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source: protocols/yahoo/libyahoo2.c @ c6fc24a

Last change on this file since c6fc24a was d7edadf, checked in by Miklos Vajna <vmiklos@…>, at 2011-12-06T00:53:34Z
yahoo: unused-but-set-variables
Property mode set to `100644`
File size: 125.2 KB

Line
1	/*
2	* libyahoo2: libyahoo2.c
3	*
4	* Some code copyright (C) 2002-2004, Philip S Tellis <philip.tellis AT gmx.net>
5	* YMSG16 code copyright (C) 2009,
6	* Siddhesh Poyarekar <siddhesh dot poyarekar at gmail dot com>
7	*
8	* Yahoo Search copyright (C) 2003, Konstantin Klyagin <konst AT konst.org.ua>
9	*
10	* Much of this code was taken and adapted from the yahoo module for
11	* gaim released under the GNU GPL. This code is also released under the
12	* GNU GPL.
13	*
14	* This code is derivitive of Gaim <http://gaim.sourceforge.net>
15	* copyright (C) 1998-1999, Mark Spencer <markster@marko.net>
16	* 1998-1999, Adam Fritzler <afritz@marko.net>
17	* 1998-2002, Rob Flynn <rob@marko.net>
18	* 2000-2002, Eric Warmenhoven <eric@warmenhoven.org>
19	* 2001-2002, Brian Macke <macke@strangelove.net>
20	* 2001, Anand Biligiri S <abiligiri@users.sf.net>
21	* 2001, Valdis Kletnieks
22	* 2002, Sean Egan <bj91704@binghamton.edu>
23	* 2002, Toby Gray <toby.gray@ntlworld.com>
24	*
25	* This library also uses code from other libraries, namely:
26	* Portions from libfaim copyright 1998, 1999 Adam Fritzler
27	* <afritz@auk.cx>
28	* Portions of Sylpheed copyright 2000-2002 Hiroyuki Yamamoto
29	* <hiro-y@kcn.ne.jp>
30	*
31	* YMSG16 authentication code based mostly on write-up at:
32	* http://www.carbonize.co.uk/ymsg16.html
33	*
34	* This program is free software; you can redistribute it and/or modify
35	* it under the terms of the GNU General Public License as published by
36	* the Free Software Foundation; either version 2 of the License, or
37	* (at your option) any later version.
38	*
39	* This program is distributed in the hope that it will be useful,
40	* but WITHOUT ANY WARRANTY; without even the implied warranty of
41	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
42	* GNU General Public License for more details.
43	*
44	* You should have received a copy of the GNU General Public License
45	* along with this program; if not, write to the Free Software
46	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
47	*
48	*/
49
50	#ifndef _WIN32
51	#include <unistd.h>
52	#endif
53	#include <errno.h>
54	#include <stdio.h>
55	#include <stdarg.h>
56
57	#if STDC_HEADERS
58	# include <string.h>
59	#else
60	# if !HAVE_STRCHR
61	# define strchr index
62	# define strrchr rindex
63	# endif
64	char strchr (), strrchr ();
65	# if !HAVE_MEMCPY
66	# define memcpy(d, s, n) bcopy ((s), (d), (n))
67	# define memmove(d, s, n) bcopy ((s), (d), (n))
68	# endif
69	#endif
70
71	#include <sys/types.h>
72
73	#ifdef __MINGW32__
74	# include <winsock2.h>
75	#endif
76
77	#include <stdlib.h>
78	#include <ctype.h>
79
80	#include "sha1.h"
81	#include "md5.h"
82	#include "yahoo2.h"
83	#include "yahoo_httplib.h"
84	#include "yahoo_util.h"
85	#include "yahoo_fn.h"
86
87	#include "yahoo2_callbacks.h"
88	#include "yahoo_debug.h"
89	#if defined(__MINGW32__) && !defined(HAVE_GLIB)
90	#define snprintf _snprintf
91	#define vsnprintf _vsnprintf
92	#endif
93
94	#include "base64.h"
95	#include "http_client.h"
96
97	#ifdef USE_STRUCT_CALLBACKS
98	struct yahoo_callbacks *yc = NULL;
99
100	void yahoo_register_callbacks(struct yahoo_callbacks *tyc)
101	{
102	yc = tyc;
103	}
104
105	#define YAHOO_CALLBACK(x) yc->x
106	#else
107	#define YAHOO_CALLBACK(x) x
108	#endif
109
110	static int yahoo_send_data(void fd, void data, int len);
111	static void _yahoo_http_connected(int id, void fd, int error, void data);
112	static void yahoo_connected(void fd, int error, void data);
113
114	int yahoo_log_message(char *fmt, ...)
115	{
116	char out[1024];
117	va_list ap;
118	va_start(ap, fmt);
119	vsnprintf(out, sizeof(out), fmt, ap);
120	va_end(ap);
121	return YAHOO_CALLBACK(ext_yahoo_log) ("%s", out);
122	}
123
124	int yahoo_connect(char *host, int port)
125	{
126	return YAHOO_CALLBACK(ext_yahoo_connect) (host, port);
127	}
128
129	static enum yahoo_log_level log_level = YAHOO_LOG_NONE;
130
131	enum yahoo_log_level yahoo_get_log_level()
132	{
133	return log_level;
134	}
135
136	int yahoo_set_log_level(enum yahoo_log_level level)
137	{
138	enum yahoo_log_level l = log_level;
139	log_level = level;
140	return l;
141	}
142
143	/* default values for servers */
144	static char *default_pager_hosts[] = { "scs.msg.yahoo.com",
145	"scsa.msg.yahoo.com",
146	"scsb.msg.yahoo.com",
147	"scsc.msg.yahoo.com",
148	NULL};
149
150	static int pager_port = 5050;
151	static int fallback_ports[] = { 23, 25, 80, 20, 119, 8001, 8002, 5050, 0 };
152
153	static char filetransfer_host[] = "filetransfer.msg.yahoo.com";
154	static int filetransfer_port = 80;
155	static char webcam_host[] = "webcam.yahoo.com";
156	static int webcam_port = 5100;
157	static char webcam_description[] = "";
158	static char local_host[] = "";
159	static int conn_type = Y_WCM_DSL;
160
161	static char profile_url[] = "http://profiles.yahoo.com/";
162
163	struct connect_callback_data {
164	struct yahoo_data *yd;
165	int tag;
166	int i;
167	int server_i;
168	};
169
170	struct yahoo_pair {
171	int key;
172	char *value;
173	};
174
175	struct yahoo_packet {
176	unsigned short int service;
177	unsigned int status;
178	unsigned int id;
179	YList *hash;
180	};
181
182	struct yahoo_search_state {
183	int lsearch_type;
184	char *lsearch_text;
185	int lsearch_gender;
186	int lsearch_agerange;
187	int lsearch_photo;
188	int lsearch_yahoo_only;
189	int lsearch_nstart;
190	int lsearch_nfound;
191	int lsearch_ntotal;
192	};
193
194	struct data_queue {
195	unsigned char *queue;
196	int len;
197	};
198
199	struct yahoo_input_data {
200	struct yahoo_data *yd;
201	struct yahoo_webcam *wcm;
202	struct yahoo_webcam_data *wcd;
203	struct yahoo_search_state *ys;
204
205	void *fd;
206	enum yahoo_connection_type type;
207
208	unsigned char *rxqueue;
209	int rxlen;
210	int read_tag;
211
212	YList *txqueues;
213	int write_tag;
214	};
215
216	struct yahoo_server_settings {
217	char *pager_host;
218	int pager_port;
219	char *filetransfer_host;
220	int filetransfer_port;
221	char *webcam_host;
222	int webcam_port;
223	char *webcam_description;
224	char *local_host;
225	int conn_type;
226	char **pager_host_list;
227	};
228
229	static void yahoo_process_ft_connection(struct yahoo_input_data *yid, int over);
230
231	static void yahoo_process_filetransfer(struct yahoo_input_data *yid,
232	struct yahoo_packet *pkt);
233	static void yahoo_process_filetransferinfo(struct yahoo_input_data *yid,
234	struct yahoo_packet *pkt);
235	static void yahoo_process_filetransferaccept(struct yahoo_input_data *yid,
236	struct yahoo_packet *pkt);
237
238	static void yahoo_https_auth(struct yahoo_input_data yid, const char seed, const char *sn);
239
240	static void *_yahoo_default_server_settings()
241	{
242	struct yahoo_server_settings *yss =
243	y_new0(struct yahoo_server_settings, 1);
244
245	/* Give preference to the default host list
246	* Make sure that only one of the two is set at any time
247	*/
248	yss->pager_host = NULL;
249	yss->pager_host_list = default_pager_hosts;
250
251	yss->pager_port = pager_port;
252	yss->filetransfer_host = strdup(filetransfer_host);
253	yss->filetransfer_port = filetransfer_port;
254	yss->webcam_host = strdup(webcam_host);
255	yss->webcam_port = webcam_port;
256	yss->webcam_description = strdup(webcam_description);
257	yss->local_host = strdup(local_host);
258	yss->conn_type = conn_type;
259
260	return yss;
261	}
262
263	static void *_yahoo_assign_server_settings(va_list ap)
264	{
265	struct yahoo_server_settings *yss = _yahoo_default_server_settings();
266	char *key;
267	char *svalue;
268	int nvalue;
269	char **pvalue;
270
271	while (1) {
272	key = va_arg(ap, char *);
273	if (key == NULL)
274	break;
275
276	if (!strcmp(key, "pager_host")) {
277	svalue = va_arg(ap, char *);
278	free(yss->pager_host);
279	yss->pager_host = strdup(svalue);
280	yss->pager_host_list = NULL;
281	} else if (!strcmp(key, "pager_host_list")) {
282	pvalue = va_arg(ap, char **);
283	yss->pager_host_list = pvalue;
284	free(yss->pager_host);
285	yss->pager_host = NULL;
286	} else if (!strcmp(key, "pager_port")) {
287	nvalue = va_arg(ap, int);
288	yss->pager_port = nvalue;
289	} else if (!strcmp(key, "filetransfer_host")) {
290	svalue = va_arg(ap, char *);
291	free(yss->filetransfer_host);
292	yss->filetransfer_host = strdup(svalue);
293	} else if (!strcmp(key, "filetransfer_port")) {
294	nvalue = va_arg(ap, int);
295	yss->filetransfer_port = nvalue;
296	} else if (!strcmp(key, "webcam_host")) {
297	svalue = va_arg(ap, char *);
298	free(yss->webcam_host);
299	yss->webcam_host = strdup(svalue);
300	} else if (!strcmp(key, "webcam_port")) {
301	nvalue = va_arg(ap, int);
302	yss->webcam_port = nvalue;
303	} else if (!strcmp(key, "webcam_description")) {
304	svalue = va_arg(ap, char *);
305	free(yss->webcam_description);
306	yss->webcam_description = strdup(svalue);
307	} else if (!strcmp(key, "local_host")) {
308	svalue = va_arg(ap, char *);
309	free(yss->local_host);
310	yss->local_host = strdup(svalue);
311	} else if (!strcmp(key, "conn_type")) {
312	nvalue = va_arg(ap, int);
313	yss->conn_type = nvalue;
314	} else {
315	WARNING(("Unknown key passed to yahoo_init, "
316	"perhaps you didn't terminate the list "
317	"with NULL"));
318	}
319	}
320
321	return yss;
322	}
323
324	static void yahoo_free_server_settings(struct yahoo_server_settings *yss)
325	{
326	if (!yss)
327	return;
328
329	free(yss->pager_host);
330	free(yss->filetransfer_host);
331	free(yss->webcam_host);
332	free(yss->webcam_description);
333	free(yss->local_host);
334
335	free(yss);
336	}
337
338	static YList *conns = NULL;
339	static YList *inputs = NULL;
340	static int last_id = 0;
341
342	static void add_to_list(struct yahoo_data *yd)
343	{
344	conns = y_list_prepend(conns, yd);
345	}
346
347	static struct yahoo_data *find_conn_by_id(int id)
348	{
349	YList *l;
350	for (l = conns; l; l = y_list_next(l)) {
351	struct yahoo_data *yd = l->data;
352	if (yd->client_id == id)
353	return yd;
354	}
355	return NULL;
356	}
357
358	static void del_from_list(struct yahoo_data *yd)
359	{
360	conns = y_list_remove(conns, yd);
361	}
362
363	/* call repeatedly to get the next one */
364	/*
365	static struct yahoo_input_data * find_input_by_id(int id)
366	{
367	YList *l;
368	for(l = inputs; l; l = y_list_next(l)) {
369	struct yahoo_input_data *yid = l->data;
370	if(yid->yd->client_id == id)
371	return yid;
372	}
373	return NULL;
374	}
375	*/
376
377	static struct yahoo_input_data *find_input_by_id_and_webcam_user(int id,
378	const char *who)
379	{
380	YList *l;
381	LOG(("find_input_by_id_and_webcam_user"));
382	for (l = inputs; l; l = y_list_next(l)) {
383	struct yahoo_input_data *yid = l->data;
384	if (yid->type == YAHOO_CONNECTION_WEBCAM
385	&& yid->yd->client_id == id && yid->wcm && ((who
386	&& yid->wcm->user
387	&& !strcmp(who, yid->wcm->user))
388	\|\| !(yid->wcm->user && !who)))
389	return yid;
390	}
391	return NULL;
392	}
393
394	static struct yahoo_input_data *find_input_by_id_and_type(int id,
395	enum yahoo_connection_type type)
396	{
397	YList *l;
398	LOG(("find_input_by_id_and_type"));
399	for (l = inputs; l; l = y_list_next(l)) {
400	struct yahoo_input_data *yid = l->data;
401	if (yid->type == type && yid->yd->client_id == id)
402	return yid;
403	}
404	return NULL;
405	}
406
407	static struct yahoo_input_data find_input_by_id_and_fd(int id, void fd)
408	{
409	YList *l;
410	LOG(("find_input_by_id_and_fd"));
411	for (l = inputs; l; l = y_list_next(l)) {
412	struct yahoo_input_data *yid = l->data;
413	if (yid->fd == fd && yid->yd->client_id == id)
414	return yid;
415	}
416	return NULL;
417	}
418
419	static int count_inputs_with_id(int id)
420	{
421	int c = 0;
422	YList *l;
423	LOG(("counting %d", id));
424	for (l = inputs; l; l = y_list_next(l)) {
425	struct yahoo_input_data *yid = l->data;
426	if (yid->yd->client_id == id)
427	c++;
428	}
429	LOG(("%d", c));
430	return c;
431	}
432
433	extern char yahoo_crypt(char , char *);
434
435	/* Free a buddy list */
436	static void yahoo_free_buddies(YList *list)
437	{
438	YList *l;
439
440	for (l = list; l; l = l->next) {
441	struct yahoo_buddy *bud = l->data;
442	if (!bud)
443	continue;
444
445	FREE(bud->group);
446	FREE(bud->id);
447	FREE(bud->real_name);
448	if (bud->yab_entry) {
449	FREE(bud->yab_entry->fname);
450	FREE(bud->yab_entry->lname);
451	FREE(bud->yab_entry->nname);
452	FREE(bud->yab_entry->id);
453	FREE(bud->yab_entry->email);
454	FREE(bud->yab_entry->hphone);
455	FREE(bud->yab_entry->wphone);
456	FREE(bud->yab_entry->mphone);
457	FREE(bud->yab_entry);
458	}
459	FREE(bud);
460	l->data = bud = NULL;
461	}
462
463	y_list_free(list);
464	}
465
466	/* Free an identities list */
467	static void yahoo_free_identities(YList *list)
468	{
469	while (list) {
470	YList *n = list;
471	FREE(list->data);
472	list = y_list_remove_link(list, list);
473	y_list_free_1(n);
474	}
475	}
476
477	/* Free webcam data */
478	static void yahoo_free_webcam(struct yahoo_webcam *wcm)
479	{
480	if (wcm) {
481	FREE(wcm->user);
482	FREE(wcm->server);
483	FREE(wcm->key);
484	FREE(wcm->description);
485	FREE(wcm->my_ip);
486	}
487	FREE(wcm);
488	}
489
490	static void yahoo_free_data(struct yahoo_data *yd)
491	{
492	FREE(yd->user);
493	FREE(yd->password);
494	FREE(yd->cookie_y);
495	FREE(yd->cookie_t);
496	FREE(yd->cookie_b);
497	FREE(yd->cookie_c);
498	FREE(yd->login_cookie);
499	FREE(yd->login_id);
500
501	yahoo_free_buddies(yd->buddies);
502	yahoo_free_buddies(yd->ignore);
503	yahoo_free_identities(yd->identities);
504
505	yahoo_free_server_settings(yd->server_settings);
506
507	FREE(yd);
508	}
509
510	#define YAHOO_PACKET_HDRLEN (4 + 2 + 2 + 2 + 2 + 4 + 4)
511
512	static struct yahoo_packet *yahoo_packet_new(enum yahoo_service service,
513	enum ypacket_status status, int id)
514	{
515	struct yahoo_packet *pkt = y_new0(struct yahoo_packet, 1);
516
517	pkt->service = service;
518	pkt->status = status;
519	pkt->id = id;
520
521	return pkt;
522	}
523
524	static void yahoo_packet_hash(struct yahoo_packet *pkt, int key,
525	const char *value)
526	{
527	struct yahoo_pair *pair = y_new0(struct yahoo_pair, 1);
528	pair->key = key;
529	pair->value = strdup(value);
530	pkt->hash = y_list_append(pkt->hash, pair);
531	}
532
533	static int yahoo_packet_length(struct yahoo_packet *pkt)
534	{
535	YList *l;
536
537	int len = 0;
538
539	for (l = pkt->hash; l; l = l->next) {
540	struct yahoo_pair *pair = l->data;
541	int tmp = pair->key;
542	do {
543	tmp /= 10;
544	len++;
545	} while (tmp);
546	len += 2;
547	len += strlen(pair->value);
548	len += 2;
549	}
550
551	return len;
552	}
553
554	#define yahoo_put16(buf, data) ( \
555	(*(buf) = (unsigned char)((data)>>8)&0xff), \
556	(*((buf)+1) = (unsigned char)(data)&0xff), \
557	2)
558	#define yahoo_get16(buf) (((((buf))&0xff)<<8) + ((((buf)+1)) & 0xff))
559	#define yahoo_put32(buf, data) ( \
560	(*((buf)) = (unsigned char)((data)>>24)&0xff), \
561	(*((buf)+1) = (unsigned char)((data)>>16)&0xff), \
562	(*((buf)+2) = (unsigned char)((data)>>8)&0xff), \
563	(*((buf)+3) = (unsigned char)(data)&0xff), \
564	4)
565	#define yahoo_get32(buf) ((((*(buf) )&0xff)<<24) + \
566	(((*((buf)+1))&0xff)<<16) + \
567	(((*((buf)+2))&0xff)<< 8) + \
568	(((*((buf)+3))&0xff)))
569
570	static void yahoo_packet_read(struct yahoo_packet pkt, unsigned char data,
571	int len)
572	{
573	int pos = 0;
574
575	while (pos + 1 < len) {
576	char key, value = NULL;
577	int accept;
578	int x;
579
580	struct yahoo_pair *pair = y_new0(struct yahoo_pair, 1);
581
582	key = malloc(len + 1);
583	x = 0;
584	while (pos + 1 < len) {
585	if (data[pos] == 0xc0 && data[pos + 1] == 0x80)
586	break;
587	key[x++] = data[pos++];
588	}
589	key[x] = 0;
590	pos += 2;
591	pair->key = strtol(key, NULL, 10);
592	free(key);
593
594	/* Libyahoo2 developer(s) don't seem to have the time to fix
595	this problem, so for now try to work around it:
596
597	Sometimes we receive an invalid packet with not any more
598	data at this point. I don't know how to handle this in a
599	clean way, but let's hope this is clean enough: */
600
601	if (pos + 1 < len) {
602	accept = x;
603	/* if x is 0 there was no key, so don't accept it */
604	if (accept)
605	value = malloc(len - pos + 1);
606	x = 0;
607	while (pos + 1 < len) {
608	if (data[pos] == 0xc0 && data[pos + 1] == 0x80)
609	break;
610	if (accept)
611	value[x++] = data[pos++];
612	}
613	if (accept)
614	value[x] = 0;
615	pos += 2;
616	} else {
617	accept = 0;
618	}
619
620	if (accept) {
621	pair->value = strdup(value);
622	FREE(value);
623	pkt->hash = y_list_append(pkt->hash, pair);
624	DEBUG_MSG(("Key: %d \tValue: %s", pair->key,
625	pair->value));
626	} else {
627	FREE(pair);
628	}
629	}
630	}
631
632	static void yahoo_packet_write(struct yahoo_packet pkt, unsigned char data)
633	{
634	YList *l;
635	int pos = 0;
636
637	for (l = pkt->hash; l; l = l->next) {
638	struct yahoo_pair *pair = l->data;
639	unsigned char buf[100];
640
641	snprintf((char *)buf, sizeof(buf), "%d", pair->key);
642	strcpy((char )data + pos, (char )buf);
643	pos += strlen((char *)buf);
644	data[pos++] = 0xc0;
645	data[pos++] = 0x80;
646
647	strcpy((char *)data + pos, pair->value);
648	pos += strlen(pair->value);
649	data[pos++] = 0xc0;
650	data[pos++] = 0x80;
651	}
652	}
653
654	static void yahoo_dump_unhandled(struct yahoo_packet *pkt)
655	{
656	YList *l;
657
658	NOTICE(("Service: 0x%02x\tStatus: %d", pkt->service, pkt->status));
659	for (l = pkt->hash; l; l = l->next) {
660	struct yahoo_pair *pair = l->data;
661	NOTICE(("\t%d => %s", pair->key, pair->value));
662	}
663	}
664
