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

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<meta name="Copyright" content="Copyright (c) 2006 by IBM Corporation">
<title>eimListRegistryUsers()--List EIM Registry Users</title>
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<a name="Top_Of_Page"></a>
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<h2>eimListRegistryUsers()-- List
EIM Registry Users</h2>
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<div class="box" style="width: 80%;">
<br>
&nbsp;&nbsp;Syntax
<pre>
#include &lt;eim.h&gt;
int eimListRegistryUsers(EimHandle * <em>eim</em>,
char * <em>registryName</em>,
char * <em>registryUserName</em>,
unsigned int <em>lengthOfListData</em>,
EimList * <em>listData</em>,
EimRC * <em>eimrc</em>)
</pre>
&nbsp;&nbsp;Service Program Name: QSYS/QSYEIM&nbsp;&nbsp;<br>
<!-- iddvc RMBR -->
<br>
&nbsp;&nbsp;Default Public Authority: *USE<br>
<!-- iddvc RMBR -->
<br>
&nbsp;&nbsp;Threadsafe: Yes<br>
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<br>
</div>
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<!-- D E S C R I P T I O N -->
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<p>The <strong>eimListRegistryUsers()</strong> function lists the users in a
particular registry that have target associations defined.</p>
<br>
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<!-- -->
<!-- A U T H O R I T I E S A N D L O C K S -->
<!-- -->
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<h3>Authorities and Locks</h3>
<dl>
<dt><em>EIM Data</em></dt>
<dd>Access to EIM data is controlled by EIM access groups. LDAP administrators
also have access to EIM data. The access groups whose members have authority to
the EIM data for this API follow:
<ul>
<li>EIM Administrator</li>
<li>EIM Registries Administrator</li>
<li>EIM Identifiers Administrator</li>
<li>EIM Mapping Lookup</li>
<li>EIM authority to an individual registry</li>
</ul>
<p>The list returned contains only the information that the user has authority
to access.</p>
</dd>
</dl>
<br>
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<!-- P A R A M E T E R S -->
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<h3>Parameters</h3>
<dl><!-- ============================================================== -->
<!-- eim -->
<!-- ============================================================== -->
<dt><strong>eim</strong>&nbsp;&nbsp;(Input)</dt>
<dd>The EIM handle returned by a previous call to eimCreateHandle(). A valid
connection is required for this function.<br>
<br>
</dd>
<!-- ============================================================== -->
<!-- registryName -->
<!-- ============================================================== -->
<dt><strong>registryName</strong>&nbsp;&nbsp;(Input)</dt>
<dd>The name of the registry that contains this user.<br>
<br>
</dd>
<!-- ============================================================== -->
<!-- registryUserName -->
<!-- ============================================================== -->
<dt><strong>registryUserName</strong>&nbsp;&nbsp;(Input)</dt>
<dd>The name of the user in this registry to list. NULL will indicate all
users.<br>
<br>
</dd>
<!-- ============================================================== -->
<!-- lengthOfListData -->
<!-- ============================================================== -->
<dt><strong>lengthOfListData</strong>&nbsp;&nbsp;(Input)</dt>
<dd>The number of bytes provided by the caller for the <em>listData</em>
parameter. The minimum size required is 20 bytes.<br>
<br>
</dd>
<!-- ============================================================== -->
<!-- listData -->
<!-- ============================================================== -->
<dt><strong>listData</strong>&nbsp;&nbsp;(Output)</dt>
<dd>A pointer to the EimList structure.
<p>The EimList structure contains information about the returned data. The API
will return as much data as space has been provided. The data returned is a
linked list of EimRegistryUser structures. firstEntry is used to get to the
first EimRegistryUser structure in the linked list.</p>
<!-- ============================================================== -->
<!-- -->
<!-- EimList -->
<!-- ============================================================== -->
<p>EimList structure:</p>
<pre>
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;
</pre>
<!-- ============================================================== -->
<!-- EimRegistryUser -->
<!-- ============================================================== -->
<p>EimRegistryUser structure:</p>
<pre>
typedef struct EimRegistryUser
{
unsigned int nextEntry; /* Displacement to next entry. This
byte offset is relative to the
start of this structure. */
EimListData registryUserName; /* Name */
EimListData description; /* Description */
EimSubList additionalInfo; /* EimAddlInfo sublist */
<img src="delta.gif" alt="Start of change">
EimSubList credentialInfo; /* EimCredentialInfo sublist */
<img src="deltaend.gif" alt="End of change">
} EimRegistryUser;
</pre>
<p>Registry users may have several additional attributes. In the
EimRegistryUser structure, additionalInfo gives addressability to the first
EimAddlInfo structure that contains a linked list of attributes.</p>
<!-- ============================================================== -->
<!-- EimAddlInfo -->
<!-- ============================================================== -->
<p>EimAddlInfo structure:</p>
<pre>
typedef struct EimAddlInfo
{
unsigned int nextEntry; /* Displacement to next entry. This
byte offset is relative to the
start of this structure. */
EimListData addlInfo; /* Additional info */
} EimAddlInfo;
</pre>
<p>
<img src="delta.gif" alt="Start of change">
This API will always return 0 for the numbers of entries in the credentialInfo
sublist. If you need access to the credential information, use the List
EIM Registry Users Credentials (eimListRegistryUsersCreds) API.
