v1.16.1

FIXED:
* Some IDState things on *NIX-likes that have no clue what they're doing

TODO

@@ -12,17 +12,6 @@
 - constants/vars for errors
 
 - func and struct to return segregated system-level env vars vs. user env vars (mostly usable on windows) (see envs/.TODO.go.UNFINISHED)
--- https://www3.ntu.edu.sg/home/ehchua/programming/howto/Environment_Variables.html
--- windows:
---- https://docs.microsoft.com/en-us/windows/deployment/usmt/usmt-recognized-environment-variables
---- https://pureinfotech.com/list-environment-variables-windows-10/
---- https://gist.github.com/RebeccaWhit3/5dad8627b8227142e1bea432db3f8824
---- https://ss64.com/nt/syntax-variables.html
--- linux/XDG:
---- https://pubs.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap08.html
---- https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
--- macOS:
---- https://ss64.com/osx/syntax-env_vars.html
 
 - validator for windows usernames, domains, etc. (for *NIX, https://unix.stackexchange.com/a/435120/284004)
 -- https://docs.microsoft.com/en-us/troubleshoot/windows-server/identity/naming-conventions-for-computer-domain-site-ou

chkplat.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# go tool dist list for all valid GOOS/GOARCH targets.
+
+for tgt in $(go tool dist list);
+do
+	o="$(echo ${tgt} | cut -f1 -d '/')"
+	a="$(echo ${tgt} | cut -f2 -d '/')"
+	out="$(env GOOS=${o} GOARCH=${a} go build ./... 2>&1)"
+	ret=${?}
+	if [ $ret -ne 0 ];
+	then
+		echo "OS:   ${o}"
+		echo "ARCH: ${a}"
+		echo "${out}"
+		echo
+		echo
+	fi
+done

doc_nix.go

@@ -0,0 +1,8 @@
+//go:build !(windows || plan9 || wasip1 || js || ios)
+
+/*
+Package sysutils provides [IDState], a collection of process information as it relates to user/group access/membership.
+
+Take note that this module's main functionality is in its child packages.
+*/
+package sysutils

doc_windows.go

@@ -0,0 +1,9 @@
+/*
+Package sysutils provides [IDState], a collection of process information as it relates to user/group access/membership.
+
+NOTE: an [IDState], and all the functions/methods thereof, are fairly useless on Windows as all methods are NO-OPs and
+[GetIDState]/[GetIDStateProc] just return an empty [IDState]. It is primarily provided on Windows for easier cross-platform development.
+
+Take note that this module's main functionality is in its child packages.
+*/
+package sysutils

envs/.osenvs.WIP/TODO

@@ -0,0 +1,30 @@
+macOS:
+HOME
+LOGNAME
+OLDPWD
+PATH
+PWD
+SHELL
+SHLVL
+SSH_CLIENT
+SSH_CONNECTION
+SSH_TTY
+TERM
+TMPDIR
+USER
+_
+e.g.
+HOME=/Users/bts
+LOGNAME=bts
+OLDPWD=/Users/bts
+PATH=/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin
+PWD=/Users/bts
+SHELL=/bin/zsh
+SHLVL=1
+SSH_CLIENT=192.168.2.99 39690 22
+SSH_CONNECTION=192.168.2.99 39690 192.168.2.148 22
+SSH_TTY=/dev/ttys000
+TERM=xterm-256color
+TMPDIR=/var/folders/qv/bm6dlyd94x5fs6qpkfpj0jsr0000gq/T/
+USER=bts
+_=/usr/bin/env

envs/.osenvs.WIP/doc.go

@@ -0,0 +1,7 @@
+/*
+Package osenvs contains information (and, in some cases, defaults and associated methods) for
+[environment variables] ("env vars") as provided by/as part of the OS.
+
+[environment variables]: https://www3.ntu.edu.sg/home/ehchua/programming/howto/Environment_Variables.html
+*/
+package osenvs

