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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab ft=cpp
#include <array>
#include <string>
#include "rgw_common.h"
#include "rgw_auth.h"
#include "rgw_quota.h"
#include "rgw_user.h"
#include "rgw_http_client.h"
#include "rgw_keystone.h"
#include "rgw_sal.h"
#include "rgw_log.h"
#include "include/str_list.h"
#define dout_context g_ceph_context
#define dout_subsys ceph_subsys_rgw
using namespace std;
namespace rgw {
namespace auth {
std::unique_ptr<rgw::auth::Identity>
transform_old_authinfo(CephContext* const cct,
const rgw_user& auth_id,
const int perm_mask,
const bool is_admin,
const uint32_t type)
{
/* This class is not intended for public use. Should be removed altogether
* with this function after moving all our APIs to the new authentication
* infrastructure. */
class DummyIdentityApplier : public rgw::auth::Identity {
CephContext* const cct;
/* For this particular case it's OK to use rgw_user structure to convey
* the identity info as this was the policy for doing that before the
* new auth. */
const rgw_user id;
const int perm_mask;
const bool is_admin;
const uint32_t type;
public:
DummyIdentityApplier(CephContext* const cct,
const rgw_user& auth_id,
const int perm_mask,
const bool is_admin,
const uint32_t type)
: cct(cct),
id(auth_id),
perm_mask(perm_mask),
is_admin(is_admin),
type(type) {
}
uint32_t get_perms_from_aclspec(const DoutPrefixProvider* dpp, const aclspec_t& aclspec) const override {
return rgw_perms_from_aclspec_default_strategy(id, aclspec, dpp);
}
bool is_admin_of(const rgw_user& acct_id) const override {
return is_admin;
}
bool is_owner_of(const rgw_user& acct_id) const override {
return id == acct_id;
}
bool is_identity(const idset_t& ids) const override {
for (auto& p : ids) {
if (p.is_wildcard()) {
return true;
} else if (p.is_tenant() && p.get_tenant() == id.tenant) {
return true;
} else if (p.is_user() &&
(p.get_tenant() == id.tenant) &&
(p.get_id() == id.id)) {
return true;
}
}
return false;
}
uint32_t get_perm_mask() const override {
return perm_mask;
}
uint32_t get_identity_type() const override {
return type;
}
string get_acct_name() const override {
return {};
}
string get_subuser() const override {
return {};
}
void to_str(std::ostream& out) const override {
out << "RGWDummyIdentityApplier(auth_id=" << id
<< ", perm_mask=" << perm_mask
<< ", is_admin=" << is_admin << ")";
}
};
return std::unique_ptr<rgw::auth::Identity>(
new DummyIdentityApplier(cct,
auth_id,
perm_mask,
is_admin,
type));
}
std::unique_ptr<rgw::auth::Identity>
transform_old_authinfo(const req_state* const s)
{
return transform_old_authinfo(s->cct,
s->user->get_id(),
s->perm_mask,
/* System user has admin permissions by default - it's supposed to pass
* through any security check. */
s->system_request,
s->user->get_type());
}
} /* namespace auth */
} /* namespace rgw */
uint32_t rgw_perms_from_aclspec_default_strategy(
const rgw_user& uid,
const rgw::auth::Identity::aclspec_t& aclspec,
const DoutPrefixProvider *dpp)
{
ldpp_dout(dpp, 5) << "Searching permissions for uid=" << uid << dendl;
const auto iter = aclspec.find(uid.to_str());
if (std::end(aclspec) != iter) {
ldpp_dout(dpp, 5) << "Found permission: " << iter->second << dendl;
return iter->second;
}
ldpp_dout(dpp, 5) << "Permissions for user not found" << dendl;
return 0;
}
static inline const std::string make_spec_item(const std::string& tenant,
const std::string& id)
{
return tenant + ":" + id;
}
static inline std::pair<bool, rgw::auth::Engine::result_t>
strategy_handle_rejected(rgw::auth::Engine::result_t&& engine_result,
const rgw::auth::Strategy::Control policy,
rgw::auth::Engine::result_t&& strategy_result)
{
using Control = rgw::auth::Strategy::Control;
