/* * Copyright (c) 2003-2006 Niels Provos * 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 #include #endif #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #ifdef HAVE_SYS_TIME_H #include #endif #include #ifndef WIN32 #include #include #include #include #endif #include #include #include #include #include #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); static void http_chunked_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 void http_large_delay_cb(struct evhttp_request *req, void *arg); static void http_badreq_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, "/chunked", http_chunked_cb, NULL); evhttp_set_cb(myhttp, "/postit", http_post_cb, NULL); evhttp_set_cb(myhttp, "/largedelay", http_large_delay_cb, NULL); evhttp_set_cb(myhttp, "/badrequest", http_badreq_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 */ #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_list[0], he->h_length); sin.sin_family = AF_INET; 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); } 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); enum message_read_status done; req->kind = EVHTTP_RESPONSE; done = evhttp_parse_firstline(req, bev->input); if (done != ALL_DATA_READ) goto out; done = evhttp_parse_headers(req, bev->input); if (done != ALL_DATA_READ) goto out; if (done == 1 && evhttp_find_header(req->input_headers, "Content-Type") != NULL) test_ok++; out: 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"); /* For multi-line headers test */ { const char *multi = evhttp_find_header(req->input_headers,"X-multi"); if (multi) { if (strcmp("END", multi + strlen(multi) - 3) == 0) test_ok++; if (evhttp_find_header(req->input_headers, "X-Last")) test_ok++; } } /* injecting a bad content-length */ if (evhttp_find_header(req->input_headers, "X-Negative")) evhttp_add_header(req->output_headers, "Content-Length", "-100"); /* allow sending of an empty reply */ evhttp_send_reply(req, HTTP_OK, "Everything is fine", !empty ? evb : NULL); evbuffer_free(evb); } static char const* const CHUNKS[] = { "This is funny", "but not hilarious.", "bwv 1052" }; struct chunk_req_state { struct evhttp_request *req; int i; }; static void http_chunked_trickle_cb(int fd, short events, void *arg) { struct evbuffer *evb = evbuffer_new(); struct chunk_req_state *state = arg; struct timeval when = { 0, 0 }; evbuffer_add_printf(evb, "%s", CHUNKS[state->i]); evhttp_send_reply_chunk(state->req, evb); evbuffer_free(evb); if (++state->i < sizeof(CHUNKS)/sizeof(CHUNKS[0])) { event_once(-1, EV_TIMEOUT, http_chunked_trickle_cb, state, &when); } else { evhttp_send_reply_end(state->req); free(state); } } static void http_chunked_cb(struct evhttp_request *req, void *arg) { struct timeval when = { 0, 0 }; struct chunk_req_state *state = malloc(sizeof(struct chunk_req_state)); event_debug(("%s: called\n", __func__)); memset(state, 0, sizeof(struct chunk_req_state)); state->req = req; /* generate a chunked reply */ evhttp_send_reply_start(req, HTTP_OK, "Everything is fine"); /* but trickle it across several iterations to ensure we're not * assuming it comes all at once */ event_once(-1, EV_TIMEOUT, http_chunked_trickle_cb, state, &when); } static void http_complete_write(int fd, short what, void *arg) { struct bufferevent *bev = arg; const char *http_request = "host\r\n" "Connection: close\r\n" "\r\n"; bufferevent_write(bev, http_request, strlen(http_request)); } static void http_basic_test(void) { struct timeval tv; 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); /* first half of the http request */ http_request = "GET /test HTTP/1.1\r\n" "Host: some"; bufferevent_write(bev, http_request, strlen(http_request)); timerclear(&tv); tv.tv_usec = 