static int smb_connect( stream_t *p_access, const char *psz_login,
const char *psz_password, const char *psz_domain)
{
access_sys_t *p_sys = p_access->p_sys;
smb_session_set_creds( p_sys->p_session, psz_domain,
psz_login, psz_password );
if( smb_session_login( p_sys->p_session ) == DSM_SUCCESS )
{
if( p_sys->psz_share )
{
/* Connect to the share */
if( smb_tree_connect( p_sys->p_session, p_sys->psz_share,
&p_sys->i_tid ) != DSM_SUCCESS )
return VLC_EGENERIC;
/* Let's finally ask a handle to the file we wanna read ! */
return smb_fopen( p_sys->p_session, p_sys->i_tid, p_sys->psz_path,
SMB_MOD_RO, &p_sys->i_fd )
== DSM_SUCCESS ? VLC_SUCCESS : VLC_EGENERIC;
}
else
return VLC_SUCCESS;
}
else
return VLC_EGENERIC;
}
int main()
{
struct in_addr addr;
smb_session *session;
smb_tid tid;
smb_fd fd;
session = smb_session_new();
if (session == NULL)
exit(1);
inet_aton("127.0.0.1", &addr.sin_addr);
if (smb_session_connect(session, "MYNAME",
addr.sin_addr.s_addr, SMB_TRANSPORT_TCP))
{
printf("Unable to connect to host\n");
exit(2);
}
smb_session_set_creds(session, "MYNAME", "login",
"password");
if (smb_session_login(session))
{
if (session->guest)
printf("Logged in as GUEST \n");
else
printf("Successfully logged in\n");
}
else
{
printf("Auth failed\n");
exit(3);
}
tid = smb_tree_connect(session, "MyShare");
if (!tid)
{
printf("Unable to connect to share\n");
exit(4);
}
fd = smb_fopen(session, tid, "\\My\\File");
if (!fd)
{
printf("Unable to open file\n");
exit(5);
}
char buffer[512];
smb_fread(session, fd, buffer, 512);
/* Use data */
smb_fclose(session, fd);
smb_tree_disconnect(session, tid);
smb_session_destroy(session);
return(0);
}
static int smb_connect( access_t *p_access, const char *psz_login,
const char *psz_password, const char *psz_domain )
{
access_sys_t *p_sys = p_access->p_sys;
smb_session_set_creds( p_sys->p_session, psz_domain,
psz_login, psz_password );
if( smb_session_login( p_sys->p_session ) )
{
if( p_sys->psz_share )
{
/* Connect to the share */
p_sys->i_tid = smb_tree_connect( p_sys->p_session, p_sys->psz_share );
if( !p_sys->i_tid )
return VLC_EGENERIC;
/* Let's finally ask a handle to the file we wanna read ! */
p_sys->i_fd = smb_fopen( p_sys->p_session, p_sys->i_tid,
p_sys->psz_path, SMB_MOD_RO );
/* TODO: fix smb_fopen to return a specific error code in case of
* wrong permissions */
return p_sys->i_fd > 0 ? VLC_SUCCESS : VLC_EGENERIC;
}
else
return VLC_SUCCESS;
}
else
return VLC_EGENERIC;
}
/*****************************************************************************
* Open: Initialize module's data structures and libdsm
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
access_t *p_access = (access_t*)p_this;
access_sys_t *p_sys;
smb_stat st;
/* Init p_access */
access_InitFields( p_access );
p_sys = p_access->p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
if( p_access->p_sys == NULL )
return VLC_ENOMEM;
p_sys->p_ns = netbios_ns_new();
if( p_sys->p_ns == NULL )
goto error;
p_sys->p_session = smb_session_new();
if( p_sys->p_session == NULL )
goto error;
vlc_UrlParse( &p_sys->url, p_access->psz_location );
get_credentials( p_access );
if( get_address( p_access ) != VLC_SUCCESS )
goto error;
msg_Dbg( p_access, "Creds: username = %s, domain = %s",
p_sys->creds.login, p_sys->creds.domain );
msg_Dbg( p_access, "Session: Host name = %s, ip = %s", p_sys->netbios_name,
inet_ntoa( p_sys->addr ) );
/* Now that we have the required data, let's establish a session */
if( !smb_session_connect( p_sys->p_session, p_sys->netbios_name,
p_sys->addr.s_addr, SMB_TRANSPORT_TCP ) )
{
msg_Err( p_access, "Unable to connect/negotiate SMB session");
goto error;
}
get_path( p_access );
