krb5: Apply patches to build under FreeBSD

These patches fix the MIT KRB5 on FreeBSD. Some are obtained from
ports/security/krb5-121.

Sponsored by:	The FreeBSD Foundation

crypto/krb5/src/lib/krb5/ccache/t_stdio.c

@@ -27,6 +27,7 @@
 #include "scc.h"
 
 krb5_data client1 = {
+    0,
 #define DATA "client1-comp1"
     sizeof(DATA),
     DATA,
@@ -34,6 +35,7 @@ krb5_data client1 = {
 };
 
 krb5_data client2 = {
+    0,
 #define DATA "client1-comp2"
     sizeof(DATA),
     DATA,
@@ -41,6 +43,7 @@ krb5_data client2 = {
 };
 
 krb5_data server1 = {
+    0,
 #define DATA "server1-comp1"
     sizeof(DATA),
     DATA,
@@ -48,6 +51,7 @@ krb5_data server1 = {
 };
 
 krb5_data server2 = {
+    0,
 #define DATA "server1-comp2"
     sizeof(DATA),
     DATA,

crypto/krb5/src/lib/krb5/os/localaddr.c

@@ -176,6 +176,7 @@ printaddr(struct sockaddr *sa)
 }
 #endif
 
+#if 0
 static int
 is_loopback_address(struct sockaddr *sa)
 {
@@ -192,6 +193,7 @@ is_loopback_address(struct sockaddr *sa)
         return 0;
     }
 }
+#endif
 
 #ifdef HAVE_IFADDRS_H
 #include <ifaddrs.h>
@@ -449,12 +451,14 @@ foreach_localaddr (/*@null@*/ void *data,
             ifp->ifa_flags &= ~IFF_UP;
             continue;
         }
+#if 0
         if (is_loopback_address(ifp->ifa_addr)) {
             /* Pretend it's not up, so the second pass will skip
                it.  */
             ifp->ifa_flags &= ~IFF_UP;
             continue;
         }
+#endif
         /* If this address is a duplicate, punt.  */
         match = 0;
         for (ifp2 = ifp_head; ifp2 && ifp2 != ifp; ifp2 = ifp2->ifa_next) {
@@ -583,11 +587,13 @@ foreach_localaddr (/*@null@*/ void *data,
             }
             /*@=moduncon@*/
 
+#if 0
             /* None of the current callers want loopback addresses.  */
             if (is_loopback_address((struct sockaddr *)&lifr->lifr_addr)) {
                 Tprintf (("  loopback\n"));
                 goto skip;
             }
+#endif
             /* Ignore interfaces that are down.  */
             if ((lifreq.lifr_flags & IFF_UP) == 0) {
                 Tprintf (("  down\n"));
@@ -754,11 +760,13 @@ foreach_localaddr (/*@null@*/ void *data,
             }
             /*@=moduncon@*/
 
+#if 0
             /* None of the current callers want loopback addresses.  */
             if (is_loopback_address(&lifr->iflr_addr)) {
                 Tprintf (("  loopback\n"));
                 goto skip;
             }
+#endif
             /* Ignore interfaces that are down.  */
             if ((lifreq.iflr_flags & IFF_UP) == 0) {
                 Tprintf (("  down\n"));
@@ -972,11 +980,13 @@ foreach_localaddr (/*@null@*/ void *data,
         }
         /*@=moduncon@*/
 
+#if 0
         /* None of the current callers want loopback addresses.  */
         if (is_loopback_address(&ifreq.ifr_addr)) {
             Tprintf (("  loopback\n"));
             goto skip;
         }
+#endif
         /* Ignore interfaces that are down.  */
         if ((ifreq.ifr_flags & IFF_UP) == 0) {
             Tprintf (("  down\n"));

crypto/krb5/src/util/ss/listen.c

@@ -14,6 +14,9 @@
 #include <termios.h>
 #include <sys/param.h>
 
+#ifdef __FreeBSD__
+#include <edit/readline/readline.h>
+#else
 #if defined(HAVE_LIBEDIT)
 #include <editline/readline.h>
 #elif defined(HAVE_READLINE)
@@ -22,6 +25,7 @@
 #else
 #define NO_READLINE
 #endif
+#endif
 
 static ss_data *current_info;
 static jmp_buf listen_jmpb;

crypto/krb5/src/util/ss/ss_internal.h

@@ -85,7 +85,9 @@ typedef struct _ss_data {       /* init values */
 #define ss_current_request(sci_idx,code_ptr)            \
     (*code_ptr=0,ss_info(sci_idx)->current_request)
 void ss_unknown_function();
+#ifndef __FreeBSD__
 void ss_delete_info_dir();
+#endif
 char **ss_parse (int, char *, int *);
 ss_abbrev_info *ss_abbrev_initialize (char *, int *);
 void ss_page_stdin (void);