Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 1298 insertions, 0 deletions

diff --git a/kopete/protocols/gadu/libgadu/dcc.c b/kopete/protocols/gadu/libgadu/dcc.c
new file mode 100644
index 00000000..085d9d01
--- /dev/null
+++ b/kopete/protocols/gadu/libgadu/dcc.c
@@ -0,0 +1,1298 @@
+/* $Id$ */
+
+/*
+ *  (C) Copyright 2001-2006 Wojtek Kaniewski <wojtekka@irc.pl>
+ *                          Tomasz Chiliński <chilek@chilan.com>
+ *                          Adam Wysocki <gophi@ekg.chmurka.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License Version
+ *  2.1 as published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307,
+ *  USA.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#ifdef sun
+#  include <sys/filio.h>
+#endif
+
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "compat.h"
+#include "libgadu.h"
+
+#ifndef GG_DEBUG_DISABLE
+/*
+ * gg_dcc_debug_data() // funkcja wewnętrzna
+ *
+ * wyświetla zrzut pakietu w hexie.
+ * 
+ *  - prefix - prefiks zrzutu pakietu
+ *  - fd - deskryptor gniazda
+ *  - buf - bufor z danymi
+ *  - size - rozmiar danych
+ */
+static void gg_dcc_debug_data(const char *prefix, int fd, const void *buf, unsigned int size)
+{
+	unsigned int i;
+	
+	gg_debug(GG_DEBUG_MISC, "++ gg_dcc %s (fd=%d,len=%d)", prefix, fd, size);
+	
+	for (i = 0; i < size; i++)
+		gg_debug(GG_DEBUG_MISC, " %.2x", ((unsigned char*) buf)[i]);
+	
+	gg_debug(GG_DEBUG_MISC, "\n");
+}
+#else
+#define gg_dcc_debug_data(a,b,c,d) do { } while (0)
+#endif
+
+/*
+ * gg_dcc_request()
+ *
+ * wysyła informację o tym, że dany klient powinien się z nami połączyć.
+ * wykorzystywane, kiedy druga strona, której chcemy coś wysłać jest za
+ * maskaradą.
+ *
+ *  - sess - struktura opisująca sesję GG
+ *  - uin - numerek odbiorcy
+ *
+ * patrz gg_send_message_ctcp().
+ */
+int gg_dcc_request(struct gg_session *sess, uin_t uin)
+{
+	return gg_send_message_ctcp(sess, GG_CLASS_CTCP, uin, "\002", 1);
+}
+
+/* 
+ * gg_dcc_fill_filetime()  // funkcja wewnętrzna
+ *
+ * zamienia czas w postaci unixowej na windowsowy.
+ *
+ *  - unix - czas w postaci unixowej
+ *  - filetime - czas w postaci windowsowej
+ */
+static void gg_dcc_fill_filetime(uint32_t ut, uint32_t *ft)
+{
+#ifdef __GG_LIBGADU_HAVE_LONG_LONG
+	unsigned long long tmp;
+
+	tmp = ut;
+	tmp += 11644473600LL;
+	tmp *= 10000000LL;
+
+#ifndef __GG_LIBGADU_BIGENDIAN
+	ft[0] = (uint32_t) tmp;
+	ft[1] = (uint32_t) (tmp >> 32);
+#else
+	ft[0] = gg_fix32((uint32_t) (tmp >> 32));
+	ft[1] = gg_fix32((uint32_t) tmp);
+#endif
+
+#endif
+}
+
+/*
+ * gg_dcc_fill_file_info()
+ *
+ * wypełnia pola struct gg_dcc niezbędne do wysłania pliku.
+ *
+ *  - d - struktura opisująca połączenie DCC
+ *  - filename - nazwa pliku
+ *
+ * 0, -1.
+ */
+int gg_dcc_fill_file_info(struct gg_dcc *d, const char *filename)
+{
+	return gg_dcc_fill_file_info2(d, filename, filename);
+}
+
+/*
+ * gg_dcc_fill_file_info2()
+ *
+ * wypełnia pola struct gg_dcc niezbędne do wysłania pliku.
+ *
+ *  - d - struktura opisująca połączenie DCC
+ *  - filename - nazwa pliku
+ *  - local_filename - nazwa na lokalnym systemie plików
+ *
+ * 0, -1.
+ */
+int gg_dcc_fill_file_info2(struct gg_dcc *d, const char *filename, const char *local_filename)
+{
+	struct stat st;
+	const char *name, *ext, *p;
+	unsigned char *q;
+	int i, j;
+
+	gg_debug(GG_DEBUG_FUNCTION, "** gg_dcc_fill_file_info2(%p, \"%s\", \"%s\");\n", d, filename, local_filename);
+
+	if (!d || d->type != GG_SESSION_DCC_SEND) {
+		gg_debug(GG_DEBUG_MISC, "// gg_dcc_fill_file_info2() invalid arguments\n");
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (stat(local_filename, &st) == -1) {
+		gg_debug(GG_DEBUG_MISC, "// gg_dcc_fill_file_info2() stat() failed (%s)\n", strerror(errno));
+		return -1;
+	}
+
+	if ((st.st_mode & S_IFDIR)) {
+		gg_debug(GG_DEBUG_MISC, "// gg_dcc_fill_file_info2() that's a directory\n");
+		errno = EINVAL;
+		return -1;
+	}
+
+	if ((d->file_fd = open(local_filename, O_RDONLY)) == -1) {
+		gg_debug(GG_DEBUG_MISC, "// gg_dcc_fill_file_info2() open() failed (%s)\n", strerror(errno));
+		return -1;
+	}
+
+	memset(&d->file_info, 0, sizeof(d->file_info));
+
+	if (!(st.st_mode & S_IWUSR))
+		d->file_info.mode |= gg_fix32(GG_DCC_FILEATTR_READONLY);
+
+	gg_dcc_fill_filetime(st.st_atime, d->file_info.atime);
+	gg_dcc_fill_filetime(st.st_mtime, d->file_info.mtime);
+	gg_dcc_fill_filetime(st.st_ctime, d->file_info.ctime);
+
+	d->file_info.size = gg_fix32(st.st_size);
+	d->file_info.mode = gg_fix32(0x20);	/* FILE_ATTRIBUTE_ARCHIVE */
+
+	if (!(name = strrchr(filename, '/')))
+		name = filename;
+	else
+		name++;
+
+	if (!(ext = strrchr(name, '.')))
