cfg->log_flags |= RSPAMD_LOG_FLAG_USEC;
}
+ /* Set default values for new log tag options */
+ if (cfg->log_max_tag_len == 0) {
+ cfg->log_max_tag_len = RSPAMD_LOG_ID_LEN; /* Default to new max size */
+ }
+ if (cfg->log_tag_strip_policy_str == NULL) {
+ cfg->log_tag_strip_policy_str = rspamd_mempool_strdup(cfg->cfg_pool, "right");
+ }
+
return rspamd_rcl_section_parse_defaults(cfg, *section, cfg->cfg_pool, obj,
(void *) cfg, err);
}
G_STRUCT_OFFSET(struct rspamd_config, log_task_max_elts),
RSPAMD_CL_FLAG_UINT,
"Maximum number of elements in task log entry (7 by default)");
+ rspamd_rcl_add_default_handler(sub,
+ "max_tag_len",
+ rspamd_rcl_parse_struct_integer,
+ G_STRUCT_OFFSET(struct rspamd_config, log_max_tag_len),
+ RSPAMD_CL_FLAG_UINT,
+ "Maximum length of log tag cannot exceed 32 (" G_STRINGIFY(RSPAMD_LOG_ID_LEN) ") by default)");
+ rspamd_rcl_add_default_handler(sub,
+ "tag_strip_policy",
+ rspamd_rcl_parse_struct_string,
+ G_STRUCT_OFFSET(struct rspamd_config, log_tag_strip_policy_str),
+ 0,
+ "Log tag strip policy when tag exceeds max length: 'right', 'left', 'middle' (right by default)");
/* Documentation only options, handled in log_handler to map flags */
rspamd_rcl_add_doc_by_path(cfg,
#include "unix-std.h"
#include "logger_private.h"
-
static rspamd_logger_t *default_logger = NULL;
static rspamd_logger_t *emergency_logger = NULL;
static struct rspamd_log_modules *log_modules = NULL;
static const char lf_chr = '\n';
unsigned int rspamd_task_log_id = (unsigned int) -1;
+
+/**
+ * Strip log tag according to the configured policy
+ * @param original_tag original log tag
+ * @param original_len length of original tag
+ * @param dest destination buffer
+ * @param max_len maximum length allowed
+ * @param policy stripping policy
+ * @return actual length of stripped tag
+ */
+static gsize
+rspamd_log_strip_tag(const char *original_tag, gsize original_len,
+ char *dest, gsize max_len,
+ enum rspamd_log_tag_strip_policy policy)
+{
+ if (original_len <= max_len) {
+ /* No stripping needed */
+ memcpy(dest, original_tag, original_len);
+ return original_len;
+ }
+
+ switch (policy) {
+ case RSPAMD_LOG_TAG_STRIP_RIGHT:
+ /* Cut right part (current behavior) */
+ memcpy(dest, original_tag, max_len);
+ return max_len;
+
+ case RSPAMD_LOG_TAG_STRIP_LEFT:
+ /* Cut left part (take last elements) */
+ memcpy(dest, original_tag + (original_len - max_len), max_len);
+ return max_len;
+
+ case RSPAMD_LOG_TAG_STRIP_MIDDLE:
+ /* Half from start and half from end */
+ if (max_len >= 2) {
+ gsize first_half = max_len / 2;
+ gsize second_half = max_len - first_half;
+
+ memcpy(dest, original_tag, first_half);
+ memcpy(dest + first_half,
+ original_tag + (original_len - second_half),
+ second_half);
+ }
+ else if (max_len == 1) {
+ /* Just take first character */
+ dest[0] = original_tag[0];
+ }
+ return max_len;
+
+ default:
+ /* Fallback to right stripping */
+ memcpy(dest, original_tag, max_len);
+ return max_len;
+ }
+}
RSPAMD_CONSTRUCTOR(rspamd_task_log_init)
{
rspamd_task_log_id = rspamd_logger_add_debug_module("task");
logger->process_type = "main";
logger->pid = getpid();
+ /* Initialize log tag configuration with defaults */
+ logger->max_log_tag_len = RSPAMD_LOG_ID_LEN; /* Keep backward compatibility default */
+ logger->log_tag_strip_policy = RSPAMD_LOG_TAG_STRIP_RIGHT;
+
const struct rspamd_logger_funcs *funcs = &console_log_funcs;
memcpy(&logger->ops, funcs, sizeof(*funcs));
logger->process_type = ptype;
logger->enabled = TRUE;
+ /* Initialize log tag configuration with defaults */
