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, 1580 insertions, 0 deletions

diff --git a/kopete/protocols/gadu/libgadu/events.c b/kopete/protocols/gadu/libgadu/events.c
new file mode 100644
index 00000000..97b84912
--- /dev/null
+++ b/kopete/protocols/gadu/libgadu/events.c
@@ -0,0 +1,1580 @@
+/* $Id$ */
+
+/*
+ *  (C) Copyright 2001-2006 Wojtek Kaniewski <wojtekka@irc.pl>
+ *                          Robert J. Woźny <speedy@ziew.org>
+ *                          Arkadiusz Miśkiewicz <arekm@pld-linux.org>
+ *                          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/wait.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include "libgadu-config.h"
+
+#include <errno.h>
+#ifdef __GG_LIBGADU_HAVE_PTHREAD
+#  include <pthread.h>
+#endif
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+#ifdef __GG_LIBGADU_HAVE_OPENSSL
+#  include <openssl/err.h>
+#  include <openssl/x509.h>
+#endif
+
+#include "compat.h"
+#include "libgadu.h"
+
+/*
+ * gg_event_free()
+ *
+ * zwalnia pamięć zajmowaną przez informację o zdarzeniu.
+ *
+ *  - e - wskaźnik do informacji o zdarzeniu
+ */
+void gg_event_free(struct gg_event *e)
+{
+	gg_debug(GG_DEBUG_FUNCTION, "** gg_event_free(%p);\n", e);
+			
+	if (!e)
+		return;
+	
+	switch (e->type) {
+		case GG_EVENT_MSG:
+			free(e->event.msg.message);
+			free(e->event.msg.formats);
+			free(e->event.msg.recipients);
+			break;
+	
+		case GG_EVENT_NOTIFY:
+			free(e->event.notify);
+			break;
+	
+		case GG_EVENT_NOTIFY60:
+		{
+			int i;
+
+			for (i = 0; e->event.notify60[i].uin; i++)
+				free(e->event.notify60[i].descr);
+		
+			free(e->event.notify60);
+
+			break;
+		}
+
+		case GG_EVENT_STATUS60:
+			free(e->event.status60.descr);
+			break;
+	
+		case GG_EVENT_STATUS:
+			free(e->event.status.descr);
+			break;
+
+		case GG_EVENT_NOTIFY_DESCR:
+			free(e->event.notify_descr.notify);
+			free(e->event.notify_descr.descr);
+			break;
+
+		case GG_EVENT_DCC_VOICE_DATA:
+			free(e->event.dcc_voice_data.data);
+			break;
+
+		case GG_EVENT_PUBDIR50_SEARCH_REPLY:
+		case GG_EVENT_PUBDIR50_READ:
+		case GG_EVENT_PUBDIR50_WRITE:
+			gg_pubdir50_free(e->event.pubdir50);
+			break;
+
+		case GG_EVENT_USERLIST:
+			free(e->event.userlist.reply);
+			break;
+	
+		case GG_EVENT_IMAGE_REPLY:
+			free(e->event.image_reply.filename);
+			free(e->event.image_reply.image);
+			break;
+	}
+
+	free(e);
+}
+
+/*
+ * gg_image_queue_remove()
+ *
+ * usuwa z kolejki dany wpis.
+ *
+ *  - s - sesja
+ *  - q - kolejka
+ *  - freeq - czy zwolnić kolejkę
+ *
+ * 0/-1
+ */
+int gg_image_queue_remove(struct gg_session *s, struct gg_image_queue *q, int freeq)
+{
+	if (!s || !q) {
+		errno = EFAULT;
+		return -1;
+	}
+
+	if (s->images == q)
+		s->images = q->next;
+	else {
+		struct gg_image_queue *qq;
+
+		for (qq = s->images; qq; qq = qq->next) {
+			if (qq->next == q) {
+				qq->next = q->next;
+				break;
+			}
+		}
+	}
+
+	if (freeq) {
+		free(q->image);
+		free(q->filename);
+		free(q);
+	}
+
+	return 0;
+}
+
+/*
+ * gg_image_queue_parse() // funkcja wewnętrzna
+ *
+ * parsuje przychodzący pakiet z obrazkiem.
+ *
+ *  - e - opis zdarzenia
+ *  - 
+ */
+static void gg_image_queue_parse(struct gg_event *e, char *p, unsigned int len, struct gg_session *sess, uin_t sender)
+{
+	struct gg_msg_image_reply *i = (void*) p;
+	struct gg_image_queue *q, *qq;
+
+	if (!p || !sess || !e) {
+		errno = EFAULT;
+		return;
+	}
+
+	/* znajdź dany obrazek w kolejce danej sesji */
+	
+	for (qq = sess->images, q = NULL; qq; qq = qq->next) {
+		if (sender == qq->sender && i->size == qq->size && i->crc32 == qq->crc32) {
+			q = qq;
+			break;
+		}
+	}
+
+	if (!q) {
+		gg_debug(GG_DEBUG_MISC, "// gg_image_queue_parse() unknown image from %d, size=%d, crc32=%.8x\n", sender, i->size, i->crc32);
+		return;
+	}
+
+	if (p[0] == 0x05) {
+		int i, ok = 0;
+		
+		q->done = 0;
+
+		len -= sizeof(struct gg_msg_image_reply);
+		p += sizeof(struct gg_msg_image_reply);
+
+		/* sprawdź, czy mamy tekst zakończony \0 */
+
+		for (i = 0; i < len; i++) {
+			if (!p[i]) {
+				ok = 1;
+				break;
+			}
+		}
+
+		if (!ok) {
+			gg_debug(GG_DEBUG_MISC, "// gg_image_queue_parse() malformed packet from %d, unlimited filename\n", sender);
+			return;
+		}
+
+		if (!(q->filename = strdup(p))) {
+			gg_debug(GG_DEBUG_MISC, "// gg_image_queue_parse() not enough memory for filename\n");
+			return;
+		}
+
+		len -= strlen(p) + 1;
+		p += strlen(p) + 1;
+	} else {
+		len -= sizeof(struct gg_msg_image_reply);
+		p += sizeof(struct gg_msg_image_reply);
+	}
+
+	if (q->done + len > q->size)
+		len = q->size - q->done;
+		
+	memcpy(q->image + q->done, p, len);
+	q->done += len;
+
+	/* jeśli skończono odbierać obrazek, wygeneruj zdarzenie */
+
+	if (q->done >= q->size) {
+		e->type = GG_EVENT_IMAGE_REPLY;
+		e->event.image_reply.sender = sender;
+		e->event.image_reply.size = q->size;
+		e->event.image_reply.crc32 = q->crc32;
+		e->event.image_reply.filename = q->filename;
+		e->event.image_reply.image = q->image;
+
+		gg_image_queue_remove(sess, q, 0);
+
+		free(q);
+	}
+}
+
+/*
+ * gg_handle_recv_msg() // funkcja wewnętrzna
+ *
+ * obsługuje pakiet z przychodzącą wiadomością, rozbijając go na dodatkowe
+ * struktury (konferencje, kolorki) w razie potrzeby.
