Files
systemd/src/path/path.c
Lennart Poettering 6b66407080 path: make arg_pager_flags static
Follow-up for: e441d1d46e
2023-09-19 00:37:01 +01:00

239 lines
9.8 KiB
C

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <errno.h>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include "sd-path.h"
#include "alloc-util.h"
#include "build.h"
#include "log.h"
#include "macro.h"
#include "main-func.h"
#include "pager.h"
#include "pretty-print.h"
#include "string-util.h"
static const char *arg_suffix = NULL;
static PagerFlags arg_pager_flags = 0;
static const char* const path_table[_SD_PATH_MAX] = {
[SD_PATH_TEMPORARY] = "temporary",
[SD_PATH_TEMPORARY_LARGE] = "temporary-large",
[SD_PATH_SYSTEM_BINARIES] = "system-binaries",
[SD_PATH_SYSTEM_INCLUDE] = "system-include",
[SD_PATH_SYSTEM_LIBRARY_PRIVATE] = "system-library-private",
[SD_PATH_SYSTEM_LIBRARY_ARCH] = "system-library-arch",
[SD_PATH_SYSTEM_SHARED] = "system-shared",
[SD_PATH_SYSTEM_CONFIGURATION_FACTORY] = "system-configuration-factory",
[SD_PATH_SYSTEM_STATE_FACTORY] = "system-state-factory",
[SD_PATH_SYSTEM_CONFIGURATION] = "system-configuration",
[SD_PATH_SYSTEM_RUNTIME] = "system-runtime",
[SD_PATH_SYSTEM_RUNTIME_LOGS] = "system-runtime-logs",
[SD_PATH_SYSTEM_STATE_PRIVATE] = "system-state-private",
[SD_PATH_SYSTEM_STATE_LOGS] = "system-state-logs",
[SD_PATH_SYSTEM_STATE_CACHE] = "system-state-cache",
[SD_PATH_SYSTEM_STATE_SPOOL] = "system-state-spool",
[SD_PATH_USER_BINARIES] = "user-binaries",
[SD_PATH_USER_LIBRARY_PRIVATE] = "user-library-private",
[SD_PATH_USER_LIBRARY_ARCH] = "user-library-arch",
[SD_PATH_USER_SHARED] = "user-shared",
[SD_PATH_USER_CONFIGURATION] = "user-configuration",
[SD_PATH_USER_RUNTIME] = "user-runtime",
[SD_PATH_USER_STATE_CACHE] = "user-state-cache",
[SD_PATH_USER_STATE_PRIVATE] = "user-state-private",
[SD_PATH_USER] = "user",
[SD_PATH_USER_DOCUMENTS] = "user-documents",
[SD_PATH_USER_MUSIC] = "user-music",
[SD_PATH_USER_PICTURES] = "user-pictures",
[SD_PATH_USER_VIDEOS] = "user-videos",
[SD_PATH_USER_DOWNLOAD] = "user-download",
[SD_PATH_USER_PUBLIC] = "user-public",
[SD_PATH_USER_TEMPLATES] = "user-templates",
[SD_PATH_USER_DESKTOP] = "user-desktop",
[SD_PATH_SEARCH_BINARIES] = "search-binaries",
[SD_PATH_SEARCH_BINARIES_DEFAULT] = "search-binaries-default",
[SD_PATH_SEARCH_LIBRARY_PRIVATE] = "search-library-private",
[SD_PATH_SEARCH_LIBRARY_ARCH] = "search-library-arch",
[SD_PATH_SEARCH_SHARED] = "search-shared",
[SD_PATH_SEARCH_CONFIGURATION_FACTORY] = "search-configuration-factory",
[SD_PATH_SEARCH_STATE_FACTORY] = "search-state-factory",
[SD_PATH_SEARCH_CONFIGURATION] = "search-configuration",
[SD_PATH_SYSTEMD_UTIL] = "systemd-util",
[SD_PATH_SYSTEMD_SYSTEM_UNIT] = "systemd-system-unit",
[SD_PATH_SYSTEMD_SYSTEM_PRESET] = "systemd-system-preset",
[SD_PATH_SYSTEMD_SYSTEM_CONF] = "systemd-system-conf",
[SD_PATH_SYSTEMD_USER_UNIT] = "systemd-user-unit",
[SD_PATH_SYSTEMD_USER_PRESET] = "systemd-user-preset",
[SD_PATH_SYSTEMD_USER_CONF] = "systemd-user-conf",
[SD_PATH_SYSTEMD_SEARCH_SYSTEM_UNIT] = "systemd-search-system-unit",
[SD_PATH_SYSTEMD_SEARCH_USER_UNIT] = "systemd-search-user-unit",
