Separate all binaries and makefile
This commit is contained in:
topjohnwu
parent
99406f2099
commit
668601ca23
@ -1,19 +1,7 @@
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LOCAL_PATH := $(call my-dir)
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include $(CLEAR_VARS)
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LOCAL_MODULE := magiskhide
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LOCAL_MODULE_TAGS := optional
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LOCAL_SRC_FILES := magiskhide.c
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LOCAL_CFLAGS += -std=gnu11
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include $(BUILD_EXECUTABLE)
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include $(CLEAR_VARS)
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LOCAL_MODULE := bootimgtools
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LOCAL_MODULE_TAGS := optional
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LOCAL_SRC_FILES := bootimgtools/main.c bootimgtools/extract.c bootimgtools/repack.c bootimgtools/hexpatch.c
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LOCAL_CFLAGS += -std=gnu11
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include $(BUILD_EXECUTABLE)
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include jni/bootimgtools/Android.mk
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include jni/magiskhide/Android.mk
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include jni/resetprop/Android.mk
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include jni/sepolicy-inject/Android.mk
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include jni/su/Android.mk
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8
jni/bootimgtools/Android.mk
Normal file
8
jni/bootimgtools/Android.mk
Normal file
@ -0,0 +1,8 @@
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LOCAL_PATH := $(call my-dir)
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include $(CLEAR_VARS)
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LOCAL_MODULE := bootimgtools
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LOCAL_MODULE_TAGS := optional
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LOCAL_SRC_FILES := main.c extract.c repack.c hexpatch.c
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LOCAL_CFLAGS += -std=gnu11
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include $(BUILD_EXECUTABLE)
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327
jni/magiskhide.c
327
jni/magiskhide.c
@ -1,327 +0,0 @@
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#define _GNU_SOURCE
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#include <string.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sched.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <signal.h>
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#include <sys/mount.h>
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#include <sys/inotify.h>
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#include <sys/wait.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/resource.h>
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#define LOGFILE "/cache/magisk.log"
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#define HIDELIST "/magisk/.core/magiskhide/hidelist"
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#define DUMMYPATH "/dev/magisk/dummy"
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FILE *logfile;
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int i, list_size, pipefd[2];
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char **hide_list = NULL, buffer[512];
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pthread_t list_monitor;
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pthread_mutex_t mutex;
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char **file_to_str_arr(FILE *fp, int *size) {
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int allocated = 16;
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char *line = NULL, **array;
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size_t len = 0;
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ssize_t read;
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array = (char **) malloc(sizeof(char*) * allocated);
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*size = 0;
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while ((read = getline(&line, &len, fp)) != -1) {
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if (*size >= allocated) {
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// Double our allocation and re-allocate
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allocated *= 2;
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array = (char **) realloc(array, sizeof(char*) * allocated);
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}
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// Remove end newline
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if (line[read - 1] == '\n') {
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line[read - 1] = '\0';
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}
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array[*size] = line;
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line = NULL;
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++(*size);
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}
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return array;
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}
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void read_namespace(const int pid, char* target, const size_t size) {
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char path[32];
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snprintf(path, sizeof(path), "/proc/%d/ns/mnt", pid);
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ssize_t len = readlink(path, target, size);
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target[len] = '\0';
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}
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void lazy_unmount(const char* mountpoint) {
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if (umount2(mountpoint, MNT_DETACH) != -1)
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fprintf(logfile, "MagiskHide: Unmounted (%s)\n", mountpoint);
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else
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fprintf(logfile, "MagiskHide: Unmount Failed (%s)\n", mountpoint);
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}
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int hideMagisk() {
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close(pipefd[1]);
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int pid, zygote_num = 0;
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char cache_block[256], zygote_ns[2][32];
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cache_block[0] = '\0';
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// Set to the top priority
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setpriority(PRIO_PROCESS, 0, -20);
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// Get the mount namespace of zygote
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FILE *p = popen("/data/busybox/ps | grep zygote | grep -v grep", "r");
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while(fgets(buffer, sizeof(buffer), p)) {
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if (zygote_num == 2) break;
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sscanf(buffer, "%d", &pid);
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read_namespace(pid, zygote_ns[zygote_num], 32);
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++zygote_num;
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}
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pclose(p);
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for (i = 0; i < zygote_num; ++i)
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fprintf(logfile, "Zygote(%d) ns=%s ", i, zygote_ns[i]);
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fprintf(logfile, "\n");
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while(1) {
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read(pipefd[0], &pid, sizeof(pid));
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// Termination called
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if(pid == -1) break;
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int badns, fd;
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while(1) {
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badns = 0;
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read_namespace(pid, buffer, 32);
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printf("%s\n", buffer);
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for (i = 0; i < zygote_num; ++i) {
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if (strcmp(buffer, zygote_ns[i]) == 0) {
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usleep(500);
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badns = 1;
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break;
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}
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}
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if (!badns) break;
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}
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// Send pause signal ASAP
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if (kill(pid, SIGSTOP) == -1) continue;
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fprintf(logfile, "ns=%s)\n", buffer);
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snprintf(buffer, sizeof(buffer), "/proc/%d/ns/mnt", pid);
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if((fd = open(buffer, O_RDONLY)) == -1) continue; // Maybe process died..
