static int
getstreamsocket(int family, char *errbuf, size_t errbufsize)
{
int fd, optval, r;
fd = netSocket(family, SOCK_STREAM, IPPROTO_TCP);
if(fd < 0) {
snprintf(errbuf, errbufsize, "Unable to create socket: %s",
strerror(net_errno));
return -1;
}
/**
* Switch to nonblocking
*/
optval = 1;
r = netSetSockOpt(fd, SOL_SOCKET, SO_NBIO, &optval, sizeof(optval));
if(r < 0) {
snprintf(errbuf, errbufsize, "Unable to go nonblocking: %s",
strerror(net_errno));
netClose(fd);
return -1;
}
return fd;
}
void
tcp_close(tcpcon_t *tc)
{
#if ENABLE_POLARSSL
if(tc->ssl != NULL) {
ssl_close_notify(tc->ssl);
ssl_free(tc->ssl);
free(tc->ssl);
free(tc->ssn);
free(tc->hs);
}
#endif
htsbuf_queue_flush(&tc->spill);
netClose(tc->fd);
free(tc);
}
tcpcon_t *
tcp_connect(const char *hostname, int port, char *errbuf, size_t errbufsize,
int timeout, int ssl)
{
struct net_hostent *hp;
char *tmphstbuf;
int fd, r, err, herr, optval;
const char *errtxt;
struct sockaddr_in in;
socklen_t errlen = sizeof(int);
if(!strcmp(hostname, "localhost")) {
if((fd = getstreamsocket(AF_INET, errbuf, errbufsize)) == -1)
return NULL;
memset(&in, 0, sizeof(in));
in.sin_family = AF_INET;
in.sin_port = htons(port);
in.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
r = netConnect(fd, (struct sockaddr *)&in, sizeof(struct sockaddr_in));
} else {
herr = 0;
tmphstbuf = NULL; /* free NULL is a nop */
hp = netGetHostByName(hostname);
if(hp == NULL)
herr = h_errno;
if(herr != 0) {
switch(herr) {
case HOST_NOT_FOUND:
errtxt = "Unknown host";
break;
case NO_ADDRESS:
errtxt = "The requested name is valid but does not have an IP address";
break;
case NO_RECOVERY:
errtxt = "A non-recoverable name server error occurred";
break;
case TRY_AGAIN:
errtxt = "A temporary error occurred on an authoritative name server";
break;
default:
errtxt = "Unknown error";
break;
}
snprintf(errbuf, errbufsize, "%s", errtxt);
free(tmphstbuf);
return NULL;
} else if(hp == NULL) {
snprintf(errbuf, errbufsize, "Resolver internal error");
free(tmphstbuf);
return NULL;
}
if((fd = getstreamsocket(hp->h_addrtype, errbuf, errbufsize)) == -1) {
free(tmphstbuf);
return NULL;
}
switch(hp->h_addrtype) {
case AF_INET:
memset(&in, 0, sizeof(in));
in.sin_family = AF_INET;
in.sin_port = htons(port);
lv2_void* netaddrlist = (lv2_void*)(u64)hp->h_addr_list;
memcpy(&in.sin_addr, (char*)(u64)netaddrlist[0], sizeof(struct in_addr));
r = netConnect(fd, (struct sockaddr *)&in, sizeof(struct sockaddr_in));
break;
default:
snprintf(errbuf, errbufsize, "Invalid protocol family");
free(tmphstbuf);
return NULL;
}
free(tmphstbuf);
}
if(r < 0) {
if(net_errno == NET_EINPROGRESS) {
struct pollfd pfd;
pfd.fd = fd;
pfd.events = POLLOUT;
pfd.revents = 0;
r = netPoll(&pfd, 1, timeout);
if(r == 0) {
/* Timeout */
snprintf(errbuf, errbufsize, "Connection attempt timed out");
netClose(fd);
return NULL;
}
if(r == -1) {
snprintf(errbuf, errbufsize, "poll() error: %s",
strerror(net_errno));
netClose(fd);
return NULL;
}
netGetSockOpt(fd, SOL_SOCKET, SO_ERROR, (void *)&err, &errlen);
} else {
err = net_errno;
}
} else {
err = 0;
}
if(err != 0) {
snprintf(errbuf, errbufsize, "%s", strerror(err));
netClose(fd);
return NULL;
}
optval = 0;
r = netSetSockOpt(fd, SOL_SOCKET, SO_NBIO, &optval, sizeof(optval));
