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2282 lines
62 KiB
2282 lines
62 KiB
/*
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Copyright (C) 2002-2010 Karl J. Runge <runge@karlrunge.com>
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All rights reserved.
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This file is part of x11vnc.
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x11vnc is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at
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your option) any later version.
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x11vnc is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with x11vnc; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA
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or see <http://www.gnu.org/licenses/>.
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In addition, as a special exception, Karl J. Runge
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gives permission to link the code of its release of x11vnc with the
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OpenSSL project's "OpenSSL" library (or with modified versions of it
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that use the same license as the "OpenSSL" library), and distribute
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the linked executables. You must obey the GNU General Public License
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in all respects for all of the code used other than "OpenSSL". If you
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modify this file, you may extend this exception to your version of the
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file, but you are not obligated to do so. If you do not wish to do
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so, delete this exception statement from your version.
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*/
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/* -- unixpw.c -- */
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#ifdef __linux__
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/* some conflict with _XOPEN_SOURCE */
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extern int grantpt(int);
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extern int unlockpt(int);
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extern char *ptsname(int);
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#endif
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#ifndef DO_NOT_DECLARE_CRYPT
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extern char *crypt(const char*, const char *);
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#endif
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#include "x11vnc.h"
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#include "scan.h"
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#include "cleanup.h"
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#include "xinerama.h"
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#include "connections.h"
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#include "user.h"
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#include "connections.h"
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#include "sslhelper.h"
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#include "cursor.h"
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#include "rates.h"
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#include <rfb/default8x16.h>
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#if LIBVNCSERVER_HAVE_FORK
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#if LIBVNCSERVER_HAVE_SYS_WAIT_H && LIBVNCSERVER_HAVE_WAITPID
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#define UNIXPW_SU
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#endif
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#endif
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#ifdef IGNORE_GETSPNAM
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#undef LIBVNCSERVER_HAVE_GETSPNAM
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#define LIBVNCSERVER_HAVE_GETSPNAM 0
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#endif
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#if LIBVNCSERVER_HAVE_PWD_H && LIBVNCSERVER_HAVE_GETPWNAM
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#if LIBVNCSERVER_HAVE_CRYPT || LIBVNCSERVER_HAVE_LIBCRYPT
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#define UNIXPW_CRYPT
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#if LIBVNCSERVER_HAVE_GETSPNAM
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#include <shadow.h>
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#endif
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#endif
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#endif
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#if LIBVNCSERVER_HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#if LIBVNCSERVER_HAVE_TERMIOS_H
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#include <termios.h>
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#endif
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#if LIBVNCSERVER_HAVE_SYS_STROPTS_H
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#include <sys/stropts.h>
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#endif
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#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
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#define IS_BSD
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#endif
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#if (defined(__MACH__) && defined(__APPLE__))
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#define IS_BSD
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#endif
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int white_pixel(void);
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void unixpw_screen(int init);
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void unixpw_keystroke(rfbBool down, rfbKeySym keysym, int init);
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void unixpw_accept(char *user);
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void unixpw_deny(void);
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void unixpw_msg(char *msg, int delay);
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int su_verify(char *user, char *pass, char *cmd, char *rbuf, int *rbuf_size, int nodisp);
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int unixpw_cmd_run(char *user, char *pass, char *cmd, char *line, int *n);
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int crypt_verify(char *user, char *pass);
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int cmd_verify(char *user, char *pass);
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void unixpw_verify_screen(char *user, char *pass);
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static int text_x(void);
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static int text_y(void);
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static void set_db(void);
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int unixpw_in_progress = 0;
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int unixpw_denied = 0;
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int unixpw_in_rfbPE = 0;
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int unixpw_login_viewonly = 0;
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int unixpw_tightvnc_xfer_save = 0;
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rfbBool unixpw_file_xfer_save = FALSE;
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time_t unixpw_last_try_time = 0;
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rfbClientPtr unixpw_client = NULL;
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int keep_unixpw = 0;
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char *keep_unixpw_user = NULL;
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char *keep_unixpw_pass = NULL;
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char *keep_unixpw_opts = NULL;
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static unsigned char default6x13FontData[2899]={
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0x00,0x00,0xA8,0x00,0x88,0x00,0x88,0x00,0x88,0x00,0xA8,0x00,0x00, /* 0 */
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0x00,0x00,0x00,0x00,0x20,0x70,0xF8,0x70,0x20,0x00,0x00,0x00,0x00, /* 1 */
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0xA8,0x54,0xA8,0x54,0xA8,0x54,0xA8,0x54,0xA8,0x54,0xA8,0x54,0xA8, /* 2 */
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0x00,0x00,0xA0,0xA0,0xE0,0xA0,0xA0,0x38,0x10,0x10,0x10,0x00,0x00, /* 3 */
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0x00,0x00,0xE0,0x80,0xC0,0x80,0xB8,0x20,0x30,0x20,0x20,0x00,0x00, /* 4 */
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0x00,0x00,0x60,0x80,0x80,0x60,0x30,0x28,0x30,0x28,0x28,0x00,0x00, /* 5 */
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0x00,0x00,0x80,0x80,0x80,0xE0,0x38,0x20,0x30,0x20,0x20,0x00,0x00, /* 6 */
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0x00,0x00,0x30,0x48,0x48,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 7 */
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0x00,0x00,0x00,0x20,0x20,0xF8,0x20,0x20,0x00,0xF8,0x00,0x00,0x00, /* 8 */
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0x00,0x00,0x90,0xD0,0xB0,0x90,0x20,0x20,0x20,0x20,0x38,0x00,0x00, /* 9 */
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0x00,0x00,0xA0,0xA0,0xA0,0x40,0x40,0x38,0x10,0x10,0x10,0x00,0x00, /* 10 */
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0x20,0x20,0x20,0x20,0x20,0x20,0xE0,0x00,0x00,0x00,0x00,0x00,0x00, /* 11 */
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0x00,0x00,0x00,0x00,0x00,0x00,0xE0,0x20,0x20,0x20,0x20,0x20,0x20, /* 12 */
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0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x20,0x20,0x20,0x20,0x20,0x20, /* 13 */
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0x20,0x20,0x20,0x20,0x20,0x20,0x3C,0x00,0x00,0x00,0x00,0x00,0x00, /* 14 */
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0x20,0x20,0x20,0x20,0x20,0x20,0xFC,0x20,0x20,0x20,0x20,0x20,0x20, /* 15 */
