misc.c		misc.c
	/*		/*
	* misc.c - useful client functions		* misc.c - useful client functions
	*		*
	* This file is part of the SSH Library		* This file is part of the SSH Library
	*		*
	* Copyright (c) 2003 by Aris Adamantiadis		* Copyright (c) 2003-2009 by Aris Adamantiadis
	* Copyright (c) 2008-2009 by Andreas Schneider <mail@cynapses.org>		* Copyright (c) 2008-2009 by Andreas Schneider <mail@cynapses.org>
	*		*
	* The SSH Library is free software; you can redistribute it and/or modify		* The SSH Library is free software; you can redistribute it and/or modify
	* it under the terms of the GNU Lesser General Public License as published by		* it under the terms of the GNU Lesser General Public License as published by
	* the Free Software Foundation; either version 2.1 of the License, or (at your		* the Free Software Foundation; either version 2.1 of the License, or (at your
	* option) any later version.		* option) any later version.
	*		*
	* The SSH Library is distributed in the hope that it will be useful, but		* The SSH Library is distributed in the hope that it will be useful, but
	* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILI TY		* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILI TY
	* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public		* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
	* License for more details.		* License for more details.
	*		*
	* You should have received a copy of the GNU Lesser General Public License		* You should have received a copy of the GNU Lesser General Public License
	* along with the SSH Library; see the file COPYING. If not, write to		* along with the SSH Library; see the file COPYING. If not, write to
	* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,		* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
	* MA 02111-1307, USA.		* MA 02111-1307, USA.
	*/		*/
			#include "config.h"
	#include <limits.h>		#include <limits.h>
	#include <stdio.h>		#include <stdio.h>
	#include <unistd.h>
	#include <string.h>		#include <string.h>
	#include <stdlib.h>		#include <stdlib.h>
	#include <sys/stat.h>		#include <sys/stat.h>
	#include <sys/types.h>		#include <sys/types.h>
	#include "config.h"
	#ifdef _WIN32		#ifdef _WIN32
	#define _WIN32_IE 0x0400 //SHGetSpecialFolderPath		#define _WIN32_IE 0x0501 //SHGetSpecialFolderPath
			#include <winsock2.h> // Must be the first to include
	#include <shlobj.h>		#include <shlobj.h>
	#include <winsock2.h>
	#include <direct.h>		#include <direct.h>
	#else		#else
	#include <pwd.h>		#include <pwd.h>
	#include <arpa/inet.h>		#include <arpa/inet.h>
	#endif		#endif
	#include "libssh/priv.h"		#include "libssh/priv.h"
			#include "libssh/misc.h"
	#ifdef HAVE_LIBGCRYPT		#ifdef HAVE_LIBGCRYPT
	#define GCRYPT_STRING "/gnutls"		#define GCRYPT_STRING "/gnutls"
	#else		#else
	#define GCRYPT_STRING ""		#define GCRYPT_STRING ""
	#endif		#endif
	#ifdef HAVE_LIBCRYPTO		#ifdef HAVE_LIBCRYPTO
	#define CRYPTO_STRING "/openssl"		#define CRYPTO_STRING "/openssl"
	#else		#else
	skipping to change at line 72		skipping to change at line 72
	#define LIBZ_STRING ""		#define LIBZ_STRING ""
	#endif		#endif
	/** \defgroup ssh_misc SSH Misc		/** \defgroup ssh_misc SSH Misc
	* \brief Misc functions		* \brief Misc functions
	*/		*/
	/** \addtogroup ssh_misc		/** \addtogroup ssh_misc
	* @{ */		* @{ */
	#ifdef _WIN32		#ifdef _WIN32
	char *ssh_get_user_home_dir(void) {		char *ssh_get_user_home_dir(void) {
	static char szPath[MAX_PATH] = {0};		char tmp[MAX_PATH] = {0};
			char *szPath = NULL;
			if (SHGetSpecialFolderPathA(NULL, tmp, CSIDL_PROFILE, TRUE)) {
			szPath = malloc(strlen(tmp) + 1);
			if (szPath == NULL) {
			return NULL;
			}
	if (SHGetSpecialFolderPathA(NULL, szPath, CSIDL_PROFILE, TRUE)) {		strcpy(szPath, tmp);
	return szPath;		return szPath;
	}		}
	return NULL;		return NULL;
	}		}
	#else /* _WIN32 */
			/* we have read access on file */
			int ssh_file_readaccess_ok(const char *file) {
			if (_access(file, 4) < 0) {
			return 0;
			}
			return 1;
			}
			#define SSH_USEC_IN_SEC 1000000LL
			#define SSH_SECONDS_SINCE_1601 11644473600LL
			int gettimeofday(struct timeval *__p, void *__t) {
			union {
			unsigned long long ns100; /* time since 1 Jan 1601 in 100ns units */
			FILETIME ft;
			} now;
			GetSystemTimeAsFileTime (&now.ft);
			__p->tv_usec = (long) ((now.ns100 / 10LL) % SSH_USEC_IN_SEC);
			__p->tv_sec = (long)(((now.ns100 / 10LL ) / SSH_USEC_IN_SEC) - SSH_SECON
			DS_SINCE_1601);
			return (0);
			}
			#else /* _WIN32 */
	char *ssh_get_user_home_dir(void) {		char *ssh_get_user_home_dir(void) {
	static char szPath[PATH_MAX] = {0};		char *szPath = NULL;
	struct passwd *pwd = NULL;		struct passwd *pwd = NULL;
	pwd = getpwuid(getuid());		pwd = getpwuid(getuid());
	if (pwd == NULL) {		if (pwd == NULL) {
	return NULL;		return NULL;
	}		}
	snprintf(szPath, PATH_MAX - 1, "%s", pwd->pw_dir);		szPath = strdup(pwd->pw_dir);
	return szPath;		return szPath;
	}		}
	#endif
	/* we have read access on file */		/* we have read access on file */
	int ssh_file_readaccess_ok(const char *file) {		int ssh_file_readaccess_ok(const char *file) {
	if (access(file, R_OK) < 0) {		if (access(file, R_OK) < 0) {
	return 0;		return 0;
	}		}
	return 1;		return 1;
	}		}
			#endif
	u64 ntohll(u64 a) {		uint64_t ntohll(uint64_t a) {
	#ifdef WORDS_BIGENDIAN		#ifdef WORDS_BIGENDIAN
	return a;		return a;
	#else		#else
	u32 low = a & 0xffffffff;		uint32_t low = (uint32_t)(a & 0xffffffff);
	u32 high = a >> 32 ;		uint32_t high = (uint32_t)(a >> 32);
	low = ntohl(low);		low = ntohl(low);
	high = ntohl(high);		high = ntohl(high);
	return ((((u64) low) << 32) | ( high));		return ((((uint64_t) low) << 32) | ( high));
	#endif		#endif
	}		}
	/**		/**
	* @brief Check if libssh is the required version or get the version		* @brief Check if libssh is the required version or get the version
	* string.		* string.
