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<title>coreutils/src/chcon.c, branch v8.22</title>
<subtitle>Mirror of https://https.git.savannah.gnu.org/git/coreutils.git/
</subtitle>
<id>https://git.shady.money/coreutils/atom?h=v8.22</id>
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<updated>2013-11-27T14:19:32Z</updated>
<entry>
<title>selinux: adjust utils to run restorecon with -Z</title>
<updated>2013-11-27T14:19:32Z</updated>
<author>
<name>Pádraig Brady</name>
<email>P@draigBrady.com</email>
</author>
<published>2013-11-27T12:26:51Z</published>
<link rel='alternate' type='text/html' href='https://git.shady.money/coreutils/commit/?id=7958a4a4fe234f9787daf178a60bc83449605dac'/>
<id>urn:sha1:7958a4a4fe234f9787daf178a60bc83449605dac</id>
<content type='text'>
cp, mv, install, mkdir, mkfifo, mknod are adjusted so that:
 -Z no longer accepts an argument.
 -Z or --context without an argument do not warn without SELinux.
 --context with an argument will warn without SELinux.

* src/local.mk: Reference the new selinux module where required.
* src/system.h: Make the argument to --context optional.
* src/mkdir.c: Likewise.  Also handle the SMACK case for --context.
Note we currently silently ignore -Z with SMACK.
* src/mkfifo.c: Likewise.
* src/mknod.c: Likewise.
* src/install.c: Likewise.  Note install(1) by default already
set the context for target files to their system default,
albeit with an older method.  Use the -Z option to select between
the old and new context restoration behavior, and document
the differences and details for how context restoration
is done in new and old methods, with a view disabling the
old method entirely in future.
* src/cp.c: Make the argument to --context optional.
Note -Z implies --no-preserve=context.  I.E. -Z overrides
that aspect of -a no matter what order specified.
(struct cp_options): Document the context handling options.
(main): Check/adjust option combinations after all
options are processed, to both simplify processing
and to make handling independent of order of options
on the command line.  Also improve the diagnostics
from a failed call to setfscreatecon().
(set_process_security_ctx): A new function,
refactored to set the default context from the source file,
or with the type adjusted as per the system default for
the destination path.
(set_file_security_ctx): A new function refactored to
set the security context of an existing file, either based on
the process context or the default system context for a path.
(copy_internal): Use the refactored functions to simplify
error handling and consistently fail or warn as needed.
(copy_reg): Likewise.
(copy_internal): With --preserve=context, also copy
context from non regular files.  Note for directories this may
impact the copying of subsequent files to that directory?
(copy_attr): If we're handling SELinux explicitly,
then exclude to avoid the redudant copy with --preserve=context,
and the problematic copy with -Z.  Note SELinux attribute exclusion
also now honors cp -a --no-preserve=context.  Note there was a
very small window over 10 years ago, where attr_copy_file was
available, while attr_copy_check_permissions was not, so we
don't bother adding an explicit m4 check for the latter function.
* src/mv.c: Support --context, but don't allow specifying an argument.
* src/chcon.c: Adjust a comment to be specific to SELinux.
* src/runcon.c: Likewise.
* src/copy.c: Honor the context settings to "restorecon" as appropriate.
* src/copy.h: Add a new setting to select "restorecon" functionality.
* tests/mkdir/selinux.sh: s/-Z/--context=/
* tests/cp/cp-a-selinux.sh: Augment this test with cases
testing basic -Z functionality, and also test the various
invalid option combinations and option precedence.
* tests/mkdir/restorecon.sh: Add a new test for the
more involved mkdir -Z handling, since the directory changing
and non existent directories need to be specially handled.
Also check the similar but simpler handling of -Z by mk{nod,fifo}.
* tests/local.mk: Reference the new test.
* doc/coreutils.texi (cp invocation): Update as per interface changes.
(mv invocation): Likewise.
(install invocation): Likewise.
(mkfifo invocation): Likewise.
(mknod invocation): Likewise.
(mkdir invocation): Likewise.
* NEWS: Mention the new feature and change in behavior.
</content>
</entry>
<entry>
<title>maint: define usage note about mandatory args centrally</title>
<updated>2013-01-23T00:03:38Z</updated>
<author>
<name>Bernhard Voelker</name>
<email>mail@bernhard-voelker.de</email>
</author>
<published>2013-01-23T00:03:38Z</published>
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<id>urn:sha1:4eaadb47430f21aee83eb920378be01945845a9a</id>
<content type='text'>
Each program with at least one long option which is marked as
'required_argument' and which has also a short option for that
option, should print a note about mandatory arguments.
Define that well-known note centrally and use it rather than
literal printf/fputs, and add it where it was missing.

* src/system.h (emit_mandatory_arg_note): Add new function.

* src/cp.c (usage): Use it rather than literal printf/fputs.
* src/csplit.c, src/cut.c, src/date.c, src/df.c, src/du.c:
* src/expand.c, src/fmt.c, src/fold.c, src/head.c, src/install.c:
* src/kill.c, src/ln.c, src/ls.c, src/mkdir.c, src/mkfifo.c:
* src/mknod.c, src/mv.c, src/nl.c, src/od.c, src/paste.c:
* src/pr.c, src/ptx.c, src/shred.c, src/shuf.c, src/sort.c:
* src/split.c, src/stdbuf.c, src/tac.c, src/tail.c, src/timeout.c:
* src/touch.c, src/truncate.c, src/unexpand.c, src/uniq.c:
Likewise.

