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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | /* * Copyright (c) 2016-2024 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #include <assert.h> #include <errno.h> #include <string.h> #include <stdio.h> #include <uuid/uuid.h> #include <unistd.h> #include "skywalk_test_driver.h" #include "skywalk_test_common.h" #include "skywalk_test_utils.h" static int skt_closecfd_main(int argc, char *argv[]) { int error; channel_t channel; uuid_t channel_uuid; int channelfd; error = uuid_parse(argv[3], channel_uuid); SKTC_ASSERT_ERR(!error); channel = sktu_channel_create_extended(channel_uuid, 0, CHANNEL_DIR_TX_RX, CHANNEL_RING_ID_ANY, NULL, -1, -1, -1, -1, -1, -1, 1, -1, -1); assert(channel); channelfd = os_channel_get_fd(channel); assert(channelfd != -1); error = close(channelfd); // expected guarded fd fail. SKTC_ASSERT_ERR(!error); return 1; // should not reach } struct skywalk_test skt_closecfd = { "closecfd", "test closing guarded channel fd", SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_USER_PIPE, skt_closecfd_main, SKTC_GENERIC_UPIPE_ARGV, sktc_generic_upipe_null_init, sktc_generic_upipe_fini, 0x4000000100000000, 0xFFFFFFFF, }; /****************************************************************/ static int skt_writecfd_main(int argc, char *argv[]) { int error; ssize_t ret; channel_t channel; uuid_t channel_uuid; int channelfd; char buf[100]; error = uuid_parse(argv[3], channel_uuid); SKTC_ASSERT_ERR(!error); channel = sktu_channel_create_extended(channel_uuid, 0, CHANNEL_DIR_TX_RX, CHANNEL_RING_ID_ANY, NULL, -1, -1, -1, -1, -1, -1, 1, -1, -1); assert(channel); channelfd = os_channel_get_fd(channel); assert(channelfd != -1); ret = write(channelfd, buf, sizeof(buf)); assert(ret == -1); SKTC_ASSERT_ERR(errno == EBADF); return 0; } struct skywalk_test skt_writecfd = { "writecfd", "test writing to channel fd", SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_USER_PIPE, skt_writecfd_main, SKTC_GENERIC_UPIPE_ARGV, sktc_generic_upipe_null_init, sktc_generic_upipe_fini, }; /****************************************************************/ static int skt_readcfd_main(int argc, char *argv[]) { int error; ssize_t ret; channel_t channel; uuid_t channel_uuid; int channelfd; char buf[100]; error = uuid_parse(argv[3], channel_uuid); SKTC_ASSERT_ERR(!error); channel = sktu_channel_create_extended(channel_uuid, 0, CHANNEL_DIR_TX_RX, CHANNEL_RING_ID_ANY, NULL, -1, -1, -1, -1, -1, -1, 1, -1, -1); assert(channel); channelfd = os_channel_get_fd(channel); assert(channelfd != -1); ret = read(channelfd, buf, sizeof(buf)); assert(ret == -1); SKTC_ASSERT_ERR(errno == EBADF); return 0; } struct skywalk_test skt_readcfd = { "readcfd", "test reading from channel fd", SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_USER_PIPE, skt_readcfd_main, SKTC_GENERIC_UPIPE_ARGV, sktc_generic_upipe_null_init, sktc_generic_upipe_fini, }; /****************************************************************/ |