From 2cb7e0aaedad73b076ea18c6900b0e86c5760d79 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 15:00:47 +0200 Subject: Adding upstream version 247.3. Signed-off-by: Daniel Baumann --- src/shared/spawn-ask-password-agent.c | 61 +++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 src/shared/spawn-ask-password-agent.c (limited to 'src/shared/spawn-ask-password-agent.c') diff --git a/src/shared/spawn-ask-password-agent.c b/src/shared/spawn-ask-password-agent.c new file mode 100644 index 0000000..1f07b19 --- /dev/null +++ b/src/shared/spawn-ask-password-agent.c @@ -0,0 +1,61 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#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; + + if (!is_main_thread()) + return -EPERM; + + r = fork_agent("(sd-askpwagent)", + NULL, 0, + &agent_pid, + 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_and_sigcont(agent_pid, SIGTERM); + (void) wait_for_terminate(agent_pid, NULL); + agent_pid = 0; +} + +int ask_password_agent_open_if_enabled(BusTransport transport, bool ask_password) { + + /* Open the ask password agent as a child process if necessary */ + + if (transport != BUS_TRANSPORT_LOCAL) + return 0; + + if (!ask_password) + return 0; + + return ask_password_agent_open(); +} -- cgit v1.2.3