/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2003 The OpenLDAP Foundation.
+ * Copyright 1998-2005 The OpenLDAP Foundation.
* Portions Copyright 2000 Mark Adamson, Carnegie Mellon.
* All rights reserved.
*
#include "portable.h"
#include <stdio.h>
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
#include <ac/stdlib.h>
#include <ac/string.h>
+#include <ac/ctype.h>
#include "slap.h"
-#include <limits.h>
-
-#include <ldap_pvt.h>
+#include "lutil.h"
#define SASLREGEX_REPLACE 10
#define LDAP_X_SCOPE_REGEX ((ber_int_t) 0x0020)
#define LDAP_X_SCOPE_CHILDREN ((ber_int_t) 0x0030)
#define LDAP_X_SCOPE_SUBTREE ((ber_int_t) 0x0040)
+#define LDAP_X_SCOPE_ONELEVEL ((ber_int_t) 0x0050)
+#define LDAP_X_SCOPE_GROUP ((ber_int_t) 0x0060)
+#define LDAP_X_SCOPE_USERS ((ber_int_t) 0x0070)
/*
* IDs in DNauthzid form can now have a type specifier, that
* dn.exact: the value must pass normalization and is used
* in exact DN match.
* dn.regex: the value is treated as a regular expression
- * in matching DN values in saslAuthz{To|From}
+ * in matching DN values in authz{To|From}
* attributes.
* dn: for backwards compatibility reasons, the value
* is treated as a regular expression, and thus
static int nSaslRegexp = 0;
static SaslRegexp_t *SaslRegexp = NULL;
+#ifdef SLAP_AUTH_REWRITE
+#include "rewrite.h"
+struct rewrite_info *sasl_rwinfo = NULL;
+#define AUTHID_CONTEXT "authid"
+#endif /* SLAP_AUTH_REWRITE */
+
/* What SASL proxy authorization policies are allowed? */
-#define SASL_AUTHZ_NONE 0
-#define SASL_AUTHZ_FROM 1
-#define SASL_AUTHZ_TO 2
+#define SASL_AUTHZ_NONE 0x00
+#define SASL_AUTHZ_FROM 0x01
+#define SASL_AUTHZ_TO 0x02
+#define SASL_AUTHZ_AND 0x10
+
+static const char *policy_txt[] = {
+ "none", "from", "to", "any"
+};
static int authz_policy = SASL_AUTHZ_NONE;
+static
+int slap_sasl_match( Operation *opx, struct berval *rule,
+ struct berval *assertDN, struct berval *authc );
+
int slap_sasl_setpolicy( const char *arg )
{
int rc = LDAP_SUCCESS;
authz_policy = SASL_AUTHZ_FROM;
} else if ( strcasecmp( arg, "to" ) == 0 ) {
authz_policy = SASL_AUTHZ_TO;
- } else if ( strcasecmp( arg, "both" ) == 0 ) {
+ } else if ( strcasecmp( arg, "both" ) == 0 || strcasecmp( arg, "any" ) == 0 ) {
authz_policy = SASL_AUTHZ_FROM | SASL_AUTHZ_TO;
+ } else if ( strcasecmp( arg, "all" ) == 0 ) {
+ authz_policy = SASL_AUTHZ_FROM | SASL_AUTHZ_TO | SASL_AUTHZ_AND;
} else {
rc = LDAP_OTHER;
}
return rc;
}
+const char * slap_sasl_getpolicy()
+{
+ if ( authz_policy == (SASL_AUTHZ_FROM | SASL_AUTHZ_TO | SASL_AUTHZ_AND) )
+ return "all";
+ else
+ return policy_txt[authz_policy];
+}
+
int slap_parse_user( struct berval *id, struct berval *user,
struct berval *realm, struct berval *mech )
{
char u;
assert( id );
- assert( id->bv_val );
+ assert( !BER_BVISNULL( id ) );
assert( user );
assert( realm );
assert( mech );
*/
user->bv_val = strchr( id->bv_val, ':' );
- if ( user->bv_val == NULL ) {
+ if ( BER_BVISNULL( user ) ) {
return LDAP_PROTOCOL_ERROR;
}
user->bv_val[ 0 ] = '\0';
user->bv_len = id->bv_len - ( user->bv_val - id->bv_val );
mech->bv_val = strchr( id->bv_val, '.' );
- if ( mech->bv_val != NULL ) {
+ if ( !BER_BVISNULL( mech ) ) {
mech->bv_val[ 0 ] = '\0';
mech->bv_val++;
- realm->bv_val = strchr( id->bv_val, '/' );
+ realm->bv_val = strchr( mech->bv_val, '/' );
- if ( realm->bv_val ) {
+ if ( !BER_BVISNULL( realm ) ) {
+ realm->bv_val[ 0 ] = '\0';
+ realm->bv_val++;
mech->bv_len = realm->bv_val - mech->bv_val - 1;
realm->bv_len = user->bv_val - realm->bv_val - 1;
} else {
}
} else {
- realm->bv_val = NULL;
+ BER_BVZERO( realm );
}
if ( id->bv_val[ 1 ] != '\0' ) {
return LDAP_PROTOCOL_ERROR;
}
- if ( mech->bv_val != NULL ) {
+ if ( !BER_BVISNULL( mech ) ) {
assert( mech->bv_val == id->bv_val + 2 );
