/* $OpenLDAP$ */
/*
- * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "slap.h"
-#ifdef HAVE_CYRUS_SASL
#include <limits.h>
-#ifdef HAVE_SASL_SASL_H
-#include <sasl/sasl.h>
-#else
-#include <sasl.h>
-#endif
+#ifdef HAVE_CYRUS_SASL
+# ifdef HAVE_SASL_SASL_H
+# include <sasl/sasl.h>
+# else
+# include <sasl.h>
+# endif
+
+# if SASL_VERSION_MAJOR >= 2
+# include <sasl/saslplug.h>
+# define SASL_CONST const
+# else
+# define SASL_CONST
+# endif
-#include <lutil.h>
-#if SASL_VERSION_MAJOR >= 2
-#include <sasl/saslplug.h>
-#define SASL_CONST const
-#else
-#define SASL_CONST
-#endif
+static sasl_security_properties_t sasl_secprops;
+#endif /* HAVE_CYRUS_SASL */
#include "ldap_pvt.h"
#include "lber_pvt.h"
-
-/* Flags for telling slap_sasl_getdn() what type of identity is being passed */
-#define FLAG_GETDN_AUTHCID 2
-#define FLAG_GETDN_AUTHZID 4
-
-static sasl_security_properties_t sasl_secprops;
+#include <lutil.h>
int slap_sasl_config( int cargc, char **cargv, char *line,
const char *fname, int lineno )
if ( cargc != 2 ) {
#ifdef NEW_LOGGING
LDAP_LOG( CONFIG, CRIT,
- "%s: line %d: missing policy in \"sasl-authz-policy <policy>\" line\n",
- fname, lineno, 0 );
+ "%s: line %d: missing policy in"
+ " \"sasl-authz-policy <policy>\" line\n",
+ fname, lineno, 0 );
#else
Debug( LDAP_DEBUG_ANY,
- "%s: line %d: missing policy in \"sasl-authz-policy <policy>\" line\n",
+ "%s: line %d: missing policy in"
+ " \"sasl-authz-policy <policy>\" line\n",
fname, lineno, 0 );
#endif
#endif
return( 1 );
}
-
+ } else if ( !strcasecmp( cargv[0], "sasl-regexp" )
+ || !strcasecmp( cargv[0], "saslregexp" ) )
+ {
+ int rc;
+ if ( cargc != 3 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: need 2 args in "
+ "\"saslregexp <match> <replace>\"\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: need 2 args in "
+ "\"saslregexp <match> <replace>\"\n",
+ fname, lineno, 0 );
+#endif
+
+ return( 1 );
+ }
+ rc = slap_sasl_regexp_config( cargv[1], cargv[2] );
+ if ( rc ) {
+ return rc;
+ }
+
+#ifdef HAVE_CYRUS_SASL
/* set SASL host */
} else if ( strcasecmp( cargv[0], "sasl-host" ) == 0 ) {
if ( cargc < 2 ) {
#ifdef NEW_LOGGING
LDAP_LOG( CONFIG, CRIT,
- "%s: line %d: missing host in \"sasl-host <host>\" line\n",
- fname, lineno, 0 );
+ "%s: line %d: missing host in \"sasl-host <host>\" line\n",
+ fname, lineno, 0 );
#else
Debug( LDAP_DEBUG_ANY,
- "%s: line %d: missing host in \"sasl-host <host>\" line\n",
+ "%s: line %d: missing host in \"sasl-host <host>\" line\n",
fname, lineno, 0 );
#endif
if ( global_host != NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( CONFIG, CRIT,
- "%s: line %d: already set sasl-host!\n",
- fname, lineno, 0 );
+ "%s: line %d: already set sasl-host!\n",
+ fname, lineno, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"%s: line %d: already set sasl-host!\n",
} else if ( strcasecmp( cargv[0], "sasl-realm" ) == 0 ) {
if ( cargc < 2 ) {
#ifdef NEW_LOGGING
- LDAP_LOG( CONFIG, CRIT,
- "%s: line %d: missing realm in \"sasl-realm <realm>\" line.\n",
- fname, lineno, 0 );
+ LDAP_LOG( CONFIG, CRIT, "%s: line %d: "
+ "missing realm in \"sasl-realm <realm>\" line.\n",
+ fname, lineno, 0 );
#else
- Debug( LDAP_DEBUG_ANY,
- "%s: line %d: missing realm in \"sasl-realm <realm>\" line\n",
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "missing realm in \"sasl-realm <realm>\" line.\n",
fname, lineno, 0 );
#endif
if ( global_realm != NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( CONFIG, CRIT,
