X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fasn1%2Fa_time.c;h=27f9bc6808fae58f1171c7c486061a7684ba48d5;hp=e0d3d42d67ffa9a60e6325d02371659ab50c0d27;hb=1c036c6443af3d0d912f074b0a2c4055c804115c;hpb=46a6cec6998b84d85240dfb99af235c8a0854a31 diff --git a/crypto/asn1/a_time.c b/crypto/asn1/a_time.c index e0d3d42d67..27f9bc6808 100644 --- a/crypto/asn1/a_time.c +++ b/crypto/asn1/a_time.c @@ -1,70 +1,22 @@ -/* crypto/asn1/a_time.c */ -/* ==================================================================== - * Copyright (c) 1999 The OpenSSL Project. All rights reserved. - * - * 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 above 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 acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED 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 OpenSSL PROJECT OR - * ITS 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. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). +/* + * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved. * + * 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 */ - -/* This is an implementation of the ASN1 Time structure which is: +/*- + * This is an implementation of the ASN1 Time structure which is: * Time ::= CHOICE { * utcTime UTCTime, * generalTime GeneralizedTime } - * written by Steve Henson. */ #include #include -#include "cryptlib.h" -#include "o_time.h" +#include "internal/cryptlib.h" #include #include "asn1_locl.h" @@ -72,158 +24,154 @@ IMPLEMENT_ASN1_MSTRING(ASN1_TIME, B_ASN1_TIME) IMPLEMENT_ASN1_FUNCTIONS(ASN1_TIME) -#if 0 -int i2d_ASN1_TIME(ASN1_TIME *a, unsigned char **pp) - { -#ifdef CHARSET_EBCDIC - /* KLUDGE! We convert to ascii before writing DER */ - char tmp[24]; - ASN1_STRING tmpstr; - - if(a->type == V_ASN1_UTCTIME || a->type == V_ASN1_GENERALIZEDTIME) { - int len; - - 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 - if(a->type == V_ASN1_UTCTIME || a->type == V_ASN1_GENERALIZEDTIME) - return(i2d_ASN1_bytes((ASN1_STRING *)a,pp, - a->type ,V_ASN1_UNIVERSAL)); - ASN1err(ASN1_F_I2D_ASN1_TIME,ASN1_R_EXPECTING_A_TIME); - return -1; - } -#endif - - ASN1_TIME *ASN1_TIME_set(ASN1_TIME *s, time_t t) - { - return ASN1_TIME_adj(s, t, 0, 0); - } +{ + return ASN1_TIME_adj(s, t, 0, 0); +} ASN1_TIME *ASN1_TIME_adj(ASN1_TIME *s, time_t t, - int offset_day, long offset_sec) - { - struct tm *ts; - struct tm data; - - ts=OPENSSL_gmtime(&t,&data); - if (ts == NULL) - { - ASN1err(ASN1_F_ASN1_TIME_ADJ, ASN1_R_ERROR_GETTING_TIME); - return NULL; - } - if (offset_day || offset_sec) - { - if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec)) - return NULL; - } - if((ts->tm_year >= 50) && (ts->tm_year < 150)) - return ASN1_UTCTIME_adj(s, t, offset_day, offset_sec); - return ASN1_GENERALIZEDTIME_adj(s, t, offset_day, offset_sec); - } + int offset_day, long offset_sec) +{ + struct tm *ts; + struct tm data; + + ts = OPENSSL_gmtime(&t, &data); + if (ts == NULL) { + ASN1err(ASN1_F_ASN1_TIME_ADJ, ASN1_R_ERROR_GETTING_TIME); + return NULL; + } + if (offset_day || offset_sec) { + if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec)) + return NULL; + } + if ((ts->tm_year >= 50) && (ts->tm_year < 150)) + return ASN1_UTCTIME_adj(s, t, offset_day, offset_sec); + return ASN1_GENERALIZEDTIME_adj(s, t, offset_day, offset_sec); +} int ASN1_TIME_check(const ASN1_TIME *t) - { - if (t->type == V_ASN1_GENERALIZEDTIME) - return ASN1_GENERALIZEDTIME_check(t); - else if (t->type == V_ASN1_UTCTIME) - return ASN1_UTCTIME_check(t); - return 0; - } +{ + if (t->type == V_ASN1_GENERALIZEDTIME) + return ASN1_GENERALIZEDTIME_check(t); + else if (t->type == V_ASN1_UTCTIME) + return ASN1_UTCTIME_check(t); + return 0; +} /* Convert an ASN1_TIME structure to GeneralizedTime */ -ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(ASN1_TIME *t, ASN1_GENERALIZEDTIME **out) - { - ASN1_GENERALIZEDTIME *ret; - char *str; - int newlen; - - if (!ASN1_TIME_check(t)) return NULL; - - if (!out || !*out) - { - if (!