL_free(prompt);
593                return 0;
594            }
595            ok = UI_add_verify_string(ui, prompt, ui_flags, buff,
596                                      PW_MIN_LENGTH, bufsiz - 1, buf);
597        }
598        if (ok >= 0)
599            do {
600                ok = UI_process(ui);
601            }
602            while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
603
604        if (buff) {
605            OPENSSL_cleanse(buff, (unsigned int)bufsiz);
606            OPENSSL_free(buff);
607        }
608
609        if (ok >= 0)
610            res = strlen(buf);
611        if (ok == -1) {
612            BIO_printf(bio_err, "User interface error\n");
613            ERR_print_errors(bio_err);
614            OPENSSL_cleanse(buf, (unsigned int)bufsiz);
615            res = 0;
616        }
617        if (ok == -2) {
618            BIO_printf(bio_err, "aborted!\n");
619            OPENSSL_cleanse(buf, (unsigned int)bufsiz);
620            res = 0;
621        }
622        UI_free(ui);
623        OPENSSL_free(prompt);
624    }
625    return res;
626}
627
628static char *app_get_pass(BIO *err, char *arg, int keepbio);
629
630int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
631{
632    int same;
633    if (!arg2 || !arg1 || strcmp(arg1, arg2))
634        same = 0;
635    else
636        same = 1;
637    if (arg1) {
638        *pass1 = app_get_pass(err, arg1, same);
639        if (!*pass1)
640            return 0;
641    } else if (pass1)
642        *pass1 = NULL;
643    if (arg2) {
644        *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
645        if (!*pass2)
646            return 0;
647    } else if (pass2)
648        *pass2 = NULL;
649    return 1;
650}
651
652static char *app_get_pass(BIO *err, char *arg, int keepbio)
653{
654    char *tmp, tpass[APP_PASS_LEN];
655    static BIO *pwdbio = NULL;
656    int i;
657    if (!strncmp(arg, "pass:", 5))
658        return BUF_strdup(arg + 5);
659    if (!strncmp(arg, "env:", 4)) {
660        tmp = getenv(arg + 4);
661        if (!tmp) {
662            BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
663            return NULL;
664        }
665        return BUF_strdup(tmp);
666    }
667    if (!keepbio || !pwdbio) {
668        if (!strncmp(arg, "file:", 5)) {
669            pwdbio = BIO_new_file(arg + 5, "r");
670            if (!pwdbio) {
671                BIO_printf(err, "Can't open file %s\n", arg + 5);
672                return NULL;
673            }
674#if !defined(_WIN32)
675            /*
676             * Under _WIN32, which covers even Win64 and CE, file
677             * descriptors referenced by BIO_s_fd are not inherited
678             * by child process and therefore below is not an option.
679             * It could have been an option if bss_fd.c was operating
680             * on real Windows descriptors, such as those obtained
681             * with CreateFile.
682             */
683        } else if (!strncmp(arg, "fd:", 3)) {
684            BIO *btmp;
685            i = atoi(arg + 3);
686            if (i >= 0)
687                pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
688            if ((i < 0) || !pwdbio) {
689                BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
690                return NULL;
691            }
692            /*
693             * Can't do BIO_gets on an fd BIO so add a buffering BIO
694             */
695            btmp = BIO_new(BIO_f_buffer());
696            pwdbio = BIO_push(btmp, pwdbio);
697#endif
698        } else if (!strcmp(arg, "stdin")) {
699            pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
700            if (!pwdbio) {
701                BIO_printf(err, "Can't open BIO for stdin\n");
702                return NULL;
703            }
704        } else {
705            BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
706            return NULL;
707        }
708    }
709    i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
710    if (keepbio != 1) {
711        BIO_free_all(pwdbio);
712        pwdbio = NULL;
713    }
714    if (i <= 0) {
715        BIO_printf(err, "Error reading password from BIO\n");
716        return NULL;
717    }
718    tmp = strchr(tpass, '\n');
719    if (tmp)
720        *tmp = 0;
721    return BUF_strdup(tpass);
722}
723
724int add_oid_section(BIO *err, CONF *conf)
725{
726    char *p;
727    STACK_OF(CONF_VALUE) *sktmp;
728    CONF_VALUE *cnf;
729    int i;
730    if (!(p = NCONF_get_string(conf, NULL, "oid_section"))) {
731        ERR_clear_error();
732        return 1;
733    }
734    if (!(sktmp = NCONF_get_section(conf, p))) {
735        BIO_printf(err, "problem loading oid section %s\n", p);
736        return 0;
737    }
738    for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
739        cnf = sk_CONF_VALUE_value(sktmp, i);
740        if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
741            BIO_printf(err, "problem creating object %s=%s\n",
742                       cnf->name, cnf->value);
743            return 0;
744        }
745    }
746    return 1;
747}
748
749static int load_pkcs12(BIO *err, BIO *in, const char *desc,
750                       pem_password_cb *pem_cb, void *cb_data,
751                       EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
752{
753    const char *pass;
754    char tpass[PEM_BUFSIZE];
755    int len, ret = 0;
756    PKCS12 *p12;
757    p12 = d2i_PKCS12_bio(in, NULL);
758    if (p12 == NULL) {
759        BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
760        goto die;
761    }
762    /* See if an empty password will do */
763    if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
764        pass = "";
765    else {
766        if (!pem_cb)
767            pem_cb = (pem_password_cb *)password_callback;
768        len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
769        if (len < 0) {
770            BIO_printf(err, "Passpharse callback error for %s\n", desc);
771            goto die;
772        }
773        if (len < PEM_BUFSIZE)
774            tpass[len] = 0;
775        if (!PKCS12_verify_mac(p12, tpass, len)) {
776            BIO_printf(err,
777                       "Mac verify error (wrong password?) in PKCS12 file for %s\n",
778                       desc);
779            goto die;
780        }
781        pass = tpass;
782    }
783    ret = PKCS12_parse(p12, pass, pkey, cert, ca);
784 die:
785    if (p12)
786        PKCS12_free(p12);
787    return ret;
788}
789
790int load_cert_crl_http(const char *url, BIO *err,
791                       X509 **pcert, X509_CRL **pcrl)
792{
793    char *host = NULL, *port = NULL, *path = NULL;
794    BIO *bio = NULL;
795    OCSP_REQ_CTX *rctx = NULL;
796    int use_ssl, rv = 0;
797    if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
798        goto err;
799    if (use_ssl) {
800        if (err)
801            BIO_puts(err, "https not supported\n");
802        goto err;
803    }
804    bio = BIO_new_connect(host);
805    if (!bio || !BIO_set_conn_port(bio, port))
806        goto err;
807    rctx = OCSP_REQ_CTX_new(bio, 1024);
808    if (!rctx)
809        goto err;
810    if (!OCSP_REQ_CTX_http(rctx, "GET", path))
811        goto err;
812    if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
813        goto err;
814    if (pcert) {
815        do {
816            rv = X509_http_nbio(rctx, pcert);
817        }
818        while (rv == -1);
819    } else {
820        do {
821            rv = X509_CRL_http_nbio(rctx, pcrl);
822        } while (rv == -1);
823    }
824
825 err:
826    if (host)
827        OPENSSL_free(host);
828    if (path)
829        OPENSSL_free(path);
830    if (port)
831        OPENSSL_free(port);
832    if (bio)
833        BIO_free_all(bio);
834    if (rctx)
835        OCSP_REQ_CTX_free(rctx);
836    if (rv != 1) {
837        if (bio && err)
838            BIO_printf(bio_err, "Error loading %s from %s\n",
839                       pcert ? "certificate" : "CRL", url);
840        ERR_print_errors(bio_err);
841    }
842    return rv;
843}
844
845X509 *load_cert(BIO *err, const char *file, int format,
846                const char *pass, ENGINE *e, const char *cert_descrip)
847{
848    X509 *x = NULL;
849    BIO *cert;
850
851    if (format == FORMAT_HTTP) {
852        load_cert_crl_http(file, err, &x, NULL);
853        return x;
854    }
855
856    if ((cert = BIO_new(BIO_s_file())) == NULL) {
857        ERR_print_errors(err);
858        goto end;
859    }
860
861    if (file == NULL) {
862#ifdef _IONBF
863# ifndef OPENSSL_NO_SETVBUF_IONBF
864        setvbuf(stdin, NULL, _IONBF, 0);
865# endif                         /* ndef OPENSSL_NO_SETVBUF_IONBF */
866#endif
867        BIO_set_fp(cert, stdin, BIO_NOCLOSE);
868    } else {
869        if (BIO_read_filename(cert, file) <= 0) {
870            BIO_printf(err, "Error opening %s %s\n", cert_descrip, file);
871            ERR_print_errors(err);
872            goto end;
873        }
874    }
875
876    if (format == FORMAT_ASN1)
877        x = d2i_X509_bio(cert, NULL);
878    else if (format == FORMAT_NETSCAPE) {
879        NETSCAPE_X509 *nx;
880        nx = ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509), cert, NULL);
881        if (nx == NULL)
882            goto end;
883
884        if ((strncmp(NETSCAPE_CERT_HDR, (char *)nx->header->data,
885                     nx->header->length) != 0)) {
886            NETSCAPE_X509_free(nx);
887            BIO_printf(err, "Error reading header on certificate\n");
888            goto end;
889        }
890        x = nx->cert;
891        nx->cert = NULL;
892        NETSCAPE_X509_free(nx);
893    } else if (format == FORMAT_PEM)
894        x = PEM_read_bio_X509_AUX(cert, NULL,
895                                  (pem_password_cb *)password_callback, NULL);
896    else if (format == FORMAT_PKCS12) {
897        if (!load_pkcs12(err, cert, cert_descrip, NULL, NULL, NULL, &x, NULL))
898            goto end;
899    } else {
900        BIO_printf(err, "bad input format specified for %s\n", cert_descrip);
901        goto end;
902    }
903 end:
904    if (x == NULL) {
905        BIO_printf(err, "unable to load certificate\n");
906        ERR_print_errors(err);
907    }
908    if (cert != NULL)
