/* (C) 2013 by sysmocom - s.f.m.c. GmbH, Author: Jacob Erlbeck * All Rights Reserved * * SPDX-License-Identifier: GPL-2.0+ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static enum event last_vty_connection_event = -1; void *ctx = NULL; static void test_cmd_string_from_valstr(void) { char *cmd; const struct value_string printf_seq_vs[] = { { .value = 42, .str = "[foo%s%s%s%s%s]"}, { .value = 43, .str = "[bar%s%s%s%s%s]"}, { .value = 0, .str = NULL} }; printf("Going to test vty_cmd_string_from_valstr()\n"); /* check against character strings that could break printf */ cmd = vty_cmd_string_from_valstr (ctx, printf_seq_vs, "[prefix%s%s%s%s%s]", "[sep%s%s%s%s%s]", "[end%s%s%s%s%s]", 1); printf ("Tested with %%s-strings, resulting cmd = '%s'\n", cmd); talloc_free (cmd); } static int do_vty_command(struct vty *vty, const char *cmd) { vector vline; int ret; printf("Going to execute '%s'\n", cmd); vline = cmd_make_strvec(cmd); ret = cmd_execute_command(vline, vty, NULL, 0); cmd_free_strvec(vline); printf("Returned: %d, Current node: %d '%s'\n", ret, vty->node, cmd_prompt(vty->node)); return ret; } /* Handle the events from telnet_interface.c */ static int vty_event_cb(unsigned int subsys, unsigned int signal, void *handler_data, void *_signal_data) { struct vty_signal_data *signal_data; if (subsys != SS_L_VTY) return 0; if (signal != S_VTY_EVENT) return 0; signal_data = _signal_data; last_vty_connection_event = signal_data->event; fprintf(stderr, "Got VTY event: %d\n", signal_data->event); return 0; } struct vty_test { int sock[2]; }; static struct vty* create_test_vty(struct vty_test *data) { struct vty *vty; /* Fake connection. */ socketpair(AF_UNIX, SOCK_STREAM, 0, data->sock); vty = vty_create(data->sock[0], NULL); OSMO_ASSERT(vty != NULL); OSMO_ASSERT(vty->status != VTY_CLOSE); return vty; } static void destroy_test_vty(struct vty_test *data, struct vty *vty) { vty_close(vty); OSMO_ASSERT(last_vty_connection_event == VTY_CLOSED); } static void test_node_tree_structure(void) { struct vty_test test; struct vty *vty; printf("Going to test VTY node tree structure\n"); vty = create_test_vty(&test); OSMO_ASSERT(do_vty_command(vty, "enable") == CMD_SUCCESS); OSMO_ASSERT(vty->node == ENABLE_NODE); OSMO_ASSERT(do_vty_command(vty, "configure terminal") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CONFIG_NODE); OSMO_ASSERT(do_vty_command(vty, "exit") == CMD_SUCCESS); OSMO_ASSERT(vty->node == ENABLE_NODE); OSMO_ASSERT(do_vty_command(vty, "configure terminal") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CONFIG_NODE); OSMO_ASSERT(do_vty_command(vty, "end") == CMD_SUCCESS); OSMO_ASSERT(vty->node == ENABLE_NODE); OSMO_ASSERT(do_vty_command(vty, "configure terminal") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CONFIG_NODE); OSMO_ASSERT(do_vty_command(vty, "log stderr") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CFG_LOG_NODE); OSMO_ASSERT(do_vty_command(vty, "exit") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CONFIG_NODE); OSMO_ASSERT(do_vty_command(vty, "log stderr") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CFG_LOG_NODE); OSMO_ASSERT(do_vty_command(vty, "end") == CMD_SUCCESS); OSMO_ASSERT(vty->node == ENABLE_NODE); OSMO_ASSERT(do_vty_command(vty, "configure terminal") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CONFIG_NODE); OSMO_ASSERT(do_vty_command(vty, "line