[unix-history] / usr / src / cmd / uucp / cico.c

	/*  @(#)cico	2.2  5/18/79  11:31:12  */
#include "uucp.h"
#include "uucpdefs.h"
#include <signal.h>
#include <sgtty.h>
#include <setjmp.h>

char Scico[] = "@(#)cico	2.2";

jmp_buf Sjbuf;
	/*  call fail text  */
char *Stattext[] = {
	"",
	"BAD SYSTEM",
	"WRONG TIME",
	"SYSTEM LOCKED",
	"NO DEVICE",
	"DIAL FAILED",
	"LOGIN FAILED",
	"BAD SEQUENCE"
	};

int Role = 0;
char *ttyname();

	/*  call fail codes  */
int Stattype[] = {0, 0, 0, 0,
	SS_NODEVICE, SS_FAIL, SS_FAIL, SS_BADSEQ
	};


int Errorrate = 0;
struct sgttyb Savettyb;

/*******
 *	cico - this program is used  to place a call to a
 *	remote machine, login, and copy files between the two machines.
 */

main(argc, argv)
char *argv[];
{
	int ret, seq;
	int onesys = 0;
	char wkpre[NAMESIZE], file[NAMESIZE];
	char msg[BUFSIZ], *p, *q;
	extern onintr(), timeout();
	extern intrINT();
	extern intrHUP();
	extern intrQUIT();
	extern intrTERM();
	extern intrEXIT();
	extern char *pskip();
	char rflags[30];
	char *ttyn;

	signal(SIGILL, intrEXIT);
	signal(SIGTRAP, intrEXIT);
	signal(SIGIOT, intrEXIT);
	signal(SIGEMT, intrEXIT);
	signal(SIGFPE, intrEXIT);
	signal(SIGBUS, intrEXIT);
	signal(SIGSEGV, intrEXIT);
	signal(SIGSYS, intrEXIT);
	signal(SIGINT, intrINT);
	signal(SIGHUP, intrHUP);
	signal(SIGQUIT, intrQUIT);
	signal(SIGTERM, intrTERM);
	ret = guinfo(getuid(), User, msg);
	strcpy(Loginuser, User);
	ASSERT(ret == 0, "BAD UID ret %d", ret);

	rflags[0] = '\0';
	uucpname(Myname);
	strcpy(Rmtname, Myname);
	Ifn = Ofn = -1;
	while(argc>1 && argv[1][0] == '-'){
		switch(argv[1][1]){
		case 'd':
			Spool = &argv[1][2];
			break;
/*
*		case 'E':
*			Errorrate = atoi(&argv[1][2]);
*			if (Errorrate <= 0)
*				Errorrate = 100;
*			break;
*		case 'g':
*			Pkdrvon = 1;
*			break;
*		case 'G':
*			Pkdrvon = 1;
*			strcat(rflags, " -g ");
*			break;
*/
		case 'r':
			Role = atoi(&argv[1][2]);
			break;
		case 's':
			sprintf(Rmtname, "%.7s", &argv[1][2]);
			if (Rmtname[0] != '\0')
				onesys = 1;
			break;
		case 'x':
			Debug = atoi(&argv[1][2]);
			if (Debug <= 0)
				Debug = 1;
			strcat(rflags, argv[1]);
			break;
		default:
			printf("unknown flag %s\n", argv[1]);
			break;
		}
		--argc;  argv++;
	}

	chdir(Spool);
	strcpy(Wrkdir, Spool);