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if(setns(fd, 0) == -1) {
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fprintf(logfile, "MagiskHide: Unable to change namespace for pid=%d\n", pid);
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continue;
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}
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close(fd);
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snprintf(buffer, sizeof(buffer), "/proc/%d/mounts", pid);
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FILE *mount_fp = fopen(buffer, "r");
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if (mount_fp == NULL) {
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fprintf(logfile, "MagiskHide: Error opening mount list!\n");
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continue;
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}
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int mount_size;
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char **mount_list = file_to_str_arr(mount_fp, &mount_size);
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// Find the cache block name if not found yet
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if (strlen(cache_block) == 0) {
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for(i = 0; i < mount_size; ++i) {
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if (strstr(mount_list[i], " /cache ")) {
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sscanf(mount_list[i], "%256s", cache_block);
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break;
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}
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}
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}
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// First unmount the dummy skeletons and the cache mounts
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for(i = mount_size - 1; i >= 0; --i) {
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if (strstr(mount_list[i], "tmpfs /system/") || strstr(mount_list[i], "tmpfs /vendor/")
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|| (strstr(mount_list[i], cache_block) && strstr(mount_list[i], "/system")) ) {
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sscanf(mount_list[i], "%*s %512s", buffer);
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lazy_unmount(buffer);
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}
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free(mount_list[i]);
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}
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free(mount_list);
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// Re-read mount infos
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fseek(mount_fp, 0, SEEK_SET);
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mount_list = file_to_str_arr(mount_fp, &mount_size);
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fclose(mount_fp);
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// Unmount loop mounts
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for(i = mount_size - 1; i >= 0; --i) {
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if (strstr(mount_list[i], "/dev/block/loop") && !strstr(mount_list[i], DUMMYPATH)) {
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sscanf(mount_list[i], "%*s %512s", buffer);
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lazy_unmount(buffer);
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}
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free(mount_list[i]);
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}
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free(mount_list);
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// Send resume signal
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kill(pid, SIGCONT);
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}
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// Should never go here
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return 1;
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}
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void update_list(const char *listpath) {
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FILE *hide_fp = fopen(listpath, "r");
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if (hide_fp == NULL) {
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fprintf(logfile, "MagiskHide: Error opening hide list\n");
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exit(1);
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}
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pthread_mutex_lock(&mutex);
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if (hide_list) {
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// Free memory
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for(i = 0; i < list_size; ++i)
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free(hide_list[i]);
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free(hide_list);
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}
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hide_list = file_to_str_arr(hide_fp, &list_size);
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pthread_mutex_unlock(&mutex);
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fclose(hide_fp);
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if (list_size) fprintf(logfile, "MagiskHide: Update process/package list:\n");
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for(i = 0; i < list_size; i++)
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fprintf(logfile, "MagiskHide: [%s]\n", hide_list[i]);
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}
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void quit_pthread(int sig) {
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// Free memory
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for(i = 0; i < list_size; ++i)
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free(hide_list[i]);
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free(hide_list);
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pthread_exit(NULL);
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}
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void *monitor_list(void *path) {
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char* listpath = (char*) path;
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signal(SIGQUIT, quit_pthread);
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int inotifyFd = -1;
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char str[512];
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while(1) {
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if (inotifyFd == -1 || read(inotifyFd, str, sizeof(str)) == -1) {
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close(inotifyFd);
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inotifyFd = inotify_init();
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if (inotifyFd == -1) {
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fprintf(logfile, "MagiskHide: Unable to watch %s\n", listpath);
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exit(1);
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}
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if (inotify_add_watch(inotifyFd, listpath, IN_MODIFY) == -1) {
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fprintf(logfile, "MagiskHide: Unable to watch %s\n", listpath);
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exit(1);
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}
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}
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update_list(listpath);
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}
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return NULL;
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}
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void terminate(int sig) {
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// Close the config list monitor
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pthread_kill(list_monitor, SIGQUIT);
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pthread_mutex_destroy(&mutex);
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// Terminate our children
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i = -1;
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write(pipefd[1], &i, sizeof(i));
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}
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void run_as_daemon() {
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switch(fork()) {
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case -1:
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exit(-1);
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case 0:
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if (setsid() < 0)
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exit(-1);
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close(STDIN_FILENO);
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close(STDOUT_FILENO);
