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* Add a cache-snapshot-ttl configuration variableLukas Fleischer2014-02-20-0/+12
| | | | | | | | | | | | | This can be used to specify the TTL for snapshots. Snapshots are usually static and do not ever change. On the other hand, tarball generation is CPU intensive. One use case of this setting (apart from increasing the lifetime of snapshot cache slots) is caching of snapshots while disabling the cache for static/dynamic HTML pages (by setting TTL to zero for everything except for snapshot requests). Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* diffstat: do not rely on uninitialized dataJason A. Donenfeld2014-02-20-0/+1
| | | | | | | | | | | Right now if you visit: <http://git.zx2c4.com/systemd/diff/src/udev/udev-builtin-input_id.c?id=bcfce235> you'll see that if you reload the page a few times, a bunch of times the diffstat comes out with no lines being shown or changed. I'm not currently sure what the cause of this is, but I suspect it might have to do with this uninitialized data. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* gen-version.sh: check if git is available before trying to call itFabien C2014-02-05-1/+1
| | | | | | | | Some people may clone the cgit repository and compile within a sandbox or on another machine where git is not necessarily installed. When it happens, cgit is getting compiled with an empty version number. This commit fixes this.
* simple-authentication: styleJason A. Donenfeld2014-01-23-1/+1
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* makefile: use LUA_PKGCONFIG to set Lua implementationNatanael Copa2014-01-22-31/+16
| | | | | | | | This breaks compat with the previous LUA_IMPLEMENTATION but gives more flexibility in that user can specify the pkg-config package name directly. Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
* tests: only do lua tests if lua is compiled-inJason A. Donenfeld2014-01-20-2/+17
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* cgit: add --version argument for printing infoJason A. Donenfeld2014-01-20-0/+17
| | | | | | We need this to do runtime tests for make test. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* cache: use sendfile() instead of a pair of read() + write()Sebastian Andrzej Siewior2014-01-19-1/+34
| | | | | | | | | | | sendfile() does the same job and avoids to copy the content into userland and back. One has to define NO_SENDFILE in case the OS (kernel / libc) does not supported. It is disabled by default on non-linux environemnts. According to the glibc, sendfile64() was added in Linux 2.4 (so it has been there for a while) but after browsing over the mapage of FreeBSD's I noticed that the prototype is little different. Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
* README: document pkg-config for luajitJason A. Donenfeld2014-01-19-1/+1
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* makefile: bump versionJason A. Donenfeld2014-01-17-1/+1
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* mailmap: source before lighttpdJason A. Donenfeld2014-01-17-1/+1
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* ui-shared: do not allow negative minutesJason A. Donenfeld2014-01-17-0/+2
| | | | | | | Do to timestamp differences, sometimes cgit would should "-0 min", which doesn't make any sense. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* auth: document tweakables in lua scriptJason A. Donenfeld2014-01-17-0/+10
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* repolist: make owner clickable to searchJason A. Donenfeld2014-01-17-0/+6
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* ui-shared: move about tab all the way to the leftJason A. Donenfeld2014-01-17-4/+4
| | | | | | | | There were no objections (at the time of committing this): http://lists.zx2c4.com/pipermail/cgit/2013-May/001393.html http://lists.zx2c4.com/pipermail/cgit/2014-January/001904.html Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* filter: don't forget to reap the auth filterJason A. Donenfeld2014-01-17-0/+1
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* cgit.c: free tmp variableJason A. Donenfeld2014-01-17-0/+1
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* Switch to exclusively using global ctxLukas Fleischer2014-01-17-442/+437
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* auth: have cgit calculate login addressJason A. Donenfeld2014-01-16-10/+16
| | | | | | | This way we're sure to use virtual root, or any other strangeness encountered. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* auth: lua string comparisons are time invariantJason A. Donenfeld2014-01-16-2/+2
| | | | | | By default, strings are compared by hash, so we can remove this comment. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* authentication: use hidden form instead of refererJason A. Donenfeld2014-01-16-94/+131
| | | | | | | This also gives us some CSRF protection. Note that we make use of the hmac to protect the redirect value. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* auth: add basic authentication filter frameworkJason A. Donenfeld2014-01-16-16/+387
| | | | | | | | | | | | | | | | This leverages the new lua support. See filters/simple-authentication.lua for explaination of how this works. There is also additional documentation in cgitrc.5.txt. Though this is a cookie-based approach, cgit's caching mechanism is preserved for authenticated pages. Very plugable and extendable depending on user needs. The sample script uses an HMAC-SHA1 based cookie to store the currently logged in user, with an expiration date. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* t0111: Additions and fixesLukas Fleischer2014-01-16-10/+10
| | | | | | | | | * Rename the capitalize-* filters to dump.* since they also dump the arguments. * Add full argument validation to the email filters. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* parsing.c: Remove leading space from committerLukas Fleischer2014-01-16-1/+1
| | | | | | | | This did not really break anything in the past since spaces are ignored when rendering HTML. Remove the preceding space anyway to prevent from potential future problems. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* Add .mailmapLukas Fleischer2014-01-15-0/+10
| | | | Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* t0111: Add basic tests for Lua filtersLukas Fleischer2014-01-15-36/+63
| | | | | | | | | | | | | | | * Validate the email filter by manipulating stdin. Additional checks for all the arguments can be added in a later patch. * Add the exec prefix to all informational messages. * Rename the filter repository to filter-exec. The Git repository itself is not renamed since it can be shared amongst all filter types. * In the filter checks, check whether all arguments are passed properly instead of validating the buffer/stdin only. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* email-gravatar: fix html syntax issuesChristian Hesse2014-01-15-2/+2
