You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
hardware_samsung/macloader/macloader.cpp

141 lines
4.1 KiB

/*
* Copyright (C) 2012, The CyanogenMod Project
* Daniel Hillenbrand <codeworkx@cyanogenmod.com>
* Marco Hillenbrand <marco.hillenbrand@googlemail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <cutils/log.h>
#define LOG_TAG "macloader"
#define LOG_NDEBUG 0
#define MACADDR_PATH "/efs/wifi/.mac.info"
#define CID_PATH "/data/.cid.info"
enum Type {
NONE,
MURATA,
SEMCOSH,
SEMCOVE
};
int main() {
FILE* file;
FILE* cidfile;
char* str;
char mac_addr_half[9];
int ret = -1;
int amode;
enum Type type = NONE;
/* open mac addr file */
file = fopen(MACADDR_PATH, "r");
if (file == 0) {
fprintf(stderr, "open(%s) failed\n", MACADDR_PATH);
ALOGE("Can't open %s\n", MACADDR_PATH);
return -1;
}
/* get and compare mac addr */
str = fgets(mac_addr_half, 9, file);
if (str == 0) {
fprintf(stderr, "fgets() from file %s failed\n", MACADDR_PATH);
ALOGE("Can't read from %s\n", MACADDR_PATH);
return -1;
}
/* murata */
if (strncasecmp(mac_addr_half, "00:37:6d", 9) == 0 ||
strncasecmp(mac_addr_half, "88:30:8a", 9) == 0 ||
strncasecmp(mac_addr_half, "20:02:af", 9) == 0 ||
strncasecmp(mac_addr_half, "5c:f8:a1", 9) == 0 ||
strncasecmp(mac_addr_half, "60:21:c0", 9) == 0) {
type = MURATA;
}
/* semcosh */
if (strncasecmp(mac_addr_half, "5c:0a:5b", 9) == 0) {
type = SEMCOSH;
}
if (type != NONE) {
/* open cid file */
cidfile = fopen(CID_PATH, "w");
if(cidfile == 0) {
fprintf(stderr, "open(%s) failed\n", CID_PATH);
ALOGE("Can't open %s\n", CID_PATH);
return -1;
}
switch(type) {
case NONE:
return -1;
break;
case MURATA:
/* write murata to cid file */
ALOGI("Writing murata to %s\n", CID_PATH);
ret = fputs("murata", cidfile);
break;
case SEMCOSH:
/* write semcosh to cid file */
ALOGI("Writing semcosh to %s\n", CID_PATH);
ret = fputs("semcosh", cidfile);
break;
case SEMCOVE:
/* write semcove to cid file */
ALOGI("Writing semcove to %s\n", CID_PATH);
ret = fputs("semcove", cidfile);
break;
}
if (ret != 0) {
fprintf(stderr, "fputs() to file %s failed\n", CID_PATH);
ALOGE("Can't write to %s\n", CID_PATH);
return -1;
}
fclose(cidfile);
/* set permissions on cid file */
ALOGD("Setting permissions on %s\n", CID_PATH);
amode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
ret = chmod(CID_PATH, amode);
char* chown_cmd = (char*) malloc(strlen("chown system ") + strlen(CID_PATH) + 1);
char* chgrp_cmd = (char*) malloc(strlen("chgrp system ") + strlen(CID_PATH) + 1);
sprintf(chown_cmd, "chown system %s", CID_PATH);
sprintf(chgrp_cmd, "chgrp system %s", CID_PATH);
system(chown_cmd);
system(chgrp_cmd);
if (ret != 0) {
fprintf(stderr, "chmod() on file %s failed\n", CID_PATH);
ALOGE("Can't set permissions on %s\n", CID_PATH);
return ret;
}
} else {
/* delete cid file if no specific type */
ALOGD("Deleting file %s\n", CID_PATH);
remove(CID_PATH);
}
fclose(file);
return 0;
}