/*** 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 "sd-bus.h" #include "alloc-util.h" #include "bus-common-errors.h" #include "bus-error.h" #include "bus-unit-util.h" #include "bus-util.h" #include "cgroup-show.h" #include "cgroup-util.h" #include "copy.h" #include "env-util.h" #include "fd-util.h" #include "hostname-util.h" #include "import-util.h" #include "log.h" #include "logs-show.h" #include "macro.h" #include "mkdir.h" #include "pager.h" #include "parse-util.h" #include "path-util.h" #include "process-util.h" #include "ptyfwd.h" #include "signal-util.h" #include "spawn-polkit-agent.h" #include "strv.h" #include "terminal-util.h" #include "unit-name.h" #include "util.h" #include "verbs.h" #include "web-util.h" #include "stdio-util.h" #define ALL_IP_ADDRESSES -1 static char **arg_property = NULL; static bool arg_all = false; static bool arg_value = 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_format = NULL; static const char *arg_uid = NULL; static char **arg_setenv = NULL; static int arg_addrs = 1; static int print_addresses(sd_bus *bus, const char *name, int, const char *pr1, const char *pr2, int n_addr); 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 | colors_enabled() * OUTPUT_COLOR | !arg_quiet * OUTPUT_WARN_CUTOFF; } typedef struct MachineInfo { const char *name; const char *class; const char *service; char *os; char *version_id; } 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 void clean_machine_info(MachineInfo *machines, size_t n_machines) { size_t i; if (!machines || n_machines == 0) return; for (i = 0; i < n_machines; i++) { free(machines[i].os); free(machines[i].version_id); } free(machines); } static int call_get_os_release(sd_bus *bus, const char *method, const char *name, const char *query, ...) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; const char *k, *v, *iter, **query_res = NULL; size_t count = 0, awaited_args = 0; va_list ap; int r; assert(bus); assert(name); assert(query); NULSTR_FOREACH(iter, query) awaited_args++; query_res = newa0(const char *, awaited_args); r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", method, 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) { count = 0; NULSTR_FOREACH(iter, query) { if (streq(k, iter)) { query_res[count] = v; break; } count++; } } 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); va_start(ap, query); for (count = 0; count < awaited_args; count++) { char *val, **out; out = va_arg(ap, char **); assert(out); if (query_res[count]) { val = strdup(query_res[count]); if (!val) { va_end(ap); return -ENOMEM; } *out = val; } } va_end(ap); return 0; } static int list_machines(int argc, char *argv[], void *userdata) { size_t max_name = strlen("MACHINE"), max_class = strlen("CLASS"), max_service = strlen("SERVICE"), max_os = strlen("OS"), max_version_id = strlen("VERSION"); _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; _cleanup_free_ char *prefix = NULL; 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(arg_no_pager, false); 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 (name[0] == '.' && !arg_all) continue; if (!GREEDY_REALLOC0(machines, n_allocated, n_machines + 1)) { r = log_oom(); goto out; } machines[n_machines].name = name; machines[n_machines].class = class; machines[n_machines].service = service; (void) call_get_os_release( bus, "GetMachineOSRelease", name, "ID\0" "VERSION_ID\0", &machines[n_machines].os, &machines[n_machines].version_id); 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; l = machines[n_machines].os ? strlen(machines[n_machines].os) : 1; if (l > max_os) max_os = l; l = machines[n_machines].version_id ? strlen(machines[n_machines].version_id) : 1; if (l > max_version_id) max_version_id = l; n_machines++; } if (r < 0) { r = bus_log_parse_error(r); goto out; } r = sd_bus_message_exit_container(reply); if (r < 0) { r = bus_log_parse_error(r); goto out; } qsort_safe(machines, n_machines, sizeof(MachineInfo), compare_machine_info); /* Allocate for prefix max characters for all fields + spaces between them + strlen(",\n") */ r = asprintf(&prefix, "%-*s", (int) (max_name + max_class + max_service + max_os + max_version_id + 5 + strlen(",\n")), ",\n"); if (r < 0) { r = log_oom(); goto out; } if (arg_legend && n_machines > 0) printf("%-*s %-*s %-*s %-*s %-*s %s\n", (int) max_name, "MACHINE", (int) max_class, "CLASS", (int) max_service, "SERVICE", (int) max_os, "OS", (int) max_version_id, "VERSION", "ADDRESSES"); for (j = 0; j < n_machines; j++) { printf("%-*s %-*s %-*s %-*s %-*s ", (int) max_name, machines[j].name, (int) max_class, machines[j].class, (int) max_service, strdash_if_empty(machines[j].service), (int) max_os, strdash_if_empty(machines[j].os), (int) max_version_id, strdash_if_empty(machines[j].version_id)); r = print_addresses(bus, machines[j].name, 0, "", prefix, arg_addrs); if (r <= 0) /* error or no addresses defined? */ fputs("-\n", stdout); else fputc('\n', stdout); } if (arg_legend) { if (n_machines > 0) printf("\n%zu machines listed.