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source: protocols/yahoo/libyahoo2.c @ 79ec314

Last change on this file since 79ec314 was 241f9f6, checked in by Wilmer van der Gaast <wilmer@…>, at 2010-08-22T13:31:53Z
Better handling of yahoo add responses: libyahoo2 seems to (IMHO) wrongly assume that a non-0 status means the contact is on the list already and on-line. This causes ugly "imcb_buddy_status() for unknown handle" msgs.
Property mode set to `100644`
File size: 125.9 KB

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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	struct http_request *req;
1812	char login, passwd, *chal;
1813	char *url;
1814
1815	login = g_strndup(yd->user, 3 * strlen(yd->user));
1816	http_encode(login);
1817	passwd = g_strndup(yd->password, 3 * strlen(yd->password));
1818	http_encode(passwd);
1819	chal = g_strndup(had->chal, 3 * strlen(had->chal));
1820	http_encode(chal);
1821
1822	url = g_strdup_printf("https://login.yahoo.com/config/pwtoken_get?src=ymsgr&ts=%d&login=%s&passwd=%s&chal=%s",
1823	(int) time(NULL), login, passwd, chal);
1824
1825	req = http_dorequest_url(url, yahoo_https_auth_token_finish, had);
1826
1827	g_free(url);
1828	g_free(chal);
1829	g_free(passwd);
1830	g_free(login);
1831	}
1832
1833	static void yahoo_https_auth_token_finish(struct http_request *req)
1834	{
1835	struct yahoo_https_auth_data *had = req->data;
1836	struct yahoo_input_data *yid;
1837	struct yahoo_data *yd;
1838	int st;
1839
1840	if (y_list_find(inputs, had->yid) == NULL)
1841	return;
1842
1843	yid = had->yid;
1844	yd = yid->yd;
1845
1846	if (req->status_code != 200) {
1847	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id, 2000 + req->status_code, NULL);
1848	goto fail;
1849	}
1850
1851	if (sscanf(req->reply_body, "%d", &st) != 1 \|\| st != 0) {
1852	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id, yahoo_https_status_parse(st), NULL);
1853	goto fail;
1854	}
1855
1856	if ((had->token = yahoo_ha_find_key(req->reply_body, "ymsgr")) == NULL) {
1857	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id, 3001, NULL);
1858	goto fail;
1859	}
1860
1861	yahoo_https_auth_init(had);
1862	return;
1863
1864	fail:
1865	g_free(had->token);
1866	g_free(had->chal);
1867	g_free(had);
1868	}
1869
1870	static void yahoo_https_auth_init(struct yahoo_https_auth_data *had)
1871	{
1872	struct http_request *req;
1873	char *url;
1874
1875	url = g_strdup_printf("https://login.yahoo.com/config/pwtoken_login?src=ymsgr&ts=%d&token=%s",
1876	(int) time(NULL), had->token);
1877
1878	req = http_dorequest_url(url, yahoo_https_auth_finish, had);
1879
1880	g_free(url);
1881	}
1882
1883	static void yahoo_https_auth_finish(struct http_request *req)
1884	{
1885	struct yahoo_https_auth_data *had = req->data;
1886	struct yahoo_input_data *yid;
1887	struct yahoo_data *yd;
1888	struct yahoo_packet *pack;
1889	char *crumb = NULL;
1890	int st;
1891
1892	if (y_list_find(inputs, had->yid) == NULL)
1893	return;
1894
1895	yid = had->yid;
1896	yd = yid->yd;
1897
1898	md5_byte_t result[16];
1899	md5_state_t ctx;
1900
1901	unsigned char yhash[32];
1902
1903	if (req->status_code != 200) {
1904	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id, 2000 + req->status_code, NULL);
1905	goto fail;
1906	}
1907
1908	if (sscanf(req->reply_body, "%d", &st) != 1 \|\| st != 0) {
1909	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id, yahoo_https_status_parse(st), NULL);
1910	goto fail;
1911	}
1912
1913	if ((yd->cookie_y = yahoo_ha_find_key(req->reply_body, "Y")) == NULL \|\|
1914	(yd->cookie_t = yahoo_ha_find_key(req->reply_body, "T")) == NULL \|\|
1915	(crumb = yahoo_ha_find_key(req->reply_body, "crumb")) == NULL) {
1916	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id, 3002, NULL);
1917	goto fail;
1918	}
1919
1920	md5_init(&ctx);
1921	md5_append(&ctx, (unsigned char*) crumb, 11);
1922	md5_append(&ctx, (unsigned char*) had->chal, strlen(had->chal));
1923	md5_finish(&ctx, result);
1924	to_y64(yhash, result, 16);
1925
1926	pack = yahoo_packet_new(YAHOO_SERVICE_AUTHRESP, yd->initial_status, yd->session_id);
1927	yahoo_packet_hash(pack, 1, yd->user);
1928	yahoo_packet_hash(pack, 0, yd->user);
1929	yahoo_packet_hash(pack, 277, yd->cookie_y);
1930	yahoo_packet_hash(pack, 278, yd->cookie_t);
1931	yahoo_packet_hash(pack, 307, (char*) yhash);
1932	yahoo_packet_hash(pack, 244, "524223");
1933	yahoo_packet_hash(pack, 2, yd->user);
1934	yahoo_packet_hash(pack, 2, "1");
1935	yahoo_packet_hash(pack, 98, "us");
1936	yahoo_packet_hash(pack, 135, "7.5.0.647");
1937
1938	yahoo_send_packet(yid, pack, 0);
1939
1940	yahoo_packet_free(pack);
1941
1942	fail:
1943	g_free(crumb);
1944	g_free(had->token);
1945	g_free(had->chal);
1946	g_free(had);
1947	}
1948
1949	static void yahoo_process_auth(struct yahoo_input_data *yid,
1950	struct yahoo_packet *pkt)
1951	{
1952	char *seed = NULL;
1953	char *sn = NULL;
1954	YList *l = pkt->hash;
1955	int m = 0;
1956	struct yahoo_data *yd = yid->yd;
1957
1958	while (l) {
1959	struct yahoo_pair *pair = l->data;
1960
1961	switch (pair->key) {
1962	case 94:
1963	seed = pair->value;
1964	break;
1965	case 1:
1966	sn = pair->value;
1967	break;
1968	case 13:
1969	m = atoi(pair->value);
1970	break;
1971	}
1972	l = l->next;
1973	}
1974
1975	if (!seed)
1976	return;
1977
1978	if (m==2)
1979	yahoo_https_auth(yid, seed, sn);
1980	else {
1981	/* call error */
1982	WARNING(("unknown auth type %d", m));
1983	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id,
1984	YAHOO_LOGIN_UNKNOWN, NULL);
1985	}
1986	}
1987
1988	static void yahoo_process_auth_resp(struct yahoo_input_data *yid,
1989	struct yahoo_packet *pkt)
1990	{
1991	struct yahoo_data *yd = yid->yd;
1992	char *login_id;
1993	char *handle;
1994	char *url = NULL;
1995	int login_status = -1;
1996
1997	YList *l;
1998
1999	for (l = pkt->hash; l; l = l->next) {
2000	struct yahoo_pair *pair = l->data;
2001	if (pair->key == 0)
2002	login_id = pair->value;
2003	else if (pair->key == 1)
2004	handle = pair->value;
2005	else if (pair->key == 20)
2006	url = pair->value;
2007	else if (pair->key == 66)
2008	login_status = atoi(pair->value);
2009	}
2010
2011	if (pkt->status == YPACKET_STATUS_DISCONNECTED) {
2012	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id,
2013	login_status, url);
2014	/* yahoo_logoff(yd->client_id); */
2015	}
2016	}
2017
2018	static void yahoo_process_mail(struct yahoo_input_data *yid,
2019	struct yahoo_packet *pkt)
2020	{
2021	struct yahoo_data *yd = yid->yd;
2022	char *who = NULL;
2023	char *email = NULL;
2024	char *subj = NULL;
2025	int count = 0;
2026	YList *l;
2027
2028	for (l = pkt->hash; l; l = l->next) {
2029	struct yahoo_pair *pair = l->data;
2030	if (pair->key == 9)
2031	count = strtol(pair->value, NULL, 10);
2032	else if (pair->key == 43)
2033	who = pair->value;
2034	else if (pair->key == 42)
2035	email = pair->value;
2036	else if (pair->key == 18)
2037	subj = pair->value;
2038	else
2039	LOG(("key: %d => value: %s", pair->key, pair->value));
2040	}
2041
2042	if (who && email && subj) {
2043	char from[1024];
2044	snprintf(from, sizeof(from), "%s (%s)", who, email);
2045	YAHOO_CALLBACK(ext_yahoo_mail_notify) (yd->client_id, from,
2046	subj, count);
2047	} else if (count > 0)
2048	YAHOO_CALLBACK(ext_yahoo_mail_notify) (yd->client_id, NULL,
2049	NULL, count);
2050	}
2051
2052	static void yahoo_process_new_contact(struct yahoo_input_data *yid,
2053	struct yahoo_packet *pkt)
2054	{
2055	struct yahoo_data *yd = yid->yd;
2056	char *me = NULL;
2057	char *who = NULL;
2058	char *msg = NULL;
2059	int online = -1;
2060
2061	YList *l;
2062
2063	for (l = pkt->hash; l; l = l->next) {
2064	struct yahoo_pair *pair = l->data;
2065	if (pair->key == 4)
2066	who = pair->value;
2067	else if (pair->key == 5)
2068	me = pair->value;
2069	else if (pair->key == 14)
2070	msg = pair->value;
2071	else if (pair->key == 13)
2072	online = strtol(pair->value, NULL, 10);
2073	}
2074
2075	if (who && online < 0)
2076	YAHOO_CALLBACK(ext_yahoo_contact_added) (yd->client_id, me, who,
2077	msg);
2078	else if (online == 2)
2079	YAHOO_CALLBACK(ext_yahoo_rejected) (yd->client_id, who, msg);
2080	}
2081
2082	/* UNUSED? */
2083	static void yahoo_process_contact(struct yahoo_input_data *yid,
2084	struct yahoo_packet *pkt)
2085	{
2086	struct yahoo_data *yd = yid->yd;
2087	char *id = NULL;
2088	char *who = NULL;
2089	char *msg = NULL;
2090	char *name = NULL;
2091	long tm = 0L;
2092	int state = YAHOO_STATUS_AVAILABLE;
2093	int online = 0;
2094	int away = 0;
2095	int idle = 0;
2096	int mobile = 0;
2097
2098	YList *l;
2099
2100	for (l = pkt->hash; l; l = l->next) {
2101	struct yahoo_pair *pair = l->data;
2102	if (pair->key == 1)
2103	id = pair->value;
2104	else if (pair->key == 3)
2105	who = pair->value;
2106	else if (pair->key == 14)
2107	msg = pair->value;
2108	else if (pair->key == 7)
2109	name = pair->value;
2110	else if (pair->key == 10)
2111	state = strtol(pair->value, NULL, 10);
2112	else if (pair->key == 15)
2113	tm = strtol(pair->value, NULL, 10);
2114	else if (pair->key == 13)
2115	online = strtol(pair->value, NULL, 10);
2116	else if (pair->key == 47)
2117	away = strtol(pair->value, NULL, 10);
2118	else if (pair->key == 137)
2119	idle = strtol(pair->value, NULL, 10);
2120	else if (pair->key == 60)
2121	mobile = strtol(pair->value, NULL, 10);
2122
2123	}
2124
2125	if (id)
2126	YAHOO_CALLBACK(ext_yahoo_contact_added) (yd->client_id, id, who,
2127	msg);
2128	else if (name)
2129	YAHOO_CALLBACK(ext_yahoo_status_changed) (yd->client_id, name,
2130	state, msg, away, idle, mobile);
2131	else if (pkt->status == 0x07)
2132	YAHOO_CALLBACK(ext_yahoo_rejected) (yd->client_id, who, msg);
2133	}
2134
2135	static void yahoo_process_buddyadd(struct yahoo_input_data *yid,
2136	struct yahoo_packet *pkt)
2137	{
2138	struct yahoo_data *yd = yid->yd;
2139	char *who = NULL;
2140	char *where = NULL;
2141	int status = 0;
2142	char *me = NULL;
2143
2144	struct yahoo_buddy *bud = NULL;
2145
2146	YList *l;
2147	for (l = pkt->hash; l; l = l->next) {
2148	struct yahoo_pair *pair = l->data;
2149	if (pair->key == 1)
2150	me = pair->value;
2151	if (pair->key == 7)
2152	who = pair->value;
2153	if (pair->key == 65)
2154	where = pair->value;
2155	if (pair->key == 66)
2156	status = strtol(pair->value, NULL, 10);
2157	}
2158
2159	if (!who)
2160	return;
2161	if (!where)
2162	where = "Unknown";
2163
2164	bud = y_new0(struct yahoo_buddy, 1);
2165	bud->id = strdup(who);
2166	bud->group = strdup(where);
2167	bud->real_name = NULL;
2168
2169	yd->buddies = y_list_append(yd->buddies, bud);
2170
2171	#if 0
2172	/* BitlBee: This seems to be wrong in my experience. I think:
2173	status = 0: Success
2174	status = 2: Already on list
2175	status = 3: Doesn't exist
2176	status = 42: Invalid handle (possibly banned/reserved, I get it for
2177	handles like joe or jjjjjj)
2178	Haven't seen others yet. But whenever the add is successful, there
2179	will be a separate "went online" packet when the auth. request is
2180	accepted. Couldn't find any test account that doesn't require auth.
