apps.c revision 296341
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#if !defined(OPENSSL_SYSNAME_WIN32) && !defined(NETWARE_CLIB)
123# include <strings.h>
124#endif
125#include <sys/types.h>
126#include <ctype.h>
127#include <errno.h>
128#include <assert.h>
129#include <openssl/err.h>
130#include <openssl/x509.h>
131#include <openssl/x509v3.h>
132#include <openssl/pem.h>
133#include <openssl/pkcs12.h>
134#include <openssl/ui.h>
135#include <openssl/safestack.h>
136#ifndef OPENSSL_NO_ENGINE
137# include <openssl/engine.h>
138#endif
139#ifndef OPENSSL_NO_RSA
140# include <openssl/rsa.h>
141#endif
142#include <openssl/bn.h>
143#ifndef OPENSSL_NO_JPAKE
144# include <openssl/jpake.h>
145#endif
146
147#define NON_MAIN
148#include "apps.h"
149#undef NON_MAIN
150
151#ifdef _WIN32
152static int WIN32_rename(const char *from, const char *to);
153# define rename(from,to) WIN32_rename((from),(to))
154#endif
155
156typedef struct {
157    const char *name;
158    unsigned long flag;
159    unsigned long mask;
160} NAME_EX_TBL;
161
162static UI_METHOD *ui_method = NULL;
163
164static int set_table_opts(unsigned long *flags, const char *arg,
165                          const NAME_EX_TBL * in_tbl);
166static int set_multi_opts(unsigned long *flags, const char *arg,
167                          const NAME_EX_TBL * in_tbl);
168
169#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
170/* Looks like this stuff is worth moving into separate function */
171static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file,
172                                   const char *key_descrip, int format);
173#endif
174
175int app_init(long mesgwin);
176#ifdef undef                    /* never finished - probably never will be
177                                 * :-) */
178int args_from_file(char *file, int *argc, char **argv[])
179{
180    FILE *fp;
181    int num, i;
182    unsigned int len;
183    static char *buf = NULL;
184    static char **arg = NULL;
185    char *p;
186
187    fp = fopen(file, "r");
188    if (fp == NULL)
189        return (0);
190
191    if (fseek(fp, 0, SEEK_END) == 0)
192        len = ftell(fp), rewind(fp);
193    else
194        len = -1;
195    if (len <= 0) {
196        fclose(fp);
197        return (0);
198    }
199
200    *argc = 0;
201    *argv = NULL;
202
203    if (buf != NULL)
204        OPENSSL_free(buf);
205    buf = (char *)OPENSSL_malloc(len + 1);
206    if (buf == NULL)
207        return (0);
208
209    len = fread(buf, 1, len, fp);
210    if (len <= 1)
211        return (0);
212    buf[len] = '\0';
213
214    i = 0;
215    for (p = buf; *p; p++)
216        if (*p == '\n')
217            i++;
218    if (arg != NULL)
219        OPENSSL_free(arg);
220    arg = (char **)OPENSSL_malloc(sizeof(char *) * (i * 2));
221
222    *argv = arg;
223    num = 0;
224    p = buf;
225    for (;;) {
226        if (!*p)
227            break;
228        if (*p == '#') {        /* comment line */
229            while (*p && (*p != '\n'))
230                p++;
231            continue;
232        }
233        /* else we have a line */
234        *(arg++) = p;
235        num++;
236        while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
237            p++;
238        if (!*p)
239            break;
240        if (*p == '\n') {
241            *(p++) = '\0';
242            continue;
243        }
244        /* else it is a tab or space */
245        p++;
246        while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
247            p++;
248        if (!*p)
249            break;
250        if (*p == '\n') {
251            p++;
252            continue;
253        }
254        *(arg++) = p++;
255        num++;
256        while (*p && (*p != '\n'))
257            p++;
258        if (!*p)
259            break;
260        /* else *p == '\n' */
261        *(p++) = '\0';
262    }
263    *argc = num;
264    return (1);
265}
266#endif
267
268int str2fmt(char *s)
269{
270    if (s == NULL)
271        return FORMAT_UNDEF;
272    if ((*s == 'D') || (*s == 'd'))
273        return (FORMAT_ASN1);
274    else if ((*s == 'T') || (*s == 't'))
275        return (FORMAT_TEXT);
276    else if ((*s == 'N') || (*s == 'n'))
277        return (FORMAT_NETSCAPE);
278    else if ((*s == 'S') || (*s == 's'))
279        return (FORMAT_SMIME);
280    else if ((*s == 'M') || (*s == 'm'))
281        return (FORMAT_MSBLOB);
282    else if ((*s == '1')
283             || (strcmp(s, "PKCS12") == 0) || (strcmp(s, "pkcs12") == 0)
284             || (strcmp(s, "P12") == 0) || (strcmp(s, "p12") == 0))
285        return (FORMAT_PKCS12);
286    else if ((*s == 'E') || (*s == 'e'))
287        return (FORMAT_ENGINE);
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
790X509 *load_cert(BIO *err, const char *file, int format,
791                const char *pass, ENGINE *e, const char *cert_descrip)
792{
793    X509 *x = NULL;
794    BIO *cert;
795
796    if ((cert = BIO_new(BIO_s_file())) == NULL) {
797        ERR_print_errors(err);
798        goto end;
799    }
800
801    if (file == NULL) {
802#ifdef _IONBF
803# ifndef OPENSSL_NO_SETVBUF_IONBF
804        setvbuf(stdin, NULL, _IONBF, 0);
805# endif                         /* ndef OPENSSL_NO_SETVBUF_IONBF */
806#endif
807        BIO_set_fp(cert, stdin, BIO_NOCLOSE);
808    } else {
809        if (BIO_read_filename(cert, file) <= 0) {
810            BIO_printf(err, "Error opening %s %s\n", cert_descrip, file);
811            ERR_print_errors(err);
812            goto end;
813        }
814    }
815
816    if (format == FORMAT_ASN1)
817        x = d2i_X509_bio(cert, NULL);
818    else if (format == FORMAT_NETSCAPE) {
819        NETSCAPE_X509 *nx;
820        nx = ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509), cert, NULL);
821        if (nx == NULL)
822            goto end;
823
824        if ((strncmp(NETSCAPE_CERT_HDR, (char *)nx->header->data,
825                     nx->header->length) != 0)) {
826            NETSCAPE_X509_free(nx);
827            BIO_printf(err, "Error reading header on certificate\n");
828            goto end;
829        }
830        x = nx->cert;
831        nx->cert = NULL;
832        NETSCAPE_X509_free(nx);
833    } else if (format == FORMAT_PEM)
834        x = PEM_read_bio_X509_AUX(cert, NULL,
835                                  (pem_password_cb *)password_callback, NULL);
836    else if (format == FORMAT_PKCS12) {
837        if (!load_pkcs12(err, cert, cert_descrip, NULL, NULL, NULL, &x, NULL))
838            goto end;
839    } else {
840        BIO_printf(err, "bad input format specified for %s\n", cert_descrip);
841        goto end;
842    }
843 end:
844    if (x == NULL) {
845        BIO_printf(err, "unable to load certificate\n");
846        ERR_print_errors(err);
847    }
848    if (cert != NULL)
849        BIO_free(cert);
850    return (x);
851}
852
853EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
854                   const char *pass, ENGINE *e, const char *key_descrip)
855{
856    BIO *key = NULL;
857    EVP_PKEY *pkey = NULL;
858    PW_CB_DATA cb_data;
859
860    cb_data.password = pass;
861    cb_data.prompt_info = file;
862
863    if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
864        BIO_printf(err, "no keyfile specified\n");
865        goto end;
866    }
867#ifndef OPENSSL_NO_ENGINE
868    if (format == FORMAT_ENGINE) {
869        if (!e)
870            BIO_printf(err, "no engine specified\n");
871        else {
872            pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data);
873            if (!pkey) {
874                BIO_printf(err, "cannot load %s from engine\n", key_descrip);
875                ERR_print_errors(err);
876            }
877        }
878        goto end;
879    }
880#endif
881    key = BIO_new(BIO_s_file());
882    if (key == NULL) {
883        ERR_print_errors(err);
884        goto end;
885    }
886    if (file == NULL && maybe_stdin) {
887#ifdef _IONBF
888# ifndef OPENSSL_NO_SETVBUF_IONBF
889        setvbuf(stdin, NULL, _IONBF, 0);
890# endif                         /* ndef OPENSSL_NO_SETVBUF_IONBF */
891#endif
892        BIO_set_fp(key, stdin, BIO_NOCLOSE);
893    } else if (BIO_read_filename(key, file) <= 0) {
894        BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
895        ERR_print_errors(err);
896        goto end;
897    }
898    if (format == FORMAT_ASN1) {
899        pkey = d2i_PrivateKey_bio(key, NULL);
900    } else if (format == FORMAT_PEM) {
901        pkey = PEM_read_bio_PrivateKey(key, NULL,
902                                       (pem_password_cb *)password_callback,
903                                       &cb_data);
904    }
905#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
906    else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
907        pkey = load_netscape_key(err, key, file, key_descrip, format);
908#endif
