X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fsystemctl.c;h=7caeb6dd91bd81a54fb6a7b486f2d6b55020133d;hp=ab41566577167f3fe9997328197e831abd1ef496;hb=d76702a7b22c85c40c740a63d727a0f114e177ad;hpb=abebb5af9a7f5da77425aab1ecadd9bfcad53009 diff --git a/src/systemctl.c b/src/systemctl.c index ab4156657..7caeb6dd9 100644 --- a/src/systemctl.c +++ b/src/systemctl.c @@ -33,7 +33,6 @@ #include #include #include - #include #include "log.h" @@ -56,13 +55,15 @@ #include "bus-errors.h" #include "build.h" #include "unit-name.h" +#include "pager.h" +#include "spawn-agent.h" +#include "install.h" static const char *arg_type = NULL; static char **arg_property = NULL; static bool arg_all = false; static const char *arg_job_mode = "replace"; -static bool arg_user = false; -static bool arg_global = false; +static UnitFileScope arg_scope = UNIT_FILE_SYSTEM; static bool arg_immediate = false; static bool arg_no_block = false; static bool arg_no_pager = false; @@ -74,13 +75,14 @@ static bool arg_dry = false; static bool arg_quiet = false; static bool arg_full = false; static bool arg_force = false; -static bool arg_defaults = false; static bool arg_ask_password = false; static bool arg_failed = false; +static bool arg_runtime = false; static char **arg_wall = NULL; static const char *arg_kill_who = NULL; static const char *arg_kill_mode = NULL; static int arg_signal = SIGTERM; +static const char *arg_root = NULL; static usec_t arg_when = 0; static enum action { ACTION_INVALID, @@ -117,11 +119,7 @@ static const char *arg_host = NULL; static bool private_bus = false; -static pid_t pager_pid = 0; -static pid_t agent_pid = 0; - -static int daemon_reload(DBusConnection *bus, char **args, unsigned n); -static void pager_open(void); +static int daemon_reload(DBusConnection *bus, char **args); static bool on_tty(void) { static int t = -1; @@ -138,80 +136,26 @@ static bool on_tty(void) { return t; } -static void spawn_ask_password_agent(void) { - pid_t parent; - - if (agent_pid > 0) - return; - - /* We check STDIN here, not STDOUT, since this is about input, - * not output */ - if (!isatty(STDIN_FILENO)) - return; +static void pager_open_if_enabled(void) { + on_tty(); - if (!arg_ask_password) + if (arg_no_pager) return; - if (arg_user) - return; + pager_open(); +} - parent = getpid(); +static void agent_open_if_enabled(void) { - /* Spawns a temporary TTY agent, making sure it goes away when - * we go away */ + /* Open the password agent as a child process if necessary */ - if ((agent_pid = fork()) < 0) + if (!arg_ask_password) return; - if (agent_pid == 0) { - /* In the child */ - - int fd; - bool stdout_is_tty, stderr_is_tty; - - /* Make sure the agent goes away when the parent dies */ - if (prctl(PR_SET_PDEATHSIG, SIGTERM) < 0) - _exit(EXIT_FAILURE); - - /* Check whether our parent died before we were able - * to set the death signal */ - if (getppid() != parent) - _exit(EXIT_SUCCESS); - - /* Don't leak fds to the agent */ - close_all_fds(NULL, 0); - - stdout_is_tty = isatty(STDOUT_FILENO); - stderr_is_tty = isatty(STDERR_FILENO); - - if (!stdout_is_tty || !stderr_is_tty) { - /* Detach from stdout/stderr. and reopen - * /dev/tty for them. This is important to - * ensure that when systemctl is started via - * popen() or a similar call that expects to - * read EOF we actually do generate EOF and - * not delay this indefinitely by because we - * keep an unused copy of stdin around. */ - if ((fd = open("/dev/tty", O_WRONLY)) < 0) { - log_error("Failed to open /dev/tty: %m"); - _exit(EXIT_FAILURE); - } - - if (!stdout_is_tty) - dup2(fd, STDOUT_FILENO); - - if (!stderr_is_tty) - dup2(fd, STDERR_FILENO); - - if (fd > 2) - close(fd); - } - - execl(SYSTEMD_TTY_ASK_PASSWORD_AGENT_BINARY_PATH, SYSTEMD_TTY_ASK_PASSWORD_AGENT_BINARY_PATH, "--watch", NULL); + if (arg_scope != UNIT_FILE_SYSTEM) + return; - log_error("Unable to execute agent: %m"); - _exit(EXIT_FAILURE); - } + agent_open(); } static const char *ansi_highlight(bool b) { @@ -273,22 +217,6 @@ static int translate_bus_error_to_exit_status(int r, const DBusError *error) { return EXIT_FAILURE; } -static int bus_iter_get_basic_and_next(DBusMessageIter *iter, int type, void *data, bool next) { - - assert(iter); - assert(data); - - if (dbus_message_iter_get_arg_type(iter) != type) - return -EIO; - - dbus_message_iter_get_basic(iter, data); - - if (!dbus_message_iter_next(iter) != !next) - return -EIO; - - return 0; -} - static void warn_wall(enum action action) { static const char *table[_ACTION_MAX] = { [ACTION_HALT] = "The system is going down for system halt NOW!", @@ -325,6 +253,23 @@ static void warn_wall(enum action action) { utmp_wall(table[action], NULL); } +static bool avoid_bus(void) { + + if (running_in_chroot() > 0) + return true; + + if (sd_booted() <= 0) + return true; + + if (!isempty(arg_root)) + return true; + + if (arg_scope == UNIT_FILE_GLOBAL) + return true; + + return false; +} + struct unit_info { const char *id; const char *description; @@ -462,7 +407,7 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) { } } -static int list_units(DBusConnection *bus, char **args, unsigned n) { +static int list_units(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; @@ -474,7 +419,7 @@ static int list_units(DBusConnection *bus, char **args, unsigned n) { assert(bus); - pager_open(); + pager_open_if_enabled(); if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", @@ -569,6 +514,210 @@ finish: return r; } +static int compare_unit_file_list(const void *a, const void *b) { + const char *d1, *d2; + const UnitFileList *u = a, *v = b; + + d1 = strrchr(u->path, '.'); + d2 = strrchr(v->path, '.'); + + if (d1 && d2) { + int r; + + r = strcasecmp(d1, d2); + if (r != 0) + return r; + } + + return strcasecmp(file_name_from_path(u->path), file_name_from_path(v->path)); +} + +static bool output_show_unit_file(const UnitFileList *u) { + const char *dot; + + return !arg_type || ((dot = strrchr(u->path, '.')) && streq(dot+1, arg_type)); +} + +static void output_unit_file_list(const UnitFileList *units, unsigned c) { + unsigned n_shown = 0; + const UnitFileList *u; + + if (on_tty()) + printf("%-25s %-6s\n", "UNIT FILE", "STATE"); + + for (u = units; u < units + c; u++) { + char *e; + const char *on, *off; + const char *id; + + if (!output_show_unit_file(u)) + continue; + + n_shown++; + + if (u->state == UNIT_FILE_MASKED || + u->state == UNIT_FILE_MASKED_RUNTIME || + u->state == UNIT_FILE_DISABLED) { + on = ansi_highlight(true); + off = ansi_highlight(false); + } else if (u->state == UNIT_FILE_ENABLED) { + on = ansi_highlight_green(true); + off = ansi_highlight_green(false); + } else + on = off = ""; + + id = file_name_from_path(u->path); + + e = arg_full ? NULL : ellipsize(id, 25, 33); + + printf("%-25s %s%-6s%s\n", + e ? e : id, + on, unit_file_state_to_string(u->state), off); + + free(e); + } + + if (on_tty()) + printf("\n%u unit files listed.\n", n_shown); +} + +static int list_unit_files(DBusConnection *bus, char **args) { + DBusMessage *m = NULL, *reply = NULL; + DBusError error; + int r; + DBusMessageIter iter, sub, sub2; + unsigned c = 0, n_units = 0; + UnitFileList *units = NULL; + + dbus_error_init(&error); + + assert(bus); + + pager_open_if_enabled(); + + if (avoid_bus()) { + Hashmap *h; + UnitFileList *u; + Iterator i; + + h = hashmap_new(string_hash_func, string_compare_func); + if (!h) { + log_error("Out of memory"); + return -ENOMEM; + } + + r = unit_file_get_list(arg_scope, arg_root, h); + if (r < 0) { + log_error("Failed to get unit file list: %s", strerror(-r)); + return r; + } + + n_units = hashmap_size(h); + units = new(UnitFileList, n_units); + if (!units) { + unit_file_list_free(h); + log_error("Out of memory"); + return -ENOMEM; + } + + HASHMAP_FOREACH(u, h, i) { + memcpy(units + c++, u, sizeof(UnitFileList)); + free(u); + } + + hashmap_free(h); + } else { + m = dbus_message_new_method_call( + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "ListUnitFiles"); + if (!m) { + log_error("Could not allocate message."); + return -ENOMEM; + } + + reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); + if (!reply) { + log_error("Failed to issue method call: %s", bus_error_message(&error)); + r = -EIO; + goto finish; + } + + if (!dbus_message_iter_init(reply, &iter) || + dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || + dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) { + log_error("Failed to parse reply."); + r = -EIO; + goto finish; + } + + dbus_message_iter_recurse(&iter, &sub); + + while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { + UnitFileList *u; + const char *state; + + if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) { + log_error("Failed to parse reply."); + r = -EIO; + goto finish; + } + + if (c >= n_units) { + UnitFileList *w; + + n_units = MAX(2*c, 16); + w = realloc(units, sizeof(struct UnitFileList) * n_units); + + if (!w) { + log_error("Failed to allocate unit array."); + r = -ENOMEM; + goto finish; + } + + units = w; + } + + u = units+c; + + dbus_message_iter_recurse(&sub, &sub2); + + if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->path, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, false) < 0) { + log_error("Failed to parse reply."); + r = -EIO; + goto finish; + } + + u->state = unit_file_state_from_string(state); + + dbus_message_iter_next(&sub); + c++; + } + } + + if (c > 0) { + qsort(units, c, sizeof(UnitFileList), compare_unit_file_list); + output_unit_file_list(units, c); + } + + r = 0; + +finish: + if (m) + dbus_message_unref(m); + + if (reply) + dbus_message_unref(reply); + + free(units); + + dbus_error_free(&error); + + return r; +} + static int dot_one_property(const char *name, const char *prop, DBusMessageIter *iter) { static const char * const colors[] = { "Requires", "[color=\"black\"]", @@ -721,7 +870,7 @@ finish: return r; } -static int dot(DBusConnection *bus, char **args, unsigned n) { +static int dot(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; @@ -795,7 +944,7 @@ static int dot(DBusConnection *bus, char **args, unsigned n) { " red = Conflicts\n" " green = After\n"); - if (isatty(fileno(stdout))) + if (on_tty()) log_notice("-- You probably want to process this output with graphviz' dot tool.