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/**
* PROPRIETARY/CONFIDENTIAL. Use of this product is subject to
* license terms. Copyright © 2001 Sun Microsystems, Inc.
* Some preexisting portions Copyright © 2001 Netscape Communications Corp.
* All rights reserved.
*/
/*
* vcard.c -- vCard utility functions -- HTTP gateway
*
* Copyright (c) 1997 Netscape Communications Corp.
* All rights reserved.
*/
#include "dsgw.h"
#include "dbtdsgw.h"
#include "ldif.h"
static int entry2vcard( LDAP *ld, char *dn, char *mimetype,
dsgwvcprop *vcprops, char **lderrtxtp );
static void write_vcard_property( char *prop, char *val, char *val2,
int is_mls );
static void emit_vcard_headers( char *mimetype );
static char **vcard_ldapattrs( dsgwvcprop *vcprops );
static void dsgw_puts( char *s );
#define DSGW_VCARD_MIMEHDR_TEXTDIR "text/directory;profile=vcard"
#define DSGW_VCARD_MIMEHDR_XVCARD "text/x-vcard"
#define DSGW_VCARD_VERSION "2.1"
#define DSGW_VCARD_PROP_VERSION "VERSION"
#define DSGW_VCARD_PROP_BEGIN "BEGIN"
#define DSGW_VCARD_PROP_END "END"
#define DSGW_VCARD_BEGINEND_VALUE "vCard"
void
dsgw_vcard_from_entry( LDAP *ld, char *dn, char *mimetype )
{
int lderr;
char *lderrtxt;
if (( lderr = entry2vcard( ld, dn, mimetype, gc->gc_vcardproperties,
&lderrtxt )) != LDAP_SUCCESS ) {
dsgw_error( DSGW_ERR_LDAPGENERAL, NULL, DSGW_ERROPT_EXIT, lderr,
lderrtxt );
}
}
/*
* Retrieve the LDAP entry "dn" and write a vCard representation of it
* to stdout.
*/
static int
entry2vcard( LDAP *ld, char *dn, char *mimetype, dsgwvcprop *vcprops,
char **lderrtxtp )
{
int i, rc, is_mls;
char **ldattrs, **vals, **vals2;
dsgwvcprop *vcp;
LDAPMessage *msgp, *entry;
ldattrs = vcard_ldapattrs( vcprops );
/* Read the entry. */
if (( rc = ldap_search_s( ld, dn, LDAP_SCOPE_BASE, "objectClass=*",
ldattrs, 0, &msgp )) != LDAP_SUCCESS ) {
(void)ldap_get_lderrno( ld, NULL, lderrtxtp );
return( rc );
}
if (( entry = ldap_first_entry( ld, msgp )) == NULL ) {
ldap_msgfree( msgp );
return( ldap_get_lderrno( ld, NULL, lderrtxtp ));
}
/*
* Output the vCard headers plus the BEGIN marker and VERSION tag.
* once we do this we are committed to producing a vCard MIME object
* so we must return LDAP_SUCCESS.
*/
emit_vcard_headers( mimetype );
write_vcard_property( DSGW_VCARD_PROP_BEGIN, DSGW_VCARD_BEGINEND_VALUE,
NULL, 0 );
write_vcard_property( DSGW_VCARD_PROP_VERSION, DSGW_VCARD_VERSION,
NULL, 0 );
/* Output the properties.
* Note that for the secondary LDAP attribute we only use the
* first value returned by the server. I am sure someone won't
* like this but anything else is silly since the main vCard
* property we use a secondary LDAP attribute for is the "N"
* property which looks like "sn;givenName". We really have no way
* of knowing which surname goes with which givenName so it looks
* better not to create lots of "N" properties if there are multiple
* givenNames.
