X-Git-Url: https://git.openssl.org/gitweb/?a=blobdiff_plain;f=crypto%2Fasn1%2Fa_utctm.c;h=b224991aa3df1ee06e3d5e53ce5a9dfd25c75a18;hb=de5b3a8645a3b2dd22fa8866e64488eb2b69777d;hp=2d15ff3c14e0d78e82b794ff8395360398e17c77;hpb=ebc06fba67a84f4fb397863f6e5eb4212c25d4e5;p=openssl.git diff --git a/crypto/asn1/a_utctm.c b/crypto/asn1/a_utctm.c index 2d15ff3c14..b224991aa3 100644 --- a/crypto/asn1/a_utctm.c +++ b/crypto/asn1/a_utctm.c @@ -1,303 +1,98 @@ -/* crypto/asn1/a_utctm.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. +/* + * Copyright 1995-2017 The OpenSSL Project Authors. 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. - * - * 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 */ #include #include -#include "cryptlib.h" -#include "o_time.h" +#include "internal/cryptlib.h" #include +#include "asn1_locl.h" + +/* This is the primary function used to parse ASN1_UTCTIME */ +int asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d) +{ + /* wrapper around ans1_time_to_tm */ + if (d->type != V_ASN1_UTCTIME) + return 0; + return asn1_time_to_tm(tm, d); +} + +int ASN1_UTCTIME_check(const ASN1_UTCTIME *d) +{ + return asn1_utctime_to_tm(NULL, d); +} + +/* Sets the string via simple copy without cleaning it up */ +int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str) +{ + ASN1_UTCTIME t; -#if 0 -int i2d_ASN1_UTCTIME(ASN1_UTCTIME *a, unsigned char **pp) - { -#ifndef CHARSET_EBCDIC - return(i2d_ASN1_bytes((ASN1_STRING *)a,pp, - V_ASN1_UTCTIME,V_ASN1_UNIVERSAL)); -#else - /* KLUDGE! We convert to ascii before writing DER */ - int len; - char tmp[24]; - ASN1_STRING x = *(ASN1_STRING *)a; - - len = x.length; - ebcdic2ascii(tmp, x.data, (len >= sizeof tmp) ? sizeof tmp : len); - x.data = tmp; - return i2d_ASN1_bytes(&x, pp, V_ASN1_UTCTIME,V_ASN1_UNIVERSAL); -#endif - } - - -ASN1_UTCTIME *d2i_ASN1_UTCTIME(ASN1_UTCTIME **a, unsigned char **pp, - long length) - { - ASN1_UTCTIME *ret=NULL; - - ret=(ASN1_UTCTIME *)d2i_ASN1_bytes((ASN1_STRING **)a,pp,length, - V_ASN1_UTCTIME,V_ASN1_UNIVERSAL); - if (ret == NULL) - { - ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ERR_R_NESTED_ASN1_ERROR); - return(NULL); - } -#ifdef CHARSET_EBCDIC - ascii2ebcdic(ret->data, ret->data, ret->length); -#endif - if (!ASN1_UTCTIME_check(ret)) - { - ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ASN1_R_INVALID_TIME_FORMAT); - goto err; - } - - return(ret); -err: - if ((ret != NULL) && ((a == NULL) || (*a != ret))) - M_ASN1_UTCTIME_free(ret); - return(NULL); - } - -#endif - -int ASN1_UTCTIME_check(ASN1_UTCTIME *d) - { - static const int min[8]={ 0, 1, 1, 0, 0, 0, 0, 0}; - static const int max[8]={99,12,31,23,59,59,12,59}; - char *a; - int n,i,l,o; - - if (d->type != V_ASN1_UTCTIME) return(0); - l=d->length; - a=(char *)d->data; - o=0; - - if (l < 11) goto err; - for (i=0; i<6; i++) - { - if ((i == 5) && ((a[o] == 'Z') || - (a[o] == '+') || (a[o] == '-'))) - { i++; 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; + t.type = V_ASN1_UTCTIME; + t.length = strlen(str); + t.data = (unsigned char *)str; + t.flags = 0; - if ((n < min[i]) || (n > max[i])) goto err; - } - if (a[o] == 'Z') - o++; - else if ((a[o] == '+') || (a[o] == '-')) - { - o++; - if (o+4 > l) goto err; - for (i=6; i<8; 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; - o++; - } - } - return(o == l); -err: - return(0); - } + if (!ASN1_UTCTIME_check(&t)) + return 0; -int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str) - { - ASN1_UTCTIME t; + if (s != NULL && !ASN1_STRING_copy(s, &t)) + return 0; - t.type=V_ASN1_UTCTIME; - t.length=strlen(str); - t.data=(unsigned char *)str; - if (ASN1_UTCTIME_check(&t)) - { - if (s != NULL) - { - if (!ASN1_STRING_set((ASN1_STRING *)s, - (unsigned char *)str,t.length)) - return 0; - s->type = V_ASN1_UTCTIME; - } - return(1); - } - else - return(0); - } + return 1; +} ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t) - { - char *p; - struct tm *ts; - struct tm data; - size_t len = 20; +{ + return ASN1_UTCTIME_adj(s, t, 0, 0); +} - if (s == NULL) - s=M_ASN1_UTCTIME_new(); - if (s == NULL) - return(NULL); +ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t, + int offset_day, long offset_sec) +{ + struct tm *ts; + struct tm data; - ts=OPENSSL_gmtime(&t, &data); - if (ts == NULL) - return(NULL); + ts = OPENSSL_gmtime(&t, &data); + if (ts == NULL) + 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_UTCTIME_SET,ERR_R_MALLOC_FAILURE); - return(NULL); - } - if (s->data != NULL) - OPENSSL_free(s->data); - s->data=(unsigned char *)p; - } - - BIO_snprintf(p,len,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100, - ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec); - s->length=strlen(p); - s->type=V_ASN1_UTCTIME; -#ifdef CHARSET_EBCDIC_not - ebcdic2ascii(s->data, s->data, s->length); -#endif - return(s); - } + if (offset_day || offset_sec) { + if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec)) + return NULL; + } + return asn1_time_from_tm(s, ts, V_ASN1_UTCTIME); +} int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t) - { - struct tm *tm; - struct tm data; - int offset; - int year; - -#define g2(p) (((p)[0]-'0')*10+(p)[1]-'0') - - if (s->data[12] == 'Z') - offset=0; - else - { - offset = g2(s->data+13)*60+g2(s->data+15); - if (s->data[12] == '-') - offset = -offset; - } - - t -= offset*60; /* FIXME: may overflow in extreme cases */ - - tm = OPENSSL_gmtime(&t, &data); - -#define return_cmp(a,b) if ((a)<(b)) return -1; else if ((a)>(b)) return 1 - year = g2(s->data); - if (year < 50) - year += 100; - return_cmp(year, tm->tm_year); - return_cmp(g2(s->data+2) - 1, tm->tm_mon); - return_cmp(g2(s->data+4), tm->tm_mday); - return_cmp(g2(s->data+6), tm->tm_hour); - return_cmp(g2(s->data+8), tm->tm_min); - return_cmp(g2(s->data+10), tm->tm_sec); -#undef g2 -#undef return_cmp - - return 0; - } - - -#if 0 -time_t ASN1_UTCTIME_get(const ASN1_UTCTIME *s) - { - struct tm tm; - int offset; - - memset(&tm,'\0',sizeof tm); - -#define g2(p) (((p)[0]-'0')*10+(p)[1]-'0') - tm.tm_year=g2(s->data); - if(tm.tm_year < 50) - tm.tm_year+=100; - tm.tm_mon=g2(s->data+2)-1; - tm.tm_mday=g2(s->data+4); - tm.tm_hour=g2(s->data+6); - tm.tm_min=g2(s->data+8); - tm.tm_sec=g2(s->data+10); - if(s->data[12] == 'Z') - offset=0; - else - { - offset=g2(s->data+13)*60+g2(s->data+15); - if(s->data[12] == '-') - offset= -offset; - } -#undef g2 - - return mktime(&tm)-offset*60; /* FIXME: mktime assumes the current timezone - * instead of UTC, and unless we rewrite OpenSSL - * in Lisp we cannot locally change the timezone - * without possibly interfering with other parts - * of the program. timegm, which uses UTC, is - * non-standard. - * Also time_t is inappropriate for general - * UTC times because it may a 32 bit type. */ - } -#endif +{ + struct tm stm, ttm; + int day, sec; + + if (!asn1_utctime_to_tm(&stm, s)) + return -2; + + if (OPENSSL_gmtime(&t, &ttm) == NULL) + return -2; + + if (!OPENSSL_gmtime_diff(&day, &sec, &ttm, &stm)) + return -2; + + if (day > 0 || sec > 0) + return 1; + if (day < 0 || sec < 0) + return -1; + return 0; +} + +int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm) +{ + if (tm->type != V_ASN1_UTCTIME) + return 0; + return ASN1_TIME_print(bp, tm); +}