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userspace/libc: add <netinet/in.h> header for IPv4 and IPv6 support

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FIXME: not sure if this is implemented correctly

ref: https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/netinet_in.h.html
Signed-off-by: EnderIce2 <enderice2@protonmail.com>
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EnderIce2 2025-02-14 02:15:18 +02:00
parent d9433256ab
commit f3e145e6f7
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1 changed files with 147 additions and 0 deletions
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147
Userspace/libc/include/netinet/in.h Normal file
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/*
This file is part of Fennix C Library.
Fennix C Library is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix C Library 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix C Library. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef NETINET_IN_H
#define NETINET_IN_H
#include <inttypes.h>
#include <sys/socket.h>
typedef uint16_t in_port_t;
typedef uint32_t in_addr_t;
struct in_addr
{
in_addr_t s_addr;
};
struct sockaddr_in
{
sa_family_t sin_family;
in_port_t sin_port;
struct in_addr sin_addr;
};
struct in6_addr
{
uint8_t s6_addr[16];
};
struct sockaddr_in6
{
sa_family_t sin6_family;
in_port_t sin6_port;
uint32_t sin6_flowinfo;
struct in6_addr sin6_addr;
uint32_t sin6_scope_id;
};
extern const struct in6_addr in6addr_any;
extern const struct in6_addr in6addr_loopback;
#define IN6ADDR_ANY_INIT \
{ \
{{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}} \
}
#define IN6ADDR_LOOPBACK_INIT \
{ \
{{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}} \
}
struct ipv6_mreq
{
struct in6_addr ipv6mr_multiaddr;
unsigned ipv6mr_interface;
};
#define IPPROTO_IP 0
#define IPPROTO_IPV6 41
#define IPPROTO_ICMP 1
#define IPPROTO_RAW 255
#define IPPROTO_TCP 6
#define IPPROTO_UDP 17
#define INADDR_ANY ((in_addr_t)0x00000000)
#define INADDR_BROADCAST ((in_addr_t)0xffffffff)
#define INET_ADDRSTRLEN 16
#define INET6_ADDRSTRLEN 46
#define IPV6_JOIN_GROUP 20
#define IPV6_LEAVE_GROUP 21
#define IPV6_MULTICAST_HOPS 18
#define IPV6_MULTICAST_IF 17
#define IPV6_MULTICAST_LOOP 19
#define IPV6_UNICAST_HOPS 16
#define IPV6_V6ONLY 26
#define IN6_IS_ADDR_UNSPECIFIED(a) \
(((const uint32_t *)(a))[0] == 0 && \
((const uint32_t *)(a))[1] == 0 && \
((const uint32_t *)(a))[2] == 0 && \
((const uint32_t *)(a))[3] == 0)
#define IN6_IS_ADDR_LOOPBACK(a) \
(((const uint32_t *)(a))[0] == 0 && \
((const uint32_t *)(a))[1] == 0 && \
((const uint32_t *)(a))[2] == 0 && \
((const uint32_t *)(a))[3] == htonl(1))
#define IN6_IS_ADDR_MULTICAST(a) \
(((const uint8_t *)(a))[0] == 0xff)
#define IN6_IS_ADDR_LINKLOCAL(a) \
((((const uint8_t *)(a))[0] == 0xfe) && \
(((const uint8_t *)(a))[1] == 0x80))
#define IN6_IS_ADDR_SITELOCAL(a) \
((((const uint8_t *)(a))[0] == 0xfe) && \
(((const uint8_t *)(a))[1] == 0xc0))
#define IN6_IS_ADDR_V4MAPPED(a) \
((((const uint32_t *)(a))[0] == 0) && \
(((const uint32_t *)(a))[1] == 0) && \
(((const uint32_t *)(a))[2] == htonl(0xffff)))
#define IN6_IS_ADDR_V4COMPAT(a) \
((((const uint32_t *)(a))[0] == 0) && \
(((const uint32_t *)(a))[1] == 0) && \
(((const uint32_t *)(a))[2] == 0) && \
(ntohl(((const uint32_t *)(a))[3]) > 1))
#define IN6_IS_ADDR_MC_NODELOCAL(a) \
(IN6_IS_ADDR_MULTICAST(a) && \
((((const uint8_t *)(a))[1] & 0xf) == 1))
#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
(IN6_IS_ADDR_MULTICAST(a) && \
((((const uint8_t *)(a))[1] & 0xf) == 2))
#define IN6_IS_ADDR_MC_SITELOCAL(a) \
(IN6_IS_ADDR_MULTICAST(a) && \
((((const uint8_t *)(a))[1] & 0xf) == 5))
#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
(IN6_IS_ADDR_MULTICAST(a) && \
((((const uint8_t *)(a))[1] & 0xf) == 8))
#define IN6_IS_ADDR_MC_GLOBAL(a) \
(IN6_IS_ADDR_MULTICAST(a) && \
((((const uint8_t *)(a))[1] & 0xf) == 0xe))
#endif // NETINET_IN_H