xref: /illumos-gate/usr/src/man/man3proc/pr_creat.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_CREAT 3PROC
1643051d27SRobert Mustacchi.Os
1743051d27SRobert Mustacchi.Sh NAME
1843051d27SRobert Mustacchi.Nm pr_creat
1943051d27SRobert Mustacchi.Nd inject creat system 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_creat
2643051d27SRobert Mustacchi.Fa "struct ps_prochandle *P"
2743051d27SRobert Mustacchi.Fa "const char *filename"
2843051d27SRobert Mustacchi.Fa "mode_t mode"
2943051d27SRobert Mustacchi.Fc
3043051d27SRobert Mustacchi.Sh DESCRIPTION
3143051d27SRobert MustacchiThe
3243051d27SRobert Mustacchi.Fn pr_creat
3343051d27SRobert Mustacchifunction injects the
3443051d27SRobert Mustacchi.Xr creat 2
3543051d27SRobert Mustacchisystem call into the target process
3643051d27SRobert Mustacchi.Fa P
3743051d27SRobert Mustacchiby means of the agent LWP.
3843051d27SRobert MustacchiIf the process handle
3943051d27SRobert Mustacchi.Fa P
4043051d27SRobert Mustacchiis
4143051d27SRobert Mustacchi.Dv NULL
4243051d27SRobert Mustacchithen this is equivalent to calling
4343051d27SRobert Mustacchi.Xr creat 2
4443051d27SRobert Mustacchion the currently running process.
4543051d27SRobert Mustacchi.Pp
4643051d27SRobert MustacchiThe arguments
4743051d27SRobert Mustacchi.Fa filename
4843051d27SRobert Mustacchiand
4943051d27SRobert Mustacchi.Fa mode
5043051d27SRobert Mustacchihave the same meaning as in
5143051d27SRobert Mustacchi.Xr creat 2 .
5243051d27SRobert MustacchiSee
5343051d27SRobert Mustacchi.Xr creat 2
5443051d27SRobert Mustacchifor the full description and purpose of the
5543051d27SRobert Mustacchi.Sy creat
5643051d27SRobert Mustacchisystem call and its arguments.
5743051d27SRobert Mustacchi.Pp
5843051d27SRobert MustacchiThe
5943051d27SRobert Mustacchi.Fn pr_creat
6072d3dbb9SYuri Pankovfunction only works on active processes.
6172d3dbb9SYuri PankovProcess handles that correspond to core files, zombie processes, or ELF objects
6272d3dbb9SYuri Pankovdo not support system call injection.
6343051d27SRobert Mustacchi.Sh RETURN VALUES
6443051d27SRobert MustacchiUpon successful completion, the
6543051d27SRobert Mustacchi.Fn pr_creat
6643051d27SRobert Mustacchifunction's return value is that described in
6743051d27SRobert Mustacchi.Xr creat 2 .
6843051d27SRobert MustacchiOtherwise,
6943051d27SRobert Mustacchi.Sy -1
7043051d27SRobert Mustacchiis returned and
7143051d27SRobert Mustacchi.Sy errno
7243051d27SRobert Mustacchiis set to
7343051d27SRobert Mustacchi.Er ENOSYS
7443051d27SRobert Mustacchito indicate that the system call could not be injected.
7543051d27SRobert Mustacchi.Sh ERRORS
7643051d27SRobert MustacchiFor the full list of errors see the
7743051d27SRobert Mustacchi.Sy ERRORS
7843051d27SRobert Mustacchisection in
7943051d27SRobert Mustacchi.Xr creat 2 .
8043051d27SRobert Mustacchi.Pp
8143051d27SRobert MustacchiThe
8243051d27SRobert Mustacchi.Fn pr_creat
8343051d27SRobert Mustacchifunction will fail if:
8443051d27SRobert Mustacchi.Bl -tag -width Er
8543051d27SRobert Mustacchi.It Er ENOSYS
8643051d27SRobert MustacchiAn error occurred while trying to invoke the agent LWP and inject a
8743051d27SRobert Mustacchisystem call in the process handle
8843051d27SRobert Mustacchi.Fa P
8943051d27SRobert Mustacchior the process handle
9043051d27SRobert Mustacchi.Fa P
9143051d27SRobert Mustacchidoes not support system call injection.
9243051d27SRobert Mustacchi.El
9343051d27SRobert Mustacchi.Sh INTERFACE STABILITY
9443051d27SRobert Mustacchi.Sy Uncommitted
9543051d27SRobert Mustacchi.Sh MT-LEVEL
9643051d27SRobert MustacchiSee
9743051d27SRobert Mustacchi.Sy LOCKING
9843051d27SRobert Mustacchiin
9943051d27SRobert Mustacchi.Xr libproc 3LIB .
10043051d27SRobert Mustacchi.Sh SEE ALSO
10143051d27SRobert Mustacchi.Xr creat 2 ,
10243051d27SRobert Mustacchi.Xr libproc 3LIB ,
103bbf21555SRichard Lowe.Xr proc 5
104