+/* SPDX-License-Identifier: LGPL-2.1+ */
#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 "util.h"
union sockaddr_union {
+ /* The minimal, abstract version */
struct sockaddr sa;
+
+ /* The libc provided version that allocates "enough room" for every protocol */
+ struct sockaddr_storage storage;
+
+ /* Protoctol-specific implementations */
struct sockaddr_in in;
struct sockaddr_in6 in6;
struct sockaddr_un un;
-#if 0 /// UNNEEDED by elogind, only 'sa', 'in', 'in6' and 'un' are used in all of elogind.
+#if 0 /// UNNEEDED by elogind.
struct sockaddr_nl nl;
- struct sockaddr_storage storage;
struct sockaddr_ll ll;
- struct sockaddr_vm vm;
#endif // 0
+ struct sockaddr_vm vm;
+
/* Ensure there is enough space to store Infiniband addresses */
uint8_t ll_buffer[offsetof(struct sockaddr_ll, sll_addr) + CONST_MAX(ETH_ALEN, INFINIBAND_ALEN)];
+
+ /* Ensure there is enough space after the AF_UNIX sun_path for one more NUL byte, just to be sure that the path
+ * component is always followed by at least one NUL byte. */
+ uint8_t un_buffer[sizeof(struct sockaddr_un) + 1];
};
#if 0 /// UNNEEDED by elogind
#define socket_address_family(a) ((a)->sockaddr.sa.sa_family)
+const char* socket_address_type_to_string(int t) _const_;
+int socket_address_type_from_string(const char *s) _pure_;
+
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);
const char* socket_address_get_path(const SocketAddress *a);
bool socket_ipv6_is_supported(void);
+#endif // 0
int sockaddr_port(const struct sockaddr *_sa, unsigned *port);
+#if 0 /// UNNEEDED by elogind
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_;
+SocketAddressBindIPv6Only socket_address_bind_ipv6_only_or_bool_from_string(const char *s);
int netlink_family_to_string_alloc(int b, char **s);
int netlink_family_from_string(const char *s) _pure_;
int getpeercred(int fd, struct ucred *ucred);
int getpeersec(int fd, char **ret);
+int getpeergroups(int fd, gid_t **ret);
int send_one_fd_sa(int transport_fd,
int fd,