C++ (Cpp) disable_capability_admin Examples

Example #1

File: ping_common.c Project: DARKPOP/external_iputils

void sock_setmark(int icmp_sock) {
#ifdef SO_MARK
	if (options & F_MARK) {
		int ret;

		enable_capability_admin();
		ret = setsockopt(icmp_sock, SOL_SOCKET, SO_MARK, &mark, sizeof(mark));
		disable_capability_admin();

		if (ret == -1) {
			/* we probably dont wanna exit since old kernels
			 * dont support mark ..
			*/
			fprintf(stderr, "Warning: Failed to set mark %d\n", mark);
		}
	}
#endif
}

Example #2

File: ping_common.c Project: 804251018/iputils

void setup(int icmp_sock)
{
	int hold;
	struct timeval tv;
	sigset_t sset;

	if ((options & F_FLOOD) && !(options & F_INTERVAL))
		interval = 0;

	if (uid && interval < MINUSERINTERVAL) {
		fprintf(stderr, "ping: cannot flood; minimal interval, allowed for user, is %dms\n", MINUSERINTERVAL);
		exit(2);
	}

	if (interval >= INT_MAX/preload) {
		fprintf(stderr, "ping: illegal preload and/or interval\n");
		exit(2);
	}

	hold = 1;
	if (options & F_SO_DEBUG)
		setsockopt(icmp_sock, SOL_SOCKET, SO_DEBUG, (char *)&hold, sizeof(hold));
	if (options & F_SO_DONTROUTE)
		setsockopt(icmp_sock, SOL_SOCKET, SO_DONTROUTE, (char *)&hold, sizeof(hold));

#ifdef SO_TIMESTAMP
	if (!(options&F_LATENCY)) {
		int on = 1;
		if (setsockopt(icmp_sock, SOL_SOCKET, SO_TIMESTAMP, &on, sizeof(on)))
			fprintf(stderr, "Warning: no SO_TIMESTAMP support, falling back to SIOCGSTAMP\n");
	}
#endif
#ifdef SO_MARK
	if (options & F_MARK) {
		int ret;

		enable_capability_admin();
		ret = setsockopt(icmp_sock, SOL_SOCKET, SO_MARK, &mark, sizeof(mark));
		disable_capability_admin();

		if (ret == -1) {
			/* we probably dont wanna exit since old kernels
			 * dont support mark ..
			*/
			fprintf(stderr, "Warning: Failed to set mark %d\n", mark);
		}
	}
#endif

	/* Set some SNDTIMEO to prevent blocking forever
	 * on sends, when device is too slow or stalls. Just put limit
	 * of one second, or "interval", if it is less.
	 */
	tv.tv_sec = 1;
	tv.tv_usec = 0;
	if (interval < 1000) {
		tv.tv_sec = 0;
		tv.tv_usec = 1000 * SCHINT(interval);
	}
	setsockopt(icmp_sock, SOL_SOCKET, SO_SNDTIMEO, (char*)&tv, sizeof(tv));

	/* Set RCVTIMEO to "interval". Note, it is just an optimization
	 * allowing to avoid redundant poll(). */
	tv.tv_sec = SCHINT(interval)/1000;
	tv.tv_usec = 1000*(SCHINT(interval)%1000);
	if (setsockopt(icmp_sock, SOL_SOCKET, SO_RCVTIMEO, (char*)&tv, sizeof(tv)))
		options |= F_FLOOD_POLL;

	if (!(options & F_PINGFILLED)) {
		int i;
		u_char *p = outpack+8;

		/* Do not forget about case of small datalen,
		 * fill timestamp area too!
		 */
		for (i = 0; i < datalen; ++i)
			*p++ = i;
	}

	ident = htons(getpid() & 0xFFFF);

	set_signal(SIGINT, sigexit);
	set_signal(SIGALRM, sigexit);
	set_signal(SIGQUIT, sigstatus);

	sigemptyset(&sset);
	sigprocmask(SIG_SETMASK, &sset, NULL);

	gettimeofday(&start_time, NULL);

	if (deadline) {
		struct itimerval it;

		it.it_interval.tv_sec = 0;
		it.it_interval.tv_usec = 0;
		it.it_value.tv_sec = deadline;
		it.it_value.tv_usec = 0;
		setitimer(ITIMER_REAL, &it, NULL);
	}

	if (isatty(STDOUT_FILENO)) {
		struct winsize w;

		if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1) {
			if (w.ws_col > 0)
				screen_width = w.ws_col;
		}
	}
}