]> git.sur5r.net Git - openldap/commitdiff
forward porting of composite rdn handling from back-ldbm
authorPierangelo Masarati <ando@openldap.org>
Tue, 2 Oct 2001 10:39:04 +0000 (10:39 +0000)
committerPierangelo Masarati <ando@openldap.org>
Tue, 2 Oct 2001 10:39:04 +0000 (10:39 +0000)
servers/slapd/back-bdb/modrdn.c

index 54d6cd0e0522cf382b15871c37a5cb979f718f98..a3216c6dd3c9cc38dc276de5df69e5e5da387fa3 100644 (file)
@@ -39,11 +39,12 @@ bdb_modrdn(
        struct bdb_op_info opinfo;
 
        ID                      id;
-       char            *new_rdn_val = NULL;    /* Val of new rdn */
-       char            *new_rdn_type = NULL;   /* Type of new rdn */
-       char            *old_rdn = NULL;                /* Old rdn's attr type & val */
-       char            *old_rdn_type = NULL;   /* Type of old rdn attr. */
-       char            *old_rdn_val = NULL;    /* Old rdn attribute value */
+       char            **new_rdn_vals = NULL;  /* Vals of new rdn */
+       char            **new_rdn_types = NULL; /* Types of new rdn */
+       int             a_cnt, d_cnt;
+       char            *old_rdn = NULL;        /* Old rdn's attr type & val */
+       char            **old_rdn_types = NULL; /* Types of old rdn attr. */
+       char            **old_rdn_vals = NULL;  /* Old rdn attribute values */
 
        Entry           *np = NULL;                             /* newSuperior Entry */
        char            *np_dn = NULL;                  /* newSuperior dn */
@@ -51,11 +52,7 @@ bdb_modrdn(
        char            *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
 
        /* Used to interface with bdb_modify_internal() */
-       struct berval   add_bv;                         /* Stores new rdn att */
-       struct berval   *add_bvals[2];          /* Stores new rdn att */
-       struct berval   del_bv;                         /* Stores old rdn att */
-       struct berval   *del_bvals[2];          /* Stores old rdn att */
-       Modifications   mod[2];                         /* Used to delete old rdn */
+       Modifications   *mod = NULL;            /* Used to delete old rdn */
 
        int             manageDSAit = get_manageDSAit( op );
 
@@ -332,33 +329,21 @@ retry:    /* transaction retry */
         * need to add that to our new entry
         */
 
-       new_rdn_type = rdn_attr_type( newrdn );
-       if ( new_rdn_type == NULL ) {
+       if ( rdn_attrs( newrdn, &new_rdn_types, &new_rdn_vals ) ) {
                Debug( LDAP_DEBUG_TRACE,
-                       "bdb_modrdn: can't figure out type of newrdn\n",
-                       0, 0, 0 );
-               rc = LDAP_OPERATIONS_ERROR;
-               text = "unknown type used in RDN";
-               goto return_results;            
-       }
-
-       new_rdn_val = rdn_attr_value( newrdn );
-       if ( new_rdn_val == NULL ) {
-               Debug( LDAP_DEBUG_TRACE,
-                       "bdb_modrdn: could not figure out val of newrdn\n",
-                       0, 0, 0 );
+                       "bdb_modrdn: can't figure out type(s)/values(s) "
+                       "of newrdn\n", 0, 0, 0 );
                rc = LDAP_OPERATIONS_ERROR;
-               text = "could not parse RDN value";
+               text = "unknown type(s) used in RDN";
                goto return_results;            
        }
 
        Debug( LDAP_DEBUG_TRACE,
                "bdb_modrdn: new_rdn_val=\"%s\", new_rdn_type=\"%s\"\n",
-               new_rdn_val, new_rdn_type, 0 );
+               new_rdn_vals[ 0 ], new_rdn_types[ 0 ], 0 );
 
        /* Retrieve the old rdn from the entry's dn */
-
-       if ( (old_rdn = dn_rdn( be, dn )) == NULL ) {
+       if ( ( old_rdn = dn_rdn( be, dn ) ) == NULL ) {
                Debug( LDAP_DEBUG_TRACE,
                        "bdb_modrdn: can't figure out old_rdn from dn\n",
                        0, 0, 0 );
@@ -367,77 +352,118 @@ retry:   /* transaction retry */
                goto return_results;            
        }
 
