366 lines
11 KiB
C++
366 lines
11 KiB
C++
/* wincap.cc -- figure out on which OS we're running. Set the
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capability class to the appropriate values.
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Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
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2009, 2010, 2011 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include "winsup.h"
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#include "security.h"
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#include "ntdll.h"
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/* CV, 2008-10-23: All wincapc's have to be in the .cygwin_dll_common section,
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same as wincap itself. Otherwise the capability changes made in
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wincapc::init() are not propagated to any subsequently started process
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in the same session. I'm only writing this longish comment because I'm
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puzzled that this has never been noticed before... */
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/* Minimal set of capabilities required to run Cygwin. */
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#define wincap_minimal wincap_2000
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wincaps wincap_2000 __attribute__((section (".cygwin_dll_common"), shared)) = {
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max_sys_priv:SE_MANAGE_VOLUME_PRIVILEGE,
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is_server:false,
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has_physical_mem_access:true,
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has_create_global_privilege:false,
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has_ioctl_storage_get_media_types_ex:false,
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has_disk_ex_ioctls:false,
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has_buggy_restart_scan:true,
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has_mandatory_integrity_control:false,
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needs_logon_sid_in_sid_list:true,
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needs_count_in_si_lpres2:false,
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has_recycle_dot_bin:false,
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has_gaa_prefixes:false,
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has_gaa_on_link_prefix:false,
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supports_all_posix_ai_flags:false,
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has_restricted_stack_args:false,
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has_transactions:false,
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has_recvmsg:false,
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has_sendmsg:false,
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has_broken_udf:true,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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has_localenames:false,
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has_buggy_thread_startup:false,
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has_fast_cwd:false,
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has_restricted_raw_disk_access:false,
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use_dont_resolve_hack:false,
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has_stack_size_param_is_a_reservation:false,
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};
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wincaps wincap_2000sp4 __attribute__((section (".cygwin_dll_common"), shared)) = {
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max_sys_priv:SE_CREATE_GLOBAL_PRIVILEGE,
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is_server:false,
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has_physical_mem_access:true,
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has_create_global_privilege:true,
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has_ioctl_storage_get_media_types_ex:false,
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has_disk_ex_ioctls:false,
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has_buggy_restart_scan:true,
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has_mandatory_integrity_control:false,
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needs_logon_sid_in_sid_list:true,
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needs_count_in_si_lpres2:false,
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has_recycle_dot_bin:false,
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has_gaa_prefixes:false,
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has_gaa_on_link_prefix:false,
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supports_all_posix_ai_flags:false,
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has_restricted_stack_args:false,
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has_transactions:false,
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has_recvmsg:false,
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has_sendmsg:false,
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has_broken_udf:true,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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has_localenames:false,
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has_buggy_thread_startup:false,
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has_fast_cwd:false,
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has_restricted_raw_disk_access:false,
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use_dont_resolve_hack:false,
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has_stack_size_param_is_a_reservation:false,
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};
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wincaps wincap_xp __attribute__((section (".cygwin_dll_common"), shared)) = {
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max_sys_priv:SE_MANAGE_VOLUME_PRIVILEGE,
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is_server:false,
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has_physical_mem_access:true,
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has_create_global_privilege:false,
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has_ioctl_storage_get_media_types_ex:true,
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has_disk_ex_ioctls:true,
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has_buggy_restart_scan:false,
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has_mandatory_integrity_control:false,
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needs_logon_sid_in_sid_list:false,
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needs_count_in_si_lpres2:false,
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has_recycle_dot_bin:false,
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has_gaa_prefixes:false,
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has_gaa_on_link_prefix:false,
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supports_all_posix_ai_flags:false,
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has_restricted_stack_args:false,
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has_transactions:false,
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has_recvmsg:true,
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has_sendmsg:false,
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has_broken_udf:true,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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has_localenames:false,
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has_buggy_thread_startup:false,
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has_fast_cwd:false,
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has_restricted_raw_disk_access:false,
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use_dont_resolve_hack:true,
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has_stack_size_param_is_a_reservation:true,
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};
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wincaps wincap_xpsp1 __attribute__((section (".cygwin_dll_common"), shared)) = {
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max_sys_priv:SE_MANAGE_VOLUME_PRIVILEGE,
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is_server:false,
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has_physical_mem_access:true,
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has_create_global_privilege:false,
