1 |
/* |
/* -*- c-basic-offset: 8 -*- |
2 |
rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
3 |
Entrypoint and utility functions |
Entrypoint and utility functions |
4 |
Copyright (C) Matthew Chapman 1999-2002 |
Copyright (C) Matthew Chapman 1999-2003 |
5 |
|
|
6 |
This program is free software; you can redistribute it and/or modify |
This program is free software; you can redistribute it and/or modify |
7 |
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 |
21 |
#include <stdarg.h> /* va_list va_start va_end */ |
#include <stdarg.h> /* va_list va_start va_end */ |
22 |
#include <unistd.h> /* read close getuid getgid getpid getppid gethostname */ |
#include <unistd.h> /* read close getuid getgid getpid getppid gethostname */ |
23 |
#include <fcntl.h> /* open */ |
#include <fcntl.h> /* open */ |
|
#include <errno.h> /* save licence uses it. */ |
|
24 |
#include <pwd.h> /* getpwuid */ |
#include <pwd.h> /* getpwuid */ |
25 |
#include <termios.h> /* tcgetattr tcsetattr */ |
#include <termios.h> /* tcgetattr tcsetattr */ |
26 |
#include <sys/stat.h> /* stat */ |
#include <sys/stat.h> /* stat */ |
27 |
#include <sys/time.h> /* gettimeofday */ |
#include <sys/time.h> /* gettimeofday */ |
28 |
#include <sys/times.h> /* times */ |
#include <sys/times.h> /* times */ |
29 |
|
#include <errno.h> |
30 |
#include "rdesktop.h" |
#include "rdesktop.h" |
31 |
|
|
32 |
#ifdef EGD_SOCKET |
#ifdef EGD_SOCKET |
45 |
char hostname[16]; |
char hostname[16]; |
46 |
char keymapname[16]; |
char keymapname[16]; |
47 |
int keylayout = 0x409; /* Defaults to US keyboard layout */ |
int keylayout = 0x409; /* Defaults to US keyboard layout */ |
48 |
int width = 800; /* If width or height are reset to zero, the geometry will |
int width = 800; /* If width or height are reset to zero, the geometry will |
49 |
be fetched from _NET_WORKAREA */ |
be fetched from _NET_WORKAREA */ |
50 |
int height = 600; |
int height = 600; |
51 |
int tcp_port_rdp = TCP_PORT_RDP; |
int tcp_port_rdp = TCP_PORT_RDP; |
52 |
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int server_bpp = 8; |
53 |
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int win_button_size = 0; /* If zero, disable single app mode */ |
54 |
BOOL bitmap_compression = True; |
BOOL bitmap_compression = True; |
55 |
BOOL sendmotion = True; |
BOOL sendmotion = True; |
56 |
BOOL orders = True; |
BOOL orders = True; |
59 |
BOOL fullscreen = False; |
BOOL fullscreen = False; |
60 |
BOOL grab_keyboard = True; |
BOOL grab_keyboard = True; |
61 |
BOOL hide_decorations = False; |
BOOL hide_decorations = False; |
62 |
|
BOOL use_rdp5 = False; |
63 |
extern BOOL owncolmap; |
extern BOOL owncolmap; |
64 |
|
|
65 |
|
#ifdef RDP2VNC |
66 |
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extern int rfb_port; |
67 |
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extern int defer_time; |
68 |
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void |
69 |
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rdp2vnc_connect(char *server, uint32 flags, char *domain, char *password, |
70 |
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char *shell, char *directory); |
71 |
|
#endif |
72 |
/* Display usage information */ |
/* Display usage information */ |
73 |
static void |
static void |
74 |
usage(char *program) |
usage(char *program) |
75 |
{ |
{ |
76 |
fprintf(stderr, "rdesktop: A Remote Desktop Protocol client.\n"); |
fprintf(stderr, "rdesktop: A Remote Desktop Protocol client.\n"); |
77 |
