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Commit | Line | Data |
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989a2c2c | 1 | /* |
569ee3f8 | 2 | * $Source$ |
3 | * $Author$ | |
4 | * $Locker$ | |
5 | * $Header$ | |
7189310c | 6 | * |
7 | * (c) Copyright 1988 by the Massachusetts Institute of Technology. | |
8 | * For copying and distribution information, please see the file | |
9 | * <mit-copyright.h>. | |
989a2c2c | 10 | */ |
11 | ||
12 | #ifndef lint | |
569ee3f8 | 13 | static char *rcsid_userreg_c = "$Header$"; |
989a2c2c | 14 | #endif lint |
15 | ||
7189310c | 16 | #include <mit-copyright.h> |
989a2c2c | 17 | #include <curses.h> |
989a2c2c | 18 | #include <signal.h> |
19 | #include <sys/time.h> | |
20 | #include <setjmp.h> | |
6f742fd0 | 21 | #include <ctype.h> |
6f742fd0 | 22 | #include <krb.h> |
23 | #include <errno.h> | |
f05412e4 | 24 | #include "userreg.h" |
25 | #include "ureg_err.h" | |
26 | ||
989a2c2c | 27 | #define EXIT -1 |
28 | ||
29 | ||
569ee3f8 | 30 | struct user user, db_user; |
31 | struct alias alias; | |
32 | char typed_mit_id[100]; | |
989a2c2c | 33 | |
569ee3f8 | 34 | jmp_buf redo; |
35 | int restart(); | |
989a2c2c | 36 | |
569ee3f8 | 37 | extern int errno; |
38 | int user_is_valid = 0; | |
6f742fd0 | 39 | int user_has_login = 0; |
569ee3f8 | 40 | int already_registered = 0; |
b92a6895 | 41 | extern char *disabled(); |
989a2c2c | 42 | |
569ee3f8 | 43 | fix_display(sig) |
989a2c2c | 44 | { |
569ee3f8 | 45 | signal(sig, SIG_IGN); /* let us clean up, please */ |
989a2c2c | 46 | noraw(); |
47 | echo(); | |
48 | endwin(); | |
569ee3f8 | 49 | exit(1); |
989a2c2c | 50 | } |
51 | ||
569ee3f8 | 52 | main(argc, argv) |
53 | int argc; | |
54 | char **argv; | |
989a2c2c | 55 | { |
569ee3f8 | 56 | register int ntimes; |
57 | register int reencrypt; | |
b92a6895 | 58 | char line[100], *when, *msg; |
6f742fd0 | 59 | int status; |
c16914a2 | 60 | char tmpfirst[100], tmplast[100], tmpmid[100]; |
6f742fd0 | 61 | |
62 | status = ureg_init(); | |
63 | if (status) { | |
64 | com_err(argv[0], status, "while trying to initialize"); | |
65 | exit(1); | |
66 | } | |
569ee3f8 | 67 | |
b92a6895 | 68 | if (when = disabled(&msg)) { |
69 | printf("We're sorry, the registration service is unavailable right now\n"); | |
70 | if (msg) | |
71 | printf("because %s\n", msg); | |
72 | printf("You should be able to register after %s", when); | |
ce36e992 | 73 | printf("\nPress ENTER or RETURN to continue "); |
74 | fflush(stdout); | |
75 | getchar(); | |
b92a6895 | 76 | exit(0); |
77 | } | |
78 | ||
569ee3f8 | 79 | setup_display(); |
80 | ||
81 | signal(SIGINT, fix_display); | |
82 | signal(SIGQUIT, fix_display); | |
83 | signal(SIGHUP, fix_display); | |
84 | ||
85 | do { | |
c16914a2 | 86 | |
569ee3f8 | 87 | setjmp(redo); |
88 | reset(); | |
89 | ntimes = 0; | |
90 | ||
91 | display_text(WELCOME); | |
92 | ||
93 | gfirst(); | |
94 | gmi(); | |
95 | glast(); | |
c16914a2 | 96 | strcpy(tmpfirst, user.u_first); |
97 | strcpy(tmplast, user.u_last); | |
98 | FixName(tmplast, tmpfirst, user.u_last, user.u_first, tmpmid); | |
99 | redisp(); | |
100 | ||
569ee3f8 | 101 | gmitid(); |
c16914a2 | 102 | |
569ee3f8 | 103 | while (dolook()) { |
104 | ntimes++; | |
