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Extract functions

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topjohnwu 2017-08-11 11:43:45 +08:00
parent 8d431b6762
commit 2a7e2c70b5
3 changed files with 44 additions and 43 deletions
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78
jni/daemon/bootstages.c
View File

@ -24,6 +24,7 @@
static char *buf, *buf2;
static struct vector module_list;
static int seperate_vendor = 0;
#ifdef MAGISK_DEBUG
static int debug_log_pid, debug_log_fd;
@ -363,6 +364,48 @@ static void simple_mount(const char *path) {
closedir(dir);
}
/*****************
* Miscellaneous *
*****************/
static void mount_mirrors() {
LOGI("* Mounting mirrors");
struct vector mounts;
vec_init(&mounts);
file_to_vector("/proc/mounts", &mounts);
char *line;
vec_for_each(&mounts, line) {
if (strstr(line, " /system ")) {
sscanf(line, "%s", buf);
xmkdir_p(MIRRDIR "/system", 0755);
xmount(buf, MIRRDIR "/system", "ext4", MS_RDONLY, NULL);
LOGI("mount: %s -> %s\n", buf, MIRRDIR "/system");
continue;
}
if (strstr(line, " /vendor ")) {
seperate_vendor = 1;
sscanf(line, "%s", buf);
xmkdir_p(MIRRDIR "/vendor", 0755);
xmount(buf, MIRRDIR "/vendor", "ext4", MS_RDONLY, NULL);
LOGI("mount: %s -> %s\n", buf, MIRRDIR "/vendor");
continue;
}
}
vec_deep_destroy(&mounts);
if (!seperate_vendor) {
symlink(MIRRDIR "/system/vendor", MIRRDIR "/vendor");
LOGI("link: %s -> %s\n", MIRRDIR "/system/vendor", MIRRDIR "/vendor");
}
}
static void link_busybox() {
mkdir_p(BBPATH, 0755);
char *const command[] = { "busybox", "--install", "-s", BBPATH, NULL};
int pid = run_command(0, NULL, NULL, BBBIN, command);
if (pid != -1)
waitpid(pid, NULL, 0);
}
/****************
* Entry points *
****************/
@ -454,6 +497,7 @@ void post_fs_data(int client) {
}
// Link busybox
mount_mirrors();
link_busybox();
// uninstaller
@ -568,40 +612,6 @@ void post_fs_data(int client) {
free(magiskloop);
if (has_modules) {
// Mount mirrors
LOGI("* Mounting system/vendor mirrors");
int seperate_vendor = 0;
struct vector mounts;
vec_init(&mounts);
file_to_vector("/proc/mounts", &mounts);
char *line;
vec_for_each(&mounts, line) {
if (strstr(line, " /system ")) {
sscanf(line, "%s", buf);
snprintf(buf2, PATH_MAX, "%s/system", MIRRDIR);
xmkdir_p(buf2, 0755);
xmount(buf, buf2, "ext4", MS_RDONLY, NULL);
LOGI("mount: %s -> %s\n", buf, buf2);
continue;
}
if (strstr(line, " /vendor ")) {
seperate_vendor = 1;
sscanf(line, "%s", buf);
snprintf(buf2, PATH_MAX, "%s/vendor", MIRRDIR);
xmkdir_p(buf2, 0755);
xmount(buf, buf2, "ext4", MS_RDONLY, NULL);
LOGI("mount: %s -> %s\n", buf, buf2);
continue;
}
}
vec_deep_destroy(&mounts);
if (!seperate_vendor) {
snprintf(buf, PATH_MAX, "%s/system/vendor", MIRRDIR);
snprintf(buf2, PATH_MAX, "%s/vendor", MIRRDIR);
symlink(buf, buf2);
LOGI("link: %s -> %s\n", buf, buf2);
}
// Extract the vendor node out of system tree and swap with placeholder
vec_for_each(sys_root->children, child) {
if (strcmp(child->name, "vendor") == 0) {

1
jni/include/utils.h
View File

@ -93,7 +93,6 @@ void fclone_attr(const int sourcefd, const int targetfd);
void clone_attr(const char *source, const char *target);
void get_client_cred(int fd, struct ucred *cred);
int switch_mnt_ns(int pid);
void link_busybox();
// img.c

8
jni/utils/misc.c
View File

@ -409,11 +409,3 @@ int switch_mnt_ns(int pid) {
close(fd);
return ret;
}
void link_busybox() {
mkdir_p(BBPATH, 0755);
char *const command[] = { "busybox", "--install", "-s", BBPATH, NULL};
int pid = run_command(0, NULL, NULL, BBBIN, command);
if (pid != -1)
waitpid(pid, NULL, 0);
}