665	static void yahoo_packet_dump(unsigned char *data, int len)
666	{
667	if (yahoo_get_log_level() >= YAHOO_LOG_DEBUG) {
668	int i;
669	for (i = 0; i < len; i++) {
670	if ((i % 8 == 0) && i)
671	YAHOO_CALLBACK(ext_yahoo_log) (" ");
672	if ((i % 16 == 0) && i)
673	YAHOO_CALLBACK(ext_yahoo_log) ("\n");
674	YAHOO_CALLBACK(ext_yahoo_log) ("%02x ", data[i]);
675	}
676	YAHOO_CALLBACK(ext_yahoo_log) ("\n");
677	for (i = 0; i < len; i++) {
678	if ((i % 8 == 0) && i)
679	YAHOO_CALLBACK(ext_yahoo_log) (" ");
680	if ((i % 16 == 0) && i)
681	YAHOO_CALLBACK(ext_yahoo_log) ("\n");
682	if (isprint(data[i]))
683	YAHOO_CALLBACK(ext_yahoo_log) (" %c ", data[i]);
684	else
685	YAHOO_CALLBACK(ext_yahoo_log) (" . ");
686	}
687	YAHOO_CALLBACK(ext_yahoo_log) ("\n");
688	}
689	}
690
691	/* raw bytes in quasi-big-endian order to base 64 string (NUL-terminated) */
692	static void to_y64(unsigned char out, const unsigned char in, int inlen)
693	{
694	base64_encode_real(in, inlen, out, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._-");
695	}
696
697	static void yahoo_add_to_send_queue(struct yahoo_input_data yid, void data,
698	int length)
699	{
700	struct data_queue *tx = y_new0(struct data_queue, 1);
701	tx->queue = y_new0(unsigned char, length);
702	tx->len = length;
703	memcpy(tx->queue, data, length);
704
705	yid->txqueues = y_list_append(yid->txqueues, tx);
706
707	if (!yid->write_tag)
708	yid->write_tag =
709	YAHOO_CALLBACK(ext_yahoo_add_handler) (yid->yd->
710	client_id, yid->fd, YAHOO_INPUT_WRITE, yid);
711	}
712
713	static void yahoo_send_packet(struct yahoo_input_data *yid,
714	struct yahoo_packet *pkt, int extra_pad)
715	{
716	int pktlen = yahoo_packet_length(pkt);
717	int len = YAHOO_PACKET_HDRLEN + pktlen;
718	unsigned char *data;
719	int pos = 0;
720
721	if (yid->fd < 0)
722	return;
723
724	data = y_new0(unsigned char, len + 1);
725
726	memcpy(data + pos, "YMSG", 4);
727	pos += 4;
728	pos += yahoo_put16(data + pos, YAHOO_PROTO_VER); /* version [latest 12 0x000c] */
729	pos += yahoo_put16(data + pos, 0x0000); /* HIWORD pkt length??? */
730	pos += yahoo_put16(data + pos, pktlen + extra_pad); /* LOWORD pkt length? */
731	pos += yahoo_put16(data + pos, pkt->service); /* service */
732	pos += yahoo_put32(data + pos, pkt->status); /* status [4bytes] */
733	pos += yahoo_put32(data + pos, pkt->id); /* session [4bytes] */
734
735	yahoo_packet_write(pkt, data + pos);
736
737	yahoo_packet_dump(data, len);
738
739	if (yid->type == YAHOO_CONNECTION_FT)
740	yahoo_send_data(yid->fd, data, len);
741	else
742	yahoo_add_to_send_queue(yid, data, len);
743	FREE(data);
744	}
745
746	static void yahoo_packet_free(struct yahoo_packet *pkt)
747	{
748	while (pkt->hash) {
749	struct yahoo_pair *pair = pkt->hash->data;
750	YList *tmp;
751	FREE(pair->value);
752	FREE(pair);
753	tmp = pkt->hash;
754	pkt->hash = y_list_remove_link(pkt->hash, pkt->hash);
755	y_list_free_1(tmp);
756	}
757	FREE(pkt);
758	}
759
760	static int yahoo_send_data(void fd, void data, int len)
761	{
762	int ret;
763	int e;
764
765	if (fd == NULL)
766	return -1;
767
768	yahoo_packet_dump(data, len);
769
770	do {
771	ret = YAHOO_CALLBACK(ext_yahoo_write) (fd, data, len);
772	} while (ret == -1 && errno == EINTR);
773	e = errno;
774
775	if (ret == -1) {
776	LOG(("wrote data: ERR %s", strerror(errno)));
777	} else {
778	LOG(("wrote data: OK"));
779	}
780
781	errno = e;
782	return ret;
783	}
784
785	void yahoo_close(int id)
786	{
787	struct yahoo_data *yd = find_conn_by_id(id);
788	if (!yd)
789	return;
790
791	del_from_list(yd);
792
793	yahoo_free_data(yd);
794	if (id == last_id)
795	last_id--;
796	}
797
798	static void yahoo_input_close(struct yahoo_input_data *yid)
799	{
800	inputs = y_list_remove(inputs, yid);
801
802	LOG(("yahoo_input_close(read)"));
803	YAHOO_CALLBACK(ext_yahoo_remove_handler) (yid->yd->client_id,
804	yid->read_tag);
805	LOG(("yahoo_input_close(write)"));
806	YAHOO_CALLBACK(ext_yahoo_remove_handler) (yid->yd->client_id,
807	yid->write_tag);
808	yid->read_tag = yid->write_tag = 0;
809	if (yid->fd)
810	YAHOO_CALLBACK(ext_yahoo_close) (yid->fd);
811	yid->fd = 0;
812	FREE(yid->rxqueue);
813	if (count_inputs_with_id(yid->yd->client_id) == 0) {
814	LOG(("closing %d", yid->yd->client_id));
815	yahoo_close(yid->yd->client_id);
816	}
817	yahoo_free_webcam(yid->wcm);
818	if (yid->wcd)
819	FREE(yid->wcd);
820	if (yid->ys) {
821	FREE(yid->ys->lsearch_text);
822	FREE(yid->ys);
823	}
824	FREE(yid);
825	}
826
827	static int is_same_bud(const void a, const void b)
828	{
829	const struct yahoo_buddy *subject = a;
830	const struct yahoo_buddy *object = b;
831
832	return strcmp(subject->id, object->id);
833	}
834
835	static char getcookie(char rawcookie)
836	{
837	char *cookie = NULL;
838	char *tmpcookie;
839	char *cookieend;
840
841	if (strlen(rawcookie) < 2)
842	return NULL;
843
844	tmpcookie = strdup(rawcookie + 2);
845	cookieend = strchr(tmpcookie, ';');
846
847	if (cookieend)
848	*cookieend = '\0';
849
850	cookie = strdup(tmpcookie);
851	FREE(tmpcookie);
852	/* cookieend=NULL; not sure why this was there since the value is not preserved in the stack -dd */
853
854	return cookie;
855	}
856
857	static char getlcookie(char cookie)
858	{
859	char *tmp;
860	char *tmpend;
861	char *login_cookie = NULL;
862
863	tmpend = strstr(cookie, "n=");
864	if (tmpend) {
865	tmp = strdup(tmpend + 2);
866	tmpend = strchr(tmp, '&');
867	if (tmpend)
868	*tmpend = '\0';
869	login_cookie = strdup(tmp);
870	FREE(tmp);
871	}
872
873	return login_cookie;
874	}
875
876	static void yahoo_process_notify(struct yahoo_input_data *yid,
877	struct yahoo_packet *pkt)
878	{
879	struct yahoo_data *yd = yid->yd;
880	char *msg = NULL;
881	char *from = NULL;
882	char *to = NULL;
883	int stat = 0;
884	int accept = 0;
885	char *ind = NULL;
886	YList *l;
887	for (l = pkt->hash; l; l = l->next) {
888	struct yahoo_pair *pair = l->data;
889	if (pair->key == 4)
890	from = pair->value;
891	if (pair->key == 5)
892	to = pair->value;
893	if (pair->key == 49)
894	msg = pair->value;
895	if (pair->key == 13)
896	stat = atoi(pair->value);
897	if (pair->key == 14)
898	ind = pair->value;
899	if (pair->key == 16) { /* status == -1 */
900	NOTICE((pair->value));
901	return;
902	}
903
904	}
905
906	if (!msg)
907	return;
908
909	if (!strncasecmp(msg, "TYPING", strlen("TYPING")))
910	YAHOO_CALLBACK(ext_yahoo_typing_notify) (yd->client_id, to,
911	from, stat);
912	else if (!strncasecmp(msg, "GAME", strlen("GAME")))
913	YAHOO_CALLBACK(ext_yahoo_game_notify) (yd->client_id, to, from,
914	stat, ind);
915	else if (!strncasecmp(msg, "WEBCAMINVITE", strlen("WEBCAMINVITE"))) {
916	if (!strcmp(ind, " ")) {
917	YAHOO_CALLBACK(ext_yahoo_webcam_invite) (yd->client_id,
918	to, from);
919	} else {
920	accept = atoi(ind);
921	/* accept the invitation (-1 = deny 1 = accept) */
922	if (accept < 0)
923	accept = 0;
924	YAHOO_CALLBACK(ext_yahoo_webcam_invite_reply) (yd->
925	client_id, to, from, accept);
926	}
927	} else
928	LOG(("Got unknown notification: %s", msg));
929	}
930
931	static void yahoo_process_conference(struct yahoo_input_data *yid,
932	struct yahoo_packet *pkt)
933	{
934	struct yahoo_data *yd = yid->yd;
935	char *msg = NULL;
936	char *host = NULL;
937	char *who = NULL;
938	char *room = NULL;
939	char *id = NULL;
940	int utf8 = 0;
941	YList *members = NULL;
942	YList *l;
943
944	for (l = pkt->hash; l; l = l->next) {
945	struct yahoo_pair *pair = l->data;
946	if (pair->key == 50)
947	host = pair->value;
948
949	if (pair->key == 52) { /* invite */
950	members = y_list_append(members, strdup(pair->value));
951	}
952	if (pair->key == 53) /* logon */
953	who = pair->value;
954	if (pair->key == 54) /* decline */
955	who = pair->value;
956	if (pair->key == 55) /* unavailable (status == 2) */
957	who = pair->value;
958	if (pair->key == 56) /* logoff */
959	who = pair->value;
960
961	if (pair->key == 57)
962	room = pair->value;
963
964	if (pair->key == 58) /* join message */
965	msg = pair->value;
966	if (pair->key == 14) /* decline/conf message */
967	msg = pair->value;
968
969	if (pair->key == 13) ;
970	if (pair->key == 16) /* error */
971	msg = pair->value;
972
973	if (pair->key == 1) /* my id */
974	id = pair->value;
975	if (pair->key == 3) /* message sender */
976	who = pair->value;
977
978	if (pair->key == 97)
979	utf8 = atoi(pair->value);
980	}
981
982	if (!room)
983	return;
984
985	if (host) {
986	for (l = members; l; l = l->next) {
987	char *w = l->data;
988	if (!strcmp(w, host))
989	break;
990	}
991	if (!l)
992	members = y_list_append(members, strdup(host));
993	}
994	/* invite, decline, join, left, message -> status == 1 */
995
996	switch (pkt->service) {
997	case YAHOO_SERVICE_CONFINVITE:
998	if (pkt->status == 2) ;
999	else if (members)
1000	YAHOO_CALLBACK(ext_yahoo_got_conf_invite) (yd->
1001	client_id, id, host, room, msg, members);
1002	else if (msg)
1003	YAHOO_CALLBACK(ext_yahoo_error) (yd->client_id, msg, 0,
1004	E_CONFNOTAVAIL);
1005	break;
1006	case YAHOO_SERVICE_CONFADDINVITE:
1007	if (pkt->status == 1)
1008	YAHOO_CALLBACK(ext_yahoo_got_conf_invite) (yd->
1009	client_id, id, host, room, msg, members);
1010	break;
1011	case YAHOO_SERVICE_CONFDECLINE:
1012	if (who)
1013	YAHOO_CALLBACK(ext_yahoo_conf_userdecline) (yd->
1014	client_id, id, who, room, msg);
1015	break;
1016	case YAHOO_SERVICE_CONFLOGON:
1017	if (who)
1018	YAHOO_CALLBACK(ext_yahoo_conf_userjoin) (yd->client_id,
1019	id, who, room);
1020	break;
1021	case YAHOO_SERVICE_CONFLOGOFF:
1022	if (who)
1023	YAHOO_CALLBACK(ext_yahoo_conf_userleave) (yd->client_id,
1024	id, who, room);
1025	break;
1026	case YAHOO_SERVICE_CONFMSG:
1027	if (who)
1028	YAHOO_CALLBACK(ext_yahoo_conf_message) (yd->client_id,
1029	id, who, room, msg, utf8);
1030	break;
1031	}
1032	}
1033
1034	static void yahoo_process_chat(struct yahoo_input_data *yid,
1035	struct yahoo_packet *pkt)
1036	{
1037	char *msg = NULL;
1038	char *id = NULL;
1039	char *who = NULL;
1040	char *room = NULL;
1041	char *topic = NULL;
1042	YList *members = NULL;
1043	struct yahoo_chat_member *currentmember = NULL;
1044	int msgtype = 1;
1045	int utf8 = 0;
1046	int firstjoin = 0;
1047	int membercount = 0;
1048	int chaterr = 0;
1049	YList *l;
1050
1051	yahoo_dump_unhandled(pkt);
1052	for (l = pkt->hash; l; l = l->next) {
1053	struct yahoo_pair *pair = l->data;
1054
1055	if (pair->key == 1) {
1056	/* My identity */
1057	id = pair->value;
1058	}
1059
1060	if (pair->key == 104) {
1061	/* Room name */
1062	room = pair->value;
1063	}
1064
1065	if (pair->key == 105) {
1066	/* Room topic */
1067	topic = pair->value;
1068	}
1069
1070	if (pair->key == 108) {
1071	/* Number of members in this packet */
1072	membercount = atoi(pair->value);
1073	}
1074
1075	if (pair->key == 109) {
1076	/* message sender */
1077	who = pair->value;
1078
1079	if (pkt->service == YAHOO_SERVICE_CHATJOIN) {
1080	currentmember =
1081	y_new0(struct yahoo_chat_member, 1);
1082	currentmember->id = strdup(pair->value);
1083	members = y_list_append(members, currentmember);
1084	}
1085	}
1086
1087	if (pair->key == 110) {
1088	/* age */
1089	if (pkt->service == YAHOO_SERVICE_CHATJOIN)
1090	currentmember->age = atoi(pair->value);
1091	}
1092
1093	if (pair->key == 113) {
1094	/* attribs */
1095	if (pkt->service == YAHOO_SERVICE_CHATJOIN)
1096	currentmember->attribs = atoi(pair->value);
1097	}
1098
1099	if (pair->key == 141) {
1100	/* alias */
1101	if (pkt->service == YAHOO_SERVICE_CHATJOIN)
1102	currentmember->alias = strdup(pair->value);
1103	}
1104
1105	if (pair->key == 142) {
1106	/* location */
1107	if (pkt->service == YAHOO_SERVICE_CHATJOIN)
1108	currentmember->location = strdup(pair->value);
1109	}
1110
1111	if (pair->key == 130) {
1112	/* first join */
1113	firstjoin = 1;
1114	}
1115
1116	if (pair->key == 117) {
1117	/* message */
1118	msg = pair->value;
1119	}
1120
1121	if (pair->key == 124) {
1122	/* Message type */
1123	msgtype = atoi(pair->value);
1124	}
1125	if (pair->key == 114) {
1126	/* message error not sure what all the pair values mean */
1127	/* but -1 means no session in room */
1128	chaterr = atoi(pair->value);
1129	}
1130	}
1131
1132	if (!room) {
1133	if (pkt->service == YAHOO_SERVICE_CHATLOGOUT) { /* yahoo originated chat logout */
1134	YAHOO_CALLBACK(ext_yahoo_chat_yahoologout) (yid->yd->
1135	client_id, id);
1136	return;
1137	}
1138	if (pkt->service == YAHOO_SERVICE_COMMENT && chaterr) {
1139	YAHOO_CALLBACK(ext_yahoo_chat_yahooerror) (yid->yd->
1140	client_id, id);
1141	return;
1142	}
1143
1144	WARNING(("We didn't get a room name, ignoring packet"));
1145	return;
1146	}
1147
1148	switch (pkt->service) {
1149	case YAHOO_SERVICE_CHATJOIN:
1150	if (y_list_length(members) != membercount) {
1151	WARNING(("Count of members doesn't match No. of members we got"));
1152	}
1153	if (firstjoin && members) {
1154	YAHOO_CALLBACK(ext_yahoo_chat_join) (yid->yd->client_id,
1155	id, room, topic, members, yid->fd);
1156	} else if (who) {
1157	if (y_list_length(members) != 1) {
1158	WARNING(("Got more than 1 member on a normal join"));
1159	}
1160	/* this should only ever have one, but just in case */
1161	while (members) {
1162	YList *n = members->next;
1163	currentmember = members->data;
1164	YAHOO_CALLBACK(ext_yahoo_chat_userjoin) (yid->
1165	yd->client_id, id, room, currentmember);
1166	y_list_free_1(members);
1167	members = n;
1168	}
1169	}
1170	break;
1171	case YAHOO_SERVICE_CHATEXIT:
1172	if (who) {
1173	YAHOO_CALLBACK(ext_yahoo_chat_userleave) (yid->yd->
1174	client_id, id, room, who);
1175	}
1176	break;
1177	case YAHOO_SERVICE_COMMENT:
1178	if (who) {
1179	YAHOO_CALLBACK(ext_yahoo_chat_message) (yid->yd->
1180	client_id, id, who, room, msg, msgtype, utf8);
1181	}
1182	break;
1183	}
1184	}
1185
1186	static void yahoo_process_message(struct yahoo_input_data *yid,
1187	struct yahoo_packet *pkt)
1188	{
1189	struct yahoo_data *yd = yid->yd;
1190	YList *l;
1191	YList *messages = NULL;
1192
1193	struct m {
1194	int i_31;
1195	int i_32;
1196	char *to;
1197	char *from;
1198	long tm;
1199	char *msg;
1200	int utf8;
1201	char *gunk;
1202	} *message = y_new0(struct m, 1);
1203
1204	for (l = pkt->hash; l; l = l->next) {
1205	struct yahoo_pair *pair = l->data;
1206	if (pair->key == 1 \|\| pair->key == 4) {
1207	if (!message->from)
1208	message->from = pair->value;
1209	} else if (pair->key == 5)
1210	message->to = pair->value;
1211	else if (pair->key == 15)
1212	message->tm = strtol(pair->value, NULL, 10);
1213	else if (pair->key == 97)
1214	message->utf8 = atoi(pair->value);
1215	/* This comes when the official client sends us a message */
1216	else if (pair->key == 429)
1217	message->gunk = pair->value;
1218	/* user message // sys message */
1219	else if (pair->key == 14 \|\| pair->key == 16)
1220	message->msg = pair->value;
1221	else if (pair->key == 31) {
1222	if (message->i_31) {
1223	messages = y_list_append(messages, message);
1224	message = y_new0(struct m, 1);
1225	}
1226	message->i_31 = atoi(pair->value);
1227	} else if (pair->key == 32)
1228	message->i_32 = atoi(pair->value);
1229	else
1230	LOG(("yahoo_process_message: status: %d, key: %d, value: %s", pkt->status, pair->key, pair->value));
1231	}
1232
1233	messages = y_list_append(messages, message);
1234
1235	for (l = messages; l; l = l->next) {
1236	message = l->data;
1237	if (pkt->service == YAHOO_SERVICE_SYSMESSAGE) {
1238	YAHOO_CALLBACK(ext_yahoo_system_message) (yd->client_id,
1239	message->to, message->from, message->msg);
1240	} else if (pkt->status <= 2 \|\| pkt->status == 5) {
1241	/* Confirm message receipt if we got the gunk */
1242	if(message->gunk) {
1243	struct yahoo_packet *outpkt;
1244
1245	outpkt = yahoo_packet_new(YAHOO_SERVICE_MESSAGE_CONFIRM,
1246	YPACKET_STATUS_DEFAULT, 0);
1247	yahoo_packet_hash(outpkt, 1, yd->user);
1248	yahoo_packet_hash(outpkt, 5, message->from);
1249	yahoo_packet_hash(outpkt, 302, "430");
1250	yahoo_packet_hash(outpkt, 430, message->gunk);
1251	yahoo_packet_hash(outpkt, 303, "430");
1252	yahoo_packet_hash(outpkt, 450, "0");
1253	yahoo_send_packet(yid, outpkt, 0);
1254
1255	yahoo_packet_free(outpkt);
1256	}
1257
1258	if (!strcmp(message->msg, "<ding>"))
1259	YAHOO_CALLBACK(ext_yahoo_got_buzz) (yd->client_id,
1260	message->to, message->from, message->tm);
1261	else
1262	YAHOO_CALLBACK(ext_yahoo_got_im) (yd->client_id,
1263	message->to, message->from, message->msg,
1264	message->tm, pkt->status, message->utf8);
1265	} else if (pkt->status == 0xffffffff) {
1266	YAHOO_CALLBACK(ext_yahoo_error) (yd->client_id,
1267	message->msg, 0, E_SYSTEM);
1268	}
1269	FREE(message);
1270	}
1271
1272	y_list_free(messages);
1273	}
1274
1275	/*
1276	* Here's what multi-level packets look like. Data in brackets is the value.
1277	*
1278	* 3 level:
1279	* =======
1280	*
1281	* 302 (318) - Beginning level 1
1282	* 300 (318) - Begin level 2
1283	* 302 (319) - End level 2 header
1284	* 300 (319) - Begin level 3
1285	* 301 (319) - End level 3
1286	* 303 (319) - End level 2
1287	* 303 (318) - End level 1
1288	*
1289	* 2 level:
1290	* =======
1291	*
1292	* 302 (315) - Beginning level 1
1293	* 300 (315) - Begin level 2
1294	* 301 (315) - End level 2
1295	* 303 (315) - End level 1
1296	*
1297	*/
1298	static void yahoo_process_status(struct yahoo_input_data *yid,
1299	struct yahoo_packet *pkt)
1300	{
1301	YList *l;
1302	struct yahoo_data *yd = yid->yd;
1303
1304	struct yahoo_process_status_entry *u;
1305
1306	YList *users = 0;
1307
1308	if (pkt->service == YAHOO_SERVICE_LOGOFF && pkt->status == -1) {
1309	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id,
1310	YAHOO_LOGIN_DUPL, NULL);
1311	return;
1312	}
1313
1314	/*
1315	* Status updates may be spread accross multiple packets and not
1316	* even on buddy boundaries, so keeping some state is important.
1317	* So, continue where we left off, and only add a user entry to
1318	* the list once it's complete (301-315 End buddy).
