+
+/* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
+#if defined(OPENSSL_SYS_MSDOS)
+int has_stdin_waiting(void)
+{
+# if defined(OPENSSL_SYS_WINDOWS)
+ HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
+ DWORD events = 0;
+ INPUT_RECORD inputrec;
+ DWORD insize = 1;
+ BOOL peeked;
+
+ if (inhand == INVALID_HANDLE_VALUE) {
+ return 0;
+ }
+
+ peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
+ if (!peeked) {
+ /* Probably redirected input? _kbhit() does not work in this case */
+ if (!feof(stdin)) {
+ return 1;
+ }
+ return 0;
+ }
+# endif
+ return _kbhit();
+}
+#endif
+
+/* Corrupt a signature by modifying final byte */
+void corrupt_signature(const ASN1_STRING *signature)
+{
+ unsigned char *s = signature->data;
+ s[signature->length - 1] ^= 0x1;
+}
+
+int set_cert_times(X509 *x, const char *startdate, const char *enddate,
+ int days)
+{
+ if (startdate == NULL || strcmp(startdate, "today") == 0) {
+ if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
+ return 0;
+ } else {
+ if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
+ return 0;
+ }
+ if (enddate == NULL) {
+ if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
+ == NULL)
+ return 0;
+ } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
+ return 0;
+ }
+ return 1;
+}
+
+void make_uppercase(char *string)
+{
+ int i;
+
+ for (i = 0; string[i] != '\0'; i++)
+ string[i] = toupper((unsigned char)string[i]);
+}