#include "common/safe_io.h"
#include <boost/algorithm/string.hpp>
#include <boost/algorithm/string/replace.hpp>
+#include <boost/utility/string_view.hpp>
#include "rgw_rest.h"
#include "rgw_rest_s3.h"
#include "rgw_auth_keystone.h"
#include "rgw_auth_registry.h"
+#include "rgw_es_query.h"
+
#include <typeinfo> // for 'typeid'
#include "rgw_ldap.h"
s->formatter->close_section();
}
-void rgw_get_errno_s3(rgw_http_errors *e , int err_no)
+void rgw_get_errno_s3(rgw_http_error *e , int err_no)
{
- const struct rgw_http_errors *r;
- r = search_err(err_no, RGW_HTTP_ERRORS, ARRAY_LEN(RGW_HTTP_ERRORS));
+ rgw_http_errors::const_iterator r = rgw_http_s3_errors.find(err_no);
- if (r) {
- e->http_ret = r->http_ret;
- e->s3_code = r->s3_code;
+ if (r != rgw_http_s3_errors.end()) {
+ e->http_ret = r->second.first;
+ e->s3_code = r->second.second;
} else {
e->http_ret = 500;
e->s3_code = "UnknownError";
dump_errno(s, custom_http_ret);
} else {
set_req_state_err(s, (partial_content && !op_ret) ? STATUS_PARTIAL_CONTENT
- : op_ret);
+ : op_ret);
dump_errno(s);
}
dump_content_length(s, total_len);
dump_last_modified(s, lastmod);
+ if (!version_id.empty()) {
+ dump_header(s, "x-amz-version-id", version_id);
+ }
+
if (! op_ret) {
if (! lo_etag.empty()) {
if (!content_type) {
content_type = iter->second.c_str();
}
+ } else if (strcmp(name, RGW_ATTR_SLO_UINDICATOR) == 0) {
+ // this attr has an extra length prefix from ::encode() in prior versions
+ dump_header(s, "X-Object-Meta-Static-Large-Object", "True");
} else if (strncmp(name, RGW_ATTR_META_PREFIX,
sizeof(RGW_ATTR_META_PREFIX)-1) == 0) {
/* User custom metadata. */
s->formatter->dump_string("Name", s->bucket_name);
s->formatter->dump_string("Prefix", prefix);
s->formatter->dump_string("KeyMarker", marker.name);
- if (is_truncated && !next_marker.empty())
+ s->formatter->dump_string("VersionIdMarker", marker.instance);
+ if (is_truncated && !next_marker.empty()) {
s->formatter->dump_string("NextKeyMarker", next_marker.name);
+ s->formatter->dump_string("NextVersionIdMarker", next_marker.instance);
+ }
s->formatter->dump_int("MaxKeys", max);
if (!delimiter.empty())
s->formatter->dump_string("Delimiter", delimiter);
auto data_deleter = std::unique_ptr<char, decltype(free)*>{data, free};
- if (s->aws4_auth_needs_complete) {
- int ret_auth = do_aws4_auth_completion();
- if (ret_auth < 0) {
- return ret_auth;
- }
+ r = do_aws4_auth_completion();
+ if (r < 0) {
+ return r;
}
RGWSetBucketVersioningParser parser;
auto data_deleter = std::unique_ptr<char, decltype(free)*>{data, free};
- if (s->aws4_auth_needs_complete) {
- int ret_auth = do_aws4_auth_completion();
- if (ret_auth < 0) {
- return ret_auth;
- }
+ r = do_aws4_auth_completion();
+ if (r < 0) {
+ return r;
}
+ bufferptr in_ptr(data, len);
+ in_data.append(in_ptr);
+
RGWXMLDecoder::XMLParser parser;
if (!parser.init()) {
ldout(s->cct, 0) << "ERROR: failed to initialize parser" << dendl;
auto data_deleter = std::unique_ptr<char, decltype(free)*>{data, free};
- if (s->aws4_auth_needs_complete) {
- int ret_auth = do_aws4_auth_completion();
- if (ret_auth < 0) {
- return ret_auth;
- }
+ const int auth_ret = do_aws4_auth_completion();
+ if (auth_ret < 0) {
+ return auth_ret;
}
bufferptr in_ptr(data, len);
int RGWPutObj_ObjStore_S3::get_params()
{
+ if (!s->length)
+ return -ERR_LENGTH_REQUIRED;
+
RGWObjectCtx& obj_ctx = *static_cast<RGWObjectCtx *>(s->obj_ctx);
map<string, bufferlist> src_attrs;
size_t pos;
int ret;
RGWAccessControlPolicy_S3 s3policy(s->cct);
- if (!s->length)
- return -ERR_LENGTH_REQUIRED;
-
ret = create_s3_policy(s, store, s3policy, s->owner);
if (ret < 0)
return ret;
#define VERSION_ID_STR "?versionId="
pos = copy_source_object_name.find(VERSION_ID_STR);
if (pos == std::string::npos) {
- url_decode(copy_source_object_name, copy_source_object_name);
+ copy_source_object_name = url_decode(copy_source_object_name);
} else {
copy_source_version_id = copy_source_object_name.substr(pos + sizeof(VERSION_ID_STR) - 1);
- url_decode(copy_source_object_name.substr(0, pos), copy_source_object_name);
+ copy_source_object_name = url_decode(copy_source_object_name.substr(0, pos));
}
pos = copy_source_bucket_name.find(":");
if (pos == std::string::npos) {
return RGWPutObj_ObjStore::get_params();
}
-int RGWPutObj_ObjStore_S3::validate_aws4_single_chunk(char *chunk_str,
- char *chunk_data_str,
- unsigned int chunk_data_size,
- string chunk_signature)
-{
-
- /* string to sign */
-
- string hash_empty_str;
- rgw_hash_s3_string_sha256("", 0, hash_empty_str);
-
- string hash_chunk_data;
- rgw_hash_s3_string_sha256(chunk_data_str, chunk_data_size, hash_chunk_data);
-
- string string_to_sign = "AWS4-HMAC-SHA256-PAYLOAD\n";
- string_to_sign.append(s->aws4_auth->date + "\n");
- string_to_sign.append(s->aws4_auth->credential_scope + "\n");
- string_to_sign.append(s->aws4_auth->seed_signature + "\n");
- string_to_sign.append(hash_empty_str + "\n");
- string_to_sign.append(hash_chunk_data);
-
- /* new chunk signature */
-
- char signature_k[CEPH_CRYPTO_HMACSHA256_DIGESTSIZE];
- calc_hmac_sha256(s->aws4_auth->signing_k, CEPH_CRYPTO_HMACSHA256_DIGESTSIZE,
- string_to_sign.c_str(), string_to_sign.size(), signature_k);
-
- char aux[CEPH_CRYPTO_HMACSHA256_DIGESTSIZE * 2 + 1];
- buf_to_hex((unsigned char *) signature_k, CEPH_CRYPTO_HMACSHA256_DIGESTSIZE, aux);
-
- string new_chunk_signature = string(aux);
-
- ldout(s->cct, 20) << "--------------- aws4 chunk validation" << dendl;
- ldout(s->cct, 20) << "chunk_signature = " << chunk_signature << dendl;
- ldout(s->cct, 20) << "new_chunk_signature = " << new_chunk_signature << dendl;
- ldout(s->cct, 20) << "aws4 chunk signing_key = " << s->aws4_auth->signing_key << dendl;
- ldout(s->cct, 20) << "aws4 chunk string_to_sign = " << rgw::crypt_sanitize::log_content{string_to_sign.c_str()} << dendl;
-
- /* chunk auth ok? */
-
- if (new_chunk_signature != chunk_signature) {
- ldout(s->cct, 20) << "ERROR: AWS4 chunk signature does NOT match (new_chunk_signature != chunk_signature)" << dendl;
- return -ERR_SIGNATURE_NO_MATCH;
- }
-
- /* update seed signature */
-
- s->aws4_auth->seed_signature = new_chunk_signature;
-
- return 0;
-}
-
-int RGWPutObj_ObjStore_S3::validate_and_unwrap_available_aws4_chunked_data(bufferlist& bl_in,
- bufferlist& bl_out)
-{
-
- /* string(IntHexBase(chunk-size)) + ";chunk-signature=" + signature + \r\n + chunk-data + \r\n */
-
- const unsigned int chunk_str_min_len = 1 + 17 + 64 + 2; /* len('0') = 1 */
-
- char *chunk_str = bl_in.c_str();
- unsigned int budget = bl_in.length();
-
- bl_out.clear();
-
- while (true) {
-
- /* check available metadata */
-
- if (budget < chunk_str_min_len) {
- return -ERR_SIGNATURE_NO_MATCH;
- }
-
- unsigned int chunk_offset = 0;
-
- /* grab chunk size */
-
- while ((chunk_offset < chunk_str_min_len) && (chunk_str[chunk_offset] != ';'))
- chunk_offset++;
- string str = string(chunk_str, chunk_offset);
- unsigned int chunk_data_size;
- stringstream ss;
- ss << std::hex << str;
- ss >> chunk_data_size;
- if (ss.fail()) {
- return -ERR_SIGNATURE_NO_MATCH;
- }
-
