Commit | Line | Data |
---|---|---|
bcf1365c DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
7 | #ifndef lint | |
8 | char copyright[] = | |
9 | "@(#) Copyright (c) 1980 Regents of the University of California.\n\ | |
10 | All rights reserved.\n"; | |
11 | #endif not lint | |
12 | ||
22d4760e | 13 | #ifndef lint |
9c90878c | 14 | static char sccsid[] = "@(#)login.c 5.8 (Berkeley) %G%"; |
bcf1365c | 15 | #endif not lint |
22d4760e | 16 | |
88a01c09 BJ |
17 | /* |
18 | * login [ name ] | |
3b8dd95e SL |
19 | * login -r hostname (for rlogind) |
20 | * login -h hostname (for telnetd, etc.) | |
88a01c09 BJ |
21 | */ |
22 | ||
7a625b73 | 23 | #include <sys/param.h> |
3b8dd95e SL |
24 | #include <sys/quota.h> |
25 | #include <sys/stat.h> | |
26 | #include <sys/time.h> | |
27 | #include <sys/resource.h> | |
9479aa87 | 28 | #include <sys/file.h> |
3b8dd95e | 29 | |
88a01c09 BJ |
30 | #include <sgtty.h> |
31 | #include <utmp.h> | |
32 | #include <signal.h> | |
33 | #include <pwd.h> | |
34 | #include <stdio.h> | |
88a01c09 | 35 | #include <lastlog.h> |
22d4760e | 36 | #include <errno.h> |
9479aa87 BJ |
37 | #include <ttyent.h> |
38 | #include <syslog.h> | |
f570e1ff | 39 | |
9479aa87 | 40 | #define SCMPN(a, b) strncmp(a, b, sizeof(a)) |
f570e1ff | 41 | #define SCPYN(a, b) strncpy(a, b, sizeof(a)) |
88a01c09 | 42 | |
b4389814 | 43 | #define NMAX sizeof(utmp.ut_name) |
88a01c09 | 44 | |
f570e1ff BJ |
45 | #define FALSE 0 |
46 | #define TRUE -1 | |
47 | ||
48 | char nolog[] = "/etc/nologin"; | |
49 | char qlog[] = ".hushlogin"; | |
88a01c09 BJ |
50 | char maildir[30] = "/usr/spool/mail/"; |
51 | char lastlog[] = "/usr/adm/lastlog"; | |
3479a16a | 52 | struct passwd nouser = {"", "nope", -1, -1, -1, "", "", "", "" }; |
88a01c09 BJ |
53 | struct sgttyb ttyb; |
54 | struct utmp utmp; | |
55 | char minusnam[16] = "-"; | |
d3737d51 | 56 | char *envinit[] = { 0 }; /* now set by setenv calls */ |
3b8dd95e SL |
57 | /* |
58 | * This bounds the time given to login. We initialize it here | |
59 | * so it can be patched on machines where it's too small. | |
60 | */ | |
61 | int timeout = 60; | |
86eb6c9e | 62 | |
d3737d51 | 63 | char term[64]; |
88a01c09 | 64 | |
86eb6c9e | 65 | struct passwd *pwd; |
d3737d51 | 66 | char *strcat(), *rindex(), *index(), *malloc(), *realloc(); |
3b8dd95e | 67 | int timedout(); |
88a01c09 BJ |
68 | char *ttyname(); |
69 | char *crypt(); | |
70 | char *getpass(); | |
88a01c09 BJ |
71 | char *stypeof(); |
72 | extern char **environ; | |
22d4760e | 73 | extern int errno; |
88a01c09 | 74 | |
714accc5 SL |
75 | struct tchars tc = { |
76 | CINTR, CQUIT, CSTART, CSTOP, CEOT, CBRK | |
77 | }; | |
78 | struct ltchars ltc = { | |
79 | CSUSP, CDSUSP, CRPRNT, CFLUSH, CWERASE, CLNEXT | |
841d84b0 BJ |
80 | }; |
81 | ||
d3737d51 SL |
82 | struct winsize win = { 0, 0, 0, 0 }; |
83 | ||
86eb6c9e | 84 | int rflag; |
