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-rw-r--r--src/hostname/hostnamectl.c356
1 files changed, 97 insertions, 259 deletions
diff --git a/src/hostname/hostnamectl.c b/src/hostname/hostnamectl.c
index c6d72b5417..7591d99988 100644
--- a/src/hostname/hostnamectl.c
+++ b/src/hostname/hostnamectl.c
@@ -28,7 +28,10 @@
#include <sys/timex.h>
#include <sys/utsname.h>
-#include "dbus-common.h"
+#include "sd-bus.h"
+
+#include "bus-util.h"
+#include "bus-error.h"
#include "util.h"
#include "spawn-polkit-agent.h"
#include "build.h"
@@ -38,34 +41,19 @@
#include "virt.h"
#include "fileio.h"
-static enum transport {
- TRANSPORT_NORMAL,
- TRANSPORT_SSH,
- TRANSPORT_POLKIT
-} arg_transport = TRANSPORT_NORMAL;
static bool arg_ask_password = true;
+static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
static char *arg_host = NULL;
-static char *arg_user = NULL;
static bool arg_transient = false;
static bool arg_pretty = false;
static bool arg_static = false;
-static void polkit_agent_open_if_enabled(void) {
-
- /* Open the polkit agent as a child process if necessary */
-
- if (!arg_ask_password)
- return;
-
- polkit_agent_open();
-}
-
typedef struct StatusInfo {
- const char *hostname;
- const char *static_hostname;
- const char *pretty_hostname;
- const char *icon_name;
- const char *chassis;
+ char *hostname;
+ char *static_hostname;
+ char *pretty_hostname;
+ char *icon_name;
+ char *chassis;
} StatusInfo;
static void print_status_info(StatusInfo *i) {
@@ -125,139 +113,64 @@ static void print_status_info(StatusInfo *i) {
}
-static int status_property(const char *name, DBusMessageIter *iter, StatusInfo *i) {
- assert(name);
- assert(iter);
-
- switch (dbus_message_iter_get_arg_type(iter)) {
-
- case DBUS_TYPE_STRING: {
- const char *s;
-
- dbus_message_iter_get_basic(iter, &s);
- if (!isempty(s)) {
- if (streq(name, "Hostname"))
- i->hostname = s;
- if (streq(name, "StaticHostname"))
- i->static_hostname = s;
- if (streq(name, "PrettyHostname"))
- i->pretty_hostname = s;
- if (streq(name, "IconName"))
- i->icon_name = s;
- if (streq(name, "Chassis"))
- i->chassis = s;
- }
- break;
- }
- }
-
- return 0;
-}
-
-static int show_one_name(DBusConnection *bus, const char* attr) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- const char *interface = "org.freedesktop.hostname1", *s;
- DBusMessageIter iter, sub;
+static int show_one_name(sd_bus *bus, const char* attr) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *s;
int r;
- r = bus_method_call_with_reply(
+ r = sd_bus_get_property(
bus,
"org.freedesktop.hostname1",
"/org/freedesktop/hostname1",
- "org.freedesktop.DBus.Properties",
- "Get",
- &reply,
- NULL,
- DBUS_TYPE_STRING, &interface,
- DBUS_TYPE_STRING, &attr,
- DBUS_TYPE_INVALID);
- if (r < 0)
+ "org.freedesktop.hostname1",
+ attr,
+ &error, &reply, "s");
+ if (r < 0) {
+ log_error("Could not get property: %s", bus_error_message(&error, -r));
return r;
-
- if (!dbus_message_iter_init(reply, &iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
- log_error("Failed to parse reply.");
- return -EIO;
}
- dbus_message_iter_recurse(&iter, &sub);
-
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
- log_error("Failed to parse reply.");
- return -EIO;
- }
+ r = sd_bus_message_read(reply, "s", &s);
+ if (r < 0)
+ return r;
- dbus_message_iter_get_basic(&sub, &s);
printf("%s\n", s);
return 0;
}
-static int show_all_names(DBusConnection *bus) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- const char *interface = "";
- int r;
- DBusMessageIter iter, sub, sub2, sub3;
+static int show_all_names(sd_bus *bus) {
StatusInfo info = {};
+ const struct bus_properties_map map[] = {
+ { "s", "Hostname", &info.hostname },
+ { "s", "StaticHostname", &info.static_hostname },
+ { "s", "PrettyHostname", &info.pretty_hostname },
+ { "s", "IconName", &info.icon_name },
+ { "s", "Chassis", &info.chassis },
+ {}
+ };
+ int r;
- r = bus_method_call_with_reply(
- bus,
- "org.freedesktop.hostname1",
- "/org/freedesktop/hostname1",
- "org.freedesktop.DBus.Properties",
- "GetAll",
- &reply,
- NULL,
- DBUS_TYPE_STRING, &interface,
- DBUS_TYPE_INVALID);
+ r = bus_map_all_properties(bus,
+ "org.freedesktop.hostname1",
+ "/org/freedesktop/hostname1",
+ map);
if (r < 0)
- return r;
-
- if (!dbus_message_iter_init(reply, &iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
- dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
- log_error("Failed to parse reply.");
- return -EIO;
- }
-
