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2024-05-03Merge "libstore: check additionalSandboxProfile" into mainArtemis Tosini
2024-05-03libstore: check additionalSandboxProfileArtemis Tosini
Currently LocalDerivationGoal allows setting `__sandboxProfile` to add sandbox parameters on Darwin when `sandbox=true`. This was only supposed to have an effect when `sandbox=relaxed` Change-Id: Ide44ee82d7e4d6b545285eab26547e7014817d3f
2024-05-03libutil: make rewriteStrings soundeldritch horrors
this is used in CA rewriting, replacement of placeholders in derivations, generating scripts for devShells, and some more places. in all of these transitive replacements are unsound, and overlapping replacements would be as well. there even is a test that transitive replacements do not happen (in the CA RewriteSink suite), but none for overlapping replacements. a minimally surprising binary rewriter surely would not do any of these replacements, the only reason we have not seen this break yet is probably that rewriteStrings is only called for store paths and things that look like store paths (and those should never overlap nor admit such transitive replacements) Change-Id: I6fc29f939d5061d9f56c752624a823ece8437c07
2024-05-02Merge changes from topic "profile-v3" into mainQyriad
* changes: nix3-profile: remove check "name" attr in manifests Add profile migration test nix3-profile: make element names stable getNameFromURL(): Support uppercase characters in attribute names nix3-profile: remove indices nix3-profile: allow using human-readable names to select packages implement parsing human-readable names from URLs
2024-05-02nix3-profile: remove check "name" attr in manifestsQyriad
It doesn't seem to have ever been used. Based off of commit a748e88bf4cca0fdc6ce75188e88017a7899d16b Upstream-PR: https://github.com/NixOS/nix/pull/9656 Change-Id: Idcf250a645fa43f2ef11fb15b503b070a62a917e
2024-05-02nix3-profile: make element names stableQyriad
Based off of commit 6268a45b650f563bae2360e0540920a2959bdd40 Upstream-PR: https://github.com/NixOS/nix/pull/9656 Co-authored-by: Eelco Dolstra <edolstra@gmail.com> Change-Id: I0fcf069a8537c61ad6fc4eee1f3c193a708ea1c4
2024-05-02getNameFromURL(): Support uppercase characters in attribute namesEelco Dolstra
In particular, this makes it handle 'legacyPackages' correctly. (cherry picked from commit 936a3642264ac159f3f9093710be3465b70e0e89) Upstream-PR: https://github.com/NixOS/nix/pull/9657 Change-Id: Icc4efe02f7f8e90a2970589f72fd3d3cd4418d95
2024-05-02nix3-profile: remove indicesQyriad
Based off of commit 3187bc9ac3dd193b9329ef68c73ac3cca794ed78 Upstream-PR: https://github.com/NixOS/nix/pull/9656 Co-authored-by: Eelco Dolstra <edolstra@gmail.com> Change-Id: I8ac4a33314cd1cf9de95404c20f58e883460acc7
2024-05-02nix3-profile: allow using human-readable names to select packagesQyriad
These names are parsed from the URL provided for that package Based off of commit 257b768436a0e8ab7887f9b790c5b92a7fe51ef5 Upstream-PR: https://github.com/NixOS/nix/pull/8678 Co-authored-by: Felix Uhl <felix.uhl@outlook.com> Change-Id: I76d5f9cfb11d3d2915b3dd1db21d7bb49e91f4fb
2024-05-02Disallow store path names that are . or .. (plus opt. -)Robert Hensing
As discussed in the maintainer meeting on 2024-01-29. Mainly this is to avoid a situation where the name is parsed and treated as a file name, mostly to protect users. .-* and ..-* are also considered invalid because they might strip on that separator to remove versions. Doesn't really work, but that's what we decided, and I won't argue with it, because .-* probably doesn't seem to have a real world application anyway. We do still permit a 1-character name that's just "-", which still poses a similar risk in such a situation. We can't start disallowing trailing -, because a non-zero number of users will need it and we've seen how annoying and painful such a change is. What matters most is preventing a situation where . or .. can be injected, and to just get this done. (cherry picked from commit f1b4663805a9dbcb1ace64ec110092d17c9155e0) Change-Id: I900a8509933cee662f888c3c76fa8986b0058839
2024-05-02Revert "StorePath: reject names starting with '.'"Robert Hensing
This reverts commit 24bda0c7b381e1a017023c6f7cb9661fae8560bd. (cherry picked from commit 9ddd0f2af8fd95e1380027a70d0aa650ea2fd5e4) Change-Id: Ideb547e2a8ac911cf39d58d3e0c1553867bdd776
2024-04-30implement parsing human-readable names from URLsQyriad