envs/.osenvs.WIP/types.go

@@ -0,0 +1,56 @@
+package osenvs
+
+type (
+	/*
+		AppleEnv are default environment variables found in all macOS instances.
+
+		See also the [ss64 article].
+
+		macOS also has [POSIXEnv] env vars.
+
+		[ss64 article]: https://ss64.com/osx/syntax-env_vars.html
+	*/
+	AppleEnv string
+	/*
+		MSEnv are default environment variables found in Windows instances.
+
+		These include:
+
+			* [USMT environment variables]
+			* ONLY the [Environment Variables] for Poweshell
+			** Thus no Powershell ["Automatic variables"] or ["Preference variables"]
+			* standard system environment variables and user environment variables
+
+		See also the [ss64 article] and the [compiled Windows 10 list] and [Windows 10/11 list].
+
+		[USMT environment variables]: https://docs.microsoft.com/en-us/windows/deployment/usmt/usmt-recognized-environment-variables
+		[Environment Variables]: https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_environment_variables?view=powershell-7.5
+		["Automatic variables"]: https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_automatic_variables
+		["Preference variables"]: https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_preference_variables
+		[ss64 article]: https://ss64.com/nt/syntax-variables.html
+		[compiled Windows 10 list]: https://gist.github.com/RebeccaWhit3/5dad8627b8227142e1bea432db3f8824
+		[Windows 10/11 list]: https://pureinfotech.com/list-environment-variables-windows-10/
+	*/
+	MSEnv string
+	/*
+		POSIXEnv are environment variables defined by/in [POSIX.1-2024] § [8. Environment Variables].
+
+		[POSIX.1-2024]: https://pubs.opengroup.org/onlinepubs/9799919799/
+		[8. Environment Variables]: https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/V1_chap08.html
+	*/
+	POSIXEnv string
+	/*
+		XDGEnv are environment variables defined by the [FreeDesktop] [spec] for the
+		[XDG Base Directory Specification] § [3 Environment Variables].
+
+		Generally these are only found/expected on Linux, and only a subset of them at that.
+
+		Linux also has [POSIXEnv] env vars.
+
+		[FreeDesktop]: https://www.freedesktop.org/wiki/
+		[spec]: https://specifications.freedesktop.org/
+		[XDG Base Directory Specification]: https://specifications.freedesktop.org/basedir/latest/#variables
+		[3 Environment Variables]: https://specifications.freedesktop.org/basedir/latest/#variables
+	*/
+	XDGEnv string
+)

funcs_idstate_nix.go

@@ -140,7 +140,7 @@ func (i *IDState) PPIDUIDsChecked() (checked bool) {
 	return
 }
 
-// SudoChecked is true if SudoEnvVars can be trusted
+// SudoChecked is true if SudoEnvVars can be trusted.
 func (i *IDState) SudoChecked() (checked bool) {
 
 	if i == nil {

funcs_idstate_windows.go

@@ -0,0 +1,72 @@
+//go:build windows
+
+package sysutils
+
+// Checked consolidates all the provided checked functions. This is a NO-OP on Windows.
+func (i *IDState) Checked() (checked bool) {
+	return
+}
+
+/*
+IsReal consolidates all the elevation/dropped-privs checks into a single method.
+
+This is a NO-OP on Windows.
+*/
+func (i *IDState) IsReal(real bool) {
+	return
+}
+
+/*
+IsSudoGroup is true if any of the group sudo env vars are set,
+or the parent process has a different group (and is not PID 1).
+
+This is a NO-OP on Windows.
+*/
+func (i *IDState) IsSudoGroup() (sudo bool) {
+	return
+}
+
+/*
+IsSudoUser is true if any of the user sudo env vars are set,
+or the parent process has a different owner (and is not PID 1).
+
+This is a NO-OP on Windows.
+*/
+func (i *IDState) IsSudoUser() (sudo bool) {
+	return
+}
+
+// IsSuid is true if the RUID does not match EUID or SUID. This is a NO-OP on Windows.
+func (i *IDState) IsSuid() (suid bool) {
+	return
+}
+
+// IsSgid is true if the RGID does not match EGID or SGID. This is a NO-OP on Windows.
+func (i *IDState) IsSgid() (sgid bool) {
+	return
+}
+
+// GIDsChecked is true if the GIDs presented can be trusted. This is a NO-OP on Windows.
+func (i *IDState) GIDsChecked() (checked bool) {
+	return
+}
+
+// PPIDGIDsChecked is true if PPIDGidMatch can be trusted. This is a NO-OP on Windows.
+func (i *IDState) PPIDGIDsChecked() (checked bool) {
+	return
+}
+
+// PPIDUIDsChecked is true if PPIDUidMatch can be trusted. This is a NO-OP on Windows.
+func (i *IDState) PPIDUIDsChecked() (checked bool) {
+	return
+}
+
+// SudoChecked is true if SudoEnvVars can be trusted. This is a NO-OP on Windows.
+func (i *IDState) SudoChecked() (checked bool) {
+	return
+}
+
+// UIDsChecked is true if the UIDs presented can be trusted. This is a NO-OP on Windows.
+func (i *IDState) UIDsChecked() (checked bool) {
+	return
+}

funcs_nix.go

@@ -7,7 +7,7 @@ import (
 	`math`
 	"os"
 
