Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 363 insertions, 0 deletions

diff --git a/include/LibreOfficeKit/LibreOfficeKitInit.h b/include/LibreOfficeKit/LibreOfficeKitInit.h
new file mode 100644
index 0000000000..695784d279
--- /dev/null
+++ b/include/LibreOfficeKit/LibreOfficeKitInit.h
@@ -0,0 +1,363 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_LIBREOFFICEKIT_LIBREOFFICEKITINIT_H
+#define INCLUDED_LIBREOFFICEKIT_LIBREOFFICEKITINIT_H
+
+#include <LibreOfficeKit/LibreOfficeKit.h>
+
+#if defined __GNUC__ || defined __clang__
+#  define LOK_TOLERATE_UNUSED __attribute__((used))
+#else
+#  define LOK_TOLERATE_UNUSED
+#endif
+
+#if defined(__linux__) || defined (__FreeBSD__) ||\
+    defined(_WIN32) || defined(__APPLE__) || defined (__NetBSD__) ||\
+    defined (__sun) || defined(__OpenBSD__) || defined(__EMSCRIPTEN__)
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#ifndef _WIN32
+
+    #include <dlfcn.h>
+
+    #ifdef __APPLE__
+        #define TARGET_LIB        "lib" "sofficeapp" ".dylib"
+        #define TARGET_MERGED_LIB "lib" "mergedlo" ".dylib"
+    #else
+        #define TARGET_LIB        "lib" "sofficeapp" ".so"
+        #define TARGET_MERGED_LIB "lib" "mergedlo" ".so"
+    #endif
+    #define SEPARATOR         '/'
+
+#else
+
+    #if !defined WIN32_LEAN_AND_MEAN
+        #define WIN32_LEAN_AND_MEAN
+    #endif
+    #include  <windows.h>
+    #define TARGET_LIB        "sofficeapp" ".dll"
+    #define TARGET_MERGED_LIB "mergedlo" ".dll"
+    #define SEPARATOR         '\\'
+    #define UNOPATH           "\\..\\URE\\bin"
+
+    #undef DELETE
+
+#endif
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#ifndef _WIN32
+
+#if !defined(IOS)
+        static void *lok_loadlib(const char *pFN)
+    {
+        return dlopen(pFN, RTLD_LAZY
+#if defined LOK_LOADLIB_GLOBAL
+                      | RTLD_GLOBAL
+#endif
+                      );
+    }
+
+    static char *lok_dlerror(void)
+    {
+        return dlerror();
+    }
+
+    // This function must be called to release memory allocated by lok_dlerror()
+    static void lok_dlerror_free(char *pErrMessage)
+    {
+        (void)pErrMessage;
+        // Do nothing for return of dlerror()
+    }
+
+    static void extendUnoPath(const char *pPath)
+    {
+        (void)pPath;
+    }
+
+    static void *lok_dlsym(void *Hnd, const char *pName)
+    {
+        return dlsym(Hnd, pName);
+    }
+
+    static int lok_dlclose(void *Hnd)
+    {
+        return dlclose(Hnd);
+    }
+#endif // IOS
+
+
+#else
+    static void *lok_loadlib(const char *pFN)
+    {
+        return (void *) LoadLibraryA(pFN);
+    }
+
+    static char *lok_dlerror(void)
+    {
+        LPSTR buf = NULL;
+        FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+            NULL, GetLastError(), 0, reinterpret_cast<LPSTR>(&buf), 0, NULL);
+        return buf;
+    }
+
+    // This function must be called to release memory allocated by lok_dlerror()
+    static void lok_dlerror_free(char *pErrMessage)
+    {
+        HeapFree(GetProcessHeap(), 0, pErrMessage);
+    }
+
+    static void *lok_dlsym(void *Hnd, const char *pName)
+    {
+        return reinterpret_cast<void *>(GetProcAddress((HINSTANCE) Hnd, pName));
+    }
+
+    static int lok_dlclose(void *Hnd)
+    {
+        return FreeLibrary((HINSTANCE) Hnd);
+    }
+
+    static void extendUnoPath(const char *pPath)
+    {
+        char *sNewPath = NULL, *sEnvPath = NULL;
+        size_t size_sEnvPath = 0, buffer_size = 0;
+        DWORD cChars;
+
+        if (!pPath)
+            return;
+
+        cChars = GetEnvironmentVariableA("PATH", sEnvPath, 0);
+        if (cChars > 0)
+        {
+            sEnvPath = (char *) malloc(cChars);
+            cChars = GetEnvironmentVariableA("PATH", sEnvPath, cChars);
+            //If PATH is not set then it is no error
+            if (cChars == 0 && GetLastError() != ERROR_ENVVAR_NOT_FOUND)
+            {
+                free(sEnvPath);
+                return;
+            }
+        }
+        //prepare the new PATH. Add the Ure/bin directory at the front.
