mirror of
https://github.com/topjohnwu/Magisk.git
synced 2024-11-30 13:35:27 +00:00
Modernize code base
This commit is contained in:
topjohnwu
parent
ca35a9681f
commit
7c12bf7fa1
@ -24,7 +24,7 @@
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#include "flags.h"
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static char buf[PATH_MAX], buf2[PATH_MAX];
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static Array<char *> module_list;
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static Array<CharArray> module_list;
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static int bind_mount(const char *from, const char *to);
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@ -44,60 +44,62 @@ static int bind_mount(const char *from, const char *to);
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class node_entry {
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public:
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node_entry(const char *, uint8_t status = 0, uint8_t type = 0);
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~node_entry();
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void create_module_tree(const char *module);
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void magic_mount();
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node_entry *extract(const char *name);
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private:
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const char *module; /* Only used when status & IS_MODULE */
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char *name;
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const CharArray name;
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uint8_t type;
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uint8_t status;
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node_entry *parent;
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Array<node_entry *> children;
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node_entry() = default;
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node_entry(const char *, const char *, uint8_t type = 0, uint8_t status = 0);
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node_entry(const char *, uint8_t type = 0, uint8_t status = 0);
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~node_entry();
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void create_module_tree(const char *module);
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void magic_mount();
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private:
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char *get_path();
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node_entry(const char *, const char *, uint8_t type);
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bool is_root();
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CharArray get_path();
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node_entry *insert(node_entry *);
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void clone_skeleton();
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int get_path(char *path);
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};
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node_entry::node_entry(const char *module, const char *name, uint8_t type, uint8_t status)
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: node_entry(name, type, status) {
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node_entry::node_entry(const char *name, uint8_t status, uint8_t type)
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: name(name), type(type), status(status), parent(nullptr) {}
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node_entry::node_entry(const char *module, const char *name, uint8_t type)
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: node_entry(name, (uint8_t) 0, type) {
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this->module = module;
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}
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node_entry::node_entry(const char *name, uint8_t type, uint8_t status)
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: type(type), status(status), parent(nullptr) {
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this->name = strdup(name);
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}
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node_entry::~node_entry() {
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free(name);
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for (auto &node : children)
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delete node;
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}
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char *node_entry::get_path() {
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bool node_entry::is_root() {
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return parent == nullptr;
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}
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CharArray node_entry::get_path() {
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get_path(buf);
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return strdup(buf);
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return buf;
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}
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int node_entry::get_path(char *path) {
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int len = 0;
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if (parent)
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len = parent->get_path(path);
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len += sprintf(path + len, "/%s", name);
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len += sprintf(path + len, "/%s", name.c_str());
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return len;
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}
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node_entry *node_entry::insert(node_entry *node) {
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node->parent = this;
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for (auto &child : children) {
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if (strcmp(child->name, node->name) == 0) {
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if (child->name == node->name) {
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if (node->status > child->status) {
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// The new node has higher precedence
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delete child;
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@ -117,18 +119,18 @@ void node_entry::create_module_tree(const char *module) {
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DIR *dir;
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struct dirent *entry;
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char *full_path = get_path();
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snprintf(buf, PATH_MAX, "%s/%s%s", MOUNTPOINT, module, full_path);
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CharArray full_path = get_path();
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snprintf(buf, PATH_MAX, "%s/%s%s", MOUNTPOINT, module, full_path.c_str());
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if (!(dir = xopendir(buf)))
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goto cleanup;
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return;
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while ((entry = xreaddir(dir))) {
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if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
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continue;
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// Create new node
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node_entry *node = new node_entry(module, entry->d_name, entry->d_type);
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snprintf(buf, PATH_MAX, "%s/%s", full_path, node->name);
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snprintf(buf, PATH_MAX, "%s/%s", full_path.c_str(), entry->d_name);
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/*
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* Clone the parent in the following condition:
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@ -139,7 +141,7 @@ void node_entry::create_module_tree(const char *module) {
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bool clone = false;
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if (IS_LNK(node) || access(buf, F_OK) == -1) {
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clone = true;
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} else if (parent != nullptr || strcmp(node->name, "vendor") != 0) {
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} else if (!is_root() || node->name != "vendor") {
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struct stat s;
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xstat(buf, &s);
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if (S_ISLNK(s.st_mode))
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@ -171,9 +173,6 @@ void node_entry::create_module_tree(const char *module) {
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}
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}
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closedir(dir);
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cleanup:
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free(full_path);
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}
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void node_entry::clone_skeleton() {
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@ -182,34 +181,29 @@ void node_entry::clone_skeleton() {
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struct node_entry *dummy;
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// Clone the structure
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char *full_path = get_path();
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snprintf(buf, PATH_MAX, "%s%s", MIRRDIR, full_path);
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CharArray full_path = get_path();
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snprintf(buf, PATH_MAX, "%s%s", MIRRDIR, full_path.c_str());
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if (!(dir = xopendir(buf)))
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goto cleanup;
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return;
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while ((entry = xreaddir(dir))) {
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if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
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continue;
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// Create dummy node
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dummy = new node_entry(entry->d_name, entry->d_type, IS_DUMMY);
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dummy = new node_entry(entry->d_name, IS_DUMMY, entry->d_type);
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insert(dummy);
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}
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closedir(dir);
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if (status & IS_SKEL) {
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struct stat s;
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char *con;
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xstat(full_path, &s);
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getfilecon(full_path, &con);
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LOGI("mnt_tmpfs : %s\n", full_path);
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file_attr attr;
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getattr(full_path, &attr);
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LOGI("mnt_tmpfs : %s\n", full_path.c_str());
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xmount("tmpfs", full_path, "tmpfs", 0, nullptr);
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chmod(full_path, s.st_mode & 0777);
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chown(full_path, s.st_uid, s.st_gid);
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setfilecon(full_path, con);
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free(con);
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setattr(full_path, &attr);
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}
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for (auto &child : children) {
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snprintf(buf, PATH_MAX, "%s/%s", full_path, child->name);
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snprintf(buf, PATH_MAX, "%s/%s", full_path.c_str(), child->name.c_str());
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// Create the dummy file/directory
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if (IS_DIR(child))
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@ -218,50 +212,47 @@ void node_entry::clone_skeleton() {
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close(creat(buf, 0644));
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// Links will be handled later
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if (child->parent->parent == nullptr && strcmp(child->name, "vendor") == 0) {
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if (IS_LNK(child)) {
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if (is_root() && child->name == "vendor") {
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if (seperate_vendor) {
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cp_afc(MIRRDIR "/system/vendor", "/system/vendor");
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LOGI("creat_link: %s <- %s\n", "/system/vendor", MIRRDIR "/system/vendor");
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LOGI("copy_link : %s <- %s\n", "/system/vendor", MIRRDIR "/system/vendor");
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}
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// Skip
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continue;
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} else if (child->status & IS_MODULE) {
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// Mount from module file to dummy file
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snprintf(buf2, PATH_MAX, "%s/%s%s/%s", MOUNTPOINT, child->module, full_path, child->name);
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snprintf(buf2, PATH_MAX, "%s/%s%s/%s", MOUNTPOINT,
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child->module, full_path.c_str(), child->name.c_str());
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} else if (child->status & (IS_SKEL | IS_INTER)) {
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// It's an intermediate folder, recursive clone
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child->clone_skeleton();
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continue;
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} else if (child->status & IS_DUMMY) {
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// Mount from mirror to dummy file
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snprintf(buf2, PATH_MAX, "%s%s/%s", MIRRDIR, full_path, child->name);
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snprintf(buf2, PATH_MAX, "%s%s/%s", MIRRDIR, full_path.c_str(), child->name.c_str());
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}
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if (IS_LNK(child)) {
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// Copy symlinks directly
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cp_afc(buf2, buf);
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#ifdef MAGISK_DEBUG
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LOGI("creat_link: %s <- %s\n",buf, buf2);
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LOGI("copy_link : %s <- %s\n",buf, buf2);
