profile

package
v1.4.1 Latest Latest
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 Go to latest Published: Aug 11, 2023 License: AGPL-3.0 Imports: 31 Imported by: 0

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Index

Constants

View Source 
const (
	FingerprintTypeTagID     = "tag"
	FingerprintTypeCmdlineID = "cmdline"
	FingerprintTypeEnvID     = "env"
	FingerprintTypePathID    = "path" // Matches both MatchingPath and Path.

	FingerprintOperationEqualsID = "equals"
	FingerprintOperationPrefixID = "prefix"
	FingerprintOperationRegexID  = "regex"
)

Fingerprint Type IDs.

View Source 
const (
	SourceLocal   profileSource = "local"   // local, editable
	SourceSpecial profileSource = "special" // specials (read-only)
)

Profile Sources.

View Source 
const (
	DefaultActionNotSet uint8 = 0
	DefaultActionBlock  uint8 = 1
	DefaultActionAsk    uint8 = 2
	DefaultActionPermit uint8 = 3
)

Default Action IDs.

View Source 
const (
	IconTypeFile     iconType = "path"
	IconTypeDatabase iconType = "database"
	IconTypeBlob     iconType = "blob"
)

Supported icon types.

View Source 
const (
	// UnidentifiedProfileID is the profile ID used for unidentified processes.
	UnidentifiedProfileID = "_unidentified"
	// UnidentifiedProfileName is the name used for unidentified processes.
	UnidentifiedProfileName = "Other Connections"
	// UnidentifiedProfileDescription is the description used for unidentified processes.
	UnidentifiedProfileDescription = `` /* 276-byte string literal not displayed */

	// UnsolicitedProfileID is the profile ID used for unsolicited connections.
	UnsolicitedProfileID = "_unsolicited"
	// UnsolicitedProfileName is the name used for unsolicited connections.
	UnsolicitedProfileName = "Network Noise"
	// UnsolicitedProfileDescription is the description used for unsolicited connections.
	UnsolicitedProfileDescription = `` /* 418-byte string literal not displayed */

	// SystemProfileID is the profile ID used for the system/kernel.
	SystemProfileID = "_system"
	// SystemProfileName is the name used for the system/kernel.
	SystemProfileName = "Operating System"
	// SystemProfileDescription is the description used for the system/kernel.
	SystemProfileDescription = "This is the operation system itself."

	// SystemResolverProfileID is the profile ID used for the system's DNS resolver.
	SystemResolverProfileID = "_system-resolver"
	// SystemResolverProfileName is the name used for the system's DNS resolver.
	SystemResolverProfileName = "System DNS Client"
	// SystemResolverProfileDescription is the description used for the system's DNS resolver.
	SystemResolverProfileDescription = `` /* 650-byte string literal not displayed */

	// PortmasterProfileID is the profile ID used for the Portmaster Core itself.
	PortmasterProfileID = "_portmaster"
	// PortmasterProfileName is the name used for the Portmaster Core itself.
	PortmasterProfileName = "Portmaster Core Service"
	// PortmasterProfileDescription is the description used for the Portmaster Core itself.
	PortmasterProfileDescription = `This is the Portmaster itself, which runs in the background as a system service. App specific settings have no effect.`

	// PortmasterAppProfileID is the profile ID used for the Portmaster App.
	PortmasterAppProfileID = "_portmaster-app"
	// PortmasterAppProfileName is the name used for the Portmaster App.
	PortmasterAppProfileName = "Portmaster User Interface"
	// PortmasterAppProfileDescription is the description used for the Portmaster App.
	PortmasterAppProfileDescription = `This is the Portmaster UI Windows.`

	// PortmasterNotifierProfileID is the profile ID used for the Portmaster Notifier.
	PortmasterNotifierProfileID = "_portmaster-notifier"
	// PortmasterNotifierProfileName is the name used for the Portmaster Notifier.
	PortmasterNotifierProfileName = "Portmaster Notifier"
	// PortmasterNotifierProfileDescription is the description used for the Portmaster Notifier.
	PortmasterNotifierProfileDescription = `This is the Portmaster UI Tray Notifier.`
)

