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LibCore: Add peer pid retrieval for LocalSocket
This will allow programs connected over unix sockets to retrieve the pid of their peers in a nice way.
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2 changed files with 26 additions and 0 deletions
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@ -53,6 +53,31 @@ LocalSocket::~LocalSocket()
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{
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}
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pid_t LocalSocket::peer_pid() const
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{
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#ifdef AK_OS_MACOS
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pid_t pid;
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socklen_t pid_size = sizeof(pid);
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if (getsockopt(fd(), SOL_LOCAL, LOCAL_PEERPID, &pid, &pid_size) < 0) {
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dbgln("LocalSocket: getsockopt failed, {}", strerror(errno));
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VERIFY_NOT_REACHED();
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}
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return pid;
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#else
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struct ucred creds = {};
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socklen_t creds_size = sizeof(creds);
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if (getsockopt(fd(), SOL_SOCKET, SO_PEERCRED, &creds, &creds_size) < 0) {
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dbgln("LocalSocket: getsockopt failed, {}", strerror(errno));
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VERIFY_NOT_REACHED();
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}
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return creds.pid;
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#endif
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}
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HashMap<String, int> LocalSocket::s_overtaken_sockets {};
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bool LocalSocket::s_overtaken_sockets_parsed { false };
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