Initial support for SQLite (90% approx).

Initial support for Firebird (30% approx).
Initial support for Access (10% approx).
Shared libraries code/installation scripts ported to 64bit, directory structure adapted.
Minor code adjustments.
This commit is contained in:
Bernardo Damele
2010-03-18 17:20:54 +00:00
parent f1fde2e443
commit 0d559d14df
61 changed files with 3769 additions and 670 deletions

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Microsoft Visual Studio Solution File, Format Version 9.00
# Visual C++ Express 2005
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "lib_postgresqludf_sys", "lib_postgresqludf_sys\lib_postgresqludf_sys.vcproj", "{3527D58C-177A-47B3-981B-8104EBB3F943}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Win32 = Debug|Win32
Release|Win32 = Release|Win32
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{3527D58C-177A-47B3-981B-8104EBB3F943}.Debug|Win32.ActiveCfg = Debug|Win32
{3527D58C-177A-47B3-981B-8104EBB3F943}.Debug|Win32.Build.0 = Debug|Win32
{3527D58C-177A-47B3-981B-8104EBB3F943}.Release|Win32.ActiveCfg = Release|Win32
{3527D58C-177A-47B3-981B-8104EBB3F943}.Release|Win32.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
EndGlobal

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/*
lib_postgresqludf_sys - a library with miscellaneous (operating) system level functions
Copyright (C) 2009-2010 Bernardo Damele A. G.
web: http://bernardodamele.blogspot.com/
email: bernardo.damele@gmail.com
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; either
version 2.1 of the License, or (at your option) any later version.
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
*/
#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
#define _USE_32BIT_TIME_T
#define DLLEXP __declspec(dllexport)
#define BUILDING_DLL 1
#else
#define DLLEXP
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#endif
#include <postgres.h>
#include <fmgr.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
DWORD WINAPI exec_payload(LPVOID lpParameter);
#endif
#ifdef PG_MODULE_MAGIC
PG_MODULE_MAGIC;
#endif
char *text_ptr_to_char_ptr(text *arg)
{
char *retVal;
int arg_size = VARSIZE(arg) - VARHDRSZ;
retVal = (char *)malloc(arg_size + 1);
memcpy(retVal, VARDATA(arg), arg_size);
retVal[arg_size] = '\0';
return retVal;
}
text *chr_ptr_to_text_ptr(char *arg)
{
text *retVal;
retVal = (text *)malloc(VARHDRSZ + strlen(arg));
#ifdef SET_VARSIZE
SET_VARSIZE(retVal, VARHDRSZ + strlen(arg));
#else
VARATT_SIZEP(retVal) = strlen(arg) + VARHDRSZ;
#endif
memcpy(VARDATA(retVal), arg, strlen(arg));
return retVal;
}
PG_FUNCTION_INFO_V1(sys_exec);
#ifdef PGDLLIMPORT
extern PGDLLIMPORT Datum sys_exec(PG_FUNCTION_ARGS) {
#else
extern DLLIMPORT Datum sys_exec(PG_FUNCTION_ARGS) {
#endif
text *argv0 = PG_GETARG_TEXT_P(0);
int32 result = 0;
char *command;
command = text_ptr_to_char_ptr(argv0);
/*
Only if you want to log
elog(NOTICE, "Command execution: %s", command);
*/
result = system(command);
free(command);
PG_FREE_IF_COPY(argv0, 0);
PG_RETURN_INT32(result);
}
PG_FUNCTION_INFO_V1(sys_eval);
#ifdef PGDLLIMPORT
extern PGDLLIMPORT Datum sys_eval(PG_FUNCTION_ARGS) {
#else
extern DLLIMPORT Datum sys_eval(PG_FUNCTION_ARGS) {
#endif
text *argv0 = PG_GETARG_TEXT_P(0);
text *result_text;
char *command;
char *result;
FILE *pipe;
char line[1024];
int32 outlen, linelen;
command = text_ptr_to_char_ptr(argv0);
/*
Only if you want to log
elog(NOTICE, "Command evaluated: %s", command);
*/
result = (char *)malloc(1);
outlen = 0;
pipe = popen(command, "r");
while (fgets(line, sizeof(line), pipe) != NULL) {
linelen = strlen(line);
result = (char *)realloc(result, outlen + linelen);
strncpy(result + outlen, line, linelen);
outlen = outlen + linelen;
}
pclose(pipe);
if (*result) {
result[outlen-1] = 0x00;
}
result_text = chr_ptr_to_text_ptr(result);
PG_RETURN_POINTER(result_text);
}
PG_FUNCTION_INFO_V1(sys_bineval);
#ifdef PGDLLIMPORT
extern PGDLLIMPORT Datum sys_bineval(PG_FUNCTION_ARGS) {
#else
extern DLLIMPORT Datum sys_bineval(PG_FUNCTION_ARGS) {
#endif
text *argv0 = PG_GETARG_TEXT_P(0);
int32 argv0_size;
size_t len;
#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
int pID;
char *code;
#else
int *addr;
size_t page_size;
pid_t pID;
#endif
argv0_size = VARSIZE(argv0) - VARHDRSZ;
len = (size_t)argv0_size;
#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
// allocate a +rwx memory page
code = (char *) VirtualAlloc(NULL, len+1, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
strncpy(code, VARDATA(argv0), len);
WaitForSingleObject(CreateThread(NULL, 0, exec_payload, code, 0, &pID), INFINITE);
#else
pID = fork();
if(pID<0)
PG_RETURN_INT32(1);
if(pID==0)
{
page_size = (size_t)sysconf(_SC_PAGESIZE)-1; // get page size
page_size = (len+page_size) & ~(page_size); // align to page boundary
// mmap an rwx memory page
addr = mmap(0, page_size, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_SHARED|MAP_ANONYMOUS, 0, 0);
if (addr == MAP_FAILED)
PG_RETURN_INT32(1);
strncpy((char *)addr, VARDATA(argv0), len);
((void (*)(void))addr)();
}
if(pID>0)
waitpid(pID, 0, WNOHANG);
#endif
PG_RETURN_INT32(0);
}
#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
DWORD WINAPI exec_payload(LPVOID lpParameter)
{
__try
{
__asm
{
mov eax, [lpParameter]
call eax
}
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
}
return 0;
}
#endif
#undef fopen
PG_FUNCTION_INFO_V1(sys_fileread);
#ifdef PGDLLIMPORT
extern PGDLLIMPORT Datum sys_fileread(PG_FUNCTION_ARGS) {
#else
extern DLLIMPORT Datum sys_fileread(PG_FUNCTION_ARGS) {
#endif
text *argv0 = PG_GETARG_TEXT_P(0);
text *result_text;
int32 len;
int32 i, j;
char *filename;
char *result;
char *buffer;
char table[] = "0123456789ABCDEF";
FILE *file;
filename = text_ptr_to_char_ptr(argv0);
file = fopen(filename, "rb");
if (!file)
{
PG_RETURN_NULL();
}
fseek(file, 0, SEEK_END);
len = ftell(file);
fseek(file, 0, SEEK_SET);
buffer=(char *)malloc(len + 1);
if (!buffer)
{
fclose(file);
PG_RETURN_NULL();
}
fread(buffer, len, 1, file);
fclose(file);
result = (char *)malloc(2*len + 1);
for (i=0, j=0; i<len; i++)
{
result[j++] = table[(buffer[i] >> 4) & 0x0f];
result[j++] = table[ buffer[i] & 0x0f];
}
result[j] = '\0';
result_text = chr_ptr_to_text_ptr(result);
free(result);
free(buffer);
free(filename);
PG_RETURN_POINTER(result_text);
}

