98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
// Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) All rights reserved.
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
#include <openssl/asn1.h>
|
|
#include <openssl/bytestring.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/mem.h>
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
|
|
#include "internal.h"
|
|
|
|
int asn1_generalizedtime_to_tm(struct tm *tm, const ASN1_GENERALIZEDTIME *d) {
|
|
if (d->type != V_ASN1_GENERALIZEDTIME) {
|
|
return 0;
|
|
}
|
|
CBS cbs;
|
|
CBS_init(&cbs, d->data, (size_t)d->length);
|
|
if (!CBS_parse_generalized_time(&cbs, tm, /*allow_timezone_offset=*/0)) {
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int ASN1_GENERALIZEDTIME_check(const ASN1_GENERALIZEDTIME *d) {
|
|
return asn1_generalizedtime_to_tm(NULL, d);
|
|
}
|
|
|
|
int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, const char *str) {
|
|
size_t len = strlen(str);
|
|
CBS cbs;
|
|
CBS_init(&cbs, (const uint8_t *)str, len);
|
|
if (!CBS_parse_generalized_time(&cbs, /*out_tm=*/NULL,
|
|
/*allow_timezone_offset=*/0)) {
|
|
return 0;
|
|
}
|
|
if (s != NULL) {
|
|
if (!ASN1_STRING_set(s, str, len)) {
|
|
return 0;
|
|
}
|
|
s->type = V_ASN1_GENERALIZEDTIME;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s,
|
|
int64_t posix_time) {
|
|
return ASN1_GENERALIZEDTIME_adj(s, posix_time, 0, 0);
|
|
}
|
|
|
|
ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *s,
|
|
int64_t posix_time, int offset_day,
|
|
long offset_sec) {
|
|
struct tm data;
|
|
if (!OPENSSL_posix_to_tm(posix_time, &data)) {
|
|
return NULL;
|
|
}
|
|
|
|
if (offset_day || offset_sec) {
|
|
if (!OPENSSL_gmtime_adj(&data, offset_day, offset_sec)) {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
if (data.tm_year < 0 - 1900 || data.tm_year > 9999 - 1900) {
|
|
OPENSSL_PUT_ERROR(ASN1, ASN1_R_ILLEGAL_TIME_VALUE);
|
|
return NULL;
|
|
}
|
|
|
|
char buf[16];
|
|
int ret = snprintf(buf, sizeof(buf), "%04d%02d%02d%02d%02d%02dZ",
|
|
data.tm_year + 1900, data.tm_mon + 1, data.tm_mday,
|
|
data.tm_hour, data.tm_min, data.tm_sec);
|
|
if (ret != (int)(sizeof(buf) - 1)) {
|
|
abort(); // |snprintf| should neither truncate nor write fewer bytes.
|
|
}
|
|
|
|
int free_s = 0;
|
|
if (s == NULL) {
|
|
free_s = 1;
|
|
s = ASN1_UTCTIME_new();
|
|
if (s == NULL) {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
if (!ASN1_STRING_set(s, buf, strlen(buf))) {
|
|
if (free_s) {
|
|
ASN1_UTCTIME_free(s);
|
|
}
|
|
return NULL;
|
|
}
|
|
s->type = V_ASN1_GENERALIZEDTIME;
|
|
return s;
|
|
}
|