X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Facl.c;h=c648d4ef6fb6dcabf90ac232bfe29f5b718c7231;hb=9c5fe98a79afc5303a1e82a93fd759532f289d27;hp=c99695b603b77e75b45a06e2502c8fdd02837a4f;hpb=182dcf27e269ac40a984b15e9c3594c282d8c45d;p=openldap diff --git a/servers/slapd/acl.c b/servers/slapd/acl.c index c99695b603..c648d4ef6f 100644 --- a/servers/slapd/acl.c +++ b/servers/slapd/acl.c @@ -1,8 +1,27 @@ /* acl.c - routines to parse and check acl's */ /* $OpenLDAP$ */ -/* - * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved. - * COPYING RESTRICTIONS APPLY, see COPYRIGHT file +/* This work is part of OpenLDAP Software . + * + * Copyright 1998-2003 The OpenLDAP Foundation. + * 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 + * . + */ +/* Portions Copyright (c) 1995 Regents of the University of Michigan. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that this notice is preserved and that due credit is given + * to the University of Michigan at Ann Arbor. The name of the University + * may not be used to endorse or promote products derived from this + * software without specific prior written permission. This software + * is provided ``as is'' without express or implied warranty. */ #include "portable.h" @@ -24,10 +43,12 @@ */ static struct berval aci_bv_entry = BER_BVC("entry"), + aci_bv_children = BER_BVC("children"), aci_bv_br_entry = BER_BVC("[entry]"), aci_bv_br_all = BER_BVC("[all]"), aci_bv_access_id = BER_BVC("access-id"), aci_bv_anonymous = BER_BVC("anonymous"), + aci_bv_public = BER_BVC("public"), aci_bv_users = BER_BVC("users"), aci_bv_self = BER_BVC("self"), aci_bv_dnattr = BER_BVC("dnattr"), @@ -46,15 +67,14 @@ static struct berval static AccessControl * acl_get( AccessControl *ac, int *count, - Backend *be, Operation *op, - Entry *e, + Operation *op, Entry *e, AttributeDescription *desc, + struct berval *val, int nmatches, regmatch_t *matches ); static slap_control_t acl_mask( AccessControl *ac, slap_mask_t *mask, - Backend *be, Connection *conn, Operation *op, - Entry *e, + Operation *op, Entry *e, AttributeDescription *desc, struct berval *val, regmatch_t *matches, @@ -63,16 +83,14 @@ static slap_control_t acl_mask( #ifdef SLAPD_ACI_ENABLED static int aci_mask( - Backend *be, - Connection *conn, - Operation *op, - Entry *e, + Operation *op, Entry *e, AttributeDescription *desc, struct berval *val, struct berval *aci, regmatch_t *matches, slap_access_t *grant, - slap_access_t *deny ); + slap_access_t *deny, + struct berval *scope); #endif static int regex_matches( @@ -82,15 +100,13 @@ static void string_expand( char *match, regmatch_t *matches); typedef struct AciSetCookie { - Backend *be; - Entry *e; - Connection *conn; Operation *op; + Entry *e; } AciSetCookie; SLAP_SET_GATHER aci_set_gather; -static int aci_match_set ( struct berval *subj, Backend *be, - Entry *e, Connection *conn, Operation *op, int setref ); +static int aci_match_set ( struct berval *subj, Operation *op, + Entry *e, int setref ); /* * access_allowed - check whether op->o_ndn is allowed the requested access @@ -109,18 +125,18 @@ static int aci_match_set ( struct berval *subj, Backend *be, int access_allowed( - Backend *be, - Connection *conn, - Operation *op, - Entry *e, + Operation *op, + Entry *e, AttributeDescription *desc, - struct berval *val, - slap_access_t access, + struct berval *val, + slap_access_t access, AccessControlState *state ) { int ret = 1; int count; - AccessControl *a; + AccessControl *a = NULL; + Backend *be; + int be_null = 0; #ifdef LDAP_DEBUG char accessmaskbuf[ACCESSMASK_MAXLEN]; @@ -129,6 +145,9 @@ access_allowed( slap_control_t control; const char *attr; regmatch_t matches[MAXREMATCHES]; + int st_same_attr = 0; + int st_initialized = 0; + static AccessControlState state_init = ACL_STATE_INIT; assert( e != NULL ); assert( desc != NULL ); @@ -138,7 +157,13 @@ access_allowed( assert( attr != NULL ); - if( state && state->as_recorded ) { + if( op && op->o_is_auth_check && + ( access == ACL_SEARCH || access == ACL_READ )) + { + access = ACL_AUTH; + } + + if( state && state->as_recorded && state->as_vd_ad==desc) { if( state->as_recorded & ACL_STATE_RECORDED_NV && val == NULL ) { @@ -149,6 +174,11 @@ access_allowed( { return state->as_result; } + st_same_attr = 