2006-07-25 Corinna Vinschen <corinna@vinschen.de>
* include/cygwin/version.h: Bump DLL version to 1.7.0. 2006-07-25 Corinna Vinschen <corinna@vinschen.de> * select.h: Remove. * fhandler_socket.cc: Don't include select.h. * select.cc: Ditto. 2006-07-25 Corinna Vinschen <corinna@vinschen.de> * cygtls.h: Drop socket related includes. (struct _local_storage): Remove exitsock and exitsock_sin. Add select_sockevt. * cygtls.cc: Accomodate above change throughout. * fhandler.h (class fhandler_socket): Make wsock_evt public. * fhandler_socket.cc (fhandler_socket::fhandler_socket): Accomodate reordering members. (fhandler_socket::evaluate_events): Drop FD_CONNECT event as soon as it gets read once. Never remove FD_WRITE event here. (fhandler_socket::wait_for_events): Wait 50 ms instead of INFINITE for socket events. (fhandler_socket::accept): Fix conditional. Set wsock_events members of accepted socket to useful start values. (fhandler_socket::recv_internal): Always drop FD_READ/FD_OOB events from wsock_events after the call to WSARecvFrom. (fhandler_socket::send_internal): Drop FD_WRITE event from wsock_events if the call to WSASendTo fails with WSAEWOULDBLOCK. Fix return value condition. * select.cc (struct socketinf): Change to accomodate using socket event handling. (peek_socket): Use event handling for peeking socket. (thread_socket): Ditto. (start_thread_socket): Ditto. (socket_cleanup): Same here. * tlsoffsets.h: Regenerate. 2006-07-20 Corinna Vinschen <corinna@vinschen.de> * fhandler.h (class fhandler_socket): Rearrange slightly to keep event handling methods and members together. Drop owner status flag. Split wait method. Rename event handling methods for readability. * fhandler_socket.cc (struct wsa_event): Add owner field. (LOCK_EVENTS): New macro. (UNLOCK_EVENTS): Ditto. (fhandler_socket::init_events): rename from prepare. (fhandler_socket::evaluate_events): First half of former wait method. Do everything but wait. Allow specifiying whether or not events from event_mask should be erased from wsock_events->events. Simplify OOB handling. Allow sending SIGURG to any process (group). (fhandler_socket::wait_for_events): Second half of former wait method. Call evaluate_events and wait in a loop if socket is blocking. (fhandler_socket::release_events): Rename from release. (fhandler_socket::connect): Accomodate above name changes. (fhandler_socket::accept): Ditto. (fhandler_socket::recv_internal): Ditto. (fhandler_socket::send_internal): Ditto. (fhandler_socket::close): Ditto. (fhandler_socket::fcntl): Always set owner to given input value on F_SETOWN. Handle F_GETOWN. * net.cc (fdsock): Accomodate above name changes. 2006-07-20 Corinna Vinschen <corinna@vinschen.de> * fhandler_socket.cc (fhandler_socket::wait): Set Winsock errno to WSAEWOULDBLOCK instead of WSAEINPROGRESS. 2006-07-18 Brian Ford <Brian.Ford@FlightSafety.com> Corinna Vinschen <corinna@vinschen.de> * winsup.h (mmap_region_status): New enum. (mmap_is_attached_or_noreserve_page): Adjust prototype and rename as below. * mmap.cc (mmap_is_attached_or_noreserve_page): Rename mmap_is_attached_or_noreserve. Add region length parameter. Return enum above. * exceptions.cc (_cygtls::handle_exceptions): Accomodate above. * fhandler.cc (fhandler_base::raw_read): Call above for NOACCESS errors and retry on success to allow reads into untouched MAP_NORESERVE buffers. 2006-07-18 Corinna Vinschen <corinna@vinschen.de> * cygwin.din (posix_openpt): Export. * tty.cc (posix_openpt): New function. * include/cygwin/stdlib.h (posix_openpt): Declare. * include/cygwin/version.h: Bump API minor number. 