static void change_host_key(void) {
set_ssh_connect_res(SSH_OK);
set_ssh_is_server_known_res(SSH_SERVER_KNOWN_CHANGED);
wsh_ssh_session_t* session = g_slice_new0(wsh_ssh_session_t);
session->hostname = remote;
session->username = username;
session->password = password;
session->port = port;
GError* err = NULL;
wsh_ssh_host(session, &err);
gint ret = wsh_verify_host_key(session, FALSE, FALSE, &err);
g_assert(ret == WSH_SSH_NEED_ADD_HOST_KEY);
g_assert(session->session == NULL);
g_assert_error(err, WSH_SSH_ERROR, WSH_SSH_HOST_KEY_CHANGED_ERR);
g_error_free(err);
g_slice_free(wsh_ssh_session_t, session);
}
static void fail_add_host_key(void) {
set_ssh_connect_res(SSH_OK);
set_ssh_is_server_known_res(SSH_SERVER_NOT_KNOWN);
set_ssh_write_knownhost_res(SSH_ERROR);
wsh_ssh_session_t* session = g_slice_new0(wsh_ssh_session_t);
session->hostname = remote;
session->username = username;
session->password = password;
session->port = port;
GError *err = NULL;
wsh_ssh_host(session, &err);
gint ret = wsh_verify_host_key(session, TRUE, FALSE, &err);
g_assert(ret == WSH_SSH_HOST_KEY_ERROR);
g_assert(session->session == NULL);
g_assert_error(err, WSH_SSH_ERROR, WSH_SSH_KNOWN_HOSTS_WRITE_ERR);
g_error_free(err);
g_slice_free(wsh_ssh_session_t, session);
}
static void add_host_key(void) {
set_ssh_connect_res(SSH_OK);
set_ssh_is_server_known_res(SSH_SERVER_NOT_KNOWN);
set_ssh_write_knownhost_res(SSH_OK);
wsh_ssh_session_t* session = g_slice_new0(wsh_ssh_session_t);
session->hostname = remote;
session->username = username;
session->password = password;
session->port = port;
GError *err = NULL;
wsh_ssh_host(session, &err);
gint ret = wsh_verify_host_key(session, TRUE, FALSE, &err);
g_assert(ret == 0);
g_assert(session->session != NULL);
g_assert_no_error(err);
g_free(session->session);
g_slice_free(wsh_ssh_session_t, session);
}
void wshc_try_ssh(wshc_host_info_t* host_info,
const wshc_cmd_info_t* cmd_info) {
g_assert(cmd_info != NULL);
g_assert(host_info != NULL);
GError* err = NULL;
wsh_ssh_session_t session = {
.hostname = host_info->hostname,
.username = cmd_info->username,
.password = cmd_info->password,
.port = cmd_info->port,
.session = NULL,
.ssh_opts = cmd_info->ssh_opts,
};
if (session.password == NULL) {
session.auth_type = WSH_SSH_AUTH_PUBKEY;
wshc_verbose_print(cmd_info->out, "Using public key authentication\n");
} else {
session.auth_type = WSH_SSH_AUTH_PASSWORD;
wshc_verbose_print(cmd_info->out, "Using password authentication\n");
}
wshc_verbose_print(cmd_info->out, "Initiating connection to %s\n",
host_info->hostname);
if (wsh_ssh_host(&session, &err)) {
wshc_add_failed_host(cmd_info->out, host_info->hostname, err->message);
wshc_verbose_print(cmd_info->out, "Connection failed on %s: %s\n",
host_info->hostname, err->message);
g_error_free(err);
err = NULL;
return;
}
wshc_verbose_print(cmd_info->out, "Connection to %s successful\n",
host_info->hostname);
wshc_verbose_print(cmd_info->out, "Verifying host key for %s\n",
host_info->hostname);
if (wsh_verify_host_key(&session, FALSE, FALSE, &err)) {
wshc_add_failed_host(cmd_info->out, host_info->hostname, err->message);
wshc_verbose_print(cmd_info->out, "Host key verification for %s failed: %s\n",
host_info->hostname, err->message);
g_error_free(err);
err = NULL;
return;
}
wshc_verbose_print(cmd_info->out, "Host verification for %s successful\n",
host_info->hostname);
wshc_verbose_print(cmd_info->out, "Authenticating to %s\n",
host_info->hostname);
if (wsh_ssh_authenticate(&session, &err)) {
wshc_add_failed_host(cmd_info->out, host_info->hostname, err->message);
wshc_verbose_print(cmd_info->out, "Failed to authenticate to %s: %s\n",
