X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/34292b1daab0fcd6ce02627497117d01aaa39a19..1172a92b4a579b7d637550b68082b8245dec26c4:/windows/winsftp.c

diff --git a/windows/winsftp.c b/windows/winsftp.c
index 21188978..33acaf62 100644
--- a/windows/winsftp.c
+++ b/windows/winsftp.c
@@ -6,6 +6,7 @@
 
 #include "putty.h"
 #include "psftp.h"
+#include "ssh.h"
 #include "int64.h"
 
 char *get_ttymode(void *frontend, const char *mode) { return NULL; }
@@ -19,6 +20,12 @@ int get_userpass_input(prompts_t *p, unsigned char *in, int inlen)
     return ret;
 }
 
+void platform_get_x11_auth(struct X11Display *display, Conf *conf)
+{
+    /* Do nothing, therefore no auth. */
+}
+const int platform_uses_x11_unix_by_default = TRUE;
+
 /* ----------------------------------------------------------------------
  * File access abstraction.
  */
@@ -62,17 +69,27 @@ char *psftp_getcwd(void)
     return ret;
 }
 
-#define TIME_POSIX_TO_WIN(t, ft) (*(LONGLONG*)&(ft) = \
-	((LONGLONG) (t) + (LONGLONG) 11644473600) * (LONGLONG) 10000000)
-#define TIME_WIN_TO_POSIX(ft, t) ((t) = (unsigned long) \
-	((*(LONGLONG*)&(ft)) / (LONGLONG) 10000000 - (LONGLONG) 11644473600))
+#define TIME_POSIX_TO_WIN(t, ft) do { \
+    ULARGE_INTEGER uli; \
+    uli.QuadPart = ((ULONGLONG)(t) + 11644473600ull) * 10000000ull; \
+    (ft).dwLowDateTime  = uli.LowPart; \
+    (ft).dwHighDateTime = uli.HighPart; \
+} while(0)
+#define TIME_WIN_TO_POSIX(ft, t) do { \
+    ULARGE_INTEGER uli; \
+    uli.LowPart  = (ft).dwLowDateTime; \
+    uli.HighPart = (ft).dwHighDateTime; \
+    uli.QuadPart = uli.QuadPart / 10000000ull - 11644473600ull; \
+    (t) = (unsigned long) uli.QuadPart; \
+} while(0)
 
 struct RFile {
     HANDLE h;
 };
 
 RFile *open_existing_file(char *name, uint64 *size,
-			  unsigned long *mtime, unsigned long *atime)
+			  unsigned long *mtime, unsigned long *atime,
+                          long *perms)
 {
     HANDLE h;
     RFile *ret;
@@ -97,12 +114,16 @@ RFile *open_existing_file(char *name, uint64 *size,
 	    TIME_WIN_TO_POSIX(wrtime, *mtime);
     }
 
+    if (perms)
+        *perms = -1;
+
     return ret;
 }
 
 int read_from_file(RFile *f, void *buffer, int length)
 {
-    int ret, read;
+    int ret;
+    DWORD read;
     ret = ReadFile(f->h, buffer, length, &read, NULL);
     if (!ret)
 	return -1;		       /* error */
@@ -120,7 +141,7 @@ struct WFile {
     HANDLE h;
 };
 
-WFile *open_new_file(char *name)
+WFile *open_new_file(char *name, long perms)
 {
     HANDLE h;
     WFile *ret;
@@ -157,7 +178,8 @@ WFile *open_existing_wfile(char *name, uint64 *size)
 
 int write_to_file(WFile *f, void *buffer, int length)
 {
-    int ret, written;
+    int ret;
+    DWORD written;
     ret = WriteFile(f->h, buffer, length, &written, NULL);
     if (!ret)
 	return -1;		       /* error */
@@ -431,7 +453,7 @@ char *dir_file_cat(char *dir, char *file)
  * Be told what socket we're supposed to be using.
  */
 static SOCKET sftp_ssh_socket = INVALID_SOCKET;
-static HANDLE netevent = NULL;
+static HANDLE netevent = INVALID_HANDLE_VALUE;
 char *do_select(SOCKET skt, int startup)
 {
     int events;
@@ -463,38 +485,43 @@ extern int select_result(WPARAM, LPARAM);
 
 int do_eventsel_loop(HANDLE other_event)
 {
-    int n, nhandles, nallhandles;
-    long next, ticks;
+    int n, nhandles, nallhandles, netindex, otherindex;
+    unsigned long next, then;
+    long ticks;
     HANDLE *handles;
     SOCKET *sklist;
     int skcount;
-    long now = GETTICKCOUNT();
+    unsigned long now = GETTICKCOUNT();
 