95a2c263 | 85 | int usererr = -1; |
b4389814 | 86 | char rusername[NMAX+1], lusername[NMAX+1]; |
86eb6c9e | 87 | char rpassword[NMAX+1]; |
e5321f7b | 88 | char name[NMAX+1]; |
b4389814 | 89 | char *rhost; |
86eb6c9e | 90 | |
88a01c09 | 91 | main(argc, argv) |
3b8dd95e | 92 | char *argv[]; |
88a01c09 BJ |
93 | { |
94 | register char *namep; | |
d3737d51 | 95 | int pflag = 0, hflag = 0, t, f, c; |
3b8dd95e | 96 | int invalid, quietlog; |
f570e1ff | 97 | FILE *nlfd; |
9479aa87 | 98 | char *ttyn, *tty; |
d3737d51 SL |
99 | int ldisc = 0, zero = 0, i; |
100 | char **envnew; | |
88a01c09 | 101 | |
3b8dd95e SL |
102 | signal(SIGALRM, timedout); |
103 | alarm(timeout); | |
88a01c09 BJ |
104 | signal(SIGQUIT, SIG_IGN); |
105 | signal(SIGINT, SIG_IGN); | |
3b8dd95e | 106 | setpriority(PRIO_PROCESS, 0, 0); |
22d4760e | 107 | quota(Q_SETUID, 0, 0, 0); |
3b8dd95e | 108 | /* |
d3737d51 | 109 | * -p is used by getty to tell login not to destroy the environment |
3b8dd95e SL |
110 | * -r is used by rlogind to cause the autologin protocol; |
111 | * -h is used by other servers to pass the name of the | |
112 | * remote host to login so that it may be placed in utmp and wtmp | |
113 | */ | |
95a2c263 | 114 | while (argc > 1) { |
3b8dd95e | 115 | if (strcmp(argv[1], "-r") == 0) { |
95a2c263 JB |
116 | if (rflag || hflag) { |
117 | printf("Only one of -r and -h allowed\n"); | |
118 | exit(1); | |
119 | } | |
120 | rflag = 1; | |
121 | usererr = doremotelogin(argv[2]); | |
3b8dd95e | 122 | SCPYN(utmp.ut_host, argv[2]); |
95a2c263 JB |
123 | argc -= 2; |
124 | argv += 2; | |
125 | continue; | |
b4389814 | 126 | } |
3b8dd95e | 127 | if (strcmp(argv[1], "-h") == 0 && getuid() == 0) { |
95a2c263 JB |
128 | if (rflag || hflag) { |
129 | printf("Only one of -r and -h allowed\n"); | |
130 | exit(1); | |
131 | } | |
d3737d51 | 132 | hflag = 1; |
3b8dd95e | 133 | SCPYN(utmp.ut_host, argv[2]); |
95a2c263 JB |
134 | argc -= 2; |
135 | argv += 2; | |
136 | continue; | |
b4389814 | 137 | } |
d3737d51 SL |
138 | if (strcmp(argv[1], "-p") == 0) { |
139 | argc--; | |
140 | argv++; | |
141 | pflag = 1; | |
95a2c263 | 142 | continue; |
d3737d51 | 143 | } |
95a2c263 | 144 | break; |
86eb6c9e | 145 | } |
714accc5 | 146 | ioctl(0, TIOCLSET, &zero); |
c95ed2b2 | 147 | ioctl(0, TIOCNXCL, 0); |
4f8d3876 BJ |
148 | ioctl(0, FIONBIO, &zero); |
149 | ioctl(0, FIOASYNC, &zero); | |
714accc5 | 150 | ioctl(0, TIOCGETP, &ttyb); |
3b8dd95e SL |
151 | /* |
152 | * If talking to an rlogin process, | |
153 | * propagate the terminal type and | |
154 | * baud rate across the network. | |
155 | */ | |
156 | if (rflag) | |
157 | doremoteterm(term, &ttyb); | |
714accc5 SL |
158 | ioctl(0, TIOCSLTC, <c); |
159 | ioctl(0, TIOCSETC, &tc); | |
160 | ioctl(0, TIOCSETP, &ttyb); | |
c32fb087 | 161 | for (t = getdtablesize(); t > 2; t--) |
88a01c09 BJ |
162 | close(t); |
163 | ttyn = ttyname(0); | |
