summaryrefslogtreecommitdiff
path: root/openvpn/src/openvpn/platform.c
diff options
context:
space:
mode:
Diffstat (limited to 'openvpn/src/openvpn/platform.c')
-rw-r--r--openvpn/src/openvpn/platform.c316
1 files changed, 0 insertions, 316 deletions
diff --git a/openvpn/src/openvpn/platform.c b/openvpn/src/openvpn/platform.c
deleted file mode 100644
index 16d4daca..00000000
--- a/openvpn/src/openvpn/platform.c
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
- * OpenVPN -- An application to securely tunnel IP networks
- * over a single TCP/UDP port, with support for SSL/TLS-based
- * session authentication and key exchange,
- * packet encryption, packet authentication, and
- * packet compression.
- *
- * Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program (see the file COPYING included with this
- * distribution); if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#elif defined(_MSC_VER)
-#include "config-msvc.h"
-#endif
-
-#include "syshead.h"
-
-#include "buffer.h"
-#include "error.h"
-#include "win32.h"
-
-#include "memdbg.h"
-
-#include "platform.h"
-
-/* Redefine the top level directory of the filesystem
- to restrict access to files for security */
-void
-platform_chroot (const char *path)
-{
- if (path)
- {
-#ifdef HAVE_CHROOT
- const char *top = "/";
- if (chroot (path))
- msg (M_ERR, "chroot to '%s' failed", path);
- if (platform_chdir (top))
- msg (M_ERR, "cd to '%s' failed", top);
- msg (M_INFO, "chroot to '%s' and cd to '%s' succeeded", path, top);
-#else
- msg (M_FATAL, "Sorry but I can't chroot to '%s' because this operating system doesn't appear to support the chroot() system call", path);
-#endif
- }
-}
-
-/* Get/Set UID of process */
-
-bool
-platform_user_get (const char *username, struct platform_state_user *state)
-{
- bool ret = false;
- CLEAR (*state);
- if (username)
- {
-#if defined(HAVE_GETPWNAM) && defined(HAVE_SETUID)
- state->pw = getpwnam (username);
- if (!state->pw)
- msg (M_ERR, "failed to find UID for user %s", username);
- state->username = username;
- ret = true;
-#else
- msg (M_FATAL, "cannot get UID for user %s -- platform lacks getpwname() or setuid() system calls", username);
-#endif
- }
- return ret;
-}
-
-void
-platform_user_set (const struct platform_state_user *state)
-{
-#if defined(HAVE_GETPWNAM) && defined(HAVE_SETUID)
- if (state->username && state->pw)
- {
- if (setuid (state->pw->pw_uid))
- msg (M_ERR, "setuid('%s') failed", state->username);
- msg (M_INFO, "UID set to %s", state->username);
- }
-#endif
-}
-
-/* Get/Set GID of process */
-
-bool
-platform_group_get (const char *groupname, struct platform_state_group *state)
-{
- bool ret = false;
- CLEAR (*state);
- if (groupname)
- {
-#if defined(HAVE_GETGRNAM) && defined(HAVE_SETGID)
- state->gr = getgrnam (groupname);
- if (!state->gr)
- msg (M_ERR, "failed to find GID for group %s", groupname);
- state->groupname = groupname;
- ret = true;
-#else
- msg (M_FATAL, "cannot get GID for group %s -- platform lacks getgrnam() or setgid() system calls", groupname);
-#endif
- }
- return ret;
-}
-
-void
-platform_group_set (const struct platform_state_group *state)
-{
-#if defined(HAVE_GETGRNAM) && defined(HAVE_SETGID)
- if (state->groupname && state->gr)
- {
- if (setgid (state->gr->gr_gid))
- msg (M_ERR, "setgid('%s') failed", state->groupname);
- msg (M_INFO, "GID set to %s", state->groupname);
-#ifdef HAVE_SETGROUPS
- {
- gid_t gr_list[1];
- gr_list[0] = state->gr->gr_gid;
