3 * Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
6 * For copying and distribution information, please see the file
9 * This routine prints the supplied string to standard
10 * output as a prompt, and reads a password string without
14 #include <afs/param.h>
15 #include <mit-cpyright.h>
20 #if defined(AFS_SUN5_ENV)
29 #if defined(AFS_FBSD_ENV)
32 #include <sys/ioctl.h>
37 #if defined(AFS_SGI_ENV) || defined(AFS_LINUX20_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
44 #include <sys/ttold.h>
49 #if defined(AFS_SUN_ENV) && !defined(AFS_SUN5_ENV)
53 #if defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
61 #if defined(AFS_SGI_ENV) || defined (AFS_AIX_ENV) /*|| defined (AFS_HPUX_ENV) || defined(AFS_SUN5_ENV)*/
76 static sigtype sig_restore();
77 static push_signals(), pop_signals();
80 int des_read_pw_string(char *, int, char *, int);
81 int des_string_to_key(char *, des_cblock *);
83 /*** Routines ****************************************************** */
85 des_read_password(k,prompt,verify)
91 char key_string[BUFSIZ];
100 ok = des_read_pw_string(key_string, BUFSIZ, prompt, verify);
102 des_string_to_key(key_string, k);
107 bzero(key_string, sizeof (key_string));
111 #if defined (AFS_AIX_ENV) || defined (AFS_HPUX_ENV) || defined(AFS_SGI_ENV) || defined(AFS_SUN_ENV) || defined(AFS_LINUX20_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
112 static void catch(int);
115 #if !defined(BSDUNIX) && (defined(AFS_AIX_ENV) || defined (AFS_HPUX_ENV) || defined(AFS_SGI_ENV) || defined(AFS_LINUX20_ENV))
120 * This version just returns the string, doesn't map to key.
122 * Returns 0 on success, non-zero on failure.
125 des_read_pw_string(s,maxa,prompt,verify)
133 #if defined(AFS_HPUX_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
135 struct sigaction newsig, oldsig;
136 struct termios save_ttyb, ttyb;
138 #if defined(AFS_DARWIN_ENV)
141 #if defined(AFS_SUN_ENV) && !defined(AFS_SUN5_ENV)
143 struct sigaction osa, sa;
148 struct sgttyb tty_state, echo_off_tty_state;
151 #if defined (AFS_AIX_ENV) || defined (AFS_HPUX_ENV) || defined(AFS_SGI_ENV) || defined(AFS_LINUX20_ENV)
156 extern void setbuf();
157 extern int kill(), fclose();
162 DWORD oldConMode, newConMode;
163 BOOL resetConMode = FALSE;
165 char key_string[BUFSIZ];
171 #if defined(AFS_HPUX_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
172 if ((fi = fopen("/dev/tty", "r")) == NULL)
174 setbuf(fi, (char *)NULL); /* We don't want any buffering for our i/o. */
176 * Install signal handler for SIGINT so that we can restore
177 * the tty settings after we change them. The handler merely
178 * increments the variable "intrupt" to tell us that an
179 * interrupt signal was received.
