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* Support unannotated tags in git-clone.Jason A. Donenfeld2013-02-01
| | | | | | | | | | | | | | | | | | | Matthew McClintock reported that older unannotated tags were not correctly being cloned and did not appear in info/refs. Further investigation revealed some dubious prefix comparison code for determining whether or not to write refs in info/refs. After comparing it with git's own http-backend.c, it appears upstream does not use this prefix logic. OTOH, I don't know what the reasoning was when the prefix logic was introduced. It appears to me to just be buggy, though it's possible there are other reasons, and we'll have to revisit this commit. But for now, Works For Me. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Matthew McClintock <msm@freescale.com> Reported-by: Matthew McClintock <msm@freescale.com>
* ssdiff: correctly manage tab expansionJulius Plenz2013-02-01
| | | | | | | Previously, replace_tabs("foo\tbar") would become " foobar". Signed-off-by: Julius Plenz <plenz@cis.fu-berlin.de> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* Make "owner" column on index page configurableFlorian Pritz2013-02-01
| | | | | | | | | This is not really needed for personal sites where all repos belong to the same person. Since it is pretty useful for shared sites however, it should be configurable. Signed-off-by: Florian Pritz <bluewind@xinu.at> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* man: fix up default value duplicationJason A. Donenfeld2012-11-15
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* CGIT-0.9.1v0.9.1Jason A. Donenfeld2012-11-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enhancements: - path-selected submodule links - intelligent default branch guessing - /etc/mime.types lookup - gitweb.* and cgit.* git-config support - case insensitive sorting and age sorting - commit, repository, and section sorting - bold currently viewed page in pagination - support BSDs in makefile Security: - CVE-2012-4465: heap-buffer overflow in parsing.c - CVE-2012-4548: syntax highlighting command injection Bug Fixes: - transition maintainer to Jason Donenfeld (zx2c4) - download git snapshot from github instead of Lars' old server - css fixes - stablization of tests - more compatible default highlight script - suppress gzip timestamp so that tarballs only use tar timestamps - treat ctags as target in makefile - do not let global variables override certain local repo settings - print ampersand as proper html entity - use placeholder for empty commit subject - format diff view for addition and removal of files - point links at correct blob from ssdiff Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* man: show mime type default valueJason A. Donenfeld2012-11-15
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* ssdiff: point line links at exact blob by prepending "id="Julius Plenz2012-11-15
| | | | | | | | | | Previously, the id_str (i.e. the current or diffed-against commit's SHA1 ID) was simply concatenated to the URL. Now, prepend an "id=" string so that the links actually point to the right blobs and thus the exact lines. Signed-off-by: Julius Plenz <plenz@cis.fu-berlin.de> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* Format git diff headers correctly when adding or removing files.Michael Halstead2012-11-15
| | | | | | Copying the output of cgit and using it in patches now works when adding files to or removing files from the repository. This is helpful for people who use cgit in their patch workflow.
* Makefile: get snapshots from githubFerry Huberts2012-11-04
| | | | Github will have more bandwidth than Lars' server.
* Makefile: remove tags fileJamie Couture2012-10-31
| | | | | | Remove tags file from working directory. Signed-off-by: Jamie Couture <jamie.couture@gmail.com>
* ui-shared: use placeholder for empty commit subjectChristian Franke2012-10-28
| | | | | Display a placeholder when creating links to commits with empty subjects. This avoids the creation of links of the form <a></a>.
* syntax-highlighting.sh: Fix command injection.Jason A. Donenfeld2012-10-27
| | | | | | | | | By not quoting the argument, an attacker with the ability to add files to the repository could pass arbitrary arguments to the highlight command, in particular, the --plug-in argument which can lead to arbitrary command execution. This patch adds simple argument quoting.
* Fix man page typo.Jason A. Donenfeld2012-10-18
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* Makefile: Support OpenBSD just like FreeBSDJason A. Donenfeld2012-10-17
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* Makefile: support FreeBSD libiconv pathsJason A. Donenfeld2012-10-17
| | | | | According to Dan Rue <drue@therub.org>, FreeBSD requires the lib paths to get libiconv from /usr/local.
