/* * s3fs - FUSE-based file system backed by Amazon S3 * * Copyright(C) 2007 Randy Rizun * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include #include #include #include #include #include #include #include #include "common.h" #include "s3fs.h" #include "s3fs_logger.h" #include "curl.h" #include "curl_multi.h" #include "curl_util.h" #include "s3fs_auth.h" #include "autolock.h" #include "curl_handlerpool.h" #include "s3fs_cred.h" #include "s3fs_util.h" #include "string_util.h" #include "addhead.h" //------------------------------------------------------------------- // Symbols //------------------------------------------------------------------- static const char EMPTY_PAYLOAD_HASH[] = "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"; static const char EMPTY_MD5_BASE64_HASH[] = "1B2M2Y8AsgTpgAmY7PhCfg=="; //------------------------------------------------------------------- // Class S3fsCurl //------------------------------------------------------------------- static const int MULTIPART_SIZE = 10 * 1024 * 1024; static const int GET_OBJECT_RESPONSE_LIMIT = 1024; // [NOTE] about default mime.types file // If no mime.types file is specified in the mime option, s3fs // will look for /etc/mime.types on all operating systems and // load mime information. // However, in the case of macOS, when this file does not exist, // it tries to detect the /etc/apache2/mime.types file. // The reason for this is that apache2 is preinstalled on macOS, // and the mime.types file is expected to exist in this path. // If the mime.types file is not found, s3fs will exit with an // error. // static const char DEFAULT_MIME_FILE[] = "/etc/mime.types"; static const char SPECIAL_DARWIN_MIME_FILE[] = "/etc/apache2/mime.types"; // [NOTICE] // This symbol is for libcurl under 7.23.0 #ifndef CURLSHE_NOT_BUILT_IN #define CURLSHE_NOT_BUILT_IN 5 #endif //------------------------------------------------------------------- // Class S3fsCurl //------------------------------------------------------------------- const long S3fsCurl::S3FSCURL_RESPONSECODE_NOTSET; const long S3fsCurl::S3FSCURL_RESPONSECODE_FATAL_ERROR; const int S3fsCurl::S3FSCURL_PERFORM_RESULT_NOTSET; pthread_mutex_t S3fsCurl::curl_warnings_lock; pthread_mutex_t S3fsCurl::curl_handles_lock; S3fsCurl::callback_locks_t S3fsCurl::callback_locks; bool S3fsCurl::is_initglobal_done = false; CurlHandlerPool* S3fsCurl::sCurlPool = NULL; int S3fsCurl::sCurlPoolSize = 32; CURLSH* S3fsCurl::hCurlShare = NULL; bool S3fsCurl::is_cert_check = true; // default bool S3fsCurl::is_dns_cache = true; // default bool S3fsCurl::is_ssl_session_cache= true; // default long S3fsCurl::connect_timeout = 300; // default time_t S3fsCurl::readwrite_timeout = 120; // default int S3fsCurl::retries = 5; // default bool S3fsCurl::is_public_bucket = false; acl_t S3fsCurl::default_acl = acl_t::PRIVATE; std::string S3fsCurl::storage_class = "STANDARD"; sseckeylist_t S3fsCurl::sseckeys; std::string S3fsCurl::ssekmsid; sse_type_t S3fsCurl::ssetype = sse_type_t::SSE_DISABLE; bool S3fsCurl::is_content_md5 = false; bool S3fsCurl::is_verbose = false; bool S3fsCurl::is_dump_body = false; S3fsCred* S3fsCurl::ps3fscred = NULL; long S3fsCurl::ssl_verify_hostname = 1; // default(original code...) // protected by curl_warnings_lock bool S3fsCurl::curl_warnings_once = false; // protected by curl_handles_lock curltime_t S3fsCurl::curl_times; curlprogress_t S3fsCurl::curl_progress; std::string S3fsCurl::curl_ca_bundle; mimes_t S3fsCurl::mimeTypes; std::string S3fsCurl::userAgent; int S3fsCurl::max_parallel_cnt = 5; // default int S3fsCurl::max_multireq = 20; // default off_t S3fsCurl::multipart_size = MULTIPART_SIZE; // default off_t S3fsCurl::multipart_copy_size = 512 * 1024 * 1024; // default signature_type_t S3fsCurl::signature_type = V2_OR_V4; // default bool S3fsCurl::is_unsigned_payload = false; // default bool S3fsCurl::is_ua = true; // default bool S3fsCurl::listobjectsv2 = false; // default bool S3fsCurl::requester_pays = false; // default std::string S3fsCurl::proxy_url; bool S3fsCurl::proxy_http = false; std::string S3fsCurl::proxy_userpwd; //------------------------------------------------------------------- // Class methods for S3fsCurl //------------------------------------------------------------------- bool S3fsCurl::InitS3fsCurl() { pthread_mutexattr_t attr; pthread_mutexattr_init(&attr); #if S3FS_PTHREAD_ERRORCHECK pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ERRORCHECK); #endif if(0 != pthread_mutex_init(&S3fsCurl::curl_warnings_lock, &attr)){ return false; } if(0 != pthread_mutex_init(&S3fsCurl::curl_handles_lock, &attr)){ return false; } if(0 != pthread_mutex_init(&S3fsCurl::callback_locks.dns, &attr)){ return false; } if(0 != pthread_mutex_init(&S3fsCurl::callback_locks.ssl_session, &attr)){ return false; } if(!S3fsCurl::InitGlobalCurl()){ return false; } if(!S3fsCurl::InitShareCurl()){ return false; } if(!S3fsCurl::InitCryptMutex()){ return false; } // [NOTE] // sCurlPoolSize must be over parallel(or multireq) count. // if(sCurlPoolSize < std::max(GetMaxParallelCount(), GetMaxMultiRequest())){ sCurlPoolSize = std::max(GetMaxParallelCount(), GetMaxMultiRequest()); } sCurlPool = new CurlHandlerPool(sCurlPoolSize); if (!sCurlPool->Init()) { return false; } return true; } bool S3fsCurl::DestroyS3fsCurl() { bool result = true; if(!S3fsCurl::DestroyCryptMutex()){ result = false; } if(!sCurlPool->Destroy()){ result = false; } delete sCurlPool; sCurlPool = NULL; if(!S3fsCurl::DestroyShareCurl()){ result = false; } if(!S3fsCurl::DestroyGlobalCurl()){ result = false; } if(0 != pthread_mutex_destroy(&S3fsCurl::callback_locks.dns)){ result = false; } if(0 != pthread_mutex_destroy(&S3fsCurl::callback_locks.ssl_session)){ result = false; } if(0 != pthread_mutex_destroy(&S3fsCurl::curl_handles_lock)){ result = false; } if(0 != pthread_mutex_destroy(&S3fsCurl::curl_warnings_lock)){ result = false; } return result; } bool S3fsCurl::InitGlobalCurl() { if(S3fsCurl::is_initglobal_done){ return false; } if(CURLE_OK != curl_global_init(CURL_GLOBAL_ALL)){ S3FS_PRN_ERR("init_curl_global_all returns error."); return false; } S3fsCurl::is_initglobal_done = true; return true; } bool S3fsCurl::DestroyGlobalCurl() { if(!S3fsCurl::is_initglobal_done){ return false; } curl_global_cleanup(); S3fsCurl::is_initglobal_done = false; return true; } bool S3fsCurl::InitShareCurl() { CURLSHcode nSHCode; if(!S3fsCurl::is_dns_cache && !S3fsCurl::is_ssl_session_cache){ S3FS_PRN_INFO("Curl does not share DNS data."); return true; } if(S3fsCurl::hCurlShare){ S3FS_PRN_WARN("already initiated."); return false; } if(NULL == (S3fsCurl::hCurlShare = curl_share_init())){ S3FS_PRN_ERR("curl_share_init failed"); return false; } if(CURLSHE_OK != (nSHCode = curl_share_setopt(S3fsCurl::hCurlShare, CURLSHOPT_LOCKFUNC, S3fsCurl::LockCurlShare))){ S3FS_PRN_ERR("curl_share_setopt(LOCKFUNC) returns %d(%s)", nSHCode, curl_share_strerror(nSHCode)); return false; } if(CURLSHE_OK != (nSHCode = curl_share_setopt(S3fsCurl::hCurlShare, CURLSHOPT_UNLOCKFUNC, S3fsCurl::UnlockCurlShare))){ S3FS_PRN_ERR("curl_share_setopt(UNLOCKFUNC) returns %d(%s)", nSHCode, curl_share_strerror(nSHCode)); return false; } if(S3fsCurl::is_dns_cache){ nSHCode = curl_share_setopt(S3fsCurl::hCurlShare, CURLSHOPT_SHARE, CURL_LOCK_DATA_DNS); if(CURLSHE_OK != nSHCode && CURLSHE_BAD_OPTION != nSHCode && CURLSHE_NOT_BUILT_IN != nSHCode){ S3FS_PRN_ERR("curl_share_setopt(DNS) returns %d(%s)", nSHCode, curl_share_strerror(nSHCode)); return false; }else if(CURLSHE_BAD_OPTION == nSHCode || CURLSHE_NOT_BUILT_IN == nSHCode){ S3FS_PRN_WARN("curl_share_setopt(DNS) returns %d(%s), but continue without shared dns data.", nSHCode, curl_share_strerror(nSHCode)); } } if(S3fsCurl::is_ssl_session_cache){ nSHCode = curl_share_setopt(S3fsCurl::hCurlShare, CURLSHOPT_SHARE, CURL_LOCK_DATA_SSL_SESSION); if(CURLSHE_OK != nSHCode && CURLSHE_BAD_OPTION != nSHCode && CURLSHE_NOT_BUILT_IN != nSHCode){ S3FS_PRN_ERR("curl_share_setopt(SSL SESSION) returns %d(%s)", nSHCode, curl_share_strerror(nSHCode)); return false; }else if(CURLSHE_BAD_OPTION == nSHCode || CURLSHE_NOT_BUILT_IN == nSHCode){ S3FS_PRN_WARN("curl_share_setopt(SSL SESSION) returns %d(%s), but continue without shared ssl session data.", nSHCode, curl_share_strerror(nSHCode)); } } if(CURLSHE_OK != (nSHCode = curl_share_setopt(S3fsCurl::hCurlShare, CURLSHOPT_USERDATA, &S3fsCurl::callback_locks))){ S3FS_PRN_ERR("curl_share_setopt(USERDATA) returns %d(%s)", nSHCode, curl_share_strerror(nSHCode)); return false; } return true; } bool S3fsCurl::DestroyShareCurl() { if(!S3fsCurl::hCurlShare){ if(!S3fsCurl::is_dns_cache && !S3fsCurl::is_ssl_session_cache){ return true; } S3FS_PRN_WARN("already destroy share curl."); return false; } if(CURLSHE_OK != curl_share_cleanup(S3fsCurl::hCurlShare)){ return false; } S3fsCurl::hCurlShare = NULL; return true; } void S3fsCurl::LockCurlShare(CURL* handle, curl_lock_data nLockData, curl_lock_access laccess, void* useptr) { if(!hCurlShare){ return; } S3fsCurl::callback_locks_t* locks = static_cast(useptr); int result; if(CURL_LOCK_DATA_DNS == nLockData){ if(0 != (result = pthread_mutex_lock(&locks->dns))){ S3FS_PRN_CRIT("pthread_mutex_lock returned: %d", result); abort(); } }else if(CURL_LOCK_DATA_SSL_SESSION == nLockData){ if(0 != (result = pthread_mutex_lock(&locks->ssl_session))){ S3FS_PRN_CRIT("pthread_mutex_lock returned: %d", result); abort(); } } } void S3fsCurl::UnlockCurlShare(CURL* handle, curl_lock_data nLockData, void* useptr) { if(!hCurlShare){ return; } S3fsCurl::callback_locks_t* locks = static_cast(useptr); int result; if(CURL_LOCK_DATA_DNS == nLockData){ if(0 != (result = pthread_mutex_unlock(&locks->dns))){ S3FS_PRN_CRIT("pthread_mutex_unlock returned: %d", result); abort(); } }else if(CURL_LOCK_DATA_SSL_SESSION == nLockData){ if(0 != (result = pthread_mutex_unlock(&locks->ssl_session))){ S3FS_PRN_CRIT("pthread_mutex_unlock returned: %d", result); abort(); } } } bool S3fsCurl::InitCryptMutex() { return s3fs_init_crypt_mutex(); } bool S3fsCurl::DestroyCryptMutex() { return s3fs_destroy_crypt_mutex(); } // homegrown timeout mechanism int S3fsCurl::CurlProgress(void *clientp, double dltotal, double dlnow, double ultotal, double ulnow) { CURL* curl = static_cast(clientp); time_t now = time(0); progress_t p(dlnow, ulnow); AutoLock lock(&S3fsCurl::curl_handles_lock); // any progress? if(p != S3fsCurl::curl_progress[curl]){ // yes! S3fsCurl::curl_times[curl] = now; S3fsCurl::curl_progress[curl] = p; }else{ // timeout? if(now - S3fsCurl::curl_times[curl] > readwrite_timeout){ S3FS_PRN_ERR("timeout now: %lld, curl_times[curl]: %lld, readwrite_timeout: %lld", static_cast(now), static_cast((S3fsCurl::curl_times[curl])), static_cast(readwrite_timeout)); return CURLE_ABORTED_BY_CALLBACK; } } return 0; } bool S3fsCurl::InitCredentialObject(S3fsCred* pcredobj) { // Set the only Credential object if(!pcredobj || S3fsCurl::ps3fscred){ S3FS_PRN_ERR("Unable to set the only Credential object."); return false; } S3fsCurl::ps3fscred = pcredobj; return true; } bool S3fsCurl::InitMimeType(const std::string& strFile) { std::string MimeFile; if(!strFile.empty()){ MimeFile = strFile; }else{ // search default mime.types std::string errPaths = DEFAULT_MIME_FILE; struct stat st; if(0 == stat(DEFAULT_MIME_FILE, &st)){ MimeFile = DEFAULT_MIME_FILE; }else if(compare_sysname("Darwin")){ // for macOS, search another default file. if(0 == stat(SPECIAL_DARWIN_MIME_FILE, &st)){ MimeFile = SPECIAL_DARWIN_MIME_FILE; }else{ errPaths += " and "; errPaths += SPECIAL_DARWIN_MIME_FILE; } } if(MimeFile.empty()){ S3FS_PRN_WARN("Could not find mime.types files, you have to create file(%s) or specify mime option for existing mime.types file.", errPaths.c_str()); return false; } } S3FS_PRN_DBG("Try to load mime types from %s file.", MimeFile.c_str()); std::ifstream MT(MimeFile.c_str()); if(MT.good()){ S3FS_PRN_DBG("The old mime types are cleared to load new mime types."); S3fsCurl::mimeTypes.clear(); std::string line; while(getline(MT, line)){ if(line.empty()){ continue; } if(line[0]=='#'){ continue; } std::istringstream tmp(line); std::string mimeType; tmp >> mimeType; std::string ext; while(tmp >> ext){ S3fsCurl::mimeTypes[ext] = mimeType; } } S3FS_PRN_INIT_INFO("Loaded mime information from %s", MimeFile.c_str()); }else{ S3FS_PRN_WARN("Could not load mime types from %s, please check the existence and permissions of this file.", MimeFile.c_str()); return false; } return true; } void S3fsCurl::InitUserAgent() { if(S3fsCurl::userAgent.empty()){ S3fsCurl::userAgent = "s3fs/"; S3fsCurl::userAgent += VERSION; S3fsCurl::userAgent += " (commit hash "; S3fsCurl::userAgent += COMMIT_HASH_VAL; S3fsCurl::userAgent += "; "; S3fsCurl::userAgent += s3fs_crypt_lib_name(); S3fsCurl::userAgent += ")"; S3fsCurl::userAgent += instance_name; } } // // @param s e.g., "index.html" // @return e.g., "text/html" // std::string S3fsCurl::LookupMimeType(const std::string& name) { if(!name.empty() && name[name.size() - 1] == '/'){ return "application/x-directory"; } std::string result("application/octet-stream"); std::string::size_type last_pos = name.find_last_of('.'); std::string::size_type first_pos = name.find_first_of('.'); std::string prefix, ext, ext2; // No dots in name, just return if(last_pos == std::string::npos){ return result; } // extract the last extension ext = name.substr(1+last_pos, std::string::npos); if (last_pos != std::string::npos) { // one dot was found, now look for another if (first_pos != std::string::npos && first_pos < last_pos) { prefix = name.substr(0, last_pos); // Now get the second to last file extension std::string::size_type next_pos = prefix.find_last_of('.'); if (next_pos != std::string::npos) { ext2 = prefix.substr(1+next_pos, std::string::npos); } } } // if we get here, then we have an extension (ext) mimes_t::const_iterator iter = S3fsCurl::mimeTypes.find(ext); // if the last extension matches a mimeType, then return // that mime type if (iter != S3fsCurl::mimeTypes.end()) { result = (*iter).second; return result; } // return with the default result if there isn't a second extension if(first_pos == last_pos){ return result; } // Didn't find a mime-type for the first extension // Look for second extension in mimeTypes, return if found iter = S3fsCurl::mimeTypes.find(ext2); if (iter != S3fsCurl::mimeTypes.end()) { result = (*iter).second; return result; } // neither the last extension nor the second-to-last extension // matched a mimeType, return the default mime type return result; } bool S3fsCurl::LocateBundle() { // See if environment variable CURL_CA_BUNDLE is set // if so, check it, if it is a good path, then set the // curl_ca_bundle variable to it if(S3fsCurl::curl_ca_bundle.empty()){ char* CURL_CA_BUNDLE = getenv("CURL_CA_BUNDLE"); if(CURL_CA_BUNDLE != NULL) { // check for existence and readability of the file std::ifstream BF(CURL_CA_BUNDLE); if(!BF.good()){ S3FS_PRN_ERR("%s: file specified by CURL_CA_BUNDLE environment variable is not readable", program_name.c_str()); return false; } BF.close(); S3fsCurl::curl_ca_bundle = CURL_CA_BUNDLE; return true; } }else{ // Already set ca bundle variable return true; } // not set via environment variable, look in likely locations /////////////////////////////////////////// // following comment from curl's (7.21.2) acinclude.m4 file /////////////////////////////////////////// // dnl CURL_CHECK_CA_BUNDLE // dnl ------------------------------------------------- // dnl Check if a default ca-bundle should be used // dnl // dnl regarding the paths this will scan: // dnl /etc/ssl/certs/ca-certificates.crt Debian systems // dnl /etc/pki/tls/certs/ca-bundle.crt Redhat and Mandriva // dnl /usr/share/ssl/certs/ca-bundle.crt old(er) Redhat // dnl /usr/local/share/certs/ca-root.crt FreeBSD // dnl /etc/ssl/cert.pem OpenBSD // dnl /etc/ssl/certs/ (ca path) SUSE /////////////////////////////////////////// // Within CURL the above path should have been checked // according to the OS. Thus, although we do not need // to check files here, we will only examine some files. // std::ifstream BF("/etc/pki/tls/certs/ca-bundle.crt"); if(BF.good()){ BF.close(); S3fsCurl::curl_ca_bundle = "/etc/pki/tls/certs/ca-bundle.crt"; }else{ BF.open("/etc/ssl/certs/ca-certificates.crt"); if(BF.good()){ BF.close(); S3fsCurl::curl_ca_bundle = "/etc/ssl/certs/ca-certificates.crt"; }else{ BF.open("/usr/share/ssl/certs/ca-bundle.crt"); if(BF.good()){ BF.close(); S3fsCurl::curl_ca_bundle = "/usr/share/ssl/certs/ca-bundle.crt"; }else{ BF.open("/usr/local/share/certs/ca-root.crt"); if(BF.good()){ BF.close(); S3fsCurl::curl_ca_bundle = "/usr/share/ssl/certs/ca-bundle.crt"; }else{ S3FS_PRN_ERR("%s: /.../ca-bundle.crt is not readable", program_name.c_str()); return false; } } } } return true; } size_t S3fsCurl::WriteMemoryCallback(void* ptr, size_t blockSize, size_t numBlocks, void* data) { BodyData* body = static_cast(data); if(!body->Append(ptr, blockSize, numBlocks)){ S3FS_PRN_CRIT("BodyData.Append() returned false."); S3FS_FUSE_EXIT(); return -1; } return (blockSize * numBlocks); } size_t S3fsCurl::ReadCallback(void* ptr, size_t size, size_t nmemb, void* userp) { S3fsCurl* pCurl = static_cast(userp); if(1 > (size * nmemb)){ return 0; } if(0 >= pCurl->postdata_remaining){ return 0; } size_t copysize = std::min(static_cast(size * nmemb), pCurl->postdata_remaining); memcpy(ptr, pCurl->postdata, copysize); pCurl->postdata_remaining = (pCurl->postdata_remaining > static_cast(copysize) ? (pCurl->postdata_remaining - copysize) : 0); pCurl->postdata += static_cast(copysize); return copysize; } size_t S3fsCurl::HeaderCallback(void* data, size_t blockSize, size_t numBlocks, void* userPtr) { headers_t* headers = static_cast(userPtr); std::string header(static_cast(data), blockSize * numBlocks); std::string key; std::istringstream ss(header); if(getline(ss, key, ':')){ // Force to lower, only "x-amz" std::string lkey = key; transform(lkey.begin(), lkey.end(), lkey.begin(), static_cast(std::tolower)); if(is_prefix(lkey.c_str(), "x-amz")){ key = lkey; } std::string value; getline(ss, value); (*headers)[key] = trim(value); } return blockSize * numBlocks; } size_t S3fsCurl::UploadReadCallback(void* ptr, size_t size, size_t nmemb, void* userp) { S3fsCurl* pCurl = static_cast(userp); if(1 > (size * nmemb)){ return 0; } if(-1 == pCurl->partdata.fd || 0 >= pCurl->partdata.size){ return 0; } // read size ssize_t copysize = (size * nmemb) < (size_t)pCurl->partdata.size ? (size * nmemb) : (size_t)pCurl->partdata.size; ssize_t readbytes; ssize_t totalread; // read and set for(totalread = 0, readbytes = 0; totalread < copysize; totalread += readbytes){ readbytes = pread(pCurl->partdata.fd, &(static_cast(ptr))[totalread], (copysize - totalread), pCurl->partdata.startpos + totalread); if(0 == readbytes){ // eof break; }else if(-1 == readbytes){ // error S3FS_PRN_ERR("read file error(%d).", errno); return 0; } } pCurl->partdata.startpos += totalread; pCurl->partdata.size -= totalread; return totalread; } size_t S3fsCurl::DownloadWriteCallback(void* ptr, size_t size, size_t nmemb, void* userp) { S3fsCurl* pCurl = static_cast(userp); if(1 > (size * nmemb)){ return 0; } if(-1 == pCurl->partdata.fd || 0 >= pCurl->partdata.size){ return 0; } // Buffer initial bytes in case it is an XML error response. if(pCurl->bodydata.size() < GET_OBJECT_RESPONSE_LIMIT){ pCurl->bodydata.Append(ptr, std::min(size * nmemb, GET_OBJECT_RESPONSE_LIMIT - pCurl->bodydata.size())); } // write size ssize_t copysize = (size * nmemb) < (size_t)pCurl->partdata.size ? (size * nmemb) : (size_t)pCurl->partdata.size; ssize_t writebytes; ssize_t totalwrite; // write for(totalwrite = 0, writebytes = 0; totalwrite < copysize; totalwrite += writebytes){ writebytes = pwrite(pCurl->partdata.fd, &(static_cast(ptr))[totalwrite], (copysize - totalwrite), pCurl->partdata.startpos + totalwrite); if(0 == writebytes){ // eof? break; }else if(-1 == writebytes){ // error S3FS_PRN_ERR("write file error(%d).", errno); return 0; } } pCurl->partdata.startpos += totalwrite; pCurl->partdata.size -= totalwrite; return totalwrite; } bool S3fsCurl::SetCheckCertificate(bool isCertCheck) { bool old = S3fsCurl::is_cert_check; S3fsCurl::is_cert_check = isCertCheck; return old; } bool S3fsCurl::SetDnsCache(bool isCache) { bool old = S3fsCurl::is_dns_cache; S3fsCurl::is_dns_cache = isCache; return old; } void S3fsCurl::ResetOffset(S3fsCurl* pCurl) { pCurl->partdata.startpos = pCurl->b_partdata_startpos; pCurl->partdata.size = pCurl->b_partdata_size; } bool S3fsCurl::SetSslSessionCache(bool isCache) { bool old = S3fsCurl::is_ssl_session_cache; S3fsCurl::is_ssl_session_cache = isCache; return old; } long S3fsCurl::SetConnectTimeout(long timeout) { long old = S3fsCurl::connect_timeout; S3fsCurl::connect_timeout = timeout; return old; } time_t S3fsCurl::SetReadwriteTimeout(time_t timeout) { time_t old = S3fsCurl::readwrite_timeout; S3fsCurl::readwrite_timeout = timeout; return old; } int S3fsCurl::SetRetries(int count) { int old = S3fsCurl::retries; S3fsCurl::retries = count; return old; } bool S3fsCurl::SetPublicBucket(bool flag) { bool old = S3fsCurl::is_public_bucket; S3fsCurl::is_public_bucket = flag; return old; } acl_t S3fsCurl::SetDefaultAcl(acl_t acl) { acl_t old = S3fsCurl::default_acl; S3fsCurl::default_acl = acl; return old; } acl_t S3fsCurl::GetDefaultAcl() { return S3fsCurl::default_acl; } std::string S3fsCurl::SetStorageClass(const std::string& storage_class) { std::string old = S3fsCurl::storage_class; S3fsCurl::storage_class = storage_class; // AWS requires uppercase storage class values transform(S3fsCurl::storage_class.begin(), S3fsCurl::storage_class.end(), S3fsCurl::storage_class.begin(), ::toupper); return old; } bool S3fsCurl::PushbackSseKeys(const std::string& input) { std::string onekey = trim(input); if(onekey.empty()){ return false; } if('#' == onekey[0]){ return false; } // make base64 if the key is short enough, otherwise assume it is already so std::string base64_key; std::string raw_key; if(onekey.length() > 256 / 8){ char* p_key; size_t keylength; if(NULL != (p_key = reinterpret_cast(s3fs_decode64(onekey.c_str(), onekey.size(), &keylength)))) { raw_key = std::string(p_key, keylength); base64_key = onekey; delete[] p_key; } else { S3FS_PRN_ERR("Failed to convert base64 to SSE-C key %s", onekey.c_str()); return false; } } else { char* pbase64_key; if(NULL != (pbase64_key = s3fs_base64(reinterpret_cast(onekey.c_str()), onekey.length()))) { raw_key = onekey; base64_key = pbase64_key; delete[] pbase64_key; } else { S3FS_PRN_ERR("Failed to convert base64 from SSE-C key %s", onekey.c_str()); return false; } } // make MD5 std::string strMd5; if(!make_md5_from_binary(raw_key.c_str(), raw_key.length(), strMd5)){ S3FS_PRN_ERR("Could not make MD5 from SSE-C keys(%s).", raw_key.c_str()); return false; } // mapped MD5 = SSE Key sseckeymap_t md5map; md5map.clear(); md5map[strMd5] = base64_key; S3fsCurl::sseckeys.push_back(md5map); return true; } sse_type_t S3fsCurl::SetSseType(sse_type_t type) { sse_type_t old = S3fsCurl::ssetype; S3fsCurl::ssetype = type; return old; } bool S3fsCurl::SetSseCKeys(const char* filepath) { if(!filepath){ S3FS_PRN_ERR("SSE-C keys filepath is empty."); return false; } struct stat st; if(0 != stat(filepath, &st)){ S3FS_PRN_ERR("could not open use_sse keys file(%s).", filepath); return false; } if(st.st_mode & (S_IXUSR | S_IRWXG | S_IRWXO)){ S3FS_PRN_ERR("use_sse keys file %s should be 0600 permissions.", filepath); return false; } S3fsCurl::sseckeys.clear(); std::ifstream ssefs(filepath); if(!ssefs.good()){ S3FS_PRN_ERR("Could not open SSE-C keys file(%s).", filepath); return false; } std::string line; while(getline(ssefs, line)){ S3fsCurl::PushbackSseKeys(line); } if(S3fsCurl::sseckeys.empty()){ S3FS_PRN_ERR("There is no SSE Key in file(%s).", filepath); return false; } return true; } bool S3fsCurl::SetSseKmsid(const char* kmsid) { if(!kmsid || '\0' == kmsid[0]){ S3FS_PRN_ERR("SSE-KMS kms id is empty."); return false; } S3fsCurl::ssekmsid = kmsid; return true; } // [NOTE] // Because SSE is set by some options and environment, // this function check the integrity of the SSE data finally. bool S3fsCurl::FinalCheckSse() { switch(S3fsCurl::ssetype){ case sse_type_t::SSE_DISABLE: S3fsCurl::ssekmsid.erase(); return true; case sse_type_t::SSE_S3: S3fsCurl::ssekmsid.erase(); return true; case sse_type_t::SSE_C: if(S3fsCurl::sseckeys.empty()){ S3FS_PRN_ERR("sse type is SSE-C, but there is no custom key."); return false; } S3fsCurl::ssekmsid.erase(); return true; case sse_type_t::SSE_KMS: if(S3fsCurl::ssekmsid.empty()){ S3FS_PRN_ERR("sse type is SSE-KMS, but there is no specified kms id."); return false; } if(S3fsCurl::GetSignatureType() == V2_ONLY){ S3FS_PRN_ERR("sse type is SSE-KMS, but signature type is not v4. SSE-KMS require signature v4."); return false; } return true; } S3FS_PRN_ERR("sse type is unknown(%d).", static_cast(S3fsCurl::ssetype)); return false; } bool S3fsCurl::LoadEnvSseCKeys() { char* envkeys = getenv("AWSSSECKEYS"); if(NULL == envkeys){ // nothing to do return true; } S3fsCurl::sseckeys.clear(); std::istringstream fullkeys(envkeys); std::string onekey; while(getline(fullkeys, onekey, ':')){ S3fsCurl::PushbackSseKeys(onekey); } // cppcheck-suppress unmatchedSuppression // cppcheck-suppress knownConditionTrueFalse if(S3fsCurl::sseckeys.empty()){ S3FS_PRN_ERR("There is no SSE Key in environment(AWSSSECKEYS=%s).", envkeys); return false; } return true; } bool S3fsCurl::LoadEnvSseKmsid() { char* envkmsid = getenv("AWSSSEKMSID"); if(NULL == envkmsid){ // nothing to do return true; } return S3fsCurl::SetSseKmsid(envkmsid); } // // If md5 is empty, returns first(current) sse key. // bool S3fsCurl::GetSseKey(std::string& md5, std::string& ssekey) { for(sseckeylist_t::const_iterator iter = S3fsCurl::sseckeys.begin(); iter != S3fsCurl::sseckeys.end(); ++iter){ if(md5.empty() || md5 == (*iter).begin()->first){ md5 = iter->begin()->first; ssekey = iter->begin()->second; return true; } } return false; } bool S3fsCurl::GetSseKeyMd5(size_t pos, std::string& md5) { if(S3fsCurl::sseckeys.size() <= static_cast(pos)){ return false; } size_t cnt = 0; for(sseckeylist_t::const_iterator iter = S3fsCurl::sseckeys.begin(); iter != S3fsCurl::sseckeys.end(); ++iter, ++cnt){ if(pos == cnt){ md5 = iter->begin()->first; return true; } } return false; } size_t S3fsCurl::GetSseKeyCount() { return S3fsCurl::sseckeys.size(); } bool S3fsCurl::SetContentMd5(bool flag) { bool old = S3fsCurl::is_content_md5; S3fsCurl::is_content_md5 = flag; return old; } bool S3fsCurl::SetVerbose(bool flag) { bool old = S3fsCurl::is_verbose; S3fsCurl::is_verbose = flag; return old; } bool S3fsCurl::SetDumpBody(bool flag) { bool old = S3fsCurl::is_dump_body; S3fsCurl::is_dump_body = flag; return old; } long S3fsCurl::SetSslVerifyHostname(long value) { if(0 != value && 1 != value){ return -1; } long old = S3fsCurl::ssl_verify_hostname; S3fsCurl::ssl_verify_hostname = value; return old; } bool S3fsCurl::SetMultipartSize(off_t size) { size = size * 1024 * 1024; if(size < MIN_MULTIPART_SIZE){ return false; } S3fsCurl::multipart_size = size; return true; } bool S3fsCurl::SetMultipartCopySize(off_t size) { size = size * 1024 * 1024; if(size < MIN_MULTIPART_SIZE){ return false; } S3fsCurl::multipart_copy_size = size; return true; } int S3fsCurl::SetMaxParallelCount(int value) { int old = S3fsCurl::max_parallel_cnt; S3fsCurl::max_parallel_cnt = value; return old; } int S3fsCurl::SetMaxMultiRequest(int max) { int old = S3fsCurl::max_multireq; S3fsCurl::max_multireq = max; return old; } // [NOTE] // This proxy setting is as same as the "--proxy" option of the curl command, // and equivalent to the "CURLOPT_PROXY" option of the curl_easy_setopt() // function. // However, currently s3fs does not provide another option to set the schema // and port, so you need to specify these it in this function. (Other than // this function, there is no means of specifying the schema and port.) // Therefore, it should be specified "url" as "[://][:]". // s3fs passes this string to curl_easy_setopt() function with "CURLOPT_PROXY". // If no "schema" is specified, "http" will be used as default, and if no port // is specified, "443" will be used for "HTTPS" and "1080" otherwise. // (See the description of "CURLOPT_PROXY" in libcurl document.) // bool S3fsCurl::SetProxy(const char* url) { if(!url || '\0' == url[0]){ return false; } std::string tmpurl = url; // check schema bool is_http = true; size_t pos = 0; if(std::string::npos != (pos = tmpurl.find("://", pos))){ if(0 == pos){ // no schema string before "://" return false; } pos += strlen("://"); // Check if it is other than "http://" if(0 != tmpurl.find("http://", 0)){ is_http = false; } }else{ // not have schema string pos = 0; } // check fqdn and port number string if(std::string::npos != (pos = tmpurl.find(":", pos))){ // specify port if(0 == pos){ // no fqdn(hostname) string before ":" return false; } pos += strlen(":"); if(std::string::npos != tmpurl.find(":", pos)){ // found wrong separator return false; } } S3fsCurl::proxy_url = tmpurl; S3fsCurl::proxy_http = is_http; return true; } // [NOTE] // This function loads proxy credentials(username and passphrase) // from a file. // The loaded values is set to "CURLOPT_PROXYUSERPWD" in the // curl_easy_setopt() function. (But only used if the proxy is HTTP // schema.) // // The file is expected to contain only one valid line: // ------------------------ // # comment line // : // ------------------------ // Lines starting with a '#' character are treated as comments. // Lines with only space characters and blank lines are ignored. // If the user name contains spaces, it must be url encoded(ex. %20). // bool S3fsCurl::SetProxyUserPwd(const char* file) { if(!file || '\0' == file[0]){ return false; } if(!S3fsCurl::proxy_userpwd.empty()){ S3FS_PRN_WARN("Already set username and passphrase for proxy."); return false; } std::ifstream credFileStream(file); if(!credFileStream.good()){ S3FS_PRN_WARN("Could not load username and passphrase for proxy from %s.", file); return false; } std::string userpwd; std::string line; while(getline(credFileStream, line)){ line = trim(line); if(line.empty()){ continue; } if(line[0]=='#'){ continue; } if(!userpwd.empty()){ S3FS_PRN_WARN("Multiple valid username and passphrase found in %s file. Should specify only one pair.", file); return false; } // check separator for username and passphrase size_t pos = 0; if(std::string::npos == (pos = line.find(':', pos))){ S3FS_PRN_WARN("Found string for username and passphrase in %s file does not have separator ':'.", file); return false; } if(0 == pos || (pos + 1) == line.length()){ S3FS_PRN_WARN("Found string for username or passphrase in %s file is empty.", file); return false; } if(std::string::npos != line.find(':', ++pos)){ S3FS_PRN_WARN("Found string for username and passphrase in %s file has multiple separator ':'.", file); return false; } userpwd = line; } if(userpwd.empty()){ S3FS_PRN_WARN("No valid username and passphrase found in %s.", file); return false; } S3fsCurl::proxy_userpwd = userpwd; return true; } // cppcheck-suppress unmatchedSuppression // cppcheck-suppress constParameter bool S3fsCurl::UploadMultipartPostCallback(S3fsCurl* s3fscurl, void* param) { if(!s3fscurl || param){ // this callback does not need a parameter return false; } return s3fscurl->UploadMultipartPostComplete(); } // cppcheck-suppress unmatchedSuppression // cppcheck-suppress constParameter bool S3fsCurl::MixMultipartPostCallback(S3fsCurl* s3fscurl, void* param) { if(!s3fscurl || param){ // this callback does not need a parameter return false; } return s3fscurl->MixMultipartPostComplete(); } S3fsCurl* S3fsCurl::UploadMultipartPostRetryCallback(S3fsCurl* s3fscurl) { if(!s3fscurl){ return NULL; } // parse and get part_num, upload_id. std::string upload_id; std::string part_num_str; int part_num; off_t tmp_part_num = 0; if(!get_keyword_value(s3fscurl->url, "uploadId", upload_id)){ return NULL; } upload_id = urlDecode(upload_id); // decode if(!get_keyword_value(s3fscurl->url, "partNumber", part_num_str)){ return NULL; } if(!s3fs_strtoofft(&tmp_part_num, part_num_str.c_str(), /*base=*/ 10)){ return NULL; } part_num = static_cast(tmp_part_num); if(s3fscurl->retry_count >= S3fsCurl::retries){ S3FS_PRN_ERR("Over retry count(%d) limit(%s:%d).", s3fscurl->retry_count, s3fscurl->path.c_str(), part_num); return NULL; } // duplicate request S3fsCurl* newcurl = new S3fsCurl(s3fscurl->IsUseAhbe()); newcurl->partdata.petag = s3fscurl->partdata.petag; newcurl->partdata.fd = s3fscurl->partdata.fd; newcurl->partdata.startpos = s3fscurl->b_partdata_startpos; newcurl->partdata.size = s3fscurl->b_partdata_size; newcurl->b_partdata_startpos = s3fscurl->b_partdata_startpos; newcurl->b_partdata_size = s3fscurl->b_partdata_size; newcurl->retry_count = s3fscurl->retry_count + 1; newcurl->op = s3fscurl->op; newcurl->type = s3fscurl->type; // setup new curl object if(0 != newcurl->UploadMultipartPostSetup(s3fscurl->path.c_str(), part_num, upload_id)){ S3FS_PRN_ERR("Could not duplicate curl object(%s:%d).", s3fscurl->path.c_str(), part_num); delete newcurl; return NULL; } return newcurl; } S3fsCurl* S3fsCurl::CopyMultipartPostRetryCallback(S3fsCurl* s3fscurl) { if(!s3fscurl){ return NULL; } // parse and get part_num, upload_id. std::string upload_id; std::string part_num_str; int part_num; off_t tmp_part_num = 0; if(!get_keyword_value(s3fscurl->url, "uploadId", upload_id)){ return NULL; } upload_id = urlDecode(upload_id); // decode if(!get_keyword_value(s3fscurl->url, "partNumber", part_num_str)){ return NULL; } if(!s3fs_strtoofft(&tmp_part_num, part_num_str.c_str(), /*base=*/ 10)){ return NULL; } part_num = static_cast(tmp_part_num); if(s3fscurl->retry_count >= S3fsCurl::retries){ S3FS_PRN_ERR("Over retry count(%d) limit(%s:%d).", s3fscurl->retry_count, s3fscurl->path.c_str(), part_num); return NULL; } // duplicate request S3fsCurl* newcurl = new S3fsCurl(s3fscurl->IsUseAhbe()); newcurl->partdata.petag = s3fscurl->partdata.petag; newcurl->b_from = s3fscurl->b_from; newcurl->b_meta = s3fscurl->b_meta; newcurl->retry_count = s3fscurl->retry_count + 1; newcurl->op = s3fscurl->op; newcurl->type = s3fscurl->type; // setup new curl object if(0 != newcurl->CopyMultipartPostSetup(s3fscurl->b_from.c_str(), s3fscurl->path.c_str(), part_num, upload_id, s3fscurl->b_meta)){ S3FS_PRN_ERR("Could not duplicate curl object(%s:%d).", s3fscurl->path.c_str(), part_num); delete newcurl; return NULL; } return newcurl; } S3fsCurl* S3fsCurl::MixMultipartPostRetryCallback(S3fsCurl* s3fscurl) { if(!s3fscurl){ return NULL; } S3fsCurl* pcurl; if(-1 == s3fscurl->partdata.fd){ pcurl = S3fsCurl::CopyMultipartPostRetryCallback(s3fscurl); }else{ pcurl = S3fsCurl::UploadMultipartPostRetryCallback(s3fscurl); } return pcurl; } int S3fsCurl::MapPutErrorResponse(int result) { if(result != 0){ return result; } // PUT returns 200 status code with something error, thus // we need to check body. // // example error body: // // // AccessDenied // Access Denied // E4CA6F6767D6685C // BHzLOATeDuvN8Es1wI8IcERq4kl4dc2A9tOB8Yqr39Ys6fl7N4EJ8sjGiVvu6wLP // // const char* pstrbody = bodydata.str(); std::string code; if(!pstrbody || simple_parse_xml(pstrbody, bodydata.size(), "Code", code)){ S3FS_PRN_ERR("Put request get 200 status response, but it included error body(or NULL). The request failed during copying the object in S3. Code: %s", code.c_str()); // TODO: parse more specific error from result = -EIO; } return result; } // [NOTE] // It is a factory method as utility because it requires an S3fsCurl object // initialized for multipart upload from outside this class. // S3fsCurl* S3fsCurl::CreateParallelS3fsCurl(const char* tpath, int fd, off_t start, off_t size, int part_num, bool is_copy, etagpair* petag, const std::string& upload_id, int& result) { // duplicate fd if(!tpath || -1 == fd || start < 0 || size <= 0 || !petag){ S3FS_PRN_ERR("Parameters are wrong: tpath(%s), fd(%d), start(%lld), size(%lld), petag(%s)", SAFESTRPTR(tpath), fd, static_cast(start), static_cast(size), (petag ? "not null" : "null")); result = -EIO; return NULL; } result = 0; S3fsCurl* s3fscurl = new S3fsCurl(true); if(!is_copy){ s3fscurl->partdata.fd = fd; s3fscurl->partdata.startpos = start; s3fscurl->partdata.size = size; s3fscurl->partdata.is_copy = is_copy; s3fscurl->partdata.petag = petag; // [NOTE] be careful, the value is set directly s3fscurl->b_partdata_startpos = s3fscurl->partdata.startpos; s3fscurl->b_partdata_size = s3fscurl->partdata.size; S3FS_PRN_INFO3("Upload Part [tpath=%s][start=%lld][size=%lld][part=%d]", SAFESTRPTR(tpath), static_cast(start), static_cast(size), part_num); if(0 != (result = s3fscurl->UploadMultipartPostSetup(tpath, part_num, upload_id))){ S3FS_PRN_ERR("failed uploading part setup(%d)", result); delete s3fscurl; return NULL; } }else{ headers_t meta; std::string srcresource; std::string srcurl; MakeUrlResource(get_realpath(tpath).c_str(), srcresource, srcurl); meta["x-amz-copy-source"] = srcresource; std::ostringstream strrange; strrange << "bytes=" << start << "-" << (start + size - 1); meta["x-amz-copy-source-range"] = strrange.str(); s3fscurl->b_from = SAFESTRPTR(tpath); s3fscurl->b_meta = meta; s3fscurl->partdata.petag = petag; // [NOTE] be careful, the value is set directly S3FS_PRN_INFO3("Copy Part [tpath=%s][start=%lld][size=%lld][part=%d]", SAFESTRPTR(tpath), static_cast(start), static_cast(size), part_num); if(0 != (result = s3fscurl->CopyMultipartPostSetup(tpath, tpath, part_num, upload_id, meta))){ S3FS_PRN_ERR("failed uploading part setup(%d)", result); delete s3fscurl; return NULL; } } // Call lazy function if(!s3fscurl->fpLazySetup || !s3fscurl->fpLazySetup(s3fscurl)){ S3FS_PRN_ERR("failed lazy function setup for uploading part"); result = -EIO; delete s3fscurl; return NULL; } return s3fscurl; } int S3fsCurl::ParallelMultipartUploadRequest(const char* tpath, headers_t& meta, int fd) { int result; std::string upload_id; struct stat st; etaglist_t list; off_t remaining_bytes; S3fsCurl s3fscurl(true); S3FS_PRN_INFO3("[tpath=%s][fd=%d]", SAFESTRPTR(tpath), fd); if(-1 == fstat(fd, &st)){ S3FS_PRN_ERR("Invalid file descriptor(errno=%d)", errno); return -errno; } if(0 != (result = s3fscurl.PreMultipartPostRequest(tpath, meta, upload_id, false))){ return result; } s3fscurl.DestroyCurlHandle(); // Initialize S3fsMultiCurl S3fsMultiCurl curlmulti(GetMaxParallelCount()); curlmulti.SetSuccessCallback(S3fsCurl::UploadMultipartPostCallback); curlmulti.SetRetryCallback(S3fsCurl::UploadMultipartPostRetryCallback); // cycle through open fd, pulling off 10MB chunks at a time for(remaining_bytes = st.st_size; 0 < remaining_bytes; ){ off_t chunk = remaining_bytes > S3fsCurl::multipart_size ? S3fsCurl::multipart_size : remaining_bytes; // s3fscurl sub object S3fsCurl* s3fscurl_para = new S3fsCurl(true); s3fscurl_para->partdata.fd = fd; s3fscurl_para->partdata.startpos = st.st_size - remaining_bytes; s3fscurl_para->partdata.size = chunk; s3fscurl_para->b_partdata_startpos = s3fscurl_para->partdata.startpos; s3fscurl_para->b_partdata_size = s3fscurl_para->partdata.size; s3fscurl_para->partdata.add_etag_list(list); // initiate upload part for parallel if(0 != (result = s3fscurl_para->UploadMultipartPostSetup(tpath, s3fscurl_para->partdata.get_part_number(), upload_id))){ S3FS_PRN_ERR("failed uploading part setup(%d)", result); delete s3fscurl_para; return result; } // set into parallel object if(!curlmulti.SetS3fsCurlObject(s3fscurl_para)){ S3FS_PRN_ERR("Could not make curl object into multi curl(%s).", tpath); delete s3fscurl_para; return -EIO; } remaining_bytes -= chunk; } // Multi request if(0 != (result = curlmulti.Request())){ S3FS_PRN_ERR("error occurred in multi request(errno=%d).", result); S3fsCurl s3fscurl_abort(true); int result2 = s3fscurl_abort.AbortMultipartUpload(tpath, upload_id); s3fscurl_abort.DestroyCurlHandle(); if(result2 != 0){ S3FS_PRN_ERR("error aborting multipart upload(errno=%d).", result2); } return result; } if(0 != (result = s3fscurl.CompleteMultipartPostRequest(tpath, upload_id, list))){ return result; } return 0; } int S3fsCurl::ParallelMixMultipartUploadRequest(const char* tpath, headers_t& meta, int fd, const fdpage_list_t& mixuppages) { int result; std::string upload_id; struct stat st; etaglist_t list; S3fsCurl s3fscurl(true); S3FS_PRN_INFO3("[tpath=%s][fd=%d]", SAFESTRPTR(tpath), fd); if(-1 == fstat(fd, &st)){ S3FS_PRN_ERR("Invalid file descriptor(errno=%d)", errno); return -errno; } if(0 != (result = s3fscurl.PreMultipartPostRequest(tpath, meta, upload_id, true))){ return result; } s3fscurl.DestroyCurlHandle(); // for copy multipart std::string srcresource; std::string srcurl; MakeUrlResource(get_realpath(tpath).c_str(), srcresource, srcurl); meta["Content-Type"] = S3fsCurl::LookupMimeType(std::string(tpath)); meta["x-amz-copy-source"] = srcresource; // Initialize S3fsMultiCurl S3fsMultiCurl curlmulti(GetMaxParallelCount()); curlmulti.SetSuccessCallback(S3fsCurl::MixMultipartPostCallback); curlmulti.SetRetryCallback(S3fsCurl::MixMultipartPostRetryCallback); for(fdpage_list_t::const_iterator iter = mixuppages.begin(); iter != mixuppages.end(); ++iter){ if(iter->modified){ // Multipart upload S3fsCurl* s3fscurl_para = new S3fsCurl(true); s3fscurl_para->partdata.fd = fd; s3fscurl_para->partdata.startpos = iter->offset; s3fscurl_para->partdata.size = iter->bytes; s3fscurl_para->b_partdata_startpos = s3fscurl_para->partdata.startpos; s3fscurl_para->b_partdata_size = s3fscurl_para->partdata.size; s3fscurl_para->partdata.add_etag_list(list); S3FS_PRN_INFO3("Upload Part [tpath=%s][start=%lld][size=%lld][part=%d]", SAFESTRPTR(tpath), static_cast(iter->offset), static_cast(iter->bytes), s3fscurl_para->partdata.get_part_number()); // initiate upload part for parallel if(0 != (result = s3fscurl_para->UploadMultipartPostSetup(tpath, s3fscurl_para->partdata.get_part_number(), upload_id))){ S3FS_PRN_ERR("failed uploading part setup(%d)", result); delete s3fscurl_para; return result; } // set into parallel object if(!curlmulti.SetS3fsCurlObject(s3fscurl_para)){ S3FS_PRN_ERR("Could not make curl object into multi curl(%s).", tpath); delete s3fscurl_para; return -EIO; } }else{ // Multipart copy for(off_t i = 0, bytes = 0; i < iter->bytes; i += bytes){ S3fsCurl* s3fscurl_para = new S3fsCurl(true); bytes = std::min(static_cast(GetMultipartCopySize()), iter->bytes - i); /* every part should be larger than MIN_MULTIPART_SIZE and smaller than FIVE_GB */ off_t remain_bytes = iter->bytes - i - bytes; if ((MIN_MULTIPART_SIZE > remain_bytes) && (0 < remain_bytes)){ if(FIVE_GB < (bytes + remain_bytes)){ bytes = (bytes + remain_bytes)/2; } else{ bytes += remain_bytes; } } std::ostringstream strrange; strrange << "bytes=" << (iter->offset + i) << "-" << (iter->offset + i + bytes - 1); meta["x-amz-copy-source-range"] = strrange.str(); s3fscurl_para->b_from = SAFESTRPTR(tpath); s3fscurl_para->b_meta = meta; s3fscurl_para->partdata.add_etag_list(list); S3FS_PRN_INFO3("Copy Part [tpath=%s][start=%lld][size=%lld][part=%d]", SAFESTRPTR(tpath), static_cast(iter->offset + i), static_cast(bytes), s3fscurl_para->partdata.get_part_number()); // initiate upload part for parallel if(0 != (result = s3fscurl_para->CopyMultipartPostSetup(tpath, tpath, s3fscurl_para->partdata.get_part_number(), upload_id, meta))){ S3FS_PRN_ERR("failed uploading part setup(%d)", result); delete s3fscurl_para; return result; } // set into parallel object if(!curlmulti.SetS3fsCurlObject(s3fscurl_para)){ S3FS_PRN_ERR("Could not make curl object into multi curl(%s).", tpath); delete s3fscurl_para; return -EIO; } } } } // Multi request if(0 != (result = curlmulti.Request())){ S3FS_PRN_ERR("error occurred in multi request(errno=%d).", result); S3fsCurl s3fscurl_abort(true); int result2 = s3fscurl_abort.AbortMultipartUpload(tpath, upload_id); s3fscurl_abort.DestroyCurlHandle(); if(result2 != 0){ S3FS_PRN_ERR("error aborting multipart upload(errno=%d).", result2); } return result; } if(0 != (result = s3fscurl.CompleteMultipartPostRequest(tpath, upload_id, list))){ return result; } return 0; } S3fsCurl* S3fsCurl::ParallelGetObjectRetryCallback(S3fsCurl* s3fscurl) { int