diff options
Diffstat (limited to 'libevent/test/regress_testutils.c')
| -rw-r--r-- | libevent/test/regress_testutils.c | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/libevent/test/regress_testutils.c b/libevent/test/regress_testutils.c new file mode 100644 index 0000000..b0ce7db --- /dev/null +++ b/libevent/test/regress_testutils.c @@ -0,0 +1,233 @@ +/* + * Copyright (c) 2010-2012 Niels Provos and Nick Mathewson + * + * 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. + */ +#include "../util-internal.h" + +#ifdef _WIN32 +#include <winsock2.h> +#include <windows.h> +#include <ws2tcpip.h> +#endif + +#include "event2/event-config.h" + +#include <sys/types.h> +#include <sys/stat.h> +#ifdef EVENT__HAVE_SYS_TIME_H +#include <sys/time.h> +#endif +#include <sys/queue.h> +#ifndef _WIN32 +#include <sys/socket.h> +#include <signal.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <unistd.h> +#endif +#ifdef EVENT__HAVE_NETINET_IN6_H +#include <netinet/in6.h> +#endif +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif +#include <fcntl.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <errno.h> + +#include "event2/dns.h" +#include "event2/dns_struct.h" +#include "event2/event.h" +#include "event2/event_compat.h" +#include "event2/util.h" +#include "event2/listener.h" +#include "event2/bufferevent.h" +#include "log-internal.h" +#include "regress.h" +#include "regress_testutils.h" + +/* globals */ +static struct evdns_server_port *dns_port; +evutil_socket_t dns_sock = -1; + +/* Helper: return the port that a socket is bound on, in host order. */ +int +regress_get_socket_port(evutil_socket_t fd) +{ + struct sockaddr_storage ss; + ev_socklen_t socklen = sizeof(ss); + if (getsockname(fd, (struct sockaddr*)&ss, &socklen) != 0) + return -1; + if (ss.ss_family == AF_INET) + return ntohs( ((struct sockaddr_in*)&ss)->sin_port); + else if (ss.ss_family == AF_INET6) + return ntohs( ((struct sockaddr_in6*)&ss)->sin6_port); + else + return -1; +} + +struct evdns_server_port * +regress_get_dnsserver(struct event_base *base, + ev_uint16_t *portnum, + evutil_socket_t *psock, + evdns_request_callback_fn_type cb, + void *arg) +{ + struct evdns_server_port *port = NULL; + evutil_socket_t sock; + struct sockaddr_in my_addr; + + sock = socket(AF_INET, SOCK_DGRAM, 0); + if (sock < 0) { + tt_abort_perror("socket"); + } + + evutil_make_socket_nonblocking(sock); + + memset(&my_addr, 0, sizeof(my_addr)); + my_addr.sin_family = AF_INET; + my_addr.sin_port = htons(*portnum); + my_addr.sin_addr.s_addr = inet_addr("127.0.0.1"); + if (bind(sock, (struct sockaddr*)&my_addr, sizeof(my_addr)) < 0) { + evutil_closesocket(sock); + tt_abort_perror("bind"); + } + port = evdns_add_server_port_with_base(base, sock, 0, cb, arg); + if (!*portnum) + *portnum = regress_get_socket_port(sock); + if (psock) + *psock = sock; + + return port; +end: + return NULL; +} + +void +regress_clean_dnsserver(void) +{ + if (dns_port) { + evdns_close_server_port(dns_port); + dns_port = NULL; + } + if (dns_sock >= 0) { + evutil_closesocket(dns_sock); + dns_sock = -1; + } +} + +static void strtolower(char *s) +{ + while (*s) { + *s = EVUTIL_TOLOWER_(*s); + ++s; + } +} +void +regress_dns_server_cb(struct evdns_server_request *req, void *data) +{ + struct regress_dns_server_table *tab = data; + char *question; + + if (req->nquestions != 1) + TT_DIE(("Only handling one question at a time; got %d", + req->nquestions)); + + question = req->questions[0]->name; + + while (tab->q && evutil_ascii_strcasecmp(question, tab->q) && + strcmp("*", tab->q)) + ++tab; + if (tab->q == NULL) + TT_DIE(("Unexpected question: '%s'", question)); + + ++tab->seen; + + if (tab->lower) + strtolower(question); + + if (!strcmp(tab->anstype, "err")) { + int err = atoi(tab->ans); + tt_assert(! evdns_server_request_respond(req, err)); + return; + } else if (!strcmp(tab->anstype, "errsoa")) { + int err = atoi(tab->ans); + char soa_record[] = + "\x04" "dns1" "\x05" "icann" "\x03" "org" "\0" + "\x0a" "hostmaster" "\x05" "icann" "\x03" "org" "\0" + "\x77\xde\x5e\xba" /* serial */ + "\x00\x00\x1c\x20" /* refreshtime = 2h */ + "\x00\x00\x0e\x10" /* retry = 1h */ + "\x00\x12\x75\x00" /* expiration = 14d */ + "\x00\x00\x0e\x10" /* min.ttl = 1h */ + ; + evdns_server_request_add_reply( + req, EVDNS_AUTHORITY_SECTION, + "example.com", EVDNS_TYPE_SOA, EVDNS_CLASS_INET, + 42, sizeof(soa_record) - 1, 0, soa_record); + tt_assert(! evdns_server_request_respond(req, err)); + return; + } else if (!strcmp(tab->anstype, "A")) { + struct in_addr in; + if (!evutil_inet_pton(AF_INET, tab->ans, &in)) { + TT_DIE(("Bad A value %s in table", tab->ans)); + } + evdns_server_request_add_a_reply(req, question, 1, &in.s_addr, + 100); + } else if (!strcmp(tab->anstype, "AAAA")) { + struct in6_addr in6; + if (!evutil_inet_pton(AF_INET6, tab->ans, &in6)) { + TT_DIE(("Bad AAAA value %s in table", tab->ans)); + } + evdns_server_request_add_aaaa_reply(req, + question, 1, &in6.s6_addr, 100); + } else { + TT_DIE(("Weird table entry with type '%s'", tab->anstype)); + } + tt_assert(! evdns_server_request_respond(req, 0)) + return; +end: + tt_want(! evdns_server_request_drop(req)); +} + +int +regress_dnsserver(struct event_base *base, ev_uint16_t *port, + struct regress_dns_server_table *search_table) +{ + dns_port = regress_get_dnsserver(base, port, &dns_sock, + regress_dns_server_cb, search_table); + return dns_port != NULL; +} + +int +regress_get_listener_addr(struct evconnlistener *lev, + struct sockaddr *sa, ev_socklen_t *socklen) +{ + evutil_socket_t s = evconnlistener_get_fd(lev); + if (s <= 0) + return -1; + return getsockname(s, sa, socklen); +} |