\n" "-- Try a shell pipeline like 'systemctl dot | dot -Tsvg > systemd.svg'!\n"); @@ -813,7 +962,7 @@ finish: return r; } -static int list_jobs(DBusConnection *bus, char **args, unsigned n) { +static int list_jobs(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; @@ -824,7 +973,7 @@ static int list_jobs(DBusConnection *bus, char **args, unsigned n) { assert(bus); - pager_open(); + pager_open_if_enabled(); if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", @@ -851,7 +1000,7 @@ static int list_jobs(DBusConnection *bus, char **args, unsigned n) { dbus_message_iter_recurse(&iter, &sub); - if (isatty(STDOUT_FILENO)) + if (on_tty()) printf("%4s %-25s %-15s %-7s\n", "JOB", "UNIT", "TYPE", "STATE"); while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { @@ -887,7 +1036,7 @@ static int list_jobs(DBusConnection *bus, char **args, unsigned n) { dbus_message_iter_next(&sub); } - if (isatty(STDOUT_FILENO)) + if (on_tty()) printf("\n%u jobs listed.\n", k); r = 0; @@ -904,18 +1053,18 @@ finish: return r; } -static int load_unit(DBusConnection *bus, char **args, unsigned n) { +static int load_unit(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; - unsigned i; + char **name; dbus_error_init(&error); assert(bus); assert(args); - for (i = 1; i < n; i++) { + STRV_FOREACH(name, args+1) { if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", @@ -928,7 +1077,7 @@ static int load_unit(DBusConnection *bus, char **args, unsigned n) { } if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &args[i], + DBUS_TYPE_STRING, name, DBUS_TYPE_INVALID)) { log_error("Could not append arguments to message."); r = -ENOMEM; @@ -961,21 +1110,21 @@ finish: return r; } -static int cancel_job(DBusConnection *bus, char **args, unsigned n) { +static int cancel_job(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; - unsigned i; + char **name; dbus_error_init(&error); assert(bus); assert(args); - if (n <= 1) - return daemon_reload(bus, args, n); + if (strv_length(args) <= 1) + return daemon_reload(bus, args); - for (i = 1; i < n; i++) { + STRV_FOREACH(name, args+1) { unsigned id; const char *path; @@ -989,7 +1138,7 @@ static int cancel_job(DBusConnection *bus, char **args, unsigned n) { goto finish; } - if ((r = safe_atou(args[i], &id)) < 0) { + if ((r = safe_atou(*name, &id)) < 0) { log_error("Failed to parse job id: %s", strerror(-r)); goto finish; } @@ -1337,8 +1486,8 @@ static int start_unit_one( } if (need_daemon_reload(bus, name)) - log_warning("Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.", - arg_user ? "--user" : "--system"); + log_warning("Warning: Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.", + arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user"); if (!arg_no_block) { char *p; @@ -1389,7 +1538,7 @@ static enum action verb_to_action(const char *verb) { return ACTION_INVALID; } -static int start_unit(DBusConnection *bus, char **args, unsigned n) { +static int start_unit(DBusConnection *bus, char **args) { static const char * const table[_ACTION_MAX] = { [ACTION_HALT] = SPECIAL_HALT_TARGET, @@ -1407,16 +1556,16 @@ static int start_unit(DBusConnection *bus, char **args, unsigned n) { }; int r, ret = 0; - unsigned i; const char *method, *mode, *one_name; Set *s = NULL; DBusError error; + char **name; dbus_error_init(&error); assert(bus); - spawn_ask_password_agent(); + agent_open_if_enabled(); if (arg_action == ACTION_SYSTEMCTL) { method = @@ -1476,8 +1625,8 @@ static int start_unit(DBusConnection *bus, char **args, unsigned n) { if ((ret = start_unit_one(bus, method, one_name, mode, &error, s)) <= 0) goto finish; } else { - for (i = 1; i < n; i++) - if ((r = start_unit_one(bus, method, args[i], mode, &error, s)) != 0) { + STRV_FOREACH(name, args+1) + if ((r = start_unit_one(bus, method, *name, mode, &error, s)) != 0) { ret = translate_bus_error_to_exit_status(r, &error); dbus_error_free(&error); } @@ -1498,7 +1647,7 @@ finish: return ret; } -static int start_special(DBusConnection *bus, char **args, unsigned n) { +static int start_special(DBusConnection *bus, char **args) { int r; assert(bus); @@ -1510,9 +1659,9 @@ static int start_special(DBusConnection *bus, char **args, unsigned n) { streq(args[0], "reboot") || streq(args[0], "kexec") || streq(args[0], "exit"))) - return daemon_reload(bus, args, n); + return daemon_reload(bus, args); - r = start_unit(bus, args, n); + r = start_unit(bus, args); if (r >= 0) warn_wall(verb_to_action(args[0])); @@ -1520,21 +1669,21 @@ static int start_special(DBusConnection *bus, char **args, unsigned n) { return r; } -static int check_unit(DBusConnection *bus, char **args, unsigned n) { +static int check_unit(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; const char *interface = "org.freedesktop.systemd1.Unit", *property = "ActiveState"; int r = 3; /* According to LSB: "program is not running" */ DBusError error; - unsigned i; + char **name; assert(bus); assert(args); dbus_error_init(&error); - for (i = 1; i < n; i++) { + STRV_FOREACH(name, args+1) { const char *path = NULL; const char *state; DBusMessageIter iter, sub; @@ -1550,7 +1699,7 @@ static int check_unit(DBusConnection *bus, char **args, unsigned n) { } if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &args[i], + DBUS_TYPE_STRING, name, DBUS_TYPE_INVALID)) { log_error("Could not append arguments to message."); r = -ENOMEM; @@ -1644,11 +1793,11 @@ finish: return r; } -static int kill_unit(DBusConnection *bus, char **args, unsigned n) { +static int kill_unit(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; int r = 0; DBusError error; - unsigned i; + char **name; assert(bus); assert(args); @@ -1661,7 +1810,7 @@ static int kill_unit(DBusConnection *bus, char **args, unsigned n) { if (!arg_kill_mode) arg_kill_mode = streq(arg_kill_who, "all") ? "control-group" : "process"; - for (i = 1; i < n; i++) { + STRV_FOREACH(name, args+1) { if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", @@ -1674,7 +1823,7 @@ static int kill_unit(DBusConnection *bus, char **args, unsigned n) { } if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &args[i], + DBUS_TYPE_STRING, name, DBUS_TYPE_STRING, &arg_kill_who, DBUS_TYPE_STRING, &arg_kill_mode, DBUS_TYPE_INT32, &arg_signal, @@ -1813,6 +1962,7 @@ typedef struct UnitStatusInfo { const char *load_state; const char *active_state; const char *sub_state; + const char *unit_file_state; const char *description; const char *following; @@ -1820,6 +1970,8 @@ typedef struct UnitStatusInfo { const char *path; const char *default_control_group; + const char *load_error; + usec_t inactive_exit_timestamp; usec_t active_enter_timestamp; usec_t active_exit_timestamp; @@ -1890,7 +2042,11 @@ static void print_status_info(UnitStatusInfo *i) { } else on = off = ""; - if (i->path) + if (i->load_error) + printf("\t Loaded: %s%s%s (Reason: %s)\n", on, strna(i->load_state), off, i->load_error); + else if (i->path && i->unit_file_state) + printf("\t Loaded: %s%s%s (%s; %s)\n", on, strna(i->load_state), off, i->path, i->unit_file_state); + else if (i->path) printf("\t Loaded: %s%s%s (%s)\n", on, strna(i->load_state), off, i->path); else printf("\t Loaded: %s%s%s\n", on, strna(i->load_state), off); @@ -2085,11 +2241,15 @@ static void print_status_info(UnitStatusInfo *i) { printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %s daemon-reload' recommended.