if(r < 0) {
snprintf(errbuf, errbufsize, "Unable to go blocking: %s",
strerror(net_errno));
netClose(fd);
return NULL;
}
tcpcon_t *tc = calloc(1, sizeof(tcpcon_t));
tc->fd = fd;
htsbuf_queue_init(&tc->spill, 0);
if(ssl) {
#if ENABLE_POLARSSL
if(1) {
tc->ssl = malloc(sizeof(ssl_context));
if(ssl_init(tc->ssl)) {
snprintf(errbuf, errlen, "SSL failed to initialize");
close(fd);
free(tc->ssl);
free(tc);
return NULL;
}
tc->ssn = malloc(sizeof(ssl_session));
tc->hs = malloc(sizeof(havege_state));
havege_init(tc->hs);
memset(tc->ssn, 0, sizeof(ssl_session));
ssl_set_endpoint(tc->ssl, SSL_IS_CLIENT );
ssl_set_authmode(tc->ssl, SSL_VERIFY_NONE );
ssl_set_rng(tc->ssl, havege_rand, tc->hs );
ssl_set_bio(tc->ssl, net_recv, &tc->fd, net_send, &tc->fd);
ssl_set_ciphers(tc->ssl, ssl_default_ciphers );
ssl_set_session(tc->ssl, 1, 600, tc->ssn );
tc->read = polarssl_read;
tc->write = polarssl_write;
} else
#endif
{
snprintf(errbuf, errlen, "SSL not supported");
tcp_close(tc);
return NULL;
}
} else {
tc->read = tcp_read;
tc->write = tcp_write;
}
return tc;
}
static void handleclient(u64 conn_s_p)
{
// todo: clean up
int conn_s = (int)conn_s_p;
int list_s_data = -1;
int conn_s_data = -1;
int datareq = 0;
char cwd[256];
char rnfr[256];
char filename[256];
char user[32];
u32 rest = 0;
int authd = 0;
int active = 1;
Lv2FsFile tempfd;
char buf[BUFFER_SIZE];
char buffer[1024];
char client_cmd[8][128];
ssize_t bytes;
#if LOGIN_CHECK == 1
// load password file
char passwordcheck[33];
// check if password file exists - if not, use default password
if(exists(PASSWORD_FPATH) == 0)
{
Lv2FsFile fd;
u64 read;
lv2FsOpen(PASSWORD_FPATH, LV2_O_RDONLY, &fd, 0, NULL, 0);
lv2FsRead(fd, passwordcheck, 32, &read);
lv2FsClose(fd);
if(strlen(passwordcheck) != 32)
{
strcpy(passwordcheck, LOGIN_PASSWORD);
}
}
else
{
strcpy(passwordcheck, LOGIN_PASSWORD);
}
#endif
// start directory
strcpy(cwd, "/");
// welcome message
swritel(conn_s, "220-OpenPS3FTP by @jjolano\r\n");
sprintf(buffer, "220 Version %s\r\n", VERSION);
swritel(conn_s, buffer);
while(exitapp == 0 && active && (bytes = sreadl(conn_s, buffer, 1024)) > 0)
{
// get rid of the newline at the end of the string
buffer[strcspn(buffer, "\n")] = '\0';
buffer[strcspn(buffer, "\r")] = '\0';
// parse received string into array
int parameter_count = 0;
char *result = strtok(buffer, " ");
strcpy(client_cmd[0], result);
while(parameter_count < 7 && (result = strtok(NULL, " ")) != NULL)
{
parameter_count++;
strcpy(client_cmd[parameter_count], result);
}
// identify the command
int cmd_id;
for(cmd_id = 0; cmd_id < client_cmds_count; cmd_id++)
{
if(strcasecmp(client_cmd[0], client_cmds[cmd_id]) == 0)
{
break;
}
}
// execute command
if(authd == 0)
{
// not logged in
switch(cmd_id)
{
case 0: // USER
#if LOGIN_CHECK == 1
if(parameter_count >= 1)
{
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
strcpy(user, client_cmd[1]);
sprintf(buffer, "331 User %s OK. Password required\r\n", user);
swritel(conn_s, buffer);
}
else
{
swritel(conn_s, "501 Please provide a username\r\n");
}
#else
sprintf(buffer, "331 User %s OK. Password (not really) required\r\n", user);
swritel(conn_s, buffer);
#endif
break;
case 1: // PASS
#if LOGIN_CHECK == 1
if(parameter_count >= 1)
{