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#else
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LOGI("creat_link: %s\n", buf);
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LOGI("copy_link : %s\n", buf);
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#endif
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} else {
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snprintf(buf, PATH_MAX, "%s/%s", full_path, child->name);
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snprintf(buf, PATH_MAX, "%s/%s", full_path.c_str(), child->name.c_str());
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bind_mount(buf2, buf);
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}
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}
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cleanup:
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free(full_path);
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}
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void node_entry::magic_mount() {
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if (status & IS_MODULE) {
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// Mount module item
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char *real_path = get_path();
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snprintf(buf, PATH_MAX, "%s/%s%s", MOUNTPOINT, module, real_path);
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CharArray real_path = get_path();
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snprintf(buf, PATH_MAX, "%s/%s%s", MOUNTPOINT, module, real_path.c_str());
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bind_mount(buf, real_path);
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free(real_path);
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} else if (status & IS_SKEL) {
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// The node is labeled to be cloned with skeleton, lets do it
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clone_skeleton();
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@ -274,6 +265,21 @@ void node_entry::magic_mount() {
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// There should be no dummies, so don't need to handle it here
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}
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node_entry *node_entry::extract(const char *name) {
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node_entry *node = nullptr;
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// Extract the vendor node out of system tree and swap with placeholder
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for (auto &child : children) {
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if (child->name == name) {
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node = child;
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child = new node_entry(name);
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child->parent = node->parent;
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node->parent = nullptr;
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break;
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}
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}
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return node;
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}
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/***********
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* setenvs *
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***********/
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@ -320,7 +326,7 @@ static void exec_common_script(const char* stage) {
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}
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static void exec_module_script(const char* stage) {
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for (auto &module : module_list) {
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for (const char *module : module_list) {
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snprintf(buf2, PATH_MAX, "%s/%s/%s.sh", MOUNTPOINT, module, stage);
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snprintf(buf, PATH_MAX, "%s/%s/disable", MOUNTPOINT, module);
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if (access(buf2, F_OK) == -1 || access(buf, F_OK) == 0)
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@ -356,9 +362,9 @@ static void simple_mount(const char *path) {
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if (access(buf2, F_OK) == -1)
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continue;
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if (entry->d_type == DT_DIR) {
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char *new_path = strdup(buf2);
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char *new_path = strdup2(buf2);
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simple_mount(new_path);
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free(new_path);
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delete [] new_path;
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} else if (entry->d_type == DT_REG) {
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// Actual file path
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snprintf(buf, PATH_MAX, "%s%s", SIMPLEMOUNT, buf2);
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@ -434,7 +440,7 @@ static int prepare_img() {
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snprintf(buf, PATH_MAX, "%s/%s/disable", MOUNTPOINT, entry->d_name);
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if (access(buf, F_OK) == 0)
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continue;
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module_list.push_back(strdup(entry->d_name));
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module_list.push_back(entry->d_name);
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}
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}
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closedir(dir);
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@ -472,29 +478,22 @@ static void install_apk(const char *apk) {
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static bool check_data() {
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bool mnt = false;
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bool data = false;
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Array<char *> mounts;
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Array<CharArray> mounts;
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file_to_array("/proc/mounts", mounts);
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for (auto &line : mounts) {
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if (strstr(line, " /data ") && strstr(line, "tmpfs") == nullptr)
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if (line.contains(" /data ") && !line.contains("tmpfs"))
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mnt = true;
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free(line);
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}
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mounts.clear();
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if (mnt) {
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char *crypto = getprop("ro.crypto.state");
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if (crypto != nullptr) {
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if (strcmp(crypto, "unencrypted") == 0) {
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CharArray crypto = getprop("ro.crypto.state");
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if (!crypto.empty()) {
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if (crypto == "unencrypted") {
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// Unencrypted, we can directly access data
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data = true;
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} else {
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// Encrypted, check whether vold is started
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char *vold = getprop("init.svc.vold");
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if (vold != nullptr) {
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free(vold);
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data = true;
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}
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data = !getprop("init.svc.vold").empty();
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}
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free(crypto);
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} else {
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// ro.crypto.state is not set, assume it's unencrypted
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data = true;
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@ -513,13 +512,12 @@ static void *start_magisk_hide(void *) {
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static void auto_start_magiskhide() {
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if (!start_log_daemon())
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return;
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char *hide_prop = getprop(MAGISKHIDE_PROP, 1);
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if (hide_prop == nullptr || strcmp(hide_prop, "0") != 0) {
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CharArray hide_prop = getprop(MAGISKHIDE_PROP, true);
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if (hide_prop != "0") {
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pthread_t thread;
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xpthread_create(&thread, nullptr, start_magisk_hide, nullptr);
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pthread_detach(thread);
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}
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free(hide_prop);
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}
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void unlock_blocks() {
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@ -707,15 +705,14 @@ void startup() {
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xmkdir(BLOCKDIR, 0755);
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LOGI("* Mounting mirrors");
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Array<char *> mounts;
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Array<CharArray> mounts;
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file_to_array("/proc/mounts", mounts);
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int skip_initramfs = 0;
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// Check whether skip_initramfs device
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bool system_as_root = false;
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for (auto &line : mounts) {
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if (strstr(line, " /system_root ")) {
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if (line.contains(" /system_root ")) {
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bind_mount("/system_root/system", MIRRDIR "/system");
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skip_initramfs = 1;
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} else if (!skip_initramfs && strstr(line, " /system ")) {
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system_as_root = true;
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} else if (!system_as_root && line.contains(" /system ")) {
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sscanf(line, "%s %*s %s", buf, buf2);
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xmount(buf, MIRRDIR "/system", buf2, MS_RDONLY, nullptr);
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#ifdef MAGISK_DEBUG
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@ -723,7 +720,7 @@ void startup() {
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#else
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LOGI("mount: %s\n", MIRRDIR "/system");
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#endif
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} else if (strstr(line, " /vendor ")) {
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} else if (line.contains(" /vendor ")) {
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seperate_vendor = 1;
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sscanf(line, "%s %*s %s", buf, buf2);
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xmkdir(MIRRDIR "/vendor", 0755);
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@ -734,9 +731,7 @@ void startup() {
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LOGI("mount: %s\n", MIRRDIR "/vendor");
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#endif
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}
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free(line);
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}
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mounts.clear();
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if (!seperate_vendor) {
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xsymlink(MIRRDIR "/system/vendor", MIRRDIR "/vendor");
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#ifdef MAGISK_DEBUG
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@ -809,8 +804,7 @@ void post_fs_data(int client) {
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exec_module_script("post-fs-data");
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// Create the system root entry
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node_entry *sys_root = new node_entry("system");
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sys_root->status = IS_INTER;
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node_entry *sys_root = new node_entry("system", IS_INTER);
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// Vendor root entry
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node_entry *ven_root = nullptr;
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@ -818,7 +812,7 @@ void post_fs_data(int client) {
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bool has_modules = false;
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LOGI("* Loading modules\n");
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for (auto &module : module_list) {
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for (const char *module : module_list) {
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// Read props
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snprintf(buf, PATH_MAX, "%s/%s/system.prop", MOUNTPOINT, module);
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if (access(buf, F_OK) == 0) {
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@ -848,16 +842,8 @@ void post_fs_data(int client) {
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}
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if (has_modules) {
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// Extract the vendor node out of system tree and swap with placeholder
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for (auto &child : sys_root->children) {
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if (strcmp(child->name, "vendor") == 0) {
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ven_root = child;
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child = new node_entry("vendor", seperate_vendor ? DT_LNK : DT_DIR);
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child->parent = ven_root->parent;
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ven_root->parent = nullptr;
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break;
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}
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}
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// Pull out /system/vendor node if exist
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ven_root = sys_root->extract("vendor");
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// Magic!!
