diff options
-rw-r--r-- | src/login/loginctl.c | 323 | ||||
-rw-r--r-- | src/machine/machinectl.c | 4 |
2 files changed, 145 insertions, 182 deletions
diff --git a/src/login/loginctl.c b/src/login/loginctl.c index 9f7790389a..0fdd42b2dd 100644 --- a/src/login/loginctl.c +++ b/src/login/loginctl.c @@ -41,6 +41,7 @@ #include "cgroup-show.h" #include "cgroup-util.h" #include "spawn-polkit-agent.h" +#include "verbs.h" static char **arg_property = NULL; static bool arg_all = false; @@ -85,14 +86,18 @@ static OutputFlags get_output_flags(void) { on_tty() * OUTPUT_COLOR; } -static int list_sessions(sd_bus *bus, char **args, unsigned n) { +static int list_sessions(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; const char *id, *user, *seat, *object; + sd_bus *bus = userdata; unsigned k = 0; uint32_t uid; int r; + assert(bus); + assert(argv); + pager_open_if_enabled(); r = sd_bus_call_method( @@ -128,14 +133,18 @@ static int list_sessions(sd_bus *bus, char **args, unsigned n) { return 0; } -static int list_users(sd_bus *bus, char **args, unsigned n) { +static int list_users(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; const char *user, *object; + sd_bus *bus = userdata; unsigned k = 0; uint32_t uid; int r; + assert(bus); + assert(argv); + pager_open_if_enabled(); r = sd_bus_call_method( @@ -171,13 +180,17 @@ static int list_users(sd_bus *bus, char **args, unsigned n) { return 0; } -static int list_seats(sd_bus *bus, char **args, unsigned n) { +static int list_seats(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; const char *seat, *object; + sd_bus *bus = userdata; unsigned k = 0; int r; + assert(bus); + assert(argv); + pager_open_if_enabled(); r = sd_bus_call_method( @@ -659,25 +672,25 @@ static int show_properties(sd_bus *bus, const char *path, bool *new_line) { return r; } -static int show_session(sd_bus *bus, char **args, unsigned n) { +static int show_session(int argc, char *argv[], void *userdata) { bool properties, new_line = false; - unsigned i; - int r; + sd_bus *bus = userdata; + int r, i; assert(bus); - assert(args); + assert(argv); - properties = !strstr(args[0], "status"); + properties = !strstr(argv[0], "status"); pager_open_if_enabled(); - if (properties && n <= 1) { + if (properties && argc <= 1) { /* If not argument is specified inspect the manager * itself */ return show_properties(bus, "/org/freedesktop/login1", &new_line); } - for (i = 1; i < n; i++) { + for (i = 1; i < argc; i++) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message * reply = NULL; const char *path = NULL; @@ -689,7 +702,7 @@ static int show_session(sd_bus *bus, char **args, unsigned n) { "org.freedesktop.login1.Manager", "GetSession", &error, &reply, - "s", args[i]); + "s", argv[i]); if (r < 0) { log_error("Failed to get session: %s", bus_error_message(&error, r)); return r; @@ -711,33 +724,33 @@ static int show_session(sd_bus *bus, char **args, unsigned n) { return 0; } -static int show_user(sd_bus *bus, char **args, unsigned n) { +static int show_user(int argc, char *argv[], void *userdata) { bool properties, new_line = false; - unsigned i; - int r; + sd_bus *bus = userdata; + int r, i; assert(bus); - assert(args); + assert(argv); - properties = !strstr(args[0], "status"); + properties = !strstr(argv[0], "status"); pager_open_if_enabled(); - if (properties && n <= 1) { + if (properties && argc <= 1) { /* If not argument is specified inspect the manager * itself */ return show_properties(bus, "/org/freedesktop/login1", &new_line); } - for (i = 1; i < n; i++) { + for (i = 1; i < argc; i++) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message * reply = NULL; const char *path = NULL; uid_t uid; - r = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL); + r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL); if (r < 0) - return log_error_errno(r, "Failed to look up user %s: %m", args[i]); + return log_error_errno(r, "Failed to look up user %s: %m", argv[i]); r = sd_bus_call_method( bus, @@ -768,25 +781,25 @@ static int show_user(sd_bus *bus, char **args, unsigned n) { return 0; } -static int show_seat(sd_bus *bus, char **args, unsigned n) { +static int show_seat(int argc, char *argv[], void *userdata) { bool properties, new_line = false; - unsigned i; - int r; + sd_bus *bus = userdata; + int r, i; assert(bus); - assert(args); + assert(argv); - properties = !strstr(args[0], "status"); + properties = !strstr(argv[0], "status"); pager_open_if_enabled(); - if (properties && n <= 1) { + if (properties && argc <= 1) { /* If not argument is specified inspect the manager * itself */ return show_properties(bus, "/org/freedesktop/login1", &new_line); } - for (i = 1; i < n; i++) { + for (i = 1; i < argc; i++) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message * reply = NULL; const char *path = NULL; @@ -798,7 +811,7 @@ static int show_seat(sd_bus *bus, char **args, unsigned n) { "org.freedesktop.login1.Manager", "GetSeat", &error, &reply, - "s", args[i]); + "s", argv[i]); if (r < 0) { log_error("Failed to get seat: %s", bus_error_message(&error, r)); return r; @@ -820,28 +833,29 @@ static int show_seat(sd_bus *bus, char **args, unsigned n) { return 0; } -static int activate(sd_bus *bus, char **args, unsigned n) { +static int activate(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - unsigned i; - int r; + sd_bus *bus = userdata; + int r, i; - assert(args); + assert(bus); + assert(argv); polkit_agent_open_if_enabled(); - for (i = 1; i < n; i++) { + for (i = 1; i < argc; i++) { r = sd_bus_call_method ( bus, "org.freedesktop.login1", "/org/freedesktop/login1", "org.freedesktop.login1.Manager", - streq(args[0], "lock-session") ? "LockSession" : - streq(args[0], "unlock-session") ? "UnlockSession" : - streq(args[0], "terminate-session") ? "TerminateSession" : + streq(argv[0], "lock-session") ? "LockSession" : + streq(argv[0], "unlock-session") ? "UnlockSession" : + streq(argv[0], "terminate-session") ? "TerminateSession" : "ActivateSession", &error, NULL, - "s", args[i]); + "s", argv[i]); if (r < 0) { log_error("Failed to issue method call: %s", bus_error_message(&error, -r)); return r; @@ -851,19 +865,20 @@ static int activate(sd_bus *bus, char **args, unsigned n) { return 0; } -static int kill_session(sd_bus *bus, char **args, unsigned n) { +static int kill_session(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - unsigned i; - int r; + sd_bus *bus = userdata; + int r, i; - assert(args); + assert(bus); + assert(argv); polkit_agent_open_if_enabled(); if (!arg_kill_who) arg_kill_who = "all"; - for (i = 1; i < n; i++) { + for (i = 1; i < argc; i++) { r = sd_bus_call_method ( bus, @@ -872,7 +887,7 @@ static int kill_session(sd_bus *bus, char **args, unsigned n) { "org.freedesktop.login1.Manager", "KillSession", &error, NULL, - "ssi", args[i], arg_kill_who, arg_signal); + "ssi", argv[i], arg_kill_who, arg_signal); if (r < 0) { log_error("Could not kill session: %s", bus_error_message(&error, -r)); return r; @@ -882,24 +897,25 @@ static int kill_session(sd_bus *bus, char **args, unsigned n) { return 0; } -static int enable_linger(sd_bus *bus, char **args, unsigned n) { +static int enable_linger(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - unsigned i; + sd_bus *bus = userdata; bool b; - int r; + int r, i; - assert(args); + assert(bus); + assert(argv); polkit_agent_open_if_enabled(); - b = streq(args[0], "enable-linger"); + b = streq(argv[0], "enable-linger"); - for (i = 1; i < n; i++) { + for (i = 1; i < argc; i++) { uid_t uid; - r = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL); + r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL); if (r < 0) - return log_error_errno(r, "Failed to look up user %s: %m", args[i]); + return log_error_errno(r, "Failed to look up user %s: %m", argv[i]); r = sd_bus_call_method ( bus, @@ -918,21 +934,22 @@ static int enable_linger(sd_bus *bus, char **args, unsigned n) { return 0; } -static int terminate_user(sd_bus *bus, char **args, unsigned n) { +static int terminate_user(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - unsigned i; - int r; + sd_bus *bus = userdata; + int r, i; - assert(args); + assert(bus); + assert(argv); polkit_agent_open_if_enabled(); - for (i = 1; i < n; i++) { + for (i = 1; i < argc; i++) { uid_t uid; - r = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL); + r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL); if (r < 0) - return log_error_errno(r, "Failed to look up user %s: %m", args[i]); + return