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https://github.com/topjohnwu/Magisk.git
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Convert indentation to spaces
The tab war is lost
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topjohnwu
@@ -10,9 +10,9 @@
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using namespace std;
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enum {
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NAMED_ACTIVITY,
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PKG_ACTIVITY,
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CONTENT_PROVIDER
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NAMED_ACTIVITY,
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PKG_ACTIVITY,
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CONTENT_PROVIDER
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};
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#define CALL_PROVIDER \
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@@ -34,179 +34,179 @@ enum {
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(to.command[0] ? to.command : to.shell[0] ? to.shell : DEFAULT_SHELL)
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class Extra {
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const char *key;
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enum {
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INT,
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BOOL,
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STRING
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} type;
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union {
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int int_val;
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bool bool_val;
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const char * str_val;
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};
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char buf[32];
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const char *key;
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enum {
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INT,
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BOOL,
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STRING
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} type;
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union {
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int int_val;
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bool bool_val;
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const char * str_val;
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};
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char buf[32];
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public:
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Extra(const char *k, int v): key(k), type(INT), int_val(v) {}
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Extra(const char *k, bool v): key(k), type(BOOL), bool_val(v) {}
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Extra(const char *k, const char *v): key(k), type(STRING), str_val(v) {}
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Extra(const char *k, int v): key(k), type(INT), int_val(v) {}
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Extra(const char *k, bool v): key(k), type(BOOL), bool_val(v) {}
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Extra(const char *k, const char *v): key(k), type(STRING), str_val(v) {}
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void add_intent(vector<const char *> &vec) {
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const char *val;
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switch (type) {
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case INT:
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vec.push_back("--ei");
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sprintf(buf, "%d", int_val);
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val = buf;
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break;
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case BOOL:
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vec.push_back("--ez");
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val = bool_val ? "true" : "false";
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break;
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case STRING:
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vec.push_back("--es");
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val = str_val;
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break;
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}
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vec.push_back(key);
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vec.push_back(val);
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}
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void add_intent(vector<const char *> &vec) {
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const char *val;
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switch (type) {
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case INT:
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vec.push_back("--ei");
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sprintf(buf, "%d", int_val);
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val = buf;
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break;
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case BOOL:
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vec.push_back("--ez");
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val = bool_val ? "true" : "false";
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break;
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case STRING:
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vec.push_back("--es");
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val = str_val;
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break;
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}
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vec.push_back(key);
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vec.push_back(val);
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}
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void add_bind(vector<const char *> &vec) {
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switch (type) {
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case INT:
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sprintf(buf, "%s:i:%d", key, int_val);
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break;
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case BOOL:
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sprintf(buf, "%s:b:%s", key, bool_val ? "true" : "false");
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break;
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case STRING:
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sprintf(buf, "%s:s:%s", key, str_val);
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break;
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}
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vec.push_back("--extra");
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vec.push_back(buf);
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}
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void add_bind(vector<const char *> &vec) {
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switch (type) {
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case INT:
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sprintf(buf, "%s:i:%d", key, int_val);
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break;
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case BOOL:
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sprintf(buf, "%s:b:%s", key, bool_val ? "true" : "false");
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break;
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case STRING:
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sprintf(buf, "%s:s:%s", key, str_val);
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break;
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}
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vec.push_back("--extra");
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vec.push_back(buf);
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}
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};
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static bool check_no_error(int fd) {
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char buf[1024];
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auto out = xopen_file(fd, "r");
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while (fgets(buf, sizeof(buf), out.get())) {
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if (strncmp(buf, "Error", 5) == 0)
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return false;
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}
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return true;
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char buf[1024];
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auto out = xopen_file(fd, "r");
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while (fgets(buf, sizeof(buf), out.get())) {
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if (strncmp(buf, "Error", 5) == 0)
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return false;
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}
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return true;
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}
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static void exec_cmd(const char *action, vector<Extra> &data,
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const shared_ptr<su_info> &info, int mode = CONTENT_PROVIDER) {
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char target[128];
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char user[4];
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sprintf(user, "%d", get_user(info));
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const shared_ptr<su_info> &info, int mode = CONTENT_PROVIDER) {
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char target[128];
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char user[4];
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sprintf(user, "%d", get_user(info));
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// First try content provider call method
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if (mode >= CONTENT_PROVIDER) {
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sprintf(target, "content://%s.provider", info->str[SU_MANAGER].data());
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vector<const char *> args{ CALL_PROVIDER };
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for (auto &e : data) {
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e.add_bind(args);
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}
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args.push_back(nullptr);
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exec_t exec {
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.err = true,
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.fd = -1,
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.pre_exec = [] { setenv("CLASSPATH", "/system/framework/content.jar", 1); },
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.argv = args.data()
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};
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exec_command_sync(exec);
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if (check_no_error(exec.fd))
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return;
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}
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// First try content provider call method
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if (mode >= CONTENT_PROVIDER) {
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sprintf(target, "content://%s.provider", info->str[SU_MANAGER].data());
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vector<const char *> args{ CALL_PROVIDER };
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for (auto &e : data) {
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e.add_bind(args);
