204 lines
6.6 KiB
C
204 lines
6.6 KiB
C
#pragma once
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#include <stdbool.h>
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#include <sqlite3.h>
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#include <osmocom/gsupclient/cni_peer_id.h>
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#include <osmocom/gsm/gsup.h>
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struct hlr;
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enum stmt_idx {
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DB_STMT_SEL_ALL,
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DB_STMT_SEL_ALL_ORDER_LAST_SEEN,
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DB_STMT_SEL_FILTER_MSISDN,
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DB_STMT_SEL_FILTER_IMSI,
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DB_STMT_SEL_FILTER_IMEI,
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DB_STMT_SEL_FILTER_CS,
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DB_STMT_SEL_FILTER_PS,
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DB_STMT_SEL_BY_IMSI,
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DB_STMT_SEL_BY_MSISDN,
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DB_STMT_SEL_BY_ID,
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DB_STMT_SEL_BY_IMEI,
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DB_STMT_UPD_VLR_BY_ID,
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DB_STMT_UPD_SGSN_BY_ID,
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DB_STMT_UPD_IMEI_BY_IMSI,
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DB_STMT_AUC_BY_IMSI,
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DB_STMT_AUC_UPD_SQN,
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DB_STMT_UPD_PURGE_CS_BY_IMSI,
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DB_STMT_UPD_PURGE_PS_BY_IMSI,
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DB_STMT_UPD_NAM_PS_BY_IMSI,
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DB_STMT_UPD_NAM_CS_BY_IMSI,
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DB_STMT_SUBSCR_CREATE,
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DB_STMT_DEL_BY_ID,
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DB_STMT_SET_MSISDN_BY_IMSI,
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DB_STMT_DELETE_MSISDN_BY_IMSI,
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DB_STMT_AUC_2G_INSERT,
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DB_STMT_AUC_2G_DELETE,
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DB_STMT_AUC_3G_INSERT,
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DB_STMT_AUC_3G_DELETE,
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DB_STMT_SET_LAST_LU_SEEN,
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DB_STMT_SET_LAST_LU_SEEN_PS,
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DB_STMT_EXISTS_BY_IMSI,
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DB_STMT_EXISTS_BY_MSISDN,
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DB_STMT_IND_ADD,
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DB_STMT_IND_SELECT,
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DB_STMT_IND_DEL,
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_NUM_DB_STMT
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};
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struct db_context {
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char *fname;
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sqlite3 *db;
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sqlite3_stmt *stmt[_NUM_DB_STMT];
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};
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/* Optional feature to make SQLite3 using talloc */
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#ifdef SQLITE_USE_TALLOC
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int db_sqlite3_use_talloc(void *ctx);
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#endif
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void db_remove_reset(sqlite3_stmt *stmt);
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bool db_bind_text(sqlite3_stmt *stmt, const char *param_name, const char *text);
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bool db_bind_int(sqlite3_stmt *stmt, const char *param_name, int nr);
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bool db_bind_int64(sqlite3_stmt *stmt, const char *param_name, int64_t nr);
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bool db_bind_null(sqlite3_stmt *stmt, const char *param_name);
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void db_close(struct db_context *dbc);
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struct db_context *db_open(void *ctx, const char *fname, bool enable_sqlite3_logging, bool allow_upgrades);
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#include <osmocom/crypt/auth.h>
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/* obtain the authentication data for a given imsi */
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int db_get_auth_data(struct db_context *dbc, const char *imsi,
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struct osmo_sub_auth_data *aud2g,
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struct osmo_sub_auth_data *aud3g,
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int64_t *subscr_id);
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int db_update_sqn(struct db_context *dbc, int64_t id,
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uint64_t new_sqn);
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int db_get_auc(struct db_context *dbc, const char *imsi,
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unsigned int auc_3g_ind, struct osmo_auth_vector *vec,
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unsigned int num_vec, const uint8_t *rand_auts,
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const uint8_t *auts, bool separation_bit);
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/gsm/protocol/gsm_23_003.h>
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/* TODO: Get this from somewhere? */
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#define GT_MAX_DIGITS 15
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struct hlr_subscriber {
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struct llist_head list;
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int64_t id;
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char imsi[GSM23003_IMSI_MAX_DIGITS+1];
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char msisdn[GSM23003_MSISDN_MAX_DIGITS+1];
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/* imeisv? */
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char imei[GSM23003_IMEI_NUM_DIGITS+1];
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char vlr_number[32];
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char sgsn_number[32];
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char sgsn_address[GT_MAX_DIGITS+1];
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/* ggsn number + address */
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/* gmlc number */
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/* smsc number */
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uint32_t periodic_lu_timer;
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uint32_t periodic_rau_tau_timer;
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bool nam_cs;
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bool nam_ps;
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uint32_t lmsi;
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bool ms_purged_cs;
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bool ms_purged_ps;
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time_t last_lu_seen;
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time_t last_lu_seen_ps;
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/* talloc'd IPA unit name */
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struct osmo_ipa_name vlr_via_proxy;
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struct osmo_ipa_name sgsn_via_proxy;
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};
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/* A format string for use with strptime(3). This format string is
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* used to parse the last_lu_seen column stored in the HLR database.
