6828e5972b
Prior to the fixes for CVE-2020-11008, we were _very_ lenient in what we required from a URL in order to parse it into a `struct credential`. That led to serious vulnerabilities. There was one call site, though, that really needed that leniency: when parsing config settings a la `credential.dev.azure.com.useHTTPPath`. Settings like this might be desired when users want to use, say, a given user name on a given host, regardless of the protocol to be used. In preparation for fixing that bug, let's refactor the code to optionally allow for partial URLs. For the moment, this functionality is only exposed via the now-renamed function `credential_from_url_1()`, but it is not used. The intention is to make it easier to verify that this commit does not change the existing behavior unless explicitly allowing for partial URLs. Please note that this patch does more than just reinstating a way to imitate the behavior before those CVE-2020-11008 fixes: Before that, we would simply ignore URLs without a protocol. In other words, misleadingly, the following setting would be applied to _all_ URLs: [credential "example.com"] username = that-me The obvious intention is to match the host name only. With this patch, we allow precisely that: when parsing the URL with non-zero `allow_partial_url`, we do not simply return success if there was no protocol, but we simply leave the protocol unset and continue parsing the URL. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Reviewed-by: Carlo Marcelo Arenas Belón <carenas@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> |
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README.md
Git - fast, scalable, distributed revision control system
Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals.
Git is an Open Source project covered by the GNU General Public License version 2 (some parts of it are under different licenses, compatible with the GPLv2). It was originally written by Linus Torvalds with help of a group of hackers around the net.
Please read the file INSTALL for installation instructions.
Many Git online resources are accessible from https://git-scm.com/ including full documentation and Git related tools.
See Documentation/gittutorial.txt to get started, then see
Documentation/giteveryday.txt for a useful minimum set of commands, and
Documentation/git-.txt for documentation of each command.
If git has been correctly installed, then the tutorial can also be
read with man gittutorial or git help tutorial, and the
documentation of each command with man git-<commandname> or git help <commandname>.
CVS users may also want to read Documentation/gitcvs-migration.txt
(man gitcvs-migration or git help cvs-migration if git is
installed).
The user discussion and development of Git take place on the Git mailing list -- everyone is welcome to post bug reports, feature requests, comments and patches to git@vger.kernel.org (read Documentation/SubmittingPatches for instructions on patch submission). To subscribe to the list, send an email with just "subscribe git" in the body to majordomo@vger.kernel.org. The mailing list archives are available at https://public-inbox.org/git/, http://marc.info/?l=git and other archival sites.
The maintainer frequently sends the "What's cooking" reports that list the current status of various development topics to the mailing list. The discussion following them give a good reference for project status, development direction and remaining tasks.
The name "git" was given by Linus Torvalds when he wrote the very first version. He described the tool as "the stupid content tracker" and the name as (depending on your mood):
- random three-letter combination that is pronounceable, and not actually used by any common UNIX command. The fact that it is a mispronunciation of "get" may or may not be relevant.
- stupid. contemptible and despicable. simple. Take your pick from the dictionary of slang.
- "global information tracker": you're in a good mood, and it actually works for you. Angels sing, and a light suddenly fills the room.
- "goddamn idiotic truckload of sh*t": when it breaks