[SD_PATH_SYSTEMD_SYSTEM_GENERATOR] = "systemd-system-generator",
[SD_PATH_SYSTEMD_USER_GENERATOR] = "systemd-user-generator",
[SD_PATH_SYSTEMD_SEARCH_SYSTEM_GENERATOR] = "systemd-search-system-generator",
[SD_PATH_SYSTEMD_SEARCH_USER_GENERATOR] = "systemd-search-user-generator",
[SD_PATH_SYSTEMD_SLEEP] = "systemd-sleep",
[SD_PATH_SYSTEMD_SHUTDOWN] = "systemd-shutdown",
[SD_PATH_TMPFILES] = "tmpfiles",
[SD_PATH_SYSUSERS] = "sysusers",
[SD_PATH_SYSCTL] = "sysctl",
[SD_PATH_BINFMT] = "binfmt",
[SD_PATH_MODULES_LOAD] = "modules-load",
[SD_PATH_CATALOG] = "catalog",
[SD_PATH_SYSTEMD_SEARCH_NETWORK] = "systemd-search-network",
[SD_PATH_SYSTEMD_SYSTEM_ENVIRONMENT_GENERATOR] = "systemd-system-environment-generator",
[SD_PATH_SYSTEMD_USER_ENVIRONMENT_GENERATOR] = "systemd-user-environment-generator",
[SD_PATH_SYSTEMD_SEARCH_SYSTEM_ENVIRONMENT_GENERATOR] = "systemd-search-system-environment-generator",
[SD_PATH_SYSTEMD_SEARCH_USER_ENVIRONMENT_GENERATOR] = "systemd-search-user-environment-generator",
};
static int list_paths(void) {
int r = 0;
pager_open(arg_pager_flags);
for (size_t i = 0; i < ELEMENTSOF(path_table); i++) {
_cleanup_free_ char *p = NULL;
int q;
q = sd_path_lookup(i, arg_suffix, &p);
if (q < 0) {
log_full_errno(q == -ENXIO ? LOG_DEBUG : LOG_ERR,
q, "Failed to query %s: %m", path_table[i]);
if (q != -ENXIO)
RET_GATHER(r, q);
continue;
}
printf("%s%s:%s %s\n", ansi_highlight(), path_table[i], ansi_normal(), p);
}
return r;
}
static int print_path(const char *n) {
int r;
for (size_t i = 0; i < ELEMENTSOF(path_table); i++)
if (streq(path_table[i], n)) {
_cleanup_free_ char *p = NULL;
r = sd_path_lookup(i, arg_suffix, &p);
if (r < 0)
return log_error_errno(r, "Failed to query %s: %m", n);
printf("%s\n", p);
return 0;
}
return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
"Path %s not known.", n);
}
static int help(void) {
_cleanup_free_ char *link = NULL;
int r;
r = terminal_urlify_man("systemd-path", "1", &link);
if (r < 0)
return log_oom();
printf("%s [OPTIONS...] [NAME...]\n\n"
"Show system and user paths.\n\n"
" -h --help Show this help\n"
" --version Show package version\n"
" --suffix=SUFFIX Suffix to append to paths\n"
" --no-pager Do not pipe output into a pager\n"
"\nSee the %s for details.\n",
program_invocation_short_name,
link);
return 0;
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_SUFFIX,
ARG_NO_PAGER,
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "suffix", required_argument, NULL, ARG_SUFFIX },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
{}
};
int c;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
switch (c) {
case 'h':
return help();
case ARG_VERSION:
return version();
case ARG_SUFFIX:
arg_suffix = optarg;
break;
case ARG_NO_PAGER:
arg_pager_flags |= PAGER_DISABLE;
break;
case '?':
return -EINVAL;
default:
assert_not_reached();
}
return 1;
}
static int run(int argc, char* argv[]) {
int r;
log_show_color(true);
log_parse_environment();
log_open();
r = parse_argv(argc, argv);
if (r <= 0)
return r;
if (argc > optind)
for (int i = optind; i < argc; i++)
RET_GATHER(r, print_path(argv[i]));
else
r = list_paths();
return r;
}
DEFINE_MAIN_FUNCTION(run);