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NetBSD/regress/lib/libevent/regress_http.c

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/* $NetBSD: regress_http.c,v 1.1 2008/05/16 20:24:57 peter Exp $ */
/*
* Copyright (c) 2003-2006 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/queue.h>
#include <sys/socket.h>
#include <sys/signal.h>
#include <unistd.h>
#include <netdb.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "event.h"
#include "evhttp.h"
#include "log.h"
#include "http-internal.h"
extern int pair[];
extern int test_ok;
static struct evhttp *http;
/* set if a test needs to call loopexit on a base */
static struct event_base *base;
void http_suite(void);
void http_basic_cb(struct evhttp_request *req, void *arg);
void http_post_cb(struct evhttp_request *req, void *arg);
void http_dispatcher_cb(struct evhttp_request *req, void *arg);
static struct evhttp *
http_setup(short *pport, struct event_base *base)
{
int i;
struct evhttp *myhttp;
short port = -1;
/* Try a few different ports */
myhttp = evhttp_new(base);
for (i = 0; i < 50; ++i) {
if (evhttp_bind_socket(myhttp, "127.0.0.1", 8080 + i) != -1) {
port = 8080 + i;
break;
}
}
if (port == -1)
event_errx(1, "Could not start web server");
/* Register a callback for certain types of requests */
evhttp_set_cb(myhttp, "/test", http_basic_cb, NULL);
evhttp_set_cb(myhttp, "/postit", http_post_cb, NULL);
evhttp_set_cb(myhttp, "/", http_dispatcher_cb, NULL);
*pport = port;
return (myhttp);
}
#ifndef NI_MAXSERV
#define NI_MAXSERV 1024
#endif
static int
http_connect(const char *address, u_short port)
{
/* Stupid code for connecting */
struct addrinfo ai, *aitop;
char strport[NI_MAXSERV];
struct sockaddr *sa;
int slen;
int fd;
memset(&ai, 0, sizeof (ai));
ai.ai_family = AF_INET;
ai.ai_socktype = SOCK_STREAM;
snprintf(strport, sizeof (strport), "%d", port);
if (getaddrinfo(address, strport, &ai, &aitop) != 0) {
event_warn("getaddrinfo");
return (-1);
}
sa = aitop->ai_addr;
slen = aitop->ai_addrlen;
fd = socket(AF_INET, SOCK_STREAM, 0);
if (fd == -1)
event_err(1, "socket failed");
if (connect(fd, sa, slen) == -1)
event_err(1, "connect failed");
freeaddrinfo(aitop);
return (fd);
}
static void
http_readcb(struct bufferevent *bev, void *arg)
{
const char *what = "This is funny";
event_debug(("%s: %s\n", __func__, EVBUFFER_DATA(bev->input)));
if (evbuffer_find(bev->input,
(const unsigned char*) what, strlen(what)) != NULL) {
struct evhttp_request *req = evhttp_request_new(NULL, NULL);
int done;
req->kind = EVHTTP_RESPONSE;
done = evhttp_parse_lines(req, bev->input);
if (done == 1 &&
evhttp_find_header(req->input_headers,
"Content-Type") != NULL)
test_ok++;
evhttp_request_free(req);
bufferevent_disable(bev, EV_READ);
if (base)
event_base_loopexit(base, NULL);
else
event_loopexit(NULL);
}
}
static void
http_writecb(struct bufferevent *bev, void *arg)
{
if (EVBUFFER_LENGTH(bev->output) == 0) {
/* enable reading of the reply */
bufferevent_enable(bev, EV_READ);
test_ok++;
}
}
static void
http_errorcb(struct bufferevent *bev, short what, void *arg)
{
test_ok = -2;
event_loopexit(NULL);
}
void
http_basic_cb(struct evhttp_request *req, void *arg)
{
struct evbuffer *evb = evbuffer_new();
int empty = evhttp_find_header(req->input_headers, "Empty") != NULL;
event_debug(("%s: called\n", __func__));
evbuffer_add_printf(evb, "This is funny");
/* allow sending of an empty reply */
evhttp_send_reply(req, HTTP_OK, "Everything is fine",
!empty ? evb : NULL);
evbuffer_free(evb);
}
static void
http_basic_test(void)
