6 files changed, 427 insertions, 8 deletions

diff --git a/openbsd-compat/Makefile.in b/openbsd-compat/Makefile.in
index d65b77b5b..d22efd66c 100644
--- a/openbsd-compat/Makefile.in
+++ b/openbsd-compat/Makefile.in
@@ -1,4 +1,4 @@
-# $Id: Makefile.in,v 1.44 2010/01/15 01:38:30 dtucker Exp $
+# $Id: Makefile.in,v 1.45 2010/08/16 03:15:23 dtucker Exp $
 
 sysconfdir=@sysconfdir@
 piddir=@piddir@
@@ -16,7 +16,7 @@ RANLIB=@RANLIB@
 INSTALL=@INSTALL@
 LDFLAGS=-L. @LDFLAGS@
 
-OPENBSD=base64.o basename.o bindresvport.o daemon.o dirname.o fmt_scaled.o getcwd.o getgrouplist.o getopt.o getrrsetbyname.o glob.o inet_aton.o inet_ntoa.o inet_ntop.o mktemp.o pwcache.o readpassphrase.o realpath.o rresvport.o setenv.o setproctitle.o sha2.o sigact.o strlcat.o strlcpy.o strmode.o strsep.o strtonum.o strtoll.o strtoul.o vis.o
+OPENBSD=base64.o basename.o bindresvport.o daemon.o dirname.o fmt_scaled.o getcwd.o getgrouplist.o getopt.o getrrsetbyname.o glob.o inet_aton.o inet_ntoa.o inet_ntop.o mktemp.o pwcache.o readpassphrase.o realpath.o rresvport.o setenv.o setproctitle.o sha2.o sigact.o strlcat.o strlcpy.o strmode.o strptime.o strsep.o strtonum.o strtoll.o strtoul.o vis.o
 
 COMPAT=bsd-arc4random.o bsd-asprintf.o bsd-closefrom.o bsd-cray.o bsd-cygwin_util.o bsd-getpeereid.o bsd-misc.o bsd-nextstep.o bsd-openpty.o bsd-poll.o bsd-snprintf.o bsd-statvfs.o bsd-waitpid.o fake-rfc2553.o openssl-compat.o xmmap.o xcrypt.o
 
diff --git a/openbsd-compat/openbsd-compat.h b/openbsd-compat/openbsd-compat.h
index cad2408d6..e15d2bd96 100644
--- a/openbsd-compat/openbsd-compat.h
+++ b/openbsd-compat/openbsd-compat.h
@@ -1,4 +1,4 @@
-/* $Id: openbsd-compat.h,v 1.49 2010/01/16 12:58:37 dtucker Exp $ */
+/* $Id: openbsd-compat.h,v 1.50 2010/08/16 03:15:23 dtucker Exp $ */
 
 /*
  * Copyright (c) 1999-2003 Damien Miller.  All rights reserved.
@@ -87,6 +87,11 @@ int setenv(register const char *name, register const char *value, int rewrite);
 void strmode(int mode, char *p);
 #endif
 
+#ifndef HAVE_STRPTIME
+#include  <time.h>
+char *strptime(const char *buf, const char *fmt, struct tm *tm);
+#endif
+
 #if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP)
 int mkstemps(char *path, int slen);
 int mkstemp(char *path);
diff --git a/openbsd-compat/openssl-compat.h b/openbsd-compat/openssl-compat.h
index fcc762867..b7caa650c 100644
--- a/openbsd-compat/openssl-compat.h
+++ b/openbsd-compat/openssl-compat.h
@@ -1,4 +1,4 @@
-/* $Id: openssl-compat.h,v 1.14 2009/03/07 11:22:35 dtucker Exp $ */
+/* $Id: openssl-compat.h,v 1.15 2010/05/12 07:50:02 djm Exp $ */
 
 /*
  * Copyright (c) 2005 Darren Tucker <dtucker@zip.com.au>
@@ -18,6 +18,16 @@
 
 #include "includes.h"
 #include <openssl/evp.h>
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
+
+/* Only in 0.9.8 */
+#ifndef OPENSSL_DSA_MAX_MODULUS_BITS
+# define OPENSSL_DSA_MAX_MODULUS_BITS        10000
+#endif
+#ifndef OPENSSL_RSA_MAX_MODULUS_BITS
+# define OPENSSL_RSA_MAX_MODULUS_BITS        16384
+#endif
 