	if (Role == SLAVE) {
		/* initial handshake */
		onesys = 1;
		ret = ioctl(0, TIOCGETP, &Savettyb);
		Savettyb.sg_flags |= ECHO;
		Savettyb.sg_flags &= ~RAW;
		Ifn = 0;
		Ofn = 1;
		fixmode(Ifn);
		fclose(stderr);
		fopen(RMTDEBUG, "w");
		chmod(RMTDEBUG, 0666);
		omsg('S', "here", Ofn);
		signal(SIGALRM, timeout);
		alarm(MAXMSGTIME);
		if (setjmp(Sjbuf)) {
			/* timed out */
			ret = ioctl(0, TIOCSETP, &Savettyb);
			exit(0);
		}
		for (;;) {
			ret = imsg(msg, Ifn);
			if (ret != 0) {
				alarm(0);
				ret = ioctl(0, TIOCSETP, &Savettyb);
				exit(0);
			}
			if (msg[0] == 'S')
				break;
		}
		alarm(0);
		DEBUG(4, "msg-%s,", msg);
		q = &msg[1];
		p = pskip(q);
		sprintf(Rmtname, "%.7s", q);
		DEBUG(4, "sys-%s\n", Rmtname);
		if (mlock(Rmtname)) {
			omsg('R', "LCK", Ofn);
			cleanup(0);
		}
		else if (callback(Loginuser)) {
			signal(SIGINT, SIG_IGN);
			signal(SIGHUP, SIG_IGN);
			omsg('R', "CB", Ofn);
			DEBUG(4, "CALLBACK Role %d\n", Role);
			logent("CALLBACK", "REQUIRED");
			/*  set up for call back  */
			systat(Rmtname, SS_CALLBACK, "CALL BACK");
			gename(CMDPRE, Rmtname, 'C', file);
			close(creat(file, 0666));
			chmod(file, 0666);
			xuucico(Rmtname);
			cleanup(0);
		}
		seq = 0;
		while (*p == '-') {
			q = pskip(p);
			switch(*(++p)) {
			case 'g':
				Pkdrvon = 1;
				break;
			case 'x':
				Debug = atoi(++p);
				if (Debug <= 0)
					Debug = 1;
				break;
			case 'Q':
				seq = atoi(++p);
				break;
			default:
				break;
			}
			p = q;
		}
		if (callok(Rmtname) == SS_BADSEQ) {
			logent("BADSEQ", "PREVIOUS");
			omsg('R', "BADSEQ", Ofn);
			cleanup(0);
		}
		if ((ret = gnxseq(Rmtname)) == seq) {
			omsg('R', "OK", Ofn);
			cmtseq();
		}
		else {
			systat(Rmtname, Stattype[7], Stattext[7]);
			logent("BAD SEQ", "HANDSHAKE FAILED");
			ulkseq();
			omsg('R', "BADSEQ", Ofn);
			cleanup(0);
		}
	}
loop:
	if (!onesys) {
		ret = gnsys(Rmtname, Spool, CMDPRE);
		if (ret == FAIL)
			cleanup(100);
		if (ret == 0)
			cleanup(0);
	}
	else if (Role == MASTER && callok(Rmtname) != 0) {
		logent("SYSTEM STATUS", "CAN NOT CALL");
		cleanup(0);
	}

	sprintf(wkpre, "%c.%.7s", CMDPRE, Rmtname);

	if (Role == MASTER) {
		/*  master part */
		signal(SIGINT, SIG_IGN);
		signal(SIGHUP, SIG_IGN);
		signal(SIGQUIT, SIG_IGN);
		if (!iswrk(file, "chk", Spool, wkpre) && !onesys) {
			logent(Rmtname, "NO WORK");
			cleanup(0);
		}
		if (Ifn != -1 && Role == MASTER) {
			write(Ofn, EOTMSG, strlen(EOTMSG));
			close(Ofn);
			close(Ifn);
			Ifn = Ofn = -1;
			rmlock(NULL);
			clsacu();
			sleep(3);
		}
		sprintf(msg, "call to %s ", Rmtname);
		if (mlock(Rmtname) != 0) {
			logent(msg, "LOCKED");
			goto next;
		}
		Ofn = Ifn = conn(Rmtname);
		if (Ofn < 0) {
			logent(msg, "FAILED");
			systat(Rmtname, Stattype[-Ofn],
				Stattext[-Ofn]);
			goto next;
		}
		else {
			logent(msg, "SUCCEEDED");
		}
	
