diff options
Diffstat (limited to 'replace/getpass.c')
| -rw-r--r-- | replace/getpass.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/replace/getpass.c b/replace/getpass.c deleted file mode 100644 index 0be618fc9..000000000 --- a/replace/getpass.c +++ /dev/null @@ -1,222 +0,0 @@ -/* Copyright (C) 1992-1998 Free Software Foundation, Inc. -This file is part of the GNU C Library. - -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Lesser General Public License as -published by the Free Software Foundation; either version 3 of the -License, or (at your option) any later version. - -The GNU C Library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Library General Public License for more details. - -You should have received a copy of the GNU Lesser General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, see <http://www.gnu.org/licenses/>. */ - -/* Modified to use with samba by Jeremy Allison, 8th July 1995. */ - -#include "replace.h" -#include "system/filesys.h" -#include "system/wait.h" -#include "system/terminal.h" -#include "system/passwd.h" - -/* - * Define additional missing types - */ -#ifndef HAVE_SIG_ATOMIC_T_TYPE -typedef int sig_atomic_t; -#endif - -#ifndef SIGCLD -#define SIGCLD SIGCHLD -#endif - -#ifndef SIGNAL_CAST -#define SIGNAL_CAST (RETSIGTYPE (*)(int)) -#endif - -#ifdef SYSV_TERMIO - -/* SYSTEM V TERMIO HANDLING */ - -static struct termio t; - -#define ECHO_IS_ON(t) ((t).c_lflag & ECHO) -#define TURN_ECHO_OFF(t) ((t).c_lflag &= ~ECHO) -#define TURN_ECHO_ON(t) ((t).c_lflag |= ECHO) - -#ifndef TCSAFLUSH -#define TCSAFLUSH 1 -#endif - -#ifndef TCSANOW -#define TCSANOW 0 -#endif - -static int tcgetattr(int fd, struct termio *_t) -{ - return ioctl(fd, TCGETA, _t); -} - -static int tcsetattr(int fd, int flags, struct termio *_t) -{ - if(flags & TCSAFLUSH) - ioctl(fd, TCFLSH, TCIOFLUSH); - return ioctl(fd, TCSETS, _t); -} - -#elif !defined(TCSAFLUSH) - -/* BSD TERMIO HANDLING */ - -static struct sgttyb t; - -#define ECHO_IS_ON(t) ((t).sg_flags & ECHO) -#define TURN_ECHO_OFF(t) ((t).sg_flags &= ~ECHO) -#define TURN_ECHO_ON(t) ((t).sg_flags |= ECHO) - -#define TCSAFLUSH 1 -#define TCSANOW 0 - -static int tcgetattr(int fd, struct sgttyb *_t) -{ - return ioctl(fd, TIOCGETP, (char *)_t); -} - -static int tcsetattr(int fd, int flags, struct sgttyb *_t) -{ - return ioctl(fd, TIOCSETP, (char *)_t); -} - -#else /* POSIX TERMIO HANDLING */ -#define ECHO_IS_ON(t) ((t).c_lflag & ECHO) -#define TURN_ECHO_OFF(t) ((t).c_lflag &= ~ECHO) -#define TURN_ECHO_ON(t) ((t).c_lflag |= ECHO) - -static struct termios t; -#endif /* SYSV_TERMIO */ - -static void catch_signal(int signum,void (*handler)(int )) -{ -#ifdef HAVE_SIGACTION - struct sigaction act; - struct sigaction oldact; - - memset(&act, 0, sizeof(act)); - - act.sa_handler = handler; -#ifdef SA_RESTART - /* - * We *want* SIGALRM to interrupt a system call. - */ - if(signum != SIGALRM) - act.sa_flags = SA_RESTART; -#endif - sigemptyset(&act.sa_mask); - sigaddset(&act.sa_mask,signum); - sigaction(signum,&act,&oldact); -#else /* !HAVE_SIGACTION */ - /* FIXME: need to handle sigvec and systems with broken signal() */ - signal(signum, handler); -#endif -} - -static sig_atomic_t gotintr; -static int in_fd = -1; - -/*************************************************************** - Signal function to tell us were ^C'ed. -****************************************************************/ - -static void gotintr_sig(void) -{ - gotintr = 1; - if (in_fd != -1) - close(in_fd); /* Safe way to force a return. */ - in_fd = -1; -} - -char *rep_getpass(const char *prompt) -{ - FILE *in, *out; - int echo_off; - static char buf[256]; - static size_t bufsize = sizeof(buf); - size_t nread; - - /* Catch problematic signals */ - catch_signal(SIGINT, SIGNAL_CAST gotintr_sig); - - /* Try to write to and read from the terminal if we can. - If we can't open the terminal, use stderr and stdin. */ - - in = fopen ("/dev/tty", "w+"); - if (in == NULL) { - in = stdin; - out = stderr; - } else { - out = in; - } - - setvbuf(in, NULL, _IONBF, 0); - - /* Turn echoing off if it is on now. */ - - if (tcgetattr (fileno (in), &t) == 0) { - if (ECHO_IS_ON(t)) { - TURN_ECHO_OFF(t); - echo_off = tcsetattr (fileno (in), TCSAFLUSH, &t) == 0; - TURN_ECHO_ON(t); - } else { - echo_off = 0; - } - } else { - echo_off = 0; - } - - /* Write the prompt. */ - fputs(prompt, out); - fflush(out); - - /* Read the password. */ - buf[0] = 0; - if (!gotintr) { - in_fd = fileno(in); - if (fgets(buf, bufsize, in) == NULL) { - buf[0] = 0; - } - } - nread = strlen(buf); - if (nread) { - if (buf[nread - 1] == '\n') - buf[nread - 1] = '\0'; - } - - /* Restore echoing. */ - if (echo_off) { - if (gotintr && in_fd == -1) { - in = fopen ("/dev/tty", "w+"); - } - if (in != NULL) - tcsetattr (fileno (in), TCSANOW, &t); - } - - fprintf(out, "\n"); - fflush(out); - - if (in && in != stdin) /* We opened the terminal; now close it. */ - fclose(in); - - /* Catch problematic signals */ - catch_signal(SIGINT, SIGNAL_CAST SIG_DFL); - - if (gotintr) { - printf("Interupted by signal.\n"); - fflush(stdout); - exit(1); - } - return buf; -} |