AC_MEMCPY( mech->bv_val - 2, mech->bv_val, mech->bv_len + 1 );
mech->bv_val -= 2;
}
- if ( realm->bv_val ) {
+ if ( !BER_BVISNULL( realm ) ) {
assert( realm->bv_val >= id->bv_val + 2 );
AC_MEMCPY( realm->bv_val - 2, realm->bv_val, realm->bv_len + 1 );
int rc;
LDAPURLDesc *ludp;
- assert( uri != NULL && uri->bv_val != NULL );
- base->bv_val = NULL;
- base->bv_len = 0;
- nbase->bv_val = NULL;
- nbase->bv_len = 0;
- fstr->bv_val = NULL;
- fstr->bv_len = 0;
+ assert( uri != NULL && !BER_BVISNULL( uri ) );
+ BER_BVZERO( base );
+ BER_BVZERO( nbase );
+ BER_BVZERO( fstr );
*scope = -1;
*filter = NULL;
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_parseURI: parsing %s\n", uri->bv_val, 0, 0 );
-#else
Debug( LDAP_DEBUG_TRACE,
"slap_parseURI: parsing %s\n", uri->bv_val, 0, 0 );
-#endif
rc = LDAP_PROTOCOL_ERROR;
- if ( !strncasecmp( uri->bv_val, "dn", sizeof( "dn" ) - 1 ) ) {
- bv.bv_val = uri->bv_val + sizeof( "dn" ) - 1;
+ /*
+ * dn[.<dnstyle>]:<dnpattern>
+ * <dnstyle> ::= {exact|regex|children|subtree|onelevel}
+ *
+ * <dnstyle> defaults to "exact"
+ * if <dnstyle> is not "regex", <dnpattern> must pass DN normalization
+ */
+ if ( !strncasecmp( uri->bv_val, "dn", STRLENOF( "dn" ) ) ) {
+ bv.bv_val = uri->bv_val + STRLENOF( "dn" );
if ( bv.bv_val[ 0 ] == '.' ) {
bv.bv_val++;
- if ( !strncasecmp( bv.bv_val, "exact:", sizeof( "exact:" ) - 1 ) ) {
- bv.bv_val += sizeof( "exact" ) - 1;
+ if ( !strncasecmp( bv.bv_val, "exact:", STRLENOF( "exact:" ) ) ) {
+ bv.bv_val += STRLENOF( "exact:" );
*scope = LDAP_X_SCOPE_EXACT;
- } else if ( !strncasecmp( bv.bv_val, "regex:", sizeof( "regex:" ) - 1 ) ) {
- bv.bv_val += sizeof( "regex" ) - 1;
+ } else if ( !strncasecmp( bv.bv_val, "regex:", STRLENOF( "regex:" ) ) ) {
+ bv.bv_val += STRLENOF( "regex:" );
*scope = LDAP_X_SCOPE_REGEX;
- } else if ( !strncasecmp( bv.bv_val, "children:", sizeof( "chldren:" ) - 1 ) ) {
- bv.bv_val += sizeof( "children" ) - 1;
+ } else if ( !strncasecmp( bv.bv_val, "children:", STRLENOF( "children:" ) ) ) {
+ bv.bv_val += STRLENOF( "children:" );
*scope = LDAP_X_SCOPE_CHILDREN;
- } else if ( !strncasecmp( bv.bv_val, "subtree:", sizeof( "subtree:" ) - 1 ) ) {
- bv.bv_val += sizeof( "subtree" ) - 1;
+ } else if ( !strncasecmp( bv.bv_val, "subtree:", STRLENOF( "subtree:" ) ) ) {
+ bv.bv_val += STRLENOF( "subtree:" );
*scope = LDAP_X_SCOPE_SUBTREE;
+ } else if ( !strncasecmp( bv.bv_val, "onelevel:", STRLENOF( "onelevel:" ) ) ) {
+ bv.bv_val += STRLENOF( "onelevel:" );
+ *scope = LDAP_X_SCOPE_ONELEVEL;
+
} else {
return LDAP_PROTOCOL_ERROR;
}
- }
- if ( bv.bv_val[ 0 ] != ':' ) {
- return LDAP_PROTOCOL_ERROR;
+ } else {
+ if ( bv.bv_val[ 0 ] != ':' ) {
+ return LDAP_PROTOCOL_ERROR;
+ }
+ *scope = LDAP_X_SCOPE_EXACT;
+ bv.bv_val++;
}
- bv.bv_val++;
bv.bv_val += strspn( bv.bv_val, " " );
/* jump here in case no type specification was present
- * and uir was not an URI... HEADS-UP: assuming EXACT */
+ * and uri was not an URI... HEADS-UP: assuming EXACT */
is_dn: bv.bv_len = uri->bv_len - (bv.bv_val - uri->bv_val);
+ /* a single '*' means any DN without using regexes */
+ if ( ber_bvccmp( &bv, '*' ) ) {
+ *scope = LDAP_X_SCOPE_USERS;
+ }
+
switch ( *scope ) {
case LDAP_X_SCOPE_EXACT:
case LDAP_X_SCOPE_CHILDREN:
case LDAP_X_SCOPE_SUBTREE:
+ case LDAP_X_SCOPE_ONELEVEL:
rc = dnNormalize( 0, NULL, NULL, &bv, nbase, op->o_tmpmemctx );
if( rc != LDAP_SUCCESS ) {
*scope = -1;
case LDAP_X_SCOPE_REGEX:
ber_dupbv_x( nbase, &bv, op->o_tmpmemctx );
+
+ case LDAP_X_SCOPE_USERS:
rc = LDAP_SUCCESS;
break;
return rc;
+ /*
+ * u:<uid>
+ */
} else if ( ( uri->bv_val[ 0 ] == 'u' || uri->bv_val[ 0 ] == 'U' )
&& ( uri->bv_val[ 1 ] == ':'
|| uri->bv_val[ 1 ] == '/'
{
Connection c = *op->o_conn;
char buf[ SLAP_LDAPDN_MAXLEN ];
