along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <sys/socket.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <getopt.h>
#include <pwd.h>
#include <locale.h>
-#include <socket.h>
#include <fcntl.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
#include "sd-bus.h"
#include "log.h"
static bool arg_all = false;
static bool arg_full = false;
static bool arg_no_pager = false;
+static bool arg_legend = true;
static const char *arg_kill_who = NULL;
static int arg_signal = SIGTERM;
-static bool arg_ask_password = true;
static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
static char *arg_host = NULL;
return r;
}
- if (on_tty())
+ if (arg_legend)
printf("%-32s %-9s %-16s\n", "MACHINE", "CONTAINER", "SERVICE");
r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssso)");
if (r < 0)
- goto fail;
+ return bus_log_parse_error(r);
while ((r = sd_bus_message_read(reply, "(ssso)", &name, &class, &service, &object)) > 0) {
printf("%-32s %-9s %-16s\n", name, class, service);
k++;
}
if (r < 0)
- goto fail;
+ return bus_log_parse_error(r);
r = sd_bus_message_exit_container(reply);
if (r < 0)
- goto fail;
+ return bus_log_parse_error(r);
- if (on_tty())
+ if (arg_legend)
printf("\n%u machines listed.\n", k);
return 0;
-
-fail:
- log_error("Failed to parse reply: %s", strerror(-r));
- return r;
}
-static int show_scope_cgroup(sd_bus *bus, const char *unit, pid_t leader) {
+static int show_unit_cgroup(sd_bus *bus, const char *unit, pid_t leader) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_free_ char *path = NULL;
bus,
"org.freedesktop.systemd1",
path,
- "org.freedesktop.systemd1.Scope",
+ endswith(unit, ".scope") ? "org.freedesktop.systemd1.Scope" : "org.freedesktop.systemd1.Service",
"ControlGroup",
&error,
&reply,
}
r = sd_bus_message_read(reply, "s", &cgroup);
- if (r < 0) {
- log_error("Failed to parse reply: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return bus_log_parse_error(r);
if (isempty(cgroup))
return 0;
return 0;
}
+static int print_addresses(sd_bus *bus, const char *name, const char *prefix, const char *prefix2) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ int r;
+
+ assert(bus);
+ assert(name);
+ assert(prefix);
+ assert(prefix2);
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.machine1",
+ "/org/freedesktop/machine1",
+ "org.freedesktop.machine1.Manager",
+ "GetMachineAddresses",
+ NULL,
+ &reply,
+ "s", name);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_enter_container(reply, 'a', "(yay)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_enter_container(reply, 'r', "yay")) > 0) {
+ unsigned char family;
+ const void *a;
+ size_t sz;
+ char buffer[MAX(INET6_ADDRSTRLEN, INET_ADDRSTRLEN)];
+
+ r = sd_bus_message_read(reply, "y", &family);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_read_array(reply, 'y', &a, &sz);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ printf("%s%s\n", prefix, inet_ntop(family, a, buffer, sizeof(buffer)));
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (prefix != prefix2)
+ prefix = prefix2;
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+}
+
typedef struct MachineStatusInfo {
char *name;
sd_id128_t id;
char *class;
char *service;
- char *scope;
+ char *unit;
char *root_directory;
pid_t leader;
usec_t timestamp;
if (i->root_directory)
printf("\t Root: %s\n", i->root_directory);
- if (i->scope) {
- printf("\t Unit: %s\n", i->scope);
- show_scope_cgroup(bus, i->scope, i->leader);
+ print_addresses(bus, i->name,
+ "\t Address: ",
+ "\t ");
+
+ if (i->unit) {
+ printf("\t Unit: %s\n", i->unit);
+ show_unit_cgroup(bus, i->unit, i->leader);
}
}
static int show_info(const char *verb, sd_bus *bus, const char *path, bool *new_line) {
- MachineStatusInfo info = {};
+
static const struct bus_properties_map map[] = {
{ "Name", "s", NULL, offsetof(MachineStatusInfo, name) },
{ "Class", "s", NULL, offsetof(MachineStatusInfo, class) },
{ "Service", "s", NULL, offsetof(MachineStatusInfo, service) },
- { "Scope", "s", NULL, offsetof(MachineStatusInfo, scope) },
+ { "Unit", "s", NULL, offsetof(MachineStatusInfo, unit) },
{ "RootDirectory", "s", NULL, offsetof(MachineStatusInfo, root_directory) },
{ "Leader", "u", NULL, offsetof(MachineStatusInfo, leader) },
{ "Timestamp", "t", NULL, offsetof(MachineStatusInfo, timestamp) },