switch (policy) {
case Control::REQUISITE:
/* Don't try next. */
return std::make_pair(false, std::move(engine_result));
case Control::SUFFICIENT:
/* Don't try next. */
return std::make_pair(false, std::move(engine_result));
case Control::FALLBACK:
/* Don't try next. */
return std::make_pair(false, std::move(engine_result));
default:
/* Huh, memory corruption? */
ceph_abort();
}
}
static inline std::pair<bool, rgw::auth::Engine::result_t>
strategy_handle_denied(rgw::auth::Engine::result_t&& engine_result,
const rgw::auth::Strategy::Control policy,
rgw::auth::Engine::result_t&& strategy_result)
{
using Control = rgw::auth::Strategy::Control;
switch (policy) {
case Control::REQUISITE:
/* Don't try next. */
return std::make_pair(false, std::move(engine_result));
case Control::SUFFICIENT:
/* Just try next. */
return std::make_pair(true, std::move(engine_result));
case Control::FALLBACK:
return std::make_pair(true, std::move(strategy_result));
default:
/* Huh, memory corruption? */
ceph_abort();
}
}
static inline std::pair<bool, rgw::auth::Engine::result_t>
strategy_handle_granted(rgw::auth::Engine::result_t&& engine_result,
const rgw::auth::Strategy::Control policy,
rgw::auth::Engine::result_t&& strategy_result)
{
using Control = rgw::auth::Strategy::Control;
switch (policy) {
case Control::REQUISITE:
/* Try next. */
return std::make_pair(true, std::move(engine_result));
case Control::SUFFICIENT:
/* Don't try next. */
return std::make_pair(false, std::move(engine_result));
case Control::FALLBACK:
/* Don't try next. */
return std::make_pair(false, std::move(engine_result));
default:
/* Huh, memory corruption? */
ceph_abort();
}
}
rgw::auth::Engine::result_t
rgw::auth::Strategy::authenticate(const DoutPrefixProvider* dpp, const req_state* const s, optional_yield y) const
{
result_t strategy_result = result_t::deny();
for (const stack_item_t& kv : auth_stack) {
const rgw::auth::Engine& engine = kv.first;
const auto& policy = kv.second;
ldpp_dout(dpp, 20) << get_name() << ": trying " << engine.get_name() << dendl;
result_t engine_result = result_t::deny();
try {
engine_result = engine.authenticate(dpp, s, y);
} catch (const int err) {
engine_result = result_t::deny(err);
}
bool try_next = true;
switch (engine_result.get_status()) {
case result_t::Status::REJECTED: {
ldpp_dout(dpp, 20) << engine.get_name() << " rejected with reason="
<< engine_result.get_reason() << dendl;
std::tie(try_next, strategy_result) = \
strategy_handle_rejected(std::move(engine_result), policy,
std::move(strategy_result));
break;
}
case result_t::Status::DENIED: {
ldpp_dout(dpp, 20) << engine.get_name() << " denied with reason="
<< engine_result.get_reason() << dendl;
std::tie(try_next, strategy_result) = \
strategy_handle_denied(std::move(engine_result), policy,
std::move(strategy_result));
break;
}
case result_t::Status::GRANTED: {
ldpp_dout(dpp, 20) << engine.get_name() << " granted access" << dendl;
std::tie(try_next, strategy_result) = \
strategy_handle_granted(std::move(engine_result), policy,
std::move(strategy_result));
break;
}
default: {
ceph_abort();
}
}
if (! try_next) {
break;
}
}
return strategy_result;
}
int
rgw::auth::Strategy::apply(const DoutPrefixProvider *dpp, const rgw::auth::Strategy& auth_strategy,
req_state* const s, optional_yield y) noexcept
{
try {
auto result = auth_strategy.authenticate(dpp, s, y);
if (result.get_status() != decltype(result)::Status::GRANTED) {
/* Access denied is acknowledged by returning a std::unique_ptr with
* nullptr inside. */
ldpp_dout(dpp, 5) << "Failed the auth strategy, reason="
<< result.get_reason() << dendl;
return result.get_reason();
}
try {
rgw::auth::IdentityApplier::aplptr_t applier = result.get_applier();