2181	unfortunately (if there is even such a thing?) */
2182
2183	/* A non-zero status (i've seen 2) seems to mean the buddy is already
2184	* added and is online */
2185	if (status) {
2186	LOG(("Setting online see packet for info"));
2187	yahoo_dump_unhandled(pkt);
2188	YAHOO_CALLBACK(ext_yahoo_status_changed) (yd->client_id, who,
2189	YAHOO_STATUS_AVAILABLE, NULL, 0, 0, 0);
2190	}
2191	#endif
2192	/* BitlBee: Need ACK of added buddy, if it was successful. */
2193	if (status == 0) {
2194	YList *tmp = y_list_append(NULL, bud);
2195	YAHOO_CALLBACK(ext_yahoo_got_buddies) (yd->client_id, tmp);
2196	y_list_free(tmp);
2197	}
2198	}
2199
2200	static void yahoo_process_buddydel(struct yahoo_input_data *yid,
2201	struct yahoo_packet *pkt)
2202	{
2203	struct yahoo_data *yd = yid->yd;
2204	char *who = NULL;
2205	char *where = NULL;
2206	int unk_66 = 0;
2207	char *me = NULL;
2208	struct yahoo_buddy *bud;
2209
2210	YList *buddy;
2211
2212	YList *l;
2213	for (l = pkt->hash; l; l = l->next) {
2214	struct yahoo_pair *pair = l->data;
2215	if (pair->key == 1)
2216	me = pair->value;
2217	else if (pair->key == 7)
2218	who = pair->value;
2219	else if (pair->key == 65)
2220	where = pair->value;
2221	else if (pair->key == 66)
2222	unk_66 = strtol(pair->value, NULL, 10);
2223	else
2224	DEBUG_MSG(("unknown key: %d = %s", pair->key,
2225	pair->value));
2226	}
2227
2228	if (!who \|\| !where)
2229	return;
2230
2231	bud = y_new0(struct yahoo_buddy, 1);
2232	bud->id = strdup(who);
2233	bud->group = strdup(where);
2234
2235	buddy = y_list_find_custom(yd->buddies, bud, is_same_bud);
2236
2237	FREE(bud->id);
2238	FREE(bud->group);
2239	FREE(bud);
2240
2241	if (buddy) {
2242	bud = buddy->data;
2243	yd->buddies = y_list_remove_link(yd->buddies, buddy);
2244	y_list_free_1(buddy);
2245
2246	FREE(bud->id);
2247	FREE(bud->group);
2248	FREE(bud->real_name);
2249	FREE(bud);
2250
2251	bud = NULL;
2252	}
2253	}
2254
2255	static void yahoo_process_ignore(struct yahoo_input_data *yid,
2256	struct yahoo_packet *pkt)
2257	{
2258	char *who = NULL;
2259	int status = 0;
2260	char *me = NULL;
2261	int un_ignore = 0;
2262
2263	YList *l;
2264	for (l = pkt->hash; l; l = l->next) {
2265	struct yahoo_pair *pair = l->data;
2266	if (pair->key == 0)
2267	who = pair->value;
2268	if (pair->key == 1)
2269	me = pair->value;
2270	if (pair->key == 13) /* 1 == ignore, 2 == unignore */
2271	un_ignore = strtol(pair->value, NULL, 10);
2272	if (pair->key == 66)
2273	status = strtol(pair->value, NULL, 10);
2274	}
2275
2276	/*
2277	* status
2278	* 0 - ok
2279	* 2 - already in ignore list, could not add
2280	* 3 - not in ignore list, could not delete
2281	* 12 - is a buddy, could not add
2282	*/
2283
2284	/* if(status)
2285	YAHOO_CALLBACK(ext_yahoo_error)(yd->client_id, who, 0, status);
2286	*/
2287	}
2288
2289	static void yahoo_process_voicechat(struct yahoo_input_data *yid,
2290	struct yahoo_packet *pkt)
2291	{
2292	char *who = NULL;
2293	char *me = NULL;
2294	char *room = NULL;
2295	char *voice_room = NULL;
2296
2297	YList *l;
2298	for (l = pkt->hash; l; l = l->next) {
2299	struct yahoo_pair *pair = l->data;
2300	if (pair->key == 4)
2301	who = pair->value;
2302	if (pair->key == 5)
2303	me = pair->value;
2304	if (pair->key == 13)
2305	voice_room = pair->value;
2306	if (pair->key == 57)
2307	room = pair->value;
2308	}
2309
2310	NOTICE(("got voice chat invite from %s in %s to identity %s", who, room,
2311	me));
2312	/*
2313	* send: s:0 1:me 5:who 57:room 13:1
2314	* ???? s:4 5:who 10:99 19:-1615114531
2315	* gotr: s:4 5:who 10:99 19:-1615114615
2316	* ???? s:1 5:me 4:who 57:room 13:3room
2317	* got: s:1 5:me 4:who 57:room 13:1room
2318	* rej: s:0 1:me 5:who 57:room 13:3
2319	* rejr: s:4 5:who 10:99 19:-1617114599
2320	*/
2321	}
2322
2323	static void yahoo_process_ping(struct yahoo_input_data *yid,
2324	struct yahoo_packet *pkt)
2325	{
2326	char *errormsg = NULL;
2327
2328	YList *l;
2329	for (l = pkt->hash; l; l = l->next) {
2330	struct yahoo_pair *pair = l->data;
2331	if (pair->key == 16)
2332	errormsg = pair->value;
2333	}
2334
2335	NOTICE(("got ping packet"));
2336	YAHOO_CALLBACK(ext_yahoo_got_ping) (yid->yd->client_id, errormsg);
2337	}
2338
2339	static void yahoo_process_buddy_change_group(struct yahoo_input_data *yid,
2340	struct yahoo_packet *pkt)
2341	{
2342	YList *l;
2343	char *me = NULL;
2344	char *who = NULL;
2345	char *old_group = NULL;
2346	char *new_group = NULL;
2347
2348	for (l = pkt->hash; l; l = l->next) {
2349	struct yahoo_pair *pair = l->data;
2350	if (pair->key == 1)
2351	me = pair->value;
2352	if (pair->key == 7)
2353	who = pair->value;
2354	if (pair->key == 224)
2355	old_group = pair->value;
2356	if (pair->key == 264)
2357	new_group = pair->value;
2358	}
2359
2360	YAHOO_CALLBACK(ext_yahoo_got_buddy_change_group) (yid->yd->client_id,
2361	me, who, old_group, new_group);
2362	}
2363
2364	static void _yahoo_webcam_get_server_connected(void fd, int error, void d)
2365	{
2366	struct yahoo_input_data *yid = d;
2367	char *who = yid->wcm->user;
2368	char *data = NULL;
2369	char *packet = NULL;
2370	unsigned char magic_nr[] = { 0, 1, 0 };
2371	unsigned char header_len = 8;
2372	unsigned int len = 0;
2373	unsigned int pos = 0;
2374
2375	if (error \|\| !fd) {
2376	FREE(who);
2377	FREE(yid);
2378	return;
2379	}
2380
2381	yid->fd = fd;
2382	inputs = y_list_prepend(inputs, yid);
2383
2384	/* send initial packet */
2385	if (who)
2386	data = strdup("<RVWCFG>");
2387	else
2388	data = strdup("<RUPCFG>");
2389	yahoo_add_to_send_queue(yid, data, strlen(data));
2390	FREE(data);
2391
2392	/* send data */
2393	if (who) {
2394	data = strdup("g=");
2395	data = y_string_append(data, who);
2396	data = y_string_append(data, "\r\n");
2397	} else {
2398	data = strdup("f=1\r\n");
2399	}
2400	len = strlen(data);
2401	packet = y_new0(char, header_len + len);
2402	packet[pos++] = header_len;
2403	memcpy(packet + pos, magic_nr, sizeof(magic_nr));
2404	pos += sizeof(magic_nr);
2405	pos += yahoo_put32(packet + pos, len);
2406	memcpy(packet + pos, data, len);
2407	pos += len;
2408	yahoo_add_to_send_queue(yid, packet, pos);
2409	FREE(packet);
2410	FREE(data);
2411
2412	yid->read_tag =
2413	YAHOO_CALLBACK(ext_yahoo_add_handler) (yid->yd->client_id, fd,
2414	YAHOO_INPUT_READ, yid);
2415	}
2416
2417	static void yahoo_webcam_get_server(struct yahoo_input_data y, char who,
2418	char *key)
2419	{
2420	struct yahoo_input_data *yid = y_new0(struct yahoo_input_data, 1);
2421	struct yahoo_server_settings *yss = y->yd->server_settings;
2422
2423	yid->type = YAHOO_CONNECTION_WEBCAM_MASTER;
2424	yid->yd = y->yd;
2425	yid->wcm = y_new0(struct yahoo_webcam, 1);
2426	yid->wcm->user = who ? strdup(who) : NULL;
2427	yid->wcm->direction = who ? YAHOO_WEBCAM_DOWNLOAD : YAHOO_WEBCAM_UPLOAD;
2428	yid->wcm->key = strdup(key);
2429
2430	YAHOO_CALLBACK(ext_yahoo_connect_async) (yid->yd->client_id,
2431	yss->webcam_host, yss->webcam_port,
2432	_yahoo_webcam_get_server_connected, yid, 0);
2433
2434	}
2435
2436	static YList *webcam_queue = NULL;
2437	static void yahoo_process_webcam_key(struct yahoo_input_data *yid,
2438	struct yahoo_packet *pkt)
2439	{
2440	char *me = NULL;
2441	char *key = NULL;
2442	char *who = NULL;
2443
2444	YList *l;
2445	yahoo_dump_unhandled(pkt);
2446	for (l = pkt->hash; l; l = l->next) {
2447	struct yahoo_pair *pair = l->data;
2448	if (pair->key == 5)
2449	me = pair->value;
2450	if (pair->key == 61)
2451	key = pair->value;
2452	}
2453
2454	l = webcam_queue;
2455	if (!l)
2456	return;
2457	who = l->data;
2458	webcam_queue = y_list_remove_link(webcam_queue, webcam_queue);
2459	y_list_free_1(l);
2460	yahoo_webcam_get_server(yid, who, key);
2461	FREE(who);
2462	}
2463
2464	static void yahoo_packet_process(struct yahoo_input_data *yid,
2465	struct yahoo_packet *pkt)
2466	{
2467	DEBUG_MSG(("yahoo_packet_process: 0x%02x", pkt->service));
2468	switch (pkt->service) {
2469	case YAHOO_SERVICE_USERSTAT:
2470	case YAHOO_SERVICE_LOGON:
2471	case YAHOO_SERVICE_LOGOFF:
2472	case YAHOO_SERVICE_ISAWAY:
2473	case YAHOO_SERVICE_ISBACK:
2474	case YAHOO_SERVICE_GAMELOGON:
2475	case YAHOO_SERVICE_GAMELOGOFF:
2476	case YAHOO_SERVICE_IDACT:
2477	case YAHOO_SERVICE_IDDEACT:
2478	case YAHOO_SERVICE_Y6_STATUS_UPDATE:
2479	case YAHOO_SERVICE_Y8_STATUS:
2480	yahoo_process_status(yid, pkt);
2481	break;
2482	case YAHOO_SERVICE_NOTIFY:
2483	yahoo_process_notify(yid, pkt);
2484	break;
2485	case YAHOO_SERVICE_MESSAGE:
2486	case YAHOO_SERVICE_GAMEMSG:
2487	case YAHOO_SERVICE_SYSMESSAGE:
2488	yahoo_process_message(yid, pkt);
2489	break;
2490	case YAHOO_SERVICE_NEWMAIL:
2491	yahoo_process_mail(yid, pkt);
2492	break;
2493	case YAHOO_SERVICE_Y7_AUTHORIZATION:
2494	yahoo_process_new_contact(yid, pkt);
2495	break;
2496	case YAHOO_SERVICE_NEWCONTACT:
2497	yahoo_process_contact(yid, pkt);
2498	break;
2499	case YAHOO_SERVICE_LIST:
2500	yahoo_process_list(yid, pkt);
2501	break;
2502	case YAHOO_SERVICE_VERIFY:
2503	yahoo_process_verify(yid, pkt);
2504	break;
2505	case YAHOO_SERVICE_AUTH:
2506	yahoo_process_auth(yid, pkt);
2507	break;
2508	case YAHOO_SERVICE_AUTHRESP:
2509	yahoo_process_auth_resp(yid, pkt);
2510	break;
2511	case YAHOO_SERVICE_CONFINVITE:
2512	case YAHOO_SERVICE_CONFADDINVITE:
2513	case YAHOO_SERVICE_CONFDECLINE:
2514	case YAHOO_SERVICE_CONFLOGON:
2515	case YAHOO_SERVICE_CONFLOGOFF:
2516	case YAHOO_SERVICE_CONFMSG:
2517	yahoo_process_conference(yid, pkt);
2518	break;
2519	case YAHOO_SERVICE_CHATONLINE:
2520	case YAHOO_SERVICE_CHATGOTO:
2521	case YAHOO_SERVICE_CHATJOIN:
2522	case YAHOO_SERVICE_CHATLEAVE:
2523	case YAHOO_SERVICE_CHATEXIT:
2524	case YAHOO_SERVICE_CHATLOGOUT:
2525	case YAHOO_SERVICE_CHATPING:
2526	case YAHOO_SERVICE_COMMENT:
2527	yahoo_process_chat(yid, pkt);
2528	break;
2529	case YAHOO_SERVICE_P2PFILEXFER:
2530	case YAHOO_SERVICE_Y7_FILETRANSFER:
2531	yahoo_process_filetransfer(yid, pkt);
2532	break;
2533	case YAHOO_SERVICE_Y7_FILETRANSFERINFO:
2534	yahoo_process_filetransferinfo(yid, pkt);
2535	break;
2536	case YAHOO_SERVICE_Y7_FILETRANSFERACCEPT:
2537	yahoo_process_filetransferaccept(yid, pkt);
2538	break;
2539	case YAHOO_SERVICE_ADDBUDDY:
2540	yahoo_process_buddyadd(yid, pkt);
2541	break;
2542	case YAHOO_SERVICE_REMBUDDY:
2543	yahoo_process_buddydel(yid, pkt);
2544	break;
2545	case YAHOO_SERVICE_IGNORECONTACT:
2546	yahoo_process_ignore(yid, pkt);
2547	break;
2548	case YAHOO_SERVICE_VOICECHAT:
2549	yahoo_process_voicechat(yid, pkt);
2550	break;
2551	case YAHOO_SERVICE_WEBCAM:
2552	yahoo_process_webcam_key(yid, pkt);
2553	break;
2554	case YAHOO_SERVICE_PING:
2555	yahoo_process_ping(yid, pkt);
2556	break;
2557	case YAHOO_SERVICE_Y7_CHANGE_GROUP:
2558	yahoo_process_buddy_change_group(yid, pkt);
2559	break;
2560	case YAHOO_SERVICE_IDLE:
2561	case YAHOO_SERVICE_MAILSTAT:
2562	case YAHOO_SERVICE_CHATINVITE:
2563	case YAHOO_SERVICE_CALENDAR:
2564	case YAHOO_SERVICE_NEWPERSONALMAIL:
2565	case YAHOO_SERVICE_ADDIDENT:
2566	case YAHOO_SERVICE_ADDIGNORE:
2567	case YAHOO_SERVICE_GOTGROUPRENAME:
2568	case YAHOO_SERVICE_GROUPRENAME:
2569	case YAHOO_SERVICE_PASSTHROUGH2:
2570	case YAHOO_SERVICE_CHATLOGON:
2571	case YAHOO_SERVICE_CHATLOGOFF:
2572	case YAHOO_SERVICE_CHATMSG:
2573	case YAHOO_SERVICE_REJECTCONTACT:
2574	case YAHOO_SERVICE_PEERTOPEER:
2575	WARNING(("unhandled service 0x%02x", pkt->service));
2576	yahoo_dump_unhandled(pkt);
2577	break;
2578	case YAHOO_SERVICE_PICTURE:
2579	yahoo_process_picture(yid, pkt);
2580	break;
2581	case YAHOO_SERVICE_PICTURE_CHECKSUM:
2582	yahoo_process_picture_checksum(yid, pkt);
2583	break;
2584	case YAHOO_SERVICE_PICTURE_UPLOAD:
2585	yahoo_process_picture_upload(yid, pkt);
2586	break;
2587	case YAHOO_SERVICE_Y8_LIST: /* Buddy List */
2588	yahoo_process_buddy_list(yid, pkt);
2589	break;
2590	default:
2591	WARNING(("unknown service 0x%02x", pkt->service));
2592	yahoo_dump_unhandled(pkt);
2593	break;
2594	}
2595	}