1; + } + + if( state ) { + state->as_vd_ad=desc; } #ifdef NEW_LOGGING @@ -166,7 +196,20 @@ access_allowed( goto done; } - if ( be == NULL ) be = &backends[0]; +#ifdef LDAP_SLAPI + if ( op->o_pb && + !slapi_x_access_allowed( op, e, desc, val, access, state )) { + /* ACL plugin denied access */ + goto done; + } +#endif /* LDAP_SLAPI */ + + be = op->o_bd; + if ( be == NULL ) { + be = &backends[0]; + be_null = 1; + op->o_bd = be; + } assert( be != NULL ); /* grant database root access */ @@ -174,7 +217,7 @@ access_allowed( #ifdef NEW_LOGGING LDAP_LOG( ACL, INFO, "access_allowed: conn %lu root access granted\n", - conn->c_connid, 0, 0 ); + op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ACL, "<= root access granted\n", @@ -195,7 +238,7 @@ access_allowed( #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, "access_allowed: conn %lu NoUserMod Operational attribute: %s " - "access granted\n", conn->c_connid, attr , 0 ); + "access granted\n", op->o_connid, attr , 0 ); #else Debug( LDAP_DEBUG_ACL, "NoUserMod Operational attribute:" " %s access granted\n", @@ -211,12 +254,13 @@ access_allowed( "access_allowed: backend default %s access %s to \"%s\"\n", access2str( access ), be->be_dfltaccess >= access ? "granted" : "denied", - op->o_dn.bv_val ); + op->o_dn.bv_val ? op->o_dn.bv_val : "(anonymous)" ); #else Debug( LDAP_DEBUG_ACL, "=> access_allowed: backend default %s access %s to \"%s\"\n", access2str( access ), - be->be_dfltaccess >= access ? "granted" : "denied", op->o_dn.bv_val ); + be->be_dfltaccess >= access ? "granted" : "denied", + op->o_dn.bv_val ? op->o_dn.bv_val : "(anonymous)" ); #endif ret = be->be_dfltaccess >= access; goto done; @@ -245,24 +289,24 @@ access_allowed( ret = 0; control = ACL_BREAK; - if( state && ( state->as_recorded & ACL_STATE_RECORDED_VD )) { + if( st_same_attr ) { assert( state->as_vd_acl != NULL ); a = state->as_vd_acl; mask = state->as_vd_acl_mask; count = state->as_vd_acl_count; - AC_MEMCPY( matches, state->as_vd_acl_matches, - sizeof(matches) ); + AC_MEMCPY( matches, state->as_vd_acl_matches, sizeof(matches) ); goto vd_access; } else { + if ( state ) state->as_vi_acl = NULL; a = NULL; ACL_INIT(mask); count = 0; memset(matches, '\0', sizeof(matches)); } - while((a = acl_get( a, &count, be, op, e, desc, + while((a = acl_get( a, &count, op, e, desc, val, MAXREMATCHES, matches )) != NULL) { int i; @@ -289,8 +333,21 @@ access_allowed( #endif } + if (state) { + if (state->as_vi_acl == a && (state->as_recorded & ACL_STATE_RECORDED_NV)) { + Debug( LDAP_DEBUG_ACL, "access_allowed: result from state (%s)\n", attr, 0, 0 ); + ret = state->as_result; + goto done; + } else if (!st_initialized) { + Debug( LDAP_DEBUG_ACL, "access_allowed: no res from state (%s)\n", attr, 0, 0); + *state = state_init; + state->as_vd_ad=desc; + st_initialized=1; + } + } + vd_access: - control = acl_mask( a, &mask, be, conn, op, + control = acl_mask( a, &mask, op, e, desc, val, matches, count, state ); if ( control != ACL_BREAK ) { @@ -304,7 +361,7 @@ vd_access: #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, "access_allowed: conn %lu \"%s\" (%s) invalid!\n", - conn->c_connid, e->e_dn, attr ); + op->o_connid, e->e_dn, attr ); #else Debug( LDAP_DEBUG_ACL, "=> access_allowed: \"%s\" (%s) invalid!\n", @@ -315,7 +372,7 @@ vd_access: } else if ( control == ACL_BREAK ) { #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, - "access_allowed: conn %lu no more rules\n", conn->c_connid, 0,0 ); + "access_allowed: conn %lu no more rules\n", op->o_connid, 0,0 ); #else Debug( LDAP_DEBUG_ACL, "=> access_allowed: no more rules\n", 0, 0, 0); @@ -341,9 +398,14 @@ vd_access: done: if( state != NULL ) { + /* If not value-dependent, save ACL in case of more attrs */ + if ( !