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/* wincap.cc -- figure out on which OS we're running. Set the
capability class to the appropriate values.
Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
2012, 2013 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include "winsup.h"
#include "security.h"
#include "ntdll.h"
/* CV, 2008-10-23: All wincapc's have to be in the .cygwin_dll_common section,
same as wincap itself. Otherwise the capability changes made in
wincapc::init() are not propagated to any subsequently started process
in the same session. I'm only writing this longish comment because I'm
puzzled that this has never been noticed before... */
/* Minimal set of capabilities required to run Cygwin. */
#define wincap_minimal wincap_xpsp2
wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
max_sys_priv:SE_CREATE_GLOBAL_PRIVILEGE,
is_server:false,
has_physical_mem_access:true,
has_mandatory_integrity_control:false,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:false,
has_gaa_on_link_prefix:false,
has_gaa_largeaddress_bug:false,
supports_all_posix_ai_flags:false,
has_restricted_stack_args:false,
has_transactions:false,
has_sendmsg:false,
has_broken_udf:true,
has_broken_alloc_console:false,
has_always_all_codepages:false,
has_localenames:false,
has_fast_cwd:false,
has_restricted_raw_disk_access:false,
use_dont_resolve_hack:true,
has_console_logon_sid:false,
wow64_has_secondary_stack:false,
has_program_compatibility_assistant:false,
has_pipe_reject_remote_clients:false,
terminate_thread_frees_stack:false,
has_precise_system_time:false,
};
wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
max_sys_priv:SE_CREATE_GLOBAL_PRIVILEGE,
is_server:false,
has_physical_mem_access:false,
has_mandatory_integrity_control:false,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:false,
has_gaa_on_link_prefix:false,
has_gaa_largeaddress_bug:false,
supports_all_posix_ai_flags:false,
has_restricted_stack_args:true,
has_transactions:false,
has_sendmsg:false,
has_broken_udf:true,
has_broken_alloc_console:false,
has_always_all_codepages:false,
has_localenames:false,
has_fast_cwd:false,
has_restricted_raw_disk_access:false,
use_dont_resolve_hack:true,
has_console_logon_sid:false,
wow64_has_secondary_stack:true,
has_program_compatibility_assistant:false,
has_pipe_reject_remote_clients:false,
terminate_thread_frees_stack:false,
has_precise_system_time:false,
};
wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
max_sys_priv:SE_CREATE_SYMBOLIC_LINK_PRIVILEGE,
is_server:false,
has_physical_mem_access:false,
has_mandatory_integrity_control:true,
needs_count_in_si_lpres2:true,
has_recycle_dot_bin:true,
has_gaa_on_link_prefix:true,
has_gaa_largeaddress_bug:true,
supports_all_posix_ai_flags:true,
has_restricted_stack_args:false,
has_transactions:true,
has_sendmsg:true,
has_broken_udf:false,
has_broken_alloc_console:false,
has_always_all_codepages:true,
has_localenames:true,
has_fast_cwd:true,
has_restricted_raw_disk_access:true,
use_dont_resolve_hack:false,
has_console_logon_sid:false,
wow64_has_secondary_stack:false,
has_program_compatibility_assistant:true,
has_pipe_reject_remote_clients:true,
terminate_thread_frees_stack:true,
has_precise_system_time:false,
};
wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
max_sys_priv:SE_CREATE_SYMBOLIC_LINK_PRIVILEGE,
is_server:false,
has_physical_mem_access:false,
has_mandatory_integrity_control:true,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:true,
has_gaa_on_link_prefix:true,
has_gaa_largeaddress_bug:true,
supports_all_posix_ai_flags:true,
has_restricted_stack_args:false,
has_transactions:true,
has_sendmsg:true,
has_broken_udf:false,
has_broken_alloc_console:true,
has_always_all_codepages:true,
has_localenames:true,
has_fast_cwd:true,
has_restricted_raw_disk_access:true,
use_dont_resolve_hack:false,
has_console_logon_sid:true,
wow64_has_secondary_stack:false,
has_program_compatibility_assistant:true,
has_pipe_reject_remote_clients:true,
terminate_thread_frees_stack:true,
has_precise_system_time:false,
};
wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
max_sys_priv:SE_CREATE_SYMBOLIC_LINK_PRIVILEGE,
is_server:false,
has_physical_mem_access:false,
has_mandatory_integrity_control:true,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:true,
has_gaa_on_link_prefix:true,
has_gaa_largeaddress_bug:false,
supports_all_posix_ai_flags:true,
has_restricted_stack_args:false,
has_transactions:true,
has_sendmsg:true,
has_broken_udf:false,
has_broken_alloc_console:true,
has_always_all_codepages:true,
has_localenames:true,
has_fast_cwd:true,
has_restricted_raw_disk_access:true,
use_dont_resolve_hack:false,
has_console_logon_sid:true,
wow64_has_secondary_stack:false,
has_program_compatibility_assistant:true,
has_pipe_reject_remote_clients:true,
terminate_thread_frees_stack:true,
has_precise_system_time:true,
};
wincapc wincap __attribute__((section (".cygwin_dll_common"), shared));
void
wincapc::init ()
{
if (caps)
return; // already initialized
GetSystemInfo (&system_info);
version.dwOSVersionInfoSize = sizeof (OSVERSIONINFOEX);
GetVersionEx (reinterpret_cast<LPOSVERSIONINFO>(&version));
switch (version.dwMajorVersion)
{
case 5:
switch (version.dwMinorVersion)
{
case 1:
caps = &wincap_xpsp2;
break;
default:
caps = &wincap_2003;
}
break;
case 6:
switch (version.dwMinorVersion)
{
case 0:
caps = &wincap_vista;
break;
case 1:
caps = &wincap_7;
break;
default:
caps = &wincap_8;
break;
}
break;
default:
caps = &wincap_minimal;
break;
}
((wincaps *)caps)->is_server = (version.wProductType != VER_NT_WORKSTATION);
#ifdef __x86_64__
wow64 = 0;
#else
if (NT_SUCCESS (NtQueryInformationProcess (NtCurrentProcess (),
ProcessWow64Information,
&wow64, sizeof wow64, NULL))
&& !wow64)
#endif
{
((wincaps *)caps)->needs_count_in_si_lpres2 = false;
((wincaps *)caps)->has_restricted_stack_args = false;
((wincaps *)caps)->wow64_has_secondary_stack = false;
((wincaps *)caps)->has_gaa_largeaddress_bug = false;
}
__small_sprintf (osnam, "NT-%d.%d", version.dwMajorVersion,
version.dwMinorVersion);
}
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