+ *
+ *  - h - nagłówek pakietu
+ *  - e - opis zdarzenia
+ *
+ * 0, -1.
+ */
+static int gg_handle_recv_msg(struct gg_header *h, struct gg_event *e, struct gg_session *sess)
+{
+	struct gg_recv_msg *r = (struct gg_recv_msg*) ((char*) h + sizeof(struct gg_header));
+	char *p, *packet_end = (char*) r + h->length;
+
+	gg_debug(GG_DEBUG_FUNCTION, "** gg_handle_recv_msg(%p, %p);\n", h, e);
+
+	if (!r->seq && !r->msgclass) {
+		gg_debug(GG_DEBUG_MISC, "// gg_handle_recv_msg() oops, silently ignoring the bait\n");
+		e->type = GG_EVENT_NONE;
+		return 0;
+	}
+	
+	for (p = (char*) r + sizeof(*r); *p; p++) {
+		if (*p == 0x02 && p == packet_end - 1) {
+			gg_debug(GG_DEBUG_MISC, "// gg_handle_recv_msg() received ctcp packet\n");
+			break;
+		}
+		if (p >= packet_end) {
+			gg_debug(GG_DEBUG_MISC, "// gg_handle_recv_msg() malformed packet, message out of bounds (0)\n");
+			goto malformed;
+		}
+	}
+	
+	p++;
+
+	/* przeanalizuj dodatkowe opcje */
+	while (p < packet_end) {
+		switch (*p) {
+			case 0x01:		/* konferencja */
+			{
+				struct gg_msg_recipients *m = (void*) p;
+				uint32_t i, count;
+			
+				p += sizeof(*m);
+			
+				if (p > packet_end) {
+					gg_debug(GG_DEBUG_MISC, "// gg_handle_recv_msg() packet out of bounds (1)\n");
+					goto malformed;
+				}
+
+				count = gg_fix32(m->count);
+
+				if (p + count * sizeof(uin_t) > packet_end || p + count * sizeof(uin_t) < p || count > 0xffff) {
+					gg_debug(GG_DEBUG_MISC, "// gg_handle_recv_msg() packet out of bounds (1.5)\n");
+					goto malformed;
+				}
+			
+				if (!(e->event.msg.recipients = (void*) malloc(count * sizeof(uin_t)))) {
+					gg_debug(GG_DEBUG_MISC, "// gg_handle_recv_msg() not enough memory for recipients data\n");
+					goto fail;
+				}
+			
+				for (i = 0; i < count; i++, p += sizeof(uint32_t)) {
+					uint32_t u;
+					memcpy(&u, p, sizeof(uint32_t));
+					e->event.msg.recipients[i] = gg_fix32(u);
+				}
+				
+				e->event.msg.recipients_count = count;
+				
+				break;
+			}
+
+			case 0x02:		/* richtext */
+			{
+				uint16_t len;
+				char *buf;
+			
+				if (p + 3 > packet_end) {
+					gg_debug(GG_DEBUG_MISC, "// gg_handle_recv_msg() packet out of bounds (2)\n");
+					goto malformed;
+				}
+
+				memcpy(&len, p + 1, sizeof(uint16_t));
+				len = gg_fix16(len);
+
+				if (!(buf = malloc(len))) {
+					gg_debug(GG_DEBUG_MISC, "// gg_handle_recv_msg() not enough memory for richtext data\n");
+					goto fail;
+				}
+
+				p += 3;
+
+				if (p + len > packet_end) {
+					gg_debug(GG_DEBUG_MISC, "// gg_handle_recv_msg() packet out of bounds (3)\n");
+					free(buf);
+					goto malformed;
+				}
+				
+				memcpy(buf, p, len);
+
+				e->event.msg.formats = buf;
+				e->event.msg.formats_length = len;
+
+				p += len;
+
+				break;
+			}
+
+			case 0x04:		/* image_request */
+			{
+				struct gg_msg_image_request *i = (void*) p;
+
+				if (p + sizeof(*i) > packet_end) {
+					gg_debug(GG_DEBUG_MISC, "// gg_handle_recv_msg() packet out of bounds (3)\n");
+					goto malformed;
+				}
+
+				e->event.image_request.sender = gg_fix32(r->sender);
+				e->event.image_request.size = gg_fix32(i->size);
+				e->event.image_request.crc32 = gg_fix32(i->crc32);
+
+				e->type = GG_EVENT_IMAGE_REQUEST;
+
+				return 0;
+			}
+
+			case 0x05:		/* image_reply */
+			case 0x06:
+			{
+				struct gg_msg_image_reply *rep = (void*) p;
+
+				if (p + sizeof(struct gg_msg_image_reply) == packet_end) {
+
+					/* pusta odpowiedź - klient po drugiej stronie nie ma żądanego obrazka */
+
+					e->type = GG_EVENT_IMAGE_REPLY;
+					e->event.image_reply.sender = gg_fix32(r->sender);
+					e->event.image_reply.size = 0;
+					e->event.image_reply.crc32 = gg_fix32(rep->crc32);
+					e->event.image_reply.filename = NULL;
+					e->event.image_reply.image = NULL;
+					return 0;
+
+				} else if (p + sizeof(struct gg_msg_image_reply) + 1 > packet_end) {
+
+					gg_debug(GG_DEBUG_MISC, "// gg_handle_recv_msg() packet out of bounds (4)\n");
+					goto malformed;
+				}
+
+				rep->size = gg_fix32(rep->size);
+				rep->crc32 = gg_fix32(rep->crc32);
+				gg_image_queue_parse(e, p, (unsigned int)(packet_end - p), sess, gg_fix32(r->sender));
+
+				return 0;
+			}
+
+			default:
+			{
+				gg_debug(GG_DEBUG_MISC, "// gg_handle_recv_msg() unknown payload 0x%.2x\n", *p);
+				p = packet_end;
+			}
+		}
+	}
+
+	e->type = GG_EVENT_MSG;
+	e->event.msg.msgclass = gg_fix32(r->msgclass);
+	e->event.msg.sender = gg_fix32(r->sender);
+	e->event.msg.time = gg_fix32(r->time);
+	e->event.msg.message = strdup((char*) r + sizeof(*r));
+
+	return 0;
+
+malformed:
+	e->type = GG_EVENT_NONE;
+
+	free(e->event.msg.recipients);
+	free(e->event.msg.formats);
+
+	return 0;
+
+fail:
+	free(e->event.msg.recipients);
+	free(e->event.msg.formats);
+	return -1;
+}
+
+/*
+ * gg_watch_fd_connected() // funkcja wewnętrzna
+ *
+ * patrzy na gniazdo, odbiera pakiet i wypełnia strukturę zdarzenia.