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0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 16 */
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0x00,0x00,0x00,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 17 */
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0x00,0x00,0x00,0x00,0x00,0x00,0xFC,0x00,0x00,0x00,0x00,0x00,0x00, /* 18 */
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFC,0x00,0x00,0x00, /* 19 */
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFC, /* 20 */
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0x20,0x20,0x20,0x20,0x20,0x20,0x3C,0x20,0x20,0x20,0x20,0x20,0x20, /* 21 */
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0x20,0x20,0x20,0x20,0x20,0x20,0xE0,0x20,0x20,0x20,0x20,0x20,0x20, /* 22 */
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0x20,0x20,0x20,0x20,0x20,0x20,0xFC,0x00,0x00,0x00,0x00,0x00,0x00, /* 23 */
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0x00,0x00,0x00,0x00,0x00,0x00,0xFC,0x20,0x20,0x20,0x20,0x20,0x20, /* 24 */
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0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20, /* 25 */
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0x00,0x00,0x00,0x18,0x60,0x80,0x60,0x18,0x00,0xF8,0x00,0x00,0x00, /* 26 */
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0x00,0x00,0x00,0xC0,0x30,0x08,0x30,0xC0,0x00,0xF8,0x00,0x00,0x00, /* 27 */
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0x00,0x00,0x00,0x00,0x00,0xF8,0x50,0x50,0x50,0x50,0x50,0x00,0x00, /* 28 */
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0x00,0x00,0x00,0x00,0x00,0x08,0xF8,0x20,0xF8,0x80,0x00,0x00,0x00, /* 29 */
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0x00,0x00,0x30,0x48,0x40,0x40,0xE0,0x40,0x40,0x48,0xB0,0x00,0x00, /* 30 */
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0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00, /* 31 */
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 32 */
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0x00,0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00,0x20,0x00,0x00, /* 33 */
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0x00,0x00,0x50,0x50,0x50,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 34 */
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0x00,0x00,0x00,0x50,0x50,0xF8,0x50,0xF8,0x50,0x50,0x00,0x00,0x00, /* 35 */
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0x00,0x00,0x20,0x78,0xA0,0xA0,0x70,0x28,0x28,0xF0,0x20,0x00,0x00, /* 36 */
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0x00,0x00,0x48,0xA8,0x50,0x10,0x20,0x40,0x50,0xA8,0x90,0x00,0x00, /* 37 */
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0x00,0x00,0x00,0x40,0xA0,0xA0,0x40,0xA0,0x98,0x90,0x68,0x00,0x00, /* 38 */
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0x00,0x00,0x20,0x20,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 39 */
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0x00,0x10,0x20,0x20,0x40,0x40,0x40,0x40,0x40,0x20,0x20,0x10,0x00, /* 40 */
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0x00,0x40,0x20,0x20,0x10,0x10,0x10,0x10,0x10,0x20,0x20,0x40,0x00, /* 41 */
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0x00,0x00,0x00,0x20,0xA8,0xF8,0x70,0xF8,0xA8,0x20,0x00,0x00,0x00, /* 42 */
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0x00,0x00,0x00,0x00,0x20,0x20,0xF8,0x20,0x20,0x00,0x00,0x00,0x00, /* 43 */
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x20,0x40,0x00, /* 44 */
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0x00,0x00,0x00,0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00, /* 45 */
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x70,0x20,0x00, /* 46 */
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0x00,0x00,0x08,0x08,0x10,0x10,0x20,0x40,0x40,0x80,0x80,0x00,0x00, /* 47 */
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0x00,0x00,0x20,0x50,0x88,0x88,0x88,0x88,0x88,0x50,0x20,0x00,0x00, /* 48 */
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0x00,0x00,0x20,0x60,0xA0,0x20,0x20,0x20,0x20,0x20,0xF8,0x00,0x00, /* 49 */
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0x00,0x00,0x70,0x88,0x88,0x08,0x10,0x20,0x40,0x80,0xF8,0x00,0x00, /* 50 */
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0x00,0x00,0xF8,0x08,0x10,0x20,0x70,0x08,0x08,0x88,0x70,0x00,0x00, /* 51 */
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0x00,0x00,0x10,0x10,0x30,0x50,0x50,0x90,0xF8,0x10,0x10,0x00,0x00, /* 52 */
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0x00,0x00,0xF8,0x80,0x80,0xB0,0xC8,0x08,0x08,0x88,0x70,0x00,0x00, /* 53 */
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0x00,0x00,0x70,0x88,0x80,0x80,0xF0,0x88,0x88,0x88,0x70,0x00,0x00, /* 54 */
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0x00,0x00,0xF8,0x08,0x10,0x10,0x20,0x20,0x40,0x40,0x40,0x00,0x00, /* 55 */
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0x00,0x00,0x70,0x88,0x88,0x88,0x70,0x88,0x88,0x88,0x70,0x00,0x00, /* 56 */
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0x00,0x00,0x70,0x88,0x88,0x88,0x78,0x08,0x08,0x88,0x70,0x00,0x00, /* 57 */
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0x00,0x00,0x00,0x00,0x20,0x70,0x20,0x00,0x00,0x20,0x70,0x20,0x00, /* 58 */
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0x00,0x00,0x00,0x00,0x20,0x70,0x20,0x00,0x00,0x30,0x20,0x40,0x00, /* 59 */
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0x00,0x00,0x08,0x10,0x20,0x40,0x80,0x40,0x20,0x10,0x08,0x00,0x00, /* 60 */
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0x00,0x00,0x00,0x00,0x00,0xF8,0x00,0x00,0xF8,0x00,0x00,0x00,0x00, /* 61 */
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0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x10,0x20,0x40,0x80,0x00,0x00, /* 62 */
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0x00,0x00,0x70,0x88,0x88,0x08,0x10,0x20,0x20,0x00,0x20,0x00,0x00, /* 63 */
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0x00,0x00,0x70,0x88,0x88,0x98,0xA8,0xA8,0xB0,0x80,0x78,0x00,0x00, /* 64 */
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0x00,0x00,0x20,0x50,0x88,0x88,0x88,0xF8,0x88,0x88,0x88,0x00,0x00, /* 65 */
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0x00,0x00,0xF0,0x48,0x48,0x48,0x70,0x48,0x48,0x48,0xF0,0x00,0x00, /* 66 */
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0x00,0x00,0x70,0x88,0x80,0x80,0x80,0x80,0x80,0x88,0x70,0x00,0x00, /* 67 */
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0x00,0x00,0xF0,0x48,0x48,0x48,0x48,0x48,0x48,0x48,0xF0,0x00,0x00, /* 68 */
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0x00,0x00,0xF8,0x80,0x80,0x80,0xF0,0x80,0x80,0x80,0xF8,0x00,0x00, /* 69 */
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0x00,0x00,0xF8,0x80,0x80,0x80,0xF0,0x80,0x80,0x80,0x80,0x00,0x00, /* 70 */
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0x00,0x00,0x70,0x88,0x80,0x80,0x80,0x98,0x88,0x88,0x70,0x00,0x00, /* 71 */
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0x00,0x00,0x88,0x88,0x88,0x88,0xF8,0x88,0x88,0x88,0x88,0x00,0x00, /* 72 */
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0x00,0x00,0x70,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x70,0x00,0x00, /* 73 */
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0x00,0x00,0x38,0x10,0x10,0x10,0x10,0x10,0x10,0x90,0x60,0x00,0x00, /* 74 */
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0x00,0x00,0x88,0x88,0x90,0xA0,0xC0,0xA0,0x90,0x88,0x88,0x00,0x00, /* 75 */
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0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0xF8,0x00,0x00, /* 76 */
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0x00,0x00,0x88,0x88,0xD8,0xA8,0xA8,0x88,0x88,0x88,0x88,0x00,0x00, /* 77 */
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0x00,0x00,0x88,0xC8,0xC8,0xA8,0xA8,0x98,0x98,0x88,0x88,0x00,0x00, /* 78 */
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0x00,0x00,0x70,0x88,0x88,0x88,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 79 */
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0x00,0x00,0xF0,0x88,0x88,0x88,0xF0,0x80,0x80,0x80,0x80,0x00,0x00, /* 80 */
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0x00,0x00,0x70,0x88,0x88,0x88,0x88,0x88,0x88,0xA8,0x70,0x08,0x00, /* 81 */
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0x00,0x00,0xF0,0x88,0x88,0x88,0xF0,0xA0,0x90,0x88,0x88,0x00,0x00, /* 82 */
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0x00,0x00,0x70,0x88,0x80,0x80,0x70,0x08,0x08,0x88,0x70,0x00,0x00, /* 83 */
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0x00,0x00,0xF8,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00,0x00, /* 84 */
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0x00,0x00,0x88,0x88,0x88,0x88,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 85 */
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0x00,0x00,0x88,0x88,0x88,0x88,0x50,0x50,0x50,0x20,0x20,0x00,0x00, /* 86 */
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0x00,0x00,0x88,0x88,0x88,0x88,0xA8,0xA8,0xA8,0xA8,0x50,0x00,0x00, /* 87 */
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0x00,0x00,0x88,0x88,0x50,0x50,0x20,0x50,0x50,0x88,0x88,0x00,0x00, /* 88 */
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0x00,0x00,0x88,0x88,0x50,0x50,0x20,0x20,0x20,0x20,0x20,0x00,0x00, /* 89 */
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0x00,0x00,0xF8,0x08,0x10,0x10,0x20,0x40,0x40,0x80,0xF8,0x00,0x00, /* 90 */
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0x00,0x70,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x70,0x00, /* 91 */
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0x00,0x00,0x80,0x80,0x40,0x40,0x20,0x10,0x10,0x08,0x08,0x00,0x00, /* 92 */
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0x00,0x70,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x70,0x00, /* 93 */
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0x00,0x00,0x20,0x50,0x88,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 94 */
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xF8,0x00, /* 95 */
|
|
0x00,0x20,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 96 */
|
|
0x00,0x00,0x00,0x00,0x00,0x70,0x08,0x78,0x88,0x98,0x68,0x00,0x00, /* 97 */
|
|
0x00,0x00,0x80,0x80,0x80,0xF0,0x88,0x88,0x88,0x88,0xF0,0x00,0x00, /* 98 */
|
|
0x00,0x00,0x00,0x00,0x00,0x70,0x88,0x80,0x80,0x88,0x70,0x00,0x00, /* 99 */
|
|