Variables

View Source 
var (
	CfgOptionDefaultActionKey = "filter/defaultAction"

	DefaultActionPermitValue = "permit"
	DefaultActionBlockValue  = "block"
	DefaultActionAskValue    = "ask"

	CfgOptionBlockScopeInternetKey = "filter/blockInternet"

	CfgOptionBlockScopeLANKey = "filter/blockLAN"

	CfgOptionBlockScopeLocalKey = "filter/blockLocal"

	CfgOptionBlockP2PKey = "filter/blockP2P"

	CfgOptionBlockInboundKey = "filter/blockInbound"

	CfgOptionEndpointsKey = "filter/endpoints"

	CfgOptionServiceEndpointsKey = "filter/serviceEndpoints"

	CfgOptionFilterListsKey = "filter/lists"

	CfgOptionFilterSubDomainsKey = "filter/includeSubdomains"

	CfgOptionFilterCNAMEKey = "filter/includeCNAMEs"

	CfgOptionRemoveOutOfScopeDNSKey = "filter/removeOutOfScopeDNS"

	CfgOptionRemoveBlockedDNSKey = "filter/removeBlockedDNS"

	CfgOptionDomainHeuristicsKey = "filter/domainHeuristics"

	CfgOptionPreventBypassingKey = "filter/preventBypassing"

	CfgOptionDisableAutoPermitKey = "filter/disableAutoPermit"

	CfgOptionEnableHistoryKey = "history/enable"

	CfgOptionKeepHistoryKey = "history/keep"

	CfgOptionUseSPNKey = "spn/use"

	CfgOptionSPNUsagePolicyKey = "spn/usagePolicy"

	CfgOptionRoutingAlgorithmKey = "spn/routingAlgorithm"

	CfgOptionExitHubPolicyKey = "spn/exitHubPolicy"
)

Configuration Keys.

View Source 
var (
	// SPNRulesQuickSettings is a list of countries the SPN currently is present in
	// as quick settings in order to help users with SPN related policy settings.
	// This is a quick win to make the MVP easier to use, but will be replaced by
	// a better solution in the future.
	SPNRulesQuickSettings = []config.QuickSetting{
		{Name: "Exclude Canada (CA)", Action: config.QuickMergeTop, Value: []string{"- CA"}},
		{Name: "Exclude Finland (FI)", Action: config.QuickMergeTop, Value: []string{"- FI"}},
		{Name: "Exclude France (FR)", Action: config.QuickMergeTop, Value: []string{"- FR"}},
		{Name: "Exclude Germany (DE)", Action: config.QuickMergeTop, Value: []string{"- DE"}},
		{Name: "Exclude Israel (IL)", Action: config.QuickMergeTop, Value: []string{"- IL"}},
		{Name: "Exclude Poland (PL)", Action: config.QuickMergeTop, Value: []string{"- PL"}},
		{Name: "Exclude United Kingdom (GB)", Action: config.QuickMergeTop, Value: []string{"- GB"}},
		{Name: "Exclude United States of America (US)", Action: config.QuickMergeTop, Value: []string{"- US"}},
	}

	// SPNRulesVerdictNames defines the verdicts names to be used for SPN Rules.
	SPNRulesVerdictNames = map[string]string{
		"-": "Exclude",
		"+": "Allow",
	}

	// SPNRulesHelp defines the help text for SPN related Hub selection rules.
	SPNRulesHelp = strings.ReplaceAll(`Rules are checked from top to bottom, stopping after the first match. They can match the following attributes of SPN Nodes:

- Country (based on IPs): "US" (two-letter country codes according to ISO 3166-1 alpha-2)
- AS number: "AS123456"
- Address: "192.168.0.1"
- Network: "192.168.0.1/24"
- Anything: "*"
`, `"`, "`")
)

Functions

func KeyAndValueInTags added in v0.9.9 

func KeyAndValueInTags(tags []Tag, key, value string) bool

KeyAndValueInTags checks is the given key/value pair is in the tags.

func KeyInTags added in v0.9.9 

func KeyInTags(tags []Tag, key string) bool

KeyInTags checks is the given key is in the tags.

func MatchFingerprints added in v0.9.9 

func MatchFingerprints(prints *parsedFingerprints, md MatchingData) (highestScore int)

MatchFingerprints returns the highest matching score of the given fingerprints and matching data.