{ "Id", "ay", bus_map_id128, offsetof(MachineStatusInfo, id) },
{}
};
+
+ MachineStatusInfo info = {};
int r;
assert(path);
free(info.name);
free(info.class);
free(info.service);
- free(info.scope);
+ free(info.unit);
free(info.root_directory);
return r;
*new_line = true;
- r = bus_print_all_properties(bus, path, arg_property, arg_all);
+ r = bus_print_all_properties(bus, "org.freedesktop.machine1", path, arg_property, arg_all);
if (r < 0)
log_error("Could not get properties: %s", strerror(-r));
/* If no argument is specified, inspect the manager
* itself */
r = show_properties(bus, "/org/freedesktop/machine1", &new_line);
- if (r < 0) {
- log_error("Failed to query properties: %s", strerror(-r));
+ if (r < 0)
return r;
- }
}
for (i = 1; i < n; i++) {
}
r = sd_bus_message_read(reply, "o", &path);
- if (r < 0) {
- log_error("Failed to parse reply: %s", strerror(-r));
- break;
- }
+ if (r < 0)
+ return bus_log_parse_error(r);
if (properties)
r = show_properties(bus, path, &new_line);
return 0;
}
+static int reboot_machine(sd_bus *bus, char **args, unsigned n) {
+ arg_kill_who = "leader";
+ arg_signal = SIGINT; /* sysvinit + systemd */
+
+ return kill_machine(bus, args, n);
+}
+
+static int poweroff_machine(sd_bus *bus, char **args, unsigned n) {
+ arg_kill_who = "leader";
+ arg_signal = SIGRTMIN+4; /* only systemd */
+
+ return kill_machine(bus, args, n);
+}
+
static int terminate_machine(sd_bus *bus, char **args, unsigned n) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
unsigned i;
}
static int openpt_in_namespace(pid_t pid, int flags) {
- _cleanup_close_ int nsfd = -1, rootfd = -1;
- _cleanup_free_ char *ns = NULL, *root = NULL;
- _cleanup_close_pipe_ int sock[2] = { -1, -1 };
- struct msghdr mh;
+ _cleanup_close_pair_ int pair[2] = { -1, -1 };
+ _cleanup_close_ int pidnsfd = -1, mntnsfd = -1, rootfd = -1;
union {
struct cmsghdr cmsghdr;
uint8_t buf[CMSG_SPACE(sizeof(int))];
- } control;
+ } control = {};
+ struct msghdr mh = {
+ .msg_control = &control,
+ .msg_controllen = sizeof(control),
+ };
struct cmsghdr *cmsg;
int master = -1, r;
pid_t child;
siginfo_t si;
- r = asprintf(&ns, "/proc/%lu/ns/mnt", (unsigned long) pid);
- if (r < 0)
- return -ENOMEM;
-
- nsfd = open(ns, O_RDONLY|O_NOCTTY|O_CLOEXEC);
- if (nsfd < 0)
- return -errno;
-
- r = asprintf(&root, "/proc/%lu/root", (unsigned long) pid);
+ r = namespace_open(pid, &pidnsfd, &mntnsfd, NULL, &rootfd);
if (r < 0)
- return -ENOMEM;
-
- rootfd = open(root, O_RDONLY|O_NOCTTY|O_CLOEXEC|O_DIRECTORY);
- if (rootfd < 0)
- return -errno;
+ return r;
- if (socketpair(AF_UNIX, SOCK_DGRAM, 0, sock) < 0)
+ if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0)
return -errno;
- zero(control);
- zero(mh);
- mh.msg_control = &control;
- mh.msg_controllen = sizeof(control);
-
child = fork();
if (child < 0)
return -errno;
if (child == 0) {
- close_nointr_nofail(sock[0]);
- sock[0] = -1;
+ pair[0] = safe_close(pair[0]);
- r = setns(nsfd, CLONE_NEWNS);
+ r = namespace_enter(pidnsfd, mntnsfd, -1, rootfd);
if (r < 0)
_exit(EXIT_FAILURE);
- if (fchdir(rootfd) < 0)
- _exit(EXIT_FAILURE);
-
- if (chroot(".") < 0)
- _exit(EXIT_FAILURE);
-
master = posix_openpt(flags);
if (master < 0)
_exit(EXIT_FAILURE);
mh.msg_controllen = cmsg->cmsg_len;
- r = sendmsg(sock[1], &mh, MSG_NOSIGNAL);
- close_nointr_nofail(master);
- if (r < 0)
+ if (sendmsg(pair[1], &mh, MSG_NOSIGNAL) < 0)
_exit(EXIT_FAILURE);
_exit(EXIT_SUCCESS);
}
- close_nointr_nofail(sock[1]);
- sock[1] = -1;
+ pair[1] = safe_close(pair[1]);
+
+ r = wait_for_terminate(child, &si);
+ if (r < 0)
+ return r;
+ if (si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS)
+ return -EIO;
- if (recvmsg(sock[0], &mh, MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) < 0)
+ if (recvmsg(pair[0], &mh, MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) < 0)
return -errno;
for (cmsg = CMSG_FIRSTHDR(&mh); cmsg; cmsg = CMSG_NXTHDR(&mh, cmsg))
master = fds[0];
}
- r = wait_for_terminate(child, &si);
- if (r < 0 || si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS || master < 0) {
-
- if (master >= 0)
- close_nointr_nofail(master);
-
- return r < 0 ? r : -EIO;
- }
+ if (master < 0)
+ return -EIO;
return master;
}
assert(args);
if (arg_transport != BUS_TRANSPORT_LOCAL) {
- log_error("Login only support on local machines.");
+ log_error("Login only supported on local machines.");
