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-rw-r--r--src/userdb/userdbctl.c789
1 files changed, 789 insertions, 0 deletions
diff --git a/src/userdb/userdbctl.c b/src/userdb/userdbctl.c
new file mode 100644
index 0000000..a0e22df
--- /dev/null
+++ b/src/userdb/userdbctl.c
@@ -0,0 +1,789 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <getopt.h>
+#include <utmp.h>
+
+#include "dirent-util.h"
+#include "errno-list.h"
+#include "fd-util.h"
+#include "format-table.h"
+#include "format-util.h"
+#include "main-func.h"
+#include "pager.h"
+#include "parse-util.h"
+#include "pretty-print.h"
+#include "socket-util.h"
+#include "strv.h"
+#include "terminal-util.h"
+#include "user-record-show.h"
+#include "user-util.h"
+#include "userdb.h"
+#include "verbs.h"
+
+static enum {
+ OUTPUT_CLASSIC,
+ OUTPUT_TABLE,
+ OUTPUT_FRIENDLY,
+ OUTPUT_JSON,
+ _OUTPUT_INVALID = -1
+} arg_output = _OUTPUT_INVALID;
+
+static PagerFlags arg_pager_flags = 0;
+static bool arg_legend = true;
+static char** arg_services = NULL;
+static UserDBFlags arg_userdb_flags = 0;
+
+STATIC_DESTRUCTOR_REGISTER(arg_services, strv_freep);
+
+static int show_user(UserRecord *ur, Table *table) {
+ int r;
+
+ assert(ur);
+
+ switch (arg_output) {
+
+ case OUTPUT_CLASSIC:
+ if (!uid_is_valid(ur->uid))
+ break;
+
+ printf("%s:x:" UID_FMT ":" GID_FMT ":%s:%s:%s\n",
+ ur->user_name,
+ ur->uid,
+ user_record_gid(ur),
+ strempty(user_record_real_name(ur)),
+ user_record_home_directory(ur),
+ user_record_shell(ur));
+
+ break;
+
+ case OUTPUT_JSON:
+ json_variant_dump(ur->json, JSON_FORMAT_COLOR_AUTO|JSON_FORMAT_PRETTY, NULL, 0);
+ break;
+
+ case OUTPUT_FRIENDLY:
+ user_record_show(ur, true);
+
+ if (ur->incomplete) {
+ fflush(stdout);
+ log_warning("Warning: lacking rights to acquire privileged fields of user record of '%s', output incomplete.", ur->user_name);
+ }
+
+ break;
+
+ case OUTPUT_TABLE:
+ assert(table);
+
+ r = table_add_many(
+ table,
+ TABLE_STRING, ur->user_name,
+ TABLE_STRING, user_disposition_to_string(user_record_disposition(ur)),
+ TABLE_UID, ur->uid,
+ TABLE_GID, user_record_gid(ur),
+ TABLE_STRING, empty_to_null(ur->real_name),
+ TABLE_STRING, user_record_home_directory(ur),
+ TABLE_STRING, user_record_shell(ur),
+ TABLE_INT, (int) user_record_disposition(ur));
+ if (r < 0)
+ return table_log_add_error(r);
+
+ break;
+
+ default:
+ assert_not_reached("Unexpected output mode");
+ }
+
+ return 0;
+}
+
+static int display_user(int argc, char *argv[], void *userdata) {
+ _cleanup_(table_unrefp) Table *table = NULL;
+ bool draw_separator = false;
+ int ret = 0, r;
+
+ if (arg_output < 0)
+ arg_output = argc > 1 ? OUTPUT_FRIENDLY : OUTPUT_TABLE;
+
+ if (arg_output == OUTPUT_TABLE) {
+ table = table_new("name", "disposition", "uid", "gid", "realname", "home", "shell", "disposition-numeric");
+ if (!table)
+ return log_oom();
+
+ (void) table_set_align_percent(table, table_get_cell(table, 0, 2), 100);
+ (void) table_set_align_percent(table, table_get_cell(table, 0, 3), 100);
+ (void) table_set_empty_string(table, "-");
+ (void) table_set_sort(table, (size_t) 7, (size_t) 2, (size_t) -1);
+ (void) table_set_display(table, (size_t) 0, (size_t) 1, (size_t) 2, (size_t) 3, (size_t) 4, (size_t) 5, (size_t) 6, (size_t) -1);
