fixed -F to support setting type= even on parts that aren't file-uploads

CHANGES

@@ -7,6 +7,10 @@
                                   Changelog
 
 Daniel (10 September 2004)
+- As found out by Jonas Forsman, curl didn't allow -F to set Content-Type on
+  text-parts. Starting now, we can do -F "name=daniel;type=text/extra". Added
+  test case 186 to verify.
+
 - Bug report #1025986. When following a Location: with a custom Host: header
   replacement, curl only replaced the Host: header on the initial request
   and didn't replace it on the following ones. This resulted in requests with

RELEASE-NOTES

@@ -14,6 +14,7 @@ This release includes the following changes:
 
 This release includes the following bugfixes:
 
+ o -F can now add Content-Type on non-file sections
  o double Host: header when following Location: with replaced Host: fixed
  o curl_multi_add_handle() return code fix
  o "Proxy-Connection: close" is now understood and properly dealt with

docs/curl.1

@@ -338,7 +338,7 @@ If this option is used twice, the second will again disable silent failure.
 If this option is used twice, the second will again disable silent failure.
 .IP "-F/--form <name=content>"
 (HTTP) This lets curl emulate a filled in form in which a user has pressed the
-submit button. This causes curl to POST data using the content-type
+submit button. This causes curl to POST data using the Content-Type
 multipart/form-data according to RFC1867. This enables uploading of binary
 files etc. To force the 'content' part to be be a file, prefix the file name
 with an @ sign. To just get the content part from a file, prefix the file name
@@ -355,11 +355,15 @@ input:
 To read the file's content from stdin insted of a file, use - where the file
 name should've been. This goes for both @ and < constructs.
 
-You can also tell curl what Content-Type to use for the file upload part, by
-using 'type=', in a manner similar to:
+You can also tell curl what Content-Type to use by using 'type=', in a manner
+similar to:
 
 \fBcurl\fP -F "web=@index.html;type=text/html" url.com
 
+or
+
+\fBcurl\fP -F "name=daniel;type=text/foo" url.com
+
 See further examples and details in the MANUAL.
 
 This option can be used multiple times.

src/main.c

@@ -920,19 +920,42 @@ static int formparse(char *input,
       }
     }
     else {
+      struct curl_forms info[4];
+      int i = 0;
+      char *ct = strstr(contp, ";type=");
+
+      info[i].option = CURLFORM_COPYNAME;
+      info[i].value = name;
+      i++;
+
+      if(ct) {
+        info[i].option = CURLFORM_CONTENTTYPE;
+        info[i].value = &ct[6];
+        i++;
+        ct[0]=0; /* zero terminate here */
+      }
+
       if( contp[0]=='<' ) {
+        info[i].option = CURLFORM_FILECONTENT;
+        info[i].value = contp+1;
+        i++;
+        info[i].option = CURLFORM_END;
+
         if (curl_formadd(httppost, last_post,
-                         CURLFORM_COPYNAME, name,
-                         CURLFORM_FILECONTENT, contp+1, CURLFORM_END) != 0) {
-          fprintf(stderr, "curl_formadd failed!\n");
+                         CURLFORM_ARRAY, info, CURLFORM_END ) != 0) {
+          fprintf(stderr, "curl_formadd failed, possibly the file %s is bad!\n",
+                  contp+1);
           free(contents);
           return 6;
         }
       }
       else {
+        info[i].option = CURLFORM_COPYCONTENTS;
+        info[i].value = contp;
+        i++;
+        info[i].option = CURLFORM_END;
         if (curl_formadd(httppost, last_post,
-                         CURLFORM_COPYNAME, name,
-                         CURLFORM_COPYCONTENTS, contp, CURLFORM_END) != 0) {
+                         CURLFORM_ARRAY, info, CURLFORM_END) != 0) {
           fprintf(stderr, "curl_formadd failed!\n");
           free(contents);
           return 7;

tests/data/Makefile.am

@@ -26,7 +26,7 @@ EXTRA_DIST = test1 test108 test117 test127 test20 test27 test34 test46	\
  test512 test165 test166 test167 test168 test169 test170 test171	\
  test172 test204 test205 test173 test174 test175 test176 test177	\
  test513 test514 test178 test179 test180 test181 test182 test183	\
- test184 test185
+ test184 test185 test186
 
 # The following tests have been removed from the dist since they no longer
 # work. We need to fix the test suite's FTPS server first, then bring them

tests/data/test186

@@ -0,0 +1,54 @@
+# Server-side
+<reply>
+<data>
+HTTP/1.1 200 OK swsclose
+Date: Thu, 09 Nov 2010 14:49:00 GMT
+Server: test-server/fake
+
+blablabla
+
+</data>
+</reply>
+
+# Client-side
+<client>
+<server>
+http
+</server>
+ <name>
+HTTP RFC1867-type formposting with types on text fields
+ </name>
+ <command>
+http://%HOSTIP:%HTTPPORT/we/want/186 -F "name=daniel;type=moo/foo" -F "html= <body>hello</body>;type=text/html"
+</command>
+# We create this file before the command is invoked!
+</client>
+
+# Verify data after the test has been "shot"
+<verify>
+<strip>
+^(User-Agent:|Content-Type: multipart/form-data;|------------).*
+</strip>
+<protocol>
+POST /we/want/186 HTTP/1.1
+User-Agent: curl/7.12.2-CVS (i686-pc-linux-gnu) libcurl/7.12.2-CVS OpenSSL/0.9.7d zlib/1.2.1.1 c-ares/1.2.0 libidn/0.5.2
+Host: 127.0.0.1:%HTTPPORT
+Pragma: no-cache
+Accept: */*
+Content-Length: 305
+Expect: 100-continue
+Content-Type: multipart/form-data; boundary=----------------------------212d9006ceb5
+
+------------------------------212d9006ceb5
+Content-Disposition: form-data; name="name"
+Content-Type: moo/foo
+
+daniel
+------------------------------212d9006ceb5
+Content-Disposition: form-data; name="html"
+Content-Type: text/html
+
+ <body>hello</body>
+------------------------------212d9006ceb5--
+</protocol>
+</verify>