 /* OPENSSL_free() is Free() in versions before OpenSSL 0.9.6 */
 #if !defined(OPENSSL_VERSION_NUMBER) || (OPENSSL_VERSION_NUMBER < 0x0090600f)
@@ -97,3 +107,4 @@ int ssh_EVP_Cipher(EVP_CIPHER_CTX *, char *, char *, int);
 int ssh_EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *);
 void ssh_SSLeay_add_all_algorithms(void);
 #endif  /* SSH_DONT_OVERLOAD_OPENSSL_FUNCS */
+
diff --git a/openbsd-compat/port-tun.c b/openbsd-compat/port-tun.c
index ddc92d0f3..0d756f74f 100644
--- a/openbsd-compat/port-tun.c
+++ b/openbsd-compat/port-tun.c
@@ -173,9 +173,11 @@ sys_tun_open(int tun, int mode)
 
         if (ioctl(sock, SIOCGIFFLAGS, &ifr) == -1)
                 goto failed;
-        ifr.ifr_flags |= IFF_UP;
-        if (ioctl(sock, SIOCSIFFLAGS, &ifr) == -1)
-                goto failed;
+        if ((ifr.ifr_flags & IFF_UP) == 0) {
+                ifr.ifr_flags |= IFF_UP;
+                if (ioctl(sock, SIOCSIFFLAGS, &ifr) == -1)
+                        goto failed;
+        }
 
