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Free struct sudo_user in sudoers_policy_close() and sudoers_cleanup().

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Also, do not NULL out the close function if NO_LEAKS is defined.
This commit is contained in:
Todd C. Miller
2021-02-15 08:29:47 -07:00
parent ea7a70e85d
commit 52e3fcc795
4 changed files with 66 additions and 66 deletions
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52
plugins/sudoers/sudoers.c
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@@ -1614,6 +1614,7 @@ sudoers_cleanup(void)
}
if (def_group_plugin)
group_plugin_unload();
sudo_user_free();
sudo_freepwcache();
sudo_freegrcache();
@@ -1633,3 +1634,54 @@ tty_present(void)
}
debug_return_bool(true);
}
/*
* Free memory allocated for struct sudo_user.
*/
void
sudo_user_free(void)
{
debug_decl(sudo_user_free, SUDOERS_DEBUG_PLUGIN);
/* Free remaining references to password and group entries. */
if (sudo_user.pw != NULL)
sudo_pw_delref(sudo_user.pw);
if (runas_pw != NULL)
sudo_pw_delref(runas_pw);
if (runas_gr != NULL)
sudo_gr_delref(runas_gr);
if (user_gid_list != NULL)
sudo_gidlist_delref(user_gid_list);
/* Free dynamic contents of sudo_user. */
free(user_cwd);
free(user_name);
free(user_gids);
if (user_ttypath != NULL)
free(user_ttypath);
else
free(user_tty);
if (user_shost != user_host)
free(user_shost);
free(user_host);
if (user_srunhost != user_runhost)
free(user_srunhost);
free(user_runhost);
free(user_cmnd);
free(user_args);
free(safe_cmnd);
free(user_stat);
#ifdef HAVE_SELINUX
free(user_role);
free(user_type);
#endif
#ifdef HAVE_PRIV_SET
free(user_privs);
free(user_limitprivs);
#endif
free(sudo_user.iolog_file);
free(sudo_user.iolog_path);
memset(&sudo_user, 0, sizeof(sudo_user));
debug_return;
}