/* 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_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, terminate_thread_frees_stack:false, }; 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, terminate_thread_frees_stack:false, }; 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, terminate_thread_frees_stack: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, terminate_thread_frees_stack: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, terminate_thread_frees_stack: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, terminate_thread_frees_stack: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, terminate_thread_frees_stack:true, }; 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, terminate_thread_frees_stack:true, }; 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, terminate_thread_frees_stack: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(&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); }