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 PROG_GET_CRED 3PROC 1643051d27SRobert Mustacchi.Os 1743051d27SRobert Mustacchi.Sh NAME 1843051d27SRobert Mustacchi.Nm proc_get_cred 1943051d27SRobert Mustacchi.Nd get process credentials 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 proc_get_cred 2643051d27SRobert Mustacchi.Fa "pid_t proc" 2743051d27SRobert Mustacchi.Fa "prcred_t *credp" 2843051d27SRobert Mustacchi.Fa "int ngroups" 2943051d27SRobert Mustacchi.Fc 3043051d27SRobert Mustacchi.Sh DESCRIPTION 3143051d27SRobert MustacchiThe 3243051d27SRobert Mustacchi.Fn proc_get_cred 3343051d27SRobert Mustacchifunction is a convenient way to read the /proc cred file for the process 3443051d27SRobert Mustacchi.Fa proc . 3543051d27SRobert Mustacchi.Pp 3643051d27SRobert MustacchiUp to 3743051d27SRobert Mustacchi.Fa ngroups 3843051d27SRobert Mustacchisupplemental groups will be read and written into 3943051d27SRobert Mustacchi.Fa credp 4072d3dbb9SYuri Pankovin addition to the normal information. 4172d3dbb9SYuri PankovIf 4243051d27SRobert Mustacchi.Fa ngroups 4343051d27SRobert Mustacchiis more than one, than it is up to the caller to have allocated enough 4443051d27SRobert Mustacchispace for 4543051d27SRobert Mustacchi.Fa credp . 4643051d27SRobert MustacchiCallers could allocate it, using an expression similar to: 4743051d27SRobert Mustacchi.Pp 4843051d27SRobert Mustacchi.Dl credp = malloc(sizeof (prcred_t) + (ngroups - 1) * sizeof (gid_t)); 4943051d27SRobert Mustacchi.Pp 5043051d27SRobert MustacchiThe definition of the 5143051d27SRobert Mustacchi.Sy prcred_t 5243051d27SRobert Mustacchistructure may be found in 53bbf21555SRichard Lowe.Xr proc 5 . 5443051d27SRobert Mustacchi.Sh RETURN VALUES 5543051d27SRobert MustacchiUpon successful completion, the 5643051d27SRobert Mustacchi.Fn proc_get_cred 5743051d27SRobert Mustacchifunction returns 5843051d27SRobert Mustacchi.Sy 0 . 5943051d27SRobert MustacchiOtherwise, 6043051d27SRobert Mustacchi.Sy -1 6143051d27SRobert Mustacchiis returned to indicate an error occurred. 6243051d27SRobert Mustacchi.Sh INTERFACE STABILITY 6343051d27SRobert Mustacchi.Sy Uncommitted 6443051d27SRobert Mustacchi.Sh MT-LEVEL 6543051d27SRobert Mustacchi.Sy MT-Safe 6643051d27SRobert Mustacchi.Sh SEE ALSO 6743051d27SRobert Mustacchi.Xr libproc 3LIB , 68bbf21555SRichard Lowe.Xr proc 5 69