diff options
Diffstat (limited to 'crypto/asn1/a_gentm.c')
| -rw-r--r-- | crypto/asn1/a_gentm.c | 288 |
1 files changed, 29 insertions, 259 deletions
diff --git a/crypto/asn1/a_gentm.c b/crypto/asn1/a_gentm.c index cb4481597064..d3878d6e57fe 100644 --- a/crypto/asn1/a_gentm.c +++ b/crypto/asn1/a_gentm.c @@ -1,238 +1,29 @@ -/* crypto/asn1/a_gentm.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. +/* + * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved. * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ /* - * GENERALIZEDTIME implementation, written by Steve Henson. Based on UTCTIME + * GENERALIZEDTIME implementation. Based on UTCTIME */ #include <stdio.h> #include <time.h> -#include "cryptlib.h" -#include "o_time.h" +#include "internal/cryptlib.h" #include <openssl/asn1.h> #include "asn1_locl.h" -#if 0 - -int i2d_ASN1_GENERALIZEDTIME(ASN1_GENERALIZEDTIME *a, unsigned char **pp) -{ -# ifdef CHARSET_EBCDIC - /* KLUDGE! We convert to ascii before writing DER */ - int len; - char tmp[24]; - ASN1_STRING tmpstr = *(ASN1_STRING *)a; - - len = tmpstr.length; - ebcdic2ascii(tmp, tmpstr.data, (len >= sizeof(tmp)) ? sizeof(tmp) : len); - tmpstr.data = tmp; - - a = (ASN1_GENERALIZEDTIME *)&tmpstr; -# endif - return (i2d_ASN1_bytes((ASN1_STRING *)a, pp, - V_ASN1_GENERALIZEDTIME, V_ASN1_UNIVERSAL)); -} - -ASN1_GENERALIZEDTIME *d2i_ASN1_GENERALIZEDTIME(ASN1_GENERALIZEDTIME **a, - unsigned char **pp, - long length) -{ - ASN1_GENERALIZEDTIME *ret = NULL; - - ret = - (ASN1_GENERALIZEDTIME *)d2i_ASN1_bytes((ASN1_STRING **)a, pp, length, - V_ASN1_GENERALIZEDTIME, - V_ASN1_UNIVERSAL); - if (ret == NULL) { - ASN1err(ASN1_F_D2I_ASN1_GENERALIZEDTIME, ERR_R_NESTED_ASN1_ERROR); - return (NULL); - } -# ifdef CHARSET_EBCDIC - ascii2ebcdic(ret->data, ret->data, ret->length); -# endif - if (!ASN1_GENERALIZEDTIME_check(ret)) { - ASN1err(ASN1_F_D2I_ASN1_GENERALIZEDTIME, ASN1_R_INVALID_TIME_FORMAT); - goto err; - } - - return (ret); - err: - if ((ret != NULL) && ((a == NULL) || (*a != ret))) - M_ASN1_GENERALIZEDTIME_free(ret); - return (NULL); -} - -#endif - +/* This is the primary function used to parse ASN1_GENERALIZEDTIME */ int asn1_generalizedtime_to_tm(struct tm *tm, const ASN1_GENERALIZEDTIME *d) { - static const int min[9] = { 0, 0, 1, 1, 0, 0, 0, 0, 0 }; - static const int max[9] = { 99, 99, 12, 31, 23, 59, 59, 12, 59 }; - char *a; - int n, i, l, o; - + /* wrapper around asn1_time_to_tm */ if (d->type != V_ASN1_GENERALIZEDTIME) - return (0); - l = d->length; - a = (char *)d->data; - o = 0; - /* - * GENERALIZEDTIME is similar to UTCTIME except the year is represented - * as YYYY. This stuff treats everything as a two digit field so make - * first two fields 00 to 99 - */ - if (l < 13) - goto err; - for (i = 0; i < 7; i++) { - if ((i == 6) && ((a[o] == 'Z') || (a[o] == '+') || (a[o] == '-'))) { - i++; - if (tm) - tm->tm_sec = 0; - break; - } - if ((a[o] < '0') || (a[o] > '9')) - goto err; - n = a[o] - '0'; - if (++o > l) - goto err; - - if ((a[o] < '0') || (a[o] > '9')) - goto err; - n = (n * 10) + a[o] - '0'; - if (++o > l) - goto err; - - if ((n < min[i]) || (n > max[i])) - goto err; - if (tm) { - switch (i) { - case 0: - tm->tm_year = n * 100 - 