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diff --git a/man/zh_CN/man8/chpasswd.8 b/man/zh_CN/man8/chpasswd.8 new file mode 100644 index 0000000..b26ed56 --- /dev/null +++ b/man/zh_CN/man8/chpasswd.8 @@ -0,0 +1,212 @@ +'\" t +.\" Title: chpasswd +.\" Author: Julianne Frances Haugh +.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/> +.\" Date: 2020-01-23 +.\" Manual: 系统管理命令 +.\" Source: shadow-utils 4.8.1 +.\" Language: Chinese Simplified +.\" +.TH "CHPASSWD" "8" "2020-01-23" "shadow\-utils 4\&.8\&.1" "系统管理命令" +.\" ----------------------------------------------------------------- +.\" * 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" +chpasswd \- 批量更新密码 +.SH "大纲" +.HP \w'\fBchpasswd\fR\ 'u +\fBchpasswd\fR [\fI选项\fR] +.SH "描述" +.PP +The +\fBchpasswd\fR +command reads a list of user name and password pairs from standard input and uses this information to update a group of existing users\&. Each line is of the format: +.PP +\fIuser_name\fR:\fIpassword\fR +.PP +By default the passwords must be supplied in clear\-text, and are encrypted by +\fBchpasswd\fR\&. Also the password age will be updated, if present\&. +.PP +The default encryption algorithm can be defined for the system with the +\fBENCRYPT_METHOD\fR +or +\fBMD5_CRYPT_ENAB\fR +variables of +/etc/login\&.defs, and can be overwritten with the +\fB\-e\fR, +\fB\-m\fR, or +\fB\-c\fR +options\&. +.PP +\fBchpasswd\fR +first updates all the passwords in memory, and then commits all the changes to disk if no errors occurred for any user\&. +.PP +此命令一般用于需要一次创建很多用户的大型系统。 +.SH "选项" +.PP +The options which apply to the +\fBchpasswd\fR +command are: +.PP +\fB\-c\fR, \fB\-\-crypt\-method\fR\ \&\fIMETHOD\fR +.RS 4 +使用指定的方法加密密码。 +.sp +可用的方法有 DES, MD5, NONE, and SHA256 或 SHA512，前提是您的 libc 支持这写方法。 +.sp +By default (if none of the +\fB\-c\fR, +\fB\-m\fR, or +\fB\-e\fR +options are specified), the encryption method is defined by the +\fBENCRYPT_METHOD\fR +or +\fBMD5_CRYPT_ENAB\fR +variables of +/etc/login\&.defs\&. +.RE +.PP +\fB\-e\fR, \fB\-\-encrypted\fR +.RS 4 +提供的密码是已经加密了的 +.RE +.PP +\fB\-h\fR, \fB\-\-help\fR +.RS 4 +现实帮助信息并退出。 +.RE +.PP +\fB\-m\fR, \fB\-\-md5\fR +.RS 4 +如果提供的密码没有加密，则使用 MD5 加密而不是 DES。 +.RE +.PP +\fB\-R\fR, \fB\-\-root\fR\ \&\fICHROOT_DIR\fR +.RS 4 +Apply changes in the +\fICHROOT_DIR\fR +directory and use the configuration files from the +\fICHROOT_DIR\fR +directory\&. +.RE +.PP +\fB\-s\fR, \fB\-\-sha\-rounds\fR\ \&\fIROUNDS\fR +.RS 4 +使用指定次数的轮转来加密密码。 +.sp +值 0 表示让系统为加密方法选择默认的轮转次数 (5000)。 +.sp +会强制最小 1,000，最大 9,9999,9999 +.sp +您只可以对 SHA256 或 SHA512 使用此选项。 +.sp +By default, the number of rounds is defined by the +\fBSHA_CRYPT_MIN_ROUNDS\fR +and +\fBSHA_CRYPT_MAX_ROUNDS\fR +variables in +/etc/login\&.defs\&. +.RE +.SH "CAVEATS" +.PP +记住要设置权限或者掩码来阻止其它用户对未加密文件的读取。 +.SH "配置文件" +.PP +The following configuration variables in +/etc/login\&.defs +change the behavior of this tool: +.PP +\fBENCRYPT_METHOD\fR (string) +.RS 4 +这定义了系统加密密码的默认算法(如果没有在命令行上指定算法)。 +.sp +It can take one of these values: +\fIDES\fR +(default), +\fIMD5\fR, \fISHA256\fR, \fISHA512\fR\&. +.sp +Note: this parameter overrides the +\fBMD5_CRYPT_ENAB\fR +variable\&. +.RE +.PP +\fBMD5_CRYPT_ENAB\fR (boolean) +.RS 4 +Indicate if passwords must be encrypted using the MD5\-based algorithm\&. If set to +\fIyes\fR, new passwords will be encrypted using the MD5\-based algorithm compatible with the one used by recent releases of FreeBSD\&. It supports passwords of unlimited length and longer salt strings\&. Set to +\fIno\fR +if you need to copy encrypted passwords to other systems which don\*(Aqt understand the new algorithm\&. Default is +\fIno\fR\&. +.sp +This variable is superseded by the +\fBENCRYPT_METHOD\fR +variable or by any command line option used to configure the encryption algorithm\&. +.sp +This variable is deprecated\&. You should use +\fBENCRYPT_METHOD\fR\&. +.RE +.PP +\fBSHA_CRYPT_MIN_ROUNDS\fR (number), \fBSHA_CRYPT_MAX_ROUNDS\fR (number) +.RS 4 +When +\fBENCRYPT_METHOD\fR +is set to +\fISHA256\fR +or +\fISHA512\fR, this defines the number of SHA rounds used by the encryption algorithm by default (when the number of rounds is not specified on the command line)\&. +.sp +使用很多轮转，会让暴力破解更加困难。但是需要注意，认证用户时也会需要更多的 CPU 资源。 +.sp +如果没有指定，libc 会选择默认的轮转数(5000)。 +.sp +值必须在 1000 \- 999,999,999 之间。 +.sp +If only one of the +\fBSHA_CRYPT_MIN_ROUNDS\fR +or +\fBSHA_CRYPT_MAX_ROUNDS\fR +values is set, then this value will be used\&. +.sp +If +\fBSHA_CRYPT_MIN_ROUNDS\fR +> +\fBSHA_CRYPT_MAX_ROUNDS\fR, the highest value will be used\&. +.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/login\&.defs +.RS 4 +Shadow 密码套件配置。 +.RE +.SH "参见" +.PP +\fBpasswd\fR(1), +\fBnewusers\fR(8), +\fBlogin.defs\fR(5), +\fBuseradd\fR(8)\&. |