#include <qsyeimapi.h>
#include <eim.h>
int QsyGetEIMConnectInfo(int lengthOfConnectInfo,
EimList * connectInfo,
EimRc * eimrc)
Service Program Name: QSYS/QSYEIMAPIThe QsyGetEIMConnectInfo() function returns the connection information that will be used by the operating system when it needs to connect to the EIM domain that is configured for this system or for the master system.
None.
The number of bytes provided by the caller for the connection information parameter. The minimum size required is 20 bytes. The API will return the number of bytes available for all of the connection information and as much data as space has been provided.
A pointer to the data to be returned.
The EimList structure contains information about the returned data. The data returned is a linked list of QsyEimConnectInfo structures. firstEntry is used to get to the first QsyEimConnectInfo structure in the linked list.
EimList structure:
typedef struct EimList
{
unsigned int bytesReturned; /* Number of bytes actually returned
by the API */
unsigned int bytesAvailable; /* Number of bytes of available data
that could have been returned by
the API */
unsigned int entriesReturned; /* Number of entries actually
returned by the API */
unsigned int entriesAvailable; /* Number of entries available to be
returned by the API */
unsigned int firstEntry; /* Displacement to the first linked
list entry. This byte offset is
relative to the start of the
EimList structure. */
} EimList;
QsyEimConnectInfo structure:
#pragma enumsize(4)
typedef struct QsyEimConnectInfo
{
unsigned int nextEntry;
/* Displacement to next entry.
This byte offset is relative
to the start of this structure. */
enum QsyEimConnectSystem connectSystem;
/* System connection info is for -
configured (0) or master (1). */
enum QsyEimConnectType connectType;
/* Connection type - simple (0),
kerberos with keytab file (1), or
kerberos with password (2) */
union {
struct {
enum EimPasswordProtect protect;
/* Protect value - no protect (0),
cram_md5 (1), or optional
cram_md5 (2) */
EimListData bindDN;
} simpleConnect; /* Protect value and bind DN, if
connectType=QSY_EIM_SIMPLE (0) */
struct {
EimListData kerberosPrincipal;
EimListData kerberosRealm;
} kerberosPwd; /* Kerberos information, if
connectType=QSY_KERBEROS_PWD (1) */
struct {
EimListData kerberosKeyTab;
EimListData kerberosPrincipal;
EimListData kerberosRealm;
} kerberosKeyTab; /* Kerberos information, if
connectType=
QSY_KERBEROS_KEYTAB (2) */
} connectInfo;
} QsyEimConnectInfo;
EimListData structure:
typedef struct EimListData
{
unsigned int length; /* Length of data */
unsigned int disp; /* Displacement to data. This byte
offset is relative to the start of
the parent structure; that is, the
structure containing this
structure */
} EimListData;
The structure in which to return error code information. If the return value is not 0, eimrc is set with additional information. This parameter may be NULL. For the format of the structure, see EimRC--EIM Return Code Parameter.
The return value from the API. Following each return value is the list of possible values for the messageCatalogMessageID field in the eimrc parameter for that value.
| EIMERR_NOLOCK (26) | Unable to allocate internal system object. |
| EIMERR_DATA_CONVERSION (13) | Error occurred when converting data between code pages. |
| EIMERR_EIMLIST_SIZE (16) | Length of EimList is not valid. EimList must be at least 20 bytes in length. |
| EIMERR_PARM_REQ (34) | Missing required parameter. Please check API documentation. |
| EIMERR_PTR_INVAL (35) | Pointer parameter is not valid. |
| EIMERR_SPACE (41) | Unexpected error accessing parameter. |
| EIMERR_NOMEM (27) | No memory available. Unable to allocate required space. |
| EIMERR_UNKNOWN (44) | Unknown error or unknown system state. |
See Code disclaimer information for information pertaining to code examples.
The following example will get connection information used by the operating system.
