| /* (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 <osmocom/core/utils.h> |
| |
| #include <stdbool.h> |
| #include <sqlite3.h> |
| #include <string.h> |
| |
| #include <osmocom/hlr/logging.h> |
| #include <osmocom/hlr/db.h> |
| #include "db_bootstrap.h" |
| |
| /* This constant is currently duplicated in sql/hlr.sql and must be kept in sync! */ |
| #define CURRENT_SCHEMA_VERSION 5 |
| |
| #define SEL_COLUMNS \ |
| "id," \ |
| "imsi," \ |
| "msisdn," \ |
| "imei," \ |
| "vlr_number," \ |
| "sgsn_number," \ |
| "sgsn_address," \ |
| "periodic_lu_tmr," \ |
| "periodic_rau_tau_tmr," \ |
| "nam_cs," \ |
| "nam_ps," \ |
| "lmsi," \ |
| "ms_purged_cs," \ |
| "ms_purged_ps," \ |
| "last_lu_seen," \ |
| "last_lu_seen_ps," \ |
| "vlr_via_proxy," \ |
| "sgsn_via_proxy" |
| |
| static const char *stmt_sql[] = { |
| [DB_STMT_SEL_BY_IMSI] = "SELECT " SEL_COLUMNS " FROM subscriber WHERE imsi = ?", |
| [DB_STMT_SEL_BY_MSISDN] = "SELECT " SEL_COLUMNS " FROM subscriber WHERE msisdn = ?", |
| [DB_STMT_SEL_BY_ID] = "SELECT " SEL_COLUMNS " FROM subscriber WHERE id = ?", |
| [DB_STMT_SEL_BY_IMEI] = "SELECT " SEL_COLUMNS " FROM subscriber WHERE imei = ?", |
| [DB_STMT_UPD_VLR_BY_ID] = "UPDATE subscriber SET vlr_number = $number, vlr_via_proxy = $proxy WHERE id = $subscriber_id", |
| [DB_STMT_UPD_SGSN_BY_ID] = "UPDATE subscriber SET sgsn_number = $number, sgsn_via_proxy = $proxy WHERE id = $subscriber_id", |
| [DB_STMT_UPD_IMEI_BY_IMSI] = "UPDATE subscriber SET imei = $imei WHERE imsi = $imsi", |
| [DB_STMT_AUC_BY_IMSI] = |
| "SELECT id, algo_id_2g, ki, algo_id_3g, k, op, opc, sqn, ind_bitlen" |
| " FROM subscriber" |
| " LEFT JOIN auc_2g ON auc_2g.subscriber_id = subscriber.id" |
| " LEFT JOIN auc_3g ON auc_3g.subscriber_id = subscriber.id" |
| " WHERE imsi = $imsi", |
| [DB_STMT_AUC_UPD_SQN] = "UPDATE auc_3g SET sqn = $sqn WHERE subscriber_id = $subscriber_id", |
| [DB_STMT_UPD_PURGE_CS_BY_IMSI] = "UPDATE subscriber SET ms_purged_cs = $val WHERE imsi = $imsi", |
| [DB_STMT_UPD_PURGE_PS_BY_IMSI] = "UPDATE subscriber SET ms_purged_ps = $val WHERE imsi = $imsi", |
| [DB_STMT_UPD_NAM_CS_BY_IMSI] = "UPDATE subscriber SET nam_cs = $val WHERE imsi = $imsi", |
| [DB_STMT_UPD_NAM_PS_BY_IMSI] = "UPDATE subscriber SET nam_ps = $val WHERE imsi = $imsi", |
| [DB_STMT_SUBSCR_CREATE] = "INSERT INTO subscriber (imsi, nam_cs, nam_ps) VALUES ($imsi, $nam_cs, $nam_ps)", |
| [DB_STMT_DEL_BY_ID] = "DELETE FROM subscriber WHERE id = $subscriber_id", |
| [DB_STMT_SET_MSISDN_BY_IMSI] = "UPDATE subscriber SET msisdn = $msisdn WHERE imsi = $imsi", |
| [DB_STMT_DELETE_MSISDN_BY_IMSI] = "UPDATE subscriber SET msisdn = NULL WHERE imsi = $imsi", |
| [DB_STMT_AUC_2G_INSERT] = |
| "INSERT INTO auc_2g (subscriber_id, algo_id_2g, ki)" |
| " VALUES($subscriber_id, $algo_id_2g, $ki)", |
| [DB_STMT_AUC_2G_DELETE] = "DELETE FROM auc_2g WHERE subscriber_id = $subscriber_id", |
| [DB_STMT_AUC_3G_INSERT] = |
| "INSERT INTO auc_3g (subscriber_id, algo_id_3g, k, op, opc, ind_bitlen)" |
