int mailbox_list_delete_mailbox_file(struct mailbox_list *list,
const char *name, const char *path)
{
/* we can simply unlink() the file */
if (unlink(path) == 0)
return 0;
else if (ENOTFOUND(errno)) {
mailbox_list_set_error(list, MAIL_ERROR_NOTFOUND,
T_MAILBOX_LIST_ERR_NOT_FOUND(list, name));
return -1;
} else {
if (!mailbox_list_set_error_from_errno(list)) {
mailbox_list_set_critical(list,
"unlink(%s) failed: %m", path);
}
return -1;
}
}
int mailbox_list_delete_maildir_via_trash(struct mailbox_list *list,
const char *name,
const char *trash_dir)
{
const char *src, *trash_dest;
unsigned int count;
src = mailbox_list_get_path(list, name, MAILBOX_LIST_PATH_TYPE_MAILBOX);
if (mailbox_list_check_root_delete(list, name, src) < 0)
return -1;
/* rename the mailbox dir to trash dir, which atomically
marks it as being deleted. */
count = 0; trash_dest = trash_dir;
for (; rename(src, trash_dest) < 0; count++) {
if (ENOTFOUND(errno)) {
if (trash_dest != trash_dir && count < 5) {
/* either the source was just deleted or
the trash dir was deleted. */
trash_dest = trash_dir;
continue;
}
mailbox_list_set_error(list, MAIL_ERROR_NOTFOUND,
T_MAIL_ERR_MAILBOX_NOT_FOUND(name));
return -1;
}
if (errno == EXDEV) {
/* can't do this the fast way */
return 0;
}
if (!EDESTDIREXISTS(errno)) {
if (mailbox_list_set_error_from_errno(list))
return -1;
mailbox_list_set_critical(list,
"rename(%s, %s) failed: %m", src, trash_dest);
return -1;
}
/* trash dir already exists. the reasons for this are:
a) another process is in the middle of deleting it
b) previous process crashed and didn't delete it
c) NFS: mailbox was recently deleted, but some connection
still has that mailbox open. the directory contains .nfs*
files that can't be deleted until the mailbox is closed.
Because of c) we'll first try to rename the mailbox under
the trash directory and only later try to delete the entire
trash directory. */
if (trash_dir == trash_dest) {
trash_dest = t_strconcat(trash_dir, "/",
unique_fname(), NULL);
} else if (mailbox_list_delete_trash(trash_dest) < 0 &&
(errno != ENOTEMPTY || count >= 5)) {
mailbox_list_set_critical(list,
"unlink_directory(%s) failed: %m", trash_dest);
return -1;
}
}
if (mailbox_list_delete_trash(trash_dir) < 0 &&
errno != ENOTEMPTY && errno != EBUSY) {
mailbox_list_set_critical(list,
"unlink_directory(%s) failed: %m", trash_dir);
/* it's already renamed to trash dir, which means it's
deleted as far as the client is concerned. Report
success. */
}
return 1;
}
int mailbox_list_delete_mailbox_nonrecursive(struct mailbox_list *list,
const char *name, const char *path,
bool rmdir_path)
{
DIR *dir;
struct dirent *d;
string_t *full_path;
unsigned int dir_len;
bool mailbox_dir, unlinked_something = FALSE;
if (mailbox_list_check_root_delete(list, name, path) < 0)
return -1;
dir = opendir(path);
if (dir == NULL) {
if (errno == ENOENT) {
mailbox_list_set_error(list, MAIL_ERROR_NOTFOUND,
T_MAIL_ERR_MAILBOX_NOT_FOUND(name));
} else {
if (!mailbox_list_set_error_from_errno(list)) {
mailbox_list_set_critical(list,
"opendir(%s) failed: %m", path);
}
}
return -1;
}
full_path = t_str_new(256);
str_append(full_path, path);
str_append_c(full_path, '/');
dir_len = str_len(full_path);
for (errno = 0; (d = readdir(dir)) != NULL; errno = 0) {
if (d->d_name[0] == '.') {
/* skip . and .. */
if (d->d_name[1] == '\0')
continue;
if (d->d_name[1] == '.' && d->d_name[2] == '\0')
continue;
}
mailbox_dir = list->v.is_internal_name != NULL &&
list->v.is_internal_name(list, d->d_name);
str_truncate(full_path, dir_len);
str_append(full_path, d->d_name);
if (mailbox_dir) {
if (mailbox_list_delete_trash(str_c(full_path)) < 0) {
mailbox_list_set_critical(list,
"unlink_directory(%s) failed: %m",
str_c(full_path));
} else {
unlinked_something = TRUE;
}
continue;
}
/* trying to unlink() a directory gives either EPERM or EISDIR
(non-POSIX). it doesn't really work anywhere in practise,
so don't bother stat()ing the file first */
if (unlink(str_c(full_path)) == 0)
unlinked_something = TRUE;
else if (errno != ENOENT && errno != EISDIR && errno != EPERM) {
mailbox_list_set_critical(list,
"unlink_directory(%s) failed: %m",
str_c(full_path));
}
}
if (errno != 0)
mailbox_list_set_critical(list, "readdir(%s) failed: %m", path);
if (closedir(dir) < 0) {
mailbox_list_set_critical(list, "closedir(%s) failed: %m",
path);
}
if (rmdir_path) {
if (rmdir(path) == 0)
unlinked_something = TRUE;
else if (errno != ENOENT &&
errno != ENOTEMPTY && errno != EEXIST) {
mailbox_list_set_critical(list, "rmdir(%s) failed: %m",
path);
return -1;
}
}
if (!unlinked_something) {
mailbox_list_set_error(list, MAIL_ERROR_NOTPOSSIBLE,
"Mailbox has children, can't delete it");
return -1;
}
return 0;
}
