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Diffstat (limited to 'openssl/crypto/asn1/a_time.c')
-rw-r--r--openssl/crypto/asn1/a_time.c260
1 files changed, 145 insertions, 115 deletions
diff --git a/openssl/crypto/asn1/a_time.c b/openssl/crypto/asn1/a_time.c
index e2eb9b243..fcb2d565c 100644
--- a/openssl/crypto/asn1/a_time.c
+++ b/openssl/crypto/asn1/a_time.c
@@ -7,7 +7,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * 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
@@ -53,8 +53,8 @@
*
*/
-
-/* 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 }
@@ -66,6 +66,7 @@
#include "cryptlib.h"
#include "o_time.h"
#include <openssl/asn1t.h>
+#include "asn1_locl.h"
IMPLEMENT_ASN1_MSTRING(ASN1_TIME, B_ASN1_TIME)
@@ -73,126 +74,155 @@ 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;
- }
+{
+# 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(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(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;
+}
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;
- }
+{
+ 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;
+}
+
+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);
+}