| " VALUES($subscriber_id, $algo_id_3g, $k, $op, $opc, $ind_bitlen)", |
| [DB_STMT_AUC_3G_DELETE] = "DELETE FROM auc_3g WHERE subscriber_id = $subscriber_id", |
| [DB_STMT_SET_LAST_LU_SEEN] = "UPDATE subscriber SET last_lu_seen = datetime($val, 'unixepoch') WHERE id = $subscriber_id", |
| [DB_STMT_SET_LAST_LU_SEEN_PS] = "UPDATE subscriber SET last_lu_seen_ps = datetime($val, 'unixepoch') WHERE id = $subscriber_id", |
| [DB_STMT_EXISTS_BY_IMSI] = "SELECT 1 FROM subscriber WHERE imsi = $imsi", |
| [DB_STMT_EXISTS_BY_MSISDN] = "SELECT 1 FROM subscriber WHERE msisdn = $msisdn", |
| }; |
| |
| static void sql3_error_log_cb(void *arg, int err_code, const char *msg) |
| { |
| LOGP(DDB, LOGL_ERROR, "(%d) %s\n", err_code, msg); |
| } |
| |
| static void sql3_sql_log_cb(void *arg, sqlite3 *s3, const char *stmt, int type) |
| { |
| switch (type) { |
| case 0: |
| LOGP(DDB, LOGL_DEBUG, "Opened database\n"); |
| break; |
| case 1: |
| LOGP(DDB, LOGL_DEBUG, "%s\n", stmt); |
| break; |
| case 2: |
| LOGP(DDB, LOGL_DEBUG, "Closed database\n"); |
| break; |
| default: |
| LOGP(DDB, LOGL_DEBUG, "Unknown %d\n", type); |
| break; |
| } |
| } |
| |
| /* remove bindings and reset statement to be re-executed */ |
| void db_remove_reset(sqlite3_stmt *stmt) |
| { |
| sqlite3_clear_bindings(stmt); |
| /* sqlite3_reset() just repeats an error code already evaluated during sqlite3_step(). */ |
| /* coverity[CHECKED_RETURN] */ |
| sqlite3_reset(stmt); |
| } |
| |
| /** bind text arg and do proper cleanup in case of failure. If param_name is |
| * NULL, bind to the first parameter (useful for SQL statements that have only |
| * one parameter). */ |
| bool db_bind_text(sqlite3_stmt *stmt, const char *param_name, const char *text) |
| { |
| int rc; |
| int idx = param_name ? sqlite3_bind_parameter_index(stmt, param_name) : 1; |
| if (idx < 1) { |
| LOGP(DDB, LOGL_ERROR, "Error composing SQL, cannot bind parameter '%s'\n", |
| param_name); |
| return false; |
| } |
| rc = sqlite3_bind_text(stmt, idx, text, -1, SQLITE_STATIC); |
| if (rc != SQLITE_OK) { |
| LOGP(DDB, LOGL_ERROR, "Error binding text to SQL parameter %s: %d\n", |
| param_name ? param_name : "#1", rc); |
| db_remove_reset(stmt); |
| return false; |
| } |
| return true; |
| } |
| |
| /** bind int arg and do proper cleanup in case of failure. If param_name is |
| * NULL, bind to the first parameter (useful for SQL statements that have only |
| * one parameter). */ |
| bool db_bind_int(sqlite3_stmt *stmt, const char *param_name, int nr) |
| { |
| int rc; |
| int idx = param_name ? sqlite3_bind_parameter_index(stmt, param_name) : 1; |
| if (idx < 1) { |
| LOGP(DDB, LOGL_ERROR, "Error composing SQL, cannot bind parameter '%s'\n", |
| param_name); |
| return false; |
| } |
| rc = sqlite3_bind_int(stmt, idx, nr); |
| if (rc != SQLITE_OK) { |
| LOGP(DDB, LOGL_ERROR, "Error binding int64 to SQL parameter %s: %d\n", |
| param_name ? param_name : "#1", rc); |
| db_remove_reset(stmt); |
| return false; |
| } |
| return true; |
| } |
| |
| /** bind int64 arg and do proper cleanup in case of failure. If param_name is |
| * NULL, bind to the first parameter (useful for SQL statements that have only |
| * one parameter). */ |
| bool db_bind_int64(sqlite3_stmt *stmt, const char *param_name, int64_t nr) |
| { |
| int rc; |
| int idx = param_name ? sqlite3_bind_parameter_index(stmt, param_name) : 1; |
| if (idx < 1) { |
| LOGP(DDB, LOGL_ERROR, "Error composing SQL, cannot bind parameter '%s'\n", |
| param_name); |
| return false; |
| } |
| rc = sqlite3_bind_int64(stmt, idx, nr); |
| if (rc != SQLITE_OK) { |
| LOGP(DDB, LOGL_ERROR, "Error binding int64 to SQL parameter %s: %d\n", |
| param_name ? param_name : "#1", rc); |
| db_remove_reset(stmt); |
| return false; |
| } |
| return true; |
| } |
| |
| bool db_bind_null(sqlite3_stmt *stmt, const char *param_name) |
| { |
| int rc; |
| int idx = param_name ? sqlite3_bind_parameter_index(stmt, param_name) : 1; |
| if (idx < 1) { |
| LOGP(DDB, LOGL_ERROR, "Error composing SQL, cannot bind parameter '%s'\n", |
| param_name); |
| return false; |
| } |
| rc = sqlite3_bind_null(stmt, idx); |
| if (rc != SQLITE_OK) { |
| LOGP(DDB, LOGL_ERROR, "Error binding NULL to SQL parameter %s: %d\n", |
| param_name ? param_name : "#1", rc); |
| db_remove_reset(stmt); |
| return false; |
| } |
| return true; |
| } |
| |
| void db_close(struct db_context *dbc) |
| { |
| unsigned int i; |
| int rc; |
| |
| for (i = 0; i < ARRAY_SIZE(dbc->stmt); i++) { |
| /* it is ok to call finalize on NULL */ |
| sqlite3_finalize(dbc->stmt[i]); |
| } |
| |
| /* Ask sqlite3 to close DB */ |
| rc = sqlite3_close(dbc->db); |
| if (rc != SQLITE_OK) { /* Make sure it's actually closed! */ |
| LOGP(DDB, LOGL_ERROR, "Couldn't close database: (rc=%d) %s\n", |
| rc, sqlite3_errmsg(dbc->db)); |
| } |
| |
| talloc_free(dbc); |
| } |
| |
| static int db_run_statements(struct db_context *dbc, const char **statements, size_t statements_count) |
| { |
| int rc; |
| int i; |
| for (i = 0; i < statements_count; i++) { |
| const char *stmt_str = statements[i]; |
| sqlite3_stmt *stmt; |
| |
| rc = sqlite3_prepare_v2(dbc->db, stmt_str, -1, &stmt, NULL); |
| if (rc != SQLITE_OK) { |
| LOGP(DDB, LOGL_ERROR, "Unable to prepare SQL statement '%s'\n", stmt_str); |
| return rc; |
| } |
| rc = sqlite3_step(stmt); |
| db_remove_reset(stmt); |
| sqlite3_finalize(stmt); |
| if (rc != SQLITE_DONE) { |
| LOGP(DDB, LOGL_ERROR, "SQL error: (%d) %s, during stmt '%s'", |
| rc, sqlite3_errmsg(dbc->db), stmt_str); |
| return rc; |
| } |
| } |
| return rc; |
| } |
| |
| static int db_bootstrap(struct db_context *dbc) |
| { |
| int rc = db_run_statements(dbc, stmt_bootstrap_sql, ARRAY_SIZE(stmt_bootstrap_sql)); |
| if (rc != SQLITE_DONE) { |
| LOGP(DDB, LOGL_ERROR, "Cannot bootstrap database\n"); |
| return rc; |
| } |
| return SQLITE_OK; |
| } |
| |
| /* https://www.sqlite.org/fileformat2.html#storage_of_the_sql_database_schema */ |
| static bool db_table_exists(struct db_context *dbc, const char *table_name) |