1319	*/
1320	u = yd->half_user;
1321
1322	for (l = pkt->hash; l; l = l->next) {
1323	struct yahoo_pair *pair = l->data;
1324
1325	switch (pair->key) {
1326	case 300: /* Begin buddy */
1327	if (!strcmp(pair->value, "315") && !u) {
1328	u = yd->half_user = y_new0(struct yahoo_process_status_entry, 1);
1329	}
1330	break;
1331	case 301: /* End buddy */
1332	if (!strcmp(pair->value, "315") && u) {
1333	/* Sometimes user info comes in an odd format with no
1334	"begin buddy" but with an "end buddy". Don't add
1335	it twice. */
1336	if (!y_list_find(users, u))
1337	users = y_list_prepend(users, u);
1338	u = yd->half_user = NULL;
1339	}
1340	break;
1341	case 0: /* we won't actually do anything with this */
1342	NOTICE(("key %d:%s", pair->key, pair->value));
1343	break;
1344	case 1: /* we don't get the full buddy list here. */
1345	if (!yd->logged_in) {
1346	yd->logged_in = 1;
1347	if (yd->current_status < 0)
1348	yd->current_status = yd->initial_status;
1349	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->
1350	client_id, YAHOO_LOGIN_OK, NULL);
1351	}
1352	break;
1353	case 8: /* how many online buddies we have */
1354	NOTICE(("key %d:%s", pair->key, pair->value));
1355	break;
1356	case 7: /* the current buddy */
1357	if (!u) {
1358	/* This will only happen in case of a single level message */
1359	u = y_new0(struct yahoo_process_status_entry, 1);
1360	users = y_list_prepend(users, u);
1361	}
1362	u->name = pair->value;
1363	break;
1364	case 10: /* state */
1365	u->state = strtol(pair->value, NULL, 10);
1366	break;
1367	case 19: /* custom status message */
1368	u->msg = pair->value;
1369	break;
1370	case 47: /* is it an away message or not. Not applicable for YMSG16 anymore */
1371	u->away = atoi(pair->value);
1372	break;
1373	case 137: /* seconds idle */
1374	u->idle = atoi(pair->value);
1375	break;
1376	case 11: /* this is the buddy's session id */
1377	u->buddy_session = atoi(pair->value);
1378	break;
1379	case 17: /* in chat? */
1380	u->f17 = atoi(pair->value);
1381	break;
1382	case 13: /* bitmask, bit 0 = pager, bit 1 = chat, bit 2 = game */
1383	u->flags = atoi(pair->value);
1384	break;
1385	case 60: /* SMS -> 1 MOBILE USER */
1386	/* sometimes going offline makes this 2, but invisible never sends it */
1387	u->mobile = atoi(pair->value);
1388	break;
1389	case 138:
1390	u->f138 = atoi(pair->value);
1391	break;
1392	case 184:
1393	u->f184 = pair->value;
1394	break;
1395	case 192:
1396	u->f192 = atoi(pair->value);
1397	break;
1398	case 10001:
1399	u->f10001 = atoi(pair->value);
1400	break;
1401	case 10002:
1402	u->f10002 = atoi(pair->value);
1403	break;
1404	case 198:
1405	u->f198 = atoi(pair->value);
1406	break;
1407	case 197:
1408	u->f197 = pair->value;
1409	break;
1410	case 205:
1411	u->f205 = pair->value;
1412	break;
1413	case 213:
1414	u->f213 = atoi(pair->value);
1415	break;
1416	case 16: /* Custom error message */
1417	YAHOO_CALLBACK(ext_yahoo_error) (yd->client_id,
1418	pair->value, 0, E_CUSTOM);
1419	break;
1420	default:
1421	WARNING(("unknown status key %d:%s", pair->key,
1422	pair->value));
1423	break;
1424	}
1425	}
1426
1427	while (users) {
1428	YList *t = users;
1429	struct yahoo_process_status_entry *u = users->data;
1430
1431	if (u->name != NULL) {
1432	if (pkt->service ==
1433	YAHOO_SERVICE_LOGOFF
1434	/\|\| u->flags == 0 No flags for YMSG16 / ) {
1435	YAHOO_CALLBACK(ext_yahoo_status_changed) (yd->
1436	client_id, u->name,
1437	YAHOO_STATUS_OFFLINE, NULL, 1, 0, 0);
1438	} else {
1439	/* Key 47 always seems to be 1 for YMSG16 */
1440	if (!u->state)
1441	u->away = 0;
1442	else
1443	u->away = 1;
1444
1445	YAHOO_CALLBACK(ext_yahoo_status_changed) (yd->
1446	client_id, u->name, u->state, u->msg,
1447	u->away, u->idle, u->mobile);
1448	}
1449	}
1450
1451	users = y_list_remove_link(users, users);
1452	y_list_free_1(t);
1453	FREE(u);
1454	}
1455	}
1456
1457	static void yahoo_process_buddy_list(struct yahoo_input_data *yid,
1458	struct yahoo_packet *pkt)
1459	{
1460	struct yahoo_data *yd = yid->yd;
1461	YList *l;
1462	int last_packet = 0;
1463	char *cur_group = NULL;
1464	struct yahoo_buddy *newbud = NULL;
1465
1466	/* we could be getting multiple packets here */
1467	for (l = pkt->hash; l; l = l->next) {
1468	struct yahoo_pair *pair = l->data;
1469
1470	switch (pair->key) {
1471	case 300:
1472	case 301:
1473	case 302:
1474	break; /* Separators. Our logic does not need them */
1475	case 303:
1476	if (318 == atoi(pair->value))
1477	last_packet = 1;
1478	break;
1479	case 65:
1480	cur_group = strdup(pair->value);
1481	break;
1482	case 7:
1483	newbud = y_new0(struct yahoo_buddy, 1);
1484	newbud->id = strdup(pair->value);
1485	if (cur_group)
1486	newbud->group = strdup(cur_group);
1487	else if (yd->buddies) {
1488	struct yahoo_buddy *lastbud =
1489	(struct yahoo_buddy *)y_list_nth(yd->
1490	buddies,
1491	y_list_length(yd->buddies) - 1)->data;
1492	newbud->group = strdup(lastbud->group);
1493	} else
1494	newbud->group = strdup("Buddies");
1495
1496	yd->buddies = y_list_append(yd->buddies, newbud);
1497
1498	break;
1499	}
1500	}
1501
1502	/* we could be getting multiple packets here */
1503	if (pkt->hash && !last_packet)
1504	return;
1505
1506	YAHOO_CALLBACK(ext_yahoo_got_buddies) (yd->client_id, yd->buddies);
1507
1508	/* Logged in */
1509	if (!yd->logged_in) {
1510	yd->logged_in = 1;
1511	if (yd->current_status < 0)
1512	yd->current_status = yd->initial_status;
1513	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id,
1514	YAHOO_LOGIN_OK, NULL);
1515
1516	/*
1517	yahoo_set_away(yd->client_id, yd->initial_status, NULL,
1518	(yd->initial_status == YAHOO_STATUS_AVAILABLE) ? 0 : 1);
1519
1520	yahoo_get_yab(yd->client_id);
1521	*/
1522	}
1523
1524	}
1525
1526	static void yahoo_process_list(struct yahoo_input_data *yid,
1527	struct yahoo_packet *pkt)
1528	{
1529	struct yahoo_data *yd = yid->yd;
1530	YList *l;
1531
1532	/* we could be getting multiple packets here */
1533	for (l = pkt->hash; l; l = l->next) {
1534	struct yahoo_pair *pair = l->data;
1535
1536	switch (pair->key) {
1537	case 89: /* identities */
1538	{
1539	char **identities =
1540	y_strsplit(pair->value, ",", -1);
1541	int i;
1542	for (i = 0; identities[i]; i++)
1543	yd->identities =
1544	y_list_append(yd->identities,
1545	strdup(identities[i]));
1546	y_strfreev(identities);
1547	}
1548	YAHOO_CALLBACK(ext_yahoo_got_identities) (yd->client_id,
1549	yd->identities);
1550	break;
1551	case 59: /* cookies */
1552	if (pair->value[0] == 'Y') {
1553	FREE(yd->cookie_y);
1554	FREE(yd->login_cookie);
1555
1556	yd->cookie_y = getcookie(pair->value);
1557	yd->login_cookie = getlcookie(yd->cookie_y);
1558
1559	} else if (pair->value[0] == 'T') {
1560	FREE(yd->cookie_t);
1561	yd->cookie_t = getcookie(pair->value);
1562
1563	} else if (pair->value[0] == 'C') {
1564	FREE(yd->cookie_c);
1565	yd->cookie_c = getcookie(pair->value);
1566	}
1567
1568	break;
1569	case 3: /* my id */
1570	case 90: /* 1 */
1571	case 100: /* 0 */
1572	case 101: /* NULL */
1573	case 102: /* NULL */
1574	case 93: /* 86400/1440 */
1575	break;
1576	}
1577	}
1578
1579	if (yd->cookie_y && yd->cookie_t) /* We don't get cookie_c anymore */
1580	YAHOO_CALLBACK(ext_yahoo_got_cookies) (yd->client_id);
1581	}
1582
1583	static void yahoo_process_verify(struct yahoo_input_data *yid,
1584	struct yahoo_packet *pkt)
1585	{
1586	struct yahoo_data *yd = yid->yd;
1587
1588	if (pkt->status != 0x01) {
1589	DEBUG_MSG(("expected status: 0x01, got: %d", pkt->status));
1590	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id,
1591	YAHOO_LOGIN_LOCK, "");
1592	return;
1593	}
1594
1595	pkt = yahoo_packet_new(YAHOO_SERVICE_AUTH, YPACKET_STATUS_DEFAULT,
1596	yd->session_id);
1597
1598	yahoo_packet_hash(pkt, 1, yd->user);
1599	yahoo_send_packet(yid, pkt, 0);
1600
1601	yahoo_packet_free(pkt);
1602
1603	}
1604
1605	static void yahoo_process_picture_checksum(struct yahoo_input_data *yid,
1606	struct yahoo_packet *pkt)
1607	{
1608	struct yahoo_data *yd = yid->yd;
1609	char *from = NULL;
1610	char *to = NULL;
1611	int checksum = 0;
1612	YList *l;
1613
1614	for (l = pkt->hash; l; l = l->next) {
1615	struct yahoo_pair *pair = l->data;
1616
1617	switch (pair->key) {
1618	case 1:
1619	case 4:
1620	from = pair->value;
1621	case 5:
1622	to = pair->value;
1623	break;
1624	case 212:
1625	break;
1626	case 192:
1627	checksum = atoi(pair->value);
1628	break;
1629	}
1630	}
1631
1632	YAHOO_CALLBACK(ext_yahoo_got_buddyicon_checksum) (yd->client_id, to,
1633	from, checksum);
1634	}
1635
1636	static void yahoo_process_picture(struct yahoo_input_data *yid,
1637	struct yahoo_packet *pkt)
1638	{
1639	struct yahoo_data *yd = yid->yd;
1640	char *url = NULL;
1641	char *from = NULL;
1642	char *to = NULL;
1643	int status = 0;
1644	int checksum = 0;
1645	YList *l;
1646
1647	for (l = pkt->hash; l; l = l->next) {
1648	struct yahoo_pair *pair = l->data;
1649
1650	switch (pair->key) {
1651	case 1:
1652	case 4: /* sender */
1653	from = pair->value;
1654	break;
1655	case 5: /* we */
1656	to = pair->value;
1657	break;
1658	case 13: /* request / sending */
1659	status = atoi(pair->value);
1660	break;
1661	case 20: /* url */
1662	url = pair->value;
1663	break;
1664	case 192: /checksum /
1665	checksum = atoi(pair->value);
1666	break;
1667	}
1668	}
1669
1670	switch (status) {
1671	case 1: /* this is a request, ignore for now */
1672	YAHOO_CALLBACK(ext_yahoo_got_buddyicon_request) (yd->client_id,
1673	to, from);
1674	break;
1675	case 2: /* this is cool - we get a picture :) */
1676	YAHOO_CALLBACK(ext_yahoo_got_buddyicon) (yd->client_id, to,
1677	from, url, checksum);
1678	break;
1679	}
1680	}
1681
1682	static void yahoo_process_picture_upload(struct yahoo_input_data *yid,
1683	struct yahoo_packet *pkt)
1684	{
1685	struct yahoo_data *yd = yid->yd;
1686	YList *l;
1687	char *url = NULL;
1688
1689	if (pkt->status != 1)
1690	return; /* something went wrong */
1691
1692	for (l = pkt->hash; l; l = l->next) {
1693	struct yahoo_pair *pair = l->data;
1694
1695	switch (pair->key) {
1696	case 5: /* we */
1697	break;
1698	case 20: /* url */
1699	url = pair->value;
1700	break;
1701	case 27: /* local filename */
1702	break;
1703	case 38: /* time */
1704	break;
1705	}
1706	}
1707
1708	YAHOO_CALLBACK(ext_yahoo_buddyicon_uploaded) (yd->client_id, url);
1709	}
1710
1711	void yahoo_login(int id, int initial)
1712	{
1713	struct yahoo_data *yd = find_conn_by_id(id);
1714	struct connect_callback_data *ccd;
1715	struct yahoo_server_settings *yss;
1716	int tag;
1717
1718	char *host;
1719
1720	struct yahoo_input_data *yid = y_new0(struct yahoo_input_data, 1);
1721	yid->yd = yd;
1722	yid->type = YAHOO_CONNECTION_PAGER;
1723	inputs = y_list_prepend(inputs, yid);
1724
1725	yd->initial_status = initial;
1726	yss = yd->server_settings;
1727
1728	ccd = y_new0(struct connect_callback_data, 1);
1729	ccd->yd = yd;
1730
1731	host = yss->pager_host;
1732
1733	if (!host)
1734	host = yss->pager_host_list[0];
1735
1736	tag = YAHOO_CALLBACK(ext_yahoo_connect_async) (yd->client_id,
1737	host, yss->pager_port, yahoo_connected, ccd, 0);
1738
1739	/*
1740	* if tag <= 0, then callback has already been called
1741	* so ccd will have been freed
1742	*/
1743	if (tag > 0)
1744	ccd->tag = tag;
1745	else if (tag < 0)
1746	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id,
1747	YAHOO_LOGIN_SOCK, NULL);
1748	}
1749
1750	struct yahoo_https_auth_data
1751	{
1752	struct yahoo_input_data *yid;
1753	char *token;
1754	char *chal;
1755	};
1756
1757	static void yahoo_https_auth_token_init(struct yahoo_https_auth_data *had);
1758	static void yahoo_https_auth_token_finish(struct http_request *req);
1759	static void yahoo_https_auth_init(struct yahoo_https_auth_data *had);
1760	static void yahoo_https_auth_finish(struct http_request *req);
1761
1762	/* Extract a value from a login.yahoo.com response. Assume CRLF-linebreaks
1763	and FAIL miserably if they're not there... */
1764	static char yahoo_ha_find_key(char response, char *key)
1765	{
1766	char s, end;
1767	int len = strlen(key);
1768
1769	s = response;
1770	do {
1771	if (strncmp(s, key, len) == 0 && s[len] == '=') {
1772	s += len + 1;
1773	if ((end = strchr(s, '\r')))
1774	return g_strndup(s, end - s);
1775	else
1776	return g_strdup(s);
1777	}
1778
1779	if ((s = strchr(s, '\n')))
1780	s ++;
1781	} while (s && *s);
1782
1783	return NULL;
1784	}
1785
1786	static enum yahoo_status yahoo_https_status_parse(int code)
1787	{
1788	switch (code)
1789	{
1790	case 1212: return YAHOO_LOGIN_PASSWD;
1791	case 1213: return YAHOO_LOGIN_LOCK;
1792	case 1235: return YAHOO_LOGIN_UNAME;
1793	default: return (enum yahoo_status) code;
1794	}
1795	}
1796
1797	static void yahoo_https_auth(struct yahoo_input_data yid, const char seed, const char *sn)
1798	{
1799	struct yahoo_https_auth_data *had = g_new0(struct yahoo_https_auth_data, 1);
1800
1801	had->yid = yid;
1802	had->chal = g_strdup(seed);
1803
1804	yahoo_https_auth_token_init(had);
1805	}
1806
1807	static void yahoo_https_auth_token_init(struct yahoo_https_auth_data *had)
1808	{
1809	struct yahoo_input_data *yid = had->yid;
1810	struct yahoo_data *yd = yid->yd;
1811	char login, passwd, *chal;
1812	char *url;
1813
1814	login = g_strndup(yd->user, 3 * strlen(yd->user));
1815	http_encode(login);
1816	passwd = g_strndup(yd->password, 3 * strlen(yd->password));
1817	http_encode(passwd);
1818	chal = g_strndup(had->chal, 3 * strlen(had->chal));
1819	http_encode(chal);
1820
1821	url = g_strdup_printf("https://login.yahoo.com/config/pwtoken_get?src=ymsgr&ts=%d&login=%s&passwd=%s&chal=%s",
1822	(int) time(NULL), login, passwd, chal);
1823
1824	http_dorequest_url(url, yahoo_https_auth_token_finish, had);
1825
1826	g_free(url);
1827	g_free(chal);
1828	g_free(passwd);
1829	g_free(login);
1830	}
1831
1832	static void yahoo_https_auth_token_finish(struct http_request *req)
1833	{
1834	struct yahoo_https_auth_data *had = req->data;
1835	struct yahoo_input_data *yid;
1836	struct yahoo_data *yd;
1837	int st;
1838
1839	if (y_list_find(inputs, had->yid) == NULL)
1840	return;
1841
1842	yid = had->yid;
1843	yd = yid->yd;
1844
1845	if (req->status_code != 200) {
1846	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id, 2000 + req->status_code, NULL);
1847	goto fail;
1848	}
1849
1850	if (sscanf(req->reply_body, "%d", &st) != 1 \|\| st != 0) {
1851	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id, yahoo_https_status_parse(st), NULL);
1852	goto fail;
1853	}
1854
1855	if ((had->token = yahoo_ha_find_key(req->reply_body, "ymsgr")) == NULL) {
1856	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id, 3001, NULL);
1857	goto fail;
1858	}
1859
1860	yahoo_https_auth_init(had);
1861	return;
1862
1863	fail:
1864	g_free(had->token);
1865	g_free(had->chal);
1866	g_free(had);
1867	}
1868
1869	static void yahoo_https_auth_init(struct yahoo_https_auth_data *had)
1870	{
1871	char *url;
1872
1873	url = g_strdup_printf("https://login.yahoo.com/config/pwtoken_login?src=ymsgr&ts=%d&token=%s",
1874	(int) time(NULL), had->token);
1875
1876	http_dorequest_url(url, yahoo_https_auth_finish, had);
1877
1878	g_free(url);
1879	}
1880
1881	static void yahoo_https_auth_finish(struct http_request *req)
1882	{
1883	struct yahoo_https_auth_data *had = req->data;
1884	struct yahoo_input_data *yid;
1885	struct yahoo_data *yd;
1886	struct yahoo_packet *pack;
1887	char *crumb = NULL;
1888	int st;
1889
1890	if (y_list_find(inputs, had->yid) == NULL)
1891	return;
1892
1893	yid = had->yid;
1894	yd = yid->yd;
1895
1896	md5_byte_t result[16];
1897	md5_state_t ctx;
1898
1899	unsigned char yhash[32];
1900
1901	if (req->status_code != 200) {
1902	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id, 2000 + req->status_code, NULL);
1903	goto fail;
1904	}
1905
1906	if (sscanf(req->reply_body, "%d", &st) != 1 \|\| st != 0) {
1907	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id, yahoo_https_status_parse(st), NULL);
1908	goto fail;
1909	}
1910
1911	if ((yd->cookie_y = yahoo_ha_find_key(req->reply_body, "Y")) == NULL \|\|
1912	(yd->cookie_t = yahoo_ha_find_key(req->reply_body, "T")) == NULL \|\|
1913	(crumb = yahoo_ha_find_key(req->reply_body, "crumb")) == NULL) {
1914	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id, 3002, NULL);
1915	goto fail;
1916	}
1917
1918	md5_init(&ctx);
1919	md5_append(&ctx, (unsigned char*) crumb, 11);
1920	md5_append(&ctx, (unsigned char*) had->chal, strlen(had->chal));
1921	md5_finish(&ctx, result);
1922	to_y64(yhash, result, 16);
1923
1924	pack = yahoo_packet_new(YAHOO_SERVICE_AUTHRESP, yd->initial_status, yd->session_id);
1925	yahoo_packet_hash(pack, 1, yd->user);
1926	yahoo_packet_hash(pack, 0, yd->user);
1927	yahoo_packet_hash(pack, 277, yd->cookie_y);
1928	yahoo_packet_hash(pack, 278, yd->cookie_t);
1929	yahoo_packet_hash(pack, 307, (char*) yhash);
1930	yahoo_packet_hash(pack, 244, "524223");
1931	yahoo_packet_hash(pack, 2, yd->user);
1932	yahoo_packet_hash(pack, 2, "1");
1933	yahoo_packet_hash(pack, 98, "us");
1934	yahoo_packet_hash(pack, 135, "7.5.0.647");
1935
1936	yahoo_send_packet(yid, pack, 0);
1937
1938	yahoo_packet_free(pack);
1939
1940	fail:
1941	g_free(crumb);
1942	g_free(had->token);
1943	g_free(had->chal);
1944	g_free(had);
1945	}
1946
1947	static void yahoo_process_auth(struct yahoo_input_data *yid,
1948	struct yahoo_packet *pkt)
1949	{
1950	char *seed = NULL;
1951	char *sn = NULL;
1952	YList *l = pkt->hash;
1953	int m = 0;
1954	struct yahoo_data *yd = yid->yd;
1955
1956	while (l) {
1957	struct yahoo_pair *pair = l->data;
1958
1959	switch (pair->key) {
1960	case 94:
1961	seed = pair->value;
1962	break;
1963	case 1:
1964	sn = pair->value;
1965	break;
1966	case 13:
1967	m = atoi(pair->value);
1968	break;
1969	}
1970	l = l->next;
1971	}
1972
1973	if (!seed)
1974	return;
1975
1976	if (m==2)
1977	yahoo_https_auth(yid, seed, sn);
1978	else {
1979	/* call error */
1980	WARNING(("unknown auth type %d", m));
1981	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id,
1982	YAHOO_LOGIN_UNKNOWN, NULL);
1983	}
1984	}
1985
1986	static void yahoo_process_auth_resp(struct yahoo_input_data *yid,
1987	struct yahoo_packet *pkt)
1988	{
1989	struct yahoo_data *yd = yid->yd;
1990	char *url = NULL;
1991	int login_status = -1;
1992
1993	YList *l;
1994
1995	for (l = pkt->hash; l; l = l->next) {
1996	struct yahoo_pair *pair = l->data;
1997	if (pair->key == 0)
1998	; /* login_id */
1999	else if (pair->key == 1)
2000	; /* handle */
2001	else if (pair->key == 20)
2002	url = pair->value;
2003	else if (pair->key == 66)
2004	login_status = atoi(pair->value);
2005	}
2006
2007	if (pkt->status == YPACKET_STATUS_DISCONNECTED) {
2008	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id,
2009	login_status, url);
2010	/* yahoo_logoff(yd->client_id); */
2011	}
2012	}
2013
2014	static void yahoo_process_mail(struct yahoo_input_data *yid,
2015	struct yahoo_packet *pkt)
2016	{
2017	struct yahoo_data *yd = yid->yd;
2018	char *who = NULL;
2019	char *email = NULL;
2020	char *subj = NULL;
2021	int count = 0;
2022	YList *l;
2023
2024	for (l = pkt->hash; l; l = l->next) {
2025	struct yahoo_pair *pair = l->data;
2026	if (pair->key == 9)
2027	count = strtol(pair->value, NULL, 10);
2028	else if (pair->key == 43)
2029	who = pair->value;
2030	else if (pair->key == 42)
2031	email = pair->value;
2032	else if (pair->key == 18)
2033	subj = pair->value;
2034	else
2035	LOG(("key: %d => value: %s", pair->key, pair->value));
2036	}
2037
2038	if (who && email && subj) {
2039	char from[1024];
2040	snprintf(from, sizeof(from), "%s (%s)", who, email);
2041	YAHOO_CALLBACK(ext_yahoo_mail_notify) (yd->client_id, from,
2042	subj, count);
2043	} else if (count > 0)
2044	YAHOO_CALLBACK(ext_yahoo_mail_notify) (yd->client_id, NULL,
2045	NULL, count);
2046	}
2047
2048	static void yahoo_process_new_contact(struct yahoo_input_data *yid,
2049	struct yahoo_packet *pkt)
2050	{
2051	struct yahoo_data *yd = yid->yd;
2052	char *me = NULL;
2053	char *who = NULL;
2054	char *msg = NULL;
2055	int online = -1;
2056
2057	YList *l;
2058
2059	for (l = pkt->hash; l; l = l->next) {
2060	struct yahoo_pair *pair = l->data;
2061	if (pair->key == 4)
2062	who = pair->value;
2063	else if (pair->key == 5)
2064	me = pair->value;
2065	else if (pair->key == 14)
2066	msg = pair->value;
2067	else if (pair->key == 13)
2068	online = strtol(pair->value, NULL, 10);
2069	}
2070
2071	if (who && online < 0)
2072	YAHOO_CALLBACK(ext_yahoo_contact_added) (yd->client_id, me, who,
2073	msg);
2074	else if (online == 2)
2075	YAHOO_CALLBACK(ext_yahoo_rejected) (yd->client_id, who, msg);
2076	}
2077
2078	/* UNUSED? */
2079	static void yahoo_process_contact(struct yahoo_input_data *yid,
2080	struct yahoo_packet *pkt)
2081	{
2082	struct yahoo_data *yd = yid->yd;
2083	char *id = NULL;
2084	char *who = NULL;
2085	char *msg = NULL;
2086	char *name = NULL;
2087	int state = YAHOO_STATUS_AVAILABLE;
2088	int away = 0;
2089	int idle = 0;
2090	int mobile = 0;
2091
2092	YList *l;
2093
2094	for (l = pkt->hash; l; l = l->next) {
2095	struct yahoo_pair *pair = l->data;
2096	if (pair->key == 1)
2097	id = pair->value;
2098	else if (pair->key == 3)
2099	who = pair->value;
2100	else if (pair->key == 14)
2101	msg = pair->value;
2102	else if (pair->key == 7)
2103	name = pair->value;
2104	else if (pair->key == 10)
2105	state = strtol(pair->value, NULL, 10);
2106	else if (pair->key == 15)
2107	; /* tm */
2108	else if (pair->key == 13)
2109	; /* online */
2110	else if (pair->key == 47)
2111	away = strtol(pair->value, NULL, 10);
2112	else if (pair->key == 137)
2113	idle = strtol(pair->value, NULL, 10);
2114	else if (pair->key == 60)
2115	mobile = strtol(pair->value, NULL, 10);
2116
2117	}
2118
2119	if (id)
2120	YAHOO_CALLBACK(ext_yahoo_contact_added) (yd->client_id, id, who,
2121	msg);
2122	else if (name)
2123	YAHOO_CALLBACK(ext_yahoo_status_changed) (yd->client_id, name,
2124	state, msg, away, idle, mobile);
2125	else if (pkt->status == 0x07)
2126	YAHOO_CALLBACK(ext_yahoo_rejected) (yd->client_id, who, msg);
2127	}
2128
2129	static void yahoo_process_buddyadd(struct yahoo_input_data *yid,
2130	struct yahoo_packet *pkt)
2131	{
2132	struct yahoo_data *yd = yid->yd;
2133	char *who = NULL;
2134	char *where = NULL;
2135	int status = 0;
2136
2137	struct yahoo_buddy *bud = NULL;
2138
2139	YList *l;
2140	for (l = pkt->hash; l; l = l->next) {
2141	struct yahoo_pair *pair = l->data;
2142	if (pair->key == 1)
2143	; /* Me... don't care */
2144	if (pair->key == 7)
2145	who = pair->value;
2146	if (pair->key == 65)
2147	where = pair->value;
2148	if (pair->key == 66)
2149	status = strtol(pair->value, NULL, 10);
2150	}
2151
2152	if (!who)
2153	return;
2154	if (!where)
2155	where = "Unknown";
2156
2157	bud = y_new0(struct yahoo_buddy, 1);
2158	bud->id = strdup(who);
2159	bud->group = strdup(where);
2160	bud->real_name = NULL;
2161
2162	yd->buddies = y_list_append(yd->buddies, bud);
2163
2164	#if 0
2165	/* BitlBee: This seems to be wrong in my experience. I think:
2166	status = 0: Success
2167	status = 2: Already on list
2168	status = 3: Doesn't exist
2169	status = 42: Invalid handle (possibly banned/reserved, I get it for
2170	handles like joe or jjjjjj)
2171	Haven't seen others yet. But whenever the add is successful, there
2172	will be a separate "went online" packet when the auth. request is
2173	accepted. Couldn't find any test account that doesn't require auth.
