1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * Copyright (c) 2012, The Chromium Authors 4 */ 5 6#define DEBUG 7 8#include <common.h> 9#include <command.h> 10#include <env.h> 11#include <log.h> 12#include <string.h> 13#include <linux/errno.h> 14 15static const char test_cmd[] = "setenv list 1\n setenv list ${list}2; " 16 "setenv list ${list}3\0" 17 "setenv list ${list}4"; 18 19static int do_ut_cmd(struct cmd_tbl *cmdtp, int flag, int argc, 20 char *const argv[]) 21{ 22 char long_str[CONFIG_SYS_CBSIZE + 42]; 23 24 printf("%s: Testing commands\n", __func__); 25 run_command("env default -f -a", 0); 26 27 /* commands separated by \n */ 28 run_command_list("setenv list 1\n setenv list ${list}1", -1, 0); 29 assert(!strcmp("11", env_get("list"))); 30 31 /* command followed by \n and nothing else */ 32 run_command_list("setenv list 1${list}\n", -1, 0); 33 assert(!strcmp("111", env_get("list"))); 34 35 /* a command string with \0 in it. Stuff after \0 should be ignored */ 36 run_command("setenv list", 0); 37 run_command_list(test_cmd, sizeof(test_cmd), 0); 38 assert(!strcmp("123", env_get("list"))); 39 40 /* 41 * a command list where we limit execution to only the first command 42 * using the length parameter. 43 */ 44 run_command_list("setenv list 1\n setenv list ${list}2; " 45 "setenv list ${list}3", strlen("setenv list 1"), 0); 46 assert(!strcmp("1", env_get("list"))); 47 48 assert(run_command("false", 0) == 1); 49 assert(run_command("echo", 0) == 0); 50 assert(run_command_list("false", -1, 0) == 1); 51 assert(run_command_list("echo", -1, 0) == 0); 52 53#ifdef CONFIG_HUSH_PARSER 54 run_command("setenv foo 'setenv black 1\nsetenv adder 2'", 0); 55 run_command("run foo", 0); 56 assert(env_get("black") != NULL); 57 assert(!strcmp("1", env_get("black"))); 58 assert(env_get("adder") != NULL); 59 assert(!strcmp("2", env_get("adder"))); 60#endif 61 62 assert(run_command("", 0) == 0); 63 assert(run_command(" ", 0) == 0); 64 65 assert(run_command("'", 0) == 1); 66 67 /* Variadic function test-cases */ 68#pragma GCC diagnostic push 69#pragma GCC diagnostic ignored "-Wformat-zero-length" 70 assert(run_commandf("") == 0); 71#pragma GCC diagnostic pop 72 assert(run_commandf(" ") == 0); 73 assert(run_commandf("'") == 1); 74 75 assert(run_commandf("env %s %s", "delete -f", "list") == 0); 76 /* Expected: "Error: "list" not defined" */ 77 assert(run_commandf("printenv list") == 1); 78 79 memset(long_str, 'x', sizeof(long_str)); 80 assert(run_commandf("Truncation case: %s", long_str) == -ENOSPC); 81 82 if (IS_ENABLED(CONFIG_HUSH_PARSER)) { 83 assert(run_commandf("env %s %s %s %s", "delete -f", "adder", 84 "black", "foo") == 0); 85 assert(run_commandf("setenv foo 'setenv %s 1\nsetenv %s 2'", 86 "black", "adder") == 0); 87 run_command("run foo", 0); 88 assert(env_get("black")); 89 assert(!strcmp("1", env_get("black"))); 90 assert(env_get("adder")); 91 assert(!strcmp("2", env_get("adder"))); 92 } 93 94 /* Clean up before exit */ 95 run_command("env default -f -a", 0); 96 97 printf("%s: Everything went swimmingly\n", __func__); 98 return 0; 99} 100 101U_BOOT_CMD( 102 ut_cmd, 5, 1, do_ut_cmd, 103 "Very basic test of command parsers", 104 "" 105); 106