2006-07-14 Corinna Vinschen <corinna@vinschen.de> * security.cc (get_token_group_sidlist): Always add the interactive group to the token. Add comment. Create logon_id group SID by copying it from incoming group list. (create_token): Add subauth_token parameter. Use information in subauth_token if present. Tweak SourceIdentifier if subauth_token is present for debugging purposes. * security.h (create_token): Add subauth_token parameter in declaration. * syscalls.cc (seteuid32): Call subauth first. Call create_token regardless. Use subauth token in call to create_token if subauth succeeded. 2006-07-13 Corinna Vinschen <corinna@vinschen.de> * include/netinet/in.h: Update copyright. 2006-07-13 Corinna Vinschen <corinna@vinschen.de> * fhandler_socket.cc (fhandler_socket::wait): Rework function so that WaitForMultipleObjects is really only called when necessary. 2006-07-12 Corinna Vinschen <corinna@vinschen.de> * include/netdb.h: Declare rcmd, rcmd_af, rexec, rresvport, rresvport_af, iruserok, iruserok_sa, ruserok. 2006-07-12 Corinna Vinschen <corinna@vinschen.de> * Makefile.in (DLL_OFILES): Drop iruserok.o. Add rcmd.o. * autoload.cc (rcmd): Drop definition. * cygwin.din: Export bindresvport, bindresvport_sa, iruserok_sa, rcmd_af, rresvport_af. * net.cc (cygwin_rcmd): Remove. (last_used_bindresvport): Rename from last_used_rrecvport. (cygwin_bindresvport_sa): New function implementing bindresvport_sa. (cygwin_bindresvport): New function implementing bindresvport. (cygwin_rresvport): Remove. * include/cygwin/version.h: Bump API minor number. * include/netinet/in.h: Declare bindresvport and bindresvport_sa. * libc/iruserok.c: Remove file. * libc/rcmd.cc: New file implementing rcmd, rcmd_af, rresvport, rresvport_af, iruserok_sa, iruserok and ruserok. 2006-07-12 Corinna Vinschen <corinna@vinschen.de> * fhandler_socket.cc (fhandler_socket::getsockname): Return valid result for unbound sockets. 2006-07-11 Corinna Vinschen <corinna@vinschen.de> * fhandler_socket.cc (fhandler_socket::fixup_after_fork): Handle wsock_mtx and wsock_evt on fork, thus handling close_on_exec correctly. (fhandler_socket::fixup_after_exec): Drop misguided attempt to handle close_on_exec here. (fhandler_socket::dup): Call fixup_after_fork with NULL parent. Add comment. (fhandler_socket::set_close_on_exec): Handle wsock_mtx and wsock_evt. 2006-07-10 Corinna Vinschen <corinna@vinschen.de> * fhandler.h (class fhandler_socket): Add wsock_mtx, wsock_evt and wsock_events members. Remove closed status flag, add listener status flag. Accomodate new implementation of socket event handling methods. Declare recv* and send* functions ssize_t as the POSIX equivalents. (fhandler_socket::recv_internal): Declare. (fhandler_socket::send_internal): Ditto. * fhandler_socket.cc (EVENT_MASK): Define mask of selected events. (fhandler_socket::fhandler_socket): Initialize new members. (fhandler_socket::af_local_setblocking): Don't actually set the socket to blocking mode. Keep sane event selection. (fhandler_socket::af_local_unsetblocking): Don't actually set the socket to previous blocking setting, just remember it. (struct wsa_event): New structure to keep event data per shared socket. (NUM_SOCKS): Define number of shared sockets concurrently handled by all active Cygwin processes. (wsa_events): New shared datastructure keeping all wsa_event records. (socket_serial_number): New shared variable to identify shared sockets. (wsa_slot_mtx): Global mutex to serialize wsa_events access. (search_wsa_event_slot): New static function to select a new wsa_event slot for a new socket. (fhandler_socket::prepare): Rewrite. Prepare event selection per new socket. (fhandler_socket::wait): Rewrite. Wait for socket events in thread safe and multiple process safe. (fhandler_socket::release): Rewrite. Close per-socket descriptor mutex handle and event handle. (fhandler_socket::dup): Duplicate wsock_mtx and wsock_evt. Fix copy-paste error in debug output. (fhandler_socket::connect): Accomodate new event handling. (fhandler_socket::listen): Set listener flag on successful