+ if (cfg && cfg->log_max_tag_len > 0) {
+ logger->max_log_tag_len = MIN(MEMPOOL_UID_LEN, cfg->log_max_tag_len);
+ }
+ else {
+ logger->max_log_tag_len = RSPAMD_LOG_ID_LEN; /* Keep backward compatibility default */
+ }
+
+ logger->log_tag_strip_policy = RSPAMD_LOG_TAG_STRIP_RIGHT;
+
+ if (cfg && cfg->log_tag_strip_policy_str) {
+ if (g_ascii_strcasecmp(cfg->log_tag_strip_policy_str, "left") == 0) {
+ logger->log_tag_strip_policy = RSPAMD_LOG_TAG_STRIP_LEFT;
+ }
+ else if (g_ascii_strcasecmp(cfg->log_tag_strip_policy_str, "middle") == 0) {
+ logger->log_tag_strip_policy = RSPAMD_LOG_TAG_STRIP_MIDDLE;
+ }
+ else {
+ logger->log_tag_strip_policy = RSPAMD_LOG_TAG_STRIP_RIGHT; /* Default */
+ }
+ }
+
/* Set up conditional logging */
if (cfg) {
if (cfg->debug_ip_map != NULL) {
}
}
+/**
+ * Process log ID with stripping policy and return the effective length
+ * @param logger logger instance with configuration
+ * @param id original log ID
+ * @param processed_id buffer to store processed ID (should be at least max_log_tag_len + 1)
+ * @return effective length of processed ID
+ */
static inline int
-rspamd_log_id_strlen(const char *id)
+rspamd_log_process_id(rspamd_logger_t *logger, const char *id, char *processed_id)
{
- for (int i = 0; i < RSPAMD_LOG_ID_LEN; i++) {
- if (G_UNLIKELY(id[i] == '\0')) {
- return i;
- }
+ if (id == NULL) {
+ return 0;
+ }
+
+ gsize original_len = strlen(id);
+ gsize max_len = MIN(MEMPOOL_UID_LEN, logger->max_log_tag_len);
+
+ if (original_len <= max_len) {
+ /* No processing needed */
+ memcpy(processed_id, id, original_len);
+ return original_len;
}
- return RSPAMD_LOG_ID_LEN;
+ /* Apply stripping policy */
+ gsize processed_len = rspamd_log_strip_tag(id, original_len, processed_id, max_len,
+ logger->log_tag_strip_policy);
+
+ return processed_len;
}
void rspamd_log_fill_iov(struct rspamd_logger_iov_ctx *iov_ctx,
if (G_UNLIKELY(log_json)) {
/* Perform JSON logging */
- unsigned int slen = id ? strlen(id) : strlen("(NULL)");
- slen = MIN(RSPAMD_LOG_ID_LEN, slen);
+ char processed_id[MEMPOOL_UID_LEN];
+ int processed_len = 0;
+
+ if (id) {
+ processed_len = rspamd_log_process_id(logger, id, processed_id);
+ }
+ else {
+ strcpy(processed_id, "(NULL)");
+ processed_len = strlen(processed_id);
+ }
+
r = rspamd_snprintf(tmpbuf, sizeof(tmpbuf), "{\"ts\": %f, "
"\"pid\": %P, "
"\"severity\": \"%s\", "
logger->pid,
rspamd_get_log_severity_string(level_flags),
logger->process_type,
- slen, id,
+ processed_len, processed_id,
module,
function);
iov_ctx->iov[0].iov_base = tmpbuf;
glong mremain, mr;
char *m;
+ char processed_id[MEMPOOL_UID_LEN];
+ int processed_len = 0;
modulebuf[0] = '\0';
mremain = sizeof(modulebuf);
m = modulebuf;
if (id != NULL) {
- mr = rspamd_snprintf(m, mremain, "<%*.s>; ", rspamd_log_id_strlen(id),
- id);
+ processed_len = rspamd_log_process_id(logger, id, processed_id);
+ mr = rspamd_snprintf(m, mremain, "<%*.s>; ", processed_len,
+ processed_id);
m += mr;
mremain -= mr;
}
iov_ctx->iov[niov].iov_base = (void *) timebuf;
iov_ctx->iov[niov++].iov_len = strlen(timebuf);
if (id != NULL) {
+ char processed_id[MEMPOOL_UID_LEN];
+ int processed_len = rspamd_log_process_id(logger, id, processed_id);
+
iov_ctx->iov[niov].iov_base = (void *) "; ";
iov_ctx->iov[niov++].iov_len = 2;
- iov_ctx->iov[niov].iov_base = (void *) id;
- iov_ctx->iov[niov++].iov_len = rspamd_log_id_strlen(id);
+ iov_ctx->iov[niov].iov_base = (void *) processed_id;
+ iov_ctx->iov[niov++].iov_len = processed_len;
iov_ctx->iov[niov].iov_base = (void *) ";";
iov_ctx->iov[niov++].iov_len = 1;
}