- /* grab chunk signature */
-
- chunk_offset += 17;
- string chunk_signature = string(chunk_str, chunk_offset, 64);
-
- /* get chunk data */
-
- chunk_offset += 64 + 2;
- char *chunk_data_str = chunk_str + chunk_offset;
-
- /* handle budget */
-
- budget -= chunk_offset;
- if (budget < chunk_data_size) {
- return -ERR_SIGNATURE_NO_MATCH;
- } else {
- budget -= chunk_data_size;
- }
-
- /* auth single chunk */
-
- if (validate_aws4_single_chunk(chunk_str, chunk_data_str, chunk_data_size, chunk_signature) < 0) {
- ldout(s->cct, 20) << "ERROR AWS4 single chunk validation" << dendl;
- return -ERR_SIGNATURE_NO_MATCH;
- }
-
- /* aggregate single chunk */
-
- bl_out.append(chunk_data_str, chunk_data_size);
-
- /* last chunk or no more budget? */
-
- if ((chunk_data_size == 0) || (budget == 0))
- break;
-
- /* next chunk */
-
- chunk_offset += chunk_data_size;
- chunk_str += chunk_offset;
- }
-
- /* authorization ok */
-
- return 0;
-
-}
-
int RGWPutObj_ObjStore_S3::get_data(bufferlist& bl)
{
- int ret = RGWPutObj_ObjStore::get_data(bl);
- if (ret < 0)
- s->aws4_auth_needs_complete = false;
-
- int ret_auth;
-
- if (s->aws4_auth_streaming_mode && ret > 0) {
- ret_auth = validate_and_unwrap_available_aws4_chunked_data(bl, s->aws4_auth->bl);
- if (ret_auth < 0) {
- return ret_auth;
- }
- }
-
- if ((ret == 0) && s->aws4_auth_needs_complete) {
- ret_auth = do_aws4_auth_completion();
+ const int ret = RGWPutObj_ObjStore::get_data(bl);
+ if (ret == 0) {
+ const int ret_auth = do_aws4_auth_completion();
if (ret_auth < 0) {
return ret_auth;
}
RGWRados::Object::Read read_op(&op_target);
read_op.params.attrs = &attrs;
- read_op.params.perr = &s->err;
return read_op.prepare();
}
int RGWPostObj_ObjStore_S3::get_policy()
{
if (part_bl(parts, "policy", &s->auth.s3_postobj_creds.encoded_policy)) {
- // check that the signature matches the encoded policy
- if (!part_str(parts, "AWSAccessKeyId",
- &s->auth.s3_postobj_creds.access_key)) {
- ldout(s->cct, 0) << "No S3 access key found!" << dendl;
- err_msg = "Missing access key";
- return -EINVAL;
+ bool aws4_auth = false;
+
+ /* x-amz-algorithm handling */
+ using rgw::auth::s3::AWS4_HMAC_SHA256_STR;
+ if ((part_str(parts, "x-amz-algorithm", &s->auth.s3_postobj_creds.x_amz_algorithm)) &&
+ (s->auth.s3_postobj_creds.x_amz_algorithm == AWS4_HMAC_SHA256_STR)) {
+ ldout(s->cct, 0) << "Signature verification algorithm AWS v4 (AWS4-HMAC-SHA256)" << dendl;
+ aws4_auth = true;
+ } else {
+ ldout(s->cct, 0) << "Signature verification algorithm AWS v2" << dendl;
}
- if (!part_str(parts, "signature", &s->auth.s3_postobj_creds.signature)) {
- ldout(s->cct, 0) << "No signature found!" << dendl;
- err_msg = "Missing signature";
- return -EINVAL;
- }
+ // check that the signature matches the encoded policy
+ if (aws4_auth) {
+ /* AWS4 */
+
+ /* x-amz-credential handling */
+ if (!part_str(parts, "x-amz-credential",
+ &s->auth.s3_postobj_creds.x_amz_credential)) {
+ ldout(s->cct, 0) << "No S3 aws4 credential found!" << dendl;
+ err_msg = "Missing aws4 credential";
+ return -EINVAL;
+ }
- /* FIXME: this is a makeshift solution. The browser upload authentication will be
- * handled by an instance of rgw::auth::Completer spawned in Handler's authorize()
- * method. */
- const auto& strategy = auth_registry_ptr->get_s3_post();
- try {
- auto result = strategy.authenticate(s);
- if (result.get_status() != decltype(result)::Status::GRANTED) {
- return -EACCES;
+ /* x-amz-signature handling */
+ if (!part_str(parts, "x-amz-signature",
+ &s->auth.s3_postobj_creds.signature)) {
+ ldout(s->cct, 0) << "No aws4 signature found!" << dendl;
+ err_msg = "Missing aws4 signature";
+ return -EINVAL;
}
- try {
- auto applier = result.get_applier();
+ /* x-amz-date handling */
+ std::string received_date_str;
+ if (!part_str(parts, "x-amz-date", &received_date_str)) {
+ ldout(s->cct, 0) << "No aws4 date found!" << dendl;
+ err_msg = "Missing aws4 date";
+ return -EINVAL;
+ }
+ } else {
+ /* AWS2 */
- applier->load_acct_info(*s->user);
- s->perm_mask = applier->get_perm_mask();
- applier->modify_request_state(s);
- s->auth.identity = std::move(applier);
+ // check that the signature matches the encoded policy
+ if (!part_str(parts, "AWSAccessKeyId",
+ &s->auth.s3_postobj_creds.access_key)) {
+ ldout(s->cct, 0) << "No S3 aws2 access key found!" << dendl;
+ err_msg = "Missing aws2 access key";
+ return -EINVAL;
+ }
- s->owner.set_id(s->user->user_id);
- s->owner.set_name(s->user->display_name);
- /* OK, fall through. */
- } catch (int err) {
- return -EACCES;
+ if (!part_str(parts, "signature", &s->auth.s3_postobj_creds.signature)) {
+ ldout(s->cct, 0) << "No aws2 signature found!" << dendl;
+ err_msg = "Missing aws2 signature";
+ return -EINVAL;
}
- } catch (int err) {
- return -EACCES;
}
- ldout(s->cct, 0) << "Successful Signature Verification!" << dendl;
+ /* FIXME: this is a makeshift solution. The browser upload authentication will be
+ * handled by an instance of rgw::auth::Completer spawned in Handler's authorize()
+ * method. */
+ const int ret = rgw::auth::Strategy::apply(auth_registry_ptr->get_s3_post(), s);
+ if (ret != 0) {
+ return -EACCES;
+ } else {
+ /* Populate the owner info. */
+ s->owner.set_id(s->user->user_id);
+ s->owner.set_name(s->user->display_name);
+ ldout(s->cct, 0) << "Successful Signature Verification!" << dendl;
+ }
ceph::bufferlist decoded_policy;
try {
return -EINVAL;
}
- post_policy.set_var_checked("AWSAccessKeyId");
+ if (aws4_auth) {
+ /* AWS4 */
+ post_policy.set_var_checked("x-amz-signature");
+ } else {
+ /* AWS2 */
+ post_policy.set_var_checked("AWSAccessKeyId");
+ post_policy.set_var_checked("signature");
+ }
post_policy.set_var_checked("policy");
- post_policy.set_var_checked("signature");
r = post_policy.check(&env, err_msg);
if (r < 0) {
}
if (if_unmod) {
- string if_unmod_str(if_unmod);
- string if_unmod_decoded;
- url_decode(if_unmod_str, if_unmod_decoded);
+ std::string if_unmod_decoded = url_decode(if_unmod);
uint64_t epoch;
uint64_t nsec;
if (utime_t::parse_date(if_unmod_decoded, &epoch, &nsec) < 0) {
int RGWPutACLs_ObjStore_S3::get_params()
{
int ret = RGWPutACLs_ObjStore::get_params();
- if (ret < 0)
- s->aws4_auth_needs_complete = false;
- if (s->aws4_auth_needs_complete) {
- int ret_auth = do_aws4_auth_completion();
+ if (ret >= 0) {
+ const int ret_auth = do_aws4_auth_completion();
if (ret_auth < 0) {
return ret_auth;
}
auto data_deleter = std::unique_ptr<char, decltype(free)*>{data, free};
- if (s->aws4_auth_needs_complete) {
- r = do_aws4_auth_completion();
- if (r < 0) {
- return r;
- }
+ r = do_aws4_auth_completion();
+ if (r < 0) {
+ return r;
}
if (!parser.init()) {
return -EINVAL;
}
+ // forward bucket cors requests to meta master zone
+ if (!store->is_meta_master()) {
+ /* only need to keep this data around if we're not meta master */
+ in_data.append(data, len);
+ }
+
if (s->cct->_conf->subsys.should_gather(ceph_subsys_rgw, 15)) {
ldout(s->cct, 15) << "CORSConfiguration";
cors_config->to_xml(*_dout);
return ret;
}
- if (s->aws4_auth_needs_complete) {
- int ret_auth = do_aws4_auth_completion();