- struct berval id = { uri->bv_len, (char *)buf },
- user = { 0, NULL },
- realm = { 0, NULL },
- mech = { 0, NULL };
+ struct berval id,
+ user = BER_BVNULL,
+ realm = BER_BVNULL,
+ mech = BER_BVNULL;
if ( sizeof( buf ) <= uri->bv_len ) {
return LDAP_INVALID_SYNTAX;
}
+ id.bv_len = uri->bv_len;
+ id.bv_val = buf;
strncpy( buf, uri->bv_val, sizeof( buf ) );
rc = slap_parse_user( &id, &user, &realm, &mech );
return rc;
}
- if ( mech.bv_val ) {
+ if ( !BER_BVISNULL( &mech ) ) {
c.c_sasl_bind_mech = mech;
} else {
- c.c_sasl_bind_mech.bv_val = "AUTHZ";
- c.c_sasl_bind_mech.bv_len = sizeof( "AUTHZ" ) - 1;
+ BER_BVSTR( &c.c_sasl_bind_mech, "AUTHZ" );
}
- rc = slap_sasl_getdn( &c, op, user.bv_val, user.bv_len,
+ rc = slap_sasl_getdn( &c, op, &user,
realm.bv_val, nbase, SLAP_GETDN_AUTHZID );
if ( rc == LDAP_SUCCESS ) {
}
return rc;
- }
+
+ /*
+ * group[/<groupoc>[/<groupat>]]:<groupdn>
+ *
+ * groupoc defaults to "groupOfNames"
+ * groupat defaults to "member"
+ *
+ * <groupdn> must pass DN normalization
+ */
+ } else if ( strncasecmp( uri->bv_val, "group", STRLENOF( "group" ) ) == 0 )
+ {
+ struct berval group_dn = BER_BVNULL,
+ group_oc = BER_BVNULL,
+ member_at = BER_BVNULL;
+ char *tmp;
+
+ bv.bv_val = uri->bv_val + STRLENOF( "group" );
+ group_dn.bv_val = strchr( bv.bv_val, ':' );
+ if ( group_dn.bv_val == NULL ) {
+ /* last chance: assume it's a(n exact) DN ... */
+ bv.bv_val = uri->bv_val;
+ *scope = LDAP_X_SCOPE_EXACT;
+ goto is_dn;
+ }
+ if ( bv.bv_val[ 0 ] == '/' ) {
+ group_oc.bv_val = &bv.bv_val[ 1 ];
+
+ member_at.bv_val = strchr( group_oc.bv_val, '/' );
+ if ( member_at.bv_val ) {
+ group_oc.bv_len = member_at.bv_val - group_oc.bv_val;
+ member_at.bv_val++;
+ member_at.bv_len = group_dn.bv_val - member_at.bv_val;
+
+ } else {
+ group_oc.bv_len = group_dn.bv_val - group_oc.bv_val;
+ BER_BVSTR( &member_at, "member" );
+ }
+
+ } else {
+ BER_BVSTR( &group_oc, "groupOfNames" );
+ }
+ group_dn.bv_val++;
+ group_dn.bv_len = uri->bv_len - ( group_dn.bv_val - uri->bv_val );
+
+ rc = dnNormalize( 0, NULL, NULL, &group_dn, nbase, op->o_tmpmemctx );
+ if ( rc != LDAP_SUCCESS ) {
+ *scope = -1;
+ return rc;
+ }
+ *scope = LDAP_X_SCOPE_GROUP;
+
+ /* FIXME: caller needs to add value of member attribute
+ * and close brackets twice */
+ fstr->bv_len = STRLENOF( "(&(objectClass=)(=" /* )) */ )
+ + group_oc.bv_len + member_at.bv_len;
+ fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
+
+ tmp = lutil_strncopy( fstr->bv_val, "(&(objectClass=" /* )) */ ,
+ STRLENOF( "(&(objectClass=" /* )) */ ) );
+ tmp = lutil_strncopy( tmp, group_oc.bv_val, group_oc.bv_len );
+ tmp = lutil_strncopy( tmp, /* ( */ ")(" /* ) */ ,
+ STRLENOF( /* ( */ ")(" /* ) */ ) );
+ tmp = lutil_strncopy( tmp, member_at.bv_val, member_at.bv_len );
+ tmp = lutil_strncopy( tmp, "=", STRLENOF( "=" ) );
+
+ return rc;
+ }
+
+ /*
+ * ldap:///<base>??<scope>?<filter>
+ * <scope> ::= {base|one|subtree}
+ *
+ * <scope> defaults to "base"
+ * <base> must pass DN normalization
+ * <filter> must pass str2filter()
+ */
rc = ldap_url_parse( uri->bv_val, &ludp );
- if ( rc == LDAP_URL_ERR_BADSCHEME ) {
- /* last chance: assume it's a(n exact) DN ... */
+ switch ( rc ) {
+ case LDAP_URL_SUCCESS:
+ /* FIXME: the check is pedantic, but I think it's necessary,
+ * because people tend to use things like ldaps:// which
+ * gives the idea SSL is being used. Maybe we could
+ * accept ldapi:// as well, but the point is that we use
+ * an URL as an easy means to define bits of a search with
+ * little parsing.
+ */
+ if ( strcasecmp( ludp->lud_scheme, "ldap" ) != 0 ) {
+ /*
+ * must be ldap:///
+ */
+ return LDAP_PROTOCOL_ERROR;
+ }
+ break;
+
+ case LDAP_URL_ERR_BADSCHEME:
+ /*
+ * last chance: assume it's a(n exact) DN ...
