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 #include "mt.h" 28 #include <stdio.h> 29 #include <stdlib.h> 30 #include <limits.h> 31 #include <sys/types.h> 32 #include <nss_dbdefs.h> 33 #include <string.h> 34 #include <user_attr.h> 35 36 /* externs from libc */ 37 extern void _nss_XbyY_fgets(FILE *, nss_XbyY_args_t *); 38 /* externs from parse.c */ 39 extern char *_strtok_escape(char *, char *, char **); 40 41 42 static int userattr_stayopen; 43 44 /* 45 * Unsynchronized, but it affects only 46 * efficiency, not correctness 47 */ 48 49 static DEFINE_NSS_DB_ROOT(db_root); 50 static DEFINE_NSS_GETENT(context); 51 52 53 void 54 _nss_initf_userattr(nss_db_params_t *p) 55 { 56 p->name = NSS_DBNAM_USERATTR; 57 p->config_name = NSS_DBNAM_PASSWD; /* use config for "passwd" */ 58 p->default_config = NSS_DEFCONF_USERATTR; 59 } 60 61 62 /* 63 * Return values: 0 = success, 1 = parse error, 2 = erange ... 64 * The structure pointer passed in is a structure in the caller's space 65 * wherein the field pointers would be set to areas in the buffer if 66 * need be. instring and buffer should be separate areas. 67 */ 68 int 69 str2userattr(const char *instr, int lenstr, void *ent, char *buffer, int buflen) 70 { 71 char *last = NULL; 72 char *sep = KV_TOKEN_DELIMIT; 73 userstr_t *user = (userstr_t *)ent; 74 75 if (lenstr >= buflen) 76 return (NSS_STR_PARSE_ERANGE); 77 78 if (instr != buffer) 79 (void) strncpy(buffer, instr, buflen); 80 81 /* 82 * Remove newline that nis (yp_match) puts at the 83 * end of the entry it retrieves from the map. 84 */ 85 if (buffer[lenstr] == '\n') { 86 buffer[lenstr] = '\0'; 87 } 88 89 /* quick exit do not entry fill if not needed */ 90 if (ent == (void *)NULL) 91 return (NSS_STR_PARSE_SUCCESS); 92 93 user->name = _strtok_escape(buffer, sep, &last); 94 user->qualifier = _strtok_escape(NULL, sep, &last); 95 user->res1 = _strtok_escape(NULL, sep, &last); 96 user->res2 = _strtok_escape(NULL, sep, &last); 97 user->attr = _strtok_escape(NULL, sep, &last); 98 99 return (0); 100 } 101 102 103 void 104 _setuserattr(void) 105 { 106 userattr_stayopen = 0; 107 nss_setent(&db_root, _nss_initf_userattr, &context); 108 } 109 110 111 void 112 _enduserattr(void) 113 { 114 userattr_stayopen = 0; 115 nss_endent(&db_root, _nss_initf_userattr, &context); 116 nss_delete(&db_root); 117 } 118 119 120 userstr_t * 121 _getuserattr(userstr_t *result, char *buffer, int buflen, int *h_errnop) 122 { 123 nss_XbyY_args_t arg; 124 nss_status_t res; 125 126 NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr); 127 res = nss_getent(&db_root, _nss_initf_userattr, &context, &arg); 128 arg.status = res; 129 *h_errnop = arg.h_errno; 130 return ((userstr_t *)NSS_XbyY_FINI(&arg)); 131 } 132 133 134 userstr_t * 135 _fgetuserattr(FILE *f, userstr_t *result, char *buffer, int buflen) 136 { 137 nss_XbyY_args_t arg; 138 139 NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr); 140 _nss_XbyY_fgets(f, &arg); 141 return ((userstr_t *)NSS_XbyY_FINI(&arg)); 142 } 143 144 145 146 userstr_t * 147 _getusernam(const char *name, userstr_t *result, char *buffer, int buflen, 148 int *errnop) 149 { 150 nss_XbyY_args_t arg; 151 nss_status_t res; 152 153 NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr); 154 arg.key.name = name; 155 arg.stayopen = userattr_stayopen; 156 res = nss_search(&db_root, _nss_initf_userattr, 157 NSS_DBOP_USERATTR_BYNAME, &arg); 158 arg.status = res; 159 *errnop = arg.h_errno; 160 return ((userstr_t *)NSS_XbyY_FINI(&arg)); 161 } 162