		if (setjmp(Sjbuf))
			goto next;
		signal(SIGALRM, timeout);
		alarm(2 * MAXMSGTIME);
		for (;;) {
			ret = imsg(msg, Ifn);
			if (ret != 0) {
				alarm(0);
				goto next;
			}
			if (msg[0] == 'S')
				break;
		}
		alarm(MAXMSGTIME);
		seq = gnxseq(Rmtname);
		sprintf(msg, "%.7s -Q%d %s", Myname, seq, rflags);
		omsg('S', msg, Ofn);
		for (;;) {
			ret = imsg(msg, Ifn);
			DEBUG(4, "msg-%s\n", msg);
			if (ret != 0) {
				alarm(0);
				ulkseq();
				goto next;
			}
			if (msg[0] == 'R')
				break;
		}
		alarm(0);
		if (msg[1] == 'B') {
			/* bad sequence */
			logent("BAD SEQ", "HANDSHAKE FAILED");
			systat(Rmtname, Stattype[7], Stattext[7]);
			ulkseq();
			goto next;
		}
		if (strcmp(&msg[1], "OK") != SAME)  {
			logent(&msg[1], "HANDSHAKE FAILED");
			ulkseq();
			goto next;
		}
		cmtseq();
	}
	ttyn = ttyname(Ifn);
	if (ttyn != NULL)
		chmod(ttyn, 0600);
	DEBUG(1, " Rmtname %s, ", Rmtname);
	DEBUG(1, "my Role %s,  ", Role ? "MASTER" : "SLAVE");
	DEBUG(1, "Spool - %s\n", Spool);
	DEBUG(1, "Ifn - %d, ", Ifn);
	DEBUG(1, "Ofn - %d, ", Ofn);
	DEBUG(1, "Loginuser - %s\n", Loginuser);

	ret = startup(Role);
	if (ret != SUCCESS) {
		logent("startup", "FAILED");
		systat(Rmtname, SS_FAIL, "STARTUP");
		goto next;
	}
	else {
		logent("startup", "OK");
		systat(Rmtname, SS_INPROGRESS, "TALKING");
		ret = cntrl(Role, wkpre);
		DEBUG(1, "ret from cntrl - %d\n", ret);
		signal(SIGINT, SIG_IGN);
		signal(SIGHUP, SIG_IGN);
		signal(SIGALRM, timeout);
		if (ret == 0) {
			logent("conversation complete", "OK");
			rmstat(Rmtname);

		}
		else {
			logent("conversation complete", "FAILED");
			systat(Rmtname, SS_FAIL, "CONVERSATION");
		}
		alarm(MAXMSGTIME);
		omsg('O', "OOOOO", Ofn);
		DEBUG(4, "send OO %d,", ret);
		if (!setjmp(Sjbuf)) {
			for (;;) {
				omsg('O', "OOOOO", Ofn);
				ret = imsg(msg, Ifn);
				if (ret != 0)
					break;
				if (msg[0] == 'O')
					break;
			}
		}
		alarm(0);
	}
next:
	if (!onesys) {
		goto loop;
	}
	cleanup(0);
}


int Hupvec[] = {0, 0, 1};

/***
 *	cleanup(code)	cleanup and exit with "code" status
 *	int code;
 */

cleanup(code)
int code;
{
	int ret;
	char *ttyn;

	signal(SIGINT, SIG_IGN);
	signal(SIGHUP, SIG_IGN);
	rmlock(NULL);
	clsacu();
	logcls();
	if (Role == SLAVE) {
		ret = ioctl(0, TIOCSETP, &Savettyb);
		DEBUG(4, "\nIfn - %d, ", Ifn);
		DEBUG(4, "ret ioctl - %d\n", ret);
		DEBUG(4, "tty.flags %o,", Savettyb.sg_flags);
		DEBUG(4, "tty.ispeed %d, ", Savettyb.sg_ispeed);
		DEBUG(4, "tty.ospeed %d, ", Savettyb.sg_ospeed);
		ret = ioctl(0, TIOCSETP, Hupvec);
		DEBUG(4, "ret ioctl - %d\n", ret);
	}
	if (Ofn != -1) {
		if (Role == MASTER)
			write(Ofn, EOTMSG, strlen(EOTMSG));
		ttyn = ttyname(Ifn);
		if (ttyn != NULL)
			chmod(ttyn, 0666);
		close(Ifn);
		close(Ofn);
	}
	DEBUG(1, "exit code %d\n", code);
	if (code == 0)
		xuuxqt();
	exit(code);
}

