/* getpass.c -- get password from user */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 1998-2007 The OpenLDAP Foundation. * Portions Copyright 1998-2003 Kurt D. Zeilenga. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted only as authorized by the OpenLDAP * Public License. * * A copy of this license is available in the file LICENSE in the * top-level directory of the distribution or, alternatively, at * . */ /* Portions Copyright (c) 1992, 1993 Regents of the University of Michigan. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that this notice is preserved and that due credit is given * to the University of Michigan at Ann Arbor. The name of the University * may not be used to endorse or promote products derived from this * software without specific prior written permission. This software * is provided ``as is'' without express or implied warranty. */ /* This work was originally developed by the University of Michigan * and distributed as part of U-MICH LDAP. It was adapted for use in * -llutil by Kurt D. Zeilenga. */ #include "portable.h" #include #include #include #include #include #include #include #include #ifdef NEED_GETPASSPHRASE #ifdef HAVE_FCNTL_H #include #endif #ifdef HAVE_CONIO_H #include #endif #include #include #include "ldap_defaults.h" char * lutil_getpass( const char *prompt ) { #if !defined(HAVE_TERMIOS_H) && !defined(HAVE_SGTTY_H) static char buf[256]; int i, c; if( prompt == NULL ) prompt = _("Password: "); #ifdef DEBUG if (debug & D_TRACE) printf("->getpass(%s)\n", prompt); #endif printf("%s", prompt); i = 0; while ( (c = getch()) != EOF && c != '\n' && c != '\r' ) buf[i++] = c; if ( c == EOF ) return( NULL ); buf[i] = '\0'; return (buf); #else int no_pass = 0; char i, j, k; TERMIO_TYPE ttyb; TERMFLAG_TYPE flags; static char pbuf[513]; register char *p; register int c; FILE *fi; RETSIGTYPE (*sig)( int sig ); if( prompt == NULL ) prompt = _("Password: "); #ifdef DEBUG if (debug & D_TRACE) printf("->getpass(%s)\n", prompt); #endif /* * Stolen from the getpass() routine. Can't use the plain * getpass() for two reasons. One is that LDAP passwords * can be really, really long - much longer than 8 chars. * The second is that we like to make this client available * out of inetd via a Merit asynch port, and we need to be * able to do telnet control codes to turn on and off line * blanking. */ if ((fi = fdopen(open("/dev/tty", 2), "r")) == NULL) fi = stdin; else setbuf(fi, (char *)NULL); sig = SIGNAL (SIGINT, SIG_IGN); if (fi != stdin) { if (GETATTR(fileno(fi), &ttyb) < 0) perror("GETATTR"); } flags = GETFLAGS( ttyb ); SETFLAGS( ttyb, flags & ~ECHO ); if (fi != stdin) { if (SETATTR(fileno(fi), &ttyb) < 0) perror("SETATTR"); } /* blank the line if through Merit */ if (fi == stdin) { printf("%c%c%c", 255, 251, 1); fflush(stdout); (void) scanf("%c%c%c", &i, &j, &k); fflush(stdin); } /* fetch the password */ fprintf(stdout, "%s", prompt); fflush(stdout); for (p=pbuf; (c = getc(fi))!='\n' && c!=EOF;) { if (c == '\r') break; if (p < &pbuf[512]) *p++ = c; } if (c == EOF) no_pass = 1; else { *p = '\0'; if (*(p - 1) == '\r') *(p - 1) = '\0'; } /* unblank the line if through Merit */ if (fi == stdin) { printf("%c%c%c", 255, 252, 1); fflush(stdout); (void) scanf("%c%c%c", &i, &j, &k); fflush(stdin); printf("\n"); fflush(stdout); } fprintf(stdout, "\n"); fflush(stdout); /* tidy up */ SETFLAGS( ttyb, flags ); if (fi != stdin) { if (SETATTR(fileno(fi), &ttyb) < 0) perror("SETATTR"); } (void) SIGNAL (SIGINT, sig); if (fi != stdin) (void) fclose(fi); else i = getchar(); if (no_pass) return(NULL); return(pbuf); #endif } #endif /* !NEED_GETPASSPHRASE */