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getpass: Don't fail if stdin is not a tty.

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We don't need to manipulate the tty state (such as turning off echo)
when prompting for passwords if we're not reading from a tty.
This commit is contained in:
Andreas Schneider
2013-04-05 14:13:37 +02:00
parent 24e94d53e9
commit 992f00b145
1 changed files with 27 additions and 23 deletions
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4
src/getpass.c
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@@ -220,6 +220,7 @@ int ssh_getpass(const char *prompt,
return -1;
}
if (isatty(STDIN_FILENO)) {
ZERO_STRUCT(attr);
ZERO_STRUCT(old_attr);
@@ -246,6 +247,7 @@ int ssh_getpass(const char *prompt,
perror("tcsetattr");
return -1;
}
}
/* disable nonblocking I/O */
if (fd & O_NDELAY) {
@@ -254,8 +256,10 @@ int ssh_getpass(const char *prompt,
ok = ssh_gets(prompt, buf, len, verify);
if (isatty(STDIN_FILENO)) {
/* reset terminal */
tcsetattr(STDIN_FILENO, TCSANOW, &old_attr);
}
/* close fd */
if (fd & O_NDELAY) {