\n", n_machines); else printf("No machines.\n"); } out: clean_machine_info(machines, n_machines); return r; } 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_(sd_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_(sd_bus_message_unrefp) 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(arg_no_pager, false); 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 && n_images > 0) 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_normal() : "", (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) { if (n_images > 0) printf("\n%zu images listed.\n", n_images); else printf("No images.\n"); } return 0; } static int show_unit_cgroup(sd_bus *bus, const char *unit, pid_t leader) { _cleanup_free_ char *cgroup = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; int r; unsigned c; assert(bus); assert(unit); r = show_cgroup_get_unit_path_and_warn(bus, unit, &cgroup); if (r < 0) return r; if (isempty(cgroup)) return 0; c = columns(); if (c > 18) c -= 18; else c = 0; r = unit_show_processes(bus, unit, cgroup, "\t\t ", c, get_output_flags(), &error); if (r == -EBADR) { if (arg_transport == BUS_TRANSPORT_REMOTE) return 0; /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */ if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup) != 0 && leader <= 0) return 0; show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, "\t\t ", c, &leader, leader > 0, get_output_flags()); } else if (r < 0) return log_error_errno(r, "Failed to dump process list: %s", bus_error_message(&error, r)); return 0; } static int print_addresses(sd_bus *bus, const char *name, int ifi, const char *prefix, const char *prefix2, int n_addr) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; _cleanup_free_ char *addresses = NULL; bool truncate = false; unsigned n = 0; 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; addresses = strdup(prefix); if (!addresses) return log_oom(); prefix = ""; 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 buf_ifi[DECIMAL_STR_MAX(int) + 2], 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); if (n_addr != 0) { if (family == AF_INET6 && ifi > 0) xsprintf(buf_ifi, "%%%i", ifi); else strcpy(buf_ifi, ""); if (!strextend(&addresses, prefix, inet_ntop(family, a, buffer, sizeof(buffer)), buf_ifi, NULL)) return log_oom(); } else truncate = true; r = sd_bus_message_exit_container(reply); if (r < 0) return bus_log_parse_error(r); if (prefix != prefix2) prefix = prefix2; if (n_addr > 0) n_addr -= 1; n++; } 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 (n > 0) fprintf(stdout, "%s%s", addresses, truncate ? "..." : ""); return (int) n; } static int print_os_release(sd_bus *bus, const char *method, const char *name, const char *prefix) { _cleanup_free_ char *pretty = NULL; int r; assert(bus); assert(name); assert(prefix); r = call_get_os_release(bus, method, name, "PRETTY_NAME\0", &pretty, NULL); if (r < 0) return r; if (pretty) printf("%s%s\n", prefix, pretty); return 0; } static int print_uid_shift(sd_bus *bus, const char *name) { _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; uint32_t shift; int r; assert(bus); assert(name); r = sd_bus_call_method(bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "GetMachineUIDShift", &error, &reply, "s", name); if (r < 0) return log_debug_errno(r, "Failed to query UID/GID shift: %s", bus_error_message(&error, r)); r = sd_bus_message_read(reply, "u", &shift); if (r < 0) return r; if (shift == 0) /* Don't show trivial mappings */ return 0; printf(" UID Shift: %" PRIu32 "\n", shift); 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 machine_status_info_clear(MachineStatusInfo *info) { if (info) { free(info->name); free(info->class); free(info->service); free(info->unit); free(info->root_directory); free(info->netif); zero(*info); } } 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_is_null(i->id)) 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); } if (print_addresses(bus, i->name, ifi, "\t Address: ", "\n\t ", ALL_IP_ADDRESSES) > 0) fputc('\n', stdout); print_os_release(bus, "GetMachineOSRelease", i->name, "\t OS: "); print_uid_shift(bus, i->name); 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 }, {} }; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(machine_status_info_clear) MachineStatusInfo info = {}; int r; assert(verb); assert(bus); assert(path); assert(new_line); r = bus_map_all_properties(bus, "org.freedesktop.machine1", path, map, &error, &info); if (r < 0) return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r)); if (*new_line) printf("\n"); *new_line = true; print_machine_status_info(bus, &info); 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_value, 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_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(sd_bus_message_unrefp) 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(arg_no_pager, false); 