Re: [RFC 15/16] android: Implement basic HAL server

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Hi Andrei,

On Fri, Sep 27, 2013 at 10:12 AM, Andrei Emeltchenko
<Andrei.Emeltchenko.news@xxxxxxxxx> wrote:
> +static gboolean io_session_event(GIOChannel *chan, GIOCondition cond,
> +                                                               gpointer data)
> +{
> +       struct hal_msg_hdr hdr;
> +       struct hal_msg_rsp rsp;
> +       uint8_t *buf;
> +       int sock, len, size;
> +       uint8_t status;
> +
> +       if (cond & G_IO_NVAL)
> +               return FALSE;
> +
> +       sock = g_io_channel_unix_get_fd(chan);
> +
> +       if (cond & (G_IO_HUP | G_IO_ERR)) {
> +               error("%s: error condition %d", __func__, cond);
> +               /* TODO: handle */
> +               return FALSE;
> +       }
> +
> +       len = recv(sock, &hdr, sizeof(hdr), MSG_PEEK);
> +       if (len != sizeof(hdr)) {
> +               /* TODO: handle */
> +               return FALSE;
> +       }
> +
> +       size = sizeof(hdr) + hdr.len;
> +       buf = malloc(size);
> +       if (!buf)
> +               return TRUE;
> +
> +       len = recv(sock, buf, size, 0);
> +       if (len != size) {
> +               /* TODO: handle */
> +               free(buf);
> +               return FALSE;
> +       }
> +
> +       status = process_hal_msg(buf, len);
> +
> +       free(buf);
> +
> +       memcpy(&rsp, &hdr, sizeof(hdr));
> +       rsp.hdr.len = sizeof(uint8_t);
> +       rsp.status = status;

You are not using "rsp" on this function (and not TODO comment explaining why).

> +       /* Since daemon would be run also on host we have to grant perms */
> +       chmod(sock_path, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH |
> +                                                               S_IWOTH);

If it is really necessary to have a world writable socket, better
explain in detail on the comment.

Best Regards,
-- 
Anderson Lizardo
Instituto Nokia de Tecnologia - INdT
Manaus - Brazil
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