105 | if (ntimes > 3) { | |
ce36e992 | 106 | display_text_line(0); |
569ee3f8 | 107 | display_text_line("Sorry, you still cannot be found in the database."); |
108 | display_text_line(" "); | |
ce36e992 | 109 | display_text_line("Please call the account administrator at x3-1325 for help."); |
110 | wait_for_user(); | |
569ee3f8 | 111 | break; |
112 | } | |
113 | display_text_line(0); /* clear the window */ | |
ce36e992 | 114 | display_text_line("You could not be found in the database."); |
569ee3f8 | 115 | display_text_line("Do you want to change some input (for example, the spelling"); |
116 | display_text_line("of part of your name) and try again?"); | |
117 | if (askyn("Do you want to try again ? ") == YES) { | |
118 | reencrypt = 0; | |
119 | display_text_line(0); | |
120 | sprintf(line, | |
121 | "You entered your first name as \"%s\"", user.u_first); | |
122 | display_text_line(line); | |
123 | if (askyn("Do you want to change it? ") == YES) { | |
124 | gfirst(); | |
c16914a2 | 125 | strcpy(tmpfirst, user.u_first); |
126 | strcpy(tmplast, user.u_last); | |
127 | FixName(tmplast, tmpfirst, user.u_last, user.u_first, tmpmid); | |
128 | redisp(); | |
569ee3f8 | 129 | reencrypt = 1; |
130 | } | |
131 | display_text_line(0); | |
132 | sprintf(line, | |
133 | "You entered your middle initial as \"%s\"", user.u_mid_init); | |
134 | display_text_line(line); | |
135 | if (askyn("Do you want to change it? ") == YES) | |
136 | gmi(); | |
137 | display_text_line(0); | |
138 | sprintf(line, | |
f05412e4 | 139 | "You entered your family name as \"%s\"", user.u_last); |
569ee3f8 | 140 | display_text_line(line); |
141 | if (askyn("Do you want to change it? ") == YES) { | |
142 | glast(); | |
c16914a2 | 143 | strcpy(tmpfirst, user.u_first); |
144 | strcpy(tmplast, user.u_last); | |
145 | FixName(tmplast, tmpfirst, user.u_last, user.u_first, tmpmid); | |
146 | redisp(); | |
569ee3f8 | 147 | reencrypt = 1; |
148 | } | |
149 | display_text_line(0); | |
150 | sprintf(line, | |
151 | "You entered your MIT id number as \"%s\"", typed_mit_id); | |
152 | display_text_line(line); | |
153 | if (askyn("Do you want to change it? ") == YES) { | |
154 | gmitid(); | |
155 | reencrypt = 0; | |
156 | } | |
157 | if (reencrypt) { | |
158 | encrypt_mitid(); | |
159 | } | |
160 | } else | |
161 | break; | |
162 | } | |
163 | if (!user_is_valid || already_registered) { | |
164 | qexit(); | |
165 | continue; | |
166 | } | |
167 | redisp(); | |
6f742fd0 | 168 | if (!user_has_login) { |
169 | if (negotiate_login() == -1) { | |
170 | qexit(); | |
171 | continue; | |
172 | } | |
173 | } | |
174 | if (negotiate_passwd() == -1) { | |
569ee3f8 | 175 | qexit(); |
176 | continue; | |
177 | } | |
178 | sleep(1); | |
179 | display_text_line(0); | |
180 | display_text_line("You are now registered to get an Athena account."); | |
181 | sprintf(line, "Please remember your username of \"%s\" and the password", | |
182 | user.u_login); | |
183 | display_text_line(line); | |
184 | display_text_line("you typed in earlier."); | |
c16914a2 | 185 | display_text_line(""); |
186 | display_text_line("Your account should be created within about 12 hours\n"); | |
187 | ||
569ee3f8 | 188 | display_text_line(""); |
