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-rw-r--r--osmo-gsup-hlr/src/db_auc.c225
1 files changed, 0 insertions, 225 deletions
diff --git a/osmo-gsup-hlr/src/db_auc.c b/osmo-gsup-hlr/src/db_auc.c
deleted file mode 100644
index 9196922..0000000
--- a/osmo-gsup-hlr/src/db_auc.c
+++ /dev/null
@@ -1,225 +0,0 @@
-/* (C) 2015 by Harald Welte <laforge@gnumonks.org>
- *
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include <string.h>
-
-#include <osmocom/core/utils.h>
-#include <osmocom/crypt/auth.h>
-
-#include <sqlite3.h>
-
-#include "logging.h"
-#include "db.h"
-#include "auc.h"
-#include "rand.h"
-
-#define LOGAUC(imsi, level, fmt, args ...) LOGP(DAUC, level, "%s: " fmt, imsi, ## args)
-
-/* update the SQN for a given subscriber ID */
-int db_update_sqn(struct db_context *dbc, uint64_t id,
- uint64_t new_sqn)
-{
- sqlite3_stmt *stmt = dbc->stmt[AUC_UPD_SQN];
- int rc;
-
- /* bind new SQN and subscriber ID */
- rc = sqlite3_bind_int64(stmt, 1, new_sqn);
- if (rc != SQLITE_OK) {
- LOGP(DAUC, LOGL_ERROR, "Error binding SQN: %d\n", rc);
- return -1;
- }
-
- rc = sqlite3_bind_int64(stmt, 2, id);
- if (rc != SQLITE_OK) {
- LOGP(DAUC, LOGL_ERROR, "Error binding Subscrber ID: %d\n", rc);
- return -1;
- }
-
- /* execute the statement */
- rc = sqlite3_step(stmt);
- if (rc != SQLITE_DONE) {
- LOGP(DAUC, LOGL_ERROR, "Error updating SQN: %d\n", rc);
- return -2;
- }
-
- /* remove bindings and reset statement to be re-executed */
- rc = sqlite3_clear_bindings(stmt);
- if (rc != SQLITE_OK) {
- LOGP(DAUC, LOGL_ERROR, "Error clerearing bindings: %d\n", rc);
- }
- rc = sqlite3_reset(stmt);
- if (rc != SQLITE_OK) {
- LOGP(DAUC, LOGL_ERROR, "Error in sqlite3_reset: %d\n", rc);
- }
-
- return 0;
-}
-
-/* obtain the authentication data for a given imsi
- * returns -1 in case of error, 0 for unknown IMSI, 1 for success */
-int db_get_auth_data(struct db_context *dbc, const char *imsi,
- struct osmo_sub_auth_data *aud2g,
- struct osmo_sub_auth_data *aud3g,
- uint64_t *subscr_id)
-{
- sqlite3_stmt *stmt = dbc->stmt[AUC_BY_IMSI];
- int ret = 0;
- int rc;
-
- memset(aud2g, 0, sizeof(*aud2g));
- memset(aud3g, 0, sizeof(*aud3g));
-
- /* bind the IMSI value */
- rc = sqlite3_bind_text(stmt, 1, imsi, -1,
- SQLITE_STATIC);
- if (rc != SQLITE_OK) {
- LOGAUC(imsi, LOGL_ERROR, "Error binding IMSI: %d\n", rc);
- ret = -1;
- goto out;
- }
-
- /* execute the statement */
- rc = sqlite3_step(stmt);
- if (rc == SQLITE_DONE) {
- LOGAUC(imsi, LOGL_INFO, "Unknown\n");
- ret = 0;
- goto out;
- } else if (rc != SQLITE_ROW) {
- LOGAUC(imsi, LOGL_ERROR, "Error executing SQL: %d\n", rc);
- ret = -1;
- goto out;
- }
-
- /* as an optimization, we retrieve the subscriber ID, to ensure we can
- * update the SQN later without having to go back via a JOIN with the
- * subscriber table. */
- if (subscr_id)
- *subscr_id = sqlite3_column_int64(stmt, 0);
-
- /* obtain result values using sqlite3_column_*() */
- if (sqlite3_column_type(stmt, 1) == SQLITE_INTEGER) {
