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 1999-2002 |
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 <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 */ |
24 |
#include <getopt.h> /* getopt */ |
#include <pwd.h> /* getpwuid */ |
25 |
#include <pwd.h> /* getpwuid */ |
#include <limits.h> /* PATH_MAX */ |
26 |
#include <sys/stat.h> /* stat */ |
#include <termios.h> /* tcgetattr tcsetattr */ |
27 |
#include <sys/time.h> /* gettimeofday */ |
#include <sys/stat.h> /* stat */ |
28 |
#include <sys/times.h> /* times */ |
#include <sys/time.h> /* gettimeofday */ |
29 |
|
#include <sys/times.h> /* times */ |
30 |
#include "rdesktop.h" |
#include "rdesktop.h" |
31 |
|
|
32 |
|
#ifdef EGD_SOCKET |
33 |
|
#include <sys/socket.h> /* socket connect */ |
34 |
|
#include <sys/un.h> /* sockaddr_un */ |
35 |
|
#endif |
36 |
|
|
37 |
|
#ifdef WITH_OPENSSL |
38 |
|
#include <openssl/md5.h> |
39 |
|
#else |
40 |
|
#include "crypto/md5.h" |
41 |
|
#endif |
42 |
|
|
43 |
|
char title[32] = ""; |
44 |
char username[16]; |
char username[16]; |
45 |
char hostname[16]; |
char hostname[16]; |
46 |
|
char keymapname[16]; |
47 |
|
int keylayout = 0x409; /* Defaults to US keyboard layout */ |
48 |
int width = 800; |
int width = 800; |
49 |
int height = 600; |
int height = 600; |
50 |
int keylayout = 0x409; |
int tcp_port_rdp = TCP_PORT_RDP; |
51 |
BOOL motion = False; |
BOOL bitmap_compression = True; |
52 |
|
BOOL sendmotion = True; |
53 |
BOOL orders = True; |
BOOL orders = True; |
54 |
BOOL licence = True; |
BOOL encryption = True; |
55 |
|
BOOL desktop_save = True; |
56 |
|
BOOL fullscreen = False; |
57 |
|
BOOL grab_keyboard = True; |
58 |
|
BOOL hide_decorations = False; |
59 |
|
|
60 |
/* Display usage information */ |
/* Display usage information */ |
61 |
static void usage(char *program) |
static void |
62 |
|
usage(char *program) |
63 |
{ |
{ |
64 |
STATUS("Usage: %s [options] server\n", program); |
fprintf(stderr, "rdesktop: A Remote Desktop Protocol client.\n"); |
65 |
STATUS(" -u: user name\n"); |
fprintf(stderr, "Version " VERSION ". Copyright (C) 1999-2002 Matt Chapman.\n"); |
66 |
STATUS(" -n: client hostname\n"); |
fprintf(stderr, "See http://www.rdesktop.org/ for more information.\n\n"); |
67 |
STATUS(" -w: desktop width\n"); |
|
68 |
STATUS(" -h: desktop height\n"); |
fprintf(stderr, "Usage: %s [options] server[:port]\n", program); |
69 |
STATUS(" -k: keyboard layout (hex)\n"); |
fprintf(stderr, " -u: user name\n"); |
70 |
STATUS(" -m: send motion events\n"); |
fprintf(stderr, " -d: domain\n"); |
71 |
STATUS(" -b: force bitmap updates\n"); |
fprintf(stderr, " -s: shell\n"); |
72 |
STATUS(" -l: do not request licence\n\n"); |
fprintf(stderr, " -c: working directory\n"); |
73 |
|
fprintf(stderr, " -p: password (- to prompt)\n"); |
74 |
|
fprintf(stderr, " -n: client hostname\n"); |
75 |
|
fprintf(stderr, " -k: keyboard layout on terminal server (us,sv,gr,etc.)\n"); |
76 |
|
fprintf(stderr, " -g: desktop geometry (WxH)\n"); |
