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ITS#5298 use SASL's memory for temporary DN storage

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This commit is contained in:
Howard Chu 2007-12-23 01:21:56 +00:00
parent d0eac819f7
commit 95a37bc024
1 changed files with 49 additions and 36 deletions
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85
servers/slapd/sasl.c
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@ -149,15 +149,18 @@ slap_sasl_log(
#if SASL_VERSION_MAJOR >= 2
static const char *slap_propnames[] = {
"*slapConn", "*slapAuthcDN", "*slapAuthzDN", NULL };
"*slapConn", "*slapAuthcDNlen", "*slapAuthcDN",
"*slapAuthzDNlen", "*slapAuthzDN", NULL };
static Filter generic_filter = { LDAP_FILTER_PRESENT, { 0 }, NULL };
static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
#define SLAP_SASL_PROP_CONN 0
#define SLAP_SASL_PROP_AUTHC 1
#define SLAP_SASL_PROP_AUTHZ 2
#define SLAP_SASL_PROP_COUNT 3 /* Number of properties we used */
#define SLAP_SASL_PROP_AUTHCLEN 1
#define SLAP_SASL_PROP_AUTHC 2
#define SLAP_SASL_PROP_AUTHZLEN 3
#define SLAP_SASL_PROP_AUTHZ 4
#define SLAP_SASL_PROP_COUNT 5 /* Number of properties we used */
typedef struct lookup_info {
int flags;
@ -282,16 +285,25 @@ slap_auxprop_lookup(
AC_MEMCPY( &conn, sl.list[i].values[0], sizeof( conn ) );
continue;
}
if ( (flags & SASL_AUXPROP_AUTHZID) &&
!strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHZ] ) ) {
if ( sl.list[i].values && sl.list[i].values[0] )
AC_MEMCPY( &op.o_req_ndn, sl.list[i].values[0], sizeof( struct berval ) );
break;
if ( flags & SASL_AUXPROP_AUTHZID ) {
if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHZLEN] )) {
if ( sl.list[i].values && sl.list[i].values[0] )
AC_MEMCPY( &op.o_req_ndn.bv_len, sl.list[i].values[0],
sizeof( op.o_req_ndn.bv_len ) );
} else if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHZ] )) {
if ( sl.list[i].values )
op.o_req_ndn.bv_val = (char *)sl.list[i].values[0];
break;
}
}
if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHC] ) ) {
if ( sl.list[i].values && sl.list[i].values[0] ) {
AC_MEMCPY( &op.o_req_ndn, sl.list[i].values[0], sizeof( struct berval ) );
if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHCLEN] )) {
if ( sl.list[i].values && sl.list[i].values[0] )
AC_MEMCPY( &op.o_req_ndn.bv_len, sl.list[i].values[0],
sizeof( op.o_req_ndn.bv_len ) );
} else if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHC] ) ) {
if ( sl.list[i].values ) {
op.o_req_ndn.bv_val = (char *)sl.list[i].values[0];
if ( !(flags & SASL_AUXPROP_AUTHZID) )
break;
}
@ -432,10 +444,13 @@ slap_auxprop_store(
AC_MEMCPY( &conn, pr[i].values[0], sizeof( conn ) );
continue;
}
if ( !strcmp( pr[i].name, slap_propnames[SLAP_SASL_PROP_AUTHC] ) ) {
if ( pr[i].values && pr[i].values[0] ) {
AC_MEMCPY( &op.o_req_ndn, pr[i].values[0], sizeof( struct berval ) );
}
if ( !strcmp( pr[i].name, slap_propnames[SLAP_SASL_PROP_AUTHCLEN] )) {
if ( pr[i].values && pr[i].values[0] )
AC_MEMCPY( &op.o_req_ndn.bv_len, pr[i].values[0],
sizeof( op.o_req_ndn.bv_len ) );
} else if ( !strcmp( pr[i].name, slap_propnames[SLAP_SASL_PROP_AUTHC] ) ) {
if ( pr[i].values )
op.o_req_ndn.bv_val = (char *)pr[i].values[0];