-       if ( (old_rdn_type = rdn_attr_type( old_rdn )) == NULL ) {
+       if ( rdn_attrs( old_rdn, &old_rdn_types, &old_rdn_vals ) ) {
                Debug( LDAP_DEBUG_TRACE,
-                       "bdb_back_modrdn: can't figure out the old_rdn type\n",
-                       0, 0, 0 );
+                       "bdb_back_modrdn: can't figure out the old_rdn "
+                       "type(s)/value(s)\n", 0, 0, 0 );
                rc = LDAP_OTHER;
                text = "cannot parse RDN from old DN";
                goto return_results;            
        }
        
-       if ( strcasecmp( old_rdn_type, new_rdn_type ) != 0 ) {
+       if ( newSuperior == NULL
+               && charray_strcasecmp( ( const char ** )old_rdn_types, 
+                               ( const char ** )new_rdn_types ) != 0 ) {
                /* Not a big deal but we may say something */
                Debug( LDAP_DEBUG_TRACE,
-                       "bdb_modrdn: old_rdn_type=%s, new_rdn_type=%s!\n",
-                       old_rdn_type, new_rdn_type, 0 );
+                       "bdb_modrdn: old_rdn_type(s)=%s, new_rdn_type(s)=%s "
+                       "do not match\n", 
+                       old_rdn_types[ 0 ], new_rdn_types[ 0 ], 0 );
        }               
 
-       /* Add new attribute value to the entry */
-       add_bvals[0] = &add_bv;         /* Array of bervals */
-       add_bvals[1] = NULL;
-
-       add_bv.bv_val = new_rdn_val;
-       add_bv.bv_len = strlen(new_rdn_val);
-               
-       mod[0].sml_desc = NULL;
-       rc = slap_str2ad( new_rdn_type, &mod[0].sml_desc, &text );
+       /* Add new attribute values to the entry */
+       for ( a_cnt = 0; new_rdn_types[ a_cnt ]; a_cnt++ ) {
+               int                     rc;
+               AttributeDescription    *desc = NULL;
+               Modifications           *mod_tmp;
+               struct berval           val;
 
-       if( rc != LDAP_SUCCESS ) {
-               Debug( LDAP_DEBUG_TRACE,
-                       "bdb_modrdn: %s: %s (new)\n",
-                       text, new_rdn_type, 0 );
-               goto return_results;            
-       }
-       mod[0].sml_bvalues = add_bvals;
-       mod[0].sml_op = SLAP_MOD_SOFTADD;
-       mod[0].sml_next = NULL;
+               rc = slap_str2ad( new_rdn_types[ a_cnt ], &desc, &text );
 
-       /* Remove old rdn value if required */
-
-       if (deleteoldrdn) {
-               /* Get value of old rdn */
-               old_rdn_val = rdn_attr_value( old_rdn );
-               if ( old_rdn_val == NULL) {
+               if ( rc != LDAP_SUCCESS ) {
                        Debug( LDAP_DEBUG_TRACE,
-                               "bdb_modrdn: can't figure out old_rdn_val from old_rdn\n",
-                               0, 0, 0 );
-                       rc = LDAP_OTHER;
-                       text = "could not parse value from old RDN";
+                               "bdb_modrdn: %s: %s (new)\n",
+                               text, new_rdn_types[ a_cnt ], 0 );
                        goto return_results;            
                }
 
-               del_bvals[0] = &del_bv;         /* Array of bervals */
-               del_bvals[1] = NULL;
-
-               /* Remove old value of rdn as an attribute. */
-               del_bv.bv_val = old_rdn_val;
-               del_bv.bv_len = strlen(old_rdn_val);
+               /* ACL check of newly added attrs */
+               val.bv_val = new_rdn_vals[ a_cnt ];
+               val.bv_len = strlen( val.bv_val );
+               if ( !access_allowed( be, conn, op, p, 
+                               desc, &val, ACL_WRITE ) ) {
+                       Debug( LDAP_DEBUG_TRACE,
+                               "bdb_modrdn: access to attr \"%s\" "
+                               "(new) not allowed\n", 
+                               new_rdn_types[ a_cnt ], 0, 0 );
+                       ad_free( desc, 1);
+                       rc = LDAP_INSUFFICIENT_ACCESS;
+                       goto return_results;
+               }
 
