return
filename[0] == '.' ||
streq(filename, "lost+found") ||
+ streq(filename, "aquota.user") ||
+ streq(filename, "aquota.group") ||
endswith(filename, "~") ||
endswith(filename, ".rpmnew") ||
endswith(filename, ".rpmsave") ||
assert(notify >= 0);
for (;;) {
- struct inotify_event e;
+ uint8_t inotify_buffer[sizeof(struct inotify_event) + FILENAME_MAX];
ssize_t l;
+ struct inotify_event *e;
- if ((l = read(notify, &e, sizeof(e))) != sizeof(e)) {
+ if ((l = read(notify, &inotify_buffer, sizeof(inotify_buffer))) < 0) {
- if (l < 0) {
+ if (errno == EINTR)
+ continue;
- if (errno == EINTR)
- continue;
+ r = -errno;
+ goto fail;
+ }
- r = -errno;
- } else
+ e = (struct inotify_event*) inotify_buffer;
+
+ while (l > 0) {
+ size_t step;
+
+ if (e->wd != wd || !(e->mask & IN_CLOSE)) {
r = -EIO;
+ goto fail;
+ }
- goto fail;
- }
+ step = sizeof(struct inotify_event) + e->len;
+ assert(step <= (size_t) l);
- if (e.wd != wd || !(e.mask & IN_CLOSE)) {
- r = -EIO;
- goto fail;
+ e = (struct inotify_event*) ((uint8_t*) e + step);
+ l -= step;
}
break;
return 0;
}
+int make_null_stdio(void) {
+ int null_fd;
+
+ if ((null_fd = open("/dev/null", O_RDWR|O_NOCTTY)) < 0)
+ return -errno;
+
+ return make_stdio(null_fd);
+}
+
bool is_clean_exit(int code, int status) {
if (code == CLD_EXITED)
status_printf("Welcome to Debian \x1B[1;31m%s\x1B[0m!\n", r); /* Light Red for Debian */
free(r);
+#elif defined(TARGET_UBUNTU)
+ char *desc = NULL;
+ char *codename = NULL;
+
+ if (parse_env_file("/etc/lsb-release", NEWLINE,
+ "DISTRIB_DESCRIPTION", &desc,
+ "DISTRIB_CODENAME", &codename, NULL) < 0)
+ return;
+ if (desc && codename)
+ /* Light Red for Ubuntu */
+ status_printf("Welcome to \x1B[1;31m%s\x1B[0m (%s)\n",
+ desc, codename);
+ free(desc);
+ free(codename);
#elif defined(TARGET_ARCH)
status_printf("Welcome to \x1B[1;36mArch Linux\x1B[0m!\n"); /* Cyan for Arch */
#else
if (S_ISREG(st->st_mode) && st->st_size <= 0)
return true;
- /* /dev/null has major/minor of 1:3 */
- if (S_ISCHR(st->st_mode) &&
- major(st->st_rdev) == 1 &&
- minor(st->st_rdev) == 3)
+ if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode))
return true;
return false;
}
+DIR *xopendirat(int fd, const char *name) {
+ return fdopendir(openat(fd, name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC));
+}
+
+int signal_from_string_try_harder(const char *s) {
+ int signo;
+ assert(s);
+
+ if ((signo = signal_from_string(s)) <= 0)
+ if (startswith(s, "SIG"))
+ return signal_from_string(s+3);
+
+ return signo;
+}
+
+int ask_password_tty(const char *message, usec_t until, const char *flag_file, char **_passphrase) {
+ struct termios old_termios, new_termios;
+ char passphrase[LINE_MAX];
+ size_t p = 0;
+ int r, ttyfd = -1, notify = -1;
+ struct pollfd pollfd[2];
+ bool reset_tty = false;
+ enum {
+ POLL_TTY,
+ POLL_INOTIFY
+ };
+
+ assert(message);
+ assert(_passphrase);
+
+ if (flag_file) {
+ if ((notify = inotify_init1(IN_CLOEXEC|IN_NONBLOCK)) < 0) {
+ r = -errno;
+ goto finish;
+ }
+
+ if (inotify_add_watch(notify, flag_file, IN_ATTRIB /* for the link count */) < 0) {
+ r = -errno;
+ goto finish;
+ }
+ }
+
+ if ((ttyfd = open("/dev/tty", O_RDWR|O_NOCTTY|O_CLOEXEC)) >= 0) {
+
+ if (tcgetattr(ttyfd, &old_termios) < 0) {
+ r = -errno;
+ goto finish;
+ }
+
+ loop_write(ttyfd, "\x1B[1m", 4, false);
+ loop_write(ttyfd, message, strlen(message), false);
+ loop_write(ttyfd, ": ", 2, false);
+ loop_write(ttyfd, "\x1B[0m", 4, false);
+
+ new_termios = old_termios;
+ new_termios.c_lflag &= ~(ICANON|ECHO);
+ new_termios.c_cc[VMIN] = 1;
+ new_termios.c_cc[VTIME] = 0;
+
