Imported Upstream version 5.0.2

1 files changed, 0 insertions, 683 deletions

diff --git a/src/libstrongswan/utils.h b/src/libstrongswan/utils.h
deleted file mode 100644
index f47c65ac1..000000000
--- a/src/libstrongswan/utils.h
+++ /dev/null
@@ -1,683 +0,0 @@
-/*
- * Copyright (C) 2008-2012 Tobias Brunner
- * Copyright (C) 2008 Martin Willi
- * Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- */
-
-/**
- * @defgroup utils utils
- * @{ @ingroup libstrongswan
- */
-
-#ifndef UTILS_H_
-#define UTILS_H_
-
-#include <sys/types.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <sys/time.h>
-#include <arpa/inet.h>
-#include <string.h>
-
-#include "enum.h"
-
-/**
- * strongSwan program return codes
- */
-#define SS_RC_LIBSTRONGSWAN_INTEGRITY	64
-#define SS_RC_DAEMON_INTEGRITY			65
-#define SS_RC_INITIALIZATION_FAILED		66
-
-#define SS_RC_FIRST	SS_RC_LIBSTRONGSWAN_INTEGRITY
-#define SS_RC_LAST	SS_RC_INITIALIZATION_FAILED
-
-/**
- * Number of bits in a byte
- */
-#define BITS_PER_BYTE 8
-
-/**
- * Default length for various auxiliary text buffers
- */
-#define BUF_LEN 512
-
-/**
- * General purpose boolean type.
- */
-#ifdef HAVE_STDBOOL_H
-# include <stdbool.h>
-#else
-# ifndef HAVE__BOOL
-#  define _Bool signed char
-# endif /* HAVE__BOOL */
-# define bool _Bool
-# define false 0
-# define true 1
-# define __bool_true_false_are_defined 1
-#endif /* HAVE_STDBOOL_H */
-#ifndef FALSE
-# define FALSE false
-#endif /* FALSE */
-#ifndef TRUE
-# define TRUE  true
-#endif /* TRUE */
-
-/**
- * Helper function that compares two strings for equality
- */
-static inline bool streq(const char *x, const char *y)
-{
-	return strcmp(x, y) == 0;
-}
-
-/**
- * Macro compares two strings for equality, length limited
- */
-#define strneq(x,y,len) (strncmp(x, y, len) == 0)
-
-/**
- * Helper function that compares two strings for equality ignoring case
- */
-static inline bool strcaseeq(const char *x, const char *y)
-{
-	return strcasecmp(x, y) == 0;
-}
-
-/**
- * Macro compares two strings for equality ignoring case, length limited
- */
-#define strncaseeq(x,y,len) (strncasecmp(x, y, len) == 0)
-
-/**
- * NULL-safe strdup variant
- */
-static inline char *strdupnull(const char *s)
-{
-	return s ? strdup(s) : NULL;
-}
-
-/**
- * Macro compares two binary blobs for equality
- */
-#define memeq(x,y,len) (memcmp(x, y, len) == 0)
-
-/**
- * Macro gives back larger of two values.
- */
-#define max(x,y) ({ \
-	typeof(x) _x = (x); \
-	typeof(y) _y = (y); \
-	_x > _y ? _x : _y; })
-
-
-/**
- * Macro gives back smaller of two values.
- */
-#define min(x,y) ({ \
-	typeof(x) _x = (x); \
-	typeof(y) _y = (y); \
-	_x < _y ? _x : _y; })
-
-/**
- * Call destructor of an object, if object != NULL
- */
-#define DESTROY_IF(obj) if (obj) (obj)->destroy(obj)
-
-/**
- * Call offset destructor of an object, if object != NULL
- */
-#define DESTROY_OFFSET_IF(obj, offset) if (obj) obj->destroy_offset(obj, offset);
-
-/**
- * Call function destructor of an object, if object != NULL
- */
-#define DESTROY_FUNCTION_IF(obj, fn) if (obj) obj->destroy_function(obj, fn);
-
-/**
- * Debug macro to follow control flow
- */
-#define POS printf("%s, line %d\n", __FILE__, __LINE__)
-
-/**
- * Object allocation/initialization macro, using designated initializer.