	*		*
	* @param req_version The version required.		* @param req_version The version required.
	*		*
	* @return If the version of libssh is newer than the version		* @return If the version of libssh is newer than the version
	skipping to change at line 154		skipping to change at line 183
	*/		*/
	const char *ssh_version(int req_version) {		const char *ssh_version(int req_version) {
	if (req_version <= LIBSSH_VERSION_INT) {		if (req_version <= LIBSSH_VERSION_INT) {
	return SSH_STRINGIFY(LIBSSH_VERSION) GCRYPT_STRING CRYPTO_STRING		return SSH_STRINGIFY(LIBSSH_VERSION) GCRYPT_STRING CRYPTO_STRING
	LIBZ_STRING;		LIBZ_STRING;
	}		}
	return NULL;		return NULL;
	}		}
			struct ssh_list *ssh_list_new(){
			struct ssh_list *ret=malloc(sizeof(struct ssh_list));
			if(!ret)
			return NULL;
			ret->root=ret->end=NULL;
			return ret;
			}
			void ssh_list_free(struct ssh_list *list){
			struct ssh_iterator *ptr,*next;
			ptr=list->root;
			while(ptr){
			next=ptr->next;
			SAFE_FREE(ptr);
			ptr=next;
			}
			SAFE_FREE(list);
			}
			struct ssh_iterator *ssh_list_get_iterator(const struct ssh_list *list){
			return list->root;
			}
			static struct ssh_iterator *ssh_iterator_new(const void *data){
			struct ssh_iterator *iterator=malloc(sizeof(struct ssh_iterator));
			if(!iterator)
			return NULL;
			iterator->next=NULL;
			iterator->data=data;
			return iterator;
			}
			int ssh_list_add(struct ssh_list *list,const void *data){
			struct ssh_iterator *iterator=ssh_iterator_new(data);
			if(!iterator)
			return SSH_ERROR;
			if(!list->end){
			/* list is empty */
			list->root=list->end=iterator;
			} else {
			/* put it on end of list */
			list->end->next=iterator;
			list->end=iterator;
			}
			return SSH_OK;
			}
			void ssh_list_remove(struct ssh_list *list, struct ssh_iterator *iterator){
			struct ssh_iterator *ptr,*prev;
			prev=NULL;
			ptr=list->root;
			while(ptr && ptr != iterator){
			prev=ptr;
			ptr=ptr->next;
			}
			if(!ptr){
			/* we did not find the element */
			return;
			}
			/* unlink it */
			if(prev)
			prev->next=ptr->next;
			/* if iterator was the head */
			if(list->root == iterator)
			list->root=iterator->next;
			/* if iterator was the tail */
			if(list->end == iterator)
			list->end = prev;
			SAFE_FREE(iterator);
			}
			const void *_ssh_list_get_head(struct ssh_list *list){
			struct ssh_iterator *iterator=list->root;
			const void *data;
			if(!list->root)
			return NULL;
			data=iterator->data;
			list->root=iterator->next;
			if(list->end==iterator)
			list->end=NULL;
			SAFE_FREE(iterator);
			return data;
			}
	/**		/**
	* @brief Parse directory component.		* @brief Parse directory component.
	*		*
	* dirname breaks a null-terminated pathname string into a directory compon ent.		* dirname breaks a null-terminated pathname string into a directory compon ent.
	* In the usual case, ssh_dirname() returns the string up to, but not inclu ding,		* In the usual case, ssh_dirname() returns the string up to, but not inclu ding,
	* the final '/'. Trailing '/' characters are not counted as part of the		* the final '/'. Trailing '/' characters are not counted as part of the
	* pathname. The caller must free the memory.		* pathname. The caller must free the memory.
	*		*
	* @param path The path to parse.		* @param path The path to parse.
	*		*
End of changes. 20 change blocks.
	18 lines changed or deleted		132 lines changed or added
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