1 files changed, 120 insertions, 0 deletions
diff --git a/openbsd-compat/bsd-cygwin_util.c b/openbsd-compat/bsd-cygwin_util.c
new file mode 100644
index 0000000..fb49e30
--- /dev/null
+++ b/openbsd-compat/bsd-cygwin_util.c
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2000, 2001, 2011, 2013 Corinna Vinschen <vinschen@redhat.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    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 the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Created: Sat Sep 02 12:17:00 2000 cv
+ *
+ * This file contains functions for forcing opened file descriptors to
+ * binary mode on Windows systems.
+ */
+
+#define NO_BINARY_OPEN	/* Avoid redefining open to binary_open for this file */
+#include "includes.h"
+
+#ifdef HAVE_CYGWIN
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdarg.h>
+
+#include "xmalloc.h"
+
+int
+binary_open(const char *filename, int flags, ...)
+{
+	va_list ap;
+	mode_t mode;
+
+	va_start(ap, flags);
+	mode = va_arg(ap, mode_t);
+	va_end(ap);
+	return (open(filename, flags | O_BINARY, mode));
+}
+
+int
+check_ntsec(const char *filename)
+{
+	return (pathconf(filename, _PC_POSIX_PERMISSIONS));
+}
+
+const char *
+cygwin_ssh_privsep_user()
+{
+  static char cyg_privsep_user[DNLEN + UNLEN + 2];
+
+  if (!cyg_privsep_user[0])
+    {
+#ifdef CW_CYGNAME_FROM_WINNAME
+      if (cygwin_internal (CW_CYGNAME_FROM_WINNAME, "sshd", cyg_privsep_user,
+			   sizeof cyg_privsep_user) != 0)
+#endif
+	strlcpy(cyg_privsep_user, "sshd", sizeof(cyg_privsep_user));
+    }
+  return cyg_privsep_user;
+}
+
+#define NL(x) x, (sizeof (x) - 1)
+#define WENV_SIZ (sizeof (wenv_arr) / sizeof (wenv_arr[0]))
+
+static struct wenv {
+	const char *name;
+	size_t namelen;
+} wenv_arr[] = {
+	{ NL("ALLUSERSPROFILE=") },
+	{ NL("COMPUTERNAME=") },
+	{ NL("COMSPEC=") },
+	{ NL("CYGWIN=") },
+	{ NL("OS=") },
+	{ NL("PATH=") },
+	{ NL("PATHEXT=") },
+	{ NL("PROGRAMFILES=") },
+	{ NL("SYSTEMDRIVE=") },
+	{ NL("SYSTEMROOT=") },
+	{ NL("WINDIR=") }
+};
+
+char **
+fetch_windows_environment(void)
+{
+	char **e, **p;
+	unsigned int i, idx = 0;
+
+	p = xcalloc(WENV_SIZ + 1, sizeof(char *));
+	for (e = environ; *e != NULL; ++e) {
+		for (i = 0; i < WENV_SIZ; ++i) {
+			if (!strncmp(*e, wenv_arr[i].name, wenv_arr[i].namelen))
+				p[idx++] = *e;
+		}
+	}
+	p[idx] = NULL;
+	return p;
+}
+
+void
+free_windows_environment(char **p)
+{
+	free(p);
+}
+
+#endif /* HAVE_CYGWIN */