int dataconn()
{
struct sockaddr foo;
struct sockaddr_in local;
size_t namelen = sizeof(foo);
// brcm int curuid = geteuid();
memset(&foo, 0, sizeof(foo));
memset(&local, 0, sizeof(local));
if (pasv) {
sock = accept(pasvsock, (struct sockaddr *) &foo, &namelen);
if (sock == -1) {
control_printf(SL_FAILURE, "425-Unable to accept data connection.\r\n425 %s.",
strerror(errno));
return 1;
}
close(pasvsock);
prepare_sock(sock);
} else {
sock = socket(AF_INET, SOCK_STREAM, 0);
prepare_sock(sock);
local.sin_addr.s_addr = name.sin_addr.s_addr;
local.sin_family = AF_INET;
#if 0 //brcm
if (!strcasecmp(config_getoption("DATAPORT20"), "yes")) {
seteuid(0);
local.sin_port = htons(20);
}
#endif //brcm
if (bind(sock, (struct sockaddr *) &local, sizeof(local)) < 0) {
control_printf(SL_FAILURE, "425-Unable to bind data socket.\r\n425 %s.",
strerror(errno));
return 1;
}
#if 0 //brcm
if (!strcasecmp(config_getoption("DATAPORT20"), "yes"))
seteuid(curuid);
#endif //brcm
sa.sin_family = AF_INET;
if (connect(sock, (struct sockaddr *) &sa, sizeof(sa)) == -1) {
control_printf(SL_FAILURE, "425-Unable to establish data connection.\r\n"
"425 %s.", strerror(errno));
return 1;
}
}
control_printf(SL_SUCCESS, "150 %s data connection established.",
xfertype == TYPE_BINARY ? "BINARY" : "ASCII");
return 0;
}
void command_pasv(char *foo)
{
int a1, a2, a3, a4;
socklen_t namelen;
struct sockaddr_in localsock;
if (epsvall) {
control_printf(SL_FAILURE, "500 EPSV ALL has been called.");
return;
}
pasvsock = socket(AF_INET, SOCK_STREAM, 0);
sa.sin_addr.s_addr = INADDR_ANY;
sa.sin_family = AF_INET;
if (!config_getoption("PASSIVE_PORTS") || !strlen(config_getoption("PASSIVE_PORTS"))) {
/* bind to any port */
sa.sin_port = 0;
if (bind(pasvsock, (struct sockaddr *) &sa, sizeof(sa)) == -1) {
control_printf(SL_FAILURE, "425-Error: Unable to bind data socket.\r\n425 %s", strerror(errno));
return;
}
} else {
int i = 0, success = 0, port;
for (;;) {
port = int_from_list(config_getoption("PASSIVE_PORTS"), i++);
if (port < 0)
break;
sa.sin_port = htons(port);
if (bind(pasvsock, (struct sockaddr *) &sa, sizeof(sa)) == 0) {
success = 1;
#ifdef DEBUG
// bftpd_log("Passive mode: Successfully bound port %d\n", port);
#endif
break;
}
}
if (!success) {
control_printf(SL_FAILURE, "425 Error: Unable to bind data socket.");
return;
}
prepare_sock(pasvsock);
}
if (listen(pasvsock, 1)) {
control_printf(SL_FAILURE, "425-Error: Unable to make socket listen.\r\n425 %s",
strerror(errno));
return;
}
namelen = sizeof(localsock);
getsockname(pasvsock, (struct sockaddr *) &localsock, (int *) &namelen);
sscanf((char *) inet_ntoa(name.sin_addr), "%i.%i.%i.%i",
&a1, &a2, &a3, &a4);
control_printf(SL_SUCCESS, "227 Entering Passive Mode (%i,%i,%i,%i,%i,%i)", a1, a2, a3, a4,
ntohs(localsock.sin_port) >> 8, ntohs(localsock.sin_port) & 0xFF);
pasv = 1;
}
int main(int argc, char **argv)
{
char read_tty[TTY_LEN] = { 0 };
int ip_version;
int socket_domain = AF_UNSPEC;
char cmd[COMMAND_LEN] = { 0 };
/* Open the error log file */
error_file = fopen(error_log_file, "a+");
if (!error_file) {
printf("Error: Unable to open log file - %m\n");
return 1;
}
/* Register actions upon interrupts */
register_kill();
/* Parse the user input */
if (!parse_user_input(argc, argv, read_tty, sizeof(read_tty), &ip_version)) {
return 2;
}
snprintf(cmd, sizeof(cmd), "%s %s", uS_console, "connect");
if (system(cmd) == -1) {
errlog("Error: Unable to connect to the micro-server\n");
return 3;
}
/* Create a socket to communicate with the netcons server */
socket_domain = (ip_version == IPV4) ? AF_INET : AF_INET6;
fd_soc = socket(socket_domain, SOCK_DGRAM, 0);
if (fd_soc == -1) {
errlog("Error: Socket creation failed - %m\n");
return 4;
}
if (ip_version == IPV4) { /* IPv4 */
struct sockaddr_in tgt_addr;
if (!prepare_sock(&tgt_addr)) {
close(fd_soc);
errlog("Error: Socket not valid\n");
return 5;
}
if (connect(fd_soc, (struct sockaddr *)&tgt_addr, sizeof(tgt_addr)) == -1) {
close(fd_soc);
errlog("Error: Socket connection failed - %m\n");
return 6;
}
} else { /* IPv6 */
struct sockaddr_in6 tgt_addr6;
if (!prepare_sock6(&tgt_addr6)) {
close(fd_soc);
errlog("Error: Socket not valid\n");
return 5;
}
if (connect(fd_soc, (struct sockaddr *)&tgt_addr6, sizeof(tgt_addr6)) == -1) {
close(fd_soc);
errlog("Error: Socket connection failed - %m\n");
return 6;
}
}
/* TTY Operations */
if ((fd_tty = open(read_tty, O_RDWR | O_NOCTTY | O_NDELAY | O_NONBLOCK)) == -1) {
close(fd_soc);
errlog("Error: Serial Port %s open failed - %m\n", read_tty);
return 7;
}
if (!set_tty(fd_tty)) {
errlog("Error: tty not set properly\n");
cleanup();
return 8;
}
/* Read, prepare and send the logs */
if (!read_send(fd_tty, fd_soc)) {
errlog("Error: Sending logs failed\n");
cleanup();
return 9;
}
cleanup();
return 0;
}
