New upstream version 2.4.0upstream/2.4.0

1 files changed, 160 insertions, 117 deletions

diff --git a/src/openvpn/otime.h b/src/openvpn/otime.h
index c0b0f38..eede63d 100644
--- a/src/openvpn/otime.h
+++ b/src/openvpn/otime.h
@@ -5,7 +5,7 @@
  *             packet encryption, packet authentication, and
  *             packet compression.
  *
- *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ *  Copyright (C) 2002-2017 OpenVPN Technologies, Inc. <sales@openvpn.net>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2
@@ -31,205 +31,244 @@
 
 struct frequency_limit
 {
-  int max;
-  int per;
-  int n;
-  time_t reset;
+    int max;
+    int per;
+    int n;
+    time_t reset;
 };
 
-struct frequency_limit *frequency_limit_init (int max, int per);
-void frequency_limit_free (struct frequency_limit *f);
-bool frequency_limit_event_allowed (struct frequency_limit *f);
+struct frequency_limit *frequency_limit_init(int max, int per);
+
+void frequency_limit_free(struct frequency_limit *f);
+
+bool frequency_limit_event_allowed(struct frequency_limit *f);
 
 /* format a time_t as ascii, or use current time if 0 */
-const char* time_string (time_t t, int usec, bool show_usec, struct gc_arena *gc);
+const char *time_string(time_t t, int usec, bool show_usec, struct gc_arena *gc);
 
 /* struct timeval functions */
 
-const char *tv_string (const struct timeval *tv, struct gc_arena *gc);
-const char *tv_string_abs (const struct timeval *tv, struct gc_arena *gc);
+const char *tv_string(const struct timeval *tv, struct gc_arena *gc);
+
+const char *tv_string_abs(const struct timeval *tv, struct gc_arena *gc);
 
 extern time_t now; /* updated frequently to time(NULL) */
 
-void time_test (void);
+void time_test(void);
 
 #if TIME_BACKTRACK_PROTECTION
 
-void update_now (const time_t system_time);
+void update_now(const time_t system_time);
 
 extern time_t now_usec;
-void update_now_usec (struct timeval *tv);
+void update_now_usec(struct timeval *tv);
 
 static inline int
-openvpn_gettimeofday (struct timeval *tv, void *tz)
+openvpn_gettimeofday(struct timeval *tv, void *tz)
 {
-  const int status = gettimeofday (tv, tz);
-  if (!status)
+    const int status = gettimeofday(tv, tz);
+    if (!status)
     {
-      update_now_usec (tv);
-      tv->tv_sec = now;
-      tv->tv_usec = now_usec;
+        update_now_usec(tv);
+        tv->tv_sec = now;
+        tv->tv_usec = now_usec;
     }
-  return status;
+    return status;
 }
 
 static inline void
-update_time (void)
+update_time(void)
 {
 #ifdef _WIN32
-  /* on _WIN32, gettimeofday is faster than time(NULL) */
-  struct timeval tv;
-  openvpn_gettimeofday (&tv, NULL);
+    /* on _WIN32, gettimeofday is faster than time(NULL) */
+    struct timeval tv;
+    openvpn_gettimeofday(&tv, NULL);
 #else
-  update_now (time (NULL));
+    update_now(time(NULL));
 #endif
 }
 
 #else /* !TIME_BACKTRACK_PROTECTION */
 
 static inline void
-update_time (void)
+update_time(void)
 {
 #if defined(_WIN32)
-  /* on _WIN32, gettimeofday is faster than time(NULL) */
-  struct timeval tv;
-  if (!gettimeofday (&tv, NULL))
+    /* on _WIN32, gettimeofday is faster than time(NULL) */
+    struct timeval tv;
+    if (!gettimeofday(&tv, NULL))
     {
-      if (tv.tv_sec != now)
-	now = tv.tv_sec;
+        if (tv.tv_sec != now)
+        {
+            now = tv.tv_sec;
+        }
+    }
+#else  /* if defined(_WIN32) */
+    const time_t real_time = time(NULL);
+    if (real_time != now)
+    {
+        now = real_time;
     }
-#else
-  const time_t real_time = time (NULL);
-  if (real_time != now)
-    now = real_time;
 #endif
 }
 
 static inline int
-openvpn_gettimeofday (struct timeval *tv, void *tz)
+openvpn_gettimeofday(struct timeval *tv, void *tz)
 {
-  return gettimeofday (tv, tz);
+    return gettimeofday(tv, tz);
 }
 