+		ext = name + strlen(name);
+
+	for (i = 0, p = name; i < 8 && p < ext; i++, p++)
+		d->file_info.short_filename[i] = toupper(name[i]);
+
+	if (i == 8 && p < ext) {
+		d->file_info.short_filename[6] = '~';
+		d->file_info.short_filename[7] = '1';
+	}
+
+	if (strlen(ext) > 0) {
+		for (j = 0; *ext && j < 4; j++, p++)
+			d->file_info.short_filename[i + j] = toupper(ext[j]);
+	}
+
+	for (q = d->file_info.short_filename; *q; q++) {
+		if (*q == 185) {
+			*q = 165;
+		} else if (*q == 230) {
+			*q = 198;
+		} else if (*q == 234) {
+			*q = 202;
+		} else if (*q == 179) {
+			*q = 163;
+		} else if (*q == 241) {
+			*q = 209;
+		} else if (*q == 243) {
+			*q = 211;
+		} else if (*q == 156) {
+			*q = 140;
+		} else if (*q == 159) {
+			*q = 143;
+		} else if (*q == 191) {
+			*q = 175;
+		}
+	}
+	
+	gg_debug(GG_DEBUG_MISC, "// gg_dcc_fill_file_info2() short name \"%s\", dos name \"%s\"\n", name, d->file_info.short_filename);
+	strncpy(d->file_info.filename, name, sizeof(d->file_info.filename) - 1);
+
+	return 0;
+}
+
+/*
+ * gg_dcc_transfer() // funkcja wewnętrzna
+ * 
+ * inicjuje proces wymiany pliku z danym klientem.
+ *
+ *  - ip - adres ip odbiorcy
+ *  - port - port odbiorcy
+ *  - my_uin - własny numer
+ *  - peer_uin - numer obiorcy
+ *  - type - rodzaj wymiany (GG_SESSION_DCC_SEND lub GG_SESSION_DCC_GET)
+ *
+ * zaalokowana struct gg_dcc lub NULL jeśli wystąpił błąd.
+ */
+static struct gg_dcc *gg_dcc_transfer(uint32_t ip, uint16_t port, uin_t my_uin, uin_t peer_uin, int type)
+{
+	struct gg_dcc *d = NULL;
+	struct in_addr addr;
+
+	addr.s_addr = ip;
+	
+	gg_debug(GG_DEBUG_FUNCTION, "** gg_dcc_transfer(%s, %d, %ld, %ld, %s);\n", inet_ntoa(addr), port, my_uin, peer_uin, (type == GG_SESSION_DCC_SEND) ? "SEND" : "GET");
+	
+	if (!ip || ip == INADDR_NONE || !port || !my_uin || !peer_uin) {
+		gg_debug(GG_DEBUG_MISC, "// gg_dcc_transfer() invalid arguments\n");
+		errno = EINVAL;
+		return NULL;
+	}
+
+	if (!(d = (void*) calloc(1, sizeof(*d)))) {
+		gg_debug(GG_DEBUG_MISC, "// gg_dcc_transfer() not enough memory\n");
+		return NULL;
+	}
+
+	d->check = GG_CHECK_WRITE;
+	d->state = GG_STATE_CONNECTING;
+	d->type = type;
+	d->timeout = GG_DEFAULT_TIMEOUT;
+	d->file_fd = -1;
+	d->active = 1;
+	d->fd = -1;
+	d->uin = my_uin;
+	d->peer_uin = peer_uin;
+
+	if ((d->fd = gg_connect(&addr, port, 1)) == -1) {
+		gg_debug(GG_DEBUG_MISC, "// gg_dcc_transfer() connection failed\n");
+		free(d);
+		return NULL;
+	}
+
+	return d;
+}
+
+/*
+ * gg_dcc_get_file()
+ * 
+ * inicjuje proces odbierania pliku od danego klienta, gdy ten wysłał do
+ * nas żądanie połączenia.
+ *
+ *  - ip - adres ip odbiorcy
+ *  - port - port odbiorcy
+ *  - my_uin - własny numer
+ *  - peer_uin - numer obiorcy
+ *
+ * zaalokowana struct gg_dcc lub NULL jeśli wystąpił błąd.
+ */
+struct gg_dcc *gg_dcc_get_file(uint32_t ip, uint16_t port, uin_t my_uin, uin_t peer_uin)
+{
+	gg_debug(GG_DEBUG_MISC, "// gg_dcc_get_file() handing over to gg_dcc_transfer()\n");
+
+	return gg_dcc_transfer(ip, port, my_uin, peer_uin, GG_SESSION_DCC_GET);
+}
+
+/*
+ * gg_dcc_send_file()
+ * 
+ * inicjuje proces wysyłania pliku do danego klienta.
+ *
+ *  - ip - adres ip odbiorcy
+ *  - port - port odbiorcy
+ *  - my_uin - własny numer
+ *  - peer_uin - numer obiorcy
+ *
+ * zaalokowana struct gg_dcc lub NULL jeśli wystąpił błąd.
+ */
+struct gg_dcc *gg_dcc_send_file(uint32_t ip, uint16_t port, uin_t my_uin, uin_t peer_uin)
+{
+	gg_debug(GG_DEBUG_MISC, "// gg_dcc_send_file() handing over to gg_dcc_transfer()\n");
+
+	return gg_dcc_transfer(ip, port, my_uin, peer_uin, GG_SESSION_DCC_SEND);
+}
+
+/*
+ * gg_dcc_voice_chat()
+ * 
+ * próbuje nawiązać połączenie głosowe.