189 | display_text_line("You are now finished. Thank you!"); | |
ce36e992 | 190 | wait_for_user(); |
569ee3f8 | 191 | qexit(); |
192 | } while (getuid() == 0);/* Loop forever if we're root */ | |
193 | restore_display(); | |
194 | exit(0); | |
989a2c2c | 195 | } |
196 | ||
569ee3f8 | 197 | reset() |
198 | { | |
199 | reset_display(); | |
200 | bzero(&user, sizeof(user)); | |
201 | user_is_valid = 0; | |
202 | already_registered = 0; | |
203 | redisp(); | |
989a2c2c | 204 | } |
205 | ||
569ee3f8 | 206 | dolook() |
207 | { | |
208 | /* do the database lookup */ | |
989a2c2c | 209 | |
569ee3f8 | 210 | char line[100]; |
211 | register int result; | |
212 | if (user_is_valid) { | |
213 | /* !! */ | |
214 | return (0); | |
215 | } | |
216 | display_text_line(0); | |
ce36e992 | 217 | display_text_line("Looking you up in the database.... This may take from 30 seconds to 10"); |
218 | display_text_line("minutes, depending on how busy the system is at the moment."); | |
6f742fd0 | 219 | |
c16914a2 | 220 | timer_off(); |
6f742fd0 | 221 | result = verify_user(user.u_first, user.u_last, |
222 | typed_mit_id, user.u_mit_id, db_user.u_login); | |
ce36e992 | 223 | wfeep(); |
224 | display_text_line(0); | |
c16914a2 | 225 | timer_on(); |
6f742fd0 | 226 | switch(result) { |
227 | case 0: | |
228 | display_text_line("You have been located in the user registration database."); | |
229 | user_is_valid = 1; | |
230 | user_has_login = 0; | |
231 | sleep(1); | |
232 | return 0; | |
233 | case UREG_NO_PASSWD_YET: | |
234 | user_is_valid = 1; | |
235 | user_has_login = 1; | |
236 | display_text_line ("You have chosen a login name, but you have not yet chosen a password."); | |
237 | sprintf(line, "Remember: the username you chose was '%s'", | |
238 | db_user.u_login); | |
239 | strcpy(user.u_login, db_user.u_login); | |
240 | display_text_line(line); | |
241 | redisp(); | |
242 | sleep(5); | |
243 | return (0); | |
244 | ||
245 | case UREG_ALREADY_REGISTERED: | |
246 | already_registered = 1; | |
247 | /* | |
248 | * we have to reset this so we dont ask for a | |
249 | * new username | |
250 | */ | |
251 | user_is_valid = 0; | |
252 | display_text_line("You are already registered. An account for you probably already exists"); | |
253 | display_text_line("(if not, it will appear within 12 hours)."); | |
254 | display_text_line(""); | |
255 | display_text_line("Refer to the documents 'Essential Athena' and 'Essential Unix'"); | |
256 | strcpy(user.u_login, db_user.u_login); | |
257 | sprintf(line, "for help logging in. Remember, the username you chose was '%s'", | |
258 | db_user.u_login); | |
259 | display_text_line(line); | |
260 | redisp(); | |
ce36e992 | 261 | wait_for_user(); |
6f742fd0 | 262 | return (0); |
b92a6895 | 263 | case UREG_DELETED: |
264 | display_text(DELETED_ACCT); | |
ce36e992 | 265 | wait_for_user(); |
b92a6895 | 266 | restore_display(); |
267 | exit(0); | |
268 | case UREG_NOT_ALLOWED: | |
269 | display_text(NOT_ALLOWED); | |
ce36e992 | 270 | wait_for_user(); |
b92a6895 | 271 | restore_display(); |
272 | exit(0); | |
273 | case UREG_KRB_TAKEN: | |
274 | display_text(IMPROPER_LOGIN); | |
ce36e992 | 275 | wait_for_user(); |
b92a6895 | 276 | return(0); |
6f742fd0 | 277 | case UREG_USER_NOT_FOUND: |
