Imported Upstream version 5.0.2

1 files changed, 0 insertions, 571 deletions

diff --git a/src/libstrongswan/utils.c b/src/libstrongswan/utils.c
deleted file mode 100644
index d43a4bc2f..000000000
--- a/src/libstrongswan/utils.c
+++ /dev/null
@@ -1,571 +0,0 @@
-/*
- * Copyright (C) 2008-2012 Tobias Brunner
- * Copyright (C) 2005-2008 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.
- */
-
-#include "utils.h"
-
-#include <sys/stat.h>
-#include <string.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <inttypes.h>
-#include <stdint.h>
-#include <limits.h>
-#include <dirent.h>
-#include <time.h>
-#include <pthread.h>
-
-#include "enum.h"
-#include "debug.h"
-#include "utils/enumerator.h"
-
-ENUM(status_names, SUCCESS, NEED_MORE,
-	"SUCCESS",
-	"FAILED",
-	"OUT_OF_RES",
-	"ALREADY_DONE",
-	"NOT_SUPPORTED",
-	"INVALID_ARG",
-	"NOT_FOUND",
-	"PARSE_ERROR",
-	"VERIFY_ERROR",
-	"INVALID_STATE",
-	"DESTROY_ME",
-	"NEED_MORE",
-);
-
-/**
- * Described in header.
- */
-void *clalloc(void * pointer, size_t size)
-{
-	void *data;
-	data = malloc(size);
-
-	memcpy(data, pointer, size);
-
-	return (data);
-}
-
-/**
- * Described in header.
- */
-void memxor(u_int8_t dst[], u_int8_t src[], size_t n)
-{
-	int m, i;
-
-	/* byte wise XOR until dst aligned */
-	for (i = 0; (uintptr_t)&dst[i] % sizeof(long) && i < n; i++)
-	{
-		dst[i] ^= src[i];
-	}
-	/* try to use words if src shares an aligment with dst */
-	switch (((uintptr_t)&src[i] % sizeof(long)))
-	{
-		case 0:
-			for (m = n - sizeof(long); i <= m; i += sizeof(long))
-			{
-				*(long*)&dst[i] ^= *(long*)&src[i];
-			}
-			break;
-		case sizeof(int):
-			for (m = n - sizeof(int); i <= m; i += sizeof(int))
-			{
-				*(int*)&dst[i] ^= *(int*)&src[i];
-			}
-			break;
-		case sizeof(short):
-			for (m = n - sizeof(short); i <= m; i += sizeof(short))
-			{
-				*(short*)&dst[i] ^= *(short*)&src[i];
-			}
-			break;
-		default:
-			break;
-	}
-	/* byte wise XOR of the rest */
-	for (; i < n; i++)
-	{
-		dst[i] ^= src[i];
-	}
-}
-
-/**
- * Described in header.
- */
-void memwipe_noinline(void *ptr, size_t n)
-{
-	memwipe_inline(ptr, n);
-}
-
-/**
- * Described in header.
- */
-void *memstr(const void *haystack, const char *needle, size_t n)
-{
-	unsigned const char *pos = haystack;
-	size_t l = strlen(needle);
-	for (; n >= l; ++pos, --n)
-	{
-		if (memeq(pos, needle, l))
-		{
-			return (void*)pos;
-		}
-	}
-	return NULL;
-}
-
-/**
- * Described in header.
- */
-char* translate(char *str, const char *from, const char *to)
-{
-	char *pos = str;
-	if (strlen(from) != strlen(to))
-	{
-		return str;
-	}
-	while (pos && *pos)
-	{
-		char *match;
-		if ((match = strchr(from, *pos)) != NULL)
-		{
-			*pos = to[match - from];
-		}
-		pos++;
-	}
-	return str;
-}
-
-/**
- * Described in header.