{
struct bufferevent *bev;
int fd;
const char *http_request;
short port = -1;
test_ok = 0;
fprintf(stdout, "Testing Basic HTTP Server: ");
http = http_setup(&port, NULL);
/* bind to a second socket */
if (evhttp_bind_socket(http, "127.0.0.1", port + 1) == -1) {
fprintf(stdout, "FAILED (bind)\n");
exit(1);
}
fd = http_connect("127.0.0.1", port);
/* Stupid thing to send a request */
bev = bufferevent_new(fd, http_readcb, http_writecb,
http_errorcb, NULL);
http_request =
"GET /test HTTP/1.1\r\n"
"Host: somehost\r\n"
"Connection: close\r\n"
"\r\n";
bufferevent_write(bev, http_request, strlen(http_request));
event_dispatch();
if (test_ok != 2) {
fprintf(stdout, "FAILED\n");
exit(1);
}
/* connect to the second port */
bufferevent_free(bev);
close(fd);
fd = http_connect("127.0.0.1", port + 1);
/* Stupid thing to send a request */
bev = bufferevent_new(fd, http_readcb, http_writecb,
http_errorcb, NULL);
http_request =
"GET /test HTTP/1.1\r\n"
"Host: somehost\r\n"
"Connection: close\r\n"
"\r\n";
bufferevent_write(bev, http_request, strlen(http_request));
event_dispatch();
bufferevent_free(bev);
close(fd);
evhttp_free(http);
if (test_ok != 4) {
fprintf(stdout, "FAILED\n");
exit(1);
}
fprintf(stdout, "OK\n");
}
void http_request_done(struct evhttp_request *, void *);
void http_request_empty_done(struct evhttp_request *, void *);
static void
http_connection_test(int persistent)
{
short port = -1;
struct evhttp_connection *evcon = NULL;
struct evhttp_request *req = NULL;
test_ok = 0;
fprintf(stdout, "Testing Request Connection Pipeline %s: ",
persistent ? "(persistent)" : "");
http = http_setup(&port, NULL);
evcon = evhttp_connection_new("127.0.0.1", port);
if (evcon == NULL) {
fprintf(stdout, "FAILED\n");
exit(1);
}
/*
* At this point, we want to schedule a request to the HTTP
* server using our make request method.
*/
req = evhttp_request_new(http_request_done, NULL);
/* Add the information that we care about */
evhttp_add_header(req->output_headers, "Host", "somehost");
/* We give ownership of the request to the connection */
if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
fprintf(stdout, "FAILED\n");
exit(1);
}
event_dispatch();
if (test_ok != 1) {
fprintf(stdout, "FAILED\n");
exit(1);
}
/* try to make another request over the same connection */
test_ok = 0;
req = evhttp_request_new(http_request_done, NULL);
/* Add the information that we care about */
evhttp_add_header(req->output_headers, "Host", "somehost");
/*
* if our connections are not supposed to be persistent; request
* a close from the server.
*/
if (!persistent)
evhttp_add_header(req->output_headers, "Connection", "close");
/* We give ownership of the request to the connection */
if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
fprintf(stdout, "FAILED\n");
exit(1);
}
event_dispatch();
/* make another request: request empty reply */
test_ok = 0;
req = evhttp_request_new(http_request_empty_done, NULL);
/* Add the information that we care about */
evhttp_add_header(req->output_headers, "Empty", "itis");
/* We give ownership of the request to the connection */
if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
fprintf(stdout, "FAILED\n");
exit(1);
}
event_dispatch();
if (test_ok != 1) {
fprintf(stdout, "FAILED\n");
exit(1);
}
evhttp_connection_free(evcon);
evhttp_free(http);
fprintf(stdout, "OK\n");
}
void
http_request_done(struct evhttp_request *req, void *arg)
{
const char *what = "This is funny";
if (req->response_code != HTTP_OK) {
fprintf(stderr, "FAILED\n");
exit(1);
}