2596
2597	static struct yahoo_packet yahoo_getdata(struct yahoo_input_data yid)
2598	{
2599	struct yahoo_packet *pkt;
2600	struct yahoo_data *yd = yid->yd;
2601	int pos = 0;
2602	int pktlen;
2603
2604	if (!yd)
2605	return NULL;
2606
2607	DEBUG_MSG(("rxlen is %d", yid->rxlen));
2608	if (yid->rxlen < YAHOO_PACKET_HDRLEN) {
2609	DEBUG_MSG(("len < YAHOO_PACKET_HDRLEN"));
2610	return NULL;
2611	}
2612
2613	pos += 4; /* YMSG */
2614	pos += 2;
2615	pos += 2;
2616
2617	pktlen = yahoo_get16(yid->rxqueue + pos);
2618	pos += 2;
2619	DEBUG_MSG(("%d bytes to read, rxlen is %d", pktlen, yid->rxlen));
2620
2621	if (yid->rxlen < (YAHOO_PACKET_HDRLEN + pktlen)) {
2622	DEBUG_MSG(("len < YAHOO_PACKET_HDRLEN + pktlen"));
2623	return NULL;
2624	}
2625
2626	LOG(("reading packet"));
2627	yahoo_packet_dump(yid->rxqueue, YAHOO_PACKET_HDRLEN + pktlen);
2628
2629	pkt = yahoo_packet_new(0, 0, 0);
2630
2631	pkt->service = yahoo_get16(yid->rxqueue + pos);
2632	pos += 2;
2633	pkt->status = yahoo_get32(yid->rxqueue + pos);
2634	pos += 4;
2635	DEBUG_MSG(("Yahoo Service: 0x%02x Status: %d", pkt->service,
2636	pkt->status));
2637	pkt->id = yahoo_get32(yid->rxqueue + pos);
2638	pos += 4;
2639
2640	yd->session_id = pkt->id;
2641
2642	yahoo_packet_read(pkt, yid->rxqueue + pos, pktlen);
2643
2644	yid->rxlen -= YAHOO_PACKET_HDRLEN + pktlen;
2645	DEBUG_MSG(("rxlen == %d, rxqueue == %p", yid->rxlen, yid->rxqueue));
2646	if (yid->rxlen > 0) {
2647	unsigned char *tmp = y_memdup(yid->rxqueue + YAHOO_PACKET_HDRLEN
2648	+ pktlen, yid->rxlen);
2649	FREE(yid->rxqueue);
2650	yid->rxqueue = tmp;
2651	DEBUG_MSG(("new rxlen == %d, rxqueue == %p", yid->rxlen,
2652	yid->rxqueue));
2653	} else {
2654	DEBUG_MSG(("freed rxqueue == %p", yid->rxqueue));
2655	FREE(yid->rxqueue);
2656	}
2657
2658	return pkt;
2659	}
2660
2661	static struct yab yahoo_yab_read(unsigned char d, int len)
2662	{
2663	char st, en;
2664	char data = (char )d;
2665	struct yab *yab = NULL;
2666
2667	data[len] = '\0';
2668
2669	DEBUG_MSG(("Got yab: %s", data));
2670	st = en = strstr(data, "e0=\"");
2671	if (st) {
2672	yab = y_new0(struct yab, 1);
2673
2674	st += strlen("e0=\"");
2675	en = strchr(st, '"');
2676	*en++ = '\0';
2677	yab->email = yahoo_xmldecode(st);
2678	}
2679
2680	if (!en)
2681	return NULL;
2682
2683	st = strstr(en, "id=\"");
2684	if (st) {
2685	st += strlen("id=\"");
2686	en = strchr(st, '"');
2687	*en++ = '\0';
2688	yab->yid = atoi(yahoo_xmldecode(st));
2689	}
2690
2691	st = strstr(en, "fn=\"");
2692	if (st) {
2693	st += strlen("fn=\"");
2694	en = strchr(st, '"');
2695	*en++ = '\0';
2696	yab->fname = yahoo_xmldecode(st);
2697	}
2698
2699	st = strstr(en, "ln=\"");
2700	if (st) {
2701	st += strlen("ln=\"");
2702	en = strchr(st, '"');
2703	*en++ = '\0';
2704	yab->lname = yahoo_xmldecode(st);
2705	}
2706
2707	st = strstr(en, "nn=\"");
2708	if (st) {
2709	st += strlen("nn=\"");
2710	en = strchr(st, '"');
2711	*en++ = '\0';
2712	yab->nname = yahoo_xmldecode(st);
2713	}
2714
2715	st = strstr(en, "yi=\"");
2716	if (st) {
2717	st += strlen("yi=\"");
2718	en = strchr(st, '"');
2719	*en++ = '\0';
2720	yab->id = yahoo_xmldecode(st);
2721	}
2722
2723	st = strstr(en, "hphone=\"");
2724	if (st) {
2725	st += strlen("hphone=\"");
2726	en = strchr(st, '"');
2727	*en++ = '\0';
2728	yab->hphone = yahoo_xmldecode(st);
2729	}
2730
2731	st = strstr(en, "wphone=\"");
2732	if (st) {
2733	st += strlen("wphone=\"");
2734	en = strchr(st, '"');
2735	*en++ = '\0';
2736	yab->wphone = yahoo_xmldecode(st);
2737	}
2738
2739	st = strstr(en, "mphone=\"");
2740	if (st) {
2741	st += strlen("mphone=\"");
2742	en = strchr(st, '"');
2743	*en++ = '\0';
2744	yab->mphone = yahoo_xmldecode(st);
2745	}
2746
2747	st = strstr(en, "dbid=\"");
2748	if (st) {
2749	st += strlen("dbid=\"");
2750	en = strchr(st, '"');
2751	*en++ = '\0';
2752	yab->dbid = atoi(st);
2753	}
2754
2755	return yab;
2756	}
2757
2758	static struct yab yahoo_getyab(struct yahoo_input_data yid)
2759	{
2760	struct yab *yab = NULL;
2761	int pos = 0, end = 0;
2762	struct yahoo_data *yd = yid->yd;
2763
2764	if (!yd)
2765	return NULL;
2766
2767	do {
2768	DEBUG_MSG(("rxlen is %d", yid->rxlen));
2769
2770	if (yid->rxlen <= strlen("<ct"))
2771	return NULL;
2772
2773	/* start with <ct */
2774	while (pos < yid->rxlen - strlen("<ct") + 1
2775	&& memcmp(yid->rxqueue + pos, "<ct", strlen("<ct")))
2776	pos++;
2777
2778	if (pos >= yid->rxlen - 1)
2779	return NULL;
2780
2781	end = pos + 2;
2782	/* end with > */
2783	while (end < yid->rxlen - strlen(">")
2784	&& memcmp(yid->rxqueue + end, ">", strlen(">")))
2785	end++;
2786
2787	if (end >= yid->rxlen - 1)
2788	return NULL;
2789
2790	yab = yahoo_yab_read(yid->rxqueue + pos, end + 2 - pos);
2791
2792	yid->rxlen -= end + 1;
2793	DEBUG_MSG(("rxlen == %d, rxqueue == %p", yid->rxlen,
2794	yid->rxqueue));
2795	if (yid->rxlen > 0) {
2796	unsigned char *tmp =
2797	y_memdup(yid->rxqueue + end + 1, yid->rxlen);
2798	FREE(yid->rxqueue);
2799	yid->rxqueue = tmp;
2800	DEBUG_MSG(("new rxlen == %d, rxqueue == %p", yid->rxlen,
2801	yid->rxqueue));
2802	} else {
2803	DEBUG_MSG(("freed rxqueue == %p", yid->rxqueue));
2804	FREE(yid->rxqueue);
2805	}
2806
2807	} while (!yab && end < yid->rxlen - 1);
2808
2809	return yab;
2810	}
2811
2812	static char yahoo_getwebcam_master(struct yahoo_input_data yid)
2813	{
2814	unsigned int pos = 0;
2815	unsigned int len = 0;
2816	unsigned int status = 0;
2817	char *server = NULL;
2818	struct yahoo_data *yd = yid->yd;
2819
2820	if (!yid \|\| !yd)
2821	return NULL;
2822
2823	DEBUG_MSG(("rxlen is %d", yid->rxlen));
2824
2825	len = yid->rxqueue[pos++];
2826	if (yid->rxlen < len)
2827	return NULL;
2828
2829	/* extract status (0 = ok, 6 = webcam not online) */
2830	status = yid->rxqueue[pos++];
2831
2832	if (status == 0) {
2833	pos += 2; /* skip next 2 bytes */
2834	server = y_memdup(yid->rxqueue + pos, 16);
2835	pos += 16;
2836	} else if (status == 6) {
2837	YAHOO_CALLBACK(ext_yahoo_webcam_closed)
2838	(yd->client_id, yid->wcm->user, 4);
2839	}
2840
2841	/* skip rest of the data */
2842
2843	yid->rxlen -= len;
2844	DEBUG_MSG(("rxlen == %d, rxqueue == %p", yid->rxlen, yid->rxqueue));
2845	if (yid->rxlen > 0) {
2846	unsigned char *tmp = y_memdup(yid->rxqueue + pos, yid->rxlen);
2847	FREE(yid->rxqueue);
2848	yid->rxqueue = tmp;
2849	DEBUG_MSG(("new rxlen == %d, rxqueue == %p", yid->rxlen,
2850	yid->rxqueue));
2851	} else {
2852	DEBUG_MSG(("freed rxqueue == %p", yid->rxqueue));
2853	FREE(yid->rxqueue);
2854	}
2855
2856	return server;
2857	}
2858
2859	static int yahoo_get_webcam_data(struct yahoo_input_data *yid)
2860	{
2861	unsigned char reason = 0;
2862	unsigned int pos = 0;
2863	unsigned int begin = 0;
2864	unsigned int end = 0;
2865	unsigned int closed = 0;
2866	unsigned char header_len = 0;
2867	char *who;
2868	int connect = 0;
2869	struct yahoo_data *yd = yid->yd;
2870
2871	if (!yd)
2872	return -1;
2873
2874	if (!yid->wcm \|\| !yid->wcd \|\| !yid->rxlen)
2875	return -1;
2876
2877	DEBUG_MSG(("rxlen is %d", yid->rxlen));
2878
2879	/* if we are not reading part of image then read header */
2880	if (!yid->wcd->to_read) {
2881	header_len = yid->rxqueue[pos++];
2882	yid->wcd->packet_type = 0;
2883
2884	if (yid->rxlen < header_len)
2885	return 0;
2886
2887	if (header_len >= 8) {
2888	reason = yid->rxqueue[pos++];
2889	/* next 2 bytes should always be 05 00 */
2890	pos += 2;
2891	yid->wcd->data_size = yahoo_get32(yid->rxqueue + pos);
2892	pos += 4;
2893	yid->wcd->to_read = yid->wcd->data_size;
2894	}
2895	if (header_len >= 13) {
2896	yid->wcd->packet_type = yid->rxqueue[pos++];
2897	yid->wcd->timestamp = yahoo_get32(yid->rxqueue + pos);
2898	pos += 4;
2899	}
2900
2901	/* skip rest of header */
2902	pos = header_len;
2903	}
2904
2905	begin = pos;
2906	pos += yid->wcd->to_read;
2907	if (pos > yid->rxlen)
2908	pos = yid->rxlen;
2909
2910	/* if it is not an image then make sure we have the whole packet */
2911	if (yid->wcd->packet_type != 0x02) {
2912	if ((pos - begin) != yid->wcd->data_size) {
2913	yid->wcd->to_read = 0;
2914	return 0;
2915	} else {
2916	yahoo_packet_dump(yid->rxqueue + begin, pos - begin);
2917	}
2918	}
2919
2920	DEBUG_MSG(("packet type %.2X, data length %d", yid->wcd->packet_type,
2921	yid->wcd->data_size));
2922
2923	/* find out what kind of packet we got */
2924	switch (yid->wcd->packet_type) {
2925	case 0x00:
2926	/* user requests to view webcam (uploading) */
2927	if (yid->wcd->data_size &&
2928	yid->wcm->direction == YAHOO_WEBCAM_UPLOAD) {
2929	end = begin;
2930	while (end <= yid->rxlen && yid->rxqueue[end++] != 13) ;
2931	if (end > begin) {
2932	who = y_memdup(yid->rxqueue + begin,
2933	end - begin);
2934	who[end - begin - 1] = 0;
2935	YAHOO_CALLBACK(ext_yahoo_webcam_viewer) (yd->
2936	client_id, who + 2, 2);
2937	FREE(who);
2938	}
2939	}
2940
2941	if (yid->wcm->direction == YAHOO_WEBCAM_DOWNLOAD) {
2942	/* timestamp/status field */
2943	/* 0 = declined viewing permission */
2944	/* 1 = accepted viewing permission */
2945	if (yid->wcd->timestamp == 0) {
2946	YAHOO_CALLBACK(ext_yahoo_webcam_closed) (yd->
2947	client_id, yid->wcm->user, 3);
2948	}
2949	}
2950	break;
2951	case 0x01: /* status packets?? */
2952	/* timestamp contains status info */
2953	/* 00 00 00 01 = we have data?? */
2954	break;
2955	case 0x02: /* image data */
2956	YAHOO_CALLBACK(ext_yahoo_got_webcam_image) (yd->client_id,
2957	yid->wcm->user, yid->rxqueue + begin,
2958	yid->wcd->data_size, pos - begin, yid->wcd->timestamp);
2959	break;
2960	case 0x05: /* response packets when uploading */
2961	if (!yid->wcd->data_size) {
2962	YAHOO_CALLBACK(ext_yahoo_webcam_data_request) (yd->
2963	client_id, yid->wcd->timestamp);
2964	}
2965	break;
2966	case 0x07: /* connection is closing */
2967	switch (reason) {
2968	case 0x01: /* user closed connection */
2969	closed = 1;
2970	break;
2971	case 0x0F: /* user cancelled permission */
2972	closed = 2;
2973	break;
2974	}
2975	YAHOO_CALLBACK(ext_yahoo_webcam_closed) (yd->client_id,
2976	yid->wcm->user, closed);
2977	break;
2978	case 0x0C: /* user connected */
2979	case 0x0D: /* user disconnected */
2980	if (yid->wcd->data_size) {
2981	who = y_memdup(yid->rxqueue + begin, pos - begin + 1);
2982	who[pos - begin] = 0;
2983	if (yid->wcd->packet_type == 0x0C)
2984	connect = 1;
2985	else
2986	connect = 0;
2987	YAHOO_CALLBACK(ext_yahoo_webcam_viewer) (yd->client_id,
2988	who, connect);
2989	FREE(who);
2990	}
2991	break;
2992	case 0x13: /* user data */
2993	/* i=user_ip (ip of the user we are viewing) */
2994	/* j=user_ext_ip (external ip of the user we */
2995	/* are viewing) */
2996	break;
2997	case 0x17: /* ?? */
2998	break;
2999	}
3000	yid->wcd->to_read -= pos - begin;
3001
3002	yid->rxlen -= pos;
3003	DEBUG_MSG(("rxlen == %d, rxqueue == %p", yid->rxlen, yid->rxqueue));
3004	if (yid->rxlen > 0) {
3005	unsigned char *tmp = y_memdup(yid->rxqueue + pos, yid->rxlen);
3006	FREE(yid->rxqueue);
3007	yid->rxqueue = tmp;
3008	DEBUG_MSG(("new rxlen == %d, rxqueue == %p", yid->rxlen,
3009	yid->rxqueue));
3010	} else {
3011	DEBUG_MSG(("freed rxqueue == %p", yid->rxqueue));
3012	FREE(yid->rxqueue);
3013	}
3014
3015	/* If we read a complete packet return success */
3016	if (!yid->wcd->to_read)
3017	return 1;
3018
3019	return 0;
3020	}
3021
3022	int yahoo_write_ready(int id, void fd, void data)
3023	{
3024	struct yahoo_input_data *yid = data;
3025	int len;
3026	struct data_queue *tx;
3027
3028	LOG(("write callback: id=%d fd=%p data=%p", id, fd, data));
3029	if (!yid \|\| !yid->txqueues)
3030	return -2;
3031
3032	tx = yid->txqueues->data;
3033	LOG(("writing %d bytes", tx->len));
3034	len = yahoo_send_data(fd, tx->queue, MIN(1024, tx->len));
3035
3036	if (len == -1 && errno == EAGAIN)
3037	return 1;
3038
3039	if (len <= 0) {
3040	int e = errno;
3041	DEBUG_MSG(("len == %d (<= 0)", len));
3042	while (yid->txqueues) {
3043	YList *l = yid->txqueues;