\n", ansi_highlight(true), ansi_highlight(false), - arg_user ? "--user" : "--system"); + arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user"); } static int status_property(const char *name, DBusMessageIter *iter, UnitStatusInfo *i) { + assert(name); + assert(iter); + assert(i); + switch (dbus_message_iter_get_arg_type(iter)) { case DBUS_TYPE_STRING: { @@ -2097,7 +2257,7 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn dbus_message_iter_get_basic(iter, &s); - if (s[0]) { + if (!isempty(s)) { if (streq(name, "Id")) i->id = s; else if (streq(name, "LoadState")) @@ -2128,6 +2288,8 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn i->what = s; else if (streq(name, "Following")) i->following = s; + else if (streq(name, "UnitFileState")) + i->unit_file_state = s; } break; @@ -2239,6 +2401,30 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn break; } + + case DBUS_TYPE_STRUCT: { + + if (streq(name, "LoadError")) { + DBusMessageIter sub; + const char *n, *message; + int r; + + dbus_message_iter_recurse(iter, &sub); + + r = bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &n, true); + if (r < 0) + return r; + + r = bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &message, false); + if (r < 0) + return r; + + if (!isempty(message)) + i->load_error = message; + } + + break; + } } return 0; @@ -2256,74 +2442,6 @@ static int print_property(const char *name, DBusMessageIter *iter) { switch (dbus_message_iter_get_arg_type(iter)) { - case DBUS_TYPE_STRING: { - const char *s; - dbus_message_iter_get_basic(iter, &s); - - if (arg_all || s[0]) - printf("%s=%s\n", name, s); - - return 0; - } - - case DBUS_TYPE_BOOLEAN: { - dbus_bool_t b; - dbus_message_iter_get_basic(iter, &b); - printf("%s=%s\n", name, yes_no(b)); - - return 0; - } - - case DBUS_TYPE_UINT64: { - uint64_t u; - dbus_message_iter_get_basic(iter, &u); - - /* Yes, heuristics! But we can change this check - * should it turn out to not be sufficient */ - - if (endswith(name, "Timestamp")) { - char timestamp[FORMAT_TIMESTAMP_MAX], *t; - - if ((t = format_timestamp(timestamp, sizeof(timestamp), u)) || arg_all) - printf("%s=%s\n", name, strempty(t)); - } else if (strstr(name, "USec")) { - char timespan[FORMAT_TIMESPAN_MAX]; - - printf("%s=%s\n", name, format_timespan(timespan, sizeof(timespan), u)); - } else - printf("%s=%llu\n", name, (unsigned long long) u); - - return 0; - } - - case DBUS_TYPE_UINT32: { - uint32_t u; - dbus_message_iter_get_basic(iter, &u); - - if (strstr(name, "UMask") || strstr(name, "Mode")) - printf("%s=%04o\n", name, u); - else - printf("%s=%u\n", name, (unsigned) u); - - return 0; - } - - case DBUS_TYPE_INT32: { - int32_t i; - dbus_message_iter_get_basic(iter, &i); - - printf("%s=%i\n", name, (int) i); - return 0; - } - - case DBUS_TYPE_DOUBLE: { - double d; - dbus_message_iter_get_basic(iter, &d); - - printf("%s=%g\n", name, d); - return 0; - } - case DBUS_TYPE_STRUCT: { DBusMessageIter sub; dbus_message_iter_recurse(iter, &sub); @@ -2347,6 +2465,16 @@ static int print_property(const char *name, DBusMessageIter *iter) { if (arg_all || s[0]) printf("%s=%s\n", name, s); + return 0; + } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "LoadError")) { + const char *a = NULL, *b = NULL; + + if (bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &a, true) >= 0) + bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &b, false); + + if (arg_all || !isempty(a) || !isempty(b)) + printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b)); + return 0; } @@ -2355,81 +2483,33 @@ static int print_property(const char *name, DBusMessageIter *iter) { case DBUS_TYPE_ARRAY: - if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) { - DBusMessageIter sub; - bool space = false; + if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "EnvironmentFiles")) { + DBusMessageIter sub, sub2; dbus_message_iter_recurse(iter, &sub); - if (arg_all || - dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - printf("%s=", name); - - while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - const char *s; + while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) { + const char *path; + dbus_bool_t ignore; - assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING); - dbus_message_iter_get_basic(&sub, &s); - printf("%s%s", space ? " " : "", s); + dbus_message_iter_recurse(&sub, &sub2); - space = true; - dbus_message_iter_next(&sub); - } + if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) >= 0 && + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, false) >= 0) + printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore)); - puts(""); + dbus_message_iter_next(&sub); } return 0; - } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_BYTE) { - DBusMessageIter sub; + } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Paths")) { + DBusMessageIter sub, sub2; dbus_message_iter_recurse(iter, &sub); - if (arg_all || - dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - printf("%s=", name); + while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) { + const char *type, *path; - while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { - uint8_t u; - - assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_BYTE); - dbus_message_iter_get_basic(&sub, &u); - printf("%02x", u); - - dbus_message_iter_next(&sub); - } - - puts(""); - } - - return 0; - - } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "EnvironmentFiles")) { - DBusMessageIter sub, sub2; - - dbus_message_iter_recurse(iter, &sub); - while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) { - const char *path; - dbus_bool_t ignore; - - dbus_message_iter_recurse(&sub, &sub2); - - if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) >= 0 && - bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, false) >= 0) - printf("EnvironmentFile=%s (ignore=%s)\n", path, yes_no(ignore)); - - dbus_message_iter_next(&sub); - } - - return 0; - - } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Paths")) { - DBusMessageIter sub, sub2; - - dbus_message_iter_recurse(iter, &sub); - while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) { - const char *type, *path; - - dbus_message_iter_recurse(&sub, &sub2); + dbus_message_iter_recurse(&sub, &sub2); if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) >= 0 && bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, false) >= 0) @@ -2466,6 +2546,30 @@ static int print_property(const char *name, DBusMessageIter *iter) { return 0; + } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "ControlGroupAttributes")) { + DBusMessageIter sub, sub2; + + dbus_message_iter_recurse(iter, &sub); + while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) { + const char *controller, *attr, *value; + + dbus_message_iter_recurse(&sub, &sub2); + + if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &controller, true) >= 0 && + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &attr, true) >= 0 && + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &value, false) >= 0) { + + printf("ControlGroupAttribute={ controller=%s ; attribute=%s ; value=\"%s\" }\n", + controller, + attr, + value); + } + + dbus_message_iter_next(&sub); + } + + return 0; + } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && startswith(name, "Exec")) { DBusMessageIter sub; @@ -2480,7 +2584,7 @@ static int print_property(const char *name, DBusMessageIter *iter) { t = strv_join(info.argv, " "); - printf("%s={ path=%s ; argv[]=%s ; ignore=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n", + printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n", name, strna(info.path), strna(t), @@ -2508,6 +2612,9 @@ static int print_property(const char *name, DBusMessageIter *iter) { break; } + if (generic_print_property(name, iter, arg_all) > 0) + return 0; + if (arg_all) printf("%s=[unprintable]\n", name); @@ -2636,12 +2743,12 @@ finish: return r; } -static int show(DBusConnection *bus, char **args, unsigned n) { +static int show(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; int r, ret = 0; DBusError error; - unsigned i; bool show_properties, new_line = false; + char **name; assert(bus); assert(args); @@ -2651,9 +2758,9 @@ static int show(DBusConnection *bus, char **args, unsigned n) { show_properties = !streq(args[0], "status"); if (show_properties) - pager_open(); + pager_open_if_enabled(); - if (show_properties && n <= 1) { + if (show_properties && strv_length(args) <= 1) { /* If not argument is specified inspect the manager * itself */ @@ -2661,11 +2768,11 @@ static int show(DBusConnection *bus, char **args, unsigned n) { goto finish; } - for (i = 1; i < n; i++) { + STRV_FOREACH(name, args+1) { const char *path = NULL; uint32_t id; - if (safe_atou32(args[i], &id) < 0) { + if (safe_atou32(*name, &id) < 0) { /* Interpret as unit name */ @@ -2680,7 +2787,7 @@ static int show(DBusConnection *bus, char **args, unsigned n) { } if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &args[i], + DBUS_TYPE_STRING, name, DBUS_TYPE_INVALID)) { log_error("Could not append arguments to message."); ret = -ENOMEM; @@ -2709,7 +2816,7 @@ static int show(DBusConnection *bus, char **args, unsigned n) { } if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &args[i], + DBUS_TYPE_STRING, name, DBUS_TYPE_INVALID)) { log_error("Could not append arguments to message."); ret = -ENOMEM; @@ -2811,235 +2918,7 @@ finish: return ret; } -static DBusHandlerResult monitor_filter(DBusConnection *connection, DBusMessage *message, void *data) { - DBusError error; - DBusMessage *m = NULL, *reply = NULL; - - assert(connection); - assert(message); - - dbus_error_init(&error); - - log_debug("Got D-Bus request: %s.%s() on %s", - dbus_message_get_interface(message), - dbus_message_get_member(message), - dbus_message_get_path(message)); - - if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) { - log_error("Warning! D-Bus connection terminated."); - dbus_connection_close(connection); - - } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "UnitNew") || - dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "UnitRemoved")) { - const char *id, *path; - - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_STRING, &id, - DBUS_TYPE_OBJECT_PATH, &path, - DBUS_TYPE_INVALID)) - log_error("Failed to parse message: %s", bus_error_message(&error)); - else if (streq(dbus_message_get_member(message), "UnitNew")) - printf("Unit %s added.\n", id); - else - printf("Unit %s removed.\n", id); - - } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobNew")) { - uint32_t id; - const char *path; - - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_UINT32, &id, - DBUS_TYPE_OBJECT_PATH, &path, - DBUS_TYPE_INVALID)) - log_error("Failed to parse message: %s", bus_error_message(&error)); - else - printf("Job %u added.