10000; event_once(-1, EV_TIMEOUT, http_complete_write, bev, &tv); event_dispatch(); if (test_ok != 3) { fprintf(stdout, "FAILED\n"); exit(1); } /* connect to the second port */ bufferevent_free(bev); EVUTIL_CLOSESOCKET(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); EVUTIL_CLOSESOCKET(fd); evhttp_free(http); if (test_ok != 5) { fprintf(stdout, "FAILED\n"); exit(1); } fprintf(stdout, "OK\n"); } static void http_badreq_cb(struct evhttp_request *req, void *arg) { struct evbuffer *buf = evbuffer_new(); evhttp_add_header(req->output_headers, "Content-Type", "text/xml; charset=UTF-8"); evbuffer_add_printf(buf, "Hello, %s!", "127.0.0.1"); evhttp_send_reply(req, HTTP_OK, "OK", buf); evbuffer_free(buf); } static void http_badreq_errorcb(struct bufferevent *bev, short what, void *arg) { event_debug(("%s: called (what=%04x, arg=%p)", __func__, what, arg)); /* ignore */ } static void http_badreq_readcb(struct bufferevent *bev, void *arg) { const char *what = "Hello, 127.0.0.1"; const char *bad_request = "400 Bad Request"; event_debug(("%s: %s\n", __func__, EVBUFFER_DATA(bev->input))); if (evbuffer_find(bev->input, (const unsigned char *) bad_request, strlen(bad_request)) != NULL) { event_debug(("%s: bad request detected", __func__)); test_ok = -10; bufferevent_disable(bev, EV_READ); event_loopexit(NULL); return; } if (evbuffer_find(bev->input, (const unsigned char*) what, strlen(what)) != NULL) { struct evhttp_request *req = evhttp_request_new(NULL, NULL); enum message_read_status done; req->kind = EVHTTP_RESPONSE; done = evhttp_parse_firstline(req, bev->input); if (done != ALL_DATA_READ) goto out; done = evhttp_parse_headers(req, bev->input); if (done != ALL_DATA_READ) goto out; if (done == 1 && evhttp_find_header(req->input_headers, "Content-Type") != NULL) test_ok++; out: evhttp_request_free(req); evbuffer_drain(bev->input, EVBUFFER_LENGTH(bev->input)); } shutdown(bev->ev_read.ev_fd, SHUT_WR); } static void http_badreq_successcb(int fd, short what, void *arg) { event_debug(("%s: called (what=%04x, arg=%p)", __func__, what, arg)); event_loopexit(NULL); } static void http_bad_request(void) { struct timeval tv; struct bufferevent *bev; int fd; const char *http_request; short port = -1; test_ok = 0; fprintf(stdout, "Testing \"Bad Request\" on connection close: "); 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); } /* NULL request test */ fd = http_connect("127.0.0.1", port); /* Stupid thing to send a request */ bev = bufferevent_new(fd, http_badreq_readcb, http_writecb, http_badreq_errorcb, NULL); bufferevent_enable(bev, EV_READ); /* real NULL request */ http_request = ""; shutdown(fd, SHUT_WR); timerclear(&tv); tv.tv_usec = 10000; event_once(-1, EV_TIMEOUT, http_badreq_successcb, bev, &tv); event_dispatch(); bufferevent_free(bev); EVUTIL_CLOSESOCKET(fd); if (test_ok != 0) { fprintf(stdout, "FAILED\n"); exit(1); } /* Second answer (BAD REQUEST) on connection close */ /* connect to the second port */ fd = http_connect("127.0.0.1", port + 1); /* Stupid thing to send a request */ bev = bufferevent_new(fd, http_badreq_readcb, http_writecb, http_badreq_errorcb, NULL); bufferevent_enable(bev, EV_READ); /* first half of the http request */ http_request = "GET /badrequest HTTP/1.0\r\n" \ "Connection: Keep-Alive\r\n" \ "\r\n"; bufferevent_write(bev, http_request, strlen(http_request)); timerclear(&tv); tv.tv_usec = 10000; event_once(-1, EV_TIMEOUT, http_badreq_successcb, bev, &tv); event_dispatch(); evhttp_free(http); if (test_ok != 2) { fprintf(stdout, "FAILED\n"); exit(1); } fprintf(stdout, "OK\n"); } static struct evhttp_connection *delayed_client; static void http_delay_reply(int fd, short what, void *arg) { struct evhttp_request *req = arg; evhttp_send_reply(req, HTTP_OK, "Everything