X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fmachine%2Fmachinectl.c;h=dbfc24541efdde2fd700df0f6bcd7130b046d206;hp=4eebcb7716051a3f6e5d1b9fdcbaabd753f36376;hb=e45fc5e738b0b7700e8b4f3c4b25c58a49b44b27;hpb=9b15b7846d4de01bb5d9700a24077787e984e8ab diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c index 4eebcb771..dbfc24541 100644 --- a/src/machine/machinectl.c +++ b/src/machine/machinectl.c @@ -38,12 +38,14 @@ #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" @@ -63,23 +65,62 @@ 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 void pager_open_if_enabled(void) { - /* Cache result before we open the pager */ 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) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + 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; - unsigned k = 0; int r; assert(bus); @@ -100,17 +141,33 @@ static int list_machines(int argc, char *argv[], void *userdata) { return r; } - if (arg_legend) - printf("%-32s %-9s %-16s\n", "MACHINE", "CONTAINER", "SERVICE"); - r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssso)"); if (r < 0) return bus_log_parse_error(r); while ((r = sd_bus_message_read(reply, "(ssso)", &name, &class, &service, &object)) > 0) { - printf("%-32s %-9s %-16s\n", name, class, service); + 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; - k++; + l = strlen(service); + if (l > max_service) + max_service = l; + + n_machines ++; } if (r < 0) return bus_log_parse_error(r); @@ -119,8 +176,22 @@ static int list_machines(int argc, char *argv[], void *userdata) { if (r < 0) return bus_log_parse_error(r); + qsort_safe(machines, n_machines, sizeof(MachineInfo), compare_machine_info); + if (arg_legend) - printf("\n%u machines listed.\n", k); + 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; } @@ -129,6 +200,9 @@ 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) { @@ -140,14 +214,14 @@ static int compare_image_info(const void *a, const void *b) { 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"); + size_t max_name = strlen("NAME"), max_type = strlen("TYPE"), max_size = strlen("SIZE"), 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; - int read_only; - int r; + uint64_t crtime, mtime, size; + int read_only, r; assert(bus); @@ -167,11 +241,13 @@ static int list_images(int argc, char *argv[], void *userdata) { return r; } - r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssbo)"); + 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, "(ssbo)", &name, &type, &read_only, &object)) > 0) { + 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; @@ -182,12 +258,35 @@ static int list_images(int argc, char *argv[], void *userdata) { 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 (strlen(name) > max_name) - max_name = strlen(name); + if (mtime != 0) { + l = strlen(strna(format_timestamp(buf, sizeof(buf), mtime))); + if (l > max_mtime) + max_mtime = l; + } - if (strlen(type) > max_type) - max_type = strlen(type); + if (size != (uint64_t) -1) { + l = strlen(strna(format_bytes(buf, sizeof(buf), size))); + if (l > max_size) + max_size = l; + } n_images++; } @@ -201,19 +300,26 @@ static int list_images(int argc, char *argv[], void *userdata) { qsort_safe(images, n_images, sizeof(ImageInfo), compare_image_info); if (arg_legend) - printf("%-*s %-*s %-3s\n", (int) max_name, "NAME", (int) max_type, "TYPE", "RO"); + printf("%-*s %-*s %-3s %-*s %-*s %-*s\n", + (int) max_name, "NAME", + (int) max_type, "TYPE", + "RO", + (int) max_size, "SIZE", + (int) max_crtime, "CREATED", + (int) max_mtime, "MODIFIED"); for (j = 0; j < n_images; j++) { - printf("%-*s %-*s %-3s\n", + 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, - yes_no(images[j].read_only)); + 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 (r < 0) - return bus_log_parse_error(r); - - if (arg_legend) printf("\n%zu images listed.