- "%s: line %d: already set sasl-realm!\n",
- fname, lineno, 0 );
+ "%s: line %d: already set sasl-realm!\n",
+ fname, lineno, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"%s: line %d: already set sasl-realm!\n",
global_realm = ch_strdup( cargv[1] );
}
- } else if ( !strcasecmp( cargv[0], "sasl-regexp" )
- || !strcasecmp( cargv[0], "saslregexp" ) )
- {
- int rc;
- if ( cargc != 3 ) {
-#ifdef NEW_LOGGING
- LDAP_LOG( CONFIG, CRIT,
- "%s: line %d: need 2 args in "
- "\"saslregexp <match> <replace>\"\n",
- fname, lineno, 0 );
-#else
- Debug( LDAP_DEBUG_ANY,
- "%s: line %d: need 2 args in \"saslregexp <match> <replace>\"\n",
- fname, lineno, 0 );
-#endif
-
- return( 1 );
- }
- rc = slap_sasl_regexp_config( cargv[1], cargv[2] );
- if ( rc ) {
- return rc;
- }
-
/* SASL security properties */
} else if ( strcasecmp( cargv[0], "sasl-secprops" ) == 0 ) {
char *txt;
if ( cargc < 2 ) {
#ifdef NEW_LOGGING
- LDAP_LOG( CONFIG, CRIT,
- "%s: line %d: missing flags in "
- "\"sasl-secprops <properties>\" line\n",
- fname, lineno, 0 );
+ LDAP_LOG( CONFIG, CRIT, "%s: line %d: "
+ "missing flags in \"sasl-secprops <properties>\" line\n",
+ fname, lineno, 0 );
#else
- Debug( LDAP_DEBUG_ANY,
-
"%s: line %d: missing flags in \"sasl-secprops <properties>\" line\n",
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+
"missing flags in \"sasl-secprops <properties>\" line\n",
fname, lineno, 0 );
#endif
if ( txt != NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( CONFIG, CRIT,
- "%s: line %d sasl-secprops: %s\n",
- fname, lineno, txt );
+ "%s: line %d sasl-secprops: %s\n",
+ fname, lineno, txt );
#else
Debug( LDAP_DEBUG_ANY,
- "%s: line %d: sasl-secprops: %s\n",
+ "%s: line %d: sasl-secprops: %s\n",
fname, lineno, txt );
#endif
return 1;
}
+#endif /* HAVE_CYRUS_SASL */
}
return LDAP_SUCCESS;
}
-static int
+#ifdef HAVE_CYRUS_SASL
+
+int
slap_sasl_log(
void *context,
int priority,
}
-/* Take any sort of identity string and return a DN with the "dn:" prefix. The
- string returned in *dn is in its own allocated memory, and must be free'd
- by the calling process.
- -Mark Adamson, Carnegie Mellon
-
- The "dn:" prefix is no longer used anywhere inside slapd. It is only used
- on strings passed in directly from SASL.
- -Howard Chu, Symas Corp.
-*/
-
-#define SET_DN 1
-#define SET_U 2
-
-static struct berval ext_bv = BER_BVC( "EXTERNAL" );
-
-int slap_sasl_getdn( Connection *conn, char *id, int len,
- char *user_realm, struct berval *dn, int flags )
-{
- char *c1;
- int rc, is_dn = 0, do_norm = 1;
- sasl_conn_t *ctx;
- struct berval dn2;
-
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl_getdn: conn %d id=%s\n",
- conn ? conn->c_connid : -1, id ? (*id ? id : "<empty>") : "NULL", 0 );
-#else
- Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: id=%s\n",
- id?(*id?id:"<empty>"):"NULL",0,0 );
-#endif
-
- dn->bv_val = NULL;
- dn->bv_len = 0;
-
- if ( id ) {
- if ( len == 0 ) len = strlen( id );
-
- /* Blatantly anonymous ID */
- if ( len == sizeof("anonymous") - 1 &&
- !strcasecmp( id, "anonymous" ) ) {
- return( LDAP_SUCCESS );
- }
- } else {
- len = 0;
- }
-
- ctx = conn->c_sasl_context;
-
- /* An authcID needs to be converted to authzID form. Set the
- * values directly into *dn; they will be normalized later. (and
- * normalizing always makes a new copy.) An ID from a TLS certificate
- * is already normalized, so copy it and skip normalization.
