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-rw-r--r--crypto/heimdal/lib/kadm5/context_s.c221
1 files changed, 221 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/kadm5/context_s.c b/crypto/heimdal/lib/kadm5/context_s.c
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+/*
+ * Copyright (c) 1997 - 2000 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 "kadm5_locl.h"
+
+RCSID("$Id: context_s.c,v 1.13 2000/01/06 21:40:08 assar Exp $");
+
+static void
+set_funcs(kadm5_server_context *c)
+{
+#define SET(C, F) (C)->funcs.F = kadm5_s_ ## F
+ SET(c, chpass_principal);
+ SET(c, chpass_principal);
+ SET(c, create_principal);
+ SET(c, delete_principal);
+ SET(c, destroy);
+ SET(c, flush);
+ SET(c, get_principal);
+ SET(c, get_principals);
+ SET(c, get_privs);
+ SET(c, modify_principal);
+ SET(c, randkey_principal);
+ SET(c, rename_principal);
+}
+
+struct database_spec {
+ char *dbpath;
+ char *logfile;
+ char *mkeyfile;
+ char *aclfile;
+};
+
+static void
+set_field(krb5_context context, krb5_config_binding *binding,
+ const char *dbname, const char *name, const char *ext,
+ char **variable)
+{
+ const char *p;
+ p = krb5_config_get_string(context, binding, name, NULL);
+ if(p)
+ *variable = strdup(p);
+ else {
+ p = strrchr(dbname, '.');
+ if(p == NULL)
+ asprintf(variable, "%s.%s", dbname, ext);
+ else
+ asprintf(variable, "%.*s.%s", (int)(p - dbname), dbname, ext);
+ }
+}
+
+static void
+set_socket_name(const char *dbname, struct sockaddr_un *un)
+{
+ const char *p;
+ memset(un, 0, sizeof(*un));
+ un->sun_family = AF_UNIX;
+ p = strrchr(dbname, '.');
+ if(p == NULL)
+ snprintf(un->sun_path, sizeof(un->sun_path), "%s.signal",
+ dbname);
+ else
+ snprintf(un->sun_path, sizeof(un->sun_path), "%.*s.signal",
+ (int)(p - dbname), dbname);
+}
+
+static void
+set_config(kadm5_server_context *ctx,
+ krb5_config_binding *binding)
+{
+ const char *p;
+ if(ctx->config.dbname == NULL) {
+ p = krb5_config_get_string(ctx->context, binding, "dbname", NULL);
+ if(p)
+ ctx->config.dbname = strdup(p);
+ else
+ ctx->config.dbname = strdup(HDB_DEFAULT_DB);
+ }
+ if(ctx->log_context.log_file == NULL)
+ set_field(ctx->context, binding, ctx->config.dbname,
+ "log_file", "log", &ctx->log_context.log_file);
+ set_socket_name(ctx->config.dbname, &ctx->log_context.socket_name);
+ if(ctx->config.acl_file == NULL)
+ set_field(ctx->context, binding, ctx->config.dbname,
+ "acl_file", "acl", &ctx->config.acl_file);
+ /* XXX calling a file a `stash file' isn't very clever */
+ if(ctx->config.stash_file == NULL)
+ set_field(ctx->context, binding, ctx->config.dbname,
+ "mkey_file", "mkey", &ctx->config.stash_file);
+}
+
+static kadm5_ret_t
+find_db_spec(kadm5_server_context *ctx)
+{
+ krb5_config_binding *top_binding = NULL;
+ krb5_config_binding *db_binding;
+ krb5_config_binding *default_binding = NULL;
+ krb5_context context = ctx->context;
+
+ while((db_binding = (krb5_config_binding *)
+ krb5_config_get_next(context,
+ NULL, &top_binding,
+ krb5_config_list,
+ "kdc",
+ "database",
+ NULL))) {
+ const char *p;
+ p = krb5_config_get_string(context, db_binding, "realm", NULL);
+ if(p == NULL) {
+ if(default_binding) {
+ krb5_warnx(context, "WARNING: more than one realm-less "
+ "database specification");
+ krb5_warnx(context, "WARNING: using the first encountered");
+ } else
+ default_binding = db_binding;
+ continue;
+ }
+ if(strcmp(ctx->config.realm, p) != 0)
+ continue;
+
+ set_config(ctx, db_binding);
+ return 0;
+ }
+ if(default_binding)
+ set_config(ctx, default_binding);
+ else {
+ ctx->config.dbname = strdup(HDB_DEFAULT_DB);
+ ctx->config.acl_file = HDB_DB_DIR "/kadmind.acl";
+ ctx->config.stash_file = HDB_DB_DIR "/m-key";
+ ctx->log_context.log_file = HDB_DB_DIR "/log";
+ memset(&ctx->log_context.socket_name, 0,
+ sizeof(ctx->log_context.socket_name));
+ ctx->log_context.socket_name.sun_family = AF_UNIX;
+ strlcpy(ctx->log_context.socket_name.sun_path,
+ KADM5_LOG_SIGNAL,
+ sizeof(ctx->log_context.socket_name.sun_path));
+ }
+ return 0;
+}
+
+kadm5_ret_t
+_kadm5_s_init_context(kadm5_server_context **ctx,
+ kadm5_config_params *params,
+ krb5_context context)
+{
+ *ctx = malloc(sizeof(**ctx));
+ if(*ctx == NULL)
+ return ENOMEM;
+ memset(*ctx, 0, sizeof(**ctx));
+ set_funcs(*ctx);
+ (*ctx)->context = context;
+ krb5_add_et_list (context, initialize_kadm5_error_table_r);
+#define is_set(M) (params && params->mask & KADM5_CONFIG_ ## M)
+ if(is_set(REALM))
+ (*ctx)->config.realm = strdup(params->realm);
+ else
+ krb5_get_default_realm(context, &(*ctx)->config.realm);
+ if(is_set(DBNAME))
+ (*ctx)->config.dbname = strdup(params->dbname);
+ if(is_set(ACL_FILE))
+ (*ctx)->config.acl_file = strdup(params->acl_file);
+ if(is_set(STASH_FILE))
+ (*ctx)->config.stash_file = strdup(params->stash_file);
+
+ find_db_spec(*ctx);
+
+ /* PROFILE can't be specified for now */
+ /* KADMIND_PORT is supposed to be used on the server also,
+ but this doesn't make sense */
+ /* ADMIN_SERVER is client only */
+ /* ADNAME is not used at all (as far as I can tell) */
+ /* ADB_LOCKFILE ditto */
+ /* DICT_FILE */
+ /* ADMIN_KEYTAB */
+ /* MKEY_FROM_KEYBOARD is not supported */
+ /* MKEY_NAME neither */
+ /* ENCTYPE */
+ /* MAX_LIFE */
+ /* MAX_RLIFE */
+ /* EXPIRATION */
+ /* FLAGS */
+ /* ENCTYPES */
+
+ return 0;
+}
+
+HDB *
+_kadm5_s_get_db(void *server_handle)
+{
+ kadm5_server_context *context = server_handle;
+ return context->db;
+}
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