Commit graph

6120 commits

Author SHA1 Message Date
Shea Levy aa8bbbf69d
Merge branch 'write-failure-fixes' of git://github.com/lheckemann/nix 2018-03-02 10:59:59 -05:00
Eelco Dolstra 5c7a6d07de
Merge pull request #1932 from mfiano/patch-1
nix-channel grammar and punctuation
2018-03-02 16:58:00 +01:00
Tuomas Tynkkynen a0e38c16bc libexpr: Recognize newline in more places in lexer
Flex's regexes have an annoying feature: the dot matches everything
except a newline. This causes problems for expressions like:

"${0}\
"

where the backslash-newline combination matches this rule instead of the
intended one mentioned in the comment:

    <STRING>\$|\\|\$\\ {
                    /* This can only occur when we reach EOF, otherwise the above
                    (...|\$[^\{\"\\]|\\.|\$\\.)+ would have triggered.
                    This is technically invalid, but we leave the problem to the
                    parser who fails with exact location. */
                    return STR;
                }
However, the parser actually accepts the resulting token sequence
('"' DOLLAR_CURLY 0 '}' STR '"'), which is a problem because the lexer
rule didn't assign anything to yylval. Ultimately this leads to a crash
when dereferencing a NULL pointer in ExprConcatStrings::bindVars().

The fix does change the syntax of the language in some corner cases
but I think it's only turning previously invalid (or crashing) syntax
to valid syntax. E.g.

"a\
b"

and

''a''\
b''

were previously syntax errors but now both result in "a\nb".

Found by afl-fuzz.
2018-03-02 17:30:48 +02:00
Eelco Dolstra 939cf4cceb
Fix error message 2018-03-02 14:32:00 +01:00
Will Dietz c577186f59 tests/search.sh: simplify, don't rely on consistent ordering 2018-03-01 13:25:06 -06:00
Michael Fiano ad97d1a786
nix-channel grammar and punctuation
Minor changes to the nix-channel manpage for my first contribution
2018-03-01 00:27:25 -05:00
Shea Levy 4a000cbb39
Merge pull request #1927 from dtzWill/fix/fetchgit-HEAD
fetchGit: use "HEAD" as default ref instead of "master"
2018-02-28 18:44:57 -05:00
Will Dietz e89d02bf03 fetchGit: use "HEAD" as default ref 2018-02-28 16:34:34 -06:00
Daiderd Jordan 05cb8e5c5a
launchd: enable keepalive for the nix-daemon service
Without this the daemon won't be restarted if the process ever dies, for
example when sending a SIGHUP to reload nix.conf.
2018-02-28 19:58:48 +01:00
Shea Levy 14ca85688c
Actually fix nixDataDir in non-canonical path 2018-02-28 06:19:40 -05:00
Eelco Dolstra 8a5da93841
Merge pull request #1912 from dezgeg/replacestrings-take-2
libexpr: Fix prim_replaceStrings() to work on an empty source string, take 2
2018-02-27 12:53:19 +01:00
Tuomas Tynkkynen 77e9e1ed91 libexpr: Fix prim_replaceStrings() to work on an empty source string
Otherwise, running e.g.

nix-instantiate --eval -E --strict 'builtins.replaceStrings [""] ["X"] "abc"'

would just hang in an infinite loop.

Found by afl-fuzz.

First attempt of this was reverted in e2d71bd186 because it caused
another infinite loop, which is fixed now and a test added.
2018-02-26 19:49:13 +02:00
Eelco Dolstra 24ec750003
nix run: Fix segfault on macOS
Note that clearenv() is not available on macOS.

Fixes #1907.
2018-02-26 18:29:40 +01:00
Will Dietz 009cf9cd23 nix search: explicitly handle empty search string, fixes #1893
This is important since this is given as an example.
Other patterns containing "empty search string" will still
be handled differently on different platforms ("asdf|")
but that's less of an issue.
2018-02-25 16:40:56 -06:00
Will Dietz 3cac8734ac nix search: fix bug where we wrote to cache when shouldn't, breaking
This is exposed by the tests added previously,
and resolves the error reported in #1892:
"expected JSON value".
2018-02-25 16:40:05 -06:00
Will Dietz 8282c60d74 tests: test nix search behavior 2018-02-25 16:40:05 -06:00
Graham Christensen 9432f3fb7d
Merge pull request #1901 from veprbl/patch-5
Fix a small typo in the release notes
2018-02-24 10:26:14 -05:00
Graham Christensen ab435463d0
Merge pull request #1903 from primeos/release-notes-2.0-url-fix
doc: Fix a URL in the release notes for Nix 2.0
2018-02-24 10:19:39 -05:00
Michael Weiss bd94e63853 doc: Fix a URL in the release notes for Nix 2.0 2018-02-24 16:07:10 +01:00
Dmitry Kalinkin d9d8a84a96
Fix a small typo in the release notes 2018-02-23 23:45:42 -05:00
Eelco Dolstra 64e486ab63
Fix downloadCached() with a chroot store
E.g.

  nix run --store ~/my-nix -f channel:nixos-17.03 hello -c hello

This problem was mentioned in #1897.
2018-02-23 13:00:42 +01:00
Eelco Dolstra 39b4177500
Fix example in release notes 2018-02-22 17:42:06 +01:00
Eelco Dolstra 2691d51a33
Doh 2018-02-22 17:14:35 +01:00
Eelco Dolstra b6dec2f3ca
Release script tweaks 2018-02-22 17:11:17 +01:00
Eelco Dolstra 179b896acb
Merge branch 'data-dir-non-canon' of https://github.com/shlevy/nix 2018-02-22 14:20:43 +01:00
Eelco Dolstra e8d53bfdc9
Revert "Enable sandbox builds on Linux by default"
This reverts commit ddc58e7896.

https://hydra.nixos.org/eval/1435322
2018-02-22 14:20:07 +01:00
Shea Levy ddbcd01c83
Fix restricted mode when installing in non-canonical data dir 2018-02-22 07:18:14 -05:00
Eelco Dolstra eaa52c34b4
Set release date 2018-02-22 12:44:46 +01:00
Eelco Dolstra ddc58e7896
Enable sandbox builds on Linux by default
The overhead of sandbox builds is a problem on NixOS (since building a
NixOS configuration involves a lot of small derivations) but not for
typical non-NixOS use cases. So outside of NixOS we can enable it.

