From fd6ea8a3f4999133f8ac036a23584c3e5f9e9b3f Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@sbcglobal.net>
Date: Sat, 17 Dec 2016 03:04:41 -0500
Subject: ./tools/notsd-move
---
.../include/systemd-basic/socket-util.h | 159 +++++++++++++++++++++
1 file changed, 159 insertions(+)
create mode 100644 src/libsystemd-basic/include/systemd-basic/socket-util.h
(limited to 'src/libsystemd-basic/include/systemd-basic/socket-util.h')
diff --git a/src/libsystemd-basic/include/systemd-basic/socket-util.h b/src/libsystemd-basic/include/systemd-basic/socket-util.h
new file mode 100644
index 0000000000..7f1a87bc3e
--- /dev/null
+++ b/src/libsystemd-basic/include/systemd-basic/socket-util.h
@@ -0,0 +1,159 @@
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <netinet/ether.h>
+#include <netinet/in.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/un.h>
+
+#include <linux/netlink.h>
+#include <linux/if_packet.h>
+
+#include "macro.h"
+#include "util.h"
+
+union sockaddr_union {
+ struct sockaddr sa;
+ struct sockaddr_in in;
+ struct sockaddr_in6 in6;
+ struct sockaddr_un un;
+ struct sockaddr_nl nl;
+ struct sockaddr_storage storage;
+ struct sockaddr_ll ll;
+};
+
+typedef struct SocketAddress {
+ union sockaddr_union sockaddr;
+
+ /* We store the size here explicitly due to the weird
+ * sockaddr_un semantics for abstract sockets */
+ socklen_t size;
+
+ /* Socket type, i.e. SOCK_STREAM, SOCK_DGRAM, ... */
+ int type;
+
+ /* Socket protocol, IPPROTO_xxx, usually 0, except for netlink */
+ int protocol;
+} SocketAddress;
+
+typedef enum SocketAddressBindIPv6Only {
+ SOCKET_ADDRESS_DEFAULT,
+ SOCKET_ADDRESS_BOTH,
+ SOCKET_ADDRESS_IPV6_ONLY,
+ _SOCKET_ADDRESS_BIND_IPV6_ONLY_MAX,
+ _SOCKET_ADDRESS_BIND_IPV6_ONLY_INVALID = -1
+} SocketAddressBindIPv6Only;
+
+#define socket_address_family(a) ((a)->sockaddr.sa.sa_family)
+
+int socket_address_parse(SocketAddress *a, const char *s);
+int socket_address_parse_and_warn(SocketAddress *a, const char *s);
+int socket_address_parse_netlink(SocketAddress *a, const char *s);
+int socket_address_print(const SocketAddress *a, char **p);
+int socket_address_verify(const SocketAddress *a) _pure_;
+int socket_address_unlink(SocketAddress *a);
+
+bool socket_address_can_accept(const SocketAddress *a) _pure_;
+
+int socket_address_listen(
+ const SocketAddress *a,
+ int flags,
+ int backlog,
+ SocketAddressBindIPv6Only only,
+ const char *bind_to_device,
+ bool reuse_port,
+ bool free_bind,
+ bool transparent,
+ mode_t directory_mode,
+ mode_t socket_mode,
+ const char *label);
+int make_socket_fd(int log_level, const char* address, int type, int flags);
+
+bool socket_address_is(const SocketAddress *a, const char *s, int type);
+bool socket_address_is_netlink(const SocketAddress *a, const char *s);
+
+bool socket_address_matches_fd(const SocketAddress *a, int fd);
+
+bool socket_address_equal(const SocketAddress *a, const SocketAddress *b) _pure_;
+
+const char* socket_address_get_path(const SocketAddress *a);
+
+bool socket_ipv6_is_supported(void);
+
+int sockaddr_port(const struct sockaddr *_sa) _pure_;
+
+int sockaddr_pretty(const struct sockaddr *_sa, socklen_t salen, bool translate_ipv6, bool include_port, char **ret);
+int getpeername_pretty(int fd, bool include_port, char **ret);
+int getsockname_pretty(int fd, char **ret);
+
+int socknameinfo_pretty(union sockaddr_union *sa, socklen_t salen, char **_ret);
+int getnameinfo_pretty(int fd, char **ret);
+
+const char* socket_address_bind_ipv6_only_to_string(SocketAddressBindIPv6Only b) _const_;
+SocketAddressBindIPv6Only socket_address_bind_ipv6_only_from_string(const char *s) _pure_;
+
+int netlink_family_to_string_alloc(int b, char **s);
+int netlink_family_from_string(const char *s) _pure_;
+
+bool sockaddr_equal(const union sockaddr_union *a, const union sockaddr_union *b);
+
+int fd_inc_sndbuf(int fd, size_t n);
+int fd_inc_rcvbuf(int fd, size_t n);
+
+int ip_tos_to_string_alloc(int i, char **s);
+int ip_tos_from_string(const char *s);
+
+bool ifname_valid(const char *p);
+
+int getpeercred(int fd, struct ucred *ucred);
+int getpeersec(int fd, char **ret);
+
+int send_one_fd_sa(int transport_fd,
+ int fd,
+ const struct sockaddr *sa, socklen_t len,
+ int flags);
+#define send_one_fd(transport_fd, fd, flags) send_one_fd_sa(transport_fd, fd, NULL, 0, flags)
+int receive_one_fd(int transport_fd, int flags);
+
+ssize_t next_datagram_size_fd(int fd);
+
+int flush_accept(int fd);
+
+#define CMSG_FOREACH(cmsg, mh) \
+ for ((cmsg) = CMSG_FIRSTHDR(mh); (cmsg); (cmsg) = CMSG_NXTHDR((mh), (cmsg)))
+
+struct cmsghdr* cmsg_find(struct msghdr *mh, int level, int type, socklen_t length);
+
+/* Covers only file system and abstract AF_UNIX socket addresses, but not unnamed socket addresses. */
+#define SOCKADDR_UN_LEN(sa) \
+ ({ \
+ const struct sockaddr_un *_sa = &(sa); \
+ assert(_sa->sun_family == AF_UNIX); \
+ offsetof(struct sockaddr_un, sun_path) + \
+ (_sa->sun_path[0] == 0 ? \
+ 1 + strnlen(_sa->sun_path+1, sizeof(_sa->sun_path)-1) : \
+ strnlen(_sa->sun_path, sizeof(_sa->sun_path))); \
+ })
+
+int socket_ioctl_fd(void);
--
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