<img src="deltaend.gif" alt="End of change">
</p>
<!-- ============================================================== -->
<!-- EimSubList -->
<!-- ============================================================== -->
<p>EimSubList structure:</p>
<pre>
typedef struct EimSubList
{
unsigned int listNum; /* Number of entries in the list */
unsigned int disp; /* Displacement to sublist. This
byte offset is relative to the
start of the parent structure;
that is, the structure containing
this structure. */
} EimSubList;
</pre>
<!-- ============================================================== -->
<!-- EimListData -->
<!-- ============================================================== -->
<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>
<!-- ============================================================== -->
<!-- eimrc -->
<!-- ============================================================== -->
<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>
<br>
<!-- ============================================================== -->
<!-- -->
<!-- R E T U R N V A L U E -->
<!-- -->
<!-- ============================================================== -->
<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><!-- ============================================================== -->
<!-- 0 -->
<!-- ============================================================== -->
<dt><strong>0</strong></dt>
<dd>Request was successful.<br>
<br>
</dd>
<!-- ============================================================== -->
<!-- EACCES -->
<!-- ============================================================== -->
<dt><strong>EACCES</strong></dt>
<dd>Access denied. Not enough permissions to access data.<br>
<br>
<table cellpadding="5">
<tr>
<td align="left" valign="top"><em>EIMERR_ACCESS (1)</em></td>
<td align="left" valign="top">Insufficient access to EIM data.</td>
</tr>
</table>
<br>
</dd>
<!-- ============================================================== -->
<!-- EBADDATA -->
<!-- ============================================================== -->
<dt><strong>EBADDATA</strong></dt>
<dd>eimrc is not valid.<br>
<br>
</dd>
<!-- ============================================================== -->
<!-- EBADNAME -->
<!-- ============================================================== -->
<dt><strong>EBADNAME</strong></dt>
<dd>Registry not found or insufficient access to EIM data.<br>
<br>
<table cellpadding="5">
<tr>
<td align="left" valign="top"><em>EIMERR_NOREG (28)</em></td>
<td align="left" valign="top">EIM Registry not found or insufficient access to
EIM data.</td>
</tr>
</table>
<br>
</dd>
<!-- ============================================================== -->
<!-- EBUSY -->
<!-- ============================================================== -->
<dt><strong>EBUSY</strong></dt>
<dd>Unable to allocate internal system object.<br>
<br>
<table cellpadding="5">
<tr>
<td align="left" valign="top"><em>EIMERR_NOLOCK (26)</em></td>
<td align="left" valign="top">Unable to allocate internal system object.</td>
</tr>
</table>
<br>
</dd>
<!-- ============================================================== -->
<!-- ECONVERT -->
<!-- ============================================================== -->
<dt><strong>ECONVERT</strong></dt>
<dd>Data conversion error.<br>
<br>
<table cellpadding="5">
<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>
<!-- ============================================================== -->
<!-- EINVAL -->
<!-- ============================================================== -->
<dt><strong>EINVAL</strong></dt>
<dd>Input parameter was not valid.<br>
<br>
<table cellpadding="5">
<tr>
<td align="left" valign="top"><em>EIMERR_EIMLIST_SIZE (16)</em></td>
<td align="left" valign="top">Length of EimList is not valid. EimList must be
at least 20 bytes in length.</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_HANDLE_INVAL (17)</em></td>
<td align="left" valign="top">EimHandle 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>
<br>
</dd>
<!-- ============================================================== -->
<!-- ENOMEM -->
<!-- ============================================================== -->
<dt><strong>ENOMEM</strong></dt>
<dd>Unable to allocate required space.<br>
<br>
<table cellpadding="5">
<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>
<!-- ============================================================== -->
<!-- ENOTCONN -->
<!-- ============================================================== -->
<dt><strong>ENOTCONN</strong></dt>
<dd>LDAP connection has not been made.<br>
<br>
<table cellpadding="5">
