自学教程：C++ xmlnode_put_attrib函数代码示例

/* Coprocess functionality */void dnsrv_child_process_xstream_io(int type, xmlnode x, void* args){     dns_io di = (dns_io)args;     char*  hostname;     char*  str = NULL;     dns_resend_list iternode = NULL;     if (type == XSTREAM_NODE)     {          /* Get the hostname out... */          hostname = xmlnode_get_data(x);          log_debug(ZONE, "dnsrv: Recv'd lookup request for %s", hostname);          if (hostname != NULL)          {               /* For each entry in the svclist, try and resolve using                  the specified service and resend it to the specified host */               iternode = di->svclist;               while (iternode != NULL)               {                    str = srv_lookup(x->p, iternode->service, hostname);                    if (str != NULL)                    {                         log_debug(ZONE, "Resolved %s(%s): %s/tresend to:%s", hostname, iternode->service, str, iternode->host);                         xmlnode_put_attrib(x, "ip", str);                         xmlnode_put_attrib(x, "to", iternode->host);                         break;                    }                    iternode = iternode->next;               }               str = xmlnode2str(x);               write(di->out, str, strlen(str));          }     }     xmlnode_free(x);}

/* bounces packet for unknown users with the appropriate error */void mt_unknown_bounce(void *arg){    jpacket jp = (jpacket) arg;    mti ti = (mti) jp->aux1;    xmlnode reg;    lowercase(jp->from->user);    lowercase(jp->from->server);    if ((reg = xdb_get(ti->xc,mt_xdb_id(jp->p,jp->from,jp->to->server),NS_REGISTER)) != NULL)    {        xmlnode p = xmlnode_new_tag("presence");        xmlnode_put_attrib(p,"to",jid_full(jp->from));        xmlnode_put_attrib(p,"from",jp->to->server);        xmlnode_put_attrib(p,"type","probe");        mt_deliver(ti,p);        jutil_error(jp->x,TERROR_NOTFOUND);        xmlnode_free(reg);    }    else        jutil_error(jp->x,TERROR_REGISTER);    mt_deliver(ti,jp->x);}

/** * utility for making message stanzas * * @param type the type of the message (as a string!) * @param to the recipient of the message * @param subj the subject of the message (NULL for no subject element) * @param body the body of the message * @return the xmlnode containing the new message stanza */xmlnode jutil_msgnew(char *type, char *to, char *subj, char *body){	xmlnode msg;	msg = xmlnode_new_tag("message");	if (type != NULL) {		xmlnode_put_attrib(msg, "type", type);	}	if (to != NULL) {		xmlnode_put_attrib(msg, "to", to);	}	if (subj != NULL) {		xmlnode_insert_cdata(xmlnode_insert_tag(msg, "subject"),				     subj, strlen(subj));	}	if (body != NULL) {		xmlnode_insert_cdata(xmlnode_insert_tag(msg, "body"), body,				     strlen(body));	}	return msg;}

int message_send_error(struct stream_s *stream,const char *from,		const char *to,const char *body,int code,const char *str){xmlnode msg;xmlnode n;char *s;	msg=xmlnode_new_tag("message");	if (from!=NULL)		xmlnode_put_attrib(msg,"from",from);	else{		char *jid;		jid=jid_my_registered();		xmlnode_put_attrib(msg,"from",jid);		g_free(jid);	}	xmlnode_put_attrib(msg,"to",to);	xmlnode_put_attrib(msg,"type","error");	s=g_strdup_printf("%03u",code);	xmlnode_put_attrib(msg,"code",s);	g_free(s);	n=xmlnode_insert_tag(msg,"error");	xmlnode_insert_cdata(n,str,-1);	if (body){		n=xmlnode_insert_tag(msg,"body");		xmlnode_insert_cdata(n,body,-1);	}	stream_write(stream,msg);	xmlnode_free(msg);	return 0;}

int presence_send_error(struct stream_s *stream,const char *from,const char *to,				int code,const char *string){xmlnode pres;xmlnode error;char *jid;char *str;	pres=xmlnode_new_tag("presence");	jid=jid_my_registered();	if (from!=NULL)		xmlnode_put_attrib(pres,"from",from);	else{		char *jid;		jid=jid_my_registered();		xmlnode_put_attrib(pres,"from",jid);		g_free(jid);	}	g_free(jid);	xmlnode_put_attrib(pres,"to",to);	xmlnode_put_attrib(pres,"type","error");	error=xmlnode_insert_tag(pres,"error");	if (code>0){		str=g_strdup_printf("%03u",(unsigned)code);		xmlnode_put_attrib(error,"code",str);		g_free(str);	}	xmlnode_insert_cdata(error,string,-1);	stream_write(stream,pres);	xmlnode_free(pres);	return 0;}