909    else if (format == FORMAT_PKCS12) {
910        if (!load_pkcs12(err, key, key_descrip,
911                         (pem_password_cb *)password_callback, &cb_data,
912                         &pkey, NULL, NULL))
913            goto end;
914    }
915#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
916    else if (format == FORMAT_MSBLOB)
917        pkey = b2i_PrivateKey_bio(key);
918    else if (format == FORMAT_PVK)
919        pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
920                           &cb_data);
921#endif
922    else {
923        BIO_printf(err, "bad input format specified for key file\n");
924        goto end;
925    }
926 end:
927    if (key != NULL)
928        BIO_free(key);
929    if (pkey == NULL) {
930        BIO_printf(err, "unable to load %s\n", key_descrip);
931        ERR_print_errors(err);
932    }
933    return (pkey);
934}
935
936EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
937                      const char *pass, ENGINE *e, const char *key_descrip)
938{
939    BIO *key = NULL;
940    EVP_PKEY *pkey = NULL;
941    PW_CB_DATA cb_data;
942
943    cb_data.password = pass;
944    cb_data.prompt_info = file;
945
946    if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
947        BIO_printf(err, "no keyfile specified\n");
948        goto end;
949    }
950#ifndef OPENSSL_NO_ENGINE
951    if (format == FORMAT_ENGINE) {
952        if (!e)
953            BIO_printf(bio_err, "no engine specified\n");
954        else
955            pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data);
956        goto end;
957    }
958#endif
959    key = BIO_new(BIO_s_file());
960    if (key == NULL) {
961        ERR_print_errors(err);
962        goto end;
963    }
964    if (file == NULL && maybe_stdin) {
965#ifdef _IONBF
966# ifndef OPENSSL_NO_SETVBUF_IONBF
967        setvbuf(stdin, NULL, _IONBF, 0);
968# endif                         /* ndef OPENSSL_NO_SETVBUF_IONBF */
969#endif
970        BIO_set_fp(key, stdin, BIO_NOCLOSE);
971    } else if (BIO_read_filename(key, file) <= 0) {
972        BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
973        ERR_print_errors(err);
974        goto end;
975    }
976    if (format == FORMAT_ASN1) {
977        pkey = d2i_PUBKEY_bio(key, NULL);
978    }
979#ifndef OPENSSL_NO_RSA
980    else if (format == FORMAT_ASN1RSA) {
981        RSA *rsa;
982        rsa = d2i_RSAPublicKey_bio(key, NULL);
983        if (rsa) {
984            pkey = EVP_PKEY_new();
985            if (pkey)
986                EVP_PKEY_set1_RSA(pkey, rsa);
987            RSA_free(rsa);
988        } else
989            pkey = NULL;
990    } else if (format == FORMAT_PEMRSA) {
991        RSA *rsa;
992        rsa = PEM_read_bio_RSAPublicKey(key, NULL,
993                                        (pem_password_cb *)password_callback,
994                                        &cb_data);
995        if (rsa) {
996            pkey = EVP_PKEY_new();
997            if (pkey)
998                EVP_PKEY_set1_RSA(pkey, rsa);
999            RSA_free(rsa);
1000        } else
1001            pkey = NULL;
1002    }
1003#endif
1004    else if (format == FORMAT_PEM) {
1005        pkey = PEM_read_bio_PUBKEY(key, NULL,
1006                                   (pem_password_cb *)password_callback,
1007                                   &cb_data);
1008    }
1009#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1010    else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1011        pkey = load_netscape_key(err, key, file, key_descrip, format);
1012#endif
1013#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1014    else if (format == FORMAT_MSBLOB)
1015        pkey = b2i_PublicKey_bio(key);
1016#endif
1017    else {
1018        BIO_printf(err, "bad input format specified for key file\n");
1019        goto end;
1020    }
1021 end:
1022    if (key != NULL)
1023        BIO_free(key);
1024    if (pkey == NULL)
1025        BIO_printf(err, "unable to load %s\n", key_descrip);
1026    return (pkey);
1027}
1028
1029#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1030static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file,
1031                                   const char *key_descrip, int format)
1032{
1033    EVP_PKEY *pkey;
1034    BUF_MEM *buf;
1035    RSA *rsa;
1036    const unsigned char *p;
1037    int size, i;
1038
1039    buf = BUF_MEM_new();
1040    pkey = EVP_PKEY_new();
1041    size = 0;
1042    if (buf == NULL || pkey == NULL)
1043        goto error;
1044    for (;;) {
1045        if (!BUF_MEM_grow_clean(buf, size + 1024 * 10))
1046            goto error;
1047        i = BIO_read(key, &(buf->data[size]), 1024 * 10);
1048        size += i;
1049        if (i == 0)
1050            break;
1051        if (i < 0) {
1052            BIO_printf(err, "Error reading %s %s", key_descrip, file);
1053            goto error;
1054        }
1055    }
1056    p = (unsigned char *)buf->data;
1057    rsa = d2i_RSA_NET(NULL, &p, (long)size, NULL,
1058                      (format == FORMAT_IISSGC ? 1 : 0));
1059    if (rsa == NULL)
1060        goto error;
1061    BUF_MEM_free(buf);
1062    EVP_PKEY_set1_RSA(pkey, rsa);
1063    return pkey;
1064 error:
1065    BUF_MEM_free(buf);
1066    EVP_PKEY_free(pkey);
1067    return NULL;
1068}
1069#endif                          /* ndef OPENSSL_NO_RC4 */
1070
1071static int load_certs_crls(BIO *err, const char *file, int format,
1072                           const char *pass, ENGINE *e, const char *desc,
1073                           STACK_OF(X509) **pcerts,
1074                           STACK_OF(X509_CRL) **pcrls)
1075{
1076    int i;
1077    BIO *bio;
1078    STACK_OF(X509_INFO) *xis = NULL;
1079    X509_INFO *xi;
1080    PW_CB_DATA cb_data;
1081    int rv = 0;
1082
1083    cb_data.password = pass;
1084    cb_data.prompt_info = file;
1085
1086    if (format != FORMAT_PEM) {
1087        BIO_printf(err, "bad input format specified for %s\n", desc);
1088        return 0;
1089    }
1090
1091    if (file == NULL)
1092        bio = BIO_new_fp(stdin, BIO_NOCLOSE);
1093    else
1094        bio = BIO_new_file(file, "r");
1095
1096    if (bio == NULL) {
1097        BIO_printf(err, "Error opening %s %s\n", desc, file ? file : "stdin");
1098        ERR_print_errors(err);
1099        return 0;
1100    }
1101
1102    xis = PEM_X509_INFO_read_bio(bio, NULL,
1103                                 (pem_password_cb *)password_callback,
1104                                 &cb_data);
1105
1106    BIO_free(bio);
1107
1108    if (pcerts) {
1109        *pcerts = sk_X509_new_null();
1110        if (!*pcerts)
1111            goto end;
1112    }
1113
1114    if (pcrls) {
1115        *pcrls = sk_X509_CRL_new_null();
1116        if (!*pcrls)
1117            goto end;
1118    }
1119
1120    for (i = 0; i < sk_X509_INFO_num(xis); i++) {
1121        xi = sk_X509_INFO_value(xis, i);
1122        if (xi->x509 && pcerts) {
1123            if (!sk_X509_push(*pcerts, xi->x509))
1124                goto end;
1125            xi->x509 = NULL;
1126        }
1127        if (xi->crl && pcrls) {
1128            if (!sk_X509_CRL_push(*pcrls, xi->crl))
1129                goto end;
1130            xi->crl = NULL;
1131        }
1132    }
1133
1134    if (pcerts && sk_X509_num(*pcerts) > 0)
1135        rv = 1;
1136
1137    if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1138        rv = 1;
1139
1140 end:
1141
1142    if (xis)
1143        sk_X509_INFO_pop_free(xis, X509_INFO_free);
1144
1145    if (rv == 0) {
1146        if (pcerts) {
1147            sk_X509_pop_free(*pcerts, X509_free);
1148            *pcerts = NULL;
1149        }
1150        if (pcrls) {
1151            sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1152            *pcrls = NULL;
1153        }
1154        BIO_printf(err, "unable to load %s\n",
1155                   pcerts ? "certificates" : "CRLs");
1156        ERR_print_errors(err);
1157    }
1158    return rv;
1159}
1160
1161STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1162                           const char *pass, ENGINE *e, const char *desc)
1163{
1164    STACK_OF(X509) *certs;
1165    if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL))
1166        return NULL;
1167    return certs;
1168}
1169
1170STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1171                              const char *pass, ENGINE *e, const char *desc)
1172{
1173    STACK_OF(X509_CRL) *crls;
1174    if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls))
1175        return NULL;
1176    return crls;
1177}
1178
1179#define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1180/* Return error for unknown extensions */
1181#define X509V3_EXT_DEFAULT              0
1182/* Print error for unknown extensions */
1183#define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1184/* ASN1 parse unknown extensions */
