1 files changed, 65 insertions, 3 deletions

diff --git a/Cryptlib/OpenSSL/crypto/asn1/a_time.c b/Cryptlib/OpenSSL/crypto/asn1/a_time.c
index 34ac7202..fcb2d565 100644
--- a/Cryptlib/OpenSSL/crypto/asn1/a_time.c
+++ b/Cryptlib/OpenSSL/crypto/asn1/a_time.c
@@ -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)
 
@@ -100,17 +101,27 @@ int i2d_ASN1_TIME(ASN1_TIME *a, unsigned char **pp)
 
 ASN1_TIME *ASN1_TIME_set(ASN1_TIME *s, time_t t)
 {
+    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_SET, ASN1_R_ERROR_GETTING_TIME);
+        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_set(s, t);
-    return ASN1_GENERALIZEDTIME_set(s, t);
+        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)
@@ -164,3 +175,54 @@ ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(ASN1_TIME *t,
 
     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;
+}
+
+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);
+}