#include <pwd.h>
#include <locale.h>
#include <fcntl.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <net/if.h>
#include "sd-bus.h"
#include "log.h"
return 0;
}
+static int print_addresses(sd_bus *bus, const char *name, int ifi, 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);
+
+ fputs(prefix, stdout);
+ fputs(inet_ntop(family, a, buffer, sizeof(buffer)), stdout);
+ if (family == AF_INET6 && ifi > 0)
+ printf("%%%i", ifi);
+ fputc('\n', stdout);
+
+ 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;
+}
+
+static int print_os_release(sd_bus *bus, const char *name, const char *prefix) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ const char *k, *v, *pretty = NULL;
+ int r;
+
+ assert(bus);
+ assert(name);
+ assert(prefix);
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.machine1",
+ "/org/freedesktop/machine1",
+ "org.freedesktop.machine1.Manager",
+ "GetMachineOSRelease",
+ NULL,
+ &reply,
+ "s", name);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_enter_container(reply, 'a', "{ss}");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(reply, "{ss}", &k, &v)) > 0) {
+ if (streq(k, "PRETTY_NAME"))
+ pretty = v;
+
+ }
+ 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);
+
+ if (pretty)
+ printf("%s%s\n", prefix, pretty);
+
+ return 0;
+}
+
typedef struct MachineStatusInfo {
char *name;
sd_id128_t id;
char *root_directory;
pid_t leader;
usec_t timestamp;
+ int *netif;
+ unsigned n_netif;
} MachineStatusInfo;
static void print_machine_status_info(sd_bus *bus, MachineStatusInfo *i) {
char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
char since2[FORMAT_TIMESTAMP_MAX], *s2;
+ int ifi = -1;
+
assert(i);
fputs(strna(i->name), stdout);
if (i->root_directory)
printf("\t Root: %s\n", i->root_directory);
+ if (i->n_netif > 0) {
+ unsigned c;
+
+ fputs("\t Iface:", stdout);
+
+ for (c = 0; c < i->n_netif; c++) {
+ char name[IF_NAMESIZE+1] = "";
+
+ if (if_indextoname(i->netif[c], name)) {
+ fputc(' ', stdout);
+ fputs(name, stdout);
+
+ if (ifi < 0)
+ ifi = i->netif[c];
+ else
+ ifi = 0;
+ } else
+ printf(" %i", i->netif[c]);
+ }
+
+ fputc('\n', stdout);
+ }
+
+ print_addresses(bus, i->name, ifi,
+ "\t Address: ",
+ "\t ");
+
+ print_os_release(bus, i->name, "\t OS: ");
+
if (i->unit) {
printf("\t Unit: %s\n", i->unit);
show_unit_cgroup(bus, i->unit, i->leader);
}
}
+static int map_netif(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ MachineStatusInfo *i = userdata;
+ size_t l;
+ const void *v;
+ int r;
+
+ assert_cc(sizeof(int32_t) == sizeof(int));
+ r = sd_bus_message_read_array(m, SD_BUS_TYPE_INT32, &v, &l);
+ if (r < 0)
+ return r;
+
+ i->n_netif = l / sizeof(int32_t);
+ i->netif = memdup(v, l);
+ if (!i->netif)
+ return -ENOMEM;
+
+ return 0;
+}
+
static int show_info(const char *verb, sd_bus *bus, const char *path, bool *new_line) {
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) },
- { "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) },
+ { "Name", "s", NULL, offsetof(MachineStatusInfo, name) },
+ { "Class", "s", NULL, offsetof(MachineStatusInfo, class) },
+ { "Service", "s", NULL, offsetof(MachineStatusInfo, service) },
+ { "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) },
+ { "NetworkInterfaces", "ai", map_netif, 0 },
{}
};
free(info.service);
free(info.unit);
free(info.root_directory);
+ free(info.netif);
return r;
}
return 0;
}
-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;
-
- assert(args);
+static int reboot_machine(sd_bus *bus, char **args, unsigned n) {
