/* accesslog.c - log operations for audit/history purposes */
/* $OpenLDAP: pkg/ldap/servers/slapd/overlays/accesslog.c,v 1.2.2.23 2007/01/25 12:42:01 hyc Exp $ */
/* This work is part of OpenLDAP Software .
*
* Copyright 2005-2007 The OpenLDAP Foundation.
* Portions copyright 2004-2005 Symas Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* .
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by Howard Chu for inclusion in
* OpenLDAP Software.
*/
#include "portable.h"
#ifdef SLAPD_OVER_ACCESSLOG
#include
#include
#include
#include "slap.h"
#include "config.h"
#include "lutil.h"
#include "ldap_rq.h"
#define LOG_OP_ADD 0x001
#define LOG_OP_DELETE 0x002
#define LOG_OP_MODIFY 0x004
#define LOG_OP_MODRDN 0x008
#define LOG_OP_COMPARE 0x010
#define LOG_OP_SEARCH 0x020
#define LOG_OP_BIND 0x040
#define LOG_OP_UNBIND 0x080
#define LOG_OP_ABANDON 0x100
#define LOG_OP_EXTENDED 0x200
#define LOG_OP_UNKNOWN 0x400
#define LOG_OP_WRITES (LOG_OP_ADD|LOG_OP_DELETE|LOG_OP_MODIFY|LOG_OP_MODRDN)
#define LOG_OP_READS (LOG_OP_COMPARE|LOG_OP_SEARCH)
#define LOG_OP_SESSION (LOG_OP_BIND|LOG_OP_UNBIND|LOG_OP_ABANDON)
#define LOG_OP_ALL (LOG_OP_READS|LOG_OP_WRITES|LOG_OP_SESSION| \
LOG_OP_EXTENDED|LOG_OP_UNKNOWN)
typedef struct log_info {
BackendDB *li_db;
slap_mask_t li_ops;
int li_age;
int li_cycle;
struct re_s *li_task;
Filter *li_oldf;
Entry *li_old;
int li_success;
ldap_pvt_thread_mutex_t li_op_mutex;
ldap_pvt_thread_mutex_t li_log_mutex;
} log_info;
static ConfigDriver log_cf_gen;
enum {
LOG_DB = 1,
LOG_OPS,
LOG_PURGE,
LOG_SUCCESS,
LOG_OLD
};
static ConfigTable log_cfats[] = {
{ "logdb", "suffix", 2, 2, 0, ARG_DN|ARG_MAGIC|LOG_DB,
log_cf_gen, "( OLcfgOvAt:4.1 NAME 'olcAccessLogDB' "
"DESC 'Suffix of database for log content' "
"SUP distinguishedName SINGLE-VALUE )", NULL, NULL },
{ "logops", "op|writes|reads|session|all", 2, 0, 0,
ARG_MAGIC|LOG_OPS,
log_cf_gen, "( OLcfgOvAt:4.2 NAME 'olcAccessLogOps' "
"DESC 'Operation types to log' "
"EQUALITY caseIgnoreMatch "
"SYNTAX OMsDirectoryString )", NULL, NULL },
{ "logpurge", "age> bv_len = ptr - agebv->bv_val;
}
static slap_callback nullsc = { NULL, NULL, NULL, NULL };
#define PURGE_INCREMENT 100
typedef struct purge_data {
int slots;
int used;
BerVarray dn;
BerVarray ndn;
struct berval csn; /* an arbitrary old CSN */
} purge_data;
static int
log_old_lookup( Operation *op, SlapReply *rs )
{
purge_data *pd = op->o_callback->sc_private;
if ( rs->sr_type != REP_SEARCH) return 0;
if ( slapd_shutdown ) return 0;
/* Remember old CSN */
if ( pd->csn.bv_val[0] == '\0' ) {
Attribute *a = attr_find( rs->sr_entry->e_attrs,
slap_schema.si_ad_entryCSN );
if ( a ) {
int len = a->a_vals[0].bv_len;
if ( len > pd->csn.bv_len )
len = pd->csn.bv_len;
AC_MEMCPY( pd->csn.bv_val, a->a_vals[0].bv_val, len );
pd->csn.bv_len = len;
}
}
if ( pd->used >= pd->slots ) {
pd->slots += PURGE_INCREMENT;
pd->dn = ch_realloc( pd->dn, pd->slots * sizeof( struct berval ));
pd->ndn = ch_realloc( pd->ndn, pd->slots * sizeof( struct berval ));
}
ber_dupbv( &pd->dn[pd->used], &rs->sr_entry->e_name );
ber_dupbv( &pd->ndn[pd->used], &rs->sr_entry->e_nname );
pd->used++;
return 0;
}
/* Periodically search for old entries in the log database and delete them */
static void *
accesslog_purge( void *ctx, void *arg )
{
struct re_s *rtask = arg;
struct log_info *li = rtask->arg;
Connection conn = {0};
OperationBuffer opbuf;
Operation *op = (Operation *) &opbuf;
SlapReply rs = {REP_RESULT};
slap_callback cb = { NULL, log_old_lookup, NULL, NULL };
Filter f;
AttributeAssertion ava = {0};
purge_data pd = {0};
char timebuf[LDAP_LUTIL_GENTIME_BUFSIZE];
char csnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
time_t old = slap_get_time();
connection_fake_init( &conn, op, ctx );
f.f_choice = LDAP_FILTER_LE;
f.f_ava = &ava;
f.f_next = NULL;
ava.aa_desc = ad_reqStart;
ava.aa_value.bv_val = timebuf;
ava.aa_value.bv_len = sizeof(timebuf);
old -= li->li_age;
slap_timestamp( &old, &ava.aa_value );
op->o_tag = LDAP_REQ_SEARCH;
op->o_bd = li->li_db;
op->o_dn = li->li_db->be_rootdn;
op->o_ndn = li->li_db->be_rootndn;