listen. (fhandler_socket::accept): Accomodate new event handling. (fhandler_socket::recv_internal): New inline method centralizing common recv code. (fhandler_socket::recvfrom): Call recv_internal now. (fhandler_socket::recvmsg): Ditto. Streamline copying from iovec to WSABUF. (fhandler_socket::send_internal): New inline method centralizing common send code. (fhandler_socket::sendto): Call send_internal now. (fhandler_socket::sendmsg): Ditto. Streamline copying from iovec to WSABUF. (fhandler_socket::close): Call release now. (fhandler_socket::ioctl): Never actually switch to blocking mode. Just keep track of the setting. * net.cc (fdsock): Call prepare now. (cygwin_connect): Revert again to event driven technique. (cygwin_accept): Ditto. * poll.cc (poll): Don't call recvfrom on a listening socket. Remove special case for failing recvfrom. * include/sys/socket.h: Declare recv* and send* functions ssize_t as requested by POSIX. 2006-07-07 Corinna Vinschen <corinna@vinschen.de> * net.cc (cygwin_inet_ntop): Fix data type of forth parameter. 2006-07-06 Corinna Vinschen <corinna@vinschen.de> * include/cygwin/in6.h (struct in6_addr): Fix typo. 2006-07-06 Corinna Vinschen <corinna@vinschen.de> * cygwin.din: Export in6addr_any, in6addr_loopback, freeaddrinfo, gai_strerror, getaddrinfo, getnameinfo. * fhandler_socket.cc: Include cygwin/in6.h. (get_inet_addr): Accomodate AF_INET6 usage. (fhandler_socket::connect): Ditto. (fhandler_socket::listen): Ditto. (fhandler_socket::sendto): Ditto. * net.cc: Include cygwin/in6.h. (in6addr_any): Define. (in6addr_loopback): Define. (cygwin_socket): Accomodate AF_INET6 usage. (socketpair): Bind socketpairs only to loopback for security. (inet_pton4): New static function. (inet_pton6): Ditto. (cygwin_inet_pton): New AF_INET6 aware inet_pton implementation. (inet_ntop4): New static function. (inet_ntop6): Ditto. (cygwin_inet_ntop): New AF_INET6 aware inet_ntop implementation. (ga_aistruct): New static function. (ga_clone): Ditto. (ga_echeck): Ditto. (ga_nsearch): Ditto. (ga_port): Ditto. (ga_serv): Ditto. (ga_unix): Ditto. (gn_ipv46): Ditto. (ipv4_freeaddrinfo): Ditto. (ipv4_getaddrinfo): Ditto. (ipv4_getnameinfo): Ditto. (gai_errmap_t): New structure holding error code - error string mapping. (cygwin_gai_strerror): New function implementing gai_strerror. (w32_to_gai_err): New static function. (get_ipv6_funcs): Ditto. (load_ipv6_funcs): Ditto. (cygwin_freeaddrinfo): New function implementing freeaddrinfo. (cygwin_getaddrinfo): New function implementing getaddrinfo. (cygwin_getnameinfo): New function implementing getnameinfo. * include/netdb.h: Include stdint.h and cygwin/socket.h. Define data types and macros used by getaddrinfo and friends. Declare freeaddrinfo, gai_strerror, getaddrinfo and getnameinfo. * include/cygwin/in.h: Add IPv6 related IPPROTOs. Remove definition of struct sockaddr_in6. Include cygwin/in6.h instead. * include/cygwin/in6.h: New header file defining IPv6 releated data types and macros. * include/cygwin/socket.h: Enable AF_INET6 and PF_INET6. Add IPv6 related socket options. * include/cygwin/version.h: Bump API minor number. 2006-07-06 Corinna Vinschen <corinna@vinschen.de> * autoload.cc (DsGetDcNameA): Define. (NetGetAnyDCName): Define. * security.cc: Include dsgetdc.h. (DsGetDcNameA): Declare. (DS_FORCE_REDISCOVERY): Define. (get_logon_server): Add bool parameter to control rediscovery of DC. Use DsGetDcNameA function if supported, NetGetDCName/NetGetAnyDCName otherwise. (get_server_groups): Rediscover DC if get_user_groups fails and try again. (get_reg_security): Use correct error code macro when testing RegGetKeySecurity return value. * security.h (get_logon_server): Remove default vaue from wserver parameter. Add rediscovery parameter. * uinfo.cc (cygheap_user::env_logsrv): Accomodate rediscovery parameter in call to get_logon_server.