(state->as_recorded & ACL_STATE_RECORDED_VD) ) { + state->as_vi_acl = a; + state->as_result = ret; + } state->as_recorded |= ACL_STATE_RECORDED; - state->as_result = ret; } + if (be_null) op->o_bd = NULL; return ret; } @@ -357,12 +419,12 @@ static AccessControl * acl_get( AccessControl *a, int *count, - Backend *be, - Operation *op, - Entry *e, + Operation *op, + Entry *e, AttributeDescription *desc, - int nmatch, - regmatch_t *matches ) + struct berval *val, + int nmatch, + regmatch_t *matches ) { const char *attr; int dnlen, patlen; @@ -376,10 +438,10 @@ acl_get( assert( attr != NULL ); if( a == NULL ) { - if( be == NULL ) { + if( op->o_bd == NULL ) { a = global_acl; } else { - a = be->be_acl; + a = op->o_bd->be_acl; } assert( a != NULL ); @@ -462,7 +524,7 @@ acl_get( } if ( a->acl_filter != NULL ) { - ber_int_t rc = test_filter( NULL, NULL, NULL, e, a->acl_filter ); + ber_int_t rc = test_filter( NULL, e, a->acl_filter ); if ( rc != LDAP_COMPARE_TRUE ) { continue; } @@ -475,7 +537,7 @@ acl_get( Debug( LDAP_DEBUG_ACL, "=> acl_get: [%d] check attr %s\n", *count, attr, 0); #endif - if ( attr == NULL || a->acl_attrs == NULL || + if ( a->acl_attrs == NULL || ad_inlist( desc, a->acl_attrs ) ) { #ifdef NEW_LOGGING @@ -525,14 +587,12 @@ acl_get( static slap_control_t acl_mask( - AccessControl *a, + AccessControl *a, slap_mask_t *mask, - Backend *be, - Connection *conn, - Operation *op, - Entry *e, + Operation *op, + Entry *e, AttributeDescription *desc, - struct berval *val, + struct berval *val, regmatch_t *matches, int count, AccessControlState *state ) @@ -541,6 +601,7 @@ acl_mask( Access *b; #ifdef LDAP_DEBUG char accessmaskbuf[ACCESSMASK_MAXLEN]; + char accessmaskbuf1[ACCESSMASK_MAXLEN]; #endif const char *attr; @@ -555,7 +616,7 @@ acl_mask( #ifdef NEW_LOGGING LDAP_LOG( ACL, ENTRY, "acl_mask: conn %lu access to entry \"%s\", attr \"%s\" requested\n", - conn->c_connid, e->e_dn, attr ); + op->o_connid, e->e_dn, attr ); LDAP_LOG( ACL, ARGS, " to %s by \"%s\", (%s) \n", val ? "value" : "all values", @@ -573,6 +634,48 @@ acl_mask( accessmask2str( *mask, accessmaskbuf ) ); #endif + /* Is this ACL only for a specific value? */ + if ( a->acl_attrval.bv_len ) { + if ( state && !state->as_vd_acl ) { + state->as_vd_acl = a; + state->as_vd_access = a->acl_access; + state->as_vd_access_count = 1; + } + if ( val == NULL ) { + return ACL_BREAK; + } + if ( a->acl_attrval_style == ACL_STYLE_REGEX ) { +#ifdef NEW_LOGGING + LDAP_LOG( ACL, DETAIL1, + "acl_get: valpat %s\n", + a->acl_attrval.bv_val, 0, 0 ); +#else + Debug( LDAP_DEBUG_ACL, + "acl_get: valpat %s\n", + a->acl_attrval.bv_val, 0, 0 ); +#endif + if (regexec(&a->acl_attrval_re, val->bv_val, 0, NULL, 0)) + return ACL_BREAK; + } else { + int match = 0; + const char *text; +#ifdef NEW_LOGGING + LDAP_LOG( ACL, DETAIL1, + "acl_get: val %s\n", + a->acl_attrval.bv_val, 0, 0 ); +#else + Debug( LDAP_DEBUG_ACL, + "acl_get: val %s\n", + a->acl_attrval.bv_val, 0, 0 ); +#endif + if (value_match( &match, desc, + desc->ad_type->sat_equality, 0, + val, &a->acl_attrval, &text ) != LDAP_SUCCESS || + match ) + return ACL_BREAK; + } + } + if( state && ( state->as_recorded & ACL_STATE_RECORDED_VD ) && state->as_vd_acl == a ) { @@ -594,7 +697,7 @@ acl_mask( #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, "acl_mask: conn %lu check a_dn_pat: %s\n", - conn->c_connid, b->a_dn_pat.bv_val ,0 ); + op->o_connid, b->a_dn_pat.bv_val ,0 ); #else Debug( LDAP_DEBUG_ACL, "<= check a_dn_pat: %s\n", b->a_dn_pat.bv_val, 0, 0); @@ -604,17 +707,17 @@ acl_mask( * user is bound as somebody in the same namespace as * the entry, OR the given dn matches the dn pattern */ - if ( ber_bvcmp( &b->a_dn_pat, &aci_bv_anonymous ) == 0 ) { + if ( bvmatch( &b->a_dn_pat, &aci_bv_anonymous ) ) { if ( op->o_ndn.bv_len != 0 ) { continue; } - } else if ( ber_bvcmp( &b->a_dn_pat, &aci_bv_users ) == 0 ) { + } else if ( bvmatch( &b->a_dn_pat, &aci_bv_users ) ) { if ( op->o_ndn.bv_len == 0 ) { continue; } - } else if ( ber_bvcmp( &b->a_dn_pat, &aci_bv_self ) == 0 ) { + } else if ( bvmatch( &b->a_dn_pat, &aci_bv_self ) ) { if ( op->o_ndn.bv_len == 0 ) { continue; } @@ -649,7 +752,7 @@ acl_mask( string_expand(&bv, &b->a_dn_pat, e->e_ndn, matches); - if ( dnNormalize2(NULL, &bv, &pat) != LDAP_SUCCESS ) { + if ( dnNormalize(0, NULL, NULL, &bv, &pat, op->o_tmpmemctx ) != LDAP_SUCCESS ) { /* did not expand to a valid dn */ continue; } @@ -715,10 +818,13 @@ dn_match_cleanup:; } if ( b->a_sockurl_pat.bv_len ) { + if ( ! op->o_conn->c_listener ) { + continue; + } #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, "acl_mask: conn %lu check a_sockurl_pat: %s\n", - conn->c_connid, b->a_sockurl_pat.bv_val , 0 ); + op->o_connid, b->a_sockurl_pat.bv_val , 0 ); #else Debug( LDAP_DEBUG_ACL, "<= check a_sockurl_pat: %s\n", b->a_sockurl_pat.bv_val, 0, 0 ); @@ -726,30 +832,33 @@ dn_match_cleanup:; if ( !ber_bvccmp( &b->a_sockurl_pat, '*' ) ) { if ( b->a_sockurl_style == ACL_STYLE_REGEX) { - if (!regex_matches( &b->a_sockurl_pat, conn->c_listener_url.bv_val, + if (!regex_matches( &b->a_sockurl_pat, op->o_conn->c_listener_url.bv_val, e->e_ndn, matches ) ) { continue; } } else { - if ( ber_bvstrcasecmp( &b->a_sockurl_pat, &conn->c_listener_url ) != 0 ) + if ( ber_bvstrcasecmp( &b->a_sockurl_pat, &op->o_conn->c_listener_url ) != 0 ) continue; } } } if ( b->a_domain_pat.bv_len ) { + if ( !op->o_conn->c_peer_domain.bv_val ) { + continue; + } #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, "acl_mask: conn %lu check a_domain_pat: %s\n", - conn->c_connid, b->a_domain_pat.bv_val , 0 ); + op->o_connid, b->a_domain_pat.bv_val , 0 ); #else Debug( LDAP_DEBUG_ACL, "<= check a_domain_pat: %s\n", b->a_domain_pat.bv_val, 0, 0 ); #endif if ( !ber_bvccmp( &b->a_domain_pat, '*' ) ) { if ( b->a_domain_style == ACL_STYLE_REGEX) { - if (!regex_matches( &b->a_domain_pat, conn->c_peer_domain.bv_val, + if (!regex_matches( &b->a_domain_pat, op->o_conn->c_peer_domain.bv_val, e->e_ndn, matches ) ) { continue; @@ -757,13 +866,13 @@ dn_match_cleanup:; } else { char buf[ACL_BUF_SIZE]; - struct berval cmp = conn->c_peer_domain; + struct berval cmp = op->o_conn->c_peer_domain; struct berval pat = b->a_domain_pat; if ( b->a_domain_expand ) { struct berval bv; - bv.bv_len = sizeof(buf); + bv.bv_len = sizeof(buf) - 1; bv.bv_val = buf; string_expand(&bv, &b->a_domain_pat, e->e_ndn, matches); @@ -793,46 +902,52 @@ dn_match_cleanup:; } if ( b->a_peername_pat.bv_len ) { + if ( !op->o_conn->c_peer_name.bv_val ) { + continue; + } #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, - "acl_mask: conn %lu check a_perrname_path: %s\n", - conn->c_connid, b->a_peername_pat.bv_val , 0 ); + "acl_mask: conn %lu check a_peername_path: %s\n", + op->o_connid, b->a_peername_pat.bv_val , 0 ); #else Debug( LDAP_DEBUG_ACL, "<= check a_peername_path: %s\n", b->a_peername_pat.bv_val, 0, 0 ); #endif if ( !ber_bvccmp( &b->a_peername_pat, '*' ) ) { if ( b->a_peername_style == ACL_STYLE_REGEX) { - if (!regex_matches( &b->a_peername_pat, conn->c_peer_name.bv_val, + if (!regex_matches( &b->a_peername_pat, op->o_conn->c_peer_name.bv_val, e->e_ndn, matches ) ) { continue; } } else { - if ( ber_bvstrcasecmp( &b->a_peername_pat, &conn->c_peer_name ) != 0 ) + if ( ber_bvstrcasecmp( &b->a_peername_pat, &op->o_conn->c_peer_name ) != 0 ) continue; } } } if ( b->a_sockname_pat.bv_len ) { + if ( !op->o_conn->c_sock_name.bv_val ) { + continue; + } #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, "acl_mask: conn %lu check a_sockname_path: %s\n", - conn->c_connid, b->a_sockname_pat.bv_val , 0 ); + op->o_connid, b->a_sockname_pat.bv_val , 0 ); #else Debug( LDAP_DEBUG_ACL, "<= check a_sockname_path: %s\n", b->a_sockname_pat.bv_val, 0, 0 ); #endif if ( !ber_bvccmp( &b->a_sockname_pat, '*' ) ) { if ( b->a_sockname_style == ACL_STYLE_REGEX) { - if (!regex_matches( &b->a_sockname_pat, conn->c_sock_name.bv_val, + if (!regex_matches( &b->a_sockname_pat, op->o_conn->c_sock_name.bv_val, e->e_ndn, matches ) ) { continue; } } else { - if ( ber_bvstrcasecmp( &b->a_sockname_pat, &conn->c_sock_name ) != 0 ) + if ( ber_bvstrcasecmp( &b->a_sockname_pat, &op->o_conn->c_sock_name ) != 0 ) continue; } } @@ -854,7 +969,7 @@ dn_match_cleanup:; #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, "acl_mask: conn %lu check a_dn_pat: %s\n", - conn->c_connid, attr , 0 ); + op->o_connid, attr , 0 ); #else Debug( LDAP_DEBUG_ACL, "<= check a_dn_at: %s\n", attr, 0, 0); @@ -866,7 +981,12 @@ dn_match_cleanup:; at != NULL; at = attrs_find( at->a_next, b->a_dn_at ) ) { - if( value_find( b->a_dn_at, at->a_vals, &bv ) == 0 ) { + if( value_find_ex( b->a_dn_at, + SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH | + SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH, + at->a_nvals, + &bv, op->o_tmpmemctx ) == 0 ) + { /* found it */ match = 1; break; @@ -879,8 +999,8 @@ dn_match_cleanup:; */ if ( b->a_dn_self ) { /* check if the target is an attribute. */ - if ( val == NULL ) - continue; + if ( val == NULL ) continue; + /* target is attribute, check if the attribute value * is the op dn. */ @@ -918,7 +1038,6 @@ dn_match_cleanup:; } if ( b->a_group_pat.bv_len ) { - char buf[ACL_BUF_SIZE]; struct berval bv; struct berval ndn = { 0, NULL }; int rc; @@ -927,36 +1046,49 @@ dn_match_cleanup:; continue; } - bv.bv_len = sizeof(buf) - 1; - bv.bv_val = buf; - /* b->a_group is an unexpanded entry name, expanded it should be an * entry with objectclass group* and we test to see if odn is one of * the values in the attribute group */ /* see if asker is listed in dnattr */ if ( b->a_group_style == ACL_STYLE_REGEX ) { - string_expand(&bv, &b->a_group_pat, e->e_ndn, matches); - if ( dnNormalize2(NULL, &bv, &ndn) != LDAP_SUCCESS ) { + char buf[ACL_BUF_SIZE]; + bv.bv_len = sizeof(buf) - 1; + bv.bv_val = buf; + + string_expand( &bv, &b->a_group_pat, e->e_ndn, matches ); + if ( dnNormalize( 0, NULL, NULL, &bv, &ndn, op->o_tmpmemctx ) != LDAP_SUCCESS ) { /* did not expand to a valid dn */ continue; } + bv = ndn; + } else { bv = b->a_group_pat; } - rc = backend_group(be, conn, op, e, &bv, &op->o_ndn, - b->a_group_oc, b->a_group_at); - if ( ndn.bv_val ) - free( ndn.bv_val ); + rc = backend_group( op, e, &bv, &op->o_ndn, + b->a_group_oc, b->a_group_at ); + + if ( ndn.bv_val ) free( ndn.bv_val ); + if ( rc != 0 ) { continue; } } if ( b->a_set_pat.bv_len != 0 ) { - if (aci_match_set( &b->a_set_pat, be, e, conn, op, 0 ) == 0) { + struct berval bv; + char buf[ACL_BUF_SIZE]; + if( b->a_set_style == ACL_STYLE_REGEX ){ + bv.bv_len = sizeof(buf) - 1; + bv.bv_val = buf; + string_expand( &bv, &b->a_set_pat, e->e_ndn, matches ); + }else{ + bv = b->a_set_pat; + } + if (aci_match_set( &bv, op, e, 0 ) == 0) { continue; } } @@ -965,7 +1097,7 @@ dn_match_cleanup:; #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, "acl_mask: conn %lu check a_authz.sai_ssf: ACL %u > OP %u\n", - conn->c_connid, b->a_authz.sai_ssf, op->o_ssf ); + op->o_connid, b->a_authz.sai_ssf, op->o_ssf ); #else Debug( LDAP_DEBUG_ACL, "<= check a_authz.sai_ssf: ACL %u > OP %u\n", b->a_authz.sai_ssf, op->o_ssf, 0 ); @@ -980,7 +1112,7 @@ dn_match_cleanup:; LDAP_LOG( ACL, DETAIL1, "acl_mask: conn %lu check a_authz.sai_transport_ssf: " "ACL %u > OP %u\n", - conn->c_connid, b->a_authz.sai_transport_ssf, + op->o_connid, b->a_authz.sai_transport_ssf, op->o_transport_ssf ); #else Debug( LDAP_DEBUG_ACL, @@ -997,7 +1129,7 @@ dn_match_cleanup:; LDAP_LOG( ACL, DETAIL1, "acl_mask: conn %lu check a_authz.sai_tls_ssf: ACL %u > " "OP %u\n", - conn->c_connid, b->a_authz.sai_tls_ssf, op->o_tls_ssf ); + op->o_connid, b->a_authz.sai_tls_ssf, op->o_tls_ssf ); #else Debug( LDAP_DEBUG_ACL, "<= check a_authz.sai_tls_ssf: ACL %u > OP %u\n", @@ -1013,7 +1145,7 @@ dn_match_cleanup:; LDAP_LOG( ACL, DETAIL1, "acl_mask: conn %lu check a_authz.sai_sasl_ssf: " "ACL %u > OP %u\n", - conn->c_connid, b->a_authz.sai_sasl_ssf, op->o_sasl_ssf ); + op->o_connid, b->a_authz.sai_sasl_ssf, op->o_sasl_ssf ); #else Debug( LDAP_DEBUG_ACL, "<= check a_authz.sai_sasl_ssf: ACL %u > OP %u\n", @@ -1028,6 +1160,9 @@ dn_match_cleanup:; if ( b->a_aci_at != NULL ) { Attribute *at; slap_access_t grant, deny, tgrant, tdeny; + struct berval parent_ndn, old_parent_ndn; + BerVarray bvals = NULL; + int ret,stop; /* this case works different from the others above. * since aci's themselves give permissions, we need @@ -1045,33 +1180,90 @@ dn_match_cleanup:; if ( ! ACL_GRANT( b->a_access_mask, *mask ) ) { continue; } - - /* get the aci attribute */ - at = attr_find( e->e_attrs, b->a_aci_at ); - if ( at == NULL ) { - continue; - } - - ACL_RECORD_VALUE_STATE; - /* start out with nothing granted, nothing denied */ ACL_INIT(tgrant); ACL_INIT(tdeny); - /* the aci is an multi-valued attribute. The - * rights are determined by OR'ing the individual - * rights given by the acis. + /* get the aci attribute */ + at = attr_find( e->e_attrs, b->a_aci_at ); + if ( at != NULL ) { + ACL_RECORD_VALUE_STATE; + /* the aci is an multi-valued attribute. The + * rights are determined by OR'ing the individual + * rights given by the acis. + */ + for ( i = 0; at->a_vals[i].bv_val != NULL; i++ ) { + if (aci_mask( op, + e, desc, val, + &at->a_nvals[i], + matches, &grant, &deny, &aci_bv_entry ) != 0) + { + tgrant |= grant; + tdeny |= deny; + } + } + Debug(LDAP_DEBUG_ACL, "<= aci_mask grant %s deny %s\n", + accessmask2str(tgrant,accessmaskbuf), + accessmask2str(tdeny, accessmaskbuf1), 