/***
 *	onintr(inter)	interrupt - remove locks and exit
 */

onintr(inter)
int inter;
{
	char str[30];
	signal(inter, SIG_IGN);
	sprintf(str, "SIGNAL %d", inter);
	logent(str, "CAUGHT");
	cleanup(inter);
}

intrINT() { onintr(SIGINT);}
intrHUP() { onintr(SIGHUP);}
intrQUIT() { onintr(SIGQUIT);}
intrTERM() { onintr(SIGTERM);}
intrEXIT()
{
	signal(SIGIOT, SIG_DFL);
	setuid(getuid());
	abort();
}

/***
 *	fixmode(tty)	fix kill/echo/raw on line
 *
 *	return codes:  none
 */

fixmode(tty)
int tty;
{
	struct sgttyb ttbuf;
	int ret;

	ioctl(tty, TIOCGETP, &ttbuf);
	ttbuf.sg_flags = (ANYP | RAW);
	ret = ioctl(tty, TIOCSETP, &ttbuf);
	ASSERT(ret >= 0, "RETURN FROM STTY %d", ret);
	ioctl(tty, TIOCEXCL, 0);
	return;
}


/***
 *	timeout()	catch SIGALRM routine
 */

timeout()
{
	longjmp(Sjbuf, 1);
}

static char *
pskip(p)
register char *p;
{
	while( *p && *p != ' ' )
		++p;
	if( *p ) *p++ = 0;
	return(p);
}
Commit	Line	Data
33b16e6b BJ	1	/* @(#)cico 2.2 5/18/79 11:31:12 */
	2	#include "uucp.h"
	3	#include "uucpdefs.h"
	4	#include <signal.h>
	5	#include <sgtty.h>
	6	#include <setjmp.h>
	7
	8	char Scico[] = "@(#)cico 2.2";
	9
	10	jmp_buf Sjbuf;
	11	/* call fail text */
	12	char *Stattext[] = {
	13	"",
	14	"BAD SYSTEM",
	15	"WRONG TIME",
	16	"SYSTEM LOCKED",
	17	"NO DEVICE",
	18	"DIAL FAILED",
	19	"LOGIN FAILED",
	20	"BAD SEQUENCE"
	21	};
	22
	23	int Role = 0;
	24	char *ttyname();
	25
	26	/* call fail codes */
	27	int Stattype[] = {0, 0, 0, 0,
	28	SS_NODEVICE, SS_FAIL, SS_FAIL, SS_BADSEQ
	29	};
	30
	31
	32	int Errorrate = 0;
	33	struct sgttyb Savettyb;
	34
	35	/*******
	36	* cico - this program is used to place a call to a
	37	* remote machine, login, and copy files between the two machines.
	38	*/
	39
	40	main(argc, argv)
	41	char *argv[];
	42	{
	43	int ret, seq;
	44	int onesys = 0;
	45	char wkpre[NAMESIZE], file[NAMESIZE];
	46	char msg[BUFSIZ], p, q;
	47	extern onintr(), timeout();
	48	extern intrINT();
	49	extern intrHUP();
	50	extern intrQUIT();
	51	extern intrTERM();
	52	extern intrEXIT();
	53	extern char *pskip();
	54	char rflags[30];
	55	char *ttyn;
	56
	57	signal(SIGILL, intrEXIT);
	58	signal(SIGTRAP, intrEXIT);
	59	signal(SIGIOT, intrEXIT);
	60	signal(SIGEMT, intrEXIT);
	61	signal(SIGFPE, intrEXIT);
	62	signal(SIGBUS, intrEXIT);
	63	signal(SIGSEGV, intrEXIT);
	64	signal(SIGSYS, intrEXIT);
65	signal(SIGINT, intrINT);
66	signal(SIGHUP, intrHUP);
67	signal(SIGQUIT, intrQUIT);
68	signal(SIGTERM, intrTERM);
69	ret = guinfo(getuid(), User, msg);
70	strcpy(Loginuser, User);
71	ASSERT(ret == 0, "BAD UID ret %d", ret);
72
73	rflags[0] = '\0';
74	uucpname(Myname);
75	strcpy(Rmtname, Myname);
76	Ifn = Ofn = -1;
77	while(argc>1 && argv[1][0] == '-'){