fprintf(stderr, "Version " VERSION ". Copyright (C) 1999-2002 Matt Chapman.\n"); |
fprintf(stderr, "Version " VERSION ". Copyright (C) 1999-2003 Matt Chapman.\n"); |
78 |
fprintf(stderr, "See http://www.rdesktop.org/ for more information.\n\n"); |
fprintf(stderr, "See http://www.rdesktop.org/ for more information.\n\n"); |
79 |
|
|
80 |
fprintf(stderr, "Usage: %s [options] server[:port]\n", program); |
fprintf(stderr, "Usage: %s [options] server[:port]\n", program); |
81 |
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#ifdef RDP2VNC |
82 |
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fprintf(stderr, " -V: vnc port\n"); |
83 |
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fprintf(stderr, " -E: defer time (ms)\n"); |
84 |
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#endif |
85 |
fprintf(stderr, " -u: user name\n"); |
fprintf(stderr, " -u: user name\n"); |
86 |
fprintf(stderr, " -d: domain\n"); |
fprintf(stderr, " -d: domain\n"); |
87 |
fprintf(stderr, " -s: shell\n"); |
fprintf(stderr, " -s: shell\n"); |
88 |
|
fprintf(stderr, " -S: caption button size (single application mode)\n"); |
89 |
fprintf(stderr, " -c: working directory\n"); |
fprintf(stderr, " -c: working directory\n"); |
90 |
fprintf(stderr, " -p: password (- to prompt)\n"); |
fprintf(stderr, " -p: password (- to prompt)\n"); |
91 |
fprintf(stderr, " -n: client hostname\n"); |
fprintf(stderr, " -n: client hostname\n"); |
99 |
fprintf(stderr, " -K: keep window manager key bindings\n"); |
fprintf(stderr, " -K: keep window manager key bindings\n"); |
100 |
fprintf(stderr, " -T: window title\n"); |
fprintf(stderr, " -T: window title\n"); |
101 |
fprintf(stderr, " -D: hide window manager decorations\n"); |
fprintf(stderr, " -D: hide window manager decorations\n"); |
102 |
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fprintf(stderr, " -a: server bpp\n"); |
103 |
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fprintf(stderr, " -5: Use RDP5 (EXPERIMENTAL!)\n"); |
104 |
} |
} |
105 |
|
|
106 |
static BOOL |
static BOOL |
149 |
char password[16]; |
char password[16]; |
150 |
char shell[128]; |
char shell[128]; |
151 |
char directory[32]; |
char directory[32]; |
152 |
BOOL prompt_password; |
BOOL prompt_password, rdp_retval = False; |
153 |
struct passwd *pw; |
struct passwd *pw; |
154 |
uint32 flags; |
uint32 flags; |
155 |
char *p; |
char *p; |
156 |
int c; |
int c; |
157 |
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int username_option = 0; |
158 |
|
|
159 |
flags = RDP_LOGON_NORMAL; |
flags = RDP_LOGON_NORMAL; |
160 |
prompt_password = False; |
prompt_password = False; |
161 |
domain[0] = password[0] = shell[0] = directory[0] = 0; |
domain[0] = password[0] = shell[0] = directory[0] = 0; |
162 |
strcpy(keymapname, "en-us"); |
strcpy(keymapname, "en-us"); |
163 |
|
|
164 |
while ((c = getopt(argc, argv, "u:d:s:c:p:n:k:g:fbemCKT:Dh?")) != -1) |
#ifdef RDP2VNC |
165 |
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#define VNCOPT "V:E:" |
166 |
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#else |
167 |
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#define VNCOPT |
168 |
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#endif |
169 |
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|
170 |
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while ((c = getopt(argc, argv, VNCOPT "u:d:s:S:c:p:n:k:g:a:fbemCKT:Dh?54")) != -1) |
171 |
{ |
{ |
172 |
switch (c) |
switch (c) |
173 |
{ |
{ |
174 |
|
#ifdef RDP2VNC |
175 |
|
case 'V': |
176 |
|
rfb_port = strtol(optarg, NULL, 10); |
