/* * Copyright © 2019-2020 Collabora Ltd. * * SPDX-License-Identifier: MIT * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "test-utils.h" #include <glib.h> #include "libglnx/libglnx.h" TestsOpenFdSet tests_check_fd_leaks_enter (void) { g_autoptr(GHashTable) ret = NULL; g_auto(GLnxDirFdIterator) iter = { FALSE }; g_autoptr(GError) error = NULL; ret = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free); glnx_dirfd_iterator_init_at (AT_FDCWD, "/proc/self/fd", TRUE, &iter, &error); g_assert_no_error (error); while (TRUE) { g_autofree gchar *target = NULL; struct dirent *dent; gint64 which; char *endptr; glnx_dirfd_iterator_next_dent (&iter, &dent, NULL, &error); g_assert_no_error (error); if (dent == NULL) break; if (g_str_equal (dent->d_name, ".") || g_str_equal (dent->d_name, "..")) continue; which = g_ascii_strtoll (dent->d_name, &endptr, 10); if (endptr == NULL || *endptr != '\0') { g_warning ("Found unexpected entry \"%s\" in /proc/self/fd", dent->d_name); continue; } if (which == (gint64) iter.fd) continue; /* ignore error, just let it be NULL */ target = glnx_readlinkat_malloc (iter.fd, dent->d_name, NULL, NULL); g_hash_table_replace (ret, g_strdup (dent->d_name), g_steal_pointer (&target)); } return g_steal_pointer (&ret); } void tests_check_fd_leaks_leave (TestsOpenFdSet fds) { g_auto(GLnxDirFdIterator) iter = { FALSE }; g_autoptr(GError) error = NULL; glnx_dirfd_iterator_init_at (AT_FDCWD, "/proc/self/fd", TRUE, &iter, &error); g_assert_no_error (error); while (TRUE) { g_autofree gchar *target = NULL; gpointer val = NULL; gint64 which; struct dirent *dent; char *endptr; glnx_dirfd_iterator_next_dent (&iter, &dent, NULL, &error); g_assert_no_error (error); if (dent == NULL) break; if (g_str_equal (dent->d_name, ".") || g_str_equal (dent->d_name, "..")) continue; which = g_ascii_strtoll (dent->d_name, &endptr, 10); if (endptr == NULL || *endptr != '\0') { g_warning ("Found unexpected entry \"%s\" in /proc/self/fd", dent->d_name); continue; } if (which == (gint64) iter.fd) continue; /* ignore error, just let it be NULL */ target = glnx_readlinkat_malloc (iter.fd, dent->d_name, NULL, NULL); if (g_hash_table_lookup_extended (fds, dent->d_name, NULL, &val)) { g_assert_cmpstr (target, ==, val); } else { g_error ("fd %s \"%s\" was leaked", dent->d_name, target == NULL ? "(null)" : target); } } g_hash_table_unref (fds); }