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/*
* Copyright 2004-2004 The Apache Software Foundation.
// (c) Copyright IBM Corp. 2004, 2005 All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "PlatformSpecificOS400.hpp"
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <qusec.h> // Qus_EC_t
#include <mih/rslvsp.h> // rslvsp()
#include <mih/micommon.h> // _AUTH_EXECUTE
#include <qleawi.h> // QleActBndPgm(), QleGetExp()
#include <qp0lstdi.h> // Qp0lCvtPathToQSYSObjName()
#include <unistd.h> // readlink()
#include <except.h>
#include <errno.h>
#include <qwcrtvca.h> // Retrieve job's ccsid API prototype
#include <locale.h>
/**********************************************************************/
/* Function: */
/* retrieveJobCcsid */
/* Description: */
/* Retrieves the ccsid of the current job. */
/* If the current job's ccsid is 65535, the job's default ccsid is */
/* returned. */
/* If the ccsid cannot be retrieved (error occurs), -1 is returned. */
/* Return: */
/* int status of call. if 0, success; -1 failure. */
/**********************************************************************/
#define RTV_CCSID_ATTR_LEN 512
static int retrieveJobCcsid(int *ccsid, char *langID)
{
char receiverVariable[RTV_CCSID_ATTR_LEN];
char format[8] = {'R', 'T', 'V', 'C', '0', '1', '0', '0'};
int numberOfAttributes = 3;
int attributeKeys[3] = {QWCA_KEY_CCSID, QWCA_KEY_DEFAULTCCSID, QWCA_KEY_LANGID};
Qwc_RTVC_Attribute_Data_t *attribute;
int defaultCcsid;
char errorCode[8];
int i;
memset(errorCode, 0x00, sizeof(errorCode));
#pragma exception_handler(RetrieveJobCcsidError,0,_C1_ALL,_C2_ALL,_CTLA_HANDLE)
QWCRTVCA(receiverVariable,RTV_CCSID_ATTR_LEN,format,numberOfAttributes,attributeKeys,&errorCode);
#pragma disable_handler
if (((Qwc_RTVC0100_t *)receiverVariable)->Number_Fields_Rtnd != 3)
{
/* Unable to retrieve the ccsid information */
return -1;
}
/* Retrieved ccsid, default CCSID and language ID */
attribute = (Qwc_RTVC_Attribute_Data_t *)(receiverVariable + sizeof(int));
for (i=0; i < 3; i++)
{
if (attribute->Key_Field == QWCA_KEY_CCSID)
*ccsid = *(int *)((char *)attribute + sizeof(Qwc_RTVC_Attribute_Data_t));
else if (attribute->Key_Field == QWCA_KEY_DEFAULTCCSID)
defaultCcsid = *(int *)((char *)attribute + sizeof(Qwc_RTVC_Attribute_Data_t));
else
strncpy(langID, ((char *)attribute + sizeof(Qwc_RTVC_Attribute_Data_t)), 3);
attribute = (Qwc_RTVC_Attribute_Data_t *)((char *)attribute + attribute->Length_Field_Info_Rtnd);
}
if (*ccsid == 65535)
*ccsid = defaultCcsid;
return 0;
RetrieveJobCcsidError:
return -1;
}
typedef int HMODULE;
static char *dlErrorMessage = NULL;
/*
* ==========================================
* dlopen()
* Gain access to an executable object file.
* ==========================================
*/
void * os400_dlopen(const char *file)
{
Qus_EC_t err = { sizeof(err), 0};
dlErrorMessage = NULL;
// Assume symbolic link, if error, assume actual path
char dllPath[4*1024+1];
memset(dllPath, 0x00, 4*1024+1);
int rc = readlink ( file , dllPath, 4*1024);
if (rc == -1)
strcpy(dllPath, file);
// Uppercase file
char *fp = dllPath;
while (*fp++) *fp = toupper(*fp);
// Parse the path to its QSYS.LIB file system name: library and service program.
char pathNameBuffer[8*1024];
Qlg_Path_Name_T *pathName = (Qlg_Path_Name_T *)pathNameBuffer;
Qp0l_QSYS_Info_t qsys_info;
memset(pathNameBuffer, 0x00, sizeof (pathNameBuffer));
pathName->Path_Length = strlen(dllPath);
memcpy( &(((char *) pathName)[sizeof(Qlg_Path_Name_T)]), dllPath, pathName->Path_Length);
pathName->Path_Name_Delimiter[0] = '/';
Qp0lCvtPathToQSYSObjName(pathName,&qsys_info,"QSYS0100",sizeof(Qp0l_QSYS_Info_t), 0, &err);
if (err.Bytes_Available)
{
dlErrorMessage = "Path to shared library not valid.";
return NULL;
}
// blank pad object name and library in order to use on rslvsp().
char objectName[11];
char objectLibrary[11];
sprintf(objectName, "%-10.10s", qsys_info.Obj_Name);
sprintf(objectLibrary,"%-10.10s", qsys_info.Lib_Name);
_SYSPTR sysP;
_OBJ_TYPE_T objectType;
#pragma exception_handler (LBL_RSLV_EH, 0,_C1_ALL,_C2_MH_ESCAPE |_C2_MH_FUNCTION_CHECK, _CTLA_HANDLE)
// Resolve pointer to DLL.
objectType = WLI_SRVPGM;
sysP = rslvsp(objectType,objectName, objectLibrary,_AUTH_EXECUTE);
#pragma disable_handler
// We got a pointer to the DLL. Activate it (i.e. load it).
