coccinelle: make use of SYNTHETIC_ERRNO

[thirdparty/systemd.git] / src / login / loginctl.c

diff --git a/src/login/loginctl.c b/src/login/loginctl.c
index bf1cca509f2e76008e3dc3dd10c77a903c2c388b..fb5240d7d368c2c95e0bd32974ef6b572f36ace2 100644 (file)
--- a/src/login/loginctl.c
+++ b/src/login/loginctl.c
@@ -18,9 +18,12 @@
 #include "log.h"
 #include "logs-show.h"
 #include "macro.h"
+#include "main-func.h"
 #include "pager.h"
 #include "parse-util.h"
+#include "pretty-print.h"
 #include "process-util.h"
+#include "rlimit-util.h"
 #include "sigbus.h"
 #include "signal-util.h"
 #include "spawn-polkit-agent.h"
@@ -37,7 +40,7 @@ static char **arg_property = NULL;
 static bool arg_all = false;
 static bool arg_value = false;
 static bool arg_full = false;
-static bool arg_no_pager = false;
+static PagerFlags arg_pager_flags = 0;
 static bool arg_legend = true;
 static const char *arg_kill_who = NULL;
 static int arg_signal = SIGTERM;
@@ -47,6 +50,8 @@ static bool arg_ask_password = true;
 static unsigned arg_lines = 10;
 static OutputMode arg_output = OUTPUT_SHORT;
 
+STATIC_DESTRUCTOR_REGISTER(arg_property, strv_freep);
+
 static OutputFlags get_output_flags(void) {
 
         return
@@ -121,7 +126,7 @@ static int list_sessions(int argc, char *argv[], void *userdata) {
         assert(bus);
         assert(argv);
 
-        (void) pager_open(arg_no_pager, false);
+        (void) pager_open(arg_pager_flags);
 
         r = sd_bus_call_method(
                         bus,
@@ -202,7 +207,7 @@ static int list_users(int argc, char *argv[], void *userdata) {
         assert(bus);
         assert(argv);
 
-        (void) pager_open(arg_no_pager, false);
+        (void) pager_open(arg_pager_flags);
 
         r = sd_bus_call_method(
                         bus,
@@ -259,7 +264,7 @@ static int list_seats(int argc, char *argv[], void *userdata) {
         assert(bus);
         assert(argv);
 
-        (void) pager_open(arg_no_pager, false);
+        (void) pager_open(arg_pager_flags);
 
         r = sd_bus_call_method(
                         bus,
@@ -346,7 +351,7 @@ typedef struct SessionStatusInfo {
         uid_t uid;
         const char *name;
         struct dual_timestamp timestamp;
-        unsigned int vtnr;
+        unsigned vtnr;
         const char *seat;
         const char *tty;
         const char *display;
@@ -758,10 +763,10 @@ static int print_property(const char *name, const char *expected_value, sd_bus_m
                         if (r < 0)
                                 return bus_log_parse_error(r);
 
-                        if (!uid_is_valid(uid)) {
-                                log_error("Invalid user ID: " UID_FMT, uid);
-                                return -EINVAL;
-                        }
+                        if (!uid_is_valid(uid))
+                                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                                       "Invalid user ID: " UID_FMT,
+                                                       uid);
 
                         bus_print_property_value(name, expected_value, value, UID_FMT, uid);
                         return 1;
@@ -835,7 +840,7 @@ static int show_session(int argc, char *argv[], void *userdata) {
 
         properties = !strstr(argv[0], "status");
 
-        (void) pager_open(arg_no_pager, false);
+        (void) pager_open(arg_pager_flags);
 
         if (argc <= 1) {
                 const char *session, *p = "/org/freedesktop/login1/session/self";
@@ -884,7 +889,7 @@ static int show_user(int argc, char *argv[], void *userdata) {
 
         properties = !strstr(argv[0], "status");
 
-        (void) pager_open(arg_no_pager, false);
+        (void) pager_open(arg_pager_flags);
 
         if (argc <= 1) {
                 /* If not argument is specified inspect the manager
@@ -942,7 +947,7 @@ static int show_seat(int argc, char *argv[], void *userdata) {
 
         properties = !strstr(argv[0], "status");
 