- */
-bool mkdir_p(const char *path, mode_t mode)
-{
-	int len;
-	char *pos, full[PATH_MAX];
-	pos = full;
-	if (!path || *path == '\0')
-	{
-		return TRUE;
-	}
-	len = snprintf(full, sizeof(full)-1, "%s", path);
-	if (len < 0 || len >= sizeof(full)-1)
-	{
-		DBG1(DBG_LIB, "path string %s too long", path);
-		return FALSE;
-	}
-	/* ensure that the path ends with a '/' */
-	if (full[len-1] != '/')
-	{
-		full[len++] = '/';
-		full[len] = '\0';
-	}
-	/* skip '/' at the beginning */
-	while (*pos == '/')
-	{
-		pos++;
-	}
-	while ((pos = strchr(pos, '/')))
-	{
-		*pos = '\0';
-		if (access(full, F_OK) < 0)
-		{
-			if (mkdir(full, mode) < 0)
-			{
-				DBG1(DBG_LIB, "failed to create directory %s", full);
-				return FALSE;
-			}
-		}
-		*pos = '/';
-		pos++;
-	}
-	return TRUE;
-}
-
-
-/**
- * The size of the thread-specific error buffer
- */
-#define STRERROR_BUF_LEN 256
-
-/**
- * Key to store thread-specific error buffer
- */
-static pthread_key_t strerror_buf_key;
-
-/**
- * Only initialize the key above once
- */
-static pthread_once_t strerror_buf_key_once = PTHREAD_ONCE_INIT;
-
-/**
- * Create the key used for the thread-specific error buffer
- */
-static void create_strerror_buf_key()
-{
-	pthread_key_create(&strerror_buf_key, free);
-}
-
-/**
- * Retrieve the error buffer assigned to the current thread (or create it)
- */
-static inline char *get_strerror_buf()
-{
-	char *buf;
-
-	pthread_once(&strerror_buf_key_once, create_strerror_buf_key);
-	buf = pthread_getspecific(strerror_buf_key);
-	if (!buf)
-	{
-		buf = malloc(STRERROR_BUF_LEN);
-		pthread_setspecific(strerror_buf_key, buf);
-	}
-	return buf;
-}
-
-#ifdef HAVE_STRERROR_R
-/*
- * Described in header.
- */
-const char *safe_strerror(int errnum)
-{
-	char *buf = get_strerror_buf(), *msg;
-
-#ifdef STRERROR_R_CHAR_P
-	/* char* version which may or may not return the original buffer */
-	msg = strerror_r(errnum, buf, STRERROR_BUF_LEN);
-#else
-	/* int version returns 0 on success */
-	msg = strerror_r(errnum, buf, STRERROR_BUF_LEN) ? "Unknown error" : buf;
-#endif
-	return msg;
-}
-#else /* HAVE_STRERROR_R */
-/* we actually wan't to call strerror(3) below */
-#undef strerror
-/*
- * Described in header.
- */
-const char *safe_strerror(int errnum)
-{
-	static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-	char *buf = get_strerror_buf();
-
-	/* use a mutex to ensure calling strerror(3) is thread-safe */
-	pthread_mutex_lock(&mutex);
-	strncpy(buf, strerror(errnum), STRERROR_BUF_LEN);
-	pthread_mutex_unlock(&mutex);
-	buf[STRERROR_BUF_LEN - 1] = '\0';
-	return buf;
-}
-#endif /* HAVE_STRERROR_R */
-
-
-#ifndef HAVE_CLOSEFROM
-/**
- * Described in header.