- */
-#define INIT(this, ...) { (this) = malloc(sizeof(*(this))); \
-						   *(this) = (typeof(*(this))){ __VA_ARGS__ }; }
-
-/**
- * Method declaration/definition macro, providing private and public interface.
- *
- * Defines a method name with this as first parameter and a return value ret,
- * and an alias for this method with a _ prefix, having the this argument
- * safely casted to the public interface iface.
- * _name is provided a function pointer, but will get optimized out by GCC.
- */
-#define METHOD(iface, name, ret, this, ...) \
-	static ret name(union {iface *_public; this;} \
-	__attribute__((transparent_union)), ##__VA_ARGS__); \
-	static typeof(name) *_##name = (typeof(name)*)name; \
-	static ret name(this, ##__VA_ARGS__)
-
-/**
- * Same as METHOD(), but is defined for two public interfaces.
- */
-#define METHOD2(iface1, iface2, name, ret, this, ...) \
-	static ret name(union {iface1 *_public1; iface2 *_public2; this;} \
-	__attribute__((transparent_union)), ##__VA_ARGS__); \
-	static typeof(name) *_##name = (typeof(name)*)name; \
-	static ret name(this, ##__VA_ARGS__)
-
-/**
- * Architecture independent bitfield definition helpers (at least with GCC).
- *
- * Defines a bitfield with a type t and a fixed size of bitfield members, e.g.:
- * BITFIELD2(u_int8_t,
- *     low: 4,
- *     high: 4,
- * ) flags;
- * The member defined first placed at bit 0.
- */
-#if BYTE_ORDER == LITTLE_ENDIAN
-#define BITFIELD2(t, a, b,...)			struct { t a; t b; __VA_ARGS__}
-#define BITFIELD3(t, a, b, c,...)		struct { t a; t b; t c; __VA_ARGS__}
-#define BITFIELD4(t, a, b, c, d,...)	struct { t a; t b; t c; t d; __VA_ARGS__}
-#define BITFIELD5(t, a, b, c, d, e,...)	struct { t a; t b; t c; t d; t e; __VA_ARGS__}
-#elif BYTE_ORDER == BIG_ENDIAN
-#define BITFIELD2(t, a, b,...)			struct { t b; t a; __VA_ARGS__}
-#define BITFIELD3(t, a, b, c,...)		struct { t c; t b; t a; __VA_ARGS__}
-#define BITFIELD4(t, a, b, c, d,...)	struct { t d; t c; t b; t a; __VA_ARGS__}
-#define BITFIELD5(t, a, b, c, d, e,...)	struct { t e; t d; t c; t b; t a; __VA_ARGS__}
-#endif
-
-/**
- * Macro to allocate a sized type.
- */
-#define malloc_thing(thing) ((thing*)malloc(sizeof(thing)))
-
-/**
- * Get the number of elements in an array
- */
-#define countof(array) (sizeof(array)/sizeof(array[0]))
-
-/**
- * Ignore result of functions tagged with warn_unused_result attributes
- */
-#define ignore_result(call) { if(call){}; }
-
-/**
- * Assign a function as a class method
- */
-#define ASSIGN(method, function) (method = (typeof(method))function)
-
-/**
- * time_t not defined
- */
-#define UNDEFINED_TIME 0
-
-/**
- * Maximum time since epoch causing wrap-around on Jan 19 03:14:07 UTC 2038
- */
-#define TIME_32_BIT_SIGNED_MAX	0x7fffffff
-
-/**
- * define some missing fixed width int types on OpenSolaris.
