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Christian Hesse
7ba41963dd snapshot: support tar signature for compressed tar
This adds support for kernel.org style signatures where the uncompressed
tar archive is signed and compressed later. The signature is valid for
all tar* snapshots.

We have a filter which snapshots may be generated and downloaded. This has
to allow tar signatures now even if tar itself is not allowed. To simplify
things we allow all signatures.

Signed-off-by: Christian Hesse <mail@eworm.de>
2018-07-03 20:37:44 +02:00
Christian Hesse
255b78ff52 git: update to v2.18.0
Update to git version v2.18.0. Required changes follow upstream commits:

* Convert find_unique_abbrev* to struct object_id
  (aab9583f7b5ea5463eb3f653a0b4ecac7539dc94)
* sha1_file: convert read_sha1_file to struct object_id
  (b4f5aca40e6f77cbabcbf4ff003c3cf30a1830c8)
* sha1_file: convert sha1_object_info* to object_id
  (abef9020e3df87c441c9a3a95f592fce5fa49bb9)
* object-store: move packed_git and packed_git_mru to object store
  (a80d72db2a73174b3f22142eb2014b33696fd795)
* treewide: rename tree to maybe_tree
  (891435d55da80ca3654b19834481205be6bdfe33)

The changed data types required some of our own functions to be converted
to struct object_id:

  ls_item
  print_dir
  print_dir_entry
  print_object
  single_tree_cb
  walk_tree
  write_tree_link

And finally we use new upstream functions that were added for
struct object_id:

  hashcpy     -> oidcpy
  sha1_to_hex -> oid_to_hex

Signed-off-by: Christian Hesse <mail@eworm.de>
Reviewed-by: John Keeping <john@keeping.me.uk>
2018-06-27 18:13:03 +02:00
Christian Hesse
2f8648ff7f snapshot: strip bit from struct cgit_snapshot_format
We had a static bit value in struct cgit_snapshot_format. We do not rely
on it and things can be calculated on the fly. So strip it.

Signed-off-by: Christian Hesse <mail@eworm.de>
2018-06-27 18:13:00 +02:00
John Keeping
c712d5ac43 snapshot: support archive signatures
Read signatures from the notes refs refs/notes/signatures/$FORMAT where
FORMAT is one of our archive formats ("tar", "tar.gz", ...).  The note
is expected to simply contain the signature content to be returned when
the snapshot "${filename}.asc" is requested, so the signature for
cgit-1.1.tar.xz can be stored against the v1.1 tag with:

	git notes --ref=refs/notes/signatures/tar.xz add -C "$(
		gpg --output - --armor --detach-sign cgit-1.1.tar.xz |
		git hash-object -w --stdin
	)" v1.1

and then downloaded by simply appending ".asc" to the archive URL.

Signed-off-by: John Keeping <john@keeping.me.uk>
Reviewed-by: Christian Hesse <mail@eworm.de>
2018-06-27 18:11:19 +02:00
John Keeping
00ad47bbfa ui-snapshot: filter permitted snapshot requests
Currently the snapshots configuration option only filters which links
are displayed, not which snapshots may be generated and downloaded.
Apply the filter also to requests to ensure that the system policy is
enforced.

Signed-off-by: John Keeping <john@keeping.me.uk>
Reviewed-by: Christian Hesse <mail@eworm.de>
2018-06-27 18:11:19 +02:00
John Keeping
c1572bb5ec Add "snapshot-prefix" repo configuration
Allow using a user-specified value for the prefix in snapshot files
instead of the repository basename.  For example, files downloaded from
the linux-stable.git repository should be named linux-$VERSION and not
linux-stable-$VERSION, which can be achieved by setting:

	repo.snapshot-prefix=linux

Signed-off-by: John Keeping <john@keeping.me.uk>
Reviewed-by: Christian Hesse <mail@eworm.de>
2018-06-27 18:11:19 +02:00
John Keeping
d85e8a9810 ui-snapshot: pass repo into get_ref_from_filename()
Prepare to allow a custom snapshot prefix.

Signed-off-by: John Keeping <john@keeping.me.uk>
Reviewed-by: Christian Hesse <mail@eworm.de>
2018-06-27 18:11:19 +02:00
Jeff Smith
86a6d358f7 git: update to v2.14
Numerous changes were made to git functions to use an object_id
structure rather than sending sha1 hashes as raw unsigned character
arrays.  The functions that affect cgit are: parse_object,
lookup_commit_reference, lookup_tag, lookup_tree, parse_tree_indirect,
diff_root_tree_sha1, diff_tree_sha1, and format_display_notes.