+ *
+ * NOTE: must pass DN normalization
+ */
bv.bv_val = uri->bv_val;
*scope = LDAP_X_SCOPE_EXACT;
goto is_dn;
- }
- if ( rc != LDAP_URL_SUCCESS ) {
+ default:
return LDAP_PROTOCOL_ERROR;
}
- if (( ludp->lud_host && *ludp->lud_host )
+ if ( ( ludp->lud_host && *ludp->lud_host )
|| ludp->lud_attrs || ludp->lud_exts )
{
/* host part must be empty */
done:
if( rc != LDAP_SUCCESS ) {
if( *filter ) filter_free_x( op, *filter );
- base->bv_val = NULL;
- base->bv_len = 0;
- fstr->bv_val = NULL;
- fstr->bv_len = 0;
+ BER_BVZERO( base );
+ BER_BVZERO( fstr );
} else {
/* Don't free these, return them to caller */
ludp->lud_filter = NULL;
}
if ( *c == '$' ) {
if ( n == SASLREGEX_REPLACE ) {
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ERR,
- "slap_sasl_rx_off: \"%s\" has too many $n "
- "placeholders (max %d)\n", rep, SASLREGEX_REPLACE, 0 );
-#else
Debug( LDAP_DEBUG_ANY,
"SASL replace pattern %s has too many $n "
"placeholders (max %d)\n",
rep, SASLREGEX_REPLACE, 0 );
-#endif
return( LDAP_OTHER );
}
return( LDAP_SUCCESS );
}
+#ifdef SLAP_AUTH_REWRITE
+int slap_sasl_rewrite_config(
+ const char *fname,
+ int lineno,
+ int argc,
+ char **argv
+)
+{
+ int rc;
+ char *savearg0;
+
+ /* init at first call */
+ if ( sasl_rwinfo == NULL ) {
+ sasl_rwinfo = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
+ }
+
+ /* strip "authid-" prefix for parsing */
+ savearg0 = argv[0];
+ argv[0] += STRLENOF( "authid-" );
+ rc = rewrite_parse( sasl_rwinfo, fname, lineno, argc, argv );
+ argv[0] = savearg0;
+
+ return rc;
+}
+
+int slap_sasl_rewrite_destroy( void )
+{
+ if ( sasl_rwinfo ) {
+ rewrite_info_delete( &sasl_rwinfo );
+ sasl_rwinfo = NULL;
+ }
+
+ return 0;
+}
+
+int slap_sasl_regexp_rewrite_config(
+ const char *fname,
+ int lineno,
+ const char *match,
+ const char *replace,
+ const char *context )
+{
+ int rc;
+ char *argvRule[] = { "rewriteRule", NULL, NULL, ":@", NULL };
+
+ /* init at first call */
+ if ( sasl_rwinfo == NULL ) {
+ char *argvEngine[] = { "rewriteEngine", "on", NULL };
+ char *argvContext[] = { "rewriteContext", NULL, NULL };
+
+ /* initialize rewrite engine */
+ sasl_rwinfo = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
+
+ /* switch on rewrite engine */
+ rc = rewrite_parse( sasl_rwinfo, fname, lineno, 2, argvEngine );
+ if (rc != LDAP_SUCCESS) {
+ return rc;
+ }
+
+ /* create generic authid context */
+ argvContext[1] = AUTHID_CONTEXT;
+ rc = rewrite_parse( sasl_rwinfo, fname, lineno, 2, argvContext );
+ if (rc != LDAP_SUCCESS) {
+ return rc;
+ }
+ }
+
+ argvRule[1] = (char *)match;
+ argvRule[2] = (char *)replace;
+ rc = rewrite_parse( sasl_rwinfo, fname, lineno, 4, argvRule );
+
+ return rc;
+}
+#endif /* SLAP_AUTH_REWRITE */
+
int slap_sasl_regexp_config( const char *match, const char *replace )
{
int rc;
reg->sr_match = ch_strdup( match );
reg->sr_replace = ch_strdup( replace );
+#ifdef SLAP_AUTH_REWRITE
+ rc = slap_sasl_regexp_rewrite_config( "sasl-regexp", 0,
+ match, replace, AUTHID_CONTEXT );
+ if ( rc == LDAP_SUCCESS ) nSaslRegexp++;
+ return rc;
+#else /* ! SLAP_AUTH_REWRITE */
+
/* Precompile matching pattern */
rc = regcomp( ®->sr_workspace, reg->sr_match, REG_EXTENDED|REG_ICASE );
if ( rc ) {
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ERR,
- "slap_sasl_regexp_config: \"%s\" could not be compiled.\n",
- reg->sr_match, 0, 0 );
-#else
Debug( LDAP_DEBUG_ANY,
"SASL match pattern %s could not be compiled by regexp engine\n",
reg->sr_match, 0, 0 );
-#endif
return( LDAP_OTHER );
}
nSaslRegexp++;
return( LDAP_SUCCESS );
+#endif /* ! SLAP_AUTH_REWRITE */
}
+void slap_sasl_regexp_unparse( BerVarray *out )
+{
+ int i;
+ struct berval bv;
+ BerVarray bva = NULL;
+ char ibuf[32], *ptr;
+ struct berval idx;
+
+ if ( !nSaslRegexp ) return;
+
+ idx.bv_val = ibuf;
+ bva = ch_malloc( (nSaslRegexp+1) * sizeof(struct berval) );
+ BER_BVZERO(bva+nSaslRegexp);
+ for ( i=0; i<nSaslRegexp; i++ ) {
+ idx.bv_len = sprintf( idx.bv_val, "{%d}", i);
+ bva[i].bv_len = idx.bv_len + strlen( SaslRegexp[i].sr_match ) +
+ strlen( SaslRegexp[i].sr_replace ) + 5;
+ bva[i].bv_val = ch_malloc( bva[i].bv_len+1 );
+ ptr = lutil_strcopy( bva[i].bv_val, ibuf );
+ *ptr++ = '"';
+ ptr = lutil_strcopy( ptr, SaslRegexp[i].sr_match );
+ ptr = lutil_strcopy( ptr, "\" \"" );