3044	tx = l->data;
3045	free(tx->queue);
3046	free(tx);
3047	yid->txqueues =
3048	y_list_remove_link(yid->txqueues,
3049	yid->txqueues);
3050	y_list_free_1(l);
3051	}
3052	LOG(("yahoo_write_ready(%d, %p) len < 0", id, fd));
3053	YAHOO_CALLBACK(ext_yahoo_remove_handler) (id, yid->write_tag);
3054	yid->write_tag = 0;
3055	errno = e;
3056	return 0;
3057	}
3058
3059
3060	tx->len -= len;
3061	if (tx->len > 0) {
3062	unsigned char *tmp = y_memdup(tx->queue + len, tx->len);
3063	FREE(tx->queue);
3064	tx->queue = tmp;
3065	} else {
3066	YList *l = yid->txqueues;
3067	free(tx->queue);
3068	free(tx);
3069	yid->txqueues =
3070	y_list_remove_link(yid->txqueues, yid->txqueues);
3071	y_list_free_1(l);
3072	/*
3073	if(!yid->txqueues)
3074	LOG(("yahoo_write_ready(%d, %d) !yxqueues", id, fd));
3075	*/
3076	if (!yid->txqueues) {
3077	LOG(("yahoo_write_ready(%d, %p) !txqueues", id, fd));
3078	YAHOO_CALLBACK(ext_yahoo_remove_handler) (id,
3079	yid->write_tag);
3080	yid->write_tag = 0;
3081	}
3082	}
3083
3084	return 1;
3085	}
3086
3087	static void yahoo_process_pager_connection(struct yahoo_input_data *yid,
3088	int over)
3089	{
3090	struct yahoo_packet *pkt;
3091	struct yahoo_data *yd = yid->yd;
3092	int id = yd->client_id;
3093
3094	if (over)
3095	return;
3096
3097	while (find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER)
3098	&& (pkt = yahoo_getdata(yid)) != NULL) {
3099
3100	yahoo_packet_process(yid, pkt);
3101
3102	yahoo_packet_free(pkt);
3103	}
3104	}
3105
3106	static void yahoo_process_chatcat_connection(struct yahoo_input_data *yid,
3107	int over)
3108	{
3109	if (over)
3110	return;
3111
3112	if (strstr((char *)yid->rxqueue + (yid->rxlen - 20), "</content>")) {
3113	YAHOO_CALLBACK(ext_yahoo_chat_cat_xml) (yid->yd->client_id,
3114	(char *)yid->rxqueue);
3115	}
3116	}
3117
3118	static void yahoo_process_yab_connection(struct yahoo_input_data *yid, int over)
3119	{
3120	struct yahoo_data *yd = yid->yd;
3121	struct yab *yab;
3122	YList *buds;
3123	int changed = 0;
3124	int id = yd->client_id;
3125	int yab_used = 0;
3126
3127	LOG(("Got data for YAB"));
3128
3129	if (over)
3130	return;
3131
3132	while (find_input_by_id_and_type(id, YAHOO_CONNECTION_YAB)
3133	&& (yab = yahoo_getyab(yid)) != NULL) {
3134	if (!yab->id)
3135	continue;
3136
3137	changed = 1;
3138	yab_used = 0;
3139	for (buds = yd->buddies; buds; buds = buds->next) {
3140	struct yahoo_buddy *bud = buds->data;
3141	if (!strcmp(bud->id, yab->id)) {
3142	yab_used = 1;
3143	bud->yab_entry = yab;
3144	if (yab->nname) {
3145	bud->real_name = strdup(yab->nname);
3146	} else if (yab->fname && yab->lname) {
3147	bud->real_name = y_new0(char,
3148	strlen(yab->fname) +
3149	strlen(yab->lname) + 2);
3150	sprintf(bud->real_name, "%s %s",
3151	yab->fname, yab->lname);
3152	} else if (yab->fname) {
3153	bud->real_name = strdup(yab->fname);
3154	}
3155	break; /* for */
3156	}
3157	}
3158
3159	if (!yab_used) {
3160	FREE(yab->fname);
3161	FREE(yab->lname);
3162	FREE(yab->nname);
3163	FREE(yab->id);
3164	FREE(yab->email);
3165	FREE(yab->hphone);
3166	FREE(yab->wphone);
3167	FREE(yab->mphone);
3168	FREE(yab);
3169	}
3170
3171	}
3172
3173	if (changed)
3174	YAHOO_CALLBACK(ext_yahoo_got_buddies) (yd->client_id,
3175	yd->buddies);
3176	}
3177
3178	static void yahoo_process_search_connection(struct yahoo_input_data *yid,
3179	int over)
3180	{
3181	struct yahoo_found_contact *yct = NULL;
3182	char p = (char )yid->rxqueue, np, cp;
3183	int k, n;
3184	int start = 0, found = 0, total = 0;
3185	YList *contacts = NULL;
3186	struct yahoo_input_data *pyid =
3187	find_input_by_id_and_type(yid->yd->client_id,
3188	YAHOO_CONNECTION_PAGER);
3189
3190	if (!over \|\| !pyid)
3191	return;
3192
3193	if (p && (p = strstr(p, "\r\n\r\n"))) {
3194	p += 4;
3195
3196	for (k = 0; (p = strchr(p, 4)) && (k < 4); k++) {
3197	p++;
3198	n = atoi(p);
3199	switch (k) {
3200	case 0:
3201	found = pyid->ys->lsearch_nfound = n;
3202	break;
3203	case 2:
3204	start = pyid->ys->lsearch_nstart = n;
3205	break;
3206	case 3:
3207	total = pyid->ys->lsearch_ntotal = n;
3208	break;
3209	}
3210	}
3211
3212	if (p)
3213	p++;
3214
3215	k = 0;
3216	while (p && *p) {
3217	cp = p;
3218	np = strchr(p, 4);
3219
3220	if (!np)
3221	break;
3222	*np = 0;
3223	p = np + 1;
3224
3225	switch (k++) {
3226	case 1:
3227	if (strlen(cp) > 2
3228	&& y_list_length(contacts) < total) {
3229	yct = y_new0(struct yahoo_found_contact,
3230	1);
3231	contacts = y_list_append(contacts, yct);
3232	yct->id = cp + 2;
3233	} else {
3234	*p = 0;
3235	}
3236	break;
3237	case 2:
3238	yct->online = !strcmp(cp, "2") ? 1 : 0;
3239	break;
3240	case 3:
3241	yct->gender = cp;
3242	break;
3243	case 4:
3244	yct->age = atoi(cp);
3245	break;
3246	case 5:
3247	/* not worth the context switch for strcmp */
3248	if (cp[0] != '\005' \|\| cp[1] != '\000')
3249	yct->location = cp;
3250	k = 0;
3251	break;
3252	}
3253	}
3254	}
3255
3256	YAHOO_CALLBACK(ext_yahoo_got_search_result) (yid->yd->client_id, found,
3257	start, total, contacts);
3258
3259	while (contacts) {
3260	YList *node = contacts;
3261	contacts = y_list_remove_link(contacts, node);
3262	free(node->data);
3263	y_list_free_1(node);
3264	}
3265	}
3266
3267	static void _yahoo_webcam_connected(void fd, int error, void d)
3268	{
3269	struct yahoo_input_data *yid = d;
3270	struct yahoo_webcam *wcm = yid->wcm;
3271	struct yahoo_data *yd = yid->yd;
3272	char conn_type[100];
3273	char *data = NULL;
3274	char *packet = NULL;
3275	unsigned char magic_nr[] = { 1, 0, 0, 0, 1 };
3276	unsigned header_len = 0;
3277	unsigned int len = 0;
3278	unsigned int pos = 0;
3279
3280	if (error \|\| !fd) {
3281	FREE(yid);
3282	return;
3283	}
3284
3285	yid->fd = fd;
3286	inputs = y_list_prepend(inputs, yid);
3287
3288	LOG(("Connected"));
3289	/* send initial packet */
3290	switch (wcm->direction) {
3291	case YAHOO_WEBCAM_DOWNLOAD:
3292	data = strdup("<REQIMG>");
3293	break;
3294	case YAHOO_WEBCAM_UPLOAD:
3295	data = strdup("<SNDIMG>");
3296	break;
3297	default:
3298	return;
3299	}
3300	yahoo_add_to_send_queue(yid, data, strlen(data));
3301	FREE(data);
3302
3303	/* send data */
3304	switch (wcm->direction) {
3305	case YAHOO_WEBCAM_DOWNLOAD:
3306	header_len = 8;
3307	data = strdup("a=2\r\nc=us\r\ne=21\r\nu=");
3308	data = y_string_append(data, yd->user);
3309	data = y_string_append(data, "\r\nt=");
3310	data = y_string_append(data, wcm->key);
3311	data = y_string_append(data, "\r\ni=");
3312	data = y_string_append(data, wcm->my_ip);
3313	data = y_string_append(data, "\r\ng=");
3314	data = y_string_append(data, wcm->user);
3315	data = y_string_append(data, "\r\no=w-2-5-1\r\np=");
3316	snprintf(conn_type, sizeof(conn_type), "%d", wcm->conn_type);
3317	data = y_string_append(data, conn_type);
3318	data = y_string_append(data, "\r\n");
3319	break;
3320	case YAHOO_WEBCAM_UPLOAD:
3321	header_len = 13;
3322	data = strdup("a=2\r\nc=us\r\nu=");
3323	data = y_string_append(data, yd->user);
3324	data = y_string_append(data, "\r\nt=");
3325	data = y_string_append(data, wcm->key);
3326	data = y_string_append(data, "\r\ni=");
3327	data = y_string_append(data, wcm->my_ip);
3328	data = y_string_append(data, "\r\no=w-2-5-1\r\np=");
3329	snprintf(conn_type, sizeof(conn_type), "%d", wcm->conn_type);
3330	data = y_string_append(data, conn_type);
3331	data = y_string_append(data, "\r\nb=");
3332	data = y_string_append(data, wcm->description);
3333	data = y_string_append(data, "\r\n");
3334	break;
3335	}
3336
3337	len = strlen(data);
3338	packet = y_new0(char, header_len + len);
3339	packet[pos++] = header_len;
3340	packet[pos++] = 0;
3341	switch (wcm->direction) {
3342	case YAHOO_WEBCAM_DOWNLOAD:
3343	packet[pos++] = 1;
3344	packet[pos++] = 0;
3345	break;
3346	case YAHOO_WEBCAM_UPLOAD:
3347	packet[pos++] = 5;
3348	packet[pos++] = 0;
3349	break;
3350	}
3351
3352	pos += yahoo_put32(packet + pos, len);
3353	if (wcm->direction == YAHOO_WEBCAM_UPLOAD) {
3354	memcpy(packet + pos, magic_nr, sizeof(magic_nr));
3355	pos += sizeof(magic_nr);
3356	}
3357	memcpy(packet + pos, data, len);
3358	yahoo_add_to_send_queue(yid, packet, header_len + len);
3359	FREE(packet);
3360	FREE(data);
3361
3362	yid->read_tag =
3363	YAHOO_CALLBACK(ext_yahoo_add_handler) (yid->yd->client_id,
3364	yid->fd, YAHOO_INPUT_READ, yid);
3365	}
3366
3367	static void yahoo_webcam_connect(struct yahoo_input_data *y)
3368	{
3369	struct yahoo_webcam *wcm = y->wcm;
3370	struct yahoo_input_data *yid;
3371	struct yahoo_server_settings *yss;
3372
3373	if (!wcm \|\| !wcm->server \|\| !wcm->key)
3374	return;
3375
3376	yid = y_new0(struct yahoo_input_data, 1);
3377	yid->type = YAHOO_CONNECTION_WEBCAM;
3378	yid->yd = y->yd;
3379
3380	/* copy webcam data to new connection */
3381	yid->wcm = y->wcm;
3382	y->wcm = NULL;
3383
3384	yss = y->yd->server_settings;
3385
3386	yid->wcd = y_new0(struct yahoo_webcam_data, 1);
3387
3388	LOG(("Connecting to: %s:%d", wcm->server, wcm->port));
3389	YAHOO_CALLBACK(ext_yahoo_connect_async) (y->yd->client_id, wcm->server,
3390	wcm->port, _yahoo_webcam_connected, yid, 0);
3391
3392	}
3393
3394	static void yahoo_process_webcam_master_connection(struct yahoo_input_data *yid,
3395	int over)
3396	{
3397	char *server;
3398	struct yahoo_server_settings *yss;
3399
3400	if (over)
3401	return;
3402
3403	server = yahoo_getwebcam_master(yid);
3404
3405	if (server) {
3406	yss = yid->yd->server_settings;
3407	yid->wcm->server = strdup(server);
3408	yid->wcm->port = yss->webcam_port;
3409	yid->wcm->conn_type = yss->conn_type;
3410	yid->wcm->my_ip = strdup(yss->local_host);
3411	if (yid->wcm->direction == YAHOO_WEBCAM_UPLOAD)
3412	yid->wcm->description = strdup(yss->webcam_description);
3413	yahoo_webcam_connect(yid);
3414	FREE(server);
3415	}
3416	}
3417
3418	static void yahoo_process_webcam_connection(struct yahoo_input_data *yid,
3419	int over)
3420	{
3421	int id = yid->yd->client_id;
3422	void *fd = yid->fd;
3423
3424	if (over)
3425	return;
3426
3427	/* as long as we still have packets available keep processing them */
3428	while (find_input_by_id_and_fd(id, fd)
3429	&& yahoo_get_webcam_data(yid) == 1) ;
3430	}
3431
3432	static void (yahoo_process_connection[]) (struct yahoo_input_data ,
3433	int over) = {
3434	yahoo_process_pager_connection, yahoo_process_ft_connection,
3435	yahoo_process_yab_connection,
3436	yahoo_process_webcam_master_connection,
3437	yahoo_process_webcam_connection,
3438	yahoo_process_chatcat_connection,
3439	yahoo_process_search_connection};
3440
3441	int yahoo_read_ready(int id, void fd, void data)
3442	{
3443	struct yahoo_input_data *yid = data;
3444	char buf[1024];
3445	int len;
3446
3447	LOG(("read callback: id=%d fd=%p data=%p", id, fd, data));
3448	if (!yid)
3449	return -2;
3450
3451	do {
3452	len = YAHOO_CALLBACK(ext_yahoo_read) (fd, buf, sizeof(buf));
3453	} while (len == -1 && errno == EINTR);
3454
3455	if (len == -1 && (errno == EAGAIN \|\| errno == EINTR)) /* we'll try again later */
3456	return 1;
3457
3458	if (len <= 0) {
3459	int e = errno;
3460	DEBUG_MSG(("len == %d (<= 0)", len));
3461
3462	if (yid->type == YAHOO_CONNECTION_PAGER) {
3463	YAHOO_CALLBACK(ext_yahoo_login_response) (yid->yd->
3464	client_id, YAHOO_LOGIN_SOCK, NULL);
3465	}
3466
3467	yahoo_process_connection[yid->type] (yid, 1);
3468	yahoo_input_close(yid);
3469
3470	/* no need to return an error, because we've already fixed it */
3471	if (len == 0)
3472	return 1;
3473
3474	errno = e;
3475	LOG(("read error: %s", strerror(errno)));
3476	return -1;
3477	}
3478
3479	yid->rxqueue =
3480	y_renew(unsigned char, yid->rxqueue, len + yid->rxlen + 1);
3481	memcpy(yid->rxqueue + yid->rxlen, buf, len);
3482	yid->rxlen += len;
3483	yid->rxqueue[yid->rxlen] = 0;
3484
3485	yahoo_process_connection[yid->type] (yid, 0);
3486
3487	return len;
3488	}
3489
3490	int yahoo_init_with_attributes(const char username, const char password, ...)
