int fd = -1, r;
struct msghdr msghdr;
struct iovec iovec;
- struct ucred *ucred;
union {
struct sockaddr sa;
struct sockaddr_un un;
} sockaddr;
- union {
- struct cmsghdr cmsghdr;
- uint8_t buf[CMSG_SPACE(sizeof(struct ucred))];
- } control;
const char *e;
if (!(e = getenv("NOTIFY_SOCKET"))) {
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(sa_family_t) + strlen(e);
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;