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Ben Hutchings reports that new PuTTY instances created from the saved

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sessions menu (etc) can inherit listening sockets, and that this sometimes
causes trouble. Can't reproduce any problems myself, but let's only allow
inheritance when absolutely necessary -- Duplicate Session -- in which
case there's already going to be trouble with two processes trying to
listen on the same port.

[originally from svn r5468]
This commit is contained in:
Jacob Nevins 2005-03-08 23:06:15 +00:00
parent 470bdd13ea
commit cb47941b61
1 changed files with 7 additions and 2 deletions
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9
windows/window.c
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@ -1901,6 +1901,7 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
char b[2048];
char c[30], *cl;
int freecl = FALSE;
BOOL inherit_handles;
STARTUPINFO si;
PROCESS_INFORMATION pi;
HANDLE filemap = NULL;
@ -1929,6 +1930,7 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
UnmapViewOfFile(p);
}
}
inherit_handles = TRUE;
sprintf(c, "putty &%p", filemap);
cl = c;
} else if (wParam == IDM_SAVEDSESS) {
@ -1938,11 +1940,14 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
char *session = sesslist.sessions[sessno];
/* XXX spaces? quotes? "-load"? */
cl = dupprintf("putty @%s", session);
inherit_handles = FALSE;
freecl = TRUE;
} else
break;
} else
} else /* IDM_NEWSESS */ {
cl = NULL;
inherit_handles = FALSE;
}
GetModuleFileName(NULL, b, sizeof(b) - 1);
si.cb = sizeof(si);
@ -1952,7 +1957,7 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
si.dwFlags = 0;
si.cbReserved2 = 0;
si.lpReserved2 = NULL;
CreateProcess(b, cl, NULL, NULL, TRUE,
CreateProcess(b, cl, NULL, NULL, inherit_handles,
NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi);
if (filemap)