177 |
|
if (rfb_port < 100) |
178 |
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rfb_port += 5900; |
179 |
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break; |
180 |
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|
181 |
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case 'E': |
182 |
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defer_time = strtol(optarg, NULL, 10); |
183 |
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if (defer_time < 0) |
184 |
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defer_time = 0; |
185 |
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break; |
186 |
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#endif |
187 |
|
|
188 |
case 'u': |
case 'u': |
189 |
STRNCPY(username, optarg, sizeof(username)); |
STRNCPY(username, optarg, sizeof(username)); |
190 |
|
username_option = 1; |
191 |
break; |
break; |
192 |
|
|
193 |
case 'd': |
case 'd': |
198 |
STRNCPY(shell, optarg, sizeof(shell)); |
STRNCPY(shell, optarg, sizeof(shell)); |
199 |
break; |
break; |
200 |
|
|
201 |
|
case 'S': |
202 |
|
if (!strcmp(optarg, "standard")) |
203 |
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{ |
204 |
|
win_button_size = 18; |
205 |
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break; |
206 |
|
} |
207 |
|
|
208 |
|
win_button_size = strtol(optarg, &p, 10); |
209 |
|
|
210 |
|
if (*p) |
211 |
|
{ |
212 |
|
error("invalid button size\n"); |
213 |
|
return 1; |
214 |
|
} |
215 |
|
|
216 |
|
break; |
217 |
|
|
218 |
case 'c': |
case 'c': |
219 |
STRNCPY(directory, optarg, sizeof(directory)); |
STRNCPY(directory, optarg, sizeof(directory)); |
220 |
break; |
break; |
293 |
hide_decorations = True; |
hide_decorations = True; |
294 |
break; |
break; |
295 |
|
|
296 |
|
case 'a': |
297 |
|
server_bpp = strtol(optarg, NULL, 10); |
298 |
|
if (server_bpp != 8 && server_bpp != 16 && server_bpp != 15 |
299 |
|
&& server_bpp != 24) |
300 |
|
{ |
301 |
|
error("invalid server bpp\n"); |
302 |
|
return 1; |
303 |
|
} |
304 |
|
break; |
305 |
|
|
306 |
|
case '5': |
307 |
|
use_rdp5 = True; |
308 |
|
break; |
309 |
case 'h': |
case 'h': |
310 |
case '?': |
case '?': |
311 |
default: |
default: |
328 |
*p = 0; |
*p = 0; |
329 |
} |
} |
330 |
|
|
331 |
if (username[0] == 0) |
if (!username_option) |
332 |
{ |
{ |
333 |
pw = getpwuid(getuid()); |
pw = getpwuid(getuid()); |
334 |
if ((pw == NULL) || (pw->pw_name == NULL)) |
if ((pw == NULL) || (pw->pw_name == NULL)) |
364 |
strncat(title, server, sizeof(title) - sizeof("rdesktop - ")); |
strncat(title, server, sizeof(title) - sizeof("rdesktop - ")); |
365 |
} |
} |
366 |
|
|
367 |
|
#ifdef RDP2VNC |
368 |
|
rdp2vnc_connect(server, flags, domain, password, shell, directory); |
369 |
|
return 0; |
370 |
|
#else |
371 |
|
|
372 |
if (!ui_init()) |
if (!ui_init()) |
373 |
return 1; |
return 1; |
374 |
|
|
375 |
|
ipc_init(); // Must be run after ui_init, we need X to be setup. |
376 |
|
|
377 |
|
if (use_rdp5) |
378 |
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cliprdr_init(); // FIXME: Should perhaps be integrated into the channel management code? |
379 |
|
|
380 |
if (!rdp_connect(server, flags, domain, password, shell, directory)) |
if (!rdp_connect(server, flags, domain, password, shell, directory)) |
381 |
return 1; |
return 1; |
382 |
|
|
385 |
|
|
386 |
if (ui_create_window()) |
if (ui_create_window()) |
387 |
{ |
{ |
388 |
rdp_main_loop(); |
rdp_retval = rdp_main_loop(); |
389 |
ui_destroy_window(); |
ui_destroy_window(); |
390 |
} |
} |