| { |
| const char *table_exists_sql = "SELECT name FROM sqlite_master WHERE type='table' AND name=?"; |
| sqlite3_stmt *stmt; |
| int rc; |
| |
| rc = sqlite3_prepare_v2(dbc->db, table_exists_sql, -1, &stmt, NULL); |
| if (rc != SQLITE_OK) { |
| LOGP(DDB, LOGL_ERROR, "Unable to prepare SQL statement '%s'\n", table_exists_sql); |
| return false; |
| } |
| |
| if (!db_bind_text(stmt, NULL, table_name)) |
| return false; |
| |
| rc = sqlite3_step(stmt); |
| db_remove_reset(stmt); |
| sqlite3_finalize(stmt); |
| return (rc == SQLITE_ROW); |
| } |
| |
| /* Indicate whether the database is initialized with tables for schema version 0. |
| * We only check for the 'subscriber' table here because Neels said so. */ |
| static bool db_is_bootstrapped_v0(struct db_context *dbc) |
| { |
| if (!db_table_exists(dbc, "subscriber")) { |
| LOGP(DDB, LOGL_DEBUG, "Table 'subscriber' not found in database '%s'\n", dbc->fname); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static int |
| db_upgrade_v1(struct db_context *dbc) |
| { |
| int rc; |
| const char *statements[] = { |
| "ALTER TABLE subscriber ADD COLUMN last_lu_seen TIMESTAMP default NULL", |
| "PRAGMA user_version = 1", |
| }; |
| |
| rc = db_run_statements(dbc, statements, ARRAY_SIZE(statements)); |
| if (rc != SQLITE_DONE) { |
| LOGP(DDB, LOGL_ERROR, "Unable to update HLR database schema to version 1\n"); |
| return rc; |
| } |
| return rc; |
| } |
| |
| static int db_upgrade_v2(struct db_context *dbc) |
| { |
| int rc; |
| const char *statements[] = { |
| "ALTER TABLE subscriber ADD COLUMN imei VARCHAR(14)", |
| "PRAGMA user_version = 2", |
| }; |
| |
| rc = db_run_statements(dbc, statements, ARRAY_SIZE(statements)); |
| if (rc != SQLITE_DONE) { |
| LOGP(DDB, LOGL_ERROR, "Unable to update HLR database schema to version 2\n"); |
| return rc; |
| } |
| return rc; |
| } |
| |
| static int db_upgrade_v3(struct db_context *dbc) |
| { |
| int rc; |
| |
| /* A newer SQLite version would allow simply 'ATLER TABLE subscriber RENAME COLUMN hlr_number TO msc_number'. |
| * This is a really expensive workaround for that in order to cover earlier SQLite versions as well: |
| * Create a new table with the new column name and copy the data over (https://www.sqlite.org/faq.html#q11). |
| */ |
| #define SUBSCR_V3_CREATE \ |
| "(\n" \ |
| "-- OsmoHLR's DB scheme is modelled roughly after TS 23.008 version 13.3.0\n" \ |
| " id INTEGER PRIMARY KEY,\n" \ |
| " -- Chapter 2.1.1.1\n" \ |
| " imsi VARCHAR(15) UNIQUE NOT NULL,\n" \ |
| " -- Chapter 2.1.2\n" \ |
| " msisdn VARCHAR(15) UNIQUE,\n" \ |
| " -- Chapter 2.2.3: Most recent / current IMEISV\n" \ |
| " imeisv VARCHAR,\n" \ |
| " -- Chapter 2.1.9: Most recent / current IMEI\n" \ |
| " imei VARCHAR(14),\n" \ |
| " -- Chapter 2.4.5\n" \ |
| " vlr_number VARCHAR(15),\n" \ |
| " -- Chapter 2.4.6\n" \ |
| " msc_number VARCHAR(15),\n" \ |
| " -- Chapter 2.4.8.1\n" \ |
| " sgsn_number VARCHAR(15),\n" \ |
| " -- Chapter 2.13.10\n" \ |
