mirror of
git://sourceware.org/git/newlib-cygwin.git
synced 2025-01-15 11:00:04 +08:00
1f0f8e127c
(cygheap_root::~cygheap_root): Ditto.
(cygheap_root::operator=): Ditto.
(cygheap_user::~cygheap_user): Ditto.
(cygheap_user::set_name): Ditto.
(cygheap_user::set_logsrv): Ditto.
(cygheap_user::set_domain): Ditto.
(cygheap_user::set_sid): Ditto.
* cygheap.h (cygheap_root): New class.
(cygheap_user): Ditto.
(init_cygheap): Change type of `root' member to cygheap_root.
Add `user' member.
* dir.cc (opendir): Use new `cygheap_root' class.
* dcrt0.cc (dll_crt0_1): Use new `cygheap_user' class.
* fork.cc (fork_parent): Ditto.
* grp.cc (getgroups): Ditto.
* passwd.cc (search_for): Ditto.
* path.cc: Use new `cygheap_root' class throughout.
* pinfo.h (_pinfo): Remove `use_psid'. Move `username', `psid',
`logsrv', `domain', `orig_{uid,gid}' and `real_{uid,gid}' to
cygheap_user class.
* security.cc: Use new `cygheap_user' class throughout.
* shared.cc (sec_user): Ditto.
* sigproc.cc (proc_subproc): Remove copy statements for user
related information moved to `cygheap_user' class.
* spawn.cc (spawn_guts): Invalidate current chroot settings
when creating Windows environment. Use new `cygheap_user' class.
* syscalls.cc: Use new `cygheap_user' class throughout.
* uinfo.cc: Ditto.
* uinfo.cc (internal_getlogin): Change parameters to reflect the
move of user information to cygheap.
116 lines
2.9 KiB
C++
116 lines
2.9 KiB
C++
/* cygheap.h: Cygwin heap manager.
|
|
|
|
Copyright 2000 Cygnus Solutions.
|
|
|
|
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. */
|
|
|
|
#undef cfree
|
|
|
|
enum cygheap_types
|
|
{
|
|
HEAP_FHANDLER,
|
|
HEAP_STR,
|
|
HEAP_ARGV,
|
|
HEAP_BUF,
|
|
HEAP_1_START,
|
|
HEAP_1_STR,
|
|
HEAP_1_ARGV,
|
|
HEAP_1_BUF,
|
|
HEAP_1_EXEC,
|
|
HEAP_1_MAX = 100
|
|
};
|
|
|
|
#define CYGHEAPSIZE ((4000 * sizeof (fhandler_union)) + (2 * 65536))
|
|
|
|
#define incygheap(s) (cygheap && ((char *) (s) >= (char *) cygheap) && ((char *) (s) <= ((char *) cygheap_max)))
|
|
|
|
struct _cmalloc_entry
|
|
{
|
|
union
|
|
{
|
|
DWORD b;
|
|
char *ptr;
|
|
};
|
|
struct _cmalloc_entry *prev;
|
|
char data[0];
|
|
};
|
|
|
|
class cygheap_root
|
|
{
|
|
/* Root directory information.
|
|
This is used after a chroot is called. */
|
|
size_t rootlen;
|
|
char *root;
|
|
public:
|
|
cygheap_root (cygheap_root &nroot);
|
|
~cygheap_root ();
|
|
char *operator =(const char *new_root);
|
|
size_t length () const { return rootlen; }
|
|
const char *path () const { return root; }
|
|
};
|
|
|
|
class cygheap_user {
|
|
/* Extendend user information.
|
|
The information is derived from the internal_getlogin call
|
|
when on a NT system. */
|
|
char *pname; /* user's name */
|
|
char *plogsrv; /* Logon server, may be FQDN */
|
|
char *pdomain; /* Logon domain of the user */
|
|
PSID psid; /* buffer for user's SID */
|
|
|
|
public:
|
|
uid_t orig_uid; /* Remains intact even after impersonation */
|
|
uid_t orig_gid; /* Ditto */
|
|
uid_t real_uid; /* Remains intact on seteuid, replaced by setuid */
|
|
gid_t real_gid; /* Ditto */
|
|
|
|
cygheap_user () : pname (NULL), plogsrv (NULL), pdomain (NULL), psid (NULL) {}
|
|
~cygheap_user ();
|
|
|
|
void set_name (const char *new_name);
|
|
const char *name () const { return pname; }
|
|
|
|
void set_logsrv (const char *new_logsrv);
|
|
const char *logsrv () const { return plogsrv; }
|
|
|
|
void set_domain (const char *new_domain);
|
|
const char *domain () const { return pdomain; }
|
|
|
|
BOOL set_sid (PSID new_sid);
|
|
PSID sid () const { return psid; }
|
|
|
|
void operator =(cygheap_user &user)
|
|
{
|
|
set_name (user.name ());
|
|
set_logsrv (user.logsrv ());
|
|
set_domain (user.domain ());
|
|
set_sid (user.sid ());
|
|
}
|
|
};
|
|
|
|
struct init_cygheap
|
|
{
|
|
_cmalloc_entry *chain;
|
|
cygheap_root root;
|
|
cygheap_user user;
|
|
mode_t umask;
|
|
};
|
|
|
|
extern init_cygheap *cygheap;
|
|
extern void *cygheap_max;
|
|
|
|
extern "C" {
|
|
void __stdcall cfree (void *) __attribute__ ((regparm(1)));
|
|
void __stdcall cygheap_fixup_in_child (HANDLE, bool);
|
|
void *__stdcall cmalloc (cygheap_types, DWORD) __attribute__ ((regparm(2)));
|
|
void *__stdcall crealloc (void *, DWORD) __attribute__ ((regparm(2)));
|
|
void *__stdcall ccalloc (cygheap_types, DWORD, DWORD) __attribute__ ((regparm(3)));
|
|
char *__stdcall cstrdup (const char *) __attribute__ ((regparm(1)));
|
|
char *__stdcall cstrdup1 (const char *) __attribute__ ((regparm(1)));
|
|
void __stdcall cygheap_init ();
|
|
}
|