示例#1
0
文件: store.c 项目: brianmay/heimdal
KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ret_creds_tag(krb5_storage *sp,
		   krb5_creds *creds)
{
    krb5_error_code ret;
    int8_t dummy8;
    int32_t dummy32, header;

    memset(creds, 0, sizeof(*creds));

    ret = krb5_ret_int32 (sp, &header);
    if (ret) goto cleanup;

    if (header & SC_CLIENT_PRINCIPAL) {
	ret = krb5_ret_principal (sp,  &creds->client);
	if(ret) goto cleanup;
    }
    if (header & SC_SERVER_PRINCIPAL) {
	ret = krb5_ret_principal (sp,  &creds->server);
	if(ret) goto cleanup;
    }
    if (header & SC_SESSION_KEY) {
	ret = krb5_ret_keyblock (sp,  &creds->session);
	if(ret) goto cleanup;
    }
    ret = krb5_ret_times (sp,  &creds->times);
    if(ret) goto cleanup;
    ret = krb5_ret_int8 (sp,  &dummy8);
    if(ret) goto cleanup;
    ret = krb5_ret_int32 (sp,  &dummy32);
    if(ret) goto cleanup;
    creds->flags.b = int2TicketFlags(bitswap32(dummy32));
    if (header & SC_ADDRESSES) {
	ret = krb5_ret_addrs (sp,  &creds->addresses);
	if(ret) goto cleanup;
    }
    if (header & SC_AUTHDATA) {
	ret = krb5_ret_authdata (sp,  &creds->authdata);
	if(ret) goto cleanup;
    }
    if (header & SC_TICKET) {
	ret = krb5_ret_data (sp,  &creds->ticket);
	if(ret) goto cleanup;
    }
    if (header & SC_SECOND_TICKET) {
	ret = krb5_ret_data (sp,  &creds->second_ticket);
	if(ret) goto cleanup;
    }

cleanup:
    if(ret) {
#if 0
	krb5_free_cred_contents(context, creds); /* XXX */
#endif
    }
    return ret;
}
示例#2
0
文件: store.c 项目: 2asoft/freebsd
KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ret_creds(krb5_storage *sp, krb5_creds *creds)
{
    krb5_error_code ret;
    int8_t dummy8;
    int32_t dummy32;

    memset(creds, 0, sizeof(*creds));
    ret = krb5_ret_principal (sp,  &creds->client);
    if(ret) goto cleanup;
    ret = krb5_ret_principal (sp,  &creds->server);
    if(ret) goto cleanup;
    ret = krb5_ret_keyblock (sp,  &creds->session);
    if(ret) goto cleanup;
    ret = krb5_ret_times (sp,  &creds->times);
    if(ret) goto cleanup;
    ret = krb5_ret_int8 (sp,  &dummy8);
    if(ret) goto cleanup;
    ret = krb5_ret_int32 (sp,  &dummy32);
    if(ret) goto cleanup;
    /*
     * Runtime detect the what is the higher bits of the bitfield. If
     * any of the higher bits are set in the input data, it's either a
     * new ticket flag (and this code need to be removed), or it's a
     * MIT cache (or new Heimdal cache), lets change it to our current
     * format.
     */
    {
	uint32_t mask = 0xffff0000;
	creds->flags.i = 0;
	creds->flags.b.anonymous = 1;
	if (creds->flags.i & mask)
	    mask = ~mask;
	if (dummy32 & mask)
	    dummy32 = bitswap32(dummy32);
    }
    creds->flags.i = dummy32;
    ret = krb5_ret_addrs (sp,  &creds->addresses);
    if(ret) goto cleanup;
    ret = krb5_ret_authdata (sp,  &creds->authdata);
    if(ret) goto cleanup;
    ret = krb5_ret_data (sp,  &creds->ticket);
    if(ret) goto cleanup;
    ret = krb5_ret_data (sp,  &creds->second_ticket);
cleanup:
    if(ret) {
#if 0
	krb5_free_cred_contents(context, creds); /* XXX */
#endif
    }
    return ret;
}
示例#3
0
文件: fcache.c 项目: AllardJ/Tomato
static krb5_error_code
fcc_get_first (krb5_context context,
	       krb5_ccache id,
	       krb5_cc_cursor *cursor)
{
    krb5_error_code ret;
    krb5_principal principal;

    *cursor = malloc(sizeof(struct fcc_cursor));
    if (*cursor == NULL) {
        krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    memset(*cursor, 0, sizeof(struct fcc_cursor));

    ret = init_fcc (context, id, &FCC_CURSOR(*cursor)->sp,
		    &FCC_CURSOR(*cursor)->fd);
    if (ret) {
	free(*cursor);
	*cursor = NULL;
	return ret;
    }
    ret = krb5_ret_principal (FCC_CURSOR(*cursor)->sp, &principal);
    if(ret) {
	krb5_clear_error_message(context);
	fcc_end_get(context, id, cursor);
	return ret;
    }
    krb5_free_principal (context, principal);
    fcc_unlock(context, FCC_CURSOR(*cursor)->fd);
    return 0;
}
示例#4
0
/*
 * Request:
 *	NameZ
 *	Principal
 *	
 * Response:
 *	
 */
static krb5_error_code
kcm_op_initialize(krb5_context context,
		  kcm_client *client,
		  kcm_operation opcode,
		  krb5_storage *request,
		  krb5_storage *response)
{
    kcm_ccache ccache;
    krb5_principal principal;
    krb5_error_code ret;
    char *name;
#if 0
    kcm_event event;
#endif

    KCM_LOG_REQUEST(context, client, opcode);

    ret = krb5_ret_stringz(request, &name);
    if (ret)
	return ret;

    ret = krb5_ret_principal(request, &principal);
    if (ret) {
	free(name);
	return ret;
    }

    ret = kcm_ccache_new_client(context, client, name, &ccache);
    if (ret) {
	free(name);
	krb5_free_principal(context, principal);
	return ret;
    }

    ccache->client = principal;

    free(name);

#if 0
    /*
     * Create a new credentials cache. To mitigate DoS attacks we will
     * expire it in 30 minutes unless it has some credentials added
     * to it
     */

    event.fire_time = 30 * 60;
    event.expire_time = 0;
    event.backoff_time = 0;
    event.action = KCM_EVENT_DESTROY_EMPTY_CACHE;
    event.ccache = ccache;

    ret = kcm_enqueue_event_relative(context, &event);
#endif

    kcm_release_ccache(context, ccache);

    return ret;
}
示例#5
0
文件: store.c 项目: brianmay/heimdal
KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ret_creds(krb5_storage *sp, krb5_creds *creds)
{
    krb5_error_code ret;
    int8_t dummy8;
    int32_t dummy32;