is fine", NULL); ++test_ok; } static void http_large_delay_cb(struct evhttp_request *req, void *arg) { struct timeval tv; timerclear(&tv); tv.tv_sec = 3; event_once(-1, EV_TIMEOUT, http_delay_reply, req, &tv); /* here we close the client connection which will cause an EOF */ evhttp_connection_fail(delayed_client, EVCON_HTTP_EOF); } 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); EVUTIL_CLOSESOCKET(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) { struct timeval tv; if (req == NULL || req->response_code != HTTP_OK) { fprintf(stderr, "FAILED\n"); exit(1); } test_ok = 1; timerclear(&tv); tv.tv_sec = 3; /* longer than the http time out */ event_loopexit(&tv); } 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 != NULL && 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(int with_delay) { short port = -1; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; test_ok = 0; fprintf(stdout, "Testing Connection Close Detection%s: ", with_delay ? " (with delay)" : ""); 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); } delayed_client = evcon; /* * 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, with_delay ? "/largedelay" : "/test") == -1) { fprintf(stdout, "FAILED\n"); exit(1); } event_dispatch(); if (test_ok != 1) { fprintf(stdout, "FAILED\n"); exit(1); } /* at this point, the http server should have no connection */ if (TAILQ_FIRST(&http->connections) != NULL) { fprintf(stdout, "FAILED (left connections)\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", "Two") != 0) goto fail; if (evhttp_add_header(&headers, "One", "Two\r\n Three") != 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 int validate_header( const struct evkeyvalq* headers, const char *key, const char *value) { const char *real_val = evhttp_find_header(headers, key); if (real_val == NULL) return (-1); if (strcmp(real_val, value) != 0) return (-1); return (0); } static void http_parse_query_test(void) { struct evkeyvalq headers; fprintf(stdout, "Testing HTTP query parsing: "); TAILQ_INIT(&headers); evhttp_parse_query("http://www.test.com/?q=test", &headers); if (validate_header(&headers, "q", "test") != 0) goto fail; evhttp_clear_headers(&headers); evhttp_parse_query("http://www.test.com/?q=test&foo=bar", &headers); if (validate_header(&headers, "q", "test") != 0) goto fail; if (validate_header(&headers, "foo", "bar") != 0) goto fail; evhttp_clear_headers(&headers); evhttp_parse_query("http://www.test.com/?q=test+foo", &headers); if (validate_header(&headers, "q", "test foo") != 0) goto fail; evhttp_clear_headers(&headers); evhttp_parse_query("http://www.test.com/?q=test%0Afoo", &headers); if (validate_header(&headers, "q", "test\nfoo") != 0) goto fail; evhttp_clear_headers(&headers); evhttp_parse_query("http://www.test.com/?q=test%0Dfoo", &headers); if (validate_header(&headers, "q", "test\rfoo") != 0) 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); EVUTIL_CLOSESOCKET(fd); evhttp_free(http); event_base_free(base); base = NULL; if (test_ok != 2) { fprintf(stdout, "FAILED\n"); exit(1); } fprintf(stdout, "OK\n"); } /* * the server is going to reply with chunked data. */ static void http_chunked_readcb(struct bufferevent *bev, void *arg) { /* nothing here */ } static void http_chunked_errorcb(struct bufferevent *bev, short what, void *arg) { if (!test_ok) goto out; test_ok = -1; if ((what & EVBUFFER_EOF) != 0) { struct evhttp_request *req = evhttp_request_new(NULL, NULL); const char *header; enum message_read_status done; req->kind = EVHTTP_RESPONSE; done = evhttp_parse_firstline(req, EVBUFFER_INPUT(bev)); if (done != ALL_DATA_READ) goto out; done = evhttp_parse_headers(req, EVBUFFER_INPUT(bev)); if (done != ALL_DATA_READ) goto