diff options
Diffstat (limited to 'source4/heimdal/lib/hdb/dbinfo.c')
| -rw-r--r-- | source4/heimdal/lib/hdb/dbinfo.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/source4/heimdal/lib/hdb/dbinfo.c b/source4/heimdal/lib/hdb/dbinfo.c new file mode 100644 index 0000000000..d43e31b39a --- /dev/null +++ b/source4/heimdal/lib/hdb/dbinfo.c @@ -0,0 +1,266 @@ +/* + * Copyright (c) 2005 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "hdb_locl.h" + +RCSID("$Id: dbinfo.c 22306 2007-12-14 12:22:38Z lha $"); + +struct hdb_dbinfo { + char *label; + char *realm; + char *dbname; + char *mkey_file; + char *acl_file; + char *log_file; + const krb5_config_binding *binding; + struct hdb_dbinfo *next; +}; + +static int +get_dbinfo(krb5_context context, + const krb5_config_binding *db_binding, + const char *label, + struct hdb_dbinfo **db) +{ + struct hdb_dbinfo *di; + const char *p; + + *db = NULL; + + p = krb5_config_get_string(context, db_binding, "dbname", NULL); + if(p == NULL) + return 0; + + di = calloc(1, sizeof(*di)); + if (di == NULL) { + krb5_set_error_string(context, "malloc: out of memory"); + return ENOMEM; + } + di->label = strdup(label); + di->dbname = strdup(p); + + p = krb5_config_get_string(context, db_binding, "realm", NULL); + if(p) + di->realm = strdup(p); + p = krb5_config_get_string(context, db_binding, "mkey_file", NULL); + if(p) + di->mkey_file = strdup(p); + p = krb5_config_get_string(context, db_binding, "acl_file", NULL); + if(p) + di->acl_file = strdup(p); + p = krb5_config_get_string(context, db_binding, "log_file", NULL); + if(p) + di->log_file = strdup(p); + + di->binding = db_binding; + + *db = di; + return 0; +} + + +int +hdb_get_dbinfo(krb5_context context, struct hdb_dbinfo **dbp) +{ + const krb5_config_binding *db_binding; + struct hdb_dbinfo *di, **dt, *databases; + const char *default_dbname = HDB_DEFAULT_DB; + const char *default_mkey = HDB_DB_DIR "/m-key"; + const char *default_acl = HDB_DB_DIR "/kadmind.acl"; + const char *p; + int ret; + + *dbp = NULL; + dt = NULL; + databases = NULL; + + db_binding = krb5_config_get(context, NULL, krb5_config_list, + "kdc", + "database", + NULL); + if (db_binding) { + + ret = get_dbinfo(context, db_binding, "default", &di); + if (ret == 0 && di) { + databases = di; + dt = &di->next; + } + + for ( ; db_binding != NULL; db_binding = db_binding->next) { + + if (db_binding->type != krb5_config_list) + continue; + + ret = get_dbinfo(context, db_binding->u.list, + db_binding->name, &di); + if (ret) + krb5_err(context, 1, ret, "failed getting realm"); + + if (di == NULL) + continue; + + if (dt) + *dt = di; + else + databases = di; + dt = &di->next; + + } + } + + if(databases == NULL) { + /* if there are none specified, create one and use defaults */ + di = calloc(1, sizeof(*di)); + databases = di; + di->label = strdup("default"); + } + + for(di = databases; di; di = di->next) { + if(di->dbname == NULL) { + di->dbname = strdup(default_dbname); + if (di->mkey_file == NULL) + di->mkey_file = strdup(default_mkey); + } + if(di->mkey_file == NULL) { + p = strrchr(di->dbname, '.'); + if(p == NULL || strchr(p, '/') != NULL) + /* final pathname component does not contain a . */ + asprintf(&di->mkey_file, "%s.mkey", di->dbname); + else + /* the filename is something.else, replace .else with + .mkey */ + asprintf(&di->mkey_file, "%.*s.mkey", + (int)(p - di->dbname), di->dbname); + } + if(di->acl_file == NULL) + di->acl_file = strdup(default_acl); + } + *dbp = databases; + return 0; +} + + +struct hdb_dbinfo * +hdb_dbinfo_get_next(struct hdb_dbinfo *dbp, struct hdb_dbinfo *dbprevp) +{ + if (dbprevp == NULL) + return dbp; + else + return dbprevp->next; +} + +const char * +hdb_dbinfo_get_label(krb5_context context, struct hdb_dbinfo *dbp) +{ + return dbp->label; +} + +const char * +hdb_dbinfo_get_realm(krb5_context context, struct hdb_dbinfo *dbp) +{ + return dbp->realm; +} + +const char * +hdb_dbinfo_get_dbname(krb5_context context, struct hdb_dbinfo *dbp) +{ + return dbp->dbname; +} + +const char * +hdb_dbinfo_get_mkey_file(krb5_context context, struct hdb_dbinfo *dbp) +{ + return dbp->mkey_file; +} + +const char * +hdb_dbinfo_get_acl_file(krb5_context context, struct hdb_dbinfo *dbp) +{ + return dbp->acl_file; +} + +const char * +hdb_dbinfo_get_log_file(krb5_context context, struct hdb_dbinfo *dbp) +{ + return dbp->log_file; +} + +const krb5_config_binding * +hdb_dbinfo_get_binding(krb5_context context, struct hdb_dbinfo *dbp) +{ + return dbp->binding; +} + +void +hdb_free_dbinfo(krb5_context context, struct hdb_dbinfo **dbp) +{ + struct hdb_dbinfo *di, *ndi; + + for(di = *dbp; di != NULL; di = ndi) { + ndi = di->next; + free (di->realm); + free (di->dbname); + if (di->mkey_file) + free (di->mkey_file); + free(di); + } + *dbp = NULL; +} + +/** + * Return the directory where the hdb database resides. + * + * @param context Kerberos 5 context. + * + * @return string pointing to directory. + */ + +const char * +hdb_db_dir(krb5_context context) +{ + return HDB_DB_DIR; +} + +/** + * Return the default hdb database resides. + * + * @param context Kerberos 5 context. + * + * @return string pointing to directory. + */ + +const char * +hdb_default_db(krb5_context context) +{ + return HDB_DEFAULT_DB; +} |