/* Routine to escape the 'dangerous' characters that would otherwise
* corrupt the INSERT string: ', \, and "
*/
static const char *log_sql_dbi_escape(request_rec *r,const char *from_str, apr_pool_t *p,
logsql_dbconnection *db)
{
dbi_conn_rec *dblink = db->handle;
if (!from_str)
return NULL;
else {
char *to_str = strdup(from_str);
char *retval;
dbi_driver_quote_string(dbi_conn_get_driver(dblink->conn), &to_str);
retval = apr_pstrdup(p, to_str);
free(to_str);
return retval;
}
}
dbi_result _db_rawquery(const char *file, int line, database *db, int log_dupes, char *qry)
{
dbi_result result;
const char *errmsg;
int tries = 0;
if (debug > 4) {
LOGRAW(LOG_DEBUG, qry);
}
if (!dbi_conn_ping(db->conn)) {
if (db->conn) dbi_conn_close(db->conn);
db->conn = dbi_conn_new(db->driver);
if (db->conn == NULL) {
perror(db->driver);
exit(1);
}
dbi_conn_set_option(db->conn, "host", db->host);
dbi_conn_set_option(db->conn, "port", db->port);
dbi_conn_set_option(db->conn, "username", db->username);
dbi_conn_set_option(db->conn, "password", db->password);
dbi_conn_set_option(db->conn, "dbname", db->name);
retry:
if (++tries == 3) exit(1);
if (dbi_conn_connect(db->conn) < 0) {
dbi_conn_error(db->conn, &errmsg);
_logsrce = file;
_logline = line;
_LOG(LOG_ERR, "%s connection failed to %s:%s:%s %s", db->driver, db->host, db->port, db->name, errmsg);
sleep(3);
goto retry;
}
{
char versionstring[VERSIONSTRING_LENGTH];
dbi_driver driver;
driver = dbi_conn_get_driver(db->conn);
dbi_conn_get_engine_version_string(db->conn, versionstring);
LOG(LOG_INFO, "using driver: %s, version %s, compiled %s", dbi_driver_get_filename(driver), dbi_driver_get_version(driver),
dbi_driver_get_date_compiled(driver));
LOG(LOG_INFO, "connected to %s:%s:%s, server version %s", db->host, db->port, db->name, versionstring);
}
}
if (debug > 2) {
char *src, *dst, buf[4096];
for (dst = buf, src = qry; *src; src++, dst++) {
if (*src == '%') *dst++ = '%';
*dst = *src;
}
*dst = 0;
LOG(LOG_INFO, buf);
}
result = dbi_conn_query(db->conn, qry);
if (result == NULL) {
int ret = dbi_conn_error(db->conn, &errmsg);
_logsrce = file;
_logline = line;
_LOG(LOG_ERR, "query failed: %s (%s)", errmsg, qry);
if (ret == DBI_ERROR_NOCONN) {
dbi_conn_close(db->conn);
db->conn = NULL;
sleep(3);
goto retry;
}
}
return(result);
}
/* Connects to database */
static GSM_Error SMSDDBI_Connect(GSM_SMSDConfig * Config)
{
int rc;
struct GSM_SMSDdbobj *db = Config->db;
rc = dbi_initialize(Config->driverspath);
if (rc == 0) {
SMSD_Log(DEBUG_ERROR, Config, "DBI did not find any drivers, try using DriversPath option");
dbi_shutdown();
return ERR_DB_DRIVER;
} else if (rc < 0) {
SMSD_Log(DEBUG_ERROR, Config, "DBI failed to initialize!");
return ERR_DB_DRIVER;
}
Config->conn.dbi = dbi_conn_new(Config->driver);
if (Config->conn.dbi == NULL) {
SMSD_Log(DEBUG_ERROR, Config, "DBI failed to init %s driver!", Config->driver);
dbi_shutdown();
return ERR_DB_DRIVER;
} else {
SMSD_Log(DEBUG_SQL, Config, "Using DBI driver '%s'", dbi_driver_get_name(dbi_conn_get_driver(Config->conn.dbi)));
}
dbi_conn_error_handler(Config->conn.dbi, SMSDDBI_Callback, Config);
if (dbi_conn_set_option(Config->conn.dbi, "sqlite_dbdir", Config->dbdir) != 0) {
SMSD_Log(DEBUG_ERROR, Config, "DBI failed to set sqlite_dbdir!");
SMSDDBI_Free(Config);
return ERR_DB_CONFIG;
}
if (dbi_conn_set_option(Config->conn.dbi, "sqlite3_dbdir", Config->dbdir) != 0) {
SMSD_Log(DEBUG_ERROR, Config, "DBI failed to set sqlite3_dbdir!");
SMSDDBI_Free(Config);
return ERR_DB_CONFIG;
}
if (dbi_conn_set_option(Config->conn.dbi, "host", Config->host) != 0) {
SMSD_Log(DEBUG_ERROR, Config, "DBI failed to set host!");
SMSDDBI_Free(Config);
return ERR_DB_CONFIG;
}
