mirror of
https://github.com/s3fs-fuse/s3fs-fuse.git
synced 2024-12-31 20:01:49 +00:00
Changes codes
1) Supported IAM role Supports IAM role by option, that is instead of AccessKeyID/ SecretAccessKey. Adds new option "iam_role" which is specified as IAM role name.(like s3fs-c) git-svn-id: http://s3fs.googlecode.com/svn/trunk@490 df820570-a93a-0410-bd06-b72b767a4274
This commit is contained in:
ggtakec@gmail.com
parent
44468ba00f
commit
99db6d13af
@ -145,6 +145,9 @@ Enable to send "Content-MD5" header when uploading a object without multipart po
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If this option is enabled, it has some influences on a performance of s3fs when uploading small object.
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Because s3fs always checks MD5 when uploading large object, this option does not affect on large object.
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.TP
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\fB\-o\fR iam_role ( default is no role )
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set the IAM Role that will supply the credentials from the instance meta-data.
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.TP
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\fB\-o\fR noxmlns - disable registing xml name space.
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disable registing xml name space for response of ListBucketResult and ListVersionsResult etc. Default name space is looked up from "http://s3.amazonaws.com/doc/2006-03-01".
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This option should not be specified now, because s3fs looks up xmlns automatically after v1.66.
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152
src/curl.cpp
152
src/curl.cpp
@ -138,6 +138,14 @@ const char* BodyData::str(void) const
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#define MULTIPART_SIZE 10485760 // 10MB
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#define MAX_MULTI_COPY_SOURCE_SIZE 524288000 // 500MB
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#define IAM_EXPIRE_MERGIN (20 * 60) // update timming
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#define IAM_CRED_URL "http://169.254.169.254/latest/meta-data/iam/security-credentials/"
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#define IAMCRED_ACCESSKEYID "AccessKeyId"
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#define IAMCRED_SECRETACCESSKEY "SecretAccessKey"
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#define IAMCRED_ACCESSTOKEN "Token"
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#define IAMCRED_EXPIRATION "Expiration"
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#define IAMCRED_KEYCOUNT 4
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pthread_mutex_t S3fsCurl::curl_handles_lock;
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pthread_mutex_t S3fsCurl::curl_share_lock[SHARE_MUTEX_MAX];
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pthread_mutex_t* S3fsCurl::crypt_mutex = NULL;
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@ -156,6 +164,9 @@ bool S3fsCurl::is_content_md5 = false;
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bool S3fsCurl::is_verbose = false;
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string S3fsCurl::AWSAccessKeyId;
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string S3fsCurl::AWSSecretAccessKey;
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string S3fsCurl::AWSAccessToken;
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time_t S3fsCurl::AWSAccessTokenExpire= 0;
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string S3fsCurl::IAM_role;
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long S3fsCurl::ssl_verify_hostname = 1; // default(original code...)
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const EVP_MD* S3fsCurl::evp_md = EVP_sha1();
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curltime_t S3fsCurl::curl_times;
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@ -804,6 +815,13 @@ long S3fsCurl::SetSslVerifyHostname(long value)
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return old;
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}
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string S3fsCurl::SetIAMRole(const char* role)
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{
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string old = S3fsCurl::IAM_role;
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S3fsCurl::IAM_role = role ? role : "";
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return old;
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}
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int S3fsCurl::SetMaxParallelCount(int value)
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{
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int old = S3fsCurl::max_parallel_cnt;
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@ -1017,6 +1035,82 @@ int S3fsCurl::ParallelGetObjectRequest(const char* tpath, int fd, off_t start, s
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return result;
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}
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bool S3fsCurl::ParseIAMCredentialResponse(const char* response, iamcredmap_t& keyval)
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{
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if(!response){
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return false;
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}
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istringstream sscred(response);
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string oneline;
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keyval.clear();
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while(getline(sscred, oneline, '\n')){
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string::size_type pos;
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string key;
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string val;
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if(string::npos != (pos = oneline.find(IAMCRED_ACCESSKEYID))){
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key = IAMCRED_ACCESSKEYID;
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}else if(string::npos != (pos = oneline.find(IAMCRED_SECRETACCESSKEY))){
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key = IAMCRED_SECRETACCESSKEY;
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}else if(string::npos != (pos = oneline.find(IAMCRED_ACCESSTOKEN))){
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key = IAMCRED_ACCESSTOKEN;
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}else if(string::npos != (pos = oneline.find(IAMCRED_EXPIRATION))){
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key = IAMCRED_EXPIRATION;
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}else{
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continue;