278 | return (1); | |
c16914a2 | 279 | |
6f742fd0 | 280 | case ECONNREFUSED: |
c16914a2 | 281 | case ETIMEDOUT: |
b92a6895 | 282 | case UREG_MISC_ERROR: |
569ee3f8 | 283 | display_text(NETWORK_DOWN); |
ce36e992 | 284 | wait_for_user(); |
6f742fd0 | 285 | return (0); |
286 | ||
287 | default: | |
288 | display_text_line("An unexpected error occurred while trying to access the database"); | |
289 | display_text_line(error_message(result)); | |
290 | redisp(); | |
ce36e992 | 291 | wait_for_user(); |
6f742fd0 | 292 | return(1); |
989a2c2c | 293 | } |
989a2c2c | 294 | } |
295 | ||
6f742fd0 | 296 | negotiate_login() |
569ee3f8 | 297 | { |
b92a6895 | 298 | register int result; |
569ee3f8 | 299 | char line[100]; |
300 | char old_login[LOGIN_SIZE]; | |
f05412e4 | 301 | char realm[REALM_SZ]; |
6f742fd0 | 302 | int i; |
c16914a2 | 303 | char *cp; |
6f742fd0 | 304 | |
569ee3f8 | 305 | display_text(USERNAME_BLURB); |
c16914a2 | 306 | cp = user.u_login; |
307 | if (isalpha(user.u_first[0])) | |
308 | *cp++ = user.u_first[0]; | |
309 | if (isalpha(user.u_mid_init[0])) | |
310 | *cp++ = user.u_mid_init[0]; | |
311 | ||
312 | for (i = 0; user.u_last[i] && cp - user.u_login < 8; i++) { | |
313 | if (isalpha(user.u_last[i])) *cp++ = user.u_last[i]; | |
314 | } | |
315 | ||
6f742fd0 | 316 | for (i=0; user.u_login[i]; i++) |
317 | if (isupper(user.u_login[i])) | |
318 | user.u_login[i]=tolower(user.u_login[i]); | |
319 | ||
569ee3f8 | 320 | strcpy(old_login, user.u_login); |
321 | sprintf(line, "We suggest the username '%s'.", user.u_login); | |
322 | display_text_line(line); | |
323 | display_text_line( | |
ce36e992 | 324 | "If you are sure you would prefer another username, feel free to enter"); |
569ee3f8 | 325 | display_text_line( |
ce36e992 | 326 | "a different one, but keep in mind that it will remain with you for all the "); |
6f742fd0 | 327 | display_text_line("time you are at MIT."); |
569ee3f8 | 328 | |
569ee3f8 | 329 | while (1) { |
330 | glogin(); | |
6f742fd0 | 331 | |
569ee3f8 | 332 | display_text_line(0); |
ce36e992 | 333 | display_text_line("Trying to assign that username... This may take a few minutes."); |
c16914a2 | 334 | timer_off(); |
6f742fd0 | 335 | /* |
336 | * Rather than bother SMS with a bunch of different | |
337 | * usernames, all in use, we first try and see if this | |
338 | * guy is known to Kerberos. | |
339 | */ | |
f05412e4 | 340 | if ((result = get_krbrlm(realm, 1)) != KSUCCESS) { |
b92a6895 | 341 | display_text_line("System error, please try another workstation."); |
f05412e4 | 342 | continue; |
343 | } | |
ce36e992 | 344 | result = get_in_tkt(user.u_login, "", realm, "krbtgt", realm, 1, ""); |
c16914a2 | 345 | timer_on(); |
6f742fd0 | 346 | if (result != KDC_PR_UNKNOWN) { |
347 | in_use: | |
569ee3f8 | 348 | strcpy(user.u_login, old_login); |
349 | redisp(); | |
ce36e992 | 350 | display_text_line("That username is already taken. Please try again with a different username"); |
569ee3f8 | 351 | continue; |
569ee3f8 | 352 | } |
c16914a2 | 353 | |
6f742fd0 | 354 | /* |
355 | * If he isn't, let's try through SMS. | |
356 | */ | |
c16914a2 | 357 | timer_off(); |
6f742fd0 | 358 | result = grab_login(user.u_first, user.u_last, |
359 | typed_mit_id, user.u_mit_id, | |
