Ejemplo n.º 1
0
void
env_filter(void)
{
	RC_STRINGLIST *env_allow;
	RC_STRINGLIST *profile;
	RC_STRINGLIST *env_list;
	RC_STRING *env;
	char *e;
	size_t i = 0;

	/* Add the user defined list of vars */
	env_allow = rc_stringlist_split(rc_conf_value("rc_env_allow"), " ");
	/*
	 * If '*' is an entry in rc_env_allow, do nothing as we are to pass
	 * through all environment variables.
	 */
	if (rc_stringlist_find(env_allow, "*"))
		return;
	profile = rc_config_load(RC_PROFILE_ENV);

	/* Copy the env and work from this so we can manipulate it safely */
	env_list = rc_stringlist_new();
	while (environ && environ[i]) {
		env = rc_stringlist_add(env_list, environ[i++]);
		e = strchr(env->value, '=');
		if (e)
			*e = '\0';
	}

	TAILQ_FOREACH(env, env_list, entries) {
		/* Check the whitelist */
		for (i = 0; env_whitelist[i]; i++) {
			if (strcmp(env_whitelist[i], env->value) == 0)
				break;
		}
		if (env_whitelist[i])
			continue;

		/* Check our user defined list */
		if (rc_stringlist_find(env_allow, env->value))
			continue;

		/* OK, not allowed! */
		unsetenv(env->value);
	}

	/* Now add anything missing from the profile */
	TAILQ_FOREACH(env, profile, entries) {
		e = strchr(env->value, '=');
		*e = '\0';
		if (!getenv(env->value))
			setenv(env->value, e + 1, 1);
	}
Ejemplo n.º 2
0
void
env_filter(void)
{
	RC_STRINGLIST *env_allow;
	RC_STRINGLIST *profile;
	RC_STRINGLIST *env_list;
	RC_STRING *env;
	char *e;
	size_t i = 0;

	profile = rc_config_load(RC_PROFILE_ENV);

	/* Copy the env and work from this so we can manipulate it safely */
	env_list = rc_stringlist_new();
	while (environ && environ[i]) {
		env = rc_stringlist_add(env_list, environ[i++]);
		e = strchr(env->value, '=');
		if (e)
			*e = '\0';
	}
	if (rc_conf_value("rc_env_allow") != "*") {
		/* Add the user defined list of vars */
		env_allow = rc_stringlist_split(rc_conf_value("rc_env_allow"), " ");

		TAILQ_FOREACH(env, env_list, entries) {
			/* Check the whitelist */
			for (i = 0; env_whitelist[i]; i++) {
				if (strcmp(env_whitelist[i], env->value) == 0)
				  break;
				}
			if (env_whitelist[i])
			  continue;

		  /* Check our user defined list */
		  if (rc_stringlist_find(env_allow, env->value))
			  continue;

		  /* OK, not allowed! */
		  unsetenv(env->value);
		  }
	}