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Bump GPLv2+ to GPLv3+ for some files, clarify BSD 2-clause.
Everything else stays under GPLv3+.
New Linking Exception exempts resulting executables from LGPLv3 section 4.
Add CONTRIBUTORS file to keep track of licensing.
Remove 'Copyright Red Hat Inc' comments.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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The available specifications obviously differ on 32-bit and 64-bit, as
already handled in <sys/features.h>.
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
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Don't use obsolete LIB_AC_PROG_CC.
Run autoupdate.
winsup/ChangeLog:
doc/aclocal.m4: delete
lsaauth/aclocal.m4: ditto
doc/configure.ac: refactor and update
lsaauth/configure.ac: ditto
utils/configure.ac: ditto
doc/configure: regenerate
lsaauth/configure: regenerate
utils/configure: regenerate
Signed-off-by: Peter Foley <pefoley2@pefoley.com>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Cygwin_props have been invented to allow switching off the unique
installation keys in the first place, supposedly for debugging.
This never really was a good idea, after all we *want* the installations
to be independent and there's no good reason to break that, not even
for debugging purposes.
Other than that, cygwin_props were meant to be used for some other global
settings which never took place. There's just no good reason to tweak
the DLL binary invisibly where a setting could be done in a file or the
environment.
This patch removes the cygwin_props entirely, including the related
settings in cygcheck.
cygwin:
* cygprops.h: Remove file.
* globals.cc (cygwin_props): Remove.
* cygheap.cc (init_cygheap::init_installation_root): Drop removing
installation key.
utils:
* cygcheck.cc: Drop including cygprops.h. Remove now unused option
values.
(unique_object_name_opt): Remove.
(handle_unique_object_name): Remove function.
(usage): Remove text for unique-object-names options.
(longopts): Remove unique-object-names options.
(main): Drop handling unique-object-names options.
doc:
* utils.xml (cygcheck): Remove text for unique-object-names options.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* ssp.c (lookup_thread_id): Consistently check if tix is a null
pointer.
(run_program): Annotate that STATUS_BREAKPOINT falls-through to
STATUS_SINGLE_STEP case.
(main): Guard against high_pc-low_pc overflow and malloc failure.
Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
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* Makefile.in (DLL_OFILES): Add sec_posixacl.o.
(SUBLIBS): Add libacl.a
(libacl.a): New rule to create libacl.a.
* common.din: Export POSIX ACL functions as well as most libacl.a
extensions.
* fhandler.h (fhander_base::acl_get): New prototype.
(fhander_base::acl_set): Ditto.
(fhandler_disk_file::acl_get): Ditto.
(fhandler_disk_file::acl_set): Ditto.
* include/acl/libacl.h: New file.
* include/cygwin/version.h: Bump API minor version.
* include/sys/acl.h: Drop including cygwin/acl.h. Accommodate
throughout Cygwin. Add POSIX ACL definitions.
* sec_acl.cc: Include sec_posixacl.h. Replace ILLEGAL_UID and
ILLEGAL_GID with ACL_UNDEFINED_ID where sensible.
(__aclcheck): New internal acl check function to be used for
Solaris and POSIX ACLs.
(aclcheck32): Call __aclcheck.
(__aclcalcmask): New function to compute ACL_MASK value.
(__aclsort): New internal acl sort function to be used for Solaris
and POSIX ACLs.
(aclsort32): Call __aclsort.
(permtostr): Work directly on provided buffer.
(__acltotext): New internal acltotext function to be used for
Solaris and POSIX ACLs.
(acltotext32): Call __acltotext.
(__aclfromtext): New internal aclfromtext function to be used for
Solaris and POSIX ACLs.
(aclfromtext32): Call __aclfromtext.
* sec_posixacl.cc: New file implemeting POSIX ACL functions.
* sec_posixacl.h: New internal header.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Fix various 32/64-bit portability issues in ssp, the single-step profiler, and
also build it for 64-bit.
This didn't turn out to actually be very useful for what I wanted to use it for,
so it's only been lightly tested.
It appears that on x86_64, single-step exceptions occur for much more of the
code in system DLLs, unlike x86, so ssp may take much, much longer to profile
some programs. There is existing code to use breakpoints to mitigate this, but
that is currently disabled.
Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
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On Cygwin 32 running under WOW64:
When case-correcting the path fetched with -S, the underlying
Windows function fetching the normalized path returns the real
path C:\Windows\SysWOW64 instead of the path redirection
enabled C:\Windows\System32 path. This breaks using the result
of `cygpath -S' to fetch the POSIX path of the network related
files under SYSTEMROOT\drivers\etc. This path is in fact under
the *real* C:\Windows\System32 and only mapped into the 32 bit
C:\Windows\System32 (aka C:\Windows\SysWOW64) via path redirection.
Sounds messy?
This patch checks if we're running under WOW64. If so, it
changes the path returned by GetSystemDirectoryW from "system32"
to "Sysnative". This in turn is changed to "System32" by
NtQueryInformationFile, so we're back to what we need.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* cygpath.cc (do_sysfolders): Drop lame workaround to fix case of
directory returned by GetSystemDirectoryW. Try to fix case of
any path returned by this function in case it has to return a
POSIX path to support case-sensitivity.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* setfacl.cc (delacl): Remove unused local variable.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* setfacl.cc (delace): New helper function to delete a single ACE.
(delacl): Call delace.
(modacl): Ditto, if entry is supposed to get deleted. Align comments.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* setfacl.cc (modacl): Move recomputing mask into new function.
(check_got_mask): New function checking if mask is in input.
(recompute_mask): New function to recompute mask.
(addmissing): Align mask computation to Linux setfacl.
(setfacl): Call check_got_mask and recompute_mask on Set, Delete and
Modify actions.
(usage): Rename --substitute to --set.
(longopts): Add --set option.
* utils.xml (setfacl): Rename --substitute to --set.
* new-features.xml (ov-new2.4): Rephrase setfacl changes.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* setfacl.cc (longopts): Drop accidentally requiring an argument to
the --mask and --no-mask options.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* setfacl.cc (opts): Add colon to x option.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* include/sys/cygwin.h (CCP_PROC_CYGDRIVE): New flag.
* mount.cc (mount_info::cygdrive_posix_path): Take flag values rather
than just a trailing_slash_p bool. Emit /proc/cygdrive path if
CCP_PROC_CYGDRIVE flag is given.
(mount_info::conv_to_posix_path): Take flag values rather than just
a keep_rel_p bool. Rename _p variables. Print flag value as hex in
debug_printf. Call cygdrive_posix_path with flag values.
* mount.h (mount_info::cygdrive_posix_path): Accommodate above change
in declaration.
(mount_info::conv_to_posix_path): Ditto.
* fhandler_process.cc (format_process_exename): Accommodate change to
mount_info::conv_to_posix_path.
* path.cc (cygwin_conv_path): Ditto.
* cygpath.cc (absolute_flag): Initialize to CCP_RELATIVE to simplify
expressions.
(cygdrive_flag): New global flag.
(long_options): Add --proc-cygdrive option.
(options): Add -U option.
(usage): Add description for -U option.
(do_sysfolders): Or cygdrive_flag to cygwin_conv_path call.
(do_pathconv): Simply or absolute_flag to conv_func. Or
cygdrive_flag to conv_func.
(do_options): Initalize absolute_flag to CCP_RELATIVE. Initialize new
cygdrive_flag. Set absolute_flag to CCP_ABSOLUTE on -a. Set
cygdrive_flag to CCP_PROC_CYGDRIVE on -U.
* new-features.xml (ov-new2.4): Document cygpath -U option.
* utils.xml (cygpath): Ditto.
* path.xml (func-cygwin-path): Add CCP_PROC_CYGDRIVE description.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* kill.cc (strsigno): Don't call sys_sigabbrev for signal 0.
(listsig): Don't call strsigno for signal 0.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* setfacl.c (action_t): Rename DeleteAll to DeleteExt. Add
DeleteAll. Rearrange for bit-wise testing later in the code.
(delallacl): Handle -b -k combination.
(setfacl): Handle DeleteExt/DeleteAll.
(usage): Fix -b/-k output. Rearrange output to better fill 80
columns.
(main): Allow to combine -b and -k.
* utils.xml (setfacl): Accommodate -b/-k change.
* new-features.xml (ov-new2.3): Add setfacl -b/-k change.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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- New, unified implementation of POSIX permission and ACL handling. The
new ACLs now store the POSIX ACL MASK/CLASS_OBJ permission mask, and
they allow to inherit the S_ISGID bit. ACL inheritance now really
works as desired, in a limited, but theoretically equivalent fashion
even for non-Cygwin processes.
