4 files changed, 157 insertions, 56 deletions

diff --git a/crypto/compat/getdelim.c b/crypto/compat/getdelim.c
new file mode 100644
index 0000000..caec3f2
--- /dev/null
+++ b/crypto/compat/getdelim.c
@@ -0,0 +1,78 @@
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Christos Zoulas.
+ *
+ * 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifndef HAVE_GETDELIM
+
+ssize_t
+getdelim(char **buf, size_t *bufsiz, int delimiter, FILE *fp)
+{
+        char *ptr, *eptr;
+
+
+        if (*buf == NULL || *bufsiz == 0) {
+                *bufsiz = BUFSIZ;
+                if ((*buf = malloc(*bufsiz)) == NULL)
+                        return -1;
+        }
+
+        for (ptr = *buf, eptr = *buf + *bufsiz;;) {
+                int c = fgetc(fp);
+                if (c == -1) {
+                        if (feof(fp)) {
+                                ssize_t diff = (ssize_t)(ptr - *buf);
+                                if (diff != 0) {
+                                        *ptr = '\0';
+                                        return diff;
+                                }
+                        }
+                        return -1;
+                }
+                *ptr++ = c;
+                if (c == delimiter) {
+                        *ptr = '\0';
+                        return ptr - *buf;
+                }
+                if (ptr + 2 >= eptr) {
+                        char *nbuf;
+                        size_t nbufsiz = *bufsiz * 2;
+                        ssize_t d = ptr - *buf;
+                        if ((nbuf = realloc(*buf, nbufsiz)) == NULL)
+                                return -1;
+                        *buf = nbuf;
+                        *bufsiz = nbufsiz;
+                        eptr = nbuf + nbufsiz;
+                        ptr = nbuf + d;
+                }
+        }
+}
+
+#endif /* HAVE_GETDELIM */
diff --git a/crypto/compat/getline.c b/crypto/compat/getline.c
new file mode 100644
index 0000000..e6ecde0
--- /dev/null
+++ b/crypto/compat/getline.c
@@ -0,0 +1,40 @@
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Christos Zoulas.
+ *
+ * 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.
+ */
+
+#include <stdio.h>
+
+#ifndef HAVE_GETLINE
+
+ssize_t
+getline(char **buf, size_t *bufsiz, FILE *fp)
+{
+        return getdelim(buf, bufsiz, '\n', fp);
+}
+
+#endif /* HAVE_GETLINE */
diff --git a/crypto/compat/posix_win.c b/crypto/compat/posix_win.c
index bb3e653..572e527 100644
--- a/crypto/compat/posix_win.c
+++ b/crypto/compat/posix_win.c
@@ -9,6 +9,8 @@
 
 #define NO_REDEF_POSIX_FUNCTIONS
 
+#include <sys/time.h>
+
 #include <ws2tcpip.h>
 #include <windows.h>
 
@@ -20,6 +22,25 @@
 #include <string.h>
 #include <unistd.h>
 
+#include <sys/stat.h>
+
+static int
+is_socket(int fd)
+{
+        // Border case: Don't break std* file descriptors
+        if (fd < 3)
+                return 0;
+
+        // All locally-allocated file descriptors will have the high bit set
+        return (fd & 0x80000000) == 0;
+}
+
+static int
+get_real_fd(int fd)
+{
+        return (fd & 0x7fffffff);
+}
+
 void
 posix_perror(const char *s)
 {
@@ -42,6 +63,12 @@ posix_fopen(const char *path, const char *mode)
 }
 
 int
+libressl_fstat(int fd, struct stat *statbuf)
+{
+        return fstat(get_real_fd(fd), statbuf);
+}
+
+int
 posix_open(const char *path, ...)
 {
         va_list ap;
@@ -60,7 +87,11 @@ posix_open(const char *path, ...)
                 flags |= O_NOINHERIT;
         }
         flags &= ~O_NONBLOCK;
-        return open(path, flags, mode);
+
+        const int fh = open(path, flags, mode);
+
+        // Set high bit to mark file descriptor as a file handle
+        return fh + 0x80000000;
 }
 
