## 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,
         /* [<][>][^][v][top][bottom][index][help] */
      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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