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 /* 24 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 #pragma ident "%Z%%M% %I% %E% SMI" 29 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <limits.h> 33 #include <sys/types.h> 34 #include <nss_dbdefs.h> 35 #include <string.h> 36 #include <user_attr.h> 37 38 /* externs from libc */ 39 extern void _nss_XbyY_fgets(FILE *, nss_XbyY_args_t *); 40 /* externs from parse.c */ 41 extern char *_strtok_escape(char *, char *, char **); 42 43 44 static int userattr_stayopen; 45 46 /* 47 * Unsynchronized, but it affects only 48 * efficiency, not correctness 49 */ 50 51 static DEFINE_NSS_DB_ROOT(db_root); 52 static DEFINE_NSS_GETENT(context); 53 54 55 void 56 _nss_initf_userattr(nss_db_params_t *p) 57 { 58 p->name = NSS_DBNAM_USERATTR; 59 p->config_name = NSS_DBNAM_PASSWD; /* use config for "passwd" */ 60 p->default_config = NSS_DEFCONF_USERATTR; 61 } 62 63 64 /* 65 * Return values: 0 = success, 1 = parse error, 2 = erange ... 66 * The structure pointer passed in is a structure in the caller's space 67 * wherein the field pointers would be set to areas in the buffer if 68 * need be. instring and buffer should be separate areas. 69 */ 70 int 71 str2userattr(const char *instr, int lenstr, void *ent, char *buffer, int buflen) 72 { 73 char *last = NULL; 74 char *sep = KV_TOKEN_DELIMIT; 75 userstr_t *user = (userstr_t *)ent; 76 77 if ((instr >= buffer && (buffer + buflen) > instr) || 78 (buffer >= instr && (instr + lenstr) > buffer)) 79 return (NSS_STR_PARSE_PARSE); 80 if (lenstr >= buflen) 81 return (NSS_STR_PARSE_ERANGE); 82 (void) strncpy(buffer, instr, buflen); 83 /* 84 * Remove newline that nis (yp_match) puts at the 85 * end of the entry it retrieves from the map. 86 */ 87 if (buffer[lenstr] == '\n') { 88 buffer[lenstr] = '\0'; 89 } 90 91 user->name = _strtok_escape(buffer, sep, &last); 92 user->qualifier = _strtok_escape(NULL, sep, &last); 93 user->res1 = _strtok_escape(NULL, sep, &last); 94 user->res2 = _strtok_escape(NULL, sep, &last); 95 user->attr = _strtok_escape(NULL, sep, &last); 96 97 return (0); 98 } 99 100 101 void 102 _setuserattr(void) 103 { 104 userattr_stayopen = 0; 105 nss_setent(&db_root, _nss_initf_userattr, &context); 106 } 107 108 109 void 110 _enduserattr(void) 111 { 112 userattr_stayopen = 0; 113 nss_endent(&db_root, _nss_initf_userattr, &context); 114 nss_delete(&db_root); 115 } 116 117 118 userstr_t * 119 _getuserattr(userstr_t *result, char *buffer, int buflen, int *h_errnop) 120 { 121 nss_XbyY_args_t arg; 122 nss_status_t res; 123 124 NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr); 125 res = nss_getent(&db_root, _nss_initf_userattr, &context, &arg); 126 arg.status = res; 127 *h_errnop = arg.h_errno; 128 return ((userstr_t *)NSS_XbyY_FINI(&arg)); 129 } 130 131 132 userstr_t * 133 _fgetuserattr(FILE *f, userstr_t *result, char *buffer, int buflen) 134 { 135 nss_XbyY_args_t arg; 136 137 NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr); 138 _nss_XbyY_fgets(f, &arg); 139 return ((userstr_t *)NSS_XbyY_FINI(&arg)); 140 } 141 142 143 144 userstr_t * 145 _getusernam(const char *name, userstr_t *result, char *buffer, int buflen, 146 int *errnop) 147 { 148 nss_XbyY_args_t arg; 149 nss_status_t res; 150 151 NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr); 152 arg.key.name = name; 153 arg.stayopen = userattr_stayopen; 154 res = nss_search(&db_root, _nss_initf_userattr, 155 NSS_DBOP_USERATTR_BYNAME, &arg); 156 arg.status = res; 157 *errnop = arg.h_errno; 158 return ((userstr_t *)NSS_XbyY_FINI(&arg)); 159 } 160