-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
Copyright 2010 Lennart Poettering
struct stat st_path;
memset(&st_path, 0, sizeof(st_path));
- if (fstat(fd, &st_path) < 0) {
+ if (stat(path, &st_path) < 0) {
if (errno == ENOENT || errno == ENOTDIR)
return 0;
}
int sd_notify(int unset_environment, const char *state) {
-#if defined(DISABLE_SYSTEMD) || !defined(__linux__)
+#if defined(DISABLE_SYSTEMD) || !defined(__linux__) || !defined(SOCK_CLOEXEC)
return 0;
#else
int fd = -1, r;
struct msghdr msghdr;
struct iovec iovec;
union sockaddr_union sockaddr;
- struct ucred *ucred;
- union {
- struct cmsghdr cmsghdr;
- uint8_t buf[CMSG_SPACE(sizeof(struct ucred))];
- } control;
const char *e;
if (!state) {
goto finish;
}
- if (!(e = getenv("NOTIFY_SOCKET"))) {
- r = 0;
- goto finish;
- }
+ if (!(e = getenv("NOTIFY_SOCKET")))
+ return 0;
/* Must be an abstract socket, or an absolute path */
if ((e[0] != '@' && e[0] != '/') || e[1] == 0) {
iovec.iov_base = (char*) state;
iovec.iov_len = strlen(state);
- memset(&control, 0, sizeof(control));
- control.cmsghdr.cmsg_level = SOL_SOCKET;
- control.cmsghdr.cmsg_type = SCM_CREDENTIALS;
- control.cmsghdr.cmsg_len = CMSG_LEN(sizeof(struct ucred));
-
- ucred = (struct ucred*) CMSG_DATA(&control.cmsghdr);
- ucred->pid = getpid();
- ucred->uid = getuid();
- ucred->gid = getgid();
-
memset(&msghdr, 0, sizeof(msghdr));
msghdr.msg_name = &sockaddr;
- msghdr.msg_namelen = sizeof(struct sockaddr_un);
+ msghdr.msg_namelen = sizeof(sa_family_t) + strlen(e);
+
+ if (msghdr.msg_namelen > sizeof(struct sockaddr_un))
+ msghdr.msg_namelen = sizeof(struct sockaddr_un);
+
msghdr.msg_iov = &iovec;
msghdr.msg_iovlen = 1;
- msghdr.msg_control = &control;
- msghdr.msg_controllen = control.cmsghdr.cmsg_len;
if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0) {
r = -errno;
goto finish;
}
- r = 0;
+ r = 1;
finish:
if (unset_environment)
return r;
#endif
}
+
+int sd_booted(void) {
+#if defined(DISABLE_SYSTEMD) || !defined(__linux__)
+ return 0;
+#else
+
+ struct stat a, b;
+
+ /* We simply test whether the systemd cgroup hierarchy is
+ * mounted */
+
+ if (lstat("/sys/fs/cgroup", &a) < 0)
+ return 0;
+
+ if (lstat("/sys/fs/cgroup/systemd", &b) < 0)
+ return 0;
+
+ return a.st_dev != b.st_dev;
+#endif
+}