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 image_status_info_clear(ImageStatusInfo *info) { if (info) { free(info->name); free(info->path); free(info->type); zero(*info); } } 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); print_os_release(bus, "GetImageOSRelease", i->name, "\t OS: "); printf("\t RO: %s%s%s\n", i->read_only ? ansi_highlight_red() : "", i->read_only ? "read-only" : "writable", i->read_only ? ansi_normal() : ""); 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(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) }, {} }; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(image_status_info_clear) ImageStatusInfo info = {}; int r; assert(bus); assert(path); assert(new_line); r = bus_map_all_properties(bus, "org.freedesktop.machine1", path, map, &error, &info); if (r < 0) return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r)); if (*new_line) printf("\n"); *new_line = true; print_image_status_info(bus, &info); return r; } typedef struct PoolStatusInfo { char *path; uint64_t usage; uint64_t limit; } PoolStatusInfo; static void pool_status_info_clear(PoolStatusInfo *info) { if (info) { free(info->path); zero(*info); info->usage = -1; info->limit = -1; } } static void print_pool_status_info(sd_bus *bus, PoolStatusInfo *i) { char bs[FORMAT_BYTES_MAX], *s; if (i->path) printf("\t Path: %s\n", i->path); s = format_bytes(bs, sizeof(bs), i->usage); if (s) printf("\t Usage: %s\n", s); s = format_bytes(bs, sizeof(bs), i->limit); if (s) printf("\t Limit: %s\n", s); } static int show_pool_info(sd_bus *bus) { static const struct bus_properties_map map[] = { { "PoolPath", "s", NULL, offsetof(PoolStatusInfo, path) }, { "PoolUsage", "t", NULL, offsetof(PoolStatusInfo, usage) }, { "PoolLimit", "t", NULL, offsetof(PoolStatusInfo, limit) }, {} }; _cleanup_(pool_status_info_clear) PoolStatusInfo info = { .usage = (uint64_t) -1, .limit = (uint64_t) -1, }; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; int r; assert(bus); r = bus_map_all_properties(bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", map, &error, &info); if (r < 0) return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r)); print_pool_status_info(bus, &info); return 0; } 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_value, 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_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(sd_bus_message_unrefp) 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(arg_no_pager, false); if (argc <= 1) { /* If no argument is specified, inspect the manager * itself */ if (properties) r = show_image_properties(bus, "/org/freedesktop/machine1", &new_line); else r = show_pool_info(bus); 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(bus, path, &new_line); } return r; } static int kill_machine(int argc, char *argv[], void *userdata) { _cleanup_(sd_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(); if (!arg_kill_who) arg_kill_who = "all"; for (i = 1; i < argc; i++) { 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_(sd_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", "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 copy_files(int argc, char *argv[], void *userdata) { _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; _cleanup_free_ char *abs_host_path = NULL; char *dest, *host_path, *container_path; sd_bus *bus = userdata; bool copy_from; int r; assert(bus); polkit_agent_open_if_enabled(); copy_from = streq(argv[0], "copy-from"); dest = argv[3] ?: argv[2]; host_path = copy_from ? dest : argv[2]; container_path = copy_from ? argv[2] : dest; if (!path_is_absolute(host_path)) { r = path_make_absolute_cwd(host_path, &abs_host_path); if (r < 0) return log_error_errno(r, "Failed to make path absolute: %m"); host_path = abs_host_path; } r = sd_bus_message_new_method_call( bus, &m, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", copy_from ? "CopyFromMachine" : "CopyToMachine"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append( m, "sss", argv[1], copy_from ? container_path : host_path, copy_from ? host_path : container_path); if (r < 0) return bus_log_create_error(r); /* This is a slow operation, hence turn off any method call timeouts */ r = sd_bus_call(bus, m, USEC_INFINITY, &error, NULL); if (r < 0) return log_error_errno(r, "Failed to copy: %s", bus_error_message(&error, r)); return 0; } static int bind_mount(int argc, char *argv[], void *userdata) { _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus *bus = userdata; int r; assert(bus); polkit_agent_open_if_enabled(); r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "BindMountMachine", &error, NULL, "sssbb", argv[1], argv[2], argv[3], arg_read_only, arg_mkdir); if (r < 0) { log_error("Failed to bind mount: %s", bus_error_message(&error, -r)); return r; } return 0; } static int on_machine_removed(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { PTYForward ** forward = (PTYForward**) userdata; int r; 