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sys_root->magic_mount();
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@ -866,7 +852,7 @@ void post_fs_data(int client) {
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// Cleanup memory
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delete sys_root;
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if (ven_root) delete ven_root;
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delete ven_root;
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core_only();
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}
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@ -922,9 +908,7 @@ core_only:
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}
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// All boot stage done, cleanup
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for (auto &module : module_list)
|
||||
free(module);
|
||||
module_list.clear();
|
||||
module_list.clear(true);
|
||||
}
|
||||
|
||||
void boot_complete(int client) {
|
||||
|
||||
@ -82,7 +82,7 @@ static void *request_handler(void *args) {
|
||||
close(client);
|
||||
break;
|
||||
}
|
||||
return NULL;
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
static void main_daemon() {
|
||||
|
||||
@ -3,9 +3,11 @@
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "CharArray.h"
|
||||
|
||||
int prop_exist(const char *name);
|
||||
int setprop(const char *name, const char *value, const bool trigger = true);
|
||||
char *getprop(const char *name, bool persist = false);
|
||||
CharArray getprop(const char *name, bool persist = false);
|
||||
void getprop(void (*callback)(const char *, const char *, void *), void *cookie, bool persist = false);
|
||||
int deleteprop(const char *name, bool persist = false);
|
||||
int load_prop_file(const char *filename, const bool trigger = true);
|
||||
|
||||
@ -40,8 +40,8 @@ cpio_entry::cpio_entry(int fd, cpio_newc_header &header) {
|
||||
// rdevminor = x8u(header.rdevminor);
|
||||
uint32_t namesize = x8u(header.namesize);
|
||||
// check = x8u(header.check);
|
||||
filename = (char *) xmalloc(namesize);
|
||||
xxread(fd, filename, namesize);
|
||||
filename = CharArray(namesize);
|
||||
xxread(fd, filename, filename.size());
|
||||
parse_align();
|
||||
if (filesize) {
|
||||
data = xmalloc(filesize);
|
||||
@ -51,7 +51,6 @@ cpio_entry::cpio_entry(int fd, cpio_newc_header &header) {
|
||||
}
|
||||
|
||||
cpio_entry::~cpio_entry() {
|
||||
free(filename);
|
||||
free(data);
|
||||
}
|
||||
|
||||
@ -61,7 +60,7 @@ int(*Array<cpio_entry*>::_cmp)(cpio_entry*&, cpio_entry*&) = [](auto a, auto b)
|
||||
if (a == b) return 0;
|
||||
if (a == nullptr) return 1;
|
||||
if (b == nullptr) return -1;
|
||||
return strcmp(a->filename, b->filename);
|
||||
return a->filename.compare(b->filename);
|
||||
};
|
||||
|
||||
|
||||
@ -73,12 +72,11 @@ cpio::cpio(const char *filename) {
|
||||
cpio_entry *entry;
|
||||
while(xxread(fd, &header, sizeof(cpio_newc_header)) != -1) {
|
||||
entry = new cpio_entry(fd, header);
|
||||
if (strcmp(entry->filename, ".") == 0 || strcmp(entry->filename, "..") == 0 ||
|
||||
strcmp(entry->filename, "TRAILER!!!") == 0) {
|
||||
if (entry->filename == "." || entry->filename == ".." || entry->filename == "TRAILER!!!") {
|
||||
bool trailer = entry->filename[0] == 'T';
|
||||
delete entry;
|
||||
if (entry->filename[0] == 'T')
|
||||
if (trailer)
|
||||
break;
|
||||
continue;
|
||||
}
|
||||
arr.push_back(entry);
|
||||
}
|
||||
@ -110,11 +108,11 @@ void cpio::dump(const char *file) {
|
||||
0, // e->devminor
|
||||
0, // e->rdevmajor
|
||||
0, // e->rdevminor
|
||||
(uint32_t) strlen(e->filename) + 1,
|
||||
(uint32_t) e->filename.size(),
|
||||
0 // e->check
|
||||
);
|
||||
xwrite(fd, header, 110);
|
||||
xwrite(fd, e->filename, strlen(e->filename) + 1);
|
||||
xwrite(fd, e->filename, e->filename.size());
|
||||
dump_align();
|
||||
if (e->filesize) {
|
||||
xwrite(fd, e->data, e->filesize);
|
||||
@ -134,7 +132,7 @@ int cpio::find(const char *name) {
|
||||
for (int i = 0; i < arr.size(); ++i) {
|
||||
if (!arr[i])
|
||||
continue;
|
||||
if (strcmp(arr[i]->filename, name) == 0)
|
||||
if (arr[i]->filename == name)
|
||||
return i;
|
||||
}
|
||||
return -1;
|
||||
@ -143,12 +141,11 @@ int cpio::find(const char *name) {
|
||||
void cpio::insert(cpio_entry *e) {
|
||||
int i = find(e->filename);
|
||||
if (i >= 0) {
|
||||
// Replace, then all is done
|
||||
delete arr[i];
|
||||
arr[i] = e;
|
||||
return;
|
||||
} else {
|
||||
arr.push_back(e);
|
||||
}
|
||||
arr.push_back(e);
|
||||
}
|
||||
|
||||
void cpio::insert(Array<cpio_entry *> &arr) {
|
||||
@ -156,17 +153,17 @@ void cpio::insert(Array<cpio_entry *> &arr) {
|
||||
insert(e);
|
||||
}
|
||||
|
||||
void cpio::rm(int recur, const char *name) {
|
||||
void cpio::rm(const char *name, bool r) {
|
||||
size_t len = strlen(name);
|
||||
for (auto &e : arr) {
|
||||
if (!e)
|
||||
continue;
|
||||
if (strncmp(e->filename, name, len) == 0 &&
|
||||
((recur && e->filename[len] == '/') || e->filename[len] == '\0')) {
|
||||
fprintf(stderr, "Remove [%s]\n", e->filename);
|
||||
if (e->filename.compare(name, len) == 0 &&
|
||||
((r && e->filename[len] == '/') || e->filename[len] == '\0')) {
|
||||
fprintf(stderr, "Remove [%s]\n", e->filename.c_str());
|
||||
delete e;
|
||||
e = nullptr;
|
||||
if (!recur)
|
||||
if (!r)
|
||||
return;
|
||||
}
|
||||
}
|
||||
@ -175,7 +172,7 @@ void cpio::rm(int recur, const char *name) {
|
||||
void cpio::makedir(mode_t mode, const char *name) {
|
||||
auto e = new cpio_entry();
|
||||
e->mode = S_IFDIR | mode;
|
||||
e->filename = strdup(name);
|
||||
e->filename = name;
|
||||
insert(e);
|
||||
fprintf(stderr, "Create directory [%s] (%04o)\n", name, mode);
|
||||
}
|
||||
@ -183,7 +180,7 @@ void cpio::makedir(mode_t mode, const char *name) {
|
||||
void cpio::ln(const char *target, const char *name) {
|
||||
auto e = new cpio_entry();
|
||||
e->mode = S_IFLNK;
|
||||
e->filename = strdup(name);
|
||||
e->filename = name;
|
||||
e->filesize = strlen(target);
|
||||
e->data = strdup(target);
|
||||
insert(e);
|
||||
