int write_string_stream_ts(
FILE *f,
const char *line,
WriteStringFileFlags flags,
struct timespec *ts) {
assert(f);
assert(line);
fputs(line, f);
if (!(flags & WRITE_STRING_FILE_AVOID_NEWLINE) && !endswith(line, "\n"))
fputc('\n', f);
if (ts) {
struct timespec twice[2] = {*ts, *ts};
if (futimens(fileno(f), twice) < 0)
return -errno;
}
if (flags & WRITE_STRING_FILE_SYNC)
return fflush_sync_and_check(f);
else
return fflush_and_check(f);
}
int write_string_stream_ts(
FILE *f,
const char *line,
WriteStringFileFlags flags,
struct timespec *ts) {
bool needs_nl;
int r;
assert(f);
assert(line);
if (ferror(f))
return -EIO;
needs_nl = !(flags & WRITE_STRING_FILE_AVOID_NEWLINE) && !endswith(line, "\n");
if (needs_nl && (flags & WRITE_STRING_FILE_DISABLE_BUFFER)) {
/* If STDIO buffering was disabled, then let's append the newline character to the string itself, so
* that the write goes out in one go, instead of two */
line = strjoina(line, "\n");
needs_nl = false;
}
if (fputs(line, f) == EOF)
return -errno;
if (needs_nl)
if (fputc('\n', f) == EOF)
return -errno;
if (flags & WRITE_STRING_FILE_SYNC)
r = fflush_sync_and_check(f);
else
r = fflush_and_check(f);
if (r < 0)
return r;
if (ts) {
struct timespec twice[2] = {*ts, *ts};
if (futimens(fileno(f), twice) < 0)
return -errno;
}
return 0;
}
static int write_root_shadow(const char *path, const struct spwd *p) {
_cleanup_fclose_ FILE *f = NULL;
assert(path);
assert(p);
RUN_WITH_UMASK(0777)
f = fopen(path, "wex");
if (!f)
return -errno;
errno = 0;
if (putspent(p, f) != 0)
return errno > 0 ? -errno : -EIO;
return fflush_sync_and_check(f);
}
static int write_root_shadow(const char *path, const struct spwd *p) {
_cleanup_fclose_ FILE *f = NULL;
int r;
assert(path);
assert(p);
RUN_WITH_UMASK(0777)
f = fopen(path, "wex");
if (!f)
return -errno;
r = putspent_sane(p, f);
if (r < 0)
return r;
return fflush_sync_and_check(f);
}
int x11_write_data(Context *c) {
_cleanup_fclose_ FILE *f = NULL;
_cleanup_free_ char *temp_path = NULL;
struct stat st;
int r;
if (isempty(c->x11_layout) &&
isempty(c->x11_model) &&
isempty(c->x11_variant) &&
isempty(c->x11_options)) {
if (unlink("/etc/X11/xorg.conf.d/00-keyboard.conf") < 0)
return errno == ENOENT ? 0 : -errno;
c->vc_mtime = USEC_INFINITY;
return 0;
}
mkdir_p_label("/etc/X11/xorg.conf.d", 0755);
r = fopen_temporary("/etc/X11/xorg.conf.d/00-keyboard.conf", &f, &temp_path);
if (r < 0)
return r;
(void) __fsetlocking(f, FSETLOCKING_BYCALLER);
(void) fchmod(fileno(f), 0644);
fputs("# Written by systemd-localed(8), read by systemd-localed and Xorg. It's\n"
"# probably wise not to edit this file manually. Use localectl(1) to\n"
"# instruct systemd-localed to update it.\n"
"Section \"InputClass\"\n"
" Identifier \"system-keyboard\"\n"
" MatchIsKeyboard \"on\"\n", f);
if (!isempty(c->x11_layout))
fprintf(f, " Option \"XkbLayout\" \"%s\"\n", c->x11_layout);
if (!isempty(c->x11_model))
fprintf(f, " Option \"XkbModel\" \"%s\"\n", c->x11_model);
if (!isempty(c->x11_variant))
fprintf(f, " Option \"XkbVariant\" \"%s\"\n", c->x11_variant);
if (!isempty(c->x11_options))
fprintf(f, " Option \"XkbOptions\" \"%s\"\n", c->x11_options);
fputs("EndSection\n", f);
r = fflush_sync_and_check(f);
if (r < 0)
goto fail;
if (rename(temp_path, "/etc/X11/xorg.conf.d/00-keyboard.conf") < 0) {
r = -errno;
goto fail;
}
if (stat("/etc/X11/xorg.conf.d/00-keyboard.conf", &st) >= 0)
c->x11_mtime = timespec_load(&st.st_mtim);
return 0;
fail:
if (temp_path)
(void) unlink(temp_path);
return r;
}