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Diffstat (limited to 'src/lib/crypto/os/c_localaddr.c')
-rw-r--r--src/lib/crypto/os/c_localaddr.c348
1 files changed, 0 insertions, 348 deletions
diff --git a/src/lib/crypto/os/c_localaddr.c b/src/lib/crypto/os/c_localaddr.c
deleted file mode 100644
index 3b3bcb4..0000000
--- a/src/lib/crypto/os/c_localaddr.c
+++ /dev/null
@@ -1,348 +0,0 @@
-/*
- * lib/crypto/os/c_localaddr.c
- *
- * Copyright 1990,1991 by the Massachusetts Institute of Technology.
- * All Rights Reserved.
- *
- * Export of this software from the United States of America may
- * require a specific license from the United States Government.
- * It is the responsibility of any person or organization contemplating
- * export to obtain such a license before exporting.
- *
- * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
- * distribute this software and its documentation for any purpose and
- * without fee is hereby granted, provided that the above copyright
- * notice appear in all copies and that both that copyright notice and
- * this permission notice appear in supporting documentation, and that
- * the name of M.I.T. not be used in advertising or publicity pertaining
- * to distribution of the software without specific, written prior
- * permission. M.I.T. makes no representations about the suitability of
- * this software for any purpose. It is provided "as is" without express
- * or implied warranty.
- *
- *
- * Return the protocol addresses supported by this host.
- *
- * XNS support is untested, but "Should just work".
- */
-
-
-#define NEED_SOCKETS
-#include "k5-int.h"
-
-#if !defined(HAVE_MACSOCK_H) && !defined(_MSDOS) && !defined(_WIN32)
-
-/* needed for solaris, harmless elsewhere... */
-#define BSD_COMP
-#include <sys/ioctl.h>
-#include <sys/time.h>
-#include <errno.h>
-
-/*
- * The SIOCGIF* ioctls require a socket.
- * It doesn't matter *what* kind of socket they use, but it has to be
- * a socket.
- *
- * Of course, you can't just ask the kernel for a socket of arbitrary
- * type; you have to ask for one with a valid type.
- *
- */
-#ifdef HAVE_NETINET_IN_H
-
-#include <netinet/in.h>
-
-#ifndef USE_AF
-#define USE_AF AF_INET
-#define USE_TYPE SOCK_DGRAM
-#define USE_PROTO 0
-#endif
-
-#endif
-
-#ifdef KRB5_USE_NS
-
-#include <netns/ns.h>
-
-#ifndef USE_AF
-#define USE_AF AF_NS
-#define USE_TYPE SOCK_DGRAM
-#define USE_PROTO 0 /* guess */
-#endif
-
-#endif
-/*
- * Add more address families here.
- */
-
-/*
- * BSD 4.4 defines the size of an ifreq to be
- * max(sizeof(ifreq), sizeof(ifreq.ifr_name)+ifreq.ifr_addr.sa_len
- * However, under earlier systems, sa_len isn't present, so the size is
- * just sizeof(struct ifreq)
- */
-#ifdef HAVE_SA_LEN
-#ifndef max
-#define max(a,b) ((a) > (b) ? (a) : (b))
-#endif
-#define ifreq_size(i) max(sizeof(struct ifreq),\
- sizeof((i).ifr_name)+(i).ifr_addr.sa_len)
-#else
-#define ifreq_size(i) sizeof(struct ifreq)
-#endif /* HAVE_SA_LEN*/
-
-
-
-extern int errno;
-
-/*
- * Return all the protocol addresses of this host.
- *
- * We could kludge up something to return all addresses, assuming that
- * they're valid kerberos protocol addresses, but we wouldn't know the
- * real size of the sockaddr or know which part of it was actually the
- * host part.
- *
- * This uses the SIOCGIFCONF, SIOCGIFFLAGS, and SIOCGIFADDR ioctl's.
- */
-
-krb5_error_code
-krb5_crypto_os_localaddr(addr)
- krb5_address ***addr;
-{
- struct ifreq *ifr, ifreq;
- struct ifconf ifc;
- int s, code, n, i;
- char buf[1024];
- krb5_address *addr_temp [ 1024/sizeof(struct ifreq) ];
- int n_found;
- int mem_err = 0;
-
- memset(buf, 0, sizeof(buf));
- ifc.ifc_len = sizeof(buf);
- ifc.ifc_buf = buf;
-
- s = socket (USE_AF, USE_TYPE, USE_PROTO);
- if (s < 0)
- return errno;
-
- code = ioctl (s, SIOCGIFCONF, (char *)&ifc);
- if (code < 0) {
- int retval = errno;
- closesocket (s);
- return retval;
- }
- n = ifc.ifc_len;
-
-n_found = 0;
- for (i = 0; i < n; i+= ifreq_size(*ifr) ) {
- krb5_address *address;
- ifr = (struct ifreq *)((caddr_t) ifc.ifc_buf+i);
-
- strncpy(ifreq.ifr_name, ifr->ifr_name, sizeof (ifreq.ifr_name));
- if (ioctl (s, SIOCGIFFLAGS, (char *)&ifreq) < 0)
- continue;
-
-#ifdef IFF_LOOPBACK
- if (ifreq.ifr_flags & IFF_LOOPBACK)
- continue;
-#endif
-
- if (!(ifreq.ifr_flags & IFF_UP))
- /* interface is down; skip */
- continue;
-
- /* ifr->ifr_addr has what we want! */
- switch (ifr->ifr_addr.sa_family) {
-#ifdef HAVE_NETINET_IN_H
- case AF_INET:
- {
- struct sockaddr_in *in =
- (struct sockaddr_in *)&ifr->ifr_addr;
-
- address = (krb5_address *)
- malloc (sizeof(krb5_address));
- if (address) {
- address->magic = KV5M_ADDRESS;
- address->addrtype = ADDRTYPE_INET;
- address->length = sizeof(struct in_addr);
- address->contents = (unsigned char *)malloc(address->length);
- if (!address->contents) {
- krb5_xfree(address);
- address = 0;
- mem_err++;
- } else {
- memcpy ((char *)address->contents,
- (char *)&in->sin_addr,
- address->length);
- break;
- }
- } else mem_err++;
- }
-#endif
-#ifdef KRB5_USE_NS
- case AF_XNS:
- {
- struct sockaddr_ns *ns =
- (struct sockaddr_ns *)&ifr->ifr_addr;
- address = (krb5_address *)
- malloc (sizeof (krb5_address) + sizeof (struct ns_addr));
- if (address) {
- address->magic = KV5M_ADDRESS;
- address->addrtype = ADDRTYPE_XNS;
-
- /* XXX should we perhaps use ns_host instead? */
-
- address->length = sizeof(struct ns_addr);
- address->contents = (unsigned char *)malloc(address->length);
- if (!address->contents) {
- krb5_xfree(address);
- address = 0;
- mem_err++;
- } else {
- memcpy ((char *)address->contents,
- (char *)&ns->sns_addr,
- address->length);
- break;
- }
- } else mem_err++;
- break;
- }
-#endif
- /*
- * Add more address families here..