9479aa87 | 164 | if (ttyn == (char *)0) |
88a01c09 | 165 | ttyn = "/dev/tty??"; |
9479aa87 BJ |
166 | tty = rindex(ttyn, '/'); |
167 | if (tty == NULL) | |
168 | tty = ttyn; | |
169 | else | |
170 | tty++; | |
076ae92c | 171 | openlog("login", LOG_ODELAY, LOG_AUTH); |
9479aa87 | 172 | t = 0; |
96aec705 | 173 | invalid = FALSE; |
f570e1ff BJ |
174 | do { |
175 | ldisc = 0; | |
c95ed2b2 | 176 | ioctl(0, TIOCSETD, &ldisc); |
f570e1ff | 177 | SCPYN(utmp.ut_name, ""); |
3b8dd95e SL |
178 | /* |
179 | * Name specified, take it. | |
180 | */ | |
181 | if (argc > 1) { | |
f570e1ff BJ |
182 | SCPYN(utmp.ut_name, argv[1]); |
183 | argc = 0; | |
184 | } | |
3b8dd95e SL |
185 | /* |
186 | * If remote login take given name, | |
187 | * otherwise prompt user for something. | |
188 | */ | |
96aec705 | 189 | if (rflag && !invalid) |
3479a16a | 190 | SCPYN(utmp.ut_name, lusername); |
a8fb897a | 191 | else |
3b8dd95e | 192 | getloginname(&utmp); |
96aec705 | 193 | invalid = FALSE; |
f570e1ff BJ |
194 | if (!strcmp(pwd->pw_shell, "/bin/csh")) { |
195 | ldisc = NTTYDISC; | |
196 | ioctl(0, TIOCSETD, &ldisc); | |
197 | } | |
3b8dd95e SL |
198 | /* |
199 | * If no remote login authentication and | |
200 | * a password exists for this user, prompt | |
201 | * for one and verify it. | |
202 | */ | |
95a2c263 | 203 | if (usererr == -1 && *pwd->pw_passwd != '\0') { |
3b8dd95e SL |
204 | char *pp; |
205 | ||
206 | setpriority(PRIO_PROCESS, 0, -4); | |
207 | pp = getpass("Password:"); | |
208 | namep = crypt(pp, pwd->pw_passwd); | |
209 | setpriority(PRIO_PROCESS, 0, 0); | |
210 | if (strcmp(namep, pwd->pw_passwd)) | |
211 | invalid = TRUE; | |
f570e1ff | 212 | } |
3b8dd95e SL |
213 | /* |
214 | * If user not super-user, check for logins disabled. | |
215 | */ | |
f570e1ff | 216 | if (pwd->pw_uid != 0 && (nlfd = fopen(nolog, "r")) > 0) { |
f570e1ff BJ |
217 | while ((c = getc(nlfd)) != EOF) |
218 | putchar(c); | |
219 | fflush(stdout); | |
220 | sleep(5); | |
221 | exit(0); | |
222 | } | |
3b8dd95e SL |
223 | /* |
224 | * If valid so far and root is logging in, | |
225 | * see if root logins on this terminal are permitted. | |
226 | */ | |
9479aa87 | 227 | if (!invalid && pwd->pw_uid == 0 && !rootterm(tty)) { |
076ae92c | 228 | syslog(LOG_CRIT, "ROOT LOGIN REFUSED %s", tty); |
f570e1ff BJ |
229 | invalid = TRUE; |
230 | } | |
231 | if (invalid) { | |
88a01c09 | 232 | printf("Login incorrect\n"); |
9479aa87 | 233 | if (++t >= 5) { |
076ae92c | 234 | syslog(LOG_CRIT, |
9479aa87 BJ |
235 | "REPEATED LOGIN FAILURES %s, %s", |
236 | tty, utmp.ut_name); | |
237 | ioctl(0, TIOCHPCL, (struct sgttyb *) 0); | |
d3737d51 | 238 | close(0), close(1), close(2); |
9479aa87 BJ |
239 | sleep(10); |
240 | exit(1); | |
241 | } | |
88a01c09 | 242 | } |
f570e1ff BJ |
243 | if (*pwd->pw_shell == '\0') |
244 | pwd->pw_shell = "/bin/sh"; | |
f570e1ff BJ |
