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/* Copyright (c) 2009-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "istream.h"
#include "imap-parser.h"
#include "test-common.h"
static void test_imap_parser_crlf(void)
{
static const char *test_input = "foo\r\nx\ry\n";
struct istream *input;
struct imap_parser *parser;
const struct imap_arg *args;
unsigned int i;
enum imap_parser_error parse_error;
test_begin("imap parser crlf handling");
input = test_istream_create(test_input);
parser = imap_parser_create(input, NULL, 1024);
/* must return -2 until LF is read */
for (i = 0; test_input[i] != '\n'; i++) {
test_istream_set_size(input, i+1);
(void)i_stream_read(input);
test_assert(imap_parser_read_args(parser, 0, 0, &args) == -2);
}
test_istream_set_size(input, i+1);
(void)i_stream_read(input);
test_assert(imap_parser_read_args(parser, 0, 0, &args) == 1);
test_assert(args[0].type == IMAP_ARG_ATOM);
test_assert(args[1].type == IMAP_ARG_EOL);
/* CR without LF should fail with error */
imap_parser_reset(parser);
i_stream_seek(input, ++i);
test_istream_set_size(input, ++i);
(void)i_stream_read(input);
test_assert(imap_parser_read_args(parser, 0, 0, &args) == -2);
test_istream_set_size(input, ++i);
(void)i_stream_read(input);
test_assert(imap_parser_read_args(parser, 0, 0, &args) == -2);
test_istream_set_size(input, ++i);
(void)i_stream_read(input);
test_assert(imap_parser_read_args(parser, 0, 0, &args) == -1);
test_assert(strcmp(imap_parser_get_error
(parser, &parse_error), "CR sent without LF") == 0 &&
parse_error == IMAP_PARSE_ERROR_BAD_SYNTAX);
imap_parser_unref(&parser);
i_stream_destroy(&input);
test_end();
}
static void test_imap_parser_partial_list(void)
{
static const char *test_input = "((((foo {1000000}\r\n";
struct istream *input;
struct imap_parser *parser;
const struct imap_arg *args, *sub_list;
test_begin("imap parser partial list");
input = test_istream_create(test_input);
parser = imap_parser_create(input, NULL, 1024);
(void)i_stream_read(input);
test_assert(imap_parser_read_args(parser, 0,
IMAP_PARSE_FLAG_LITERAL_SIZE, &args) == 1);
for (unsigned int i = 0; i < 4; i++) {
sub_list = imap_arg_as_list(&args[0]);
test_assert(IMAP_ARG_IS_EOL(&args[1]));
args = sub_list;
}
test_assert(imap_arg_atom_equals(&args[0], "foo"));
test_assert(args[1].type == IMAP_ARG_LITERAL_SIZE);
test_assert(IMAP_ARG_IS_EOL(&args[2]));
imap_parser_unref(&parser);
i_stream_destroy(&input);
test_end();
}
static void test_imap_parser_read_tag_cmd(void)
{
enum read_type {
BOTH,
TAG,
COMMAND
};
struct {
const char *input;
const char *tag;
int ret;
enum read_type type;
} tests[] = {
{ "tag foo", "tag", 1, BOTH },
{ "tag\r", "tag", 1, BOTH },
{ "tag\rfoo", "tag", 1, BOTH },
{ "tag\nfoo", "tag", 1, BOTH },
{ "tag\r\nfoo", "tag", 1, BOTH },
{ "\n", NULL, -1, BOTH },
{ "tag", NULL, 0, BOTH },
{ "tag\t", NULL, -1, BOTH },
{ "tag\001", NULL, -1, BOTH },
{ "tag\x80", NULL, -1, BOTH },
{ "tag(", NULL, -1, BOTH },
{ "tag)", NULL, -1, BOTH },
{ "tag{", NULL, -1, BOTH },
{ "tag/ ", "tag/", 1, BOTH },
{ "tag%", NULL, -1, BOTH },
{ "tag*", NULL, -1, BOTH },
{ "tag\"", NULL, -1, BOTH },
{ "tag\\", NULL, -1, BOTH },
{ "tag+", NULL, -1, TAG },
{ "tag+ ", "tag+", 1, COMMAND },
};
struct istream *input;
struct imap_parser *parser;
const char *atom;
int ret;
test_begin("imap_parser_read_tag and imap_parser_read_command_name");
for (unsigned int i = 0; i < N_ELEMENTS(tests); i++) {
if (tests[i].type != COMMAND) {
input = test_istream_create(tests[i].input);
test_assert(i_stream_read(input) > 0);
parser = imap_parser_create(input, NULL, 1024);
ret = imap_parser_read_tag(parser, &atom);
test_assert_idx(ret == tests[i].ret, i);
test_assert_idx(ret <= 0 || strcmp(tests[i].tag, atom) == 0, i);
imap_parser_unref(&parser);
i_stream_destroy(&input);
}
if (tests[i].type != TAG) {
input = test_istream_create(tests[i].input);
test_assert(i_stream_read(input) > 0);
parser = imap_parser_create(input, NULL, 1024);
ret = imap_parser_read_command_name(parser, &atom);
test_assert_idx(ret == tests[i].ret, i);
test_assert_idx(ret <= 0 || strcmp(tests[i].tag, atom) == 0, i);
imap_parser_unref(&parser);
i_stream_destroy(&input);
}
}
test_end();
}
int main(void)
{
static void (*const test_functions[])(void) = {
test_imap_parser_crlf,
test_imap_parser_partial_list,
test_imap_parser_read_tag_cmd,
NULL
};
return test_run(test_functions);
}
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