2174	unfortunately (if there is even such a thing?) */
2175
2176	/* A non-zero status (i've seen 2) seems to mean the buddy is already
2177	* added and is online */
2178	if (status) {
2179	LOG(("Setting online see packet for info"));
2180	yahoo_dump_unhandled(pkt);
2181	YAHOO_CALLBACK(ext_yahoo_status_changed) (yd->client_id, who,
2182	YAHOO_STATUS_AVAILABLE, NULL, 0, 0, 0);
2183	}
2184	#endif
2185	/* BitlBee: Need ACK of added buddy, if it was successful. */
2186	if (status == 0) {
2187	YList *tmp = y_list_append(NULL, bud);
2188	YAHOO_CALLBACK(ext_yahoo_got_buddies) (yd->client_id, tmp);
2189	y_list_free(tmp);
2190	}
2191	}
2192
2193	static void yahoo_process_buddydel(struct yahoo_input_data *yid,
2194	struct yahoo_packet *pkt)
2195	{
2196	struct yahoo_data *yd = yid->yd;
2197	char *who = NULL;
2198	char *where = NULL;
2199	struct yahoo_buddy *bud;
2200
2201	YList *buddy;
2202
2203	YList *l;
2204	for (l = pkt->hash; l; l = l->next) {
2205	struct yahoo_pair *pair = l->data;
2206	if (pair->key == 1)
2207	; /* Me... don't care */
2208	else if (pair->key == 7)
2209	who = pair->value;
2210	else if (pair->key == 65)
2211	where = pair->value;
2212	else if (pair->key == 66)
2213	; /* unk_66 */
2214	else
2215	DEBUG_MSG(("unknown key: %d = %s", pair->key,
2216	pair->value));
2217	}
2218
2219	if (!who \|\| !where)
2220	return;
2221
2222	bud = y_new0(struct yahoo_buddy, 1);
2223	bud->id = strdup(who);
2224	bud->group = strdup(where);
2225
2226	buddy = y_list_find_custom(yd->buddies, bud, is_same_bud);
2227
2228	FREE(bud->id);
2229	FREE(bud->group);
2230	FREE(bud);
2231
2232	if (buddy) {
2233	bud = buddy->data;
2234	yd->buddies = y_list_remove_link(yd->buddies, buddy);
2235	y_list_free_1(buddy);
2236
2237	FREE(bud->id);
2238	FREE(bud->group);
2239	FREE(bud->real_name);
2240	FREE(bud);
2241
2242	bud = NULL;
2243	}
2244	}
2245
2246	static void yahoo_process_ignore(struct yahoo_input_data *yid,
2247	struct yahoo_packet *pkt)
2248	{
2249	YList *l;
2250	for (l = pkt->hash; l; l = l->next) {
2251	struct yahoo_pair *pair = l->data;
2252	if (pair->key == 0)
2253	; /* who */
2254	if (pair->key == 1)
2255	; /* Me... don't care */
2256	if (pair->key == 13) /* 1 == ignore, 2 == unignore */
2257	;
2258	if (pair->key == 66)
2259	; /* status */
2260	}
2261
2262	/*
2263	* status
2264	* 0 - ok
2265	* 2 - already in ignore list, could not add
2266	* 3 - not in ignore list, could not delete
2267	* 12 - is a buddy, could not add
2268	*/
2269
2270	/* if(status)
2271	YAHOO_CALLBACK(ext_yahoo_error)(yd->client_id, who, 0, status);
2272	*/
2273	}
2274
2275	static void yahoo_process_voicechat(struct yahoo_input_data *yid,
2276	struct yahoo_packet *pkt)
2277	{
2278	char *who = NULL;
2279	char *me = NULL;
2280	char *room = NULL;
2281
2282	YList *l;
2283	for (l = pkt->hash; l; l = l->next) {
2284	struct yahoo_pair *pair = l->data;
2285	if (pair->key == 4)
2286	who = pair->value;
2287	if (pair->key == 5)
2288	me = pair->value;
2289	if (pair->key == 13)
2290	; /* voice room */
2291	if (pair->key == 57)
2292	room = pair->value;
2293	}
2294
2295	NOTICE(("got voice chat invite from %s in %s to identity %s", who, room,
2296	me));
2297	/*
2298	* send: s:0 1:me 5:who 57:room 13:1
2299	* ???? s:4 5:who 10:99 19:-1615114531
2300	* gotr: s:4 5:who 10:99 19:-1615114615
2301	* ???? s:1 5:me 4:who 57:room 13:3room
2302	* got: s:1 5:me 4:who 57:room 13:1room
2303	* rej: s:0 1:me 5:who 57:room 13:3
2304	* rejr: s:4 5:who 10:99 19:-1617114599
2305	*/
2306	}
2307
2308	static void yahoo_process_ping(struct yahoo_input_data *yid,
2309	struct yahoo_packet *pkt)
2310	{
2311	char *errormsg = NULL;
2312
2313	YList *l;
2314	for (l = pkt->hash; l; l = l->next) {
2315	struct yahoo_pair *pair = l->data;
2316	if (pair->key == 16)
2317	errormsg = pair->value;
2318	}
2319
2320	NOTICE(("got ping packet"));
2321	YAHOO_CALLBACK(ext_yahoo_got_ping) (yid->yd->client_id, errormsg);
2322	}
2323
2324	static void yahoo_process_buddy_change_group(struct yahoo_input_data *yid,
2325	struct yahoo_packet *pkt)
2326	{
2327	YList *l;
2328	char *me = NULL;
2329	char *who = NULL;
2330	char *old_group = NULL;
2331	char *new_group = NULL;
2332
2333	for (l = pkt->hash; l; l = l->next) {
2334	struct yahoo_pair *pair = l->data;
2335	if (pair->key == 1)
2336	me = pair->value;
2337	if (pair->key == 7)
2338	who = pair->value;
2339	if (pair->key == 224)
2340	old_group = pair->value;
2341	if (pair->key == 264)
2342	new_group = pair->value;
2343	}
2344
2345	YAHOO_CALLBACK(ext_yahoo_got_buddy_change_group) (yid->yd->client_id,
2346	me, who, old_group, new_group);
2347	}
2348
2349	static void _yahoo_webcam_get_server_connected(void fd, int error, void d)
2350	{
2351	struct yahoo_input_data *yid = d;
2352	char *who = yid->wcm->user;
2353	char *data = NULL;
2354	char *packet = NULL;
2355	unsigned char magic_nr[] = { 0, 1, 0 };
2356	unsigned char header_len = 8;
2357	unsigned int len = 0;
2358	unsigned int pos = 0;
2359
2360	if (error \|\| !fd) {
2361	FREE(who);
2362	FREE(yid);
2363	return;
2364	}
2365
2366	yid->fd = fd;
2367	inputs = y_list_prepend(inputs, yid);
2368
2369	/* send initial packet */
2370	if (who)
2371	data = strdup("<RVWCFG>");
2372	else
2373	data = strdup("<RUPCFG>");
2374	yahoo_add_to_send_queue(yid, data, strlen(data));
2375	FREE(data);
2376
2377	/* send data */
2378	if (who) {
2379	data = strdup("g=");
2380	data = y_string_append(data, who);
2381	data = y_string_append(data, "\r\n");
2382	} else {
2383	data = strdup("f=1\r\n");
2384	}
2385	len = strlen(data);
2386	packet = y_new0(char, header_len + len);
2387	packet[pos++] = header_len;
2388	memcpy(packet + pos, magic_nr, sizeof(magic_nr));
2389	pos += sizeof(magic_nr);
2390	pos += yahoo_put32(packet + pos, len);
2391	memcpy(packet + pos, data, len);
2392	pos += len;
2393	yahoo_add_to_send_queue(yid, packet, pos);
2394	FREE(packet);
2395	FREE(data);
2396
2397	yid->read_tag =
2398	YAHOO_CALLBACK(ext_yahoo_add_handler) (yid->yd->client_id, fd,
2399	YAHOO_INPUT_READ, yid);
2400	}
2401
2402	static void yahoo_webcam_get_server(struct yahoo_input_data y, char who,
2403	char *key)
2404	{
2405	struct yahoo_input_data *yid = y_new0(struct yahoo_input_data, 1);
2406	struct yahoo_server_settings *yss = y->yd->server_settings;
2407
2408	yid->type = YAHOO_CONNECTION_WEBCAM_MASTER;
2409	yid->yd = y->yd;
2410	yid->wcm = y_new0(struct yahoo_webcam, 1);
2411	yid->wcm->user = who ? strdup(who) : NULL;
2412	yid->wcm->direction = who ? YAHOO_WEBCAM_DOWNLOAD : YAHOO_WEBCAM_UPLOAD;
2413	yid->wcm->key = strdup(key);
2414
2415	YAHOO_CALLBACK(ext_yahoo_connect_async) (yid->yd->client_id,
2416	yss->webcam_host, yss->webcam_port,
2417	_yahoo_webcam_get_server_connected, yid, 0);
2418
2419	}
2420
2421	static YList *webcam_queue = NULL;
2422	static void yahoo_process_webcam_key(struct yahoo_input_data *yid,
2423	struct yahoo_packet *pkt)
2424	{
2425	char *key = NULL;
2426	char *who = NULL;
2427
2428	YList *l;
2429	yahoo_dump_unhandled(pkt);
2430	for (l = pkt->hash; l; l = l->next) {
2431	struct yahoo_pair *pair = l->data;
2432	if (pair->key == 5)
2433	; /* me */
2434	if (pair->key == 61)
2435	key = pair->value;
2436	}
2437
2438	l = webcam_queue;
2439	if (!l)
2440	return;
2441	who = l->data;
2442	webcam_queue = y_list_remove_link(webcam_queue, webcam_queue);
2443	y_list_free_1(l);
2444	yahoo_webcam_get_server(yid, who, key);
2445	FREE(who);
2446	}
2447
2448	static void yahoo_packet_process(struct yahoo_input_data *yid,
2449	struct yahoo_packet *pkt)
2450	{
2451	DEBUG_MSG(("yahoo_packet_process: 0x%02x", pkt->service));
2452	switch (pkt->service) {
2453	case YAHOO_SERVICE_USERSTAT:
2454	case YAHOO_SERVICE_LOGON:
2455	case YAHOO_SERVICE_LOGOFF:
2456	case YAHOO_SERVICE_ISAWAY:
2457	case YAHOO_SERVICE_ISBACK:
2458	case YAHOO_SERVICE_GAMELOGON:
2459	case YAHOO_SERVICE_GAMELOGOFF:
2460	case YAHOO_SERVICE_IDACT:
2461	case YAHOO_SERVICE_IDDEACT:
2462	case YAHOO_SERVICE_Y6_STATUS_UPDATE:
2463	case YAHOO_SERVICE_Y8_STATUS:
2464	yahoo_process_status(yid, pkt);
2465	break;
2466	case YAHOO_SERVICE_NOTIFY:
2467	yahoo_process_notify(yid, pkt);
2468	break;
2469	case YAHOO_SERVICE_MESSAGE:
2470	case YAHOO_SERVICE_GAMEMSG:
2471	case YAHOO_SERVICE_SYSMESSAGE:
2472	yahoo_process_message(yid, pkt);
2473	break;
2474	case YAHOO_SERVICE_NEWMAIL:
2475	yahoo_process_mail(yid, pkt);
2476	break;
2477	case YAHOO_SERVICE_Y7_AUTHORIZATION:
2478	yahoo_process_new_contact(yid, pkt);
2479	break;
2480	case YAHOO_SERVICE_NEWCONTACT:
2481	yahoo_process_contact(yid, pkt);
2482	break;
2483	case YAHOO_SERVICE_LIST:
2484	yahoo_process_list(yid, pkt);
2485	break;
2486	case YAHOO_SERVICE_VERIFY:
2487	yahoo_process_verify(yid, pkt);
2488	break;
2489	case YAHOO_SERVICE_AUTH:
2490	yahoo_process_auth(yid, pkt);
2491	break;
2492	case YAHOO_SERVICE_AUTHRESP:
2493	yahoo_process_auth_resp(yid, pkt);
2494	break;
2495	case YAHOO_SERVICE_CONFINVITE:
2496	case YAHOO_SERVICE_CONFADDINVITE:
2497	case YAHOO_SERVICE_CONFDECLINE:
2498	case YAHOO_SERVICE_CONFLOGON:
2499	case YAHOO_SERVICE_CONFLOGOFF:
2500	case YAHOO_SERVICE_CONFMSG:
2501	yahoo_process_conference(yid, pkt);
2502	break;
2503	case YAHOO_SERVICE_CHATONLINE:
2504	case YAHOO_SERVICE_CHATGOTO:
2505	case YAHOO_SERVICE_CHATJOIN:
2506	case YAHOO_SERVICE_CHATLEAVE:
2507	case YAHOO_SERVICE_CHATEXIT:
2508	case YAHOO_SERVICE_CHATLOGOUT:
2509	case YAHOO_SERVICE_CHATPING:
2510	case YAHOO_SERVICE_COMMENT:
2511	yahoo_process_chat(yid, pkt);
2512	break;
2513	case YAHOO_SERVICE_P2PFILEXFER:
2514	case YAHOO_SERVICE_Y7_FILETRANSFER:
2515	yahoo_process_filetransfer(yid, pkt);
2516	break;
2517	case YAHOO_SERVICE_Y7_FILETRANSFERINFO:
2518	yahoo_process_filetransferinfo(yid, pkt);
2519	break;
2520	case YAHOO_SERVICE_Y7_FILETRANSFERACCEPT:
2521	yahoo_process_filetransferaccept(yid, pkt);
2522	break;
2523	case YAHOO_SERVICE_ADDBUDDY:
2524	yahoo_process_buddyadd(yid, pkt);
2525	break;
2526	case YAHOO_SERVICE_REMBUDDY:
2527	yahoo_process_buddydel(yid, pkt);
2528	break;
2529	case YAHOO_SERVICE_IGNORECONTACT:
2530	yahoo_process_ignore(yid, pkt);
2531	break;
2532	case YAHOO_SERVICE_VOICECHAT:
2533	yahoo_process_voicechat(yid, pkt);
2534	break;
2535	case YAHOO_SERVICE_WEBCAM:
2536	yahoo_process_webcam_key(yid, pkt);
2537	break;
2538	case YAHOO_SERVICE_PING:
2539	yahoo_process_ping(yid, pkt);
2540	break;
2541	case YAHOO_SERVICE_Y7_CHANGE_GROUP:
2542	yahoo_process_buddy_change_group(yid, pkt);
2543	break;
2544	case YAHOO_SERVICE_IDLE:
2545	case YAHOO_SERVICE_MAILSTAT:
2546	case YAHOO_SERVICE_CHATINVITE:
2547	case YAHOO_SERVICE_CALENDAR:
2548	case YAHOO_SERVICE_NEWPERSONALMAIL:
2549	case YAHOO_SERVICE_ADDIDENT:
2550	case YAHOO_SERVICE_ADDIGNORE:
2551	case YAHOO_SERVICE_GOTGROUPRENAME:
2552	case YAHOO_SERVICE_GROUPRENAME:
2553	case YAHOO_SERVICE_PASSTHROUGH2:
2554	case YAHOO_SERVICE_CHATLOGON:
2555	case YAHOO_SERVICE_CHATLOGOFF:
2556	case YAHOO_SERVICE_CHATMSG:
2557	case YAHOO_SERVICE_REJECTCONTACT:
2558	case YAHOO_SERVICE_PEERTOPEER:
2559	WARNING(("unhandled service 0x%02x", pkt->service));
2560	yahoo_dump_unhandled(pkt);
2561	break;
2562	case YAHOO_SERVICE_PICTURE:
2563	yahoo_process_picture(yid, pkt);
2564	break;
2565	case YAHOO_SERVICE_PICTURE_CHECKSUM:
2566	yahoo_process_picture_checksum(yid, pkt);
2567	break;
2568	case YAHOO_SERVICE_PICTURE_UPLOAD:
2569	yahoo_process_picture_upload(yid, pkt);
2570	break;
2571	case YAHOO_SERVICE_Y8_LIST: /* Buddy List */
2572	yahoo_process_buddy_list(yid, pkt);
2573	break;
2574	default:
2575	WARNING(("unknown service 0x%02x", pkt->service));
2576	yahoo_dump_unhandled(pkt);
2577	break;
2578	}
2579	}
2580
2581	static struct yahoo_packet yahoo_getdata(struct yahoo_input_data yid)
2582	{
2583	struct yahoo_packet *pkt;
2584	struct yahoo_data *yd = yid->yd;
2585	int pos = 0;
2586	int pktlen;
2587
2588	if (!yd)
2589	return NULL;
2590
2591	DEBUG_MSG(("rxlen is %d", yid->rxlen));
2592	if (yid->rxlen < YAHOO_PACKET_HDRLEN) {
2593	DEBUG_MSG(("len < YAHOO_PACKET_HDRLEN"));
2594	return NULL;
2595	}
2596
2597	pos += 4; /* YMSG */
2598	pos += 2;
2599	pos += 2;
2600
2601	pktlen = yahoo_get16(yid->rxqueue + pos);
2602	pos += 2;
2603	DEBUG_MSG(("%d bytes to read, rxlen is %d", pktlen, yid->rxlen));
2604
2605	if (yid->rxlen < (YAHOO_PACKET_HDRLEN + pktlen)) {
2606	DEBUG_MSG(("len < YAHOO_PACKET_HDRLEN + pktlen"));
2607	return NULL;
2608	}
2609
2610	LOG(("reading packet"));
2611	yahoo_packet_dump(yid->rxqueue, YAHOO_PACKET_HDRLEN + pktlen);
2612
2613	pkt = yahoo_packet_new(0, 0, 0);
2614
2615	pkt->service = yahoo_get16(yid->rxqueue + pos);
2616	pos += 2;
2617	pkt->status = yahoo_get32(yid->rxqueue + pos);
2618	pos += 4;
2619	DEBUG_MSG(("Yahoo Service: 0x%02x Status: %d", pkt->service,
2620	pkt->status));
2621	pkt->id = yahoo_get32(yid->rxqueue + pos);
2622	pos += 4;
2623
2624	yd->session_id = pkt->id;
2625
2626	yahoo_packet_read(pkt, yid->rxqueue + pos, pktlen);
2627
2628	yid->rxlen -= YAHOO_PACKET_HDRLEN + pktlen;
2629	DEBUG_MSG(("rxlen == %d, rxqueue == %p", yid->rxlen, yid->rxqueue));
2630	if (yid->rxlen > 0) {
2631	unsigned char *tmp = y_memdup(yid->rxqueue + YAHOO_PACKET_HDRLEN
2632	+ pktlen, yid->rxlen);
2633	FREE(yid->rxqueue);
2634	yid->rxqueue = tmp;
2635	DEBUG_MSG(("new rxlen == %d, rxqueue == %p", yid->rxlen,
2636	yid->rxqueue));
2637	} else {
2638	DEBUG_MSG(("freed rxqueue == %p", yid->rxqueue));
2639	FREE(yid->rxqueue);
2640	}
2641
2642	return pkt;
2643	}
2644
2645	static struct yab yahoo_yab_read(unsigned char d, int len)
2646	{
2647	char st, en;
2648	char data = (char )d;
2649	struct yab *yab = NULL;
2650
2651	data[len] = '\0';
2652
2653	DEBUG_MSG(("Got yab: %s", data));
2654	st = en = strstr(data, "e0=\"");
2655	if (st) {
2656	yab = y_new0(struct yab, 1);
2657
2658	st += strlen("e0=\"");
2659	en = strchr(st, '"');
2660	*en++ = '\0';
2661	yab->email = yahoo_xmldecode(st);
2662	}
2663
2664	if (!en)
2665	return NULL;
2666
2667	st = strstr(en, "id=\"");
2668	if (st) {
2669	st += strlen("id=\"");
2670	en = strchr(st, '"');
2671	*en++ = '\0';
2672	yab->yid = atoi(yahoo_xmldecode(st));
2673	}
2674
2675	st = strstr(en, "fn=\"");
2676	if (st) {
2677	st += strlen("fn=\"");
2678	en = strchr(st, '"');
2679	*en++ = '\0';
2680	yab->fname = yahoo_xmldecode(st);
2681	}
2682
2683	st = strstr(en, "ln=\"");
2684	if (st) {
2685	st += strlen("ln=\"");
2686	en = strchr(st, '"');
2687	*en++ = '\0';
2688	yab->lname = yahoo_xmldecode(st);
2689	}
2690
2691	st = strstr(en, "nn=\"");
2692	if (st) {
2693	st += strlen("nn=\"");
2694	en = strchr(st, '"');
2695	*en++ = '\0';
2696	yab->nname = yahoo_xmldecode(st);
2697	}
2698
2699	st = strstr(en, "yi=\"");
2700	if (st) {
2701	st += strlen("yi=\"");
2702	en = strchr(st, '"');
2703	*en++ = '\0';
2704	yab->id = yahoo_xmldecode(st);
2705	}
2706
2707	st = strstr(en, "hphone=\"");
2708	if (st) {
2709	st += strlen("hphone=\"");
2710	en = strchr(st, '"');
2711	*en++ = '\0';
2712	yab->hphone = yahoo_xmldecode(st);
2713	}
2714
2715	st = strstr(en, "wphone=\"");
2716	if (st) {
2717	st += strlen("wphone=\"");
2718	en = strchr(st, '"');
2719	*en++ = '\0';
2720	yab->wphone = yahoo_xmldecode(st);
2721	}
2722
2723	st = strstr(en, "mphone=\"");
2724	if (st) {
2725	st += strlen("mphone=\"");
2726	en = strchr(st, '"');
2727	*en++ = '\0';
2728	yab->mphone = yahoo_xmldecode(st);
2729	}
2730
2731	st = strstr(en, "dbid=\"");
2732	if (st) {
2733	st += strlen("dbid=\"");
2734	en = strchr(st, '"');
2735	*en++ = '\0';
2736	yab->dbid = atoi(st);
2737	}
2738
2739	return yab;
2740	}
2741
2742	static struct yab yahoo_getyab(struct yahoo_input_data yid)
2743	{
2744	struct yab *yab = NULL;
2745	int pos = 0, end = 0;
2746	struct yahoo_data *yd = yid->yd;
2747
2748	if (!yd)
2749	return NULL;
2750
2751	do {
2752	DEBUG_MSG(("rxlen is %d", yid->rxlen));
2753
2754	if (yid->rxlen <= strlen("<ct"))
2755	return NULL;
2756
2757	/* start with <ct */
2758	while (pos < yid->rxlen - strlen("<ct") + 1
2759	&& memcmp(yid->rxqueue + pos, "<ct", strlen("<ct")))
2760	pos++;
2761
2762	if (pos >= yid->rxlen - 1)
2763	return NULL;
2764
2765	end = pos + 2;
2766	/* end with > */
2767	while (end < yid->rxlen - strlen(">")
2768	&& memcmp(yid->rxqueue + end, ">", strlen(">")))
2769	end++;
2770
2771	if (end >= yid->rxlen - 1)
2772	return NULL;
2773
2774	yab = yahoo_yab_read(yid->rxqueue + pos, end + 2 - pos);
2775
2776	yid->rxlen -= end + 1;
2777	DEBUG_MSG(("rxlen == %d, rxqueue == %p", yid->rxlen,
2778	yid->rxqueue));
2779	if (yid->rxlen > 0) {
2780	unsigned char *tmp =
2781	y_memdup(yid->rxqueue + end + 1, yid->rxlen);
2782	FREE(yid->rxqueue);
2783	yid->rxqueue = tmp;
2784	DEBUG_MSG(("new rxlen == %d, rxqueue == %p", yid->rxlen,
2785	yid->rxqueue));
2786	} else {
2787	DEBUG_MSG(("freed rxqueue == %p", yid->rxqueue));
2788	FREE(yid->rxqueue);
2789	}
2790
2791	} while (!yab && end < yid->rxlen - 1);
2792
2793	return yab;
2794	}
2795
2796	static char yahoo_getwebcam_master(struct yahoo_input_data yid)
2797	{
2798	unsigned int pos = 0;
2799	unsigned int len = 0;
2800	unsigned int status = 0;
2801	char *server = NULL;
2802	struct yahoo_data *yd = yid->yd;
2803
2804	if (!yid \|\| !yd)
2805	return NULL;
2806
2807	DEBUG_MSG(("rxlen is %d", yid->rxlen));
2808
2809	len = yid->rxqueue[pos++];
2810	if (yid->rxlen < len)
2811	return NULL;
2812
2813	/* extract status (0 = ok, 6 = webcam not online) */
2814	status = yid->rxqueue[pos++];
2815
2816	if (status == 0) {
2817	pos += 2; /* skip next 2 bytes */
2818	server = y_memdup(yid->rxqueue + pos, 16);
2819	pos += 16;
2820	} else if (status == 6) {
2821	YAHOO_CALLBACK(ext_yahoo_webcam_closed)
2822	(yd->client_id, yid->wcm->user, 4);
2823	}
2824
2825	/* skip rest of the data */
