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Add new --install-module command

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Close #2253
This commit is contained in:
topjohnwu
2020-09-26 16:50:41 -07:00
parent c91ebfbcc1
commit 6abd9aa8a4
3 changed files with 42 additions and 1 deletions
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37
native/jni/core/scripting.cpp
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@@ -92,3 +92,40 @@ void install_apk(const char *apk) {
sprintf(cmds, install_script, apk);
exec_command_sync(exec, BBEXEC_CMD, "-c", cmds);
}
[[noreturn]] static void abort(const char *msg) {
fprintf(stderr, "%s\n\n", msg);
exit(1);
}
constexpr char install_module_script[] = R"EOF(
. /data/adb/magisk/util_functions.sh
install_module
exit 0
)EOF";
void install_module(const char *file) {
if (getuid() != 0)
abort("Run this command with root");
if (access(DATABIN, F_OK) ||
access(DATABIN "/busybox", X_OK) ||
access(DATABIN "/util_functions.sh", F_OK))
abort("Incomplete Magisk install");
if (access(file, F_OK)) {
char msg[4096];
sprintf(msg, "'%s' does not exist", file);
abort(msg);
}
setenv("OUTFD", "1", true);
setenv("ZIPFILE", file, true);
setenv("ASH_STANDALONE", "1", 1);
int fd = xopen("/dev/null", O_RDONLY);
xdup2(fd, STDERR_FILENO);
close(fd);
const char *argv[] = { BBEXEC_CMD, "-c", install_module_script };
execve(argv[0], (char **) argv, environ);
abort("Failed to execute BusyBox shell");
}