    memset(creds, 0, sizeof(*creds));
    ret = krb5_ret_principal (sp,  &creds->client);
    if(ret) goto cleanup;
    ret = krb5_ret_principal (sp,  &creds->server);
    if(ret) goto cleanup;
    ret = krb5_ret_keyblock (sp,  &creds->session);
    if(ret) goto cleanup;
    ret = krb5_ret_times (sp,  &creds->times);
    if(ret) goto cleanup;
    ret = krb5_ret_int8 (sp,  &dummy8);
    if(ret) goto cleanup;
    ret = krb5_ret_int32 (sp,  &dummy32);
    if(ret) goto cleanup;
    creds->flags.b = int2TicketFlags(bitswap32(dummy32));
    ret = krb5_ret_addrs (sp,  &creds->addresses);
    if(ret) goto cleanup;
    ret = krb5_ret_authdata (sp,  &creds->authdata);
    if(ret) goto cleanup;
    ret = krb5_ret_data (sp,  &creds->ticket);
    if(ret) goto cleanup;
    ret = krb5_ret_data (sp,  &creds->second_ticket);
cleanup:
    if(ret) {
#if 0
	krb5_free_cred_contents(context, creds); /* XXX */
#endif
    }
    return ret;
}
示例#6
0
kadm5_ret_t
kadm5_log_replay_delete (kadm5_server_context *context,
			 u_int32_t ver,
			 u_int32_t len,
			 krb5_storage *sp)
{
    krb5_error_code ret;
    hdb_entry ent;

    krb5_ret_principal (sp, &ent.principal);

    ret = context->db->hdb_remove(context->context, context->db, &ent);
    krb5_free_principal (context->context, ent.principal);
    return ret;
}
示例#7
0
static kadm5_ret_t
kadm5_log_replay_rename (kadm5_server_context *context,
			 uint32_t ver,
			 uint32_t len,
			 krb5_storage *sp)
{
    krb5_error_code ret;
    krb5_principal source;
    hdb_entry_ex target_ent;
    krb5_data value;
    off_t off;
    size_t princ_len, data_len;

    memset(&target_ent, 0, sizeof(target_ent));

    off = krb5_storage_seek(sp, 0, SEEK_CUR);
    ret = krb5_ret_principal (sp, &source);
    if (ret) {
	krb5_set_error_message(context->context, ret, "Failed to read renamed "
			       "principal in log, version: %ld", (long)ver);
	return ret;
    }
    princ_len = krb5_storage_seek(sp, 0, SEEK_CUR) - off;
    data_len = len - princ_len;
    ret = krb5_data_alloc (&value, data_len);
    if (ret) {
	krb5_free_principal (context->context, source);
	return ret;
    }
    krb5_storage_read (sp, value.data, data_len);
    ret = hdb_value2entry (context->context, &value, &target_ent.entry);
    krb5_data_free(&value);
    if (ret) {
	krb5_free_principal (context->context, source);
	return ret;
    }
    ret = context->db->hdb_store (context->context, context->db,
				  0, &target_ent);
    hdb_free_entry (context->context, &target_ent);
    if (ret) {
	krb5_free_principal (context->context, source);
	return ret;
    }
    ret = context->db->hdb_remove (context->context, context->db, source);
    krb5_free_principal (context->context, source);
    return ret;
}
示例#8
0
文件: fcache.c 项目: AllardJ/Tomato
static krb5_error_code
fcc_get_principal(krb5_context context,
		  krb5_ccache id,
		  krb5_principal *principal)
{
    krb5_error_code ret;
    int fd;
    krb5_storage *sp;

    ret = init_fcc (context, id, &sp, &fd);
    if (ret)
	return ret;
    ret = krb5_ret_principal(sp, principal);
    if (ret)
	krb5_clear_error_message(context);
    krb5_storage_free(sp);
    fcc_unlock(context, fd);
    close(fd);
    return ret;
}
示例#9
0
static kadm5_ret_t
kadm5_log_replay_delete (kadm5_server_context *context,
			 uint32_t ver,
			 uint32_t len,
			 krb5_storage *sp)
{
    krb5_error_code ret;
    krb5_principal principal;

    ret = krb5_ret_principal (sp, &principal);
    if (ret) {
	krb5_set_error_message(context->context,  ret, "Failed to read deleted "
			       "principal from log version: %ld",  (long)ver);
	return ret;
    }

    ret = context->db->hdb_remove(context->context, context->db, principal);
    krb5_free_principal (context->context, principal);
    return ret;
}
示例#10
0
kadm5_ret_t
kadm5_log_replay_rename (kadm5_server_context *context,
			 u_int32_t ver,
			 u_int32_t len,
			 krb5_storage *sp)
{
    krb5_error_code ret;
    krb5_principal source;
    hdb_entry source_ent, target_ent;
    krb5_data value;
    off_t off;
    size_t princ_len, data_len;

    off = krb5_storage_seek(sp, 0, SEEK_CUR);
    krb5_ret_principal (sp, &source);
    princ_len = krb5_storage_seek(sp, 0, SEEK_CUR) - off;
    data_len = len - princ_len;
    ret = krb5_data_alloc (&value, data_len);
    if (ret) {
	krb5_free_principal (context->context, source);
	return ret;
    }
    krb5_storage_read (sp, value.data, data_len);
    ret = hdb_value2entry (context->context, &value, &target_ent);
    krb5_data_free(&value);
    if (ret) {
	krb5_free_principal (context->context, source);
	return ret;
    }
    ret = context->db->hdb_store (context->context, context->db, 
				  0, &target_ent);
    hdb_free_entry (context->context, &target_ent);
    if (ret) {
	krb5_free_principal (context->context, source);
	return ret;
    }
    source_ent.principal = source;
    ret = context->db->hdb_remove (context->context, context->db, &source_ent);
    krb5_free_principal (context->context, source);
    return ret;
}
示例#11
0
/*
 * Request:
 *      NameZ
 *
 * Response:
 *      Principal
 */
static krb5_error_code
kcm_get_principal(krb5_context context,
		  krb5_ccache id,
		  krb5_principal *principal)
{
    krb5_error_code ret;
    krb5_kcmcache *k = KCMCACHE(id);
    krb5_storage *request, *response;
    krb5_data response_data;

    ret = krb5_kcm_storage_request(context, KCM_OP_GET_PRINCIPAL, &request);
    if (ret)
	return ret;

    ret = krb5_store_stringz(request, k->name);
    if (ret) {
	krb5_storage_free(request);
	return ret;
    }

    ret = krb5_kcm_call(context, request, &response, &response_data);
    if (ret) {
	krb5_storage_free(request);
	return ret;
    }

    ret = krb5_ret_principal(response, principal);
    if (ret)
	ret = KRB5_CC_IO;

    krb5_storage_free(request);
    krb5_storage_free(response);
    krb5_data_free(&response_data);

    return ret;
}
示例#12
0
/*
 * Request:
 *	NameZ
 *	ServerPrincipalPresent
 *	ServerPrincipal OPTIONAL
 *	Key
 *
 * Repsonse:
 *
 */
static krb5_error_code
kcm_op_get_initial_ticket(krb5_context context,
			  kcm_client *client,
			  kcm_operation opcode,
			  krb5_storage *request,
			  krb5_storage *response)
{
    krb5_error_code ret;
    kcm_ccache ccache;
    char *name;
    int8_t not_tgt = 0;
    krb5_principal server = NULL;
    krb5_keyblock key;

    krb5_keyblock_zero(&key);

    ret = krb5_ret_stringz(request, &name);
    if (ret)
	return ret;

