1 files changed, 83 insertions, 0 deletions
diff --git a/hst/config.go b/hst/config.go
new file mode 100644
index 00000000..1c3390bf
--- /dev/null
+++ b/hst/config.go
@@ -0,0 +1,83 @@
+// Package hst exports shared types for invoking hakurei.
+package hst
+
+import (
+	"git.gensokyo.uk/security/hakurei/dbus"
+	"git.gensokyo.uk/security/hakurei/system"
+)
+
+const Tmp = "/.hakurei"
+
+// Config is used to seal an app implementation.
+type Config struct {
+	// reverse-DNS style arbitrary identifier string from config;
+	// passed to wayland security-context-v1 as application ID
+	// and used as part of defaults in dbus session proxy
+	ID string `json:"id"`
+
+	// absolute path to executable file
+	Path string `json:"path,omitempty"`
+	// final args passed to container init
+	Args []string `json:"args"`
+
+	// system services to make available in the container
+	Enablements system.Enablement `json:"enablements"`
+
+	// session D-Bus proxy configuration;
+	// nil makes session bus proxy assume built-in defaults
+	SessionBus *dbus.Config `json:"session_bus,omitempty"`
+	// system D-Bus proxy configuration;
+	// nil disables system bus proxy
+	SystemBus *dbus.Config `json:"system_bus,omitempty"`
+	// direct access to wayland socket; when this gets set no attempt is made to attach security-context-v1
+	// and the bare socket is mounted to the sandbox
+	DirectWayland bool `json:"direct_wayland,omitempty"`
+
+	// passwd username in container, defaults to passwd name of target uid or chronos
+	Username string `json:"username,omitempty"`
+	// absolute path to shell, empty for host shell
+	Shell string `json:"shell,omitempty"`
+	// absolute path to home directory in the init mount namespace
+	Data string `json:"data"`
+	// directory to enter and use as home in the container mount namespace, empty for Data
+	Dir string `json:"dir"`
+	// extra acl ops, dispatches before container init
+	ExtraPerms []*ExtraPermConfig `json:"extra_perms,omitempty"`
+
+	// numerical application id, used for init user namespace credentials
+	Identity int `json:"identity"`
+	// list of supplementary groups inherited by container processes
+	Groups []string `json:"groups"`
+
+	// abstract container configuration baseline
+	Container *ContainerConfig `json:"container"`
+}
+
+// ExtraPermConfig describes an acl update op.
+type ExtraPermConfig struct {
+	Ensure  bool   `json:"ensure,omitempty"`
+	Path    string `json:"path"`
+	Read    bool   `json:"r,omitempty"`
+	Write   bool   `json:"w,omitempty"`
+	Execute bool   `json:"x,omitempty"`
+}
+
+func (e *ExtraPermConfig) String() string {
+	buf := make([]byte, 0, 5+len(e.Path))
+	buf = append(buf, '-', '-', '-')
+	if e.Ensure {
+		buf = append(buf, '+')
+	}
+	buf = append(buf, ':')
+	buf = append(buf, []byte(e.Path)...)
+	if e.Read {
+		buf[0] = 'r'
+	}
+	if e.Write {
+		buf[1] = 'w'
+	}
+	if e.Execute {
+		buf[2] = 'x'
+	}
+	return string(buf)
+}