rgw::auth::Completer::cmplptr_t completer = result.get_completer();
/* Account used by a given RGWOp is decoupled from identity employed
* in the authorization phase (RGWOp::verify_permissions). */
applier->load_acct_info(dpp, s->user->get_info());
s->perm_mask = applier->get_perm_mask();
/* This is the single place where we pass req_state as a pointer
* to non-const and thus its modification is allowed. In the time
* of writing only RGWTempURLEngine needed that feature. */
applier->modify_request_state(dpp, s);
if (completer) {
completer->modify_request_state(dpp, s);
}
s->auth.identity = std::move(applier);
s->auth.completer = std::move(completer);
return 0;
} catch (const int err) {
ldpp_dout(dpp, 5) << "applier throwed err=" << err << dendl;
return err;
} catch (const std::exception& e) {
ldpp_dout(dpp, 5) << "applier throwed unexpected err: " << e.what()
<< dendl;
return -EPERM;
}
} catch (const int err) {
ldpp_dout(dpp, 5) << "auth engine throwed err=" << err << dendl;
return err;
} catch (const std::exception& e) {
ldpp_dout(dpp, 5) << "auth engine throwed unexpected err: " << e.what()
<< dendl;
}
/* We never should be here. */
return -EPERM;
}
void
rgw::auth::Strategy::add_engine(const Control ctrl_flag,
const Engine& engine) noexcept
{
auth_stack.push_back(std::make_pair(std::cref(engine), ctrl_flag));
}
void rgw::auth::WebIdentityApplier::to_str(std::ostream& out) const
{
out << "rgw::auth::WebIdentityApplier(sub =" << sub
<< ", user_name=" << user_name
<< ", provider_id =" << iss << ")";
}
string rgw::auth::WebIdentityApplier::get_idp_url() const
{
string idp_url = this->iss;
idp_url = url_remove_prefix(idp_url);
return idp_url;
}
void rgw::auth::WebIdentityApplier::create_account(const DoutPrefixProvider* dpp,
const rgw_user& acct_user,
const string& display_name,
RGWUserInfo& user_info) const /* out */
{
std::unique_ptr<rgw::sal::User> user = driver->get_user(acct_user);
user->get_info().display_name = display_name;
user->get_info().type = TYPE_WEB;
user->get_info().max_buckets =
cct->_conf.get_val<int64_t>("rgw_user_max_buckets");
rgw_apply_default_bucket_quota(user->get_info().quota.bucket_quota, cct->_conf);
rgw_apply_default_user_quota(user->get_info().quota.user_quota, cct->_conf);
int ret = user->store_user(dpp, null_yield, true);
if (ret < 0) {
ldpp_dout(dpp, 0) << "ERROR: failed to store new user info: user="
<< user << " ret=" << ret << dendl;
throw ret;
}
user_info = user->get_info();
}
void rgw::auth::WebIdentityApplier::load_acct_info(const DoutPrefixProvider* dpp, RGWUserInfo& user_info) const {
rgw_user federated_user;
federated_user.id = this->sub;
federated_user.tenant = role_tenant;
federated_user.ns = "oidc";
std::unique_ptr<rgw::sal::User> user = driver->get_user(federated_user);
//Check in oidc namespace
if (user->load_user(dpp, null_yield) >= 0) {
/* Succeeded. */
user_info = user->get_info();
return;
}
user->clear_ns();
//Check for old users which wouldn't have been created in oidc namespace
if (user->load_user(dpp, null_yield) >= 0) {
/* Succeeded. */
user_info = user->get_info();
return;
}
//Check if user_id.buckets already exists, may have been from the time, when shadow users didnt exist
RGWStorageStats stats;
int ret = user->read_stats(dpp, null_yield, &stats);
if (ret < 0 && ret != -ENOENT) {
ldpp_dout(dpp, 0) << "ERROR: reading stats for the user returned error " << ret << dendl;
return;
}
if (ret == -ENOENT) { /* in case of ENOENT, which means user doesnt have buckets */
//In this case user will be created in oidc namespace
ldpp_dout(dpp, 5) << "NOTICE: incoming user has no buckets " << federated_user << dendl;
federated_user.ns = "oidc";
} else {
//User already has buckets associated, hence wont be created in oidc namespace.
