/*
 * Copyright (c) 2001 by Sun Microsystems, Inc.
 * All rights reserved.
 */

/*
 * The contents of this file are subject to the Netscape 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/NPL/
 *
 * 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 Netscape are
 * Copyright (C) 1998-1999 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s):
 */

/*
 * tmplout.c:  display template library output routines for LDAP clients
 *
 */

#include "ldap-int.h"
#include "disptmpl.h"

#if defined(_WINDOWS) || defined(aix) || defined(SCOOS) || defined(OSF1) || defined(SOLARIS)
#include <time.h> /* for struct tm and ctime */
#endif


/* This is totally lame, since it should be coming from time.h, but isn't. */
#if defined(SOLARIS)
char *ctime_r(const time_t *, char *, int);
#endif

static int do_entry2text( LDAP *ld, char *buf, char *base, LDAPMessage *entry,
        struct ldap_disptmpl *tmpl, char **defattrs, char ***defvals,
        writeptype writeproc, void *writeparm, char *eol, int rdncount,
        unsigned long opts, char *urlprefix );
static int do_entry2text_search( LDAP *ld, char *dn, char *base,
        LDAPMessage *entry, struct ldap_disptmpl *tmpllist, char **defattrs,
        char ***defvals, writeptype writeproc, void *writeparm, char *eol,
        int rdncount, unsigned long opts, char *urlprefix );
static int do_vals2text( LDAP *ld, char *buf, char **vals, char *label,
        int labelwidth, unsigned long syntaxid, writeptype writeproc,
        void *writeparm, char *eol, int rdncount, char *urlprefix );
static int max_label_len( struct ldap_disptmpl *tmpl );
static int output_label( char *buf, char *label, int width,
        writeptype writeproc, void *writeparm, char *eol, int html );
static int output_dn( char *buf, char *dn, int width, int rdncount,
        writeptype writeproc, void *writeparm, char *eol, char *urlprefix );
static void strcat_escaped( char *s1, char *s2 );
static char *time2text( char *ldtimestr, int dateonly );
static long gtime( struct tm *tm );
static int searchaction( LDAP *ld, char *buf, char *base, LDAPMessage *entry,
        char *dn, struct ldap_tmplitem *tip, int labelwidth, int rdncount,
        writeptype writeproc, void *writeparm, char *eol, char *urlprefix );

#define DEF_LABEL_WIDTH         15
#define SEARCH_TIMEOUT_SECS     120
#define OCATTRNAME              "objectClass"


#define NONFATAL_LDAP_ERR( err )        ( err == LDAP_SUCCESS || \
        err == LDAP_TIMELIMIT_EXCEEDED || err == LDAP_SIZELIMIT_EXCEEDED )

#define DEF_LDAP_URL_PREFIX     "ldap:///"


int
LDAP_CALL
ldap_entry2text(
        LDAP                    *ld,
        char                    *buf,           /* NULL for "use internal" */
        LDAPMessage             *entry,
        struct ldap_disptmpl    *tmpl,
        char                    **defattrs,
        char                    ***defvals,
        writeptype              writeproc,
        void                    *writeparm,
        char                    *eol,
        int                     rdncount,
        unsigned long           opts
)
{
    LDAPDebug( LDAP_DEBUG_TRACE, "ldap_entry2text\n", 0, 0, 0 );

    return( do_entry2text( ld, buf, NULL, entry, tmpl, defattrs, defvals,
                writeproc, writeparm, eol, rdncount, opts, NULL ));

}



int
LDAP_CALL
ldap_entry2html(
        LDAP                    *ld,
        char                    *buf,           /* NULL for "use internal" */
        LDAPMessage             *entry,
        struct ldap_disptmpl    *tmpl,
        char                    **defattrs,
        char                    ***defvals,
        writeptype              writeproc,
        void                    *writeparm,
        char                    *eol,
        int                     rdncount,
        unsigned long           opts,
        char                    *base,
        char                    *urlprefix
)
{
    LDAPDebug( LDAP_DEBUG_TRACE, "ldap_entry2html\n", 0, 0, 0 );

    if ( urlprefix == NULL ) {
        urlprefix = DEF_LDAP_URL_PREFIX;
    }

    return( do_entry2text( ld, buf, base, entry, tmpl, defattrs, defvals,
                writeproc, writeparm, eol, rdncount, opts, urlprefix ));
}


static int
do_entry2text(
        LDAP                    *ld,
        char                    *buf,           /* NULL for use-internal */
        char                    *base,          /* used for search actions */
        LDAPMessage             *entry,
        struct ldap_disptmpl    *tmpl,
        char                    **defattrs,
        char                    ***defvals,
        writeptype              writeproc,
        void                    *writeparm,
        char                    *eol,
        int                     rdncount,
        unsigned long           opts,
        char                    *urlprefix      /* if non-NULL, do HTML */
)
{
    int                         i, err, html, show, labelwidth;
    int                         freebuf,  freevals;
    char                        *dn, **vals;
    struct ldap_tmplitem        *rowp, *colp;