| " sgsn_address VARCHAR,\n" \ |
| " -- Chapter 2.4.8.2\n" \ |
| " ggsn_number VARCHAR(15),\n" \ |
| " -- Chapter 2.4.9.2\n" \ |
| " gmlc_number VARCHAR(15),\n" \ |
| " -- Chapter 2.4.23\n" \ |
| " smsc_number VARCHAR(15),\n" \ |
| " -- Chapter 2.4.24\n" \ |
| " periodic_lu_tmr INTEGER,\n" \ |
| " -- Chapter 2.13.115\n" \ |
| " periodic_rau_tau_tmr INTEGER,\n" \ |
| " -- Chapter 2.1.1.2: network access mode\n" \ |
| " nam_cs BOOLEAN NOT NULL DEFAULT 1,\n" \ |
| " nam_ps BOOLEAN NOT NULL DEFAULT 1,\n" \ |
| " -- Chapter 2.1.8\n" \ |
| " lmsi INTEGER,\n" \ |
| \ |
| " -- The below purged flags might not even be stored non-volatile,\n" \ |
| " -- refer to TS 23.012 Chapter 3.6.1.4\n" \ |
| " -- Chapter 2.7.5\n" \ |
| " ms_purged_cs BOOLEAN NOT NULL DEFAULT 0,\n" \ |
| " -- Chapter 2.7.6\n" \ |
| " ms_purged_ps BOOLEAN NOT NULL DEFAULT 0,\n" \ |
| \ |
| " -- Timestamp of last location update seen from subscriber\n" \ |
| " -- The value is a string which encodes a UTC timestamp in granularity of seconds.\n" \ |
| " last_lu_seen TIMESTAMP default NULL\n" \ |
| ")\n" |
| |
| #define SUBSCR_V2_COLUMN_NAMES \ |
| "id," \ |
| "imsi," \ |
| "msisdn," \ |
| "imeisv," \ |
| "imei," \ |
| "vlr_number," \ |
| "hlr_number," \ |
| "sgsn_number," \ |
| "sgsn_address," \ |
| "ggsn_number," \ |
| "gmlc_number," \ |
| "smsc_number," \ |
| "periodic_lu_tmr," \ |
| "periodic_rau_tau_tmr," \ |
| "nam_cs," \ |
| "nam_ps," \ |
| "lmsi," \ |
| "ms_purged_cs," \ |
| "ms_purged_ps," \ |
| "last_lu_seen" |
| |
| #define SUBSCR_V3_COLUMN_NAMES \ |
| "id," \ |
| "imsi," \ |
| "msisdn," \ |
| "imeisv," \ |
| "imei," \ |
| "vlr_number," \ |
| "msc_number," \ |
| "sgsn_number," \ |
| "sgsn_address," \ |
| "ggsn_number," \ |
| "gmlc_number," \ |
| "smsc_number," \ |
| "periodic_lu_tmr," \ |
| "periodic_rau_tau_tmr," \ |
| "nam_cs," \ |
| "nam_ps," \ |
| "lmsi," \ |
| "ms_purged_cs," \ |
| "ms_purged_ps," \ |
| "last_lu_seen" |
| |
| const char *statements[] = { |
| "BEGIN TRANSACTION", |
| "CREATE TEMPORARY TABLE subscriber_backup" SUBSCR_V3_CREATE, |
| "INSERT INTO subscriber_backup SELECT " SUBSCR_V2_COLUMN_NAMES " FROM subscriber", |
| "DROP TABLE subscriber", |
| "CREATE TABLE subscriber" SUBSCR_V3_CREATE, |
| "INSERT INTO subscriber SELECT " SUBSCR_V3_COLUMN_NAMES " FROM subscriber_backup", |
| "DROP TABLE subscriber_backup", |
| "COMMIT", |
| "PRAGMA user_version = 3", |
| }; |
| |
| rc = db_run_statements(dbc, statements, ARRAY_SIZE(statements)); |
| if (rc != SQLITE_DONE) { |
| LOGP(DDB, LOGL_ERROR, "Unable to update HLR database schema to version 3\n"); |
| return rc; |
| } |
| return rc; |
| } |
| |
| static int db_upgrade_v4(struct db_context *dbc) |
| { |
| int rc; |
| const char *statements[] = { |
| "ALTER TABLE subscriber ADD COLUMN last_lu_seen_ps TIMESTAMP default NULL", |
| "PRAGMA user_version = 4", |
| }; |
| |
| rc = db_run_statements(dbc, statements, ARRAY_SIZE(statements)); |
| if (rc != SQLITE_DONE) { |
| LOGP(DDB, LOGL_ERROR, "Unable to update HLR database schema to version 4\n"); |
