fortify/helper/bwrap/arg.static.pair.go
Ophestra Umiker 3015266e5a
helper/bwrap: sort SetEnv arguments
This guarantees consistency of resulting args.

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>
2024-10-15 02:55:48 +09:00

74 lines
1.1 KiB
Go

package bwrap
import (
"slices"
)
const (
SetEnv = iota
Bind
BindTry
DevBind
DevBindTry
ROBind
ROBindTry
Chmod
)
var pairArgs = [...]string{
SetEnv: "--setenv",
Bind: "--bind",
BindTry: "--bind-try",
DevBind: "--dev-bind",
DevBindTry: "--dev-bind-try",
ROBind: "--ro-bind",
ROBindTry: "--ro-bind-try",
Chmod: "--chmod",
}
func (c *Config) pairArgs() Builder {
var n pairArg
n[SetEnv] = make([][2]string, len(c.SetEnv))
keys := make([]string, 0, len(c.SetEnv))
for k := range c.SetEnv {
keys = append(keys, k)
}
slices.Sort(keys)
for i, k := range keys {
n[SetEnv][i] = [2]string{k, c.SetEnv[k]}
}
// Arg types:
// Bind
// BindTry
// DevBind
// DevBindTry
// ROBind
// ROBindTry
// Chmod
// are handled by the sequential builder
return &n
}
type pairArg [len(pairArgs)][][2]string
func (p *pairArg) Len() (l int) {
for _, v := range p {
l += len(v) * 3
}
return
}
func (p *pairArg) Append(args *[]string) {
for i, arg := range p {
for _, v := range arg {
*args = append(*args, pairArgs[i], v[0], v[1])
}
}
}