#include <eim.h>
#include <qsyeimapi.h>
void printListResults(EimList * list)
{
int i;
QsyEimConnectInfo * entry;
char * data;
int dataLength;
printf("\n___________");
printf("\nBytes Returned = %d", list->bytesReturned);
printf("\nBytes Available = %d", list->bytesAvailable);
printf("\nEntries Returned = %d", list->entriesReturned);
printf("\nEntries Available = %d", list->entriesAvailable);
entry = (QsyEimConnectInfo *)((char *)list + list->firstEntry);
for (i = 0; i < list->entriesReturned; i++)
{
printf("\n");
printf("\n***** Entry %d ***** ",i+1);
printf("\nConnect system : %d ",entry->connectSystem );
printf("\nConnect type : %d ",entry->connectType );
switch (entry->connectType) /* Determine connect type. */
{
case QSY_EIM_SIMPLE:
{
printf("\nProtect type : %d ",
entry->connectInfo.simpleConnect.protect );
data = ((char *)entry +
entry->connectInfo.simpleConnect.bindDN.disp );
dataLength =
entry->connectInfo.simpleConnect.bindDN.length;
printf("\n%s : ","Bind DN");
if (dataLength > 0)
printf("%.*s",dataLength, data);
else
printf("Not found.");
break;
}
case QSY_EIM_KERBEROS_KEYTAB:
{
/* Print out the keytab file name */
data = ((char *)entry + entry->
connectInfo.kerberosKeyTab.kerberosKeyTab.disp );
dataLength =
entry->connectInfo.kerberosKeyTab.kerberosKeyTab.length;
printf("\n%s : ","Keytab file name");
if (dataLength > 0)
printf("%.*s",dataLength, data);
else
printf("Not found.");
/* Print out the principal */
data = ((char *)entry + entry->
connectInfo.kerberosKeyTab.kerberosPrincipal.disp );
dataLength =
entry->connectInfo.kerberosKeyTab.kerberosPrincipal.length;
printf("\n%s : ","Kerberos principal");
if (dataLength > 0)
printf("%.*s",dataLength, data);
else
printf("Not found.");
/* Print out the realm */
data = ((char *)entry + entry->
connectInfo.kerberosKeyTab.kerberosRealm.disp );
dataLength =
entry->connectInfo.kerberosKeyTab.kerberosRealm.length;
printf("\n%s : ","Kerberos realm");
if (dataLength > 0)
printf("%.*s",dataLength, data);
else
printf("Not found.");
break;
}
case QSY_EIM_KERBEROS_PWD:
{
/* Print out the principal */
data = ((char *)entry + entry->
connectInfo.kerberosPwd.kerberosPrincipal.disp );
dataLength =
entry->connectInfo.kerberosPwd.kerberosPrincipal.length;
printf("\n%s : ","Kerberos principal");
if (dataLength > 0)
printf("%.*s",dataLength, data);
else
printf("Not found.");
/* Print out the realm */
data = ((char *)entry + entry->
connectInfo.kerberosPwd.kerberosRealm.disp );
dataLength =
entry->connectInfo.kerberosPwd.kerberosRealm.length;
printf("\n%s : ","Kerberos realm");
if (dataLength > 0)
printf("%.*s",dataLength, data);
else
printf("Not found.");
break;
}
} /* end determine connect type. */
/* advance to next entry */
entry = (QsyEimConnectInfo *)((char *)entry + entry->nextEntry);
}
printf("\n");
}
int main(int argc, char *argv[])
{
int rc;
char eimerr[100];
EimRC *err;
char listData[5000];
EimList * list = (EimList * ) listData;
err = (EimRC *)eimerr;
err->memoryProvidedByCaller = 100;
if (0 != (rc = QsyGetEIMConnectInfo(5000,
list,
err)))
{
printf("Get connection information error = %d", rc);
return -1;
}
printListResults(list);
return 0;
}
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