    KCM_LOG_REQUEST_NAME(context, client, opcode, name);

    ret = krb5_ret_int8(request, &not_tgt);
    if (ret) {
	free(name);
	return ret;
    }

    if (not_tgt) {
	ret = krb5_ret_principal(request, &server);
	if (ret) {
	    free(name);
	    return ret;
	}
    }

    ret = krb5_ret_keyblock(request, &key);
    if (ret) {
	free(name);
	if (server != NULL)
	    krb5_free_principal(context, server);
	return ret;
    }

    ret = kcm_ccache_resolve_client(context, client, opcode,
				    name, &ccache);
    if (ret == 0) {
	HEIMDAL_MUTEX_lock(&ccache->mutex);

	if (ccache->server != NULL) {
	    krb5_free_principal(context, ccache->server);
	    ccache->server = NULL;
	}

	krb5_free_keyblock(context, &ccache->key.keyblock);

	ccache->server = server;
	ccache->key.keyblock = key;
    	ccache->flags |= KCM_FLAGS_USE_CACHED_KEY;

	ret = kcm_ccache_enqueue_default(context, ccache, NULL);
	if (ret) {
	    ccache->server = NULL;
	    krb5_keyblock_zero(&ccache->key.keyblock);
	    ccache->flags &= ~(KCM_FLAGS_USE_CACHED_KEY);
	}

	HEIMDAL_MUTEX_unlock(&ccache->mutex);
    }

    free(name);

    if (ret != 0) {
	krb5_free_principal(context, server);
	krb5_free_keyblock(context, &key);
    }

    kcm_release_ccache(context, ccache);

    return ret;
}
示例#13
0
static void
print_entry(kadm5_server_context *server_context,
	    uint32_t ver,
	    time_t timestamp,
	    enum kadm_ops op,
	    uint32_t len,
	    krb5_storage *sp,
	    void *ctx)
{
    char t[256];
    int32_t mask;
    hdb_entry ent;
    krb5_principal source;
    char *name1, *name2;
    krb5_data data;
    krb5_context scontext = server_context->context;

    off_t end = krb5_storage_seek(sp, 0, SEEK_CUR) + len;

    krb5_error_code ret;

    strftime(t, sizeof(t), "%Y-%m-%d %H:%M:%S", localtime(&timestamp));

    if((int)op < (int)kadm_get || (int)op > (int)kadm_nop) {
	printf("unknown op: %d\n", op);
	krb5_storage_seek(sp, end, SEEK_SET);
	return;
    }

    printf ("%s: ver = %u, timestamp = %s, len = %u\n",
	    op_names[op], ver, t, len);
    switch(op) {
    case kadm_delete:
	krb5_ret_principal(sp, &source);
	krb5_unparse_name(scontext, source, &name1);
	printf("    %s\n", name1);
	free(name1);
	krb5_free_principal(scontext, source);
	break;
    case kadm_rename:
	ret = krb5_data_alloc(&data, len);
	if (ret)
	    krb5_err (scontext, 1, ret, "kadm_rename: data alloc: %d", len);
	krb5_ret_principal(sp, &source);
	krb5_storage_read(sp, data.data, data.length);
	hdb_value2entry(scontext, &data, &ent);
	krb5_unparse_name(scontext, source, &name1);
	krb5_unparse_name(scontext, ent.principal, &name2);
	printf("    %s -> %s\n", name1, name2);
	free(name1);
	free(name2);
	krb5_free_principal(scontext, source);
	free_hdb_entry(&ent);
	break;
    case kadm_create:
	ret = krb5_data_alloc(&data, len);
	if (ret)
	    krb5_err (scontext, 1, ret, "kadm_create: data alloc: %d", len);
	krb5_storage_read(sp, data.data, data.length);
	ret = hdb_value2entry(scontext, &data, &ent);
	if(ret)
	    abort();
	mask = ~0;
	goto foo;
    case kadm_modify:
	ret = krb5_data_alloc(&data, len);
	if (ret)
	    krb5_err (scontext, 1, ret, "kadm_modify: data alloc: %d", len);
	krb5_ret_int32(sp, &mask);
	krb5_storage_read(sp, data.data, data.length);
	ret = hdb_value2entry(scontext, &data, &ent);
	if(ret)
	    abort();
    foo:
	if(ent.principal /* mask & KADM5_PRINCIPAL */) {
	    krb5_unparse_name(scontext, ent.principal, &name1);
	    printf("    principal = %s\n", name1);
	    free(name1);
	}
	if(mask & KADM5_PRINC_EXPIRE_TIME) {
	    if(ent.valid_end == NULL) {
		strlcpy(t, "never", sizeof(t));
	    } else {
		strftime(t, sizeof(t), "%Y-%m-%d %H:%M:%S",
			 localtime(ent.valid_end));
	    }
	    printf("    expires = %s\n", t);
	}
	if(mask & KADM5_PW_EXPIRATION) {
	    if(ent.pw_end == NULL) {
		strlcpy(t, "never", sizeof(t));
	    } else {
		strftime(t, sizeof(t), "%Y-%m-%d %H:%M:%S",
			 localtime(ent.pw_end));
	    }
	    printf("    password exp = %s\n", t);
	}
	if(mask & KADM5_LAST_PWD_CHANGE) {
	}
	if(mask & KADM5_ATTRIBUTES) {
	    unparse_flags(HDBFlags2int(ent.flags),
			  asn1_HDBFlags_units(), t, sizeof(t));
	    printf("    attributes = %s\n", t);
	}
	if(mask & KADM5_MAX_LIFE) {
	    if(ent.max_life == NULL)
		strlcpy(t, "for ever", sizeof(t));
	    else
		unparse_time(*ent.max_life, t, sizeof(t));
	    printf("    max life = %s\n", t);
	}
	if(mask & KADM5_MAX_RLIFE) {
	    if(ent.max_renew == NULL)
		strlcpy(t, "for ever", sizeof(t));
	    else
		unparse_time(*ent.max_renew, t, sizeof(t));
	    printf("    max rlife = %s\n", t);
	}
	if(mask & KADM5_MOD_TIME) {
	    printf("    mod time\n");
	}
	if(mask & KADM5_MOD_NAME) {
	    printf("    mod name\n");
	}
	if(mask & KADM5_KVNO) {
	    printf("    kvno = %d\n", ent.kvno);
	}
	if(mask & KADM5_MKVNO) {
	    printf("    mkvno\n");
	}
	if(mask & KADM5_AUX_ATTRIBUTES) {
	    printf("    aux attributes\n");
	}
	if(mask & KADM5_POLICY) {
	    printf("    policy\n");
	}
	if(mask & KADM5_POLICY_CLR) {
	    printf("    mod time\n");
	}
	if(mask & KADM5_LAST_SUCCESS) {
	    printf("    last success\n");
	}
	if(mask & KADM5_LAST_FAILED) {
	    printf("    last failed\n");
	}
	if(mask & KADM5_FAIL_AUTH_COUNT) {
	    printf("    fail auth count\n");
	}
	if(mask & KADM5_KEY_DATA) {
	    printf("    key data\n");
	}
	if(mask & KADM5_TL_DATA) {
	    printf("    tl data\n");
	}
	free_hdb_entry(&ent);
	break;
    case kadm_nop :
	break;
    default:
	abort();
    }
    krb5_storage_seek(sp, end, SEEK_SET);
}
示例#14
0
/*
 * Request:
 *	NameZ
 *	ServerPrincipal
 *	KDCFlags
 *	EncryptionType
 *
 * Repsonse:
 *
 */
static krb5_error_code
kcm_op_get_ticket(krb5_context context,
		  kcm_client *client,
		  kcm_operation opcode,
		  krb5_storage *request,
		  krb5_storage *response)
{
    krb5_error_code ret;
    kcm_ccache ccache;
    char *name;
    krb5_principal server = NULL;
    krb5_ccache_data ccdata;
    krb5_creds in, *out;
    krb5_kdc_flags flags;