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(sd_bus_message_get_bus(m)), EXIT_FAILURE); return 0; } static int process_forward(sd_event *event, PTYForward **forward, int master, PTYForwardFlags flags, const char *name) { char last_char = 0; bool machine_died; int ret = 0, r; assert(event); assert(master >= 0); assert(name); assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGWINCH, SIGTERM, SIGINT, -1) >= 0); if (!arg_quiet) { if (streq(name, ".host")) log_info("Connected to the local host. Press ^] three times within 1s to exit session."); else log_info("Connected to machine %s. Press ^] three times within 1s to exit session.", name); } sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); r = pty_forward_new(event, master, flags, 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 = (flags & PTY_FORWARD_IGNORE_VHANGUP) && pty_forward_get_ignore_vhangup(*forward) == 0; *forward = pty_forward_free(*forward); if (last_char != '\n') fputc('\n', stdout); if (!arg_quiet) { if (machine_died) log_info("Machine %s terminated.", name); else if (streq(name, ".host")) log_info("Connection to the local host terminated."); else log_info("Connection to machine %s terminated.", name); } sd_event_get_exit_code(event, &ret); return ret; } static int parse_machine_uid(const char *spec, const char **machine, char **uid) { /* * Whatever is specified in the spec takes priority over global arguments. */ char *_uid = NULL; const char *_machine = NULL; if (spec) { const char *at; at = strchr(spec, '@'); if (at) { if (at == spec) /* Do the same as ssh and refuse "@host". */ return -EINVAL; _machine = at + 1; _uid = strndup(spec, at - spec); if (!_uid) return -ENOMEM; } else _machine = spec; }; if (arg_uid && !_uid) { _uid = strdup(arg_uid); if (!_uid) return -ENOMEM; } *uid = _uid; *machine = isempty(_machine) ? ".host" : _machine; return 0; } static int login_machine(int argc, char *argv[], void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(pty_forward_freep) PTYForward *forward = NULL; _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot = NULL; _cleanup_(sd_event_unrefp) sd_event *event = NULL; int master = -1, r; sd_bus *bus = userdata; const char *pty, *match, *machine; assert(bus); if (!strv_isempty(arg_setenv) || arg_uid) { log_error("--setenv= and --uid= are not supported for 'login'. Use 'shell' instead."); return -EINVAL; } if (arg_transport != BUS_TRANSPORT_LOCAL && arg_transport != BUS_TRANSPORT_MACHINE) { log_error("Login only supported on local machines."); return -EOPNOTSUPP; } 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"); machine = argc < 2 || isempty(argv[1]) ? ".host" : argv[1]; match = strjoina("type='signal'," "sender='org.freedesktop.machine1'," "path='/org/freedesktop/machine1',", "interface='org.freedesktop.machine1.Manager'," "member='MachineRemoved'," "arg0='", machine, "'"); 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_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "OpenMachineLogin", &error, &reply, "s", machine); if (r < 0) { log_error("Failed to get login 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); return process_forward(event, &forward, master, PTY_FORWARD_IGNORE_VHANGUP, machine); } static int shell_machine(int argc, char *argv[], void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(pty_forward_freep) PTYForward *forward = NULL; _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot = NULL; _cleanup_(sd_event_unrefp) sd_event *event = NULL; int master = -1, r; sd_bus *bus = userdata; const char *pty, *match, *machine, *path; _cleanup_free_ char *uid = NULL; assert(bus); if (arg_transport != BUS_TRANSPORT_LOCAL && arg_transport != BUS_TRANSPORT_MACHINE) { log_error("Shell only supported on local machines."); return -EOPNOTSUPP; } /* Pass $TERM to shell session, if not explicitly specified. */ if (!strv_find_prefix(arg_setenv, "TERM=")) { const char *t; t = strv_find_prefix(environ, "TERM="); if (t) { if (strv_extend(&arg_setenv, t) < 0) return log_oom(); } } 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 = parse_machine_uid(argc >= 2 ? argv[1] : NULL, &machine, &uid); if (r < 0) return log_error_errno(r, "Failed to parse machine specification: %m"); match = strjoina("type='signal'," "sender='org.freedesktop.machine1'," "path='/org/freedesktop/machine1',", "interface='org.freedesktop.machine1.Manager'," "member='MachineRemoved'," "arg0='", machine, "'"); 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", "OpenMachineShell"); if (r < 0) return bus_log_create_error(r); path = argc < 3 || isempty(argv[2]) ? NULL : argv[2]; r = sd_bus_message_append(m, "sss", machine, uid, path); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append_strv(m, strv_length(argv) <= 3 ? NULL : argv + 2); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append_strv(m, arg_setenv); 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 shell 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); return