To accommodate Windows default ACLs, the new code ignores SYSTEM and
Administrators group permissions when computing the MASK/CLASS_OBJ
permission mask on old ACLs, and it doesn't deny access to SYSTEM and
Administrators group based on the value of MASK/CLASS_OBJ when
creating the new ACLs.
The new code now handles the S_ISGID bit on directories as on Linux:
Setting S_ISGID on a directory causes new files and subdirs created
within to inherit its group, rather than the primary group of the user
who created the file. This only works for files and directories
created by Cygwin processes.
2015-05-29 Corinna Vinschen <corinna@vinschen.de>
Reapply POSIX ACL changes.
* utils.xml (setfacl): Show new option output.
(getfacl): Show new option output.
* sec_acl.cc (get_posix_access): Check for Cygwin "standard" ACL.
Apply umask, if so. Align comments.
* security.cc (set_created_file_access): Fix permission masking by
incoming requested file mode.
* sec_acl.cc (set_posix_access): Apply mask only in terms of execute bit
for SYSTEM and Admins group.
* sec_acl.cc (set_posix_access): Don't create DENY ACEs for USER and
GROUP entries if they are the same as USER_OBJ or GROUP_OBJ.
* fhandler.h (fhandler_pty_slave::facl): Add prototype.
* fhandler_tty.cc (fhandler_pty_slave::facl): New method.
(fhandler_pty_slave::fchown): Fix uid/gid handling.
* sec_acl.cc (set_posix_access): Drop superfluous class_idx variable.
Simplify and move around code in a few places. To improve ACL
readability, add r/w permissions to Admins ACE appended to pty ACL.
Add comment to explain Windows ACE Mask filtering being in the way of
creating a real CLASS_OBJ.
(get_posix_access): Fake CLASS_OBJ for ptys. Explain why.
* security.cc (get_object_attribute): Add S_IFCHR flag to attributes
when calling get_posix_access.
* sec_acl.cc (set_posix_access): Move merging group perms into owner
perms in case of owner == group after mask has been computed. Take
mask into account when doing so to avoid unnecessary ACCESS_DENIED_ACE.
* sec_acl.cc (get_posix_access): Only set saw_group_obj flag if we saw
the ACCESS_ALLOWED_ACE.
* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Deliberatly
set GROUP_OBJ and CLASS_OBJ perms to new group perms. Add comment
to explain why.
* security.cc (set_created_file_access): Ditto.
* sec_acl.cc (set_posix_access): Replace previous patch. Return
EINVAL if uid and/or guid is invalid and not backed by an actual
Windows account.
* sec_acl.cc (set_posix_access): Workaround owner/group SIDs being NULL.
* sec_acl.cc (set_posix_access): Handle files with owner == group.
Rephrase switch statement checking against unfiltered a_type value.
(get_posix_access): Handle files with owner == group.
* sec_acl.cc (get_posix_access): Don't use GROUP_OBJ access to fix up
CLASS_OBJ mask on old-style ACLs. Fix a comment.
* sec_acl.cc (set_posix_access): Always make sure Admins have
WRITE_DAC and WRITE_OWNER permissions.
* security.h (create_object_sd_from_attribute): Drop handle parameter
from prototype.
* security.cc (create_object_sd_from_attribute): Drop handle parameter.
Just create the standard POSIXy security descriptor.
(set_object_attribute): Accommodate dropped paramter in call to
create_object_sd_from_attribute.
* fhandler_tty.cc: Ditto, throughout.
* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Fix typo in
mask computation.
* fhandler.cc (fhandler_base::open_with_arch): Call open with mode
not umasked.
(fhandler_base::open): Explicitely umask mode on NFS here. Call new
set_created_file_access rather than set_file_attribute.
* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Reimplement
setting permissions on filesystems supporting ACLs using the new
set_posix_access call.
(fhandler_disk_file::fchown): Ditto.
(fhandler_disk_file::mkdir): Call new set_created_file_access rather
than set_file_attribute.
* fhandler_socket.cc (fhandler_socket::bind): Don't umask here. Add
WRITE_OWNER access to allow writing group in case of SGID bit set.
Call new set_created_file_access rather than set_file_attribute.
* path.cc (symlink_worker): Call new set_created_file_access rather
than set_file_attribute.
* sec_acl.cc (searchace): Un-staticize.
(set_posix_access): New, complementary functionality to
get_posix_access.
(setacl): Implement in terms of get_posix_access/set_posix_access.
