| Commit message (Collapse) | Author | Age |
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This changes the environment variable name to the more generic
GIT_ANNEX_P2P_AUTHTOKEN.
This commit was sponsored by andrea rota.
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All other exceptions are let through, but IO errors accessing the handle
are to be expected, so quietly ignore.
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git upload-pack makes some uncessary writes in sequence, this tries to
gather them together to avoid needing to send multiple DATA packets when
just one will do.
In a small pull, this reduces the average number of DATA packets from
4.5 to 2.5.
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Still a couple bugs:
* Closing the connection to the server leaves git upload-pack /
receive-pack running, which could be used to DOS.
* Sometimes the data is transferred, but it fails at the end, sometimes
with:
git-remote-tor-annex: <socket: 10>: commitBuffer: resource vanished (Broken pipe)
Must be a race condition around shutdown.
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service.
Almost working, but there's a bug in the relaying.
Also, made tor hidden service setup pick a random port, to make it harder
to port scan.
This commit was sponsored by Boyd Stephen Smith Jr. on Patreon.
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Tested it in ghci a little now.
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This is most of the way to having the p2p protocol working over tor
hidden services, at least enough to do git push/pull.
The free monad was split into two, one for network operations and the
other for local (Annex) operations. This will allow git-remote-tor-annex
to run only an IO action, not needing the Annex monad.
This commit was sponsored by Remy van Elst on Patreon.
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A bit tricky since Proto doesn't support threads. Rather than adding
threading support to it, ended up using a callback that waits for both
data on a Handle, and incoming messages at the same time.
This commit was sponsored by Denis Dzyubenko on Patreon.
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Is content locking needed in the P2P protocol? Based on re-reading
bugs/concurrent_drop--from_presence_checking_failures.mdwn,
I think so: Peers can form cycles, and multiple peers can all be trying
to drop the same content.
So, added content locking to the protocol, with some difficulty.
The implementation is fine as far as it goes, but note the warning
comment for lockContentWhile -- if the connection to the peer is dropped
unexpectedly, the peer will then unlock the content, and yet the local
side will still think it's locked.
To be honest I'm not sure if Remote.Git's lockKey for ssh remotes
doesn't have the same problem. It checks that the
"ssh remote git-annex-shell lockcontent"
process has not exited, but if the connection closes afer that check,
the lockcontent command will unlock it, and yet the local side will
still think it's locked.
Probably this needs to be fixed by eg, making lockcontent catch any
execptions due to the connection closing, and in that case, wait a
significantly long time before dropping the lock.
This commit was sponsored by Anthony DeRobertis on Patreon.
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Using SUCCESS to mean the content is present and FAILURE to mean it's not.
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This mirrors how git-annex-shell works; recvKey updates location
tracking, but sendKey does not.
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For use with tor hidden services, and perhaps other transports later.
Based on Utility.SimpleProtocol, it's a line-based protocol,
interspersed with transfers of bytestrings of a specified size.
Implementation of the local and remote sides of the protocol is done
using a free monad. This lets monadic code be included here, without
tying it to any particular way to get bytes peer-to-peer.
This adds a dependency on the haskell package "free", although that
was probably pulled in transitively from other dependencies already.
This commit was sponsored by Jeff Goeke-Smith on Patreon.
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backtraces for unexpected errors.
ghc 8 added backtraces on uncaught errors. This is great, but git-annex was
using error in many places for a error message targeted at the user, in
some known problem case. A backtrace only confuses such a message, so omit it.
Notably, commands like git annex drop that failed due to eg, numcopies,
used to use error, so had a backtrace.
This commit was sponsored by Ethan Aubin.
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* S3: Support the special case endpoint needed for the cn-north-1 region.
* Webapp: Don't list the Frankfurt region, as this (and some other new
regions) need V4 authorization which the aws library does not yet use.
This commit was sponsored by Nick Daly on Patreon.
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Note that get --from foo --failed will get things that a previous get --from bar
tried and failed to get, etc. I considered making --failed only retry
transfers from the same remote, but it was easier, and seems more useful,
to not have the same remote requirement.
Noisy due to some refactoring into Types/
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were not before.
Removed the instance LensGpgEncParams RemoteConfig because it encouraged
code that does not take the RemoteGitConfig into account.
RemoteType's setup was changed to take a RemoteGitConfig,
although the only place that is able to provide a non-empty one is
enableremote, when it's changing an existing remote. This led to several
folow-on changes, and got RemoteGitConfig plumbed through.
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what's used in initremote.
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This is useful for makking a special remote that anyone with a clone of the
repo and your public keys can upload files to, but only you can decrypt the
files stored in it.
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remote.<name>.annex-gnupg-decrypt-options, which are passed to gpg when it's decrypting data.
The naming is unofrtunately not consistent, but the gnupg-options
were only used for encrypting, and it's too late to change that.
It would be nice to have a third setting that is always passed to gnupg,
but ~/.gnupg/options can be used to specify such global options when really
needed.
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used chunking. This bug could also expose the names of keys to such remotes.
This is a low-severity security hole.
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The direct flag is also set when sending unlocked content, to support old
versions of git-annex-shell. At some point, the direct flag will be
removed, and only the unlocked flag will be used.
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Including in addurl, and get --from web, but also in S3 and External
special remotes when a web url is known for content in those remotes.
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/dev/null stderr; ssh is still able to display a password prompt
despite this
Show some messages so the user knows it's locking a remote, and
knows if that locking failed.
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In c3b38fb2a075b4250e867ebd910324c65712c747, it actually only handled
uploading objects to a shared repository. To avoid verification when
downloading objects from a shared repository, was a lot harder.
On the plus side, if the process of downloading a file from a remote
is able to verify its content on the side, the remote can indicate this
now, and avoid the extra post-download verification.
As of yet, I don't have any remotes (except Git) using this ability.
Some more work would be needed to support it in special remotes.
It would make sense for tahoe to implicitly verify things downloaded from it;
as long as you trust your tahoe server (which typically runs locally),
there's cryptographic integrity. OTOH, despite bup being based on shas,
a bup repo under an attacker's control could have the git ref used for an
object changed, and so a bup repo shouldn't implicitly verify. Indeed,
tahoe seems unique in being trustworthy enough to implicitly verify.
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When gpg.program is configured, it's used to get the command to run for
gpg. Useful on systems that have only a gpg2 command or want to use it
instead of the gpg command.
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This only makes sense for public repos, that are not chunked, so
that there's a 1:1 from Key in the git-annex repo to file on the remote.
Rather than making every remote implementation deal with that, just disable
whereisKey when it doesn't make sense.
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resuming after the last successfully uploaded chunk.
"checkPresent baser" was wrong; the baser has a dummy checkPresent action
not the real one. So, to fix this, we need to call preparecheckpresent to
get a checkpresent action that can be used to check if chunks are present.
Note that, for remotes like S3, this means that the preparer is run,
which opens a S3 handle, that will be used for each checkpresent of a
chunk. That's a good thing; if we're resuming an upload that's already many
chunks in, it'll reuse that same http connection for each chunk it checks.
Still, it's not a perfectly ideal thing, since this is a different http
connection that the one that will be used to upload chunks. It would be
nice to improve the API so that both use the same http connection.
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Joey Hess