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
// hash the password given
char output[33];
md5(output, client_cmd[1]);
if(strcmp(user, LOGIN_USERNAME) == 0 && strcmp(output, passwordcheck) == 0)
{
swritel(conn_s, "230 Successful authentication\r\n");
authd = 1;
}
else
{
swritel(conn_s, "430 Invalid username or password - \r\n");
}
}
else
{
swritel(conn_s, "501 Invalid username or password\r\n");
}
#else
swritel(conn_s, "230 Successful authentication\r\n");
authd = 1;
#endif
break;
case 2: // QUIT
swritel(conn_s, "221 See you later\r\n");
active = 0;
break;
default: swritel(conn_s, "530 You are not logged in\r\n");
}
}
else
{
// logged in
switch(cmd_id)
{
case 0: // USER
case 1: // PASS
swritel(conn_s, "530 You are already logged in\r\n");
break;
case 2: // QUIT
swritel(conn_s, "221 See you later\r\n");
active = 0;
break;
case 3: // PASV
rest = 0;
netSocketInfo snf;
int ret = netGetSockInfo(conn_s, &snf, 1);
if(ret >= 0 && snf.local_adr.s_addr != 0)
{
// assign a random port for passive mode
srand(conn_s);
int rand1 = (rand() % 251) + 4;
int rand2 = rand() % 256;
sprintf(buffer, "227 Entering Passive Mode (%u,%u,%u,%u,%i,%i)\r\n",
(snf.local_adr.s_addr & 0xFF000000) >> 24,
(snf.local_adr.s_addr & 0xFF0000) >> 16,
(snf.local_adr.s_addr & 0xFF00) >> 8,
(snf.local_adr.s_addr & 0xFF),
rand1, rand2);
short int pasvport = (rand1 * 256) + rand2;
struct sockaddr_in servaddr;
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
servaddr.sin_port = htons(pasvport);
list_s_data = netSocket(AF_INET, SOCK_STREAM, 0);
netBind(list_s_data, (struct sockaddr *) &servaddr, sizeof(servaddr));
netListen(list_s_data, 1);
swritel(conn_s, buffer);
if((conn_s_data = netAccept(list_s_data, NULL, NULL)) == -1)
{
swritel(conn_s, "550 PASV command failed\r\n");
}
else
{
datareq = 1;
}
break;
}
swritel(conn_s, "550 PASV command failed\r\n");
break;
case 4: // PORT
if(parameter_count == 1)
{
rest = 0;
char connectinfo[32];
strcpy(connectinfo, client_cmd[1]);
char data[7][4];
int i = 0;
char *result = strtok(connectinfo, ",");
strcpy(data[0], result);
while(i < 6 && (result = strtok(NULL, ",")) != NULL)
{
i++;
strcpy(data[i], result);
}
char conn_ipaddr[16];
sprintf(conn_ipaddr, "%s.%s.%s.%s", data[0], data[1], data[2], data[3]);
struct sockaddr_in servaddr;
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons((atoi(data[4]) * 256) + atoi(data[5]));
inet_pton(AF_INET, conn_ipaddr, &servaddr.sin_addr);
conn_s_data = netSocket(AF_INET, SOCK_STREAM, 0);
if(connect(conn_s_data, (struct sockaddr *)&servaddr, sizeof(servaddr)) == 0)
{
swritel(conn_s, "200 PORT command successful\r\n");
datareq = 1;
}
else
{
swritel(conn_s, "550 PORT command failed\r\n");
}
}
else
{
swritel(conn_s, "501 Syntax error\r\n");
}
break;
case 5: // SITE
if(strcasecmp(client_cmd[1], "CHMOD") == 0)
{
int i;
for(i = 4; i <= parameter_count; i++)
{
strcat(client_cmd[3], " ");
strcat(client_cmd[3], client_cmd[i]);
}
absPath(filename, client_cmd[3], cwd);
char perms[4];
sprintf(perms, "0%s", client_cmd[2]);
if(lv2FsChmod(filename, S_IFMT | strtol(perms, NULL, 8)) == 0)
{
swritel(conn_s, "250 File permissions successfully set\r\n");
}
else
{
swritel(conn_s, "550 Failed to set file permissions\r\n");
}
}
else
{
swritel(conn_s, "500 Unrecognized SITE command\r\n");