HMODULE handle;
int actInfoLen;
Qle_ABP_Info_t activationInfo;
actInfoLen = sizeof(activationInfo);
QleActBndPgm (&sysP,&handle,&activationInfo,&actInfoLen,&err);
if (err.Bytes_Available)
{
dlErrorMessage = "Unable to activate shared library.";
return NULL;
}
// Return the dlopen object.
void *returnHandle = malloc(sizeof(HMODULE));
memcpy(returnHandle, &handle, sizeof(HMODULE));
return returnHandle;
LBL_RSLV_EH:
dlErrorMessage = "Unable to resolve to shared library.";
return NULL;
}
/*
* dlsym()
* Obtain the address to symbol from a dlopen() object.
*/
void * os400_dlsym(void *handle, const char * name)
{
void *symbolAddress = NULL;
int exportType;
Qus_EC_t err = {sizeof(err),0 };
dlErrorMessage = NULL;
#pragma exception_handler (LBL_RSLV_EH, 0,_C1_ALL,_C2_MH_ESCAPE |_C2_MH_FUNCTION_CHECK, _CTLA_HANDLE)
// Get the function pointer.
// Export type of 1 means that that the pointer is to a procedure.
QleGetExp ((int *)handle,0,0,(char *)name,&symbolAddress,&exportType,&err);
if (err.Bytes_Available)
{
dlErrorMessage = "Unable to resolve to procedure in shared library.";
return NULL;
}
return symbolAddress;
#pragma disable_handler
LBL_RSLV_EH:
dlErrorMessage = "Unable to resolve to procedure in shared library.";
return NULL;
}
/*
* ==========================================
* dlclose()
* Close a dlopen() object.
* ==========================================
*/
int os400_dlclose(void *handle)
{
dlErrorMessage = NULL;
*(int *)handle = -1;
free(handle);
return 0;
}
/*
* ==========================================
* dlclose()
* Close a dlopen() object.
* ==========================================
*/
char * os400_dlerror()
{
char *retError = dlErrorMessage;
dlErrorMessage = NULL;
return retError;
}
/* ---------------------------------------------------------------------------------*/
/* ---------------------------------------------------------------------------------*/
/* Below are routines to handle conversion between ascii and ebcdic */
/* */
/* The tables below are used to translate single byte data, and should never */
/* be used to translate data that is not single byte. */
/* ---------------------------------------------------------------------------------*/
/* ---------------------------------------------------------------------------------*/
/* constToAsc conversion table generated by ebcdic 37 -> ascii 819 */
const char EBCDICtoASCII[256] = {
/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
0, 1, 2, 3, 156, 9, 134, 127, 151, 141, 142, 11, 12, 13, 14, 15,
16, 17, 18, 19, 157, 133, 8, 135, 24, 25, 146, 143, 28, 29, 30, 31,
128, 129, 130, 131, 132, 10, 23, 27, 136, 137, 138, 139, 140, 5, 6, 7,
144, 145, 22, 147, 148, 149, 150, 4, 152, 153, 154, 155, 20, 21, 158, 26,
32, 160, 226, 228, 224, 225, 227, 229, 231, 241, 162, 46, 60, 40, 43, 124,
38, 233, 234, 235, 232, 237, 238, 239, 236, 223, 33, 36, 42, 41, 59, 172,
45, 47, 194, 196, 192, 193, 195, 197, 199, 209, 166, 44, 37, 95, 62, 63,
248, 201, 202, 203, 200, 205, 206, 207, 204, 96, 58, 35, 64, 39, 61, 34,
216, 97, 98, 99, 100, 101, 102, 103, 104, 105, 171, 187, 240, 253, 254, 177,
176, 106, 107, 108, 109, 110, 111, 112, 113, 114, 170, 186, 230, 184, 198, 164,
181, 126, 115, 116, 117, 118, 119, 120, 121, 122, 161, 191, 208, 221, 222, 174,
94, 163, 165, 183, 169, 167, 182, 188, 189, 190, 91, 93, 175, 168, 180, 215,
123, 65, 66, 67, 68, 69, 70, 71, 72, 73, 173, 244, 246, 242, 243, 245,
