128 lines
3.2 KiB
C
128 lines
3.2 KiB
C
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/*
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aaip-os-dummy.c
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Idle placeholder for:
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Arbitrary Attribute Interchange Protocol , system adapter for getting and
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setting of ACLs and xattr.
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See aaip-os-linux.c for a real implementation of this interface.
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To be included by aaip_0_2.c
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Copyright (c) 2009 - 2011 Thomas Schmitt, libburnia project, GPLv2+
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*/
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#ifdef HAVE_CONFIG_H
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#include "../config.h"
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#endif
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#include <ctype.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <sys/stat.h>
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/* ------------------------------ Inquiry --------------------------------- */
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/* See also API iso_local_attr_support().
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@param flag
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Bitfield for control purposes
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bit0= inquire availability of ACL
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bit1= inquire availability of xattr
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bit2 - bit7= Reserved for future types.
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It is permissibile to set them to 1 already now.
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bit8 and higher: reserved, submit 0
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@return
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Bitfield corresponding to flag.
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bit0= ACL adapter is enabled
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bit1= xattr adapter is enabled
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bit2 - bit7= Reserved for future types.
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bit8 and higher: reserved, do not interpret these
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*/
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int aaip_local_attr_support(int flag)
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{
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return(0);
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}
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/* ------------------------------ Getters --------------------------------- */
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/* Obtain the ACL of the given file in long text form.
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@return 0 ACL support not enabled at compile time
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*/
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int aaip_get_acl_text(char *path, char **text, int flag)
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{
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return(0);
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}
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/* Obtain the Extended Attributes and/or the ACLs of the given file in a form
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that is ready for aaip_encode().
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@return 1 ok
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*/
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int aaip_get_attr_list(char *path, size_t *num_attrs, char ***names,
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size_t **value_lengths, char ***values, int flag)
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{
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*num_attrs= 0;
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*names= NULL;
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*value_lengths= NULL;
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*values= NULL;
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return(1);
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}
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/* ------------------------------ Setters --------------------------------- */
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/* Set the ACL of the given file to a given list in long text form.
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@return 0 ACL support not enabled at compile time
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*/
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int aaip_set_acl_text(char *path, char *text, int flag)
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{
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return(0);
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}
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/* Bring the given attributes and/or ACLs into effect with the given file.
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@param flag Bitfield for control purposes
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bit0= decode and set ACLs
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bit1= first clear all existing attributes of the file
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bit2= do not set attributes other than ACLs
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@return 1 success (there was nothing to do)
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-6 support of xattr not enabled at compile time
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-7 support of ACL not enabled at compile time
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*/
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int aaip_set_attr_list(char *path, size_t num_attrs, char **names,
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size_t *value_lengths, char **values, int flag)
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{
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size_t i;
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for(i= 0; i < num_attrs; i++) {
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if(names[i] == NULL || values[i] == NULL)
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continue;
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if(names[i][0] == 0) { /* ACLs */
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if(flag & 1)
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return(-7);
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continue;
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}
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/* Extended Attribute */
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if(flag & 4)
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continue;
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if(!(flag & 8))
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if(strncmp(names[i], "user.", 5))
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continue;
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return(-6);
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}
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if(flag & 2)
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return(-6);
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return(1);
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}
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