         close(sock);
         return (fd);
diff --git a/openbsd-compat/port-uw.c b/openbsd-compat/port-uw.c
index be9905a6a..b1fbfa208 100644
--- a/openbsd-compat/port-uw.c
+++ b/openbsd-compat/port-uw.c
@@ -39,10 +39,10 @@
 #include "xmalloc.h"
 #include "packet.h"
 #include "buffer.h"
+#include "key.h"
 #include "auth-options.h"
 #include "log.h"
 #include "servconf.h"
-#include "key.h"
 #include "hostfile.h"
 #include "auth.h"
 #include "ssh.h"
diff --git a/openbsd-compat/strptime.c b/openbsd-compat/strptime.c
new file mode 100644
index 000000000..d8d83d907
--- /dev/null
+++ b/openbsd-compat/strptime.c
@@ -0,0 +1,401 @@
+/*      $OpenBSD: strptime.c,v 1.12 2008/06/26 05:42:05 ray Exp $ */
+/*      $NetBSD: strptime.c,v 1.12 1998/01/20 21:39:40 mycroft Exp $    */
+
+/*-
+ * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code was contributed to The NetBSD Foundation by Klaus Klein.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* OPENBSD ORIGINAL: lib/libc/time/strptime.c */
+
+#include "includes.h"
+
+#ifndef HAVE_STRPTIME
+
+#define TM_YEAR_BASE 1900       /* from tzfile.h */
+
+#include <ctype.h>
+#include <locale.h>
+#include <string.h>
+#include <time.h>
+
+/* #define      _ctloc(x)               (_CurrentTimeLocale->x) */
+
+/*
+ * We do not implement alternate representations. However, we always
+ * check whether a given modifier is allowed for a certain conversion.
+ */
+#define _ALT_E                  0x01
+#define _ALT_O                  0x02
+#define _LEGAL_ALT(x)           { if (alt_format & ~(x)) return (0); }
+
+
+static  int _conv_num(const unsigned char **, int *, int, int);
+static  char *_strptime(const char *, const char *, struct tm *, int);
+
+
+char *
+strptime(const char *buf, const char *fmt, struct tm *tm)
+{
+        return(_strptime(buf, fmt, tm, 1));
+}
+
+static char *
+_strptime(const char *buf, const char *fmt, struct tm *tm, int initialize)
+{
+        unsigned char c;
+        const unsigned char *bp;
+        size_t len;
+        int alt_format, i;
+        static int century, relyear;
+
+        if (initialize) {
+                century = TM_YEAR_BASE;
+                relyear = -1;
+        }
+
+        bp = (unsigned char *)buf;
+        while ((c = *fmt) != '\0') {
+                /* Clear `alternate' modifier prior to new conversion. */
+                alt_format = 0;
+
+                /* Eat up white-space. */
+                if (isspace(c)) {
+                        while (isspace(*bp))
+                                bp++;
+
+                        fmt++;
+                        continue;
+                }
+                                
+                if ((c = *fmt++) != '%')
+                        goto literal;
+
+
+again:          switch (c = *fmt++) {
+                case '%':       /* "%%" is converted to "%". */
+literal:
+                if (c != *bp++)
+                        return (NULL);
+
+                break;
+
+                /*
+                 * "Alternative" modifiers. Just set the appropriate flag
+                 * and start over again.
+                 */
+                case 'E':       /* "%E?" alternative conversion modifier. */
+                        _LEGAL_ALT(0);
+                        alt_format |= _ALT_E;
+                        goto again;
+
+                case 'O':       /* "%O?" alternative conversion modifier. */
+                        _LEGAL_ALT(0);
+                        alt_format |= _ALT_O;
+                        goto again;
+                        
+                /*
+                 * "Complex" conversion rules, implemented through recursion.
+                 */
+#if 0
+                case 'c':       /* Date and time, using the locale's format. */
+                        _LEGAL_ALT(_ALT_E);
+                        if (!(bp = _strptime(bp, _ctloc(d_t_fmt), tm, 0)))
+                                return (NULL);
+                        break;
+#endif
+                case 'D':       /* The date as "%m/%d/%y". */
+                        _LEGAL_ALT(0);
+                        if (!(bp = _strptime(bp, "%m/%d/%y", tm, 0)))
+                                return (NULL);
+                        break;
+        
+                case 'R':       /* The time as "%H:%M". */
+                        _LEGAL_ALT(0);
+                        if (!(bp = _strptime(bp, "%H:%M", tm, 0)))
+                                return (NULL);
+                        break;
+
+                case 'r':       /* The time as "%I:%M:%S %p". */
+                        _LEGAL_ALT(0);
+                        if (!(bp = _strptime(bp, "%I:%M:%S %p", tm, 0)))
+                                return (NULL);
+                        break;
+
+                case 'T':       /* The time as "%H:%M:%S". */
+                        _LEGAL_ALT(0);
+                        if (!(bp = _strptime(bp, "%H:%M:%S", tm, 0)))
+                                return (NULL);
+                        break;
+#if 0
+                case 'X':       /* The time, using the locale's format. */
+                        _LEGAL_ALT(_ALT_E);
+                        if (!(bp = _strptime(bp, _ctloc(t_fmt), tm, 0)))
+                                return (NULL);
+                        break;
+
+                case 'x':       /* The date, using the locale's format. */
+                        _LEGAL_ALT(_ALT_E);
+                        if (!(bp = _strptime(bp, _ctloc(d_fmt), tm, 0)))
+                                return (NULL);
+                        break;
+#endif
+                /*
+                 * "Elementary" conversion rules.
+                 */
+#if 0
+                case 'A':       /* The day of week, using the locale's form. */
+                case 'a':
+                        _LEGAL_ALT(0);
+                        for (i = 0; i < 7; i++) {
+                                /* Full name. */
+                                len = strlen(_ctloc(day[i]));
+                                if (strncasecmp(_ctloc(day[i]), bp, len) == 0)
+                                        break;
+
+                                /* Abbreviated name. */
+                                len = strlen(_ctloc(abday[i]));
+                                if (strncasecmp(_ctloc(abday[i]), bp, len) == 0)
+                                        break;
+                        }
+
+                        /* Nothing matched. */
+                        if (i == 7)
+                                return (NULL);
+
+                        tm->tm_wday = i;
+                        bp += len;
+                        break;
+
+                case 'B':       /* The month, using the locale's form. */
+                case 'b':
+                case 'h':
+                        _LEGAL_ALT(0);
+                        for (i = 0; i < 12; i++) {
+                                /* Full name. */
+                                len = strlen(_ctloc(mon[i]));
+                                if (strncasecmp(_ctloc(mon[i]), bp, len) == 0)
+                                        break;
+
+                                /* Abbreviated name. */
+                                len = strlen(_ctloc(abmon[i]));
+                                if (strncasecmp(_ctloc(abmon[i]), bp, len) == 0)
+                                        break;