(ret = ASN1_GENERALIZEDTIME_new ())) - return NULL; - if (out) *out = ret; - } - else ret = *out; - - /* If already GeneralizedTime just copy across */ - if (t->type == V_ASN1_GENERALIZEDTIME) - { - if(!ASN1_STRING_set(ret, t->data, t->length)) - return NULL; - return ret; - } - - /* grow the string */ - if (!ASN1_STRING_set(ret, NULL, t->length + 2)) - return NULL; - /* ASN1_STRING_set() allocated 'len + 1' bytes. */ - newlen = t->length + 2 + 1; - str = (char *)ret->data; - /* Work out the century and prepend */ - if (t->data[0] >= '5') BUF_strlcpy(str, "19", newlen); - else BUF_strlcpy(str, "20", newlen); - - BUF_strlcat(str, (char *)t->data, newlen); - - return ret; - } +ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(const ASN1_TIME *t, + ASN1_GENERALIZEDTIME **out) +{ + ASN1_GENERALIZEDTIME *ret = NULL; + char *str; + int newlen; + + if (!ASN1_TIME_check(t)) + return NULL; + + if (out == NULL || *out == NULL) { + if ((ret = ASN1_GENERALIZEDTIME_new()) == NULL) + goto err; + } else + ret = *out; + + /* If already GeneralizedTime just copy across */ + if (t->type == V_ASN1_GENERALIZEDTIME) { + if (!ASN1_STRING_set(ret, t->data, t->length)) + goto err; + goto done; + } + + /* grow the string */ + if (!ASN1_STRING_set(ret, NULL, t->length + 2)) + goto err; + /* ASN1_STRING_set() allocated 'len + 1' bytes. */ + newlen = t->length + 2 + 1; + str = (char *)ret->data; + /* Work out the century and prepend */ + if (t->data[0] >= '5') + OPENSSL_strlcpy(str, "19", newlen); + else + OPENSSL_strlcpy(str, "20", newlen); + + OPENSSL_strlcat(str, (const char *)t->data, newlen); + + done: + if (out != NULL && *out == NULL) + *out = ret; + return ret; + + err: + if (out == NULL || *out != ret) + ASN1_GENERALIZEDTIME_free(ret); + return NULL; +} + int ASN1_TIME_set_string(ASN1_TIME *s, const char *str) - { - ASN1_TIME t; - - t.length = strlen(str); - t.data = (unsigned char *)str; - t.flags = 0; - - t.type = V_ASN1_UTCTIME; - - if (!ASN1_TIME_check(&t)) - { - t.type = V_ASN1_GENERALIZEDTIME; - if (!ASN1_TIME_check(&t)) - return 0; - } - - if (s && !ASN1_STRING_copy((ASN1_STRING *)s, (ASN1_STRING *)&t)) - return 0; - - return 1; - } - -static int asn1_time_to_tm(struct tm *tm, const ASN1_TIME *t) - { - if (t == NULL) - { - time_t now_t; - time(&now_t); - if (OPENSSL_gmtime(&now_t, tm)) - return 1; - return 0; - } - - if (t->type == V_ASN1_UTCTIME) - return asn1_utctime_to_tm(tm, t); - else if (t->type == V_ASN1_GENERALIZEDTIME) - return asn1_generalizedtime_to_tm(tm, t); - - return 0; - } +{ + ASN1_TIME t; + + t.length = strlen(str); + t.data = (unsigned char *)str; + t.flags = 0; + + t.type = V_ASN1_UTCTIME; + + if (!ASN1_TIME_check(&t)) { + t.type = V_ASN1_GENERALIZEDTIME; + if (!ASN1_TIME_check(&t)) + return 0; + } + + if (s && !ASN1_STRING_copy((ASN1_STRING *)s, (ASN1_STRING *)&t)) + return 0; + + return 1; +} + +int ASN1_TIME_to_tm(const ASN1_TIME *s, struct tm *tm) +{ + if (s == NULL) { + time_t now_t; + + time(&now_t); + memset(tm, 0, sizeof(*tm)); + if (OPENSSL_gmtime(&now_t, tm)) + return 1; + return 0; + } + + if (s->type == V_ASN1_UTCTIME) { + memset(tm, 0, sizeof(*tm)); + return asn1_utctime_to_tm(tm, s); + } + if (s->type == V_ASN1_GENERALIZEDTIME) { + memset(tm, 0, sizeof(*tm)); + return asn1_generalizedtime_to_tm(tm, s); + } + + return 0; +} int ASN1_TIME_diff(int *pday, int *psec, - const ASN1_TIME *from, const ASN1_TIME *to) - { - struct tm tm_from, tm_to; - if (!asn1_time_to_tm(&tm_from, from)) - return 0; - if (!asn1_time_to_tm(&tm_to, to)) - return 0; - return OPENSSL_gmtime_diff(pday, psec, &tm_from, &tm_to); - } + const ASN1_TIME *from, const ASN1_TIME *to) +{ + struct tm tm_from, tm_to; + + if (!ASN1_TIME_to_tm(from, &tm_from)) + return 0; + if (!ASN1_TIME_to_tm(to, &tm_to)) + return 0; + return OPENSSL_gmtime_diff(pday, psec, &tm_from, &tm_to); +} + +int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm) +{ + if (tm->type == V_ASN1_UTCTIME) + return ASN1_UTCTIME_print(bp, tm); + if (tm->type == V_ASN1_GENERALIZEDTIME) + return ASN1_GENERALIZEDTIME_print(bp, tm); + BIO_write(bp, "Bad time value", 14); + return (0); +}