+ *
+ *  - ip - adres ip odbiorcy
+ *  - port - port odbiorcy
+ *  - my_uin - własny numer
+ *  - peer_uin - numer obiorcy
+ *
+ * zaalokowana struct gg_dcc lub NULL jeśli wystąpił błąd.
+ */
+struct gg_dcc *gg_dcc_voice_chat(uint32_t ip, uint16_t port, uin_t my_uin, uin_t peer_uin)
+{
+	gg_debug(GG_DEBUG_MISC, "// gg_dcc_voice_chat() handing over to gg_dcc_transfer()\n");
+
+	return gg_dcc_transfer(ip, port, my_uin, peer_uin, GG_SESSION_DCC_VOICE);
+}
+
+/*
+ * gg_dcc_set_type()
+ *
+ * po zdarzeniu GG_EVENT_DCC_CALLBACK należy ustawić typ połączenia za
+ * pomocą tej funkcji.
+ *
+ *  - d - struktura opisująca połączenie
+ *  - type - typ połączenia (GG_SESSION_DCC_SEND lub GG_SESSION_DCC_VOICE)
+ */
+void gg_dcc_set_type(struct gg_dcc *d, int type)
+{
+	d->type = type;
+	d->state = (type == GG_SESSION_DCC_SEND) ? GG_STATE_SENDING_FILE_INFO : GG_STATE_SENDING_VOICE_REQUEST;
+}
+	
+/*
+ * gg_dcc_callback() // funkcja wewnętrzna
+ *
+ * wywoływana z struct gg_dcc->callback, odpala gg_dcc_watch_fd i umieszcza
+ * rezultat w struct gg_dcc->event.
+ *
+ *  - d - structura opisująca połączenie
+ *
+ * 0, -1.
+ */
+static int gg_dcc_callback(struct gg_dcc *d)
+{
+	struct gg_event *e = gg_dcc_watch_fd(d);
+
+	d->event = e;
+
+	return (e != NULL) ? 0 : -1;
+}
+
+/*
+ * gg_dcc_socket_create()
+ *
+ * tworzy gniazdo dla bezpośredniej komunikacji między klientami.
+ *
+ *  - uin - własny numer
+ *  - port - preferowany port, jeśli równy 0 lub -1, próbuje domyślnego
+ *
+ * zaalokowana struct gg_dcc, którą poźniej należy zwolnić funkcją
+ * gg_dcc_free(), albo NULL jeśli wystąpił błąd.
+ */
+struct gg_dcc *gg_dcc_socket_create(uin_t uin, uint16_t port)
+{
+	struct gg_dcc *c;
+	struct sockaddr_in sin;
+	int sock, bound = 0, errno2;
+	
+	gg_debug(GG_DEBUG_FUNCTION, "** gg_create_dcc_socket(%d, %d);\n", uin, port);
+	
+	if (!uin) {
+		gg_debug(GG_DEBUG_MISC, "// gg_create_dcc_socket() invalid arguments\n");
+		errno = EINVAL;
+		return NULL;
+	}
+
+	if ((sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) == -1) {
+		gg_debug(GG_DEBUG_MISC, "// gg_create_dcc_socket() can't create socket (%s)\n", strerror(errno));
+		return NULL;
+	}
+
+	if (!port)
+		port = GG_DEFAULT_DCC_PORT;
+	
+	while (!bound) {
+		sin.sin_family = AF_INET;
+		sin.sin_addr.s_addr = INADDR_ANY;
+		sin.sin_port = htons(port);
+	
+		gg_debug(GG_DEBUG_MISC, "// gg_create_dcc_socket() trying port %d\n", port);
+		if (!bind(sock, (struct sockaddr*) &sin, sizeof(sin)))
+			bound = 1;
+		else {
+			if (++port == 65535) {
+				gg_debug(GG_DEBUG_MISC, "// gg_create_dcc_socket() no free port found\n");
+				close(sock);
+				return NULL;
+			}
+		}
+	}
+
+	if (listen(sock, 10)) {
+		gg_debug(GG_DEBUG_MISC, "// gg_create_dcc_socket() unable to listen (%s)\n", strerror(errno));
+		errno2 = errno;
+		close(sock);
+		errno = errno2;
+		return NULL;
+	}
+	
+	gg_debug(GG_DEBUG_MISC, "// gg_create_dcc_socket() bound to port %d\n", port);
+
+	if (!(c = malloc(sizeof(*c)))) {
+		gg_debug(GG_DEBUG_MISC, "// gg_create_dcc_socket() not enough memory for struct\n");
+		close(sock);
+		return NULL;
+	}
+	memset(c, 0, sizeof(*c));
+
+	c->port = c->id = port;
+	c->fd = sock;
+	c->type = GG_SESSION_DCC_SOCKET;
+	c->uin = uin;
+	c->timeout = -1;
+	c->state = GG_STATE_LISTENING;
+	c->check = GG_CHECK_READ;
+	c->callback = gg_dcc_callback;
+	c->destroy = gg_dcc_free;
+	
+	return c;
+}
+
+/*
+ * gg_dcc_voice_send()
+ *
+ * wysyła ramkę danych dla rozmowy głosowej.
+ *
+ *  - d - struktura opisująca połączenie dcc
+ *  - buf - bufor z danymi
+ *  - length - rozmiar ramki
+ *
+ * 0, -1.
