Edit
kc3-lang/libevent/test/regress_http.c
Nick Mathewson
- test/regress_http.c
-
/* * 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 WIN32 #include <winsock2.h> #include <windows.h> #endif #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> #ifndef WIN32 #include <sys/socket.h> #include <sys/signal.h> #include <unistd.h> #include <netdb.h> #endif #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_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 int http_connect(const char *address, u_short port) { /* Stupid code for connecting */ #ifdef WIN32 struct hostent *he; struct sockaddr_in sin; #else struct addrinfo ai, *aitop; char strport[NI_MAXSERV]; #endif struct sockaddr *sa; int slen; int fd; #ifdef WIN32 if (!(he = gethostbyname(address))) { event_warn("gethostbyname"); } memcpy(&sin.sin_addr, &he->h_addr, sizeof(struct in_addr)); sin.sin_port = htons(port); slen = sizeof(struct sockaddr_in); sa = (struct sockaddr*)&sin; #else 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; #endif 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"); #ifndef WIN32 freeaddrinfo(aitop); #endif return (fd); } 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); } } 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++; } } 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(); event_debug(("%s: called\n", __func__)); evbuffer_add_printf(evb, "This is funny"); evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb); evbuffer_free(evb); } void http_basic_test(void) { struct bufferevent *bev; int fd; char *http_request; short port = -1; test_ok = 0; fprintf(stdout, "Testing Basic HTTP Server: "); http = http_setup(&port, NULL); 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(); bufferevent_free(bev); close(fd); evhttp_free(http); if (test_ok != 2) { fprintf(stdout, "FAILED\n"); exit(1); } fprintf(stdout, "OK\n"); } void http_request_done(struct evhttp_request *, void *); 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(); 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); } /* * 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); } 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); } 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" 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); } 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. */ void http_failure_test(void) { struct bufferevent *bev; int fd; 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); } 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"); } 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); } 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); } void http_base_test(void) { struct bufferevent *bev; int fd; 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(); }