\n", id); - - - } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) { - uint32_t id; - const char *path, *result; - - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_UINT32, &id, - DBUS_TYPE_OBJECT_PATH, &path, - DBUS_TYPE_STRING, &result, - DBUS_TYPE_INVALID)) - log_error("Failed to parse message: %s", bus_error_message(&error)); - else - printf("Job %u removed (result=%s).\n", id, result); - - - } else if (dbus_message_is_signal(message, "org.freedesktop.DBus.Properties", "PropertiesChanged")) { - - const char *path, *interface, *property = "Id"; - DBusMessageIter iter, sub; - - path = dbus_message_get_path(message); - - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_STRING, &interface, - DBUS_TYPE_INVALID)) { - log_error("Failed to parse message: %s", bus_error_message(&error)); - goto finish; - } - - if (!streq(interface, "org.freedesktop.systemd1.Job") && - !streq(interface, "org.freedesktop.systemd1.Unit")) - goto finish; - - if (!(m = dbus_message_new_method_call( - "org.freedesktop.systemd1", - path, - "org.freedesktop.DBus.Properties", - "Get"))) { - log_error("Could not allocate message."); - goto oom; - } - - if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &interface, - DBUS_TYPE_STRING, &property, - DBUS_TYPE_INVALID)) { - log_error("Could not append arguments to message."); - goto finish; - } - - if (!(reply = dbus_connection_send_with_reply_and_block(connection, m, -1, &error))) { - log_error("Failed to issue method call: %s", bus_error_message(&error)); - goto finish; - } - - if (!dbus_message_iter_init(reply, &iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) { - log_error("Failed to parse reply."); - goto finish; - } - - dbus_message_iter_recurse(&iter, &sub); - - if (streq(interface, "org.freedesktop.systemd1.Unit")) { - const char *id; - - if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) { - log_error("Failed to parse reply."); - goto finish; - } - - dbus_message_iter_get_basic(&sub, &id); - printf("Unit %s changed.\n", id); - } else { - uint32_t id; - - if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_UINT32) { - log_error("Failed to parse reply."); - goto finish; - } - - dbus_message_iter_get_basic(&sub, &id); - printf("Job %u changed.\n", id); - } - } - -finish: - if (m) - dbus_message_unref(m); - - if (reply) - dbus_message_unref(reply); - - dbus_error_free(&error); - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - -oom: - if (m) - dbus_message_unref(m); - - if (reply) - dbus_message_unref(reply); - - dbus_error_free(&error); - return DBUS_HANDLER_RESULT_NEED_MEMORY; -} - -static int monitor(DBusConnection *bus, char **args, unsigned n) { - DBusMessage *m = NULL, *reply = NULL; - DBusError error; - int r; - - dbus_error_init(&error); - - if (!private_bus) { - dbus_bus_add_match(bus, - "type='signal'," - "sender='org.freedesktop.systemd1'," - "interface='org.freedesktop.systemd1.Manager'," - "path='/org/freedesktop/systemd1'", - &error); - - if (dbus_error_is_set(&error)) { - log_error("Failed to add match: %s", bus_error_message(&error)); - r = -EIO; - goto finish; - } - - dbus_bus_add_match(bus, - "type='signal'," - "sender='org.freedesktop.systemd1'," - "interface='org.freedesktop.DBus.Properties'," - "member='PropertiesChanged'", - &error); - - if (dbus_error_is_set(&error)) { - log_error("Failed to add match: %s", bus_error_message(&error)); - r = -EIO; - goto finish; - } - } - - if (!dbus_connection_add_filter(bus, monitor_filter, NULL, NULL)) { - log_error("Failed to add filter."); - r = -ENOMEM; - goto finish; - } - - if (!(m = dbus_message_new_method_call( - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "Subscribe"))) { - log_error("Could not allocate message."); - r = -ENOMEM; - goto finish; - } - - if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { - log_error("Failed to issue method call: %s", bus_error_message(&error)); - r = -EIO; - goto finish; - } - - while (dbus_connection_read_write_dispatch(bus, -1)) - ; - - r = 0; - -finish: - - /* This is slightly dirty, since we don't undo the filter or the matches. */ - - if (m) - dbus_message_unref(m); - - if (reply) - dbus_message_unref(reply); - - dbus_error_free(&error); - - return r; -} - -static int dump(DBusConnection *bus, char **args, unsigned n) { +static int dump(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; @@ -3047,7 +2926,7 @@ static int dump(DBusConnection *bus, char **args, unsigned n) { dbus_error_init(&error); - pager_open(); + pager_open_if_enabled(); if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", @@ -3088,7 +2967,7 @@ finish: return r; } -static int snapshot(DBusConnection *bus, char **args, unsigned n) { +static int snapshot(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; @@ -3110,7 +2989,7 @@ static int snapshot(DBusConnection *bus, char **args, unsigned n) { return -ENOMEM; } - if (n > 1) + if (strv_length(args) > 1) name = args[1]; if (!dbus_message_append_args(m, @@ -3195,18 +3074,18 @@ finish: return r; } -static int delete_snapshot(DBusConnection *bus, char **args, unsigned n) { +static int delete_snapshot(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; int r; DBusError error; - unsigned i; + char **name; assert(bus); assert(args); dbus_error_init(&error); - for (i = 1; i < n; i++) { + STRV_FOREACH(name, args+1) { const char *path = NULL; if (!(m = dbus_message_new_method_call( @@ -3220,7 +3099,7 @@ static int delete_snapshot(DBusConnection *bus, char **args, unsigned n) { } if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &args[i], + DBUS_TYPE_STRING, name, DBUS_TYPE_INVALID)) { log_error("Could not append arguments to message."); r = -ENOMEM; @@ -3278,7 +3157,7 @@ finish: return r; } -static int daemon_reload(DBusConnection *bus, char **args, unsigned n) { +static int daemon_reload(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; @@ -3350,19 +3229,19 @@ finish: return r; } -static int reset_failed(DBusConnection *bus, char **args, unsigned n) { +static int reset_failed(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; - unsigned i; int r; DBusError error; + char **name; assert(bus); dbus_error_init(&error); - if (n <= 1) - return daemon_reload(bus, args, n); + if (strv_length(args) <= 1) + return daemon_reload(bus, args); - for (i = 1; i < n; i++) { + STRV_FOREACH(name, args+1) { if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", @@ -3375,7 +3254,7 @@ static int reset_failed(DBusConnection *bus, char **args, unsigned n) { } if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, args + i, + DBUS_TYPE_STRING, name, DBUS_TYPE_INVALID)) { log_error("Could not append arguments to message."); r = -ENOMEM; @@ -3407,7 +3286,7 @@ finish: return r; } -static int show_enviroment(DBusConnection *bus, char **args, unsigned n) { +static int show_enviroment(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; DBusMessageIter iter, sub, sub2; @@ -3418,7 +3297,7 @@ static int show_enviroment(DBusConnection *bus, char **args, unsigned n) { dbus_error_init(&error); - pager_open(); + pager_open_if_enabled(); if (!(m = dbus_message_new_method_call( "org.freedesktop.systemd1", @@ -3491,13 +3370,13 @@ finish: return r; } -static int set_environment(DBusConnection *bus, char **args, unsigned n) { +static int set_environment(DBusConnection *bus, char **args) { DBusMessage *m = NULL, *reply = NULL; DBusError error; int r; const char *method; DBusMessageIter iter, sub; - unsigned i; + char **name; dbus_error_init(&error); @@ -3523,8 +3402,8 @@ static int set_environment(DBusConnection *bus, char **args, unsigned n) { goto finish; } - for (i = 1; i < n; i++) - if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &args[i])) { + STRV_FOREACH(name, args+1) + if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, name)) { log_error("Could not append arguments to message."); r = -ENOMEM; goto finish; @@ -3556,770 +3435,479 @@ finish: return r; } -typedef struct { - char *name; - char *path; - - char **aliases; - char **wanted_by; -} InstallInfo; - -static Hashmap *will_install = NULL, *have_installed = NULL; -static Set *remove_symlinks_to = NULL; -static unsigned n_symlinks = 0; - -static void install_info_free(InstallInfo *i) { - assert(i); - - free(i->name); - free(i->path); - strv_free(i->aliases); - strv_free(i->wanted_by); - free(i); -} - -static void install_info_hashmap_free(Hashmap *m) { - InstallInfo *i; - - while ((i = hashmap_steal_first(m))) - install_info_free(i); - - hashmap_free(m); -} - -static int install_info_add(const char *name) { - InstallInfo *i; - int r; - - assert(will_install); - - if (!unit_name_is_valid_no_type(name, true)) { - log_warning("Unit name %s is not a valid unit name.", name); - return -EINVAL; - } - - if (hashmap_get(have_installed, name) || - hashmap_get(will_install, name)) - return 0; - - if (!(i = new0(InstallInfo, 1))) { - r = -ENOMEM; - goto fail; - } - - if (!(i->name = strdup(name))) { - r = -ENOMEM; - goto fail; - } - - if ((r = hashmap_put(will_install, i->name, i)) < 0) - goto fail; - - return 0; - -fail: - if (i) - install_info_free(i); - - return r; -} - -static int config_parse_also( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - char *w; - size_t l; - char *state; - - assert(filename); - assert(lvalue); - assert(rvalue); - - FOREACH_WORD_QUOTED(w, l, rvalue, state) { - char *n; - int r; - - if (!