1185#define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1186/* BIO_dump unknown extensions */
1187#define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1188
1189#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1190                         X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1191
1192int set_cert_ex(unsigned long *flags, const char *arg)
1193{
1194    static const NAME_EX_TBL cert_tbl[] = {
1195        {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1196        {"ca_default", X509_FLAG_CA, 0xffffffffl},
1197        {"no_header", X509_FLAG_NO_HEADER, 0},
1198        {"no_version", X509_FLAG_NO_VERSION, 0},
1199        {"no_serial", X509_FLAG_NO_SERIAL, 0},
1200        {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1201        {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1202        {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1203        {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1204        {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1205        {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1206        {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1207        {"no_aux", X509_FLAG_NO_AUX, 0},
1208        {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1209        {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1210        {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1211        {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1212        {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1213        {NULL, 0, 0}
1214    };
1215    return set_multi_opts(flags, arg, cert_tbl);
1216}
1217
1218int set_name_ex(unsigned long *flags, const char *arg)
1219{
1220    static const NAME_EX_TBL ex_tbl[] = {
1221        {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1222        {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1223        {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1224        {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1225        {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1226        {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1227        {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1228        {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1229        {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1230        {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1231        {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1232        {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1233        {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1234        {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1235        {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1236        {"dn_rev", XN_FLAG_DN_REV, 0},
1237        {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1238        {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1239        {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1240        {"align", XN_FLAG_FN_ALIGN, 0},
1241        {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1242        {"space_eq", XN_FLAG_SPC_EQ, 0},
1243        {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1244        {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1245        {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1246        {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1247        {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1248        {NULL, 0, 0}
1249    };
1250    return set_multi_opts(flags, arg, ex_tbl);
1251}
1252
1253int set_ext_copy(int *copy_type, const char *arg)
1254{
1255    if (!strcasecmp(arg, "none"))
1256        *copy_type = EXT_COPY_NONE;
1257    else if (!strcasecmp(arg, "copy"))
1258        *copy_type = EXT_COPY_ADD;
1259    else if (!strcasecmp(arg, "copyall"))
1260        *copy_type = EXT_COPY_ALL;
1261    else
1262        return 0;
1263    return 1;
1264}
1265
1266int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1267{
1268    STACK_OF(X509_EXTENSION) *exts = NULL;
1269    X509_EXTENSION *ext, *tmpext;
1270    ASN1_OBJECT *obj;
1271    int i, idx, ret = 0;
1272    if (!x || !req || (copy_type == EXT_COPY_NONE))
1273        return 1;
1274    exts = X509_REQ_get_extensions(req);
1275
1276    for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1277        ext = sk_X509_EXTENSION_value(exts, i);
1278        obj = X509_EXTENSION_get_object(ext);
1279        idx = X509_get_ext_by_OBJ(x, obj, -1);
1280        /* Does extension exist? */
1281        if (idx != -1) {
1282            /* If normal copy don't override existing extension */
1283            if (copy_type == EXT_COPY_ADD)
1284                continue;
1285            /* Delete all extensions of same type */
1286            do {
1287                tmpext = X509_get_ext(x, idx);
1288                X509_delete_ext(x, idx);
1289                X509_EXTENSION_free(tmpext);
1290                idx = X509_get_ext_by_OBJ(x, obj, -1);
1291            } while (idx != -1);
1292        }
1293        if (!X509_add_ext(x, ext, -1))
1294            goto end;
1295    }
1296
1297    ret = 1;
1298
1299 end:
1300
1301    sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1302
1303    return ret;
1304}
1305
1306static int set_multi_opts(unsigned long *flags, const char *arg,
1307                          const NAME_EX_TBL * in_tbl)
1308{
1309    STACK_OF(CONF_VALUE) *vals;
1310    CONF_VALUE *val;
1311    int i, ret = 1;
1312    if (!arg)
1313        return 0;
1314    vals = X509V3_parse_list(arg);
1315    for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1316        val = sk_CONF_VALUE_value(vals, i);
1317        if (!set_table_opts(flags, val->name, in_tbl))
1318            ret = 0;
1319    }
1320    sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1321    return ret;
1322}
1323
1324static int set_table_opts(unsigned long *flags, const char *arg,
1325                          const NAME_EX_TBL * in_tbl)
1326{
1327    char c;
1328    const NAME_EX_TBL *ptbl;
1329    c = arg[0];
1330
1331    if (c == '-') {
1332        c = 0;
1333        arg++;
1334    } else if (c == '+') {
1335        c = 1;
1336        arg++;
1337    } else
1338        c = 1;
1339
1340    for (ptbl = in_tbl; ptbl->name; ptbl++) {
1341        if (!strcasecmp(arg, ptbl->name)) {
1342            *flags &= ~ptbl->mask;
1343            if (c)
1344                *flags |= ptbl->flag;
1345            else
1346                *flags &= ~ptbl->flag;
1347            return 1;
1348        }
1349    }
1350    return 0;
1351}
1352
1353void print_name(BIO *out, const char *title, X509_NAME *nm,
1354                unsigned long lflags)
1355{
1356    char *buf;
1357    char mline = 0;
1358    int indent = 0;
1359
1360    if (title)
1361        BIO_puts(out, title);
1362    if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1363        mline = 1;
1364        indent = 4;
1365    }
1366    if (lflags == XN_FLAG_COMPAT) {
1367        buf = X509_NAME_oneline(nm, 0, 0);
1368        BIO_puts(out, buf);
1369        BIO_puts(out, "\n");
1370        OPENSSL_free(buf);
1371    } else {
1372        if (mline)
1373            BIO_puts(out, "\n");
1374        X509_NAME_print_ex(out, nm, indent, lflags);
1375        BIO_puts(out, "\n");
1376    }
1377}
1378
1379X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1380{
1381    X509_STORE *store;
1382    X509_LOOKUP *lookup;
1383    if (!(store = X509_STORE_new()))
1384        goto end;
1385    lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1386    if (lookup == NULL)
1387        goto end;
1388    if (CAfile) {
1389        if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1390            BIO_printf(bp, "Error loading file %s\n", CAfile);
1391            goto end;
1392        }
1393    } else
1394        X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1395
1396    lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1397    if (lookup == NULL)
1398        goto end;
1399    if (CApath) {
1400        if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1401            BIO_printf(bp, "Error loading directory %s\n", CApath);
1402            goto end;
1403        }
1404    } else
1405        X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1406
1407    ERR_clear_error();
1408    return store;
1409 end:
1410    X509_STORE_free(store);
1411    return NULL;
1412}
1413
1414#ifndef OPENSSL_NO_ENGINE
1415/* Try to load an engine in a shareable library */
1416static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1417{
1418    ENGINE *e = ENGINE_by_id("dynamic");
1419    if (e) {
1420        if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1421            || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
1422            ENGINE_free(e);
1423            e = NULL;
1424        }
1425    }