2826
2827	yid->rxlen -= len;
2828	DEBUG_MSG(("rxlen == %d, rxqueue == %p", yid->rxlen, yid->rxqueue));
2829	if (yid->rxlen > 0) {
2830	unsigned char *tmp = y_memdup(yid->rxqueue + pos, yid->rxlen);
2831	FREE(yid->rxqueue);
2832	yid->rxqueue = tmp;
2833	DEBUG_MSG(("new rxlen == %d, rxqueue == %p", yid->rxlen,
2834	yid->rxqueue));
2835	} else {
2836	DEBUG_MSG(("freed rxqueue == %p", yid->rxqueue));
2837	FREE(yid->rxqueue);
2838	}
2839
2840	return server;
2841	}
2842
2843	static int yahoo_get_webcam_data(struct yahoo_input_data *yid)
2844	{
2845	unsigned char reason = 0;
2846	unsigned int pos = 0;
2847	unsigned int begin = 0;
2848	unsigned int end = 0;
2849	unsigned int closed = 0;
2850	unsigned char header_len = 0;
2851	char *who;
2852	int connect = 0;
2853	struct yahoo_data *yd = yid->yd;
2854
2855	if (!yd)
2856	return -1;
2857
2858	if (!yid->wcm \|\| !yid->wcd \|\| !yid->rxlen)
2859	return -1;
2860
2861	DEBUG_MSG(("rxlen is %d", yid->rxlen));
2862
2863	/* if we are not reading part of image then read header */
2864	if (!yid->wcd->to_read) {
2865	header_len = yid->rxqueue[pos++];
2866	yid->wcd->packet_type = 0;
2867
2868	if (yid->rxlen < header_len)
2869	return 0;
2870
2871	if (header_len >= 8) {
2872	reason = yid->rxqueue[pos++];
2873	/* next 2 bytes should always be 05 00 */
2874	pos += 2;
2875	yid->wcd->data_size = yahoo_get32(yid->rxqueue + pos);
2876	pos += 4;
2877	yid->wcd->to_read = yid->wcd->data_size;
2878	}
2879	if (header_len >= 13) {
2880	yid->wcd->packet_type = yid->rxqueue[pos++];
2881	yid->wcd->timestamp = yahoo_get32(yid->rxqueue + pos);
2882	pos += 4;
2883	}
2884
2885	/* skip rest of header */
2886	pos = header_len;
2887	}
2888
2889	begin = pos;
2890	pos += yid->wcd->to_read;
2891	if (pos > yid->rxlen)
2892	pos = yid->rxlen;
2893
2894	/* if it is not an image then make sure we have the whole packet */
2895	if (yid->wcd->packet_type != 0x02) {
2896	if ((pos - begin) != yid->wcd->data_size) {
2897	yid->wcd->to_read = 0;
2898	return 0;
2899	} else {
2900	yahoo_packet_dump(yid->rxqueue + begin, pos - begin);
2901	}
2902	}
2903
2904	DEBUG_MSG(("packet type %.2X, data length %d", yid->wcd->packet_type,
2905	yid->wcd->data_size));
2906
2907	/* find out what kind of packet we got */
2908	switch (yid->wcd->packet_type) {
2909	case 0x00:
2910	/* user requests to view webcam (uploading) */
2911	if (yid->wcd->data_size &&
2912	yid->wcm->direction == YAHOO_WEBCAM_UPLOAD) {
2913	end = begin;
2914	while (end <= yid->rxlen && yid->rxqueue[end++] != 13) ;
2915	if (end > begin) {
2916	who = y_memdup(yid->rxqueue + begin,
2917	end - begin);
2918	who[end - begin - 1] = 0;
2919	YAHOO_CALLBACK(ext_yahoo_webcam_viewer) (yd->
2920	client_id, who + 2, 2);
2921	FREE(who);
2922	}
2923	}
2924
2925	if (yid->wcm->direction == YAHOO_WEBCAM_DOWNLOAD) {
2926	/* timestamp/status field */
2927	/* 0 = declined viewing permission */
2928	/* 1 = accepted viewing permission */
2929	if (yid->wcd->timestamp == 0) {
2930	YAHOO_CALLBACK(ext_yahoo_webcam_closed) (yd->
2931	client_id, yid->wcm->user, 3);
2932	}
2933	}
2934	break;
2935	case 0x01: /* status packets?? */
2936	/* timestamp contains status info */
2937	/* 00 00 00 01 = we have data?? */
2938	break;
2939	case 0x02: /* image data */
2940	YAHOO_CALLBACK(ext_yahoo_got_webcam_image) (yd->client_id,
2941	yid->wcm->user, yid->rxqueue + begin,
2942	yid->wcd->data_size, pos - begin, yid->wcd->timestamp);
2943	break;
2944	case 0x05: /* response packets when uploading */
2945	if (!yid->wcd->data_size) {
2946	YAHOO_CALLBACK(ext_yahoo_webcam_data_request) (yd->
2947	client_id, yid->wcd->timestamp);
2948	}
2949	break;
2950	case 0x07: /* connection is closing */
2951	switch (reason) {
2952	case 0x01: /* user closed connection */
2953	closed = 1;
2954	break;
2955	case 0x0F: /* user cancelled permission */
2956	closed = 2;
2957	break;
2958	}
2959	YAHOO_CALLBACK(ext_yahoo_webcam_closed) (yd->client_id,
2960	yid->wcm->user, closed);
2961	break;
2962	case 0x0C: /* user connected */
2963	case 0x0D: /* user disconnected */
2964	if (yid->wcd->data_size) {
2965	who = y_memdup(yid->rxqueue + begin, pos - begin + 1);
2966	who[pos - begin] = 0;
2967	if (yid->wcd->packet_type == 0x0C)
2968	connect = 1;
2969	else
2970	connect = 0;
2971	YAHOO_CALLBACK(ext_yahoo_webcam_viewer) (yd->client_id,
2972	who, connect);
2973	FREE(who);
2974	}
2975	break;
2976	case 0x13: /* user data */
2977	/* i=user_ip (ip of the user we are viewing) */
2978	/* j=user_ext_ip (external ip of the user we */
2979	/* are viewing) */
2980	break;
2981	case 0x17: /* ?? */
2982	break;
2983	}
2984	yid->wcd->to_read -= pos - begin;
2985
2986	yid->rxlen -= pos;
2987	DEBUG_MSG(("rxlen == %d, rxqueue == %p", yid->rxlen, yid->rxqueue));
2988	if (yid->rxlen > 0) {
2989	unsigned char *tmp = y_memdup(yid->rxqueue + pos, yid->rxlen);
2990	FREE(yid->rxqueue);
2991	yid->rxqueue = tmp;
2992	DEBUG_MSG(("new rxlen == %d, rxqueue == %p", yid->rxlen,
2993	yid->rxqueue));
2994	} else {
2995	DEBUG_MSG(("freed rxqueue == %p", yid->rxqueue));
2996	FREE(yid->rxqueue);
2997	}
2998
2999	/* If we read a complete packet return success */
3000	if (!yid->wcd->to_read)
3001	return 1;
3002
3003	return 0;
3004	}
3005
3006	int yahoo_write_ready(int id, void fd, void data)
3007	{
3008	struct yahoo_input_data *yid = data;
3009	int len;
3010	struct data_queue *tx;
3011
3012	LOG(("write callback: id=%d fd=%p data=%p", id, fd, data));
3013	if (!yid \|\| !yid->txqueues)
3014	return -2;
3015
3016	tx = yid->txqueues->data;
3017	LOG(("writing %d bytes", tx->len));
3018	len = yahoo_send_data(fd, tx->queue, MIN(1024, tx->len));
3019
3020	if (len == -1 && errno == EAGAIN)
3021	return 1;
3022
3023	if (len <= 0) {
3024	int e = errno;
3025	DEBUG_MSG(("len == %d (<= 0)", len));
3026	while (yid->txqueues) {
3027	YList *l = yid->txqueues;
3028	tx = l->data;
3029	free(tx->queue);
3030	free(tx);
3031	yid->txqueues =
3032	y_list_remove_link(yid->txqueues,
3033	yid->txqueues);
3034	y_list_free_1(l);
3035	}
3036	LOG(("yahoo_write_ready(%d, %p) len < 0", id, fd));
3037	YAHOO_CALLBACK(ext_yahoo_remove_handler) (id, yid->write_tag);
3038	yid->write_tag = 0;
3039	errno = e;
3040	return 0;
3041	}
3042
3043
3044	tx->len -= len;
3045	if (tx->len > 0) {
3046	unsigned char *tmp = y_memdup(tx->queue + len, tx->len);
3047	FREE(tx->queue);
3048	tx->queue = tmp;
3049	} else {
3050	YList *l = yid->txqueues;
3051	free(tx->queue);
3052	free(tx);
3053	yid->txqueues =
3054	y_list_remove_link(yid->txqueues, yid->txqueues);
3055	y_list_free_1(l);
3056	/*
3057	if(!yid->txqueues)
3058	LOG(("yahoo_write_ready(%d, %d) !yxqueues", id, fd));
3059	*/
3060	if (!yid->txqueues) {
3061	LOG(("yahoo_write_ready(%d, %p) !txqueues", id, fd));
3062	YAHOO_CALLBACK(ext_yahoo_remove_handler) (id,
3063	yid->write_tag);
3064	yid->write_tag = 0;
3065	}
3066	}
3067
3068	return 1;
3069	}
3070
3071	static void yahoo_process_pager_connection(struct yahoo_input_data *yid,
3072	int over)
3073	{
3074	struct yahoo_packet *pkt;
3075	struct yahoo_data *yd = yid->yd;
3076	int id = yd->client_id;
3077
3078	if (over)
3079	return;
3080
3081	while (find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER)
3082	&& (pkt = yahoo_getdata(yid)) != NULL) {
3083
3084	yahoo_packet_process(yid, pkt);
3085
3086	yahoo_packet_free(pkt);
3087	}
3088	}
3089
3090	static void yahoo_process_chatcat_connection(struct yahoo_input_data *yid,
3091	int over)
3092	{
3093	if (over)
3094	return;
3095
3096	if (strstr((char *)yid->rxqueue + (yid->rxlen - 20), "</content>")) {
3097	YAHOO_CALLBACK(ext_yahoo_chat_cat_xml) (yid->yd->client_id,
3098	(char *)yid->rxqueue);
3099	}
3100	}
3101
3102	static void yahoo_process_yab_connection(struct yahoo_input_data *yid, int over)
3103	{
3104	struct yahoo_data *yd = yid->yd;
3105	struct yab *yab;
3106	YList *buds;
3107	int changed = 0;
3108	int id = yd->client_id;
3109	int yab_used = 0;
3110
3111	LOG(("Got data for YAB"));
3112
3113	if (over)
3114	return;
3115
3116	while (find_input_by_id_and_type(id, YAHOO_CONNECTION_YAB)
3117	&& (yab = yahoo_getyab(yid)) != NULL) {
3118	if (!yab->id)
3119	continue;
3120
3121	changed = 1;
3122	yab_used = 0;
3123	for (buds = yd->buddies; buds; buds = buds->next) {
3124	struct yahoo_buddy *bud = buds->data;
3125	if (!strcmp(bud->id, yab->id)) {
3126	yab_used = 1;
3127	bud->yab_entry = yab;
3128	if (yab->nname) {
3129	bud->real_name = strdup(yab->nname);
3130	} else if (yab->fname && yab->lname) {
3131	bud->real_name = y_new0(char,
3132	strlen(yab->fname) +
3133	strlen(yab->lname) + 2);
3134	sprintf(bud->real_name, "%s %s",
3135	yab->fname, yab->lname);
3136	} else if (yab->fname) {
3137	bud->real_name = strdup(yab->fname);
3138	}
3139	break; /* for */
3140	}
3141	}
3142
3143	if (!yab_used) {
3144	FREE(yab->fname);
3145	FREE(yab->lname);
3146	FREE(yab->nname);
3147	FREE(yab->id);
3148	FREE(yab->email);
3149	FREE(yab->hphone);
3150	FREE(yab->wphone);
3151	FREE(yab->mphone);
3152	FREE(yab);
3153	}
3154
3155	}
3156
3157	if (changed)
3158	YAHOO_CALLBACK(ext_yahoo_got_buddies) (yd->client_id,
3159	yd->buddies);
3160	}
3161
3162	static void yahoo_process_search_connection(struct yahoo_input_data *yid,
3163	int over)
3164	{
3165	struct yahoo_found_contact *yct = NULL;
3166	char p = (char )yid->rxqueue, np, cp;
3167	int k, n;
3168	int start = 0, found = 0, total = 0;
3169	YList *contacts = NULL;
3170	struct yahoo_input_data *pyid =
3171	find_input_by_id_and_type(yid->yd->client_id,
3172	YAHOO_CONNECTION_PAGER);
3173
3174	if (!over \|\| !pyid)
3175	return;
3176
3177	if (p && (p = strstr(p, "\r\n\r\n"))) {
3178	p += 4;
3179
3180	for (k = 0; (p = strchr(p, 4)) && (k < 4); k++) {
3181	p++;
3182	n = atoi(p);
3183	switch (k) {
3184	case 0:
3185	found = pyid->ys->lsearch_nfound = n;
3186	break;
3187	case 2:
3188	start = pyid->ys->lsearch_nstart = n;
3189	break;
3190	case 3:
3191	total = pyid->ys->lsearch_ntotal = n;
3192	break;
3193	}
3194	}
3195
3196	if (p)
3197	p++;
3198
3199	k = 0;
3200	while (p && *p) {
3201	cp = p;
3202	np = strchr(p, 4);
3203
3204	if (!np)
3205	break;
3206	*np = 0;
3207	p = np + 1;
3208
3209	switch (k++) {
3210	case 1:
3211	if (strlen(cp) > 2
3212	&& y_list_length(contacts) < total) {
3213	yct = y_new0(struct yahoo_found_contact,
3214	1);
3215	contacts = y_list_append(contacts, yct);
3216	yct->id = cp + 2;
3217	} else {
3218	*p = 0;
3219	}
3220	break;
3221	case 2:
3222	yct->online = !strcmp(cp, "2") ? 1 : 0;
3223	break;
3224	case 3:
3225	yct->gender = cp;
3226	break;
3227	case 4:
3228	yct->age = atoi(cp);
3229	break;
3230	case 5:
3231	/* not worth the context switch for strcmp */
3232	if (cp[0] != '\005' \|\| cp[1] != '\000')
3233	yct->location = cp;
3234	k = 0;
3235	break;
3236	}
3237	}
3238	}
3239
3240	YAHOO_CALLBACK(ext_yahoo_got_search_result) (yid->yd->client_id, found,
3241	start, total, contacts);
3242
3243	while (contacts) {
3244	YList *node = contacts;
3245	contacts = y_list_remove_link(contacts, node);
3246	free(node->data);
3247	y_list_free_1(node);
3248	}
3249	}
3250
3251	static void _yahoo_webcam_connected(void fd, int error, void d)
3252	{
3253	struct yahoo_input_data *yid = d;
3254	struct yahoo_webcam *wcm = yid->wcm;
3255	struct yahoo_data *yd = yid->yd;
3256	char conn_type[100];
3257	char *data = NULL;
3258	char *packet = NULL;
3259	unsigned char magic_nr[] = { 1, 0, 0, 0, 1 };
3260	unsigned header_len = 0;
3261	unsigned int len = 0;
3262	unsigned int pos = 0;
3263
3264	if (error \|\| !fd) {
3265	FREE(yid);
3266	return;
3267	}
3268
3269	yid->fd = fd;
3270	inputs = y_list_prepend(inputs, yid);
3271
3272	LOG(("Connected"));
3273	/* send initial packet */
3274	switch (wcm->direction) {
3275	case YAHOO_WEBCAM_DOWNLOAD:
3276	data = strdup("<REQIMG>");
3277	break;
3278	case YAHOO_WEBCAM_UPLOAD:
3279	data = strdup("<SNDIMG>");
3280	break;
3281	default:
3282	return;
3283	}
3284	yahoo_add_to_send_queue(yid, data, strlen(data));
3285	FREE(data);
3286
3287	/* send data */
3288	switch (wcm->direction) {
3289	case YAHOO_WEBCAM_DOWNLOAD:
3290	header_len = 8;
3291	data = strdup("a=2\r\nc=us\r\ne=21\r\nu=");
3292	data = y_string_append(data, yd->user);
3293	data = y_string_append(data, "\r\nt=");
3294	data = y_string_append(data, wcm->key);
3295	data = y_string_append(data, "\r\ni=");
3296	data = y_string_append(data, wcm->my_ip);
3297	data = y_string_append(data, "\r\ng=");
3298	data = y_string_append(data, wcm->user);
3299	data = y_string_append(data, "\r\no=w-2-5-1\r\np=");
3300	snprintf(conn_type, sizeof(conn_type), "%d", wcm->conn_type);
3301	data = y_string_append(data, conn_type);
3302	data = y_string_append(data, "\r\n");
3303	break;
3304	case YAHOO_WEBCAM_UPLOAD:
3305	header_len = 13;
3306	data = strdup("a=2\r\nc=us\r\nu=");
3307	data = y_string_append(data, yd->user);
3308	data = y_string_append(data, "\r\nt=");
3309	data = y_string_append(data, wcm->key);
3310	data = y_string_append(data, "\r\ni=");
3311	data = y_string_append(data, wcm->my_ip);
3312	data = y_string_append(data, "\r\no=w-2-5-1\r\np=");
3313	snprintf(conn_type, sizeof(conn_type), "%d", wcm->conn_type);
3314	data = y_string_append(data, conn_type);
3315	data = y_string_append(data, "\r\nb=");
3316	data = y_string_append(data, wcm->description);
3317	data = y_string_append(data, "\r\n");
3318	break;
3319	}
3320
3321	len = strlen(data);
3322	packet = y_new0(char, header_len + len);
3323	packet[pos++] = header_len;
3324	packet[pos++] = 0;
3325	switch (wcm->direction) {
3326	case YAHOO_WEBCAM_DOWNLOAD:
3327	packet[pos++] = 1;
3328	packet[pos++] = 0;
3329	break;
3330	case YAHOO_WEBCAM_UPLOAD:
3331	packet[pos++] = 5;
3332	packet[pos++] = 0;
3333	break;
3334	}
3335
3336	pos += yahoo_put32(packet + pos, len);
3337	if (wcm->direction == YAHOO_WEBCAM_UPLOAD) {
3338	memcpy(packet + pos, magic_nr, sizeof(magic_nr));
3339	pos += sizeof(magic_nr);
3340	}
3341	memcpy(packet + pos, data, len);
3342	yahoo_add_to_send_queue(yid, packet, header_len + len);
3343	FREE(packet);
3344	FREE(data);
3345
3346	yid->read_tag =
3347	YAHOO_CALLBACK(ext_yahoo_add_handler) (yid->yd->client_id,
3348	yid->fd, YAHOO_INPUT_READ, yid);
3349	}
3350
3351	static void yahoo_webcam_connect(struct yahoo_input_data *y)
3352	{
3353	struct yahoo_webcam *wcm = y->wcm;
3354	struct yahoo_input_data *yid;
3355
3356	if (!wcm \|\| !wcm->server \|\| !wcm->key)
3357	return;
3358
3359	yid = y_new0(struct yahoo_input_data, 1);
3360	yid->type = YAHOO_CONNECTION_WEBCAM;
3361	yid->yd = y->yd;
3362
3363	/* copy webcam data to new connection */
3364	yid->wcm = y->wcm;
3365	y->wcm = NULL;
3366
3367	yid->wcd = y_new0(struct yahoo_webcam_data, 1);
3368
3369	LOG(("Connecting to: %s:%d", wcm->server, wcm->port));
3370	YAHOO_CALLBACK(ext_yahoo_connect_async) (y->yd->client_id, wcm->server,
3371	wcm->port, _yahoo_webcam_connected, yid, 0);
3372
3373	}
3374
3375	static void yahoo_process_webcam_master_connection(struct yahoo_input_data *yid,
3376	int over)
3377	{
3378	char *server;
3379	struct yahoo_server_settings *yss;
3380
3381	if (over)
3382	return;
3383
3384	server = yahoo_getwebcam_master(yid);
3385
3386	if (server) {
3387	yss = yid->yd->server_settings;
3388	yid->wcm->server = strdup(server);
3389	yid->wcm->port = yss->webcam_port;
3390	yid->wcm->conn_type = yss->conn_type;
3391	yid->wcm->my_ip = strdup(yss->local_host);
3392	if (yid->wcm->direction == YAHOO_WEBCAM_UPLOAD)
3393	yid->wcm->description = strdup(yss->webcam_description);
3394	yahoo_webcam_connect(yid);
3395	FREE(server);
3396	}
3397	}
3398
3399	static void yahoo_process_webcam_connection(struct yahoo_input_data *yid,
3400	int over)
3401	{
3402	int id = yid->yd->client_id;
3403	void *fd = yid->fd;
3404
3405	if (over)
3406	return;
3407
3408	/* as long as we still have packets available keep processing them */
3409	while (find_input_by_id_and_fd(id, fd)
3410	&& yahoo_get_webcam_data(yid) == 1) ;
3411	}
3412
3413	static void (yahoo_process_connection[]) (struct yahoo_input_data ,
3414	int over) = {
3415	yahoo_process_pager_connection, yahoo_process_ft_connection,
3416	yahoo_process_yab_connection,
3417	yahoo_process_webcam_master_connection,
3418	yahoo_process_webcam_connection,
3419	yahoo_process_chatcat_connection,
3420	yahoo_process_search_connection};
3421
3422	int yahoo_read_ready(int id, void fd, void data)
3423	{
3424	struct yahoo_input_data *yid = data;
3425	char buf[1024];
3426	int len;
3427
3428	LOG(("read callback: id=%d fd=%p data=%p", id, fd, data));
3429	if (!yid)
3430	return -2;
3431
3432	do {
3433	len = YAHOO_CALLBACK(ext_yahoo_read) (fd, buf, sizeof(buf));
3434	} while (len == -1 && errno == EINTR);
3435
3436	if (len == -1 && (errno == EAGAIN \|\| errno == EINTR)) /* we'll try again later */
3437	return 1;
3438
3439	if (len <= 0) {
3440	int e = errno;
3441	DEBUG_MSG(("len == %d (<= 0)", len));
3442
3443	if (yid->type == YAHOO_CONNECTION_PAGER) {
3444	YAHOO_CALLBACK(ext_yahoo_login_response) (yid->yd->
3445	client_id, YAHOO_LOGIN_SOCK, NULL);
3446	}
3447
3448	yahoo_process_connection[yid->type] (yid, 1);
3449	yahoo_input_close(yid);
3450
3451	/* no need to return an error, because we've already fixed it */
3452	if (len == 0)
3453	return 1;
3454
3455	errno = e;
3456	LOG(("read error: %s", strerror(errno)));
3457	return -1;
3458	}
3459
3460	yid->rxqueue =
3461	y_renew(unsigned char, yid->rxqueue, len + yid->rxlen + 1);
3462	memcpy(yid->rxqueue + yid->rxlen, buf, len);
3463	yid->rxlen += len;
3464	yid->rxqueue[yid->rxlen] = 0;
3465
3466	yahoo_process_connection[yid->type] (yid, 0);
3467
3468	return len;
3469	}
3470
3471	int yahoo_init_with_attributes(const char username, const char password, ...)
