diff options
Diffstat (limited to 'src/libmsc/db.c')
-rw-r--r-- | src/libmsc/db.c | 1752 |
1 files changed, 1752 insertions, 0 deletions
diff --git a/src/libmsc/db.c b/src/libmsc/db.c new file mode 100644 index 000000000..5fe2a3c6b --- /dev/null +++ b/src/libmsc/db.c @@ -0,0 +1,1752 @@ +/* Simple HLR/VLR database backend using dbi */ +/* (C) 2008 by Jan Luebbe <jluebbe@debian.org> + * (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2009 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 <stdint.h> +#include <inttypes.h> +#include <libgen.h> +#include <stdio.h> +#include <stdbool.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <dbi/dbi.h> + +#include <openbsc/gsm_data.h> +#include <openbsc/gsm_subscriber.h> +#include <openbsc/gsm_04_11.h> +#include <openbsc/db.h> +#include <openbsc/debug.h> + +#include <osmocom/gsm/protocol/gsm_23_003.h> +#include <osmocom/core/talloc.h> +#include <osmocom/core/statistics.h> +#include <osmocom/core/rate_ctr.h> +#include <osmocom/core/utils.h> + +#include <openssl/rand.h> + +/* Semi-Private-Interface (SPI) for the subscriber code */ +void subscr_direct_free(struct gsm_subscriber *subscr); + +static char *db_basename = NULL; +static char *db_dirname = NULL; +static dbi_conn conn; + +#define SCHEMA_REVISION "4" + +enum { + SCHEMA_META, + INSERT_META, + SCHEMA_SUBSCRIBER, + SCHEMA_AUTH, + SCHEMA_EQUIPMENT, + SCHEMA_EQUIPMENT_WATCH, + SCHEMA_SMS, + SCHEMA_VLR, + SCHEMA_APDU, + SCHEMA_COUNTERS, + SCHEMA_RATE, + SCHEMA_AUTHKEY, + SCHEMA_AUTHLAST, +}; + +static const char *create_stmts[] = { + [SCHEMA_META] = "CREATE TABLE IF NOT EXISTS Meta (" + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "key TEXT UNIQUE NOT NULL, " + "value TEXT NOT NULL" + ")", + [INSERT_META] = "INSERT OR IGNORE INTO Meta " + "(key, value) " + "VALUES " + "('revision', " SCHEMA_REVISION ")", + [SCHEMA_SUBSCRIBER] = "CREATE TABLE IF NOT EXISTS Subscriber (" + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "created TIMESTAMP NOT NULL, " + "updated TIMESTAMP NOT NULL, " + "imsi NUMERIC UNIQUE NOT NULL, " + "name TEXT, " + "extension TEXT UNIQUE, " + "authorized INTEGER NOT NULL DEFAULT 0, " + "tmsi TEXT UNIQUE, " + "lac INTEGER NOT NULL DEFAULT 0, " + "expire_lu TIMESTAMP DEFAULT NULL" + ")", + [SCHEMA_AUTH] = "CREATE TABLE IF NOT EXISTS AuthToken (" + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "subscriber_id INTEGER UNIQUE NOT NULL, " + "created TIMESTAMP NOT NULL, " + "token TEXT UNIQUE NOT NULL" + ")", + [SCHEMA_EQUIPMENT] = "CREATE TABLE IF NOT EXISTS Equipment (" + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "created TIMESTAMP NOT NULL, " + "updated TIMESTAMP NOT NULL, " + "name TEXT, " + "classmark1 NUMERIC, " + "classmark2 BLOB, " + "classmark3 BLOB, " + "imei NUMERIC UNIQUE NOT NULL" + ")", + [SCHEMA_EQUIPMENT_WATCH] = "CREATE TABLE IF NOT EXISTS EquipmentWatch (" + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "created TIMESTAMP NOT NULL, " + "updated TIMESTAMP NOT NULL, " + "subscriber_id NUMERIC NOT NULL, " + "equipment_id NUMERIC NOT NULL, " + "UNIQUE (subscriber_id, equipment_id) " + ")", + [SCHEMA_SMS] = "CREATE TABLE IF NOT EXISTS SMS (" + /* metadata, not part of sms */ + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "created TIMESTAMP NOT NULL, " + "sent TIMESTAMP, " + "deliver_attempts INTEGER NOT NULL DEFAULT 0, " + /* data directly copied/derived from SMS */ + "valid_until TIMESTAMP, " + "reply_path_req INTEGER NOT NULL, " + "status_rep_req INTEGER NOT NULL, " + "protocol_id INTEGER NOT NULL, " + "data_coding_scheme INTEGER NOT NULL, " + "ud_hdr_ind INTEGER NOT NULL, " + "src_addr TEXT NOT NULL, " + "src_ton INTEGER NOT NULL, " + "src_npi INTEGER NOT NULL, " + "dest_addr TEXT NOT NULL, " + "dest_ton INTEGER NOT NULL, " + "dest_npi INTEGER NOT NULL, " + "user_data BLOB, " /* TP-UD */ + /* additional data, interpreted from SMS */ + "header BLOB, " /* UD Header */ + "text TEXT " /* decoded UD after UDH */ + ")", + [SCHEMA_VLR] = "CREATE TABLE IF NOT EXISTS VLR (" + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "created TIMESTAMP NOT NULL, " + "updated TIMESTAMP NOT NULL, " + "subscriber_id NUMERIC UNIQUE NOT NULL, " + "last_bts NUMERIC NOT NULL " + ")", + [SCHEMA_APDU] = "CREATE TABLE IF NOT EXISTS ApduBlobs (" + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "created TIMESTAMP NOT NULL, " + "apdu_id_flags INTEGER NOT NULL, " + "subscriber_id INTEGER NOT NULL, " + "apdu BLOB " + ")", + [SCHEMA_COUNTERS] = "CREATE TABLE IF NOT EXISTS Counters (" + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "timestamp TIMESTAMP NOT NULL, " + "value INTEGER NOT NULL, " + "name TEXT NOT NULL " + ")", + [SCHEMA_RATE] = "CREATE TABLE IF NOT EXISTS RateCounters (" + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "timestamp TIMESTAMP NOT NULL, " + "value INTEGER NOT NULL, " + "name TEXT NOT NULL, " + "idx INTEGER NOT NULL " + ")", + [SCHEMA_AUTHKEY] = "CREATE TABLE IF NOT EXISTS AuthKeys (" + "subscriber_id INTEGER PRIMARY KEY, " + "algorithm_id INTEGER NOT NULL, " + "a3a8_ki BLOB " + ")", + [SCHEMA_AUTHLAST] = "CREATE TABLE IF NOT EXISTS AuthLastTuples (" + "subscriber_id INTEGER PRIMARY KEY, " + "issued TIMESTAMP NOT NULL, " + "use_count INTEGER NOT NULL DEFAULT 0, " + "key_seq INTEGER NOT NULL, " + "rand BLOB NOT NULL, " + "sres BLOB NOT NULL, " + "kc BLOB NOT NULL " + ")", +}; + +void db_error_func(dbi_conn conn, void *data) +{ + const char *msg; + dbi_conn_error(conn, &msg); + LOGP(DDB, LOGL_ERROR, "DBI: %s\n", msg); + osmo_log_backtrace(DDB, LOGL_ERROR); +} + +static int update_db_revision_2(void) +{ + dbi_result result; + + result = dbi_conn_query(conn, + "ALTER TABLE Subscriber " + "ADD COLUMN expire_lu " + "TIMESTAMP DEFAULT NULL"); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to alter table Subscriber (upgrade from rev 2).