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Fix "-c none" so that it allows aes during authentication

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Default for options.h shouldn't allow "none"
This commit is contained in:
Matt Johnston 2013-03-20 23:52:49 +08:00
parent 2259ce4cdf
commit 845ad0be39
2 changed files with 9 additions and 5 deletions
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6
common-runopts.c
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@ -75,6 +75,12 @@ parse_ciphers_macs()
dropbear_exit(".");
}
if (strcmp(opts.cipher_list, "none") == 0)
{
/* Encryption is required during authentication */
opts.cipher_list = "none,aes128-ctr";
}
if (check_user_algos(opts.cipher_list, sshciphers, "cipher") == 0)
{
dropbear_exit("No valid ciphers specified for '-c'");

8
options.h
View File

@ -104,7 +104,7 @@ much traffic. */
* this could be safe security-wise, though make sure you know what
* you're doing. Anyone can see everything that goes over the wire, so
* the only safe auth method is public key. */
#define DROPBEAR_NONE_CIPHER
/* #define DROPBEAR_NONE_CIPHER */
/* Message Integrity - at least one required.
* Protocol RFC requires sha1 and recommends sha1-96.
@ -126,10 +126,8 @@ much traffic. */
/* You can also disable integrity. Don't bother disabling this if you're
* still using a cipher, it's relatively cheap. If you disable this it's dead
* simple to run arbitrary commands on the remote host. Beware.
* Note again, for the client you will have to disable other hashes above
* to use this. */
#define DROPBEAR_NONE_INTEGRITY
* simple to run arbitrary commands on the remote host. Beware. */
/* #define DROPBEAR_NONE_INTEGRITY */
/* Hostkey/public key algorithms - at least one required, these are used
* for hostkey as well as for verifying signatures with pubkey auth.