3472	{
3473	va_list ap;
3474	struct yahoo_data *yd;
3475
3476	yd = y_new0(struct yahoo_data, 1);
3477
3478	if (!yd)
3479	return 0;
3480
3481	yd->user = strdup(username);
3482	yd->password = strdup(password);
3483
3484	yd->initial_status = -1;
3485	yd->current_status = -1;
3486
3487	yd->client_id = ++last_id;
3488
3489	add_to_list(yd);
3490
3491	va_start(ap, password);
3492	yd->server_settings = _yahoo_assign_server_settings(ap);
3493	va_end(ap);
3494
3495	return yd->client_id;
3496	}
3497
3498	int yahoo_init(const char username, const char password)
3499	{
3500	return yahoo_init_with_attributes(username, password, NULL);
3501	}
3502
3503	static void yahoo_connected(void fd, int error, void data)
3504	{
3505	struct connect_callback_data *ccd = data;
3506	struct yahoo_data *yd = ccd->yd;
3507	struct yahoo_packet *pkt;
3508	struct yahoo_input_data *yid;
3509	struct yahoo_server_settings *yss = yd->server_settings;
3510
3511	if (error) {
3512	int tag;
3513	if (fallback_ports[ccd->i]) {
3514	char *host = yss->pager_host;
3515
3516	if (!host)
3517	host = yss->pager_host_list[ccd->server_i];
3518
3519	yss->pager_port = fallback_ports[ccd->i++];
3520	tag = YAHOO_CALLBACK(ext_yahoo_connect_async) (yd->
3521	client_id, host, yss->pager_port,
3522	yahoo_connected, ccd, 0);
3523
3524	if (tag > 0)
3525	ccd->tag = tag;
3526	} else if (yss->pager_host_list
3527	&& yss->pager_host_list[ccd->server_i]) {
3528
3529	/* Get back to the default port */
3530	yss->pager_port = pager_port;
3531	ccd->server_i++;
3532	LOG(("Fallback: Connecting to %s:%d", yss->pager_host_list[ccd->server_i], yss->pager_port));
3533
3534	ccd->i = 0;
3535	tag = YAHOO_CALLBACK(ext_yahoo_connect_async) (yd->client_id,
3536	yss->pager_host_list[ccd->server_i], yss->pager_port,
3537	yahoo_connected, ccd, 0);
3538	} else {
3539	FREE(ccd);
3540	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id,
3541	YAHOO_LOGIN_SOCK, NULL);
3542	}
3543	return;
3544	}
3545
3546	FREE(ccd);
3547
3548	/* fd == NULL && error == 0 means connect was cancelled */
3549	if (!fd)
3550	return;
3551
3552	pkt = yahoo_packet_new(YAHOO_SERVICE_AUTH, YPACKET_STATUS_DEFAULT,
3553	yd->session_id);
3554	NOTICE(("Sending initial packet"));
3555
3556	yahoo_packet_hash(pkt, 1, yd->user);
3557
3558	yid = find_input_by_id_and_type(yd->client_id, YAHOO_CONNECTION_PAGER);
3559	yid->fd = fd;
3560
3561	yahoo_send_packet(yid, pkt, 0);
3562
3563	yahoo_packet_free(pkt);
3564
3565	yid->read_tag =
3566	YAHOO_CALLBACK(ext_yahoo_add_handler) (yid->yd->client_id,
3567	yid->fd, YAHOO_INPUT_READ, yid);
3568	}
3569
3570	void *yahoo_get_fd(int id)
3571	{
3572	struct yahoo_input_data *yid =
3573	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3574	if (!yid)
3575	return 0;
3576	else
3577	return yid->fd;
3578	}
3579
3580	void yahoo_send_buzz(int id, const char from, const char who)
3581	{
3582	yahoo_send_im(id, from, who, "<ding>", 1, 0);
3583	}
3584
3585	void yahoo_send_im(int id, const char from, const char who, const char *what,
3586	int utf8, int picture)
3587	{
3588	struct yahoo_input_data *yid =
3589	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3590	struct yahoo_packet *pkt = NULL;
3591	struct yahoo_data *yd;
3592	char pic_str[10];
3593
3594	if (!yid)
3595	return;
3596
3597	yd = yid->yd;
3598
3599	pkt = yahoo_packet_new(YAHOO_SERVICE_MESSAGE, YAHOO_STATUS_OFFLINE,
3600	yd->session_id);
3601
3602	snprintf(pic_str, sizeof(pic_str), "%d", picture);
3603
3604	if (from && strcmp(from, yd->user))
3605	yahoo_packet_hash(pkt, 0, yd->user);
3606	yahoo_packet_hash(pkt, 1, from ? from : yd->user);
3607	yahoo_packet_hash(pkt, 5, who);
3608	yahoo_packet_hash(pkt, 14, what);
3609
3610	if (utf8)
3611	yahoo_packet_hash(pkt, 97, "1");
3612
3613	yahoo_packet_hash(pkt, 63, ";0"); /* imvironment name; or ;0 */
3614	yahoo_packet_hash(pkt, 64, "0");
3615	yahoo_packet_hash(pkt, 206, pic_str);
3616
3617	yahoo_send_packet(yid, pkt, 0);
3618
3619	yahoo_packet_free(pkt);
3620	}
3621
3622	void yahoo_send_typing(int id, const char from, const char who, int typ)
3623	{
3624	struct yahoo_input_data *yid =
3625	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3626	struct yahoo_data *yd;
3627	struct yahoo_packet *pkt = NULL;
3628	if (!yid)
3629	return;
3630
3631	yd = yid->yd;
3632	pkt = yahoo_packet_new(YAHOO_SERVICE_NOTIFY, YPACKET_STATUS_NOTIFY,
3633	yd->session_id);
3634
3635	yahoo_packet_hash(pkt, 5, who);
3636	yahoo_packet_hash(pkt, 1, from ? from : yd->user);
3637	yahoo_packet_hash(pkt, 14, " ");
3638	yahoo_packet_hash(pkt, 13, typ ? "1" : "0");
3639	yahoo_packet_hash(pkt, 49, "TYPING");
3640
3641	yahoo_send_packet(yid, pkt, 0);
3642
3643	yahoo_packet_free(pkt);
3644	}
3645
3646	void yahoo_set_away(int id, enum yahoo_status state, const char *msg, int away)
3647	{
3648	struct yahoo_input_data *yid =
3649	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3650	struct yahoo_data *yd;
3651	struct yahoo_packet *pkt = NULL;
3652	int old_status;
3653	char s[4];
3654
3655	if (!yid)
3656	return;
3657
3658	yd = yid->yd;
3659
3660	old_status = yd->current_status;
3661	yd->current_status = state;
3662
3663	/* Thank you libpurple :) */
3664	if (yd->current_status == YAHOO_STATUS_INVISIBLE) {
3665	pkt = yahoo_packet_new(YAHOO_SERVICE_Y6_VISIBLE_TOGGLE,
3666	YAHOO_STATUS_AVAILABLE, 0);
3667	yahoo_packet_hash(pkt, 13, "2");
3668	yahoo_send_packet(yid, pkt, 0);
3669	yahoo_packet_free(pkt);
3670
3671	return;
3672	}
3673
3674	pkt = yahoo_packet_new(YAHOO_SERVICE_Y6_STATUS_UPDATE,
3675	yd->current_status, yd->session_id);
3676	snprintf(s, sizeof(s), "%d", yd->current_status);
3677	yahoo_packet_hash(pkt, 10, s);
3678	yahoo_packet_hash(pkt, 19, msg && state == YAHOO_STATUS_CUSTOM ? msg : "");
3679	yahoo_packet_hash(pkt, 47, (away == 2)? "2": (away) ?"1":"0");
3680	yahoo_send_packet(yid, pkt, 0);
3681	yahoo_packet_free(pkt);
3682
3683	if (old_status == YAHOO_STATUS_INVISIBLE) {
3684	pkt = yahoo_packet_new(YAHOO_SERVICE_Y6_VISIBLE_TOGGLE,
3685	YAHOO_STATUS_AVAILABLE, 0);
3686	yahoo_packet_hash(pkt, 13, "1");
3687	yahoo_send_packet(yid, pkt, 0);
3688	yahoo_packet_free(pkt);
3689	}
3690	}
3691
3692	void yahoo_logoff(int id)
3693	{
3694	struct yahoo_input_data *yid =
3695	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3696	struct yahoo_data *yd;
3697	struct yahoo_packet *pkt = NULL;
3698
3699	if (!yid)
3700	return;
3701	yd = yid->yd;
3702
3703	LOG(("yahoo_logoff: current status: %d", yd->current_status));
3704
3705	if (yd->current_status != -1 && 0) {
3706	/* Meh. Don't send this. The event handlers are not going to
3707	get to do this so it'll just leak memory. And the TCP
3708	connection reset will hopefully be clear enough. */
3709	pkt = yahoo_packet_new(YAHOO_SERVICE_LOGOFF,
3710	YPACKET_STATUS_DEFAULT, yd->session_id);
3711	yd->current_status = -1;
3712
3713	if (pkt) {
3714	yahoo_send_packet(yid, pkt, 0);
3715	yahoo_packet_free(pkt);
3716	}
3717	}
3718
3719	/* do {
3720	yahoo_input_close(yid);
3721	} while((yid = find_input_by_id(id)));*/
3722
3723	}
3724
3725	void yahoo_get_list(int id)
3726	{
3727	struct yahoo_input_data *yid =
3728	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3729	struct yahoo_data *yd;
3730	struct yahoo_packet *pkt = NULL;
3731
3732	if (!yid)
3733	return;
3734	yd = yid->yd;
3735
3736	pkt = yahoo_packet_new(YAHOO_SERVICE_LIST, YPACKET_STATUS_DEFAULT,
3737	yd->session_id);
3738	yahoo_packet_hash(pkt, 1, yd->user);
3739	if (pkt) {
3740	yahoo_send_packet(yid, pkt, 0);
3741	yahoo_packet_free(pkt);
3742	}
3743	}
3744
3745	static void _yahoo_http_connected(int id, void fd, int error, void data)
3746	{
3747	struct yahoo_input_data *yid = data;
3748	if (fd == NULL \|\| error) {
3749	inputs = y_list_remove(inputs, yid);
3750	FREE(yid);
3751	return;
3752	}
3753
3754	yid->fd = fd;
3755	yid->read_tag =
3756	YAHOO_CALLBACK(ext_yahoo_add_handler) (yid->yd->client_id, fd,
3757	YAHOO_INPUT_READ, yid);
3758	}
3759
3760	/* FIXME Get address book from address.yahoo.com instead */
3761	void yahoo_get_yab(int id)
3762	{
3763	struct yahoo_data *yd = find_conn_by_id(id);
3764	struct yahoo_input_data *yid;
3765	char url[1024];
3766	char buff[2048];
3767
3768	if (!yd)
3769	return;
3770
3771	yid = y_new0(struct yahoo_input_data, 1);
3772	yid->yd = yd;
3773	yid->type = YAHOO_CONNECTION_YAB;
3774
3775	LOG(("Sending request for Address Book"));
3776
3777	snprintf(url, 1024,
3778	"http://address.yahoo.com/yab/us?v=XM&prog=ymsgr&.intl=us"
3779	"&diffs=1&t=0&tags=short&rt=0&prog-ver=8.1.0.249&useutf8=1&legenc=codepage-1252");
3780
3781	snprintf(buff, sizeof(buff), "Y=%s; T=%s", yd->cookie_y, yd->cookie_t);
3782
3783	inputs = y_list_prepend(inputs, yid);
3784
3785	yahoo_http_get(yid->yd->client_id, url, buff, 0, 0,
3786	_yahoo_http_connected, yid);
3787	}
3788
3789	struct yahoo_post_data {
3790	struct yahoo_input_data *yid;
3791	char *data;
3792	};
3793
3794	static void _yahoo_http_post_connected(int id, void fd, int error, void data)
3795	{
3796	struct yahoo_post_data *yad = data;
3797	struct yahoo_input_data *yid = yad->yid;
3798	char *buff = yad->data;
3799
3800	if (!fd) {
3801	inputs = y_list_remove(inputs, yid);
3802	FREE(yid);
3803	return;
3804	}
3805
3806	YAHOO_CALLBACK(ext_yahoo_write) (fd, buff, strlen(buff));
3807
3808	yid->fd = fd;
3809	yid->read_tag =
3810	YAHOO_CALLBACK(ext_yahoo_add_handler) (yid->yd->client_id, fd,
3811	YAHOO_INPUT_READ, yid);
3812
3813	FREE(buff);
3814	FREE(yad);
3815	}
3816
3817	/* FIXME This is also likely affected */
3818	void yahoo_set_yab(int id, struct yab *yab)
3819	{
3820	struct yahoo_post_data *yad = y_new0(struct yahoo_post_data, 1);
3821	struct yahoo_data *yd = find_conn_by_id(id);
3822	struct yahoo_input_data *yid;
3823	char url[1024];
3824	char buff[1024];
3825	char post[1024];
3826	int size = 0;
3827
3828	if (!yd)
3829	return;
3830
3831	yid = y_new0(struct yahoo_input_data, 1);
3832	yid->type = YAHOO_CONNECTION_YAB;
3833	yid->yd = yd;
3834
3835	if(yab->yid)
3836	size = snprintf(post, sizeof(post), "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
3837	"<ab k=\"%s\" cc=\"%d\">"
3838	"<ct id=\"%d\" e=\"1\" yi=\"%s\" nn=\"%s\" />"
3839	"</ab>", yd->user, 9, yab->yid, /* Don't know why */
3840	yab->id, yab->nname?yab->nname:"");
3841	else
3842	size = snprintf(post, sizeof(post), "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
3843	"<ab k=\"%s\" cc=\"%d\">"
3844	"<ct a=\"1\" yi=\"%s\" nn=\"%s\" />"
3845	"</ab>", yd->user, 1, /* Don't know why */
3846	yab->id, yab->nname?yab->nname:"");
3847
3848	yad->yid = yid;
3849	yad->data = strdup(post);
3850
3851	strcpy(url, "http://address.yahoo.com/yab/us?v=XM&prog=ymsgr&.intl=us"
3852	"&sync=1&tags=short&noclear=1&useutf8=1&legenc=codepage-1252");
3853
3854	snprintf(buff, sizeof(buff), "Y=%s; T=%s", yd->cookie_y, yd->cookie_t);
3855
3856	inputs = y_list_prepend(inputs, yid);
3857
3858	yahoo_http_post(yid->yd->client_id, url, buff, size,
3859	_yahoo_http_post_connected, yad);
3860	}
3861
3862	void yahoo_set_identity_status(int id, const char *identity, int active)
3863	{
3864	struct yahoo_input_data *yid =
3865	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3866	struct yahoo_data *yd;
3867	struct yahoo_packet *pkt = NULL;
3868
3869	if (!yid)
3870	return;
3871	yd = yid->yd;
3872
3873	pkt = yahoo_packet_new(active ? YAHOO_SERVICE_IDACT :
3874	YAHOO_SERVICE_IDDEACT, YPACKET_STATUS_DEFAULT, yd->session_id);
3875	yahoo_packet_hash(pkt, 3, identity);
3876	if (pkt) {
3877	yahoo_send_packet(yid, pkt, 0);
3878	yahoo_packet_free(pkt);
3879	}
3880	}
3881
3882	void yahoo_refresh(int id)
3883	{
3884	struct yahoo_input_data *yid =
3885	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3886	struct yahoo_data *yd;
3887	struct yahoo_packet *pkt = NULL;
3888
3889	if (!yid)
3890	return;
3891	yd = yid->yd;
3892
3893	pkt = yahoo_packet_new(YAHOO_SERVICE_USERSTAT, YPACKET_STATUS_DEFAULT,
3894	yd->session_id);
3895	if (pkt) {
3896	yahoo_send_packet(yid, pkt, 0);
3897	yahoo_packet_free(pkt);
3898	}
3899	}
3900
3901	void yahoo_keepalive(int id)
3902	{
3903	struct yahoo_input_data *yid =
3904	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3905	struct yahoo_data *yd;
3906	struct yahoo_packet *pkt = NULL;
3907	if (!yid)
3908	return;
3909	yd = yid->yd;
3910
3911	pkt = yahoo_packet_new(YAHOO_SERVICE_PING, YPACKET_STATUS_DEFAULT,
3912	yd->session_id);
3913	yahoo_send_packet(yid, pkt, 0);
3914	yahoo_packet_free(pkt);
3915	}
3916
3917	void yahoo_chat_keepalive(int id)
3918	{
3919	struct yahoo_input_data *yid =
3920	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3921	struct yahoo_data *yd;
3922	struct yahoo_packet *pkt = NULL;
3923
3924	if (!yid)
3925	return;
3926
3927	yd = yid->yd;
3928
3929	pkt = yahoo_packet_new(YAHOO_SERVICE_CHATPING, YPACKET_STATUS_DEFAULT,
3930	yd->session_id);
3931	yahoo_send_packet(yid, pkt, 0);
3932	yahoo_packet_free(pkt);
3933	}
3934
3935	void yahoo_add_buddy(int id, const char who, const char group,
3936	const char *msg)
3937	{
3938	struct yahoo_input_data *yid =
3939	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3940	struct yahoo_data *yd;
3941	struct yahoo_packet *pkt;
3942
3943	if (!yid)
3944	return;
3945	yd = yid->yd;
3946
3947	if (!yd->logged_in)
3948	return;
3949
3950	pkt = yahoo_packet_new(YAHOO_SERVICE_ADDBUDDY, YPACKET_STATUS_DEFAULT,
3951	yd->session_id);
3952	if (msg != NULL) /* add message/request "it's me add me" */
3953	yahoo_packet_hash(pkt, 14, msg);
3954	else
3955	yahoo_packet_hash(pkt, 14, "");
3956	yahoo_packet_hash(pkt, 65, group);
3957	yahoo_packet_hash(pkt, 97, "1");
3958	yahoo_packet_hash(pkt, 1, yd->user);
3959	yahoo_packet_hash(pkt, 302, "319");
3960	yahoo_packet_hash(pkt, 300, "319");
3961	yahoo_packet_hash(pkt, 7, who);
3962	yahoo_packet_hash(pkt, 334, "0");
3963	yahoo_packet_hash(pkt, 301, "319");
3964	yahoo_packet_hash(pkt, 303, "319");
3965	yahoo_send_packet(yid, pkt, 0);
3966	yahoo_packet_free(pkt);
3967	}
3968
3969	void yahoo_remove_buddy(int id, const char who, const char group)
3970	{
3971	struct yahoo_input_data *yid =
3972	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3973	struct yahoo_data *yd;
3974	struct yahoo_packet *pkt = NULL;
3975
3976	if (!yid)
3977	return;
3978	yd = yid->yd;
3979
3980	pkt = yahoo_packet_new(YAHOO_SERVICE_REMBUDDY, YPACKET_STATUS_DEFAULT,
3981	yd->session_id);
3982
3983	yahoo_packet_hash(pkt, 1, yd->user);
3984	yahoo_packet_hash(pkt, 7, who);
3985	yahoo_packet_hash(pkt, 65, group);
3986	yahoo_send_packet(yid, pkt, 0);
3987	yahoo_packet_free(pkt);
3988	}
3989
3990	void yahoo_confirm_buddy(int id, const char who, int reject, const char msg)
3991	{
3992	struct yahoo_input_data *yid =
3993	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3994	struct yahoo_data *yd;
3995	struct yahoo_packet *pkt;
3996
3997	if (!yid)
3998	return;
3999	yd = yid->yd;
4000
4001	if (!yd->logged_in)
4002	return;
4003
4004	pkt = yahoo_packet_new(YAHOO_SERVICE_Y7_AUTHORIZATION,
4005	YPACKET_STATUS_DEFAULT, yd->session_id);
4006	yahoo_packet_hash(pkt, 1, yd->user);
4007	yahoo_packet_hash(pkt, 5, who);