    if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
        return( LDAP_PARAM_ERROR );
    }

    if ( writeproc == NULL ||
            !NSLDAPI_VALID_LDAPMESSAGE_ENTRY_POINTER( entry )) {
        err = LDAP_PARAM_ERROR;
        LDAP_SET_LDERRNO( ld, err, NULL, NULL );
        return( err );
    }

    if (( dn = ldap_get_dn( ld, entry )) == NULL ) {
        return( LDAP_GET_LDERRNO( ld, NULL, NULL ) );
    }

    if ( buf == NULL ) {
        if (( buf = NSLDAPI_MALLOC( LDAP_DTMPL_BUFSIZ )) == NULL ) {
            err = LDAP_NO_MEMORY;
            LDAP_SET_LDERRNO( ld, err, NULL, NULL );
            NSLDAPI_FREE( dn );
            return( err );
        }
        freebuf = 1;
    } else {
        freebuf = 0;
    }

    html = ( urlprefix != NULL );

    if ( html ) {
        /*
         * add HTML intro. and title
         */
        if (!(( opts & LDAP_DISP_OPT_HTMLBODYONLY ) != 0 )) {
            sprintf( buf, "<HTML>%s<HEAD>%s<TITLE>%s%s - ", eol, eol, eol,
                    ( tmpl == NULL ) ? "Entry" : tmpl->dt_name );
            (*writeproc)( writeparm, buf, strlen( buf ));
            output_dn( buf, dn, 0, rdncount, writeproc, writeparm, "", NULL );
            sprintf( buf, "%s</TITLE>%s</HEAD>%s<BODY>%s<H3>%s - ", eol, eol,
                    eol, eol, ( tmpl == NULL ) ? "Entry" : tmpl->dt_name );
            (*writeproc)( writeparm, buf, strlen( buf ));
            output_dn( buf, dn, 0, rdncount, writeproc, writeparm, "", NULL );
            sprintf( buf, "</H3>%s", eol );
            (*writeproc)( writeparm, buf, strlen( buf ));
        }

        if (( opts & LDAP_DISP_OPT_NONLEAF ) != 0 &&
                ( vals = ldap_explode_dn( dn, 0 )) != NULL ) {
            char        *untagged;

            /*
             * add "Move Up" link
             */
            sprintf( buf, "<A HREF=\"%s", urlprefix );
            for ( i = 1; vals[ i ] != NULL; ++i ) {
                if ( i > 1 ) {
                     strcat_escaped( buf, ", " );
                }
                strcat_escaped( buf, vals[ i ] );
            }
            if ( vals[ 1 ] != NULL ) {
                untagged = strchr( vals[ 1 ], '=' );
            } else {
                untagged = "=The World";
            }
            sprintf( buf + strlen( buf ),
                    "%s\">Move Up To <EM>%s</EM></A>%s<BR>",
                    ( vals[ 1 ] == NULL ) ? "??one" : "",
                    ( untagged != NULL ) ? untagged + 1 : vals[ 1 ], eol );
            (*writeproc)( writeparm, buf, strlen( buf ));

            /*
             * add "Browse" link
             */
            untagged = strchr( vals[ 0 ], '=' );
            sprintf( buf, "<A HREF=\"%s", urlprefix );
            strcat_escaped( buf, dn );
            sprintf( buf + strlen( buf ), "??one?(!(objectClass=dsa))\">Browse Below <EM>%s</EM></A>%s%s",
                    ( untagged != NULL ) ? untagged + 1 : vals[ 0 ], eol, eol );
            (*writeproc)( writeparm, buf, strlen( buf ));

            ldap_value_free( vals );
        }

        (*writeproc)( writeparm, "<HR>", 4 );   /* horizontal rule */
    } else {
        (*writeproc)( writeparm, "\"", 1 );
        output_dn( buf, dn, 0, rdncount, writeproc, writeparm, "", NULL );
        sprintf( buf, "\"%s", eol );
        (*writeproc)( writeparm, buf, strlen( buf ));
    }

    if ( tmpl != NULL && ( opts & LDAP_DISP_OPT_AUTOLABELWIDTH ) != 0 ) {
        labelwidth = max_label_len( tmpl ) + 3;
    } else {
        labelwidth = DEF_LABEL_WIDTH;;
    }

    err = LDAP_SUCCESS;

    if ( tmpl == NULL ) {
        BerElement      *ber;
        char            *attr;

