C++ (Cpp) print_scm_rightsの例

コード例 #1

ファイル: net.c プロジェクト: 3125788/platform_external_strace

static void
print_cmsg_type_data(struct tcb *tcp, const int cmsg_level, const int cmsg_type,
		     const void *cmsg_data, const size_t data_len)
{
	switch (cmsg_level) {
	case SOL_SOCKET:
		printxval(scmvals, cmsg_type, "SCM_???");
		switch (cmsg_type) {
		case SCM_RIGHTS:
			print_scm_rights(tcp, cmsg_data, data_len);
			break;
		case SCM_CREDENTIALS:
			print_scm_creds(tcp, cmsg_data, data_len);
			break;
		case SCM_SECURITY:
			print_scm_security(tcp, cmsg_data, data_len);
			break;
		}
		break;
	case SOL_IP:
		printxval(ip_cmsg_types, cmsg_type, "IP_???");
		switch (cmsg_type) {
		case IP_PKTINFO:
			print_cmsg_ip_pktinfo(tcp, cmsg_data, data_len);
			break;
		case IP_TTL:
			print_cmsg_ip_ttl(tcp, cmsg_data, data_len);
			break;
		case IP_TOS:
			print_cmsg_ip_tos(tcp, cmsg_data, data_len);
			break;
		case IP_RECVOPTS:
		case IP_RETOPTS:
			print_cmsg_ip_opts(tcp, cmsg_data, data_len);
			break;
		case IP_RECVERR:
			print_cmsg_ip_recverr(tcp, cmsg_data, data_len);
			break;
		case IP_ORIGDSTADDR:
			print_cmsg_ip_origdstaddr(tcp, cmsg_data, data_len);
			break;
		case IP_CHECKSUM:
			print_cmsg_ip_checksum(tcp, cmsg_data, data_len);
			break;
		case SCM_SECURITY:
			print_scm_security(tcp, cmsg_data, data_len);
			break;
		}
		break;
	default:
		tprintf("%u", cmsg_type);
	}
}

コード例 #2

ファイル: net.c プロジェクト: FrBrGeorge/strace-mpers

static void
printcmsghdr(struct tcb *tcp, unsigned long addr, size_t len)
{
	const size_t cmsg_size =
#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
		(current_wordsize < sizeof(long)) ? sizeof(struct cmsghdr32) :
#endif
			sizeof(struct cmsghdr);

	char *buf = len < cmsg_size ? NULL : malloc(len);
	if (!buf || umoven(tcp, addr, len, buf) < 0) {
		tprintf(", msg_control=%#lx", addr);
		free(buf);
		return;
	}

	union_cmsghdr u = { .ptr = buf };

	tprints(", [");
	while (len >= cmsg_size) {
		size_t cmsg_len =
#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
			(current_wordsize < sizeof(long)) ? u.cmsg32->cmsg_len :
#endif
				u.cmsg->cmsg_len;
		int cmsg_level =
#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
			(current_wordsize < sizeof(long)) ? u.cmsg32->cmsg_level :
#endif
				u.cmsg->cmsg_level;
		int cmsg_type =
#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
			(current_wordsize < sizeof(long)) ? u.cmsg32->cmsg_type :
#endif
				u.cmsg->cmsg_type;

		if (u.ptr != buf)
			tprints(", ");
		tprintf("{cmsg_len=%lu, cmsg_level=", (unsigned long) cmsg_len);
		printxval(socketlayers, cmsg_level, "SOL_???");
		tprints(", cmsg_type=");

		if (cmsg_len > len)
			cmsg_len = len;

		if (cmsg_level == SOL_SOCKET) {
			printxval(scmvals, cmsg_type, "SCM_???");
			switch (cmsg_type) {
			case SCM_RIGHTS:
				if (print_scm_rights(tcp, cmsg_size, u.ptr, cmsg_len))
					goto next_cmsg;
				break;
			case SCM_CREDENTIALS:
				if (print_scm_creds(tcp, cmsg_size, u.ptr, cmsg_len))
					goto next_cmsg;
				break;
			case SCM_SECURITY:
				if (print_scm_security(tcp, cmsg_size, u.ptr, cmsg_len))
					goto next_cmsg;
				break;
			}
		} else {
			tprintf("%u", cmsg_type);
		}
		tprints(", ...}");
next_cmsg:
		if (cmsg_len < cmsg_size) {
			len -= cmsg_size;
			break;
		}
		cmsg_len = (cmsg_len + current_wordsize - 1) &
			(size_t) ~(current_wordsize - 1);
		if (cmsg_len >= len) {
			len = 0;
			break;
		}
		u.ptr += cmsg_len;
		len -= cmsg_len;
	}
	if (len)
		tprints(", ...");
	tprints("]");
	free(buf);
}