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telnet through expect functions

Posted by harsh (harsh), 11 March 2005
HI,

I am using expect functions(exp_spawnv and exp_expectv) in C++ code. i was using rlogin method to connect to remote host which was working fine.now i am changing "rlogin" to "telnet" which is creating some problem. The initial banner of remote host is not coming into exp_buffer so we are not ablle to search for word "login" which is creating problems.
Can anybody help on this.

Posted by admin (Graham Ellis), 11 March 2005
No experience of using them in C++ ... but plenty with direct calls. Have you tried running your telnet session from the expect program (without the C++) as a test?   If so, did it function correctly?

As a wild guess, have you checked VERY carefully what your remote host is sending and what you're expecting.  Something as subtle as a capital letter rather than a lower case one can be the cause of the whole thing freezing then timing out.



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