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diff tests/test-clone-uncompressed.t @ 32764:33b7283a3828

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streamclone: consider secret changesets (BC) (issue5589) Previously, a repo containing secret changesets would be served via stream clone, transferring those secret changesets. While secret changesets aren't meant to imply strong security (if you really want to keep them secret, others shouldn't have read access to the repo), we should at least make an effort to protect secret changesets when possible. After this commit, we no longer serve stream clones for repos containing secret changesets by default. This is backwards incompatible behavior. In case anyone is relying on the behavior, we provide a config option to opt into the old behavior. Note that this defense is only beneficial for remote repos accessed via the wire protocol: if a client has access to the files backing a repo, they can get to the raw data and see secret revisions.
author Gregory Szorc <gregory.szorc@gmail.com>
date Fri, 09 Jun 2017 10:41:13 -0700
parents e7a35f18d91f
children 10e162bb9bf5
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line diff
--- a/tests/test-clone-uncompressed.t	Fri Jun 09 21:33:15 2017 +0900
+++ b/tests/test-clone-uncompressed.t	Fri Jun 09 10:41:13 2017 -0700
@@ -49,6 +49,77 @@
   bundle2-input-bundle: 1 parts total
   checking for updated bookmarks
 
+Cannot stream clone when there are secret changesets
+
+  $ hg -R server phase --force --secret -r tip
+  $ hg clone --uncompressed -U http://localhost:$HGPORT secret-denied
+  warning: stream clone requested but server has them disabled
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 1 changes to 1 files
+
+  $ killdaemons.py
+
+Streaming of secrets can be overridden by server config
+
+  $ cd server
+  $ hg --config server.uncompressedallowsecret=true serve -p $HGPORT -d --pid-file=hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+  $ cd ..
+
+  $ hg clone --uncompressed -U http://localhost:$HGPORT secret-allowed
+  streaming all changes
+  1027 files to transfer, 96.3 KB of data
+  transferred 96.3 KB in * seconds (*/sec) (glob)
+  searching for changes
+  no changes found
+
+  $ killdaemons.py
+
+Verify interaction between preferuncompressed and secret presence
+
+  $ cd server
+  $ hg --config server.preferuncompressed=true serve -p $HGPORT -d --pid-file=hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+  $ cd ..
+
+  $ hg clone -U http://localhost:$HGPORT preferuncompressed-secret
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 1 changes to 1 files
+
+  $ killdaemons.py
+
+Clone not allowed when full bundles disabled and can't serve secrets
+
+  $ cd server
+  $ hg --config server.disablefullbundle=true serve -p $HGPORT -d --pid-file=hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+  $ cd ..
+
+  $ hg clone --uncompressed http://localhost:$HGPORT secret-full-disabled
+  warning: stream clone requested but server has them disabled
+  requesting all changes
+  remote: abort: server has pull-based clones disabled
+  abort: pull failed on remote
+  (remove --pull if specified or upgrade Mercurial)
+  [255]
+
+Local stream clone with secrets involved
+(This is just a test over behavior: if you have access to the repo's files,
+there is no security so it isn't important to prevent a clone here.)
+
+  $ hg clone -U --uncompressed server local-secret
+  warning: stream clone requested but server has them disabled
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 1 changes to 1 files
 
 Stream clone while repo is changing: