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/* Copyright (c) 2007-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "base64.h"
#include "buffer.h"
#include "str.h"
#include "sha1.h"
#include "istream.h"
#include "istream-crlf.h"
#include "istream-binary-converter.h"
#include "test-common.h"
#include <stdio.h>
#define BINARY_TEXT_LONG "we have\ra lot \nof \0binary stuff in here\n" \
"b adjig sadjg jasidgjiaehga3wht8a3w8ghxjc dsgad hasdghsd gasd ds" \
"jdsoga sjdga0w3tjhawjgsertniq3n5oqerjqw2r89q23h awhrqh835r8a"
#define BINARY_TEXT_LONG_BASE64 \
"d2UgaGF2ZQ1hIGxvdCAKb2YgAGJpbmFyeSBzdHVmZiBpbiBoZXJlCmIgYWRqaWcgc2FkamcgamFz\r\n" \
"aWRnamlhZWhnYTN3aHQ4YTN3OGdoeGpjIGRzZ2FkIGhhc2RnaHNkIGdhc2QgZHNqZHNvZ2Egc2pk\r\n" \
"Z2EwdzN0amhhd2pnc2VydG5pcTNuNW9xZXJqcXcycjg5cTIzaCBhd2hycWg4MzVyOGE="
#define BINARY_TEXT_SHORT "eh"
#define BINARY_TEXT_SHORT_BASE64 "ZWg="
static const char mail_input_mime[] =
"MIME-Version: 1.0\r\n"
"Content-Type: multipart/alternative;\r\n boundary=\"bound\"\r\n"
"\r\n"
"mime header\r\n"
"\r\n--bound\r\n"
"Content-Transfer-Encoding: binary\r\n"
"Content-Type: text/plain\r\n"
"\r\n"
BINARY_TEXT_LONG
"\r\n--bound\r\n"
"Content-Type: text/plain\r\n"
"Content-Transfer-Encoding: binary\r\n"
"\r\n"
BINARY_TEXT_SHORT
"\n--bound\r\n"
"Content-Type: text/plain\r\n"
"\r\n"
"hello world\r\n"
"\r\n--bound--\r\n";
static const char mail_output_mime[] =
"MIME-Version: 1.0\r\n"
"Content-Type: multipart/alternative;\r\n boundary=\"bound\"\r\n"
"\r\n"
"mime header\r\n"
"\r\n--bound\r\n"
"Content-Transfer-Encoding: base64\r\n"
"Content-Type: text/plain\r\n"
"\r\n"
BINARY_TEXT_LONG_BASE64
"\r\n--bound\r\n"
"Content-Type: text/plain\r\n"
"Content-Transfer-Encoding: base64\r\n"
"\r\n"
BINARY_TEXT_SHORT_BASE64
"\n--bound\r\n"
"Content-Type: text/plain\r\n"
"\r\n"
"hello world\r\n"
"\r\n--bound--\r\n";
static const char mail_input_root_hdr[] =
"MIME-Version: 1.0\r\n"
"Content-Transfer-Encoding: binary\r\n"
"Content-Type: text/plain\r\n"
"\r\n";
static const char mail_output_root_hdr[] =
"MIME-Version: 1.0\r\n"
"Content-Transfer-Encoding: base64\r\n"
"Content-Type: text/plain\r\n"
"\r\n";
static const char mail_root_nonbinary[] =
"MIME-Version: 1.0\r\n"
"Content-Type: text/plain\r\n"
"\r\n"
"hello\n\n";
static void
test_istream_binary_converter_test(const char *mail_input, unsigned int mail_input_len,
const char *mail_output, unsigned int mail_output_len,
unsigned int idx)
{
struct istream *datainput, *input;
const unsigned char *data;
size_t i, size;
int ret;
datainput = test_istream_create_data(mail_input, mail_input_len);
test_istream_set_allow_eof(datainput, FALSE);
input = i_stream_create_binary_converter(datainput);
for (i = 1; i <= mail_input_len; i++) {
test_istream_set_size(datainput, i);
while ((ret = i_stream_read(input)) > 0) ;
test_assert_idx(ret == 0, idx);
}
test_istream_set_allow_eof(datainput, TRUE);
while ((ret = i_stream_read(input)) > 0) ;
test_assert_idx(ret == -1, idx);
data = i_stream_get_data(input, &size);
test_assert_idx(size == mail_output_len &&
memcmp(data, mail_output, size) == 0, idx);
