From ec61298c82f5164af6d5fc99b92e570720666982 Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Tue, 7 Jun 2016 03:28:28 -0400 Subject: ./move.sh --- src/libshared/spawn-ask-password-agent.c | 62 ++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 src/libshared/spawn-ask-password-agent.c (limited to 'src/libshared/spawn-ask-password-agent.c') diff --git a/src/libshared/spawn-ask-password-agent.c b/src/libshared/spawn-ask-password-agent.c new file mode 100644 index 0000000000..a46b7525f0 --- /dev/null +++ b/src/libshared/spawn-ask-password-agent.c @@ -0,0 +1,62 @@ +/*** + This file is part of systemd. + + Copyright 2011 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see . +***/ + +#include +#include +#include + +#include "log.h" +#include "process-util.h" +#include "spawn-ask-password-agent.h" +#include "util.h" + +static pid_t agent_pid = 0; + +int ask_password_agent_open(void) { + int r; + + if (agent_pid > 0) + return 0; + + /* We check STDIN here, not STDOUT, since this is about input, + * not output */ + if (!isatty(STDIN_FILENO)) + return 0; + + r = fork_agent(&agent_pid, + NULL, 0, + SYSTEMD_TTY_ASK_PASSWORD_AGENT_BINARY_PATH, + SYSTEMD_TTY_ASK_PASSWORD_AGENT_BINARY_PATH, "--watch", NULL); + if (r < 0) + return log_error_errno(r, "Failed to fork TTY ask password agent: %m"); + + return 1; +} + +void ask_password_agent_close(void) { + + if (agent_pid <= 0) + return; + + /* Inform agent that we are done */ + (void) kill(agent_pid, SIGTERM); + (void) kill(agent_pid, SIGCONT); + (void) wait_for_terminate(agent_pid, NULL); + agent_pid = 0; +} -- cgit v1.2.3-54-g00ecf