+ if (tcsetattr(ttyfd, TCSADRAIN, &new_termios) < 0) {
+ r = -errno;
+ goto finish;
+ }
+
+ reset_tty = true;
+ }
+
+ zero(pollfd);
+
+ pollfd[POLL_TTY].fd = ttyfd >= 0 ? ttyfd : STDIN_FILENO;
+ pollfd[POLL_TTY].events = POLLIN;
+ pollfd[POLL_INOTIFY].fd = notify;
+ pollfd[POLL_INOTIFY].events = POLLIN;
+
+ for (;;) {
+ char c;
+ int sleep_for = -1, k;
+ ssize_t n;
+
+ if (until > 0) {
+ usec_t y;
+
+ y = now(CLOCK_MONOTONIC);
+
+ if (y > until) {
+ r = -ETIMEDOUT;
+ goto finish;
+ }
+
+ sleep_for = (int) ((until - y) / USEC_PER_MSEC);
+ }
+
+ if (flag_file)
+ if (access(flag_file, F_OK) < 0) {
+ r = -errno;
+ goto finish;
+ }
+
+ if ((k = poll(pollfd, notify > 0 ? 2 : 1, sleep_for)) < 0) {
+
+ if (errno == EINTR)
+ continue;
+
+ r = -errno;
+ goto finish;
+ } else if (k == 0) {
+ r = -ETIMEDOUT;
+ goto finish;
+ }
+
+ if (notify > 0 && pollfd[POLL_INOTIFY].revents != 0)
+ flush_fd(notify);
+
+ if (pollfd[POLL_TTY].revents == 0)
+ continue;
+
+ if ((n = read(ttyfd >= 0 ? ttyfd : STDIN_FILENO, &c, 1)) < 0) {
+
+ if (errno == EINTR || errno == EAGAIN)
+ continue;
+
+ r = -errno;
+ goto finish;
+
+ } else if (n == 0)
+ break;
+
+ if (c == '\n')
+ break;
+ else if (c == 21) {
+
+ while (p > 0) {
+ p--;
+
+ if (ttyfd >= 0)
+ loop_write(ttyfd, "\b \b", 3, false);
+ }
+
+ } else if (c == '\b' || c == 127) {
+ if (p > 0) {
+ p--;
+
+ if (ttyfd >= 0)
+ loop_write(ttyfd, "\b \b", 3, false);
+ }
+ } else {
+ passphrase[p++] = c;
+
+ if (ttyfd >= 0)
+ loop_write(ttyfd, "*", 1, false);
+ }
+ }
+
+ if (ttyfd >= 0)
+ loop_write(ttyfd, "\n", 1, false);
+
+ passphrase[p] = 0;
+
+ if (!(*_passphrase = strdup(passphrase))) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ r = 0;
+
+finish:
+ if (notify >= 0)
+ close_nointr_nofail(notify);
+
+ if (ttyfd >= 0) {
+ if (reset_tty)
+ tcsetattr(ttyfd, TCSADRAIN, &old_termios);
+
+ close_nointr_nofail(ttyfd);
+ }
+
+ return r;
+}
+
+void dual_timestamp_serialize(FILE *f, const char *name, dual_timestamp *t) {
+
+ assert(f);
+ assert(name);
+ assert(t);
+
+ if (!dual_timestamp_is_set(t))
+ return;
+
+ fprintf(f, "%s=%llu %llu\n",
+ name,
+ (unsigned long long) t->realtime,
+ (unsigned long long) t->monotonic);
+}
+
+void dual_timestamp_deserialize(const char *value, dual_timestamp *t) {
+ unsigned long long a, b;
+
+ assert(value);
+ assert(t);
+
+ if (sscanf(value, "%lli %llu", &a, &b) != 2)
+ log_debug("Failed to parse finish timestamp value %s", value);
+ else {
+ t->realtime = a;
+ t->monotonic = b;
+ }
+}
+
+char *fstab_node_to_udev_node(const char *p) {
+ char *dn, *t, *u;
+ int r;
+
+ /* FIXME: to follow udev's logic 100% we need to leave valid
+ * UTF8 chars unescaped */
+
+ if (startswith(p, "LABEL=")) {
+
+ if (!(u = unquote(p+6, "\"\'")))
+ return NULL;
+
+ t = xescape(u, "/ ");
+ free(u);
+
+ if (!t)
+ return NULL;
+
+ r = asprintf(&dn, "/dev/disk/by-label/%s", t);
+ free(t);
+
+ if (r < 0)
+ return NULL;
+
+ return dn;
+ }
+
+ if (startswith(p, "UUID=")) {
+
+ if (!(u = unquote(p+5, "\"\'")))
+ return NULL;
+
+ t = xescape(u, "/ ");
+ free(u);
+
+ if (!t)
+ return NULL;
+
+ r = asprintf(&dn, "/dev/disk/by-uuid/%s", ascii_strlower(t));
+ free(t);
+
+ if (r < 0)
+ return NULL;
+
+ return dn;
+ }
+
+ return strdup(p);
+}
+
+void filter_environ(const char *prefix) {
+ int i, j;
+ assert(prefix);
+
+ if (!environ)
+ return;
+
+ for (i = 0, j = 0; environ[i]; i++) {
+
+ if (startswith(environ[i], prefix))
+ continue;
+
+ environ[j++] = environ[i];
+ }
+
+ environ[j] = NULL;
+}
+
static const char *const ioprio_class_table[] = {
[IOPRIO_CLASS_NONE] = "none",
[IOPRIO_CLASS_RT] = "realtime",