ibm-information-center/dist/eclipse/plugins/i5OS.ic.apis_5.4.0.1/eimretrieveconfiguration.htm

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<title>eimRetrieveConfiguration()--Retrieve EIM Configuration</title>
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<h2>eimRetrieveConfiguration()--Retrieve EIM Configuration</h2>
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<br>
&nbsp;&nbsp;Syntax
<pre>
#include &lt;eim.h&gt;
int eimRetrieveConfiguration(unsigned int <em>lengthOfEimConfig</em>,
EimConfig * <em>configData</em>,
int <em>ccsid</em>,
EimRC * <em>eimrc</em>)
</pre>
&nbsp;&nbsp;Service Program Name: QSYS/QSYEIM<br>
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&nbsp;&nbsp;Default Public Authority: *USE<br>
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&nbsp;&nbsp;Threadsafe: Yes<br>
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<p>The <strong>eimRetrieveConfiguration()</strong> function
retrieves the EIM configuration information for this system.</p>
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<h3>Authorities and Locks</h3>
<p>No authorization is required.</p>
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<h3>Parameters</h3>
<dl>
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<dt><strong>lengthOfEimConfig</strong>&nbsp;&nbsp;(Input)</dt>
<dd>The number of bytes provided by the caller for the configuration information.
Minimal size required is 36 bytes.
<br><br></dd>
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<dt><strong>configData</strong>&nbsp;&nbsp;(Output)</dt>
<dd>A pointer to the data to be returned.
<p>The EimConfig structure contains information about the returned data.
The API will return as much data as space has been provided.</p>
<p>EimConfig structure:</p>
<pre>
typedef struct EimConfig
{
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. */
int enable; /* Flag to indicate if enabled to
participate in EIM domain
0 = not enabled
1 = enabled */
EimListData ldapURL; /* ldap URL for domain controller */
EimListData localRegistry; /* Local system registry */
EimListData kerberosRegistry; /* Kerberos registry */
EimListData x509Registry; /* X.509 registry */
} EimConfig;
</pre>
<p>EimListData structure:</p>
<pre>
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;
</pre>
</dd>
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<dt><strong>ccsid </strong>&nbsp;&nbsp;(Input)</dt>
<dd>The ccsid for the output data. If the ccsid is 0 or 65535 the
default job ccsid will be used.
<br><br></dd>
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<!-- eimrc -->
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<dt><strong>eimrc</strong>&nbsp;&nbsp;(Input/Output)</dt>
<dd>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 <a href="eimrc.htm">EimRC--EIM Return Code
Parameter</a>.
<br><br></dd>
</dl>
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<h3>Return Value</h3>
<p>The return value from the API. Following each return value is the list of
possible values for the
<samp>messageCatalogMessageID</samp> field in the <em>eimrc</em> parameter
for that value.</p>
<dl>
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<dt><strong>0</strong></dt>
<dd>Request was successful.<br>
<br>
</dd>
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<dt><strong>EBADDATA </strong></dt>
<dd>eimrc is not valid.<br>
<br>
</dd>
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<dt><strong>ECONVERT </strong></dt>
<dd>Data conversion error.<br>
<br>
<table cellpadding="5">
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<tr>
<td align="left" valign="top"><em>EIMERR_DATA_CONVERSION (13)</em></td>
<td align="left" valign="top">Error occurred when converting data between code pages.</td>
</tr>
</table>
<br>
</dd>
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<dt><strong>EINVAL </strong></dt>
<dd>Input parameter was not valid.<br>
<br>
<table cellpadding="5">
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<tr>
<td align="left" valign="top"><em>EIMERR_CCSID_INVAL (8)</em></td>
<td align="left" valign="top">CCSID is outside of valid range or CCSID is not supported.</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_CONFIG_SIZE (10)</em></td>
<td align="left" valign="top">Length of EimConfig is not valid.</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_PARM_REQ (34)</em></td>
<td align="left" valign="top">Missing required parameter. Please check API documentation.</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_PTR_INVAL (35)</em></td>
<td align="left" valign="top">Pointer parameter is not valid.</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_SPACE (41)</em></td>
<td align="left" valign="top">Unexpected error accessing parameter.</td>
</tr>
</table>
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</dd>
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<dt><strong>ENOMEM </strong></dt>
<dd>Unable to allocate required space.<br>
<br>
<table cellpadding="5">
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<tr>
<td align="left" valign="top"><em>EIMERR_NOMEM (27)</em></td>
<td align="left" valign="top">No memory available. Unable to allocate required space.</td>
</tr>
</table>
<br>
</dd>
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<dt><strong>EUNKNOWN </strong></dt>
<dd>Unexpected exception.<br>
<br>
<table cellpadding="5">
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<tr>
<td align="left" valign="top"><em>EIMERR_LDAP_ERR (23)</em></td>
<td align="left" valign="top">Unexpected LDAP error. %s</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_UNKNOWN (44)</em></td>
<td align="left" valign="top">Unknown error or unknown system state.</td>
</tr>
</table>
</dd>
</dl>
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<h3>Related Information</h3>
<ul>
<li><a href="eimsetconfiguration.htm">eimSetConfiguration()</a>
--Set EIM Configuration<br>
<br>
</li>
</ul>
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<h3>Example</h3>
<p>See <a href="../apiref/aboutapis.htm#codedisclaimer">Code disclaimer information</a>
for information pertaining to code examples.</p>
<p>The following example retrieves the configuration information and
prints out the results..
</p>
<pre>
#include &lt;eim.h&gt;
#include &lt;stddef.h&gt;
#include &lt;stdio.h&gt;
#include &lt;stdlib.h&gt;
void printListData(char * fieldName,
void * entry,
int offset);
int main (int argc, char *argv[])
{
int rc;
char eimerr[100];
EimRC * err;
char listData[4000];
EimConfig * list = (EimConfig * ) listData;
<em>/* Set up error structure. */</em>
memset(eimerr,0x00,100);
err = (EimRC *)eimerr;
err->memoryProvidedByCaller = 100;
<em>/* Get configuration information */</em>
if (0 != (rc = eimRetrieveConfiguration(4000,
list,
0,
err)))
{
printf("Retrieve configuration error = %d", rc);
return -1;
}
<em>/* Print the results */</em>
printf("___________\n");
printf(" bytesReturned = %d\n", list->bytesReturned);
printf(" bytesAvailable = %d\n", list->bytesAvailable);
printf("\n");
if (0 == list->enable)
printf("Disabled.\n");
else
printf("Enabled.\n");
printListData("ldap URL",
list,
offsetof(EimConfig, ldapURL));
printListData("local Registry",
list,
offsetof(EimConfig, localRegistry));
printListData("kerberos registry",
list,
offsetof(EimConfig, kerberosRegistry));
printListData("x.509 registry",
list,
offsetof(EimConfig, x509Registry));
return 0;
}
void printListData(char * fieldName,
void * entry,
int offset)
{
EimListData * listData;
char * data;
int dataLength;
printf(" %s = ",fieldName);
<em>/* Address the EimListData object */</em>
listData = (EimListData *)((char *)entry + offset);
<em>/* Print out results */</em>
data = (char *)entry + listData->disp;
dataLength = listData->length;
if (dataLength > 0)
printf("%.*s\n",dataLength, data);
else
printf("Not found.\n");
}
</pre>
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API introduced: V5R2
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