        ber = NULL;
        for ( attr = ldap_first_attribute( ld, entry, &ber );
                NONFATAL_LDAP_ERR( err ) && attr != NULL;
                attr = ldap_next_attribute( ld, entry, ber )) {
            if (( vals = ldap_get_values( ld, entry, attr )) == NULL ) {
                freevals = 0;
                if ( defattrs != NULL ) {
                    for ( i = 0; defattrs[ i ] != NULL; ++i ) {
                        if ( strcasecmp( attr, defattrs[ i ] ) == 0 ) {
                            break;
                        }
                    }
                    if ( defattrs[ i ] != NULL ) {
                        vals = defvals[ i ];
                    }
                }
            } else {
                freevals = 1;
            }

            if ( islower( *attr )) {    /* cosmetic -- upcase attr. name */
                *attr = toupper( *attr );
            }

            err = do_vals2text( ld, buf, vals, attr, labelwidth,
                    LDAP_SYN_CASEIGNORESTR, writeproc, writeparm, eol,
                    rdncount, urlprefix );
            if ( freevals ) {
                ldap_value_free( vals );
            }
        }
        if ( ber == NULL ) {
            ber_free( ber, 0 );
        }
        /*
         * XXX check for errors in ldap_first_attribute/ldap_next_attribute
         * here (but what should we do if there was one?)
         */

    } else {
        for ( rowp = ldap_first_tmplrow( tmpl );
                NONFATAL_LDAP_ERR( err ) && rowp != NULLTMPLITEM;
                rowp = ldap_next_tmplrow( tmpl, rowp )) {
            for ( colp = ldap_first_tmplcol( tmpl, rowp ); colp != NULLTMPLITEM;
                    colp = ldap_next_tmplcol( tmpl, rowp, colp )) {
                vals = NULL;
                if ( colp->ti_attrname == NULL || ( vals = ldap_get_values( ld,
                        entry, colp->ti_attrname )) == NULL ) {
                    freevals = 0;
                    if ( !LDAP_IS_TMPLITEM_OPTION_SET( colp,
                            LDAP_DITEM_OPT_HIDEIFEMPTY ) && defattrs != NULL
                            && colp->ti_attrname != NULL ) {
                        for ( i = 0; defattrs[ i ] != NULL; ++i ) {
                            if ( strcasecmp( colp->ti_attrname, defattrs[ i ] )
                                    == 0 ) {
                                break;
                            }
                        }
                        if ( defattrs[ i ] != NULL ) {
                            vals = defvals[ i ];
                        }
                    }
                } else {
                    freevals = 1;
                    if ( LDAP_IS_TMPLITEM_OPTION_SET( colp,
                            LDAP_DITEM_OPT_SORTVALUES ) && vals[ 0 ] != NULL
                            && vals[ 1 ] != NULL ) {
                        ldap_sort_values(ld, vals, ldap_sort_strcasecmp);
                    }
                }

                /*
                 * don't bother even calling do_vals2text() if no values
                 * or boolean with value false and "hide if false" option set
                 */
                show = ( vals != NULL && vals[ 0 ] != NULL );
                if ( show && LDAP_GET_SYN_TYPE( colp->ti_syntaxid )
                        == LDAP_SYN_TYPE_BOOLEAN && LDAP_IS_TMPLITEM_OPTION_SET(
                        colp, LDAP_DITEM_OPT_HIDEIFFALSE ) &&
                        toupper( vals[ 0 ][ 0 ] ) != 'T' ) {
                    show = 0;
                }

                if ( colp->ti_syntaxid == LDAP_SYN_SEARCHACTION ) {
                    if (( opts & LDAP_DISP_OPT_DOSEARCHACTIONS ) != 0 ) {
                        if ( colp->ti_attrname == NULL || ( show &&
                                toupper( vals[ 0 ][ 0 ] ) == 'T' )) {
                            err = searchaction( ld, buf, base, entry, dn, colp,
                                    labelwidth, rdncount, writeproc,
                                    writeparm, eol, urlprefix );
                        }
                    }
                    show = 0;
                }

                if ( show ) {
                    err = do_vals2text( ld, buf, vals, colp->ti_label,
                        labelwidth, colp->ti_syntaxid, writeproc, writeparm,
                        eol, rdncount, urlprefix );
                }

                if ( freevals ) {
                    ldap_value_free( vals );
                }
            }
        }
    }

    if ( html  && !(( opts & LDAP_DISP_OPT_HTMLBODYONLY ) != 0 )) {
        sprintf( buf, "</BODY>%s</HTML>%s", eol, eol );
        (*writeproc)( writeparm, buf, strlen( buf ));
    }

