From ea3419a06c97a53a29ddd47106e6f5904cbcf7da Mon Sep 17 00:00:00 2001 From: Jared Baur Date: Fri, 13 Feb 2026 18:25:13 +0000 Subject: [PATCH] switch-to-configuration-ng: use libsystemd in place of calling systemd-escape More native rust code, less calling out to external programs! --- .../switch-to-configuration-ng/src/Cargo.lock | 253 +++++++++++++++++- .../switch-to-configuration-ng/src/Cargo.toml | 1 + .../src/src/main.rs | 37 +-- 3 files changed, 262 insertions(+), 29 deletions(-) diff --git a/pkgs/by-name/sw/switch-to-configuration-ng/src/Cargo.lock b/pkgs/by-name/sw/switch-to-configuration-ng/src/Cargo.lock index f2be0939f624..b74928259549 100644 --- a/pkgs/by-name/sw/switch-to-configuration-ng/src/Cargo.lock +++ b/pkgs/by-name/sw/switch-to-configuration-ng/src/Cargo.lock @@ -67,12 +67,33 @@ version = "1.0.101" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "5f0e0fee31ef5ed1ba1316088939cea399010ed7731dba877ed44aeb407a75ea" +[[package]] +name = "autocfg" +version = "1.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8" + [[package]] name = "bitflags" version = "2.10.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3" +[[package]] +name = "block-buffer" +version = "0.10.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71" +dependencies = [ + "generic-array", +] + +[[package]] +name = "bumpalo" +version = "3.19.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5dd9dc738b7a8311c7ade152424974d8115f2cdad61e8dab8dac9f2362298510" + [[package]] name = "cfg-if" version = "1.0.4" @@ -138,12 +159,31 @@ dependencies = [ "tiny-keccak", ] +[[package]] +name = "cpufeatures" +version = "0.2.17" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280" +dependencies = [ + "libc", +] + [[package]] name = "crunchy" version = "0.2.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "460fbee9c2c2f33933d720630a6a0bac33ba7053db5344fac858d4b8952d77d5" +[[package]] +name = "crypto-common" +version = "0.1.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a" +dependencies = [ + "generic-array", + "typenum", +] + [[package]] name = "dbus" version = "0.9.10" @@ -175,6 +215,17 @@ dependencies = [ "powerfmt", ] +[[package]] +name = "digest" +version = "0.10.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292" +dependencies = [ + "block-buffer", + "crypto-common", + "subtle", +] + [[package]] name = "dlv-list" version = "0.5.2" @@ -184,6 +235,16 @@ dependencies = [ "const-random", ] +[[package]] +name = "generic-array" +version = "0.14.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a" +dependencies = [ + "typenum", + "version_check", +] + [[package]] name = "getrandom" version = "0.2.17" @@ -207,6 +268,15 @@ version = "0.14.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1" +[[package]] +name = "hmac" +version = "0.12.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e" +dependencies = [ + "digest", +] + [[package]] name = "hostname" version = "0.4.2" @@ -230,6 +300,16 @@ version = "1.0.17" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "92ecc6618181def0457392ccd0ee51198e065e016d1d527a7ac1b6dc7c1f09d2" +[[package]] +name = "js-sys" +version = "0.3.85" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8c942ebf8e95485ca0d52d97da7c5a2c387d0e7f0ba4c35e93bfcaee045955b3" +dependencies = [ + "once_cell", + "wasm-bindgen", +] + [[package]] name = "libc" version = "0.2.180" @@ -245,6 +325,24 @@ dependencies = [ "pkg-config", ] +[[package]] +name = "libsystemd" +version = "0.7.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "19c97a761fc86953c5b885422b22c891dbf5bcb9dcc99d0110d6ce4c052759f0" +dependencies = [ + "hmac", + "libc", + "log", + "nix 0.29.0", + "nom", + "once_cell", + "serde", + "sha2", + "thiserror", + "uuid", +] + [[package]] name = "log" version = "0.4.29" @@ -257,6 +355,28 @@ version = "2.8.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79" +[[package]] +name = "memoffset" +version = "0.9.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a" +dependencies = [ + "autocfg", +] + +[[package]] +name = "nix" +version = "0.29.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "71e2746dc3a24dd78b3cfcb7be93368c6de9963d30f43a6a73998a9cf4b17b46" +dependencies = [ + "bitflags", + "cfg-if", + "cfg_aliases", + "libc", + "memoffset", +] + [[package]] name = "nix" version = "0.31.1" @@ -269,6 +389,15 @@ dependencies = [ "libc", ] +[[package]] +name = "nom" +version = "8.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "df9761775871bdef83bee530e60050f7e54b1105350d6884eb0fb4f46c2f9405" +dependencies = [ + "memchr", +] + [[package]] name = "num-conv" version = "0.2.0" @@ -375,6 +504,22 @@ dependencies = [ "ordered-multimap", ] +[[package]] +name = "rustversion" +version = "1.0.22" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d" + +[[package]] +name = "serde" +version = "1.0.228" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e" +dependencies = [ + "serde_core", + "serde_derive", +] + [[package]] name = "serde_core" version = "1.0.228" @@ -395,12 +540,29 @@ dependencies = [ "syn", ] +[[package]] +name = "sha2" +version = "0.10.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283" +dependencies = [ + "cfg-if", + "cpufeatures", + "digest", +] + [[package]] name = "strsim" version = "0.11.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f" +[[package]] +name = "subtle" +version = "2.6.