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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include <stdlib.h>
#include <time.h>
#include <errno.h>
#include "include/types.h"
#include "include/rados/librados.hpp"
using namespace librados;
void buf_to_hex(const unsigned char *buf, int len, char *str)
{
str[0] = '\0';
for (int i = 0; i < len; i++) {
sprintf(&str[i*2], "%02x", (int)buf[i]);
}
}
#define ID_SIZE 8
#define ACL_RD 0x1
#define ACL_WR 0x2
struct ACLID {
char id[ID_SIZE + 1];
void encode(bufferlist& bl) const {
bl.append((const char *)id, ID_SIZE);
}
void decode(bufferlist::const_iterator& iter) {
iter.copy(ID_SIZE, (char *)id);
}
};
WRITE_CLASS_ENCODER(ACLID)
typedef __u32 ACLFlags;
inline bool operator<(const ACLID& l, const ACLID& r)
{
return (memcmp(&l, &r, ID_SIZE) < 0);
}
struct ACLPair {
ACLID id;
ACLFlags flags;
};
class ObjectACLs {
map<ACLID, ACLFlags> acls_map;
public:
void encode(bufferlist& bl) const {
using ceph::encode;
encode(acls_map, bl);
}
void decode(bufferlist::const_iterator& bl) {
using ceph::decode;
decode(acls_map, bl);
}
int read_acl(ACLID& id, ACLFlags *flags);
void set_acl(ACLID& id, ACLFlags flags);
};
WRITE_CLASS_ENCODER(ObjectACLs)
int ObjectACLs::read_acl(ACLID& id, ACLFlags *flags)
{
if (!flags)
return -EINVAL;
map<ACLID, ACLFlags>::iterator iter = acls_map.find(id);
if (iter == acls_map.end())
return -ENOENT;
*flags = iter->second;
return 0;
}
void ObjectACLs::set_acl(ACLID& id, ACLFlags flags)
{
acls_map[id] = flags;
}
class ACLEntity
{
string name;
map<ACLID, ACLEntity> groups;
};
typedef map<ACLID, ACLEntity> tACLIDEntityMap;
static map<ACLID, ACLEntity> users;
static map<ACLID, ACLEntity> groups;
void get_user(ACLID& aclid, ACLEntity *entity)
{
//users.find(aclid);
}
int main(int argc, const char **argv)
{
Rados rados;
if (rados.init(NULL) < 0) {
cerr << "couldn't initialize rados!" << std::endl;
exit(1);
}
if (rados.conf_read_file(NULL)) {
cerr << "couldn't read Ceph configuration file!" << std::endl;
exit(1);
}
if (rados.connect() < 0) {
cerr << "couldn't connect to cluster!" << std::endl;
exit(1);
}
time_t tm;
bufferlist bl, bl2;
char buf[128];
time(&tm);
snprintf(buf, 128, "%s", ctime(&tm));
bl.append(buf, strlen(buf));
const char *oid = "bar";
IoCtx io_ctx;
int r = rados.ioctx_create("data", io_ctx);
cout << "open io_ctx result = " << r << " pool = " << io_ctx.get_pool_name() << std::endl;
ACLID id;
snprintf(id.id, sizeof(id.id), "%.8x", 0x1234);
cout << "id=" << id.id << std::endl;
r = io_ctx.exec(oid, "acl", "get", bl, bl2);
cout << "exec(acl get) returned " << r
<< " len=" << bl2.length() << std::endl;
ObjectACLs oa;
if (r >= 0) {
auto iter = bl2.cbegin();
oa.decode(iter);
}
oa.set_acl(id, ACL_RD);
bl.clear();
oa.encode(bl);
r = io_ctx.exec(oid, "acl", "set", bl, bl2);
cout << "exec(acl set) returned " << r
<< " len=" << bl2.length() << std::endl;
const unsigned char *md5 = (const unsigned char *)bl2.c_str();
char md5_str[bl2.length()*2 + 1];
buf_to_hex(md5, bl2.length(), md5_str);
cout << "md5 result=" << md5_str << std::endl;
int size = io_ctx.read(oid, bl2, 128, 0);
cout << "read result=" << bl2.c_str() << std::endl;
cout << "size=" << size << std::endl;
return 0;
}
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