if (evhttp_find_header(req->input_headers, "Content-Type") == NULL) {
fprintf(stderr, "FAILED\n");
exit(1);
}
if (EVBUFFER_LENGTH(req->input_buffer) != strlen(what)) {
fprintf(stderr, "FAILED\n");
exit(1);
}
if (memcmp(EVBUFFER_DATA(req->input_buffer), what, strlen(what)) != 0) {
fprintf(stderr, "FAILED\n");
exit(1);
}
test_ok = 1;
event_loopexit(NULL);
}
/* test date header and content length */
void
http_request_empty_done(struct evhttp_request *req, void *arg)
{
if (req->response_code != HTTP_OK) {
fprintf(stderr, "FAILED\n");
exit(1);
}
if (evhttp_find_header(req->input_headers, "Date") == NULL) {
fprintf(stderr, "FAILED\n");
exit(1);
}
if (evhttp_find_header(req->input_headers, "Content-Length") == NULL) {
fprintf(stderr, "FAILED\n");
exit(1);
}
if (strcmp(evhttp_find_header(req->input_headers, "Content-Length"),
"0")) {
fprintf(stderr, "FAILED\n");
exit(1);
}
if (EVBUFFER_LENGTH(req->input_buffer) != 0) {
fprintf(stderr, "FAILED\n");
exit(1);
}
test_ok = 1;
event_loopexit(NULL);
}
/*
* HTTP DISPATCHER test
*/
void
http_dispatcher_cb(struct evhttp_request *req, void *arg)
{
struct evbuffer *evb = evbuffer_new();
event_debug(("%s: called\n", __func__));
evbuffer_add_printf(evb, "DISPATCHER_TEST");
evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb);
evbuffer_free(evb);
}
static void
http_dispatcher_test_done(struct evhttp_request *req, void *arg)
{
const char *what = "DISPATCHER_TEST";
if (req->response_code != HTTP_OK) {
fprintf(stderr, "FAILED\n");
exit(1);
}
if (evhttp_find_header(req->input_headers, "Content-Type") == NULL) {
fprintf(stderr, "FAILED (content type)\n");
exit(1);
}
if (EVBUFFER_LENGTH(req->input_buffer) != strlen(what)) {
fprintf(stderr, "FAILED (length %zu vs %zu)\n",
EVBUFFER_LENGTH(req->input_buffer), strlen(what));
exit(1);
}
if (memcmp(EVBUFFER_DATA(req->input_buffer), what, strlen(what)) != 0) {
fprintf(stderr, "FAILED (data)\n");
exit(1);
}
test_ok = 1;
event_loopexit(NULL);
}
static void
http_dispatcher_test(void)
{
short port = -1;
struct evhttp_connection *evcon = NULL;
struct evhttp_request *req = NULL;
test_ok = 0;
fprintf(stdout, "Testing HTTP Dispatcher: ");
http = http_setup(&port, NULL);
evcon = evhttp_connection_new("127.0.0.1", port);
if (evcon == NULL) {
fprintf(stdout, "FAILED\n");
exit(1);
}
/* also bind to local host */
evhttp_connection_set_local_address(evcon, "127.0.0.1");
/*
* At this point, we want to schedule an HTTP GET request
* server using our make request method.
*/
req = evhttp_request_new(http_dispatcher_test_done, NULL);
if (req == NULL) {
fprintf(stdout, "FAILED\n");
exit(1);
}
/* Add the information that we care about */
evhttp_add_header(req->output_headers, "Host", "somehost");
if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/?arg=val") == -1) {
fprintf(stdout, "FAILED\n");
exit(1);
}
event_dispatch();
evhttp_connection_free(evcon);
evhttp_free(http);
if (test_ok != 1) {
fprintf(stdout, "FAILED: %d\n", test_ok);
exit(1);
}
fprintf(stdout, "OK\n");
}
/*
* HTTP POST test.
*/
void http_postrequest_done(struct evhttp_request *, void *);
#define POST_DATA "Okay. Not really printf"
static void
http_post_test(void)
{
short port = -1;
struct evhttp_connection *evcon = NULL;
struct evhttp_request *req = NULL;
test_ok = 0;
fprintf(stdout, "Testing HTTP POST Request: ");
http = http_setup(&port, NULL);
evcon = evhttp_connection_new("127.0.0.1", port);
if (evcon == NULL) {
fprintf(stdout, "FAILED\n");
exit(1);
}
/*
* At this point, we want to schedule an HTTP POST request
* server using our make request method.
