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source: protocols/jabber/jabber.h @ 568aaf7

Last change on this file since 568aaf7 was b7d3cc34, checked in by Wilmer van der Gaast <wilmer@…>, at 2005-11-06T18:23:18Z
Initial repository (0.99 release tree)
Property mode set to `100644`
File size: 11.7 KB

Rev	Line
[b7d3cc34]	1	/*
	2	* This program is free software; you can redistribute it and/or modify
	3	* it under the terms of the GNU General Public License as published by
	4	* the Free Software Foundation; either version 2 of the License, or
	5	* (at your option) any later version.
	6	*
	7	* This program is distributed in the hope that it will be useful,
	8	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	9	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	10	* GNU General Public License for more details.
	11	*
	12	* You should have received a copy of the GNU General Public License
	13	* along with this program; if not, write to the Free Software
	14	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	15	*
	16	* Jabber
	17	* Copyright (C) 1998-1999 The Jabber Team http://jabber.org/
	18	*/
	19
	20	#include <string.h>
	21	#include <stdlib.h>
	22	#include <sys/types.h>
	23	#include <stdio.h>
	24	#include <setjmp.h>
	25	#include <sys/stat.h>
	26	#include <fcntl.h>
	27	#include <errno.h>
	28	#include <signal.h>
	29	#include <stdarg.h>
	30	#include <time.h>
	31	#include <ctype.h>
	32	#ifdef _WIN32
	33	#undef DATADIR
	34	#include "sock.h"
	35	#endif
	36
	37	#include "lib.h"
	38
	39
	40	#ifndef INCL_JABBER_H
	41	#define INCL_JABBER_H
	42
	43	#ifdef __cplusplus
	44	extern "C" {
	45	#endif
	46
	47	/* --------------------------------------------------------- */
	48	/* */
	49	/* JID structures & constants */
	50	/* */
	51	/* --------------------------------------------------------- */
	52	#define JID_RESOURCE 1
	53	#define JID_USER 2
	54	#define JID_SERVER 4
	55
	56	typedef struct jid_struct
	57	{
	58	pool p;
	59	char* resource;
	60	char* user;
	61	char* server;
	62	char* full;
	63	struct jid_struct next; / for lists of jids */
	64	} *jid;
	65
	66	jid jid_new(pool p, char idstr); / Creates a jabber id from the idstr */
	67	void jid_set(jid id, char str, int item); / Individually sets jid components */
	68	char* jid_full(jid id); /* Builds a string type=user/resource@server from the jid data */
	69	int jid_cmp(jid a, jid b); /* Compares two jid's, returns 0 for perfect match */
	70	int jid_cmpx(jid a, jid b, int parts); /* Compares just the parts specified as JID_\|JID_ */
	71	jid jid_append(jid a, jid b); /* Appending b to a (list), no dups */
	72	xmlnode jid_xres(jid id); /* Returns xmlnode representation of the resource?query=string */
	73	xmlnode jid_nodescan(jid id, xmlnode x); /* Scans the children of the node for a matching jid attribute */
	74	jid jid_user(jid a); /* returns the same jid but just of the user@host part */
	75
	76
	77	/* --------------------------------------------------------- */
	78	/* */
	79	/* JPacket structures & constants */
	80	/* */
	81	/* --------------------------------------------------------- */
	82	#define JPACKET_UNKNOWN 0x00
	83	#define JPACKET_MESSAGE 0x01
	84	#define JPACKET_PRESENCE 0x02
	85	#define JPACKET_IQ 0x04
	86	#define JPACKET_S10N 0x08
	87
	88	#define JPACKET__UNKNOWN 0
	89	#define JPACKET__NONE 1
	90	#define JPACKET__ERROR 2
	91	#define JPACKET__CHAT 3
	92	#define JPACKET__GROUPCHAT 4
	93	#define JPACKET__GET 5
	94	#define JPACKET__SET 6
	95	#define JPACKET__RESULT 7
	96	#define JPACKET__SUBSCRIBE 8
	97	#define JPACKET__SUBSCRIBED 9
	98	#define JPACKET__UNSUBSCRIBE 10
	99	#define JPACKET__UNSUBSCRIBED 11
	100	#define JPACKET__AVAILABLE 12
	101	#define JPACKET__UNAVAILABLE 13
	102	#define JPACKET__PROBE 14
	103	#define JPACKET__HEADLINE 15
	104	#define JPACKET__INVISIBLE 16
	105