1426    return e;
1427}
1428
1429ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1430{
1431    ENGINE *e = NULL;
1432
1433    if (engine) {
1434        if (strcmp(engine, "auto") == 0) {
1435            BIO_printf(err, "enabling auto ENGINE support\n");
1436            ENGINE_register_all_complete();
1437            return NULL;
1438        }
1439        if ((e = ENGINE_by_id(engine)) == NULL
1440            && (e = try_load_engine(err, engine, debug)) == NULL) {
1441            BIO_printf(err, "invalid engine \"%s\"\n", engine);
1442            ERR_print_errors(err);
1443            return NULL;
1444        }
1445        if (debug) {
1446            ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, err, 0);
1447        }
1448        ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1449        if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1450            BIO_printf(err, "can't use that engine\n");
1451            ERR_print_errors(err);
1452            ENGINE_free(e);
1453            return NULL;
1454        }
1455
1456        BIO_printf(err, "engine \"%s\" set.\n", ENGINE_get_id(e));
1457
1458        /* Free our "structural" reference. */
1459        ENGINE_free(e);
1460    }
1461    return e;
1462}
1463#endif
1464
1465int load_config(BIO *err, CONF *cnf)
1466{
1467    static int load_config_called = 0;
1468    if (load_config_called)
1469        return 1;
1470    load_config_called = 1;
1471    if (!cnf)
1472        cnf = config;
1473    if (!cnf)
1474        return 1;
1475
1476    OPENSSL_load_builtin_modules();
1477
1478    if (CONF_modules_load(cnf, NULL, 0) <= 0) {
1479        BIO_printf(err, "Error configuring OpenSSL\n");
1480        ERR_print_errors(err);
1481        return 0;
1482    }
1483    return 1;
1484}
1485
1486char *make_config_name()
1487{
1488    const char *t = X509_get_default_cert_area();
1489    size_t len;
1490    char *p;
1491
1492    len = strlen(t) + strlen(OPENSSL_CONF) + 2;
1493    p = OPENSSL_malloc(len);
1494    if (p == NULL)
1495        return NULL;
1496    BUF_strlcpy(p, t, len);
1497#ifndef OPENSSL_SYS_VMS
1498    BUF_strlcat(p, "/", len);
1499#endif
1500    BUF_strlcat(p, OPENSSL_CONF, len);
1501
1502    return p;
1503}
1504
1505static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1506{
1507    const char *n;
1508
1509    n = a[DB_serial];
1510    while (*n == '0')
1511        n++;
1512    return (lh_strhash(n));
1513}
1514
1515static int index_serial_cmp(const OPENSSL_CSTRING *a,
1516                            const OPENSSL_CSTRING *b)
1517{
1518    const char *aa, *bb;
1519
1520    for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1521    for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1522    return (strcmp(aa, bb));
1523}
1524
1525static int index_name_qual(char **a)
1526{
1527    return (a[0][0] == 'V');
1528}
1529
1530static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1531{
1532    return (lh_strhash(a[DB_name]));
1533}
1534
1535int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1536{
1537    return (strcmp(a[DB_name], b[DB_name]));
1538}
1539
1540static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1541static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1542static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1543static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1544#undef BSIZE
1545#define BSIZE 256
1546BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1547{
1548    BIO *in = NULL;
1549    BIGNUM *ret = NULL;
1550    MS_STATIC char buf[1024];
1551    ASN1_INTEGER *ai = NULL;
1552
1553    ai = ASN1_INTEGER_new();
1554    if (ai == NULL)
1555        goto err;
1556
1557    if ((in = BIO_new(BIO_s_file())) == NULL) {
1558        ERR_print_errors(bio_err);
1559        goto err;
1560    }
1561
1562    if (BIO_read_filename(in, serialfile) <= 0) {
1563        if (!create) {
1564            perror(serialfile);
1565            goto err;
1566        } else {
1567            ret = BN_new();
1568            if (ret == NULL || !rand_serial(ret, ai))
1569                BIO_printf(bio_err, "Out of memory\n");
1570        }
1571    } else {
1572        if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1573            BIO_printf(bio_err, "unable to load number from %s\n",
1574                       serialfile);
1575            goto err;
1576        }
1577        ret = ASN1_INTEGER_to_BN(ai, NULL);
1578        if (ret == NULL) {
1579            BIO_printf(bio_err,
1580                       "error converting number from bin to BIGNUM\n");
1581            goto err;
1582        }
1583    }
1584
1585    if (ret && retai) {
1586        *retai = ai;
1587        ai = NULL;
1588    }
1589 err:
1590    if (in != NULL)
1591        BIO_free(in);
1592    if (ai != NULL)
1593        ASN1_INTEGER_free(ai);
1594    return (ret);
1595}
1596
1597int save_serial(char *serialfile, char *suffix, BIGNUM *serial,
1598                ASN1_INTEGER **retai)
1599{
1600    char buf[1][BSIZE];
1601    BIO *out = NULL;
1602    int ret = 0;
1603    ASN1_INTEGER *ai = NULL;
1604    int j;
1605
1606    if (suffix == NULL)
1607        j = strlen(serialfile);
1608    else
1609        j = strlen(serialfile) + strlen(suffix) + 1;
1610    if (j >= BSIZE) {
1611        BIO_printf(bio_err, "file name too long\n");
1612        goto err;
1613    }
1614
1615    if (suffix == NULL)
1616        BUF_strlcpy(buf[0], serialfile, BSIZE);
1617    else {
1618#ifndef OPENSSL_SYS_VMS
1619        j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1620#else
1621        j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1622#endif
1623    }
1624#ifdef RL_DEBUG
1625    BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1626#endif
1627    out = BIO_new(BIO_s_file());
1628    if (out == NULL) {
1629        ERR_print_errors(bio_err);
1630        goto err;
1631    }
1632    if (BIO_write_filename(out, buf[0]) <= 0) {
1633        perror(serialfile);
1634        goto err;
1635    }
1636
1637    if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1638        BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1639        goto err;
1640    }
1641    i2a_ASN1_INTEGER(out, ai);
1642    BIO_puts(out, "\n");
1643    ret = 1;
1644    if (retai) {
1645        *retai = ai;
1646        ai = NULL;
1647    }
1648 err:
1649    if (out != NULL)
1650        BIO_free_all(out);
1651    if (ai != NULL)
1652        ASN1_INTEGER_free(ai);
1653    return (ret);
1654}
1655
1656int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1657{
1658    char buf[5][BSIZE];
1659    int i, j;
1660
1661    i = strlen(serialfile) + strlen(old_suffix);
1662    j = strlen(serialfile) + strlen(new_suffix);
1663    if (i > j)
1664        j = i;
1665    if (j + 1 >= BSIZE) {
1666        BIO_printf(bio_err, "file name too long\n");
1667        goto err;
1668    }
1669#ifndef OPENSSL_SYS_VMS
1670    j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, new_suffix);
1671#else
1672    j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, new_suffix);
1673#endif
1674#ifndef OPENSSL_SYS_VMS
1675    j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", serialfile, old_suffix);
1676#else
1677    j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", serialfile, old_suffix);
1678#endif
1679#ifdef RL_DEBUG
1680    BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1681               serialfile, buf[1]);
1682#endif
1683    if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1684#ifdef ENOTDIR
1685        && errno != ENOTDIR
1686#endif
1687        ) {
1688        BIO_printf(bio_err,
1689                   "unable to rename %s to %s\n", serialfile, buf[1]);
1690        perror("reason");
1691        goto err;
1692    }
1693#ifdef RL_DEBUG
1694    BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1695               buf[0], serialfile);
1696#endif
1697    if (rename(buf[0], serialfile) < 0) {
1698        BIO_printf(bio_err,
1699                   "unable to rename %s to %s\n", buf[0], serialfile);
1700        perror("reason");
1701        rename(buf[1], serialfile);
1702        goto err;
1703    }
1704    return 1;
1705 err:
1706    return 0;
1707}
1708
1709int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1710{
1711    BIGNUM *btmp;
1712    int ret = 0;
1713    if (b)
1714        btmp = b;
1715    else
1716        btmp = BN_new();
1717
1718    if (!btmp)
1719        return 0;
1720
1721    if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1722        goto error;
1723    if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1724        goto error;
1725
1726    ret = 1;
1727
1728 error:
1729
1730    if (!b)
1731        BN_free(btmp);
1732
1733    return ret;
1734}
1735
1736CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1737{
1738    CA_DB *retdb = NULL;
1739    TXT_DB *tmpdb = NULL;
1740    BIO *in = BIO_new(BIO_s_file());
