usr/src/lib/libc/port/nsl/getprofattr.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 2006 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include "mt.h"
  30 #include <stdlib.h>
  31 #include <sys/types.h>
  32 #include <nss_dbdefs.h>
  33 #include <string.h>
  34 #include <prof_attr.h>
  35
  36 /* externs from parse.c */
  37 extern char *_strtok_escape(char *, char *, char **);
  38
  39 static int profattr_stayopen;
  40 /*
  41  * Unsynchronized, but it affects only
  42  * efficiency, not correctness
  43  */
  44
  45 static DEFINE_NSS_DB_ROOT(db_root);
  46 static DEFINE_NSS_GETENT(context);
  47
  48 void
  49 _nss_initf_profattr(nss_db_params_t *p)
  50 {
  51         p->name    = NSS_DBNAM_PROFATTR;
  52         p->default_config = NSS_DEFCONF_PROFATTR;
  53 }
  54
  55
  56 /*
  57  * Return values: 0 = success, 1 = parse error, 2 = erange ...
  58  * The structure pointer passed in is a structure in the caller's space
  59  * wherein the field pointers would be set to areas in the buffer if
  60  * need be. instring and buffer should be separate areas.
  61  */
  62 int
  63 str2profattr(const char *instr, int lenstr, void *ent, char *buffer, int buflen)
  64 {
  65         char            *last = NULL;
  66         char            *sep = KV_TOKEN_DELIMIT;
  67         profstr_t       *prof = (profstr_t *)ent;
  68
  69         if (lenstr >= buflen)
  70                 return (NSS_STR_PARSE_ERANGE);
  71         if (instr != buffer)
  72                 (void) strncpy(buffer, instr, buflen);
  73
  74         /*
  75          * Remove newline that nis (yp_match) puts at the
  76          * end of the entry it retrieves from the map.
  77          */
  78         if (buffer[lenstr] == '\n')
  79                 buffer[lenstr] = '\0';
  80
  81         /* quick exit do not entry fill if not needed */
  82         if (ent == NULL)
  83                 return (NSS_STR_PARSE_SUCCESS);
  84
  85         prof->name = _strtok_escape(buffer, sep, &last);
  86         prof->res1 = _strtok_escape(NULL, sep, &last);
  87         prof->res2 = _strtok_escape(NULL, sep, &last);
  88         prof->desc = _strtok_escape(NULL, sep, &last);
  89         prof->attr = _strtok_escape(NULL, sep, &last);
  90
  91         return (0);
  92 }
  93
  94
  95 void
  96 _setprofattr(void)
  97 {
  98         profattr_stayopen = 0;
  99         nss_setent(&db_root, _nss_initf_profattr, &context);
 100 }
 101
 102
 103 void
 104 _endprofattr(void)
 105 {
 106         profattr_stayopen = 0;
 107         nss_endent(&db_root, _nss_initf_profattr, &context);
 108         nss_delete(&db_root);
 109 }
 110
 111
 112 profstr_t *
 113 _getprofattr(profstr_t *result, char *buffer, int buflen, int *h_errnop)
 114 {
 115         nss_XbyY_args_t arg;
 116         nss_status_t    res;
 117
 118         NSS_XbyY_INIT(&arg, result, buffer, buflen, str2profattr);
 119         res = nss_getent(&db_root, _nss_initf_profattr, &context, &arg);
 120         arg.status = res;
 121         *h_errnop = arg.h_errno;
 122         return ((profstr_t *)NSS_XbyY_FINI(&arg));
 123 }
 124
 125
 126 profstr_t *
 127 _getprofnam(const char *name, profstr_t *result, char *buffer, int buflen,
 128     int *errnop)
 129 {
 130         nss_XbyY_args_t arg;
 131         nss_status_t    res;
 132
 133         NSS_XbyY_INIT(&arg, result, buffer, buflen, str2profattr);
 134         arg.key.name = name;
 135         arg.stayopen = profattr_stayopen;
 136         res = nss_search(&db_root, _nss_initf_profattr,
 137                                                 NSS_DBOP_PROFATTR_BYNAME, &arg);
 138         arg.status = res;
 139         *errnop = arg.h_errno;
 140         return ((profstr_t *)NSS_XbyY_FINI(&arg));
 141 }