usr/src/cmd/krb5/kwarn/kwarnd_clnt_stubs.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*
  28  *  stub module for kwarnd.
  29  */
  30
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include "kwarnd.h"
  34 #include <rpc/rpc.h>
  35
  36 #include <sys/types.h>
  37 #include <sys/devops.h>
  38 #include <sys/open.h>
  39 #include <sys/stat.h>
  40 #include <sys/conf.h>
  41 #include <sys/ddi.h>
  42 #include <sys/sunddi.h>
  43 #include <sys/uio.h>
  44 #include <syslog.h>
  45
  46 extern CLIENT *getkwarnd_handle(void);
  47 extern void resetkwarnd_handle(void);
  48
  49 OM_UINT32
  50 kwarn_add_warning(WARNING_NAME_T warning_name, int cred_exp_time)
  51 {
  52         kwarn_add_warning_arg args;
  53         kwarn_add_warning_res res;
  54         enum clnt_stat ret;
  55         boolean_t first = TRUE;
  56         CLIENT *clnt;
  57
  58         /* check the input/output parameters */
  59         if (warning_name == NULL || cred_exp_time == 0)
  60                 return (1);
  61
  62 rebind:
  63         /* get the client handle to kwarnd */
  64         if ((clnt = getkwarnd_handle()) == NULL) {
  65                 /*
  66                  * Let app output if an error occurs but we'll syslog to
  67                  * DEBUG to get error details if needed.
  68                  */
  69                 syslog(LOG_DEBUG, "%s",
  70                     clnt_spcreateerror("getkwarnd_handle"));
  71                 return (1);
  72         }
  73
  74         /* set the rpc parameters */
  75         args.cred_exp_time = cred_exp_time;
  76         args.warning_name = warning_name;
  77
  78         /* call the remote procedure */
  79         memset(&res, 0, sizeof (res));
  80         ret = kwarn_add_warning_1(&args, &res, clnt);
  81         if (ret != RPC_SUCCESS) {
  82                 /*
  83                  * Could have timed out due to the process restarting for
  84                  * various reasons. Should attempt to rebind in the case
  85                  * process is actually running.
  86                  */
  87                 if (ret == RPC_TIMEDOUT && first) {
  88                         resetkwarnd_handle();
  89                         first = FALSE;
  90                         goto rebind;
  91                 }
  92                 return (1);
  93         }
  94
  95         /* nothing to free */
  96
  97         return (res.status);
  98 }
  99
 100 OM_UINT32
 101 kwarn_del_warning(WARNING_NAME_T warning_name)
 102 {
 103         kwarn_del_warning_arg args;
 104         kwarn_del_warning_res res;
 105         enum clnt_stat ret;
 106         boolean_t first = TRUE;
 107         CLIENT *clnt;
 108
 109         /* check the output parameters */
 110         if (warning_name == NULL)
 111                 return (1);
 112
 113 rebind:
 114         /* get the client GSSD handle */
 115         if ((clnt = getkwarnd_handle()) == NULL) {
 116                 /*
 117                  * Let app output if an error occurs but we'll syslog to
 118                  * DEBUG to get error details if needed.
 119                  */
 120                 syslog(LOG_DEBUG, "%s",
 121                     clnt_spcreateerror("getkwarnd_handle"));
 122                 return (1);
 123         }
 124
 125         /* set the input parameters */
 126         args.warning_name = warning_name;
 127
 128         /* call the remote procedure */
 129         memset(&res, 0, sizeof (res));
 130         ret = kwarn_del_warning_1(&args, &res, clnt);
 131         if (ret != RPC_SUCCESS) {
 132                 /*
 133                  * Could have timed out due to the process restarting for
 134                  * various reasons. Should attempt to rebind in the case
 135                  * process is actually running.
 136                  */
 137                 if (ret == RPC_TIMEDOUT && first) {
 138                         resetkwarnd_handle();
 139                         first = FALSE;
 140                         goto rebind;
 141                 }
 142                 return (1);
 143         }
 144
 145         /* nothing to free */
 146
 147         return (res.status);
 148 }