1741    CONF *dbattr_conf = NULL;
1742    char buf[1][BSIZE];
1743    long errorline = -1;
1744
1745    if (in == NULL) {
1746        ERR_print_errors(bio_err);
1747        goto err;
1748    }
1749    if (BIO_read_filename(in, dbfile) <= 0) {
1750        perror(dbfile);
1751        BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1752        goto err;
1753    }
1754    if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1755        goto err;
1756
1757#ifndef OPENSSL_SYS_VMS
1758    BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1759#else
1760    BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1761#endif
1762    dbattr_conf = NCONF_new(NULL);
1763    if (NCONF_load(dbattr_conf, buf[0], &errorline) <= 0) {
1764        if (errorline > 0) {
1765            BIO_printf(bio_err,
1766                       "error on line %ld of db attribute file '%s'\n",
1767                       errorline, buf[0]);
1768            goto err;
1769        } else {
1770            NCONF_free(dbattr_conf);
1771            dbattr_conf = NULL;
1772        }
1773    }
1774
1775    if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL) {
1776        fprintf(stderr, "Out of memory\n");
1777        goto err;
1778    }
1779
1780    retdb->db = tmpdb;
1781    tmpdb = NULL;
1782    if (db_attr)
1783        retdb->attributes = *db_attr;
1784    else {
1785        retdb->attributes.unique_subject = 1;
1786    }
1787
1788    if (dbattr_conf) {
1789        char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1790        if (p) {
1791#ifdef RL_DEBUG
1792            BIO_printf(bio_err,
1793                       "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1794#endif
1795            retdb->attributes.unique_subject = parse_yesno(p, 1);
1796        }
1797    }
1798
1799 err:
1800    if (dbattr_conf)
1801        NCONF_free(dbattr_conf);
1802    if (tmpdb)
1803        TXT_DB_free(tmpdb);
1804    if (in)
1805        BIO_free_all(in);
1806    return retdb;
1807}
1808
1809int index_index(CA_DB *db)
1810{
1811    if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1812                             LHASH_HASH_FN(index_serial),
1813                             LHASH_COMP_FN(index_serial))) {
1814        BIO_printf(bio_err,
1815                   "error creating serial number index:(%ld,%ld,%ld)\n",
1816                   db->db->error, db->db->arg1, db->db->arg2);
1817        return 0;
1818    }
1819
1820    if (db->attributes.unique_subject
1821        && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1822                                LHASH_HASH_FN(index_name),
1823                                LHASH_COMP_FN(index_name))) {
1824        BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
1825                   db->db->error, db->db->arg1, db->db->arg2);
1826        return 0;
1827    }
1828    return 1;
1829}
1830
1831int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1832{
1833    char buf[3][BSIZE];
1834    BIO *out = BIO_new(BIO_s_file());
1835    int j;
1836
1837    if (out == NULL) {
1838        ERR_print_errors(bio_err);
1839        goto err;
1840    }
1841
1842    j = strlen(dbfile) + strlen(suffix);
1843    if (j + 6 >= BSIZE) {
1844        BIO_printf(bio_err, "file name too long\n");
1845        goto err;
1846    }
1847#ifndef OPENSSL_SYS_VMS
1848    j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1849#else
1850    j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1851#endif
1852#ifndef OPENSSL_SYS_VMS
1853    j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1854#else
1855    j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1856#endif
1857#ifndef OPENSSL_SYS_VMS
1858    j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1859#else
1860    j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1861#endif
1862#ifdef RL_DEBUG
1863    BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1864#endif
1865    if (BIO_write_filename(out, buf[0]) <= 0) {
1866        perror(dbfile);
1867        BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1868        goto err;
1869    }
1870    j = TXT_DB_write(out, db->db);
1871    if (j <= 0)
1872        goto err;
1873
1874    BIO_free(out);
1875
1876    out = BIO_new(BIO_s_file());
1877#ifdef RL_DEBUG
1878    BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1879#endif
1880    if (BIO_write_filename(out, buf[1]) <= 0) {
1881        perror(buf[2]);
1882        BIO_printf(bio_err, "unable to open '%s'\n", buf[2]);
1883        goto err;
1884    }
1885    BIO_printf(out, "unique_subject = %s\n",
1886               db->attributes.unique_subject ? "yes" : "no");
1887    BIO_free(out);
1888
1889    return 1;
1890 err:
1891    return 0;
1892}
1893
1894int rotate_index(const char *dbfile, const char *new_suffix,
1895                 const char *old_suffix)
1896{
1897    char buf[5][BSIZE];
1898    int i, j;
1899
1900    i = strlen(dbfile) + strlen(old_suffix);
1901    j = strlen(dbfile) + strlen(new_suffix);
1902    if (i > j)
1903        j = i;
1904    if (j + 6 >= BSIZE) {
1905        BIO_printf(bio_err, "file name too long\n");
1906        goto err;
1907    }
1908#ifndef OPENSSL_SYS_VMS
1909    j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1910#else
1911    j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1912#endif
1913#ifndef OPENSSL_SYS_VMS
1914    j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s", dbfile, new_suffix);
1915#else
1916    j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s", dbfile, new_suffix);
1917#endif
1918#ifndef OPENSSL_SYS_VMS
1919    j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, new_suffix);
1920#else
1921    j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, new_suffix);
1922#endif
1923#ifndef OPENSSL_SYS_VMS
1924    j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", dbfile, old_suffix);
1925#else
1926    j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", dbfile, old_suffix);
1927#endif
1928#ifndef OPENSSL_SYS_VMS
1929    j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s", dbfile, old_suffix);
1930#else
1931    j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s", dbfile, old_suffix);
1932#endif
1933#ifdef RL_DEBUG
1934    BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", dbfile, buf[1]);
1935#endif
1936    if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1937#ifdef ENOTDIR
1938        && errno != ENOTDIR
1939#endif
1940        ) {
1941        BIO_printf(bio_err, "unable to rename %s to %s\n", dbfile, buf[1]);
1942        perror("reason");
1943        goto err;
1944    }
1945#ifdef RL_DEBUG
1946    BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[0], dbfile);
1947#endif
1948    if (rename(buf[0], dbfile) < 0) {
1949        BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], dbfile);
1950        perror("reason");
1951        rename(buf[1], dbfile);
1952        goto err;
1953    }
1954#ifdef RL_DEBUG
1955    BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[4], buf[3]);
1956#endif
1957    if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1958#ifdef ENOTDIR
1959        && errno != ENOTDIR
1960#endif
1961        ) {
1962        BIO_printf(bio_err, "unable to rename %s to %s\n", buf[4], buf[3]);
1963        perror("reason");
1964        rename(dbfile, buf[0]);
1965        rename(buf[1], dbfile);
1966        goto err;
1967    }
1968#ifdef RL_DEBUG
1969    BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[2], buf[4]);
1970#endif
1971    if (rename(buf[2], buf[4]) < 0) {
1972        BIO_printf(bio_err, "unable to rename %s to %s\n", buf[2], buf[4]);
1973        perror("reason");
1974        rename(buf[3], buf[4]);
1975        rename(dbfile, buf[0]);
1976        rename(buf[1], dbfile);
1977        goto err;
1978    }
1979    return 1;
1980 err:
1981    return 0;
1982}
1983
1984void free_index(CA_DB *db)
1985{
1986    if (db) {
1987        if (db->db)
1988            TXT_DB_free(db->db);
1989        OPENSSL_free(db);
1990    }
1991}
1992
1993int parse_yesno(const char *str, int def)
1994{
1995    int ret = def;
1996    if (str) {
1997        switch (*str) {
1998        case 'f':              /* false */
1999        case 'F':              /* FALSE */
2000        case 'n':              /* no */
2001        case 'N':              /* NO */
2002        case '0':              /* 0 */
2003            ret = 0;
2004            break;
2005        case 't':              /* true */
2006        case 'T':              /* TRUE */
2007        case 'y':              /* yes */
2008        case 'Y':              /* YES */
2009        case '1':              /* 1 */
2010            ret = 1;
2011            break;
2012        default:
2013            ret = def;
2014            break;
2015        }
2016    }
2017    return ret;
2018}
2019
2020/*
2021 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2022 * where characters may be escaped by \
