/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2013 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ #include #include #include #include #include #include #include #include #include #include #include #include #include #undef basename #include "sd-bus.h" #include "log.h" #include "util.h" #include "macro.h" #include "pager.h" #include "spawn-polkit-agent.h" #include "bus-util.h" #include "bus-error.h" #include "build.h" #include "strv.h" #include "unit-name.h" #include "cgroup-show.h" #include "logs-show.h" #include "cgroup-util.h" #include "ptyfwd.h" #include "event-util.h" #include "path-util.h" #include "mkdir.h" #include "copy.h" #include "verbs.h" #include "import-util.h" static char **arg_property = NULL; 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 BusTransport arg_transport = BUS_TRANSPORT_LOCAL; static char *arg_host = NULL; static bool arg_read_only = false; static bool arg_mkdir = false; static bool arg_quiet = false; static bool arg_ask_password = true; static unsigned arg_lines = 10; static OutputMode arg_output = OUTPUT_SHORT; static bool arg_force = false; static ImportVerify arg_verify = IMPORT_VERIFY_SIGNATURE; static const char* arg_dkr_index_url = NULL; static void pager_open_if_enabled(void) { if (arg_no_pager) return; pager_open(false); } static void polkit_agent_open_if_enabled(void) { /* Open the polkit agent as a child process if necessary */ if (!arg_ask_password) return; if (arg_transport != BUS_TRANSPORT_LOCAL) return; polkit_agent_open(); } static OutputFlags get_output_flags(void) { return arg_all * OUTPUT_SHOW_ALL | arg_full * OUTPUT_FULL_WIDTH | (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH | on_tty() * OUTPUT_COLOR | !arg_quiet * OUTPUT_WARN_CUTOFF; } typedef struct MachineInfo { const char *name; const char *class; const char *service; } MachineInfo; static int compare_machine_info(const void *a, const void *b) { const MachineInfo *x = a, *y = b; return strcmp(x->name, y->name); } static int list_machines(int argc, char *argv[], void *userdata) { size_t max_name = strlen("MACHINE"), max_class = strlen("CLASS"), max_service = strlen("SERVICE"); _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_free_ MachineInfo *machines = NULL; const char *name, *class, *service, *object; size_t n_machines = 0, n_allocated = 0, j; sd_bus *bus = userdata; int r; assert(bus); pager_open_if_enabled(); r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "ListMachines", &error, &reply, NULL); if (r < 0) { log_error("Could not get machines: %s", bus_error_message(&error, -r)); return r; } r = sd_bus_message_enter_container(reply, 'a', "(ssso)"); if (r < 0) return bus_log_parse_error(r); while ((r = sd_bus_message_read(reply, "(ssso)", &name, &class, &service, &object)) > 0) { size_t l; if (!GREEDY_REALLOC(machines, n_allocated, n_machines + 1)) return log_oom(); machines[n_machines].name = name; machines[n_machines].class = class; machines[n_machines].service = service; l = strlen(name); if (l > max_name) max_name = l; l = strlen(class); if (l > max_class) max_class = l; l = strlen(service); if (l > max_service) max_service = l; n_machines ++; } 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); qsort_safe(machines, n_machines, sizeof(MachineInfo), compare_machine_info); if (arg_legend) printf("%-*s %-*s %-*s\n", (int) max_name, "MACHINE", (int) max_class, "CLASS", (int) max_service, "SERVICE"); for (j = 0; j < n_machines; j++) printf("%-*s %-*s %-*s\n", (int) max_name, machines[j].name, (int) max_class, machines[j].class, (int) max_service, machines[j].service); if (arg_legend) printf("\n%zu machines listed.\n", n_machines); return 0; } typedef struct ImageInfo { const char *name; const char *type; bool read_only; usec_t crtime; usec_t mtime; uint64_t size; } ImageInfo; static int compare_image_info(const void *a, const void *b) { const ImageInfo *x = a, *y = b; return strcmp(x->name, y->name); } static int list_images(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; size_t max_name = strlen("NAME"), max_type = strlen("TYPE"), max_size = strlen("USAGE"), max_crtime = strlen("CREATED"), max_mtime = strlen("MODIFIED"); _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_free_ ImageInfo *images = NULL; size_t n_images = 0, n_allocated = 0, j; const char *name, *type, *object; sd_bus *bus = userdata; uint64_t crtime, mtime, size; int read_only, r; assert(bus); pager_open_if_enabled(); r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "ListImages", &error, &reply, ""); if (r < 0) { log_error("Could not get images: %s", bus_error_message(&error, -r)); return r; } r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssbttto)"); if (r < 0) return bus_log_parse_error(r); while ((r = sd_bus_message_read(reply, "(ssbttto)", &name, &type, &read_only, &crtime, &mtime, &size, &object)) > 0) { char buf[MAX(FORMAT_TIMESTAMP_MAX, FORMAT_BYTES_MAX)]; size_t l; if (name[0] == '.' && !arg_all) continue; if (!GREEDY_REALLOC(images, n_allocated, n_images + 1)) return log_oom(); images[n_images].name = name; images[n_images].type = type; images[n_images].read_only = read_only; images[n_images].crtime = crtime; images[n_images].mtime = mtime; images[n_images].size = size; l = strlen(name); if (l > max_name) max_name = l; l = strlen(type); if (l > max_type) max_type = l; if (crtime != 0) { l = strlen(strna(format_timestamp(buf, sizeof(buf), crtime))); if (l > max_crtime) max_crtime = l; } if (mtime != 0) { l = strlen(strna(format_timestamp(buf, sizeof(buf), mtime))); if (l > max_mtime) max_mtime = l; } if (size != (uint64_t) -1) { l = strlen(strna(format_bytes(buf, sizeof(buf), size))); if (l > max_size) max_size = l; } n_images++; } 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); qsort_safe(images, n_images, sizeof(ImageInfo), compare_image_info); if (arg_legend) printf("%-*s %-*s %-3s %-*s %-*s %-*s\n", (int) max_name, "NAME", (int) max_type, "TYPE", "RO", (int) max_size, "USAGE", (int) max_crtime, "CREATED", (int) max_mtime, "MODIFIED"); for (j = 0; j < n_images; j++) { char crtime_buf[FORMAT_TIMESTAMP_MAX], mtime_buf[FORMAT_TIMESTAMP_MAX], size_buf[FORMAT_BYTES_MAX]; printf("%-*s %-*s %s%-3s%s %-*s %-*s %-*s\n", (int) max_name, images[j].name, (int) max_type, images[j].type, images[j].read_only ? ansi_highlight_red() : "", yes_no(images[j].read_only), images[j].read_only ? ansi_highlight_off() : "", (int) max_size, strna(format_bytes(size_buf, sizeof(size_buf), images[j].size)), (int) max_crtime, strna(format_timestamp(crtime_buf, sizeof(crtime_buf), images[j].crtime)), (int) max_mtime, strna(format_timestamp(mtime_buf, sizeof(mtime_buf), images[j].mtime))); } if (arg_legend) printf("\n%zu images listed.