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notsocket changes from afl branch

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--HG--
branch : fuzz
This commit is contained in:
Matt Johnston 2017-05-12 22:14:49 +08:00
parent 9f40bbba29
commit d7471c4f87
1 changed files with 36 additions and 2 deletions
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38
netio.c
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@ -485,14 +485,36 @@ void get_socket_address(int fd, char **local_host, char **local_port,
if (local_host || local_port) {
addrlen = sizeof(addr);
if (getsockname(fd, (struct sockaddr*)&addr, &addrlen) < 0) {
dropbear_exit("Failed socket address: %s", strerror(errno));
if (errno == ENOTSOCK) {
// FUZZ
if (local_host) {
*local_host = m_strdup("notsocket");
}
if (local_port) {
*local_port = m_strdup("999");
}
return;
} else {
dropbear_exit("Failed socket address: %s", strerror(errno));
}
}
getaddrstring(&addr, local_host, local_port, host_lookup);
}
if (remote_host || remote_port) {
addrlen = sizeof(addr);
if (getpeername(fd, (struct sockaddr*)&addr, &addrlen) < 0) {
dropbear_exit("Failed socket address: %s", strerror(errno));
if (errno == ENOTSOCK) {
// FUZZ
if (remote_host) {
*remote_host = m_strdup("notsocket");
}
if (remote_port) {
*remote_port = m_strdup("999");
}
return;
} else {
dropbear_exit("Failed socket address: %s", strerror(errno));
}
}
getaddrstring(&addr, remote_host, remote_port, host_lookup);
}
@ -546,6 +568,18 @@ void getaddrstring(struct sockaddr_storage* addr,
return;
} else {
/* if we can't do a numeric lookup, something's gone terribly wrong */
if (ret == EAI_FAMILY) {
// FUZZ
// Fake it for non-socket input
if (ret_host) {
*ret_host = m_strdup("0.0.0.0");
}
if (ret_port)
{
*ret_port = m_strdup("999");
}
return;
}
dropbear_exit("Failed lookup: %s", gai_strerror(ret));
}
}