Last change
on this file since 389 was 389, checked in by coas-nagasima, 5 years ago |
ビルドが通るよう更新
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Property svn:eol-style
set to
native
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Property svn:mime-type
set to
text/x-csrc;charset=UTF-8
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File size:
744 bytes
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Rev | Line | |
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[388] | 1 | #define _GNU_SOURCE
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| 2 | #include <stdio.h>
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| 3 | #include <termios.h>
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| 4 | #include <unistd.h>
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| 5 | #include <fcntl.h>
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| 6 | #include <string.h>
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| 7 |
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| 8 | char *getpass(const char *prompt)
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| 9 | {
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| 10 | int fd;
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| 11 | struct termios s, t;
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| 12 | ssize_t l;
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| 13 | static char password[128];
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| 14 |
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| 15 | if ((fd = open("/dev/tty", O_RDWR|O_NOCTTY|O_CLOEXEC)) < 0) return 0;
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| 16 |
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| 17 | tcgetattr(fd, &t);
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| 18 | s = t;
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| 19 | t.c_lflag &= ~(ECHO|ISIG);
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| 20 | t.c_lflag |= ICANON;
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| 21 | t.c_iflag &= ~(INLCR|IGNCR);
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| 22 | t.c_iflag |= ICRNL;
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| 23 | tcsetattr(fd, TCSAFLUSH, &t);
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| 24 | tcdrain(fd);
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| 25 |
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| 26 | dprintf(fd, "%s", prompt);
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| 27 |
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| 28 | l = read(fd, password, sizeof password);
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| 29 | if (l >= 0) {
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| 30 | if (l > 0 && password[l-1] == '\n' || l==sizeof password) l--;
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| 31 | password[l] = 0;
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| 32 | }
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| 33 |
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| 34 | tcsetattr(fd, TCSAFLUSH, &s);
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| 35 |
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| 36 | dprintf(fd, "\n");
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| 37 | close(fd);
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| 38 |
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| 39 | return l<0 ? 0 : password;
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| 40 | }
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