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 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 #include <rpc/rpcent.h> 29 #include "ns_internal.h" 30 #include "ldap_common.h" 31 32 /* rpc attributes filters */ 33 #define _R_NAME "cn" 34 #define _R_NUMBER "oncrpcnumber" 35 36 37 #define _F_GETRPCBYNAME "(&(objectClass=oncRpc)(cn=%s))" 38 #define _F_GETRPCBYNAME_SSD "(&(%%s)(cn=%s))" 39 #define _F_GETRPCBYNUMBER "(&(objectClass=oncRpc)(oncRpcNumber=%d))" 40 #define _F_GETRPCBYNUMBER_SSD "(&(%%s)(oncRpcNumber=%d))" 41 42 static const char *rpc_attrs[] = { 43 _R_NAME, 44 _R_NUMBER, 45 (char *)NULL 46 }; 47 48 /* 49 * _nss_ldap_rpc2str is the data marshaling method for the rpc getXbyY 50 * (e.g., getbyname(), getbynumber(), getrpcent()) backend processes. 51 * This method is called after a successful ldap search has been performed. 52 * This method will parse the ldap search values into the file format. 53 * e.g. 54 * 55 * nfs_acl 100227 56 * snmp 100122 na.snmp snmp-cmc snmp-synoptics snmp-unisys snmp-utk 57 */ 58 static int 59 _nss_ldap_rpc2str(ldap_backend_ptr be, nss_XbyY_args_t *argp) 60 { 61 uint_t i; 62 int nss_result; 63 int buflen = 0, len; 64 char *cname = NULL; 65 char *buffer = NULL; 66 ns_ldap_result_t *result = be->result; 67 ns_ldap_attr_t *names; 68 char **rpcnumber; 69 70 if (result == NULL) 71 return (NSS_STR_PARSE_PARSE); 72 nss_result = NSS_STR_PARSE_SUCCESS; 73 (void) memset(argp->buf.buffer, 0, buflen); 74 75 buflen = argp->buf.buflen; 76 if (argp->buf.result != NULL) { 77 if ((be->buffer = calloc(1, buflen)) == NULL) { 78 nss_result = NSS_STR_PARSE_PARSE; 79 goto result_rpc2str; 80 } 81 buffer = be->buffer; 82 } else 83 buffer = argp->buf.buffer; 84 85 86 names = __ns_ldap_getAttrStruct(result->entry, _R_NAME); 87 if (names == NULL || names->attrvalue == NULL) { 88 nss_result = NSS_STR_PARSE_PARSE; 89 goto result_rpc2str; 90 } 91 /* Get the canonical rpc name */ 92 cname = __s_api_get_canonical_name(result->entry, names, 1); 93 if (cname == NULL || (len = strlen(cname)) < 1) { 94 nss_result = NSS_STR_PARSE_PARSE; 95 goto result_rpc2str; 96 } 97 rpcnumber = __ns_ldap_getAttr(result->entry, _R_NUMBER); 98 if (rpcnumber == NULL || rpcnumber[0] == NULL || 99 (len = strlen(rpcnumber[0])) < 1) { 100 nss_result = NSS_STR_PARSE_PARSE; 101 goto result_rpc2str; 102 } 103 len = snprintf(buffer, buflen, "%s %s", cname, rpcnumber[0]); 104 TEST_AND_ADJUST(len, buffer, buflen, result_rpc2str); 105 /* Append aliases */ 106 for (i = 0; i < names->value_count; i++) { 107 if (names->attrvalue[i] == NULL) { 108 nss_result = NSS_STR_PARSE_PARSE; 109 goto result_rpc2str; 110 } 111 /* Skip the canonical name */ 112 if (strcasecmp(names->attrvalue[i], cname) != 0) { 113 len = snprintf(buffer, buflen, " %s", 114 names->attrvalue[i]); 115 TEST_AND_ADJUST(len, buffer, buflen, result_rpc2str); 116 } 117 } 118 119 /* The front end marshaller doesn't need to copy trailing nulls */ 120 if (argp->buf.result != NULL) 121 be->buflen = strlen(be->buffer); 122 123 result_rpc2str: 124 125 (void) __ns_ldap_freeResult(&be->result); 126 return (nss_result); 127 } 128 129 /* 130 * getbyname gets struct rpcent values by rpc name. This function 131 * constructs an ldap search filter using the rpc name invocation 132 * parameter and the getrpcbyname search filter defined. Once the 133 * filter is constructed, we search for a matching entry and marshal 134 * the data results into *rpc = (struct rpcent *)argp->buf.result. 135 * The function _nss_ldap_rpc2ent performs the data marshaling. 136 */ 137 138 static nss_status_t 139 getbyname(ldap_backend_ptr be, void *a) 140 { 141 nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a; 142 char searchfilter[SEARCHFILTERLEN]; 143 char userdata[SEARCHFILTERLEN]; 144 char name[SEARCHFILTERLEN]; 145 int ret; 146 147 if (_ldap_filter_name(name, argp->key.name, sizeof (name)) != 0) 148 return ((nss_status_t)NSS_NOTFOUND); 149 150 ret = snprintf(searchfilter, sizeof (searchfilter), _F_GETRPCBYNAME, 151 name); 152 if (ret >= sizeof (searchfilter) || ret < 0) 153 return ((nss_status_t)NSS_NOTFOUND); 154 155 ret = snprintf(userdata, sizeof (userdata), _F_GETRPCBYNAME_SSD, name); 156 if (ret >= sizeof (userdata) || ret < 0) 157 return ((nss_status_t)NSS_NOTFOUND); 158 159 return ((nss_status_t)_nss_ldap_lookup(be, argp, _RPC, searchfilter, 160 NULL, _merge_SSD_filter, userdata)); 161 } 162 163 164 /* 165 * getbynumber gets struct rpcent values by rpc number. This function 166 * constructs an ldap search filter using the rpc number invocation 167 * parameter and the getrpcbynumber search filter defined. Once the 168 * filter is constructed, we search for a matching entry and marshal 169 * the data results into *rpc = (struct rpcent *)argp->buf.result. 170 * The function _nss_ldap_rpc2ent performs the data marshaling. 171 */ 172 173 static nss_status_t 174 getbynumber(ldap_backend_ptr be, void *a) 175 { 176 nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a; 177 char searchfilter[SEARCHFILTERLEN]; 178 char userdata[SEARCHFILTERLEN]; 179 int ret; 180 181 ret = snprintf(searchfilter, sizeof (searchfilter), 182 _F_GETRPCBYNUMBER, argp->key.number); 183 if (ret >= sizeof (searchfilter) || ret < 0) 184 return ((nss_status_t)NSS_NOTFOUND); 185 186 ret = snprintf(userdata, sizeof (userdata), 187 _F_GETRPCBYNUMBER_SSD, argp->key.number); 188 if (ret >= sizeof (userdata) || ret < 0) 189 return ((nss_status_t)NSS_NOTFOUND); 190 191 return ((nss_status_t)_nss_ldap_lookup(be, argp, _RPC, searchfilter, 192 NULL, _merge_SSD_filter, userdata)); 193 } 194 195 196 static ldap_backend_op_t rpc_ops[] = { 197 _nss_ldap_destr, 198 _nss_ldap_endent, 199 _nss_ldap_setent, 200 _nss_ldap_getent, 201 getbyname, 202 getbynumber 203 }; 204 205 206 /* 207 * _nss_ldap_rpc_constr is where life begins. This function calls the generic 208 * ldap constructor function to define and build the abstract data types 209 * required to support ldap operations. 210 */ 211 212 /*ARGSUSED0*/ 213 nss_backend_t * 214 _nss_ldap_rpc_constr(const char *dummy1, const char *dummy2, 215 const char *dummy3) 216 { 217 218 return ((nss_backend_t *)_nss_ldap_constr(rpc_ops, 219 sizeof (rpc_ops)/sizeof (rpc_ops[0]), 220 _RPC, rpc_attrs, _nss_ldap_rpc2str)); 221 } 222