- */
- if( flags & FLAG_GETDN_AUTHCID ) {
-#ifdef HAVE_TLS
- if( conn->c_is_tls &&
- conn->c_sasl_bind_mech.bv_len == ext_bv.bv_len &&
- strcasecmp( ext_bv.bv_val, conn->c_sasl_bind_mech.bv_val ) == 0 )
- {
- /* X.509 DN is already normalized */
- do_norm = 0;
- is_dn = SET_DN;
- ber_str2bv( id, len, 1, dn );
-
- } else
-#endif
- {
- /* convert to u:<username> form */
- is_dn = SET_U;
- dn->bv_val = id;
- dn->bv_len = len;
- }
- }
- if( !is_dn ) {
- if( !strncasecmp( id, "u:", sizeof("u:")-1 )) {
- is_dn = SET_U;
- dn->bv_val = id+2;
- dn->bv_len = len-2;
- } else if ( !strncasecmp( id, "dn:", sizeof("dn:")-1) ) {
- is_dn = SET_DN;
- dn->bv_val = id+3;
- dn->bv_len = len-3;
- }
- }
-
- /* No other possibilities from here */
- if( !is_dn ) {
- dn->bv_val = NULL;
- dn->bv_len = 0;
- return( LDAP_INAPPROPRIATE_AUTH );
- }
-
- /* Username strings */
- if( is_dn == SET_U ) {
- char *p, *realm;
- len = dn->bv_len + sizeof("uid=")-1 + sizeof(",cn=auth")-1;
-
- /* username may have embedded realm name */
- if( ( realm = strchr( dn->bv_val, '@') ) ) {
- *realm++ = '\0';
- len += sizeof(",cn=")-2;
- } else if( user_realm && *user_realm ) {
- len += strlen( user_realm ) + sizeof(",cn=")-1;
- }
-
- if( conn->c_sasl_bind_mech.bv_len ) {
- len += conn->c_sasl_bind_mech.bv_len + sizeof(",cn=")-1;
- }
-
- /* Build the new dn */
- c1 = dn->bv_val;
- dn->bv_val = ch_malloc( len+1 );
- p = lutil_strcopy( dn->bv_val, "uid=" );
- p = lutil_strncopy( p, c1, dn->bv_len );
-
- if( realm ) {
- int rlen = dn->bv_len - ( realm - c1 );
- p = lutil_strcopy( p, ",cn=" );
- p = lutil_strncopy( p, realm, rlen );
- realm[-1] = '@';
- } else if( user_realm && *user_realm ) {
- p = lutil_strcopy( p, ",cn=" );
- p = lutil_strcopy( p, user_realm );
- }
-
- if( conn->c_sasl_bind_mech.bv_len ) {
- p = lutil_strcopy( p, ",cn=" );
- p = lutil_strcopy( p, conn->c_sasl_bind_mech.bv_val );
- }
- p = lutil_strcopy( p, ",cn=auth" );
- dn->bv_len = p - dn->bv_val;
-
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl_getdn: u:id converted to %s.\n", dn->bv_val, 0, 0 );
-#else
- Debug( LDAP_DEBUG_TRACE, "getdn: u:id converted to %s\n", dn->bv_val,0,0 );
-#endif
- }
-
- /* All strings are in DN form now. Normalize if needed. */
- if ( do_norm ) {
- rc = dnNormalize2( NULL, dn, &dn2 );
-
- /* User DNs were constructed above and must be freed now */
- if ( is_dn == SET_U )
- ch_free( dn->bv_val );
-
- if ( rc != LDAP_SUCCESS ) {
- dn->bv_val = NULL;
- dn->bv_len = 0;
- return rc;
- }
- *dn = dn2;
- }
-
- /* Run thru regexp */
- slap_sasl2dn( conn, dn, &dn2 );
- if( dn2.bv_val ) {
- ch_free( dn->bv_val );
- *dn = dn2;
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl_getdn: dn:id converted to %s.\n", dn->bv_val, 0, 0 );
-#else
- Debug( LDAP_DEBUG_TRACE, "getdn: dn:id converted to %s\n",
- dn->bv_val, 0, 0 );
-#endif
- }
-
- return( LDAP_SUCCESS );
-}
-
#if SASL_VERSION_MAJOR >= 2
static const char *slap_propnames[] = {
"*slapConn", "*authcDN", "*authzDN", NULL };