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}
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if(string::npos == (pos = oneline.find(':', pos + key.length()))){
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continue;
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}
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if(string::npos == (pos = oneline.find('\"', pos))){
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continue;
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}
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oneline = oneline.substr(pos + sizeof(char));
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if(string::npos == (pos = oneline.find('\"'))){
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continue;
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}
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val = oneline.substr(0, pos);
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keyval[key] = val;
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}
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return true;
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}
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bool S3fsCurl::SetIAMCredentials(const char* response)
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{
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FPRNINFO("IAM credential response = \"%s\"", response);
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iamcredmap_t keyval;
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if(!ParseIAMCredentialResponse(response, keyval)){
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return false;
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}
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if(IAMCRED_KEYCOUNT != keyval.size()){
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return false;
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}
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S3fsCurl::AWSAccessKeyId = keyval[string(IAMCRED_ACCESSKEYID)];
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S3fsCurl::AWSSecretAccessKey = keyval[string(IAMCRED_SECRETACCESSKEY)];
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S3fsCurl::AWSAccessToken = keyval[string(IAMCRED_ACCESSTOKEN)];
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S3fsCurl::AWSAccessTokenExpire = cvtIAMExpireStringToTime(keyval[string(IAMCRED_EXPIRATION)].c_str());
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return true;
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}
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bool S3fsCurl::CheckIAMCredentialUpdate(void)
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{
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if(0 == S3fsCurl::IAM_role.size()){
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return true;
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}
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if(time(NULL) + IAM_EXPIRE_MERGIN <= S3fsCurl::AWSAccessTokenExpire){
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return true;
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}
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// update
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S3fsCurl s3fscurl;
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if(0 != s3fscurl.GetIAMCredentials()){
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return false;
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}
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return true;
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}
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//-------------------------------------------------------------------
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// Methods for S3fsCurl
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//-------------------------------------------------------------------
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@ -1044,12 +1138,15 @@ bool S3fsCurl::ResetHandle(void)
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curl_easy_setopt(hCurl, CURLOPT_PROGRESSDATA, hCurl);
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// curl_easy_setopt(hCurl, CURLOPT_FORBID_REUSE, 1);
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if(type != REQTYPE_IAMCRED){
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// REQTYPE_IAMCRED is always HTTP
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if(0 == S3fsCurl::ssl_verify_hostname){
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curl_easy_setopt(hCurl, CURLOPT_SSL_VERIFYHOST, 0);
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}
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if(S3fsCurl::curl_ca_bundle.size() != 0){
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curl_easy_setopt(hCurl, CURLOPT_CAINFO, S3fsCurl::curl_ca_bundle.c_str());
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}
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}
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if((S3fsCurl::is_dns_cache || S3fsCurl::is_ssl_session_cache) && S3fsCurl::hCurlShare){
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curl_easy_setopt(hCurl, CURLOPT_SHARE, S3fsCurl::hCurlShare);
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}
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@ -1320,6 +1417,12 @@ bool S3fsCurl::RemakeHandle(void)
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curl_easy_setopt(hCurl, CURLOPT_HTTPHEADER, requestHeaders);
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break;
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case REQTYPE_IAMCRED:
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curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str());
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curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)bodydata);
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curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
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break;
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default:
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DPRNNN("request type is unknown(%d)", type);
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return false;
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@ -1513,6 +1616,14 @@ string S3fsCurl::CalcSignature(string method, string strMD5, string content_type
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string Signature;
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string StringToSign;
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if(0 < S3fsCurl::IAM_role.size()){
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if(!S3fsCurl::CheckIAMCredentialUpdate()){
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DPRN("Something error occurred in checking IAM credential.");
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return Signature; // returns empty string, then it occures error.