- if (ret_auth < 0) {
- return ret_auth;
- }
- }
- return 0;
+ return do_aws4_auth_completion();
}
void RGWCompleteMultipart_ObjStore_S3::send_response()
return ret;
}
- if (s->aws4_auth_needs_complete) {
- int ret_auth = do_aws4_auth_completion();
- if (ret_auth < 0) {
- return ret_auth;
- }
- }
- return 0;
+ return do_aws4_auth_completion();
}
void RGWDeleteMultiObj_ObjStore_S3::send_status()
}
s->formatter->close_section();
} else if (op_ret < 0) {
- struct rgw_http_errors r;
+ struct rgw_http_error r;
int err_no;
s->formatter->open_object_section("Error");
rgw_flush_formatter(s, &f);
}
+int RGWConfigBucketMetaSearch_ObjStore_S3::get_params()
+{
+ auto iter = s->info.x_meta_map.find("x-amz-meta-search");
+ if (iter == s->info.x_meta_map.end()) {
+ s->err.message = "X-Rgw-Meta-Search header not provided";
+ ldout(s->cct, 5) << s->err.message << dendl;
+ return -EINVAL;
+ }
+
+ list<string> expressions;
+ get_str_list(iter->second, ",", expressions);
+
+ for (auto& expression : expressions) {
+ vector<string> args;
+ get_str_vec(expression, ";", args);
+
+ if (args.empty()) {
+ s->err.message = "invalid empty expression";
+ ldout(s->cct, 5) << s->err.message << dendl;
+ return -EINVAL;
+ }
+ if (args.size() > 2) {
+ s->err.message = string("invalid expression: ") + expression;
+ ldout(s->cct, 5) << s->err.message << dendl;
+ return -EINVAL;
+ }
+
+ string key = boost::algorithm::to_lower_copy(rgw_trim_whitespace(args[0]));
+ string val;
+ if (args.size() > 1) {
+ val = boost::algorithm::to_lower_copy(rgw_trim_whitespace(args[1]));
+ }
+
+ if (!boost::algorithm::starts_with(key, RGW_AMZ_META_PREFIX)) {
+ s->err.message = string("invalid expression, key must start with '" RGW_AMZ_META_PREFIX "' : ") + expression;
+ ldout(s->cct, 5) << s->err.message << dendl;
+ return -EINVAL;
+ }
+
+ key = key.substr(sizeof(RGW_AMZ_META_PREFIX) - 1);
+
+ ESEntityTypeMap::EntityType entity_type;
+
+ if (val.empty() || val == "str" || val == "string") {
+ entity_type = ESEntityTypeMap::ES_ENTITY_STR;
+ } else if (val == "int" || val == "integer") {
+ entity_type = ESEntityTypeMap::ES_ENTITY_INT;
+ } else if (val == "date" || val == "datetime") {
+ entity_type = ESEntityTypeMap::ES_ENTITY_DATE;
+ } else {
+ s->err.message = string("invalid entity type: ") + val;
+ ldout(s->cct, 5) << s->err.message << dendl;
+ return -EINVAL;
+ }
+
+ mdsearch_config[key] = entity_type;
+ }
+
+ return 0;
+}
+
+void RGWConfigBucketMetaSearch_ObjStore_S3::send_response()
+{
+ if (op_ret)
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ end_header(s, this);
+}
+
+void RGWGetBucketMetaSearch_ObjStore_S3::send_response()
+{
+ if (op_ret)
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ end_header(s, NULL, "application/xml");
+
+ Formatter *f = s->formatter;
+ f->open_array_section("GetBucketMetaSearchResult");
+ for (auto& e : s->bucket_info.mdsearch_config) {
+ f->open_object_section("Entry");
+ string k = string("x-amz-meta-") + e.first;
+ f->dump_string("Key", k.c_str());
+ const char *type;
+ switch (e.second) {
+ case ESEntityTypeMap::ES_ENTITY_INT:
+ type = "int";
+ break;
+ case ESEntityTypeMap::ES_ENTITY_DATE:
+ type = "date";
+ break;
+ default:
+ type = "str";
+ }
+ f->dump_string("Type", type);
+ f->close_section();
+ }
+ f->close_section();
+ rgw_flush_formatter(s, f);
+}
+
+void RGWDelBucketMetaSearch_ObjStore_S3::send_response()
+{
+ if (op_ret)
+ set_req_state_err(s, op_ret);
+ dump_errno(s);
+ end_header(s, this);
+}
+
+
RGWOp *RGWHandler_REST_Service_S3::op_get()
{
if (is_usage_op()) {
RGWOp *RGWHandler_REST_Bucket_S3::get_obj_op(bool get_data)
{
// Non-website mode
- if (get_data)
+ if (get_data) {
return new RGWListBucket_ObjStore_S3;
- else
+ } else {
return new RGWStatBucket_ObjStore_S3;
+ }
}
RGWOp *RGWHandler_REST_Bucket_S3::op_get()
return new RGWGetBucketWebsite_ObjStore_S3;
}
+ if (s->info.args.exists("mdsearch")) {
+ return new RGWGetBucketMetaSearch_ObjStore_S3;
+ }
+
if (is_acl_op()) {
return new RGWGetACLs_ObjStore_S3;
} else if (is_cors_op()) {
return new RGWListBucketMultiparts_ObjStore_S3;
} else if(is_lc_op()) {
return new RGWGetLC_ObjStore_S3;
+ } else if(is_policy_op()) {
+ return new RGWGetBucketPolicy;
}
return get_obj_op(true);
}
return new RGWSetRequestPayment_ObjStore_S3;
} else if(is_lc_op()) {
return new RGWPutLC_ObjStore_S3;
+ } else if(is_policy_op()) {
+ return new RGWPutBucketPolicy;
}
return new RGWCreateBucket_ObjStore_S3;
}
return new RGWDeleteCORS_ObjStore_S3;
} else if(is_lc_op()) {
return new RGWDeleteLC_ObjStore_S3;
+ } else if(is_policy_op()) {
+ return new RGWDeleteBucketPolicy;
}
if (s->info.args.sub_resource_exists("website")) {
return new RGWDeleteBucketWebsite_ObjStore_S3;
}
+ if (s->info.args.exists("mdsearch")) {
+ return new RGWDelBucketMetaSearch_ObjStore_S3;
+ }
+
return new RGWDeleteBucket_ObjStore_S3;
}
return new RGWDeleteMultiObj_ObjStore_S3;
}
+ if (s->info.args.exists("mdsearch")) {
+ return new RGWConfigBucketMetaSearch_ObjStore_S3;
+ }
+
return new RGWPostObj_ObjStore_S3;
}
if (s->info.args.exists("uploads"))
return new RGWInitMultipart_ObjStore_S3;
- return NULL;
+ return new RGWPostObj_ObjStore_S3;
}
RGWOp *RGWHandler_REST_Obj_S3::op_options()
return RGWHandler_REST::init(store, s, cio);
}
+enum class AwsVersion {
+ UNKOWN,
+ V2,
+ V4
+};
+
+enum class AwsRoute {
+ UNKOWN,
+ QUERY_STRING,
+ HEADERS
+};
+
+static inline std::pair<AwsVersion, AwsRoute>
+discover_aws_flavour(const req_info& info)
+{
+ using rgw::auth::s3::AWS4_HMAC_SHA256_STR;
+
+ AwsVersion version = AwsVersion::UNKOWN;
+ AwsRoute route = AwsRoute::UNKOWN;
+
+ const char* http_auth = info.env->get("HTTP_AUTHORIZATION");
+ if (http_auth && http_auth[0]) {
+ /* Authorization in Header */
+ route = AwsRoute::HEADERS;
+
+ if (!strncmp(http_auth, AWS4_HMAC_SHA256_STR,
+ strlen(AWS4_HMAC_SHA256_STR))) {
+ /* AWS v4 */
+ version = AwsVersion::V4;
+ } else if (!strncmp(http_auth, "AWS ", 4)) {
+ /* AWS v2 */
+ version = AwsVersion::V2;
+ }
+ } else {
+ route = AwsRoute::QUERY_STRING;
+
+ if (info.args.get("X-Amz-Algorithm") == AWS4_HMAC_SHA256_STR) {
+ /* AWS v4 */
+ version = AwsVersion::V4;
+ } else if (!info.args.get("AWSAccessKeyId").empty()) {
+ /* AWS v2 */
+ version = AwsVersion::V2;
+ }
+ }
+
+ return std::make_pair(version, route);
+}
+
static void init_anon_user(struct req_state *s)
{
rgw_get_anon_user(*(s->user));
return 0;
}
- if (!s->http_auth || !(*s->http_auth)) {
-
- /* AWS4 */
-
- string algorithm = s->info.args.get("X-Amz-Algorithm");
- if (algorithm.size()) {
- if (algorithm != "AWS4-HMAC-SHA256") {
- return -EPERM;
- }
- /* compute first aws4 signature (stick to the boto2 implementation) */
- int err = authorize_v4(store, s);
- if ((err==-ERR_SIGNATURE_NO_MATCH) && !store->ctx()->_conf->rgw_s3_auth_aws4_force_boto2_compat) {
- /* compute second aws4 signature (no bugs supported) */
- ldout(s->cct, 10) << "computing second aws4 signature..." << dendl;
- return authorize_v4(store, s, false);
- }
- return err;
- }
-
- /* AWS2 */
-
- string auth_id = s->info.args.get("AWSAccessKeyId");
- if (auth_id.size()) {