@ -194,7 +191,7 @@ void cpio::add(mode_t mode, const char *name, const char *file) {
|
||||
int fd = xopen(file, O_RDONLY);
|
||||
auto e = new cpio_entry();
|
||||
e->mode = S_IFREG | mode;
|
||||
e->filename = strdup(name);
|
||||
e->filename = name;
|
||||
e->filesize = lseek(fd, 0, SEEK_END);
|
||||
lseek(fd, 0, SEEK_SET);
|
||||
e->data = xmalloc(e->filesize);
|
||||
@ -212,35 +209,38 @@ bool cpio::mv(const char *from, const char *to) {
|
||||
arr[t] = nullptr;
|
||||
}
|
||||
fprintf(stderr, "Move [%s] -> [%s]\n", from, to);
|
||||
char * tmp = strdup(to);
|
||||
free(arr[f]->filename);
|
||||
arr[f]->filename = tmp;
|
||||
arr[f]->filename = to;
|
||||
return true;
|
||||
}
|
||||
fprintf(stderr, "Cannot find entry %s\n", from);
|
||||
return false;
|
||||
}
|
||||
|
||||
static void extract_entry(cpio_entry *e, const char *file) {
|
||||
fprintf(stderr, "Extract [%s] to [%s]\n", e->filename.c_str(), file);
|
||||
unlink(file);
|
||||
rmdir(file);
|
||||
if (S_ISDIR(e->mode)) {
|
||||
mkdir(file, e->mode & 0777);
|
||||
} else if (S_ISREG(e->mode)) {
|
||||
int fd = creat(file, e->mode & 0777);
|
||||
xwrite(fd, e->data, e->filesize);
|
||||
fchown(fd, e->uid, e->gid);
|
||||
close(fd);
|
||||
} else if (S_ISLNK(e->mode)) {
|
||||
auto target = new char[e->filesize + 1];
|
||||
memcpy(target, e->data, e->filesize);
|
||||
target[e->filesize] = '\0';
|
||||
symlink(target, file);
|
||||
delete[] target;
|
||||
}
|
||||
}
|
||||
|
||||
void cpio::extract() {
|
||||
for (auto &e : arr) {
|
||||
if (!e)
|
||||
continue;
|
||||
fprintf(stderr, "Extract [%s]\n", e->filename);
|
||||
unlink(e->filename);
|
||||
rmdir(e->filename);
|
||||
if (S_ISDIR(e->mode)) {
|
||||
mkdir(e->filename, e->mode & 0777);
|
||||
} else if (S_ISREG(e->mode)) {
|
||||
int fd = creat(e->filename, e->mode & 0777);
|
||||
xwrite(fd, e->data, e->filesize);
|
||||
fchown(fd, e->uid, e->gid);
|
||||
close(fd);
|
||||
} else if (S_ISLNK(e->mode)) {
|
||||
char *target = new char[e->filesize + 1];
|
||||
memcpy(target, e->data, e->filesize);
|
||||
symlink(target, e->filename);
|
||||
delete[] target;
|
||||
}
|
||||
extract_entry(e, e->filename);
|
||||
}
|
||||
}
|
||||
|
||||
@ -248,18 +248,7 @@ bool cpio::extract(const char *name, const char *file) {
|
||||
int i = find(name);
|
||||
if (i > 0) {
|
||||
auto e = arr[i];
|
||||
fprintf(stderr, "Extract [%s] to [%s]\n", name, file);
|
||||
if (S_ISREG(e->mode)) {
|
||||
int fd = creat(file, e->mode & 0777);
|
||||
xwrite(fd, e->data, e->filesize);
|
||||
fchown(fd, e->uid, e->gid);
|
||||
close(fd);
|
||||
} else if (S_ISLNK(e->mode)) {
|
||||
char *target = new char[e->filesize + 1];
|
||||
memcpy(target, e->data, e->filesize);
|
||||
symlink(target, e->filename);
|
||||
delete[] target;
|
||||
}
|
||||
extract_entry(e, file);
|
||||
return true;
|
||||
}
|
||||
fprintf(stderr, "Cannot find the file entry [%s]\n", name);
|
||||
|
||||
@ -4,6 +4,7 @@
|
||||
#include <stdint.h>
|
||||
|
||||
#include "array.h"
|
||||
#include "CharArray.h"
|
||||
|
||||
struct cpio_newc_header {
|
||||
char magic[6];
|
||||
@ -36,7 +37,8 @@ struct cpio_entry {
|
||||
// uint32_t rdevminor;
|
||||
// uint32_t namesize;
|
||||
// uint32_t check;
|
||||
char *filename = nullptr;
|
||||
// char *filename = nullptr;
|
||||
CharArray filename;
|
||||
void *data = nullptr;
|
||||
|
||||
cpio_entry() {}
|
||||
@ -51,7 +53,7 @@ public:
|
||||
void dump(const char *file);
|
||||
int find(const char *name);
|
||||
void insert(cpio_entry *e);
|
||||
void rm(int recur, const char *name);
|
||||
void rm(const char *name, bool r = false);
|
||||
void makedir(mode_t mode, const char *name);
|
||||
void ln(const char *target, const char *name);
|
||||
void add(mode_t mode, const char *name, const char *file);
|
||||
|
||||
@ -23,10 +23,13 @@ void magisk_cpio::patch(bool keepverity, bool keepforceencrypt) {
|
||||
for (auto &e : arr) {
|
||||
if (!e)
|
||||
continue;
|
||||
bool fstab = (!keepverity || !keepforceencrypt) &&
|
||||
!e->filename.starts_with(".backup") &&
|
||||
e->filename.contains("fstab") && S_ISREG(e->mode);
|
||||
if (!keepverity) {
|
||||
if (strncmp(e->filename, ".backup", 7) && strstr(e->filename, "fstab") && S_ISREG(e->mode)) {
|
||||
if (fstab) {
|
||||
patch_verity(&e->data, &e->filesize, 1);
|
||||
} else if (strcmp(e->filename, "verity_key") == 0) {
|
||||
} else if (e->filename == "verity_key") {
|
||||
fprintf(stderr, "Remove [verity_key]\n");
|
||||
delete e;
|
||||
e = nullptr;
|
||||
@ -34,7 +37,7 @@ void magisk_cpio::patch(bool keepverity, bool keepforceencrypt) {
|
||||
}
|
||||
}
|
||||
if (!keepforceencrypt) {
|
||||
if (strstr(e->filename, "fstab") != NULL && S_ISREG(e->mode)) {
|
||||
if (fstab) {
|
||||
patch_encryption(&e->data, &e->filesize);
|
||||
}
|
||||
}
|
||||
@ -47,27 +50,26 @@ void magisk_cpio::patch(bool keepverity, bool keepforceencrypt) {
|
||||
#define UNSUPPORT_PATCH 0x2
|
||||
int magisk_cpio::test() {
|
||||
static const char *UNSUPPORT_LIST[] = { "sbin/launch_daemonsu.sh", "sbin/su", "init.xposed.rc",
|
||||
"boot/sbin/launch_daemonsu.sh", nullptr };
|
||||
"boot/sbin/launch_daemonsu.sh" };
|
||||
static const char *MAGISK_LIST[] = { ".backup/.magisk", "init.magisk.rc",
|
||||
"overlay/init.magisk.rc", nullptr };
|
||||
"overlay/init.magisk.rc" };
|
||||
|
||||
for (int i = 0; UNSUPPORT_LIST[i]; ++i)
|
||||
if (find(UNSUPPORT_LIST[i]) >= 0)
|
||||
for (auto file : UNSUPPORT_LIST)
|
||||
if (find(file) >= 0)
|
||||
return UNSUPPORT_PATCH;
|
||||
|
||||
for (int i = 0; MAGISK_LIST[i]; ++i)
|
||||
if (find(MAGISK_LIST[i]) >= 0)
|
||||
for (auto file : MAGISK_LIST)
|
||||
if (find(file) >= 0)
|
||||
return MAGISK_PATCH;
|
||||
|
||||
return STOCK_BOOT;
|
||||
}
|
||||
|
||||
char * magisk_cpio::sha1() {
|
||||
char *magisk_cpio::sha1() {
|
||||
char sha1[41];
|
||||
for (auto &e : arr) {
|
||||
if (!e) continue;
|
||||
if (strcmp(e->filename, "init.magisk.rc") == 0
|
||||
|| strcmp(e->filename, "overlay/init.magisk.rc") == 0) {
|
||||
if (e->filename == "init.magisk.rc" || e->filename == "overlay/init.magisk.rc") {
|
||||
for (char *pos = (char *) e->data; pos < (char *) e->data + e->filesize;
|
||||
