Files
CyberPanel/install-cn/openlitespeed-1.4.28/addon/example/waitfullreqbody.c
qtwrk 9227098c76 installer for chinese network
modifed litespeed/mariadb/powerdns/phpmyadmin/rainloop download URL to mirror for improve chinese network download speed.
2018-03-10 23:25:48 +01:00

247 lines
7.6 KiB
C

/*****************************************************************************
* Open LiteSpeed is an open source HTTP server. *
* Copyright (C) 2013 - 2015 LiteSpeed Technologies, Inc. *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see http://www.gnu.org/licenses/. *
*****************************************************************************/
#include <ls.h>
#include <lsdef.h>
#include <lsr/ls_loopbuf.h>
#include <lsr/ls_xpool.h>
#include <stdlib.h>
#include <string.h>
/**
* Define the module name, MUST BE the same as .so file name;
* i.e., if MNAME is testmodule, then the .so must be testmodule.so.
* You can call the below to set to wait req body read and then start
* to handle the req either in the filter or in the begin_process()
* of the handler struct.
*/
#define MNAME waitfullreqbody
lsi_module_t MNAME;
#define VERSION "V1.2"
static char testuri[] = "/waitfullreqbody";
#define CONTENT_HEAD "<html><head><title>waitfullreqbody</title></head><body><p>\r\nHead<p>\r\n"
#define CONTENT_FORMAT "<tr><td>%s</td><td>%s</td></tr><p>\r\n"
#define CONTENT_TAIL "</body></html><p>\r\n"
#define MAX_BLOCK_BUFSIZE 8192
typedef struct mydata_s
{
ls_loopbuf_t inbuf;
} mydata_t;
static int httprelease(void *data)
{
g_api->log(NULL, LSI_LOG_DEBUG, "#### waitfullreqbody %s\n",
"httprelease");
return 0;
}
static int httpinit(lsi_param_t *param)
{
mydata_t *mydata;
ls_xpool_t *pool = g_api->get_session_pool(param->session);
mydata = ls_xpool_alloc(pool, sizeof(mydata_t));
ls_loopbuf_x(&mydata->inbuf, MAX_BLOCK_BUFSIZE, pool);
g_api->log(NULL, LSI_LOG_DEBUG, "#### waitfullreqbody init\n");
g_api->set_module_data(param->session, &MNAME, LSI_DATA_HTTP,
(void *)mydata);
return 0;
}
/**
* httpreqread will try to read as much as possible from the next step
* of the stream and hold the data, then double each char to the buffer.
* If finally it has hold data, set the hasBufferedData to 1 with *((int *)param->_flag_out) = 1;
* DO NOT SET TO 0, because the other module may already set to 1 when pass in this function.
*
*/
static int httpreqread(lsi_param_t *param)
{
mydata_t *mydata = NULL;
ls_xpool_t *pool = g_api->get_session_pool(param->session);
char *pbegin;
char tmpBuf[MAX_BLOCK_BUFSIZE];
int len, sz, i;
char *p = (char *)param->ptr1;
mydata = (mydata_t *)g_api->get_module_data(param->session, &MNAME,
LSI_DATA_HTTP);
if (mydata == NULL)
return LS_FAIL;
while ((len = g_api->stream_read_next(param, tmpBuf,
MAX_BLOCK_BUFSIZE)) > 0)
{
g_api->log(NULL, LSI_LOG_DEBUG,
"#### waitfullreqbody httpreqread, inLn = %d\n", len);
ls_loopbuf_xappend(&mydata->inbuf, tmpBuf, len, pool);
}
while (!ls_loopbuf_empty(&mydata->inbuf)
&& (p - (char *)param->ptr1 < param->len1))
{
ls_loopbuf_xstraight(&mydata->inbuf, pool);
pbegin = ls_loopbuf_begin(&mydata->inbuf);