(get_posix_access): Add handling for just created files requiring
their first Cygwin ACL. Fix new_style recognition. Handle SGID
bit. For old-style ACLs, ignore SYSTEM and Administrators when
computing the {DEF_}CLASS_OBJ perms.
* security.cc (get_file_sd): Revamp comment. Change and (hopefully)
speed up inheritance processing for just created files.
(alloc_sd): Remove.
(set_security_attribute): Call set_posix_access instead of alloc_sd.
(get_object_attribute): Fix return value.
(create_object_sd_from_attribute): Call set_posix_access instead of
alloc_sd.
(set_file_attribute): Remove.
(set_created_file_access): New function implemented in terms of
get_posix_access/set_posix_access.
* security.h (set_file_attribute): Remove prototype.
(set_created_file_access): Add prototype.
(searchace): Ditto.
(set_posix_access): Ditto.
* syscalls.cc (open): Call open_with_arch with mode not umasked.
* sec_acl.cc: Change preceeding comment explaining new-style ACLs.
Describe how to generate deny ACEs in more detail. Accommodate the
fact that a NULL deny ACE is used for {DEF_}CLASS_OBJ, rather than
a special Cygwin ACE. Improve further comments.
(CYG_ACE_NEW_STYLE): Define.
(get_posix_access): Change from Cygwin ACE to NULL deny ACE. Fix
CLASS_OBJ handling to generate CLASS_OBJ and DEF_CLASS_OBJ from a single
NULL deny ACE if the inheritance flags say so.
* sec_helper.cc (well_known_cygwin_sid): Remove.
* security.h (well_known_cygwin_sid): Drop declaration.
* sec_acl.cc (CYG_ACE_ISBITS_TO_WIN): Fix typo.
(get_posix_access): Rename index variable from i to idx. Define only
once at top level.
* security.cc (add_access_allowed_ace): Drop unused parameter "offset".
Accommodate throughout.
(add_access_denied_ace): Ditto.
* sec_acl.cc: Accommodate above change throughout.
* security.h (add_access_allowed_ace): Adjust prototype to above change.
(add_access_denied_ace): Ditto.
* sec_acl.cc (get_posix_access): Handle multiple ACEs for the
owner and primary group of the file. Handle the default primary
group ACE as DEF_GROUP_OBJ entry if the directory has the S_ISGID bit
set. Add comments. Minor code rearrangements.
Preliminary read side implementation of new permission handling.
* acl.h (MAX_ACL_ENTRIES): Raise to 2730. Add comment to explain.
* sec_acl.cc: Add leading comment to explain new ACL style.
Add definitions and macros to use for bits in new Cygwin ACL.
(DENY_RWX): New mask value for all temporary deny bits.
(getace): Add bool parameter to decide when leaving all bits intact,
rather than filtering them per the already set bits.
(get_posix_access): New function, taking over functionality to read
POSIX ACL from SECURITY_DESCRIPTOR.
(getacl): Just call get_posix_access.
* sec_helper.cc (well_known_cygwin_sid): Define.
* security.cc (get_attribute_from_acl): Remove.
(get_info_from_sd): Remove.
(get_reg_sd): Call get_posix_access instead of get_info_from_sd.
(get_file_attribute): Ditto.
(get_object_attribute): Ditto.
* security.h (well_known_cygwin_sid): Declare.
(get_posix_access): Add prototype.
* Throughout, use simpler ACE macros from Windows' accctrl.h.
* getfacl.c (main): Special-case SYSTEM and Admins group. Add comments.
* setfacl.c: Align more to Linux tool.
(delacl): New function to delete acl entries only.
(modacl): Drop delete functionality. Add handling of recomputing the
mask and default mask values.
(delallacl): Rename from delacl.
(setfacl): Call delacl in Delete case. Call delallacl in DeleteAll
and DeleteDef case.
(usage): Accommodate new options. Rearrange and rephrase slightly.
(longopts): Emit 'x' in --delete case. Add --no-mask and --mask
options.
(opts): Add -x and -n options.
(main): Handle -d and -x the same. Handle -n and --mask options.
Drop handling for -r option.
* getfacl.c (usage): Align more closely to Linux version. Add new
options -c, -e, -E. Change formatting to accommodate longer options.
(longopts): Rename --noname to --numeric. Keep --noname for backward
compatibility. Add --omit-header, --all-effective and --no-effective
options.