-	`github.com/shirou/gopsutil/v3/process`
+	`github.com/shirou/gopsutil/v4/process`
 	"golang.org/x/sys/unix"
 	"r00t2.io/sysutils/envs"
 	`r00t2.io/sysutils/errs`
@@ -19,9 +19,9 @@ func GetIDState() (ids IDState) {
 
 	var err error
 
-	ids.RUID, ids.EUID, ids.SUID = unix.Getresuid()
+	ids.RUID, ids.EUID, ids.SUID = getresuid()
 	ids.uidsChecked = true
-	ids.RGID, ids.EGID, ids.SGID = unix.Getresgid()
+	ids.RGID, ids.EGID, ids.SGID = getresgid()
 	ids.gidsChecked = true
 
 	ids.SudoEnvCmd = envs.HasEnv(envSudoCmd)
@@ -59,7 +59,7 @@ func GetIDState() (ids IDState) {
 func GetIDStateProc(pid uint32) (ids IDState, err error) {
 
 	var i32 int32
-	var ints []int32
+	var ints []uint32
 	var sudoUid bool
 	var sudoUname bool
 	var proc *process.Process

funcs_nix_noresuid.go

@@ -0,0 +1,31 @@
+//go:build !(windows || plan9 || wasip1 || js || ios) && (aix || darwin || dragonfly || freebsd || illumos || netbsd || solaris)
+
+package sysutils
+
+import (
+	`golang.org/x/sys/unix`
+)
+
+// getresgid spoofs unix.Getresgid, as this file targets platforms that do not support it.
+func getresgid() (rgid, egid, sgid int) {
+
+	// rgid, egid, sgid = unix.Getresgid()
+
+	rgid = unix.Getgid()
+	egid = unix.Getegid()
+	sgid = -1
+
+	return
+}
+
+// getresuid spoofs unix.Getresuid, as this file targets platforms that do not support it.
+func getresuid() (ruid, euid, suid int) {
+
+	// ruid, euid, suid = unix.Getresuid()
+
+	ruid = unix.Getuid()
+	euid = unix.Geteuid()
+	suid = -1
+
+	return
+}

funcs_nix_resuid.go

@@ -0,0 +1,23 @@
+//go:build !(windows || plan9 || wasip1 || js || ios) && !(aix || darwin || dragonfly || freebsd || illumos || netbsd || solaris)
+
+package sysutils
+
+import (
+	`golang.org/x/sys/unix`
+)
+
+// getresgid wraps unix.Getresgid, as this file targets platforms that fully support it.
+func getresgid() (rgid, egid, sgid int) {
+
+	rgid, egid, sgid = unix.Getresgid()
+
+	return
+}
+
+// getresuid wraps unix.Getresuid, as this file targets platforms that fully support it.
+func getresuid() (ruid, euid, suid int) {
+
+	ruid, euid, suid = unix.Getresuid()
+
+	return
+}

funcs_windows.go

@@ -0,0 +1,13 @@
+//go:build windows
+
+package sysutils
+
+// GetIDState returns current ID/elevation information. This is a NO-OP on Windows.
+func GetIDState() (ids IDState) {
+	return
+}
+
+// GetIDStateProc is like GetIDState but for an arbitrary PID. This is a NO-OP on Windows.
+func GetIDStateProc(pid uint32) (ids IDState, err error) {
+	return
+}

go.mod

@@ -1,17 +1,16 @@
 module r00t2.io/sysutils
 
-go 1.24.5
+go 1.25
 
 require (
 	github.com/davecgh/go-spew v1.1.1
 	github.com/djherbis/times v1.6.0
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
-	github.com/shirou/gopsutil/v3 v3.24.5
+	github.com/shirou/gopsutil/v4 v4.25.12
-	github.com/shirou/gopsutil/v4 v4.25.10
+	golang.org/x/sync v0.19.0
-	golang.org/x/sync v0.17.0
+	golang.org/x/sys v0.40.0
-	golang.org/x/sys v0.37.0
 	honnef.co/go/augeas v0.0.0-20161110001225-ca62e35ed6b8
-	r00t2.io/goutils v1.10.3
+	r00t2.io/goutils v1.16.4
 )
 
