From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- openssl-1.1.0h/crypto/asn1/a_utctm.c | 254 +++++++++++++++++++++++++++++++++++ 1 file changed, 254 insertions(+) create mode 100644 openssl-1.1.0h/crypto/asn1/a_utctm.c (limited to 'openssl-1.1.0h/crypto/asn1/a_utctm.c') diff --git a/openssl-1.1.0h/crypto/asn1/a_utctm.c b/openssl-1.1.0h/crypto/asn1/a_utctm.c new file mode 100644 index 0000000..9797aa8 --- /dev/null +++ b/openssl-1.1.0h/crypto/asn1/a_utctm.c @@ -0,0 +1,254 @@ +/* + * Copyright 1995-2016 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 + */ + +#include +#include +#include "internal/cryptlib.h" +#include +#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, 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) +{ + 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); +#endif + 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); +} -- cgit v1.2.3