* tests: check for proper html entityJason A. Donenfeld2012-10-17
| | | | | | | Since we're now properly writing ampersand literals as &amp; instead of as a plain &, we need to update the test accordingly. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* ui-log: Add "commit-sort" option for controlling commit orderingTobias Bieniek2012-10-17
| | | | | | | This makes it possible to use strict commit date ordering or strict topological ordering by passing the corresponding flags to "git log". Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* ui-repolist: Add "section-sort" flag to control section sorting.Tobias Bieniek2012-10-17
| | | | | | | | Flag which, when set to "1", will sort the sections on the repository listing by name. Set this flag to "0" if the order in the cgitrc file should be preserved. Default value: "1". Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* scan-tree: Unify gitweb.* and cgit.* settings into one config option.Jason A. Donenfeld2012-10-17
| | | | | | | | | | | | | | | | | | | | | | | | | | After some back and forth with Jamie and René, it looks like the git config semantics are going to be like this: - gitweb.category maps to the cgit repo config key "section" - gitweb.description maps to the cgit repo config key "desc" - gitweb.owner maps to the cgit repo config key "owner" - cgit.* maps to all cgit repo config keys This option can be enabled with "enable-git-config=1", and replaces all previous "enable-gitweb-*" config keys. The order of operations is as follows: - git config settings are applied in the order that they exist in the git config file - if the owner is not set from git config, get the owner using the usual getpwuid call - if the description is not set from git config, look inside the static $path/description file - if section-from-path=1, override whatever previous settings were inside of git config using the section-from-path logic - parse $path/cgitrc for local repo.* settings, that override all previous settings
* ui: Remember to print ampersand as proper html entities.William Bell2012-10-17
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* ui-repolist: Rename section-sort to repository-sort.Jason A. Donenfeld2012-10-16
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* repo_config: do not let globals override repo settingsTobias Bieniek2012-10-16
| | | | | | | | | | | | This makes it possible to activate the enable_commit_graph, enable_log_filecount, and enable_log_linecount for individual repositories, even if the global setting is "0" (default). The commit that introduced the broken behavior was e189344, and the commit message of that makes it clear that this wasn't the intended behavior. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* README: times, they are a-changinJason A. Donenfeld2012-10-09
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* syntax-highlight: when the file has no extension, assume textFerry Huberts2012-10-09
| | | | | | | | | | There are 2 situations: 1- empty extension: assuming text is better than highlight producing no output because of a missing argument. 2- no extension at all: assuming text is better than setting the extension to the filename, which is what now happens. Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
* ui-repolist: do not use agefile if it's date could not be parsedFerry Huberts2012-10-09
| | | | Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
* Revert "filters/syntax-highlighting.sh: work around highlight --force bug"Ferry Huberts2012-10-09
| | | | | | | | | This reverts commit f50be7fda0a7ab57009169dd5905fcbab8eb5166. An update with the latest highlight landed in EPEL. This new version doesn't have the --force bug, so the workaround can now be removed. Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
* Makefile: add tag target to generate ctagsJamie Couture2012-10-08
| | | | Signed-off-by: Jamie Couture <jamie.couture@gmail.com>
* ui-repolist: Bold the currently viewed page.Jamie Couture2012-10-08
| | | | Signed-off-by: Jamie Couture <jamie.couture@gmail.com>