181 newsig.sa_handler = catch;
182 sigemptyset(&newsig.sa_mask);
184 sigaction(SIGINT, &newsig, &oldsig);
188 * Get the terminal characters (save for later restoration) and
189 * reset them so that echo is off
192 tcgetattr(fno, &ttyb);
194 ttyb.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL);
195 tcsetattr(fno, TCSAFLUSH, &ttyb);
197 #if defined(AFS_SUN_ENV) && !defined(AFS_SUN5_ENV)
198 if((fi = fopen("/dev/tty", "r")) == NULL) {
202 setbuf(fi, (char*)NULL);
203 sa.sa_handler = catch;
205 sa.sa_flags = SA_INTERRUPT;
206 (void) sigaction(SIGINT, &sa, &osa);
208 (void) ioctl(fileno(fi), TCGETS, &ttyb);
209 flags = ttyb.c_lflag;
210 ttyb.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL);
211 (void) ioctl(fileno(fi), TCSETSF, &ttyb);
214 /* XXX assume jmp_buf is typedef'ed to an array */
215 bcopy((char *)old_env, (char *)env, sizeof(env));
218 /* save terminal state*/
219 if (ioctl(0,TIOCGETP,(char *)&tty_state) == -1)
223 bcopy (&tty_state, &echo_off_tty_state, sizeof (tty_state));
224 echo_off_tty_state.sg_flags &= ~ECHO;
225 if (ioctl(0,TIOCSETP,(char *)&echo_off_tty_state) == -1)
228 #if defined (AFS_AIX_ENV) || defined (AFS_HPUX_ENV) || defined(AFS_SGI_ENV) || defined(AFS_LINUX20_ENV)
229 if((fi = fopen("/dev/tty", "r+")) == NULL)
232 setbuf(fi, (char*)NULL);
233 sig = signal(SIGINT, catch);
235 (void) ioctl(fileno(fi), TCGETA, &ttyb);
238 flags = ttyb.c_lflag;
239 ttyb.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL);
240 (void) ioctl(fileno(fi), TCSETAF, &ttyb);
243 /* turn off console input echoing */
244 if ((hConStdin = GetStdHandle(STD_INPUT_HANDLE)) != INVALID_HANDLE_VALUE) {
245 if (GetConsoleMode(hConStdin, &oldConMode)) {
246 newConMode = (oldConMode & ~(ENABLE_ECHO_INPUT));
247 if (SetConsoleMode(hConStdin, newConMode)) {
258 (void) printf(prompt);
259 (void) fflush(stdout);
261 h19line(s,sizeof(s),0);
265 if (!fgets(s, maxa, stdin)) {
270 * Otherwise hitting ctrl-d will always leave us inside this loop forever!
276 if ((ptr = index(s, '\n')))
280 printf("\nVerifying, please re-enter %s",prompt);
281 (void) fflush(stdout);
283 h19line(key_string,sizeof(key_string),0);
284 if (!strlen(key_string))
287 if (!fgets(key_string, sizeof(key_string), stdin)) {
291 if ((ptr = index(key_string, '\n')))
294 if (strcmp(s,key_string)) {
295 printf("\n\07\07Mismatch - try again\n");
296 (void) fflush(stdout);
311 * Restore the terminal to its previous characteristics.
312 * Restore the old signal handler for SIGINT.
314 tcsetattr(fno, TCSANOW, &save_ttyb);
315 sigaction(SIGINT, &oldsig, (struct sigaction *)0);
320 * If we got a SIGINT while we were doing things, send the SIGINT
321 * to ourselves so that the calling program receives it (since we
322 * were intercepting it for a period of time.)
325 kill(getpid(), SIGINT);
327 #if defined(AFS_SUN_ENV) && !defined(AFS_SUN5_ENV)
328 ttyb.c_lflag = flags;
329 (void) ioctl(fileno(fi), TCSETSW, &ttyb);
330 (void) sigaction(SIGINT, &osa, (struct sigaction *)NULL);
335 if (ioctl(0,TIOCSETP,(char *)&tty_state))
338 bcopy((char *)env, (char *)old_env, sizeof(env));
340 #if defined (AFS_AIX_ENV) /*|| defined (AFS_HPUX_ENV)*/ || defined(AFS_SGI_ENV) || defined(AFS_LINUX20_ENV)
341 ttyb.c_lflag = flags;
343 (void) ioctl(fileno(fi), TCSETAW, &ttyb);
344 (void) signal(SIGINT, sig);
348 (void) kill(getpid(), SIGINT);
351 /* restore console to original mode settings */
353 (void)SetConsoleMode(hConStdin, oldConMode);
361 bzero(key_string, sizeof (key_string));
362 s[maxa-1] = 0; /* force termination */
363 return !ok; /* return nonzero if not okay */
368 * this can be static since we should never have more than
372 void static (*old_sigfunc[NSIG])();
374 static sigtype (*old_sigfunc[NSIG])();
377 static push_signals()
380 for (i = 0; i < NSIG; i++)
381 old_sigfunc[i] = signal(i,sig_restore);
387 for (i = 0; i < NSIG; i++)
388 (void) signal(i,old_sigfunc[i]);
399 #if defined (AFS_AIX_ENV) || defined (AFS_HPUX_ENV) || defined(AFS_SGI_ENV) || defined(AFS_SUN_ENV) || defined(AFS_LINUX20_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)