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OpenBSD Sockets (#2353)

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* native file testing for BSD
* basic OpenBSD socket port
---------

Co-authored-by: Christoffer Lerno <christoffer@aegik.com>
This commit is contained in:
Zack Puhl
2025-08-02 17:15:53 -04:00
committed by GitHub
parent 2a47cc2ca9
commit 483fe62750
4 changed files with 131 additions and 4 deletions
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6
lib/std/net/os/common.c3
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@@ -1,5 +1,5 @@
module std::net::os;
const bool SUPPORTS_INET = env::LIBC && (env::WIN32 || env::DARWIN || env::LINUX || env::ANDROID);
const bool SUPPORTS_INET = env::LIBC && (env::WIN32 || env::DARWIN || env::LINUX || env::ANDROID || env::OPENBSD);
typedef AIFamily = CInt;
typedef AIProtocol = CInt;
@@ -23,7 +23,7 @@ struct AddrInfo
ZString ai_canonname;
SockAddrPtr ai_addr;
}
struct @if(env::LINUX)
struct @if(env::LINUX || env::OPENBSD)
{
SockAddrPtr ai_addr;
ZString ai_canonname;
@@ -58,7 +58,7 @@ extern fn void freeaddrinfo(AddrInfo* res) @if(SUPPORTS_INET);
extern fn CInt setsockopt(NativeSocket socket, CInt level, CInt optname, void* optval, Socklen_t optlen) @if(SUPPORTS_INET);
extern fn CInt getsockopt(NativeSocket socket, CInt level, CInt optname, void* optval, Socklen_t optlen) @if(SUPPORTS_INET);
module std::net::os @if(!env::LIBC || !(env::WIN32 || env::DARWIN || env::LINUX || env::ANDROID));
module std::net::os @if(!env::LIBC || !(env::WIN32 || env::DARWIN || env::LINUX || env::ANDROID || env::OPENBSD));
const AIFamily PLATFORM_AF_INET6 = 0;
const AIFamily PLATFORM_AF_IPX = 0;