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close(STDERR_FILENO);
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logfile = fopen(LOGFILE, "a+");
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setbuf(logfile, NULL);
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break;
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default:
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exit(0);
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}
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}
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int main(int argc, char **argv, char **envp) {
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run_as_daemon();
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// Handle all killing signals
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signal(SIGINT, terminate);
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signal(SIGKILL, terminate);
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signal(SIGTERM, terminate);
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// Fork a child to handle namespace switches and unmounts
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pipe(pipefd);
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switch(fork()) {
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case -1:
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exit(-1);
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case 0:
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return hideMagisk();
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default:
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break;
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}
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close(pipefd[0]);
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// Start a thread to constantly check the hide list
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pthread_mutex_init(&mutex, NULL);
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pthread_create(&list_monitor, NULL, monitor_list, HIDELIST);
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// Monitor am_proc_start in main thread
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FILE *p = popen("while true; do logcat -b events -v raw -s am_proc_start; sleep 1; done", "r");
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while(!feof(p)) {
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//Format of am_proc_start is (as of Android 5.1 and 6.0)
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//UserID, pid, unix uid, processName, hostingType, hostingName
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fgets(buffer, sizeof(buffer), p);
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char *pos = buffer;
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while(1) {
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pos = strchr(pos, ',');
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if(pos == NULL)
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break;
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pos[0] = ' ';
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}
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int pid;
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char processName[256];
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int ret = sscanf(buffer, "[%*d %d %*d %256s", &pid, processName);
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if(ret != 2)
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continue;
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for (i = 0; i < list_size; ++i) {
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if(strcmp(processName, hide_list[i]) == 0) {
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// Check PID exist
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if (kill(pid, 0) == -1) continue;
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fprintf(logfile, "MagiskHide: %s(PID=%d ", processName, pid);
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write(pipefd[1], &pid, sizeof(pid));
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}
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}
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}
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// Close the logcat monitor
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pclose(p);
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terminate(0);
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fprintf(logfile, "MagiskHide: Cannot read from logcat, abort...\n");
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fclose(logfile);
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return 1;
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}
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8
jni/magiskhide/Android.mk
Normal file
8
jni/magiskhide/Android.mk
Normal file
@ -0,0 +1,8 @@
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LOCAL_PATH := $(call my-dir)
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include $(CLEAR_VARS)
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LOCAL_MODULE := magiskhide
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LOCAL_MODULE_TAGS := optional
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LOCAL_SRC_FILES := main.c hide.c list_monitor.c proc_monitor.c util.c
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LOCAL_CFLAGS += -std=gnu11
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include $(BUILD_EXECUTABLE)
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112
jni/magiskhide/hide.c
Normal file
112
jni/magiskhide/hide.c
Normal file
@ -0,0 +1,112 @@
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#include "magiskhide.h"
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int hideMagisk() {
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close(pipefd[1]);
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int pid, zygote_num = 0;
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char cache_block[256], zygote_ns[2][32];
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cache_block[0] = '\0';
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// Set to the top priority
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setpriority(PRIO_PROCESS, 0, -20);
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// Get the mount namespace of zygote
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FILE *p = popen("/data/busybox/ps | grep zygote | grep -v grep", "r");
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while(fgets(buffer, sizeof(buffer), p)) {
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if (zygote_num == 2) break;
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sscanf(buffer, "%d", &pid);
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read_namespace(pid, zygote_ns[zygote_num], 32);
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++zygote_num;
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}
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pclose(p);
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for (i = 0; i < zygote_num; ++i)
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fprintf(logfile, "Zygote(%d) ns=%s ", i, zygote_ns[i]);
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fprintf(logfile, "\n");
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while(1) {
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read(pipefd[0], &pid, sizeof(pid));
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// Termination called
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if(pid == -1) break;
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int badns, fd;
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while(1) {
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badns = 0;
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read_namespace(pid, buffer, 32);
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printf("%s\n", buffer);
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for (i = 0; i < zygote_num; ++i) {
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if (strcmp(buffer, zygote_ns[i]) == 0) {
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usleep(500);
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badns = 1;
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break;
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}
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}
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if (!badns) break;
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}
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// Send pause signal ASAP
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if (kill(pid, SIGSTOP) == -1) continue;
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fprintf(logfile, "ns=%s)\n", buffer);
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snprintf(buffer, sizeof(buffer), "/proc/%d/ns/mnt", pid);
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if((fd = open(buffer, O_RDONLY)) == -1) continue; // Maybe process died..
