libjabber/jpacket.c

   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 "jabber.h"
  21
  22 jpacket jpacket_new(xmlnode x)
  23 {
  24     jpacket p;
  25
  26     if(x == NULL)
  27         return NULL;
  28
  29     p = pmalloc(xmlnode_pool(x),sizeof(_jpacket));
  30     p->x = x;
  31
  32     return jpacket_reset(p);
  33 }
  34
  35 jpacket jpacket_reset(jpacket p)
  36 {
  37     char *val;
  38     xmlnode x;
  39
  40     x = p->x;
  41     memset(p,0,sizeof(_jpacket));
  42     p->x = x;
  43     p->p = xmlnode_pool(x);
  44
  45     if(strncmp(xmlnode_get_name(x),"message",7) == 0)
  46     {
  47         p->type = JPACKET_MESSAGE;
  48     }else if(strncmp(xmlnode_get_name(x),"presence",8) == 0)
  49     {
  50         p->type = JPACKET_PRESENCE;
  51         val = xmlnode_get_attrib(x, "type");
  52         if(val == NULL)
  53             p->subtype = JPACKET__AVAILABLE;
  54         else if(strcmp(val,"unavailable") == 0)
  55             p->subtype = JPACKET__UNAVAILABLE;
  56         else if(strcmp(val,"probe") == 0)
  57             p->subtype = JPACKET__PROBE;
  58         else if(*val == 's' || *val == 'u')
  59             p->type = JPACKET_S10N;
  60         else if(strcmp(val,"available") == 0)
  61         { /* someone is using type='available' which is frowned upon */
  62             xmlnode_hide_attrib(x,"type");
  63             p->subtype = JPACKET__AVAILABLE;
  64         }else
  65             p->type = JPACKET_UNKNOWN;
  66     }else if(strncmp(xmlnode_get_name(x),"iq",2) == 0)
  67     {
  68         p->type = JPACKET_IQ;
  69         p->iq = xmlnode_get_tag(x,"?xmlns");
  70         p->iqns = xmlnode_get_attrib(p->iq,"xmlns");
  71     }
  72
  73     /* set up the jids if any, flag packet as unknown if they are unparseable */
  74     val = xmlnode_get_attrib(x,"to");
  75     if(val != NULL)
  76         if((p->to = jid_new(p->p, val)) == NULL)
  77             p->type = JPACKET_UNKNOWN;
  78     val = xmlnode_get_attrib(x,"from");
  79     if(val != NULL)
  80         if((p->from = jid_new(p->p, val)) == NULL)
  81             p->type = JPACKET_UNKNOWN;
  82
  83     return p;
  84 }
  85
  86
  87 int jpacket_subtype(jpacket p)
  88 {
  89     char *type;
  90     int ret = p->subtype;
  91
  92     if(ret != JPACKET__UNKNOWN)
  93         return ret;
  94
  95     ret = JPACKET__NONE; /* default, when no type attrib is specified */
  96     type = xmlnode_get_attrib(p->x, "type");
  97     if(j_strcmp(type,"error") == 0)
  98         ret = JPACKET__ERROR;
  99     else
 100         switch(p->type)
 101         {
 102         case JPACKET_MESSAGE:
 103             if(j_strcmp(type,"chat") == 0)
 104                 ret = JPACKET__CHAT;
 105             else if(j_strcmp(type,"groupchat") == 0)
 106                 ret = JPACKET__GROUPCHAT;
 107             else if(j_strcmp(type,"headline") == 0)
 108                 ret = JPACKET__HEADLINE;
 109             break;
 110         case JPACKET_S10N:
 111             if(j_strcmp(type,"subscribe") == 0)
 112                 ret = JPACKET__SUBSCRIBE;
 113             else if(j_strcmp(type,"subscribed") == 0)
 114                 ret = JPACKET__SUBSCRIBED;
 115             else if(j_strcmp(type,"unsubscribe") == 0)
 116                 ret = JPACKET__UNSUBSCRIBE;
 117             else if(j_strcmp(type,"unsubscribed") == 0)
 118                 ret = JPACKET__UNSUBSCRIBED;
 119             break;
 120         case JPACKET_IQ:
 121             if(j_strcmp(type,"get") == 0)
 122                 ret = JPACKET__GET;
 123             else if(j_strcmp(type,"set") == 0)
 124                 ret = JPACKET__SET;
 125             else if(j_strcmp(type,"result") == 0)
 126                 ret = JPACKET__RESULT;
 127             break;
 128         }
 129
 130     p->subtype = ret;
 131     return ret;
 132 }