*/
req = evhttp_request_new(http_postrequest_done, NULL);
if (req == NULL) {
fprintf(stdout, "FAILED\n");
exit(1);
}
/* Add the information that we care about */
evhttp_add_header(req->output_headers, "Host", "somehost");
evbuffer_add_printf(req->output_buffer, POST_DATA);
if (evhttp_make_request(evcon, req, EVHTTP_REQ_POST, "/postit") == -1) {
fprintf(stdout, "FAILED\n");
exit(1);
}
event_dispatch();
evhttp_connection_free(evcon);
evhttp_free(http);
if (test_ok != 1) {
fprintf(stdout, "FAILED: %d\n", test_ok);
exit(1);
}
fprintf(stdout, "OK\n");
}
void
http_post_cb(struct evhttp_request *req, void *arg)
{
struct evbuffer *evb;
event_debug(("%s: called\n", __func__));
/* Yes, we are expecting a post request */
if (req->type != EVHTTP_REQ_POST) {
fprintf(stdout, "FAILED (post type)\n");
exit(1);
}
if (EVBUFFER_LENGTH(req->input_buffer) != strlen(POST_DATA)) {
fprintf(stdout, "FAILED (length: %zu vs %zu)\n",
EVBUFFER_LENGTH(req->input_buffer), strlen(POST_DATA));
exit(1);
}
if (memcmp(EVBUFFER_DATA(req->input_buffer), POST_DATA,
strlen(POST_DATA))) {
fprintf(stdout, "FAILED (data)\n");
fprintf(stdout, "Got :%s\n", EVBUFFER_DATA(req->input_buffer));
fprintf(stdout, "Want:%s\n", POST_DATA);
exit(1);
}
evb = evbuffer_new();
evbuffer_add_printf(evb, "This is funny");
evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb);
evbuffer_free(evb);
}
void
http_postrequest_done(struct evhttp_request *req, void *arg)
{
const char *what = "This is funny";
if (req == NULL) {
fprintf(stderr, "FAILED (timeout)\n");
exit(1);
}
if (req->response_code != HTTP_OK) {
fprintf(stderr, "FAILED (response code)\n");
exit(1);
}
if (evhttp_find_header(req->input_headers, "Content-Type") == NULL) {
fprintf(stderr, "FAILED (content type)\n");
exit(1);
}
if (EVBUFFER_LENGTH(req->input_buffer) != strlen(what)) {
fprintf(stderr, "FAILED (length %zu vs %zu)\n",
EVBUFFER_LENGTH(req->input_buffer), strlen(what));
exit(1);
}
if (memcmp(EVBUFFER_DATA(req->input_buffer), what, strlen(what)) != 0) {
fprintf(stderr, "FAILED (data)\n");
exit(1);
}
test_ok = 1;
event_loopexit(NULL);
}
static void
http_failure_readcb(struct bufferevent *bev, void *arg)
{
const char *what = "400 Bad Request";
if (evbuffer_find(bev->input, (const unsigned char*) what, strlen(what)) != NULL) {
test_ok = 2;
bufferevent_disable(bev, EV_READ);
event_loopexit(NULL);
}
}
/*
* Testing that the HTTP server can deal with a malformed request.
*/
static void
http_failure_test(void)
{
struct bufferevent *bev;
int fd;
const char *http_request;
short port = -1;
test_ok = 0;
fprintf(stdout, "Testing Bad HTTP Request: ");
http = http_setup(&port, NULL);
fd = http_connect("127.0.0.1", port);
/* Stupid thing to send a request */
bev = bufferevent_new(fd, http_failure_readcb, http_writecb,
http_errorcb, NULL);
http_request = "illegal request\r\n";
bufferevent_write(bev, http_request, strlen(http_request));
event_dispatch();
bufferevent_free(bev);
close(fd);
evhttp_free(http);
if (test_ok != 2) {
fprintf(stdout, "FAILED\n");
exit(1);
}
fprintf(stdout, "OK\n");
}
static void
close_detect_done(struct evhttp_request *req, void *arg)
{
if (req == NULL || req->response_code != HTTP_OK) {
fprintf(stderr, "FAILED\n");
exit(1);
}
test_ok = 1;
event_loopexit(NULL);
}
static void
close_detect_launch(int fd, short what, void *arg)
{
struct evhttp_connection *evcon = arg;
struct evhttp_request *req;
req = evhttp_request_new(close_detect_done, NULL);
/* Add the information that we care about */
evhttp_add_header(req->output_headers, "Host", "somehost");
/* We give ownership of the request to the connection */
if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
fprintf(stdout, "FAILED\n");
exit(1);
}
}
static void
close_detect_cb(struct evhttp_request *req, void *arg)
{
struct evhttp_connection *evcon = arg;
struct timeval tv;
if (req->response_code != HTTP_OK) {
fprintf(stderr, "FAILED\n");
exit(1);
}
timerclear(&tv);
tv.tv_sec = 3; /* longer than the http time out */
/* launch a new request on the persistent connection in 6 seconds */
event_once(-1, EV_TIMEOUT, close_detect_launch, evcon, &tv);
}
static void
http_close_detection(void)
{
short port = -1;
struct evhttp_connection *evcon = NULL;
struct evhttp_request *req = NULL;
test_ok = 0;
fprintf(stdout, "Testing Connection Close Detection: ");
http = http_setup(&port, NULL);
/* 2 second timeout */
evhttp_set_timeout(http, 2);
evcon = evhttp_connection_new("127.0.0.1", port);
if (evcon == NULL) {
fprintf(stdout, "FAILED\n");
exit(1);
}
/*
* At this point, we want to schedule a request to the HTTP
* server using our make request method.
