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-rw-r--r--libcli/smb/smbXcli_base.c97
-rw-r--r--libcli/smb/smbXcli_base.h8
2 files changed, 105 insertions, 0 deletions
diff --git a/libcli/smb/smbXcli_base.c b/libcli/smb/smbXcli_base.c
index 6a2547050e..ba40ef7bf1 100644
--- a/libcli/smb/smbXcli_base.c
+++ b/libcli/smb/smbXcli_base.c
@@ -424,6 +424,103 @@ const struct GUID *smbXcli_conn_server_guid(struct smbXcli_conn *conn)
return &conn->smb1.server.guid;
}
+struct smbXcli_conn_samba_suicide_state {
+ struct smbXcli_conn *conn;
+ struct iovec iov;
+ uint8_t buf[9];
+};
+
+static void smbXcli_conn_samba_suicide_done(struct tevent_req *subreq);
+
+struct tevent_req *smbXcli_conn_samba_suicide_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct smbXcli_conn *conn,
+ uint8_t exitcode)
+{
+ struct tevent_req *req, *subreq;
+ struct smbXcli_conn_samba_suicide_state *state;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct smbXcli_conn_samba_suicide_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->conn = conn;
+ SIVAL(state->buf, 4, 0x74697865);
+ SCVAL(state->buf, 8, exitcode);
+ _smb_setlen_nbt(state->buf, sizeof(state->buf)-4);
+
+ state->iov.iov_base = state->buf;
+ state->iov.iov_len = sizeof(state->buf);
+
+ subreq = writev_send(state, ev, conn->outgoing, conn->write_fd,
+ false, &state->iov, 1);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, smbXcli_conn_samba_suicide_done, req);
+ return req;
+}
+
+static void smbXcli_conn_samba_suicide_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct smbXcli_conn_samba_suicide_state *state = tevent_req_data(
+ req, struct smbXcli_conn_samba_suicide_state);
+ ssize_t nwritten;
+ int err;
+
+ nwritten = writev_recv(subreq, &err);
+ TALLOC_FREE(subreq);
+ if (nwritten == -1) {
+ NTSTATUS status = map_nt_error_from_unix_common(err);
+ smbXcli_conn_disconnect(state->conn, status);
+ return;
+ }
+ tevent_req_done(req);
+}
+
+NTSTATUS smbXcli_conn_samba_suicide_recv(struct tevent_req *req)
+{
+ return tevent_req_simple_recv_ntstatus(req);
+}
+
+NTSTATUS smbXcli_conn_samba_suicide(struct smbXcli_conn *conn,
+ uint8_t exitcode)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct tevent_context *ev;
+ struct tevent_req *req;
+ NTSTATUS status = NT_STATUS_NO_MEMORY;
+ bool ok;
+
+ if (smbXcli_conn_has_async_calls(conn)) {
+ /*
+ * Can't use sync call while an async call is in flight
+ */
+ status = NT_STATUS_INVALID_PARAMETER_MIX;
+ goto fail;
+ }
+ ev = tevent_context_init(frame);
+ if (ev == NULL) {
+ goto fail;
+ }
+ req = smbXcli_conn_samba_suicide_send(frame, ev, conn, exitcode);
+ if (req == NULL) {
+ goto fail;
+ }
+ ok = tevent_req_poll(req, ev);
+ if (!ok) {
+ status = map_nt_error_from_unix_common(errno);
+ goto fail;
+ }
+ status = smbXcli_conn_samba_suicide_recv(req);
+ fail:
+ TALLOC_FREE(frame);
+ return status;
+}
+
uint32_t smb1cli_conn_capabilities(struct smbXcli_conn *conn)
{
return conn->smb1.capabilities;
diff --git a/libcli/smb/smbXcli_base.h b/libcli/smb/smbXcli_base.h
index 0eaf797936..a2b64b1e6f 100644
--- a/libcli/smb/smbXcli_base.h
+++ b/libcli/smb/smbXcli_base.h
@@ -51,6 +51,14 @@ NTTIME smbXcli_conn_server_system_time(struct smbXcli_conn *conn);
const DATA_BLOB *smbXcli_conn_server_gss_blob(struct smbXcli_conn *conn);
const struct GUID *smbXcli_conn_server_guid(struct smbXcli_conn *conn);
+struct tevent_req *smbXcli_conn_samba_suicide_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct smbXcli_conn *conn,
+ uint8_t exitcode);
+NTSTATUS smbXcli_conn_samba_suicide_recv(struct tevent_req *req);
+NTSTATUS smbXcli_conn_samba_suicide(struct smbXcli_conn *conn,
+ uint8_t exitcode);
+
void smbXcli_req_unset_pending(struct tevent_req *req);
bool smbXcli_req_set_pending(struct tevent_req *req);