77 |
|
fprintf(stderr, " -f: full-screen mode\n"); |
78 |
|
fprintf(stderr, " -b: force bitmap updates\n"); |
79 |
|
fprintf(stderr, " -e: disable encryption (French TS)\n"); |
80 |
|
fprintf(stderr, " -m: do not send motion events\n"); |
81 |
|
fprintf(stderr, " -K: keep window manager key bindings\n"); |
82 |
|
fprintf(stderr, " -T: window title\n"); |
83 |
|
fprintf(stderr, " -D: hide window manager decorations\n"); |
84 |
|
} |
85 |
|
|
86 |
|
static BOOL |
87 |
|
read_password(char *password, int size) |
88 |
|
{ |
89 |
|
struct termios tios; |
90 |
|
BOOL ret = False; |
91 |
|
int istty = 0; |
92 |
|
char *p; |
93 |
|
|
94 |
|
if (tcgetattr(STDIN_FILENO, &tios) == 0) |
95 |
|
{ |
96 |
|
fprintf(stderr, "Password: "); |
97 |
|
tios.c_lflag &= ~ECHO; |
98 |
|
tcsetattr(STDIN_FILENO, TCSANOW, &tios); |
99 |
|
istty = 1; |
100 |
|
} |
101 |
|
|
102 |
|
if (fgets(password, size, stdin) != NULL) |
103 |
|
{ |
104 |
|
ret = True; |
105 |
|
|
106 |
|
/* strip final newline */ |
107 |
|
p = strchr(password, '\n'); |
108 |
|
if (p != NULL) |
109 |
|
*p = 0; |
110 |
|
} |
111 |
|
|
112 |
|
if (istty) |
113 |
|
{ |
114 |
|
tios.c_lflag |= ECHO; |
115 |
|
tcsetattr(STDIN_FILENO, TCSANOW, &tios); |
116 |
|
fprintf(stderr, "\n"); |
117 |
|
} |
118 |
|
|
119 |
|
return ret; |
120 |
} |
} |
121 |
|
|
122 |
/* Client program */ |
/* Client program */ |
123 |
int main(int argc, char *argv[]) |
int |
124 |
|
main(int argc, char *argv[]) |
125 |
{ |
{ |
126 |
|
char server[64]; |
127 |
|
char fullhostname[64]; |
128 |
|
char domain[16]; |
129 |
|
char password[16]; |
130 |
|
char shell[128]; |
131 |
|
char directory[32]; |
132 |
|
BOOL prompt_password; |
133 |
struct passwd *pw; |
struct passwd *pw; |
134 |
char *server; |
uint32 flags; |
135 |
char title[32]; |
char *p; |
136 |
int c; |
int c; |
137 |
|
|
138 |
STATUS("rdesktop: A Remote Desktop Protocol client.\n"); |
flags = RDP_LOGON_NORMAL; |
139 |
STATUS("Version "VERSION". Copyright (C) 1999-2000 Matt Chapman.\n\n"); |
prompt_password = False; |
140 |
|
domain[0] = password[0] = shell[0] = directory[0] = 0; |
141 |
|
strcpy(keymapname, "en-us"); |
142 |
|
|
143 |
while ((c = getopt(argc, argv, "u:n:w:h:k:mbl?")) != -1) |
while ((c = getopt(argc, argv, "u:d:s:c:p:n:k:g:fbemKT:Dh?")) != -1) |
144 |
{ |
{ |
145 |
switch (c) |
switch (c) |
146 |
{ |
{ |
147 |
case 'u': |
case 'u': |
148 |
strncpy(username, optarg, sizeof(username)); |
STRNCPY(username, optarg, sizeof(username)); |
149 |
break; |
break; |
150 |
|
|
151 |
case 'n': |
case 'd': |
152 |
strncpy(hostname, optarg, sizeof(hostname)); |
STRNCPY(domain, optarg, sizeof(domain)); |
153 |
break; |
break; |
154 |
|
|
155 |
case 'w': |
case 's': |
156 |
width = strtol(optarg, NULL, 10); |
STRNCPY(shell, optarg, sizeof(shell)); |
157 |
break; |
break; |
158 |
|
|
159 |
case 'h': |
case 'c': |
160 |
height = strtol(optarg, NULL, 10); |
STRNCPY(directory, optarg, sizeof(directory)); |
161 |
|
break; |
162 |
|
|
163 |
|
case 'p': |
