diff options
| author | Roland Dreier <roland@purestorage.com> | 2012-11-05 18:02:42 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-17 08:45:57 -0800 |
| commit | 15c53de53001f0c03b884c3c7d120ba3155bf9ac (patch) | |
| tree | 34a9091817a1b5dfbb2accea7e6bdbb56998bb22 /drivers/target | |
| parent | b81446dc304c2ee93fe15c8b87dc56c0ebad89d5 (diff) | |
iscsi-target: Always send a response before terminating iSCSI connection
commit 1c5c12c666fda27c7c494b34934a0a0631a48130 upstream.
There are some cases, for example when the initiator sends an
out-of-bounds ErrorRecoveryLevel value, where the iSCSI target
terminates the connection without sending back any error. Audit the
login path and add appropriate iscsit_tx_login_rsp() calls to make
sure this doesn't happen.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/iscsi/iscsi_target_login.c | 8 | ||||
| -rw-r--r-- | drivers/target/iscsi/iscsi_target_nego.c | 10 |
2 files changed, 12 insertions, 6 deletions
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index f8dbec05d5e..10b40bb8f53 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -127,13 +127,13 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn) initiatorname_param = iscsi_find_param_from_key( INITIATORNAME, conn->param_list); - if (!initiatorname_param) - return -1; - sessiontype_param = iscsi_find_param_from_key( SESSIONTYPE, conn->param_list); - if (!sessiontype_param) + if (!initiatorname_param || !sessiontype_param) { + iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_INITIATOR_ERR, + ISCSI_LOGIN_STATUS_MISSING_FIELDS); return -1; + } sessiontype = (strncmp(sessiontype_param->value, NORMAL, 6)) ? 1 : 0; diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index e9053a04f24..9d902aefe01 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -620,8 +620,11 @@ static int iscsi_target_handle_csg_one(struct iscsi_conn *conn, struct iscsi_log login->req_buf, payload_length, conn); - if (ret < 0) + if (ret < 0) { + iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_INITIATOR_ERR, + ISCSI_LOGIN_STATUS_INIT_ERR); return -1; + } if (login->first_request) if (iscsi_target_check_first_request(conn, login) < 0) @@ -636,8 +639,11 @@ static int iscsi_target_handle_csg_one(struct iscsi_conn *conn, struct iscsi_log login->rsp_buf, &login->rsp_length, conn->param_list); - if (ret < 0) + if (ret < 0) { + iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_INITIATOR_ERR, + ISCSI_LOGIN_STATUS_INIT_ERR); return -1; + } if (!login->auth_complete && ISCSI_TPG_ATTRIB(ISCSI_TPG_C(conn))->authentication) { |