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has_ioctl_storage_get_media_types_ex:true,
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has_disk_ex_ioctls:true,
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has_buggy_restart_scan:false,
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has_mandatory_integrity_control:false,
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needs_logon_sid_in_sid_list:false,
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needs_count_in_si_lpres2:false,
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has_recycle_dot_bin:false,
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has_gaa_prefixes:true,
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has_gaa_on_link_prefix:false,
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supports_all_posix_ai_flags:false,
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has_restricted_stack_args:false,
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has_transactions:false,
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has_recvmsg:true,
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has_sendmsg:false,
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has_broken_udf:true,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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has_localenames:false,
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has_buggy_thread_startup:false,
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has_fast_cwd:false,
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has_restricted_raw_disk_access:false,
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use_dont_resolve_hack:true,
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has_stack_size_param_is_a_reservation:true,
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};
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wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
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max_sys_priv:SE_CREATE_GLOBAL_PRIVILEGE,
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is_server:false,
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has_physical_mem_access:true,
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has_create_global_privilege:true,
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has_ioctl_storage_get_media_types_ex:true,
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has_disk_ex_ioctls:true,
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has_buggy_restart_scan:false,
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has_mandatory_integrity_control:false,
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needs_logon_sid_in_sid_list:false,
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needs_count_in_si_lpres2:false,
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has_recycle_dot_bin:false,
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has_gaa_prefixes:true,
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has_gaa_on_link_prefix:false,
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supports_all_posix_ai_flags:false,
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has_restricted_stack_args:false,
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has_transactions:false,
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has_recvmsg:true,
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has_sendmsg:false,
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has_broken_udf:true,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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has_localenames:false,
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has_buggy_thread_startup:false,
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has_fast_cwd:false,
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has_restricted_raw_disk_access:false,
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use_dont_resolve_hack:true,
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has_stack_size_param_is_a_reservation:true,
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};
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wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
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max_sys_priv:SE_CREATE_GLOBAL_PRIVILEGE,
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is_server:false,
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has_physical_mem_access:false,
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has_create_global_privilege:true,
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has_ioctl_storage_get_media_types_ex:true,
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has_disk_ex_ioctls:true,
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has_buggy_restart_scan:false,
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has_mandatory_integrity_control:false,
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needs_logon_sid_in_sid_list:false,
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needs_count_in_si_lpres2:false,
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has_recycle_dot_bin:false,
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has_gaa_prefixes:true,
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has_gaa_on_link_prefix:false,
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supports_all_posix_ai_flags:false,
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has_restricted_stack_args:true,
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has_transactions:false,
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has_recvmsg:true,
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has_sendmsg:false,
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has_broken_udf:true,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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has_localenames:false,
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has_buggy_thread_startup:false,
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has_fast_cwd:false,
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has_restricted_raw_disk_access:false,
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use_dont_resolve_hack:true,
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has_stack_size_param_is_a_reservation:true,
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};
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wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
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max_sys_priv:SE_CREATE_SYMBOLIC_LINK_PRIVILEGE,
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is_server:false,
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has_physical_mem_access:false,
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has_create_global_privilege:true,
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has_ioctl_storage_get_media_types_ex:true,
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has_disk_ex_ioctls:true,
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has_buggy_restart_scan:false,
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has_mandatory_integrity_control:true,
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needs_logon_sid_in_sid_list:false,
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needs_count_in_si_lpres2:true,
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has_recycle_dot_bin:true,
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has_gaa_prefixes:true,
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has_gaa_on_link_prefix:true,
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supports_all_posix_ai_flags:true,
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has_restricted_stack_args:false,
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has_transactions:true,
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has_recvmsg:true,
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has_sendmsg:true,
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has_broken_udf:false,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:true,
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has_localenames:true,
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has_buggy_thread_startup:true,
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has_fast_cwd:true,
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has_restricted_raw_disk_access:true,
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use_dont_resolve_hack:false,
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has_stack_size_param_is_a_reservation:true,
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};
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wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
