trunk/rdesktop/rdesktop.c

/*
   rdesktop: A Remote Desktop Protocol client.
   Entrypoint and utility functions
   Copyright (C) Matthew Chapman 1999-2002

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include <stdarg.h>             /* va_list va_start va_end */
#include <unistd.h>             /* read close getuid getgid getpid getppid gethostname */
#include <fcntl.h>              /* open */
#include <pwd.h>                /* getpwuid */
#include <limits.h>             /* PATH_MAX */
#include <termios.h>            /* tcgetattr tcsetattr */
#include <sys/stat.h>           /* stat */
#include <sys/time.h>           /* gettimeofday */
#include <sys/times.h>          /* times */
#include "rdesktop.h"

char title[32] = "";
char username[16];
char hostname[16];
char keymapname[16];
int keylayout = 0x409;          /* Defaults to US keyboard layout */
int width = 800;
int height = 600;
int tcp_port_rdp = TCP_PORT_RDP;
BOOL bitmap_compression = True;
BOOL sendmotion = True;
BOOL orders = True;
BOOL encryption = True;
BOOL desktop_save = True;
BOOL fullscreen = False;
BOOL grab_keyboard = True;

/* Display usage information */
static void
usage(char *program)
{
        fprintf(stderr, "rdesktop: A Remote Desktop Protocol client.\n");
        fprintf(stderr, "Version " VERSION ". Copyright (C) 1999-2002 Matt Chapman.\n");
        fprintf(stderr, "See http://www.rdesktop.org/ for more information.\n\n");

        fprintf(stderr, "Usage: %s [options] server\n", program);
        fprintf(stderr, "   -u: user name\n");
        fprintf(stderr, "   -d: domain\n");
        fprintf(stderr, "   -s: shell\n");
        fprintf(stderr, "   -c: working directory\n");
        fprintf(stderr, "   -p: password (- to prompt)\n");
        fprintf(stderr, "   -n: client hostname\n");
        fprintf(stderr, "   -k: keyboard layout on terminal server (us,sv,gr etc.)\n");
        fprintf(stderr, "   -g: desktop geometry (WxH)\n");
        fprintf(stderr, "   -f: full-screen mode\n");
        fprintf(stderr, "   -b: force bitmap updates\n");
        fprintf(stderr, "   -e: disable encryption (French TS)\n");
        fprintf(stderr, "   -m: do not send motion events\n");
        fprintf(stderr, "   -t: rdp tcp port\n");
        fprintf(stderr, "   -K: keep window manager key bindings\n");
        fprintf(stderr, "   -w: window title\n");
}

static BOOL
read_password(char *password, int size)
{
        struct termios tios;
        BOOL ret = False;
        int istty = 0;
        char *p;

        if (tcgetattr(STDIN_FILENO, &tios) == 0)
        {
                fprintf(stderr, "Password: ");
                tios.c_lflag &= ~ECHO;
                tcsetattr(STDIN_FILENO, TCSANOW, &tios);
                istty = 1;
        }

        if (fgets(password, size, stdin) != NULL)
        {
                ret = True;

                /* strip final newline */
                p = strchr(password, '\n');
                if (p != NULL)
                        *p = 0;
        }

        if (istty)
        {
                tios.c_lflag |= ECHO;
                tcsetattr(STDIN_FILENO, TCSANOW, &tios);
                fprintf(stderr, "\n");
        }

        return ret;
}

/* Client program */
int
main(int argc, char *argv[])
{
        char fullhostname[64];
        char domain[16];
        char password[16];
        char shell[32];
        char directory[32];
        BOOL prompt_password;
        struct passwd *pw;
        char *server, *p;
        uint32 flags;
        int c;

        flags = RDP_LOGON_NORMAL;
        prompt_password = False;
        domain[0] = password[0] = shell[0] = directory[0] = 0;
        strcpy(keymapname, "us");

        while ((c = getopt(argc, argv, "u:d:s:c:p:n:k:g:t:fbemKw:h?")) != -1)
        {
                switch (c)
                {
                        case 'u':
                                STRNCPY(username, optarg, sizeof(username));
                                break;

                        case 'd':
                                STRNCPY(domain, optarg, sizeof(domain));
                                break;

                        case 's':
                                STRNCPY(shell, optarg, sizeof(shell));
                                break;

                        case 'c':
                                STRNCPY(directory, optarg, sizeof(directory));
                                break;