pos = strchr(pos + 1, '\n') + 1) {
|
||||
if (memcmp(pos, "# STOCKSHA1=", 12) == 0) {
|
||||
@ -77,7 +79,7 @@ char * magisk_cpio::sha1() {
|
||||
return strdup(sha1);
|
||||
}
|
||||
}
|
||||
} else if (strcmp(e->filename, ".backup/.sha1") == 0) {
|
||||
} else if (e->filename == ".backup/.sha1") {
|
||||
return (char *) e->data;
|
||||
}
|
||||
}
|
||||
@ -87,12 +89,12 @@ char * magisk_cpio::sha1() {
|
||||
void magisk_cpio::restore() {
|
||||
for (auto &e : arr) {
|
||||
if (!e) continue;
|
||||
if (strncmp(e->filename, ".backup", 7) == 0) {
|
||||
if (e->filename.starts_with(".backup")) {
|
||||
if (e->filename[7] == '\0') continue;
|
||||
if (e->filename[8] == '.') {
|
||||
if (strcmp(e->filename + 8, ".rmlist") == 0) {
|
||||
if (strcmp(&e->filename[8], ".rmlist") == 0) {
|
||||
for (int pos = 0; pos < e->filesize; pos += strlen((char *) e->data + pos) + 1)
|
||||
rm(false, (char *) e->data + pos);
|
||||
rm((char *) e->data + pos, false);
|
||||
}
|
||||
} else {
|
||||
mv(e->filename, e->filename + 8);
|
||||
@ -101,43 +103,41 @@ void magisk_cpio::restore() {
|
||||
}
|
||||
|
||||
// Some known stuff we can remove
|
||||
rm(true, ".backup");
|
||||
rm(true, "overlay");
|
||||
rm(false, "sbin/magic_mask.sh");
|
||||
rm(false, "init.magisk.rc");
|
||||
rm(true, "magisk");
|
||||
rm(".backup", true);
|
||||
rm("overlay", true);
|
||||
rm("sbin/magic_mask.sh", false);
|
||||
rm("init.magisk.rc", false);
|
||||
rm("magisk", true);
|
||||
}
|
||||
|
||||
void magisk_cpio::backup(Array<cpio_entry*> &bak, const char *orig, const char *sha1) {
|
||||
cpio_entry *m, *n, *rem, *cksm;
|
||||
char buf[PATH_MAX];
|
||||
int res;
|
||||
bool backup;
|
||||
|
||||
m = new cpio_entry();
|
||||
m->filename = strdup(".backup");
|
||||
m->filename = ".backup";
|
||||
m->mode = S_IFDIR;
|
||||
bak.push_back(m);
|
||||
|
||||
rem = new cpio_entry();
|
||||
rem->filename = strdup(".backup/.rmlist");
|
||||
rem->filename = ".backup/.rmlist";
|
||||
rem->mode = S_IFREG;
|
||||
|
||||
if (sha1) {
|
||||
fprintf(stderr, "Save SHA1: [%s] -> [.backup/.sha1]\n", sha1);
|
||||
cksm = new cpio_entry();
|
||||
bak.push_back(cksm);
|
||||
cksm->filename = strdup(".backup/.sha1");
|
||||
cksm->filename = ".backup/.sha1";
|
||||
cksm->mode = S_IFREG;
|
||||
cksm->data = strdup(sha1);
|
||||
cksm->filesize = strlen(sha1) + 1;
|
||||
bak.push_back(cksm);
|
||||
}
|
||||
|
||||
magisk_cpio o = magisk_cpio(orig);
|
||||
magisk_cpio o(orig);
|
||||
|
||||
// Remove possible backups in original ramdisk
|
||||
o.rm(true, ".backup");
|
||||
rm(true, ".backup");
|
||||
o.rm(".backup", true);
|
||||
rm(".backup", true);
|
||||
|
||||
// Sort both CPIOs before comparing
|
||||
o.sort();
|
||||
@ -146,11 +146,12 @@ void magisk_cpio::backup(Array<cpio_entry*> &bak, const char *orig, const char *
|
||||
// Start comparing
|
||||
size_t i = 0, j = 0;
|
||||
while(i != o.arr.size() || j != arr.size()) {
|
||||
backup = false;
|
||||
int res;
|
||||
bool backup = false;
|
||||
if (i != o.arr.size() && j != arr.size()) {
|
||||
m = o.arr[i];
|
||||
n = arr[j];
|
||||
res = strcmp(m->filename, n->filename);
|
||||
res = m->filename.compare(n->filename);
|
||||
} else if (i == o.arr.size()) {
|
||||
n = arr[j];
|
||||
res = 1;
|
||||
@ -174,16 +175,15 @@ void magisk_cpio::backup(Array<cpio_entry*> &bak, const char *orig, const char *
|
||||
} else {
|
||||
// Something new in ramdisk, record in rem
|
||||
++j;
|
||||
rem->data = xrealloc(rem->data, rem->filesize + strlen(n->filename) + 1);
|
||||
memcpy((char *) rem->data + rem->filesize, n->filename, strlen(n->filename) + 1);
|
||||
rem->filesize += strlen(n->filename) + 1;
|
||||
fprintf(stderr, "Record new entry: [%s] -> [.backup/.rmlist]\n", n->filename);
|
||||
rem->data = xrealloc(rem->data, rem->filesize + n->filename.size());
|
||||
memcpy((char *) rem->data + rem->filesize, n->filename, n->filename.size());
|
||||
rem->filesize += n->filename.size();
|
||||
fprintf(stderr, "Record new entry: [%s] -> [.backup/.rmlist]\n", n->filename.c_str());
|
||||
}
|
||||
if (backup) {
|
||||
sprintf(buf, ".backup/%s", m->filename);
|
||||
fprintf(stderr, "[%s] -> [%s]\n", m->filename, buf);
|
||||
free(m->filename);
|
||||
m->filename = strdup(buf);
|
||||
sprintf(buf, ".backup/%s", m->filename.c_str());
|
||||
fprintf(stderr, "[%s] -> [%s]\n", m->filename.c_str(), buf);
|
||||
m->filename = buf;
|
||||
bak.push_back(m);
|
||||
// NULL the original entry, so it won't be freed
|
||||
o.arr[i - 1] = nullptr;
|
||||
@ -202,7 +202,7 @@ int cpio_commands(int argc, char *argv[]) {
|
||||
++argv;
|
||||
--argc;
|
||||
|
||||
magisk_cpio cpio = magisk_cpio(incpio);
|
||||
magisk_cpio cpio(incpio);
|
||||
|
||||
int cmdc;
|
||||
char *cmdv[6];
|
||||
@ -230,17 +230,17 @@ int cpio_commands(int argc, char *argv[]) {
|
||||
free(sha1);
|
||||
return 0;
|
||||
} else if (cmdc >= 2 && strcmp(cmdv[0], "backup") == 0) {
|
||||
auto bak = Array<cpio_entry*>();
|
||||
Array<cpio_entry*> bak;
|
||||
cpio.backup(bak, cmdv[1], cmdv[2]);
|
||||
cpio.insert(bak);
|
||||
} else if (cmdc >= 4 && strcmp(cmdv[0], "magisk") == 0) {
|
||||
cpio.patch(strcmp(cmdv[2], "true") == 0, strcmp(cmdv[3], "true") == 0);
|
||||
|
||||
auto bak = Array<cpio_entry*>();
|
||||
Array<cpio_entry*> bak;
|
||||
cpio.backup(bak, cmdv[1], cmdv[4]);
|
||||
|
||||
auto e = new cpio_entry();
|
||||
e->filename = strdup(".backup/.magisk");
|
||||
e->filename = ".backup/.magisk";
|
||||
e->mode = S_IFREG;
|
||||
e->data = xmalloc(50);
|
||||
snprintf((char *) e->data, 50, "KEEPVERITY=%s\nKEEPFORCEENCRYPT=%s\n", cmdv[2], cmdv[3]);
|
||||
@ -249,8 +249,8 @@ int cpio_commands(int argc, char *argv[]) {
|
||||
cpio.insert(bak);
|
||||
cpio.insert(e);
|
||||
} else if (cmdc >= 2 && strcmp(cmdv[0], "rm") == 0) {
|
||||
int recur = cmdc > 2 && strcmp(cmdv[1], "-r") == 0;
|
||||
cpio.rm(recur, cmdv[1 + recur]);
|
||||
bool r = cmdc > 2 && strcmp(cmdv[1], "-r") == 0;
|
||||
cpio.rm(cmdv[1 + r], r);
|
||||
} else if (cmdc == 3 && strcmp(cmdv[0], "mv") == 0) {
|
||||
cpio.mv(cmdv[1], cmdv[2]);
|
||||
} else if (cmdc == 3 && strcmp(cmdv[0], "patch") == 0) {
|
||||
|
||||
@ -15,7 +15,7 @@
|
||||
#include "daemon.h"
