mirror of
https://git.FreeBSD.org/ports.git
synced 2024-11-04 22:33:27 +00:00
82 lines
2.3 KiB
Plaintext
82 lines
2.3 KiB
Plaintext
--- tcpip.c.orig Tue Sep 22 13:35:43 1998
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+++ tcpip.c Sat Oct 24 11:46:58 1998
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@@ -25,6 +25,12 @@
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#include <stdarg.h>
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#include <net/if.h>
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+#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__bsdi__)
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+#include <err.h>
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+#include <errno.h>
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+#include <sysexits.h>
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+#endif
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+
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#include "tcpip.h"
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/*-- LINUX routilng TABLES */
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@@ -333,7 +339,64 @@
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}
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}
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-#else /* !LINUX ---------------------------------------------- OTHER --*/
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+/*------------------------------- FreeBSD / OpenBSD / NetBSD / BSDI --*/
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+#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__bsdi__)
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+/*
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+ FreeBSD Ref: /usr/share/examples/find_interface/
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+*/
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+ struct sockaddr_in local, remote;
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+ int s, rv, namelen;
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+
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+ remote.sin_addr.s_addr = dest;
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+ remote.sin_port = htons(60000);
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+ remote.sin_family = AF_INET;
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+ remote.sin_len = sizeof remote;
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+
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+ local.sin_addr.s_addr = htonl(INADDR_ANY);
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+ local.sin_port = htons(60000);
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+ local.sin_family = AF_INET;
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+ local.sin_len = sizeof local;
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+
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+ s = socket(PF_INET, SOCK_DGRAM, 0);
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+ if (s < 0)
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+ err(EX_OSERR, "socket");
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+
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+ do
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+ {
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+ rv = bind(s, (struct sockaddr *)&local, sizeof local);
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+ local.sin_port = htons(ntohs(local.sin_port) + 1);
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+ } while(rv < 0 && errno == EADDRINUSE);
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+
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+ if (rv < 0)
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+ err(EX_OSERR, "bind");
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+
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+ do
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+ {
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+ rv = connect(s, (struct sockaddr *)&remote, sizeof remote);
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+ remote.sin_port = htons(ntohs(remote.sin_port) + 1);
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+ } while(rv < 0 && errno == EADDRINUSE);
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+
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+ if (rv < 0)
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+ err(EX_OSERR, "bind");
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+
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+ do
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+ {
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+ rv = connect(s, (struct sockaddr *)&remote, sizeof remote);
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+ remote.sin_port = htons(ntohs(remote.sin_port) + 1);
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+ } while(rv < 0 && errno == EADDRINUSE);
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+
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+ if (rv < 0)
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+ err(EX_OSERR, "connect");
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+
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+ namelen = sizeof local;
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+ rv = getsockname(s, (struct sockaddr *)&local, &namelen);
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+
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+ if (rv < 0)
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+ err(EX_OSERR, "getsockname");
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+
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+ return local.sin_addr;
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+
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+#else /* !LINUX && !BSD ---------------------------------- OTHER --*/
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struct sockaddr_in sin;
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char myname[80];
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