Magisk/jni/main.c
2017-05-01 01:58:52 +08:00

120 lines
3.1 KiB
C

/* main.c - The multicall entry point
*/
#include <stdlib.h>
#include <stdio.h>
#include "utils.h"
#include "magisk.h"
#include "daemon.h"
char *argv0;
char *applet[] =
{ "su", "resetprop", "magiskpolicy", "supolicy", "sepolicy-inject", "magiskhide", NULL };
int (*applet_main[]) (int, char *[]) =
{ su_client_main, resetprop_main, magiskpolicy_main, magiskpolicy_main, magiskpolicy_main, magiskhide_main, NULL };
// Global error hander function
// Should be changed each thread/process
__thread void (*err_handler)(void);
static void usage() {
fprintf(stderr,
"Magisk v" xstr(MAGISK_VERSION) " multi-call binary\n"
"\n"
"Usage: %s [applet [arguments]...]\n"
" or: %s --install [SOURCE] <DIR> \n"
" or: %s --list\n"
" or: %s --[boot stage] start boot stage service\n"
" or: %s [options]\n"
" or: applet [arguments]...\n"
"\n"
"Supported boot stages:\n"
" post-fs, post-fs-data, service\n"
"\n"
"Options:\n"
" -c print client version\n"
" -v print daemon version\n"
" -V print daemon version code\n"
"\n"
"Supported applets:\n"
, argv0, argv0, argv0, argv0, argv0);
for (int i = 0; applet[i]; ++i) {
fprintf(stderr, i ? ", %s" : " %s", applet[i]);
}
fprintf(stderr, "\n");
exit(1);
}
int main(int argc, char *argv[]) {
argv0 = argv[0];
// Exit the whole app if error occurs by default
err_handler = exit_proc;
char * arg = strrchr(argv[0], '/');
if (arg) ++arg;
else arg = argv[0];
if (strcmp(arg, "magisk") == 0) {
if (argc < 2) usage();
if (strcmp(argv[1], "-c") == 0) {
printf("%s\n", MAGISK_VER_STR);
return 0;
} else if (strcmp(argv[1], "-v") == 0) {
int fd = connect_daemon();
write_int(fd, CHECK_VERSION);
char *v = read_string(fd);
printf("%s\n", v);
free(v);
return 0;
} else if (strcmp(argv[1], "-V") == 0) {
int fd = connect_daemon();
write_int(fd, CHECK_VERSION_CODE);
printf("%d\n", read_int(fd));
return 0;
} else if (strcmp(argv[1], "--install") == 0) {
if (argc < 3) usage();
if (argc == 3) return create_links(NULL, argv[2]);
else return create_links(argv[2], argv[3]);
} else if (strcmp(argv[1], "--list") == 0) {
for (int i = 0; applet[i]; ++i)
printf("%s\n", applet[i]);
return 0;
} else if (strcmp(argv[1], "--post-fs") == 0) {
int fd = connect_daemon();
write_int(fd, POST_FS);
return read_int(fd);
} else if (strcmp(argv[1], "--post-fs-data") == 0) {
int fd = connect_daemon();
write_int(fd, POST_FS_DATA);
return read_int(fd);
} else if (strcmp(argv[1], "--service") == 0) {
int fd = connect_daemon();
write_int(fd, LATE_START);
return read_int(fd);
} else if (strcmp(argv[1], "--test") == 0) {
// Temporary testing entry
// int fd = connect_daemon();
// write_int(fd, TEST);
// return read_int(fd);
// test();
return 0;
} else {
// It's calling applets
--argc;
++argv;
arg = argv[0];
}
}
// Applets
for (int i = 0; applet[i]; ++i) {
if (strcmp(arg, applet[i]) == 0)
return (*applet_main[i])(argc, argv);
}
fprintf(stderr, "%s: applet not found\n", arg);
return 1;
}