mreturn mod_browse_reply(mapi m, void *arg){	xmlnode browse, ns, cur;	session s;	if (m->packet->type != JPACKET_IQ)		return M_IGNORE;	if (!NSCHECK(m->packet->iq, NS_BROWSE))		return M_PASS;	/* first, is this a valid request? */	switch (jpacket_subtype(m->packet)) {	case JPACKET__RESULT:	case JPACKET__ERROR:		return M_PASS;	case JPACKET__SET:		js_bounce(m->si, m->packet->x, TERROR_NOTALLOWED);		return M_HANDLED;	}	log_debug("handling query for user %s", m->user->user);	/* get this dudes browse info */	browse = mod_browse_get(m, m->packet->to);	/* insert the namespaces */	ns = xdb_get(m->si->xc, m->packet->to, NS_XDBNSLIST);	for (cur = xmlnode_get_firstchild(ns); cur != NULL;	     cur = xmlnode_get_nextsibling(cur))		if (xmlnode_get_attrib(cur, "type") == NULL)			xmlnode_insert_tag_node(browse, cur);	/* only include the generic <ns>foo</ns> */	xmlnode_free(ns);	/* include any connected resources if there's a s10n from them */	if (js_trust(m->user, m->packet->from)) {		SEM_LOCK(m->user->sem);		for (s = m->user->sessions; s != NULL; s = s->next) {			/* if(s->priority < 0) continue; *** include all resources I guess */			if (xmlnode_get_tag			    (browse,			     spools(m->packet->p, "?jid=", jid_full(s->id),				    m->packet->p)) != NULL)				continue;	/* already in the browse result */			cur = xmlnode_insert_tag(browse, "user");			xmlnode_put_attrib(cur, "type", "client");			xmlnode_put_attrib(cur, "jid", jid_full(s->id));		}		SEM_UNLOCK(m->user->sem);	}	/* XXX include iq:filter forwards */	jutil_iqresult(m->packet->x);	jpacket_reset(m->packet);	xmlnode_insert_tag_node(m->packet->x, browse);	js_deliver(m->si, m->packet);	xmlnode_free(browse);	return M_HANDLED;}

int message_send_subject(struct stream_s *stream,const char *from,		const char *to,const char *subject,const char *message,time_t timestamp){xmlnode msg;xmlnode n;struct tm *tm;char buf[101];	msg=xmlnode_new_tag("message");	if (from!=NULL)		xmlnode_put_attrib(msg,"from",from);	else{		char *jid;		jid=jid_my_registered();		xmlnode_put_attrib(msg,"from",jid);		g_free(jid);	}	xmlnode_put_attrib(msg,"to",to);	n=xmlnode_insert_tag(msg,"subject");	xmlnode_insert_cdata(n,subject,-1);	n=xmlnode_insert_tag(msg,"body");	xmlnode_insert_cdata(n,message,-1);	if (timestamp){		n=xmlnode_insert_tag(msg,"x");		xmlnode_put_attrib(n,"xmlns","jabber:x:delay");		tm=gmtime(&timestamp);		strftime(buf,100,"%Y%m%dT%H:%M:%S",tm);		xmlnode_put_attrib(n,"stamp",buf);		xmlnode_insert_cdata(n,"Delayed message",-1);	}	stream_write(stream,msg);	xmlnode_free(msg);	return 0;}

int at_iq_vcard(ati ti, jpacket jp){    xmlnode data;    at_session s;    s = at_session_find_by_jid(ti, jp->from);    if(jpacket_subtype(jp) != JPACKET__GET ||      (s && ((!s->icq && jp->to->user) || (s->icq && s->icq_vcard_response))))    {        at_bounce(ti, jp, TERROR_BAD);        return 1;    }    if(!jp->to->user)    {        xmlnode_insert_node(jutil_iqresult(jp->x),ti->vcard);        at_deliver(ti,jp->x);        return 1;    }    if(!s)        return 0;    jutil_iqresult(jp->x);    jp->iq = data = xmlnode_insert_tag(jp->x,"vCard");    xmlnode_put_attrib(data,"xmlns",NS_VCARD);    xmlnode_put_attrib(data,"version","3.0");    xmlnode_put_attrib(data,"prodid","-//HandGen//NONSGML vGen v1.0//EN");    s->icq_vcard_response = jp;    aim_icq_getsimpleinfo(s->ass,                          jp->to->user);    return 1;}