* src/base64.c (usage): Add call of the above new function
because at least one long option has a required argument.
* src/basename.c, src/chcon.c, src/date.c, src/env.c:
* src/nice.c, src/runcon.c, src/seq.c, src/stat.c, src/stty.c:
Likewise.
</content>
</entry>
<entry>
<title>maint: update all copyright year number ranges</title>
<updated>2013-01-01T03:51:20Z</updated>
<author>
<name>Jim Meyering</name>
<email>jim@meyering.net</email>
</author>
<published>2013-01-01T02:54:51Z</published>
<link rel='alternate' type='text/html' href='https://git.shady.money/coreutils/commit/?id=77da73c75432f3c5b4beebae7b0797a1e33160bc'/>
<id>urn:sha1:77da73c75432f3c5b4beebae7b0797a1e33160bc</id>
<content type='text'>
Run "make update-copyright", but then also run this,
  perl -pi -e 's/2\d\d\d-//' tests/sample-test
to make that one script use the single most recent year number.
</content>
</entry>
<entry>
<title>doc: chcon: add descriptions for three undocumented options</title>
<updated>2012-11-09T13:16:36Z</updated>
<author>
<name>Benno Schulenberg</name>
<email>bensberg@justemail.net</email>
</author>
<published>2012-10-15T17:37:34Z</published>
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<id>urn:sha1:2aeb77bf0f005a079ebaa78caf0b4d21ff10563c</id>
<content type='text'>
These were missed in this related change v8.14-104-g44e20cd

* src/chcon.c (usage): Mention the two --preserve-root options.
* doc/coreutils.texi (chcon invocation): Plus the --dereferece option.
</content>
</entry>
<entry>
<title>maint: src/*.c: change remaining quotes (without embedded spaces)</title>
<updated>2012-01-09T20:50:08Z</updated>
<author>
<name>Jim Meyering</name>
<email>meyering@redhat.com</email>
</author>
<published>2012-01-08T14:08:30Z</published>
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<id>urn:sha1:a517386f1bf8c64ee7617cc2c9d0a16a1d85c8c4</id>
<content type='text'>
Run this (twice):
  git grep -E -l '`[^ ]+'\' src/*.c \
    |xargs perl -pi -e 's/`([^ ]+'\'')/'\''$1/'
</content>
</entry>
<entry>
<title>maint: use new emit_try_help in place of equivalent fprintf</title>
<updated>2012-01-07T15:54:26Z</updated>
<author>
<name>Jim Meyering</name>
<email>meyering@redhat.com</email>
</author>
<published>2012-01-07T15:54:26Z</published>
<link rel='alternate' type='text/html' href='https://git.shady.money/coreutils/commit/?id=101d1203c667ec3ab54a026dde43117563d4e944'/>
<id>urn:sha1:101d1203c667ec3ab54a026dde43117563d4e944</id>
<content type='text'>
Run this command:
  perl -0777 -pi -e \
   's/fprintf \(stderr, _\("Try `%s --help.*\n.*;/emit_try_help ();/m'\
     src/*.c
</content>
</entry>
<entry>
<title>maint: update all copyright year number ranges</title>
<updated>2012-01-01T09:04:06Z</updated>
<author>
<name>Jim Meyering</name>
<email>meyering@redhat.com</email>
</author>
<published>2012-01-01T08:47:10Z</published>
<link rel='alternate' type='text/html' href='https://git.shady.money/coreutils/commit/?id=5111aa42968262bd4d44eeca277b194020bb5007'/>
<id>urn:sha1:5111aa42968262bd4d44eeca277b194020bb5007</id>
<content type='text'>
Run "make update-copyright".
</content>
</entry>
<entry>
<title>doc: homologize ch{con,grp,mod,own} option descriptions</title>
<updated>2011-12-26T22:19:46Z</updated>
<author>
<name>Pádraig Brady</name>
<email>P@draigBrady.com</email>
</author>
<published>2011-12-26T19:20:04Z</published>
<link rel='alternate' type='text/html' href='https://git.shady.money/coreutils/commit/?id=44e20cda07046da961ff1e42b240be74ad200488'/>
<id>urn:sha1:44e20cda07046da961ff1e42b240be74ad200488</id>
<content type='text'>
* src/chgrp.c (usage): Group associated options together,
to aid users.  Also minimize the differences between
individual messages across these four commands, to
aid translators.
* src/chmod.c: Likewise.
* src/chown.c: Likewise.
* src/chcon.c (usage): Likewise.  Document the
--dereference option.

Suggested by Paul Eggert and Jari Aalto
</content>
</entry>
<entry>
<title>maint: replace uses of ignore_ptr with ignore_value</title>
<updated>2011-01-07T02:09:32Z</updated>
<author>
<name>Pádraig Brady</name>
<email>P@draigBrady.com</email>
</author>
<published>2011-01-05T12:01:14Z</published>
<link rel='alternate' type='text/html' href='https://git.shady.money/coreutils/commit/?id=f331653fe8607988d0ef478ed2860e79b0fa88a8'/>
<id>urn:sha1:f331653fe8607988d0ef478ed2860e79b0fa88a8</id>
<content type='text'>
* gnulib: Update for enhanced ignore_value()
* src/chcon.c (process_file): Don't use the deprecated ignore_ptr.
* src/chmod.c (process_file): Likewise.
* src/chown-core.c (change_file_owner): Likewise.
</content>
</entry>
<entry>
<title>maint: update all copyright year number ranges</title>
<updated>2011-01-01T21:16:47Z</updated>
<author>
<name>Jim Meyering</name>
<email>meyering@redhat.com</email>
</author>
<published>2011-01-01T10:37:32Z</published>
<link rel='alternate' type='text/html' href='https://git.shady.money/coreutils/commit/?id=9d6231ef2a74671fa08bc263519edfe46e8d1805'/>
<id>urn:sha1:9d6231ef2a74671fa08bc263519edfe46e8d1805</id>
<content type='text'>
Run "make update-copyright".
</content>
</entry>
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