+        //note also adding ';'
+        if(sEnvPath)
+            size_sEnvPath = strlen(sEnvPath);
+        buffer_size = size_sEnvPath + 2*strlen(pPath) + strlen(UNOPATH) + 4;
+        sNewPath = (char *) malloc(buffer_size);
+        sNewPath[0] = L'\0';
+        strcat_s(sNewPath, buffer_size, pPath);     // program to PATH
+        strcat_s(sNewPath, buffer_size, ";");
+        strcat_s(sNewPath, buffer_size, UNOPATH);   // UNO to PATH
+        if (size_sEnvPath > 0)
+        {
+            strcat_s(sNewPath, buffer_size, ";");
+            strcat_s(sNewPath, buffer_size, sEnvPath);
+        }
+
+        SetEnvironmentVariableA("PATH", sNewPath);
+
+        free(sNewPath);
+        free(sEnvPath);
+    }
+#endif
+
+#if !defined(IOS)
+static void *lok_dlopen( const char *install_path, char ** _imp_lib )
+{
+    char *imp_lib;
+    void *dlhandle;
+
+    size_t partial_length, imp_lib_size;
+    struct stat dir_st;
+
+    *_imp_lib = NULL;
+
+    if (!install_path)
+        return NULL;
+
+    if (stat(install_path, &dir_st) != 0)
+    {
+        fprintf(stderr, "installation path \"%s\" does not exist\n", install_path);
+        return NULL;
+    }
+
+    // allocate large enough buffer
+    partial_length = strlen(install_path);
+    imp_lib_size = partial_length + sizeof(TARGET_LIB) + sizeof(TARGET_MERGED_LIB) + 2;
+    imp_lib = (char *) malloc(imp_lib_size);
+    if (!imp_lib)
+    {
+        fprintf( stderr, "failed to open library : not enough memory\n");
+        return NULL;
+    }
+
+    memcpy(imp_lib, install_path, partial_length);
+
+    extendUnoPath(install_path);
+
+    imp_lib[partial_length++] = SEPARATOR;
+    strncpy(imp_lib + partial_length, TARGET_LIB, imp_lib_size - partial_length);
+
+    dlhandle = lok_loadlib(imp_lib);
+    if (!dlhandle)
+    {
+        // If TARGET_LIB exists, and likely is a real library (not a
+        // small one-line text stub as in the --enable-mergedlib
+        // case), but dlopen failed for some reason, don't try
+        // TARGET_MERGED_LIB.