* do not write outside heap bufferJim Meyering2012-10-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * parsing.c (substr): Handle tail < head. This started when I noticed some cgit segfaults on savannah.gnu.org. Finding the offending URL/commit and then constructing a stand-alone reproducer were far more time-consuming than writing the actual patch. The problem arises with a commit like this, in which the user name part of the "Author" field is empty: $ git log -1 commit 6f3f41d73393278f3ede68a2cb1e7a2a23fa3421 Author: <T at h.or> Date: Mon Apr 23 22:29:16 2012 +0200 Here's what happens: (this is due to buf=malloc(0); strncpy (buf, head, -1); where "head" may point to plenty of attacker-specified non-NUL bytes, so we can overwrite a zero-length heap buffer with arbitrary data) Invalid write of size 1 at 0x4A09361: strncpy (mc_replace_strmem.c:463) by 0x408977: substr (parsing.c:61) by 0x4089EF: parse_user (parsing.c:73) by 0x408D10: cgit_parse_commit (parsing.c:153) by 0x40A540: cgit_mk_refinfo (shared.c:171) by 0x40A581: cgit_refs_cb (shared.c:181) by 0x43DEB3: do_for_each_ref (refs.c:690) by 0x41075E: cgit_print_branches (ui-refs.c:191) by 0x416EF2: cgit_print_summary (ui-summary.c:56) by 0x40780A: summary_fn (cmd.c:120) by 0x40667A: process_request (cgit.c:544) by 0x404078: cache_process (cache.c:322) Address 0x4c718d0 is 0 bytes after a block of size 0 alloc'd at 0x4A0884D: malloc (vg_replace_malloc.c:263) by 0x455C85: xmalloc (wrapper.c:35) by 0x40894C: substr (parsing.c:60) by 0x4089EF: parse_user (parsing.c:73) by 0x408D10: cgit_parse_commit (parsing.c:153) by 0x40A540: cgit_mk_refinfo (shared.c:171) by 0x40A581: cgit_refs_cb (shared.c:181) by 0x43DEB3: do_for_each_ref (refs.c:690) by 0x41075E: cgit_print_branches (ui-refs.c:191) by 0x416EF2: cgit_print_summary (ui-summary.c:56) by 0x40780A: summary_fn (cmd.c:120) by 0x40667A: process_request (cgit.c:544) Invalid write of size 1 at 0x4A09400: strncpy (mc_replace_strmem.c:463) by 0x408977: substr (parsing.c:61) by 0x4089EF: parse_user (parsing.c:73) by 0x408D10: cgit_parse_commit (parsing.c:153) by 0x40A540: cgit_mk_refinfo (shared.c:171) by 0x40A581: cgit_refs_cb (shared.c:181) by 0x43DEB3: do_for_each_ref (refs.c:690) by 0x41075E: cgit_print_branches (ui-refs.c:191) by 0x416EF2: cgit_print_summary (ui-summary.c:56) by 0x40780A: summary_fn (cmd.c:120) by 0x40667A: process_request (cgit.c:544) by 0x404078: cache_process (cache.c:322) Address 0x4c7192b is not stack'd, malloc'd or (recently) free'd Invalid write of size 1 at 0x4A0940E: strncpy (mc_replace_strmem.c:463) by 0x408977: substr (parsing.c:61) by 0x4089EF: parse_user (parsing.c:73) by 0x408D10: cgit_parse_commit (parsing.c:153) by 0x40A540: cgit_mk_refinfo (shared.c:171) by 0x40A581: cgit_refs_cb (shared.c:181) by 0x43DEB3: do_for_each_ref (refs.c:690) by 0x41075E: cgit_print_branches (ui-refs.c:191) by 0x416EF2: cgit_print_summary (ui-summary.c:56) by 0x40780A: summary_fn (cmd.c:120) by 0x40667A: process_request (cgit.c:544) by 0x404078: cache_process (cache.c:322) Address 0x4c7192d is not stack'd, malloc'd or (recently) free'd Process terminating with default action of signal 11 (SIGSEGV) Access not within mapped region at address 0x502F000 at 0x4A09400: strncpy (mc_replace_strmem.c:463) by 0x408977: substr (parsing.c:61) by 0x4089EF: parse_user (parsing.c:73) by 0x408D10: cgit_parse_commit (parsing.c:153) by 0x40A540: cgit_mk_refinfo (shared.c:171) by 0x40A581: cgit_refs_cb (shared.c:181) by 0x43DEB3: do_for_each_ref (refs.c:690) by 0x41075E: cgit_print_branches (ui-refs.c:191) by 0x416EF2: cgit_print_summary (ui-summary.c:56) by 0x40780A: summary_fn (cmd.c:120) by 0x40667A: process_request (cgit.c:544) by 0x404078: cache_process (cache.c:322) This happens when tail - head == -1 here: (parsing.c) char *substr(const char *head, const char *tail) { char *buf; buf = xmalloc(tail - head + 1); strncpy(buf, head, tail - head); buf[tail - head] = '\0'; return buf; } char *parse_user(char *t, char **name, char **email, unsigned long *date) { char *p = t; int mode = 1; while (p && *p) { if (mode == 1 && *p == '<') { *name = substr(t, p - 1); t = p; mode++; } else if (mode == 1 && *p == '\n') { The fix is to handle the case of (tail < head) before calling xmalloc, thus avoiding passing an invalid value to xmalloc. And here's the reproducer: It was tricky to reproduce, because git prohibits use of an empty "name" in a commit ID. To construct the offending commit, I had to resort to using "git hash-object". git init -q foo && ( cd foo && echo a > j && git add . && git ci -q --author='au <T at h.or>' -m. . && h=$(git cat-file commit HEAD|sed 's/au //' \ |git hash-object -t commit -w --stdin) && git co -q -b test $h && git br -q -D master && git br -q -m test master) git clone -q --bare foo foo.git cat <<EOF > in repo.url=foo.git repo.path=foo.git EOF CGIT_CONFIG=in QUERY_STRING=url=foo.git valgrind ./cgit The valgrind output is what you see above. AFAICS, this is not exploitable thanks (ironically) to the use of strncpy. Since that -1 translates to SIZE_MAX and this is strncpy, not only does it copy whatever is in "head" (up to first NUL), but it also writes SIZE_MAX - strlen(head) NUL bytes into the destination buffer, and that latter is guaranteed to evoke a segfault. Since cgit is single-threaded, AFAICS, there is no way that the buffer clobbering can be turned into an exploit.