- /* we do have some 2G authentication data */
- const uint8_t *ki;
-
- aud2g->algo = sqlite3_column_int(stmt, 1);
- ki = sqlite3_column_text(stmt, 2);
-#if 0
- if (sqlite3_column_bytes(stmt, 2) != sizeof(aud2g->u.gsm.ki)) {
- LOGAUC(imsi, LOGL_ERROR, "Error reading Ki: %d\n", rc);
- goto end_2g;
- }
-#endif
- osmo_hexparse(ki, &aud2g->u.gsm.ki, sizeof(aud2g->u.gsm.ki));
- aud2g->type = OSMO_AUTH_TYPE_GSM;
- } else
- LOGAUC(imsi, LOGL_DEBUG, "No 2G Auth Data\n");
-//end_2g:
- if (sqlite3_column_type(stmt, 3) == SQLITE_INTEGER) {
- /* we do have some 3G authentication data */
- const uint8_t *k, *op, *opc;
-
- aud3g->algo = sqlite3_column_int(stmt, 3);
- k = sqlite3_column_text(stmt, 4);
- if (!k) {
- LOGAUC(imsi, LOGL_ERROR, "Error reading K: %d\n", rc);
- goto out;
- }
- osmo_hexparse(k, &aud3g->u.umts.k, sizeof(aud3g->u.umts.k));
- /* UMTS Subscribers can have either OP or OPC */
- op = sqlite3_column_text(stmt, 5);
- if (!op) {
- opc = sqlite3_column_text(stmt, 6);
- if (!opc) {
- LOGAUC(imsi, LOGL_ERROR, "Error reading OPC: %d\n", rc);
- goto out;
- }
- osmo_hexparse(opc, &aud3g->u.umts.opc,
- sizeof(aud3g->u.umts.opc));
- aud3g->u.umts.opc_is_op = 0;
- } else {
- osmo_hexparse(op, &aud3g->u.umts.opc,
- sizeof(aud3g->u.umts.opc));
- aud3g->u.umts.opc_is_op = 1;
- }
- aud3g->u.umts.sqn = sqlite3_column_int64(stmt, 7);
- /* FIXME: amf? */
- aud3g->type = OSMO_AUTH_TYPE_UMTS;
- } else
- LOGAUC(imsi, LOGL_DEBUG, "No 3G Auth Data\n");
-
- if (aud2g->type == 0 && aud3g->type == 0)
- ret = -1;
- else
- ret = 1;
-
-out:
- /* remove bindings and reset statement to be re-executed */
- rc = sqlite3_clear_bindings(stmt);
- if (rc != SQLITE_OK) {
- LOGAUC(imsi, LOGL_ERROR, "Error in sqlite3_clear_bindings(): %d\n", rc);
- }
- rc = sqlite3_reset(stmt);
- if (rc != SQLITE_OK) {
- LOGAUC(imsi, LOGL_ERROR, "Error in sqlite3_reset(): %d\n", rc);
- }
-
- return ret;
-}
-
-/* return -1 in case of error, 0 for unknown imsi, positive for number
- * of vectors generated */
-int db_get_auc(struct db_context *dbc, const char *imsi,
- struct osmo_auth_vector *vec, unsigned int num_vec,
- const uint8_t *rand_auts, const uint8_t *auts)
-{
- struct osmo_sub_auth_data aud2g, aud3g;
- uint64_t subscr_id;
- int ret = 0;
- int rc;
-
- rc = db_get_auth_data(dbc, imsi, &aud2g, &aud3g, &subscr_id);
- if (rc <= 0)
- return rc;
-
- LOGAUC(imsi, LOGL_INFO, "Calling to generate %u vectors\n", num_vec);
- rc = auc_compute_vectors(vec, num_vec, &aud2g, &aud3g, rand_auts, auts);
- if (rc < 0) {
- num_vec = 0;
- ret = -1;
- } else {
- num_vec = rc;
- ret = num_vec;
- }
- LOGAUC(imsi, LOGL_INFO, "Generated %u vectors\n", num_vec);
-
- /* Update SQN in database, as needed */
- if (aud3g.algo) {
- LOGAUC(imsi, LOGL_DEBUG, "Updating SQN in DB\n");
- rc = db_update_sqn(dbc, subscr_id, aud3g.u.umts.sqn);
- /* don't tell caller we generated any triplets in case of
- * update error */
- if (rc < 0) {
- LOGAUC(imsi, LOGL_ERROR, "Error updating SQN: %d\n", rc);
- num_vec = 0;
- ret = -1;
- }
- }
-
- return ret;
-}