xref: /illumos-gate/usr/src/man/man3proc/pr_getsockopt.3proc (revision a7d7cafedfa26f9e421bbcaf42b7387ef67c0a31)
143051d27SRobert Mustacchi.\"
243051d27SRobert Mustacchi.\" This file and its contents are supplied under the terms of the
343051d27SRobert Mustacchi.\" Common Development and Distribution License ("CDDL"), version 1.0.
443051d27SRobert Mustacchi.\" You may only use this file in accordance with the terms of version
543051d27SRobert Mustacchi.\" 1.0 of the CDDL.
643051d27SRobert Mustacchi.\"
743051d27SRobert Mustacchi.\" A full copy of the text of the CDDL should have accompanied this
843051d27SRobert Mustacchi.\" source.  A copy of the CDDL is also available via the Internet at
943051d27SRobert Mustacchi.\" http://www.illumos.org/license/CDDL.
1043051d27SRobert Mustacchi.\"
1143051d27SRobert Mustacchi.\"
1243051d27SRobert Mustacchi.\" Copyright 2015 Joyent, Inc.
1343051d27SRobert Mustacchi.\"
14*a7d7cafeSRobert Mustacchi.Dd November 27, 2023
1543051d27SRobert Mustacchi.Dt PR_GETSOCKOPT 3PROC
1643051d27SRobert Mustacchi.Os
1743051d27SRobert Mustacchi.Sh NAME
1843051d27SRobert Mustacchi.Nm pr_getsockopt
1943051d27SRobert Mustacchi.Nd inject getsockopt library call call into victim process
20*a7d7cafeSRobert Mustacchi.Sh LIBRARY
2143051d27SRobert Mustacchi.Lb libproc
22*a7d7cafeSRobert Mustacchi.Sh SYNOPSIS
2343051d27SRobert Mustacchi.In libproc.h
2443051d27SRobert Mustacchi.Ft int
2543051d27SRobert Mustacchi.Fo pr_getsockopt
2643051d27SRobert Mustacchi.Fa "struct ps_prochandle *P"
2743051d27SRobert Mustacchi.Fa "int sock"
2843051d27SRobert Mustacchi.Fa "int level"
2943051d27SRobert Mustacchi.Fa "int optname"
3043051d27SRobert Mustacchi.Fa "void *optval"
3143051d27SRobert Mustacchi.Fa "int *optlen"
3243051d27SRobert Mustacchi.Fc
3343051d27SRobert Mustacchi.Sh DESCRIPTION
3443051d27SRobert MustacchiThe
3543051d27SRobert Mustacchi.Fn pr_getsockopt
3643051d27SRobert Mustacchifunction injects the
3743051d27SRobert Mustacchi.Xr getsockopt 3SOCKET
3843051d27SRobert Mustacchilibrary call call into the target process
3943051d27SRobert Mustacchi.Fa P
4043051d27SRobert Mustacchiby means of the agent lwp.
4143051d27SRobert MustacchiIf the process handle
4243051d27SRobert Mustacchi.Fa P
4343051d27SRobert Mustacchiis the value
4443051d27SRobert Mustacchi.Dv NULL
4543051d27SRobert Mustacchithen this will be equivalent to calling
4643051d27SRobert Mustacchi.Xr getsockopt 3SOCKET
4743051d27SRobert Mustacchion the currently running process.
4843051d27SRobert Mustacchi.Pp
4943051d27SRobert MustacchiThe arguments
5043051d27SRobert Mustacchi.Fa sock ,
5143051d27SRobert Mustacchi.Fa level ,
5243051d27SRobert Mustacchi.Fa optname ,
5343051d27SRobert Mustacchi.Fa optval ,
5443051d27SRobert Mustacchiand
5543051d27SRobert Mustacchi.Fa optlen
5643051d27SRobert Mustacchihave the same meaning as in
5743051d27SRobert Mustacchi.Xr getsockopt 3SOCKET ,
5843051d27SRobert Mustacchisee
5943051d27SRobert Mustacchi.Xr getsockopt 3SOCKET
6043051d27SRobert Mustacchifor the full description and purpose of the
6143051d27SRobert Mustacchi.Sy getsockopt
6243051d27SRobert Mustacchisystem call and its arguments.
6343051d27SRobert Mustacchi.Pp
6443051d27SRobert MustacchiThe
6543051d27SRobert Mustacchi.Fn pr_getsockopt
6672d3dbb9SYuri Pankovfunction only works on active processes.
6772d3dbb9SYuri PankovProcess handles that correspond to core files, zombie processes, or ELF objects
6872d3dbb9SYuri Pankovdo not support system call injection.
6943051d27SRobert Mustacchi.Sh RETURN VALUES
7043051d27SRobert MustacchiUpon successful completion, the
7143051d27SRobert Mustacchi.Fn pr_getsockopt
7243051d27SRobert Mustacchifunction's return value is that described in
7343051d27SRobert Mustacchi.Xr getsockopt 3SOCKET .
7443051d27SRobert MustacchiOtherwise,
7543051d27SRobert Mustacchi.Sy -1
7643051d27SRobert Mustacchiis returned and
7743051d27SRobert Mustacchi.Sy errno
7843051d27SRobert Mustacchiis set to
7943051d27SRobert Mustacchi.Er ENOSYS
8043051d27SRobert Mustacchito indicate that the system call could not be injected.
8143051d27SRobert Mustacchi.Sh ERRORS
8243051d27SRobert MustacchiFor the full list of errors see the
8343051d27SRobert Mustacchi.Sy ERRORS
8443051d27SRobert Mustacchisection in
8543051d27SRobert Mustacchi.Xr getsockopt 3SOCKET .
8643051d27SRobert Mustacchi.Pp
8743051d27SRobert MustacchiThe
8843051d27SRobert Mustacchi.Fn pr_getsockopt
8943051d27SRobert Mustacchifunction will fail if:
9043051d27SRobert Mustacchi.Bl -tag -width Er
9143051d27SRobert Mustacchi.It Er ENOSYS
9243051d27SRobert MustacchiAn error occurred while trying to invoke the agent lwp and inject a
9343051d27SRobert Mustacchisystem call in the process handle
9443051d27SRobert Mustacchi.Fa P
9543051d27SRobert Mustacchior the process handle
9643051d27SRobert Mustacchi.Fa P
9743051d27SRobert Mustacchidoes not support system call injection.
9843051d27SRobert Mustacchi.El
9943051d27SRobert Mustacchi.Sh INTERFACE STABILITY
10043051d27SRobert Mustacchi.Sy Uncommitted
10143051d27SRobert Mustacchi.Sh MT-LEVEL
10243051d27SRobert MustacchiSee
10343051d27SRobert Mustacchi.Sy LOCKING
10443051d27SRobert Mustacchiin
10543051d27SRobert Mustacchi.Xr libproc 3LIB .
10643051d27SRobert Mustacchi.Sh SEE ALSO
10743051d27SRobert Mustacchi.Xr libproc 3LIB ,
10843051d27SRobert Mustacchi.Xr getsockopt 3SOCKET ,
109bbf21555SRichard Lowe.Xr proc 5
110