+ ptr = lutil_strcopy( ptr, SaslRegexp[i].sr_replace );
+ *ptr++ = '"';
+ *ptr = '\0';
+ }
+ *out = bva;
+}
/* Perform replacement on regexp matches */
static void slap_sasl_rx_exp(
len += str[i].rm_eo - str[i].rm_so;
n++;
}
- out->bv_val = sl_malloc( len + 1, ctx );
+ out->bv_val = slap_sl_malloc( len + 1, ctx );
out->bv_len = len;
/* Fill in URI with replace string, replacing $i as we go */
LDAP URI to find the matching LDAP entry, using the pattern matching
strings given in the saslregexp config file directive(s) */
-static int slap_sasl_regexp( struct berval *in, struct berval *out, void *ctx )
+static int slap_authz_regexp( struct berval *in, struct berval *out,
+ int flags, void *ctx )
{
+#ifdef SLAP_AUTH_REWRITE
+ const char *context = AUTHID_CONTEXT;
+
+ if ( sasl_rwinfo == NULL || BER_BVISNULL( in ) ) {
+ return 0;
+ }
+
+ /* FIXME: if aware of authc/authz mapping,
+ * we could use different contexts ... */
+ switch ( rewrite_session( sasl_rwinfo, context, in->bv_val, NULL,
+ &out->bv_val ) )
+ {
+ case REWRITE_REGEXEC_OK:
+ if ( !BER_BVISNULL( out ) ) {
+ char *val = out->bv_val;
+ ber_str2bv_x( val, 0, 1, out, ctx );
+ if ( val != in->bv_val ) {
+ free( val );
+ }
+ } else {
+ ber_dupbv_x( out, in, ctx );
+ }
+ Debug( LDAP_DEBUG_ARGS,
+ "[rw] %s: \"%s\" -> \"%s\"\n",
+ context, in->bv_val, out->bv_val );
+ return 1;
+
+ case REWRITE_REGEXEC_UNWILLING:
+ case REWRITE_REGEXEC_ERR:
+ default:
+ return 0;
+ }
+
+#else /* ! SLAP_AUTH_REWRITE */
char *saslname = in->bv_val;
SaslRegexp_t *reg;
regmatch_t sr_strings[SASLREGEX_REPLACE]; /* strings matching $1,$2 ... */
memset( out, 0, sizeof( *out ) );
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl_regexp: converting SASL name %s\n", saslname, 0, 0 );
-#else
- Debug( LDAP_DEBUG_TRACE, "slap_sasl_regexp: converting SASL name %s\n",
+ Debug( LDAP_DEBUG_TRACE, "slap_authz_regexp: converting SASL name %s\n",
saslname, 0, 0 );
-#endif
if (( saslname == NULL ) || ( nSaslRegexp == 0 )) {
return( 0 );
slap_sasl_rx_exp( reg->sr_replace, reg->sr_offset,
sr_strings, saslname, out, ctx );
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl_regexp: converted SASL name to %s\n",
- out->bv_len ? out->bv_val : "", 0, 0 );
-#else
Debug( LDAP_DEBUG_TRACE,
- "slap_sasl_regexp: converted SASL name to %s\n",
- out->bv_len ? out->bv_val : "", 0, 0 );
-#endif
+ "slap_authz_regexp: converted SASL name to %s\n",
+ BER_BVISEMPTY( out ) ? "" : out->bv_val, 0, 0 );
return( 1 );
+#endif /* ! SLAP_AUTH_REWRITE */
}
/* This callback actually does some work...*/
if (rs->sr_type != REP_SEARCH) return 0;
/* We only want to be called once */
- if( ndn->bv_val ) {
+ if ( !BER_BVISNULL( ndn ) ) {
o->o_tmpfree(ndn->bv_val, o->o_tmpmemctx);
- ndn->bv_val = NULL;
+ BER_BVZERO( ndn );
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, DETAIL1,
- "slap_sc_sasl2dn: search DN returned more than 1 entry\n", 0, 0, 0 );
-#else
Debug( LDAP_DEBUG_TRACE,
"slap_sc_sasl2dn: search DN returned more than 1 entry\n", 0, 0, 0 );
-#endif
return -1;
}
{
smatch_info *sm = o->o_callback->sc_private;
- if (rs->sr_type != REP_SEARCH) return 0;
+ if ( rs->sr_type != REP_SEARCH ) {
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ sm->match = -1;
+ }
+ return 0;
+ }
+
+ if ( sm->match == 1 ) {
+ sm->match = -1;
+ return 0;
+ }
if (dn_match(sm->dn, &rs->sr_entry->e_nname)) {
sm->match = 1;
- return -1; /* short-circuit the search */
+
+ } else {
+ sm->match = -1;
}
- return 1;
+ return 0;
+}
+
+int
+slap_sasl_matches( Operation *op, BerVarray rules,
+ struct berval *assertDN, struct berval *authc )
+{
+ int rc = LDAP_INAPPROPRIATE_AUTH;
+
+ if ( rules != NULL ) {
+ int i;
+
+ for( i = 0; !BER_BVISNULL( &rules[i] ); i++ ) {
+ rc = slap_sasl_match( op, &rules[i], assertDN, authc );
+ if ( rc == LDAP_SUCCESS ) break;
+ }
+ }
+
+ return rc;
}
/*
slap_callback cb = { NULL, sasl_sc_smatch, NULL, NULL };
Operation op = {0};
SlapReply rs = {REP_RESULT};
+ struct berval base = BER_BVNULL;
+
+ sm.dn = assertDN;
+ sm.match = 0;
+ cb.sc_private = &sm;
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl_match: comparing DN %s to rule %s\n",
- assertDN->bv_val, rule->bv_val,0 );
-#else
Debug( LDAP_DEBUG_TRACE,
"===>slap_sasl_match: comparing DN %s to rule %s\n",