391 |
|
|
392 |
DEBUG(("Disconnecting...\n")); |
DEBUG(("Disconnecting...\n")); |
393 |
rdp_disconnect(); |
rdp_disconnect(); |
394 |
ui_deinit(); |
ui_deinit(); |
395 |
return 0; |
|
396 |
|
if (True == rdp_retval) |
397 |
|
return 0; |
398 |
|
else |
399 |
|
return 2; |
400 |
|
|
401 |
|
#endif |
402 |
|
|
403 |
} |
} |
404 |
|
|
405 |
#ifdef EGD_SOCKET |
#ifdef EGD_SOCKET |
531 |
va_end(ap); |
va_end(ap); |
532 |
} |
} |
533 |
|
|
534 |
|
/* report a warning */ |
535 |
|
void |
536 |
|
warning(char *format, ...) |
537 |
|
{ |
538 |
|
va_list ap; |
539 |
|
|
540 |
|
fprintf(stderr, "WARNING: "); |
541 |
|
|
542 |
|
va_start(ap, format); |
543 |
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vfprintf(stderr, format, ap); |
544 |
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va_end(ap); |
545 |
|
} |
546 |
|
|
547 |
/* report an unimplemented protocol feature */ |
/* report an unimplemented protocol feature */ |
548 |
void |
void |
549 |
unimpl(char *format, ...) |
unimpl(char *format, ...) |
559 |
|
|
560 |
/* produce a hex dump */ |
/* produce a hex dump */ |
561 |
void |
void |
562 |
hexdump(unsigned char *p, unsigned int len) |
hexdump(unsigned char *p, int len) |
563 |
{ |
{ |
564 |
unsigned char *line = p; |
unsigned char *line = p; |
565 |
unsigned int thisline, offset = 0; |
int i, thisline, offset = 0; |
|
int i; |
|
566 |
|
|
567 |
while (offset < len) |
while (offset < len) |
568 |
{ |
{ |
586 |
} |
} |
587 |
} |
} |
588 |
|
|
589 |
#ifdef SAVE_LICENCE |
|
590 |
int |
int |
591 |
load_licence(unsigned char **data) |
load_licence(unsigned char **data) |
592 |
{ |
{ |
593 |
char *path; |
char *home, *path; |
|
char *home; |
|
594 |
struct stat st; |
struct stat st; |
595 |
int fd; |
int fd, length; |
596 |
|
|
597 |
home = getenv("HOME"); |
home = getenv("HOME"); |
598 |
if (home == NULL) |
if (home == NULL) |
599 |
return -1; |
return -1; |
600 |
|
|
601 |
path = xmalloc(strlen(home) + strlen(hostname) + 20); |
path = (char *) xmalloc(strlen(home) + strlen(hostname) + sizeof("/.rdesktop/licence.")); |
602 |
sprintf(path, "%s/.rdesktop/licence.%s", home, hostname); |
sprintf(path, "%s/.rdesktop/licence.%s", home, hostname); |
603 |
|
|
604 |
fd = open(path, O_RDONLY); |
fd = open(path, O_RDONLY); |
608 |
if (fstat(fd, &st)) |
if (fstat(fd, &st)) |
609 |
return -1; |
return -1; |
610 |
|
|
611 |
*data = xmalloc(st.st_size); |
*data = (uint8 *) xmalloc(st.st_size); |
612 |
return read(fd, *data, st.st_size); |
length = read(fd, *data, st.st_size); |
613 |
|
close(fd); |
614 |
|
xfree(path); |
615 |
|
return length; |
616 |
} |
} |
617 |
|
|
618 |
void |
void |
619 |
save_licence(unsigned char *data, int length) |
save_licence(unsigned char *data, int length) |
620 |
{ |
{ |
621 |
char *fpath; /* file path for licence */ |
char *home, *path, *tmppath; |
622 |
char *fname, *fnamewrk; /* file name for licence .inkl path. */ |
int fd; |
|
char *home; |
|
|
uint32 y; |
|
|
struct flock fnfl; |
|
|
int fnfd, fnwrkfd, i, wlen; |
|
|
struct stream s, *s_ptr; |
|
|
uint32 len; |
|
|
|
|
|
/* Construct a stream, so that we can use macros to extract the |
|
|
* licence. |
|
|
*/ |
|
|
s_ptr = &s; |
|
|
s_ptr->p = data; |
|
|
/* Skip first two bytes */ |
|
|
in_uint16(s_ptr, len); |
|
|
|
|
|
/* Skip three strings */ |
|
|
for (i = 0; i < 3; i++) |
|
|
{ |
|
|
in_uint32(s_ptr, len); |
|
|
s_ptr->p += len; |
|
|
/* Make sure that we won't be past the end of data after |
|
|
* reading the next length value |
|
|
*/ |
|
|
if ((s_ptr->p) + 4 > data + length) |