ldpp_dout(dpp, 5) << "NOTICE: incoming user already has buckets associated " << federated_user << ", won't be created in oidc namespace"<< dendl;
federated_user.ns = "";
}
ldpp_dout(dpp, 0) << "NOTICE: couldn't map oidc federated user " << federated_user << dendl;
create_account(dpp, federated_user, this->user_name, user_info);
}
void rgw::auth::WebIdentityApplier::modify_request_state(const DoutPrefixProvider *dpp, req_state* s) const
{
s->info.args.append("sub", this->sub);
s->info.args.append("aud", this->aud);
s->info.args.append("provider_id", this->iss);
s->info.args.append("client_id", this->client_id);
string condition;
string idp_url = get_idp_url();
for (auto& claim : token_claims) {
if (claim.first == "aud") {
condition.clear();
condition = idp_url + ":app_id";
s->env.emplace(condition, claim.second);
}
condition.clear();
condition = idp_url + ":" + claim.first;
s->env.emplace(condition, claim.second);
}
if (principal_tags) {
constexpr size_t KEY_SIZE = 128, VAL_SIZE = 256;
std::set<std::pair<string, string>> p_tags = principal_tags.get();
for (auto& it : p_tags) {
string key = it.first;
string val = it.second;
if (key.find("aws:") == 0 || val.find("aws:") == 0) {
ldpp_dout(dpp, 0) << "ERROR: Tag/Value can't start with aws:, hence skipping it" << dendl;
continue;
}
if (key.size() > KEY_SIZE || val.size() > VAL_SIZE) {
ldpp_dout(dpp, 0) << "ERROR: Invalid tag/value size, hence skipping it" << dendl;
continue;
}
std::string p_key = "aws:PrincipalTag/";
p_key.append(key);
s->principal_tags.emplace_back(std::make_pair(p_key, val));
ldpp_dout(dpp, 10) << "Principal Tag Key: " << p_key << " Value: " << val << dendl;
std::string e_key = "aws:RequestTag/";
e_key.append(key);
s->env.emplace(e_key, val);
ldpp_dout(dpp, 10) << "RGW Env Tag Key: " << e_key << " Value: " << val << dendl;
s->env.emplace("aws:TagKeys", key);
ldpp_dout(dpp, 10) << "aws:TagKeys: " << key << dendl;
if (s->principal_tags.size() == 50) {
ldpp_dout(dpp, 0) << "ERROR: Number of tag/value pairs exceeding 50, hence skipping the rest" << dendl;
break;
}
}
}
if (role_tags) {
for (auto& it : role_tags.get()) {
std::string p_key = "aws:PrincipalTag/";
p_key.append(it.first);
s->principal_tags.emplace_back(std::make_pair(p_key, it.second));
