1 |
/* |
/* |
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 1999-2000 |
Copyright (C) Matthew Chapman 1999-2001 |
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 |
8 |
the Free Software Foundation; either version 2 of the License, or |
the Free Software Foundation; either version 2 of the License, or |
9 |
(at your option) any later version. |
(at your option) any later version. |
10 |
|
|
11 |
This program is distributed in the hope that it will be useful, |
This program is distributed in the hope that it will be useful, |
12 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
GNU General Public License for more details. |
GNU General Public License for more details. |
15 |
|
|
16 |
You should have received a copy of the GNU General Public License |
You should have received a copy of the GNU General Public License |
17 |
along with this program; if not, write to the Free Software |
along with this program; if not, write to the Free Software |
18 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
19 |
*/ |
*/ |
20 |
|
|
21 |
#include <stdlib.h> /* malloc realloc free */ |
#include <stdlib.h> /* malloc realloc free */ |
22 |
|
#include <stdarg.h> /* va_list va_start va_end */ |
23 |
#include <unistd.h> /* read close getuid getgid getpid getppid gethostname */ |
#include <unistd.h> /* read close getuid getgid getpid getppid gethostname */ |
24 |
#include <fcntl.h> /* open */ |
#include <fcntl.h> /* open */ |
25 |
#include <pwd.h> /* getpwuid */ |
#include <pwd.h> /* getpwuid */ |
26 |
|
#include <limits.h> /* PATH_MAX */ |
27 |
#include <sys/stat.h> /* stat */ |
#include <sys/stat.h> /* stat */ |
28 |
#include <sys/time.h> /* gettimeofday */ |
#include <sys/time.h> /* gettimeofday */ |
29 |
#include <sys/times.h> /* times */ |
#include <sys/times.h> /* times */ |
30 |
#include "rdesktop.h" |
#include "rdesktop.h" |
31 |
|
|
32 |
|
char title[32]; |
33 |
char username[16]; |
char username[16]; |
34 |
char hostname[16]; |
char hostname[16]; |
35 |
int width = 800; |
char keymapname[16]; |
36 |
int height = 600; |
int keylayout = 0x409; /* Defaults to US keyboard layout */ |
37 |
int keylayout = 0x409; |
int width; |
38 |
BOOL motion = True; |
int height; |
39 |
|
int tcp_port_rdp = TCP_PORT_RDP; |
40 |
|
BOOL bitmap_compression = True; |
41 |
|
BOOL sendmotion = True; |
42 |
BOOL orders = True; |
BOOL orders = True; |
43 |
BOOL licence = True; |
BOOL licence = True; |
44 |
|
BOOL encryption = True; |
45 |
|
BOOL desktop_save = True; |
46 |
|
BOOL fullscreen = False; |
47 |
|
BOOL grab_keyboard = True; |
48 |
|
|
49 |
/* Display usage information */ |
/* Display usage information */ |
50 |
static void |
static void |
51 |
usage(char *program) |
usage(char *program) |
52 |
{ |
{ |
53 |
STATUS("Usage: %s [options] server\n", program); |
printf("Usage: %s [options] server\n", program); |
54 |
STATUS(" -u: user name\n"); |
printf(" -u: user name\n"); |
55 |
STATUS(" -d: domain\n"); |
printf(" -d: domain\n"); |
56 |
STATUS(" -s: shell\n"); |
printf(" -s: shell\n"); |