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}
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requestHeaders = curl_slist_sort_insert(requestHeaders, string("x-amz-security-token:" + S3fsCurl::AWSAccessToken).c_str());
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}
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StringToSign += method + "\n";
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StringToSign += strMD5 + "\n"; // md5
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StringToSign += content_type + "\n";
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@ -1683,6 +1794,47 @@ int S3fsCurl::DeleteRequest(const char* tpath)
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return RequestPerform();
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}
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//
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// Get AccessKeyId/SecretAccessKey/AccessToken/Expiration by IAM role,
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// and Set these value to class valiable.
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//
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int S3fsCurl::GetIAMCredentials(void)
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{
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FPRNINFO("[IAM role=%s]", S3fsCurl::IAM_role.c_str());
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if(0 == S3fsCurl::IAM_role.size()){
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DPRN("IAM role name is empty.");
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return -EIO;
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}
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// at first set type for handle
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type = REQTYPE_IAMCRED;
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if(!CreateCurlHandle(true)){
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return -EIO;
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}
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// url
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url = string(IAM_CRED_URL) + S3fsCurl::IAM_role;
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requestHeaders = NULL;
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responseHeaders.clear();
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bodydata = new BodyData();
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curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str());
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curl_easy_setopt(hCurl, CURLOPT_WRITEDATA, (void*)bodydata);
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curl_easy_setopt(hCurl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
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int result = RequestPerform();
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// analizing response
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if(0 == result && !S3fsCurl::SetIAMCredentials(bodydata->str())){
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DPRN("Something error occured, could not get IAM credential.");
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}
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delete bodydata;
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bodydata = NULL;
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return result;
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}
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//
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// tpath : target path for head request
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// bpath : saved into base_path
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19
src/curl.h
19
src/curl.h
@ -99,6 +99,8 @@ class S3fsMultiCurl;
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//----------------------------------------------
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// class S3fsCurl
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//----------------------------------------------
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typedef std::map<std::string, std::string> iamcredmap_t;
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// share
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#define SHARE_MUTEX_DNS 0
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#define SHARE_MUTEX_SSL_SESSION 1
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@ -130,7 +132,8 @@ class S3fsCurl
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REQTYPE_COMPLETEMULTIPOST,
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REQTYPE_UPLOADMULTIPOST,
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REQTYPE_COPYMULTIPOST,
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REQTYPE_MULTILIST
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REQTYPE_MULTILIST,
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REQTYPE_IAMCRED
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};
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// class variables
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@ -152,6 +155,9 @@ class S3fsCurl
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static bool is_verbose;
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static std::string AWSAccessKeyId;
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static std::string AWSSecretAccessKey;
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static std::string AWSAccessToken;
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static time_t AWSAccessTokenExpire;
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static std::string IAM_role;
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static long ssl_verify_hostname;
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static const EVP_MD* evp_md;
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static curltime_t curl_times;
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@ -216,12 +222,16 @@ class S3fsCurl
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static S3fsCurl* UploadMultipartPostRetryCallback(S3fsCurl* s3fscurl);
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static S3fsCurl* ParallelGetObjectRetryCallback(S3fsCurl* s3fscurl);
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static bool ParseIAMCredentialResponse(const char* response, iamcredmap_t& keyval);
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static bool SetIAMCredentials(const char* response);
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// methods
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bool ResetHandle(void);
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bool RemakeHandle(void);
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bool ClearInternalData(void);
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std::string CalcSignature(std::string method, std::string strMD5, std::string content_type, std::string date, std::string resource);
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bool GetUploadId(std::string& upload_id);
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int GetIAMCredentials(void);
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int PreMultipartPostRequest(const char* tpath, headers_t& meta, std::string& upload_id, bool ow_sse_flg);
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int CompleteMultipartPostRequest(const char* tpath, std::string& upload_id, etaglist_t& parts);
