Issue #1258 - Part 1: Import mailnews, ldap, and mork from comm-esr52.9.1

1 files changed, 190 insertions, 0 deletions

diff --git a/ldap/c-sdk/libraries/libldap/psearch.c b/ldap/c-sdk/libraries/libldap/psearch.c
new file mode 100644
index 000000000..71b9da90d
--- /dev/null
+++ b/ldap/c-sdk/libraries/libldap/psearch.c
@@ -0,0 +1,190 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ * 
+ * The contents of this file are subject to the Mozilla Public License Version 
+ * 1.1 (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.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ * 
+ * The Original Code is Mozilla Communicator client code, released
+ * March 31, 1998.
+ * 
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-1999
+ * the Initial Developer. All Rights Reserved.
+ * 
+ * Contributor(s):
+ * 
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ * 
+ * ***** END LICENSE BLOCK ***** */
+/*
+ * psearch.c - Persistent search and "Entry Change Notification" support.
+ */
+#include "ldap-int.h"
+
+
+int
+LDAP_CALL
+ldap_create_persistentsearch_control( LDAP *ld, int changetypes,
+    int changesonly, int return_echg_ctls, char ctl_iscritical,
+    LDAPControl **ctrlp )
+{
+    BerElement	*ber;
+    int		rc;
+
+    if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
+	return( LDAP_PARAM_ERROR );
+    }
+
+    if ( ctrlp == NULL || ( changetypes & ~LDAP_CHANGETYPE_ANY ) != 0 ) {
+	rc = LDAP_PARAM_ERROR;
+	goto report_error_and_return;
+    }
+
+    /*
+     * create a Persistent Search control.  The control value looks like this:
+     *
+     *	PersistentSearch ::= SEQUENCE {
+     *		changeTypes INTEGER,
+     *		-- the changeTypes field is the logical OR of 
+     *		-- one or more of these values: add (1), delete (2),
+     *		-- modify (4), modDN (8).  It specifies which types of
+     *		-- changes will cause an entry to be returned.
+     *		changesOnly BOOLEAN, -- skip initial search?
+     *		returnECs BOOLEAN,   -- return "Entry Change" controls?
+     *	}
+     */
+    if (( nsldapi_alloc_ber_with_options( ld, &ber )) != LDAP_SUCCESS ) {
+	rc = LDAP_NO_MEMORY;
+	goto report_error_and_return;
+    }
+
+    if ( ber_printf( ber, "{ibb}", changetypes, changesonly,
+	    return_echg_ctls ) == -1 ) {
+	ber_free( ber, 1 );
+	rc = LDAP_ENCODING_ERROR;
+	goto report_error_and_return;
+    }
+
+    rc = nsldapi_build_control( LDAP_CONTROL_PERSISTENTSEARCH, ber, 1,
+	    ctl_iscritical, ctrlp );
+
+report_error_and_return:
+    LDAP_SET_LDERRNO( ld, rc, NULL, NULL );
+    return( rc );
+}
+
+
+int
+LDAP_CALL
+ldap_parse_entrychange_control( LDAP *ld, LDAPControl **ctrls, ber_int_t *chgtypep,
+    char **prevdnp, int *chgnumpresentp, ber_int_t *chgnump )
+{
+    BerElement		*ber;
+    int				rc, i;
+    ber_int_t       changetype;
+    ber_len_t		len;
+    ber_int_t		along;
+    char			*previousdn;
+
+    if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
+	return( LDAP_PARAM_ERROR );
+    }
+
+    /*
+     * find the entry change notification in the list of controls
+     */
+    for ( i = 0; ctrls != NULL && ctrls[i] != NULL; ++i ) {
+	if ( strcmp( ctrls[i]->ldctl_oid, LDAP_CONTROL_ENTRYCHANGE ) == 0 ) {
+	    break;
+	}
+    }
+
+    if ( ctrls == NULL || ctrls[i] == NULL ) {
+	rc = LDAP_CONTROL_NOT_FOUND;
+	goto report_error_and_return;
+    }
+
+    /*
+     * allocate a BER element from the control value and parse it.  The control
+     * value should look like this:
+     *
+     *	EntryChangeNotification ::= SEQUENCE {
+     *	     changeType ENUMERATED {
+     *	 	add             (1),  -- these values match the
+     *	 	delete          (2),  -- values used for changeTypes
+     *	 	modify          (4),  -- in the PersistentSearch control.
+     *	 	modDN           (8),
+     *	     },
+     *	     previousDN   LDAPDN OPTIONAL,     -- modDN ops. only
+     *	     changeNumber INTEGER OPTIONAL,    -- if supported
+     *	}
+     */
+    if (( ber = ber_init( &(ctrls[i]->ldctl_value))) == NULL ) {
+	rc = LDAP_NO_MEMORY;
+	goto report_error_and_return;
+    }		
+
+    if ( ber_scanf( ber, "{e", &along ) == LBER_ERROR ) {
+	ber_free( ber, 1 );
+	rc = LDAP_DECODING_ERROR;
+	goto report_error_and_return;
+    }
+    changetype = along;
+
+    if ( changetype == LDAP_CHANGETYPE_MODDN ) {
+	if ( ber_scanf( ber, "a", &previousdn ) == LBER_ERROR ) {
+	    ber_free( ber, 1 );
+	    rc = LDAP_DECODING_ERROR;
+	    goto report_error_and_return;
+	}
+    } else {
+	previousdn = NULL;
+    }
+
+    if ( chgtypep != NULL ) {
+	*chgtypep = changetype;
+    }
+    if ( prevdnp != NULL ) {
+	*prevdnp = previousdn;
+    } else if ( previousdn != NULL ) {
+	NSLDAPI_FREE( previousdn );
+    }
+
+    if ( chgnump != NULL ) {	/* check for optional changenumber */
+	if ( ber_peek_tag( ber, &len ) == LBER_INTEGER
+		&& ber_get_int( ber, chgnump ) != LBER_ERROR ) {
+	    if ( chgnumpresentp != NULL ) {
+		*chgnumpresentp = 1;
+	    }
+	} else {
+	    if ( chgnumpresentp != NULL ) {
+		*chgnumpresentp = 0;
+	    }
+	}
+    }
+
+    ber_free( ber, 1 );
+    rc = LDAP_SUCCESS;
+
+report_error_and_return:
+    LDAP_SET_LDERRNO( ld, rc, NULL, NULL );
+    return( rc );
+}