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_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);
}