(n = strndup(w, l))) - return -ENOMEM; - - if ((r = install_info_add(n)) < 0) { - log_warning("Cannot install unit %s: %s", n, strerror(-r)); - free(n); - return r; - } - - free(n); - } - - return 0; -} - -static int mark_symlink_for_removal(const char *p) { - char *n; - int r; - - assert(p); - assert(path_is_absolute(p)); - - if (!remove_symlinks_to) - return 0; - - if (!(n = strdup(p))) - return -ENOMEM; - - path_kill_slashes(n); - - if ((r = set_put(remove_symlinks_to, n)) < 0) { - free(n); - return r == -EEXIST ? 0 : r; - } - - return 0; -} - -static int remove_marked_symlinks_fd(int fd, const char *config_path, const char *root, bool *deleted) { +static int enable_sysv_units(char **args) { int r = 0; - DIR *d; - struct dirent *de; - - assert(fd >= 0); - assert(root); - assert(deleted); - - if (!(d = fdopendir(fd))) { - close_nointr_nofail(fd); - return -errno; - } - - rewinddir(d); - - while ((de = readdir(d))) { - bool is_dir = false, is_link = false; - - if (ignore_file(de->d_name)) - continue; - - if (de->d_type == DT_LNK) - is_link = true; - else if (de->d_type == DT_DIR) - is_dir = true; - else if (de->d_type == DT_UNKNOWN) { - struct stat st; - - if (fstatat(fd, de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0) { - log_error("Failed to stat %s/%s: %m", root, de->d_name); - - if (r == 0) - r = -errno; - continue; - } - - is_link = S_ISLNK(st.st_mode); - is_dir = S_ISDIR(st.st_mode); - } else - continue; - - if (is_dir) { - int nfd, q; - char *p; - - if ((nfd = openat(fd, de->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW)) < 0) { - log_error("Failed to open %s/%s: %m", root, de->d_name); - - if (r == 0) - r = -errno; - continue; - } - - if (asprintf(&p, "%s/%s", root, de->d_name) < 0) { - log_error("Failed to allocate directory string."); - close_nointr_nofail(nfd); - r = -ENOMEM; - break; - } - - /* This will close nfd, regardless whether it succeeds or not */ - q = remove_marked_symlinks_fd(nfd, config_path, p, deleted); - free(p); - - if (r == 0) - r = q; - - } else if (is_link) { - char *p, *dest, *c; - int q; - - if (asprintf(&p, "%s/%s", root, de->d_name) < 0) { - log_error("Failed to allocate symlink string."); - r = -ENOMEM; - break; - } - - if ((q = readlink_and_make_absolute(p, &dest)) < 0) { - log_error("Cannot read symlink %s: %s", p, strerror(-q)); - free(p); - - if (r == 0) - r = q; - continue; - } - - if ((c = canonicalize_file_name(dest))) { - /* This might fail if the destination - * is already removed */ - - free(dest); - dest = c; - } - - path_kill_slashes(dest); - if (set_get(remove_symlinks_to, dest)) { - - if (!arg_quiet) - log_info("rm '%s'", p); - - if (unlink(p) < 0) { - log_error("Cannot unlink symlink %s: %m", p); - - if (r == 0) - r = -errno; - } else { - rmdir_parents(p, config_path); - path_kill_slashes(p); - - if (!set_get(remove_symlinks_to, p)) { - - if ((r = mark_symlink_for_removal(p)) < 0) { - if (r == 0) - r = q; - } else - *deleted = true; - } - } - } - - free(p); - free(dest); - } - } - - closedir(d); - - return r; -} - -static int remove_marked_symlinks(const char *config_path) { - int fd, r = 0; - bool deleted; - assert(config_path); +#if defined (HAVE_SYSV_COMPAT) && (defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA) || defined(TARGET_SUSE) || defined(TARGET_MEEGO) || defined(TARGET_ALTLINUX)) + const char *verb = args[0]; + unsigned f = 1, t = 1; + LookupPaths paths; - if (set_size(remove_symlinks_to) <= 0) + if (arg_scope != UNIT_FILE_SYSTEM) return 0; - if ((fd = open(config_path, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW)) < 0) - return -errno; - - do { - int q, cfd; - deleted = false; - - if ((cfd = dup(fd)) < 0) { - r = -errno; - break; - } - - /* This takes possession of cfd and closes it */ - if ((q = remove_marked_symlinks_fd(cfd, config_path, config_path, &deleted)) < 0) { - if (r == 0) - r = q; - } - } while (deleted); - - close_nointr_nofail(fd); - - return r; -} - -static int create_symlink(const char *verb, const char *old_path, const char *new_path) { - int r; - - assert(old_path); - assert(new_path); - assert(verb); - - if (streq(verb, "enable")) { - char *dest; - - mkdir_parents(new_path, 0755); - - if (symlink(old_path, new_path) >= 0) { - - if (!arg_quiet) - log_info("ln -s '%s' '%s'", old_path, new_path); - - return 0; - } - - if (errno != EEXIST) { - log_error("Cannot link %s to %s: %m", old_path, new_path); - return -errno; - } - - if ((r = readlink_and_make_absolute(new_path, &dest)) < 0) { - - if (errno == EINVAL) { - log_error("Cannot link %s to %s, file exists already and is not a symlink.", old_path, new_path); - return -EEXIST; - } - - log_error("readlink() failed: %s", strerror(-r)); - return r; - } - - if (streq(dest, old_path)) { - free(dest); - return 0; - } - - if (!arg_force) { - log_error("Cannot link %s to %s, symlink exists already and points to %s.", old_path, new_path, dest); - free(dest); - return -EEXIST; - } - - free(dest); - unlink(new_path); - - if (!arg_quiet) - log_info("ln -s '%s' '%s'", old_path, new_path); - - if (symlink(old_path, new_path) >= 0) - return 0; - - log_error("Cannot link %s to %s: %m", old_path, new_path); - return -errno; - - } else if (streq(verb, "disable")) { - char *dest; - - if ((r = mark_symlink_for_removal(old_path)) < 0) - return r; - - if ((r = readlink_and_make_absolute(new_path, &dest)) < 0) { - if (errno == ENOENT) - return 0; - - if (errno == EINVAL) { - log_warning("File %s not a symlink, ignoring.", old_path); - return 0; - } - - log_error("readlink() failed: %s", strerror(-r)); - return r; - } - - if (!streq(dest, old_path)) { - log_warning("File %s not a symlink to %s but points to %s, ignoring.", new_path, old_path, dest); - free(dest); - return 0; - } - - free(dest); - - if ((r = mark_symlink_for_removal(new_path)) < 0) - return r; - - if (!arg_quiet) - log_info("rm '%s'", new_path); - - if (unlink(new_path) >= 0) - return 0; - - log_error("Cannot unlink %s: %m", new_path); - return -errno; - - } else if (streq(verb, "is-enabled")) { - char *dest; - - if ((r = readlink_and_make_absolute(new_path, &dest)) < 0) { - - if (errno == ENOENT || errno == EINVAL) - return 0; - - log_error("readlink() failed: %s", strerror(-r)); - return r; - } - - if (streq(dest, old_path)) { - free(dest); - return 1; - } - - free(dest); + if (!streq(verb, "enable") && + !streq(verb, "disable") && + !streq(verb, "is-enabled")) return 0; - } - assert_not_reached("Unknown action."); -} + /* Processes all SysV units, and reshuffles the array so that + * afterwards only the native units remain */ -static int install_info_symlink_alias(const char *verb, InstallInfo *i, const char *config_path) { - char **s; - char *alias_path = NULL; - int r; - - assert(verb); - assert(i); - assert(config_path); + zero(paths); + r = lookup_paths_init(&paths, MANAGER_SYSTEM, false); + if (r < 0) + return r; - STRV_FOREACH(s, i->aliases) { + r = 0; - free(alias_path); - if (!(alias_path = path_make_absolute(*s, config_path))) { - log_error("Out of memory"); - r = -ENOMEM; - goto finish; - } + for (f = 1; args[f]; f++) { + const char *name; + char *p; + bool found_native = false, found_sysv; + unsigned c = 1; + const char *argv[6] = { "/sbin/chkconfig", NULL, NULL, NULL, NULL }; + char **k, *l, *q = NULL; + int j; + pid_t pid; + siginfo_t status; - if ((r = create_symlink(verb, i->path, alias_path)) != 0) - goto finish; + name = args[f]; - if (streq(verb, "disable")) - rmdir_parents(alias_path, config_path); - } - r = 0; + if (!endswith(name, ".service")) + continue; -finish: - free(alias_path); + if (path_is_absolute(name)) + continue; - return r; -} + STRV_FOREACH(k, paths.unit_path) { + p = NULL; -static int install_info_symlink_wants(const char *verb, InstallInfo *i, const char *config_path) { - char **s; - char *alias_path = NULL; - int r; + if (!isempty(arg_root)) + asprintf(&p, "%s/%s/%s", arg_root, *k, name); + else + asprintf(&p, "%s/%s", *k, name); - assert(verb); - assert(i); - assert(config_path); + if (!p) { + log_error("No memory"); + r = -ENOMEM; + goto finish; + } - STRV_FOREACH(s, i->wanted_by) { - if (!unit_name_is_valid_no_type(*s, true)) { - log_error("Invalid name %s.", *s); - r = -EINVAL; - goto finish; + found_native = access(p, F_OK) >= 0; + free(p); + + if (found_native) + break; } - free(alias_path); - alias_path = NULL; + if (found_native) + continue; - if (asprintf(&alias_path, "%s/%s.wants/%s", config_path, *s, i->name) < 0) { - log_error("Out of memory"); + p = NULL; + if (!isempty(arg_root)) + asprintf(&p, "%s/" SYSTEM_SYSVINIT_PATH "/%s", arg_root, name); + else + asprintf(&p, SYSTEM_SYSVINIT_PATH "/%s", name); + if (!p) { + log_error("No memory"); r = -ENOMEM; goto finish; } - if ((r = create_symlink(verb, i->path, alias_path)) != 0) - goto finish; - - if (streq(verb, "disable")) - rmdir_parents(alias_path, config_path); - } - - r = 0; + p[strlen(p) - sizeof(".service") + 1] = 0; + found_sysv = access(p, F_OK) >= 0; -finish: - free(alias_path); + if (!found_sysv) { + free(p); + continue; + } - return r; -} + /* Mark this entry, so that we don't try enabling it as native unit */ + args[f] = (char*) ""; -static int install_info_apply(const char *verb, LookupPaths *paths, InstallInfo *i, const char *config_path) { + log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name); - const ConfigItem items[] = { - { "Alias", config_parse_strv, 0, &i->aliases, "Install" }, - { "WantedBy", config_parse_strv, 0, &i->wanted_by, "Install" }, - { "Also", config_parse_also, 0, NULL, "Install" }, + if (!isempty(arg_root)) + argv[c++] = q = strappend("--root=", arg_root); - { NULL, NULL, 0, NULL, NULL } - }; + argv[c++] = file_name_from_path(p); + argv[c++] = + streq(verb, "enable") ? "on" : + streq(verb, "disable") ? "off" : "--level=5"; + argv[c] = NULL; - char **p; - char *filename = NULL; - FILE *f = NULL; - int r; + l = strv_join((char**)argv, " "); + if (!l) { + log_error("No memory."); + free(q); + free(p); + r = -ENOMEM; + goto finish; + } - assert(paths); - assert(i); + log_info("Executing %s", l); + free(l); - STRV_FOREACH(p, paths->unit_path) { - int fd; + pid = fork(); + if (pid < 0) { + log_error("Failed to fork: %m"); + free(p); + free(q); + r = -errno; + goto finish; + } else if (pid == 0) { + /* Child */ - if (!