18 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
19 |
*/ |
*/ |
20 |
|
|
|
#include <stdlib.h> /* malloc realloc free */ |
|
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 */ |
24 |
#include <pwd.h> /* getpwuid */ |
#include <pwd.h> /* getpwuid */ |
25 |
#include <limits.h> /* PATH_MAX */ |
#include <limits.h> /* PATH_MAX */ |
26 |
|
#include <termios.h> /* tcgetattr tcsetattr */ |
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 |
|
#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] = ""; |
char title[32] = ""; |
44 |
char username[16]; |
char username[16]; |
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; |
int width = 800; |
49 |
int height; |
int height = 600; |
50 |
int tcp_port_rdp = TCP_PORT_RDP; |
int tcp_port_rdp = TCP_PORT_RDP; |
51 |
BOOL bitmap_compression = True; |
BOOL bitmap_compression = True; |
52 |
BOOL sendmotion = True; |
BOOL sendmotion = True; |
53 |
BOOL orders = True; |
BOOL orders = True; |
|
BOOL licence = True; |
|
54 |
BOOL encryption = True; |
BOOL encryption = True; |
55 |
BOOL desktop_save = True; |
BOOL desktop_save = True; |
56 |
BOOL fullscreen = False; |
BOOL fullscreen = False; |
57 |
BOOL grab_keyboard = True; |
BOOL grab_keyboard = True; |
58 |
|
BOOL hide_decorations = False; |
59 |
|
|
60 |
/* Display usage information */ |
/* Display usage information */ |
61 |
static void |
static void |
65 |
fprintf(stderr, "Version " VERSION ". Copyright (C) 1999-2002 Matt Chapman.\n"); |
fprintf(stderr, "Version " VERSION ". Copyright (C) 1999-2002 Matt Chapman.\n"); |
66 |
fprintf(stderr, "See http://www.rdesktop.org/ for more information.\n\n"); |
fprintf(stderr, "See http://www.rdesktop.org/ for more information.\n\n"); |
67 |
|
|
68 |
fprintf(stderr, "Usage: %s [options] server\n", program); |
fprintf(stderr, "Usage: %s [options] server[:port]\n", program); |
69 |
fprintf(stderr, " -u: user name\n"); |
fprintf(stderr, " -u: user name\n"); |
70 |
fprintf(stderr, " -d: domain\n"); |
fprintf(stderr, " -d: domain\n"); |
71 |
fprintf(stderr, " -s: shell\n"); |
fprintf(stderr, " -s: shell\n"); |
72 |
fprintf(stderr, " -c: working directory\n"); |
fprintf(stderr, " -c: working directory\n"); |
73 |
fprintf(stderr, " -p: password (autologon)\n"); |
fprintf(stderr, " -p: password (- to prompt)\n"); |
|
fprintf(stderr, " -P: askpass-program (autologon)\n"); |
|
74 |
fprintf(stderr, " -n: client hostname\n"); |
fprintf(stderr, " -n: client hostname\n"); |
75 |
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"); |
76 |
fprintf(stderr, " -g: desktop geometry (WxH)\n"); |
fprintf(stderr, " -g: desktop geometry (WxH)\n"); |
77 |
fprintf(stderr, " -f: full-screen mode\n"); |
fprintf(stderr, " -f: full-screen mode\n"); |
78 |
fprintf(stderr, " -b: force bitmap updates\n"); |
fprintf(stderr, " -b: force bitmap updates\n"); |
79 |
fprintf(stderr, " -e: disable encryption (French TS)\n"); |
fprintf(stderr, " -e: disable encryption (French TS)\n"); |
80 |
fprintf(stderr, " -m: do not send motion events\n"); |
fprintf(stderr, " -m: do not send motion events\n"); |
|