This commit is contained in:
Corinna Vinschen
@ -28,6 +28,7 @@ details. */
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#include <ntsecapi.h>
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#include <subauth.h>
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#include <aclapi.h>
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#include <dsgetdc.h>
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#include "cygerrno.h"
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#include "security.h"
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#include "path.h"
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@ -208,13 +209,21 @@ close_local_policy (LSA_HANDLE &lsa)
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lsa = INVALID_HANDLE_VALUE;
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}
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/* CV, 2006-07-06: Missing in w32api. */
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extern "C" DWORD WINAPI DsGetDcNameA (LPCSTR, LPCSTR, GUID *, LPCSTR, ULONG,
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PDOMAIN_CONTROLLER_INFOA *);
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#define DS_FORCE_REDISCOVERY 1
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bool
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get_logon_server (const char *domain, char *server, WCHAR *wserver)
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get_logon_server (const char *domain, char *server, WCHAR *wserver,
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bool rediscovery)
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{
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WCHAR wdomain[INTERNET_MAX_HOST_NAME_LENGTH + 1];
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NET_API_STATUS ret;
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DWORD dret;
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PDOMAIN_CONTROLLER_INFOA pci;
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NET_API_STATUS nret;
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WCHAR *buf;
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DWORD size = INTERNET_MAX_HOST_NAME_LENGTH + 1;
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WCHAR wdomain[size];
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/* Empty domain is interpreted as local system */
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if ((GetComputerName (server + 2, &size)) &&
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@ -226,18 +235,37 @@ get_logon_server (const char *domain, char *server, WCHAR *wserver)
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return true;
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}
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/* Try to get the primary domain controller for the domain */
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sys_mbstowcs (wdomain, domain, INTERNET_MAX_HOST_NAME_LENGTH + 1);
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if ((ret = NetGetDCName (NULL, wdomain, (LPBYTE *) &buf)) == STATUS_SUCCESS)
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/* Try to get any available domain controller for this domain */
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dret = DsGetDcNameA (NULL, domain, NULL, NULL,
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rediscovery ? DS_FORCE_REDISCOVERY : 0, &pci);
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if (dret == ERROR_SUCCESS)
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{
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sys_wcstombs (server, INTERNET_MAX_HOST_NAME_LENGTH + 1, buf);
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if (wserver)
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for (WCHAR *ptr1 = buf; (*wserver++ = *ptr1++);)
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;
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NetApiBufferFree (buf);
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strcpy (server, pci->DomainControllerName);
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sys_mbstowcs (wserver, server, INTERNET_MAX_HOST_NAME_LENGTH + 1);
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NetApiBufferFree (pci);
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debug_printf ("DC: rediscovery: %d, server: %s", rediscovery, server);
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return true;
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}
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__seterrno_from_win_error (ret);
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else if (dret == ERROR_PROC_NOT_FOUND)
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{
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/* NT4 w/o DSClient */
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sys_mbstowcs (wdomain, domain, INTERNET_MAX_HOST_NAME_LENGTH + 1);
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if (rediscovery)
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nret = NetGetAnyDCName (NULL, wdomain, (LPBYTE *) &buf);
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else
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nret = NetGetDCName (NULL, wdomain, (LPBYTE *) &buf);
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if (nret == NERR_Success)
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{
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sys_wcstombs (server, INTERNET_MAX_HOST_NAME_LENGTH + 1, buf);
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if (wserver)
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for (WCHAR *ptr1 = buf; (*wserver++ = *ptr1++);)
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;
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NetApiBufferFree (buf);
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debug_printf ("NT: rediscovery: %d, server: %s", rediscovery, server);
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return true;
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}
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}
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__seterrno_from_win_error (nret);
