Boolean
SCNetworkSetContainsInterface(SCNetworkSetRef set, SCNetworkInterfaceRef interface)
{
Boolean found = FALSE;
CFArrayRef services;
services = SCNetworkSetCopyServices(set);
if (services != NULL) {
found = __SCNetworkServiceExistsForInterface(services, interface);
CFRelease(services);
}
return found;
}
static Boolean
__SCNetworkSetEstablishDefaultConfigurationForInterfaces(SCNetworkSetRef set, CFArrayRef interfaces, Boolean excludeHidden)
{
CFSetRef excluded = NULL;
CFIndex i;
CFIndex n = 0;
Boolean ok = TRUE;
CFArrayRef services;
SCNetworkSetPrivateRef setPrivate = (SCNetworkSetPrivateRef)set;
Boolean updated = FALSE;
Boolean updatedIFs = FALSE;
#if TARGET_OS_IPHONE
CFArrayRef orphans = NULL;
CFArrayRef sets;
sets = SCNetworkSetCopyAll(setPrivate->prefs);
if (sets != NULL) {
if (CFArrayGetCount(sets) == 1) {
services = SCNetworkSetCopyServices(set);
if (services != NULL) {
n = CFArrayGetCount(services);
CFRelease(services);
}
if ((n == 0) && CFEqual(set, CFArrayGetValueAtIndex(sets, 0))) {
// after a "Reset Network Settings" we need to find (and
// add back) any VPN services that were orphaned.
orphans = SCNetworkServiceCopyAll(setPrivate->prefs);
}
}
CFRelease(sets);
}
#endif // TARGET_OS_IPHONE
// copy network services
services = copyServices(set);
// copy network interfaces to be excluded
excluded = copyExcludedInterfaces(setPrivate->prefs);
#if !TARGET_OS_IPHONE
// look for interfaces that should auto-magically be added
// to an Ethernet bridge
n = (interfaces != NULL) ? CFArrayGetCount(interfaces) : 0;
for (i = 0; i < n; i++) {
SCBridgeInterfaceRef bridge = NULL;
SCNetworkInterfaceRef interface;
interface = CFArrayGetValueAtIndex(interfaces, i);
if (excludeHidden && skipInterface(interface)) {
// if not auto-configure
continue;
}
if ((excluded != NULL)
&& CFSetContainsValue(excluded, interface)) {
// if this interface is a member of a Bond or Bridge
continue;
}
if (__SCNetworkServiceExistsForInterface(services, interface)) {
// if this is not a new interface
continue;
}
if (_SCNetworkInterfaceIsBuiltin(interface) &&
_SCNetworkInterfaceIsThunderbolt(interface) &&
!isA_SCBridgeInterface(interface)) {
// add built-in Thunderbolt interfaces to bridge
bridge = copyAutoBridgeInterface(setPrivate->prefs, CFSTR("thunderbolt-bridge"));
}
if (bridge != NULL) {
CFIndex bridgeIndex;
CFArrayRef members;
CFMutableArrayRef newMembers;
CFMutableSetRef newExcluded;
CFMutableArrayRef newInterfaces;
CFArrayRef newServices;
// track the bridge interface (if it's in our list)
bridgeIndex = CFArrayGetFirstIndexOfValue(interfaces,
CFRangeMake(0, CFArrayGetCount(interfaces)),
bridge);
// add new member interface
members = SCBridgeInterfaceGetMemberInterfaces(bridge);
if ((members != NULL) && (CFArrayGetCount(members) > 0)) {
newMembers = CFArrayCreateMutableCopy(NULL, 0, members);
updated = TRUE; // if we're updating an existing bridge
} else {
newMembers = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
}
CFArrayAppendValue(newMembers, interface);
ok = SCBridgeInterfaceSetMemberInterfaces(bridge, newMembers);
CFRelease(newMembers);
if (!ok) {
SC_log(LOG_INFO, "could not update bridge with \"%@\": %s",
SCNetworkInterfaceGetLocalizedDisplayName(interface),
SCErrorString(SCError()));
CFRelease(bridge);
continue;
}
// exclude the new member interface
newExcluded = CFSetCreateMutableCopy(NULL, 0, excluded);
CFRelease(excluded);
CFSetAddValue(newExcluded, interface);
excluded = newExcluded;
// update the list of interfaces to include the [new or updated] bridge
newInterfaces = CFArrayCreateMutableCopy(NULL, 0, interfaces);
if (bridgeIndex != kCFNotFound) {
CFArraySetValueAtIndex(newInterfaces, bridgeIndex, bridge);
} else {
CFArrayAppendValue(newInterfaces, bridge);
}
if (updatedIFs) {
CFRelease(interfaces);
}
interfaces = newInterfaces;
updatedIFs = TRUE;
// refresh [existing] services
newServices = updateServices(services, bridge);
if (newServices != NULL) {
CFRelease(services);
services = newServices;
}
CFRelease(bridge);
}
}
#endif // !TARGET_OS_IPHONE
n = (interfaces != NULL) ? CFArrayGetCount(interfaces) : 0;
for (i = 0; i < n; i++) {
SCNetworkInterfaceRef interface;
CFMutableArrayRef interface_list;
interface = CFArrayGetValueAtIndex(interfaces, i);
if (excludeHidden && skipInterface(interface)) {