\n"); + return -EINVAL; + } + dbi_result_free(result); + + result = dbi_conn_query(conn, + "UPDATE Meta " + "SET value = '3' " + "WHERE key = 'revision'"); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to update DB schema revision (upgrade from rev 2).\n"); + return -EINVAL; + } + dbi_result_free(result); + + return 0; +} + +/** + * Copied from the normal sms_from_result_v3 to avoid having + * to make sure that the real routine will remain backward + * compatible. + */ +static struct gsm_sms *sms_from_result_v3(dbi_result result) +{ + struct gsm_sms *sms = sms_alloc(); + long long unsigned int sender_id; + struct gsm_subscriber *sender; + const char *text, *daddr; + const unsigned char *user_data; + char buf[32]; + + if (!sms) + return NULL; + + sms->id = dbi_result_get_ulonglong(result, "id"); + + sender_id = dbi_result_get_ulonglong(result, "sender_id"); + snprintf(buf, sizeof(buf), "%llu", sender_id); + sender = db_get_subscriber(GSM_SUBSCRIBER_ID, buf); + OSMO_ASSERT(sender); + osmo_strlcpy(sms->src.addr, sender->extension, sizeof(sms->src.addr)); + subscr_direct_free(sender); + sender = NULL; + + sms->reply_path_req = dbi_result_get_ulonglong(result, "reply_path_req"); + sms->status_rep_req = dbi_result_get_ulonglong(result, "status_rep_req"); + sms->ud_hdr_ind = dbi_result_get_ulonglong(result, "ud_hdr_ind"); + sms->protocol_id = dbi_result_get_ulonglong(result, "protocol_id"); + sms->data_coding_scheme = dbi_result_get_ulonglong(result, + "data_coding_scheme"); + + daddr = dbi_result_get_string(result, "dest_addr"); + if (daddr) + osmo_strlcpy(sms->dst.addr, daddr, sizeof(sms->dst.addr)); + + sms->user_data_len = dbi_result_get_field_length(result, "user_data"); + user_data = dbi_result_get_binary(result, "user_data"); + if (sms->user_data_len > sizeof(sms->user_data)) + sms->user_data_len = (uint8_t) sizeof(sms->user_data); + memcpy(sms->user_data, user_data, sms->user_data_len); + + text = dbi_result_get_string(result, "text"); + if (text) + osmo_strlcpy(sms->text, text, sizeof(sms->text)); + return sms; +} + +static int update_db_revision_3(void) +{ + dbi_result result; + struct gsm_sms *sms; + + LOGP(DDB, LOGL_NOTICE, "Going to migrate from revision 3\n"); + + result = dbi_conn_query(conn, "BEGIN EXCLUSIVE TRANSACTION"); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to begin transaction (upgrade from rev 3)\n"); + return -EINVAL; + } + dbi_result_free(result); + + /* Rename old SMS table to be able create a new one */ + result = dbi_conn_query(conn, "ALTER TABLE SMS RENAME TO SMS_3"); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to rename the old SMS table (upgrade from rev 3).\n"); + goto rollback; + } + dbi_result_free(result); + + /* Create new SMS table with all the bells and whistles! */ + result = dbi_conn_query(conn, create_stmts[SCHEMA_SMS]); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to create a new SMS table (upgrade from rev 3).\n"); + goto rollback; + } + dbi_result_free(result); + + /* Cycle through old messages and convert them to the new format */ + result = dbi_conn_query(conn, "SELECT * FROM SMS_3"); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed fetch messages from the old SMS table (upgrade from rev 3).\n"); + goto rollback; + } + while (dbi_result_next_row(result)) { + sms = sms_from_result_v3(result); + if (db_sms_store(sms) != 0) { + LOGP(DDB, LOGL_ERROR, "Failed to store message to the new SMS table(upgrade from rev 3).\n"); + sms_free(sms); + dbi_result_free(result); + goto rollback; + } + sms_free(sms); + } + dbi_result_free(result); + + /* Remove the temporary table */ + result = dbi_conn_query(conn, "DROP TABLE SMS_3"); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to drop the old SMS table (upgrade from rev 3).\n"); + goto rollback; + } + dbi_result_free(result); + + /* We're done. Bump DB Meta revision to 4 */ + result = dbi_conn_query(conn, + "UPDATE Meta " + "SET value = '4' " + "WHERE key = 'revision'"); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to update DB schema revision (upgrade from rev 3).\n"); + goto rollback; + } + dbi_result_free(result); + + result = dbi_conn_query(conn, "COMMIT TRANSACTION"); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to commit the transaction (upgrade from rev 3)\n"); + return -EINVAL; + } else { + dbi_result_free(result); + } + + /* Shrink DB file size by actually wiping out SMS_3 table data */ + result = dbi_conn_query(conn, "VACUUM"); + if (!result) + LOGP(DDB, LOGL_ERROR, + "VACUUM failed. Ignoring it (upgrade from rev 3).\n"); + else + dbi_result_free(result); + + return 0; + +rollback: + result = dbi_conn_query(conn, "ROLLBACK TRANSACTION"); + if (!result) + LOGP(DDB, LOGL_ERROR, + "Rollback failed (upgrade from rev 3).\n"); + else + dbi_result_free(result); + return -EINVAL; +} + +static int check_db_revision(void) +{ + dbi_result result; + const char *rev_s; + int db_rev = 0; + + /* Make a query */ + result = dbi_conn_query(conn, + "SELECT value FROM Meta " + "WHERE key = 'revision'"); + + if (!result) + return -EINVAL; + + if (!dbi_result_next_row(result)) { + dbi_result_free(result); + return -EINVAL; + } + + /* Fetch the DB schema revision */ + rev_s = dbi_result_get_string(result, "value"); + if (!rev_s) { + dbi_result_free(result); + return -EINVAL; + } + + if (!strcmp(rev_s, SCHEMA_REVISION)) { + /* Everything is fine */ + dbi_result_free(result); + return 0; + } + + db_rev = atoi(rev_s); + dbi_result_free(result); + + /* Incremental migration waterfall */ + switch (db_rev) { + case 2: + if (update_db_revision_2()) + goto error; + case 3: + if (update_db_revision_3()) + goto error; + + /* The end of waterfall */ + break; + default: + LOGP(DDB, LOGL_FATAL, + "Invalid database schema revision '%d'.