57 |
STATUS(" -c: working directory\n"); |
printf(" -c: working directory\n"); |
58 |
STATUS(" -p: password (autologon)\n"); |
printf(" -p: password (autologon)\n"); |
59 |
STATUS(" -n: client hostname\n"); |
printf(" -P: askpass-program (autologon)\n"); |
60 |
STATUS(" -w: desktop width\n"); |
printf(" -n: client hostname\n"); |
61 |
STATUS(" -h: desktop height\n"); |
printf(" -k: keyboard layout on terminal server (us,sv,gr etc.)\n"); |
62 |
STATUS(" -k: keyboard layout (hex)\n"); |
printf(" -g: desktop geometry (WxH)\n"); |
63 |
STATUS(" -b: force bitmap updates\n"); |
printf(" -f: full-screen mode\n"); |
64 |
STATUS(" -m: do not send motion events\n"); |
printf(" -b: force bitmap updates\n"); |
65 |
STATUS(" -l: do not request licence\n\n"); |
printf(" -e: disable encryption (French TS)\n"); |
66 |
|
printf(" -m: do not send motion events\n"); |
67 |
|
printf(" -l: do not request licence\n"); |
68 |
|
printf(" -t: rdp tcp port\n"); |
69 |
|
printf(" -K: keep window manager key bindings\n"); |
70 |
} |
} |
71 |
|
|
72 |
/* Client program */ |
/* Client program */ |
73 |
int |
int |
74 |
main(int argc, char *argv[]) |
main(int argc, char *argv[]) |
75 |
{ |
{ |
76 |
struct passwd *pw; |
char fullhostname[64]; |
|
char *server; |
|
|
uint32 flags; |
|
77 |
char domain[16]; |
char domain[16]; |
78 |
char password[16]; |
char password[16]; |
79 |
|
char *askpass_result; |
80 |
char shell[32]; |
char shell[32]; |
81 |
char directory[32]; |
char directory[32]; |
82 |
char title[32]; |
struct passwd *pw; |
83 |
|
char *server, *p; |
84 |
|
uint32 flags; |
85 |
int c; |
int c; |
86 |
|
|
87 |
STATUS("rdesktop: A Remote Desktop Protocol client.\n"); |
printf("rdesktop: A Remote Desktop Protocol client.\n"); |
88 |
STATUS("Version " VERSION |
printf("Version " VERSION ". Copyright (C) 1999-2001 Matt Chapman.\n"); |
89 |
". Copyright (C) 1999-2000 Matt Chapman.\n"); |
printf("See http://www.rdesktop.org/ for more information.\n\n"); |
|
STATUS("See http://www.rdesktop.org/ for more information.\n\n"); |
|
90 |
|
|
91 |
flags = RDP_LOGON_NORMAL; |
flags = RDP_LOGON_NORMAL; |
92 |
domain[0] = password[0] = shell[0] = directory[0] = 0; |
domain[0] = password[0] = shell[0] = directory[0] = 0; |
93 |
|
strcpy(keymapname, "us"); |
94 |
|
|
95 |
while ((c = getopt(argc, argv, "u:d:s:c:p:n:w:h:k:bml?")) != -1) |
while ((c = getopt(argc, argv, "u:d:s:c:p:P:n:k:g:t:fbemlKh?")) != -1) |
96 |
{ |
{ |
97 |
switch (c) |
switch (c) |
98 |
{ |
{ |
99 |
case 'u': |
case 'u': |
100 |
strncpy(username, optarg, sizeof(username)); |
STRNCPY(username, optarg, sizeof(username)); |
101 |
break; |
break; |
102 |
|
|
103 |
case 'd': |
case 'd': |
104 |
strncpy(domain, optarg, sizeof(domain)); |
STRNCPY(domain, optarg, sizeof(domain)); |
|
break; |
|
|
|
|
|
case 'p': |
|
|
flags |= RDP_LOGON_AUTO; |
|
|
strncpy(password, optarg, sizeof(password)); |
|
105 |
break; |
break; |
106 |
|
|
107 |
case 's': |
case 's': |
108 |
strncpy(shell, optarg, sizeof(shell)); |
STRNCPY(shell, optarg, sizeof(shell)); |