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if(setns(fd, 0) == -1) {
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fprintf(logfile, "MagiskHide: Unable to change namespace for pid=%d\n", pid);
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continue;
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}
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close(fd);
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snprintf(buffer, sizeof(buffer), "/proc/%d/mounts", pid);
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FILE *mount_fp = fopen(buffer, "r");
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if (mount_fp == NULL) {
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fprintf(logfile, "MagiskHide: Error opening mount list!\n");
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continue;
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}
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int mount_size;
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char **mount_list = file_to_str_arr(mount_fp, &mount_size);
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// Find the cache block name if not found yet
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if (strlen(cache_block) == 0) {
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for(i = 0; i < mount_size; ++i) {
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if (strstr(mount_list[i], " /cache ")) {
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sscanf(mount_list[i], "%256s", cache_block);
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break;
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}
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}
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}
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// First unmount the dummy skeletons and the cache mounts
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for(i = mount_size - 1; i >= 0; --i) {
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if (strstr(mount_list[i], "tmpfs /system/") || strstr(mount_list[i], "tmpfs /vendor/")
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|| (strstr(mount_list[i], cache_block) && strstr(mount_list[i], "/system")) ) {
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sscanf(mount_list[i], "%*s %512s", buffer);
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lazy_unmount(buffer);
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}
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free(mount_list[i]);
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}
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free(mount_list);
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// Re-read mount infos
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fseek(mount_fp, 0, SEEK_SET);
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mount_list = file_to_str_arr(mount_fp, &mount_size);
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fclose(mount_fp);
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// Unmount loop mounts
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for(i = mount_size - 1; i >= 0; --i) {
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if (strstr(mount_list[i], "/dev/block/loop") && !strstr(mount_list[i], DUMMYPATH)) {
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sscanf(mount_list[i], "%*s %512s", buffer);
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lazy_unmount(buffer);
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}
|
||||
free(mount_list[i]);
|
||||
}
|
||||
free(mount_list);
|
||||
|
||||
// Send resume signal
|
||||
kill(pid, SIGCONT);
|
||||
}
|
||||
|
||||
// Should never go here
|
||||
return 1;
|
||||
}
|
||||
56
jni/magiskhide/list_monitor.c
Normal file
56
jni/magiskhide/list_monitor.c