3491	{
3492	va_list ap;
3493	struct yahoo_data *yd;
3494
3495	yd = y_new0(struct yahoo_data, 1);
3496
3497	if (!yd)
3498	return 0;
3499
3500	yd->user = strdup(username);
3501	yd->password = strdup(password);
3502
3503	yd->initial_status = -1;
3504	yd->current_status = -1;
3505
3506	yd->client_id = ++last_id;
3507
3508	add_to_list(yd);
3509
3510	va_start(ap, password);
3511	yd->server_settings = _yahoo_assign_server_settings(ap);
3512	va_end(ap);
3513
3514	return yd->client_id;
3515	}
3516
3517	int yahoo_init(const char username, const char password)
3518	{
3519	return yahoo_init_with_attributes(username, password, NULL);
3520	}
3521
3522	static void yahoo_connected(void fd, int error, void data)
3523	{
3524	struct connect_callback_data *ccd = data;
3525	struct yahoo_data *yd = ccd->yd;
3526	struct yahoo_packet *pkt;
3527	struct yahoo_input_data *yid;
3528	struct yahoo_server_settings *yss = yd->server_settings;
3529
3530	if (error) {
3531	int tag;
3532	if (fallback_ports[ccd->i]) {
3533	char *host = yss->pager_host;
3534
3535	if (!host)
3536	host = yss->pager_host_list[ccd->server_i];
3537
3538	yss->pager_port = fallback_ports[ccd->i++];
3539	tag = YAHOO_CALLBACK(ext_yahoo_connect_async) (yd->
3540	client_id, host, yss->pager_port,
3541	yahoo_connected, ccd, 0);
3542
3543	if (tag > 0)
3544	ccd->tag = tag;
3545	} else if (yss->pager_host_list
3546	&& yss->pager_host_list[ccd->server_i]) {
3547
3548	/* Get back to the default port */
3549	yss->pager_port = pager_port;
3550	ccd->server_i++;
3551	LOG(("Fallback: Connecting to %s:%d", yss->pager_host_list[ccd->server_i], yss->pager_port));
3552
3553	ccd->i = 0;
3554	tag = YAHOO_CALLBACK(ext_yahoo_connect_async) (yd->client_id,
3555	yss->pager_host_list[ccd->server_i], yss->pager_port,
3556	yahoo_connected, ccd, 0);
3557	} else {
3558	FREE(ccd);
3559	YAHOO_CALLBACK(ext_yahoo_login_response) (yd->client_id,
3560	YAHOO_LOGIN_SOCK, NULL);
3561	}
3562	return;
3563	}
3564
3565	FREE(ccd);
3566
3567	/* fd == NULL && error == 0 means connect was cancelled */
3568	if (!fd)
3569	return;
3570
3571	pkt = yahoo_packet_new(YAHOO_SERVICE_AUTH, YPACKET_STATUS_DEFAULT,
3572	yd->session_id);
3573	NOTICE(("Sending initial packet"));
3574
3575	yahoo_packet_hash(pkt, 1, yd->user);
3576
3577	yid = find_input_by_id_and_type(yd->client_id, YAHOO_CONNECTION_PAGER);
3578	yid->fd = fd;
3579
3580	yahoo_send_packet(yid, pkt, 0);
3581
3582	yahoo_packet_free(pkt);
3583
3584	yid->read_tag =
3585	YAHOO_CALLBACK(ext_yahoo_add_handler) (yid->yd->client_id,
3586	yid->fd, YAHOO_INPUT_READ, yid);
3587	}
3588
3589	void *yahoo_get_fd(int id)
3590	{
3591	struct yahoo_input_data *yid =
3592	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3593	if (!yid)
3594	return 0;
3595	else
3596	return yid->fd;
3597	}
3598
3599	void yahoo_send_buzz(int id, const char from, const char who)
3600	{
3601	yahoo_send_im(id, from, who, "<ding>", 1, 0);
3602	}
3603
3604	void yahoo_send_im(int id, const char from, const char who, const char *what,
3605	int utf8, int picture)
3606	{
3607	struct yahoo_input_data *yid =
3608	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3609	struct yahoo_packet *pkt = NULL;
3610	struct yahoo_data *yd;
3611	char pic_str[10];
3612
3613	if (!yid)
3614	return;
3615
3616	yd = yid->yd;
3617
3618	pkt = yahoo_packet_new(YAHOO_SERVICE_MESSAGE, YAHOO_STATUS_OFFLINE,
3619	yd->session_id);
3620
3621	snprintf(pic_str, sizeof(pic_str), "%d", picture);
3622
3623	if (from && strcmp(from, yd->user))
3624	yahoo_packet_hash(pkt, 0, yd->user);
3625	yahoo_packet_hash(pkt, 1, from ? from : yd->user);
3626	yahoo_packet_hash(pkt, 5, who);
3627	yahoo_packet_hash(pkt, 14, what);
3628
3629	if (utf8)
3630	yahoo_packet_hash(pkt, 97, "1");
3631
3632	yahoo_packet_hash(pkt, 63, ";0"); /* imvironment name; or ;0 */
3633	yahoo_packet_hash(pkt, 64, "0");
3634	yahoo_packet_hash(pkt, 206, pic_str);
3635
3636	yahoo_send_packet(yid, pkt, 0);
3637
3638	yahoo_packet_free(pkt);
3639	}
3640
3641	void yahoo_send_typing(int id, const char from, const char who, int typ)
3642	{
3643	struct yahoo_input_data *yid =
3644	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3645	struct yahoo_data *yd;
3646	struct yahoo_packet *pkt = NULL;
3647	if (!yid)
3648	return;
3649
3650	yd = yid->yd;
3651	pkt = yahoo_packet_new(YAHOO_SERVICE_NOTIFY, YPACKET_STATUS_NOTIFY,
3652	yd->session_id);
3653
3654	yahoo_packet_hash(pkt, 5, who);
3655	yahoo_packet_hash(pkt, 1, from ? from : yd->user);
3656	yahoo_packet_hash(pkt, 14, " ");
3657	yahoo_packet_hash(pkt, 13, typ ? "1" : "0");
3658	yahoo_packet_hash(pkt, 49, "TYPING");
3659
3660	yahoo_send_packet(yid, pkt, 0);
3661
3662	yahoo_packet_free(pkt);
3663	}
3664
3665	void yahoo_set_away(int id, enum yahoo_status state, const char *msg, int away)
3666	{
3667	struct yahoo_input_data *yid =
3668	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3669	struct yahoo_data *yd;
3670	struct yahoo_packet *pkt = NULL;
3671	int old_status;
3672	char s[4];
3673
3674	if (!yid)
3675	return;
3676
3677	yd = yid->yd;
3678
3679	old_status = yd->current_status;
3680	yd->current_status = state;
3681
3682	/* Thank you libpurple :) */
3683	if (yd->current_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, "2");
3687	yahoo_send_packet(yid, pkt, 0);
3688	yahoo_packet_free(pkt);
3689
3690	return;
3691	}
3692
3693	pkt = yahoo_packet_new(YAHOO_SERVICE_Y6_STATUS_UPDATE,
3694	yd->current_status, yd->session_id);
3695	snprintf(s, sizeof(s), "%d", yd->current_status);
3696	yahoo_packet_hash(pkt, 10, s);
3697	yahoo_packet_hash(pkt, 19, msg && state == YAHOO_STATUS_CUSTOM ? msg : "");
3698	yahoo_packet_hash(pkt, 47, (away == 2)? "2": (away) ?"1":"0");
3699	yahoo_send_packet(yid, pkt, 0);
3700	yahoo_packet_free(pkt);
3701
3702	if (old_status == YAHOO_STATUS_INVISIBLE) {
3703	pkt = yahoo_packet_new(YAHOO_SERVICE_Y6_VISIBLE_TOGGLE,
3704	YAHOO_STATUS_AVAILABLE, 0);
3705	yahoo_packet_hash(pkt, 13, "1");
3706	yahoo_send_packet(yid, pkt, 0);
3707	yahoo_packet_free(pkt);
3708	}
3709	}
3710
3711	void yahoo_logoff(int id)
3712	{
3713	struct yahoo_input_data *yid =
3714	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3715	struct yahoo_data *yd;
3716	struct yahoo_packet *pkt = NULL;
3717
3718	if (!yid)
3719	return;
3720	yd = yid->yd;
3721
3722	LOG(("yahoo_logoff: current status: %d", yd->current_status));
3723
3724	if (yd->current_status != -1 && 0) {
3725	/* Meh. Don't send this. The event handlers are not going to
3726	get to do this so it'll just leak memory. And the TCP
3727	connection reset will hopefully be clear enough. */
3728	pkt = yahoo_packet_new(YAHOO_SERVICE_LOGOFF,
3729	YPACKET_STATUS_DEFAULT, yd->session_id);
3730	yd->current_status = -1;
3731
3732	if (pkt) {
3733	yahoo_send_packet(yid, pkt, 0);
3734	yahoo_packet_free(pkt);
3735	}
3736	}
3737
3738	/* do {
3739	yahoo_input_close(yid);
3740	} while((yid = find_input_by_id(id)));*/
3741
3742	}
3743
3744	void yahoo_get_list(int id)
3745	{
3746	struct yahoo_input_data *yid =
3747	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3748	struct yahoo_data *yd;
3749	struct yahoo_packet *pkt = NULL;
3750
3751	if (!yid)
3752	return;
3753	yd = yid->yd;
3754
3755	pkt = yahoo_packet_new(YAHOO_SERVICE_LIST, YPACKET_STATUS_DEFAULT,
3756	yd->session_id);
3757	yahoo_packet_hash(pkt, 1, yd->user);
3758	if (pkt) {
3759	yahoo_send_packet(yid, pkt, 0);
3760	yahoo_packet_free(pkt);
3761	}
3762	}
3763
3764	static void _yahoo_http_connected(int id, void fd, int error, void data)
3765	{
3766	struct yahoo_input_data *yid = data;
3767	if (fd == NULL \|\| error) {
3768	inputs = y_list_remove(inputs, yid);
3769	FREE(yid);
3770	return;
3771	}
3772
3773	yid->fd = fd;
3774	yid->read_tag =
3775	YAHOO_CALLBACK(ext_yahoo_add_handler) (yid->yd->client_id, fd,
3776	YAHOO_INPUT_READ, yid);
3777	}
3778
3779	/* FIXME Get address book from address.yahoo.com instead */
3780	void yahoo_get_yab(int id)
3781	{
3782	struct yahoo_data *yd = find_conn_by_id(id);
3783	struct yahoo_input_data *yid;
3784	char url[1024];
3785	char buff[2048];
3786
3787	if (!yd)
3788	return;
3789
3790	yid = y_new0(struct yahoo_input_data, 1);
3791	yid->yd = yd;
3792	yid->type = YAHOO_CONNECTION_YAB;
3793
3794	LOG(("Sending request for Address Book"));
3795
3796	snprintf(url, 1024,
3797	"http://address.yahoo.com/yab/us?v=XM&prog=ymsgr&.intl=us"
3798	"&diffs=1&t=0&tags=short&rt=0&prog-ver=8.1.0.249&useutf8=1&legenc=codepage-1252");
3799
3800	snprintf(buff, sizeof(buff), "Y=%s; T=%s", yd->cookie_y, yd->cookie_t);
3801
3802	inputs = y_list_prepend(inputs, yid);
3803
3804	yahoo_http_get(yid->yd->client_id, url, buff, 0, 0,
3805	_yahoo_http_connected, yid);
3806	}
3807
3808	struct yahoo_post_data {
3809	struct yahoo_input_data *yid;
3810	char *data;
3811	};
3812
3813	static void _yahoo_http_post_connected(int id, void fd, int error, void data)
3814	{
3815	struct yahoo_post_data *yad = data;
3816	struct yahoo_input_data *yid = yad->yid;
3817	char *buff = yad->data;
3818
3819	if (!fd) {
3820	inputs = y_list_remove(inputs, yid);
3821	FREE(yid);
3822	return;
3823	}
3824
3825	YAHOO_CALLBACK(ext_yahoo_write) (fd, buff, strlen(buff));
3826
3827	yid->fd = fd;
3828	yid->read_tag =
3829	YAHOO_CALLBACK(ext_yahoo_add_handler) (yid->yd->client_id, fd,
3830	YAHOO_INPUT_READ, yid);
3831
3832	FREE(buff);
3833	FREE(yad);
3834	}
3835
3836	/* FIXME This is also likely affected */
3837	void yahoo_set_yab(int id, struct yab *yab)
3838	{
3839	struct yahoo_post_data *yad = y_new0(struct yahoo_post_data, 1);
3840	struct yahoo_data *yd = find_conn_by_id(id);
3841	struct yahoo_input_data *yid;
3842	char url[1024];
3843	char buff[1024];
3844	char post[1024];
3845	int size = 0;
3846
3847	if (!yd)
3848	return;
3849
3850	yid = y_new0(struct yahoo_input_data, 1);
3851	yid->type = YAHOO_CONNECTION_YAB;
3852	yid->yd = yd;
3853
3854	if(yab->yid)
3855	size = snprintf(post, sizeof(post), "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
3856	"<ab k=\"%s\" cc=\"%d\">"
3857	"<ct id=\"%d\" e=\"1\" yi=\"%s\" nn=\"%s\" />"
3858	"</ab>", yd->user, 9, yab->yid, /* Don't know why */
3859	yab->id, yab->nname?yab->nname:"");
3860	else
3861	size = snprintf(post, sizeof(post), "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
3862	"<ab k=\"%s\" cc=\"%d\">"
3863	"<ct a=\"1\" yi=\"%s\" nn=\"%s\" />"
3864	"</ab>", yd->user, 1, /* Don't know why */
3865	yab->id, yab->nname?yab->nname:"");
3866
3867	yad->yid = yid;
3868	yad->data = strdup(post);
3869
3870	strcpy(url, "http://address.yahoo.com/yab/us?v=XM&prog=ymsgr&.intl=us"
3871	"&sync=1&tags=short&noclear=1&useutf8=1&legenc=codepage-1252");
3872
3873	snprintf(buff, sizeof(buff), "Y=%s; T=%s", yd->cookie_y, yd->cookie_t);
3874
3875	inputs = y_list_prepend(inputs, yid);
3876
3877	yahoo_http_post(yid->yd->client_id, url, buff, size,
3878	_yahoo_http_post_connected, yad);
3879	}
3880
3881	void yahoo_set_identity_status(int id, const char *identity, int active)
3882	{
3883	struct yahoo_input_data *yid =
3884	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3885	struct yahoo_data *yd;
3886	struct yahoo_packet *pkt = NULL;
3887
3888	if (!yid)
3889	return;
3890	yd = yid->yd;
3891
3892	pkt = yahoo_packet_new(active ? YAHOO_SERVICE_IDACT :
3893	YAHOO_SERVICE_IDDEACT, YPACKET_STATUS_DEFAULT, yd->session_id);
3894	yahoo_packet_hash(pkt, 3, identity);
3895	if (pkt) {
3896	yahoo_send_packet(yid, pkt, 0);
3897	yahoo_packet_free(pkt);
3898	}
3899	}
3900
3901	void yahoo_refresh(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
3908	if (!yid)
3909	return;
3910	yd = yid->yd;
3911
3912	pkt = yahoo_packet_new(YAHOO_SERVICE_USERSTAT, YPACKET_STATUS_DEFAULT,
3913	yd->session_id);
3914	if (pkt) {
3915	yahoo_send_packet(yid, pkt, 0);
3916	yahoo_packet_free(pkt);
3917	}
3918	}
3919
3920	void yahoo_keepalive(int id)
3921	{
3922	struct yahoo_input_data *yid =
3923	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3924	struct yahoo_data *yd;
3925	struct yahoo_packet *pkt = NULL;
3926	if (!yid)
3927	return;
3928	yd = yid->yd;
3929
3930	pkt = yahoo_packet_new(YAHOO_SERVICE_PING, YPACKET_STATUS_DEFAULT,
3931	yd->session_id);
3932	yahoo_send_packet(yid, pkt, 0);
3933	yahoo_packet_free(pkt);
3934	}
3935
3936	void yahoo_chat_keepalive(int id)
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 = NULL;
3942
3943	if (!yid)
3944	return;
3945
3946	yd = yid->yd;
3947
3948	pkt = yahoo_packet_new(YAHOO_SERVICE_CHATPING, YPACKET_STATUS_DEFAULT,
3949	yd->session_id);
3950	yahoo_send_packet(yid, pkt, 0);
3951	yahoo_packet_free(pkt);
3952	}
3953
3954	void yahoo_add_buddy(int id, const char who, const char group,
3955	const char *msg)
3956	{
3957	struct yahoo_input_data *yid =
3958	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3959	struct yahoo_data *yd;
3960	struct yahoo_packet *pkt;
3961
3962	if (!yid)
3963	return;
3964	yd = yid->yd;
3965
3966	if (!yd->logged_in)
3967	return;
3968
3969	pkt = yahoo_packet_new(YAHOO_SERVICE_ADDBUDDY, YPACKET_STATUS_DEFAULT,
3970	yd->session_id);
3971	if (msg != NULL) /* add message/request "it's me add me" */
3972	yahoo_packet_hash(pkt, 14, msg);
3973	else
3974	yahoo_packet_hash(pkt, 14, "");
3975	yahoo_packet_hash(pkt, 65, group);
3976	yahoo_packet_hash(pkt, 97, "1");
3977	yahoo_packet_hash(pkt, 1, yd->user);
3978	yahoo_packet_hash(pkt, 302, "319");
3979	yahoo_packet_hash(pkt, 300, "319");
3980	yahoo_packet_hash(pkt, 7, who);
3981	yahoo_packet_hash(pkt, 334, "0");
3982	yahoo_packet_hash(pkt, 301, "319");
3983	yahoo_packet_hash(pkt, 303, "319");
3984	yahoo_send_packet(yid, pkt, 0);
3985	yahoo_packet_free(pkt);
3986	}
3987
3988	void yahoo_remove_buddy(int id, const char who, const char group)
3989	{
3990	struct yahoo_input_data *yid =
3991	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
3992	struct yahoo_data *yd;
3993	struct yahoo_packet *pkt = NULL;
3994
3995	if (!yid)
3996	return;
3997	yd = yid->yd;
3998
3999	pkt = yahoo_packet_new(YAHOO_SERVICE_REMBUDDY, YPACKET_STATUS_DEFAULT,
4000	yd->session_id);
4001
4002	yahoo_packet_hash(pkt, 1, yd->user);
4003	yahoo_packet_hash(pkt, 7, who);
4004	yahoo_packet_hash(pkt, 65, group);
4005	yahoo_send_packet(yid, pkt, 0);
4006	yahoo_packet_free(pkt);
4007	}
4008
4009	void yahoo_confirm_buddy(int id, const char who, int reject, const char msg)
4010	{
4011	struct yahoo_input_data *yid =
4012	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4013	struct yahoo_data *yd;
4014	struct yahoo_packet *pkt;
4015
4016	if (!yid)
4017	return;
4018	yd = yid->yd;
4019
4020	if (!yd->logged_in)
4021	return;
4022
4023	pkt = yahoo_packet_new(YAHOO_SERVICE_Y7_AUTHORIZATION,
4024	YPACKET_STATUS_DEFAULT, yd->session_id);
4025	yahoo_packet_hash(pkt, 1, yd->user);
4026	yahoo_packet_hash(pkt, 5, who);
4027	if (reject)
4028	yahoo_packet_hash(pkt, 13, "2");
4029	else {
4030	yahoo_packet_hash(pkt, 241, "0");
4031	yahoo_packet_hash(pkt, 13, "1");
4032	}
4033