\n", db_rev); + return -EINVAL; + } + + return 0; + +error: + LOGP(DDB, LOGL_FATAL, "Failed to update database " + "from schema revision '%d'.\n", db_rev); + return -EINVAL; +} + +static int db_configure(void) +{ + dbi_result result; + + result = dbi_conn_query(conn, + "PRAGMA synchronous = FULL"); + if (!result) + return -EINVAL; + + dbi_result_free(result); + return 0; +} + +int db_init(const char *name) +{ + dbi_initialize(NULL); + + conn = dbi_conn_new("sqlite3"); + if (conn == NULL) { + LOGP(DDB, LOGL_FATAL, "Failed to create connection.\n"); + return 1; + } + + dbi_conn_error_handler( conn, db_error_func, NULL ); + + /* MySQL + dbi_conn_set_option(conn, "host", "localhost"); + dbi_conn_set_option(conn, "username", "your_name"); + dbi_conn_set_option(conn, "password", "your_password"); + dbi_conn_set_option(conn, "dbname", "your_dbname"); + dbi_conn_set_option(conn, "encoding", "UTF-8"); + */ + + /* SqLite 3 */ + db_basename = strdup(name); + db_dirname = strdup(name); + dbi_conn_set_option(conn, "sqlite3_dbdir", dirname(db_dirname)); + dbi_conn_set_option(conn, "dbname", basename(db_basename)); + + if (dbi_conn_connect(conn) < 0) + goto out_err; + + return 0; + +out_err: + free(db_dirname); + free(db_basename); + db_dirname = db_basename = NULL; + return -1; +} + + +int db_prepare(void) +{ + dbi_result result; + int i; + + for (i = 0; i < ARRAY_SIZE(create_stmts); i++) { + result = dbi_conn_query(conn, create_stmts[i]); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to create some table.\n"); + return 1; + } + dbi_result_free(result); + } + + if (check_db_revision() < 0) { + LOGP(DDB, LOGL_FATAL, "Database schema revision invalid, " + "please update your database schema\n"); + return -1; + } + + db_configure(); + + return 0; +} + +int db_fini(void) +{ + dbi_conn_close(conn); + dbi_shutdown(); + + free(db_dirname); + free(db_basename); + return 0; +} + +struct gsm_subscriber *db_create_subscriber(const char *imsi, uint64_t smin, + uint64_t smax, bool alloc_exten) +{ + dbi_result result; + struct gsm_subscriber *subscr; + + /* Is this subscriber known in the db? */ + subscr = db_get_subscriber(GSM_SUBSCRIBER_IMSI, imsi); + if (subscr) { + subscr_put(subscr); + return NULL; + } + + subscr = subscr_alloc(); + if (!subscr) + return NULL; + subscr->flags |= GSM_SUBSCRIBER_FIRST_CONTACT; + result = dbi_conn_queryf(conn, + "INSERT INTO Subscriber " + "(imsi, created, updated) " + "VALUES " + "(%s, datetime('now'), datetime('now')) ", + imsi + ); + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to create Subscriber by IMSI.\n"); + subscr_put(subscr); + return NULL; + } + subscr->id = dbi_conn_sequence_last(conn, NULL); + osmo_strlcpy(subscr->imsi, imsi, sizeof(subscr->imsi)); + dbi_result_free(result); + LOGP(DDB, LOGL_INFO, "New Subscriber: ID %llu, IMSI %s\n", subscr->id, subscr->imsi); + if (alloc_exten) + db_subscriber_alloc_exten(subscr, smin, smax); + return subscr; +} + +osmo_static_assert(sizeof(unsigned char) == sizeof(struct gsm48_classmark1), classmark1_size); + +static int get_equipment_by_subscr(struct gsm_subscriber *subscr) +{ + dbi_result result; + const char *string; + unsigned char cm1; + const unsigned char *cm2, *cm3; + struct gsm_equipment *equip = &subscr->equipment; + + result = dbi_conn_queryf(conn, + "SELECT Equipment.* " + "FROM Equipment JOIN EquipmentWatch ON " + "EquipmentWatch.equipment_id=Equipment.id " + "WHERE EquipmentWatch.subscriber_id = %llu " + "ORDER BY EquipmentWatch.updated DESC", subscr->id); + if (!result) + return -EIO; + + if (!dbi_result_next_row(result)) { + dbi_result_free(result); + return -ENOENT; + } + + equip->id = dbi_result_get_ulonglong(result, "id"); + + string = dbi_result_get_string(result, "imei"); + if (string) + osmo_strlcpy(equip->imei, string, sizeof(equip->imei)); + + string = dbi_result_get_string(result, "classmark1"); + if (string) { + cm1 = atoi(string) & 0xff; + memcpy(&equip->classmark1, &cm1, sizeof(equip->classmark1)); + } + + equip->classmark2_len = dbi_result_get_field_length(result, "classmark2"); + cm2 = dbi_result_get_binary(result, "classmark2"); + if (equip->classmark2_len > sizeof(equip->classmark2)) + equip->classmark2_len = sizeof(equip->classmark2); + if (cm2) + memcpy(equip->classmark2, cm2, equip->classmark2_len); + + equip->classmark3_len = dbi_result_get_field_length(result, "classmark3"); + cm3 = dbi_result_get_binary(result, "classmark3"); + if (equip->classmark3_len > sizeof(equip->classmark3)) + equip->classmark3_len = sizeof(equip->classmark3); + if (cm3) + memcpy(equip->classmark3, cm3, equip->classmark3_len); + + dbi_result_free(result); + + return 0; +} + +int db_get_authinfo_for_subscr(struct gsm_auth_info *ainfo, + struct gsm_subscriber *subscr) +{ + dbi_result result; + const unsigned char *a3a8_ki; + + result = dbi_conn_queryf(conn, + "SELECT * FROM AuthKeys WHERE subscriber_id=%llu", + subscr->id); + if (!result) + return -EIO; + + if (!dbi_result_next_row(result)) { + dbi_result_free(result); + return -ENOENT; + } + + ainfo->auth_algo = dbi_result_get_ulonglong(result, "algorithm_id"); + ainfo->a3a8_ki_len = dbi_result_get_field_length(result, "a3a8_ki"); + a3a8_ki = dbi_result_get_binary(result, "a3a8_ki"); + if (ainfo->a3a8_ki_len > sizeof(ainfo->a3a8_ki)) + ainfo->a3a8_ki_len = sizeof(ainfo->a3a8_ki); + memcpy(ainfo->a3a8_ki, a3a8_ki, ainfo->a3a8_ki_len); + + dbi_result_free(result); + + return 0; +} + +int db_sync_authinfo_for_subscr(struct gsm_auth_info *ainfo, + struct gsm_subscriber *subscr) +{ + dbi_result result; + struct gsm_auth_info ainfo_old; + int rc, upd; + unsigned char *ki_str; + + /* Deletion ? */ + if (ainfo == NULL) { + result = dbi_conn_queryf(conn, + "DELETE FROM AuthKeys WHERE subscriber_id=%llu", + subscr->id); + + if (!result) + return -EIO; + + dbi_result_free(result); + + return 0; + } + + /* Check if already existing */ + rc = db_get_authinfo_for_subscr(&ainfo_old, subscr); + if (rc && rc != -ENOENT) + return rc; + upd = rc ? 0 : 1; + + /* Update / Insert */ + dbi_conn_quote_binary_copy(conn, + ainfo->a3a8_ki, ainfo->a3a8_ki_len, &ki_str); + + if (!upd) { + result = dbi_conn_queryf(conn, + "INSERT INTO AuthKeys " + "(subscriber_id, algorithm_id, a3a8_ki) " + "VALUES (%llu, %u, %s)", + subscr->id, ainfo->auth_algo, ki_str); + } else { + result = dbi_conn_queryf(conn, + "UPDATE AuthKeys " + "SET algorithm_id=%u, a3a8_ki=%s " + "WHERE subscriber_id=%llu", + ainfo->auth_algo, ki_str, subscr->id); + } + + free(ki_str); + + if (!result) + return -EIO; + + dbi_result_free(result); + + return 0; +} + +int db_get_lastauthtuple_for_subscr(struct gsm_auth_tuple *atuple, + struct gsm_subscriber *subscr) +{ + dbi_result result; + int len; + const unsigned char *blob; + + result = dbi_conn_queryf(conn, + "SELECT * FROM AuthLastTuples WHERE subscriber_id=%llu", + subscr->id); + if (!result) + return -EIO; + + if (!dbi_result_next_row(result)) { + dbi_result_free(result); + return -ENOENT; + } + + memset(atuple, 0, sizeof(*atuple)); + + atuple->use_count = dbi_result_get_ulonglong(result, "use_count"); + atuple->key_seq = dbi_result_get_ulonglong(result, "key_seq"); + + len = dbi_result_get_field_length(result, "rand"); + if (len != sizeof(atuple->vec.rand)) + goto err_size; + + blob = dbi_result_get_binary(result, "rand"); + memcpy(atuple->vec.rand, blob, len); + + len = dbi_result_get_field_length(result, "sres"); + if (len != sizeof(atuple->vec.sres)) + goto err_size; + + blob = dbi_result_get_binary(result, "sres"); + memcpy(atuple->vec.sres, blob, len); + + len = dbi_result_get_field_length(result, "kc"); + if (len != sizeof(atuple->vec.kc)) + goto err_size; + + blob = dbi_result_get_binary(result, "kc"); + memcpy(atuple->vec.kc, blob, len); + + dbi_result_free(result); + + return 0; + +err_size: + dbi_result_free(result); + return -EIO; +} + +int db_sync_lastauthtuple_for_subscr(struct gsm_auth_tuple *atuple, + struct gsm_subscriber *subscr) +{ + dbi_result result; + int rc, upd; + struct gsm_auth_tuple atuple_old; + unsigned char *rand_str, *sres_str, *kc_str; + + /* Deletion ? */ + if (atuple == NULL) { + result = dbi_conn_queryf(conn, + "DELETE FROM AuthLastTuples WHERE subscriber_id=%llu", + subscr->id); + + if (!result) + return -EIO; + + dbi_result_free(result); + + return 0; + } + + /* Check if already existing */ + rc = db_get_lastauthtuple_for_subscr(&atuple_old, subscr); + if (rc && rc != -ENOENT) + return rc; + upd = rc ? 0 : 1; + + /* Update / Insert */ + dbi_conn_quote_binary_copy(conn, + atuple->vec.rand, sizeof(atuple->vec.rand), &rand_str); + dbi_conn_quote_binary_copy(conn, + atuple->vec.sres, sizeof(atuple->vec.sres), &sres_str); + dbi_conn_quote_binary_copy(conn, + atuple->vec.kc, sizeof(atuple->vec.kc), &kc_str); + + if (!upd) { + result = dbi_conn_queryf(conn, + "INSERT INTO AuthLastTuples " + "(subscriber_id, issued, use_count, " + "key_seq, rand, sres, kc) " + "VALUES (%llu, datetime('now'), %u, " + "%u, %s, %s, %s ) ", + subscr->id, atuple->use_count, atuple->key_seq, + rand_str, sres_str, kc_str); + } else { + char *issued = atuple->key_seq == atuple_old.key_seq ? + "issued" : "datetime('now')"; + result = dbi_conn_queryf(conn, + "UPDATE AuthLastTuples " + "SET issued=%s, use_count=%u, " + "key_seq=%u, rand=%s, sres=%s, kc=%s " + "WHERE subscriber_id = %llu", + issued, atuple->use_count, atuple->key_seq, + rand_str, sres_str, kc_str, subscr->id); + } + + free(rand_str); + free(sres_str); + free(kc_str); + + if (!result) + return -EIO; + + dbi_result_free(result); + + return 0; +} + +static void db_set_from_query(struct gsm_subscriber *subscr, dbi_conn result) +{ + const char *string; + string = dbi_result_get_string(result, "imsi"); + if (string) + osmo_strlcpy(subscr->imsi, string, sizeof(subscr->imsi)); + + string = dbi_result_get_string(result, "tmsi"); + if (string) + subscr->tmsi = tmsi_from_string(string); + + string = dbi_result_get_string(result, "name"); + if (string) + osmo_strlcpy(subscr->name, string, sizeof(subscr->name)); + + string = dbi_result_get_string(result, "extension"); + if (string) + osmo_strlcpy(subscr->extension, string, sizeof(subscr->extension)); + + subscr->lac = dbi_result_get_ulonglong(result, "lac"); + + if (!dbi_result_field_is_null(result, "expire_lu")) + subscr->expire_lu = dbi_result_get_datetime(result, "expire_lu"); + else + subscr->expire_lu = GSM_SUBSCRIBER_NO_EXPIRATION; + + subscr->authorized = dbi_result_get_ulonglong(result, "authorized"); + +} + +#define BASE_QUERY "SELECT * FROM Subscriber " +struct gsm_subscriber *db_get_subscriber(enum gsm_subscriber_field field, + const char *id) +{ + dbi_result result; + char *quoted; + struct gsm_subscriber *subscr; + + switch (field) { + case GSM_SUBSCRIBER_IMSI: + dbi_conn_quote_string_copy(conn, id, "ed); + result = dbi_conn_queryf(conn, + BASE_QUERY + "WHERE imsi = %s ", + quoted + ); + free(quoted); + break; + case GSM_SUBSCRIBER_TMSI: + dbi_conn_quote_string_copy(conn, id, "ed); + result = dbi_conn_queryf(conn, + BASE_QUERY + "WHERE tmsi = %s ", + quoted + ); + free(quoted); + break; + case GSM_SUBSCRIBER_EXTENSION: + dbi_conn_quote_string_copy(conn, id, "ed); + result = dbi_conn_queryf(conn, + BASE_QUERY + "WHERE extension = %s ", + quoted + ); + free(quoted); + break; + case GSM_SUBSCRIBER_ID: + dbi_conn_quote_string_copy(conn, id, "ed); + result = dbi_conn_queryf(conn, + BASE_QUERY + "WHERE id = %s ", quoted); + free(quoted); + break; + default: + LOGP(DDB, LOGL_NOTICE, "Unknown query selector for Subscriber.\n"); + return NULL; + } + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to query Subscriber.\n"); + return NULL; + } + if (!dbi_result_next_row(result)) { + DEBUGP(DDB, "Failed to find the Subscriber. '%u' '%s'\n", + field, id); + dbi_result_free(result); + return NULL; + } + + subscr = subscr_alloc(); + subscr->id = dbi_result_get_ulonglong(result, "id"); + + db_set_from_query(subscr, result); + DEBUGP(DDB, "Found Subscriber: ID %llu, IMSI %s, NAME '%s', TMSI %x, EXTEN '%s', LAC %hu, AUTH %u\n", + subscr->id, subscr->imsi, subscr->name, subscr->tmsi, subscr->extension, + subscr->lac, subscr->authorized); + dbi_result_free(result); + + get_equipment_by_subscr(subscr); + + return subscr; +} + +int db_subscriber_update(struct gsm_subscriber *subscr) +{ + char buf[32]; + dbi_result result; + + /* Copy the id to a string as queryf with %llu is failing */ + sprintf(buf, "%llu", subscr->id); + result = dbi_conn_queryf(conn, + BASE_QUERY + "WHERE id = %s", buf); + + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to query Subscriber: %llu\n", subscr->id); + return -EIO; + } + if (!dbi_result_next_row(result)) { + DEBUGP(DDB, "Failed to find the Subscriber. %llu\n", + subscr->id); + dbi_result_free(result); + return -EIO; + } + + db_set_from_query(subscr, result); + dbi_result_free(result); + get_equipment_by_subscr(subscr); + + return 0; +} + +int db_sync_subscriber(struct gsm_subscriber *subscriber) +{ + dbi_result result; + char tmsi[14]; + char *q_tmsi, *q_name, *q_extension; + + dbi_conn_quote_string_copy(conn, + subscriber->name, &q_name); + if (subscriber->extension[0] != '\0') + dbi_conn_quote_string_copy(conn, + subscriber->extension, &q_extension); + else + q_extension = strdup("NULL"); + + if (subscriber->tmsi != GSM_RESERVED_TMSI) { + sprintf(tmsi, "%u", subscriber->tmsi); + dbi_conn_quote_string_copy(conn, + tmsi, + &q_tmsi); + } else + q_tmsi = strdup("NULL"); + + if (subscriber->expire_lu == GSM_SUBSCRIBER_NO_EXPIRATION) { + result = dbi_conn_queryf(conn, + "UPDATE Subscriber " + "SET updated = datetime('now'), " + "name = %s, " + "extension = %s, " + "authorized = %i, " + "tmsi = %s, " + "lac = %i, " + "expire_lu = NULL " + "WHERE imsi = %s ", + q_name, + q_extension, + subscriber->authorized, + q_tmsi, + subscriber->lac, + subscriber->imsi); + } else { + result = dbi_conn_queryf(conn, + "UPDATE Subscriber " + "SET updated = datetime('now'), " + "name = %s, " + "extension = %s, " + "authorized = %i, " + "tmsi = %s, " + "lac = %i, " + "expire_lu = datetime(%i, 'unixepoch') " + "WHERE imsi = %s ", + q_name, + q_extension, + subscriber->authorized, + q_tmsi, + subscriber->lac, + (int) subscriber->expire_lu, + subscriber->imsi); + } + + free(q_tmsi); + free(q_name); + free(q_extension); + + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to update Subscriber (by IMSI).\n"); + return 1; + } + + dbi_result_free(result); + + return 0; +} + +int db_subscriber_delete(struct gsm_subscriber *subscr) +{ + dbi_result result; + + result = dbi_conn_queryf(conn, + "DELETE FROM AuthKeys WHERE subscriber_id=%llu", + subscr->id); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to delete Authkeys for %llu\n", subscr->id); + return -1; + } + dbi_result_free(result); + + result = dbi_conn_queryf(conn, + "DELETE FROM AuthLastTuples WHERE subscriber_id=%llu", + subscr->id); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to delete AuthLastTuples for %llu\n", subscr->id); + return -1; + } + dbi_result_free(result); + + result = dbi_conn_queryf(conn, + "DELETE FROM AuthToken WHERE subscriber_id=%llu", + subscr->id); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to delete AuthToken for %llu\n", subscr->id); + return -1; + } + dbi_result_free(result); + + result = dbi_conn_queryf(conn, + "DELETE FROM EquipmentWatch WHERE subscriber_id=%llu", + subscr->id); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to delete EquipmentWatch for %llu\n", subscr->id); + return -1; + } + dbi_result_free(result); + + if (subscr->extension[0] != '\0') { + result = dbi_conn_queryf(conn, + "DELETE FROM SMS WHERE src_addr=%s OR dest_addr=%s", + subscr->extension, subscr->extension); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to delete SMS for %llu\n", subscr->id); + return -1; + } + dbi_result_free(result); + } + + result = dbi_conn_queryf(conn, + "DELETE FROM VLR WHERE subscriber_id=%llu", + subscr->id); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to delete VLR for %llu\n", subscr->id); + return -1; + } + dbi_result_free(result); + + result = dbi_conn_queryf(conn, + "DELETE FROM ApduBlobs WHERE subscriber_id=%llu", + subscr->id); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to