                        case 'p':
                                if ((optarg[0] == '-') && (optarg[1] == 0))
                                {
                                        prompt_password = True;
                                        break;
                                }

                                STRNCPY(password, optarg, sizeof(password));
                                flags |= RDP_LOGON_AUTO;

                                /* try to overwrite argument so it won't appear in ps */
                                p = optarg;
                                while (*p)
                                        *(p++) = 'X';
                                break;

                        case 'n':
                                STRNCPY(hostname, optarg, sizeof(hostname));
                                break;

                        case 'k':
                                STRNCPY(keymapname, optarg, sizeof(keymapname));
                                break;

                        case 'g':
                                width = strtol(optarg, &p, 10);
                                if (*p == 'x')
                                        height = strtol(p + 1, NULL, 10);

                                if ((width == 0) || (height == 0))
                                {
                                        error("invalid geometry\n");
                                        return 1;
                                }
                                break;

                        case 'f':
                                fullscreen = True;
                                break;

                        case 'b':
                                orders = False;
                                break;

                        case 'e':
                                encryption = False;
                                break;

                        case 'm':
                                sendmotion = False;
                                break;

                        case 't':
                                tcp_port_rdp = strtol(optarg, NULL, 10);
                                break;

                        case 'K':
                                grab_keyboard = False;
                                break;

                        case 'w':
                                strncpy(title, optarg, sizeof(title));
                                break;

                        case 'h':
                        case '?':
                        default:
                                usage(argv[0]);
                                return 1;
                }
        }

        if (argc - optind < 1)
        {
                usage(argv[0]);
                return 1;
        }

        server = argv[optind];

        if (username[0] == 0)
        {
                pw = getpwuid(getuid());
                if ((pw == NULL) || (pw->pw_name == NULL))
                {
                        error("could not determine username, use -u\n");
                        return 1;
                }

                STRNCPY(username, pw->pw_name, sizeof(username));
        }

        if (hostname[0] == 0)
        {
                if (gethostname(fullhostname, sizeof(fullhostname)) == -1)
                {
                        error("could not determine local hostname, use -n\n");
                        return 1;
                }

                p = strchr(fullhostname, '.');
                if (p != NULL)
                        *p = 0;

                STRNCPY(hostname, fullhostname, sizeof(hostname));
        }

        if (prompt_password && read_password(password, sizeof(password)))
                flags |= RDP_LOGON_AUTO;

        if (title[0] == 0)
        {
                strcpy(title, "rdesktop - ");
                strncat(title, server, sizeof(title) - sizeof("rdesktop - "));
        }

        if (!ui_init())
                return 1;

        if (!rdp_connect(server, flags, domain, password, shell, directory))
                return 1;

        DEBUG(("Connection successful.\n"));
        memset(password, 0, sizeof(password));

        if (ui_create_window())
        {
                rdp_main_loop();
                ui_destroy_window();
        }

        DEBUG(("Disconnecting...\n"));
        rdp_disconnect();
        ui_deinit();
        return 0;
}

/* Generate a 32-byte random for the secure transport code. */
void
generate_random(uint8 * random)
{
        struct stat st;
        struct tms tmsbuf;
        uint32 *r = (uint32 *) random;
        int fd;

        /* If we have a kernel random device, use it. */
        if (((fd = open("/dev/urandom", O_RDONLY)) != -1)
            || ((fd = open("/dev/random", O_RDONLY)) != -1))
        {
                read(fd, random, 32);
                close(fd);
                return;
        }

        /* Otherwise use whatever entropy we can gather - ideas welcome. */
        r[0] = (getpid()) | (getppid() << 16);
        r[1] = (getuid()) | (getgid() << 16);
        r[2] = times(&tmsbuf);  /* system uptime (clocks) */
        gettimeofday((struct timeval *) &r[3], NULL);   /* sec and usec */
        stat("/tmp", &st);
        r[5] = st.st_atime;
        r[6] = st.st_mtime;
        r[7] = st.st_ctime;
}

/* malloc; exit if out of memory */
void *
xmalloc(int size)
{
        void *mem = malloc(size);
        if (mem == NULL)
        {
                error("xmalloc %d\n", size);
                exit(1);
        }
        return mem;
}

/* realloc; exit if out of memory */
void *
xrealloc(void *oldmem, int size)
{
        void *mem = realloc(oldmem, size);
        if (mem == NULL)
        {
                error("xrealloc %d\n", size);
                exit(1);
        }
        return mem;
}