(filename = path_make_absolute(i->name, *p))) { - log_error("Out of memory"); - return -ENOMEM; + execv(argv[0], (char**) argv); + _exit(EXIT_FAILURE); } - /* Ensure that we don't follow symlinks */ - if ((fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOFOLLOW|O_NOCTTY)) >= 0) - if ((f = fdopen(fd, "re"))) - break; + free(p); + free(q); - if (errno == ELOOP) { - log_error("Refusing to operate on symlinks, please pass unit names or absolute paths to unit files."); - free(filename); - return -errno; + j = wait_for_terminate(pid, &status); + if (j < 0) { + log_error("Failed to wait for child: %s", strerror(-r)); + r = j; + goto finish; } - if (errno != ENOENT) { - log_error("Failed to open %s: %m", filename); - free(filename); - return -errno; - } + if (status.si_code == CLD_EXITED) { + if (streq(verb, "is-enabled")) { + if (status.si_status == 0) { + if (!arg_quiet) + puts("enabled"); + r = 1; + } else { + if (!arg_quiet) + puts("disabled"); + } - free(filename); - filename = NULL; + } else if (status.si_status != 0) { + r = -EINVAL; + goto finish; + } + } else { + r = -EPROTO; + goto finish; + } } - if (!f) { -#if (defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA) || defined(TARGET_SUSE) || defined(TARGET_MEEGO) || defined(TARGET_ALTLINUX)) && defined (HAVE_SYSV_COMPAT) +finish: + lookup_paths_free(&paths); - if (endswith(i->name, ".service")) { - char *sysv; - bool exists; + /* Drop all SysV units */ + for (f = 1, t = 1; args[f]; f++) { - if (asprintf(&sysv, SYSTEM_SYSVINIT_PATH "/%s", i->name) < 0) { - log_error("Out of memory"); - return -ENOMEM; - } + if (isempty(args[f])) + continue; + + args[t++] = args[f]; + } - sysv[strlen(sysv) - sizeof(".service") + 1] = 0; - exists = access(sysv, F_OK) >= 0; + args[t] = NULL; - if (exists) { - pid_t pid; - siginfo_t status; +#endif + return r; +} - const char *argv[] = { - "/sbin/chkconfig", - NULL, - NULL, - NULL - }; +static int enable_unit(DBusConnection *bus, char **args) { + const char *verb = args[0]; + UnitFileChange *changes = NULL; + unsigned n_changes = 0, i; + int carries_install_info = -1; + DBusMessage *m = NULL, *reply = NULL; + int r; + DBusError error; - log_info("%s is not a native service, redirecting to /sbin/chkconfig.", i->name); + dbus_error_init(&error); - argv[1] = file_name_from_path(sysv); - argv[2] = - streq(verb, "enable") ? "on" : - streq(verb, "disable") ? "off" : "--level=5"; + r = enable_sysv_units(args); + if (r < 0) + return r; - log_info("Executing %s %s %s", argv[0], argv[1], strempty(argv[2])); + if (!bus || avoid_bus()) { + if (streq(verb, "enable")) { + r = unit_file_enable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes); + carries_install_info = r; + } else if (streq(verb, "disable")) + r = unit_file_disable(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes); + else if (streq(verb, "reenable")) { + r = unit_file_reenable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes); + carries_install_info = r; + } else if (streq(verb, "link")) + r = unit_file_link(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes); + else if (streq(verb, "preset")) { + r = unit_file_preset(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes); + carries_install_info = r; + } else if (streq(verb, "mask")) + r = unit_file_mask(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes); + else if (streq(verb, "unmask")) + r = unit_file_unmask(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes); + else + assert_not_reached("Unknown verb"); - if ((pid = fork()) < 0) { - log_error("Failed to fork: %m"); - free(sysv); - return -errno; - } else if (pid == 0) { - execv(argv[0], (char**) argv); - _exit(EXIT_FAILURE); - } + if (r < 0) { + log_error("Operation failed: %s", strerror(-r)); + goto finish; + } - free(sysv); + for (i = 0; i < n_changes; i++) { + if (changes[i].type == UNIT_FILE_SYMLINK) + log_info("ln -s '%s' '%s'", changes[i].source, changes[i].path); + else + log_info("rm '%s'", changes[i].path); + } - if ((r = wait_for_terminate(pid, &status)) < 0) - return r; + } else { + const char *method; + bool send_force = true, expect_carries_install_info = false; + dbus_bool_t a, b; + DBusMessageIter iter, sub, sub2; + + if (streq(verb, "enable")) { + method = "EnableUnitFiles"; + expect_carries_install_info = true; + } else if (streq(verb, "disable")) { + method = "DisableUnitFiles"; + send_force = false; + } else if (streq(verb, "reenable")) { + method = "ReenableUnitFiles"; + expect_carries_install_info = true; + } else if (streq(verb, "link")) + method = "LinkUnitFiles"; + else if (streq(verb, "preset")) { + method = "PresetUnitFiles"; + expect_carries_install_info = true; + } else if (streq(verb, "mask")) + method = "MaskUnitFiles"; + else if (streq(verb, "unmask")) { + method = "UnmaskUnitFiles"; + send_force = false; + } else + assert_not_reached("Unknown verb"); + + m = dbus_message_new_method_call( + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + method); + if (!m) { + log_error("Out of memory"); + r = -ENOMEM; + goto finish; + } - if (status.si_code == CLD_EXITED) { + dbus_message_iter_init_append(m, &iter); - if (streq(verb, "is-enabled")) - return status.si_status == 0 ? 1 : 0; + r = bus_append_strv_iter(&iter, args+1); + if (r < 0) { + log_error("Failed to append unit files."); + goto finish; + } - if (status.si_status == 0) - n_symlinks ++; + a = arg_runtime; + if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &a)) { + log_error("Failed to append runtime boolean."); + r = -ENOMEM; + goto finish; + } - return status.si_status == 0 ? 0 : -EINVAL; + if (send_force) { + b = arg_force; - } else - return -EPROTO; + if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b)) { + log_error("Failed to append force boolean."); + r = -ENOMEM; + goto finish; } - - free(sysv); } -#endif - - log_error("Couldn't find %s.", i->name); - return -ENOENT; - } + reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); + if (!reply) { + log_error("Failed to issue method call: %s", bus_error_message(&error)); + r = -EIO; + goto finish; + } - i->path = filename; + if (!dbus_message_iter_init(reply, &iter)) { + log_error("Failed to initialize iterator."); + goto finish; + } - if ((r = config_parse(filename, f, NULL, items, true, i)) < 0) { - fclose(f); - return r; - } + if (expect_carries_install_info) { + r = bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &b, true); + if (r < 0) { + log_error("Failed to parse reply."); + goto finish; + } - /* Consider unit files stored in /lib and /usr always enabled - * if they have no [Install] data. */ - if (streq(verb, "is-enabled") && - strv_isempty(i->aliases) && - strv_isempty(i->wanted_by) && - !path_startswith(filename, "/etc")) { - fclose(f); - return 1; - } + carries_install_info = b; + } - n_symlinks += strv_length(i->aliases); - n_symlinks += strv_length(i->wanted_by); + if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || + dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) { + log_error("Failed to parse reply."); + r = -EIO; + goto finish; + } - fclose(f); + dbus_message_iter_recurse(&iter, &sub); + while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { + const char *type, *path, *source; - if ((r = install_info_symlink_alias(verb, i, config_path)) != 0) - return r; + if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) { + log_error("Failed to parse reply."); + r = -EIO; + goto finish; + } - if ((r = install_info_symlink_wants(verb, i, config_path)) != 0) - return r; + dbus_message_iter_recurse(&sub, &sub2); - if ((r = mark_symlink_for_removal(filename)) < 0) - return r; + if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0 || + bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &source, false) < 0) { + log_error("Failed to parse reply."); + r = -EIO; + goto finish; + } - if ((r = remove_marked_symlinks(config_path)) < 0) - return r; + if (streq(type, "symlink")) + log_info("ln -s '%s' '%s'", source, path); + else + log_info("rm '%s'", path); - return 0; -} + dbus_message_iter_next(&sub); + } -static char *get_config_path(void) { + /* Try to reload if enabeld */ + if (!arg_no_reload) + r = daemon_reload(bus, args); + } - if (arg_user && arg_global) - return strdup(USER_CONFIG_UNIT_PATH); + if (carries_install_info == 0) + log_warning("Warning: unit files do not carry install information. No operation executed."); - if (arg_user) { - char *p; +finish: + if (m) + dbus_message_unref(m); - if (user_config_home(&p) < 0) - return NULL; + if (reply) + dbus_message_unref(reply); - return p; - } + unit_file_changes_free(changes, n_changes); - return strdup(SYSTEM_CONFIG_UNIT_PATH); + dbus_error_free(&error); + return r; } -static int enable_unit(DBusConnection *bus, char **args, unsigned n) { +static int unit_is_enabled(DBusConnection *bus, char **args) { DBusError error; int r; - LookupPaths paths; - char *config_path = NULL; - unsigned j; - InstallInfo *i; - const char *verb = args[0]; + DBusMessage *m = NULL, *reply = NULL; + bool enabled; + char **name; dbus_error_init(&error); - zero(paths); - if ((r = lookup_paths_init(&paths, arg_user ? MANAGER_USER : MANAGER_SYSTEM)) < 0) { - log_error("Failed to determine lookup paths: %s", strerror(-r)); - goto finish; - } + r = enable_sysv_units(args); + if (r < 0) + return r; - if (!