static gboolean
do_read_run (GLnxDirFdIterator *dfd_iter,
guint *out_n_read,
GError **error)
{
guint nattrs = 0;
while (TRUE)
{
struct dirent *dent;
if (!glnx_dirfd_iterator_next_dent (dfd_iter, &dent, NULL, error))
return FALSE;
if (!dent)
break;
glnx_autofd int fd = -1;
if (!glnx_openat_rdonly (dfd_iter->fd, dent->d_name, FALSE, &fd, error))
return FALSE;
g_autoptr(GVariant) current_xattrs = NULL;
if (!glnx_fd_get_all_xattrs (fd, ¤t_xattrs, NULL, error))
return FALSE;
/* We don't actually care about the values, just use the variable
* to avoid compiler warnings.
*/
nattrs += g_variant_n_children (current_xattrs);
}
*out_n_read = nattrs;
return TRUE;
}
/* swiss-army knife: takes an strv of pkgspecs destined for
* install, and splits it into repo pkgs, and for local
* pkgs, an fd list & idx variant. */
gboolean
rpmostree_sort_pkgs_strv (const char *const* pkgs,
GUnixFDList *fd_list,
GPtrArray **out_repo_pkgs,
GVariant **out_fd_idxs,
GError **error)
{
g_autoptr(GPtrArray) repo_pkgs = g_ptr_array_new_with_free_func (g_free);
g_auto(GVariantBuilder) builder;
g_variant_builder_init (&builder, G_VARIANT_TYPE ("ah"));
for (const char *const* pkg = pkgs; pkg && *pkg; pkg++)
{
if (!g_str_has_suffix (*pkg, ".rpm"))
g_ptr_array_add (repo_pkgs, g_strdup (*pkg));
else
{
glnx_fd_close int fd = -1;
if (!glnx_openat_rdonly (AT_FDCWD, *pkg, TRUE, &fd, error))
return FALSE;
int idx = g_unix_fd_list_append (fd_list, fd, error);
if (idx < 0)
return FALSE;
g_variant_builder_add (&builder, "h", idx);
}
}
*out_fd_idxs = g_variant_ref_sink (g_variant_new ("ah", &builder));
*out_repo_pkgs = g_steal_pointer (&repo_pkgs);
return TRUE;
}
static gboolean
do_write_run (GLnxDirFdIterator *dfd_iter, GError **error)
{
WriteType wtype = g_random_int () % 2;
if (wtype == WRITE_RUN_CREATE)
{
guint32 randname_v = g_random_int ();
g_autofree char *randname = g_strdup_printf ("file%u", randname_v);
glnx_autofd int fd = -1;
again:
fd = openat (dfd_iter->fd, randname, O_CREAT | O_EXCL, 0644);
if (fd < 0)
{
if (errno == EEXIST)
{
g_printerr ("Congratulations! I suggest purchasing a lottery ticket today!\n");
goto again;
}
else
{
glnx_set_error_from_errno (error);
return FALSE;
}
}
if (!add_random_xattrs (fd, error))
return FALSE;
}
else if (wtype == WRITE_RUN_MUTATE)
{
while (TRUE)
{
struct dirent *dent;
if (!glnx_dirfd_iterator_next_dent (dfd_iter, &dent, NULL, error))
return FALSE;
if (!dent)
break;
glnx_autofd int fd = -1;
if (!glnx_openat_rdonly (dfd_iter->fd, dent->d_name, FALSE, &fd, error))
return FALSE;
g_autoptr(GVariant) current_xattrs = NULL;
if (!glnx_fd_get_all_xattrs (fd, ¤t_xattrs, NULL, error))
return FALSE;
for (int i = 0; i < g_variant_n_children (current_xattrs); i++)
{
const char *name, *value;
g_variant_get_child (current_xattrs, i, "(^&ay^&ay)", &name, &value);
/* We don't want to potentially test/change xattrs like security.selinux
* that were injected by the system.
*/
if (!g_str_has_prefix (name, "user.test"))
continue;
if (!set_random_xattr_value (fd, name, error))
return FALSE;
}
}
}
else
g_assert_not_reached ();
return TRUE;
}