	106	typedef struct jpacket_struct
	107	{
	108	unsigned char type;
	109	int subtype;
	110	int flag;
	111	void* aux1;
	112	xmlnode x;
	113	jid to;
	114	jid from;
	115	char* iqns;
	116	xmlnode iq;
	117	pool p;
	118	} *jpacket, _jpacket;
	119
	120	jpacket jpacket_new(xmlnode x); /* Creates a jabber packet from the xmlnode */
	121	int jpacket_subtype(jpacket p); /* Returns the subtype value (looks at xmlnode for it) */
	122
	123
	124	/* --------------------------------------------------------- */
	125	/* */
	126	/* Presence Proxy DB structures & constants */
	127	/* */
	128	/* --------------------------------------------------------- */
	129	typedef struct ppdb_struct
	130	{
	131	jid id; /* entry data */
	132	int pri;
	133	xmlnode x;
	134	struct ppdb_struct* user; /* linked list for user@server */
	135	pool p; /* db-level data */
	136	struct ppdb_struct* next;
	137	} _ppdb, *ppdb;
	138
	139	ppdb ppdb_insert(ppdb db, jid id, xmlnode x); /* Inserts presence into the proxy */
	140	xmlnode ppdb_primary(ppdb db, jid id); /* Fetches the matching primary presence for the id */
	141	void ppdb_free(ppdb db); /* Frees the db and all entries */
	142	xmlnode ppdb_get(ppdb db, jid id); /* Called successively to return each presence xmlnode */
	143	/* for the id and children, returns NULL at the end */
	144
	145
	146	/* --------------------------------------------------------- */
	147	/* */
	148	/* Simple Jabber Rate limit functions */
	149	/* */
	150	/* --------------------------------------------------------- */
	151	typedef struct jlimit_struct
	152	{
	153	char *key;
	154	int start;
	155	int points;
	156	int maxt, maxp;
	157	pool p;
	158	} *jlimit, _jlimit;
	159
	160	jlimit jlimit_new(int maxt, int maxp);
	161	void jlimit_free(jlimit r);
	162	int jlimit_check(jlimit r, char *key, int points);
	163
	164
	165	/* --------------------------------------------------------- */
	166	/* */
	167	/* Error structures & constants */
	168	/* */
	169	/* --------------------------------------------------------- */
	170	typedef struct terror_struct
	171	{
	172	int code;
	173	char msg[64];
	174	} terror;
	175
	176	#define TERROR_BAD (terror){400,"Bad Request"}
	177	#define TERROR_AUTH (terror){401,"Unauthorized"}
	178	#define TERROR_PAY (terror){402,"Payment Required"}
	179	#define TERROR_FORBIDDEN (terror){403,"Forbidden"}
	180	#define TERROR_NOTFOUND (terror){404,"Not Found"}
	181	#define TERROR_NOTALLOWED (terror){405,"Not Allowed"}
	182	#define TERROR_NOTACCEPTABLE (terror){406,"Not Acceptable"}
	183	#define TERROR_REGISTER (terror){407,"Registration Required"}
	184	#define TERROR_REQTIMEOUT (terror){408,"Request Timeout"}
	185	#define TERROR_CONFLICT (terror){409,"Conflict"}
	186
	187	#define TERROR_INTERNAL (terror){500,"Internal Server Error"}
	188	#define TERROR_NOTIMPL (terror){501,"Not Implemented"}
	189	#define TERROR_EXTERNAL (terror){502,"Remote Server Error"}
	190	#define TERROR_UNAVAIL (terror){503,"Service Unavailable"}
	191	#define TERROR_EXTTIMEOUT (terror){504,"Remote Server Timeout"}
	192	#define TERROR_DISCONNECTED (terror){510,"Disconnected"}
	193
	194	/* --------------------------------------------------------- */
	195	/* */
	196	/* Namespace constants */
	197	/* */
	198	/* --------------------------------------------------------- */
	199	#define NSCHECK(x,n) (j_strcmp(xmlnode_get_attrib(x,"xmlns"),n) == 0)
	200
	201	#define NS_CLIENT "jabber:client"
	202	#define NS_SERVER "jabber:server"
	203	#define NS_AUTH "jabber:iq:auth"
	204	#define NS_REGISTER "jabber:iq:register"
	205	#define NS_ROSTER "jabber:iq:roster"
	206	#define NS_OFFLINE "jabber:x:offline"
	207	#define NS_AGENT "jabber:iq:agent"
	208	#define NS_AGENTS "jabber:iq:agents"
	209	#define NS_DELAY "jabber:x:delay"
	210	#define NS_VERSION "jabber:iq:version"
	211	#define NS_TIME "jabber:iq:time"
	212	#define NS_VCARD "vcard-temp"