assertDN->bv_val, rule->bv_val, 0 );
-#endif
- rc = slap_parseURI( opx, rule, &op.o_req_dn,
- &op.o_req_ndn, &op.oq_search.rs_scope, &op.oq_search.rs_filter,
+ rc = slap_parseURI( opx, rule, &base,
+ &op.o_req_ndn, &op.ors_scope, &op.ors_filter,
&op.ors_filterstr );
if( rc != LDAP_SUCCESS ) goto CONCLUDED;
- /* Massive shortcut: search scope == base */
- switch ( op.oq_search.rs_scope ) {
- case LDAP_SCOPE_BASE:
+ switch ( op.ors_scope ) {
case LDAP_X_SCOPE_EXACT:
exact_match:
if ( dn_match( &op.o_req_ndn, assertDN ) ) {
case LDAP_X_SCOPE_CHILDREN:
case LDAP_X_SCOPE_SUBTREE:
+ case LDAP_X_SCOPE_ONELEVEL:
{
int d = assertDN->bv_len - op.o_req_ndn.bv_len;
rc = LDAP_INAPPROPRIATE_AUTH;
- if ( d == 0 && op.oq_search.rs_scope == LDAP_X_SCOPE_SUBTREE ) {
+ if ( d == 0 && op.ors_scope == LDAP_X_SCOPE_SUBTREE ) {
goto exact_match;
} else if ( d > 0 ) {
- struct berval bv = { op.o_req_ndn.bv_len, assertDN->bv_val + d };
+ struct berval bv;
+
+ /* leave room for at least one char of attributeType,
+ * one for '=' and one for ',' */
+ if ( d < STRLENOF( "x=,") ) {
+ goto CONCLUDED;
+ }
+
+ bv.bv_len = op.o_req_ndn.bv_len;
+ bv.bv_val = assertDN->bv_val + d;
if ( bv.bv_val[ -1 ] == ',' && dn_match( &op.o_req_ndn, &bv ) ) {
- rc = LDAP_SUCCESS;
+ switch ( op.ors_scope ) {
+ case LDAP_X_SCOPE_SUBTREE:
+ case LDAP_X_SCOPE_CHILDREN:
+ rc = LDAP_SUCCESS;
+ break;
+
+ case LDAP_X_SCOPE_ONELEVEL:
+ {
+ struct berval pdn;
+
+ dnParent( assertDN, &pdn );
+ /* the common portion of the DN
+ * already matches, so only check
+ * if parent DN of assertedDN
+ * is all the pattern */
+ if ( pdn.bv_len == op.o_req_ndn.bv_len ) {
+ rc = LDAP_SUCCESS;
+ }
+ break;
+ }
+ default:
+ /* at present, impossible */
+ assert( 0 );
+ }
}
}
goto CONCLUDED;
}
goto CONCLUDED;
+ case LDAP_X_SCOPE_GROUP: {
+ char *tmp;
+
+ /* Now filterstr looks like "(&(objectClass=<group_oc>)(<member_at>="
+ * we need to append the <assertDN> so that the <group_dn> is searched
+ * with scope "base", and the filter ensures that <assertDN> is
+ * member of the group */
+ tmp = ch_realloc( op.ors_filterstr.bv_val, op.ors_filterstr.bv_len +
+ assertDN->bv_len + STRLENOF( /*"(("*/ "))" ) + 1 );
+ if ( tmp == NULL ) {
+ rc = LDAP_NO_MEMORY;
+ goto CONCLUDED;
+ }
+ op.ors_filterstr.bv_val = tmp;
+
+ tmp = lutil_strcopy( &tmp[op.ors_filterstr.bv_len], assertDN->bv_val );
+ tmp = lutil_strcopy( tmp, /*"(("*/ "))" );
+
+ /* pass opx because str2filter_x may (and does) use o_tmpmfuncs */
+ op.ors_filter = str2filter_x( opx, op.ors_filterstr.bv_val );
+ if ( op.ors_filter == NULL ) {
+ rc = LDAP_PROTOCOL_ERROR;
+ goto CONCLUDED;
+ }
+ op.ors_scope = LDAP_SCOPE_BASE;
+
+ /* hijack match DN: use that of the group instead of the assertDN;
+ * assertDN is now in the filter */
+ sm.dn = &op.o_req_ndn;
+
+ /* do the search */
+ break;
+ }
+
+ case LDAP_X_SCOPE_USERS:
+ if ( !BER_BVISEMPTY( assertDN ) ) {
+ rc = LDAP_SUCCESS;
+ } else {
+ rc = LDAP_INAPPROPRIATE_AUTH;
+ }
+ goto CONCLUDED;
+
default:
break;
}
/* Must run an internal search. */
- if ( op.oq_search.rs_filter == NULL ) {
+ if ( op.ors_filter == NULL ) {
rc = LDAP_FILTER_ERROR;
goto CONCLUDED;
}
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, DETAIL1,
- "slap_sasl_match: performing internal search (base=%s, scope=%d)\n",
- op.o_req_ndn.bv_val, op.oq_search.rs_scope, 0 );
-#else
Debug( LDAP_DEBUG_TRACE,
"slap_sasl_match: performing internal search (base=%s, scope=%d)\n",
- op.o_req_ndn.bv_val, op.oq_search.rs_scope, 0 );
-#endif
+ op.o_req_ndn.bv_val, op.ors_scope, 0 );
op.o_bd = select_backend( &op.o_req_ndn, 0, 1 );
if(( op.o_bd == NULL ) || ( op.o_bd->be_search == NULL)) {
goto CONCLUDED;
}
- sm.dn = assertDN;
- sm.match = 0;
- cb.sc_private = &sm;
-
+ op.o_hdr = opx->o_hdr;
op.o_tag = LDAP_REQ_SEARCH;
- op.o_protocol = LDAP_VERSION3;
op.o_ndn = *authc;
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 = opx->o_threadctx;
- op.o_tmpmemctx = opx->o_tmpmemctx;
- op.o_tmpmfuncs = opx->o_tmpmfuncs;
-#ifdef LDAP_SLAPI
- op.o_pb = opx->o_pb;
-#endif
- op.o_conn = opx->o_conn;
- op.o_connid = opx->o_connid;
- op.o_req_dn = op.o_req_ndn;
+ /* use req_ndn as req_dn instead of non-pretty base of uri */
+ if( !BER_BVISNULL( &base ) ) {
+ ch_free( base.bv_val );
+ /* just in case... */