- return authorize_v2(store, auth_registry, s);
- }
-
- /* anonymous access */
+ AwsVersion version;
+ AwsRoute route;
+ std::tie(version, route) = discover_aws_flavour(s->info);
- init_anon_user(s);
+ if (route == AwsRoute::QUERY_STRING && version == AwsVersion::UNKOWN) {
+ /* FIXME(rzarzynski): handle anon user. */
+ init_anon_user(const_cast<req_state*>(s));
return 0;
-
- } else {
- /* Authorization in Header */
-
- /* AWS4 */
-
- if (!strncmp(s->http_auth, "AWS4-HMAC-SHA256", 16)) {
- return authorize_v4(store, s);
- }
-
- /* AWS2 */
-
- if (!strncmp(s->http_auth, "AWS ", 4)) {
- return authorize_v2(store, auth_registry, s);
- }
-
}
- return -EINVAL;
+ return authorize_v2(store, auth_registry, s);
}
-int RGW_Auth_S3::authorize_aws4_auth_complete(RGWRados *store, struct req_state *s)
+
+/*
+ * handle v2 signatures
+ */
+int RGW_Auth_S3::authorize_v2(RGWRados* const store,
+ const rgw::auth::StrategyRegistry& auth_registry,
+ struct req_state* const s)
{
- return authorize_v4_complete(store, s, "", false);
-}
-
-int RGW_Auth_S3::authorize_v4_complete(RGWRados *store, struct req_state *s, const string& request_payload, bool unsigned_payload)
-{
- size_t pos;
-
- /* craft canonical request */
-
- string canonical_req;
- string canonical_req_hash;
-
- rgw_create_s3_v4_canonical_request(s, s->aws4_auth->canonical_uri, s->aws4_auth->canonical_qs,
- s->aws4_auth->canonical_hdrs, s->aws4_auth->signed_hdrs, request_payload, unsigned_payload,
- canonical_req, canonical_req_hash);
-
- /* Validate x-amz-sha256 */
-
- if (s->aws4_auth_needs_complete) {
- const char *expected_request_payload_hash = s->info.env->get("HTTP_X_AMZ_CONTENT_SHA256");
- if (expected_request_payload_hash &&
- s->aws4_auth->payload_hash.compare(expected_request_payload_hash) != 0) {
- ldout(s->cct, 10) << "ERROR: x-amz-content-sha256 does not match" << dendl;
- return -ERR_AMZ_CONTENT_SHA256_MISMATCH;
- }
- }
-
- /*
- * create a string to sign
- *
- * http://docs.aws.amazon.com/general/latest/gr/sigv4-create-string-to-sign.html
- */
-
- string string_to_sign;
-
- rgw_create_s3_v4_string_to_sign(s->cct, "AWS4-HMAC-SHA256", s->aws4_auth->date, s->aws4_auth->credential_scope,
- canonical_req_hash, string_to_sign);
-
- /*
- * calculate the AWS signature
- *
- * http://docs.aws.amazon.com/general/latest/gr/sigv4-calculate-signature.html
- */
-
- string cs_aux = s->aws4_auth->credential_scope;
-
- string date_cs = cs_aux;
- pos = date_cs.find("/");
- date_cs = date_cs.substr(0, pos);
- cs_aux = cs_aux.substr(pos + 1, cs_aux.length());
-
- string region_cs = cs_aux;
- pos = region_cs.find("/");
- region_cs = region_cs.substr(0, pos);
- cs_aux = cs_aux.substr(pos + 1, cs_aux.length());
-
- string service_cs = cs_aux;
- pos = service_cs.find("/");
- service_cs = service_cs.substr(0, pos);
-
- int err = rgw_calculate_s3_v4_aws_signature(s, s->aws4_auth->access_key_id, date_cs,
- region_cs, service_cs, string_to_sign, s->aws4_auth->new_signature);
-
- ldout(s->cct, 10) << "----------------------------- Verifying signatures" << dendl;
- ldout(s->cct, 10) << "Signature = " << s->aws4_auth->signature << dendl;
- ldout(s->cct, 10) << "New Signature = " << s->aws4_auth->new_signature << dendl;
- ldout(s->cct, 10) << "-----------------------------" << dendl;
-
- if (err) {
- return err;
- }
-
- s->aws4_auth->seed_signature = s->aws4_auth->new_signature;
-
- return 0;
-
-}
-
-static inline bool is_base64_for_content_md5(unsigned char c) {
- return (isalnum(c) || isspace(c) || (c == '+') || (c == '/') || (c == '='));
-}
-
-static bool char_needs_aws4_escaping(char c)
-{
- if ((c >= 'a' && c <= 'z') ||
- (c >= 'A' && c <= 'Z') ||
- (c >= '0' && c <= '9')) {
- return false;
- }
-
- switch (c) {
- case '-':
- case '_':
- case '.':
- case '~':
- return false;
- }
- return true;
-}
-
-static void aws4_uri_encode(const string& src, string& dst)
-{
- const char *p = src.c_str();
- for (unsigned i = 0; i < src.size(); i++, p++) {
- if (char_needs_aws4_escaping(*p)) {
- rgw_uri_escape_char(*p, dst);
- continue;
- }
-
- dst.append(p, 1);
- }
-}
-
-static std::array<string, 3> aws4_presigned_required_keys = { "Credential", "SignedHeaders", "Signature" };
-
-/*
- * handle v4 signatures (rados auth only)
- */
-int RGW_Auth_S3::authorize_v4(RGWRados *store, struct req_state *s, bool force_boto2_compat /* = true */)
-{
- string::size_type pos;
- bool using_qs;
- /* used for pre-signatured url, We shouldn't return -ERR_REQUEST_TIME_SKEWED when
- current time <= X-Amz-Expires */
- bool qsr = false;
-
- uint64_t now_req = 0;
- uint64_t now = ceph_clock_now();
-
- /* v4 requires rados auth */
- if (!store->ctx()->_conf->rgw_s3_auth_use_rados) {
- return -EPERM;
- }
-
- try {
- s->aws4_auth = std::unique_ptr<rgw_aws4_auth>(new rgw_aws4_auth);
- } catch (std::bad_alloc&) {
- return -ENOMEM;
- }
-
- if ((!s->http_auth) || !(*s->http_auth)) {
-
- /* auth ships with req params ... */
-
- /* look for required params */
-
- using_qs = true;
- s->aws4_auth->credential = s->info.args.get("X-Amz-Credential");
- if (s->aws4_auth->credential.size() == 0) {
- return -EPERM;
- }
-
- s->aws4_auth->date = s->info.args.get("X-Amz-Date");
- struct tm date_t;
- if (!parse_iso8601(s->aws4_auth->date.c_str(), &date_t, NULL, false))
- return -EPERM;
-
- s->aws4_auth->expires = s->info.args.get("X-Amz-Expires");
- if (!s->aws4_auth->expires.empty()) {
- /* X-Amz-Expires provides the time period, in seconds, for which
- the generated presigned URL is valid. The minimum value
- you can set is 1, and the maximum is 604800 (seven days) */
- time_t exp = atoll(s->aws4_auth->expires.c_str());
- if ((exp < 1) || (exp > 7*24*60*60)) {
- dout(10) << "NOTICE: exp out of range, exp = " << exp << dendl;
- return -EPERM;
- }
- /* handle expiration in epoch time */
- now_req = (uint64_t)internal_timegm(&date_t);
- if (now >= now_req + exp) {
- dout(10) << "NOTICE: now = " << now << ", now_req = " << now_req << ", exp = " << exp << dendl;
- return -EPERM;
- }
- qsr = true;
- }
-
- if ((now_req < now - RGW_AUTH_GRACE_MINS * 60 ||
- now_req > now + RGW_AUTH_GRACE_MINS * 60) && !qsr) {
- dout(10) << "NOTICE: request time skew too big." << dendl;
- dout(10) << "now_req = " << now_req << " now = " << now
- << "; now - RGW_AUTH_GRACE_MINS="
- << now - RGW_AUTH_GRACE_MINS * 60
- << "; now + RGW_AUTH_GRACE_MINS="
- << now + RGW_AUTH_GRACE_MINS * 60 << dendl;
- return -ERR_REQUEST_TIME_SKEWED;
- }
-
- s->aws4_auth->signedheaders = s->info.args.get("X-Amz-SignedHeaders");
- if (s->aws4_auth->signedheaders.size() == 0) {
- return -EPERM;
- }
-
- s->aws4_auth->signature = s->info.args.get("X-Amz-Signature");
- if (s->aws4_auth->signature.size() == 0) {
- return -EPERM;
- }
-
- } else {
-
- /* auth ships in headers ... */
-
- /* ------------------------- handle Credential header */
-
- using_qs = false;
-
- string auth_str = s->http_auth;
-
-#define AWS4_HMAC_SHA256_STR "AWS4-HMAC-SHA256"
-#define CREDENTIALS_PREFIX_LEN (sizeof(AWS4_HMAC_SHA256_STR) - 1)
- uint64_t min_len = CREDENTIALS_PREFIX_LEN + 1;
- if (auth_str.length() < min_len) {