+ */
+int gg_dcc_voice_send(struct gg_dcc *d, char *buf, int length)
+{
+	struct packet_s {
+		uint8_t type;
+		uint32_t length;
+	} GG_PACKED;
+	struct packet_s packet;
+
+	gg_debug(GG_DEBUG_FUNCTION, "++ gg_dcc_voice_send(%p, %p, %d);\n", d, buf, length);
+	if (!d || !buf || length < 0 || d->type != GG_SESSION_DCC_VOICE) {
+		gg_debug(GG_DEBUG_MISC, "// gg_dcc_voice_send() invalid argument\n");
+		errno = EINVAL;
+		return -1;
+	}
+
+	packet.type = 0x03; /* XXX */
+	packet.length = gg_fix32(length);
+
+	if (write(d->fd, &packet, sizeof(packet)) < (signed)sizeof(packet)) {
+		gg_debug(GG_DEBUG_MISC, "// gg_dcc_voice_send() write() failed\n");
+		return -1;
+	}
+	gg_dcc_debug_data("write", d->fd, &packet, sizeof(packet));
+
+	if (write(d->fd, buf, length) < length) {
+		gg_debug(GG_DEBUG_MISC, "// gg_dcc_voice_send() write() failed\n");
+		return -1;
+	}
+	gg_dcc_debug_data("write", d->fd, buf, length);
+
+	return 0;
+}
+
+#define gg_read(fd, buf, size) \
+{ \
+	int tmp = read(fd, buf, size); \
+	\
+	if (tmp < (int) size) { \
+		if (tmp == -1) { \
+			gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() read() failed (errno=%d, %s)\n", errno, strerror(errno)); \
+		} else if (tmp == 0) { \
+			gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() read() failed, connection broken\n"); \
+		} else { \
+			gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() read() failed (%d bytes, %d needed)\n", tmp, size); \
+		} \
+		e->type = GG_EVENT_DCC_ERROR; \
+		e->event.dcc_error = GG_ERROR_DCC_HANDSHAKE; \
+		return e; \
+	} \
+	gg_dcc_debug_data("read", fd, buf, size); \
+} 
+
+#define gg_write(fd, buf, size) \
+{ \
+	int tmp; \
+	gg_dcc_debug_data("write", fd, buf, size); \
+	tmp = write(fd, buf, size); \
+	if (tmp < (int) size) { \
+		if (tmp == -1) { \
+			gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() write() failed (errno=%d, %s)\n", errno, strerror(errno)); \
+		} else { \
+			gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() write() failed (%d needed, %d done)\n", size, tmp); \
+		} \
+		e->type = GG_EVENT_DCC_ERROR; \
+		e->event.dcc_error = GG_ERROR_DCC_HANDSHAKE; \
+		return e; \
+	} \
+}
+
+/*
+ * gg_dcc_watch_fd()
+ *
+ * funkcja, którą należy wywołać, gdy coś się zmieni na gg_dcc->fd.
+ *
+ *  - h - struktura zwrócona przez gg_create_dcc_socket()
+ *
+ * zaalokowana struct gg_event lub NULL, jeśli zabrakło pamięci na nią.
+ */
+struct gg_event *gg_dcc_watch_fd(struct gg_dcc *h)
+{
+	struct gg_event *e;
+	int foo;
+
+	gg_debug(GG_DEBUG_FUNCTION, "** gg_dcc_watch_fd(%p);\n", h);
+	
+	if (!h || (h->type != GG_SESSION_DCC && h->type != GG_SESSION_DCC_SOCKET && h->type != GG_SESSION_DCC_SEND && h->type != GG_SESSION_DCC_GET && h->type != GG_SESSION_DCC_VOICE)) {
+		gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() invalid argument\n");
+		errno = EINVAL;
+		return NULL;
+	}
+
+	if (!(e = (void*) calloc(1, sizeof(*e)))) {
+		gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() not enough memory\n");
+		return NULL;
+	}
+
+	e->type = GG_EVENT_NONE;
+
+	if (h->type == GG_SESSION_DCC_SOCKET) {
+		struct sockaddr_in sin;
+		struct gg_dcc *c;
+		int fd, sin_len = sizeof(sin), one = 1;
+		
+		if ((fd = accept(h->fd, (struct sockaddr*) &sin, &sin_len)) == -1) {
+			gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() can't accept() new connection (errno=%d, %s)\n", errno, strerror(errno));
+			return e;
+		}
+
+		gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() new direct connection from %s:%d\n", inet_ntoa(sin.sin_addr), htons(sin.sin_port));
+
+#ifdef FIONBIO
+		if (ioctl(fd, FIONBIO, &one) == -1) {
+#else
+		if (fcntl(fd, F_SETFL, O_NONBLOCK) == -1) {
+#endif
+			gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() can't set nonblocking (errno=%d, %s)\n", errno, strerror(errno));
+			close(fd);
+			e->type = GG_EVENT_DCC_ERROR;
+			e->event.dcc_error = GG_ERROR_DCC_HANDSHAKE;
+			return e;
+		}
+
+		if (!(c = (void*) calloc(1, sizeof(*c)))) {
+			gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() not enough memory for client data\n");
+
+			free(e);
+			close(fd);
+			return NULL;
+		}
+
+		c->fd = fd;
+		c->check = GG_CHECK_READ;
+		c->state = GG_STATE_READING_UIN_1;
+		c->type = GG_SESSION_DCC;
+		c->timeout = GG_DEFAULT_TIMEOUT;
+		c->file_fd = -1;
+		c->remote_addr = sin.sin_addr.s_addr;
+		c->remote_port = ntohs(sin.sin_port);
+		
+		e->type = GG_EVENT_DCC_NEW;
+		e->event.dcc_new = c;
+
+		return e;
+	} else {
+		struct gg_dcc_tiny_packet tiny;
+		struct gg_dcc_small_packet small;
+		struct gg_dcc_big_packet big;
+		int size, tmp, res, res_size = sizeof(res);
+		unsigned int utmp;
+		char buf[1024], ack[] = "UDAG";
+
+		struct gg_dcc_file_info_packet {
+			struct gg_dcc_big_packet big;
+			struct gg_file_info file_info;
+		} GG_PACKED;
