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https://github.com/vanhoefm/fragattacks.git
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tests: eloop socket re-open from timeout/socket handler
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen
Jouni Malinen
parent
48b06c17fa
commit
569f8f9b87
@ -15,6 +15,7 @@
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#include "utils/trace.h"
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#include "utils/base64.h"
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#include "utils/ip_addr.h"
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#include "utils/eloop.h"
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struct printf_test_data {
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@ -592,6 +593,251 @@ static int ip_addr_tests(void)
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}
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struct test_eloop {
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unsigned int magic;
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int close_in_timeout;
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int pipefd1[2];
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int pipefd2[2];
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};
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static void eloop_tests_start(int close_in_timeout);
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static void eloop_test_read_2(int sock, void *eloop_ctx, void *sock_ctx)
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{
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struct test_eloop *t = eloop_ctx;
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ssize_t res;
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char buf[10];
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wpa_printf(MSG_INFO, "%s: sock=%d", __func__, sock);
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if (t->magic != 0x12345678) {
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wpa_printf(MSG_INFO, "%s: unexpected magic 0x%x",
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__func__, t->magic);
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}
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if (t->pipefd2[0] != sock) {
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wpa_printf(MSG_INFO, "%s: unexpected sock %d != %d",
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__func__, sock, t->pipefd2[0]);
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}
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res = read(sock, buf, sizeof(buf));
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wpa_printf(MSG_INFO, "%s: sock=%d --> res=%d",
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__func__, sock, (int) res);
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}
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static void eloop_test_read_2_wrong(int sock, void *eloop_ctx, void *sock_ctx)
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{
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struct test_eloop *t = eloop_ctx;
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wpa_printf(MSG_INFO, "%s: sock=%d", __func__, sock);
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if (t->magic != 0x12345678) {
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wpa_printf(MSG_INFO, "%s: unexpected magic 0x%x",
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__func__, t->magic);
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}
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if (t->pipefd2[0] != sock) {
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wpa_printf(MSG_INFO, "%s: unexpected sock %d != %d",
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__func__, sock, t->pipefd2[0]);
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}
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/*
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* This is expected to block due to the original socket with data having
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* been closed and no new data having been written to the new socket
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* with the same fd. To avoid blocking the process during test, skip the
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* read here.
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*/
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wpa_printf(MSG_ERROR, "%s: FAIL - should not have called this function",
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__func__);
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}
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static void reopen_pipefd2(struct test_eloop *t)
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{
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if (t->pipefd2[0] < 0) {
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wpa_printf(MSG_INFO, "pipefd2 had been closed");
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} else {
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int res;
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wpa_printf(MSG_INFO, "close pipefd2");
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eloop_unregister_read_sock(t->pipefd2[0]);
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close(t->pipefd2[0]);
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t->pipefd2[0] = -1;
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close(t->pipefd2[1]);
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t->pipefd2[1] = -1;
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res = pipe(t->pipefd2);
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if (res < 0) {
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wpa_printf(MSG_INFO, "pipe: %s", strerror(errno));
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t->pipefd2[0] = -1;
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t->pipefd2[1] = -1;
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return;
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}
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wpa_printf(MSG_INFO,
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"re-register pipefd2 with new sockets %d,%d",
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t->pipefd2[0], t->pipefd2[1]);
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eloop_register_read_sock(t->pipefd2[0], eloop_test_read_2_wrong,
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t, NULL);
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}
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}
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static void eloop_test_read_1(int sock, void *eloop_ctx, void *sock_ctx)
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{
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struct test_eloop *t = eloop_ctx;
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ssize_t res;
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char buf[10];
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wpa_printf(MSG_INFO, "%s: sock=%d", __func__, sock);
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if (t->magic != 0x12345678) {
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wpa_printf(MSG_INFO, "%s: unexpected magic 0x%x",
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__func__, t->magic);
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}
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if (t->pipefd1[0] != sock) {
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wpa_printf(MSG_INFO, "%s: unexpected sock %d != %d",
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__func__, sock, t->pipefd1[0]);
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}
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res = read(sock, buf, sizeof(buf));
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wpa_printf(MSG_INFO, "%s: sock=%d --> res=%d",
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__func__, sock, (int) res);
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if (!t->close_in_timeout)
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reopen_pipefd2(t);
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}
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static void eloop_test_cb(void *eloop_data, void *user_ctx)
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{
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struct test_eloop *t = eloop_data;
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wpa_printf(MSG_INFO, "%s", __func__);
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if (t->magic != 0x12345678) {
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wpa_printf(MSG_INFO, "%s: unexpected magic 0x%x",
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__func__, t->magic);
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}
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if (t->close_in_timeout)
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reopen_pipefd2(t);
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}
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static void eloop_test_timeout(void *eloop_data, void *user_ctx)