0x00,0x00,0x08,0x08,0x08,0x78,0x88,0x88,0x88,0x88,0x78,0x00,0x00, /* 100 */
|
|
0x00,0x00,0x00,0x00,0x00,0x70,0x88,0xF8,0x80,0x88,0x70,0x00,0x00, /* 101 */
|
|
0x00,0x00,0x30,0x48,0x40,0x40,0xF0,0x40,0x40,0x40,0x40,0x00,0x00, /* 102 */
|
|
0x00,0x00,0x00,0x00,0x00,0x70,0x88,0x88,0x88,0x78,0x08,0x88,0x70, /* 103 */
|
|
0x00,0x00,0x80,0x80,0x80,0xB0,0xC8,0x88,0x88,0x88,0x88,0x00,0x00, /* 104 */
|
|
0x00,0x00,0x00,0x20,0x00,0x60,0x20,0x20,0x20,0x20,0x70,0x00,0x00, /* 105 */
|
|
0x00,0x00,0x00,0x10,0x00,0x30,0x10,0x10,0x10,0x10,0x90,0x90,0x60, /* 106 */
|
|
0x00,0x00,0x80,0x80,0x80,0x90,0xA0,0xC0,0xA0,0x90,0x88,0x00,0x00, /* 107 */
|
|
0x00,0x00,0x60,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x70,0x00,0x00, /* 108 */
|
|
0x00,0x00,0x00,0x00,0x00,0xD0,0xA8,0xA8,0xA8,0xA8,0x88,0x00,0x00, /* 109 */
|
|
0x00,0x00,0x00,0x00,0x00,0xB0,0xC8,0x88,0x88,0x88,0x88,0x00,0x00, /* 110 */
|
|
0x00,0x00,0x00,0x00,0x00,0x70,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 111 */
|
|
0x00,0x00,0x00,0x00,0x00,0xF0,0x88,0x88,0x88,0xF0,0x80,0x80,0x80, /* 112 */
|
|
0x00,0x00,0x00,0x00,0x00,0x78,0x88,0x88,0x88,0x78,0x08,0x08,0x08, /* 113 */
|
|
0x00,0x00,0x00,0x00,0x00,0xB0,0xC8,0x80,0x80,0x80,0x80,0x00,0x00, /* 114 */
|
|
0x00,0x00,0x00,0x00,0x00,0x70,0x88,0x60,0x10,0x88,0x70,0x00,0x00, /* 115 */
|
|
0x00,0x00,0x00,0x40,0x40,0xF0,0x40,0x40,0x40,0x48,0x30,0x00,0x00, /* 116 */
|
|
0x00,0x00,0x00,0x00,0x00,0x88,0x88,0x88,0x88,0x98,0x68,0x00,0x00, /* 117 */
|
|
0x00,0x00,0x00,0x00,0x00,0x88,0x88,0x88,0x50,0x50,0x20,0x00,0x00, /* 118 */
|
|
0x00,0x00,0x00,0x00,0x00,0x88,0x88,0xA8,0xA8,0xA8,0x50,0x00,0x00, /* 119 */
|
|
0x00,0x00,0x00,0x00,0x00,0x88,0x50,0x20,0x20,0x50,0x88,0x00,0x00, /* 120 */
|
|
0x00,0x00,0x00,0x00,0x00,0x88,0x88,0x88,0x98,0x68,0x08,0x88,0x70, /* 121 */
|
|
0x00,0x00,0x00,0x00,0x00,0xF8,0x10,0x20,0x40,0x80,0xF8,0x00,0x00, /* 122 */
|
|
0x00,0x18,0x20,0x20,0x20,0x20,0xC0,0x20,0x20,0x20,0x20,0x18,0x00, /* 123 */
|
|
0x00,0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00,0x00, /* 124 */
|
|
0x00,0xC0,0x20,0x20,0x20,0x20,0x18,0x20,0x20,0x20,0x20,0xC0,0x00, /* 125 */
|
|
0x00,0x00,0x48,0xA8,0x90,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 126 */
|
|
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 160 */
|
|
0x00,0x00,0x20,0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00,0x00, /* 161 */
|
|
0x00,0x00,0x20,0x70,0xA8,0xA0,0xA0,0xA8,0x70,0x20,0x00,0x00,0x00, /* 162 */
|
|
0x00,0x00,0x30,0x48,0x40,0x40,0xE0,0x40,0x40,0x48,0xB0,0x00,0x00, /* 163 */
|
|
0x00,0x00,0x00,0x00,0x88,0x70,0x50,0x50,0x70,0x88,0x00,0x00,0x00, /* 164 */
|
|
0x00,0x00,0x88,0x88,0x50,0x50,0xF8,0x20,0xF8,0x20,0x20,0x00,0x00, /* 165 */
|
|
0x00,0x00,0x20,0x20,0x20,0x20,0x00,0x20,0x20,0x20,0x20,0x00,0x00, /* 166 */
|
|
0x00,0x30,0x48,0x40,0x30,0x48,0x48,0x30,0x08,0x48,0x30,0x00,0x00, /* 167 */
|
|
0x00,0x50,0x50,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 168 */
|
|
0x00,0x70,0x88,0xA8,0xD8,0xC8,0xD8,0xA8,0x88,0x70,0x00,0x00,0x00, /* 169 */
|
|
0x00,0x00,0x70,0x08,0x78,0x88,0x78,0x00,0xF8,0x00,0x00,0x00,0x00, /* 170 */
|
|
0x00,0x00,0x00,0x00,0x28,0x50,0xA0,0xA0,0x50,0x28,0x00,0x00,0x00, /* 171 */
|
|
0x00,0x00,0x00,0x00,0x00,0x00,0xF8,0x08,0x08,0x00,0x00,0x00,0x00, /* 172 */
|
|
0x00,0x00,0x00,0x00,0x00,0x00,0x70,0x00,0x00,0x00,0x00,0x00,0x00, /* 173 */
|
|
0x00,0x70,0x88,0xE8,0xD8,0xD8,0xE8,0xD8,0x88,0x70,0x00,0x00,0x00, /* 174 */
|
|
0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 175 */
|
|
0x00,0x00,0x30,0x48,0x48,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 176 */
|
|
0x00,0x00,0x00,0x20,0x20,0xF8,0x20,0x20,0x00,0xF8,0x00,0x00,0x00, /* 177 */
|
|
0x00,0x40,0xA0,0x20,0x40,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 178 */
|
|
0x00,0x40,0xA0,0x40,0x20,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 179 */
|
|
0x00,0x10,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 180 */
|
|
0x00,0x00,0x00,0x00,0x00,0x88,0x88,0x88,0x88,0x98,0xE8,0x80,0x80, /* 181 */
|
|
0x00,0x00,0x78,0xE8,0xE8,0xE8,0xE8,0x68,0x28,0x28,0x28,0x00,0x00, /* 182 */
|
|
0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00, /* 183 */
|
|
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x20, /* 184 */
|
|
0x00,0x40,0xC0,0x40,0x40,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 185 */
|
|
0x00,0x00,0x70,0x88,0x88,0x88,0x70,0x00,0xF8,0x00,0x00,0x00,0x00, /* 186 */
|
|
0x00,0x00,0x00,0x00,0xA0,0x50,0x28,0x28,0x50,0xA0,0x00,0x00,0x00, /* 187 */
|
|
0x00,0x40,0xC0,0x40,0x40,0xE0,0x08,0x18,0x28,0x38,0x08,0x00,0x00, /* 188 */
|
|
0x00,0x40,0xC0,0x40,0x40,0xE0,0x10,0x28,0x08,0x10,0x38,0x00,0x00, /* 189 */
|
|
0x00,0x40,0xA0,0x40,0x20,0xA0,0x48,0x18,0x28,0x38,0x08,0x00,0x00, /* 190 */
|
|
0x00,0x00,0x20,0x00,0x20,0x20,0x40,0x80,0x88,0x88,0x70,0x00,0x00, /* 191 */
|
|
0x00,0x40,0x20,0x00,0x20,0x50,0x88,0x88,0xF8,0x88,0x88,0x00,0x00, /* 192 */
|
|
0x00,0x10,0x20,0x00,0x20,0x50,0x88,0x88,0xF8,0x88,0x88,0x00,0x00, /* 193 */
|
|
0x00,0x30,0x48,0x00,0x20,0x50,0x88,0x88,0xF8,0x88,0x88,0x00,0x00, /* 194 */
|
|
0x00,0x28,0x50,0x00,0x20,0x50,0x88,0x88,0xF8,0x88,0x88,0x00,0x00, /* 195 */
|
|
0x00,0x50,0x50,0x00,0x20,0x50,0x88,0x88,0xF8,0x88,0x88,0x00,0x00, /* 196 */
|
|
0x00,0x20,0x50,0x20,0x20,0x50,0x88,0x88,0xF8,0x88,0x88,0x00,0x00, /* 197 */
|
|
0x00,0x00,0x58,0xA0,0xA0,0xA0,0xB0,0xE0,0xA0,0xA0,0xB8,0x00,0x00, /* 198 */
|
|
0x00,0x00,0x70,0x88,0x80,0x80,0x80,0x80,0x80,0x88,0x70,0x20,0x40, /* 199 */
|
|
0x00,0x40,0x20,0x00,0xF8,0x80,0x80,0xF0,0x80,0x80,0xF8,0x00,0x00, /* 200 */
|
|
0x00,0x10,0x20,0x00,0xF8,0x80,0x80,0xF0,0x80,0x80,0xF8,0x00,0x00, /* 201 */
|
|
0x00,0x30,0x48,0x00,0xF8,0x80,0x80,0xF0,0x80,0x80,0xF8,0x00,0x00, /* 202 */
|
|
0x00,0x50,0x50,0x00,0xF8,0x80,0x80,0xF0,0x80,0x80,0xF8,0x00,0x00, /* 203 */
|
|
0x00,0x40,0x20,0x00,0x70,0x20,0x20,0x20,0x20,0x20,0x70,0x00,0x00, /* 204 */
|
|
0x00,0x10,0x20,0x00,0x70,0x20,0x20,0x20,0x20,0x20,0x70,0x00,0x00, /* 205 */
|
|
0x00,0x30,0x48,0x00,0x70,0x20,0x20,0x20,0x20,0x20,0x70,0x00,0x00, /* 206 */
|
|
0x00,0x50,0x50,0x00,0x70,0x20,0x20,0x20,0x20,0x20,0x70,0x00,0x00, /* 207 */
|
|
0x00,0x00,0xF0,0x48,0x48,0x48,0xE8,0x48,0x48,0x48,0xF0,0x00,0x00, /* 208 */
|
|
0x00,0x28,0x50,0x00,0x88,0x88,0xC8,0xA8,0x98,0x88,0x88,0x00,0x00, /* 209 */
|
|
0x00,0x40,0x20,0x00,0x70,0x88,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 210 */
|
|
0x00,0x10,0x20,0x00,0x70,0x88,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 211 */
|
|
0x00,0x30,0x48,0x00,0x70,0x88,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 212 */
|
|
0x00,0x28,0x50,0x00,0x70,0x88,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 213 */
|
|
0x00,0x50,0x50,0x00,0x70,0x88,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 214 */
|
|
0x00,0x00,0x00,0x00,0x00,0x88,0x50,0x20,0x50,0x88,0x00,0x00,0x00, /* 215 */
|
|
0x00,0x08,0x70,0x98,0x98,0xA8,0xA8,0xA8,0xC8,0xC8,0x70,0x80,0x00, /* 216 */
|
|
0x00,0x40,0x20,0x00,0x88,0x88,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 217 */
|
|
0x00,0x10,0x20,0x00,0x88,0x88,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 218 */
|
|
0x00,0x30,0x48,0x00,0x88,0x88,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 219 */
|
|
0x00,0x50,0x50,0x00,0x88,0x88,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 220 */
|
|
0x00,0x10,0x20,0x00,0x88,0x88,0x50,0x20,0x20,0x20,0x20,0x00,0x00, /* 221 */
|
|
0x00,0x00,0x80,0xF0,0x88,0x88,0x88,0xF0,0x80,0x80,0x80,0x00,0x00, /* 222 */
|
|
0x00,0x00,0x60,0x90,0x90,0xA0,0xA0,0x90,0x88,0x88,0xB0,0x00,0x00, /* 223 */
|
|
0x00,0x00,0x40,0x20,0x00,0x70,0x08,0x78,0x88,0x98,0x68,0x00,0x00, /* 224 */
|
|
0x00,0x00,0x10,0x20,0x00,0x70,0x08,0x78,0x88,0x98,0x68,0x00,0x00, /* 225 */
|
|
0x00,0x00,0x30,0x48,0x00,0x70,0x08,0x78,0x88,0x98,0x68,0x00,0x00, /* 226 */
|
|
0x00,0x00,0x28,0x50,0x00,0x70,0x08,0x78,0x88,0x98,0x68,0x00,0x00, /* 227 */
|
|
0x00,0x00,0x50,0x50,0x00,0x70,0x08,0x78,0x88,0x98,0x68,0x00,0x00, /* 228 */
|
|
0x00,0x30,0x48,0x30,0x00,0x70,0x08,0x78,0x88,0x98,0x68,0x00,0x00, /* 229 */
|
|
0x00,0x00,0x00,0x00,0x00,0x70,0x28,0x70,0xA0,0xA8,0x50,0x00,0x00, /* 230 */
|
|
0x00,0x00,0x00,0x00,0x00,0x70,0x88,0x80,0x80,0x88,0x70,0x20,0x40, /* 231 */
|
|
0x00,0x00,0x40,0x20,0x00,0x70,0x88,0xF8,0x80,0x88,0x70,0x00,0x00, /* 232 */
|
|
0x00,0x00,0x10,0x20,0x00,0x70,0x88,0xF8,0x80,0x88,0x70,0x00,0x00, /* 233 */
|
|
0x00,0x00,0x30,0x48,0x00,0x70,0x88,0xF8,0x80,0x88,0x70,0x00,0x00, /* 234 */
|
|
0x00,0x00,0x50,0x50,0x00,0x70,0x88,0xF8,0x80,0x88,0x70,0x00,0x00, /* 235 */
|
|
0x00,0x00,0x40,0x20,0x00,0x60,0x20,0x20,0x20,0x20,0x70,0x00,0x00, /* 236 */
|
|
0x00,0x00,0x10,0x20,0x00,0x60,0x20,0x20,0x20,0x20,0x70,0x00,0x00, /* 237 */
|
|
0x00,0x00,0x30,0x48,0x00,0x60,0x20,0x20,0x20,0x20,0x70,0x00,0x00, /* 238 */
|
|
0x00,0x00,0x50,0x50,0x00,0x60,0x20,0x20,0x20,0x20,0x70,0x00,0x00, /* 239 */
|
|
0x00,0x50,0x20,0x60,0x10,0x70,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 240 */
|
|
0x00,0x00,0x28,0x50,0x00,0xB0,0xC8,0x88,0x88,0x88,0x88,0x00,0x00, /* 241 */
|
|
0x00,0x00,0x40,0x20,0x00,0x70,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 242 */
|
|
0x00,0x00,0x10,0x20,0x00,0x70,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 243 */
|
|
0x00,0x00,0x30,0x48,0x00,0x70,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 244 */
|
|
0x00,0x00,0x28,0x50,0x00,0x70,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 245 */
|
|
0x00,0x00,0x50,0x50,0x00,0x70,0x88,0x88,0x88,0x88,0x70,0x00,0x00, /* 246 */
|
|
0x00,0x00,0x00,0x20,0x20,0x00,0xF8,0x00,0x20,0x20,0x00,0x00,0x00, /* 247 */
|
|
0x00,0x00,0x00,0x00,0x08,0x70,0x98,0xA8,0xA8,0xC8,0x70,0x80,0x00, /* 248 */
|
|
0x00,0x00,0x40,0x20,0x00,0x88,0x88,0x88,0x88,0x98,0x68,0x00,0x00, /* 249 */
|
|
0x00,0x00,0x10,0x20,0x00,0x88,0x88,0x88,0x88,0x98,0x68,0x00,0x00, /* 250 */
|
|
0x00,0x00,0x30,0x48,0x00,0x88,0x88,0x88,0x88,0x98,0x68,0x00,0x00, /* 251 */
|
|
0x00,0x00,0x50,0x50,0x00,0x88,0x88,0x88,0x88,0x98,0x68,0x00,0x00, /* 252 */
|
|
0x00,0x00,0x10,0x20,0x00,0x88,0x88,0x88,0x98,0x68,0x08,0x88,0x70, /* 253 */
|
|
0x00,0x00,0x00,0x80,0x80,0xB0,0xC8,0x88,0x88,0xC8,0xB0,0x80,0x80, /* 254 */
|
|
0x00,0x00,0x50,0x50,0x00,0x88,0x88,0x88,0x98,0x68,0x08,0x88,0x70, /* 255 */
|
|
};
|
|
static int default6x13FontMetaData[256*5]={
|
|