360 | user.u_login); | |
ce36e992 | 361 | wfeep(); |
c16914a2 | 362 | timer_on(); |
6f742fd0 | 363 | if (result != 0) { |
ce36e992 | 364 | char buf[BUFSIZ]; |
365 | ||
6f742fd0 | 366 | if (result == UREG_LOGIN_USED) goto in_use; |
367 | display_text(NETWORK_DOWN); | |
ce36e992 | 368 | display_text_line(" "); |
369 | sprintf(buf, "The specific error was: %s", | |
370 | error_message(result)); | |
371 | display_text_line(buf); | |
372 | wait_for_user(); | |
6f742fd0 | 373 | return (qexit()); |
374 | } else break; | |
569ee3f8 | 375 | } |
569ee3f8 | 376 | /* at this point we have successfully negotiated a username */ |
377 | ||
6f742fd0 | 378 | sprintf(line, "O.K. your username will be \"%s\".", user.u_login); |
569ee3f8 | 379 | display_text_line(0); |
380 | display_text_line(line); | |
381 | redisp(); | |
382 | sleep(3); | |
6f742fd0 | 383 | return 0; |
384 | } | |
385 | negotiate_passwd() | |
386 | { | |
569ee3f8 | 387 | display_text_line(0); |
388 | display_text(PASSWORD_BLURB); | |
6f742fd0 | 389 | |
569ee3f8 | 390 | gpass(); |
6f742fd0 | 391 | display_text_line("Storing password in the database... This may take a few minutes."); |
569ee3f8 | 392 | if (do_replace()) { |
393 | return (-1); | |
394 | } | |
395 | display_text_line("done."); | |
b92a6895 | 396 | return(0); |
989a2c2c | 397 | } |
398 | ||
569ee3f8 | 399 | gfirst() |
400 | { | |
401 | /* input the first name */ | |
ce36e992 | 402 | char buf[FIRST_NAME_SIZE+2]; |
569ee3f8 | 403 | |
404 | signal(SIGALRM, restart); | |
ce36e992 | 405 | input("Enter first Name:", buf, FIRST_NAME_SIZE+1, |
406 | FIRSTNAME_TIMEOUT, TRUE); | |
569ee3f8 | 407 | strncpy(user.u_first, buf, FIRST_NAME_SIZE); |
408 | user.u_first[FIRST_NAME_SIZE - 1] = '\0'; | |
6f742fd0 | 409 | canon_name(user.u_first); |
569ee3f8 | 410 | redisp(); |
411 | } | |
989a2c2c | 412 | |
569ee3f8 | 413 | glast() |
414 | { | |
415 | /* input the last name */ | |
ce36e992 | 416 | char buf[LAST_NAME_SIZE+2]; |
569ee3f8 | 417 | |
418 | signal(SIGALRM, restart); | |
ce36e992 | 419 | input("Enter family Name:", buf, LAST_NAME_SIZE+1, |
420 | LASTNAME_TIMEOUT, FALSE); | |
569ee3f8 | 421 | strncpy(user.u_last, buf, LAST_NAME_SIZE); |
422 | user.u_last[LAST_NAME_SIZE - 1] = '\0'; | |
6f742fd0 | 423 | canon_name(user.u_last); |
569ee3f8 | 424 | redisp(); |
989a2c2c | 425 | } |
426 | ||
569ee3f8 | 427 | gpass() |
428 | { | |
429 | /* input password */ | |
569ee3f8 | 430 | char new_password[PASSWORD_SIZE]; |
431 | char new_password_again[PASSWORD_SIZE]; | |
432 | ||
569ee3f8 | 433 | do_input: |
434 | signal(SIGALRM, restart); | |
435 | input_no_echo("Enter password:", new_password, | |
436 | PASSWORD_SIZE, NEW_PASSWORD_TIMEOUT); | |
437 | if (strlen(new_password) < 4) { | |
438 | display_text_line("Please use a password of at least 4 characters."); | |
439 | goto do_input; | |
440 | } | |
441 | signal(SIGALRM, restart); | |
442 | input_no_echo("Enter password again:", new_password_again, | |
443 | PASSWORD_SIZE, REENTER_PASSWORD_TIMEOUT); | |
444 | if (strcmp(new_password, new_password_again)) { | |
445 | display_text_line("Sorry, the two passwords you just typed in don't match."); | |
446 | display_text_line("Please try again."); | |
447 | goto do_input; | |
