diff options
author | Steve Langasek <steve.langasek@ubuntu.com> | 2019-01-03 17:53:41 -0800 |
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committer | Steve Langasek <steve.langasek@ubuntu.com> | 2019-01-03 18:17:08 -0800 |
commit | 212b52cf29c06cc209bc8ac0540dbab1acdf1464 (patch) | |
tree | 58da0bf39f5c4122e4a1b4da20fdeea52b97a671 /modules/pam_wheel/pam_wheel.8 | |
parent | 9c52e721044e7501c3d4567b36d222dc7326224a (diff) | |
parent | 56c8282d128fb484ffc77dff73abf42229b291d3 (diff) |
New upstream version 1.1.0
Diffstat (limited to 'modules/pam_wheel/pam_wheel.8')
-rw-r--r-- | modules/pam_wheel/pam_wheel.8 | 244 |
1 files changed, 210 insertions, 34 deletions
diff --git a/modules/pam_wheel/pam_wheel.8 b/modules/pam_wheel/pam_wheel.8 index f1c63dac..16691fd3 100644 --- a/modules/pam_wheel/pam_wheel.8 +++ b/modules/pam_wheel/pam_wheel.8 @@ -1,127 +1,303 @@ .\" Title: pam_wheel -.\" Author: -.\" Generator: DocBook XSL Stylesheets v1.73.1 <http://docbook.sf.net/> -.\" Date: 04/16/2008 +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.74.0 <http://docbook.sf.net/> +.\" Date: 03/02/2009 .\" Manual: Linux-PAM Manual .\" Source: Linux-PAM Manual +.\" Language: English .\" -.TH "PAM_WHEEL" "8" "04/16/2008" "Linux-PAM Manual" "Linux\-PAM Manual" +.TH "PAM_WHEEL" "8" "03/02/2009" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * (re)Define some macros +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" toupper - uppercase a string (locale-aware) +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.de toupper +.tr aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ +\\$* +.tr aabbccddeeffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz +.. +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" SH-xref - format a cross-reference to an SH section +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.de SH-xref +.ie n \{\ +.\} +.toupper \\$* +.el \{\ +\\$* +.\} +.. +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" SH - level-one heading that works better for non-TTY output +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.de1 SH +.\" put an extra blank line of space above the head in non-TTY output +.if t \{\ +.sp 1 +.\} +.sp \\n[PD]u +.nr an-level 1 +.set-an-margin +.nr an-prevailing-indent \\n[IN] +.fi +.in \\n[an-margin]u +.ti 0 +.HTML-TAG ".NH \\n[an-level]" +.it 1 an-trap +.nr an-no-space-flag 1 +.nr an-break-flag 1 +\." make the size of the head bigger +.ps +3 +.ft B +.ne (2v + 1u) +.ie n \{\ +.\" if n (TTY output), use uppercase +.toupper \\$* +.\} +.el \{\ +.nr an-break-flag 0 +.\" if not n (not TTY), use normal case (not uppercase) +\\$1 +.in \\n[an-margin]u +.ti 0 +.\" if not n (not TTY), put a border/line under subheading +.sp -.6 +\l'\n(.lu' +.\} +.. +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" SS - level-two heading that works better for non-TTY output +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.de1 SS +.sp \\n[PD]u +.nr an-level 1 +.set-an-margin +.nr an-prevailing-indent \\n[IN] +.fi +.in \\n[IN]u +.ti \\n[SN]u +.it 1 an-trap +.nr an-no-space-flag 1 +.nr an-break-flag 1 +.ps \\n[PS-SS]u +\." make the size of the head bigger +.ps +2 +.ft B +.ne (2v + 1u) +.if \\n[.$] \&\\$* +.. +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" BB/BE - put background/screen (filled box) around block of text +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.de BB +.if t \{\ +.sp -.5 +.br +.in +2n +.ll -2n +.gcolor red +.di BX +.\} +.. +.de EB +.if t \{\ +.if "\\$2"adjust-for-leading-newline" \{\ +.sp -1 +.\} +.br +.di +.in +.ll +.gcolor +.nr BW \\n(.lu-\\n(.i +.nr BH \\n(dn+.5v +.ne \\n(BHu+.5v +.ie "\\$2"adjust-for-leading-newline" \{\ +\M[\\$1]\h'1n'\v'+.5v'\D'P \\n(BWu 0 0 \\n(BHu -\\n(BWu 0 0 -\\n(BHu'\M[] +.\} +.el \{\ +\M[\\$1]\h'1n'\v'-.5v'\D'P \\n(BWu 0 0 \\n(BHu -\\n(BWu 0 0 -\\n(BHu'\M[] +.\} +.in 0 +.sp -.5v +.nf +.BX +.in +.sp .5v +.fi +.\} +.. +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" BM/EM - put colored marker in margin next to block of text +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.de BM +.if t \{\ +.br +.ll -2n +.gcolor red +.di BX +.\} +.. +.de EM +.if t \{\ +.br +.di +.ll +.gcolor +.nr BH \\n(dn +.ne \\n(BHu +\M[\\$1]\D'P -.75n 0 0 \\n(BHu -(\\n[.i]u - \\n(INu - .75n) 0 0 -\\n(BHu'\M[] +.in 0 +.nf +.BX +.in +.fi +.