if( login( p_access ) != VLC_SUCCESS )
{
msg_Err( p_access, "Unable to connect to share %s", p_sys->psz_share );
goto error;
}
/* If there is no shares, browse them */
if( !p_sys->psz_share )
return BrowserInit( p_access );
msg_Dbg( p_access, "Path: Share name = %s, path = %s", p_sys->psz_share,
p_sys->psz_path );
/* Let's finally ask a handle to the file we wanna read ! */
p_sys->i_fd = smb_fopen( p_sys->p_session, p_sys->i_tid, p_sys->psz_path,
SMB_MOD_RO );
if( !p_sys->i_fd )
{
msg_Err( p_access, "Unable to open file with path %s (in share %s)",
p_sys->psz_path, p_sys->psz_share );
goto error;
}
st = smb_stat_fd( p_sys->p_session, p_sys->i_fd );
if( smb_stat_get( st, SMB_STAT_ISDIR ) )
{
smb_fclose( p_sys->p_session, p_sys->i_fd );
return BrowserInit( p_access );
}
msg_Dbg( p_access, "Successfully opened smb://%s", p_access->psz_location );
ACCESS_SET_CALLBACKS( Read, NULL, Control, Seek );
return VLC_SUCCESS;
error:
Close( p_this );
return VLC_EGENERIC;
}
// We should normally implement SCERPC and SRVSVC to perform a share list. But
// since these two protocols have no other use for us, we'll do it the trash way
// PS: Worst function _EVER_. I don't understand a bit myself
int smb_share_get_list(smb_session *s, smb_share_list *list, size_t *pcount)
{
smb_message *req, resp;
smb_trans_req trans;
smb_tid ipc_tid;
smb_fd srvscv_fd;
uint16_t rpc_len;
size_t res, frag_len_cursor;
ssize_t count;
int ret;
assert(s != NULL && list != NULL);
if(s != NULL && list != NULL) {
*list = NULL;
if ((ret = smb_tree_connect(s, "IPC$", &ipc_tid)) != DSM_SUCCESS)
return ret;
if ((ret = smb_fopen(s, ipc_tid, "\\srvsvc", SMB_MOD_READ | SMB_MOD_WRITE,
&srvscv_fd)) != DSM_SUCCESS)
return ret;
//// Phase 1:
// We bind a context or whatever for DCE/RPC
req = smb_message_new(SMD_CMD_TRANS);
if (!req)
{
ret = DSM_ERROR_GENERIC;
goto error;
}
req->packet->header.tid = ipc_tid;
rpc_len = 0xffff;
SMB_MSG_INIT_PKT(trans);
trans.wct = 16;
trans.total_data_count = 72;
trans.max_data_count = rpc_len;
trans.param_offset = 84;
trans.data_count = 72;
trans.data_offset = 84;
trans.setup_count = 2;
trans.pipe_function = 0x26;
trans.fid = SMB_FD_FID(srvscv_fd);
trans.bct = 89;
SMB_MSG_PUT_PKT(req, trans);
smb_message_put8(req, 0); // Padding
smb_message_put_utf16(req, "\\PIPE\\", strlen("\\PIPE\\") + 1);
smb_message_put16(req, 0); // Padding to be aligned with wtf boundary :-/
// Now we'll 'build' the DCE/RPC Packet. This basically a copycat
// from wireshark values.
smb_message_put8(req, 5); // version major
smb_message_put8(req, 0); // minor
smb_message_put8(req, 0x0b); // Packet type = 'bind'
smb_message_put8(req, 0x03); // Packet flags = ??
smb_message_put32(req, 0x10); // Representation = little endian/ASCII. Damn
smb_message_put16(req, 72); // Data len again
smb_message_put16(req, 0); // Auth len ?
smb_message_put32(req, 19); // Call ID ?
smb_message_put16(req, rpc_len); // Max Xmit size
smb_message_put16(req, rpc_len); // Max Recv size
smb_message_put32(req, 0); // Assoc group ?
smb_message_put32(req, 1); // Num Ctx Item
// Adding the CtxItem, whatever could that be
smb_message_put16(req, 0); // ContextID
smb_message_put16(req, 1); // Num Trans Item
// SRVSVC UUID
const uint8_t uuid_e[8] = {0x12, 0x78, 0x5a, 0x47, 0xbf, 0x6e, 0xe1, 0x88};
smb_message_put_uuid(req, 0x4b324fc8, 0x1670, 0x01d3, uuid_e);
smb_message_put16(req, 3); // Version
smb_message_put16(req, 0); // Minor
// Another UUID
const uint8_t uuid_e2[8] = {0x9f, 0xe8, 0x08, 0x00, 0x2b, 0x10, 0x48, 0x60};
smb_message_put_uuid(req, 0x8a885d04, 0x1ceb, 0x11c9, uuid_e2);
smb_message_put32(req, 2); // Another version
// Let's send this ugly pile of shit over the network !