4034	yahoo_packet_hash(pkt, 334, "0");
4035
4036	if (reject) {
4037	yahoo_packet_hash(pkt, 14, msg ? msg : "");
4038	yahoo_packet_hash(pkt, 97, "1");
4039	}
4040
4041	yahoo_send_packet(yid, pkt, 0);
4042	yahoo_packet_free(pkt);
4043	}
4044
4045	void yahoo_ignore_buddy(int id, const char *who, int unignore)
4046	{
4047	struct yahoo_input_data *yid =
4048	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4049	struct yahoo_data *yd;
4050	struct yahoo_packet *pkt;
4051
4052	if (!yid)
4053	return;
4054	yd = yid->yd;
4055
4056	if (!yd->logged_in)
4057	return;
4058
4059	pkt = yahoo_packet_new(YAHOO_SERVICE_IGNORECONTACT,
4060	YPACKET_STATUS_DEFAULT, yd->session_id);
4061	yahoo_packet_hash(pkt, 1, yd->user);
4062	yahoo_packet_hash(pkt, 7, who);
4063	yahoo_packet_hash(pkt, 13, unignore ? "2" : "1");
4064	yahoo_send_packet(yid, pkt, 0);
4065	yahoo_packet_free(pkt);
4066	}
4067
4068	void yahoo_stealth_buddy(int id, const char *who, int unstealth)
4069	{
4070	struct yahoo_input_data *yid =
4071	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4072	struct yahoo_data *yd;
4073	struct yahoo_packet *pkt;
4074
4075	if (!yid)
4076	return;
4077	yd = yid->yd;
4078
4079	if (!yd->logged_in)
4080	return;
4081
4082	pkt = yahoo_packet_new(YAHOO_SERVICE_STEALTH_PERM,
4083	YPACKET_STATUS_DEFAULT, yd->session_id);
4084	yahoo_packet_hash(pkt, 1, yd->user);
4085	yahoo_packet_hash(pkt, 7, who);
4086	yahoo_packet_hash(pkt, 31, unstealth ? "2" : "1");
4087	yahoo_packet_hash(pkt, 13, "2");
4088	yahoo_send_packet(yid, pkt, 0);
4089	yahoo_packet_free(pkt);
4090	}
4091
4092	void yahoo_change_buddy_group(int id, const char who, const char old_group,
4093	const char *new_group)
4094	{
4095	struct yahoo_input_data *yid =
4096	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4097	struct yahoo_data *yd;
4098	struct yahoo_packet *pkt = NULL;
4099
4100	if (!yid)
4101	return;
4102	yd = yid->yd;
4103
4104	pkt = yahoo_packet_new(YAHOO_SERVICE_Y7_CHANGE_GROUP,
4105	YPACKET_STATUS_DEFAULT, yd->session_id);
4106	yahoo_packet_hash(pkt, 1, yd->user);
4107	yahoo_packet_hash(pkt, 302, "240");
4108	yahoo_packet_hash(pkt, 300, "240");
4109	yahoo_packet_hash(pkt, 7, who);
4110	yahoo_packet_hash(pkt, 224, old_group);
4111	yahoo_packet_hash(pkt, 264, new_group);
4112	yahoo_packet_hash(pkt, 301, "240");
4113	yahoo_packet_hash(pkt, 303, "240");
4114
4115	yahoo_send_packet(yid, pkt, 0);
4116	yahoo_packet_free(pkt);
4117	}
4118
4119	void yahoo_group_rename(int id, const char old_group, const char new_group)
4120	{
4121	struct yahoo_input_data *yid =
4122	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4123	struct yahoo_data *yd;
4124	struct yahoo_packet *pkt = NULL;
4125
4126	if (!yid)
4127	return;
4128	yd = yid->yd;
4129
4130	pkt = yahoo_packet_new(YAHOO_SERVICE_GROUPRENAME,
4131	YPACKET_STATUS_DEFAULT, yd->session_id);
4132	yahoo_packet_hash(pkt, 1, yd->user);
4133	yahoo_packet_hash(pkt, 65, old_group);
4134	yahoo_packet_hash(pkt, 67, new_group);
4135
4136	yahoo_send_packet(yid, pkt, 0);
4137	yahoo_packet_free(pkt);
4138	}
4139
4140	void yahoo_conference_addinvite(int id, const char from, const char who,
4141	const char room, const YList members, const char *msg)
4142	{
4143	struct yahoo_input_data *yid =
4144	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4145	struct yahoo_data *yd;
4146	struct yahoo_packet *pkt;
4147
4148	if (!yid)
4149	return;
4150	yd = yid->yd;
4151
4152	pkt = yahoo_packet_new(YAHOO_SERVICE_CONFADDINVITE,
4153	YPACKET_STATUS_DEFAULT, yd->session_id);
4154
4155	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4156	yahoo_packet_hash(pkt, 51, who);
4157	yahoo_packet_hash(pkt, 57, room);
4158	yahoo_packet_hash(pkt, 58, msg);
4159	yahoo_packet_hash(pkt, 13, "0");
4160	for (; members; members = members->next) {
4161	yahoo_packet_hash(pkt, 52, (char *)members->data);
4162	yahoo_packet_hash(pkt, 53, (char *)members->data);
4163	}
4164	/* 52, 53 -> other members? */
4165
4166	yahoo_send_packet(yid, pkt, 0);
4167
4168	yahoo_packet_free(pkt);
4169	}
4170
4171	void yahoo_conference_invite(int id, const char from, YList who,
4172	const char room, const char msg)
4173	{
4174	struct yahoo_input_data *yid =
4175	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4176	struct yahoo_data *yd;
4177	struct yahoo_packet *pkt;
4178
4179	if (!yid)
4180	return;
4181	yd = yid->yd;
4182
4183	pkt = yahoo_packet_new(YAHOO_SERVICE_CONFINVITE, YPACKET_STATUS_DEFAULT,
4184	yd->session_id);
4185
4186	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4187	yahoo_packet_hash(pkt, 50, yd->user);
4188	for (; who; who = who->next) {
4189	yahoo_packet_hash(pkt, 52, (char *)who->data);
4190	}
4191	yahoo_packet_hash(pkt, 57, room);
4192	yahoo_packet_hash(pkt, 58, msg);
4193	yahoo_packet_hash(pkt, 13, "0");
4194
4195	yahoo_send_packet(yid, pkt, 0);
4196
4197	yahoo_packet_free(pkt);
4198	}
4199
4200	void yahoo_conference_logon(int id, const char from, YList who,
4201	const char *room)
4202	{
4203	struct yahoo_input_data *yid =
4204	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4205	struct yahoo_data *yd;
4206	struct yahoo_packet *pkt;
4207
4208	if (!yid)
4209	return;
4210	yd = yid->yd;
4211
4212	pkt = yahoo_packet_new(YAHOO_SERVICE_CONFLOGON, YPACKET_STATUS_DEFAULT,
4213	yd->session_id);
4214
4215	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4216	yahoo_packet_hash(pkt, 3, (from ? from : yd->user));
4217	yahoo_packet_hash(pkt, 57, room);
4218	for (; who; who = who->next)
4219	yahoo_packet_hash(pkt, 3, (char *)who->data);
4220
4221	yahoo_send_packet(yid, pkt, 0);
4222
4223	yahoo_packet_free(pkt);
4224	}
4225
4226	void yahoo_conference_decline(int id, const char from, YList who,
4227	const char room, const char msg)
4228	{
4229	struct yahoo_input_data *yid =
4230	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4231	struct yahoo_data *yd;
4232	struct yahoo_packet *pkt;
4233
4234	if (!yid)
4235	return;
4236	yd = yid->yd;
4237
4238	pkt = yahoo_packet_new(YAHOO_SERVICE_CONFDECLINE,
4239	YPACKET_STATUS_DEFAULT, yd->session_id);
4240
4241	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4242	yahoo_packet_hash(pkt, 3, (from ? from : yd->user));
4243	for (; who; who = who->next)
4244	yahoo_packet_hash(pkt, 3, (char *)who->data);
4245	yahoo_packet_hash(pkt, 57, room);
4246	yahoo_packet_hash(pkt, 14, msg);
4247
4248	yahoo_send_packet(yid, pkt, 0);
4249
4250	yahoo_packet_free(pkt);
4251	}
4252
4253	void yahoo_conference_logoff(int id, const char from, YList who,
4254	const char *room)
4255	{
4256	struct yahoo_input_data *yid =
4257	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4258	struct yahoo_data *yd;
4259	struct yahoo_packet *pkt;
4260
4261	if (!yid)
4262	return;
4263	yd = yid->yd;
4264
4265	pkt = yahoo_packet_new(YAHOO_SERVICE_CONFLOGOFF, YPACKET_STATUS_DEFAULT,
4266	yd->session_id);
4267
4268	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4269	yahoo_packet_hash(pkt, 3, (from ? from : yd->user));
4270	for (; who; who = who->next)
4271	yahoo_packet_hash(pkt, 3, (char *)who->data);
4272
4273	yahoo_packet_hash(pkt, 57, room);
4274
4275	yahoo_send_packet(yid, pkt, 0);
4276
4277	yahoo_packet_free(pkt);
4278	}
4279
4280	void yahoo_conference_message(int id, const char from, YList who,
4281	const char room, const char msg, int utf8)
4282	{
4283	struct yahoo_input_data *yid =
4284	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4285	struct yahoo_data *yd;
4286	struct yahoo_packet *pkt;
4287
4288	if (!yid)
4289	return;
4290	yd = yid->yd;
4291
4292	pkt = yahoo_packet_new(YAHOO_SERVICE_CONFMSG, YPACKET_STATUS_DEFAULT,
4293	yd->session_id);
4294
4295	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4296	yahoo_packet_hash(pkt, 53, (from ? from : yd->user));
4297	for (; who; who = who->next)
4298	yahoo_packet_hash(pkt, 53, (char *)who->data);
4299
4300	yahoo_packet_hash(pkt, 57, room);
4301	yahoo_packet_hash(pkt, 14, msg);
4302
4303	if (utf8)
4304	yahoo_packet_hash(pkt, 97, "1");
4305
4306	yahoo_send_packet(yid, pkt, 0);
4307
4308	yahoo_packet_free(pkt);
4309	}
4310
4311	void yahoo_get_chatrooms(int id, int chatroomid)
4312	{
4313	struct yahoo_data *yd = find_conn_by_id(id);
4314	struct yahoo_input_data *yid;
4315	char url[1024];
4316	char buff[1024];
4317
4318	if (!yd)
4319	return;
4320
4321	yid = y_new0(struct yahoo_input_data, 1);
4322	yid->yd = yd;
4323	yid->type = YAHOO_CONNECTION_CHATCAT;
4324
4325	if (chatroomid == 0) {
4326	snprintf(url, 1024,
4327	"http://insider.msg.yahoo.com/ycontent/?chatcat=0");
4328	} else {
4329	snprintf(url, 1024,
4330	"http://insider.msg.yahoo.com/ycontent/?chatroom_%d=0",
4331	chatroomid);
4332	}
4333
4334	snprintf(buff, sizeof(buff), "Y=%s; T=%s", yd->cookie_y, yd->cookie_t);
4335
4336	inputs = y_list_prepend(inputs, yid);
4337
4338	yahoo_http_get(yid->yd->client_id, url, buff, 0, 0,
4339	_yahoo_http_connected, yid);
4340	}
4341
4342	void yahoo_chat_logon(int id, const char from, const char room,
4343	const char *roomid)
4344	{
4345	struct yahoo_input_data *yid =
4346	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4347	struct yahoo_data *yd;
4348	struct yahoo_packet *pkt;
4349
4350	if (!yid)
4351	return;
4352
4353	yd = yid->yd;
4354
4355	pkt = yahoo_packet_new(YAHOO_SERVICE_CHATONLINE, YPACKET_STATUS_DEFAULT,
4356	yd->session_id);
4357
4358	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4359	yahoo_packet_hash(pkt, 109, yd->user);
4360	yahoo_packet_hash(pkt, 6, "abcde");
4361
4362	yahoo_send_packet(yid, pkt, 0);
4363
4364	yahoo_packet_free(pkt);
4365
4366	pkt = yahoo_packet_new(YAHOO_SERVICE_CHATJOIN, YPACKET_STATUS_DEFAULT,
4367	yd->session_id);
4368
4369	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4370	yahoo_packet_hash(pkt, 104, room);
4371	yahoo_packet_hash(pkt, 129, roomid);
4372	yahoo_packet_hash(pkt, 62, "2"); /* ??? */
4373
4374	yahoo_send_packet(yid, pkt, 0);
4375
4376	yahoo_packet_free(pkt);
4377	}
4378
4379	void yahoo_chat_message(int id, const char from, const char room,
4380	const char *msg, const int msgtype, const int utf8)
4381	{
4382	struct yahoo_input_data *yid =
4383	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4384	struct yahoo_data *yd;
4385	struct yahoo_packet *pkt;
4386	char buf[2];
4387
4388	if (!yid)
4389	return;
4390
4391	yd = yid->yd;
4392
4393	pkt = yahoo_packet_new(YAHOO_SERVICE_COMMENT, YPACKET_STATUS_DEFAULT,
4394	yd->session_id);
4395
4396	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4397	yahoo_packet_hash(pkt, 104, room);
4398	yahoo_packet_hash(pkt, 117, msg);
4399
4400	snprintf(buf, sizeof(buf), "%d", msgtype);
4401	yahoo_packet_hash(pkt, 124, buf);
4402
4403	if (utf8)
4404	yahoo_packet_hash(pkt, 97, "1");
4405
4406	yahoo_send_packet(yid, pkt, 0);
4407
4408	yahoo_packet_free(pkt);
4409	}
4410
4411	void yahoo_chat_logoff(int id, const char *from)
4412	{
4413	struct yahoo_input_data *yid =
4414	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4415	struct yahoo_data *yd;
4416	struct yahoo_packet *pkt;
4417
4418	if (!yid)
4419	return;
4420
4421	yd = yid->yd;
4422
4423	pkt = yahoo_packet_new(YAHOO_SERVICE_CHATLOGOUT, YPACKET_STATUS_DEFAULT,
4424	yd->session_id);
4425
4426	yahoo_packet_hash(pkt, 1, (from ? from : yd->user));
4427
4428	yahoo_send_packet(yid, pkt, 0);
4429
4430	yahoo_packet_free(pkt);
4431	}
4432
4433	void yahoo_buddyicon_request(int id, const char *who)
4434	{
4435	struct yahoo_input_data *yid =
4436	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4437	struct yahoo_data *yd;
4438	struct yahoo_packet *pkt;
4439
4440	if (!yid)
4441	return;
4442
4443	yd = yid->yd;
4444
4445	pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE, YPACKET_STATUS_DEFAULT,
4446	0);
4447	yahoo_packet_hash(pkt, 4, yd->user);
4448	yahoo_packet_hash(pkt, 5, who);
4449	yahoo_packet_hash(pkt, 13, "1");
4450	yahoo_send_packet(yid, pkt, 0);
4451
4452	yahoo_packet_free(pkt);
4453	}
4454
4455	void yahoo_send_picture_info(int id, const char who, const char url,
4456	int checksum)
4457	{
4458	struct yahoo_input_data *yid =
4459	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4460	struct yahoo_data *yd;
4461	struct yahoo_packet *pkt;
4462	char checksum_str[10];
4463
4464	if (!yid)
4465	return;
4466
4467	yd = yid->yd;
4468
4469	snprintf(checksum_str, sizeof(checksum_str), "%d", checksum);
4470
4471	pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE, YPACKET_STATUS_DEFAULT,
4472	0);
4473	yahoo_packet_hash(pkt, 1, yd->user);
4474	yahoo_packet_hash(pkt, 4, yd->user);
4475	yahoo_packet_hash(pkt, 5, who);
4476	yahoo_packet_hash(pkt, 13, "2");
4477	yahoo_packet_hash(pkt, 20, url);
4478	yahoo_packet_hash(pkt, 192, checksum_str);
4479	yahoo_send_packet(yid, pkt, 0);
4480
4481	yahoo_packet_free(pkt);
4482	}
4483
4484	void yahoo_send_picture_update(int id, const char *who, int type)
4485	{
4486	struct yahoo_input_data *yid =
4487	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4488	struct yahoo_data *yd;
4489	struct yahoo_packet *pkt;
4490	char type_str[10];
4491
4492	if (!yid)
4493	return;
4494
4495	yd = yid->yd;
4496
4497	snprintf(type_str, sizeof(type_str), "%d", type);
4498
4499	pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE_UPDATE,
4500	YPACKET_STATUS_DEFAULT, 0);
4501	yahoo_packet_hash(pkt, 1, yd->user);
4502	yahoo_packet_hash(pkt, 5, who);
4503	yahoo_packet_hash(pkt, 206, type_str);
4504	yahoo_send_packet(yid, pkt, 0);
4505
4506	yahoo_packet_free(pkt);
4507	}
4508
4509	void yahoo_send_picture_checksum(int id, const char *who, int checksum)
4510	{
4511	struct yahoo_input_data *yid =
4512	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4513	struct yahoo_data *yd;
4514	struct yahoo_packet *pkt;
4515	char checksum_str[10];
4516
4517	if (!yid)
4518	return;
4519
4520	yd = yid->yd;
4521
4522	snprintf(checksum_str, sizeof(checksum_str), "%d", checksum);
4523
4524	pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE_CHECKSUM,
4525	YPACKET_STATUS_DEFAULT, 0);
4526	yahoo_packet_hash(pkt, 1, yd->user);
4527	if (who != 0)
4528	yahoo_packet_hash(pkt, 5, who);
4529	yahoo_packet_hash(pkt, 192, checksum_str);
4530	yahoo_packet_hash(pkt, 212, "1");
4531	yahoo_send_packet(yid, pkt, 0);
4532
4533	yahoo_packet_free(pkt);
4534	}
4535
4536	void yahoo_webcam_close_feed(int id, const char *who)
4537	{
4538	struct yahoo_input_data *yid =
4539	find_input_by_id_and_webcam_user(id, who);
4540
4541	if (yid)
4542	yahoo_input_close(yid);
4543	}
4544
4545	void yahoo_webcam_get_feed(int id, const char *who)
4546	{
4547	struct yahoo_input_data *yid =
4548	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4549	struct yahoo_data *yd;
4550	struct yahoo_packet *pkt;
4551
4552	if (!yid)
4553	return;
4554
4555	/*
4556	* add the user to the queue. this is a dirty hack, since
4557	* the yahoo server doesn't tell us who's key it's returning,
4558	* we have to just hope that it sends back keys in the same
4559	* order that we request them.
