tool_operate: move filetime code to its own function (446eaa94) · Commits · CYBER - Cyber Security / TS 103 523 MSP / TLMSP / TLMSP curl

src/tool_operate.c

+60 −49

Original line number	Original line	Diff line number	Diff line
	@@ -184,6 +184,64 @@ static curl_off_t VmsSpecialSize(const char *name,
	}		}
	#endif /* __VMS */		#endif /* __VMS */

			#if defined(HAVE_UTIME) \|\| \
			(defined(WIN32) && (CURL_SIZEOF_CURL_OFF_T >= 8))
			static void setfiletime(long filetime, const char *filename,
			FILE *error_stream)
			{
			if(filetime >= 0) {
			/* Windows utime() may attempt to adjust our unix gmt 'filetime' by a daylight
			saving time offset and since it's GMT that is bad behavior. When we have
			access to a 64-bit type we can bypass utime and set the times directly. */
			#if defined(WIN32) && (CURL_SIZEOF_CURL_OFF_T >= 8)
			/* 910670515199 is the maximum unix filetime that can be used as a
			Windows FILETIME without overflow: 30827-12-31T23:59:59. */
			if(filetime <= CURL_OFF_T_C(910670515199)) {
			HANDLE hfile = CreateFileA(filename, FILE_WRITE_ATTRIBUTES,
			(FILE_SHARE_READ \| FILE_SHARE_WRITE \|
			FILE_SHARE_DELETE),
			NULL, OPEN_EXISTING, 0, NULL);
			if(hfile != INVALID_HANDLE_VALUE) {
			curl_off_t converted = ((curl_off_t)filetime * 10000000) +
			CURL_OFF_T_C(116444736000000000);
			FILETIME ft;
			ft.dwLowDateTime = (DWORD)(converted & 0xFFFFFFFF);
			ft.dwHighDateTime = (DWORD)(converted >> 32);
			if(!SetFileTime(hfile, NULL, &ft, &ft)) {
			fprintf(error_stream,
			"Failed to set filetime %ld on outfile: "
			"SetFileTime failed: GetLastError %u\n",
			filetime, GetLastError());
			}
			CloseHandle(hfile);
			}
			else {
			fprintf(error_stream,
			"Failed to set filetime %ld on outfile: "
			"CreateFile failed: GetLastError %u\n",
			filetime, GetLastError());
			}
			}
			else {
			fprintf(error_stream,
			"Failed to set filetime %ld on outfile: overflow\n",
			filetime);
			}
			#elif defined(HAVE_UTIME)
			struct utimbuf times;
			times.actime = (time_t)filetime;
			times.modtime = (time_t)filetime;
			if(utime(filename, &times)) {
			fprintf(error_stream,
			"Failed to set filetime %ld on outfile: errno %d\n",
			filetime, errno);
			}
			#endif
			}
			}
			#endif /* defined(HAVE_UTIME) \|\| \
			(defined(WIN32) && (CURL_SIZEOF_CURL_OFF_T >= 8)) */

	static CURLcode operate_do(struct GlobalConfig *global,		static CURLcode operate_do(struct GlobalConfig *global,
	struct OperationConfig *config)		struct OperationConfig *config)
	{		{
	@@ -1761,55 +1819,8 @@ static CURLcode operate_do(struct GlobalConfig *global,
	/* Ask libcurl if we got a remote file time */		/* Ask libcurl if we got a remote file time */
	long filetime = -1;		long filetime = -1;
	curl_easy_getinfo(curl, CURLINFO_FILETIME, &filetime);		curl_easy_getinfo(curl, CURLINFO_FILETIME, &filetime);
	if(filetime >= 0) {		if(filetime >= 0)
	/* Windows utime() may attempt to adjust our unix gmt 'filetime' by a daylight		setfiletime(filetime, outs.filename, config->global->errors);
	saving time offset and since it's GMT that is bad behavior. When we have
	access to a 64-bit type we can bypass utime and set the times directly. */
	#if defined(WIN32) && (CURL_SIZEOF_CURL_OFF_T >= 8)
	/* 910670515199 is the maximum unix filetime that can be used as a
	Windows FILETIME without overflow: 30827-12-31T23:59:59. */
	if(filetime <= CURL_OFF_T_C(910670515199)) {
	HANDLE hfile = CreateFileA(outs.filename, FILE_WRITE_ATTRIBUTES,
	(FILE_SHARE_READ \| FILE_SHARE_WRITE \|
	FILE_SHARE_DELETE),
	NULL, OPEN_EXISTING, 0, NULL);
	if(hfile != INVALID_HANDLE_VALUE) {
	curl_off_t converted = ((curl_off_t)filetime * 10000000) +
	CURL_OFF_T_C(116444736000000000);
	FILETIME ft;
	ft.dwLowDateTime = (DWORD)(converted & 0xFFFFFFFF);
	ft.dwHighDateTime = (DWORD)(converted >> 32);
	if(!SetFileTime(hfile, NULL, &ft, &ft)) {
	fprintf(config->global->errors,
	"Failed to set filetime %ld on outfile: "
	"SetFileTime failed: GetLastError %u\n",
	filetime, GetLastError());
	}
	CloseHandle(hfile);
	}
	else {
	fprintf(config->global->errors,
	"Failed to set filetime %ld on outfile: "
	"CreateFile failed: GetLastError %u\n",
	filetime, GetLastError());
	}
	}
	else {
	fprintf(config->global->errors,
	"Failed to set filetime %ld on outfile: overflow\n",
	filetime);
	}
	#elif defined(HAVE_UTIME)
	struct utimbuf times;
	times.actime = (time_t)filetime;
	times.modtime = (time_t)filetime;
	if(utime(outs.filename, &times)) {
	fprintf(config->global->errors,
	"Failed to set filetime %ld on outfile: errno %d\n",
	filetime, errno);
	}
	#endif
	}
	}		}
	#endif /* defined(HAVE_UTIME) \|\| \		#endif /* defined(HAVE_UTIME) \|\| \
	(defined(WIN32) && (CURL_SIZEOF_CURL_OFF_T >= 8)) */		(defined(WIN32) && (CURL_SIZEOF_CURL_OFF_T >= 8)) */