Remove references to o_time.h
[openssl.git] / crypto / asn1 / a_time.c
index 27ddd30899bdcfa29dbfe34d7193bdaa69e5b140..7036868fcc110a1cda653bcb2f699541911f0f65 100644 (file)
@@ -64,8 +64,8 @@
 #include <stdio.h>
 #include <time.h>
 #include "cryptlib.h"
-#include "o_time.h"
 #include <openssl/asn1t.h>
+#include "asn1_locl.h"
 
 IMPLEMENT_ASN1_MSTRING(ASN1_TIME, B_ASN1_TIME)
 
@@ -100,18 +100,32 @@ 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)
+int ASN1_TIME_check(const ASN1_TIME *t)
        {
        if (t->type == V_ASN1_GENERALIZEDTIME)
                return ASN1_GENERALIZEDTIME_check(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 +162,67 @@ 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);
 
-       strcat(str, (char *)t->data);
+       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);
+       }