ConstSite ConstContext::site() const
{
const ib_site_t *ctx;
ib_status_t rc;
rc = ib_context_site_get(ib(), &ctx);
if (rc != IB_OK) {
// TODO
}
return ConstSite(ctx);
}
ConstSite ConstContext::site() const
{
const ib_site_t *site = NULL;
ib_status_t rc;
rc = ib_context_site_get(ib(), &site);
if ((rc != IB_OK) || (site == NULL)) {
// TODO
}
return ConstSite(site);
}
static ib_status_t core_audit_get_index_line(ib_engine_t *ib,
ib_auditlog_t *log,
char *line,
size_t line_size,
size_t *line_len)
{
assert(ib != NULL);
assert(log != NULL);
assert(line != NULL);
assert(line_size > 0);
assert(line_len != NULL);
assert(log->tx != NULL);
ib_core_audit_cfg_t *cfg = (ib_core_audit_cfg_t *)log->cfg_data;
ib_core_cfg_t *corecfg;
ib_tx_t *tx = log->tx;
ib_conn_t *conn = tx->conn;
const ib_site_t *site;
const ib_logformat_t *lf;
ib_status_t rc;
auditlog_callback_data_t cbdata;
/* Get the site */
rc = ib_context_site_get(log->ctx, &site);
if (rc != IB_OK) {
return rc;
}
/* Retrieve corecfg to get the AuditLogIndexFormat */
rc = ib_core_context_config(log->ctx, &corecfg);
if (rc != IB_OK) {
return rc;
}
lf = corecfg->auditlog_index_hp;
cbdata.cfg = cfg;
cbdata.log = log;
cbdata.tx = tx;
cbdata.conn = conn;
cbdata.site = site;
rc = ib_logformat_format(lf, line, line_size, line_len,
audit_add_line_item, &cbdata);
return rc;
}
ib_status_t core_audit_open_auditfile(ib_engine_t *ib,
ib_auditlog_t *log,
ib_core_audit_cfg_t *cfg,
ib_core_cfg_t *corecfg)
{
const int dtmp_sz = 64;
const int dn_sz = 512;
char *dtmp = (char *)malloc(dtmp_sz);
char *dn = (char *)malloc(dn_sz);
char *audit_filename;
size_t audit_filename_sz;
char *temp_filename;
size_t temp_filename_sz;
int fd;
const time_t log_seconds = IB_CLOCK_SECS(log->tx->t.logtime);
int sys_rc;
ib_status_t ib_rc;
struct tm gmtime_result;
const ib_site_t *site;
if (dtmp == NULL || dn == NULL) {
if (dtmp != NULL) {
free(dtmp);
}
if (dn != NULL) {
free(dn);
}
return IB_EALLOC;
}
gmtime_r(&log_seconds, &gmtime_result);
/* Generate the audit log filename template. */
if (*(corecfg->auditlog_sdir_fmt) != 0) {
size_t ret = strftime(dtmp, dtmp_sz,
corecfg->auditlog_sdir_fmt, &gmtime_result);
if (ret == 0) {
/// @todo Better error - probably should validate at cfg time
ib_log_error(log->ib,
"Failed to create audit log filename template, "
"using default:"
" name too long");
*dtmp = 0;
}
}
else {
*dtmp = 0;
}
/* Generate the full audit log directory name. */
sys_rc = snprintf(dn, dn_sz, "%s%s%s",
corecfg->auditlog_dir, (*dtmp)?"/":"", dtmp);
if (sys_rc >= dn_sz) {
/// @todo Better error.
ib_log_error(log->ib,
"Failed to create audit log directory: name too long");
free(dtmp);
free(dn);
return IB_EINVAL;
}
/* Get the site */
ib_rc = ib_context_site_get(log->ctx, &site);
if (ib_rc != IB_OK) {
free(dtmp);
free(dn);
return ib_rc;
}
/* Generate the full audit log filename. */
if (site != NULL) {
audit_filename_sz = strlen(dn) + strlen(cfg->tx->id) +
strlen(site->id) + 7;
audit_filename = (char *)ib_mm_alloc(cfg->tx->mm, audit_filename_sz);
sys_rc = snprintf(audit_filename,
audit_filename_sz,
"%s/%s_%s.log", dn, cfg->tx->id,site->id);
}
else {
audit_filename_sz = strlen(dn) + strlen(cfg->tx->id) + 6;
audit_filename = (char *)ib_mm_alloc(cfg->tx->mm, audit_filename_sz);
sys_rc = snprintf(audit_filename,
audit_filename_sz,
"%s/%s.log", dn, cfg->tx->id);
}
if (sys_rc >= (int)audit_filename_sz) {
/// @todo Better error.