+		struct gg_dcc_file_info_packet file_info_packet;
+
+		switch (h->state) {
+			case GG_STATE_READING_UIN_1:
+			case GG_STATE_READING_UIN_2:
+			{
+				uin_t uin;
+
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_READING_UIN_%d\n", (h->state == GG_STATE_READING_UIN_1) ? 1 : 2);
+				
+				gg_read(h->fd, &uin, sizeof(uin));
+
+				if (h->state == GG_STATE_READING_UIN_1) {
+					h->state = GG_STATE_READING_UIN_2;
+					h->check = GG_CHECK_READ;
+					h->timeout = GG_DEFAULT_TIMEOUT;
+					h->peer_uin = gg_fix32(uin);
+				} else {
+					h->state = GG_STATE_SENDING_ACK;
+					h->check = GG_CHECK_WRITE;
+					h->timeout = GG_DEFAULT_TIMEOUT;
+					h->uin = gg_fix32(uin);
+					e->type = GG_EVENT_DCC_CLIENT_ACCEPT;
+				}
+
+				return e;
+			}
+
+			case GG_STATE_SENDING_ACK:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_SENDING_ACK\n");
+
+				gg_write(h->fd, ack, 4);
+
+				h->state = GG_STATE_READING_TYPE;
+				h->check = GG_CHECK_READ;
+				h->timeout = GG_DEFAULT_TIMEOUT;
+
+				return e;
+
+			case GG_STATE_READING_TYPE:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_READING_TYPE\n");
+				
+				gg_read(h->fd, &small, sizeof(small));
+
+				small.type = gg_fix32(small.type);
+
+				switch (small.type) {
+					case 0x0003:	/* XXX */
+						gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() callback\n");
+						h->type = GG_SESSION_DCC_SEND;
+						h->state = GG_STATE_SENDING_FILE_INFO;
+						h->check = GG_CHECK_WRITE;
+						h->timeout = GG_DEFAULT_TIMEOUT;
+
+						e->type = GG_EVENT_DCC_CALLBACK;
+			
+						break;
+
+					case 0x0002:	/* XXX */
+						gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() dialin\n");
+						h->type = GG_SESSION_DCC_GET;
+						h->state = GG_STATE_READING_REQUEST;
+						h->check = GG_CHECK_READ;
+						h->timeout = GG_DEFAULT_TIMEOUT;
+						h->incoming = 1;
+
+						break;
+
+					default:
+						gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() unknown dcc type (%.4x) from %ld\n", small.type, h->peer_uin);
+						e->type = GG_EVENT_DCC_ERROR;
+						e->event.dcc_error = GG_ERROR_DCC_HANDSHAKE;
+				}
+
+				return e;
+
+			case GG_STATE_READING_REQUEST:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_READING_REQUEST\n");
+				
+				gg_read(h->fd, &small, sizeof(small));
+
+				small.type = gg_fix32(small.type);
+
+				switch (small.type) {
+					case 0x0001:	/* XXX */
+						gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() file transfer request\n");
+						h->state = GG_STATE_READING_FILE_INFO;
+						h->check = GG_CHECK_READ;
+						h->timeout = GG_DEFAULT_TIMEOUT;
+						break;
+						
+					case 0x0003:	/* XXX */
+						gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() voice chat request\n");
+						h->state = GG_STATE_SENDING_VOICE_ACK;
+						h->check = GG_CHECK_WRITE;
+						h->timeout = GG_DCC_TIMEOUT_VOICE_ACK;
+						h->type = GG_SESSION_DCC_VOICE;
+						e->type = GG_EVENT_DCC_NEED_VOICE_ACK;
+
+						break;
+						
+					default:
+						gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() unknown dcc request (%.4x) from %ld\n", small.type, h->peer_uin);
+						e->type = GG_EVENT_DCC_ERROR;
+						e->event.dcc_error = GG_ERROR_DCC_HANDSHAKE;
+				}
+		 	
+				return e;
+
+			case GG_STATE_READING_FILE_INFO:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_READING_FILE_INFO\n");
+				
+				gg_read(h->fd, &file_info_packet, sizeof(file_info_packet));
+
+				memcpy(&h->file_info, &file_info_packet.file_info, sizeof(h->file_info));
+		
+				h->file_info.mode = gg_fix32(h->file_info.mode);
+				h->file_info.size = gg_fix32(h->file_info.size);
+
+				h->state = GG_STATE_SENDING_FILE_ACK;
+				h->check = GG_CHECK_WRITE;
+				h->timeout = GG_DCC_TIMEOUT_FILE_ACK;
+
+				e->type = GG_EVENT_DCC_NEED_FILE_ACK;
+				
+				return e;
+
+			case GG_STATE_SENDING_FILE_ACK:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_SENDING_FILE_ACK\n");
+				
+				big.type = gg_fix32(0x0006);	/* XXX */
+				big.dunno1 = gg_fix32(h->offset);
+				big.dunno2 = 0;
+
+				gg_write(h->fd, &big, sizeof(big));
+
+				h->state = GG_STATE_READING_FILE_HEADER;
+				h->chunk_size = sizeof(big);
+				h->chunk_offset = 0;
+				if (!(h->chunk_buf = malloc(sizeof(big)))) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() out of memory\n");
+					free(e);
+					return NULL;
+				}
+				h->check = GG_CHECK_READ;
+				h->timeout = GG_DEFAULT_TIMEOUT;
+
+				return e;
+				
+			case GG_STATE_SENDING_VOICE_ACK:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_SENDING_VOICE_ACK\n");
+				
+				tiny.type = 0x01;	/* XXX */
+
+				gg_write(h->fd, &tiny, sizeof(tiny));
+
+				h->state = GG_STATE_READING_VOICE_HEADER;
+				h->check = GG_CHECK_READ;
+				h->timeout = GG_DEFAULT_TIMEOUT;
+
+				h->offset = 0;
+				
+				return e;
+				
