HANDLE GGPROTO::dcc7fileallow(HANDLE hTransfer, const PROTOCHAR* szPath) { struct gg_dcc7 *dcc7 = (struct gg_dcc7 *) hTransfer; char fileName[MAX_PATH], *path = mir_t2a(szPath); int iFtRemoveRes; strncpy(fileName, path, sizeof(fileName)); strncat(fileName, (char*)dcc7->filename, sizeof(fileName) - strlen(fileName)); dcc7->folder = _strdup((char *) path); dcc7->tick = 0; mir_free(path); // Remove transfer from waiting list gg_EnterCriticalSection(&ft_mutex, "dcc7fileallow", 40, "ft_mutex", 1); iFtRemoveRes = list_remove(&transfers, dcc7, 0); gg_LeaveCriticalSection(&ft_mutex, "dcc7fileallow", 40, 1, "ft_mutex", 1); if (iFtRemoveRes == -1) { debugLogA("dcc7fileallow(): File transfer denied."); ProtoBroadcastAck(dcc7->contact, ACKTYPE_FILE, ACKRESULT_DENIED, dcc7, 0); // Free transfer gg_dcc7_free(dcc7); return 0; } // Open file for appending and check if ok if ((dcc7->file_fd = _open(fileName, _O_WRONLY | _O_APPEND | _O_BINARY | _O_CREAT, _S_IREAD | _S_IWRITE)) == -1) { debugLogA("dcc7fileallow(): Failed to create file \"%s\". errno=%d: %s", fileName, errno, strerror(errno)); TCHAR error[512]; mir_sntprintf(error, SIZEOF(error), TranslateT("Cannot create transfer file. ERROR: %d: %s (dcc7)\n%s"), errno, _tcserror(errno), szPath); showpopup(m_tszUserName, error, GG_POPUP_ERROR); gg_dcc7_reject(dcc7, GG_DCC7_REJECT_USER); ProtoBroadcastAck(dcc7->contact, ACKTYPE_FILE, ACKRESULT_FAILED, dcc7, 0); // Free transfer gg_dcc7_free(dcc7); return 0; } // Put an offset to the file dcc7->offset = _lseek(dcc7->file_fd, 0, SEEK_END); gg_dcc7_accept(dcc7, dcc7->offset); // Add to watches and start transfer gg_EnterCriticalSection(&ft_mutex, "dcc7fileallow", 41, "ft_mutex", 1); list_add(&watches, dcc7, 0); gg_LeaveCriticalSection(&ft_mutex, "dcc7fileallow", 41, 1, "ft_mutex", 1); debugLogA("dcc7fileallow(): Receiving file \"%s\" from %d.", dcc7->filename, dcc7->peer_uin); return hTransfer; }
int main(int argc, char **argv) { struct gg_session *gs; struct gg_login_params glp; struct gg_dcc7 *gd = NULL; time_t ping = 0, last = 0; int fds[2] = { -1, -1 }; if (argc != 2 || atoi(argv[1]) >= TEST_MODE_LAST) { fprintf(stderr, "usage: %s <mode>\n" "\n" "mode: 0 - send file\n" " 1 - send file, simulate NAT\n" " 2 - receive file\n" " 3 - receive file, simulate NAT\n" " 4 - receive file, resume at the end\n" "\n", argv[0]); exit(1); } test_mode = atoi(argv[1]); if (config_read() == -1 || config_peer == 0) { perror("config"); exit(1); } #ifdef _WIN32 gg_win32_init_network(); gg_win32_hook(connect, my_connect, &connect_hook); #else signal(SIGPIPE, SIG_IGN); #endif gg_debug_file = stdout; gg_debug_level = ~0; if (!config_file && socketpair(AF_LOCAL, SOCK_STREAM, 0, fds) == -1) { perror("pipe"); exit(1); } memset(&glp, 0, sizeof(glp)); glp.uin = config_uin; glp.password = config_password; glp.async = 1; glp.client_addr = config_ip; glp.client_port = config_port; glp.protocol_version = GG_PROTOCOL_VERSION_100; if (config_dir && (test_mode == TEST_MODE_RECEIVE || test_mode == TEST_MODE_RECEIVE_NAT || test_mode == TEST_MODE_RECEIVE_RESUME)) { if (chdir(config_dir) == -1) { perror("chdir"); exit(1); } } debug("Connecting...\n"); if (!