sz = ls_loopbuf_size(&mydata->inbuf);
//#define TESTCASE_2
#ifndef TESTCASE_2
//test case 1: double each cahr
if (sz > param->len1 / 2)
sz = param->len1 / 2;
for (i = 0; i < sz; ++i)
{
*p++ = *pbegin;
*p++ = *pbegin;
++pbegin;
}
#else
//test case 2: shink to half of the org req body
if (sz > param->_param_len * 2)
sz = param->_param_len * 2;
for (i = 0; i < sz / 2; ++i)
{
*p++ = *pbegin;
pbegin += 2;
}
#endif
ls_loopbuf_popfront(&mydata->inbuf, sz);
}
param->len1 = p - (char *)param->ptr1;
if (!ls_loopbuf_empty(&mydata->inbuf))
*((int *)param->flag_out) = 1;
return param->len1;
}
static int rcvd_req_header_cbf(lsi_param_t *param)
{
const char *uri;
int len;
uri = g_api->get_req_uri(param->session, &len);
if ((len >= sizeof(testuri) - 1)
&& (strncasecmp(uri, testuri, sizeof(testuri) - 1) == 0))
{
g_api->register_req_handler(param->session, &MNAME, sizeof(testuri) - 1);
//g_api->set_req_wait_full_body(param->_session);
}
return LSI_OK;
}
static int init_module(lsi_module_t *module)
{
module->about = VERSION; //set version string
g_api->init_module_data(module, httprelease, LSI_DATA_HTTP);
return 0;
}
static int on_read(const lsi_session_t *session)
{
char buf[MAX_BLOCK_BUFSIZE];
int ret;
int count = 0;
char *txt;
if (!g_api->is_req_body_finished(session))
{
sprintf(buf, CONTENT_FORMAT, "ERROR",
"You must forget to set wait all req body!!!<p>\r\n");
g_api->append_resp_body(session, buf, strlen(buf));
return 1;
}
txt = (char *)"<tr><td>";
g_api->append_resp_body(session, txt, strlen(txt));
txt = (char *)"WHOLE REQ BODY";
g_api->append_resp_body(session, txt, strlen(txt));
txt = "</td><td>";
g_api->append_resp_body(session, txt, strlen(txt));
while ((ret = g_api->read_req_body(session, buf, MAX_BLOCK_BUFSIZE)) > 0)
{
g_api->append_resp_body(session, buf, ret);
count += ret;
}
txt = (char *)"</td></tr><p>\r\n";
g_api->append_resp_body(session, txt, strlen(txt));
sprintf(buf, "<p>total req length read is %d<p>\r\n", count);
g_api->append_resp_body(session, buf, strlen(buf));
g_api->end_resp(session);
return 0;
}
static int begin_process(const lsi_session_t *session)
{
char *txt;
g_api->set_req_wait_full_body(session);
txt = (char *)CONTENT_HEAD;
g_api->append_resp_body(session, txt, strlen(txt));
if (g_api->is_req_body_finished(session))
{
txt = (char *)"Action in begin_process<p>\r\n";
g_api->append_resp_body(session, txt, strlen(txt));
on_read(session);
}
else
g_api->flush(session);
return 0;
}
static int clean_up(const lsi_session_t *session)
{
g_api->free_module_data(session, &MNAME, LSI_DATA_HTTP,
httprelease);
return 0;
}
static lsi_serverhook_t server_hooks[] =
{
{ LSI_HKPT_RCVD_REQ_HEADER, rcvd_req_header_cbf, LSI_HOOK_NORMAL, LSI_FLAG_ENABLED },
{ LSI_HKPT_HTTP_BEGIN, httpinit, LSI_HOOK_NORMAL, LSI_FLAG_ENABLED },
{ LSI_HKPT_RECV_REQ_BODY, httpreqread, LSI_HOOK_EARLY, LSI_FLAG_TRANSFORM | LSI_FLAG_ENABLED },
LSI_HOOK_END //Must put this at the end position
};
static lsi_reqhdlr_t myhandler = { begin_process, on_read, NULL, clean_up };
lsi_module_t MNAME =
{
LSI_MODULE_SIGNATURE, init_module, &myhandler, NULL, "", server_hooks
};