    NSLDAPI_FREE( dn );
    if ( freebuf ) {
        NSLDAPI_FREE( buf );
    }

    return( err );
}


int
LDAP_CALL
ldap_entry2text_search(
        LDAP                    *ld,
        char                    *dn,            /* if NULL, use entry */
        char                    *base,          /* if NULL, no search actions */
        LDAPMessage             *entry,         /* if NULL, use dn */
        struct ldap_disptmpl*   tmpllist,       /* if NULL, load default file */
        char                    **defattrs,
        char                    ***defvals,
        writeptype              writeproc,
        void                    *writeparm,
        char                    *eol,
        int                     rdncount,       /* if 0, display full DN */
        unsigned long           opts
)
{
    LDAPDebug( LDAP_DEBUG_TRACE, "ldap_entry2text_search\n", 0, 0, 0 );

    return( do_entry2text_search( ld, dn, base, entry, tmpllist, defattrs,
            defvals, writeproc, writeparm, eol, rdncount, opts, NULL ));
}



int
LDAP_CALL
ldap_entry2html_search(
        LDAP                    *ld,
        char                    *dn,            /* if NULL, use entry */
        char                    *base,          /* if NULL, no search actions */
        LDAPMessage             *entry,         /* if NULL, use dn */
        struct ldap_disptmpl*   tmpllist,       /* if NULL, load default file */
        char                    **defattrs,
        char                    ***defvals,
        writeptype              writeproc,
        void                    *writeparm,
        char                    *eol,
        int                     rdncount,       /* if 0, display full DN */
        unsigned long           opts,
        char                    *urlprefix
)
{
    LDAPDebug( LDAP_DEBUG_TRACE, "ldap_entry2html_search\n", 0, 0, 0 );

    return( do_entry2text_search( ld, dn, base, entry, tmpllist, defattrs,
            defvals, writeproc, writeparm, eol, rdncount, opts, urlprefix ));
}


static int
do_entry2text_search(
        LDAP                    *ld,
        char                    *dn,            /* if NULL, use entry */
        char                    *base,          /* if NULL, no search actions */
        LDAPMessage             *entry,         /* if NULL, use dn */
        struct ldap_disptmpl*   tmpllist,       /* if NULL, no template used */
        char                    **defattrs,
        char                    ***defvals,
        writeptype              writeproc,
        void                    *writeparm,
        char                    *eol,
        int                     rdncount,       /* if 0, display full DN */
        unsigned long           opts,
        char                    *urlprefix
)
{
    int                         err, freedn;
    char                        *buf, **fetchattrs, **vals;
    LDAPMessage                 *ldmp;
    struct ldap_disptmpl        *tmpl;
    struct timeval              timeout;

    if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
        return( LDAP_PARAM_ERROR );
    }

    if ( dn == NULL && entry == NULLMSG ) {
        err = LDAP_PARAM_ERROR;
        LDAP_SET_LDERRNO( ld, err, NULL, NULL );
        return( err );
    }

    timeout.tv_sec = SEARCH_TIMEOUT_SECS;
    timeout.tv_usec = 0;

    if (( buf = NSLDAPI_MALLOC( LDAP_DTMPL_BUFSIZ )) == NULL ) {
        err = LDAP_NO_MEMORY;
        LDAP_SET_LDERRNO( ld, err, NULL, NULL );
        return( err );
    }

    freedn = 0;
    tmpl = NULL;

    if ( dn == NULL ) {
        if (( dn = ldap_get_dn( ld, entry )) == NULL ) {
            NSLDAPI_FREE( buf );
            return( LDAP_GET_LDERRNO( ld, NULL, NULL ) );
        }
        freedn = 1;
    }


    if ( tmpllist != NULL ) {
        ldmp = NULLMSG;

        if ( entry == NULL ) {
            char        *ocattrs[2];

            ocattrs[0] = OCATTRNAME;
            ocattrs[1] = NULL;
#ifdef CLDAP
            if ( LDAP_IS_CLDAP( ld ))
                    err = cldap_search_s( ld, dn, LDAP_SCOPE_BASE,
                        "objectClass=*", ocattrs, 0, &ldmp, NULL );
            else
#endif /* CLDAP */
                    err = ldap_search_st( ld, dn, LDAP_SCOPE_BASE,
                            "objectClass=*", ocattrs, 0, &timeout, &ldmp );

            if ( err == LDAP_SUCCESS ) {
                entry = ldap_first_entry( ld, ldmp );
            }
        }

        if ( entry != NULL ) {
            vals = ldap_get_values( ld, entry, OCATTRNAME );
            tmpl = ldap_oc2template( vals, tmpllist );
            if ( vals != NULL ) {
                ldap_value_free( vals );
            }
        }
        if ( ldmp != NULL ) {
            ldap_msgfree( ldmp );
        }
    }

    entry = NULL;

    if ( tmpl == NULL ) {
        fetchattrs = NULL;
    } else {
        fetchattrs = ldap_tmplattrs( tmpl, NULL, 1, LDAP_SYN_OPT_DEFER );
    }

