Revert "Merge branch 'master' of https://bitbucket.org/lindenlab/viewer into DRTVWR-519"

This reverts commit e61f485a04dc8c8ac6bcf6a24848359092884d14, reversing
changes made to 00c47d079f7e958e473ed4083a7f7691fa02dcd5.

1 files changed, 269 insertions, 0 deletions

diff --git a/indra/llvfs/lldir_linux.cpp b/indra/llvfs/lldir_linux.cpp
new file mode 100644
index 0000000000..80ad05345a
--- /dev/null
+++ b/indra/llvfs/lldir_linux.cpp
@@ -0,0 +1,269 @@
+/** 
+ * @file lldir_linux.cpp
+ * @brief Implementation of directory utilities for linux
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This 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 the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "lldir_linux.h"
+#include "llerror.h"
+#include "llrand.h"
+#include "llstring.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <glob.h>
+#include <pwd.h>
+
+
+static std::string getCurrentUserHome(char* fallback)
+{
+	const uid_t uid = getuid();
+	struct passwd *pw;
+
+	pw = getpwuid(uid);
+	if ((pw != NULL) && (pw->pw_dir != NULL))
+	{
+		return pw->pw_dir;
+	}
+
+	LL_INFOS() << "Couldn't detect home directory from passwd - trying $HOME" << LL_ENDL;
+	auto home_env = LLStringUtil::getoptenv("HOME");
+	if (home_env)
+	{
+		return *home_env;
+	}
+	else
+	{
+		LL_WARNS() << "Couldn't detect home directory!  Falling back to " << fallback << LL_ENDL;
+		return fallback;
+	}
+}
+
+
+LLDir_Linux::LLDir_Linux()
+{
+	mDirDelimiter = "/";
+	mCurrentDirIndex = -1;
+	mCurrentDirCount = -1;
+	mDirp = NULL;
+
+	char tmp_str[LL_MAX_PATH];	/* Flawfinder: ignore */ 
+	if (getcwd(tmp_str, LL_MAX_PATH) == NULL)
+	{
+		strcpy(tmp_str, "/tmp");
+		LL_WARNS() << "Could not get current directory; changing to "
+				<< tmp_str << LL_ENDL;
+		if (chdir(tmp_str) == -1)
+		{
+			LL_ERRS() << "Could not change directory to " << tmp_str << LL_ENDL;
+		}
+	}
+
+	mExecutableFilename = "";
+	mExecutablePathAndName = "";
+	mExecutableDir = tmp_str;
+	mWorkingDir = tmp_str;
+#ifdef APP_RO_DATA_DIR
+	mAppRODataDir = APP_RO_DATA_DIR;
+#else
+	mAppRODataDir = tmp_str;
+#endif
+    std::string::size_type build_dir_pos = mExecutableDir.rfind("/build-linux-");
+    if (build_dir_pos != std::string::npos)
+    {
+		// ...we're in a dev checkout
+		mSkinBaseDir = mExecutableDir.substr(0, build_dir_pos) + "/indra/newview/skins";
+		LL_INFOS() << "Running in dev checkout with mSkinBaseDir "
+		 << mSkinBaseDir << LL_ENDL;
+    }
+    else
+    {
+		// ...normal installation running
+		mSkinBaseDir = mAppRODataDir + mDirDelimiter + "skins";
+    }	
+
+	mOSUserDir = getCurrentUserHome(tmp_str);
+	mOSUserAppDir = "";
+	mLindenUserDir = "";
+
+	char path [32];	/* Flawfinder: ignore */ 
+
+	// *NOTE: /proc/%d/exe doesn't work on FreeBSD. But that's ok,
+	// because this is the linux implementation.
+
+	snprintf (path, sizeof(path), "/proc/%d/exe", (int) getpid ()); 
+	int rc = readlink (path, tmp_str, sizeof (tmp_str)-1);	/* Flawfinder: ignore */ 
+	if ( (rc != -1) && (rc <= ((int) sizeof (tmp_str)-1)) )
+	{
+		tmp_str[rc] = '\0'; //readlink() doesn't 0-terminate the buffer
+		mExecutablePathAndName = tmp_str;
+		char *path_end;
+		if ((path_end = strrchr(tmp_str,'/')))
+		{
+			*path_end = '\0';
+			mExecutableDir = tmp_str;
+			mWorkingDir = tmp_str;
+			mExecutableFilename = path_end+1;
+		}
+		else
+		{
+			mExecutableFilename = tmp_str;
