diff options
Diffstat (limited to 'osmo-gsup-hlr/src/db_hlr.c')
| -rw-r--r-- | osmo-gsup-hlr/src/db_hlr.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/osmo-gsup-hlr/src/db_hlr.c b/osmo-gsup-hlr/src/db_hlr.c new file mode 100644 index 0000000..5d22717 --- /dev/null +++ b/osmo-gsup-hlr/src/db_hlr.c @@ -0,0 +1,136 @@ +/* (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" + +#define LOGHLR(imsi, level, fmt, args ...) LOGP(DAUC, level, "%s: " fmt, imsi, ## args) + +#define SL3_TXT(x, stmt, idx) do { \ + const char *_txt = (const char *) sqlite3_column_text(stmt, idx); \ + if (_txt) \ + strncpy(x, _txt, sizeof(x)); \ + x[sizeof(x)-1] = '\0'; \ + } while (0) + +int db_subscr_get(struct db_context *dbc, const char *imsi, + struct hlr_subscriber *subscr) +{ + sqlite3_stmt *stmt = dbc->stmt[SEL_BY_IMSI]; + int rc, ret = 0; + + rc = sqlite3_bind_text(stmt, 1, imsi, -1, SQLITE_STATIC); + if (rc != SQLITE_OK) { + LOGHLR(imsi, LOGL_ERROR, "Error binding IMSI: %d\n", rc); + return -1; + } + + /* execute the statement */ + rc = sqlite3_step(stmt); + if (rc != SQLITE_ROW) { + LOGHLR(imsi, LOGL_ERROR, "Error executing SQL: %d\n", rc); + ret = -2; + goto out; + } + + /* obtain the various columns */ + subscr->id = sqlite3_column_int64(stmt, 0); + SL3_TXT(subscr->imsi, stmt, 1); + SL3_TXT(subscr->msisdn, stmt, 2); + SL3_TXT(subscr->vlr_number, stmt, 3); + SL3_TXT(subscr->sgsn_number, stmt, 4); + SL3_TXT(subscr->sgsn_address, stmt, 5); + subscr->periodic_lu_timer = sqlite3_column_int(stmt, 6); + subscr->periodic_rau_tau_timer = sqlite3_column_int(stmt, 7); + subscr->nam_cs = sqlite3_column_int(stmt, 8); + subscr->nam_ps = sqlite3_column_int(stmt, 9); + subscr->lmsi = sqlite3_column_int(stmt, 10); + subscr->ms_purged_cs = sqlite3_column_int(stmt, 11); + subscr->ms_purged_ps = sqlite3_column_int(stmt, 12); + +out: + /* 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 ret; +} + +int db_subscr_lu(struct db_context *dbc, + const struct hlr_subscriber *subscr, + const char *vlr_or_sgsn_number, bool lu_is_ps) +{ + sqlite3_stmt *stmt = dbc->stmt[UPD_VLR_BY_ID]; + const char *txt; + int rc, ret = 0; + + if (lu_is_ps) { + stmt = dbc->stmt[UPD_SGSN_BY_ID]; + txt = subscr->sgsn_number; + } else { + stmt = dbc->stmt[UPD_VLR_BY_ID]; + txt = subscr->vlr_number; + } + + rc = sqlite3_bind_int64(stmt, 1, subscr->id); + if (rc != SQLITE_OK) { + LOGP(DAUC, LOGL_ERROR, "Error binding ID: %d\n", rc); + return -1; + } + + rc = sqlite3_bind_text(stmt, 2, txt, -1, SQLITE_STATIC); + if (rc != SQLITE_OK) { + LOGP(DAUC, LOGL_ERROR, "Error binding VLR/SGSN Number: %d\n", rc); + ret = -2; + goto out; + } + + /* execute the statement */ + rc = sqlite3_step(stmt); + if (rc != SQLITE_DONE) { + LOGP(DAUC, LOGL_ERROR, "Error updating SQN: %d\n", rc); + ret = -3; + goto out; + } +out: + /* 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 ret; +} |