ldpp_dout(dpp, 10) << "Principal Tag Key: " << p_key << " Value: " << it.second << dendl;
std::string e_key = "iam:ResourceTag/";
e_key.append(it.first);
s->env.emplace(e_key, it.second);
ldpp_dout(dpp, 10) << "RGW Env Tag Key: " << e_key << " Value: " << it.second << dendl;
}
}
}
bool rgw::auth::WebIdentityApplier::is_identity(const idset_t& ids) const
{
if (ids.size() > 1) {
return false;
}
for (auto id : ids) {
string idp_url = get_idp_url();
if (id.is_oidc_provider() && id.get_idp_url() == idp_url) {
return true;
}
}
return false;
}
const std::string rgw::auth::RemoteApplier::AuthInfo::NO_SUBUSER;
const std::string rgw::auth::RemoteApplier::AuthInfo::NO_ACCESS_KEY;
/* rgw::auth::RemoteAuthApplier */
uint32_t rgw::auth::RemoteApplier::get_perms_from_aclspec(const DoutPrefixProvider* dpp, const aclspec_t& aclspec) const
{
uint32_t perm = 0;
/* For backward compatibility with ACLOwner. */
perm |= rgw_perms_from_aclspec_default_strategy(info.acct_user,
aclspec, dpp);
/* We also need to cover cases where rgw_keystone_implicit_tenants
* was enabled. */
if (info.acct_user.tenant.empty()) {
const rgw_user tenanted_acct_user(info.acct_user.id, info.acct_user.id);
perm |= rgw_perms_from_aclspec_default_strategy(tenanted_acct_user,
aclspec, dpp);
}
/* Now it's a time for invoking additional strategy that was supplied by
* a specific auth engine. */
if (extra_acl_strategy) {
perm |= extra_acl_strategy(aclspec);
}
ldpp_dout(dpp, 20) << "from ACL got perm=" << perm << dendl;
return perm;
}
bool rgw::auth::RemoteApplier::is_admin_of(const rgw_user& uid) const
{
return info.is_admin;
}
bool rgw::auth::RemoteApplier::is_owner_of(const rgw_user& uid) const
{
if (info.acct_user.tenant.empty()) {
const rgw_user tenanted_acct_user(info.acct_user.id, info.acct_user.id);
if (tenanted_acct_user == uid) {
return true;
}
}
return info.acct_user == uid;
}
bool rgw::auth::RemoteApplier::is_identity(const idset_t& ids) const {
for (auto& id : ids) {
if (id.is_wildcard()) {
return true;
// We also need to cover cases where rgw_keystone_implicit_tenants
// was enabled. */
} else if (id.is_tenant() &&
(info.acct_user.tenant.empty() ?
info.acct_user.id :
info.acct_user.tenant) == id.get_tenant()) {
return true;
} else if (id.is_user() &&
info.acct_user.id == id.get_id() &&
(info.acct_user.tenant.empty() ?