- ldout(store->ctx(), 10) << "credentials string is too short" << dendl;
- return -EINVAL;
- }
-
- list<string> auth_list;
- get_str_list(auth_str.substr(min_len), ",", auth_list);
-
- map<string, string> kv;
-
- for (string& s : auth_list) {
- string key, val;
- int ret = parse_key_value(s, key, val);
- if (ret < 0) {
- ldout(store->ctx(), 10) << "NOTICE: failed to parse auth header (s=" << s << ")" << dendl;
- return -EINVAL;
- }
- kv[key] = std::move(val);
- }
-
- for (string& k : aws4_presigned_required_keys) {
- if (kv.find(k) == kv.end()) {
- ldout(store->ctx(), 10) << "NOTICE: auth header missing key: " << k << dendl;
- return -EINVAL;
- }
- }
-
- s->aws4_auth->credential = std::move(kv["Credential"]);
- s->aws4_auth->signedheaders = std::move(kv["SignedHeaders"]);
- s->aws4_auth->signature = std::move(kv["Signature"]);
-
- /* sig hex str */
- dout(10) << "v4 signature format = " << s->aws4_auth->signature << dendl;
-
- /* ------------------------- handle x-amz-date header */
-
- /* grab date */
-
- const char *d = s->info.env->get("HTTP_X_AMZ_DATE");
- struct tm t;
- if (!parse_iso8601(d, &t, NULL, false)) {
- dout(10) << "error reading date via http_x_amz_date" << dendl;
- return -EACCES;
- }
- s->aws4_auth->date = d;
- }
-
- /* AKIAIVKTAZLOCF43WNQD/AAAAMMDD/region/host/aws4_request */
- dout(10) << "v4 credential format = " << s->aws4_auth->credential << dendl;
-
- if (std::count(s->aws4_auth->credential.begin(), s->aws4_auth->credential.end(), '/') != 4) {
- return -EINVAL;
- }
-
- /* credential must end with 'aws4_request' */
- if (s->aws4_auth->credential.find("aws4_request") == std::string::npos) {
- return -EINVAL;
- }
-
- /* grab access key id */
-
- pos = s->aws4_auth->credential.find("/");
- s->aws4_auth->access_key_id = s->aws4_auth->credential.substr(0, pos);
-
- dout(10) << "access key id = " << s->aws4_auth->access_key_id << dendl;
-
- /* grab credential scope */
-
- s->aws4_auth->credential_scope = s->aws4_auth->credential.substr(pos + 1, s->aws4_auth->credential.length());
-
- dout(10) << "credential scope = " << s->aws4_auth->credential_scope << dendl;
-
- /* grab user information */
-
- if (rgw_get_user_info_by_access_key(store, s->aws4_auth->access_key_id, *s->user) < 0) {
- dout(10) << "error reading user info, uid=" << s->aws4_auth->access_key_id
- << " can't authenticate" << dendl;
- return -ERR_INVALID_ACCESS_KEY;
- }
-
- /*
- * create a canonical request
- *
- * http://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html
- */
-
- /* craft canonical uri */
-
- /* here code should normalize via rfc3986 but S3 does **NOT** do path normalization
- * that SigV4 typically does. this code follows the same approach that boto library
- * see auth.py:canonical_uri(...) */
-
- s->aws4_auth->canonical_uri = s->info.request_uri_aws4;
-
- if (s->aws4_auth->canonical_uri.empty()) {
- s->aws4_auth->canonical_uri = "/";
- } else {
- boost::replace_all(s->aws4_auth->canonical_uri, "+", "%20");
- }
-
- /* craft canonical query string */
-
- s->aws4_auth->canonical_qs = s->info.request_params;
-
- if (!s->aws4_auth->canonical_qs.empty()) {
-
- /* handle case when query string exists. Step 3 in
- * http://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html */
-
- map<string, string> canonical_qs_map;
- istringstream cqs(s->aws4_auth->canonical_qs);
- string keyval;
-
- while (getline(cqs, keyval, '&')) {
- string key, val;
- istringstream kv(keyval);
- getline(kv, key, '=');
- getline(kv, val, '=');
- if (!using_qs || key != "X-Amz-Signature") {
- string encoded_key;
- string encoded_val;
- if (key != "X-Amz-Credential") {
- string key_decoded;
- url_decode(key, key_decoded);
- if (key.length() != key_decoded.length()) {
- encoded_key = key;
- } else {
- aws4_uri_encode(key, encoded_key);
- }
- string val_decoded;
- url_decode(val, val_decoded);
- if (val.length() != val_decoded.length()) {
- encoded_val = val;
- } else {
- aws4_uri_encode(val, encoded_val);
- }
- } else {
- encoded_key = key;
- encoded_val = val;
- }
- canonical_qs_map[encoded_key] = encoded_val;
- }
- }
-
- s->aws4_auth->canonical_qs = "";
-
- map<string, string>::iterator last = canonical_qs_map.end();
- --last;
-
- for (map<string, string>::iterator it = canonical_qs_map.begin();
- it != canonical_qs_map.end(); ++it) {
- s->aws4_auth->canonical_qs.append(it->first + "=" + it->second);
- if (it != last) {
- s->aws4_auth->canonical_qs.append("&");
- }
- }
-
- }
-
- /* craft canonical headers */
-
- map<string, string> canonical_hdrs_map;
- istringstream sh(s->aws4_auth->signedheaders);
- string token;
- string port = s->info.env->get("SERVER_PORT", "");
- string secure_port = s->info.env->get("SERVER_PORT_SECURE", "");
-
- while (getline(sh, token, ';')) {
- string token_env = "HTTP_" + token;
- transform(token_env.begin(), token_env.end(), token_env.begin(), ::toupper);
- replace(token_env.begin(), token_env.end(), '-', '_');
- if (token_env == "HTTP_CONTENT_LENGTH") {
- token_env = "CONTENT_LENGTH";
- }
- if (token_env == "HTTP_CONTENT_TYPE") {
- token_env = "CONTENT_TYPE";
- }
- const char *t = s->info.env->get(token_env.c_str());
- if (!t) {
- dout(10) << "warning env var not available" << dendl;
- continue;
- }
- if (token_env == "HTTP_CONTENT_MD5") {
- for (const char *p = t; *p; p++) {
- if (!is_base64_for_content_md5(*p)) {
- dout(0) << "NOTICE: bad content-md5 provided (not base64), aborting request p=" << *p << " " << (int)*p << dendl;
- return -EPERM;
- }
- }
- }
- string token_value = string(t);
- if (force_boto2_compat && using_qs && (token == "host")) {
- if (!secure_port.empty()) {
- if (secure_port != "443")
- token_value = token_value + ":" + secure_port;
- } else if (!port.empty()) {
- if (port != "80")
- token_value = token_value + ":" + port;
- }
- }
- canonical_hdrs_map[token] = rgw_trim_whitespace(token_value);
- }
-
- for (map<string, string>::iterator it = canonical_hdrs_map.begin();
- it != canonical_hdrs_map.end(); ++it) {
- s->aws4_auth->canonical_hdrs.append(it->first + ":" + it->second + "\n");
- }
-
- dout(10) << "canonical headers format = " << s->aws4_auth->canonical_hdrs << dendl;
-
- /* craft signed headers */
-
- s->aws4_auth->signed_hdrs = s->aws4_auth->signedheaders;
-
- /* handle request payload */
-
- s->aws4_auth->payload_hash = "";
-
- string request_payload;
-
- bool unsigned_payload = false;
- s->aws4_auth_streaming_mode = false;
-
- if (using_qs) {
- /* query parameters auth */
- unsigned_payload = true;
- } else {
- /* header auth */
- const char *request_payload_hash = s->info.env->get("HTTP_X_AMZ_CONTENT_SHA256");
- if (request_payload_hash) {
- unsigned_payload = string("UNSIGNED-PAYLOAD").compare(request_payload_hash) == 0;
- if (!unsigned_payload) {
- s->aws4_auth_streaming_mode = string("STREAMING-AWS4-HMAC-SHA256-PAYLOAD").compare(request_payload_hash) == 0;
- }
- }
- }
-
- /* from rfc2616 - 4.3 Message Body
- *
- * "The presence of a message-body in a request is signaled by the inclusion of a
- * Content-Length or Transfer-Encoding header field in the request's message-headers."