909        BIO_free(cert);
910    return (x);
911}
912
913X509_CRL *load_crl(const char *infile, int format)
914{
915    X509_CRL *x = NULL;
916    BIO *in = NULL;
917
918    if (format == FORMAT_HTTP) {
919        load_cert_crl_http(infile, bio_err, NULL, &x);
920        return x;
921    }
922
923    in = BIO_new(BIO_s_file());
924    if (in == NULL) {
925        ERR_print_errors(bio_err);
926        goto end;
927    }
928
929    if (infile == NULL)
930        BIO_set_fp(in, stdin, BIO_NOCLOSE);
931    else {
932        if (BIO_read_filename(in, infile) <= 0) {
933            perror(infile);
934            goto end;
935        }
936    }
937    if (format == FORMAT_ASN1)
938        x = d2i_X509_CRL_bio(in, NULL);
939    else if (format == FORMAT_PEM)
940        x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
941    else {
942        BIO_printf(bio_err, "bad input format specified for input crl\n");
943        goto end;
944    }
945    if (x == NULL) {
946        BIO_printf(bio_err, "unable to load CRL\n");
947        ERR_print_errors(bio_err);
948        goto end;
949    }
950
951 end:
952    BIO_free(in);
953    return (x);
954}
955
956EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
957                   const char *pass, ENGINE *e, const char *key_descrip)
958{
959    BIO *key = NULL;
960    EVP_PKEY *pkey = NULL;
961    PW_CB_DATA cb_data;
962
963    cb_data.password = pass;
964    cb_data.prompt_info = file;
965
966    if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
967        BIO_printf(err, "no keyfile specified\n");
968        goto end;
969    }
970#ifndef OPENSSL_NO_ENGINE
971    if (format == FORMAT_ENGINE) {
972        if (!e)
973            BIO_printf(err, "no engine specified\n");
974        else {
975            pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data);
976            if (!pkey) {
977                BIO_printf(err, "cannot load %s from engine\n", key_descrip);
978                ERR_print_errors(err);
979            }
980        }
981        goto end;
982    }
983#endif
984    key = BIO_new(BIO_s_file());
985    if (key == NULL) {
986        ERR_print_errors(err);
987        goto end;
988    }
989    if (file == NULL && maybe_stdin) {
990#ifdef _IONBF
991# ifndef OPENSSL_NO_SETVBUF_IONBF
992        setvbuf(stdin, NULL, _IONBF, 0);
993# endif                         /* ndef OPENSSL_NO_SETVBUF_IONBF */
994#endif
995        BIO_set_fp(key, stdin, BIO_NOCLOSE);
996    } else if (BIO_read_filename(key, file) <= 0) {
997        BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
998        ERR_print_errors(err);
999        goto end;
1000    }
1001    if (format == FORMAT_ASN1) {
1002        pkey = d2i_PrivateKey_bio(key, NULL);
1003    } else if (format == FORMAT_PEM) {
1004        pkey = PEM_read_bio_PrivateKey(key, NULL,
1005                                       (pem_password_cb *)password_callback,
1006                                       &cb_data);
1007    }
1008#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1009    else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1010        pkey = load_netscape_key(err, key, file, key_descrip, format);
1011#endif
1012    else if (format == FORMAT_PKCS12) {
1013        if (!load_pkcs12(err, key, key_descrip,
1014                         (pem_password_cb *)password_callback, &cb_data,
1015                         &pkey, NULL, NULL))
1016            goto end;
1017    }
1018#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
1019    else if (format == FORMAT_MSBLOB)
1020        pkey = b2i_PrivateKey_bio(key);
1021    else if (format == FORMAT_PVK)
1022        pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
1023                           &cb_data);
1024#endif
1025    else {
1026        BIO_printf(err, "bad input format specified for key file\n");
1027        goto end;
1028    }
1029 end:
1030    if (key != NULL)
1031        BIO_free(key);
1032    if (pkey == NULL) {
1033        BIO_printf(err, "unable to load %s\n", key_descrip);
1034        ERR_print_errors(err);
1035    }
1036    return (pkey);
1037}
1038
1039EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
1040                      const char *pass, ENGINE *e, const char *key_descrip)
1041{
1042    BIO *key = NULL;
1043    EVP_PKEY *pkey = NULL;
1044    PW_CB_DATA cb_data;
1045
1046    cb_data.password = pass;
1047    cb_data.prompt_info = file;
1048
1049    if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
1050        BIO_printf(err, "no keyfile specified\n");
1051        goto end;
1052    }
1053#ifndef OPENSSL_NO_ENGINE
1054    if (format == FORMAT_ENGINE) {
1055        if (!e)
1056            BIO_printf(bio_err, "no engine specified\n");
1057        else
1058            pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data);
1059        goto end;
1060    }
1061#endif
1062    key = BIO_new(BIO_s_file());
1063    if (key == NULL) {
1064        ERR_print_errors(err);
1065        goto end;
1066    }
1067    if (file == NULL && maybe_stdin) {
1068#ifdef _IONBF
1069# ifndef OPENSSL_NO_SETVBUF_IONBF
1070        setvbuf(stdin, NULL, _IONBF, 0);
1071# endif                         /* ndef OPENSSL_NO_SETVBUF_IONBF */
1072#endif
1073        BIO_set_fp(key, stdin, BIO_NOCLOSE);
1074    } else if (BIO_read_filename(key, file) <= 0) {
1075        BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
1076        ERR_print_errors(err);
1077        goto end;
1078    }
1079    if (format == FORMAT_ASN1) {
1080        pkey = d2i_PUBKEY_bio(key, NULL);
1081    }
1082#ifndef OPENSSL_NO_RSA
1083    else if (format == FORMAT_ASN1RSA) {
1084        RSA *rsa;
1085        rsa = d2i_RSAPublicKey_bio(key, NULL);
1086        if (rsa) {
1087            pkey = EVP_PKEY_new();
1088            if (pkey)
1089                EVP_PKEY_set1_RSA(pkey, rsa);
1090            RSA_free(rsa);
1091        } else
1092            pkey = NULL;
1093    } else if (format == FORMAT_PEMRSA) {
1094        RSA *rsa;
1095        rsa = PEM_read_bio_RSAPublicKey(key, NULL,
1096                                        (pem_password_cb *)password_callback,
1097                                        &cb_data);
1098        if (rsa) {
1099            pkey = EVP_PKEY_new();
1100            if (pkey)
1101                EVP_PKEY_set1_RSA(pkey, rsa);
1102            RSA_free(rsa);
1103        } else
1104            pkey = NULL;
1105    }
1106#endif
1107    else if (format == FORMAT_PEM) {
1108        pkey = PEM_read_bio_PUBKEY(key, NULL,
1109                                   (pem_password_cb *)password_callback,
1110                                   &cb_data);
1111    }
1112#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1113    else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1114        pkey = load_netscape_key(err, key, file, key_descrip, format);
1115#endif
1116#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1117    else if (format == FORMAT_MSBLOB)
1118        pkey = b2i_PublicKey_bio(key);
1119#endif
1120    else {
1121        BIO_printf(err, "bad input format specified for key file\n");
1122        goto end;
1123    }
1124 end:
1125    if (key != NULL)
1126        BIO_free(key);
1127    if (pkey == NULL)
1128        BIO_printf(err, "unable to load %s\n", key_descrip);
1129    return (pkey);
1130}
1131
1132#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1133static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file,
1134                                   const char *key_descrip, int format)
1135{
1136    EVP_PKEY *pkey;
1137    BUF_MEM *buf;
1138    RSA *rsa;
1139    const unsigned char *p;
1140    int size, i;
1141
1142    buf = BUF_MEM_new();
1143    pkey = EVP_PKEY_new();
1144    size = 0;
1145    if (buf == NULL || pkey == NULL)
1146        goto error;
1147    for (;;) {
1148        if (!BUF_MEM_grow_clean(buf, size + 1024 * 10))
1149            goto error;
1150        i = BIO_read(key, &(buf->data[size]), 1024 * 10);
1151        size += i;
1152        if (i == 0)
1153            break;
1154        if (i < 0) {
1155            BIO_printf(err, "Error reading %s %s", key_descrip, file);
1156            goto error;
1157        }
1158    }
1159    p = (unsigned char *)buf->data;
1160    rsa = d2i_RSA_NET(NULL, &p, (long)size, NULL,
1161                      (format == FORMAT_IISSGC ? 1 : 0));
1162    if (rsa == NULL)
1163        goto error;
1164    BUF_MEM_free(buf);
1165    EVP_PKEY_set1_RSA(pkey, rsa);
1166    return pkey;
1167 error:
1168    BUF_MEM_free(buf);
1169    EVP_PKEY_free(pkey);
1170    return NULL;
1171}
1172#endif                          /* ndef OPENSSL_NO_RC4 */
1173
1174static int load_certs_crls(BIO *err, const char *file, int format,
1175                           const char *pass, ENGINE *e, const char *desc,
1176                           STACK_OF(X509) **pcerts,
1177                           STACK_OF(X509_CRL) **pcrls)
1178{
1179    int i;
1180    BIO *bio;
1181    STACK_OF(X509_INFO) *xis = NULL;
1182    X509_INFO *xi;
1183    PW_CB_DATA cb_data;
1184    int rv = 0;
1185
1186    cb_data.password = pass;
1187    cb_data.prompt_info = file;
1188
1189    if (format != FORMAT_PEM) {
1190        BIO_printf(err, "bad input format specified for %s\n", desc);
1191        return 0;
1192    }
1193
1194    if (file == NULL)
1195        bio = BIO_new_fp(stdin, BIO_NOCLOSE);
1196    else
1197        bio = BIO_new_file(file, "r");
1198
1199    if (bio == NULL) {
1200        BIO_printf(err, "Error opening %s %s\n", desc, file ? file : "stdin");
1201        ERR_print_errors(err);
1202        return 0;
1203    }
1204
1205    xis = PEM_X509_INFO_read_bio(bio, NULL,
1206                                 (pem_password_cb *)password_callback,
1207                                 &cb_data);
1208
1209    BIO_free(bio);
1210
1211    if (pcerts) {
1212        *pcerts = sk_X509_new_null();
1213        if (!*pcerts)
1214            goto end;
1215    }
1216
1217    if (pcrls) {
1218        *pcrls = sk_X509_CRL_new_null();
1219        if (!*pcrls)
1220            goto end;
1221    }
1222
1223    for (i = 0; i < sk_X509_INFO_num(xis); i++) {
1224        xi = sk_X509_INFO_value(xis, i);
1225        if (xi->x509 && pcerts) {
1226            if (!sk_X509_push(*pcerts, xi->x509))