164 |
|
if ((optarg[0] == '-') && (optarg[1] == 0)) |
165 |
|
{ |
166 |
|
prompt_password = True; |
167 |
|
break; |
168 |
|
} |
169 |
|
|
170 |
|
STRNCPY(password, optarg, sizeof(password)); |
171 |
|
flags |= RDP_LOGON_AUTO; |
172 |
|
|
173 |
|
/* try to overwrite argument so it won't appear in ps */ |
174 |
|
p = optarg; |
175 |
|
while (*p) |
176 |
|
*(p++) = 'X'; |
177 |
|
break; |
178 |
|
|
179 |
|
case 'n': |
180 |
|
STRNCPY(hostname, optarg, sizeof(hostname)); |
181 |
break; |
break; |
182 |
|
|
183 |
case 'k': |
case 'k': |
184 |
keylayout = strtol(optarg, NULL, 16); |
STRNCPY(keymapname, optarg, sizeof(keymapname)); |
185 |
break; |
break; |
186 |
|
|
187 |
case 'm': |
case 'g': |
188 |
motion = True; |
width = strtol(optarg, &p, 10); |
189 |
|
if (*p == 'x') |
190 |
|
height = strtol(p + 1, NULL, 10); |
191 |
|
|
192 |
|
if ((width == 0) || (height == 0)) |
193 |
|
{ |
194 |
|
error("invalid geometry\n"); |
195 |
|
return 1; |
196 |
|
} |
197 |
|
break; |
198 |
|
|
199 |
|
case 'f': |
200 |
|
fullscreen = True; |
201 |
break; |
break; |
202 |
|
|
203 |
case 'b': |
case 'b': |
204 |
orders = False; |
orders = False; |
205 |
break; |
break; |
206 |
|
|
207 |
case 'l': |
case 'e': |
208 |
licence = False; |
encryption = False; |
209 |
|
break; |
210 |
|
|
211 |
|
case 'm': |
212 |
|
sendmotion = False; |
213 |
|
break; |
214 |
|
|
215 |
|
case 'K': |
216 |
|
grab_keyboard = False; |
217 |
|
break; |
218 |
|
|
219 |
|
case 'T': |
220 |
|
STRNCPY(title, optarg, sizeof(title)); |
221 |
|
break; |
222 |
|
|
223 |
|
case 'D': |
224 |
|
hide_decorations = True; |
225 |
break; |
break; |
226 |
|
|
227 |
|
case 'h': |
228 |
case '?': |
case '?': |
229 |
default: |
default: |
230 |
usage(argv[0]); |
usage(argv[0]); |
238 |
return 1; |
return 1; |
239 |
} |
} |
240 |
|
|
241 |
server = argv[optind]; |
STRNCPY(server, argv[optind], sizeof(server)); |
242 |
|
p = strchr(server, ':'); |
243 |
|
if (p != NULL) |
244 |
|
{ |
245 |
|
tcp_port_rdp = strtol(p + 1, NULL, 10); |
246 |
|
*p = 0; |
247 |
|
} |
248 |
|
|
249 |
if (username[0] == 0) |
if (username[0] == 0) |
250 |
{ |
{ |
251 |
pw = getpwuid(getuid()); |
pw = getpwuid(getuid()); |
252 |
if ((pw == NULL) || (pw->pw_name == NULL)) |
if ((pw == NULL) || (pw->pw_name == NULL)) |
253 |
{ |
{ |
254 |
STATUS("Could not determine user name.\n"); |
error("could not determine username, use -u\n"); |
255 |
return 1; |
return 1; |
256 |
} |
} |
257 |
|
|
258 |
strncpy(username, pw->pw_name, sizeof(username)); |
STRNCPY(username, pw->pw_name, sizeof(username)); |
259 |
} |
} |
260 |
|
|
261 |
if (hostname[0] == 0) |
if (hostname[0] == 0) |
262 |
{ |
{ |
263 |
if (gethostname(hostname, sizeof(hostname)) == -1) |
if (gethostname(fullhostname, sizeof(fullhostname)) == -1) |
264 |
{ |
{ |
265 |
STATUS("Could not determine host name.\n"); |
error("could not determine local hostname, use -n\n"); |
266 |
return 1; |
return 1; |
267 |
} |
} |
268 |
|
|
269 |
|
p = strchr(fullhostname, '.'); |
270 |
|