vty") == CMD_SUCCESS); OSMO_ASSERT(vty->node == VTY_NODE); OSMO_ASSERT(do_vty_command(vty, "exit") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CONFIG_NODE); OSMO_ASSERT(do_vty_command(vty, "line vty") == CMD_SUCCESS); OSMO_ASSERT(vty->node == VTY_NODE); OSMO_ASSERT(do_vty_command(vty, "end") == CMD_SUCCESS); OSMO_ASSERT(vty->node == ENABLE_NODE); /* Check for not searching the parent node for matching commands. */ OSMO_ASSERT(do_vty_command(vty, "configure terminal") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CONFIG_NODE); OSMO_ASSERT(do_vty_command(vty, "log stderr") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CFG_LOG_NODE); OSMO_ASSERT(do_vty_command(vty, "line vty") == CMD_ERR_NO_MATCH); OSMO_ASSERT(vty->node == CFG_LOG_NODE); OSMO_ASSERT(do_vty_command(vty, "end") == CMD_SUCCESS); OSMO_ASSERT(vty->node == ENABLE_NODE); /* Check for final 'exit' (connection close). */ OSMO_ASSERT(do_vty_command(vty, "exit") == CMD_SUCCESS); OSMO_ASSERT(vty->node == ENABLE_NODE); OSMO_ASSERT(vty->status == VTY_CLOSE); destroy_test_vty(&test, vty); } static void check_srep_vty_config(struct vty* vty, struct osmo_stats_reporter *srep) { OSMO_ASSERT(srep->enabled == 0); OSMO_ASSERT(do_vty_command(vty, "prefix myprefix") == CMD_SUCCESS); OSMO_ASSERT(srep->name_prefix != NULL); OSMO_ASSERT(strcmp(srep->name_prefix, "myprefix") == 0); OSMO_ASSERT(do_vty_command(vty, "no prefix") == CMD_SUCCESS); OSMO_ASSERT(srep->name_prefix == NULL || strlen(srep->name_prefix) == 0); OSMO_ASSERT(srep->max_class == OSMO_STATS_CLASS_GLOBAL); OSMO_ASSERT(do_vty_command(vty, "level peer") == CMD_SUCCESS); OSMO_ASSERT(srep->max_class == OSMO_STATS_CLASS_PEER); OSMO_ASSERT(do_vty_command(vty, "level subscriber") == CMD_SUCCESS); OSMO_ASSERT(srep->max_class == OSMO_STATS_CLASS_SUBSCRIBER); OSMO_ASSERT(do_vty_command(vty, "level global") == CMD_SUCCESS); OSMO_ASSERT(srep->max_class == OSMO_STATS_CLASS_GLOBAL); OSMO_ASSERT(do_vty_command(vty, "level foobar") == CMD_ERR_NO_MATCH); if (srep->have_net_config) { OSMO_ASSERT(do_vty_command(vty, "remote-ip 127.0.0.99") == CMD_SUCCESS); OSMO_ASSERT(srep->dest_addr_str && strcmp(srep->dest_addr_str, "127.0.0.99") == 0); OSMO_ASSERT(do_vty_command(vty, "remote-ip 678.0.0.99") == CMD_WARNING); OSMO_ASSERT(srep->dest_addr_str && strcmp(srep->dest_addr_str, "127.0.0.99") == 0); OSMO_ASSERT(do_vty_command(vty, "remote-port 12321") == CMD_SUCCESS); OSMO_ASSERT(srep->dest_port == 12321); OSMO_ASSERT(srep->bind_addr_str == NULL); OSMO_ASSERT(do_vty_command(vty, "local-ip 127.0.0.98") == CMD_SUCCESS); OSMO_ASSERT(srep->bind_addr_str && strcmp(srep->bind_addr_str, "127.0.0.98") == 0); OSMO_ASSERT(do_vty_command(vty, "no local-ip") == CMD_SUCCESS); OSMO_ASSERT(srep->bind_addr_str == NULL); OSMO_ASSERT(srep->mtu == 0); OSMO_ASSERT(do_vty_command(vty, "mtu 987") == CMD_SUCCESS); OSMO_ASSERT(srep->mtu == 987); OSMO_ASSERT(do_vty_command(vty, "no mtu") == CMD_SUCCESS); OSMO_ASSERT(srep->mtu == 0); }; OSMO_ASSERT(do_vty_command(vty, "enable") == CMD_SUCCESS); OSMO_ASSERT(srep->enabled != 0); OSMO_ASSERT(do_vty_command(vty, "disable") == CMD_SUCCESS); OSMO_ASSERT(srep->enabled == 0); } static void test_stats_vty(void) { struct osmo_stats_reporter *srep; struct vty_test test; struct vty *vty; printf("Going to test