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-rw-r--r--src/httpserver.cpp4
-rw-r--r--src/init.cpp8
-rw-r--r--src/net.cpp9
-rw-r--r--src/net_permissions.cpp4
-rw-r--r--src/netbase.cpp77
-rw-r--r--src/netbase.h14
-rw-r--r--src/qt/optionsdialog.cpp2
-rw-r--r--src/qt/rpcconsole.cpp2
-rw-r--r--src/rpc/net.cpp4
-rw-r--r--src/test/netbase_tests.cpp2
-rw-r--r--src/torcontrol.cpp2
11 files changed, 74 insertions, 54 deletions
diff --git a/src/httpserver.cpp b/src/httpserver.cpp
index 7179949eaf..0e13b85806 100644
--- a/src/httpserver.cpp
+++ b/src/httpserver.cpp
@@ -172,7 +172,7 @@ static bool InitHTTPAllowList()
rpc_allow_subnets.push_back(CSubNet(localv6)); // always allow IPv6 localhost
for (const std::string& strAllow : gArgs.GetArgs("-rpcallowip")) {
CSubNet subnet;
- LookupSubNet(strAllow.c_str(), subnet);
+ LookupSubNet(strAllow, subnet);
if (!subnet.IsValid()) {
uiInterface.ThreadSafeMessageBox(
strprintf("Invalid -rpcallowip subnet specification: %s. Valid are a single IP (e.g. 1.2.3.4), a network/netmask (e.g. 1.2.3.4/255.255.255.0) or a network/CIDR (e.g. 1.2.3.4/24).", strAllow),
@@ -324,7 +324,7 @@ static bool HTTPBindAddresses(struct evhttp* http)
evhttp_bound_socket *bind_handle = evhttp_bind_socket_with_handle(http, i->first.empty() ? nullptr : i->first.c_str(), i->second);
if (bind_handle) {
CNetAddr addr;
- if (i->first.empty() || (LookupHost(i->first.c_str(), addr, false) && addr.IsBindAny())) {
+ if (i->first.empty() || (LookupHost(i->first, addr, false) && addr.IsBindAny())) {
LogPrintf("WARNING: the RPC server is not safe to expose to untrusted networks such as the public internet\n");
}
boundSockets.push_back(bind_handle);
diff --git a/src/init.cpp b/src/init.cpp
index dc0f2ce05c..3bb3b9f01e 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1354,7 +1354,7 @@ bool AppInitMain(NodeContext& node)
SetReachable(NET_ONION, false);
if (proxyArg != "" && proxyArg != "0") {
CService proxyAddr;
- if (!Lookup(proxyArg.c_str(), proxyAddr, 9050, fNameLookup)) {
+ if (!Lookup(proxyArg, proxyAddr, 9050, fNameLookup)) {
return InitError(strprintf(_("Invalid -proxy address or hostname: '%s'").translated, proxyArg));
}
@@ -1378,7 +1378,7 @@ bool AppInitMain(NodeContext& node)
SetReachable(NET_ONION, false);
} else {
CService onionProxy;
- if (!Lookup(onionArg.c_str(), onionProxy, 9050, fNameLookup)) {
+ if (!Lookup(onionArg, onionProxy, 9050, fNameLookup)) {
return InitError(strprintf(_("Invalid -onion address or hostname: '%s'").translated, onionArg));
}
proxyType addrOnion = proxyType(onionProxy, proxyRandomize);
@@ -1396,7 +1396,7 @@ bool AppInitMain(NodeContext& node)
for (const std::string& strAddr : gArgs.GetArgs("-externalip")) {
CService addrLocal;
- if (Lookup(strAddr.c_str(), addrLocal, GetListenPort(), fNameLookup) && addrLocal.IsValid())
+ if (Lookup(strAddr, addrLocal, GetListenPort(), fNameLookup) && addrLocal.IsValid())
AddLocal(addrLocal, LOCAL_MANUAL);
else
return InitError(ResolveErrMsg("externalip", strAddr));
@@ -1776,7 +1776,7 @@ bool AppInitMain(NodeContext& node)
for (const std::string& strBind : gArgs.GetArgs("-bind")) {
CService addrBind;
- if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false)) {
+ if (!Lookup(strBind, addrBind, GetListenPort(), false)) {
return InitError(ResolveErrMsg("bind", strBind));
}
connOptions.vBinds.push_back(addrBind);
diff --git a/src/net.cpp b/src/net.cpp
index 99dae88bab..4e1f4cd8ec 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -410,7 +410,7 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo
if (hSocket == INVALID_SOCKET) {
return nullptr;
}
- connected = ConnectThroughProxy(proxy, addrConnect.ToStringIP(), addrConnect.GetPort(), hSocket, nConnectTimeout, &proxyConnectionFailed);
+ connected = ConnectThroughProxy(proxy, addrConnect.ToStringIP(), addrConnect.GetPort(), hSocket, nConnectTimeout, proxyConnectionFailed);
} else {
// no proxy needed (none set for target network)
hSocket = CreateSocket(addrConnect);
@@ -432,7 +432,8 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo
std::string host;
int port = default_port;
SplitHostPort(std::string(pszDest), port, host);
- connected = ConnectThroughProxy(proxy, host, port, hSocket, nConnectTimeout, nullptr);
+ bool proxyConnectionFailed;
+ connected = ConnectThroughProxy(proxy, host, port, hSocket, nConnectTimeout, proxyConnectionFailed);
}
if (!connected) {
CloseSocket(hSocket);
@@ -1609,7 +1610,7 @@ void CConnman::ThreadDNSAddressSeed()
continue;
}
unsigned int nMaxIPs = 256; // Limits number of IPs learned from a DNS seed
- if (LookupHost(host.c_str(), vIPs, nMaxIPs, true)) {
+ if (LookupHost(host, vIPs, nMaxIPs, true)) {
for (const CNetAddr& ip : vIPs) {
int nOneDay = 24*3600;
CAddress addr = CAddress(CService(ip, Params().GetDefaultPort()), requiredServiceBits);
@@ -1907,7 +1908,7 @@ std::vector<AddedNodeInfo> CConnman::GetAddedNodeInfo()
}
for (const std::string& strAddNode : lAddresses) {
- CService service(LookupNumeric(strAddNode.c_str(), Params().GetDefaultPort()));
+ CService service(LookupNumeric(strAddNode, Params().GetDefaultPort()));
AddedNodeInfo addedNode{strAddNode, CService(), false, false};
if (service.IsValid()) {
// strAddNode is an IP:port
diff --git a/src/net_permissions.cpp b/src/net_permissions.cpp
index c3947173de..22fa5ee73b 100644
--- a/src/net_permissions.cpp
+++ b/src/net_permissions.cpp
@@ -71,7 +71,7 @@ bool NetWhitebindPermissions::TryParse(const std::string str, NetWhitebindPermis
const std::string strBind = str.substr(offset);
CService addrBind;
- if (!Lookup(strBind.c_str(), addrBind, 0, false)) {
+ if (!Lookup(strBind, addrBind, 0, false)) {
error = ResolveErrMsg("whitebind", strBind);
return false;
}
@@ -94,7 +94,7 @@ bool NetWhitelistPermissions::TryParse(const std::string str, NetWhitelistPermis
const std::string net = str.substr(offset);
CSubNet subnet;
- LookupSubNet(net.c_str(), subnet);
+ LookupSubNet(net, subnet);
if (!subnet.IsValid()) {
error = strprintf(_("Invalid netmask specified in -whitelist: '%s'").translated, net);
return false;
diff --git a/src/netbase.cpp b/src/netbase.cpp
index 735003cb06..d87b14a6ab 100644
--- a/src/netbase.cpp
+++ b/src/netbase.cpp
@@ -7,8 +7,9 @@
#include <sync.h>
#include <tinyformat.h>
-#include <util/system.h>
#include <util/strencodings.h>
+#include <util/string.h>
+#include <util/system.h>
#include <atomic>
@@ -59,10 +60,14 @@ std::string GetNetworkName(enum Network net) {
}
}
-bool static LookupIntern(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup)
+bool static LookupIntern(const std::string& name, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup)
{
vIP.clear();
+ if (!ValidAsCString(name)) {
+ return false;
+ }
+
{
CNetAddr addr;
// From our perspective, onion addresses are not hostnames but rather
@@ -71,7 +76,7 @@ bool static LookupIntern(const char *pszName, std::vector<CNetAddr>& vIP, unsign
// getaddrinfo to decode them and it wouldn't make sense to resolve
// them, we return a network address representing it instead. See
// CNetAddr::SetSpecial(const std::string&) for more details.