+ }
+
+ if (argc > 1) {
+ char **i;
+
+ STRV_FOREACH(i, argv + 1) {
+ _cleanup_(user_record_unrefp) UserRecord *ur = NULL;
+ uid_t uid;
+
+ if (parse_uid(*i, &uid) >= 0)
+ r = userdb_by_uid(uid, arg_userdb_flags, &ur);
+ else
+ r = userdb_by_name(*i, arg_userdb_flags, &ur);
+ if (r < 0) {
+ if (r == -ESRCH)
+ log_error_errno(r, "User %s does not exist.", *i);
+ else if (r == -EHOSTDOWN)
+ log_error_errno(r, "Selected user database service is not available for this request.");
+ else
+ log_error_errno(r, "Failed to find user %s: %m", *i);
+
+ if (ret >= 0)
+ ret = r;
+ } else {
+ if (draw_separator && arg_output == OUTPUT_FRIENDLY)
+ putchar('\n');
+
+ r = show_user(ur, table);
+ if (r < 0)
+ return r;
+
+ draw_separator = true;
+ }
+ }
+ } else {
+ _cleanup_(userdb_iterator_freep) UserDBIterator *iterator = NULL;
+
+ r = userdb_all(arg_userdb_flags, &iterator);
+ if (r < 0)
+ return log_error_errno(r, "Failed to enumerate users: %m");
+
+ for (;;) {
+ _cleanup_(user_record_unrefp) UserRecord *ur = NULL;
+
+ r = userdb_iterator_get(iterator, &ur);
+ if (r == -ESRCH)
+ break;
+ if (r == -EHOSTDOWN)
+ return log_error_errno(r, "Selected user database service is not available for this request.");
+ if (r < 0)
+ return log_error_errno(r, "Failed acquire next user: %m");
+
+ if (draw_separator && arg_output == OUTPUT_FRIENDLY)
+ putchar('\n');
+
+ r = show_user(ur, table);
+ if (r < 0)
+ return r;
+
+ draw_separator = true;
+ }
+ }
+
+ if (table) {
+ r = table_print(table, NULL);
+ if (r < 0)
+ return table_log_print_error(r);
+ }
+
+ return ret;
+}
+
+static int show_group(GroupRecord *gr, Table *table) {
+ int r;
+
+ assert(gr);
+
+ switch (arg_output) {
+
+ case OUTPUT_CLASSIC: {
+ _cleanup_free_ char *m = NULL;
+
+ if (!gid_is_valid(gr->gid))
+ break;
+
+ m = strv_join(gr->members, ",");
+ if (!m)
+ return log_oom();
+
+ printf("%s:x:" GID_FMT ":%s\n",
+ gr->group_name,
+ gr->gid,
+ m);
+ break;
+ }
+
+ case OUTPUT_JSON:
+ json_variant_dump(gr->json, JSON_FORMAT_COLOR_AUTO|JSON_FORMAT_PRETTY, NULL, 0);
+ break;
+
+ case OUTPUT_FRIENDLY:
+ group_record_show(gr, true);
+
+ if (gr->incomplete) {
+ fflush(stdout);
+ log_warning("Warning: lacking rights to acquire privileged fields of group record of '%s', output incomplete.", gr->group_name);
+ }
+
+ break;
+
+ case OUTPUT_TABLE:
+ assert(table);
+
+ r = table_add_many(
+ table,
+ TABLE_STRING, gr->group_name,
+ TABLE_STRING, user_disposition_to_string(group_record_disposition(gr)),
+ TABLE_GID, gr->gid,
+ TABLE_STRING, gr->description,
+ TABLE_INT, (int) group_record_disposition(gr));
+ if (r < 0)
+ return table_log_add_error(r);
+
+ break;
+
+ default:
+ assert_not_reached("Unexpected display mode");
+ }
+
+ return 0;
+}
+
+
+static int display_group(int argc, char *argv[], void *userdata) {
+ _cleanup_(table_unrefp) Table *table = NULL;
+ bool draw_separator = false;
+ int ret = 0, r;
+
+ if (arg_output < 0)
+ arg_output = argc > 1 ? OUTPUT_FRIENDLY : OUTPUT_TABLE;
+
+ if (arg_output == OUTPUT_TABLE) {
+ table = table_new("name", "disposition", "gid", "description", "disposition-numeric");
+ if (!table)
+ return log_oom();
+
+ (void) table_set_align_percent(table, table_get_cell(table, 0, 2), 100);