1227                goto end;
1228            xi->x509 = NULL;
1229        }
1230        if (xi->crl && pcrls) {
1231            if (!sk_X509_CRL_push(*pcrls, xi->crl))
1232                goto end;
1233            xi->crl = NULL;
1234        }
1235    }
1236
1237    if (pcerts && sk_X509_num(*pcerts) > 0)
1238        rv = 1;
1239
1240    if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1241        rv = 1;
1242
1243 end:
1244
1245    if (xis)
1246        sk_X509_INFO_pop_free(xis, X509_INFO_free);
1247
1248    if (rv == 0) {
1249        if (pcerts) {
1250            sk_X509_pop_free(*pcerts, X509_free);
1251            *pcerts = NULL;
1252        }
1253        if (pcrls) {
1254            sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1255            *pcrls = NULL;
1256        }
1257        BIO_printf(err, "unable to load %s\n",
1258                   pcerts ? "certificates" : "CRLs");
1259        ERR_print_errors(err);
1260    }
1261    return rv;
1262}
1263
1264STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1265                           const char *pass, ENGINE *e, const char *desc)
1266{
1267    STACK_OF(X509) *certs;
1268    if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL))
1269        return NULL;
1270    return certs;
1271}
1272
1273STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1274                              const char *pass, ENGINE *e, const char *desc)
1275{
1276    STACK_OF(X509_CRL) *crls;
1277    if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls))
1278        return NULL;
1279    return crls;
1280}
1281
1282#define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1283/* Return error for unknown extensions */
1284#define X509V3_EXT_DEFAULT              0
1285/* Print error for unknown extensions */
1286#define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1287/* ASN1 parse unknown extensions */
1288#define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1289/* BIO_dump unknown extensions */
1290#define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1291
1292#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1293                         X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1294
1295int set_cert_ex(unsigned long *flags, const char *arg)
1296{
1297    static const NAME_EX_TBL cert_tbl[] = {
1298        {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1299        {"ca_default", X509_FLAG_CA, 0xffffffffl},
1300        {"no_header", X509_FLAG_NO_HEADER, 0},
1301        {"no_version", X509_FLAG_NO_VERSION, 0},
1302        {"no_serial", X509_FLAG_NO_SERIAL, 0},
1303        {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1304        {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1305        {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1306        {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1307        {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1308        {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1309        {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1310        {"no_aux", X509_FLAG_NO_AUX, 0},
1311        {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1312        {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1313        {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1314        {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1315        {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1316        {NULL, 0, 0}
1317    };
1318    return set_multi_opts(flags, arg, cert_tbl);
1319}
1320
1321int set_name_ex(unsigned long *flags, const char *arg)
1322{
1323    static const NAME_EX_TBL ex_tbl[] = {
1324        {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1325        {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1326        {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1327        {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1328        {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1329        {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1330        {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1331        {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1332        {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1333        {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1334        {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1335        {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1336        {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1337        {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1338        {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1339        {"dn_rev", XN_FLAG_DN_REV, 0},
1340        {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1341        {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1342        {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1343        {"align", XN_FLAG_FN_ALIGN, 0},
1344        {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1345        {"space_eq", XN_FLAG_SPC_EQ, 0},
1346        {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1347        {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1348        {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1349        {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1350        {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1351        {NULL, 0, 0}
1352    };
1353    if (set_multi_opts(flags, arg, ex_tbl) == 0)
1354        return 0;
1355    if ((*flags & XN_FLAG_SEP_MASK) == 0)
1356        *flags |= XN_FLAG_SEP_CPLUS_SPC;
1357    return 1;
1358}
1359
1360int set_ext_copy(int *copy_type, const char *arg)
1361{
1362    if (!strcasecmp(arg, "none"))
1363        *copy_type = EXT_COPY_NONE;
1364    else if (!strcasecmp(arg, "copy"))
1365        *copy_type = EXT_COPY_ADD;
1366    else if (!strcasecmp(arg, "copyall"))
1367        *copy_type = EXT_COPY_ALL;
1368    else
1369        return 0;
1370    return 1;
1371}
1372
1373int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1374{
1375    STACK_OF(X509_EXTENSION) *exts = NULL;
1376    X509_EXTENSION *ext, *tmpext;
1377    ASN1_OBJECT *obj;
1378    int i, idx, ret = 0;
1379    if (!x || !req || (copy_type == EXT_COPY_NONE))
1380        return 1;
1381    exts = X509_REQ_get_extensions(req);
1382
1383    for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1384        ext = sk_X509_EXTENSION_value(exts, i);
1385        obj = X509_EXTENSION_get_object(ext);
1386        idx = X509_get_ext_by_OBJ(x, obj, -1);
1387        /* Does extension exist? */
1388        if (idx != -1) {
1389            /* If normal copy don't override existing extension */
1390            if (copy_type == EXT_COPY_ADD)
1391                continue;
1392            /* Delete all extensions of same type */
1393            do {
1394                tmpext = X509_get_ext(x, idx);
1395                X509_delete_ext(x, idx);
1396                X509_EXTENSION_free(tmpext);
1397                idx = X509_get_ext_by_OBJ(x, obj, -1);
1398            } while (idx != -1);
1399        }
1400        if (!X509_add_ext(x, ext, -1))
1401            goto end;
1402    }
1403
1404    ret = 1;
1405
1406 end:
1407
1408    sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1409
1410    return ret;
1411}
1412
1413static int set_multi_opts(unsigned long *flags, const char *arg,
1414                          const NAME_EX_TBL * in_tbl)
1415{
1416    STACK_OF(CONF_VALUE) *vals;
1417    CONF_VALUE *val;
1418    int i, ret = 1;
1419    if (!arg)
1420        return 0;
1421    vals = X509V3_parse_list(arg);
1422    for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1423        val = sk_CONF_VALUE_value(vals, i);
1424        if (!set_table_opts(flags, val->name, in_tbl))
1425            ret = 0;
1426    }
1427    sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1428    return ret;
1429}
1430
1431static int set_table_opts(unsigned long *flags, const char *arg,
1432                          const NAME_EX_TBL * in_tbl)
1433{
1434    char c;
1435    const NAME_EX_TBL *ptbl;
1436    c = arg[0];
1437
1438    if (c == '-') {
1439        c = 0;
1440        arg++;
1441    } else if (c == '+') {
1442        c = 1;
1443        arg++;
1444    } else
1445        c = 1;
1446
1447    for (ptbl = in_tbl; ptbl->name; ptbl++) {
1448        if (!strcasecmp(arg, ptbl->name)) {
1449            *flags &= ~ptbl->mask;
1450            if (c)
1451                *flags |= ptbl->flag;
1452            else
1453                *flags &= ~ptbl->flag;
1454            return 1;
1455        }
1456    }
1457    return 0;
1458}
1459
1460void print_name(BIO *out, const char *title, X509_NAME *nm,
1461                unsigned long lflags)
1462{
1463    char *buf;
1464    char mline = 0;
1465    int indent = 0;
1466
1467    if (title)
1468        BIO_puts(out, title);
1469    if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1470        mline = 1;
1471        indent = 4;
1472    }
1473    if (lflags == XN_FLAG_COMPAT) {
1474        buf = X509_NAME_oneline(nm, 0, 0);
1475        BIO_puts(out, buf);
1476        BIO_puts(out, "\n");
1477        OPENSSL_free(buf);
1478    } else {
1479        if (mline)
1480            BIO_puts(out, "\n");
1481        X509_NAME_print_ex(out, nm, indent, lflags);
1482        BIO_puts(out, "\n");
1483    }
1484}
1485
1486X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1487{
1488    X509_STORE *store;
1489    X509_LOOKUP *lookup;
1490    if (!(store = X509_STORE_new()))
1491        goto end;
1492    lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1493    if (lookup == NULL)
1494        goto end;
1495    if (CAfile) {
1496        if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1497            BIO_printf(bp, "Error loading file %s\n", CAfile);
1498            goto end;
1499        }
1500    } else
1501        X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1502
1503    lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1504    if (lookup == NULL)
1505        goto end;
1506    if (CApath) {
1507        if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1508            BIO_printf(bp, "Error loading directory %s\n", CApath);
1509            goto end;
1510        }
