int APP_CC xrdp_audit(struct xrdp_process *process, const char*action, const char* message) { // This sends an http 0.9 request, i.e. no headers char client_ip[256] = {0,}; char data[4096] = {0,}; char username[256] = {0,}; char device_name[256] = {0,}; char accesstoken[256] = {0,}; xrdp_mm_get_value(process->wm->mm, "osirium_account", username, 255); xrdp_mm_get_value(process->wm->mm, "device_name", device_name, 255); xrdp_mm_get_value(process->wm->mm, "accesstoken", accesstoken, 255); xrdp_mm_get_value(process->wm->mm, "client_ip_addr", client_ip, 255); if (username[0] == 0) { g_snprintf(username, 255, "%s", g_getenv("USER")); } if (device_name[0] == 0) { g_strcpy(device_name, "unknown"); } if (accesstoken[0] == 0) { g_strcpy(accesstoken, "unknown"); } g_snprintf(data, sizeof(data)-1, REQUEST_TEMPLATE, username, //process->wm->session->client_info->username,// username "rdp", // type device_name, //process->session->client_info->hostname, // devicename action, // action accesstoken, // accesstoken // process->server_trans->skt client_ip //process->session->client_info->hostname // client_ip ); g_writeln(data); fflush(stdout); // open socket int sck = g_tcp_socket(); fflush(stdout); if (g_tcp_connect(sck, AUDIT_ADDRESS, AUDIT_PORT) == 0) { // left as blocking socket !! fflush(stdout); // get url int sent = g_tcp_send(sck, data, g_strlen(data), 0); if ( g_tcp_can_recv(sck, 1000) > 0) // at most 1 second { // read response and ignore. int rlen = g_tcp_recv(sck, data, sizeof(data)-1, 0); } else { } fflush(stdout); // close socket g_tcp_close(sck); } }
/* returns error */ int APP_CC xrdp_tcp_recv(struct xrdp_tcp* self, struct stream* s, int len) { int rcvd; struct xrdp_session* session; if (self->sck_closed) { DEBUG((" in xrdp_tcp_recv, sck closed")); return 1; } DEBUG((" in xrdp_tcp_recv, gota get %d bytes", len)); session = self->iso_layer->mcs_layer->sec_layer->rdp_layer->session; init_stream(s, len); while (len > 0) { rcvd = g_tcp_recv(self->sck, s->end, len, 0); if (rcvd == -1) { if (g_tcp_last_error_would_block(self->sck)) { if (!g_tcp_can_recv(self->sck, 10)) { if (session->is_term != 0) { if (session->is_term()) { DEBUG((" out xrdp_tcp_recv, terminated")); return 1; } } } } else { self->sck_closed = 1; DEBUG((" error = -1 in xrdp_tcp_recv socket %d", self->sck)); return 1; } } else if (rcvd == 0) { self->sck_closed = 1; DEBUG((" error = 0 in xrdp_tcp_recv socket %d", self->sck)); return 1; } else { s->end += rcvd; len -= rcvd; } } DEBUG((" out xrdp_tcp_recv")); return 0; }
/* returns error */ int APP_CC rdp_tcp_recv(struct rdp_tcp *self, struct stream *s, int len) { int rcvd; DEBUG((" in rdp_tcp_recv gota get %d bytes on sck %d", len, self->sck)); if (self->sck_closed) { DEBUG((" out rdp_tcp_recv error sck closed")); return 1; } init_stream(s, len); while (len > 0) { rcvd = g_tcp_recv(self->sck, s->end, len, 0); if (rcvd == -1) { if (g_tcp_last_error_would_block(self->sck)) { g_tcp_can_recv(self->sck, 10); } else { self->sck_closed = 1; DEBUG((" out rdp_tcp_recv error unknown")); return 1; } } else if (rcvd == 0) { self->sck_closed = 1; DEBUG((" out rdp_tcp_recv error connection dropped")); return 1; } else { s->end += rcvd; len -= rcvd; } } return 0; }
/* returns error */ int DEFAULT_CC lib_recv(struct mod *mod, char *data, int len) { int rcvd; if (mod->sck_closed) { return 1; } while (len > 0) { rcvd = g_tcp_recv(mod->sck, data, len, 0); if (rcvd == -1) { if (g_tcp_last_error_would_block(mod->sck)) { if (mod->server_is_term(mod)) { return 1; } g_tcp_can_recv(mod->sck, 10); } else { return 1; } } else if (rcvd == 0) { mod->sck_closed = 1; return 1; } else { data += rcvd; len -= rcvd; } } return 0; }
int APP_CC trans_force_read(struct trans* self, int size) { int rv; int rcvd; if (self->status != 1) { return 1; } rv = 0; while (size > 0) { rcvd = g_tcp_recv(self->sck, self->in_s->end, size, 0); if (rcvd == -1) { if (g_tcp_last_error_would_block(self->sck)) { if (!g_tcp_can_recv(self->sck, 10)) { /* check for term here */ } } else { /* error */ self->status = 0; rv = 1; } } else if (rcvd == 0) { /* error */ self->status = 0; rv = 1; } else { self->in_s->end += rcvd; size -= rcvd; } } return rv; }