host_info->hostname, err->message);
g_error_free(err);
err = NULL;
return;
}
wshc_verbose_print(cmd_info->out, "Authenticated to %s successfully\n",
host_info->hostname);
if (cmd_info->script) {
wshc_verbose_print(cmd_info->out, "Initializing scp subsystem for %s\n",
host_info->hostname);
if (wsh_ssh_scp_init(&session, "~")) {
wshc_add_failed_host(cmd_info->out, host_info->hostname, "Could not init scp");
wshc_verbose_print(cmd_info->out, "Failed to init scp on %s\n",
host_info->hostname);
return;
}
wshc_verbose_print(cmd_info->out, "Initialized scp subsystem on %s\n",
host_info->hostname);
wshc_verbose_print(cmd_info->out, "Transferring script %s to %s\n",
cmd_info->script, host_info->hostname);
if (wsh_ssh_scp_file(&session, cmd_info->script, TRUE, &err)) {
wshc_add_failed_host(cmd_info->out, host_info->hostname, err->message);
wshc_verbose_print(cmd_info->out, "Failed to transfer script %s to %s\n",
cmd_info->script, host_info->hostname);
g_error_free(err);
err = NULL;
}
wshc_verbose_print(cmd_info->out, "Transferred script %s to %s successfully\n",
cmd_info->script, host_info->hostname);
wsh_ssh_scp_cleanup(&session);
}
wshc_verbose_print(cmd_info->out, "Execing wshd on %s\n", host_info->hostname);
if (wsh_ssh_exec_wshd(&session, &err)) {
wshc_add_failed_host(cmd_info->out, host_info->hostname, err->message);
wshc_verbose_print(cmd_info->out, "Failed to exec wshd on %s: %s\n",
host_info->hostname, err->message);
g_error_free(err);
err = NULL;
return;
}
wshc_verbose_print(cmd_info->out, "Successfully launched wshd %s\n",
host_info->hostname);
wshc_verbose_print(cmd_info->out, "Sending command info to wshd on %s\n",
host_info->hostname);
if (wsh_ssh_send_cmd(&session, cmd_info->req, &err)) {
wshc_verbose_print(cmd_info->out, "Failed to send command to %s: %s\n",
host_info->hostname, err->message);
wshc_add_failed_host(cmd_info->out, host_info->hostname, err->message);
g_error_free(err);
err = NULL;
return;
}
wshc_verbose_print(cmd_info->out,
"Successfully sent command info to wshd on %s\n",
host_info->hostname);
wshc_verbose_print(cmd_info->out,
"Waiting for response from %s\n", host_info->hostname);
if (wsh_ssh_recv_cmd_res(&session, host_info->res, &err)) {
wshc_verbose_print(cmd_info->out,
"Failed to receive a command from %s: %s\n",
host_info->hostname, err->message);
wshc_add_failed_host(cmd_info->out, host_info->hostname, err->message);
g_error_free(err);
err = NULL;
return;
}
wshc_verbose_print(cmd_info->out, "Got response from %s\n",
host_info->hostname);
wsh_log_client_cmd_status(cmd_info->req->cmd_string, cmd_info->req->username,
host_info->hostname, cmd_info->req->cwd, (*host_info->res)->exit_status);
wshc_write_output(cmd_info->out, host_info->hostname, *host_info->res);
wsh_free_unpacked_response(host_info->res);
wsh_ssh_disconnect(&session);
}
static gint scp_file(const wshc_scp_file_args* args) {
GError *err = NULL;
wsh_ssh_session_t session = {
.session = NULL,
.channel = NULL,
.hostname = args->host,
.username = args->user,
.password = args->pass,
.scp = NULL,
.port = args->port,
};
if (session.password == NULL)
session.auth_type = WSH_SSH_AUTH_PUBKEY;
else
session.auth_type = WSH_SSH_AUTH_PASSWORD;
if (wsh_ssh_host(&session, &err)) {
g_printerr("%s\n", err->message);
g_error_free(err);
return EXIT_FAILURE;
}
if (wsh_verify_host_key(&session, FALSE, FALSE, &err)) {
g_printerr("%s\n", err->message);
g_error_free(err);
return EXIT_FAILURE;
}
if (wsh_ssh_authenticate(&session, &err)) {
g_printerr("%s\n", err->message);
g_error_free(err);
return EXIT_FAILURE;
}
if (wsh_ssh_scp_init(&session, args->location)) {
g_printerr("Error initializing scp");
return EXIT_FAILURE;
