Hello @all!
I'd like to start a ssh-connection over a c-program. I've tried it with
"pope". It looks like that:
//CODE
#include
#include
using namespace std;
int main()
{
FILE *write_fp;
char password[50];
char command[50];
sprintf(password, "thats_the_ssh_password");
sprintf(command, "date");
write_fp = popen("ssh -l root server", "w");
fwrite(password, sizeof(char), strlen(password), write_fp);
fwrite(command, sizeof(char), strlen(command), write_fp);
pclose(write_fp);
}
//CODE
You see i try to:
- start "ssh -l root server"
- send the password to the " password: " prompt
- send a command ("date") over SSH to the server.
I've found out that SSH doesn't expect the password over the
"normal-channel".
Does anybody know if there is the possibility to insert the password into
the "ssh -l root server"-command?
That would solve the problem...
Thank you!
Best regards,
Mike
--
View this message in context:
Sent from the SSH (Secure Shell) mailing list archive at Nabble.com.
On Thu, Oct 11, 2007 at 03:23:07PM -0700, mainway wrote:
[snip code]
You see i try to:
- start "ssh -l root server"
- send the password to the " password: " prompt
- send a command ("date") over SSH to the server.
I've found out that SSH doesn't expect the password over the
"normal-channel".
Does anybody know if there is the possibility to insert the password into
the "ssh -l root server"-command?
That would solve the problem...
Not sure about how to solve the programming problem.
I have to ask, have you thought about using a key with no passphrase[0]?
I'm assuming you want to use this for automation.
ssh -l root -i ~/.ssh/id_rsa "date"
If not there are other open source programs out there [1] that do
something similar as far as passing things to ssh.
Also, I know expect [2] can pass arguments such as passwords to ssh as well.
HTH,
~ stevo
[0] -
[1] -
[2] -
On Thu, 11 Oct 2007, mainway wrote:
Does anybody know if there is the possibility to insert the password into
the "ssh -l root server"-command?
That would solve the problem...
Most setup password-less keys for that.
But I patched OpenSSH client in May to allow a user to set a password in
their ssh configuration.
It is useful if you don't have control of the server itself.
Anyone have thoughts on this?
I have been using it since May.
On Thu, 11 Oct 2007, mainway wrote:
I've found out that SSH doesn't expect the password over the
"normal-channel".
This is a feature :-). The simplest option is to use a key file with
empty password (man ssh-keygen).
Does anybody know if there is the possibility to insert the password into
the "ssh -l root server"-command?
That would solve the problem...
You need a pseudo-terminal to fool ssh: the straightforward way is to
use expect <> (there is a Perl
version as well).
--
Regards,
ASK
Mike,
Did you every get a resolution to this problem?
I am having the same issue using sftp and I did
want to use keys.
William
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