+                        }
+
+                        /* Nothing matched. */
+                        if (i == 12)
+                                return (NULL);
+
+                        tm->tm_mon = i;
+                        bp += len;
+                        break;
+#endif
+
+                case 'C':       /* The century number. */
+                        _LEGAL_ALT(_ALT_E);
+                        if (!(_conv_num(&bp, &i, 0, 99)))
+                                return (NULL);
+
+                        century = i * 100;
+                        break;
+
+                case 'd':       /* The day of month. */
+                case 'e':
+                        _LEGAL_ALT(_ALT_O);
+                        if (!(_conv_num(&bp, &tm->tm_mday, 1, 31)))
+                                return (NULL);
+                        break;
+
+                case 'k':       /* The hour (24-hour clock representation). */
+                        _LEGAL_ALT(0);
+                        /* FALLTHROUGH */
+                case 'H':
+                        _LEGAL_ALT(_ALT_O);
+                        if (!(_conv_num(&bp, &tm->tm_hour, 0, 23)))
+                                return (NULL);
+                        break;
+
+                case 'l':       /* The hour (12-hour clock representation). */
+                        _LEGAL_ALT(0);
+                        /* FALLTHROUGH */
+                case 'I':
+                        _LEGAL_ALT(_ALT_O);
+                        if (!(_conv_num(&bp, &tm->tm_hour, 1, 12)))
+                                return (NULL);
+                        break;
+
+                case 'j':       /* The day of year. */
+                        _LEGAL_ALT(0);
+                        if (!(_conv_num(&bp, &tm->tm_yday, 1, 366)))
+                                return (NULL);
+                        tm->tm_yday--;
+                        break;
+
+                case 'M':       /* The minute. */
+                        _LEGAL_ALT(_ALT_O);
+                        if (!(_conv_num(&bp, &tm->tm_min, 0, 59)))
+                                return (NULL);
+                        break;
+
+                case 'm':       /* The month. */
+                        _LEGAL_ALT(_ALT_O);
+                        if (!(_conv_num(&bp, &tm->tm_mon, 1, 12)))
+                                return (NULL);
+                        tm->tm_mon--;
+                        break;
+
+#if 0
+                case 'p':       /* The locale's equivalent of AM/PM. */
+                        _LEGAL_ALT(0);
+                        /* AM? */
+                        len = strlen(_ctloc(am_pm[0]));
+                        if (strncasecmp(_ctloc(am_pm[0]), bp, len) == 0) {
+                                if (tm->tm_hour > 12)   /* i.e., 13:00 AM ?! */
+                                        return (NULL);
+                                else if (tm->tm_hour == 12)
+                                        tm->tm_hour = 0;
+
+                                bp += len;
+                                break;
+                        }
+                        /* PM? */
+                        len = strlen(_ctloc(am_pm[1]));
+                        if (strncasecmp(_ctloc(am_pm[1]), bp, len) == 0) {
+                                if (tm->tm_hour > 12)   /* i.e., 13:00 PM ?! */
+                                        return (NULL);
+                                else if (tm->tm_hour < 12)
+                                        tm->tm_hour += 12;
+
+                                bp += len;
+                                break;
+                        }
+
+                        /* Nothing matched. */
+                        return (NULL);
+#endif
+                case 'S':       /* The seconds. */
+                        _LEGAL_ALT(_ALT_O);
+                        if (!(_conv_num(&bp, &tm->tm_sec, 0, 61)))
+                                return (NULL);
+                        break;
+
+                case 'U':       /* The week of year, beginning on sunday. */
+                case 'W':       /* The week of year, beginning on monday. */
+                        _LEGAL_ALT(_ALT_O);
+                        /*
+                         * XXX This is bogus, as we can not assume any valid
+                         * information present in the tm structure at this
+                         * point to calculate a real value, so just check the
+                         * range for now.
+                         */
+                         if (!(_conv_num(&bp, &i, 0, 53)))
+                                return (NULL);
+                         break;
+
+                case 'w':       /* The day of week, beginning on sunday. */
+                        _LEGAL_ALT(_ALT_O);
+                        if (!(_conv_num(&bp, &tm->tm_wday, 0, 6)))
+                                return (NULL);
+                        break;
+
+                case 'Y':       /* The year. */
+                        _LEGAL_ALT(_ALT_E);
+                        if (!(_conv_num(&bp, &i, 0, 9999)))
+                                return (NULL);
+
+                        relyear = -1;
+                        tm->tm_year = i - TM_YEAR_BASE;
+                        break;
+
+                case 'y':       /* The year within the century (2 digits). */
+                        _LEGAL_ALT(_ALT_E | _ALT_O);
+                        if (!(_conv_num(&bp, &relyear, 0, 99)))
+                                return (NULL);
+                        break;
+
+                /*
+                 * Miscellaneous conversions.
+                 */
+                case 'n':       /* Any kind of white-space. */
+                case 't':
+                        _LEGAL_ALT(0);
+                        while (isspace(*bp))
+                                bp++;
+                        break;
+
+
+                default:        /* Unknown/unsupported conversion. */
+                        return (NULL);
+                }
+
+
+        }
+
+        /*
+         * We need to evaluate the two digit year spec (%y)
+         * last as we can get a century spec (%C) at any time.
+         */
+        if (relyear != -1) {
+                if (century == TM_YEAR_BASE) {
+                        if (relyear <= 68)
+                                tm->tm_year = relyear + 2000 - TM_YEAR_BASE;
+                        else
+                                tm->tm_year = relyear + 1900 - TM_YEAR_BASE;
+                } else {
+                        tm->tm_year = relyear + century - TM_YEAR_BASE;
+                }
+        }
+
+        return ((char *)bp);
+}
+
+
+static int
+_conv_num(const unsigned char **buf, int *dest, int llim, int ulim)
+{
+        int result = 0;
+        int rulim = ulim;
+
+        if (**buf < '0' || **buf > '9')
+                return (0);
+
+        /* we use rulim to break out of the loop when we run out of digits */
+        do {
+                result *= 10;
+                result += *(*buf)++ - '0';
+                rulim /= 10;
+        } while ((result * 10 <= ulim) && rulim && **buf >= '0' && **buf <= '9');
+
+        if (result < llim || result > ulim)
+                return (0);
+
+        *dest = result;
+        return (1);
+}
+
+#endif /* HAVE_STRPTIME */
+