1	# =====================================================================
     2	# watch.awk: RPC I/O function for rpclib/watch.
     3	#
     4	# Copyright (c) 2010 Carlo Strozzi
     5	#
     6	# This program is free software; you can redistribute it and/or modify
     7	# it under the terms of the GNU General Public License as published by
     8	# the Free Software Foundation; version 2 dated June, 1991.
     9	#
    10	# This program is distributed in the hope that it will be useful,
    11	# but WITHOUT ANY WARRANTY; without even the implied warranty of
    12	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13	# GNU General Public License for more details.
    14	#
    15	# You should have received a copy of the GNU General Public License
    16	# along with this program; if not, write to the Free Software
    17	# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    18	#
    19	# =====================================================================
    20	
    21	# =====================================================================
    22	# void _userproc(int mode)
    23	# =====================================================================
    24	
    25	function _userproc(mode,			       value,a,i,tmp) {
    26	
    27	   if (mode == _O_REQUEST) {				# request.
    28	
    29	      # target group
    30	      value = _request("1",1)
    31	
    32	      # group must not be null and it may not contain the
    33	      # unescaped ``.'' character.
    34	
    35	      if (value != _NULL && value !~ /\./) {
    36		 _rcset("cgi.group",unixify(value))
    37		 _rcset("cgi.group.literal",value)
    38	      }
    39	
    40	      # ID of the (single) object to be added to the watch-list.
    41	      # This must always be a node-ID, from which we get the actual
    42	      # item PK.
    43	
    44	      value = _strip(_request("2",1))
    45	
    46	      if ((value /= 1) > 0) {
    47	
    48		 tmp = ENVIRON["CSA_ROOT"] "/var/nodes/" \
    49			substr(value,1,1) "/" substr(value,2,1) "/" \
    50			substr(value,3,1) "/" value
    51		 getline value < tmp; close(tmp)
    52	
    53		 if (split(value,a,/[\/ +]/) > 3 && a[4] ~ /^[1-9][0-9]+-/) {
    54		    _rcset("cgi.item.type","thread")
    55		    _rcset("cgi.item",a[4])
    56		 }
    57		 else {
    58		    _rcset("cgi.item.type","page")
    59		    _rcset("cgi.item",a[3])
    60		 }
    61	
    62		 # Page name is needed in any case.
    63		 _rcset("cgi.page",a[3])
    64	      }
    65	
    66	      # The following test is necessary since the address could,
    67	      # at least in theory, have been set to any string by the
    68	      # remote user, due to how it is handled to cope with stunnel(8)
    69	      # and the lack of transproxy support in kernel 2.4.x.
    70	
    71	      if (_isipaddr(ENVIRON["REMOTE_ADDR"]) == _TRUE)
    72					value = ENVIRON["REMOTE_ADDR"]
    73	      else value = "0.0.0.0"
    74	
    75	      _rcset("REMOTE_ADDR",value)
    76	   }
    77	
    78	   else {					# response.
    79	
    80	      # generic template conditionals.
    81	      ifsections()
    82	   }
    83	} 
    84	
    85	# EOF