    memset(&in, 0, sizeof(in));

    ret = krb5_ret_stringz(request, &name);
    if (ret)
	return ret;

    KCM_LOG_REQUEST_NAME(context, client, opcode, name);

    ret = krb5_ret_uint32(request, &flags.i);
    if (ret) {
	free(name);
	return ret;
    }

    ret = krb5_ret_int32(request, &in.session.keytype);
    if (ret) {
	free(name);
	return ret;
    }

    ret = krb5_ret_principal(request, &server);
    if (ret) {
	free(name);
	return ret;
    }

    ret = kcm_ccache_resolve_client(context, client, opcode,
				    name, &ccache);
    if (ret) {
	krb5_free_principal(context, server);
	free(name);
	return ret;
    }

    HEIMDAL_MUTEX_lock(&ccache->mutex);

    /* Fake up an internal ccache */
    kcm_internal_ccache(context, ccache, &ccdata);

    in.client = ccache->client;
    in.server = server;
    in.times.endtime = 0;

    /* glue cc layer will store creds */
    ret = krb5_get_credentials_with_flags(context, 0, flags,
					  &ccdata, &in, &out);

    HEIMDAL_MUTEX_unlock(&ccache->mutex);

    krb5_free_principal(context, server);

    if (ret == 0)
	krb5_free_cred_contents(context, out);

    kcm_release_ccache(context, ccache);
    free(name);

    return ret;
}
示例#15
0
文件: server.c 项目: Sp1l/heimdal
static kadm5_ret_t
kadmind_dispatch(void *kadm_handlep, krb5_boolean initial,
		 krb5_data *in, krb5_data *out)
{
    kadm5_ret_t ret;
    int32_t cmd, mask, tmp;
    kadm5_server_context *contextp = kadm_handlep;
    char client[128], name[128], name2[128];
    const char *op = "";
    krb5_principal princ, princ2;
    kadm5_principal_ent_rec ent;
    char *password, *expression;
    krb5_keyblock *new_keys;
    krb5_key_salt_tuple *ks_tuple = NULL;
    krb5_boolean keepold = FALSE;
    int n_ks_tuple = 0;
    int n_keys;
    char **princs;
    int n_princs;
    int keys_ok = 0;
    krb5_storage *sp;

    krb5_unparse_name_fixed(contextp->context, contextp->caller,
			    client, sizeof(client));

    sp = krb5_storage_from_data(in);
    if (sp == NULL)
	krb5_errx(contextp->context, 1, "out of memory");

    krb5_ret_int32(sp, &cmd);
    switch(cmd){
    case kadm_get:{
	op = "GET";
	ret = krb5_ret_principal(sp, &princ);
	if(ret)
	    goto fail;
	ret = krb5_ret_int32(sp, &mask);
	if(ret){
	    krb5_free_principal(contextp->context, princ);
	    goto fail;
	}
	mask |= KADM5_PRINCIPAL;
	krb5_unparse_name_fixed(contextp->context, princ, name, sizeof(name));
	krb5_warnx(contextp->context, "%s: %s %s", client, op, name);

        /* If the caller doesn't have KADM5_PRIV_GET, we're done. */
	ret = _kadm5_acl_check_permission(contextp, KADM5_PRIV_GET, princ);
        if (ret) {
	    krb5_free_principal(contextp->context, princ);
	    goto fail;
        }

        /* Then check to see if it is ok to return keys */
        if ((mask & KADM5_KEY_DATA) != 0) {
            ret = _kadm5_acl_check_permission(contextp, KADM5_PRIV_GET_KEYS,
                                              princ);
            if (ret == 0) {
                keys_ok = 1;
            } else if ((mask == (KADM5_PRINCIPAL|KADM5_KEY_DATA)) ||
                       (mask == (KADM5_PRINCIPAL|KADM5_KVNO|KADM5_KEY_DATA))) {
                /*
                 * Requests for keys will get bogus keys, which is useful if
                 * the client just wants to see what (kvno, enctype)s the
                 * principal has keys for, but terrible if the client wants to
                 * write the keys into a keytab or modify the principal and
                 * write the bogus keys back to the server.
                 *
                 * We use a heuristic to detect which case we're handling here.
                 * If the client only asks for the flags in the above
                 * condition, then it's very likely a kadmin ext_keytab,
                 * add_enctype, or other request that should not see bogus
                 * keys.  We deny them.
                 *
                 * The kadmin get command can be coaxed into making a request
                 * with the same mask.  But the default long and terse output
                 * modes request other things too, so in all likelihood this
                 * heuristic will not hurt any kadmin get uses.
                 */
                krb5_free_principal(contextp->context, princ);
                goto fail;
            }
        }