*/
for ( vcp = vcprops; vcp != NULL; vcp = vcp->dsgwvcprop_next ) {
vals = ldap_get_values( ld, entry, vcp->dsgwvcprop_ldaptype );
if ( vcp->dsgwvcprop_ldaptype2 == NULL ) {
vals2 = NULL;
} else {
vals2 = ldap_get_values( ld, entry, vcp->dsgwvcprop_ldaptype2 );
}
if ( vals == NULL && vals2 == NULL ) {
continue;
}
is_mls = ( strcmp( vcp->dsgwvcprop_syntax, "mls" ) == 0 );
if ( vals != NULL ) {
for ( i = 0; vals[ i ] != NULL; ++i ) {
write_vcard_property( vcp->dsgwvcprop_property,
vals[i], vals2 == NULL ? NULL : vals2[0], is_mls );
}
} else {
for ( i = 0; vals2[ i ] != NULL; ++i ) {
write_vcard_property( vcp->dsgwvcprop_property,
NULL, vals2[i], is_mls );
}
}
if ( vals != NULL ) {
ldap_value_free( vals );
}
if ( vals2 != NULL ) {
ldap_value_free( vals2 );
}
}
/* Output the vCard END marker. */
write_vcard_property( DSGW_VCARD_PROP_END, DSGW_VCARD_BEGINEND_VALUE,
NULL, 0 );
/* Cleanup after ourselves. */
ldap_msgfree( msgp );
return( LDAP_SUCCESS );
}
/*
* output a single vCard text property.
*/
static void
write_vcard_property( char *prop, char *val, char *val2, int is_mls )
{
char *s, *p, *tmpv, *mlsv;
tmpv = mlsv = NULL;
if ( val == NULL ) {
val = "";
}
if ( val2 != NULL ) {
tmpv = (char *)dsgw_ch_malloc( strlen( val ) + strlen( val2 ) + 2 );
sprintf( tmpv, "%s;%s", val, val2 );
val = tmpv;
}
if ( is_mls ) {
val = mlsv = dsgw_mls_convertlines( val, ";", NULL, 0, 0 );
}
if (( s = ldif_type_and_value( prop, val, strlen( val ))) != NULL ) {
/*
* vCard base64 rules are different than for LDIF so check and repair
* if necessary.
*/
if (( p = strchr( s, ':' )) != NULL && *(p+1) == ':' ) {
*p++ = '\0'; ++p;
dsgw_emits( s );
dsgw_emits( ";BASE64:\n " );
dsgw_emits( p );
dsgw_emits( "\n" );
} else {
dsgw_emits( s );
}
free( s );
}
if ( tmpv != NULL ) {
free( tmpv );
}
if ( mlsv != NULL ) {
free( mlsv );
}
}
/*
* emit vCard Content-Type header, etc.
*/
static void
emit_vcard_headers( char *mimetype )
{
if ( mimetype == NULL || *mimetype == '\0' ) {
mimetype = DSGW_VCARD_MIMEHDR_TEXTDIR; /* default */
}
dsgw_puts( "Content-Type: " );
dsgw_puts( mimetype );
if ( gc->gc_charset != NULL && *gc->gc_charset != '\0' ) {
dsgw_puts( ";charset=" );
dsgw_puts( gc->gc_charset );
}
dsgw_puts( "\n\n" );
}
/*
* output a simple string without charset conversion (used for MIME headers)
*/
static void
dsgw_puts( char *s )
{
dsgw_fputn( stdout, s, strlen( s ));
}
/*
* return list of LDAP attributes we need to fetch
*/
static char **
vcard_ldapattrs( dsgwvcprop *vcprops )
{
dsgwvcprop *vcp;
int count;
static char **attrs = NULL;
if ( attrs != NULL ) {
return( attrs );
}
count = 0;
for ( vcp = vcprops; vcp != NULL; vcp = vcp->dsgwvcprop_next ) {
++count;
if ( vcp->dsgwvcprop_ldaptype2 != NULL ) {
++count;
}
}
attrs = (char **)dsgw_ch_malloc(( count + 1 ) * sizeof( char * ));
count = 0;
for ( vcp = vcprops; vcp != NULL; vcp = vcp->dsgwvcprop_next ) {
attrs[ count++ ] = vcp->dsgwvcprop_ldaptype;
if ( vcp->dsgwvcprop_ldaptype2 != NULL ) {
attrs[ count++ ] = vcp->dsgwvcprop_ldaptype2;
}
}
attrs[ count ] = NULL;
return( attrs );
}
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