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/* |
/* |
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rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
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Entrypoint and utility functions |
Entrypoint and utility functions |
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Copyright (C) Matthew Chapman 1999-2002 |
Copyright (C) Matthew Chapman 1999-2003 |
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This program is free software; you can redistribute it and/or modify |
This program 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 |
it under the terms of the GNU General Public License as published by |
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#include <unistd.h> /* read close getuid getgid getpid getppid gethostname */ |
#include <unistd.h> /* read close getuid getgid getpid getppid gethostname */ |
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#include <fcntl.h> /* open */ |
#include <fcntl.h> /* open */ |
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#include <pwd.h> /* getpwuid */ |
#include <pwd.h> /* getpwuid */ |
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#include <limits.h> /* PATH_MAX */ |
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#include <termios.h> /* tcgetattr tcsetattr */ |
#include <termios.h> /* tcgetattr tcsetattr */ |
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#include <sys/stat.h> /* stat */ |
#include <sys/stat.h> /* stat */ |
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#include <sys/time.h> /* gettimeofday */ |
#include <sys/time.h> /* gettimeofday */ |
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char hostname[16]; |
char hostname[16]; |
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char keymapname[16]; |
char keymapname[16]; |
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int keylayout = 0x409; /* Defaults to US keyboard layout */ |
int keylayout = 0x409; /* Defaults to US keyboard layout */ |
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int width = 800; |
int width = 800; /* If width or height are reset to zero, the geometry will |
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be fetched from _NET_WORKAREA */ |
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int height = 600; |
int height = 600; |
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int tcp_port_rdp = TCP_PORT_RDP; |
int tcp_port_rdp = TCP_PORT_RDP; |
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int server_bpp = 8; |
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BOOL bitmap_compression = True; |
BOOL bitmap_compression = True; |
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BOOL sendmotion = True; |
BOOL sendmotion = True; |
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BOOL orders = True; |
BOOL orders = True; |
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BOOL desktop_save = True; |
BOOL desktop_save = True; |
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BOOL fullscreen = False; |
BOOL fullscreen = False; |
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BOOL grab_keyboard = True; |
BOOL grab_keyboard = True; |
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BOOL hide_decorations = False; |
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extern BOOL owncolmap; |
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|
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/* Display usage information */ |
/* Display usage information */ |
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static void |
static void |
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usage(char *program) |
usage(char *program) |
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{ |
{ |
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fprintf(stderr, "rdesktop: A Remote Desktop Protocol client.\n"); |
fprintf(stderr, "rdesktop: A Remote Desktop Protocol client.\n"); |
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fprintf(stderr, "Version " VERSION ". Copyright (C) 1999-2002 Matt Chapman.\n"); |
fprintf(stderr, "Version " VERSION ". Copyright (C) 1999-2003 Matt Chapman.\n"); |
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fprintf(stderr, "See http://www.rdesktop.org/ for more information.\n\n"); |
fprintf(stderr, "See http://www.rdesktop.org/ for more information.\n\n"); |
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|
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fprintf(stderr, "Usage: %s [options] server[:port]\n", program); |
fprintf(stderr, "Usage: %s [options] server[:port]\n", program); |
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fprintf(stderr, " -c: working directory\n"); |
fprintf(stderr, " -c: working directory\n"); |
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fprintf(stderr, " -p: password (- to prompt)\n"); |
fprintf(stderr, " -p: password (- to prompt)\n"); |
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fprintf(stderr, " -n: client hostname\n"); |
fprintf(stderr, " -n: client hostname\n"); |
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fprintf(stderr, " -k: keyboard layout on terminal server (us,sv,gr etc.)\n"); |
fprintf(stderr, " -k: keyboard layout on terminal server (us,sv,gr,etc.)\n"); |
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fprintf(stderr, " -g: desktop geometry (WxH)\n"); |
fprintf(stderr, " -g: desktop geometry (WxH)\n"); |
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fprintf(stderr, " -f: full-screen mode\n"); |
fprintf(stderr, " -f: full-screen mode\n"); |
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fprintf(stderr, " -b: force bitmap updates\n"); |
fprintf(stderr, " -b: force bitmap updates\n"); |
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fprintf(stderr, " -e: disable encryption (French TS)\n"); |
fprintf(stderr, " -e: disable encryption (French TS)\n"); |
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fprintf(stderr, " -m: do not send motion events\n"); |
fprintf(stderr, " -m: do not send motion events\n"); |
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fprintf(stderr, " -C: use private colour map\n"); |
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fprintf(stderr, " -K: keep window manager key bindings\n"); |
fprintf(stderr, " -K: keep window manager key bindings\n"); |
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fprintf(stderr, " -w: window title\n"); |
fprintf(stderr, " -T: window title\n"); |
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fprintf(stderr, " -D: hide window manager decorations\n"); |
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fprintf(stderr, " -a: server bpp\n"); |
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} |
} |
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static BOOL |
static BOOL |
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char fullhostname[64]; |
char fullhostname[64]; |