	ret = kadm5_get_principal(kadm_handlep, princ, &ent, mask);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	if (ret == 0){
	    if (keys_ok)
		kadm5_store_principal_ent(sp, &ent);
	    else
		kadm5_store_principal_ent_nokeys(sp, &ent);
	    kadm5_free_principal_ent(kadm_handlep, &ent);
	}
	krb5_free_principal(contextp->context, princ);
	break;
    }
    case kadm_delete:{
	op = "DELETE";
	ret = krb5_ret_principal(sp, &princ);
	if(ret)
	    goto fail;
	krb5_unparse_name_fixed(contextp->context, princ, name, sizeof(name));
	krb5_warnx(contextp->context, "%s: %s %s", client, op, name);
	ret = _kadm5_acl_check_permission(contextp, KADM5_PRIV_DELETE, princ);
	if(ret){
	    krb5_free_principal(contextp->context, princ);
	    goto fail;
	}
	ret = kadm5_delete_principal(kadm_handlep, princ);
	krb5_free_principal(contextp->context, princ);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	break;
    }
    case kadm_create:{
	op = "CREATE";
	ret = kadm5_ret_principal_ent(sp, &ent);
	if(ret)
	    goto fail;
	ret = krb5_ret_int32(sp, &mask);
	if(ret){
	    kadm5_free_principal_ent(contextp->context, &ent);
	    goto fail;
	}
	ret = krb5_ret_string(sp, &password);
	if(ret){
	    kadm5_free_principal_ent(contextp->context, &ent);
	    goto fail;
	}
	krb5_unparse_name_fixed(contextp->context, ent.principal,
				name, sizeof(name));
	krb5_warnx(contextp->context, "%s: %s %s", client, op, name);
	ret = _kadm5_acl_check_permission(contextp, KADM5_PRIV_ADD,
					  ent.principal);
	if(ret){
	    kadm5_free_principal_ent(contextp->context, &ent);
	    memset(password, 0, strlen(password));
	    free(password);
	    goto fail;
	}
	ret = kadm5_create_principal(kadm_handlep, &ent,
				     mask, password);
	kadm5_free_principal_ent(kadm_handlep, &ent);
	memset(password, 0, strlen(password));
	free(password);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	break;
    }
    case kadm_modify:{
	op = "MODIFY";
	ret = kadm5_ret_principal_ent(sp, &ent);
	if(ret)
	    goto fail;
	ret = krb5_ret_int32(sp, &mask);
	if(ret){
	    kadm5_free_principal_ent(contextp, &ent);
	    goto fail;
	}
	krb5_unparse_name_fixed(contextp->context, ent.principal,
				name, sizeof(name));
	krb5_warnx(contextp->context, "%s: %s %s", client, op, name);
	ret = _kadm5_acl_check_permission(contextp, KADM5_PRIV_MODIFY,
					  ent.principal);
	if(ret){
	    kadm5_free_principal_ent(contextp, &ent);
	    goto fail;
	}
	ret = kadm5_modify_principal(kadm_handlep, &ent, mask);
	kadm5_free_principal_ent(kadm_handlep, &ent);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	break;
    }
    case kadm_rename:{
	op = "RENAME";
	ret = krb5_ret_principal(sp, &princ);
	if(ret)
	    goto fail;
	ret = krb5_ret_principal(sp, &princ2);
	if(ret){
	    krb5_free_principal(contextp->context, princ);
	    goto fail;
	}
	krb5_unparse_name_fixed(contextp->context, princ, name, sizeof(name));
	krb5_unparse_name_fixed(contextp->context, princ2, name2, sizeof(name2));
	krb5_warnx(contextp->context, "%s: %s %s -> %s",
		   client, op, name, name2);
	ret = _kadm5_acl_check_permission(contextp,
					  KADM5_PRIV_ADD,
					  princ2)
	    || _kadm5_acl_check_permission(contextp,
					   KADM5_PRIV_DELETE,
					   princ);
	if(ret){
	    krb5_free_principal(contextp->context, princ);
	    krb5_free_principal(contextp->context, princ2);
	    goto fail;
	}
	ret = kadm5_rename_principal(kadm_handlep, princ, princ2);
	krb5_free_principal(contextp->context, princ);
	krb5_free_principal(contextp->context, princ2);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	break;
    }
    case kadm_chpass:{
	op = "CHPASS";
	ret = krb5_ret_principal(sp, &princ);
	if (ret)
	    goto fail;
	ret = krb5_ret_string(sp, &password);
	if (ret) {
	    krb5_free_principal(contextp->context, princ);
	    goto fail;
	}
	ret = krb5_ret_int32(sp, &keepold);
	if (ret && ret != HEIM_ERR_EOF) {
	    krb5_free_principal(contextp->context, princ);
	    goto fail;
	}
	krb5_unparse_name_fixed(contextp->context, princ, name, sizeof(name));
	krb5_warnx(contextp->context, "%s: %s %s", client, op, name);

	/*
	 * The change is allowed if at least one of:
	 *
	 * a) allowed by sysadmin
	 * b) it's for the principal him/herself and this was an
	 *    initial ticket, but then, check with the password quality
	 *    function.
	 * c) the user is on the CPW ACL.
	 */

	if (krb5_config_get_bool_default(contextp->context, NULL, TRUE,
					 "kadmin", "allow_self_change_password", NULL)
	    && initial
	    && krb5_principal_compare (contextp->context, contextp->caller,
				       princ))
	{
	    krb5_data pwd_data;
	    const char *pwd_reason;

	    pwd_data.data = password;
	    pwd_data.length = strlen(password);

	    pwd_reason = kadm5_check_password_quality (contextp->context,
						       princ, &pwd_data);
	    if (pwd_reason != NULL)
		ret = KADM5_PASS_Q_DICT;
	    else
		ret = 0;
	} else
	    ret = _kadm5_acl_check_permission(contextp, KADM5_PRIV_CPW, princ);

	if(ret) {
	    krb5_free_principal(contextp->context, princ);
	    memset(password, 0, strlen(password));
	    free(password);
	    goto fail;
	}
	ret = kadm5_chpass_principal_3(kadm_handlep, princ, keepold, 0, NULL,
				       password);
	krb5_free_principal(contextp->context, princ);
	memset(password, 0, strlen(password));
	free(password);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	break;
    }
    case kadm_chpass_with_key:{
	int i;
	krb5_key_data *key_data;
	int n_key_data;

	op = "CHPASS_WITH_KEY";
	ret = krb5_ret_principal(sp, &princ);
	if(ret)
	    goto fail;
	ret = krb5_ret_int32(sp, &n_key_data);
	if (ret) {
	    krb5_free_principal(contextp->context, princ);
	    goto fail;
	}
	ret = krb5_ret_int32(sp, &keepold);
	if (ret && ret != HEIM_ERR_EOF) {
	    krb5_free_principal(contextp->context, princ);
	    goto fail;
	}
	/* n_key_data will be squeezed into an int16_t below. */
	if (n_key_data < 0 || n_key_data >= 1 << 16 ||
	    (size_t)n_key_data > UINT_MAX/sizeof(*key_data)) {
	    ret = ERANGE;
	    krb5_free_principal(contextp->context, princ);
	    goto fail;
	}

	key_data = malloc (n_key_data * sizeof(*key_data));
	if (key_data == NULL && n_key_data != 0) {
	    ret = ENOMEM;
	    krb5_free_principal(contextp->context, princ);
	    goto fail;
	}

	for (i = 0; i < n_key_data; ++i) {
	    ret = kadm5_ret_key_data (sp, &key_data[i]);
	    if (ret) {
		int16_t dummy = i;

		kadm5_free_key_data (contextp, &dummy, key_data);
		free (key_data);
		krb5_free_principal(contextp->context, princ);
		goto fail;
	    }
	}

	krb5_unparse_name_fixed(contextp->context, princ, name, sizeof(name));
	krb5_warnx(contextp->context, "%s: %s %s", client, op, name);

