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quotapvt.h revision 1.10 
      1 /*	$NetBSD: quotapvt.h,v 1.10 2012/01/25 17:43:37 dholland Exp $	*/
      2 /*-
      3  * Copyright (c) 2011 The NetBSD Foundation, Inc.
      4  * All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by David A. Holland.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     28  * POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #define QUOTA_MODE_NFS		1
     32 #define QUOTA_MODE_PROPLIB	2
     33 #define QUOTA_MODE_OLDFILES	3
     34 
     35 struct quotahandle {
     36 	char *qh_mountpoint;
     37 	char *qh_mountdevice;
     38 	int qh_mode;
     39 
     40 	/* these are used only by quota_oldfiles */
     41 	int qh_oldfilesopen;
     42 	int qh_userfile;
     43 	int qh_groupfile;
     44 
     45 	char spare[14*sizeof(char *) + 12 * sizeof(int)];
     46 };
     47 
     48 struct quotacursor {
     49 	struct quotahandle *qc_qh;
     50 	enum { QC_PROPLIB, QC_OLDFILES } qc_type;
     51 	union {
     52 		struct proplib_quotacursor *qc_proplib;
     53 		struct oldfiles_quotacursor *qc_oldfiles;
     54 	} u;
     55 };
     56 
     57 
     58 /* proplib kernel interface */
     59 int __quota_proplib_getversion(struct quotahandle *qh, int8_t *version_ret);
     60 const char *__quota_proplib_getimplname(struct quotahandle *);
     61 unsigned __quota_proplib_getnumidtypes(void);
     62 const char *__quota_proplib_idtype_getname(int idtype);
     63 unsigned __quota_proplib_getnumobjtypes(void);
     64 const char *__quota_proplib_objtype_getname(int objtype);
     65 int __quota_proplib_objtype_isbytes(int objtype);
     66 int __quota_proplib_get(struct quotahandle *qh, const struct quotakey *qk,
     67 			struct quotaval *qv);
     68 int __quota_proplib_put(struct quotahandle *qh, const struct quotakey *qk,
     69 			const struct quotaval *qv);
     70 int __quota_proplib_delete(struct quotahandle *qh, const struct quotakey *qk);
     71 struct proplib_quotacursor *__quota_proplib_cursor_create(void);
     72 void __quota_proplib_cursor_destroy(struct proplib_quotacursor *);
     73 int __quota_proplib_cursor_skipidtype(struct proplib_quotacursor *,
     74 				      unsigned idtype);
     75 int __quota_proplib_cursor_get(struct quotahandle *,
     76 			       struct proplib_quotacursor *,
     77 			       struct quotakey *, struct quotaval *);
     78 int __quota_proplib_cursor_getn(struct quotahandle *,
     79 				struct proplib_quotacursor *,
     80 				struct quotakey *, struct quotaval *,
     81 				unsigned);
     82 int __quota_proplib_cursor_atend(struct quotahandle *,
     83 				 struct proplib_quotacursor *);
     84 int __quota_proplib_cursor_rewind(struct proplib_quotacursor *);
     85 
     86 
     87 /* nfs rquotad interface */
     88 int __quota_nfs_get(struct quotahandle *qh, const struct quotakey *qk,
     89 		    struct quotaval *qv);
     90 
     91 
     92 /* direct interface to old (quota1-type) files */
     93 void __quota_oldfiles_load_fstab(void);
     94 int __quota_oldfiles_infstab(const char *);
     95 int __quota_oldfiles_initialize(struct quotahandle *qh);
     96 const char *__quota_oldfiles_getimplname(struct quotahandle *);
     97 int __quota_oldfiles_get(struct quotahandle *qh, const struct quotakey *qk,
     98 			struct quotaval *qv);
     99 int __quota_oldfiles_put(struct quotahandle *qh, const struct quotakey *qk,
    100 			const struct quotaval *qv);
    101 int __quota_oldfiles_delete(struct quotahandle *qh, const struct quotakey *qk);
    102 struct oldfiles_quotacursor *
    103 	__quota_oldfiles_cursor_create(struct quotahandle *);
    104 void __quota_oldfiles_cursor_destroy(struct oldfiles_quotacursor *);
    105 int __quota_oldfiles_cursor_skipidtype(struct oldfiles_quotacursor *,
    106 				      unsigned idtype);
    107 int __quota_oldfiles_cursor_get(struct quotahandle *,
    108 			       struct oldfiles_quotacursor *,
    109 			       struct quotakey *, struct quotaval *);
    110 int __quota_oldfiles_cursor_getn(struct quotahandle *,
    111 				struct oldfiles_quotacursor *,
    112 				struct quotakey *, struct quotaval *,
    113 				unsigned);
    114 int __quota_oldfiles_cursor_atend(struct oldfiles_quotacursor *);
    115 int __quota_oldfiles_cursor_rewind(struct oldfiles_quotacursor *);
    116 
    117 
    118 /* compat for old library */
    119 int __quota_getquota(const char *path, struct quotaval *qv, uid_t id,
    120 		     const char *class);
    121 
    122