+ *
+ *  - sess - struktura opisująca sesję
+ *  - e - opis zdarzenia
+ *
+ * 0, -1.
+ */
+static int gg_watch_fd_connected(struct gg_session *sess, struct gg_event *e)
+{
+	struct gg_header *h = NULL;
+	char *p;
+
+	gg_debug(GG_DEBUG_FUNCTION, "** gg_watch_fd_connected(%p, %p);\n", sess, e);
+
+	if (!sess) {
+		errno = EFAULT;
+		return -1;
+	}
+
+	if (!(h = gg_recv_packet(sess))) {
+		gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() gg_recv_packet failed (errno=%d, %s)\n", errno, strerror(errno));
+		goto fail;
+	}
+
+	p = (char*) h + sizeof(struct gg_header);
+	
+	switch (h->type) {
+		case GG_RECV_MSG:
+		{
+			if (h->length >= sizeof(struct gg_recv_msg))
+				if (gg_handle_recv_msg(h, e, sess))
+					goto fail;
+			
+			break;
+		}
+
+		case GG_NOTIFY_REPLY:
+		{
+			struct gg_notify_reply *n = (void*) p;
+			unsigned int count, i;
+			char *tmp;
+
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() received a notify reply\n");
+
+			if (h->length < sizeof(*n)) {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() incomplete packet\n");
+				errno = EINVAL;
+				goto fail;
+			}
+
+			if (gg_fix32(n->status) == GG_STATUS_BUSY_DESCR || gg_fix32(n->status) == GG_STATUS_NOT_AVAIL_DESCR || gg_fix32(n->status) == GG_STATUS_AVAIL_DESCR) {
+				e->type = GG_EVENT_NOTIFY_DESCR;
+				
+				if (!(e->event.notify_descr.notify = (void*) malloc(sizeof(*n) * 2))) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() not enough memory for notify data\n");
+					goto fail;
+				}
+				e->event.notify_descr.notify[1].uin = 0;
+				memcpy(e->event.notify_descr.notify, p, sizeof(*n));
+				e->event.notify_descr.notify[0].uin = gg_fix32(e->event.notify_descr.notify[0].uin);
+				e->event.notify_descr.notify[0].status = gg_fix32(e->event.notify_descr.notify[0].status);
+				e->event.notify_descr.notify[0].remote_port = gg_fix16(e->event.notify_descr.notify[0].remote_port);
+
+				count = h->length - sizeof(*n);
+				if (!(tmp = malloc(count + 1))) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() not enough memory for notify data\n");
+					goto fail;
+				}
+				memcpy(tmp, p + sizeof(*n), count);
+				tmp[count] = 0;
+				e->event.notify_descr.descr = tmp;
+				
+			} else {
+				e->type = GG_EVENT_NOTIFY;
+				
+				if (!(e->event.notify = (void*) malloc(h->length + 2 * sizeof(*n)))) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() not enough memory for notify data\n");
+					goto fail;
+				}
+				
+				memcpy(e->event.notify, p, h->length);
+				count = h->length / sizeof(*n);
+				e->event.notify[count].uin = 0;
+				
+				for (i = 0; i < count; i++) {
+					e->event.notify[i].uin = gg_fix32(e->event.notify[i].uin);
+					e->event.notify[i].status = gg_fix32(e->event.notify[i].status);
+					e->event.notify[i].remote_port = gg_fix16(e->event.notify[i].remote_port);
+				}
+			}
+
+			break;
+		}
+
+		case GG_STATUS:
+		{
+			struct gg_status *s = (void*) p;
+
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() received a status change\n");
+
+			if (h->length >= sizeof(*s)) {
+				e->type = GG_EVENT_STATUS;
+				memcpy(&e->event.status, p, sizeof(*s));
+				e->event.status.uin = gg_fix32(e->event.status.uin);
+				e->event.status.status = gg_fix32(e->event.status.status);
+				if (h->length > sizeof(*s)) {
+					int len = h->length - sizeof(*s);
+					char *buf = malloc(len + 1);
+					if (buf) {
+						memcpy(buf, p + sizeof(*s), len);
+						buf[len] = 0;
+					}
+					e->event.status.descr = buf;
+				} else
+					e->event.status.descr = NULL;
+			}
+
+			break;
+		}
+
+		case GG_NOTIFY_REPLY60:
+		{
+			struct gg_notify_reply60 *n = (void*) p;
+			unsigned int length = h->length, i = 0;
+
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() received a notify reply\n");
+
+			e->type = GG_EVENT_NOTIFY60;
+			e->event.notify60 = malloc(sizeof(*e->event.notify60));
+
+			if (!e->event.notify60) {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() not enough memory for notify data\n");
+				goto fail;
+			}
+
+			e->event.notify60[0].uin = 0;
+			
+			while (length >= sizeof(struct gg_notify_reply60)) {
+				uin_t uin = gg_fix32(n->uin);
+				char *tmp;
+
+				e->event.notify60[i].uin = uin & 0x00ffffff;
+				e->event.notify60[i].status = n->status;
+				e->event.notify60[i].remote_ip = n->remote_ip;
+				e->event.notify60[i].remote_port = gg_fix16(n->remote_port);
+				e->event.notify60[i].version = n->version;
+				e->event.notify60[i].image_size = n->image_size;
+				e->event.notify60[i].descr = NULL;
+				e->event.notify60[i].time = 0;
+
+				if (uin & 0x40000000)
+					e->event.notify60[i].version |= GG_HAS_AUDIO_MASK;
+				if (uin & 0x08000000)
+					e->event.notify60[i].version |= GG_ERA_OMNIX_MASK;
+
+				if (GG_S_D(n->status)) {
+					unsigned char descr_len = *((char*) n + sizeof(struct gg_notify_reply60));
+
+					if (descr_len < length) {
+						if (!(e->event.notify60[i].descr = malloc(descr_len + 1))) {
+							gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() not enough memory for notify data\n");
