90 lines
1.7 KiB
C
90 lines
1.7 KiB
C
/* simple identd server for xchat under win32 */
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static int identd_is_running = FALSE;
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static int
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identd (char *username)
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{
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int sok, read_sok, len;
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char *p;
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char buf[256];
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char outbuf[256];
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struct sockaddr_in addr;
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sok = socket (AF_INET, SOCK_STREAM, 0);
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if (sok == INVALID_SOCKET)
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{
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free (username);
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return 0;
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}
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len = 1;
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setsockopt (sok, SOL_SOCKET, SO_REUSEADDR, (char *) &len, sizeof (len));
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memset (&addr, 0, sizeof (addr));
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addr.sin_family = AF_INET;
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addr.sin_port = htons (113);
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if (bind (sok, (struct sockaddr *) &addr, sizeof (addr)) == SOCKET_ERROR)
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{
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closesocket (sok);
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free (username);
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return 0;
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}
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if (listen (sok, 1) == SOCKET_ERROR)
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{
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closesocket (sok);
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free (username);
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return 0;
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}
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len = sizeof (addr);
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read_sok = accept (sok, (struct sockaddr *) &addr, &len);
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closesocket (sok);
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if (read_sok == INVALID_SOCKET)
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{
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free (username);
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return 0;
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}
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identd_is_running = FALSE;
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snprintf (outbuf, sizeof (outbuf), "%%\tServicing ident request from %s\n",
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inet_ntoa (addr.sin_addr));
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PrintText (current_sess, outbuf);
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recv (read_sok, buf, sizeof (buf) - 1, 0);
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buf[sizeof (buf) - 1] = 0; /* ensure null termination */
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p = strchr (buf, ',');
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if (p)
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{
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snprintf (outbuf, sizeof (outbuf) - 1, "%d, %d : USERID : UNIX : %s\r\n",
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atoi (buf), atoi (p + 1), username);
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outbuf[sizeof (outbuf) - 1] = 0; /* ensure null termination */
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send (read_sok, outbuf, strlen (outbuf), 0);
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}
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sleep (1);
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closesocket (read_sok);
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free (username);
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return 0;
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}
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static void
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identd_start (char *username)
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{
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DWORD tid;
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if (identd_is_running == FALSE)
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{
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identd_is_running = TRUE;
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CloseHandle (CreateThread (NULL, 0, (LPTHREAD_START_ROUTINE) identd,
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strdup (username), 0, &tid));
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}
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}
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