	/*
	 * The change is only allowed if the user is on the CPW ACL,
	 * this it to force password quality check on the user.
	 */

	ret = _kadm5_acl_check_permission(contextp, KADM5_PRIV_CPW, princ);
	if(ret) {
	    int16_t dummy = n_key_data;

	    kadm5_free_key_data (contextp, &dummy, key_data);
	    free (key_data);
	    krb5_free_principal(contextp->context, princ);
	    goto fail;
	}
	ret = kadm5_chpass_principal_with_key_3(kadm_handlep, princ, keepold,
					        n_key_data, key_data);
	{
	    int16_t dummy = n_key_data;
	    kadm5_free_key_data (contextp, &dummy, key_data);
	}
	free (key_data);
	krb5_free_principal(contextp->context, princ);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	break;
    }
    case kadm_randkey:{
	op = "RANDKEY";
	ret = krb5_ret_principal(sp, &princ);
	if(ret)
	    goto fail;
	krb5_unparse_name_fixed(contextp->context, princ, name, sizeof(name));
	krb5_warnx(contextp->context, "%s: %s %s", client, op, name);
	/*
	 * The change is allowed if at least one of:
	 * a) it's for the principal him/herself and this was an initial ticket
	 * b) the user is on the CPW ACL.
	 */

	if (initial
	    && krb5_principal_compare (contextp->context, contextp->caller,
				       princ))
	    ret = 0;
	else
	    ret = _kadm5_acl_check_permission(contextp, KADM5_PRIV_CPW, princ);

	if(ret) {
	    krb5_free_principal(contextp->context, princ);
	    goto fail;
	}

	/*
	 * See comments in kadm5_c_randkey_principal() regarding the
	 * protocol.
	 */
	ret = krb5_ret_int32(sp, &keepold);
	if (ret != 0 && ret != HEIM_ERR_EOF) {
	    krb5_free_principal(contextp->context, princ);
	    goto fail;
	}

	ret = krb5_ret_int32(sp, &n_ks_tuple);
	if (ret != 0 && ret != HEIM_ERR_EOF) {
	    krb5_free_principal(contextp->context, princ);
	    goto fail;
	} else if (ret == 0) {
	    size_t i;

	    if (n_ks_tuple < 0) {
		ret = EOVERFLOW;
		krb5_free_principal(contextp->context, princ);
		goto fail;
	    }

	    if ((ks_tuple = calloc(n_ks_tuple, sizeof (*ks_tuple))) == NULL) {
		ret = errno;
		krb5_free_principal(contextp->context, princ);
		goto fail;
	    }

	    for (i = 0; i < n_ks_tuple; i++) {
		ret = krb5_ret_int32(sp, &ks_tuple[i].ks_enctype);
		if (ret != 0) {
		    krb5_free_principal(contextp->context, princ);
		    goto fail;
		}
		ret = krb5_ret_int32(sp, &ks_tuple[i].ks_salttype);
		if (ret != 0) {
		    krb5_free_principal(contextp->context, princ);
		    goto fail;
		}
	    }
	}
	ret = kadm5_randkey_principal_3(kadm_handlep, princ, keepold,
					n_ks_tuple, ks_tuple, &new_keys,
					&n_keys);
	krb5_free_principal(contextp->context, princ);

	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	if(ret == 0){
	    int i;
	    krb5_store_int32(sp, n_keys);
	    for(i = 0; i < n_keys; i++){
		krb5_store_keyblock(sp, new_keys[i]);
		krb5_free_keyblock_contents(contextp->context, &new_keys[i]);
	    }
	    free(new_keys);
	}
	break;
    }
    case kadm_get_privs:{
	uint32_t privs;
	ret = kadm5_get_privs(kadm_handlep, &privs);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	if(ret == 0)
	    krb5_store_uint32(sp, privs);
	break;
    }
    case kadm_get_princs:{
	op = "LIST";
	ret = krb5_ret_int32(sp, &tmp);
	if(ret)
	    goto fail;
	if(tmp){
	    ret = krb5_ret_string(sp, &expression);
	    if(ret)
		goto fail;
	}else
	    expression = NULL;
	krb5_warnx(contextp->context, "%s: %s %s", client, op,
		   expression ? expression : "*");
	ret = _kadm5_acl_check_permission(contextp, KADM5_PRIV_LIST, NULL);
	if(ret){
	    free(expression);
	    goto fail;
	}
	ret = kadm5_get_principals(kadm_handlep, expression, &princs, &n_princs);
	free(expression);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	if(ret == 0){
	    int i;
	    krb5_store_int32(sp, n_princs);
	    for(i = 0; i < n_princs; i++)
		krb5_store_string(sp, princs[i]);
	    kadm5_free_name_list(kadm_handlep, princs, &n_princs);
	}
	break;
    }
    default:
	krb5_warnx(contextp->context, "%s: UNKNOWN OP %d", client, cmd);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, KADM5_FAILURE);
	break;
    }
    krb5_storage_to_data(sp, out);
    krb5_storage_free(sp);
    return 0;
fail:
    krb5_warn(contextp->context, ret, "%s", op);
    krb5_storage_seek(sp, 0, SEEK_SET);
    krb5_store_int32(sp, ret);
    krb5_storage_to_data(sp, out);
    krb5_storage_free(sp);
    return 0;
}
示例#16
0
static kadm5_ret_t
kadmind_dispatch(void *kadm_handle, krb5_boolean initial,
		 krb5_data *in, krb5_data *out)
{
    kadm5_ret_t ret;
    int32_t cmd, mask, tmp;
    kadm5_server_context *context = kadm_handle;
    char client[128], name[128], name2[128];
    char *op = "";
    krb5_principal princ, princ2;
    kadm5_principal_ent_rec ent;
    char *password, *expression;
    krb5_keyblock *new_keys;
    int n_keys;
    char **princs;
    int n_princs;
    krb5_storage *sp;

    krb5_unparse_name_fixed(context->context, context->caller,
			    client, sizeof(client));

    sp = krb5_storage_from_data(in);
    if (sp == NULL)
	krb5_errx(context->context, 1, "out of memory");

