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Diffstat (limited to 'unpack/options.c')
-rw-r--r-- | unpack/options.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/unpack/options.c b/unpack/options.c deleted file mode 100644 index cdd19e1..0000000 --- a/unpack/options.c +++ /dev/null @@ -1,217 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * options.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "rdsquashfs.h" - -static struct option long_opts[] = { - { "list", required_argument, NULL, 'l' }, - { "cat", required_argument, NULL, 'c' }, - { "xattr", required_argument, NULL, 'x' }, - { "unpack-root", required_argument, NULL, 'p' }, - { "unpack-path", required_argument, NULL, 'u' }, - { "no-dev", no_argument, NULL, 'D' }, - { "no-sock", no_argument, NULL, 'S' }, - { "no-fifo", no_argument, NULL, 'F' }, - { "no-slink", no_argument, NULL, 'L' }, - { "no-empty-dir", no_argument, NULL, 'E' }, - { "no-sparse", no_argument, NULL, 'Z' }, -#ifdef HAVE_SYS_XATTR_H - { "set-xattr", no_argument, NULL, 'X' }, -#endif - { "set-times", no_argument, NULL, 'T' }, - { "describe", no_argument, NULL, 'd' }, - { "chmod", no_argument, NULL, 'C' }, - { "chown", no_argument, NULL, 'O' }, - { "quiet", no_argument, NULL, 'q' }, - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, 'V' }, - { NULL, 0, NULL, 0 }, -}; - -static const char *short_opts = - "l:c:u:p:x:DSFLCOEZTj:dqhV" -#ifdef HAVE_SYS_XATTR_H - "X" -#endif - ; - -static const char *help_string = -"Usage: rdsquashfs [OPTIONS] <squashfs-file>\n" -"\n" -"View or extract the contents of a squashfs image.\n" -"\n" -"Possible options:\n" -"\n" -" --list, -l <path> Produce a directory listing for a given path in\n" -" the squashfs image.\n" -" --cat, -c <path> If the specified path is a regular file in the,\n" -" image, dump its contents to stdout.\n" -" --xattr, -x <path> Enumerate extended attributes associated with\n" -" an inode that the given path resolves to.\n" -" --unpack-path, -u <path> Unpack this sub directory from the image. To\n" -" unpack everything, simply specify /.\n" -" --describe, -d Produce a file listing from the image.\n" -"\n" -" --unpack-root, -p <path> If used with --unpack-path, this is where the\n" -" data unpacked to. If used with --describe, this\n" -" is used as a prefix for the input path of\n" -" regular files.\n" -"\n" -" --no-dev, -D Do not unpack device special files.\n" -" --no-sock, -S Do not unpack socket files.\n" -" --no-fifo, -F Do not unpack named pipes.\n" -" --no-slink, -L Do not unpack symbolic links.\n" -" --no-empty-dir, -E Do not unpack directories that would end up\n" -" empty after applying the above rules.\n" -" --no-sparse, -Z Do not create sparse files, always write zero\n" -" blocks to disk.\n" -#ifdef HAVE_SYS_XATTR_H -" --set-xattr, -X When unpacking files to disk, set the extended\n" -" attributes from the squashfs image.\n" -#endif -" --set-times, -T When unpacking files to disk, set the create\n" -" and modify timestamps from the squashfs image.\n" -" --chmod, -C Change permission flags of unpacked files to\n" -" those store in the squashfs image.\n" -" --chown, -O Change ownership of unpacked files to the\n" -" UID/GID set in the squashfs image.\n" -" --quiet, -q Do not print out progress while unpacking.\n" -"\n" -" --help, -h Print help text and exit.\n" -" --version, -V Print version information and exit.\n" -"\n"; - -static char *get_path(char *old, const char *arg) -{ - char *path; - - free(old); - - path = strdup(arg); - if (path == NULL) { - perror("processing arguments"); - exit(EXIT_FAILURE); - } - - if (canonicalize_name(path)) { - fprintf(stderr, "Invalid path: %s\n", arg); - free(path); - exit(EXIT_FAILURE); - } - - return path; -} - -void process_command_line(options_t *opt, int argc, char **argv) -{ - int i; - - opt->op = OP_NONE; - opt->rdtree_flags = 0; - opt->flags = 0; - opt->cmdpath = NULL; - opt->unpack_root = NULL; - opt->image_name = NULL; - - for (;;) { - i = getopt_long(argc, argv, short_opts, long_opts, NULL); - if (i == -1) - break; - - switch (i) { - case 'D': - opt->rdtree_flags |= SQFS_TREE_NO_DEVICES; - break; - case 'S': - opt->rdtree_flags |= SQFS_TREE_NO_SOCKETS; - break; - case 'F': - opt->rdtree_flags |= SQFS_TREE_NO_FIFO; - break; - case 'L': - opt->rdtree_flags |= SQFS_TREE_NO_SLINKS; - break; - case 'E': - opt->rdtree_flags |= SQFS_TREE_NO_EMPTY; - break; - case 'C': - opt->flags |= UNPACK_CHMOD; - break; - case 'O': - opt->flags |= UNPACK_CHOWN; - break; - case 'Z': - opt->flags |= UNPACK_NO_SPARSE; - break; -#ifdef HAVE_SYS_XATTR_H - case 'X': - opt->flags |= UNPACK_SET_XATTR; - break; -#endif - case 'T': - opt->flags |= UNPACK_SET_TIMES; - break; - case 'c': - opt->op = OP_CAT; - opt->cmdpath = get_path(opt->cmdpath, optarg); - break; - case 'd': - opt->op = OP_DESCRIBE; - free(opt->cmdpath); - opt->cmdpath = NULL; - break; - case 'x': - opt->op = OP_RDATTR; - opt->cmdpath = get_path(opt->cmdpath, optarg); - break; - case 'l': - opt->op = OP_LS; - opt->cmdpath = get_path(opt->cmdpath, optarg); - break; - case 'p': - opt->unpack_root = optarg; - break; - case 'u': - opt->op = OP_UNPACK; - opt->cmdpath = get_path(opt->cmdpath, optarg); - break; - case 'q': - opt->flags |= UNPACK_QUIET; - break; - case 'h': - fputs(help_string, stdout); - free(opt->cmdpath); - exit(EXIT_SUCCESS); - case 'V': - print_version("rdsquashfs"); - free(opt->cmdpath); - exit(EXIT_SUCCESS); - default: - goto fail_arg; - } - } - - if (opt->op == OP_NONE) { - fputs("No operation specified\n", stderr); - goto fail_arg; - } - - if (opt->op == OP_LS || opt->op == OP_CAT || opt->op == OP_RDATTR) { - opt->rdtree_flags |= SQFS_TREE_NO_RECURSE; - } - - if (optind >= argc) { - fputs("Missing image argument\n", stderr); - goto fail_arg; - } - - opt->image_name = argv[optind++]; - return; -fail_arg: - fputs("Try `rdsquashfs --help' for more information.\n", stderr); - free(opt->cmdpath); - exit(EXIT_FAILURE); -} |