smbd/ntquotas.c

ソースコードを見る。

関数
static SMB_BIG_UINT	limit_nt2unix (SMB_BIG_UINT in, SMB_BIG_UINT bsize)
static SMB_BIG_UINT	limit_unix2nt (SMB_BIG_UINT in, SMB_BIG_UINT bsize)
static SMB_BIG_UINT	limit_blk2inodes (SMB_BIG_UINT in)
int	vfs_get_ntquota (files_struct *fsp, enum SMB_QUOTA_TYPE qtype, DOM_SID *psid, SMB_NTQUOTA_STRUCT *qt)
int	vfs_set_ntquota (files_struct *fsp, enum SMB_QUOTA_TYPE qtype, DOM_SID *psid, SMB_NTQUOTA_STRUCT *qt)
static BOOL	allready_in_quota_list (SMB_NTQUOTA_LIST *qt_list, uid_t uid)
int	vfs_get_user_ntquota_list (files_struct *fsp, SMB_NTQUOTA_LIST **qt_list)
void *	init_quota_handle (TALLOC_CTX *mem_ctx)
void	destroy_quota_handle (void **pqt_handle)

---

関数

static SMB_BIG_UINT limit_nt2unix	(	SMB_BIG_UINT	in,
		SMB_BIG_UINT	bsize
	)			[static]

ntquotas.c の 26 行で定義されています。

参照元 vfs_set_ntquota().

{
        SMB_BIG_UINT ret = (SMB_BIG_UINT)0;

        ret =   (SMB_BIG_UINT)(in/bsize);
        if (in>0 && ret==0) {
                /* we have to make sure that a overflow didn't set NO_LIMIT */
                ret = (SMB_BIG_UINT)1;
        }

        if (in == SMB_NTQUOTAS_NO_LIMIT)
                ret = SMB_QUOTAS_NO_LIMIT;
        else if (in == SMB_NTQUOTAS_NO_SPACE)
                ret = SMB_QUOTAS_NO_SPACE;
        else if (in == SMB_NTQUOTAS_NO_ENTRY)
                ret = SMB_QUOTAS_NO_LIMIT;

        return ret;
}

static SMB_BIG_UINT limit_unix2nt	(	SMB_BIG_UINT	in,
		SMB_BIG_UINT	bsize
	)			[static]

ntquotas.c の 46 行で定義されています。

参照元 vfs_get_ntquota().

{
        SMB_BIG_UINT ret = (SMB_BIG_UINT)0;

        ret = (SMB_BIG_UINT)(in*bsize);
        
        if (ret < in) {
                /* we overflow */
                ret = SMB_NTQUOTAS_NO_LIMIT;
        }

        if (in == SMB_QUOTAS_NO_LIMIT)
                ret = SMB_NTQUOTAS_NO_LIMIT;

        return ret;
}

static SMB_BIG_UINT limit_blk2inodes

(

SMB_BIG_UINT

in

)

[static]

ntquotas.c の 63 行で定義されています。

参照元 vfs_set_ntquota().

{
        SMB_BIG_UINT ret = (SMB_BIG_UINT)0;
        
        ret = (SMB_BIG_UINT)(in/2);
        
        if (ret == 0 && in != 0)
                ret = (SMB_BIG_UINT)1;

        return ret;     
}

int vfs_get_ntquota	(	files_struct *	fsp,
		enum SMB_QUOTA_TYPE	qtype,
		DOM_SID *	psid,
		SMB_NTQUOTA_STRUCT *	qt
	)

ntquotas.c の 75 行で定義されています。

参照先 files_struct::conn・D・_SMB_NTQUOTA_STRUCT::hardlim・id・limit_unix2nt()・_SMB_NTQUOTA_STRUCT::qflags・_SMB_NTQUOTA_STRUCT::sid・sid_string_static()・sid_to_uid()・_SMB_NTQUOTA_STRUCT::softlim・_SMB_NTQUOTA_STRUCT::usedspace.

