usr/src/cmd/getent/dogetuserattr.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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 2018 Peter Tribble.
  24  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  25  * Use is subject to license terms.
  26  */
  27
  28 #include <stdio.h>
  29 #include <pwd.h>
  30 #include <stdlib.h>
  31 #include <errno.h>
  32 #include <user_attr.h>
  33 #include "getent.h"
  34
  35 static int
  36 putuserattr(const userattr_t *user, FILE *fp)
  37 {
  38         int i;
  39         kva_t *attrs;
  40         kv_t *data;
  41
  42         if (user == NULL)
  43                 return (1);
  44
  45         if (fprintf(fp, "%s:%s:%s:%s:",
  46             user->name != NULL ? user->name : "",
  47             user->qualifier != NULL ? user->res1 : "",
  48             user->res1 != NULL ? user->res1 : "",
  49             user->res2 != NULL ? user->res2 : "") == EOF)
  50                 return (1);
  51         attrs = user->attr;
  52         if (attrs != NULL) {
  53                 data = attrs->data;
  54                 for (i = 0; i < attrs->length; i++) {
  55                         if (fprintf(fp, "%s=%s%s",
  56                             data[i].key != NULL ? data[i].key : "",
  57                             data[i].value != NULL ? data[i].value : "",
  58                             i < (attrs->length)-1 ? ";" : "") == EOF)
  59                                 return (1);
  60                 }
  61         }
  62         if (putc('\n', fp) == EOF)
  63                 return (1);
  64         return (0);
  65 }
  66
  67 int
  68 dogetuserattr(const char **list)
  69 {
  70         struct passwd *pwp;
  71         userattr_t *puser;
  72         int rc = EXC_SUCCESS;
  73         char *ptr;
  74         uid_t uid;
  75
  76         if (list == NULL || *list == NULL) {
  77                 setuserattr();
  78                 while ((puser = getuserattr()) != NULL)
  79                         (void) putuserattr(puser, stdout);
  80                 enduserattr();
  81         } else {
  82                 for (; *list != NULL; list++) {
  83                         uid = strtoul(*list, &ptr, 10);
  84                         if (*ptr == '\0' && errno == 0) {
  85                                 if ((pwp = getpwuid(uid)) == NULL) {
  86                                         puser = getusernam(*list);
  87                                 } else {
  88                                         puser = getusernam(pwp->pw_name);
  89                                 }
  90                         } else {
  91                                 puser = getusernam(*list);
  92                         }
  93                         if (puser == NULL)
  94                                 rc = EXC_NAME_NOT_FOUND;
  95                         else
  96                                 (void) putuserattr(puser, stdout);
  97                 }
  98         }
  99
 100         return (rc);
 101 }