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#if defined(__linux__)
#define _DEFAULT_SOURCE
#endif
#include "hybbx/security.h"
#if !defined(HYBBX_CLIENT_BUILD)
#include "hybbx/config.h"
#endif
#include "hybbx/limits.h"
#include "hybbx/util.h"
#include "hybbx/log.h"
#include <errno.h>
#include <pthread.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <time.h>
#define HYBBX_SECURITY_LINE_MAX 512u
static char g_security_dir[HYBBX_PATH_MAX];
static int g_security_ready;
static FILE *g_security_file;
static pthread_mutex_t g_security_lock = PTHREAD_MUTEX_INITIALIZER;
static int mkdir_p(const char *path)
{
char buf[HYBBX_PATH_MAX];
size_t len;
size_t i;
if (path == NULL || path[0] == '\0') {
return -1;
}
hybbx_strlcpy(buf, path, sizeof(buf));
len = strlen(buf);
while (len > 0 && buf[len - 1] == '/') {
buf[--len] = '\0';
}
for (i = 1; i < len; i++) {
if (buf[i] != '/') {
continue;
}
buf[i] = '\0';
if (buf[0] != '\0' && mkdir(buf, 0755) != 0 && errno != EEXIST) {
return -1;
}
buf[i] = '/';
}
if (mkdir(buf, 0755) != 0 && errno != EEXIST) {
return -1;
}
return 0;
}
static int security_open_file(void)
{
char path[HYBBX_PATH_MAX];
if (g_security_dir[0] == '\0') {
return -1;
}
if (g_security_file != NULL) {
return 0;
}
if (mkdir_p(g_security_dir) != 0) {
hybbx_log_warn("[security] cannot create directory %s",
g_security_dir);
return -1;
}
if (hybbx_path_join(path, sizeof(path), g_security_dir,
HYBBX_SECURITY_LOG_FILE) != HYBBX_OK) {
return -1;
}
g_security_file = fopen(path, "a");
if (g_security_file == NULL) {
hybbx_log_warn("[security] cannot open %s", path);
return -1;
}
return 0;
}
#if !defined(HYBBX_CLIENT_BUILD)
void hybbx_security_log_config_apply(const struct hybbx_config *config)
{
const char *dir_raw;
hybbx_security_log_shutdown();
g_security_dir[0] = '\0';
g_security_ready = 0;
if (config != NULL) {
dir_raw = hybbx_config_get(config, "log", "dir", NULL);
if (dir_raw != NULL && dir_raw[0] != '\0') {
if (hybbx_path_resolve(g_security_dir, sizeof(g_security_dir),
dir_raw) != HYBBX_OK) {
hybbx_log_warn("[security] invalid log dir path");
return;
}
} else {
if (hybbx_path_resolve(g_security_dir, sizeof(g_security_dir),
HYBBX_DIR_LOGS) != HYBBX_OK) {
hybbx_log_warn("[security] cannot resolve default log dir");
return;
}
}
} else if (hybbx_path_resolve(g_security_dir, sizeof(g_security_dir),
HYBBX_DIR_LOGS) != HYBBX_OK) {
return;
}
g_security_ready = 1;
if (security_open_file() != 0) {
g_security_ready = 0;
return;
}
hybbx_log_info("[security] log=%s/%s", g_security_dir, HYBBX_SECURITY_LOG_FILE);
hybbx_security_log_write("startup");
}
#else
void hybbx_security_log_config_apply(const struct hybbx_config *config)
{
(void)config;
}
#endif
void hybbx_security_log_write(const char *fmt, ...)
{
char message[HYBBX_SECURITY_LINE_MAX];
char line[HYBBX_SECURITY_LINE_MAX + 64];
char stamp[32];
va_list ap;
time_t now;
struct tm tm_buf;
struct tm *tm;
if (!g_security_ready || fmt == NULL) {
return;
}
va_start(ap, fmt);
vsnprintf(message, sizeof(message), fmt, ap);
va_end(ap);
now = time(NULL);
tm = localtime_r(&now, &tm_buf);
if (tm == NULL) {
return;
}
if (strftime(stamp, sizeof(stamp), "%Y-%m-%d %H:%M:%S", tm) == 0) {
return;
}
snprintf(line, sizeof(line), "%s %s\n", stamp, message);
pthread_mutex_lock(&g_security_lock);
if (security_open_file() == 0) {
fputs(line, g_security_file);
fflush(g_security_file);
}
pthread_mutex_unlock(&g_security_lock);
}
hybbx_result_t hybbx_security_log_current_path(char *out, size_t out_len)
{
if (out == NULL || out_len == 0) {
return HYBBX_ERR_INVALID;
}
out[0] = '\0';
if (!g_security_ready || g_security_dir[0] == '\0') {
return HYBBX_ERR_NOT_FOUND;
}
return hybbx_path_join(out, out_len, g_security_dir, HYBBX_SECURITY_LOG_FILE);
}
void hybbx_security_log_shutdown(void)
{
pthread_mutex_lock(&g_security_lock);
if (g_security_file != NULL) {
fclose(g_security_file);
g_security_file = NULL;
}
pthread_mutex_unlock(&g_security_lock);
g_security_ready = 0;
}
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