<tr>
<td align="left" valign="top"><em>EIMERR_NOT_CONN (31)</em></td>
<td align="left" valign="top">Not connected to LDAP. Use eimConnect() API and
try the request again.</td>
</tr>
</table>
<br>
</dd>
<!-- ============================================================== -->
<!-- EUNKNOWN -->
<!-- ============================================================== -->
<dt><strong>EUNKNOWN</strong></dt>
<dd>Unexpected exception.<br>
<br>
<table cellpadding="5">
<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_UNEXP_OBJ_VIOLATION (56)</em></td>
<td align="left" valign="top">Unexpected object violation.</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>
<br>
<!-- ============================================================== -->
<!-- -->
<!-- U S A G E N O T E S -->
<!-- -->
<!-- ============================================================== -->
<!-- ============================================================== -->
<!-- -->
<!-- R E L A T E D I N F O R M A T I O N -->
<!-- -->
<!-- ============================================================== -->
<h3>Related Information</h3>
<ul>
<li><a href="eimchangeregistryuser.htm">eimChangeRegistryUser()</a>--Change EIM
Registry User<br>
<br>
</li>
<li><a href="eimlistregistryuserscreds.htm">eimListRegistryUsersCreds()</a>--List EIM
Registry Users Credentials<br>
<br>
</li>
</ul>
<br>
<!-- ============================================================== -->
<!-- -->
<!-- E X A M P L E -->
<!-- -->
<!-- ============================================================== -->
<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 lists all users in the specified registry.</p>
<pre>
#include &lt;eim.h&gt;
#include &lt;stddef.h&gt;
#include &lt;stdio.h&gt;
#include &lt;stdlib.h&gt;
void printListResults(EimList * list);
void printSubListData(char * fieldName,
void * entry,
int offset);
void printListData(char * fieldName,
void * entry,
int offset);
int main(int argc, char *argv[])
{
int rc;
char eimerr[100];
EimRC * err;
EimHandle * handle;
char listData[1000];
EimList * list = (EimList * ) listData;
<em>/* Get eim handle from input arg. */</em>
<em>/* This handle is already connected to EIM. */</em>
handle = (EimHandle *)argv[1];
<em>/* Set up error structure. */</em>
memset(eimerr,0x00,100);
err = (EimRC *)eimerr;
err-&gt;memoryProvidedByCaller = 100;
<em>/* Get registry user */</em>
if (0 != (rc = eimListRegistryUsers(handle,
"MyRegistry",
NULL,
1000,
list,
err)))
{
printf("List registry users error = %d", rc);
return -1;
}
<em>/* Print the results */</em>
printListResults(list);
return 0;
}
void printListResults(EimList * list)
{
int i;
EimRegistryUser * entry;
printf("___________\n");
printf(" bytesReturned = %d\n", list-&gt;bytesReturned);
printf(" bytesAvailable = %d\n", list-&gt;bytesAvailable);
printf(" entriesReturned = %d\n", list-&gt;entriesReturned);
printf(" entriesAvailable = %d\n", list-&gt;entriesAvailable);
printf("\n");
entry = (EimRegistryUser *)((char *)list + list-&gt;firstEntry);
for (i = 0; i &lt; list-&gt;entriesReturned; i++)
{
printf("\n");
printf("===============\n");
printf("Entry %d.\n", i);
<em>/* Print out results */</em>
printListData("Registry user name",
entry,
offsetof(EimRegistryUser, registryUserName));
printListData("description",
entry,
offsetof(EimRegistryUser, description));
printSubListData("Additional information",
entry,
offsetof(EimRegistryUser, additionalInfo));
<em>/* advance to next entry */</em>
entry = (EimRegistryUser *)((char *)entry + entry-&gt;nextEntry);
}
printf("\n");
}
void printSubListData(char * fieldName,
void * entry,
int offset)
{
int i;
EimSubList * subList;
EimAddlInfo * subentry;
<em>/* Address the EimSubList object */</em>
subList = (EimSubList *)((char *)entry + offset);
if (subList-&gt;listNum &gt; 0)
{
subentry = (EimAddlInfo *)((char *)entry + subList-&gt;disp);
for (i = 0; i &lt; subList-&gt;listNum; i++)
{
<em>/* Print out results */</em>
printListData(fieldName,
subentry,
offsetof(EimAddlInfo, addlInfo));
<em>/* advance to next entry */</em>
subentry = (EimAddlInfo *)((char *)subentry +
subentry-&gt;nextEntry);
}
}
}
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-&gt;disp;
dataLength = listData-&gt;length;
if (dataLength &gt; 0)
printf("%.*s\n",dataLength, data);
else
printf("Not found.\n");
}
</pre>
<br>
<!-- ============================================================== -->
<!-- -->
<!-- F O O T E R -->
<!-- -->
<!-- ============================================================== -->
<hr>
API introduced: V5R2
<hr>
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