- if (addr.SetSpecial(std::string(pszName))) {
+ if (addr.SetSpecial(name)) {
vIP.push_back(addr);
return true;
}
@@ -93,7 +98,7 @@ bool static LookupIntern(const char *pszName, std::vector<CNetAddr>& vIP, unsign
// hostname lookups.
aiHint.ai_flags = fAllowLookup ? AI_ADDRCONFIG : AI_NUMERICHOST;
struct addrinfo *aiRes = nullptr;
- int nErr = getaddrinfo(pszName, nullptr, &aiHint, &aiRes);
+ int nErr = getaddrinfo(name.c_str(), nullptr, &aiHint, &aiRes);
if (nErr)
return false;
@@ -131,7 +136,7 @@ bool static LookupIntern(const char *pszName, std::vector<CNetAddr>& vIP, unsign
/**
* Resolve a host string to its corresponding network addresses.
*
- * @param pszName The string representing a host. Could be a name or a numerical
+ * @param name The string representing a host. Could be a name or a numerical
* IP address (IPv6 addresses in their bracketed form are
* allowed).
* @param[out] vIP The resulting network addresses to which the specified host
@@ -143,28 +148,34 @@ bool static LookupIntern(const char *pszName, std::vector<CNetAddr>& vIP, unsign
* @see Lookup(const char *, std::vector<CService>&, int, bool, unsigned int)
* for additional parameter descriptions.
*/
-bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup)
+bool LookupHost(const std::string& name, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup)
{
- std::string strHost(pszName);
+ if (!ValidAsCString(name)) {
+ return false;
+ }
+ std::string strHost = name;
if (strHost.empty())
return false;
if (strHost.front() == '[' && strHost.back() == ']') {
strHost = strHost.substr(1, strHost.size() - 2);
}
- return LookupIntern(strHost.c_str(), vIP, nMaxSolutions, fAllowLookup);
+ return LookupIntern(strHost, vIP, nMaxSolutions, fAllowLookup);
}
/**
* Resolve a host string to its first corresponding network address.
*
- * @see LookupHost(const char *, std::vector<CNetAddr>&, unsigned int, bool) for
+ * @see LookupHost(const std::string&, std::vector<CNetAddr>&, unsigned int, bool) for
* additional parameter descriptions.
*/
-bool LookupHost(const char *pszName, CNetAddr& addr, bool fAllowLookup)
+bool LookupHost(const std::string& name, CNetAddr& addr, bool fAllowLookup)
{
+ if (!ValidAsCString(name)) {
+ return false;
+ }
std::vector<CNetAddr> vIP;
- LookupHost(pszName, vIP, 1, fAllowLookup);
+ LookupHost(name, vIP, 1, fAllowLookup);
if(vIP.empty())
return false;
addr = vIP.front();
@@ -174,7 +185,7 @@ bool LookupHost(const char *pszName, CNetAddr& addr, bool fAllowLookup)
/**
* Resolve a service string to its corresponding service.
*
- * @param pszName The string representing a service. Could be a name or a
+ * @param name The string representing a service. Could be a name or a
* numerical IP address (IPv6 addresses should be in their
* disambiguated bracketed form), optionally followed by a port
* number. (e.g. example.com:8333 or
@@ -191,16 +202,17 @@ bool LookupHost(const char *pszName, CNetAddr& addr, bool fAllowLookup)
* @returns Whether or not the service string successfully resolved to any
* resulting services.
*/
-bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault, bool fAllowLookup, unsigned int nMaxSolutions)
+bool Lookup(const std::string& name, std::vector<CService>& vAddr, int portDefault, bool fAllowLookup, unsigned int nMaxSolutions)
{
- if (pszName[0] == 0)
+ if (name.empty() || !ValidAsCString(name)) {
return false;
+ }
int port = portDefault;
std::string hostname;
- SplitHostPort(std::string(pszName), port, hostname);
+ SplitHostPort(name, port, hostname);
std::vector<CNetAddr> vIP;
- bool fRet = LookupIntern(hostname.c_str(), vIP, nMaxSolutions, fAllowLookup);
+ bool fRet = LookupIntern(hostname, vIP, nMaxSolutions, fAllowLookup);
if (!fRet)
return false;
vAddr.resize(vIP.size());
@@ -215,10 +227,13 @@ bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault,
* @see Lookup(const char *, std::vector<CService>&, int, bool, unsigned int)
* for additional parameter descriptions.
*/
-bool Lookup(const char *pszName, CService& addr, int portDefault, bool fAllowLookup)
+bool Lookup(const std::string& name, CService& addr, int portDefault, bool fAllowLookup)
{
+ if (!ValidAsCString(name)) {
+ return false;
+ }
std::vector<CService> vService;
- bool fRet = Lookup(pszName, vService, portDefault, fAllowLookup, 1);
+ bool fRet = Lookup(name, vService, portDefault, fAllowLookup, 1);
if (!fRet)
return false;
addr = vService[0];
@@ -235,12 +250,15 @@ bool Lookup(const char *pszName, CService& addr, int portDefault, bool fAllowLoo
* @see Lookup(const char *, CService&, int, bool) for additional parameter
* descriptions.