	213	#define NS_PRIVATE "jabber:iq:private"
	214	#define NS_SEARCH "jabber:iq:search"
	215	#define NS_OOB "jabber:iq:oob"
	216	#define NS_XOOB "jabber:x:oob"
	217	#define NS_ADMIN "jabber:iq:admin"
	218	#define NS_FILTER "jabber:iq:filter"
	219	#define NS_AUTH_0K "jabber:iq:auth:0k"
	220
	221
	222	/* --------------------------------------------------------- */
	223	/* */
	224	/* Message Types */
	225	/* */
	226	/* --------------------------------------------------------- */
	227	#define TMSG_NORMAL "normal"
	228	#define TMSG_ERROR "error"
	229	#define TMSG_CHAT "chat"
	230	#define TMSG_GROUPCHAT "groupchat"
	231	#define TMSG_HEADLINE "headline"
	232
	233
	234	/* --------------------------------------------------------- */
	235	/* */
	236	/* JUtil functions */
	237	/* */
	238	/* --------------------------------------------------------- */
	239	xmlnode jutil_presnew(int type, char to, char status); /* Create a skeleton presence packet */
	240	xmlnode jutil_iqnew(int type, char ns); / Create a skeleton iq packet */
	241	xmlnode jutil_msgnew(char type, char to, char subj, char body);
	242	/* Create a skeleton message packet */
	243	xmlnode jutil_header(char* xmlns, char* server); /* Create a skeleton stream packet */
	244	int jutil_priority(xmlnode x); /* Determine priority of this packet */
	245	void jutil_tofrom(xmlnode x); /* Swaps to/from fields on a packet */
	246	xmlnode jutil_iqresult(xmlnode x); /* Generate a skeleton iq/result, given a iq/query */
	247	char* jutil_timestamp(void); /* Get stringified timestamp */
	248	void jutil_error(xmlnode x, terror E); /* Append an <error> node to x */
	249	void jutil_delay(xmlnode msg, char reason); / Append a delay packet to msg */
	250	char* jutil_regkey(char key, char seed); /* pass a seed to generate a key, pass the key again to validate (returns it) */
	251
	252
	253	/* --------------------------------------------------------- */
	254	/* */
	255	/* JConn structures & functions */
	256	/* */
	257	/* --------------------------------------------------------- */
	258	#define JCONN_STATE_OFF 0
	259	#define JCONN_STATE_CONNECTED 1
	260	#define JCONN_STATE_ON 2
	261	#define JCONN_STATE_AUTH 3
	262
	263	typedef struct jconn_struct
	264	{
	265	/* Core structure */
	266	pool p; /* Memory allocation pool */
	267	int state; /* Connection state flag */
	268	int fd; /* Connection file descriptor */
	269	jid user; /* User info */
	270	char pass; / User passwd */
	271
	272	/* Stream stuff */
	273	int id; /* id counter for jab_getid() function */
	274	char idbuf[9]; /* temporary storage for jab_getid() */
	275	char sid; / stream id from server, for digest auth */
	276	XML_Parser parser; /* Parser instance */
	277	xmlnode current; /* Current node in parsing instance.. */
	278
	279	/* Event callback ptrs */
	280	void (on_state)(struct jconn_struct j, int state);
	281	void (on_packet)(struct jconn_struct j, jpacket p);
	282
	283	} *jconn, jconn_struct;
	284
	285	typedef void (*jconn_state_h)(jconn j, int state);
	286	typedef void (*jconn_packet_h)(jconn j, jpacket p);
	287
	288
	289	jconn jab_new(char user, char pass);
	290	void jab_delete(jconn j);
	291	void jab_state_handler(jconn j, jconn_state_h h);
	292	void jab_packet_handler(jconn j, jconn_packet_h h);
	293	void jab_start(jconn j);
	294	void jab_stop(jconn j);
	295
	296	int jab_getfd(jconn j);
	297	jid jab_getjid(jconn j);
	298	char *jab_getsid(jconn j);
	299	char *jab_getid(jconn j);
	300
	301	void jab_send(jconn j, xmlnode x);
	302	void jab_send_raw(jconn j, const char *str);
	303	void jab_recv(jconn j);
	304	void jab_poll(jconn j, int timeout);
	305
	306	char *jab_auth(jconn j);
	307	char *jab_reg(jconn j);
	308
	309
	310
	311	#ifdef __cplusplus
	312	}
	313	#endif
	314
	315	#endif /* INCL_JABBER_H */

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