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 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <auth_attr.h>
  30 #include <secdb.h>
  31 #include <pwd.h>
  32 #include <unistd.h>
  33 #include <sysexits.h>
  34 #include <errno.h>
  35 #include <auth_list.h>
  36 
  37 #define _PATH_SENDMAIL_BIN      "/usr/lib/sendmail"
  38 
  39 int
  40 main(int argc, char *argv[], char *envp[])
  41 {
  42         struct passwd *pw = getpwuid(getuid());
  43         char **newargv;
  44         int j;
  45 
  46         if (pw && chkauthattr(MAILQ_AUTH, pw->pw_name)) {
  47                 /* The extra 2 is 1 for the "-bp" + 1 for the terminator. */
  48                 newargv = (char **)malloc((argc + 2) * sizeof (char *));
  49                 if (newargv == NULL)
  50                         exit(EX_UNAVAILABLE);
  51                 newargv[0] = _PATH_SENDMAIL_BIN;
  52                 newargv[1] = "-bp";
  53                 for (j = 1; j <= argc; j++)
  54                         newargv[j + 1] = argv[j];
  55                 (void) execve(_PATH_SENDMAIL_BIN, newargv, envp);
  56                 perror("Cannot exec " _PATH_SENDMAIL_BIN);
  57                 exit(EX_OSERR);
  58         }
  59         (void) fputs("No authorization to run mailq; "
  60             "see mailq(1) for details.\n", stderr);
  61         return (EX_NOPERM);
  62 }