out; header = evhttp_find_header(req->input_headers, "Transfer-Encoding"); if (header == NULL || strcmp(header, "chunked")) goto out; header = evhttp_find_header(req->input_headers, "Connection"); if (header == NULL || strcmp(header, "close")) goto out; header = evbuffer_readline(EVBUFFER_INPUT(bev)); if (header == NULL) goto out; /* 13 chars */ if (strcmp(header, "d")) goto out; free((char*)header); if (strncmp((char *)EVBUFFER_DATA(EVBUFFER_INPUT(bev)), "This is funny", 13)) goto out; evbuffer_drain(EVBUFFER_INPUT(bev), 13 + 2); header = evbuffer_readline(EVBUFFER_INPUT(bev)); if (header == NULL) goto out; /* 18 chars */ if (strcmp(header, "12")) goto out; free((char *)header); if (strncmp((char *)EVBUFFER_DATA(EVBUFFER_INPUT(bev)), "but not hilarious.", 18)) goto out; evbuffer_drain(EVBUFFER_INPUT(bev), 18 + 2); header = evbuffer_readline(EVBUFFER_INPUT(bev)); if (header == NULL) goto out; /* 8 chars */ if (strcmp(header, "8")) goto out; free((char *)header); if (strncmp((char *)EVBUFFER_DATA(EVBUFFER_INPUT(bev)), "bwv 1052.", 8)) goto out; evbuffer_drain(EVBUFFER_INPUT(bev), 8 + 2); header = evbuffer_readline(EVBUFFER_INPUT(bev)); if (header == NULL) goto out; /* 0 chars */ if (strcmp(header, "0")) goto out; free((char *)header); test_ok = 2; } out: event_loopexit(NULL); } static void http_chunked_writecb(struct bufferevent *bev, void *arg) { if (EVBUFFER_LENGTH(EVBUFFER_OUTPUT(bev)) == 0) { /* enable reading of the reply */ bufferevent_enable(bev, EV_READ); test_ok++; } } static void http_chunked_request_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, "Transfer-Encoding") == NULL) { fprintf(stderr, "FAILED\n"); exit(1); } if (EVBUFFER_LENGTH(req->input_buffer) != 13 + 18 + 8) { fprintf(stderr, "FAILED\n"); exit(1); } if (strncmp((char *)EVBUFFER_DATA(req->input_buffer), "This is funnybut not hilarious.bwv 1052", 13 + 18 + 8)) { fprintf(stderr, "FAILED\n"); exit(1); } test_ok = 1; event_loopexit(NULL); } static void http_chunked_test(void) { struct bufferevent *bev; int fd; const char *http_request; short port = -1; struct timeval tv_start, tv_end; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; int i; test_ok = 0; fprintf(stdout, "Testing Chunked HTTP Reply: "); http = http_setup(&port, NULL); fd = http_connect("127.0.0.1", port); /* Stupid thing to send a request */ bev = bufferevent_new(fd, http_chunked_readcb, http_chunked_writecb, http_chunked_errorcb, NULL); http_request = "GET /chunked HTTP/1.1\r\n" "Host: somehost\r\n" "Connection: close\r\n" "\r\n"; bufferevent_write(bev, http_request, strlen(http_request)); evutil_gettimeofday(&tv_start, NULL); event_dispatch(); evutil_gettimeofday(&tv_end, NULL); evutil_timersub(&tv_end, &tv_start, &tv_end); if (tv_end.tv_sec >= 1) { fprintf(stdout, "FAILED (time)\n"); exit (1); } if (test_ok != 2) { fprintf(stdout, "FAILED\n"); exit(1); } /* now try again with the regular connection object */ evcon = evhttp_connection_new("127.0.0.1", port); if (evcon == NULL) { fprintf(stdout, "FAILED\n"); exit(1); } /* make two requests to check the keepalive behavior */ for (i = 0; i < 2; i++) { test_ok = 0; req = evhttp_request_new(http_chunked_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, "/chunked") == -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_multi_line_header_test(void) { struct bufferevent *bev; int fd; const char *http_start_request; short port = -1; test_ok = 0; fprintf(stdout, "Testing HTTP Server with multi line: "); 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_start_request = "GET /test HTTP/1.1\r\n" "Host: somehost\r\n" "Connection: close\r\n" "X-Multi: aaaaaaaa\r\n" " a\r\n" "\tEND\r\n" "X-Last: