[tahoe-dev] [tahoe-lafs] #833: reject mutable children when *reading* an immutable dirnode

tahoe-lafs trac at allmydata.org
Wed Jan 13 21:51:53 UTC 2010

#833: reject mutable children when *reading* an immutable dirnode
 Reporter:  warner                           |           Owner:  warner  
     Type:  defect                           |          Status:  assigned
 Priority:  critical                         |       Milestone:  1.6.0   
Component:  code-dirnodes                    |         Version:  1.5.0   
 Keywords:  integrity forward-compatibility  |   Launchpad_bug:          

Comment(by zooko):

 Oh, so this suggests a further refinement: child links that have caps that
 begin with one of our defined prefixes such as {{{URI:CHK:}}} but which
 are not well-formed according to {{{uri.from_string()}}} will ''not'' be
 treated as child links potentially-from-the-future but instead as bad
 child links, the same as child links which try to provide mutable access
 to you when they are in a mutable directory.

Ticket URL: <http://allmydata.org/trac/tahoe/ticket/833#comment:19>
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