#ifdef CLDAP
    if ( LDAP_IS_CLDAP( ld ))
        err = cldap_search_s( ld, dn, LDAP_SCOPE_BASE, "objectClass=*",
                fetchattrs, 0, &ldmp, NULL );
    else
#endif /* CLDAP */
        err = ldap_search_st( ld, dn, LDAP_SCOPE_BASE, "objectClass=*",
                fetchattrs, 0, &timeout, &ldmp );

    if ( freedn ) {
        NSLDAPI_FREE( dn );
    }
    if ( fetchattrs != NULL ) {
        ldap_value_free( fetchattrs );
    }

    if ( err != LDAP_SUCCESS ||
            ( entry = ldap_first_entry( ld, ldmp )) == NULL ) {
        NSLDAPI_FREE( buf );
        return( LDAP_GET_LDERRNO( ld, NULL, NULL ) );
    }

    err = do_entry2text( ld, buf, base, entry, tmpl, defattrs, defvals,
            writeproc, writeparm, eol, rdncount, opts, urlprefix );

    NSLDAPI_FREE( buf );
    ldap_msgfree( ldmp );
    return( err );
}


int
LDAP_CALL
ldap_vals2text(
        LDAP                    *ld,
        char                    *buf,           /* NULL for "use internal" */
        char                    **vals,
        char                    *label,
        int                     labelwidth,     /* 0 means use default */
        unsigned long           syntaxid,
        writeptype              writeproc,
        void                    *writeparm,
        char                    *eol,
        int                     rdncount
)
{
    LDAPDebug( LDAP_DEBUG_TRACE, "ldap_vals2text\n", 0, 0, 0 );

    return( do_vals2text( ld, buf, vals, label, labelwidth, syntaxid,
                writeproc, writeparm, eol, rdncount, NULL ));
}


int
LDAP_CALL
ldap_vals2html(
        LDAP                    *ld,
        char                    *buf,           /* NULL for "use internal" */
        char                    **vals,
        char                    *label,
        int                     labelwidth,     /* 0 means use default */
        unsigned long           syntaxid,
        writeptype              writeproc,
        void                    *writeparm,
        char                    *eol,
        int                     rdncount,
        char                    *urlprefix
)
{
    LDAPDebug( LDAP_DEBUG_TRACE, "ldap_vals2html\n", 0, 0, 0 );

    if ( urlprefix == NULL ) {
        urlprefix = DEF_LDAP_URL_PREFIX;
    }

    return( do_vals2text( ld, buf, vals, label, labelwidth, syntaxid,
                writeproc, writeparm, eol, rdncount, urlprefix ));
}


static int
do_vals2text(
        LDAP                    *ld,
        char                    *buf,           /* NULL for "use internal" */
        char                    **vals,
        char                    *label,
        int                     labelwidth,     /* 0 means use default */
        unsigned long           syntaxid,
        writeptype              writeproc,
        void                    *writeparm,
        char                    *eol,
        int                     rdncount,
        char                    *urlprefix
)
{
    int         err, i, html, writeoutval, freebuf, notascii;
    char        *p, *s, *outval;

    if ( !NSLDAPI_VALID_LDAP_POINTER( ld ) || writeproc == NULL ) {
        return( LDAP_PARAM_ERROR );
    }

    if ( vals == NULL ) {
        return( LDAP_SUCCESS );
    }

    html = ( urlprefix != NULL );

    switch( LDAP_GET_SYN_TYPE( syntaxid )) {
    case LDAP_SYN_TYPE_TEXT:
    case LDAP_SYN_TYPE_BOOLEAN:
        break;          /* we only bother with these two types... */
    default:
        return( LDAP_SUCCESS );
    }

    if ( labelwidth == 0 || labelwidth < 0 ) {
        labelwidth = DEF_LABEL_WIDTH;
    }

    if ( buf == NULL ) {
        if (( buf = NSLDAPI_MALLOC( LDAP_DTMPL_BUFSIZ )) == NULL ) {
            err = LDAP_NO_MEMORY;
            LDAP_SET_LDERRNO( ld, err, NULL, NULL );
            return( err );
        }
        freebuf = 1;
    } else {
        freebuf = 0;
    }

    output_label( buf, label, labelwidth, writeproc, writeparm, eol, html );

    for ( i = 0; vals[ i ] != NULL; ++i ) {
        for ( p = vals[ i ]; *p != '\0'; ++p ) {
            if ( !isascii( *p )) {
                break;
            }
        }
        notascii = ( *p != '\0' );
        outval = notascii ? dgettext(TEXT_DOMAIN,
                "(unable to display non-ASCII text value)")
                : vals[ i ];

        writeoutval = 0;        /* if non-zero, write outval after switch */

        switch( syntaxid ) {
        case LDAP_SYN_CASEIGNORESTR:
            ++writeoutval;
            break;

        case LDAP_SYN_RFC822ADDR:
            if ( html ) {
                strcpy( buf, "<DD><A HREF=\"mailto:" );
                strcat_escaped( buf, outval );
                sprintf( buf + strlen( buf ), "\">%s</A><BR>%s", outval, eol );
                (*writeproc)( writeparm, buf, strlen( buf ));
            } else {
                ++writeoutval;
            }
            break;