Based off of commit 257b768436a0e8ab7887f9b790c5b92a7fe51ef5 Upstream-PR: https://github.com/NixOS/nix/pull/8678 Co-authored-by: Felix Uhl <felix.uhl@outlook.com> Change-Id: Idcb7f6191ca3310ef9dc854197f7798260c3f71d
2024-04-29nix3-upgrade-nix: allow manually specifying new nixQyriad
This allows manually specifying a store path for the new Nix that gets linked into Nix's profile. Change-Id: Ib71711ffb466febf4a6892e3fdbda644e053770d
2024-04-29fix `nix upgrade-nix` on new-style profilesQyriad
nix3-profile automatically migrates any profile its used on to its style of profile -- the ones with manifest.json instead of manifest.nix. On non-NixOS systems, Nix is conventionally installed to the profile at /nix/var/nix/profiles/default, so if a user passed that to `--profile` of `nix profile`, then it would break upgrade-nix from ever working again, without recreating the profile. This commit fixes that, and allows upgrade-nix to work on either kind of profile. Fixes #16. Change-Id: I4c49b1beba93bb50e8f8a107edc451affe08c3f7
2024-04-29refactor some nix-env and profile code to libcmdQyriad
Notably, ProfileManifest and ProfileElement are useful generic profile management code, and nix profile is not the only place in the codebase where profiles are relevant. This commit is in preparation for fixing upgrade-nix's interaction with new-style profiles. Change-Id: Iefc8bbd34b4bc6012175cb3d6e6a8207973bc792
2024-04-27Run all derivation builders inside the sandbox on macOSPuck Meerburg
This replaces the external sandbox-exec call with direct calls into libsandbox. This API is technically deprecated and is missing some prototypes, but all major browsers depend on it, so it is unlikely to materially change without warning. This commit also ensures the netrc file is only written if the derivation is in fact meant to be able to access the internet. This change commits a sin of not actually actively declaring its dependency on macOS's libsandbox.dylib; this is due to the dylib cache in macOS making that explicit dependency unnecessary. In the future this might become a problem, so this commit marks our sins. Co-authored-by: Artemis Tosini <lix@artem.ist> Co-authored-by: Lunaphied <lunaphied@lunaphied.me> Change-Id: Ia302141a53ce7b0327c1aad86a117b6645fe1189
2024-04-27Fix progress bar on copyPathsPuck Meerburg
This variable should not be shared between activities. Change-Id: I4eee89bc7acb320a3972dc3a55bfb087d3a9eb3a
2024-04-27libstore/ssh: shutK900
This is just logspam, and we have NIX_SSHOPTS for people that want the logspam. Change-Id: Ieff71473686f0661f9c53c212f8952dd2c9565c3
2024-04-26Merge "ssh-ng: Set log-fd for ssh to `4` by default" into mainMaximilian Bosch
2024-04-26Merge "gc: Find roots using libproc on Darwin" into mainArtemis Tosini
2024-04-26ssh-ng: Set log-fd for ssh to `4` by defaultMaximilian Bosch
That's expected by `build-remote` and makes sure that errors are correctly forwarded to the user. For instance, let's say that the host-key of `example.org` is unknown and nix-build ../nixpkgs -A hello -j0 --builders 'ssh-ng://example.org' is issued, then you get the following output: cannot build on 'ssh-ng://example.org?&': error: failed to start SSH connection to 'example.org' Failed to find a machine for remote build! derivation: yh46gakxq3kchrbihwxvpn5bmadcw90b-hello-2.12.1.drv required (system, features): (x86_64-linux, []) 2 available machines: [...] The relevant information (`Host key verification failed`) ends up in the daemon's log, but that's not very obvious considering that the daemon isn't very chatty normally. This can be fixed - the same way as its done for legacy-ssh - by passing fd 4 to the SSH wrapper. Now you'd get the following error: cannot build on 'ssh-ng://example.org': error: failed to start SSH connection to 'example.org': Host key verification failed. Failed to find a machine for remote build! [...] ...and now it's clear what's wrong. Please note that this is won't end up in the derivation's log. For previous discussion about this change see https://github.com/NixOS/nix/pull/7659. Change-Id: I5790856dbf58e53ea3e63238b015ea06c347cf92
2024-04-26filetransfer: don't decompress in curl wrapper itselfeldritch horrors