op->o_req_dn = li->li_db->be_suffix[0];
op->o_req_ndn = li->li_db->be_nsuffix[0];
op->o_callback = &cb;
op->ors_scope = LDAP_SCOPE_ONELEVEL;
op->ors_deref = LDAP_DEREF_NEVER;
op->ors_tlimit = SLAP_NO_LIMIT;
op->ors_slimit = SLAP_NO_LIMIT;
op->ors_filter = &f;
filter2bv_x( op, &f, &op->ors_filterstr );
op->ors_attrs = slap_anlist_no_attrs;
op->ors_attrsonly = 1;
pd.csn.bv_len = sizeof( csnbuf );
pd.csn.bv_val = csnbuf;
csnbuf[0] = '\0';
cb.sc_private = &pd;
op->o_bd->be_search( op, &rs );
op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
if ( pd.used ) {
int i;
op->o_tag = LDAP_REQ_DELETE;
op->o_callback = &nullsc;
op->o_csn = pd.csn;
for (i=0; io_req_dn = pd.dn[i];
op->o_req_ndn = pd.ndn[i];
if ( !slapd_shutdown )
op->o_bd->be_delete( op, &rs );
ch_free( pd.ndn[i].bv_val );
ch_free( pd.dn[i].bv_val );
}
ch_free( pd.ndn );
ch_free( pd.dn );
}
ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
return NULL;
}
static int
log_cf_gen(ConfigArgs *c)
{
slap_overinst *on = (slap_overinst *)c->bi;
struct log_info *li = on->on_bi.bi_private;
int rc = 0;
slap_mask_t tmask = 0;
char agebuf[2*STRLENOF("ddddd+hh:mm:ss ")];
struct berval agebv, cyclebv;
switch( c->op ) {
case SLAP_CONFIG_EMIT:
switch( c->type ) {
case LOG_DB:
if ( li->li_db == NULL ) {
snprintf( c->msg, sizeof( c->msg ),
"accesslog: \"logdb \" must be specified" );
Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
c->log, c->msg, c->value_dn.bv_val );
rc = 1;
break;
}
value_add( &c->rvalue_vals, li->li_db->be_suffix );
value_add( &c->rvalue_nvals, li->li_db->be_nsuffix );
break;
case LOG_OPS:
rc = mask_to_verbs( logops, li->li_ops, &c->rvalue_vals );
break;
case LOG_PURGE:
if ( !li->li_age ) {
rc = 1;
break;
}
agebv.bv_val = agebuf;
log_age_unparse( li->li_age, &agebv );
agebv.bv_val[agebv.bv_len] = ' ';
agebv.bv_len++;
cyclebv.bv_val = agebv.bv_val + agebv.bv_len;
log_age_unparse( li->li_cycle, &cyclebv );
agebv.bv_len += cyclebv.bv_len;
value_add_one( &c->rvalue_vals, &agebv );
break;
case LOG_SUCCESS:
if ( li->li_success )
c->value_int = li->li_success;
else
rc = 1;
break;
case LOG_OLD:
if ( li->li_oldf ) {
filter2bv( li->li_oldf, &agebv );
ber_bvarray_add( &c->rvalue_vals, &agebv );
}
else
rc = 1;
break;
}
break;
case LDAP_MOD_DELETE:
switch( c->type ) {
case LOG_DB:
/* noop. this should always be a valid backend. */
break;
case LOG_OPS:
if ( c->valx < 0 ) {
li->li_ops = 0;
} else {
rc = verbs_to_mask( 1, &c->line, logops, &tmask );
if ( rc == 0 )
li->li_ops &= ~tmask;
}
break;
case LOG_PURGE:
if ( li->li_task ) {
struct re_s *re = li->li_task;
li->li_task = NULL;
if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ))
ldap_pvt_runqueue_stoptask( &slapd_rq, re );
ldap_pvt_runqueue_remove( &slapd_rq, re );
}
li->li_age = 0;
li->li_cycle = 0;
break;
case LOG_SUCCESS:
li->li_success = 0;
break;
case LOG_OLD:
if ( li->li_oldf ) {
filter_free( li->li_oldf );
li->li_oldf = NULL;
}
break;
}
break;
default:
switch( c->type ) {
case LOG_DB:
li->li_db = select_backend( &c->value_ndn, 0, 0 );
if ( !li->li_db ) {
snprintf( c->msg, sizeof( c->msg ),
"<%s> no matching backend found for suffix",
c->argv[0] );
Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
c->log, c->msg, c->value_dn.bv_val );
rc = 1;
} else if ( BER_BVISEMPTY( &li->li_db->be_rootdn )) {
snprintf( c->msg, sizeof( c->msg ),
"<%s> no rootDN was configured for suffix",
c->argv[0] );
Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
c->log, c->msg, c->value_dn.bv_val );
rc = 1;
}
ch_free( c->value_dn.bv_val );
ch_free( c->value_ndn.bv_val );
break;
case LOG_OPS:
rc = verbs_to_mask( c->argc, c->argv, logops, &tmask );
if ( rc == 0 )
li->li_ops |= tmask;
break;
case LOG_PURGE:
li->li_age = log_age_parse( c->argv[1] );
if ( li->li_age < 1 ) {
rc = 1;
} else {
li->li_cycle = log_age_parse( c->argv[2] );
if ( li->li_cycle < 1 ) {
rc = 1;
} else if ( slapMode & SLAP_SERVER_MODE ) {
struct re_s *re = li->li_task;
if ( re )
re->interval.tv_sec = li->li_cycle;
else
li->li_task = ldap_pvt_runqueue_insert( &slapd_rq,
li->li_cycle, accesslog_purge, li,
"accesslog_purge", li->li_db ?