\n", n_images); return 0; } 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; const char *cgroup; int r; unsigned c; assert(bus); assert(unit); if (arg_transport == BUS_TRANSPORT_REMOTE) return 0; path = unit_dbus_path_from_name(unit); if (!path) return log_oom(); r = sd_bus_get_property( bus, "org.freedesktop.systemd1", path, endswith(unit, ".scope") ? "org.freedesktop.systemd1.Scope" : "org.freedesktop.systemd1.Service", "ControlGroup", &error, &reply, "s"); if (r < 0) { log_error("Failed to query ControlGroup: %s", bus_error_message(&error, -r)); return r; } r = sd_bus_message_read(reply, "s", &cgroup); if (r < 0) return bus_log_parse_error(r); if (isempty(cgroup)) return 0; if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup, false) != 0 && leader <= 0) return 0; c = columns(); if (c > 18) c -= 18; else c = 0; show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, "\t\t ", c, false, &leader, leader > 0, get_output_flags()); 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', "(iay)"); if (r < 0) return bus_log_parse_error(r); while ((r = sd_bus_message_enter_container(reply, 'r', "iay")) > 0) { int family; const void *a; size_t sz; char buffer[MAX(INET6_ADDRSTRLEN, INET_ADDRSTRLEN)]; r = sd_bus_message_read(reply, "i", &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 *class; char *service; char *unit; char *root_directory; pid_t leader; struct dual_timestamp 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(bus); assert(i); fputs(strna(i->name), stdout); if (!sd_id128_equal(i->id, SD_ID128_NULL)) printf("(" SD_ID128_FORMAT_STR ")\n", SD_ID128_FORMAT_VAL(i->id)); else putchar('\n'); s1 = format_timestamp_relative(since1, sizeof(since1), i->timestamp.realtime); s2 = format_timestamp(since2, sizeof(since2), i->timestamp.realtime); if (s1) printf("\t Since: %s; %s\n", s2, s1); else if (s2) printf("\t Since: %s\n", s2); if (i->leader > 0) { _cleanup_free_ char *t = NULL; printf("\t Leader: %u", (unsigned) i->leader); get_process_comm(i->leader, &t); if (t) printf(" (%s)", t); putchar('\n'); } if (i->service) { printf("\t Service: %s", i->service); if (i->class) printf("; class %s", i->class); putchar('\n'); } else if (i->class) printf("\t Class: %s\n", i->class); 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); if (arg_transport == BUS_TRANSPORT_LOCAL) { show_journal_by_unit( stdout, i->unit, arg_output, 0, i->timestamp.monotonic, arg_lines, 0, get_output_flags() | OUTPUT_BEGIN_NEWLINE, SD_JOURNAL_LOCAL_ONLY, true, NULL); } } } 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; if (r == 0) return -EBADMSG; i->n_netif = l / sizeof(int32_t); i->netif = memdup(v, l); if (!i->netif) return -ENOMEM; return 0; } static int show_machine_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.realtime) }, { "TimestampMonotonic", "t", NULL, offsetof(MachineStatusInfo, timestamp.monotonic) }, { "Id", "ay", bus_map_id128, offsetof(MachineStatusInfo, id) }, { "NetworkInterfaces", "ai", map_netif, 0 }, {} }; MachineStatusInfo info = {}; int r; assert(verb); assert(bus); assert(path); assert(new_line); r = bus_map_all_properties(bus, "org.freedesktop.machine1", path, map, &info); if (r < 0) return log_error_errno(r, "Could not get properties: %m"); if (*new_line) printf("\n"); *new_line = true; print_machine_status_info(bus, &info); free(info.name); free(info.class); free(info.service); free(info.unit); free(info.root_directory); free(info.netif); return r; } static int show_machine_properties(sd_bus *bus, const char *path, bool *new_line) { int r; assert(bus); assert(path); assert(new_line); if (*new_line) printf("\n"); *new_line = true; r = bus_print_all_properties(bus, "org.freedesktop.machine1", path, arg_property, arg_all); if (r < 0) log_error_errno(r, "Could not get properties: %m"); return r; } static int show_machine(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; bool properties, new_line = false; sd_bus *bus = userdata; int r = 0, i; assert(bus); properties = !strstr(argv[0], "status"); pager_open_if_enabled(); if (properties && argc <= 1) { /* If no argument is specified, inspect the manager * itself */ r = show_machine_properties(bus, "/org/freedesktop/machine1", &new_line); if (r < 0) return r; } for (i = 1; i < argc; i++) { const char *path = NULL; r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "GetMachine", &error, &reply, "s", argv[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); if (properties) r = show_machine_properties(bus, path, &new_line); else r = show_machine_info(argv[0], bus, path, &new_line); } return r; } typedef struct ImageStatusInfo { char *name; char *path; char *type; int read_only; usec_t crtime; usec_t mtime; uint64_t usage; uint64_t limit; uint64_t usage_exclusive; uint64_t limit_exclusive; } ImageStatusInfo; static void print_image_status_info(sd_bus *bus, ImageStatusInfo *i) { char ts_relative[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1; char ts_absolute[FORMAT_TIMESTAMP_MAX], *s2; char bs[FORMAT_BYTES_MAX], *s3; char bs_exclusive[FORMAT_BYTES_MAX], *s4; assert(bus); assert(i); if (i->name) { fputs(i->name, stdout); putchar('\n'); } if (i->type) printf("\t Type: %s\n", i->type); if (i->path) printf("\t Path: %s\n", i->path); printf("\t RO: %s%s%s\n", i->read_only ? ansi_highlight_red() : "", i->read_only ? "read-only" : "writable", i->read_only ? ansi_highlight_off() : ""); s1 = format_timestamp_relative(ts_relative, sizeof(ts_relative), i->crtime); s2 = format_timestamp(ts_absolute, sizeof(ts_absolute), i->crtime); if (s1 && s2) printf("\t Created: %s; %s\n", s2, s1); else if (s2) printf("\t Created: %s\n", s2); s1 = format_timestamp_relative(ts_relative, sizeof(ts_relative), i->mtime); s2 = format_timestamp(ts_absolute, sizeof(ts_absolute), i->mtime); if (s1 && s2) printf("\tModified: %s; %s\n", s2, s1); else if (s2) printf("\tModified: %s\n", s2); s3 = format_bytes(bs, sizeof(bs), i->usage); s4 = i->usage_exclusive != i->usage ? format_bytes(bs_exclusive, sizeof(bs_exclusive), i->usage_exclusive) : NULL; if (s3 && s4) printf("\t Usage: %s (exclusive: %s)\n", s3, s4); else if (s3) printf("\t Usage: %s\n", s3); s3 = format_bytes(bs, sizeof(bs), i->limit); s4 = i->limit_exclusive != i->limit ? format_bytes(bs_exclusive, sizeof(bs_exclusive), i->limit_exclusive) : NULL; if (s3 && s4) printf("\t Limit: %s (exclusive: %s)\n", s3, s4); else if (s3) printf("\t Limit: %s\n", s3); } static int show_image_info(const char *verb, sd_bus *bus, const char *path, bool *new_line) { static const struct bus_properties_map map[] = { { "Name", "s", NULL, offsetof(ImageStatusInfo, name) }, { "Path", "s", NULL, offsetof(ImageStatusInfo, path) }, { "Type", "s", NULL, offsetof(ImageStatusInfo, type) }, { "ReadOnly", "b", NULL, offsetof(ImageStatusInfo, read_only) }, { "CreationTimestamp", "t", NULL, offsetof(ImageStatusInfo, crtime) }, { "ModificationTimestamp", "t", NULL, offsetof(ImageStatusInfo, mtime) }, { "Usage", "t", NULL, offsetof(ImageStatusInfo, usage) }, { "Limit", "t", NULL, offsetof(ImageStatusInfo, limit) }, { "UsageExclusive", "t", NULL, offsetof(ImageStatusInfo, usage_exclusive) }, { "LimitExclusive", "t", NULL, offsetof(ImageStatusInfo, limit_exclusive) }, {} }; ImageStatusInfo info = {}; int r; assert(verb); assert(bus); assert(path); assert(new_line); r = bus_map_all_properties(bus, "org.freedesktop.machine1", path, map, &info); if (r < 0) return log_error_errno(r, "Could not get properties: %m"); if (*new_line) printf("\n"); *new_line = true; print_image_status_info(bus, &info); free(info.name); free(info.path); free(info.type); return r; } static int show_image_properties(sd_bus *bus, const char *path, bool *new_line) { int r; assert(bus); assert(path); assert(new_line); if (*new_line) printf("\n"); *new_line = true; r = bus_print_all_properties(bus, "org.freedesktop.machine1", path, arg_property, arg_all); if (r < 0) log_error_errno(r, "Could not get properties: %m"); return r; } static int show_image(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; bool properties, new_line = false; sd_bus *bus = userdata; int r = 0, i; assert(bus); properties = !strstr(argv[0], "status"); pager_open_if_enabled(); if (properties && argc <= 1) { /* If no argument is specified, inspect the manager * itself */ r = show_image_properties(bus, "/org/freedesktop/machine1", &new_line); if (r < 0) return r; } for (i = 1; i < argc; i++) { const char *path = NULL; r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "GetImage", &error, &reply, "s", argv[i]); if (r < 0) { log_error("Could not get path to image: %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); if (properties) r = show_image_properties(bus, path, &new_line); else r = show_image_info(argv[0], bus, path, &new_line); } return r; } static int kill_machine(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus *bus = userdata; int i; assert(bus); polkit_agent_open_if_enabled(); if (!arg_kill_who) arg_kill_who = "all"; for (i = 1; i < argc; i++) { int r; r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "KillMachine", &error, NULL, "ssi", argv[i], arg_kill_who, arg_signal); if (r < 0) { log_error("Could not kill machine: %s", bus_error_message(&error, -r)); return r; } } return 0; } static int reboot_machine(int argc, char *argv[], void *userdata) { arg_kill_who = "leader"; arg_signal = SIGINT; /* sysvinit + systemd */ return kill_machine(argc, argv, userdata); } static int poweroff_machine(int argc, char *argv[], void *userdata) { arg_kill_who = "leader"; arg_signal = SIGRTMIN+4; /* only systemd */ return kill_machine(argc, argv, userdata); } static int terminate_machine(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus *bus = userdata; int i; assert(bus); polkit_agent_open_if_enabled(); for (i = 1; i < argc; i++) { int r; r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "TerminateMachine", &error, NULL, "s", argv[i]); if (r < 0) { log_error("Could not terminate machine: %s", bus_error_message(&error, -r)); return r; } } return 0; } static int machine_get_leader(sd_bus *bus, const char *name, pid_t *ret) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *reply2 = NULL; const char *object; uint32_t leader; int r; assert(bus); assert(name); assert(ret); r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "GetMachine", &error, &reply, "s", name); 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", &object); if (r < 0) return bus_log_parse_error(r); r = sd_bus_get_property( bus, "org.freedesktop.machine1", object, "org.freedesktop.machine1.Machine", "Leader", &error, &reply2, "u"); if (r < 0) return log_error_errno(r, "Failed to retrieve PID of leader: %m"); r = sd_bus_message_read(reply2, "u", &leader); if (r < 0) return bus_log_parse_error(r); *ret = leader; return 0; } static int copy_files(int argc, char *argv[], void *userdata) { char *dest, *host_path, *container_path, *host_dirname, *host_basename, *container_dirname, *container_basename, *t; _cleanup_close_ int hostfd = -1; sd_bus *bus = userdata; pid_t child, leader; bool copy_from; siginfo_t si; int r; assert(bus); copy_from = streq(argv[0], "copy-from"); dest = argv[3] ?: argv[2]; host_path = strdupa(copy_from ? dest : argv[2]); container_path = strdupa(copy_from ? argv[2] : dest); if (!path_is_absolute(container_path)) { log_error("Container path not absolute."); return -EINVAL; } t = strdupa(host_path); host_basename = basename(t); host_dirname = dirname(host_path); t = strdupa(container_path); container_basename = basename(t); container_dirname = dirname(container_path); r = machine_get_leader(bus, argv[1], &leader); if (r < 0) return r; hostfd = open(host_dirname, O_CLOEXEC|O_RDONLY|O_NOCTTY|O_DIRECTORY); if (r < 0) return log_error_errno(errno, "Failed to open