        case LDAP_SYN_DN:       /* for now */
            output_dn( buf, outval, labelwidth, rdncount, writeproc,
                    writeparm, eol, urlprefix );
            break;

        case LDAP_SYN_MULTILINESTR:
            if ( i > 0 && !html ) {
                output_label( buf, label, labelwidth, writeproc,
                        writeparm, eol, html );
            }

            p = s = outval;
            while (( s = strchr( s, '$' )) != NULL ) {
                *s++ = '\0';
                while ( ldap_utf8isspace( s )) {
                    ++s;
                }
                if ( html ) {
                    sprintf( buf, "<DD>%s<BR>%s", p, eol );
                } else {
                    sprintf( buf, "%-*s%s%s", labelwidth, " ", p, eol );
                }
                (*writeproc)( writeparm, buf, strlen( buf ));
                p = s;
            }
            outval = p;
            ++writeoutval;
            break;

        case LDAP_SYN_BOOLEAN:
            outval = toupper( outval[ 0 ] ) == 'T' ?
                dgettext(TEXT_DOMAIN, "TRUE") : dgettext(TEXT_DOMAIN, "FALSE");
            ++writeoutval;
            break;

        case LDAP_SYN_TIME:
        case LDAP_SYN_DATE:
            outval = time2text( outval, syntaxid == LDAP_SYN_DATE );
            ++writeoutval;
            break;

        case LDAP_SYN_LABELEDURL:
            if ( !notascii && ( p = strchr( outval, '$' )) != NULL ) {
                *p++ = '\0';
                while ( ldap_utf8isspace( p )) {
                    ++p;
                }
                s = outval;
            } else if ( !notascii && ( s = strchr( outval, ' ' )) != NULL ) {
                *s++ = '\0';
                while ( ldap_utf8isspace( s )) {
                    ++s;
                }
                p = outval;
            } else {
                s = "URL";
                p = outval;
            }

            /*
             * at this point `s' points to the label & `p' to the URL
             */
            if ( html ) {
                sprintf( buf, "<DD><A HREF=\"%s\">%s</A><BR>%s", p, s, eol );
            } else {
                sprintf( buf, "%-*s%s%s%-*s%s%s", labelwidth, " ",
                    s, eol, labelwidth + 2, " ",p , eol );
            }
            (*writeproc)( writeparm, buf, strlen( buf ));
            break;

        default:
            sprintf( buf, dgettext(TEXT_DOMAIN,
                " Can't display item type %ld%s"),
                    syntaxid, eol );
            (*writeproc)( writeparm, buf, strlen( buf ));
        }

        if ( writeoutval ) {
            if ( html ) {
                sprintf( buf, "<DD>%s<BR>%s", outval, eol );
            } else {
                sprintf( buf, "%-*s%s%s", labelwidth, " ", outval, eol );
            }
            (*writeproc)( writeparm, buf, strlen( buf ));
        }
    }

    if ( freebuf ) {
        NSLDAPI_FREE( buf );
    }

    return( LDAP_SUCCESS );
}


static int
max_label_len( struct ldap_disptmpl *tmpl )
{
    struct ldap_tmplitem        *rowp, *colp;
    int                         len, maxlen;

    maxlen = 0;

    for ( rowp = ldap_first_tmplrow( tmpl ); rowp != NULLTMPLITEM;
            rowp = ldap_next_tmplrow( tmpl, rowp )) {
        for ( colp = ldap_first_tmplcol( tmpl, rowp ); colp != NULLTMPLITEM;
                colp = ldap_next_tmplcol( tmpl, rowp, colp )) {
            if (( len = strlen( colp->ti_label )) > maxlen ) {
                maxlen = len;
            }
        }
    }

    return( maxlen );
}


static int
output_label( char *buf, char *label, int width, writeptype writeproc,
        void *writeparm, char *eol, int html )
{
    char        *p;

    if ( html ) {
        sprintf( buf, "<DT><B>%s</B>", label );
    } else {
        auto size_t w;
        sprintf( buf, " %s:", label );
        p = buf + strlen( buf );

        for (w = ldap_utf8characters(buf); w < (size_t)width; ++w) {
            *p++ = ' ';
        }