\n", n_images); @@ -225,7 +331,7 @@ static int show_unit_cgroup(sd_bus *bus, const char *unit, pid_t leader) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_free_ char *path = NULL; const char *cgroup; - int r, output_flags; + int r; unsigned c; assert(bus); @@ -262,17 +368,13 @@ static int show_unit_cgroup(sd_bus *bus, const char *unit, pid_t leader) { if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup, false) != 0 && leader <= 0) return 0; - output_flags = - arg_all * OUTPUT_SHOW_ALL | - arg_full * OUTPUT_FULL_WIDTH; - 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, output_flags); + show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, "\t\t ", c, false, &leader, leader > 0, get_output_flags()); return 0; } @@ -387,7 +489,7 @@ typedef struct MachineStatusInfo { char *unit; char *root_directory; pid_t leader; - usec_t timestamp; + struct dual_timestamp timestamp; int *netif; unsigned n_netif; } MachineStatusInfo; @@ -407,8 +509,8 @@ static void print_machine_status_info(sd_bus *bus, MachineStatusInfo *i) { else putchar('\n'); - s1 = format_timestamp_relative(since1, sizeof(since1), i->timestamp); - s2 = format_timestamp(since2, sizeof(since2), i->timestamp); + 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); @@ -472,6 +574,22 @@ static void print_machine_status_info(sd_bus *bus, MachineStatusInfo *i) { 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); + } } } @@ -496,18 +614,19 @@ static int map_netif(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_ return 0; } -static int show_info(const char *verb, sd_bus *bus, const char *path, bool *new_line) { +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) }, - { "Id", "ay", bus_map_id128, offsetof(MachineStatusInfo, id) }, - { "NetworkInterfaces", "ai", map_netif, 0 }, + { "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 }, {} }; @@ -543,7 +662,7 @@ static int show_info(const char *verb, sd_bus *bus, const char *path, bool *new_ return r; } -static int show_properties(sd_bus *bus, const char *path, bool *new_line) { +static int show_machine_properties(sd_bus *bus, const char *path, bool *new_line) { int r; assert(bus); @@ -562,7 +681,7 @@ static int show_properties(sd_bus *bus, const char *path, bool *new_line) { return r; } -static int show(int argc, char *argv[], void *userdata) { +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; @@ -580,7 +699,7 @@ static int show(int argc, char *argv[], void *userdata) { /* If no argument is specified, inspect the manager * itself */ - r = show_properties(bus, "/org/freedesktop/machine1", &new_line); + r = show_machine_properties(bus, "/org/freedesktop/machine1", &new_line); if (r < 0) return r; } @@ -607,9 +726,193 @@ static int show(int argc, char *argv[], void *userdata) { return bus_log_parse_error(r); if (properties) - r = show_properties(bus, path, &new_line); + 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 size; + uint64_t limit; + uint64_t size_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->size); + s4 = i->size_exclusive != i->size ? format_bytes(bs_exclusive, sizeof(bs_exclusive), i->size_exclusive) : NULL; + if (s3 && s4) + printf("\t Size: %s (exclusive: %s)\n", s3, s4); + else if (s3) + printf("\t Size: %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) }, + { "Size", "t", NULL, offsetof(ImageStatusInfo, size) }, + { "Limit", "t", NULL, offsetof(ImageStatusInfo, limit) }, + { "SizeExclusive", "t", NULL, offsetof(ImageStatusInfo, size_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_info(argv[0], bus, path, &new_line); + r = show_image_info(argv[0], bus, path, &new_line); } return r; @@ -622,6 +925,8 @@ static int kill_machine(int argc, char *argv[], void *userdata) { assert(bus); + polkit_agent_open_if_enabled(); + if (!arg_kill_who) arg_kill_who = "all"; @@ -667,6 +972,8 @@ static int terminate_machine(int argc, char *argv[], void *userdata) { assert(bus); + polkit_agent_open_if_enabled(); + for (i = 1; i < argc; i++) { int r; @@ -1010,114 +1317,54 @@ finish: return r; } -static