[#34] Add S3 as a permitted proxy protocol

Author: bbockelm

src/XrdApps/XrdCpConfig.cc

@@ -386,6 +386,7 @@ do{while(optind < Argc && Legacy(optind)) {}
      &&  dstFile->Protocol != XrdCpFile::isStdIO
      &&  dstFile->Protocol != XrdCpFile::isXroot
      &&  dstFile->Protocol != XrdCpFile::isPelican
+     &&  dstFile->Protocol != XrdCpFile::isS3
      &&  (!Want(DoAllowHttp) && ((dstFile->Protocol == XrdCpFile::isHttp) ||
                                  (dstFile->Protocol == XrdCpFile::isHttps))))
         {FMSG(dstFile->ProtName <<"file protocol is not supported.", 22)}
@@ -905,6 +906,7 @@ void XrdCpConfig::ProcFile(const char *fname)
     else if (!((pFile->Protocol == XrdCpFile::isXroot) ||
                (pFile->Protocol == XrdCpFile::isXroots) ||
                (pFile->Protocol == XrdCpFile::isPelican) ||
+               (pFile->Protocol == XrdCpFile::isS3) ||
                (Want(DoAllowHttp) && ((pFile->Protocol == XrdCpFile::isHttp) ||
                                       (pFile->Protocol == XrdCpFile::isHttps)))))
                {FMSG(pFile->ProtName <<" file protocol is not supported.", 22)}

src/XrdApps/XrdCpFile.cc

@@ -56,7 +56,8 @@ XrdCpFile::XrdCpFile(const char *FSpec, int &badURL)
                            {"root://",   7, isXroot},
                            {"roots://",  8, isXroots},
                            {"http://",   7, isHttp},
-                           {"pelican://",  10, isPelican},
+                           {"pelican://", 10,  isPelican},
+                           {"s3://",     5, isS3},
                            {"https://",  8, isHttps}
                           };
    static int pTnum = sizeof(pTab)/sizeof(struct proto);

src/XrdApps/XrdCpFile.hh

@@ -38,7 +38,7 @@ class XrdCpFile
 public:
 
 enum PType {isOther = 0, isDir,    isFile, isStdIO,
-            isXroot,     isXroots, isHttp, isHttps, isPelican, isDevNull, isDevZero
+            isXroot,     isXroots, isHttp, isHttps, isPelican, isS3, isDevNull, isDevZero
            };
 
 XrdCpFile        *Next;         // -> Next file in list

src/XrdPss/XrdPssUtils.cc

@@ -43,7 +43,7 @@ namespace
                {{ "https://", 8},  { "http://", 7},
                 { "roots://", 8},  { "root://", 7},
                 {"xroots://", 9},  {"xroot://", 8},
-                {"pelican://", 10}
+                {"pelican://", 10}, {"s3://", 5}
                };
    int pTNum = sizeof(pTab)/sizeof(pEnt);
    int xrBeg = 2;