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Core MASQNode 0.8.0 beta1 can not drop privileges (installing MASQNode as a systemd on debian Linux)
I created a script wich helps me to install a systemd service for MASQNode on a Debian Linux VPS. It is working just fine with MASQNode 0.7.3 and when finished, MASQNode 0.7.3 is running as a non-root user. If i try to do the same thing with 0.8.0 beta1, i get this error when i first try to start it with this unit file ===================== [Unit] Description=MASQNode service After=network.target [Service] Type=simple ExecStart=/usr/local/bin/MASQNode --data-directory /home/masq/test1/node-files/ Restart=always RestartSec=5 WorkingDirectory=/home/masq/test1/node-files/ [Install] WantedBy=multi-user.target ===================== _____ ______ ________ ________ _______ Node Version: 0.8.0 / _ | _ /|/ __ /|/ ______/|/ __ /| Database Schema Version: 9 / / /__/// / / /|/ / / /|_____|/ /|_/ / / OS: linux / / |__|// / / __ / /_____ /|/ / '/ / / client_request_payload::MIGRATIONS (0.1) / / / / / / / / / |_____/ / / /__/ / / client_response_payload::MIGRATIONS (0.1) /__/ / /__/ /__/ /__/ /________/ /_____ / / dns_resolve_failure::MIGRATIONS (0.1) |__|/ |__|/|__|/|__|/|________|/|____/__/ / gossip::MIGRATIONS (0.1) |__|/ gossip_failure::MIGRATIONS (0.1) node_record_inner::MIGRATIONS (0.1) 2024-02-06 20:49:20.319 Thd1: ERROR: PanicHandler: src/privilege_drop.rs:83:17 - Attempt to drop group privileges failed: still root 2024-02-06 20:49:20.330 Thd1: ERROR: PanicHandler: 0: <node_lib::server_initializer::LoggerInitializerWrapperReal as node_lib::server_initi alizer::LoggerInitializerWrapper>::init::{{closure}} 1: std::panicking::rust_panic_with_hook at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/ panicking.rs:702 :17 2: std::panicking::begin_panic_handler::{{closure}} at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/ panicking.rs:586 :13 3: std::sys_common::backtrace::__rust_end_short_backtrace at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/sys_common/ backtrace.rs:138 :18 4: rust_begin_unwind at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/ panicking.rs:584 :5 5: core::panicking::panic_fmt at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/ panicking.rs:142 :14 6: <node_lib::privilege_drop::PrivilegeDropperReal as node_lib::privilege_drop::PrivilegeDropper>::drop_privileges 7: <node_lib::server_initializer::ServerInitializerReal as node_lib::run_modes_factories::ServerInitializer>::go 8: <node_lib::run_modes::RunnerReal as node_lib::run_modes::Runner>::run_node 9: node_lib::run_modes::RunModes::go 10: node_lib::sub_lib::main_tools::main_with_args 11: MASQNode::main 12: std::sys_common::backtrace::__rust_begin_short_backtrace 13: std::rt::lang_start::{{closure}} 14: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/core/src/ops/ function.rs:280 :13 std::panicking::try::do_call at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/ panicking.rs:492 :40 std::panicking::try at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/ panicking.rs:456 :19 std::panic::catch_unwind at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/ panic.rs:137 :14 std::rt::lang_start_internal::{{closure}} at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/ rt.rs:128 :48 std::panicking::try::do_call at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/ panicking.rs:492 :40 std::panicking::try at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/ panicking.rs:456 :19 std::panic::catch_unwind at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/ panic.rs:137 :14 std::rt::lang_start_internal at /rustc/4b91a6ea7258a947e59c6522cd5898e7c0a6a88f/library/std/src/ rt.rs:128 :20 15: main 16: <unknown> 17: __libc_start_main 18: _start ========================== the config.toml that is used looks like that (variables are replaced when it is written by the script): real-user="${REALUSER}" dns-servers="${DNS_SERVERS}" db-password="${DB_PASSWD}" chain="${CHAIN}" clandestine-port="${CLANDESTINE_PORT}" log-level="${LOG_LEVEL}" blockchain-service-url="${BLOCKCHAIN_SERVICE_URL}" neighborhood-mode="zero-hop" gas-price="50" ========================== note: after configuration is done, there will be used a more complete config.toml, but it crashes with the privilege drop error here already.
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