 require (
@@ -19,8 +18,7 @@ require (
 	github.com/go-ole/go-ole v1.3.0 // indirect
 	github.com/lufia/plan9stats v0.0.0-20251013123823-9fd1530e3ec3 // indirect
 	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
-	github.com/shoenig/go-m1cpu v0.1.7 // indirect
+	github.com/tklauser/go-sysconf v0.3.16 // indirect
-	github.com/tklauser/go-sysconf v0.3.15 // indirect
+	github.com/tklauser/numcpus v0.11.0 // indirect
-	github.com/tklauser/numcpus v0.10.0 // indirect
 	github.com/yusufpapurcu/wmi v1.2.4 // indirect
 )

go.sum

@@ -17,33 +17,27 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 h1:o4JXh1EVt9k/+g42oCprj/FisM4qX9L3sZB3upGN2ZU=
 github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55/go.mod h1:OmDBASR4679mdNQnz2pUhc2G8CO2JrUAVFDRBDP/hJE=
-github.com/shirou/gopsutil/v3 v3.24.5 h1:i0t8kL+kQTvpAYToeuiVk3TgDeKOFioZO3Ztz/iZ9pI=
+github.com/shirou/gopsutil/v4 v4.25.12 h1:e7PvW/0RmJ8p8vPGJH4jvNkOyLmbkXgXW4m6ZPic6CY=
-github.com/shirou/gopsutil/v3 v3.24.5/go.mod h1:bsoOS1aStSs9ErQ1WWfxllSeS1K5D+U30r2NfcubMVk=
+github.com/shirou/gopsutil/v4 v4.25.12/go.mod h1:EivAfP5x2EhLp2ovdpKSozecVXn1TmuG7SMzs/Wh4PU=
-github.com/shirou/gopsutil/v4 v4.25.10 h1:at8lk/5T1OgtuCp+AwrDofFRjnvosn0nkN2OLQ6g8tA=
-github.com/shirou/gopsutil/v4 v4.25.10/go.mod h1:+kSwyC8DRUD9XXEHCAFjK+0nuArFJM0lva+StQAcskM=
-github.com/shoenig/go-m1cpu v0.1.7 h1:C76Yd0ObKR82W4vhfjZiCp0HxcSZ8Nqd84v+HZ0qyI0=
-github.com/shoenig/go-m1cpu v0.1.7/go.mod h1:KkDOw6m3ZJQAPHbrzkZki4hnx+pDRR1Lo+ldA56wD5w=
-github.com/shoenig/test v1.7.0 h1:eWcHtTXa6QLnBvm0jgEabMRN/uJ4DMV3M8xUGgRkZmk=
-github.com/shoenig/test v1.7.0/go.mod h1:UxJ6u/x2v/TNs/LoLxBNJRV9DiwBBKYxXSyczsBHFoI=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
-github.com/tklauser/go-sysconf v0.3.15 h1:VE89k0criAymJ/Os65CSn1IXaol+1wrsFHEB8Ol49K4=
+github.com/tklauser/go-sysconf v0.3.16 h1:frioLaCQSsF5Cy1jgRBrzr6t502KIIwQ0MArYICU0nA=
-github.com/tklauser/go-sysconf v0.3.15/go.mod h1:Dmjwr6tYFIseJw7a3dRLJfsHAMXZ3nEnL/aZY+0IuI4=
+github.com/tklauser/go-sysconf v0.3.16/go.mod h1:/qNL9xxDhc7tx3HSRsLWNnuzbVfh3e7gh/BmM179nYI=
-github.com/tklauser/numcpus v0.10.0 h1:18njr6LDBk1zuna922MgdjQuJFjrdppsZG60sHGfjso=
+github.com/tklauser/numcpus v0.11.0 h1:nSTwhKH5e1dMNsCdVBukSZrURJRoHbSEQjdEbY+9RXw=
-github.com/tklauser/numcpus v0.10.0/go.mod h1:BiTKazU708GQTYF4mB+cmlpT2Is1gLk7XVuEeem8LsQ=
+github.com/tklauser/numcpus v0.11.0/go.mod h1:z+LwcLq54uWZTX0u/bGobaV34u6V7KNlTZejzM6/3MQ=
 github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo0=
 github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
-golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
+golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
-golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201204225414-ed752295db88/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20220615213510-4f61da869c0c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
+golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ=
-golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/augeas v0.0.0-20161110001225-ca62e35ed6b8 h1:FW42yWB1sGClqswyHIB68wo0+oPrav1IuQ+Tdy8Qp8E=
 honnef.co/go/augeas v0.0.0-20161110001225-ca62e35ed6b8/go.mod h1:44w9OfBSQ9l3o59rc2w3AnABtE44bmtNnRMNC7z+oKE=
-r00t2.io/goutils v1.10.3 h1:GmEtsM/nrrVWooYJllXDRsgInobEinv2dn5ccU4zGAA=
+r00t2.io/goutils v1.16.4 h1:pzF2JcejcbIBeCpvE2yVwXfIlUs0yL2TKMB8sBl1xJc=
-r00t2.io/goutils v1.10.3/go.mod h1:76AxpXUeL10uFklxRB11kQsrtj2AKiNm8AwG1bNoBCA=
+r00t2.io/goutils v1.16.4/go.mod h1:57B9wDCUgR5+sE02Nwk9DHG76Sgrt9EinCY10SSw6ac=