1511    } else
1512        X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1513
1514    ERR_clear_error();
1515    return store;
1516 end:
1517    X509_STORE_free(store);
1518    return NULL;
1519}
1520
1521#ifndef OPENSSL_NO_ENGINE
1522/* Try to load an engine in a shareable library */
1523static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1524{
1525    ENGINE *e = ENGINE_by_id("dynamic");
1526    if (e) {
1527        if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1528            || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
1529            ENGINE_free(e);
1530            e = NULL;
1531        }
1532    }
1533    return e;
1534}
1535
1536ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1537{
1538    ENGINE *e = NULL;
1539
1540    if (engine) {
1541        if (strcmp(engine, "auto") == 0) {
1542            BIO_printf(err, "enabling auto ENGINE support\n");
1543            ENGINE_register_all_complete();
1544            return NULL;
1545        }
1546        if ((e = ENGINE_by_id(engine)) == NULL
1547            && (e = try_load_engine(err, engine, debug)) == NULL) {
1548            BIO_printf(err, "invalid engine \"%s\"\n", engine);
1549            ERR_print_errors(err);
1550            return NULL;
1551        }
1552        if (debug) {
1553            ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, err, 0);
1554        }
1555        ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1556        if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1557            BIO_printf(err, "can't use that engine\n");
1558            ERR_print_errors(err);
1559            ENGINE_free(e);
1560            return NULL;
1561        }
1562
1563        BIO_printf(err, "engine \"%s\" set.\n", ENGINE_get_id(e));
1564
1565        /* Free our "structural" reference. */
1566        ENGINE_free(e);
1567    }
1568    return e;
1569}
1570#endif
1571
1572int load_config(BIO *err, CONF *cnf)
1573{
1574    static int load_config_called = 0;
1575    if (load_config_called)
1576        return 1;
1577    load_config_called = 1;
1578    if (!cnf)
1579        cnf = config;
1580    if (!cnf)
1581        return 1;
1582
1583    OPENSSL_load_builtin_modules();
1584
1585    if (CONF_modules_load(cnf, NULL, 0) <= 0) {
1586        BIO_printf(err, "Error configuring OpenSSL\n");
1587        ERR_print_errors(err);
1588        return 0;
1589    }
1590    return 1;
1591}
1592
1593char *make_config_name()
1594{
1595    const char *t = X509_get_default_cert_area();
1596    size_t len;
1597    char *p;
1598
1599    len = strlen(t) + strlen(OPENSSL_CONF) + 2;
1600    p = OPENSSL_malloc(len);
1601    if (p == NULL)
1602        return NULL;
1603    BUF_strlcpy(p, t, len);
1604#ifndef OPENSSL_SYS_VMS
1605    BUF_strlcat(p, "/", len);
1606#endif
1607    BUF_strlcat(p, OPENSSL_CONF, len);
1608
1609    return p;
1610}
1611
1612static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1613{
1614    const char *n;
1615
1616    n = a[DB_serial];
1617    while (*n == '0')
1618        n++;
1619    return (lh_strhash(n));
1620}
1621
1622static int index_serial_cmp(const OPENSSL_CSTRING *a,
1623                            const OPENSSL_CSTRING *b)
1624{
1625    const char *aa, *bb;
1626
1627    for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1628    for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1629    return (strcmp(aa, bb));
1630}
1631
1632static int index_name_qual(char **a)
1633{
1634    return (a[0][0] == 'V');
1635}
1636
1637static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1638{
1639    return (lh_strhash(a[DB_name]));
1640}
1641
1642int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1643{
1644    return (strcmp(a[DB_name], b[DB_name]));
1645}
1646
1647static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1648static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1649static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1650static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1651#undef BSIZE
1652#define BSIZE 256
1653BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1654{
1655    BIO *in = NULL;
1656    BIGNUM *ret = NULL;
1657    MS_STATIC char buf[1024];
1658    ASN1_INTEGER *ai = NULL;
1659
1660    ai = ASN1_INTEGER_new();
1661    if (ai == NULL)
1662        goto err;
1663
1664    if ((in = BIO_new(BIO_s_file())) == NULL) {
1665        ERR_print_errors(bio_err);
1666        goto err;
1667    }
1668
1669    if (BIO_read_filename(in, serialfile) <= 0) {
1670        if (!create) {
1671            perror(serialfile);
1672            goto err;
1673        } else {
1674            ret = BN_new();
1675            if (ret == NULL || !rand_serial(ret, ai))
1676                BIO_printf(bio_err, "Out of memory\n");
1677        }
1678    } else {
1679        if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1680            BIO_printf(bio_err, "unable to load number from %s\n",
1681                       serialfile);
1682            goto err;
1683        }
1684        ret = ASN1_INTEGER_to_BN(ai, NULL);
1685        if (ret == NULL) {
1686            BIO_printf(bio_err,
1687                       "error converting number from bin to BIGNUM\n");
1688            goto err;
1689        }
1690    }
1691
1692    if (ret && retai) {
1693        *retai = ai;
1694        ai = NULL;
1695    }
1696 err:
1697    if (in != NULL)
1698        BIO_free(in);
1699    if (ai != NULL)
1700        ASN1_INTEGER_free(ai);
1701    return (ret);
1702}
1703
1704int save_serial(char *serialfile, char *suffix, BIGNUM *serial,
1705                ASN1_INTEGER **retai)
1706{
1707    char buf[1][BSIZE];
1708    BIO *out = NULL;
1709    int ret = 0;
1710    ASN1_INTEGER *ai = NULL;
1711    int j;
1712
1713    if (suffix == NULL)
1714        j = strlen(serialfile);
1715    else
1716        j = strlen(serialfile) + strlen(suffix) + 1;
1717    if (j >= BSIZE) {
1718        BIO_printf(bio_err, "file name too long\n");
1719        goto err;
1720    }
1721
1722    if (suffix == NULL)
1723        BUF_strlcpy(buf[0], serialfile, BSIZE);
1724    else {
1725#ifndef OPENSSL_SYS_VMS
1726        j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1727#else
1728        j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1729#endif
1730    }
1731#ifdef RL_DEBUG
1732    BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1733#endif
1734    out = BIO_new(BIO_s_file());
1735    if (out == NULL) {
1736        ERR_print_errors(bio_err);
1737        goto err;
1738    }
1739    if (BIO_write_filename(out, buf[0]) <= 0) {
1740        perror(serialfile);
1741        goto err;
1742    }
1743
1744    if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1745        BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1746        goto err;
1747    }
1748    i2a_ASN1_INTEGER(out, ai);
1749    BIO_puts(out, "\n");
1750    ret = 1;
1751    if (retai) {
1752        *retai = ai;
1753        ai = NULL;
1754    }
1755 err:
1756    if (out != NULL)
1757        BIO_free_all(out);
1758    if (ai != NULL)
1759        ASN1_INTEGER_free(ai);
1760    return (ret);
1761}
1762
1763int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1764{
1765    char buf[5][BSIZE];
1766    int i, j;
1767
1768    i = strlen(serialfile) + strlen(old_suffix);
1769    j = strlen(serialfile) + strlen(new_suffix);
1770    if (i > j)
1771        j = i;
1772    if (j + 1 >= BSIZE) {
1773        BIO_printf(bio_err, "file name too long\n");
1774        goto err;
1775    }
1776#ifndef OPENSSL_SYS_VMS
1777    j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, new_suffix);
1778#else
1779    j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, new_suffix);
1780#endif
1781#ifndef OPENSSL_SYS_VMS
1782    j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", serialfile, old_suffix);
1783#else
1784    j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", serialfile, old_suffix);
1785#endif
1786#ifdef RL_DEBUG
1787    BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1788               serialfile, buf[1]);
1789#endif
1790    if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1791#ifdef ENOTDIR
1792        && errno != ENOTDIR
1793#endif
1794        ) {
1795        BIO_printf(bio_err,
1796                   "unable to rename %s to %s\n", serialfile, buf[1]);
1797        perror("reason");
1798        goto err;
1799    }
1800#ifdef RL_DEBUG
1801    BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1802               buf[0], serialfile);
1803#endif
1804    if (rename(buf[0], serialfile) < 0) {
1805        BIO_printf(bio_err,
1806                   "unable to rename %s to %s\n", buf[0], serialfile);
1807        perror("reason");
1808        rename(buf[1], serialfile);
1809        goto err;
1810    }
1811    return 1;
1812 err:
1813    return 0;
1814}
1815
1816int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1817{
1818    BIGNUM *btmp;
1819    int ret = 0;
1820    if (b)
1821        btmp = b;
1822    else
1823        btmp = BN_new();
1824
1825    if (!btmp)
1826        return 0;
1827
1828    if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1829        goto error;
1830    if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1831        goto error;
1832
1833    ret = 1;
1834
1835 error:
1836
1837    if (!b)
1838        BN_free(btmp);
1839
1840    return ret;
1841}
1842
1843CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1844{
1845    CA_DB *retdb = NULL;
1846    TXT_DB *tmpdb = NULL;
1847    BIO *in = BIO_new(BIO_s_file());
1848    CONF *dbattr_conf = NULL;
1849    char buf[1][BSIZE];
1850    long errorline = -1;
1851
1852    if (in == NULL) {
1853        ERR_print_errors(bio_err);
1854        goto err;
1855    }
1856    if (BIO_read_filename(in, dbfile) <= 0) {
1857        perror(dbfile);
1858        BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1859        goto err;
1860    }
1861    if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1862        goto err;
1863
1864#ifndef OPENSSL_SYS_VMS
1865    BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1866#else
1867    BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1868#endif
1869    dbattr_conf = NCONF_new(NULL);
1870    if (NCONF_load(dbattr_conf, buf[0], &errorline) <= 0) {
