82 lines
1.8 KiB
C
82 lines
1.8 KiB
C
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#include <mlvalues.h>
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#include <alloc.h>
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#include <memory.h>
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#include <str.h>
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#include <errno.h>
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#include "unix.h"
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#ifdef HAS_SOCKETS
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#include "socketaddr.h"
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value alloc_inet_addr(a)
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unsigned long a;
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{
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value res;
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res = alloc(1, Abstract_tag);
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GET_INET_ADDR(res) = a;
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return res;
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}
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void get_sockaddr(a)
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value a;
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{
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switch(Tag_val(a)) {
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case 0: /* ADDR_UNIX */
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{ value path;
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mlsize_t len;
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path = Field(a, 0);
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len = string_length(path);
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sock_addr.s_unix.sun_family = AF_UNIX;
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if (len >= sizeof(sock_addr.s_unix.sun_path)) {
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unix_error(ENAMETOOLONG, "", path);
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}
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bcopy(String_val(path), sock_addr.s_unix.sun_path, (int) len + 1);
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sock_addr_len = sizeof(sock_addr.s_unix.sun_family) + len;
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break;
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}
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case 1: /* ADDR_INET */
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{
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char * p;
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int n;
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for (p = (char *) &sock_addr.s_inet, n = sizeof(sock_addr.s_inet);
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n > 0; p++, n--)
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*p = 0;
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sock_addr.s_inet.sin_family = AF_INET;
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sock_addr.s_inet.sin_addr.s_addr = GET_INET_ADDR(Field(a, 0));
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sock_addr.s_inet.sin_port = htons(Int_val(Field(a, 1)));
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sock_addr_len = sizeof(struct sockaddr_in);
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break;
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}
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}
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}
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value alloc_sockaddr()
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{
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value res;
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switch(sock_addr.s_gen.sa_family) {
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case AF_UNIX:
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{ Push_roots(n, 1);
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n[0] = copy_string(sock_addr.s_unix.sun_path);
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res = alloc(1, 0);
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Field(res,0) = n[0];
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Pop_roots();
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break;
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}
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case AF_INET:
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{ Push_roots(a, 1);
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a[0] = alloc_inet_addr(sock_addr.s_inet.sin_addr.s_addr);
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res = alloc(2, 1);
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Field(res,0) = a[0];
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Field(res,1) = Val_int(ntohs(sock_addr.s_inet.sin_port));
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Pop_roots();
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break;
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}
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default:
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unix_error(EAFNOSUPPORT, "", Nothing);
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}
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return res;
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}
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#endif
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