wget: let user override Content-Length

The wget applet allows several common headers to be overridden by
the user.  Add 'Content-Length' to the list.

Adds 32-64 bytes.

(GitHub issue #432)

1 files changed, 21 insertions, 0 deletions

diff --git a/networking/wget.c b/networking/wget.c
index b01304897..ae847044e 100644
--- a/networking/wget.c
+++ b/networking/wget.c
@@ -214,6 +214,9 @@ enum {
         HDR_CONTENT_TYPE  = (1<<3),
         HDR_AUTH          = (1<<4) * ENABLE_FEATURE_WGET_AUTHENTICATION,
         HDR_PROXY_AUTH    = (1<<5) * ENABLE_FEATURE_WGET_AUTHENTICATION,
+# if ENABLE_PLATFORM_MINGW32
+        HDR_CONTENT_LENGTH = (1<<(4 + 2 * ENABLE_FEATURE_WGET_AUTHENTICATION)),
+# endif
 };
 static const char wget_user_headers[] ALIGN1 =
         "Host:\0"
@@ -224,6 +227,9 @@ static const char wget_user_headers[] ALIGN1 =
         "Authorization:\0"
         "Proxy-Authorization:\0"
 # endif
+# if ENABLE_PLATFORM_MINGW32
+        "Content-Length:\0"
+# endif
         ;
 # define USR_HEADER_HOST         (G.user_headers & HDR_HOST)
 # define USR_HEADER_USER_AGENT   (G.user_headers & HDR_USER_AGENT)
@@ -231,6 +237,7 @@ static const char wget_user_headers[] ALIGN1 =
 # define USR_HEADER_CONTENT_TYPE (G.user_headers & HDR_CONTENT_TYPE)
 # define USR_HEADER_AUTH         (G.user_headers & HDR_AUTH)
 # define USR_HEADER_PROXY_AUTH   (G.user_headers & HDR_PROXY_AUTH)
+# define USR_HEADER_CONTENT_LENGTH (G.user_headers & HDR_CONTENT_LENGTH)
 #else /* No long options, no user-headers :( */
 # define USR_HEADER_HOST         0
 # define USR_HEADER_USER_AGENT   0
@@ -238,6 +245,7 @@ static const char wget_user_headers[] ALIGN1 =
 # define USR_HEADER_CONTENT_TYPE 0
 # define USR_HEADER_AUTH         0
 # define USR_HEADER_PROXY_AUTH   0
+# define USR_HEADER_CONTENT_LENGTH 0
 #endif
 
 /* Globals */
@@ -1303,6 +1311,18 @@ static void download_one_url(const char *url)
                                         "Content-Type: application/x-www-form-urlencoded\r\n"
                                 );
                         }
+# if ENABLE_PLATFORM_MINGW32
+                        if (!USR_HEADER_CONTENT_LENGTH)
+                                SENDFMT(sfp, "Content-Length: %u\r\n",
+                                        (int)strlen(G.post_data)
+                                );
+                        SENDFMT(sfp,
+                                "\r\n"
+                                "%s",
+                                G.post_data
+                        );
+                } else
+# else
                         SENDFMT(sfp,
                                 "Content-Length: %u\r\n"
                                 "\r\n"
@@ -1310,6 +1330,7 @@ static void download_one_url(const char *url)
                                 (int) strlen(G.post_data), G.post_data
                         );
                 } else
+# endif
 #endif
                 {
                         SENDFMT(sfp, "\r\n");