}
for (gint i = 0; i < args->num_files; i++) {
if (wsh_ssh_scp_file(&session, args->files[i], FALSE, &err)) {
g_printerr("%s\n", err->message);
g_error_free(err);
err = NULL;
}
}
wsh_ssh_scp_cleanup(&session);
wsh_ssh_disconnect(&session);
return EXIT_SUCCESS;
}
gint main(gint argc, gchar** argv) {
GError* err = NULL;
GOptionContext* context;
gint ret = EXIT_SUCCESS;
gchar** hosts = NULL;
gsize num_hosts = 0;
gchar* password = NULL;
wsh_init_logger(WSH_LOGGER_CLIENT);
wsh_ssh_init();
if (wsh_client_init(&err)) {
g_printerr("%s", err->message);
g_error_free(err);
return EXIT_FAILURE;
}
context = g_option_context_new("[FILENAMES...] - scp file to multiple machines at once");
g_option_context_add_main_entries(context, entries, NULL);
if (! g_option_context_parse(context, &argc, &argv, &err)) {
g_printerr("Option parsing failed: %s\n", err->message);
g_error_free(err);
return EXIT_FAILURE;
}
if (argc == 1) {
g_printerr("ERROR: Must provide a host and a file\n\n");
g_printerr("%s", g_option_context_get_help(context, FALSE, NULL));
g_option_context_free(context);
return EXIT_FAILURE;
}
gchar* msg = NULL;
if (! valid_arguments(&msg)) {
g_printerr("%s\n", msg);
g_free(msg);
g_printerr("%s", g_option_context_get_help(context, FALSE, NULL));
g_option_context_free(context);
return EXIT_FAILURE;
}
g_option_context_free(context);
// We're done with option validation
if (username == NULL)
username = g_strdup(g_get_user_name());
if (ask_password) {
if ((ret = wsh_client_lock_password_pages(&passwd_mem))) {
g_printerr("%s\n", strerror(ret));
return ret;
}
password = ((gchar*)passwd_mem) + (WSH_MAX_PASSWORD_LEN * 0);
if ((ret = wsh_client_getpass(password, WSH_MAX_PASSWORD_LEN, "SSH password: "******"%s\n", strerror(ret));
return ret;
}
if (! password) return EXIT_FAILURE;
}
if (!location)
location = g_strdup("~");
if (file_arg) {
if (wsh_exp_filename(&hosts, &num_hosts, file_arg, &err)) {
g_printerr("%s\n", err->message);
g_error_free(err);
return EXIT_FAILURE;
}
}
if (hosts_arg) {
hosts = g_strsplit(hosts_arg, ",", 0);
num_hosts = g_strv_length(hosts);
}
#ifdef WITH_RANGE
if (range) {
if (wsh_exp_range(&hosts, &num_hosts, range, &err)) {
g_printerr("%s\n", err->message);
g_error_free(err);
return EXIT_FAILURE;
}
}
#endif
argv++; argc--;
for (gint i = 1; i < argc; i++) {
// scp will catch this, but I'd like to catch it before
// we start even trying to scp files
if (!g_file_test(argv[i], G_FILE_TEST_EXISTS)) {
g_printerr("ERROR: %s doesn't exist\n", argv[i]);
ret = EXIT_FAILURE;
goto bad;
}
}
if (threads <= 0) {
wshc_scp_file_args args;
args.port = port;
args.user = username;
args.pass = password;
args.files = argv;
args.num_files = argc;
args.location = location;
for (gsize i = 0; i < num_hosts; i++) {
args.host = hosts[i];
scp_file(&args);
}
} else {
GThreadPool* gtp;
if ((gtp = g_thread_pool_new((GFunc)scp_file, NULL, threads, TRUE, &err)) == NULL) {
g_printerr("%s\n", err->message);
g_error_free(err);
return EXIT_FAILURE;
}
wshc_scp_file_args args[num_hosts];
for (gsize i = 0; i < num_hosts; i++) {
args[i].host = hosts[i];
args[i].port = port;
args[i].user = username;
args[i].pass = password;
args[i].files = argv;
args[i].num_files = argc;
args[i].location = location;
g_thread_pool_push(gtp, &args[i], NULL);
}
g_thread_pool_free(gtp, FALSE, TRUE);
}
if (password) {
memset_s(password, WSH_MAX_PASSWORD_LEN, 0, strlen(password));
wsh_client_unlock_password_pages(passwd_mem);
}
bad:
wsh_ssh_cleanup();
wsh_exit_logger();
if (password) g_free(password);
password = NULL;
if (range) g_free(range);
range = NULL;
if (hosts_arg) g_free(hosts_arg);
g_free(username);
username = NULL;
return ret;
}