ib_log_error(log->ib,
"Failed to create audit log filename: name too long");
ib_rule_log_add_audit(cfg->tx->rule_exec, audit_filename, true);
free(dtmp);
free(dn);
return IB_EINVAL;
}
ib_rc = ib_util_mkpath(dn, corecfg->auditlog_dmode);
if (ib_rc != IB_OK) {
ib_log_error(log->ib,
"Failed to create audit log dir: %s", dn);
ib_rule_log_add_audit(cfg->tx->rule_exec, audit_filename, true);
free(dtmp);
free(dn);
return ib_rc;
}
// Create temporary filename to use while writing the audit log
temp_filename_sz = strlen(audit_filename) + 6;
temp_filename = (char *)ib_mm_alloc(cfg->tx->mm, temp_filename_sz);
if (temp_filename == NULL) {
free(dtmp);
free(dn);
return IB_EALLOC;
}
sys_rc = snprintf(temp_filename,
temp_filename_sz,
"%s.part", audit_filename);
if (sys_rc >= (int)temp_filename_sz) {
/// @todo Better error.
ib_log_error(log->ib,
"Failed to create temporary audit log filename: name too long");
ib_rule_log_add_audit(cfg->tx->rule_exec, audit_filename, true);
free(dtmp);
free(dn);
return IB_EINVAL;
}
/* Open the file. Use open() & fdopen() to avoid chmod() */
fd = open(temp_filename,
(O_WRONLY|O_APPEND|O_CREAT|O_BINARY),
corecfg->auditlog_fmode);
if (fd >= 0) {
cfg->fp = fdopen(fd, "ab");
if (cfg->fp == NULL) {
close(fd);
}
}
if ( (fd < 0) || (cfg->fp == NULL) ) {
sys_rc = errno;
ib_log_error(log->ib,
"Error opening audit log \"%s\": %s (%d)",
temp_filename, strerror(sys_rc), sys_rc);
ib_rule_log_add_audit(cfg->tx->rule_exec, audit_filename, true);
free(dtmp);
free(dn);
return IB_EINVAL;
}
/* Track the relative audit log filename. */
cfg->fn = audit_filename + (strlen(corecfg->auditlog_dir) + 1);
cfg->full_path = audit_filename;
cfg->temp_path = temp_filename;
/* Log it via the rule logger */
ib_rule_log_add_audit(cfg->tx->rule_exec, audit_filename, false);
free(dtmp);
free(dn);
return IB_OK;
}
ib_status_t core_audit_get_index_line(ib_provider_inst_t *lpi,
ib_auditlog_t *log,
char *line,
int *line_size)
{
IB_FTRACE_INIT();
core_audit_cfg_t *cfg = (core_audit_cfg_t *)log->cfg_data;
ib_core_cfg_t *corecfg;
ib_tx_t *tx = log->tx;
ib_conn_t *conn = tx->conn;
ib_site_t *site = ib_context_site_get(log->ctx);
const ib_logformat_t *lf;
ib_status_t rc;
char *ptr = line;
char *tstamp = NULL;
uint8_t which;
int i = 0;
int l = 0;
int used = 0;
const char *aux = NULL;
/* Retrieve corecfg to get the AuditLogIndexFormat */
rc = ib_context_module_config(log->ctx, ib_core_module(),
(void *)&corecfg);
if (rc != IB_OK) {
IB_FTRACE_RET_STATUS(rc);
}
lf = corecfg->auditlog_index_hp;
which = lf->literal_starts ? 1 : 0;
for (; (i < lf->field_cnt || l < lf->literal_cnt) &&
used < IB_LOGFORMAT_MAXLINELEN;)
{
if (which++ % 2 == 0) {
int aux_i = 0;
switch (lf->fields[i]) {
case IB_LOG_FIELD_REMOTE_ADDR:
aux = tx->er_ipstr;
break;
case IB_LOG_FIELD_LOCAL_ADDR:
aux = conn->local_ipstr;
break;
case IB_LOG_FIELD_HOSTNAME:
aux = tx->hostname;
break;
case IB_LOG_FIELD_SITE_ID:
if (site == NULL) {
aux = (char *)"-";
}
else {
aux = site->id_str;
}
break;
case IB_LOG_FIELD_SENSOR_ID:
aux = log->ib->sensor_id_str;
break;
case IB_LOG_FIELD_TRANSACTION_ID:
aux = tx->id;
break;
case IB_LOG_FIELD_TIMESTAMP:
/* Prepare timestamp (only if needed) */
tstamp = (char *)ib_mpool_alloc(log->mp, 30);
if (tstamp == NULL) {
IB_FTRACE_RET_STATUS(IB_EALLOC);
}
ib_clock_timestamp(tstamp, &tx->tv_created);
aux = tstamp;
break;
case IB_LOG_FIELD_LOG_FILE:
aux = cfg->fn;
break;
default:
ptr[used++] = '\n';
/* Not understood */
IB_FTRACE_RET_STATUS(IB_EINVAL);
break;
}
for (; aux != NULL && aux[aux_i] != '\0';) {
if (used < IB_LOGFORMAT_MAXLINELEN) {
ptr[used++] = aux[aux_i++];
}
else {
ptr[used++] = '\n';
IB_FTRACE_RET_STATUS(IB_ETRUNC);
}
}
++i;
}
else {
/* Use literals */