last\r\n" "\r\n"; bufferevent_write(bev, http_start_request, strlen(http_start_request)); event_dispatch(); bufferevent_free(bev); EVUTIL_CLOSESOCKET(fd); evhttp_free(http); if (test_ok != 4) { fprintf(stdout, "FAILED\n"); exit(1); } fprintf(stdout, "OK\n"); } static void http_request_bad(struct evhttp_request *req, void *arg) { if (req != NULL) { fprintf(stderr, "FAILED\n"); exit(1); } test_ok = 1; event_loopexit(NULL); } static void http_negative_content_length_test(void) { short port = -1; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; test_ok = 0; fprintf(stdout, "Testing HTTP Negative Content Length: "); 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_bad, NULL); /* Cause the response to have a negative content-length */ evhttp_add_header(req->output_headers, "X-Negative", "makeitso"); /* 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_free(http); if (test_ok != 1) { fprintf(stdout, "FAILED\n"); exit(1); } fprintf(stdout, "OK\n"); } /* * Testing client reset of server chunked connections */ struct terminate_state { struct evhttp_request *req; struct bufferevent *bev; int fd; } terminate_state; static void terminate_chunked_trickle_cb(int fd, short events, void *arg) { struct terminate_state *state = arg; struct evbuffer *evb = evbuffer_new(); struct timeval tv; if (evhttp_request_get_connection(state->req) == NULL) { test_ok = 1; evhttp_request_free(state->req); event_loopexit(NULL); return; } evbuffer_add_printf(evb, "%p", evb); evhttp_send_reply_chunk(state->req, evb); evbuffer_free(evb); tv.tv_sec = 0; tv.tv_usec = 3000; event_once(-1, EV_TIMEOUT, terminate_chunked_trickle_cb, arg, &tv); } static void terminate_chunked_cb(struct evhttp_request *req, void *arg) { struct terminate_state *state = arg; struct timeval tv; state->req = req; evhttp_send_reply_start(req, HTTP_OK, "OK"); tv.tv_sec = 0; tv.tv_usec = 3000; event_once(-1, EV_TIMEOUT, terminate_chunked_trickle_cb, arg, &tv); } static void terminate_chunked_client(int fd, short event, void *arg) { struct terminate_state *state = arg; bufferevent_free(state->bev); EVUTIL_CLOSESOCKET(state->fd); } static void terminate_readcb(struct bufferevent *bev, void *arg) { /* just drop the data */ evbuffer_drain(bev->output, -1); } static void http_terminate_chunked_test(void) { struct bufferevent *bev = NULL; struct timeval tv; const char *http_request; short port = -1; int fd = -1; test_ok = 0; fprintf(stdout, "Testing Terminated Chunked Connection: "); http = http_setup(&port, NULL); evhttp_del_cb(http, "/test"); evhttp_set_cb(http, "/test", terminate_chunked_cb, &terminate_state); fd = http_connect("127.0.0.1", port); /* Stupid thing to send a request */ bev = bufferevent_new(fd, terminate_readcb, http_writecb, http_errorcb, NULL); terminate_state.fd = fd; terminate_state.bev = bev; /* first half of the http request */ http_request = "GET /test HTTP/1.1\r\n" "Host: some\r\n\r\n"; bufferevent_write(bev, http_request, strlen(http_request)); evutil_timerclear(&tv); tv.tv_usec = 10000; event_once(-1, EV_TIMEOUT, terminate_chunked_client, &terminate_state, &tv); event_dispatch(); if (test_ok != 1) { fprintf(stdout, "FAILED\n"); exit(1); } fprintf(stdout, "OK\n"); if (fd >= 0) EVUTIL_CLOSESOCKET(fd); if (http) evhttp_free(http); } void http_suite(void) { http_base_test(); http_bad_header_test(); http_parse_query_test(); http_basic_test(); http_connection_test(0 /* not-persistent */); http_connection_test(1 /* persistent */); http_close_detection(0 /* without delay */); http_close_detection(1 /* with delay */); http_bad_request(); http_post_test(); http_failure_test(); http_highport_test(); http_dispatcher_test(); http_multi_line_header_test(); http_negative_content_length_test(); http_chunked_test(); http_terminate_chunked_test(); }