mirror of
https://github.com/topjohnwu/Magisk.git
synced 2024-12-27 11:27:38 +00:00
120 lines
2.6 KiB
C++
120 lines
2.6 KiB
C++
#include <sys/types.h>
|
|
#include <sys/wait.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
|
|
#include <magisk.h>
|
|
#include <daemon.h>
|
|
#include <utils.h>
|
|
|
|
#include "su.h"
|
|
|
|
#define START_ACTIVITY \
|
|
"/system/bin/app_process", "/system/bin", "com.android.commands.am.Am", \
|
|
"start", "-n", nullptr, "--user", nullptr, "-f", "0x18000020", "-a"
|
|
|
|
// 0x18000020 = FLAG_ACTIVITY_NEW_TASK|FLAG_ACTIVITY_MULTIPLE_TASK|FLAG_INCLUDE_STOPPED_PACKAGES
|
|
|
|
static inline const char *get_command(const su_request *to) {
|
|
if (to->command[0])
|
|
return to->command;
|
|
if (to->shell[0])
|
|
return to->shell;
|
|
return DEFAULT_SHELL;
|
|
}
|
|
|
|
static inline void get_user(char *user, su_info *info) {
|
|
sprintf(user, "%d",
|
|
info->cfg[SU_MULTIUSER_MODE] == MULTIUSER_MODE_USER
|
|
? info->uid / 100000
|
|
: 0);
|
|
}
|
|
|
|
static inline void get_uid(char *uid, su_info *info) {
|
|
sprintf(uid, "%d",
|
|
info->cfg[SU_MULTIUSER_MODE] == MULTIUSER_MODE_OWNER_MANAGED
|
|
? info->uid % 100000
|
|
: info->uid);
|
|
}
|
|
|
|
static void silent_run(const char **args, su_info *info) {
|
|
char component[128];
|
|
sprintf(component, "%s/a.m", info->str[SU_MANAGER].data());
|
|
char user[8];
|
|
get_user(user, info);
|
|
|
|
/* Fill in dynamic arguments */
|
|
args[5] = component;
|
|
args[7] = user;
|
|
|
|
exec_t exec {
|
|
.pre_exec = []() -> void {
|
|
int null = xopen("/dev/null", O_WRONLY | O_CLOEXEC);
|
|
dup2(null, STDOUT_FILENO);
|
|
dup2(null, STDERR_FILENO);
|
|
setenv("CLASSPATH", "/system/framework/am.jar", 1);
|
|
},
|
|
.fork = fork_dont_care,
|
|
.argv = args
|
|
};
|
|
exec_command(exec);
|
|
}
|
|
|
|
void app_log(su_context *ctx) {
|
|
char fromUid[8];
|
|
get_uid(fromUid, ctx->info);
|
|
|
|
char toUid[8];
|
|
sprintf(toUid, "%d", ctx->req.uid);
|
|
|
|
char pid[8];
|
|
sprintf(pid, "%d", ctx->pid);
|
|
|
|
char policy[2];
|
|
sprintf(policy, "%d", ctx->info->access.policy);
|
|
|
|
const char *cmd[] = {
|
|
START_ACTIVITY, "log",
|
|
"--ei", "from.uid", fromUid,
|
|
"--ei", "to.uid", toUid,
|
|
"--ei", "pid", pid,
|
|
"--ei", "policy", policy,
|
|
"--es", "command", get_command(&ctx->req),
|
|
"--ez", "notify", ctx->info->access.notify ? "true" : "false",
|
|
nullptr
|
|
};
|
|
silent_run(cmd, ctx->info);
|
|
}
|
|
|
|
void app_notify(su_context *ctx) {
|
|
char fromUid[8];
|
|
get_uid(fromUid, ctx->info);
|
|
|
|
char policy[2];
|
|
sprintf(policy, "%d", ctx->info->access.policy);
|
|
|
|
const char *cmd[] = {
|
|
START_ACTIVITY, "notify",
|
|
"--ei", "from.uid", fromUid,
|
|
"--ei", "policy", policy,
|
|
nullptr
|
|
};
|
|
silent_run(cmd, ctx->info);
|
|
}
|
|
|
|
void app_connect(const char *socket, su_info *info) {
|
|
const char *cmd[] = {
|
|
START_ACTIVITY, "request",
|
|
"--es", "socket", socket,
|
|
nullptr
|
|
};
|
|
silent_run(cmd, info);
|
|
}
|
|
|
|
void socket_send_request(int fd, su_info *info) {
|
|
write_key_token(fd, "uid", info->uid);
|
|
write_string_be(fd, "eof");
|
|
}
|