| 1 | /* |
| 2 | * security_stubs.c |
| 3 | * |
| 4 | * Copyright (C) 2014-2018 Aerospike, Inc. |
| 5 | * |
| 6 | * Portions may be licensed to Aerospike, Inc. under one or more contributor |
| 7 | * license agreements. |
| 8 | * |
| 9 | * This program is free software: you can redistribute it and/or modify it under |
| 10 | * the terms of the GNU Affero General Public License as published by the Free |
| 11 | * Software Foundation, either version 3 of the License, or (at your option) any |
| 12 | * later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| 16 | * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more |
| 17 | * details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU Affero General Public License |
| 20 | * along with this program. If not, see http://www.gnu.org/licenses/ |
| 21 | */ |
| 22 | |
| 23 | //========================================================== |
| 24 | // Includes. |
| 25 | // |
| 26 | |
| 27 | #include "base/security.h" |
| 28 | #include "base/security_config.h" |
| 29 | |
| 30 | #include <errno.h> |
| 31 | #include <stdbool.h> |
| 32 | #include <stddef.h> |
| 33 | #include <stdint.h> |
| 34 | #include <string.h> |
| 35 | #include <unistd.h> |
| 36 | |
| 37 | #include "citrusleaf/alloc.h" |
| 38 | |
| 39 | #include "fault.h" |
| 40 | #include "socket.h" |
| 41 | |
| 42 | #include "base/datamodel.h" |
| 43 | #include "base/proto.h" |
| 44 | #include "base/transaction.h" |
| 45 | |
| 46 | |
| 47 | //========================================================== |
| 48 | // Public API. |
| 49 | // |
| 50 | |
| 51 | // Security is an enterprise feature - here, do nothing. |
| 52 | void |
| 53 | as_security_init(void) |
| 54 | { |
| 55 | } |
| 56 | |
| 57 | // Security is an enterprise feature - here, allow all operations. |
| 58 | uint8_t |
| 59 | as_security_check(const as_file_handle* fd_h, as_sec_perm perm) |
| 60 | { |
| 61 | return AS_OK; |
| 62 | } |
| 63 | |
| 64 | // Security is an enterprise feature - here, allow all operations. |
| 65 | bool |
| 66 | as_security_check_data_op(as_transaction* tr, as_namespace* ns, |
| 67 | as_sec_perm perm) |
| 68 | { |
| 69 | return true; |
| 70 | } |
| 71 | |
| 72 | // Security is an enterprise feature - here, there's no filter. |
| 73 | void* |
| 74 | as_security_filter_create(void) |
| 75 | { |
| 76 | return NULL; |
| 77 | } |
| 78 | |
| 79 | // Security is an enterprise feature - here, there's no filter. |
| 80 | void |
| 81 | as_security_filter_destroy(void* pv_filter) |
| 82 | { |
| 83 | } |
| 84 | |
| 85 | // Security is an enterprise feature - here, do nothing. |
| 86 | void |
| 87 | as_security_log(const as_file_handle* fd_h, uint8_t result, as_sec_perm perm, |
| 88 | const char* action, const char* detail) |
| 89 | { |
| 90 | } |
| 91 | |
| 92 | // Security is an enterprise feature - here, never need to refresh. |
| 93 | bool |
| 94 | as_security_should_refresh(void) |
| 95 | { |
| 96 | return false; |
| 97 | } |
| 98 | |
| 99 | // Security is an enterprise feature - shouldn't get here. |
| 100 | void |
| 101 | as_security_refresh(as_file_handle* fd_h) |
| 102 | { |
| 103 | cf_crash(AS_SECURITY, "CE build called as_security_refresh()" ); |
| 104 | } |
| 105 | |
| 106 | // Security is an enterprise feature. If we receive a security message from a |
| 107 | // client here, quickly return AS_SEC_ERR_NOT_SUPPORTED. The client may choose |
| 108 | // to continue using this (unsecured) socket. |
| 109 | void |
| 110 | as_security_transact(as_transaction* tr) |
| 111 | { |
| 112 | // We don't need the request, since we're ignoring it. |
| 113 | cf_free(tr->msgp); |
| 114 | tr->msgp = NULL; |
| 115 | |
| 116 | // Set up a simple response with a single as_sec_msg that has no fields. |
| 117 | size_t resp_size = sizeof(as_proto) + sizeof(as_sec_msg); |
| 118 | uint8_t resp[resp_size]; |
| 119 | |
| 120 | // Fill out the as_proto fields. |
| 121 | as_proto* p_resp_proto = (as_proto*)resp; |
| 122 | |
| 123 | p_resp_proto->version = PROTO_VERSION; |
| 124 | p_resp_proto->type = PROTO_TYPE_SECURITY; |
| 125 | p_resp_proto->sz = sizeof(as_sec_msg); |
| 126 | |
| 127 | // Switch to network byte order. |
| 128 | as_proto_swap(p_resp_proto); |
| 129 | |
| 130 | uint8_t* p_proto_body = resp + sizeof(as_proto); |
| 131 | |
| 132 | memset((void*)p_proto_body, 0, sizeof(as_sec_msg)); |
| 133 | |
| 134 | // Fill out the relevant as_sec_msg fields. |
| 135 | as_sec_msg* p_sec_msg = (as_sec_msg*)p_proto_body; |
| 136 | |
| 137 | p_sec_msg->scheme = AS_SEC_MSG_SCHEME; |
| 138 | p_sec_msg->result = AS_SEC_ERR_NOT_SUPPORTED; |
| 139 | |
| 140 | // Send the complete response. |
| 141 | cf_socket *sock = &tr->from.proto_fd_h->sock; |
| 142 | |
| 143 | if (cf_socket_send_all(sock, resp, resp_size, MSG_NOSIGNAL, |
| 144 | CF_SOCKET_TIMEOUT) < 0) { |
| 145 | cf_warning(AS_SECURITY, "fd %d send failed, errno %d" , |
| 146 | CSFD(sock), errno); |
| 147 | as_end_of_transaction_force_close(tr->from.proto_fd_h); |
| 148 | tr->from.proto_fd_h = NULL; |
| 149 | return; |
| 150 | } |
| 151 | |
| 152 | as_end_of_transaction_ok(tr->from.proto_fd_h); |
| 153 | tr->from.proto_fd_h = NULL; |
| 154 | } |
| 155 | |
| 156 | |
| 157 | //========================================================== |
| 158 | // Public API - security configuration. |
| 159 | // |
| 160 | |
| 161 | // Security is an enterprise feature - here, do nothing. |
| 162 | void |
| 163 | as_security_config_check() |
| 164 | { |
| 165 | } |
| 166 | |
| 167 | // Security is an enterprise feature - here, do nothing. |
| 168 | void |
| 169 | as_security_config_log_scope(uint32_t sink, const char* ns_name, |
| 170 | const char* set_name) |
| 171 | { |
| 172 | } |
| 173 | |