/*
+ * Copyright (c) 2000, 2001, Corinna Vinschen <vinschen@cygnus.com>
*
- * cygwin_util.c
+ * 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.
*
- * Author: Corinna Vinschen <vinschen@cygnus.com>
- *
- * Copyright (c) 2000 Corinna Vinschen <vinschen@cygnus.com>, Duisburg, Germany
- * All rights reserved
+ * 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
*
#include "includes.h"
-RCSID("$Id$");
-
#ifdef HAVE_CYGWIN
+#if defined(open) && open == binary_open
+# undef open
+#endif
+#if defined(pipe) && open == binary_pipe
+# undef pipe
+#endif
+
+#include <sys/types.h>
+
#include <fcntl.h>
-#include <io.h>
#include <stdlib.h>
-#include <sys/vfs.h>
+#include <unistd.h>
#include <windows.h>
-#define is_winnt (GetVersion() < 0x80000000)
-int binary_open(const char *filename, int flags, mode_t mode)
+#include "xmalloc.h"
+
+int
+binary_open(const char *filename, int flags, ...)
{
- return open(filename, flags | O_BINARY, mode);
+ 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 binary_pipe(int fd[2])
+int
+binary_pipe(int fd[2])
{
int ret = pipe(fd);
if (!ret) {
- setmode (fd[0], O_BINARY);
- setmode (fd[1], O_BINARY);
+ setmode(fd[0], O_BINARY);
+ setmode(fd[1], O_BINARY);
}
- return ret;
+ return (ret);
}
-int check_nt_auth(int pwd_authenticated, uid_t uid)
+int
+check_ntsec(const char *filename)
{
- /*
- * The only authentication which is able to change the user
- * context on NT systems is the password authentication. So
- * we deny all requsts for changing the user context if another
- * authentication method is used.
- * This may change in future when a special openssh
- * subauthentication package is available.
- */
- if (is_winnt && !pwd_authenticated && geteuid() != uid)
- return 0;
-
- return 1;
+ return (pathconf(filename, _PC_POSIX_PERMISSIONS));
}
-int check_ntsec(const char *filename)
+#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("COMMONPROGRAMFILES=") },
+ { NL("COMPUTERNAME=") },
+ { NL("COMSPEC=") },
+ { NL("CYGWIN=") },
+ { NL("NUMBER_OF_PROCESSORS=") },
+ { NL("OS=") },
+ { NL("PATH=") },
+ { NL("PATHEXT=") },
+ { NL("PROCESSOR_ARCHITECTURE=") },
+ { NL("PROCESSOR_IDENTIFIER=") },
+ { NL("PROCESSOR_LEVEL=") },
+ { NL("PROCESSOR_REVISION=") },
+ { NL("PROGRAMFILES=") },
+ { NL("SYSTEMDRIVE=") },
+ { NL("SYSTEMROOT=") },
+ { NL("TMP=") },
+ { NL("TEMP=") },
+ { NL("WINDIR=") }
+};
+
+char **
+fetch_windows_environment(void)
{
- char *cygwin;
- int allow_ntea = 0;
- int allow_ntsec = 0;
- struct statfs fsstat;
-
- /* Windows 95/98/ME don't support file system security at all. */
- if (!is_winnt)
- return 0;
-
- /* Evaluate current CYGWIN settings. */
- if ((cygwin = getenv("CYGWIN")) != NULL) {
- if (strstr(cygwin, "ntea") && !strstr(cygwin, "nontea"))
- allow_ntea = 1;
- if (strstr(cygwin, "ntsec") && !strstr(cygwin, "nontsec"))
- allow_ntsec = 1;
+ 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;
+}
- /*
- * `ntea' is an emulation of POSIX attributes. It doesn't support
- * real file level security as ntsec on NTFS file systems does
- * but it supports FAT filesystems. `ntea' is minimum requirement
- * for security checks.
- */
- if (allow_ntea)
- return 1;
-
- /*
- * Retrieve file system flags. In Cygwin, file system flags are
- * copied to f_type which has no meaning in Win32 itself.
- */
- if (statfs(filename, &fsstat))
- return 1;
-
- /*
- * Only file systems supporting ACLs are able to set permissions.
- * `ntsec' is the setting in Cygwin which switches using of NTFS
- * ACLs to support POSIX permissions on files.
- */
- if (fsstat.f_type & FS_PERSISTENT_ACLS)
- return allow_ntsec;
-
- return 0;
+void
+free_windows_environment(char **p)
+{
+ xfree(p);
}
#endif /* HAVE_CYGWIN */
andersk / openssh.git / blobdiff