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119 lines
2.6 KiB
C
119 lines
2.6 KiB
C
#include <sys/param.h>
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#include <sys/types.h>
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#ifndef __MINGW32__
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#include <sys/socket.h>
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#include <netinet/in.h>
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#endif
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#include "windoze.h"
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#include "byte.h"
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#include "socket.h"
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#include "ip6.h"
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#include "haveip6.h"
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#include "havesl.h"
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#include "havescope.h"
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#ifdef __MINGW32__
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#include <string.h>
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#include <windows.h>
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#include <mswsock.h>
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#include <errno.h>
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#include <stdio.h>
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#include "io_internal.h"
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#endif
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int socket_accept6(int s,char ip[16],uint16* port,uint32* scope_id)
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{
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#ifdef LIBC_HAS_IP6
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struct sockaddr_in6 sa;
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#else
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struct sockaddr_in sa;
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#endif
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socklen_t dummy = sizeof sa;
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int fd;
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#ifdef __MINGW32__
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io_entry* e=array_get(&io_fds,sizeof(io_entry),s);
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if (e && e->inuse) {
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int sa2len;
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fd=-1;
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if (e->acceptqueued==1) {
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errno=EAGAIN;
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return -1;
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}
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if (e->acceptqueued==2) {
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incoming:
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/* incoming! */
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{
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struct sockaddr* x,* y;
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GetAcceptExSockaddrs(e->inbuf,0,200,200,&x,&sa2len,&y,&dummy);
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if (dummy>sizeof(sa)) dummy=sizeof(sa);
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memcpy(&sa,y,dummy);
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}
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fd=e->next_accept;
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e->next_accept=0;
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if (e->nonblock) {
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if (io_fd(fd)) {
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io_entry* f=array_get(&io_fds,sizeof(io_entry),fd);
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if (f) {
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f->nonblock=1;
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// printf("setting fd %lu to non-blocking\n",(int)fd);
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}
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}
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}
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}
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/* no accept queued, queue one now. */
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if (e->next_accept==0) {
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e->next_accept=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
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if (e==-1)
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return winsock2errno(-1);
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}
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if (AcceptEx(s,e->next_accept,e->inbuf,0,200,200,&e->errorcode,&e->or))
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goto incoming;
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if (WSAGetLastError() != ERROR_IO_PENDING)
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return winsock2errno(-1);
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e->acceptqueued=1;
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if (fd==-1) {
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errno=EAGAIN;
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return fd;
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}
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} else {
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#endif
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fd = accept(s,(struct sockaddr *) &sa,&dummy);
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if (fd == -1)
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return winsock2errno(-1);
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#ifdef __MINGW32__
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}
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#endif
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#ifdef LIBC_HAS_IP6
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if (noipv6 || sa.sin6_family==AF_INET || sa.sin6_family==PF_INET) {
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struct sockaddr_in *sa4=(struct sockaddr_in*)&sa;
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if (ip) {
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byte_copy(ip,12,V4mappedprefix);
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byte_copy(ip+12,4,(char *) &sa4->sin_addr);
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}
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if (port) uint16_unpack_big((char *) &sa4->sin_port,port);
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return fd;
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}
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if (ip) byte_copy(ip,16,(char *) &sa.sin6_addr);
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if (port) uint16_unpack_big((char *) &sa.sin6_port,port);
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#ifdef LIBC_HAS_SCOPE_ID
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if (scope_id) *scope_id=sa.sin6_scope_id;
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#else
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if (scope_id) *scope_id=0;
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#endif
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return fd;
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#else
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if (ip) {
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byte_copy(ip,12,V4mappedprefix);
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byte_copy(ip+12,4,(char *) &sa.sin_addr);
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}
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if (port) uint16_unpack_big((char *) &sa.sin_port,port);
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if (scope_id) *scope_id=0;
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return fd;
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#endif
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}
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