New function EVP_PKEY_asn1_copy(). Use default MD if type param is NULL.
[openssl.git] / crypto / asn1 / a_utctm.c
index ed2d827db2f221511f58e5ed59d89d2c2eec063c..d31c0281930b4ac504f168e30ae6492c162ce799 100644 (file)
@@ -162,7 +162,7 @@ err:
        return(0);
        }
 
-int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, char *str)
+int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str)
        {
        ASN1_UTCTIME t;
 
@@ -173,8 +173,9 @@ int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, char *str)
                {
                if (s != NULL)
                        {
-                       ASN1_STRING_set((ASN1_STRING *)s,
-                               (unsigned char *)str,t.length);
+                       if (!ASN1_STRING_set((ASN1_STRING *)s,
+                               (unsigned char *)str,t.length))
+                               return 0;
                        s->type = V_ASN1_UTCTIME;
                        }
                return(1);
@@ -188,6 +189,7 @@ ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
        char *p;
        struct tm *ts;
        struct tm data;
+       size_t len = 20;
 
        if (s == NULL)
                s=M_ASN1_UTCTIME_new();
@@ -199,17 +201,21 @@ ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
                return(NULL);
 
        p=(char *)s->data;
-       if ((p == NULL) || (s->length < 14))
+       if ((p == NULL) || ((size_t)s->length < len))
                {
-               p=OPENSSL_malloc(20);
-               if (p == NULL) return(NULL);
+               p=OPENSSL_malloc(len);
+               if (p == NULL)
+                       {
+                       ASN1err(ASN1_F_ASN1_UTCTIME_SET,ERR_R_MALLOC_FAILURE);
+                       return(NULL);
+                       }
                if (s->data != NULL)
                        OPENSSL_free(s->data);
                s->data=(unsigned char *)p;
                }
 
-       sprintf(p,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100,
-               ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
+       BIO_snprintf(p,len,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100,
+                    ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
        s->length=strlen(p);
        s->type=V_ASN1_UTCTIME;
 #ifdef CHARSET_EBCDIC_not
@@ -222,6 +228,7 @@ ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
 int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
        {
        struct tm *tm;
+       struct tm data;
        int offset;
        int year;
 
@@ -238,7 +245,7 @@ int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
 
        t -= offset*60; /* FIXME: may overflow in extreme cases */
 
-       { struct tm data; tm = OPENSSL_gmtime(&t, &data); }
+       tm = OPENSSL_gmtime(&t, &data);
        
 #define return_cmp(a,b) if ((a)<(b)) return -1; else if ((a)>(b)) return 1
        year = g2(s->data);