/* free */
void
xfree(void *mem)
{
        free(mem);
}

/* report an error */
void
error(char *format, ...)
{
        va_list ap;

        fprintf(stderr, "ERROR: ");

        va_start(ap, format);
        vfprintf(stderr, format, ap);
        va_end(ap);
}

/* report an unimplemented protocol feature */
void
unimpl(char *format, ...)
{
        va_list ap;

        fprintf(stderr, "NOT IMPLEMENTED: ");

        va_start(ap, format);
        vfprintf(stderr, format, ap);
        va_end(ap);
}

/* produce a hex dump */
void
hexdump(unsigned char *p, unsigned int len)
{
        unsigned char *line = p;
        unsigned int thisline, offset = 0;
        int i;

        while (offset < len)
        {
                printf("%04x ", offset);
                thisline = len - offset;
                if (thisline > 16)
                        thisline = 16;

                for (i = 0; i < thisline; i++)
                        printf("%02x ", line[i]);

                for (; i < 16; i++)
                        printf("   ");

                for (i = 0; i < thisline; i++)
                        printf("%c", (line[i] >= 0x20 && line[i] < 0x7f) ? line[i] : '.');

                printf("\n");
                offset += thisline;
                line += thisline;
        }
}

#ifdef SAVE_LICENCE
int
load_licence(unsigned char **data)
{
        char path[PATH_MAX];
        char *home;
        struct stat st;
        int fd;

        home = getenv("HOME");
        if (home == NULL)
                return -1;

        STRNCPY(path, home, sizeof(path));
        strncat(path, "/.rdesktop/licence", sizeof(path) - strlen(path) - 1);

        fd = open(path, O_RDONLY);
        if (fd == -1)
                return -1;

        if (fstat(fd, &st))
                return -1;

        *data = xmalloc(st.st_size);
        return read(fd, *data, st.st_size);
}

void
save_licence(unsigned char *data, int length)
{
        char path[PATH_MAX];
        char *home;
        int fd;

        home = getenv("HOME");
        if (home == NULL)
                return;

        STRNCPY(path, home, sizeof(path));
        strncat(path, "/.rdesktop", sizeof(path) - strlen(path) - 1);
        mkdir(path, 0700);

        strncat(path, "/licence", sizeof(path) - strlen(path) - 1);

        fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0600);
        if (fd == -1)
        {
                perror("open");
                return;
        }