// if not auto-configure
continue;
}
if ((excluded != NULL)
&& CFSetContainsValue(excluded, interface)) {
// if this interface is a member of a Bond or Bridge
continue;
}
if (__SCNetworkServiceExistsForInterface(services, interface)) {
// if this is not a new interface
continue;
}
interface_list = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
CFArrayAppendValue(interface_list, interface);
while (ok && (CFArrayGetCount(interface_list) > 0)) {
CFArrayRef protocol_types;
interface = CFArrayGetValueAtIndex(interface_list, 0);
protocol_types = SCNetworkInterfaceGetSupportedProtocolTypes(interface);
if ((protocol_types != NULL) && (CFArrayGetCount(protocol_types) > 0)) {
SCNetworkServiceRef service;
service = SCNetworkServiceCreate(setPrivate->prefs, interface);
if (service == NULL) {
SC_log(LOG_INFO, "could not create service for \"%@\": %s",
SCNetworkInterfaceGetLocalizedDisplayName(interface),
SCErrorString(SCError()));
ok = FALSE;
goto nextInterface;
}
ok = SCNetworkServiceEstablishDefaultConfiguration(service);
if (!ok) {
SC_log(LOG_INFO, "could not estabish default configuration for \"%@\": %s",
SCNetworkInterfaceGetLocalizedDisplayName(interface),
SCErrorString(SCError()));
SCNetworkServiceRemove(service);
CFRelease(service);
goto nextInterface;
}
ok = SCNetworkSetAddService(set, service);
if (!ok) {
SC_log(LOG_INFO, "could not add service for \"%@\": %s",
SCNetworkInterfaceGetLocalizedDisplayName(interface),
SCErrorString(SCError()));
SCNetworkServiceRemove(service);
CFRelease(service);
goto nextInterface;
}
CFRelease(service);
updated = TRUE;
} else {
add_supported_interfaces(interface_list, interface);
}
nextInterface :
CFArrayRemoveValueAtIndex(interface_list, 0);
}
CFRelease(interface_list);
}
if (updatedIFs) CFRelease(interfaces);
if (services != NULL) CFRelease(services);
if (excluded != NULL) CFRelease(excluded);
#if TARGET_OS_IPHONE
if (orphans != NULL) {
if (ok && updated) {
CFIndex i;
CFIndex n = CFArrayGetCount(orphans);
for (i = 0; i < n; i++) {
SCNetworkServiceRef service;
service = CFArrayGetValueAtIndex(orphans, i);
if (_SCNetworkServiceIsVPN(service)) {
ok = SCNetworkSetAddService(set, service);
if (!ok) {
break;
}
}
}
}
CFRelease(orphans);
}
#endif // TARGET_OS_IPHONE
if (ok && !updated) {
// if no changes were made
_SCErrorSet(kSCStatusOK);
}
return updated;
}
Boolean
SCBondInterfaceSetMemberInterfaces(SCBondInterfaceRef bond, CFArrayRef members)
{
SCNetworkInterfacePrivateRef interfacePrivate = (SCNetworkInterfacePrivateRef)bond;
Boolean ok;
int sc_status = kSCStatusOK;
if (!isA_SCBondInterface(bond)) {
_SCErrorSet(kSCStatusInvalidArgument);
return FALSE;
}
if ((members != NULL) && !isA_CFArray(members)) {
_SCErrorSet(kSCStatusInvalidArgument);
return FALSE;
}
if (interfacePrivate->prefs != NULL) {
CFArrayRef available;
CFArrayRef current;
CFIndex i;
CFIndex n_available;
CFIndex n_current;
CFIndex n_members;
CFArrayRef services = NULL;
current = SCBondInterfaceGetMemberInterfaces(bond);
n_current = (current != NULL) ? CFArrayGetCount(current) : 0;
available = SCBondInterfaceCopyAvailableMemberInterfaces(interfacePrivate->prefs);
n_available = (available != NULL) ? CFArrayGetCount(available) : 0;
n_members = (members != NULL) ? CFArrayGetCount(members) : 0;
for (i = 0; i < n_members; i++) {
SCNetworkInterfaceRef member;
member = CFArrayGetValueAtIndex(members, i);
if ((current != NULL) &&
CFArrayContainsValue(current, CFRangeMake(0, n_current), member)) {
// current members are allowed
continue;
}
if ((available != NULL) &&
CFArrayContainsValue(available, CFRangeMake(0, n_available), member)) {
// available members are allowed but cannot be associated
// with any other network services.
if (services == NULL) {
services = __SCNetworkServiceCopyAllEnabled(interfacePrivate->prefs);
}
if ((services != NULL) &&
__SCNetworkServiceExistsForInterface(services, member)) {
sc_status = kSCStatusKeyExists;
break;
}
// if available
continue;
}
// if member not allowed
sc_status = kSCStatusInvalidArgument;
break;
}
if (available != NULL) CFRelease(available);
if (services != NULL) CFRelease(services);
}
if (sc_status != kSCStatusOK) {
_SCErrorSet(sc_status);
return FALSE;
}
ok = _SCBondInterfaceSetMemberInterfaces(bond, members);
return ok;
}
