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/* Copyright (c) 2020 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "str.h"
#include "fuzzer.h"
#include "imap-bodystructure.c"
#include <ctype.h>
static const char *str_sanitize_binary(const char *input)
{
string_t *dest = t_str_new(strlen(input));
for (;*input != '\0';input++) {
if (i_isprint(*input) == 0)
str_printfa(dest, "<%02x>", (unsigned char)*input);
else
str_append_c(dest, *input);
}
return str_c(dest);
}
FUZZ_BEGIN_STR(const char *str)
{
pool_t pool =
pool_alloconly_create(MEMPOOL_GROWING"fuzz bodystructure", 1024);
struct message_part parts;
string_t *dest = str_new(pool, 32);
const char *error ATTR_UNUSED;
i_zero(&parts);
if (imap_bodystructure_parse(str, pool, &parts, &error) == 0) {
if (imap_bodystructure_write(&parts, dest, TRUE, &error) < 0)
i_panic("Failed to write bodystructure: %s", error);
/* The written bodystructure must be parseable *and*
it must come out exactly the same again */
if (imap_bodystructure_parse(str_c(dest), pool, &parts, &error) != 0) {
i_panic("Failed to reparse bodystructure '%s'",
str_sanitize_binary(str_c(dest)));
} else {
const char *new_str = t_strdup(str_c(dest));
str_truncate(dest, 0);
if (imap_bodystructure_write(&parts, dest, TRUE, &error) < 0)
i_panic("Failed to write reparsed bodystructure: %s", error);
if (strcmp(str_c(dest), new_str) != 0) {
i_panic("Parsed bodystructure '%s' does not match '%s'",
str_sanitize_binary(new_str),
str_sanitize_binary(str_c(dest)));
}
}
}
pool_unref(&pool);
}
FUZZ_END
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