4008	if (reject)
4009	yahoo_packet_hash(pkt, 13, "2");
4010	else {
4011	yahoo_packet_hash(pkt, 241, "0");
4012	yahoo_packet_hash(pkt, 13, "1");
4013	}
4014
4015	yahoo_packet_hash(pkt, 334, "0");
4016
4017	if (reject) {
4018	yahoo_packet_hash(pkt, 14, msg ? msg : "");
4019	yahoo_packet_hash(pkt, 97, "1");
4020	}
4021
4022	yahoo_send_packet(yid, pkt, 0);
4023	yahoo_packet_free(pkt);
4024	}
4025
4026	void yahoo_ignore_buddy(int id, const char *who, int unignore)
4027	{
4028	struct yahoo_input_data *yid =
4029	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4030	struct yahoo_data *yd;
4031	struct yahoo_packet *pkt;
4032
4033	if (!yid)
4034	return;
4035	yd = yid->yd;
4036
4037	if (!yd->logged_in)
4038	return;
4039
4040	pkt = yahoo_packet_new(YAHOO_SERVICE_IGNORECONTACT,
4041	YPACKET_STATUS_DEFAULT, yd->session_id);
4042	yahoo_packet_hash(pkt, 1, yd->user);
4043	yahoo_packet_hash(pkt, 7, who);
4044	yahoo_packet_hash(pkt, 13, unignore ? "2" : "1");
4045	yahoo_send_packet(yid, pkt, 0);
4046	yahoo_packet_free(pkt);
4047	}
4048
4049	void yahoo_stealth_buddy(int id, const char *who, int unstealth)
4050	{
4051	struct yahoo_input_data *yid =
4052	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4053	struct yahoo_data *yd;
4054	struct yahoo_packet *pkt;
4055
4056	if (!yid)
4057	return;
4058	yd = yid->yd;
4059
4060	if (!yd->logged_in)
4061	return;
4062
4063	pkt = yahoo_packet_new(YAHOO_SERVICE_STEALTH_PERM,
4064	YPACKET_STATUS_DEFAULT, yd->session_id);
4065	yahoo_packet_hash(pkt, 1, yd->user);
4066	yahoo_packet_hash(pkt, 7, who);
4067	yahoo_packet_hash(pkt, 31, unstealth ? "2" : "1");
4068	yahoo_packet_hash(pkt, 13, "2");
4069	yahoo_send_packet(yid, pkt, 0);
4070	yahoo_packet_free(pkt);
4071	}
4072
4073	void yahoo_change_buddy_group(int id, const char who, const char old_group,
4074	const char *new_group)
4075	{
4076	struct yahoo_input_data *yid =
4077	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4078	struct yahoo_data *yd;
4079	struct yahoo_packet *pkt = NULL;
4080
4081	if (!yid)
4082	return;
4083	yd = yid->yd;
4084
4085	pkt = yahoo_packet_new(YAHOO_SERVICE_Y7_CHANGE_GROUP,
4086	YPACKET_STATUS_DEFAULT, yd->session_id);
4087	yahoo_packet_hash(pkt, 1, yd->user);
4088	yahoo_packet_hash(pkt, 302, "240");
4089	yahoo_packet_hash(pkt, 300, "240");
4090	yahoo_packet_hash(pkt, 7, who);
4091	yahoo_packet_hash(pkt, 224, old_group);
4092	yahoo_packet_hash(pkt, 264, new_group);
4093	yahoo_packet_hash(pkt, 301, "240");
4094	yahoo_packet_hash(pkt, 303, "240");
4095
4096	yahoo_send_packet(yid, pkt, 0);
4097	yahoo_packet_free(pkt);
4098	}
4099
4100	void yahoo_group_rename(int id, const char old_group, const char new_group)
4101	{
4102	struct yahoo_input_data *yid =
4103	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4104	struct yahoo_data *yd;
4105	struct yahoo_packet *pkt = NULL;
4106
4107	if (!yid)
4108	return;
4109	yd = yid->yd;
4110
4111	pkt = yahoo_packet_new(YAHOO_SERVICE_GROUPRENAME,
4112	YPACKET_STATUS_DEFAULT, yd->session_id);
4113	yahoo_packet_hash(pkt, 1, yd->user);
4114	yahoo_packet_hash(pkt, 65, old_group);
4115	yahoo_packet_hash(pkt, 67, new_group);
4116
4117	yahoo_send_packet(yid, pkt, 0);
4118	yahoo_packet_free(pkt);
4119	}
4120
4121	void yahoo_conference_addinvite(int id, const char from, const char who,
4122	const char room, const YList members, const char *msg)
4123	{
4124	struct yahoo_input_data *yid =
4125	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4126	struct yahoo_data *yd;
4127	struct yahoo_packet *pkt;
4128
4129	if (!yid)
4130	return;
4131	yd = yid->yd;
4132
4133	pkt = yahoo_packet_new(YAHOO_SERVICE_CONFADDINVITE,
4134	YPACKET_STATUS_DEFAULT, yd->session_id);
4135
4136	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4137	yahoo_packet_hash(pkt, 51, who);
4138	yahoo_packet_hash(pkt, 57, room);
4139	yahoo_packet_hash(pkt, 58, msg);
4140	yahoo_packet_hash(pkt, 13, "0");
4141	for (; members; members = members->next) {
4142	yahoo_packet_hash(pkt, 52, (char *)members->data);
4143	yahoo_packet_hash(pkt, 53, (char *)members->data);
4144	}
4145	/* 52, 53 -> other members? */
4146
4147	yahoo_send_packet(yid, pkt, 0);
4148
4149	yahoo_packet_free(pkt);
4150	}
4151
4152	void yahoo_conference_invite(int id, const char from, YList who,
4153	const char room, const char msg)
4154	{
4155	struct yahoo_input_data *yid =
4156	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4157	struct yahoo_data *yd;
4158	struct yahoo_packet *pkt;
4159
4160	if (!yid)
4161	return;
4162	yd = yid->yd;
4163
4164	pkt = yahoo_packet_new(YAHOO_SERVICE_CONFINVITE, YPACKET_STATUS_DEFAULT,
4165	yd->session_id);
4166
4167	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4168	yahoo_packet_hash(pkt, 50, yd->user);
4169	for (; who; who = who->next) {
4170	yahoo_packet_hash(pkt, 52, (char *)who->data);
4171	}
4172	yahoo_packet_hash(pkt, 57, room);
4173	yahoo_packet_hash(pkt, 58, msg);
4174	yahoo_packet_hash(pkt, 13, "0");
4175
4176	yahoo_send_packet(yid, pkt, 0);
4177
4178	yahoo_packet_free(pkt);
4179	}
4180
4181	void yahoo_conference_logon(int id, const char from, YList who,
4182	const char *room)
4183	{
4184	struct yahoo_input_data *yid =
4185	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4186	struct yahoo_data *yd;
4187	struct yahoo_packet *pkt;
4188
4189	if (!yid)
4190	return;
4191	yd = yid->yd;
4192
4193	pkt = yahoo_packet_new(YAHOO_SERVICE_CONFLOGON, YPACKET_STATUS_DEFAULT,
4194	yd->session_id);
4195
4196	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4197	yahoo_packet_hash(pkt, 3, (from ? from : yd->user));
4198	yahoo_packet_hash(pkt, 57, room);
4199	for (; who; who = who->next)
4200	yahoo_packet_hash(pkt, 3, (char *)who->data);
4201
4202	yahoo_send_packet(yid, pkt, 0);
4203
4204	yahoo_packet_free(pkt);
4205	}
4206
4207	void yahoo_conference_decline(int id, const char from, YList who,
4208	const char room, const char msg)
4209	{
4210	struct yahoo_input_data *yid =
4211	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4212	struct yahoo_data *yd;
4213	struct yahoo_packet *pkt;
4214
4215	if (!yid)
4216	return;
4217	yd = yid->yd;
4218
4219	pkt = yahoo_packet_new(YAHOO_SERVICE_CONFDECLINE,
4220	YPACKET_STATUS_DEFAULT, yd->session_id);
4221
4222	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4223	yahoo_packet_hash(pkt, 3, (from ? from : yd->user));
4224	for (; who; who = who->next)
4225	yahoo_packet_hash(pkt, 3, (char *)who->data);
4226	yahoo_packet_hash(pkt, 57, room);
4227	yahoo_packet_hash(pkt, 14, msg);
4228
4229	yahoo_send_packet(yid, pkt, 0);
4230
4231	yahoo_packet_free(pkt);
4232	}
4233
4234	void yahoo_conference_logoff(int id, const char from, YList who,
4235	const char *room)
4236	{
4237	struct yahoo_input_data *yid =
4238	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4239	struct yahoo_data *yd;
4240	struct yahoo_packet *pkt;
4241
4242	if (!yid)
4243	return;
4244	yd = yid->yd;
4245
4246	pkt = yahoo_packet_new(YAHOO_SERVICE_CONFLOGOFF, YPACKET_STATUS_DEFAULT,
4247	yd->session_id);
4248
4249	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4250	yahoo_packet_hash(pkt, 3, (from ? from : yd->user));
4251	for (; who; who = who->next)
4252	yahoo_packet_hash(pkt, 3, (char *)who->data);
4253
4254	yahoo_packet_hash(pkt, 57, room);
4255
4256	yahoo_send_packet(yid, pkt, 0);
4257
4258	yahoo_packet_free(pkt);
4259	}
4260
4261	void yahoo_conference_message(int id, const char from, YList who,
4262	const char room, const char msg, int utf8)
4263	{
4264	struct yahoo_input_data *yid =
4265	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4266	struct yahoo_data *yd;
4267	struct yahoo_packet *pkt;
4268
4269	if (!yid)
4270	return;
4271	yd = yid->yd;
4272
4273	pkt = yahoo_packet_new(YAHOO_SERVICE_CONFMSG, YPACKET_STATUS_DEFAULT,
4274	yd->session_id);
4275
4276	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4277	yahoo_packet_hash(pkt, 53, (from ? from : yd->user));
4278	for (; who; who = who->next)
4279	yahoo_packet_hash(pkt, 53, (char *)who->data);
4280
4281	yahoo_packet_hash(pkt, 57, room);
4282	yahoo_packet_hash(pkt, 14, msg);
4283
4284	if (utf8)
4285	yahoo_packet_hash(pkt, 97, "1");
4286
4287	yahoo_send_packet(yid, pkt, 0);
4288
4289	yahoo_packet_free(pkt);
4290	}
4291
4292	void yahoo_get_chatrooms(int id, int chatroomid)
4293	{
4294	struct yahoo_data *yd = find_conn_by_id(id);
4295	struct yahoo_input_data *yid;
4296	char url[1024];
4297	char buff[1024];
4298
4299	if (!yd)
4300	return;
4301
4302	yid = y_new0(struct yahoo_input_data, 1);
4303	yid->yd = yd;
4304	yid->type = YAHOO_CONNECTION_CHATCAT;
4305
4306	if (chatroomid == 0) {
4307	snprintf(url, 1024,
4308	"http://insider.msg.yahoo.com/ycontent/?chatcat=0");
4309	} else {
4310	snprintf(url, 1024,
4311	"http://insider.msg.yahoo.com/ycontent/?chatroom_%d=0",
4312	chatroomid);
4313	}
4314
4315	snprintf(buff, sizeof(buff), "Y=%s; T=%s", yd->cookie_y, yd->cookie_t);
4316
4317	inputs = y_list_prepend(inputs, yid);
4318
4319	yahoo_http_get(yid->yd->client_id, url, buff, 0, 0,
4320	_yahoo_http_connected, yid);
4321	}
4322
4323	void yahoo_chat_logon(int id, const char from, const char room,
4324	const char *roomid)
4325	{
4326	struct yahoo_input_data *yid =
4327	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4328	struct yahoo_data *yd;
4329	struct yahoo_packet *pkt;
4330
4331	if (!yid)
4332	return;
4333
4334	yd = yid->yd;
4335
4336	pkt = yahoo_packet_new(YAHOO_SERVICE_CHATONLINE, YPACKET_STATUS_DEFAULT,
4337	yd->session_id);
4338
4339	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4340	yahoo_packet_hash(pkt, 109, yd->user);
4341	yahoo_packet_hash(pkt, 6, "abcde");
4342
4343	yahoo_send_packet(yid, pkt, 0);
4344
4345	yahoo_packet_free(pkt);
4346
4347	pkt = yahoo_packet_new(YAHOO_SERVICE_CHATJOIN, YPACKET_STATUS_DEFAULT,
4348	yd->session_id);
4349
4350	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4351	yahoo_packet_hash(pkt, 104, room);
4352	yahoo_packet_hash(pkt, 129, roomid);
4353	yahoo_packet_hash(pkt, 62, "2"); /* ??? */
4354
4355	yahoo_send_packet(yid, pkt, 0);
4356
4357	yahoo_packet_free(pkt);
4358	}
4359
4360	void yahoo_chat_message(int id, const char from, const char room,
4361	const char *msg, const int msgtype, const int utf8)
4362	{
4363	struct yahoo_input_data *yid =
4364	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4365	struct yahoo_data *yd;
4366	struct yahoo_packet *pkt;
4367	char buf[2];
4368
4369	if (!yid)
4370	return;
4371
4372	yd = yid->yd;
4373
4374	pkt = yahoo_packet_new(YAHOO_SERVICE_COMMENT, YPACKET_STATUS_DEFAULT,
4375	yd->session_id);
4376
4377	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4378	yahoo_packet_hash(pkt, 104, room);
4379	yahoo_packet_hash(pkt, 117, msg);
4380
4381	snprintf(buf, sizeof(buf), "%d", msgtype);
4382	yahoo_packet_hash(pkt, 124, buf);
4383
4384	if (utf8)
4385	yahoo_packet_hash(pkt, 97, "1");
4386
4387	yahoo_send_packet(yid, pkt, 0);
4388
4389	yahoo_packet_free(pkt);
4390	}
4391
4392	void yahoo_chat_logoff(int id, const char *from)
4393	{
4394	struct yahoo_input_data *yid =
4395	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4396	struct yahoo_data *yd;
4397	struct yahoo_packet *pkt;
4398
4399	if (!yid)
4400	return;
4401
4402	yd = yid->yd;
4403
4404	pkt = yahoo_packet_new(YAHOO_SERVICE_CHATLOGOUT, YPACKET_STATUS_DEFAULT,
4405	yd->session_id);
4406
4407	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4408
4409	yahoo_send_packet(yid, pkt, 0);
4410
4411	yahoo_packet_free(pkt);
4412	}
4413
4414	void yahoo_buddyicon_request(int id, const char *who)
4415	{
4416	struct yahoo_input_data *yid =
4417	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4418	struct yahoo_data *yd;
4419	struct yahoo_packet *pkt;
4420
4421	if (!yid)
4422	return;
4423
4424	yd = yid->yd;
4425
4426	pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE, YPACKET_STATUS_DEFAULT,
4427	0);
4428	yahoo_packet_hash(pkt, 4, yd->user);
4429	yahoo_packet_hash(pkt, 5, who);
4430	yahoo_packet_hash(pkt, 13, "1");
4431	yahoo_send_packet(yid, pkt, 0);
4432
4433	yahoo_packet_free(pkt);
4434	}
4435
4436	void yahoo_send_picture_info(int id, const char who, const char url,
4437	int checksum)
4438	{
4439	struct yahoo_input_data *yid =
4440	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4441	struct yahoo_data *yd;
4442	struct yahoo_packet *pkt;
4443	char checksum_str[10];
4444
4445	if (!yid)
4446	return;
4447
4448	yd = yid->yd;
4449
4450	snprintf(checksum_str, sizeof(checksum_str), "%d", checksum);
4451
4452	pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE, YPACKET_STATUS_DEFAULT,
4453	0);
4454	yahoo_packet_hash(pkt, 1, yd->user);
4455	yahoo_packet_hash(pkt, 4, yd->user);
4456	yahoo_packet_hash(pkt, 5, who);
4457	yahoo_packet_hash(pkt, 13, "2");
4458	yahoo_packet_hash(pkt, 20, url);
4459	yahoo_packet_hash(pkt, 192, checksum_str);
4460	yahoo_send_packet(yid, pkt, 0);
4461
4462	yahoo_packet_free(pkt);
4463	}
4464
4465	void yahoo_send_picture_update(int id, const char *who, int type)
4466	{
4467	struct yahoo_input_data *yid =
4468	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4469	struct yahoo_data *yd;
4470	struct yahoo_packet *pkt;
4471	char type_str[10];
4472
4473	if (!yid)
4474	return;
4475
4476	yd = yid->yd;
4477
4478	snprintf(type_str, sizeof(type_str), "%d", type);
4479
4480	pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE_UPDATE,
4481	YPACKET_STATUS_DEFAULT, 0);
4482	yahoo_packet_hash(pkt, 1, yd->user);
4483	yahoo_packet_hash(pkt, 5, who);
4484	yahoo_packet_hash(pkt, 206, type_str);
4485	yahoo_send_packet(yid, pkt, 0);
4486
4487	yahoo_packet_free(pkt);
4488	}
4489
4490	void yahoo_send_picture_checksum(int id, const char *who, int checksum)
4491	{
4492	struct yahoo_input_data *yid =
4493	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4494	struct yahoo_data *yd;
4495	struct yahoo_packet *pkt;
4496	char checksum_str[10];
4497
4498	if (!yid)
4499	return;
4500
4501	yd = yid->yd;
4502
4503	snprintf(checksum_str, sizeof(checksum_str), "%d", checksum);
4504
4505	pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE_CHECKSUM,
4506	YPACKET_STATUS_DEFAULT, 0);
4507	yahoo_packet_hash(pkt, 1, yd->user);
4508	if (who != 0)
4509	yahoo_packet_hash(pkt, 5, who);
4510	yahoo_packet_hash(pkt, 192, checksum_str);
4511	yahoo_packet_hash(pkt, 212, "1");
4512	yahoo_send_packet(yid, pkt, 0);
4513
4514	yahoo_packet_free(pkt);
4515	}
4516
4517	void yahoo_webcam_close_feed(int id, const char *who)
4518	{
4519	struct yahoo_input_data *yid =
4520	find_input_by_id_and_webcam_user(id, who);
4521
4522	if (yid)
4523	yahoo_input_close(yid);
4524	}
4525
4526	void yahoo_webcam_get_feed(int id, const char *who)
4527	{
4528	struct yahoo_input_data *yid =
4529	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4530	struct yahoo_data *yd;
4531	struct yahoo_packet *pkt;
4532
4533	if (!yid)
4534	return;
4535
4536	/*
4537	* add the user to the queue. this is a dirty hack, since
4538	* the yahoo server doesn't tell us who's key it's returning,
4539	* we have to just hope that it sends back keys in the same
4540	* order that we request them.