Types

type Fingerprint 

type Fingerprint struct {
	Type      string
	Key       string // Key must always fully match.
	Operation string
	Value     string
}

Fingerprint defines a way of matching a process. The Key is only valid - but required - for some types.

func (Fingerprint) MatchesKey added in v0.9.9 

func (fp Fingerprint) MatchesKey(key string) bool

MatchesKey returns whether the optional fingerprint key (for some types only) matches the given key.

type LayeredProfile added in v0.4.0 

type LayeredProfile struct {
	record.Base
	sync.RWMutex

	LayerIDs        []string
	RevisionCounter uint64

	DisableAutoPermit   config.BoolOption   `json:"-"`
	BlockScopeLocal     config.BoolOption   `json:"-"`
	BlockScopeLAN       config.BoolOption   `json:"-"`
	BlockScopeInternet  config.BoolOption   `json:"-"`
	BlockP2P            config.BoolOption   `json:"-"`
	BlockInbound        config.BoolOption   `json:"-"`
	RemoveOutOfScopeDNS config.BoolOption   `json:"-"`
	RemoveBlockedDNS    config.BoolOption   `json:"-"`
	FilterSubDomains    config.BoolOption   `json:"-"`
	FilterCNAMEs        config.BoolOption   `json:"-"`
	PreventBypassing    config.BoolOption   `json:"-"`
	DomainHeuristics    config.BoolOption   `json:"-"`
	UseSPN              config.BoolOption   `json:"-"`
	SPNRoutingAlgorithm config.StringOption `json:"-"`
	EnableHistory       config.BoolOption   `json:"-"`
	KeepHistory         config.IntOption    `json:"-"`
	// contains filtered or unexported fields
}

LayeredProfile combines multiple Profiles.

func NewLayeredProfile added in v0.4.0 

func NewLayeredProfile(localProfile *Profile) *LayeredProfile

NewLayeredProfile returns a new layered profile based on the given local profile.

func (*LayeredProfile) DefaultAction added in v0.4.0 

func (lp *LayeredProfile) DefaultAction() uint8

DefaultAction returns the active default action ID. This functions requires the layered profile to be read locked.

func (*LayeredProfile) GetProfileSource added in v0.6.0 

func (lp *LayeredProfile) GetProfileSource(configKey string) string

GetProfileSource returns the database key of the first profile in the layers that has the given configuration key set. If it returns an empty string, the global profile can be assumed to have been effective.

func (*LayeredProfile) LocalProfile added in v0.6.0 

func (lp *LayeredProfile) LocalProfile() *Profile

LocalProfile returns the local profile associated with this layered profile.

func (*LayeredProfile) LocalProfileWithoutLocking added in v0.9.1 

func (lp *LayeredProfile) LocalProfileWithoutLocking() *Profile

LocalProfileWithoutLocking returns the local profile associated with this layered profile, but without locking the layered profile. This method my only be used when the caller already has a lock on the layered profile.

func (*LayeredProfile) LockForUsage added in v0.6.0 

func (lp *LayeredProfile) LockForUsage()

LockForUsage locks the layered profile, including all layers individually.

func (*LayeredProfile) MarkStillActive added in v0.6.0 

func (lp *LayeredProfile) MarkStillActive()

MarkStillActive marks all the layers as still active.

func (*LayeredProfile) MatchEndpoint added in v0.4.0 

func (lp *LayeredProfile) MatchEndpoint(ctx context.Context, entity *intel.Entity) (endpoints.EPResult, endpoints.Reason)