int APP_CC trans_force_read_s(struct trans* self, struct stream* in_s, int size) { int rcvd; if (self->status != TRANS_STATUS_UP) { return 1; } while (size > 0) { rcvd = g_tcp_recv(self->sck, in_s->end, size, 0); if (rcvd == -1) { if (g_tcp_last_error_would_block(self->sck)) { if (!g_tcp_can_recv(self->sck, 10)) { /* check for term here */ } } else { /* error */ self->status = TRANS_STATUS_DOWN; return 1; } } else if (rcvd == 0) { /* error */ self->status = TRANS_STATUS_DOWN; return 1; } else { in_s->end += rcvd; size -= rcvd; } } return 0; }
int APP_CC trans_check_wait_objs(struct trans* self) { tbus in_sck; struct trans* in_trans; int read_bytes; int to_read; int read_so_far; int rv; if (self == 0) { return 1; } if (self->status != 1) { return 1; } rv = 0; if (self->type1 == 1) /* listening */ { if (g_tcp_can_recv(self->sck, 0)) { in_sck = g_tcp_accept(self->sck); if (in_sck == -1) { if (g_tcp_last_error_would_block(self->sck)) { /* ok, but shouldn't happen */ } else { /* error */ self->status = 0; rv = 1; } } if (in_sck != -1) { if (self->trans_conn_in != 0) /* is function assigned */ { in_trans = trans_create(self->mode, self->in_s->size, self->out_s->size); in_trans->sck = in_sck; in_trans->type1 = 2; in_trans->status = 1; if (self->trans_conn_in(self, in_trans) != 0) { trans_delete(in_trans); } } else { g_tcp_close(in_sck); } } } } else /* connected server or client (2 or 3) */ { if (g_tcp_can_recv(self->sck, 0)) { read_so_far = (int)(self->in_s->end - self->in_s->data); to_read = self->header_size - read_so_far; read_bytes = g_tcp_recv(self->sck, self->in_s->end, to_read, 0); if (read_bytes == -1) { if (g_tcp_last_error_would_block(self->sck)) { /* ok, but shouldn't happen */ } else { /* error */ self->status = 0; rv = 1; } } else if (read_bytes == 0) { /* error */ self->status = 0; rv = 1; } else { self->in_s->end += read_bytes; } read_so_far = (int)(self->in_s->end - self->in_s->data); if (read_so_far == self->header_size) { if (self->trans_data_in != 0) { rv = self->trans_data_in(self); init_stream(self->in_s, 0); } } } } return rv; }
THREAD_RV THREAD_CC channel_thread_loop(void *in_val) { tbus objs[32]; int num_objs; int timeout; int error; THREAD_RV rv; LOGM((LOG_LEVEL_INFO, "channel_thread_loop: thread start")); rv = 0; setup_api_listen(); error = setup_listen(); if (error == 0) { timeout = -1; num_objs = 0; objs[num_objs] = g_term_event; num_objs++; trans_get_wait_objs(g_lis_trans, objs, &num_objs); trans_get_wait_objs(g_api_lis_trans, objs, &num_objs); while (g_obj_wait(objs, num_objs, 0, 0, timeout) == 0) { if (g_is_wait_obj_set(g_term_event)) { LOGM((LOG_LEVEL_INFO, "channel_thread_loop: g_term_event set")); clipboard_deinit(); sound_deinit(); dev_redir_deinit(); rail_deinit(); break; } if (g_lis_trans != 0) { if (trans_check_wait_objs(g_lis_trans) != 0) { LOGM((LOG_LEVEL_INFO, "channel_thread_loop: " "trans_check_wait_objs error")); } } if (g_con_trans != 0) { if (trans_check_wait_objs(g_con_trans) != 0) { LOGM((LOG_LEVEL_INFO, "channel_thread_loop: " "trans_check_wait_objs error resetting")); clipboard_deinit(); sound_deinit(); dev_redir_deinit(); rail_deinit(); /* delete g_con_trans */ trans_delete(g_con_trans); g_con_trans = 0; /* create new listener */ error = setup_listen(); if (error != 0) { break; } } } if (g_api_lis_trans != 0) { if (trans_check_wait_objs(g_api_lis_trans) != 0) { LOG(0, ("channel_thread_loop: trans_check_wait_objs failed")); } } LOG(10, ("0 %p", g_api_con_trans)); if (g_api_con_trans != 0) { LOG(10, ("1 %p %d", g_api_con_trans, g_tcp_can_recv(g_api_con_trans->sck, 0))); if (trans_check_wait_objs(g_api_con_trans) != 0) { LOG(10, ("channel_thread_loop: trans_check_wait_objs failed, " "or disconnected")); g_free(g_api_con_trans->callback_data); trans_delete(g_api_con_trans); g_api_con_trans = 0; } } xcommon_check_wait_objs(); sound_check_wait_objs(); dev_redir_check_wait_objs(); fuse_check_wait_objs(); timeout = -1; num_objs = 0; objs[num_objs] = g_term_event; num_objs++; trans_get_wait_objs(g_lis_trans, objs, &num_objs); trans_get_wait_objs(g_con_trans, objs, &num_objs); trans_get_wait_objs(g_api_lis_trans, objs, &num_objs); trans_get_wait_objs(g_api_con_trans, objs, &num_objs); xcommon_get_wait_objs(objs, &num_objs, &timeout); sound_get_wait_objs(objs, &num_objs, &timeout); dev_redir_get_wait_objs(objs, &num_objs, &timeout); fuse_get_wait_objs(objs, &num_objs, &timeout); } } trans_delete(g_lis_trans); g_lis_trans = 0; trans_delete(g_con_trans); g_con_trans = 0; trans_delete(g_api_lis_trans); g_api_lis_trans = 0; trans_delete(g_api_con_trans); g_api_con_trans = 0; LOGM((LOG_LEVEL_INFO, "channel_thread_loop: thread stop")); g_set_wait_obj(g_thread_done_event); return rv; }