- (tim) [configure.in sshconnect.c openbsd-compat/Makefile.in

	 openbsd-compat/openbsd-compat.h ] Add inet_ntop.c inet_ntop.h back
	 in. Needed for sshconnect.c
	 [sshconnect.c] fix INET6_ADDRSTRLEN for non IPv6 machines
	 [configure.in] make tests with missing libraries fail
	 patch by Wendy Palm <wendyp@cray.com>
	 Added openbsd-compat/bsd-cray.h. Selective patches from
	 William L. Jones <jones@mail.utexas.edu>

5 files changed, 241 insertions, 3 deletions

diff --git a/openbsd-compat/Makefile.in b/openbsd-compat/Makefile.in
index 8ce35e531..c6b3c959e 100644
--- a/openbsd-compat/Makefile.in
+++ b/openbsd-compat/Makefile.in
@@ -1,4 +1,4 @@
-# $Id: Makefile.in,v 1.17 2001/07/22 19:32:01 mouring Exp $
+# $Id: Makefile.in,v 1.18 2001/08/07 22:29:09 tim Exp $
 
 sysconfdir=@sysconfdir@
 piddir=@piddir@
@@ -16,7 +16,7 @@ RANLIB=@RANLIB@
 INSTALL=@INSTALL@
 LDFLAGS=-L. @LDFLAGS@
 
-OPENBSD=base64.o bindresvport.o daemon.o dirname.o getcwd.o getgrouplist.o getopt.o glob.o inet_aton.o inet_ntoa.o mktemp.o readpassphrase.o realpath.o rresvport.o setenv.o setproctitle.o sigact.o strlcat.o strlcpy.o strmode.o strsep.o vis.o
+OPENBSD=base64.o bindresvport.o daemon.o dirname.o getcwd.o getgrouplist.o getopt.o glob.o inet_aton.o inet_ntoa.o inet_ntop.o mktemp.o readpassphrase.o realpath.o rresvport.o setenv.o setproctitle.o sigact.o strlcat.o strlcpy.o strmode.o strsep.o vis.o
 
 COMPAT=bsd-arc4random.o bsd-cray.o bsd-cygwin_util.o bsd-misc.o bsd-nextstep.o bsd-snprintf.o bsd-waitpid.o fake-getaddrinfo.o fake-getnameinfo.o
 