\} +.. +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l -.SH "NAME" -pam_wheel - Only permit root access to members of group wheel -.SH "SYNOPSIS" -.HP 13 -\fBpam_wheel\.so\fR [debug] [deny] [group=\fIname\fR] [root_only] [trust] [use_uid] +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "Name" +pam_wheel \- Only permit root access to members of group wheel +.SH "Synopsis" +.fam C +.HP \w'\fBpam_wheel\&.so\fR\ 'u +\fBpam_wheel\&.so\fR [debug] [deny] [group=\fIname\fR] [root_only] [trust] [use_uid] +.fam .SH "DESCRIPTION" .PP The pam_wheel PAM module is used to enforce the so\-called \fIwheel\fR -group\. By default it permits root access to the system if the applicant user is a member of the +group\&. By default it permits root access to the system if the applicant user is a member of the \fIwheel\fR -group\. If no group with this name exist, the module is using the group with the group\-ID -\fB0\fR\. +group\&. If no group with this name exist, the module is using the group with the group\-ID +\fB0\fR\&. .SH "OPTIONS" .PP \fBdebug\fR .RS 4 -Print debug information\. +Print debug information\&. .RE .PP \fBdeny\fR .RS 4 Reverse the sense of the auth operation: if the user is trying to get UID 0 access and is a member of the wheel group (or the group of the \fBgroup\fR -option), deny access\. Conversely, if the user is not in the group, return PAM_IGNORE (unless +option), deny access\&. Conversely, if the user is not in the group, return PAM_IGNORE (unless \fBtrust\fR -was also specified, in which case we return PAM_SUCCESS)\. +was also specified, in which case we return PAM_SUCCESS)\&. .RE .PP \fBgroup=\fR\fB\fIname\fR\fR .RS 4 Instead of checking the wheel or GID 0 groups, use the \fB\fIname\fR\fR -group to perform the authentication\. +group to perform the authentication\&. .RE .PP \fBroot_only\fR .RS 4 -The check for wheel membership is done only\. +The check for wheel membership is done only\&. .RE .PP \fBtrust\fR .RS 4 -The pam_wheel module will return PAM_SUCCESS instead of PAM_IGNORE if the user is a member of the wheel group (thus with a little play stacking the modules the wheel members may be able to su to root without being prompted for a passwd)\. +The pam_wheel module will return PAM_SUCCESS instead of PAM_IGNORE if the user is a member of the wheel group (thus with a little play stacking the modules the wheel members may be able to su to root without being prompted for a passwd)\&. .RE .PP \fBuse_uid\fR .RS 4 -The check for wheel membership will be done against the current uid instead of the original one (useful when jumping with su from one account to another for example)\. +The check for wheel membership will be done against the current uid instead of the original one (useful when jumping with su from one account to another for example)\&. .RE -.SH "MODULE SERVICES PROVIDED" +.SH "MODULE TYPES PROVIDED" .PP The \fBauth\fR and \fBaccount\fR -services are supported\. +module types are provided\&. .SH "RETURN VALUES" .PP PAM_AUTH_ERR .RS 4 -Authentication failure\. +Authentication failure\&. .RE .PP PAM_BUF_ERR .RS 4 -Memory buffer error\. +Memory buffer error\&. .RE .PP PAM_IGNORE .RS 4 -The return value should be ignored by PAM dispatch\. +The return value should be ignored by PAM dispatch\&. .RE .PP PAM_PERM_DENY .RS 4 -Permission denied\. +Permission denied\&. .RE .PP PAM_SERVICE_ERR .RS 4 -Cannot determine the user name\. +Cannot determine the user name\&. .RE .PP PAM_SUCCESS .RS 4 -Success\. +Success\&. .RE .PP PAM_USER_UNKNOWN .RS 4 -User not known\. +User not known\&. .RE .SH "EXAMPLES" .PP -The root account gains access by default (rootok), only wheel members can become root (wheel) but Unix authenticate non\-root applicants\. +The root account gains access by default (rootok), only wheel members can become root (wheel) but Unix authenticate non\-root applicants\&. .sp +.if n \{\ .RS 4 +.\} +.fam C +.ps -1 .nf -su auth sufficient pam_rootok\.so -su auth required pam_wheel\.so -su auth required pam_unix\.so +.if t \{\ +.sp -1 +.\} +.BB lightgray adjust-for-leading-newline +.sp -1 + +su auth sufficient pam_rootok\&.so +su auth required pam_wheel\&.so +su auth required pam_unix\&.so +.EB lightgray adjust-for-leading-newline +.if t \{\ +.sp 1 +.\} .fi +.fam +.ps +1 +.if n \{\ .RE +.\} .sp .SH "SEE ALSO" .PP \fBpam.conf\fR(5), -\fBpam.d\fR(8), +\fBpam.d\fR(5), \fBpam\fR(8) .SH "AUTHOR" .PP -pam_wheel was written by Cristian Gafton <gafton@redhat\.com>\. +pam_wheel was written by Cristian Gafton <gafton@redhat\&.com>\&. |