参照元 call_nt_transact_get_user_quota()・call_trans2qfsinfo()・vfs_get_user_ntquota_list().

{
        int ret;
        SMB_DISK_QUOTA D;
        unid_t id;

        ZERO_STRUCT(D);

        if (!fsp||!fsp->conn||!qt)
                return (-1);

        ZERO_STRUCT(*qt);

        id.uid = -1;

        if (psid && !sid_to_uid(psid, &id.uid)) {
                DEBUG(0,("sid_to_uid: failed, SID[%s]\n",
                        sid_string_static(psid)));      
        }

        ret = SMB_VFS_GET_QUOTA(fsp->conn, qtype, id, &D);

        if (psid)
                qt->sid    = *psid;

        if (ret!=0) {
                return ret;
        }
                
        qt->usedspace = (SMB_BIG_UINT)D.curblocks*D.bsize;
        qt->softlim = limit_unix2nt(D.softlimit, D.bsize);
        qt->hardlim = limit_unix2nt(D.hardlimit, D.bsize);
        qt->qflags = D.qflags;

        
        return 0;
}

int vfs_set_ntquota	(	files_struct *	fsp,
		enum SMB_QUOTA_TYPE	qtype,
		DOM_SID *	psid,
		SMB_NTQUOTA_STRUCT *	qt
	)

ntquotas.c の 113 行で定義されています。

参照先 files_struct::conn・D・_SMB_NTQUOTA_STRUCT::hardlim・id・limit_blk2inodes()・limit_nt2unix()・_SMB_NTQUOTA_STRUCT::qflags・sid_string_static()・sid_to_uid()・_SMB_NTQUOTA_STRUCT::softlim.

参照元 call_nt_transact_set_user_quota()・call_trans2setfsinfo().

{
        int ret;
        SMB_DISK_QUOTA D;
        unid_t id;
        ZERO_STRUCT(D);

        if (!fsp||!fsp->conn||!qt)
                return (-1);

        id.uid = -1;

        D.bsize     = (SMB_BIG_UINT)QUOTABLOCK_SIZE;

        D.softlimit = limit_nt2unix(qt->softlim,D.bsize);
        D.hardlimit = limit_nt2unix(qt->hardlim,D.bsize);
        D.qflags     = qt->qflags;

        D.isoftlimit = limit_blk2inodes(D.softlimit);
        D.ihardlimit = limit_blk2inodes(D.hardlimit);

        if (psid && !sid_to_uid(psid, &id.uid)) {
                DEBUG(0,("sid_to_uid: failed, SID[%s]\n",
                        sid_string_static(psid)));      
        }

        ret = SMB_VFS_SET_QUOTA(fsp->conn, qtype, id, &D);
        
        return ret;
}

static BOOL allready_in_quota_list	(	SMB_NTQUOTA_LIST *	qt_list,
		uid_t	uid
	)			[static]

ntquotas.c の 144 行で定義されています。

参照先 _SMB_NTQUOTA_LIST::next・_SMB_NTQUOTA_LIST::uid.

参照元 vfs_get_user_ntquota_list().

{
        SMB_NTQUOTA_LIST *tmp_list = NULL;
        
        if (!qt_list)
                return False;

        for (tmp_list=qt_list;tmp_list!=NULL;tmp_list=tmp_list->next) {
                if (tmp_list->uid == uid) {
                        return True;    
                }
        }

        return False;
}

int vfs_get_user_ntquota_list	(	files_struct *	fsp,
		SMB_NTQUOTA_LIST **	qt_list
	)

ntquotas.c の 160 行で定義されています。

参照先 allready_in_quota_list()・files_struct::conn・connection_struct::connectpath・_SMB_NTQUOTA_LIST::mem_ctx・_SMB_NTQUOTA_LIST::quotas・sid_string_static()・SMB_USER_QUOTA_TYPE・sys_endpwent()・sys_getpwent()・sys_setpwent()・talloc_init()・_SMB_NTQUOTA_LIST::uid・uid_to_sid()・vfs_get_ntquota().