li->li_db->be_suffix[0].bv_val :
c->be->be_suffix[0].bv_val );
}
}
break;
case LOG_SUCCESS:
li->li_success = c->value_int;
break;
case LOG_OLD:
li->li_oldf = str2filter( c->argv[1] );
if ( !li->li_oldf ) {
sprintf( c->msg, "bad filter!" );
rc = 1;
}
}
break;
}
return rc;
}
static Entry *accesslog_entry( Operation *op, int logop,
Operation *op2 ) {
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
log_info *li = on->on_bi.bi_private;
char rdnbuf[STRLENOF(RDNEQ)+LDAP_LUTIL_GENTIME_BUFSIZE+8];
char nrdnbuf[STRLENOF(RDNEQ)+LDAP_LUTIL_GENTIME_BUFSIZE+8];
struct berval rdn, nrdn, timestamp, ntimestamp, bv;
slap_verbmasks *lo = logops+logop+EN_OFFSET;
Entry *e = ch_calloc( 1, sizeof(Entry) );
strcpy( rdnbuf, RDNEQ );
rdn.bv_val = rdnbuf;
strcpy( nrdnbuf, RDNEQ );
nrdn.bv_val = nrdnbuf;
timestamp.bv_val = rdnbuf+STRLENOF(RDNEQ);
timestamp.bv_len = sizeof(rdnbuf) - STRLENOF(RDNEQ);
slap_timestamp( &op->o_time, ×tamp );
sprintf( timestamp.bv_val + timestamp.bv_len-1, ".%06dZ", op->o_tincr );
timestamp.bv_len += 7;
rdn.bv_len = STRLENOF(RDNEQ)+timestamp.bv_len;
ad_reqStart->ad_type->sat_equality->smr_normalize(
SLAP_MR_VALUE_OF_ASSERTION_SYNTAX, ad_reqStart->ad_type->sat_syntax,
ad_reqStart->ad_type->sat_equality, ×tamp, &ntimestamp,
op->o_tmpmemctx );
strcpy( nrdn.bv_val + STRLENOF(RDNEQ), ntimestamp.bv_val );
nrdn.bv_len = STRLENOF(RDNEQ)+ntimestamp.bv_len;
build_new_dn( &e->e_name, li->li_db->be_suffix, &rdn, NULL );
build_new_dn( &e->e_nname, li->li_db->be_nsuffix, &nrdn, NULL );
attr_merge_one( e, slap_schema.si_ad_objectClass,
&log_ocs[logop]->soc_cname, NULL );
attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
&log_ocs[logop]->soc_cname, NULL );
attr_merge_one( e, ad_reqStart, ×tamp, &ntimestamp );
op->o_tmpfree( ntimestamp.bv_val, op->o_tmpmemctx );
slap_op_time( &op2->o_time, &op2->o_tincr );
timestamp.bv_len = sizeof(rdnbuf) - STRLENOF(RDNEQ);
slap_timestamp( &op2->o_time, ×tamp );
sprintf( timestamp.bv_val + timestamp.bv_len-1, ".%06dZ", op2->o_tincr );
timestamp.bv_len += 7;
attr_merge_normalize_one( e, ad_reqEnd, ×tamp, op->o_tmpmemctx );
/* Exops have OID appended */
if ( logop == LOG_EN_EXTENDED ) {
bv.bv_len = lo->word.bv_len + op->ore_reqoid.bv_len + 2;
bv.bv_val = ch_malloc( bv.bv_len + 1 );
AC_MEMCPY( bv.bv_val, lo->word.bv_val, lo->word.bv_len );
bv.bv_val[lo->word.bv_len] = '{';
AC_MEMCPY( bv.bv_val+lo->word.bv_len+1, op->ore_reqoid.bv_val,
op->ore_reqoid.bv_len );
bv.bv_val[bv.bv_len-1] = '}';
bv.bv_val[bv.bv_len] = '\0';
attr_merge_one( e, ad_reqType, &bv, NULL );
} else {
attr_merge_one( e, ad_reqType, &lo->word, NULL );
}
rdn.bv_len = sprintf( rdn.bv_val, "%lu", op->o_connid );
attr_merge_one( e, ad_reqSession, &rdn, NULL );
if ( BER_BVISNULL( &op->o_dn ))
attr_merge_one( e, ad_reqAuthzID, (struct berval *)&slap_empty_bv,
(struct berval *)&slap_empty_bv );
else
attr_merge_one( e, ad_reqAuthzID, &op->o_dn, &op->o_ndn );
/* FIXME: need to add reqControls and reqRespControls */
return e;
}
static struct berval scopes[] = {
BER_BVC("base"),
BER_BVC("one"),
BER_BVC("sub"),
BER_BVC("subord")
};
static struct berval derefs[] = {
