| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | ** EPITECH PROJECT, 2024 | ||
| 3 | ** 42sh | ||
| 4 | ** File description: | ||
| 5 | ** The file containing the command functions | ||
| 6 | */ | ||
| 7 | /** | ||
| 8 | * @file command.c | ||
| 9 | * @brief The file containing the command functions | ||
| 10 | */ | ||
| 11 | |||
| 12 | #include "../include/myshell.h" | ||
| 13 | |||
| 14 | /** | ||
| 15 | * @brief Get the builtin command | ||
| 16 | * @param index The index of the command | ||
| 17 | * @return <b>builtin_t *</b> The builtin command selected | ||
| 18 | */ | ||
| 19 | 34619 | builtin_t *get_builtin_command(int index) | |
| 20 | { | ||
| 21 | static builtin_t commands[] = { | ||
| 22 | {"about", &exec_about}, {"alias", &exec_alias}, | ||
| 23 | {"cd", &exec_cd}, {"echo", &exec_echo}, | ||
| 24 | {"else", &exec_else}, {"end", &exec_end}, {"endif", &exec_endif}, | ||
| 25 | {"env", &exec_env}, {"exit", &exec_exit}, {"foreach", &exec_foreach}, | ||
| 26 | {"help", &exec_help}, {"history", &exec_history}, {"if", &exec_if}, | ||
| 27 | {"repeat", &exec_repeat}, {"set", &exec_set}, {"setenv", &exec_setenv}, | ||
| 28 | {"source", &exec_source}, {"unalias", &exec_unalias}, | ||
| 29 | {"unset", &exec_unset}, {"unsetenv", &exec_unsetenv}, | ||
| 30 | {"where", &exec_where}, {"which", &exec_which}, {NULL, &exec_command} | ||
| 31 | }; | ||
| 32 | |||
| 33 | 34619 | return &commands[index]; | |
| 34 | } | ||
| 35 | |||
| 36 | /** | ||
| 37 | * @brief Get the path of the command | ||
| 38 | * @param command The command | ||
| 39 | * @param env The env | ||
| 40 | * @return <b>char *</b> The path of the command | ||
| 41 | */ | ||
| 42 | 435 | static char *get_command_path(char *command, char **env) | |
| 43 | { | ||
| 44 | 435 | char *path = NULL; | |
| 45 | 435 | char **path_tab = my_str_to_word_array_select( | |
| 46 | 435 | get_env_var(env, "PATH"), ":"); | |
| 47 | |||
| 48 |
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566 | for (int index = 0; path_tab[index] != NULL; index++) { |
| 49 | 496 | path = my_malloc(sizeof(char) * (my_strlen(path_tab[index]) + | |
| 50 | 496 | my_strlen(command) + 4), 1); | |
| 51 | 496 | path[0] = '\0'; | |
| 52 | 496 | my_strcat(path, path_tab[index]); | |
| 53 | 496 | my_strcat(path, "/"); | |
| 54 | 496 | my_strcat(path, command); | |
| 55 |
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496 | if (access(path, X_OK) == 0) { |
| 56 | 365 | FREE_WORD_ARRAY(path_tab); | |
| 57 | 365 | return path; | |
| 58 | } | ||
| 59 | } | ||
| 60 | 70 | FREE_WORD_ARRAY(path_tab); | |
| 61 | 70 | return NULL; | |
| 62 | } | ||
| 63 | |||
| 64 | /** | ||
| 65 | * @brief Display the error message | ||
| 66 | * @param mysh The shell structure | ||
| 67 | * @param command The command | ||
| 68 | * @return <b>int</b> <u>1</u> if the command is invalid, | ||
| 69 | * <u>0</u> otherwise | ||
| 70 | */ | ||
| 71 | 25 | static int display_error(mysh_t *mysh, char *command) | |
| 72 | { | ||
| 73 | struct stat file_info; | ||
| 74 | |||
| 75 |
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25 | if (access(mysh->args[0], F_OK) != 0) { |
| 76 | 11 | my_fprintf(2, "%s: Command not found.\n", mysh->args[0]); | |
| 77 | 11 | return 1; | |
| 78 | } | ||
| 79 |
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14 | if (stat(mysh->args[0], &file_info) == -1) { |
| 80 | ✗ | my_fprintf(2, "%s: %s.\n", mysh->args[0], strerror(errno)); | |
| 81 | ✗ | return 1; | |
| 82 | } | ||
| 83 |
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14 | if (S_ISREG(file_info.st_mode) == 0 || access(mysh->args[0], X_OK) != 0) { |
| 84 | 3 | my_fprintf(2, "%s: Permission denied.\n", mysh->args[0]); | |