0,6,13,0,-2,13,6,13,0,-2,26,6,13,0,-2,39,6,13,0,-2,52,6,13,0,-2,65,6,13,0,-2,78,6,13,0,-2,91,6,13,0,-2,104,6,13,0,-2,117,6,13,0,-2,130,6,13,0,-2,143,6,13,0,-2,156,6,13,0,-2,169,6,13,0,-2,182,6,13,0,-2,195,6,13,0,-2,208,6,13,0,-2,221,6,13,0,-2,234,6,13,0,-2,247,6,13,0,-2,260,6,13,0,-2,273,6,13,0,-2,286,6,13,0,-2,299,6,13,0,-2,312,6,13,0,-2,325,6,13,0,-2,338,6,13,0,-2,351,6,13,0,-2,364,6,13,0,-2,377,6,13,0,-2,390,6,13,0,-2,403,6,13,0,-2,416,6,13,0,-2,429,6,13,0,-2,442,6,13,0,-2,455,6,13,0,-2,468,6,13,0,-2,481,6,13,0,-2,494,6,13,0,-2,507,6,13,0,-2,520,6,13,0,-2,533,6,13,0,-2,546,6,13,0,-2,559,6,13,0,-2,572,6,13,0,-2,585,6,13,0,-2,598,6,13,0,-2,611,6,13,0,-2,624,6,13,0,-2,637,6,13,0,-2,650,6,13,0,-2,663,6,13,0,-2,676,6,13,0,-2,689,6,13,0,-2,702,6,13,0,-2,715,6,13,0,-2,728,6,13,0,-2,741,6,13,0,-2,754,6,13,0,-2,767,6,13,0,-2,780,6,13,0,-2,793,6,13,0,-2,806,6,13,0,-2,819,6,13,0,-2,832,6,13,0,-2,845,6,13,0,-2,858,6,13,0,-2,871,6,13,0,-2,884,6,13,0,-2,897,6,13,0,-2,910,6,13,0,-2,923,6,13,0,-2,936,6,13,0,-2,949,6,13,0,-2,962,6,13,0,-2,975,6,13,0,-2,988,6,13,0,-2,1001,6,13,0,-2,1014,6,13,0,-2,1027,6,13,0,-2,1040,6,13,0,-2,1053,6,13,0,-2,1066,6,13,0,-2,1079,6,13,0,-2,1092,6,13,0,-2,1105,6,13,0,-2,1118,6,13,0,-2,1131,6,13,0,-2,1144,6,13,0,-2,1157,6,13,0,-2,1170,6,13,0,-2,1183,6,13,0,-2,1196,6,13,0,-2,1209,6,13,0,-2,1222,6,13,0,-2,1235,6,13,0,-2,1248,6,13,0,-2,1261,6,13,0,-2,1274,6,13,0,-2,1287,6,13,0,-2,1300,6,13,0,-2,1313,6,13,0,-2,1326,6,13,0,-2,1339,6,13,0,-2,1352,6,13,0,-2,1365,6,13,0,-2,1378,6,13,0,-2,1391,6,13,0,-2,1404,6,13,0,-2,1417,6,13,0,-2,1430,6,13,0,-2,1443,6,13,0,-2,1456,6,13,0,-2,1469,6,13,0,-2,1482,6,13,0,-2,1495,6,13,0,-2,1508,6,13,0,-2,1521,6,13,0,-2,1534,6,13,0,-2,1547,6,13,0,-2,1560,6,13,0,-2,1573,6,13,0,-2,1586,6,13,0,-2,1599,6,13,0,-2,1612,6,13,0,-2,1625,6,13,0,-2,1638,6,13,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1651,6,13,0,-2,1664,6,13,0,-2,1677,6,13,0,-2,1690,6,13,0,-2,1703,6,13,0,-2,1716,6,13,0,-2,1729,6,13,0,-2,1742,6,13,0,-2,1755,6,13,0,-2,1768,6,13,0,-2,1781,6,13,0,-2,1794,6,13,0,-2,1807,6,13,0,-2,1820,6,13,0,-2,1833,6,13,0,-2,1846,6,13,0,-2,1859,6,13,0,-2,1872,6,13,0,-2,1885,6,13,0,-2,1898,6,13,0,-2,1911,6,13,0,-2,1924,6,13,0,-2,1937,6,13,0,-2,1950,6,13,0,-2,1963,6,13,0,-2,1976,6,13,0,-2,1989,6,13,0,-2,2002,6,13,0,-2,2015,6,13,0,-2,2028,6,13,0,-2,2041,6,13,0,-2,2054,6,13,0,-2,2067,6,13,0,-2,2080,6,13,0,-2,2093,6,13,0,-2,2106,6,13,0,-2,2119,6,13,0,-2,2132,6,13,0,-2,2145,6,13,0,-2,2158,6,13,0,-2,2171,6,13,0,-2,2184,6,13,0,-2,2197,6,13,0,-2,2210,6,13,0,-2,2223,6,13,0,-2,2236,6,13,0,-2,2249,6,13,0,-2,2262,6,13,0,-2,2275,6,13,0,-2,2288,6,13,0,-2,2301,6,13,0,-2,2314,6,13,0,-2,2327,6,13,0,-2,2340,6,13,0,-2,2353,6,13,0,-2,2366,6,13,0,-2,2379,6,13,0,-2,2392,6,13,0,-2,2405,6,13,0,-2,2418,6,13,0,-2,2431,6,13,0,-2,2444,6,13,0,-2,2457,6,13,0,-2,2470,6,13,0,-2,2483,6,13,0,-2,2496,6,13,0,-2,2509,6,13,0,-2,2522,6,13,0,-2,2535,6,13,0,-2,2548,6,13,0,-2,2561,6,13,0,-2,2574,6,13,0,-2,2587,6,13,0,-2,2600,6,13,0,-2,2613,6,13,0,-2,2626,6,13,0,-2,2639,6,13,0,-2,2652,6,13,0,-2,2665,6,13,0,-2,2678,6,13,0,-2,2691,6,13,0,-2,2704,6,13,0,-2,2717,6,13,0,-2,2730,6,13,0,-2,2743,6,13,0,-2,2756,6,13,0,-2,2769,6,13,0,-2,2782,6,13,0,-2,2795,6,13,0,-2,2808,6,13,0,-2,2821,6,13,0,-2,2834,6,13,0,-2,2847,6,13,0,-2,2860,6,13,0,-2,2873,6,13,0,-2,2886,6,13,0,-2,};
|
|
static rfbFontData default6x13Font={default6x13FontData, default6x13FontMetaData};
|
|
|
|
static int in_login = 0, in_passwd = 0, tries = 0;
|
|
static int char_row = 0, char_col = 0;
|
|
static int char_x = 0, char_y = 0, char_w = 8, char_h = 16;
|
|
|
|
static int db = 0;
|
|
|
|
int white_pixel(void) {
|
|
static unsigned long black_pix = 0, white_pix = 1, set = 0;
|
|
|
|
RAWFB_RET(0xffffff)
|
|
|
|
if (depth <= 8 && ! set) {
|
|
X_LOCK;
|
|
black_pix = BlackPixel(dpy, scr);
|
|
white_pix = WhitePixel(dpy, scr);
|
|
X_UNLOCK;
|
|
set = 1;
|
|
}
|
|
if (depth <= 8) {
|
|
return (int) white_pix;
|
|
} else if (depth < 24) {
|
|
return 0xffff;
|
|
} else {
|
|
return 0xffffff;
|
|
}
|
|
}
|
|
|
|
int black_pixel(void) {
|
|
static unsigned long black_pix = 0, white_pix = 1, set = 0;
|
|
|
|
RAWFB_RET(0x000000)
|
|
|
|
if (depth <= 8 && ! set) {
|
|
X_LOCK;
|
|
black_pix = BlackPixel(dpy, scr);
|
|
white_pix = WhitePixel(dpy, scr);
|
|
X_UNLOCK;
|
|
set = 1;
|
|
}
|
|
if (depth <= 8) {
|
|
return (int) black_pix;
|
|
} else if (depth < 24) {
|
|
return 0x0000;
|
|
} else {
|
|
return 0x000000;
|
|
}
|
|
}
|
|
|
|
static void unixpw_mark(void) {
|
|
if (scaling) {
|
|
mark_rect_as_modified(0, 0, scaled_x, scaled_y, 1);
|
|
} else {
|
|
mark_rect_as_modified(0, 0, dpy_x, dpy_y, 0);
|
|
}
|
|
}
|
|
|
|
static int text_x(void) {
|
|
return char_x + char_col * char_w;
|
|
}
|
|
|
|
static int text_y(void) {
|
|
return char_y + char_row * char_h;
|
|
}
|
|
|
|
static rfbScreenInfo fscreen;
|
|
static rfbScreenInfoPtr pscreen;
|
|
|
|
static int f1_help = 0;
|
|
|
|
void unixpw_screen(int init) {
|
|
if (unixpw_cmd) {
|
|
; /* OK */
|
|
} else if (unixpw_nis) {
|
|
#ifndef UNIXPW_CRYPT
|
|
rfbLog("-unixpw_nis is not supported on this OS/machine\n");
|
|
clean_up_exit(1);
|
|
#endif
|
|
} else {
|
|
#ifndef UNIXPW_SU
|
|
rfbLog("-unixpw is not supported on this OS/machine\n");
|
|
clean_up_exit(1);
|
|
#endif
|
|
}
|
|
if (init) {
|
|
int x, y;
|
|
char log[] = "login: ";
|
|
|
|
zero_fb(0, 0, dpy_x, dpy_y);
|
|
|
|
mark_rect_as_modified(0, 0, dpy_x, dpy_y, 0);
|
|
|
|
x = nfix(dpy_x / 2 - strlen(log) * char_w, dpy_x);
|
|
y = (int) (dpy_y / 3.5);
|
|
if (unixpw_system_greeter) {
|
|
y = (int) (dpy_y / 3);
|
|
}
|
|
|
|
if (scaling) {
|
|
x = (int) (x * scale_fac_x);
|
|
y = (int) (y * scale_fac_y);
|
|
x = nfix(x, scaled_x);
|
|
y = nfix(y, scaled_y);
|
|
}
|
|
|
|
if (rotating) {
|
|
fscreen.serverFormat.bitsPerPixel = bpp;
|
|
fscreen.paddedWidthInBytes = rfb_bytes_per_line;
|
|
fscreen.frameBuffer = rfb_fb;
|
|
pscreen = &fscreen;
|
|
} else {
|
|
pscreen = screen;
|
|
}
|
|
|
|
if (pscreen && pscreen->width >= 640 && pscreen->height >= 480) {
|
|
rfbDrawString(pscreen, &default6x13Font, 8, 2+1*13, "F1-Help:", white_pixel());
|
|
}
|
|
f1_help = 0;
|
|
|
|
if (unixpw_system_greeter) {
|
|
unixpw_system_greeter_active = 0;
|
|
if (use_dpy && strstr(use_dpy, "xdmcp")) {
|
|
if (getenv("X11VNC_SYSTEM_GREETER1")) {
|
|
char moo[] = "Press 'Escape' for System Greeter";
|
|
rfbDrawString(pscreen, &default8x16Font, x-90, y-30, moo, white_pixel());
|
|
} else {
|
|
char moo1[] = "Press 'Escape' for a New Session via System Greeter, or";
|
|
char moo2[] = "otherwise login here to connect to an Existing Session:";
|
|
rfbDrawString(pscreen, &default6x13Font, x-110, y-38, moo1, white_pixel());
|
|
rfbDrawString(pscreen, &default6x13Font, x-110, y-25, moo2, white_pixel());
|
|
}
|
|
set_env("X11VNC_XDM_ONLY", "0");
|
|
unixpw_system_greeter_active = 1;
|
|
}
|
|
}
|
|
|
|
rfbDrawString(pscreen, &default8x16Font, x, y, log, white_pixel());
|
|
|
|
char_x = x;
|
|
char_y = y;
|
|
char_col = strlen(log);
|
|
char_row = 0;
|
|
|
|
set_warrow_cursor();
|
|
}
|
|
|
|
unixpw_mark();
|
|
}
|
|
|
|
|
|
#ifdef MAXPATHLEN
|
|
static char slave_str[MAXPATHLEN];
|
|
#else
|
|
static char slave_str[4096];
|
|
#endif
|
|
|
|
static int used_get_pty_ptmx = 0;
|
|
|
|
char *get_pty_ptmx(int *fd_p) {
|
|
char *slave;
|
|
int fd = -1, i, ndevs = 4, tmp;
|
|
char *devs[] = {
|
|
"/dev/ptmx",
|
|
"/dev/ptm/clone",
|
|
"/dev/ptc",
|
|
"/dev/ptmx_bsd"
|
|
};
|
|
|
|
*fd_p = -1;
|
|
|
|
#if LIBVNCSERVER_HAVE_GRANTPT
|
|
|
|
for (i=0; i < ndevs; i++) {
|
|
#ifdef O_NOCTTY
|
|
fd = open(devs[i], O_RDWR|O_NOCTTY);
|
|
#else
|
|
fd = open(devs[i], O_RDWR);
|
|
#endif
|
|
if (fd >= 0) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (fd < 0) {
|
|
rfbLogPerror("open /dev/ptmx");
|
|
return NULL;
|
|
}
|
|
|
|
#if LIBVNCSERVER_HAVE_SYS_IOCTL_H && defined(TIOCPKT)
|
|
tmp = 0;
|
|
ioctl(fd, TIOCPKT, (char *) &tmp);
|
|
#endif
|
|
|
|
if (grantpt(fd) != 0) {
|
|
rfbLogPerror("grantpt");
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
if (unlockpt(fd) != 0) {
|
|
rfbLogPerror("unlockpt");
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
|
|
slave = ptsname(fd);
|
|
if (! slave) {
|
|
rfbLogPerror("ptsname");
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
|
|
#if LIBVNCSERVER_HAVE_SYS_IOCTL_H && defined(TIOCFLUSH)
|
|
ioctl(fd, TIOCFLUSH, (char *) 0);
|
|
#endif
|
|
|
|
if (strlen(slave) > sizeof(slave_str)/2) {
|
|
rfbLog("get_pty_ptmx: slave string length too long.\n");
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
|
|
strcpy(slave_str, slave);
|
|
*fd_p = fd;
|
|
return slave_str;
|
|
|
|
#else
|
|
return NULL;
|
|
|
|
#endif /* GRANTPT */
|
|
}
|
|
|
|
|
|
char *get_pty_loop(int *fd_p) {
|
|
char master_str[16];
|
|
int fd = -1, i;
|
|
char c;
|
|
|
|
*fd_p = -1;
|
|
|
|
/* for *BSD loop over /dev/ptyXY */
|
|
|
|
for (c = 'p'; c <= 'z'; c++) {
|
|
for (i=0; i < 16; i++) {
|
|
sprintf(master_str, "/dev/pty%c%x", c, i);
|
|
#ifdef O_NOCTTY
|
|
fd = open(master_str, O_RDWR|O_NOCTTY);
|
|
#else
|
|
fd = open(master_str, O_RDWR);
|
|
#endif
|
|
if (fd >= 0) {
|
|
break;
|
|
}
|
|
}
|
|
if (fd >= 0) {
|
|
break;
|
|
}
|
|
}
|
|
if (fd < 0) {
|
|
return NULL;
|
|
}
|
|
|
|
#if LIBVNCSERVER_HAVE_SYS_IOCTL_H && defined(TIOCFLUSH)
|
|
ioctl(fd, TIOCFLUSH, (char *) 0);
|
|
#endif
|
|
|
|
sprintf(slave_str, "/dev/tty%c%x", c, i);
|
|
*fd_p = fd;
|
|
return slave_str;
|
|
}
|
|
|
|
char *get_pty(int *fd_p) {
|
|
used_get_pty_ptmx = 0;
|
|
if (getenv("BSD_PTY")) {
|
|
return get_pty_loop(fd_p);
|
|
}
|
|
#ifdef IS_BSD
|
|
return get_pty_loop(fd_p);
|
|
#else
|
|
#if LIBVNCSERVER_HAVE_GRANTPT
|
|
used_get_pty_ptmx = 1;
|
|
return get_pty_ptmx(fd_p);
|
|
#else
|
|
return get_pty_loop(fd_p);
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
void try_to_be_nobody(void) {
|
|
|
|
#if LIBVNCSERVER_HAVE_PWD_H
|
|
struct passwd *pw;
|
|
pw = getpwnam("nobody");
|
|
|
|
if (pw) {
|
|
#if LIBVNCSERVER_HAVE_SETUID
|
|
setuid(pw->pw_uid);
|
|
#endif
|
|
#if LIBVNCSERVER_HAVE_SETEUID
|
|
seteuid(pw->pw_uid);
|
|
#endif
|
|
#if LIBVNCSERVER_HAVE_SETGID
|
|
setgid(pw->pw_gid);
|
|
#endif
|
|
#if LIBVNCSERVER_HAVE_SETEGID
|
|
setegid(pw->pw_gid);
|
|
#endif
|
|
}
|
|
#endif /* PWD_H */
|
|
}
|
|
|
|
|
|
static int slave_fd = -1, alarm_fired = 0;
|
|
|
|
static void close_alarm (int sig) {
|
|
if (slave_fd >= 0) {
|
|
close(slave_fd);
|
|
}
|
|
alarm_fired = 1;
|
|
if (0) sig = 0; /* compiler warning */
|
|
}
|
|
|
|
static void kill_child (pid_t pid, int fd) {
|
|
int status;
|
|
|
|
slave_fd = -1;
|
|
alarm_fired = 0;
|
|
if (fd >= 0) {