Commit b2141fc (config: don't include config.h by default) made it
necessary to that config.h be explicitly included when needed.

Commit 07a3d41 (grep: remove regflags from the public grep_opt API)
removed one way of specifying the ignore-case grep option.

Signed-off-by: Jeff Smith <whydoubt@gmail.com>
2017-08-10 15:58:24 +02:00
Christian Hesse
91153fd02e git: update to v2.11.0
Update to git version v2.11.0. Function write_archive()
dropped argument (int setup_prefix).
2016-11-30 10:43:08 +01:00
Christian Hesse
406f593895 ui-snapshot: replace 'unsigned char sha1[20]' with 'struct object_id oid'
Upstream git is replacing 'unsigned char sha1[20]' with 'struct object_id
oid'. We have some code that can be changed independent from upstream. So
here we go...
2016-10-04 09:47:18 +02:00
John Keeping
fd00e71ab7 snapshot: don't reimplement cgit_print_error_page()
cgit_print_error_page() has the advantage that it sets a suitable HTTP
status code for the response.  Note that setting "mimetype" is redundant
here since it cannot have changed since being initialized in
cgit.c::prepare_context(), so we do not need to worry that
cgit_print_error_page() does not set it.

Signed-off-by: John Keeping <john@keeping.me.uk>
2015-08-14 15:46:51 +02:00
John Keeping
58e827cbd9 snapshot: use cgit_print_error_page() for HTTP status codes
This is a bugfix as well as an improvement to the HTTP status code
handling since previously we would not print HTTP headers on any of
these code paths.

Signed-off-by: John Keeping <john@keeping.me.uk>
2015-08-14 15:46:51 +02:00
John Keeping
048f195eaf snapshot: use cgit_print_error_page() instead of html_status()
This provides a formatted error response rather than a simple HTTP
error.

Signed-off-by: John Keeping <john@keeping.me.uk>
2015-08-14 15:46:51 +02:00
Janus
1a2eeb94d4 Add Etags for snapshots 2015-01-28 13:42:49 +01:00
Christian Hesse
79c985e13c git: update for git 2.0
prefixcmp() and suffixcmp() have been remove, functionality is now
provided by starts_with() and ends_with(). Retrurn values have been
changed, so instead of just renaming we have to fix logic.
Everything else looks just fine.
2014-06-28 15:14:56 +02:00
Lukas Fleischer
3e9578e9a3 Remove unused parameter from cgit_print_snapshot() 2014-02-21 18:19:00 +01:00
Lukas Fleischer
f60ffa143c Switch to exclusively using global ctx
Drop the context parameter from the following functions (and all static
helpers used by them) and use the global context instead:

* cgit_print_http_headers()
* cgit_print_docstart()
* cgit_print_pageheader()

Remove context parameter from all commands

Drop the context parameter from the following functions (and all static
helpers used by them) and use the global context instead:

* cgit_get_cmd()
* All cgit command functions.
* cgit_clone_info()
* cgit_clone_objects()
* cgit_clone_head()
* cgit_print_plain()
* cgit_show_stats()

In initialization routines, use the global context variable instead of
passing a pointer around locally.

Remove callback data parameter for cache slots

This is no longer needed since the context is always read from the
global context variable.

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
2014-01-17 00:44:54 +01:00
John Keeping
7bd90b8048 filter: add interface layer
Change the existing cgit_{open,close,fprintf}_filter functions to
delegate to filter-specific implementations accessed via function
pointers on the cgit_filter object.

We treat the "exec" filter type slightly specially here by putting its
structure definition in the header file and providing an "init" function
to set up the function pointers.  This is required so that the
ui-snapshot.c code that applies a compression filter can continue to use
the filter interface to do so.

Signed-off-by: John Keeping <john@keeping.me.uk>
2014-01-14 02:00:07 +01:00
John Keeping
da218fcd9e ui-snapshot: set unused cgit_filter fields to zero
By switching the assignment of fields in the cgit_filter structure to
use designated initializers, the compiler will initialize all other
fields to their default value.  This will be needed when we add the
extra_args field in the next patch.

Signed-off-by: John Keeping <john@keeping.me.uk>
2014-01-12 20:16:33 +01:00
Lukas Fleischer
e711679618 ui-snapshot.c: Do not reinvent suffixcmp()
Use suffixcmp() from Git instead of reimplementing it. This is a
preparation for moving to ends_with() in Git 1.8.6.

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
2014-01-10 17:04:43 +01:00
Lukas Fleischer
f7f26f8875 Update copyright information
* Name "cgit Development Team" as copyright holder to avoid listing
  every single developer.