+ (void) table_set_empty_string(table, "-");
+ (void) table_set_sort(table, (size_t) 3, (size_t) 2, (size_t) -1);
+ (void) table_set_display(table, (size_t) 0, (size_t) 1, (size_t) 2, (size_t) 3, (size_t) -1);
+ }
+
+ if (argc > 1) {
+ char **i;
+
+ STRV_FOREACH(i, argv + 1) {
+ _cleanup_(group_record_unrefp) GroupRecord *gr = NULL;
+ gid_t gid;
+
+ if (parse_gid(*i, &gid) >= 0)
+ r = groupdb_by_gid(gid, arg_userdb_flags, &gr);
+ else
+ r = groupdb_by_name(*i, arg_userdb_flags, &gr);
+ if (r < 0) {
+ if (r == -ESRCH)
+ log_error_errno(r, "Group %s does not exist.", *i);
+ else if (r == -EHOSTDOWN)
+ log_error_errno(r, "Selected group database service is not available for this request.");
+ else
+ log_error_errno(r, "Failed to find group %s: %m", *i);
+
+ if (ret >= 0)
+ ret = r;
+ } else {
+ if (draw_separator && arg_output == OUTPUT_FRIENDLY)
+ putchar('\n');
+
+ r = show_group(gr, table);
+ if (r < 0)
+ return r;
+
+ draw_separator = true;
+ }
+ }
+
+ } else {
+ _cleanup_(userdb_iterator_freep) UserDBIterator *iterator = NULL;
+
+ r = groupdb_all(arg_userdb_flags, &iterator);
+ if (r < 0)
+ return log_error_errno(r, "Failed to enumerate groups: %m");
+
+ for (;;) {
+ _cleanup_(group_record_unrefp) GroupRecord *gr = NULL;
+
+ r = groupdb_iterator_get(iterator, &gr);
+ if (r == -ESRCH)
+ break;
+ if (r == -EHOSTDOWN)
+ return log_error_errno(r, "Selected group database service is not available for this request.");
+ if (r < 0)
+ return log_error_errno(r, "Failed acquire next group: %m");
+
+ if (draw_separator && arg_output == OUTPUT_FRIENDLY)
+ putchar('\n');
+
+ r = show_group(gr, table);
+ if (r < 0)
+ return r;
+
+ draw_separator = true;
+ }
+
+ }
+
+ if (table) {
+ r = table_print(table, NULL);
+ if (r < 0)
+ return table_log_print_error(r);
+ }
+
+ return ret;
+}
+
+static int show_membership(const char *user, const char *group, Table *table) {
+ int r;
+
+ assert(user);
+ assert(group);
+
+ switch (arg_output) {
+
+ case OUTPUT_CLASSIC:
+ /* Strictly speaking there's no 'classic' output for this concept, but let's output it in
+ * similar style to the classic output for user/group info */
+
+ printf("%s:%s\n", user, group);
+ break;
+
+ case OUTPUT_JSON: {
+ _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
+
+ r = json_build(&v, JSON_BUILD_OBJECT(
+ JSON_BUILD_PAIR("user", JSON_BUILD_STRING(user)),
+ JSON_BUILD_PAIR("group", JSON_BUILD_STRING(group))));
+ if (r < 0)
+ return log_error_errno(r, "Failed to build JSON object: %m");
+
+ json_variant_dump(v, JSON_FORMAT_PRETTY|JSON_FORMAT_COLOR_AUTO, NULL, NULL);
+ break;
+ }
+
+ case OUTPUT_FRIENDLY:
+ /* Hmm, this is not particularly friendly, but not sure how we could do this better */
+ printf("%s: %s\n", group, user);
+ break;
+
+ case OUTPUT_TABLE:
+ assert(table);
+
+ r = table_add_many(
+ table,
+ TABLE_STRING, user,
+ TABLE_STRING, group);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ break;
+
+ default:
+ assert_not_reached("Unexpected output mode");
+ }
+
+ return 0;
+}
+
+static int display_memberships(int argc, char *argv[], void *userdata) {
+ _cleanup_(table_unrefp) Table *table = NULL;
+ int ret = 0, r;
+
+ if (arg_output < 0)
+ arg_output = OUTPUT_TABLE;