if (dbi_conn_set_option(Config->conn.dbi, "username", Config->user) != 0) {
SMSD_Log(DEBUG_ERROR, Config, "DBI failed to set username!");
SMSDDBI_Free(Config);
return ERR_DB_CONFIG;
}
if (dbi_conn_set_option(Config->conn.dbi, "password", Config->password) != 0) {
SMSD_Log(DEBUG_ERROR, Config, "DBI failed to set password!");
SMSDDBI_Free(Config);
return ERR_DB_CONFIG;
}
if (dbi_conn_set_option(Config->conn.dbi, "dbname", Config->database) != 0) {
SMSD_Log(DEBUG_ERROR, Config, "DBI failed to set dbname!");
SMSDDBI_Free(Config);
return ERR_DB_CONFIG;
}
if (dbi_conn_set_option(Config->conn.dbi, "encoding", "UTF-8") != 0) {
SMSD_Log(DEBUG_ERROR, Config, "DBI failed to set encoding!");
SMSDDBI_Free(Config);
return ERR_DB_CONFIG;
}
if (dbi_conn_connect(Config->conn.dbi) != 0) {
SMSD_Log(DEBUG_ERROR, Config, "DBI failed to connect!");
SMSDDBI_Free(Config);
return ERR_DB_CONNECT;
}
Config->db = db;
return ERR_NONE;
}
/* with a little help from ap_resolve_env() ;) */
static const char *populate_querystring(const request_rec * r,
const char *querystring,
ftpd_dbi_config * conf,
ftpd_dbi_dconfig * dconf,
ftpd_dbi_rest * dbi_res, const char *user)
{
char tmp[MAX_STRING_LEN]; /* 8 KByte should be enough for everyone :) */
const char *s, *e;
char *p;
int written = 0;
tmp[0] = '\0';
if (!(s = ap_strchr_c(querystring, QUERYSTRING_MAGIC_CHAR)))
return querystring;
do {
written += (s - querystring);
if (written >= MAX_STRING_LEN) {
ap_log_perror(APLOG_MARK, APLOG_ERR, 0, r->pool,
"[mod_ftpd_dbi.c] Populated string would exceed %d bytes",
MAX_STRING_LEN);
return NULL;
}
strncat(tmp, querystring, s - querystring);
if ((s[1] == QUERYSTRING_LEFT_DELIM_CHAR)
&& (e = ap_strchr_c(s, QUERYSTRING_RIGHT_DELIM_CHAR))) {
const char *e2 = e;
char *var;
p = NULL;
querystring = e + 1;
e = NULL;
var = apr_pstrndup(r->pool, s + 2, e2 - (s + 2));
if (!strcasecmp(var, "GivenUsername")) {
e = (user ? user : EMPTY_VAR);
}
else if (!strcasecmp(var, "RequestHostname")) {
e = (r->hostname ? r->hostname : EMPTY_VAR);
}
else if (!strcasecmp(var, "Name")) {
e = (conf->rec.dbi_name ? conf->rec.dbi_name : EMPTY_VAR);
}
else if (!strcasecmp(var, "ConfigHostname")) {
e = (r->server->server_hostname ? r->server->
server_hostname : EMPTY_VAR);
}
/* Everything but the variable values representing fieldnames and tables gets
* escaped according to the selected driver */
if (e != NULL) {
p = strdup(e);
dbi_driver_quote_string(dbi_conn_get_driver(dbi_res->conn),
&p);
}
if (!strcasecmp(var, "UsernameField")) {
e = (conf->rec.username_field ? conf->rec.
username_field : EMPTY_VAR);
}
else if (!strcasecmp(var, "ChrootField")) {
e = (conf->rec.chroot_field ? conf->rec.
chroot_field : EMPTY_VAR);
}
else if (!strcasecmp(var, "IsActiveField")) {
e = (conf->rec.isactive_field ? conf->rec.
isactive_field : EMPTY_VAR);
}
else if (!strcasecmp(var, "Table")) {
e = (conf->rec.dbi_table ? conf->rec.dbi_table : EMPTY_VAR);
}
if (e == NULL) {
ap_log_perror(APLOG_MARK, APLOG_WARNING, 0, r->pool,
"[mod_ftpd_dbi.c] Unknown variable: %s", var);
return NULL;
}
if (p == NULL) {
p = strdup(e);
}
written += strlen(p);
if (written >= MAX_STRING_LEN) {
ap_log_perror(APLOG_MARK, APLOG_ERR, 0, r->pool,
"[mod_ftpd_dbi.c] Populated string would exceed %d bytes",
MAX_STRING_LEN);
free(p);
return NULL;
}
strcat(tmp, p);
free(p);
}
else {
ap_log_perror(APLOG_MARK, APLOG_WARNING, 0, r->pool,
"[mod_ftpd_dbi.c] Invalid querystring");
return NULL;
};
} while ((s = ap_strchr_c(querystring, QUERYSTRING_MAGIC_CHAR)));
strcat(tmp, querystring);
written += strlen(querystring);
ap_log_perror(APLOG_MARK, APLOG_DEBUG, 0, r->pool,
"[mod_ftpd_dbi.c] Populated result: \"%s\" / %d chars written",
apr_pstrdup(r->pool, tmp), written);
return apr_pstrdup(r->pool, tmp);
}
