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 <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 (lenstr >= buflen) 78 return (NSS_STR_PARSE_ERANGE); 79 80 if (instr != buffer) 81 (void) strncpy(buffer, instr, buflen); 82 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 /* quick exit do not entry fill if not needed */ 92 if (ent == (void *)NULL) 93 return (NSS_STR_PARSE_SUCCESS); 94 95 user->name = _strtok_escape(buffer, sep, &last); 96 user->qualifier = _strtok_escape(NULL, sep, &last); 97 user->res1 = _strtok_escape(NULL, sep, &last); 98 user->res2 = _strtok_escape(NULL, sep, &last); 99 user->attr = _strtok_escape(NULL, sep, &last); 100 101 return (0); 102 } 103 104 105 void 106 _setuserattr(void) 107 { 108 userattr_stayopen = 0; 109 nss_setent(&db_root, _nss_initf_userattr, &context); 110 } 111 112 113 void 114 _enduserattr(void) 115 { 116 userattr_stayopen = 0; 117 nss_endent(&db_root, _nss_initf_userattr, &context); 118 nss_delete(&db_root); 119 } 120 121 122 userstr_t * 123 _getuserattr(userstr_t *result, char *buffer, int buflen, int *h_errnop) 124 { 125 nss_XbyY_args_t arg; 126 nss_status_t res; 127 128 NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr); 129 res = nss_getent(&db_root, _nss_initf_userattr, &context, &arg); 130 arg.status = res; 131 *h_errnop = arg.h_errno; 132 return ((userstr_t *)NSS_XbyY_FINI(&arg)); 133 } 134 135 136 userstr_t * 137 _fgetuserattr(FILE *f, userstr_t *result, char *buffer, int buflen) 138 { 139 nss_XbyY_args_t arg; 140 141 NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr); 142 _nss_XbyY_fgets(f, &arg); 143 return ((userstr_t *)NSS_XbyY_FINI(&arg)); 144 } 145 146 147 148 userstr_t * 149 _getusernam(const char *name, userstr_t *result, char *buffer, int buflen, 150 int *errnop) 151 { 152 nss_XbyY_args_t arg; 153 nss_status_t res; 154 155 NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr); 156 arg.key.name = name; 157 arg.stayopen = userattr_stayopen; 158 res = nss_search(&db_root, _nss_initf_userattr, 159 NSS_DBOP_USERATTR_BYNAME, &arg); 160 arg.status = res; 161 *errnop = arg.h_errno; 162 return ((userstr_t *)NSS_XbyY_FINI(&arg)); 163 } 164