}
break;
case 6: // FEAT
swritel(conn_s, "211- Extensions supported:\r\n");
int i;
for(i = 0; i < feat_cmds_count; i++)
{
sprintf(buffer, " %s\r\n", feat_cmds[i]);
swritel(conn_s, buffer);
}
swritel(conn_s, "211 End.\r\n");
break;
case 7: // TYPE
swritel(conn_s, "200 TYPE command successful\r\n");
break;
case 8: // REST
if(parameter_count == 1)
{
rest = atoi(client_cmd[1]);
swritel(conn_s, "350 REST command successful\r\n");
}
else
{
swritel(conn_s, "501 Syntax error\r\n");
}
break;
case 9: // RETR
if(parameter_count >= 1)
{
if(conn_s_data == -1)
{
swritel(conn_s, "425 No data connection\r\n");
break;
}
swritel(conn_s, "150 Opening data connection\r\n");
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
absPath(filename, client_cmd[1], cwd);
u64 pos;
u64 read = -1;
Lv2FsFile fd;
lv2FsOpen(filename, LV2_O_RDONLY, &fd, 0, NULL, 0);
lv2FsLSeek64(fd, (s64)rest, SEEK_SET, &pos);
if(fd >= 0)
{
while(lv2FsRead(fd, buf, BUFFER_SIZE - 1, &read) == 0 && read > 0)
{
netSend(conn_s_data, buf, read, 0);
}
if(read == 0)
{
swritel(conn_s, "226 Transfer complete\r\n");
}
else
{
swritel(conn_s, "426 Transfer failed\r\n");
}
}
else
{
swritel(conn_s, "452 File access error\r\n");
}
lv2FsClose(fd);
}
else
{
swritel(conn_s, "501 Syntax error\r\n");
}
break;
case 10: // PWD
sprintf(buffer, "257 \"%s\" is the current directory\r\n", cwd);
swritel(conn_s, buffer);
break;
case 11: // CWD
if(parameter_count >= 1)
{
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
strcpy(filename, client_cmd[1]);
if(strcmp(filename, "../") == 0)
{
for(int i = strlen(cwd) - 2; i > 0; i--)
{
if(cwd[i] != '/')
{
cwd[i] = '\0';
}
else
{
break;
}
}
sprintf(buffer, "250 Directory change successful: %s\r\n", cwd);
swritel(conn_s, buffer);
break;
}
if(filename[0] == '/')
{
strcpy(cwd, (strlen(filename) == 1) ? "/" : filename);
}
else
{
strcat(cwd, filename);
}
if(cwd[strlen(cwd) - 1] != '/')
{
strcat(cwd, "/");
}
if(isDir(cwd))
{
sprintf(buffer, "250 Directory change successful: %s\r\n", cwd);
}
else
{
sprintf(buffer, "550 Could not change directory: %s\r\n", cwd);
}
swritel(conn_s, buffer);
}
else
{
sprintf(buffer, "257 \"%s\" is the current directory\r\n", cwd);
swritel(conn_s, buffer);
}
break;
case 12: // CDUP
for(int i = strlen(cwd) - 2; i > 0; i--)
{
if(cwd[i] != '/')
{
cwd[i] = '\0';
}
else
{
break;
}
}
sprintf(buffer, "250 Directory change successful: %s\r\n", cwd);
swritel(conn_s, buffer);
break;
case 13: // NLST
if(conn_s_data == -1)
{
swritel(conn_s, "425 No data connection\r\n");
break;
}
swritel(conn_s, "150 Opening data connection\r\n");
if(parameter_count >= 1)
{
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
absPath(filename, client_cmd[1], cwd);
}
else
{
strcpy(filename, cwd);
}
if(lv2FsOpenDir(filename, &tempfd) == 0)
{
u64 read;
Lv2FsDirent ent;
while(lv2FsReadDir(tempfd, &ent, &read) == 0 && read != 0)
{
sprintf(buffer, "%s\r\n", ent.d_name);
swritel(conn_s_data, buffer);
}
swritel(conn_s, "226 Transfer complete\r\n");
}
else
{
swritel(conn_s, "451 Cannot access directory\r\n");
}
lv2FsCloseDir(tempfd);
break;
case 14: // LIST
if(conn_s_data == -1)
{
swritel(conn_s, "425 No data connection\r\n");
break;
}
swritel(conn_s, "150 Opening data connection\r\n");
if(parameter_count >= 1)