delete ApduBlobs for %llu\n", subscr->id); + return -1; + } + dbi_result_free(result); + + result = dbi_conn_queryf(conn, + "DELETE FROM Subscriber WHERE id=%llu", + subscr->id); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to delete Subscriber for %llu\n", subscr->id); + return -1; + } + dbi_result_free(result); + + return 0; +} + +/** + * List all the authorized and non-expired subscribers. The callback will + * be called one by one. The subscr argument is not fully initialize and + * subscr_get/subscr_put must not be called. The passed in pointer will be + * deleted after the callback by the database call. + */ +int db_subscriber_list_active(void (*cb)(struct gsm_subscriber*,void*), void *closure) +{ + dbi_result result; + + result = dbi_conn_query(conn, + "SELECT * from Subscriber WHERE LAC != 0 AND authorized = 1"); + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to list active subscribers\n"); + return -1; + } + + while (dbi_result_next_row(result)) { + struct gsm_subscriber *subscr; + + subscr = subscr_alloc(); + subscr->id = dbi_result_get_ulonglong(result, "id"); + db_set_from_query(subscr, result); + cb(subscr, closure); + OSMO_ASSERT(subscr->use_count == 1); + llist_del(&subscr->entry); + talloc_free(subscr); + } + + dbi_result_free(result); + return 0; +} + +int db_sync_equipment(struct gsm_equipment *equip) +{ + dbi_result result; + unsigned char *cm2, *cm3; + char *q_imei; + uint8_t classmark1; + + memcpy(&classmark1, &equip->classmark1, sizeof(classmark1)); + DEBUGP(DDB, "Sync Equipment IMEI=%s, classmark1=%02x", + equip->imei, classmark1); + if (equip->classmark2_len) + DEBUGPC(DDB, ", classmark2=%s", + osmo_hexdump(equip->classmark2, equip->classmark2_len)); + if (equip->classmark3_len) + DEBUGPC(DDB, ", classmark3=%s", + osmo_hexdump(equip->classmark3, equip->classmark3_len)); + DEBUGPC(DDB, "\n"); + + dbi_conn_quote_binary_copy(conn, equip->classmark2, + equip->classmark2_len, &cm2); + dbi_conn_quote_binary_copy(conn, equip->classmark3, + equip->classmark3_len, &cm3); + dbi_conn_quote_string_copy(conn, equip->imei, &q_imei); + + result = dbi_conn_queryf(conn, + "UPDATE Equipment SET " + "updated = datetime('now'), " + "classmark1 = %u, " + "classmark2 = %s, " + "classmark3 = %s " + "WHERE imei = %s ", + classmark1, cm2, cm3, q_imei); + + free(cm2); + free(cm3); + free(q_imei); + + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to update Equipment\n"); + return -EIO; + } + + dbi_result_free(result); + return 0; +} + +int db_subscriber_expire(void *priv, void (*callback)(void *priv, long long unsigned int id)) +{ + dbi_result result; + + result = dbi_conn_query(conn, + "SELECT id " + "FROM Subscriber " + "WHERE lac != 0 AND " + "( expire_lu is NOT NULL " + "AND expire_lu < datetime('now') ) " + "LIMIT 1"); + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to get expired subscribers\n"); + return -EIO; + } + + while (dbi_result_next_row(result)) + callback(priv, dbi_result_get_ulonglong(result, "id")); + + dbi_result_free(result); + return 0; +} + +int db_subscriber_alloc_tmsi(struct gsm_subscriber *subscriber) +{ + dbi_result result = NULL; + char tmsi[14]; + char *tmsi_quoted; + + for (;;) { + if (RAND_bytes((uint8_t *) &subscriber->tmsi, sizeof(subscriber->tmsi)) != 1) { + LOGP(DDB, LOGL_ERROR, "RAND_bytes failed\n"); + return 1; + } + if (subscriber->tmsi == GSM_RESERVED_TMSI) + continue; + + sprintf(tmsi, "%u", subscriber->tmsi); + dbi_conn_quote_string_copy(conn, tmsi, &tmsi_quoted); + result = dbi_conn_queryf(conn, + "SELECT * FROM Subscriber " + "WHERE tmsi = %s ", + tmsi_quoted); + + free(tmsi_quoted); + + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to query Subscriber " + "while allocating new TMSI.\n"); + return 1; + } + if (dbi_result_get_numrows(result)) { + dbi_result_free(result); + continue; + } + if (!dbi_result_next_row(result)) { + dbi_result_free(result); + DEBUGP(DDB, "Allocated TMSI %u for IMSI %s.\n", + subscriber->tmsi, subscriber->imsi); + return db_sync_subscriber(subscriber); + } + dbi_result_free(result); + } + return 0; +} + +int db_subscriber_alloc_exten(struct gsm_subscriber *subscriber, uint64_t smin, + uint64_t smax) +{ + dbi_result result = NULL; + uint64_t try; + + for (;;) { + try = (rand() % (smax - smin + 1) + smin); + result = dbi_conn_queryf(conn, + "SELECT * FROM Subscriber " + "WHERE extension = %"PRIu64, + try + ); + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to query Subscriber " + "while allocating new extension.\n"); + return 1; + } + if (dbi_result_get_numrows(result)){ + dbi_result_free(result); + continue; + } + if (!dbi_result_next_row(result)) { + dbi_result_free(result); + break; + } + dbi_result_free(result); + } + sprintf(subscriber->extension, "%"PRIu64, try); + DEBUGP(DDB, "Allocated extension %"PRIu64 " for IMSI %s.\n", try, subscriber->imsi); + return db_sync_subscriber(subscriber); +} +/* + * try to allocate a new unique token for this subscriber and return it + * via a parameter. if the subscriber already has a token, return + * an error. + */ + +int db_subscriber_alloc_token(struct gsm_subscriber *subscriber, uint32_t *token) +{ + dbi_result result; + uint32_t try; + + for (;;) { + if (RAND_bytes((uint8_t *) &try, sizeof(try)) != 1) { + LOGP(DDB, LOGL_ERROR, "RAND_bytes failed\n"); + return 1; + } + if (!try) /* 0 is an invalid token */ + continue; + result = dbi_conn_queryf(conn, + "SELECT * FROM AuthToken " + "WHERE subscriber_id = %llu OR token = \"%08X\" ", + subscriber->id, try); + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to query AuthToken " + "while allocating new token.