process_forward(event, &forward, master, 0, machine); } static int remove_image(int argc, char *argv[], void *userdata) { sd_bus *bus = userdata; int r, i; assert(bus); polkit_agent_open_if_enabled(); for (i = 1; i < argc; i++) { _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; r = sd_bus_message_new_method_call( bus, &m, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "RemoveImage"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append(m, "s", argv[i]); if (r < 0) return bus_log_create_error(r); /* This is a slow operation, hence turn off any method call timeouts */ r = sd_bus_call(bus, m, USEC_INFINITY, &error, NULL); if (r < 0) return log_error_errno(r, "Could not remove image: %s", bus_error_message(&error, r)); } return 0; } static int rename_image(int argc, char *argv[], void *userdata) { _cleanup_(sd_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_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; sd_bus *bus = userdata; int r; polkit_agent_open_if_enabled(); r = sd_bus_message_new_method_call( bus, &m, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "CloneImage"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append(m, "ssb", argv[1], argv[2], arg_read_only); if (r < 0) return bus_log_create_error(r); /* This is a slow operation, hence turn off any method call timeouts */ r = sd_bus_call(bus, m, USEC_INFINITY, &error, NULL); if (r < 0) return log_error_errno(r, "Could not clone image: %s", bus_error_message(&error, r)); return 0; } static int read_only_image(int argc, char *argv[], void *userdata) { _cleanup_(sd_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 image_exists(sd_bus *bus, const char *name) { _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; int r; assert(bus); assert(name); r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "GetImage", &error, NULL, "s", name); if (r < 0) { if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_IMAGE)) return 0; return log_error_errno(r, "Failed to check whether image %s exists: %s", name, bus_error_message(&error, -r)); } return 1; } static int make_service_name(const char *name, char **ret) { int r; assert(name); assert(ret); if (!machine_name_is_valid(name)) { log_error("Invalid machine name %s.", name); return -EINVAL; } r = unit_name_build("systemd-nspawn", name, ".service", ret); if (r < 0) return log_error_errno(r, "Failed to build unit name: %m"); return 0; } static int start_machine(int argc, char *argv[], void *userdata) { _cleanup_(sd_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_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; _cleanup_free_ char *unit = NULL; const char *object; r = make_service_name(argv[i], &unit); if (r < 0) return r; r = image_exists(bus, argv[i]); if (r < 0) return r; if (r == 0) { log_error("Machine image '%s' does not exist.", argv[1]); return -ENXIO; } r = sd_bus_call_method( bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "StartUnit", &error, &reply, "ss", unit, "fail"); 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, NULL); if (r < 0) return r; return 0; } static int enable_machine(int argc, char *argv[], void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; UnitFileChange *changes = NULL; unsigned n_changes = 0; 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_open_container(m, 'a', "s"); if (r < 0) return bus_log_create_error(r); for (i = 1; i < argc; i++) { _cleanup_free_ char *unit = NULL; r = make_service_name(argv[i], &unit); if (r < 0) return r; r = image_exists(bus, argv[i]); if (r < 0) return r; if (r == 0) { log_error("Machine image '%s' does not exist.", argv[1]); return -ENXIO; } 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, &changes, &n_changes); if (r < 0) goto finish; r = sd_bus_call_method( bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "Reload", &error, NULL, NULL); if (r < 0) { log_error("Failed to reload daemon: %s", bus_error_message(&error, -r)); goto finish; } r = 0; finish: unit_file_changes_free(changes, n_changes); return r; } static int match_log_message(sd_bus_message *m, void *userdata, sd_bus_error *error) { const char **our_path = userdata, *line; unsigned priority; int r; 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_message *m, void *userdata, sd_bus_error *error) { const char **our_path = userdata, *path, *result; uint32_t id; int r; 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(sd_bus_message_get_bus(m)), !