(opts): Add -c, -e and -E option.
(main): Handle new -c, -e, and -E options.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* getconf.c (conf_table): Add LEVEL*_CACHE_* variables.
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
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* cygcheck.cc (dump_sysinfo): Fix missing commas in products array.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* cygcheck.cc (load_cygwin): Only unload cygwin DLL if not running
under a debugger. Explain why.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* cygcheck.cc (dump_sysinfo): Correctly handle Windows 10/Server 2016.
Add missing product types.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* cygcheck.cc (track_down): Skip error output for "api-ms-win-"
downlevel DLLs.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Fix coverity CIDs 128250 - 128252
* strace.cc (main2): Don't call setvbuf on NULL descriptor.
Explicitely fclose ofile.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* cygtls.h: Include cygtls_padsize.h and define CYGTLS_PADSIZE there.
* cygtls_padsize.h: New file. Define CYGTLS_PADSIZE.
* environ.cc (parse_options): Fix NULL pointer access.
* init.cc (threadfunc_fe): Do not force stack align on x86_64.
* strace.cc (main2): Rename from main.
(main): Make room for _cygtls area on stack and just call main2. Add
comment to explain why.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* ldd.cc (STATUS_DLL_NOT_FOUND): Drop definition.
(report): Handle STATUS_ENTRYPOINT_NOT_FOUND exception. Explain why.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* tzset.c (main): Check timezone and country case-insensitive.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Not sure if this is wanted, but on a couple of occasions recently I have been
presented with strace output which contains an exception at an address in an
unknown module (i.e. not in the cygwin DLL or the main executable), so here is a
patch which adds some more information, including DLL load addresses, to help
interpret such straces.
v2:
Use NtQueryObject() for HANDLE -> filename conversion
Add new '-e' option to toggle this additional logging
2015-06-07 Jon Turney <jon.turney@dronecode.org.uk>
* strace.cc (proc_child): Log process and thread create and exit,
and DLL load and unload.
(GetFileNameFromHandle): New function.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
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* ps.cc (main): Widen UID field in long format to accommodate longer
UIDs since Cygwin 1.7.34. Remove Windows 2000 considerations. Fix
comments accordingly.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* path.cc (from_fstab_line): Don't convert slashes to backslashes for
bind mounts. Explain why.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* tzmap-from-unicode.org: Convert Calcutta to Kolkata.
* tzmap.h: Regenerate.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Align text to output of Linux tool.
(longopts): Add --access and --default options.
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throughout.
(enum_unix_groups): Introduce numeric_psid and rearrange code to avoid
potential heap corruption.
* mkpasswd.c: Ditto.
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files in any directory whose name contains "/postinstall/", not
just /etc/postinstall.
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(opts): Add -f option.
(restore_flags): New variable.
(usage): Clarify working of save action. Add restore action. Add
description for -f/--force option.
(set_privilege): Drop function. The Cygwin DLL is doing that anyway.
(cmd_save): Drop call to set_privilege.
(cmd_restore): New function.
(main): Handle -f/--force option.
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(delacl): Take new parameter to differe between DeleteAll and DeleteDef.
Extend conditional to handle DefaultDef. Change comment accordingly.
(setfacl): Call delacl in DefaultDef case as well.
(usage): Add and describe -k option. Add -k to require options.
(longopts): Add --remove-default option.
(opts): Add -k option.
(main): Handle -k option.
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* tzmap.h: Regenerate.
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* tzmap-from-unicode.org: New script to create tzmap.h.
* tzmap.h: New auto-generated file.
* tzset.c: Drop tzmap from here and include tzmap.h instead. Drop
Windows 2000 considerations.
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machine, too.
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machine, same as from DB.
* mkpasswd.c (enum_unix_users): Set pw_passwd field to '*'.
(enum_users): Ditto.
(main): Call enum_users with offset of 0x30000 for local machine,
same as from DB.
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user, try to fetch the DC to use as server.
(ChangePW): Get Windows username via extra parameter.
(usage): Reduce -d help text to reflect above change.
(main): Fix typo in comment. Call GetPW and ChangePW as per the
changes above.
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* mkpasswd.c (usage): Ditto.
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prefix.
(usage): Extend help output for -l option.
(main): Drop superfluous goto and label. Make machine prefixing for
local machine when using -l option dependend on options in
/etc/nsswitch.conf.
* mkpasswd.c: Ditto.
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for builtin accounts.
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