- */
-void closefrom(int lowfd)
-{
-	char fd_dir[PATH_MAX];
-	int maxfd, fd, len;
-
-	/* try to close only open file descriptors on Linux... */
-	len = snprintf(fd_dir, sizeof(fd_dir), "/proc/%u/fd", getpid());
-	if (len > 0 && len < sizeof(fd_dir) && access(fd_dir, F_OK) == 0)
-	{
-		enumerator_t *enumerator = enumerator_create_directory(fd_dir);
-		if (enumerator)
-		{
-			char *rel;
-			while (enumerator->enumerate(enumerator, &rel, NULL, NULL))
-			{
-				fd = atoi(rel);
-				if (fd >= lowfd)
-				{
-					close(fd);
-				}
-			}
-			enumerator->destroy(enumerator);
-			return;
-		}
-	}
-
-	/* ...fall back to closing all fds otherwise */
-	maxfd = (int)sysconf(_SC_OPEN_MAX);
-	if (maxfd < 0)
-	{
-		maxfd = 256;
-	}
-	for (fd = lowfd; fd < maxfd; fd++)
-	{
-		close(fd);
-	}
-}
-#endif /* HAVE_CLOSEFROM */
-
-/**
- * Return monotonic time
- */
-time_t time_monotonic(timeval_t *tv)
-{
-#if defined(HAVE_CLOCK_GETTIME) && \
-	(defined(HAVE_CONDATTR_CLOCK_MONOTONIC) || \
-	 defined(HAVE_PTHREAD_COND_TIMEDWAIT_MONOTONIC))
-	/* as we use time_monotonic() for condvar operations, we use the
-	 * monotonic time source only if it is also supported by pthread. */
-	timespec_t ts;
-
-	if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
-	{
-		if (tv)
-		{
-			tv->tv_sec = ts.tv_sec;
-			tv->tv_usec = ts.tv_nsec / 1000;
-		}
-		return ts.tv_sec;
-	}
-#endif /* HAVE_CLOCK_GETTIME && (...) */
-	/* Fallback to non-monotonic timestamps:
-	 * On MAC OS X, creating monotonic timestamps is rather difficult. We
-	 * could use mach_absolute_time() and catch sleep/wakeup notifications.
-	 * We stick to the simpler (non-monotonic) gettimeofday() for now.
-	 * But keep in mind: we need the same time source here as in condvar! */
-	if (!tv)
-	{
-		return time(NULL);
-	}
-	if (gettimeofday(tv, NULL) != 0)
-	{	/* should actually never fail if passed pointers are valid */
-		return -1;
-	}
-	return tv->tv_sec;
-}
-
-/**
- * return null
- */
-void *return_null()
-{
-	return NULL;
-}
-
-/**
- * returns TRUE
- */
-bool return_true()
-{
-	return TRUE;
-}
-
-/**
- * returns FALSE
- */
-bool return_false()
-{
-	return FALSE;
-}
-
-/**
- * returns FAILED
- */
-status_t return_failed()
-{
-	return FAILED;
-}
-
-/**
- * nop operation
- */
-void nop()
-{
-}
-
-#ifndef HAVE_GCC_ATOMIC_OPERATIONS
-
-/**
- * We use a single mutex for all refcount variables.
- */
-static pthread_mutex_t ref_mutex = PTHREAD_MUTEX_INITIALIZER;
-
-/**
- * Increase refcount
- */
-void ref_get(refcount_t *ref)
-{
-	pthread_mutex_lock(&ref_mutex);
-	(*ref)++;
-	pthread_mutex_unlock(&ref_mutex);
-}
-
-/**
- * Decrease refcount
- */
-bool ref_put(refcount_t *ref)
-{
-	bool more_refs;
-
-	pthread_mutex_lock(&ref_mutex);
-	more_refs = --(*ref) > 0;
-	pthread_mutex_unlock(&ref_mutex);
-	return !more_refs;
-}
-
-/**
- * Single mutex for all compare and swap operations.
- */
-static pthread_mutex_t cas_mutex = PTHREAD_MUTEX_INITIALIZER;
-
-/**
- * Compare and swap if equal to old value
- */
-#define _cas_impl(name, type) \
-bool cas_##name(type *ptr, type oldval, type newval) \
-{ \
-	bool swapped; \
-	pthread_mutex_lock(&cas_mutex); \
-	if ((swapped = (*ptr == oldval))) { *ptr = newval; } \
-	pthread_mutex_unlock(&cas_mutex); \
-	return swapped; \
-}
-
-_cas_impl(bool, bool)
-_cas_impl(ptr, void*)
-
-#endif /* HAVE_GCC_ATOMIC_OPERATIONS */
-
-/**
- * Described in header.