4541	* The queue is popped in yahoo_process_webcam_key
4542	*/
4543	webcam_queue = y_list_append(webcam_queue, who ? strdup(who) : NULL);
4544
4545	yd = yid->yd;
4546
4547	pkt = yahoo_packet_new(YAHOO_SERVICE_WEBCAM, YPACKET_STATUS_DEFAULT,
4548	yd->session_id);
4549
4550	yahoo_packet_hash(pkt, 1, yd->user);
4551	if (who != NULL)
4552	yahoo_packet_hash(pkt, 5, who);
4553	yahoo_send_packet(yid, pkt, 0);
4554
4555	yahoo_packet_free(pkt);
4556	}
4557
4558	void yahoo_webcam_send_image(int id, unsigned char *image, unsigned int length,
4559	unsigned int timestamp)
4560	{
4561	struct yahoo_input_data *yid =
4562	find_input_by_id_and_type(id, YAHOO_CONNECTION_WEBCAM);
4563	unsigned char *packet;
4564	unsigned char header_len = 13;
4565	unsigned int pos = 0;
4566
4567	if (!yid)
4568	return;
4569
4570	packet = y_new0(unsigned char, header_len);
4571
4572	packet[pos++] = header_len;
4573	packet[pos++] = 0;
4574	packet[pos++] = 5; /* version byte?? */
4575	packet[pos++] = 0;
4576	pos += yahoo_put32(packet + pos, length);
4577	packet[pos++] = 2; /* packet type, image */
4578	pos += yahoo_put32(packet + pos, timestamp);
4579	yahoo_add_to_send_queue(yid, packet, header_len);
4580	FREE(packet);
4581
4582	if (length)
4583	yahoo_add_to_send_queue(yid, image, length);
4584	}
4585
4586	void yahoo_webcam_accept_viewer(int id, const char *who, int accept)
4587	{
4588	struct yahoo_input_data *yid =
4589	find_input_by_id_and_type(id, YAHOO_CONNECTION_WEBCAM);
4590	char *packet = NULL;
4591	char *data = NULL;
4592	unsigned char header_len = 13;
4593	unsigned int pos = 0;
4594	unsigned int len = 0;
4595
4596	if (!yid)
4597	return;
4598
4599	data = strdup("u=");
4600	data = y_string_append(data, (char *)who);
4601	data = y_string_append(data, "\r\n");
4602	len = strlen(data);
4603
4604	packet = y_new0(char, header_len + len);
4605	packet[pos++] = header_len;
4606	packet[pos++] = 0;
4607	packet[pos++] = 5; /* version byte?? */
4608	packet[pos++] = 0;
4609	pos += yahoo_put32(packet + pos, len);
4610	packet[pos++] = 0; /* packet type */
4611	pos += yahoo_put32(packet + pos, accept);
4612	memcpy(packet + pos, data, len);
4613	FREE(data);
4614	yahoo_add_to_send_queue(yid, packet, header_len + len);
4615	FREE(packet);
4616	}
4617
4618	void yahoo_webcam_invite(int id, const char *who)
4619	{
4620	struct yahoo_input_data *yid =
4621	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4622	struct yahoo_packet *pkt;
4623
4624	if (!yid)
4625	return;
4626
4627	pkt = yahoo_packet_new(YAHOO_SERVICE_NOTIFY, YPACKET_STATUS_NOTIFY,
4628	yid->yd->session_id);
4629
4630	yahoo_packet_hash(pkt, 49, "WEBCAMINVITE");
4631	yahoo_packet_hash(pkt, 14, " ");
4632	yahoo_packet_hash(pkt, 13, "0");
4633	yahoo_packet_hash(pkt, 1, yid->yd->user);
4634	yahoo_packet_hash(pkt, 5, who);
4635	yahoo_send_packet(yid, pkt, 0);
4636
4637	yahoo_packet_free(pkt);
4638	}
4639
4640	static void yahoo_search_internal(int id, int t, const char *text, int g,
4641	int ar, int photo, int yahoo_only, int startpos, int total)
4642	{
4643	struct yahoo_data *yd = find_conn_by_id(id);
4644	struct yahoo_input_data *yid;
4645	char url[1024];
4646	char buff[1024];
4647	char ctext, p;
4648
4649	if (!yd)
4650	return;
4651
4652	yid = y_new0(struct yahoo_input_data, 1);
4653	yid->yd = yd;
4654	yid->type = YAHOO_CONNECTION_SEARCH;
4655
4656	/*
4657	age range
4658	.ar=1 - 13-18, 2 - 18-25, 3 - 25-35, 4 - 35-50, 5 - 50-70, 6 - 70+
4659	*/
4660
4661	snprintf(buff, sizeof(buff), "&.sq=%%20&.tt=%d&.ss=%d", total,
4662	startpos);
4663
4664	ctext = strdup(text);
4665	while ((p = strchr(ctext, ' ')))
4666	*p = '+';
4667
4668	snprintf(url, 1024,
4669	"http://members.yahoo.com/interests?.oc=m&.kw=%s&.sb=%d&.g=%d&.ar=0%s%s%s",
4670	ctext, t, g, photo ? "&.p=y" : "", yahoo_only ? "&.pg=y" : "",
4671	startpos ? buff : "");
4672
4673	FREE(ctext);
4674
4675	snprintf(buff, sizeof(buff), "Y=%s; T=%s", yd->cookie_y, yd->cookie_t);
4676
4677	inputs = y_list_prepend(inputs, yid);
4678	yahoo_http_get(yid->yd->client_id, url, buff, 0, 0,
4679	_yahoo_http_connected, yid);
4680	}
4681
4682	void yahoo_search(int id, enum yahoo_search_type t, const char *text,
4683	enum yahoo_search_gender g, enum yahoo_search_agerange ar, int photo,
4684	int yahoo_only)
4685	{
4686	struct yahoo_input_data *yid =
4687	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4688	struct yahoo_search_state *yss;
4689
4690	if (!yid)
4691	return;
4692
4693	if (!yid->ys)
4694	yid->ys = y_new0(struct yahoo_search_state, 1);
4695
4696	yss = yid->ys;
4697
4698	FREE(yss->lsearch_text);
4699	yss->lsearch_type = t;
4700	yss->lsearch_text = strdup(text);
4701	yss->lsearch_gender = g;
4702	yss->lsearch_agerange = ar;
4703	yss->lsearch_photo = photo;
4704	yss->lsearch_yahoo_only = yahoo_only;
4705
4706	yahoo_search_internal(id, t, text, g, ar, photo, yahoo_only, 0, 0);
4707	}
4708
4709	void yahoo_search_again(int id, int start)
4710	{
4711	struct yahoo_input_data *yid =
4712	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4713	struct yahoo_search_state *yss;
4714
4715	if (!yid \|\| !yid->ys)
4716	return;
4717
4718	yss = yid->ys;
4719
4720	if (start == -1)
4721	start = yss->lsearch_nstart + yss->lsearch_nfound;
4722
4723	yahoo_search_internal(id, yss->lsearch_type, yss->lsearch_text,
4724	yss->lsearch_gender, yss->lsearch_agerange,
4725	yss->lsearch_photo, yss->lsearch_yahoo_only,
4726	start, yss->lsearch_ntotal);
4727	}
4728
4729	void yahoo_send_picture(int id, const char *name, unsigned long size,
4730	yahoo_get_fd_callback callback, void *data)
4731	{
4732	/* Not Implemented */
4733	}
4734
4735	/* File Transfer */
4736	static YList *active_file_transfers = NULL;
4737
4738	enum {
4739	FT_STATE_HEAD = 1,
4740	FT_STATE_RECV,
4741	FT_STATE_RECV_START,
4742	FT_STATE_SEND
4743	};
4744
4745	struct send_file_data {
4746	int client_id;
4747	char *id;
4748	char *who;
4749	char *filename;
4750	char *ip_addr;
4751	char *token;
4752	int size;
4753
4754	struct yahoo_input_data *yid;
4755	int state;
4756
4757	yahoo_get_fd_callback callback;
4758	void *data;
4759	};
4760
4761	static char *yahoo_get_random(void)
4762	{
4763	int i = 0;
4764	int r = 0;
4765	int c = 0;
4766	char out[25];
4767
4768	out[24] = '\0';
4769	out[23] = '$';
4770	out[22] = '$';
4771
4772	for (i = 0; i < 22; i++) {
4773	if(r == 0)
4774	r = rand();
4775
4776	c = r%61;
4777
4778	if(c<26)
4779	out[i] = c + 'a';
4780	else if (c<52)
4781	out[i] = c - 26 + 'A';
4782	else
4783	out[i] = c - 52 + '0';
4784
4785	r /= 61;
4786	}
4787
4788	return strdup(out);
4789	}
4790
4791	static int _are_same_id(const void sfd1, const void id)
4792	{
4793	return strcmp(((struct send_file_data )sfd1)->id, (char )id);
4794	}
4795
4796	static int _are_same_yid(const void sfd1, const void yid)
4797	{
4798	if(((struct send_file_data *)sfd1)->yid == yid)
4799	return 0;
4800	else
4801	return 1;
4802	}
4803
4804	static struct send_file_data yahoo_get_active_transfer(char id)
4805	{
4806	YList *l = y_list_find_custom(active_file_transfers, id,
4807	_are_same_id);
4808
4809	if(l)
4810	return (struct send_file_data *)l->data;
4811
4812	return NULL;
4813	}
4814
4815	static struct send_file_data yahoo_get_active_transfer_with_yid(void yid)
4816	{
4817	YList *l = y_list_find_custom(active_file_transfers, yid,
4818	_are_same_yid);
4819
4820	if(l)
4821	return (struct send_file_data *)l->data;
4822
4823	return NULL;
4824	}
4825
4826	static void yahoo_add_active_transfer(struct send_file_data *sfd)
4827	{
4828	active_file_transfers = y_list_prepend(active_file_transfers, sfd);
4829	}
4830
4831	static void yahoo_remove_active_transfer(struct send_file_data *sfd)
4832	{
4833	if (sfd == NULL)
4834	return;
4835
4836	active_file_transfers = y_list_remove(active_file_transfers, sfd);
4837	free(sfd->id);
4838	free(sfd->who);
4839	free(sfd->filename);
4840	free(sfd->ip_addr);
4841	FREE(sfd);
4842	}
4843
4844	static void _yahoo_ft_upload_connected(int id, void fd, int error, void data)
4845	{
4846	struct send_file_data *sfd = data;
4847	struct yahoo_input_data *yid = sfd->yid;
4848
4849	if (!fd) {
4850	inputs = y_list_remove(inputs, yid);
4851	FREE(yid);
4852	return;
4853	}
4854
4855	sfd->callback(id, fd, error, sfd->data);
4856
4857	yid->fd = fd;
4858	yid->read_tag =
4859	YAHOO_CALLBACK(ext_yahoo_add_handler) (yid->yd->client_id, fd,
4860	YAHOO_INPUT_READ, yid);
4861	}
4862
4863	static void yahoo_file_transfer_upload(struct yahoo_data *yd,
4864	struct send_file_data *sfd)
4865	{
4866	char url[256];
4867	char buff[4096];
4868	char sender_enc = NULL, recv_enc = NULL, *token_enc = NULL;
4869
4870	struct yahoo_input_data *yid = y_new0(struct yahoo_input_data, 1);
4871
4872	yid->yd = yd;
4873	yid->type = YAHOO_CONNECTION_FT;
4874
4875	inputs = y_list_prepend(inputs, yid);
4876	sfd->yid = yid;
4877	sfd->state = FT_STATE_SEND;
4878
4879	token_enc = yahoo_urlencode(sfd->token);
4880	sender_enc = yahoo_urlencode(yd->user);
4881	recv_enc = yahoo_urlencode(sfd->who);
4882
4883	snprintf(url, sizeof(url),
4884	"http://%s/relay?token=%s&sender=%s&recver=%s", sfd->ip_addr,
4885	token_enc, sender_enc, recv_enc);
4886
4887	snprintf(buff, sizeof(buff), "T=%s; Y=%s", yd->cookie_t, yd->cookie_y);
4888
4889	yahoo_http_post(yd->client_id, url, buff, sfd->size,
4890	_yahoo_ft_upload_connected, sfd);
4891
4892	FREE(token_enc);
4893	FREE(sender_enc);
4894	FREE(recv_enc);
4895	}
4896
4897	static void yahoo_init_ft_recv(struct yahoo_data *yd,
4898	struct send_file_data *sfd)
4899	{
4900	char url[256];
4901	char buff[1024];
4902	char sender_enc = NULL, recv_enc = NULL, *token_enc = NULL;
4903
4904	struct yahoo_input_data *yid = y_new0(struct yahoo_input_data, 1);
4905
4906	yid->yd = yd;
4907	yid->type = YAHOO_CONNECTION_FT;
4908
4909	inputs = y_list_prepend(inputs, yid);
4910	sfd->yid = yid;
4911	sfd->state = FT_STATE_HEAD;
4912
4913	token_enc = yahoo_urlencode(sfd->token);
4914	sender_enc = yahoo_urlencode(sfd->who);
4915	recv_enc = yahoo_urlencode(yd->user);
4916
4917	snprintf(url, sizeof(url),
4918	"http://%s/relay?token=%s&sender=%s&recver=%s", sfd->ip_addr,
4919	token_enc, sender_enc, recv_enc);
4920
4921	snprintf(buff, sizeof(buff), "Y=%s; T=%s", yd->cookie_y, yd->cookie_t);
4922
4923	yahoo_http_head(yid->yd->client_id, url, buff, 0, NULL,
4924	_yahoo_http_connected, yid);
4925
4926	FREE(token_enc);
4927	FREE(sender_enc);
4928	FREE(recv_enc);
4929	}
4930
4931	static void yahoo_file_transfer_accept(struct yahoo_input_data *yid,
4932	struct send_file_data *sfd)
4933	{
4934	struct yahoo_packet *pkt;
4935
4936	pkt = yahoo_packet_new(YAHOO_SERVICE_Y7_FILETRANSFERACCEPT,
4937	YPACKET_STATUS_DEFAULT, yid->yd->session_id);
4938
4939	yahoo_packet_hash(pkt, 1, yid->yd->user);
4940	yahoo_packet_hash(pkt, 5, sfd->who);
4941	yahoo_packet_hash(pkt, 265, sfd->id);
4942	yahoo_packet_hash(pkt, 27, sfd->filename);
4943	yahoo_packet_hash(pkt, 249, "3");
4944	yahoo_packet_hash(pkt, 251, sfd->token);
4945
4946	yahoo_send_packet(yid, pkt, 0);
4947
4948	yahoo_packet_free(pkt);
4949
4950	yahoo_init_ft_recv(yid->yd, sfd);
4951	}
4952
4953	static void yahoo_process_filetransferaccept(struct yahoo_input_data *yid,
4954	struct yahoo_packet *pkt)
4955	{
4956	YList *l;
4957	struct send_file_data *sfd;
4958	char *id = NULL;
4959	char *token = NULL;
4960
4961	for (l = pkt->hash; l; l = l->next) {
4962	struct yahoo_pair *pair = l->data;
4963	switch (pair->key) {
4964	case 4:
4965	/* who */
4966	break;
4967	case 5:
4968	/* Me... don't care */
4969	break;
4970	case 249:
4971	break;
4972	case 265:
4973	id = pair->value;
4974	break;
4975	case 251:
4976	token = pair->value;
4977	break;
4978	case 27:
4979	/* filename */
4980	break;
4981	}
4982	}
4983
4984	sfd = yahoo_get_active_transfer(id);
4985
4986	if (sfd) {
4987	sfd->token = strdup(token);
4988
4989	yahoo_file_transfer_upload(yid->yd, sfd);
4990	}
4991	else {
4992	YAHOO_CALLBACK(ext_yahoo_file_transfer_done)
4993	(yid->yd->client_id, YAHOO_FILE_TRANSFER_UNKNOWN,
4994	sfd ? sfd->data : NULL);
4995
4996	yahoo_remove_active_transfer(sfd);
4997	}
4998	}
4999
5000	static void yahoo_process_filetransferinfo(struct yahoo_input_data *yid,
5001	struct yahoo_packet *pkt)
5002	{
5003	YList *l;
5004	char *id = NULL;
5005	char *token = NULL;
5006	char *ip_addr = NULL;
5007
5008	struct send_file_data *sfd;
5009
5010	for (l = pkt->hash; l; l = l->next) {
5011	struct yahoo_pair *pair = l->data;
5012	switch (pair->key) {
5013	case 1:
5014	case 4:
5015	/* who */
5016	break;
5017	case 5:
5018	/* Me... don't care */
5019	break;
5020	case 249:
5021	break;
5022	case 265:
5023	id = pair->value;
5024	break;
5025	case 250:
5026	ip_addr = pair->value;
5027	break;
5028	case 251:
5029	token = pair->value;
5030	break;
5031	case 27:
5032	/* filename */
5033	break;
5034	}
5035	}
5036
5037	sfd = yahoo_get_active_transfer(id);
5038
5039	if (sfd) {
5040	sfd->token = strdup(token);
5041	sfd->ip_addr = strdup(ip_addr);
5042
5043	yahoo_file_transfer_accept(yid, sfd);
5044	}
5045	else {
5046	YAHOO_CALLBACK(ext_yahoo_file_transfer_done)
5047	(yid->yd->client_id, YAHOO_FILE_TRANSFER_UNKNOWN,
5048	sfd ? sfd->data : NULL);
5049
5050	yahoo_remove_active_transfer(sfd);
5051	}
5052	}
5053
5054	static void yahoo_send_filetransferinfo(struct yahoo_data *yd,
5055	struct send_file_data *sfd)
5056	{
5057	struct yahoo_input_data *yid;
5058	struct yahoo_packet *pkt;
5059
5060	yid = find_input_by_id_and_type(yd->client_id, YAHOO_CONNECTION_PAGER);
5061	sfd->ip_addr = YAHOO_CALLBACK(ext_yahoo_get_ip_addr)("relay.yahoo.com");
5062
5063	if (!sfd->ip_addr) {
5064	YAHOO_CALLBACK(ext_yahoo_file_transfer_done)
5065	(yd->client_id, YAHOO_FILE_TRANSFER_RELAY, sfd->data);
5066
5067	yahoo_remove_active_transfer(sfd);
5068
5069	return;
5070	}
5071
5072	pkt = yahoo_packet_new(YAHOO_SERVICE_Y7_FILETRANSFERINFO,
5073	YPACKET_STATUS_DEFAULT, yd->session_id);
5074
5075	yahoo_packet_hash(pkt, 1, yd->user);
5076	yahoo_packet_hash(pkt, 5, sfd->who);
5077	yahoo_packet_hash(pkt, 265, sfd->id);
5078	yahoo_packet_hash(pkt, 27, sfd->filename);
5079	yahoo_packet_hash(pkt, 249, "3");
5080	yahoo_packet_hash(pkt, 250, sfd->ip_addr);
5081
5082	yahoo_send_packet(yid, pkt, 0);
5083
5084	yahoo_packet_free(pkt);
5085	}
5086
5087	static void yahoo_process_filetransfer(struct yahoo_input_data *yid,
5088	struct yahoo_packet *pkt)
5089	{
5090	YList *l;
5091	char *who = NULL;
5092	char *filename = NULL;
5093	char *msg = NULL;
5094	char *id = NULL;
5095	int action = 0;
5096	int size = 0;
5097	struct yahoo_data *yd = yid->yd;
5098
5099	struct send_file_data *sfd;
5100
5101	for (l = pkt->hash; l; l = l->next) {
5102	struct yahoo_pair *pair = l->data;
5103	switch (pair->key) {
5104	case 4:
5105	who = pair->value;
5106	break;
5107	case 5:
5108	/* Me... don't care */
5109	break;
5110	case 222:
5111	action = atoi(pair->value);
5112	break;
5113	case 265:
5114	id = pair->value;
5115	break;
5116	case 266: /* Don't know */
5117	break;
5118	case 302: /* Start Data? */
5119	break;
5120	case 300:
5121	break;
5122	case 27:
5123	filename = pair->value;
5124	break;
5125	case 28:
5126	size = atoi(pair->value);
5127	break;
5128	case 14:
5129	msg = pair->value;
5130	case 301: /* End Data? */
5131	break;
5132	case 303:
5133	break;
5134
5135	}
5136	}
5137
5138	if (action == YAHOO_FILE_TRANSFER_INIT) {
5139	/* Received a FT request from buddy */
5140	sfd = y_new0(struct send_file_data, 1);
5141
5142	sfd->client_id = yd->client_id;
5143	sfd->id = strdup(id);
5144	sfd->who = strdup(who);
5145	sfd->filename = strdup(filename);
5146	sfd->size = size;
5147
5148	yahoo_add_active_transfer(sfd);
5149
5150	YAHOO_CALLBACK(ext_yahoo_got_file) (yd->client_id, yd->user,
5151	who, msg, filename, size, sfd->id);
5152	}
5153	else {
5154	/* Response to our request */
5155	sfd = yahoo_get_active_transfer(id);
5156
5157	if (sfd && action == YAHOO_FILE_TRANSFER_ACCEPT) {
5158	yahoo_send_filetransferinfo(yd, sfd);
5159	}
5160	else if (!sfd \|\| action == YAHOO_FILE_TRANSFER_REJECT) {
5161	YAHOO_CALLBACK(ext_yahoo_file_transfer_done)
5162	(yd->client_id, YAHOO_FILE_TRANSFER_REJECT,
5163	sfd ? sfd->data : NULL);
5164
5165	yahoo_remove_active_transfer(sfd);
5166	}
5167	}
5168	}
5169
5170	void yahoo_send_file(int id, const char who, const char msg,
5171	const char *name, unsigned long size,
5172	yahoo_get_fd_callback callback, void *data)
5173	{
5174	struct yahoo_packet *pkt = NULL;
5175	char size_str[10];
5176	struct yahoo_input_data *yid;
5177	struct yahoo_data *yd;
5178	struct send_file_data *sfd;
5179
5180	yid = find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
5181	yd = find_conn_by_id(id);
5182	sfd = y_new0(struct send_file_data, 1);
5183
5184	sfd->client_id = id;
5185	sfd->id = yahoo_get_random();
5186	sfd->who = strdup(who);
5187	sfd->filename = strdup(name);
5188	sfd->size = size;
5189	sfd->callback = callback;
5190	sfd->data = data;
5191
5192	yahoo_add_active_transfer(sfd);
5193
5194	if (!yd)
5195	return;
5196
5197	pkt = yahoo_packet_new(YAHOO_SERVICE_Y7_FILETRANSFER,
5198	YPACKET_STATUS_DEFAULT, yd->session_id);
5199
5200	snprintf(size_str, sizeof(size_str), "%ld", size);
5201
5202	yahoo_packet_hash(pkt, 1, yd->user);
5203	yahoo_packet_hash(pkt, 5, who);
5204	yahoo_packet_hash(pkt, 265, sfd->id);
5205	yahoo_packet_hash(pkt, 222, "1");
5206	yahoo_packet_hash(pkt, 266, "1");
5207	yahoo_packet_hash(pkt, 302, "268");
5208	yahoo_packet_hash(pkt, 300, "268");
5209	yahoo_packet_hash(pkt, 27, name);
5210	yahoo_packet_hash(pkt, 28, size_str);
5211	yahoo_packet_hash(pkt, 301, "268");
5212	yahoo_packet_hash(pkt, 303, "268");
5213
5214	yahoo_send_packet(yid, pkt, 0);
5215
5216	yahoo_packet_free(pkt);
5217	}
5218
5219	void yahoo_send_file_transfer_response(int client_id, int response, char id, void data)
5220	{
5221	struct yahoo_packet *pkt = NULL;
5222	char resp[2];
5223	struct yahoo_input_data *yid;
5224
5225	struct send_file_data *sfd = yahoo_get_active_transfer(id);
5226
5227	sfd->data = data;
5228
5229	yid = find_input_by_id_and_type(client_id, YAHOO_CONNECTION_PAGER);
5230
5231	pkt = yahoo_packet_new(YAHOO_SERVICE_Y7_FILETRANSFER,
5232	YPACKET_STATUS_DEFAULT, yid->yd->session_id);
5233
5234	snprintf(resp, sizeof(resp), "%d", response);
5235
5236	yahoo_packet_hash(pkt, 1, yid->yd->user);
5237	yahoo_packet_hash(pkt, 5, sfd->who);
5238	yahoo_packet_hash(pkt, 265, sfd->id);
5239	yahoo_packet_hash(pkt, 222, resp);
5240
5241	yahoo_send_packet(yid, pkt, 0);
5242
5243	yahoo_packet_free(pkt);
5244
5245	if(response == YAHOO_FILE_TRANSFER_REJECT)
5246	yahoo_remove_active_transfer(sfd);
5247	}
5248
5249	static void yahoo_process_ft_connection(struct yahoo_input_data *yid, int over)
5250	{
5251	struct send_file_data *sfd;
5252	struct yahoo_data *yd = yid->yd;
5253
5254	sfd = yahoo_get_active_transfer_with_yid(yid);
5255
5256	if (!sfd) {
5257	LOG(("Something funny happened. yid %p has no sfd.\n", yid));
5258	return;
5259	}
5260
5261	/*
5262	* We want to handle only the complete data with HEAD since we don't
5263	* want a situation where both the GET and HEAD are active.
5264	* With SEND, we really can't do much with partial response
5265	*/
5266	if ((sfd->state == FT_STATE_HEAD \|\| sfd->state == FT_STATE_SEND)
5267	&& !over)
5268	return;
5269
5270	if (sfd->state == FT_STATE_HEAD) {
5271	/* Do a GET */
5272	char url[256];
5273	char buff[1024];
5274	char sender_enc = NULL, recv_enc = NULL, *token_enc = NULL;
5275
5276	struct yahoo_input_data *yid_ft =
5277	y_new0(struct yahoo_input_data, 1);
5278
5279	yid_ft->yd = yid->yd;
5280	yid_ft->type = YAHOO_CONNECTION_FT;
5281
5282	inputs = y_list_prepend(inputs, yid_ft);
5283	sfd->yid = yid_ft;
5284	sfd->state = FT_STATE_RECV;
5285
5286	token_enc = yahoo_urlencode(sfd->token);
5287	sender_enc = yahoo_urlencode(sfd->who);
5288	recv_enc = yahoo_urlencode(yd->user);
5289
5290	snprintf(url, sizeof(url),
5291	"http://%s/relay?token=%s&sender=%s&recver=%s", sfd->ip_addr,
5292	token_enc, sender_enc, recv_enc);
5293
5294	snprintf(buff, sizeof(buff), "Y=%s; T=%s", yd->cookie_y,
5295	yd->cookie_t);
5296
5297
5298	yahoo_http_get(yd->client_id, url, buff, 1, 1,
5299	_yahoo_http_connected, yid_ft);
5300
5301	FREE(token_enc);
5302	FREE(sender_enc);
5303	FREE(recv_enc);
5304	}
5305	else if (sfd->state == FT_STATE_RECV \|\|
5306	sfd->state == FT_STATE_RECV_START) {
5307
5308	unsigned char *data_begin = NULL;
5309
5310	if (yid->rxlen == 0)
5311	yahoo_remove_active_transfer(sfd);
5312
5313	if (sfd->state != FT_STATE_RECV_START &&
5314	(data_begin =
5315	(unsigned char )strstr((char )yid->rxqueue,
5316	"\r\n\r\n"))) {
5317
5318	sfd->state = FT_STATE_RECV_START;
5319
5320	yid->rxlen -= 4+(data_begin-yid->rxqueue)/sizeof(char);
5321	data_begin += 4;
5322
5323	if (yid->rxlen > 0)
5324	YAHOO_CALLBACK(ext_yahoo_got_ft_data)
5325	(yd->client_id, data_begin,
5326	yid->rxlen, sfd->data);
5327	}
5328	else if (sfd->state == FT_STATE_RECV_START)
5329	YAHOO_CALLBACK(ext_yahoo_got_ft_data) (yd->client_id,
5330	yid->rxqueue, yid->rxlen, sfd->data);
5331
5332	FREE(yid->rxqueue);
5333	yid->rxqueue = NULL;
5334	yid->rxlen = 0;
5335	}
5336	else if (sfd->state == FT_STATE_SEND) {
5337	/* Sent file completed */
5338	int len = 0;
5339	char off = strstr((char )yid->rxqueue, "Content-Length: ");
5340
5341	if (off) {
5342	off += 16;
5343	len = atoi(off);
5344	}
5345
5346	if (len < sfd->size)
5347	YAHOO_CALLBACK(ext_yahoo_file_transfer_done)
5348	(yd->client_id,
5349	YAHOO_FILE_TRANSFER_FAILED, sfd->data);
5350	else
5351	YAHOO_CALLBACK(ext_yahoo_file_transfer_done)
5352	(yd->client_id,
5353	YAHOO_FILE_TRANSFER_DONE, sfd->data);
5354
5355	yahoo_remove_active_transfer(sfd);
5356	}
5357	}
5358
5359	/* End File Transfer */
5360
5361	enum yahoo_status yahoo_current_status(int id)
5362	{
5363	struct yahoo_data *yd = find_conn_by_id(id);
5364	if (!yd)
5365	return YAHOO_STATUS_OFFLINE;
5366	return yd->current_status;
5367	}
5368
5369	const YList *yahoo_get_buddylist(int id)
5370	{
5371	struct yahoo_data *yd = find_conn_by_id(id);
5372	if (!yd)
5373	return NULL;
5374	return yd->buddies;
5375	}
5376
5377	const YList *yahoo_get_ignorelist(int id)
5378	{
5379	struct yahoo_data *yd = find_conn_by_id(id);
5380	if (!yd)
5381	return NULL;
5382	return yd->ignore;
5383	}
5384
5385	const YList *yahoo_get_identities(int id)
5386	{
5387	struct yahoo_data *yd = find_conn_by_id(id);
5388	if (!yd)
5389	return NULL;
5390	return yd->identities;
5391	}
5392
5393	const char yahoo_get_cookie(int id, const char which)
5394	{
5395	struct yahoo_data *yd = find_conn_by_id(id);
5396	if (!yd)
5397	return NULL;
5398	if (!strncasecmp(which, "y", 1))
5399	return yd->cookie_y;
5400	if (!strncasecmp(which, "b", 1))
5401	return yd->cookie_b;
5402	if (!strncasecmp(which, "t", 1))
5403	return yd->cookie_t;
5404	if (!strncasecmp(which, "c", 1))
5405	return yd->cookie_c;
5406	if (!strncasecmp(which, "login", 5))
5407	return yd->login_cookie;
5408	return NULL;
5409	}
5410
5411	const char *yahoo_get_profile_url(void)
5412	{
5413	return profile_url;
5414	}

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