Backend *be;
Operation op = {0};
slap_callback cb = { slap_cb_null_response,
- slap_cb_null_sresult, sasl_ap_lookup, NULL };
+ slap_cb_null_sresult, sasl_ap_lookup, slap_cb_null_sreference, NULL };
cb.sc_private = &sl;
op.o_callback = &cb;
op.o_time = slap_get_time();
op.o_do_not_cache = 1;
+ op.o_is_auth_check = 1;
op.o_threadctx = conn->c_sasl_bindop->o_threadctx;
(*be->be_search)( be, conn, &op, NULL, &dn,
*/
rc = slap_sasl_getdn( conn, (char *)username, 0, NULL, &dn,
- FLAG_GETDN_AUTHCID );
+ SLAP_GETDN_AUTHCID );
if ( rc != LDAP_SUCCESS ) {
sasl_seterror( sconn, 0, ldap_err2string( rc ) );
return SASL_NOUSER;
if ( be && be->be_search ) {
Operation op = {0};
slap_callback cb = { slap_cb_null_response,
- slap_cb_null_sresult, sasl_cb_checkpass, NULL };
+ slap_cb_null_sresult, sasl_cb_checkpass, slap_cb_null_sreference, NULL };
ci.cred.bv_val = (char *)pass;
ci.cred.bv_len = passlen;
op.o_callback = &cb;
op.o_time = slap_get_time();
op.o_do_not_cache = 1;
+ op.o_is_auth_check = 1;
op.o_threadctx = conn->c_sasl_bindop->o_threadctx;
(*be->be_search)( be, conn, &op, NULL, &dn,
LDAP_LOG( TRANSPORT, ENTRY,
"slap_sasl_canonicalize: conn %d %s=\"%s\"\n",
conn ? conn->c_connid : -1,
- (flags & SASL_CU_AUTHID) ? "authcid" : "authzid", in ? in : "<empty>");
+ (flags & SASL_CU_AUTHID) ? "authcid" : "authzid",
+ in ? in : "<empty>");
#else
- Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: "
- "%s=\"%s\"\n",
- conn ? conn->c_connid : -1,
- (flags & SASL_CU_AUTHID) ? "authcid" : "authzid",
- in ? in : "<empty>" );
+ Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: %s=\"%s\"\n",
+ conn ? conn->c_connid : -1,
+ (flags & SASL_CU_AUTHID) ? "authcid" : "authzid",
+ in ? in : "<empty>");
#endif
/* If name is too big, just truncate. We don't care, we're
if ( auxvals[which].values )
goto done;
- if ( flags == SASL_CU_AUTHZID ) {
- /* If we got unqualified authzid's, they probably came from SASL
- * itself just passing the authcid to us. Look inside the oparams
- * structure to see if that's true. (HACK: the out_len pointer is
- * the address of a member of a sasl_out_params_t structure...)
+ /* Normally we require an authzID to have a u: or dn: prefix.
+ * However, SASL frequently gives us an authzID that is just
+ * an exact copy of the authcID, without a prefix. We need to
+ * detect and allow this condition. If SASL calls canonicalize
+ * with SASL_CU_AUTHID|SASL_CU_AUTHZID this is a no-brainer.
+ * But if it's broken into two calls, we need to remember the
+ * authcID so that we can compare the authzID later. We store
+ * the authcID temporarily in conn->c_sasl_dn. We necessarily
+ * finish Canonicalizing before Authorizing, so there is no
+ * conflict with slap_sasl_authorize's use of this temp var.
+ *
+ * The SASL EXTERNAL mech is backwards from all the other mechs,
+ * it does authzID before the authcID. If we see that authzID
+ * has already been done, don't do anything special with authcID.