source directory: %m"); child = fork(); if (child < 0) return log_error_errno(errno, "Failed to fork(): %m"); if (child == 0) { int containerfd; const char *q; int mntfd; q = procfs_file_alloca(leader, "ns/mnt"); mntfd = open(q, O_RDONLY|O_NOCTTY|O_CLOEXEC); if (mntfd < 0) { log_error_errno(errno, "Failed to open mount namespace of leader: %m"); _exit(EXIT_FAILURE); } if (setns(mntfd, CLONE_NEWNS) < 0) { log_error_errno(errno, "Failed to join namespace of leader: %m"); _exit(EXIT_FAILURE); } containerfd = open(container_dirname, O_CLOEXEC|O_RDONLY|O_NOCTTY|O_DIRECTORY); if (containerfd < 0) { log_error_errno(errno, "Failed top open destination directory: %m"); _exit(EXIT_FAILURE); } if (copy_from) r = copy_tree_at(containerfd, container_basename, hostfd, host_basename, true); else r = copy_tree_at(hostfd, host_basename, containerfd, container_basename, true); if (r < 0) { log_error_errno(errno, "Failed to copy tree: %m"); _exit(EXIT_FAILURE); } _exit(EXIT_SUCCESS); } r = wait_for_terminate(child, &si); if (r < 0) return log_error_errno(r, "Failed to wait for client: %m"); if (si.si_code != CLD_EXITED) { log_error("Client died abnormally."); return -EIO; } if (si.si_status != EXIT_SUCCESS) return -EIO; return 0; } static int bind_mount(int argc, char *argv[], void *userdata) { char mount_slave[] = "/tmp/propagate.XXXXXX", *mount_tmp, *mount_outside, *p; sd_bus *bus = userdata; pid_t child, leader; const char *dest; siginfo_t si; bool mount_slave_created = false, mount_slave_mounted = false, mount_tmp_created = false, mount_tmp_mounted = false, mount_outside_created = false, mount_outside_mounted = false; int r; assert(bus); /* One day, when bind mounting /proc/self/fd/n works across * namespace boundaries we should rework this logic to make * use of it... */ dest = argv[3] ?: argv[2]; if (!path_is_absolute(dest)) { log_error("Destination path not absolute."); return -EINVAL; } p = strappenda("/run/systemd/nspawn/propagate/", argv[1], "/"); if (access(p, F_OK) < 0) { log_error("Container does not allow propagation of mount points."); return -ENOTSUP; } r = machine_get_leader(bus, argv[1], &leader); if (r < 0) return r; /* Our goal is to install a new bind mount into the container, possibly read-only. This is irritatingly complex unfortunately, currently. First, we start by creating a private playground in /tmp, that we can mount MS_SLAVE. (Which is necessary, since MS_MOUNT cannot be applied to mounts with MS_SHARED parent mounts.) */ if (!mkdtemp(mount_slave)) return log_error_errno(errno, "Failed to create playground: %m"); mount_slave_created = true; if (mount(mount_slave, mount_slave, NULL, MS_BIND, NULL) < 0) { r = log_error_errno(errno, "Failed to make bind mount: %m"); goto finish; } mount_slave_mounted = true; if (mount(NULL, mount_slave, NULL, MS_SLAVE, NULL) < 0) { r = log_error_errno(errno, "Failed to remount slave: %m"); goto finish; } /* Second, we mount the source directory to a directory inside of our MS_SLAVE playground. */ mount_tmp = strappenda(mount_slave, "/mount"); if (mkdir(mount_tmp, 0700) < 0) { r = log_error_errno(errno, "Failed to create temporary mount: %m"); goto finish; } mount_tmp_created = true; if (mount(argv[2], mount_tmp, NULL, MS_BIND, NULL) < 0) { r = log_error_errno(errno, "Failed to overmount: %m"); goto finish; } mount_tmp_mounted = true; /* Third, we remount the new bind mount read-only if requested. */ if (arg_read_only) if (mount(NULL, mount_tmp, NULL, MS_BIND|MS_REMOUNT|MS_RDONLY, NULL) < 0) { r = log_error_errno(errno, "Failed to mark read-only: %m"); goto finish; } /* Fourth, we move the new bind mount into the propagation * directory. This way it will appear there read-only * right-away. */ mount_outside = strappenda("/run/systemd/nspawn/propagate/", argv[1], "/XXXXXX"); if (!mkdtemp(mount_outside)) { r = log_error_errno(errno, "Cannot create propagation directory: %m"); goto finish; } mount_outside_created = true; if (mount(mount_tmp, mount_outside, NULL, MS_MOVE, NULL) < 0) { r = log_error_errno(errno, "Failed to move: %m"); goto finish; } mount_outside_mounted = true; mount_tmp_mounted = false; (void) rmdir(mount_tmp); mount_tmp_created = false; (void) umount(mount_slave); mount_slave_mounted = false; (void) rmdir(mount_slave); mount_slave_created = false; child = fork(); if (child < 0) { r = log_error_errno(errno, "Failed to fork(): %m"); goto finish; } if (child == 0) { const char *mount_inside; int mntfd; const char *q; q = procfs_file_alloca(leader, "ns/mnt"); mntfd = open(q, O_RDONLY|O_NOCTTY|O_CLOEXEC); if (mntfd < 0) { log_error_errno(errno, "Failed to open mount namespace of leader: %m"); _exit(EXIT_FAILURE); } if (setns(mntfd, CLONE_NEWNS) < 0) { log_error_errno(errno, "Failed to join namespace of leader: %m"); _exit(EXIT_FAILURE); } if (arg_mkdir) mkdir_p(dest, 0755); /* Fifth, move the mount to the right place inside */ mount_inside = strappenda("/run/systemd/nspawn/incoming/", basename(mount_outside)); if (mount(mount_inside, dest, NULL, MS_MOVE, NULL) < 0) { log_error_errno(errno, "Failed to mount: %m"); _exit(EXIT_FAILURE); } _exit(EXIT_SUCCESS); } r = wait_for_terminate(child, &si); if (r < 0) { log_error_errno(r, "Failed to wait for client: %m"); goto finish; } if (si.si_code != CLD_EXITED) { log_error("Client died abnormally."); r = -EIO; goto finish; } if (si.si_status != EXIT_SUCCESS) { r = -EIO; goto finish; } r = 0; finish: if (mount_outside_mounted) umount(mount_outside); if (mount_outside_created) rmdir(mount_outside); if (mount_tmp_mounted) umount(mount_tmp); if (mount_tmp_created) umount(mount_tmp); if (mount_slave_mounted) umount(mount_slave); if (mount_slave_created) umount(mount_slave); return r; } static int on_machine_removed(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { PTYForward ** forward = (PTYForward**) userdata; int r; assert(bus); assert(m); assert(forward); if (*forward) { /* If the forwarder is already initialized, tell it to * exit on the next vhangup(), so that we still flush * out what might be queued and exit then. */ r = pty_forward_set_ignore_vhangup(*forward, false); if (r >= 0) return 0; log_error_errno(r, "Failed