| return rc; |
| } |
| return rc; |
| } |
| |
| static int db_upgrade_v5(struct db_context *dbc) |
| { |
| int rc; |
| const char *statements[] = { |
| "ALTER TABLE subscriber ADD COLUMN vlr_via_proxy VARCHAR", |
| "ALTER TABLE subscriber ADD COLUMN sgsn_via_proxy VARCHAR", |
| "PRAGMA user_version = 5", |
| }; |
| |
| rc = db_run_statements(dbc, statements, ARRAY_SIZE(statements)); |
| if (rc != SQLITE_DONE) { |
| LOGP(DDB, LOGL_ERROR, "Unable to update HLR database schema to version 5\n"); |
| return rc; |
| } |
| return rc; |
| } |
| |
| typedef int (*db_upgrade_func_t)(struct db_context *dbc); |
| static db_upgrade_func_t db_upgrade_path[] = { |
| db_upgrade_v1, |
| db_upgrade_v2, |
| db_upgrade_v3, |
| db_upgrade_v4, |
| db_upgrade_v5, |
| }; |
| |
| static int db_get_user_version(struct db_context *dbc) |
| { |
| const char *user_version_sql = "PRAGMA user_version"; |
| sqlite3_stmt *stmt; |
| int version, rc; |
| |
| rc = sqlite3_prepare_v2(dbc->db, user_version_sql, -1, &stmt, NULL); |
| if (rc != SQLITE_OK) { |
| LOGP(DDB, LOGL_ERROR, "Unable to prepare SQL statement '%s'\n", user_version_sql); |
| return -1; |
| } |
| rc = sqlite3_step(stmt); |
| if (rc == SQLITE_ROW) { |
| version = sqlite3_column_int(stmt, 0); |
| } else { |
| LOGP(DDB, LOGL_ERROR, "SQL statement '%s' failed: %d\n", user_version_sql, rc); |
| version = -1; |
| } |
| |
| db_remove_reset(stmt); |
| sqlite3_finalize(stmt); |
| return version; |
| } |
| |
| struct db_context *db_open(void *ctx, const char *fname, bool enable_sqlite_logging, bool allow_upgrade) |
| { |
| struct db_context *dbc = talloc_zero(ctx, struct db_context); |
| unsigned int i; |
| int rc; |
| bool has_sqlite_config_sqllog = false; |
| int version; |
| |
| LOGP(DDB, LOGL_NOTICE, "using database: %s\n", fname); |
| LOGP(DDB, LOGL_INFO, "Compiled against SQLite3 lib version %s\n", SQLITE_VERSION); |
| LOGP(DDB, LOGL_INFO, "Running with SQLite3 lib version %s\n", sqlite3_libversion()); |
| |
| #ifdef SQLITE_USE_TALLOC |
| /* Configure SQLite3 to use talloc memory allocator */ |
| rc = db_sqlite3_use_talloc(ctx); |
| if (rc == SQLITE_OK) { |
| LOGP(DDB, LOGL_NOTICE, "SQLite3 is configured to use talloc\n"); |
| } else { |
| LOGP(DDB, LOGL_ERROR, "Failed to configure SQLite3 " |
| "to use talloc, using default memory allocator\n"); |
| } |
| #endif |
| |
| dbc->fname = talloc_strdup(dbc, fname); |
| |
| for (i = 0; i < 0xfffff; i++) { |
| const char *o = sqlite3_compileoption_get(i); |
| if (!o) |
| break; |
| LOGP(DDB, LOGL_DEBUG, "SQLite3 compiled with '%s'\n", o); |
| if (!strcmp(o, "ENABLE_SQLLOG")) |
| has_sqlite_config_sqllog = true; |
| } |
| |
| if (enable_sqlite_logging) { |
| rc = sqlite3_config(SQLITE_CONFIG_LOG, sql3_error_log_cb, NULL); |
| if (rc != SQLITE_OK) |
| LOGP(DDB, LOGL_NOTICE, "Unable to set SQLite3 error log callback\n"); |
| } |
| |
| if (has_sqlite_config_sqllog) { |
| rc = sqlite3_config(SQLITE_CONFIG_SQLLOG, sql3_sql_log_cb, NULL); |
