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allow user to specify arbitrary allowed IP networks in allowManaged

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This commit is contained in:
Michał Zieliński 2017-01-22 23:02:34 +01:00
parent 9a475eeff9
commit 8f2a42d1ad
4 changed files with 60 additions and 9 deletions
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41
service/OneService.cpp
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@ -1039,6 +1039,18 @@ public:
{
if (!n.settings.allowManaged)
return false;
if (n.settings.allowManagedWhitelist.size() > 0) {
bool allowed = false;
for (InetAddress addr : n.settings.allowManagedWhitelist) {
if (addr.containsAddress(target) && addr.netmaskBits() <= target.netmaskBits()) {
allowed = true;
break;
}
}
if (!allowed) return false;
}
if (target.isDefaultRoute())
return n.settings.allowDefault;
switch(target.ipScope()) {
@ -1423,9 +1435,32 @@ public:
if (OSUtils::readFile(nlcpath,nlcbuf)) {
Dictionary<4096> nc;
nc.load(nlcbuf.c_str());
n.settings.allowManaged = nc.getB("allowManaged",true);
n.settings.allowGlobal = nc.getB("allowGlobal",false);
n.settings.allowDefault = nc.getB("allowDefault",false);
Buffer<1024> allowManaged;
if (nc.get("allowManaged", allowManaged) && allowManaged.size() != 0) {
std::string addresses (allowManaged.begin(), allowManaged.size());
if (allowManaged.size() <= 5) { // untidy parsing for backward compatibility
if (allowManaged[0] == '1' || allowManaged[0] == 't' || allowManaged[0] == 'T') {
n.settings.allowManaged = true;
} else {
n.settings.allowManaged = false;
}
} else {
// this should be a list of IP addresses
n.settings.allowManaged = true;
size_t pos = 0;
while (true) {
size_t nextPos = addresses.find(',', pos);
std::string address = addresses.substr(pos, (nextPos == std::string::npos ? addresses.size() : nextPos) - pos);
n.settings.allowManagedWhitelist.push_back(InetAddress(address));
if (nextPos == std::string::npos) break;
pos = nextPos + 1;
}
}
} else {
n.settings.allowManaged = true;
}
n.settings.allowGlobal = nc.getB("allowGlobal", false);
n.settings.allowDefault = nc.getB("allowDefault", false);
}
} catch (std::exception &exc) {
#ifdef __WINDOWS__