Normal file
@ -0,0 +1,56 @@
|
||||
#include "magiskhide.h"
|
||||
|
||||
void *monitor_list(void *path) {
|
||||
char* listpath = (char*) path;
|
||||
signal(SIGQUIT, quit_pthread);
|
||||
|
||||
int inotifyFd = -1;
|
||||
char str[512];
|
||||
|
||||
while(1) {
|
||||
if (inotifyFd == -1 || read(inotifyFd, str, sizeof(str)) == -1) {
|
||||
close(inotifyFd);
|
||||
inotifyFd = inotify_init();
|
||||
if (inotifyFd == -1) {
|
||||
fprintf(logfile, "MagiskHide: Unable to watch %s\n", listpath);
|
||||
exit(1);
|
||||
}
|
||||
if (inotify_add_watch(inotifyFd, listpath, IN_MODIFY) == -1) {
|
||||
fprintf(logfile, "MagiskHide: Unable to watch %s\n", listpath);
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
update_list(listpath);
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void update_list(const char *listpath) {
|
||||
FILE *hide_fp = fopen(listpath, "r");
|
||||
if (hide_fp == NULL) {
|
||||
fprintf(logfile, "MagiskHide: Error opening hide list\n");
|
||||
exit(1);
|
||||
}
|
||||
pthread_mutex_lock(&mutex);
|
||||
if (hide_list) {
|
||||
// Free memory
|
||||
for(i = 0; i < list_size; ++i)
|
||||
free(hide_list[i]);
|
||||
free(hide_list);
|
||||
}
|
||||
hide_list = file_to_str_arr(hide_fp, &list_size);
|
||||
pthread_mutex_unlock(&mutex);
|
||||
fclose(hide_fp);
|
||||
if (list_size) fprintf(logfile, "MagiskHide: Update process/package list:\n");
|
||||
for(i = 0; i < list_size; i++)
|
||||
fprintf(logfile, "MagiskHide: [%s]\n", hide_list[i]);
|
||||
}
|
||||
|
||||
void quit_pthread(int sig) {
|
||||
// Free memory
|
||||
for(i = 0; i < list_size; ++i)
|
||||
free(hide_list[i]);
|
||||
free(hide_list);
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
49
jni/magiskhide/magiskhide.h
Normal file
49
jni/magiskhide/magiskhide.h
Normal file
@ -0,0 +1,49 @@
|
||||
#ifndef MAGISK_HIDE_H
|
||||
#define MAGISK_HIDE_H
|
||||
|
||||
#define _GNU_SOURCE
|
||||
#include <string.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <sched.h>
|
||||
#include <pthread.h>
|
||||
#include <unistd.h>
|
||||
#include <signal.h>
|
||||
|
||||
#include <sys/mount.h>
|
||||
#include <sys/inotify.h>
|
||||
#include <sys/wait.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/resource.h>
|
||||
|
||||
#define LOGFILE "/cache/magisk.log"
|
||||
#define HIDELIST "/magisk/.core/magiskhide/hidelist"
|
||||
#define DUMMYPATH "/dev/magisk/dummy"
|
||||
|
||||
// Main thread
|
||||
void monitor_proc();
|
||||
|
||||
// Forked process for namespace setting
|
||||
int hideMagisk();
|
||||
|
||||
// List monitor thread
|
||||
void update_list(const char *listpath);
|
||||
void quit_pthread(int sig);
|
||||
void *monitor_list(void *path);
|
||||
|
||||
// Util functions
|
||||
char **file_to_str_arr(FILE *fp, int *size);
|
||||
void read_namespace(const int pid, char* target, const size_t size);
|
||||
void lazy_unmount(const char* mountpoint);
|
||||
void run_as_daemon();
|
||||
|
||||
// Global variable sharing through process/threads
|
||||
extern FILE *logfile;
|
||||
extern int i, list_size, pipefd[2];
|
||||
extern char **hide_list, buffer[512];
|
||||
extern pthread_t list_monitor;
|
||||
extern pthread_mutex_t mutex;
|
||||
|
||||
#endif
|
||||
52
jni/magiskhide/main.c
Normal file
52
jni/magiskhide/main.c
Normal file
@ -0,0 +1,52 @@
|
||||
#include "magiskhide.h"
|
||||
|
||||
FILE *logfile;
|
||||
int i, list_size, pipefd[2];
|
||||
char **hide_list = NULL, buffer[512];
|
||||
pthread_t list_monitor;
|
||||
pthread_mutex_t mutex;
|
||||
|
||||
static void terminate(int sig) {
|
||||
// Close the config list monitor
|
||||
pthread_kill(list_monitor, SIGQUIT);
|
||||
pthread_mutex_destroy(&mutex);
|
||||
|
||||
// Terminate our children
|
||||
i = -1;
|
||||
write(pipefd[1], &i, sizeof(i));
|
||||
}
|
||||
|
||||
int main(int argc, char **argv, char **envp) {
