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feat(daemon): host ACL, configurable max connections, peer audit, auth-failure delay

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TapTap
2026-09-13 02:36:15 +02:00
parent 1acb66628d
commit dff6609976
12 changed files with 722 additions and 19 deletions
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src/shared/transport_tcp.c
+12 -4
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@@ -115,6 +115,11 @@ Server* server_create(int port) {
return server_create_ex(port, NULL);
}
void server_set_max_connections(Server* server, unsigned int max_connections) {
if (server && max_connections > 0)
server->max_connections = max_connections;
}
void server_delete(Server** server) {
if (server == NULL || *server == NULL)
return;
@@ -135,7 +140,7 @@ static void accept_loop(Server* server, void (*child_fn)(int, void*), void* chil
}
signal(SIGCHLD, sigchld_handler);
while (1) {
struct sockaddr_in client_addr;
struct sockaddr_storage client_addr;
socklen_t client_len = sizeof(client_addr);
int fd = accept(server->file_descriptor, (struct sockaddr*)&client_addr, &client_len);
if (fd < 0) {
@@ -143,13 +148,16 @@ static void accept_loop(Server* server, void (*child_fn)(int, void*), void* chil
continue;
}
tcp_apply_socket_timeout(fd);
char peer[128];
if (!utils_sockaddr_to_string((const struct sockaddr*)&client_addr, peer, sizeof(peer)))
snprintf(peer, sizeof(peer), "unknown");
if ((unsigned int)g_active_connections >= server->max_connections) {
log_message(LOG_LEVEL_WARNING, "Max connections (%u) reached, rejecting",
server->max_connections);
log_message(LOG_LEVEL_WARNING, "Max connections (%u) reached, rejecting %s",
server->max_connections, peer);
close(fd);
continue;
}
log_message(LOG_LEVEL_INFO, "%s", log_fmt);
log_message(LOG_LEVEL_INFO, "%s from %s", log_fmt, peer);
pid_t pid = fork();
if (pid == 0) {
/* Connection children must not run the parent's global cleanup(): it