result; if(!s3fscurl){ return NULL; } if(s3fscurl->retry_count >= S3fsCurl::retries){ S3FS_PRN_ERR("Over retry count(%d) limit(%s).", s3fscurl->retry_count, s3fscurl->path.c_str()); return NULL; } // duplicate request(setup new curl object) S3fsCurl* newcurl = new S3fsCurl(s3fscurl->IsUseAhbe()); if(0 != (result = newcurl->PreGetObjectRequest(s3fscurl->path.c_str(), s3fscurl->partdata.fd, s3fscurl->partdata.startpos, s3fscurl->partdata.size, s3fscurl->b_ssetype, s3fscurl->b_ssevalue))){ S3FS_PRN_ERR("failed downloading part setup(%d)", result); delete newcurl; return NULL;; } newcurl->retry_count = s3fscurl->retry_count + 1; return newcurl; } int S3fsCurl::ParallelGetObjectRequest(const char* tpath, int fd, off_t start, off_t size) { S3FS_PRN_INFO3("[tpath=%s][fd=%d]", SAFESTRPTR(tpath), fd); sse_type_t ssetype = sse_type_t::SSE_DISABLE; std::string ssevalue; if(!get_object_sse_type(tpath, ssetype, ssevalue)){ S3FS_PRN_WARN("Failed to get SSE type for file(%s).", SAFESTRPTR(tpath)); } int result = 0; off_t remaining_bytes; // cycle through open fd, pulling off 10MB chunks at a time for(remaining_bytes = size; 0 < remaining_bytes; ){ S3fsMultiCurl curlmulti(GetMaxParallelCount()); int para_cnt; off_t chunk; // Initialize S3fsMultiCurl //curlmulti.SetSuccessCallback(NULL); // not need to set success callback curlmulti.SetRetryCallback(S3fsCurl::ParallelGetObjectRetryCallback); // Loop for setup parallel upload(multipart) request. for(para_cnt = 0; para_cnt < S3fsCurl::max_parallel_cnt && 0 < remaining_bytes; para_cnt++, remaining_bytes -= chunk){ // chunk size chunk = remaining_bytes > S3fsCurl::multipart_size ? S3fsCurl::multipart_size : remaining_bytes; // s3fscurl sub object S3fsCurl* s3fscurl_para = new S3fsCurl(); if(0 != (result = s3fscurl_para->PreGetObjectRequest(tpath, fd, (start + size - remaining_bytes), chunk, ssetype, ssevalue))){ S3FS_PRN_ERR("failed downloading part setup(%d)", result); delete s3fscurl_para; return result; } // set into parallel object if(!curlmulti.SetS3fsCurlObject(s3fscurl_para)){ S3FS_PRN_ERR("Could not make curl object into multi curl(%s).", tpath); delete s3fscurl_para; return -EIO; } } // Multi request if(0 != (result = curlmulti.Request())){ S3FS_PRN_ERR("error occurred in multi request(errno=%d).", result); break; } // reinit for loop. curlmulti.Clear(); } return result; } bool S3fsCurl::UploadMultipartPostSetCurlOpts(S3fsCurl* s3fscurl) { if(!s3fscurl){ return false; } if(!s3fscurl->CreateCurlHandle()){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_URL, s3fscurl->url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_UPLOAD, true)){ // HTTP PUT return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_WRITEDATA, (void*)(&s3fscurl->bodydata))){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_HEADERDATA, (void*)&(s3fscurl->responseHeaders))){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_HEADERFUNCTION, HeaderCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_INFILESIZE_LARGE, static_cast(s3fscurl->partdata.size))){ // Content-Length return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_READFUNCTION, UploadReadCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_READDATA, reinterpret_cast(s3fscurl))){ return false; } if(!S3fsCurl::AddUserAgent(s3fscurl->hCurl)){ // put User-Agent return false; } return true; } bool S3fsCurl::CopyMultipartPostSetCurlOpts(S3fsCurl* s3fscurl) { if(!s3fscurl){ return false; } if(!s3fscurl->CreateCurlHandle()){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_URL, s3fscurl->url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_UPLOAD, true)){ // HTTP PUT return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_WRITEDATA, (void*)(&s3fscurl->bodydata))){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_HEADERDATA, (void*)(&s3fscurl->headdata))){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_HEADERFUNCTION, WriteMemoryCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_INFILESIZE, 0)){ // Content-Length return false; } if(!S3fsCurl::AddUserAgent(s3fscurl->hCurl)){ // put User-Agent return false; } return true; } bool S3fsCurl::PreGetObjectRequestSetCurlOpts(S3fsCurl* s3fscurl) { if(!s3fscurl){ return false; } if(!s3fscurl->CreateCurlHandle()){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_URL, s3fscurl->url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_WRITEFUNCTION, DownloadWriteCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_WRITEDATA, reinterpret_cast(s3fscurl))){ return false; } if(!S3fsCurl::AddUserAgent(s3fscurl->hCurl)){ // put User-Agent return false; } return true; } bool S3fsCurl::PreHeadRequestSetCurlOpts(S3fsCurl* s3fscurl) { if(!s3fscurl){ return false; } if(!s3fscurl->CreateCurlHandle()){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_URL, s3fscurl->url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_NOBODY, true)){ // HEAD return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_FILETIME, true)){ // Last-Modified return false; } // responseHeaders if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_HEADERDATA, (void*)&(s3fscurl->responseHeaders))){ return false; } if(CURLE_OK != curl_easy_setopt(s3fscurl->hCurl, CURLOPT_HEADERFUNCTION, HeaderCallback)){ return false; } if(!S3fsCurl::AddUserAgent(s3fscurl->hCurl)){ // put User-Agent return false; } return true; } bool S3fsCurl::AddUserAgent(CURL* hCurl) { if(!hCurl){ return false; } if(S3fsCurl::IsUserAgentFlag()){ curl_easy_setopt(hCurl, CURLOPT_USERAGENT, S3fsCurl::userAgent.c_str()); } return true; } int S3fsCurl::CurlDebugFunc(const CURL* hcurl, curl_infotype type, char* data, size_t size, void* userptr) { return S3fsCurl::RawCurlDebugFunc(hcurl, type, data, size, userptr, CURLINFO_END); } int S3fsCurl::CurlDebugBodyInFunc(const CURL* hcurl, curl_infotype type, char* data, size_t size, void* userptr) { return S3fsCurl::RawCurlDebugFunc(hcurl, type, data, size, userptr, CURLINFO_DATA_IN); } int S3fsCurl::CurlDebugBodyOutFunc(const CURL* hcurl, curl_infotype type, char* data, size_t size, void* userptr) { return S3fsCurl::RawCurlDebugFunc(hcurl, type, data, size, userptr, CURLINFO_DATA_OUT); } int S3fsCurl::RawCurlDebugFunc(const CURL* hcurl, curl_infotype type, char* data, size_t size, void* userptr, curl_infotype datatype) { if(!hcurl){ // something wrong... return 0; } switch(type){ case CURLINFO_TEXT: // Swap tab indentation with spaces so it stays pretty in syslog int indent; indent = 0; while (*data == '\t' && size > 0) { indent += 4; size--; data++; } if(foreground && 0 < size && '\n' == data[size - 1]){ size--; } S3FS_PRN_CURL("* %*s%.*s", indent, "", (int)size, data); break; case CURLINFO_DATA_IN: case CURLINFO_DATA_OUT: if(type != datatype || !S3fsCurl::is_dump_body){ // not put break; } case CURLINFO_HEADER_IN: case CURLINFO_HEADER_OUT: size_t remaining; char* p; // Print each line individually for tidy output remaining = size; p = data; do { char* eol = reinterpret_cast(memchr(p, '\n', remaining)); int newline = 0; if (eol == NULL) { eol = reinterpret_cast(memchr(p, '\r', remaining)); } else { if (eol > p && *(eol - 1) == '\r') { newline++; } newline++; eol++; } size_t length = eol - p; S3FS_PRN_CURL("%s %.*s", getCurlDebugHead(type), (int)length - newline, p); remaining -= length; p = eol; } while (p != NULL && remaining > 0); break; case CURLINFO_SSL_DATA_IN: case CURLINFO_SSL_DATA_OUT: // not put break; default: // why break; } return 0; } //------------------------------------------------------------------- // Methods for S3fsCurl //------------------------------------------------------------------- S3fsCurl::S3fsCurl(bool ahbe) : hCurl(NULL), type(REQTYPE_UNSET), requestHeaders(NULL), LastResponseCode(S3FSCURL_RESPONSECODE_NOTSET), postdata(NULL), postdata_remaining(0), is_use_ahbe(ahbe), retry_count(0), b_infile(NULL), b_postdata(NULL), b_postdata_remaining(0), b_partdata_startpos(0), b_partdata_size(0), b_ssekey_pos(-1), b_ssetype(sse_type_t::SSE_DISABLE), sem(NULL), completed_tids_lock(NULL), completed_tids(NULL), fpLazySetup(NULL), curlCode(CURLE_OK) { if(!S3fsCurl::ps3fscred){ S3FS_PRN_CRIT("The object of S3fs Credential class is not initialized."); abort(); } } S3fsCurl::~S3fsCurl() { DestroyCurlHandle(); } bool S3fsCurl::ResetHandle(AutoLock::Type locktype) { bool run_once; { AutoLock lock(&S3fsCurl::curl_warnings_lock); run_once = curl_warnings_once; curl_warnings_once = true; } curl_easy_reset(hCurl); if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_NOSIGNAL, 1)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_FOLLOWLOCATION, true)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_CONNECTTIMEOUT, S3fsCurl::connect_timeout)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_NOPROGRESS, 0)){ return false; } // [NOTE] // CURLOPT_PROGRESSFUNCTION should be changed to CURLOPT_XFERINFOFUNCTION, // but CnetOS7's curl version is old, so it haven't been changed yet. if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_PROGRESSFUNCTION, S3fsCurl::CurlProgress)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_PROGRESSDATA, hCurl)){ return false; } // curl_easy_setopt(hCurl, CURLOPT_FORBID_REUSE, 1); if(CURLE_OK != curl_easy_setopt(hCurl, S3FS_CURLOPT_TCP_KEEPALIVE, 1) && !run_once){ S3FS_PRN_WARN("The CURLOPT_TCP_KEEPALIVE option could not be set. For maximize performance you need to enable this option and you should use libcurl 7.25.0 or later."); } if(CURLE_OK != curl_easy_setopt(hCurl, S3FS_CURLOPT_SSL_ENABLE_ALPN, 0) && !run_once){ S3FS_PRN_WARN("The CURLOPT_SSL_ENABLE_ALPN option could not be unset. S3 server does not support ALPN, then this option should be disabled to maximize performance. you need to use libcurl 7.36.0 or later."); } if(CURLE_OK != curl_easy_setopt(hCurl, S3FS_CURLOPT_KEEP_SENDING_ON_ERROR, 1) && !run_once){ S3FS_PRN_WARN("The S3FS_CURLOPT_KEEP_SENDING_ON_ERROR option could not be set. For maximize performance you need to enable this option and you should use libcurl 7.51.0 or later."); } if(type != REQTYPE_IAMCRED && type != REQTYPE_IAMROLE){ // REQTYPE_IAMCRED and REQTYPE_IAMROLE are always HTTP if(0 == S3fsCurl::ssl_verify_hostname){ if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_SSL_VERIFYHOST, 0)){ return false; } } if(!S3fsCurl::curl_ca_bundle.empty()){ if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_CAINFO, S3fsCurl::curl_ca_bundle.c_str())){ return false; } } } if((S3fsCurl::is_dns_cache || S3fsCurl::is_ssl_session_cache) && S3fsCurl::hCurlShare){ if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_SHARE, S3fsCurl::hCurlShare)){ return false; } } if(!S3fsCurl::is_cert_check) { S3FS_PRN_DBG("'no_check_certificate' option in effect."); S3FS_PRN_DBG("The server certificate won't be checked against the available certificate authorities."); if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_SSL_VERIFYPEER, false)){ return false; } } if(S3fsCurl::is_verbose){ if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_VERBOSE, true)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_DEBUGFUNCTION, S3fsCurl::CurlDebugFunc)){ return false; } } if(!cipher_suites.empty()) { if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_SSL_CIPHER_LIST, cipher_suites.c_str())){ return false; } } if(!S3fsCurl::proxy_url.empty()){ if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_PROXY, S3fsCurl::proxy_url.c_str())){ return false; } if(S3fsCurl::proxy_http){ if(!S3fsCurl::proxy_userpwd.empty()){ if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_PROXYUSERPWD, S3fsCurl::proxy_userpwd.c_str())){ return false; } } }else if(!S3fsCurl::proxy_userpwd.empty()){ S3FS_PRN_DBG("Username and passphrase are specified even though proxy is not 'http' scheme, so skip to set those."); } } AutoLock lock(&S3fsCurl::curl_handles_lock, locktype); S3fsCurl::curl_times[hCurl] = time(0); S3fsCurl::curl_progress[hCurl] = progress_t(-1, -1); return true; } bool S3fsCurl::CreateCurlHandle(bool only_pool, bool remake) { AutoLock lock(&S3fsCurl::curl_handles_lock); if(hCurl && remake){ if(!DestroyCurlHandle(false, true, AutoLock::ALREADY_LOCKED)){ S3FS_PRN_ERR("could not destroy handle."); return false; } S3FS_PRN_INFO3("already has handle, so destroyed it or restored it to pool."); } if(!hCurl){ if(NULL == (hCurl = sCurlPool->GetHandler(only_pool))){ if(!only_pool){ S3FS_PRN_ERR("Failed to create handle."); return false; }else{ // [NOTE] // Further initialization processing is left to lazy processing to be executed later. // (Currently we do not use only_pool=true, but this code is remained for the future) return true; } } } ResetHandle(AutoLock::ALREADY_LOCKED); return true; } bool S3fsCurl::DestroyCurlHandle(bool restore_pool, bool clear_internal_data, AutoLock::Type locktype) { // [NOTE] // If type is REQTYPE_IAMCRED or REQTYPE_IAMROLE, do not clear type. // Because that type only uses HTTP protocol, then the special // logic in ResetHandle function. // if(type != REQTYPE_IAMCRED && type != REQTYPE_IAMROLE){ type = REQTYPE_UNSET; } if(clear_internal_data){ ClearInternalData(); } if(hCurl){ AutoLock lock(&S3fsCurl::curl_handles_lock, locktype); S3fsCurl::curl_times.erase(hCurl); S3fsCurl::curl_progress.erase(hCurl); sCurlPool->ReturnHandler(hCurl, restore_pool); hCurl = NULL; }else{ return false; } return true; } bool S3fsCurl::ClearInternalData() { // Always clear internal data // type = REQTYPE_UNSET; path = ""; base_path = ""; saved_path = ""; url = ""; op = ""; query_string= ""; if(requestHeaders){ curl_slist_free_all(requestHeaders); requestHeaders = NULL; } responseHeaders.clear(); bodydata.Clear(); headdata.Clear(); LastResponseCode = S3FSCURL_RESPONSECODE_NOTSET; postdata = NULL; postdata_remaining = 0; retry_count = 0; b_infile = NULL; b_postdata = NULL; b_postdata_remaining = 0; b_partdata_startpos = 0; b_partdata_size = 0; partdata.clear(); fpLazySetup = NULL; S3FS_MALLOCTRIM(0); return true; } bool S3fsCurl::SetUseAhbe(bool ahbe) { bool old = is_use_ahbe; is_use_ahbe = ahbe; return old; } bool S3fsCurl::GetResponseCode(long& responseCode, bool from_curl_handle) const { responseCode = -1; if(!from_curl_handle){ responseCode = LastResponseCode; }else{ if(!hCurl){ return false; } if(CURLE_OK != curl_easy_getinfo(hCurl, CURLINFO_RESPONSE_CODE, &LastResponseCode)){ return false; } responseCode = LastResponseCode; } return true; } // // Reset all options for retrying // bool S3fsCurl::RemakeHandle() { S3FS_PRN_INFO3("Retry request. [type=%d][url=%s][path=%s]", type, url.c_str(), path.c_str()); if(REQTYPE_UNSET == type){ return false; } // rewind file struct stat st; if(b_infile){ rewind(b_infile); if(-1 == fstat(fileno(b_infile), &st)){ S3FS_PRN_WARN("Could not get file stat(fd=%d)", fileno(b_infile)); return false; } } // reinitialize internal data