X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fasn1%2Fa_time.c;h=c2b556523bc17829ca9c546c64a8043c5a079724;hb=25a5d1b8c425d9434ed8b2bec53d20ab8c14f886;hp=848688b7dbd6aa6df969bbd7e12beaf89fa6a5a2;hpb=afd1f9e80bb848bf1fa36ae3b9bfc51d63750525;p=oweals%2Fopenssl.git

diff --git a/crypto/asn1/a_time.c b/crypto/asn1/a_time.c
index 848688b7db..c2b556523b 100644
--- a/crypto/asn1/a_time.c
+++ b/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 }
@@ -63,46 +63,138 @@
 
 #include <stdio.h>
 #include <time.h>
-#include "cryptlib.h"
-#include <openssl/asn1.h>
-
-int i2d_ASN1_TIME(ASN1_TIME *a, unsigned char **pp)
-	{
-	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;
-	}
-
-
-ASN1_TIME *d2i_ASN1_TIME(ASN1_TIME **a, unsigned char **pp, long length)
-	{
-	unsigned char tag;
-	tag = **pp & ~V_ASN1_CONSTRUCTED;
-	if(tag == (V_ASN1_UTCTIME|V_ASN1_UNIVERSAL))
-					 return d2i_ASN1_UTCTIME(a, pp, length);
-	if(tag == (V_ASN1_GENERALIZEDTIME|V_ASN1_UNIVERSAL))
-				return d2i_ASN1_GENERALIZEDTIME(a, pp, length);
-	ASN1err(ASN1_F_D2I_ASN1_TIME,ASN1_R_EXPECTING_A_TIME);
-	return(NULL);
-	}
+#include "internal/cryptlib.h"
+#include <openssl/asn1t.h>
+#include "asn1_locl.h"
+
+IMPLEMENT_ASN1_MSTRING(ASN1_TIME, B_ASN1_TIME)
 
+IMPLEMENT_ASN1_FUNCTIONS(ASN1_TIME)
 
 ASN1_TIME *ASN1_TIME_set(ASN1_TIME *s, time_t t)
-	{
-	struct tm *ts;
-#if defined(THREADS) && !defined(WIN32)
-	struct tm data;
-#endif
-
-#if defined(THREADS) && !defined(WIN32)
-	gmtime_r(&t,&data);
-    ts=&data;
-#else
-	ts=gmtime(&t);
-#endif
-	if((ts->tm_year >= 1950) && (ts->tm_year < 2050))
-					return ASN1_UTCTIME_set(s, t);
-	return ASN1_GENERALIZEDTIME_set(s,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_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(const 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;
+}
+
+/* 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 == NULL || *out == NULL) {
+        if ((ret = ASN1_GENERALIZEDTIME_new()) == NULL)
+            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;
+}
+
+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);
+}