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208 lines
6.4 KiB
208 lines
6.4 KiB
/*
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* Copyright (C) 2012, The CyanogenMod Project
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* Daniel Hillenbrand <codeworkx@cyanogenmod.com>
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* Marco Hillenbrand <marco.hillenbrand@googlemail.com>
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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 and
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* limitations under the License.
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*/
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#define LOG_TAG "macloader"
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#define LOG_NDEBUG 0
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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/stat.h>
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#include <unistd.h>
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#include <pwd.h>
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#include <cutils/log.h>
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#define MACADDR_PATH "/efs/wifi/.mac.info"
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#define CID_PATH "/data/.cid.info"
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enum Type {
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NONE,
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MURATA,
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SEMCOSH,
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SEMCOVE,
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SEMCO3RD,
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SEMCO,
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WISOL
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};
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int main() {
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FILE* file;
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FILE* cidfile;
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char* str;
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char mac_addr_half[9];
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int ret = -1;
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int amode;
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enum Type type = NONE;
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/* open mac addr file */
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file = fopen(MACADDR_PATH, "r");
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if (file == 0) {
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fprintf(stderr, "open(%s) failed\n", MACADDR_PATH);
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ALOGE("Can't open %s\n", MACADDR_PATH);
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return -1;
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}
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/* get and compare mac addr */
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str = fgets(mac_addr_half, 9, file);
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if (str == 0) {
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fprintf(stderr, "fgets() from file %s failed\n", MACADDR_PATH);
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ALOGE("Can't read from %s\n", MACADDR_PATH);
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return -1;
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}
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/* murata
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ref: http://hwaddress.com/?q=ACT */
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if (strncasecmp(mac_addr_half, "00:0e:6d", 9) == 0 ||
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strncasecmp(mac_addr_half, "00:13:e0", 9) == 0 ||
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strncasecmp(mac_addr_half, "00:21:e8", 9) == 0 ||
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strncasecmp(mac_addr_half, "00:26:e8", 9) == 0 ||
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strncasecmp(mac_addr_half, "00:37:6d", 9) == 0 ||
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strncasecmp(mac_addr_half, "00:60:57", 9) == 0 ||
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strncasecmp(mac_addr_half, "04:46:65", 9) == 0 ||
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strncasecmp(mac_addr_half, "10:5f:06", 9) == 0 ||
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strncasecmp(mac_addr_half, "10:a5:d0", 9) == 0 ||
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strncasecmp(mac_addr_half, "1c:99:4c", 9) == 0 ||
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strncasecmp(mac_addr_half, "14:7d:c5", 9) == 0 ||
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strncasecmp(mac_addr_half, "20:02:af", 9) == 0 ||
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strncasecmp(mac_addr_half, "40:f3:08", 9) == 0 ||
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strncasecmp(mac_addr_half, "44:a7:cf", 9) == 0 ||
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strncasecmp(mac_addr_half, "5c:da:d4", 9) == 0 ||
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strncasecmp(mac_addr_half, "5c:f8:a1", 9) == 0 ||
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strncasecmp(mac_addr_half, "78:4b:87", 9) == 0 ||
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strncasecmp(mac_addr_half, "60:21:c0", 9) == 0 ||
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strncasecmp(mac_addr_half, "88:30:8a", 9) == 0 ||
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strncasecmp(mac_addr_half, "f0:27:65", 9) == 0 ||
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strncasecmp(mac_addr_half, "fc:c2:de", 9) == 0) {
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type = MURATA;
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}
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/* semcosh */
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if (strncasecmp(mac_addr_half, "34:23:ba", 9) == 0 ||
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strncasecmp(mac_addr_half, "38:aa:3c", 9) == 0 ||
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strncasecmp(mac_addr_half, "5c:0a:5b", 9) == 0 ||
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strncasecmp(mac_addr_half, "88:32:9b", 9) == 0 ||
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strncasecmp(mac_addr_half, "90:18:7c", 9) == 0 ||
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strncasecmp(mac_addr_half, "cc:3a:61", 9) == 0) {
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type = SEMCOSH;
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}
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/* semco3rd */
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if (strncasecmp(mac_addr_half, "f4:09:d8", 9) == 0) {
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type = SEMCO3RD;
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}
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/* semco */
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if (strncasecmp(mac_addr_half, "c0:bd:d1", 9) == 0 ||
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strncasecmp(mac_addr_half, "51:f6:6b", 9) == 0) {
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type = SEMCO;
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}
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/* wisol */
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if (strncasecmp(mac_addr_half, "48:5A:3F", 9) == 0) {
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type = WISOL;
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}
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if (type != NONE) {
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struct passwd *pwd;
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int fd;
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/* open cid file */
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cidfile = fopen(CID_PATH, "w");
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if(cidfile == 0) {
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fprintf(stderr, "open(%s) failed\n", CID_PATH);
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ALOGE("Can't open %s\n", CID_PATH);
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return -1;
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}
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switch(type) {
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case NONE:
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return -1;
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break;
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case MURATA:
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/* write murata to cid file */
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ALOGI("Writing murata to %s\n", CID_PATH);
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ret = fputs("murata", cidfile);
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break;
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case SEMCOSH:
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/* write semcosh to cid file */
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ALOGI("Writing semcosh to %s\n", CID_PATH);
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ret = fputs("semcosh", cidfile);
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break;
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case SEMCOVE:
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/* write semcove to cid file */
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ALOGI("Writing semcove to %s\n", CID_PATH);
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ret = fputs("semcove", cidfile);
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break;
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case SEMCO3RD:
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ALOGI("Writing semco3rd to %s\n", CID_PATH);
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ret = fputs("semco3rd", cidfile);
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break;
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case SEMCO:
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/* write semco to cid file */
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ALOGI("Writing semco to %s\n", CID_PATH);
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ret = fputs("semco", cidfile);
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break;
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case WISOL:
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ALOGI("Writing wisol to %s\n", CID_PATH);
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ret = fputs("wisol", cidfile);
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break;
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}
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if (ret != 0) {
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fprintf(stderr, "fputs() to file %s failed\n", CID_PATH);
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ALOGE("Can't write to %s\n", CID_PATH);
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return -1;
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}
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/* Change permissions of cid file */
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ALOGD("Change permissions of %s\n", CID_PATH);
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fd = fileno(cidfile);
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amode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
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ret = fchmod(fd, amode);
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if (ret != 0) {
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fclose(cidfile);
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ALOGE("Can't set permissions on %s - %s\n",
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CID_PATH, strerror(errno));
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return 1;
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}
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pwd = getpwnam("system");
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if (pwd == NULL) {
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fclose(cidfile);
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ALOGE("Failed to find 'system' user - %s\n",
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strerror(errno));
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return 1;
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}
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ret = fchown(fd, pwd->pw_uid, pwd->pw_gid);
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fclose(cidfile);
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if (ret != 0) {
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ALOGE("Failed to change owner of %s - %s\n",
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CID_PATH, strerror(errno));
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return 1;
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}
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} else {
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/* delete cid file if no specific type */
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ALOGD("Deleting file %s\n", CID_PATH);
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remove(CID_PATH);
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}
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fclose(file);
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return 0;
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}
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