if (p != NULL) |
271 |
|
*p = 0; |
272 |
|
|
273 |
|
STRNCPY(hostname, fullhostname, sizeof(hostname)); |
274 |
|
} |
275 |
|
|
276 |
|
if (prompt_password && read_password(password, sizeof(password))) |
277 |
|
flags |= RDP_LOGON_AUTO; |
278 |
|
|
279 |
|
if (title[0] == 0) |
280 |
|
{ |
281 |
|
strcpy(title, "rdesktop - "); |
282 |
|
strncat(title, server, sizeof(title) - sizeof("rdesktop - ")); |
283 |
} |
} |
284 |
|
|
285 |
if (!rdp_connect(server)) |
if (!ui_init()) |
286 |
|
return 1; |
287 |
|
|
288 |
|
if (!rdp_connect(server, flags, domain, password, shell, directory)) |
289 |
return 1; |
return 1; |
290 |
|
|
291 |
STATUS("Connection successful.\n"); |
DEBUG(("Connection successful.\n")); |
292 |
|
memset(password, 0, sizeof(password)); |
293 |
|
|
294 |
snprintf(title, sizeof(title), "rdesktop - %s", server); |
if (ui_create_window()) |
|
if (ui_create_window(title)) |
|
295 |
{ |
{ |
296 |
rdp_main_loop(); |
rdp_main_loop(); |
297 |
ui_destroy_window(); |
ui_destroy_window(); |
298 |
} |
} |
299 |
|
|
300 |
|
DEBUG(("Disconnecting...\n")); |
301 |
rdp_disconnect(); |
rdp_disconnect(); |
302 |
|
ui_deinit(); |
303 |
return 0; |
return 0; |
304 |
} |
} |
305 |
|
|
306 |
/* Generate a 32-byte random for the secure transport code. */ |
#ifdef EGD_SOCKET |
307 |
void generate_random(uint8 *random) |
/* Read 32 random bytes from PRNGD or EGD socket (based on OpenSSL RAND_egd) */ |
308 |
|
static BOOL |
309 |
|
generate_random_egd(uint8 * buf) |
310 |
{ |
{ |
311 |
struct stat st; |
struct sockaddr_un addr; |
312 |
uint32 *r = (uint32 *)random; |
BOOL ret = False; |
313 |
int fd; |
int fd; |
314 |
|
|
315 |
/* If we have a kernel random device, use it. */ |
fd = socket(AF_UNIX, SOCK_STREAM, 0); |
316 |
if ((fd = open("/dev/urandom", O_RDONLY)) != -1) |
if (fd == -1) |
317 |
|
return False; |
318 |
|
|
319 |
|
addr.sun_family = AF_UNIX; |
320 |
|
memcpy(addr.sun_path, EGD_SOCKET, sizeof(EGD_SOCKET)); |
321 |
|
if (connect(fd, (struct sockaddr *) &addr, sizeof(addr)) == -1) |
322 |
|
goto err; |
323 |
|
|
324 |
|
/* PRNGD and EGD use a simple communications protocol */ |
325 |
|
buf[0] = 1; /* Non-blocking (similar to /dev/urandom) */ |
326 |
|
buf[1] = 32; /* Number of requested random bytes */ |
327 |
|
if (write(fd, buf, 2) != 2) |
328 |
|
goto err; |
329 |
|
|
330 |
|
if ((read(fd, buf, 1) != 1) || (buf[0] == 0)) /* Available? */ |
331 |
|
goto err; |
332 |
|
|
333 |
|
if (read(fd, buf, 32) != 32) |
334 |
|
goto err; |
335 |
|
|
336 |
|
ret = True; |
337 |
|
|
338 |
|
err: |
339 |
|
close(fd); |
340 |
|
return ret; |
341 |
|
} |
342 |
|
#endif |
343 |
|
|
344 |
|
/* Generate a 32-byte random for the secure transport code. */ |
345 |
|
void |
346 |
|
generate_random(uint8 * random) |
347 |
|
{ |
348 |
|
struct stat st; |
349 |
|
struct tms tmsbuf; |
350 |
|
MD5_CTX md5; |
351 |
|
uint32 *r; |
352 |
|
int fd, n; |
353 |
|
|
354 |
|
/* If we have a kernel random device, try that first */ |
355 |
|