109
lib/std/net/os/openbsd.c3 Normal file
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@@ -0,0 +1,109 @@
module std::net::os @if(env::OPENBSD);
import libc;
// for most of this, see OpenBSD /usr/include/sys/socket.h
const AIFlags AI_EXT = 0x8;
const AIFlags AI_NUMERICSERV = 0x10;
const AIFlags AI_FQDN = 0x20;
const AIFlags AI_ADDRCONFIG = 0x40;
const AIFamily PLATFORM_AF_LOCAL = AF_UNIX; // draft POSIX compatibility
const AIFamily PLATFORM_AF_IMPLINK = 3; // arpanet imp addresses
const AIFamily PLATFORM_AF_PUP = 4; // pup protocols: e.g. BSP
const AIFamily PLATFORM_AF_CHAOS = 5; // mit CHAOS protocols
const AIFamily PLATFORM_AF_NS = 6; // XEROX NS protocols
const AIFamily PLATFORM_AF_ISO = 7; // ISO protocols
const AIFamily PLATFORM_AF_OSI = PLATFORM_AF_ISO;
const AIFamily PLATFORM_AF_ECMA = 8; // european computer manufacturers
const AIFamily PLATFORM_AF_DATAKIT = 9; // datakit protocols
const AIFamily PLATFORM_AF_CCITT = 10; // CCITT protocols, X.25 etc
const AIFamily PLATFORM_AF_SNA = 11; // IBM SNA
const AIFamily PLATFORM_AF_DECNET = 12; // DECnet
const AIFamily PLATFORM_AF_DLI = 13; // DEC Direct data link interface
const AIFamily PLATFORM_AF_LAT = 14; // LAT
const AIFamily PLATFORM_AF_HYLINK = 15; // NSC Hyperchannel
const AIFamily PLATFORM_AF_APPLETALK = 16; // Apple Talk
const AIFamily PLATFORM_AF_ROUTE = 17; // Internal Routing Protocol
const AIFamily PLATFORM_AF_LINK = 18; // Link layer interface
const AIFamily PLATFORM_PSEUDO_AF_XTP = 19; // eXpress Transfer Protocol (no AF)
const AIFamily PLATFORM_AF_COIP = 20; // connection-oriented IP, aka ST II
const AIFamily PLATFORM_AF_CNT = 21; // Computer Network Technology
const AIFamily PLATFORM_PSEUDO_AF_RTIP = 22; // Help Identify RTIP packets
const AIFamily PLATFORM_AF_IPX = 23; // Novell Internet Protocol
const AIFamily PLATFORM_AF_INET6 = 24; // IPv6
const AIFamily PLATFORM_PSEUDO_AF_PIP = 25; // Help Identify PIP packets
const AIFamily PLATFORM_AF_ISDN = 26; // Integrated Services Digital Network*/
const AIFamily PLATFORM_AF_E164 = PLATFORM_AF_ISDN; // CCITT E.164 recommendation
const AIFamily PLATFORM_AF_NATM = 27; // native ATM access
const AIFamily PLATFORM_AF_ENCAP = 28;
const AIFamily PLATFORM_AF_SIP = 29; // Simple Internet Protocol
const AIFamily PLATFORM_AF_KEY = 30;
const AIFamily PLATFORM_PSEUDO_AF_HDRCMPLT = 31; // Used by BPF to not rewrite headers in interface output routine
const AIFamily PLATFORM_AF_BLUETOOTH = 32; // Bluetooth
const AIFamily PLATFORM_AF_MPLS = 33; // MPLS
const AIFamily PLATFORM_PSEUDO_AF_PFLOW = 34; // pflow
const AIFamily PLATFORM_PSEUDO_AF_PIPEX = 35; // PIPEX
const AIFamily PLATFORM_AF_FRAME = 36; // frame (Ethernet) sockets
const AIFamily PLATFORM_AF_MAX = 37;
// see: https://github.com/openbsd/src/blob/1ca4dc792538d17b4c2bd71550f68070505fd7b9/sys/sys/socket.h#L157
const int SOL_SOCKET = 0xFFFF;
const int SO_DEBUG = 0x0001; // turn on debugging info recording
const int SO_ACCEPTCONN = 0x0002; // socket has had listen()
const int SO_REUSEADDR = 0x0004; // allow local address reuse
const int SO_KEEPALIVE = 0x0008; // keep connections alive
const int SO_DONTROUTE = 0x0010; // just use interface addresses
const int SO_BROADCAST = 0x0020; // permit sending of broadcast msgs
const int SO_USELOOPBACK = 0x0040; // bypass hardware when possible
const int SO_LINGER = 0x0080; // linger on close if data present
const int SO_OOBINLINE = 0x0100; // leave received OOB data in line
const int SO_REUSEPORT = 0x0200; // allow local address & port reuse
const int SO_TIMESTAMP = 0x0800; // timestamp received dgram traffic
const int SO_BINDANY = 0x1000; // allow bind to any address
const int SO_ZEROIZE = 0x2000; // zero out all mbufs sent over socket
// additional
const int SO_SNDBUF = 0x1001; // send buffer size
const int SO_RCVBUF = 0x1002; // receive buffer size
const int SO_SNDLOWAT = 0x1003; // send low-water mark
const int SO_RCVLOWAT = 0x1004; // receive low-water mark
const int SO_SNDTIMEO = 0x1005; // send timeout
const int SO_RCVTIMEO = 0x1006; // receive timeout
const int SO_ERROR = 0x1007; // get error status and clear
const int SO_TYPE = 0x1008; // get socket type
const int SO_NETPROC = 0x1020; // multiplex; network processing
const int SO_RTABLE = 0x1021; // routing table to be used
const int SO_PEERCRED = 0x1022; // get connect-time credentials
const int SO_SPLICE = 0x1023; // splice data to other socket
const int SO_DOMAIN = 0x1024; // get socket domain
const int SO_PROTOCOL = 0x1025; // get socket protocol
// POLLIN through POLLNVAL are predefined by lib/std/net/os/posix.c3
const CUShort POLLRDNORM = 0x0040;
const CUShort POLLNORM = POLLRDNORM;
const CUShort POLLWRNORM = POLLOUT;
const CUShort POLLRDBAND = 0x0080;
const CUShort POLLWRBAND = 0x0100;
const CInt MSG_OOB = 0x1; // process out-of-band data
const CInt MSG_PEEK = 0x2; // peek at incoming message
const CInt MSG_DONTROUTE = 0x4; // send without using routing tables
const CInt MSG_EOR = 0x8; // data completes record
const CInt MSG_TRUNC = 0x10; // data discarded before delivery
const CInt MSG_CTRUNC = 0x20; // control data lost before delivery
const CInt MSG_WAITALL = 0x40; // wait for full request or error
const CInt MSG_DONTWAIT = 0x80; // this message should be nonblocking
const CInt MSG_BCAST = 0x100; // this message rec'd as broadcast
const CInt MSG_MCAST = 0x200; // this message rec'd as multicast
const CInt MSG_NOSIGNAL = 0x400; // do not send SIGPIPE
const CInt MSG_CMSG_CLOEXEC = 0x800; // set FD_CLOEXEC on received fds
const CInt MSG_WAITFORONE = 0x1000; // nonblocking but wait for one msg
// socket creation options
const SOCK_CLOEXEC = 0x8000; // set FD_CLOEXEC
const SOCK_NONBLOCK = 0x4000; // set O_NONBLOCK
const SOCK_NONBLOCK_INHERIT = 0x2000; // inherit O_NONBLOCK from listener
const SOCK_DNS = 0x1000; // set SS_DNS
const PLATFORM_O_NONBLOCK = SOCK_NONBLOCK;