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2002-12-10 Pierre Humblet <pierre.humblet@ieee.org>

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* pwdgrp.h (pwdgrp_check::pwdgrp_state): Replace by
	pwdgrp_check::isinitializing ().
	(pwdgrp_check::isinitializing): Create.
	* passwd.cc (grab_int): Change type to unsigned, use strtoul and
	set the pointer content to 0 if the field is invalid.
	(parse_pwd): Move validity test after getting pw_gid.
	(read_etc_passwd): Replace "passwd_state <= " by
	passwd_state::isinitializing ().
	(internal_getpwuid): Ditto.
	(internal_getpwnam): Ditto.
	(getpwent): Ditto.
	(getpass): Ditto.
	* grp.cc (parse_grp): Use strtoul for gr_gid and verify the validity.
	(read_etc_group): Replace "group_state <= " by
	group_state::isinitializing ().
	(internal_getgrgid): Ditto.
	(getgrent32): Ditto.
	(internal_getgrent): Ditto.

2002-12-10  Pierre Humblet <pierre.humblet@ieee.org>

	* security.h: Move declarations of internal_getgrent,
	internal_getpwsid and internal_getgrsid to pwdgrp.h.
	* pwdgrp.h: Declare internal_getpwsid, internal_getpwnam,
	internal_getpwuid, internal_getgrsid, internal_getgrgid,
	internal_getgrnam, internal_getgrent and internal_getgroups.
	Delete "emulated" from enum pwdgrp_state.
	(pwdgrp_check::isuninitialized): Create.
	(pwdgrp_check::pwdgrp_state): Change state to initializing
	rather than to uninitialized.
	(pwdgrp_read::gets): Remove trailing CRs.
	* passwd.cc (grab_string): Don't look for NLs.
	(grab_int): Ditto.
	(parse_pwd): Don't look for CRs. Return 0 if entry is too short.
	(search_for): Delete.
	(read_etc_passwd): Simplify tests to actually read the file.
	Set state to loaded before making internal_getpwXX calls.
	Replace search_for calls by equivalent internal_pwgetXX calls.
	(internal_getpwsid): Use passwd_state.isuninitialized to decide
	to call read_etc_passwd.
	(internal_getpwuid): Create.
	(internal_getpwnam): Create.
	(getpwuid32): Simply call internal_getpwuid.
	(getpwuid_r32): Call internal_getpwuid.
	(getpwnam): Simply call internal_getpwnam.
	(getpwnam_r): Call internal_getpwnam.
	* grp.cc (parse_grp): Don't look for CRs. Adjust blank space.
	(add_grp_line): Adjust blank space.
	(class group_lock): Ditto.
	(read_etc_group): Simplify tests to actually read the file.
	Set state to loaded before making internal_getgrXX calls.
	Replace getgrXX calls by equivalent internal calls.
	(internal_getgrsid): Use group_state.isuninitialized to decide
	to call read_etc_group.
	(internal_getgrgid): Create.
	(internal_getgrnam): Create.
	(getgroups32): Simply call internal_getgrgid.
	(getgrnam32): Simply call internal_getgrnam.
	(internal_getgrent): Call group_state.isuninitialized.
	(internal_getgroups): Create from the former getgroups32, using
	two of the four arguments. Set gid to myself->gid and username
	to cygheap->user.name ().
	(getgroups32): Simply call internal_getgroup.
	(getgroups): Call internal_getgroup instead of getgroups32.
	(setgroups32): Call internal versions of get{pw,gr}XX.
	* sec_helper.cc: Include pwdgrp.h.
	(is_grp_member): Call internal versions of get{pw,gr}XX.
	* security.cc: Include pwdgrp.h.
	(alloc_sd): Call internal versions of get{pw,gr}XX.
	* syscalls.cc: Include pwdgrp.h.
	(seteuid32): Call internal versions of get{pw,gr}XX.
	(setegid32): Ditto.
	* uinfo.cc: Include pwdgrp.h.
	(internal_getlogin): Call internal versions of get{pw,gr}XX.
	(cygheap_user::ontherange): Ditto.
	* sec_acl.cc: Include pwdgrp.h.
	(setacl): Call internal versions of get{pw,gr}XX.
	(acl_access): Ditto and simplify logic.
	(aclfromtext): Ditto.
This commit is contained in:
Corinna Vinschen
2002-12-10 12:43:49 +00:00
parent 4b47fb2c3f
commit d6ffc07588
10 changed files with 258 additions and 195 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
winsup/cygwin/pwdgrp.h
View File

@ -10,10 +10,20 @@ This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
/* These functions are needed to allow searching and walking through
the passwd and group lists */
extern struct passwd *internal_getpwsid (cygsid &);
extern struct passwd *internal_getpwnam (const char *, BOOL = FALSE);
extern struct passwd *internal_getpwuid (__uid32_t, BOOL = FALSE);
extern struct __group32 *internal_getgrsid (cygsid &);
extern struct __group32 *internal_getgrgid (__gid32_t gid, BOOL = FALSE);
extern struct __group32 *internal_getgrnam (const char *, BOOL = FALSE);
extern struct __group32 *internal_getgrent (int);
int internal_getgroups (int, __gid32_t *);
enum pwdgrp_state {
uninitialized = 0,
initializing,
emulated,
loaded
};
@ -24,26 +34,34 @@ class pwdgrp_check {
public:
pwdgrp_check () : state (uninitialized) {}
operator pwdgrp_state ()
BOOL isinitializing ()
{
if (state != uninitialized && file_w32[0] && cygheap->etc_changed ())
{
HANDLE h;
WIN32_FIND_DATA data;
if ((h = FindFirstFile (file_w32, &data)) != INVALID_HANDLE_VALUE)
if (state <= initializing)
state = initializing;
else if (cygheap->etc_changed ())
{
if (!file_w32[0])
state = initializing;
else
{
if (CompareFileTime (&data.ftLastWriteTime, &last_modified) > 0)
state = uninitialized;
FindClose (h);
HANDLE h;
WIN32_FIND_DATA data;
if ((h = FindFirstFile (file_w32, &data)) != INVALID_HANDLE_VALUE)
{
if (CompareFileTime (&data.ftLastWriteTime, &last_modified) > 0)
state = initializing;
FindClose (h);
}
}
}
return state;
return state == initializing;
}
void operator = (pwdgrp_state nstate)
{
state = nstate;
}
BOOL isuninitialized () const { return state == uninitialized; }
void set_last_modified (HANDLE fh, const char *name)
{
if (!file_w32[0])
@ -101,7 +119,11 @@ public:
lptr = eptr;
eptr = strchr (lptr, '\n');
if (eptr)
*eptr++ = '\0';
{
if (eptr > lptr && *(eptr - 1) == '\r')
*(eptr - 1) = 0;
*eptr++ = '\0';
}
return lptr;
}
inline HANDLE get_fhandle () { return fh; }