-    if (!netevent) {
-	return -1;		       /* doom */
+    if (run_timers(now, &next)) {
+	then = now;
+	now = GETTICKCOUNT();
+	if (now - then > next - then)
+	    ticks = 0;
+	else
+	    ticks = next - now;
+    } else {
+	ticks = INFINITE;
     }
 
     handles = handle_get_events(&nhandles);
     handles = sresize(handles, nhandles+2, HANDLE);
     nallhandles = nhandles;
 
-    handles[nallhandles++] = netevent;
-    if (other_event)
-	handles[nallhandles++] = other_event;
-
-    if (run_timers(now, &next)) {
-	ticks = next - GETTICKCOUNT();
-	if (ticks < 0) ticks = 0;  /* just in case */
-    } else {
-	ticks = INFINITE;
-    }
+    if (netevent != INVALID_HANDLE_VALUE)
+	handles[netindex = nallhandles++] = netevent;
+    else
+	netindex = -1;
+    if (other_event != INVALID_HANDLE_VALUE)
+	handles[otherindex = nallhandles++] = other_event;
+    else
+	otherindex = -1;
 
-    n = MsgWaitForMultipleObjects(nallhandles, handles, FALSE, ticks,
-				  QS_POSTMESSAGE);
+    n = WaitForMultipleObjects(nallhandles, handles, FALSE, ticks);
 
     if ((unsigned)(n - WAIT_OBJECT_0) < (unsigned)nhandles) {
 	handle_got_event(handles[n - WAIT_OBJECT_0]);
-    } else if (n == WAIT_OBJECT_0 + nhandles) {
+    } else if (netindex >= 0 && n == WAIT_OBJECT_0 + netindex) {
 	WSANETWORKEVENTS things;
 	SOCKET socket;
 	extern SOCKET first_socket(int *), next_socket(int *);
@@ -564,7 +591,7 @@ int do_eventsel_loop(HANDLE other_event)
 	now = GETTICKCOUNT();
     }
 
-    if (other_event && n == WAIT_OBJECT_0 + nhandles + 1)
+    if (otherindex >= 0 && n == WAIT_OBJECT_0 + otherindex)
 	return 1;
 
     return 0;
@@ -581,25 +608,29 @@ int do_eventsel_loop(HANDLE other_event)
  */
 int ssh_sftp_loop_iteration(void)
 {
-    if (sftp_ssh_socket == INVALID_SOCKET)
-	return -1;		       /* doom */
-
     if (p_WSAEventSelect == NULL) {
 	fd_set readfds;
 	int ret;
-	long now = GETTICKCOUNT();
+	unsigned long now = GETTICKCOUNT(), then;
+
+	if (sftp_ssh_socket == INVALID_SOCKET)
+	    return -1;		       /* doom */
 
 	if (socket_writable(sftp_ssh_socket))
 	    select_result((WPARAM) sftp_ssh_socket, (LPARAM) FD_WRITE);
 
 	do {
-	    long next, ticks;
+	    unsigned long next;
+	    long ticks;
 	    struct timeval tv, *ptv;
 
 	    if (run_timers(now, &next)) {
-		ticks = next - GETTICKCOUNT();
-		if (ticks <= 0)
-		    ticks = 1;	       /* just in case */
+		then = now;
+		now = GETTICKCOUNT();
+		if (now - then > next - then)
+		    ticks = 0;
+		else
+		    ticks = next - now;
 		tv.tv_sec = ticks / 1000;
 		tv.tv_usec = ticks % 1000 * 1000;
 		ptv = &tv;
@@ -624,7 +655,7 @@ int ssh_sftp_loop_iteration(void)
 
 	return 0;
     } else {
-	return do_eventsel_loop(NULL);
+	return do_eventsel_loop(INVALID_HANDLE_VALUE);
     }
 }