to set ignore_vhangup flag: %m"); } /* On error, or when the forwarder is not initialized yet, quit immediately */ sd_event_exit(sd_bus_get_event(bus), EXIT_FAILURE); return 0; } static int login_machine(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; _cleanup_bus_slot_unref_ sd_bus_slot *slot = NULL; _cleanup_(pty_forward_freep) PTYForward *forward = NULL; _cleanup_event_unref_ sd_event *event = NULL; int master = -1, r, ret = 0; sd_bus *bus = userdata; const char *pty, *match; char last_char = 0; bool machine_died; assert(bus); if (arg_transport != BUS_TRANSPORT_LOCAL && arg_transport != BUS_TRANSPORT_MACHINE) { log_error("Login only supported on local machines."); return -ENOTSUP; } polkit_agent_open_if_enabled(); r = sd_event_default(&event); if (r < 0) return log_error_errno(r, "Failed to get event loop: %m"); r = sd_bus_attach_event(bus, event, 0); if (r < 0) return log_error_errno(r, "Failed to attach bus to event loop: %m"); match = strappenda("type='signal'," "sender='org.freedesktop.machine1'," "path='/org/freedesktop/machine1',", "interface='org.freedesktop.machine1.Manager'," "member='MachineRemoved'," "arg0='", argv[1], "'"); r = sd_bus_add_match(bus, &slot, match, on_machine_removed, &forward); if (r < 0) return log_error_errno(r, "Failed to add machine removal match: %m"); r = sd_bus_message_new_method_call(bus, &m, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "OpenMachineLogin"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append(m, "s", argv[1]); if (r < 0) return bus_log_create_error(r); r = sd_bus_call(bus, m, 0, &error, &reply); if (r < 0) { log_error("Failed to get machine PTY: %s", bus_error_message(&error, -r)); return r; } r = sd_bus_message_read(reply, "hs", &master, &pty); if (r < 0) return bus_log_parse_error(r); sigprocmask_many(SIG_BLOCK, SIGWINCH, SIGTERM, SIGINT, -1); log_info("Connected to machine %s. Press ^] three times within 1s to exit session.", argv[1]); sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); r = pty_forward_new(event, master, true, &forward); if (r < 0) return log_error_errno(r, "Failed to create PTY forwarder: %m"); r = sd_event_loop(event); if (r < 0) return log_error_errno(r, "Failed to run event loop: %m"); pty_forward_get_last_char(forward, &last_char); machine_died = pty_forward_get_ignore_vhangup(forward) == 0; forward = pty_forward_free(forward); if (last_char != '\n') fputc('\n', stdout); if (machine_died) log_info("Machine %s terminated.", argv[1]); else log_info("Connection to machine %s terminated.", argv[1]); sd_event_get_exit_code(event, &ret); return ret; } static int remove_image(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus *bus = userdata; int r, i; assert(bus); polkit_agent_open_if_enabled(); for (i = 1; i < argc; i++) { r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "RemoveImage", &error, NULL, "s", argv[i]); if (r < 0) { log_error("Could not remove image: %s", bus_error_message(&error, -r)); return r; } } return 0; } static int rename_image(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus *bus = userdata; int r; polkit_agent_open_if_enabled(); r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "RenameImage", &error, NULL, "ss", argv[1], argv[2]); if (r < 0) { log_error("Could not rename image: %s", bus_error_message(&error, -r)); return r; } return 0; } static int clone_image(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus *bus = userdata; int r; polkit_agent_open_if_enabled(); r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "CloneImage", &error, NULL, "ssb", argv[1], argv[2], arg_read_only); if (r < 0) { log_error("Could not clone image: %s", bus_error_message(&error, -r)); return r; } return 0; } static int read_only_image(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus *bus = userdata; int b = true, r; if (argc > 2) { b = parse_boolean(argv[2]); if (b < 0) { log_error("Failed to parse boolean argument: %s", argv[2]); return -EINVAL; } } polkit_agent_open_if_enabled(); r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "MarkImageReadOnly", &error, NULL, "sb", argv[1], b); if (r < 0) { log_error("Could not mark image read-only: %s", bus_error_message(&error, -r)); return r; } return 0; } static int start_machine(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; sd_bus *bus = userdata; int r, i; assert(bus); polkit_agent_open_if_enabled(); r = bus_wait_for_jobs_new(bus, &w); if (r < 0) return log_oom(); for (i = 1; i < argc; i++) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; _cleanup_free_ char *e = NULL, *unit = NULL; const char *object; if (!machine_name_is_valid(argv[i])) { log_error("Invalid machine name %s.", argv[i]); return -EINVAL; } e = unit_name_escape(argv[i]); if (!e) return log_oom(); unit = unit_name_build("systemd-nspawn", e, ".service"); if (!unit) return log_oom(); r = sd_bus_message_new_method_call( bus, &m, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "StartUnit"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append(m, "ss", unit, "fail"); if (r < 0) return bus_log_create_error(r); r = sd_bus_call(bus, m, 0, &error, &reply); if (r < 0) { log_error("Failed to start unit: %s", bus_error_message(&error, -r)); return r; } r = sd_bus_message_read(reply, "o", &object); if (r < 0) return bus_log_parse_error(r); r = bus_wait_for_jobs_add(w, object); if (r < 0) return log_oom(); } r = bus_wait_for_jobs(w, arg_quiet); if (r < 0) return r; return 0; } static int enable_machine(int argc, char *argv[], void *userdata) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; int carries_install_info = 0; const char *method = NULL; sd_bus *bus = userdata; int r, i; assert(bus); polkit_agent_open_if_enabled(); method = streq(argv[0], "enable") ? "EnableUnitFiles" : "DisableUnitFiles"; r = sd_bus_message_new_method_call( bus, &m, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", method); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_open_container(m, 'a', "s"); if (r < 0) return bus_log_create_error(r); for (i = 1; i < argc; i++) { _cleanup_free_ char *e = NULL, *unit = NULL; if (!machine_name_is_valid(argv[i])) { log_error("Invalid