+
+ if (istext(format) && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
+ if (prefix_method == NULL)
+ prefix_method = apps_bf_prefix();
+ b = BIO_push(BIO_new(prefix_method), b);
+ BIO_ctrl(b, PREFIX_CTRL_SET_PREFIX, 0, prefix);
+ }
+
+ return b;
+}
+
+BIO *dup_bio_err(int format)
+{
+ BIO *b = BIO_new_fp(stderr,
+ BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
+#ifdef OPENSSL_SYS_VMS
+ if (istext(format))
+ b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
+#endif
+ return b;
+}
+
+void destroy_prefix_method()
+{
+ BIO_meth_free(prefix_method);
+ prefix_method = NULL;
+}
+
+void unbuffer(FILE *fp)
+{
+/*
+ * On VMS, setbuf() will only take 32-bit pointers, and a compilation
+ * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
+ * However, we trust that the C RTL will never give us a FILE pointer
+ * above the first 4 GB of memory, so we simply turn off the warning
+ * temporarily.
+ */
+#if defined(OPENSSL_SYS_VMS) && defined(__DECC)
+# pragma environment save
+# pragma message disable maylosedata2
+#endif
+ setbuf(fp, NULL);
+#if defined(OPENSSL_SYS_VMS) && defined(__DECC)
+# pragma environment restore
+#endif
+}
+
+static const char *modestr(char mode, int format)
+{
+ OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
+
+ switch (mode) {
+ case 'a':
+ return istext(format) ? "a" : "ab";
+ case 'r':
+ return istext(format) ? "r" : "rb";
+ case 'w':
+ return istext(format) ? "w" : "wb";
+ }
+ /* The assert above should make sure we never reach this point */
+ return NULL;
+}
+
+static const char *modeverb(char mode)
+{
+ switch (mode) {
+ case 'a':
+ return "appending";
+ case 'r':
+ return "reading";
+ case 'w':
+ return "writing";
+ }
+ return "(doing something)";
+}
+
+/*
+ * Open a file for writing, owner-read-only.
+ */
+BIO *bio_open_owner(const char *filename, int format, int private)
+{
+ FILE *fp = NULL;
+ BIO *b = NULL;
+ int fd = -1, bflags, mode, textmode;
+
+ if (!private || filename == NULL || strcmp(filename, "-") == 0)
+ return bio_open_default(filename, 'w', format);
+
+ mode = O_WRONLY;
+#ifdef O_CREAT
+ mode |= O_CREAT;
+#endif
+#ifdef O_TRUNC
+ mode |= O_TRUNC;
+#endif
+ textmode = istext(format);
+ if (!textmode) {
+#ifdef O_BINARY
+ mode |= O_BINARY;
+#elif defined(_O_BINARY)
+ mode |= _O_BINARY;
+#endif
+ }
+
+#ifdef OPENSSL_SYS_VMS
+ /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
+ * it still needs to know that we're going binary, or fdopen()
+ * will fail with "invalid argument"... so we tell VMS what the
+ * context is.
+ */
+ if (!textmode)
+ fd = open(filename, mode, 0600, "ctx=bin");
+ else
+#endif
+ fd = open(filename, mode, 0600);
+ if (fd < 0)
+ goto err;
+ fp = fdopen(fd, modestr('w', format));
+ if (fp == NULL)
+ goto err;
+ bflags = BIO_CLOSE;
+ if (textmode)
+ bflags |= BIO_FP_TEXT;
+ b = BIO_new_fp(fp, bflags);
+ if (b)
+ return b;
+
+ err:
+ BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
+ opt_getprog(), filename, strerror(errno));
+ ERR_print_errors(bio_err);
+ /* If we have fp, then fdopen took over fd, so don't close both. */
+ if (fp)
+ fclose(fp);
+ else if (fd >= 0)
+ close(fd);
+ return NULL;
+}
+
+static BIO *bio_open_default_(const char *filename, char mode, int format,
+ int quiet)
+{
+ BIO *ret;
+
+ if (filename == NULL || strcmp(filename, "-") == 0) {
+ ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
+ if (quiet) {
+ ERR_clear_error();
+ return ret;
+ }
+ if (ret != NULL)
+ return ret;
+ BIO_printf(bio_err,
+ "Can't open %s, %s\n",
+ mode == 'r' ? "stdin" : "stdout", strerror(errno));
+ } else {
+ ret = BIO_new_file(filename, modestr(mode, format));
+ if (quiet) {
+ ERR_clear_error();
+ return ret;
+ }
+ if (ret != NULL)
+ return ret;
+ BIO_printf(bio_err,
+ "Can't open %s for %s, %s\n",
+ filename, modeverb(mode), strerror(errno));
+ }
+ ERR_print_errors(bio_err);
+ return NULL;
+}
+
+BIO *bio_open_default(const char *filename, char mode, int format)
+{
+ return bio_open_default_(filename, mode, format, 0);
+}
+
+BIO *bio_open_default_quiet(const char *filename, char mode, int format)
+{
+ return bio_open_default_(filename, mode, format, 1);
+}
+
+void wait_for_async(SSL *s)
+{
+ /* On Windows select only works for sockets, so we simply don't wait */
+#ifndef OPENSSL_SYS_WINDOWS
+ int width = 0;
+ fd_set asyncfds;
+ OSSL_ASYNC_FD *fds;
+ size_t numfds;
+ size_t i;
+
+ if (!SSL_get_all_async_fds(s, NULL, &numfds))
+ return;
+ if (numfds == 0)
+ return;
+ fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
+ if (!SSL_get_all_async_fds(s, fds, &numfds)) {
+ OPENSSL_free(fds);
+ return;
+ }
+
+ FD_ZERO(&asyncfds);
+ for (i = 0; i < numfds; i++) {
+ if (width <= (int)fds[i])
+ width = (int)fds[i] + 1;
+ openssl_fdset((int)fds[i], &asyncfds);
+ }
+ select(width, (void *)&asyncfds, NULL, NULL, NULL);
+ OPENSSL_free(fds);
+#endif
+}
+
+/* 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]);
+}