|
|
close(fd);
|
|
}
|
|
kill(pid, SIGTERM);
|
|
waitpid(pid, &status, WNOHANG);
|
|
}
|
|
|
|
static int scheck(char *str, int n, char *name) {
|
|
int j, i;
|
|
|
|
if (! str) {
|
|
return 0;
|
|
}
|
|
j = 0;
|
|
for (i=0; i<n; i++) {
|
|
if (str[i] == '\0') {
|
|
j = 1;
|
|
break;
|
|
}
|
|
if (!strcmp(name, "password")) {
|
|
if (str[i] == '\n') {
|
|
continue;
|
|
}
|
|
}
|
|
if (str[i] < ' ' || str[i] >= 0x7f) {
|
|
rfbLog("scheck: invalid character in %s.\n", name);
|
|
return 0;
|
|
}
|
|
}
|
|
if (j == 0) {
|
|
rfbLog("scheck: unterminated string in %s.\n", name);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int unixpw_list_match(char *user) {
|
|
if (! unixpw_list || unixpw_list[0] == '\0') {
|
|
return 1;
|
|
} else {
|
|
char *p, *q, *str = strdup(unixpw_list);
|
|
int ok = 0;
|
|
int notmode = 0;
|
|
|
|
if (str[0] == '!') {
|
|
notmode = 1;
|
|
ok = 1;
|
|
p = strtok(str+1, ",");
|
|
} else {
|
|
p = strtok(str, ",");
|
|
}
|
|
while (p) {
|
|
if ( (q = strchr(p, ':')) != NULL ) {
|
|
*q = '\0'; /* get rid of options. */
|
|
}
|
|
if (!strcmp(user, p)) {
|
|
if (notmode) {
|
|
ok = 0;
|
|
} else {
|
|
ok = 1;
|
|
}
|
|
break;
|
|
}
|
|
if (!notmode && !strcmp("*", p)) {
|
|
ok = 1;
|
|
break;
|
|
}
|
|
p = strtok(NULL, ",");
|
|
}
|
|
free(str);
|
|
if (! ok) {
|
|
rfbLog("unixpw_list_match: fail for '%s'\n", user);
|
|
return 0;
|
|
} else {
|
|
rfbLog("unixpw_list_match: OK for '%s'\n", user);
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
int crypt_verify(char *user, char *pass) {
|
|
#ifndef UNIXPW_CRYPT
|
|
return 0;
|
|
#else
|
|
struct passwd *pwd;
|
|
char *realpw, *cr;
|
|
int n;
|
|
|
|
if (! scheck(user, 100, "username")) {
|
|
return 0;
|
|
}
|
|
if (! scheck(pass, 100, "password")) {
|
|
return 0;
|
|
}
|
|
if (! unixpw_list_match(user)) {
|
|
return 0;
|
|
}
|
|
|
|
pwd = getpwnam(user);
|
|
if (! pwd) {
|
|
return 0;
|
|
}
|
|
|
|
realpw = pwd->pw_passwd;
|
|
if (realpw == NULL || realpw[0] == '\0') {
|
|
return 0;
|
|
}
|
|
|
|
if (db > 1) fprintf(stderr, "realpw='%s'\n", realpw);
|
|
|
|
if (strlen(realpw) < 12) {
|
|
/* e.g. "x", try getspnam(), sometimes root for inetd, etc */
|
|
#if LIBVNCSERVER_HAVE_GETSPNAM
|
|
struct spwd *sp = getspnam(user);
|
|
if (sp != NULL && sp->sp_pwdp != NULL) {
|
|
if (db) fprintf(stderr, "using getspnam()\n");
|
|
realpw = sp->sp_pwdp;
|
|
} else {
|
|
if (db) fprintf(stderr, "skipping getspnam()\n");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
n = strlen(pass);
|
|
if (pass[n-1] == '\n') {
|
|
pass[n-1] = '\0';
|
|
}
|
|
|
|
/* XXX remove need for cast */
|
|
cr = (char *) crypt(pass, realpw);
|
|
if (db > 1) {
|
|
fprintf(stderr, "user='%s' pass='%s' realpw='%s' cr='%s'\n",
|
|
user, pass, realpw, cr ? cr : "(null)");
|
|
}
|
|
if (cr == NULL || cr[0] == '\0') {
|
|
return 0;
|
|
}
|
|
if (!strcmp(cr, realpw)) {
|
|
return 1;
|
|
} else {
|
|
return 0;
|
|
}
|
|
#endif /* UNIXPW_CRYPT */
|
|
}
|
|
|
|
int unixpw_cmd_run(char *user, char *pass, char *cmd, char *line, int *n) {
|
|
int i, len, rc;
|
|
char *str;
|
|
FILE *out;
|
|
|
|
if (! user || ! pass) {
|
|
return 0;
|
|
}
|
|
if (! unixpw_cmd || *unixpw_cmd == '\0') {
|
|
return 0;
|
|
}
|
|
|
|
if (! scheck(user, 100, "username")) {
|
|
return 0;
|
|
}
|
|
if (! scheck(pass, 100, "password")) {
|
|
return 0;
|
|
}
|
|
if (! unixpw_list_match(user)) {
|
|
return 0;
|
|
}
|
|
if (cmd == NULL) {
|
|
cmd = "";
|
|
}
|
|
|
|
len = strlen(user) + 1 + strlen(pass) + 1 + 1;
|
|
str = (char *) malloc(len);
|
|
if (! str) {
|
|
return 0;
|
|
}
|
|
str[0] = '\0';
|
|
strcat(str, user);
|
|
strcat(str, "\n");
|
|
strcat(str, pass);
|
|
if (!strchr(pass, '\n')) {
|
|
strcat(str, "\n");
|
|
}
|
|
|
|
out = tmpfile();
|
|
if (out == NULL) {
|
|
rfbLog("unixpw_cmd_run tmpfile() failed.\n");
|
|
clean_up_exit(1);
|
|
}
|
|
|
|
set_env("RFB_UNIXPW_CMD_RUN", cmd);
|
|
|
|
rc = run_user_command(unixpw_cmd, unixpw_client, "cmd_verify",
|
|
str, strlen(str), out);
|
|
|
|
set_env("RFB_UNIXPW_CMD_RUN", "");
|
|
|
|
for (i=0; i < len; i++) {
|
|
str[i] = '\0';
|
|
}
|
|
free(str);
|
|
|
|
fflush(out);
|
|
rewind(out);
|
|
for (i=0; i < (*n) - 1; i++) {
|
|
int c = fgetc(out);
|
|
if (c == EOF) {
|
|
break;
|
|
}
|
|
line[i] = (char) c;
|
|
}
|
|
fclose(out);
|
|
*n = i;
|
|
|
|
if (rc == 0) {
|
|
return 1;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
int cmd_verify(char *user, char *pass) {
|
|
int i, len, rc;
|
|
char *str;
|
|
|
|
if (! user || ! pass) {
|
|
return 0;
|
|
}
|
|
if (! unixpw_cmd || *unixpw_cmd == '\0') {
|
|
return 0;
|
|
}
|
|
|
|
if (! scheck(user, 100, "username")) {
|
|
return 0;
|
|
}
|
|
if (! scheck(pass, 100, "password")) {
|
|
return 0;
|
|
}
|
|
if (! unixpw_list_match(user)) {
|
|
return 0;
|
|
}
|
|
|
|
if (unixpw_client) {
|
|
ClientData *cd = (ClientData *) unixpw_client->clientData;
|
|
if (cd) {
|
|
cd->username = strdup(user);
|
|
}
|
|
}
|
|
|
|
len = strlen(user) + 1 + strlen(pass) + 1 + 1;
|
|
str = (char *) malloc(len);
|
|
if (! str) {
|
|
return 0;
|
|
}
|
|
str[0] = '\0';
|
|
strcat(str, user);
|
|
strcat(str, "\n");
|
|
strcat(str, pass);
|
|
if (!strchr(pass, '\n')) {
|
|
strcat(str, "\n");
|
|
}
|
|
|
|
rc = run_user_command(unixpw_cmd, unixpw_client, "cmd_verify",
|
|
str, strlen(str), NULL);
|
|
|
|
for (i=0; i < len; i++) {
|
|
str[i] = '\0';
|
|
}
|
|
free(str);
|
|
|
|
if (rc == 0) {
|
|
return 1;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
int su_verify(char *user, char *pass, char *cmd, char *rbuf, int *rbuf_size, int nodisp) {
|
|
#ifndef UNIXPW_SU
|
|
return 0;
|
|
#else
|
|
int i, j, status, fd = -1, sfd, tfd, drain_size = 65536, rsize = 0;
|
|
int slow_pw = 1;
|
|
char *slave, *bin_true = NULL, *bin_su = NULL;
|
|
pid_t pid, pidw;
|
|
struct stat sbuf;
|
|
static int first = 1;
|
|
char instr[64], cbuf[10];
|
|
|
|
if (first) {
|
|
set_db();
|
|
first = 0;
|
|
}
|
|
rfbLog("su_verify: '%s' for %s.\n", user, cmd ? "command" : "login");
|
|
fflush(stderr);
|
|
|
|
if (! scheck(user, 100, "username")) {
|
|
return 0;
|
|
}
|
|
if (! scheck(pass, 100, "password")) {
|
|
return 0;
|
|
}
|
|
if (! unixpw_list_match(user)) {
|
|
return 0;
|
|
}
|
|
|
|
/* unixpw */
|
|
if (no_external_cmds || !cmd_ok("unixpw")) {
|
|
rfbLog("su_verify: cannot run external commands.\n");
|
|
clean_up_exit(1);
|
|
}
|
|
|
|
#define SU_DEBUG 0
|
|
#if SU_DEBUG
|
|
if (stat("/su", &sbuf) == 0) {
|
|
bin_su = "/su"; /* Freesbie read-only-fs /bin/su not suid! */
|
|
#else
|
|
if (0) {
|
|
;
|
|
#endif
|
|
} else if (stat("/bin/su", &sbuf) == 0) {
|
|
bin_su = "/bin/su";
|
|
} else if (stat("/usr/bin/su", &sbuf) == 0) {
|
|
bin_su = "/usr/bin/su";
|
|
}
|
|
if (bin_su == NULL) {
|
|
rfbLogPerror("existence /bin/su");
|
|
fflush(stderr);
|
|
return 0;
|
|
}
|
|
|
|
if (stat("/bin/true", &sbuf) == 0) {
|
|
bin_true = "/bin/true";
|
|
} if (stat("/usr/bin/true", &sbuf) == 0) {
|
|
bin_true = "/usr/bin/true";
|
|
}
|
|
if (cmd != NULL && cmd[0] != '\0') {
|
|
/* this is for ext. cmd su -c "my cmd" after login */
|
|
bin_true = cmd;
|
|
}
|
|
if (bin_true == NULL) {
|
|
rfbLogPerror("existence /bin/true");
|
|
fflush(stderr);
|
|
return 0;
|
|
}
|
|
|
|
slave = get_pty(&fd);
|
|
|
|
if (slave == NULL) {
|
|
rfbLogPerror("get_pty failed.");
|
|
fflush(stderr);
|
|
return 0;
|
|
}
|
|
|
|
if (db) fprintf(stderr, "cmd is: %s\n", cmd);
|
|
if (db) fprintf(stderr, "slave is: %s fd=%d\n", slave, fd);
|
|
|
|
if (fd < 0) {
|
|
rfbLogPerror("get_pty fd < 0");
|
|
fflush(stderr);
|
|
return 0;
|
|
}
|
|
|
|
fcntl(fd, F_SETFD, 1);
|
|
|
|
pid = fork();
|
|
if (pid < 0) {
|
|
rfbLogPerror("fork");
|
|
fflush(stderr);
|
|
close(fd);
|
|
return 0;
|
|
}
|
|
|
|
if (pid == 0) {
|
|
/* child */
|
|
|
|
int ttyfd;
|
|
ttyfd = -1; /* compiler warning */
|
|
|
|
#if LIBVNCSERVER_HAVE_SETSID
|
|
if (setsid() == -1) {
|
|
perror("setsid");
|
|
exit(1);
|
|
}
|
|
#else
|
|
if (setpgrp() == -1) {
|
|
perror("setpgrp");
|
|
exit(1);
|
|
}
|
|
#if LIBVNCSERVER_HAVE_SYS_IOCTL_H && defined(TIOCNOTTY)
|
|
ttyfd = open("/dev/tty", O_RDWR);
|
|
if (ttyfd >= 0) {
|
|
(void) ioctl(ttyfd, TIOCNOTTY, (char *) 0);
|
|
close(ttyfd);
|
|
}
|
|
#endif
|
|
|
|
#endif /* SETSID */
|
|
|
|
close(0);
|
|
close(1);
|
|
close(2);
|
|
|
|
sfd = open(slave, O_RDWR);
|
|
if (sfd < 0) {
|
|
exit(1);
|
|
}
|
|
|
|
/* streams options fixups, handle cases as they are found: */
|
|
#if defined(__hpux)
|
|
#if LIBVNCSERVER_HAVE_SYS_STROPTS_H
|
|
#if LIBVNCSERVER_HAVE_SYS_IOCTL_H && defined(I_PUSH)
|
|
if (used_get_pty_ptmx) {
|
|
ioctl(sfd, I_PUSH, "ptem");
|
|
ioctl(sfd, I_PUSH, "ldterm");
|
|
ioctl(sfd, I_PUSH, "ttcompat");
|
|
}
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
/* n.b. sfd will be 0 since we closed 0. so dup it to 1 and 2 */
|
|
if (fcntl(sfd, F_DUPFD, 1) == -1) {
|
|
exit(1);
|
|
}
|
|
if (fcntl(sfd, F_DUPFD, 2) == -1) {
|
|
exit(1);
|
|
}
|
|
|
|
#if LIBVNCSERVER_HAVE_SYS_IOCTL_H && defined(TIOCSCTTY)
|
|
ioctl(sfd, TIOCSCTTY, (char *) 0);
|
|
#endif
|
|
|
|
if (db > 2) {
|
|
char nam[256];
|
|
unlink("/tmp/isatty");
|
|
tfd = open("/tmp/isatty", O_CREAT|O_WRONLY, 0600);
|
|
if (isatty(sfd)) {
|
|
close(tfd);
|
|
sprintf(nam, "stty -a < %s > /tmp/isatty 2>&1",
|
|
slave);
|
|
system(nam);
|
|
} else {
|
|
write(tfd, "NOTTTY\n", 7);
|
|
close(tfd);
|
|
}
|
|
}
|
|
|
|
chdir("/");
|
|
|
|
try_to_be_nobody();
|
|
#if LIBVNCSERVER_HAVE_GETUID
|
|
if (getuid() == 0 || geteuid() == 0) {
|
|
exit(1);
|
|
}
|
|
#else
|
|
exit(1);
|
|
#endif
|
|
|
|
set_env("LC_ALL", "C");
|
|
set_env("LANG", "C");
|
|
set_env("SHELL", "/bin/sh");
|
|
if (nodisp) {
|
|
/* this will cause timeout problems with pam_xauth */
|
|
int k;
|
|
for (k=0; k<3; k++) {
|
|
if (getenv("DISPLAY")) {
|
|
char *s = getenv("DISPLAY");
|
|
if (s) *(s-2) = '_'; /* quite... */
|
|
}
|
|
if (getenv("XAUTHORITY")) {
|
|
char *s = getenv("XAUTHORITY");
|
|
if (s) *(s-2) = '_'; /* quite... */
|
|
}
|
|
}
|
|
}
|
|
|
|
/* synchronize with parent: */
|
|
write(2, "C", 1);
|
|
|
|
if (cmd) {
|
|
execlp(bin_su, bin_su, "-", user, "-c",
|
|
bin_true, (char *) NULL);
|
|
} else {
|
|
execlp(bin_su, bin_su, user, "-c",
|
|
bin_true, (char *) NULL);
|
|
}
|
|
exit(1);
|
|
}
|
|
/* parent */
|
|
|
|
if (db) fprintf(stderr, "pid: %d\n", pid);
|
|
|
|
/*
|
|
* set an alarm for blocking read() to close the master
|
|
* (presumably terminating the child. SIGTERM too...)
