1 /* 2 * Access a filesystem. 3 * 4 * Copyright (C) 2019, 2022, 2024 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA 20 */ 21 22 #include <stdio.h> 23 #include <unistd.h> 24 25 #include "ops.h" 26 #include "session.h" 27 28 29 30 /* Help message. */ 31 32 char help_text[] = "\ 33 Usage: %s [ <options> ] <operation> <filename>...\n\ 34 \n\ 35 File permission options:\n\ 36 \n\ 37 -m MASK Set mode/permissions mask for new directories\n\ 38 \n\ 39 Transfer operations:\n\ 40 \n\ 41 copy-in Copy files into a directory within the image\n\ 42 \n\ 43 Image operations:\n\ 44 \n\ 45 ls List files and directories within the image\n\ 46 mkdir Make directories within the image\n\ 47 rm Remove non-directory objects from the image\n\ 48 rmdir Remove directories from the image\n\ 49 stat Show statistics for files and directories\n\ 50 \n\ 51 Script operations:\n\ 52 \n\ 53 script Read operations from a script file (or stdin)\n\ 54 Execution operations:\n\ 55 \n\ 56 run Run a program from the filesystem\n\ 57 "; 58 59 /* Operations exposed by the program. */ 60 61 struct operation operations[] = { 62 {"copy-in", copy_in}, 63 {"ls", list_objects}, 64 {"mkdir", make_dirs}, 65 {"rm", remove_non_dirs}, 66 {"rmdir", remove_dirs}, 67 {"run", run_program}, 68 {"script", run_script}, 69 {"stat", stat_objects}, 70 {NULL, NULL}, 71 }; 72 73 /* Main program. */ 74 75 int main(int argc, char *argv[]) 76 { 77 /* Program argument details. */ 78 79 char **args; 80 int num_args; 81 int exitcode; 82 enum op_results op_result; 83 84 /* Parse program options and initialise the argument details. */ 85 86 if (parse_options(argc, argv)) 87 return 1; 88 89 args = &argv[optind]; 90 num_args = argc - optind; 91 92 if (num_args < 2) 93 { 94 fprintf(stderr, help_text, argv[0]); 95 return 1; 96 } 97 98 /* Perform the requested operation. */ 99 100 op_result = run_operation(args[0], num_args - 1, &args[1], &exitcode); 101 return handle_op_result(args[0], op_result); 102 } 103 104 /* vim: tabstop=4 expandtab shiftwidth=4 105 */