4560	* The queue is popped in yahoo_process_webcam_key
4561	*/
4562	webcam_queue = y_list_append(webcam_queue, who ? strdup(who) : NULL);
4563
4564	yd = yid->yd;
4565
4566	pkt = yahoo_packet_new(YAHOO_SERVICE_WEBCAM, YPACKET_STATUS_DEFAULT,
4567	yd->session_id);
4568
4569	yahoo_packet_hash(pkt, 1, yd->user);
4570	if (who != NULL)
4571	yahoo_packet_hash(pkt, 5, who);
4572	yahoo_send_packet(yid, pkt, 0);
4573
4574	yahoo_packet_free(pkt);
4575	}
4576
4577	void yahoo_webcam_send_image(int id, unsigned char *image, unsigned int length,
4578	unsigned int timestamp)
4579	{
4580	struct yahoo_input_data *yid =
4581	find_input_by_id_and_type(id, YAHOO_CONNECTION_WEBCAM);
4582	unsigned char *packet;
4583	unsigned char header_len = 13;
4584	unsigned int pos = 0;
4585
4586	if (!yid)
4587	return;
4588
4589	packet = y_new0(unsigned char, header_len);
4590
4591	packet[pos++] = header_len;
4592	packet[pos++] = 0;
4593	packet[pos++] = 5; /* version byte?? */
4594	packet[pos++] = 0;
4595	pos += yahoo_put32(packet + pos, length);
4596	packet[pos++] = 2; /* packet type, image */
4597	pos += yahoo_put32(packet + pos, timestamp);
4598	yahoo_add_to_send_queue(yid, packet, header_len);
4599	FREE(packet);
4600
4601	if (length)
4602	yahoo_add_to_send_queue(yid, image, length);
4603	}
4604
4605	void yahoo_webcam_accept_viewer(int id, const char *who, int accept)
4606	{
4607	struct yahoo_input_data *yid =
4608	find_input_by_id_and_type(id, YAHOO_CONNECTION_WEBCAM);
4609	char *packet = NULL;
4610	char *data = NULL;
4611	unsigned char header_len = 13;
4612	unsigned int pos = 0;
4613	unsigned int len = 0;
4614
4615	if (!yid)
4616	return;
4617
4618	data = strdup("u=");
4619	data = y_string_append(data, (char *)who);
4620	data = y_string_append(data, "\r\n");
4621	len = strlen(data);
4622
4623	packet = y_new0(char, header_len + len);
4624	packet[pos++] = header_len;
4625	packet[pos++] = 0;
4626	packet[pos++] = 5; /* version byte?? */
4627	packet[pos++] = 0;
4628	pos += yahoo_put32(packet + pos, len);
4629	packet[pos++] = 0; /* packet type */
4630	pos += yahoo_put32(packet + pos, accept);
4631	memcpy(packet + pos, data, len);
4632	FREE(data);
4633	yahoo_add_to_send_queue(yid, packet, header_len + len);
4634	FREE(packet);
4635	}
4636
4637	void yahoo_webcam_invite(int id, const char *who)
4638	{
4639	struct yahoo_input_data *yid =
4640	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4641	struct yahoo_packet *pkt;
4642
4643	if (!yid)
4644	return;
4645
4646	pkt = yahoo_packet_new(YAHOO_SERVICE_NOTIFY, YPACKET_STATUS_NOTIFY,
4647	yid->yd->session_id);
4648
4649	yahoo_packet_hash(pkt, 49, "WEBCAMINVITE");
4650	yahoo_packet_hash(pkt, 14, " ");
4651	yahoo_packet_hash(pkt, 13, "0");
4652	yahoo_packet_hash(pkt, 1, yid->yd->user);
4653	yahoo_packet_hash(pkt, 5, who);
4654	yahoo_send_packet(yid, pkt, 0);
4655
4656	yahoo_packet_free(pkt);
4657	}
4658
4659	static void yahoo_search_internal(int id, int t, const char *text, int g,
4660	int ar, int photo, int yahoo_only, int startpos, int total)
4661	{
4662	struct yahoo_data *yd = find_conn_by_id(id);
4663	struct yahoo_input_data *yid;
4664	char url[1024];
4665	char buff[1024];
4666	char ctext, p;
4667
4668	if (!yd)
4669	return;
4670
4671	yid = y_new0(struct yahoo_input_data, 1);
4672	yid->yd = yd;
4673	yid->type = YAHOO_CONNECTION_SEARCH;
4674
4675	/*
4676	age range
4677	.ar=1 - 13-18, 2 - 18-25, 3 - 25-35, 4 - 35-50, 5 - 50-70, 6 - 70+
4678	*/
4679
4680	snprintf(buff, sizeof(buff), "&.sq=%%20&.tt=%d&.ss=%d", total,
4681	startpos);
4682
4683	ctext = strdup(text);
4684	while ((p = strchr(ctext, ' ')))
4685	*p = '+';
4686
4687	snprintf(url, 1024,
4688	"http://members.yahoo.com/interests?.oc=m&.kw=%s&.sb=%d&.g=%d&.ar=0%s%s%s",
4689	ctext, t, g, photo ? "&.p=y" : "", yahoo_only ? "&.pg=y" : "",
4690	startpos ? buff : "");
4691
4692	FREE(ctext);
4693
4694	snprintf(buff, sizeof(buff), "Y=%s; T=%s", yd->cookie_y, yd->cookie_t);
4695
4696	inputs = y_list_prepend(inputs, yid);
4697	yahoo_http_get(yid->yd->client_id, url, buff, 0, 0,
4698	_yahoo_http_connected, yid);
4699	}
4700
4701	void yahoo_search(int id, enum yahoo_search_type t, const char *text,
4702	enum yahoo_search_gender g, enum yahoo_search_agerange ar, int photo,
4703	int yahoo_only)
4704	{
4705	struct yahoo_input_data *yid =
4706	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4707	struct yahoo_search_state *yss;
4708
4709	if (!yid)
4710	return;
4711
4712	if (!yid->ys)
4713	yid->ys = y_new0(struct yahoo_search_state, 1);
4714
4715	yss = yid->ys;
4716
4717	FREE(yss->lsearch_text);
4718	yss->lsearch_type = t;
4719	yss->lsearch_text = strdup(text);
4720	yss->lsearch_gender = g;
4721	yss->lsearch_agerange = ar;
4722	yss->lsearch_photo = photo;
4723	yss->lsearch_yahoo_only = yahoo_only;
4724
4725	yahoo_search_internal(id, t, text, g, ar, photo, yahoo_only, 0, 0);
4726	}
4727
4728	void yahoo_search_again(int id, int start)
4729	{
4730	struct yahoo_input_data *yid =
4731	find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
4732	struct yahoo_search_state *yss;
4733
4734	if (!yid \|\| !yid->ys)
4735	return;
4736
4737	yss = yid->ys;
4738
4739	if (start == -1)
4740	start = yss->lsearch_nstart + yss->lsearch_nfound;
4741
4742	yahoo_search_internal(id, yss->lsearch_type, yss->lsearch_text,
4743	yss->lsearch_gender, yss->lsearch_agerange,
4744	yss->lsearch_photo, yss->lsearch_yahoo_only,
4745	start, yss->lsearch_ntotal);
4746	}
4747
4748	void yahoo_send_picture(int id, const char *name, unsigned long size,
4749	yahoo_get_fd_callback callback, void *data)
4750	{
4751	/* Not Implemented */
4752	}
4753
4754	/* File Transfer */
4755	static YList *active_file_transfers = NULL;
4756
4757	enum {
4758	FT_STATE_HEAD = 1,
4759	FT_STATE_RECV,
4760	FT_STATE_RECV_START,
4761	FT_STATE_SEND
4762	};
4763
4764	struct send_file_data {
4765	int client_id;
4766	char *id;
4767	char *who;
4768	char *filename;
4769	char *ip_addr;
4770	char *token;
4771	int size;
4772
4773	struct yahoo_input_data *yid;
4774	int state;
4775
4776	yahoo_get_fd_callback callback;
4777	void *data;
4778	};
4779
4780	static char *yahoo_get_random(void)
4781	{
4782	int i = 0;
4783	int r = 0;
4784	int c = 0;
4785	char out[25];
4786
4787	out[24] = '\0';
4788	out[23] = '$';
4789	out[22] = '$';
4790
4791	for (i = 0; i < 22; i++) {
4792	if(r == 0)
4793	r = rand();
4794
4795	c = r%61;
4796
4797	if(c<26)
4798	out[i] = c + 'a';
4799	else if (c<52)
4800	out[i] = c - 26 + 'A';
4801	else
4802	out[i] = c - 52 + '0';
4803
4804	r /= 61;
4805	}
4806
4807	return strdup(out);
4808	}
4809
4810	static int _are_same_id(const void sfd1, const void id)
4811	{
4812	return strcmp(((struct send_file_data )sfd1)->id, (char )id);
4813	}
4814
4815	static int _are_same_yid(const void sfd1, const void yid)
4816	{
4817	if(((struct send_file_data *)sfd1)->yid == yid)
4818	return 0;
4819	else
4820	return 1;
4821	}
4822
4823	static struct send_file_data yahoo_get_active_transfer(char id)
4824	{
4825	YList *l = y_list_find_custom(active_file_transfers, id,
4826	_are_same_id);
4827
4828	if(l)
4829	return (struct send_file_data *)l->data;
4830
4831	return NULL;
4832	}
4833
4834	static struct send_file_data yahoo_get_active_transfer_with_yid(void yid)
4835	{
4836	YList *l = y_list_find_custom(active_file_transfers, yid,
4837	_are_same_yid);
4838
4839	if(l)
4840	return (struct send_file_data *)l->data;
4841
4842	return NULL;
4843	}
4844
4845	static void yahoo_add_active_transfer(struct send_file_data *sfd)
4846	{
4847	active_file_transfers = y_list_prepend(active_file_transfers, sfd);
4848	}
4849
4850	static void yahoo_remove_active_transfer(struct send_file_data *sfd)
4851	{
4852	if (sfd == NULL)
4853	return;
4854
4855	active_file_transfers = y_list_remove(active_file_transfers, sfd);
4856	free(sfd->id);
4857	free(sfd->who);
4858	free(sfd->filename);
4859	free(sfd->ip_addr);
4860	FREE(sfd);
4861	}
4862
4863	static void _yahoo_ft_upload_connected(int id, void fd, int error, void data)
4864	{
4865	struct send_file_data *sfd = data;
4866	struct yahoo_input_data *yid = sfd->yid;
4867
4868	if (!fd) {
4869	inputs = y_list_remove(inputs, yid);
4870	FREE(yid);
4871	return;
4872	}
4873
4874	sfd->callback(id, fd, error, sfd->data);
4875
4876	yid->fd = fd;
4877	yid->read_tag =
4878	YAHOO_CALLBACK(ext_yahoo_add_handler) (yid->yd->client_id, fd,
4879	YAHOO_INPUT_READ, yid);
4880	}
4881
4882	static void yahoo_file_transfer_upload(struct yahoo_data *yd,
4883	struct send_file_data *sfd)
4884	{
4885	char url[256];
4886	char buff[4096];
4887	char sender_enc = NULL, recv_enc = NULL, *token_enc = NULL;
4888
4889	struct yahoo_input_data *yid = y_new0(struct yahoo_input_data, 1);
4890
4891	yid->yd = yd;
4892	yid->type = YAHOO_CONNECTION_FT;
4893
4894	inputs = y_list_prepend(inputs, yid);
4895	sfd->yid = yid;
4896	sfd->state = FT_STATE_SEND;
4897
4898	token_enc = yahoo_urlencode(sfd->token);
4899	sender_enc = yahoo_urlencode(yd->user);
4900	recv_enc = yahoo_urlencode(sfd->who);
4901
4902	snprintf(url, sizeof(url),
4903	"http://%s/relay?token=%s&sender=%s&recver=%s", sfd->ip_addr,
4904	token_enc, sender_enc, recv_enc);
4905
4906	snprintf(buff, sizeof(buff), "T=%s; Y=%s", yd->cookie_t, yd->cookie_y);
4907
4908	yahoo_http_post(yd->client_id, url, buff, sfd->size,
4909	_yahoo_ft_upload_connected, sfd);
4910
4911	FREE(token_enc);
4912	FREE(sender_enc);
4913	FREE(recv_enc);
4914	}
4915
4916	static void yahoo_init_ft_recv(struct yahoo_data *yd,
4917	struct send_file_data *sfd)
4918	{
4919	char url[256];
4920	char buff[1024];
4921	char sender_enc = NULL, recv_enc = NULL, *token_enc = NULL;
4922
4923	struct yahoo_input_data *yid = y_new0(struct yahoo_input_data, 1);
4924
4925	yid->yd = yd;
4926	yid->type = YAHOO_CONNECTION_FT;
4927
4928	inputs = y_list_prepend(inputs, yid);
4929	sfd->yid = yid;
4930	sfd->state = FT_STATE_HEAD;
4931
4932	token_enc = yahoo_urlencode(sfd->token);
4933	sender_enc = yahoo_urlencode(sfd->who);
4934	recv_enc = yahoo_urlencode(yd->user);
4935
4936	snprintf(url, sizeof(url),
4937	"http://%s/relay?token=%s&sender=%s&recver=%s", sfd->ip_addr,
4938	token_enc, sender_enc, recv_enc);
4939
4940	snprintf(buff, sizeof(buff), "Y=%s; T=%s", yd->cookie_y, yd->cookie_t);
4941
4942	yahoo_http_head(yid->yd->client_id, url, buff, 0, NULL,
4943	_yahoo_http_connected, yid);
4944
4945	FREE(token_enc);
4946	FREE(sender_enc);
4947	FREE(recv_enc);
4948	}
4949
4950	static void yahoo_file_transfer_accept(struct yahoo_input_data *yid,
4951	struct send_file_data *sfd)
4952	{
4953	struct yahoo_packet *pkt;
4954
4955	pkt = yahoo_packet_new(YAHOO_SERVICE_Y7_FILETRANSFERACCEPT,
4956	YPACKET_STATUS_DEFAULT, yid->yd->session_id);
4957
4958	yahoo_packet_hash(pkt, 1, yid->yd->user);
4959	yahoo_packet_hash(pkt, 5, sfd->who);
4960	yahoo_packet_hash(pkt, 265, sfd->id);
4961	yahoo_packet_hash(pkt, 27, sfd->filename);
4962	yahoo_packet_hash(pkt, 249, "3");
4963	yahoo_packet_hash(pkt, 251, sfd->token);
4964
4965	yahoo_send_packet(yid, pkt, 0);
4966
4967	yahoo_packet_free(pkt);
4968
4969	yahoo_init_ft_recv(yid->yd, sfd);
4970	}
4971
4972	static void yahoo_process_filetransferaccept(struct yahoo_input_data *yid,
4973	struct yahoo_packet *pkt)
4974	{
4975	YList *l;
4976	struct send_file_data *sfd;
4977	char *who = NULL;
4978	char *filename = NULL;
4979	char *id = NULL;
4980	char *token = NULL;
4981
4982	for (l = pkt->hash; l; l = l->next) {
4983	struct yahoo_pair *pair = l->data;
4984	switch (pair->key) {
4985	case 4:
4986	who = pair->value;
4987	break;
4988	case 5:
4989	/* Me... don't care */
4990	break;
4991	case 249:
4992	break;