res = smb_session_send_msg(s, req);
smb_message_destroy(req);
if (!res)
{
ret = DSM_ERROR_NETWORK;
goto error;
}
// Is the server throwing pile of shit back at me ?
res = smb_session_recv_msg(s, &resp);
if (!res || resp.packet->payload[68])
{
BDSM_dbg("Bind call failed: 0x%hhx (reason = 0x%hhx)\n",
resp.packet->payload[68], resp.packet->payload[70]);
ret = DSM_ERROR_NETWORK;
goto error;
}
//// Phase 2:
// Now we have the 'bind' done (regarless of what it is), we'll call
// NetShareEnumAll
req = smb_message_new(SMD_CMD_TRANS);
if (!req)
{
ret = DSM_ERROR_GENERIC;
goto error;
}
req->packet->header.tid = ipc_tid;
// this struct will be set at the end when we know the data size
SMB_MSG_ADVANCE_PKT(req, smb_trans_req);
smb_message_put8(req, 0); // Padding
smb_message_put_utf16(req, "\\PIPE\\", strlen("\\PIPE\\") + 1);
smb_message_put16(req, 0); // Padding
// Now we'll 'build' the DCE/RPC Packet. This basically a copycat
// from wireshark values.
smb_message_put8(req, 5); // version major
smb_message_put8(req, 0); // minor
smb_message_put8(req, 0); // Packet type = 'request'
smb_message_put8(req, 0x03); // Packet flags = ??
smb_message_put32(req, 0x10); // Representation = little endian/ASCII. Damn
// Let's save the cursor here to update that later
frag_len_cursor = req->cursor;
smb_message_put16(req, 0); // Data len again (frag length)
smb_message_put16(req, 0); // Auth len ?
smb_message_put32(req, 12); // Call ID ?
smb_message_put32(req, 64); // Alloc hint ?
smb_message_put16(req, 0); // Context ID ?
smb_message_put16(req, 15); // OpNum = NetShareEnumAll
// Pointer to server UNC
smb_message_put32(req, 0x00020000); // Referent ID ?
smb_message_put32(req, strlen(s->srv.name) + 1); // Max count
smb_message_put32(req, 0); // Offset
smb_message_put32(req, strlen(s->srv.name) + 1); // Actual count
// The server name, supposed to be downcased
smb_message_put_utf16(req, s->srv.name, strlen(s->srv.name) + 1);
if ((strlen(s->srv.name) % 2) == 0) // It won't be aligned with the terminating byte
smb_message_put16(req, 0);
smb_message_put32(req, 1); // Level 1 ?
smb_message_put32(req, 1); // Ctr ?
smb_message_put32(req, 0x00020004); // Referent ID ?
smb_message_put64(req, 0); // Count/Null Pointer to NetShareInfo1
smb_message_put32(req, 0xffffffff); // Max Buffer (0xffffffff required by smbX)
smb_message_put32(req, 0x00020008); // Referent ID ?
smb_message_put32(req, 0); // Resume ?
// fill trans pkt at the end since we know the size at the end
SMB_MSG_INIT_PKT(trans);
trans.wct = 16;
trans.max_data_count = 4280;
trans.setup_count = 2;
trans.pipe_function = 0x26; // TransactNmPipe;
trans.fid = SMB_FD_FID(srvscv_fd);
trans.bct = req->cursor - sizeof(smb_trans_req);
trans.data_count = trans.bct - 17; // 17 -> padding + \PIPE\ + padding
trans.total_data_count = trans.data_count;
trans.data_offset = 84;
trans.param_offset = 84;
// but insert it at the begining
SMB_MSG_INSERT_PKT(req, 0, trans);
req->packet->payload[frag_len_cursor] = trans.data_count; // (data_count SHOULD stay < 256)
// Let's send this ugly pile of shit over the network !
res = smb_session_send_msg(s, req);
smb_message_destroy(req);
if (!res)
{
ret = DSM_ERROR_NETWORK;
goto error;
}
// Is the server throwing pile of shit back at me ?
res = smb_session_recv_msg(s, &resp);
if (!res && (uint32_t)resp.packet->payload[resp.payload_size - 4])
{
BDSM_dbg("NetShareEnumAll call failed.\n");
ret = DSM_ERROR_NETWORK;
goto error;
}
//// Phase 3
// We parse the list of Share (finally !) and build function response
count = smb_share_parse_enum(&resp, list);
if (count == -1)
{
ret = DSM_ERROR_GENERIC;
goto error;
}
if (pcount != NULL)
*pcount = count;
ret = DSM_SUCCESS;
error:
// Close the pipe
smb_fclose(s, srvscv_fd);
return ret;
}
ret = DSM_ERROR_GENERIC;
}