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<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
ProjectType="Visual C++"
Version="8,00"
Name="lib_postgresqludf_sys"
ProjectGUID="{3527D58C-177A-47B3-981B-8104EBB3F943}"
RootNamespace="lib_postgresqludf_sys"
>
<Platforms>
<Platform
Name="Win32"
/>
</Platforms>
<ToolFiles>
</ToolFiles>
<Configurations>
<Configuration
Name="Debug|Win32"
OutputDirectory="$(SolutionDir)$(ConfigurationName)"
IntermediateDirectory="$(ConfigurationName)"
ConfigurationType="2"
CharacterSet="2"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
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<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
/>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
AdditionalIncludeDirectories="$(PLATFORM_SDK_DIR)\Include;$(POSTGRESQL_SERVER_DIR)\include\server;$(POSTGRESQL_SERVER_DIR)\include\server\port\win32"
MinimalRebuild="true"
BasicRuntimeChecks="3"
RuntimeLibrary="3"
WarningLevel="3"
DebugInformationFormat="4"
CompileAs="1"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="postgres.lib"
AdditionalLibraryDirectories="$(POSTGRESQL_SERVER_DIR)\lib;$(POSTGRESQL_SERVER_DIR)\bin"
GenerateDebugInformation="true"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
<Configuration
Name="Release|Win32"
OutputDirectory="$(SolutionDir)$(ConfigurationName)"
IntermediateDirectory="$(ConfigurationName)"
ConfigurationType="2"
CharacterSet="2"
WholeProgramOptimization="1"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
/>
<Tool
Name="VCCLCompilerTool"
Optimization="1"
EnableIntrinsicFunctions="true"
FavorSizeOrSpeed="2"
AdditionalIncludeDirectories="$(PLATFORM_SDK_DIR)\Include;$(POSTGRESQL_SERVER_DIR)\include\server;$(POSTGRESQL_SERVER_DIR)\include\server\port\win32"
RuntimeLibrary="2"
EnableFunctionLevelLinking="true"
WarningLevel="3"
DebugInformationFormat="0"
CompileAs="1"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="postgres.lib"
AdditionalLibraryDirectories="$(PLATFORM_SDK_DIR)\Lib;$(POSTGRESQL_SERVER_DIR)\lib;$(POSTGRESQL_SERVER_DIR)\bin"
GenerateDebugInformation="false"
SubSystem="0"
OptimizeReferences="2"
EnableCOMDATFolding="2"
OptimizeForWindows98="1"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
</Configurations>
<References>
</References>
<Files>
<Filter
Name="Source Files"
Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
>
<File
RelativePath=".\lib_postgresqludf_sys.c"
>
</File>
</Filter>
<Filter
Name="Header Files"
Filter="h;hpp;hxx;hm;inl;inc;xsd"
UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
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</Filter>
<Filter
Name="Resource Files"
Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
>
</Filter>
</Files>
<Globals>
</Globals>
</VisualStudioProject>