- * TODO: since the uintXX_t types are defined by the C99 standard we should
- * probably use those anyway
- */
-#ifdef __sun
-        #include <stdint.h>
-        typedef uint8_t         u_int8_t;
-        typedef uint16_t        u_int16_t;
-        typedef uint32_t        u_int32_t;
-        typedef uint64_t        u_int64_t;
-#endif
-
-typedef enum status_t status_t;
-
-/**
- * Return values of function calls.
- */
-enum status_t {
-	/**
-	 * Call succeeded.
-	 */
-	SUCCESS,
-
-	/**
-	 * Call failed.
-	 */
-	FAILED,
-
-	/**
-	 * Out of resources.
-	 */
-	OUT_OF_RES,
-
-	/**
-	 * The suggested operation is already done
-	 */
-	ALREADY_DONE,
-
-	/**
-	 * Not supported.
-	 */
-	NOT_SUPPORTED,
-
-	/**
-	 * One of the arguments is invalid.
-	 */
-	INVALID_ARG,
-
-	/**
-	 * Something could not be found.
-	 */
-	NOT_FOUND,
-
-	/**
-	 * Error while parsing.
-	 */
-	PARSE_ERROR,
-
-	/**
-	 * Error while verifying.
-	 */
-	VERIFY_ERROR,
-
-	/**
-	 * Object in invalid state.
-	 */
-	INVALID_STATE,
-
-	/**
-	 * Destroy object which called method belongs to.
-	 */
-	DESTROY_ME,
-
-	/**
-	 * Another call to the method is required.
-	 */
-	NEED_MORE,
-};
-
-/**
- * enum_names for type status_t.
- */
-extern enum_name_t *status_names;
-
-/**
- * deprecated pluto style return value:
- * error message, NULL for success
- */
-typedef const char *err_t;
-
-/**
- * Handle struct timeval like an own type.
- */
-typedef struct timeval timeval_t;
-
-/**
- * Handle struct timespec like an own type.
- */
-typedef struct timespec timespec_t;
-
-/**
- * Handle struct chunk_t like an own type.
- */
-typedef struct sockaddr sockaddr_t;
-
-/**
- * Clone a data to a newly allocated buffer
- */
-void *clalloc(void *pointer, size_t size);
-
-/**
- * Same as memcpy, but XORs src into dst instead of copy
- */
-void memxor(u_int8_t dest[], u_int8_t src[], size_t n);
-
-/**
- * Safely overwrite n bytes of memory at ptr with zero, non-inlining variant.
- */
-void memwipe_noinline(void *ptr, size_t n);
-
-/**
- * Safely overwrite n bytes of memory at ptr with zero, inlining variant.
- */
-static inline void memwipe_inline(void *ptr, size_t n)
-{
-	volatile char *c = (volatile char*)ptr;
-	size_t m, i;
-
-	/* byte wise until long aligned */
-	for (i = 0; (uintptr_t)&c[i] % sizeof(long) && i < n; i++)
-	{
-		c[i] = 0;
-	}
-	/* word wise */
-	if (n >= sizeof(long))
-	{
-		for (m = n - sizeof(long); i <= m; i += sizeof(long))
-		{
-			*(volatile long*)&c[i] = 0;
-		}
-	}
-	/* byte wise of the rest */
-	for (; i < n; i++)
-	{
-		c[i] = 0;
-	}
-}
-
-/**
- * Safely overwrite n bytes of memory at ptr with zero, auto-inlining variant.
- */
-static inline void memwipe(void *ptr, size_t n)
-{
-	if (__builtin_constant_p(n))
-	{
-		memwipe_inline(ptr, n);
-	}
-	else
-	{
-		memwipe_noinline(ptr, n);
-	}
-}
-
-/**
- * A variant of strstr with the characteristics of memchr, where haystack is not
- * a null-terminated string but simply a memory area of length n.
- */
-void *memstr(const void *haystack, const char *needle, size_t n);
-
-/**
- * Translates the characters in the given string, searching for characters
- * in 'from' and mapping them to characters in 'to'.