machine name %s.", argv[i]); return -EINVAL; } e = unit_name_escape(argv[i]); if (!e) return log_oom(); unit = unit_name_build("systemd-nspawn", e, ".service"); if (!unit) return log_oom(); r = sd_bus_message_append(m, "s", unit); if (r < 0) return bus_log_create_error(r); } r = sd_bus_message_close_container(m); if (r < 0) return bus_log_create_error(r); if (streq(argv[0], "enable")) r = sd_bus_message_append(m, "bb", false, false); else r = sd_bus_message_append(m, "b", false); if (r < 0) return bus_log_create_error(r); r = sd_bus_call(bus, m, 0, &error, &reply); if (r < 0) { log_error("Failed to enable or disable unit: %s", bus_error_message(&error, -r)); return r; } if (streq(argv[0], "enable")) { r = sd_bus_message_read(reply, "b", carries_install_info); if (r < 0) return bus_log_parse_error(r); } r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet); if (r < 0) return r; m = sd_bus_message_unref(m); r = sd_bus_message_new_method_call( bus, &m, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "Reload"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); if (r < 0) return bus_log_create_error(r); r = sd_bus_call(bus, m, 0, &error, NULL); if (r < 0) { log_error("Failed to reload daemon: %s", bus_error_message(&error, -r)); return r; } return 0; } static int match_log_message(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) { const char **our_path = userdata, *line; unsigned priority; int r; assert(bus); assert(m); assert(our_path); r = sd_bus_message_read(m, "us", &priority, &line); if (r < 0) { bus_log_parse_error(r); return 0; } if (!streq_ptr(*our_path, sd_bus_message_get_path(m))) return 0; if (arg_quiet && LOG_PRI(priority) >= LOG_INFO) return 0; log_full(priority, "%s", line); return 0; } static int match_transfer_removed(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) { const char **our_path = userdata, *path, *result; uint32_t id; int r; assert(bus); assert(m); assert(our_path); r = sd_bus_message_read(m, "uos", &id, &path, &result); if (r < 0) { bus_log_parse_error(r); return 0; } if (!streq_ptr(*our_path, path)) return 0; sd_event_exit(sd_bus_get_event(bus), !streq_ptr(result, "done")); return 0; } static int transfer_signal_handler(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) { assert(s); assert(si); if (!arg_quiet) log_info("Continuing download in the background. Use \"machinectl cancel-transfer %" PRIu32 "\" to abort transfer.", PTR_TO_UINT32(userdata)); sd_event_exit(sd_event_source_get_event(s), EINTR); return 0; } static int pull_image_common(sd_bus *bus, sd_bus_message *m) { _cleanup_bus_slot_unref_ sd_bus_slot *slot_job_removed = NULL, *slot_log_message = NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_event_unref_ sd_event* event = NULL; const char *path = NULL; uint32_t id; int r; assert(bus); assert(m); polkit_agent_open_if_enabled(); r = sd_event_default(&event); if (r < 0) return log_error_errno(r, "Failed to get event loop: %m"); r = sd_bus_attach_event(bus, event, 0); if (r < 0) return log_error_errno(r, "Failed to attach bus to event loop: %m"); r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); if (r < 0) return bus_log_create_error(r); r = sd_bus_add_match( bus, &slot_job_removed, "type='signal'," "sender='org.freedesktop.import1'," "interface='org.freedesktop.import1.Manager'," "member='TransferRemoved'," "path='/org/freedesktop/import1'", match_transfer_removed, &path); if (r < 0) return log_error_errno(r, "Failed to install match: %m"); r = sd_bus_add_match( bus, &slot_log_message, "type='signal'," "sender='org.freedesktop.import1'," "interface='org.freedesktop.import1.Transfer'," "member='LogMessage'", match_log_message, &path); if (r < 0) return log_error_errno(r, "Failed to install match: %m"); r = sd_bus_call(bus, m, 0, &error, &reply); if (r < 0) { log_error("Failed pull image: %s", bus_error_message(&error, -r)); return r; } r = sd_bus_message_read(reply, "uo", &id, &path); if (r < 0) return bus_log_parse_error(r); sigprocmask_many(SIG_BLOCK, SIGTERM, SIGINT, -1); if (!arg_quiet) log_info("Enqueued transfer job %u. Press C-c to continue download in background.", id); sd_event_add_signal(event, NULL, SIGINT, transfer_signal_handler, UINT32_TO_PTR(id)); sd_event_add_signal(event, NULL, SIGTERM, transfer_signal_handler, UINT32_TO_PTR(id)); r = sd_event_loop(event); if (r < 0) return log_error_errno(r, "Failed to run event loop: %m"); return -r; } static int pull_tar(int argc, char *argv[], void *userdata) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL; _cleanup_free_ char *l = NULL, *ll = NULL; const char *local, *remote; sd_bus *bus = userdata; int r; assert(bus); remote = argv[1]; if (!http_url_is_valid(remote)) { log_error("URL '%s' is not valid.", remote); return -EINVAL; } if (argc >= 3) local = argv[2]; else { r = import_url_last_component(remote, &l); if (r < 0) return log_error_errno(r, "Failed to get final component of URL: %m"); local = l; } if (isempty(local) || streq(local, "-")) local = NULL; if (local) { r = tar_strip_suffixes(local, &ll); if (r < 0) return log_error_errno(r, "Failed to strip tar suffixes: %m"); local = ll; if (!machine_name_is_valid(local)) { log_error("Local name %s is not a suitable machine name.", local); return -EINVAL; } } r = sd_bus_message_new_method_call( bus, &m, "org.freedesktop.import1", "/org/freedesktop/import1", "org.freedesktop.import1.Manager", "PullTar"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append( m, "sssb", remote, local, import_verify_to_string(arg_verify), arg_force); if (r < 0) return bus_log_create_error(r); return pull_image_common(bus, m); } static int pull_raw(int argc, char *argv[], void *userdata) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL; _cleanup_free_ char *l = NULL, *ll = NULL; const char *local, *remote; sd_bus *bus = userdata; int r; assert(bus); remote = argv[1]; if (!http_url_is_valid(remote)) { log_error("URL '%s' is not valid.", remote); return -EINVAL; } if (argc >= 3) local = argv[2]; else { r = import_url_last_component(remote, &l); if (r < 0) return log_error_errno(r, "Failed to get final component of URL: %m"); local = l; } if (isempty(local) || streq(local, "-")) local = NULL; if (local) { r = raw_strip_suffixes(local, &ll); if (r < 0) return log_error_errno(r, "Failed to strip tar suffixes: %m"); local = ll; if (!machine_name_is_valid(local)) { log_error("Local name %s is not a suitable machine name.", local); return -EINVAL; } } r = sd_bus_message_new_method_call( bus, &m, "org.freedesktop.import1", "/org/freedesktop/import1", "org.freedesktop.import1.Manager", "PullRaw"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append( m, "sssb", remote, local, import_verify_to_string(arg_verify), arg_force); if (r < 0) return bus_log_create_error(r); return pull_image_common(bus, m); } static int pull_dkr(int argc, char *argv[], void *userdata) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL; _cleanup_free_ char *l = NULL, *ll = NULL; const char *local, *remote, *tag; sd_bus *bus = userdata; int r; if (arg_verify != IMPORT_VERIFY_NO) { log_error("Imports from DKR do not support image verification, please pass --verify=no."); return -EINVAL; } remote = argv[1]; tag = strchr(remote, ':'); if (tag) { remote = strndupa(remote, tag - remote); tag++; } if (!dkr_name_is_valid(remote)) { log_error("DKR name '%s' is invalid.", remote); return -EINVAL; } if (tag && !dkr_tag_is_valid(tag)) { log_error("DKR tag '%s' is invalid.", remote); return -EINVAL; } if (argc >= 3) local = argv[2]; else { local = strchr(remote, '/'); if (local) local++; else local = remote; } if (isempty(local) || streq(local, "-")) local = NULL; if (local) { if (!machine_name_is_valid(local)) { log_error("Local name %s is not a suitable machine name.", local); return -EINVAL; } } r = sd_bus_message_new_method_call( bus, &m, "org.freedesktop.import1", "/org/freedesktop/import1", "org.freedesktop.import1.Manager", "PullDkr"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append( m, "sssssb", arg_dkr_index_url, remote, tag, local, import_verify_to_string(arg_verify), arg_force); if (r < 0) return bus_log_create_error(r); return pull_image_common(bus, m); } typedef struct TransferInfo { uint32_t id; const char *type; const char *remote; const char *local; double progress; } TransferInfo; static int compare_transfer_info(const void *a, const void *b) { const TransferInfo *x = a, *y = b; return strcmp(x->local, y->local); } static int list_transfers(int argc, char *argv[], void *userdata) { size_t max_type = strlen("TYPE"), max_local = strlen("LOCAL"), max_remote = strlen("REMOTE"); _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_free_ TransferInfo *transfers = NULL; size_t n_transfers = 0, n_allocated = 0, j; const char *type, *remote, *local, *object; sd_bus *bus = userdata; uint32_t id, max_id = 0; double progress; int r; pager_open_if_enabled(); r = sd_bus_call_method( bus, "org.freedesktop.import1", "/org/freedesktop/import1", "org.freedesktop.import1.Manager", "ListTransfers", &error, &reply, NULL); if (r < 0) { log_error("Could not get transfers: %s", bus_error_message(&error, -r)); return r; } r = sd_bus_message_enter_container(reply, 'a', "(usssdo)"); if (r < 0) return bus_log_parse_error(r); while ((r = sd_bus_message_read(reply, "(usssdo)", &id, &type, &remote, &local, &progress, &object)) > 0) { size_t l; if (!GREEDY_REALLOC(transfers, n_allocated, n_transfers + 1)) return log_oom(); transfers[n_transfers].id = id; transfers[n_transfers].type = type; transfers[n_transfers].remote = remote; transfers[n_transfers].local = local; transfers[n_transfers].progress = progress; l = strlen(type); if (l > max_type) max_type = l; l = strlen(remote); if (l > max_remote) max_remote = l; l = strlen(local); if (l > max_local) max_local = l; if (id > max_id) max_id = id; n_transfers ++; } 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); qsort_safe(transfers, n_transfers, sizeof(TransferInfo), compare_transfer_info); if (arg_legend) printf("%-*s %-*s %-*s %-*s %-*s\n", (int) MAX(2U, DECIMAL_STR_WIDTH(max_id)), "ID", (int) 7, "PERCENT", (int) max_type, "TYPE", (int) max_local, "LOCAL", (int) max_remote, "REMOTE"); for (j = 0; j < n_transfers; j++) printf("%*" PRIu32 " %*u%% %-*s %-*s %-*s\n", (int) MAX(2U, DECIMAL_STR_WIDTH(max_id)), transfers[j].id, (int) 6, (unsigned) (transfers[j].progress * 100), (int) max_type, transfers[j].type, (int) max_local, transfers[j].local, (int) max_remote, transfers[j].remote); if (arg_legend) printf("\n%zu transfers listed.\n", n_transfers); return 0; } static int cancel_transfer(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus *bus = userdata; int r, i; assert(bus); polkit_agent_open_if_enabled(); for (i = 1; i < argc; i++) { uint32_t id; r = safe_atou32(argv[i], &id); if (r < 0) return log_error_errno(r, "Failed to parse transfer id: %s", argv[i]); r = sd_bus_call_method( bus, "org.freedesktop.import1", "/org/freedesktop/import1", "org.freedesktop.import1.Manager", "CancelTransfer", &error, NULL, "u", id); if (r < 0) { log_error("Could not cancel transfer: %s", bus_error_message(&error, -r)); return r; } } return 0; } static int help(int argc, char *argv[], void *userdata) { printf("%s [OPTIONS...] {COMMAND} ...\n\n" "Send control commands to or query the virtual machine and container\n" "registration manager.\n\n" " -h --help Show this help\n" " --version Show package version\n" " --no-pager Do not pipe output into a pager\n" " --no-legend Do not show the headers and footers\n" " --no-ask-password Do not ask for system passwords\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" " -q --quiet Suppress output\n" " -a --all Show all properties, including empty ones\n" " -l --full Do not ellipsize output\n" " --kill-who=WHO Who to send signal to\n" " -s --signal=SIGNAL Which signal to send\n" " --read-only Create read-only bind mount\n" " --mkdir Create directory before bind mounting, if missing\n" " -n --lines=INTEGER Number of journal entries to show\n" " -o --output=STRING Change journal output mode (short,\n" " short-monotonic, verbose, export, json,\n" " json-pretty, json-sse, cat)\n" " --verify=MODE Verification mode for downloaded images (no,\n" " checksum, signature)\n" " --force Download image even if already