[lwip-devel] [bug #54814] httpd dynamic file read

[Vua Hoa]

URL:
  <https://savannah.nongnu.org/bugs/?54814>

                 Summary: httpd dynamic file read
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: vuahoa07
            Submitted on: Wed 10 Oct 2018 04:15:44 AM UTC
                Category: apps
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None
            lwIP version: 2.1.0

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Details:

Settings:
 LWIP_HTTPD_CUSTOM_FILES = 1
 LWIP_HTTPD_DYNAMIC_FILE_READ = 1

The httpd/fs still send data directly from file->data buffer after
fs_open_custom(...) instead of calling fs_read_custom (to feed a chunk of
file).
I have to set file->data = NULL (inside fs_open_custom) to make http call
fs_read_custom:

int fs_open_custom(struct fs_file *file, const char *name)
{
  ... open file...

  /* 
  file->data = (const char *)p_web->buf_ptr; -> will not call 'fs_open_custom'

  */
  file->data = NULL; // Will call 'fs_open_custom'
  file->len = p_web->size;
  file->index = 0;
  file->pextension = p_web->buf_ptr;
  file->flags = FS_FILE_FLAGS_HEADER_INCLUDED;

  return 1;
}




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