1900; - break; - case 1: - tm->tm_year += n; - break; - case 2: - tm->tm_mon = n - 1; - break; - case 3: - tm->tm_mday = n; - break; - case 4: - tm->tm_hour = n; - break; - case 5: - tm->tm_min = n; - break; - case 6: - tm->tm_sec = n; - break; - } - } - } - /* - * Optional fractional seconds: decimal point followed by one or more - * digits. - */ - if (a[o] == '.') { - if (++o > l) - goto err; - i = o; - while ((a[o] >= '0') && (a[o] <= '9') && (o <= l)) - o++; - /* Must have at least one digit after decimal point */ - if (i == o) - goto err; - } - - if (a[o] == 'Z') - o++; - else if ((a[o] == '+') || (a[o] == '-')) { - int offsign = a[o] == '-' ? 1 : -1, offset = 0; - o++; - if (o + 4 > l) - goto err; - for (i = 7; i < 9; i++) { - if ((a[o] < '0') || (a[o] > '9')) - goto err; - n = a[o] - '0'; - o++; - if ((a[o] < '0') || (a[o] > '9')) - goto err; - n = (n * 10) + a[o] - '0'; - if ((n < min[i]) || (n > max[i])) - goto err; - if (tm) { - if (i == 7) - offset = n * 3600; - else if (i == 8) - offset += n * 60; - } - o++; - } - if (offset && !OPENSSL_gmtime_adj(tm, 0, offset * offsign)) - return 0; - } else if (a[o]) { - /* Missing time zone information. */ - goto err; - } - return (o == l); - err: - return (0); + return 0; + return asn1_time_to_tm(tm, d); } int ASN1_GENERALIZEDTIME_check(const ASN1_GENERALIZEDTIME *d) @@ -247,16 +38,15 @@ int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, const char *str) t.type = V_ASN1_GENERALIZEDTIME; t.length = strlen(str); t.data = (unsigned char *)str; - if (ASN1_GENERALIZEDTIME_check(&t)) { - if (s != NULL) { - if (!ASN1_STRING_set((ASN1_STRING *)s, - (unsigned char *)str, t.length)) - return 0; - s->type = V_ASN1_GENERALIZEDTIME; - } - return (1); - } else - return (0); + t.flags = 0; + + if (!ASN1_GENERALIZEDTIME_check(&t)) + return 0; + + if (s != NULL && !ASN1_STRING_copy(s, &t)) + return 0; + + return 1; } ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s, @@ -269,44 +59,24 @@ ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *s, time_t t, int offset_day, long offset_sec) { - char *p; struct tm *ts; struct tm data; - size_t len = 20; - - if (s == NULL) - s = M_ASN1_GENERALIZEDTIME_new(); - if (s == NULL) - return (NULL); ts = OPENSSL_gmtime(&t, &data); if (ts == NULL) - return (NULL); + return NULL; if (offset_day || offset_sec) { if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec)) return NULL; } - p = (char *)s->data; - if ((p == NULL) || ((size_t)s->length < len)) { - p = OPENSSL_malloc(len); - if (p == NULL) { - ASN1err(ASN1_F_ASN1_GENERALIZEDTIME_ADJ, ERR_R_MALLOC_FAILURE); - return (NULL); - } - if (s->data != NULL) - OPENSSL_free(s->data); - s->data = (unsigned char *)p; - } + return asn1_time_from_tm(s, ts, V_ASN1_GENERALIZEDTIME); +} - BIO_snprintf(p, len, "%04d%02d%02d%02d%02d%02dZ", ts->tm_year + 1900, - ts->tm_mon + 1, ts->tm_mday, ts->tm_hour, ts->tm_min, - ts->tm_sec); - s->length = strlen(p); - s->type = V_ASN1_GENERALIZEDTIME; -#ifdef CHARSET_EBCDIC_not - ebcdic2ascii(s->data, s->data, s->length); -#endif - return (s); +int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm) +{ + if (tm->type != V_ASN1_GENERALIZEDTIME) + return 0; + return ASN1_TIME_print(bp, tm); } |