参照元 call_nt_transact_get_user_quota().

{
        struct passwd *usr;
        TALLOC_CTX *mem_ctx = NULL;

        if (!fsp||!fsp->conn||!qt_list)
                return (-1);

        *qt_list = NULL;

        if ((mem_ctx=talloc_init("SMB_USER_QUOTA_LIST"))==NULL) {
                DEBUG(0,("talloc_init() failed\n"));
                return (-1);
        }

        sys_setpwent();
        while ((usr = sys_getpwent()) != NULL) {
                SMB_NTQUOTA_STRUCT tmp_qt;
                SMB_NTQUOTA_LIST *tmp_list_ent;
                DOM_SID sid;

                ZERO_STRUCT(tmp_qt);

                if (allready_in_quota_list((*qt_list),usr->pw_uid)) {
                        DEBUG(5,("record for uid[%ld] allready in the list\n",(long)usr->pw_uid));
                        continue;
                }

                uid_to_sid(&sid, usr->pw_uid);

                if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &tmp_qt)!=0) {
                        DEBUG(5,("no quota entry for sid[%s] path[%s]\n",
                                sid_string_static(&sid),fsp->conn->connectpath));
                        continue;
                }

                DEBUG(15,("quota entry for id[%s] path[%s]\n",
                        sid_string_static(&sid),fsp->conn->connectpath));

                if ((tmp_list_ent=TALLOC_ZERO_P(mem_ctx,SMB_NTQUOTA_LIST))==NULL) {
                        DEBUG(0,("TALLOC_ZERO() failed\n"));
                        *qt_list = NULL;
                        talloc_destroy(mem_ctx);
                        return (-1);
                }

                if ((tmp_list_ent->quotas=TALLOC_ZERO_P(mem_ctx,SMB_NTQUOTA_STRUCT))==NULL) {
                        DEBUG(0,("TALLOC_ZERO() failed\n"));
                        *qt_list = NULL;
                        talloc_destroy(mem_ctx);
                        return (-1);
                }

                tmp_list_ent->uid = usr->pw_uid;
                memcpy(tmp_list_ent->quotas,&tmp_qt,sizeof(tmp_qt));
                tmp_list_ent->mem_ctx = mem_ctx;

                DLIST_ADD((*qt_list),tmp_list_ent);
                
        }
        sys_endpwent();

        return 0;
}

void* init_quota_handle

(

TALLOC_CTX *

mem_ctx

)

ntquotas.c の 225 行で定義されています。

{
        SMB_NTQUOTA_HANDLE *qt_handle;

        if (!mem_ctx)
                return False;

        qt_handle = TALLOC_ZERO_P(mem_ctx,SMB_NTQUOTA_HANDLE);
        if (qt_handle==NULL) {
                DEBUG(0,("TALLOC_ZERO() failed\n"));
                return NULL;
        }

        return (void *)qt_handle;       
}

void destroy_quota_handle

(

void **

pqt_handle

)

ntquotas.c の 241 行で定義されています。

参照先 free_ntquota_list()・_SMB_NTQUOTA_HANDLE::quota_list・_SMB_NTQUOTA_HANDLE::tmp_list.

{
        SMB_NTQUOTA_HANDLE *qt_handle = NULL;
        if (!pqt_handle||!(*pqt_handle))
                return;
        
        qt_handle = (SMB_NTQUOTA_HANDLE *)(*pqt_handle);
        
        
        if (qt_handle->quota_list)
                free_ntquota_list(&qt_handle->quota_list);

        qt_handle->quota_list = NULL;
        qt_handle->tmp_list = NULL;
        qt_handle = NULL;

        return;
}

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