* ui-snapshot: pass -n to gzip, to suppress timestampJason A. Donenfeld2012-09-27
| | | | | | | | | | 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.
* Update copyright headers to have latest dates.Jason A. Donenfeld2012-07-12
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* ui-repolist: Case insensitive sorting and age sortJason A. Donenfeld2012-07-12
| | | | | | Add two options, one for doing the ordinary name sorts in a case-insensitive manner, and another for choosing to sort repos in each section by age instead of by name.
* scan-tree: Support gitweb.category.Jason A. Donenfeld2012-07-12
| | | | | Use gitweb.category from git config to determine repo's section, if option is enabled.
* scan-tree: Support gitweb.description.Jason A. Donenfeld2012-07-12
| | | | | Use gitweb.description instead of description file to determine description, if option is enabled.
* css: only use div#cgitFerry Huberts2012-03-20
| | | | | | | | Don't bother with 'body' and 'div#cgit form', since everything is wrapped in 'div#cgit' already. Removing these two types makes embedding even easier. Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
* Merge branch 'fh/mimetypes'Lars Hjemli2012-03-18
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| * ui_plain: automatically lookup mimetype when mimetype-file is setFerry Huberts2011-07-19
| | | | | | | | | | | | | | | | | | | | | | | | For sites that do not want to configure mime types by hand but still want the correct mime type for 'plain' blobs, configuring a mime type file is made possible. This is handy since such a file is normally already provided (at least on Linux systems). Also, this reflects the gitweb option '$mimetypes_file' Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl> Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* | Merge branch 'jp/defbranch'Lars Hjemli2012-03-18
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| * | ui-repolist.c: fallback to "master" if no default branch is specifiedLars Hjemli2011-07-19
| | | | | | | | | | | | | | | | | | | | | | | | When looking for the modtime of a repo we used to rely on repo.defbranch having a value. This is no longer true so this patch provides a default value when needed. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
| * | cgit.c: use resolve_ref() to guess_defbranch()Lars Hjemli2011-06-20
| | | | | | | | | | | | | | | | | | | | | | | | The resolve_ref() function handles reading of git- and filesystem symbolic links (including proper whitespace trimming) and packed refs. There's no point in reimplementing this function in cgit. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
| * | Only guess default branch when a repo page is requestedLars Hjemli2011-06-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's no need to invoke guess_defbranch() for each repo during scan-path, since repo.defbranch is only used when repo content is being displayed. Also, some users prefer to register their projects manually in cgitrc but they got no benefit from the new repo.defbranch handling. This patch tries to rectify these issues by only invoking guess_defbranch() when needed, regardless of how the repo was registered. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
| * | guess default branch from HEADJulius Plenz2011-06-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a saner alternative than hardcoding the default branch to be "master". The add_repo() function will now check for a symbolic ref in repo_path/HEAD. If there is a suitable one, overwrite repo->defbranch with it. Note that you'll need to strip the newline from the file (-> len-17). If HEAD is a symbolic link pointing directly to a branch below refs/heads/, do a readlink() instead to find the ref name. Signed-off-by: Julius Plenz <plenz@cis.fu-berlin.de> Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* | | Merge branch 'lh/module-links'Lars Hjemli2012-03-18
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| * | | Do not provide a default value for `module-link`Lars Hjemli2011-06-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The old default value was an abomination which never should have been allowed to see the light of day. This patch removes the default, which is a backwards incompatible change with low probability of causing anyone any real trouble (a repo with submodules, displayed by cgit using the default value of `module-link`, is very unlikely to actually generate working links). Signed-off-by: Lars Hjemli <hjemli@gmail.com>
| * | | ui-plain.c: add support for path-selected submodule linksLars Hjemli2011-06-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In ui-plain.c, the links generated for submodule entry ignored the fact that the entry was in fact a submodule. This patch adds proper submodule links to the plain directory listings. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
| * | | ui-tree.c: add support for path-selected submodule linksLars Hjemli2011-06-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current 'repo.module-link' option is sufficient when all gitlinks in a repository can be converted to commit links in a uniform way, but not when different submodules/paths needs different settings. This patch adds support for 'repo.module-link.<path>', which will be used for linking to submodules at paths matching one such entry. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
* | | | Merge branch 'stable'Lars Hjemli2012-03-18
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| * | | | filters/syntax-highlighting.sh: work around highlight --force bugFerry Huberts2012-03-18
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| * | | | filters/highlight.sh: manually support highlight version 2 and 3Ferry Huberts2012-03-18
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| * | | | tests: properly quote arguments to printfFerry Huberts2012-03-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | v2: incorporate remarks of Lukas Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
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