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path: root/src/lib-program-client/test-program-client-local.c
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/* Copyright (c) 2002-2018 Dovecot authors, see the included COPYING file */

#include "lib.h"
#include "test-lib.h"
#include "buffer.h"
#include "str.h"
#include "istream.h"
#include "istream-concat.h"
#include "ostream.h"
#include "lib-signals.h"
#include "program-client.h"

#include <unistd.h>

static const char *pclient_test_io_string = 
	"Lorem ipsum dolor sit amet, consectetur adipiscing elit.\n"
	"Praesent vehicula ac leo vel placerat. Nullam placerat \n"
	"volutpat leo, sed ultricies felis pulvinar quis. Nam \n"
	"tempus, augue ut tempor cursus, neque felis commodo lacus, \n"
	"sit amet tincidunt arcu justo vel augue. Proin dapibus \n"
	"vulputate maximus. Mauris congue lacus felis, sed varius \n"
	"leo finibus sagittis. Cum sociis natoque penatibus et magnis \n"
	"dis parturient montes, nascetur ridiculus mus. Aliquam \n"
	"laoreet arcu a hendrerit consequat. Duis vitae erat tellus.";

static struct program_client_settings pc_set = {
	.client_connect_timeout_msecs = 10000,
	.input_idle_timeout_msecs = 5000,
	.debug = FALSE,
	.restrict_set = {
		.uid = (uid_t)-1,
		.gid = (gid_t)-1,
	},
	/* we need to permit root when running make check as root */
	.allow_root = TRUE,
};

static void test_program_success(void)
{
	struct program_client *pc;

	const char *const args[] = {
		"hello", "world", NULL
	};

	test_begin("test_program_success");

	pc = program_client_local_create("/bin/echo", args, &pc_set);

	buffer_t *output = buffer_create_dynamic(default_pool, 16);
	struct ostream *os = test_ostream_create(output);
	program_client_set_output(pc, os);

	test_assert(program_client_run(pc) == 1);
	test_assert(strcmp(str_c(output), "hello world\n") == 0);

	program_client_destroy(&pc);

	o_stream_unref(&os);
	buffer_free(&output);

	test_end();
}

static void test_program_io_sync(void)
{
	struct program_client *pc;

	const char *const args[] = {
		NULL
	};

	test_begin("test_program_io (sync)");

	pc = program_client_local_create("/bin/cat", args, &pc_set);

	struct istream *is = test_istream_create(pclient_test_io_string);
	program_client_set_input(pc, is);

	buffer_t *output = buffer_create_dynamic(default_pool, 16);
	struct ostream *os = test_ostream_create(output);
	program_client_set_output(pc, os);

	test_assert(program_client_run(pc) == 1);
	test_assert(strcmp(str_c(output), pclient_test_io_string) == 0);

	program_client_destroy(&pc);

	i_stream_unref(&is);
	o_stream_unref(&os);
	buffer_free(&output);

	test_end();
}

static void test_program_io_async_callback(int result, int *ret)
{
	*ret = result;
	test_assert(result == 1);
	io_loop_stop(current_ioloop);
}

static void test_program_io_async(void)
{
	struct ioloop *prev_ioloop, *ioloop;
	struct program_client *pc;
	int ret = -2;

	const char *const args[] = {
		NULL
	};

	test_begin("test_program_io (async)");

	prev_ioloop = current_ioloop;
	ioloop = io_loop_create();

	pc = program_client_local_create("/bin/cat", args, &pc_set);

	struct istream *is = test_istream_create(pclient_test_io_string);
	program_client_set_input(pc, is);

	buffer_t *output = buffer_create_dynamic(default_pool, 16);
	struct ostream *os = test_ostream_create(output);
	program_client_set_output(pc, os);

	program_client_run_async(pc, test_program_io_async_callback, &ret);

	if (ret == -2)
		io_loop_run(ioloop);

	test_assert(strcmp(str_c(output), pclient_test_io_string) == 0);

	program_client_destroy(&pc);

	i_stream_unref(&is);
	o_stream_unref(&os);
	buffer_free(&output);
	io_loop_set_current(prev_ioloop);
	io_loop_set_current(ioloop);
	io_loop_destroy(&ioloop);