245 | if (chdir(pwd->pw_dir) < 0 && !invalid ) { |
246 | if (chdir("/") < 0) { | |
247 | printf("No directory!\n"); | |
248 | invalid = TRUE; | |
249 | } else { | |
3b8dd95e SL |
250 | printf("No directory! %s\n", |
251 | "Logging in with home=/"); | |
f570e1ff BJ |
252 | pwd->pw_dir = "/"; |
253 | } | |
88a01c09 | 254 | } |
3b8dd95e SL |
255 | /* |
256 | * Remote login invalid must have been because | |
257 | * of a restriction of some sort, no extra chances. | |
258 | */ | |
95a2c263 | 259 | if (!usererr && invalid) |
86eb6c9e | 260 | exit(1); |
f570e1ff | 261 | } while (invalid); |
3b8dd95e SL |
262 | /* committed to login turn off timeout */ |
263 | alarm(0); | |
88a01c09 | 264 | |
790c9c8b | 265 | if (quota(Q_SETUID, pwd->pw_uid, 0, 0) < 0 && errno != EINVAL) { |
22d4760e SL |
266 | if (errno == EUSERS) |
267 | printf("%s.\n%s.\n", | |
268 | "Too many users logged on already", | |
269 | "Try again later"); | |
270 | else if (errno == EPROCLIM) | |
271 | printf("You have too many processes running.\n"); | |
272 | else | |
6821e9c5 | 273 | perror("quota (Q_SETUID)"); |
22d4760e SL |
274 | sleep(5); |
275 | exit(0); | |
276 | } | |
88a01c09 BJ |
277 | time(&utmp.ut_time); |
278 | t = ttyslot(); | |
9479aa87 | 279 | if (t > 0 && (f = open("/etc/utmp", O_WRONLY)) >= 0) { |
88a01c09 | 280 | lseek(f, (long)(t*sizeof(utmp)), 0); |
9479aa87 | 281 | SCPYN(utmp.ut_line, tty); |
88a01c09 BJ |
282 | write(f, (char *)&utmp, sizeof(utmp)); |
283 | close(f); | |
284 | } | |
9479aa87 | 285 | if ((f = open("/usr/adm/wtmp", O_WRONLY|O_APPEND)) >= 0) { |
88a01c09 BJ |
286 | write(f, (char *)&utmp, sizeof(utmp)); |
287 | close(f); | |
288 | } | |
9479aa87 BJ |
289 | quietlog = access(qlog, F_OK) == 0; |
290 | if ((f = open(lastlog, O_RDWR)) >= 0) { | |
f570e1ff BJ |
291 | struct lastlog ll; |
292 | ||
293 | lseek(f, (long)pwd->pw_uid * sizeof (struct lastlog), 0); | |
294 | if (read(f, (char *) &ll, sizeof ll) == sizeof ll && | |
3b8dd95e SL |
295 | ll.ll_time != 0 && !quietlog) { |
296 | printf("Last login: %.*s ", | |
297 | 24-5, (char *)ctime(&ll.ll_time)); | |
298 | if (*ll.ll_host != '\0') | |
299 | printf("from %.*s\n", | |
300 | sizeof (ll.ll_host), ll.ll_host); | |
301 | else | |
302 | printf("on %.*s\n", | |
303 | sizeof (ll.ll_line), ll.ll_line); | |
f570e1ff BJ |
304 | } |
305 | lseek(f, (long)pwd->pw_uid * sizeof (struct lastlog), 0); | |
306 | time(&ll.ll_time); | |
9479aa87 | 307 | SCPYN(ll.ll_line, tty); |
3b8dd95e | 308 | SCPYN(ll.ll_host, utmp.ut_host); |
f570e1ff BJ |
309 | write(f, (char *) &ll, sizeof ll); |
310 | close(f); | |
311 | } | |
88a01c09 | 312 | chown(ttyn, pwd->pw_uid, pwd->pw_gid); |
c32fb087 | 313 | if (!hflag && !rflag) /* XXX */ |
d3737d51 | 314 | ioctl(0, TIOCSWINSZ, &win); |
3479a16a | 315 | chmod(ttyn, 0622); |
88a01c09 | 316 | setgid(pwd->pw_gid); |
e5321f7b KM |
317 | strncpy(name, utmp.ut_name, NMAX); |