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return false;
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}
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@ -473,7 +501,11 @@ get_token_group_sidlist (cygsidlist &grp_list, PTOKEN_GROUPS my_grps,
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grp_list += well_known_network_sid;
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if (sid_in_token_groups (my_grps, well_known_batch_sid))
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grp_list += well_known_batch_sid;
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if (sid_in_token_groups (my_grps, well_known_interactive_sid))
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/* This is a problem on 2K3 (only domain controllers?!?) which only
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enables tools for selected special groups. A subauth token is
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only NETWORK, but NETWORK has no access to these tools. Therefore
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we always add INTERACTIVE here. */
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/*if (sid_in_token_groups (my_grps, well_known_interactive_sid))*/
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grp_list += well_known_interactive_sid;
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if (sid_in_token_groups (my_grps, well_known_service_sid))
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grp_list += well_known_service_sid;
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@ -485,11 +517,13 @@ get_token_group_sidlist (cygsidlist &grp_list, PTOKEN_GROUPS my_grps,
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}
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if (get_ll (auth_luid) != 999LL) /* != SYSTEM_LUID */
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{
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char buf[64];
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__small_sprintf (buf, "S-1-5-5-%u-%u", auth_luid.HighPart,
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auth_luid.LowPart);
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grp_list += buf;
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auth_pos = grp_list.count - 1;
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for (DWORD i = 0; i < my_grps->GroupCount; ++i)
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if (my_grps->Groups[i].Attributes & SE_GROUP_LOGON_ID)
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{
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grp_list += my_grps->Groups[i].Sid;
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auth_pos = grp_list.count - 1;
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break;
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}
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}
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}
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@ -511,7 +545,9 @@ get_server_groups (cygsidlist &grp_list, PSID usersid, struct passwd *pw)
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grp_list += well_known_world_sid;
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grp_list += well_known_authenticated_users_sid;
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extract_nt_dom_user (pw, domain, user);
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if (get_logon_server (domain, server, wserver))
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if (get_logon_server (domain, server, wserver, false)
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&& !get_user_groups (wserver, grp_list, user, domain)
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&& get_logon_server (domain, server, wserver, true))
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get_user_groups (wserver, grp_list, user, domain);
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get_unix_group_sidlist (pw, grp_list);
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return get_user_local_groups (grp_list, usersid);
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@ -780,7 +816,8 @@ done:
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}
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HANDLE
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create_token (cygsid &usersid, user_groups &new_groups, struct passwd *pw)
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create_token (cygsid &usersid, user_groups &new_groups, struct passwd *pw,
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HANDLE subauth_token)
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{
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NTSTATUS ret;
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LSA_HANDLE lsa = INVALID_HANDLE_VALUE;
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@ -803,7 +840,7 @@ create_token (cygsid &usersid, user_groups &new_groups, struct passwd *pw)
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TOKEN_STATISTICS stats;
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memcpy (source.SourceName, "Cygwin.1", 8);
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source.SourceIdentifier.HighPart = 0;
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source.SourceIdentifier.LowPart = 0x0101;
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source.SourceIdentifier.LowPart = (subauth_token ? 0x0102 : 0x0101);
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HANDLE token = INVALID_HANDLE_VALUE;
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HANDLE primary_token = INVALID_HANDLE_VALUE;
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@ -824,33 +861,60 @@ create_token (cygsid &usersid, user_groups &new_groups, struct passwd *pw)
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owner.Owner = usersid;
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/* Retrieve authentication id and group list from own process. */
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if (hProcToken)
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HANDLE get_token;
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if (subauth_token)
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{