paths/TODO

@@ -1 +1,12 @@
 - search criteria should *also* support a timestamp range (e.g. so a search can be restricted to both older than AND newer than; e.g. older than 00:00, newer than 01:00)
+
+- need an ExpandHomeSys (...which will change ExpandHome behavior, if it switches to path instead of path/filepath...)
+-- Should probably split out to a separate module or branch to v2.
+-- separate module:
+--- r00t2.io/paths/
+                  <generic>
+                  gopath/
+                        <generic path separator - forward slash>
+                  syspath/
+			<os.PathSeparator>
+	I could consolidate a LOT of code if I use a struct that has a mode (or typed against different separators?) etc. but...

types_nix.go

@@ -11,7 +11,16 @@ IDState collects information about the current running process.
 It should only be used as returned from GetIDState().
 Its methods WILL return false information if any of these values are altered.
 
-FSUID/FSGID are not supported.
+FSUID/FSGID are not currently supported.
+
+Currently, macOS (and FreeBSD, and a couple others) will not populate:
+
+	* SUID
+	* SGID
+
+due to Apple in their "infinite wisdom" allowing you to *set* these
+but exposing no direct syscall whatsoever to *retrieve* them.
+Enjoy your crippled OS, fanboys.
 */
 type IDState struct {
 	// RUID: Real UID

types_windows.go

@@ -0,0 +1,38 @@
+//go:build windows
+
+package sysutils
+
+/*
+IDState on *NIX-like platforms collects information about the current running process.
+
+However, it is only present as a sort of dummy on Windows to make cross-platform development easier.
+Do not expect any sort of usefulness from this struct on Windows other than parsing an IDState generated on *NIX.
+*/
+type IDState struct {
+	// RUID: Real UID
+	RUID int
+	// EUID: Effective UID
+	EUID int
+	// SUID: Saved Set UID
+	SUID int
+	// RGID: Real GID
+	RGID int
+	// EGID: Effective GID
+	EGID int
+	// SGID: Saved Set GID
+	SGID int
+	// SudoEnvUser is true if SUDO_USER or SUDO_UID is set.
+	SudoEnvUser bool
+	// SudoEnvGroup is true if SUDO_GID is set.
+	SudoEnvGroup bool
+	// SudoEnvCmd is true if SUDO_COMMAND is set.
+	SudoEnvCmd bool
+	// SudoEnvHome is true if SUDO_HOME is set.
+	SudoEnvHome bool
+	// SudoEnvVars is true if any of the "well-known" sudo environment variables are set.
+	SudoEnvVars bool
+	// PPIDUidMatch is true if the parent PID UID matches the current process UID (mismatch usually indicates sudo invocation).
+	PPIDUidMatch bool
+	// PPIDGidMatch is true if the parent PID GID matches the current process GID (mismatch usually indicates sudo invocation).
+	PPIDGidMatch bool
+}