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292" + [[package]] name = "switch-to-configuration" version = "0.1.0" @@ -409,8 +571,9 @@ dependencies = [ "dbus", "dbus-codegen", "glob", + "libsystemd", "log", - "nix", + "nix 0.31.1", "regex", "rust-ini", "syslog", @@ -439,6 +602,26 @@ dependencies = [ "time", ] +[[package]] +name = "thiserror" +version = "2.0.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4" +dependencies = [ + "thiserror-impl", +] + +[[package]] +name = "thiserror-impl" +version = "2.0.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ebc4ee7f67670e9b64d05fa4253e753e016c6c95ff35b89b7941d6b856dec1d5" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + [[package]] name = "time" version = "0.3.47" @@ -481,6 +664,12 @@ dependencies = [ "crunchy", ] +[[package]] +name = "typenum" +version = "1.19.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb" + [[package]] name = "unicode-ident" version = "1.0.23" @@ -493,12 +682,74 @@ version = "0.2.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821" +[[package]] +name = "uuid" +version = "1.20.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ee48d38b119b0cd71fe4141b30f5ba9c7c5d9f4e7a3a8b4a674e4b6ef789976f" +dependencies = [ + "js-sys", + "serde_core", + "wasm-bindgen", +] + +[[package]] +name = "version_check" +version = "0.9.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a" + [[package]] name = "wasi" version = "0.11.1+wasi-snapshot-preview1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b" +[[package]] +name = "wasm-bindgen" +version = "0.2.108" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "64024a30ec1e37399cf85a7ffefebdb72205ca1c972291c51512360d90bd8566" +dependencies = [ + "cfg-if", + "once_cell", + "rustversion", + "wasm-bindgen-macro", + "wasm-bindgen-shared", +] + +[[package]] +name = "wasm-bindgen-macro" +version = "0.2.108" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "008b239d9c740232e71bd39e8ef6429d27097518b6b30bdf9086833bd5b6d608" +dependencies = [ + "quote", + "wasm-bindgen-macro-support", +] + +[[package]] +name = "wasm-bindgen-macro-support" +version = "0.2.108" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5256bae2d58f54820e6490f9839c49780dff84c65aeab9e772f15d5f0e913a55" +dependencies = [ + "bumpalo", + "proc-macro2", + "quote", + "syn", + "wasm-bindgen-shared", +] + +[[package]] +name = "wasm-bindgen-shared" +version = "0.2.108" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1f01b580c9ac74c8d8f0c0e4afb04eeef2acf145458e52c03845ee9cd23e3d12" +dependencies = [ + "unicode-ident", +] + [[package]] name = "windows-link" version = "0.2.1" diff --git a/pkgs/by-name/sw/switch-to-configuration-ng/src/Cargo.toml b/pkgs/by-name/sw/switch-to-configuration-ng/src/Cargo.toml index 48a7d20a796e..364c0f625ffb 100644 --- a/pkgs/by-name/sw/switch-to-configuration-ng/src/Cargo.toml +++ b/pkgs/by-name/sw/switch-to-configuration-ng/src/Cargo.toml @@ -15,6 +15,7 @@ lto = true anyhow = "1.0.82" dbus = "0.9.7" glob = "0.3.1" +libsystemd = "0.7.2" log = "0.4.21" nix = { version = "0.31.1", features = ["fs", "signal"] } regex = "1.12.3" diff --git a/pkgs/by-name/sw/switch-to-configuration-ng/src/src/main.rs b/pkgs/by-name/sw/switch-to-configuration-ng/src/src/main.rs index c016b7cbcf22..ae524ca9a1b3 100644 --- a/pkgs/by-name/sw/switch-to-configuration-ng/src/src/main.rs +++ b/pkgs/by-name/sw/switch-to-configuration-ng/src/src/main.rs @@ -825,28 +825,14 @@ fn parse_fstab(fstab: impl BufRead) -> (HashMap, HashMap String { - let Ok(output) = std::process::Command::new(bin_path.join("systemd-escape")) - .arg(format!( - "--suffix={}", - if is_automount { "automount" } else { "mount" } - )) - .arg("-p") - .arg(path) - .output() - else { - eprintln!("Unable to escape {path}!"); - die(); - }; - - let Ok(unit) = String::from_utf8(output.stdout) else { - eprintln!("Unable to convert systemd-escape output to valid UTF-8"); - die(); - }; - - unit.trim().to_string() +// Converts a path to the name of a systemd mount/automount unit that would be responsible for +// mounting this path. +fn path_to_unit_name(path: &str, is_automount: bool) -> String { + format!( + "{}.{}", + libsystemd::unit::escape_path(path), + if is_automount { "automount" } else { "mount" }, + ) } // Returns a HashMap containing the same contents as the passed in `units`, minus the units in @@ -1121,11 +1107,6 @@ fn do_system_switch(action: Action) -> anyhow::Result<()> { std::process::exit(0); } - // Needs to be after the "boot" action exits, as this directory will not exist when doing a NIXOS_LUSTRATE install - let current_system_bin = std::path::PathBuf::from("/run/current-system/sw/bin") - .canonicalize() - .context("/run/current-system/sw/bin is missing")?; - let current_init_interface_version = std::fs::read_to_string("/run/current-system/init-interface-version").unwrap_or_default(); @@ -1352,7 +1333,7 @@ won't take effect until you reboot the system. let is_automount = current_filesystem.options.contains("x-systemd.automount"); // Use current version of systemctl binary before daemon is reexeced. - let unit = path_to_unit_name(¤t_system_bin, &mountpoint, is_automount); + let unit = path_to_unit_name(&mountpoint, is_automount); if let Some(new_filesystem) = new_filesystems.get(&mountpoint) { if current_filesystem.fs_type != new_filesystem.fs_type || current_filesystem.device != new_filesystem.device