diff options
Diffstat (limited to 'crypto/heimdal/lib/kadm5/context_s.c')
-rw-r--r-- | crypto/heimdal/lib/kadm5/context_s.c | 221 |
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 new file mode 100644 index 0000000..fc52576 --- /dev/null +++ b/crypto/heimdal/lib/kadm5/context_s.c @@ -0,0 +1,221 @@ +/* + * 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; +} |