* Update copyright ranges.

Signed-off-by: Lukas Fleischer <cgit@crytocrack.de>
2014-01-08 15:10:49 +01:00
Jason A. Donenfeld
03eb76dfad cgit.c: Do not reset HOME after unsetting it.
The number of odd cases in which git will try to read config is far too
great to keep putting a bandaid over each one, so we'll just unset it.

If it turns out that scripts really liked to know about $HOME, we can
always reset it in the filter forks.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2013-05-25 20:33:28 +02:00
Jason A. Donenfeld
8bf4a0465e ui-snapshot: do not access $HOME
It's a bit tedious to have to do this here too. If we encounter other
issues with $HOME down the line, I'll look into adding some nice utility
functions to handle this, or perhaps giving up on the hope that we could
keep $HOME defined for scripts.

This commit additionally adds a test case, should the issue surface
again.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2013-04-30 12:29:07 +02:00
Lukas Fleischer
8c4c2c464b ui-snapshot.c: Prepend "V" when guessing ref names
In cgit_print_snapshot_links() we strip leading "v" and "V", while we
currently only prepend a lower case "v" when parsing a snapshot file
name. This results in broken snapshot links for tags that start with an
upper case "V". Avoid this by prepending a "V" as a fallback.

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
2013-04-10 14:49:31 +02:00
John Keeping
fb3655df3b use struct strbuf instead of static buffers
Use "struct strbuf" from Git to remove the limit on file path length.

Notes on scan-tree:
This is slightly involved since I decided to pass the strbuf into
add_repo() and modify if whenever a new file name is required, which
should avoid any extra allocations within that function.  The pattern
there is to append the filename, use it and then reset the buffer to its
original length (retaining a trailing '/').

Notes on ui-snapshot:
Since write_archive modifies the argv array passed to it we
copy the argv_array values into a new array of char* and then free the
original argv_array structure and the new array without worrying about
what the values now look like.

Signed-off-by: John Keeping <john@keeping.me.uk>
2013-04-08 16:12:52 +02:00
John Keeping
ed5bd30ebe Convert cgit_print_error to a variadic function
This removes many uses of "fmt" which uses a fixed size static pool of
fixed size buffers.  Instead of relying on these, we now pass around
argument lists for as long as possible before using a strbuf to render
content of an arbitrary size.

Signed-off-by: John Keeping <john@keeping.me.uk>
2013-04-08 16:11:29 +02:00
John Keeping
8f20879431 Always #include corresponding .h in .c files
While doing this, remove declarations from header files where the
corresponding definition is declared "static" in order to avoid build
errors.

Also re-order existing headers in ui-*.c so that the file-specific
header always comes immediately after "cgit.h", helping with future
consistency.

Signed-off-by: John Keeping <john@keeping.me.uk>
2013-04-08 15:45:34 +02:00
Lukas Fleischer
bafab423f2 Mark several functions/variables static
Spotted by parsing the output of `gcc -Wmissing-prototypes [...]`.

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
2013-03-04 19:50:39 -05:00
Jason A. Donenfeld
973deda0ea ui-snapshot.c: Fill argv[0] with dummy.
parse_archive_args does not pass PARSE_OPT_KEEP_ARGV0 to parse_args,
which means the first argument will be discarded, as though it were a
function being called from the command-line. Thus, we fill argv[0] with
a dummy argument to prevent this from happening.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2013-03-04 09:12:54 -05:00
Jason A. Donenfeld
bdae1d8a8d White space around control verbs.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2013-03-04 09:12:54 -05:00
John Keeping
2ab1cd9f3b Update git to v1.7.7.7
This release changes the archive interface so that we now need to pass
argv into write_archive().

Signed-off-by: John Keeping <john@keeping.me.uk>
2013-03-02 10:38:03 -05:00
Jason A. Donenfeld
055e092a33 ui-snapshot: pass -n to gzip, to suppress timestamp
Since cgit snapshots of tags are often used for releases, we don't
want the rarely used feature of the gzip compressor that includes
an embedded timestamp into the archive, since this makes each tarball
of the same (potentially signed) tag different.

This commit refactors the archive handling code a bit so that each
different format is able to run with an arbitrary argv for the filter.
2012-09-27 03:35:25 +02:00
Lars Hjemli
3ec6b30950 cgit.c: always setup cgit repo environment variables
When cgit learned to setup environment variables for certain repo
settings before invoking a filter process, the setup occurred inside
cgit_open_filter().