- */
- bool body_available = s->content_length != 0 || s->info.env->get("HTTP_TRANSFER_ENCODING") != NULL;
-
- if (unsigned_payload || !body_available) {
-
- /* requests lacking of body or shipping with 'UNSIGNED-PAYLOAD' are authenticated now */
-
- /* complete aws4 auth */
-
- int err = authorize_v4_complete(store, s, request_payload, unsigned_payload);
- if (err) {
- return err;
- }
-
- /* verify signature */
-
- if (s->aws4_auth->signature != s->aws4_auth->new_signature) {
- return -ERR_SIGNATURE_NO_MATCH;
- }
-
- /* authorization ok */
-
- dout(10) << "v4 auth ok" << dendl;
-
- /* aws4 auth completed */
-
- s->aws4_auth_needs_complete = false;
-
- } else {
-
- /* aws4 auth not completed... delay aws4 auth */
-
- if (!s->aws4_auth_streaming_mode) {
-
- dout(10) << "delaying v4 auth" << dendl;
-
- /* payload in a single chunk */
-
- switch (s->op_type)
- {
- case RGW_OP_CREATE_BUCKET:
- case RGW_OP_PUT_OBJ:
- case RGW_OP_PUT_ACLS:
- case RGW_OP_PUT_CORS:
- case RGW_OP_COMPLETE_MULTIPART:
- case RGW_OP_SET_BUCKET_VERSIONING:
- case RGW_OP_DELETE_MULTI_OBJ:
- case RGW_OP_ADMIN_SET_METADATA:
- case RGW_OP_SET_BUCKET_WEBSITE:
- break;
- default:
- dout(10) << "ERROR: AWS4 completion for this operation NOT IMPLEMENTED" << dendl;
- return -ERR_NOT_IMPLEMENTED;
- }
-
- s->aws4_auth_needs_complete = true;
-
- } else {
-
- dout(10) << "body content detected in multiple chunks" << dendl;
-
- /* payload in multiple chunks */
-
- switch(s->op_type)
- {
- case RGW_OP_PUT_OBJ:
- break;
- default:
- dout(10) << "ERROR: AWS4 completion for this operation NOT IMPLEMENTED (streaming mode)" << dendl;
- return -ERR_NOT_IMPLEMENTED;
- }
-
- /* calculate seed */
-
- int err = authorize_v4_complete(store, s, "", unsigned_payload);
- if (err) {
- return err;
- }
-
- /* verify seed signature */
-
- if (s->aws4_auth->signature != s->aws4_auth->new_signature) {
- dout(10) << "ERROR: AWS4 seed signature does NOT match!" << dendl;
- return -ERR_SIGNATURE_NO_MATCH;
- }
-
- dout(10) << "aws4 seed signature ok... delaying v4 auth" << dendl;
-
- s->aws4_auth_needs_complete = false;
-
- }
-
- }
-
- map<string, RGWAccessKey>::iterator iter = s->user->access_keys.find(s->aws4_auth->access_key_id);
- if (iter == s->user->access_keys.end()) {
- dout(0) << "ERROR: access key not encoded in user info" << dendl;
- return -EPERM;
- }
-
- RGWAccessKey& k = iter->second;
-
- if (!k.subuser.empty()) {
- map<string, RGWSubUser>::iterator uiter = s->user->subusers.find(k.subuser);
- if (uiter == s->user->subusers.end()) {
- dout(0) << "NOTICE: could not find subuser: " << k.subuser << dendl;
- return -EPERM;
- }
- RGWSubUser& subuser = uiter->second;
- s->perm_mask = subuser.perm_mask;
- } else {
- s->perm_mask = RGW_PERM_FULL_CONTROL;
- }
-
- if (s->user->system) {
- s->system_request = true;
- dout(20) << "system request" << dendl;
- s->info.args.set_system();
- string euid = s->info.args.get(RGW_SYS_PARAM_PREFIX "uid");
- rgw_user effective_uid(euid);
- RGWUserInfo effective_user;
- if (!effective_uid.empty()) {
- int ret = rgw_get_user_info_by_uid(store, effective_uid, effective_user);
- if (ret < 0) {
- ldout(s->cct, 0) << "User lookup failed!" << dendl;
- return -EACCES;
- }
- *(s->user) = effective_user;
- }
- }
-
- // populate the owner info
- s->owner.set_id(s->user->user_id);
- s->owner.set_name(s->user->display_name);
-
- return 0;
-}
-
-/*
- * handle v2 signatures
- */
-int RGW_Auth_S3::authorize_v2(RGWRados* const store,
- const rgw::auth::StrategyRegistry& auth_registry,
- struct req_state* const s)
-{
- const auto& auth_strategy = auth_registry.get_s3_main();
- try {
- auto result = auth_strategy.authenticate(s);
- if (result.get_status() != decltype(result)::Status::GRANTED) {
- ldout(s->cct, 5) << "Failed the S3 auth strategy, reason="
- << result.get_reason() << dendl;
- return result.get_reason();
- }
- try {
- auto applier = result.get_applier();
-
- applier->load_acct_info(*s->user);
- s->perm_mask = applier->get_perm_mask();
- applier->modify_request_state(s);
- s->auth.identity = std::move(applier);
-
- /* Populate the owner info. */
- s->owner.set_id(s->user->user_id);
- s->owner.set_name(s->user->display_name);
-
- /* Success - not throwed. */
- return 0;
- } catch (const int err) {
- ldout(s->cct, 5) << "applier threw err=" << err << dendl;
- return err;
- }
- } catch (const int err) {
- ldout(s->cct, 5) << "local auth engine threw err=" << err << dendl;
- return err;
- }
-
- return -ERR_SIGNATURE_NO_MATCH;
+ const auto ret = rgw::auth::Strategy::apply(auth_registry.get_s3_main(), s);
+ if (ret == 0) {
+ /* Populate the owner info. */
+ s->owner.set_id(s->user->user_id);
+ s->owner.set_name(s->user->display_name);
+ }
+ return ret;
}
int RGWHandler_Auth_S3::init(RGWRados *store, struct req_state *state,
int RGWHandler_REST_S3Website::error_handler(int err_no,
string* error_content) {
int new_err_no = -1;
- const struct rgw_http_errors* r;
+ rgw_http_errors::const_iterator r = rgw_http_s3_errors.find(err_no > 0 ? err_no : -err_no);
int http_error_code = -1;
- r = search_err(err_no > 0 ? err_no : -err_no, RGW_HTTP_ERRORS, ARRAY_LEN(RGW_HTTP_ERRORS));
- if (r) {
- http_error_code = r->http_ret;
+
+ if (r != rgw_http_s3_errors.end()) {
+ http_error_code = r->second.first;
}
ldout(s->cct, 10) << "RGWHandler_REST_S3Website::error_handler err_no=" << err_no << " http_ret=" << http_error_code << dendl;
namespace auth {
namespace s3 {
-bool rgw::auth::s3::RGWS3V2Extractor::is_time_skew_ok(const utime_t& header_time,
- const bool qsr) const
+bool AWSGeneralAbstractor::is_time_skew_ok(const utime_t& header_time,
+ const bool qsr) const
{
/* Check for time skew first. */
const time_t req_sec = header_time.sec();
}
}
-std::tuple<Version2ndEngine::Extractor::access_key_id_t,
- Version2ndEngine::Extractor::signature_t,
- Version2ndEngine::Extractor::string_to_sign_t>
-rgw::auth::s3::RGWS3V2Extractor::get_auth_data(const req_state* const s) const
+
+static rgw::auth::Completer::cmplptr_t
+null_completer_factory(const boost::optional<std::string>& secret_key)
{
- std::string access_key_id;
- std::string signature;
+ return nullptr;
+}
+
+
+using AWSVerAbstractor = AWSEngine::VersionAbstractor;
+
+std::tuple<AWSVerAbstractor::access_key_id_t,
+ AWSVerAbstractor::client_signature_t,
+ AWSVerAbstractor::string_to_sign_t,
+ AWSVerAbstractor::signature_factory_t,
+ AWSVerAbstractor::completer_factory_t>
+AWSGeneralAbstractor::get_auth_data(const req_state* const s) const
+{
+ AwsVersion version;
+ AwsRoute route;
+ std::tie(version, route) = discover_aws_flavour(s->info);
+
+ if (version == AwsVersion::V2) {
+ return get_auth_data_v2(s);
+ } else if (version == AwsVersion::V4) {
+ return get_auth_data_v4(s, route == AwsRoute::QUERY_STRING);
+ } else {
+ /* FIXME(rzarzynski): handle anon user. */
+ throw -EINVAL;
+ }
+}
+
+boost::optional<std::string>
+AWSGeneralAbstractor::get_v4_canonical_headers(