+		}
+	}
+
+	mLLPluginDir = mExecutableDir + mDirDelimiter + "llplugin";
+
+	// *TODO: don't use /tmp, use $HOME/.secondlife/tmp or something.
+	mTempDir = "/tmp";
+}
+
+LLDir_Linux::~LLDir_Linux()
+{
+}
+
+// Implementation
+
+
+void LLDir_Linux::initAppDirs(const std::string &app_name,
+							  const std::string& app_read_only_data_dir)
+{
+	// Allow override so test apps can read newview directory
+	if (!app_read_only_data_dir.empty())
+	{
+		mAppRODataDir = app_read_only_data_dir;
+		mSkinBaseDir = add(mAppRODataDir, "skins");
+	}
+	mAppName = app_name;
+
+	std::string upper_app_name(app_name);
+	LLStringUtil::toUpper(upper_app_name);
+
+	auto app_home_env(LLStringUtil::getoptenv(upper_app_name + "_USER_DIR"));
+	if (app_home_env)
+	{
+		// user has specified own userappdir i.e. $SECONDLIFE_USER_DIR
+		mOSUserAppDir = *app_home_env;
+	}
+	else
+	{
+		// traditionally on unixoids, MyApp gets ~/.myapp dir for data
+		mOSUserAppDir = mOSUserDir;
+		mOSUserAppDir += "/";
+		mOSUserAppDir += ".";
+		std::string lower_app_name(app_name);
+		LLStringUtil::toLower(lower_app_name);
+		mOSUserAppDir += lower_app_name;
+	}
+
+	// create any directories we expect to write to.
+
+	int res = LLFile::mkdir(mOSUserAppDir);
+	if (res == -1)
+	{
+		LL_WARNS() << "Couldn't create app user dir " << mOSUserAppDir << LL_ENDL;
+		LL_WARNS() << "Default to base dir" << mOSUserDir << LL_ENDL;
+		mOSUserAppDir = mOSUserDir;
+	}
+
+	res = LLFile::mkdir(getExpandedFilename(LL_PATH_LOGS,""));
+	if (res == -1)
+	{
+		LL_WARNS() << "Couldn't create LL_PATH_LOGS dir " << getExpandedFilename(LL_PATH_LOGS,"") << LL_ENDL;
+	}
+	
+	res = LLFile::mkdir(getExpandedFilename(LL_PATH_USER_SETTINGS,""));
+	if (res == -1)
+	{
+		LL_WARNS() << "Couldn't create LL_PATH_USER_SETTINGS dir " << getExpandedFilename(LL_PATH_USER_SETTINGS,"") << LL_ENDL;
+	}
+
+	res = LLFile::mkdir(getExpandedFilename(LL_PATH_CACHE,""));
+	if (res == -1)
+	{
+		LL_WARNS() << "Couldn't create LL_PATH_CACHE dir " << getExpandedFilename(LL_PATH_CACHE,"") << LL_ENDL;
+	}
+
+	mCAFile = getExpandedFilename(LL_PATH_EXECUTABLE, "ca-bundle.crt");
+}
+
+U32 LLDir_Linux::countFilesInDir(const std::string &dirname, const std::string &mask)
+{
+	U32 file_count = 0;
+	glob_t g;
+
+	std::string tmp_str;
+	tmp_str = dirname;
+	tmp_str += mask;
+	
+	if(glob(tmp_str.c_str(), GLOB_NOSORT, NULL, &g) == 0)
+	{
+		file_count = g.gl_pathc;
+
+		globfree(&g);
+	}
+
+	return (file_count);
+}
+
+std::string LLDir_Linux::getCurPath()
+{
+	char tmp_str[LL_MAX_PATH];	/* Flawfinder: ignore */ 
+	if (getcwd(tmp_str, LL_MAX_PATH) == NULL)
+	{
+		LL_WARNS() << "Could not get current directory" << LL_ENDL;
+		tmp_str[0] = '\0';
+	}
+	return tmp_str;
+}
+
+
+bool LLDir_Linux::fileExists(const std::string &filename) const
+{
+	struct stat stat_data;
+	// Check the age of the file
+	// Now, we see if the files we've gathered are recent...
+	int res = stat(filename.c_str(), &stat_data);
+	if (!res)
+	{
+		return TRUE;
+	}
+	else
+	{
+		return FALSE;
+	}
+}
+
+
+/*virtual*/ std::string LLDir_Linux::getLLPluginLauncher()
+{
+	return gDirUtilp->getExecutableDir() + gDirUtilp->getDirDelimiter() +
+		"SLPlugin";
+}
+
+/*virtual*/ std::string LLDir_Linux::getLLPluginFilename(std::string base_name)
+{
+	return gDirUtilp->getLLPluginDir() + gDirUtilp->getDirDelimiter() +
+		"lib" + base_name + ".so";
+}