1871        if (errorline > 0) {
1872            BIO_printf(bio_err,
1873                       "error on line %ld of db attribute file '%s'\n",
1874                       errorline, buf[0]);
1875            goto err;
1876        } else {
1877            NCONF_free(dbattr_conf);
1878            dbattr_conf = NULL;
1879        }
1880    }
1881
1882    if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL) {
1883        fprintf(stderr, "Out of memory\n");
1884        goto err;
1885    }
1886
1887    retdb->db = tmpdb;
1888    tmpdb = NULL;
1889    if (db_attr)
1890        retdb->attributes = *db_attr;
1891    else {
1892        retdb->attributes.unique_subject = 1;
1893    }
1894
1895    if (dbattr_conf) {
1896        char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1897        if (p) {
1898#ifdef RL_DEBUG
1899            BIO_printf(bio_err,
1900                       "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1901#endif
1902            retdb->attributes.unique_subject = parse_yesno(p, 1);
1903        }
1904    }
1905
1906 err:
1907    if (dbattr_conf)
1908        NCONF_free(dbattr_conf);
1909    if (tmpdb)
1910        TXT_DB_free(tmpdb);
1911    if (in)
1912        BIO_free_all(in);
1913    return retdb;
1914}
1915
1916int index_index(CA_DB *db)
1917{
1918    if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1919                             LHASH_HASH_FN(index_serial),
1920                             LHASH_COMP_FN(index_serial))) {
1921        BIO_printf(bio_err,
1922                   "error creating serial number index:(%ld,%ld,%ld)\n",
1923                   db->db->error, db->db->arg1, db->db->arg2);
1924        return 0;
1925    }
1926
1927    if (db->attributes.unique_subject
1928        && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1929                                LHASH_HASH_FN(index_name),
1930                                LHASH_COMP_FN(index_name))) {
1931        BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
1932                   db->db->error, db->db->arg1, db->db->arg2);
1933        return 0;
1934    }
1935    return 1;
1936}
1937
1938int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1939{
1940    char buf[3][BSIZE];
1941    BIO *out = BIO_new(BIO_s_file());
1942    int j;
1943
1944    if (out == NULL) {
1945        ERR_print_errors(bio_err);
1946        goto err;
1947    }
1948
1949    j = strlen(dbfile) + strlen(suffix);
1950    if (j + 6 >= BSIZE) {
1951        BIO_printf(bio_err, "file name too long\n");
1952        goto err;
1953    }
1954#ifndef OPENSSL_SYS_VMS
1955    j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1956#else
1957    j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1958#endif
1959#ifndef OPENSSL_SYS_VMS
1960    j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1961#else
1962    j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1963#endif
1964#ifndef OPENSSL_SYS_VMS
1965    j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1966#else
1967    j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1968#endif
1969#ifdef RL_DEBUG
1970    BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1971#endif
1972    if (BIO_write_filename(out, buf[0]) <= 0) {
1973        perror(dbfile);
1974        BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1975        goto err;
1976    }
1977    j = TXT_DB_write(out, db->db);
1978    if (j <= 0)
1979        goto err;
1980
1981    BIO_free(out);
1982
1983    out = BIO_new(BIO_s_file());
1984#ifdef RL_DEBUG
1985    BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1986#endif
1987    if (BIO_write_filename(out, buf[1]) <= 0) {
1988        perror(buf[2]);
1989        BIO_printf(bio_err, "unable to open '%s'\n", buf[2]);
1990        goto err;
1991    }
1992    BIO_printf(out, "unique_subject = %s\n",
1993               db->attributes.unique_subject ? "yes" : "no");
1994    BIO_free(out);
1995
1996    return 1;
1997 err:
1998    return 0;
1999}
2000
2001int rotate_index(const char *dbfile, const char *new_suffix,
2002                 const char *old_suffix)
2003{
2004    char buf[5][BSIZE];
2005    int i, j;
2006
2007    i = strlen(dbfile) + strlen(old_suffix);
2008    j = strlen(dbfile) + strlen(new_suffix);
2009    if (i > j)
2010        j = i;
2011    if (j + 6 >= BSIZE) {
2012        BIO_printf(bio_err, "file name too long\n");
2013        goto err;
2014    }
2015#ifndef OPENSSL_SYS_VMS
2016    j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
2017#else
2018    j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
2019#endif
2020#ifndef OPENSSL_SYS_VMS
2021    j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s", dbfile, new_suffix);
2022#else
2023    j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s", dbfile, new_suffix);
2024#endif
2025#ifndef OPENSSL_SYS_VMS
2026    j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, new_suffix);
2027#else
2028    j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, new_suffix);
2029#endif
2030#ifndef OPENSSL_SYS_VMS
2031    j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", dbfile, old_suffix);
2032#else
2033    j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", dbfile, old_suffix);
2034#endif
2035#ifndef OPENSSL_SYS_VMS
2036    j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s", dbfile, old_suffix);
2037#else
2038    j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s", dbfile, old_suffix);
2039#endif
2040#ifdef RL_DEBUG
2041    BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", dbfile, buf[1]);
2042#endif
2043    if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
2044#ifdef ENOTDIR
2045        && errno != ENOTDIR
2046#endif
2047        ) {
2048        BIO_printf(bio_err, "unable to rename %s to %s\n", dbfile, buf[1]);
2049        perror("reason");
2050        goto err;
2051    }
2052#ifdef RL_DEBUG
2053    BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[0], dbfile);
2054#endif
2055    if (rename(buf[0], dbfile) < 0) {
2056        BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], dbfile);
2057        perror("reason");
2058        rename(buf[1], dbfile);
2059        goto err;
2060    }
2061#ifdef RL_DEBUG
2062    BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[4], buf[3]);
2063#endif
2064    if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
2065#ifdef ENOTDIR
2066        && errno != ENOTDIR
2067#endif
2068        ) {
2069        BIO_printf(bio_err, "unable to rename %s to %s\n", buf[4], buf[3]);
2070        perror("reason");
2071        rename(dbfile, buf[0]);
2072        rename(buf[1], dbfile);
2073        goto err;
2074    }
2075#ifdef RL_DEBUG
2076    BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[2], buf[4]);
2077#endif
2078    if (rename(buf[2], buf[4]) < 0) {
2079        BIO_printf(bio_err, "unable to rename %s to %s\n", buf[2], buf[4]);
2080        perror("reason");
2081        rename(buf[3], buf[4]);
2082        rename(dbfile, buf[0]);
2083        rename(buf[1], dbfile);
2084        goto err;
2085    }
2086    return 1;
2087 err:
2088    return 0;
2089}
2090
2091void free_index(CA_DB *db)
2092{
2093    if (db) {
2094        if (db->db)
2095            TXT_DB_free(db->db);
2096        OPENSSL_free(db);
2097    }
2098}
2099
2100int parse_yesno(const char *str, int def)
2101{
2102    int ret = def;
2103    if (str) {
2104        switch (*str) {
2105        case 'f':              /* false */
2106        case 'F':              /* FALSE */
2107        case 'n':              /* no */
2108        case 'N':              /* NO */
2109        case '0':              /* 0 */
2110            ret = 0;
2111            break;
2112        case 't':              /* true */
2113        case 'T':              /* TRUE */
2114        case 'y':              /* yes */
2115        case 'Y':              /* YES */
2116        case '1':              /* 1 */
2117            ret = 1;
2118            break;
2119        default:
2120            ret = def;
2121            break;
2122        }
2123    }
2124    return ret;
2125}
2126
2127/*
2128 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2129 * where characters may be escaped by \
2130 */
2131X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2132{
2133    size_t buflen = strlen(subject) + 1; /* to copy the types and values
2134                                          * into. due to escaping, the copy
2135                                          * can only become shorter */
2136    char *buf = OPENSSL_malloc(buflen);
2137    size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2138    char **ne_types = OPENSSL_malloc(max_ne * sizeof(char *));
2139    char **ne_values = OPENSSL_malloc(max_ne * sizeof(char *));
2140    int *mval = OPENSSL_malloc(max_ne * sizeof(int));
2141
2142    char *sp = subject, *bp = buf;
2143    int i, ne_num = 0;
2144
2145    X509_NAME *n = NULL;
2146    int nid;
2147
2148    if (!buf || !ne_types || !ne_values || !mval) {
2149        BIO_printf(bio_err, "malloc error\n");
2150        goto error;
2151    }
2152
2153    if (*subject != '/') {
2154        BIO_printf(bio_err, "Subject does not start with '/'.\n");
2155        goto error;
2156    }
2157    sp++;                       /* skip leading / */
2158
2159    /* no multivalued RDN by default */
2160    mval[ne_num] = 0;
2161
2162    while (*sp) {
2163        /* collect type */
2164        ne_types[ne_num] = bp;
2165        while (*sp) {
2166            if (*sp == '\\') {  /* is there anything to escape in the
2167                                 * type...? */
2168                if (*++sp)
2169                    *bp++ = *sp++;
2170                else {
2171                    BIO_printf(bio_err,
2172                               "escape character at end of string\n");
2173                    goto error;
2174                }
2175            } else if (*sp == '=') {
2176                sp++;
2177                *bp++ = '\0';
2178                break;
2179            } else
2180                *bp++ = *sp++;
2181        }
2182        if (!*sp) {
2183            BIO_printf(bio_err,
2184                       "end of string encountered while processing type of subject name element #%d\n",
2185                       ne_num);
2186            goto error;
2187        }
2188        ne_values[ne_num] = bp;
2189        while (*sp) {
2190            if (*sp == '\\') {
2191                if (*++sp)
2192                    *bp++ = *sp++;
2193                else {
2194                    BIO_printf(bio_err,
2195                               "escape character at end of string\n");
2196                    goto error;
2197                }
2198            } else if (*sp == '/') {
2199                sp++;
2200                /* no multivalued RDN by default */
2201                mval[ne_num + 1] = 0;
2202                break;
2203            } else if (*sp == '+' && multirdn) {
2204                /*
2205                 * a not escaped + signals a mutlivalued RDN
2206                 */
2207                sp++;
2208                mval[ne_num + 1] = -1;
2209                break;
2210            } else
2211                *bp++ = *sp++;
2212        }
2213        *bp++ = '\0';
2214        ne_num++;
2215    }
2216
2217    if (!(n = X509_NAME_new()))
2218        goto error;
2219
2220    for (i = 0; i < ne_num; i++) {
2221        if ((nid = OBJ_txt2nid(ne_types[i])) == NID_undef) {
2222            BIO_printf(bio_err,
2223                       "Subject Attribute %s has no known NID, skipped\n",
2224                       ne_types[i]);
2225            continue;
2226        }
2227
2228        if (!*ne_values[i]) {
2229            BIO_printf(bio_err,
2230                       "No value provided for Subject Attribute %s, skipped\n",
2231                       ne_types[i]);
2232            continue;
2233        }
2234
2235        if (!X509_NAME_add_entry_by_NID
2236            (n, nid, chtype, (unsigned char *)ne_values[i], -1, -1, mval[i]))
2237            goto error;
2238    }
2239
2240    OPENSSL_free(ne_values);
2241    OPENSSL_free(ne_types);
2242    OPENSSL_free(buf);
2243    OPENSSL_free(mval);
2244    return n;
2245
2246 error:
2247    X509_NAME_free(n);
2248    if (ne_values)
2249        OPENSSL_free(ne_values);
2250    if (ne_types)
2251        OPENSSL_free(ne_types);
2252    if (mval)
2253        OPENSSL_free(mval);
2254    if (buf)
2255        OPENSSL_free(buf);
2256    return NULL;
2257}
2258
2259int args_verify(char ***pargs, int *pargc,
2260                int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2261{
2262    ASN1_OBJECT *otmp = NULL;
2263    unsigned long flags = 0;
2264    int i;
2265    int purpose = 0, depth = -1;
2266    char **oldargs = *pargs;
2267    char *arg = **pargs, *argn = (*pargs)[1];
2268    time_t at_time = 0;
2269    char *hostname = NULL;
2270    char *email = NULL;
2271    char *ipasc = NULL;
2272    if (!strcmp(arg, "-policy")) {
2273        if (!argn)
2274            *badarg = 1;
2275        else {
2276            otmp = OBJ_txt2obj(argn, 0);
2277            if (!otmp) {
2278                BIO_printf(err, "Invalid Policy \"%s\"\n", argn);
2279                *badarg = 1;
2280            }
2281        }
2282        (*pargs)++;
2283    } else if (strcmp(arg, "-purpose") == 0) {
2284        X509_PURPOSE *xptmp;
2285        if (!argn)
2286            *badarg = 1;
2287        else {
2288            i = X509_PURPOSE_get_by_sname(argn);
2289            if (i < 0) {
2290                BIO_printf(err, "unrecognized purpose\n");
2291                *badarg = 1;
2292            } else {
2293                xptmp = X509_PURPOSE_get0(i);
2294                purpose = X509_PURPOSE_get_id(xptmp);
2295            }
2296        }
2297        (*pargs)++;
2298    } else if (strcmp(arg, "-verify_depth") == 0) {
2299        if (!argn)
2300            *badarg = 1;
2301        else {
2302            depth = atoi(argn);
2303            if (depth < 0) {
2304                BIO_printf(err, "invalid depth\n");
2305                *badarg = 1;
2306            }
2307        }
2308        (*pargs)++;
2309    } else if (strcmp(arg, "-attime") == 0) {
2310        if (!argn)
2311            *badarg = 1;
2312        else {
2313            long timestamp;
2314            /*
2315             * interpret the -attime argument as seconds since Epoch
2316             */
2317            if (sscanf(argn, "%li", &timestamp) != 1) {
2318                BIO_printf(bio_err, "Error parsing timestamp %s\n", argn);
2319                *badarg = 1;
2320            }
2321            /* on some platforms time_t may be a float */
2322            at_time = (time_t)timestamp;
2323        }
2324        (*pargs)++;
2325    } else if (strcmp(arg, "-verify_hostname") == 0) {
2326        if (!argn)
2327            *badarg = 1;
2328        hostname = argn;
2329        (*pargs)++;
2330    } else if (strcmp(arg, "-verify_email") == 0) {
2331        if (!argn)
2332            *badarg = 1;
2333        email = argn;
2334        (*pargs)++;
2335    } else if (strcmp(arg, "-verify_ip") == 0) {
2336        if (!argn)
2337            *badarg = 1;
2338        ipasc = argn;
2339        (*pargs)++;
2340    } else if (!strcmp(arg, "-ignore_critical"))
2341        flags |= X509_V_FLAG_IGNORE_CRITICAL;
2342    else if (!strcmp(arg, "-issuer_checks"))
2343        flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2344    else if (!strcmp(arg, "-crl_check"))
2345        flags |= X509_V_FLAG_CRL_CHECK;
2346    else if (!strcmp(arg, "-crl_check_all"))
2347        flags |= X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL;
2348    else if (!strcmp(arg, "-policy_check"))
2349        flags |= X509_V_FLAG_POLICY_CHECK;
2350    else if (!strcmp(arg, "-explicit_policy"))
2351        flags |= X509_V_FLAG_EXPLICIT_POLICY;
2352    else if (!strcmp(arg, "-inhibit_any"))
2353        flags |= X509_V_FLAG_INHIBIT_ANY;
2354    else if (!strcmp(arg, "-inhibit_map"))
2355        flags |= X509_V_FLAG_INHIBIT_MAP;
2356    else if (!strcmp(arg, "-x509_strict"))
2357        flags |= X509_V_FLAG_X509_STRICT;
2358    else if (!strcmp(arg, "-extended_crl"))
2359        flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2360    else if (!strcmp(arg, "-use_deltas"))
2361        flags |= X509_V_FLAG_USE_DELTAS;
2362    else if (!strcmp(arg, "-policy_print"))
2363        flags |= X509_V_FLAG_NOTIFY_POLICY;
2364    else if (!strcmp(arg, "-check_ss_sig"))
2365        flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2366    else if (!strcmp(arg, "-trusted_first"))
2367        flags |= X509_V_FLAG_TRUSTED_FIRST;
2368    else if (!strcmp(arg, "-suiteB_128_only"))
2369        flags |= X509_V_FLAG_SUITEB_128_LOS_ONLY;
2370    else if (!strcmp(arg, "-suiteB_128"))
2371        flags |= X509_V_FLAG_SUITEB_128_LOS;
2372    else if (!strcmp(arg, "-suiteB_192"))
2373        flags |= X509_V_FLAG_SUITEB_192_LOS;
2374    else if (!strcmp(arg, "-partial_chain"))
2375        flags |= X509_V_FLAG_PARTIAL_CHAIN;
2376    else if (!strcmp(arg, "-no_alt_chains"))
2377        flags |= X509_V_FLAG_NO_ALT_CHAINS;
2378    else if (!strcmp(arg, "-allow_proxy_certs"))
2379        flags |= X509_V_FLAG_ALLOW_PROXY_CERTS;
2380    else
2381        return 0;
2382
2383    if (*badarg) {
2384        if (*pm)
2385            X509_VERIFY_PARAM_free(*pm);
2386        *pm = NULL;
2387        goto end;
2388    }
2389
2390    if (!*pm && !(*pm = X509_VERIFY_PARAM_new())) {
2391        *badarg = 1;
2392        goto end;
2393    }
2394
2395    if (otmp)
2396        X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2397    if (flags)
2398        X509_VERIFY_PARAM_set_flags(*pm, flags);
2399
2400    if (purpose)
2401        X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2402
2403    if (depth >= 0)
2404        X509_VERIFY_PARAM_set_depth(*pm, depth);
2405
2406    if (at_time)
2407        X509_VERIFY_PARAM_set_time(*pm, at_time);
2408
2409    if (hostname && !X509_VERIFY_PARAM_set1_host(*pm, hostname, 0))
2410        *badarg = 1;
2411
2412    if (email && !X509_VERIFY_PARAM_set1_email(*pm, email, 0))
2413        *badarg = 1;
2414
2415    if (ipasc && !X509_VERIFY_PARAM_set1_ip_asc(*pm, ipasc))
2416        *badarg = 1;
2417
2418 end:
2419
2420    (*pargs)++;
2421
2422    if (pargc)
2423        *pargc -= *pargs - oldargs;
2424
2425    return 1;
2426
2427}
2428
2429/*
2430 * Read whole contents of a BIO into an allocated memory buffer and return
2431 * it.
2432 */
2433
2434int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2435{
2436    BIO *mem;
2437    int len, ret;
2438    unsigned char tbuf[1024];
2439    mem = BIO_new(BIO_s_mem());
2440    if (!mem)
2441        return -1;
2442    for (;;) {
2443        if ((maxlen != -1) && maxlen < 1024)
2444            len = maxlen;
2445        else
2446            len = 1024;
2447        len = BIO_read(in, tbuf, len);
2448        if (len < 0) {
2449            BIO_free(mem);
2450            return -1;
2451        }
2452        if (len == 0)
2453            break;
2454        if (BIO_write(mem, tbuf, len) != len) {
2455            BIO_free(mem);
2456            return -1;
2457        }
2458        maxlen -= len;
2459
2460        if (maxlen == 0)
2461            break;
2462    }
2463    ret = BIO_get_mem_data(mem, (char **)out);
2464    BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2465    BIO_free(mem);
2466    return ret;
2467}
2468
2469int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
2470{
2471    int rv;
2472    char *stmp, *vtmp = NULL;
2473    stmp = BUF_strdup(value);
2474    if (!stmp)
2475        return -1;
2476    vtmp = strchr(stmp, ':');
2477    if (vtmp) {
2478        *vtmp = 0;
2479        vtmp++;
2480    }
2481    rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2482    OPENSSL_free(stmp);
2483    return rv;
2484}
2485
2486static void nodes_print(BIO *out, const char *name,
2487                        STACK_OF(X509_POLICY_NODE) *nodes)
2488{
2489    X509_POLICY_NODE *node;
2490    int i;
2491    BIO_printf(out, "%s Policies:", name);
2492    if (nodes) {
2493        BIO_puts(out, "\n");
2494        for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2495            node = sk_X509_POLICY_NODE_value(nodes, i);
2496            X509_POLICY_NODE_print(out, node, 2);
2497        }
2498    } else
2499        BIO_puts(out, " <empty>\n");
2500}
2501
2502void policies_print(BIO *out, X509_STORE_CTX *ctx)
2503{
2504    X509_POLICY_TREE *tree;
2505    int explicit_policy;
2506    int free_out = 0;
