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systemctl: introduce a single function to set the wall message

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Let's not have the same code three times, but reduce it to one function.
This commit is contained in:
Lennart Poettering 2015-09-24 11:51:51 +02:00
parent b9e74c3994
commit f2d11d35e9
1 changed files with 35 additions and 75 deletions
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110
src/systemctl/systemctl.c
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@ -2760,6 +2760,37 @@ static int start_unit(sd_bus *bus, char **args) {
return r; return r;
} }
static int set_wall_message(sd_bus *bus) {
#ifdef HAVE_LOGIND
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_free_ char *m = NULL;
int r;
assert(bus);
m = strv_join(arg_wall, " ");
if (!m)
return log_oom();
r = sd_bus_call_method(
bus,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"SetWallMessage",
&error,
NULL,
"sb",
m,
!arg_no_wall);
if (r < 0)
return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
#endif
return 0;
}
/* Ask systemd-logind, which might grant access to unprivileged users /* Ask systemd-logind, which might grant access to unprivileged users
* through PolicyKit */ * through PolicyKit */
static int reboot_with_logind(sd_bus *bus, enum action a) { static int reboot_with_logind(sd_bus *bus, enum action a) {
@ -2773,6 +2804,8 @@ static int reboot_with_logind(sd_bus *bus, enum action a) {
polkit_agent_open_if_enabled(); polkit_agent_open_if_enabled();
(void) set_wall_message(bus);
switch (a) { switch (a) {
case ACTION_REBOOT: case ACTION_REBOOT:
@ -2804,33 +2837,6 @@ static int reboot_with_logind(sd_bus *bus, enum action a) {
return -EINVAL; return -EINVAL;
} }
if (!strv_isempty(arg_wall)) {
_cleanup_free_ char *m;
m = strv_join(arg_wall, " ");
if (!m)
return log_oom();
r = sd_bus_call_method(
bus,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"SetWallMessage",
&error,
NULL,
"sb",
m,
!arg_no_wall);
if (r < 0) {
log_warning_errno(r, "Failed to set wall message, ignoring: %s",
bus_error_message(&error, r));
sd_bus_error_free(&error);
}
}
r = sd_bus_call_method( r = sd_bus_call_method(
bus, bus,
"org.freedesktop.login1", "org.freedesktop.login1",
@ -7455,7 +7461,6 @@ static int halt_main(sd_bus *bus) {
if (arg_when > 0) { if (arg_when > 0) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_flush_close_unref_ sd_bus *b = NULL; _cleanup_bus_flush_close_unref_ sd_bus *b = NULL;
_cleanup_free_ char *m = NULL;
const char *action; const char *action;
assert(geteuid() == 0); assert(geteuid() == 0);
@ -7469,27 +7474,7 @@ static int halt_main(sd_bus *bus) {
if (r < 0) if (r < 0)
return log_error_errno(r, "Unable to open system bus: %m"); return log_error_errno(r, "Unable to open system bus: %m");
m = strv_join(arg_wall, " "); (void) set_wall_message(b);
if (!m)
return log_oom();
r = sd_bus_call_method(
b,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"SetWallMessage",
&error,
NULL,
"sb",
m,
!arg_no_wall);
if (r < 0) {
log_warning_errno(r, "Failed to set wall message, ignoring: %s",
bus_error_message(&error, r));
sd_bus_error_free(&error);
}
switch (arg_action) { switch (arg_action) {
case ACTION_HALT: case ACTION_HALT:
@ -7642,7 +7627,6 @@ int main(int argc, char*argv[]) {
case ACTION_CANCEL_SHUTDOWN: { case ACTION_CANCEL_SHUTDOWN: {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_flush_close_unref_ sd_bus *b = NULL; _cleanup_bus_flush_close_unref_ sd_bus *b = NULL;
_cleanup_free_ char *m = NULL;
if (avoid_bus()) { if (avoid_bus()) {
log_error("Unable to perform operation without bus connection."); log_error("Unable to perform operation without bus connection.");
@ -7653,31 +7637,7 @@ int main(int argc, char*argv[]) {
if (r < 0) if (r < 0)
return log_error_errno(r, "Unable to open system bus: %m"); return log_error_errno(r, "Unable to open system bus: %m");
if (arg_wall) { (void) set_wall_message(b);
m = strv_join(arg_wall, " ");
if (!m) {
r = log_oom();
goto finish;
}
}
r = sd_bus_call_method(
b,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"SetWallMessage",
&error,
NULL,
"sb",
m,
!arg_no_wall);
if (r < 0) {
log_warning_errno(r, "Failed to set wall message, ignoring: %s",
bus_error_message(&error, r));
sd_bus_error_free(&error);
}
r = sd_bus_call_method( r = sd_bus_call_method(
b, b,