BER_BVC("never"),
BER_BVC("searching"),
BER_BVC("finding"),
BER_BVC("always")
};
static struct berval simple = BER_BVC("SIMPLE");
static void accesslog_val2val(AttributeDescription *ad, struct berval *val,
char c_op, struct berval *dst) {
char *ptr;
dst->bv_len = ad->ad_cname.bv_len + val->bv_len + 2;
if ( c_op ) dst->bv_len++;
dst->bv_val = ch_malloc( dst->bv_len+1 );
ptr = lutil_strcopy( dst->bv_val, ad->ad_cname.bv_val );
*ptr++ = ':';
if ( c_op )
*ptr++ = c_op;
*ptr++ = ' ';
AC_MEMCPY( ptr, val->bv_val, val->bv_len );
dst->bv_val[dst->bv_len] = '\0';
}
static int accesslog_response(Operation *op, SlapReply *rs) {
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
log_info *li = on->on_bi.bi_private;
Attribute *a, *last_attr;
Modifications *m;
struct berval *b;
int i;
int logop;
slap_verbmasks *lo;
Entry *e = NULL, *old = NULL;
char timebuf[LDAP_LUTIL_GENTIME_BUFSIZE+8];
struct berval bv;
char *ptr;
BerVarray vals;
Operation op2 = {0};
SlapReply rs2 = {REP_RESULT};
if ( rs->sr_type != REP_RESULT && rs->sr_type != REP_EXTENDED )
return SLAP_CB_CONTINUE;
switch ( op->o_tag ) {
case LDAP_REQ_ADD: logop = LOG_EN_ADD; break;
case LDAP_REQ_DELETE: logop = LOG_EN_DELETE; break;
case LDAP_REQ_MODIFY: logop = LOG_EN_MODIFY; break;
case LDAP_REQ_MODRDN: logop = LOG_EN_MODRDN; break;
case LDAP_REQ_COMPARE: logop = LOG_EN_COMPARE; break;
case LDAP_REQ_SEARCH: logop = LOG_EN_SEARCH; break;
case LDAP_REQ_BIND: logop = LOG_EN_BIND; break;
case LDAP_REQ_EXTENDED: logop = LOG_EN_EXTENDED; break;
default: /* unknown operation type */
logop = LOG_EN_UNKNOWN; break;
} /* Unbind and Abandon never reach here */
lo = logops+logop+EN_OFFSET;
if ( !( li->li_ops & lo->mask ))
return SLAP_CB_CONTINUE;
if ( lo->mask & LOG_OP_WRITES ) {
ldap_pvt_thread_mutex_lock( &li->li_log_mutex );
old = li->li_old;
li->li_old = NULL;
ldap_pvt_thread_mutex_unlock( &li->li_op_mutex );
}
if ( li->li_success && rs->sr_err != LDAP_SUCCESS )
goto done;
e = accesslog_entry( op, logop, &op2 );
attr_merge_one( e, ad_reqDN, &op->o_req_dn, &op->o_req_ndn );
if ( rs->sr_text ) {
ber_str2bv( rs->sr_text, 0, 0, &bv );
attr_merge_one( e, ad_reqMessage, &bv, NULL );
}
bv.bv_len = sprintf( timebuf, "%d", rs->sr_err );
bv.bv_val = timebuf;
attr_merge_one( e, ad_reqResult, &bv, NULL );
last_attr = attr_find( e->e_attrs, ad_reqResult );
switch( logop ) {
case LOG_EN_ADD:
case LOG_EN_DELETE: {
char c_op;
Entry *e2;
if ( logop == LOG_EN_ADD ) {
e2 = op->ora_e;
c_op = '+';
} else {
if ( !old )
break;
e2 = old;
c_op = 0;
}
/* count all the vals */
i = 0;
for ( a=e2->e_attrs; a; a=a->a_next ) {
if ( a->a_vals ) {
for (b=a->a_vals; !BER_BVISNULL( b ); b++) {
i++;
}
}
}
vals = ch_malloc( (i+1) * sizeof( struct berval ));
i = 0;
for ( a=e2->e_attrs; a; a=a->a_next ) {
if ( a->a_vals ) {
for (b=a->a_vals; !BER_BVISNULL( b ); b++,i++) {
accesslog_val2val( a->a_desc, b, c_op, &vals[i] );
}
}
}
vals[i].bv_val = NULL;
vals[i].bv_len = 0;
a = attr_alloc( logop == LOG_EN_ADD ? ad_reqMod : ad_reqOld );
a->a_vals = vals;
a->a_nvals = vals;
last_attr->a_next = a;
break;
}
case LOG_EN_MODIFY:
/* count all the mods */