        write(fd, data, length);
        close(fd);
}
#endif
1	matty	10	/*
2			rdesktop: A Remote Desktop Protocol client.
3			Entrypoint and utility functions
4	matthewc	122	Copyright (C) Matthew Chapman 1999-2002
5	jsorg71	100
6	matty	10	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
8			the Free Software Foundation; either version 2 of the License, or
9			(at your option) any later version.
10	jsorg71	100
11	matty	10	This program is distributed in the hope that it will be useful,
12			but WITHOUT ANY WARRANTY; without even the implied warranty of
13			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			GNU General Public License for more details.
15	jsorg71	100
16	matty	10	You should have received a copy of the GNU General Public License
17			along with this program; if not, write to the Free Software
18			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19			*/
20
21	matty	30	#include <stdarg.h> /* va_list va_start va_end */
22	matty	24	#include <unistd.h> /* read close getuid getgid getpid getppid gethostname */
23			#include <fcntl.h> /* open */
24			#include <pwd.h> /* getpwuid */
25	matthewc	39	#include <limits.h> /* PATH_MAX */
26	matthewc	211	#include <termios.h> /* tcgetattr tcsetattr */
27	matty	24	#include <sys/stat.h> /* stat */
28			#include <sys/time.h> /* gettimeofday */
29			#include <sys/times.h> /* times */
30	matty	10	#include "rdesktop.h"
31
32	astrand	107	char title[32] = "";
33	matty	10	char username[16];
34			char hostname[16];
35	matthewc	38	char keymapname[16];
36	astrand	66	int keylayout = 0x409; /* Defaults to US keyboard layout */
37	matthewc	160	int width = 800;
38			int height = 600;
39	jsorg71	58	int tcp_port_rdp = TCP_PORT_RDP;
40	matty	28	BOOL bitmap_compression = True;
41	matty	29	BOOL sendmotion = True;
42	matty	10	BOOL orders = True;
43	matty	30	BOOL encryption = True;
44	matty	28	BOOL desktop_save = True;
45			BOOL fullscreen = False;
46	astrand	76	BOOL grab_keyboard = True;
47	matty	10
48			/* Display usage information */
49	matty	25	static void
50			usage(char *program)
51	matty	10	{
52	matthewc	122	fprintf(stderr, "rdesktop: A Remote Desktop Protocol client.\n");
53			fprintf(stderr, "Version " VERSION ". Copyright (C) 1999-2002 Matt Chapman.\n");
54			fprintf(stderr, "See http://www.rdesktop.org/ for more information.\n\n");
55
56	astrand	111	fprintf(stderr, "Usage: %s [options] server\n", program);
57			fprintf(stderr, " -u: user name\n");
58			fprintf(stderr, " -d: domain\n");
59			fprintf(stderr, " -s: shell\n");
60			fprintf(stderr, " -c: working directory\n");
61	matthewc	211	fprintf(stderr, " -p: password (- to prompt)\n");
62	astrand	111	fprintf(stderr, " -n: client hostname\n");
63			fprintf(stderr, " -k: keyboard layout on terminal server (us,sv,gr etc.)\n");
64			fprintf(stderr, " -g: desktop geometry (WxH)\n");
65			fprintf(stderr, " -f: full-screen mode\n");
66			fprintf(stderr, " -b: force bitmap updates\n");
67			fprintf(stderr, " -e: disable encryption (French TS)\n");
68			fprintf(stderr, " -m: do not send motion events\n");
69			fprintf(stderr, " -t: rdp tcp port\n");
70			fprintf(stderr, " -K: keep window manager key bindings\n");
71			fprintf(stderr, " -w: window title\n");
72	matty	10	}
73
74	matthewc	211	static BOOL
75			read_password(char *password, int size)
76			{
77			struct termios tios;
78			BOOL ret = False;
79			int istty = 0;
80			char *p;
81
82			if (tcgetattr(STDIN_FILENO, &tios) == 0)
83			{
84			fprintf(stderr, "Password: ");
85			tios.c_lflag &= ~ECHO;
86			tcsetattr(STDIN_FILENO, TCSANOW, &tios);
87			istty = 1;
88			}
89
90			if (fgets(password, size, stdin) != NULL)
91			{
92			ret = True;
93
94			/* strip final newline */
95			p = strchr(password, '\n');
96			if (p != NULL)
97			*p = 0;
98			}
99
100			if (istty)
101			{
102			tios.c_lflag \|= ECHO;
103			tcsetattr(STDIN_FILENO, TCSANOW, &tios);
104			fprintf(stderr, "\n");
105			}
106
107			return ret;
108			}
109
110	matty	10	/* Client program */
111	matty	25	int
112			main(int argc, char *argv[])
113	matty	10	{
114	matty	30	char fullhostname[64];
115	matty	21	char domain[16];
116			char password[16];
117			char shell[32];
118			char directory[32];