info.acct_user.id :
info.acct_user.tenant) == id.get_tenant()) {
return true;
}
}
return false;
}
void rgw::auth::RemoteApplier::to_str(std::ostream& out) const
{
out << "rgw::auth::RemoteApplier(acct_user=" << info.acct_user
<< ", acct_name=" << info.acct_name
<< ", perm_mask=" << info.perm_mask
<< ", is_admin=" << info.is_admin << ")";
}
void rgw::auth::ImplicitTenants::recompute_value(const ConfigProxy& c)
{
std::string s = c.get_val<std::string>("rgw_keystone_implicit_tenants");
int v = 0;
if (boost::iequals(s, "both")
|| boost::iequals(s, "true")
|| boost::iequals(s, "1")) {
v = IMPLICIT_TENANTS_S3|IMPLICIT_TENANTS_SWIFT;
} else if (boost::iequals(s, "0")
|| boost::iequals(s, "none")
|| boost::iequals(s, "false")) {
v = 0;
} else if (boost::iequals(s, "s3")) {
v = IMPLICIT_TENANTS_S3;
} else if (boost::iequals(s, "swift")) {
v = IMPLICIT_TENANTS_SWIFT;
} else { /* "" (and anything else) */
v = IMPLICIT_TENANTS_BAD;
// assert(0);
}
saved = v;
}
const char **rgw::auth::ImplicitTenants::get_tracked_conf_keys() const
{
static const char *keys[] = {
"rgw_keystone_implicit_tenants",
nullptr };
return keys;
}
void rgw::auth::ImplicitTenants::handle_conf_change(const ConfigProxy& c,
const std::set <std::string> &changed)
{
if (changed.count("rgw_keystone_implicit_tenants")) {
recompute_value(c);
}
}
void rgw::auth::RemoteApplier::create_account(const DoutPrefixProvider* dpp,
const rgw_user& acct_user,
bool implicit_tenant,
RGWUserInfo& user_info) const /* out */
{
rgw_user new_acct_user = acct_user;
/* An upper layer may enforce creating new accounts within their own
* tenants. */
if (new_acct_user.tenant.empty() && implicit_tenant) {
new_acct_user.tenant = new_acct_user.id;
}
std::unique_ptr<rgw::sal::User> user = driver->get_user(new_acct_user);
user->get_info().display_name = info.acct_name;
if (info.acct_type) {
//ldap/keystone for s3 users
user->get_info().type = info.acct_type;
}
user->get_info().max_buckets =
cct->_conf.get_val<int64_t>("rgw_user_max_buckets");
rgw_apply_default_bucket_quota(user->get_info().quota.bucket_quota, cct->_conf);
rgw_apply_default_user_quota(user->get_info().quota.user_quota, cct->_conf);
user_info = user->get_info();
int ret = user->store_user(dpp, null_yield, true);
if (ret < 0) {
ldpp_dout(dpp, 0) << "ERROR: failed to store new user info: user="
<< user << " ret=" << ret << dendl;
throw ret;
}
}
void rgw::auth::RemoteApplier::write_ops_log_entry(rgw_log_entry& entry) const
{
entry.access_key_id = info.access_key_id;
entry.subuser = info.subuser;
}
/* TODO(rzarzynski): we need to handle display_name changes. */
void rgw::auth::RemoteApplier::load_acct_info(const DoutPrefixProvider* dpp, RGWUserInfo& user_info) const /* out */
{
/* It's supposed that RGWRemoteAuthApplier tries to load account info
* that belongs to the authenticated identity. Another policy may be
* applied by using a RGWThirdPartyAccountAuthApplier decorator. */
const rgw_user& acct_user = info.acct_user;
auto implicit_value = implicit_tenant_context.get_value();
bool implicit_tenant = implicit_value.implicit_tenants_for_(implicit_tenant_bit);
bool split_mode = implicit_value.is_split_mode();
std::unique_ptr<rgw::sal::User> user;
/* Normally, empty "tenant" field of acct_user means the authenticated
* identity has the legacy, global tenant. However, due to inclusion
* of multi-tenancy, we got some special compatibility kludge for remote
* backends like Keystone.
* If the global tenant is the requested one, we try the same tenant as
* the user name first. If that RGWUserInfo exists, we use it. This way,
* migrated OpenStack users can get their namespaced containers and nobody's
* the wiser.
* If that fails, we look up in the requested (possibly empty) tenant.
* If that fails too, we create the account within the global or separated
* namespace depending on rgw_keystone_implicit_tenants.
* For compatibility with previous versions of ceph, it is possible
* to enable implicit_tenants for only s3 or only swift.