*/
- sasl_out_params_t dummy;
- int offset = (void *)&dummy.ulen - (void *)&dummy.authid;
- char **authid = (void *)out_len - offset;
- if ( *authid && !strcmp( in, *authid ) )
- goto done;
+ if ( flags == SASL_CU_AUTHID && !auxvals[PROP_AUTHZ].values ) {
+ conn->c_sasl_dn.bv_val = (char *) in;
+ } else if ( flags == SASL_CU_AUTHZID && conn->c_sasl_dn.bv_val ) {
+ rc = strcmp( in, conn->c_sasl_dn.bv_val );
+ conn->c_sasl_dn.bv_val = NULL;
+ /* They were equal, no work needed */
+ if ( !rc ) goto done;
}
rc = slap_sasl_getdn( conn, (char *)in, inlen, (char *)user_realm, &dn,
- (flags & SASL_CU_AUTHID) ? FLAG_GETDN_AUTHCID : FLAG_GETDN_AUTHZID );
+ (flags & SASL_CU_AUTHID) ? SLAP_GETDN_AUTHCID : SLAP_GETDN_AUTHZID );
if ( rc != LDAP_SUCCESS ) {
sasl_seterror( sconn, 0, ldap_err2string( rc ) );
return SASL_NOAUTHZ;
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, ENTRY,
"slap_sasl_canonicalize: conn %d %s=\"%s\"\n",
- conn ? conn->c_connid : -1, names[0]+1, dn.bv_val );
+ conn ? conn->c_connid : -1, names[0]+1,
+ dn.bv_val ? dn.bv_val : "<EMPTY>" );
#else
- Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: "
- "%s=\"%s\"\n",
- conn ? conn->c_connid : -1,
- names[0]+1, dn.bv_val );
+ 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>" );
#endif
-done: AC_MEMCPY( out, in, inlen );
+
+done:
+ AC_MEMCPY( out, in, inlen );
out[inlen] = '\0';
*out_len = inlen;
/* Nothing to do if no authzID was given */
if ( !auxvals[1].name || !auxvals[1].values ) {
conn->c_sasl_dn = authcDN;
- return SASL_OK;
+ goto ok;
}
AC_MEMCPY( &authzDN, auxvals[1].values[0], sizeof(authzDN) );
}
conn->c_sasl_dn = authzDN;
+ok:
+ if (conn->c_sasl_bindop) {
+ Statslog( LDAP_DEBUG_STATS,
+ "conn=%lu op=%lu BIND authcid=\"%s\"\n",
+ conn->c_connid, conn->c_sasl_bindop->o_opid,
+ auth_identity, 0, 0);
+ }
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, ENTRY,
/* Convert the identities to DN's. If no authzid was given, client will
be bound as the DN matching their username */
- rc = slap_sasl_getdn( conn, (char *)authcid, 0, realm, &authcDN, FLAG_GETDN_AUTHCID );
+ rc = slap_sasl_getdn( conn, (char *)authcid, 0, realm,
+ &authcDN, SLAP_GETDN_AUTHCID );
if( rc != LDAP_SUCCESS ) {
*errstr = ldap_err2string( rc );
return SASL_NOAUTHZ;
#endif
conn->c_sasl_dn = authcDN;
- *errstr = NULL;
- return SASL_OK;
+ goto ok;
}
- rc = slap_sasl_getdn( conn, (char *)authzid, 0, realm, &authzDN, FLAG_GETDN_AUTHZID );
+ rc = slap_sasl_getdn( conn, (char *)authzid, 0, realm,
+ &authzDN, SLAP_GETDN_AUTHZID );
if( rc != LDAP_SUCCESS ) {
ch_free( authcDN.bv_val );
*errstr = ldap_err2string( rc );
ch_free( authzDN.bv_val );
return SASL_NOAUTHZ;
}
+ conn->c_sasl_dn = authzDN;
+ok:
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, RESULTS,
"slap_sasl_authorize: conn %d authorization allowed\n",
(long) (conn ? conn->c_connid : -1), 0, 0 );
#endif
- conn->c_sasl_dn = authzDN;
+ if (conn->c_sasl_bindop) {
+ Statslog( LDAP_DEBUG_STATS,
+ "conn=%lu op=%lu BIND authcid=\"%s\"\n",
+ conn->c_connid, conn->c_sasl_bindop->o_opid,
+ authcid, 0, 0);
+ }
+
*errstr = NULL;
return SASL_OK;
}
}
#endif
-
int slap_sasl_init( void )
{
#ifdef HAVE_CYRUS_SASL
return -1;
}
#endif
-
+
+ /* SASL 2 does its own memory management internally */
+#if SASL_VERSION_MAJOR < 2
sasl_set_alloc(
ber_memalloc,
ber_memcalloc,
ber_memrealloc,
ber_memfree );
+#endif
sasl_set_mutex(
ldap_pvt_sasl_mutex_new,
session_callbacks =
#if SASL_VERSION_MAJOR >= 2
- ch_calloc( 5, sizeof(sasl_callback_t));
+ SLAP_CALLOC( 5, sizeof(sasl_callback_t));
#else
- ch_calloc( 3, sizeof(sasl_callback_t));
+ SLAP_CALLOC( 3, sizeof(sasl_callback_t));
#endif
+ if( session_callbacks == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_open: SLAP_MALLOC failed", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "slap_sasl_open: SLAP_MALLOC failed", 0, 0, 0 );
+#endif
+ return -1;
+ }
conn->c_sasl_extra = session_callbacks;
session_callbacks[cb=0].id = SASL_CB_LOG;
}
}
sc = sasl_server_new( "ldap", global_host, global_realm,
- iplocalport, ipremoteport, session_callbacks, 0, &ctx );
+ iplocalport, ipremoteport, session_callbacks, SASL_SUCCESS_DATA, &ctx );
if ( iplocalport != NULL ) {
ch_free( iplocalport );
}
if ( !conn->c_sasl_bind_in_progress ) {
sc = START( ctx,
conn->c_sasl_bind_mech.bv_val,
- cred->bv_len ? cred->bv_val : "",
- cred->bv_len,
+ cred->bv_val, cred->bv_len,
(SASL_CONST char **)&response.bv_val, &reslen, &errstr );
} else {
slap_sasl_setpass(
Connection *conn,
Operation *op,
- const char *reqoid,
+ struct berval *reqoid,
struct berval *reqdata,
char **rspoid,
struct berval **rspdata,
struct berval old = { 0, NULL };
assert( reqoid != NULL );
- assert( strcmp( LDAP_EXOP_MODIFY_PASSWD, reqoid ) == 0 );
+ assert( ber_bvcmp( &slap_EXOP_MODIFY_PASSWD, reqoid ) == 0 );
rc = sasl_getprop( conn->c_sasl_context, SASL_USERNAME,
(SASL_CONST void **)&id.bv_val );
done:
return rc;
}
+#endif /* HAVE_CYRUS_SASL */
+
+/* Take any sort of identity string and return a DN with the "dn:" prefix. The
+ string returned in *dn is in its own allocated memory, and must be free'd
+ by the calling process.
+ -Mark Adamson, Carnegie Mellon
+
+ The "dn:" prefix is no longer used anywhere inside slapd. It is only used
+ on strings passed in directly from SASL.
+ -Howard Chu, Symas Corp.
+*/
+
+#define SET_NONE 0
+#define SET_DN 1
+#define SET_U 2
+
+static struct berval ext_bv = BER_BVC( "EXTERNAL" );
+
+int slap_sasl_getdn( Connection *conn, char *id, int len,
+ char *user_realm, struct berval *dn, int flags )
+{
+ char *c1;
+ int rc, is_dn = SET_NONE, do_norm = 1;
+ struct berval dn2;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_getdn: conn %d id=%s [len=%d]\n",
+ conn ? conn->c_connid : -1, id ? (*id ? id : "<empty>") : "NULL", len );
+#else
+ Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: id=%s [len=%d]\n",
+ id ? ( *id ? id : "<empty>" ) : "NULL", len, 0 );
#endif
+
+ dn->bv_val = NULL;
+ dn->bv_len = 0;
+
+ if ( id ) {
+ if ( len == 0 ) len = strlen( id );
+
+ /* Blatantly anonymous ID */
+ if ( len == sizeof("anonymous") - 1 &&
+ !strcasecmp( id, "anonymous" ) ) {
+ return( LDAP_SUCCESS );
+ }
+ } else {
+ len = 0;
+ }
+
+ /* An authcID needs to be converted to authzID form. Set the
+ * values directly into *dn; they will be normalized later. (and
+ * normalizing always makes a new copy.) An ID from a TLS certificate
+ * is already normalized, so copy it and skip normalization.