i = 0;
for ( m=op->orm_modlist; m; m=m->sml_next ) {
if ( m->sml_values ) {
for (b=m->sml_values; !BER_BVISNULL( b ); b++) {
i++;
}
} else if ( m->sml_op == LDAP_MOD_DELETE ||
m->sml_op == LDAP_MOD_REPLACE ) {
i++;
}
}
vals = ch_malloc( (i+1) * sizeof( struct berval ));
i = 0;
/* Zero flags on old entry */
if ( old ) {
for ( a=old->e_attrs; a; a=a->a_next )
a->a_flags = 0;
}
for ( m=op->orm_modlist; m; m=m->sml_next ) {
/* Mark this attribute as modified */
if ( old ) {
a = attr_find( old->e_attrs, m->sml_desc );
if ( a )
a->a_flags = 1;
}
if ( m->sml_values ) {
for (b=m->sml_values; !BER_BVISNULL( b ); b++,i++) {
char c_op;
switch( m->sml_op ) {
case LDAP_MOD_ADD: c_op = '+'; break;
case LDAP_MOD_DELETE: c_op = '-'; break;
case LDAP_MOD_REPLACE: c_op = '='; break;
case LDAP_MOD_INCREMENT: c_op = '#'; break;
/* unknown op. there shouldn't be any of these. we
* don't know what to do with it, but we shouldn't just
* ignore it.
*/
default: c_op = '?'; break;
}
accesslog_val2val( m->sml_desc, b, c_op, &vals[i] );
}
} else if ( m->sml_op == LDAP_MOD_DELETE ||
m->sml_op == LDAP_MOD_REPLACE ) {
vals[i].bv_len = m->sml_desc->ad_cname.bv_len + 2;
vals[i].bv_val = ch_malloc( vals[i].bv_len+1 );
ptr = lutil_strcopy( vals[i].bv_val,
m->sml_desc->ad_cname.bv_val );
*ptr++ = ':';
if ( m->sml_op == LDAP_MOD_DELETE )
*ptr++ = '-';
else
*ptr++ = '=';
*ptr = '\0';
i++;
}
}
vals[i].bv_val = NULL;
vals[i].bv_len = 0;
a = attr_alloc( ad_reqMod );
a->a_vals = vals;
a->a_nvals = vals;
last_attr->a_next = a;
if ( old ) {
last_attr = a;
/* count all the vals */
i = 0;
for ( a=old->e_attrs; a; a=a->a_next ) {
if ( a->a_vals && a->a_flags ) {
for (b=a->a_vals; !BER_BVISNULL( b ); b++) {
i++;
}
}
}
vals = ch_malloc( (i+1) * sizeof( struct berval ));
i = 0;
for ( a=old->e_attrs; a; a=a->a_next ) {
if ( a->a_vals && a->a_flags ) {
for (b=a->a_vals; !BER_BVISNULL( b ); b++,i++) {
accesslog_val2val( a->a_desc, b, 0, &vals[i] );
}
}
}
vals[i].bv_val = NULL;
vals[i].bv_len = 0;
a = attr_alloc( ad_reqOld );
a->a_vals = vals;
a->a_nvals = vals;
last_attr->a_next = a;
}
break;
case LOG_EN_MODRDN:
attr_merge_one( e, ad_reqNewRDN, &op->orr_newrdn, &op->orr_nnewrdn );
attr_merge_one( e, ad_reqDeleteOldRDN, op->orr_deleteoldrdn ?
(struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv,
NULL );
if ( op->orr_newSup ) {
attr_merge_one( e, ad_reqNewSuperior, op->orr_newSup, op->orr_nnewSup );
}
break;
case LOG_EN_COMPARE:
bv.bv_len = op->orc_ava->aa_desc->ad_cname.bv_len + 1 +
op->orc_ava->aa_value.bv_len;
bv.bv_val = op->o_tmpalloc( bv.bv_len+1, op->o_tmpmemctx );
ptr = lutil_strcopy( bv.bv_val, op->orc_ava->aa_desc->ad_cname.bv_val );
*ptr++ = '=';
AC_MEMCPY( ptr, op->orc_ava->aa_value.bv_val, op->orc_ava->aa_value.bv_len );
bv.bv_val[bv.bv_len] = '\0';
attr_merge_one( e, ad_reqAssertion, &bv, NULL );
op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
break;
case LOG_EN_SEARCH:
attr_merge_one( e, ad_reqScope, &scopes[op->ors_scope], NULL );
attr_merge_one( e, ad_reqDerefAliases, &derefs[op->ors_deref], NULL );
attr_merge_one( e, ad_reqAttrsOnly, op->ors_attrsonly ?
(struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv,
NULL );
if ( !BER_BVISEMPTY( &op->ors_filterstr ))
attr_merge_one( e, ad_reqFilter, &op->ors_filterstr, NULL );
if ( op->ors_attrs ) {
/* count them */
for (i=0; !BER_BVISNULL(&op->ors_attrs[i].an_name );i++)
;
vals = op->o_tmpalloc( (i+1) * sizeof(struct berval),
op->o_tmpmemctx );
for (i=0; !BER_BVISNULL(&op->ors_attrs[i].an_name );i++)
vals[i] = op->ors_attrs[i].an_name;
vals[i].bv_val = NULL;
vals[i].bv_len = 0;
attr_merge( e, ad_reqAttr, vals, NULL );
op->o_tmpfree( vals, op->o_tmpmemctx );
}
bv.bv_val = timebuf;
bv.bv_len = sprintf( bv.bv_val, "%d", rs->sr_nentries );
attr_merge_one( e, ad_reqEntries, &bv, NULL );
bv.bv_len = sprintf( bv.bv_val, "%d", op->ors_tlimit );
attr_merge_one( e, ad_reqTimeLimit, &bv, NULL );
bv.bv_len = sprintf( bv.bv_val, "%d", op->ors_slimit );
attr_merge_one( e, ad_reqSizeLimit, &bv, NULL );
break;
case LOG_EN_BIND:
bv.bv_val = timebuf;
bv.bv_len = sprintf( bv.bv_val, "%d", op->o_protocol );
attr_merge_one( e, ad_reqVersion, &bv, NULL );
if ( op->orb_method == LDAP_AUTH_SIMPLE ) {
attr_merge_one( e, ad_reqMethod, &simple, NULL );
} else {
bv.bv_len = STRLENOF("SASL()") + op->orb_tmp_mech.bv_len;
bv.bv_val = op->o_tmpalloc( bv.bv_len + 1, op->o_tmpmemctx );
ptr = lutil_strcopy( bv.bv_val, "SASL(" );
ptr = lutil_strcopy( ptr, op->orb_tmp_mech.bv_val );
*ptr++ = ')';
*ptr = '\0';
attr_merge_one( e, ad_reqMethod, &bv, NULL );
op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
}
break;
case LOG_EN_EXTENDED:
if ( op->ore_reqdata ) {
attr_merge_one( e, ad_reqData, op->ore_reqdata, NULL );
}
break;
case LOG_EN_UNKNOWN:
/* we don't know its parameters, don't add any */
break;
}
op2.o_hdr = op->o_hdr;
op2.o_tag = LDAP_REQ_ADD;
op2.o_bd = li->li_db;
op2.o_dn = li->li_db->be_rootdn;
op2.o_ndn = li->li_db->be_rootndn;
op2.o_req_dn = e->e_name;
op2.o_req_ndn = e->e_nname;
op2.ora_e = e;
op2.o_callback = &nullsc;
if (( lo->mask & LOG_OP_WRITES ) && !BER_BVISEMPTY( &op->o_csn )) {
slap_queue_csn( &op2, &op->o_csn );
}
op2.o_bd->be_add( &op2, &rs2 );
done:
if ( lo->mask & LOG_OP_WRITES )
ldap_pvt_thread_mutex_unlock( &li->li_log_mutex );
if ( e ) entry_free( e );
if ( old ) entry_free( old );
return SLAP_CB_CONTINUE;
}
/* Since Bind success is sent by the frontend, it won't normally enter
* the overlay response callback. Add another callback to make sure it
* gets here.
*/
static int
accesslog_bind_resp( Operation *op, SlapReply *rs )
{
BackendDB *be, db;
int rc;
slap_callback *sc;
be = op->o_bd;
db = *be;
op->o_bd = &db;
db.bd_info = op->o_callback->sc_private;
rc = accesslog_response( op, rs );
op->o_bd = be;
sc = op->o_callback;
op->o_callback = sc->sc_next;
op->o_tmpfree( sc, op->o_tmpmemctx );
return rc;
}
static int
accesslog_op_bind( Operation *op, SlapReply *rs )
{
slap_callback *sc;
sc = op->o_tmpcalloc( 1, sizeof(slap_callback), op->o_tmpmemctx );
sc->sc_response = accesslog_bind_resp;
sc->sc_private = op->o_bd->bd_info;
if ( op->o_callback ) {
sc->sc_next = op->o_callback->sc_next;
op->o_callback->sc_next = sc;
} else {
op->o_callback = sc;
}
return SLAP_CB_CONTINUE;
}
static int
accesslog_op_mod( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
log_info *li = on->on_bi.bi_private;
if ( li->li_ops & LOG_OP_WRITES ) {
/* FIXME: this needs to be a recursive mutex to allow
* overlays like refint to keep working.