| | | | | an attribute value specification must be an attribute value literal unless SHORTTAG YES is specified
* email-gravatar: do not scale icons upJason A. Donenfeld2014-01-14-2/+2
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* filter: allow returning exit code from filterJason A. Donenfeld2014-01-14-6/+12
| | | | | | | Filters can now indicate a status back to cgit by means of the exit code for exec, or the return value from close for Lua. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* tests/: Add t0111-filter.shLukas Fleischer2014-01-14-0/+57
| | | | | | This adds basic tests for all types of exec filters. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* email-gravatar: fix html syntax issuesChristian Hesse2014-01-14-2/+2
| | | | | | * make ampersand a html entity * add required alt attribute * add required img end tag
* email-gravatar.py: fix UTF-8Christian Hesse2014-01-14-0/+4
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* email-gravatar.lua: fix for lua 5.2Christian Hesse2014-01-14-1/+1
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* makefile: only display lua message onceJason A. Donenfeld2014-01-14-8/+7
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* README: document lua makefile flagsJason A. Donenfeld2014-01-14-0/+16
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* cgitrc.5.txt: Fix documentation of the snapshot maskLukas Fleischer2014-01-14-6/+7
| | | | | | | | Mention that the snapshot setting only specifies the formats that links are generated for and not the set of formats that are accessible via HTTP. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
* makefile: auto-detect presence of various Lua, bsdJason A. Donenfeld2014-01-14-10/+37
| | | | | | | | | | | | We favor LuaJIT over Lua. We disable Lua if neither can be found. We error out if a particular Lua is specified via LUA_IMPLEMENTATION=JIT or LUA_IMPLEMENTATION=VANILLA, but cannot be found. We print a status message depending on what happens. Also, we do not link against libdl on the BSDs, since they include it as part of libc. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* filter: style tweaksJason A. Donenfeld2014-01-14-11/+11
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* filter: add page source to email filterJason A. Donenfeld2014-01-14-15/+21
| | | | | | | | Since the email filter is called from lots of places, the script might benefit from knowing the origin. That way it can modify its contents and/or size depending. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* filter: add gravatar scriptsJason A. Donenfeld2014-01-14-0/+58
| | | | | | | The lua one is hugely faster than the python one, but both are included for comparison. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* filter: add support for email filterJason A. Donenfeld2014-01-14-2/+47
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* filter: return on null filter from open and closeJason A. Donenfeld2014-01-14-22/+14
| | | | | | | | So that we don't have to include the if(filter) open_filter(filter) block everywhere, we introduce the guard in the function itself. This should simplify quite a bit of code. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* filter: add lua supportJason A. Donenfeld2014-01-14-3/+235
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* filter: basic write hooking infrastructureJason A. Donenfeld2014-01-14-23/+67
| | | | | | | | | | | | | | | | | Filters can now call hook_write and unhook_write if they want to redirect writing to stdout to a different function. This saves us from potential file descriptor pipes and other less efficient mechanisms. We do this instead of replacing the call in html_raw because some places stdlib's printf functions are used (ui-patch or within git itself), which has its own internal buffering, which makes it difficult to interlace our function calls. So, we dlsym libc's write and then override it in the link stage. While we're at it, we move considerations of argument count into the generic new filter handler. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* filter: allow for cleanup hook for filter typesJason A. Donenfeld2014-01-14-27/+66
| | | | | | | | | | | | At some point, we're going to want to do lazy deallocation of filters. For example, if we implement lua, we'll want to load the lua runtime once for each filter, even if that filter is called many times. Similarly, for persistent exec filters, we'll want to load it once, despite many open_filter and close_filter calls, and only reap the child process at the end of the cgit process. For this reason, we add here a cleanup function that is called at the end of cgit's main(). Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* filter: introduce "filter type" prefixJohn Keeping2014-01-14-2/+40
| | | | | | | | This allows different filter implementations to be specified in the configuration file. Currently only "exec" is supported, but it may now be specified either with or without the "exec:" prefix. Signed-off-by: John Keeping <john@keeping.me.uk>
* filter: add interface layerJohn Keeping2014-01-14-22/+63
| | | | | | | | | | | | | | 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>
* filter: add fprintf_filter functionJohn Keeping2014-01-14-3/+9
| | | | | | | | This stops the code in cgit.c::print_repo needing to inspect the cgit_filter structure, meaning that we can abstract out different filter types that will have different fields that need to be printed. Signed-off-by: John Keeping <john@keeping.me.uk>
* authors: specify maintainersJason A. Donenfeld2014-01-14-6/+13
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* filters: Improved syntax-highlighting.pyStefan Tatschner2014-01-13-19/+33
| | | | | | | | | | | | | | | | - Switched back to python2 according to a problem in pygments with python3. With the next release of pygments this problem should be fixed. Issue see here: https://bitbucket.org/birkenfeld/pygments-main/issue/901/problems-with-python3 - Just read the stdin, decode it to utf-8 and ignore unknown signs. This ensures that even destroyed files do not cause any errors in the filter. - Improved language guessing: -> At first use guess_lexer_for_filename for a better detection of the used programming languages (even mixed cases will be detected, e.g. php + html). -> If nothing was found look if there is a shebang and use guess_lexer. -> As default/fallback choose TextLexer. Signed-off-by: Stefan Tatschner <stefan@sevenbyte.org>
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