int openpt_in_namespace(pid_t pid, int flags) { - _cleanup_close_pair_ int pair[2] = { -1, -1 }; - _cleanup_close_ int pidnsfd = -1, mntnsfd = -1, rootfd = -1; - union { - struct cmsghdr cmsghdr; - uint8_t buf[CMSG_SPACE(sizeof(int))]; - } control = {}; - struct msghdr mh = { - .msg_control = &control, - .msg_controllen = sizeof(control), - }; - struct cmsghdr *cmsg; - int master = -1, r; - pid_t child; - siginfo_t si; - - assert(pid > 0); - - r = namespace_open(pid, &pidnsfd, &mntnsfd, NULL, &rootfd); - if (r < 0) - return r; - - if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0) - return -errno; - - child = fork(); - if (child < 0) - return -errno; - - if (child == 0) { - pair[0] = safe_close(pair[0]); - - r = namespace_enter(pidnsfd, mntnsfd, -1, rootfd); - if (r < 0) - _exit(EXIT_FAILURE); - - master = posix_openpt(flags); - if (master < 0) - _exit(EXIT_FAILURE); +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; - cmsg = CMSG_FIRSTHDR(&mh); - cmsg->cmsg_level = SOL_SOCKET; - cmsg->cmsg_type = SCM_RIGHTS; - cmsg->cmsg_len = CMSG_LEN(sizeof(int)); - memcpy(CMSG_DATA(cmsg), &master, sizeof(int)); + assert(bus); + assert(m); + assert(forward); - mh.msg_controllen = cmsg->cmsg_len; + 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. */ - if (sendmsg(pair[1], &mh, MSG_NOSIGNAL) < 0) - _exit(EXIT_FAILURE); + r = pty_forward_set_ignore_vhangup(*forward, false); + if (r >= 0) + return 0; - _exit(EXIT_SUCCESS); + log_error_errno(r, "Failed to set ignore_vhangup flag: %m"); } - pair[1] = safe_close(pair[1]); - - r = wait_for_terminate(child, &si); - if (r < 0) - return r; - if (si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS) - return -EIO; - - if (recvmsg(pair[0], &mh, MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) < 0) - return -errno; - - for (cmsg = CMSG_FIRSTHDR(&mh); cmsg; cmsg = CMSG_NXTHDR(&mh, cmsg)) - if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) { - int *fds; - unsigned n_fds; - - fds = (int*) CMSG_DATA(cmsg); - n_fds = (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int); - - if (n_fds != 1) { - close_many(fds, n_fds); - return -EIO; - } - - master = fds[0]; - } - - if (master < 0) - return -EIO; - - return master; + /* 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 *reply = NULL; - _cleanup_bus_close_unref_ sd_bus *container_bus = 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; - _cleanup_close_ int master = -1; - _cleanup_free_ char *getty = NULL; + int master = -1, r, ret = 0; sd_bus *bus = userdata; - const char *pty, *p; - pid_t leader; + const char *pty, *match; sigset_t mask; - int r, ret = 0; + char last_char = 0; + bool machine_died; assert(bus); - if (arg_transport != BUS_TRANSPORT_LOCAL) { + 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"); @@ -1126,54 +1373,51 @@ static int login_machine(int argc, char *argv[], void *userdata) { if (r < 0) return log_error_errno(r, "Failed to attach bus to event loop: %m"); - r = machine_get_leader(bus, argv[1], &leader); - if (r < 0) - return r; - - master = openpt_in_namespace(leader, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NDELAY); - if (master < 0) - return log_error_errno(master, "Failed to acquire pseudo tty: %m"); - - pty = ptsname(master); - if (!pty) - return log_error_errno(errno, "Failed to get pty name: %m"); + match = strappenda("type='signal'," + "sender='org.freedesktop.machine1'," + "path='/org/freedesktop/machine1',", + "interface='org.freedesktop.machine1.Manager'," + "member='MachineRemoved'," + "arg0='", + argv[1], + "'"); - p = startswith(pty, "/dev/pts/"); - if (!p) { - log_error("Invalid pty name %s.", pty); - return -EIO; - } - - r = sd_bus_open_system_container(&container_bus, 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 log_error_errno(r, "Failed to get container bus: %m"); + return bus_log_create_error(r); - getty = strjoin("container-getty@", p, ".service", NULL); - if (!getty) - return