109 |
break; |
break; |
110 |
|
|
111 |
case 'c': |
case 'c': |
112 |
strncpy(directory, optarg, sizeof(directory)); |
STRNCPY(directory, optarg, sizeof(directory)); |
113 |
break; |
break; |
114 |
|
|
115 |
case 'n': |
case 'p': |
116 |
strncpy(hostname, optarg, sizeof(hostname)); |
STRNCPY(password, optarg, sizeof(password)); |
117 |
|
flags |= RDP_LOGON_AUTO; |
118 |
break; |
break; |
119 |
|
|
120 |
case 'w': |
case 'P': |
121 |
width = strtol(optarg, NULL, 10); |
askpass_result = askpass(optarg, "Enter password"); |
122 |
|
if (askpass_result == NULL) |
123 |
|
exit(1); |
124 |
|
|
125 |
|
STRNCPY(password, askpass_result, sizeof(password)); |
126 |
|
free(askpass_result); |
127 |
|
flags |= RDP_LOGON_AUTO; |
128 |
break; |
break; |
129 |
|
|
130 |
case 'h': |
case 'n': |
131 |
height = strtol(optarg, NULL, 10); |
STRNCPY(hostname, optarg, sizeof(hostname)); |
132 |
break; |
break; |
133 |
|
|
134 |
case 'k': |
case 'k': |
135 |
keylayout = strtol(optarg, NULL, 16); |
STRNCPY(keymapname, optarg, sizeof(keymapname)); |
136 |
break; |
break; |
137 |
|
|
138 |
case 'm': |
case 'g': |
139 |
motion = False; |
width = strtol(optarg, &p, 10); |
140 |
|
if (*p == 'x') |
141 |
|
height = strtol(p + 1, NULL, 10); |
142 |
|
|
143 |
|
if ((width == 0) || (height == 0)) |
144 |
|
{ |
145 |
|
error("invalid geometry\n"); |
146 |
|
return 1; |
147 |
|
} |
148 |
|
break; |
149 |
|
|
150 |
|
case 'f': |
151 |
|
fullscreen = True; |
152 |
break; |
break; |
153 |
|
|
154 |
case 'b': |
case 'b': |
155 |
orders = False; |
orders = False; |
156 |
break; |
break; |
157 |
|
|
158 |
|
case 'e': |
159 |
|
encryption = False; |
160 |
|
break; |
161 |
|
|
162 |
|
case 'm': |
163 |
|
sendmotion = False; |
164 |
|
break; |
165 |
|
|
166 |
case 'l': |
case 'l': |
167 |
licence = False; |
licence = False; |
168 |
break; |
break; |
169 |
|
|
170 |
|
case 't': |
171 |
|
tcp_port_rdp = strtol(optarg, NULL, 10); |
172 |
|
break; |
173 |
|
|
174 |
|
case 'K': |
175 |
|
grab_keyboard = False; |
176 |
|
break; |
177 |
|
|
178 |
|
case 'h': |
179 |
case '?': |
case '?': |
180 |
default: |
default: |
181 |
usage(argv[0]); |
usage(argv[0]); |
196 |
pw = getpwuid(getuid()); |
pw = getpwuid(getuid()); |
197 |
if ((pw == NULL) || (pw->pw_name == NULL)) |
if ((pw == NULL) || (pw->pw_name == NULL)) |
198 |
{ |
{ |
199 |
STATUS("Could not determine user name.\n"); |
error("could not determine username, use -u\n"); |
200 |
return 1; |
return 1; |
201 |
} |
} |
202 |
|
|
203 |
strncpy(username, pw->pw_name, sizeof(username)); |
STRNCPY(username, pw->pw_name, sizeof(username)); |
204 |
} |
} |
205 |
|
|
206 |
if (hostname[0] == 0) |
if (hostname[0] == 0) |
207 |
{ |
{ |
208 |
if (gethostname(hostname, sizeof(hostname)) == -1) |
if (gethostname(fullhostname, sizeof(fullhostname)) == -1) |
209 |
{ |
{ |
210 |
STATUS("Could not determine host name.\n"); |
error("could not determine local hostname, use -n\n"); |
211 |
return 1; |
return 1; |
212 |
} |
} |
213 |
|
|
214 |
|
p = strchr(fullhostname, '.'); |
215 |