|
||||
#include "db.h"
|
||||
|
||||
auto hide_list = Array<char *>();
|
||||
Array<CharArray> hide_list;
|
||||
|
||||
static const char *prop_key[] =
|
||||
{ "ro.boot.vbmeta.device_state", "ro.boot.verifiedbootstate", "ro.boot.flash.locked",
|
||||
@ -46,14 +46,10 @@ void hide_sensitive_props() {
|
||||
LOGI("hide_utils: Hiding sensitive props\n");
|
||||
|
||||
// Hide all sensitive props
|
||||
char *value;
|
||||
for (int i = 0; prop_key[i]; ++i) {
|
||||
value = getprop(prop_key[i]);
|
||||
if (value) {
|
||||
if (strcmp(value, prop_value[i]) != 0)
|
||||
setprop(prop_key[i], prop_value[i], false);
|
||||
free(value);
|
||||
}
|
||||
CharArray value = getprop(prop_key[i]);
|
||||
if (!value.empty() && value != prop_value[i])
|
||||
setprop(prop_key[i], prop_value[i], false);
|
||||
}
|
||||
}
|
||||
|
||||
@ -139,13 +135,11 @@ void clean_magisk_props() {
|
||||
}, nullptr, false);
|
||||
}
|
||||
|
||||
static int add_list(sqlite3 *db, char *proc) {
|
||||
static int add_list(sqlite3 *db, const char *proc) {
|
||||
for (auto &s : hide_list) {
|
||||
// They should be unique
|
||||
if (strcmp(s, proc) == 0) {
|
||||
free(proc);
|
||||
if (s == proc)
|
||||
return HIDE_ITEM_EXIST;
|
||||
}
|
||||
}
|
||||
|
||||
LOGI("hide_list add: [%s]\n", proc);
|
||||
@ -164,7 +158,7 @@ static int add_list(sqlite3 *db, char *proc) {
|
||||
return DAEMON_SUCCESS;
|
||||
}
|
||||
|
||||
int add_list(char *proc) {
|
||||
int add_list(const char *proc) {
|
||||
sqlite3 *db = get_magiskdb();
|
||||
if (db) {
|
||||
int ret = add_list(db, proc);
|
||||
@ -175,20 +169,20 @@ int add_list(char *proc) {
|
||||
}
|
||||
|
||||
int add_list(int client) {
|
||||
return add_list(read_string(client));
|
||||
char *proc = read_string(client);
|
||||
int ret = add_list(proc);
|
||||
free(proc);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int rm_list(char *proc) {
|
||||
int ret = DAEMON_ERROR;
|
||||
|
||||
static int rm_list(const char *proc) {
|
||||
// Update list in critical region
|
||||
bool do_rm = false;
|
||||
pthread_mutex_lock(&list_lock);
|
||||
for (auto it = hide_list.begin(); it != hide_list.end(); ++it) {
|
||||
if (strcmp(*it, proc) == 0) {
|
||||
if (*it == proc) {
|
||||
do_rm = true;
|
||||
LOGI("hide_list rm: [%s]\n", proc);
|
||||
free(*it);
|
||||
hide_list.erase(it);
|
||||
break;
|
||||
}
|
||||
@ -199,45 +193,44 @@ static int rm_list(char *proc) {
|
||||
kill_process(proc);
|
||||
sqlite3 *db = get_magiskdb();
|
||||
if (db == nullptr)
|
||||
goto error;
|
||||
return DAEMON_ERROR;
|
||||
char sql[128];
|
||||
sprintf(sql, "DELETE FROM hidelist WHERE process='%s'", proc);
|
||||
sqlite3_exec(db, sql, nullptr, nullptr, nullptr);
|
||||
sqlite3_close_v2(db);
|
||||
ret = DAEMON_SUCCESS;
|
||||
return DAEMON_SUCCESS;
|
||||
} else {
|
||||
ret = HIDE_ITEM_NOT_EXIST;
|
||||
return HIDE_ITEM_NOT_EXIST;
|
||||
}
|
||||
}
|
||||
|
||||
error:
|
||||
int rm_list(int client) {
|
||||
char *proc = read_string(client);
|
||||
int ret = rm_list(proc);
|
||||
free(proc);
|
||||
return ret;
|
||||
}
|
||||
|
||||
int rm_list(int client) {
|
||||
return rm_list(read_string(client));
|
||||
}
|
||||
|
||||
#define LEGACY_LIST MOUNTPOINT "/.core/hidelist"
|
||||
|
||||
int init_list() {
|
||||
bool init_list() {
|
||||
LOGD("hide_list: initialize\n");
|
||||
|
||||
sqlite3 *db = get_magiskdb();
|
||||
if (db == nullptr)
|
||||
return 1;
|
||||
return false;
|
||||
|
||||
sqlite3_exec(db, "SELECT process FROM hidelist",
|
||||
[] (auto, auto, char **data, auto) -> int
|
||||
{
|
||||
LOGI("hide_list: [%s]\n", data[0]);
|
||||
hide_list.push_back(strdup(data[0]));
|
||||
hide_list.push_back(data[0]);
|
||||
return 0;
|
||||
}, nullptr, nullptr);
|
||||
|
||||
// Migrate old hide list into database
|
||||
if (access(LEGACY_LIST, R_OK) == 0) {
|
||||
auto tmp = Array<char *>();
|
||||
Array<CharArray> tmp;
|
||||
file_to_array(LEGACY_LIST, tmp);
|
||||
for (auto &s : tmp)
|
||||
add_list(db, s);
|
||||
@ -245,14 +238,7 @@ int init_list() {
|
||||
}
|
||||
|
||||
sqlite3_close_v2(db);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int destroy_list() {
|
||||
for (auto &str : hide_list)
|
||||
free(str);
|
||||
hide_list.clear();
|
||||
return 0;
|
||||
return true;
|
||||
}
|
||||
|
||||
void ls_list(int client) {
|
||||
|
||||
@ -54,11 +54,11 @@ int launch_magiskhide() {
|
||||
pthread_mutex_init(&list_lock, nullptr);
|
||||
|
||||
// Initialize the hide list
|
||||
if (init_list())
|
||||
if (!init_list())
|
||||
goto error;
|
||||
|
||||
// Add SafetyNet by default
|
||||
add_list(strdup("com.google.android.gms.unstable"));
|
||||
add_list("com.google.android.gms.unstable");
|
||||
|
||||
// Get thread reference
|
||||
proc_monitor_thread = pthread_self();
|
||||
|
||||
@ -5,6 +5,7 @@
|
||||
|
||||
#include "daemon.h"
|
||||
#include "array.h"
|
||||
#include "CharArray.h"
|
||||
|
||||
#define TERM_THREAD SIGUSR1
|
||||
|
||||
@ -24,13 +25,12 @@ void hide_sensitive_props();
|
||||
void clean_magisk_props();
|
||||
|
||||
// List managements
|
||||
int add_list(char *proc);
|
||||
int init_list();
|
||||
int destroy_list();
|
||||
int add_list(const char *proc);
|
||||
bool init_list();
|
||||
|
||||
extern int hide_enabled;
|
||||
extern pthread_mutex_t list_lock;
|
||||
extern Array<char *> hide_list;
|
||||
extern Array<CharArray> hide_list;
|
||||
|
||||
enum {
|
||||
LAUNCH_MAGISKHIDE,
|
||||
|
||||
@ -27,13 +27,13 @@ static int sockfd = -1;
|
||||
// Workaround for the lack of pthread_cancel
|
||||
static void term_thread(int) {
|
||||
LOGD("proc_monitor: running cleanup\n");
|
||||
destroy_list();
|
||||
hide_list.clear(true);
|
||||
hide_enabled = 0;
|
||||
close(sockfd);
|
||||
sockfd = -1;
|
||||
pthread_mutex_destroy(&list_lock);
|
||||
LOGD("proc_monitor: terminating\n");
|
||||
pthread_exit(NULL);
|
||||
pthread_exit(nullptr);
|
||||
}
|
||||
|
||||
static int read_ns(const int pid, struct stat *st) {
|
||||
@ -63,7 +63,7 @@ static void hide_daemon(int pid) {
|
||||
LOGD("hide_daemon: start unmount for pid=[%d]\n", pid);
|
||||
|
||||
char buffer[PATH_MAX];
|
||||
auto mounts = Array<char *>();
|
||||
Array<CharArray> mounts;
