/* mount_point should be an array of at least PATH_MAX characters * Returns non-zero on error. */ static int fuse_mount(FileView *view, char file_full_path[], const char param[], const char program[], char mount_point[]) { /* TODO: refactor this function fuse_mount(). */ int mount_point_id; char buf[2*PATH_MAX]; char *escaped_filename; int foreground; char errors_file[PATH_MAX]; int status; int cancelled; escaped_filename = escape_filename(get_current_file_name(view), 0); mount_point_id = get_last_mount_point_id(fuse_mounts); do { snprintf(mount_point, PATH_MAX, "%s/%03d_%s", cfg.fuse_home, ++mount_point_id, get_current_file_name(view)); } while(path_exists(mount_point, DEREF)); if(os_mkdir(mount_point, S_IRWXU) != 0) { free(escaped_filename); show_error_msg("Unable to create FUSE mount directory", mount_point); return -1; } free(escaped_filename); /* Just before running the mount, I need to chdir out temporarily from any FUSE mounted paths, Otherwise the fuse-zip command fails with "fusermount: failed to open current directory: permission denied" (this happens when mounting JARs from mounted JARs) */ if(vifm_chdir(cfg.fuse_home) != 0) { show_error_msg("FUSE MOUNT ERROR", "Can't chdir() to FUSE home"); return -1; } format_mount_command(mount_point, file_full_path, param, program, sizeof(buf), buf, &foreground); status_bar_message("FUSE mounting selected file, please stand by.."); if(foreground) { def_prog_mode(); endwin(); } generate_tmp_file_name("vifm.errors", errors_file, sizeof(errors_file)); strcat(buf, " 2> "); strcat(buf, errors_file); LOG_INFO_MSG("FUSE mount command: `%s`", buf); status = background_and_wait_for_status(buf, !foreground, &cancelled); clean_status_bar(); /* Check child process exit status. */ if(!WIFEXITED(status) || WEXITSTATUS(status) != EXIT_SUCCESS) { FILE *ef; if(!WIFEXITED(status)) { LOG_ERROR_MSG("FUSE mounter didn't exit!"); } else { LOG_ERROR_MSG("FUSE mount command exit status: %d", WEXITSTATUS(status)); } ef = os_fopen(errors_file, "r"); if(ef == NULL) { LOG_SERROR_MSG(errno, "Failed to open temporary stderr file: %s", errors_file); } show_errors_from_file(ef, "FUSE mounter error"); werase(status_bar); if(cancelled) { status_bar_message("FUSE mount cancelled"); curr_stats.save_msg = 1; } else { show_error_msg("FUSE MOUNT ERROR", file_full_path); } if(unlink(errors_file) != 0) { LOG_SERROR_MSG(errno, "Error file deletion failure: %d", errors_file); } /* Remove the directory we created for the mount. */ (void)rmdir(mount_point); (void)vifm_chdir(flist_get_dir(view)); return -1; } unlink(errors_file); status_bar_message("FUSE mount success"); register_mount(&fuse_mounts, file_full_path, mount_point, mount_point_id); return 0; }
int fuse_try_unmount(FileView *view) { char buf[14 + PATH_MAX + 1]; fuse_mount_t *runner, *trailer; int status; fuse_mount_t *sniffer; char *escaped_mount_point; runner = fuse_mounts; trailer = NULL; while(runner) { if(paths_are_equal(runner->mount_point, view->curr_dir)) { break; } trailer = runner; runner = runner->next; } if(runner == NULL) { return 0; } /* we are exiting a top level dir */ escaped_mount_point = escape_filename(runner->mount_point, 0); snprintf(buf, sizeof(buf), "%s %s 2> /dev/null", curr_stats.fuse_umount_cmd, escaped_mount_point); LOG_INFO_MSG("FUSE unmount command: `%s`", buf); free(escaped_mount_point); /* Have to chdir to parent temporarily, so that this DIR can be unmounted. */ if(vifm_chdir(cfg.fuse_home) != 0) { show_error_msg("FUSE UMOUNT ERROR", "Can't chdir to FUSE home"); return -1; } status_bar_message("FUSE unmounting selected file, please stand by.."); status = background_and_wait_for_status(buf, 0, NULL); clean_status_bar(); /* check child status */ if(!WIFEXITED(status) || WEXITSTATUS(status)) { werase(status_bar); show_error_msgf("FUSE UMOUNT ERROR", "Can't unmount %s. It may be busy.", runner->source_file_name); (void)vifm_chdir(flist_get_dir(view)); return -1; } /* remove the directory we created for the mount */ if(path_exists(runner->mount_point, DEREF)) rmdir(runner->mount_point); /* remove mount point from fuse_mount_t */ sniffer = runner->next; if(trailer) trailer->next = sniffer ? sniffer : NULL; else fuse_mounts = sniffer; updir_from_mount(view, runner); free(runner); return 1; }
/* * mount_point should be an array of at least PATH_MAX characters * Returns non-zero on error. */ static int fuse_mount(FileView *view, char *file_full_path, const char *param, const char *program, char *mount_point) { /* TODO: refactor this function fuse_mount() */ fuse_mount_t *runner = NULL; int mount_point_id = 0; fuse_mount_t *fuse_item = NULL; char buf[2*PATH_MAX]; char *escaped_filename; int clear_before_mount = 0; char errors_file[PATH_MAX]; int status; escaped_filename = escape_filename(get_current_file_name(view), 0); /* get mount_point_id + mount_point and set runner pointing to the list's * tail */ if(fuse_mounts != NULL) { runner = fuse_mounts; while(runner->next != NULL) runner = runner->next; mount_point_id = runner->mount_point_id; } do { snprintf(mount_point, PATH_MAX, "%s/%03d_%s", cfg.fuse_home, ++mount_point_id, get_current_file_name(view)); } while(path_exists(mount_point)); if(make_dir(mount_point, S_IRWXU) != 0) { free(escaped_filename); show_error_msg("Unable to create FUSE mount directory", mount_point); return -1; } free(escaped_filename); /* Just before running the mount, I need to chdir out temporarily from any FUSE mounted paths, Otherwise the fuse-zip command fails with "fusermount: failed to open current directory: permission denied" (this happens when mounting JARs from mounted JARs) */ if(vifm_chdir(cfg.fuse_home) != 0) { show_error_msg("FUSE MOUNT ERROR", "Can't chdir() to FUSE home"); return -1; } clear_before_mount = format_mount_command(mount_point, file_full_path, param, program, sizeof(buf), buf); status_bar_message("FUSE mounting selected file, please stand by.."); if(clear_before_mount) { def_prog_mode(); endwin(); } generate_tmp_file_name("vifm.errors", errors_file, sizeof(errors_file)); strcat(buf, " 2> "); strcat(buf, errors_file); LOG_INFO_MSG("FUSE mount command: `%s`", buf); status = background_and_wait_for_status(buf); clean_status_bar(); /* check child status */ if(!WIFEXITED(status) || (WIFEXITED(status) && WEXITSTATUS(status))) { FILE *ef = fopen(errors_file, "r"); print_errors(ef); unlink(errors_file); werase(status_bar); /* remove the directory we created for the mount */ if(path_exists(mount_point)) rmdir(mount_point); show_error_msg("FUSE MOUNT ERROR", file_full_path); (void)vifm_chdir(view->curr_dir); return -1; } unlink(errors_file); status_bar_message("FUSE mount success"); fuse_item = malloc(sizeof(*fuse_item)); copy_str(fuse_item->source_file_name, sizeof(fuse_item->source_file_name), file_full_path); strcpy(fuse_item->source_file_dir, view->curr_dir); canonicalize_path(mount_point, fuse_item->mount_point, sizeof(fuse_item->mount_point)); fuse_item->mount_point_id = mount_point_id; fuse_item->next = NULL; if(fuse_mounts == NULL) fuse_mounts = fuse_item; else runner->next = fuse_item; return 0; }