log_error_errno(r, "Failed to look up user %s: %m", argv[i]); r = sd_bus_call_method ( bus, @@ -951,24 +968,25 @@ static int terminate_user(sd_bus *bus, char **args, unsigned n) { return 0; } -static int kill_user(sd_bus *bus, char **args, unsigned n) { +static int kill_user(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - unsigned i; - int r; + sd_bus *bus = userdata; + int r, i; - assert(args); + assert(bus); + assert(argv); polkit_agent_open_if_enabled(); if (!arg_kill_who) arg_kill_who = "all"; - for (i = 1; i < n; i++) { + for (i = 1; i < argc; i++) { uid_t uid; - r = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL); + r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL); if (r < 0) - return log_error_errno(r, "Failed to look up user %s: %m", args[i]); + return log_error_errno(r, "Failed to look up user %s: %m", argv[i]); r = sd_bus_call_method ( bus, @@ -987,16 +1005,17 @@ static int kill_user(sd_bus *bus, char **args, unsigned n) { return 0; } -static int attach(sd_bus *bus, char **args, unsigned n) { +static int attach(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - unsigned i; - int r; + sd_bus *bus = userdata; + int r, i; - assert(args); + assert(bus); + assert(argv); polkit_agent_open_if_enabled(); - for (i = 2; i < n; i++) { + for (i = 2; i < argc; i++) { r = sd_bus_call_method ( bus, @@ -1005,7 +1024,7 @@ static int attach(sd_bus *bus, char **args, unsigned n) { "org.freedesktop.login1.Manager", "AttachDevice", &error, NULL, - "ssb", args[1], args[i], true); + "ssb", argv[1], argv[i], true); if (r < 0) { log_error("Could not attach device: %s", bus_error_message(&error, -r)); @@ -1016,11 +1035,13 @@ static int attach(sd_bus *bus, char **args, unsigned n) { return 0; } -static int flush_devices(sd_bus *bus, char **args, unsigned n) { +static int flush_devices(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + sd_bus *bus = userdata; int r; - assert(args); + assert(bus); + assert(argv); polkit_agent_open_if_enabled(); @@ -1038,20 +1059,22 @@ static int flush_devices(sd_bus *bus, char **args, unsigned n) { return r; } -static int lock_sessions(sd_bus *bus, char **args, unsigned n) { +static int lock_sessions(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + sd_bus *bus = userdata; int r; - assert(args); + assert(bus); + assert(argv); polkit_agent_open_if_enabled(); - r = sd_bus_call_method ( + r = sd_bus_call_method( bus, "org.freedesktop.login1", "/org/freedesktop/login1", "org.freedesktop.login1.Manager", - streq(args[0], "lock-sessions") ? "LockSessions" : "UnlockSessions", + streq(argv[0], "lock-sessions") ? "LockSessions" : "UnlockSessions", &error, NULL, NULL); if (r < 0) @@ -1060,25 +1083,26 @@ static int lock_sessions(sd_bus *bus, char **args, unsigned n) { return r; } -static int terminate_seat(sd_bus *bus, char **args, unsigned n) { +static int terminate_seat(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - unsigned i; - int r; + sd_bus *bus = userdata; + int r, i; - assert(args); + assert(bus); + assert(argv); polkit_agent_open_if_enabled(); - for (i = 1; i < n; i++) { + for (i = 1; i < argc; i++) { - r = sd_bus_call_method ( + r = sd_bus_call_method( bus, "org.freedesktop.login1", "/org/freedesktop/login1", "org.freedesktop.login1.Manager", "TerminateSeat", &error, NULL, - "s", args[i]); + "s", argv[i]); if (r < 0) { log_error("Could not terminate seat: %s", bus_error_message(&error, -r)); return r; @@ -1088,7 +1112,7 @@ static int terminate_seat(sd_bus *bus, char **args, unsigned n) { return 0; } -static void help(void) { +static int help(int argc, char *argv[], void *userdata) { printf("%s [OPTIONS...] {COMMAND} ...\n\n" "Send control commands to or query the login manager.