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package main
import (
"encoding/json"
"fmt"
"strings"
"text/tabwriter"
"time"
"git.gensokyo.uk/security/fortify/dbus"
"git.gensokyo.uk/security/fortify/fst"
"git.gensokyo.uk/security/fortify/internal/fmsg"
"git.gensokyo.uk/security/fortify/internal/state"
)
func printShow(instance *state.State, config *fst.Config) {
if flagJSON {
v := interface{}(config)
if instance != nil {
v = instance
}
if s, err := json.MarshalIndent(v, "", " "); err != nil {
fmsg.Fatalf("cannot serialise as JSON: %v", err)
panic("unreachable")
} else {
fmt.Println(string(s))
}
} else {
buf := new(strings.Builder)
w := tabwriter.NewWriter(buf, 0, 1, 4, ' ', 0)
if instance != nil {
fmt.Fprintf(w, "State\n")
fmt.Fprintf(w, " Instance:\t%s (%d)\n", instance.ID.String(), instance.PID)
fmt.Fprintf(w, " Uptime:\t%s\n", time.Now().Sub(instance.Time).Round(time.Second).String())
fmt.Fprintf(w, "\n")
}
fmt.Fprintf(w, "App\n")
if config.ID != "" {
fmt.Fprintf(w, " ID:\t%d (%s)\n", config.Confinement.AppID, config.ID)
} else {
fmt.Fprintf(w, " ID:\t%d\n", config.Confinement.AppID)
}
fmt.Fprintf(w, " Enablements:\t%s\n", config.Confinement.Enablements.String())
if len(config.Confinement.Groups) > 0 {
fmt.Fprintf(w, " Groups:\t%q\n", config.Confinement.Groups)
}
fmt.Fprintf(w, " Directory:\t%s\n", config.Confinement.Outer)
if config.Confinement.Sandbox != nil {
sandbox := config.Confinement.Sandbox
if sandbox.Hostname != "" {
fmt.Fprintf(w, " Hostname:\t%q\n", sandbox.Hostname)
}
flags := make([]string, 0, 7)
writeFlag := func(name string, value bool) {
if value {
flags = append(flags, name)
}
}
writeFlag("userns", sandbox.UserNS)
writeFlag("net", sandbox.Net)
writeFlag("dev", sandbox.Dev)
writeFlag("tty", sandbox.NoNewSession)
writeFlag("mapuid", sandbox.MapRealUID)
writeFlag("directwl", sandbox.DirectWayland)
writeFlag("autoetc", sandbox.AutoEtc)
if len(flags) == 0 {
flags = append(flags, "none")
}
fmt.Fprintf(w, " Flags:\t%s\n", strings.Join(flags, " "))
fmt.Fprintf(w, " Overrides:\t%s\n", strings.Join(sandbox.Override, " "))
// Env map[string]string `json:"env"`
// Link [][2]string `json:"symlink"`
} else {
// this gets printed before everything else
fmt.Println("WARNING: current configuration uses permissive defaults!")
}
fmt.Fprintf(w, " Command:\t%s\n", strings.Join(config.Command, " "))
fmt.Fprintf(w, "\n")
if config.Confinement.Sandbox != nil && len(config.Confinement.Sandbox.Filesystem) > 0 {
fmt.Fprintf(w, "Filesystem:\n")
for _, f := range config.Confinement.Sandbox.Filesystem {
expr := new(strings.Builder)
if f.Device {
expr.WriteString(" d")
} else if f.Write {
expr.WriteString(" w")
} else {
expr.WriteString(" ")
}
if f.Must {
expr.WriteString("*")
} else {
expr.WriteString("+")
}
expr.WriteString(f.Src)
if f.Dst != "" {
expr.WriteString(":" + f.Dst)
}
fmt.Fprintf(w, "%s\n", expr.String())
}
fmt.Fprintf(w, "\n")
}
printDBus := func(c *dbus.Config) {
fmt.Fprintf(w, " Filter:\t%v\n", c.Filter)
if len(c.See) > 0 {
fmt.Fprintf(w, " See:\t%q\n", c.See)
}
if len(c.Talk) > 0 {
fmt.Fprintf(w, " Talk:\t%q\n", c.Talk)
}
if len(c.Own) > 0 {
fmt.Fprintf(w, " Own:\t%q\n", c.Own)
}
if len(c.Call) > 0 {
fmt.Fprintf(w, " Call:\t%q\n", c.Call)
}
if len(c.Broadcast) > 0 {
fmt.Fprintf(w, " Broadcast:\t%q\n", c.Broadcast)
}
}
if config.Confinement.SessionBus != nil {
fmt.Fprintf(w, "Session bus\n")
printDBus(config.Confinement.SessionBus)
fmt.Fprintf(w, "\n")
}
if config.Confinement.SystemBus != nil {
fmt.Fprintf(w, "System bus\n")
printDBus(config.Confinement.SystemBus)
fmt.Fprintf(w, "\n")
}
if err := w.Flush(); err != nil {
fmsg.Fatalf("cannot flush tabwriter: %v", err)
}
fmt.Print(buf.String())
}
}
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