Now that we have Subversion's file renaming ability, it's time at
[sgt/putty] / pageantc.c
diff --git a/pageantc.c b/pageantc.c
deleted file mode 100644 (file)
index f647eef..0000000
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * Pageant client code.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "putty.h"
-
-#define AGENT_COPYDATA_ID 0x804e50ba   /* random goop */
-#define AGENT_MAX_MSGLEN  8192
-
-#define GET_32BIT(cp) \
-    (((unsigned long)(unsigned char)(cp)[0] << 24) | \
-    ((unsigned long)(unsigned char)(cp)[1] << 16) | \
-    ((unsigned long)(unsigned char)(cp)[2] << 8) | \
-    ((unsigned long)(unsigned char)(cp)[3]))
-
-int agent_exists(void)
-{
-    HWND hwnd;
-    hwnd = FindWindow("Pageant", "Pageant");
-    if (!hwnd)
-       return FALSE;
-    else
-       return TRUE;
-}
-
-/*
- * Unfortunately, this asynchronous agent request mechanism doesn't
- * appear to work terribly well. I'm going to comment it out for
- * the moment, and see if I can come up with a better one :-/
- */
-#ifdef WINDOWS_ASYNC_AGENT
-
-struct agent_query_data {
-    COPYDATASTRUCT cds;
-    unsigned char *mapping;
-    HANDLE handle;
-    char *mapname;
-    HWND hwnd;
-    void (*callback)(void *, void *, int);
-    void *callback_ctx;
-};
-
-DWORD WINAPI agent_query_thread(LPVOID param)
-{
-    struct agent_query_data *data = (struct agent_query_data *)param;
-    unsigned char *ret;
-    int id, retlen;
-
-    id = SendMessage(data->hwnd, WM_COPYDATA, (WPARAM) NULL,
-                    (LPARAM) &data->cds);
-    ret = NULL;
-    if (id > 0) {
-       retlen = 4 + GET_32BIT(data->mapping);
-       ret = snewn(retlen, unsigned char);
-       if (ret) {
-           memcpy(ret, data->mapping, retlen);
-       }
-    }
-    if (!ret)
-       retlen = 0;
-    UnmapViewOfFile(data->mapping);
-    CloseHandle(data->handle);
-    sfree(data->mapname);
-
-    agent_schedule_callback(data->callback, data->callback_ctx, ret, retlen);
-
-    return 0;
-}
-
-#endif
-
-int agent_query(void *in, int inlen, void **out, int *outlen,
-               void (*callback)(void *, void *, int), void *callback_ctx)
-{
-    HWND hwnd;
-    char *mapname;
-    HANDLE filemap;
-    unsigned char *p, *ret;
-    int id, retlen;
-    COPYDATASTRUCT cds;
-
-    *out = NULL;
-    *outlen = 0;
-
-    hwnd = FindWindow("Pageant", "Pageant");
-    if (!hwnd)
-       return 1;                      /* *out == NULL, so failure */
-    mapname = dupprintf("PageantRequest%08x", (unsigned)GetCurrentThreadId());
-    filemap = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
-                               0, AGENT_MAX_MSGLEN, mapname);
-    if (!filemap)
-       return 1;                      /* *out == NULL, so failure */
-    p = MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0);
-    memcpy(p, in, inlen);
-    cds.dwData = AGENT_COPYDATA_ID;
-    cds.cbData = 1 + strlen(mapname);
-    cds.lpData = mapname;
-#ifdef WINDOWS_ASYNC_AGENT
-    if (callback != NULL && !(flags & FLAG_SYNCAGENT)) {
-       /*
-        * We need an asynchronous Pageant request. Since I know of
-        * no way to stop SendMessage from blocking the thread it's
-        * called in, I see no option but to start a fresh thread.
-        * When we're done we'll PostMessage the result back to our
-        * main window, so that the callback is done in the primary
-        * thread to avoid concurrency.
-        */
-       struct agent_query_data *data = snew(struct agent_query_data);
-       DWORD threadid;
-       data->mapping = p;
-       data->handle = filemap;
-       data->mapname = mapname;
-       data->callback = callback;
-       data->callback_ctx = callback_ctx;
-       data->cds = cds;               /* structure copy */
-       data->hwnd = hwnd;
-       if (CreateThread(NULL, 0, agent_query_thread, data, 0, &threadid))
-           return 0;
-       sfree(data);
-    }
-#endif
-
-    /*
-     * The user either passed a null callback (indicating that the
-     * query is required to be synchronous) or CreateThread failed.
-     * Either way, we need a synchronous request.
-     */
-    id = SendMessage(hwnd, WM_COPYDATA, (WPARAM) NULL, (LPARAM) & cds);
-    if (id > 0) {
-       retlen = 4 + GET_32BIT(p);
-       ret = snewn(retlen, unsigned char);
-       if (ret) {
-           memcpy(ret, p, retlen);
-           *out = ret;
-           *outlen = retlen;
-       }
-    }
-    UnmapViewOfFile(p);
-    CloseHandle(filemap);
-    return 1;
-}