Annotation of embedaddon/strongswan/src/libcharon/plugins/eap_simaka_sql/eap_simaka_sql_provider.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2010 Martin Willi
! 3: * Copyright (C) 2010 revosec AG
! 4: *
! 5: * This program is free software; you can redistribute it and/or modify it
! 6: * under the terms of the GNU General Public License as published by the
! 7: * Free Software Foundation; either version 2 of the License, or (at your
! 8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
! 9: *
! 10: * This program is distributed in the hope that it will be useful, but
! 11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
! 13: * for more details.
! 14: */
! 15:
! 16: #include "eap_simaka_sql_provider.h"
! 17:
! 18: #include <time.h>
! 19:
! 20: #include <daemon.h>
! 21:
! 22: typedef struct private_eap_simaka_sql_provider_t private_eap_simaka_sql_provider_t;
! 23:
! 24: /**
! 25: * Private data of an eap_simaka_sql_provider_t object.
! 26: */
! 27: struct private_eap_simaka_sql_provider_t {
! 28:
! 29: /**
! 30: * Public eap_simaka_sql_provider_t interface.
! 31: */
! 32: eap_simaka_sql_provider_t public;
! 33:
! 34: /**
! 35: * Triplet/quintuplet database
! 36: */
! 37: database_t *db;
! 38:
! 39: /**
! 40: * Remove used triplets/quintuplets from database
! 41: */
! 42: bool remove_used;
! 43: };
! 44:
! 45: METHOD(simaka_provider_t, get_triplet, bool,
! 46: private_eap_simaka_sql_provider_t *this, identification_t *id,
! 47: char rand[SIM_RAND_LEN], char sres[SIM_SRES_LEN], char kc[SIM_KC_LEN])
! 48: {
! 49: chunk_t rand_chunk, sres_chunk, kc_chunk;
! 50: enumerator_t *query;
! 51: bool found = FALSE;
! 52: char buf[128];
! 53:
! 54: snprintf(buf, sizeof(buf), "%Y", id);
! 55: query = this->db->query(this->db,
! 56: "select rand, sres, kc from triplets where id = ? order by used",
! 57: DB_TEXT, buf, DB_BLOB, DB_BLOB, DB_BLOB);
! 58: if (query)
! 59: {
! 60: if (query->enumerate(query, &rand_chunk, &sres_chunk, &kc_chunk))
! 61: {
! 62: if (rand_chunk.len == SIM_RAND_LEN &&
! 63: sres_chunk.len == SIM_SRES_LEN &&
! 64: kc_chunk.len == SIM_KC_LEN)
! 65: {
! 66: memcpy(rand, rand_chunk.ptr, SIM_RAND_LEN);
! 67: memcpy(sres, sres_chunk.ptr, SIM_SRES_LEN);
! 68: memcpy(kc, kc_chunk.ptr, SIM_KC_LEN);
! 69: found = TRUE;
! 70: }
! 71: }
! 72: query->destroy(query);
! 73: }
! 74: if (found)
! 75: {
! 76: if (this->remove_used)
! 77: {
! 78: this->db->execute(this->db, NULL,
! 79: "delete from triplets where id = ? and rand = ?",
! 80: DB_TEXT, buf, DB_BLOB, chunk_create(rand, SIM_RAND_LEN));
! 81: }
! 82: else
! 83: {
! 84: this->db->execute(this->db, NULL,
! 85: "update triplets set used = ? where id = ? and rand = ?",
! 86: DB_UINT, time(NULL), DB_TEXT, buf,
! 87: DB_BLOB, chunk_create(rand, SIM_RAND_LEN));
! 88: }
! 89: }
! 90: return found;
! 91: }
! 92:
! 93: METHOD(simaka_provider_t, get_quintuplet, bool,
! 94: private_eap_simaka_sql_provider_t *this, identification_t *id,
! 95: char rand[AKA_RAND_LEN], char xres[AKA_RES_MAX], int *xres_len,
! 96: char ck[AKA_CK_LEN], char ik[AKA_IK_LEN], char autn[AKA_AUTN_LEN])
! 97: {
! 98: chunk_t rand_chunk, xres_chunk, ck_chunk, ik_chunk, autn_chunk;
! 99: enumerator_t *query;
! 100: bool found = FALSE;
! 101: char buf[128];
! 102:
! 103: snprintf(buf, sizeof(buf), "%Y", id);
! 104: query = this->db->query(this->db, "select rand, res, ck, ik, autn "
! 105: "from quintuplets where id = ? order by used", DB_TEXT, buf,
! 106: DB_BLOB, DB_BLOB, DB_BLOB, DB_BLOB, DB_BLOB);
! 107: if (query)
! 108: {
! 109: if (query->enumerate(query, &rand_chunk, &xres_chunk,
! 110: &ck_chunk, &ik_chunk, &autn_chunk))
! 111: {
! 112: if (rand_chunk.len == AKA_RAND_LEN &&
! 113: xres_chunk.len <= AKA_RES_MAX &&
! 114: ck_chunk.len == AKA_CK_LEN &&
! 115: ik_chunk.len == AKA_IK_LEN &&
! 116: autn_chunk.len == AKA_AUTN_LEN)
! 117: {
! 118: memcpy(rand, rand_chunk.ptr, AKA_RAND_LEN);
! 119: memcpy(xres, xres_chunk.ptr, xres_chunk.len);
! 120: *xres_len = xres_chunk.len;
! 121: memcpy(ck, ck_chunk.ptr, AKA_CK_LEN);
! 122: memcpy(ik, ik_chunk.ptr, AKA_IK_LEN);
! 123: memcpy(autn, autn_chunk.ptr, AKA_AUTN_LEN);
! 124: found = TRUE;
! 125: }
! 126: }
! 127: query->destroy(query);
! 128: }
! 129: if (found)
! 130: {
! 131: if (this->remove_used)
! 132: {
! 133: this->db->execute(this->db, NULL,
! 134: "delete from quintuplets where id = ? and rand = ?",
! 135: DB_TEXT, buf, DB_BLOB, chunk_create(rand, SIM_RAND_LEN));
! 136: }
! 137: else
! 138: {
! 139: this->db->execute(this->db, NULL,
! 140: "update quintuplets set used = ? where id = ? and rand = ?",
! 141: DB_UINT, time(NULL), DB_TEXT, buf,
! 142: DB_BLOB, chunk_create(rand, AKA_RAND_LEN));
! 143: }
! 144: }
! 145: return found;
! 146: }
! 147:
! 148: METHOD(eap_simaka_sql_provider_t, destroy, void,
! 149: private_eap_simaka_sql_provider_t *this)
! 150: {
! 151: free(this);
! 152: }
! 153:
! 154: /**
! 155: * See header
! 156: */
! 157: eap_simaka_sql_provider_t *eap_simaka_sql_provider_create(database_t *db,
! 158: bool remove_used)
! 159: {
! 160: private_eap_simaka_sql_provider_t *this;
! 161:
! 162: INIT(this,
! 163: .public = {
! 164: .provider = {
! 165: .get_triplet = _get_triplet,
! 166: .get_quintuplet = _get_quintuplet,
! 167: .resync = (void*)return_false,
! 168: .is_pseudonym = (void*)return_null,
! 169: .gen_pseudonym = (void*)return_null,
! 170: .is_reauth = (void*)return_null,
! 171: .gen_reauth = (void*)return_null,
! 172: },
! 173: .destroy = _destroy,
! 174: },
! 175: .db = db,
! 176: .remove_used = remove_used,
! 177: );
! 178:
! 179: return &this->public;
! 180: }
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