*/
req = evhttp_request_new(close_detect_cb, evcon);
/* Add the information that we care about */
evhttp_add_header(req->output_headers, "Host", "somehost");
/* We give ownership of the request to the connection */
if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
fprintf(stdout, "FAILED\n");
exit(1);
}
event_dispatch();
if (test_ok != 1) {
fprintf(stdout, "FAILED\n");
exit(1);
}
evhttp_connection_free(evcon);
evhttp_free(http);
fprintf(stdout, "OK\n");
}
static void
http_highport_test(void)
{
int i = -1;
struct evhttp *myhttp = NULL;
fprintf(stdout, "Testing HTTP Server with high port: ");
/* Try a few different ports */
for (i = 0; i < 50; ++i) {
myhttp = evhttp_start("127.0.0.1", 65535 - i);
if (myhttp != NULL) {
fprintf(stdout, "OK\n");
evhttp_free(myhttp);
return;
}
}
fprintf(stdout, "FAILED\n");
exit(1);
}
static void
http_bad_header_test(void)
{
struct evkeyvalq headers;
fprintf(stdout, "Testing HTTP Header filtering: ");
TAILQ_INIT(&headers);
if (evhttp_add_header(&headers, "One", "Two") != 0)
goto fail;
if (evhttp_add_header(&headers, "One\r", "Two") != -1)
goto fail;
if (evhttp_add_header(&headers, "One\n", "Two") != -1)
goto fail;
if (evhttp_add_header(&headers, "One", "Two\r") != -1)
goto fail;
if (evhttp_add_header(&headers, "One", "Two\n") != -1)
goto fail;
evhttp_clear_headers(&headers);
fprintf(stdout, "OK\n");
return;
fail:
fprintf(stdout, "FAILED\n");
exit(1);
}
static void
http_base_test(void)
{
struct bufferevent *bev;
int fd;
const char *http_request;
short port = -1;
test_ok = 0;
fprintf(stdout, "Testing HTTP Server Event Base: ");
base = event_init();
/*
* create another bogus base - which is being used by all subsequen
* tests - yuck!
*/
event_init();
http = http_setup(&port, base);
fd = http_connect("127.0.0.1", port);
/* Stupid thing to send a request */
bev = bufferevent_new(fd, http_readcb, http_writecb,
http_errorcb, NULL);
bufferevent_base_set(base, bev);
http_request =
"GET /test HTTP/1.1\r\n"
"Host: somehost\r\n"
"Connection: close\r\n"
"\r\n";
bufferevent_write(bev, http_request, strlen(http_request));
event_base_dispatch(base);
bufferevent_free(bev);
close(fd);
evhttp_free(http);
event_base_free(base);
base = NULL;
if (test_ok != 2) {
fprintf(stdout, "FAILED\n");
exit(1);
}
fprintf(stdout, "OK\n");
}
void
http_suite(void)
{
http_base_test();
http_bad_header_test();
http_basic_test();
http_connection_test(0 /* not-persistent */);
http_connection_test(1 /* persistent */);
http_close_detection();
http_post_test();
http_failure_test();
http_highport_test();
http_dispatcher_test();
}
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