2507    if (out == NULL) {
2508        out = BIO_new_fp(stderr, BIO_NOCLOSE);
2509        free_out = 1;
2510    }
2511    tree = X509_STORE_CTX_get0_policy_tree(ctx);
2512    explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2513
2514    BIO_printf(out, "Require explicit Policy: %s\n",
2515               explicit_policy ? "True" : "False");
2516
2517    nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2518    nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2519    if (free_out)
2520        BIO_free(out);
2521}
2522
2523#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2524
2525static JPAKE_CTX *jpake_init(const char *us, const char *them,
2526                             const char *secret)
2527{
2528    BIGNUM *p = NULL;
2529    BIGNUM *g = NULL;
2530    BIGNUM *q = NULL;
2531    BIGNUM *bnsecret = BN_new();
2532    JPAKE_CTX *ctx;
2533
2534    /* Use a safe prime for p (that we found earlier) */
2535    BN_hex2bn(&p,
2536              "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2537    g = BN_new();
2538    BN_set_word(g, 2);
2539    q = BN_new();
2540    BN_rshift1(q, p);
2541
2542    BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2543
2544    ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2545    BN_free(bnsecret);
2546    BN_free(q);
2547    BN_free(g);
2548    BN_free(p);
2549
2550    return ctx;
2551}
2552
2553static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2554{
2555    BN_print(conn, p->gx);
2556    BIO_puts(conn, "\n");
2557    BN_print(conn, p->zkpx.gr);
2558    BIO_puts(conn, "\n");
2559    BN_print(conn, p->zkpx.b);
2560    BIO_puts(conn, "\n");
2561}
2562
2563static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2564{
2565    JPAKE_STEP1 s1;
2566
2567    JPAKE_STEP1_init(&s1);
2568    JPAKE_STEP1_generate(&s1, ctx);
2569    jpake_send_part(bconn, &s1.p1);
2570    jpake_send_part(bconn, &s1.p2);
2571    (void)BIO_flush(bconn);
2572    JPAKE_STEP1_release(&s1);
2573}
2574
2575static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2576{
2577    JPAKE_STEP2 s2;
2578
2579    JPAKE_STEP2_init(&s2);
2580    JPAKE_STEP2_generate(&s2, ctx);
2581    jpake_send_part(bconn, &s2);
2582    (void)BIO_flush(bconn);
2583    JPAKE_STEP2_release(&s2);
2584}
2585
2586static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2587{
2588    JPAKE_STEP3A s3a;
2589
2590    JPAKE_STEP3A_init(&s3a);
2591    JPAKE_STEP3A_generate(&s3a, ctx);
2592    BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2593    (void)BIO_flush(bconn);
2594    JPAKE_STEP3A_release(&s3a);
2595}
2596
2597static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2598{
2599    JPAKE_STEP3B s3b;
2600
2601    JPAKE_STEP3B_init(&s3b);
2602    JPAKE_STEP3B_generate(&s3b, ctx);
2603    BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2604    (void)BIO_flush(bconn);
2605    JPAKE_STEP3B_release(&s3b);
2606}
2607
2608static void readbn(BIGNUM **bn, BIO *bconn)
2609{
2610    char buf[10240];
2611    int l;
2612
2613    l = BIO_gets(bconn, buf, sizeof buf);
2614    assert(l > 0);
2615    assert(buf[l - 1] == '\n');
2616    buf[l - 1] = '\0';
2617    BN_hex2bn(bn, buf);
2618}
2619
2620static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2621{
2622    readbn(&p->gx, bconn);
2623    readbn(&p->zkpx.gr, bconn);
2624    readbn(&p->zkpx.b, bconn);
2625}
2626
2627static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2628{
2629    JPAKE_STEP1 s1;
2630
2631    JPAKE_STEP1_init(&s1);
2632    jpake_receive_part(&s1.p1, bconn);
2633    jpake_receive_part(&s1.p2, bconn);
2634    if (!JPAKE_STEP1_process(ctx, &s1)) {
2635        ERR_print_errors(bio_err);
2636        exit(1);
2637    }
2638    JPAKE_STEP1_release(&s1);
2639}
2640
2641static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2642{
2643    JPAKE_STEP2 s2;
2644
2645    JPAKE_STEP2_init(&s2);
2646    jpake_receive_part(&s2, bconn);
2647    if (!JPAKE_STEP2_process(ctx, &s2)) {
2648        ERR_print_errors(bio_err);
2649        exit(1);
2650    }
2651    JPAKE_STEP2_release(&s2);
2652}
2653
2654static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2655{
2656    JPAKE_STEP3A s3a;
2657    int l;
2658
2659    JPAKE_STEP3A_init(&s3a);
2660    l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2661    assert(l == sizeof s3a.hhk);
2662    if (!JPAKE_STEP3A_process(ctx, &s3a)) {
2663        ERR_print_errors(bio_err);
2664        exit(1);
2665    }
2666    JPAKE_STEP3A_release(&s3a);
2667}
2668
2669static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2670{
2671    JPAKE_STEP3B s3b;
2672    int l;
2673
2674    JPAKE_STEP3B_init(&s3b);
2675    l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2676    assert(l == sizeof s3b.hk);
2677    if (!JPAKE_STEP3B_process(ctx, &s3b)) {
2678        ERR_print_errors(bio_err);
2679        exit(1);
2680    }
2681    JPAKE_STEP3B_release(&s3b);
2682}
2683
2684void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2685{
2686    JPAKE_CTX *ctx;
2687    BIO *bconn;
2688
2689    BIO_puts(out, "Authenticating with JPAKE\n");
2690
2691    ctx = jpake_init("client", "server", secret);
2692
2693    bconn = BIO_new(BIO_f_buffer());
2694    BIO_push(bconn, conn);
2695
2696    jpake_send_step1(bconn, ctx);
2697    jpake_receive_step1(ctx, bconn);
2698    jpake_send_step2(bconn, ctx);
2699    jpake_receive_step2(ctx, bconn);
2700    jpake_send_step3a(bconn, ctx);
2701    jpake_receive_step3b(ctx, bconn);
2702
2703    BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2704
2705    if (psk_key)
2706        OPENSSL_free(psk_key);
2707
2708    psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2709
2710    BIO_pop(bconn);
2711    BIO_free(bconn);
2712
2713    JPAKE_CTX_free(ctx);
2714}
2715
2716void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2717{
2718    JPAKE_CTX *ctx;
2719    BIO *bconn;
2720
2721    BIO_puts(out, "Authenticating with JPAKE\n");
2722
2723    ctx = jpake_init("server", "client", secret);
2724
2725    bconn = BIO_new(BIO_f_buffer());
2726    BIO_push(bconn, conn);
2727
2728    jpake_receive_step1(ctx, bconn);
2729    jpake_send_step1(bconn, ctx);
2730    jpake_receive_step2(ctx, bconn);
2731    jpake_send_step2(bconn, ctx);
2732    jpake_receive_step3a(ctx, bconn);
2733    jpake_send_step3b(bconn, ctx);
2734
2735    BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2736
2737    if (psk_key)
2738        OPENSSL_free(psk_key);
2739
2740    psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2741
2742    BIO_pop(bconn);
2743    BIO_free(bconn);
2744
2745    JPAKE_CTX_free(ctx);
2746}
2747
2748#endif
2749
2750#ifndef OPENSSL_NO_TLSEXT
2751/*-
2752 * next_protos_parse parses a comma separated list of strings into a string
2753 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2754 *   outlen: (output) set to the length of the resulting buffer on success.
2755 *   err: (maybe NULL) on failure, an error message line is written to this BIO.
2756 *   in: a NUL termianted string like "abc,def,ghi"
2757 *
2758 *   returns: a malloced buffer or NULL on failure.
2759 */
2760unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
2761{
2762    size_t len;
2763    unsigned char *out;
2764    size_t i, start = 0;
2765
2766    len = strlen(in);
2767    if (len >= 65535)
2768        return NULL;
2769
2770    out = OPENSSL_malloc(strlen(in) + 1);
2771    if (!out)
2772        return NULL;
2773
2774    for (i = 0; i <= len; ++i) {
2775        if (i == len || in[i] == ',') {
2776            if (i - start > 255) {
2777                OPENSSL_free(out);
2778                return NULL;
2779            }
2780            out[start] = i - start;
2781            start = i + 1;
2782        } else
2783            out[i + 1] = in[i];
2784    }
2785
2786    *outlen = len + 1;
2787    return out;
2788}
2789#endif                          /* ndef OPENSSL_NO_TLSEXT */
2790
2791void print_cert_checks(BIO *bio, X509 *x,
2792                       const char *checkhost,
2793                       const char *checkemail, const char *checkip)
2794{
2795    if (x == NULL)
2796        return;
2797    if (checkhost) {
2798        BIO_printf(bio, "Hostname %s does%s match certificate\n",
2799                   checkhost, X509_check_host(x, checkhost, 0, 0, NULL) == 1
2800                   ? "" : " NOT");
2801    }
2802
2803    if (checkemail) {
2804        BIO_printf(bio, "Email %s does%s match certificate\n",
2805                   checkemail, X509_check_email(x, checkemail, 0,
2806                                                0) ? "" : " NOT");
2807    }
2808
2809    if (checkip) {
2810        BIO_printf(bio, "IP %s does%s match certificate\n",
2811                   checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2812    }
2813}
2814
2815/* Get first http URL from a DIST_POINT structure */
2816
2817static const char *get_dp_url(DIST_POINT *dp)
2818{
2819    GENERAL_NAMES *gens;
2820    GENERAL_NAME *gen;
2821    int i, gtype;
2822    ASN1_STRING *uri;
2823    if (!dp->distpoint || dp->distpoint->type != 0)
2824        return NULL;
2825    gens = dp->distpoint->name.fullname;
2826    for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2827        gen = sk_GENERAL_NAME_value(gens, i);
2828        uri = GENERAL_NAME_get0_value(gen, &gtype);
2829        if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2830            char *uptr = (char *)ASN1_STRING_data(uri);
2831            if (!strncmp(uptr, "http://", 7))
2832                return uptr;
2833        }
2834    }
2835    return NULL;
2836}
2837
2838/*
2839 * Look through a CRLDP structure and attempt to find an http URL to
2840 * downloads a CRL from.
2841 */
2842
2843static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2844{
2845    int i;
2846    const char *urlptr = NULL;
2847    for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2848        DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2849        urlptr = get_dp_url(dp);
2850        if (urlptr)
2851            return load_crl(urlptr, FORMAT_HTTP);
2852    }
2853    return NULL;
2854}
2855
2856/*
2857 * Example of downloading CRLs from CRLDP: not usable for real world as it
2858 * always downloads, doesn't support non-blocking I/O and doesn't cache
2859 * anything.