- * The two characters sets 'from' and 'to' must contain the same number of
- * characters.
- */
-char *translate(char *str, const char *from, const char *to);
-
-/**
- * Creates a directory and all required parent directories.
- *
- * @param path		path to the new directory
- * @param mode		permissions of the new directory/directories
- * @return			TRUE on success
- */
-bool mkdir_p(const char *path, mode_t mode);
-
-/**
- * Thread-safe wrapper around strerror and strerror_r.
- *
- * This is required because the first is not thread-safe (on some platforms)
- * and the second uses two different signatures (POSIX/GNU) and is impractical
- * to use anyway.
- *
- * @param errnum	error code (i.e. errno)
- * @return			error message
- */
-const char *safe_strerror(int errnum);
-
-/**
- * Replace usages of strerror(3) with thread-safe variant.
- */
-#define strerror(errnum) safe_strerror(errnum)
-
-#ifndef HAVE_CLOSEFROM
-/**
- * Close open file descriptors greater than or equal to lowfd.
- *
- * @param lowfd		start closing file descriptoros from here
- */
-void closefrom(int lowfd);
-#endif
-
-/**
- * Get a timestamp from a monotonic time source.
- *
- * While the time()/gettimeofday() functions are affected by leap seconds
- * and system time changes, this function returns ever increasing monotonic
- * time stamps.
- *
- * @param tv		timeval struct receiving monotonic timestamps, or NULL
- * @return			monotonic timestamp in seconds
- */
-time_t time_monotonic(timeval_t *tv);
-
-/**
- * returns null
- */
-void *return_null();
-
-/**
- * No-Operation function
- */
-void nop();
-
-/**
- * returns TRUE
- */
-bool return_true();
-
-/**
- * returns FALSE
- */
-bool return_false();
-
-/**
- * returns FAILED
- */
-status_t return_failed();
-
-/**
- * Write a 16-bit host order value in network order to an unaligned address.
- *
- * @param host		host order 16-bit value
- * @param network	unaligned address to write network order value to
- */
-static inline void htoun16(void *network, u_int16_t host)
-{
-	char *unaligned = (char*)network;
-
-	host = htons(host);
-	memcpy(unaligned, &host, sizeof(host));
-}
-
-/**
- * Write a 32-bit host order value in network order to an unaligned address.
- *
- * @param host		host order 32-bit value
- * @param network	unaligned address to write network order value to
- */
-static inline void htoun32(void *network, u_int32_t host)
-{
-	char *unaligned = (char*)network;
-
-	host = htonl(host);
-	memcpy((char*)unaligned, &host, sizeof(host));
-}
-
-/**
- * Write a 64-bit host order value in network order to an unaligned address.
- *
- * @param host		host order 64-bit value
- * @param network	unaligned address to write network order value to
- */
-static inline void htoun64(void *network, u_int64_t host)
-{
-	char *unaligned = (char*)network;
-
-#ifdef be64toh
-	host = htobe64(host);
-	memcpy((char*)unaligned, &host, sizeof(host));
-#else
-	u_int32_t high_part, low_part;
-
-	high_part = host >> 32;
-	high_part = htonl(high_part);
-	low_part  = host & 0xFFFFFFFFLL;
-	low_part  = htonl(low_part);
-
-	memcpy(unaligned, &high_part, sizeof(high_part));
-	unaligned += sizeof(high_part);
-	memcpy(unaligned, &low_part, sizeof(low_part));
-#endif
-}
-
-/**
- * Read a 16-bit value in network order from an unaligned address to host order.
- *
- * @param network	unaligned address to read network order value from
- * @return			host order value
- */
-static inline u_int16_t untoh16(void *network)
-{
-	char *unaligned = (char*)network;
-	u_int16_t tmp;
-
-	memcpy(&tmp, unaligned, sizeof(tmp));
-	return ntohs(tmp);
-}
-
-/**
- * Read a 32-bit value in network order from an unaligned address to host order.