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}
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args.push_back(nullptr);
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exec_t exec {
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.err = true,
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.fd = -1,
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.pre_exec = [] { setenv("CLASSPATH", "/system/framework/content.jar", 1); },
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.argv = args.data()
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};
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exec_command_sync(exec);
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if (check_no_error(exec.fd))
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return;
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}
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vector<const char *> args{ START_ACTIVITY };
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for (auto &e : data) {
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e.add_intent(args);
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}
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args.push_back(nullptr);
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exec_t exec {
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.err = true,
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.fd = -1,
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.pre_exec = [] { setenv("CLASSPATH", "/system/framework/am.jar", 1); },
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.argv = args.data()
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};
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vector<const char *> args{ START_ACTIVITY };
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for (auto &e : data) {
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e.add_intent(args);
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}
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args.push_back(nullptr);
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exec_t exec {
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.err = true,
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.fd = -1,
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.pre_exec = [] { setenv("CLASSPATH", "/system/framework/am.jar", 1); },
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.argv = args.data()
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};
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if (mode >= PKG_ACTIVITY) {
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// Then try start activity without component name
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strcpy(target, info->str[SU_MANAGER].data());
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exec_command_sync(exec);
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if (check_no_error(exec.fd))
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return;
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}
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if (mode >= PKG_ACTIVITY) {
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// Then try start activity without component name
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strcpy(target, info->str[SU_MANAGER].data());
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exec_command_sync(exec);
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if (check_no_error(exec.fd))
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return;
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}
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// Finally, fallback to start activity with component name
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args[4] = "-n";
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sprintf(target, "%s/a.m", info->str[SU_MANAGER].data());
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exec.fd = -2;
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exec.fork = fork_dont_care;
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exec_command(exec);
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// Finally, fallback to start activity with component name
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args[4] = "-n";
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sprintf(target, "%s/a.m", info->str[SU_MANAGER].data());
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exec.fd = -2;
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exec.fork = fork_dont_care;
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exec_command(exec);
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}
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void app_log(const su_context &ctx) {
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if (fork_dont_care() == 0) {
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vector<Extra> extras;
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extras.reserve(6);
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extras.emplace_back("from.uid", ctx.info->uid);
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extras.emplace_back("to.uid", ctx.req.uid);
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extras.emplace_back("pid", ctx.pid);
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extras.emplace_back("policy", ctx.info->access.policy);
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extras.emplace_back("command", get_cmd(ctx.req));
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extras.emplace_back("notify", (bool) ctx.info->access.notify);
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if (fork_dont_care() == 0) {
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vector<Extra> extras;
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extras.reserve(6);
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extras.emplace_back("from.uid", ctx.info->uid);
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extras.emplace_back("to.uid", ctx.req.uid);
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extras.emplace_back("pid", ctx.pid);
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extras.emplace_back("policy", ctx.info->access.policy);
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extras.emplace_back("command", get_cmd(ctx.req));
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extras.emplace_back("notify", (bool) ctx.info->access.notify);
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exec_cmd("log", extras, ctx.info);
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exit(0);
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}
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exec_cmd("log", extras, ctx.info);
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exit(0);
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}
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}
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void app_notify(const su_context &ctx) {
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if (fork_dont_care() == 0) {
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vector<Extra> extras;
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extras.reserve(2);
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extras.emplace_back("from.uid", ctx.info->uid);
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extras.emplace_back("policy", ctx.info->access.policy);
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if (fork_dont_care() == 0) {
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vector<Extra> extras;
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extras.reserve(2);
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extras.emplace_back("from.uid", ctx.info->uid);
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extras.emplace_back("policy", ctx.info->access.policy);
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exec_cmd("notify", extras, ctx.info);
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exit(0);
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}
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exec_cmd("notify", extras, ctx.info);
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exit(0);
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}
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}
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int app_request(const shared_ptr<su_info> &info) {
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// Create FIFO
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char fifo[64];
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strcpy(fifo, "/dev/socket/");
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gen_rand_str(fifo + 12, 32, true);
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mkfifo(fifo, 0600);
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chown(fifo, info->mgr_st.st_uid, info->mgr_st.st_gid);
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setfilecon(fifo, "u:object_r:" SEPOL_FILE_TYPE ":s0");
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// Create FIFO
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char fifo[64];
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strcpy(fifo, "/dev/socket/");
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gen_rand_str(fifo + 12, 32, true);
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mkfifo(fifo, 0600);
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chown(fifo, info->mgr_st.st_uid, info->mgr_st.st_gid);
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setfilecon(fifo, "u:object_r:" SEPOL_FILE_TYPE ":s0");
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// Send request
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vector<Extra> extras;
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extras.reserve(2);
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extras.emplace_back("fifo", fifo);
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extras.emplace_back("uid", info->uid);
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exec_cmd("request", extras, info, PKG_ACTIVITY);
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// Send request
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vector<Extra> extras;
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extras.reserve(2);
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extras.emplace_back("fifo", fifo);
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extras.emplace_back("uid", info->uid);
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exec_cmd("request", extras, info, PKG_ACTIVITY);
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// Wait for data input for at most 70 seconds
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int fd = xopen(fifo, O_RDONLY | O_CLOEXEC);
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struct pollfd pfd = {
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.fd = fd,
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.events = POLL_IN
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};
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if (xpoll(&pfd, 1, 70 * 1000) <= 0) {
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close(fd);
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fd = -1;
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}
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// Wait for data input for at most 70 seconds
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int fd = xopen(fifo, O_RDONLY | O_CLOEXEC);
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struct pollfd pfd = {
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.fd = fd,
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.events = POLL_IN
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};
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if (xpoll(&pfd, 1, 70 * 1000) <= 0) {
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close(fd);
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fd = -1;
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}
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unlink(fifo);
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return fd;
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unlink(fifo);
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return fd;
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}
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