- if (setgroups (1, gr_list))
- msg (M_ERR, "setgroups('%s') failed", state->groupname);
- }
-#endif
- }
-#endif
-}
-
-/* Change process priority */
-void
-platform_nice (int niceval)
-{
- if (niceval)
- {
-#ifdef HAVE_NICE
- errno = 0;
- if (nice (niceval) < 0 && errno != 0)
- msg (M_WARN | M_ERRNO, "WARNING: nice %d failed: %s", niceval, strerror(errno));
- else
- msg (M_INFO, "nice %d succeeded", niceval);
-#else
- msg (M_WARN, "WARNING: nice %d failed (function not implemented)", niceval);
-#endif
- }
-}
-
-/* Get current PID */
-unsigned int
-platform_getpid ()
-{
-#ifdef WIN32
- return (unsigned int) GetCurrentProcessId ();
-#else
-#ifdef HAVE_GETPID
- return (unsigned int) getpid ();
-#else
- return 0;
-#endif
-#endif
-}
-
-/* Disable paging */
-void
-platform_mlockall(bool print_msg)
-{
-#ifdef HAVE_MLOCKALL
- if (mlockall (MCL_CURRENT | MCL_FUTURE))
- msg (M_WARN | M_ERRNO, "WARNING: mlockall call failed");
- else if (print_msg)
- msg (M_INFO, "mlockall call succeeded");
-#else
- msg (M_WARN, "WARNING: mlockall call failed (function not implemented)");
-#endif
-}
-
-/*
- * Wrapper for chdir library function
- */
-int
-platform_chdir (const char* dir)
-{
-#ifdef HAVE_CHDIR
-#ifdef WIN32
- int res;
- struct gc_arena gc = gc_new ();
- res = _wchdir (wide_string (dir, &gc));
- gc_free (&gc);
- return res;
-#else
- return chdir (dir);
-#endif
-#else
- return -1;
-#endif
-}
-
-/*
- * convert execve() return into a success/failure value
- */
-bool
-platform_system_ok (int stat)
-{
-#ifdef WIN32
- return stat == 0;
-#else
- return stat != -1 && WIFEXITED (stat) && WEXITSTATUS (stat) == 0;
-#endif
-}
-
-int
-platform_access (const char *path, int mode)
-{
-#ifdef WIN32
- struct gc_arena gc = gc_new ();
- int ret = _waccess (wide_string (path, &gc), mode & ~X_OK);
- gc_free (&gc);
- return ret;
-#else
- return access (path, mode);
-#endif
-}
-
-/*
- * Go to sleep for n milliseconds.
- */
-void
-platform_sleep_milliseconds (unsigned int n)
-{
-#ifdef WIN32
- Sleep (n);
-#else
- struct timeval tv;
- tv.tv_sec = n / 1000;
- tv.tv_usec = (n % 1000) * 1000;
- select (0, NULL, NULL, NULL, &tv);
-#endif
-}
-
-/*
- * Go to sleep indefinitely.
- */
-void
-platform_sleep_until_signal (void)
-{
-#ifdef WIN32
- ASSERT (0);
-#else
- select (0, NULL, NULL, NULL, NULL);
-#endif
-}
-
-/* delete a file, return true if succeeded */
-bool
-platform_unlink (const char *filename)
-{
-#if defined(WIN32)
- struct gc_arena gc = gc_new ();
- BOOL ret = DeleteFileW (wide_string (filename, &gc));
- gc_free (&gc);
- return (ret != 0);
-#elif defined(HAVE_UNLINK)
- return (unlink (filename) == 0);
-#else
- return false;
-#endif
-}
-
-FILE *
-platform_fopen (const char *path, const char *mode)
-{
-#ifdef WIN32
- struct gc_arena gc = gc_new ();
- FILE *f = _wfopen (wide_string (path, &gc), wide_string (mode, &gc));
- gc_free (&gc);
- return f;
-#else
- return fopen(path, mode);
-#endif
-}
-
-int
-platform_open (const char *path, int flags, int mode)
-{
-#ifdef WIN32
- struct gc_arena gc = gc_new ();
- int fd = _wopen (wide_string (path, &gc), flags, mode);
- gc_free (&gc);
- return fd;
-#else
- return open(path, flags, mode);
-#endif
-}
-
-int
-platform_stat (const char *path, platform_stat_t *buf)
-{
-#ifdef WIN32
- struct gc_arena gc = gc_new ();
- int res = _wstat (wide_string (path, &gc), buf);
- gc_free (&gc);
- return res;
-#else
- return stat(path, buf);
-#endif
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 03:51:17 +0000