From ce0881edee3c78609eae49665fb70264d8786d29 Mon Sep 17 00:00:00 2001
From: Patrick Monnerat <patrick@monnerat.net>
Date: Sat, 2 Sep 2017 17:47:10 +0100
Subject: mime: new MIME API.

Available in HTTP, SMTP and IMAP.
Deprecates the FORM API.
See CURLOPT_MIMEPOST.
Lib code and associated documentation.
---
 lib/transfer.c | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

(limited to 'lib/transfer.c')

diff --git a/lib/transfer.c b/lib/transfer.c
index e7625ef77..4c160ef7e 100644
--- a/lib/transfer.c
+++ b/lib/transfer.c
@@ -73,6 +73,7 @@
 #include "connect.h"
 #include "non-ascii.h"
 #include "http2.h"
+#include "mime.h"
 
 /* The last 3 #include files should be in this order */
 #include "curl_printf.h"
@@ -241,6 +242,7 @@ CURLcode Curl_fillreadbuffer(struct connectdata *conn, int bytes, int *nreadp)
 CURLcode Curl_readrewind(struct connectdata *conn)
 {
   struct Curl_easy *data = conn->data;
+  struct Curl_mimepart *mimepart = &data->set.mimepost;
 
   conn->bits.rewindaftersend = FALSE; /* we rewind now */
 
@@ -253,9 +255,21 @@ CURLcode Curl_readrewind(struct connectdata *conn)
   /* We have sent away data. If not using CURLOPT_POSTFIELDS or
      CURLOPT_HTTPPOST, call app to rewind
   */
-  if(data->set.postfields ||
-     (data->set.httpreq == HTTPREQ_POST_FORM))
+  if(conn->handler->protocol & PROTO_FAMILY_HTTP) {
+    struct HTTP *http = data->req.protop;
+
+    if(http->sendit)
+      mimepart = http->sendit;
+  }
+  if(data->set.postfields)
     ; /* do nothing */
+  else if(data->set.httpreq == HTTPREQ_POST_MIME ||
+          data->set.httpreq == HTTPREQ_POST_FORM) {
+    if(Curl_mime_rewind(mimepart)) {
+      failf(data, "Cannot rewind mime/post data");
+      return CURLE_SEND_FAIL_REWIND;
+    }
+  }
   else {
     if(data->set.seek_func) {
       int err;
@@ -1826,7 +1840,8 @@ CURLcode Curl_follow(struct Curl_easy *data,
      * can be overridden with CURLOPT_POSTREDIR.
      */
     if((data->set.httpreq == HTTPREQ_POST
-        || data->set.httpreq == HTTPREQ_POST_FORM)
+        || data->set.httpreq == HTTPREQ_POST_FORM
+        || data->set.httpreq == HTTPREQ_POST_MIME)
        && !(data->set.keep_post & CURL_REDIR_POST_301)) {
       infof(data, "Switch from POST to GET\n");
       data->set.httpreq = HTTPREQ_GET;
@@ -1850,7 +1865,8 @@ CURLcode Curl_follow(struct Curl_easy *data,
      * can be overridden with CURLOPT_POSTREDIR.
      */
     if((data->set.httpreq == HTTPREQ_POST
-        || data->set.httpreq == HTTPREQ_POST_FORM)
+        || data->set.httpreq == HTTPREQ_POST_FORM
+        || data->set.httpreq == HTTPREQ_POST_MIME)
        && !(data->set.keep_post & CURL_REDIR_POST_302)) {
       infof(data, "Switch from POST to GET\n");
       data->set.httpreq = HTTPREQ_GET;
-- 
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