*/
ldap_pvt_thread_mutex_lock( &li->li_op_mutex );
if ( li->li_oldf && ( op->o_tag == LDAP_REQ_DELETE ||
op->o_tag == LDAP_REQ_MODIFY )) {
int rc;
Entry *e;
op->o_bd->bd_info = on->on_info->oi_orig;
rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
if ( e ) {
if ( test_filter( op, e, li->li_oldf ) == LDAP_COMPARE_TRUE )
li->li_old = entry_dup( e );
be_entry_release_rw( op, e, 0 );
}
op->o_bd->bd_info = (BackendInfo *)on;
}
}
return SLAP_CB_CONTINUE;
}
/* unbinds are broadcast to all backends; we only log it if this
* backend was used for the original bind.
*/
static int
accesslog_unbind( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
if ( op->o_conn->c_authz_backend == on->on_info->oi_origdb ) {
log_info *li = on->on_bi.bi_private;
Operation op2 = {0};
void *cids[SLAP_MAX_CIDS];
SlapReply rs2 = {REP_RESULT};
Entry *e;
if ( !( li->li_ops & LOG_OP_UNBIND ))
return SLAP_CB_CONTINUE;
e = accesslog_entry( op, LOG_EN_UNBIND, &op2 );
op2.o_hdr = op->o_hdr;
op2.o_tag = LDAP_REQ_ADD;
op2.o_bd = li->li_db;
op2.o_dn = li->li_db->be_rootdn;
op2.o_ndn = li->li_db->be_rootndn;
op2.o_req_dn = e->e_name;
op2.o_req_ndn = e->e_nname;
op2.ora_e = e;
op2.o_callback = &nullsc;
op2.o_controls = cids;
memset(cids, 0, sizeof( cids ));
op2.o_bd->be_add( &op2, &rs2 );
entry_free( e );
}
return SLAP_CB_CONTINUE;
}
static int
accesslog_abandon( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
log_info *li = on->on_bi.bi_private;
Operation op2 = {0};
void *cids[SLAP_MAX_CIDS];
SlapReply rs2 = {REP_RESULT};
Entry *e;
char buf[64];
struct berval bv;
if ( !op->o_time || !( li->li_ops & LOG_OP_ABANDON ))
return SLAP_CB_CONTINUE;
e = accesslog_entry( op, LOG_EN_ABANDON, &op2 );
bv.bv_val = buf;
bv.bv_len = sprintf( buf, "%d", op->orn_msgid );
attr_merge_one( e, ad_reqId, &bv, NULL );
op2.o_hdr = op->o_hdr;
op2.o_tag = LDAP_REQ_ADD;
op2.o_bd = li->li_db;
op2.o_dn = li->li_db->be_rootdn;
op2.o_ndn = li->li_db->be_rootndn;
op2.o_req_dn = e->e_name;
op2.o_req_ndn = e->e_nname;
op2.ora_e = e;
op2.o_callback = &nullsc;
op2.o_controls = cids;
memset(cids, 0, sizeof( cids ));
op2.o_bd->be_add( &op2, &rs2 );
entry_free( e );
return SLAP_CB_CONTINUE;
}
static slap_overinst accesslog;
static int
accesslog_db_init(
BackendDB *be
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
log_info *li = ch_calloc(1, sizeof(log_info));
on->on_bi.bi_private = li;
ldap_pvt_thread_mutex_init( &li->li_op_mutex );
ldap_pvt_thread_mutex_init( &li->li_log_mutex );
return 0;
}
static int
accesslog_db_destroy(
BackendDB *be
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
log_info *li = on->on_bi.bi_private;
if ( li->li_oldf )
filter_free( li->li_oldf );
ldap_pvt_thread_mutex_destroy( &li->li_log_mutex );
ldap_pvt_thread_mutex_destroy( &li->li_op_mutex );
free( li );
return LDAP_SUCCESS;
}
static int
accesslog_db_open(
BackendDB *be
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
log_info *li = on->on_bi.bi_private;
Connection conn;
OperationBuffer opbuf;
Operation *op = (Operation *) &opbuf;
Entry *e;
int rc;
void *thrctx;
if ( li->li_db == NULL ) {
Debug( LDAP_DEBUG_ANY,
"accesslog: \"logdb \" must be specified.\n",
0, 0, 0 );
return 1;
}
if ( slapMode & SLAP_TOOL_MODE )
return 0;
thrctx = ldap_pvt_thread_pool_context();
connection_fake_init( &conn, op, thrctx );
op->o_bd = li->li_db;
op->o_dn = li->li_db->be_rootdn;
op->o_ndn = li->li_db->be_rootndn;
rc = be_entry_get_rw( op, li->li_db->be_nsuffix, NULL, NULL, 0, &e );
if ( e ) {
be_entry_release_rw( op, e, 0 );
} else {
SlapReply rs = {REP_RESULT};
struct berval rdn, nrdn, attr;
char *ptr;
AttributeDescription *ad = NULL;