* in this mode ("split_mode"), we must constrain the id lookups to
* only use the identifier space that would be used if the id were
* to be created. */
if (split_mode && !implicit_tenant)
; /* suppress lookup for id used by "other" protocol */
else if (acct_user.tenant.empty()) {
const rgw_user tenanted_uid(acct_user.id, acct_user.id);
user = driver->get_user(tenanted_uid);
if (user->load_user(dpp, null_yield) >= 0) {
/* Succeeded. */
user_info = user->get_info();
return;
}
}
user = driver->get_user(acct_user);
if (split_mode && implicit_tenant)
; /* suppress lookup for id used by "other" protocol */
else if (user->load_user(dpp, null_yield) >= 0) {
/* Succeeded. */
user_info = user->get_info();
return;
}
ldpp_dout(dpp, 0) << "NOTICE: couldn't map swift user " << acct_user << dendl;
create_account(dpp, acct_user, implicit_tenant, user_info);
/* Succeeded if we are here (create_account() hasn't throwed). */
}
/* rgw::auth::LocalApplier */
/* static declaration */
const std::string rgw::auth::LocalApplier::NO_SUBUSER;
const std::string rgw::auth::LocalApplier::NO_ACCESS_KEY;
uint32_t rgw::auth::LocalApplier::get_perms_from_aclspec(const DoutPrefixProvider* dpp, const aclspec_t& aclspec) const
{
return rgw_perms_from_aclspec_default_strategy(user_info.user_id, aclspec, dpp);
}
bool rgw::auth::LocalApplier::is_admin_of(const rgw_user& uid) const
{
return user_info.admin || user_info.system;
}
bool rgw::auth::LocalApplier::is_owner_of(const rgw_user& uid) const
{
return uid == user_info.user_id;
}
bool rgw::auth::LocalApplier::is_identity(const idset_t& ids) const {
for (auto& id : ids) {
if (id.is_wildcard()) {
return true;
} else if (id.is_tenant() &&
id.get_tenant() == user_info.user_id.tenant) {
return true;
} else if (id.is_user() &&
(id.get_tenant() == user_info.user_id.tenant)) {
if (id.get_id() == user_info.user_id.id) {
return true;
}
std::string wildcard_subuser = user_info.user_id.id;
wildcard_subuser.append(":*");
if (wildcard_subuser == id.get_id()) {
return true;
} else if (subuser != NO_SUBUSER) {
std::string user = user_info.user_id.id;
user.append(":");
user.append(subuser);
if (user == id.get_id()) {
return true;
}
}
}
}
return false;
}
void rgw::auth::LocalApplier::to_str(std::ostream& out) const {
out << "rgw::auth::LocalApplier(acct_user=" << user_info.user_id
<< ", acct_name=" << user_info.display_name
<< ", subuser=" << subuser
<< ", perm_mask=" << get_perm_mask()
<< ", is_admin=" << static_cast<bool>(user_info.admin) << ")";
}
uint32_t rgw::auth::LocalApplier::get_perm_mask(const std::string& subuser_name,
const RGWUserInfo &uinfo) const
{
if (! subuser_name.empty() && subuser_name != NO_SUBUSER) {
const auto iter = uinfo.subusers.find(subuser_name);
if (iter != std::end(uinfo.subusers)) {
return iter->second.perm_mask;
} else {
/* Subuser specified but not found. */
return RGW_PERM_NONE;
}
} else {
/* Due to backward compatibility. */
return RGW_PERM_FULL_CONTROL;
}
}
void rgw::auth::LocalApplier::load_acct_info(const DoutPrefixProvider* dpp, RGWUserInfo& user_info) const /* out */
{
/* Load the account that belongs to the authenticated identity. An extra call
* to RADOS may be safely skipped in this case. */
user_info = this->user_info;
}
void rgw::auth::LocalApplier::write_ops_log_entry(rgw_log_entry& entry) const
{
entry.access_key_id = access_key_id;
entry.subuser = subuser;
}
void rgw::auth::RoleApplier::to_str(std::ostream& out) const {
out << "rgw::auth::RoleApplier(role name =" << role.name;