|
|
*/
|
|
slave_fd = fd;
|
|
alarm_fired = 0;
|
|
signal(SIGALRM, close_alarm);
|
|
alarm(10);
|
|
|
|
/* synchronize with child: */
|
|
cbuf[0] = '\0';
|
|
cbuf[1] = '\0';
|
|
for (i=0; i<10; i++) {
|
|
int n;
|
|
cbuf[0] = '\0';
|
|
cbuf[1] = '\0';
|
|
n = read(fd, cbuf, 1);
|
|
if (n < 0 && errno == EINTR) {
|
|
continue;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (db) {
|
|
fprintf(stderr, "read from child: '%s'\n", cbuf);
|
|
}
|
|
|
|
alarm(0);
|
|
signal(SIGALRM, SIG_DFL);
|
|
if (alarm_fired) {
|
|
kill_child(pid, fd);
|
|
return 0;
|
|
}
|
|
|
|
#if LIBVNCSERVER_HAVE_SYS_IOCTL_H && defined(TIOCTRAP)
|
|
{
|
|
int control = 1;
|
|
ioctl(fd, TIOCTRAP, &control);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* In addition to checking exit code below, we watch for the
|
|
* appearance of the string "Password:". BSD does not seem to
|
|
* ask for a password trying to su to yourself. This is the
|
|
* setting in /etc/pam.d/su:
|
|
* auth sufficient pam_self.so
|
|
* it may be commented out without problem.
|
|
*/
|
|
for (i=0; i< (int) sizeof(instr); i++) {
|
|
instr[i] = '\0';
|
|
}
|
|
|
|
alarm_fired = 0;
|
|
signal(SIGALRM, close_alarm);
|
|
alarm(10);
|
|
|
|
j = 0;
|
|
for (i=0; i < (int) strlen("Password:"); i++) {
|
|
char pstr[] = "password:";
|
|
int n, problem;
|
|
|
|
cbuf[0] = '\0';
|
|
cbuf[1] = '\0';
|
|
|
|
n = read(fd, cbuf, 1);
|
|
if (n < 0 && errno == EINTR) {
|
|
i--;
|
|
if (i < -1) i = -1;
|
|
continue;
|
|
}
|
|
|
|
if (db) {
|
|
fprintf(stderr, "%s", cbuf);
|
|
if (db > 3 && n == 1 && cbuf[0] == ':') {
|
|
char cmd0[32];
|
|
usleep( 100 * 1000 );
|
|
fprintf(stderr, "\n\n");
|
|
sprintf(cmd0, "ps wu %d", pid);
|
|
system(cmd0);
|
|
sprintf(cmd0, "stty -a < %s", slave);
|
|
system(cmd0);
|
|
fprintf(stderr, "\n\n");
|
|
}
|
|
}
|
|
|
|
if (n == 1) {
|
|
if (isspace((unsigned char) cbuf[0])) {
|
|
i--;
|
|
if (i < -1) i = -1;
|
|
continue;
|
|
}
|
|
if (j >= (int) sizeof(instr)-1) {
|
|
rfbLog("su_verify: problem finding Password:\n");
|
|
fflush(stderr);
|
|
return 0;
|
|
}
|
|
instr[j++] = tolower((unsigned char)cbuf[0]);
|
|
}
|
|
|
|
problem = 0;
|
|
if (n <= 0) {
|
|
problem = 1;
|
|
} else if (strstr(pstr, instr) != pstr) {
|
|
#ifdef _AIX
|
|
if (UT.sysname && strstr(UT.sysname, "AIX")) {
|
|
/* handle: runge's Password: */
|
|
char *luser = (char *) malloc(strlen(user) + 10);
|
|
|
|
sprintf(luser, "%s's", user);
|
|
lowercase(luser);
|
|
if (db) fprintf(stderr, "\nAIX luser compare: \"%s\" to \"%s\"\n", luser, instr);
|
|
if (strstr(luser, instr) == luser) {
|
|
if (db) fprintf(stderr, "AIX luser compare: strstr OK.\n");
|
|
if (!strcmp(luser, instr)) {
|
|
if (db) fprintf(stderr, "AIX luser compare: strings equal.\n");
|
|
i = -1;
|
|
j = 0;
|
|
memset(instr, 0, sizeof(instr));
|
|
free(luser);
|
|
continue;
|
|
} else {
|
|
i--;
|
|
if (i < -1) i = -1;
|
|
free(luser);
|
|
continue;
|
|
}
|
|
} else {
|
|
if (db) fprintf(stderr, "AIX luser compare: problem=1\n");
|
|
problem = 1;
|
|
}
|
|
free(luser);
|
|
} else
|
|
#endif
|
|
{
|
|
problem = 1;
|
|
}
|
|
}
|
|
|
|
if (problem) {
|
|
if (db) {
|
|
fprintf(stderr, "\"Password:\" did not "
|
|
"appear: '%s'" " n=%d\n", instr, n);
|
|
if (db > 3 && n == 1 && j < 32) {
|
|
continue;
|
|
}
|
|
}
|
|
alarm(0);
|
|
signal(SIGALRM, SIG_DFL);
|
|
kill_child(pid, fd);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
alarm(0);
|
|
signal(SIGALRM, SIG_DFL);
|
|
if (alarm_fired) {
|
|
kill_child(pid, fd);
|
|
return 0;
|
|
}
|
|
|
|
if (db) fprintf(stderr, "\nsending passwd: %s\n", db > 2 ? pass : "****");
|
|
usleep(100 * 1000);
|
|
if (slow_pw) {
|
|
unsigned int k;
|
|
for (k = 0; k < strlen(pass); k++) {
|
|
write(fd, pass+k, 1);
|
|
usleep(100 * 1000);
|
|
}
|
|
} else {
|
|
write(fd, pass, strlen(pass));
|
|
}
|
|
|
|
alarm_fired = 0;
|
|
signal(SIGALRM, close_alarm);
|
|
alarm(15);
|
|
|
|
/*
|
|
* try to drain the output, hopefully never as much as 4096 (motd?)
|
|
* if we don't drain we may block at waitpid. If we close(fd), the
|
|
* make cause child to die by signal.
|
|
*/
|
|
if (rbuf && *rbuf_size > 0) {
|
|
/* asked to return output of command */
|
|
drain_size = *rbuf_size;
|
|
rsize = 0;
|
|
}
|
|
if (db) fprintf(stderr, "\ndraining:\n");
|
|
for (i = 0; i< drain_size; i++) {
|
|
int n;
|
|
|
|
cbuf[0] = '\0';
|
|
cbuf[1] = '\0';
|
|
|
|
n = read(fd, cbuf, 1);
|
|
if (n < 0 && errno == EINTR) {
|
|
if (db) fprintf(stderr, "\nEINTR n=%d i=%d --", n, i);
|
|
i--;
|
|
if (i < 0) i = 0;
|
|
continue;
|
|
}
|
|
|
|
if (db) fprintf(stderr, "\nn=%d i=%d errno=%d %.6f '%s'", n, i, errno, dnowx(), cbuf);
|
|
|
|
if (n <= 0) {
|
|
break;
|
|
}
|
|
if (rbuf && *rbuf_size > 0) {
|
|
rbuf[rsize++] = cbuf[0];
|
|
}
|
|
}
|
|
if (db && rbuf) fprintf(stderr, "\nrbuf: '%s'\n", rbuf);
|
|
|
|
if (rbuf && *rbuf_size > 0) {
|
|
char *s = rbuf;
|
|
char *p = strdup(pass);
|
|
int n, o = 0;
|
|
|
|
n = strlen(p);
|
|
if (p[n-1] == '\n') {
|
|
p[n-1] = '\0';
|
|
}
|
|
/*
|
|
* usually is: Password: mypassword\r\n\r\n<output-of-command>
|
|
* and output will have \n -> \r\n
|
|
*/
|
|
if (rbuf[0] == ' ') {
|
|
s++;
|
|
o++;
|
|
}
|
|
if (strstr(s, p) == s) {
|
|
s += strlen(p);
|
|
o += strlen(p);
|
|
for (n = 0; n < 4; n++) {
|
|
if (s[0] == '\r' || s[0] == '\n') {
|
|
s++;
|
|
o++;
|
|
}
|
|
}
|
|
}
|
|
if (o > 0) {
|
|
int i = 0;
|
|
rsize -= o;
|
|
while (o < drain_size) {
|
|
rbuf[i++] = rbuf[o++];
|
|
}
|
|
}
|
|
*rbuf_size = rsize;
|
|
strzero(p);
|
|
free(p);
|
|
}
|
|
|
|
if (db) fprintf(stderr, "\n--\n");
|
|
|
|
alarm(0);
|
|
signal(SIGALRM, SIG_DFL);
|
|
if (alarm_fired) {
|
|
kill_child(pid, fd);
|
|
return 0;
|
|
}
|
|
|
|
slave_fd = -1;
|
|
|
|
pidw = waitpid(pid, &status, 0);
|
|
close(fd);
|
|
|
|
if (pid != pidw) {
|
|
return 0;
|
|
}
|
|
|
|
if (WIFEXITED(status) && WEXITSTATUS(status) == 0) {
|
|
return 1; /* this is the only return of success. */
|
|
} else {
|
|
return 0;
|
|
}
|
|
#endif /* UNIXPW_SU */
|
|
}
|
|
|
|
int unixpw_verify(char *user, char *pass) {
|
|
int ok = 0;
|
|
if (unixpw_cmd) {
|
|
if (cmd_verify(user, pass)) {
|
|
rfbLog("unixpw_verify: cmd_verify login for '%s'"
|
|
" succeeded.\n", user);
|
|
fflush(stderr);
|
|
ok = 1;
|
|
} else {
|
|
rfbLog("unixpw_verify: cmd_verify login for '%s'"
|
|
" failed.\n", user);
|
|
fflush(stderr);
|
|
usleep(3000*1000);
|
|
ok = 0;
|
|
}
|
|
} else if (unixpw_nis) {
|
|
if (crypt_verify(user, pass)) {
|
|
rfbLog("unixpw_verify: crypt_verify login for '%s'"
|
|
" succeeded.\n", user);
|
|
fflush(stderr);
|
|
ok = 1;
|
|
} else {
|
|
rfbLog("unixpw_verify: crypt_verify login for '%s'"
|
|
" failed.\n", user);
|
|
fflush(stderr);
|
|
usleep(3000*1000);
|
|
ok = 0;
|
|
}
|
|
} else {
|
|
if (su_verify(user, pass, NULL, NULL, NULL, 1)) {
|
|
rfbLog("unixpw_verify: su_verify login for '%s'"
|
|
" succeeded.\n", user);
|
|
fflush(stderr);
|
|
ok = 1;
|
|
} else {
|
|
rfbLog("unixpw_verify: su_verify login for '%s'"
|
|
" failed.\n", user);
|
|
fflush(stderr);
|
|
/* use su(1)'s sleep */
|
|
ok = 0;
|
|
}
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
static int skip_it = 0;
|
|
|
|
static void progress_skippy(void) {
|
|
int i, msec = get_net_latency(); /* probabaly not set yet.. */
|
|
|
|
if (msec > 300) {
|
|
msec = 300;
|
|
} else if (msec <= 100) {
|
|
msec = 100;
|
|
}
|
|
|
|
skip_it = 1;
|
|
for (i = 0; i < 5; i++) {
|
|
if (i == 2) {
|
|
rfbPE(msec * 1000);
|
|
} else {
|
|
rfbPE(-1);
|
|
}
|
|
usleep(10*1000);
|
|
}
|
|
skip_it = 0;
|
|
|
|
usleep(50*1000);
|
|
}
|
|
|
|
void check_unixpw_userprefs(void) {
|
|
char *prefs = getenv("FD_USERPREFS");
|
|
if (keep_unixpw_user == NULL || keep_unixpw_opts == NULL) {
|
|
return;
|
|
}
|
|
#if LIBVNCSERVER_HAVE_PWD_H
|
|
if (prefs != NULL && !strchr(prefs, '/')) {
|
|
struct passwd *pw = getpwnam(keep_unixpw_user);
|
|
if (pw != NULL) {
|
|
char *file;
|
|
FILE *f;
|
|
|
|
file = (char *) malloc(strlen(pw->pw_dir) + 1 + strlen(prefs) + 1);
|
|
sprintf(file, "%s/%s", pw->pw_dir, prefs);
|
|
|
|
f = fopen(file, "r");
|
|
if (f) {
|
|
char *t, *q, buf[1024];
|
|
memset(buf, 0, sizeof(buf));
|
|
|
|
fgets(buf, 1024, f);
|
|
fclose(f);
|
|
|
|
q = strchr(buf, '\n');
|
|
if (q) *q = '\0';
|
|
q = strchr(buf, '\r');
|
|
if (q) *q = '\0';
|
|
|
|
rfbLog("read user prefs %s: %s\n", file, buf);
|
|
|
|
if (buf[0] == '#') buf[0] = '\0';
|
|
|
|
t = (char *) malloc(strlen(keep_unixpw_opts) + 1 + strlen(buf) + 1);
|
|
sprintf(t, "%s,%s", keep_unixpw_opts, buf);
|
|
free(keep_unixpw_opts);
|
|
keep_unixpw_opts = t;
|
|
} else {
|
|
rfbLog("could not read user prefs %s\n", file);
|
|
rfbLogPerror("fopen");