result base_to_deliver(instance id, dpacket p, void *arg){	char *log_data = xmlnode_get_data(p->x);	char *subject;	xmlnode message;	if (log_data == NULL)		return r_ERR;	message = xmlnode_new_tag("message");	xmlnode_insert_cdata(xmlnode_insert_tag(message, "body"), log_data,			     -1);	subject =	    spools(xmlnode_pool(message), "Log Packet from ",		   xmlnode_get_attrib(p->x, "from"),		   xmlnode_pool(message));	xmlnode_insert_cdata(xmlnode_insert_tag(message, "thread"),			     shahash(subject), -1);	xmlnode_insert_cdata(xmlnode_insert_tag(message, "subject"),			     subject, -1);	xmlnode_put_attrib(message, "from",			   xmlnode_get_attrib(p->x, "from"));	xmlnode_put_attrib(message, "to", (char *) arg);	deliver(dpacket_new(message), id);	pool_free(p->p);	return r_DONE;}

void jutil_tofrom(xmlnode x){    char *to, *from;    to = xmlnode_get_attrib(x,"to");    from = xmlnode_get_attrib(x,"from");    xmlnode_put_attrib(x,"from",to);    xmlnode_put_attrib(x,"to",from);}

mreturn mod_roster_auto_in_s10n(mapi m, void *arg){	xmlnode reply, x;	log_debug("AUTO ROSTER");	//in not s10n	if (m->packet->type != JPACKET_S10N)		return M_IGNORE;	//if no to	if (m->packet->to == NULL)		return M_PASS;	//if from me	if (jid_cmpx(m->s->uid, m->packet->from, JID_USER | JID_SERVER) ==	    0)		return M_PASS;	log_debug("handling incoming s10n");	switch (jpacket_subtype(m->packet)) {	case JPACKET__SUBSCRIBE:		log_debug("SUBSCRIBE");		reply =		    jutil_presnew(JPACKET__SUBSCRIBED,				  jid_full(m->packet->from), NULL);		js_session_from(m->s, jpacket_new(reply));		reply =		    jutil_presnew(JPACKET__SUBSCRIBE,				  jid_full(m->packet->from), NULL);		js_session_from(m->s, jpacket_new(reply));		break;	case JPACKET__SUBSCRIBED:		break;	case JPACKET__UNSUBSCRIBE:		log_debug("UNSUBSCRIBE");		//reply = jutil_presnew(JPACKET__UNSUBSCRIBED, jid_full(m->packet->from),NULL);		//js_session_from(m->s, jpacket_new(reply));		//remove account.		reply = jutil_iqnew(JPACKET__SET, NS_ROSTER);		x = xmlnode_get_tag(reply, "query");		x = xmlnode_insert_tag(x, "item");		xmlnode_put_attrib(x, "jid",				   jid_full(jid_user(m->packet->from)));		xmlnode_put_attrib(x, "subscription", "remove");		js_session_from(m->s, jpacket_new(reply));		// reply = jutil_iqnewpresnew(JPACKET__UNSUBSCRIBE, jid_full(m->packet->from),NULL);		// js_session_from(m->s, jpacket_new(reply));		break;	case JPACKET__UNSUBSCRIBED:		break;	}	xmlnode_free(m->packet->x);	return M_HANDLED;}

/* child that handles packets from the user */void _js_session_from(void *arg){	jpacket p = (jpacket) arg;	session s = (session) (p->aux1);	/* if this session is dead */	if (s->exit_flag) {		/* send the packet into oblivion */		xmlnode_free(p->x);		return;	}	/* at least we must have a valid packet */	if (p->type == JPACKET_UNKNOWN) {		/* send an error back */		jutil_error(p->x, TERROR_BAD);		jpacket_reset(p);		js_session_to(s, p);		return;	}	/* debug message */	log_debug("THREAD:SESSION:FROM received a packet!");	/* increment packet out count */	s->si->stats->packets_out++;	s->c_out++;	/* make sure we have our from set correctly for outgoing packets */	if (jid_cmpx(p->from, s->id, JID_USER | JID_SERVER) != 0) {		/* nope, fix it */		xmlnode_put_attrib(p->x, "from", jid_full(s->id));		p->from = jid_new(p->p, jid_full(s->id));	}	/* if you use to="[email
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