fortify/cmd/fpkg/bundle.go
Ophestra e599b5583d
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fmsg: implement suspend in writer
This removes the requirement to call fmsg.Exit on every exit path, and enables direct use of the "log" package. However, fmsg.BeforeExit is still encouraged when possible to catch exit on suspended output.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-02-16 18:51:53 +09:00

91 lines
2.6 KiB
Go

package main
import (
"encoding/json"
"log"
"os"
"git.gensokyo.uk/security/fortify/dbus"
"git.gensokyo.uk/security/fortify/internal/system"
)
type bundleInfo struct {
Name string `json:"name"`
Version string `json:"version"`
// passed through to [fst.Config]
ID string `json:"id"`
// passed through to [fst.Config]
AppID int `json:"app_id"`
// passed through to [fst.Config]
Groups []string `json:"groups,omitempty"`
// passed through to [fst.Config]
UserNS bool `json:"userns,omitempty"`
// passed through to [fst.Config]
Net bool `json:"net,omitempty"`
// passed through to [fst.Config]
Dev bool `json:"dev,omitempty"`
// passed through to [fst.Config]
NoNewSession bool `json:"no_new_session,omitempty"`
// passed through to [fst.Config]
MapRealUID bool `json:"map_real_uid,omitempty"`
// passed through to [fst.Config]
DirectWayland bool `json:"direct_wayland,omitempty"`
// passed through to [fst.Config]
SystemBus *dbus.Config `json:"system_bus,omitempty"`
// passed through to [fst.Config]
SessionBus *dbus.Config `json:"session_bus,omitempty"`
// passed through to [fst.Config]
Enablements system.Enablements `json:"enablements"`
// passed through inverted to [bwrap.SyscallPolicy]
Devel bool `json:"devel,omitempty"`
// passed through to [bwrap.SyscallPolicy]
Multiarch bool `json:"multiarch,omitempty"`
// passed through to [bwrap.SyscallPolicy]
Bluetooth bool `json:"bluetooth,omitempty"`
// allow gpu access within sandbox
GPU bool `json:"gpu"`
// store path to nixGL mesa wrappers
Mesa string `json:"mesa,omitempty"`
// store path to nixGL source
NixGL string `json:"nix_gl,omitempty"`
// store path to activate-and-exec script
Launcher string `json:"launcher"`
// store path to /run/current-system
CurrentSystem string `json:"current_system"`
// store path to home-manager activation package
ActivationPackage string `json:"activation_package"`
}
func loadBundleInfo(name string, beforeFail func()) *bundleInfo {
bundle := new(bundleInfo)
if f, err := os.Open(name); err != nil {
beforeFail()
log.Fatalf("cannot open bundle: %v", err)
} else if err = json.NewDecoder(f).Decode(&bundle); err != nil {
beforeFail()
log.Fatalf("cannot parse bundle metadata: %v", err)
} else if err = f.Close(); err != nil {
log.Printf("cannot close bundle metadata: %v", err)
// not fatal
}
if bundle.ID == "" {
beforeFail()
log.Fatal("application identifier must not be empty")
}
return bundle
}
func formatHostname(name string) string {
if h, err := os.Hostname(); err != nil {
log.Printf("cannot get hostname: %v", err)
return "fortify-" + name
} else {
return h + "-" + name
}
}