Issue #179.
2018-02-22 12:27:25 +01:00
Eelco Dolstra 6964131cd7
Merge branch 'fix/sandbox-shell-features' of https://github.com/dtzWill/nix 2018-02-22 12:20:13 +01:00
Eelco Dolstra de4c03d201
Merge branch 'fix/dry-run-partially' of https://github.com/dtzWill/nix 2018-02-22 12:18:20 +01:00
Eelco Dolstra 88c90d5e6d
Manual: Put configuration options in sorted order 2018-02-21 18:08:47 +01:00
Eelco Dolstra 0d54671b7b
Manual: Update chapter on remote builds
Alos add a command "nix ping-store" to make it easier to see if Nix
can connect to a remote builder (e.g. 'nix ping-store --store
ssh://mac').
2018-02-21 16:24:26 +01:00
Eelco Dolstra e2d71bd186
Revert "libexpr: Fix prim_replaceStrings() to work on an empty source string"
This reverts commit 4ea9707591.

It causes an infinite loop in Nixpkgs evaluation,
e.g. "nix-instantiate -A hello" hung.

PR #1886.
2018-02-21 15:35:28 +01:00
Shea Levy a6c497f526
Merge branch 'nix-copy' of git://github.com/Mic92/nix-1 2018-02-20 21:05:17 -05:00
Jörg Thalheim fa7fd76c5e nix-copy: fix examples
maybe a left-over from nix-store -r ?
2018-02-21 01:13:46 +00:00
Shea Levy 7c377dc5cc
Merge remote-tracking branch 'dezgeg/afl-fixes' 2018-02-20 16:32:48 -05:00
Eelco Dolstra 4e44025ac5
Release notes: Add contributors 2018-02-20 15:20:14 +01:00
Eelco Dolstra cea4fb3a31
Fix evaluation of binaryTarball.aarch64-linux 2018-02-20 12:33:32 +01:00
Tuomas Tynkkynen 546f98dace libutil: Fix invalid assert on decoding base64 hashes
The assertion is broken because there is no one-to-one mapping from
length of a base64 string to the length of the output.

E.g.

"1q69lz7Empb06nzfkj651413n9icx0njmyr3xzq1j9q=" results in a 32-byte output.
"1q69lz7Empb06nzfkj651413n9icx0njmyr3xzq1j9qy" results in a 33-byte output.

To reproduce, evaluate:

builtins.derivationStrict {
    name = "0";
    builder = "0";
    system = "0";
    outputHashAlgo = "sha256";
    outputHash = "1q69lz7Empb06nzfkj651413n9icx0njmyr3xzq1j9qy";
}

Found by afl-fuzz.
2018-02-19 23:20:26 +02:00
Tuomas Tynkkynen 4ea9707591 libexpr: Fix prim_replaceStrings() to work on an empty source string
Otherwise, running e.g.

nix-instantiate --eval -E --strict 'builtins.replaceStrings [""] ["X"] "abc"'

would just hang in an infinite loop.

Found by afl-fuzz.
2018-02-19 23:20:26 +02:00
Tuomas Tynkkynen 1d0e42879f libutil: Fix infinite loop in filterANSIEscapes on '\r'
E.g. nix-instantiate --eval -E 'abort "\r"' hangs.

Found by afl-fuzz.
2018-02-19 23:20:26 +02:00
Tuomas Tynkkynen 056d28a601 libexpr: Don't create lots of temporary strings in Bindings::lexicographicOrder
Avoids ~180,000 string temporaries created when evaluating a headless
NixOS system.
2018-02-19 22:47:25 +02:00
Eelco Dolstra d4e93532e2
Fix incorrect (and unnecessary) format string
https://hydra.nixos.org/eval/1434547#tabs-now-fail
2018-02-19 20:46:39 +01:00
Eelco Dolstra d7fdfe322b
Remove macOS multi-user instructions
This is already handled by the installer.
2018-02-19 20:40:25 +01:00
Eelco Dolstra 70eb64147e
Update release notes
Also add some examples to nix --help.
2018-02-19 20:38:53 +01:00
Will Dietz a6c0b773b7 configure.ac: define HAVE_SECCOMP macro when using seccomp, fix build/tests
Happily the failing tests should prevent anyone from using such a Nix
in situations where they expect sandboxing to be on,
which would otherwise be a risk.
2018-02-19 12:13:51 -06:00
Eelco Dolstra 623fcb071e
Merge pull request #1882 from shlevy/no-seccomp-no-filterSyscalls
Don't silently succeed seccomp setup when !HAVE_SECCOMP.
2018-02-19 17:39:46 +01:00
Shea Levy e1eb63a586
Merge branch 'perf-fixes' of git://github.com/dezgeg/nix 2018-02-19 10:11:52 -05:00
Shea Levy e59a8a63e1
Don't silently succeed seccomp setup when !HAVE_SECCOMP.
Running Nix with build users without seccomp on Linux is dangerous,
and administrators should very explicitly opt-in to it.
2018-02-19 09:56:24 -05:00