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Diffstat (limited to 'crypto/heimdal/kcm/kcm_locl.h')
| -rw-r--r-- | crypto/heimdal/kcm/kcm_locl.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/crypto/heimdal/kcm/kcm_locl.h b/crypto/heimdal/kcm/kcm_locl.h new file mode 100644 index 0000000..75e55ee --- /dev/null +++ b/crypto/heimdal/kcm/kcm_locl.h @@ -0,0 +1,173 @@ +/* + * Copyright (c) 2005, PADL Software Pty Ltd. + * 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 PADL Software 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 PADL SOFTWARE 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 PADL SOFTWARE 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. + */ + +/* + * $Id: kcm_locl.h 20470 2007-04-20 10:41:11Z lha $ + */ + +#ifndef __KCM_LOCL_H__ +#define __KCM_LOCL_H__ + +#include "headers.h" + +#include <kcm.h> + +#define KCM_LOG_REQUEST(_context, _client, _opcode) do { \ + kcm_log(1, "%s request by process %d/uid %d", \ + kcm_op2string(_opcode), (_client)->pid, (_client)->uid); \ + } while (0) + +#define KCM_LOG_REQUEST_NAME(_context, _client, _opcode, _name) do { \ + kcm_log(1, "%s request for cache %s by process %d/uid %d", \ + kcm_op2string(_opcode), (_name), (_client)->pid, (_client)->uid); \ + } while (0) + +/* Cache management */ + +#define KCM_FLAGS_VALID 0x0001 +#define KCM_FLAGS_USE_KEYTAB 0x0002 +#define KCM_FLAGS_RENEWABLE 0x0004 +#define KCM_FLAGS_OWNER_IS_SYSTEM 0x0008 +#define KCM_FLAGS_USE_CACHED_KEY 0x0010 + +#define KCM_MASK_KEY_PRESENT ( KCM_FLAGS_USE_KEYTAB | \ + KCM_FLAGS_USE_CACHED_KEY ) + +struct kcm_ccache_data; +struct kcm_creds; + +typedef struct kcm_cursor { + pid_t pid; + uint32_t key; + struct kcm_creds *credp; /* pointer to next credential */ + struct kcm_cursor *next; +} kcm_cursor; + +typedef struct kcm_ccache_data { + char *name; + unsigned refcnt; + uint16_t flags; + uint16_t mode; + uid_t uid; + gid_t gid; + krb5_principal client; /* primary client principal */ + krb5_principal server; /* primary server principal (TGS if NULL) */ + struct kcm_creds { + krb5_creds cred; /* XXX would be useful for have ACLs on creds */ + struct kcm_creds *next; + } *creds; + uint32_t n_cursor; + kcm_cursor *cursors; + krb5_deltat tkt_life; + krb5_deltat renew_life; + union { + krb5_keytab keytab; + krb5_keyblock keyblock; + } key; + HEIMDAL_MUTEX mutex; + struct kcm_ccache_data *next; +} kcm_ccache_data; + +#define KCM_ASSERT_VALID(_ccache) do { \ + if (((_ccache)->flags & KCM_FLAGS_VALID) == 0) \ + krb5_abortx(context, "kcm_free_ccache_data: ccache invalid"); \ + else if ((_ccache)->refcnt == 0) \ + krb5_abortx(context, "kcm_free_ccache_data: ccache refcnt == 0"); \ + } while (0) + +typedef kcm_ccache_data *kcm_ccache; + +/* Event management */ + +typedef struct kcm_event { + int valid; + time_t fire_time; + unsigned fire_count; + time_t expire_time; + time_t backoff_time; + enum { + KCM_EVENT_NONE = 0, + KCM_EVENT_ACQUIRE_CREDS, + KCM_EVENT_RENEW_CREDS, + KCM_EVENT_DESTROY_CREDS, + KCM_EVENT_DESTROY_EMPTY_CACHE + } action; + kcm_ccache ccache; + struct kcm_event *next; +} kcm_event; + +/* wakeup interval for event queue */ +#define KCM_EVENT_QUEUE_INTERVAL 60 +#define KCM_EVENT_DEFAULT_BACKOFF_TIME 5 +#define KCM_EVENT_MAX_BACKOFF_TIME (12 * 60 * 60) + + +/* Request format is LENGTH | MAJOR | MINOR | OPERATION | request */ +/* Response format is LENGTH | STATUS | response */ + +typedef struct kcm_client { + pid_t pid; + uid_t uid; + gid_t gid; +} kcm_client; + +#define CLIENT_IS_ROOT(client) ((client)->uid == 0) + +/* Dispatch table */ +/* passed in OPERATION | ... ; returns STATUS | ... */ +typedef krb5_error_code (*kcm_method)(krb5_context, kcm_client *, kcm_operation, krb5_storage *, krb5_storage *); + +struct kcm_op { + const char *name; + kcm_method method; +}; + +#define DEFAULT_LOG_DEST "0/FILE:" LOCALSTATEDIR "/log/kcmd.log" +#define _PATH_KCM_CONF SYSCONFDIR "/kcm.conf" + +extern krb5_context kcm_context; +extern char *socket_path; +extern char *door_path; +extern size_t max_request; +extern sig_atomic_t exit_flag; +extern int name_constraints; +extern int detach_from_console; +extern int disallow_getting_krbtgt; + +#if 0 +extern const krb5_cc_ops krb5_kcmss_ops; +#endif + +#include <kcm_protos.h> + +#endif /* __KCM_LOCL_H__ */ + |