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char domain[16]; |
char domain[16]; |
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char password[16]; |
char password[16]; |
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char shell[32]; |
char shell[128]; |
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char directory[32]; |
char directory[32]; |
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BOOL prompt_password; |
BOOL prompt_password; |
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struct passwd *pw; |
struct passwd *pw; |
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uint32 flags; |
uint32 flags; |
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char *p; |
char *p; |
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int c; |
int c; |
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int username_option = 0; |
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flags = RDP_LOGON_NORMAL; |
flags = RDP_LOGON_NORMAL; |
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prompt_password = False; |
prompt_password = False; |
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domain[0] = password[0] = shell[0] = directory[0] = 0; |
domain[0] = password[0] = shell[0] = directory[0] = 0; |
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strcpy(keymapname, "us"); |
strcpy(keymapname, "en-us"); |
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while ((c = getopt(argc, argv, "u:d:s:c:p:n:k:g:fbemKw:h?")) != -1) |
while ((c = getopt(argc, argv, "u:d:s:c:p:n:k:g:a:fbemCKT:Dh?")) != -1) |
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{ |
{ |
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switch (c) |
switch (c) |
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{ |
{ |
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case 'u': |
case 'u': |
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STRNCPY(username, optarg, sizeof(username)); |
STRNCPY(username, optarg, sizeof(username)); |
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username_option = 1; |
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break; |
break; |
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case 'd': |
case 'd': |
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break; |
break; |
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case 'g': |
case 'g': |
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if (!strcmp(optarg, "workarea")) |
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{ |
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width = height = 0; |
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break; |
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} |
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width = strtol(optarg, &p, 10); |
width = strtol(optarg, &p, 10); |
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if (*p == 'x') |
if (*p == 'x') |
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height = strtol(p + 1, NULL, 10); |
height = strtol(p + 1, NULL, 10); |
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sendmotion = False; |
sendmotion = False; |
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break; |
break; |
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case 'C': |
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owncolmap = True; |
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break; |
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case 'K': |
case 'K': |
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grab_keyboard = False; |
grab_keyboard = False; |
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break; |
break; |
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case 'w': |
case 'T': |
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STRNCPY(title, optarg, sizeof(title)); |
STRNCPY(title, optarg, sizeof(title)); |
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break; |
break; |
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case 'D': |
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hide_decorations = True; |
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break; |
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case 'a': |
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server_bpp = strtol(optarg, NULL, 10); |
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if (server_bpp != 8 && server_bpp != 16 && server_bpp != 15 && server_bpp != 24) |
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{ |
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error("invalid server bpp\n"); |
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return 1; |
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} |
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break; |
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case 'h': |
case 'h': |
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case '?': |
case '?': |
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default: |
default: |
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*p = 0; |
*p = 0; |
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} |
} |
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if (username[0] == 0) |
if (!username_option) |
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{ |
{ |
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pw = getpwuid(getuid()); |
pw = getpwuid(getuid()); |
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if ((pw == NULL) || (pw->pw_name == NULL)) |
if ((pw == NULL) || (pw->pw_name == NULL)) |
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addr.sun_family = AF_UNIX; |
addr.sun_family = AF_UNIX; |
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memcpy(addr.sun_path, EGD_SOCKET, sizeof(EGD_SOCKET)); |
memcpy(addr.sun_path, EGD_SOCKET, sizeof(EGD_SOCKET)); |
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if (connect(fd, (struct sockaddr *)&addr, sizeof(addr)) == -1) |
if (connect(fd, (struct sockaddr *) &addr, sizeof(addr)) == -1) |
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goto err; |
goto err; |
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/* PRNGD and EGD use a simple communications protocol */ |
/* PRNGD and EGD use a simple communications protocol */ |
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buf[0] = 1; /* Non-blocking (similar to /dev/urandom) */ |
buf[0] = 1; /* Non-blocking (similar to /dev/urandom) */ |
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buf[1] = 32; /* Number of requested random bytes */ |
buf[1] = 32; /* Number of requested random bytes */ |
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if (write(fd, buf, 2) != 2) |
if (write(fd, buf, 2) != 2) |
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goto err; |
goto err; |
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if ((read(fd, buf, 1) != 1) || (buf[0] == 0)) /* Available? */ |
if ((read(fd, buf, 1) != 1) || (buf[0] == 0)) /* Available? */ |