- */
- default:
- continue;
- }
- if (address)
- addr_temp[n_found++] = address;
- address = 0;
- }
- closesocket(s);
-
- *addr = (krb5_address **)malloc (sizeof (krb5_address *) * (n_found+1));
- if (*addr == 0)
- mem_err++;
-
- if (mem_err) {
- for (i=0; i<n_found; i++) {
- krb5_xfree(addr_temp[i]);
- addr_temp[i] = 0;
- }
- return ENOMEM;
- }
-
- for (i=0; i<n_found; i++) {
- (*addr)[i] = addr_temp[i];
- }
- (*addr)[n_found] = 0;
- return 0;
-}
-
-#else /* Windows/Mac version */
-
-/*
- * Hold on to your lunch! Backup kludge method of obtaining your
- * local IP address, courtesy of Windows Socket Network Programming,
- * by Robert Quinn
- */
-#if defined(_MSDOS) || defined(_WIN32)
-static struct hostent *local_addr_fallback_kludge()
-{
- static struct hostent host;
- static SOCKADDR_IN addr;
- static char * ip_ptrs[2];
- SOCKET sock;
- int size = sizeof(SOCKADDR);
- int err;
-
- sock = socket(AF_INET, SOCK_DGRAM, 0);
- if (sock == INVALID_SOCKET)
- return NULL;
-
- /* connect to arbitrary port and address (NOT loopback) */
- addr.sin_family = AF_INET;
- addr.sin_port = htons(IPPORT_ECHO);
- addr.sin_addr.s_addr = inet_addr("204.137.220.51");
-
- err = connect(sock, (LPSOCKADDR) &addr, sizeof(SOCKADDR));
- if (err == SOCKET_ERROR)
- return NULL;
-
- err = getsockname(sock, (LPSOCKADDR) &addr, (int FAR *) size);
- if (err == SOCKET_ERROR)
- return NULL;
-
- closesocket(sock);
-
- host.h_name = 0;
- host.h_aliases = 0;
- host.h_addrtype = AF_INET;
- host.h_length = 4;
- host.h_addr_list = ip_ptrs;
- ip_ptrs[0] = (char *) &addr.sin_addr.s_addr;
- ip_ptrs[1] = NULL;
-
- return &host;
-}
-#endif
-
-/* No ioctls in winsock so we just assume there is only one networking
- * card per machine, so gethostent is good enough.
- */
-krb5_error_code
-krb5_crypto_os_localaddr (krb5_address ***addr) {
- char host[64]; /* Name of local machine */
- struct hostent *hostrec;
- int err;
-
- *addr = calloc (2, sizeof (krb5_address *));
- if (*addr == NULL)
- return ENOMEM;
-
-#ifdef HAVE_MACSOCK_H
- hostrec = getmyipaddr();
-#else /* HAVE_MACSOCK_H */
- err = 0;
-
- if (gethostname (host, sizeof(host))) {
- err = WSAGetLastError();
- }
-
- if (!err) {
- hostrec = gethostbyname (host);
- if (hostrec == NULL) {
- err = WSAGetLastError();
- }
- }
-
- if (err) {
- hostrec = local_addr_fallback_kludge();
- if (!hostrec)
- return err;
- }
-#endif /* HAVE_MACSOCK_H */
-
- (*addr)[0] = calloc (1, sizeof(krb5_address));
- if ((*addr)[0] == NULL) {
- free (*addr);
- return ENOMEM;
- }
- (*addr)[0]->magic = KV5M_ADDRESS;
- (*addr)[0]->addrtype = hostrec->h_addrtype;
- (*addr)[0]->length = hostrec->h_length;
- (*addr)[0]->contents = (unsigned char *)malloc((*addr)[0]->length);
- if (!(*addr)[0]->contents) {
- free((*addr)[0]);
- free(*addr);
- return ENOMEM;
- } else {
- memcpy ((*addr)[0]->contents,
- hostrec->h_addr,
- (*addr)[0]->length);
- }
- /* FIXME, deal with the case where gethostent returns multiple addrs */
-
- return(0);
-}
-#endif
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