|
||||
|
||||
run_as_daemon();
|
||||
|
||||
// Handle all killing signals
|
||||
signal(SIGINT, terminate);
|
||||
signal(SIGKILL, terminate);
|
||||
signal(SIGTERM, terminate);
|
||||
|
||||
// Fork a child to handle namespace switches and unmounts
|
||||
pipe(pipefd);
|
||||
switch(fork()) {
|
||||
case -1:
|
||||
exit(-1);
|
||||
case 0:
|
||||
return hideMagisk();
|
||||
default:
|
||||
break;
|
||||
}
|
||||
close(pipefd[0]);
|
||||
|
||||
// Start a thread to constantly check the hide list
|
||||
pthread_mutex_init(&mutex, NULL);
|
||||
pthread_create(&list_monitor, NULL, monitor_list, HIDELIST);
|
||||
|
||||
monitor_proc();
|
||||
|
||||
terminate(0);
|
||||
|
||||
fprintf(logfile, "MagiskHide: Cannot monitor am_proc_start, abort...\n");
|
||||
fclose(logfile);
|
||||
|
||||
return 1;
|
||||
}
|
||||
39
jni/magiskhide/proc_monitor.c
Normal file
39
jni/magiskhide/proc_monitor.c
Normal file
@ -0,0 +1,39 @@
|
||||
#include "magiskhide.h"
|
||||
|
||||
void monitor_proc() {
|
||||
// Monitor am_proc_start in main thread
|
||||
FILE *p = popen("while true; do logcat -b events -v raw -s am_proc_start; sleep 1; done", "r");
|
||||
|
||||
while(!feof(p)) {
|
||||
//Format of am_proc_start is (as of Android 5.1 and 6.0)
|
||||
//UserID, pid, unix uid, processName, hostingType, hostingName
|
||||
fgets(buffer, sizeof(buffer), p);
|
||||
|
||||
char *pos = buffer;
|
||||
while(1) {
|
||||
pos = strchr(pos, ',');
|
||||
if(pos == NULL)
|
||||
break;
|
||||
pos[0] = ' ';
|
||||
}
|
||||
|
||||
int pid;
|
||||
char processName[256];
|
||||
int ret = sscanf(buffer, "[%*d %d %*d %256s", &pid, processName);
|
||||
|
||||
if(ret != 2)
|
||||
continue;
|
||||
|
||||
for (i = 0; i < list_size; ++i) {
|
||||
if(strcmp(processName, hide_list[i]) == 0) {
|
||||
// Check PID exist
|
||||
if (kill(pid, 0) == -1) continue;
|
||||
fprintf(logfile, "MagiskHide: %s(PID=%d ", processName, pid);
|
||||
write(pipefd[1], &pid, sizeof(pid));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Close the logcat monitor
|
||||
pclose(p);
|
||||
}
|
||||
59
jni/magiskhide/util.c
Normal file
59
jni/magiskhide/util.c
Normal file
@ -0,0 +1,59 @@
|
||||
#include "magiskhide.h"
|
||||
|
||||
char **file_to_str_arr(FILE *fp, int *size) {
|
||||
int allocated = 16;
|
||||
char *line = NULL, **array;
|
||||
size_t len = 0;
|
||||
ssize_t read;
|
||||
|
||||
array = (char **) malloc(sizeof(char*) * allocated);
|
||||
|
||||
*size = 0;
|
||||
while ((read = getline(&line, &len, fp)) != -1) {
|
||||
if (*size >= allocated) {
|
||||
// Double our allocation and re-allocate
|
||||
allocated *= 2;
|
||||
array = (char **) realloc(array, sizeof(char*) * allocated);
|
||||
}
|
||||
// Remove end newline
|
||||
if (line[read - 1] == '\n') {
|
||||
line[read - 1] = '\0';
|
||||
}
|
||||
array[*size] = line;
|
||||
line = NULL;
|
||||
++(*size);
|
||||
}
|
||||
return array;
|
||||
}
|
||||
|
||||
void read_namespace(const int pid, char* target, const size_t size) {
|
||||
char path[32];
|
||||
snprintf(path, sizeof(path), "/proc/%d/ns/mnt", pid);
|
||||
ssize_t len = readlink(path, target, size);
|
||||
target[len] = '\0';
|
||||
}
|
||||
|
||||
void lazy_unmount(const char* mountpoint) {
|
||||
if (umount2(mountpoint, MNT_DETACH) != -1)
|
||||
fprintf(logfile, "MagiskHide: Unmounted (%s)\n", mountpoint);
|
||||
else
|
||||
fprintf(logfile, "MagiskHide: Unmount Failed (%s)\n", mountpoint);
|
||||
}
|
||||
|
||||
void run_as_daemon() {
|
||||
switch(fork()) {
|
||||
case -1:
|
||||
exit(-1);
|
||||
case 0:
|
||||
if (setsid() < 0)
|
||||
exit(-1);
|
||||
close(STDIN_FILENO);
|
||||
close(STDOUT_FILENO);
|
||||
close(STDERR_FILENO);
|
||||
logfile = fopen(LOGFILE, "a+");
|
||||
setbuf(logfile, NULL);
|
||||
break;
|
||||
default:
|
||||
exit(0);
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user