mirror of
https://github.com/systemd/systemd-stable.git
synced 2025-03-08 20:58:20 +03:00
userdbd: add userdbctl tool as client for userdbd
This commit is contained in:
parent
d093b62c94
commit
1604937f83
@ -1995,6 +1995,15 @@ if conf.get('ENABLE_USERDB') == 1
|
||||
install_rpath : rootlibexecdir,
|
||||
install : true,
|
||||
install_dir : rootlibexecdir)
|
||||
|
||||
executable('userdbctl',
|
||||
userdbctl_sources,
|
||||
include_directories : includes,
|
||||
link_with : [libshared],
|
||||
dependencies : [threads],
|
||||
install_rpath : rootlibexecdir,
|
||||
install : true,
|
||||
install_dir : rootbindir)
|
||||
endif
|
||||
|
||||
foreach alias : ['halt', 'poweroff', 'reboot', 'runlevel', 'shutdown', 'telinit']
|
||||
|
@ -9,3 +9,7 @@ systemd_userdbd_sources = files('''
|
||||
userdbd-manager.h
|
||||
userdbd.c
|
||||
'''.split())
|
||||
|
||||
userdbctl_sources = files('''
|
||||
userdbctl.c
|
||||
'''.split())
|
||||
|
790
src/userdb/userdbctl.c
Normal file
790
src/userdb/userdbctl.c
Normal file
@ -0,0 +1,790 @@
|
||||
/* 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, 7, 2, (size_t) -1);
|
||||
(void) table_set_display(table, 0, 1, 2, 3, 4, 5, 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, 3, 2, (size_t) -1);
|
||||
(void) table_set_display(table, 0, 1, 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, 0, 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, 0, (size_t) -1);
|
||||
|
||||
FOREACH_DIRENT(de, d, return -errno) {
|
||||
_cleanup_free_ char *j = NULL, *no = NULL;
|
||||
union sockaddr_union sockaddr;
|
||||
_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);
|
||||
|
||||
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_UN_LEN(sockaddr.un)) < 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;
|
||||
|
||||
if (!valid_user_group_name(argv[1]))
|
||||
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid user name '%s'.", argv[1]);
|
||||
|
||||
r = userdb_by_name(argv[1], arg_userdb_flags, &ur);
|
||||
if (r == -ESRCH)
|
||||
log_error_errno(r, "User %s does not exist.", argv[1]);
|
||||
else if (r == -EHOSTDOWN)
|
||||
log_error_errno(r, "Selected user database service is not available for this request.");
|
||||
else if (r < 0)
|
||||
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 Disable inclusion of glibc NSS data and disable synthesizing\n"
|
||||
" (Same as --with-nss=no --synthesize=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");
|
||||
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 {
|
||||
char **l;
|
||||
|
||||
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);
|
Loading…
x
Reference in New Issue
Block a user