(config_path = get_config_path())) { - log_error("Failed to determine config path"); - r = -ENOMEM; - goto finish; - } + enabled = r > 0; - will_install = hashmap_new(string_hash_func, string_compare_func); - have_installed = hashmap_new(string_hash_func, string_compare_func); + if (!bus || avoid_bus()) { - if (!will_install || !have_installed) { - log_error("Failed to allocate unit sets."); - r = -ENOMEM; - goto finish; - } + STRV_FOREACH(name, args+1) { + UnitFileState state; - if (!arg_defaults && streq(verb, "disable")) - if (!(remove_symlinks_to = set_new(string_hash_func, string_compare_func))) { - log_error("Failed to allocate symlink sets."); - r = -ENOMEM; - goto finish; - } + state = unit_file_get_state(arg_scope, arg_root, *name); + if (state < 0) { + r = state; + goto finish; + } - for (j = 1; j < n; j++) - if ((r = install_info_add(args[j])) < 0) { - log_warning("Cannot install unit %s: %s", args[j], strerror(-r)); - goto finish; + if (state == UNIT_FILE_ENABLED || + state == UNIT_FILE_ENABLED_RUNTIME || + state == UNIT_FILE_STATIC) + enabled = true; + + if (!arg_quiet) + puts(unit_file_state_to_string(state)); } - r = 0; + } else { + STRV_FOREACH(name, args+1) { + const char *s; - while ((i = hashmap_first(will_install))) { - int q; + m = dbus_message_new_method_call( + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "GetUnitFileState"); + if (!m) { + log_error("Out of memory"); + r = -ENOMEM; + goto finish; + } - assert_se(hashmap_move_one(have_installed, will_install, i->name) == 0); + if (!dbus_message_append_args(m, + DBUS_TYPE_STRING, name, + DBUS_TYPE_INVALID)) { + log_error("Could not append arguments to message."); + r = -ENOMEM; + goto finish; + } - if ((q = install_info_apply(verb, &paths, i, config_path)) != 0) { + reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); + if (!reply) { + log_error("Failed to issue method call: %s", bus_error_message(&error)); + r = -EIO; + goto finish; + } - if (q < 0) { - if (r == 0) - r = q; + if (!dbus_message_get_args(reply, &error, + DBUS_TYPE_STRING, &s, + DBUS_TYPE_INVALID)) { + log_error("Failed to parse reply: %s", bus_error_message(&error)); + r = -EIO; goto finish; } - /* In test mode and found something */ - r = 1; - break; - } - } + dbus_message_unref(m); + dbus_message_unref(reply); + m = reply = NULL; - if (streq(verb, "is-enabled")) - r = r > 0 ? 0 : -ENOENT; - else { - if (n_symlinks <= 0) - log_warning("Unit files contain no applicable installation information. Ignoring."); - - if (bus && - /* Don't try to reload anything if the user asked us to not do this */ - !arg_no_reload && - /* Don't try to reload anything when updating a unit globally */ - !arg_global && - /* Don't try to reload anything if we are called for system changes but the system wasn't booted with systemd */ - (arg_user || sd_booted() > 0) && - /* Don't try to reload anything if we are running in a chroot environment */ - (arg_user || running_in_chroot() <= 0) ) { - int q; - - if ((q = daemon_reload(bus, args, n)) < 0) - r = q; + if (streq(s, "enabled") || + streq(s, "enabled-runtime") || + streq(s, "static")) + enabled = true; + + if (!arg_quiet) + puts(s); } } -finish: - install_info_hashmap_free(will_install); - install_info_hashmap_free(have_installed); - - set_free_free(remove_symlinks_to); + r = enabled ? 0 : 1; - lookup_paths_free(&paths); +finish: + if (m) + dbus_message_unref(m); - free(config_path); + if (reply) + dbus_message_unref(reply); + dbus_error_free(&error); return r; } static int systemctl_help(void) { + pager_open_if_enabled(); + printf("%s [OPTIONS...] {COMMAND} ...\n\n" - "Send control commands to or query the systemd manager.\n\n" + "Query or send control commands to the systemd manager.\n\n" " -h --help Show this help\n" " --version Show package version\n" " -t --type=TYPE List only units of a particular type\n" @@ -4331,10 +3919,9 @@ static int systemctl_help(void) { " pending\n" " --ignore-dependencies\n" " When queueing a new job, ignore all its dependencies\n" - " --kill-mode=MODE How to send signal\n" " --kill-who=WHO Who to send signal to\n" " -s --signal=SIGNAL Which signal to send\n" - " -H --host=[user@]host\n" + " -H --host=[USER@]HOST\n" " Show information for remote host\n" " -P --privileged Acquire privileges before execution\n" " -q --quiet Suppress output\n" @@ -4342,7 +3929,7 @@ static int systemctl_help(void) { " --no-wall Don't send wall message before halt/power-off/reboot\n" " --no-reload When enabling/disabling unit files, don't reload daemon\n" " configuration\n" - " --no-pager Do not pipe output into a pager.\n" + " --no-pager Do not pipe output into a pager\n" " --no-ask-password\n" " Do not ask for system passwords\n" " --order When generating graph for dot, show only order\n" @@ -4352,9 +3939,10 @@ static int systemctl_help(void) { " --global Enable/disable unit files globally\n" " -f --force When enabling unit files, override existing symlinks\n" " When shutting down, execute action immediately\n" - " --defaults When disabling unit files, remove default symlinks only\n\n" - "Commands:\n" - " list-units List units\n" + " --root=PATH Enable unit files in the specified root directory\n" + " --runtime Enable unit files only temporarily until next reboot\n\n" + "Unit Commands:\n" + " list-units List loaded units\n" " start [NAME...] Start (activate) one or more units\n" " stop [NAME...] Stop (deactivate) one or more units\n" " reload [NAME...] Reload one or more units\n" @@ -4372,22 +3960,36 @@ static int systemctl_help(void) { " units/jobs or the manager\n" " reset-failed [NAME...] Reset failed state for all, one, or more\n" " units\n" + " load [NAME...] Load one or more units\n\n" + "Unit File Commands:\n" + " list-unit-files List installed unit files\n" " enable [NAME...] Enable one or more unit files\n" " disable [NAME...] Disable one or more unit files\n" - " is-enabled [NAME...] Check whether unit files are enabled\n" - " load [NAME...] Load one or more units\n" + " reenable [NAME...] Reenable one or more unit files\n" + " preset [NAME...] Enable/disable one or more unit files\n" + " based on preset configuration\n" + " mask [NAME...] Mask one or more units\n" + " unmask [NAME...] Unmask one or more units\n" + " link [PATH...] Link one or more units files into\n" + " the search path\n" + " is-enabled [NAME...] Check whether unit files are enabled\n\n" + "Job Commands:\n" " list-jobs List jobs\n" - " cancel [JOB...] Cancel all, one, or more jobs\n" - " monitor Monitor unit/job changes\n" + " cancel [JOB...] Cancel all, one, or more jobs\n\n" + "Status Commands:\n" " dump Dump server status\n" - " dot Dump dependency graph for dot(1)\n" + " dot Dump dependency graph for dot(1)\n\n" + "Snapshot Commands:\n" " snapshot [NAME] Create a snapshot\n" - " delete [NAME...] Remove one or more snapshots\n" - " daemon-reload Reload systemd manager configuration\n" - " daemon-reexec Reexecute systemd manager\n" + " delete [NAME...] Remove one or more snapshots\n\n" + "Environment Commands:\n" " show-environment Dump environment\n" " set-environment [NAME=VALUE...] Set one or more environment variables\n" - " unset-environment [NAME...] Unset one or more environment variables\n" + " unset-environment [NAME...] Unset one or more environment variables\n\n" + "Manager Lifecycle Commands:\n" + " daemon-reload Reload systemd manager configuration\n" + " daemon-reexec Reexecute systemd manager\n\n" + "System Commands:\n" " default Enter system default mode\n" " rescue Enter system rescue mode\n" " emergency Enter system emergency mode\n" @@ -4481,13 +4083,14 @@ static int systemctl_parse_argv(int argc, char *argv[]) { ARG_NO_WALL, ARG_ORDER, ARG_REQUIRE, + ARG_ROOT, ARG_FULL, ARG_NO_RELOAD, - ARG_DEFAULTS, ARG_KILL_MODE, ARG_KILL_WHO, ARG_NO_ASK_PASSWORD, - ARG_FAILED + ARG_FAILED, + ARG_RUNTIME }; static const struct option options[] = { @@ -4509,15 +4112,16 @@ static int systemctl_parse_argv(int argc, char *argv[]) { { "quiet", no_argument, NULL, 'q' }, { "order", no_argument, NULL, ARG_ORDER }, { "require", no_argument, NULL, ARG_REQUIRE }, + { "root", required_argument, NULL, ARG_ROOT }, { "force", no_argument, NULL, 'f' }, { "no-reload", no_argument, NULL, ARG_NO_RELOAD }, - { "defaults", no_argument, NULL, ARG_DEFAULTS }, - { "kill-mode", required_argument, NULL, ARG_KILL_MODE }, + { "kill-mode", required_argument, NULL, ARG_KILL_MODE }, /* undocumented on purpose */ { "kill-who", required_argument, NULL, ARG_KILL_WHO }, { "signal", required_argument, NULL, 's' }, { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, { "host", required_argument, NULL, 