    krb5_ret_int32(sp, &cmd);
    switch(cmd){
    case kadm_get:{
	op = "GET";
	ret = krb5_ret_principal(sp, &princ);
	if(ret)
	    goto fail;
	ret = krb5_ret_int32(sp, &mask);
	if(ret){
	    krb5_free_principal(context->context, princ);
	    goto fail;
	}
	mask |= KADM5_PRINCIPAL;
	krb5_unparse_name_fixed(context->context, princ, name, sizeof(name));
	krb5_warnx(context->context, "%s: %s %s", client, op, name);
	ret = _kadm5_acl_check_permission(context, KADM5_PRIV_GET, princ);
	if(ret){
	    krb5_free_principal(context->context, princ);
	    goto fail;
	}
	ret = kadm5_get_principal(kadm_handle, princ, &ent, mask);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	if(ret == 0){
	    kadm5_store_principal_ent(sp, &ent);
	    kadm5_free_principal_ent(kadm_handle, &ent);
	}
	krb5_free_principal(context->context, princ);
	break;
    }
    case kadm_delete:{
	op = "DELETE";
	ret = krb5_ret_principal(sp, &princ);
	if(ret)
	    goto fail;
	krb5_unparse_name_fixed(context->context, princ, name, sizeof(name));
	krb5_warnx(context->context, "%s: %s %s", client, op, name);
	ret = _kadm5_acl_check_permission(context, KADM5_PRIV_DELETE, princ);
	if(ret){
	    krb5_free_principal(context->context, princ);
	    goto fail;
	}
	ret = kadm5_delete_principal(kadm_handle, princ);
	krb5_free_principal(context->context, princ);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	break;
    }
    case kadm_create:{
	op = "CREATE";
	ret = kadm5_ret_principal_ent(sp, &ent);
	if(ret)
	    goto fail;
	ret = krb5_ret_int32(sp, &mask);
	if(ret){
	    kadm5_free_principal_ent(context->context, &ent);
	    goto fail;
	}
	ret = krb5_ret_string(sp, &password);
	if(ret){
	    kadm5_free_principal_ent(context->context, &ent);
	    goto fail;
	}
	krb5_unparse_name_fixed(context->context, ent.principal,
				name, sizeof(name));
	krb5_warnx(context->context, "%s: %s %s", client, op, name);
	ret = _kadm5_acl_check_permission(context, KADM5_PRIV_ADD,
					  ent.principal);
	if(ret){
	    kadm5_free_principal_ent(context->context, &ent);
	    memset(password, 0, strlen(password));
	    free(password);
	    goto fail;
	}
	ret = kadm5_create_principal(kadm_handle, &ent,
				     mask, password);
	kadm5_free_principal_ent(kadm_handle, &ent);
	memset(password, 0, strlen(password));
	free(password);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	break;
    }
    case kadm_modify:{
	op = "MODIFY";
	ret = kadm5_ret_principal_ent(sp, &ent);
	if(ret)
	    goto fail;
	ret = krb5_ret_int32(sp, &mask);
	if(ret){
	    kadm5_free_principal_ent(context, &ent);
	    goto fail;
	}
	krb5_unparse_name_fixed(context->context, ent.principal,
				name, sizeof(name));
	krb5_warnx(context->context, "%s: %s %s", client, op, name);
	ret = _kadm5_acl_check_permission(context, KADM5_PRIV_MODIFY,
					  ent.principal);
	if(ret){
	    kadm5_free_principal_ent(context, &ent);
	    goto fail;
	}
	ret = kadm5_modify_principal(kadm_handle, &ent, mask);
	kadm5_free_principal_ent(kadm_handle, &ent);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	break;
    }
    case kadm_rename:{
	op = "RENAME";
	ret = krb5_ret_principal(sp, &princ);
	if(ret)
	    goto fail;
	ret = krb5_ret_principal(sp, &princ2);
	if(ret){
	    krb5_free_principal(context->context, princ);
	    goto fail;
	}
	krb5_unparse_name_fixed(context->context, princ, name, sizeof(name));
	krb5_unparse_name_fixed(context->context, princ2, name2, sizeof(name2));
	krb5_warnx(context->context, "%s: %s %s -> %s",
		   client, op, name, name2);
	ret = _kadm5_acl_check_permission(context,
					  KADM5_PRIV_ADD,
					  princ2)
	    || _kadm5_acl_check_permission(context,
					   KADM5_PRIV_DELETE,
					   princ);
	if(ret){
	    krb5_free_principal(context->context, princ);
	    krb5_free_principal(context->context, princ2);
	    goto fail;
	}
	ret = kadm5_rename_principal(kadm_handle, princ, princ2);
	krb5_free_principal(context->context, princ);
	krb5_free_principal(context->context, princ2);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	break;
    }
    case kadm_chpass:{
	op = "CHPASS";
	ret = krb5_ret_principal(sp, &princ);
	if(ret)
	    goto fail;
	ret = krb5_ret_string(sp, &password);
	if(ret){
	    krb5_free_principal(context->context, princ);
	    goto fail;
	}
	krb5_unparse_name_fixed(context->context, princ, name, sizeof(name));
	krb5_warnx(context->context, "%s: %s %s", client, op, name);

	/*
	 * The change is allowed if at least one of:

	 * a) it's for the principal him/herself and this was an
	 *    initial ticket, but then, check with the password quality
	 *    function.
	 * b) the user is on the CPW ACL.
	 */

	if (initial
	    && krb5_principal_compare (context->context, context->caller,
				       princ))
	{
	    krb5_data pwd_data;
	    const char *pwd_reason;

	    pwd_data.data = password;
	    pwd_data.length = strlen(password);

	    pwd_reason = kadm5_check_password_quality (context->context,
						       princ, &pwd_data);
	    if (pwd_reason != NULL)
		ret = KADM5_PASS_Q_DICT;
	    else
		ret = 0;
	} else
	    ret = _kadm5_acl_check_permission(context, KADM5_PRIV_CPW, princ);

	if(ret) {
	    krb5_free_principal(context->context, princ);
	    memset(password, 0, strlen(password));
	    free(password);
	    goto fail;
	}
	ret = kadm5_chpass_principal(kadm_handle, princ, password);
	krb5_free_principal(context->context, princ);
	memset(password, 0, strlen(password));
	free(password);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	break;
    }
    case kadm_chpass_with_key:{
	int i;
	krb5_key_data *key_data;
	int n_key_data;

	op = "CHPASS_WITH_KEY";
	ret = krb5_ret_principal(sp, &princ);
	if(ret)
	    goto fail;
	ret = krb5_ret_int32(sp, &n_key_data);
	if (ret) {
	    krb5_free_principal(context->context, princ);
	    goto fail;
	}
	/* n_key_data will be squeezed into an int16_t below. */
	if (n_key_data < 0 || n_key_data >= 1 << 16 ||
	    n_key_data > UINT_MAX/sizeof(*key_data)) {
	    ret = ERANGE;
	    krb5_free_principal(context->context, princ);
	    goto fail;
	}

	key_data = malloc (n_key_data * sizeof(*key_data));
	if (key_data == NULL && n_key_data != 0) {
	    ret = ENOMEM;
	    krb5_free_principal(context->context, princ);
	    goto fail;
	}

	for (i = 0; i < n_key_data; ++i) {
	    ret = kadm5_ret_key_data (sp, &key_data[i]);
	    if (ret) {
		int16_t dummy = i;

		kadm5_free_key_data (context, &dummy, key_data);
		free (key_data);
		krb5_free_principal(context->context, princ);
		goto fail;
	    }
	}

	krb5_unparse_name_fixed(context->context, princ, name, sizeof(name));
	krb5_warnx(context->context, "%s: %s %s", client, op, name);