318 | name[NMAX] = '\0'; | |
b1198826 | 319 | initgroups(name, pwd->pw_gid); |
22d4760e | 320 | quota(Q_DOWARN, pwd->pw_uid, (dev_t)-1, 0); |
88a01c09 | 321 | setuid(pwd->pw_uid); |
d3737d51 SL |
322 | /* destroy environment unless user has asked to preserve it */ |
323 | if (!pflag) | |
324 | environ = envinit; | |
325 | ||
326 | /* set up environment, this time without destruction */ | |
327 | /* copy the environment before setenving */ | |
328 | i = 0; | |
329 | while (environ[i] != NULL) | |
330 | i++; | |
331 | envnew = (char **) malloc(sizeof (char *) * (i + 1)); | |
332 | for (; i >= 0; i--) | |
333 | envnew[i] = environ[i]; | |
334 | environ = envnew; | |
335 | ||
bed177dc MK |
336 | setenv("HOME=", pwd->pw_dir, 1); |
337 | setenv("SHELL=", pwd->pw_shell, 1); | |
d3737d51 SL |
338 | if (term[0] == '\0') |
339 | strncpy(term, stypeof(tty), sizeof(term)); | |
bed177dc MK |
340 | setenv("TERM=", term, 0); |
341 | setenv("USER=", pwd->pw_name, 1); | |
342 | setenv("PATH=", ":/usr/ucb:/bin:/usr/bin", 0); | |
d3737d51 | 343 | |
88a01c09 BJ |
344 | if ((namep = rindex(pwd->pw_shell, '/')) == NULL) |
345 | namep = pwd->pw_shell; | |
346 | else | |
347 | namep++; | |
348 | strcat(minusnam, namep); | |
9479aa87 | 349 | if (tty[sizeof("tty")-1] == 'd') |
d3737d51 SL |
350 | syslog(LOG_INFO, "DIALUP %s, %s", tty, pwd->pw_name); |
351 | if (pwd->pw_uid == 0) | |
076ae92c | 352 | syslog(LOG_NOTICE, "ROOT LOGIN %s", tty); |
4f8d3876 | 353 | if (!quietlog) { |
6821e9c5 | 354 | struct stat st; |
d3737d51 | 355 | |
f570e1ff BJ |
356 | showmotd(); |
357 | strcat(maildir, pwd->pw_name); | |
6821e9c5 S |
358 | if (stat(maildir, &st) == 0 && st.st_size != 0) |
359 | printf("You have %smail.\n", | |
d3737d51 | 360 | (st.st_mtime > st.st_atime) ? "new " : ""); |
f570e1ff | 361 | } |
3b8dd95e | 362 | signal(SIGALRM, SIG_DFL); |
88a01c09 BJ |
363 | signal(SIGQUIT, SIG_DFL); |
364 | signal(SIGINT, SIG_DFL); | |
5f87416f | 365 | signal(SIGTSTP, SIG_IGN); |
88a01c09 | 366 | execlp(pwd->pw_shell, minusnam, 0); |
f570e1ff | 367 | perror(pwd->pw_shell); |
88a01c09 BJ |
368 | printf("No shell\n"); |
369 | exit(0); | |
370 | } | |
371 | ||
3b8dd95e SL |
372 | getloginname(up) |
373 | register struct utmp *up; | |
374 | { | |
375 | register char *namep; | |
5a786176 | 376 | char c; |
3b8dd95e | 377 | |
3b8dd95e | 378 | while (up->ut_name[0] == '\0') { |
d910ab7f | 379 | namep = up->ut_name; |
5a786176 | 380 | printf("login: "); |
3b8dd95e SL |
381 | while ((c = getchar()) != '\n') { |
382 | if (c == ' ') | |
383 | c = '_'; | |
384 | if (c == EOF) | |
385 | exit(0); | |
386 | if (namep < up->ut_name+NMAX) | |
387 | *namep++ = c; | |
388 | } | |
389 | } | |
d910ab7f EW |
390 | strncpy(lusername, up->ut_name, NMAX); |
391 | lusername[NMAX] = 0; | |
d910ab7f | 392 | if ((pwd = getpwnam(lusername)) == NULL) |
3b8dd95e | 393 | pwd = &nouser; |
3b8dd95e SL |
394 | } |