|
|
}
|
|
free(file);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
void unixpw_verify_screen(char *user, char *pass) {
|
|
int x, y;
|
|
char li[] = "Login incorrect";
|
|
char ls[] = "Login succeeded";
|
|
char log[] = "login: ";
|
|
char *colon = NULL;
|
|
ClientData *cd = NULL;
|
|
int ok;
|
|
|
|
if (db) fprintf(stderr, "unixpw_verify: '%s' '%s'\n", user, db > 1 ? pass : "********");
|
|
rfbLog("unixpw_verify: '%s'\n", user ? user : "(null)");
|
|
|
|
if (user) {
|
|
colon = strchr(user, ':');
|
|
}
|
|
if (colon) {
|
|
*colon = '\0';
|
|
rfbLog("unixpw_verify: colon: '%s'\n", user);
|
|
}
|
|
fflush(stderr);
|
|
if (unixpw_client) {
|
|
cd = (ClientData *) unixpw_client->clientData;
|
|
if (cd) {
|
|
char *str = (char *)malloc(strlen("UNIX:") +
|
|
strlen(user) + 1);
|
|
sprintf(str, "UNIX:%s", user);
|
|
if (cd->username) {
|
|
free(cd->username);
|
|
}
|
|
cd->username = str;
|
|
}
|
|
}
|
|
|
|
ok = unixpw_verify(user, pass);
|
|
|
|
if (ok) {
|
|
char_row++;
|
|
char_col = 0;
|
|
|
|
x = text_x();
|
|
y = text_y();
|
|
rfbDrawString(pscreen, &default8x16Font, x, y, ls, white_pixel());
|
|
unixpw_mark();
|
|
|
|
progress_skippy();
|
|
|
|
unixpw_accept(user);
|
|
|
|
if (keep_unixpw) {
|
|
keep_unixpw_user = strdup(user);
|
|
keep_unixpw_pass = strdup(pass);
|
|
if (colon) {
|
|
keep_unixpw_opts = strdup(colon+1);
|
|
} else {
|
|
keep_unixpw_opts = strdup("");
|
|
}
|
|
check_unixpw_userprefs();
|
|
}
|
|
|
|
if (colon) *colon = ':';
|
|
|
|
return;
|
|
}
|
|
if (colon) *colon = ':';
|
|
|
|
if (tries < 2) {
|
|
char_row++;
|
|
char_col = 0;
|
|
|
|
x = text_x();
|
|
y = text_y();
|
|
rfbDrawString(pscreen, &default8x16Font, x, y, li, white_pixel());
|
|
|
|
char_row += 2;
|
|
|
|
x = text_x();
|
|
y = text_y();
|
|
rfbDrawString(pscreen, &default8x16Font, x, y, log, white_pixel());
|
|
|
|
char_col = strlen(log);
|
|
|
|
unixpw_mark();
|
|
|
|
unixpw_last_try_time = time(NULL);
|
|
unixpw_keystroke(0, 0, 2);
|
|
tries++;
|
|
} else {
|
|
unixpw_deny();
|
|
}
|
|
}
|
|
|
|
static void set_db(void) {
|
|
if (getenv("DEBUG_UNIXPW")) {
|
|
db = atoi(getenv("DEBUG_UNIXPW"));
|
|
rfbLog("DEBUG_UNIXPW: %d\n", db);
|
|
}
|
|
}
|
|
|
|
void unixpw_keystroke(rfbBool down, rfbKeySym keysym, int init) {
|
|
int x, y, i, rc, nmax = 100;
|
|
static char user_r[100], user[100], pass[100];
|
|
static int u_cnt = 0, p_cnt = 0, t_cnt = 0, first = 1;
|
|
static int echo = 1;
|
|
char keystr[100];
|
|
char *str;
|
|
|
|
if (skip_it) {
|
|
return;
|
|
}
|
|
|
|
if (first) {
|
|
set_db();
|
|
first = 0;
|
|
for (i=0; i < nmax; i++) {
|
|
user_r[i] = '\0';
|
|
user[i] = '\0';
|
|
pass[i] = '\0';
|
|
}
|
|
}
|
|
|
|
if (init) {
|
|
in_login = 1;
|
|
in_passwd = 0;
|
|
unixpw_denied = 0;
|
|
echo = 1;
|
|
if (init == 1) {
|
|
tries = 0;
|
|
}
|
|
|
|
u_cnt = 0;
|
|
p_cnt = 0;
|
|
t_cnt = 0;
|
|
for (i=0; i<nmax; i++) {
|
|
user[i] = '\0';
|
|
pass[i] = '\0';
|
|
}
|
|
if (keep_unixpw_user) {
|
|
free(keep_unixpw_user);
|
|
keep_unixpw_user = NULL;
|
|
}
|
|
if (keep_unixpw_pass) {
|
|
strzero(keep_unixpw_pass);
|
|
free(keep_unixpw_pass);
|
|
keep_unixpw_pass = NULL;
|
|
}
|
|
if (keep_unixpw_opts) {
|
|
strzero(keep_unixpw_opts);
|
|
free(keep_unixpw_opts);
|
|
keep_unixpw_opts = NULL;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (unixpw_denied) {
|
|
rfbLog("unixpw_keystroke: unixpw_denied state: 0x%x\n", (int) keysym);
|
|
return;
|
|
}
|
|
if (keysym <= 0) {
|
|
rfbLog("unixpw_keystroke: bad keysym1: 0x%x\n", (int) keysym);
|
|
return;
|
|
}
|
|
|
|
/* rfbKeySym = uint32_t */
|
|
/* KeySym = XID = CARD32 = (unsigned long or unsigned int on LONG64) */
|
|
X_LOCK;
|
|
str = XKeysymToString(keysym);
|
|
X_UNLOCK;
|
|
if (str == NULL) {
|
|
rfbLog("unixpw_keystroke: bad keysym2: 0x%x\n", (int) keysym);
|
|
return;
|
|
}
|
|
|
|
rc = snprintf(keystr, 100, "%s", str);
|
|
if (rc < 1 || rc > 90) {
|
|
rfbLog("unixpw_keystroke: bad keysym3: 0x%x\n", (int) keysym);
|
|
return;
|
|
}
|
|
|
|
if (db > 2) {
|
|
fprintf(stderr, "%s / %s 0x%x %s\n", in_login ? "login":"pass ",
|
|
down ? "down":"up ", keysym, keystr);
|
|
}
|
|
|
|
if (keysym == XK_Return || keysym == XK_Linefeed || keysym == XK_Tab) {
|
|
/* let "up" pass down below for Return case */
|
|
if (down) {
|
|
return;
|
|
}
|
|
} else if (! down) {
|
|
return;
|
|
}
|
|
if (keysym == XK_F1) {
|
|
char h1[] = "F1-Help: For 'login:' type in the username and press Enter, then for 'Password:' enter the password.";
|
|
char hf[] = " Once logged in, username's X session will be searched for and if found then attached to.";
|
|
char hc[] = " Once logged in, username's X session is sought and attached to, otherwise a new session is created.";
|
|
char hx[] = " Once logged in, username's X session is sought and attached to, otherwise a login greeter is presented.";
|
|
char h2[] = " Specify options after a ':' like this: username:opt,opt=val,... Where an opt may be any of:";
|
|
char h3[] = " scale=... (n/m); scale_cursor=... (sc=); solid (so); id=; repeat; clear_mods (cm); clear_keys (ck);";
|
|
char h4[] = " clear_all (ca); speeds=... (sp=); readtimeout=... (rd=) rotate=... (ro=); noncache (nc) (nc=n);";
|
|
char h5[] = " geom=WxHxD (ge=); nodisplay=... (nd=); viewonly (vo); tag=...; gnome kde twm fvwm mwm dtwm wmaker";
|
|
char h6[] = " xfce lxde enlightenment Xsession failsafe. Examples: fred:3/4,so,cm wilma:geom=1024x768x16,kde";
|
|
int ch = 13, p;
|
|
if (!pscreen || pscreen->width < 640 || pscreen->height < 480) {
|
|
return;
|
|
}
|
|
if (f1_help) {
|
|
p = black_pixel();
|
|
f1_help = 0;
|
|
} else {
|
|
p = white_pixel();
|
|
f1_help = 1;
|
|
unixpw_last_try_time = time(NULL) + 45;
|
|
}
|
|
rfbDrawString(pscreen, &default6x13Font, 8, 2+1*ch, h1, p);
|
|
if (use_dpy == NULL) {
|
|
;
|
|
} else if (strstr(use_dpy, "cmd=FINDDISPLAY")) {
|
|
rfbDrawString(pscreen, &default6x13Font, 8, 2+2*ch, hf, p);
|
|
} else if (strstr(use_dpy, "cmd=FINDCREATEDISPLAY")) {
|
|
if (strstr(use_dpy, "xdmcp")) {
|
|
rfbDrawString(pscreen, &default6x13Font, 8, 2+2*ch, hx, p);
|
|
} else {
|
|
rfbDrawString(pscreen, &default6x13Font, 8, 2+2*ch, hc, p);
|
|
}
|
|
}
|
|
rfbDrawString(pscreen, &default6x13Font, 8, 2+3*ch, h2, p);
|
|
rfbDrawString(pscreen, &default6x13Font, 8, 2+4*ch, h3, p);
|
|
rfbDrawString(pscreen, &default6x13Font, 8, 2+5*ch, h4, p);
|
|
rfbDrawString(pscreen, &default6x13Font, 8, 2+6*ch, h5, p);
|
|
rfbDrawString(pscreen, &default6x13Font, 8, 2+7*ch, h6, p);
|
|
if (!f1_help) {
|
|
rfbDrawString(pscreen, &default6x13Font, 8, 2+1*ch, "F1-Help:", white_pixel());
|
|
}
|
|
unixpw_mark();
|
|
return;
|
|
}
|
|
if (unixpw_system_greeter_active && keysym == XK_Escape) {
|
|
char *u = get_user_name();
|
|
if (keep_unixpw) {
|
|
char *colon = strchr(user, ':');
|
|
keep_unixpw_user = strdup(u);
|
|
keep_unixpw_pass = strdup("");
|
|
if (colon) {
|
|
keep_unixpw_opts = strdup(colon+1);
|
|
} else {
|
|
keep_unixpw_opts = strdup("");
|
|
}
|
|
check_unixpw_userprefs();
|
|
}
|
|
unixpw_system_greeter_active = 2;
|
|
set_env("X11VNC_XDM_ONLY", "1");
|
|
rfbLog("unixpw_system_greeter: VNC client pressed 'Escape'. Allowing\n");
|
|
rfbLog("unixpw_system_greeter: a *FREE* (no password) connection to\n");
|
|
rfbLog("unixpw_system_greeter: the system XDM/GDM/KDM login greeter.\n");
|
|
if (1) {
|
|
char msg[] = " Please wait... ";
|
|
rfbDrawString(pscreen, &default8x16Font,
|
|
text_x(), text_y(), msg, white_pixel());
|
|
unixpw_mark();
|
|
|
|
progress_skippy();
|
|
}
|
|
unixpw_accept(u);
|
|
free(u);
|
|
return;
|
|
}
|
|
|
|
if (in_login && keysym == XK_Escape && u_cnt == 0) {
|
|
echo = 0;
|
|
rfbLog("unixpw_keystroke: echo off.\n");
|
|
return;
|
|
}
|
|
|
|
t_cnt++;
|
|
|
|
if (in_login) {
|
|
if (keysym == XK_BackSpace || keysym == XK_Delete) {
|
|
if (u_cnt > 0) {
|
|
user[u_cnt-1] = '\0';
|
|
u_cnt--;
|
|
|
|
x = text_x();
|
|
y = text_y();
|
|
if (scaling) {
|
|
int x2 = x / scale_fac_x;
|
|
int y2 = y / scale_fac_y;
|
|
int w2 = char_w / scale_fac_x;
|
|
int h2 = char_h / scale_fac_y;
|
|
|
|
x2 = nfix(x2, dpy_x);
|
|
y2 = nfix(y2, dpy_y);
|
|
|
|
zero_fb(x2 - w2, y2 - h2, x2, y2);
|
|
mark_rect_as_modified(x2 - w2,
|
|
y2 - h2, x2, y2, 0);
|
|
} else {
|
|
zero_fb(x - char_w, y - char_h, x, y);
|
|
mark_rect_as_modified(x - char_w,
|
|
y - char_h, x, y, 0);
|
|
}
|
|
char_col--;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (keysym == XK_Return || keysym == XK_Linefeed || keysym == XK_Tab) {
|
|
char pw[] = "Password: ";
|
|
|
|
if (down) {
|
|
/*
|
|
* require Up so the Return Up is not processed
|
|
* by the normal session after login.