 #endif /* TIME_BACKTRACK_PROTECTION */
 
 static inline time_t
-openvpn_time (time_t *t)
+openvpn_time(time_t *t)
 {
-  update_time ();
-  if (t)
-    *t = now;
-  return now;
+    update_time();
+    if (t)
+    {
+        *t = now;
+    }
+    return now;
 }
 
 static inline void
-tv_clear (struct timeval *tv)
+tv_clear(struct timeval *tv)
 {
-  tv->tv_sec = 0;
-  tv->tv_usec = 0;
+    tv->tv_sec = 0;
+    tv->tv_usec = 0;
 }
 
 static inline bool
-tv_defined (const struct timeval *tv)
+tv_defined(const struct timeval *tv)
 {
-  return tv->tv_sec > 0 && tv->tv_usec > 0;
+    return tv->tv_sec > 0 && tv->tv_usec > 0;
 }
 
 /* return tv1 - tv2 in usec, constrained by max_seconds */
 static inline int
-tv_subtract (const struct timeval *tv1, const struct timeval *tv2, const unsigned int max_seconds)
+tv_subtract(const struct timeval *tv1, const struct timeval *tv2, const unsigned int max_seconds)
 {
-  const int max_usec = max_seconds * 1000000;
-  const int sec_diff = tv1->tv_sec - tv2->tv_sec;
-
-  if (sec_diff > ((int)max_seconds + 10))
-    return max_usec;
-  else if (sec_diff < -((int)max_seconds + 10))
-    return -max_usec;
-  return constrain_int (sec_diff * 1000000 + (tv1->tv_usec - tv2->tv_usec), -max_usec, max_usec);
+    const int max_usec = max_seconds * 1000000;
+    const int sec_diff = tv1->tv_sec - tv2->tv_sec;
+
+    if (sec_diff > ((int)max_seconds + 10))
+    {
+        return max_usec;
+    }
+    else if (sec_diff < -((int)max_seconds + 10))
+    {
+        return -max_usec;
+    }
+    return constrain_int(sec_diff * 1000000 + (tv1->tv_usec - tv2->tv_usec), -max_usec, max_usec);
 }
 
 static inline void
-tv_add (struct timeval *dest, const struct timeval *src)
+tv_add(struct timeval *dest, const struct timeval *src)
 {
-  dest->tv_sec += src->tv_sec;
-  dest->tv_usec += src->tv_usec;
-  dest->tv_sec += (dest->tv_usec >> 20);
-  dest->tv_usec &= 0x000FFFFF;
-  if (dest->tv_usec >= 1000000)
+    dest->tv_sec += src->tv_sec;
+    dest->tv_usec += src->tv_usec;
+    dest->tv_sec += (dest->tv_usec >> 20);
+    dest->tv_usec &= 0x000FFFFF;
+    if (dest->tv_usec >= 1000000)
     {
-      dest->tv_usec -= 1000000;
-      dest->tv_sec += 1;
-    } 
+        dest->tv_usec -= 1000000;
+        dest->tv_sec += 1;
+    }
 }
 
 static inline bool
-tv_lt (const struct timeval *t1, const struct timeval *t2)
+tv_lt(const struct timeval *t1, const struct timeval *t2)
 {
-  if (t1->tv_sec < t2->tv_sec)
-    return true;
-  else if (t1->tv_sec > t2->tv_sec)
-    return false;
-  else
-    return t1->tv_usec < t2->tv_usec;
+    if (t1->tv_sec < t2->tv_sec)
+    {
+        return true;
+    }
+    else if (t1->tv_sec > t2->tv_sec)
+    {
+        return false;
+    }
+    else
+    {
+        return t1->tv_usec < t2->tv_usec;
+    }
 }
 
 static inline bool
-tv_le (const struct timeval *t1, const struct timeval *t2)
+tv_le(const struct timeval *t1, const struct timeval *t2)
 {
-  if (t1->tv_sec < t2->tv_sec)
-    return true;
-  else if (t1->tv_sec > t2->tv_sec)
-    return false;
-  else
-    return t1->tv_usec <= t2->tv_usec;
+    if (t1->tv_sec < t2->tv_sec)
+    {
+        return true;
+    }
+    else if (t1->tv_sec > t2->tv_sec)
+    {
+        return false;
+    }
+    else
+    {
+        return t1->tv_usec <= t2->tv_usec;
+    }
 }
 