\n\n" @@ -1134,6 +1158,8 @@ static void help(void) { " flush-devices Flush all device associations\n" " terminate-seat NAME... Terminate all sessions on one or more seats\n" , program_invocation_short_name); + + return 0; } static int parse_argv(int argc, char *argv[]) { @@ -1174,7 +1200,7 @@ static int parse_argv(int argc, char *argv[]) { switch (c) { case 'h': - help(); + help(0, NULL, NULL); return 0; case ARG_VERSION: @@ -1261,101 +1287,37 @@ static int parse_argv(int argc, char *argv[]) { return 1; } -static int loginctl_main(sd_bus *bus, int argc, char *argv[]) { - - static const struct { - const char* verb; - const enum { - MORE, - LESS, - EQUAL - } argc_cmp; - const int argc; - int (* const dispatch)(sd_bus *bus, char **args, unsigned n); - } verbs[] = { - { "list-sessions", LESS, 1, list_sessions }, - { "session-status", MORE, 2, show_session }, - { "show-session", MORE, 1, show_session }, - { "activate", EQUAL, 2, activate }, - { "lock-session", MORE, 2, activate }, - { "unlock-session", MORE, 2, activate }, - { "lock-sessions", EQUAL, 1, lock_sessions }, - { "unlock-sessions", EQUAL, 1, lock_sessions }, - { "terminate-session", MORE, 2, activate }, - { "kill-session", MORE, 2, kill_session }, - { "list-users", EQUAL, 1, list_users }, - { "user-status", MORE, 2, show_user }, - { "show-user", MORE, 1, show_user }, - { "enable-linger", MORE, 2, enable_linger }, - { "disable-linger", MORE, 2, enable_linger }, - { "terminate-user", MORE, 2, terminate_user }, - { "kill-user", MORE, 2, kill_user }, - { "list-seats", EQUAL, 1, list_seats }, - { "seat-status", MORE, 2, show_seat }, - { "show-seat", MORE, 1, show_seat }, - { "attach", MORE, 3, attach }, - { "flush-devices", EQUAL, 1, flush_devices }, - { "terminate-seat", MORE, 2, terminate_seat }, +static int loginctl_main(int argc, char *argv[], sd_bus *bus) { + + static const Verb verbs[] = { + { "help", VERB_ANY, VERB_ANY, 0, help }, + { "list-sessions", VERB_ANY, 1, VERB_DEFAULT, list_sessions }, + { "session-status", 2, VERB_ANY, 0, show_session }, + { "show-session", VERB_ANY, VERB_ANY, 0, show_session }, + { "activate", 2, 2, 0, activate }, + { "lock-session", 2, VERB_ANY, 0, activate }, + { "unlock-session", 2, VERB_ANY, 0, activate }, + { "lock-sessions", VERB_ANY, 1, 0, lock_sessions }, + { "unlock-sessions", VERB_ANY, 1, 0, lock_sessions }, + { "terminate-session", 2, VERB_ANY, 0, activate }, + { "kill-session", 2, VERB_ANY, 0, kill_session }, + { "list-users", VERB_ANY, 1, 0, list_users }, + { "user-status", 2, VERB_ANY, 0, show_user }, + { "show-user", VERB_ANY, VERB_ANY, 0, show_user }, + { "enable-linger", 2, VERB_ANY, 0, enable_linger }, + { "disable-linger", 2, VERB_ANY, 0, enable_linger }, + { "terminate-user", 2, VERB_ANY, 0, terminate_user }, + { "kill-user", 2, VERB_ANY, 0, kill_user }, + { "list-seats", VERB_ANY, 1, 0, list_seats }, + { "seat-status", 2, VERB_ANY, 0, show_seat }, + { "show-seat", VERB_ANY, 1, 0, show_seat }, + { "attach", 3, VERB_ANY, 0, attach }, + { "flush-devices", VERB_ANY, 1, 0, flush_devices }, + { "terminate-seat", 2, VERB_ANY, 0, terminate_seat }, + {} }; - int left; - unsigned i; - - assert(argc >= 0); - assert(argv); - - left = argc - optind; - - if (left <= 0) - /* Special rule: no arguments means "list-sessions" */ - i = 0; - else { - if (streq(argv[optind], "help")) { - help(); - return 0; - } - - for (i = 0; i < ELEMENTSOF(verbs); i++) - if (streq(argv[optind], verbs[i].verb)) - break; - - if (i >= ELEMENTSOF(verbs)) { - log_error("Unknown operation %s", argv[optind]); - return -EINVAL; - } - } - - switch (verbs[i].argc_cmp) { - - case EQUAL: - if (left != verbs[i].argc) { - log_error("Invalid number of arguments."); - return -EINVAL; - } - - break; - - case MORE: - if (left < verbs[i].argc) { - log_error("Too few arguments."); - return -EINVAL; - } - - break; - - case LESS: - if (left > verbs[i].argc) { - log_error("Too many arguments."); - return -EINVAL; - } - - break; - - default: - assert_not_reached("Unknown comparison operator."); - } - - return verbs[i].dispatch(bus, argv + optind, left); + return dispatch_verb(argc, argv, verbs, bus); } int main(int argc, char *argv[]) { @@ -1376,10 +1338,11 @@ int main(int argc, char *argv[]) { goto finish; } - r = loginctl_main(bus, argc, argv); + r = loginctl_main(argc, argv, bus); finish: pager_close(); + polkit_agent_close(); strv_free(arg_property); diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c index dbfc24541e..749170ede9 100644 --- a/src/machine/machinectl.c +++ b/src/machine/machinectl.c @@ -1778,8 +1778,8 @@ static int help(int argc, char *argv[], void *userdata) { " 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); + " remove NAME... Remove an image\n" + , program_invocation_short_name); return 0; } |