This patch moves the setup out of cgit_open_filter() and into
prepare_repo_cmd() to prepare for additional uses of these variables.

Reviewed-by: Ferry Huberts <mailings@hupie.com>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2011-06-13 23:03:46 +00:00
Lars Hjemli
7eb9f9e980 Merge branch 'stable' 2011-06-02 10:33:23 +00:00
Lars Hjemli
2aabeaf834 ui-snapshot.c: remove debug cruft
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2011-06-02 10:26:41 +00:00
Ferry Huberts
d87bba846d cgit_open_filter: also take the repo as a parameter
To prepare for handing repo configuration to the
filter script that is executed.

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2011-03-26 11:03:42 +01:00
Lars Hjemli
bf8293d319 Merge branch 'stable' 2010-09-01 12:32:57 +00:00
Lars Hjemli
ba1769cb64 ui-snapshot: actually compress zip archives
Since cgit linked with git-1.6.0 all zip archives has been uncompressed.
This patch fixes the issue by specifying Z_DEFAULT_COMPRESSION.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2010-09-01 12:32:19 +00:00
Andreas Wiese
0642435fed Add .tar.xz-snapshot support
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2009-12-08 22:18:11 +01:00
Lars Hjemli
18dfbdc099 ui-snapshot: use cgit_{open|close}_filter() to execute compressors
This simplifies the code in ui-snapshot.c and makes the test-suite
verify the new filter-functions.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2009-07-31 17:40:13 +02:00
Lars Hjemli
6fddad7251 ui-snapshot: avoid segfault when no filename is specified
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2009-03-15 08:57:33 +01:00
Lars Hjemli
aa60ae12cb Merge branch 'snapshot-fixes' 2009-01-11 12:22:46 +01:00
Natanael Copa
c4b45de334 return 404 if snapshot is not found
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2008-12-28 10:09:18 +01:00
Lars Hjemli
ed77b2e0bf ui-snapshot.c: change mime-type for tar.gz and tar.bz2
The updated mime-types seems to work better than the old ones with both
safari and firefox.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2008-12-26 11:33:59 +01:00
Lars Hjemli
4b4f8d1256 ui-snapshot: improve extraction of revision from snapshot name
The modified get_ref_from_filename() supports the following snapshot
formats:
* $REV.$EXT
* $REPO[-_]*v?$REV.$EXT

This implies that the following urls will retrieve the expected revision:
* http://hjemli.net/git/cgit/snapshot/v0.8.1.tar.gz
* http://hjemli.net/git/cgit/snapshot/0.8.1.tar.gz
* http://hjemli.net/git/cgit/snapshot/cgit-0.8.1.tar.gz
* http://hjemli.net/git/cgit/snapshot/cgit-140012d7a8.tar.gz

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2008-12-01 19:13:44 +01:00
Natanael Copa
314d9ea5a3 Set prefix in snapshots when using dwimmery
This patch sets the directory prefix in archives to be the filename,
excluding the suffix (.tar.gz, .tar.bz2 etc).

The patch also removes the prefix parameter in cgit_print_snapshot()
as the prefix might differ.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2008-11-30 13:39:53 +01:00
Lars Hjemli
ed7ff095ca ui-snapshot: add dwimmery
When downloading a snapshot, the snapshot name will often contain the repo
name combined with a tag. This patch tries to exploit this so that the
correct revision is downloaded even if no specific revision is specified.

PS: this only occurs if neither 'h' nor 'id' is specified in the query-
string.

PPS: this also fixes a bug which occurs when trying to download a filename
with an unsupported suffix: it used to try to print an error message to
the user but failed since it didn't prepare the output properly.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2008-10-11 20:09:42 +02:00
Lars Hjemli
204669ff4a ui-snapshot.c: specify archiver_args.baselen
The struct member was introduces in git commit d53fe8187c38, but the cgit
testsuite failed to detect that cgit always generated archives without
prefixes, i.e. the result from cgit_repobasename was ignored.

This fixes the bug and the testsuite.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2008-10-05 13:13:03 +02:00
Lars Hjemli
a4d1ca1dc6 Add ui-shared.h
This is finally a proper headerfile for the shared ui-functions which
used to reside in cgit.h

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2008-03-24 16:50:57 +01:00
Lars Hjemli
f34478cbe0 Refactor snapshot support
The snapshot support needs to be split between output- and config-related
functions to get the layering between shared.c and ui-*.c right. There
is also some codestyle-issues which needs fixing to make the snapshot
functions more similar to the rest of the cgit code.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2008-03-24 16:00:27 +01:00