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Diffstat (limited to 'man/zh_CN/man5/shadow.5')
| -rw-r--r-- | man/zh_CN/man5/shadow.5 | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/man/zh_CN/man5/shadow.5 b/man/zh_CN/man5/shadow.5 new file mode 100644 index 0000000..4d4b090 --- /dev/null +++ b/man/zh_CN/man5/shadow.5 @@ -0,0 +1,148 @@ +'\" t +.\" Title: shadow +.\" Author: Julianne Frances Haugh +.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/> +.\" Date: 2022-11-08 +.\" Manual: File Formats and Configuration Files +.\" Source: shadow-utils 4.13 +.\" Language: Chinese Simplified +.\" +.TH "SHADOW" "5" "2022-11-08" "shadow\-utils 4\&.13" "File Formats and Configuration" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "名称" +shadow \- 影子化了的密码文件 +.SH "描述" +.PP +shadow +is a file which contains the password information for the system\*(Aqs accounts and optional aging information\&. +.PP +如果没有维护好密码安全，此文件绝对不能让普通用户可读。 +.PP +Each line of this file contains 9 fields, separated by colons (\(lq:\(rq), in the following order: +.PP +\fB登录名\fR +.RS 4 +必须是有效的账户名，且已经存在于系统中。 +.RE +.PP +\fB加密了的密码\fR +.RS 4 +This field may be empty, in which case no passwords are required to authenticate as the specified login name\&. However, some applications which read the +/etc/shadow +file may decide not to permit any access at all if the password field is empty\&. +.sp +A password field which starts with an exclamation mark means that the password is locked\&. The remaining characters on the line represent the password field before the password was locked\&. +.sp +Refer to +\fBcrypt\fR(3) +for details on how this string is interpreted\&. +.sp +If the password field contains some string that is not a valid result of +\fBcrypt\fR(3), for instance ! or *, the user will not be able to use a unix password to log in (but the user may log in the system by other means)\&. +.RE +.PP +\fB最后一次更改密码的日期\fR +.RS 4 +The date of the last password change, expressed as the number of days since Jan 1, 1970 00:00 UTC\&. +.sp +The value 0 has a special meaning, which is that the user should change her password the next time she will log in the system\&. +.sp +空字段表示密码年龄功能被禁用。 +.RE +.PP +\fB密码的最小年龄\fR +.RS 4 +最小密码年龄是指，用户一次更改密码之后，要等多长时间才再次被允许更改密码。 +.sp +An empty field and value 0 mean that there is no minimum password age\&. +.RE +.PP +\fB最大密码年龄\fR +.RS 4 +最大密码年龄是指，这写天之后，用户必须更改密码。 +.sp +这写天之后，密码仍然可用。用户将会在下次登录的时候被要求更改密码。 +.sp +空字段表示没有最大密码年龄，没有密码警告时间段，没有密码禁用时间段(请看下边)。 +.sp +如果最大密码年龄小于最小密码年龄，用户将会不能更改密码。 +.RE +.PP +\fB密码警告时间段\fR +.RS 4 +密码过期之前，提前警告用户的的天数(请参考上边的密码的最大年龄)。 +.sp +空字段或者 0 表示没有密码警告期。 +.RE +.PP +\fB密码禁用期\fR +.RS 4 +密码过期(查看上边的密码最大年龄)后，仍然接受此密码的天数(在此期间，用户应该在下次登录时修改密码)。 +.sp +After expiration of the password and this expiration period is elapsed, no login is possible for the user\&. The user should contact her administrator\&. +.sp +空字段表示没有强制密码过期。 +.RE +.PP +\fB账户过期日期\fR +.RS 4 +The date of expiration of the account, expressed as the number of days since Jan 1, 1970 00:00 UTC\&. +.sp +Note that an account expiration differs from a password expiration\&. In case of an account expiration, the user shall not be allowed to login\&. In case of a password expiration, the user is not allowed to login using her password\&. +.sp +空字段表示账户永不过期。 +.sp +应该避免使用 0，因为它既能理解成永不过期也能理解成在1970年1月1日过期。 +.RE +.PP +\fB保留字段\fR +.RS 4 +此字段保留作将来使用。 +.RE +.SH "文件" +.PP +/etc/passwd +.RS 4 +用户账户信息。 +.RE +.PP +/etc/shadow +.RS 4 +安全用户账户信息。 +.RE +.PP +/etc/shadow\- +.RS 4 +/etc/shadow 的备份文件。 +.sp +注意，此文件由 shadow 工具集使用，而不是所有的用户和密码管理工具都会使用。 +.RE +.SH "参见" +.PP +\fBchage\fR(1), +\fBlogin\fR(1), +\fBpasswd\fR(1), +\fBpasswd\fR(5), +\fBpwck\fR(8), +\fBpwconv\fR(8), +\fBpwunconv\fR(8), +\fBsu\fR(1), +\fBsulogin\fR(8)\&. |