log_oom(); + r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); + if (r < 0) + return bus_log_create_error(r); - if (unlockpt(master) < 0) - return log_error_errno(errno, "Failed to unlock tty: %m"); + r = sd_bus_message_append(m, "s", argv[1]); + if (r < 0) + return bus_log_create_error(r); - r = sd_bus_call_method(container_bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "StartUnit", - &error, &reply, - "ss", getty, "replace"); + r = sd_bus_call(bus, m, 0, &error, &reply); if (r < 0) { - log_error("Failed to start getty service: %s", bus_error_message(&error, r)); + log_error("Failed to get machine PTY: %s", bus_error_message(&error, -r)); return r; } - container_bus = sd_bus_unref(container_bus); + r = sd_bus_message_read(reply, "hs", &master, &pty); + if (r < 0) + return bus_log_parse_error(r); assert_se(sigemptyset(&mask) == 0); sigset_add_many(&mask, SIGWINCH, SIGTERM, SIGINT, -1); assert_se(sigprocmask(SIG_BLOCK, &mask, NULL) == 0); - log_info("Connected to container %s. Press ^] three times within 1s to exit session.", argv[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); @@ -1186,16 +1430,308 @@ static int login_machine(int argc, char *argv[], void *userdata) { 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); - fputc('\n', stdout); + if (last_char != '\n') + fputc('\n', stdout); - log_info("Connection to container %s terminated.", argv[1]); + 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 help(int argc, char *argv[], void *userdata) { printf("%s [OPTIONS...] {COMMAND} ...\n\n" @@ -1205,29 +1741,44 @@ static int help(int argc, char *argv[], void *userdata) { " --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" + " --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\n" "Machine Commands:\n" " list List running VMs and containers\n" - " status NAME... Show VM/container status\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" - " kill NAME... Send signal to processes of a VM/container\n" " terminate NAME... Terminate one or more VMs/containers\n" - " bind NAME PATH [PATH] Bind mount a path from the host into a container\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\n" - "Image commands:\n" - " list-images Show available images\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 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", program_invocation_short_name); return 0; @@ -1242,6 +1793,7 @@ static int parse_argv(int argc, char *argv[]) { ARG_KILL_WHO, ARG_READ_ONLY, ARG_MKDIR, + ARG_NO_ASK_PASSWORD, }; static const struct option options[] = { @@ -1258,6 +1810,10 @@ static int parse_argv(int argc, char *argv[]) { { "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 }, {} }; @@ -1266,7 +1822,7 @@ static int parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "hp:als:H:M:", options, NULL)) >= 0) + while ((c = getopt_long(argc, argv, "hp:als:H:M:qn:o:", options, NULL)) >= 0) switch (c) { @@ -1297,6 +1853,21 @@ static int parse_argv(int argc, char *argv[]) { 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; @@ -1317,13 +1888,17 @@ static int parse_argv(int argc, char *argv[]) { } 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_CONTAINER; + arg_transport = BUS_TRANSPORT_MACHINE; arg_host = optarg; break; @@ -1335,6 +1910,10 @@ static int parse_argv(int argc, char *argv[]) { arg_mkdir = true; break; + case 'q': + arg_quiet = true; + break; + case '?': return -EINVAL; @@ -1351,8 +1930,10 @@ static int machinectl_main(int argc, char *argv[], sd_bus *bus) { { "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 }, - { "show", VERB_ANY, VERB_ANY, 0, show }, + { "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 }, @@ -1361,6 +1942,13 @@ static int machinectl_main(int argc, char *argv[], sd_bus *bus) { { "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 }, {} }; @@ -1389,6 +1977,7 @@ int main(int argc, char*argv[]) { finish: pager_close(); + polkit_agent_close(); strv_free(arg_property);