'H' }, { "privileged",no_argument, NULL, 'P' }, + { "runtime", no_argument, NULL, ARG_RUNTIME }, { NULL, 0, NULL, 0 } }; @@ -4576,11 +4180,15 @@ static int systemctl_parse_argv(int argc, char *argv[]) { break; case ARG_USER: - arg_user = true; + arg_scope = UNIT_FILE_USER; break; case ARG_SYSTEM: - arg_user = false; + arg_scope = UNIT_FILE_SYSTEM; + break; + + case ARG_GLOBAL: + arg_scope = UNIT_FILE_GLOBAL; break; case ARG_NO_BLOCK: @@ -4603,6 +4211,10 @@ static int systemctl_parse_argv(int argc, char *argv[]) { arg_dot = DOT_REQUIRE; break; + case ARG_ROOT: + arg_root = optarg; + break; + case ARG_FULL: arg_full = true; break; @@ -4623,15 +4235,6 @@ static int systemctl_parse_argv(int argc, char *argv[]) { arg_no_reload = true; break; - case ARG_GLOBAL: - arg_global = true; - arg_user = true; - break; - - case ARG_DEFAULTS: - arg_defaults = true; - break; - case ARG_KILL_WHO: arg_kill_who = optarg; break; @@ -4660,6 +4263,10 @@ static int systemctl_parse_argv(int argc, char *argv[]) { arg_host = optarg; break; + case ARG_RUNTIME: + arg_runtime = true; + break; + case '?': return -EINVAL; @@ -4669,7 +4276,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) { } } - if (arg_transport != TRANSPORT_NORMAL && arg_user) { + if (arg_transport != TRANSPORT_NORMAL && arg_scope != UNIT_FILE_SYSTEM) { log_error("Cannot access user instance remotely."); return -EINVAL; } @@ -4776,10 +4383,10 @@ static int parse_time_spec(const char *t, usec_t *_u) { if (streq(t, "now")) *_u = 0; - else if (t[0] == '+') { + else if (!strchr(t, ':')) { uint64_t u; - if (safe_atou64(t + 1, &u) < 0) + if (safe_atou64(t, &u) < 0) return -EINVAL; *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u; @@ -4820,18 +4427,6 @@ static int parse_time_spec(const char *t, usec_t *_u) { return 0; } -static bool kexec_loaded(void) { - bool loaded = false; - char *s; - - if (read_one_line_file("/sys/kernel/kexec_loaded", &s) >= 0) { - if (s[0] == '1') - loaded = true; - free(s); - } - return loaded; -} - static int shutdown_parse_argv(int argc, char *argv[]) { enum { @@ -5194,7 +4789,7 @@ static int talk_upstart(void) { goto finish; } - r = 0; + r = 1; finish: if (m) @@ -5259,9 +4854,10 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError EQUAL } argc_cmp; const int argc; - int (* const dispatch)(DBusConnection *bus, char **args, unsigned n); + int (* const dispatch)(DBusConnection *bus, char **args); } verbs[] = { { "list-units", LESS, 1, list_units }, + { "list-unit-files", EQUAL, 1, list_unit_files }, { "list-jobs", EQUAL, 1, list_jobs }, { "clear-jobs", EQUAL, 1, daemon_reload }, { "load", MORE, 2, load_unit }, @@ -5283,7 +4879,6 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError { "check", MORE, 2, check_unit }, { "show", MORE, 1, show }, { "status", MORE, 2, show }, - { "monitor", EQUAL, 1, monitor }, { "dump", EQUAL, 1, dump }, { "dot", EQUAL, 1, dot }, { "snapshot", LESS, 2, snapshot }, @@ -5304,7 +4899,12 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError { "reset-failed", MORE, 1, reset_failed }, { "enable", MORE, 2, enable_unit }, { "disable", MORE, 2, enable_unit }, - { "is-enabled", MORE, 2, enable_unit } + { "is-enabled", MORE, 2, unit_is_enabled }, + { "reenable", MORE, 2, enable_unit }, + { "preset", MORE, 2, enable_unit }, + { "mask", MORE, 2, enable_unit }, + { "unmask", MORE, 2, enable_unit }, + { "link", MORE, 2, enable_unit } }; int left; @@ -5367,23 +4967,30 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError /* Require a bus connection for all operations but * enable/disable */ - if (!streq(verbs[i].verb, "enable") && !streq(verbs[i].verb, "disable")) { + if (!streq(verbs[i].verb, "enable") && + !streq(verbs[i].verb, "disable") && + !streq(verbs[i].verb, "is-enable") && + !streq(verbs[i].verb, "reenable") && + !streq(verbs[i].verb, "preset") && + !streq(verbs[i].verb, "mask") && + !streq(verbs[i].verb, "unmask") && + !streq(verbs[i].verb, "link")) { if (running_in_chroot() > 0) { log_info("Running in chroot, ignoring request."); return 0; } - if (!bus) { + if (!bus && !avoid_bus()) { log_error("Failed to get D-Bus connection: %s", error->message); return -EIO; } } - return verbs[i].dispatch(bus, argv + optind, left); + return verbs[i].dispatch(bus, argv + optind); } -static int send_shutdownd(usec_t t, char mode, bool warn, const char *message) { +static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) { int fd = -1; struct msghdr msghdr; struct iovec iovec; @@ -5393,6 +5000,7 @@ static int send_shutdownd(usec_t t, char mode, bool warn, const char *message) { zero(c); c.elapse = t; c.mode = mode; + c.dry_run = dry_run; c.warn_wall = warn; if (message) @@ -5430,7 +5038,7 @@ static int reload_with_fallback(DBusConnection *bus) { if (bus) { /* First, try systemd via D-Bus. */ - if (daemon_reload(bus, NULL, 0) > 0) + if (daemon_reload(bus, NULL) >= 0) return 0; } @@ -5449,7 +5057,7 @@ static int start_with_fallback(DBusConnection *bus) { if (bus) { /* First, try systemd via D-Bus. */ - if (start_unit(bus, NULL, 0) >= 0) + if (start_unit(bus, NULL) >= 0) goto done; } @@ -5488,6 +5096,7 @@ static int halt_main(DBusConnection *bus) { arg_action == ACTION_HALT ? 'H' : arg_action == ACTION_POWEROFF ? 'P' : 'r', + arg_dry, !arg_no_wall, m); free(m); @@ -5549,8 +5158,9 @@ static int halt_main(DBusConnection *bus) { static int runlevel_main(void) { int r, runlevel, previous; - if ((r = utmp_get_runlevel(&runlevel, &previous)) < 0) { - printf("unknown\n"); + r = utmp_get_runlevel(&runlevel, &previous); + if (r < 0) { + puts("unknown"); return r; } @@ -5561,109 +5171,6 @@ static int runlevel_main(void) { return 0; } -static void pager_open(void) { - int fd[2]; - const char *pager; - pid_t parent_pid; - - if (pager_pid > 0) - return; - - if (!on_tty() || arg_no_pager) - return; - - if ((pager = getenv("SYSTEMD_PAGER")) || (pager = getenv("PAGER"))) - if (!*pager || streq(pager, "cat")) - return; - - /* Determine and cache number of columns before we spawn the - * pager so that we get the value from the actual tty */ - columns(); - - if (pipe(fd) < 0) { - log_error("Failed to create pager pipe: %m"); - return; - } - - parent_pid = getpid(); - - pager_pid = fork(); - if (pager_pid < 0) { - log_error("Failed to fork pager: %m"); - close_pipe(fd); - return; - } - - /* In the child start the pager */ - if (pager_pid == 0) { - - dup2(fd[0], STDIN_FILENO); - close_pipe(fd); - - setenv("LESS", "FRSX", 0); - - /* Make sure the pager goes away when the parent dies */ - if (prctl(PR_SET_PDEATHSIG, SIGTERM) < 0) - _exit(EXIT_FAILURE); - - /* Check whether our parent died before we were able - * to set the death signal */ - if (getppid() != parent_pid) - _exit(EXIT_SUCCESS); - - if (pager) { - execlp(pager, pager, NULL); - execl("/bin/sh", "sh", "-c", pager, NULL); - } else { - /* Debian's alternatives command for pagers is - * called 'pager'. Note that we do not call - * sensible-pagers here, since that is just a - * shell script that implements a logic that - * is similar to this one anyway, but is - * Debian-specific. */ - execlp("pager", "pager", NULL); - - execlp("less", "less", NULL); - execlp("more", "more", NULL); - } - - log_error("Unable to execute pager: %m"); - _exit(EXIT_FAILURE); - } - - /* Return in the parent */ - if (dup2(fd[1], STDOUT_FILENO) < 0) - log_error("Failed to duplicate pager pipe: %m"); - - close_pipe(fd); -} - -static void pager_close(void) { - siginfo_t dummy; - - if (pager_pid <= 0) - return; - - /* Inform pager that we are done */ - fclose(stdout); - kill(pager_pid, SIGCONT); - wait_for_terminate(pager_pid, &dummy); - pager_pid = 0; -} - -static void agent_close(void) { - siginfo_t dummy; - - if (agent_pid <= 0) - return; - - /* Inform agent that we are done */ - kill(agent_pid, SIGTERM); - kill(agent_pid, SIGCONT); - wait_for_terminate(agent_pid, &dummy); - agent_pid = 0; -} - int main(int argc, char*argv[]) { int r, retval = EXIT_FAILURE; DBusConnection *bus = NULL; @@ -5695,16 +5202,18 @@ int main(int argc, char*argv[]) { goto finish; } - if (arg_transport == TRANSPORT_NORMAL) - bus_connect(arg_user ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &bus, &private_bus, &error); - else if (arg_transport == TRANSPORT_POLKIT) { - bus_connect_system_polkit(&bus, &error); - private_bus = false; - } else if (arg_transport == TRANSPORT_SSH) { - bus_connect_system_ssh(NULL, arg_host, &bus, &error); - private_bus = false; - } else - assert_not_reached("Uh, invalid transport..."); + if (!avoid_bus()) { + if (arg_transport == TRANSPORT_NORMAL) + bus_connect(arg_scope == UNIT_FILE_SYSTEM ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, &bus, &private_bus, &error); + else if (arg_transport == TRANSPORT_POLKIT) { + bus_connect_system_polkit(&bus, &error); + private_bus = false; + } else if (arg_transport == TRANSPORT_SSH) { + bus_connect_system_ssh(NULL, arg_host, &bus, &error); + private_bus = false; + } else + assert_not_reached("Uh, invalid transport..."); + } switch (arg_action) { @@ -5735,7 +5244,7 @@ int main(int argc, char*argv[]) { break; case ACTION_CANCEL_SHUTDOWN: - r = send_shutdownd(0, 0, false, NULL); + r = send_shutdownd(0, 0, false, false, NULL); break; case ACTION_INVALID: @@ -5747,7 +5256,6 @@ int main(int argc, char*argv[]) { retval = r < 0 ? EXIT_FAILURE : r; finish: - if (bus) { dbus_connection_flush(bus); dbus_connection_close(bus);