if (used + lf->literals_len[l] < IB_LOGFORMAT_MAXLINELEN) {
memcpy(&ptr[used], lf->literals[l], lf->literals_len[l]);
used += lf->literals_len[l];
++l;
}
else {
/* Truncated.. */
ptr[used++] = '\n';
IB_FTRACE_RET_STATUS(IB_ETRUNC);
}
}
}
ptr[used++] = '\n';
*line_size = used;
IB_FTRACE_RET_STATUS(IB_OK);
}
ib_status_t core_audit_open_auditfile(ib_provider_inst_t *lpi,
ib_auditlog_t *log,
core_audit_cfg_t *cfg,
ib_core_cfg_t *corecfg)
{
IB_FTRACE_INIT();
const int dtmp_sz = 64;
const int dn_sz = 512;
char *dtmp = (char *)malloc(dtmp_sz);
char *dn = (char *)malloc(dn_sz);
char *audit_filename;
int audit_filename_sz;
char *temp_filename;
int temp_filename_sz;
const time_t log_seconds = IB_CLOCK_SECS(log->tx->t.logtime);
int sys_rc;
ib_status_t ib_rc;
struct tm gmtime_result;
ib_site_t *site;
if (dtmp == NULL || dn == NULL) {
ib_log_error(log->ib, "Failed to allocate internal buffers.");
if (dtmp != NULL) {
free(dtmp);
}
if (dn != NULL) {
free(dn);
}
IB_FTRACE_RET_STATUS(IB_EALLOC);
}
gmtime_r(&log_seconds, &gmtime_result);
/* Generate the audit log filename template. */
if (*(corecfg->auditlog_sdir_fmt) != 0) {
size_t ret = strftime(dtmp, dtmp_sz,
corecfg->auditlog_sdir_fmt, &gmtime_result);
if (ret == 0) {
/// @todo Better error - probably should validate at cfg time
ib_log_error(log->ib,
"Could not create audit log filename template, "
"using default:"
" too long");
*dtmp = 0;
}
}
else {
*dtmp = 0;
}
/* Generate the full audit log directory name. */
sys_rc = snprintf(dn, dn_sz, "%s%s%s",
corecfg->auditlog_dir, (*dtmp)?"/":"", dtmp);
if (sys_rc >= dn_sz) {
/// @todo Better error.
ib_log_error(log->ib,
"Could not create audit log directory: too long");
free(dtmp);
free(dn);
IB_FTRACE_RET_STATUS(IB_EINVAL);
}
/* Generate the full audit log filename. */
site = ib_context_site_get(log->ctx);
if (site != NULL) {
audit_filename_sz = strlen(dn) + strlen(cfg->tx->id) +
strlen(site->id_str) + 7;
audit_filename = (char *)ib_mpool_alloc(cfg->tx->mp, audit_filename_sz);
sys_rc = snprintf(audit_filename,
audit_filename_sz,
"%s/%s_%s.log", dn, cfg->tx->id,site->id_str);
}
else {
audit_filename_sz = strlen(dn) + strlen(cfg->tx->id) + 6;
audit_filename = (char *)ib_mpool_alloc(cfg->tx->mp, audit_filename_sz);
sys_rc = snprintf(audit_filename,
audit_filename_sz,
"%s/%s.log", dn, cfg->tx->id);
}
if (sys_rc >= (int)audit_filename_sz) {
/// @todo Better error.
ib_log_error(log->ib,
"Could not create audit log filename: too long");
free(dtmp);
free(dn);
IB_FTRACE_RET_STATUS(IB_EINVAL);
}
ib_rc = ib_util_mkpath(dn, corecfg->auditlog_dmode);
if (ib_rc != IB_OK) {
ib_log_error(log->ib,
"Could not create audit log dir: %s", dn);
free(dtmp);
free(dn);
IB_FTRACE_RET_STATUS(ib_rc);
}
// Create temporary filename to use while writing the audit log
temp_filename_sz = strlen(audit_filename) + 6;
temp_filename = (char *)ib_mpool_alloc(cfg->tx->mp, temp_filename_sz);
sys_rc = snprintf(temp_filename,
temp_filename_sz,
"%s.part", audit_filename);
if (sys_rc >= (int)temp_filename_sz) {
/// @todo Better error.
ib_log_error(log->ib,
"Could not create temporary audit log filename: too long");
free(dtmp);
free(dn);
IB_FTRACE_RET_STATUS(IB_EINVAL);
}
/// @todo Use corecfg->auditlog_fmode as file mode for new file
cfg->fp = fopen(temp_filename, "ab");
if (cfg->fp == NULL) {
sys_rc = errno;
/// @todo Better error.
ib_log_error(log->ib,
"Could not open audit log \"%s\": %s (%d)",
temp_filename, strerror(sys_rc), sys_rc);
free(dtmp);
free(dn);
IB_FTRACE_RET_STATUS(IB_EINVAL);
}
/* Track the relative audit log filename. */
cfg->fn = audit_filename + (strlen(corecfg->auditlog_dir) + 1);
cfg->full_path = audit_filename;
cfg->temp_path = temp_filename;
free(dtmp);
free(dn);
IB_FTRACE_RET_STATUS(IB_OK);
}
