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server kex: enable delayed compression

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The code is careful to reenable compression when rekeying.

Signed-off-by: Nicolas Viennot <nicolas@viennot.biz>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Nicolas Viennot
2013-11-02 22:30:35 -04:00
committed by Andreas Schneider
parent a466a624e2
commit 1ef00045dd
1 changed files with 14 additions and 4 deletions
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18
src/wrapper.c
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@@ -317,8 +317,13 @@ int crypt_set_algorithms_server(ssh_session session){
session->next_crypto->do_compress_in=1;
}
if(strcmp(method,"zlib@openssh.com") == 0){
ssh_set_error(session,SSH_FATAL,"zlib@openssh.com not supported");
return SSH_ERROR;
SSH_LOG(SSH_LOG_PACKET,"enabling C->S delayed compression");
if (session->flags & SSH_SESSION_FLAG_AUTHENTICATED) {
session->next_crypto->do_compress_in = 1;
} else {
session->next_crypto->delayed_compress_in = 1;
}
}
method = session->next_crypto->kex_methods[SSH_COMP_S_C];
@@ -327,8 +332,13 @@ int crypt_set_algorithms_server(ssh_session session){
session->next_crypto->do_compress_out=1;
}
if(strcmp(method,"zlib@openssh.com") == 0){
ssh_set_error(session,SSH_FATAL,"zlib@openssh.com not supported");
return SSH_ERROR;
SSH_LOG(SSH_LOG_PACKET,"enabling S->C delayed compression\n");
if (session->flags & SSH_SESSION_FLAG_AUTHENTICATED) {
session->next_crypto->do_compress_out = 1;
} else {
session->next_crypto->delayed_compress_out = 1;
}
}
method = session->next_crypto->kex_methods[SSH_HOSTKEYS];