Last change
on this file since 1723 was 821, checked in by Bruno Cornec, 18 years ago |
Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)
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File size:
1.5 KB
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Rev | Line | |
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[821] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Ask for a password
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| 4 | * I use a static buffer in this function. Plan accordingly.
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| 5 | *
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| 6 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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| 7 | *
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| 8 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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| 9 | */
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| 10 |
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| 11 | #include <stdio.h>
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| 12 | #include <string.h>
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| 13 | #include <unistd.h>
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| 14 | #include <fcntl.h>
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| 15 | #include <signal.h>
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| 16 | #include <termios.h>
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| 17 | #include <sys/ioctl.h>
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| 18 |
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| 19 | #include "libbb.h"
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| 20 | #define PWD_BUFFER_SIZE 256
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| 21 |
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| 22 |
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| 23 | /* do nothing signal handler */
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| 24 | static void askpass_timeout(int ATTRIBUTE_UNUSED ignore)
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| 25 | {
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| 26 | }
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| 27 |
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| 28 | char *bb_askpass(int timeout, const char * prompt)
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| 29 | {
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| 30 | char *ret;
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| 31 | int i, size;
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| 32 | struct sigaction sa;
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| 33 | struct termios old, new;
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| 34 | static char passwd[PWD_BUFFER_SIZE];
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| 35 |
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| 36 | tcgetattr(STDIN_FILENO, &old);
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| 37 | tcflush(STDIN_FILENO, TCIFLUSH);
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| 38 |
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| 39 | size = sizeof(passwd);
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| 40 | ret = passwd;
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| 41 | memset(passwd, 0, size);
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| 42 |
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| 43 | fputs(prompt, stdout);
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| 44 | fflush(stdout);
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| 45 |
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| 46 | tcgetattr(STDIN_FILENO, &new);
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| 47 | new.c_iflag &= ~(IUCLC|IXON|IXOFF|IXANY);
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| 48 | new.c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHONL|TOSTOP);
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| 49 | tcsetattr(STDIN_FILENO, TCSANOW, &new);
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| 50 |
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| 51 | if (timeout) {
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| 52 | sa.sa_flags = 0;
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| 53 | sa.sa_handler = askpass_timeout;
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| 54 | sigaction(SIGALRM, &sa, NULL);
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| 55 | alarm(timeout);
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| 56 | }
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| 57 |
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| 58 | if (read(STDIN_FILENO, passwd, size-1) <= 0) {
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| 59 | ret = NULL;
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| 60 | } else {
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| 61 | for(i = 0; i < size && passwd[i]; i++) {
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| 62 | if (passwd[i]== '\r' || passwd[i] == '\n') {
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| 63 | passwd[i]= 0;
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| 64 | break;
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| 65 | }
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| 66 | }
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| 67 | }
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| 68 |
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| 69 | if (timeout) {
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| 70 | alarm(0);
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| 71 | }
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| 72 |
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| 73 | tcsetattr(STDIN_FILENO, TCSANOW, &old);
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| 74 | fputs("\n", stdout);
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| 75 | fflush(stdout);
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| 76 | return ret;
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| 77 | }
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| 78 |
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