+			case GG_STATE_READING_FILE_HEADER:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_READING_FILE_HEADER\n");
+				
+				tmp = read(h->fd, h->chunk_buf + h->chunk_offset, h->chunk_size - h->chunk_offset);
+
+				if (tmp == -1) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() read() failed (errno=%d, %s)\n", errno, strerror(errno));
+					e->type = GG_EVENT_DCC_ERROR;
+					e->event.dcc_error = GG_ERROR_DCC_NET;
+					return e;
+				}
+
+				gg_dcc_debug_data("read", h->fd, h->chunk_buf + h->chunk_offset, h->chunk_size - h->chunk_offset);
+				
+				h->chunk_offset += tmp;
+
+				if (h->chunk_offset < h->chunk_size)
+					return e;
+
+				memcpy(&big, h->chunk_buf, sizeof(big));
+				free(h->chunk_buf);
+				h->chunk_buf = NULL;
+
+				big.type = gg_fix32(big.type);
+				h->chunk_size = gg_fix32(big.dunno1);
+				h->chunk_offset = 0;
+
+				if (big.type == 0x0005)	{ /* XXX */
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() transfer refused\n");
+					e->type = GG_EVENT_DCC_ERROR;
+					e->event.dcc_error = GG_ERROR_DCC_REFUSED;
+					return e;
+				}
+
+				if (h->chunk_size == 0) { 
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() empty chunk, EOF\n");
+					e->type = GG_EVENT_DCC_DONE;
+					return e;
+				}
+
+				h->state = GG_STATE_GETTING_FILE;
+				h->check = GG_CHECK_READ;
+				h->timeout = GG_DEFAULT_TIMEOUT;
+				h->established = 1;
+			 	
+				return e;
+
+			case GG_STATE_READING_VOICE_HEADER:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_READING_VOICE_HEADER\n");
+				
+				gg_read(h->fd, &tiny, sizeof(tiny));
+
+				switch (tiny.type) {
+					case 0x03:	/* XXX */
+						h->state = GG_STATE_READING_VOICE_SIZE;
+						h->check = GG_CHECK_READ;
+						h->timeout = GG_DEFAULT_TIMEOUT;
+						h->established = 1;
+						break;
+					case 0x04:	/* XXX */
+						gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() peer breaking connection\n");
+						/* XXX zwracać odpowiedni event */
+					default:
+						gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() unknown request (%.2x)\n", tiny.type);
+						e->type = GG_EVENT_DCC_ERROR;
+						e->event.dcc_error = GG_ERROR_DCC_HANDSHAKE;
+				}
+			 	
+				return e;
+
+			case GG_STATE_READING_VOICE_SIZE:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_READING_VOICE_SIZE\n");
+				
+				gg_read(h->fd, &small, sizeof(small));
+
+				small.type = gg_fix32(small.type);
+
+				if (small.type < 16 || small.type > sizeof(buf)) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() invalid voice frame size (%d)\n", small.type);
+					e->type = GG_EVENT_DCC_ERROR;
+					e->event.dcc_error = GG_ERROR_DCC_NET;
+					
+					return e;
+				}
+
+				h->chunk_size = small.type;
+				h->chunk_offset = 0;
+
+				if (!(h->voice_buf = malloc(h->chunk_size))) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() out of memory for voice frame\n");
+					free(e);
+					return NULL;
+				}
+
+				h->state = GG_STATE_READING_VOICE_DATA;
+				h->check = GG_CHECK_READ;
+				h->timeout = GG_DEFAULT_TIMEOUT;
+			 	
+				return e;
+
+			case GG_STATE_READING_VOICE_DATA:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_READING_VOICE_DATA\n");
+				
+				tmp = read(h->fd, h->voice_buf + h->chunk_offset, h->chunk_size - h->chunk_offset);
+				if (tmp < 1) {
+					if (tmp == -1) {
+						gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() read() failed (errno=%d, %s)\n", errno, strerror(errno));
+					} else {
+						gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() read() failed, connection broken\n");
+					}
+					e->type = GG_EVENT_DCC_ERROR;
+					e->event.dcc_error = GG_ERROR_DCC_NET;
+					return e;
+				}
+
+				gg_dcc_debug_data("read", h->fd, h->voice_buf + h->chunk_offset, tmp);
+
+				h->chunk_offset += tmp;
+
+				if (h->chunk_offset >= h->chunk_size) {
+					e->type = GG_EVENT_DCC_VOICE_DATA;
+					e->event.dcc_voice_data.data = h->voice_buf;
+					e->event.dcc_voice_data.length = h->chunk_size;
+					h->state = GG_STATE_READING_VOICE_HEADER;
+					h->voice_buf = NULL;
+				}
+
+				h->check = GG_CHECK_READ;
+				h->timeout = GG_DEFAULT_TIMEOUT;
+				
+				return e;
+
+			case GG_STATE_CONNECTING:
+			{
+				uin_t uins[2];
+
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_CONNECTING\n");
+				
+				res = 0;
+				if ((foo = getsockopt(h->fd, SOL_SOCKET, SO_ERROR, &res, &res_size)) || res) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() connection failed (fd=%d,errno=%d(%s),foo=%d,res=%d(%s))\n", h->fd, errno, strerror(errno), foo, res, strerror(res));
+					e->type = GG_EVENT_DCC_ERROR;
+					e->event.dcc_error = GG_ERROR_DCC_HANDSHAKE;
+					return e;
+				}
+
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() connected, sending uins\n");
+				
+				uins[0] = gg_fix32(h->uin);