- *
- * @param network	unaligned address to read network order value from
- * @return			host order value
- */
-static inline u_int32_t untoh32(void *network)
-{
-	char *unaligned = (char*)network;
-	u_int32_t tmp;
-
-	memcpy(&tmp, unaligned, sizeof(tmp));
-	return ntohl(tmp);
-}
-
-/**
- * Read a 64-bit value in network order from an unaligned address to host order.
- *
- * @param network	unaligned address to read network order value from
- * @return			host order value
- */
-static inline u_int64_t untoh64(void *network)
-{
-	char *unaligned = (char*)network;
-
-#ifdef be64toh
-	u_int64_t tmp;
-
-	memcpy(&tmp, unaligned, sizeof(tmp));
-	return be64toh(tmp);
-#else
-	u_int32_t high_part, low_part;
-
-	memcpy(&high_part, unaligned, sizeof(high_part));
-	unaligned += sizeof(high_part);
-	memcpy(&low_part, unaligned, sizeof(low_part));
-
-	high_part = ntohl(high_part);
-	low_part  = ntohl(low_part);
-
-	return (((u_int64_t)high_part) << 32) + low_part;
-#endif
-}
-
-/**
- * Special type to count references
- */
-typedef volatile u_int refcount_t;
-
-
-#ifdef HAVE_GCC_ATOMIC_OPERATIONS
-
-#define ref_get(ref) {__sync_fetch_and_add(ref, 1); }
-#define ref_put(ref) (!__sync_sub_and_fetch(ref, 1))
-
-#define cas_bool(ptr, oldval, newval) \
-					(__sync_bool_compare_and_swap(ptr, oldval, newval))
-#define cas_ptr(ptr, oldval, newval) \
-					(__sync_bool_compare_and_swap(ptr, oldval, newval))
-
-#else /* !HAVE_GCC_ATOMIC_OPERATIONS */
-
-/**
- * Get a new reference.
- *
- * Increments the reference counter atomic.
- *
- * @param ref	pointer to ref counter
- */
-void ref_get(refcount_t *ref);
-
-/**
- * Put back a unused reference.
- *
- * Decrements the reference counter atomic and
- * says if more references available.
- *
- * @param ref	pointer to ref counter
- * @return		TRUE if no more references counted
- */
-bool ref_put(refcount_t *ref);
-
-/**
- * Atomically replace value of ptr with newval if it currently equals oldval.
- *
- * @param ptr		pointer to variable
- * @param oldval	old value of the variable
- * @param newval	new value set if possible
- * @return			TRUE if value equaled oldval and newval was written
- */
-bool cas_bool(bool *ptr, bool oldval, bool newval);
-
-/**
- * Atomically replace value of ptr with newval if it currently equals oldval.
- *
- * @param ptr		pointer to variable
- * @param oldval	old value of the variable
- * @param newval	new value set if possible
- * @return			TRUE if value equaled oldval and newval was written
- */
-bool cas_ptr(void **ptr, void *oldval, void *newval);
-
-#endif /* HAVE_GCC_ATOMIC_OPERATIONS */
-
-/**
- * printf hook for time_t.
- *
- * Arguments are:
- *	time_t* time, bool utc
- */
-int time_printf_hook(printf_hook_data_t *data, printf_hook_spec_t *spec,
-					 const void *const *args);
-
-/**
- * printf hook for time_t deltas.
- *
- * Arguments are:
- *	time_t* begin, time_t* end
- */
-int time_delta_printf_hook(printf_hook_data_t *data, printf_hook_spec_t *spec,
-						   const void *const *args);
-
-/**
- * printf hook for memory areas.
- *
- * Arguments are:
- *	u_char *ptr, u_int len
- */
-int mem_printf_hook(printf_hook_data_t *data, printf_hook_spec_t *spec,
-					const void *const *args);
-
-#endif /** UTILS_H_ @}*/