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debug_printf ("get_token = subauth_token");
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get_token = subauth_token;
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}
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else
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{
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debug_printf ("get_token = hProcToken");
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get_token = hProcToken;
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}
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if (get_token)
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{
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/* Switching user context to SYSTEM doesn't inherit the authentication
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id of the user account running current process. */
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if (usersid != well_known_system_sid)
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if (!GetTokenInformation (hProcToken, TokenStatistics,
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if (!GetTokenInformation (get_token, TokenStatistics,
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&stats, sizeof stats, &size))
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debug_printf
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("GetTokenInformation(hProcToken, TokenStatistics), %E");
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("GetTokenInformation(get_token, TokenStatistics), %E");
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else
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auth_luid = stats.AuthenticationId;
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/* Retrieving current processes group list to be able to inherit
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some important well known group sids. */
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if (!GetTokenInformation (hProcToken, TokenGroups, NULL, 0, &size) &&
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GetLastError () != ERROR_INSUFFICIENT_BUFFER)
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debug_printf ("GetTokenInformation(hProcToken, TokenGroups), %E");
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if (!GetTokenInformation (get_token, TokenGroups, NULL, 0, &size)
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&& GetLastError () != ERROR_INSUFFICIENT_BUFFER)
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debug_printf ("GetTokenInformation(get_token, TokenGroups), %E");
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else if (!(my_tok_gsids = (PTOKEN_GROUPS) malloc (size)))
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debug_printf ("malloc (my_tok_gsids) failed.");
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else if (!GetTokenInformation (hProcToken, TokenGroups, my_tok_gsids,
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else if (!GetTokenInformation (get_token, TokenGroups, my_tok_gsids,
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size, &size))
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{
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debug_printf ("GetTokenInformation(hProcToken, TokenGroups), %E");
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debug_printf ("GetTokenInformation(get_token, TokenGroups), %E");
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free (my_tok_gsids);
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my_tok_gsids = NULL;
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}
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}
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if (subauth_token)
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{
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if (!GetTokenInformation (subauth_token, TokenPrivileges, NULL, 0, &size)
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&& GetLastError () != ERROR_INSUFFICIENT_BUFFER)
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debug_printf ("GetTokenInformation(subauth_token, TokenPrivileges), %E");
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else if (!(privs = (PTOKEN_PRIVILEGES) malloc (size)))
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debug_printf ("malloc (privs) failed.");
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else if (!GetTokenInformation (subauth_token, TokenPrivileges, privs,
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size, &size))
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{
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debug_printf ("GetTokenInformation(subauth_token, TokenPrivileges), %E");
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free (privs);
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privs = NULL;
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}
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}
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/* Create list of groups, the user is member in. */
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int auth_pos;
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@ -878,7 +942,7 @@ create_token (cygsid &usersid, user_groups &new_groups, struct passwd *pw)
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new_tok_gsids->Groups[auth_pos].Attributes |= SE_GROUP_LOGON_ID;
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/* Retrieve list of privileges of that user. */
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if (!(privs = get_priv_list (lsa, usersid, tmp_gsids)))
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if (!privs && !(privs = get_priv_list (lsa, usersid, tmp_gsids)))
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goto out;
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/* Let's be heroic... */
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@ -1299,7 +1363,7 @@ get_reg_security (HANDLE handle, security_descriptor &sd_ret)
|
||||
| OWNER_SECURITY_INFORMATION,
|
||||
sd_ret, &len);
|
||||
}
|
||||
if (ret != STATUS_SUCCESS)
|
||||
if (ret != ERROR_SUCCESS)
|
||||
{
|
||||
__seterrno ();
|
||||
return -1;
|
||||
|
||||
Reference in New Issue
Block a user