MatchEndpoint checks if the given endpoint matches an entry in any of the profiles. This functions requires the layered profile to be read locked.

func (*LayeredProfile) MatchFilterLists added in v0.4.0 

func (lp *LayeredProfile) MatchFilterLists(ctx context.Context, entity *intel.Entity) (endpoints.EPResult, endpoints.Reason)

MatchFilterLists matches the entity against the set of filter lists. This functions requires the layered profile to be read locked.

func (*LayeredProfile) MatchSPNUsagePolicy added in v0.8.5 

func (lp *LayeredProfile) MatchSPNUsagePolicy(ctx context.Context, entity *intel.Entity) (endpoints.EPResult, endpoints.Reason)

MatchSPNUsagePolicy checks if the given endpoint matches an entry in any of the profiles. This functions requires the layered profile to be read locked.

func (*LayeredProfile) MatchServiceEndpoint added in v0.4.0 

func (lp *LayeredProfile) MatchServiceEndpoint(ctx context.Context, entity *intel.Entity) (endpoints.EPResult, endpoints.Reason)

MatchServiceEndpoint checks if the given endpoint of an inbound connection matches an entry in any of the profiles. This functions requires the layered profile to be read locked.

func (*LayeredProfile) NeedsUpdate added in v0.6.0 

func (lp *LayeredProfile) NeedsUpdate() (outdated bool)

NeedsUpdate checks for outdated profiles.

func (*LayeredProfile) RevisionCnt added in v0.4.4 

func (lp *LayeredProfile) RevisionCnt() (revisionCounter uint64)

RevisionCnt returns the current profile revision counter.

func (*LayeredProfile) SecurityLevel added in v0.4.0 

func (lp *LayeredProfile) SecurityLevel() uint8

SecurityLevel returns the highest security level of all layered profiles. This function is atomic and does not require any locking.

func (*LayeredProfile) StackedExitHubPolicies added in v0.8.5 

func (lp *LayeredProfile) StackedExitHubPolicies() []endpoints.Endpoints

StackedExitHubPolicies returns all exit hub policies of the layered profile, including the global one.

func (*LayeredProfile) UnlockForUsage added in v0.6.0 

func (lp *LayeredProfile) UnlockForUsage()

UnlockForUsage unlocks the layered profile, including all layers individually.

func (*LayeredProfile) Update added in v0.4.0 

func (lp *LayeredProfile) Update(md MatchingData, createProfileCallback func() *Profile) (revisionCounter uint64)

Update checks for and replaces any outdated profiles.

type MatchingData added in v0.9.9 

type MatchingData interface {
	Tags() []Tag
	Env() map[string]string
	Path() string
	MatchingPath() string
	Cmdline() string
}

MatchingData is an interface to fetching data in the matching process.

type Profile 

type Profile struct {
	record.Base
	sync.RWMutex

	// ID is a unique identifier for the profile.
	ID string // constant
	// Source describes the source of the profile.
	Source profileSource // constant
	// Name is a human readable name of the profile. It
	// defaults to the basename of the application.
	Name string
	// Description may hold an optional description of the
	// profile or the purpose of the application.
	Description string
	// Warning may hold an optional warning about this application.
	// It may be static or be added later on when the Portmaster detected an
	// issue with the application.
	Warning string
	// WarningLastUpdated holds the timestamp when the Warning field was last
	// updated.
	WarningLastUpdated time.Time
	// Homepage may refer to the website of the application
	// vendor.
	Homepage string
	// Icon holds the icon of the application. The value
	// may either be a filepath, a database key or a blob URL.
	// See IconType for more information.
	Icon string
	// IconType describes the type of the Icon property.
	IconType iconType
	// Deprecated: LinkedPath used to point to the executableis this
	// profile was created for.
	// Until removed, it will be added to the Fingerprints as an exact path match.
	LinkedPath string // constant
	// PresentationPath holds the path of an executable that should be used for
	// get representative information from, like the name of the program or the icon.
	// Is automatically removed when the path does not exist.
	// Is automatically populated with the next match when empty.
	PresentationPath string
	// UsePresentationPath can be used to enable/disable fetching information
	// from the executable at PresentationPath. In some cases, this is not
	// desirable.
	UsePresentationPath bool
	// Fingerprints holds process matching information.
	Fingerprints []Fingerprint
	// SecurityLevel is the mininum security level to apply to
	// connections made with this profile.
	// Note(ppacher): we may deprecate this one as it can easily
	//			      be "simulated" by adjusting the settings
	//				  directly.
	SecurityLevel uint8
	// Config holds profile specific setttings. It's a nested
	// object with keys defining the settings database path. All keys
	// until the actual settings value (which is everything that is not
	// an object) need to be concatenated for the settings database
	// path.
	Config map[string]interface{}

