commits
| 2020-05-16 | README.md: Link to mmp, not mpvd | Sören Tempel |
| 2020-05-09 | connection: Fix parsing of `tagtypes all` and `tagtypes clear` | Sören Tempel |
| 2020-05-09 | connection: Add support for tagtypes commands | Sören Tempel |
| 2020-05-09 | parser: use mpcf_freefold in mpd_argument parser | Sören Tempel |
| 2020-05-09 | vendor: update mpc submodule | Sören Tempel |
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# libmpdserver Parser combinator library for [MPD][musicpd] client commands. ## Status Currently primarily a toy project for experimenting with parser combinators. Buggy, incomplete and unstable at the moment. Nonetheless, I started implementing a custom [MPD server][mmp github] with this library. ## Design Goals This library attempts to follow some of the [langsec][langsec website] principles outlined in [\[1\]][curing the vulnerable parsers]. This include a strict input grammar enforced using a parser combinator and performing full input recognition in the library before doing further processing in the application. ## Compilation Compile using: $ make Run the test suite using: $ make check Perform some sanity check with valgrind using: $ make valgrind ## Known Issues * Not all double quoted arguments are escaped before further processing. This means that commands like `pause "\0"` are incorrectly considered invalid. ## License This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. [musicpd]: https://musicpd.org/ [langsec website]: http://langsec.org/ [curing the vulnerable parsers]: https://www.usenix.org/publications/login/spring2017/bratus [mmp github]: https://github.com/nmeum/mmp