|
|
* (actually we already returned above)
|
|
*/
|
|
return;
|
|
}
|
|
|
|
if (t_cnt == 1) {
|
|
/* accidental initial return, e.g. from xterm */
|
|
return;
|
|
}
|
|
|
|
in_login = 0;
|
|
in_passwd = 1;
|
|
|
|
char_row++;
|
|
char_col = 0;
|
|
|
|
x = text_x();
|
|
y = text_y();
|
|
rfbDrawString(pscreen, &default8x16Font, x, y, pw,
|
|
white_pixel());
|
|
|
|
char_col = strlen(pw);
|
|
unixpw_mark();
|
|
return;
|
|
}
|
|
|
|
if (u_cnt == 0 && keysym == XK_Up) {
|
|
/*
|
|
* Allow user to hit Up arrow at beginning to
|
|
* regain their username plus any options.
|
|
*/
|
|
int i;
|
|
for (i=0; i < nmax; i++) {
|
|
user[i] = '\0';
|
|
}
|
|
for (i=0; i < nmax; i++) {
|
|
char str[10];
|
|
user[u_cnt++] = user_r[i];
|
|
if (user_r[i] == '\0') {
|
|
break;
|
|
}
|
|
str[0] = (char) user_r[i];
|
|
str[1] = '\0';
|
|
|
|
x = text_x();
|
|
y = text_y();
|
|
if (echo) {
|
|
rfbDrawString(pscreen, &default8x16Font, x, y,
|
|
str, white_pixel());
|
|
}
|
|
mark_rect_as_modified(x, y-char_h, x+char_w,
|
|
y, scaling);
|
|
char_col++;
|
|
usleep(10*1000);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (keysym < ' ' || keysym >= 0x7f) {
|
|
/* require normal keyboard characters for username */
|
|
rfbLog("unixpw_keystroke: bad keysym4: 0x%x\n", (int) keysym);
|
|
return;
|
|
}
|
|
|
|
if (u_cnt >= nmax - 1) {
|
|
/* user[u_cnt=99] will be '\0' */
|
|
rfbLog("unixpw_deny: username too long: %d\n", u_cnt);
|
|
for (i=0; i<nmax; i++) {
|
|
user[i] = '\0';
|
|
pass[i] = '\0';
|
|
}
|
|
unixpw_deny();
|
|
return;
|
|
}
|
|
|
|
#if 0
|
|
user[u_cnt++] = keystr[0];
|
|
#else
|
|
user[u_cnt++] = (char) keysym;
|
|
for (i=0; i < nmax; i++) {
|
|
/* keep a full copy of username */
|
|
user_r[i] = user[i];
|
|
}
|
|
keystr[0] = (char) keysym;
|
|
#endif
|
|
keystr[1] = '\0';
|
|
|
|
x = text_x();
|
|
y = text_y();
|
|
|
|
if (db && db <= 2) fprintf(stderr, "u_cnt: %d %d/%d ks: 0x%x '%s'\n", u_cnt, x, y, keysym, keystr);
|
|
|
|
if (echo ) {
|
|
rfbDrawString(pscreen, &default8x16Font, x, y, keystr, white_pixel());
|
|
}
|
|
|
|
mark_rect_as_modified(x, y-char_h, x+char_w, y, scaling);
|
|
char_col++;
|
|
|
|
return;
|
|
|
|
} else if (in_passwd) {
|
|
if (keysym == XK_BackSpace || keysym == XK_Delete) {
|
|
if (p_cnt > 0) {
|
|
pass[p_cnt-1] = '\0';
|
|
p_cnt--;
|
|
}
|
|
return;
|
|
}
|
|
if (keysym == XK_Return || keysym == XK_Linefeed) {
|
|
if (down) {
|
|
/*
|
|
* require Up so the Return Up is not processed
|
|
* by the normal session after login.
|
|
* (actually we already returned above)
|
|
*/
|
|
return;
|
|
}
|
|
|
|
if (1) {
|
|
char msg[] = " Please wait... ";
|
|
rfbDrawString(pscreen, &default8x16Font,
|
|
text_x(), text_y(), msg, white_pixel());
|
|
unixpw_mark();
|
|
|
|
progress_skippy();
|
|
}
|
|
|
|
in_login = 0;
|
|
in_passwd = 0;
|
|
|
|
pass[p_cnt++] = '\n';
|
|
unixpw_verify_screen(user, pass);
|
|
for (i=0; i<nmax; i++) {
|
|
user[i] = '\0';
|
|
pass[i] = '\0';
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (keysym < ' ' || keysym >= 0x7f) {
|
|
/* require normal keyboard characters for password */
|
|
return;
|
|
}
|
|
|
|
if (p_cnt >= nmax - 2) {
|
|
/* pass[u_cnt=98] will be '\n' */
|
|
/* pass[u_cnt=99] will be '\0' */
|
|
rfbLog("unixpw_deny: password too long: %d\n", p_cnt);
|
|
for (i=0; i<nmax; i++) {
|
|
user[i] = '\0';
|
|
pass[i] = '\0';
|
|
}
|
|
unixpw_deny();
|
|
return;
|
|
}
|
|
|
|
pass[p_cnt++] = (char) keysym;
|
|
|
|
return;
|
|
|
|
} else {
|
|
/* should not happen... anyway clean up a bit. */
|
|
u_cnt = 0;
|
|
p_cnt = 0;
|
|
for (i=0; i<nmax; i++) {
|
|
user_r[i] = '\0';
|
|
user[i] = '\0';
|
|
pass[i] = '\0';
|
|
}
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void apply_opts (char *user) {
|
|
char *p, *q, *str, *opts = NULL, *opts_star = NULL;
|
|
rfbClientPtr cl;
|
|
ClientData *cd;
|
|
int i, notmode = 0;
|
|
|
|
if (! unixpw_client) {
|
|
rfbLog("apply_opts: unixpw_client is NULL\n");
|
|
clean_up_exit(1);
|
|
}
|
|
cd = (ClientData *) unixpw_client->clientData;
|
|
cl = unixpw_client;
|
|
|
|
if (! cd) {
|
|
rfbLog("apply_opts: no ClientData\n");
|
|
}
|
|
|
|
if (user && cd) {
|
|
if (cd->unixname) {
|
|
free(cd->unixname);
|
|
}
|
|
cd->unixname = strdup(user);
|
|
rfbLog("apply_opts: set unixname to: %s\n", cd->unixname);
|
|
}
|
|
|
|
if (! unixpw_list) {
|
|
return;
|
|
}
|
|
str = strdup(unixpw_list);
|
|
|
|
/* apply any per-user options. */
|
|
if (str[0] == '!') {
|
|
p = strtok(str+1, ",");
|
|
notmode = 1;
|
|
} else {
|
|
p = strtok(str, ",");
|
|
}
|
|
while (p) {
|
|
if ( (q = strchr(p, ':')) != NULL ) {
|
|
*q = '\0'; /* get rid of options. */
|
|
} else {
|
|
p = strtok(NULL, ",");
|
|
continue;
|
|
}
|
|
if (user && !strcmp(user, p)) {
|
|
/* will not happen in notmode */
|
|
opts = strdup(q+1);
|
|
}
|
|
if (!strcmp("*", p)) {
|
|
opts_star = strdup(q+1);
|
|
}
|
|
p = strtok(NULL, ",");
|
|
}
|
|
free(str);
|
|
|
|
for (i=0; i < 2; i++) {
|
|
char *s = (i == 0) ? opts_star : opts;
|
|
if (s == NULL) {
|
|
continue;
|
|
}
|
|
p = strtok(s, "+");
|
|
while (p) {
|
|
if (!strcmp(p, "viewonly")) {
|
|
cl->viewOnly = TRUE;
|
|
if (cd) {
|
|
strncpy(cd->input, "-", CILEN);
|
|
}
|
|
} else if (!strcmp(p, "fullaccess")) {
|
|
cl->viewOnly = FALSE;
|
|
if (cd) {
|
|
strncpy(cd->input, "-", CILEN);
|
|
}
|
|
} else if ((q = strstr(p, "input=")) == p) {
|
|
q += strlen("input=");
|
|
if (cd) {
|
|
strncpy(cd->input, q, CILEN);
|
|
}
|
|
} else if (!strcmp(p, "deny")) {
|
|
cl->viewOnly = TRUE;
|
|
unixpw_deny();
|
|
break;
|
|
}
|
|
p = strtok(NULL, "+");
|
|
}
|
|
free(s);
|
|
}
|
|
}
|
|
|
|
void unixpw_accept(char *user) {
|
|
apply_opts(user);
|
|
|
|
if (!use_stunnel) {
|
|
ssl_helper_pid(0, -2); /* waitall */
|
|
}
|
|
|
|
if (accept_cmd && strstr(accept_cmd, "popup") == accept_cmd) {
|
|
if (use_dpy && strstr(use_dpy, "WAIT:") == use_dpy &&
|
|
dpy == NULL) {
|
|
/* handled in main() */
|
|
unixpw_client->onHold = TRUE;
|
|
} else if (! accept_client(unixpw_client)) {
|
|
unixpw_deny();
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (started_as_root == 1 && users_list
|
|
&& strstr(users_list, "unixpw=") == users_list) {
|
|
if (getuid() && geteuid()) {
|
|
rfbLog("unixpw_accept: unixpw= but not root\n");
|
|
started_as_root = 2;
|
|
} else {
|
|
char *u = (char *)malloc(strlen(user)+1);
|
|
|
|
u[0] = '\0';
|
|
if (!strcmp(users_list, "unixpw=")) {
|
|
sprintf(u, "+%s", user);
|
|
} else {
|
|
char *p, *str = strdup(users_list);
|
|
p = strtok(str + strlen("unixpw="), ",");
|
|
while (p) {
|
|
if (!strcmp(p, user)) {
|
|
sprintf(u, "+%s", user);
|
|
break;
|
|
}
|
|
p = strtok(NULL, ",");
|
|
}
|
|
free(str);
|
|
}
|
|
|
|
if (u[0] == '\0') {
|
|
rfbLog("unixpw_accept skipping switch to user: %s\n", user);
|
|
} else if (switch_user(u, 0)) {
|
|
rfbLog("unixpw_accept switched to user: %s\n", user);
|
|
} else {
|
|
rfbLog("unixpw_accept failed to switch to user: %s\n", user);
|
|
}
|
|
free(u);
|
|
}
|
|
}
|
|
|
|
if (unixpw_login_viewonly) {
|
|
unixpw_client->viewOnly = TRUE;
|
|
}
|
|
unixpw_in_progress = 0;
|
|
/* mutex */
|
|
screen->permitFileTransfer = unixpw_file_xfer_save;
|
|
if ((tightfilexfer = unixpw_tightvnc_xfer_save)) {
|
|
/* this doesn't work: the current client is never registered! */
|
|
#ifdef LIBVNCSERVER_WITH_TIGHTVNC_FILETRANSFER
|
|
rfbLog("rfbRegisterTightVNCFileTransferExtension: 1\n");
|
|
rfbRegisterTightVNCFileTransferExtension();
|
|
#endif
|
|
}
|
|
unixpw_client = NULL;
|
|
mark_rect_as_modified(0, 0, dpy_x, dpy_y, 0);
|
|
if (macosx_console) {
|
|
refresh_screen(1);
|
|
}
|
|
}
|
|
|
|
void unixpw_deny(void) {
|
|
int x, y, i;
|
|
char pd[] = "Permission denied.";
|
|
|
|
rfbLog("unixpw_deny: %d, %d\n", unixpw_denied, unixpw_in_progress);
|
|
if (! unixpw_denied) {
|
|
unixpw_denied = 1;
|
|
|
|
char_row += 2;
|
|
char_col = 0;
|
|
x = char_x + char_col * char_w;
|
|
y = char_y + char_row * char_h;
|
|
|
|
rfbDrawString(pscreen, &default8x16Font, x, y, pd, white_pixel());
|
|
unixpw_mark();
|
|
|
|
for (i=0; i<5; i++) {
|
|
rfbPE(-1);
|
|
rfbPE(-1);
|
|
usleep(500 * 1000);
|
|
}
|
|
}
|
|
|
|
if (unixpw_client) {
|
|
rfbCloseClient(unixpw_client);
|
|
rfbClientConnectionGone(unixpw_client);
|
|
rfbPE(-1);
|
|
}
|
|
|
|
unixpw_in_progress = 0;
|
|
/* mutex */
|
|
screen->permitFileTransfer = unixpw_file_xfer_save;
|
|
if ((tightfilexfer = unixpw_tightvnc_xfer_save)) {
|
|
#ifdef LIBVNCSERVER_WITH_TIGHTVNC_FILETRANSFER
|
|
rfbLog("rfbRegisterTightVNCFileTransferExtension: 2\n");
|
|
rfbRegisterTightVNCFileTransferExtension();
|
|
#endif
|
|
}
|
|
unixpw_client = NULL;
|
|
copy_screen();
|
|
}
|
|
|
|
void unixpw_msg(char *msg, int delay) {
|
|
int x, y, i;
|
|
|
|
char_row += 2;
|
|
char_col = 0;
|
|
x = char_x + char_col * char_w;
|
|
y = char_y + char_row * char_h;
|
|
|
|
rfbDrawString(pscreen, &default8x16Font, x, y, msg, white_pixel());
|
|
unixpw_mark();
|
|
|
|
for (i=0; i<5; i++) {
|
|
rfbPE(-1);
|
|
rfbPE(-1);
|
|
rfbPE(50 * 1000);
|
|
rfbPE(-1);
|
|
usleep(500 * 1000);
|
|
if (i >= delay) {
|
|
break;
|
|
}
|
|
}
|
|
}
|