+							goto fail;
+						}
+
+						memcpy(e->event.notify60[i].descr, (char*) n + sizeof(struct gg_notify_reply60) + 1, descr_len);
+						e->event.notify60[i].descr[descr_len] = 0;
+
+						/* XXX czas */
+					}
+					
+					length -= sizeof(struct gg_notify_reply60) + descr_len + 1;
+					n = (void*) ((char*) n + sizeof(struct gg_notify_reply60) + descr_len + 1);
+				} else {
+					length -= sizeof(struct gg_notify_reply60);
+					n = (void*) ((char*) n + sizeof(struct gg_notify_reply60));
+				}
+
+				if (!(tmp = realloc(e->event.notify60, (i + 2) * sizeof(*e->event.notify60)))) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() not enough memory for notify data\n");
+					free(e->event.notify60);
+					goto fail;
+				}
+
+				e->event.notify60 = (void*) tmp;
+				e->event.notify60[++i].uin = 0;
+			}
+
+			break;
+		}
+		
+		case GG_STATUS60:
+		{
+			struct gg_status60 *s = (void*) p;
+			uint32_t uin;
+
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() received a status change\n");
+
+			if (h->length < sizeof(*s))
+				break;
+
+			uin = gg_fix32(s->uin);
+
+			e->type = GG_EVENT_STATUS60;
+			e->event.status60.uin = uin & 0x00ffffff;
+			e->event.status60.status = s->status;
+			e->event.status60.remote_ip = s->remote_ip;
+			e->event.status60.remote_port = gg_fix16(s->remote_port);
+			e->event.status60.version = s->version;
+			e->event.status60.image_size = s->image_size;
+			e->event.status60.descr = NULL;
+			e->event.status60.time = 0;
+
+			if (uin & 0x40000000)
+				e->event.status60.version |= GG_HAS_AUDIO_MASK;
+			if (uin & 0x08000000)
+				e->event.status60.version |= GG_ERA_OMNIX_MASK;
+
+			if (h->length > sizeof(*s)) {
+				int len = h->length - sizeof(*s);
+				char *buf = malloc(len + 1);
+
+				if (buf) {
+					memcpy(buf, (char*) p + sizeof(*s), len);
+					buf[len] = 0;
+				}
+
+				e->event.status60.descr = buf;
+
+				if (len > 4 && p[h->length - 5] == 0) {
+					uint32_t t;
+					memcpy(&t, p + h->length - 4, sizeof(uint32_t));
+					e->event.status60.time = gg_fix32(t);
+				}
+			}
+
+			break;
+		}
+
+		case GG_SEND_MSG_ACK:
+		{
+			struct gg_send_msg_ack *s = (void*) p;
+
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() received a message ack\n");
+
+			if (h->length < sizeof(*s))
+				break;
+
+			e->type = GG_EVENT_ACK;
+			e->event.ack.status = gg_fix32(s->status);
+			e->event.ack.recipient = gg_fix32(s->recipient);
+			e->event.ack.seq = gg_fix32(s->seq);
+
+			break;
+		}
+
+		case GG_PONG: 
+		{
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() received a pong\n");
+
+			e->type = GG_EVENT_PONG;
+			sess->last_pong = time(NULL);
+
+			break;
+		}
+
+		case GG_DISCONNECTING:
+		{
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() received disconnection warning\n");
+			e->type = GG_EVENT_DISCONNECT;
+			break;
+		}
+
+		case GG_PUBDIR50_REPLY:
+		{
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() received pubdir/search reply\n");
+			if (gg_pubdir50_handle_reply(e, p, h->length) == -1)
+				goto fail;
+			break;
+		}
+
+		case GG_USERLIST_REPLY:
+		{
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() received userlist reply\n");
+
+			if (h->length < 1)
+				break;
+
+			/* jeśli odpowiedź na eksport, wywołaj zdarzenie tylko
+			 * gdy otrzymano wszystkie odpowiedzi */
+			if (p[0] == GG_USERLIST_PUT_REPLY || p[0] == GG_USERLIST_PUT_MORE_REPLY) {
+				if (--sess->userlist_blocks)
+					break;
+
+				p[0] = GG_USERLIST_PUT_REPLY;
+			}
+
+			if (h->length > 1) {
+				char *tmp;
+				unsigned int len = (sess->userlist_reply) ? strlen(sess->userlist_reply) : 0;
+				
+				gg_debug(GG_DEBUG_MISC, "userlist_reply=%p, len=%d\n", sess->userlist_reply, len);
+				
+				if (!(tmp = realloc(sess->userlist_reply, len + h->length))) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() not enough memory for userlist reply\n");
+					free(sess->userlist_reply);
+					sess->userlist_reply = NULL;
+					goto fail;
+				}
+
+				sess->userlist_reply = tmp;
+				sess->userlist_reply[len + h->length - 1] = 0;
+				memcpy(sess->userlist_reply + len, p + 1, h->length - 1);
+			}
+
+			if (p[0] == GG_USERLIST_GET_MORE_REPLY)
+				break;
+
+			e->type = GG_EVENT_USERLIST;
+			e->event.userlist.type = p[0];
+			e->event.userlist.reply = sess->userlist_reply;
+			sess->userlist_reply = NULL;
+
+			break;
+		}
+
+		default:
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd_connected() received unknown packet 0x%.2x\n", h->type);
+	}
+	
+	free(h);
+	return 0;
+
+fail:
+	free(h);
+	return -1;
+}
+
+/*
+ * gg_watch_fd()
+ *
+ * funkcja, którą należy wywołać, gdy coś się stanie z obserwowanym
+ * deskryptorem. zwraca klientowi informację o tym, co się dzieje.
+ *
+ *  - sess - opis sesji
+ *
+ * wskaźnik do struktury gg_event, którą trzeba zwolnić później
+ * za pomocą gg_event_free(). jesli rodzaj zdarzenia jest równy
+ * GG_EVENT_NONE, należy je zignorować. jeśli zwróciło NULL,
+ * stało się coś niedobrego -- albo zabrakło pamięci albo zerwało
+ * połączenie.
