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) 1999 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <stdio.h> 30 #include <stdlib.h> 31 #include <limits.h> 32 #include <sys/types.h> 33 #include <nss_dbdefs.h> 34 #include <rpc/trace.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 trace1(TR__nss_initf_userattr, 0); 59 p->name = NSS_DBNAM_USERATTR; 60 p->config_name = NSS_DBNAM_PASSWD; /* use config for "passwd" */ 61 p->default_config = NSS_DEFCONF_USERATTR; 62 trace1(TR__nss_initf_userattr, 1); 63 } 64 65 66 /* 67 * Return values: 0 = success, 1 = parse error, 2 = erange ... 68 * The structure pointer passed in is a structure in the caller's space 69 * wherein the field pointers would be set to areas in the buffer if 70 * need be. instring and buffer should be separate areas. 71 */ 72 int 73 str2userattr(const char *instr, int lenstr, void *ent, char *buffer, int buflen) 74 { 75 char *str = (char *)NULL; 76 char *last = (char *)NULL; 77 char *sep = KV_TOKEN_DELIMIT; 78 userstr_t *user = (userstr_t *)ent; 79 80 trace3(TR_str2userattr, 0, lenstr, buflen); 81 if ((instr >= buffer && (buffer + buflen) > instr) || 82 (buffer >= instr && (instr + lenstr) > buffer)) { 83 trace3(TR_str2userattr, 1, lenstr, buflen); 84 return (NSS_STR_PARSE_PARSE); 85 } 86 if (lenstr >= buflen) { 87 trace3(TR_str2userattr, 1, lenstr, buflen); 88 return (NSS_STR_PARSE_ERANGE); 89 } 90 strncpy(buffer, instr, buflen); 91 /* 92 * Remove newline that nis (yp_match) puts at the 93 * end of the entry it retrieves from the map. 94 */ 95 if (buffer[lenstr] == '\n') { 96 buffer[lenstr] = '\0'; 97 } 98 99 user->name = _strtok_escape(buffer, sep, &last); 100 user->qualifier = _strtok_escape(NULL, sep, &last); 101 user->res1 = _strtok_escape(NULL, sep, &last); 102 user->res2 = _strtok_escape(NULL, sep, &last); 103 user->attr = _strtok_escape(NULL, sep, &last); 104 105 return (0); 106 } 107 108 109 void 110 _setuserattr(void) 111 { 112 trace1(TR_setuserattr, 0); 113 userattr_stayopen = 0; 114 nss_setent(&db_root, _nss_initf_userattr, &context); 115 trace1(TR_setuserattr, 0); 116 } 117 118 119 void 120 _enduserattr(void) 121 { 122 trace1(TR_enduserattr, 0); 123 userattr_stayopen = 0; 124 nss_endent(&db_root, _nss_initf_userattr, &context); 125 nss_delete(&db_root); 126 trace1(TR_enduserattr, 0); 127 } 128 129 130 userstr_t * 131 _getuserattr(userstr_t *result, char *buffer, int buflen, int *h_errnop) 132 { 133 nss_XbyY_args_t arg; 134 nss_status_t res; 135 136 trace2(TR_getuserattr, 0, buflen); 137 NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr); 138 res = nss_getent(&db_root, _nss_initf_userattr, &context, &arg); 139 arg.status = res; 140 *h_errnop = arg.h_errno; 141 trace2(TR_getuserattr, 1, buflen); 142 return ((userstr_t *)NSS_XbyY_FINI(&arg)); 143 } 144 145 146 userstr_t * 147 _fgetuserattr(FILE *f, userstr_t *result, char *buffer, int buflen) 148 { 149 nss_XbyY_args_t arg; 150 151 trace2(TR_getuserattr, 0, buflen); 152 NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr); 153 _nss_XbyY_fgets(f, &arg); 154 trace2(TR_getuserattr, 1, buflen); 155 return ((userstr_t *)NSS_XbyY_FINI(&arg)); 156 } 157 158 159 160 userstr_t * 161 _getusernam(const char *name, userstr_t *result, char *buffer, int buflen, 162 int *errnop) 163 { 164 nss_XbyY_args_t arg; 165 nss_status_t res; 166 167 trace2(TR_getusernam, 0, buflen); 168 NSS_XbyY_INIT(&arg, result, buffer, buflen, str2userattr); 169 arg.key.name = name; 170 arg.stayopen = userattr_stayopen; 171 res = nss_search(&db_root, _nss_initf_userattr, 172 NSS_DBOP_USERATTR_BYNAME, &arg); 173 arg.status = res; 174 *errnop = arg.h_errno; 175 trace2(TR_getusernam, 1, buflen); 176 return ((userstr_t *)NSS_XbyY_FINI(&arg)); 177 } 178