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@ -235,6 +245,7 @@ class S3fsCurl
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static bool DestroyS3fsCurl(void);
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static int ParallelMultipartUploadRequest(const char* tpath, headers_t& meta, int fd, bool ow_sse_flg);
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static int ParallelGetObjectRequest(const char* tpath, int fd, off_t start, ssize_t size);
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static bool CheckIAMCredentialUpdate(void);
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// class methods(valiables)
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static std::string LookupMimeType(std::string name);
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@ -255,10 +266,14 @@ class S3fsCurl
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static bool SetVerbose(bool flag);
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static bool GetVerbose(void) { return S3fsCurl::is_verbose; }
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static bool SetAccessKey(const char* AccessKeyId, const char* SecretAccessKey);
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static bool IsSetAccessKeyId(void) { return (0 < S3fsCurl::AWSAccessKeyId.size() && 0 < S3fsCurl::AWSSecretAccessKey.size()); }
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static bool IsSetAccessKeyId(void){
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return (0 < S3fsCurl::IAM_role.size() || (0 < S3fsCurl::AWSAccessKeyId.size() && 0 < S3fsCurl::AWSSecretAccessKey.size()));
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}
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static long SetSslVerifyHostname(long value);
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static long GetSslVerifyHostname(void) { return S3fsCurl::ssl_verify_hostname; }
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static int SetMaxParallelCount(int value);
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static std::string SetIAMRole(const char* role);
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static const char* GetIAMRole(void) { return S3fsCurl::IAM_role.c_str(); }
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// methods
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bool CreateCurlHandle(bool force = false);
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11
src/s3fs.cpp
11
src/s3fs.cpp
@ -2664,6 +2664,12 @@ static int s3fs_check_service(void)
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{
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FPRN("check services.");
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// At first time for access S3, we check IAM role if it sets.
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if(!S3fsCurl::CheckIAMCredentialUpdate()){
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fprintf(stderr, "%s: Failed to check IAM role name(%s).\n", program_name.c_str(), S3fsCurl::GetIAMRole());
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return EXIT_FAILURE;
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}
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S3fsCurl s3fscurl;
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if(0 != s3fscurl.CheckBucket()){
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fprintf(stderr, "%s: Failed to access bucket.\n", program_name.c_str());
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@ -3256,6 +3262,11 @@ static int my_fuse_opt_proc(void* data, const char* arg, int key, struct fuse_ar
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passwd_file = strchr(arg, '=') + sizeof(char);
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return 0;
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}
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if(0 == STR2NCMP(arg, "iam_role=")){
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const char* role = strchr(arg, '=') + sizeof(char);
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S3fsCurl::SetIAMRole(role);
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return 0;
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}
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if(0 == STR2NCMP(arg, "public_bucket=")){
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long pubbucket = strtol(strchr(arg, '=') + sizeof(char), 0, 10);
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if(1 == pubbucket){
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@ -743,6 +743,17 @@ blkcnt_t get_blocks(off_t size)
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return size / 512 + 1;
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}
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time_t cvtIAMExpireStringToTime(const char* s)
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{
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struct tm tm;
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if(!s){
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return 0L;
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}
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memset(&tm, 0, sizeof(struct tm));
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strptime(s, "%Y-%m-%dT%H:%M:%S", &tm);
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return mktime(&tm); // GMT
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}
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time_t get_lastmodified(const char* s)
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{
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struct tm tm;
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@ -927,6 +938,10 @@ void show_help (void)
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" enable_content_md5 (default is disable)\n"
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" - verifying uploaded object without multipart by content-md5 header.\n"
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"\n"
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" iam_role (default is no role)\n"
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" - set the IAM Role that will supply the credentials from the \n"
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" instance meta-data.\n"
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"\n"
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" noxmlns (disable registing xml name space)\n"
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" disable registing xml name space for response of \n"
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" ListBucketResult and ListVersionsResult etc. Default name \n"
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@ -106,6 +106,7 @@ uid_t get_uid(headers_t& meta);
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gid_t get_gid(const char *s);
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gid_t get_gid(headers_t& meta);
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blkcnt_t get_blocks(off_t size);
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time_t cvtIAMExpireStringToTime(const char* s);
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time_t get_lastmodified(const char* s);
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time_t get_lastmodified(headers_t& meta);
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bool is_need_check_obj_detail(headers_t& meta);
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