fprintf(stderr, " -l: do not request licence\n"); |
|
|
fprintf(stderr, " -t: rdp tcp port\n"); |
|
81 |
fprintf(stderr, " -K: keep window manager key bindings\n"); |
fprintf(stderr, " -K: keep window manager key bindings\n"); |
82 |
fprintf(stderr, " -w: window title\n"); |
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 |
int |
124 |
main(int argc, char *argv[]) |
main(int argc, char *argv[]) |
125 |
{ |
{ |
126 |
|
char server[64]; |
127 |
char fullhostname[64]; |
char fullhostname[64]; |
128 |
char domain[16]; |
char domain[16]; |
129 |
char password[16]; |
char password[16]; |
130 |
char *askpass_result; |
char shell[128]; |
|
char shell[32]; |
|
131 |
char directory[32]; |
char directory[32]; |
132 |
|
BOOL prompt_password; |
133 |
struct passwd *pw; |
struct passwd *pw; |
|
char *server, *p; |
|
134 |
uint32 flags; |
uint32 flags; |
135 |
|
char *p; |
136 |
int c; |
int c; |
137 |
|
|
138 |
flags = RDP_LOGON_NORMAL; |
flags = RDP_LOGON_NORMAL; |
139 |
|
prompt_password = False; |
140 |
domain[0] = password[0] = shell[0] = directory[0] = 0; |
domain[0] = password[0] = shell[0] = directory[0] = 0; |
141 |
strcpy(keymapname, "us"); |
strcpy(keymapname, "en-us"); |
142 |
|
|
143 |
while ((c = getopt(argc, argv, "u:d:s:c:p:P:n:k:g:t:fbemlKw:h?")) != -1) |
while ((c = getopt(argc, argv, "u:d:s:c:p:n:k:g:fbemKT:Dh?")) != -1) |
144 |
{ |
{ |
145 |
switch (c) |
switch (c) |
146 |
{ |
{ |
161 |
break; |
break; |
162 |
|
|
163 |
case 'p': |
case 'p': |
164 |
|
if ((optarg[0] == '-') && (optarg[1] == 0)) |
165 |
|
{ |
166 |
|
prompt_password = True; |
167 |
|
break; |
168 |
|
} |
169 |
|
|
170 |
STRNCPY(password, optarg, sizeof(password)); |
STRNCPY(password, optarg, sizeof(password)); |
171 |
flags |= RDP_LOGON_AUTO; |
flags |= RDP_LOGON_AUTO; |
|
break; |
|
|
|
|
|
case 'P': |
|
|
askpass_result = askpass(optarg, "Enter password"); |
|
|
if (askpass_result == NULL) |
|
|
exit(1); |
|
172 |
|
|
173 |
STRNCPY(password, askpass_result, sizeof(password)); |
/* try to overwrite argument so it won't appear in ps */ |
174 |
free(askpass_result); |
p = optarg; |
175 |
flags |= RDP_LOGON_AUTO; |
while (*p) |
176 |
|
*(p++) = 'X'; |
177 |
break; |
break; |
178 |
|
|
179 |
case 'n': |
case 'n': |
212 |
sendmotion = False; |
sendmotion = False; |
213 |
break; |
break; |
214 |
|
|
|
case 'l': |
|
|
licence = False; |
|
|
break; |
|
|
|
|
|
case 't': |
|
|
tcp_port_rdp = strtol(optarg, NULL, 10); |
|
|
break; |
|
|
|
|
215 |
case 'K': |
case 'K': |
216 |
grab_keyboard = False; |
grab_keyboard = False; |
217 |
break; |
break; |
218 |
|
|
219 |
case 'w': |
case 'T': |
220 |
strncpy(title, optarg, sizeof(title)); |
STRNCPY(title, optarg, sizeof(title)); |
221 |
|
break; |
222 |
|
|
223 |
|
case 'D': |
224 |
|
hide_decorations = True; |
225 |
break; |
break; |
226 |
|
|
227 |
case 'h': |
case 'h': |
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 |
{ |
{ |
273 |
STRNCPY(hostname, fullhostname, sizeof(hostname)); |
STRNCPY(hostname, fullhostname, sizeof(hostname)); |
274 |
} |
} |
275 |
|
|
276 |
if (!strcmp(password, "-")) |