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goto err; |
goto err; |
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if (read(fd, buf, 32) != 32) |
if (read(fd, buf, 32) != 32) |
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ret = True; |
ret = True; |
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err: |
err: |
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close(fd); |
close(fd); |
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return ret; |
return ret; |
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} |
} |
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#endif |
#endif |
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/* Otherwise use whatever entropy we can gather - ideas welcome. */ |
/* Otherwise use whatever entropy we can gather - ideas welcome. */ |
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r = (uint32 *)random; |
r = (uint32 *) random; |
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r[0] = (getpid()) | (getppid() << 16); |
r[0] = (getpid()) | (getppid() << 16); |
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r[1] = (getuid()) | (getgid() << 16); |
r[1] = (getuid()) | (getgid() << 16); |
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r[2] = times(&tmsbuf); /* system uptime (clocks) */ |
r[2] = times(&tmsbuf); /* system uptime (clocks) */ |
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/* Hash both halves with MD5 to obscure possible patterns */ |
/* Hash both halves with MD5 to obscure possible patterns */ |
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MD5_Init(&md5); |
MD5_Init(&md5); |
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MD5_Update(&md5, random, 16); |
MD5_Update(&md5, random, 16); |
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MD5_Final(random, &md5); |
MD5_Final(random, &md5); |
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MD5_Update(&md5, random+16, 16); |
MD5_Update(&md5, random + 16, 16); |
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MD5_Final(random+16, &md5); |
MD5_Final(random + 16, &md5); |
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} |
} |
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/* malloc; exit if out of memory */ |
/* malloc; exit if out of memory */ |
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va_end(ap); |
va_end(ap); |
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} |
} |
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/* report a warning */ |
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void |
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warning(char *format, ...) |
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{ |
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va_list ap; |
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fprintf(stderr, "WARNING: "); |
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va_start(ap, format); |
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vfprintf(stderr, format, ap); |
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va_end(ap); |
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} |
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/* report an unimplemented protocol feature */ |
/* report an unimplemented protocol feature */ |
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void |
void |
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unimpl(char *format, ...) |
unimpl(char *format, ...) |
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} |
} |
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} |
} |
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#ifdef SAVE_LICENCE |
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int |
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load_licence(unsigned char **data) |
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{ |
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char path[PATH_MAX]; |
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char *home; |
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struct stat st; |
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int fd; |
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home = getenv("HOME"); |
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if (home == NULL) |
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return -1; |
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STRNCPY(path, home, sizeof(path)); |
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strncat(path, "/.rdesktop/licence", sizeof(path) - strlen(path) - 1); |
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fd = open(path, O_RDONLY); |
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if (fd == -1) |
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return -1; |
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if (fstat(fd, &st)) |
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return -1; |
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*data = xmalloc(st.st_size); |
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return read(fd, *data, st.st_size); |
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} |
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void |
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save_licence(unsigned char *data, int length) |
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{ |
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char path[PATH_MAX]; |
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char *home; |
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int fd; |
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home = getenv("HOME"); |
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if (home == NULL) |
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return; |
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STRNCPY(path, home, sizeof(path)); |
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strncat(path, "/.rdesktop", sizeof(path) - strlen(path) - 1); |
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mkdir(path, 0700); |
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strncat(path, "/licence", sizeof(path) - strlen(path) - 1); |
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fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0600); |
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if (fd == -1) |
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{ |
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perror("open"); |
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return; |
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} |
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write(fd, data, length); |
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close(fd); |
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} |
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#endif |
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