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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
commit | 3d08cd331c1adcf0d917392f7e527b3f00511748 (patch) | |
tree | 312f0d1e1632f48862f044b8bb87e602dcffb5f9 /man3/getpass.3 | |
parent | Adding debian version 6.7-2. (diff) | |
download | manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.tar.xz manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.zip |
Merging upstream version 6.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man3/getpass.3')
-rw-r--r-- | man3/getpass.3 | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/man3/getpass.3 b/man3/getpass.3 deleted file mode 100644 index 40420c9..0000000 --- a/man3/getpass.3 +++ /dev/null @@ -1,150 +0,0 @@ -'\" t -.\" Copyright (c) 2000 Andries Brouwer (aeb@cwi.nl) -.\" -.\" SPDX-License-Identifier: GPL-2.0-or-later -.\" -.TH getpass 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -getpass \- get a password -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.SH SYNOPSIS -.nf -.B #include <unistd.h> -.P -.BI "[[deprecated]] char *getpass(const char *" prompt ); -.fi -.P -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.P -.BR getpass (): -.nf - Since glibc 2.2.2: - _XOPEN_SOURCE && ! (_POSIX_C_SOURCE >= 200112L) - || /* glibc >= 2.19: */ _DEFAULT_SOURCE - || /* glibc <= 2.19: */ _BSD_SOURCE - Before glibc 2.2.2: - none -.fi -.SH DESCRIPTION -This function is obsolete. -Do not use it. -See NOTES. -If you want to read input without terminal echoing enabled, -see the description of the -.I ECHO -flag in -.BR termios (3). -.P -The -.BR getpass () -function opens -.I /dev/tty -(the controlling terminal of the process), outputs the string -.IR prompt , -turns off echoing, reads one line (the "password"), -restores the terminal state and closes -.I /dev/tty -again. -.SH RETURN VALUE -The function -.BR getpass () -returns a pointer to a static buffer containing (the first -.B PASS_MAX -bytes of) the password without the trailing -newline, terminated by a null byte (\[aq]\e0\[aq]). -This buffer may be overwritten by a following call. -On error, the terminal state is restored, -.I errno -is set to indicate the error, and NULL is returned. -.SH ERRORS -.TP -.B ENXIO -The process does not have a controlling terminal. -.SH FILES -.I /dev/tty -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR getpass () -T} Thread safety MT-Unsafe term -.TE -.SH STANDARDS -None. -.SH HISTORY -Version 7 AT&T UNIX. -Present in SUSv2, but marked LEGACY. -Removed in POSIX.1-2001. -.SH NOTES -.\" For libc4 and libc5, the prompt is not written to -.\" .I /dev/tty -.\" but to -.\" .IR stderr . -.\" Moreover, if -.\" .I /dev/tty -.\" cannot be opened, the password is read from -.\" .IR stdin . -.\" The static buffer has length 128 so that only the first 127 -.\" bytes of the password are returned. -.\" While reading the password, signal generation -.\" .RB ( SIGINT , -.\" .BR SIGQUIT , -.\" .BR SIGSTOP , -.\" .BR SIGTSTP ) -.\" is disabled and the corresponding characters -.\" (usually control-C, control-\e, control-Z and control-Y) -.\" are transmitted as part of the password. -.\" Since libc 5.4.19 also line editing is disabled, so that also -.\" backspace and the like will be seen as part of the password. -You should use instead -.BR readpassphrase (3bsd), -provided by -.IR libbsd . -.P -In the GNU C library implementation, if -.I /dev/tty -cannot be opened, the prompt is written to -.I stderr -and the password is read from -.IR stdin . -There is no limit on the length of the password. -Line editing is not disabled. -.P -According to SUSv2, the value of -.B PASS_MAX -must be defined in -.I <limits.h> -in case it is smaller than 8, and can in any case be obtained using -.IR sysconf(_SC_PASS_MAX) . -However, POSIX.2 withdraws the constants -.B PASS_MAX -and -.BR _SC_PASS_MAX , -and the function -.BR getpass (). -.\" Libc4 and libc5 have never supported -.\" .B PASS_MAX -.\" or -.\" .BR _SC_PASS_MAX . -The glibc version accepts -.B _SC_PASS_MAX -and returns -.B BUFSIZ -(e.g., 8192). -.SH BUGS -The calling process should zero the password as soon as possible to avoid -leaving the cleartext password visible in the process's address space. -.SH SEE ALSO -.BR crypt (3) |