git.sur5r.net Git - openldap/blob - servers/slapd/back-shell/abandon.c

   1 /* abandon.c - shell backend abandon function */
   2 /* $OpenLDAP$ */
   3
   4 #include "portable.h"
   5
   6 #include <stdio.h>
   7
   8 #include <ac/signal.h>
   9 #include <ac/socket.h>
  10 #include <ac/string.h>
  11
  12 #include "slap.h"
  13 #include "shell.h"
  14
  15 int
  16 shell_back_abandon(
  17     Backend     *be,
  18     Connection  *conn,
  19     Operation   *op,
  20     int         msgid
  21 )
  22 {
  23         struct shellinfo        *si = (struct shellinfo *) be->be_private;
  24         FILE                    *rfp, *wfp;
  25         pid_t                   pid;
  26         Operation               *o;
  27
  28         /* no abandon command defined - just kill the process handling it */
  29         if ( si->si_abandon == NULL ) {
  30                 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
  31                 pid = -1;
  32                 for ( o = conn->c_ops; o != NULL; o = o->o_next ) {
  33                         if ( o->o_msgid == msgid ) {
  34                                 pid = (pid_t) o->o_private;
  35                                 break;
  36                         }
  37                 }
  38                 if( pid == -1 ) {
  39                         for ( o = conn->c_pending_ops; o != NULL; o = o->o_next ) {
  40                                 if ( o->o_msgid == msgid ) {
  41                                         pid = (pid_t) o->o_private;
  42                                         break;
  43                                 }
  44                         }
  45                 }
  46                 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
  47
  48                 if ( pid != -1 ) {
  49                         Debug( LDAP_DEBUG_ARGS, "shell killing pid %d\n",
  50                                (int) pid, 0, 0 );
  51                         kill( pid, SIGTERM );
  52                 } else {
  53                         Debug( LDAP_DEBUG_ARGS, "shell could not find op %d\n",
  54                             msgid, 0, 0 );
  55                 }
  56                 return 0;
  57         }
  58
  59         if ( forkandexec( si->si_abandon, &rfp, &wfp ) == -1 ) {
  60                 return 0;
  61         }
  62
  63         /* write out the request to the abandon process */
  64         fprintf( wfp, "ABANDON\n" );
  65         fprintf( wfp, "msgid: %d\n", msgid );
  66         print_suffixes( wfp, be );
  67         fclose( wfp );
  68
  69         /* no result from abandon */
  70         fclose( rfp );
  71
  72         return 0;
  73 }