{
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
absPath(filename, client_cmd[1], cwd);
}
else
{
strcpy(filename, cwd);
}
if(lv2FsOpenDir(filename, &tempfd) == 0)
{
u64 read;
Lv2FsDirent ent;
while(lv2FsReadDir(tempfd, &ent, &read) == 0 && read != 0)
{
sprintf(filename, "%s%s", cwd, ent.d_name);
Lv2FsStat entry;
lv2FsStat(filename, &entry);
struct tm *tm;
char timebuf[32];
tm = localtime(&entry.st_mtime);
strftime(timebuf, 31, "%b %d %Y", tm);
sprintf(buffer, "%s%s%s%s%s%s%s%s%s%s 1 root root %lu %s %s\r\n",
((entry.st_mode & S_IFDIR) != 0)?"d":"-",
((entry.st_mode & S_IRUSR) != 0)?"r":"-",
((entry.st_mode & S_IWUSR) != 0)?"w":"-",
((entry.st_mode & S_IXUSR) != 0)?"x":"-",
((entry.st_mode & S_IRGRP) != 0)?"r":"-",
((entry.st_mode & S_IWGRP) != 0)?"w":"-",
((entry.st_mode & S_IXGRP) != 0)?"x":"-",
((entry.st_mode & S_IROTH) != 0)?"r":"-",
((entry.st_mode & S_IWOTH) != 0)?"w":"-",
((entry.st_mode & S_IXOTH) != 0)?"x":"-",
(long unsigned int)entry.st_size,
timebuf,
ent.d_name);
swritel(conn_s_data, buffer);
}
swritel(conn_s, "226 Transfer complete\r\n");
}
else
{
swritel(conn_s, "451 Cannot access directory\r\n");
}
lv2FsCloseDir(tempfd);
break;
case 15: // STOR
if(parameter_count >= 1)
{
if(conn_s_data == -1)
{
swritel(conn_s, "425 No data connection\r\n");
break;
}
swritel(conn_s, "150 Opening data connection\r\n");
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
absPath(filename, client_cmd[1], cwd);
u64 pos;
u64 read = -1;
u64 write = -1;
Lv2FsFile fd;
lv2FsOpen(filename, LV2_O_WRONLY | LV2_O_CREAT, &fd, 0, NULL, 0);
lv2FsChmod(filename, S_IFMT | 0666);
lv2FsLSeek64(fd, (s32)rest, SEEK_SET, &pos);
if(fd >= 0)
{
while((read = (u64)netRecv(conn_s_data, buf, BUFFER_SIZE - 1, MSG_WAITALL)) > 0)
{
lv2FsWrite(fd, buf, read, &write);
if(write != read)
{
break;
}
}
if(read == 0)
{
swritel(conn_s, "226 Transfer complete\r\n");
}
else
{
swritel(conn_s, "426 Transfer failed\r\n");
}
}
else
{
swritel(conn_s, "452 File access error\r\n");
}
lv2FsClose(fd);
}
else
{
swritel(conn_s, "501 Syntax error\r\n");
}
break;
case 16: // NOOP
swritel(conn_s, "200 Zzzz...\r\n");
break;
case 17: // DELE
if(parameter_count >= 1)
{
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
absPath(filename, client_cmd[1], cwd);
if(lv2FsUnlink(filename) == 0)
{
swritel(conn_s, "250 File successfully deleted\r\n");
}
else
{
swritel(conn_s, "550 Failed to delete file\r\n");
}
}
else
{
swritel(conn_s, "501 Syntax error\r\n");
}
break;
case 18: // MKD
if(parameter_count >= 1)
{
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
absPath(filename, client_cmd[1], cwd);
if(lv2FsMkdir(filename, 0775) == 0)
{
swritel(conn_s, "250 Directory successfully created\r\n");
}
else
{
swritel(conn_s, "550 Failed to create directory\r\n");
}
}
else
{
swritel(conn_s, "501 Syntax error\r\n");
}
break;
case 19: // RMD
if(parameter_count >= 1)
{
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
absPath(filename, client_cmd[1], cwd);
if(lv2FsRmdir(filename) == 0)
{
swritel(conn_s, "250 Directory successfully deleted\r\n");
}
else
{
swritel(conn_s, "550 Failed to remove directory\r\n");
}
}
else
{
swritel(conn_s, "501 Syntax error\r\n");
}
break;
case 20: // RNFR
if(parameter_count >= 1)
{