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 transfer_image_common(sd_bus *bus, sd_bus_message *m) { _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_job_removed = NULL, *slot_log_message = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; _cleanup_(sd_event_unrefp) 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_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 to transfer 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); assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); 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 import_tar(int argc, char *argv[], void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; _cleanup_free_ char *ll = NULL; _cleanup_close_ int fd = -1; const char *local = NULL, *path = NULL; sd_bus *bus = userdata; int r; assert(bus); if (argc >= 2) path = argv[1]; if (isempty(path) || streq(path, "-")) path = NULL; if (argc >= 3) local = argv[2]; else if (path) local = basename(path); if (isempty(local) || streq(local, "-")) local = NULL; if (!local) { log_error("Need either path or local name."); return -EINVAL; } r = tar_strip_suffixes(local, &ll); if (r < 0) return log_oom(); local = ll; if (!machine_name_is_valid(local)) { log_error("Local name %s is not a suitable machine name.", local); return -EINVAL; } if (path) { fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY); if (fd < 0) return log_error_errno(errno, "Failed to open %s: %m", path); } r = sd_bus_message_new_method_call( bus, &m, "org.freedesktop.import1", "/org/freedesktop/import1", "org.freedesktop.import1.Manager", "ImportTar"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append( m, "hsbb", fd >= 0 ? fd : STDIN_FILENO, local, arg_force, arg_read_only); if (r < 0) return bus_log_create_error(r); return transfer_image_common(bus, m); } static int import_raw(int argc, char *argv[], void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; _cleanup_free_ char *ll = NULL; _cleanup_close_ int fd = -1; const char *local = NULL, *path = NULL; sd_bus *bus = userdata; int r; assert(bus); if (argc >= 2) path = argv[1]; if (isempty(path) || streq(path, "-")) path = NULL; if (argc >= 3) local = argv[2]; else if (path) local = basename(path); if (isempty(local) || streq(local, "-")) local = NULL; if (!local) { log_error("Need either path or local name."); return -EINVAL; } r = raw_strip_suffixes(local, &ll); if (r < 0) return log_oom(); local = ll; if (!machine_name_is_valid(local)) { log_error("Local name %s is not a suitable machine name.", local); return -EINVAL; } if (path) { fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY); if (fd < 0) return log_error_errno(errno, "Failed to open %s: %m", path); } r = sd_bus_message_new_method_call( bus, &m, "org.freedesktop.import1", "/org/freedesktop/import1", "org.freedesktop.import1.Manager", "ImportRaw"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append( m, "hsbb", fd >= 0 ? fd : STDIN_FILENO, local, arg_force, arg_read_only); if (r < 0) return bus_log_create_error(r); return transfer_image_common(bus, m); } static void determine_compression_from_filename(const char *p) { if (arg_format) return; if (!p) return; if (endswith(p, ".xz")) arg_format = "xz"; else if (endswith(p, ".gz")) arg_format = "gzip"; else if (endswith(p, ".bz2")) arg_format = "bzip2"; } static int export_tar(int argc, char *argv[], void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; _cleanup_close_ int fd = -1; const char *local = NULL, *path = NULL; sd_bus *bus = userdata; int r; assert(bus); local = argv[1]; if (!machine_name_is_valid(local)) { log_error("Machine name %s is not valid.", local); return -EINVAL; } if (argc >= 3) path = argv[2]; if (isempty(path) || streq(path, "-")) path = NULL; if (path) { determine_compression_from_filename(path); fd = open(path, O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC|O_NOCTTY, 0666); if (fd < 0) return log_error_errno(errno, "Failed to open %s: %m", path); } r = sd_bus_message_new_method_call( bus, &m, "org.freedesktop.import1", "/org/freedesktop/import1", "org.freedesktop.import1.Manager", "ExportTar"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append( m, "shs", local, fd >= 0 ? fd : STDOUT_FILENO, arg_format); if (r < 0) return bus_log_create_error(r); return transfer_image_common(bus, m); } static int export_raw(int argc, char *argv[], void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; _cleanup_close_ int fd = -1; const char *local = NULL, *path = NULL; sd_bus *bus = userdata; int r; assert(bus); local = argv[1]; if (!machine_name_is_valid(local)) { log_error("Machine name %s is not valid.", local); return -EINVAL; } if (argc >= 3) path = argv[2]; if (isempty(path) || streq(path, "-")) path = NULL; if (path) { determine_compression_from_filename(path); fd = open(path, O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC|O_NOCTTY, 0666); if (fd < 0) return log_error_errno(errno, "Failed to open %s: %m", path); } r = sd_bus_message_new_method_call( bus, &m, "org.freedesktop.import1", "/org/freedesktop/import1", "org.freedesktop.import1.Manager", "ExportRaw"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append( m, "shs", local, fd >= 0 ? fd : STDOUT_FILENO, arg_format); if (r < 0) return bus_log_create_error(r); return transfer_image_common(bus, m); } static int pull_tar(int argc, char *argv[], void *userdata) { _cleanup_(sd_bus_message_unrefp) 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_oom(); 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 transfer_image_common(bus, m); } static int pull_raw(int argc, char *argv[], void *userdata) { _cleanup_(sd_bus_message_unrefp) 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_oom(); 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 transfer_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_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; _cleanup_(sd_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(arg_no_pager, false); 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 && n_transfers > 0) 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) { if (n_transfers > 0) printf("\n%zu transfers listed.