}
}
}
@ -586,9 +601,9 @@ slap_sasl_canonicalize(
prop_request( props, slap_propnames );
if ( flags & SASL_CU_AUTHID )
which = SLAP_SASL_PROP_AUTHC;
which = SLAP_SASL_PROP_AUTHCLEN;
else
which = SLAP_SASL_PROP_AUTHZ;
which = SLAP_SASL_PROP_AUTHZLEN;
/* Need to store the Connection for auxprop_lookup */
if ( !auxvals[SLAP_SASL_PROP_CONN].values ) {
@ -637,13 +652,20 @@ slap_sasl_canonicalize(
names[0] = slap_propnames[which];
names[1] = NULL;
prop_set( props, names[0], (char *)&dn.bv_len, sizeof( dn.bv_len ) );
prop_set( props, names[0], (char *)&dn, sizeof( dn ) );
which++;
names[0] = slap_propnames[which];
prop_set( props, names[0], dn.bv_val, dn.bv_len );
Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: %s=\"%s\"\n",
conn ? conn->c_connid : -1, names[0]+1,
dn.bv_val ? dn.bv_val : "<EMPTY>" );
/* Not needed any more, SASL has copied it */
if ( conn && conn->c_sasl_bindop )
conn->c_sasl_bindop->o_tmpfree( dn.bv_val, conn->c_sasl_bindop->o_tmpmemctx );
done:
AC_MEMCPY( out, in, inlen );
out[inlen] = '\0';
@ -682,7 +704,6 @@ slap_sasl_authorize(
"authcid=\"%s\" authzid=\"%s\"\n",
conn ? conn->c_connid : -1, auth_identity, requested_user );
if ( conn->c_sasl_dn.bv_val ) {
ch_free( conn->c_sasl_dn.bv_val );
BER_BVZERO( &conn->c_sasl_dn );
}
@ -695,15 +716,17 @@ slap_sasl_authorize(
return SASL_NOAUTHZ;
}
AC_MEMCPY( &authcDN, auxvals[0].values[0], sizeof(authcDN) );
AC_MEMCPY( &authcDN.bv_len, auxvals[0].values[0], sizeof(authcDN.bv_len) );
authcDN.bv_val = auxvals[1].values ? (char *)auxvals[1].values[0] : NULL;
conn->c_sasl_dn = authcDN;
/* Nothing to do if no authzID was given */
if ( !auxvals[1].name || !auxvals[1].values ) {
if ( !auxvals[2].name || !auxvals[2].values ) {
goto ok;
}
AC_MEMCPY( &authzDN, auxvals[1].values[0], sizeof(authzDN) );
AC_MEMCPY( &authzDN.bv_len, auxvals[2].values[0], sizeof(authzDN.bv_len) );
authzDN.bv_val = auxvals[3].values ? (char *)auxvals[3].values[0] : NULL;
rc = slap_sasl_authorized( conn->c_sasl_bindop, &authcDN, &authzDN );
if ( rc != LDAP_SUCCESS ) {
@ -712,20 +735,12 @@ slap_sasl_authorize(
(long) (conn ? conn->c_connid : -1), rc, 0 );
sasl_seterror( sconn, 0, "not authorized" );
ch_free( authzDN.bv_val );
return SASL_NOAUTHZ;
}
/* FIXME: we need yet another dup because slap_sasl_getdn()
* is using the bind operation slab */
if ( conn->c_sasl_bindop ) {
ber_dupbv( &conn->c_sasl_authz_dn, &authzDN );
slap_sl_free( authzDN.bv_val,
conn->c_sasl_bindop->o_tmpmemctx );
} else {
conn->c_sasl_authz_dn = authzDN;
}
ber_dupbv( &conn->c_sasl_authz_dn, &authzDN );
ok:
if (conn->c_sasl_bindop) {
@ -1668,7 +1683,7 @@ int slap_sasl_bind( Operation *op, SlapReply *rs )
if ( sc == SASL_OK ) {
sasl_ssf_t *ssf = NULL;
op->orb_edn = op->o_conn->c_sasl_dn;
ber_dupbv_x( &op->orb_edn, &op->o_conn->c_sasl_dn, op->o_tmpmemctx );
BER_BVZERO( &op->o_conn->c_sasl_dn );
op->o_conn->c_sasl_done = 1;
@ -1720,8 +1735,6 @@ int slap_sasl_bind( Operation *op, SlapReply *rs )
send_ldap_sasl( op, rs );
} else {
if ( op->o_conn->c_sasl_dn.bv_len )
ch_free( op->o_conn->c_sasl_dn.bv_val );
BER_BVZERO( &op->o_conn->c_sasl_dn );
#if SASL_VERSION_MAJOR >= 2
rs->sr_text = sasl_errdetail( ctx );