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
absPath(rnfr, client_cmd[1], cwd);
if(exists(rnfr) == 0)
{
swritel(conn_s, "350 RNFR successful - ready for destination\r\n");
}
else
{
swritel(conn_s, "550 RNFR failed - file does not exist\r\n");
}
}
else
{
swritel(conn_s, "501 Syntax error\r\n");
}
break;
case 21: // RNTO
if(parameter_count >= 1)
{
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
absPath(filename, client_cmd[1], cwd);
if(lv2FsRename(rnfr, filename) == 0)
{
swritel(conn_s, "250 File successfully renamed\r\n");
}
else
{
swritel(conn_s, "550 Failed to rename file\r\n");
}
}
else
{
swritel(conn_s, "501 Syntax error\r\n");
}
break;
case 22: // SIZE
if(parameter_count >= 1)
{
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
absPath(filename, client_cmd[1], cwd);
Lv2FsStat entry;
if(lv2FsStat(filename, &entry) == 0)
{
sprintf(buffer, "213 %lu\r\n", (long unsigned int)entry.st_size);
}
else
{
sprintf(buffer, "550 Requested file doesn't exist\r\n");
}
swritel(conn_s, buffer);
}
else
{
swritel(conn_s, "501 Syntax error\r\n");
}
break;
case 23: // SYST
swritel(conn_s, "215 UNIX Type: L8\r\n");
break;
case 24: // HELP
swritel(conn_s, "214 No help for you.\r\n");
break;
case 25: // PASSWD
if(parameter_count >= 1)
{
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
// hash the password given
char output[33];
md5(output, client_cmd[1]);
Lv2FsFile fd;
u64 written;
lv2FsOpen(PASSWORD_FPATH, LV2_O_WRONLY | LV2_O_CREAT, &fd, 0, NULL, 0);
lv2FsWrite(fd, output, 32, &written);
lv2FsClose(fd);
swritel(conn_s, "200 Password successfully changed\r\n");
}
else
{
swritel(conn_s, "501 Invalid password\r\n");
}
break;
case 26: // MLSD
if(conn_s_data == -1)
{
swritel(conn_s, "425 No data connection\r\n");
break;
}
swritel(conn_s, "150 Opening data connection\r\n");
if(parameter_count >= 1)
{
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
absPath(filename, client_cmd[1], cwd);
}
else
{
strcpy(filename, cwd);
}
if(lv2FsOpenDir(filename, &tempfd) == 0)
{
u64 read;
Lv2FsDirent ent;
while(lv2FsReadDir(tempfd, &ent, &read) == 0 && read != 0)
{
sprintf(filename, "%s%s", cwd, ent.d_name);
Lv2FsStat entry;
lv2FsStat(filename, &entry);
struct tm *tm;
char timebuf[32];
tm = localtime(&entry.st_mtime);
strftime(timebuf, 31, "%Y%m%d%H%M%S", tm);
int permint = 0;
permint += (((entry.st_mode & S_IRUSR) != 0)?400:0) +
(((entry.st_mode & S_IWUSR) != 0)?200:0) +
(((entry.st_mode & S_IXUSR) != 0)?100:0);
permint += (((entry.st_mode & S_IRGRP) != 0)?40:0) +
(((entry.st_mode & S_IWGRP) != 0)?20:0) +
(((entry.st_mode & S_IXGRP) != 0)?10:0);
permint += (((entry.st_mode & S_IROTH) != 0)?4:0) +
(((entry.st_mode & S_IWOTH) != 0)?2:0) +
(((entry.st_mode & S_IXOTH) != 0)?1:0);
sprintf(buffer, "type=%s;size=%lu;modify=%s;UNIX.mode=0%i;UNIX.uid=root;UNIX.gid=root; %s\r\n",
((entry.st_mode & S_IFDIR) != 0)?"dir":"file",
(long unsigned int)entry.st_size,
timebuf,
permint,
ent.d_name);
swritel(conn_s_data, buffer);
}
swritel(conn_s, "226 Transfer complete\r\n");
}
else
{
swritel(conn_s, "501 Directory access error\r\n");
}
lv2FsCloseDir(tempfd);
break;
case 27: // MLST
swritel(conn_s, "250- Listing directory");
if(parameter_count >= 1)
{
int i;
for(i = 2; i <= parameter_count; i++)
{
strcat(client_cmd[1], " ");