\n"); + return 1; + } + if (dbi_result_get_numrows(result)) { + dbi_result_free(result); + continue; + } + if (!dbi_result_next_row(result)) { + dbi_result_free(result); + break; + } + dbi_result_free(result); + } + result = dbi_conn_queryf(conn, + "INSERT INTO AuthToken " + "(subscriber_id, created, token) " + "VALUES " + "(%llu, datetime('now'), \"%08X\") ", + subscriber->id, try); + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to create token %08X for " + "IMSI %s.\n", try, subscriber->imsi); + return 1; + } + dbi_result_free(result); + *token = try; + DEBUGP(DDB, "Allocated token %08X for IMSI %s.\n", try, subscriber->imsi); + + return 0; +} + +int db_subscriber_assoc_imei(struct gsm_subscriber *subscriber, char imei[GSM23003_IMEISV_NUM_DIGITS]) +{ + unsigned long long equipment_id, watch_id; + dbi_result result; + + osmo_strlcpy(subscriber->equipment.imei, imei, sizeof(subscriber->equipment.imei)); + + result = dbi_conn_queryf(conn, + "INSERT OR IGNORE INTO Equipment " + "(imei, created, updated) " + "VALUES " + "(%s, datetime('now'), datetime('now')) ", + imei); + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to create Equipment by IMEI.\n"); + return 1; + } + + equipment_id = 0; + if (dbi_result_get_numrows_affected(result)) { + equipment_id = dbi_conn_sequence_last(conn, NULL); + } + dbi_result_free(result); + + if (equipment_id) + DEBUGP(DDB, "New Equipment: ID %llu, IMEI %s\n", equipment_id, imei); + else { + result = dbi_conn_queryf(conn, + "SELECT id FROM Equipment " + "WHERE imei = %s ", + imei + ); + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to query Equipment by IMEI.\n"); + return 1; + } + if (!dbi_result_next_row(result)) { + LOGP(DDB, LOGL_ERROR, "Failed to find the Equipment.\n"); + dbi_result_free(result); + return 1; + } + equipment_id = dbi_result_get_ulonglong(result, "id"); + dbi_result_free(result); + } + + result = dbi_conn_queryf(conn, + "INSERT OR IGNORE INTO EquipmentWatch " + "(subscriber_id, equipment_id, created, updated) " + "VALUES " + "(%llu, %llu, datetime('now'), datetime('now')) ", + subscriber->id, equipment_id); + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to create EquipmentWatch.\n"); + return 1; + } + + watch_id = 0; + if (dbi_result_get_numrows_affected(result)) + watch_id = dbi_conn_sequence_last(conn, NULL); + + dbi_result_free(result); + if (watch_id) + DEBUGP(DDB, "New EquipmentWatch: ID %llu, IMSI %s, IMEI %s\n", + equipment_id, subscriber->imsi, imei); + else { + result = dbi_conn_queryf(conn, + "UPDATE EquipmentWatch " + "SET updated = datetime('now') " + "WHERE subscriber_id = %llu AND equipment_id = %llu ", + subscriber->id, equipment_id); + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to update EquipmentWatch.\n"); + return 1; + } + dbi_result_free(result); + DEBUGP(DDB, "Updated EquipmentWatch: ID %llu, IMSI %s, IMEI %s\n", + equipment_id, subscriber->imsi, imei); + } + + return 0; +} + +/* store an [unsent] SMS to the database */ +int db_sms_store(struct gsm_sms *sms) +{ + dbi_result result; + char *q_text, *q_daddr, *q_saddr; + unsigned char *q_udata; + char *validity_timestamp = "2222-2-2"; + + /* FIXME: generate validity timestamp based on validity_minutes */ + + dbi_conn_quote_string_copy(conn, (char *)sms->text, &q_text); + dbi_conn_quote_string_copy(conn, (char *)sms->dst.addr, &q_daddr); + dbi_conn_quote_string_copy(conn, (char *)sms->src.addr, &q_saddr); + dbi_conn_quote_binary_copy(conn, sms->user_data, sms->user_data_len, + &q_udata); + + /* FIXME: correct validity period */ + result = dbi_conn_queryf(conn, + "INSERT INTO SMS " + "(created, valid_until, " + "reply_path_req, status_rep_req, protocol_id, " + "data_coding_scheme, ud_hdr_ind, " + "user_data, text, " + "dest_addr, dest_ton, dest_npi, " + "src_addr, src_ton, src_npi) VALUES " + "(datetime('now'), %u, " + "%u, %u, %u, " + "%u, %u, " + "%s, %s, " + "%s, %u, %u, " + "%s, %u, %u)", + validity_timestamp, + sms->reply_path_req, sms->status_rep_req, sms->protocol_id, + sms->data_coding_scheme, sms->ud_hdr_ind, + q_udata, q_text, + q_daddr, sms->dst.ton, sms->dst.npi, + q_saddr, sms->src.ton, sms->src.npi); + free(q_text); + free(q_udata); + free(q_daddr); + free(q_saddr); + + if (!result) + return -EIO; + + dbi_result_free(result); + return 0; +} + +static struct gsm_sms *sms_from_result(struct gsm_network *net, dbi_result result) +{ + struct gsm_sms *sms = sms_alloc(); + const char *text, *daddr, *saddr; + const unsigned char *user_data; + + if (!sms) + return NULL; + + sms->id = dbi_result_get_ulonglong(result, "id"); + + /* FIXME: validity */ + /* FIXME: those should all be get_uchar, but sqlite3 is braindead */ + sms->reply_path_req = dbi_result_get_ulonglong(result, "reply_path_req"); + sms->status_rep_req = dbi_result_get_ulonglong(result, "status_rep_req"); + sms->ud_hdr_ind = dbi_result_get_ulonglong(result, "ud_hdr_ind"); + sms->protocol_id = dbi_result_get_ulonglong(result, "protocol_id"); + sms->data_coding_scheme = dbi_result_get_ulonglong(result, + "data_coding_scheme"); + /* sms->msg_ref is temporary and not stored in DB */ + + sms->dst.npi = dbi_result_get_ulonglong(result, "dest_npi"); + sms->dst.ton = dbi_result_get_ulonglong(result, "dest_ton"); + daddr = dbi_result_get_string(result, "dest_addr"); + if (daddr) + osmo_strlcpy(sms->dst.addr, daddr, sizeof(sms->dst.addr)); + sms->receiver = subscr_get_by_extension(net->subscr_group, sms->dst.addr); + + sms->src.npi = dbi_result_get_ulonglong(result, "src_npi"); + sms->src.ton = dbi_result_get_ulonglong(result, "src_ton"); + saddr = dbi_result_get_string(result, "src_addr"); + if (saddr) + osmo_strlcpy(sms->src.addr, saddr, sizeof(sms->src.addr)); + + sms->user_data_len = dbi_result_get_field_length(result, "user_data"); + user_data = dbi_result_get_binary(result, "user_data"); + if (sms->user_data_len > sizeof(sms->user_data)) + sms->user_data_len = (uint8_t) sizeof(sms->user_data); + memcpy(sms->user_data, user_data, sms->user_data_len); + + text = dbi_result_get_string(result, "text"); + if (text) + osmo_strlcpy(sms->text, text, sizeof(sms->text)); + return sms; +} + +struct gsm_sms *db_sms_get(struct gsm_network *net, unsigned long long id) +{ + dbi_result result; + struct gsm_sms *sms; + + result = dbi_conn_queryf(conn, + "SELECT * FROM SMS WHERE SMS.id = %llu", id); + if (!result) + return NULL; + + if (!dbi_result_next_row(result)) { + dbi_result_free(result); + return NULL; + } + + sms = sms_from_result(net, result); + + dbi_result_free(result); + + return sms; +} + +/* retrieve the next unsent SMS with ID >= min_id */ +struct gsm_sms *db_sms_get_unsent(struct gsm_network *net, unsigned long long min_id) +{ + dbi_result result; + struct gsm_sms *sms; + + result = dbi_conn_queryf(conn, + "SELECT SMS.* " + "FROM SMS JOIN Subscriber ON " + "SMS.dest_addr = Subscriber.extension " + "WHERE SMS.id >= %llu AND SMS.sent IS NULL " + "AND Subscriber.lac > 0 " + "ORDER BY SMS.id LIMIT 1", + min_id); + if (!result) + return NULL; + + if (!dbi_result_next_row(result)) { + dbi_result_free(result); + return NULL; + } + + sms = sms_from_result(net, result); + + dbi_result_free(result); + + return sms; +} + +struct gsm_sms *db_sms_get_unsent_by_subscr(struct gsm_network *net, + unsigned long long min_subscr_id, + unsigned int failed) +{ + dbi_result result; + struct gsm_sms *sms; + + result = dbi_conn_queryf(conn, + "SELECT SMS.* " + "FROM SMS JOIN Subscriber ON " + "SMS.dest_addr = Subscriber.extension " + "WHERE Subscriber.id >= %llu AND SMS.sent IS NULL " + "AND Subscriber.lac > 0 AND SMS.deliver_attempts < %u " + "ORDER BY Subscriber.id, SMS.id LIMIT 1", + min_subscr_id, failed); + if (!result) + return NULL; + + if (!dbi_result_next_row(result)) { + dbi_result_free(result); + return NULL; + } + + sms = sms_from_result(net, result); + + dbi_result_free(result); + + return sms; +} + +/* retrieve the next unsent SMS for a given subscriber */ +struct gsm_sms *db_sms_get_unsent_for_subscr(struct gsm_subscriber *subscr) +{ + dbi_result result; + struct gsm_sms *sms; + + result = dbi_conn_queryf(conn, + "SELECT SMS.* " + "FROM SMS JOIN Subscriber ON " + "SMS.dest_addr = Subscriber.extension " + "WHERE Subscriber.id = %llu AND SMS.sent IS NULL " + "AND Subscriber.lac > 0 " + "ORDER BY SMS.id LIMIT 1", + subscr->id); + if (!result) + return NULL; + + if (!dbi_result_next_row(result)) { + dbi_result_free(result); + return NULL; + } + + sms = sms_from_result(subscr->group->net, result); + + dbi_result_free(result); + + return sms; +} + +/* mark a given SMS as delivered */ +int db_sms_mark_delivered(struct gsm_sms *sms) +{ + dbi_result result; + + result = dbi_conn_queryf(conn, + "UPDATE SMS " + "SET sent = datetime('now') " + "WHERE id = %llu", sms->id); + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to mark SMS %llu as sent.\n", sms->id); + return 1; + } + + dbi_result_free(result); + return 0; +} + +/* increase the number of attempted deliveries */ +int db_sms_inc_deliver_attempts(struct gsm_sms *sms) +{ + dbi_result result; + + result = dbi_conn_queryf(conn, + "UPDATE SMS " + "SET deliver_attempts = deliver_attempts + 1 " + "WHERE id = %llu", sms->id); + if (!result) { + LOGP(DDB, LOGL_ERROR, "Failed to inc deliver attempts for " + "SMS %llu.\n", sms->id); + return 1; + } + + dbi_result_free(result); + return 0; +} + +int db_apdu_blob_store(struct gsm_subscriber *subscr, + uint8_t apdu_id_flags, uint8_t len, + uint8_t *apdu) +{ + dbi_result result; + unsigned char *q_apdu; + + dbi_conn_quote_binary_copy(conn, apdu, len, &q_apdu); + + result = dbi_conn_queryf(conn, + "INSERT INTO ApduBlobs " + "(created,subscriber_id,apdu_id_flags,apdu) VALUES " + "(datetime('now'),%llu,%u,%s)", + subscr->id, apdu_id_flags, q_apdu); + + free(q_apdu); + + if (!result) + return -EIO; + + dbi_result_free(result); + return 0; +} + +int db_store_counter(struct osmo_counter *ctr) +{ + dbi_result result; + char *q_name; + + dbi_conn_quote_string_copy(conn, ctr->name, &q_name); + + result = dbi_conn_queryf(conn, + "INSERT INTO Counters " + "(timestamp,name,value) VALUES " + "(datetime('now'),%s,%lu)", q_name, ctr->value); + + free(q_name); + + if (!result) + return -EIO; + + dbi_result_free(result); + return 0; +} + +static int db_store_rate_ctr(struct rate_ctr_group *ctrg, unsigned int num, + char *q_prefix) +{ + dbi_result result; + char *q_name; + + dbi_conn_quote_string_copy(conn, ctrg->desc->ctr_desc[num].name, + &q_name); + + result = dbi_conn_queryf(conn, + "Insert INTO RateCounters " + "(timestamp,name,idx,value) VALUES " + "(datetime('now'),%s.%s,%u,%"PRIu64")", + q_prefix, q_name, ctrg->idx, ctrg->ctr[num].current); + + free(q_name); + + if (!result) + return -EIO; + + dbi_result_free(result); + return 0; +} + +int db_store_rate_ctr_group(struct rate_ctr_group *ctrg) +{ + unsigned int i; + char *q_prefix; + + dbi_conn_quote_string_copy(conn, ctrg->desc->group_name_prefix, &q_prefix); + + for (i = 0; i < ctrg->desc->num_ctr; i++) + db_store_rate_ctr(ctrg, i, q_prefix); + + free(q_prefix); + + return 0; +} |