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Author SHA1 Message Date
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
Eelco Dolstra ed73d40c3b
Config::handleUnknownSettings(): Remove unused 'fatal' argument 2018-02-19 14:00:34 +01:00
Eelco Dolstra 75a1d96cfd
Merge branch 'register-settings' of https://github.com/shlevy/nix 2018-02-19 13:58:34 +01:00
Eelco Dolstra 7fe5910bf8
Merge pull request #1857 from dtzWill/fix/check-for-lzma-mt 
configure.ac: check if lzma has MT support, fix deb build/etc.
 2018-02-19 13:06:14 +01:00
Shea Levy 690ac7c90b
configure: Add a flag to disable seccomp. 
This is needed for new arches where libseccomp support doesn't exist
yet.

Fixes #1878.
 2018-02-18 02:35:01 -05:00
Tuomas Tynkkynen 37264ed0ad libexpr: Avoid an unnecessary string copy in prim_derivationStrict 2018-02-17 16:54:21 +02:00
Tuomas Tynkkynen 66eeff3345 libexpr: Remove unnecessary drvName assignment in prim_derivationStrict 
drvName is already assigned to the same value right at the start of the
function.
 2018-02-17 16:54:21 +02:00
Tuomas Tynkkynen 7e0360504d libexpr: Optimize prim_derivationStrict by using more symbol comparisons 2018-02-17 16:54:21 +02:00
Tuomas Tynkkynen 0845cdf944 libexpr: Rely on Boehm returning zeroed memory in EvalState::allocEnv() 
Boehm guarantees that memory returned by GC_malloc() is zeroed, so take
advantage of that.
 2018-02-17 16:54:21 +02:00
Tuomas Tynkkynen b8bed7da14 libexpr: Optimize prim_attrNames a bit 
Instead of having lexicographicOrder() create a temporary sorted array
of Attr*:s and copying attr names from that, copy the attr names
first and then sort that.
 2018-02-17 16:54:21 +02:00
Tuomas Tynkkynen f67a7007a2 libexpr: Pre-reserve space in string in unescapeStr() 
Avoids some malloc() traffic.
 2018-02-16 04:39:43 +02:00
Eelco Dolstra 3a5a241b32
Merge pull request #1873 from matthewbauer/fix-manpath 
Set MANPATH in case man path isn’t set correctly.
 2018-02-15 17:37:21 +01:00