	test_end();
}

static void test_program_failure(void)
{
	struct program_client *pc;

	const char *const args[] = {
		NULL
	};

	test_begin("test_program_failure");

	pc = program_client_local_create("/bin/false", args, &pc_set);

	buffer_t *output = buffer_create_dynamic(default_pool, 16);
	struct ostream *os = test_ostream_create(output);
	program_client_set_output(pc, os);

	test_assert(program_client_run(pc) == 0);
	test_assert(strcmp(str_c(output), "") == 0);

	program_client_destroy(&pc);

	o_stream_unref(&os);
	buffer_free(&output);

	test_end();
}

static void test_program_io_big(void)
{
	struct program_client *pc;

	/* nasty program that reads data in bits with intermittent delays
	   and then finally reads the rest in one go. */
	const char *const args[] = {
		"-c",
		"(dd bs=10240 count=1; sleep 0.1; "
		 "dd bs=10240 count=1; sleep 0.1; "
		 "dd bs=10240 count=1; sleep 0.1; "
		 "dd bs=10240 count=1; sleep 0.1; "
		 "dd bs=10240 count=1; sleep 0.1; "
		 "dd bs=10240 count=1; sleep 0.1; cat) 2>/dev/null",
		NULL
	};

	test_begin("test_program_io (big)");

	pc = program_client_local_create("/bin/sh", args, &pc_set);

	/* make big input with only a small reference string */
	struct istream *is1 = test_istream_create(pclient_test_io_string);
	struct istream *in1[11] = {is1, is1, is1, is1, is1,
				   is1, is1, is1, is1, is1, NULL};
	struct istream *is2 = i_stream_create_concat(in1);
	struct istream *in2[11] = {is2, is2, is2, is2, is2,
				   is2, is2, is2, is2, is2, NULL};
	struct istream *is3 = i_stream_create_concat(in2);
	struct istream *in3[11] = {is3, is3, is3, is3, is3,
				   is3, is3, is3, is3, is3, NULL};
	struct istream *is = i_stream_create_concat(in3);

	i_stream_unref(&is1);
	i_stream_unref(&is2);
	i_stream_unref(&is3);

	program_client_set_input(pc, is);

	buffer_t *output = buffer_create_dynamic(default_pool, 16);
	struct ostream *os = test_ostream_create(output);
	program_client_set_output(pc, os);

	test_assert(program_client_run(pc) == 1);

	test_assert(str_len(output) == strlen(pclient_test_io_string)*10*10*10);

	program_client_destroy(&pc);

	i_stream_unref(&is);
	o_stream_unref(&os);
	buffer_free(&output);

	test_end();
}

static void test_program_wait_no_io(void)
{
	struct program_client_settings set = pc_set;
	struct program_client *pc;

	/* nasty program that reads data in bits with intermittent delays
	   and then finally reads the rest in one go. */
	const char *const args[] = {
		"-c", "sleep 1",
		NULL
	};

	test_begin("test_program_wait (no timeout, no I/O)");

	set.client_connect_timeout_msecs = 0;
	set.input_idle_timeout_msecs = 0;
	pc = program_client_local_create("/bin/sh", args, &set);

	test_assert(program_client_run(pc) == 1);

	program_client_destroy(&pc);

	test_end();
}

int main(int argc, char *argv[])
{
	struct ioloop *ioloop;
	int ret, c;

	void (*tests[])(void) = {
		test_program_success,
		test_program_io_sync,
		test_program_io_async,
		test_program_io_big,
		test_program_failure,
		test_program_wait_no_io,
		NULL
	};

	lib_init();

	while ((c = getopt(argc, argv, "D")) > 0) {
		switch (c) {
		case 'D':
			pc_set.debug = TRUE;
			break;
		default:
			i_fatal("Usage: %s [-D]", argv[0]);
		}
	}

	ioloop = io_loop_create();
	lib_signals_init();
	ret = test_run(tests);
	lib_signals_deinit();
	io_loop_destroy(&ioloop);

	lib_deinit();
	return ret;
}