0); + + } + /* If the entry level aci didn't contain anything valid for the + * current operation, climb up the tree and evaluate the + * acis with scope set to subtree */ - for ( i = 0; at->a_vals[i].bv_val != NULL; i++ ) { - if (aci_mask( be, conn, op, - e, desc, val, &at->a_vals[i], - matches, &grant, &deny ) != 0) - { - tgrant |= grant; - tdeny |= deny; + if( (tgrant == ACL_PRIV_NONE) && (tdeny == ACL_PRIV_NONE) ){ + dnParent(&(e->e_nname), &parent_ndn); + while ( parent_ndn.bv_val != old_parent_ndn.bv_val ){ + old_parent_ndn = parent_ndn; + Debug(LDAP_DEBUG_ACL, "checking ACI of %s\n", parent_ndn.bv_val, 0, 0); + ret=backend_attribute(op, NULL, &parent_ndn, b->a_aci_at, &bvals); + switch(ret){ + case LDAP_SUCCESS : + if(bvals){ + for( i = 0; bvals[i].bv_val != NULL; i++){ + ACL_RECORD_VALUE_STATE; + if (aci_mask(op, e, desc, val, &bvals[i], matches, + &grant, &deny, &aci_bv_children) != 0) { + tgrant |= grant; + tdeny |= deny; + /* evaluation stops as soon as either a "deny" or a + * "grant" directive matches. + */ + if( (tgrant != ACL_PRIV_NONE) || (tdeny != ACL_PRIV_NONE) ){ + stop=1; + } + } + Debug(LDAP_DEBUG_ACL, "<= aci_mask grant %s deny %s\n", + accessmask2str(tgrant,accessmaskbuf), + accessmask2str(tdeny, accessmaskbuf1), 0); + } + } + stop=0; + break; + case LDAP_NO_SUCH_ATTRIBUTE: + /* just go on if the aci-Attribute is not present in + * the current entry + */ + Debug(LDAP_DEBUG_ACL, "no such attribute\n", 0, 0, 0); + stop=0; + break; + case LDAP_NO_SUCH_OBJECT: + /* We have reached the base object */ + Debug(LDAP_DEBUG_ACL, "no such object\n", 0, 0, 0); + stop=1; + break; + default: + stop=1; + break; + } + if(stop){ + break; + } + dnParent(&old_parent_ndn, &parent_ndn); } } + /* remove anything that the ACL clause does not allow */ tgrant &= b->a_access_mask & ACL_PRIV_MASK; tdeny &= ACL_PRIV_MASK; @@ -1146,7 +1338,7 @@ dn_match_cleanup:; #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, "acl_mask: conn %lu [%d] mask: %s\n", - conn->c_connid, i, accessmask2str( *mask, accessmaskbuf) ); + op->o_connid, i, accessmask2str( *mask, accessmaskbuf) ); #else Debug( LDAP_DEBUG_ACL, "<= acl_mask: [%d] mask: %s\n", @@ -1170,7 +1362,7 @@ dn_match_cleanup:; #ifdef NEW_LOGGING LDAP_LOG( ACL, RESULTS, "acl_mask: conn %lu no more clauses, returning %d (stop)\n", - conn->c_connid, accessmask2str( *mask, accessmaskbuf) , 0 ); + op->o_connid, accessmask2str( *mask, accessmaskbuf) , 0 ); #else Debug( LDAP_DEBUG_ACL, "<= acl_mask: no more clauses, returning %s (stop)\n", @@ -1188,23 +1380,22 @@ dn_match_cleanup:; int acl_check_modlist( - Backend *be, - Connection *conn, - Operation *op, - Entry *e, - Modifications *mlist + Operation *op, + Entry *e, + Modifications *mlist ) { struct berval *bv; + AccessControlState state = ACL_STATE_INIT; - assert( be != NULL ); + assert( op->o_bd != NULL ); /* short circuit root database access */ - if ( be_isroot( be, &op->o_ndn ) ) { + if ( be_isroot( op->o_bd, &op->o_ndn ) ) { #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, "acl_check_modlist: conn %lu access granted to root user\n", - conn->c_connid, 0, 0 ); + op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ACL, "<= acl_access_allowed: granted to database root\n", @@ -1214,25 +1405,25 @@ acl_check_modlist( } /* use backend default access if no backend acls */ - if( be != NULL && be->be_acl == NULL ) { + if( op->o_bd != NULL && op->o_bd->be_acl == NULL ) { #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, "acl_check_modlist: backend default %s access %s to \"%s\"\n", access2str( ACL_WRITE ), - be->be_dfltaccess >= ACL_WRITE ? "granted" : "denied", + op->o_bd->be_dfltaccess >= ACL_WRITE ? "granted" : "denied", op->o_dn.bv_val ); #else Debug( LDAP_DEBUG_ACL, "=> access_allowed: backend default %s access %s to \"%s\"\n", access2str( ACL_WRITE ), - be->be_dfltaccess >= ACL_WRITE ? "granted" : "denied", op->o_dn.bv_val ); + op->o_bd->be_dfltaccess >= ACL_WRITE ? "granted" : "denied", op->o_dn.bv_val ); #endif - return be->be_dfltaccess >= ACL_WRITE; + return op->o_bd->be_dfltaccess >= ACL_WRITE; #ifdef notdef - /* be is always non-NULL */ + /* op->o_bd is always non-NULL */ /* use global default access if no global acls */ - } else if ( be == NULL && global_acl == NULL ) { + } else if ( op->o_bd == NULL && global_acl == NULL ) { #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, "acl_check_modlist: global default %s access %s to \"%s\"\n", @@ -1250,9 +1441,6 @@ acl_check_modlist( } for ( ; mlist != NULL; mlist = mlist->sml_next ) { - static AccessControlState state_init = ACL_STATE_INIT; - AccessControlState state; - /* * no-user-modification operational attributes are ignored * by ACL_WRITE checking as any found here are not provided @@ -1262,7 +1450,7 @@ acl_check_modlist( #ifdef NEW_LOGGING LDAP_LOG( ACL, DETAIL1, "acl_check_modlist: conn %lu no-user-mod %s: modify access granted\n", - conn->c_connid, mlist->sml_desc->ad_cname.bv_val , 0 ); + op->o_connid, mlist->sml_desc->ad_cname.bv_val , 0 ); #else Debug( LDAP_DEBUG_ACL, "acl: no-user-mod %s:" " modify access granted\n", @@ -1271,8 +1459,6 @@ acl_check_modlist( continue; } - state = state_init; - switch ( mlist->sml_op ) { case LDAP_MOD_REPLACE: /* @@ -1280,7 +1466,7 @@ acl_check_modlist( * attribute and permission to add the specific attributes. * This prevents abuse from selfwriters. */ - if ( ! access_allowed( be, conn, op, e, + if ( ! access_allowed( op, e, mlist->sml_desc, NULL, ACL_WRITE, &state ) ) { return( 0 ); @@ -1293,8 +1479,11 @@ acl_check_modlist( case LDAP_MOD_ADD: assert( mlist->sml_bvalues != NULL ); - for ( bv = mlist->sml_bvalues; bv->bv_val != NULL; bv++ ) { - if ( ! access_allowed( be, conn, op, e, + for ( bv = mlist->sml_nvalues + ? mlist->sml_nvalues : mlist->sml_values; + bv->bv_val != NULL; bv++ ) + { + if ( ! access_allowed( op, e, mlist->sml_desc, bv, ACL_WRITE, &state ) ) { return( 0 ); @@ -1304,15 +1493,18 @@ acl_check_modlist( case LDAP_MOD_DELETE: if ( mlist->sml_bvalues == NULL ) { - if ( ! access_allowed( be, conn, op, e, + if ( ! access_allowed( op, e, mlist->sml_desc, NULL, ACL_WRITE, NULL ) ) { return( 0 ); } break; } - for ( bv = mlist->sml_bvalues; bv->bv_val != NULL; bv++ ) { - if ( ! access_allowed( be, conn, op, e, + for ( bv = mlist->sml_nvalues + ? mlist->sml_nvalues : mlist->sml_values; + bv->bv_val != NULL; bv++ ) + { + if ( ! access_allowed( op, e, mlist->sml_desc, bv, ACL_WRITE, &state ) ) { return( 0 ); @@ -1373,9 +1565,9 @@ aci_get_part( } BerVarray -aci_set_gather (void *cookie, struct berval *name, struct berval *attr) +aci_set_gather (SetCookie *cookie, struct berval *name, struct berval *attr) { - AciSetCookie *cp = cookie; + AciSetCookie *cp = (AciSetCookie *)cookie; BerVarray bvals = NULL; struct berval ndn; @@ -1384,14 +1576,14 @@ aci_set_gather (void *cookie, struct berval *name, struct berval *attr) * also return the syntax or some "comparison cookie". */ - if (dnNormalize2(NULL, name, &ndn) == LDAP_SUCCESS) { + if (dnNormalize(0, NULL, NULL, name, &ndn, cp->op->o_tmpmemctx) == LDAP_SUCCESS) { const char *text; AttributeDescription *desc = NULL; if (slap_bv2ad(attr, &desc, &text) == LDAP_SUCCESS) { - backend_attribute(cp->be, NULL, NULL, + backend_attribute(cp->op, cp->e, &ndn, desc, &bvals); } - free(ndn.bv_val); + sl_free(ndn.bv_val, cp->op->o_tmpmemctx); } return(bvals); } @@ -1399,11 +1591,9 @@ aci_set_gather (void *cookie, struct berval *name, struct berval *attr) static int aci_match_set ( struct berval *subj, - Backend *be, - Entry *e, - Connection *conn, - Operation *op, - int setref + Operation *op, + Entry *e, + int setref ) { struct berval set = { 0, NULL }; @@ -1411,7 +1601,7 @@ aci_match_set ( AciSetCookie cookie; if (setref == 0) { - ber_dupbv( &set, subj ); + ber_dupbv_x( &set, subj, op->o_tmpmemctx ); } else { struct berval subjdn, ndn = { 0, NULL }; struct berval setat; @@ -1431,13 +1621,13 @@ aci_match_set ( if ( setat.bv_val != NULL ) { /* - * NOTE: dnNormalize2 honors the ber_len field + * NOTE: dnNormalize honors the ber_len field * as the length of the dn to be normalized */ - if ( dnNormalize2(NULL, &subjdn, &ndn) == LDAP_SUCCESS + if ( dnNormalize(0, NULL, NULL, &subjdn, &ndn, op->o_tmpmemctx) == LDAP_SUCCESS && slap_bv2ad(&setat, &desc, &text) == LDAP_SUCCESS ) { - backend_attribute(be, NULL, NULL, e, + backend_attribute(op, e, &ndn, desc, &bvals); if ( bvals != NULL ) { if ( bvals[0].bv_val != NULL ) { @@ -1448,7 +1638,7 @@ aci_match_set ( bvals[0].bv_val = bvals[i-1].bv_val; bvals[i-1].bv_val = NULL; } - ber_bvarray_free(bvals); + ber_bvarray_free_x(bvals, op->o_tmpmemctx); } } if (ndn.bv_val) @@ -1457,13 +1647,11 @@ aci_match_set ( } if (set.bv_val != NULL) { - cookie.be = be; - cookie.e = e; - cookie.conn = conn; cookie.op = op; - rc = (slap_set_filter(aci_set_gather, &cookie, &set, + cookie.e = e; + rc = (slap_set_filter(aci_set_gather, (SetCookie *)&cookie, &set, &op->o_ndn, &e->e_nname, NULL) > 0); - ch_free(set.bv_val); + sl_free(set.bv_val, op->o_tmpmemctx); } return(rc); } @@ -1629,10 +1817,8 @@ aci_group_member ( struct berval *subj, struct berval *defgrpoc, struct berval *defgrpat, - Backend *be, - Entry *e, - Connection *conn, - Operation *op, + Operation *op, + Entry *e, regmatch_t *matches ) { @@ -1669,11 +1855,12 @@ aci_group_member ( if (grp_oc != NULL && grp_ad != NULL ) { char buf[ACL_BUF_SIZE]; struct berval bv, ndn; - bv.bv_len = sizeof( buf ); + bv.bv_len = sizeof( buf ) - 1; bv.bv_val = (char *)&buf; string_expand(&bv, &subjdn, e->e_ndn, matches); - if ( dnNormalize2(NULL, &bv, &ndn) == LDAP_SUCCESS ) { - rc = (backend_group(be, conn, op, e, &ndn, &op->o_ndn, grp_oc, grp_ad) == 0); + if ( dnNormalize(0, NULL, NULL, &bv, &ndn, op->o_tmpmemctx) == LDAP_SUCCESS ) { + rc = (backend_group(op, e, &ndn, &op->o_ndn, + grp_oc, grp_ad) == 0); free( ndn.bv_val ); } } @@ -1684,8 +1871,6 @@ done: static int aci_mask( - Backend *be, - Connection *conn, Operation *op, Entry *e, AttributeDescription *desc, @@ -1693,7 +1878,8 @@ aci_mask( struct berval *aci, regmatch_t *matches, slap_access_t *grant, - slap_access_t *deny + slap_access_t *deny, + struct berval *scope ) { struct berval bv, perms, sdn; @@ -1707,10 +1893,11 @@ aci_mask( See draft-ietf-ldapext-aci-model-04.txt section 9.1 for a full description of the format for this attribute. + Differences: "this" in the draft is "self" here, and + "self" and "public" is in the position of dnType. For now, this routine only supports scope=entry. */ - /* check that the aci has all 5 components */ if (aci_get_part(aci, 4, '#', NULL) < 0) return(0); @@ -1719,9 +1906,9 @@ aci_mask( if (aci_get_part(aci, 0, '#', &bv) < 0) return(0); - /* check that the scope is "entry" */ + /* check that the scope matches */ if (aci_get_part(aci, 1, '#', &bv) < 0 - || ber_bvstrcasecmp( &aci_bv_entry, &bv ) != 0) + || ber_bvstrcasecmp( scope, &bv ) != 0) { return(0); } @@ -1743,14 +1930,17 @@ aci_mask( if (ber_bvstrcasecmp( &aci_bv_access_id, &bv ) == 0) { struct berval ndn; - rc = 1; - if ( dnNormalize2(NULL, &sdn, &ndn) == LDAP_SUCCESS ) { - if (!dn_match( &op->o_ndn, &ndn)) - rc = 0; + rc = 0; + if ( dnNormalize(0, NULL, NULL, &sdn, &ndn, op->o_tmpmemctx) == LDAP_SUCCESS ) { + if (dn_match( &op->o_ndn, &ndn)) + rc = 1; free(ndn.bv_val); } return (rc); + } else if (ber_bvstrcasecmp( &aci_bv_public, &bv ) == 0) { + return(1); + } else if (ber_bvstrcasecmp( &aci_bv_self, &bv ) == 0) { if (dn_match(&op->o_ndn, &e->e_nname)) return(1); @@ -1774,7 +1964,12 @@ aci_mask( at != NULL; at = attrs_find( at->a_next, ad ) ) { - if (value_find( ad, at->a_vals, &bv) == 0 ) { + if (value_find_ex( ad, + SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH | + SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH, + at->a_nvals, + &bv, op->o_tmpmemctx) == 0 ) + { rc = 1; break; } @@ -1784,19 +1979,19 @@ aci_mask( } else if (ber_bvstrcasecmp( &aci_bv_group, &bv ) == 0) { - if (aci_group_member(&sdn, &aci_bv_group_class, &aci_bv_group_attr, be, e, conn, op, matches)) + if (aci_group_member(&sdn, &aci_bv_group_class, &aci_bv_group_attr, op, e, matches)) return(1); } else if (ber_bvstrcasecmp( &aci_bv_role, &bv ) == 0) { - if (aci_group_member(&sdn, &aci_bv_role_class, &aci_bv_role_attr, be, e, conn, op, matches)) + if (aci_group_member(&sdn, &aci_bv_role_class, &aci_bv_role_attr, op, e, matches)) return(1); } else if (ber_bvstrcasecmp( &aci_bv_set, &bv ) == 0) { - if (aci_match_set(&sdn, be, e, conn, op, 0)) + if (aci_match_set(&sdn, op, e, 0)) return(1); } else if (ber_bvstrcasecmp( &aci_bv_set_ref, &bv ) == 0) { - if (aci_match_set(&sdn, be, e, conn, op, 1)) + if (aci_match_set(&sdn, op, e, 1)) return(1); } @@ -1911,7 +2106,7 @@ regex_matches( struct berval bv; int rc; - bv.bv_len = sizeof(newbuf); + bv.bv_len = sizeof(newbuf) - 1; bv.bv_val = newbuf; if(str == NULL) str = "";