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* See https://sqlite.org/lang_datefunc.html, function datetime(). */
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#define DB_LAST_LU_SEEN_FMT "%Y-%m-%d %H:%M:%S"
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/* Like struct osmo_sub_auth_data, but the keys are in hexdump representation.
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* This is useful because SQLite requires them in hexdump format, and callers
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* like the VTY and CTRL interface also have them available as hexdump to begin
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* with. In the binary format, a VTY command would first need to hexparse,
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* after which the db function would again hexdump, copying to separate
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* buffers. The roundtrip can be saved by providing char* to begin with. */
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struct sub_auth_data_str {
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enum osmo_sub_auth_type type;
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enum osmo_auth_algo algo;
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union {
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struct {
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const char *opc;
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const char *k;
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uint64_t sqn;
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int opc_is_op;
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unsigned int ind_bitlen;
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} umts;
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struct {
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const char *ki;
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} gsm;
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} u;
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};
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#define DB_SUBSCR_FLAG_NAM_CS (1 << 1)
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#define DB_SUBSCR_FLAG_NAM_PS (1 << 2)
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int db_subscr_create(struct db_context *dbc, const char *imsi, uint8_t flags);
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int db_subscr_delete_by_id(struct db_context *dbc, int64_t subscr_id);
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int db_subscr_update_msisdn_by_imsi(struct db_context *dbc, const char *imsi,
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const char *msisdn);
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int db_subscr_update_aud_by_id(struct db_context *dbc, int64_t subscr_id,
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const struct sub_auth_data_str *aud);
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int db_subscr_update_imei_by_imsi(struct db_context *dbc, const char* imsi, const char *imei);
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int db_subscr_exists_by_imsi(struct db_context *dbc, const char *imsi);
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int db_subscr_exists_by_msisdn(struct db_context *dbc, const char *msisdn);
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int db_subscrs_get(struct db_context *dbc, const char *filter_type, const char *filter,
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void (*get_cb)(struct hlr_subscriber *subscr, void *data), void *data,
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int *count, const char **err);
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int db_subscr_get_by_imsi(struct db_context *dbc, const char *imsi,
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struct hlr_subscriber *subscr);
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int db_subscr_get_by_msisdn(struct db_context *dbc, const char *msisdn,
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struct hlr_subscriber *subscr);
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int db_subscr_get_by_id(struct db_context *dbc, int64_t id,
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struct hlr_subscriber *subscr);
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int db_subscr_get_by_imei(struct db_context *dbc, const char *imei, struct hlr_subscriber *subscr);
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int db_subscr_nam(struct db_context *dbc, const char *imsi, bool nam_val, bool is_ps);
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int db_subscr_lu(struct db_context *dbc, int64_t subscr_id,
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const struct osmo_ipa_name *vlr_name, bool is_ps,
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const struct osmo_ipa_name *via_proxy);
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int db_subscr_purge(struct db_context *dbc, const char *by_imsi,
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bool purge_val, bool is_ps);
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int db_ind(struct db_context *dbc, const struct osmo_cni_peer_id *vlr, unsigned int *ind);
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int db_ind_del(struct db_context *dbc, const struct osmo_cni_peer_id *vlr);
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/*! Call sqlite3_column_text() and copy result to a char[].
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* \param[out] buf A char[] used as sizeof() arg(!) and osmo_strlcpy() target.
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* \param[in] stmt An sqlite3_stmt*.
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* \param[in] idx Index in stmt's returned columns.
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*/
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#define copy_sqlite3_text_to_buf(buf, stmt, idx) \
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do { \
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const char *_txt = (const char *) sqlite3_column_text(stmt, idx); \
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osmo_strlcpy(buf, _txt, sizeof(buf)); \
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} while (0)
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/*! Call sqlite3_column_text() and copy result to a struct osmo_ipa_name.
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* \param[out] ipa_name A struct osmo_ipa_name* to write to.
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* \param[in] stmt An sqlite3_stmt*.
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* \param[in] idx Index in stmt's returned columns.
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*/
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#define copy_sqlite3_text_to_ipa_name(ipa_name, stmt, idx) \
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do { \
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const char *_txt = (const char *) sqlite3_column_text(stmt, idx); \
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osmo_ipa_name_set_str(ipa_name, _txt); \
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} while (0)
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