78	switch(argv[1][1]){
79	case 'd':
80	Spool = &argv[1][2];
81	break;
82	/*
83	* case 'E':
84	* Errorrate = atoi(&argv[1][2]);
85	* if (Errorrate <= 0)
86	* Errorrate = 100;
87	* break;
88	* case 'g':
89	* Pkdrvon = 1;
90	* break;
91	* case 'G':
92	* Pkdrvon = 1;
93	* strcat(rflags, " -g ");
94	* break;
95	*/
96	case 'r':
97	Role = atoi(&argv[1][2]);
98	break;
99	case 's':
100	sprintf(Rmtname, "%.7s", &argv[1][2]);
101	if (Rmtname[0] != '\0')
102	onesys = 1;
103	break;
104	case 'x':
105	Debug = atoi(&argv[1][2]);
106	if (Debug <= 0)
107	Debug = 1;
108	strcat(rflags, argv[1]);
109	break;
110	default:
111	printf("unknown flag %s\n", argv[1]);
112	break;
113	}
114	--argc; argv++;
115	}
116
117	chdir(Spool);
118	strcpy(Wrkdir, Spool);
119
120	if (Role == SLAVE) {
121	/* initial handshake */
122	onesys = 1;
123	ret = ioctl(0, TIOCGETP, &Savettyb);
124	Savettyb.sg_flags \|= ECHO;
125	Savettyb.sg_flags &= ~RAW;
126	Ifn = 0;
127	Ofn = 1;
128	fixmode(Ifn);
129	fclose(stderr);
130	fopen(RMTDEBUG, "w");
131	chmod(RMTDEBUG, 0666);
132	omsg('S', "here", Ofn);
133	signal(SIGALRM, timeout);
134	alarm(MAXMSGTIME);
135	if (setjmp(Sjbuf)) {
136	/* timed out */
137	ret = ioctl(0, TIOCSETP, &Savettyb);
138	exit(0);
139	}
140	for (;;) {
141	ret = imsg(msg, Ifn);
142	if (ret != 0) {
143	alarm(0);
144	ret = ioctl(0, TIOCSETP, &Savettyb);
145	exit(0);
146	}
147	if (msg[0] == 'S')
148	break;
149	}
150	alarm(0);
151	DEBUG(4, "msg-%s,", msg);
152	q = &msg[1];
153	p = pskip(q);
154	sprintf(Rmtname, "%.7s", q);
155	DEBUG(4, "sys-%s\n", Rmtname);
156	if (mlock(Rmtname)) {
157	omsg('R', "LCK", Ofn);
158	cleanup(0);
159	}
160	else if (callback(Loginuser)) {
161	signal(SIGINT, SIG_IGN);
162	signal(SIGHUP, SIG_IGN);
163	omsg('R', "CB", Ofn);
164	DEBUG(4, "CALLBACK Role %d\n", Role);
165	logent("CALLBACK", "REQUIRED");
166	/* set up for call back */
167	systat(Rmtname, SS_CALLBACK, "CALL BACK");
168	gename(CMDPRE, Rmtname, 'C', file);
169	close(creat(file, 0666));
170	chmod(file, 0666);
171	xuucico(Rmtname);
172	cleanup(0);
173	}
174	seq = 0;
175	while (*p == '-') {
176	q = pskip(p);
177	switch(*(++p)) {
178	case 'g':
179	Pkdrvon = 1;
180	break;
181	case 'x':
182	Debug = atoi(++p);
183	if (Debug <= 0)
184	Debug = 1;
185	break;
186	case 'Q':
187	seq = atoi(++p);
188	break;
189	default:
190	break;
191	}
192	p = q;
193	}
194	if (callok(Rmtname) == SS_BADSEQ) {
195	logent("BADSEQ", "PREVIOUS");
196	omsg('R', "BADSEQ", Ofn);
197	cleanup(0);
198	}
199	if ((ret = gnxseq(Rmtname)) == seq) {
200	omsg('R', "OK", Ofn);
201	cmtseq();
202	}
203	else {
204	systat(Rmtname, Stattype[7], Stattext[7]);
205	logent("BAD SEQ", "HANDSHAKE FAILED");
206	ulkseq();
207	omsg('R', "BADSEQ", Ofn);