| 85 | 3 | return 1; | |
| 86 | } | ||
| 87 | 11 | return 0; | |
| 88 | } | ||
| 89 | |||
| 90 | /** | ||
| 91 | * @brief Check if the command exists | ||
| 92 | * @param mysh The shell structure | ||
| 93 | * @param command The command | ||
| 94 | * @return <b>char *</b> The path of the command if it exists, | ||
| 95 | * <u>NULL</u> otherwise | ||
| 96 | */ | ||
| 97 | 460 | char *check_command_exist(mysh_t *mysh, char *command) | |
| 98 | { | ||
| 99 | 460 | char *path = NULL; | |
| 100 | |||
| 101 |
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460 | if (my_str_contains(mysh->args[0], "/") == 0) |
| 102 | 435 | path = get_command_path(mysh->args[0], mysh->env); | |
| 103 |
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460 | if (path == NULL) { |
| 104 |
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95 | if (my_str_contains(mysh->args[0], "/") == 0) { |
| 105 | 70 | my_fprintf(2, "%s: Command not found.\n", mysh->args[0]); | |
| 106 | 70 | return NULL; | |
| 107 | } | ||
| 108 |
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50 | if (my_str_contains(mysh->args[0], "/") && |
| 109 | 25 | display_error(mysh, mysh->args[0])) | |
| 110 | 14 | return NULL; | |
| 111 | 11 | path = mysh->args[0]; | |
| 112 | } | ||
| 113 | 376 | return path; | |
| 114 | } | ||
| 115 | |||
| 116 | /** | ||
| 117 | * @brief Select the command to execute | ||
| 118 | * @param mysh The shell structure | ||
| 119 | * @return <b>void</b> | ||
| 120 | */ | ||
| 121 | 1092 | void analyse_command(mysh_t *mysh) | |
| 122 | { | ||
| 123 | 1092 | char **tmp = NULL; | |
| 124 | |||
| 125 | 1092 | tmp = replace_alias_in_line( | |
| 126 | replace_history(mysh->args), &mysh->alias_list); | ||
| 127 |
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1092 | if (tmp == NULL || tmp[0] == NULL) |
| 128 | ✗ | return; | |
| 129 | 1092 | mysh->args = my_malloc_strdup_word_array(tmp); | |
| 130 | 1092 | FREE(tmp); | |
| 131 |
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1092 | if (mysh->args == NULL || mysh->args[0] == NULL) |
| 132 | ✗ | return; | |
| 133 |
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17079 | for (int index = 0; get_builtin_command(index)->name != NULL; index++) { |
| 134 |
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16633 | if (my_strcmp(mysh->args[0], get_builtin_command(index)->name) == 0) { |
| 135 | 279 | mysh->exit_status = | |
| 136 | 646 | get_builtin_command(index)->builtin_function(mysh); | |
| 137 | 279 | return; | |
| 138 | } | ||
| 139 | } | ||
| 140 | 446 | mysh->exit_status = exec_command(mysh); | |
| 141 | } | ||
| 142 | |||
| 143 | /** | ||
| 144 | * @brief Execute the command | ||
| 145 | * @param mysh The shell structure | ||
| 146 | * @param input The input command | ||
| 147 | * @return <b>void</b> | ||
| 148 | */ | ||
| 149 | 1109 | void command(mysh_t *mysh, input_command_t *input) | |
| 150 | { | ||
| 151 | 1109 | mysh->args = input->args; | |
| 152 |
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1109 | if (mysh->args == NULL || mysh->args[0] == NULL) { |
| 153 |
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17 | if (input->left_type != 0 || input->right_type != 0) { |
| 154 | 2 | mysh->exit_status = 1; | |
| 155 | 2 | my_putstr_error("Invalid null command.\n"); | |
| 156 | } | ||
| 157 |
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34 | if (my_strstr(input->command, "\"\"") != NULL || |
| 158 | 17 | my_strstr(input->command, "''") != NULL) { | |
| 159 | ✗ | mysh->exit_status = 1; | |
| 160 | ✗ | my_putstr_error(": Command not found.\n"); | |
| 161 | } | ||
| 162 | 17 | return; | |
| 163 | } | ||
| 164 | 1092 | analyse_command(mysh); | |
| 165 | } | ||
| 166 |