86d922a0fc
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2243 ec53bebd-3082-4978-b11e-865c3cabbd6b
137 lines
2.7 KiB
C
137 lines
2.7 KiB
C
#include "hdb_locl.h"
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RCSID("$Id$");
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#ifdef HAVE_DB_H
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krb5_error_code
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DB_close(krb5_context context, HDB *db)
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{
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DB *d = (DB*)db->db;
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d->close(d);
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free(db);
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return 0;
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}
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static krb5_error_code
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DB_op(krb5_context context, HDB *db, hdb_entry *entry, int op)
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{
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DB *d = (DB*)db->db;
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DBT key, value;
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krb5_data data;
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int err;
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hdb_principal2key(context, entry->principal, &data);
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key.data = data.data;
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key.size = data.length;
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switch(op){
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case 0:
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err = d->get(d, &key, &value, 0);
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break;
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case 1:
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hdb_entry2value(context, entry, &data);
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value.data = data.data;
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value.size = data.length;
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err = d->put(d, &key, &value, 0);
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krb5_data_free(&data);
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break;
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case 2:
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err = d->del(d, &key, 0);
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break;
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}
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data.data = key.data;
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data.length = key.size;
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krb5_data_free(&data);
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if(err < 0)
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return errno;
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if(err == 1)
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return KRB5_HDB_NOENTRY;
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if(op == 0){
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data.data = value.data;
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data.length = value.size;
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hdb_value2entry(context, &data, entry);
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}
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return 0;
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}
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static krb5_error_code
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DB_fetch(krb5_context context, HDB *db, hdb_entry *entry)
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{
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return DB_op(context, db, entry, 0);
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}
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static krb5_error_code
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DB_store(krb5_context context, HDB *db, hdb_entry *entry)
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{
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return DB_op(context, db, entry, 1);
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}
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static krb5_error_code
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DB_delete(krb5_context context, HDB *db, hdb_entry *entry)
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{
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return DB_op(context, db, entry, 2);
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}
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static krb5_error_code
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DB_seq(krb5_context context, HDB *db, hdb_entry *entry, int flag)
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{
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DB *d = (DB*)db->db;
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DBT key, value;
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krb5_data data;
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int err;
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err = d->seq(d, &key, &value, flag);
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if(err == -1)
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return errno;
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if(err == 1)
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return KRB5_HDB_NOENTRY;
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data.data = key.data;
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data.length = key.size;
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hdb_key2principal(context, &data, &entry->principal);
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data.data = value.data;
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data.length = value.size;
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hdb_value2entry(context, &data, entry);
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return 0;
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}
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static krb5_error_code
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DB_firstkey(krb5_context context, HDB *db, hdb_entry *entry)
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{
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return DB_seq(context, db, entry, R_FIRST);
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}
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static krb5_error_code
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DB_nextkey(krb5_context context, HDB *db, hdb_entry *entry)
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{
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return DB_seq(context, db, entry, R_NEXT);
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}
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krb5_error_code
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hdb_db_open(krb5_context context, HDB **db,
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const char *filename, int flags, mode_t mode)
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{
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DB *d;
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char *fn = malloc(strlen(filename) + 4);
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sprintf(fn, "%s.db", filename);
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d = dbopen(fn, flags, mode, DB_BTREE, NULL);
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free(fn);
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if(d == NULL)
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return errno;
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*db = malloc(sizeof(**db));
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(*db)->db = d;
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(*db)->close = DB_close;
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(*db)->fetch = DB_fetch;
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(*db)->store = DB_store;
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(*db)->delete = DB_delete;
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(*db)->firstkey = DB_firstkey;
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(*db)->nextkey= DB_nextkey;
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return 0;
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}
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#endif
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