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{
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struct test_eloop *t = eloop_data;
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int next_run = 0;
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wpa_printf(MSG_INFO, "%s", __func__);
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if (t->magic != 0x12345678) {
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wpa_printf(MSG_INFO, "%s: unexpected magic 0x%x",
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__func__, t->magic);
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}
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if (t->pipefd1[0] >= 0) {
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wpa_printf(MSG_INFO, "pipefd1 had not been closed");
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eloop_unregister_read_sock(t->pipefd1[0]);
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close(t->pipefd1[0]);
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t->pipefd1[0] = -1;
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close(t->pipefd1[1]);
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t->pipefd1[1] = -1;
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}
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if (t->pipefd2[0] >= 0) {
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wpa_printf(MSG_INFO, "pipefd2 had not been closed");
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eloop_unregister_read_sock(t->pipefd2[0]);
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close(t->pipefd2[0]);
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t->pipefd2[0] = -1;
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close(t->pipefd2[1]);
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t->pipefd2[1] = -1;
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}
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next_run = t->close_in_timeout;
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t->magic = 0;
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wpa_printf(MSG_INFO, "%s - free(%p)", __func__, t);
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os_free(t);
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if (next_run)
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eloop_tests_start(0);
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}
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static void eloop_tests_start(int close_in_timeout)
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{
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struct test_eloop *t;
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int res;
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t = os_zalloc(sizeof(*t));
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if (!t)
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return;
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t->magic = 0x12345678;
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t->close_in_timeout = close_in_timeout;
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wpa_printf(MSG_INFO, "starting eloop tests (%p) (close_in_timeout=%d)",
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t, close_in_timeout);
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res = pipe(t->pipefd1);
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if (res < 0) {
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wpa_printf(MSG_INFO, "pipe: %s", strerror(errno));
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os_free(t);
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return;
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}
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res = pipe(t->pipefd2);
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if (res < 0) {
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wpa_printf(MSG_INFO, "pipe: %s", strerror(errno));
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close(t->pipefd1[0]);
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close(t->pipefd1[1]);
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os_free(t);
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return;
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}
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wpa_printf(MSG_INFO, "pipe fds: %d,%d %d,%d",
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t->pipefd1[0], t->pipefd1[1],
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t->pipefd2[0], t->pipefd2[1]);
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eloop_register_read_sock(t->pipefd1[0], eloop_test_read_1, t, NULL);
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eloop_register_read_sock(t->pipefd2[0], eloop_test_read_2, t, NULL);
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eloop_register_timeout(0, 0, eloop_test_cb, t, NULL);
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eloop_register_timeout(0, 200000, eloop_test_timeout, t, NULL);
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if (write(t->pipefd1[1], "HELLO", 5) < 0)
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wpa_printf(MSG_INFO, "write: %s", strerror(errno));
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if (write(t->pipefd2[1], "TEST", 4) < 0)
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wpa_printf(MSG_INFO, "write: %s", strerror(errno));
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os_sleep(0, 50000);
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wpa_printf(MSG_INFO, "waiting for eloop callbacks");
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}
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static void eloop_tests_run(void *eloop_data, void *user_ctx)
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{
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eloop_tests_start(1);
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}
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static int eloop_tests(void)
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{
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wpa_printf(MSG_INFO, "schedule eloop tests to be run");
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/*
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* Cannot return error from these without a significant design change,
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* so for now, run the tests from a scheduled timeout and require
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* separate verification of the results from the debug log.
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*/
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eloop_register_timeout(0, 0, eloop_tests_run, NULL, NULL);
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return 0;
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}
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int utils_module_tests(void)
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{
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int ret = 0;
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@ -607,6 +853,7 @@ int utils_module_tests(void)
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os_tests() < 0 ||
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wpabuf_tests() < 0 ||
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ip_addr_tests() < 0 ||
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eloop_tests() < 0 ||
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int_array_tests() < 0)
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ret = -1;
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@ -4,12 +4,22 @@
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import os
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import time
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import hostapd
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def test_module_wpa_supplicant(dev):
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def test_module_wpa_supplicant(dev, apdev, params):
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"""wpa_supplicant module tests"""
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if "OK" not in dev[0].global_request("MODULE_TESTS"):
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raise Exception("Module tests failed")
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# allow eloop test to complete
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time.sleep(0.75)
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dev[0].relog()
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with open(os.path.join(params['logdir'], 'log0'), 'r') as f:
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res = f.read()
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if "FAIL - should not have called this function" in res:
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raise Exception("eloop test failed")
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def test_module_hostapd(dev):
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"""hostapd module tests"""
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