1*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 2*7c478bd9Sstevel@tonic-gate /* 3*7c478bd9Sstevel@tonic-gate * kdc/sock2p.c 4*7c478bd9Sstevel@tonic-gate * 5*7c478bd9Sstevel@tonic-gate * Copyright 2000 by the Massachusetts Institute of Technology. 6*7c478bd9Sstevel@tonic-gate * 7*7c478bd9Sstevel@tonic-gate * Export of this software from the United States of America may 8*7c478bd9Sstevel@tonic-gate * require a specific license from the United States Government. 9*7c478bd9Sstevel@tonic-gate * It is the responsibility of any person or organization contemplating 10*7c478bd9Sstevel@tonic-gate * export to obtain such a license before exporting. 11*7c478bd9Sstevel@tonic-gate * 12*7c478bd9Sstevel@tonic-gate * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 13*7c478bd9Sstevel@tonic-gate * distribute this software and its documentation for any purpose and 14*7c478bd9Sstevel@tonic-gate * without fee is hereby granted, provided that the above copyright 15*7c478bd9Sstevel@tonic-gate * notice appear in all copies and that both that copyright notice and 16*7c478bd9Sstevel@tonic-gate * this permission notice appear in supporting documentation, and that 17*7c478bd9Sstevel@tonic-gate * the name of M.I.T. not be used in advertising or publicity pertaining 18*7c478bd9Sstevel@tonic-gate * to distribution of the software without specific, written prior 19*7c478bd9Sstevel@tonic-gate * permission. Furthermore if you modify this software you must label 20*7c478bd9Sstevel@tonic-gate * your software as modified software and not distribute it in such a 21*7c478bd9Sstevel@tonic-gate * fashion that it might be confused with the original M.I.T. software. 22*7c478bd9Sstevel@tonic-gate * M.I.T. makes no representations about the suitability of 23*7c478bd9Sstevel@tonic-gate * this software for any purpose. It is provided "as is" without express 24*7c478bd9Sstevel@tonic-gate * or implied warranty. 25*7c478bd9Sstevel@tonic-gate * 26*7c478bd9Sstevel@tonic-gate * 27*7c478bd9Sstevel@tonic-gate * Network code for Kerberos v5 KDC. 28*7c478bd9Sstevel@tonic-gate */ 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate #define NEED_SOCKETS 31*7c478bd9Sstevel@tonic-gate #include "k5-int.h" 32*7c478bd9Sstevel@tonic-gate #ifdef HAVE_NETINET_IN_H 33*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 34*7c478bd9Sstevel@tonic-gate #include <netinet/in.h> 35*7c478bd9Sstevel@tonic-gate #include <sys/socket.h> 36*7c478bd9Sstevel@tonic-gate 37*7c478bd9Sstevel@tonic-gate #ifndef HAVE_INET_NTOP 38*7c478bd9Sstevel@tonic-gate char * 39*7c478bd9Sstevel@tonic-gate inet_ntop (int family, const void *address, char *buf, size_t bufsiz) 40*7c478bd9Sstevel@tonic-gate { 41*7c478bd9Sstevel@tonic-gate char *p; 42*7c478bd9Sstevel@tonic-gate switch (family) { 43*7c478bd9Sstevel@tonic-gate case AF_INET: 44*7c478bd9Sstevel@tonic-gate { 45*7c478bd9Sstevel@tonic-gate p = inet_ntoa (*(const struct in_addr *)address); 46*7c478bd9Sstevel@tonic-gate try: 47*7c478bd9Sstevel@tonic-gate if (strlen (p) >= bufsiz) 48*7c478bd9Sstevel@tonic-gate return 0; 49*7c478bd9Sstevel@tonic-gate strcpy (buf, p); 50*7c478bd9Sstevel@tonic-gate break; 51*7c478bd9Sstevel@tonic-gate } 52*7c478bd9Sstevel@tonic-gate #ifdef KRB5_USE_INET6 53*7c478bd9Sstevel@tonic-gate case AF_INET6: 54*7c478bd9Sstevel@tonic-gate { 55*7c478bd9Sstevel@tonic-gate char abuf[46]; 56*7c478bd9Sstevel@tonic-gate const unsigned char *byte = (const unsigned char *) 57*7c478bd9Sstevel@tonic-gate &((const struct in6_addr *)address)->s6_addr; 58*7c478bd9Sstevel@tonic-gate sprintf (abuf, "%x:%x:%x:%x:%x:%x:%x:%x", 59*7c478bd9Sstevel@tonic-gate byte[0] * 256 + byte[1], 60*7c478bd9Sstevel@tonic-gate byte[2] * 256 + byte[3], 61*7c478bd9Sstevel@tonic-gate byte[4] * 256 + byte[5], 62*7c478bd9Sstevel@tonic-gate byte[6] * 256 + byte[7], 63*7c478bd9Sstevel@tonic-gate byte[8] * 256 + byte[9], 64*7c478bd9Sstevel@tonic-gate byte[10] * 256 + byte[11], 65*7c478bd9Sstevel@tonic-gate byte[12] * 256 + byte[13], 66*7c478bd9Sstevel@tonic-gate byte[14] * 256 + byte[15]); 67*7c478bd9Sstevel@tonic-gate p = abuf; 68*7c478bd9Sstevel@tonic-gate goto try; 69*7c478bd9Sstevel@tonic-gate } 70*7c478bd9Sstevel@tonic-gate #endif /* KRB5_USE_INET6 */ 71*7c478bd9Sstevel@tonic-gate default: 72*7c478bd9Sstevel@tonic-gate return 0; 73*7c478bd9Sstevel@tonic-gate } 74*7c478bd9Sstevel@tonic-gate return buf; 75*7c478bd9Sstevel@tonic-gate } 76*7c478bd9Sstevel@tonic-gate #endif 77*7c478bd9Sstevel@tonic-gate 78*7c478bd9Sstevel@tonic-gate void 79*7c478bd9Sstevel@tonic-gate sockaddr2p (const struct sockaddr *s, char *buf, size_t bufsiz, int *port_p) 80*7c478bd9Sstevel@tonic-gate { 81*7c478bd9Sstevel@tonic-gate const void *addr; 82*7c478bd9Sstevel@tonic-gate int port; 83*7c478bd9Sstevel@tonic-gate switch (s->sa_family) { 84*7c478bd9Sstevel@tonic-gate case AF_INET: 85*7c478bd9Sstevel@tonic-gate addr = &((const struct sockaddr_in *)s)->sin_addr; 86*7c478bd9Sstevel@tonic-gate port = ((const struct sockaddr_in *)s)->sin_port; 87*7c478bd9Sstevel@tonic-gate break; 88*7c478bd9Sstevel@tonic-gate #ifdef KRB5_USE_INET6 89*7c478bd9Sstevel@tonic-gate case AF_INET6: 90*7c478bd9Sstevel@tonic-gate addr = &((const struct sockaddr_in6 *)s)->sin6_addr; 91*7c478bd9Sstevel@tonic-gate port = ((const struct sockaddr_in6 *)s)->sin6_port; 92*7c478bd9Sstevel@tonic-gate break; 93*7c478bd9Sstevel@tonic-gate #endif 94*7c478bd9Sstevel@tonic-gate default: 95*7c478bd9Sstevel@tonic-gate if (bufsiz >= 2) 96*7c478bd9Sstevel@tonic-gate strcpy (buf, "?"); 97*7c478bd9Sstevel@tonic-gate if (port_p) 98*7c478bd9Sstevel@tonic-gate *port_p = -1; 99*7c478bd9Sstevel@tonic-gate return; 100*7c478bd9Sstevel@tonic-gate } 101*7c478bd9Sstevel@tonic-gate if (inet_ntop (s->sa_family, addr, buf, bufsiz) == 0 && bufsiz >= 2) 102*7c478bd9Sstevel@tonic-gate strcpy (buf, "?"); 103*7c478bd9Sstevel@tonic-gate if (port_p) 104*7c478bd9Sstevel@tonic-gate *port_p = port; 105*7c478bd9Sstevel@tonic-gate } 106*7c478bd9Sstevel@tonic-gate 107*7c478bd9Sstevel@tonic-gate #endif /* INET */ 108