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debugging http server's cgi handling

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hyung-hwan
2020-05-16 19:52:50 +00:00
parent 619a7dd318
commit 1e85b73566
3 changed files with 55 additions and 4 deletions
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32
mio/lib/http-svr.c
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@ -706,8 +706,8 @@ static MIO_INLINE void* mio_svc_htts_rsrc_getxtn (mio_svc_htts_rsrc_t* rsrc) { r
enum cgi_state_res_mode_t
{
CGI_STATE_RES_MODE_CHUNKED,
CGI_STATE_RES_MODE_CLOSE
/* CGI_STATE_RES_MODE_LENGTH */
CGI_STATE_RES_MODE_CLOSE,
CGI_STATE_RES_MODE_LENGTH
};
typedef enum cgi_state_res_mode_t cgi_state_res_mode_t;
@ -834,6 +834,8 @@ static int cgi_peer_on_read (mio_dev_pro_t* pro, mio_dev_pro_sid_t sid, const vo
goto oops;
}
if (cgi_state->peer_eof) return 0; /* will ignore */
if (dlen == 0)
{
MIO_DEBUG3 (mio, "HTTPS(%p) - EOF from peer %p(pid=%u)\n", cgi_state->cli->htts, pro, (unsigned int)pro->child_pid);
@ -847,8 +849,17 @@ static int cgi_peer_on_read (mio_dev_pro_t* pro, mio_dev_pro_sid_t sid, const vo
{
mio_oow_t rem;
printf ( "QQQQQQQQQQQQQQQQQQ>>>>>>>>>>>>>>>>>> feeding to peer htrd.... dlen => %d\n", (int)dlen);
if (mio_htrd_feed(cgi_state->peer_htrd, data, dlen, &rem) <= -1) goto oops;
/* if (rem > 0) also something is not right */
if (mio_htrd_feed(cgi_state->peer_htrd, data, dlen, &rem) <= -1)
{
printf ( "FEEDING FAILURE TO PEER HTDDRD.. dlen => %d\n", (int)dlen);
goto oops;
}
if (rem > 0)
{
/* If the script specifies Content-Length and produces longer data, it will come here */
printf ("AAAAAAAAAAAAAAAAAa EEEEEXcessive DATA..................\n");
cgi_state->peer_eof = 1; /* EOF or use another bit-field? */
}
}
return 0;
@ -892,6 +903,12 @@ static int cgi_peer_htrd_peek (mio_htrd_t* htrd, mio_htre_t* req)
mio_svc_htts_cli_t* cli = cgi_state->cli;
int status_code;
if (req->attr.content_length)
{
// TOOD: remove content_length if content_length is negative or not numeric.
cgi_state->res_mode_to_cli = CGI_STATE_RES_MODE_LENGTH;
}
if (req->attr.status)
{
}
@ -918,6 +935,11 @@ printf ("CGI PEER HTRD PEEK...\n");
case CGI_STATE_RES_MODE_CLOSE:
if (mio_becs_cat(cli->sbuf, "Connection: close\r\n") == (mio_oow_t)-1) return -1;
break;
case CGI_STATE_RES_MODE_LENGTH:
/* TODO: Keep-Alive if explicit in http/1.0 .
* Keep-Alive not needed if http/1.1 or later */
break;
}
if (mio_becs_cat(cli->sbuf, "\r\n") == (mio_oow_t)-1) return -1;
@ -960,6 +982,7 @@ static int cgi_peer_htrd_push_content (mio_htrd_t* htrd, mio_htre_t* req, const
}
case CGI_STATE_RES_MODE_CLOSE:
case CGI_STATE_RES_MODE_LENGTH:
cgi_state->num_pending_writes_to_client++;
if (mio_dev_sck_write(cgi_state->cli->sck, data, dlen, MIO_NULL, MIO_NULL) <= -1)
{
@ -1254,6 +1277,7 @@ int mio_svc_htts_docgi (mio_svc_htts_t* htts, mio_dev_sck_t* csck, mio_htre_t* r
if (mio_dev_sck_read(csck, 0) <= -1) goto oops;
}
/* this may change later if Content-Length is included in the cgi output */
cgi_state->res_mode_to_cli = (req->flags & MIO_HTRE_ATTR_KEEPALIVE)? CGI_STATE_RES_MODE_CHUNKED: CGI_STATE_RES_MODE_CLOSE;
return 0;