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+.\" ** You probably do not want to edit this file directly **
+.\" It was generated using the DocBook XSL Stylesheets (version 1.69.1).
+.\" Instead of manually editing it, you probably should edit the DocBook XML
+.\" source for it and then use the DocBook XSL Stylesheets to regenerate it.
+.TH "PAM_EXEC" "8" "01/24/2006" "Linux\-PAM Manual" "Linux\-PAM Manual"
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.SH "NAME"
+pam_exec \- PAM module which calls an external command
+.SH "SYNOPSIS"
+.HP 12
+\fBpam_exec.so\fR [debug] [seteuid] [log=\fIfile\fR] \fIcommand\fR [\fI...\fR]
+.SH "DESCRIPTION"
+.PP
+pam_exec is a PAM module that can be used to run an external command.
+.SH "OPTIONS"
+.PP
+.TP
+\fBdebug\fR
+Print debug information.
+.TP
+\fBlog=\fR\fB\fIfile\fR\fR
+The output of the command is appended to
+\fIfile\fR
+.TP
+\fBseteuid\fR
+Per default pam_exec.so will execute the external command with the real user ID of the calling process. Specifying this option means the command is run with the effective user ID.
+.SH "MODULE SERVICES PROVIDED"
+.PP
+The services
+\fBauth\fR,
+\fBaccount\fR,
+\fBpassword\fR
+and
+\fBsession\fR
+are supported.
+.SH "RETURN VALUES"
+.PP
+.TP
+\fBPAM_SUCCESS\fR
+The external command runs successfull.
+.TP
+\fBPAM_SERVICE_ERR\fR
+No argument or a wrong number of arguments were given.
+.TP
+\fBPAM_SYSTEM_ERR\fR
+A system error occured or the command to execute failed.
+.TP
+\fBPAM_IGNORE\fR
+\fBpam_setcred\fR
+was called, which does not execute the command.
+.SH "EXAMPLES"
+.PP
+Add the following line to
+\fI/etc/pam.d/passwd\fR
+to rebuild the NIS database after each local password change:
+.sp
+.nf
+        passwd optional pam_exec.so seteuid make \-C /var/yp
+      
+.fi
+.sp
+This will execute the command
+.sp
+.nf
+make \-C /var/yp
+.fi
+.sp
+with effective user ID.
+.SH "SEE ALSO"
+.PP
+\fBpam.conf\fR(5),
+\fBpam.d\fR(8),
+\fBpam\fR(8)
+.SH "AUTHOR"
+.PP
+pam_exec was written by Thorsten Kukuk <kukuk@thkukuk.de>.