395 | ||
396 | timedout() | |
397 | { | |
398 | ||
399 | printf("Login timed out after %d seconds\n", timeout); | |
400 | exit(0); | |
401 | } | |
402 | ||
88a01c09 BJ |
403 | int stopmotd; |
404 | catch() | |
405 | { | |
1886582e | 406 | |
88a01c09 BJ |
407 | signal(SIGINT, SIG_IGN); |
408 | stopmotd++; | |
409 | } | |
410 | ||
f570e1ff | 411 | rootterm(tty) |
1886582e | 412 | char *tty; |
f570e1ff | 413 | { |
9479aa87 BJ |
414 | register struct ttyent *t; |
415 | ||
416 | if ((t = getttynam(tty)) != NULL) { | |
417 | if (t->ty_status & TTY_SECURE) | |
418 | return (1); | |
f570e1ff | 419 | } |
9479aa87 | 420 | return (0); |
f570e1ff BJ |
421 | } |
422 | ||
88a01c09 BJ |
423 | showmotd() |
424 | { | |
425 | FILE *mf; | |
426 | register c; | |
427 | ||
428 | signal(SIGINT, catch); | |
9479aa87 | 429 | if ((mf = fopen("/etc/motd", "r")) != NULL) { |
f570e1ff | 430 | while ((c = getc(mf)) != EOF && stopmotd == 0) |
88a01c09 BJ |
431 | putchar(c); |
432 | fclose(mf); | |
433 | } | |
434 | signal(SIGINT, SIG_IGN); | |
435 | } | |
436 | ||
f570e1ff | 437 | #undef UNKNOWN |
88a01c09 BJ |
438 | #define UNKNOWN "su" |
439 | ||
440 | char * | |
441 | stypeof(ttyid) | |
3b8dd95e | 442 | char *ttyid; |
88a01c09 | 443 | { |
9479aa87 | 444 | register struct ttyent *t; |
88a01c09 | 445 | |
9479aa87 | 446 | if (ttyid == NULL || (t = getttynam(ttyid)) == NULL) |
88a01c09 | 447 | return (UNKNOWN); |
9479aa87 | 448 | return (t->ty_type); |
88a01c09 | 449 | } |
86eb6c9e | 450 | |
3b8dd95e SL |
451 | doremotelogin(host) |
452 | char *host; | |
453 | { | |
3b8dd95e SL |
454 | getstr(rusername, sizeof (rusername), "remuser"); |
455 | getstr(lusername, sizeof (lusername), "locuser"); | |
d3737d51 | 456 | getstr(term, sizeof(term), "Terminal type"); |
4cf9fc9e SL |
457 | if (getuid()) { |
458 | pwd = &nouser; | |
95a2c263 | 459 | return(-1); |
4cf9fc9e | 460 | } |
3b8dd95e | 461 | pwd = getpwnam(lusername); |
4cf9fc9e SL |
462 | if (pwd == NULL) { |
463 | pwd = &nouser; | |
95a2c263 | 464 | return(-1); |
3b8dd95e | 465 | } |
95a2c263 | 466 | return(ruserok(host, (pwd->pw_uid == 0), rusername, lusername)); |
3b8dd95e SL |
467 | } |
468 | ||
86eb6c9e BJ |
469 | getstr(buf, cnt, err) |
470 | char *buf; | |
471 | int cnt; | |
472 | char *err; | |
473 | { | |
474 | char c; | |
475 | ||
476 | do { | |
477 | if (read(0, &c, 1) != 1) | |
478 | exit(1); | |
479 | if (--cnt < 0) { | |
480 | printf("%s too long\r\n", err); | |
481 | exit(1); | |
482 | } | |
483 | *buf++ = c; | |
484 | } while (c != 0); | |
485 | } | |
4f8d3876 | 486 | |
3b8dd95e SL |
487 | char *speeds[] = |
488 | { "0", "50", "75", "110", "134", "150", "200", "300", | |
489 | "600", "1200", "1800", "2400", "4800", "9600", "19200", "38400" }; | |
490 | #define NSPEEDS (sizeof (speeds) / sizeof (speeds[0])) | |
491 | ||
492 | doremoteterm(term, tp) | |
493 | char *term; | |
494 | struct sgttyb *tp; | |