VTY configuration of the stats subsystem\n"); vty = create_test_vty(&test); /* Go to config node */ OSMO_ASSERT(do_vty_command(vty, "enable") == CMD_SUCCESS); OSMO_ASSERT(vty->node == ENABLE_NODE); OSMO_ASSERT(do_vty_command(vty, "configure terminal") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CONFIG_NODE); /* Try to create invalid reporter */ OSMO_ASSERT(do_vty_command(vty, "stats reporter foobar") == CMD_ERR_NO_MATCH); /* Set reporting interval */ OSMO_ASSERT(do_vty_command(vty, "stats interval 42") == CMD_SUCCESS); OSMO_ASSERT(osmo_stats_config->interval == 42); /* Create log reporter */ srep = osmo_stats_reporter_find(OSMO_STATS_REPORTER_LOG, NULL); OSMO_ASSERT(srep == NULL); OSMO_ASSERT(do_vty_command(vty, "stats reporter log") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CFG_STATS_NODE); srep = osmo_stats_reporter_find(OSMO_STATS_REPORTER_LOG, NULL); OSMO_ASSERT(srep != NULL); OSMO_ASSERT(srep->type == OSMO_STATS_REPORTER_LOG); check_srep_vty_config(vty, srep); OSMO_ASSERT(do_vty_command(vty, "exit") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CONFIG_NODE); /* Create statsd reporter */ srep = osmo_stats_reporter_find(OSMO_STATS_REPORTER_STATSD, NULL); OSMO_ASSERT(srep == NULL); OSMO_ASSERT(do_vty_command(vty, "stats reporter statsd") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CFG_STATS_NODE); srep = osmo_stats_reporter_find(OSMO_STATS_REPORTER_STATSD, NULL); OSMO_ASSERT(srep != NULL); OSMO_ASSERT(srep->type == OSMO_STATS_REPORTER_STATSD); check_srep_vty_config(vty, srep); OSMO_ASSERT(do_vty_command(vty, "exit") == CMD_SUCCESS); OSMO_ASSERT(vty->node == CONFIG_NODE); /* Destroy log reporter */ OSMO_ASSERT(osmo_stats_reporter_find(OSMO_STATS_REPORTER_LOG, NULL)); OSMO_ASSERT(do_vty_command(vty, "no stats reporter log") == CMD_SUCCESS); OSMO_ASSERT(!osmo_stats_reporter_find(OSMO_STATS_REPORTER_LOG, NULL)); /* Destroy statsd reporter */ OSMO_ASSERT(osmo_stats_reporter_find(OSMO_STATS_REPORTER_STATSD, NULL)); OSMO_ASSERT(do_vty_command(vty, "no stats reporter statsd") == CMD_SUCCESS); OSMO_ASSERT(!osmo_stats_reporter_find(OSMO_STATS_REPORTER_STATSD, NULL)); destroy_test_vty(&test, vty); } void test_exit_by_indent(const char *fname, int expect_rc) { int rc; printf("reading file %s, expecting rc=%d\n", fname, expect_rc); rc = vty_read_config_file(fname, NULL); printf("got rc=%d\n", rc); OSMO_ASSERT(rc == expect_rc); } enum test_nodes { LEVEL1_NODE = _LAST_OSMOVTY_NODE + 1, LEVEL2_NODE, LEVEL3_NODE, }; struct cmd_node level1_node = { LEVEL1_NODE, "%s(config-level1)# ", 1 }; struct cmd_node level2_node = { LEVEL2_NODE, "%s(config-level1-level2)# ", 1 }; struct cmd_node level3_node = { LEVEL3_NODE, "%s(config-level1-level2-level3)# ", 1 }; DEFUN(cfg_level1, cfg_level1_cmd, "level1 [MARKER]", "Level 1 node for VTY testing purposes\n" "optional string to mark the line for test debugging\n") { vty->index = NULL; vty->node = LEVEL1_NODE; printf("called level1 node %s\n", argc? argv[0] : ""); return CMD_SUCCESS; } DEFUN(cfg_level1_child, cfg_level1_child_cmd, "child1 [MARKER]", "Level 1 child cmd for VTY testing purposes\n" "optional string to mark the line for test debugging\n") { printf("called level1 child cmd %s\n", argc? argv[0] : ""); return CMD_SUCCESS; } DEFUN(cfg_level2, cfg_level2_cmd, "level2 [MARKER]", "Level 2 node for VTY