	// LastEdited holds the UTC timestamp in seconds when the profile was last
	// edited by the user. This is not set automatically, but has to be manually
	// set by the user interface.
	LastEdited int64
	// Created holds the UTC timestamp in seconds when the
	// profile has been created.
	Created int64

	// Internal is set to true if the profile is attributed to a
	// Portmaster internal process. Internal is set during profile
	// creation and may be accessed without lock.
	Internal bool
	// contains filtered or unexported fields
}

Profile is used to predefine a security profile for applications.

func EnsureProfile 

func EnsureProfile(r record.Record) (*Profile, error)

EnsureProfile ensures that the given record is a *Profile, and returns it.

func GetLocalProfile added in v0.9.9 

func GetLocalProfile(id string, md MatchingData, createProfileCallback func() *Profile) (
	profile *Profile,
	err error,
)

GetLocalProfile fetches a profile. This function ensures that the loaded profile is shared among all callers. Always provide all available data points. Passing an ID without MatchingData is valid, but could lead to inconsistent data - use with caution.

func New 

func New(profile *Profile) *Profile

New returns a new Profile. Optionally, you may supply custom configuration in the flat (key=value) form.

func (*Profile) AddEndpoint added in v0.4.0 

func (profile *Profile) AddEndpoint(newEntry string)

AddEndpoint adds an endpoint to the endpoint list, saves the profile and reloads the configuration.

func (*Profile) AddServiceEndpoint added in v0.4.0 

func (profile *Profile) AddServiceEndpoint(newEntry string)

AddServiceEndpoint adds a service endpoint to the endpoint list, saves the profile and reloads the configuration.

func (*Profile) GetEndpoints added in v0.6.15 

func (profile *Profile) GetEndpoints() endpoints.Endpoints

GetEndpoints returns the endpoint list of the profile. This functions requires the profile to be read locked.

func (*Profile) GetServiceEndpoints added in v0.6.15 

func (profile *Profile) GetServiceEndpoints() endpoints.Endpoints

GetServiceEndpoints returns the service endpoint list of the profile. This functions requires the profile to be read locked.

func (*Profile) IsOutdated added in v0.6.0 

func (profile *Profile) IsOutdated() bool

IsOutdated returns whether the this instance of the profile is marked as outdated.

func (*Profile) LastActive added in v0.6.0 

func (profile *Profile) LastActive() int64

LastActive returns the unix timestamp when the profile was last marked as still active.

func (*Profile) LayeredProfile added in v0.6.0 

func (profile *Profile) LayeredProfile() *LayeredProfile

LayeredProfile returns the layered profile associated with this profile.

func (*Profile) MarkStillActive added in v0.6.0 

func (profile *Profile) MarkStillActive()

MarkStillActive marks the profile as still active.

func (*Profile) Save 

func (profile *Profile) Save() error

Save saves the profile to the database.

func (*Profile) ScopedID added in v0.4.0 

func (profile *Profile) ScopedID() string

ScopedID returns the scoped ID (Source + ID) of the profile.

func (*Profile) String 

func (profile *Profile) String() string

String returns a string representation of the Profile.

type Tag added in v0.9.9 

type Tag struct {
	Key   string
	Value string
}

Tag represents a simple key/value kind of tag used in process metadata and fingerprints.

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