+
+ if (arg_output == OUTPUT_TABLE) {
+ table = table_new("user", "group");
+ if (!table)
+ return log_oom();
+
+ (void) table_set_sort(table, (size_t) 0, (size_t) 1, (size_t) -1);
+ }
+
+ if (argc > 1) {
+ char **i;
+
+ STRV_FOREACH(i, argv + 1) {
+ _cleanup_(userdb_iterator_freep) UserDBIterator *iterator = NULL;
+
+ if (streq(argv[0], "users-in-group")) {
+ r = membershipdb_by_group(*i, arg_userdb_flags, &iterator);
+ if (r < 0)
+ return log_error_errno(r, "Failed to enumerate users in group: %m");
+ } else if (streq(argv[0], "groups-of-user")) {
+ r = membershipdb_by_user(*i, arg_userdb_flags, &iterator);
+ if (r < 0)
+ return log_error_errno(r, "Failed to enumerate groups of user: %m");
+ } else
+ assert_not_reached("Unexpected verb");
+
+ for (;;) {
+ _cleanup_free_ char *user = NULL, *group = NULL;
+
+ r = membershipdb_iterator_get(iterator, &user, &group);
+ if (r == -ESRCH)
+ break;
+ if (r == -EHOSTDOWN)
+ return log_error_errno(r, "Selected membership database service is not available for this request.");
+ if (r < 0)
+ return log_error_errno(r, "Failed acquire next membership: %m");
+
+ r = show_membership(user, group, table);
+ if (r < 0)
+ return r;
+ }
+ }
+ } else {
+ _cleanup_(userdb_iterator_freep) UserDBIterator *iterator = NULL;
+
+ r = membershipdb_all(arg_userdb_flags, &iterator);
+ if (r < 0)
+ return log_error_errno(r, "Failed to enumerate memberships: %m");
+
+ for (;;) {
+ _cleanup_free_ char *user = NULL, *group = NULL;
+
+ r = membershipdb_iterator_get(iterator, &user, &group);
+ if (r == -ESRCH)
+ break;
+ if (r == -EHOSTDOWN)
+ return log_error_errno(r, "Selected membership database service is not available for this request.");
+ if (r < 0)
+ return log_error_errno(r, "Failed acquire next membership: %m");
+
+ r = show_membership(user, group, table);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ if (table) {
+ r = table_print(table, NULL);
+ if (r < 0)
+ return table_log_print_error(r);
+ }
+
+ return ret;
+}
+
+static int display_services(int argc, char *argv[], void *userdata) {
+ _cleanup_(table_unrefp) Table *t = NULL;
+ _cleanup_(closedirp) DIR *d = NULL;
+ struct dirent *de;
+ int r;
+
+ d = opendir("/run/systemd/userdb/");
+ if (!d) {
+ if (errno == ENOENT) {
+ log_info("No services.");
+ return 0;
+ }
+
+ return log_error_errno(errno, "Failed to open /run/systemd/userdb/: %m");
+ }
+
+ t = table_new("service", "listening");
+ if (!t)
+ return log_oom();
+
+ (void) table_set_sort(t, (size_t) 0, (size_t) -1);
+
+ FOREACH_DIRENT(de, d, return -errno) {
+ _cleanup_free_ char *j = NULL, *no = NULL;
+ union sockaddr_union sockaddr;
+ socklen_t sockaddr_len;
+ _cleanup_close_ int fd = -1;
+
+ j = path_join("/run/systemd/userdb/", de->d_name);
+ if (!j)
+ return log_oom();
+
+ r = sockaddr_un_set_path(&sockaddr.un, j);
+ if (r < 0)
+ return log_error_errno(r, "Path %s does not fit in AF_UNIX socket address: %m", j);
+ sockaddr_len = r;
+
+ fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
+ if (fd < 0)
+ return log_error_errno(r, "Failed to allocate AF_UNIX/SOCK_STREAM socket: %m");
+
+ if (connect(fd, &sockaddr.un, sockaddr_len) < 0) {
+ no = strjoin("No (", errno_to_name(errno), ")");
+ if (!no)
+ return log_oom();