+ const req_info& info,
+ const boost::string_view& signedheaders,
+ const bool using_qs) const
+{
+ return rgw::auth::s3::get_v4_canonical_headers(info, signedheaders,
+ using_qs, false);
+}
+
+std::tuple<AWSVerAbstractor::access_key_id_t,
+ AWSVerAbstractor::client_signature_t,
+ AWSVerAbstractor::string_to_sign_t,
+ AWSVerAbstractor::signature_factory_t,
+ AWSVerAbstractor::completer_factory_t>
+AWSGeneralAbstractor::get_auth_data_v4(const req_state* const s,
+ /* FIXME: const. */
+ bool using_qs) const
+{
+ boost::string_view access_key_id;
+ boost::string_view signed_hdrs;
+
+ boost::string_view date;
+ boost::string_view credential_scope;
+ boost::string_view client_signature;
+
+ int ret = rgw::auth::s3::parse_credentials(s->info,
+ access_key_id,
+ credential_scope,
+ signed_hdrs,
+ client_signature,
+ date,
+ using_qs);
+ if (ret < 0) {
+ throw ret;
+ }
+
+ /* craft canonical headers */
+ boost::optional<std::string> canonical_headers = \
+ get_v4_canonical_headers(s->info, signed_hdrs, using_qs);
+ if (canonical_headers) {
+ ldout(s->cct, 10) << "canonical headers format = " << *canonical_headers
+ << dendl;
+ } else {
+ throw -EPERM;
+ }
+
+ /* Get the expected hash. */
+ auto exp_payload_hash = rgw::auth::s3::get_v4_exp_payload_hash(s->info);
+
+ /* Craft canonical URI. Using std::move later so let it be non-const. */
+ auto canonical_uri = rgw::auth::s3::get_v4_canonical_uri(s->info);
+
+ /* Craft canonical query string. std::moving later so non-const here. */
+ auto canonical_qs = rgw::auth::s3::get_v4_canonical_qs(s->info, using_qs);
+
+ /* Craft canonical request. */
+ auto canonical_req_hash = \
+ rgw::auth::s3::get_v4_canon_req_hash(s->cct,
+ s->info.method,
+ std::move(canonical_uri),
+ std::move(canonical_qs),
+ std::move(*canonical_headers),
+ signed_hdrs,
+ exp_payload_hash);
+
+ auto string_to_sign = \
+ rgw::auth::s3::get_v4_string_to_sign(s->cct,
+ AWS4_HMAC_SHA256_STR,
+ date,
+ credential_scope,
+ std::move(canonical_req_hash));
+
+ const auto sig_factory = std::bind(rgw::auth::s3::get_v4_signature,
+ credential_scope,
+ std::placeholders::_1,
+ std::placeholders::_2,
+ std::placeholders::_3);
+
+ /* Requests authenticated with the Query Parameters are treated as unsigned.
+ * From "Authenticating Requests: Using Query Parameters (AWS Signature
+ * Version 4)":
+ *
+ * You don't include a payload hash in the Canonical Request, because
+ * when you create a presigned URL, you don't know the payload content
+ * because the URL is used to upload an arbitrary payload. Instead, you
+ * use a constant string UNSIGNED-PAYLOAD.
+ *
+ * This means we have absolutely no business in spawning completer. Both
+ * aws4_auth_needs_complete and aws4_auth_streaming_mode are set to false
+ * by default. We don't need to change that. */
+ if (is_v4_payload_unsigned(exp_payload_hash) || is_v4_payload_empty(s)) {
+ return std::make_tuple(access_key_id,
+ client_signature,
+ std::move(string_to_sign),
+ sig_factory,
+ null_completer_factory);
+ } else {
+ /* We're going to handle a signed payload. Be aware that even empty HTTP
+ * body (no payload) requires verification:
+ *
+ * The x-amz-content-sha256 header is required for all AWS Signature
+ * Version 4 requests. It provides a hash of the request payload. If
+ * there is no payload, you must provide the hash of an empty string. */
+ if (!is_v4_payload_streamed(exp_payload_hash)) {
+ ldout(s->cct, 10) << "delaying v4 auth" << dendl;
+
+ /* payload in a single chunk */
+ switch (s->op_type)
+ {
+ case RGW_OP_CREATE_BUCKET:
+ case RGW_OP_PUT_OBJ:
+ case RGW_OP_PUT_ACLS:
+ case RGW_OP_PUT_CORS:
+ case RGW_OP_COMPLETE_MULTIPART:
+ case RGW_OP_SET_BUCKET_VERSIONING:
+ case RGW_OP_DELETE_MULTI_OBJ:
+ case RGW_OP_ADMIN_SET_METADATA:
+ case RGW_OP_SET_BUCKET_WEBSITE:
+ case RGW_OP_PUT_BUCKET_POLICY:
+ break;
+ default:
+ dout(10) << "ERROR: AWS4 completion for this operation NOT IMPLEMENTED" << dendl;
+ throw -ERR_NOT_IMPLEMENTED;
+ }
+
+ const auto cmpl_factory = std::bind(AWSv4ComplSingle::create,
+ s,
+ std::placeholders::_1);
+ return std::make_tuple(access_key_id,
+ client_signature,
+ std::move(string_to_sign),
+ sig_factory,
+ cmpl_factory);
+ } else {
+ /* IMHO "streamed" doesn't fit too good here. I would prefer to call
+ * it "chunked" but let's be coherent with Amazon's terminology. */
+
+ dout(10) << "body content detected in multiple chunks" << dendl;
+
+ /* payload in multiple chunks */
+
+ switch(s->op_type)
+ {
+ case RGW_OP_PUT_OBJ:
+ break;
+ default:
+ dout(10) << "ERROR: AWS4 completion for this operation NOT IMPLEMENTED (streaming mode)" << dendl;
+ throw -ERR_NOT_IMPLEMENTED;
+ }
+
+ dout(10) << "aws4 seed signature ok... delaying v4 auth" << dendl;
+
+ /* In the case of streamed payload client sets the x-amz-content-sha256
+ * to "STREAMING-AWS4-HMAC-SHA256-PAYLOAD" but uses "UNSIGNED-PAYLOAD"
+ * when constructing the Canonical Request. */
+
+ /* In the case of single-chunk upload client set the header's value is
+ * coherent with the one used for Canonical Request crafting. */
+
+ /* In the case of query string-based authentication there should be no
+ * x-amz-content-sha256 header and the value "UNSIGNED-PAYLOAD" is used
+ * for CanonReq. */
+ const auto cmpl_factory = std::bind(AWSv4ComplMulti::create,
+ s,
+ date,
+ credential_scope,
+ client_signature,
+ std::placeholders::_1);
+ return std::make_tuple(access_key_id,
+ client_signature,
+ std::move(string_to_sign),
+ sig_factory,
+ cmpl_factory);
+ }
+ }
+}
+
+
+boost::optional<std::string>
+AWSGeneralBoto2Abstractor::get_v4_canonical_headers(
+ const req_info& info,
+ const boost::string_view& signedheaders,
+ const bool using_qs) const
+{
+ return rgw::auth::s3::get_v4_canonical_headers(info, signedheaders,
+ using_qs, true);
+}
+
+
+std::tuple<AWSVerAbstractor::access_key_id_t,
+ AWSVerAbstractor::client_signature_t,
+ AWSVerAbstractor::string_to_sign_t,
+ AWSVerAbstractor::signature_factory_t,
+ AWSVerAbstractor::completer_factory_t>
+AWSGeneralAbstractor::get_auth_data_v2(const req_state* const s) const
+{
+ boost::string_view access_key_id;
+ boost::string_view signature;
bool qsr = false;
- if (! s->http_auth || s->http_auth[0] == '\0') {
+ const char* http_auth = s->info.env->get("HTTP_AUTHORIZATION");
+ if (! http_auth || http_auth[0] == '\0') {
/* Credentials are provided in query string. We also need to verify
* the "Expires" parameter now. */
access_key_id = s->info.args.get("AWSAccessKeyId");
signature = s->info.args.get("Signature");
qsr = true;
- std::string expires = s->info.args.get("Expires");
+ boost::string_view expires = s->info.args.get("Expires");
if (! expires.empty()) {
- const time_t exp = atoll(expires.c_str());
+ /* It looks we have the guarantee that expires is a null-terminated,
+ * and thus string_view::data() can be safely used. */
+ const time_t exp = atoll(expires.data());
time_t now;