        *p = '\0';
        strcat( buf, eol );
    }

    return ((*writeproc)( writeparm, buf, strlen( buf )));
}


static int
output_dn( char *buf, char *dn, int width, int rdncount,
        writeptype writeproc, void *writeparm, char *eol, char *urlprefix )
{
    char        **dnrdns;
    int         i;

    if (( dnrdns = ldap_explode_dn( dn, 1 )) == NULL ) {
        return( -1 );
    }

    if ( urlprefix != NULL ) {
        sprintf( buf, "<DD><A HREF=\"%s", urlprefix );
        strcat_escaped( buf, dn );
        strcat( buf, "\">" );
    } else if ( width > 0 ) {
        sprintf( buf, "%-*s", width, " " );
    } else {
        *buf = '\0';
    }

    for ( i = 0; dnrdns[ i ] != NULL && ( rdncount == 0 || i < rdncount );
            ++i ) {
        if ( i > 0 ) {
            strcat( buf, ", " );
        }
        strcat( buf, dnrdns[ i ] );
    }

    if ( urlprefix != NULL ) {
        strcat( buf, "</A><BR>" );
    }

    ldap_value_free( dnrdns );

    strcat( buf, eol );

    return ((*writeproc)( writeparm, buf, strlen( buf )));
}



#define HREF_CHAR_ACCEPTABLE( c )       (( c >= '-' && c <= '9' ) ||    \
                                         ( c >= '@' && c <= 'Z' ) ||    \
                                         ( c == '_' ) ||                \
                                         ( c >= 'a' && c <= 'z' ))

static void
strcat_escaped( char *s1, char *s2 )
{
    char        *p, *q;
    char        *hexdig = "0123456789ABCDEF";

    p = s1 + strlen( s1 );
    for ( q = s2; *q != '\0'; ++q ) {
        if ( HREF_CHAR_ACCEPTABLE( *q )) {
            *p++ = *q;
        } else {
            *p++ = '%';
            *p++ = hexdig[ 0x0F & ((*(unsigned char*)q) >> 4) ];
            *p++ = hexdig[ 0x0F & *q ];
        }
    }

    *p = '\0';
}


#define GET2BYTENUM( p )        (( *p - '0' ) * 10 + ( *(p+1) - '0' ))

static char *
time2text( char *ldtimestr, int dateonly )
{
    int                 len;
    struct tm           t;
    char                *p, *timestr, zone, *fmterr =
                                dgettext(TEXT_DOMAIN, "badly formatted time");
    time_t              gmttime;
/* CTIME for this platform doesn't use this. */
#if !defined(SUNOS4) && !defined(BSDI) && !defined(LINUX1_2) && \
    !defined(SNI) && !defined(_WIN32) && !defined(macintosh) && !defined(LINUX)
    char                buf[26];
#endif

    memset( (char *)&t, 0, sizeof( struct tm ));
    if (( len = (int)strlen( ldtimestr )) < 13 ) {
        return( fmterr );
    }
    if ( len > 15 ) {   /* throw away excess from 4-digit year time string */
        len = 15;
    } else if ( len == 14 ) {
        len = 13;       /* assume we have a time w/2-digit year (len=13) */
    }

    for ( p = ldtimestr; p - ldtimestr + 1 < len; ++p ) {
        if ( !isdigit( *p )) {
            return( fmterr );
        }
    }

    p = ldtimestr;
    t.tm_year = GET2BYTENUM( p ); p += 2;
    if ( len == 15 ) {
        t.tm_year = 100 * (t.tm_year - 19);
        t.tm_year += GET2BYTENUM( p ); p += 2;
    }
    else {
        /* 2 digit years...assumed to be in the range (19)70 through
           (20)69 ...less than 70 (for now, 38) means 20xx */
        if(t.tm_year < 70) {
            t.tm_year += 100;
        }
    }
    t.tm_mon = GET2BYTENUM( p ) - 1; p += 2;
    t.tm_mday = GET2BYTENUM( p ); p += 2;
    t.tm_hour = GET2BYTENUM( p ); p += 2;
    t.tm_min = GET2BYTENUM( p ); p += 2;
    t.tm_sec = GET2BYTENUM( p ); p += 2;

    if (( zone = *p ) == 'Z' ) {        /* GMT */
        zone = '\0';    /* no need to indicate on screen, so we make it null */
    }

    gmttime = gtime( &t );
    timestr = NSLDAPI_CTIME( &gmttime, buf, sizeof(buf) );

    timestr[ strlen( timestr ) - 1 ] = zone;    /* replace trailing newline */
    if ( dateonly ) {
        strcpy( timestr + 11, timestr + 20 );
    }

    return( timestr );
}



/* gtime.c - inverse gmtime */

#if !defined( macintosh ) && !defined( _WINDOWS ) && !defined( DOS ) && !defined(XP_OS2)
#include <sys/time.h>
#endif /* !macintosh */

/* gtime(): the inverse of localtime().
        This routine was supplied by Mike Accetta at CMU many years ago.
 */

static int      dmsize[] = {
    31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
};

#define dysize(y)       \
        (((y) % 4) ? 365 : (((y) % 100) ? 366 : (((y) % 400) ? 365 : 366)))

/*
#define YEAR(y)         ((y) >= 100 ? (y) : (y) + 1900)
*/
#define YEAR(y)         (((y) < 1900) ? ((y) + 1900) : (y))