diff --git a/openbsd-compat/bsd-cray.h b/openbsd-compat/bsd-cray.h
new file mode 100644
index 000000000..4ca2dbe51
--- /dev/null
+++ b/openbsd-compat/bsd-cray.h
@@ -0,0 +1,13 @@
+
+#ifndef _BSD_CRAY_H
+#define _BSD_CRAY_H
+
+#ifdef _CRAY
+void    cray_init_job(struct passwd *);         /* init cray job */
+void    cray_job_termination_handler(int);      /* process end of job signal */
+void    cray_setup(uid_t, char *);              /* set cray limits */
+extern  char   cray_tmpdir[];                   /* cray tmpdir */
+#endif
+
+
+#endif /* _BSD_CRAY_H */
diff --git a/openbsd-compat/inet_ntop.c b/openbsd-compat/inet_ntop.c
new file mode 100644
index 000000000..bf3d97ade
--- /dev/null
+++ b/openbsd-compat/inet_ntop.c
@@ -0,0 +1,211 @@
+/*      $OpenBSD: inet_ntop.c,v 1.1 1997/03/13 19:07:32 downsj Exp $    */
+
+/* Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#include "config.h"
+
+#ifndef HAVE_INET_NTOP
+
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+static char rcsid[] = "$From: inet_ntop.c,v 8.7 1996/08/05 08:41:18 vixie Exp $";
+#else
+static char rcsid[] = "$OpenBSD: inet_ntop.c,v 1.1 1997/03/13 19:07:32 downsj Exp $";
+#endif
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include "openbsd-compat/fake-socket.h"
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#ifndef HAVE_CYGWIN
+#include <arpa/nameser.h>
+#endif
+#include <string.h>
+#include <errno.h>
+#include <stdio.h>
+
+#ifndef IN6ADDRSZ
+#define IN6ADDRSZ   16   /* IPv6 T_AAAA */                 
+#endif
+
+#ifndef INT16SZ
+#define INT16SZ     2    /* for systems without 16-bit ints */
+#endif
+
+/*
+ * WARNING: Don't even consider trying to compile this on a system where
+ * sizeof(int) < 4.  sizeof(int) > 4 is fine; all the world's not a VAX.
+ */
+
+static const char *inet_ntop4 __P((const u_char *src, char *dst, size_t size));
+static const char *inet_ntop6 __P((const u_char *src, char *dst, size_t size));
+
+/* char *
+ * inet_ntop(af, src, dst, size)
+ *      convert a network format address to presentation format.
+ * return:
+ *      pointer to presentation format address (`dst'), or NULL (see errno).
+ * author:
+ *      Paul Vixie, 1996.
+ */
+const char *
+inet_ntop(af, src, dst, size)
+        int af;
+        const void *src;
+        char *dst;
+        size_t size;
+{
+        switch (af) {
+        case AF_INET:
+                return (inet_ntop4(src, dst, size));
+        case AF_INET6:
+                return (inet_ntop6(src, dst, size));
+        default:
+                errno = EAFNOSUPPORT;
+                return (NULL);
+        }
+        /* NOTREACHED */
+}
+
+/* const char *
+ * inet_ntop4(src, dst, size)
+ *      format an IPv4 address, more or less like inet_ntoa()
+ * return:
+ *      `dst' (as a const)
+ * notes:
+ *      (1) uses no statics
+ *      (2) takes a u_char* not an in_addr as input
+ * author:
+ *      Paul Vixie, 1996.
+ */
+static const char *
+inet_ntop4(src, dst, size)
+        const u_char *src;
+        char *dst;
+        size_t size;
+{
+        static const char fmt[] = "%u.%u.%u.%u";
+        char tmp[sizeof "255.255.255.255"];
+
+        if (sprintf(tmp, fmt, src[0], src[1], src[2], src[3]) > size) {
+                errno = ENOSPC;
+                return (NULL);
+        }
+        strcpy(dst, tmp);
+        return (dst);
+}
+
+/* const char *
+ * inet_ntop6(src, dst, size)
+ *      convert IPv6 binary address into presentation (printable) format
+ * author:
+ *      Paul Vixie, 1996.
+ */
+static const char *
+inet_ntop6(src, dst, size)
+        const u_char *src;
+        char *dst;
+        size_t size;
+{
+        /*
+         * Note that int32_t and int16_t need only be "at least" large enough
+         * to contain a value of the specified size.  On some systems, like
+         * Crays, there is no such thing as an integer variable with 16 bits.
+         * Keep this in mind if you think this function should have been coded
+         * to use pointer overlays.  All the world's not a VAX.
+         */
+        char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"], *tp;
+        struct { int base, len; } best, cur;
+        u_int words[IN6ADDRSZ / INT16SZ];
+        int i;
+
+        /*
+         * Preprocess:
+         *      Copy the input (bytewise) array into a wordwise array.
+         *      Find the longest run of 0x00's in src[] for :: shorthanding.
+         */
+        memset(words, '\0', sizeof words);
+        for (i = 0; i < IN6ADDRSZ; i++)
+                words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3));
+        best.base = -1;
+        cur.base = -1;
+        for (i = 0; i < (IN6ADDRSZ / INT16SZ); i++) {
+                if (words[i] == 0) {
+                        if (cur.base == -1)
+                                cur.base = i, cur.len = 1;
+                        else
+                                cur.len++;
+                } else {
+                        if (cur.base != -1) {
+                                if (best.base == -1 || cur.len > best.len)
+                                        best = cur;
+                                cur.base = -1;
+                        }
+                }
+        }
+        if (cur.base != -1) {
+                if (best.base == -1 || cur.len > best.len)
+                        best = cur;
+        }
+        if (best.base != -1 && best.len < 2)
+                best.base = -1;
+
+        /*
+         * Format the result.
+         */
+        tp = tmp;
+        for (i = 0; i < (IN6ADDRSZ / INT16SZ); i++) {
+                /* Are we inside the best run of 0x00's? */
+                if (best.base != -1 && i >= best.base &&
+                    i < (best.base + best.len)) {
+                        if (i == best.base)
+                                *tp++ = ':';
+                        continue;
+                }
+                /* Are we following an initial run of 0x00s or any real hex? */
+                if (i != 0)
+                        *tp++ = ':';
+                /* Is this address an encapsulated IPv4? */
+                if (i == 6 && best.base == 0 &&
+                    (best.len == 6 || (best.len == 5 && words[5] == 0xffff))) {
+                        if (!inet_ntop4(src+12, tp, sizeof tmp - (tp - tmp)))
+                                return (NULL);
+                        tp += strlen(tp);
+                        break;
+                }
+                tp += sprintf(tp, "%x", words[i]);
+        }
+        /* Was it a trailing run of 0x00's? */
+        if (best.base != -1 && (best.base + best.len) == (IN6ADDRSZ / INT16SZ))
+                *tp++ = ':';
+        *tp++ = '\0';
+
+        /*
+         * Check for overflow, copy, and we're done.
+         */
+        if ((size_t)(tp - tmp) > size) {
+                errno = ENOSPC;
+                return (NULL);
+        }
+        strcpy(dst, tmp);
+        return (dst);
+}
+
+#endif /* !HAVE_INET_NTOP */
diff --git a/openbsd-compat/inet_ntop.h b/openbsd-compat/inet_ntop.h
new file mode 100644
index 000000000..ab0f14835
--- /dev/null
+++ b/openbsd-compat/inet_ntop.h
@@ -0,0 +1,13 @@
+/* $Id: inet_ntop.h,v 1.3 2001/08/07 22:29:10 tim Exp $ */
+
+#ifndef _BSD_RRESVPORT_H
+#define _BSD_RRESVPORT_H
+
+#include "config.h"
+
+#ifndef HAVE_INET_NTOP
+const char *                 
+inet_ntop(int af, const void *src, char *dst, size_t size);
+#endif /* !HAVE_INET_NTOP */
+
+#endif /* _BSD_RRESVPORT_H */
diff --git a/openbsd-compat/openbsd-compat.h b/openbsd-compat/openbsd-compat.h
index ab07315b6..eba9ca051 100644
--- a/openbsd-compat/openbsd-compat.h
+++ b/openbsd-compat/openbsd-compat.h
@@ -1,4 +1,4 @@
-/* $Id: openbsd-compat.h,v 1.12 2001/08/06 23:29:18 mouring Exp $ */
+/* $Id: openbsd-compat.h,v 1.13 2001/08/07 22:29:09 tim Exp $ */
 
 #ifndef _OPENBSD_H
 #define _OPENBSD_H
@@ -19,6 +19,7 @@
 #include "base64.h"
 #include "sigact.h"
 #include "inet_ntoa.h"
+#include "inet_ntop.h"
 #include "strsep.h"
 #include "vis.h"
 #include "setproctitle.h"