only decompress the response once all data has been received (in the fully buffered case), or at least outside of the curl wrapper itself (in the receive-to-sink case). unfortunately this means we will have to duplicate decompression logic for these two cases for time being, but once the curl wrapper has been rewritten to return a real future or Source we can deduplicate this logic again. the curl wrapper will have to turn into a proper Source first and use decompression source logic which also does not currently exist—only decompression *sinks* Change-Id: I66bc692f07d9b9e69fe10689ee73a2de8d65e35c
2024-04-26filetransfer: remove dataCallback from interfaceeldritch horrors
this is highly questionable. single-arg download calls will misbehave with it set, and two-arg download calls will just overwrite it. being an implementation detail this should not have been in the API at all. Change-Id: I613772951ee03d8302366085f06a53601d13f132
2024-04-26filetransfer: make two-arg download abstracteldritch horrors
this lets each implementation of FileTransfer (of which currently only the one exists at all) implement appropriate handling for its internal behaviours that are not otherwise exposed. in curl this lets us switch the buffer-full handling method from "block the entire curl thread" to "pause just the one transfer", move the non-libcurl body decompression out of the actual curl wrapper (which will let us eventually morph the curl wrapper intto an actual source of Sources), and some other things Change-Id: Id6d3593cde6b4915aab3e90a43b175c103cc3f18
2024-04-25gc: Find roots using libproc on DarwinArtemis Tosini
Previously, the garbage collector found runtime roots on Darwin by shelling out to `lsof -n -w -F n` then parsing the result. However, this requires an lsof binary and can be extremely slow. The official Apple lsof returns in a reasonable amount of time, about 250ms in my tests, but the lsof packaged in nixpkgs is quite slow, taking about 40 seconds to run the command. Using libproc directly is about the same speed as Apple lsof, and allows us to reënable several tests that were disabled on Darwin. Change-Id: Ifa0adda7984e13c15535693baba835aae79a3577
2024-04-25filetransfer: drop errorSinkeldritch horrors
just accumulate error data into result.data as we would for successful transfers without a dataCallback. errorSink and data would contain the same data in error cases anyway, so splitting them is not very useful. Change-Id: I00e449866454389ac6a564ab411c903fd357dabf
2024-04-25filetransfer: restore http status line reportingeldritch horrors
this was broken in 75b62e52600a44b42693944b50638bf580a2c86e. Change-Id: If8583e802afbcde822623036bf41a9708fbc7c8d
2024-04-25filetransfer: remove decompress request parametereldritch horrors
this is never read. Change-Id: I4c46f140519843a21e452958900e81edd2f78be2
2024-04-24Merge "libstore: Create platform LocalStore subclasses" into mainArtemis Tosini
2024-04-23libstore: Create platform LocalStore subclassesArtemis Tosini
This creates new subclasses of LocalStore for each OS to include platform-specific functionality. Currently this just includes garbage collector roots but it could be extended to sandboxing as well. In order to make sure that the generic LocalStore is not accidentally constructed, its constructor is protected. A Fallback is provided which implements no functionality except constructors. Change-Id: I836a28e90b68309873f75afb83e0f1b2e2c89fb3
2024-04-23Merge changes Ia3e7b1e6,If09be814 into mainQyriad
* changes: meson: flip the switch!! meson: fix cross compilation
2024-04-22meson: fix cross compilationQyriad
This should fix cross compilation in the base case, but this is difficult to test as cross compilation is broken in many different places right now. This should bring Meson back up to cross parity with the Make buildsystem though. Change-Id: If09be8142d1fc975a82b994143ff35be1297dad8
2024-04-23libstore: use curl functions for reading headerseldritch horrors
don't reimplement header parsing. this was only really needed due to the ancient github bug we no longer care about, everything else we have done in custom code can also be done using curl itself. doing this also fixes possible sources of header smuggling (because the header function didn't unfold headers and we'd trim them before parsing, which would've made us read contents of one header as a fully formed header in itself). this is a slight behavior change because we now honor only the first instance of a given header where previous behavior was to honor either the last or a combination of all of them (accept-ranges was logical-or'd by accident). Change-Id: I93cb93ddb91ab98c8991f846014926f6ef039fdb
2024-04-23libstore: remove github etag workaroundeldritch horrors
