1 # ===================================================================== 2 # getAttachment.awk: RPC I/O function for rpclib/getAttachment. 3 # 4 # Copyright (c) 2007,2008,2009,2010 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) { 26 27 if (mode == _O_REQUEST) { # request. 28 29 # target group. 30 value = substr(_request("1",1),1,ENVIRON["TNS_GROUP_MAXLEN"]) 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 # target page within group. 41 value = substr(_request("2",1),1,ENVIRON["TNS_PAGE_MAXLEN"]) 42 43 # page name must be at least 2-character long. 44 if (length(value) > 1) { 45 gsub(/[ \t\n\r]/," ",value) # neutralize real junk. 46 _rcset("cgi.page.literal",value) 47 value = unixify(value,1) 48 _rcset("cgi.page",value) 49 } 50 51 # Attachment file name. 52 value = _request("3",1) 53 if (value ~ /^[a-zA-Z0-9]+[-_.a-zA-Z0-9]+[a-zA-Z]$/) 54 _rcset("cgi.attname",value) 55 56 # extract file extension, if possible. 57 sub(/.*\./,_NULL,value) 58 value = tolower(value) 59 if (value ~ /^[a-z0-9]+$/) _rcset("cgi.fileext",value) 60 61 # The following test is necessary since the address could, 62 # at least in theory, have been set to any string by the 63 # remote user, due to how it is handled to cope with stunnel(8) 64 # and the lack of transproxy support in kernel 2.4.x. 65 66 if (_isipaddr(ENVIRON["REMOTE_ADDR"]) == _TRUE) 67 value = ENVIRON["REMOTE_ADDR"] 68 else value = "0.0.0.0" 69 70 _rcset("REMOTE_ADDR",value) 71 } 72 } 73 74 # EOF