- dbus_message_iter_recurse(&iter, &sub);
-
- while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
- const char *name;
-
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
- log_error("Failed to parse reply.");
- return -EIO;
- }
-
- dbus_message_iter_recurse(&sub, &sub2);
-
- if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0) {
- log_error("Failed to parse reply.");
- return -EIO;
- }
-
- if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
- log_error("Failed to parse reply.");
- return -EIO;
- }
-
- dbus_message_iter_recurse(&sub2, &sub3);
-
- r = status_property(name, &sub3, &info);
- if (r < 0) {
- log_error("Failed to parse reply.");
- return r;
- }
-
- dbus_message_iter_next(&sub);
- }
+ goto fail;
print_status_info(&info);
+
+fail:
+ free(info.hostname);
+ free(info.static_hostname);
+ free(info.pretty_hostname);
+ free(info.icon_name);
+ free(info.chassis);
return 0;
}
-static int show_status(DBusConnection *bus, char **args, unsigned n) {
+static int show_status(sd_bus *bus, char **args, unsigned n) {
assert(args);
if (arg_pretty || arg_static || arg_transient) {
@@ -276,9 +189,29 @@ static int show_status(DBusConnection *bus, char **args, unsigned n) {
return show_all_names(bus);
}
-static int set_hostname(DBusConnection *bus, char **args, unsigned n) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- dbus_bool_t interactive = arg_ask_password;
+static int set_simple_string(sd_bus *bus, const char *method, const char *value) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ static bool first=true;
+ int r = 0;
+
+ if (first && arg_ask_password)
+ polkit_agent_open();
+ first = false;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.hostname1",
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.hostname1",
+ method,
+ &error, NULL,
+ "sb", value, arg_ask_password);
+ if (r < 0)
+ log_error("Could not set property: %s", bus_error_message(&error, -r));
+ return r;
+}
+
+static int set_hostname(sd_bus *bus, char **args, unsigned n) {
_cleanup_free_ char *h = NULL;
const char *hostname = args[1];
int r;
@@ -286,8 +219,6 @@ static int set_hostname(DBusConnection *bus, char **args, unsigned n) {
assert(args);
assert(n == 2);
- polkit_agent_open_if_enabled();
-
if (!arg_pretty && !arg_static && !arg_transient)
arg_pretty = arg_static = arg_transient = true;
@@ -313,57 +244,19 @@ static int set_hostname(DBusConnection *bus, char **args, unsigned n) {
hostname = h;
}
- r = bus_method_call_with_reply(
- bus,
- "org.freedesktop.hostname1",
- "/org/freedesktop/hostname1",
- "org.freedesktop.hostname1",
- "SetPrettyHostname",
- &reply,
- NULL,
- DBUS_TYPE_STRING, &p,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID);
+ r = set_simple_string(bus, "SetPrettyHostname", p);
if (r < 0)
return r;
-
- dbus_message_unref(reply);
- reply = NULL;
}
if (arg_static) {
- r = bus_method_call_with_reply(
- bus,
- "org.freedesktop.hostname1",
- "/org/freedesktop/hostname1",
- "org.freedesktop.hostname1",
- "SetStaticHostname",
- &reply,
- NULL,
- DBUS_TYPE_STRING, &hostname,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID);
-
+ r = set_simple_string(bus, "SetStaticHostname", hostname);
if (r < 0)
return r;
-
- dbus_message_unref(reply);
- reply = NULL;
}
if (arg_transient) {
- r = bus_method_call_with_reply(
- bus,
- "org.freedesktop.hostname1",
- "/org/freedesktop/hostname1",
- "org.freedesktop.hostname1",
- "SetHostname",
- &reply,
- NULL,
- DBUS_TYPE_STRING, &hostname,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID);
-
+ r = set_simple_string(bus, "SetHostname", hostname);
if (r < 0)
return r;
}
@@ -371,48 +264,18 @@ static int set_hostname(DBusConnection *bus, char **args, unsigned n) {
return 0;
}
-static int set_icon_name(DBusConnection *bus, char **args, unsigned n) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- dbus_bool_t interactive = arg_ask_password;
-
+static int set_icon_name(sd_bus *bus, char **args, unsigned n) {
assert(args);
assert(n == 2);
- polkit_agent_open_if_enabled();
-
- return bus_method_call_with_reply(
- bus,
- "org.freedesktop.hostname1",
- "/org/freedesktop/hostname1",
- "org.freedesktop.hostname1",
- "SetIconName",
- &reply,
- NULL,
- DBUS_TYPE_STRING, &args[1],
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID);
+ return set_simple_string(bus, "SetIconName", args[1]);
}
-static int set_chassis(DBusConnection *bus, char **args, unsigned n) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- dbus_bool_t interactive = arg_ask_password;
