bin/dbupdate/process.cc

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FUNCTIONS

This source file includes following functions.
  1. process_networkupdate

   1 /***************************************
   2   $Revision: 1.6 $
   3 
   4   process.cc 
   5 
   6   Status: NOT REVIEWED, TESTED
   7 
   8   Author(s):       Engin Gunduz
   9 
  10   ******************/ /******************
  11   Modification History:
  12         engin (01/03/2001) Created.
  13   ******************/ /******************
  14   Copyright (c) 2001                              RIPE NCC
  15 
  16   All Rights Reserved
  17 
  18   Permission to use, copy, modify, and distribute this software and its
  19   documentation for any purpose and without fee is hereby granted,
  20   provided that the above copyright notice appear in all copies and that
  21   both that copyright notice and this permission notice appear in
  22   supporting documentation, and that the name of the author not be
  23   used in advertising or publicity pertaining to distribution of the
  24   software without specific, written prior permission.
  25 
  26   THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  27   ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS; IN NO EVENT SHALL
  28   AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
  29   DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
  30   AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  31   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  32  ***************************************/
  33 
  34 
  35 
  36 
  37 
  38 #include "dbupdate.h"
  39 #include "process.h"
  40 
  41 extern char * copyright_notice;
  42 extern char * netupdclientIP;
  43 
  44 /* process_networkupdate function processes network updates. Since dbupdate is 
  45    invoked by inetd for networkupdates, we simply read the standard input to get 
  46    the objects. It must process an object as soon as it reads it from the stdin.
  47    That is, there is no need for keeping a linked list of objects, so there
  48    won't be any object reordering */
  49 
  50 void process_networkupdate(credentials_struct credentials,  
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  51                            GHashTable * AUTO_NIC_hdl_hash, 
  52                            char * ack_file_name, 
  53                            GHashTable * ntfy_hash,
  54                            GHashTable * forw_hash,
  55                            GHashTable * cross_hash){
  56 
  57 
  58 GSList *next = NULL;
  59 int object_count = 0;
  60 char *object = NULL;
  61 char * line;
  62 int result = 0;
  63 ip_addr_t *peerip;
  64 
  65     /* here we will check if the peer is authorised to do networkupdates */
  66 
  67     /* get the IP of the peer. */
  68     peerip = (ip_addr_t *)malloc(sizeof(ip_addr_t));
  69     SK_getpeerip(0, peerip);
  70 
  71     /* convert it to a char *, for reporting */
  72     netupdclientIP = (char *)malloc(64);
  73     IP_addr_b2a(peerip, netupdclientIP, 64);
  74    
  75     /* and check if the peer has permission to do networkupdate 
  76        As the "source" to AA_can_networkupdate we use the first
  77        updatable source. Since currently we don't support multiple 
  78        sources, this is not a problem but when we support it, we must change this.
  79        Or, rather, we can simply change AA_can_networkupdate not to ask for
  80        a source. This probably also requires changing aaa table of the ripadmin
  81        db.  */
  82     if(!AA_can_networkupdate(peerip, sources[0])){
  83       
  84       printf("\n\n***You are not authorized to do network updates***\n\n");
  85       close(0);
  86       exit(1);
  87 
  88     }
  89   
  90     /* print the copyright notice (PW_RESP_HEADER) */
  91     printf("\n%s\n", copyright_notice);
  92     fflush(0);
  93 
  94     line = (char *)malloc(1024);
  95 
  96   
  97     while(fgets(line, 1023, stdin ) != NULL){
  98 
  99       /* first, if it is a pasword, save it, but do not regard it as an attrib */ 
 100       if(strstr(line, "password:") == line){
 101         credentials.password_list = g_slist_append(credentials.password_list, 
 102                                       g_strstrip(strdup(line + strlen("password:"))));
 103         continue;
 104 
 105       }
 106       line = UP_remove_EOLs(line); /* remove '\n's and '\r' first */
 107 
 108       /* remove trailing white space */
 109       line = g_strchomp(line); 
 110 
 111       if(strlen(line) == 0){/* then, this was an empty line */
 112 
 113         if(object != NULL){
 114 
 115            /* first log the object */
 116            UP_log_networkupdate(object, netupdclientIP);
 117 
 118            process_object(object, credentials, AUTO_NIC_hdl_hash, ack_file_name,
 119                       ntfy_hash, forw_hash, cross_hash);
 120            free(object);
 121            object = NULL;
 122 
 123         }
 124 
 125       }else{
 126         if(object == NULL && strlen(line) != 0){
 127 
 128           object = (char *)malloc(strlen(line) + 2);
 129           object = strcpy(object, line);
 130           object = strcat(object, "\n"); /* add EOL again (we removed it before) */
 131 
 132         }
 133         else{
 134 
 135           object = (char *)realloc(object, strlen(object) + strlen(line) + 2);
 136           object = strcat(object, line);
 137           object = strcat(object, "\n");
 138 
 139         }
 140       }
 141       
 142     }
 143 
 144 
 145     /* now, if at the very and of the input file there wasn't an 
 146        empty line, we have to add the remaining object in the 'object'
 147        variable */
 148     if(object != NULL){
 149        process_object(object, credentials, AUTO_NIC_hdl_hash, ack_file_name,
 150                       ntfy_hash, forw_hash, cross_hash);
 151        object = NULL;
 152     }
 153 
 154     close(0);
 155 
 156   
 157 }/* process_networkupdate */
 158 
 159 
 160 
 161 

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