119	matthewc	211	BOOL prompt_password;
120	matty	30	struct passwd *pw;
121			char server, p;
122			uint32 flags;
123	matty	10	int c;
124
125	matty	21	flags = RDP_LOGON_NORMAL;
126	matthewc	211	prompt_password = False;
127	matty	21	domain[0] = password[0] = shell[0] = directory[0] = 0;
128	matthewc	38	strcpy(keymapname, "us");
129	matty	21
130	matthewc	214	while ((c = getopt(argc, argv, "u:d:s:c:p:n:k:g:t:fbemKw:h?")) != -1)
131	matty	10	{
132			switch (c)
133			{
134			case 'u':
135	matty	30	STRNCPY(username, optarg, sizeof(username));
136	matty	10	break;
137
138	matty	21	case 'd':
139	matty	30	STRNCPY(domain, optarg, sizeof(domain));
140	matty	21	break;
141
142			case 's':
143	matty	30	STRNCPY(shell, optarg, sizeof(shell));
144	matty	21	break;
145
146			case 'c':
147	matty	30	STRNCPY(directory, optarg, sizeof(directory));
148	matty	21	break;
149
150	matty	30	case 'p':
151	matthewc	211	if ((optarg[0] == '-') && (optarg[1] == 0))
152			{
153			prompt_password = True;
154			break;
155			}
156
157	matty	30	STRNCPY(password, optarg, sizeof(password));
158			flags \|= RDP_LOGON_AUTO;
159	matthewc	211
160			/* try to overwrite argument so it won't appear in ps */
161	n-ki	171	p = optarg;
162			while (*p)
163			*(p++) = 'X';
164	matty	30	break;
165
166	matty	10	case 'n':
167	matty	30	STRNCPY(hostname, optarg, sizeof(hostname));
168	matty	10	break;
169
170			case 'k':
171	astrand	82	STRNCPY(keymapname, optarg, sizeof(keymapname));
172	matty	10	break;
173
174	matty	30	case 'g':
175			width = strtol(optarg, &p, 10);
176			if (*p == 'x')
177	astrand	64	height = strtol(p + 1, NULL, 10);
178	matty	30
179			if ((width == 0) \|\| (height == 0))
180			{
181			error("invalid geometry\n");
182			return 1;
183			}
184	matty	10	break;
185
186	matty	30	case 'f':
187			fullscreen = True;
188			break;
189
190	matty	10	case 'b':
191			orders = False;
192			break;
193
194	matty	30	case 'e':
195			encryption = False;
196	matty	10	break;
197
198	matty	30	case 'm':
199			sendmotion = False;
200	matty	28	break;
201	matty	29
202	jsorg71	58	case 't':
203			tcp_port_rdp = strtol(optarg, NULL, 10);
204			break;
205
206	astrand	76	case 'K':
207			grab_keyboard = False;
208			break;
209
210	astrand	107	case 'w':
211			strncpy(title, optarg, sizeof(title));
212			break;
213
214	matty	28	case 'h':
215	matty	10	case '?':
216			default:
217			usage(argv[0]);
218			return 1;
219			}
220			}
221
222			if (argc - optind < 1)
223			{
224			usage(argv[0]);
225			return 1;
226			}
227
228			server = argv[optind];
229
230			if (username[0] == 0)
231			{
232			pw = getpwuid(getuid());
233			if ((pw == NULL) \|\| (pw->pw_name == NULL))
234			{
235	matty	30	error("could not determine username, use -u\n");
236	matty	10	return 1;
237			}
238
239	matty	30	STRNCPY(username, pw->pw_name, sizeof(username));
240	matty	10	}
241
242			if (hostname[0] == 0)
243			{
244	matty	30	if (gethostname(fullhostname, sizeof(fullhostname)) == -1)
245	matty	10	{
246	matty	30	error("could not determine local hostname, use -n\n");
247	matty	10	return 1;
248			}
249	matty	30
250			p = strchr(fullhostname, '.');
251			if (p != NULL)
252			*p = 0;
253
254			STRNCPY(hostname, fullhostname, sizeof(hostname));
255	matty	10	}
256
257	matthewc	211	if (prompt_password && read_password(password, sizeof(password)))
258			flags \|= RDP_LOGON_AUTO;
259	matty	30
260	matthewc	211	if (title[0] == 0)
261	astrand	107	{
262			strcpy(title, "rdesktop - ");
263			strncat(title, server, sizeof(title) - sizeof("rdesktop - "));
264			}
265	matty	12
266	astrand	82	if (!ui_init())
267			return 1;
268	astrand	66
269	matthewc	53	if (!rdp_connect(server, flags, domain, password, shell, directory))
270			return 1;
271
272	matthewc	122	DEBUG(("Connection successful.\n"));
273	matthewc	211	memset(password, 0, sizeof(password));
274	matthewc	53
275	jsorg71	100	if (ui_create_window())
276	matty	10	{
277			rdp_main_loop();
278			ui_destroy_window();
279			}
280
281	matthewc	122	DEBUG(("Disconnecting...\n"));
282	matthewc	53	rdp_disconnect();
283	matthewc	188	ui_deinit();
284	matty	10	return 0;
285			}
286
287			/* Generate a 32-byte random for the secure transport code. */
288	matty	25	void
289	astrand	64	generate_random(uint8 * random)
290	matty	10	{
291			struct stat st;
292	matty	22	struct tms tmsbuf;
293	matty	24	uint32 r = (uint32 ) random;
294	matty	10	int fd;
295
296			/* If we have a kernel random device, use it. */
297	matty	30	if (((fd = open("/dev/urandom", O_RDONLY)) != -1)
298			\|\| ((fd = open("/dev/random", O_RDONLY)) != -1))
299	matty	10	{
300			read(fd, random, 32);
301			close(fd);
302			return;
303			}
304
305			/* Otherwise use whatever entropy we can gather - ideas welcome. */
306			r[0] = (getpid()) \| (getppid() << 16);
307			r[1] = (getuid()) \| (getgid() << 16);
308	matty	24	r[2] = times(&tmsbuf); /* system uptime (clocks) */
309			gettimeofday((struct timeval ) &r[3], NULL); / sec and usec */
310	matty	10	stat("/tmp", &st);
311			r[5] = st.st_atime;
312			r[6] = st.st_mtime;
313			r[7] = st.st_ctime;
314			}
315
316			/* malloc; exit if out of memory */
317	matty	25	void *
318			xmalloc(int size)
319	matty	10	{
320			void *mem = malloc(size);
321			if (mem == NULL)
322			{
323	matty	30	error("xmalloc %d\n", size);
324	matty	10	exit(1);
325			}
326			return mem;
327			}
328
329			/* realloc; exit if out of memory */
330	matty	25	void *
331			xrealloc(void *oldmem, int size)
332	matty	10	{
333			void *mem = realloc(oldmem, size);
334			if (mem == NULL)
335			{
336	matty	30	error("xrealloc %d\n", size);
337	matty	10	exit(1);
338			}
339			return mem;
340			}
341
342			/* free */
343	matty	25	void
344			xfree(void *mem)
345	matty	10	{
346			free(mem);
347			}
348
349	matty	30	/* report an error */
350	matty	25	void
351	matty	30	error(char *format, ...)
352			{
353			va_list ap;
354
355			fprintf(stderr, "ERROR: ");
356
357			va_start(ap, format);
358			vfprintf(stderr, format, ap);
359			va_end(ap);
360			}
361
362			/* report an unimplemented protocol feature */
363			void
364			unimpl(char *format, ...)
365			{
366			va_list ap;
367
368			fprintf(stderr, "NOT IMPLEMENTED: ");
369
370			va_start(ap, format);
371			vfprintf(stderr, format, ap);
372			va_end(ap);
373			}
374
375			/* produce a hex dump */
376			void
377	matty	25	hexdump(unsigned char *p, unsigned int len)
378	matty	10	{
379			unsigned char *line = p;
380			unsigned int thisline, offset = 0;
381			int i;
382
383			while (offset < len)
384			{
385	matthewc	169	printf("%04x ", offset);
386	matty	10	thisline = len - offset;
387			if (thisline > 16)
388			thisline = 16;
389
390			for (i = 0; i < thisline; i++)
391	matthewc	169	printf("%02x ", line[i]);
392	matty	10
393	matty	30	for (; i < 16; i++)
394	matthewc	169	printf(" ");
395	matty	30
396	matty	10	for (i = 0; i < thisline; i++)
397	matthewc	169	printf("%c", (line[i] >= 0x20 && line[i] < 0x7f) ? line[i] : '.');
398	matty	10
399	matthewc	169	printf("\n");
400	matty	10	offset += thisline;
401			line += thisline;
402			}
403			}
404	matthewc	39
405	matthewc	159	#ifdef SAVE_LICENCE
406	matthewc	39	int
407			load_licence(unsigned char **data)
408			{
409			char path[PATH_MAX];
410			char *home;
411			struct stat st;
412			int fd;
413
414			home = getenv("HOME");
415			if (home == NULL)
416			return -1;
417
418			STRNCPY(path, home, sizeof(path));
419	astrand	64	strncat(path, "/.rdesktop/licence", sizeof(path) - strlen(path) - 1);
420	matthewc	39
421			fd = open(path, O_RDONLY);
422			if (fd == -1)
423			return -1;
424
425			if (fstat(fd, &st))
426			return -1;
427
428			*data = xmalloc(st.st_size);
429			return read(fd, *data, st.st_size);
430			}
431
432			void
433			save_licence(unsigned char *data, int length)
434			{
435			char path[PATH_MAX];
436			char *home;
437			int fd;
438
439			home = getenv("HOME");
440			if (home == NULL)
441			return;
442
443			STRNCPY(path, home, sizeof(path));
444	astrand	64	strncat(path, "/.rdesktop", sizeof(path) - strlen(path) - 1);
445	matthewc	39	mkdir(path, 0700);
446
447	astrand	64	strncat(path, "/licence", sizeof(path) - strlen(path) - 1);
448	matthewc	39
449	astrand	64	fd = open(path, O_WRONLY \| O_CREAT \| O_TRUNC, 0600);
450	matthewc	39	if (fd == -1)
451			{
452			perror("open");
453			return;
454			}
455
456			write(fd, data, length);
457			close(fd);
458			}
459	matthewc	159	#endif