+ BER_BVZERO( &base );
+ }
+ ber_dupbv_x( &op.o_req_dn, &op.o_req_ndn, op.o_tmpmemctx );
+ op.ors_deref = LDAP_DEREF_NEVER;
+ op.ors_slimit = 1;
+ op.ors_tlimit = SLAP_NO_LIMIT;
+ op.ors_attrs = slap_anlist_no_attrs;
+ op.ors_attrsonly = 1;
op.o_bd->be_search( &op, &rs );
- if (sm.match) {
+ if (sm.match == 1) {
rc = LDAP_SUCCESS;
} else {
rc = LDAP_INAPPROPRIATE_AUTH;
}
CONCLUDED:
- if( op.o_req_dn.bv_len ) ch_free( op.o_req_dn.bv_val );
- if( op.o_req_ndn.bv_len ) sl_free( op.o_req_ndn.bv_val, opx->o_tmpmemctx );
- if( op.oq_search.rs_filter ) filter_free_x( opx, op.oq_search.rs_filter );
- if( op.ors_filterstr.bv_len ) ch_free( op.ors_filterstr.bv_val );
-
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl_match: comparison returned %d\n", rc, 0, 0 );
-#else
+ if( !BER_BVISNULL( &op.o_req_dn ) ) slap_sl_free( op.o_req_dn.bv_val, opx->o_tmpmemctx );
+ if( !BER_BVISNULL( &op.o_req_ndn ) ) slap_sl_free( op.o_req_ndn.bv_val, opx->o_tmpmemctx );
+ if( op.ors_filter ) filter_free_x( opx, op.ors_filter );
+ if( !BER_BVISNULL( &op.ors_filterstr ) ) ch_free( op.ors_filterstr.bv_val );
+
Debug( LDAP_DEBUG_TRACE,
"<===slap_sasl_match: comparison returned %d\n", rc, 0, 0);
-#endif
return( rc );
}
struct berval *authc )
{
int i, rc;
- BerVarray vals=NULL;
+ BerVarray vals = NULL;
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl_check_authz: does %s match %s rule in %s?\n",
- assertDN->bv_val, ad->ad_cname.bv_val, searchDN->bv_val);
-#else
Debug( LDAP_DEBUG_TRACE,
"==>slap_sasl_check_authz: does %s match %s rule in %s?\n",
assertDN->bv_val, ad->ad_cname.bv_val, searchDN->bv_val);
-#endif
- rc = backend_attribute( op, NULL,
- searchDN, ad, &vals );
+ rc = backend_attribute( op, NULL, searchDN, ad, &vals, ACL_AUTH );
if( rc != LDAP_SUCCESS ) goto COMPLETE;
- /* Check if the *assertDN matches any **vals */
- if( vals != NULL ) {
- for( i=0; vals[i].bv_val != NULL; i++ ) {
- rc = slap_sasl_match( op, &vals[i], assertDN, authc );
- if ( rc == LDAP_SUCCESS ) goto COMPLETE;
- }
- }
- rc = LDAP_INAPPROPRIATE_AUTH;
+ /* Check if the *assertDN matches any *vals */
+ rc = slap_sasl_matches( op, vals, assertDN, authc );
COMPLETE:
if( vals ) ber_bvarray_free_x( vals, op->o_tmpmemctx );
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, RESULTS,
- "slap_sasl_check_authz: %s check returning %s\n",
- ad->ad_cname.bv_val, rc, 0 );
-#else
Debug( LDAP_DEBUG_TRACE,
"<==slap_sasl_check_authz: %s check returning %d\n",
ad->ad_cname.bv_val, rc, 0);
-#endif
return( rc );
}
* entry, return the DN of that one entry.
*/
void slap_sasl2dn( Operation *opx,
- struct berval *saslname, struct berval *sasldn )
+ struct berval *saslname, struct berval *sasldn, int flags )
{
int rc;
slap_callback cb = { NULL, sasl_sc_sasl2dn, NULL, NULL };
Operation op = {0};
SlapReply rs = {REP_RESULT};
- struct berval regout = { 0, NULL };
+ struct berval regout = BER_BVNULL;
+ struct berval base = BER_BVNULL;
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl2dn: converting SASL name %s to DN.\n",
- saslname->bv_val, 0, 0 );
-#else
Debug( LDAP_DEBUG_TRACE, "==>slap_sasl2dn: "
"converting SASL name %s to a DN\n",
saslname->bv_val, 0,0 );
-#endif
- sasldn->bv_val = NULL;
- sasldn->bv_len = 0;
+ BER_BVZERO( sasldn );
cb.sc_private = sasldn;
/* Convert the SASL name into a minimal URI */
- if( !slap_sasl_regexp( saslname, ®out, opx->o_tmpmemctx ) ) {
+ if( !slap_authz_regexp( saslname, ®out, flags, opx->o_tmpmemctx ) ) {
goto FINISHED;
}
- rc = slap_parseURI( opx, ®out, &op.o_req_dn,
- &op.o_req_ndn, &op.oq_search.rs_scope, &op.oq_search.rs_filter,
+ rc = slap_parseURI( opx, ®out, &base,
+ &op.o_req_ndn, &op.ors_scope, &op.ors_filter,
&op.ors_filterstr );
- if( regout.bv_val ) sl_free( regout.bv_val, opx->o_tmpmemctx );
- if( rc != LDAP_SUCCESS ) {
+ if ( !BER_BVISNULL( ®out ) ) slap_sl_free( regout.bv_val, opx->o_tmpmemctx );
+ if ( rc != LDAP_SUCCESS ) {
goto FINISHED;
}
/* Must do an internal search */
op.o_bd = select_backend( &op.o_req_ndn, 0, 1 );
- /* Massive shortcut: search scope == base */
- switch ( op.oq_search.rs_scope ) {
- case LDAP_SCOPE_BASE:
+ switch ( op.ors_scope ) {
case LDAP_X_SCOPE_EXACT:
*sasldn = op.o_req_ndn;
- op.o_req_ndn.bv_len = 0;
- op.o_req_ndn.bv_val = NULL;
+ BER_BVZERO( &op.o_req_ndn );
/* intentionally continue to next case */
case LDAP_X_SCOPE_REGEX:
case LDAP_X_SCOPE_SUBTREE:
case LDAP_X_SCOPE_CHILDREN:
+ case LDAP_X_SCOPE_ONELEVEL:
+ case LDAP_X_SCOPE_GROUP:
+ case LDAP_X_SCOPE_USERS:
/* correctly parsed, but illegal */
goto FINISHED;
+ case LDAP_SCOPE_BASE:
case LDAP_SCOPE_ONELEVEL:
case LDAP_SCOPE_SUBTREE:
+#ifdef LDAP_SCOPE_SUBORDINATE
+ case LDAP_SCOPE_SUBORDINATE:
+#endif
/* do a search */
break;
assert( 0 );
}
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, DETAIL1,
- "slap_sasl2dn: performing internal search (base=%s, scope=%d)\n",
- op.o_req_ndn.bv_val, op.oq_search.rs_scope, 0 );
-#else
Debug( LDAP_DEBUG_TRACE,
"slap_sasl2dn: performing internal search (base=%s, scope=%d)\n",
- op.o_req_ndn.bv_val, op.oq_search.rs_scope, 0 );
-#endif
+ op.o_req_ndn.bv_val, op.ors_scope, 0 );
- if(( op.o_bd == NULL ) || ( op.o_bd->be_search == NULL)) {
+ if ( ( op.o_bd == NULL ) || ( op.o_bd->be_search == NULL) ) {
+ goto FINISHED;
+ }
+
+ /* Must run an internal search. */
+ if ( op.ors_filter == NULL ) {
+ rc = LDAP_FILTER_ERROR;
goto FINISHED;
}
- op.o_conn = opx->o_conn;
- op.o_connid = opx->o_connid;
+ op.o_hdr = opx->o_hdr;
op.o_tag = LDAP_REQ_SEARCH;
- op.o_protocol = LDAP_VERSION3;
op.o_ndn = opx->o_conn->c_ndn;
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 = opx->o_threadctx;
- op.o_tmpmemctx = opx->o_tmpmemctx;
- op.o_tmpmfuncs = opx->o_tmpmfuncs;
-#ifdef LDAP_SLAPI
- op.o_pb = opx->o_pb;
-#endif
- op.oq_search.rs_deref = LDAP_DEREF_NEVER;
- op.oq_search.rs_slimit = 1;
- op.oq_search.rs_attrsonly = 1;
- op.o_req_dn = op.o_req_ndn;
+ op.ors_deref = LDAP_DEREF_NEVER;
+ op.ors_slimit = 1;
+ op.ors_tlimit = SLAP_NO_LIMIT;
+ op.ors_attrs = slap_anlist_no_attrs;
+ op.ors_attrsonly = 1;
+ /* use req_ndn as req_dn instead of non-pretty base of uri */
+ if( !BER_BVISNULL( &base ) ) {
+ ch_free( base.bv_val );
+ /* just in case... */
+ BER_BVZERO( &base );
+ }
+ ber_dupbv_x( &op.o_req_dn, &op.o_req_ndn, op.o_tmpmemctx );
op.o_bd->be_search( &op, &rs );
FINISHED:
- if( sasldn->bv_len ) {
+ if( !BER_BVISEMPTY( sasldn ) ) {
opx->o_conn->c_authz_backend = op.o_bd;
}
- if( op.o_req_dn.bv_len ) ch_free( op.o_req_dn.bv_val );
- if( op.o_req_ndn.bv_len ) sl_free( op.o_req_ndn.bv_val, opx->o_tmpmemctx );
- if( op.oq_search.rs_filter ) filter_free_x( opx, op.oq_search.rs_filter );
- if( op.ors_filterstr.bv_len ) ch_free( op.ors_filterstr.bv_val );
+ if( !BER_BVISNULL( &op.o_req_dn ) ) {
+ slap_sl_free( op.o_req_dn.bv_val, opx->o_tmpmemctx );
+ }
+ if( !BER_BVISNULL( &op.o_req_ndn ) ) {
+ slap_sl_free( op.o_req_ndn.bv_val, opx->o_tmpmemctx );
+ }
+ if( op.ors_filter ) {
+ filter_free_x( opx, op.ors_filter );
+ }
+ if( !BER_BVISNULL( &op.ors_filterstr ) ) {
+ ch_free( op.ors_filterstr.bv_val );
+ }
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl2dn: Converted SASL name to %s\n",
- sasldn->bv_len ? sasldn->bv_val : "<nothing>", 0, 0 );
-#else
Debug( LDAP_DEBUG_TRACE, "<==slap_sasl2dn: Converted SASL name to %s\n",
- sasldn->bv_len ? sasldn->bv_val : "<nothing>", 0, 0 );
-#endif
+ !BER_BVISEMPTY( sasldn ) ? sasldn->bv_val : "<nothing>", 0, 0 );
return;
}
goto DONE;
}
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl_authorized: can %s become %s?\n",
- authcDN->bv_val, authzDN->bv_val, 0 );
-#else
Debug( LDAP_DEBUG_TRACE,
"==>slap_sasl_authorized: can %s become %s?\n",
authcDN->bv_val, authzDN->bv_val, 0 );
-#endif
/* If person is authorizing to self, succeed */
if ( dn_match( authcDN, authzDN ) ) {
}
/* Allow the manager to authorize as any DN. */
- if( op->o_conn->c_authz_backend && be_isroot( op->o_conn->c_authz_backend, authcDN )) {
+ if( op->o_conn->c_authz_backend &&
+ be_isroot_dn( op->o_conn->c_authz_backend, authcDN ))
+ {
rc = LDAP_SUCCESS;
goto DONE;
}
if( authz_policy & SASL_AUTHZ_TO ) {
rc = slap_sasl_check_authz( op, authcDN, authzDN,
slap_schema.si_ad_saslAuthzTo, authcDN );
- if( rc == LDAP_SUCCESS ) {
+ if( rc == LDAP_SUCCESS && !(authz_policy & SASL_AUTHZ_AND) ) {
goto DONE;
}
}
DONE:
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, RESULTS, "slap_sasl_authorized: return %d\n", rc,0,0 );
-#else
Debug( LDAP_DEBUG_TRACE,
"<== slap_sasl_authorized: return %d\n", rc, 0, 0 );
-#endif
return( rc );
}
projects / openldap / blobdiff