Move functions.
[openssl.git] / crypto / asn1 / a_time.c
index 577e2634022cdf007a072c839bee40480d9c87ee..ff82beb3ee827ba5faeaa7af294fdc8b509e65e0 100644 (file)
@@ -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 }
 
 #include <stdio.h>
 #include <time.h>
-#include "cryptlib.h"
-#include "o_time.h"
+#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)
 
-#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;
-       }
-#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_SET, 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;
-       }
+                         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 || !*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 == 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);
+}
+
+int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm)
+{
+    if (tm->type == V_ASN1_UTCTIME)
+        return ASN1_UTCTIME_print(bp, tm);
+    if (tm->type == V_ASN1_GENERALIZEDTIME)
+        return ASN1_GENERALIZEDTIME_print(bp, tm);
+    BIO_write(bp, "Bad time value", 14);
+    return (0);
+}