|
if (p != NULL) |
216 |
|
*p = 0; |
217 |
|
|
218 |
|
STRNCPY(hostname, fullhostname, sizeof(hostname)); |
219 |
} |
} |
220 |
|
|
221 |
if (!rdp_connect(server, flags, domain, password, shell, directory)) |
if (!strcmp(password, "-")) |
222 |
return 1; |
{ |
223 |
|
p = getpass("Password: "); |
224 |
|
if (p == NULL) |
225 |
|
{ |
226 |
|
error("failed to read password\n"); |
227 |
|
return 0; |
228 |
|
} |
229 |
|
STRNCPY(password, p, sizeof(password)); |
230 |
|
} |
231 |
|
|
232 |
STATUS("Connection successful.\n"); |
if ((width == 0) || (height == 0)) |
233 |
|
{ |
234 |
|
width = 800; |
235 |
|
height = 600; |
236 |
|
} |
237 |
|
else |
238 |
|
{ |
239 |
|
/* make sure width is a multiple of 4 */ |
240 |
|
width = (width + 3) & ~3; |
241 |
|
} |
242 |
|
|
243 |
strcpy(title, "rdesktop - "); |
strcpy(title, "rdesktop - "); |
244 |
strncat(title, server, sizeof(title)); |
strncat(title, server, sizeof(title) - sizeof("rdesktop - ")); |
245 |
|
|
246 |
|
xkeymap_init1(); |
247 |
|
if (!ui_init()) |
248 |
|
return 1; |
249 |
|
|
250 |
|
if (!rdp_connect(server, flags, domain, password, shell, directory)) |
251 |
|
return 1; |
252 |
|
|
253 |
if (ui_create_window(title)) |
printf("Connection successful.\n"); |
254 |
|
|
255 |
|
if (ui_create_window()) |
256 |
{ |
{ |
257 |
rdp_main_loop(); |
rdp_main_loop(); |
258 |
ui_destroy_window(); |
ui_destroy_window(); |
259 |
} |
} |
260 |
|
|
261 |
|
printf("Disconnecting...\n"); |
262 |
rdp_disconnect(); |
rdp_disconnect(); |
263 |
return 0; |
return 0; |
264 |
} |
} |
265 |
|
|
266 |
/* Generate a 32-byte random for the secure transport code. */ |
/* Generate a 32-byte random for the secure transport code. */ |
267 |
void |
void |
268 |
generate_random(uint8 *random) |
generate_random(uint8 * random) |
269 |
{ |
{ |
270 |
struct stat st; |
struct stat st; |
271 |
struct tms tmsbuf; |
struct tms tmsbuf; |
273 |
int fd; |
int fd; |
274 |
|
|
275 |
/* If we have a kernel random device, use it. */ |
/* If we have a kernel random device, use it. */ |
276 |
if ((fd = open("/dev/urandom", O_RDONLY)) != -1) |
if (((fd = open("/dev/urandom", O_RDONLY)) != -1) |
277 |
|
|| ((fd = open("/dev/random", O_RDONLY)) != -1)) |
278 |
{ |
{ |
279 |
read(fd, random, 32); |
read(fd, random, 32); |
280 |
close(fd); |
close(fd); |
299 |
void *mem = malloc(size); |
void *mem = malloc(size); |
300 |
if (mem == NULL) |
if (mem == NULL) |
301 |
{ |
{ |
302 |
ERROR("xmalloc %d\n", size); |
error("xmalloc %d\n", size); |
303 |
exit(1); |
exit(1); |
304 |
} |
} |
305 |
return mem; |
return mem; |
312 |
void *mem = realloc(oldmem, size); |
void *mem = realloc(oldmem, size); |
313 |
if (mem == NULL) |
if (mem == NULL) |
314 |
{ |
{ |
315 |
ERROR("xrealloc %d\n", size); |
error("xrealloc %d\n", size); |
316 |
exit(1); |
exit(1); |
317 |
} |
} |
318 |
return mem; |
return mem; |
325 |
free(mem); |
free(mem); |
326 |
} |
} |
327 |
|
|
328 |
/* Produce a hex dump */ |
/* report an error */ |
329 |
|
void |
330 |
|
error(char *format, ...) |
331 |
|
{ |
332 |