return -ENOTSUP;
}
}
r = sd_bus_message_read(reply, "o", &path);
- if (r < 0) {
- log_error("Failed to parse reply: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return bus_log_parse_error(r);
r = sd_bus_get_property(
bus,
}
r = sd_bus_message_read(reply2, "u", &leader);
- if (r < 0) {
- log_error("Failed to parse reply: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return bus_log_parse_error(r);
master = openpt_in_namespace(leader, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NDELAY);
if (master < 0) {
return -EIO;
}
- r = sd_bus_open_system_container(args[1], &container_bus);
+ r = sd_bus_open_system_container(&container_bus, args[1]);
if (r < 0) {
log_error("Failed to get container bus: %s", strerror(-r));
return r;
return r;
}
+ container_bus = sd_bus_unref(container_bus);
+
assert_se(sigemptyset(&mask) == 0);
sigset_add_many(&mask, SIGWINCH, SIGTERM, SIGINT, -1);
assert_se(sigprocmask(SIG_BLOCK, &mask, NULL) == 0);
" -h --help Show this help\n"
" --version Show package version\n"
" --no-pager Do not pipe output into a pager\n"
- " --no-ask-password Don't prompt for password\n"
+ " --no-legend Do not show the headers and footers\n"
" -H --host=[USER@]HOST Operate on remote host\n"
" -M --machine=CONTAINER Operate on local container\n"
" -p --property=NAME Show only properties by this name\n"
" -s --signal=SIGNAL Which signal to send\n\n"
"Commands:\n"
" list List running VMs and containers\n"
- " status [NAME...] Show VM/container status\n"
- " show [NAME...] Show properties of one or more VMs/containers\n"
- " terminate [NAME...] Terminate one or more VMs/containers\n"
- " kill [NAME...] Send signal to processes of a VM/container\n"
- " login [NAME] Get a login prompt on a container\n",
+ " status NAME... Show VM/container status\n"
+ " show NAME... Show properties of one or more VMs/containers\n"
+ " login NAME Get a login prompt on a container\n"
+ " poweroff NAME... Power off one or more containers\n"
+ " reboot NAME... Reboot one or more containers\n"
+ " kill NAME... Send signal to processes of a VM/container\n"
+ " terminate NAME... Terminate one or more VMs/containers\n",
program_invocation_short_name);
return 0;
enum {
ARG_VERSION = 0x100,
ARG_NO_PAGER,
+ ARG_NO_LEGEND,
ARG_KILL_WHO,
- ARG_NO_ASK_PASSWORD,
};
static const struct option options[] = {
{ "all", no_argument, NULL, 'a' },
{ "full", no_argument, NULL, 'l' },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
{ "kill-who", required_argument, NULL, ARG_KILL_WHO },
{ "signal", required_argument, NULL, 's' },
{ "host", required_argument, NULL, 'H' },
{ "machine", required_argument, NULL, 'M' },
- { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
- { NULL, 0, NULL, 0 }
+ {}
};
int c, r;
switch (c) {
case 'h':
- help();
- return 0;
+ return help();
case ARG_VERSION:
puts(PACKAGE_STRING);
arg_no_pager = true;
break;
- case ARG_NO_ASK_PASSWORD:
- arg_ask_password = false;
+ case ARG_NO_LEGEND:
+ arg_legend = false;
break;
case ARG_KILL_WHO:
return -EINVAL;
default:
- log_error("Unknown option code %c", c);
- return -EINVAL;
+ assert_not_reached("Unhandled option");
}
}
{ "status", MORE, 2, show },
{ "show", MORE, 1, show },
{ "terminate", MORE, 2, terminate_machine },
+ { "reboot", MORE, 2, reboot_machine },
+ { "poweroff", MORE, 2, poweroff_machine },
{ "kill", MORE, 2, kill_machine },
{ "login", MORE, 2, login_machine },
};
left = argc - optind;
if (left <= 0)
- /* Special rule: no arguments means "list-sessions" */
+ /* Special rule: no arguments means "list" */
i = 0;
else {
if (streq(argv[optind], "help")) {
}
int main(int argc, char*argv[]) {
- int r, ret = EXIT_FAILURE;
_cleanup_bus_unref_ sd_bus *bus = NULL;
+ int r;
setlocale(LC_ALL, "");
log_parse_environment();
log_open();
r = parse_argv(argc, argv);
- if (r < 0)
- goto finish;
- else if (r == 0) {
- ret = EXIT_SUCCESS;
+ if (r <= 0)
goto finish;
- }
r = bus_open_transport(arg_transport, arg_host, false, &bus);
if (r < 0) {
log_error("Failed to create bus connection: %s", strerror(-r));
- ret = EXIT_FAILURE;
goto finish;
}
r = machinectl_main(bus, argc, argv);
- ret = r < 0 ? EXIT_FAILURE : r;
finish:
- strv_free(arg_property);
-
pager_close();
- return ret;
+ strv_free(arg_property);
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
~ianmdlvl / elogind.git / blobdiff