-               mod[1].sml_desc = NULL;
-               rc = slap_str2ad( old_rdn_type, &mod[1].sml_desc, &text );
+               /* Apply modification */
+               mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications ) );
+               mod_tmp->sml_desc = desc;
+               mod_tmp->sml_bvalues = ( struct berval ** )ch_malloc( 2*sizeof( struct berval * ) );
+               mod_tmp->sml_bvalues[ 0 ] = ber_bvstrdup( new_rdn_vals[ a_cnt ] );
+               mod_tmp->sml_bvalues[ 1 ] = NULL;
+               mod_tmp->sml_op = SLAP_MOD_SOFTADD;
+               mod_tmp->sml_next = mod;
+               mod = mod_tmp;
+       }
 
-               if( rc != LDAP_SUCCESS ) {
+       /* Remove old rdn value if required */
+       if ( deleteoldrdn ) {
+               /* Get value of old rdn */
+               if ( old_rdn_vals == NULL) {
                        Debug( LDAP_DEBUG_TRACE,
-                               "bdb_modrdn: %s: %s (old)\n",
-                               text, old_rdn_type, 0 );
+                               "bdb_modrdn: can't figure out old RDN value(s) "
+                               "from old RDN\n", 0, 0, 0 );
+                       rc = LDAP_OTHER;
+                       text = "could not parse value(s) from old RDN";
                        goto return_results;            
                }
 
-               mod[0].sml_next = &mod[1];
-               mod[1].sml_bvalues = del_bvals;
-               mod[1].sml_op = LDAP_MOD_DELETE;
-               mod[1].sml_next = NULL;
+               for ( d_cnt = 0; old_rdn_types[ d_cnt ]; d_cnt++ ) {
+                       int                     rc;
+                       AttributeDescription    *desc = NULL;
+                       Modifications           *mod_tmp;
+                       struct berval           val;
+
+                       rc = slap_str2ad( old_rdn_types[ d_cnt ],
+                                       &desc, &text );
+
+                       if ( rc != LDAP_SUCCESS ) {
+                               Debug( LDAP_DEBUG_TRACE,
+                                       "bdb_modrdn: %s: %s (old)\n",
+                                       text, old_rdn_types[ d_cnt ], 0 );
+                               goto return_results;            
+                       }
+
+                       /* ACL check of newly added attrs */
+                       val.bv_val = new_rdn_vals[ d_cnt ];
+                       val.bv_len = strlen( val.bv_val );
+                       if ( !access_allowed( be, conn, op, p, 
+                                       desc, &val, ACL_WRITE ) ) {
+                               Debug( LDAP_DEBUG_TRACE,
+                                       "bdb_modrdn: access to attr \"%s\" "
+                                       "(old) not allowed\n", 
+                                       old_rdn_types[ d_cnt ], 0, 0 );
+                               ad_free( desc, 1);
+                               rc = LDAP_INSUFFICIENT_ACCESS;
+                               goto return_results;
+                       }
+
+                       /* Apply modification */
+                       mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications ) );
+                       mod_tmp->sml_desc = desc;
+                       mod_tmp->sml_bvalues = ( struct berval ** )ch_malloc( 2*sizeof( struct berval * ) );
+                       mod_tmp->sml_bvalues[ 0 ] = ber_bvstrdup( old_rdn_vals[ d_cnt ] );
+                       mod_tmp->sml_bvalues[ 1 ] = NULL;
+                       mod_tmp->sml_op = LDAP_MOD_DELETE;
+                       mod_tmp->sml_next = mod;
+                       mod = mod_tmp;
+               }
        }
        
        /* delete old one */
@@ -539,12 +565,12 @@ done:
        if( p_ndn != NULL ) free( p_ndn );
 
        /* LDAP v2 supporting correct attribute handling. */
-       if( new_rdn_type != NULL ) free(new_rdn_type);
-       if( new_rdn_val != NULL ) free(new_rdn_val);
+       if( new_rdn_types != NULL ) charray_free(new_rdn_types);
+       if( new_rdn_vals != NULL ) charray_free(new_rdn_vals);
        if( old_rdn != NULL ) free(old_rdn);
-       if( old_rdn_type != NULL ) free(old_rdn_type);
-       if( old_rdn_val != NULL ) free(old_rdn_val);
-
+       if( old_rdn_types != NULL ) charray_free(old_rdn_types);
+       if( old_rdn_vals != NULL ) charray_free(old_rdn_vals);
+       if( mod != NULL ) slap_mods_free(mod);
 
        /* LDAP v3 Support */
        if ( np_dn != NULL ) free( np_dn );