| if (rc != SQLITE_OK) |
| LOGP(DDB, LOGL_NOTICE, "Unable to set SQLite3 SQL log callback\n"); |
| } else |
| LOGP(DDB, LOGL_DEBUG, "Not setting SQL log callback:" |
| " SQLite3 compiled without support for it\n"); |
| |
| rc = sqlite3_open(dbc->fname, &dbc->db); |
| if (rc != SQLITE_OK) { |
| LOGP(DDB, LOGL_ERROR, "Unable to open DB; rc = %d\n", rc); |
| talloc_free(dbc); |
| return NULL; |
| } |
| |
| /* enable extended result codes */ |
| rc = sqlite3_extended_result_codes(dbc->db, 1); |
| if (rc != SQLITE_OK) |
| LOGP(DDB, LOGL_ERROR, "Unable to enable SQLite3 extended result codes\n"); |
| |
| char *err_msg; |
| rc = sqlite3_exec(dbc->db, "PRAGMA journal_mode=WAL; PRAGMA synchonous = NORMAL;", 0, 0, &err_msg); |
| if (rc != SQLITE_OK) { |
| LOGP(DDB, LOGL_ERROR, "Unable to set Write-Ahead Logging: %s\n", |
| err_msg); |
| sqlite3_free(err_msg); |
| } |
| |
| version = db_get_user_version(dbc); |
| if (version < 0) { |
| LOGP(DDB, LOGL_ERROR, "Unable to read user version number from database '%s'\n", dbc->fname); |
| goto out_free; |
| } |
| |
| /* An empty database will always report version zero. */ |
| if (version == 0 && !db_is_bootstrapped_v0(dbc)) { |
| LOGP(DDB, LOGL_NOTICE, "Missing database tables detected; Bootstrapping database '%s'\n", dbc->fname); |
| rc = db_bootstrap(dbc); |
| if (rc != SQLITE_OK) { |
| LOGP(DDB, LOGL_ERROR, "Failed to bootstrap DB: (rc=%d) %s\n", |
| rc, sqlite3_errmsg(dbc->db)); |
| goto out_free; |
| } |
| version = CURRENT_SCHEMA_VERSION; |
| } |
| |
| LOGP(DDB, LOGL_NOTICE, "Database '%s' has HLR DB schema version %d\n", dbc->fname, version); |
| |
| for (; allow_upgrade && (version < ARRAY_SIZE(db_upgrade_path)); version++) { |
| db_upgrade_func_t upgrade_func = db_upgrade_path[version]; |
| rc = upgrade_func(dbc); |
| if (rc != SQLITE_DONE) { |
| LOGP(DDB, LOGL_ERROR, "Failed to upgrade HLR DB schema to version %d: (rc=%d) %s\n", |
| version+1, rc, sqlite3_errmsg(dbc->db)); |
| goto out_free; |
| } |
| LOGP(DDB, LOGL_NOTICE, "Database '%s' has been upgraded to HLR DB schema version %d\n", |
| dbc->fname, version+1); |
| } |
| |
| if (version != CURRENT_SCHEMA_VERSION) { |
| if (version < CURRENT_SCHEMA_VERSION) { |
| LOGP(DDB, LOGL_NOTICE, "HLR DB schema version %d is outdated\n", version); |
| if (!allow_upgrade) { |
| LOGP(DDB, LOGL_ERROR, "Not upgrading HLR database to schema version %d; " |
| "use the --db-upgrade option to allow HLR database upgrades\n", |
| CURRENT_SCHEMA_VERSION); |
| } |
| } else |
| LOGP(DDB, LOGL_ERROR, "HLR DB schema version %d is unknown\n", version); |
| |
| goto out_free; |
| } |
| |
| /* prepare all SQL statements */ |
| for (i = 0; i < ARRAY_SIZE(dbc->stmt); i++) { |
| rc = sqlite3_prepare_v2(dbc->db, stmt_sql[i], -1, |
| &dbc->stmt[i], NULL); |
| if (rc != SQLITE_OK) { |
| LOGP(DDB, LOGL_ERROR, "Unable to prepare SQL statement '%s'\n", stmt_sql[i]); |
| goto out_free; |
| } |
| } |
| |
| return dbc; |
| out_free: |
| db_close(dbc); |
| return NULL; |
| } |