I am in the process extending the capability of the accesslog overlay to include logging of the client IP address of each request/op. I have successfully implemented this on 2.3.42. The next step is to optionally record the IP address of the server fielding the request. I'm particularly interested which server back-ldap is using to respond to the request.

The closest I have come to finding the back-end server is li->li_url but this is just the uri list as config'd in slapd.conf. I'm hoping to find some assistance in determining the back-end server.

Here is the changes that have been made to 2.3.43/servers/slapd/overlays/accesslog.c:

###BEGIN DIFF### 35d34 < #include "../back-ldap/back-ldap.h" 167c166 < *ad_reqReferral, *ad_reqOld, *ad_reqClient, *ad_reqServer; ---

*ad_reqReferral, *ad_reqOld;

321,328d319 < { "( " LOG_SCHEMA_AT ".30 NAME 'reqClient' " < "DESC 'Client Source Address' " < "SYNTAX OMsDirectoryString " < "SINGLE-VALUE )", &ad_reqClient }, < { "( " LOG_SCHEMA_AT ".31 NAME 'reqServer' " < "DESC 'Destination Server Address' " < "SYNTAX OMsDirectoryString " < "SINGLE-VALUE )", &ad_reqServer }, 345c336 < "reqResult $ reqMessage $ reqReferral $ reqClient $ reqServer) )", ---

        "reqResult $ reqMessage $ reqReferral ) )",

839,863d829 < //jfinn@searshc.com: Log Client IP Address/Hostname/URI to "reqClient" < // attribute. < < BerValue clientIP; < clientIP.bv_val = malloc(255); < strcpy(clientIP.bv_val,op->o_hdr->oh_conn->c_peer_name.bv_val); < strtok(clientIP.bv_val, "="); // use strtok to sanitize the string < clientIP.bv_val = strtok (NULL, ":"); // IP=x.x.x.x:XXXX ---> x.x.x.x < clientIP.bv_len = strlen (clientIP.bv_val); < attr_merge_one( e, ad_reqClient, &clientIP, NULL ); < < // end Client IP address logging < < //jfinn@searshc.com: Log Server IP Address/Hostname/URI to "reqServer" < // attribute for use with back-ldap backend. < ldapinfo_t *ldap_info = (ldapinfo_t *)op->o_bd->be_private; < BerValue serverIP; < serverIP.bv_val = malloc(255); < // ldap_info->li_uri is just the URI string as config'd in slapd.conf. < serverIP.bv_val = ldap_info->li_uri; < serverIP.bv_len = strlen(serverIP.bv_val); < attr_merge_one( e, ad_reqServer, &serverIP, NULL ); < < // end Server IP address logging < ###END DIFF###

Thanks in advance for your assistance!

Jim Finn

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