| /* (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 <errno.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; |
| |
| if (!db_bind_imsi(stmt, imsi)) |
| return -EINVAL; |
| |
| /* execute the statement */ |
| rc = sqlite3_step(stmt); |
| if (rc != SQLITE_ROW) { |
| LOGHLR(imsi, LOGL_ERROR, "Error executing SQL: %d\n", rc); |
| db_remove_reset(stmt); |
| return -ENOEXEC; |
| } |
| |
| if (!subscr) { |
| db_remove_reset(stmt); |
| return 0; |
| } |
| |
| /* obtain the various columns */ |
| subscr->id = sqlite3_column_int64(stmt, 0); |
| SL3_TXT(subscr->imsi, stmt, 1); |
| SL3_TXT(subscr->msisdn, stmt, 2); |
| /* FIXME: These should all be BLOBs as they might contain NUL */ |
| 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); |
| |
| db_remove_reset(stmt); |
| |
| return 0; |
| } |
| |
| int db_subscr_ps(struct db_context *dbc, const char *imsi, bool enable) |
| { |
| sqlite3_stmt *stmt = |
| dbc->stmt[enable ? SET_NAM_PS_BY_IMSI : UNSET_NAM_PS_BY_IMSI]; |
| int rc; |
| |
| if (!db_bind_imsi(stmt, imsi)) |
| return -EINVAL; |
| |
| rc = sqlite3_step(stmt); /* execute the statement */ |
| if (rc != SQLITE_DONE) { |
| LOGHLR(imsi, LOGL_ERROR, "Error executing SQL: %d\n", rc); |
| db_remove_reset(stmt); |
| return -ENOEXEC; |
| } |
| |
| rc = sqlite3_changes(dbc->db); /* verify execution result */ |
| if (rc != 1) { |
| LOGHLR(imsi, LOGL_ERROR, "SQL modified %d rows (expected 1)\n", |
| rc); |
| rc = -EINVAL; |
| } |
| |
| db_remove_reset(stmt); |
| return rc; |
| } |
| |
| 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 -EINVAL; |
| } |
| |
| 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 = -EBADMSG; |
| goto out; |
| } |
| |
| /* execute the statement */ |
| rc = sqlite3_step(stmt); |
| if (rc != SQLITE_DONE) { |
| LOGP(DAUC, LOGL_ERROR, "Error updating SQN: %d\n", rc); |
| ret = -ENOEXEC; |
| } |
| out: |
| db_remove_reset(stmt); |
| |
| return ret; |
| } |
| |
| int db_subscr_purge(struct db_context *dbc, const char *imsi, bool is_ps) |
| { |
| sqlite3_stmt *stmt = dbc->stmt[UPD_VLR_BY_ID]; |
| int rc, ret = 1; |
| |
| if (is_ps) |
| stmt = dbc->stmt[UPD_PURGE_PS_BY_IMSI]; |
| else |
| stmt = dbc->stmt[UPD_PURGE_CS_BY_IMSI]; |
| |
| if (!db_bind_imsi(stmt, imsi)) |
| return -EINVAL; |
| |
| /* execute the statement */ |
| rc = sqlite3_step(stmt); |
| if (rc != SQLITE_DONE) { |
| LOGP(DAUC, LOGL_ERROR, "Error setting Purged: %d\n", rc); |
| ret = -ENOEXEC; |
| } |
| /* FIXME: return 0 in case IMSI not known */ |
| |
| db_remove_reset(stmt); |
| |
| return ret; |
| } |