+ }
+
+ r = table_add_many(t,
+ TABLE_STRING, de->d_name,
+ TABLE_STRING, no ?: "yes",
+ TABLE_SET_COLOR, no ? ansi_highlight_red() : ansi_highlight_green());
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (table_get_rows(t) <= 0) {
+ log_info("No services.");
+ return 0;
+ }
+
+ if (arg_output == OUTPUT_JSON)
+ table_print_json(t, NULL, JSON_FORMAT_PRETTY|JSON_FORMAT_COLOR_AUTO);
+ else
+ table_print(t, NULL);
+
+ return 0;
+}
+
+static int ssh_authorized_keys(int argc, char *argv[], void *userdata) {
+ _cleanup_(user_record_unrefp) UserRecord *ur = NULL;
+ int r;
+
+ r = userdb_by_name(argv[1], arg_userdb_flags, &ur);
+ if (r == -ESRCH)
+ return log_error_errno(r, "User %s does not exist.", argv[1]);
+ else if (r == -EHOSTDOWN)
+ return log_error_errno(r, "Selected user database service is not available for this request.");
+ else if (r == -EINVAL)
+ return log_error_errno(r, "Failed to find user %s: %m (Invalid user name?)", argv[1]);
+ else if (r < 0)
+ return log_error_errno(r, "Failed to find user %s: %m", argv[1]);
+
+ if (strv_isempty(ur->ssh_authorized_keys))
+ log_debug("User record for %s has no public SSH keys.", argv[1]);
+ else {
+ char **i;
+
+ STRV_FOREACH(i, ur->ssh_authorized_keys)
+ printf("%s\n", *i);
+ }
+
+ if (ur->incomplete) {
+ fflush(stdout);
+ log_warning("Warning: lacking rights to acquire privileged fields of user record of '%s', output incomplete.", ur->user_name);
+ }
+
+ return EXIT_SUCCESS;
+}
+
+static int help(int argc, char *argv[], void *userdata) {
+ _cleanup_free_ char *link = NULL;
+ int r;
+
+ (void) pager_open(arg_pager_flags);
+
+ r = terminal_urlify_man("userdbctl", "1", &link);
+ if (r < 0)
+ return log_oom();
+
+ printf("%s [OPTIONS...] COMMAND ...\n\n"
+ "%sShow user and group information.%s\n"
+ "\nCommands:\n"
+ " user [USER…] Inspect user\n"
+ " group [GROUP…] Inspect group\n"
+ " users-in-group [GROUP…] Show users that are members of specified group(s)\n"
+ " groups-of-user [USER…] Show groups the specified user(s) is a member of\n"
+ " services Show enabled database services\n"
+ "\nOptions:\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " --no-pager Do not pipe output into a pager\n"
+ " --no-legend Do not show the headers and footers\n"
+ " --output=MODE Select output mode (classic, friendly, table, json)\n"
+ " -j Equivalent to --output=json\n"
+ " -s --service=SERVICE[:SERVICE…]\n"
+ " Query the specified service\n"
+ " --with-nss=BOOL Control whether to include glibc NSS data\n"
+ " -N Do not synthesize or include glibc NSS data\n"
+ " (Same as --synthesize=no --with-nss=no)\n"
+ " --synthesize=BOOL Synthesize root/nobody user\n"
+ "\nSee the %s for details.\n"
+ , program_invocation_short_name
+ , ansi_highlight(), ansi_normal()
+ , link
+ );
+
+ return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_VERSION = 0x100,
+ ARG_NO_PAGER,
+ ARG_NO_LEGEND,
+ ARG_OUTPUT,
+ ARG_WITH_NSS,
+ ARG_SYNTHESIZE,
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
+ { "output", required_argument, NULL, ARG_OUTPUT },
+ { "service", required_argument, NULL, 's' },
+ { "with-nss", required_argument, NULL, ARG_WITH_NSS },
+ { "synthesize", required_argument, NULL, ARG_SYNTHESIZE },
+ {}
+ };