exists\n" " --dkr-index-url=URL Specify the index URL to use for DKR image\n" " downloads\n\n" "Machine Commands:\n" " list List running VMs and containers\n" " status NAME... Show VM/container details\n" " show NAME... Show properties of one or more VMs/containers\n" " start NAME... Start container as a service\n" " login NAME Get a login prompt on a container\n" " enable NAME... Enable automatic container start at boot\n" " disable NAME... Disable automatic container start at boot\n" " poweroff NAME... Power off one or more containers\n" " reboot NAME... Reboot one or more containers\n" " terminate NAME... Terminate one or more VMs/containers\n" " kill NAME... Send signal to processes of a VM/container\n" " copy-to NAME PATH [PATH] Copy files from the host to a container\n" " copy-from NAME PATH [PATH] Copy files from a container to the host\n" " bind NAME PATH [PATH] Bind mount a path from the host into a container\n\n" "Image Commands:\n" " list-images Show available container and VM images\n" " image-status NAME... Show image details\n" " show-image NAME... Show properties of image\n" " clone NAME NAME Clone an image\n" " rename NAME NAME Rename an image\n" " read-only NAME [BOOL] Mark or unmark image read-only\n" " remove NAME... Remove an image\n\n" "Image Transfer Commands:\n" " pull-tar URL [NAME] Download a TAR container image\n" " pull-raw URL [NAME] Download a RAW container or VM image\n" " pull-dkr REMOTE [NAME] Download a DKR container image\n" " list-transfers Show list of downloads in progress\n" " cancel-transfer Cancel a download\n" , program_invocation_short_name); return 0; } static int parse_argv(int argc, char *argv[]) { enum { ARG_VERSION = 0x100, ARG_NO_PAGER, ARG_NO_LEGEND, ARG_KILL_WHO, ARG_READ_ONLY, ARG_MKDIR, ARG_NO_ASK_PASSWORD, ARG_VERIFY, ARG_FORCE, ARG_DKR_INDEX_URL, }; static const struct option options[] = { { "help", no_argument, NULL, 'h' }, { "version", no_argument, NULL, ARG_VERSION }, { "property", required_argument, NULL, 'p' }, { "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' }, { "read-only", no_argument, NULL, ARG_READ_ONLY }, { "mkdir", no_argument, NULL, ARG_MKDIR }, { "quiet", no_argument, NULL, 'q' }, { "lines", required_argument, NULL, 'n' }, { "output", required_argument, NULL, 'o' }, { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, { "verify", required_argument, NULL, ARG_VERIFY }, { "force", no_argument, NULL, ARG_FORCE }, { "dkr-index-url", required_argument, NULL, ARG_DKR_INDEX_URL }, {} }; int c, r; assert(argc >= 0); assert(argv); while ((c = getopt_long(argc, argv, "hp:als:H:M:qn:o:", options, NULL)) >= 0) switch (c) { case 'h': return help(0, NULL, NULL); case ARG_VERSION: puts(PACKAGE_STRING); puts(SYSTEMD_FEATURES); return 0; case 'p': r = strv_extend(&arg_property, optarg); if (r < 0) return log_oom(); /* If the user asked for a particular * property, show it to him, even if it is * empty. */ arg_all = true; break; case 'a': arg_all = true; break; case 'l': arg_full = true; break; case 'n': if (safe_atou(optarg, &arg_lines) < 0) { log_error("Failed to parse lines '%s'", optarg); return -EINVAL; } break; case 'o': arg_output = output_mode_from_string(optarg); if (arg_output < 0) { log_error("Unknown output '%s'.", optarg); return -EINVAL; } break; case ARG_NO_PAGER: arg_no_pager = true; break; case ARG_NO_LEGEND: arg_legend = false; break; case ARG_KILL_WHO: arg_kill_who = optarg; break; case 's': arg_signal = signal_from_string_try_harder(optarg); if (arg_signal < 0) { log_error("Failed to parse signal string %s.", optarg); return -EINVAL; } break; case ARG_NO_ASK_PASSWORD: arg_ask_password = false; break; case 'H': arg_transport = BUS_TRANSPORT_REMOTE; arg_host = optarg; break; case 'M': arg_transport = BUS_TRANSPORT_MACHINE; arg_host = optarg; break; case ARG_READ_ONLY: arg_read_only = true; break; case ARG_MKDIR: arg_mkdir = true; break; case 'q': arg_quiet = true; break; case ARG_VERIFY: arg_verify = import_verify_from_string(optarg); if (arg_verify < 0) { log_error("Failed to parse --verify= setting: %s", optarg); return -EINVAL; } break; case ARG_FORCE: arg_force = true; break; case ARG_DKR_INDEX_URL: if (!http_url_is_valid(optarg)) { log_error("Index URL is invalid: %s", optarg); return -EINVAL; } arg_dkr_index_url = optarg; break; case '?': return -EINVAL; default: assert_not_reached("Unhandled option"); } return 1; } static int machinectl_main(int argc, char *argv[], sd_bus *bus) { static const Verb verbs[] = { { "help", VERB_ANY, VERB_ANY, 0, help }, { "list", VERB_ANY, 1, VERB_DEFAULT, list_machines }, { "list-images", VERB_ANY, 1, 0, list_images }, { "status", 2, VERB_ANY, 0, show_machine }, { "image-status", 2, VERB_ANY, 0, show_image }, { "show", VERB_ANY, VERB_ANY, 0, show_machine }, { "show-image", VERB_ANY, VERB_ANY, 0, show_image }, { "terminate", 2, VERB_ANY, 0, terminate_machine }, { "reboot", 2, VERB_ANY, 0, reboot_machine }, { "poweroff", 2, VERB_ANY, 0, poweroff_machine }, { "kill", 2, VERB_ANY, 0, kill_machine }, { "login", 2, 2, 0, login_machine }, { "bind", 3, 4, 0, bind_mount }, { "copy-to", 3, 4, 0, copy_files }, { "copy-from", 3, 4, 0, copy_files }, { "remove", 2, VERB_ANY, 0, remove_image }, { "rename", 3, 3, 0, rename_image }, { "clone", 3, 3, 0, clone_image }, { "read-only", 2, 3, 0, read_only_image }, { "start", 2, VERB_ANY, 0, start_machine }, { "enable", 2, VERB_ANY, 0, enable_machine }, { "disable", 2, VERB_ANY, 0, enable_machine }, { "pull-tar", 2, 3, 0, pull_tar }, { "pull-raw", 2, 3, 0, pull_raw }, { "pull-dkr", 2, 3, 0, pull_dkr }, { "list-transfers", VERB_ANY, 1, 0, list_transfers }, { "cancel-transfer", 2, VERB_ANY, 0, cancel_transfer }, {} }; return dispatch_verb(argc, argv, verbs, bus); } int main(int argc, char*argv[]) { _cleanup_bus_close_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; r = bus_open_transport(arg_transport, arg_host, false, &bus); if (r < 0) { log_error_errno(r, "Failed to create bus connection: %m"); goto finish; } r = machinectl_main(argc, argv, bus); finish: pager_close(); polkit_agent_close(); strv_free(arg_property); return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; }