time(&now);
}
} else {
/* The "Authorization" HTTP header is being used. */
- const std::string auth_str(s->http_auth + strlen("AWS "));
+ const boost::string_view auth_str(http_auth + strlen("AWS "));
const size_t pos = auth_str.rfind(':');
- if (pos != std::string::npos) {
+ if (pos != boost::string_view::npos) {
access_key_id = auth_str.substr(0, pos);
signature = auth_str.substr(pos + 1);
}
return std::make_tuple(std::move(access_key_id),
std::move(signature),
- std::move(string_to_sign));
+ std::move(string_to_sign),
+ rgw::auth::s3::get_v2_signature,
+ null_completer_factory);
+}
+
+
+std::tuple<AWSVerAbstractor::access_key_id_t,
+ AWSVerAbstractor::client_signature_t,
+ AWSVerAbstractor::string_to_sign_t,
+ AWSVerAbstractor::signature_factory_t,
+ AWSVerAbstractor::completer_factory_t>
+AWSBrowserUploadAbstractor::get_auth_data_v2(const req_state* const s) const
+{
+ return std::make_tuple(s->auth.s3_postobj_creds.access_key,
+ s->auth.s3_postobj_creds.signature,
+ to_string(s->auth.s3_postobj_creds.encoded_policy),
+ rgw::auth::s3::get_v2_signature,
+ null_completer_factory);
+}
+
+std::tuple<AWSVerAbstractor::access_key_id_t,
+ AWSVerAbstractor::client_signature_t,
+ AWSVerAbstractor::string_to_sign_t,
+ AWSVerAbstractor::signature_factory_t,
+ AWSVerAbstractor::completer_factory_t>
+AWSBrowserUploadAbstractor::get_auth_data_v4(const req_state* const s) const
+{
+ const boost::string_view credential = s->auth.s3_postobj_creds.x_amz_credential;
+
+ /* grab access key id */
+ const size_t pos = credential.find("/");
+ const boost::string_view access_key_id = credential.substr(0, pos);
+ dout(10) << "access key id = " << access_key_id << dendl;
+
+ /* grab credential scope */
+ const boost::string_view credential_scope = credential.substr(pos + 1);
+ dout(10) << "credential scope = " << credential_scope << dendl;
+
+ const auto sig_factory = std::bind(rgw::auth::s3::get_v4_signature,
+ credential_scope,
+ std::placeholders::_1,
+ std::placeholders::_2,
+ std::placeholders::_3);
+
+ return std::make_tuple(access_key_id,
+ s->auth.s3_postobj_creds.signature,
+ to_string(s->auth.s3_postobj_creds.encoded_policy),
+ sig_factory,
+ null_completer_factory);
+}
+
+std::tuple<AWSVerAbstractor::access_key_id_t,
+ AWSVerAbstractor::client_signature_t,
+ AWSVerAbstractor::string_to_sign_t,
+ AWSVerAbstractor::signature_factory_t,
+ AWSVerAbstractor::completer_factory_t>
+AWSBrowserUploadAbstractor::get_auth_data(const req_state* const s) const
+{
+ if (s->auth.s3_postobj_creds.x_amz_algorithm == AWS4_HMAC_SHA256_STR) {
+ ldout(s->cct, 0) << "Signature verification algorithm AWS v4"
+ << " (AWS4-HMAC-SHA256)" << dendl;
+ return get_auth_data_v2(s);
+ } else {
+ ldout(s->cct, 0) << "Signature verification algorithm AWS v2" << dendl;
+ return get_auth_data_v2(s);
+ }
+}
+
+
+AWSEngine::result_t
+AWSEngine::authenticate(const req_state* const s) const
+{
+ boost::string_view access_key_id;
+ boost::string_view signature;
+ VersionAbstractor::string_to_sign_t string_to_sign;
+
+ VersionAbstractor::signature_factory_t signature_factory;
+ VersionAbstractor::completer_factory_t completer_factory;
+
+ /* Small reminder: an ver_abstractor is allowed to throw! */
+ std::tie(access_key_id,
+ signature,
+ string_to_sign,
+ signature_factory,
+ completer_factory) = ver_abstractor.get_auth_data(s);
+
+ if (access_key_id.empty() || signature.empty()) {
+ return result_t::deny(-EINVAL);
+ } else {
+ return authenticate(access_key_id, signature, string_to_sign,
+ signature_factory, completer_factory, s);
+ }
}
} /* namespace s3 */
}
rgw::auth::Engine::result_t
-rgw::auth::s3::LDAPEngine::authenticate(const std::string& access_key_id,
- const std::string& signature,
- const std::string& string_to_sign,
- const req_state* const s) const
+rgw::auth::s3::LDAPEngine::authenticate(
+ const boost::string_view& access_key_id,
+ const boost::string_view& signature,
+ const string_to_sign_t& string_to_sign,
+ const signature_factory_t&,
+ const completer_factory_t& completer_factory,
+ const req_state* const s) const
{
/* boost filters and/or string_ref may throw on invalid input */
rgw::RGWToken base64_token;
auto apl = apl_factory->create_apl_remote(cct, s, get_acl_strategy(),
get_creds_info(base64_token));
- return result_t::grant(std::move(apl));
+ return result_t::grant(std::move(apl), completer_factory(boost::none));
}
-/* LocalVersion2ndEngine */
+/* LocalEndgine */
rgw::auth::Engine::result_t
-rgw::auth::s3::LocalVersion2ndEngine::authenticate(const std::string& access_key_id,
- const std::string& signature,
- const std::string& string_to_sign,
- const req_state* const s) const
+rgw::auth::s3::LocalEngine::authenticate(
+ const boost::string_view& _access_key_id,
+ const boost::string_view& signature,
+ const string_to_sign_t& string_to_sign,
+ const signature_factory_t& signature_factory,
+ const completer_factory_t& completer_factory,
+ const req_state* const s) const
{
/* get the user info */
RGWUserInfo user_info;
+ /* TODO(rzarzynski): we need to have string-view taking variant. */
+ const std::string access_key_id = _access_key_id.to_string();
if (rgw_get_user_info_by_access_key(store, access_key_id, user_info) < 0) {
ldout(cct, 5) << "error reading user info, uid=" << access_key_id
<< " can't authenticate" << dendl;
//TODO: Uncomment, when we have a migration plan in place.
/*else {
if (s->user->type != TYPE_RGW) {
- ldout(cct, 10) << "ERROR: User id of type: " << s->user->type << " is present" << dendl;
+ ldout(cct, 10) << "ERROR: User id of type: " << s->user->type
+ << " is present" << dendl;
throw -EPERM;
}
}*/
}
const RGWAccessKey& k = iter->second;
- std::string digest;
- int ret = rgw_get_s3_header_digest(string_to_sign, k.key, digest);
- if (ret < 0) {
- return result_t::deny(-EPERM);
- }
+ const VersionAbstractor::server_signature_t server_signature = \
+ signature_factory(cct, k.key, string_to_sign);
- ldout(cct, 15) << "string_to_sign=" << rgw::crypt_sanitize::log_content{string_to_sign.c_str()} << dendl;
- ldout(cct, 15) << "calculated digest=" << digest << dendl;
- ldout(cct, 15) << "auth signature=" << signature << dendl;
- ldout(cct, 15) << "compare=" << signature.compare(digest) << dendl;
+ ldout(cct, 15) << "string_to_sign="
+ << rgw::crypt_sanitize::log_content{string_to_sign}
+ << dendl;
+ ldout(cct, 15) << "server signature=" << server_signature << dendl;
+ ldout(cct, 15) << "client signature=" << signature << dendl;
+ ldout(cct, 15) << "compare=" << signature.compare(server_signature) << dendl;
- if (signature != digest) {
+ if (static_cast<boost::string_view>(server_signature) != signature) {
return result_t::deny(-ERR_SIGNATURE_NO_MATCH);
}
auto apl = apl_factory->create_apl_local(cct, s, user_info, k.subuser);
- return result_t::grant(std::move(apl));
+ return result_t::grant(std::move(apl), completer_factory(k.key));
}
projects / ceph.git / blobdiff