newlib/winsup/cygwin/wincap.cc

416 lines
12 KiB
C++

/* 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 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_2000
wincaps wincap_2000 __attribute__((section (".cygwin_dll_common"), shared)) = {
max_sys_priv:SE_MANAGE_VOLUME_PRIVILEGE,
is_server:false,
has_physical_mem_access:true,
has_create_global_privilege:false,
has_ioctl_storage_get_media_types_ex:false,
has_disk_ex_ioctls:false,
has_buggy_restart_scan:true,
has_mandatory_integrity_control:false,
needs_logon_sid_in_sid_list:true,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:false,
has_gaa_prefixes: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_recvmsg:false,
has_sendmsg:false,
has_broken_udf:true,
has_console_handle_problem:false,
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:false,
has_stack_size_param_is_a_reservation:false,
has_console_logon_sid:false,
wow64_has_secondary_stack:false,
has_program_compatibility_assistant:false,
kernel_is_always_casesensitive:true,
};
wincaps wincap_2000sp4 __attribute__((section (".cygwin_dll_common"), shared)) = {
max_sys_priv:SE_CREATE_GLOBAL_PRIVILEGE,
is_server:false,
has_physical_mem_access:true,
has_create_global_privilege:true,
has_ioctl_storage_get_media_types_ex:false,
has_disk_ex_ioctls:false,
has_buggy_restart_scan:true,
has_mandatory_integrity_control:false,
needs_logon_sid_in_sid_list:true,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:false,
has_gaa_prefixes: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_recvmsg:false,
has_sendmsg:false,
has_broken_udf:true,
has_console_handle_problem:false,
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:false,
has_stack_size_param_is_a_reservation:false,
has_console_logon_sid:false,
wow64_has_secondary_stack:false,
has_program_compatibility_assistant:false,
kernel_is_always_casesensitive:true,
};
wincaps wincap_xp __attribute__((section (".cygwin_dll_common"), shared)) = {
max_sys_priv:SE_MANAGE_VOLUME_PRIVILEGE,
is_server:false,
has_physical_mem_access:true,
has_create_global_privilege:false,
has_ioctl_storage_get_media_types_ex:true,
has_disk_ex_ioctls:true,
has_buggy_restart_scan:false,
has_mandatory_integrity_control:false,
needs_logon_sid_in_sid_list:false,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:false,
has_gaa_prefixes: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_recvmsg:true,
has_sendmsg:false,
has_broken_udf:true,
has_console_handle_problem:false,
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_stack_size_param_is_a_reservation:true,
has_console_logon_sid:false,
wow64_has_secondary_stack:false,
has_program_compatibility_assistant:false,
kernel_is_always_casesensitive:false,
};
wincaps wincap_xpsp1 __attribute__((section (".cygwin_dll_common"), shared)) = {
max_sys_priv:SE_MANAGE_VOLUME_PRIVILEGE,
is_server:false,
has_physical_mem_access:true,
has_create_global_privilege:false,
has_ioctl_storage_get_media_types_ex:true,
has_disk_ex_ioctls:true,
has_buggy_restart_scan:false,
has_mandatory_integrity_control:false,
needs_logon_sid_in_sid_list:false,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:false,
has_gaa_prefixes:true,
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_recvmsg:true,
has_sendmsg:false,
has_broken_udf:true,
has_console_handle_problem:false,
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_stack_size_param_is_a_reservation:true,
has_console_logon_sid:false,
wow64_has_secondary_stack:false,
has_program_compatibility_assistant:false,
kernel_is_always_casesensitive:false,
};
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_create_global_privilege:true,
has_ioctl_storage_get_media_types_ex:true,
has_disk_ex_ioctls:true,
has_buggy_restart_scan:false,
has_mandatory_integrity_control:false,
needs_logon_sid_in_sid_list:false,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:false,
has_gaa_prefixes:true,
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_recvmsg:true,
has_sendmsg:false,
has_broken_udf:true,
has_console_handle_problem:false,
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_stack_size_param_is_a_reservation:true,
has_console_logon_sid:false,
wow64_has_secondary_stack:false,
has_program_compatibility_assistant:false,
kernel_is_always_casesensitive: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_create_global_privilege:true,
has_ioctl_storage_get_media_types_ex:true,
has_disk_ex_ioctls:true,
has_buggy_restart_scan:false,
has_mandatory_integrity_control:false,
needs_logon_sid_in_sid_list:false,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:false,
has_gaa_prefixes:true,
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_recvmsg:true,
has_sendmsg:false,
has_broken_udf:true,
has_console_handle_problem:false,
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_stack_size_param_is_a_reservation:true,
has_console_logon_sid:false,
wow64_has_secondary_stack:true,
has_program_compatibility_assistant:false,
kernel_is_always_casesensitive: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_create_global_privilege:true,
has_ioctl_storage_get_media_types_ex:true,
has_disk_ex_ioctls:true,
has_buggy_restart_scan:false,
has_mandatory_integrity_control:true,
needs_logon_sid_in_sid_list:false,
needs_count_in_si_lpres2:true,
has_recycle_dot_bin:true,
has_gaa_prefixes: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_recvmsg:true,
has_sendmsg:true,
has_broken_udf:false,
has_console_handle_problem: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_stack_size_param_is_a_reservation:true,
has_console_logon_sid:false,
wow64_has_secondary_stack:false,
has_program_compatibility_assistant:true,
kernel_is_always_casesensitive: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_create_global_privilege:true,
has_ioctl_storage_get_media_types_ex:true,
has_disk_ex_ioctls:true,
has_buggy_restart_scan:false,
has_mandatory_integrity_control:true,
needs_logon_sid_in_sid_list:false,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:true,
has_gaa_prefixes: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_recvmsg:true,
has_sendmsg:true,
has_broken_udf:false,
has_console_handle_problem:true,
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_stack_size_param_is_a_reservation:true,
has_console_logon_sid:true,
wow64_has_secondary_stack:false,
has_program_compatibility_assistant:true,
kernel_is_always_casesensitive: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_create_global_privilege:true,
has_ioctl_storage_get_media_types_ex:true,
has_disk_ex_ioctls:true,
has_buggy_restart_scan:false,
has_mandatory_integrity_control:true,
needs_logon_sid_in_sid_list:false,
needs_count_in_si_lpres2:false,
has_recycle_dot_bin:true,
has_gaa_prefixes: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_recvmsg:true,
has_sendmsg:true,
has_broken_udf:false,
has_console_handle_problem:true,
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_stack_size_param_is_a_reservation:true,
has_console_logon_sid:true,
wow64_has_secondary_stack:false,
has_program_compatibility_assistant:true,
kernel_is_always_casesensitive:false,
};
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 0:
if (version.wServicePackMajor < 4)
caps = &wincap_2000;
else
caps = &wincap_2000sp4;
break;
case 1:
caps = &wincap_xp;
switch (version.wServicePackMajor)
{
case 0:
caps = &wincap_xp;
case 1:
caps = &wincap_xpsp1;
default:
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);
if (NT_SUCCESS (NtQueryInformationProcess (NtCurrentProcess (),
ProcessWow64Information,
&wow64, sizeof wow64, NULL))
&& !wow64)
{
((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);
}