|
||||
|
||||
manage_selinux();
|
||||
clean_magisk_props();
|
||||
@ -76,11 +76,10 @@ static void hide_daemon(int pid) {
|
||||
|
||||
// Unmount dummy skeletons and /sbin links
|
||||
for (auto &s : mounts) {
|
||||
if (strstr(s, "tmpfs /system/") || strstr(s, "tmpfs /vendor/") || strstr(s, "tmpfs /sbin")) {
|
||||
if (s.contains("tmpfs /system/") || s.contains("tmpfs /vendor/") || s.contains("tmpfs /sbin")) {
|
||||
sscanf(s, "%*s %4096s", buffer);
|
||||
lazy_unmount(buffer);
|
||||
}
|
||||
free(s);
|
||||
}
|
||||
mounts.clear();
|
||||
|
||||
@ -90,13 +89,11 @@ static void hide_daemon(int pid) {
|
||||
|
||||
// Unmount everything under /system, /vendor, and loop mounts
|
||||
for (auto &s : mounts) {
|
||||
if (strstr(s, "/dev/block/loop") || strstr(s, " /system/") || strstr(s, " /vendor/")) {
|
||||
if (s.contains("/dev/block/loop") || s.contains(" /system/") || s.contains(" /vendor/")) {
|
||||
sscanf(s, "%*s %4096s", buffer);
|
||||
lazy_unmount(buffer);
|
||||
}
|
||||
free(s);
|
||||
}
|
||||
mounts.clear();
|
||||
|
||||
exit:
|
||||
// Send resume signal
|
||||
@ -159,7 +156,7 @@ void proc_monitor() {
|
||||
bool hide = false;
|
||||
pthread_mutex_lock(&list_lock);
|
||||
for (auto &s : hide_list) {
|
||||
if (strcmp(proc, s) == 0) {
|
||||
if (s == proc) {
|
||||
hide = true;
|
||||
break;
|
||||
}
|
||||
|
||||
@ -5,6 +5,7 @@
|
||||
#ifndef MAGISK_PROPS_H
|
||||
#define MAGISK_PROPS_H
|
||||
|
||||
#include <CharArray.h>
|
||||
#include "resetprop/private/system_properties.h"
|
||||
#include "logging.h"
|
||||
|
||||
@ -48,7 +49,7 @@ struct read_cb_t {
|
||||
|
||||
extern bool use_pb;
|
||||
|
||||
char *persist_getprop(const char *name);
|
||||
CharArray persist_getprop(const char *name);
|
||||
void persist_getprop(read_cb_t *read_cb);
|
||||
bool persist_deleteprop(const char *name);
|
||||
void collect_props(const char *name, const char *value, void *v_plist);
|
||||
|
||||
@ -190,21 +190,21 @@ void persist_getprop(read_cb_t *read_cb) {
|
||||
}
|
||||
}
|
||||
|
||||
char *persist_getprop(const char *name) {
|
||||
CharArray persist_getprop(const char *name) {
|
||||
prop_t prop(name);
|
||||
if (use_pb) {
|
||||
read_cb_t read_cb(pb_getprop_cb, &prop);
|
||||
pb_getprop(&read_cb);
|
||||
if (prop.value[0])
|
||||
return strdup(prop.value);
|
||||
return prop.value;
|
||||
} else {
|
||||
// Try to read from file
|
||||
char value[PROP_VALUE_MAX];
|
||||
file_getprop(name, value);
|
||||
if (value[0])
|
||||
return strdup(value);
|
||||
return value;
|
||||
}
|
||||
return nullptr;
|
||||
return CharArray();
|
||||
}
|
||||
|
||||
bool persist_deleteprop(const char *name) {
|
||||
|
||||
@ -130,18 +130,18 @@ int prop_exist(const char *name) {
|
||||
}
|
||||
|
||||
// Get prop by name, return string (should free manually!)
|
||||
char *getprop(const char *name, bool persist) {
|
||||
CharArray getprop(const char *name, bool persist) {
|
||||
if (!check_legal_property_name(name) || init_resetprop())
|
||||
return nullptr;
|
||||
const prop_info *pi = __system_property_find(name);
|
||||
if (pi == nullptr) {
|
||||
if (persist && strncmp(name, "persist.", 8) == 0) {
|
||||
char *value = persist_getprop(name);
|
||||
if (value)
|
||||
CharArray value = persist_getprop(name);
|
||||
if (!value.empty())
|
||||
return value;
|
||||
}
|
||||
LOGD("resetprop: prop [%s] does not exist\n", name);
|
||||
return nullptr;
|
||||
return CharArray();
|
||||
} else {
|
||||
char value[PROP_VALUE_MAX];
|
||||
read_cb_t read_cb;
|
||||
@ -149,7 +149,7 @@ char *getprop(const char *name, bool persist) {
|
||||
read_cb.arg = value;
|
||||
read_props(pi, &read_cb);
|
||||
LOGD("resetprop: getprop [%s]: [%s]\n", name, value);
|
||||
return strdup(value);
|
||||
return value;
|
||||
}
|
||||
}
|
||||
|
||||
@ -254,7 +254,8 @@ int resetprop_main(int argc, char *argv[]) {
|
||||
log_cb.d = [](auto fmt, auto ap) -> int { return verbose ? vfprintf(stderr, fmt, ap) : 0; };
|
||||
|
||||
bool trigger = true, persist = false;
|
||||
char *argv0 = argv[0], *prop;
|
||||
char *argv0 = argv[0];
|
||||
CharArray prop;
|
||||
|
||||
--argc;
|
||||
++argv;
|
||||
@ -297,10 +298,9 @@ int resetprop_main(int argc, char *argv[]) {
|
||||
print_props(persist);
|
||||
return 0;
|
||||
case 1:
|
||||
prop = getprop(argv[0], persist);
|
||||
if (prop == nullptr) return 1;
|
||||
printf("%s\n", prop);
|
||||
free(prop);
|
||||
prop = utils::move(getprop(argv[0], persist));
|
||||
if (!prop) return 1;
|
||||
printf("%s\n", prop.c_str());
|
||||
return 0;
|
||||
case 2:
|
||||
return setprop(argv[0], argv[1], trigger);
|
||||
|
||||
@ -9,6 +9,7 @@ LOCAL_SRC_FILES := \
|
||||
selinux.cpp \
|
||||
logging.cpp \
|
||||
xwrap.cpp \
|
||||
CharArray.cpp \
|
||||
vector.c
|
||||
|
||||
include $(BUILD_STATIC_LIBRARY)
|
||||
|
||||
99
native/jni/utils/CharArray.cpp
Normal file
99
native/jni/utils/CharArray.cpp
Normal file
@ -0,0 +1,99 @@
|
||||
#include "CharArray.h"
|
||||
#include "utils.h"
|
||||
|
||||
CharArray::CharArray() : _buf(nullptr), _size(0){}
|
||||
|
||||
CharArray::CharArray(const char *s) : CharArray() {
|
||||
this->operator=(s);
|
||||
}
|
||||
|
||||
CharArray::CharArray(const CharArray &s) : CharArray() {
|
||||
this->operator=(s);
|
||||
}
|
||||
|
||||
CharArray::CharArray(size_t i) {
|
||||
_size = i;
|
||||
_buf = new char[i](); /* Zero initialize */
|
||||
}
|
||||
|
||||
CharArray::~CharArray() {
|
||||
delete[] _buf;
|
||||
}
|
||||
|
||||
CharArray::operator char *() {
|
||||
return _buf;
|
||||
}
|
||||
|
||||
CharArray::operator const char *() const {
|
||||
return _buf;
|
||||
}
|
||||
|
||||
const char *CharArray::c_str() const {
|
||||
return _buf;
|
||||
}
|
||||
|
||||
size_t CharArray::length() const {
|
||||
return strlen(_buf);
|
||||
}
|
||||
|
||||
size_t CharArray::size() const {
|
||||
return _size;
|
||||
}
|
||||
|
||||
CharArray &CharArray::operator=(const CharArray &s) {
|
||||
delete[] _buf;
|
||||
_size = s._size;
|
||||
_buf = new char[_size];
|
||||
memcpy(_buf, s._buf, _size);
|
||||
return *this;
|
||||
}
|
||||
|
||||
CharArray &CharArray::operator=(const char *s) {
|
||||
delete[] _buf;
|
||||
