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Code

s4:libcli: Add smb2_connect_enc_start()

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Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This commit is contained in:
Andreas Schneider 2020-07-07 12:44:26 +02:00 committed by Andreas Schneider
parent 6454ed761a
commit d546dd1e5b
1 changed files with 38 additions and 0 deletions
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38
source4/libcli/smb2/connect.c
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@ -237,6 +237,7 @@ static void smb2_connect_session_start(struct tevent_req *req)
tevent_req_set_callback(subreq, smb2_connect_session_done, req);
}
static void smb2_connect_enc_start(struct tevent_req *req);
static void smb2_connect_tcon_start(struct tevent_req *req);
static void smb2_connect_tcon_done(struct tevent_req *subreq);
@ -289,6 +290,43 @@ static void smb2_connect_session_done(struct tevent_req *subreq)
return;
}
smb2_connect_enc_start(req);
}
static void smb2_connect_enc_start(struct tevent_req *req)
{
struct smb2_connect_state *state =
tevent_req_data(req,
struct smb2_connect_state);
enum smb_encryption_setting encryption_state =
cli_credentials_get_smb_encryption(state->credentials);
NTSTATUS status;
if (encryption_state < SMB_ENCRYPTION_DESIRED) {
smb2_connect_tcon_start(req);
return;
}
status = smb2cli_session_encryption_on(state->session->smbXcli);
if (!NT_STATUS_IS_OK(status)) {
if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_SUPPORTED)) {
if (encryption_state < SMB_ENCRYPTION_REQUIRED) {
smb2_connect_tcon_start(req);
return;
}
DBG_ERR("Encryption required and server doesn't support "
"SMB3 encryption - failing connect\n");
tevent_req_nterror(req, status);
return;
}
DBG_ERR("Encryption required and setup failed with error %s.\n",
nt_errstr(status));
tevent_req_nterror(req, NT_STATUS_PROTOCOL_NOT_SUPPORTED);
return;
}
smb2_connect_tcon_start(req);
}