const char *text = NULL;
Entry *e_ctx;
e = ch_calloc( 1, sizeof( Entry ));
e->e_name = *li->li_db->be_suffix;
e->e_nname = *li->li_db->be_nsuffix;
attr_merge_one( e, slap_schema.si_ad_objectClass,
&log_container->soc_cname, NULL );
dnRdn( &e->e_name, &rdn );
dnRdn( &e->e_nname, &nrdn );
ptr = ber_bvchr( &rdn, '=' );
assert( ptr != NULL );
attr.bv_val = rdn.bv_val;
attr.bv_len = ptr - rdn.bv_val;
slap_bv2ad( &attr, &ad, &text );
rdn.bv_val = ptr+1;
rdn.bv_len -= attr.bv_len + 1;
ptr = ber_bvchr( &nrdn, '=' );
nrdn.bv_len -= ptr - nrdn.bv_val + 1;
nrdn.bv_val = ptr+1;
attr_merge_one( e, ad, &rdn, &nrdn );
/* Get contextCSN from main DB */
op->o_bd = be;
op->o_bd->bd_info = on->on_info->oi_orig;
rc = be_entry_get_rw( op, be->be_nsuffix, NULL,
slap_schema.si_ad_contextCSN, 0, &e_ctx );
if ( e_ctx ) {
Attribute *a;
a = attr_find( e_ctx->e_attrs, slap_schema.si_ad_contextCSN );
if ( a ) {
attr_merge( e, slap_schema.si_ad_entryCSN, a->a_vals, NULL );
attr_merge( e, a->a_desc, a->a_vals, NULL );
}
be_entry_release_rw( op, e_ctx, 0 );
}
op->o_bd->bd_info = (BackendInfo *)on;
op->o_bd = li->li_db;
op->ora_e = e;
op->o_req_dn = e->e_name;
op->o_req_ndn = e->e_nname;
op->o_callback = &nullsc;
SLAP_DBFLAGS( op->o_bd ) |= SLAP_DBFLAG_NOLASTMOD;
rc = op->o_bd->be_add( op, &rs );
SLAP_DBFLAGS( op->o_bd ) ^= SLAP_DBFLAG_NOLASTMOD;
attrs_free( e->e_attrs );
ch_free( e );
}
return rc;
}
int accesslog_initialize()
{
int i, rc;
accesslog.on_bi.bi_type = "accesslog";
accesslog.on_bi.bi_db_init = accesslog_db_init;
accesslog.on_bi.bi_db_destroy = accesslog_db_destroy;
accesslog.on_bi.bi_db_open = accesslog_db_open;
accesslog.on_bi.bi_op_add = accesslog_op_mod;
accesslog.on_bi.bi_op_bind = accesslog_op_bind;
accesslog.on_bi.bi_op_delete = accesslog_op_mod;
accesslog.on_bi.bi_op_modify = accesslog_op_mod;
accesslog.on_bi.bi_op_modrdn = accesslog_op_mod;
accesslog.on_bi.bi_op_unbind = accesslog_unbind;
accesslog.on_bi.bi_op_abandon = accesslog_abandon;
accesslog.on_response = accesslog_response;
accesslog.on_bi.bi_cf_ocs = log_cfocs;
nullsc.sc_response = slap_null_cb;
rc = config_register_schema( log_cfats, log_cfocs );
if ( rc ) return rc;
/* log schema integration */
for ( i=0; lattrs[i].at; i++ ) {
LDAPAttributeType *lat;
AttributeType *at;
int code;
const char *err;
lat = ldap_str2attributetype( lattrs[i].at, &code, &err,
LDAP_SCHEMA_ALLOW_ALL );
if ( !lat ) {
Debug( LDAP_DEBUG_ANY, "accesslog_init: "
"ldap_str2attributetype failed on %d: %s, %s\n",
i, ldap_scherr2str(code), err );
return -1;
}
code = at_add( lat, 0, &at, &err );
ldap_memfree( lat );
if ( code ) {
Debug( LDAP_DEBUG_ANY, "log_back_initialize: "
"at_add failed on %d: %s\n",
i, scherr2str(code), 0 );
return -1;
}
if ( slap_bv2ad( &at->sat_cname, lattrs[i].ad, &err )) {
Debug( LDAP_DEBUG_ANY, "accesslog_init: "
"slap_bv2ad failed on %d: %s\n",
i, err, 0 );
return -1;
}
}
for ( i=0; locs[i].ot; i++ ) {
LDAPObjectClass *loc;
ObjectClass *oc;
int code;
const char *err;
loc = ldap_str2objectclass( locs[i].ot, &code, &err,
LDAP_SCHEMA_ALLOW_ALL );
if ( !loc ) {
Debug( LDAP_DEBUG_ANY, "accesslog_init: "
"ldap_str2objectclass failed on %d: %s, %s\n",
i, ldap_scherr2str(code), err );
return -1;
}
code = oc_add( loc, 0, &oc, &err );
ldap_memfree( loc );
if ( code ) {
Debug( LDAP_DEBUG_ANY, "accesslog_init: "
"oc_add failed on %d: %s\n",
i, scherr2str(code), 0 );
return -1;
}
if ( locs[i].oc )
*locs[i].oc = oc;
}
return overlay_register(&accesslog);
}
#if SLAPD_OVER_ACCESSLOG == SLAPD_MOD_DYNAMIC
int
init_module( int argc, char *argv[] )
{
return accesslog_initialize();
}
#endif
#endif /* SLAPD_OVER_ACCESSLOG */