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); }