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qrexec: better handle remote process termination

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If remote end terminates without proper protocol finish
(MSG_DATA_EXIT_CODE), terminate also local part instead of waiting
indefinitely.
This commit is contained in:
Marek Marczykowski-Górecki 2015-03-16 21:37:59 +01:00
parent 4eb1d72aee
commit 23fc3599e8
1 changed files with 9 additions and 0 deletions
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9
qrexec/qrexec-agent-data.c
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@ -296,12 +296,21 @@ int process_child_io(libvchan_t *data_vchan,
/* if all done, exit the loop */
if ((!child_process_pid || child_process_status > -1) &&
(child_process_pid || remote_process_status > -1) &&
stdin_fd == -1 && stdout_fd == -1 && stderr_fd == -1) {
if (child_process_status > -1) {
send_exit_code(data_vchan, child_process_status);
}
break;
}
/* also if vchan is disconnected (and we processed all the data), there
* is no sense of processing further data */
if (!libvchan_data_ready(data_vchan) && !libvchan_is_open(data_vchan)) {
if (child_process_pid)
return remote_process_status;
else
return child_process_status;
}
/* child signaled desire to use single socket for both stdin and stdout */
if (stdio_socket_requested) {
if (stdout_fd != -1)