	/*
	 * The change is only allowed if the user is on the CPW ACL,
	 * this it to force password quality check on the user.
	 */

	ret = _kadm5_acl_check_permission(context, KADM5_PRIV_CPW, princ);
	if(ret) {
	    int16_t dummy = n_key_data;

	    kadm5_free_key_data (context, &dummy, key_data);
	    free (key_data);
	    krb5_free_principal(context->context, princ);
	    goto fail;
	}
	ret = kadm5_chpass_principal_with_key(kadm_handle, princ,
					      n_key_data, key_data);
	{
	    int16_t dummy = n_key_data;
	    kadm5_free_key_data (context, &dummy, key_data);
	}
	free (key_data);
	krb5_free_principal(context->context, princ);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	break;
    }
    case kadm_randkey:{
	op = "RANDKEY";
	ret = krb5_ret_principal(sp, &princ);
	if(ret)
	    goto fail;
	krb5_unparse_name_fixed(context->context, princ, name, sizeof(name));
	krb5_warnx(context->context, "%s: %s %s", client, op, name);
	/*
	 * The change is allowed if at least one of:
	 * a) it's for the principal him/herself and this was an initial ticket
	 * b) the user is on the CPW ACL.
	 */

	if (initial
	    && krb5_principal_compare (context->context, context->caller,
				       princ))
	    ret = 0;
	else
	    ret = _kadm5_acl_check_permission(context, KADM5_PRIV_CPW, princ);

	if(ret) {
	    krb5_free_principal(context->context, princ);
	    goto fail;
	}
	ret = kadm5_randkey_principal(kadm_handle, princ,
				      &new_keys, &n_keys);
	krb5_free_principal(context->context, princ);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	if(ret == 0){
	    int i;
	    krb5_store_int32(sp, n_keys);
	    for(i = 0; i < n_keys; i++){
		krb5_store_keyblock(sp, new_keys[i]);
		krb5_free_keyblock_contents(context->context, &new_keys[i]);
	    }
	    free(new_keys);
	}
	break;
    }
    case kadm_get_privs:{
	uint32_t privs;
	ret = kadm5_get_privs(kadm_handle, &privs);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	if(ret == 0)
	    krb5_store_uint32(sp, privs);
	break;
    }
    case kadm_get_princs:{
	op = "LIST";
	ret = krb5_ret_int32(sp, &tmp);
	if(ret)
	    goto fail;
	if(tmp){
	    ret = krb5_ret_string(sp, &expression);
	    if(ret)
		goto fail;
	}else
	    expression = NULL;
	krb5_warnx(context->context, "%s: %s %s", client, op,
		   expression ? expression : "*");
	ret = _kadm5_acl_check_permission(context, KADM5_PRIV_LIST, NULL);
	if(ret){
	    free(expression);
	    goto fail;
	}
	ret = kadm5_get_principals(kadm_handle, expression, &princs, &n_princs);
	free(expression);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, ret);
	if(ret == 0){
	    int i;
	    krb5_store_int32(sp, n_princs);
	    for(i = 0; i < n_princs; i++)
		krb5_store_string(sp, princs[i]);
	    kadm5_free_name_list(kadm_handle, princs, &n_princs);
	}
	break;
    }
    default:
	krb5_warnx(context->context, "%s: UNKNOWN OP %d", client, cmd);
	krb5_storage_free(sp);
	sp = krb5_storage_emem();
	krb5_store_int32(sp, KADM5_FAILURE);
	break;
    }
    krb5_storage_to_data(sp, out);
    krb5_storage_free(sp);
    return 0;
fail:
    krb5_warn(context->context, ret, "%s", op);
    krb5_storage_seek(sp, 0, SEEK_SET);
    krb5_store_int32(sp, ret);
    krb5_storage_to_data(sp, out);
    krb5_storage_free(sp);
    return 0;
}
示例#17
0
文件: marshall.c 项目: crherar/Admin
static kadm5_ret_t
ret_principal_ent(krb5_storage *sp,
		  kadm5_principal_ent_t princ,
		  uint32_t mask)
{
    int i;
    int32_t tmp;

    if (mask & KADM5_PRINCIPAL)
	krb5_ret_principal(sp, &princ->principal);

    if (mask & KADM5_PRINC_EXPIRE_TIME) {
	krb5_ret_int32(sp, &tmp);
	princ->princ_expire_time = tmp;
    }
    if (mask & KADM5_PW_EXPIRATION) {
	krb5_ret_int32(sp, &tmp);
	princ->pw_expiration = tmp;
    }
    if (mask & KADM5_LAST_PWD_CHANGE) {
	krb5_ret_int32(sp, &tmp);
	princ->last_pwd_change = tmp;
    }
    if (mask & KADM5_MAX_LIFE) {
	krb5_ret_int32(sp, &tmp);
	princ->max_life = tmp;
    }
    if (mask & KADM5_MOD_NAME) {
	krb5_ret_int32(sp, &tmp);
	if(tmp)
	    krb5_ret_principal(sp, &princ->mod_name);
	else
	    princ->mod_name = NULL;
    }
    if (mask & KADM5_MOD_TIME) {
	krb5_ret_int32(sp, &tmp);
	princ->mod_date = tmp;
    }
    if (mask & KADM5_ATTRIBUTES) {
	krb5_ret_int32(sp, &tmp);
	princ->attributes = tmp;
    }
    if (mask & KADM5_KVNO) {
	krb5_ret_int32(sp, &tmp);
	princ->kvno = tmp;
    }
    if (mask & KADM5_MKVNO) {
	krb5_ret_int32(sp, &tmp);
	princ->mkvno = tmp;
    }
    if (mask & KADM5_POLICY) {
	krb5_ret_int32(sp, &tmp);
	if(tmp)
	    krb5_ret_string(sp, &princ->policy);
	else
	    princ->policy = NULL;
    }
    if (mask & KADM5_AUX_ATTRIBUTES) {
	krb5_ret_int32(sp, &tmp);
	princ->aux_attributes = tmp;
    }
    if (mask & KADM5_MAX_RLIFE) {
	krb5_ret_int32(sp, &tmp);
	princ->max_renewable_life = tmp;
    }
    if (mask & KADM5_LAST_SUCCESS) {
	krb5_ret_int32(sp, &tmp);
	princ->last_success = tmp;
    }
    if (mask & KADM5_LAST_FAILED) {
	krb5_ret_int32(sp, &tmp);
	princ->last_failed = tmp;
    }
    if (mask & KADM5_FAIL_AUTH_COUNT) {
	krb5_ret_int32(sp, &tmp);
	princ->fail_auth_count = tmp;
    }
    if (mask & KADM5_KEY_DATA) {
	krb5_ret_int32(sp, &tmp);
	princ->n_key_data = tmp;
	princ->key_data = malloc(princ->n_key_data * sizeof(*princ->key_data));
	if (princ->key_data == NULL && princ->n_key_data != 0)
	    return ENOMEM;
	for(i = 0; i < princ->n_key_data; i++)
	    kadm5_ret_key_data(sp, &princ->key_data[i]);
    }
    if (mask & KADM5_TL_DATA) {
	krb5_ret_int32(sp, &tmp);
	princ->n_tl_data = tmp;
	princ->tl_data = NULL;
	for(i = 0; i < princ->n_tl_data; i++){
	    krb5_tl_data *tp = malloc(sizeof(*tp));
	    if (tp == NULL)
		return ENOMEM;
	    kadm5_ret_tl_data(sp, tp);
	    tp->tl_data_next = princ->tl_data;
	    princ->tl_data = tp;
	}
    }
    return 0;
}