void do_rm_xattr(int argc, char **argv) { ext2_ino_t ino; struct ext2_xattr_handle *h; int i; errcode_t err; if (argc < 3) { printf("%s: Usage: %s <file> <attrs>...\n", argv[0], argv[0]); return; } if (check_fs_open(argv[0])) return; if (check_fs_read_write(argv[0])) return; if (check_fs_bitmaps(argv[0])) return; ino = string_to_inode(argv[1]); if (!ino) return; err = ext2fs_xattrs_open(current_fs, ino, &h); if (err) return; err = ext2fs_xattrs_read(h); if (err) goto out; for (i = 2; i < argc; i++) { size_t buflen; char *buf; err = ext2fs_xattr_remove(h, argv[i]); if (err) goto out; } err = ext2fs_xattrs_write(h); if (err) goto out; out: ext2fs_xattrs_close(&h); if (err) com_err(argv[0], err, "while removing extended attribute"); }
/* * This is a common helper function used by the command processing * routines */ int common_args_process(int argc, char *argv[], int min_argc, int max_argc, const char *cmd, const char *usage, int flags) { if (argc < min_argc || argc > max_argc) { com_err(argv[0], 0, "Usage: %s %s", cmd, usage); return 1; } if (flags & CHECK_FS_NOTOPEN) { if (check_fs_not_open(argv[0])) return 1; } else { if (check_fs_open(argv[0])) return 1; } if ((flags & CHECK_FS_RW) && check_fs_read_write(argv[0])) return 1; if ((flags & CHECK_FS_BITMAPS) && check_fs_bitmaps(argv[0])) return 1; return 0; }
void do_journal_run(int argc, char *argv[]) { errcode_t err; if (check_fs_open(argv[0])) return; if (check_fs_read_write(argv[0])) return; if (check_fs_bitmaps(argv[0])) return; if (current_journal) { printf("Please close the journal before recovering it.\n"); return; } err = ext2fs_run_ext3_journal(¤t_fs); if (err) com_err("journal_run", err, "while recovering journal"); else { current_fs->super->s_feature_incompat &= ~EXT3_FEATURE_INCOMPAT_RECOVER; ext2fs_mark_super_dirty(current_fs); } }
void do_set_xattr(int argc, char **argv) { ext2_ino_t ino; struct ext2_xattr_handle *h; FILE *fp = NULL; char *buf = NULL; size_t buflen; unsigned int handle_flags = 0; int i; errcode_t err; reset_getopt(); while ((i = getopt(argc, argv, "f:r")) != -1) { switch (i) { case 'f': if (fp) fclose(fp); fp = fopen(optarg, "r"); if (fp == NULL) { perror(optarg); return; } break; case 'r': handle_flags |= XATTR_HANDLE_FLAG_RAW; break; default: goto print_usage; } } if (!(fp && optind == argc - 2) && !(!fp && optind == argc - 3)) { print_usage: printf("Usage:\t%s [-r] <file> <attr> <value>\n", argv[0]); printf("\t%s -f <value_file> [-r] <file> <attr>\n", argv[0]); goto out2; } if (check_fs_open(argv[0])) goto out2; if (check_fs_read_write(argv[0])) goto out2; if (check_fs_bitmaps(argv[0])) goto out2; ino = string_to_inode(argv[optind]); if (!ino) goto out2; err = ext2fs_xattrs_open(current_fs, ino, &h); if (err) goto out2; err = ext2fs_xattrs_flags(h, &handle_flags, NULL); if (err) goto out; err = ext2fs_xattrs_read(h); if (err) goto out; if (fp) { err = ext2fs_get_mem(current_fs->blocksize, &buf); if (err) goto out; buflen = fread(buf, 1, current_fs->blocksize, fp); } else { buf = argv[optind + 2]; buflen = parse_c_string(buf); } err = ext2fs_xattr_set(h, argv[optind + 1], buf, buflen); out: ext2fs_xattrs_close(&h); if (err) com_err(argv[0], err, "while setting extended attribute"); out2: if (fp) { fclose(fp); ext2fs_free_mem(&buf); } }
void do_set_xattr(int argc, char **argv) { ext2_ino_t ino; struct ext2_xattr_handle *h; FILE *fp = NULL; char *buf = NULL; size_t buflen; int i; errcode_t err; reset_getopt(); while ((i = getopt(argc, argv, "f:")) != -1) { switch (i) { case 'f': fp = fopen(optarg, "r"); if (fp == NULL) { perror(optarg); return; } break; default: printf("%s: Usage: %s <file> <attr> [-f infile | " "value]\n", argv[0], argv[0]); return; } } if (optind != argc - 2 && optind != argc - 3) { printf("%s: Usage: %s <file> <attr> [-f infile | value>]\n", argv[0], argv[0]); return; } if (check_fs_open(argv[0])) return; if (check_fs_read_write(argv[0])) return; if (check_fs_bitmaps(argv[0])) return; ino = string_to_inode(argv[optind]); if (!ino) return; err = ext2fs_xattrs_open(current_fs, ino, &h); if (err) return; err = ext2fs_xattrs_read(h); if (err) goto out; if (fp) { err = ext2fs_get_mem(current_fs->blocksize, &buf); if (err) goto out; buflen = fread(buf, 1, current_fs->blocksize, fp); } else { buf = argv[optind + 2]; buflen = strlen(argv[optind + 2]); } err = ext2fs_xattr_set(h, argv[optind + 1], buf, buflen); if (err) goto out; err = ext2fs_xattrs_write(h); if (err) goto out; out: if (fp) { fclose(fp); ext2fs_free_mem(&buf); } ext2fs_xattrs_close(&h); if (err) com_err(argv[0], err, "while setting extended attribute"); }
void do_journal_open(int argc, char *argv[]) { int opt, enable_csum = 0, csum_ver = 3; journal_t *journal; errcode_t err; if (check_fs_open(argv[0])) return; if (check_fs_read_write(argv[0])) return; if (check_fs_bitmaps(argv[0])) return; if (current_journal) { printf("Journal is already open.\n"); return; } if (!EXT2_HAS_COMPAT_FEATURE(current_fs->super, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) { printf("Journalling is not enabled on this filesystem.\n"); return; } reset_getopt(); while ((opt = getopt(argc, argv, "cv:f:")) != -1) { switch (opt) { case 'c': enable_csum = 1; break; case 'f': if (current_fs->journal_name) free(current_fs->journal_name); current_fs->journal_name = strdup(optarg); break; case 'v': csum_ver = atoi(optarg); if (csum_ver != 2 && csum_ver != 3) { printf("Unknown journal csum v%d\n", csum_ver); csum_ver = 3; } break; default: printf("%s: [-c] [-v ver] [-f ext_jnl]\n", argv[0]); printf("-c: Enable journal checksumming.\n"); printf("-v: Use this version checksum format.\n"); printf("-j: Load this external journal.\n"); } } err = ext2fs_open_journal(current_fs, ¤t_journal); if (err) { com_err(argv[0], err, "while opening journal"); return; } journal = current_journal; dbg_printf("JOURNAL: seq=%d tailseq=%d start=%lu first=%lu " "maxlen=%lu\n", journal->j_tail_sequence, journal->j_transaction_sequence, journal->j_tail, journal->j_first, journal->j_last); update_uuid(journal); update_64bit_flag(journal); if (enable_csum) update_journal_csum(journal, csum_ver); err = journal_find_head(journal); if (err) com_err(argv[0], err, "while examining journal"); }