+
+ const char *e;
+ int r;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ /* We are going to update this environment variable with our own, hence let's first read what is already set */
+ e = getenv("SYSTEMD_ONLY_USERDB");
+ if (e) {
+ char **l;
+
+ l = strv_split(e, ":");
+ if (!l)
+ return log_oom();
+
+ strv_free(arg_services);
+ arg_services = l;
+ }
+
+ for (;;) {
+ int c;
+
+ c = getopt_long(argc, argv, "hjs:N", options, NULL);
+ if (c < 0)
+ break;
+
+ switch (c) {
+
+ case 'h':
+ return help(0, NULL, NULL);
+
+ case ARG_VERSION:
+ return version();
+
+ case ARG_NO_PAGER:
+ arg_pager_flags |= PAGER_DISABLE;
+ break;
+
+ case ARG_NO_LEGEND:
+ arg_legend = false;
+ break;
+
+ case ARG_OUTPUT:
+ if (streq(optarg, "classic"))
+ arg_output = OUTPUT_CLASSIC;
+ else if (streq(optarg, "friendly"))
+ arg_output = OUTPUT_FRIENDLY;
+ else if (streq(optarg, "json"))
+ arg_output = OUTPUT_JSON;
+ else if (streq(optarg, "table"))
+ arg_output = OUTPUT_TABLE;
+ else if (streq(optarg, "help")) {
+ puts("classic\n"
+ "friendly\n"
+ "json\n"
+ "table");
+ return 0;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid --output= mode: %s", optarg);
+
+ break;
+
+ case 'j':
+ arg_output = OUTPUT_JSON;
+ break;
+
+ case 's':
+ if (isempty(optarg))
+ arg_services = strv_free(arg_services);
+ else {
+ _cleanup_strv_free_ char **l = NULL;
+
+ l = strv_split(optarg, ":");
+ if (!l)
+ return log_oom();
+
+ r = strv_extend_strv(&arg_services, l, true);
+ if (r < 0)
+ return log_oom();
+ }
+
+ break;
+
+ case 'N':
+ arg_userdb_flags |= USERDB_AVOID_NSS|USERDB_DONT_SYNTHESIZE;
+ break;
+
+ case ARG_WITH_NSS:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --with-nss= parameter: %s", optarg);
+
+ SET_FLAG(arg_userdb_flags, USERDB_AVOID_NSS, !r);
+ break;
+
+ case ARG_SYNTHESIZE:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --synthesize= parameter: %s", optarg);
+
+ SET_FLAG(arg_userdb_flags, USERDB_DONT_SYNTHESIZE, !r);
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+ }
+
+ return 1;
+}
+
+static int run(int argc, char *argv[]) {
+ static const Verb verbs[] = {
+ { "help", VERB_ANY, VERB_ANY, 0, help },
+ { "user", VERB_ANY, VERB_ANY, VERB_DEFAULT, display_user },
+ { "group", VERB_ANY, VERB_ANY, 0, display_group },
+ { "users-in-group", VERB_ANY, VERB_ANY, 0, display_memberships },
+ { "groups-of-user", VERB_ANY, VERB_ANY, 0, display_memberships },
+ { "services", VERB_ANY, 1, 0, display_services },
+
+ /* This one is a helper for sshd_config's AuthorizedKeysCommand= setting, it's not a
+ * user-facing verb and thus should not appear in man pages or --help texts. */
+ { "ssh-authorized-keys", 2, 2, 0, ssh_authorized_keys },
+ {}
+ };
+
+ int r;
+
+ log_setup_cli();
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ return r;
+
+ if (arg_services) {
+ _cleanup_free_ char *e = NULL;
+
+ e = strv_join(arg_services, ":");
+ if (!e)
+ return log_oom();
+
+ if (setenv("SYSTEMD_ONLY_USERDB", e, true) < 0)
+ return log_error_errno(r, "Failed to set $SYSTEMD_ONLY_USERDB: %m");
+
+ log_info("Enabled services: %s", e);
+ } else
+ assert_se(unsetenv("SYSTEMD_ONLY_USERDB") == 0);
+
+ return dispatch_verb(argc, argv, verbs, NULL);
+}
+
+DEFINE_MAIN_FUNCTION(run);