+ */
+struct gg_event *gg_watch_fd(struct gg_session *sess)
+{
+	struct gg_event *e;
+	int res = 0;
+	int port = 0;
+	int errno2 = 0;
+
+	gg_debug(GG_DEBUG_FUNCTION, "** gg_watch_fd(%p);\n", sess);
+	
+	if (!sess) {
+		errno = EFAULT;
+		return NULL;
+	}
+
+	if (!(e = (void*) calloc(1, sizeof(*e)))) {
+		gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() not enough memory for event data\n");
+		return NULL;
+	}
+
+	e->type = GG_EVENT_NONE;
+
+	switch (sess->state) {
+		case GG_STATE_RESOLVING:
+		{
+			struct in_addr addr;
+			int failed = 0;
+
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() GG_STATE_RESOLVING\n");
+
+			if (read(sess->fd, &addr, sizeof(addr)) < (signed)sizeof(addr) || addr.s_addr == INADDR_NONE) {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() resolving failed\n");
+				failed = 1;
+				errno2 = errno;
+			}
+			
+			close(sess->fd);
+			sess->fd = -1;
+
+#ifndef __GG_LIBGADU_HAVE_PTHREAD
+			waitpid(sess->pid, NULL, 0);
+			sess->pid = -1;
+#else
+			if (sess->resolver) {
+				pthread_cancel(*((pthread_t*) sess->resolver));
+				free(sess->resolver);
+				sess->resolver = NULL;
+			}
+#endif
+
+			if (failed) {
+				errno = errno2;
+				goto fail_resolving;
+			}
+
+			/* jeśli jesteśmy w resolverze i mamy ustawiony port
+			 * proxy, znaczy, że resolvowaliśmy proxy. zatem
+			 * wpiszmy jego adres. */
+			if (sess->proxy_port)
+				sess->proxy_addr = addr.s_addr;
+
+			/* zapiszmy sobie adres huba i adres serwera (do
+			 * bezpośredniego połączenia, jeśli hub leży)
+			 * z resolvera. */
+			if (sess->proxy_addr && sess->proxy_port)
+				port = sess->proxy_port;
+			else {
+				sess->server_addr = sess->hub_addr = addr.s_addr;
+				port = GG_APPMSG_PORT;
+			}
+
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() resolved, connecting to %s:%d\n", inet_ntoa(addr), port);
+			
+			/* łączymy się albo z hubem, albo z proxy, zależnie
+			 * od tego, co resolvowaliśmy. */
+			if ((sess->fd = gg_connect(&addr, port, sess->async)) == -1) {
+				/* jeśli w trybie asynchronicznym gg_connect()
+				 * zwróci błąd, nie ma sensu próbować dalej. */
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connection failed (errno=%d, %s), critical\n", errno, strerror(errno));
+				goto fail_connecting;
+			}
+
+			/* jeśli podano serwer i łączmy się przez proxy,
+			 * jest to bezpośrednie połączenie, inaczej jest
+			 * do huba. */
+			sess->state = (sess->proxy_addr && sess->proxy_port && sess->server_addr) ? GG_STATE_CONNECTING_GG : GG_STATE_CONNECTING_HUB;
+			sess->check = GG_CHECK_WRITE;
+			sess->timeout = GG_DEFAULT_TIMEOUT;
+
+			break;
+		}
+
+		case GG_STATE_CONNECTING_HUB:
+		{
+			char buf[1024], *client, *auth;
+			int res = 0, res_size = sizeof(res);
+			const char *host, *appmsg;
+
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() GG_STATE_CONNECTING_HUB\n");
+
+			/* jeśli asynchroniczne, sprawdzamy, czy nie wystąpił
+			 * przypadkiem jakiś błąd. */
+			if (sess->async && (getsockopt(sess->fd, SOL_SOCKET, SO_ERROR, &res, &res_size) || res)) {
+				/* no tak, nie udało się połączyć z proxy. nawet
+				 * nie próbujemy dalej. */
+				if (sess->proxy_addr && sess->proxy_port) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connection to proxy failed (errno=%d, %s)\n", res, strerror(res));
+					goto fail_connecting;
+				}
+					
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connection to hub failed (errno=%d, %s), trying direct connection\n", res, strerror(res));
+				close(sess->fd);
+
+				if ((sess->fd = gg_connect(&sess->hub_addr, GG_DEFAULT_PORT, sess->async)) == -1) {
+					/* przy asynchronicznych, gg_connect()
+					 * zwraca -1 przy błędach socket(),
+					 * ioctl(), braku routingu itd. dlatego
+					 * nawet nie próbujemy dalej. */
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() direct connection failed (errno=%d, %s), critical\n", errno, strerror(errno));
+					goto fail_connecting;
+				}
+
+				sess->state = GG_STATE_CONNECTING_GG;
+				sess->check = GG_CHECK_WRITE;
+				sess->timeout = GG_DEFAULT_TIMEOUT;
+				break;
+			}
+			
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connected to hub, sending query\n");
+
+			if (!(client = gg_urlencode((sess->client_version) ? sess->client_version : GG_DEFAULT_CLIENT_VERSION))) {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() out of memory for client version\n");
+				goto fail_connecting;
+			}
+
+			if (!gg_proxy_http_only && sess->proxy_addr && sess->proxy_port)
+				host = "http://" GG_APPMSG_HOST;
+			else
+				host = "";
+
+#ifdef __GG_LIBGADU_HAVE_OPENSSL
+			if (sess->ssl)
+				appmsg = "appmsg3.asp";
+			else
+#endif
+				appmsg = "appmsg2.asp";
+
+			auth = gg_proxy_auth();
+
+			snprintf(buf, sizeof(buf) - 1,
+				"GET %s/appsvc/%s?fmnumber=%u&version=%s&lastmsg=%d HTTP/1.0\r\n"
+				"Host: " GG_APPMSG_HOST "\r\n"
+				"User-Agent: " GG_HTTP_USERAGENT "\r\n"
+				"Pragma: no-cache\r\n"
+				"%s" 
+				"\r\n", host, appmsg, sess->uin, client, sess->last_sysmsg, (auth) ? auth : "");
+
+			if (auth)
+				free(auth);
+			
+			free(client);
+
+			/* zwolnij pamięć po wersji klienta. */
+			if (sess->client_version) {
+				free(sess->client_version);
+				sess->client_version = NULL;
+			}
+
+			gg_debug(GG_DEBUG_MISC, "=> -----BEGIN-HTTP-QUERY-----\n%s\n=> -----END-HTTP-QUERY-----\n", buf);
+	 