requestHeaders = curl_slist_remove(requestHeaders, "Authorization"); responseHeaders.clear(); bodydata.Clear(); headdata.Clear(); LastResponseCode = S3FSCURL_RESPONSECODE_NOTSET; // count up(only use for multipart) retry_count++; // set from backup postdata = b_postdata; postdata_remaining = b_postdata_remaining; partdata.startpos = b_partdata_startpos; partdata.size = b_partdata_size; // reset handle ResetHandle(); // set options switch(type){ case REQTYPE_DELETE: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_CUSTOMREQUEST, "DELETE")){ return false; } break; case REQTYPE_HEAD: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_NOBODY, true)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_FILETIME, true)){ return false; } // responseHeaders if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_HEADERDATA, (void*)&responseHeaders)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_HEADERFUNCTION, HeaderCallback)){ return false; } break; case REQTYPE_PUTHEAD: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_UPLOAD, true)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_INFILESIZE, 0)){ return false; } break; case REQTYPE_PUT: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_UPLOAD, true)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } if(b_infile){ if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_INFILESIZE_LARGE, static_cast(st.st_size))){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_INFILE, b_infile)){ return false; } }else{ if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_INFILESIZE, 0)){ return false; } } break; case REQTYPE_GET: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, S3fsCurl::DownloadWriteCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, reinterpret_cast(this))){ return false; } break; case REQTYPE_CHKBUCKET: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } break; case REQTYPE_LISTBUCKET: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } break; case REQTYPE_PREMULTIPOST: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_POST, true)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_POSTFIELDSIZE, 0)){ return false; } break; case REQTYPE_COMPLETEMULTIPOST: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_POST, true)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_POSTFIELDSIZE, static_cast(postdata_remaining))){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_READDATA, reinterpret_cast(this))){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_READFUNCTION, S3fsCurl::ReadCallback)){ return false; } break; case REQTYPE_UPLOADMULTIPOST: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_UPLOAD, true)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_HEADERDATA, (void*)&responseHeaders)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_HEADERFUNCTION, HeaderCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_INFILESIZE_LARGE, static_cast(partdata.size))){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_READFUNCTION, S3fsCurl::UploadReadCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_READDATA, reinterpret_cast(this))){ return false; } break; case REQTYPE_COPYMULTIPOST: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_UPLOAD, true)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_HEADERDATA, (void*)&headdata)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_HEADERFUNCTION, WriteMemoryCallback)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_INFILESIZE, 0)){ return false; } break; case REQTYPE_MULTILIST: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } break; case REQTYPE_IAMCRED: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } if(S3fsCurl::ps3fscred->IsIBMIAMAuth()){ if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_POST, true)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_POSTFIELDSIZE, static_cast(postdata_remaining))){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_READDATA, reinterpret_cast(this))){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_READFUNCTION, S3fsCurl::ReadCallback)){ return false; } } break; case REQTYPE_ABORTMULTIUPLOAD: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_CUSTOMREQUEST, "DELETE")){ return false; } break; case REQTYPE_IAMROLE: if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } break; default: S3FS_PRN_ERR("request type is unknown(%d)", type); return false; } if(!S3fsCurl::AddUserAgent(hCurl)){ // put User-Agent return false; } return true; } // // returns curl return code // int S3fsCurl::RequestPerform(bool dontAddAuthHeaders /*=false*/) { if(S3fsLog::IsS3fsLogDbg()){ char* ptr_url = NULL; curl_easy_getinfo(hCurl, CURLINFO_EFFECTIVE_URL , &ptr_url); S3FS_PRN_DBG("connecting to URL %s", SAFESTRPTR(ptr_url)); } LastResponseCode = S3FSCURL_RESPONSECODE_NOTSET; long responseCode = S3FSCURL_RESPONSECODE_NOTSET; int result = S3FSCURL_PERFORM_RESULT_NOTSET; // 1 attempt + retries... for(int retrycnt = 0; S3FSCURL_PERFORM_RESULT_NOTSET == result && retrycnt < S3fsCurl::retries; ++retrycnt){ // Reset response code responseCode = S3FSCURL_RESPONSECODE_NOTSET; // Insert headers if(!dontAddAuthHeaders) { insertAuthHeaders(); } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_HTTPHEADER, requestHeaders)){ return false; } // Requests curlCode = curl_easy_perform(hCurl); // Check result switch(curlCode){ case CURLE_OK: // Need to look at the HTTP response code if(0 != curl_easy_getinfo(hCurl, CURLINFO_RESPONSE_CODE, &responseCode)){ S3FS_PRN_ERR("curl_easy_getinfo failed while trying to retrieve HTTP response code"); responseCode = S3FSCURL_RESPONSECODE_FATAL_ERROR; result = -EIO; break; } if(responseCode >= 200 && responseCode < 300){ S3FS_PRN_INFO3("HTTP response code %ld", responseCode); result = 0; break; } { // Try to parse more specific AWS error code otherwise fall back to HTTP error code. std::string value; if(simple_parse_xml(bodydata.str(), bodydata.size(), "Code", value)){ // TODO: other error codes if(value == "EntityTooLarge"){ result = -EFBIG; break; }else if(value == "InvalidObjectState"){ result = -EREMOTE; break; }else if(value == "KeyTooLongError"){ result = -ENAMETOOLONG; break; } } } // Service response codes which are >= 300 && < 500 switch(responseCode){ case 301: case 307: S3FS_PRN_ERR("HTTP response code 301(Moved Permanently: also happens when bucket's region is incorrect), returning EIO. Body Text: %s", bodydata.str()); S3FS_PRN_ERR("The options of url and endpoint may be useful for solving, please try to use both options."); result = -EIO; break; case 400: if(op == "HEAD"){ if(path.size() > 1024){ S3FS_PRN_ERR("HEAD HTTP response code %ld with path longer than 1024, returning ENAMETOOLONG.", responseCode); return -ENAMETOOLONG; } S3FS_PRN_ERR("HEAD HTTP response code %ld, returning EPERM.", responseCode); result = -EPERM; }else{ S3FS_PRN_ERR("HTTP response code %ld, returning EIO. Body Text: %s", responseCode, bodydata.str()); result = -EIO; } break; case 403: S3FS_PRN_ERR("HTTP response code %ld, returning EPERM. Body Text: %s", responseCode, bodydata.str()); result = -EPERM; break; case 404: S3FS_PRN_INFO3("HTTP response code 404 was returned, returning ENOENT"); S3FS_PRN_DBG("Body Text: %s", bodydata.str()); result = -ENOENT; break; case 416: S3FS_PRN_INFO3("HTTP response code 416 was returned, returning EIO"); result = -EIO; break; case 501: S3FS_PRN_INFO3("HTTP response code 501 was returned, returning ENOTSUP"); S3FS_PRN_DBG("Body Text: %s", bodydata.str()); result = -ENOTSUP; break; case 500: case 503: { S3FS_PRN_INFO3("HTTP response code %ld was returned, slowing down", responseCode); S3FS_PRN_DBG("Body Text: %s", bodydata.str()); // Add jitter to avoid thundering herd. unsigned int sleep_time = 2 << retry_count; sleep(sleep_time + static_cast(random()) % sleep_time); break; } default: S3FS_PRN_ERR("HTTP response code %ld, returning EIO. Body Text: %s", responseCode, bodydata.str()); result = -EIO; break; } break; case CURLE_WRITE_ERROR: S3FS_PRN_ERR("### CURLE_WRITE_ERROR"); sleep(2); break; case CURLE_OPERATION_TIMEDOUT: S3FS_PRN_ERR("### CURLE_OPERATION_TIMEDOUT"); sleep(2); break; case CURLE_COULDNT_RESOLVE_HOST: S3FS_PRN_ERR("### CURLE_COULDNT_RESOLVE_HOST"); sleep(2); break; case CURLE_COULDNT_CONNECT: S3FS_PRN_ERR("### CURLE_COULDNT_CONNECT"); sleep(4); break; case CURLE_GOT_NOTHING: S3FS_PRN_ERR("### CURLE_GOT_NOTHING"); sleep(4); break; case CURLE_ABORTED_BY_CALLBACK: S3FS_PRN_ERR("### CURLE_ABORTED_BY_CALLBACK"); sleep(4); { AutoLock lock(&S3fsCurl::curl_handles_lock); S3fsCurl::curl_times[hCurl] = time(0); } break; case CURLE_PARTIAL_FILE: S3FS_PRN_ERR("### CURLE_PARTIAL_FILE"); sleep(4); break; case CURLE_SEND_ERROR: S3FS_PRN_ERR("### CURLE_SEND_ERROR"); sleep(2); break; case CURLE_RECV_ERROR: S3FS_PRN_ERR("### CURLE_RECV_ERROR"); sleep(2); break; case CURLE_SSL_CONNECT_ERROR: S3FS_PRN_ERR("### CURLE_SSL_CONNECT_ERROR"); sleep(2); break; case CURLE_SSL_CACERT: S3FS_PRN_ERR("### CURLE_SSL_CACERT"); // try to locate cert, if successful, then set the // option and continue if(S3fsCurl::curl_ca_bundle.empty()){ if(!S3fsCurl::LocateBundle()){ S3FS_PRN_ERR("could not get CURL_CA_BUNDLE."); result = -EIO; } // retry with CAINFO }else{ S3FS_PRN_ERR("curlCode: %d msg: %s", curlCode, curl_easy_strerror(curlCode)); result = -EIO; } break; #ifdef CURLE_PEER_FAILED_VERIFICATION case CURLE_PEER_FAILED_VERIFICATION: S3FS_PRN_ERR("### CURLE_PEER_FAILED_VERIFICATION"); first_pos = S3fsCred::GetBucket().find_first_of('.'); if(first_pos != std::string::npos){ S3FS_PRN_INFO("curl returned a CURL_PEER_FAILED_VERIFICATION error"); S3FS_PRN_INFO("security issue found: buckets with periods in their name are incompatible with http"); S3FS_PRN_INFO("This check can be over-ridden by using the -o ssl_verify_hostname=0"); S3FS_PRN_INFO("The certificate will still be checked but the hostname will not be verified."); S3FS_PRN_INFO("A more secure method would be to use a bucket name without periods."); }else{ S3FS_PRN_INFO("my_curl_easy_perform: curlCode: %d -- %s", curlCode, curl_easy_strerror(curlCode)); } result = -EIO; break; #endif // This should be invalid since curl option HTTP FAILONERROR is now off case CURLE_HTTP_RETURNED_ERROR: S3FS_PRN_ERR("### CURLE_HTTP_RETURNED_ERROR"); if(0 != curl_easy_getinfo(hCurl, CURLINFO_RESPONSE_CODE, &responseCode)){ result = -EIO; }else{ S3FS_PRN_INFO3("HTTP response code =%ld", responseCode); // Let's try to retrieve the if(404 == responseCode){ result = -ENOENT; }else if(500 > responseCode){ result = -EIO; } } break; // Unknown CURL return code default: S3FS_PRN_ERR("###curlCode: %d msg: %s", curlCode, curl_easy_strerror(curlCode)); result = -EIO; break; } // switch if(S3FSCURL_PERFORM_RESULT_NOTSET == result){ S3FS_PRN_INFO("### retrying..."); if(!RemakeHandle()){ S3FS_PRN_INFO("Failed to reset handle and internal data for retrying."); result = -EIO; break; } } } // for // set last response code if(S3FSCURL_RESPONSECODE_NOTSET == responseCode){ LastResponseCode = S3FSCURL_RESPONSECODE_FATAL_ERROR; }else{ LastResponseCode = responseCode; } if(S3FSCURL_PERFORM_RESULT_NOTSET == result){ S3FS_PRN_ERR("### giving up"); result = -EIO; } return result; } // // Returns the Amazon AWS signature for the given parameters. // // @param method e.g., "GET" // @param content_type e.g., "application/x-directory" // @param date e.g., get_date_rfc850() // @param resource e.g., "/pub" // std::string S3fsCurl::CalcSignatureV2(const std::string& method, const std::string& strMD5, const std::string& content_type, const std::string& date, const std::string& resource, const std::string& secret_access_key, const std::string& access_token) { std::string Signature; std::string StringToSign; if(!access_token.empty()){ requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-security-token", access_token.c_str()); } StringToSign += method + "\n"; StringToSign += strMD5 + "\n"; // md5 StringToSign += content_type + "\n"; StringToSign += date + "\n"; StringToSign += get_canonical_headers(requestHeaders, true); StringToSign += resource; const void* key = secret_access_key.data(); size_t key_len = secret_access_key.size(); const unsigned char* sdata = reinterpret_cast(StringToSign.data()); size_t sdata_len = StringToSign.size(); unsigned char* md = NULL; unsigned int md_len = 0;; s3fs_HMAC(key, key_len, sdata, sdata_len, &md, &md_len); char* base64; if(NULL == (base64 = s3fs_base64(md, md_len))){ delete[] md; return std::string(""); // ENOMEM } delete[] md; Signature = base64; delete[] base64; return Signature; } std::string S3fsCurl::CalcSignature(const std::string& method, const std::string& canonical_uri, const std::string& query_string, const std::string& strdate, const std::string& payload_hash, const std::string& date8601, const std::string& secret_access_key, const std::string& access_token) { std::string Signature, StringCQ, StringToSign; std::string uriencode; if(!access_token.empty()){ requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-security-token", access_token.c_str()); } uriencode = urlEncodePath(canonical_uri); StringCQ = method + "\n"; if(method == "HEAD" || method == "PUT" || method == "DELETE"){ StringCQ += uriencode + "\n"; }else if(method == "GET" && uriencode.empty()){ StringCQ +="/\n"; }else if(method == "GET" && is_prefix(uriencode.c_str(), "/")){ StringCQ += uriencode +"\n"; }else if(method == "GET" && !is_prefix(uriencode.c_str(), "/")){ StringCQ += "/\n" + urlEncodeQuery(canonical_uri) +"\n"; }else if(method == "POST"){ StringCQ += uriencode + "\n"; } StringCQ += urlEncodeQuery(query_string) + "\n"; StringCQ += get_canonical_headers(requestHeaders) + "\n"; StringCQ += get_sorted_header_keys(requestHeaders) + "\n"; StringCQ += payload_hash; std::string kSecret = "AWS4" + secret_access_key; unsigned char *kDate, *kRegion, *kService, *kSigning, *sRequest = NULL; unsigned int kDate_len,kRegion_len, kService_len, kSigning_len, sRequest_len = 0; s3fs_HMAC256(kSecret.c_str(), kSecret.size(), reinterpret_cast(strdate.data()), strdate.size(), &kDate, &kDate_len); s3fs_HMAC256(kDate, kDate_len, reinterpret_cast(endpoint.c_str()), endpoint.size(), &kRegion, &kRegion_len); s3fs_HMAC256(kRegion, kRegion_len, reinterpret_cast("s3"), sizeof("s3") - 1, &kService, &kService_len); s3fs_HMAC256(kService, kService_len, reinterpret_cast("aws4_request"), sizeof("aws4_request") - 1, &kSigning, &kSigning_len); delete[] kDate; delete[] kRegion; delete[] kService; const unsigned char* cRequest = reinterpret_cast(StringCQ.c_str()); size_t cRequest_len = StringCQ.size(); s3fs_sha256(cRequest, cRequest_len, &sRequest, &sRequest_len); StringToSign = "AWS4-HMAC-SHA256\n"; StringToSign += date8601 + "\n"; StringToSign += strdate + "/" + endpoint + "/s3/aws4_request\n"; StringToSign += s3fs_hex_lower(sRequest, sRequest_len); delete[] sRequest; const unsigned char* cscope = reinterpret_cast(StringToSign.c_str()); size_t cscope_len = StringToSign.size(); unsigned char* md = NULL; unsigned int md_len = 0; s3fs_HMAC256(kSigning, kSigning_len, cscope, cscope_len, &md, &md_len); delete[] kSigning; Signature = s3fs_hex_lower(md, md_len); delete[] md; return Signature; } void S3fsCurl::insertV4Headers(const std::string& access_key_id, const std::string& secret_access_key, const std::string& access_token) { std::string server_path = type == REQTYPE_LISTBUCKET ? "/" : path; std::string payload_hash; switch (type) { case REQTYPE_PUT: if(GetUnsignedPayload()){ payload_hash = "UNSIGNED-PAYLOAD"; }else{ payload_hash = s3fs_sha256_hex_fd(b_infile == NULL ? -1 : fileno(b_infile), 0, -1); } break; case REQTYPE_COMPLETEMULTIPOST: { size_t cRequest_len = strlen(reinterpret_cast(b_postdata)); unsigned char* sRequest = NULL; unsigned int sRequest_len = 0; s3fs_sha256(b_postdata, cRequest_len, &sRequest, &sRequest_len); payload_hash = s3fs_hex_lower(sRequest, sRequest_len); delete[] sRequest; break; } case REQTYPE_UPLOADMULTIPOST: if(GetUnsignedPayload()){ payload_hash = "UNSIGNED-PAYLOAD"; }else{ payload_hash = s3fs_sha256_hex_fd(partdata.fd, partdata.startpos, partdata.size); } break; default: break; } if(b_infile != NULL && payload_hash.empty()){ S3FS_PRN_ERR("Failed to make SHA256."); // TODO: propagate error } S3FS_PRN_INFO3("computing signature [%s] [%s] [%s] [%s]", op.c_str(), server_path.c_str(), query_string.c_str(), payload_hash.c_str()); std::string strdate; std::string date8601; get_date_sigv3(strdate, date8601); std::string contentSHA256 = payload_hash.empty() ? EMPTY_PAYLOAD_HASH : payload_hash; const std::string realpath = pathrequeststyle ? "/" + S3fsCred::GetBucket() + server_path : server_path; //string canonical_headers, signed_headers; requestHeaders = curl_slist_sort_insert(requestHeaders, "host", get_bucket_host().c_str()); requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-content-sha256", contentSHA256.c_str()); requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-date", date8601.c_str()); if (S3fsCurl::IsRequesterPays()) { requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-request-payer", "requester"); } if(!S3fsCurl::IsPublicBucket()){ std::string Signature = CalcSignature(op, realpath, query_string + (type == REQTYPE_PREMULTIPOST || type == REQTYPE_MULTILIST ? "=" : ""), strdate, contentSHA256, date8601, secret_access_key, access_token); std::string auth = "AWS4-HMAC-SHA256 Credential=" + access_key_id + "/" + strdate + "/" + endpoint + "/s3/aws4_request, SignedHeaders=" + get_sorted_header_keys(requestHeaders) + ", Signature=" + Signature; requestHeaders = curl_slist_sort_insert(requestHeaders, "Authorization", auth.c_str()); } } void S3fsCurl::insertV2Headers(const std::string& access_key_id, const std::string& secret_access_key, const std::string& access_token) { std::string resource; std::string turl; std::string server_path = type == REQTYPE_LISTBUCKET ? "/" : path; MakeUrlResource(server_path.c_str(), resource, turl); if(!query_string.empty() && type != REQTYPE_CHKBUCKET && type != REQTYPE_LISTBUCKET){ resource += "?" + query_string; } std::string date = get_date_rfc850(); requestHeaders = curl_slist_sort_insert(requestHeaders, "Date", date.c_str()); if(op != "PUT" && op != "POST"){ requestHeaders = curl_slist_sort_insert(requestHeaders, "Content-Type", NULL); } if(!S3fsCurl::IsPublicBucket()){ std::string Signature = CalcSignatureV2(op, get_header_value(requestHeaders, "Content-MD5"), get_header_value(requestHeaders, "Content-Type"), date, resource, secret_access_key, access_token); requestHeaders = curl_slist_sort_insert(requestHeaders, "Authorization", std::string("AWS " + access_key_id + ":" + Signature).c_str()); } } void S3fsCurl::insertIBMIAMHeaders(const std::string& access_key_id, const std::string& access_token) { requestHeaders = curl_slist_sort_insert(requestHeaders, "Authorization", ("Bearer " + access_token).c_str()); if(op == "PUT" && path == mount_prefix + "/"){ // ibm-service-instance-id header is required for bucket creation requests requestHeaders = curl_slist_sort_insert(requestHeaders, "ibm-service-instance-id", access_key_id.c_str()); } } void S3fsCurl::insertAuthHeaders() { std::string access_key_id; std::string secret_access_key; std::string access_token; // check and get credential variables if(!S3fsCurl::ps3fscred->CheckIAMCredentialUpdate(&access_key_id, &secret_access_key, &access_token)){ S3FS_PRN_ERR("An error occurred in checking IAM credential."); return; // do not insert auth headers on error } if(S3fsCurl::ps3fscred->IsIBMIAMAuth()){ insertIBMIAMHeaders(access_key_id, access_token); }else if(S3fsCurl::signature_type == V2_ONLY){ insertV2Headers(access_key_id, secret_access_key, access_token); }else{ insertV4Headers(access_key_id, secret_access_key, access_token); } } int S3fsCurl::DeleteRequest(const char* tpath) { S3FS_PRN_INFO3("[tpath=%s]", SAFESTRPTR(tpath)); if(!tpath){ return -EINVAL; } if(!CreateCurlHandle()){ return -EIO; } std::string resource; std::string turl; MakeUrlResource(get_realpath(tpath).c_str(), resource, turl); url = prepare_url(turl.c_str()); path = get_realpath(tpath); requestHeaders = NULL; responseHeaders.clear(); op = "DELETE"; type = REQTYPE_DELETE; if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_CUSTOMREQUEST, "DELETE")){ return -EIO; } if(!S3fsCurl::AddUserAgent(hCurl)){ // put User-Agent return -EIO; } return RequestPerform(); } int S3fsCurl::GetIAMv2ApiToken(const char* token_url, int token_ttl, const char* token_ttl_hdr, std::string& response) { if(!token_url || !token_ttl_hdr){ S3FS_PRN_ERR("IAMv2 token url(%s) or ttl_hdr(%s) parameter are wrong.", token_url ? token_url : "null", token_ttl_hdr ? token_ttl_hdr : "null"); return -EIO; } response.erase(); url = std::string(token_url); if(!CreateCurlHandle()){ return -EIO; } requestHeaders = NULL; responseHeaders.clear(); bodydata.Clear(); std::string ttlstr = str(token_ttl); requestHeaders = curl_slist_sort_insert(requestHeaders, token_ttl_hdr, ttlstr.c_str()); // Curl appends an "Expect: 100-continue" header to the token request, // and aws responds with a 417 Expectation Failed. This ensures the // Expect header is empty before the request is sent. requestHeaders = curl_slist_sort_insert(requestHeaders, "Expect", ""); if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_UPLOAD, true)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_INFILESIZE, 0)){ return false; } if(!S3fsCurl::AddUserAgent(hCurl)){ // put User-Agent return -EIO; } // [NOTE] // Be sure to give "dontAddAuthHeaders=true". // If set to false(default), it will deadlock in S3fsCred. // int result = RequestPerform(true); if(0 == result){ response = bodydata.str(); }else{ S3FS_PRN_ERR("Error(%d) occurred, could not get IAMv2 api token.", result); } bodydata.Clear(); return result; } // // Get AccessKeyId/SecretAccessKey/AccessToken/Expiration by IAM role, // and Set these value to class variable. // bool S3fsCurl::GetIAMCredentials(const char* cred_url, const char* iam_v2_token, const char* ibm_secret_access_key, std::string& response) { if(!cred_url){ S3FS_PRN_ERR("url is null."); return false; } url = cred_url; response.erase(); // at first set type for handle type = REQTYPE_IAMCRED; if(!CreateCurlHandle()){ return false; } requestHeaders = NULL; responseHeaders.clear(); bodydata.Clear(); std::string postContent; if(ibm_secret_access_key){ // make contents postContent += "grant_type=urn:ibm:params:oauth:grant-type:apikey"; postContent += "&response_type=cloud_iam"; postContent += "&apikey=" + std::string(ibm_secret_access_key); // set postdata postdata = reinterpret_cast(postContent.c_str()); b_postdata = postdata; postdata_remaining = postContent.size(); // without null b_postdata_remaining = postdata_remaining; requestHeaders = curl_slist_sort_insert(requestHeaders, "Authorization", "Basic Yng6Yng="); if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_POST, true)){ // POST return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_POSTFIELDSIZE, static_cast(postdata_remaining))){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_READDATA, reinterpret_cast(this))){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_READFUNCTION, S3fsCurl::ReadCallback)){ return false; } } if(iam_v2_token){ requestHeaders = curl_slist_sort_insert(requestHeaders, S3fsCred::IAMv2_token_hdr, iam_v2_token); } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } if(!S3fsCurl::AddUserAgent(hCurl)){ // put User-Agent return false; } // [NOTE] // Be sure to give "dontAddAuthHeaders=true". // If set to false(default), it will deadlock in S3fsCred. // int result = RequestPerform(true); // analyzing response if(0 == result){ response = bodydata.str(); }else{ S3FS_PRN_ERR("Error(%d) occurred, could not get IAM role name.", result); } bodydata.Clear(); return (0 == result); } // // Get IAM role name automatically. // bool S3fsCurl::GetIAMRoleFromMetaData(const char* cred_url, const char* iam_v2_token, std::string& token) { if(!cred_url){ S3FS_PRN_ERR("url is null."); return false; } url = cred_url; token.erase(); S3FS_PRN_INFO3("Get IAM Role name"); // at first set type for handle type = REQTYPE_IAMROLE; if(!CreateCurlHandle()){ return false; } requestHeaders = NULL; responseHeaders.clear(); bodydata.Clear(); if(iam_v2_token){ requestHeaders = curl_slist_sort_insert(requestHeaders, S3fsCred::IAMv2_token_hdr, iam_v2_token); } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return false; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return false; } if(!S3fsCurl::AddUserAgent(hCurl)){ // put User-Agent return false; } // [NOTE] // Be sure to give "dontAddAuthHeaders=true". // If set to false(default), it will deadlock in S3fsCred. // int result = RequestPerform(true); // analyzing response if(0 == result){ token = bodydata.str(); }else{ S3FS_PRN_ERR("Error(%d) occurred, could not get IAM role name from meta data.", result); } bodydata.Clear(); return (0 == result); } bool S3fsCurl::AddSseRequestHead(sse_type_t ssetype, const std::string& input, bool is_copy) { std::string ssevalue = input; switch(ssetype){ case sse_type_t::SSE_DISABLE: return true; case sse_type_t::SSE_S3: if(!is_copy){ requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-server-side-encryption", "AES256"); } return true; case sse_type_t::SSE_C: { std::string sseckey; if(S3fsCurl::GetSseKey(ssevalue, sseckey)){ if(is_copy){ requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-copy-source-server-side-encryption-customer-algorithm", "AES256"); requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-copy-source-server-side-encryption-customer-key", sseckey.c_str()); requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-copy-source-server-side-encryption-customer-key-md5", ssevalue.c_str()); }else{ requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-server-side-encryption-customer-algorithm", "AES256"); requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-server-side-encryption-customer-key", sseckey.c_str()); requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-server-side-encryption-customer-key-md5", ssevalue.c_str()); } }else{ S3FS_PRN_WARN("Failed to insert SSE-C header."); } return true; } case sse_type_t::SSE_KMS: if(!is_copy){ if(ssevalue.empty()){ ssevalue = S3fsCurl::GetSseKmsId(); } requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-server-side-encryption", "aws:kms"); requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-server-side-encryption-aws-kms-key-id", ssevalue.c_str()); } return true; } S3FS_PRN_ERR("sse type is unknown(%d).", static_cast(S3fsCurl::ssetype)); return false; } // // tpath : target path for head request // bpath : saved into base_path // savedpath : saved into saved_path // ssekey_pos : -1 means "not" SSE-C type // 0 - X means SSE-C type and position for SSE-C key(0 is latest key) // bool S3fsCurl::PreHeadRequest(const char* tpath, const char* bpath, const char* savedpath, size_t ssekey_pos) { S3FS_PRN_INFO3("[tpath=%s][bpath=%s][save=%s][sseckeypos=%zu]", SAFESTRPTR(tpath), SAFESTRPTR(bpath), SAFESTRPTR(savedpath), ssekey_pos); if(!tpath){ return false; } std::string resource; std::string turl; MakeUrlResource(get_realpath(tpath).c_str(), resource, turl); // libcurl 7.17 does deep copy of url, deep copy "stable" url url = prepare_url(turl.c_str()); path = get_realpath(tpath); base_path = SAFESTRPTR(bpath); saved_path = SAFESTRPTR(savedpath); requestHeaders = NULL; responseHeaders.clear(); // requestHeaders(SSE-C) if(0 <= static_cast(ssekey_pos) && ssekey_pos < S3fsCurl::sseckeys.size()){ std::string md5; if(!S3fsCurl::GetSseKeyMd5(ssekey_pos, md5) || !AddSseRequestHead(sse_type_t::SSE_C, md5, false)){ S3FS_PRN_ERR("Failed to set SSE-C headers for sse-c key pos(%zu)(=md5(%s)).", ssekey_pos, md5.c_str()); return false; } } b_ssekey_pos = ssekey_pos; op = "HEAD"; type = REQTYPE_HEAD; // set lazy function fpLazySetup = PreHeadRequestSetCurlOpts; return true; } int S3fsCurl::HeadRequest(const char* tpath, headers_t& meta) { int result = -1; S3FS_PRN_INFO3("[tpath=%s]", SAFESTRPTR(tpath)); // At first, try to get without SSE-C headers if(!PreHeadRequest(tpath) || !fpLazySetup || !fpLazySetup(this) || 0 != (result = RequestPerform())){ // If has SSE-C keys, try to get with all SSE-C keys. for(size_t pos = 0; pos < S3fsCurl::sseckeys.size(); pos++){ if(!DestroyCurlHandle()){ break; } if(!PreHeadRequest(tpath, NULL, NULL, pos)){ break; } if(!fpLazySetup || !fpLazySetup(this)){ S3FS_PRN_ERR("Failed to lazy setup in single head request."); break; } if(0 == (result = RequestPerform())){ break; } } if(0 != result){ DestroyCurlHandle(); // not check result. return result; } } // file exists in s3 // fixme: clean this up. meta.clear(); for(headers_t::iterator iter = responseHeaders.begin(); iter != responseHeaders.end(); ++iter){ std::string key = lower(iter->first); std::string value = iter->second; if(key == "content-type"){ meta[iter->first] = value; }else if(key == "content-length"){ meta[iter->first] = value; }else if(key == "etag"){ meta[iter->first] = value; }else if(key == "last-modified"){ meta[iter->first] = value; }else if(is_prefix(key.c_str(), "x-amz")){ meta[key] = value; // key is lower case for "x-amz" } } return 0; } int S3fsCurl::PutHeadRequest(const char* tpath, headers_t& meta, bool is_copy) { S3FS_PRN_INFO3("[tpath=%s]", SAFESTRPTR(tpath)); if(!tpath){ return -EINVAL; } if(!CreateCurlHandle()){ return -EIO; } std::string resource; std::string turl; MakeUrlResource(get_realpath(tpath).c_str(), resource, turl); url = prepare_url(turl.c_str()); path = get_realpath(tpath); requestHeaders = NULL; responseHeaders.clear(); bodydata.Clear(); std::string contype = S3fsCurl::LookupMimeType(std::string(tpath)); requestHeaders = curl_slist_sort_insert(requestHeaders, "Content-Type", contype.c_str()); // Make request headers for(headers_t::iterator iter = meta.begin(); iter != meta.end(); ++iter){ std::string key = lower(iter->first); std::string value = iter->second; if(is_prefix(key.c_str(), "x-amz-acl")){ // not set value, but after set it. }else if(is_prefix(key.c_str(), "x-amz-meta")){ requestHeaders = curl_slist_sort_insert(requestHeaders, iter->first.c_str(), value.c_str()); }else if(key == "x-amz-copy-source"){ requestHeaders = curl_slist_sort_insert(requestHeaders, iter->first.c_str(), value.c_str()); }else if(key == "x-amz-server-side-encryption" && value != "aws:kms"){ // skip this header, because this header is specified after logic. }else if(key == "x-amz-server-side-encryption-aws-kms-key-id"){ // skip this header, because this header is specified after logic. }else if(key == "x-amz-server-side-encryption-customer-key-md5"){ // Only copy mode. if(is_copy){ if(!AddSseRequestHead(sse_type_t::SSE_C, value, true)){ S3FS_PRN_WARN("Failed to insert SSE-C header."); } } } } // "x-amz-acl", storage class, sse if(S3fsCurl::default_acl != acl_t::PRIVATE){ requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-acl", S3fsCurl::default_acl.str()); } if(strcasecmp(GetStorageClass().c_str(), "STANDARD") != 0){ requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-storage-class", GetStorageClass().c_str()); } // SSE if(S3fsCurl::GetSseType() != sse_type_t::SSE_DISABLE){ std::string ssevalue; if(!AddSseRequestHead(S3fsCurl::GetSseType(), ssevalue, false)){ S3FS_PRN_WARN("Failed to set SSE header, but continue..."); } } if(is_use_ahbe){ // set additional header by ahbe conf requestHeaders = AdditionalHeader::get()->AddHeader(requestHeaders, tpath); } op = "PUT"; type = REQTYPE_PUTHEAD; // setopt if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_UPLOAD, true)){ // HTTP PUT return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_INFILESIZE, 0)){ // Content-Length return -EIO; } if(!S3fsCurl::AddUserAgent(hCurl)){ // put User-Agent return -EIO; } S3FS_PRN_INFO3("copying... [path=%s]", tpath); int result = RequestPerform(); result = MapPutErrorResponse(result); bodydata.Clear(); return result; } int S3fsCurl::PutRequest(const char* tpath, headers_t& meta, int fd) { struct stat st; FILE* file = NULL; S3FS_PRN_INFO3("[tpath=%s]", SAFESTRPTR(tpath)); if(!tpath){ return -EINVAL; } if(-1 != fd){ // duplicate fd // // [NOTE] // This process requires FILE*, then it is linked to fd with fdopen. // After processing, the FILE* is closed with fclose, and fd is closed together. // The fd should not be closed here, so call dup here to duplicate it. // int fd2; if(-1 == (fd2 = dup(fd)) || -1 == fstat(fd2, &st) || 0 != lseek(fd2, 0, SEEK_SET) || NULL == (file = fdopen(fd2, "rb"))){ S3FS_PRN_ERR("Could not duplicate file descriptor(errno=%d)", errno); if(-1 != fd2){ close(fd2); } return -errno; } b_infile = file; }else{ // This case is creating zero byte object.(calling by create_file_object()) S3FS_PRN_INFO3("create zero byte file object."); } if(!CreateCurlHandle()){ if(file){ fclose(file); } return -EIO; } std::string resource; std::string turl; MakeUrlResource(get_realpath(tpath).c_str(), resource, turl); url = prepare_url(turl.c_str()); path = get_realpath(tpath); requestHeaders = NULL; responseHeaders.clear(); bodydata.Clear(); // Make request headers if(S3fsCurl::is_content_md5){ std::string strMD5; if(-1 != fd){ strMD5 = s3fs_get_content_md5(fd); if(0 == strMD5.length()){ S3FS_PRN_ERR("Failed to make MD5."); return -EIO; } }else{ strMD5 = EMPTY_MD5_BASE64_HASH; } requestHeaders = curl_slist_sort_insert(requestHeaders, "Content-MD5", strMD5.c_str()); } std::string contype = S3fsCurl::LookupMimeType(std::string(tpath)); requestHeaders = curl_slist_sort_insert(requestHeaders, "Content-Type", contype.c_str()); for(headers_t::iterator iter = meta.begin(); iter != meta.end(); ++iter){ std::string key = lower(iter->first); std::string value = iter->second; if(is_prefix(key.c_str(), "x-amz-acl")){ // not set value, but after set it. }else if(is_prefix(key.c_str(), "x-amz-meta")){ requestHeaders = curl_slist_sort_insert(requestHeaders, iter->first.c_str(), value.c_str()); }else if(key == "x-amz-server-side-encryption" && value != "aws:kms"){ // skip this header, because this header is specified after logic. }else if(key == "x-amz-server-side-encryption-aws-kms-key-id"){ // skip this header, because this header is specified after logic. }else if(key == "x-amz-server-side-encryption-customer-key-md5"){ // skip this header, because this header is specified after logic. } } // "x-amz-acl", storage class, sse if(S3fsCurl::default_acl != acl_t::PRIVATE){ requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-acl", S3fsCurl::default_acl.str()); } if(strcasecmp(GetStorageClass().c_str(), "STANDARD") != 0){ requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-storage-class", GetStorageClass().c_str()); } // SSE // do not add SSE for create bucket if(0 != strcmp(tpath, "/")){ std::string ssevalue; if(!AddSseRequestHead(S3fsCurl::GetSseType(), ssevalue, false)){ S3FS_PRN_WARN("Failed to set SSE header, but continue..."); } } if(is_use_ahbe){ // set additional header by ahbe conf requestHeaders = AdditionalHeader::get()->AddHeader(requestHeaders, tpath); } op = "PUT"; type = REQTYPE_PUT; // setopt if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_UPLOAD, true)){ // HTTP PUT return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return -EIO; } if(file){ if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_INFILESIZE_LARGE, static_cast(st.st_size))){ // Content-Length return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_INFILE, file)){ return -EIO; } }else{ if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_INFILESIZE, 0)){ // Content-Length: 0 return -EIO; } } if(!S3fsCurl::AddUserAgent(hCurl)){ // put User-Agent return -EIO; } S3FS_PRN_INFO3("uploading... [path=%s][fd=%d][size=%lld]", tpath, fd, static_cast(-1 != fd ? st.st_size : 0)); int result = RequestPerform(); result = MapPutErrorResponse(result); bodydata.Clear(); if(file){ fclose(file); } return result; } int S3fsCurl::PreGetObjectRequest(const char* tpath, int fd, off_t start, off_t size, sse_type_t ssetype, const std::string& ssevalue) { S3FS_PRN_INFO3("[tpath=%s][start=%lld][size=%lld]", SAFESTRPTR(tpath), static_cast(start), static_cast(size)); if(!tpath || -1 == fd || 0 > start || 0 > size){ return -EINVAL; } std::string resource; std::string turl; MakeUrlResource(get_realpath(tpath).c_str(), resource, turl); url = prepare_url(turl.c_str()); path = get_realpath(tpath); requestHeaders = NULL; responseHeaders.clear(); if(0 < size){ std::string range = "bytes="; range += str(start); range += "-"; range += str(start + size - 1); requestHeaders = curl_slist_sort_insert(requestHeaders, "Range", range.c_str()); } // SSE-C if(sse_type_t::SSE_C == ssetype){ if(!AddSseRequestHead(ssetype, ssevalue, false)){ S3FS_PRN_WARN("Failed to set SSE header, but continue..."); } } op = "GET"; type = REQTYPE_GET; // set lazy function fpLazySetup = PreGetObjectRequestSetCurlOpts; // set info for callback func. // (use only fd, startpos and size, other member is not used.) partdata.clear(); partdata.fd = fd; partdata.startpos = start; partdata.size = size; b_partdata_startpos = start; b_partdata_size = size; b_ssetype = ssetype; b_ssevalue = ssevalue; b_ssekey_pos = -1; // not use this value for get object. return 0; } int S3fsCurl::GetObjectRequest(const char* tpath, int fd, off_t start, off_t size) { int result; S3FS_PRN_INFO3("[tpath=%s][start=%lld][size=%lld]", SAFESTRPTR(tpath), static_cast(start), static_cast(size)); if(!tpath){ return -EINVAL; } sse_type_t local_ssetype = sse_type_t::SSE_DISABLE; std::string ssevalue; if(!get_object_sse_type(tpath, local_ssetype, ssevalue)){ S3FS_PRN_WARN("Failed to get SSE type for file(%s).", SAFESTRPTR(tpath)); } if(0 != (result = PreGetObjectRequest(tpath, fd, start, size, local_ssetype, ssevalue))){ return result; } if(!fpLazySetup || !fpLazySetup(this)){ S3FS_PRN_ERR("Failed to lazy setup in single get object request."); return -EIO; } S3FS_PRN_INFO3("downloading... [path=%s][fd=%d]", tpath, fd); result = RequestPerform(); partdata.clear(); return result; } int S3fsCurl::CheckBucket(const char* check_path) { S3FS_PRN_INFO3("check a bucket."); if(!check_path || 0 == strlen(check_path)){ return -EIO; } if(!CreateCurlHandle()){ return -EIO; } std::string urlargs; if(S3fsCurl::IsListObjectsV2()){ query_string = "list-type=2"; urlargs = "?" + query_string; } std::string resource; std::string turl; MakeUrlResource(check_path, resource, turl); turl += urlargs; url = prepare_url(turl.c_str()); path = check_path; requestHeaders = NULL; responseHeaders.clear(); bodydata.Clear(); op = "GET"; type = REQTYPE_CHKBUCKET; // setopt if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_UNRESTRICTED_AUTH, 1L)){ return -EIO; } if(!S3fsCurl::AddUserAgent(hCurl)){ // put User-Agent return -EIO; } int result = RequestPerform(); if (result != 0) { S3FS_PRN_ERR("Check bucket failed, S3 response: %s", bodydata.str()); } return result; } int S3fsCurl::ListBucketRequest(const char* tpath, const char* query) { S3FS_PRN_INFO3("[tpath=%s]", SAFESTRPTR(tpath)); if(!tpath){ return -EINVAL; } if(!CreateCurlHandle()){ return -EIO; } std::string resource; std::string turl; MakeUrlResource("", resource, turl); // NOTICE: path is "". if(query){ turl += "?"; turl += query; query_string = query; } url = prepare_url(turl.c_str()); path = get_realpath(tpath); requestHeaders = NULL; responseHeaders.clear(); bodydata.Clear(); op = "GET"; type = REQTYPE_LISTBUCKET; // setopt if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return -EIO; } if(S3fsCurl::is_verbose){ if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_DEBUGFUNCTION, S3fsCurl::CurlDebugBodyInFunc)){ // replace debug function return -EIO; } } if(!S3fsCurl::AddUserAgent(hCurl)){ // put User-Agent return -EIO; } return RequestPerform(); } // // Initialize multipart upload // // Example : // POST /example-object?uploads HTTP/1.1 // Host: example-bucket.s3.amazonaws.com // Date: Mon, 1 Nov 2010 20:34:56 GMT // Authorization: AWS VGhpcyBtZXNzYWdlIHNpZ25lZCBieSBlbHZpbmc= // int S3fsCurl::PreMultipartPostRequest(const char* tpath, headers_t& meta, std::string& upload_id, bool is_copy) { S3FS_PRN_INFO3("[tpath=%s]", SAFESTRPTR(tpath)); if(!tpath){ return -EINVAL; } if(!CreateCurlHandle()){ return -EIO; } std::string resource; std::string turl; MakeUrlResource(get_realpath(tpath).c_str(), resource, turl); query_string = "uploads"; turl += "?" + query_string; url = prepare_url(turl.c_str()); path = get_realpath(tpath); requestHeaders = NULL; bodydata.Clear(); responseHeaders.clear(); std::string contype = S3fsCurl::LookupMimeType(std::string(tpath)); for(headers_t::iterator iter = meta.begin(); iter != meta.end(); ++iter){ std::string key = lower(iter->first); std::string value = iter->second; if(is_prefix(key.c_str(), "x-amz-acl")){ // not set value, but after set it. }else if(is_prefix(key.c_str(), "x-amz-meta")){ requestHeaders = curl_slist_sort_insert(requestHeaders, iter->first.c_str(), value.c_str()); }else if(key == "x-amz-server-side-encryption" && value != "aws:kms"){ // skip this header, because this header is specified after logic. }else if(key == "x-amz-server-side-encryption-aws-kms-key-id"){ // skip this header, because this header is specified after logic. }else if(key == "x-amz-server-side-encryption-customer-key-md5"){ // Only copy mode. if(is_copy){ if(!AddSseRequestHead(sse_type_t::SSE_C, value, true)){ S3FS_PRN_WARN("Failed to insert SSE-C header."); } } } } // "x-amz-acl", storage class, sse if(S3fsCurl::default_acl != acl_t::PRIVATE){ requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-acl", S3fsCurl::default_acl.str()); } if(strcasecmp(GetStorageClass().c_str(), "STANDARD") != 0){ requestHeaders = curl_slist_sort_insert(requestHeaders, "x-amz-storage-class", GetStorageClass().c_str()); } // SSE if(S3fsCurl::GetSseType() != sse_type_t::SSE_DISABLE){ std::string ssevalue; if(!AddSseRequestHead(S3fsCurl::GetSseType(), ssevalue, false)){ S3FS_PRN_WARN("Failed to set SSE header, but continue..."); } } if(is_use_ahbe){ // set additional header by ahbe conf requestHeaders = AdditionalHeader::get()->AddHeader(requestHeaders, tpath); } requestHeaders = curl_slist_sort_insert(requestHeaders, "Accept", NULL); requestHeaders = curl_slist_sort_insert(requestHeaders, "Content-Type", contype.c_str()); op = "POST"; type = REQTYPE_PREMULTIPOST; // setopt if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_POST, true)){ // POST return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_POSTFIELDSIZE, 0)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_INFILESIZE, 0)){ // Content-Length return -EIO; } if(!S3fsCurl::AddUserAgent(hCurl)){ // put User-Agent return -EIO; } // request int result; if(0 != (result = RequestPerform())){ bodydata.Clear(); return result; } if(!simple_parse_xml(bodydata.str(), bodydata.size(), "UploadId", upload_id)){ bodydata.Clear(); return -EIO; } bodydata.Clear(); return 0; } int S3fsCurl::CompleteMultipartPostRequest(const char* tpath, const std::string& upload_id, etaglist_t& parts) { S3FS_PRN_INFO3("[tpath=%s][parts=%zu]", SAFESTRPTR(tpath), parts.size()); if(!tpath){ return -EINVAL; } // make contents std::string postContent; postContent += "\n"; for(etaglist_t::iterator it = parts.begin(); it != parts.end(); ++it){ if(it->etag.empty()){ S3FS_PRN_ERR("%d file part is not finished uploading.", it->part_num); return -EIO; } postContent += "\n"; postContent += " " + str(it->part_num) + "\n"; postContent += " " + it->etag + "\n"; postContent += "\n"; } postContent += "\n"; // set postdata postdata = reinterpret_cast(postContent.c_str()); b_postdata = postdata; postdata_remaining = postContent.size(); // without null b_postdata_remaining = postdata_remaining; if(!CreateCurlHandle()){ postdata = NULL; b_postdata = NULL; return -EIO; } std::string resource; std::string turl; MakeUrlResource(get_realpath(tpath).c_str(), resource, turl); // [NOTE] // Encode the upload_id here. // In compatible S3 servers(Cloudflare, etc), there are cases where characters that require URL encoding are included. // query_string = "uploadId=" + urlEncodeGeneral(upload_id); turl += "?" + query_string; url = prepare_url(turl.c_str()); path = get_realpath(tpath); requestHeaders = NULL; bodydata.Clear(); responseHeaders.clear(); std::string contype = "application/xml"; requestHeaders = curl_slist_sort_insert(requestHeaders, "Accept", NULL); requestHeaders = curl_slist_sort_insert(requestHeaders, "Content-Type", contype.c_str()); op = "POST"; type = REQTYPE_COMPLETEMULTIPOST; // setopt if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_POST, true)){ // POST return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_POSTFIELDSIZE, static_cast(postdata_remaining))){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_READDATA, reinterpret_cast(this))){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_READFUNCTION, S3fsCurl::ReadCallback)){ return -EIO; } if(S3fsCurl::is_verbose){ if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_DEBUGFUNCTION, S3fsCurl::CurlDebugBodyOutFunc)){ // replace debug function return -EIO; } } if(!S3fsCurl::AddUserAgent(hCurl)){ // put User-Agent return -EIO; } // request int result = RequestPerform(); bodydata.Clear(); postdata = NULL; b_postdata = NULL; return result; } int S3fsCurl::MultipartListRequest(std::string& body) { S3FS_PRN_INFO3("list request(multipart)"); if(!CreateCurlHandle()){ return -EIO; } std::string resource; std::string turl; path = get_realpath("/"); MakeUrlResource(path.c_str(), resource, turl); query_string = "uploads"; turl += "?" + query_string; url = prepare_url(turl.c_str()); requestHeaders = NULL; responseHeaders.clear(); bodydata.Clear(); requestHeaders = curl_slist_sort_insert(requestHeaders, "Accept", NULL); op = "GET"; type = REQTYPE_MULTILIST; // setopt if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)&bodydata)){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback)){ return -EIO; } if(!S3fsCurl::AddUserAgent(hCurl)){ // put User-Agent return -EIO; } int result; if(0 == (result = RequestPerform()) && 0 < bodydata.size()){ body = bodydata.str(); }else{ body = ""; } bodydata.Clear(); return result; } int S3fsCurl::AbortMultipartUpload(const char* tpath, const std::string& upload_id) { S3FS_PRN_INFO3("[tpath=%s]", SAFESTRPTR(tpath)); if(!tpath){ return -EINVAL; } if(!CreateCurlHandle()){ return -EIO; } std::string resource; std::string turl; MakeUrlResource(get_realpath(tpath).c_str(), resource, turl); // [NOTE] // Encode the upload_id here. // In compatible S3 servers(Cloudflare, etc), there are cases where characters that require URL encoding are included. // query_string = "uploadId=" + urlEncodeGeneral(upload_id); turl += "?" + query_string; url = prepare_url(turl.c_str()); path = get_realpath(tpath); requestHeaders = NULL; responseHeaders.clear(); op = "DELETE"; type = REQTYPE_ABORTMULTIUPLOAD; if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){ return -EIO; } if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_CUSTOMREQUEST, "DELETE")){ return -EIO; } if(!S3fsCurl::AddUserAgent(hCurl)){ // put User-Agent return -EIO; } return RequestPerform(); } // // PUT /ObjectName?partNumber=PartNumber&uploadId=UploadId HTTP/1.1 // Host: BucketName.s3.amazonaws.com // Date: date // Content-Length: Size // Authorization: Signature // // PUT /my-movie.m2ts?partNumber=1&uploadId=VCVsb2FkIElEIGZvciBlbZZpbmcncyBteS1tb3ZpZS5tMnRzIHVwbG9hZR HTTP/1.1 // Host: example-bucket.s3.amazonaws.com // Date: Mon, 1 Nov 2010 20:34:56 GMT // Content-Length: 10485760 // Content-MD5: pUNXr/BjKK5G2UKvaRRrOA== // Authorization: AWS VGhpcyBtZXNzYWdlIHNpZ25lZGGieSRlbHZpbmc= // int S3fsCurl::UploadMultipartPostSetup(const char* tpath, int part_num, const std::string& upload_id) { S3FS_PRN_INFO3("[tpath=%s][start=%lld][size=%lld][part=%d]", SAFESTRPTR(tpath), static_cast(partdata.startpos), static_cast(partdata.size), part_num); if(-1 == partdata.fd || -1 == partdata.startpos || -1 == partdata.size){ return -EINVAL; } requestHeaders = NULL; // make md5 and file pointer if(S3fsCurl::is_content_md5){ unsigned char *md5raw = s3fs_md5_fd(partdata.fd, partdata.startpos, partdata.size); if(md5raw == NULL){ S3FS_PRN_ERR("Could not make md5 for file(part %d)", part_num); return -EIO; } partdata.etag = s3fs_hex_lower(md5raw, get_md5_digest_length()); char* md5base64p = s3fs_base64(md5raw, get_md5_digest_length()); requestHeaders = curl_slist_sort_insert(requestHeaders, "Content-MD5", md5base64p); delete[] md5base64p; delete[] md5raw; } // make request // // [NOTE] // Encode the upload_id here. // In compatible S3 servers(Cloudflare, etc), there are cases where characters that require URL encoding are included. // query_string = "partNumber=" + str(part_num) + "&uploadId=" + urlEncodeGeneral(upload_id); std::string urlargs = "?" + query_string; std::string resource; std::string turl; MakeUrlResource(get_realpath(tpath).c_str(), resource, turl); turl += urlargs; url = prepare_url(turl.c_str()); path = get_realpath(tpath); bodydata.Clear(); headdata.Clear(); responseHeaders.clear(); // SSE-C if(sse_type_t::SSE_C == S3fsCurl::GetSseType()){ std::string ssevalue; if(!AddSseRequestHead(S3fsCurl::GetSseType(), ssevalue, false)){ S3FS_PRN_WARN("Failed to set SSE header, but continue..."); } } requestHeaders = curl_slist_sort_insert(requestHeaders, "Accept", NULL); op = "PUT"; type = REQTYPE_UPLOADMULTIPOST; // set lazy function fpLazySetup = UploadMultipartPostSetCurlOpts; return 0; } int S3fsCurl::UploadMultipartPostRequest(const char* tpath, int part_num, const std::string& upload_id) { int result; S3FS_PRN_INFO3("[tpath=%s][start=%lld][size=%lld][part=%d]", SAFESTRPTR(tpath), static_cast(partdata.startpos), static_cast(partdata.size), part_num); // setup if(0 != (result = S3fsCurl::UploadMultipartPostSetup(tpath, part_num, upload_id))){ return result; } if(!fpLazySetup || !fpLazySetup(this)){ S3FS_PRN_ERR("Failed to lazy setup in multipart upload post request."); return -EIO; } // request if(0 == (result = RequestPerform())){ // UploadMultipartPostComplete returns true on success -> convert to 0 result = !UploadMultipartPostComplete(); } // closing bodydata.Clear(); headdata.Clear(); return result; } int S3fsCurl::CopyMultipartPostSetup(const char* from, const char* to, int part_num, const std::string& upload_id, headers_t& meta) { S3FS_PRN_INFO3("[from=%s][to=%s][part=%d]", SAFESTRPTR(from), SAFESTRPTR(to), part_num); if(!from || !to){ return -EINVAL; } // [NOTE] // Encode the upload_id here. // In compatible S3 servers(Cloudflare, etc), there are cases where characters that require URL encoding are included. // query_string = "partNumber=" + str(part_num) + "&uploadId=" + urlEncodeGeneral(upload_id); std::string urlargs = "?" + query_string; std::string resource; std::string turl; MakeUrlResource(get_realpath(to).c_str(), resource, turl); turl += urlargs; url = prepare_url(turl.c_str()); path = get_realpath(to); requestHeaders = NULL; responseHeaders.clear(); bodydata.Clear(); headdata.Clear(); std::string contype = S3fsCurl::LookupMimeType(std::string(to)); requestHeaders = curl_slist_sort_insert(requestHeaders, "Content-Type", contype.c_str()); // Make request headers for(headers_t::iterator iter = meta.begin(); iter != meta.end(); ++iter){ std::string key = lower(iter->first); std::string value = iter->second; if(key == "x-amz-copy-source"){ requestHeaders = curl_slist_sort_insert(requestHeaders, iter->first.c_str(), value.c_str()); }else if(key == "x-amz-copy-source-range"){ requestHeaders = curl_slist_sort_insert(requestHeaders, iter->first.c_str(), value.c_str()); }else if(key == "x-amz-server-side-encryption" && value != "aws:kms"){ // skip this header }else if(key == "x-amz-server-side-encryption-aws-kms-key-id"){ // skip this header }else if(key == "x-amz-server-side-encryption-customer-key-md5"){ if(!AddSseRequestHead(sse_type_t::SSE_C, value, true)){ S3FS_PRN_WARN("Failed to insert SSE-C header."); } } } // SSE-C if(sse_type_t::SSE_C == S3fsCurl::GetSseType()){ std::string ssevalue; if(!AddSseRequestHead(S3fsCurl::GetSseType(), ssevalue, false)){ S3FS_PRN_WARN("Failed to set SSE header, but continue..."); } } op = "PUT"; type = REQTYPE_COPYMULTIPOST; // set lazy function fpLazySetup = CopyMultipartPostSetCurlOpts; // request S3FS_PRN_INFO3("copying... [from=%s][to=%s][part=%d]", from, to, part_num); return 0; } bool S3fsCurl::UploadMultipartPostComplete() { headers_t::iterator it = responseHeaders.find("ETag"); if (it == responseHeaders.end()) { return false; } // check etag(md5); // // The ETAG when using SSE_C and SSE_KMS does not reflect the MD5 we sent // SSE_C: https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectPUT.html // SSE_KMS is ignored in the above, but in the following it states the same in the highlights: // https://docs.aws.amazon.com/AmazonS3/latest/dev/UsingKMSEncryption.html // if(S3fsCurl::is_content_md5 && sse_type_t::SSE_C != S3fsCurl::GetSseType() && sse_type_t::SSE_KMS != S3fsCurl::GetSseType()){ if(!etag_equals(it->second, partdata.etag)){ return false; } } partdata.petag->etag = it->second; partdata.uploaded = true; return true; } // cppcheck-suppress unmatchedSuppression // cppcheck-suppress constParameter bool S3fsCurl::CopyMultipartPostCallback(S3fsCurl* s3fscurl, void* param) { if(!s3fscurl || param){ // this callback does not need a parameter return false; } return s3fscurl->CopyMultipartPostComplete(); } bool S3fsCurl::CopyMultipartPostComplete() { std::string etag; partdata.uploaded = simple_parse_xml(bodydata.str(), bodydata.size(), "ETag", etag); if(etag.size() >= 2 && *etag.begin() == '"' && *etag.rbegin() == '"'){ etag.erase(etag.size() - 1); etag.erase(0, 1); } partdata.petag->etag = etag; bodydata.Clear(); headdata.Clear(); return true; } bool S3fsCurl::MixMultipartPostComplete() { bool result; if(-1 == partdata.fd){ result = CopyMultipartPostComplete(); }else{ result = UploadMultipartPostComplete(); } return result; } int S3fsCurl::MultipartHeadRequest(const char* tpath, off_t size, headers_t& meta, bool is_copy) { int result; std::string upload_id; off_t chunk; off_t bytes_remaining; etaglist_t list; S3FS_PRN_INFO3("[tpath=%s]", SAFESTRPTR(tpath)); if(0 != (result = PreMultipartPostRequest(tpath, meta, upload_id, is_copy))){ return result; } DestroyCurlHandle(); // Initialize S3fsMultiCurl S3fsMultiCurl curlmulti(GetMaxParallelCount()); curlmulti.SetSuccessCallback(S3fsCurl::CopyMultipartPostCallback); curlmulti.SetRetryCallback(S3fsCurl::CopyMultipartPostRetryCallback); for(bytes_remaining = size, chunk = 0; 0 < bytes_remaining; bytes_remaining -= chunk){ chunk = bytes_remaining > GetMultipartCopySize() ? GetMultipartCopySize() : bytes_remaining; std::ostringstream strrange; strrange << "bytes=" << (size - bytes_remaining) << "-" << (size - bytes_remaining + chunk - 1); meta["x-amz-copy-source-range"] = strrange.str(); // s3fscurl sub object S3fsCurl* s3fscurl_para = new S3fsCurl(true); s3fscurl_para->b_from = SAFESTRPTR(tpath); s3fscurl_para->b_meta = meta; s3fscurl_para->partdata.add_etag_list(list); // initiate upload part for parallel if(0 != (result = s3fscurl_para->CopyMultipartPostSetup(tpath, tpath, s3fscurl_para->partdata.get_part_number(), upload_id, meta))){ S3FS_PRN_ERR("failed uploading part setup(%d)", result); delete s3fscurl_para; return result; } // set into parallel object if(!curlmulti.SetS3fsCurlObject(s3fscurl_para)){ S3FS_PRN_ERR("Could not make curl object into multi curl(%s).", tpath); delete s3fscurl_para; return -EIO; } } // Multi request if(0 != (result = curlmulti.Request())){ S3FS_PRN_ERR("error occurred in multi request(errno=%d).", result); S3fsCurl s3fscurl_abort(true); int result2 = s3fscurl_abort.AbortMultipartUpload(tpath, upload_id); s3fscurl_abort.DestroyCurlHandle(); if(result2 != 0){ S3FS_PRN_ERR("error aborting multipart upload(errno=%d).", result2); } return result; } if(0 != (result = CompleteMultipartPostRequest(tpath, upload_id, list))){ return result; } return 0; } int S3fsCurl::MultipartUploadRequest(const std::string& upload_id, const char* tpath, int fd, off_t offset, off_t size, etagpair* petagpair) { S3FS_PRN_INFO3("[upload_id=%s][tpath=%s][fd=%d][offset=%lld][size=%lld]", upload_id.c_str(), SAFESTRPTR(tpath), fd, static_cast(offset), static_cast(size)); // set partdata.fd = fd; partdata.startpos = offset; partdata.size = size; b_partdata_startpos = partdata.startpos; b_partdata_size = partdata.size; partdata.set_etag(petagpair); // upload part int result; if(0 != (result = UploadMultipartPostRequest(tpath, petagpair->part_num, upload_id))){ S3FS_PRN_ERR("failed uploading %d part by error(%d)", petagpair->part_num, result); return result; } DestroyCurlHandle(); return 0; } int S3fsCurl::MultipartRenameRequest(const char* from, const char* to, headers_t& meta, off_t size) { int result; std::string upload_id; off_t chunk; off_t bytes_remaining; etaglist_t list; S3FS_PRN_INFO3("[from=%s][to=%s]", SAFESTRPTR(from), SAFESTRPTR(to)); std::string srcresource; std::string srcurl; MakeUrlResource(get_realpath(from).c_str(), srcresource, srcurl); meta["Content-Type"] = S3fsCurl::LookupMimeType(std::string(to)); meta["x-amz-copy-source"] = srcresource; if(0 != (result = PreMultipartPostRequest(to, meta, upload_id, true))){ return result; } DestroyCurlHandle(); // Initialize S3fsMultiCurl S3fsMultiCurl curlmulti(GetMaxParallelCount()); curlmulti.SetSuccessCallback(S3fsCurl::CopyMultipartPostCallback); curlmulti.SetRetryCallback(S3fsCurl::CopyMultipartPostRetryCallback); for(bytes_remaining = size, chunk = 0; 0 < bytes_remaining; bytes_remaining -= chunk){ chunk = bytes_remaining > GetMultipartCopySize() ? GetMultipartCopySize() : bytes_remaining; std::ostringstream strrange; strrange << "bytes=" << (size - bytes_remaining) << "-" << (size - bytes_remaining + chunk - 1); meta["x-amz-copy-source-range"] = strrange.str(); // s3fscurl sub object S3fsCurl* s3fscurl_para = new S3fsCurl(true); s3fscurl_para->b_from = SAFESTRPTR(from); s3fscurl_para->b_meta = meta; s3fscurl_para->partdata.add_etag_list(list); // initiate upload part for parallel if(0 != (result = s3fscurl_para->CopyMultipartPostSetup(from, to, s3fscurl_para->partdata.get_part_number(), upload_id, meta))){ S3FS_PRN_ERR("failed uploading part setup(%d)", result); delete s3fscurl_para; return result; } // set into parallel object if(!curlmulti.SetS3fsCurlObject(s3fscurl_para)){ S3FS_PRN_ERR("Could not make curl object into multi curl(%s).", to); delete s3fscurl_para; return -EIO; } } // Multi request if(0 != (result = curlmulti.Request())){ S3FS_PRN_ERR("error occurred in multi request(errno=%d).", result); S3fsCurl s3fscurl_abort(true); int result2 = s3fscurl_abort.AbortMultipartUpload(to, upload_id); s3fscurl_abort.DestroyCurlHandle(); if(result2 != 0){ S3FS_PRN_ERR("error aborting multipart upload(errno=%d).", result2); } return result; } if(0 != (result = CompleteMultipartPostRequest(to, upload_id, list))){ return result; } return 0; } /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * End: * vim600: expandtab sw=4 ts=4 fdm=marker * vim<600: expandtab sw=4 ts=4 */