dcrubro/columnlynx
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Wipe tuns before adding

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This commit is contained in:
DcruBro
2025-12-02 17:23:02 +01:00
parent 3bda0b2ec4
commit 4f4a0fd385
1 changed files with 23 additions and 3 deletions
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26
src/common/virtual_interface.cpp
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@@ -166,6 +166,13 @@ namespace ColumnLynx::Net {
std::string ipStr = ipv4ToString(clientIP); std::string ipStr = ipv4ToString(clientIP);
std::string peerStr = ipv4ToString(serverIP); std::string peerStr = ipv4ToString(serverIP);
// Wipe the current config
snprintf(cmd, sizeof(cmd),
"ip addr flush dev %s",
mIfName.c_str()
);
system(cmd);
snprintf(cmd, sizeof(cmd), snprintf(cmd, sizeof(cmd),
"ip addr add %s/%d peer %s dev %s", "ip addr add %s/%d peer %s dev %s",
ipStr.c_str(), prefixLen, peerStr.c_str(), mIfName.c_str()); ipStr.c_str(), prefixLen, peerStr.c_str(), mIfName.c_str());
@@ -190,10 +197,23 @@ namespace ColumnLynx::Net {
std::string peerStr = ipv4ToString(serverIP); std::string peerStr = ipv4ToString(serverIP);
std::string prefixStr = ipv4ToString(prefixLen); std::string prefixStr = ipv4ToString(prefixLen);
// Set netmask (/24 CIDR temporarily with raw command, improve later) // Reset
snprintf(cmd, sizeof(cmd), snprintf(cmd, sizeof(cmd),
"ifconfig lynx0 %s %s mtu %d netmask %s up", "ifconfig %s inet 0.0.0.0 delete",
ipStr.c_str(), peerStr.c_str(), mtu, prefixStr.c_str()); mIfName.c_str()
);
system(cmd);
snprintf(cmd, sizeof(cmd),
"ifconfig %s inet6 :: delete",
mIfName.c_str()
);
system(cmd);
// Set
snprintf(cmd, sizeof(cmd),
"ifconfig %s %s %s mtu %d netmask %s up",
mIfName.c_str(), ipStr.c_str(), peerStr.c_str(), mtu, prefixStr.c_str());
system(cmd); system(cmd);
Utils::log("Executed command: " + std::string(cmd)); Utils::log("Executed command: " + std::string(cmd));