448 | } | |
569ee3f8 | 449 | |
6f742fd0 | 450 | strcpy(user.u_password, new_password); |
569ee3f8 | 451 | redisp(); |
989a2c2c | 452 | } |
453 | ||
569ee3f8 | 454 | glogin() |
455 | { | |
456 | /* get login name */ | |
457 | register int i; | |
ce36e992 | 458 | char buf[LOGIN_SIZE+2]; |
569ee3f8 | 459 | register char *nbuf = buf; |
460 | ||
461 | input_login: | |
462 | i = 0; | |
463 | user.u_login[0] = '\0'; | |
464 | nbuf = &buf[0]; | |
465 | signal(SIGALRM, restart); | |
ce36e992 | 466 | input("Enter username:", buf, LOGIN_SIZE+1, USERNAME_TIMEOUT, FALSE); |
467 | if (!islower(*nbuf) && !isdigit(*nbuf)) { | |
468 | display_text_line("Your username must start with a letter or number."); | |
469 | goto input_login; | |
470 | } | |
569ee3f8 | 471 | while (*nbuf != '\0') { |
22c45376 | 472 | if (!islower(*nbuf) && !isdigit(*nbuf) |
473 | && (*nbuf != '_') && (*nbuf != '.')) { | |
569ee3f8 | 474 | display_text_line("Your username must be all lowercase alphabetic characters."); |
475 | goto input_login; | |
476 | } | |
477 | user.u_login[i] = *nbuf++; | |
478 | i++; | |
479 | if (i > LOGIN_SIZE - 1) { | |
480 | display_text_line("Your username must be no more than 8 characters long."); | |
481 | goto input_login; | |
482 | } | |
483 | } | |
484 | if (i != 0) { | |
485 | user.u_login[i] = '\0'; | |
486 | } | |
c16914a2 | 487 | if (strlen(user.u_login) < 3) { |
488 | display_text_line("Your username must be 3 or more characters long.\n"); | |
569ee3f8 | 489 | goto input_login; |
490 | } | |
569ee3f8 | 491 | redisp(); |
989a2c2c | 492 | } |
493 | ||
569ee3f8 | 494 | gmitid() |
495 | { | |
496 | /* get mid id */ | |
497 | register int i; | |
ce36e992 | 498 | char buf[15]; |
569ee3f8 | 499 | register char *nbuf = buf; |
500 | ||
501 | input_mit_id: | |
502 | signal(SIGALRM, restart); | |
ce36e992 | 503 | input("Enter MIT Id:", buf, 14, MITID_TIMEOUT, FALSE); |
569ee3f8 | 504 | i = 0; |
505 | nbuf = &buf[0]; | |
506 | while (*nbuf != '\0') { | |
507 | if (*nbuf == ' ' || *nbuf == '-') { | |
508 | nbuf++; | |
509 | continue; | |
510 | } | |
511 | if (!isdigit(*nbuf)) { | |
512 | i = 0; | |
513 | break; | |
514 | } | |
515 | typed_mit_id[i] = *nbuf; | |
516 | nbuf++; | |
517 | i++; | |
518 | } | |
519 | if (i != 9) { | |
520 | display_text_line( | |
521 | "Your MIT id must be a nine-digit number. Please try again."); | |
522 | goto input_mit_id; | |
523 | } | |
524 | typed_mit_id[9] = '\0'; | |
525 | redisp(); | |
526 | encrypt_mitid(); | |
989a2c2c | 527 | } |
528 | ||
569ee3f8 | 529 | encrypt_mitid() |
530 | { | |
531 | char salt[3]; | |
989a2c2c | 532 | |
569ee3f8 | 533 | make_salt(salt, user.u_first, user.u_last); |
534 | strcpy(user.u_mit_id, crypt(&typed_mit_id[2], salt)); | |
989a2c2c | 535 | } |
536 | ||
537 | ||
538 | #define _tolower(c) ((c)|0x60) | |
539 | ||
569ee3f8 | 540 | make_salt(salt, first, last) |
541 | char *salt, *first, *last; | |
989a2c2c | 542 | { |
569ee3f8 | 543 | salt[0] = _tolower(last[0]); |
544 | salt[1] = _tolower(first[0]); | |
989a2c2c | 545 | } |
546 | ||
547 | ||
569ee3f8 | 548 | gmi() |
549 | { | |
550 | /* get middle initial */ | |
ce36e992 | 551 | char buf[MID_INIT_SIZE+2]; |
569ee3f8 | 552 | |
553 | signal(SIGALRM, restart); | |
