diff options
Diffstat (limited to 'third_party/heimdal/lib/kadm5/rename_s.c')
| -rw-r--r-- | third_party/heimdal/lib/kadm5/rename_s.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/kadm5/rename_s.c b/third_party/heimdal/lib/kadm5/rename_s.c new file mode 100644 index 0000000..9143318 --- /dev/null +++ b/third_party/heimdal/lib/kadm5/rename_s.c @@ -0,0 +1,188 @@ +/* + * Copyright (c) 1997 - 2001, 2003, 2005 - 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 "kadm5_locl.h" + +RCSID("$Id$"); + +struct rename_principal_hook_ctx { + kadm5_server_context *context; + enum kadm5_hook_stage stage; + krb5_error_code code; + krb5_const_principal source, target; +}; + +static krb5_error_code KRB5_LIB_CALL +rename_principal_hook_cb(krb5_context context, + const void *hook, + void *hookctx, + void *userctx) +{ + krb5_error_code ret; + const struct kadm5_hook_ftable *ftable = hook; + struct rename_principal_hook_ctx *ctx = userctx; + + ret = ftable->rename(context, hookctx, + ctx->stage, ctx->code, + ctx->source, ctx->target); + if (ret != 0 && ret != KRB5_PLUGIN_NO_HANDLE) + _kadm5_s_set_hook_error_message(ctx->context, ret, "rename", + hook, ctx->stage); + + /* only pre-commit plugins can abort */ + if (ret == 0 || ctx->stage == KADM5_HOOK_STAGE_POSTCOMMIT) + ret = KRB5_PLUGIN_NO_HANDLE; + + return ret; +} + +static kadm5_ret_t +rename_principal_hook(kadm5_server_context *context, + enum kadm5_hook_stage stage, + krb5_error_code code, + krb5_const_principal source, + krb5_const_principal target) +{ + krb5_error_code ret; + struct rename_principal_hook_ctx ctx; + + ctx.context = context; + ctx.stage = stage; + ctx.code = code; + ctx.source = source; + ctx.target = target; + + ret = _krb5_plugin_run_f(context->context, &kadm5_hook_plugin_data, + 0, &ctx, rename_principal_hook_cb); + if (ret == KRB5_PLUGIN_NO_HANDLE) + ret = 0; + + return ret; +} + +kadm5_ret_t +kadm5_s_rename_principal(void *server_handle, + krb5_principal source, + krb5_principal target) +{ + kadm5_server_context *context = server_handle; + kadm5_ret_t ret; + hdb_entry ent; + krb5_principal oldname; + size_t i; + + memset(&ent, 0, sizeof(ent)); + if (krb5_principal_compare(context->context, source, target)) + return KADM5_DUP; /* XXX is this right? */ + if (!context->keep_open) { + ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0); + if(ret) + return ret; + } + + ret = kadm5_log_init(context); + if (ret) + goto out; + + /* NOTE: We do not use hdb_fetch_kvno() here */ + ret = context->db->hdb_fetch_kvno(context->context, context->db, + source, + HDB_F_DECRYPT|HDB_F_GET_ANY|HDB_F_ADMIN_DATA, + 0, &ent); + if (ret) + goto out2; + oldname = ent.principal; + + ret = rename_principal_hook(context, KADM5_HOOK_STAGE_PRECOMMIT, + 0, source, target); + if (ret) + goto out3; + + ret = _kadm5_set_modifier(context, &ent); + if (ret) + goto out3; + { + /* fix salt */ + Salt salt; + krb5_salt salt2; + memset(&salt, 0, sizeof(salt)); + ret = krb5_get_pw_salt(context->context, source, &salt2); + if (ret) + goto out3; + salt.type = hdb_pw_salt; + salt.salt = salt2.saltvalue; + for(i = 0; i < ent.keys.len; i++){ + if(ent.keys.val[i].salt == NULL){ + ent.keys.val[i].salt = + malloc(sizeof(*ent.keys.val[i].salt)); + if (ent.keys.val[i].salt == NULL) + ret = krb5_enomem(context->context); + else + ret = copy_Salt(&salt, ent.keys.val[i].salt); + if (ret) + break; + } + } + krb5_free_salt(context->context, salt2); + } + if (ret) + goto out3; + + /* Borrow target */ + ent.principal = target; + ret = hdb_seal_keys(context->context, context->db, &ent); + if (ret) + goto out3; + + /* This logs the change for iprop and writes to the HDB */ + ret = kadm5_log_rename(context, source, &ent); + + (void) rename_principal_hook(context, KADM5_HOOK_STAGE_POSTCOMMIT, + ret, source, target); + + out3: + ent.principal = oldname; /* Unborrow target */ + hdb_free_entry(context->context, context->db, &ent); + + out2: + (void) kadm5_log_end(context); + out: + if (!context->keep_open) { + kadm5_ret_t ret2; + ret2 = context->db->hdb_close(context->context, context->db); + if (ret == 0 && ret2 != 0) + ret = ret2; + } + return _kadm5_error_code(ret); +} + |