125, 74, 75, 76, 77, 78, 79, 80, 81, 82, 185, 251, 252, 249, 250, 255,
92, 247, 83, 84, 85, 86, 87, 88, 89, 90, 178, 212, 214, 210, 211, 213,
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 179, 219, 220, 217, 218, 159
};
/* ascToString conversion table generated by ascii 819 -> ebcdic 37 */
const char ASCIItoEBCDIC[256] = {
/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
0, 1, 2, 3, 55, 45, 46, 47, 22, 5, 37, 11, 12, 13, 14, 15,
16, 17, 18, 19, 60, 61, 50, 38, 24, 25, 63, 39, 28, 29, 30, 31,
64, 90, 127, 123, 91, 108, 80, 125, 77, 93, 92, 78, 107, 96, 75, 97,
240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 122, 94, 76, 126, 110, 111,
124, 193, 194, 195, 196, 197, 198, 199, 200, 201, 209, 210, 211, 212, 213, 214,
215, 216, 217, 226, 227, 228, 229, 230, 231, 232, 233, 186, 224, 187, 176, 109,
121, 129, 130, 131, 132, 133, 134, 135, 136, 137, 145, 146, 147, 148, 149, 150,
151, 152, 153, 162, 163, 164, 165, 166, 167, 168, 169, 192, 79, 208, 161, 7,
32, 33, 34, 35, 36, 21, 6, 23, 40, 41, 42, 43, 44, 9, 10, 27,
48, 49, 26, 51, 52, 53, 54, 8, 56, 57, 58, 59, 4, 20, 62, 255,
65, 170, 74, 177, 159, 178, 106, 181, 189, 180, 154, 138, 95, 202, 175, 188,
144, 143, 234, 250, 190, 160, 182, 179, 157, 218, 155, 139, 183, 184, 185, 171,
100, 101, 98, 102, 99, 103, 158, 104, 116, 113, 114, 115, 120, 117, 118, 119,
172, 105, 237, 238, 235, 239, 236, 191, 128, 253, 254, 251, 252, 173, 174, 89,
68, 69, 66, 70, 67, 71, 156, 72, 84, 81, 82, 83, 88, 85, 86, 87,
140, 73, 205, 206, 203, 207, 204, 225, 112, 221, 222, 219, 220, 141, 142, 223
};
/* converts an existing non constant character buffer from Ebcdic ( 37 ) */
/* to Ascii ( 819 ). */
char* strtoasc( char *string )
{
char* pch = string;
if( string == NULL ) return NULL;
/* while not EOL... */
while( *pch != (char)0 )
{
*pch = EBCDICtoASCII[*pch];
pch++;
}
return string;
}
char* buftoasc( char *b, int len )
{
char* pch = b;
if( b == NULL ) return NULL;
/* while not EOL... */
while( len > 0 )
{
*pch = EBCDICtoASCII[*pch];
pch++;len--;
}
return b;
}
/* converts an existing non-constant character buffer from ASCII ( 819 ) */
/* to EBCDIC ( 37 ). */
char* asctostr( char *string )
{
char* pch = string;
if( string == NULL ) return NULL;
/* while not EOL... */
while( *pch != (char)0 )
{
*pch = ASCIItoEBCDIC[*pch];
pch++;
}
return string;
}
char* asctobuf( char *b, int len )
{
char* pch = b;
if( b == NULL ) return NULL;
/* while not EOL... */
while( len > 0 )
{
*pch = ASCIItoEBCDIC[*pch];
pch++;len--;
}
return b;
}
char PLATFORM_DOUBLE_QUOTE_S[] = "\"";
char PLATFORM_DOUBLE_QUOTE_C = '\"';
char PLATFORM_XML_ENTITY_REFERENCE_CHARS_S[] = "<>&\"\'";
char PLATFORM_PROCESS_DECIMAL_POINT_C = '.';
static int initializePlatform()
{
char *language= "En_US";
char langID[3] = {'E' , 'N' , 'U'};
int jobCCSID = 37;
int rc = retrieveJobCcsid(&jobCCSID, langID);
if (rc == 0)
{
// double quote character is not invariant when running
// turkish ccsid (1026). That is, the hexadecimal value
// of double quote is different than when running in
// any other language. So use correct double quote character.
if (jobCCSID == 1026)
{
strcpy(PLATFORM_DOUBLE_QUOTE_S, "\xFC");
PLATFORM_DOUBLE_QUOTE_C = '\xFC';
strcpy(PLATFORM_XML_ENTITY_REFERENCE_CHARS_S, "<>&\xFC\'");
}
}
struct lconv * processLocale = localeconv();
if (processLocale != NULL)
PLATFORM_PROCESS_DECIMAL_POINT_C = *(processLocale->decimal_point);
return rc;
}
static int platformRc = initializePlatform();