ce36e992 | 554 | input("Enter Middle Initial:", buf, MID_INIT_SIZE+1, MI_TIMEOUT, TRUE); |
569ee3f8 | 555 | strncpy(user.u_mid_init, buf, MID_INIT_SIZE); |
556 | user.u_mid_init[MID_INIT_SIZE - 1] = '\0'; | |
6f742fd0 | 557 | canon_name(user.u_mid_init); |
569ee3f8 | 558 | redisp(); |
989a2c2c | 559 | } |
560 | ||
569ee3f8 | 561 | qexit() |
562 | { | |
563 | /* exit quickly, not saving anything in the database */ | |
564 | bzero(&user, sizeof(user)); | |
565 | typed_mit_id[0] = '\0'; | |
566 | user_is_valid = 0; | |
567 | already_registered = 0; | |
ce36e992 | 568 | sleep(2); /* give the user a chance to see the screen */ |
569ee3f8 | 569 | display_text_line(0); |
570 | return (EXIT); | |
989a2c2c | 571 | } |
572 | ||
573 | ||
569ee3f8 | 574 | do_replace() |
575 | { | |
6f742fd0 | 576 | int status; |
577 | ||
569ee3f8 | 578 | /* |
579 | * replaces a user in the database. If there is an error, it informs | |
580 | * the user and calls qexit(); It returns only if is is successful | |
581 | */ | |
c16914a2 | 582 | timer_off(); |
6f742fd0 | 583 | status = set_password(user.u_first, user.u_last, typed_mit_id, |
c16914a2 | 584 | user.u_mit_id, user.u_password); |
ce36e992 | 585 | wfeep(); |
c16914a2 | 586 | timer_on(); |
6f742fd0 | 587 | if (status) { |
588 | display_text (NETWORK_DOWN); | |
569ee3f8 | 589 | return (-1); |
6f742fd0 | 590 | } else return 0; |
989a2c2c | 591 | } |
592 | ||
593 | #define _toupper(c) ((c) & ~0x20) | |
594 | ||
569ee3f8 | 595 | lenient_strcmp(string1, string2) |
596 | register char *string1, *string2; | |
989a2c2c | 597 | { |
569ee3f8 | 598 | /* |
599 | * a primitive case insensitive string comparison. It returns only 0 | |
600 | * if the strings are equal (ignoring case) and 1 if they are | |
601 | * different. Also ignores spaces. | |
602 | */ | |
603 | ||
604 | while (1) { | |
605 | if (*string1 == '\0' && *string2 == '\0') { | |
606 | return (0); | |
607 | } | |
608 | if (*string1 == ' ' || *string1 == '.' || *string1 == '-' || *string1 == '\'') { | |
609 | string1++; | |
610 | continue; | |
611 | } | |
612 | if (*string2 == ' ' || *string2 == '.' || *string2 == '-' || *string2 == '\'') { | |
613 | string2++; | |
614 | continue; | |
615 | } | |
616 | if (_toupper(*string1) != _toupper(*string2)) { | |
617 | return (1); | |
618 | } | |
619 | string1++; | |
620 | string2++; | |
621 | } | |
989a2c2c | 622 | } |
623 | ||
569ee3f8 | 624 | /* |
625 | * Input timeout handler. Loop back to asking for the first name. | |
989a2c2c | 626 | */ |
627 | ||
628 | restart() | |
629 | /* Go to asking for first name. */ | |
630 | { | |
569ee3f8 | 631 | qexit(); |
632 | longjmp(redo); | |
989a2c2c | 633 | } |
6f742fd0 | 634 | |
635 | canon_name(cp) | |
636 | register char *cp; | |
637 | { | |
638 | register char *p2 = cp; | |
639 | ||
640 | /* Trim whitespace off both ends. */ | |
641 | for (; *p2 && isspace(*p2); p2++) ; | |
642 | if (*p2) { | |
643 | strcpy(cp, p2); | |
644 | p2 = cp + strlen(cp); | |
645 | --p2; | |
646 | while (p2 >= cp && isspace(*p2)) *(--p2) = '\0'; | |
647 | } | |
648 | /* Make it capitalized */ | |
649 | for (p2=cp; *p2; p2++) { | |
650 | if (isupper(*p2)) *p2 = tolower(*p2); | |
651 | } | |
652 | if (islower(*cp)) *cp=toupper(*cp); | |
653 | } |