+        struct stat st;
+        if (stat(imp_lib, &st) == 0 && st.st_size > 100)
+        {
+            char *pErrMessage = lok_dlerror();
+            fprintf(stderr, "failed to open library '%s': %s\n",
+                    imp_lib, pErrMessage);
+            lok_dlerror_free(pErrMessage);
+            free(imp_lib);
+            return NULL;
+        }
+
+        strncpy(imp_lib + partial_length, TARGET_MERGED_LIB, imp_lib_size - partial_length);
+
+        dlhandle = lok_loadlib(imp_lib);
+        if (!dlhandle)
+        {
+            char *pErrMessage = lok_dlerror();
+            fprintf(stderr, "failed to open library '%s': %s\n",
+                    imp_lib, pErrMessage);
+            lok_dlerror_free(pErrMessage);
+            free(imp_lib);
+            return NULL;
+        }
+    }
+    *_imp_lib = imp_lib;
+    return dlhandle;
+}
+#endif
+
+typedef LibreOfficeKit *(LokHookFunction)( const char *install_path);
+
+typedef LibreOfficeKit *(LokHookFunction2)( const char *install_path, const char *user_profile_url );
+
+typedef int             (LokHookPreInit)  ( const char *install_path, const char *user_profile_url );
+
+typedef int             (LokHookPreInit2) ( const char *install_path, const char *user_profile_url, LibreOfficeKit** kit);
+
+#if defined(IOS) || defined(ANDROID) || defined(__EMSCRIPTEN__)
+LibreOfficeKit *libreofficekit_hook_2(const char* install_path, const char* user_profile_path);
+#endif
+
+static LibreOfficeKit *lok_init_2( const char *install_path,  const char *user_profile_url )
+{
+#if !defined(IOS) && !defined(ANDROID) && !defined(__EMSCRIPTEN__)
+    void *dlhandle;
+    char *imp_lib;
+    LokHookFunction *pSym;
+    LokHookFunction2 *pSym2;
+
+    dlhandle = lok_dlopen(install_path, &imp_lib);
+    if (!dlhandle)
+        return NULL;
+
+    pSym2 = (LokHookFunction2 *) lok_dlsym(dlhandle, "libreofficekit_hook_2");
+    if (!pSym2)
+    {
+        if (user_profile_url != NULL)
+        {
+            fprintf( stderr, "the LibreOffice version in '%s' does not support passing a user profile to the hook function\n",
+                     imp_lib );
+            lok_dlclose( dlhandle );
+            free( imp_lib );
+            return NULL;
+        }
+        pSym = (LokHookFunction *) lok_dlsym( dlhandle, "libreofficekit_hook" );
+        if (!pSym)
+        {
+            fprintf( stderr, "failed to find hook in library '%s'\n", imp_lib );
+            lok_dlclose( dlhandle );
+            free( imp_lib );
+            return NULL;
+        }
+        free( imp_lib );
+        // dlhandle is "leaked"
+        // coverity[leaked_storage] - on purpose
+        return pSym( install_path );
+    }
+
+    if (user_profile_url != NULL && user_profile_url[0] == '/')
+    {
+        // It should be either a file: URL or a vnd.sun.star.pathname: URL.
+        fprintf( stderr, "second parameter to lok_init_2 '%s' should be a URL, not a pathname\n", user_profile_url );
+        lok_dlclose( dlhandle );
+        free( imp_lib );
+        return NULL;
+    }
+
+    free( imp_lib );
+    // dlhandle is "leaked"
+    // coverity[leaked_storage] - on purpose
+    return pSym2( install_path, user_profile_url );
+#else
+    return libreofficekit_hook_2( install_path, user_profile_url );
+#endif
+}
+
+static LOK_TOLERATE_UNUSED
+LibreOfficeKit *lok_init( const char *install_path )
+{
+    return lok_init_2( install_path, NULL );
+}
+
+#if !defined(IOS)
+static LOK_TOLERATE_UNUSED
+int lok_preinit( const char *install_path,  const char *user_profile_url )
+{
+    void *dlhandle;
+    char *imp_lib;
+    LokHookPreInit *pSym;
+
+    dlhandle = lok_dlopen(install_path, &imp_lib);
+    if (!dlhandle)
+        return -1;
+
+    pSym = (LokHookPreInit *) lok_dlsym(dlhandle, "lok_preinit");
+    if (!pSym)
+    {
+        fprintf( stderr, "failed to find pre-init hook in library '%s'\n", imp_lib );
+        lok_dlclose( dlhandle );
+        free( imp_lib );
+        return -1;
+    }
+
+    free( imp_lib );
+
+    // dlhandle is "leaked"
+    // coverity[leaked_storage] - on purpose
+    return pSym( install_path, user_profile_url );
+}
+#endif
+
+#undef SEPARATOR // It is used at least in enum class MenuItemType
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // defined(__linux__) || defined (__FreeBSD__) || defined(_WIN32) || defined(__APPLE__)
+
+#endif // INCLUDED_LIBREOFFICEKIT_LIBREOFFICEKITINIT_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */