76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/*
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* Copyright (c) 2022 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#include <skywalk/os_skywalk_private.h>
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#include <IOKit/IOBSD.h>
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static int
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nxioctl_check_entitlement(u_long cmd)
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{
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boolean_t entitled = FALSE;
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if (kauth_cred_issuser(kauth_cred_get())) {
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return 0;
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}
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switch (cmd) {
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case NXIOC_ADD_TRAFFIC_RULE_INET:
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case NXIOC_REMOVE_TRAFFIC_RULE:
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entitled = IOCurrentTaskHasEntitlement(
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NXCTL_TRAFFIC_RULE_WRITE_ENTITLEMENT);
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break;
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case NXIOC_GET_TRAFFIC_RULES:
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entitled = IOCurrentTaskHasEntitlement(
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NXCTL_TRAFFIC_RULE_READ_ENTITLEMENT);
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break;
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default:
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SK_ERR("invalid command %x", cmd);
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return ENOTSUP;
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}
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return entitled ? 0 : EPERM;
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}
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int
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nxioctl(struct nxctl *nxctl, u_long cmd, caddr_t data, proc_t procp)
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{
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int err;
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if ((err = nxioctl_check_entitlement(cmd)) != 0) {
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return err;
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}
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switch (cmd) {
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case NXIOC_ADD_TRAFFIC_RULE_INET:
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return nxioctl_add_traffic_rule_inet(nxctl, data, procp);
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case NXIOC_REMOVE_TRAFFIC_RULE:
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return nxioctl_remove_traffic_rule(nxctl, data, procp);
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case NXIOC_GET_TRAFFIC_RULES:
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return nxioctl_get_traffic_rules(nxctl, data, procp);
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default:
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SK_ERR("invalid command %x", cmd);
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return ENOTSUP;
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}
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}
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