2023 */
2024X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2025{
2026    size_t buflen = strlen(subject) + 1; /* to copy the types and values
2027                                          * into. due to escaping, the copy
2028                                          * can only become shorter */
2029    char *buf = OPENSSL_malloc(buflen);
2030    size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2031    char **ne_types = OPENSSL_malloc(max_ne * sizeof(char *));
2032    char **ne_values = OPENSSL_malloc(max_ne * sizeof(char *));
2033    int *mval = OPENSSL_malloc(max_ne * sizeof(int));
2034
2035    char *sp = subject, *bp = buf;
2036    int i, ne_num = 0;
2037
2038    X509_NAME *n = NULL;
2039    int nid;
2040
2041    if (!buf || !ne_types || !ne_values || !mval) {
2042        BIO_printf(bio_err, "malloc error\n");
2043        goto error;
2044    }
2045
2046    if (*subject != '/') {
2047        BIO_printf(bio_err, "Subject does not start with '/'.\n");
2048        goto error;
2049    }
2050    sp++;                       /* skip leading / */
2051
2052    /* no multivalued RDN by default */
2053    mval[ne_num] = 0;
2054
2055    while (*sp) {
2056        /* collect type */
2057        ne_types[ne_num] = bp;
2058        while (*sp) {
2059            if (*sp == '\\') {  /* is there anything to escape in the
2060                                 * type...? */
2061                if (*++sp)
2062                    *bp++ = *sp++;
2063                else {
2064                    BIO_printf(bio_err,
2065                               "escape character at end of string\n");
2066                    goto error;
2067                }
2068            } else if (*sp == '=') {
2069                sp++;
2070                *bp++ = '\0';
2071                break;
2072            } else
2073                *bp++ = *sp++;
2074        }
2075        if (!*sp) {
2076            BIO_printf(bio_err,
2077                       "end of string encountered while processing type of subject name element #%d\n",
2078                       ne_num);
2079            goto error;
2080        }
2081        ne_values[ne_num] = bp;
2082        while (*sp) {
2083            if (*sp == '\\') {
2084                if (*++sp)
2085                    *bp++ = *sp++;
2086                else {
2087                    BIO_printf(bio_err,
2088                               "escape character at end of string\n");
2089                    goto error;
2090                }
2091            } else if (*sp == '/') {
2092                sp++;
2093                /* no multivalued RDN by default */
2094                mval[ne_num + 1] = 0;
2095                break;
2096            } else if (*sp == '+' && multirdn) {
2097                /*
2098                 * a not escaped + signals a mutlivalued RDN
2099                 */
2100                sp++;
2101                mval[ne_num + 1] = -1;
2102                break;
2103            } else
2104                *bp++ = *sp++;
2105        }
2106        *bp++ = '\0';
2107        ne_num++;
2108    }
2109
2110    if (!(n = X509_NAME_new()))
2111        goto error;
2112
2113    for (i = 0; i < ne_num; i++) {
2114        if ((nid = OBJ_txt2nid(ne_types[i])) == NID_undef) {
2115            BIO_printf(bio_err,
2116                       "Subject Attribute %s has no known NID, skipped\n",
2117                       ne_types[i]);
2118            continue;
2119        }
2120
2121        if (!*ne_values[i]) {
2122            BIO_printf(bio_err,
2123                       "No value provided for Subject Attribute %s, skipped\n",
2124                       ne_types[i]);
2125            continue;
2126        }
2127
2128        if (!X509_NAME_add_entry_by_NID
2129            (n, nid, chtype, (unsigned char *)ne_values[i], -1, -1, mval[i]))
2130            goto error;
2131    }
2132
2133    OPENSSL_free(ne_values);
2134    OPENSSL_free(ne_types);
2135    OPENSSL_free(buf);
2136    OPENSSL_free(mval);
2137    return n;
2138
2139 error:
2140    X509_NAME_free(n);
2141    if (ne_values)
2142        OPENSSL_free(ne_values);
2143    if (ne_types)
2144        OPENSSL_free(ne_types);
2145    if (mval)
2146        OPENSSL_free(mval);
2147    if (buf)
2148        OPENSSL_free(buf);
2149    return NULL;
2150}
2151
2152int args_verify(char ***pargs, int *pargc,
2153                int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2154{
2155    ASN1_OBJECT *otmp = NULL;
2156    unsigned long flags = 0;
2157    int i;
2158    int purpose = 0, depth = -1;
2159    char **oldargs = *pargs;
2160    char *arg = **pargs, *argn = (*pargs)[1];
2161    time_t at_time = 0;
2162    if (!strcmp(arg, "-policy")) {
2163        if (!argn)
2164            *badarg = 1;
2165        else {
2166            otmp = OBJ_txt2obj(argn, 0);
2167            if (!otmp) {
2168                BIO_printf(err, "Invalid Policy \"%s\"\n", argn);
2169                *badarg = 1;
2170            }
2171        }
2172        (*pargs)++;
2173    } else if (strcmp(arg, "-purpose") == 0) {
2174        X509_PURPOSE *xptmp;
2175        if (!argn)
2176            *badarg = 1;
2177        else {
2178            i = X509_PURPOSE_get_by_sname(argn);
2179            if (i < 0) {
2180                BIO_printf(err, "unrecognized purpose\n");
2181                *badarg = 1;
2182            } else {
2183                xptmp = X509_PURPOSE_get0(i);
2184                purpose = X509_PURPOSE_get_id(xptmp);
2185            }
2186        }
2187        (*pargs)++;
2188    } else if (strcmp(arg, "-verify_depth") == 0) {
2189        if (!argn)
2190            *badarg = 1;
2191        else {
2192            depth = atoi(argn);
2193            if (depth < 0) {
2194                BIO_printf(err, "invalid depth\n");
2195                *badarg = 1;
2196            }
2197        }
2198        (*pargs)++;
2199    } else if (strcmp(arg, "-attime") == 0) {
2200        if (!argn)
2201            *badarg = 1;
2202        else {
2203            long timestamp;
2204            /*
2205             * interpret the -attime argument as seconds since Epoch
2206             */
2207            if (sscanf(argn, "%li", &timestamp) != 1) {
2208                BIO_printf(bio_err, "Error parsing timestamp %s\n", argn);
2209                *badarg = 1;
2210            }
2211            /* on some platforms time_t may be a float */
2212            at_time = (time_t)timestamp;
2213        }
2214        (*pargs)++;
2215    } else if (!strcmp(arg, "-ignore_critical"))
2216        flags |= X509_V_FLAG_IGNORE_CRITICAL;
2217    else if (!strcmp(arg, "-issuer_checks"))
2218        flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2219    else if (!strcmp(arg, "-crl_check"))
2220        flags |= X509_V_FLAG_CRL_CHECK;
2221    else if (!strcmp(arg, "-crl_check_all"))
2222        flags |= X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL;
2223    else if (!strcmp(arg, "-policy_check"))
2224        flags |= X509_V_FLAG_POLICY_CHECK;
2225    else if (!strcmp(arg, "-explicit_policy"))
2226        flags |= X509_V_FLAG_EXPLICIT_POLICY;
2227    else if (!strcmp(arg, "-inhibit_any"))
2228        flags |= X509_V_FLAG_INHIBIT_ANY;
2229    else if (!strcmp(arg, "-inhibit_map"))
2230        flags |= X509_V_FLAG_INHIBIT_MAP;
2231    else if (!strcmp(arg, "-x509_strict"))
2232        flags |= X509_V_FLAG_X509_STRICT;
2233    else if (!strcmp(arg, "-extended_crl"))
2234        flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2235    else if (!strcmp(arg, "-use_deltas"))
2236        flags |= X509_V_FLAG_USE_DELTAS;
2237    else if (!strcmp(arg, "-policy_print"))
2238        flags |= X509_V_FLAG_NOTIFY_POLICY;
2239    else if (!strcmp(arg, "-check_ss_sig"))
2240        flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2241    else if (!strcmp(arg, "-no_alt_chains"))
2242        flags |= X509_V_FLAG_NO_ALT_CHAINS;
2243    else
2244        return 0;
2245
2246    if (*badarg) {
2247        if (*pm)
2248            X509_VERIFY_PARAM_free(*pm);
2249        *pm = NULL;
2250        goto end;
2251    }
2252
2253    if (!*pm && !(*pm = X509_VERIFY_PARAM_new())) {
2254        *badarg = 1;
2255        goto end;
2256    }
2257
2258    if (otmp)
2259        X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2260    if (flags)
2261        X509_VERIFY_PARAM_set_flags(*pm, flags);
2262
2263    if (purpose)
2264        X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2265
2266    if (depth >= 0)
2267        X509_VERIFY_PARAM_set_depth(*pm, depth);
2268
2269    if (at_time)
2270        X509_VERIFY_PARAM_set_time(*pm, at_time);
2271
2272 end:
2273
2274    (*pargs)++;
2275
2276    if (pargc)
2277        *pargc -= *pargs - oldargs;
2278
2279    return 1;
2280
2281}
2282
2283/*
2284 * Read whole contents of a BIO into an allocated memory buffer and return
2285 * it.