if (prompt_password && read_password(password, sizeof(password))) |
277 |
{ |
flags |= RDP_LOGON_AUTO; |
|
p = getpass("Password: "); |
|
|
if (p == NULL) |
|
|
{ |
|
|
error("failed to read password\n"); |
|
|
return 0; |
|
|
} |
|
|
STRNCPY(password, p, sizeof(password)); |
|
|
} |
|
|
|
|
|
if ((width == 0) || (height == 0)) |
|
|
{ |
|
|
width = 800; |
|
|
height = 600; |
|
|
} |
|
|
else |
|
|
{ |
|
|
/* make sure width is a multiple of 4 */ |
|
|
width = (width + 3) & ~3; |
|
|
} |
|
278 |
|
|
279 |
if (!strlen(title)) |
if (title[0] == 0) |
280 |
{ |
{ |
281 |
strcpy(title, "rdesktop - "); |
strcpy(title, "rdesktop - "); |
282 |
strncat(title, server, sizeof(title) - sizeof("rdesktop - ")); |
strncat(title, server, sizeof(title) - sizeof("rdesktop - ")); |
289 |
return 1; |
return 1; |
290 |
|
|
291 |
DEBUG(("Connection successful.\n")); |
DEBUG(("Connection successful.\n")); |
292 |
|
memset(password, 0, sizeof(password)); |
293 |
|
|
294 |
if (ui_create_window()) |
if (ui_create_window()) |
295 |
{ |
{ |
299 |
|
|
300 |
DEBUG(("Disconnecting...\n")); |
DEBUG(("Disconnecting...\n")); |
301 |
rdp_disconnect(); |
rdp_disconnect(); |
302 |
|
ui_deinit(); |
303 |
return 0; |
return 0; |
304 |
} |
} |
305 |
|
|
306 |
|
#ifdef EGD_SOCKET |
307 |
|
/* 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 sockaddr_un addr; |
312 |
|
BOOL ret = False; |
313 |
|
int fd; |
314 |
|
|
315 |
|
fd = socket(AF_UNIX, SOCK_STREAM, 0); |
316 |
|
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. */ |
/* Generate a 32-byte random for the secure transport code. */ |
345 |
void |
void |
346 |
generate_random(uint8 * random) |
generate_random(uint8 * random) |
347 |
{ |
{ |
348 |
struct stat st; |
struct stat st; |
349 |
struct tms tmsbuf; |
struct tms tmsbuf; |
350 |
uint32 *r = (uint32 *) random; |
MD5_CTX md5; |
351 |
int fd; |
uint32 *r; |
352 |
|
int fd, n; |
353 |
|
|
354 |
/* If we have a kernel random device, use it. */ |
/* If we have a kernel random device, try that first */ |
355 |
if (((fd = open("/dev/urandom", O_RDONLY)) != -1) |
if (((fd = open("/dev/urandom", O_RDONLY)) != -1) |
356 |
|| ((fd = open("/dev/random", O_RDONLY)) != -1)) |
|| ((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(&tmsbuf); /* system uptime (clocks) */ |
r[2] = times(&tmsbuf); /* system uptime (clocks) */ |
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 */ |
455 |
|
|
456 |
while (offset < len) |
while (offset < len) |
457 |
{ |
{ |
458 |
fprintf(stderr, "%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 |
fprintf(stderr, "%02x ", line[i]); |
printf("%02x ", line[i]); |
465 |
|
|
466 |
for (; i < 16; i++) |
for (; i < 16; i++) |
467 |
fprintf(stderr, " "); |
printf(" "); |
468 |
|
|
469 |
for (i = 0; i < thisline; i++) |
for (i = 0; i < thisline; i++) |
470 |
fprintf(stderr, "%c", (line[i] >= 0x20 && line[i] < 0x7f) ? line[i] : '.'); |
printf("%c", (line[i] >= 0x20 && line[i] < 0x7f) ? line[i] : '.'); |
471 |
|
|
472 |
fprintf(stderr, "\n"); |
printf("\n"); |
473 |
offset += thisline; |
offset += thisline; |
474 |
line += thisline; |
line += thisline; |
475 |
} |
} |