(gs = gg_login(&glp))) { perror("gg_login"); exit(1); } for (;;) { fd_set rds, wds; struct timeval tv; time_t now; int res, maxfd = -1; FD_ZERO(&rds); FD_ZERO(&wds); tv.tv_sec = 1; tv.tv_usec = 0; maxfd = gs->fd; if ((gs->check & GG_CHECK_READ)) FD_SET(gs->fd, &rds); if ((gs->check & GG_CHECK_WRITE)) FD_SET(gs->fd, &wds); if (gd && gd->fd != -1) { if (gd->fd > maxfd) maxfd = gd->fd; if ((gd->check & GG_CHECK_READ)) FD_SET(gd->fd, &rds); if ((gd->check & GG_CHECK_WRITE)) FD_SET(gd->fd, &wds); } if (fds[1] != -1) { if (fds[1] > maxfd) maxfd = fds[1]; FD_SET(fds[1], &wds); } if ((res = select(maxfd + 1, &rds, &wds, NULL, &tv)) == -1) { if (errno == EINTR) continue; perror("select"); exit(1); } now = time(NULL); if (last != now) { if (gs->timeout != -1 && gs->timeout-- == 0 && !gs->soft_timeout) { debug("Timeout\n"); exit(1); } if (gd && gd->timeout != -1 && gd->timeout-- == 0 && !gd->soft_timeout) { debug("Timeout\n"); exit(1); } last = now; } if (gs->state == GG_STATE_CONNECTED && ping && now - ping > 60) { ping = now; gg_ping(gs); } if (FD_ISSET(gs->fd, &rds) || FD_ISSET(gs->fd, &wds) || (gs->timeout == 0 && gs->soft_timeout)) { struct gg_event *ge; uin_t uin; int status; if (!(ge = gg_watch_fd(gs))) { debug("Connection broken\n"); exit(1); } switch (ge->type) { case GG_EVENT_CONN_SUCCESS: debug("Connected\n"); connected = 1; gg_notify(gs, &config_peer, 1); if (test_mode == TEST_MODE_RECEIVE_NAT) gs->client_addr = INADDR_NONE; ping = time(NULL); break; case GG_EVENT_CONN_FAILED: debug("Connection failed\n"); exit(1); case GG_EVENT_MSG: debug("Message from %d: %s\n", ge->event.msg.sender, ge->event.msg.message); break; case GG_EVENT_DISCONNECT: debug("Forced to disconnect\n"); exit(1); case GG_EVENT_USER_DATA: debug("User data\n"); break; case GG_EVENT_NOTIFY60: uin = ge->event.notify60[0].uin; status = ge->event.notify60[0].status; /* fall-through */ case GG_EVENT_STATUS60: if (ge->type == GG_EVENT_STATUS60) { uin = ge->event.status60.uin; status = ge->event.status60.status; } if (uin == config_peer && (GG_S_A(status) || GG_S_B(status)) && (test_mode == TEST_MODE_SEND || test_mode == TEST_MODE_SEND_NAT)) { debug("Sending file...\n"); if (config_file) { gd = gg_dcc7_send_file(gs, config_peer, config_file, NULL, NULL); } else { gd = gg_dcc7_send_file_fd(gs, config_peer, fds[0], config_size, "test.bin", "DummySHA1HashOfAAAAA"); } if (!gd) { perror("gg_dcc7_send_file"); exit(1); } } break; case GG_EVENT_DCC7_NEW: debug("Incoming direct connection\n"); if (test_mode == TEST_MODE_RECEIVE || test_mode == TEST_MODE_RECEIVE_NAT || test_mode == TEST_MODE_RECEIVE_RESUME) { gd = ge->event.dcc7_new; if (config_dir) { gd->file_fd = open((char*) gd->filename, O_WRONLY | O_CREAT, 0600); #if 0 lseek(gd->file_fd, gd->size, SEEK_SET); #endif } else gd->file_fd = open("/dev/null", O_WRONLY); if (gd->file_fd == -1) { perror("open"); exit(1); } if (test_mode != TEST_MODE_RECEIVE_RESUME) gg_dcc7_accept(gd, 0); else gg_dcc7_accept(gd, gd->size); } break; case GG_EVENT_DCC7_ERROR: debug("Direct connection error\n"); exit(1); case GG_EVENT_DCC7_ACCEPT: debug("Accepted\n"); break; case GG_EVENT_DCC7_REJECT: debug("Rejected\n"); exit(1); case GG_EVENT_DCC7_PENDING: debug("Pending\n"); break; case GG_EVENT_NONE: break; default: debug("Unsupported event %d\n", ge->type); break; } gg_event_free(ge); } if (gd && gd->fd != -1 && (FD_ISSET(gd->fd, &rds) || FD_ISSET(gd->fd, &wds) || (gd->timeout == 0 && gd->soft_timeout))) { struct gg_event *ge; if (!(ge = gg_dcc7_watch_fd(gd))) { debug("Direct connection broken\n"); exit(1); } switch (ge->type) { case GG_EVENT_DCC7_ERROR: debug("Direct connection error\n"); exit(1); case GG_EVENT_DCC7_CONNECTED: debug("Direct connection established\n"); break; case GG_EVENT_DCC7_DONE: debug("Finished"); gg_event_free(ge); gg_dcc7_free(gd); gg_free_session(gs); config_free(); exit(1); case GG_EVENT_NONE: break; default: debug("Unsupported event %d\n", ge->type); break; } gg_event_free(ge); } if (fds[1] != -1 && FD_ISSET(fds[1], &wds)) { char buf[4096]; memset(buf, 'A', sizeof(buf)); if (write(fds[1], buf, sizeof(buf)) < 1) { perror("write"); exit(1); } } } return 0; }