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Add host key support for SSH1.

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This commit is contained in:
Vlad Grigorescu 2015-01-06 21:23:18 -06:00
parent 5e206ed108
commit 245bd07af7
3 changed files with 36 additions and 5 deletions
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21
scripts/base/protocols/ssh/main.bro
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@ -186,11 +186,24 @@ event connection_state_remove(c: connection) &priority=-5
Log::write(SSH::LOG, c$ssh);
}
function generate_fingerprint(c: connection, key: string)
{
local lx = str_split(md5_hash(key), vector(2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30));
lx[0] = "";
c$ssh$host_key = sub(join_string_vec(lx, ":"), /:/, "");
}
event ssh1_server_host_key(c: connection, p: string, e: string)
{
if ( !c?$ssh )
return;
generate_fingerprint(c, e + p);
}
event ssh_server_host_key(c: connection, key: string)
{
if ( !c?$ssh )
return;
local lx = str_split(md5_hash(key), vector(2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30));
lx[0] = "";
c$ssh$host_key = sub(join_string_vec(lx, ":"), /:/, "");
}
generate_fingerprint(c, key);
}