4993	case 265:
4994	id = pair->value;
4995	break;
4996	case 251:
4997	token = pair->value;
4998	break;
4999	case 27:
5000	filename = pair->value;
5001	break;
5002	}
5003	}
5004
5005	sfd = yahoo_get_active_transfer(id);
5006
5007	if (sfd) {
5008	sfd->token = strdup(token);
5009
5010	yahoo_file_transfer_upload(yid->yd, sfd);
5011	}
5012	else {
5013	YAHOO_CALLBACK(ext_yahoo_file_transfer_done)
5014	(yid->yd->client_id, YAHOO_FILE_TRANSFER_UNKNOWN,
5015	sfd ? sfd->data : NULL);
5016
5017	yahoo_remove_active_transfer(sfd);
5018	}
5019	}
5020
5021	static void yahoo_process_filetransferinfo(struct yahoo_input_data *yid,
5022	struct yahoo_packet *pkt)
5023	{
5024	YList *l;
5025	char *who = NULL;
5026	char *filename = NULL;
5027	char *id = NULL;
5028	char *token = NULL;
5029	char *ip_addr = NULL;
5030
5031	struct send_file_data *sfd;
5032
5033	for (l = pkt->hash; l; l = l->next) {
5034	struct yahoo_pair *pair = l->data;
5035	switch (pair->key) {
5036	case 1:
5037	case 4:
5038	who = pair->value;
5039	break;
5040	case 5:
5041	/* Me... don't care */
5042	break;
5043	case 249:
5044	break;
5045	case 265:
5046	id = pair->value;
5047	break;
5048	case 250:
5049	ip_addr = pair->value;
5050	break;
5051	case 251:
5052	token = pair->value;
5053	break;
5054	case 27:
5055	filename = pair->value;
5056	break;
5057	}
5058	}
5059
5060	sfd = yahoo_get_active_transfer(id);
5061
5062	if (sfd) {
5063	sfd->token = strdup(token);
5064	sfd->ip_addr = strdup(ip_addr);
5065
5066	yahoo_file_transfer_accept(yid, sfd);
5067	}
5068	else {
5069	YAHOO_CALLBACK(ext_yahoo_file_transfer_done)
5070	(yid->yd->client_id, YAHOO_FILE_TRANSFER_UNKNOWN,
5071	sfd ? sfd->data : NULL);
5072
5073	yahoo_remove_active_transfer(sfd);
5074	}
5075	}
5076
5077	static void yahoo_send_filetransferinfo(struct yahoo_data *yd,
5078	struct send_file_data *sfd)
5079	{
5080	struct yahoo_input_data *yid;
5081	struct yahoo_packet *pkt;
5082
5083	yid = find_input_by_id_and_type(yd->client_id, YAHOO_CONNECTION_PAGER);
5084	sfd->ip_addr = YAHOO_CALLBACK(ext_yahoo_get_ip_addr)("relay.yahoo.com");
5085
5086	if (!sfd->ip_addr) {
5087	YAHOO_CALLBACK(ext_yahoo_file_transfer_done)
5088	(yd->client_id, YAHOO_FILE_TRANSFER_RELAY, sfd->data);
5089
5090	yahoo_remove_active_transfer(sfd);
5091
5092	return;
5093	}
5094
5095	pkt = yahoo_packet_new(YAHOO_SERVICE_Y7_FILETRANSFERINFO,
5096	YPACKET_STATUS_DEFAULT, yd->session_id);
5097
5098	yahoo_packet_hash(pkt, 1, yd->user);
5099	yahoo_packet_hash(pkt, 5, sfd->who);
5100	yahoo_packet_hash(pkt, 265, sfd->id);
5101	yahoo_packet_hash(pkt, 27, sfd->filename);
5102	yahoo_packet_hash(pkt, 249, "3");
5103	yahoo_packet_hash(pkt, 250, sfd->ip_addr);
5104
5105	yahoo_send_packet(yid, pkt, 0);
5106
5107	yahoo_packet_free(pkt);
5108	}
5109
5110	static void yahoo_process_filetransfer(struct yahoo_input_data *yid,
5111	struct yahoo_packet *pkt)
5112	{
5113	YList *l;
5114	char *who = NULL;
5115	char *filename = NULL;
5116	char *msg = NULL;
5117	char *id = NULL;
5118	int action = 0;
5119	int size = 0;
5120	struct yahoo_data *yd = yid->yd;
5121
5122	struct send_file_data *sfd;
5123
5124	for (l = pkt->hash; l; l = l->next) {
5125	struct yahoo_pair *pair = l->data;
5126	switch (pair->key) {
5127	case 4:
5128	who = pair->value;
5129	break;
5130	case 5:
5131	/* Me... don't care */
5132	break;
5133	case 222:
5134	action = atoi(pair->value);
5135	break;
5136	case 265:
5137	id = pair->value;
5138	break;
5139	case 266: /* Don't know */
5140	break;
5141	case 302: /* Start Data? */
5142	break;
5143	case 300:
5144	break;
5145	case 27:
5146	filename = pair->value;
5147	break;
5148	case 28:
5149	size = atoi(pair->value);
5150	break;
5151	case 14:
5152	msg = pair->value;
5153	case 301: /* End Data? */
5154	break;
5155	case 303:
5156	break;
5157
5158	}
5159	}
5160
5161	if (action == YAHOO_FILE_TRANSFER_INIT) {
5162	/* Received a FT request from buddy */
5163	sfd = y_new0(struct send_file_data, 1);
5164
5165	sfd->client_id = yd->client_id;
5166	sfd->id = strdup(id);
5167	sfd->who = strdup(who);
5168	sfd->filename = strdup(filename);
5169	sfd->size = size;
5170
5171	yahoo_add_active_transfer(sfd);
5172
5173	YAHOO_CALLBACK(ext_yahoo_got_file) (yd->client_id, yd->user,
5174	who, msg, filename, size, sfd->id);
5175	}
5176	else {
5177	/* Response to our request */
5178	sfd = yahoo_get_active_transfer(id);
5179
5180	if (sfd && action == YAHOO_FILE_TRANSFER_ACCEPT) {
5181	yahoo_send_filetransferinfo(yd, sfd);
5182	}
5183	else if (!sfd \|\| action == YAHOO_FILE_TRANSFER_REJECT) {
5184	YAHOO_CALLBACK(ext_yahoo_file_transfer_done)
5185	(yd->client_id, YAHOO_FILE_TRANSFER_REJECT,
5186	sfd ? sfd->data : NULL);
5187
5188	yahoo_remove_active_transfer(sfd);
5189	}
5190	}
5191	}
5192
5193	void yahoo_send_file(int id, const char who, const char msg,
5194	const char *name, unsigned long size,
5195	yahoo_get_fd_callback callback, void *data)
5196	{
5197	struct yahoo_packet *pkt = NULL;
5198	char size_str[10];
5199	struct yahoo_input_data *yid;
5200	struct yahoo_data *yd;
5201	struct send_file_data *sfd;
5202
5203	yid = find_input_by_id_and_type(id, YAHOO_CONNECTION_PAGER);
5204	yd = find_conn_by_id(id);
5205	sfd = y_new0(struct send_file_data, 1);
5206
5207	sfd->client_id = id;
5208	sfd->id = yahoo_get_random();
5209	sfd->who = strdup(who);
5210	sfd->filename = strdup(name);
5211	sfd->size = size;
5212	sfd->callback = callback;
5213	sfd->data = data;
5214
5215	yahoo_add_active_transfer(sfd);
5216
5217	if (!yd)
5218	return;
5219
5220	pkt = yahoo_packet_new(YAHOO_SERVICE_Y7_FILETRANSFER,
5221	YPACKET_STATUS_DEFAULT, yd->session_id);
5222
5223	snprintf(size_str, sizeof(size_str), "%ld", size);
5224
5225	yahoo_packet_hash(pkt, 1, yd->user);
5226	yahoo_packet_hash(pkt, 5, who);
5227	yahoo_packet_hash(pkt, 265, sfd->id);
5228	yahoo_packet_hash(pkt, 222, "1");
5229	yahoo_packet_hash(pkt, 266, "1");
5230	yahoo_packet_hash(pkt, 302, "268");
5231	yahoo_packet_hash(pkt, 300, "268");
5232	yahoo_packet_hash(pkt, 27, name);
5233	yahoo_packet_hash(pkt, 28, size_str);
5234	yahoo_packet_hash(pkt, 301, "268");
5235	yahoo_packet_hash(pkt, 303, "268");
5236
5237	yahoo_send_packet(yid, pkt, 0);
5238
5239	yahoo_packet_free(pkt);
5240	}
5241
5242	void yahoo_send_file_transfer_response(int client_id, int response, char id, void data)
5243	{
5244	struct yahoo_packet *pkt = NULL;
5245	char resp[2];
5246	struct yahoo_input_data *yid;
5247
5248	struct send_file_data *sfd = yahoo_get_active_transfer(id);
5249
5250	sfd->data = data;
5251
5252	yid = find_input_by_id_and_type(client_id, YAHOO_CONNECTION_PAGER);
5253
5254	pkt = yahoo_packet_new(YAHOO_SERVICE_Y7_FILETRANSFER,
5255	YPACKET_STATUS_DEFAULT, yid->yd->session_id);
5256
5257	snprintf(resp, sizeof(resp), "%d", response);
5258
5259	yahoo_packet_hash(pkt, 1, yid->yd->user);
5260	yahoo_packet_hash(pkt, 5, sfd->who);
5261	yahoo_packet_hash(pkt, 265, sfd->id);
5262	yahoo_packet_hash(pkt, 222, resp);
5263
5264	yahoo_send_packet(yid, pkt, 0);
5265
5266	yahoo_packet_free(pkt);
5267
5268	if(response == YAHOO_FILE_TRANSFER_REJECT)
5269	yahoo_remove_active_transfer(sfd);
5270	}
5271
5272	static void yahoo_process_ft_connection(struct yahoo_input_data *yid, int over)
5273	{
5274	struct send_file_data *sfd;
5275	struct yahoo_data *yd = yid->yd;
5276
5277	sfd = yahoo_get_active_transfer_with_yid(yid);
5278
5279	if (!sfd) {
5280	LOG(("Something funny happened. yid %p has no sfd.\n", yid));
5281	return;
5282	}
5283
5284	/*
5285	* We want to handle only the complete data with HEAD since we don't
5286	* want a situation where both the GET and HEAD are active.
5287	* With SEND, we really can't do much with partial response
5288	*/
5289	if ((sfd->state == FT_STATE_HEAD \|\| sfd->state == FT_STATE_SEND)
5290	&& !over)
5291	return;
5292
5293	if (sfd->state == FT_STATE_HEAD) {
5294	/* Do a GET */
5295	char url[256];
5296	char buff[1024];
5297	char sender_enc = NULL, recv_enc = NULL, *token_enc = NULL;
5298
5299	struct yahoo_input_data *yid_ft =
5300	y_new0(struct yahoo_input_data, 1);
5301
5302	yid_ft->yd = yid->yd;
5303	yid_ft->type = YAHOO_CONNECTION_FT;
5304
5305	inputs = y_list_prepend(inputs, yid_ft);
5306	sfd->yid = yid_ft;
5307	sfd->state = FT_STATE_RECV;
5308
5309	token_enc = yahoo_urlencode(sfd->token);
5310	sender_enc = yahoo_urlencode(sfd->who);
5311	recv_enc = yahoo_urlencode(yd->user);
5312
5313	snprintf(url, sizeof(url),
5314	"http://%s/relay?token=%s&sender=%s&recver=%s", sfd->ip_addr,
5315	token_enc, sender_enc, recv_enc);
5316
5317	snprintf(buff, sizeof(buff), "Y=%s; T=%s", yd->cookie_y,
5318	yd->cookie_t);
5319
5320
5321	yahoo_http_get(yd->client_id, url, buff, 1, 1,
5322	_yahoo_http_connected, yid_ft);
5323
5324	FREE(token_enc);
5325	FREE(sender_enc);
5326	FREE(recv_enc);
5327	}
5328	else if (sfd->state == FT_STATE_RECV \|\|
5329	sfd->state == FT_STATE_RECV_START) {
5330
5331	unsigned char *data_begin = NULL;
5332
5333	if (yid->rxlen == 0)
5334	yahoo_remove_active_transfer(sfd);
5335
5336	if (sfd->state != FT_STATE_RECV_START &&
5337	(data_begin =
5338	(unsigned char )strstr((char )yid->rxqueue,
5339	"\r\n\r\n"))) {
5340
5341	sfd->state = FT_STATE_RECV_START;
5342
5343	yid->rxlen -= 4+(data_begin-yid->rxqueue)/sizeof(char);
5344	data_begin += 4;
5345
5346	if (yid->rxlen > 0)
5347	YAHOO_CALLBACK(ext_yahoo_got_ft_data)
5348	(yd->client_id, data_begin,
5349	yid->rxlen, sfd->data);
5350	}
5351	else if (sfd->state == FT_STATE_RECV_START)
5352	YAHOO_CALLBACK(ext_yahoo_got_ft_data) (yd->client_id,
5353	yid->rxqueue, yid->rxlen, sfd->data);
5354
5355	FREE(yid->rxqueue);
5356	yid->rxqueue = NULL;
5357	yid->rxlen = 0;
5358	}
5359	else if (sfd->state == FT_STATE_SEND) {
5360	/* Sent file completed */
5361	int len = 0;
5362	char off = strstr((char )yid->rxqueue, "Content-Length: ");
5363
5364	if (off) {
5365	off += 16;
5366	len = atoi(off);
5367	}
5368
5369	if (len < sfd->size)
5370	YAHOO_CALLBACK(ext_yahoo_file_transfer_done)
5371	(yd->client_id,
5372	YAHOO_FILE_TRANSFER_FAILED, sfd->data);
5373	else
5374	YAHOO_CALLBACK(ext_yahoo_file_transfer_done)
5375	(yd->client_id,
5376	YAHOO_FILE_TRANSFER_DONE, sfd->data);
5377
5378	yahoo_remove_active_transfer(sfd);
5379	}
5380	}
5381
5382	/* End File Transfer */
5383
5384	enum yahoo_status yahoo_current_status(int id)
5385	{
5386	struct yahoo_data *yd = find_conn_by_id(id);
5387	if (!yd)
5388	return YAHOO_STATUS_OFFLINE;
5389	return yd->current_status;
5390	}
5391
5392	const YList *yahoo_get_buddylist(int id)
5393	{
5394	struct yahoo_data *yd = find_conn_by_id(id);
5395	if (!yd)
5396	return NULL;
5397	return yd->buddies;
5398	}
5399
5400	const YList *yahoo_get_ignorelist(int id)
5401	{
5402	struct yahoo_data *yd = find_conn_by_id(id);
5403	if (!yd)
5404	return NULL;
5405	return yd->ignore;
5406	}
5407
5408	const YList *yahoo_get_identities(int id)
5409	{
5410	struct yahoo_data *yd = find_conn_by_id(id);
5411	if (!yd)
5412	return NULL;
5413	return yd->identities;
5414	}
5415
5416	const char yahoo_get_cookie(int id, const char which)
5417	{
5418	struct yahoo_data *yd = find_conn_by_id(id);
5419	if (!yd)
5420	return NULL;
5421	if (!strncasecmp(which, "y", 1))
5422	return yd->cookie_y;
5423	if (!strncasecmp(which, "b", 1))
5424	return yd->cookie_b;
5425	if (!strncasecmp(which, "t", 1))
5426	return yd->cookie_t;
5427	if (!strncasecmp(which, "c", 1))
5428	return yd->cookie_c;
5429	if (!strncasecmp(which, "login", 5))
5430	return yd->login_cookie;
5431	return NULL;
5432	}
5433
5434	const char *yahoo_get_profile_url(void)
5435	{
5436	return profile_url;
5437	}

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