+				uins[1] = gg_fix32(h->peer_uin);
+
+				gg_write(h->fd, uins, sizeof(uins));
+				
+				h->state = GG_STATE_READING_ACK;
+				h->check = GG_CHECK_READ;
+				h->timeout = GG_DEFAULT_TIMEOUT;
+				
+				return e;
+			}
+
+			case GG_STATE_READING_ACK:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_READING_ACK\n");
+				
+				gg_read(h->fd, buf, 4);
+
+				if (strncmp(buf, ack, 4)) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() did't get ack\n");
+
+					e->type = GG_EVENT_DCC_ERROR;
+					e->event.dcc_error = GG_ERROR_DCC_HANDSHAKE;
+					return e;
+				}
+
+				h->check = GG_CHECK_WRITE;
+				h->timeout = GG_DEFAULT_TIMEOUT;
+				h->state = GG_STATE_SENDING_REQUEST;
+				
+				return e;
+
+			case GG_STATE_SENDING_VOICE_REQUEST:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_SENDING_VOICE_REQUEST\n");
+
+				small.type = gg_fix32(0x0003);
+				
+				gg_write(h->fd, &small, sizeof(small));
+
+				h->state = GG_STATE_READING_VOICE_ACK;
+				h->check = GG_CHECK_READ;
+				h->timeout = GG_DEFAULT_TIMEOUT;
+				
+				return e;
+			
+			case GG_STATE_SENDING_REQUEST:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_SENDING_REQUEST\n");
+
+				small.type = (h->type == GG_SESSION_DCC_GET) ? gg_fix32(0x0003) : gg_fix32(0x0002);	/* XXX */
+				
+				gg_write(h->fd, &small, sizeof(small));
+				
+				switch (h->type) {
+					case GG_SESSION_DCC_GET:
+						h->state = GG_STATE_READING_REQUEST;
+						h->check = GG_CHECK_READ;
+						h->timeout = GG_DEFAULT_TIMEOUT;
+						break;
+
+					case GG_SESSION_DCC_SEND:
+						h->state = GG_STATE_SENDING_FILE_INFO;
+						h->check = GG_CHECK_WRITE;
+						h->timeout = GG_DEFAULT_TIMEOUT;
+
+						if (h->file_fd == -1)
+							e->type = GG_EVENT_DCC_NEED_FILE_INFO;
+						break;
+						
+					case GG_SESSION_DCC_VOICE:
+						h->state = GG_STATE_SENDING_VOICE_REQUEST;
+						h->check = GG_CHECK_WRITE;
+						h->timeout = GG_DEFAULT_TIMEOUT;
+						break;
+				}
+
+				return e;
+			
+			case GG_STATE_SENDING_FILE_INFO:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_SENDING_FILE_INFO\n");
+
+				if (h->file_fd == -1) {
+					e->type = GG_EVENT_DCC_NEED_FILE_INFO;
+					return e;
+				}
+
+				small.type = gg_fix32(0x0001);	/* XXX */
+				
+				gg_write(h->fd, &small, sizeof(small));
+
+				file_info_packet.big.type = gg_fix32(0x0003);	/* XXX */
+				file_info_packet.big.dunno1 = 0;
+				file_info_packet.big.dunno2 = 0;
+
+				memcpy(&file_info_packet.file_info, &h->file_info, sizeof(h->file_info));
+
+				/* zostają teraz u nas, więc odwracamy z powrotem */
+				h->file_info.size = gg_fix32(h->file_info.size);
+				h->file_info.mode = gg_fix32(h->file_info.mode);
+				
+				gg_write(h->fd, &file_info_packet, sizeof(file_info_packet));
+
+				h->state = GG_STATE_READING_FILE_ACK;
+				h->check = GG_CHECK_READ;
+				h->timeout = GG_DCC_TIMEOUT_FILE_ACK;
+
+				return e;
+				
+			case GG_STATE_READING_FILE_ACK:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_READING_FILE_ACK\n");
+				
+				gg_read(h->fd, &big, sizeof(big));
+
+				/* XXX sprawdzać wynik */
+				h->offset = gg_fix32(big.dunno1);
+				
+				h->state = GG_STATE_SENDING_FILE_HEADER;
+				h->check = GG_CHECK_WRITE;
+				h->timeout = GG_DEFAULT_TIMEOUT;
+
+				e->type = GG_EVENT_DCC_ACK;
+
+				return e;
+
+			case GG_STATE_READING_VOICE_ACK:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_READING_VOICE_ACK\n");
+				
+				gg_read(h->fd, &tiny, sizeof(tiny));
+
+				if (tiny.type != 0x01) {
+					gg_debug(GG_DEBUG_MISC, "// invalid reply (%.2x), connection refused\n", tiny.type);
+					e->type = GG_EVENT_DCC_ERROR;
+					e->event.dcc_error = GG_ERROR_DCC_REFUSED;
+					return e;
+				}
+
+				h->state = GG_STATE_READING_VOICE_HEADER;
+				h->check = GG_CHECK_READ;
+				h->timeout = GG_DEFAULT_TIMEOUT;
+
+				e->type = GG_EVENT_DCC_ACK;
+				
+				return e;
+
+			case GG_STATE_SENDING_FILE_HEADER:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_SENDING_FILE_HEADER\n");
+				
+				h->chunk_offset = 0;
+				
+				if ((h->chunk_size = h->file_info.size - h->offset) > 4096) {
+					h->chunk_size = 4096;
+					big.type = gg_fix32(0x0003);  /* XXX */
+				} else
+					big.type = gg_fix32(0x0002);  /* XXX */
+
+				big.dunno1 = gg_fix32(h->chunk_size);
+				big.dunno2 = 0;
+				
+				gg_write(h->fd, &big, sizeof(big));
+
+				h->state = GG_STATE_SENDING_FILE;
+				h->check = GG_CHECK_WRITE;
+				h->timeout = GG_DEFAULT_TIMEOUT;
+				h->established = 1;
+
+				return e;
+				
+			case GG_STATE_SENDING_FILE:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_SENDING_FILE\n");
+				
+				if ((utmp = h->chunk_size - h->chunk_offset) > sizeof(buf))
+					utmp = sizeof(buf);
+				
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() offset=%d, size=%d\n", h->offset, h->file_info.size);
+
