Net/ssh: corrupted mac detected

Ruby
1

Never did quite get past this error when using net/ssh. Any suggestions?

[I did have the ISP upgrade their ssh some time ago, but they also migrated servers so I can’t be sure].

Any ideas? Thanks!

(this is from within a Net::SSH.start, when executing an unzip on the
remote
machine …)

unzip generated_site.zip -d generated_site…
rake aborted!
corrupted mac detected
c:/ruby/lib/ruby/gems/1.8/gems/net-ssh-1.0.5/lib/net/ssh/transport/packet-stream.rb:182:in
get' c:/ruby/lib/ruby/gems/1.8/gems/net-ssh-1.0.5/lib/net/ssh/transport/packet-stream.rb:147:insynchron
ize’
c:/ruby/lib/ruby/gems/1.8/gems/net-ssh-1.0.5/lib/net/ssh/transport/packet-stream.rb:147:in
get' c:/ruby/lib/ruby/gems/1.8/gems/needle-1.2.0/lib/needle/lifecycle/proxy.rb:60:insend’
c:/ruby/lib/ruby/gems/1.8/gems/needle-1.2.0/lib/needle/lifecycle/proxy.rb:60:in
method_missing' c:/ruby/lib/ruby/gems/1.8/gems/net-ssh-1.0.5/lib/net/ssh/transport/session.rb:245:inwait_for_messa
ge’
c:/ruby/lib/ruby/gems/1.8/gems/net-ssh-1.0.5/lib/net/ssh/transport/session.rb:240:in
loop' c:/ruby/lib/ruby/gems/1.8/gems/net-ssh-1.0.5/lib/net/ssh/transport/session.rb:240:inwait_for_messa
ge’
c:/ruby/lib/ruby/gems/1.8/gems/net-ssh-1.0.5/lib/net/ssh/connection/driver.rb:148:in
process' c:/ruby/lib/ruby/gems/1.8/gems/net-ssh-1.0.5/lib/net/ssh/service/shell/shell.rb:124:inconsume_conn
ection’
c:/ruby/lib/ruby/gems/1.8/gems/net-ssh-1.0.5/lib/net/ssh/service/shell/shell.rb:68:in
stdout?' c:/ruby/lib/ruby/gems/1.8/gems/net-ssh-1.0.5/lib/net/ssh/service/shell/sync.rb:65:insend_command’
c:/ruby/lib/ruby/gems/1.8/gems/net-ssh-1.0.5/lib/net/ssh/service/shell/sync.rb:63:in
loop' c:/ruby/lib/ruby/gems/1.8/gems/net-ssh-1.0.5/lib/net/ssh/service/shell/sync.rb:63:insend_command’
C:/des/desktop/methods/cfr/source/rakefile.rb:192:in ssh_cmd_echo' C:/des/desktop/methods/cfr/source/rakefile.rb:206 C:/des/desktop/methods/cfr/source/rakefile.rb:202:ininitialize’
c:/ruby/lib/ruby/gems/1.8/gems/net-ssh-1.0.5/lib/net/ssh.rb:47:in new' c:/ruby/lib/ruby/gems/1.8/gems/net-ssh-1.0.5/lib/net/ssh.rb:47:instart’
C:/des/desktop/methods/cfr/source/rakefile.rb:202
C:/des/desktop/methods/cfr/source/rakefile.rb:200:in call' c:/ruby/lib/ruby/gems/1.8/gems/rake-0.6.99.2/lib/rake.rb:227:inexecute’
c:/ruby/lib/ruby/gems/1.8/gems/rake-0.6.99.2/lib/rake.rb:227:in each' c:/ruby/lib/ruby/gems/1.8/gems/rake-0.6.99.2/lib/rake.rb:227:inexecute’
c:/ruby/lib/ruby/gems/1.8/gems/rake-0.6.99.2/lib/rake.rb:197:in invoke' c:/ruby/lib/ruby/gems/1.8/gems/rake-0.6.99.2/lib/rake.rb:190:insynchronize’
c:/ruby/lib/ruby/gems/1.8/gems/rake-0.6.99.2/lib/rake.rb:190:in invoke' c:/ruby/lib/ruby/gems/1.8/gems/rake-0.6.99.2/lib/rake.rb:1673:inrun’
c:/ruby/lib/ruby/gems/1.8/gems/rake-0.6.99.2/lib/rake.rb:1673:in each' c:/ruby/lib/ruby/gems/1.8/gems/rake-0.6.99.2/lib/rake.rb:1673:inrun’
c:/ruby/lib/ruby/gems/1.8/gems/rake-0.6.99.2/bin/rake:7
c:/ruby/bin/rake:18:in `load’
c:/ruby/bin/rake:18

2

A corrupted mac is very often caused by a bug in Net::SSH. Is this a
script you can send me, that I can use to try to duplicate the error?

  • Jamis
3

On Thu, 05 Jan 2006 04:13:02 -0000, itsme213 [email protected]
wrote:

machine …)

unzip generated_site.zip -d generated_site…
rake aborted!
corrupted mac detected

[… snip …]

Either you’ve encountered a Bad Apple (sorry), or something else is
wrong.

This probably doesn’t help, but I do recall something about a bug around
this, but I can’t remember the specifics. I’d still do a bit of a
security
check to make sure no-one’s sitting between and injecting stuff, but it
seems about right. The thing I’m referring to was ‘Corrupted MAC on
input’, and Google seems to have some hits.

Sorry if that doesn’t help.