2286 */
2287
2288int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2289{
2290    BIO *mem;
2291    int len, ret;
2292    unsigned char tbuf[1024];
2293    mem = BIO_new(BIO_s_mem());
2294    if (!mem)
2295        return -1;
2296    for (;;) {
2297        if ((maxlen != -1) && maxlen < 1024)
2298            len = maxlen;
2299        else
2300            len = 1024;
2301        len = BIO_read(in, tbuf, len);
2302        if (len <= 0)
2303            break;
2304        if (BIO_write(mem, tbuf, len) != len) {
2305            BIO_free(mem);
2306            return -1;
2307        }
2308        maxlen -= len;
2309
2310        if (maxlen == 0)
2311            break;
2312    }
2313    ret = BIO_get_mem_data(mem, (char **)out);
2314    BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2315    BIO_free(mem);
2316    return ret;
2317}
2318
2319int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2320{
2321    int rv;
2322    char *stmp, *vtmp = NULL;
2323    stmp = BUF_strdup(value);
2324    if (!stmp)
2325        return -1;
2326    vtmp = strchr(stmp, ':');
2327    if (vtmp) {
2328        *vtmp = 0;
2329        vtmp++;
2330    }
2331    rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2332    OPENSSL_free(stmp);
2333    return rv;
2334}
2335
2336static void nodes_print(BIO *out, const char *name,
2337                        STACK_OF(X509_POLICY_NODE) *nodes)
2338{
2339    X509_POLICY_NODE *node;
2340    int i;
2341    BIO_printf(out, "%s Policies:", name);
2342    if (nodes) {
2343        BIO_puts(out, "\n");
2344        for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2345            node = sk_X509_POLICY_NODE_value(nodes, i);
2346            X509_POLICY_NODE_print(out, node, 2);
2347        }
2348    } else
2349        BIO_puts(out, " <empty>\n");
2350}
2351
2352void policies_print(BIO *out, X509_STORE_CTX *ctx)
2353{
2354    X509_POLICY_TREE *tree;
2355    int explicit_policy;
2356    int free_out = 0;
2357    if (out == NULL) {
2358        out = BIO_new_fp(stderr, BIO_NOCLOSE);
2359        free_out = 1;
2360    }
2361    tree = X509_STORE_CTX_get0_policy_tree(ctx);
2362    explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2363
2364    BIO_printf(out, "Require explicit Policy: %s\n",
2365               explicit_policy ? "True" : "False");
2366
2367    nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2368    nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2369    if (free_out)
2370        BIO_free(out);
2371}
2372
2373#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2374
2375static JPAKE_CTX *jpake_init(const char *us, const char *them,
2376                             const char *secret)
2377{
2378    BIGNUM *p = NULL;
2379    BIGNUM *g = NULL;
2380    BIGNUM *q = NULL;
2381    BIGNUM *bnsecret = BN_new();
2382    JPAKE_CTX *ctx;
2383
2384    /* Use a safe prime for p (that we found earlier) */
2385    BN_hex2bn(&p,
2386              "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2387    g = BN_new();
2388    BN_set_word(g, 2);
2389    q = BN_new();
2390    BN_rshift1(q, p);
2391
2392    BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2393
2394    ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2395    BN_free(bnsecret);
2396    BN_free(q);
2397    BN_free(g);
2398    BN_free(p);
2399
2400    return ctx;
2401}
2402
2403static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2404{
2405    BN_print(conn, p->gx);
2406    BIO_puts(conn, "\n");
2407    BN_print(conn, p->zkpx.gr);
2408    BIO_puts(conn, "\n");
2409    BN_print(conn, p->zkpx.b);
2410    BIO_puts(conn, "\n");
2411}
2412
2413static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2414{
2415    JPAKE_STEP1 s1;
2416
2417    JPAKE_STEP1_init(&s1);
2418    JPAKE_STEP1_generate(&s1, ctx);
2419    jpake_send_part(bconn, &s1.p1);
2420    jpake_send_part(bconn, &s1.p2);
2421    (void)BIO_flush(bconn);
2422    JPAKE_STEP1_release(&s1);
2423}
2424
2425static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2426{
2427    JPAKE_STEP2 s2;
2428
2429    JPAKE_STEP2_init(&s2);
2430    JPAKE_STEP2_generate(&s2, ctx);
2431    jpake_send_part(bconn, &s2);
2432    (void)BIO_flush(bconn);
2433    JPAKE_STEP2_release(&s2);
2434}
2435
2436static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2437{
2438    JPAKE_STEP3A s3a;
2439
2440    JPAKE_STEP3A_init(&s3a);
2441    JPAKE_STEP3A_generate(&s3a, ctx);
2442    BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2443    (void)BIO_flush(bconn);
2444    JPAKE_STEP3A_release(&s3a);
2445}
2446
2447static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2448{
2449    JPAKE_STEP3B s3b;
2450
2451    JPAKE_STEP3B_init(&s3b);
2452    JPAKE_STEP3B_generate(&s3b, ctx);
2453    BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2454    (void)BIO_flush(bconn);
2455    JPAKE_STEP3B_release(&s3b);
2456}
2457
2458static void readbn(BIGNUM **bn, BIO *bconn)
2459{
2460    char buf[10240];
2461    int l;
2462
2463    l = BIO_gets(bconn, buf, sizeof buf);
2464    assert(l > 0);
2465    assert(buf[l - 1] == '\n');
2466    buf[l - 1] = '\0';
2467    BN_hex2bn(bn, buf);
2468}
2469
2470static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2471{
2472    readbn(&p->gx, bconn);
2473    readbn(&p->zkpx.gr, bconn);
2474    readbn(&p->zkpx.b, bconn);
2475}
2476
2477static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2478{
2479    JPAKE_STEP1 s1;
2480
2481    JPAKE_STEP1_init(&s1);
2482    jpake_receive_part(&s1.p1, bconn);
2483    jpake_receive_part(&s1.p2, bconn);
2484    if (!JPAKE_STEP1_process(ctx, &s1)) {
2485        ERR_print_errors(bio_err);
2486        exit(1);
2487    }
2488    JPAKE_STEP1_release(&s1);
2489}
2490
2491static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2492{
2493    JPAKE_STEP2 s2;
2494
2495    JPAKE_STEP2_init(&s2);
2496    jpake_receive_part(&s2, bconn);
2497    if (!JPAKE_STEP2_process(ctx, &s2)) {
2498        ERR_print_errors(bio_err);
2499        exit(1);
2500    }
2501    JPAKE_STEP2_release(&s2);
2502}
2503
2504static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2505{
2506    JPAKE_STEP3A s3a;
2507    int l;
2508
2509    JPAKE_STEP3A_init(&s3a);
2510    l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2511    assert(l == sizeof s3a.hhk);
2512    if (!JPAKE_STEP3A_process(ctx, &s3a)) {
2513        ERR_print_errors(bio_err);
2514        exit(1);
2515    }
2516    JPAKE_STEP3A_release(&s3a);
2517}
2518
2519static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2520{
2521    JPAKE_STEP3B s3b;
2522    int l;
2523
2524    JPAKE_STEP3B_init(&s3b);
2525    l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2526    assert(l == sizeof s3b.hk);
2527    if (!JPAKE_STEP3B_process(ctx, &s3b)) {
2528        ERR_print_errors(bio_err);
2529        exit(1);
2530    }
2531    JPAKE_STEP3B_release(&s3b);
2532}
2533
2534void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2535{
2536    JPAKE_CTX *ctx;
2537    BIO *bconn;
2538
2539    BIO_puts(out, "Authenticating with JPAKE\n");
2540
2541    ctx = jpake_init("client", "server", secret);
2542
2543    bconn = BIO_new(BIO_f_buffer());
2544    BIO_push(bconn, conn);
2545
2546    jpake_send_step1(bconn, ctx);
2547    jpake_receive_step1(ctx, bconn);
2548    jpake_send_step2(bconn, ctx);
2549    jpake_receive_step2(ctx, bconn);
2550    jpake_send_step3a(bconn, ctx);
2551    jpake_receive_step3b(ctx, bconn);
2552
2553    BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2554
2555    psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2556
2557    BIO_pop(bconn);
2558    BIO_free(bconn);
2559
2560    JPAKE_CTX_free(ctx);
2561}
2562
2563void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2564{
2565    JPAKE_CTX *ctx;
2566    BIO *bconn;
2567
2568    BIO_puts(out, "Authenticating with JPAKE\n");
2569
2570    ctx = jpake_init("server", "client", secret);
2571
2572    bconn = BIO_new(BIO_f_buffer());
2573    BIO_push(bconn, conn);
2574
2575    jpake_receive_step1(ctx, bconn);
2576    jpake_send_step1(bconn, ctx);
2577    jpake_receive_step2(ctx, bconn);
2578    jpake_send_step2(bconn, ctx);
2579    jpake_receive_step3a(ctx, bconn);
2580    jpake_send_step3b(bconn, ctx);
2581
2582    BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2583
2584    psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2585
2586    BIO_pop(bconn);
2587    BIO_free(bconn);
2588
2589    JPAKE_CTX_free(ctx);
2590}
2591
2592#endif
2593
2594#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2595/*-
2596 * next_protos_parse parses a comma separated list of strings into a string
2597 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2598 *   outlen: (output) set to the length of the resulting buffer on success.
2599 *   err: (maybe NULL) on failure, an error message line is written to this BIO.
2600 *   in: a NUL termianted string like "abc,def,ghi"
2601 *
2602 *   returns: a malloced buffer or NULL on failure.