*/
-CService LookupNumeric(const char *pszName, int portDefault)
+CService LookupNumeric(const std::string& name, int portDefault)
{
+ if (!ValidAsCString(name)) {
+ return {};
+ }
CService addr;
// "1.2:345" will fail to resolve the ip, but will still set the port.
// If the ip fails to resolve, re-init the result.
- if(!Lookup(pszName, addr, portDefault, false))
+ if(!Lookup(name, addr, portDefault, false))
addr = CService();
return addr;
}
@@ -768,12 +786,11 @@ bool IsProxy(const CNetAddr &addr) {
*
* @returns Whether or not the operation succeeded.
*/
-bool ConnectThroughProxy(const proxyType &proxy, const std::string& strDest, int port, const SOCKET& hSocket, int nTimeout, bool *outProxyConnectionFailed)
+bool ConnectThroughProxy(const proxyType &proxy, const std::string& strDest, int port, const SOCKET& hSocket, int nTimeout, bool& outProxyConnectionFailed)
{
// first connect to proxy server
if (!ConnectSocketDirectly(proxy.proxy, hSocket, nTimeout, true)) {
- if (outProxyConnectionFailed)
- *outProxyConnectionFailed = true;
+ outProxyConnectionFailed = true;
return false;
}
// do socks negotiation
@@ -796,23 +813,25 @@ bool ConnectThroughProxy(const proxyType &proxy, const std::string& strDest, int
* Parse and resolve a specified subnet string into the appropriate internal
* representation.
*
- * @param pszName A string representation of a subnet of the form `network
+ * @param strSubnet A string representation of a subnet of the form `network
* address [ "/", ( CIDR-style suffix | netmask ) ]`(e.g.
* `2001:db8::/32`, `192.0.2.0/255.255.255.0`, or `8.8.8.8`).
* @param ret The resulting internal representation of a subnet.
*
* @returns Whether the operation succeeded or not.
*/
-bool LookupSubNet(const char* pszName, CSubNet& ret)
+bool LookupSubNet(const std::string& strSubnet, CSubNet& ret)
{
- std::string strSubnet(pszName);
+ if (!ValidAsCString(strSubnet)) {
+ return false;
+ }
size_t slash = strSubnet.find_last_of('/');
std::vector<CNetAddr> vIP;
std::string strAddress = strSubnet.substr(0, slash);
- // TODO: Use LookupHost(const char *, CNetAddr&, bool) instead to just get
+ // TODO: Use LookupHost(const std::string&, CNetAddr&, bool) instead to just get
// one CNetAddr.
- if (LookupHost(strAddress.c_str(), vIP, 1, false))
+ if (LookupHost(strAddress, vIP, 1, false))
{
CNetAddr network = vIP[0];
if (slash != strSubnet.npos)
@@ -827,7 +846,7 @@ bool LookupSubNet(const char* pszName, CSubNet& ret)
else // If not a valid number, try full netmask syntax
{
// Never allow lookup for netmask
- if (LookupHost(strNetmask.c_str(), vIP, 1, false)) {
+ if (LookupHost(strNetmask, vIP, 1, false)) {
ret = CSubNet(network, vIP[0]);
return ret.IsValid();
}
diff --git a/src/netbase.h b/src/netbase.h
index 8f9d65bf3a..ac4cd97673 100644
--- a/src/netbase.h
+++ b/src/netbase.h
@@ -45,15 +45,15 @@ bool IsProxy(const CNetAddr &addr);
bool SetNameProxy(const proxyType &addrProxy);
bool HaveNameProxy();
bool GetNameProxy(proxyType &nameProxyOut);
-bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup);
-bool LookupHost(const char *pszName, CNetAddr& addr, bool fAllowLookup);
-bool Lookup(const char *pszName, CService& addr, int portDefault, bool fAllowLookup);
-bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault, bool fAllowLookup, unsigned int nMaxSolutions);
-CService LookupNumeric(const char *pszName, int portDefault = 0);
-bool LookupSubNet(const char *pszName, CSubNet& subnet);
+bool LookupHost(const std::string& name, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup);
+bool LookupHost(const std::string& name, CNetAddr& addr, bool fAllowLookup);
+bool Lookup(const std::string& name, CService& addr, int portDefault, bool fAllowLookup);