|
va_list ap; |
333 |
|
|
334 |
|
fprintf(stderr, "ERROR: "); |
335 |
|
|
336 |
|
va_start(ap, format); |
337 |
|
vfprintf(stderr, format, ap); |
338 |
|
va_end(ap); |
339 |
|
} |
340 |
|
|
341 |
|
/* report an unimplemented protocol feature */ |
342 |
|
void |
343 |
|
unimpl(char *format, ...) |
344 |
|
{ |
345 |
|
va_list ap; |
346 |
|
|
347 |
|
fprintf(stderr, "NOT IMPLEMENTED: "); |
348 |
|
|
349 |
|
va_start(ap, format); |
350 |
|
vfprintf(stderr, format, ap); |
351 |
|
va_end(ap); |
352 |
|
} |
353 |
|
|
354 |
|
/* produce a hex dump */ |
355 |
void |
void |
356 |
hexdump(unsigned char *p, unsigned int len) |
hexdump(unsigned char *p, unsigned int len) |
357 |
{ |
{ |
361 |
|
|
362 |
while (offset < len) |
while (offset < len) |
363 |
{ |
{ |
364 |
STATUS("%04x ", offset); |
printf("%04x ", offset); |
365 |
thisline = len - offset; |
thisline = len - offset; |
366 |
if (thisline > 16) |
if (thisline > 16) |
367 |
thisline = 16; |
thisline = 16; |
368 |
|
|
369 |
for (i = 0; i < thisline; i++) |
for (i = 0; i < thisline; i++) |
370 |
STATUS("%02x ", line[i]) for (; i < 16; i++) |
printf("%02x ", line[i]); |
371 |
STATUS(" "); |
|
372 |
|
for (; i < 16; i++) |
373 |
|
printf(" "); |
374 |
|
|
375 |
for (i = 0; i < thisline; i++) |
for (i = 0; i < thisline; i++) |
376 |
STATUS("%c", |
printf("%c", (line[i] >= 0x20 && line[i] < 0x7f) ? line[i] : '.'); |
|
(line[i] >= 0x20 |
|
|
&& line[i] < 0x7f) ? line[i] : '.'); |
|
377 |
|
|
378 |
STATUS("\n"); |
printf("\n"); |
379 |
offset += thisline; |
offset += thisline; |
380 |
line += thisline; |
line += thisline; |
381 |
} |
} |
382 |
} |
} |
383 |
|
|
384 |
|
int |
385 |
|
load_licence(unsigned char **data) |
386 |
|
{ |
387 |
|
char path[PATH_MAX]; |
388 |
|
char *home; |
389 |
|
struct stat st; |
390 |
|
int fd; |
391 |
|
|
392 |
|
home = getenv("HOME"); |
393 |
|
if (home == NULL) |
394 |
|
return -1; |
395 |
|
|
396 |
|
STRNCPY(path, home, sizeof(path)); |
397 |
|
strncat(path, "/.rdesktop/licence", sizeof(path) - strlen(path) - 1); |
398 |
|
|
399 |
|
fd = open(path, O_RDONLY); |
400 |
|
if (fd == -1) |
401 |
|
return -1; |
402 |
|
|
403 |
|
if (fstat(fd, &st)) |
404 |
|
return -1; |
405 |
|
|
406 |
|
*data = xmalloc(st.st_size); |
407 |
|
return read(fd, *data, st.st_size); |
408 |
|
} |
409 |
|
|
410 |
|
void |
411 |
|
save_licence(unsigned char *data, int length) |
412 |
|
{ |
413 |
|
char path[PATH_MAX]; |
414 |
|
char *home; |
415 |
|
int fd; |
416 |
|
|
417 |
|
home = getenv("HOME"); |
418 |
|
if (home == NULL) |
419 |
|
return; |
420 |
|
|
421 |
|
STRNCPY(path, home, sizeof(path)); |
422 |
|
strncat(path, "/.rdesktop", sizeof(path) - strlen(path) - 1); |
423 |
|
mkdir(path, 0700); |
424 |
|
|
425 |
|
strncat(path, "/licence", sizeof(path) - strlen(path) - 1); |
426 |
|
|
427 |
|
fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0600); |
428 |
|
if (fd == -1) |
429 |
|
{ |
430 |
|
perror("open"); |
431 |
|
return; |
432 |
|
} |
433 |
|
|
434 |
|
write(fd, data, length); |
435 |
|
close(fd); |
436 |
|
} |