if (((fd = open("/dev/urandom", O_RDONLY)) != -1) |
356 |
|
|| ((fd = open("/dev/random", O_RDONLY)) != -1)) |
357 |
{ |
{ |
358 |
read(fd, random, 32); |
n = read(fd, random, 32); |
359 |
close(fd); |
close(fd); |
360 |
return; |
if (n == 32) |
361 |
|
return; |
362 |
} |
} |
363 |
|
|
364 |
|
#ifdef EGD_SOCKET |
365 |
|
/* As a second preference use an EGD */ |
366 |
|
if (generate_random_egd(random)) |
367 |
|
return; |
368 |
|
#endif |
369 |
|
|
370 |
/* Otherwise use whatever entropy we can gather - ideas welcome. */ |
/* Otherwise use whatever entropy we can gather - ideas welcome. */ |
371 |
|
r = (uint32 *) random; |
372 |
r[0] = (getpid()) | (getppid() << 16); |
r[0] = (getpid()) | (getppid() << 16); |
373 |
r[1] = (getuid()) | (getgid() << 16); |
r[1] = (getuid()) | (getgid() << 16); |
374 |
r[2] = times(NULL); /* system uptime (clocks) */ |
r[2] = times(&tmsbuf); /* system uptime (clocks) */ |
375 |
gettimeofday((struct timeval *)&r[3], NULL); /* sec and usec */ |
gettimeofday((struct timeval *) &r[3], NULL); /* sec and usec */ |
376 |
stat("/tmp", &st); |
stat("/tmp", &st); |
377 |
r[5] = st.st_atime; |
r[5] = st.st_atime; |
378 |
r[6] = st.st_mtime; |
r[6] = st.st_mtime; |
379 |
r[7] = st.st_ctime; |
r[7] = st.st_ctime; |
380 |
|
|
381 |
|
/* Hash both halves with MD5 to obscure possible patterns */ |
382 |
|
MD5_Init(&md5); |
383 |
|
MD5_Update(&md5, random, 16); |
384 |
|
MD5_Final(random, &md5); |
385 |
|
MD5_Update(&md5, random + 16, 16); |
386 |
|
MD5_Final(random + 16, &md5); |
387 |
} |
} |
388 |
|
|
389 |
/* malloc; exit if out of memory */ |
/* malloc; exit if out of memory */ |
390 |
void *xmalloc(int size) |
void * |
391 |
|
xmalloc(int size) |
392 |
{ |
{ |
393 |
void *mem = malloc(size); |
void *mem = malloc(size); |
394 |
if (mem == NULL) |
if (mem == NULL) |
395 |
{ |
{ |
396 |
ERROR("xmalloc %d\n", size); |
error("xmalloc %d\n", size); |
397 |
exit(1); |
exit(1); |
398 |
} |
} |
399 |
return mem; |
return mem; |
400 |
} |
} |
401 |
|
|
402 |
/* realloc; exit if out of memory */ |
/* realloc; exit if out of memory */ |
403 |
void *xrealloc(void *oldmem, int size) |
void * |
404 |
|
xrealloc(void *oldmem, int size) |
405 |
{ |
{ |
406 |
void *mem = realloc(oldmem, size); |
void *mem = realloc(oldmem, size); |
407 |
if (mem == NULL) |
if (mem == NULL) |
408 |
{ |
{ |
409 |
ERROR("xrealloc %d\n", size); |
error("xrealloc %d\n", size); |
410 |
exit(1); |
exit(1); |
411 |
} |
} |
412 |
return mem; |
return mem; |
413 |
} |
} |
414 |
|
|
415 |
/* free */ |
/* free */ |
416 |
void xfree(void *mem) |
void |
417 |
|
xfree(void *mem) |
418 |
{ |
{ |
419 |
free(mem); |
free(mem); |
420 |
} |
} |
421 |
|
|
422 |
/* Produce a hex dump */ |
/* report an error */ |
423 |
void hexdump(unsigned char *p, unsigned int len) |
void |
424 |
|
error(char *format, ...) |
425 |
|
{ |
426 |
|
va_list ap; |
427 |
|
|
428 |
|
fprintf(stderr, "ERROR: "); |
429 |
|
|
430 |
|
va_start(ap, format); |
431 |
|
vfprintf(stderr, format, ap); |
432 |
|
va_end(ap); |