+			/* zapytanie jest krótkie, więc zawsze zmieści się
+			 * do bufora gniazda. jeśli write() zwróci mniej,
+			 * stało się coś złego. */
+			if (write(sess->fd, buf, strlen(buf)) < (signed)strlen(buf)) {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() sending query failed\n");
+
+				e->type = GG_EVENT_CONN_FAILED;
+				e->event.failure = GG_FAILURE_WRITING;
+				sess->state = GG_STATE_IDLE;
+				close(sess->fd);
+				sess->fd = -1;
+				break;
+			}
+
+			sess->state = GG_STATE_READING_DATA;
+			sess->check = GG_CHECK_READ;
+			sess->timeout = GG_DEFAULT_TIMEOUT;
+
+			break;
+		}
+
+		case GG_STATE_READING_DATA:
+		{
+			char buf[1024], *tmp, *host;
+			int port = GG_DEFAULT_PORT;
+			struct in_addr addr;
+
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() GG_STATE_READING_DATA\n");
+
+			/* czytamy linię z gniazda i obcinamy \r\n. */
+			gg_read_line(sess->fd, buf, sizeof(buf) - 1);
+			gg_chomp(buf);
+			gg_debug(GG_DEBUG_TRAFFIC, "// gg_watch_fd() received http header (%s)\n", buf);
+	
+			/* sprawdzamy, czy wszystko w porządku. */
+			if (strncmp(buf, "HTTP/1.", 7) || strncmp(buf + 9, "200", 3)) {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() that's not what we've expected, trying direct connection\n");
+
+				close(sess->fd);
+
+				/* jeśli otrzymaliśmy jakieś dziwne informacje,
+				 * próbujemy się łączyć z pominięciem huba. */
+				if (sess->proxy_addr && sess->proxy_port) {
+					if ((sess->fd = gg_connect(&sess->proxy_addr, sess->proxy_port, sess->async)) == -1) {
+						/* trudno. nie wyszło. */
+						gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connection to proxy failed (errno=%d, %s)\n", errno, strerror(errno));
+						goto fail_connecting;
+					}
+
+					sess->state = GG_STATE_CONNECTING_GG;
+					sess->check = GG_CHECK_WRITE;
+					sess->timeout = GG_DEFAULT_TIMEOUT;
+					break;
+				}
+				
+				sess->port = GG_DEFAULT_PORT;
+
+				/* łączymy się na port 8074 huba. */
+				if ((sess->fd = gg_connect(&sess->hub_addr, sess->port, sess->async)) == -1) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connection failed (errno=%d, %s), trying https\n", errno, strerror(errno));
+
+					sess->port = GG_HTTPS_PORT;
+					
+					/* łączymy się na port 443. */
+					if ((sess->fd = gg_connect(&sess->hub_addr, sess->port, sess->async)) == -1) {
+						gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connection failed (errno=%d, %s)\n", errno, strerror(errno));
+						goto fail_connecting;
+					}
+				}
+				
+				sess->state = GG_STATE_CONNECTING_GG;
+				sess->check = GG_CHECK_WRITE;
+				sess->timeout = GG_DEFAULT_TIMEOUT;
+				break;
+			}
+	
+			/* ignorujemy resztę nagłówka. */
+			while (strcmp(buf, "\r\n") && strcmp(buf, ""))
+				gg_read_line(sess->fd, buf, sizeof(buf) - 1);
+
+			/* czytamy pierwszą linię danych. */
+			gg_read_line(sess->fd, buf, sizeof(buf) - 1);
+			gg_chomp(buf);
+			
+			/* jeśli pierwsza liczba w linii nie jest równa zeru,
+			 * oznacza to, że mamy wiadomość systemową. */
+			if (atoi(buf)) {
+				char tmp[1024], *foo, *sysmsg_buf = NULL;
+				int len = 0;
+				
+				while (gg_read_line(sess->fd, tmp, sizeof(tmp) - 1)) {
+					if (!(foo = realloc(sysmsg_buf, len + strlen(tmp) + 2))) {
+						gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() out of memory for system message, ignoring\n");
+						break;
+					}
+
+					sysmsg_buf = foo;
+
+					if (!len)
+						strcpy(sysmsg_buf, tmp);
+					else
+						strcat(sysmsg_buf, tmp);
+					
+					len += strlen(tmp);
+				}
+				
+				e->type = GG_EVENT_MSG;
+				e->event.msg.msgclass = atoi(buf);
+				e->event.msg.sender = 0;
+				e->event.msg.message = sysmsg_buf;
+			}
+	
+			close(sess->fd);
+	
+			gg_debug(GG_DEBUG_TRAFFIC, "// gg_watch_fd() received http data (%s)\n", buf);
+
+			/* analizujemy otrzymane dane. */
+			tmp = buf;
+			
+			while (*tmp && *tmp != ' ')
+				tmp++;
+			while (*tmp && *tmp == ' ')
+				tmp++;
+			host = tmp;
+			while (*tmp && *tmp != ' ')
+				tmp++;
+			*tmp = 0;
+
+			if ((tmp = strchr(host, ':'))) {
+				*tmp = 0;
+				port = atoi(tmp + 1);
+			}
+
+			if (!strcmp(host, "notoperating")) {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() service unavailable\n", errno, strerror(errno));
+				sess->fd = -1;
+				goto fail_unavailable;
+			}
+
+			addr.s_addr = inet_addr(host);
+			sess->server_addr = addr.s_addr;
+
+			if (!gg_proxy_http_only && sess->proxy_addr && sess->proxy_port) {
+				/* jeśli mamy proxy, łączymy się z nim. */
+				if ((sess->fd = gg_connect(&sess->proxy_addr, sess->proxy_port, sess->async)) == -1) {
+					/* nie wyszło? trudno. */
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connection to proxy failed (errno=%d, %s)\n", errno, strerror(errno));
+					goto fail_connecting;
+				}
+				
+				sess->state = GG_STATE_CONNECTING_GG;
+				sess->check = GG_CHECK_WRITE;
+				sess->timeout = GG_DEFAULT_TIMEOUT;
+				break;
+			}
+
+			sess->port = port;
+
+			/* łączymy się z właściwym serwerem. */
+			if ((sess->fd = gg_connect(&addr, sess->port, sess->async)) == -1) {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connection failed (errno=%d, %s), trying https\n", errno, strerror(errno));
+
+				sess->port = GG_HTTPS_PORT;
+
+				/* nie wyszło? próbujemy portu 443. */
+				if ((sess->fd = gg_connect(&addr, GG_HTTPS_PORT, sess->async)) == -1) {
+					/* ostatnia deska ratunku zawiodła?