this was a workaround for a *github* bug that happend *in 2015*. not only is github no longer buggy, it shouldn't have been nix's responsibility to work around these bugs like this to begin with while we're at it we'll also remove another workaround—again for github specifically and again for etag handling—from 2021 that's also not needed any more. future workarounds for serverside bugs should probably come with an expiration date that mutates into a build warning after a while, otherwise this *will* happen again. Change-Id: I74f739ae3e36d40350f78bebcb5869aa8cc9adcd
2024-04-22libstore: use curl_multi_{poll,wakeup}eldritch horrors
the previous solution to the wakeup problem (adding a pipe and passing it as an additional fd to curl_multi_wait) worked, but there have been builtin alternatives for this since 2020. not only do these save code, they're also a lot more likely to work natively on windows when needed Change-Id: Iab751b900997110a8d15de45ea3ab0c42f7e5973
2024-04-22libstore: remove ancient libcurl feature checkseldritch horrors
the oldest version checked for here is 7.47, which was released in 2016. it's probably safe to say that we do not need these any more Change-Id: I003411f6b2ce6d56f7ca337390df3ea86bd59a99
2024-04-21Merge "Fix exportReferencesGraph when given store subpath" into mainPuck Meerburg
2024-04-21remove extraneous cache entry from github fetcherPuck Meerburg
This isn't necessary, as it's already covered by the tarball fetcher's cache. Change-Id: I85e35f5a61594f27b8f30d82145f92c5d6559e1f
2024-04-21Fix exportReferencesGraph when given store subpathAlyssa Ross
With Nix 2.3, it was possible to pass a subpath of a store path to exportReferencesGraph: with import <nixpkgs> {}; let hello = writeShellScriptBin "hello" '' echo ${toString builtins.currentTime} ''; in writeClosure [ "${hello}/bin/hello" ] This regressed with Nix 2.4, with a very confusing error message, that presumably indicates it was unintentional: error: path '/nix/store/3gl7kgjr4pwf03f0x70dgx9ln3bhl7zc-hello/bin/hello' is not in the Nix store (cherry picked from commit 0774e8ba33c060f56bad3ff696796028249e915a) Change-Id: I00920fb33077b831a1bb4a1b68d515ba8c3c2a69
2024-04-18meson: correctly embed sandbox shell when askedQyriad
Change-Id: I2f6c0d42245204a516d2e424eea26a6391e975ad
2024-04-18meson: correctly set -DSANDBOX_SHELL if we have itQyriad
The statically embedded busybox is not required for Lix to work, but package.nix explicitly sets this, which was accidentally being ignored. Change-Id: Ieeff830ac7d1f5fabe84d1a6cfd82f13d79035bf
2024-04-16Merge "libstore/build: set NO_NEW_PRIVS for the sandbox" into mainIlya K
2024-04-15fix probable format bug in DerivationGoal::buildDoneQyriad
Either the contents of `line` could cause format errors, or this usage is Technically safe. However, I trust nothing, especially with boost::format. Change-Id: I07933b20bde3b305a6e5d61c2a7bab6ecb042ad9
2024-04-15abort with a descriptive message on bad HintFmt usageQyriad
Change-Id: Ic2f05572042343a8160fd971394372f5f2706fc4
2024-04-15libstore/build: set NO_NEW_PRIVS for the sandboxK900
Change-Id: I711f64e2b68495ed9c85c1a4bd5025405805e43a
2024-04-14don't throw an exception for the trivial case of isStorePath()...Qyriad
Previously if isStorePath() was called on anything other than a top-level /nix/store/some-path, it would throw a BadStorePath exception. This commit duplicates the absolutely trivial check, into maybeParseStorePath(), and leaves exception throwing to parseStorePath(), the function that assumes you're already giving a valid path instead of the one whose purpose is to check if its valid or not... Change-Id: I8dda548f0f88d14ca8c3ee927d64e0ec0681fc7b
2024-04-14Merge "don't boost::to_few_args when an eval cached string type errors" into ↵Qyriad
main
2024-04-13libstore/build: just copy the magic /etc files into the sandboxK900
Saves us a bunch of thinking about how to handle symlinks, and prevents the DNS config from changing on the fly under the build, which may or may not be a good thing? Change-Id: I071e6ae7e220884690b788d94f480866f428db71
2024-04-11Merge "Merge pull request #10456 from NixOS/fixpermdeniedbind" into mainIlya K
2024-04-11Merge changes Iedf46484,I76b51eac,I6a084827,I60193f9f into maineldritch horrors
* changes: meson: fix log-dir manual: build docs with dummy envs libcmd: install generated headers as well docs: redo content generation for mdbook and manual