 char *
@@ -148,52 +179,6 @@ wsa_errno(int err)
         return -1;
 }
 
-/*
- * Employ a similar trick to cpython (pycore_fileutils.h) where the CRT report
- * handler is disabled while checking if a descriptor is a socket or a file
- */
-#if defined _MSC_VER && _MSC_VER >= 1900
-
-#include <crtdbg.h>
-#include <stdlib.h>
-
-static void noop_handler(const wchar_t *expression,     const wchar_t *function,
-    const wchar_t *file, unsigned int line, uintptr_t pReserved)
-{
-        return;
-}
-
-#define BEGIN_SUPPRESS_IPH \
-        const int old_report_mode = _CrtSetReportMode(_CRT_ASSERT, 0); \
-        const _invalid_parameter_handler old_handler = _set_thread_local_invalid_parameter_handler(noop_handler)
-#define END_SUPPRESS_IPH \
-        (void)old_report_mode; /* Silence warning in release mode when _CrtSetReportMode compiles to void. */ \
-        _CrtSetReportMode(_CRT_ASSERT, old_report_mode); \
-        _set_thread_local_invalid_parameter_handler(old_handler)
-
-#else
-
-#define BEGIN_SUPPRESS_IPH
-#define END_SUPPRESS_IPH
-
-#endif
-
-static int
-is_socket(int fd)
-{
-        intptr_t hd;
-
-        BEGIN_SUPPRESS_IPH;
-        hd = _get_osfhandle(fd);
-        END_SUPPRESS_IPH;
-
-        if (hd == (intptr_t)INVALID_HANDLE_VALUE) {
-                return 1; /* fd is not file descriptor */
-        }
-
-        return 0;
-}
-
 int
 posix_connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen)
 {
@@ -207,14 +192,13 @@ int
 posix_close(int fd)
 {
         int rc;
-
         if (is_socket(fd)) {
                 if ((rc = closesocket(fd)) == SOCKET_ERROR) {
                         int err = WSAGetLastError();
                         rc = wsa_errno(err);
                 }
         } else {
-                rc = close(fd);
+                rc = close(get_real_fd(fd));
         }
         return rc;
 }
@@ -223,14 +207,13 @@ ssize_t
 posix_read(int fd, void *buf, size_t count)
 {
         ssize_t rc;
-
         if (is_socket(fd)) {
                 if ((rc = recv(fd, buf, count, 0)) == SOCKET_ERROR) {
                         int err = WSAGetLastError();
                         rc = wsa_errno(err);
                 }
         } else {
-                rc = read(fd, buf, count);
+                rc = read(get_real_fd(fd), buf, count);
         }
         return rc;
 }
@@ -244,7 +227,7 @@ posix_write(int fd, const void *buf, size_t count)
                         rc = wsa_errno(WSAGetLastError());
                 }
         } else {
-                rc = write(fd, buf, count);
+                rc = write(get_real_fd(fd), buf, count);
         }
         return rc;
 }
@@ -289,7 +272,7 @@ uid_t getuid(void)
 
 #ifdef _MSC_VER
 struct timezone;
-int gettimeofday(struct timeval * tp, struct timezone * tzp)
+int gettimeofday(struct timeval *tp, void *tzp)
 {
         /*
          * Note: some broken versions only have 8 trailing zero's, the correct
@@ -306,7 +289,7 @@ int gettimeofday(struct timeval * tp, struct timezone * tzp)
         time = ((uint64_t)file_time.dwLowDateTime);
         time += ((uint64_t)file_time.dwHighDateTime) << 32;
 
-        tp->tv_sec = (long)((time - EPOCH) / 10000000L);
+        tp->tv_sec = (long long)((time - EPOCH) / 10000000L);
         tp->tv_usec = (long)(system_time.wMilliseconds * 1000);
         return 0;
 }
diff --git a/crypto/compat/ui_openssl_win.c b/crypto/compat/ui_openssl_win.c
index 09705e4..4ae2c5d 100644
--- a/crypto/compat/ui_openssl_win.c
+++ b/crypto/compat/ui_openssl_win.c
@@ -146,7 +146,7 @@ static int echo_console(UI *ui);
 static int noecho_console(UI *ui);
 static int close_console(UI *ui);
 
-static UI_METHOD ui_openssl = {
+static const UI_METHOD ui_openssl = {
         .name = "OpenSSL default user interface",
         .ui_open_session = open_console,
         .ui_write_string = write_string,
@@ -155,7 +155,7 @@ static UI_METHOD ui_openssl = {
 };
 
 /* The method with all the built-in thingies */
-UI_METHOD *
+const UI_METHOD *
 UI_OpenSSL(void)
 {
         return &ui_openssl;