lib/secacl.c

ソースコードを見る。

関数
SEC_ACL *	make_sec_acl (TALLOC_CTX *ctx, uint16 revision, int num_aces, SEC_ACE *ace_list)
SEC_ACL *	dup_sec_acl (TALLOC_CTX *ctx, SEC_ACL *src)
BOOL	sec_acl_equal (SEC_ACL *s1, SEC_ACL *s2)

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関数

SEC_ACL* make_sec_acl	(	TALLOC_CTX *	ctx,
		uint16	revision,
		int	num_aces,
		SEC_ACE *	ace_list
	)

secacl.c の 30 行で定義されています。

参照先 security_acl_info::aces・security_acl_info::num_aces・security_acl_info::revision・security_ace_info::size・security_acl_info::size.

参照元 add_ace()・afs_to_nt_acl()・construct_default_printer_sdb()・construct_registry_sd()・construct_scm_sd()・construct_service_sd()・dup_sec_acl()・get_nt_acl()・get_share_security_default()・lsa_get_generic_sd()・make_default_reg_sd()・make_samr_object_sd()・parse_acl_string()・parse_usershare_acl()・samr_make_sam_obj_sd()・sec_desc_add_sid()・sec_desc_del_sid()・smb_get_nt_acl_nfs4().

{
        SEC_ACL *dst;
        int i;

        if((dst = TALLOC_ZERO_P(ctx,SEC_ACL)) == NULL)
                return NULL;

        dst->revision = revision;
        dst->num_aces = num_aces;
        dst->size = SEC_ACL_HEADER_SIZE;

        /* Now we need to return a non-NULL address for the ace list even
           if the number of aces required is zero.  This is because there
           is a distinct difference between a NULL ace and an ace with zero
           entries in it.  This is achieved by checking that num_aces is a
           positive number. */

        if ((num_aces) && 
            ((dst->aces = TALLOC_ARRAY(ctx, SEC_ACE, num_aces)) 
             == NULL)) {
                return NULL;
        }
        
        for (i = 0; i < num_aces; i++) {
                dst->aces[i] = ace_list[i]; /* Structure copy. */
                dst->size += ace_list[i].size;
        }

        return dst;
}

SEC_ACL* dup_sec_acl	(	TALLOC_CTX *	ctx,
		SEC_ACL *	src
	)

secacl.c の 66 行で定義されています。

参照先 security_acl_info::aces・make_sec_acl()・security_acl_info::num_aces・security_acl_info::revision.

参照元 make_sec_desc().

{
        if(src == NULL)
                return NULL;

        return make_sec_acl(ctx, src->revision, src->num_aces, src->aces);
}

BOOL sec_acl_equal	(	SEC_ACL *	s1,
		SEC_ACL *	s2
	)

secacl.c の 78 行で定義されています。

参照先 security_acl_info::aces・security_acl_info::num_aces・security_acl_info::revision・sec_ace_equal().

参照元 sec_desc_equal().

{
        unsigned int i, j;

        /* Trivial cases */

        if (!s1 && !s2) return True;
        if (!s1 || !s2) return False;

        /* Check top level stuff */

        if (s1->revision != s2->revision) {
                DEBUG(10, ("sec_acl_equal(): revision differs (%d != %d)\n",
                           s1->revision, s2->revision));
                return False;
        }

        if (s1->num_aces != s2->num_aces) {
                DEBUG(10, ("sec_acl_equal(): num_aces differs (%d != %d)\n",
                           s1->revision, s2->revision));
                return False;
        }

        /* The ACEs could be in any order so check each ACE in s1 against 
           each ACE in s2. */

        for (i = 0; i < s1->num_aces; i++) {
                BOOL found = False;

                for (j = 0; j < s2->num_aces; j++) {
                        if (sec_ace_equal(&s1->aces[i], &s2->aces[j])) {
                                found = True;
                                break;
                        }
                }

                if (!found) return False;
        }

        return True;
}

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