Updates from 1.0.0-stable
[openssl.git] / crypto / asn1 / a_time.c
index 6e5e9d845dc31afaba84798cc7f7f36ce43691ed..7be158da260b446c7d1d5fca806e3116a0dae263 100644 (file)
@@ -100,15 +100,29 @@ 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_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)
@@ -125,6 +139,7 @@ ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(ASN1_TIME *t, ASN1_GENERALIZE
        {
        ASN1_GENERALIZEDTIME *ret;
        char *str;
+       int newlen;
 
        if (!ASN1_TIME_check(t)) return NULL;
 
@@ -147,12 +162,36 @@ ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(ASN1_TIME *t, ASN1_GENERALIZE
        /* 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') strcpy(str, "19");
-       else strcpy(str, "20");
+       if (t->data[0] >= '5') BUF_strlcpy(str, "19", newlen);
+       else BUF_strlcpy(str, "20", newlen);
 
-       BUF_strlcat(str, (char *)t->data, t->length+2);
+       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.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;
+       }