uhttpd: allow lowercase http header fields (#8513)

SVN-Revision: 24823

package/uhttpd/Makefile

@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=uhttpd
-PKG_RELEASE:=19
+PKG_RELEASE:=20
 
 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
 PKG_BUILD_DEPENDS := libcyassl liblua

package/uhttpd/src/uhttpd.c

@@ -339,8 +339,8 @@ static struct http_request * uh_http_header_parse(struct client *cl, char *buffe
 				hdrdata = &buffer[i+2];
 			}
 
-			/* have no name and found [A-Z], start of name */
-			else if( !hdrname && isalpha(buffer[i]) && isupper(buffer[i]) )
+			/* have no name and found [A-Za-z], start of name */
+			else if( !hdrname && isalpha(buffer[i]) )
 			{
 				hdrname = &buffer[i];
 			}