433 |
|
} |
434 |
|
|
435 |
|
/* report an unimplemented protocol feature */ |
436 |
|
void |
437 |
|
unimpl(char *format, ...) |
438 |
|
{ |
439 |
|
va_list ap; |
440 |
|
|
441 |
|
fprintf(stderr, "NOT IMPLEMENTED: "); |
442 |
|
|
443 |
|
va_start(ap, format); |
444 |
|
vfprintf(stderr, format, ap); |
445 |
|
va_end(ap); |
446 |
|
} |
447 |
|
|
448 |
|
/* produce a hex dump */ |
449 |
|
void |
450 |
|
hexdump(unsigned char *p, unsigned int len) |
451 |
{ |
{ |
452 |
unsigned char *line = p; |
unsigned char *line = p; |
453 |
unsigned int thisline, offset = 0; |
unsigned int thisline, offset = 0; |
455 |
|
|
456 |
while (offset < len) |
while (offset < len) |
457 |
{ |
{ |
458 |
STATUS("%04x ", offset); |
printf("%04x ", offset); |
459 |
thisline = len - offset; |
thisline = len - offset; |
460 |
if (thisline > 16) |
if (thisline > 16) |
461 |
thisline = 16; |
thisline = 16; |
462 |
|
|
463 |
for (i = 0; i < thisline; i++) |
for (i = 0; i < thisline; i++) |
464 |
STATUS("%02x ", line[i]) |
printf("%02x ", line[i]); |
465 |
|
|
466 |
for (; i < 16; i++) |
for (; i < 16; i++) |
467 |
STATUS(" "); |
printf(" "); |
468 |
|
|
469 |
for (i = 0; i < thisline; i++) |
for (i = 0; i < thisline; i++) |
470 |
STATUS("%c", (line[i] >= 0x20 && line[i] < 0x7f) ? line[i] : '.'); |
printf("%c", (line[i] >= 0x20 && line[i] < 0x7f) ? line[i] : '.'); |
471 |
|
|
472 |
STATUS("\n"); |
printf("\n"); |
473 |
offset += thisline; |
offset += thisline; |
474 |
line += thisline; |
line += thisline; |
475 |
} |
} |
476 |
} |
} |
477 |
|
|
478 |
|
#ifdef SAVE_LICENCE |
479 |
|
int |
480 |
|
load_licence(unsigned char **data) |
481 |
|
{ |
482 |
|
char path[PATH_MAX]; |
483 |
|
char *home; |
484 |
|
struct stat st; |
485 |
|
int fd; |
486 |
|
|
487 |
|
home = getenv("HOME"); |
488 |
|
if (home == NULL) |
489 |
|
return -1; |
490 |
|
|
491 |
|
STRNCPY(path, home, sizeof(path)); |
492 |
|
strncat(path, "/.rdesktop/licence", sizeof(path) - strlen(path) - 1); |
493 |
|
|
494 |
|
fd = open(path, O_RDONLY); |
495 |
|
if (fd == -1) |
496 |
|
return -1; |
497 |
|
|
498 |
|
if (fstat(fd, &st)) |
499 |
|
return -1; |
500 |
|
|
501 |
|
*data = xmalloc(st.st_size); |
502 |
|
return read(fd, *data, st.st_size); |
503 |
|
} |
504 |
|
|
505 |
|
void |
506 |
|
save_licence(unsigned char *data, int length) |
507 |
|
{ |
508 |
|
char path[PATH_MAX]; |
509 |
|
char *home; |
510 |
|
int fd; |
511 |
|
|
512 |
|
home = getenv("HOME"); |
513 |
|
if (home == NULL) |
514 |
|
return; |
515 |
|
|
516 |
|
STRNCPY(path, home, sizeof(path)); |
517 |
|
strncat(path, "/.rdesktop", sizeof(path) - strlen(path) - 1); |
518 |
|
mkdir(path, 0700); |
519 |
|
|
520 |
|
strncat(path, "/licence", sizeof(path) - strlen(path) - 1); |
521 |
|
|
522 |
|
fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0600); |
523 |
|
if (fd == -1) |
524 |
|
{ |
525 |
|
perror("open"); |
526 |
|
return; |
527 |
|
} |
528 |
|
|
529 |
|
write(fd, data, length); |
530 |
|
close(fd); |
531 |
|
} |
532 |
|
#endif |