i_stream_unref(&input);
i_stream_unref(&datainput);
}
static void test_istream_binary_converter_mime(void)
{
test_begin("istream binary converter in mime parts");
test_istream_binary_converter_test(mail_input_mime, sizeof(mail_input_mime)-1,
mail_output_mime, sizeof(mail_output_mime)-1, 0);
test_end();
}
static void test_istream_binary_converter_root(void)
{
buffer_t *inbuf = t_buffer_create(512);
buffer_t *outbuf = t_buffer_create(512);
const char *const suffixes[] = { "\n", "\r\n", "\n\r\n\n\n" };
unsigned int i;
unsigned int input_hdr_len = sizeof(mail_input_root_hdr)-1;
test_begin("istream binary converter in root");
buffer_append(inbuf, mail_input_root_hdr, input_hdr_len);
buffer_append(outbuf, mail_output_root_hdr, sizeof(mail_output_root_hdr)-1);
for (i = 0; i < N_ELEMENTS(suffixes); i++) {
buffer_set_used_size(inbuf, input_hdr_len);
buffer_set_used_size(outbuf, sizeof(mail_output_root_hdr)-1);
buffer_append(inbuf, BINARY_TEXT_SHORT, sizeof(BINARY_TEXT_SHORT)-1);
buffer_append(inbuf, suffixes[i], strlen(suffixes[i]));
base64_encode(CONST_PTR_OFFSET(inbuf->data, input_hdr_len),
inbuf->used - input_hdr_len, outbuf);
test_istream_binary_converter_test(inbuf->data, inbuf->used,
outbuf->data, outbuf->used, i);
}
test_end();
}
static void test_istream_binary_converter_root_nonbinary(void)
{
test_begin("istream binary converter in root having non-binary");
test_istream_binary_converter_test(mail_root_nonbinary, sizeof(mail_root_nonbinary)-1,
mail_root_nonbinary, sizeof(mail_root_nonbinary)-1, 0);
test_end();
}
static int test_input_file(const char *path)
{
struct istream *file_input, *input, *input2;
const unsigned char *data;
size_t size;
struct sha1_ctxt hash;
unsigned char hash_file[SHA1_RESULTLEN], hash_converter[SHA1_RESULTLEN];
int ret = 0;
lib_init();
file_input = i_stream_create_file(path, 64);
/* get hash when directly reading input */
input = i_stream_create_crlf(file_input);
sha1_init(&hash);
while (i_stream_read_more(input, &data, &size) > 0) {
sha1_loop(&hash, data, size);
i_stream_skip(input, size);
}
sha1_result(&hash, hash_file);
i_stream_unref(&input);
/* get hash when going through converter */
i_stream_seek(file_input, 0);
input = i_stream_create_crlf(file_input);
input2 = i_stream_create_binary_converter(input);
sha1_init(&hash);
while (i_stream_read_more(input2, &data, &size) > 0) {
sha1_loop(&hash, data, size);
i_stream_skip(input2, size);
}
sha1_result(&hash, hash_converter);
i_stream_unref(&input2);
i_stream_unref(&input);
if (memcmp(hash_file, hash_converter, SHA1_RESULTLEN) != 0) {
fprintf(stderr, "istream-binary-converter: mismatch on file %s\n",
path);
ret = 1;
}
i_stream_unref(&file_input);
lib_deinit();
return ret;
}
int main(int argc, char *argv[])
{
static void (*const test_functions[])(void) = {
test_istream_binary_converter_mime,
test_istream_binary_converter_root,
test_istream_binary_converter_root_nonbinary,
NULL
};
if (argc > 1)
return test_input_file(argv[1]);
else
return test_run(test_functions);
}
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