2603 */
2604unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
2605{
2606    size_t len;
2607    unsigned char *out;
2608    size_t i, start = 0;
2609
2610    len = strlen(in);
2611    if (len >= 65535)
2612        return NULL;
2613
2614    out = OPENSSL_malloc(strlen(in) + 1);
2615    if (!out)
2616        return NULL;
2617
2618    for (i = 0; i <= len; ++i) {
2619        if (i == len || in[i] == ',') {
2620            if (i - start > 255) {
2621                OPENSSL_free(out);
2622                return NULL;
2623            }
2624            out[start] = i - start;
2625            start = i + 1;
2626        } else
2627            out[i + 1] = in[i];
2628    }
2629
2630    *outlen = len + 1;
2631    return out;
2632}
2633#endif                          /* !OPENSSL_NO_TLSEXT &&
2634                                 * !OPENSSL_NO_NEXTPROTONEG */
2635
2636/*
2637 * Platform-specific sections
2638 */
2639#if defined(_WIN32)
2640# ifdef fileno
2641#  undef fileno
2642#  define fileno(a) (int)_fileno(a)
2643# endif
2644
2645# include <windows.h>
2646# include <tchar.h>
2647
2648static int WIN32_rename(const char *from, const char *to)
2649{
2650    TCHAR *tfrom = NULL, *tto;
2651    DWORD err;
2652    int ret = 0;
2653
2654    if (sizeof(TCHAR) == 1) {
2655        tfrom = (TCHAR *)from;
2656        tto = (TCHAR *)to;
2657    } else {                    /* UNICODE path */
2658
2659        size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2660        tfrom = (TCHAR *)malloc(sizeof(TCHAR) * (flen + tlen));
2661        if (tfrom == NULL)
2662            goto err;
2663        tto = tfrom + flen;
2664# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2665        if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2666# endif
2667            for (i = 0; i < flen; i++)
2668                tfrom[i] = (TCHAR)from[i];
2669# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2670        if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2671# endif
2672            for (i = 0; i < tlen; i++)
2673                tto[i] = (TCHAR)to[i];
2674    }
2675
2676    if (MoveFile(tfrom, tto))
2677        goto ok;
2678    err = GetLastError();
2679    if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2680        if (DeleteFile(tto) && MoveFile(tfrom, tto))
2681            goto ok;
2682        err = GetLastError();
2683    }
2684    if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2685        errno = ENOENT;
2686    else if (err == ERROR_ACCESS_DENIED)
2687        errno = EACCES;
2688    else
2689        errno = EINVAL;         /* we could map more codes... */
2690 err:
2691    ret = -1;
2692 ok:
2693    if (tfrom != NULL && tfrom != (TCHAR *)from)
2694        free(tfrom);
2695    return ret;
2696}
2697#endif
2698
2699/* app_tminterval section */
2700#if defined(_WIN32)
2701double app_tminterval(int stop, int usertime)
2702{
2703    FILETIME now;
2704    double ret = 0;
2705    static ULARGE_INTEGER tmstart;
2706    static int warning = 1;
2707# ifdef _WIN32_WINNT
2708    static HANDLE proc = NULL;
2709
2710    if (proc == NULL) {
2711        if (check_winnt())
2712            proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2713                               GetCurrentProcessId());
2714        if (proc == NULL)
2715            proc = (HANDLE) - 1;
2716    }
2717
2718    if (usertime && proc != (HANDLE) - 1) {
2719        FILETIME junk;
2720        GetProcessTimes(proc, &junk, &junk, &junk, &now);
2721    } else
2722# endif
2723    {
2724        SYSTEMTIME systime;
2725
2726        if (usertime && warning) {
2727            BIO_printf(bio_err, "To get meaningful results, run "
2728                       "this program on idle system.\n");
2729            warning = 0;
2730        }
2731        GetSystemTime(&systime);
2732        SystemTimeToFileTime(&systime, &now);
2733    }
2734
2735    if (stop == TM_START) {
2736        tmstart.u.LowPart = now.dwLowDateTime;
2737        tmstart.u.HighPart = now.dwHighDateTime;
2738    } else {
2739        ULARGE_INTEGER tmstop;
2740
2741        tmstop.u.LowPart = now.dwLowDateTime;
2742        tmstop.u.HighPart = now.dwHighDateTime;
2743
2744        ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2745    }
2746
2747    return (ret);
2748}
2749
2750#elif defined(OPENSSL_SYS_NETWARE)
2751# include <time.h>
2752
2753double app_tminterval(int stop, int usertime)
2754{
2755    double ret = 0;
2756    static clock_t tmstart;
2757    static int warning = 1;
2758
2759    if (usertime && warning) {
2760        BIO_printf(bio_err, "To get meaningful results, run "
2761                   "this program on idle system.\n");
2762        warning = 0;
2763    }
2764
2765    if (stop == TM_START)
2766        tmstart = clock();
2767    else
2768        ret = (clock() - tmstart) / (double)CLOCKS_PER_SEC;
2769
2770    return (ret);
2771}
2772
2773#elif defined(OPENSSL_SYSTEM_VXWORKS)
2774# include <time.h>
2775
2776double app_tminterval(int stop, int usertime)
2777{
2778    double ret = 0;
2779# ifdef CLOCK_REALTIME
2780    static struct timespec tmstart;
2781    struct timespec now;
2782# else
2783    static unsigned long tmstart;
2784    unsigned long now;
2785# endif
2786    static int warning = 1;
2787
2788    if (usertime && warning) {
2789        BIO_printf(bio_err, "To get meaningful results, run "
2790                   "this program on idle system.\n");
2791        warning = 0;
2792    }
2793# ifdef CLOCK_REALTIME
2794    clock_gettime(CLOCK_REALTIME, &now);
2795    if (stop == TM_START)
2796        tmstart = now;
2797    else
2798        ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2799               - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2800# else
2801    now = tickGet();
2802    if (stop == TM_START)
2803        tmstart = now;
2804    else
2805        ret = (now - tmstart) / (double)sysClkRateGet();
2806# endif
2807    return (ret);
2808}
2809
2810#elif defined(OPENSSL_SYSTEM_VMS)
2811# include <time.h>
2812# include <times.h>
2813
2814double app_tminterval(int stop, int usertime)
2815{
2816    static clock_t tmstart;
2817    double ret = 0;
2818    clock_t now;
2819# ifdef __TMS
2820    struct tms rus;
2821
2822    now = times(&rus);
2823    if (usertime)
2824        now = rus.tms_utime;
2825# else
2826    if (usertime)
2827        now = clock();          /* sum of user and kernel times */
2828    else {
2829        struct timeval tv;
2830        gettimeofday(&tv, NULL);
2831        now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK +
2832                        (unsigned long long)tv.tv_usec * (1000000 / CLK_TCK)
2833            );
2834    }
2835# endif
2836    if (stop == TM_START)
2837        tmstart = now;
2838    else
2839        ret = (now - tmstart) / (double)(CLK_TCK);
2840
2841    return (ret);
2842}
2843
2844#elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
2845# include <sys/times.h>
2846
2847double app_tminterval(int stop, int usertime)
2848{
2849    double ret = 0;
2850    struct tms rus;
2851    clock_t now = times(&rus);
2852    static clock_t tmstart;
2853
2854    if (usertime)
2855        now = rus.tms_utime;
2856
2857    if (stop == TM_START)
2858        tmstart = now;
2859    else {
2860        long int tck = sysconf(_SC_CLK_TCK);
2861        ret = (now - tmstart) / (double)tck;
2862    }
2863
2864    return (ret);
2865}
2866
2867#else
2868# include <sys/time.h>
2869# include <sys/resource.h>
2870
2871double app_tminterval(int stop, int usertime)
2872{
2873    double ret = 0;
2874    struct rusage rus;
2875    struct timeval now;
2876    static struct timeval tmstart;
2877
2878    if (usertime)
2879        getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2880    else
2881        gettimeofday(&now, NULL);
2882
2883    if (stop == TM_START)
2884        tmstart = now;
2885    else
2886        ret = ((now.tv_sec + now.tv_usec * 1e-6)
2887               - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2888
2889    return ret;
2890}
2891#endif
2892
2893/* app_isdir section */
2894#ifdef _WIN32
2895int app_isdir(const char *name)
2896{
2897    HANDLE hList;
2898    WIN32_FIND_DATA FileData;
2899# if defined(UNICODE) || defined(_UNICODE)
2900    size_t i, len_0 = strlen(name) + 1;
2901
2902    if (len_0 > sizeof(FileData.cFileName) / sizeof(FileData.cFileName[0]))
2903        return -1;
2904
2905#  if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2906    if (!MultiByteToWideChar
2907        (CP_ACP, 0, name, len_0, FileData.cFileName, len_0))
2908#  endif
2909        for (i = 0; i < len_0; i++)
2910            FileData.cFileName[i] = (WCHAR)name[i];
2911
2912    hList = FindFirstFile(FileData.cFileName, &FileData);
2913# else
2914    hList = FindFirstFile(name, &FileData);
2915# endif
2916    if (hList == INVALID_HANDLE_VALUE)
2917        return -1;
2918    FindClose(hList);
2919    return ((FileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0);
2920}
2921#else
2922# include <sys/stat.h>
2923# ifndef S_ISDIR
2924#  if defined(_S_IFMT) && defined(_S_IFDIR)
2925#   define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
2926#  else
2927#   define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
2928#  endif
2929# endif
2930
2931int app_isdir(const char *name)
2932{
2933# if defined(S_ISDIR)
2934    struct stat st;
2935
2936    if (stat(name, &st) == 0)
2937        return S_ISDIR(st.st_mode);
2938    else
2939        return -1;
2940# else
2941    return -1;
2942# endif
2943}
2944#endif
2945
2946/* raw_read|write section */
2947#if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2948int raw_read_stdin(void *buf, int siz)
2949{
2950    DWORD n;
2951    if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2952        return (n);
2953    else
2954        return (-1);
2955}
2956#else
2957int raw_read_stdin(void *buf, int siz)
2958{
2959    return read(fileno(stdin), buf, siz);
2960}
2961#endif
2962
2963#if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2964int raw_write_stdout(const void *buf, int siz)
2965{
2966    DWORD n;
2967    if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2968        return (n);
2969    else
2970        return (-1);
2971}
2972#else
2973int raw_write_stdout(const void *buf, int siz)
2974{
2975    return write(fileno(stdout), buf, siz);
2976}
2977#endif
2978