+bool Lookup(const std::string& name, std::vector<CService>& vAddr, int portDefault, bool fAllowLookup, unsigned int nMaxSolutions);
+CService LookupNumeric(const std::string& name, int portDefault = 0);
+bool LookupSubNet(const std::string& strSubnet, CSubNet& subnet);
SOCKET CreateSocket(const CService &addrConnect);
bool ConnectSocketDirectly(const CService &addrConnect, const SOCKET& hSocketRet, int nTimeout, bool manual_connection);
-bool ConnectThroughProxy(const proxyType &proxy, const std::string& strDest, int port, const SOCKET& hSocketRet, int nTimeout, bool *outProxyConnectionFailed);
+bool ConnectThroughProxy(const proxyType &proxy, const std::string& strDest, int port, const SOCKET& hSocketRet, int nTimeout, bool& outProxyConnectionFailed);
/** Return readable error string for a network error code */
std::string NetworkErrorString(int err);
/** Close socket and set hSocket to INVALID_SOCKET */
diff --git a/src/qt/optionsdialog.cpp b/src/qt/optionsdialog.cpp
index 2f612664df..8ee6c947e6 100644
--- a/src/qt/optionsdialog.cpp
+++ b/src/qt/optionsdialog.cpp
@@ -375,7 +375,7 @@ QValidator::State ProxyAddressValidator::validate(QString &input, int &pos) cons
{
Q_UNUSED(pos);
// Validate the proxy
- CService serv(LookupNumeric(input.toStdString().c_str(), DEFAULT_GUI_PROXY_PORT));
+ CService serv(LookupNumeric(input.toStdString(), DEFAULT_GUI_PROXY_PORT));
proxyType addrProxy = proxyType(serv, true);
if (addrProxy.IsValid())
return QValidator::Acceptable;
diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index 3dd64c5273..b87be65f5e 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -1240,7 +1240,7 @@ void RPCConsole::unbanSelectedNode()
QString strNode = nodes.at(i).data().toString();
CSubNet possibleSubnet;
- LookupSubNet(strNode.toStdString().c_str(), possibleSubnet);
+ LookupSubNet(strNode.toStdString(), possibleSubnet);
if (possibleSubnet.IsValid() && m_node.unban(possibleSubnet))
{
clientModel->getBanTableModel()->refresh();
diff --git a/src/rpc/net.cpp b/src/rpc/net.cpp
index 5e53fa5f5d..e0c1976f1a 100644
--- a/src/rpc/net.cpp
+++ b/src/rpc/net.cpp
@@ -562,11 +562,11 @@ static UniValue setban(const JSONRPCRequest& request)
if (!isSubnet) {
CNetAddr resolved;
- LookupHost(request.params[0].get_str().c_str(), resolved, false);
+ LookupHost(request.params[0].get_str(), resolved, false);
netAddr = resolved;
}
else
- LookupSubNet(request.params[0].get_str().c_str(), subNet);
+ LookupSubNet(request.params[0].get_str(), subNet);
if (! (isSubnet ? subNet.IsValid() : netAddr.IsValid()) )
throw JSONRPCError(RPC_CLIENT_INVALID_IP_OR_SUBNET, "Error: Invalid IP/Subnet");
diff --git a/src/test/netbase_tests.cpp b/src/test/netbase_tests.cpp
index 481dedc356..87baa89345 100644
--- a/src/test/netbase_tests.cpp
+++ b/src/test/netbase_tests.cpp
@@ -105,7 +105,7 @@ BOOST_AUTO_TEST_CASE(netbase_splithost)
bool static TestParse(std::string src, std::string canon)
{
- CService addr(LookupNumeric(src.c_str(), 65535));
+ CService addr(LookupNumeric(src, 65535));
return canon == addr.ToString();
}
diff --git a/src/torcontrol.cpp b/src/torcontrol.cpp
index d06b3cd20d..84118b36ef 100644
--- a/src/torcontrol.cpp
+++ b/src/torcontrol.cpp
@@ -501,7 +501,7 @@ void TorController::add_onion_cb(TorControlConnection& _conn, const TorControlRe
}
return;
}
- service = LookupNumeric(std::string(service_id+".onion").c_str(), Params().GetDefaultPort());
+ service = LookupNumeric(std::string(service_id+".onion"), Params().GetDefaultPort());
LogPrintf("tor: Got service ID %s, advertising service %s\n", service_id, service.ToString());
if (WriteBinaryFile(GetPrivateKeyFile(), private_key)) {
LogPrint(BCLog::TOR, "tor: Cached service private key to %s\n", GetPrivateKeyFile().string());
generated by cgit v1.2.3 (git 2.26.2) at 2024-07-19 09:06:48 +0000