+ */
+ if( flags & SLAP_GETDN_AUTHCID ) {
+ if( conn->c_sasl_bind_mech.bv_len == ext_bv.bv_len &&
+ strcasecmp( ext_bv.bv_val, conn->c_sasl_bind_mech.bv_val ) == 0 )
+ {
+ /* EXTERNAL DNs are already normalized */
+ do_norm = 0;
+ is_dn = SET_DN;
+ ber_str2bv( id, len, 1, dn );
+
+ } else {
+ /* convert to u:<username> form */
+ is_dn = SET_U;
+ dn->bv_val = id;
+ dn->bv_len = len;
+ }
+ }
+ if( is_dn == SET_NONE ) {
+ if( !strncasecmp( id, "u:", sizeof("u:")-1 )) {
+ is_dn = SET_U;
+ dn->bv_val = id+2;
+ dn->bv_len = len-2;
+ } else if ( !strncasecmp( id, "dn:", sizeof("dn:")-1) ) {
+ is_dn = SET_DN;
+ dn->bv_val = id+3;
+ dn->bv_len = len-3;
+ }
+ }
+
+ /* No other possibilities from here */
+ if( is_dn == SET_NONE ) {
+ dn->bv_val = NULL;
+ dn->bv_len = 0;
+ return( LDAP_INAPPROPRIATE_AUTH );
+ }
+
+ /* Username strings */
+ if( is_dn == SET_U ) {
+ char *p, *realm;
+ len = dn->bv_len + sizeof("uid=")-1 + sizeof(",cn=auth")-1;
+
+ /* username may have embedded realm name */
+ if( ( realm = strchr( dn->bv_val, '@') ) ) {
+ *realm++ = '\0';
+ len += sizeof(",cn=")-2;
+ } else if( user_realm && *user_realm ) {
+ len += strlen( user_realm ) + sizeof(",cn=")-1;
+ }
+
+ if( conn->c_sasl_bind_mech.bv_len ) {
+ len += conn->c_sasl_bind_mech.bv_len + sizeof(",cn=")-1;
+ }
+
+ /* Build the new dn */
+ c1 = dn->bv_val;
+ dn->bv_val = SLAP_MALLOC( len+1 );
+ if( dn->bv_val == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_getdn: SLAP_MALLOC failed", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "slap_sasl_getdn: SLAP_MALLOC failed", 0, 0, 0 );
+#endif
+ return LDAP_OTHER;
+ }
+ p = lutil_strcopy( dn->bv_val, "uid=" );
+ p = lutil_strncopy( p, c1, dn->bv_len );
+
+ if( realm ) {
+ int rlen = dn->bv_len - ( realm - c1 );
+ p = lutil_strcopy( p, ",cn=" );
+ p = lutil_strncopy( p, realm, rlen );
+ realm[-1] = '@';
+ } else if( user_realm && *user_realm ) {
+ p = lutil_strcopy( p, ",cn=" );
+ p = lutil_strcopy( p, user_realm );
+ }
+
+ if( conn->c_sasl_bind_mech.bv_len ) {
+ p = lutil_strcopy( p, ",cn=" );
+ p = lutil_strcopy( p, conn->c_sasl_bind_mech.bv_val );
+ }
+ p = lutil_strcopy( p, ",cn=auth" );
+ dn->bv_len = p - dn->bv_val;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_getdn: u:id converted to %s.\n", dn->bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "getdn: u:id converted to %s\n", dn->bv_val,0,0 );
+#endif
+ } else {
+
+ /* Dup the DN in any case, so we don't risk
+ * leaks or dangling pointers later,
+ * and the DN value is '\0' terminated */
+ ber_dupbv( &dn2, dn );
+ dn->bv_val = dn2.bv_val;
+ }
+
+ /* All strings are in DN form now. Normalize if needed. */
+ if ( do_norm ) {
+ rc = dnNormalize2( NULL, dn, &dn2 );
+
+ /* User DNs were constructed above and must be freed now */
+ ch_free( dn->bv_val );
+
+ if ( rc != LDAP_SUCCESS ) {
+ dn->bv_val = NULL;
+ dn->bv_len = 0;
+ return rc;
+ }
+ *dn = dn2;
+ }
+
+ /* Run thru regexp */
+ slap_sasl2dn( conn, dn, &dn2 );
+ if( dn2.bv_val ) {
+ ch_free( dn->bv_val );
+ *dn = dn2;
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_getdn: dn:id converted to %s.\n", dn->bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "getdn: dn:id converted to %s\n",
+ dn->bv_val, 0, 0 );
+#endif
+ }
+
+ return( LDAP_SUCCESS );
+}
projects / openldap / blobdiff