|
|
{ |
|
|
printf("Error in parsing licence key.\n"); |
|
|
printf("Strings %d end value %x > supplied length (%x)\n", |
|
|
i, s_ptr->p, data + length); |
|
|
return; |
|
|
} |
|
|
} |
|
|
in_uint32(s_ptr, len); |
|
|
if (s_ptr->p + len > data + length) |
|
|
{ |
|
|
printf("Error in parsing licence key.\n"); |
|
|
printf("End of licence %x > supplied length (%x)\n", s_ptr->p + len, data + length); |
|
|
return; |
|
|
} |
|
623 |
|
|
624 |
home = getenv("HOME"); |
home = getenv("HOME"); |
625 |
if (home == NULL) |
if (home == NULL) |
626 |
return; |
return; |
627 |
|
|
628 |
/* set and create the directory -- if it doesn't exist. */ |
path = (char *) xmalloc(strlen(home) + strlen(hostname) + sizeof("/.rdesktop/licence.")); |
|
fpath = xmalloc(strlen(home) + 11); |
|
|
STRNCPY(fpath, home, strlen(home) + 1); |
|
629 |
|
|
630 |
sprintf(fpath, "%s/.rdesktop", fpath); |
sprintf(path, "%s/.rdesktop", home); |
631 |
if (mkdir(fpath, 0700) == -1 && errno != EEXIST) |
if ((mkdir(path, 0700) == -1) && errno != EEXIST) |
632 |
{ |
{ |
633 |
perror("mkdir"); |
perror(path); |
634 |
exit(1); |
return; |
635 |
} |
} |
636 |
|
|
637 |
/* set the real licence filename, and put a write lock on it. */ |
/* write licence to licence.hostname.new, then atomically rename to licence.hostname */ |
|
fname = xmalloc(strlen(fpath) + strlen(hostname) + 10); |
|
|
sprintf(fname, "%s/licence.%s", fpath, hostname); |
|
|
fnfd = open(fname, O_RDONLY); |
|
|
if (fnfd != -1) |
|
|
{ |
|
|
fnfl.l_type = F_WRLCK; |
|
|
fnfl.l_whence = SEEK_SET; |
|
|
fnfl.l_start = 0; |
|
|
fnfl.l_len = 1; |
|
|
fcntl(fnfd, F_SETLK, &fnfl); |
|
|
} |
|
|
|
|
|
/* create a temporary licence file */ |
|
|
fnamewrk = xmalloc(strlen(fname) + 12); |
|
|
for (y = 0;; y++) |
|
|
{ |
|
|
sprintf(fnamewrk, "%s.%lu", fname, y); |
|
|
fnwrkfd = open(fnamewrk, O_WRONLY | O_CREAT | O_EXCL, 0600); |
|
|
if (fnwrkfd == -1) |
|
|
{ |
|
|
if (errno == EINTR || errno == EEXIST) |
|
|
continue; |
|
|
perror("create"); |
|
|
exit(1); |
|
|
} |
|
|
break; |
|
|
} |
|
|
/* write to the licence file */ |
|
|
for (y = 0; y < len;) |
|
|
{ |
|
|
do |
|
|
{ |
|
|
wlen = write(fnwrkfd, s_ptr->p + y, len - y); |
|
|
} |
|
|
while (wlen == -1 && errno == EINTR); |
|
|
if (wlen < 1) |
|
|
{ |
|
|
perror("write"); |
|
|
unlink(fnamewrk); |
|
|
exit(1); |
|
|
} |
|
|
y += wlen; |
|
|
} |
|
638 |
|
|
639 |
/* close the file and rename it to fname */ |
sprintf(path, "%s/.rdesktop/licence.%s", home, hostname); |
640 |
if (close(fnwrkfd) == -1) |
tmppath = (char *) xmalloc(strlen(path) + sizeof(".new")); |
641 |
|
strcpy(tmppath, path); |
642 |
|
strcat(tmppath, ".new"); |
643 |
|
|
644 |
|
fd = open(tmppath, O_WRONLY | O_CREAT | O_TRUNC, 0600); |
645 |
|
if (fd == -1) |
646 |
{ |
{ |
647 |
perror("close"); |
perror(tmppath); |
648 |
unlink(fnamewrk); |
return; |
|
exit(1); |
|
649 |
} |
} |
650 |
if (rename(fnamewrk, fname) == -1) |
|
651 |
|
if (write(fd, data, length) != length) |
652 |
{ |
{ |
653 |
perror("rename"); |
perror(tmppath); |
654 |
unlink(fnamewrk); |
unlink(tmppath); |
|
exit(1); |
|
655 |
} |
} |
656 |
/* close the file lock on fname */ |
else if (rename(tmppath, path) == -1) |
|
if (fnfd != -1) |
|
657 |
{ |
{ |
658 |
fnfl.l_type = F_UNLCK; |
perror(path); |
659 |
fnfl.l_whence = SEEK_SET; |
unlink(tmppath); |
|
fnfl.l_start = 0; |
|
|
fnfl.l_len = 1; |
|
|
fcntl(fnfd, F_SETLK, &fnfl); |
|
|
close(fnfd); |
|
660 |
} |
} |
661 |
|
|
662 |
|
close(fd); |
663 |
|
xfree(tmppath); |
664 |
|
xfree(path); |
665 |
} |
} |
|
#endif |
|