- */
-int time_printf_hook(printf_hook_data_t *data, printf_hook_spec_t *spec,
-					 const void *const *args)
-{
-	static const char* months[] = {
-		"Jan", "Feb", "Mar", "Apr", "May", "Jun",
-		"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
-	};
-	time_t *time = *((time_t**)(args[0]));
-	bool utc = *((bool*)(args[1]));;
-	struct tm t;
-
-	if (time == UNDEFINED_TIME)
-	{
-		return print_in_hook(data, "--- -- --:--:--%s----",
-							 utc ? " UTC " : " ");
-	}
-	if (utc)
-	{
-		gmtime_r(time, &t);
-	}
-	else
-	{
-		localtime_r(time, &t);
-	}
-	return print_in_hook(data, "%s %02d %02d:%02d:%02d%s%04d",
-						 months[t.tm_mon], t.tm_mday, t.tm_hour, t.tm_min,
-						 t.tm_sec, utc ? " UTC " : " ", t.tm_year + 1900);
-}
-
-/**
- * Described in header.
- */
-int time_delta_printf_hook(printf_hook_data_t *data, printf_hook_spec_t *spec,
-						   const void *const *args)
-{
-	char* unit = "second";
-	time_t *arg1 = *((time_t**)(args[0]));
-	time_t *arg2 = *((time_t**)(args[1]));
-	u_int64_t delta = llabs(*arg1 - *arg2);
-
-	if (delta > 2 * 60 * 60 * 24)
-	{
-		delta /= 60 * 60 * 24;
-		unit = "day";
-	}
-	else if (delta > 2 * 60 * 60)
-	{
-		delta /= 60 * 60;
-		unit = "hour";
-	}
-	else if (delta > 2 * 60)
-	{
-		delta /= 60;
-		unit = "minute";
-	}
-	return print_in_hook(data, "%" PRIu64 " %s%s", delta, unit,
-						 (delta == 1) ? "" : "s");
-}
-
-/**
- * Number of bytes per line to dump raw data
- */
-#define BYTES_PER_LINE 16
-
-static char hexdig_upper[] = "0123456789ABCDEF";
-
-/**
- * Described in header.
- */
-int mem_printf_hook(printf_hook_data_t *data,
-					printf_hook_spec_t *spec, const void *const *args)
-{
-	char *bytes = *((void**)(args[0]));
-	u_int len = *((int*)(args[1]));
-
-	char buffer[BYTES_PER_LINE * 3];
-	char ascii_buffer[BYTES_PER_LINE + 1];
-	char *buffer_pos = buffer;
-	char *bytes_pos  = bytes;
-	char *bytes_roof = bytes + len;
-	int line_start = 0;
-	int i = 0;
-	int written = 0;
-
-	written += print_in_hook(data, "=> %u bytes @ %p", len, bytes);
-
-	while (bytes_pos < bytes_roof)
-	{
-		*buffer_pos++ = hexdig_upper[(*bytes_pos >> 4) & 0xF];
-		*buffer_pos++ = hexdig_upper[ *bytes_pos       & 0xF];
-
-		ascii_buffer[i++] =
-				(*bytes_pos > 31 && *bytes_pos < 127) ? *bytes_pos : '.';
-
-		if (++bytes_pos == bytes_roof || i == BYTES_PER_LINE)
-		{
-			int padding = 3 * (BYTES_PER_LINE - i);
-
-			while (padding--)
-			{
-				*buffer_pos++ = ' ';
-			}
-			*buffer_pos++ = '\0';
-			ascii_buffer[i] = '\0';
-
-			written += print_in_hook(data, "\n%4d: %s  %s",
-									 line_start, buffer, ascii_buffer);
-
-			buffer_pos = buffer;
-			line_start += BYTES_PER_LINE;
-			i = 0;
-		}
-		else
-		{
-			*buffer_pos++ = ' ';
-		}
-	}
-	return written;
-}