208	cleanup(0);
209	}
210	}
211	loop:
212	if (!onesys) {
213	ret = gnsys(Rmtname, Spool, CMDPRE);
214	if (ret == FAIL)
215	cleanup(100);
216	if (ret == 0)
217	cleanup(0);
218	}
219	else if (Role == MASTER && callok(Rmtname) != 0) {
220	logent("SYSTEM STATUS", "CAN NOT CALL");
221	cleanup(0);
222	}
223
224	sprintf(wkpre, "%c.%.7s", CMDPRE, Rmtname);
225
226	if (Role == MASTER) {
227	/* master part */
228	signal(SIGINT, SIG_IGN);
229	signal(SIGHUP, SIG_IGN);
230	signal(SIGQUIT, SIG_IGN);
231	if (!iswrk(file, "chk", Spool, wkpre) && !onesys) {
232	logent(Rmtname, "NO WORK");
233	cleanup(0);
234	}
235	if (Ifn != -1 && Role == MASTER) {
236	write(Ofn, EOTMSG, strlen(EOTMSG));
237	close(Ofn);
238	close(Ifn);
239	Ifn = Ofn = -1;
240	rmlock(NULL);
241	clsacu();
242	sleep(3);
243	}
244	sprintf(msg, "call to %s ", Rmtname);
245	if (mlock(Rmtname) != 0) {
246	logent(msg, "LOCKED");
247	goto next;
248	}
249	Ofn = Ifn = conn(Rmtname);
250	if (Ofn < 0) {
251	logent(msg, "FAILED");
252	systat(Rmtname, Stattype[-Ofn],
253	Stattext[-Ofn]);
254	goto next;
255	}
256	else {
257	logent(msg, "SUCCEEDED");
258	}
259
260	if (setjmp(Sjbuf))
261	goto next;
262	signal(SIGALRM, timeout);
263	alarm(2 * MAXMSGTIME);
264	for (;;) {
265	ret = imsg(msg, Ifn);
266	if (ret != 0) {
267	alarm(0);
268	goto next;
269	}
270	if (msg[0] == 'S')
271	break;
272	}
273	alarm(MAXMSGTIME);
274	seq = gnxseq(Rmtname);
275	sprintf(msg, "%.7s -Q%d %s", Myname, seq, rflags);
276	omsg('S', msg, Ofn);
277	for (;;) {
278	ret = imsg(msg, Ifn);
279	DEBUG(4, "msg-%s\n", msg);
280	if (ret != 0) {
281	alarm(0);
282	ulkseq();
283	goto next;
284	}
285	if (msg[0] == 'R')
286	break;
287	}
288	alarm(0);
289	if (msg[1] == 'B') {
290	/* bad sequence */
291	logent("BAD SEQ", "HANDSHAKE FAILED");
292	systat(Rmtname, Stattype[7], Stattext[7]);
293	ulkseq();
294	goto next;
295	}
296	if (strcmp(&msg[1], "OK") != SAME) {
297	logent(&msg[1], "HANDSHAKE FAILED");
298	ulkseq();
299	goto next;
300	}
301	cmtseq();
302	}
303	ttyn = ttyname(Ifn);
304	if (ttyn != NULL)
305	chmod(ttyn, 0600);
306	DEBUG(1, " Rmtname %s, ", Rmtname);
307	DEBUG(1, "my Role %s, ", Role ? "MASTER" : "SLAVE");
308	DEBUG(1, "Spool - %s\n", Spool);
309	DEBUG(1, "Ifn - %d, ", Ifn);
310	DEBUG(1, "Ofn - %d, ", Ofn);
311	DEBUG(1, "Loginuser - %s\n", Loginuser);
312
313	ret = startup(Role);
314	if (ret != SUCCESS) {
315	logent("startup", "FAILED");
316	systat(Rmtname, SS_FAIL, "STARTUP");
317	goto next;
318	}
319	else {
320	logent("startup", "OK");
321	systat(Rmtname, SS_INPROGRESS, "TALKING");
322	ret = cntrl(Role, wkpre);
323	DEBUG(1, "ret from cntrl - %d\n", ret);
324	signal(SIGINT, SIG_IGN);
325	signal(SIGHUP, SIG_IGN);