strcat(client_cmd[1], client_cmd[i]);
}
absPath(filename, client_cmd[1], cwd);
}
else
{
strcpy(filename, cwd);
}
if(lv2FsOpenDir(filename, &tempfd) == 0)
{
u64 read;
Lv2FsDirent ent;
while(lv2FsReadDir(tempfd, &ent, &read) == 0 && read != 0)
{
sprintf(filename, "%s%s", cwd, ent.d_name);
Lv2FsStat entry;
lv2FsStat(filename, &entry);
struct tm *tm;
char timebuf[32];
tm = localtime(&entry.st_mtime);
strftime(timebuf, 31, "%Y%m%d%H%M%S", tm);
int permint = 0;
permint += (((entry.st_mode & S_IRUSR) != 0)?400:0) +
(((entry.st_mode & S_IWUSR) != 0)?200:0) +
(((entry.st_mode & S_IXUSR) != 0)?100:0);
permint += (((entry.st_mode & S_IRGRP) != 0)?40:0) +
(((entry.st_mode & S_IWGRP) != 0)?20:0) +
(((entry.st_mode & S_IXGRP) != 0)?10:0);
permint += (((entry.st_mode & S_IROTH) != 0)?4:0) +
(((entry.st_mode & S_IWOTH) != 0)?2:0) +
(((entry.st_mode & S_IXOTH) != 0)?1:0);
sprintf(buffer, " type=%s;size=%lu;modify=%s;UNIX.mode=0%i;UNIX.uid=root;UNIX.gid=root; %s\r\n",
((entry.st_mode & S_IFDIR) != 0)?"dir":"file",
(long unsigned int)entry.st_size,
timebuf,
permint,
ent.d_name);
swritel(conn_s, buffer);
}
}
swritel(conn_s, "250 End\r\n");
lv2FsCloseDir(tempfd);
break;
case 28: // EXITAPP
swritel(conn_s, "221 Exiting OpenPS3FTP, bye\r\n");
exitapp = 1;
break;
case 29: // TEST
swritel(conn_s, "211-Listing parameters\r\n");
sprintf(buffer, "211-Count: %i\r\n", parameter_count);
swritel(conn_s, buffer);
int tx;
for(tx = 0; tx <= parameter_count; tx++)
{
sprintf(buffer, " %i:%s\r\n", tx, client_cmd[tx]);
swritel(conn_s, buffer);
}
swritel(conn_s, "211 End\r\n");
break;
default: swritel(conn_s, "500 Unrecognized command\r\n");
}
if(datareq == 1)
{
datareq = 0;
}
else
{
// close any active data connections
if(conn_s_data > -1)
{
netShutdown(conn_s_data, 2);
netClose(conn_s_data);
conn_s_data = -1;
}
if(list_s_data > -1)
{
netShutdown(list_s_data, 2);
netClose(list_s_data);
list_s_data = -1;
}
}
}
}
static void handleclient(u64 conn_s_p)
{
int conn_s = (int)conn_s_p;
int list_s_data = -1;
int conn_s_data = -1;
char cwd[2048];
char login_user[32];
char login_pass[64];
char rename_from[2048];
u32 rest = 0;
int authd = 0;
char message[4096];
char buffer[2048];
sprintf(cwd, "/");
sprintf(message, "220-OpenPS3FTP by @jjolano\r\n");
Writeline(conn_s, message, strlen(message));
sprintf(message, "220 Version %s\r\n", VERSION);
Writeline(conn_s, message, strlen(message));
while(program_running == 1)
{
sys_ppu_thread_yield();
if(Readline(conn_s, buffer, 2047) == 0 || strncmp(buffer, "QUIT", 4) == 0 || strncmp(buffer, "BYE", 3) == 0)
{
break;
}
buffer[strcspn(buffer, "\n")] = '\0';
buffer[strcspn(buffer, "\r")] = '\0';
if(strncmp(buffer, "USER", 4) == 0)
{
if(strlen(buffer) > 7)
{
strcpy(login_user, buffer+5);
sprintf(message, "331 Username %s OK. Password required\r\n", login_user);
Writeline(conn_s, message, strlen(message));
}
else
{
sprintf(message, "430 No username specified\r\n");
Writeline(conn_s, message, strlen(message));
}
}
else if(strncmp(buffer, "PASS", 4) == 0)
{
if(strlen(buffer) > 7)
{
strcpy(login_pass, buffer+5);
if(strcmp(LOGIN_USERNAME, login_user) == 0 && strcmp(LOGIN_PASSWORD, login_pass) == 0)
{
authd = 1;
sprintf(message, "230 Successful authentication\r\n");
}
else
{
sprintf(message, "430 Invalid username or password\r\n");
