X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fasn1%2Fa_utctm.c;h=eadc31a4522ab96c6fe81f6258feb22407c2cac2;hp=379c30c7698231c6903746d992260e29826f4e15;hb=3dc87806ce4517d58600b44975e14247cee1c807;hpb=5569e1c39a9476838f6ea91fc37c2f8164398e6f diff --git a/crypto/asn1/a_utctm.c b/crypto/asn1/a_utctm.c index 379c30c769..eadc31a452 100644 --- a/crypto/asn1/a_utctm.c +++ b/crypto/asn1/a_utctm.c @@ -1,300 +1,255 @@ -/* crypto/asn1/a_utctm.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. +/* + * Copyright 1995-2016 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 -#ifdef VMS -#include -#include -#include -#endif -#include "cryptlib.h" +#include "internal/cryptlib.h" #include - -ASN1_UTCTIME *ASN1_UTCTIME_new(void) -{ return M_ASN1_UTCTIME_new(); } - -void ASN1_UTCTIME_free(ASN1_UTCTIME *x) -{ M_ASN1_UTCTIME_free(x); } - -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); - } - -int ASN1_UTCTIME_check(ASN1_UTCTIME *d) - { - static int min[8]={ 0, 1, 1, 0, 0, 0, 0, 0}; - static 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; - - 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); - } - -int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, char *str) - { - ASN1_UTCTIME t; - - t.type=V_ASN1_UTCTIME; - t.length=strlen(str); - t.data=(unsigned char *)str; - if (ASN1_UTCTIME_check(&t)) - { - if (s != NULL) - { - ASN1_STRING_set((ASN1_STRING *)s, - (unsigned char *)str,t.length); - } - return(1); - } - else - return(0); - } +#include "asn1_locl.h" + +int asn1_utctime_to_tm(struct tm *tm, const 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++; + 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 < 50 ? n + 100 : n; + break; + case 1: + tm->tm_mon = n - 1; + break; + case 2: + tm->tm_mday = n; + break; + case 3: + tm->tm_hour = n; + break; + case 4: + tm->tm_min = n; + break; + case 5: + tm->tm_sec = n; + break; + } + } + } + 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 = 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; + if (tm) { + if (i == 6) + offset = n * 3600; + else if (i == 7) + offset += n * 60; + } + o++; + } + if (offset && !OPENSSL_gmtime_adj(tm, 0, offset * offsign)) + return 0; + } + return o == l; + err: + return 0; +} + +int ASN1_UTCTIME_check(const ASN1_UTCTIME *d) +{ + return asn1_utctime_to_tm(NULL, d); +} + +int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str) +{ + ASN1_UTCTIME t; + + 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); +} ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t) - { - char *p; - struct tm *ts; -#if defined(THREADS) && !defined(WIN32) - struct tm data; -#endif - - if (s == NULL) - s=M_ASN1_UTCTIME_new(); - if (s == NULL) - return(NULL); - -#if defined(THREADS) && !defined(WIN32) - gmtime_r(&t,&data); /* should return &data, but doesn't on some systems, so we don't even look at the return value */ - ts=&data; -#else - ts=gmtime(&t); -#endif -#ifdef VMS - if (ts == NULL) - { - static $DESCRIPTOR(tabnam,"LNM$DCL_LOGICAL"); - static $DESCRIPTOR(lognam,"SYS$TIMEZONE_DIFFERENTIAL"); - char result[256]; - unsigned int reslen = 0; - struct { - short buflen; - short code; - void *bufaddr; - unsigned int *reslen; - } itemlist[] = { - { 0, LNM$_STRING, 0, 0 }, - { 0, 0, 0, 0 }, - }; - int status; - - /* Get the value for SYS$TIMEZONE_DIFFERENTIAL */ - itemlist[0].buflen = sizeof(result); - itemlist[0].bufaddr = result; - itemlist[0].reslen = &reslen; - status = sys$trnlnm(0, &tabnam, &lognam, 0, itemlist); - if (!(status & 1)) - return NULL; - result[reslen] = '\0'; - - /* Get the numerical value of the equivalence string */ - status = atoi(result); - - /* and use it to move time to GMT */ - t -= status; - - /* then convert the result to the time structure */ - ts=(struct tm *)localtime(&t); - } -#endif - p=(char *)s->data; - if ((p == NULL) || (s->length < 14)) - { - p=Malloc(20); - if (p == NULL) return(NULL); - if (s->data != NULL) - Free(s->data); - s->data=(unsigned char *)p; - } - - sprintf(p,"%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; +{ + return ASN1_UTCTIME_adj(s, t, 0, 0); +} + +ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t, + int offset_day, long offset_sec) +{ + char *p; + struct tm *ts; + struct tm data; + size_t len = 20; + int free_s = 0; + + if (s == NULL) { + s = ASN1_UTCTIME_new(); + if (s == NULL) + goto err; + free_s = 1; + } + + ts = OPENSSL_gmtime(&t, &data); + if (ts == NULL) + goto err; + + if (offset_day || offset_sec) { + if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec)) + goto err; + } + + if ((ts->tm_year < 50) || (ts->tm_year >= 150)) + goto err; + + p = (char *)s->data; + if ((p == NULL) || ((size_t)s->length < len)) { + p = OPENSSL_malloc(len); + if (p == NULL) { + ASN1err(ASN1_F_ASN1_UTCTIME_ADJ, ERR_R_MALLOC_FAILURE); + goto err; + } + 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); + ebcdic2ascii(s->data, s->data, s->length); #endif - return(s); - } - -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 timegm(&tm)-offset*60; /* FIXME: timegm is non-standard, - * typically we only have mktime (which - * interprets the struct tm according to - * the current time zone setting). - * Also time_t is inappropriate for general - * UTC times because it may a 32 bit type. */ - } + return (s); + err: + if (free_s) + ASN1_UTCTIME_free(s); + return NULL; +} + +int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t) +{ + struct tm stm, ttm; + int day, sec; + + if (!asn1_utctime_to_tm(&stm, s)) + return -2; + + if (!OPENSSL_gmtime(&t, &ttm)) + return -2; + + if (!OPENSSL_gmtime_diff(&day, &sec, &ttm, &stm)) + return -2; + + if (day > 0) + return 1; + if (day < 0) + return -1; + if (sec > 0) + return 1; + if (sec < 0) + return -1; + return 0; +} + +int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm) +{ + const char *v; + int gmt = 0; + int i; + int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0; + + i = tm->length; + v = (const char *)tm->data; + + if (i < 10) + goto err; + if (v[i - 1] == 'Z') + gmt = 1; + for (i = 0; i < 10; i++) + if ((v[i] > '9') || (v[i] < '0')) + goto err; + y = (v[0] - '0') * 10 + (v[1] - '0'); + if (y < 50) + y += 100; + M = (v[2] - '0') * 10 + (v[3] - '0'); + if ((M > 12) || (M < 1)) + goto err; + d = (v[4] - '0') * 10 + (v[5] - '0'); + h = (v[6] - '0') * 10 + (v[7] - '0'); + m = (v[8] - '0') * 10 + (v[9] - '0'); + if (tm->length >= 12 && + (v[10] >= '0') && (v[10] <= '9') && (v[11] >= '0') && (v[11] <= '9')) + s = (v[10] - '0') * 10 + (v[11] - '0'); + + if (BIO_printf(bp, "%s %2d %02d:%02d:%02d %d%s", + _asn1_mon[M - 1], d, h, m, s, y + 1900, + (gmt) ? " GMT" : "") <= 0) + return (0); + else + return (1); + err: + BIO_write(bp, "Bad time value", 14); + return (0); +}