+					 * w takim razie zwijamy manatki. */
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connection failed (errno=%d, %s)\n", errno, strerror(errno));
+					goto fail_connecting;
+				}
+			}
+
+			sess->state = GG_STATE_CONNECTING_GG;
+			sess->check = GG_CHECK_WRITE;
+			sess->timeout = GG_DEFAULT_TIMEOUT;
+		
+			break;
+		}
+
+		case GG_STATE_CONNECTING_GG:
+		{
+			int res = 0, res_size = sizeof(res);
+
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() GG_STATE_CONNECTING_GG\n");
+
+			/* jeśli wystąpił błąd podczas łączenia się... */
+			if (sess->async && (sess->timeout == 0 || getsockopt(sess->fd, SOL_SOCKET, SO_ERROR, &res, &res_size) || res)) {
+				/* jeśli nie udało się połączenie z proxy,
+				 * nie mamy czego próbować więcej. */
+				if (sess->proxy_addr && sess->proxy_port) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connection to proxy failed (errno=%d, %s)\n", res, strerror(res));
+					goto fail_connecting;
+				}
+
+				close(sess->fd);
+				sess->fd = -1;
+
+#ifdef ETIMEDOUT
+				if (sess->timeout == 0)
+					errno = ETIMEDOUT;
+#endif
+
+#ifdef __GG_LIBGADU_HAVE_OPENSSL
+				/* jeśli logujemy się po TLS, nie próbujemy
+				 * się łączyć już z niczym innym w przypadku
+				 * błędu. nie dość, że nie ma sensu, to i
+				 * trzeba by się bawić w tworzenie na nowo
+				 * SSL i SSL_CTX. */
+
+				if (sess->ssl) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connection failed (errno=%d, %s)\n", res, strerror(res));
+					goto fail_connecting;
+				}
+#endif
+
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connection failed (errno=%d, %s), trying https\n", res, strerror(res));
+
+				sess->port = GG_HTTPS_PORT;
+
+				/* próbujemy na port 443. */
+				if ((sess->fd = gg_connect(&sess->server_addr, sess->port, sess->async)) == -1) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connection failed (errno=%d, %s)\n", errno, strerror(errno));
+					goto fail_connecting;
+				}
+			}
+
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() connected\n");
+			
+			if (gg_proxy_http_only)
+				sess->proxy_port = 0;
+
+			/* jeśli mamy proxy, wyślijmy zapytanie. */
+			if (sess->proxy_addr && sess->proxy_port) {
+				char buf[100], *auth = gg_proxy_auth();
+				struct in_addr addr;
+
+				if (sess->server_addr)
+					addr.s_addr = sess->server_addr;
+				else
+					addr.s_addr = sess->hub_addr;
+
+				snprintf(buf, sizeof(buf), "CONNECT %s:%d HTTP/1.0\r\n", inet_ntoa(addr), sess->port);
+
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() proxy request:\n//   %s", buf);
+				
+				/* wysyłamy zapytanie. jest ono na tyle krótkie,
+				 * że musi się zmieścić w buforze gniazda. jeśli
+				 * write() zawiedzie, stało się coś złego. */
+				if (write(sess->fd, buf, strlen(buf)) < (signed)strlen(buf)) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() can't send proxy request\n");
+					if (auth)
+						free(auth);
+					goto fail_connecting;
+				}
+
+				if (auth) {
+					gg_debug(GG_DEBUG_MISC, "//   %s", auth);
+					if (write(sess->fd, auth, strlen(auth)) < (signed)strlen(auth)) {
+						gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() can't send proxy request\n");
+						free(auth);
+						goto fail_connecting;
+					}
+
+					free(auth);
+				}
+
+				if (write(sess->fd, "\r\n", 2) < 2) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() can't send proxy request\n");
+					goto fail_connecting;
+				}
+			}
+
+#ifdef __GG_LIBGADU_HAVE_OPENSSL
+			if (sess->ssl) {
+				SSL_set_fd(sess->ssl, sess->fd);
+
+				sess->state = GG_STATE_TLS_NEGOTIATION;
+				sess->check = GG_CHECK_WRITE;
+				sess->timeout = GG_DEFAULT_TIMEOUT;
+
+				break;
+			}
+#endif
+
+			sess->state = GG_STATE_READING_KEY;
+			sess->check = GG_CHECK_READ;
+			sess->timeout = GG_DEFAULT_TIMEOUT;
+
+			break;
+		}
+
+#ifdef __GG_LIBGADU_HAVE_OPENSSL
+		case GG_STATE_TLS_NEGOTIATION:
+		{
+			int res;
+			X509 *peer;
+
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() GG_STATE_TLS_NEGOTIATION\n");
+
+			if ((res = SSL_connect(sess->ssl)) <= 0) {
+				int err = SSL_get_error(sess->ssl, res);
+
+				if (res == 0) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() disconnected during TLS negotiation\n");
+
+					e->type = GG_EVENT_CONN_FAILED;
+					e->event.failure = GG_FAILURE_TLS;
+					sess->state = GG_STATE_IDLE;
+					close(sess->fd);
+					sess->fd = -1;
+					break;
+				}
+				
+				if (err == SSL_ERROR_WANT_READ) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() SSL_connect() wants to read\n");
+
+					sess->state = GG_STATE_TLS_NEGOTIATION;
+					sess->check = GG_CHECK_READ;
+					sess->timeout = GG_DEFAULT_TIMEOUT;
+
+					break;
+				} else if (err == SSL_ERROR_WANT_WRITE) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() SSL_connect() wants to write\n");
+
+					sess->state = GG_STATE_TLS_NEGOTIATION;
+					sess->check = GG_CHECK_WRITE;
+					sess->timeout = GG_DEFAULT_TIMEOUT;
+
+					break;
+				} else {
+					char buf[1024];
+
+					ERR_error_string_n(ERR_get_error(), buf, sizeof(buf));
+
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() SSL_connect() bailed out: %s\n", buf);
+ 
+					e->type = GG_EVENT_CONN_FAILED;
+					e->event.failure = GG_FAILURE_TLS;
+					sess->state = GG_STATE_IDLE;
+					close(sess->fd);
+					sess->fd = -1;
+					break;
+				}
+			}
+
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() TLS negotiation succeded:\n//   cipher: %s\n", SSL_get_cipher_name(sess->ssl));
+
+			peer = SSL_get_peer_certificate(sess->ssl);
+
+			if (!peer)
+				gg_debug(GG_DEBUG_MISC, "//   WARNING! unable to get peer certificate!\n");
+			else {
+				char buf[1024];
+
+				X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof(buf));
+				gg_debug(GG_DEBUG_MISC, "//   cert subject: %s\n", buf);
+
+				X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof(buf));
+				gg_debug(GG_DEBUG_MISC, "//   cert issuer: %s\n", buf);
+			}
+
+			sess->state = GG_STATE_READING_KEY;
+			sess->check = GG_CHECK_READ;
+			sess->timeout = GG_DEFAULT_TIMEOUT;
+
+			break;
+		}
+#endif
+
+		case GG_STATE_READING_KEY:
+		{
+			struct gg_header *h;			
+			struct gg_welcome *w;
+			struct gg_login60 l;
+			unsigned int hash;
+			unsigned char *password = sess->password;
+			int ret;
+			
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() GG_STATE_READING_KEY\n");
+
+			memset(&l, 0, sizeof(l));
+			l.dunno2 = 0xbe;
+
+			/* XXX bardzo, bardzo, bardzo głupi pomysł na pozbycie
