diff options
Diffstat (limited to 'tools/plink/winpgntc.c')
| -rw-r--r-- | tools/plink/winpgntc.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/tools/plink/winpgntc.c b/tools/plink/winpgntc.c deleted file mode 100644 index 3bfafc972..000000000 --- a/tools/plink/winpgntc.c +++ /dev/null @@ -1,138 +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
-
-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 == NULL || filemap == INVALID_HANDLE_VALUE)
- 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;
-}
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