2860 */
2861
2862static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
2863{
2864    X509 *x;
2865    STACK_OF(X509_CRL) *crls = NULL;
2866    X509_CRL *crl;
2867    STACK_OF(DIST_POINT) *crldp;
2868    x = X509_STORE_CTX_get_current_cert(ctx);
2869    crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2870    crl = load_crl_crldp(crldp);
2871    sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2872    if (!crl)
2873        return NULL;
2874    crls = sk_X509_CRL_new_null();
2875    sk_X509_CRL_push(crls, crl);
2876    /* Try to download delta CRL */
2877    crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2878    crl = load_crl_crldp(crldp);
2879    sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2880    if (crl)
2881        sk_X509_CRL_push(crls, crl);
2882    return crls;
2883}
2884
2885void store_setup_crl_download(X509_STORE *st)
2886{
2887    X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2888}
2889
2890/*
2891 * Platform-specific sections
2892 */
2893#if defined(_WIN32)
2894# ifdef fileno
2895#  undef fileno
2896#  define fileno(a) (int)_fileno(a)
2897# endif
2898
2899# include <windows.h>
2900# include <tchar.h>
2901
2902static int WIN32_rename(const char *from, const char *to)
2903{
2904    TCHAR *tfrom = NULL, *tto;
2905    DWORD err;
2906    int ret = 0;
2907
2908    if (sizeof(TCHAR) == 1) {
2909        tfrom = (TCHAR *)from;
2910        tto = (TCHAR *)to;
2911    } else {                    /* UNICODE path */
2912
2913        size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2914        tfrom = (TCHAR *)malloc(sizeof(TCHAR) * (flen + tlen));
2915        if (tfrom == NULL)
2916            goto err;
2917        tto = tfrom + flen;
2918# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2919        if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2920# endif
2921            for (i = 0; i < flen; i++)
2922                tfrom[i] = (TCHAR)from[i];
2923# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2924        if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2925# endif
2926            for (i = 0; i < tlen; i++)
2927                tto[i] = (TCHAR)to[i];
2928    }
2929
2930    if (MoveFile(tfrom, tto))
2931        goto ok;
2932    err = GetLastError();
2933    if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2934        if (DeleteFile(tto) && MoveFile(tfrom, tto))
2935            goto ok;
2936        err = GetLastError();
2937    }
2938    if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2939        errno = ENOENT;
2940    else if (err == ERROR_ACCESS_DENIED)
2941        errno = EACCES;
2942    else
2943        errno = EINVAL;         /* we could map more codes... */
2944 err:
2945    ret = -1;
2946 ok:
2947    if (tfrom != NULL && tfrom != (TCHAR *)from)
2948        free(tfrom);
2949    return ret;
2950}
2951#endif
2952
2953/* app_tminterval section */
2954#if defined(_WIN32)
2955double app_tminterval(int stop, int usertime)
2956{
2957    FILETIME now;
2958    double ret = 0;
2959    static ULARGE_INTEGER tmstart;
2960    static int warning = 1;
2961# ifdef _WIN32_WINNT
2962    static HANDLE proc = NULL;
2963
2964    if (proc == NULL) {
2965        if (check_winnt())
2966            proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2967                               GetCurrentProcessId());
2968        if (proc == NULL)
2969            proc = (HANDLE) - 1;
2970    }
2971
2972    if (usertime && proc != (HANDLE) - 1) {
2973        FILETIME junk;
2974        GetProcessTimes(proc, &junk, &junk, &junk, &now);
2975    } else
2976# endif
2977    {
2978        SYSTEMTIME systime;
2979
2980        if (usertime && warning) {
2981            BIO_printf(bio_err, "To get meaningful results, run "
2982                       "this program on idle system.\n");
2983            warning = 0;
2984        }
2985        GetSystemTime(&systime);
2986        SystemTimeToFileTime(&systime, &now);
2987    }
2988
2989    if (stop == TM_START) {
2990        tmstart.u.LowPart = now.dwLowDateTime;
2991        tmstart.u.HighPart = now.dwHighDateTime;
2992    } else {
2993        ULARGE_INTEGER tmstop;
2994
2995        tmstop.u.LowPart = now.dwLowDateTime;
2996        tmstop.u.HighPart = now.dwHighDateTime;
2997
2998        ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2999    }
3000
3001    return (ret);
3002}
3003
3004#elif defined(OPENSSL_SYS_NETWARE)
3005# include <time.h>
3006
3007double app_tminterval(int stop, int usertime)
3008{
3009    double ret = 0;
3010    static clock_t tmstart;
3011    static int warning = 1;
3012
3013    if (usertime && warning) {
3014        BIO_printf(bio_err, "To get meaningful results, run "
3015                   "this program on idle system.\n");
3016        warning = 0;
3017    }
3018
3019    if (stop == TM_START)
3020        tmstart = clock();
3021    else
3022        ret = (clock() - tmstart) / (double)CLOCKS_PER_SEC;
3023
3024    return (ret);
3025}
3026
3027#elif defined(OPENSSL_SYSTEM_VXWORKS)
3028# include <time.h>
3029
3030double app_tminterval(int stop, int usertime)
3031{
3032    double ret = 0;
3033# ifdef CLOCK_REALTIME
3034    static struct timespec tmstart;
3035    struct timespec now;
3036# else
3037    static unsigned long tmstart;
3038    unsigned long now;
3039# endif
3040    static int warning = 1;
3041
3042    if (usertime && warning) {
3043        BIO_printf(bio_err, "To get meaningful results, run "
3044                   "this program on idle system.\n");
3045        warning = 0;
3046    }
3047# ifdef CLOCK_REALTIME
3048    clock_gettime(CLOCK_REALTIME, &now);
3049    if (stop == TM_START)
3050        tmstart = now;
3051    else
3052        ret = ((now.tv_sec + now.tv_nsec * 1e-9)
3053               - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
3054# else
3055    now = tickGet();
3056    if (stop == TM_START)
3057        tmstart = now;
3058    else
3059        ret = (now - tmstart) / (double)sysClkRateGet();
3060# endif
3061    return (ret);
3062}
3063
3064#elif defined(OPENSSL_SYSTEM_VMS)
3065# include <time.h>
3066# include <times.h>
3067
3068double app_tminterval(int stop, int usertime)
3069{
3070    static clock_t tmstart;
3071    double ret = 0;
3072    clock_t now;
3073# ifdef __TMS
3074    struct tms rus;
3075
3076    now = times(&rus);
3077    if (usertime)
3078        now = rus.tms_utime;
3079# else
3080    if (usertime)
3081        now = clock();          /* sum of user and kernel times */
3082    else {
3083        struct timeval tv;
3084        gettimeofday(&tv, NULL);
3085        now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK +
3086                        (unsigned long long)tv.tv_usec * (1000000 / CLK_TCK)
3087            );
3088    }
3089# endif
3090    if (stop == TM_START)
3091        tmstart = now;
3092    else
3093        ret = (now - tmstart) / (double)(CLK_TCK);
3094
3095    return (ret);
3096}
3097
3098#elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
3099# include <sys/times.h>
3100
3101double app_tminterval(int stop, int usertime)
3102{
3103    double ret = 0;
3104    struct tms rus;
3105    clock_t now = times(&rus);
3106    static clock_t tmstart;
3107
3108    if (usertime)
3109        now = rus.tms_utime;
3110
3111    if (stop == TM_START)
3112        tmstart = now;
3113    else {
3114        long int tck = sysconf(_SC_CLK_TCK);
3115        ret = (now - tmstart) / (double)tck;
3116    }
3117
3118    return (ret);
3119}
3120
3121#else
3122# include <sys/time.h>
3123# include <sys/resource.h>
3124
3125double app_tminterval(int stop, int usertime)
3126{
3127    double ret = 0;
3128    struct rusage rus;
3129    struct timeval now;
3130    static struct timeval tmstart;
3131
3132    if (usertime)
3133        getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
3134    else
3135        gettimeofday(&now, NULL);
3136
3137    if (stop == TM_START)
3138        tmstart = now;
3139    else
3140        ret = ((now.tv_sec + now.tv_usec * 1e-6)
3141               - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
3142
3143    return ret;
3144}
3145#endif
3146
3147/* app_isdir section */
3148#ifdef _WIN32
3149int app_isdir(const char *name)
3150{
3151    HANDLE hList;
3152    WIN32_FIND_DATA FileData;
3153# if defined(UNICODE) || defined(_UNICODE)
3154    size_t i, len_0 = strlen(name) + 1;
3155
3156    if (len_0 > sizeof(FileData.cFileName) / sizeof(FileData.cFileName[0]))
3157        return -1;
3158
3159#  if !defined(_WIN32_WCE) || _WIN32_WCE>=101
3160    if (!MultiByteToWideChar
3161        (CP_ACP, 0, name, len_0, FileData.cFileName, len_0))
3162#  endif
3163        for (i = 0; i < len_0; i++)
3164            FileData.cFileName[i] = (WCHAR)name[i];
3165
3166    hList = FindFirstFile(FileData.cFileName, &FileData);
3167# else
3168    hList = FindFirstFile(name, &FileData);
3169# endif
3170    if (hList == INVALID_HANDLE_VALUE)
3171        return -1;
3172    FindClose(hList);
3173    return ((FileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0);
3174}
3175#else
3176# include <sys/stat.h>
3177# ifndef S_ISDIR
3178#  if defined(_S_IFMT) && defined(_S_IFDIR)
3179#   define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
3180#  else
3181#   define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
3182#  endif
3183# endif
3184
3185int app_isdir(const char *name)
3186{
3187# if defined(S_ISDIR)
3188    struct stat st;
3189
3190    if (stat(name, &st) == 0)
3191        return S_ISDIR(st.st_mode);
3192    else
3193        return -1;
3194# else
3195    return -1;
3196# endif
3197}
3198#endif
3199
3200/* raw_read|write section */
3201#if defined(__VMS)
3202# include "vms_term_sock.h"
3203static int stdin_sock = -1;
3204
3205static void close_stdin_sock(void)
3206{
3207    TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
3208}
3209
3210int fileno_stdin(void)
3211{
3212    if (stdin_sock == -1) {
3213        TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
3214        atexit(close_stdin_sock);
3215    }
3216
3217    return stdin_sock;
3218}
3219#else
3220int fileno_stdin(void)
3221{
3222    return fileno(stdin);
3223}
3224#endif
3225
3226int fileno_stdout(void)
3227{
3228    return fileno(stdout);
3229}
3230
3231#if defined(_WIN32) && defined(STD_INPUT_HANDLE)
3232int raw_read_stdin(void *buf, int siz)
3233{
3234    DWORD n;
3235    if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
3236        return (n);
3237    else
3238        return (-1);
3239}
3240#elif defined(__VMS)
3241#include <sys/socket.h>
3242
3243int raw_read_stdin(void *buf, int siz)
3244{
3245    return recv(fileno_stdin(), buf, siz, 0);
3246}
3247#else
3248int raw_read_stdin(void *buf, int siz)
3249{
3250    return read(fileno_stdin(), buf, siz);
3251}
3252#endif
3253
3254#if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
3255int raw_write_stdout(const void *buf, int siz)
3256{
3257    DWORD n;
3258    if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
3259        return (n);
3260    else
3261        return (-1);
3262}
3263#else
3264int raw_write_stdout(const void *buf, int siz)
3265{
3266    return write(fileno_stdout(), buf, siz);
3267}
3268#endif
3269