+			 * się tekstu wrzucanego przez proxy. */
+			if (sess->proxy_addr && sess->proxy_port) {
+				char buf[100];
+
+				strcpy(buf, "");
+				gg_read_line(sess->fd, buf, sizeof(buf) - 1);
+				gg_chomp(buf);
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() proxy response:\n//   %s\n", buf);
+				
+				while (strcmp(buf, "")) {
+					gg_read_line(sess->fd, buf, sizeof(buf) - 1);
+					gg_chomp(buf);
+					if (strcmp(buf, ""))
+						gg_debug(GG_DEBUG_MISC, "//   %s\n", buf);
+				}
+
+				/* XXX niech czeka jeszcze raz w tej samej
+				 * fazie. głupio, ale działa. */
+				sess->proxy_port = 0;
+				
+				break;
+			}
+
+			/* czytaj pierwszy pakiet. */
+			if (!(h = gg_recv_packet(sess))) {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() didn't receive packet (errno=%d, %s)\n", errno, strerror(errno));
+
+				e->type = GG_EVENT_CONN_FAILED;
+				e->event.failure = GG_FAILURE_READING;
+				sess->state = GG_STATE_IDLE;
+				errno2 = errno;
+				close(sess->fd);
+				errno = errno2;
+				sess->fd = -1;
+				break;
+			}
+
+			if (h->type != GG_WELCOME) {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() invalid packet received\n");
+				free(h);
+				close(sess->fd);
+				sess->fd = -1;
+				errno = EINVAL;
+				e->type = GG_EVENT_CONN_FAILED;
+				e->event.failure = GG_FAILURE_INVALID;
+				sess->state = GG_STATE_IDLE;
+				break;
+			}
+	
+			w = (struct gg_welcome*) ((char*) h + sizeof(struct gg_header));
+			w->key = gg_fix32(w->key);
+
+			hash = gg_login_hash(password, w->key);
+	
+			gg_debug(GG_DEBUG_DUMP, "// gg_watch_fd() challenge %.4x --> hash %.8x\n", w->key, hash);
+	
+			free(h);
+
+			free(sess->password);
+			sess->password = NULL;
+
+			{
+				struct in_addr dcc_ip;
+				dcc_ip.s_addr = gg_dcc_ip;
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() gg_dcc_ip = %s\n", inet_ntoa(dcc_ip));
+			}
+			
+			if (gg_dcc_ip == (unsigned long) inet_addr("255.255.255.255")) {
+				struct sockaddr_in sin;
+				int sin_len = sizeof(sin);
+
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() detecting address\n");
+
+				if (!getsockname(sess->fd, (struct sockaddr*) &sin, &sin_len)) {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() detected address to %s\n", inet_ntoa(sin.sin_addr));
+					l.local_ip = sin.sin_addr.s_addr;
+				} else {
+					gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() unable to detect address\n");
+					l.local_ip = 0;
+				}
+			} else 
+				l.local_ip = gg_dcc_ip;
+		
+			l.uin = gg_fix32(sess->uin);
+			l.hash = gg_fix32(hash);
+			l.status = gg_fix32(sess->initial_status ? sess->initial_status : GG_STATUS_AVAIL);
+			l.version = gg_fix32(sess->protocol_version);
+			l.local_port = gg_fix16(gg_dcc_port);
+			l.image_size = sess->image_size;
+			
+			if (sess->external_addr && sess->external_port > 1023) {
+				l.external_ip = sess->external_addr;
+				l.external_port = gg_fix16(sess->external_port);
+			}
+
+			gg_debug(GG_DEBUG_TRAFFIC, "// gg_watch_fd() sending GG_LOGIN60 packet\n");
+			ret = gg_send_packet(sess, GG_LOGIN60, &l, sizeof(l), sess->initial_descr, (sess->initial_descr) ? strlen(sess->initial_descr) : 0, NULL);
+
+			free(sess->initial_descr);
+			sess->initial_descr = NULL;
+
+			if (ret == -1) {
+				gg_debug(GG_DEBUG_TRAFFIC, "// gg_watch_fd() sending packet failed. (errno=%d, %s)\n", errno, strerror(errno));
+				errno2 = errno;
+				close(sess->fd);
+				errno = errno2;
+				sess->fd = -1;
+				e->type = GG_EVENT_CONN_FAILED;
+				e->event.failure = GG_FAILURE_WRITING;
+				sess->state = GG_STATE_IDLE;
+				break;
+			}
+	
+			sess->state = GG_STATE_READING_REPLY;
+
+			break;
+		}
+
+		case GG_STATE_READING_REPLY:
+		{
+			struct gg_header *h;
+
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() GG_STATE_READING_REPLY\n");
+
+			if (!(h = gg_recv_packet(sess))) {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() didn't receive packet (errno=%d, %s)\n", errno, strerror(errno));
+				e->type = GG_EVENT_CONN_FAILED;
+				e->event.failure = GG_FAILURE_READING;
+				sess->state = GG_STATE_IDLE;
+				errno2 = errno;
+				close(sess->fd);
+				errno = errno2;
+				sess->fd = -1;
+				break;
+			}
+	
+			if (h->type == GG_LOGIN_OK || h->type == GG_NEED_EMAIL) {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() login succeded\n");
+				e->type = GG_EVENT_CONN_SUCCESS;
+				sess->state = GG_STATE_CONNECTED;
+				sess->timeout = -1;
+				sess->status = (sess->initial_status) ? sess->initial_status : GG_STATUS_AVAIL;
+				free(h);
+				break;
+			}
+
+			if (h->type == GG_LOGIN_FAILED) {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() login failed\n");
+				e->event.failure = GG_FAILURE_PASSWORD;
+				errno = EACCES;
+			} else if (h->type == GG_DISCONNECTING) {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() too many incorrect password attempts\n");
+				e->event.failure = GG_FAILURE_INTRUDER;
+				errno = EACCES;
+			} else {
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() invalid packet\n");
+				e->event.failure = GG_FAILURE_INVALID;
+				errno = EINVAL;
+			}
+
+			e->type = GG_EVENT_CONN_FAILED;
+			sess->state = GG_STATE_IDLE;
+			errno2 = errno;
+			close(sess->fd);
+			errno = errno2;
+			sess->fd = -1;
+			free(h);
+
+			break;
+		}
+
+		case GG_STATE_CONNECTED:
+		{
+			gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() GG_STATE_CONNECTED\n");
+
+			sess->last_event = time(NULL);
+			
+			if ((res = gg_watch_fd_connected(sess, e)) == -1) {
+
+				gg_debug(GG_DEBUG_MISC, "// gg_watch_fd() watch_fd_connected failed (errno=%d, %s)\n", errno, strerror(errno));
+
+ 				if (errno == EAGAIN) {
+					e->type = GG_EVENT_NONE;
+					res = 0;
+				} else
+					res = -1;
+			}
+			break;
+		}
+	}
+
+done:
+	if (res == -1) {
+		free(e);
+		e = NULL;
+	}
+
+	return e;
+	
+fail_connecting:
+	if (sess->fd != -1) {
+		errno2 = errno;
+		close(sess->fd);
+		errno = errno2;
+		sess->fd = -1;
+	}
+	e->type = GG_EVENT_CONN_FAILED;
+	e->event.failure = GG_FAILURE_CONNECTING;
+	sess->state = GG_STATE_IDLE;
+	goto done;
+
+fail_resolving:
+	e->type = GG_EVENT_CONN_FAILED;
+	e->event.failure = GG_FAILURE_RESOLVING;
+	sess->state = GG_STATE_IDLE;
+	goto done;
+
+fail_unavailable:
+	e->type = GG_EVENT_CONN_FAILED;
+	e->event.failure = GG_FAILURE_UNAVAILABLE;
+	sess->state = GG_STATE_IDLE;
+	goto done;
+}
+
+/*
+ * Local variables:
+ * c-indentation-style: k&r
+ * c-basic-offset: 8
+ * indent-tabs-mode: notnil
+ * End:
+ *
+ * vim: shiftwidth=8:
+ */