diff options
Diffstat (limited to 'openvpn/src/openvpn/console.c')
| -rw-r--r-- | openvpn/src/openvpn/console.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/openvpn/src/openvpn/console.c b/openvpn/src/openvpn/console.c deleted file mode 100644 index afda8ca3..00000000 --- a/openvpn/src/openvpn/console.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - * OpenVPN -- An application to securely tunnel IP networks - * over a single 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 "console.h" -#include "error.h" -#include "buffer.h" -#include "misc.h" - -#ifdef WIN32 - -#include "win32.h" - -/* - * Get input from console. - * - * Return false on input error, or if service - * exit event is signaled. - */ - -static bool -get_console_input_win32 (const char *prompt, const bool echo, char *input, const int capacity) -{ - HANDLE in = INVALID_HANDLE_VALUE; - HANDLE err = INVALID_HANDLE_VALUE; - DWORD len = 0; - - ASSERT (prompt); - ASSERT (input); - ASSERT (capacity > 0); - - input[0] = '\0'; - - in = GetStdHandle (STD_INPUT_HANDLE); - err = get_orig_stderr (); - - if (in != INVALID_HANDLE_VALUE - && err != INVALID_HANDLE_VALUE - && !win32_service_interrupt (&win32_signal) - && WriteFile (err, prompt, strlen (prompt), &len, NULL)) - { - bool is_console = (GetFileType (in) == FILE_TYPE_CHAR); - DWORD flags_save = 0; - int status = 0; - WCHAR *winput; - - if (is_console) - { - if (GetConsoleMode (in, &flags_save)) - { - DWORD flags = ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT; - if (echo) - flags |= ENABLE_ECHO_INPUT; - SetConsoleMode (in, flags); - } - else - is_console = 0; - } - - if (is_console) - { - winput = malloc (capacity * sizeof (WCHAR)); - if (winput == NULL) - return false; - - status = ReadConsoleW (in, winput, capacity, &len, NULL); - WideCharToMultiByte (CP_UTF8, 0, winput, len, input, capacity, NULL, NULL); - free (winput); - } - else - status = ReadFile (in, input, capacity, &len, NULL); - - string_null_terminate (input, (int)len, capacity); - chomp (input); - - if (!echo) - WriteFile (err, "\r\n", 2, &len, NULL); - if (is_console) - SetConsoleMode (in, flags_save); - if (status && !win32_service_interrupt (&win32_signal)) - return true; - } - - return false; -} - -#endif - -#ifdef HAVE_GETPASS - -static FILE * -open_tty (const bool write) -{ - FILE *ret; - ret = fopen ("/dev/tty", write ? "w" : "r"); - if (!ret) - ret = write ? stderr : stdin; - return ret; -} - -static void -close_tty (FILE *fp) -{ - if (fp != stderr && fp != stdin) - fclose (fp); -} - -#endif - -#ifdef ENABLE_SYSTEMD - -/* - * is systemd running - */ - -static bool -check_systemd_running () -{ - struct stat a, b; - - /* We simply test whether the systemd cgroup hierarchy is - * mounted */ - - return (lstat("/sys/fs/cgroup", &a) == 0) - && (lstat("/sys/fs/cgroup/systemd", &b) == 0) - && (a.st_dev != b.st_dev); - -} - -static bool -get_console_input_systemd (const char *prompt, const bool echo, char *input, const int capacity) -{ - int std_out; - bool ret = false; - struct argv argv; - - argv_init (&argv); - argv_printf (&argv, "/bin/systemd-ask-password"); - argv_printf_cat (&argv, "%s", prompt); - - if ((std_out = openvpn_popen (&argv, NULL)) < 0) { - return false; - } - CLEAR (*input); - if (read (std_out, input, capacity) != 0) - { - chomp (input); - ret = true; - } - close (std_out); - - argv_reset (&argv); - - return ret; -} - - -#endif - -/* - * Get input from console - */ -bool -get_console_input (const char *prompt, const bool echo, char *input, const int capacity) -{ - bool ret = false; - ASSERT (prompt); - ASSERT (input); - ASSERT (capacity > 0); - input[0] = '\0'; - -#ifdef ENABLE_SYSTEMD - if (check_systemd_running ()) - return get_console_input_systemd (prompt, echo, input, capacity); -#endif - -#if defined(WIN32) - return get_console_input_win32 (prompt, echo, input, capacity); -#elif defined(HAVE_GETPASS) - if (echo) - { - FILE *fp; - - fp = open_tty (true); - fprintf (fp, "%s", prompt); - fflush (fp); - close_tty (fp); - - fp = open_tty (false); - if (fgets (input, capacity, fp) != NULL) - { - chomp (input); - ret = true; - } - close_tty (fp); - } - else - { - char *gp = getpass (prompt); - if (gp) - { - strncpynt (input, gp, capacity); - memset (gp, 0, strlen (gp)); - ret = true; - } - } -#else - msg (M_FATAL, "Sorry, but I can't get console input on this OS (%s)", prompt); -#endif - return ret; -} |