for (auto& policy: role.role_policies) {
out << ", role policy =" << policy;
}
out << ", token policy =" << token_attrs.token_policy;
out << ")";
}
bool rgw::auth::RoleApplier::is_identity(const idset_t& ids) const {
for (auto& p : ids) {
if (p.is_wildcard()) {
return true;
} else if (p.is_role()) {
string name = p.get_id();
string tenant = p.get_tenant();
if (name == role.name && tenant == role.tenant) {
return true;
}
} else if (p.is_assumed_role()) {
string tenant = p.get_tenant();
string role_session = role.name + "/" + token_attrs.role_session_name; //role/role-session
if (role.tenant == tenant && role_session == p.get_role_session()) {
return true;
}
} else {
string id = p.get_id();
string tenant = p.get_tenant();
string oidc_id;
if (token_attrs.user_id.ns.empty()) {
oidc_id = token_attrs.user_id.id;
} else {
oidc_id = token_attrs.user_id.ns + "$" + token_attrs.user_id.id;
}
if (oidc_id == id && token_attrs.user_id.tenant == tenant) {
return true;
}
}
}
return false;
}
void rgw::auth::RoleApplier::load_acct_info(const DoutPrefixProvider* dpp, RGWUserInfo& user_info) const /* out */
{
/* Load the user id */
user_info.user_id = this->token_attrs.user_id;
}
void rgw::auth::RoleApplier::modify_request_state(const DoutPrefixProvider *dpp, req_state* s) const
{
for (auto it: role.role_policies) {
try {
bufferlist bl = bufferlist::static_from_string(it);
const rgw::IAM::Policy p(s->cct, role.tenant, bl, false);
s->iam_user_policies.push_back(std::move(p));
} catch (rgw::IAM::PolicyParseException& e) {
//Control shouldn't reach here as the policy has already been
//verified earlier
ldpp_dout(dpp, 20) << "failed to parse role policy: " << e.what() << dendl;
}
}
if (!this->token_attrs.token_policy.empty()) {
try {
string policy = this->token_attrs.token_policy;
bufferlist bl = bufferlist::static_from_string(policy);
const rgw::IAM::Policy p(s->cct, role.tenant, bl, false);
s->session_policies.push_back(std::move(p));
} catch (rgw::IAM::PolicyParseException& e) {
//Control shouldn't reach here as the policy has already been
//verified earlier
ldpp_dout(dpp, 20) << "failed to parse token policy: " << e.what() << dendl;
}
}
string condition = "aws:userid";
string value = role.id + ":" + token_attrs.role_session_name;
s->env.emplace(condition, value);
s->env.emplace("aws:TokenIssueTime", token_attrs.token_issued_at);
for (auto& m : token_attrs.principal_tags) {
s->env.emplace(m.first, m.second);
ldpp_dout(dpp, 10) << "Principal Tag Key: " << m.first << " Value: " << m.second << dendl;
std::size_t pos = m.first.find('/');
string key = m.first.substr(pos + 1);
s->env.emplace("aws:TagKeys", key);
ldpp_dout(dpp, 10) << "aws:TagKeys: " << key << dendl;
}
s->token_claims.emplace_back("sts");
s->token_claims.emplace_back("role_name:" + role.tenant + "$" + role.name);
s->token_claims.emplace_back("role_session:" + token_attrs.role_session_name);
for (auto& it : token_attrs.token_claims) {
s->token_claims.emplace_back(it);
}
}
rgw::auth::Engine::result_t
rgw::auth::AnonymousEngine::authenticate(const DoutPrefixProvider* dpp, const req_state* const s, optional_yield y) const
{
if (! is_applicable(s)) {
return result_t::deny(-EPERM);
} else {
RGWUserInfo user_info;
rgw_get_anon_user(user_info);
auto apl = \
apl_factory->create_apl_local(cct, s, user_info,
rgw::auth::LocalApplier::NO_SUBUSER,
std::nullopt, rgw::auth::LocalApplier::NO_ACCESS_KEY);
return result_t::grant(std::move(apl));
}
}
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