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"); }
errcode_t ext2fs_inline_data_ea_remove(ext2_filsys fs, ext2_ino_t ino) { struct ext2_xattr_handle *handle; errcode_t retval; retval = ext2fs_xattrs_open(fs, ino, &handle); if (retval) return retval; retval = ext2fs_xattrs_read(handle); if (retval) goto err; retval = ext2fs_xattr_remove(handle, "system.data"); if (retval) goto err; retval = ext2fs_xattrs_write(handle); err: (void) ext2fs_xattrs_close(&handle); return retval; }
static errcode_t ext2fs_inline_data_ea_set(struct ext2_inline_data *data) { struct ext2_xattr_handle *handle; errcode_t retval; retval = ext2fs_xattrs_open(data->fs, data->ino, &handle); if (retval) return retval; retval = ext2fs_xattrs_read(handle); if (retval) goto err; retval = ext2fs_xattr_set(handle, "system.data", data->ea_data, data->ea_size); if (retval) goto err; retval = ext2fs_xattrs_write(handle); err: (void) ext2fs_xattrs_close(&handle); return retval; }
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"); }