Writeline(conn_s, message, strlen(message));
}
}
else
{
sprintf(message, "430 Invalid username or password\r\n");
}
Writeline(conn_s, message, strlen(message));
}
else if(authd == 0)
{
sprintf(message, "530 Not logged in\r\n");
Writeline(conn_s, message, strlen(message));
}
else if(strncmp(buffer, "FEAT", 4) == 0)
{
sprintf(message, "211-Extensions supported:\r\n");
Writeline(conn_s, message, strlen(message));
sprintf(message, " SIZE\r\n");
Writeline(conn_s, message, strlen(message));
sprintf(message, " PASV\r\n");
Writeline(conn_s, message, strlen(message));
sprintf(message, "211 End\r\n");
Writeline(conn_s, message, strlen(message));
}
else if(strncmp(buffer, "TYPE", 4) == 0)
{
sprintf(message, "200 TYPE is now %s\r\n", buffer+5);
Writeline(conn_s, message, strlen(message));
}
else if(strncmp(buffer, "PORT", 4) == 0)
{
rest = 0;
char connectinfo[24];
strcpy(connectinfo, buffer+5);
char data[7][4];
int len = strlen(connectinfo);
int i, x = 0, y = 0;
for(i = 0;i < len;i++)
{
if(connectinfo[i] == ',')
{
data[x][y] = '\0';
x++;
y = 0;
}
else
{
data[x][y] = connectinfo[i];
y++;
}
}
char conn_ipaddr[16];
sprintf(conn_ipaddr, "%s.%s.%s.%s", data[0], data[1], data[2], data[3]);
int p1 = atoi(data[4]);
int p2 = atoi(data[5]);
short int conn_port = (p1 * 256) + p2;
netClose(conn_s_data);
netClose(list_s_data);
list_s_data = -1;
conn_s_data = netSocket(AF_INET, SOCK_STREAM, 0);
struct sockaddr_in servaddr;
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(conn_port);
inet_pton(AF_INET, conn_ipaddr, &servaddr.sin_addr);
if(connect(conn_s_data, (struct sockaddr *)&servaddr, sizeof(servaddr)) == 0)
{
sprintf(message, "200 PORT command successful\r\n");
Writeline(conn_s, message, strlen(message));
continue;
}
sprintf(message, "425 Internal Error\r\n");
Writeline(conn_s, message, strlen(message));
}
else if(strncmp(buffer, "PASV", 4) == 0)
{
rest = 0;
netSocketInfo snf;
int ret = netGetSockInfo(conn_s, &snf, 1);
if(ret >= 0 && snf.local_adr.s_addr != 0)
{
netClose(conn_s_data);
netClose(list_s_data);
conn_s_data = -1;
list_s_data = -1;
// create the socket
list_s_data = netSocket(AF_INET, SOCK_STREAM, 0);
// calculate the passive mode port
//srand((unsigned)time(NULL));
//srand((unsigned)time(NULL) + rand());
int rand1 = 4 + rand() % 255;
int rand2 = rand() % 256;
short int port = (rand1 * 256) + rand2;
struct sockaddr_in servaddr;
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
servaddr.sin_port = htons(port);
// bind address to listener, listen, and accept
netBind(list_s_data, (struct sockaddr *) &servaddr, sizeof(servaddr));
netListen(list_s_data, LISTENQ);
sprintf(message, "227 Entering Passive Mode (%u,%u,%u,%u,%i,%i)\r\n",
(snf.local_adr.s_addr & 0xFF000000) >> 24,
(snf.local_adr.s_addr & 0xFF0000) >> 16,
(snf.local_adr.s_addr & 0xFF00) >> 8,
(snf.local_adr.s_addr & 0xFF),
rand1, rand2);
Writeline(conn_s, message, strlen(message));
if((conn_s_data = netAccept(list_s_data, NULL, NULL)) < 0)
{
printf("warning: failed to accept a connection\n");
netClose(conn_s_data);
netClose(list_s_data);
conn_s_data = -1;
list_s_data = -1;
}
else
{
// PASV success
continue;
}
}
sprintf(message, "425 Internal Error\r\n");
Writeline(conn_s, message, strlen(message));
}