495 | { | |
d3737d51 SL |
496 | register char *cp = index(term, '/'), **cpp; |
497 | char *speed; | |
3b8dd95e SL |
498 | |
499 | if (cp) { | |
d3737d51 SL |
500 | *cp++ = '\0'; |
501 | speed = cp; | |
502 | cp = index(speed, '/'); | |
503 | if (cp) | |
504 | *cp++ = '\0'; | |
505 | for (cpp = speeds; cpp < &speeds[NSPEEDS]; cpp++) | |
506 | if (strcmp(*cpp, speed) == 0) { | |
507 | tp->sg_ispeed = tp->sg_ospeed = cpp-speeds; | |
3b8dd95e SL |
508 | break; |
509 | } | |
c32fb087 | 510 | compatsiz(cp); |
3b8dd95e SL |
511 | } |
512 | tp->sg_flags = ECHO|CRMOD|ANYP|XTABS; | |
513 | } | |
d3737d51 | 514 | |
c32fb087 KM |
515 | /* BEGIN TRASH |
516 | * | |
517 | * This is here only long enough to get us by to the revised rlogin | |
518 | */ | |
519 | compatsiz(cp) | |
520 | char *cp; | |
521 | { | |
522 | struct winsize ws; | |
523 | ||
524 | ws.ws_row = ws.ws_col = -1; | |
525 | ws.ws_xpixel = ws.ws_ypixel = -1; | |
526 | if (cp) { | |
527 | ws.ws_row = atoi(cp); | |
528 | cp = index(cp, ','); | |
529 | if (cp == 0) | |
530 | goto done; | |
531 | ws.ws_col = atoi(++cp); | |
532 | cp = index(cp, ','); | |
533 | if (cp == 0) | |
534 | goto done; | |
535 | ws.ws_xpixel = atoi(++cp); | |
536 | cp = index(cp, ','); | |
537 | if (cp == 0) | |
538 | goto done; | |
539 | ws.ws_ypixel = atoi(++cp); | |
540 | } | |
541 | done: | |
542 | if (ws.ws_row != -1 && ws.ws_col != -1 && | |
543 | ws.ws_xpixel != -1 && ws.ws_ypixel != -1) | |
544 | ioctl(0, TIOCSWINSZ, &ws); | |
545 | } | |
546 | /* END TRASH */ | |
547 | ||
d3737d51 SL |
548 | /* |
549 | * Set the value of var to be arg in the Unix 4.2 BSD environment env. | |
550 | * Var should end with '='. | |
551 | * (bindings are of the form "var=value") | |
552 | * This procedure assumes the memory for the first level of environ | |
553 | * was allocated using malloc. | |
554 | */ | |
bed177dc | 555 | setenv(var, value, clobber) |
d3737d51 SL |
556 | char *var, *value; |
557 | { | |
558 | extern char **environ; | |
559 | int index = 0; | |
560 | int varlen = strlen(var); | |
561 | int vallen = strlen(value); | |
562 | ||
563 | for (index = 0; environ[index] != NULL; index++) { | |
564 | if (strncmp(environ[index], var, varlen) == 0) { | |
565 | /* found it */ | |
bed177dc MK |
566 | if (!clobber) |
567 | return; | |
d3737d51 SL |
568 | environ[index] = malloc(varlen + vallen + 1); |
569 | strcpy(environ[index], var); | |
570 | strcat(environ[index], value); | |
571 | return; | |
572 | } | |
573 | } | |
574 | environ = (char **) realloc(environ, sizeof (char *) * (index + 2)); | |
575 | if (environ == NULL) { | |
576 | fprintf(stderr, "login: malloc out of memory\n"); | |
577 | exit(1); | |
578 | } | |
579 | environ[index] = malloc(varlen + vallen + 1); | |
580 | strcpy(environ[index], var); | |
581 | strcat(environ[index], value); | |
582 | environ[++index] = NULL; | |
583 | } |