+ arg_kill_who = "leader";
+ arg_signal = SIGINT; /* sysvinit + systemd */
- for (i = 1; i < n; i++) {
- int r;
+ return kill_machine(bus, args, n);
+}
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.machine1",
- "/org/freedesktop/machine1",
- "org.freedesktop.machine1.Manager",
- "TerminateMachine",
- &error,
- NULL,
- "s", args[i]);
- if (r < 0) {
- log_error("Could not terminate machine: %s", bus_error_message(&error, -r));
- return r;
- }
- }
+static int poweroff_machine(sd_bus *bus, char **args, unsigned n) {
+ arg_kill_who = "leader";
+ arg_signal = SIGRTMIN+4; /* only systemd */
- return 0;
+ return kill_machine(bus, args, n);
}
-static int reboot_machine(sd_bus *bus, char **args, unsigned 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;
- int r;
assert(args);
- if (arg_transport != BUS_TRANSPORT_LOCAL) {
- log_error("Reboot only supported on local machines.");
- return -ENOTSUP;
- }
-
for (i = 1; i < n; i++) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *reply2 = NULL;
- const char *path;
- uint32_t leader;
+ int r;
r = sd_bus_call_method(
bus,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
- "GetMachine",
+ "TerminateMachine",
&error,
- &reply,
+ NULL,
"s", args[i]);
-
- if (r < 0) {
- log_error("Could not get path to machine: %s", bus_error_message(&error, -r));
- return r;
- }
-
- r = sd_bus_message_read(reply, "o", &path);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_get_property(
- bus,
- "org.freedesktop.machine1",
- path,
- "org.freedesktop.machine1.Machine",
- "Leader",
- &error,
- &reply2,
- "u");
if (r < 0) {
- log_error("Failed to retrieve PID of leader: %s", strerror(-r));
+ log_error("Could not terminate machine: %s", bus_error_message(&error, -r));
return r;
}
-
- r = sd_bus_message_read(reply2, "u", &leader);
- if (r < 0)
- return bus_log_parse_error(r);
-
- if (kill(leader, SIGINT) < 0) {
- log_error("Failed to kill init process " PID_FMT ": %m", (pid_t) leader);
- return -errno;
- }
}
return 0;
}
static int openpt_in_namespace(pid_t pid, int flags) {
- _cleanup_close_pipe_ int pair[2] = { -1, -1 };
+ _cleanup_close_pair_ int pair[2] = { -1, -1 };
_cleanup_close_ int pidnsfd = -1, mntnsfd = -1, rootfd = -1;
union {
struct cmsghdr cmsghdr;
pid_t child;
siginfo_t si;
- r = namespace_open(pid, &pidnsfd, &mntnsfd, &rootfd);
+ r = namespace_open(pid, &pidnsfd, &mntnsfd, NULL, &rootfd);
if (r < 0)
return r;
return -errno;
if (child == 0) {
- close_nointr_nofail(pair[0]);
- pair[0] = -1;
+ pair[0] = safe_close(pair[0]);
- r = namespace_enter(pidnsfd, mntnsfd, rootfd);
+ r = namespace_enter(pidnsfd, mntnsfd, -1, rootfd);
if (r < 0)
_exit(EXIT_FAILURE);
_exit(EXIT_SUCCESS);
}
- close_nointr_nofail(pair[1]);
- pair[1] = -1;
+ pair[1] = safe_close(pair[1]);
r = wait_for_terminate(child, &si);
- if (r < 0 || si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS) {
-
- return r < 0 ? r : -EIO;
- }
+ if (r < 0)
+ return r;
+ if (si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS)
+ return -EIO;
if (recvmsg(pair[0], &mh, MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) < 0)
return -errno;
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;
" 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"
+ " poweroff NAME... Power off one or more containers\n"
" reboot NAME... Reboot one or more containers\n"
- " login NAME Get a login prompt on a container\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;
{ "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 },
};