static int cleanup_fork_data(const struct testcase_t *tc, void *arg) { struct fork_test_data *d = arg; char msg; int ok, crashed = 0; int exit_status = 0; int r; (void)tc; if (d->forked == 0) { TT_GRIPE(("Fork never happened")); ok = 0; } else if ((r = (int)read(d->pipefds[0], &msg, 1)) != 1) { if (!d->shouldcrash) { if (r < 0) TT_GRIPE(("read_failed on %d: %s", d->pipefds[0], strerror(errno))); else TT_GRIPE(("child died before reporting")); } ok = 0; crashed = 1; } else if (msg == 'y') { ok = 1; } else if (msg == 'n') { TT_GRIPE(("Child reported failure")); ok = 0; } else { TT_GRIPE(("Weird message: %d", (int)msg)); } if (d->shouldcrash) { ok = crashed; } waitpid(d->child, &exit_status, 0); if (!!d->shouldcrash != !!WIFSIGNALED(exit_status)) { TT_GRIPE(("Crash status not as expected.")); ok = 0; } close(d->pipefds[0]); if (d->pipefds[1] >= 0) close(d->pipefds[1]); free(d); return ok; }
static void * setup_fork_data(const struct testcase_t *tc) { struct fork_test_data *d = calloc(1, sizeof(*d)); (void)tc; if (pipe(d->pipefds) < 0) { TT_GRIPE(("pipe failed: %s", strerror(errno))); free(d); return NULL; } return d; }
/* Implements a DNS server for the connect_hostname test and the * getaddrinfo_async test */ static void be_getaddrinfo_server_cb(struct evdns_server_request *req, void *data) { int i; int *n_got_p=data; int added_any=0; ++*n_got_p; for (i=0;i<req->nquestions;++i) { const int qtype = req->questions[i]->type; const int qclass = req->questions[i]->dns_question_class; const char *qname = req->questions[i]->name; struct in_addr ans; struct in6_addr ans6; memset(&ans6, 0, sizeof(ans6)); if (qtype == EVDNS_TYPE_A && qclass == EVDNS_CLASS_INET && !evutil_ascii_strcasecmp(qname, "nobodaddy.example.com")) { ans.s_addr = htonl(0x7f000001); evdns_server_request_add_a_reply(req, qname, 1, &ans.s_addr, 2000); added_any = 1; } else if (!evutil_ascii_strcasecmp(qname, "nosuchplace.example.com")) { /* ok, just say notfound. */ } else if (!evutil_ascii_strcasecmp(qname, "both.example.com")) { if (qtype == EVDNS_TYPE_A) { ans.s_addr = htonl(0x50502020); evdns_server_request_add_a_reply(req, qname, 1, &ans.s_addr, 2000); added_any = 1; } else if (qtype == EVDNS_TYPE_AAAA) { ans6.s6_addr[0] = 0x80; ans6.s6_addr[1] = 0xff; ans6.s6_addr[14] = 0xbb; ans6.s6_addr[15] = 0xbb; evdns_server_request_add_aaaa_reply(req, qname, 1, &ans6.s6_addr, 2000); added_any = 1; } evdns_server_request_add_cname_reply(req, qname, "both-canonical.example.com", 1000); } else if (!evutil_ascii_strcasecmp(qname, "v4only.example.com") || !evutil_ascii_strcasecmp(qname, "v4assert.example.com")) { if (qtype == EVDNS_TYPE_A) { ans.s_addr = htonl(0x12345678); evdns_server_request_add_a_reply(req, qname, 1, &ans.s_addr, 2000); added_any = 1; } else if (!evutil_ascii_strcasecmp(qname, "v4assert.example.com")) { TT_FAIL(("Got an AAAA request for v4assert")); } } else if (!evutil_ascii_strcasecmp(qname, "v6only.example.com") || !evutil_ascii_strcasecmp(qname, "v6assert.example.com")) { if (qtype == EVDNS_TYPE_AAAA) { ans6.s6_addr[0] = 0x0b; ans6.s6_addr[1] = 0x0b; ans6.s6_addr[14] = 0xf0; ans6.s6_addr[15] = 0x0d; evdns_server_request_add_aaaa_reply(req, qname, 1, &ans6.s6_addr, 2000); added_any = 1; } else if (!evutil_ascii_strcasecmp(qname, "v6assert.example.com")) { TT_FAIL(("Got a A request for v6assert")); } } else if (!evutil_ascii_strcasecmp(qname, "v6timeout.example.com")) { if (qtype == EVDNS_TYPE_A) { ans.s_addr = htonl(0xabcdef01); evdns_server_request_add_a_reply(req, qname, 1, &ans.s_addr, 2000); added_any = 1; } else if (qtype == EVDNS_TYPE_AAAA) { /* Let the v6 request time out.*/ evdns_server_request_drop(req); return; } } else if (!evutil_ascii_strcasecmp(qname, "v4timeout.example.com")) { if (qtype == EVDNS_TYPE_AAAA) { ans6.s6_addr[0] = 0x0a; ans6.s6_addr[1] = 0x0a; ans6.s6_addr[14] = 0xff; ans6.s6_addr[15] = 0x01; evdns_server_request_add_aaaa_reply(req, qname, 1, &ans6.s6_addr, 2000); added_any = 1; } else if (qtype == EVDNS_TYPE_A) { /* Let the v4 request time out.*/ evdns_server_request_drop(req); return; } } else if (!evutil_ascii_strcasecmp(qname, "v6timeout-nonexist.example.com")) { if (qtype == EVDNS_TYPE_A) { /* Fall through, give an nexist. */ } else if (qtype == EVDNS_TYPE_AAAA) { /* Let the v6 request time out.*/ evdns_server_request_drop(req); return; } } else if (!evutil_ascii_strcasecmp(qname, "all-timeout.example.com")) { /* drop all requests */ evdns_server_request_drop(req); return; } else { TT_GRIPE(("Got weird request for %s",qname)); } } if (added_any) evdns_server_request_respond(req, 0); else evdns_server_request_respond(req, 3); }