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max_sys_priv:SE_CREATE_SYMBOLIC_LINK_PRIVILEGE,
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is_server:false,
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has_physical_mem_access:false,
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has_create_global_privilege:true,
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has_ioctl_storage_get_media_types_ex:true,
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has_disk_ex_ioctls:true,
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has_buggy_restart_scan:false,
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has_mandatory_integrity_control:true,
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needs_logon_sid_in_sid_list:false,
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needs_count_in_si_lpres2:false,
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has_recycle_dot_bin:true,
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has_gaa_prefixes:true,
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has_gaa_on_link_prefix:true,
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supports_all_posix_ai_flags:true,
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has_restricted_stack_args:false,
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has_transactions:true,
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has_recvmsg:true,
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has_sendmsg:true,
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has_broken_udf:false,
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has_console_handle_problem:true,
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has_broken_alloc_console:true,
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has_always_all_codepages:true,
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has_localenames:true,
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has_buggy_thread_startup:false,
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has_fast_cwd:true,
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has_restricted_raw_disk_access:true,
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use_dont_resolve_hack:false,
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has_stack_size_param_is_a_reservation:true,
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};
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wincapc wincap __attribute__((section (".cygwin_dll_common"), shared));
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void
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wincapc::init ()
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{
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if (caps)
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return; // already initialized
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GetSystemInfo (&system_info);
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memset (&version, 0, sizeof version);
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version.dwOSVersionInfoSize = sizeof (OSVERSIONINFOEX);
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if (!GetVersionEx (reinterpret_cast<LPOSVERSIONINFO>(&version)))
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api_fatal ("Cygwin requires at least Windows 2000.");
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switch (version.dwPlatformId)
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{
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case VER_PLATFORM_WIN32_NT:
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switch (version.dwMajorVersion)
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{
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case 4:
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/* I'd be very surprised if this code is ever hit, but it doesn't
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hurt to keep it. */
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api_fatal ("Cygwin requires at least Windows 2000.");
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break;
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case 5:
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switch (version.dwMinorVersion)
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{
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case 0:
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if (version.wServicePackMajor < 4)
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caps = &wincap_2000;
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else
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caps = &wincap_2000sp4;
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break;
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case 1:
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caps = &wincap_xp;
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switch (version.wServicePackMajor)
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{
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case 0:
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caps = &wincap_xp;
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case 1:
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caps = &wincap_xpsp1;
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default:
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caps = &wincap_xpsp2;
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}
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break;
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default:
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caps = &wincap_2003;
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}
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break;
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case 6:
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switch (version.dwMinorVersion)
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{
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case 0:
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caps = &wincap_vista;
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break;
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default:
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caps = &wincap_7;
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break;
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}
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break;
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default:
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caps = &wincap_minimal;
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break;
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}
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break;
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case VER_PLATFORM_WIN32_WINDOWS:
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/* I'd be very surprised if this code is ever hit, but it doesn't
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hurt to keep it. */
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api_fatal ("Windows 95/98/Me are not supported.");
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break;
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default:
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caps = &wincap_minimal;
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break;
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}
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((wincaps *)caps)->is_server = (version.wProductType != VER_NT_WORKSTATION);
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if (NT_SUCCESS (NtQueryInformationProcess (NtCurrentProcess (),
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ProcessWow64Information,
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&wow64, sizeof wow64, NULL))
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&& !wow64)
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{
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((wincaps *)caps)->needs_count_in_si_lpres2 = false;
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((wincaps *)caps)->has_restricted_stack_args = false;
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}
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if (!wow64)
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((wincaps *) caps)->has_buggy_thread_startup = false;
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__small_sprintf (osnam, "NT-%d.%d", version.dwMajorVersion,
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version.dwMinorVersion);
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}
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