+				/* koniec pliku? */
+				if (h->file_info.size == 0) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() read() reached eof on empty file\n");
+					e->type = GG_EVENT_DCC_DONE;
+
+					return e;
+				}
+
+				lseek(h->file_fd, h->offset, SEEK_SET);
+
+				size = read(h->file_fd, buf, utmp);
+
+				/* błąd */
+				if (size == -1) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() read() failed. (errno=%d, %s)\n", errno, strerror(errno));
+
+					e->type = GG_EVENT_DCC_ERROR;
+					e->event.dcc_error = GG_ERROR_DCC_FILE;
+
+					return e;
+				}
+
+				/* koniec pliku? */
+				if (size == 0) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() read() reached eof\n");
+					e->type = GG_EVENT_DCC_ERROR;
+					e->event.dcc_error = GG_ERROR_DCC_EOF;
+
+					return e;
+				}
+				
+				/* jeśli wczytaliśmy więcej, utnijmy. */
+				if (h->offset + size > h->file_info.size) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() read() too much (read=%d, ofs=%d, size=%d)\n", size, h->offset, h->file_info.size);
+					size = h->file_info.size - h->offset;
+
+					if (size < 1) {
+						gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() reached EOF after cutting\n");
+						e->type = GG_EVENT_DCC_DONE;
+						return e;
+					}
+				}
+
+				tmp = write(h->fd, buf, size);
+
+				if (tmp == -1) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() write() failed (%s)\n", strerror(errno));
+					e->type = GG_EVENT_DCC_ERROR;
+					e->event.dcc_error = GG_ERROR_DCC_NET;
+					return e;
+				}
+
+				h->offset += size;
+				
+				if (h->offset >= h->file_info.size) {
+					e->type = GG_EVENT_DCC_DONE;
+					return e;
+				}
+				
+				h->chunk_offset += size;
+				
+				if (h->chunk_offset >= h->chunk_size) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() chunk finished\n");
+					h->state = GG_STATE_SENDING_FILE_HEADER;
+					h->timeout = GG_DEFAULT_TIMEOUT;
+				} else {
+					h->state = GG_STATE_SENDING_FILE;
+					h->timeout = GG_DCC_TIMEOUT_SEND;
+				}
+				
+				h->check = GG_CHECK_WRITE;
+
+				return e;
+
+			case GG_STATE_GETTING_FILE:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_GETTING_FILE\n");
+				
+				if ((utmp = h->chunk_size - h->chunk_offset) > sizeof(buf))
+					utmp = sizeof(buf);
+				
+				size = read(h->fd, buf, utmp);
+
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() ofs=%d, size=%d, read()=%d\n", h->offset, h->file_info.size, size);
+				
+				/* błąd */
+				if (size == -1) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() read() failed. (errno=%d, %s)\n", errno, strerror(errno));
+
+					e->type = GG_EVENT_DCC_ERROR;
+					e->event.dcc_error = GG_ERROR_DCC_NET;
+
+					return e;
+				}
+
+				/* koniec? */
+				if (size == 0) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() read() reached eof\n");
+					e->type = GG_EVENT_DCC_ERROR;
+					e->event.dcc_error = GG_ERROR_DCC_EOF;
+
+					return e;
+				}
+				
+				tmp = write(h->file_fd, buf, size);
+				
+				if (tmp == -1 || tmp < size) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() write() failed (%d:fd=%d:res=%d:%s)\n", tmp, h->file_fd, size, strerror(errno));
+					e->type = GG_EVENT_DCC_ERROR;
+					e->event.dcc_error = GG_ERROR_DCC_NET;
+					return e;
+				}
+
+				h->offset += size;
+				
+				if (h->offset >= h->file_info.size) {
+					e->type = GG_EVENT_DCC_DONE;
+					return e;
+				}
+
+				h->chunk_offset += size;
+				
+				if (h->chunk_offset >= h->chunk_size) {
+					gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() chunk finished\n");
+					h->state = GG_STATE_READING_FILE_HEADER;
+					h->timeout = GG_DEFAULT_TIMEOUT;
+					h->chunk_offset = 0;
+					h->chunk_size = sizeof(big);
+					if (!(h->chunk_buf = malloc(sizeof(big)))) {
+						gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() out of memory\n");
+						free(e);
+						return NULL;
+					}
+				} else {
+					h->state = GG_STATE_GETTING_FILE;
+					h->timeout = GG_DCC_TIMEOUT_GET;
+				}
+				
+				h->check = GG_CHECK_READ;
+
+				return e;
+				
+			default:
+				gg_debug(GG_DEBUG_MISC, "// gg_dcc_watch_fd() GG_STATE_???\n");
+				e->type = GG_EVENT_DCC_ERROR;
+				e->event.dcc_error = GG_ERROR_DCC_HANDSHAKE;
+
+				return e;
+		}
+	}
+	
+	return e;
+}
+
+#undef gg_read
+#undef gg_write
+
+/*
+ * gg_dcc_free()
+ *
+ * zwalnia pamięć po strukturze połączenia dcc.
+ *
+ *  - d - zwalniana struktura
+ */
+void gg_dcc_free(struct gg_dcc *d)
+{
+	gg_debug(GG_DEBUG_FUNCTION, "** gg_dcc_free(%p);\n", d);
+	
+	if (!d)
+		return;
+
+	if (d->fd != -1)
+		close(d->fd);
+
+	if (d->chunk_buf) {
+		free(d->chunk_buf);
+		d->chunk_buf = NULL;
+	}
+
+	free(d);
+}
+
+/*
+ * Local variables:
+ * c-indentation-style: k&r
+ * c-basic-offset: 8
+ * indent-tabs-mode: notnil
+ * End:
+ *
+ * vim: shiftwidth=8:
+ */