apparmor.d/pkg/aa/capability.go
2024-06-29 22:27:39 +01:00

97 lines
2.3 KiB
Go

// apparmor.d - Full set of apparmor profiles
// Copyright (C) 2021-2024 Alexandre Pujol <alexandre@pujol.io>
// SPDX-License-Identifier: GPL-2.0-only
package aa
import (
"fmt"
)
const CAPABILITY Kind = "capability"
func init() {
requirements[CAPABILITY] = requirement{
"name": {
"audit_control", "audit_read", "audit_write", "block_suspend", "bpf",
"checkpoint_restore", "chown", "dac_override", "dac_read_search",
"fowner", "fsetid", "ipc_lock", "ipc_owner", "kill", "lease",
"linux_immutable", "mac_admin", "mac_override", "mknod", "net_admin",
"net_bind_service", "net_broadcast", "net_raw", "perfmon", "setfcap",
"setgid", "setpcap", "setuid", "sys_admin", "sys_boot", "sys_chroot",
"sys_module", "sys_nice", "sys_pacct", "sys_ptrace", "sys_rawio",
"sys_resource", "sys_time", "sys_tty_config", "syslog", "wake_alarm",
},
}
}
type Capability struct {
Base
Qualifier
Names []string
}
func newCapability(q Qualifier, rule rule) (Rule, error) {
names, err := toValues(CAPABILITY, "name", rule.GetString())
if err != nil {
return nil, err
}
return &Capability{
Base: newBase(rule),
Qualifier: q,
Names: names,
}, nil
}
func newCapabilityFromLog(log map[string]string) Rule {
return &Capability{
Base: newBaseFromLog(log),
Qualifier: newQualifierFromLog(log),
Names: Must(toValues(CAPABILITY, "name", log["capname"])),
}
}
func (r *Capability) Kind() Kind {
return CAPABILITY
}
func (r *Capability) Constraint() Constraint {
return BlockRule
}
func (r *Capability) String() string {
return renderTemplate(r.Kind(), r)
}
func (r *Capability) Validate() error {
if err := validateValues(r.Kind(), "name", r.Names); err != nil {
return fmt.Errorf("%s: %w", r, err)
}
return nil
}
func (r *Capability) Compare(other Rule) int {
o, _ := other.(*Capability)
if res := compare(r.Names, o.Names); res != 0 {
return res
}
return r.Qualifier.Compare(o.Qualifier)
}
func (r *Capability) Merge(other Rule) bool {
return false // Never merge capabilities
}
func (r *Capability) Lengths() []int {
return []int{
r.Qualifier.getLenAudit(),
r.Qualifier.getLenAccess(),
length("", r.Names),
}
}
func (r *Capability) setPaddings(max []int) {
r.Paddings = append(r.Qualifier.setPaddings(max[:2]), setPaddings(
max[2:], []string{""}, []any{r.Names})...,
)
}