\n", n_transfers); else printf("No transfers.\n"); } return 0; } static int cancel_transfer(int argc, char *argv[], void *userdata) { _cleanup_(sd_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 set_limit(int argc, char *argv[], void *userdata) { _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus *bus = userdata; uint64_t limit; int r; if (STR_IN_SET(argv[argc-1], "-", "none", "infinity")) limit = (uint64_t) -1; else { r = parse_size(argv[argc-1], 1024, &limit); if (r < 0) return log_error("Failed to parse size: %s", argv[argc-1]); } if (argc > 2) /* With two arguments changes the quota limit of the * specified image */ r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "SetImageLimit", &error, NULL, "st", argv[1], limit); else /* With one argument changes the pool quota limit */ r = sd_bus_call_method( bus, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "SetPoolLimit", &error, NULL, "t", limit); if (r < 0) { log_error("Could not set limit: %s", bus_error_message(&error, -r)); return r; } return 0; } static int clean_images(int argc, char *argv[], void *userdata) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; uint64_t usage, total = 0; char fb[FORMAT_BYTES_MAX]; sd_bus *bus = userdata; const char *name; unsigned c = 0; int r; r = sd_bus_message_new_method_call( bus, &m, "org.freedesktop.machine1", "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", "CleanPool"); if (r < 0) return bus_log_create_error(r); r = sd_bus_message_append(m, "s", arg_all ? "all" : "hidden"); if (r < 0) return bus_log_create_error(r); /* This is a slow operation, hence permit a longer time for completion. */ r = sd_bus_call(bus, m, USEC_INFINITY, &error, &reply); if (r < 0) return log_error_errno(r, "Could not clean pool: %s", bus_error_message(&error, r)); r = sd_bus_message_enter_container(reply, 'a', "(st)"); if (r < 0) return bus_log_parse_error(r); while ((r = sd_bus_message_read(reply, "(st)", &name, &usage)) > 0) { log_info("Removed image '%s'. Freed exclusive disk space: %s", name, format_bytes(fb, sizeof(fb), usage)); total += usage; c++; } r = sd_bus_message_exit_container(reply); if (r < 0) return bus_log_parse_error(r); log_info("Removed %u images in total. Total freed exclusive disk space %s.", c, format_bytes(fb, sizeof(fb), total)); return 0; } static int help(int argc, char *argv[], void *userdata) { pager_open(arg_no_pager, false); 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" " --value When showing properties, only print the value\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" " --uid=USER Specify user ID to invoke shell as\n" " -E --setenv=VAR=VALUE Add an environment variable for shell\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" " --max-addresses=INTEGER Number of internet addresses to show at most\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\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 in a container or on the\n" " local host\n" " shell [[USER@]NAME [COMMAND...]]\n" " Invoke a shell (or other command) in a container\n" " or on the local host\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" " set-limit [NAME] BYTES Set image or pool size limit (disk quota)\n" " clean Remove hidden (or all) images\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" " import-tar FILE [NAME] Import a local TAR container image\n" " import-raw FILE [NAME] Import a local RAW container or VM image\n" " export-tar NAME [FILE] Export a TAR container image locally\n" " export-raw NAME [FILE] Export a RAW container or VM image locally\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_VALUE, ARG_KILL_WHO, ARG_READ_ONLY, ARG_MKDIR, ARG_NO_ASK_PASSWORD, ARG_VERIFY, ARG_FORCE, ARG_FORMAT, ARG_UID, ARG_NUMBER_IPS, }; 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' }, { "value", no_argument, NULL, ARG_VALUE }, { "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 }, { "format", required_argument, NULL, ARG_FORMAT }, { "uid", required_argument, NULL, ARG_UID }, { "setenv", required_argument, NULL, 'E' }, { "max-addresses", required_argument, NULL, ARG_NUMBER_IPS }, {} }; bool reorder = false; int c, r, shell = -1; assert(argc >= 0); assert(argv); for (;;) { static const char option_string[] = "-hp:als:H:M:qn:o:E:"; c = getopt_long(argc, argv, option_string + reorder, options, NULL); if (c < 0) break; switch (c) { case 1: /* getopt_long() returns 1 if "-" was the first character of the option string, and a * non-option argument was discovered. */ assert(!reorder); /* We generally are fine with the fact that getopt_long() reorders the command line, and looks * for switches after the main verb. However, for "shell" we really don't want that, since we * want that switches specified after the machine name are passed to the program to execute, * and not processed by us. To make this possible, we'll first invoke getopt_long() with * reordering disabled (i.e. with the "-" prefix in the option string), looking for the first * non-option parameter. If it's the verb "shell" we remember its position and continue * processing options. In this case, as soon as we hit the next non-option argument we found * the machine name, and stop further processing. If the first non-option argument is any other * verb than "shell" we switch to normal reordering mode and continue processing arguments * normally. */ if (shell >= 0) { /* If we already found the "shell" verb on the command line, and now found the next * non-option argument, then this is the machine name and we should stop processing * further arguments. */ optind --; /* don't process this argument, go one step back */ goto done; } if (streq(optarg, "shell")) /* Remember the position of the "shell" verb, and continue processing normally. */ shell = optind - 1; else { int saved_optind; /* OK, this is some other verb. In this case, turn on reordering again, and continue * processing normally. */ reorder = true; /* We changed the option string. getopt_long() only looks at it again if we invoke it * at least once with a reset option index. Hence, let's reset the option index here, * then invoke getopt_long() again (ignoring what it has to say, after all we most * likely already processed it), and the bump the option index so that we read the * intended argument again. */ saved_optind = optind; optind = 0; (void) getopt_long(argc, argv, option_string + reorder, options, NULL); optind = saved_optind - 1; /* go one step back, process this argument again */ } break; case 'h': return help(0, NULL, NULL); case ARG_VERSION: return version(); 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 ARG_VALUE: arg_value = 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_FORMAT: if (!STR_IN_SET(optarg, "uncompressed", "xz", "gzip", "bzip2")) { log_error("Unknown format: %s", optarg); return -EINVAL; } arg_format = optarg; break; case ARG_UID: arg_uid = optarg; break; case 'E': if (!env_assignment_is_valid(optarg)) { log_error("Environment assignment invalid: %s", optarg); return -EINVAL; } r = strv_extend(&arg_setenv, optarg); if (r < 0) return log_oom(); break; case ARG_NUMBER_IPS: if (streq(optarg, "all")) arg_addrs = ALL_IP_ADDRESSES; else if (safe_atoi(optarg, &arg_addrs) < 0) { log_error("Invalid number of IPs"); return -EINVAL; } else if (arg_addrs < 0) { log_error("Number of IPs cannot be negative"); return -EINVAL; } break; case '?': return -EINVAL; default: assert_not_reached("Unhandled option"); } } done: if (shell >= 0) { char *t; int i; /* We found the "shell" verb while processing the argument list. Since we turned off reordering of the * argument list initially let's readjust it now, and move the "shell" verb to the back. */ optind -= 1; /* place the option index where the "shell" verb will be placed */ t = argv[shell]; for (i = shell; i < optind; i++) argv[i] = argv[i+1]; argv[optind] = t; } 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", VERB_ANY, 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 }, { "stop", 2, VERB_ANY, 0, poweroff_machine }, /* Convenience alias */ { "kill", 2, VERB_ANY, 0, kill_machine }, { "login", VERB_ANY, 2, 0, login_machine }, { "shell", VERB_ANY, VERB_ANY, 0, shell_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 }, { "import-tar", 2, 3, 0, import_tar }, { "import-raw", 2, 3, 0, import_raw }, { "export-tar", 2, 3, 0, export_tar }, { "export-raw", 2, 3, 0, export_raw }, { "pull-tar", 2, 3, 0, pull_tar }, { "pull-raw", 2, 3, 0, pull_raw }, { "list-transfers", VERB_ANY, 1, 0, list_transfers }, { "cancel-transfer", 2, VERB_ANY, 0, cancel_transfer }, { "set-limit", 2, 3, 0, set_limit }, { "clean", VERB_ANY, 1, 0, clean_images }, {} }; return dispatch_verb(argc, argv, verbs, bus); } int main(int argc, char*argv[]) { 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_connect_transport(arg_transport, arg_host, false, &bus); if (r < 0) { log_error_errno(r, "Failed to create bus connection: %m"); goto finish; } sd_bus_set_allow_interactive_authorization(bus, arg_ask_password); r = machinectl_main(argc, argv, bus); finish: sd_bus_flush_close_unref(bus); pager_close(); polkit_agent_close(); strv_free(arg_property); strv_free(arg_setenv); return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; }