| /* SPDX-License-Identifier: LGPL-2.1+ */ |
| |
| #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 "group-record-show.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 log_error_errno(r, "Failed to add row to table: %m"); |
| |
| 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 log_error_errno(r, "Failed to show table: %m"); |
| } |
| |
| 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_INT, (int) group_record_disposition(gr)); |
| if (r < 0) |
| return log_error_errno(r, "Failed to add row to table: %m"); |
| |
| break; |
| |
| default: |
| assert_not_reached("Unexpected disply 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", "disposition-numeric"); |
| if (!table) |
| return log_oom(); |
| |
| (void) table_set_align_percent(table, table_get_cell(table, 0, 2), 100); |
| (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) -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 log_error_errno(r, "Failed to show table: %m"); |
| } |
| |
| 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 log_error_errno(r, "Failed to add row to table: %m"); |
| |
| 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 log_error_errno(r, "Failed to show table: %m"); |
| } |
| |
| 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 log_error_errno(r, "Failed to add table row: %m"); |
| } |
| |
| 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_show_color(true); |
| log_parse_environment(); |
| log_open(); |
| |
| 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 { |
| if (unsetenv("SYSTEMD_ONLY_USERDB") < 0) |
| return log_error_errno(r, "Failed to unset $SYSTEMD_ONLY_USERDB: %m"); |
| } |
| |
| return dispatch_verb(argc, argv, verbs, NULL); |
| } |
| |
| DEFINE_MAIN_FUNCTION(run); |