_buf = strdup2(s, &_size);
|
||||
return *this;
|
||||
}
|
||||
|
||||
CharArray &CharArray::operator=(CharArray &&s) {
|
||||
delete[] _buf;
|
||||
_size = s._size;
|
||||
_buf = s._buf;
|
||||
s._buf = nullptr;
|
||||
s._size = 0;
|
||||
return *this;
|
||||
}
|
||||
|
||||
bool CharArray::operator==(const char *s) const {
|
||||
if (_buf == nullptr || s == nullptr)
|
||||
return false;
|
||||
return strcmp(_buf, s) == 0;
|
||||
}
|
||||
|
||||
bool CharArray::operator==(char *s) const {
|
||||
return *this == (const char *) s;
|
||||
}
|
||||
|
||||
bool CharArray::operator!=(const char *s) const {
|
||||
return !(*this == s);
|
||||
}
|
||||
|
||||
int CharArray::compare(const char *s) const {
|
||||
return strcmp(_buf, s);
|
||||
}
|
||||
|
||||
int CharArray::compare(const char *s, size_t len) const {
|
||||
return strncmp(_buf, s, len);
|
||||
}
|
||||
|
||||
bool CharArray::contains(const char *s) const {
|
||||
return strstr(_buf, s) != nullptr;
|
||||
}
|
||||
|
||||
bool CharArray::starts_with(const char *s) const {
|
||||
return compare(s, strlen(s)) == 0;
|
||||
}
|
||||
|
||||
bool CharArray::empty() const {
|
||||
return _buf == nullptr || _buf[0] == '\0';
|
||||
}
|
||||
|
||||
@ -388,7 +388,7 @@ void write_zero(int fd, size_t size) {
|
||||
lseek(fd, pos + size, SEEK_SET);
|
||||
}
|
||||
|
||||
int file_to_array(const char *filename, Array<char *> &arr) {
|
||||
int file_to_array(const char *filename, Array<CharArray> &arr) {
|
||||
if (access(filename, R_OK) != 0)
|
||||
return 1;
|
||||
char *line = nullptr;
|
||||
@ -404,8 +404,8 @@ int file_to_array(const char *filename, Array<char *> &arr) {
|
||||
if (line[read - 1] == '\n')
|
||||
line[read - 1] = '\0';
|
||||
arr.push_back(line);
|
||||
line = nullptr;
|
||||
}
|
||||
fclose(fp);
|
||||
free(line);
|
||||
return 0;
|
||||
}
|
||||
|
||||
39
native/jni/utils/include/CharArray.h
Normal file
39
native/jni/utils/include/CharArray.h
Normal file
@ -0,0 +1,39 @@
|
||||
#pragma once
|
||||
|
||||
#include <string.h>
|
||||
|
||||
/* A wrapper around char array */
|
||||
class CharArray {
|
||||
public:
|
||||
CharArray();
|
||||
CharArray(const char *s);
|
||||
CharArray(const CharArray &s);
|
||||
CharArray(size_t i);
|
||||
~CharArray();
|
||||
|
||||
CharArray &operator=(const CharArray &s);
|
||||
CharArray &operator=(CharArray &&s);
|
||||
CharArray &operator=(const char *s);
|
||||
|
||||
operator char *();
|
||||
operator const char *() const;
|
||||
bool operator==(char *s) const;
|
||||
bool operator==(const char *s) const;
|
||||
bool operator!=(const char *s) const;
|
||||
int compare(const char *s) const;
|
||||
int compare(const char *s, size_t len) const;
|
||||
bool starts_with(const char *s) const;
|
||||
bool contains(const char *s) const;
|
||||
bool empty() const;
|
||||
const char *c_str() const;
|
||||
size_t length() const;
|
||||
size_t size() const;
|
||||
|
||||
/* These 2 ops are incompatible with implicit char* conversion */
|
||||
// char &operator[](size_t i);
|
||||
// const char &operator[](size_t i) const;
|
||||
|
||||
private:
|
||||
char *_buf;
|
||||
size_t _size;
|
||||
};
|
||||
@ -1,6 +1,7 @@
|
||||
#pragma once
|
||||
|
||||
#include <stdlib.h>
|
||||
#include "cpputils.h"
|
||||
|
||||
template <class T>
|
||||
class Array {
|
||||
@ -72,7 +73,7 @@ public:
|
||||
if (_capacity) {
|
||||
_data = new T[_capacity];
|
||||
for(int i = 0; i < _size; ++i)
|
||||
_data[i] = (T&&) a[i];
|
||||
_data[i] = utils::move(a[i]);
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
@ -101,7 +102,7 @@ public:
|
||||
void push_back(T&& x) {
|
||||
if(_size == _capacity)
|
||||
expand();
|
||||
_data[_size] = (T&&) x;
|
||||
_data[_size] = utils::move(x);
|
||||
++_size;
|
||||
}
|
||||
|
||||
@ -114,7 +115,7 @@ public:
|
||||
if (_size == 0 || d < _data || d >= _data + _size)
|
||||
return false;
|
||||
for (; d < _data + _size - 1; ++d)
|
||||
*d = (T&&) *(d + 1);
|
||||
*d = utils::move(*(d + 1));
|
||||
--_size;
|
||||
return true;
|
||||
|
||||
@ -130,9 +131,16 @@ public:
|
||||
return false;
|
||||
}
|
||||
|
||||
void clear() { _size = 0; }
|
||||
void clear(bool dealloc = false) {
|
||||
_size = 0;
|
||||
if (dealloc) {
|
||||
_capacity = 0;
|
||||
delete [] _data;
|
||||
_data = nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
void sort() const {
|
||||
void sort() {
|
||||
qsort(_data, _size, sizeof(T), compare);
|
||||
}
|
||||
|
||||
@ -161,7 +169,7 @@ private:
|
||||
T* temp = _data;
|
||||
_data = new T[_capacity];
|
||||
for(int i = 0; i < _size; ++i)
|
||||
_data[i] = (T&&) temp[i];
|
||||
_data[i] = utils::move(temp[i]);
|
||||
delete [] temp;
|
||||
}
|
||||
};
|
||||
|
||||
12
native/jni/utils/include/cpputils.h
Normal file
12
native/jni/utils/include/cpputils.h
Normal file
@ -0,0 +1,12 @@
|
||||
#pragma once
|
||||
|
||||
namespace utils {
|
||||
template< class T > struct remove_reference {typedef T type;};
|
||||
template< class T > struct remove_reference<T&> {typedef T type;};
|
||||
template< class T > struct remove_reference<T&&> {typedef T type;};
|
||||
|
||||
template< class T >
|
||||
constexpr typename remove_reference<T>::type&& move( T&& t ) noexcept {
|
||||
return static_cast<typename remove_reference<T>::type&&>(t);
|
||||
}
|
||||
}
|
||||
@ -12,9 +12,15 @@
|
||||
#include <sys/stat.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
// C++ only
|
||||
|
||||
#include "array.h"
|
||||
int file_to_array(const char* filename, Array<char *> &arr);
|
||||
#include "CharArray.h"
|
||||
#include "cpputils.h"
|
||||
|
||||
int file_to_array(const char *filename, Array<CharArray> &arr);
|
||||
char *strdup2(const char *s, size_t *size = nullptr);
|
||||
|
||||
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
|
||||
@ -268,3 +268,11 @@ int exec_command(int err, int *fd, void (*cb)(void), const char *argv0, ...) {
|
||||
va_end(argv);
|
||||
return pid;
|
||||
}
|
||||
|
||||
char *strdup2(const char *s, size_t *size) {
|
||||
size_t l = strlen(s) + 1;
|
||||
char *buf = new char[l];
|
||||
memcpy(buf, s, l);
|
||||
if (size) *size = l;
|
||||
return buf;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user