patch-sctp-curl-7.48.0.diff

diff -ur curl-7.48.0/include/curl/curl.h curl-7.48.0.mod/include/curl/curl.h
--- curl-7.48.0/include/curl/curl.h	2016-03-22 07:15:38.000000000 +0000
+++ curl-7.48.0.mod/include/curl/curl.h	2016-04-28 11:46:53.028508007 +0100
@@ -1676,6 +1676,9 @@
   /* Do not send any tftp option requests to the server */
   CINIT(TFTP_NO_OPTIONS, LONG, 242),
 
+  /* Set SCTP as transport rather than TCP */
+  CINIT(ENABLE_SCTP, LONG, 243),
+
   CURLOPT_LASTENTRY /* the last unused */
 } CURLoption;
 
diff -ur curl-7.48.0/lib/connect.c curl-7.48.0.mod/lib/connect.c
--- curl-7.48.0/lib/connect.c	2016-03-22 07:15:38.000000000 +0000
+++ curl-7.48.0.mod/lib/connect.c	2016-04-28 12:24:45.304024330 +0100
@@ -1326,6 +1326,8 @@
   addr->family = ai->ai_family;
   addr->socktype = conn->socktype;
   addr->protocol = conn->socktype==SOCK_DGRAM?IPPROTO_UDP:ai->ai_protocol;
+  if(conn->data->set.sctp)
+     addr->protocol = IPPROTO_SCTP;
   addr->addrlen = ai->ai_addrlen;
 
   if(addr->addrlen > sizeof(struct Curl_sockaddr_storage))
diff -ur curl-7.48.0/lib/url.c curl-7.48.0.mod/lib/url.c
--- curl-7.48.0/lib/url.c	2016-03-22 07:15:38.000000000 +0000
+++ curl-7.48.0.mod/lib/url.c	2016-04-28 12:14:13.702312662 +0100
@@ -2696,6 +2696,9 @@
     break;
 #endif
   }
+  case CURLOPT_ENABLE_SCTP:
+    data->set.sctp = TRUE;
+    break;
   default:
     /* unknown tag and its companion, just ignore: */
     result = CURLE_UNKNOWN_OPTION;
diff -ur curl-7.48.0/lib/urldata.h curl-7.48.0.mod/lib/urldata.h
--- curl-7.48.0/lib/urldata.h	2016-03-22 07:15:38.000000000 +0000
+++ curl-7.48.0.mod/lib/urldata.h	2016-04-28 12:13:05.386557914 +0100
@@ -1584,6 +1584,7 @@
   bool ftp_use_epsv;     /* if EPSV is to be attempted or not */
   bool ftp_use_eprt;     /* if EPRT is to be attempted or not */
   bool ftp_use_pret;     /* if PRET is to be used before PASV or not */
+  bool sctp;             /* Enable SCTP rather than TCP */
 
   curl_usessl use_ssl;   /* if AUTH TLS is to be attempted etc, for FTP or
                             IMAP or POP3 or others! */
diff -ur curl-7.48.0/src/tool_cfgable.h curl-7.48.0.mod/src/tool_cfgable.h
--- curl-7.48.0/src/tool_cfgable.h	2016-03-22 07:15:38.000000000 +0000
+++ curl-7.48.0.mod/src/tool_cfgable.h	2016-04-27 18:21:08.616857787 +0100
@@ -215,6 +215,7 @@
   char *unix_socket_path;         /* path to Unix domain socket */
   bool falsestart;
   bool path_as_is;
+  bool sctp;                /* enables SCTP protocol (if avail in kernel) */
   double expect100timeout;
   struct GlobalConfig *global;
   struct OperationConfig *prev;
diff -ur curl-7.48.0/src/tool_getparam.c curl-7.48.0.mod/src/tool_getparam.c
--- curl-7.48.0/src/tool_getparam.c	2016-03-22 07:15:38.000000000 +0000
+++ curl-7.48.0.mod/src/tool_getparam.c	2016-04-27 18:57:11.825902507 +0100
@@ -263,6 +263,7 @@
   {"s",  "silent",                   FALSE},
   {"S",  "show-error",               FALSE},
   {"t",  "telnet-options",           TRUE},
+  {"tp", "sctp",                     FALSE},
          /* 'telnet-options' documented as telnet-option */
   {"T",  "upload-file",              TRUE},
   {"u",  "user",                     TRUE},
@@ -1685,9 +1686,17 @@
       break;
     case 't':
       /* Telnet options */
-      err = add2list(&config->telnet_options, nextarg);
-      if(err)
-        return err;
+      switch(subletter) {
+      case 'p':
+         config->sctp = TRUE;
+         break;
+
+      default:
+         err = add2list(&config->telnet_options, nextarg);
+         if(err)
+            return err;
+         break;
+      }
       break;
     case 'T':
       /* we are uploading */
diff -ur curl-7.48.0/src/tool_operate.c curl-7.48.0.mod/src/tool_operate.c
--- curl-7.48.0/src/tool_operate.c	2016-03-22 07:15:38.000000000 +0000
+++ curl-7.48.0.mod/src/tool_operate.c	2016-04-28 11:50:29.375634554 +0100
@@ -337,6 +337,7 @@
     }
   }
 
+
   /*
   ** Nested loops start here.
   */
@@ -791,6 +792,9 @@
         if(config->tcp_nodelay)
           my_setopt(curl, CURLOPT_TCP_NODELAY, 1L);
 
+        if(config->sctp)
+          my_setopt(curl, CURLOPT_ENABLE_SCTP, 1L);
+
         /* where to store */
         my_setopt(curl, CURLOPT_WRITEDATA, &outs);
         if(metalink || !config->use_metalink)