 static inline bool
-tv_ge (const struct timeval *t1, const struct timeval *t2)
+tv_ge(const struct timeval *t1, const struct timeval *t2)
 {
-  if (t1->tv_sec > t2->tv_sec)
-    return true;
-  else if (t1->tv_sec < t2->tv_sec)
-    return false;
-  else
-    return t1->tv_usec >= t2->tv_usec;
+    if (t1->tv_sec > t2->tv_sec)
+    {
+        return true;
+    }
+    else if (t1->tv_sec < t2->tv_sec)
+    {
+        return false;
+    }
+    else
+    {
+        return t1->tv_usec >= t2->tv_usec;
+    }
 }
 
 static inline bool
-tv_gt (const struct timeval *t1, const struct timeval *t2)
+tv_gt(const struct timeval *t1, const struct timeval *t2)
 {
-  if (t1->tv_sec > t2->tv_sec)
-    return true;
-  else if (t1->tv_sec < t2->tv_sec)
-    return false;
-  else
-    return t1->tv_usec > t2->tv_usec;
+    if (t1->tv_sec > t2->tv_sec)
+    {
+        return true;
+    }
+    else if (t1->tv_sec < t2->tv_sec)
+    {
+        return false;
+    }
+    else
+    {
+        return t1->tv_usec > t2->tv_usec;
+    }
 }
 
 static inline bool
-tv_eq (const struct timeval *t1, const struct timeval *t2)
+tv_eq(const struct timeval *t1, const struct timeval *t2)
 {
-  return t1->tv_sec == t2->tv_sec && t1->tv_usec == t2->tv_usec;
+    return t1->tv_sec == t2->tv_sec && t1->tv_usec == t2->tv_usec;
 }
 
 static inline void
-tv_delta (struct timeval *dest, const struct timeval *t1, const struct timeval *t2)
+tv_delta(struct timeval *dest, const struct timeval *t1, const struct timeval *t2)
 {
-  int sec = t2->tv_sec - t1->tv_sec;
-  int usec = t2->tv_usec - t1->tv_usec;
+    int sec = t2->tv_sec - t1->tv_sec;
+    int usec = t2->tv_usec - t1->tv_usec;
 
-  while (usec < 0)
+    while (usec < 0)
     {
-      usec += 1000000;
-      sec -= 1;
+        usec += 1000000;
+        sec -= 1;
     }
 
-  if (sec < 0)
-    usec = sec = 0;
+    if (sec < 0)
+    {
+        usec = sec = 0;
+    }
 
-  dest->tv_sec = sec;
-  dest->tv_usec = usec;
+    dest->tv_sec = sec;
+    dest->tv_usec = usec;
 }
 
 #define TV_WITHIN_SIGMA_MAX_SEC 600
@@ -239,10 +278,10 @@ tv_delta (struct timeval *dest, const struct timeval *t1, const struct timeval *
  * Is t1 and t2 within sigma microseconds of each other?
  */
 static inline bool
-tv_within_sigma (const struct timeval *t1, const struct timeval *t2, unsigned int sigma)
+tv_within_sigma(const struct timeval *t1, const struct timeval *t2, unsigned int sigma)
 {
-  const int delta = tv_subtract (t1, t2, TV_WITHIN_SIGMA_MAX_SEC); /* sigma should be less than 10 minutes */
-  return -(int)sigma <= delta && delta <= (int)sigma;
+    const int delta = tv_subtract(t1, t2, TV_WITHIN_SIGMA_MAX_SEC); /* sigma should be less than 10 minutes */
+    return -(int)sigma <= delta && delta <= (int)sigma;
 }
 
 /*
@@ -250,15 +289,19 @@ tv_within_sigma (const struct timeval *t1, const struct timeval *t2, unsigned in
  * called again.
  */
 static inline void
-interval_earliest_wakeup (interval_t *wakeup, time_t at, time_t current) {
-  if (at > current)
+interval_earliest_wakeup(interval_t *wakeup, time_t at, time_t current) {
+    if (at > current)
     {
-      const interval_t delta = (interval_t) (at - current);
-      if (delta < *wakeup)
-	*wakeup = delta;
-      if (*wakeup < 0)
-	*wakeup = 0;
+        const interval_t delta = (interval_t) (at - current);
+        if (delta < *wakeup)
+        {
+            *wakeup = delta;
+        }
+        if (*wakeup < 0)
+        {
+            *wakeup = 0;
+        }
     }
 }
 
-#endif
+#endif /* ifndef OTIME_H */