testing purposes\n" "optional string to mark the line for test debugging\n") { vty->index = NULL; vty->node = LEVEL2_NODE; printf("called level2 node %s\n", argc? argv[0] : ""); return CMD_SUCCESS; } DEFUN(cfg_level2_child, cfg_level2_child_cmd, "child2 [MARKER]", "Level 2 child cmd for VTY testing purposes\n" "optional string to mark the line for test debugging\n") { printf("called level2 child cmd %s\n", argc? argv[0] : ""); return CMD_SUCCESS; } DEFUN(cfg_level3, cfg_level3_cmd, "level3 [MARKER]", "Level 3 node for VTY testing purposes\n" "optional string to mark the line for test debugging\n") { vty->index = NULL; vty->node = LEVEL3_NODE; printf("called level3 node %s\n", argc? argv[0] : ""); return CMD_SUCCESS; } DEFUN(cfg_level3_child, cfg_level3_child_cmd, "child3 [MARKER]", "Level 3 child cmd for VTY testing purposes\n" "optional string to mark the line for test debugging\n") { printf("called level3 child cmd %s\n", argc? argv[0] : ""); return CMD_SUCCESS; } void test_vty_add_cmds() { install_element(CONFIG_NODE, &cfg_level1_cmd); install_node(&level1_node, NULL); install_element(LEVEL1_NODE, &cfg_level1_child_cmd); install_element(LEVEL1_NODE, &cfg_level2_cmd); install_node(&level2_node, NULL); install_element(LEVEL2_NODE, &cfg_level2_child_cmd); install_element(LEVEL2_NODE, &cfg_level3_cmd); install_node(&level3_node, NULL); install_element(LEVEL3_NODE, &cfg_level3_child_cmd); } static int go_parent_cb(struct vty *vty) { /* * - For the interactive VTY tests above, it is expected to bounce back to * the CONFIG_NODE. Hence do so in go_parent_cb(). * - In the config file parsing tests, setting vty->node in go_parent_cb() has no * effect, because we will subsequently pop a parent node from the parent stack * and override to go to the node that was recorded as the actual parent. */ vty->node = CONFIG_NODE; vty->index = NULL; return 0; } int main(int argc, char **argv) { struct vty_app_info vty_info = { .name = "VtyTest", .version = 0, .go_parent_cb = go_parent_cb, .is_config_node = NULL, }; const struct log_info_cat default_categories[] = {}; const struct log_info log_info = { .cat = default_categories, .num_cat = ARRAY_SIZE(default_categories), }; void *stats_ctx; ctx = talloc_named_const(NULL, 0, "stats test context"); stats_ctx = talloc_named_const(ctx, 1, "stats test context"); osmo_signal_register_handler(SS_L_VTY, vty_event_cb, NULL); /* Fake logging. */ osmo_init_logging2(ctx, &log_info); /* Init stats */ osmo_stats_init(stats_ctx); vty_init(&vty_info); /* Setup VTY commands */ logging_vty_add_cmds(); osmo_stats_vty_add_cmds(); test_vty_add_cmds(); test_cmd_string_from_valstr(); test_node_tree_structure(); test_stats_vty(); test_exit_by_indent("ok.cfg", 0); test_exit_by_indent("ok_more_spaces.cfg", 0); test_exit_by_indent("ok_tabs.cfg", 0); test_exit_by_indent("ok_tabs_and_spaces.cfg", 0); test_exit_by_indent("ok_ignore_comment.cfg", 0); test_exit_by_indent("ok_ignore_blank.cfg", 0); test_exit_by_indent("fail_not_de-indented.cfg", -EINVAL); test_exit_by_indent("fail_too_much_indent.cfg", -EINVAL); test_exit_by_indent("fail_tabs_and_spaces.cfg", -EINVAL); test_exit_by_indent("ok_indented_root.cfg", 0); test_exit_by_indent("ok_empty_parent.cfg", 0); /* Leak check */ OSMO_ASSERT(talloc_total_blocks(stats_ctx) == 1); printf("All tests passed\n"); return 0; }