/*  */

static long     gtime ( struct tm *tm )
{
    register int    i,
                    sec,
                    mins,
                    hour,
                    mday,
                    mon,
                    year;
    register long   result;

    if ((sec = tm -> tm_sec) < 0 || sec > 59
            || (mins = tm -> tm_min) < 0 || mins > 59
            || (hour = tm -> tm_hour) < 0 || hour > 24
            || (mday = tm -> tm_mday) < 1 || mday > 31
            || (mon = tm -> tm_mon + 1) < 1 || mon > 12)
        return ((long) -1);
    if (hour == 24) {
        hour = 0;
        mday++;
    }
    year = YEAR (tm -> tm_year);

    result = 0L;
    for (i = 1970; i < year; i++)
        result += dysize (i);
    if (dysize (year) == 366 && mon >= 3)
        result++;
    while (--mon)
        result += dmsize[mon - 1];
    result += mday - 1;
    result = 24 * result + hour;
    result = 60 * result + mins;
    result = 60 * result + sec;

    return result;
}

static int
searchaction( LDAP *ld, char *buf, char *base, LDAPMessage *entry, char *dn,
        struct ldap_tmplitem *tip, int labelwidth, int rdncount,
        writeptype writeproc, void *writeparm, char *eol, char *urlprefix )
{
    int                 err = LDAP_SUCCESS, lderr, i, count, html;
    char                **vals, **members;
    char                *value, *filtpattern, *attr;
    char                *retattrs[2], filter[ 256 ];
    LDAPMessage         *ldmp;
    struct timeval      timeout;

    html = ( urlprefix != NULL );

    for ( i = 0; tip->ti_args != NULL && tip->ti_args[ i ] != NULL; ++i ) {
        ;
    }
    if ( i < 3 ) {
        return( LDAP_PARAM_ERROR );
    }
    attr = tip->ti_args[ 0 ];
    filtpattern = tip->ti_args[ 1 ];
    retattrs[ 0 ] = tip->ti_args[ 2 ];
    retattrs[ 1 ] = NULL;

    vals = NULL;
    if ( attr == NULL ) {
        value = NULL;
    } else if ( strcasecmp( attr, "-dnb" ) == 0 ) {
        return( LDAP_PARAM_ERROR );
    } else if ( strcasecmp( attr, "-dnt" ) == 0 ) {
        value = dn;
    } else if (( vals = ldap_get_values( ld, entry, attr )) != NULL ) {
        value = vals[ 0 ];
    } else {
        value = NULL;
    }

    ldap_build_filter( filter, sizeof( filter ), filtpattern, NULL, NULL, NULL,
            value, NULL );

    if ( html ) {
        /*
         * if we are generating HTML, we add an HREF link that embodies this
         * search action as an LDAP URL, instead of actually doing the search
         * now.
         */
        sprintf( buf, "<DT><A HREF=\"%s", urlprefix );
        if ( base != NULL ) {
            strcat_escaped( buf, base );
        }
        strcat( buf, "??sub?" );
        strcat_escaped( buf, filter );
        sprintf( buf + strlen( buf ), "\"><B>%s</B></A><DD><BR>%s",
                tip->ti_label, eol );
        if ((*writeproc)( writeparm, buf, strlen( buf )) < 0 ) {
            return( LDAP_LOCAL_ERROR );
        }
        return( LDAP_SUCCESS );
    }

    timeout.tv_sec = SEARCH_TIMEOUT_SECS;
    timeout.tv_usec = 0;

#ifdef CLDAP
    if ( LDAP_IS_CLDAP( ld ))
        lderr = cldap_search_s( ld, base, LDAP_SCOPE_SUBTREE, filter, retattrs,
                0, &ldmp, NULL );
    else
#endif /* CLDAP */
        lderr = ldap_search_st( ld, base, LDAP_SCOPE_SUBTREE, filter,
                retattrs, 0, &timeout, &ldmp );

    if ( lderr == LDAP_SUCCESS || NONFATAL_LDAP_ERR( lderr )) {
        if (( count = ldap_count_entries( ld, ldmp )) > 0 ) {
            if (( members = (char **)NSLDAPI_MALLOC( (count + 1)
                    * sizeof(char *))) == NULL ) {
                err = LDAP_NO_MEMORY;
            } else {
                for ( i = 0, entry = ldap_first_entry( ld, ldmp );
                        entry != NULL;
                        entry = ldap_next_entry( ld, entry ), ++i ) {
                    members[ i ] = ldap_get_dn( ld, entry );
                }
                members[ i ] = NULL;

                ldap_sort_values(ld,members, ldap_sort_strcasecmp);

                err = do_vals2text( ld, NULL, members, tip->ti_label,
                        html ? -1 : 0, LDAP_SYN_DN, writeproc, writeparm,
                        eol, rdncount, urlprefix );

                ldap_value_free( members );
            }
        }
        ldap_msgfree( ldmp );
    }


    if ( vals != NULL ) {
        ldap_value_free( vals );
    }

    return(( err == LDAP_SUCCESS ) ? lderr : err );
}