326	signal(SIGALRM, timeout);
327	if (ret == 0) {
328	logent("conversation complete", "OK");
329	rmstat(Rmtname);
330
331	}
332	else {
333	logent("conversation complete", "FAILED");
334	systat(Rmtname, SS_FAIL, "CONVERSATION");
335	}
336	alarm(MAXMSGTIME);
337	omsg('O', "OOOOO", Ofn);
338	DEBUG(4, "send OO %d,", ret);
339	if (!setjmp(Sjbuf)) {
340	for (;;) {
341	omsg('O', "OOOOO", Ofn);
342	ret = imsg(msg, Ifn);
343	if (ret != 0)
344	break;
345	if (msg[0] == 'O')
346	break;
347	}
348	}
349	alarm(0);
350	}
351	next:
352	if (!onesys) {
353	goto loop;
354	}
355	cleanup(0);
356	}
357
358
359	int Hupvec[] = {0, 0, 1};
360
361	/***
362	* cleanup(code) cleanup and exit with "code" status
363	* int code;
364	*/
365
366	cleanup(code)
367	int code;
368	{
369	int ret;
370	char *ttyn;
371
372	signal(SIGINT, SIG_IGN);
373	signal(SIGHUP, SIG_IGN);
374	rmlock(NULL);
375	clsacu();
376	logcls();
377	if (Role == SLAVE) {
378	ret = ioctl(0, TIOCSETP, &Savettyb);
379	DEBUG(4, "\nIfn - %d, ", Ifn);
380	DEBUG(4, "ret ioctl - %d\n", ret);
381	DEBUG(4, "tty.flags %o,", Savettyb.sg_flags);
382	DEBUG(4, "tty.ispeed %d, ", Savettyb.sg_ispeed);
383	DEBUG(4, "tty.ospeed %d, ", Savettyb.sg_ospeed);
384	ret = ioctl(0, TIOCSETP, Hupvec);
385	DEBUG(4, "ret ioctl - %d\n", ret);
386	}
387	if (Ofn != -1) {
388	if (Role == MASTER)
389	write(Ofn, EOTMSG, strlen(EOTMSG));
390	ttyn = ttyname(Ifn);
391	if (ttyn != NULL)
392	chmod(ttyn, 0666);
393	close(Ifn);
394	close(Ofn);
395	}
396	DEBUG(1, "exit code %d\n", code);
397	if (code == 0)
398	xuuxqt();
399	exit(code);
400	}
401
402	/***
403	* onintr(inter) interrupt - remove locks and exit
404	*/
405
406	onintr(inter)
407	int inter;
408	{
409	char str[30];
410	signal(inter, SIG_IGN);
411	sprintf(str, "SIGNAL %d", inter);
412	logent(str, "CAUGHT");
413	cleanup(inter);
414	}
415
416	intrINT() { onintr(SIGINT);}
417	intrHUP() { onintr(SIGHUP);}
418	intrQUIT() { onintr(SIGQUIT);}
419	intrTERM() { onintr(SIGTERM);}
420	intrEXIT()
421	{
422	signal(SIGIOT, SIG_DFL);
423	setuid(getuid());
424	abort();
425	}
426
427	/***
428	* fixmode(tty) fix kill/echo/raw on line
429	*
430	* return codes: none
431	*/
432
433	fixmode(tty)
434	int tty;
435	{
436	struct sgttyb ttbuf;
437	int ret;
438
439	ioctl(tty, TIOCGETP, &ttbuf);
440	ttbuf.sg_flags = (ANYP \| RAW);
441	ret = ioctl(tty, TIOCSETP, &ttbuf);
442	ASSERT(ret >= 0, "RETURN FROM STTY %d", ret);
443	ioctl(tty, TIOCEXCL, 0);
444	return;
445	}
446
447
448	/***
449	* timeout() catch SIGALRM routine
450	*/
451
452	timeout()
453	{
454	longjmp(Sjbuf, 1);
455	}
456
457	static char *
458	pskip(p)
459	register char *p;
460	{
461	while( p && p != ' ' )
462	++p;
463	if( p ) p++ = 0;
464	return(p);
465	}