From 20c8675ba46bda97330a4117c459a59a9f1c465e Mon Sep 17 00:00:00 2001
From: Alberto Gonzalez Iniesta <agi@inittab.org>
Date: Mon, 21 Nov 2016 09:37:33 +0100
Subject: New upstream version 2.4~beta1

---
 src/openvpn/buffer.h | 38 ++++++++++++++++++++++++++++++--------
 1 file changed, 30 insertions(+), 8 deletions(-)

(limited to 'src/openvpn/buffer.h')

diff --git a/src/openvpn/buffer.h b/src/openvpn/buffer.h
index 58f0601..8070439 100644
--- a/src/openvpn/buffer.h
+++ b/src/openvpn/buffer.h
@@ -91,6 +91,18 @@ struct gc_entry
                                  *   linked list. */
 };
 
+/**
+ * Gargabe collection entry for a specially allocated structure that needs
+ * a custom free function to be freed like struct addrinfo
+ *
+ */
+struct gc_entry_special
+{
+  struct gc_entry_special *next;
+  void (*free_fnc)(void*);
+  void *addr;
+};
+
 
 /**
  * Garbage collection arena used to keep track of dynamically allocated
@@ -106,6 +118,7 @@ struct gc_arena
 {
   struct gc_entry *list;        /**< First element of the linked list of
                                  *   \c gc_entry structures. */
+  struct gc_entry_special *list_special;
 };
 
 
@@ -163,6 +176,9 @@ struct buffer string_alloc_buf (const char *str, struct gc_arena *gc);
 
 #endif
 
+void gc_addspecial (void *addr, void (*free_function)(void*), struct gc_arena *a);
+
+
 #ifdef BUF_INIT_TRACKING
 #define buf_init(buf, offset) buf_init_debug (buf, offset, __FILE__, __LINE__)
 bool buf_init_debug (struct buffer *buf, int offset, const char *file, int line);
@@ -172,6 +188,11 @@ bool buf_init_debug (struct buffer *buf, int offset, const char *file, int line)
 
 
 /* inline functions */
+inline static void
+gc_freeaddrinfo_callback (void *addr)
+{
+  freeaddrinfo((struct addrinfo*) addr);
+}
 
 static inline bool
 buf_defined (const struct buffer *buf)
@@ -382,9 +403,11 @@ bool buf_parse (struct buffer *buf, const int delim, char *line, const int size)
 /*
  * Hex dump -- Output a binary buffer to a hex string and return it.
  */
+#define FHE_SPACE_BREAK_MASK 0xFF /* space_break parameter in lower 8 bits */
+#define FHE_CAPS 0x100            /* output hex in caps */
 char *
 format_hex_ex (const uint8_t *data, int size, int maxoutput,
-	       int space_break, const char* separator,
+	       unsigned int space_break_flags, const char* separator,
 	       struct gc_arena *gc);
 
 static inline char *
@@ -781,6 +804,7 @@ void character_class_debug (void);
 void gc_transfer (struct gc_arena *dest, struct gc_arena *src);
 
 void x_gc_free (struct gc_arena *a);
+void x_gc_freespecial (struct gc_arena *a);
 
 static inline bool
 gc_defined (struct gc_arena *a)
@@ -792,6 +816,7 @@ static inline void
 gc_init (struct gc_arena *a)
 {
   a->list = NULL;
+  a->list_special = NULL;
 }
 
 static inline void
@@ -804,7 +829,7 @@ static inline struct gc_arena
 gc_new (void)
 {
   struct gc_arena ret;
-  ret.list = NULL;
+  gc_init (&ret);
   return ret;
 }
 
@@ -813,6 +838,8 @@ gc_free (struct gc_arena *a)
 {
   if (a->list)
     x_gc_free (a);
+  if (a->list_special)
+    x_gc_freespecial(a);
 }
 
 static inline void
@@ -882,9 +909,6 @@ check_malloc_return (const void *p)
 /*
  * Manage lists of buffers
  */
-
-#ifdef ENABLE_BUFFER_LIST
-
 struct buffer_entry
 {
   struct buffer buf;
@@ -912,9 +936,7 @@ void buffer_list_advance (struct buffer_list *ol, int n);
 void buffer_list_pop (struct buffer_list *ol);
 
 void buffer_list_aggregate (struct buffer_list *bl, const size_t max);
+void buffer_list_aggregate_separator (struct buffer_list *bl, const size_t max, const char *sep);
 
 struct buffer_list *buffer_list_file (const char *fn, int max_line_len);
-
-#endif
-
 #endif /* BUFFER_H */
-- 
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