-        (void) pager_open(arg_no_pager, false);
+        (void) pager_open(arg_pager_flags);
 
         if (argc <= 1) {
                 /* If not argument is specified inspect the manager
@@ -1283,7 +1288,7 @@ static int help(int argc, char *argv[], void *userdata) {
         _cleanup_free_ char *link = NULL;
         int r;
 
-        (void) pager_open(arg_no_pager, false);
+        (void) pager_open(arg_pager_flags);
 
         r = terminal_urlify_man("loginctl", "1", &link);
         if (r < 0)
@@ -1308,7 +1313,8 @@ static int help(int argc, char *argv[], void *userdata) {
                "  -o --output=STRING       Change journal output mode (short, short-precise,\n"
                "                             short-iso, short-iso-precise, short-full,\n"
                "                             short-monotonic, short-unix, verbose, export,\n"
-               "                             json, json-pretty, json-sse, cat)\n"
+               "                             json, json-pretty, json-sse, json-seq, cat,\n"
+               "                             with-unit)\n"
                "Session Commands:\n"
                "  list-sessions            List sessions\n"
                "  session-status [ID...]   Show session status\n"
@@ -1413,10 +1419,9 @@ static int parse_argv(int argc, char *argv[]) {
                         break;
 
                 case 'n':
-                        if (safe_atou(optarg, &arg_lines) < 0) {
-                                log_error("Failed to parse lines '%s'", optarg);
-                                return -EINVAL;
-                        }
+                        if (safe_atou(optarg, &arg_lines) < 0)
+                                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                                       "Failed to parse lines '%s'", optarg);
                         break;
 
                 case 'o':
@@ -1426,14 +1431,13 @@ static int parse_argv(int argc, char *argv[]) {
                         }
 
                         arg_output = output_mode_from_string(optarg);
-                        if (arg_output < 0) {
-                                log_error("Unknown output '%s'.", optarg);
-                                return -EINVAL;
-                        }
+                        if (arg_output < 0)
+                                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                                       "Unknown output '%s'.", optarg);
                         break;
 
                 case ARG_NO_PAGER:
-                        arg_no_pager = true;
+                        arg_pager_flags |= PAGER_DISABLE;
                         break;
 
                 case ARG_NO_LEGEND:
@@ -1455,10 +1459,9 @@ static int parse_argv(int argc, char *argv[]) {
                         }
 
                         arg_signal = signal_from_string(optarg);
-                        if (arg_signal < 0) {
-                                log_error("Failed to parse signal string %s.", optarg);
-                                return -EINVAL;
-                        }
+                        if (arg_signal < 0)
+                                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                                       "Failed to parse signal string %s.", optarg);
                         break;
 
                 case 'H':
@@ -1514,37 +1517,30 @@ static int loginctl_main(int argc, char *argv[], sd_bus *bus) {
         return dispatch_verb(argc, argv, verbs, bus);
 }
 
-int main(int argc, char *argv[]) {
-        sd_bus *bus = NULL;
+static int run(int argc, char *argv[]) {
+        _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
         int r;
 
         setlocale(LC_ALL, "");
         log_parse_environment();
         log_open();
+
+        /* The journal merging logic potentially needs a lot of fds. */
+        (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
+
         sigbus_install();
 
         r = parse_argv(argc, argv);
         if (r <= 0)
-                goto finish;
+                return r;
 
         r = bus_connect_transport(arg_transport, arg_host, false, &bus);
-        if (r < 0) {
-                log_error_errno(r, "Failed to create bus connection: %m");
-                goto finish;
-        }
-
-        sd_bus_set_allow_interactive_authorization(bus, arg_ask_password);
-
-        r = loginctl_main(argc, argv, bus);
-
-finish:
-        /* make sure we terminate the bus connection first, and then close the
-         * pager, see issue #3543 for the details. */
-        sd_bus_flush_close_unref(bus);
-        pager_close();
-        polkit_agent_close();
+        if (r < 0)
+                return log_error_errno(r, "Failed to create bus connection: %m");
 
-        strv_free(arg_property);
+        (void) sd_bus_set_allow_interactive_authorization(bus, arg_ask_password);
 
-        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+        return loginctl_main(argc, argv, bus);
 }
+
+DEFINE_MAIN_FUNCTION(run);