-
+static int set_chassis(sd_bus *bus, char **args, unsigned n) {
assert(args);
assert(n == 2);
- polkit_agent_open_if_enabled();
-
- return bus_method_call_with_reply(
- bus,
- "org.freedesktop.hostname1",
- "/org/freedesktop/hostname1",
- "org.freedesktop.hostname1",
- "SetChassis",
- &reply,
- NULL,
- DBUS_TYPE_STRING, &args[1],
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID);
+ return set_simple_string(bus, "SetChasis", args[1]);
}
static int help(void) {
@@ -424,9 +287,9 @@ static int help(void) {
" --transient Only set transient hostname\n"
" --static Only set static hostname\n"
" --pretty Only set pretty hostname\n"
- " -P --privileged Acquire privileges before execution\n"
" --no-ask-password Do not prompt for password\n"
- " -H --host=[USER@]HOST Operate on remote host\n\n"
+ " -H --host=[USER@]HOST Operate on remote host\n"
+ " -M --machine=CONTAINER Operate on local container\n\n"
"Commands:\n"
" status Show current hostname settings\n"
" set-hostname NAME Set system hostname\n"
@@ -454,7 +317,7 @@ static int parse_argv(int argc, char *argv[]) {
{ "static", no_argument, NULL, ARG_STATIC },
{ "pretty", no_argument, NULL, ARG_PRETTY },
{ "host", required_argument, NULL, 'H' },
- { "privileged", no_argument, NULL, 'P' },
+ { "machine", required_argument, NULL, 'M' },
{ "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
{ NULL, 0, NULL, 0 }
};
@@ -464,7 +327,7 @@ static int parse_argv(int argc, char *argv[]) {
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "hH:P", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "hHM:P", options, NULL)) >= 0) {
switch (c) {
@@ -477,13 +340,14 @@ static int parse_argv(int argc, char *argv[]) {
puts(SYSTEMD_FEATURES);
return 0;
- case 'P':
- arg_transport = TRANSPORT_POLKIT;
+ case 'H':
+ arg_transport = BUS_TRANSPORT_REMOTE;
+ arg_host = optarg;
break;
- case 'H':
- arg_transport = TRANSPORT_SSH;
- parse_user_at_host(optarg, &arg_user, &arg_host);
+ case 'M':
+ arg_transport = BUS_TRANSPORT_CONTAINER;
+ arg_host = optarg;
break;
case ARG_TRANSIENT:
@@ -514,7 +378,7 @@ static int parse_argv(int argc, char *argv[]) {
return 1;
}
-static int hostnamectl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
+static int hostnamectl_main(sd_bus *bus, int argc, char *argv[]) {
static const struct {
const char* verb;
@@ -524,7 +388,7 @@ static int hostnamectl_main(DBusConnection *bus, int argc, char *argv[], DBusErr
EQUAL
} argc_cmp;
const int argc;
- int (* const dispatch)(DBusConnection *bus, char **args, unsigned n);
+ int (* const dispatch)(sd_bus *bus, char **args, unsigned n);
} verbs[] = {
{ "status", LESS, 1, show_status },
{ "set-hostname", EQUAL, 2, set_hostname },
@@ -537,7 +401,6 @@ static int hostnamectl_main(DBusConnection *bus, int argc, char *argv[], DBusErr
assert(argc >= 0);
assert(argv);
- assert(error);
left = argc - optind;
@@ -590,54 +453,29 @@ static int hostnamectl_main(DBusConnection *bus, int argc, char *argv[], DBusErr
assert_not_reached("Unknown comparison operator.");
}
- if (!bus) {
- log_error("Failed to get D-Bus connection: %s", error->message);
- return -EIO;
- }
-
return verbs[i].dispatch(bus, argv + optind, left);
}
int main(int argc, char *argv[]) {
- int r, retval = EXIT_FAILURE;
- DBusConnection *bus = NULL;
- DBusError error;
-
- dbus_error_init(&error);
+ int r;
+ _cleanup_bus_unref_ sd_bus *bus = NULL;
setlocale(LC_ALL, "");
log_parse_environment();
log_open();
r = parse_argv(argc, argv);
- if (r < 0)
+ if (r <= 0)
goto finish;
- else if (r == 0) {
- retval = EXIT_SUCCESS;
+
+ r = bus_open_transport(arg_transport, arg_host, false, &bus);
+ if (r < 0) {
+ log_error("Failed to create bus connection: %s", strerror(-r));
goto finish;
}
- if (arg_transport == TRANSPORT_NORMAL)
- bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
- else if (arg_transport == TRANSPORT_POLKIT)
- bus_connect_system_polkit(&bus, &error);
- else if (arg_transport == TRANSPORT_SSH)
- bus_connect_system_ssh(NULL, arg_host, &bus, &error);
- else
- assert_not_reached("Uh, invalid transport...");
-
- r = hostnamectl_main(bus, argc, argv, &error);
- retval = r < 0 ? EXIT_FAILURE : r;
+ r = hostnamectl_main(bus, argc, argv);
finish:
- if (bus) {
- dbus_connection_flush(bus);
- dbus_connection_close(bus);
- dbus_connection_unref(bus);
- }
-
- dbus_error_free(&error);
- dbus_shutdown();
-
- return retval;
+ return r < 0 ? EXIT_FAILURE : r;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-09 21:26:22 +0000